Mercurial > embed
changeset 4:2306f4b04790
libzip: import 1.1.2
line wrap: on
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LICENSE.libzip Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,31 @@ +Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner + +The authors can be contacted at <libzip@nih.at> + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + +3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS +OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE +GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER +IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/VERSION.libzip Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,1 @@ +1.1.2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/CMakeLists.txt Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,113 @@ +# +# CMakeLists.txt -- CMake build system for libzip +# +# Copyright (c) 2016 David Demelier <markand@malikania.fr> +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# + +# +# This CMakeLists has been modified from vanilla libzip source. +# ------------------------------------------------------------------- +# +# - coding style, +# - removed install stuff. +# + +cmake_minimum_required(VERSION 3.0) +project(libzip C) + +include(CheckFunctionExists) +include(CheckIncludeFiles) +include(CheckSymbolExists) +include(CheckTypeSize) +include(CheckCSourceRuns) +include(CheckCSourceCompiles) +include(CheckStructHasMember) + +set(PACKAGE "libzip") +set(PACKAGE_NAME ${PACKAGE}) +set(PACKAGE_VERSION_MAJOR "1") +set(PACKAGE_VERSION_MINOR "1") +set(PACKAGE_VERSION_PATCH "2") +set(VERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}.${PACKAGE_VERSION_PATCH}") +set(PACKAGE_VERSION ${VERSION}) +set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") + +check_function_exists(_close HAVE__CLOSE) +check_function_exists(_dup HAVE__DUP) +check_function_exists(_fdopen HAVE__FDOPEN) +check_function_exists(_fileno HAVE__FILENO) +check_function_exists(_open HAVE__OPEN) +check_function_exists(_setmode HAVE__SETMODE) +check_function_exists(_snprintf HAVE__SNPRINTF) +check_function_exists(_strdup HAVE__STRDUP) +check_function_exists(_stricmp HAVE__STRICMP) +check_function_exists(fileno HAVE_FILENO) +check_function_exists(fseeko HAVE_FSEEKO) +check_function_exists(ftello HAVE_FTELLO) +check_function_exists(getprogname HAVE_GETPROGNAME) +check_function_exists(open HAVE_OPEN) +check_function_exists(mkstemp HAVE_MKSTEMP) +check_function_exists(setmode HAVE_SETMODE) +check_function_exists(snprintf HAVE_SNPRINTF) +check_function_exists(strcasecmp HAVE_STRCASECMP) +check_function_exists(strdup HAVE_STRDUP) +check_function_exists(stricmp HAVE_STRICMP) + +check_include_files(fts.h HAVE_FTS_H) +check_include_files(stdbool.h HAVE_STDBOOL_H) +check_include_files(strings.h HAVE_STRINGS_H) +check_include_files(unistd.h HAVE_UNISTD_H) + +check_include_files(inttypes.h HAVE_INTTYPES_H_LIBZIP) +check_include_files(stdint.h HAVE_STDINT_H_LIBZIP) +check_include_files(sys/types.h HAVE_SYS_TYPES_H_LIBZIP) + +check_type_size(__int8 __INT8_LIBZIP) +check_type_size(int8_t INT8_T_LIBZIP) +check_type_size(uint8_t UINT8_T_LIBZIP) +check_type_size(__int16 __INT16_LIBZIP) +check_type_size(int16_t INT16_T_LIBZIP) +check_type_size(uint16_t UINT16_T_LIBZIP) +check_type_size(__int32 __INT32_LIBZIP) +check_type_size(int32_t INT32_T_LIBZIP) +check_type_size(uint32_t UINT32_T_LIBZIP) +check_type_size(__int64 __INT64_LIBZIP) +check_type_size(int64_t INT64_T_LIBZIP) +check_type_size(uint64_t UINT64_T_LIBZIP) +check_type_size("short" SHORT_LIBZIP) +check_type_size("int" INT_LIBZIP) +check_type_size("long" LONG_LIBZIP) +check_type_size("long long" LONG_LONG_LIBZIP) +check_type_size("off_t" SIZEOF_OFF_T) +check_type_size("size_t" SIZE_T_LIBZIP) +check_type_size("ssize_t" SSIZE_T_LIBZIP) + +find_package(ZLIB REQUIRED) + +if (ZLIB_VERSION_STRING VERSION_LESS "1.1.2") + message(FATAL_ERROR "-- ZLIB version too old, please install at least v1.1.2") +endif () + +add_subdirectory(lib) + +configure_file( + ${libzip_SOURCE_DIR}/cmake-config.h.in + ${libzip_BINARY_DIR}/config.h +) + +configure_file( + ${libzip_SOURCE_DIR}/cmake-zipconf.h.in + ${libzip_BINARY_DIR}/zipconf.h +)
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/cmake-config.h.in Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,68 @@ +#ifndef HAD_CONFIG_H +#define HAD_CONFIG_H +#ifndef _HAD_ZIPCONF_H +#include "zipconf.h" +#endif +/* BEGIN DEFINES */ +#cmakedefine HAVE___PROGNAME +#cmakedefine HAVE__CLOSE +#cmakedefine HAVE__DUP +#cmakedefine HAVE__FDOPEN +#cmakedefine HAVE__FILENO +#cmakedefine HAVE__OPEN +#cmakedefine HAVE__SETMODE +#cmakedefine HAVE__SNPRINTF +#cmakedefine HAVE__STRDUP +#cmakedefine HAVE__STRICMP +#cmakedefine HAVE_FILENO +#cmakedefine HAVE_FSEEKO +#cmakedefine HAVE_FTELLO +#cmakedefine HAVE_GETPROGNAME +#cmakedefine HAVE_OPEN +#cmakedefine HAVE_MKSTEMP +#cmakedefine HAVE_SETMODE +#cmakedefine HAVE_SNPRINTF +#cmakedefine HAVE_SSIZE_T_LIBZIP +#cmakedefine HAVE_STRCASECMP +#cmakedefine HAVE_STRDUP +#cmakedefine HAVE_STRICMP +#cmakedefine HAVE_STRUCT_TM_TM_ZONE +#cmakedefine HAVE_STDBOOL_H +#cmakedefine HAVE_STRINGS_H +#cmakedefine HAVE_UNISTD_H +#cmakedefine __INT8_LIBZIP ${__INT8_LIBZIP} +#cmakedefine INT8_T_LIBZIP ${INT8_T_LIBZIP} +#cmakedefine UINT8_T_LIBZIP ${UINT8_T_LIBZIP} +#cmakedefine __INT16_LIBZIP ${__INT16_LIBZIP} +#cmakedefine INT16_T_LIBZIP ${INT16_T_LIBZIP} +#cmakedefine UINT16_T_LIBZIP ${UINT16_T_LIBZIP} +#cmakedefine __INT32_LIBZIP ${__INT32_LIBZIP} +#cmakedefine INT32_T_LIBZIP ${INT32_T_LIBZIP} +#cmakedefine UINT32_T_LIBZIP ${UINT32_T_LIBZIP} +#cmakedefine __INT64_LIBZIP ${__INT64_LIBZIP} +#cmakedefine INT64_T_LIBZIP ${INT64_T_LIBZIP} +#cmakedefine UINT64_T_LIBZIP ${UINT64_T_LIBZIP} +#cmakedefine SIZEOF_OFF_T ${SIZEOF_OFF_T} +#cmakedefine SIZE_T_LIBZIP ${SIZE_T_LIBZIP} +#cmakedefine SSIZE_T_LIBZIP ${SSIZE_T_LIBZIP} +#cmakedefine HAVE_DIRENT_H +#cmakedefine HAVE_NDIR_H +#cmakedefine HAVE_SYS_DIR_H +#cmakedefine HAVE_SYS_NDIR_H +/* END DEFINES */ +#define PACKAGE "@PACKAGE@" +#define VERSION "@VERSION@" + +#ifndef HAVE_SSIZE_T_LIBZIP +# if SIZE_T_LIBZIP == INT_LIBZIP +typedef int ssize_t; +# elif SIZE_T_LIBZIP == LONG_LIBZIP +typedef long ssize_t; +# elif SIZE_T_LIBZIP == LONG_LONG_LIBZIP +typedef long long ssize_t; +# else +#error no suitable type for ssize_t found +# endif +#endif + +#endif /* HAD_CONFIG_H */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/cmake-zipconf.h.in Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,121 @@ +#ifndef _HAD_ZIPCONF_H +#define _HAD_ZIPCONF_H + +/* + zipconf.h -- platform specific include file + + This file was generated automatically by CMake + based on ../cmake-zipconf.h.in. + */ + +#cmakedefine HAVE_INTTYPES_H_LIBZIP +#cmakedefine HAVE_STDINT_H_LIBZIP +#cmakedefine HAVE_SYS_TYPES_H_LIBZIP +#cmakedefine HAVE___INT8_LIBZIP +#cmakedefine HAVE_INT8_T_LIBZIP +#cmakedefine HAVE_UINT8_T_LIBZIP +#cmakedefine HAVE___INT16_LIBZIP +#cmakedefine HAVE_INT16_T_LIBZIP +#cmakedefine HAVE_UINT16_T_LIBZIP +#cmakedefine HAVE___INT32_LIBZIP +#cmakedefine HAVE_INT32_T_LIBZIP +#cmakedefine HAVE_UINT32_T_LIBZIP +#cmakedefine HAVE___INT64_LIBZIP +#cmakedefine HAVE_INT64_T_LIBZIP +#cmakedefine HAVE_UINT64_T_LIBZIP +#cmakedefine HAVE_SSIZE_T_LIBZIP +#cmakedefine SHORT_LIBZIP ${SHORT_LIBZIP} +#cmakedefine INT_LIBZIP ${INT_LIBZIP} +#cmakedefine LONG_LIBZIP ${LONG_LIBZIP} +#cmakedefine LONG_LONG_LIBZIP ${LONG_LONG_LIBZIP} + +#if defined(HAVE_STDINT_H_LIBZIP) +#include <stdint.h> +#elif defined(HAVE_INTTYPES_H_LIBZIP) +#include <inttypes.h> +#elif defined(HAVE_SYS_TYPES_H_LIBZIP) +#include <sys/types.h> +#endif + +#if defined(HAVE_INT8_T_LIBZIP) +typedef int8_t zip_int8_t; +#elif defined(HAVE___INT8_LIBZIP) +typedef __int8 zip_int8_t; +#else +typedef signed char zip_int8_t; +#endif +#if defined(HAVE_UINT8_T_LIBZIP) +typedef uint8_t zip_uint8_t; +#elif defined(HAVE___INT8_LIBZIP) +typedef unsigned __int8 zip_uint8_t; +#else +typedef unsigned char zip_uint8_t; +#endif +#if defined(HAVE_INT16_T_LIBZIP) +typedef int16_t zip_int16_t; +#elif defined(HAVE___INT16_LIBZIP) +typedef __int16 zip_int16_t; +#elif defined(SHORT_LIBZIP) && SHORT_LIBZIP == 2 +typedef signed short zip_int16_t; +#endif +#if defined(HAVE_UINT16_T_LIBZIP) +typedef uint16_t zip_uint16_t; +#elif defined(HAVE___INT16_LIBZIP) +typedef unsigned __int16 zip_uint16_t; +#elif defined(SHORT_LIBZIP) && SHORT_LIBZIP == 2 +typedef unsigned short zip_uint16_t; +#endif +#if defined(HAVE_INT32_T_LIBZIP) +typedef int32_t zip_int32_t; +#elif defined(HAVE___INT32_LIBZIP) +typedef __int32 zip_int32_t; +#elif defined(INT_LIBZIP) && INT_LIBZIP == 4 +typedef signed int zip_int32_t; +#elif defined(LONG_LIBZIP) && LONG_LIBZIP == 4 +typedef signed long zip_int32_t; +#endif +#if defined(HAVE_UINT32_T_LIBZIP) +typedef uint32_t zip_uint32_t; +#elif defined(HAVE___INT32_LIBZIP) +typedef unsigned __int32 zip_uint32_t; +#elif defined(INT_LIBZIP) && INT_LIBZIP == 4 +typedef unsigned int zip_uint32_t; +#elif defined(LONG_LIBZIP) && LONG_LIBZIP == 4 +typedef unsigned long zip_uint32_t; +#endif +#if defined(HAVE_INT64_T_LIBZIP) +typedef int64_t zip_int64_t; +#elif defined(HAVE___INT64_LIBZIP) +typedef __int64 zip_int64_t; +#elif defined(LONG_LIBZIP) && LONG_LIBZIP == 8 +typedef signed long zip_int64_t; +#elif defined(LONG_LONG_LIBZIP) && LONG_LONG_LIBZIP == 8 +typedef signed long long zip_int64_t; +#endif +#if defined(HAVE_UINT64_T_LIBZIP) +typedef uint64_t zip_uint64_t; +#elif defined(HAVE___INT64_LIBZIP) +typedef unsigned __int64 zip_uint64_t; +#elif defined(LONG_LIBZIP) && LONG_LONG_LIBZIP == 8 +typedef unsigned long zip_uint64_t; +#elif defined(LONG_LONG_LIBZIP) && LONG_LONG_LIBZIP == 8 +typedef unsigned long long zip_uint64_t; +#endif + +#define ZIP_INT8_MIN -0x80 +#define ZIP_INT8_MAX 0x7f +#define ZIP_UINT8_MAX 0xff + +#define ZIP_INT16_MIN -0x8000 +#define ZIP_INT16_MAX 0x7fff +#define ZIP_UINT16_MAX 0xffff + +#define ZIP_INT32_MIN -0x80000000L +#define ZIP_INT32_MAX 0x7fffffffL +#define ZIP_UINT32_MAX 0xffffffffLU + +#define ZIP_INT64_MIN (-ZIP_INT64_MAX-1LL) +#define ZIP_INT64_MAX 0x7fffffffffffffffLL +#define ZIP_UINT64_MAX 0xffffffffffffffffULL + +#endif /* zipconf.h */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/config.h.in Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,229 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if you have the declaration of `tzname', and to 0 if you don't. + */ +#undef HAVE_DECL_TZNAME + +/* Define to 1 if you have the <dlfcn.h> header file. */ +#undef HAVE_DLFCN_H + +/* Define to 1 if you have the `fileno' function. */ +#undef HAVE_FILENO + +/* Define to 1 if you have the `fseeko' function. */ +#undef HAVE_FSEEKO + +/* Define to 1 if you have the `ftello' function. */ +#undef HAVE_FTELLO + +/* Define to 1 if you have the <fts.h> header file. */ +#undef HAVE_FTS_H + +/* Define to 1 if you have the `getopt' function. */ +#undef HAVE_GETOPT + +/* Define to 1 if you have the `getprogname' function. */ +#undef HAVE_GETPROGNAME + +/* Define to 1 if the system has the type `int16_t'. */ +#undef HAVE_INT16_T + +/* Define to 1 if the system has the type `int32_t'. */ +#undef HAVE_INT32_T + +/* Define to 1 if the system has the type `int64_t'. */ +#undef HAVE_INT64_T + +/* Define to 1 if the system has the type `int8_t'. */ +#undef HAVE_INT8_T + +/* Define to 1 if you have the <inttypes.h> header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the `z' library (-lz). */ +#undef HAVE_LIBZ + +/* Define to 1 if you have the <memory.h> header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the `mkstemp' function. */ +#undef HAVE_MKSTEMP + +/* Define to 1 if you have the `open' function. */ +#undef HAVE_OPEN + +/* Define to 1 if you have the `setmode' function. */ +#undef HAVE_SETMODE + +/* Define to 1 if you have the `snprintf' function. */ +#undef HAVE_SNPRINTF + +/* Define to 1 if the system has the type `ssize_t'. */ +#undef HAVE_SSIZE_T + +/* Define to 1 if you have the <stdbool.h> header file. */ +#undef HAVE_STDBOOL_H + +/* Define to 1 if you have the <stdint.h> header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the <stdlib.h> header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the `strcasecmp' function. */ +#undef HAVE_STRCASECMP + +/* Define to 1 if you have the `strdup' function. */ +#undef HAVE_STRDUP + +/* Define to 1 if you have the `stricmp' function. */ +#undef HAVE_STRICMP + +/* Define to 1 if you have the <strings.h> header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the <string.h> header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if `tm_zone' is a member of `struct tm'. */ +#undef HAVE_STRUCT_TM_TM_ZONE + +/* Define to 1 if you have the <sys/stat.h> header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the <sys/types.h> header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if your `struct tm' has `tm_zone'. Deprecated, use + `HAVE_STRUCT_TM_TM_ZONE' instead. */ +#undef HAVE_TM_ZONE + +/* Define to 1 if you don't have `tm_zone' but do have the external array + `tzname'. */ +#undef HAVE_TZNAME + +/* Define to 1 if the system has the type `uint16_t'. */ +#undef HAVE_UINT16_T + +/* Define to 1 if the system has the type `uint32_t'. */ +#undef HAVE_UINT32_T + +/* Define to 1 if the system has the type `uint64_t'. */ +#undef HAVE_UINT64_T + +/* Define to 1 if the system has the type `uint8_t'. */ +#undef HAVE_UINT8_T + +/* Define to 1 if you have the <unistd.h> header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 or 0, depending whether the compiler supports simple visibility + declarations. */ +#undef HAVE_VISIBILITY + +/* Define to 1 if you have the `_close' function. */ +#undef HAVE__CLOSE + +/* Define to 1 if you have the `_dup' function. */ +#undef HAVE__DUP + +/* Define to 1 if you have the `_fdopen' function. */ +#undef HAVE__FDOPEN + +/* Define to 1 if you have the `_fileno' function. */ +#undef HAVE__FILENO + +/* Define to 1 if you have the `_open' function. */ +#undef HAVE__OPEN + +/* Define to 1 if you have the `_setmode' function. */ +#undef HAVE__SETMODE + +/* Define to 1 if you have the `_snprintf' function. */ +#undef HAVE__SNPRINTF + +/* Define to 1 if you have the `_strdup' function. */ +#undef HAVE__STRDUP + +/* Define to 1 if you have the `_stricmp' function. */ +#undef HAVE__STRICMP + +/* Define if libc defines __progname */ +#undef HAVE___PROGNAME + +/* Define to the sub-directory in which libtool stores uninstalled libraries. + */ +#undef LT_OBJDIR + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* The size of `int', as computed by sizeof. */ +#undef SIZEOF_INT + +/* The size of `long', as computed by sizeof. */ +#undef SIZEOF_LONG + +/* The size of `long long', as computed by sizeof. */ +#undef SIZEOF_LONG_LONG + +/* The size of `off_t', as computed by sizeof. */ +#undef SIZEOF_OFF_T + +/* The size of `short', as computed by sizeof. */ +#undef SIZEOF_SHORT + +/* The size of `size_t', as computed by sizeof. */ +#undef SIZEOF_SIZE_T + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Define to 1 if your <sys/time.h> declares `struct tm'. */ +#undef TM_IN_SYS_TIME + +/* Version number of package */ +#undef VERSION + +/* Enable large inode numbers on Mac OS X 10.5. */ +#ifndef _DARWIN_USE_64_BIT_INODE +# define _DARWIN_USE_64_BIT_INODE 1 +#endif + +/* Number of bits in a file offset, on hosts where this is settable. */ +#undef _FILE_OFFSET_BITS + +/* Define for large files, on AIX-style hosts. */ +#undef _LARGE_FILES + + +#ifndef HAVE_SSIZE_T +# if SIZEOF_SIZE_T == SIZEOF_INT +typedef int ssize_t; +# elif SIZEOF_SIZE_T == SIZEOF_LONG +typedef long ssize_t; +# elif SIZEOF_SIZE_T == SIZEOF_LONG_LONG +typedef long long ssize_t; +# else +#error no suitable type for ssize_t found +# endif +#endif +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/CMakeLists.txt Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,151 @@ +# +# CMakeLists.txt -- CMake build system for libzip +# +# Copyright (c) 2016 David Demelier <markand@malikania.fr> +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# + +set( + LIBZIP_SOURCES + zip_add.c + zip_add_dir.c + zip_add_entry.c + zip_buffer.c + zip_close.c + zip_delete.c + zip_dir_add.c + zip_dirent.c + zip_discard.c + zip_entry.c + zip_err_str.c + zip_error.c + zip_error_clear.c + zip_error_get.c + zip_error_get_sys_type.c + zip_error_strerror.c + zip_error_to_str.c + zip_extra_field.c + zip_extra_field_api.c + zip_fclose.c + zip_fdopen.c + zip_file_add.c + zip_file_error_clear.c + zip_file_error_get.c + zip_file_get_comment.c + zip_file_get_external_attributes.c + zip_file_get_offset.c + zip_file_rename.c + zip_file_replace.c + zip_file_set_comment.c + zip_file_set_external_attributes.c + zip_file_set_mtime.c + zip_file_strerror.c + zip_filerange_crc.c + zip_fopen.c + zip_fopen_encrypted.c + zip_fopen_index.c + zip_fopen_index_encrypted.c + zip_fread.c + zip_get_archive_comment.c + zip_get_archive_flag.c + zip_get_compression_implementation.c + zip_get_encryption_implementation.c + zip_get_file_comment.c + zip_get_name.c + zip_get_num_entries.c + zip_get_num_files.c + zip_hash.c + zip_io_util.c + zip_memdup.c + zip_name_locate.c + zip_new.c + zip_open.c + zip_rename.c + zip_replace.c + zip_set_archive_comment.c + zip_set_archive_flag.c + zip_set_default_password.c + zip_set_file_comment.c + zip_set_file_compression.c + zip_set_name.c + zip_source_begin_write.c + zip_source_buffer.c + zip_source_call.c + zip_source_close.c + zip_source_commit_write.c + zip_source_crc.c + zip_source_deflate.c + zip_source_error.c + zip_source_filep.c + zip_source_free.c + zip_source_function.c + zip_source_is_deleted.c + zip_source_layered.c + zip_source_open.c + zip_source_pkware.c + zip_source_read.c + zip_source_remove.c + zip_source_rollback_write.c + zip_source_seek.c + zip_source_seek_write.c + zip_source_stat.c + zip_source_supports.c + zip_source_tell.c + zip_source_tell_write.c + zip_source_window.c + zip_source_write.c + zip_source_zip.c + zip_source_zip_new.c + zip_stat.c + zip_stat_index.c + zip_stat_init.c + zip_strerror.c + zip_string.c + zip_unchange.c + zip_unchange_all.c + zip_unchange_archive.c + zip_unchange_data.c + zip_utf-8.c +) + +if (WIN32) + set( + LIBZIP_OPSYS_FILES + zip_source_win32a.c + zip_source_win32handle.c + zip_source_win32utf8.c + zip_source_win32w.c + ) +else () + set(LIBZIP_OPSYS_FILES zip_source_file.c) +endif () + +check_function_exists(mkstemp HAVE_MKSTEMP) + +if (NOT HAVE_MKSTEMP) + set(LIBZIP_EXTRA_FILES mkstemp.c) +endif () + +add_library(zip STATIC ${LIBZIP_SOURCES} ${LIBZIP_EXTRA_FILES} ${LIBZIP_OPSYS_FILES}) +target_link_libraries(zip ${ZLIB_LIBRARY}) +target_compile_definitions(zip PRIVATE HAVE_CONFIG_H) +target_include_directories( + zip + PUBLIC ${ZLIB_INCLUDE_DIRS} + PRIVATE ${libzip_BINARY_DIR} +) + +if (MSVC) + target_compile_definitions(zip PUBLIC _CRT_SECURE_NO_WARNINGS) +endif ()
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/mkstemp.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,150 @@ +/* Adapted from NetBSB libc by Dieter Baron */ + +/* NetBSD: gettemp.c,v 1.13 2003/12/05 00:57:36 uebayasi Exp */ + +/* + * Copyright (c) 1987, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/types.h> +#include <sys/stat.h> + +#include <assert.h> +#include <ctype.h> +#include <errno.h> +#include <fcntl.h> +#ifdef _WIN32 +#include <io.h> +#endif +#include <stdio.h> +#include <stdlib.h> + +#ifndef O_BINARY +#define O_BINARY 0 +#endif + + +int +_zip_mkstemp(char *path) +{ +#ifdef _WIN32 + int ret; + ret = _creat(_mktemp(path), _S_IREAD|_S_IWRITE); + if (ret == -1) { + return 0; + } else { + return ret; + } +#else + int fd; + char *start, *trv; + struct stat sbuf; + pid_t pid; + + /* To guarantee multiple calls generate unique names even if + the file is not created. 676 different possibilities with 7 + or more X's, 26 with 6 or less. */ + static char xtra[2] = "aa"; + int xcnt = 0; + + pid = getpid(); + + /* Move to end of path and count trailing X's. */ + for (trv = path; *trv; ++trv) + if (*trv == 'X') + xcnt++; + else + xcnt = 0; + + /* Use at least one from xtra. Use 2 if more than 6 X's. */ + if (*(trv - 1) == 'X') + *--trv = xtra[0]; + if (xcnt > 6 && *(trv - 1) == 'X') + *--trv = xtra[1]; + + /* Set remaining X's to pid digits with 0's to the left. */ + while (*--trv == 'X') { + *trv = (pid % 10) + '0'; + pid /= 10; + } + + /* update xtra for next call. */ + if (xtra[0] != 'z') + xtra[0]++; + else { + xtra[0] = 'a'; + if (xtra[1] != 'z') + xtra[1]++; + else + xtra[1] = 'a'; + } + + /* + * check the target directory; if you have six X's and it + * doesn't exist this runs for a *very* long time. + */ + for (start = trv + 1;; --trv) { + if (trv <= path) + break; + if (*trv == '/') { + *trv = '\0'; + if (stat(path, &sbuf)) + return (0); + if (!S_ISDIR(sbuf.st_mode)) { + errno = ENOTDIR; + return (0); + } + *trv = '/'; + break; + } + } + + for (;;) { + if ((fd=open(path, O_CREAT|O_EXCL|O_RDWR|O_BINARY, 0600)) >= 0) + return (fd); + if (errno != EEXIST) + return (0); + + /* tricky little algorithm for backward compatibility */ + for (trv = start;;) { + if (!*trv) + return (0); + if (*trv == 'z') + *trv++ = 'a'; + else { + if (isdigit((unsigned char)*trv)) + *trv = 'a'; + else + ++*trv; + break; + } + } + } + /*NOTREACHED*/ +#endif +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip.h Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,422 @@ +#ifndef _HAD_ZIP_H +#define _HAD_ZIP_H + +/* + zip.h -- exported declarations. + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#ifndef ZIP_EXTERN +# ifndef ZIP_STATIC +# ifdef _WIN32 +# define ZIP_EXTERN __declspec(dllimport) +# elif defined(__GNUC__) && __GNUC__ >= 4 +# define ZIP_EXTERN __attribute__ ((visibility ("default"))) +# else +# define ZIP_EXTERN +# endif +# else +# define ZIP_EXTERN +# endif +#endif + +#ifdef __cplusplus +extern "C" { +#if 0 +} /* fix autoindent */ +#endif +#endif + +#include <zipconf.h> + +#include <sys/types.h> +#include <stdio.h> +#include <time.h> + +/* flags for zip_open */ + +#define ZIP_CREATE 1 +#define ZIP_EXCL 2 +#define ZIP_CHECKCONS 4 +#define ZIP_TRUNCATE 8 +#define ZIP_RDONLY 16 + + +/* flags for zip_name_locate, zip_fopen, zip_stat, ... */ + +#define ZIP_FL_NOCASE 1u /* ignore case on name lookup */ +#define ZIP_FL_NODIR 2u /* ignore directory component */ +#define ZIP_FL_COMPRESSED 4u /* read compressed data */ +#define ZIP_FL_UNCHANGED 8u /* use original data, ignoring changes */ +#define ZIP_FL_RECOMPRESS 16u /* force recompression of data */ +#define ZIP_FL_ENCRYPTED 32u /* read encrypted data (implies ZIP_FL_COMPRESSED) */ +#define ZIP_FL_ENC_GUESS 0u /* guess string encoding (is default) */ +#define ZIP_FL_ENC_RAW 64u /* get unmodified string */ +#define ZIP_FL_ENC_STRICT 128u /* follow specification strictly */ +#define ZIP_FL_LOCAL 256u /* in local header */ +#define ZIP_FL_CENTRAL 512u /* in central directory */ +/* 1024u reserved for internal use */ +#define ZIP_FL_ENC_UTF_8 2048u /* string is UTF-8 encoded */ +#define ZIP_FL_ENC_CP437 4096u /* string is CP437 encoded */ +#define ZIP_FL_OVERWRITE 8192u /* zip_file_add: if file with name exists, overwrite (replace) it */ + +/* archive global flags flags */ + +#define ZIP_AFL_RDONLY 2u /* read only -- cannot be cleared */ + + +/* create a new extra field */ + +#define ZIP_EXTRA_FIELD_ALL ZIP_UINT16_MAX +#define ZIP_EXTRA_FIELD_NEW ZIP_UINT16_MAX + + +/* libzip error codes */ + +#define ZIP_ER_OK 0 /* N No error */ +#define ZIP_ER_MULTIDISK 1 /* N Multi-disk zip archives not supported */ +#define ZIP_ER_RENAME 2 /* S Renaming temporary file failed */ +#define ZIP_ER_CLOSE 3 /* S Closing zip archive failed */ +#define ZIP_ER_SEEK 4 /* S Seek error */ +#define ZIP_ER_READ 5 /* S Read error */ +#define ZIP_ER_WRITE 6 /* S Write error */ +#define ZIP_ER_CRC 7 /* N CRC error */ +#define ZIP_ER_ZIPCLOSED 8 /* N Containing zip archive was closed */ +#define ZIP_ER_NOENT 9 /* N No such file */ +#define ZIP_ER_EXISTS 10 /* N File already exists */ +#define ZIP_ER_OPEN 11 /* S Can't open file */ +#define ZIP_ER_TMPOPEN 12 /* S Failure to create temporary file */ +#define ZIP_ER_ZLIB 13 /* Z Zlib error */ +#define ZIP_ER_MEMORY 14 /* N Malloc failure */ +#define ZIP_ER_CHANGED 15 /* N Entry has been changed */ +#define ZIP_ER_COMPNOTSUPP 16 /* N Compression method not supported */ +#define ZIP_ER_EOF 17 /* N Premature end of file */ +#define ZIP_ER_INVAL 18 /* N Invalid argument */ +#define ZIP_ER_NOZIP 19 /* N Not a zip archive */ +#define ZIP_ER_INTERNAL 20 /* N Internal error */ +#define ZIP_ER_INCONS 21 /* N Zip archive inconsistent */ +#define ZIP_ER_REMOVE 22 /* S Can't remove file */ +#define ZIP_ER_DELETED 23 /* N Entry has been deleted */ +#define ZIP_ER_ENCRNOTSUPP 24 /* N Encryption method not supported */ +#define ZIP_ER_RDONLY 25 /* N Read-only archive */ +#define ZIP_ER_NOPASSWD 26 /* N No password provided */ +#define ZIP_ER_WRONGPASSWD 27 /* N Wrong password provided */ +#define ZIP_ER_OPNOTSUPP 28 /* N Operation not supported */ +#define ZIP_ER_INUSE 29 /* N Resource still in use */ +#define ZIP_ER_TELL 30 /* S Tell error */ + +/* type of system error value */ + +#define ZIP_ET_NONE 0 /* sys_err unused */ +#define ZIP_ET_SYS 1 /* sys_err is errno */ +#define ZIP_ET_ZLIB 2 /* sys_err is zlib error code */ + +/* compression methods */ + +#define ZIP_CM_DEFAULT -1 /* better of deflate or store */ +#define ZIP_CM_STORE 0 /* stored (uncompressed) */ +#define ZIP_CM_SHRINK 1 /* shrunk */ +#define ZIP_CM_REDUCE_1 2 /* reduced with factor 1 */ +#define ZIP_CM_REDUCE_2 3 /* reduced with factor 2 */ +#define ZIP_CM_REDUCE_3 4 /* reduced with factor 3 */ +#define ZIP_CM_REDUCE_4 5 /* reduced with factor 4 */ +#define ZIP_CM_IMPLODE 6 /* imploded */ +/* 7 - Reserved for Tokenizing compression algorithm */ +#define ZIP_CM_DEFLATE 8 /* deflated */ +#define ZIP_CM_DEFLATE64 9 /* deflate64 */ +#define ZIP_CM_PKWARE_IMPLODE 10 /* PKWARE imploding */ +/* 11 - Reserved by PKWARE */ +#define ZIP_CM_BZIP2 12 /* compressed using BZIP2 algorithm */ +/* 13 - Reserved by PKWARE */ +#define ZIP_CM_LZMA 14 /* LZMA (EFS) */ +/* 15-17 - Reserved by PKWARE */ +#define ZIP_CM_TERSE 18 /* compressed using IBM TERSE (new) */ +#define ZIP_CM_LZ77 19 /* IBM LZ77 z Architecture (PFS) */ +#define ZIP_CM_WAVPACK 97 /* WavPack compressed data */ +#define ZIP_CM_PPMD 98 /* PPMd version I, Rev 1 */ + +/* encryption methods */ + +#define ZIP_EM_NONE 0 /* not encrypted */ +#define ZIP_EM_TRAD_PKWARE 1 /* traditional PKWARE encryption */ +#if 0 /* Strong Encryption Header not parsed yet */ +#define ZIP_EM_DES 0x6601 /* strong encryption: DES */ +#define ZIP_EM_RC2_OLD 0x6602 /* strong encryption: RC2, version < 5.2 */ +#define ZIP_EM_3DES_168 0x6603 +#define ZIP_EM_3DES_112 0x6609 +#define ZIP_EM_AES_128 0x660e +#define ZIP_EM_AES_192 0x660f +#define ZIP_EM_AES_256 0x6610 +#define ZIP_EM_RC2 0x6702 /* strong encryption: RC2, version >= 5.2 */ +#define ZIP_EM_RC4 0x6801 +#endif +#define ZIP_EM_UNKNOWN 0xffff /* unknown algorithm */ + +#define ZIP_OPSYS_DOS 0x00u +#define ZIP_OPSYS_AMIGA 0x01u +#define ZIP_OPSYS_OPENVMS 0x02u +#define ZIP_OPSYS_UNIX 0x03u +#define ZIP_OPSYS_VM_CMS 0x04u +#define ZIP_OPSYS_ATARI_ST 0x05u +#define ZIP_OPSYS_OS_2 0x06u +#define ZIP_OPSYS_MACINTOSH 0x07u +#define ZIP_OPSYS_Z_SYSTEM 0x08u +#define ZIP_OPSYS_CPM 0x09u +#define ZIP_OPSYS_WINDOWS_NTFS 0x0au +#define ZIP_OPSYS_MVS 0x0bu +#define ZIP_OPSYS_VSE 0x0cu +#define ZIP_OPSYS_ACORN_RISC 0x0du +#define ZIP_OPSYS_VFAT 0x0eu +#define ZIP_OPSYS_ALTERNATE_MVS 0x0fu +#define ZIP_OPSYS_BEOS 0x10u +#define ZIP_OPSYS_TANDEM 0x11u +#define ZIP_OPSYS_OS_400 0x12u +#define ZIP_OPSYS_OS_X 0x13u + +#define ZIP_OPSYS_DEFAULT ZIP_OPSYS_UNIX + + +enum zip_source_cmd { + ZIP_SOURCE_OPEN, /* prepare for reading */ + ZIP_SOURCE_READ, /* read data */ + ZIP_SOURCE_CLOSE, /* reading is done */ + ZIP_SOURCE_STAT, /* get meta information */ + ZIP_SOURCE_ERROR, /* get error information */ + ZIP_SOURCE_FREE, /* cleanup and free resources */ + ZIP_SOURCE_SEEK, /* set position for reading */ + ZIP_SOURCE_TELL, /* get read position */ + ZIP_SOURCE_BEGIN_WRITE, /* prepare for writing */ + ZIP_SOURCE_COMMIT_WRITE, /* writing is done */ + ZIP_SOURCE_ROLLBACK_WRITE, /* discard written changes */ + ZIP_SOURCE_WRITE, /* write data */ + ZIP_SOURCE_SEEK_WRITE, /* set position for writing */ + ZIP_SOURCE_TELL_WRITE, /* get write position */ + ZIP_SOURCE_SUPPORTS, /* check whether source supports command */ + ZIP_SOURCE_REMOVE /* remove file */ +}; +typedef enum zip_source_cmd zip_source_cmd_t; + +#define ZIP_SOURCE_MAKE_COMMAND_BITMASK(cmd) (1<<(cmd)) + +#define ZIP_SOURCE_SUPPORTS_READABLE (ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_OPEN) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_READ) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_CLOSE) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_STAT) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_ERROR) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_FREE)) + +#define ZIP_SOURCE_SUPPORTS_SEEKABLE (ZIP_SOURCE_SUPPORTS_READABLE \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_SEEK) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_TELL) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_SUPPORTS)) + +#define ZIP_SOURCE_SUPPORTS_WRITABLE (ZIP_SOURCE_SUPPORTS_SEEKABLE \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_BEGIN_WRITE) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_COMMIT_WRITE) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_ROLLBACK_WRITE) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_WRITE) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_SEEK_WRITE) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_TELL_WRITE) \ + | ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_REMOVE)) + +/* for use by sources */ +struct zip_source_args_seek { + zip_int64_t offset; + int whence; +}; + +typedef struct zip_source_args_seek zip_source_args_seek_t; +#define ZIP_SOURCE_GET_ARGS(type, data, len, error) ((len) < sizeof(type) ? zip_error_set((error), ZIP_ER_INVAL, 0), (type *)NULL : (type *)(data)) + + +/* error information */ +/* use zip_error_*() to access */ +struct zip_error { + int zip_err; /* libzip error code (ZIP_ER_*) */ + int sys_err; /* copy of errno (E*) or zlib error code */ + char *str; /* string representation or NULL */ +}; + +#define ZIP_STAT_NAME 0x0001u +#define ZIP_STAT_INDEX 0x0002u +#define ZIP_STAT_SIZE 0x0004u +#define ZIP_STAT_COMP_SIZE 0x0008u +#define ZIP_STAT_MTIME 0x0010u +#define ZIP_STAT_CRC 0x0020u +#define ZIP_STAT_COMP_METHOD 0x0040u +#define ZIP_STAT_ENCRYPTION_METHOD 0x0080u +#define ZIP_STAT_FLAGS 0x0100u + +struct zip_stat { + zip_uint64_t valid; /* which fields have valid values */ + const char *name; /* name of the file */ + zip_uint64_t index; /* index within archive */ + zip_uint64_t size; /* size of file (uncompressed) */ + zip_uint64_t comp_size; /* size of file (compressed) */ + time_t mtime; /* modification time */ + zip_uint32_t crc; /* crc of file data */ + zip_uint16_t comp_method; /* compression method used */ + zip_uint16_t encryption_method; /* encryption method used */ + zip_uint32_t flags; /* reserved for future use */ +}; + +struct zip; +struct zip_file; +struct zip_source; + +typedef struct zip zip_t; +typedef struct zip_error zip_error_t; +typedef struct zip_file zip_file_t; +typedef struct zip_source zip_source_t; +typedef struct zip_stat zip_stat_t; + +typedef zip_uint32_t zip_flags_t; + +typedef zip_int64_t (*zip_source_callback)(void *, void *, zip_uint64_t, zip_source_cmd_t); + + +#ifndef ZIP_DISABLE_DEPRECATED +ZIP_EXTERN zip_int64_t zip_add(zip_t *, const char *, zip_source_t *); /* use zip_file_add */ +ZIP_EXTERN zip_int64_t zip_add_dir(zip_t *, const char *); /* use zip_dir_add */ +ZIP_EXTERN const char *zip_get_file_comment(zip_t *, zip_uint64_t, int *, int); /* use zip_file_get_comment */ +ZIP_EXTERN int zip_get_num_files(zip_t *); /* use zip_get_num_entries instead */ +ZIP_EXTERN int zip_rename(zip_t *, zip_uint64_t, const char *); /* use zip_file_rename */ +ZIP_EXTERN int zip_replace(zip_t *, zip_uint64_t, zip_source_t *); /* use zip_file_replace */ +ZIP_EXTERN int zip_set_file_comment(zip_t *, zip_uint64_t, const char *, int); /* use zip_file_set_comment */ +ZIP_EXTERN int zip_error_get_sys_type(int); /* use zip_error_system_type */ +ZIP_EXTERN void zip_error_get(zip_t *, int *, int *); /* use zip_get_error, zip_error_code_zip / zip_error_code_system */ +ZIP_EXTERN int zip_error_to_str(char *, zip_uint64_t, int, int); +ZIP_EXTERN void zip_file_error_get(zip_file_t *, int *, int *); /* use zip_file_get_error, zip_error_code_zip / zip_error_code_system */ +#endif + +ZIP_EXTERN int zip_archive_set_tempdir(zip_t *, const char *); +ZIP_EXTERN int zip_close(zip_t *); +ZIP_EXTERN int zip_delete(zip_t *, zip_uint64_t); +ZIP_EXTERN zip_int64_t zip_dir_add(zip_t *, const char *, zip_flags_t); +ZIP_EXTERN void zip_discard(zip_t *); + +ZIP_EXTERN zip_error_t *zip_get_error(zip_t *); +ZIP_EXTERN void zip_error_clear(zip_t *); +ZIP_EXTERN int zip_error_code_zip(const zip_error_t *); +ZIP_EXTERN int zip_error_code_system(const zip_error_t *); +ZIP_EXTERN void zip_error_fini(zip_error_t *); +ZIP_EXTERN void zip_error_init(zip_error_t *); +ZIP_EXTERN void zip_error_init_with_code(zip_error_t *, int); +ZIP_EXTERN void zip_error_set(zip_error_t *, int, int); +ZIP_EXTERN const char *zip_error_strerror(zip_error_t *); +ZIP_EXTERN int zip_error_system_type(const zip_error_t *); +ZIP_EXTERN zip_int64_t zip_error_to_data(const zip_error_t *, void *, zip_uint64_t); + +ZIP_EXTERN int zip_fclose(zip_file_t *); +ZIP_EXTERN zip_t *zip_fdopen(int, int, int *); +ZIP_EXTERN zip_int64_t zip_file_add(zip_t *, const char *, zip_source_t *, zip_flags_t); +ZIP_EXTERN void zip_file_error_clear(zip_file_t *); +ZIP_EXTERN int zip_file_extra_field_delete(zip_t *, zip_uint64_t, zip_uint16_t, zip_flags_t); +ZIP_EXTERN int zip_file_extra_field_delete_by_id(zip_t *, zip_uint64_t, zip_uint16_t, zip_uint16_t, zip_flags_t); +ZIP_EXTERN int zip_file_extra_field_set(zip_t *, zip_uint64_t, zip_uint16_t, zip_uint16_t, const zip_uint8_t *, zip_uint16_t, zip_flags_t); +ZIP_EXTERN zip_int16_t zip_file_extra_fields_count(zip_t *, zip_uint64_t, zip_flags_t); +ZIP_EXTERN zip_int16_t zip_file_extra_fields_count_by_id(zip_t *, zip_uint64_t, zip_uint16_t, zip_flags_t); +ZIP_EXTERN const zip_uint8_t *zip_file_extra_field_get(zip_t *, zip_uint64_t, zip_uint16_t, zip_uint16_t *, zip_uint16_t *, zip_flags_t); +ZIP_EXTERN const zip_uint8_t *zip_file_extra_field_get_by_id(zip_t *, zip_uint64_t, zip_uint16_t, zip_uint16_t, zip_uint16_t *, zip_flags_t); +ZIP_EXTERN const char *zip_file_get_comment(zip_t *, zip_uint64_t, zip_uint32_t *, zip_flags_t); +ZIP_EXTERN zip_error_t *zip_file_get_error(zip_file_t *); +ZIP_EXTERN int zip_file_get_external_attributes(zip_t *, zip_uint64_t, zip_flags_t, zip_uint8_t *, zip_uint32_t *); +ZIP_EXTERN int zip_file_rename(zip_t *, zip_uint64_t, const char *, zip_flags_t); +ZIP_EXTERN int zip_file_replace(zip_t *, zip_uint64_t, zip_source_t *, zip_flags_t); +ZIP_EXTERN int zip_file_set_comment(zip_t *, zip_uint64_t, const char *, zip_uint16_t, zip_flags_t); +ZIP_EXTERN int zip_file_set_external_attributes(zip_t *, zip_uint64_t, zip_flags_t, zip_uint8_t, zip_uint32_t); +ZIP_EXTERN int zip_file_set_mtime(zip_t *, zip_uint64_t, time_t, zip_flags_t); +ZIP_EXTERN const char *zip_file_strerror(zip_file_t *); +ZIP_EXTERN zip_file_t *zip_fopen(zip_t *, const char *, zip_flags_t); +ZIP_EXTERN zip_file_t *zip_fopen_encrypted(zip_t *, const char *, zip_flags_t, const char *); +ZIP_EXTERN zip_file_t *zip_fopen_index(zip_t *, zip_uint64_t, zip_flags_t); +ZIP_EXTERN zip_file_t *zip_fopen_index_encrypted(zip_t *, zip_uint64_t, zip_flags_t, const char *); +ZIP_EXTERN zip_int64_t zip_fread(zip_file_t *, void *, zip_uint64_t); +ZIP_EXTERN const char *zip_get_archive_comment(zip_t *, int *, zip_flags_t); +ZIP_EXTERN int zip_get_archive_flag(zip_t *, zip_flags_t, zip_flags_t); +ZIP_EXTERN const char *zip_get_name(zip_t *, zip_uint64_t, zip_flags_t); +ZIP_EXTERN zip_int64_t zip_get_num_entries(zip_t *, zip_flags_t); +ZIP_EXTERN zip_int64_t zip_name_locate(zip_t *, const char *, zip_flags_t); +ZIP_EXTERN zip_t *zip_open(const char *, int, int *); +ZIP_EXTERN zip_t *zip_open_from_source(zip_source_t *, int, zip_error_t *); +ZIP_EXTERN int zip_set_archive_comment(zip_t *, const char *, zip_uint16_t); +ZIP_EXTERN int zip_set_archive_flag(zip_t *, zip_flags_t, int); +ZIP_EXTERN int zip_set_default_password(zip_t *, const char *); +ZIP_EXTERN int zip_set_file_compression(zip_t *, zip_uint64_t, zip_int32_t, zip_uint32_t); +ZIP_EXTERN int zip_source_begin_write(zip_source_t *); +ZIP_EXTERN zip_source_t *zip_source_buffer(zip_t *, const void *, zip_uint64_t, int); +ZIP_EXTERN zip_source_t *zip_source_buffer_create(const void *, zip_uint64_t, int, zip_error_t *); +ZIP_EXTERN int zip_source_close(zip_source_t *); +ZIP_EXTERN int zip_source_commit_write(zip_source_t *); +ZIP_EXTERN zip_error_t *zip_source_error(zip_source_t *src); +ZIP_EXTERN zip_source_t *zip_source_file(zip_t *, const char *, zip_uint64_t, zip_int64_t); +ZIP_EXTERN zip_source_t *zip_source_file_create(const char *, zip_uint64_t, zip_int64_t, zip_error_t *); +ZIP_EXTERN zip_source_t *zip_source_filep(zip_t *, FILE *, zip_uint64_t, zip_int64_t); +ZIP_EXTERN zip_source_t *zip_source_filep_create(FILE *, zip_uint64_t, zip_int64_t, zip_error_t *); +ZIP_EXTERN void zip_source_free(zip_source_t *); +ZIP_EXTERN zip_source_t *zip_source_function(zip_t *, zip_source_callback, void *); +ZIP_EXTERN zip_source_t *zip_source_function_create(zip_source_callback, void *, zip_error_t *); +ZIP_EXTERN int zip_source_is_deleted(zip_source_t *); +ZIP_EXTERN void zip_source_keep(zip_source_t *); +ZIP_EXTERN zip_int64_t zip_source_make_command_bitmap(zip_source_cmd_t, ...); +ZIP_EXTERN int zip_source_open(zip_source_t *); +ZIP_EXTERN zip_int64_t zip_source_read(zip_source_t *, void *, zip_uint64_t); +ZIP_EXTERN void zip_source_rollback_write(zip_source_t *); +ZIP_EXTERN int zip_source_seek(zip_source_t *, zip_int64_t, int); +ZIP_EXTERN zip_int64_t zip_source_seek_compute_offset(zip_uint64_t, zip_uint64_t, void *, zip_uint64_t, zip_error_t *); +ZIP_EXTERN int zip_source_seek_write(zip_source_t *, zip_int64_t, int); +ZIP_EXTERN int zip_source_stat(zip_source_t *, zip_stat_t *); +ZIP_EXTERN zip_int64_t zip_source_tell(zip_source_t *); +ZIP_EXTERN zip_int64_t zip_source_tell_write(zip_source_t *); +#ifdef _WIN32 +ZIP_EXTERN zip_source_t *zip_source_win32a(zip_t *, const char *, zip_uint64_t, zip_int64_t); +ZIP_EXTERN zip_source_t *zip_source_win32a_create(const char *, zip_uint64_t, zip_int64_t, zip_error_t *); +ZIP_EXTERN zip_source_t *zip_source_win32handle(zip_t *, void *, zip_uint64_t, zip_int64_t); +ZIP_EXTERN zip_source_t *zip_source_win32handle_create(void *, zip_uint64_t, zip_int64_t, zip_error_t *); +ZIP_EXTERN zip_source_t *zip_source_win32w(zip_t *, const wchar_t *, zip_uint64_t, zip_int64_t); +ZIP_EXTERN zip_source_t *zip_source_win32w_create(const wchar_t *, zip_uint64_t, zip_int64_t, zip_error_t *); +#endif +ZIP_EXTERN zip_int64_t zip_source_write(zip_source_t *, const void *, zip_uint64_t); +ZIP_EXTERN zip_source_t *zip_source_zip(zip_t *, zip_t *, zip_uint64_t, zip_flags_t, zip_uint64_t, zip_int64_t); +ZIP_EXTERN int zip_stat(zip_t *, const char *, zip_flags_t, zip_stat_t *); +ZIP_EXTERN int zip_stat_index(zip_t *, zip_uint64_t, zip_flags_t, zip_stat_t *); +ZIP_EXTERN void zip_stat_init(zip_stat_t *); +ZIP_EXTERN const char *zip_strerror(zip_t *); +ZIP_EXTERN int zip_unchange(zip_t *, zip_uint64_t); +ZIP_EXTERN int zip_unchange_all(zip_t *); +ZIP_EXTERN int zip_unchange_archive(zip_t *); + +#ifdef __cplusplus +} +#endif + +#endif /* _HAD_ZIP_H */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_add.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,50 @@ +/* + zip_add.c -- add file via callback function + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#define _ZIP_COMPILING_DEPRECATED +#include "zipint.h" + + +/* + NOTE: Return type is signed so we can return -1 on error. + The index can not be larger than ZIP_INT64_MAX since the size + of the central directory cannot be larger than + ZIP_UINT64_MAX, and each entry is larger than 2 bytes. +*/ + +ZIP_EXTERN zip_int64_t +zip_add(zip_t *za, const char *name, zip_source_t *source) +{ + return zip_file_add(za, name, source, 0); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_add_dir.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,45 @@ +/* + zip_add_dir.c -- add directory + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#define _ZIP_COMPILING_DEPRECATED +#include "zipint.h" + + +/* NOTE: Signed due to -1 on error. See zip_add.c for more details. */ + +ZIP_EXTERN zip_int64_t +zip_add_dir(zip_t *za, const char *name) +{ + return zip_dir_add(za, name, 0); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_add_entry.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,81 @@ +/* + zip_add_entry.c -- create and init struct zip_entry + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +/* NOTE: Signed due to -1 on error. See zip_add.c for more details. */ + +zip_int64_t +_zip_add_entry(zip_t *za) +{ + zip_uint64_t idx; + + if (za->nentry+1 >= za->nentry_alloc) { + zip_entry_t *rentries; + zip_uint64_t nalloc = za->nentry_alloc; + zip_uint64_t additional_entries = 2 * nalloc; + zip_uint64_t realloc_size; + + if (additional_entries < 16) { + additional_entries = 16; + } + else if (additional_entries > 1024) { + additional_entries = 1024; + } + /* neither + nor * overflows can happen: nentry_alloc * sizeof(struct zip_entry) < UINT64_MAX */ + nalloc += additional_entries; + realloc_size = sizeof(struct zip_entry) * (size_t)nalloc; + + if (sizeof(struct zip_entry) * (size_t)za->nentry_alloc > realloc_size) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + rentries = (zip_entry_t *)realloc(za->entry, sizeof(struct zip_entry) * (size_t)nalloc); + if (!rentries) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + za->entry = rentries; + za->nentry_alloc = nalloc; + } + + idx = za->nentry++; + + _zip_entry_init(za->entry+idx); + + return (zip_int64_t)idx; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_buffer.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,321 @@ +/* + zip_buffer.c -- bounds checked access to memory buffer + Copyright (C) 2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + +zip_uint8_t * +_zip_buffer_data(zip_buffer_t *buffer) +{ + return buffer->data; +} + + +void +_zip_buffer_free(zip_buffer_t *buffer) +{ + if (buffer == NULL) { + return; + } + + if (buffer->free_data) { + free(buffer->data); + } + + free(buffer); +} + + +bool +_zip_buffer_eof(zip_buffer_t *buffer) +{ + return buffer->ok && buffer->offset == buffer->size; +} + + +zip_uint8_t * +_zip_buffer_get(zip_buffer_t *buffer, zip_uint64_t length) +{ + zip_uint8_t *data; + + if (!buffer->ok || buffer->offset + length < length || buffer->offset + length > buffer->size) { + buffer->ok = false; + return NULL; + } + + data = buffer->data + buffer->offset; + buffer->offset += length; + return data; +} + + +zip_uint16_t +_zip_buffer_get_16(zip_buffer_t *buffer) +{ + zip_uint8_t *data = _zip_buffer_get(buffer, 2); + + if (data == NULL) { + return 0; + } + + return (zip_uint16_t)(data[0] + (data[1] << 8)); +} + + +zip_uint32_t +_zip_buffer_get_32(zip_buffer_t *buffer) +{ + zip_uint8_t *data = _zip_buffer_get(buffer, 4); + + if (data == NULL) { + return 0; + } + + return ((((((zip_uint32_t)data[3] << 8) + data[2]) << 8) + data[1]) << 8) + data[0]; +} + + +zip_uint64_t +_zip_buffer_get_64(zip_buffer_t *buffer) +{ + zip_uint8_t *data = _zip_buffer_get(buffer, 8); + + if (data == NULL) { + return 0; + } + + return ((zip_uint64_t)data[7] << 56) + ((zip_uint64_t)data[6] << 48) + ((zip_uint64_t)data[5] << 40) + ((zip_uint64_t)data[4] << 32) + ((zip_uint64_t)data[3] << 24) + ((zip_uint64_t)data[2] << 16) + ((zip_uint64_t)data[1] << 8) + (zip_uint64_t)data[0]; +} + + + +zip_uint8_t +_zip_buffer_get_8(zip_buffer_t *buffer) +{ + zip_uint8_t *data = _zip_buffer_get(buffer, 1); + + if (data == NULL) { + return 0; + } + + return data[0]; +} + + +zip_uint64_t +_zip_buffer_left(zip_buffer_t *buffer) +{ + return buffer->ok ? buffer->size - buffer->offset : 0; +} + + +zip_buffer_t * +_zip_buffer_new(zip_uint8_t *data, zip_uint64_t size) +{ + bool free_data = (data == NULL); + zip_buffer_t *buffer; + + if (data == NULL) { + if ((data = (zip_uint8_t *)malloc(size)) == NULL) { + return NULL; + } + } + + if ((buffer = (zip_buffer_t *)malloc(sizeof(*buffer))) == NULL) { + if (free_data) { + free(data); + } + return NULL; + } + + buffer->ok = true; + buffer->data = data; + buffer->size = size; + buffer->offset = 0; + buffer->free_data = free_data; + + return buffer; +} + + +zip_buffer_t * +_zip_buffer_new_from_source(zip_source_t *src, zip_uint64_t size, zip_uint8_t *buf, zip_error_t *error) +{ + zip_buffer_t *buffer; + + if ((buffer = _zip_buffer_new(buf, size)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + if (_zip_read(src, buffer->data, size, error) < 0) { + _zip_buffer_free(buffer); + return NULL; + } + + return buffer; +} + + +zip_uint64_t +_zip_buffer_offset(zip_buffer_t *buffer) +{ + return buffer->ok ? buffer->offset : 0; +} + + +bool +_zip_buffer_ok(zip_buffer_t *buffer) +{ + return buffer->ok; +} + + +int +_zip_buffer_put(zip_buffer_t *buffer, const void *src, size_t length) +{ + zip_uint8_t *dst = _zip_buffer_get(buffer, length); + + if (dst == NULL) { + return -1; + } + + memcpy(dst, src, length); + return 0; +} + + +int +_zip_buffer_put_16(zip_buffer_t *buffer, zip_uint16_t i) +{ + zip_uint8_t *data = _zip_buffer_get(buffer, 2); + + if (data == NULL) { + return -1; + } + + data[0] = (zip_uint8_t)(i & 0xff); + data[1] = (zip_uint8_t)((i >> 8) & 0xff); + + return 0; +} + + +int +_zip_buffer_put_32(zip_buffer_t *buffer, zip_uint32_t i) +{ + zip_uint8_t *data = _zip_buffer_get(buffer, 4); + + if (data == NULL) { + return -1; + } + + data[0] = (zip_uint8_t)(i & 0xff); + data[1] = (zip_uint8_t)((i >> 8) & 0xff); + data[2] = (zip_uint8_t)((i >> 16) & 0xff); + data[3] = (zip_uint8_t)((i >> 24) & 0xff); + + return 0; +} + + +int +_zip_buffer_put_64(zip_buffer_t *buffer, zip_uint64_t i) +{ + zip_uint8_t *data = _zip_buffer_get(buffer, 8); + + if (data == NULL) { + return -1; + } + + data[0] = (zip_uint8_t)(i & 0xff); + data[1] = (zip_uint8_t)((i >> 8) & 0xff); + data[2] = (zip_uint8_t)((i >> 16) & 0xff); + data[3] = (zip_uint8_t)((i >> 24) & 0xff); + data[4] = (zip_uint8_t)((i >> 32) & 0xff); + data[5] = (zip_uint8_t)((i >> 40) & 0xff); + data[6] = (zip_uint8_t)((i >> 48) & 0xff); + data[7] = (zip_uint8_t)((i >> 56) & 0xff); + + return 0; +} + + +int +_zip_buffer_put_8(zip_buffer_t *buffer, zip_uint8_t i) +{ + zip_uint8_t *data = _zip_buffer_get(buffer, 1); + + if (data == NULL) { + return -1; + } + + data[0] = i; + + return 0; +} + + +int +_zip_buffer_set_offset(zip_buffer_t *buffer, zip_uint64_t offset) +{ + if (offset > buffer->size) { + buffer->ok = false; + return -1; + } + + buffer->ok = true; + buffer->offset = offset; + + return 0; +} + + +int +_zip_buffer_skip(zip_buffer_t *buffer, zip_uint64_t length) { + zip_uint64_t offset = buffer->offset + length; + + if (offset < buffer->offset) { + buffer->ok = false; + return -1; + } + return _zip_buffer_set_offset(buffer, offset); +} + +zip_uint64_t +_zip_buffer_size(zip_buffer_t *buffer) +{ + return buffer->size; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_close.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,492 @@ +/* + zip_close.c -- close zip archive and update changes + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef HAVE_STRINGS_H +#include <strings.h> +#endif +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#include <sys/types.h> +#include <sys/stat.h> +#ifdef _WIN32 +#include <io.h> +#include <fcntl.h> +#endif + + +/* max deflate size increase: size + ceil(size/16k)*5+6 */ +#define MAX_DEFLATE_SIZE_32 4293656963u + +static int add_data(zip_t *, zip_source_t *, zip_dirent_t *); +static int copy_data(zip_t *, zip_uint64_t); +static int copy_source(zip_t *, zip_source_t *); +static int write_cdir(zip_t *, const zip_filelist_t *, zip_uint64_t); + + +ZIP_EXTERN int +zip_close(zip_t *za) +{ + zip_uint64_t i, j, survivors; + zip_int64_t off; + int error; + zip_filelist_t *filelist; + int changed; + + if (za == NULL) + return -1; + + changed = _zip_changed(za, &survivors); + + /* don't create zip files with no entries */ + if (survivors == 0) { + if ((za->open_flags & ZIP_TRUNCATE) || changed) { + if (zip_source_remove(za->src) < 0) { + _zip_error_set_from_source(&za->error, za->src); + return -1; + } + } + zip_discard(za); + return 0; + } + + if (!changed) { + zip_discard(za); + return 0; + } + + if (survivors > za->nentry) { + zip_error_set(&za->error, ZIP_ER_INTERNAL, 0); + return -1; + } + + if ((filelist=(zip_filelist_t *)malloc(sizeof(filelist[0])*(size_t)survivors)) == NULL) + return -1; + + /* create list of files with index into original archive */ + for (i=j=0; i<za->nentry; i++) { + if (za->entry[i].deleted) + continue; + + if (j >= survivors) { + free(filelist); + zip_error_set(&za->error, ZIP_ER_INTERNAL, 0); + return -1; + } + + filelist[j].idx = i; + j++; + } + if (j < survivors) { + free(filelist); + zip_error_set(&za->error, ZIP_ER_INTERNAL, 0); + return -1; + } + + if (zip_source_begin_write(za->src) < 0) { + _zip_error_set_from_source(&za->error, za->src); + free(filelist); + return -1; + } + + error = 0; + for (j=0; j<survivors; j++) { + int new_data; + zip_entry_t *entry; + zip_dirent_t *de; + + i = filelist[j].idx; + entry = za->entry+i; + + new_data = (ZIP_ENTRY_DATA_CHANGED(entry) || ZIP_ENTRY_CHANGED(entry, ZIP_DIRENT_COMP_METHOD)); + + /* create new local directory entry */ + if (entry->changes == NULL) { + if ((entry->changes=_zip_dirent_clone(entry->orig)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + error = 1; + break; + } + } + de = entry->changes; + + if (_zip_read_local_ef(za, i) < 0) { + error = 1; + break; + } + + if ((off = zip_source_tell_write(za->src)) < 0) { + error = 1; + break; + } + de->offset = (zip_uint64_t)off; + + if (new_data) { + zip_source_t *zs; + + zs = NULL; + if (!ZIP_ENTRY_DATA_CHANGED(entry)) { + if ((zs=_zip_source_zip_new(za, za, i, ZIP_FL_UNCHANGED, 0, 0, NULL)) == NULL) { + error = 1; + break; + } + } + + /* add_data writes dirent */ + if (add_data(za, zs ? zs : entry->source, de) < 0) { + error = 1; + if (zs) + zip_source_free(zs); + break; + } + if (zs) + zip_source_free(zs); + } + else { + zip_uint64_t offset; + + /* when copying data, all sizes are known -> no data descriptor needed */ + de->bitflags &= (zip_uint16_t)~ZIP_GPBF_DATA_DESCRIPTOR; + if (_zip_dirent_write(za, de, ZIP_FL_LOCAL) < 0) { + error = 1; + break; + } + if ((offset=_zip_file_get_offset(za, i, &za->error)) == 0) { + error = 1; + break; + } + if (zip_source_seek(za->src, (zip_int64_t)offset, SEEK_SET) < 0) { + _zip_error_set_from_source(&za->error, za->src); + error = 1; + break; + } + if (copy_data(za, de->comp_size) < 0) { + error = 1; + break; + } + } + } + + if (!error) { + if (write_cdir(za, filelist, survivors) < 0) + error = 1; + } + + free(filelist); + + if (!error) { + if (zip_source_commit_write(za->src) != 0) { + _zip_error_set_from_source(&za->error, za->src); + error = 1; + } + } + + if (error) { + zip_source_rollback_write(za->src); + return -1; + } + + zip_discard(za); + + return 0; +} + + +static int +add_data(zip_t *za, zip_source_t *src, zip_dirent_t *de) +{ + zip_int64_t offstart, offdata, offend; + struct zip_stat st; + zip_source_t *s2; + int ret; + int is_zip64; + zip_flags_t flags; + + if (zip_source_stat(src, &st) < 0) { + _zip_error_set_from_source(&za->error, src); + return -1; + } + + if ((st.valid & ZIP_STAT_COMP_METHOD) == 0) { + st.valid |= ZIP_STAT_COMP_METHOD; + st.comp_method = ZIP_CM_STORE; + } + + if (ZIP_CM_IS_DEFAULT(de->comp_method) && st.comp_method != ZIP_CM_STORE) + de->comp_method = st.comp_method; + else if (de->comp_method == ZIP_CM_STORE && (st.valid & ZIP_STAT_SIZE)) { + st.valid |= ZIP_STAT_COMP_SIZE; + st.comp_size = st.size; + } + else { + /* we'll recompress */ + st.valid &= ~ZIP_STAT_COMP_SIZE; + } + + + flags = ZIP_EF_LOCAL; + + if ((st.valid & ZIP_STAT_SIZE) == 0) + flags |= ZIP_FL_FORCE_ZIP64; + else { + de->uncomp_size = st.size; + + if ((st.valid & ZIP_STAT_COMP_SIZE) == 0) { + if (( ((de->comp_method == ZIP_CM_DEFLATE || ZIP_CM_IS_DEFAULT(de->comp_method)) && st.size > MAX_DEFLATE_SIZE_32) + || (de->comp_method != ZIP_CM_STORE && de->comp_method != ZIP_CM_DEFLATE && !ZIP_CM_IS_DEFAULT(de->comp_method)))) + flags |= ZIP_FL_FORCE_ZIP64; + } + else + de->comp_size = st.comp_size; + } + + if ((offstart = zip_source_tell_write(za->src)) < 0) { + return -1; + } + + /* as long as we don't support non-seekable output, clear data descriptor bit */ + de->bitflags &= (zip_uint16_t)~ZIP_GPBF_DATA_DESCRIPTOR; + if ((is_zip64=_zip_dirent_write(za, de, flags)) < 0) + return -1; + + + if (st.comp_method == ZIP_CM_STORE || (ZIP_CM_IS_DEFAULT(de->comp_method) && st.comp_method != de->comp_method)) { + zip_source_t *s_store, *s_crc; + zip_compression_implementation comp_impl; + + if (st.comp_method != ZIP_CM_STORE) { + if ((comp_impl=_zip_get_compression_implementation(st.comp_method)) == NULL) { + zip_error_set(&za->error, ZIP_ER_COMPNOTSUPP, 0); + return -1; + } + if ((s_store=comp_impl(za, src, st.comp_method, ZIP_CODEC_DECODE)) == NULL) { + /* error set by comp_impl */ + return -1; + } + } + else { + /* to have the same reference count to src as in the case where it's not stored */ + zip_source_keep(src); + s_store = src; + } + + s_crc = zip_source_crc(za, s_store, 0); + zip_source_free(s_store); + if (s_crc == NULL) { + return -1; + } + + if (de->comp_method != ZIP_CM_STORE && ((st.valid & ZIP_STAT_SIZE) == 0 || st.size != 0)) { + if ((comp_impl=_zip_get_compression_implementation(de->comp_method)) == NULL) { + zip_error_set(&za->error, ZIP_ER_COMPNOTSUPP, 0); + zip_source_free(s_crc); + return -1; + } + s2 = comp_impl(za, s_crc, de->comp_method, ZIP_CODEC_ENCODE); + zip_source_free(s_crc); + if (s2 == NULL) { + return -1; + } + } + else { + s2 = s_crc; + } + } + else { + zip_source_keep(src); + s2 = src; + } + + if ((offdata = zip_source_tell_write(za->src)) < 0) { + return -1; + } + + ret = copy_source(za, s2); + + if (zip_source_stat(s2, &st) < 0) + ret = -1; + + zip_source_free(s2); + + if (ret < 0) + return -1; + + if ((offend = zip_source_tell_write(za->src)) < 0) { + return -1; + } + + if (zip_source_seek_write(za->src, offstart, SEEK_SET) < 0) { + _zip_error_set_from_source(&za->error, za->src); + return -1; + } + + if ((st.valid & (ZIP_STAT_COMP_METHOD|ZIP_STAT_CRC|ZIP_STAT_SIZE)) != (ZIP_STAT_COMP_METHOD|ZIP_STAT_CRC|ZIP_STAT_SIZE)) { + zip_error_set(&za->error, ZIP_ER_INTERNAL, 0); + return -1; + } + + if ((de->changed & ZIP_DIRENT_LAST_MOD) == 0) { + if (st.valid & ZIP_STAT_MTIME) + de->last_mod = st.mtime; + else + time(&de->last_mod); + } + de->comp_method = st.comp_method; + de->crc = st.crc; + de->uncomp_size = st.size; + de->comp_size = (zip_uint64_t)(offend - offdata); + + if ((ret=_zip_dirent_write(za, de, flags)) < 0) + return -1; + + if (is_zip64 != ret) { + /* Zip64 mismatch between preliminary file header written before data and final file header written afterwards */ + zip_error_set(&za->error, ZIP_ER_INTERNAL, 0); + return -1; + } + + + if (zip_source_seek_write(za->src, offend, SEEK_SET) < 0) { + _zip_error_set_from_source(&za->error, za->src); + return -1; + } + + return 0; +} + + +static int +copy_data(zip_t *za, zip_uint64_t len) +{ + zip_uint8_t buf[BUFSIZE]; + size_t n; + + while (len > 0) { + n = len > sizeof(buf) ? sizeof(buf) : len; + if (_zip_read(za->src, buf, n, &za->error) < 0) { + return -1; + } + + if (_zip_write(za, buf, n) < 0) { + return -1; + } + + len -= n; + } + + return 0; +} + + +static int +copy_source(zip_t *za, zip_source_t *src) +{ + zip_uint8_t buf[BUFSIZE]; + zip_int64_t n; + int ret; + + if (zip_source_open(src) < 0) { + _zip_error_set_from_source(&za->error, src); + return -1; + } + + ret = 0; + while ((n=zip_source_read(src, buf, sizeof(buf))) > 0) { + if (_zip_write(za, buf, (zip_uint64_t)n) < 0) { + ret = -1; + break; + } + } + + if (n < 0) { + _zip_error_set_from_source(&za->error, src); + ret = -1; + } + + zip_source_close(src); + + return ret; +} + + +static int +write_cdir(zip_t *za, const zip_filelist_t *filelist, zip_uint64_t survivors) +{ + zip_int64_t cd_start, end, size; + + if ((cd_start = zip_source_tell_write(za->src)) < 0) { + return -1; + } + + if ((size=_zip_cdir_write(za, filelist, survivors)) < 0) { + return -1; + } + + if ((end = zip_source_tell_write(za->src)) < 0) { + return -1; + } + + return 0; +} + + +int +_zip_changed(const zip_t *za, zip_uint64_t *survivorsp) +{ + int changed; + zip_uint64_t i, survivors; + + changed = 0; + survivors = 0; + + if (za->comment_changed || za->ch_flags != za->flags) + changed = 1; + + for (i=0; i<za->nentry; i++) { + if (za->entry[i].deleted || za->entry[i].source || (za->entry[i].changes && za->entry[i].changes->changed != 0)) + changed = 1; + if (!za->entry[i].deleted) + survivors++; + } + + if (survivorsp) + *survivorsp = survivors; + + return changed; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_delete.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,70 @@ +/* + zip_delete.c -- delete file from zip archive + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_delete(zip_t *za, zip_uint64_t idx) +{ + const char *name; + + if (idx >= za->nentry) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + if ((name=_zip_get_name(za, idx, 0, &za->error)) == NULL) { + return -1; + } + + if (!_zip_hash_delete(za->names, (const zip_uint8_t *)name, &za->error)) { + return -1; + } + + /* allow duplicate file names, because the file will + * be removed directly afterwards */ + if (_zip_unchange(za, idx, 1) != 0) + return -1; + + za->entry[idx].deleted = 1; + + return 0; +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_dir_add.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,93 @@ +/* + zip_dir_add.c -- add directory + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + + +/* NOTE: Signed due to -1 on error. See zip_add.c for more details. */ + +ZIP_EXTERN zip_int64_t +zip_dir_add(zip_t *za, const char *name, zip_flags_t flags) +{ + size_t len; + zip_int64_t idx; + char *s; + zip_source_t *source; + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + if (name == NULL) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + s = NULL; + len = strlen(name); + + if (name[len-1] != '/') { + if ((s=(char *)malloc(len+2)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + strcpy(s, name); + s[len] = '/'; + s[len+1] = '\0'; + } + + if ((source=zip_source_buffer(za, NULL, 0, 0)) == NULL) { + free(s); + return -1; + } + + idx = _zip_file_replace(za, ZIP_UINT64_MAX, s ? s : name, source, flags); + + free(s); + + if (idx < 0) + zip_source_free(source); + else { + if (zip_file_set_external_attributes(za, (zip_uint64_t)idx, 0, ZIP_OPSYS_DEFAULT, ZIP_EXT_ATTRIB_DEFAULT_DIR) < 0) { + zip_delete(za, (zip_uint64_t)idx); + return -1; + } + } + + return idx; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_dirent.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,912 @@ +/* + zip_dirent.c -- read directory entry (local or central), clean dirent + Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include "zipint.h" + +static time_t _zip_d2u_time(zip_uint16_t, zip_uint16_t); +static zip_string_t *_zip_dirent_process_ef_utf_8(const zip_dirent_t *de, zip_uint16_t id, zip_string_t *str); +static zip_extra_field_t *_zip_ef_utf8(zip_uint16_t, zip_string_t *, zip_error_t *); + + +void +_zip_cdir_free(zip_cdir_t *cd) +{ + zip_uint64_t i; + + if (!cd) + return; + + for (i=0; i<cd->nentry; i++) + _zip_entry_finalize(cd->entry+i); + free(cd->entry); + _zip_string_free(cd->comment); + free(cd); +} + + +zip_cdir_t * +_zip_cdir_new(zip_uint64_t nentry, zip_error_t *error) +{ + zip_cdir_t *cd; + zip_uint64_t i; + + if ((cd=(zip_cdir_t *)malloc(sizeof(*cd))) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + if (nentry == 0) + cd->entry = NULL; + else if ((nentry > SIZE_MAX/sizeof(*(cd->entry))) || (cd->entry=(zip_entry_t *)malloc(sizeof(*(cd->entry))*(size_t)nentry)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + free(cd); + return NULL; + } + + for (i=0; i<nentry; i++) + _zip_entry_init(cd->entry+i); + + cd->nentry = cd->nentry_alloc = nentry; + cd->size = cd->offset = 0; + cd->comment = NULL; + + return cd; +} + + +zip_int64_t +_zip_cdir_write(zip_t *za, const zip_filelist_t *filelist, zip_uint64_t survivors) +{ + zip_uint64_t offset, size; + zip_string_t *comment; + zip_uint8_t buf[EOCDLEN + EOCD64LEN + EOCD64LOCLEN]; + zip_buffer_t *buffer; + zip_int64_t off; + zip_uint64_t i; + bool is_zip64; + int ret; + + if ((off = zip_source_tell_write(za->src)) < 0) { + _zip_error_set_from_source(&za->error, za->src); + return -1; + } + offset = (zip_uint64_t)off; + + is_zip64 = false; + + for (i=0; i<survivors; i++) { + zip_entry_t *entry = za->entry+filelist[i].idx; + + if ((ret=_zip_dirent_write(za, entry->changes ? entry->changes : entry->orig, ZIP_FL_CENTRAL)) < 0) + return -1; + if (ret) + is_zip64 = true; + } + + if ((off = zip_source_tell_write(za->src)) < 0) { + _zip_error_set_from_source(&za->error, za->src); + return -1; + } + size = (zip_uint64_t)off - offset; + + if (offset > ZIP_UINT32_MAX || survivors > ZIP_UINT16_MAX) + is_zip64 = true; + + + if ((buffer = _zip_buffer_new(buf, sizeof(buf))) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + + if (is_zip64) { + _zip_buffer_put(buffer, EOCD64_MAGIC, 4); + _zip_buffer_put_64(buffer, EOCD64LEN-12); + _zip_buffer_put_16(buffer, 45); + _zip_buffer_put_16(buffer, 45); + _zip_buffer_put_32(buffer, 0); + _zip_buffer_put_32(buffer, 0); + _zip_buffer_put_64(buffer, survivors); + _zip_buffer_put_64(buffer, survivors); + _zip_buffer_put_64(buffer, size); + _zip_buffer_put_64(buffer, offset); + _zip_buffer_put(buffer, EOCD64LOC_MAGIC, 4); + _zip_buffer_put_32(buffer, 0); + _zip_buffer_put_64(buffer, offset+size); + _zip_buffer_put_32(buffer, 1); + } + + _zip_buffer_put(buffer, EOCD_MAGIC, 4); + _zip_buffer_put_32(buffer, 0); + _zip_buffer_put_16(buffer, (zip_uint16_t)(survivors >= ZIP_UINT16_MAX ? ZIP_UINT16_MAX : survivors)); + _zip_buffer_put_16(buffer, (zip_uint16_t)(survivors >= ZIP_UINT16_MAX ? ZIP_UINT16_MAX : survivors)); + _zip_buffer_put_32(buffer, size >= ZIP_UINT32_MAX ? ZIP_UINT32_MAX : (zip_uint32_t)size); + _zip_buffer_put_32(buffer, offset >= ZIP_UINT32_MAX ? ZIP_UINT32_MAX : (zip_uint32_t)offset); + + comment = za->comment_changed ? za->comment_changes : za->comment_orig; + + _zip_buffer_put_16(buffer, (zip_uint16_t)(comment ? comment->length : 0)); + + if (!_zip_buffer_ok(buffer)) { + zip_error_set(&za->error, ZIP_ER_INTERNAL, 0); + _zip_buffer_free(buffer); + return -1; + } + + if (_zip_write(za, _zip_buffer_data(buffer), _zip_buffer_offset(buffer)) < 0) { + _zip_buffer_free(buffer); + return -1; + } + + _zip_buffer_free(buffer); + + if (comment) { + if (_zip_write(za, comment->raw, comment->length) < 0) { + return -1; + } + } + + return (zip_int64_t)size; +} + + +zip_dirent_t * +_zip_dirent_clone(const zip_dirent_t *sde) +{ + zip_dirent_t *tde; + + if ((tde=(zip_dirent_t *)malloc(sizeof(*tde))) == NULL) + return NULL; + + if (sde) + memcpy(tde, sde, sizeof(*sde)); + else + _zip_dirent_init(tde); + + tde->changed = 0; + tde->cloned = 1; + + return tde; +} + + +void +_zip_dirent_finalize(zip_dirent_t *zde) +{ + if (!zde->cloned || zde->changed & ZIP_DIRENT_FILENAME) { + _zip_string_free(zde->filename); + zde->filename = NULL; + } + if (!zde->cloned || zde->changed & ZIP_DIRENT_EXTRA_FIELD) { + _zip_ef_free(zde->extra_fields); + zde->extra_fields = NULL; + } + if (!zde->cloned || zde->changed & ZIP_DIRENT_COMMENT) { + _zip_string_free(zde->comment); + zde->comment = NULL; + } +} + + +void +_zip_dirent_free(zip_dirent_t *zde) +{ + if (zde == NULL) + return; + + _zip_dirent_finalize(zde); + free(zde); +} + + +void +_zip_dirent_init(zip_dirent_t *de) +{ + de->changed = 0; + de->local_extra_fields_read = 0; + de->cloned = 0; + + de->version_madeby = 20 | (ZIP_OPSYS_DEFAULT << 8); + de->version_needed = 20; /* 2.0 */ + de->bitflags = 0; + de->comp_method = ZIP_CM_DEFAULT; + de->last_mod = 0; + de->crc = 0; + de->comp_size = 0; + de->uncomp_size = 0; + de->filename = NULL; + de->extra_fields = NULL; + de->comment = NULL; + de->disk_number = 0; + de->int_attrib = 0; + de->ext_attrib = ZIP_EXT_ATTRIB_DEFAULT; + de->offset = 0; +} + + +bool +_zip_dirent_needs_zip64(const zip_dirent_t *de, zip_flags_t flags) +{ + if (de->uncomp_size >= ZIP_UINT32_MAX || de->comp_size >= ZIP_UINT32_MAX + || ((flags & ZIP_FL_CENTRAL) && de->offset >= ZIP_UINT32_MAX)) + return true; + + return false; +} + + +zip_dirent_t * +_zip_dirent_new(void) +{ + zip_dirent_t *de; + + if ((de=(zip_dirent_t *)malloc(sizeof(*de))) == NULL) + return NULL; + + _zip_dirent_init(de); + return de; +} + + +/* _zip_dirent_read(zde, fp, bufp, left, localp, error): + Fills the zip directory entry zde. + + If buffer is non-NULL, data is taken from there; otherwise data is read from fp as needed. + + If local is true, it reads a local header instead of a central directory entry. + + Returns size of dirent read if successful. On error, error is filled in and -1 is returned. +*/ + +zip_int64_t +_zip_dirent_read(zip_dirent_t *zde, zip_source_t *src, zip_buffer_t *buffer, bool local, zip_error_t *error) +{ + zip_uint8_t buf[CDENTRYSIZE]; + zip_uint16_t dostime, dosdate; + zip_uint32_t size, variable_size; + zip_uint16_t filename_len, comment_len, ef_len; + + bool from_buffer = (buffer != NULL); + + size = local ? LENTRYSIZE : CDENTRYSIZE; + + if (buffer) { + if (_zip_buffer_left(buffer) < size) { + zip_error_set(error, ZIP_ER_NOZIP, 0); + return -1; + } + } + else { + if ((buffer = _zip_buffer_new_from_source(src, size, buf, error)) == NULL) { + return -1; + } + } + + if (memcmp(_zip_buffer_get(buffer, 4), (local ? LOCAL_MAGIC : CENTRAL_MAGIC), 4) != 0) { + zip_error_set(error, ZIP_ER_NOZIP, 0); + if (!from_buffer) { + _zip_buffer_free(buffer); + } + return -1; + } + + /* convert buffercontents to zip_dirent */ + + _zip_dirent_init(zde); + if (!local) + zde->version_madeby = _zip_buffer_get_16(buffer); + else + zde->version_madeby = 0; + zde->version_needed = _zip_buffer_get_16(buffer); + zde->bitflags = _zip_buffer_get_16(buffer); + zde->comp_method = _zip_buffer_get_16(buffer); + + /* convert to time_t */ + dostime = _zip_buffer_get_16(buffer); + dosdate = _zip_buffer_get_16(buffer); + zde->last_mod = _zip_d2u_time(dostime, dosdate); + + zde->crc = _zip_buffer_get_32(buffer); + zde->comp_size = _zip_buffer_get_32(buffer); + zde->uncomp_size = _zip_buffer_get_32(buffer); + + filename_len = _zip_buffer_get_16(buffer); + ef_len = _zip_buffer_get_16(buffer); + + if (local) { + comment_len = 0; + zde->disk_number = 0; + zde->int_attrib = 0; + zde->ext_attrib = 0; + zde->offset = 0; + } else { + comment_len = _zip_buffer_get_16(buffer); + zde->disk_number = _zip_buffer_get_16(buffer); + zde->int_attrib = _zip_buffer_get_16(buffer); + zde->ext_attrib = _zip_buffer_get_32(buffer); + zde->offset = _zip_buffer_get_32(buffer); + } + + if (!_zip_buffer_ok(buffer)) { + zip_error_set(error, ZIP_ER_INTERNAL, 0); + if (!from_buffer) { + _zip_buffer_free(buffer); + } + return -1; + } + + zde->filename = NULL; + zde->extra_fields = NULL; + zde->comment = NULL; + + variable_size = (zip_uint32_t)filename_len+(zip_uint32_t)ef_len+(zip_uint32_t)comment_len; + + if (from_buffer) { + if (_zip_buffer_left(buffer) < variable_size) { + zip_error_set(error, ZIP_ER_INCONS, 0); + return -1; + } + } + else { + _zip_buffer_free(buffer); + + if ((buffer = _zip_buffer_new_from_source(src, variable_size, NULL, error)) == NULL) { + return -1; + } + } + + if (filename_len) { + zde->filename = _zip_read_string(buffer, src, filename_len, 1, error); + if (!zde->filename) { + if (zip_error_code_zip(error) == ZIP_ER_EOF) { + zip_error_set(error, ZIP_ER_INCONS, 0); + } + if (!from_buffer) { + _zip_buffer_free(buffer); + } + return -1; + } + + if (zde->bitflags & ZIP_GPBF_ENCODING_UTF_8) { + if (_zip_guess_encoding(zde->filename, ZIP_ENCODING_UTF8_KNOWN) == ZIP_ENCODING_ERROR) { + zip_error_set(error, ZIP_ER_INCONS, 0); + if (!from_buffer) { + _zip_buffer_free(buffer); + } + return -1; + } + } + } + + if (ef_len) { + zip_uint8_t *ef = _zip_read_data(buffer, src, ef_len, 0, error); + + if (ef == NULL) { + if (!from_buffer) { + _zip_buffer_free(buffer); + } + return -1; + } + if (!_zip_ef_parse(ef, ef_len, local ? ZIP_EF_LOCAL : ZIP_EF_CENTRAL, &zde->extra_fields, error)) { + free(ef); + if (!from_buffer) { + _zip_buffer_free(buffer); + } + return -1; + } + free(ef); + if (local) + zde->local_extra_fields_read = 1; + } + + if (comment_len) { + zde->comment = _zip_read_string(buffer, src, comment_len, 0, error); + if (!zde->comment) { + if (!from_buffer) { + _zip_buffer_free(buffer); + } + return -1; + } + if (zde->bitflags & ZIP_GPBF_ENCODING_UTF_8) { + if (_zip_guess_encoding(zde->comment, ZIP_ENCODING_UTF8_KNOWN) == ZIP_ENCODING_ERROR) { + zip_error_set(error, ZIP_ER_INCONS, 0); + if (!from_buffer) { + _zip_buffer_free(buffer); + } + return -1; + } + } + } + + zde->filename = _zip_dirent_process_ef_utf_8(zde, ZIP_EF_UTF_8_NAME, zde->filename); + zde->comment = _zip_dirent_process_ef_utf_8(zde, ZIP_EF_UTF_8_COMMENT, zde->comment); + + /* Zip64 */ + + if (zde->uncomp_size == ZIP_UINT32_MAX || zde->comp_size == ZIP_UINT32_MAX || zde->offset == ZIP_UINT32_MAX) { + zip_uint16_t got_len; + zip_buffer_t *ef_buffer; + const zip_uint8_t *ef = _zip_ef_get_by_id(zde->extra_fields, &got_len, ZIP_EF_ZIP64, 0, local ? ZIP_EF_LOCAL : ZIP_EF_CENTRAL, error); + /* TODO: if got_len == 0 && !ZIP64_EOCD: no error, 0xffffffff is valid value */ + if (ef == NULL) { + if (!from_buffer) { + _zip_buffer_free(buffer); + } + return -1; + } + + if ((ef_buffer = _zip_buffer_new((zip_uint8_t *)ef, got_len)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + if (!from_buffer) { + _zip_buffer_free(buffer); + } + return -1; + } + + if (zde->uncomp_size == ZIP_UINT32_MAX) + zde->uncomp_size = _zip_buffer_get_64(ef_buffer); + else if (local) { + /* From appnote.txt: This entry in the Local header MUST + include BOTH original and compressed file size fields. */ + (void)_zip_buffer_skip(ef_buffer, 8); /* error is caught by _zip_buffer_eof() call */ + } + if (zde->comp_size == ZIP_UINT32_MAX) + zde->comp_size = _zip_buffer_get_64(ef_buffer); + if (!local) { + if (zde->offset == ZIP_UINT32_MAX) + zde->offset = _zip_buffer_get_64(ef_buffer); + if (zde->disk_number == ZIP_UINT16_MAX) + zde->disk_number = _zip_buffer_get_32(buffer); + } + + if (!_zip_buffer_eof(ef_buffer)) { + zip_error_set(error, ZIP_ER_INCONS, 0); + _zip_buffer_free(ef_buffer); + if (!from_buffer) { + _zip_buffer_free(buffer); + } + return -1; + } + _zip_buffer_free(ef_buffer); + } + + if (!_zip_buffer_ok(buffer)) { + zip_error_set(error, ZIP_ER_INTERNAL, 0); + if (!from_buffer) { + _zip_buffer_free(buffer); + } + return -1; + } + if (!from_buffer) { + _zip_buffer_free(buffer); + } + + /* zip_source_seek / zip_source_tell don't support values > ZIP_INT64_MAX */ + if (zde->offset > ZIP_INT64_MAX) { + zip_error_set(error, ZIP_ER_SEEK, EFBIG); + return -1; + } + + zde->extra_fields = _zip_ef_remove_internal(zde->extra_fields); + + return (zip_int64_t)(size + variable_size); +} + + +static zip_string_t * +_zip_dirent_process_ef_utf_8(const zip_dirent_t *de, zip_uint16_t id, zip_string_t *str) +{ + zip_uint16_t ef_len; + zip_uint32_t ef_crc; + zip_buffer_t *buffer; + + const zip_uint8_t *ef = _zip_ef_get_by_id(de->extra_fields, &ef_len, id, 0, ZIP_EF_BOTH, NULL); + + if (ef == NULL || ef_len < 5 || ef[0] != 1) { + return str; + } + + if ((buffer = _zip_buffer_new((zip_uint8_t *)ef, ef_len)) == NULL) { + return str; + } + + _zip_buffer_get_8(buffer); + ef_crc = _zip_buffer_get_32(buffer); + + if (_zip_string_crc32(str) == ef_crc) { + zip_uint16_t len = (zip_uint16_t)_zip_buffer_left(buffer); + zip_string_t *ef_str = _zip_string_new(_zip_buffer_get(buffer, len), len, ZIP_FL_ENC_UTF_8, NULL); + + if (ef_str != NULL) { + _zip_string_free(str); + str = ef_str; + } + } + + _zip_buffer_free(buffer); + + return str; +} + + +zip_int32_t +_zip_dirent_size(zip_source_t *src, zip_uint16_t flags, zip_error_t *error) +{ + zip_int32_t size; + bool local = (flags & ZIP_EF_LOCAL) != 0; + int i; + zip_uint8_t b[6]; + zip_buffer_t *buffer; + + size = local ? LENTRYSIZE : CDENTRYSIZE; + + if (zip_source_seek(src, local ? 26 : 28, SEEK_CUR) < 0) { + _zip_error_set_from_source(error, src); + return -1; + } + + if ((buffer = _zip_buffer_new_from_source(src, local ? 4 : 6, b, error)) == NULL) { + return -1; + } + + for (i=0; i<(local ? 2 : 3); i++) { + size += _zip_buffer_get_16(buffer); + } + + if (!_zip_buffer_eof(buffer)) { + zip_error_set(error, ZIP_ER_INTERNAL, 0); + _zip_buffer_free(buffer); + return -1; + } + + _zip_buffer_free(buffer); + return size; +} + + +/* _zip_dirent_write + Writes zip directory entry. + + If flags & ZIP_EF_LOCAL, it writes a local header instead of a central + directory entry. If flags & ZIP_EF_FORCE_ZIP64, a ZIP64 extra field is written, even if not needed. + + Returns 0 if successful, 1 if successful and wrote ZIP64 extra field. On error, error is filled in and -1 is + returned. +*/ + +int +_zip_dirent_write(zip_t *za, zip_dirent_t *de, zip_flags_t flags) +{ + zip_uint16_t dostime, dosdate; + zip_encoding_type_t com_enc, name_enc; + zip_extra_field_t *ef; + zip_extra_field_t *ef64; + zip_uint32_t ef_total_size; + bool is_zip64; + bool is_really_zip64; + zip_uint8_t buf[CDENTRYSIZE]; + zip_buffer_t *buffer; + + ef = NULL; + + name_enc = _zip_guess_encoding(de->filename, ZIP_ENCODING_UNKNOWN); + com_enc = _zip_guess_encoding(de->comment, ZIP_ENCODING_UNKNOWN); + + if ((name_enc == ZIP_ENCODING_UTF8_KNOWN && com_enc == ZIP_ENCODING_ASCII) || + (name_enc == ZIP_ENCODING_ASCII && com_enc == ZIP_ENCODING_UTF8_KNOWN) || + (name_enc == ZIP_ENCODING_UTF8_KNOWN && com_enc == ZIP_ENCODING_UTF8_KNOWN)) + de->bitflags |= ZIP_GPBF_ENCODING_UTF_8; + else { + de->bitflags &= (zip_uint16_t)~ZIP_GPBF_ENCODING_UTF_8; + if (name_enc == ZIP_ENCODING_UTF8_KNOWN) { + ef = _zip_ef_utf8(ZIP_EF_UTF_8_NAME, de->filename, &za->error); + if (ef == NULL) + return -1; + } + if ((flags & ZIP_FL_LOCAL) == 0 && com_enc == ZIP_ENCODING_UTF8_KNOWN){ + zip_extra_field_t *ef2 = _zip_ef_utf8(ZIP_EF_UTF_8_COMMENT, de->comment, &za->error); + if (ef2 == NULL) { + _zip_ef_free(ef); + return -1; + } + ef2->next = ef; + ef = ef2; + } + } + + is_really_zip64 = _zip_dirent_needs_zip64(de, flags); + is_zip64 = (flags & (ZIP_FL_LOCAL|ZIP_FL_FORCE_ZIP64)) == (ZIP_FL_LOCAL|ZIP_FL_FORCE_ZIP64) || is_really_zip64; + + if (is_zip64) { + zip_uint8_t ef_zip64[EFZIP64SIZE]; + zip_buffer_t *ef_buffer = _zip_buffer_new(ef_zip64, sizeof(ef_zip64)); + if (ef_buffer == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + _zip_ef_free(ef); + return -1; + } + + if (flags & ZIP_FL_LOCAL) { + if ((flags & ZIP_FL_FORCE_ZIP64) || de->comp_size > ZIP_UINT32_MAX || de->uncomp_size > ZIP_UINT32_MAX) { + _zip_buffer_put_64(ef_buffer, de->uncomp_size); + _zip_buffer_put_64(ef_buffer, de->comp_size); + } + } + else { + if ((flags & ZIP_FL_FORCE_ZIP64) || de->comp_size > ZIP_UINT32_MAX || de->uncomp_size > ZIP_UINT32_MAX || de->offset > ZIP_UINT32_MAX) { + if (de->uncomp_size >= ZIP_UINT32_MAX) { + _zip_buffer_put_64(ef_buffer, de->uncomp_size); + } + if (de->comp_size >= ZIP_UINT32_MAX) { + _zip_buffer_put_64(ef_buffer, de->comp_size); + } + if (de->offset >= ZIP_UINT32_MAX) { + _zip_buffer_put_64(ef_buffer, de->offset); + } + } + } + + if (!_zip_buffer_ok(ef_buffer)) { + zip_error_set(&za->error, ZIP_ER_INTERNAL, 0); + _zip_buffer_free(ef_buffer); + _zip_ef_free(ef); + return -1; + } + + ef64 = _zip_ef_new(ZIP_EF_ZIP64, (zip_uint16_t)(_zip_buffer_offset(ef_buffer)), ef_zip64, ZIP_EF_BOTH); + _zip_buffer_free(ef_buffer); + ef64->next = ef; + ef = ef64; + } + + if ((buffer = _zip_buffer_new(buf, sizeof(buf))) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + _zip_ef_free(ef); + return -1; + } + + _zip_buffer_put(buffer, (flags & ZIP_FL_LOCAL) ? LOCAL_MAGIC : CENTRAL_MAGIC, 4); + + if ((flags & ZIP_FL_LOCAL) == 0) { + _zip_buffer_put_16(buffer, (zip_uint16_t)(is_really_zip64 ? 45 : de->version_madeby)); + } + _zip_buffer_put_16(buffer, (zip_uint16_t)(is_really_zip64 ? 45 : de->version_needed)); + _zip_buffer_put_16(buffer, de->bitflags&0xfff9); /* clear compression method specific flags */ + _zip_buffer_put_16(buffer, (zip_uint16_t)de->comp_method); + + _zip_u2d_time(de->last_mod, &dostime, &dosdate); + _zip_buffer_put_16(buffer, dostime); + _zip_buffer_put_16(buffer, dosdate); + + _zip_buffer_put_32(buffer, de->crc); + + if (((flags & ZIP_FL_LOCAL) == ZIP_FL_LOCAL) && ((de->comp_size >= ZIP_UINT32_MAX) || (de->uncomp_size >= ZIP_UINT32_MAX))) { + /* In local headers, if a ZIP64 EF is written, it MUST contain + * both compressed and uncompressed sizes (even if one of the + * two is smaller than 0xFFFFFFFF); on the other hand, those + * may only appear when the corresponding standard entry is + * 0xFFFFFFFF. (appnote.txt 4.5.3) */ + _zip_buffer_put_32(buffer, ZIP_UINT32_MAX); + _zip_buffer_put_32(buffer, ZIP_UINT32_MAX); + } + else { + if (de->comp_size < ZIP_UINT32_MAX) { + _zip_buffer_put_32(buffer, (zip_uint32_t)de->comp_size); + } + else { + _zip_buffer_put_32(buffer, ZIP_UINT32_MAX); + } + if (de->uncomp_size < ZIP_UINT32_MAX) { + _zip_buffer_put_32(buffer, (zip_uint32_t)de->uncomp_size); + } + else { + _zip_buffer_put_32(buffer, ZIP_UINT32_MAX); + } + } + + _zip_buffer_put_16(buffer, _zip_string_length(de->filename)); + /* TODO: check for overflow */ + ef_total_size = (zip_uint32_t)_zip_ef_size(de->extra_fields, flags) + (zip_uint32_t)_zip_ef_size(ef, ZIP_EF_BOTH); + _zip_buffer_put_16(buffer, (zip_uint16_t)ef_total_size); + + if ((flags & ZIP_FL_LOCAL) == 0) { + _zip_buffer_put_16(buffer, _zip_string_length(de->comment)); + _zip_buffer_put_16(buffer, (zip_uint16_t)de->disk_number); + _zip_buffer_put_16(buffer, de->int_attrib); + _zip_buffer_put_32(buffer, de->ext_attrib); + if (de->offset < ZIP_UINT32_MAX) + _zip_buffer_put_32(buffer, (zip_uint32_t)de->offset); + else + _zip_buffer_put_32(buffer, ZIP_UINT32_MAX); + } + + if (!_zip_buffer_ok(buffer)) { + zip_error_set(&za->error, ZIP_ER_INTERNAL, 0); + _zip_buffer_free(buffer); + _zip_ef_free(ef); + return -1; + } + + if (_zip_write(za, buf, _zip_buffer_offset(buffer)) < 0) { + _zip_buffer_free(buffer); + _zip_ef_free(ef); + return -1; + } + + _zip_buffer_free(buffer); + + if (de->filename) { + if (_zip_string_write(za, de->filename) < 0) { + _zip_ef_free(ef); + return -1; + } + } + + if (ef) { + if (_zip_ef_write(za, ef, ZIP_EF_BOTH) < 0) { + _zip_ef_free(ef); + return -1; + } + } + _zip_ef_free(ef); + if (de->extra_fields) { + if (_zip_ef_write(za, de->extra_fields, flags) < 0) { + return -1; + } + } + + if ((flags & ZIP_FL_LOCAL) == 0) { + if (de->comment) { + if (_zip_string_write(za, de->comment) < 0) { + return -1; + } + } + } + + + return is_zip64; +} + + +static time_t +_zip_d2u_time(zip_uint16_t dtime, zip_uint16_t ddate) +{ + struct tm tm; + + memset(&tm, 0, sizeof(tm)); + + /* let mktime decide if DST is in effect */ + tm.tm_isdst = -1; + + tm.tm_year = ((ddate>>9)&127) + 1980 - 1900; + tm.tm_mon = ((ddate>>5)&15) - 1; + tm.tm_mday = ddate&31; + + tm.tm_hour = (dtime>>11)&31; + tm.tm_min = (dtime>>5)&63; + tm.tm_sec = (dtime<<1)&62; + + return mktime(&tm); +} + + +static zip_extra_field_t * +_zip_ef_utf8(zip_uint16_t id, zip_string_t *str, zip_error_t *error) +{ + const zip_uint8_t *raw; + zip_uint32_t len; + zip_buffer_t *buffer; + zip_extra_field_t *ef; + + if ((raw=_zip_string_get(str, &len, ZIP_FL_ENC_RAW, NULL)) == NULL) { + /* error already set */ + return NULL; + } + + if (len+5 > ZIP_UINT16_MAX) { + zip_error_set(error, ZIP_ER_INVAL, 0); /* TODO: better error code? */ + return NULL; + } + + if ((buffer = _zip_buffer_new(NULL, len+5)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + _zip_buffer_put_8(buffer, 1); + _zip_buffer_put_32(buffer, _zip_string_crc32(str)); + _zip_buffer_put(buffer, raw, len); + + if (!_zip_buffer_ok(buffer)) { + zip_error_set(error, ZIP_ER_INTERNAL, 0); + _zip_buffer_free(buffer); + return NULL; + } + + ef = _zip_ef_new(id, (zip_uint16_t)(_zip_buffer_offset(buffer)), _zip_buffer_data(buffer), ZIP_EF_BOTH); + _zip_buffer_free(buffer); + + return ef; +} + + +zip_dirent_t * +_zip_get_dirent(zip_t *za, zip_uint64_t idx, zip_flags_t flags, zip_error_t *error) +{ + if (error == NULL) + error = &za->error; + + if (idx >= za->nentry) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + if ((flags & ZIP_FL_UNCHANGED) || za->entry[idx].changes == NULL) { + if (za->entry[idx].orig == NULL) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + if (za->entry[idx].deleted && (flags & ZIP_FL_UNCHANGED) == 0) { + zip_error_set(error, ZIP_ER_DELETED, 0); + return NULL; + } + return za->entry[idx].orig; + } + else + return za->entry[idx].changes; +} + + + + +void +_zip_u2d_time(time_t intime, zip_uint16_t *dtime, zip_uint16_t *ddate) +{ + struct tm *tm; + + tm = localtime(&intime); + if (tm->tm_year < 80) { + tm->tm_year = 80; + } + + *ddate = (zip_uint16_t)(((tm->tm_year+1900-1980)<<9) + ((tm->tm_mon+1)<<5) + tm->tm_mday); + *dtime = (zip_uint16_t)(((tm->tm_hour)<<11) + ((tm->tm_min)<<5) + ((tm->tm_sec)>>1)); + + return; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_discard.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,79 @@ +/* + zip_discard.c -- discard and free struct zip + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +/* zip_discard: + frees the space allocated to a zipfile struct, and closes the + corresponding file. */ + +void +zip_discard(zip_t *za) +{ + zip_uint64_t i; + + if (za == NULL) + return; + + if (za->src) { + zip_source_close(za->src); + zip_source_free(za->src); + } + + free(za->default_password); + _zip_string_free(za->comment_orig); + _zip_string_free(za->comment_changes); + + _zip_hash_free(za->names); + + if (za->entry) { + for (i=0; i<za->nentry; i++) + _zip_entry_finalize(za->entry+i); + free(za->entry); + } + + for (i=0; i<za->nopen_source; i++) { + _zip_source_invalidate(za->open_source[i]); + } + free(za->open_source); + + zip_error_fini(&za->error); + + free(za); + + return; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_entry.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,53 @@ +/* + zip_entry.c -- struct zip_entry helper functions + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + +void +_zip_entry_finalize(zip_entry_t *e) +{ + _zip_unchange_data(e); + _zip_dirent_free(e->orig); + _zip_dirent_free(e->changes); +} + + +void +_zip_entry_init(zip_entry_t *e) +{ + e->orig = NULL; + e->changes = NULL; + e->source = NULL; + e->deleted = 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_err_str.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,80 @@ +/* + This file was generated automatically by ./make_zip_err_str.sh + from ./zip.h; make changes there. + */ + +#include "zipint.h" + +const char * const _zip_err_str[] = { + "No error", + "Multi-disk zip archives not supported", + "Renaming temporary file failed", + "Closing zip archive failed", + "Seek error", + "Read error", + "Write error", + "CRC error", + "Containing zip archive was closed", + "No such file", + "File already exists", + "Can't open file", + "Failure to create temporary file", + "Zlib error", + "Malloc failure", + "Entry has been changed", + "Compression method not supported", + "Premature end of file", + "Invalid argument", + "Not a zip archive", + "Internal error", + "Zip archive inconsistent", + "Can't remove file", + "Entry has been deleted", + "Encryption method not supported", + "Read-only archive", + "No password provided", + "Wrong password provided", + "Operation not supported", + "Resource still in use", + "Tell error", +}; + +const int _zip_nerr_str = sizeof(_zip_err_str)/sizeof(_zip_err_str[0]); + +#define N ZIP_ET_NONE +#define S ZIP_ET_SYS +#define Z ZIP_ET_ZLIB + +const int _zip_err_type[] = { + N, + N, + S, + S, + S, + S, + S, + N, + N, + N, + N, + S, + S, + Z, + N, + N, + N, + N, + N, + N, + N, + N, + S, + N, + N, + N, + N, + N, + N, + N, + S, +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_error.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,155 @@ +/* + zip_error.c -- zip_error_t helper functions + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include <stdlib.h> + +#include "zipint.h" + + +ZIP_EXTERN int +zip_error_code_system(const zip_error_t *error) { + return error->sys_err; +} + + +ZIP_EXTERN int +zip_error_code_zip(const zip_error_t *error) { + return error->zip_err; +} + + +ZIP_EXTERN void +zip_error_fini(zip_error_t *err) +{ + free(err->str); + err->str = NULL; +} + + +ZIP_EXTERN void +zip_error_init(zip_error_t *err) +{ + err->zip_err = ZIP_ER_OK; + err->sys_err = 0; + err->str = NULL; +} + +ZIP_EXTERN void +zip_error_init_with_code(zip_error_t *error, int ze) +{ + zip_error_init(error); + error->zip_err = ze; + switch (zip_error_system_type(error)) { + case ZIP_ET_SYS: + error->sys_err = errno; + break; + + default: + error->sys_err = 0; + break; + } +} + + +ZIP_EXTERN int +zip_error_system_type(const zip_error_t *error) { + if (error->zip_err < 0 || error->zip_err >= _zip_nerr_str) + return ZIP_ET_NONE; + + return _zip_err_type[error->zip_err]; +} + + +void +_zip_error_clear(zip_error_t *err) +{ + if (err == NULL) + return; + + err->zip_err = ZIP_ER_OK; + err->sys_err = 0; +} + + +void +_zip_error_copy(zip_error_t *dst, const zip_error_t *src) +{ + dst->zip_err = src->zip_err; + dst->sys_err = src->sys_err; +} + + +void +_zip_error_get(const zip_error_t *err, int *zep, int *sep) +{ + if (zep) + *zep = err->zip_err; + if (sep) { + if (zip_error_system_type(err) != ZIP_ET_NONE) + *sep = err->sys_err; + else + *sep = 0; + } +} + + +void +zip_error_set(zip_error_t *err, int ze, int se) +{ + if (err) { + err->zip_err = ze; + err->sys_err = se; + } +} + + +void +_zip_error_set_from_source(zip_error_t *err, zip_source_t *src) +{ + _zip_error_copy(err, zip_source_error(src)); +} + + +zip_int64_t +zip_error_to_data(const zip_error_t *error, void *data, zip_uint64_t length) +{ + int *e = (int *)data; + + if (length < sizeof(int)*2) { + return -1; + } + + e[0] = zip_error_code_zip(error); + e[1] = zip_error_code_system(error); + return sizeof(int)*2; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_error_clear.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,45 @@ +/* + zip_error_clear.c -- clear zip error + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN void +zip_error_clear(zip_t *za) +{ + if (za == NULL) + return; + + _zip_error_clear(&za->error); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_error_get.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,57 @@ +/* + zip_error_get.c -- get zip error + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#define _ZIP_COMPILING_DEPRECATED +#include "zipint.h" + + +ZIP_EXTERN void +zip_error_get(zip_t *za, int *zep, int *sep) +{ + _zip_error_get(&za->error, zep, sep); +} + + +ZIP_EXTERN zip_error_t * +zip_get_error(zip_t *za) +{ + return &za->error; +} + + +ZIP_EXTERN zip_error_t * +zip_file_get_error(zip_file_t *f) +{ + return &f->error; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_error_get_sys_type.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,45 @@ +/* + zip_error_get_sys_type.c -- return type of system error code + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#define _ZIP_COMPILING_DEPRECATED +#include "zipint.h" + + +ZIP_EXTERN int +zip_error_get_sys_type(int ze) +{ + if (ze < 0 || ze >= _zip_nerr_str) + return 0; + + return _zip_err_type[ze]; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_error_strerror.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,87 @@ +/* + zip_error_sterror.c -- get string representation of struct zip_error + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + + +ZIP_EXTERN const char * +zip_error_strerror(zip_error_t *err) +{ + const char *zs, *ss; + char buf[128], *s; + + zip_error_fini(err); + + if (err->zip_err < 0 || err->zip_err >= _zip_nerr_str) { + sprintf(buf, "Unknown error %d", err->zip_err); + zs = NULL; + ss = buf; + } + else { + zs = _zip_err_str[err->zip_err]; + + switch (_zip_err_type[err->zip_err]) { + case ZIP_ET_SYS: + ss = strerror(err->sys_err); + break; + + case ZIP_ET_ZLIB: + ss = zError(err->sys_err); + break; + + default: + ss = NULL; + } + } + + if (ss == NULL) + return zs; + else { + if ((s=(char *)malloc(strlen(ss) + + (zs ? strlen(zs)+2 : 0) + 1)) == NULL) + return _zip_err_str[ZIP_ER_MEMORY]; + + sprintf(s, "%s%s%s", + (zs ? zs : ""), + (zs ? ": " : ""), + ss); + err->str = s; + + return s; + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_error_to_str.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,68 @@ +/* + zip_error_to_str.c -- get string representation of zip error code + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#define _ZIP_COMPILING_DEPRECATED +#include "zipint.h" + + +ZIP_EXTERN int +zip_error_to_str(char *buf, zip_uint64_t len, int ze, int se) +{ + const char *zs, *ss; + + if (ze < 0 || ze >= _zip_nerr_str) + return snprintf(buf, len, "Unknown error %d", ze); + + zs = _zip_err_str[ze]; + + switch (_zip_err_type[ze]) { + case ZIP_ET_SYS: + ss = strerror(se); + break; + + case ZIP_ET_ZLIB: + ss = zError(se); + break; + + default: + ss = NULL; + } + + return snprintf(buf, len, "%s%s%s", + zs, (ss ? ": " : ""), (ss ? ss : "")); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_extra_field.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,438 @@ +/* + zip_extra_field.c -- manipulate extra fields + Copyright (C) 2012-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + + +zip_extra_field_t * +_zip_ef_clone(const zip_extra_field_t *ef, zip_error_t *error) +{ + zip_extra_field_t *head, *prev, *def; + + head = prev = NULL; + + while (ef) { + if ((def=_zip_ef_new(ef->id, ef->size, ef->data, ef->flags)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + _zip_ef_free(head); + return NULL; + } + + if (head == NULL) + head = def; + if (prev) + prev->next = def; + prev = def; + + ef = ef->next; + } + + return head; +} + + +zip_extra_field_t * +_zip_ef_delete_by_id(zip_extra_field_t *ef, zip_uint16_t id, zip_uint16_t id_idx, zip_flags_t flags) +{ + zip_extra_field_t *head, *prev; + int i; + + i = 0; + head = ef; + prev = NULL; + for (; ef; ef=(prev ? prev->next : head)) { + if ((ef->flags & flags & ZIP_EF_BOTH) && ((ef->id == id) || (id == ZIP_EXTRA_FIELD_ALL))) { + if (id_idx == ZIP_EXTRA_FIELD_ALL || i == id_idx) { + ef->flags &= ~(flags & ZIP_EF_BOTH); + if ((ef->flags & ZIP_EF_BOTH) == 0) { + if (prev) + prev->next = ef->next; + else + head = ef->next; + ef->next = NULL; + _zip_ef_free(ef); + + if (id_idx == ZIP_EXTRA_FIELD_ALL) + continue; + } + } + + i++; + if (i > id_idx) + break; + } + prev = ef; + } + + return head; +} + + + +void +_zip_ef_free(zip_extra_field_t *ef) +{ + zip_extra_field_t *ef2; + + while (ef) { + ef2 = ef->next; + free(ef->data); + free(ef); + ef = ef2; + } +} + + +const zip_uint8_t * +_zip_ef_get_by_id(const zip_extra_field_t *ef, zip_uint16_t *lenp, zip_uint16_t id, zip_uint16_t id_idx, zip_flags_t flags, zip_error_t *error) +{ + static const zip_uint8_t empty[1] = { '\0' }; + + int i; + + i = 0; + for (; ef; ef=ef->next) { + if (ef->id == id && (ef->flags & flags & ZIP_EF_BOTH)) { + if (i < id_idx) { + i++; + continue; + } + + if (lenp) + *lenp = ef->size; + if (ef->size > 0) + return ef->data; + else + return empty; + } + } + + zip_error_set(error, ZIP_ER_NOENT, 0); + return NULL; +} + + +zip_extra_field_t * +_zip_ef_merge(zip_extra_field_t *to, zip_extra_field_t *from) +{ + zip_extra_field_t *ef2, *tt, *tail; + int duplicate; + + if (to == NULL) + return from; + + for (tail=to; tail->next; tail=tail->next) + ; + + for (; from; from=ef2) { + ef2 = from->next; + + duplicate = 0; + for (tt=to; tt; tt=tt->next) { + if (tt->id == from->id && tt->size == from->size && memcmp(tt->data, from->data, tt->size) == 0) { + tt->flags |= (from->flags & ZIP_EF_BOTH); + duplicate = 1; + break; + } + } + + from->next = NULL; + if (duplicate) + _zip_ef_free(from); + else + tail = tail->next = from; + } + + return to; +} + + +zip_extra_field_t * +_zip_ef_new(zip_uint16_t id, zip_uint16_t size, const zip_uint8_t *data, zip_flags_t flags) +{ + zip_extra_field_t *ef; + + if ((ef=(zip_extra_field_t *)malloc(sizeof(*ef))) == NULL) + return NULL; + + ef->next = NULL; + ef->flags = flags; + ef->id = id; + ef->size = size; + if (size > 0) { + if ((ef->data=(zip_uint8_t *)_zip_memdup(data, size, NULL)) == NULL) { + free(ef); + return NULL; + } + } + else + ef->data = NULL; + + return ef; +} + + +bool +_zip_ef_parse(const zip_uint8_t *data, zip_uint16_t len, zip_flags_t flags, zip_extra_field_t **ef_head_p, zip_error_t *error) +{ + zip_buffer_t *buffer; + zip_extra_field_t *ef, *ef2, *ef_head; + + if ((buffer = _zip_buffer_new((zip_uint8_t *)data, len)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return false; + } + + ef_head = ef = NULL; + + while (_zip_buffer_ok(buffer) && _zip_buffer_left(buffer) >= 4) { + zip_uint16_t fid, flen; + zip_uint8_t *ef_data; + + fid = _zip_buffer_get_16(buffer); + flen = _zip_buffer_get_16(buffer); + ef_data = _zip_buffer_get(buffer, flen); + + if (ef_data == NULL) { + zip_error_set(error, ZIP_ER_INCONS, 0); + _zip_buffer_free(buffer); + _zip_ef_free(ef_head); + return false; + } + + if ((ef2=_zip_ef_new(fid, flen, ef_data, flags)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + _zip_buffer_free(buffer); + _zip_ef_free(ef_head); + return false; + } + + if (ef_head) { + ef->next = ef2; + ef = ef2; + } + else + ef_head = ef = ef2; + } + + if (!_zip_buffer_eof(buffer)) { + /* Android APK files align stored file data with padding in extra fields; ignore. */ + /* see https://android.googlesource.com/platform/build/+/master/tools/zipalign/ZipAlign.cpp */ + size_t glen = _zip_buffer_left(buffer); + zip_uint8_t *garbage; + garbage = _zip_buffer_get(buffer, glen); + if (glen >= 4 || garbage == NULL || memcmp(garbage, "\0\0\0", glen) != 0) { + zip_error_set(error, ZIP_ER_INCONS, 0); + _zip_buffer_free(buffer); + _zip_ef_free(ef_head); + return false; + } + } + + _zip_buffer_free(buffer); + + if (ef_head_p) { + *ef_head_p = ef_head; + } + else { + _zip_ef_free(ef_head); + } + + return true; +} + + +zip_extra_field_t * +_zip_ef_remove_internal(zip_extra_field_t *ef) +{ + zip_extra_field_t *ef_head; + zip_extra_field_t *prev, *next; + + ef_head = ef; + prev = NULL; + + while (ef) { + if (ZIP_EF_IS_INTERNAL(ef->id)) { + next = ef->next; + if (ef_head == ef) + ef_head = next; + ef->next = NULL; + _zip_ef_free(ef); + if (prev) + prev->next = next; + ef = next; + } + else { + prev = ef; + ef = ef->next; + } + } + + return ef_head; +} + + +zip_uint16_t +_zip_ef_size(const zip_extra_field_t *ef, zip_flags_t flags) +{ + zip_uint16_t size; + + size = 0; + for (; ef; ef=ef->next) { + if (ef->flags & flags & ZIP_EF_BOTH) + size = (zip_uint16_t)(size+4+ef->size); + } + + return size; +} + + +int +_zip_ef_write(zip_t *za, const zip_extra_field_t *ef, zip_flags_t flags) +{ + zip_uint8_t b[4]; + zip_buffer_t *buffer = _zip_buffer_new(b, sizeof(b)); + + if (buffer == NULL) { + return -1; + } + + for (; ef; ef=ef->next) { + if (ef->flags & flags & ZIP_EF_BOTH) { + _zip_buffer_set_offset(buffer, 0); + _zip_buffer_put_16(buffer, ef->id); + _zip_buffer_put_16(buffer, ef->size); + if (!_zip_buffer_ok(buffer)) { + zip_error_set(&za->error, ZIP_ER_INTERNAL, 0); + _zip_buffer_free(buffer); + return -1; + } + if (_zip_write(za, b, 4) < 0) { + _zip_buffer_free(buffer); + return -1; + } + if (ef->size > 0) { + if (_zip_write(za, ef->data, ef->size) < 0) { + _zip_buffer_free(buffer); + return -1; + } + } + } + } + + _zip_buffer_free(buffer); + return 0; +} + + +int +_zip_read_local_ef(zip_t *za, zip_uint64_t idx) +{ + zip_entry_t *e; + unsigned char b[4]; + zip_buffer_t *buffer; + zip_uint16_t fname_len, ef_len; + + if (idx >= za->nentry) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + e = za->entry+idx; + + if (e->orig == NULL || e->orig->local_extra_fields_read) + return 0; + + if (e->orig->offset + 26 > ZIP_INT64_MAX) { + zip_error_set(&za->error, ZIP_ER_SEEK, EFBIG); + return -1; + } + + if (zip_source_seek(za->src, (zip_int64_t)(e->orig->offset + 26), SEEK_SET) < 0) { + _zip_error_set_from_source(&za->error, za->src); + return -1; + } + + if ((buffer = _zip_buffer_new_from_source(za->src, sizeof(b), b, &za->error)) == NULL) { + return -1; + } + + fname_len = _zip_buffer_get_16(buffer); + ef_len = _zip_buffer_get_16(buffer); + + if (!_zip_buffer_eof(buffer)) { + _zip_buffer_free(buffer); + zip_error_set(&za->error, ZIP_ER_INTERNAL, 0); + return -1; + } + + _zip_buffer_free(buffer); + + if (ef_len > 0) { + zip_extra_field_t *ef; + zip_uint8_t *ef_raw; + + if (zip_source_seek(za->src, fname_len, SEEK_CUR) < 0) { + zip_error_set(&za->error, ZIP_ER_SEEK, errno); + return -1; + } + + ef_raw = _zip_read_data(NULL, za->src, ef_len, 0, &za->error); + + if (ef_raw == NULL) + return -1; + + if (!_zip_ef_parse(ef_raw, ef_len, ZIP_EF_LOCAL, &ef, &za->error)) { + free(ef_raw); + return -1; + } + free(ef_raw); + + if (ef) { + ef = _zip_ef_remove_internal(ef); + e->orig->extra_fields = _zip_ef_merge(e->orig->extra_fields, ef); + } + } + + e->orig->local_extra_fields_read = 1; + + if (e->changes && e->changes->local_extra_fields_read == 0) { + e->changes->extra_fields = e->orig->extra_fields; + e->changes->local_extra_fields_read = 1; + } + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_extra_field_api.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,366 @@ +/* + zip_extra_field_api.c -- public extra fields API functions + Copyright (C) 2012-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_file_extra_field_delete(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_idx, zip_flags_t flags) +{ + zip_dirent_t *de; + + if ((flags & ZIP_EF_BOTH) == 0) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (((flags & ZIP_EF_BOTH) == ZIP_EF_BOTH) && (ef_idx != ZIP_EXTRA_FIELD_ALL)) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (_zip_get_dirent(za, idx, 0, NULL) == NULL) + return -1; + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + if (_zip_file_extra_field_prepare_for_change(za, idx) < 0) + return -1; + + de = za->entry[idx].changes; + + de->extra_fields = _zip_ef_delete_by_id(de->extra_fields, ZIP_EXTRA_FIELD_ALL, ef_idx, flags); + return 0; +} + + +ZIP_EXTERN int +zip_file_extra_field_delete_by_id(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_id, zip_uint16_t ef_idx, zip_flags_t flags) +{ + zip_dirent_t *de; + + if ((flags & ZIP_EF_BOTH) == 0) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (((flags & ZIP_EF_BOTH) == ZIP_EF_BOTH) && (ef_idx != ZIP_EXTRA_FIELD_ALL)) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (_zip_get_dirent(za, idx, 0, NULL) == NULL) + return -1; + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + if (_zip_file_extra_field_prepare_for_change(za, idx) < 0) + return -1; + + de = za->entry[idx].changes; + + de->extra_fields = _zip_ef_delete_by_id(de->extra_fields, ef_id, ef_idx, flags); + return 0; +} + + +ZIP_EXTERN const zip_uint8_t * +zip_file_extra_field_get(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_idx, zip_uint16_t *idp, zip_uint16_t *lenp, zip_flags_t flags) +{ + static const zip_uint8_t empty[1] = { '\0' }; + + zip_dirent_t *de; + zip_extra_field_t *ef; + int i; + + if ((flags & ZIP_EF_BOTH) == 0) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return NULL; + } + + if ((de=_zip_get_dirent(za, idx, flags, &za->error)) == NULL) + return NULL; + + if (flags & ZIP_FL_LOCAL) + if (_zip_read_local_ef(za, idx) < 0) + return NULL; + + i = 0; + for (ef=de->extra_fields; ef; ef=ef->next) { + if (ef->flags & flags & ZIP_EF_BOTH) { + if (i < ef_idx) { + i++; + continue; + } + + if (idp) + *idp = ef->id; + if (lenp) + *lenp = ef->size; + if (ef->size > 0) + return ef->data; + else + return empty; + } + } + + zip_error_set(&za->error, ZIP_ER_NOENT, 0); + return NULL; + +} + + +ZIP_EXTERN const zip_uint8_t * +zip_file_extra_field_get_by_id(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_id, zip_uint16_t ef_idx, zip_uint16_t *lenp, zip_flags_t flags) +{ + zip_dirent_t *de; + + if ((flags & ZIP_EF_BOTH) == 0) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return NULL; + } + + if ((de=_zip_get_dirent(za, idx, flags, &za->error)) == NULL) + return NULL; + + if (flags & ZIP_FL_LOCAL) + if (_zip_read_local_ef(za, idx) < 0) + return NULL; + + return _zip_ef_get_by_id(de->extra_fields, lenp, ef_id, ef_idx, flags, &za->error); +} + + +ZIP_EXTERN zip_int16_t +zip_file_extra_fields_count(zip_t *za, zip_uint64_t idx, zip_flags_t flags) +{ + zip_dirent_t *de; + zip_extra_field_t *ef; + zip_uint16_t n; + + if ((flags & ZIP_EF_BOTH) == 0) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if ((de=_zip_get_dirent(za, idx, flags, &za->error)) == NULL) + return -1; + + if (flags & ZIP_FL_LOCAL) + if (_zip_read_local_ef(za, idx) < 0) + return -1; + + n = 0; + for (ef=de->extra_fields; ef; ef=ef->next) + if (ef->flags & flags & ZIP_EF_BOTH) + n++; + + return (zip_int16_t)n; +} + + +ZIP_EXTERN zip_int16_t +zip_file_extra_fields_count_by_id(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_id, zip_flags_t flags) +{ + zip_dirent_t *de; + zip_extra_field_t *ef; + zip_uint16_t n; + + if ((flags & ZIP_EF_BOTH) == 0) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if ((de=_zip_get_dirent(za, idx, flags, &za->error)) == NULL) + return -1; + + if (flags & ZIP_FL_LOCAL) + if (_zip_read_local_ef(za, idx) < 0) + return -1; + + n = 0; + for (ef=de->extra_fields; ef; ef=ef->next) + if (ef->id == ef_id && (ef->flags & flags & ZIP_EF_BOTH)) + n++; + + return (zip_int16_t)n; +} + + +ZIP_EXTERN int +zip_file_extra_field_set(zip_t *za, zip_uint64_t idx, zip_uint16_t ef_id, zip_uint16_t ef_idx, const zip_uint8_t *data, zip_uint16_t len, zip_flags_t flags) +{ + zip_dirent_t *de; + zip_uint16_t ls, cs; + zip_extra_field_t *ef, *ef_prev, *ef_new; + int i, found, new_len; + + if ((flags & ZIP_EF_BOTH) == 0) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (_zip_get_dirent(za, idx, 0, NULL) == NULL) + return -1; + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + if (ZIP_EF_IS_INTERNAL(ef_id)) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (_zip_file_extra_field_prepare_for_change(za, idx) < 0) + return -1; + + de = za->entry[idx].changes; + + ef = de->extra_fields; + ef_prev = NULL; + i = 0; + found = 0; + + for (; ef; ef=ef->next) { + if (ef->id == ef_id && (ef->flags & flags & ZIP_EF_BOTH)) { + if (i == ef_idx) { + found = 1; + break; + } + i++; + } + ef_prev = ef; + } + + if (i < ef_idx && ef_idx != ZIP_EXTRA_FIELD_NEW) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (flags & ZIP_EF_LOCAL) + ls = _zip_ef_size(de->extra_fields, ZIP_EF_LOCAL); + else + ls = 0; + if (flags & ZIP_EF_CENTRAL) + cs = _zip_ef_size(de->extra_fields, ZIP_EF_CENTRAL); + else + cs = 0; + + new_len = ls > cs ? ls : cs; + if (found) + new_len -= ef->size + 4; + new_len += len + 4; + + if (new_len > ZIP_UINT16_MAX) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if ((ef_new=_zip_ef_new(ef_id, len, data, flags)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + + if (found) { + if ((ef->flags & ZIP_EF_BOTH) == (flags & ZIP_EF_BOTH)) { + ef_new->next = ef->next; + ef->next = NULL; + _zip_ef_free(ef); + if (ef_prev) + ef_prev->next = ef_new; + else + de->extra_fields = ef_new; + } + else { + ef->flags &= ~(flags & ZIP_EF_BOTH); + ef_new->next = ef->next; + ef->next = ef_new; + } + } + else if (ef_prev) { + ef_new->next = ef_prev->next; + ef_prev->next = ef_new; + } + else + de->extra_fields = ef_new; + + return 0; +} + + + +int +_zip_file_extra_field_prepare_for_change(zip_t *za, zip_uint64_t idx) +{ + zip_entry_t *e; + + if (idx >= za->nentry) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + e = za->entry+idx; + + if (e->changes && (e->changes->changed & ZIP_DIRENT_EXTRA_FIELD)) + return 0; + + if (e->orig) { + if (_zip_read_local_ef(za, idx) < 0) + return -1; + } + + if (e->changes == NULL) { + if ((e->changes=_zip_dirent_clone(e->orig)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + } + + if (e->orig && e->orig->extra_fields) { + if ((e->changes->extra_fields=_zip_ef_clone(e->orig->extra_fields, &za->error)) == NULL) + return -1; + } + e->changes->changed |= ZIP_DIRENT_EXTRA_FIELD; + + return 0; +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_fclose.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,55 @@ +/* + zip_fclose.c -- close file in zip archive + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +ZIP_EXTERN int +zip_fclose(zip_file_t *zf) +{ + int ret; + + if (zf->src) + zip_source_free(zf->src); + + ret = 0; + if (zf->error.zip_err) + ret = zf->error.zip_err; + + zip_error_fini(&zf->error); + free(zf); + return ret; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_fdopen.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,85 @@ +/* + zip_fdopen.c -- open read-only archive from file descriptor + Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + + +ZIP_EXTERN zip_t * +zip_fdopen(int fd_orig, int _flags, int *zep) +{ + int fd; + FILE *fp; + zip_t *za; + zip_source_t *src; + struct zip_error error; + + if (_flags < 0 || (_flags & ZIP_TRUNCATE)) { + _zip_set_open_error(zep, NULL, ZIP_ER_INVAL); + return NULL; + } + + /* We dup() here to avoid messing with the passed in fd. + We could not restore it to the original state in case of error. */ + + if ((fd=dup(fd_orig)) < 0) { + _zip_set_open_error(zep, NULL, ZIP_ER_OPEN); + return NULL; + } + + if ((fp=fdopen(fd, "rb")) == NULL) { + close(fd); + _zip_set_open_error(zep, NULL, ZIP_ER_OPEN); + return NULL; + } + + zip_error_init(&error); + if ((src = zip_source_filep_create(fp, 0, -1, &error)) == NULL) { + _zip_set_open_error(zep, &error, 0); + zip_error_fini(&error); + return NULL; + } + + if ((za = zip_open_from_source(src, _flags, &error)) == NULL) { + _zip_set_open_error(zep, &error, 0); + zip_error_fini(&error); + return NULL; + } + + zip_error_fini(&error); + close(fd_orig); + return za; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_file_add.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,53 @@ +/* + zip_file_add.c -- add file via callback function + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + +/* + NOTE: Return type is signed so we can return -1 on error. + The index can not be larger than ZIP_INT64_MAX since the size + of the central directory cannot be larger than + ZIP_UINT64_MAX, and each entry is larger than 2 bytes. +*/ + +ZIP_EXTERN zip_int64_t +zip_file_add(zip_t *za, const char *name, zip_source_t *source, zip_flags_t flags) +{ + if (name == NULL || source == NULL) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + return _zip_file_replace(za, ZIP_UINT64_MAX, name, source, flags); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_file_error_clear.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,45 @@ +/* + zip_file_error_clear.c -- clear zip file error + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN void +zip_file_error_clear(zip_file_t *zf) +{ + if (zf == NULL) + return; + + _zip_error_clear(&zf->error); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_file_error_get.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,42 @@ +/* + zip_file_error_get.c -- get zip file error + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#define _ZIP_COMPILING_DEPRECATED +#include "zipint.h" + + +ZIP_EXTERN void +zip_file_error_get(zip_file_t *zf, int *zep, int *sep) +{ + _zip_error_get(&zf->error, zep, sep); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_file_get_comment.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,56 @@ +/* + zip_file_get_comment.c -- get file comment + Copyright (C) 2006-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + +/* lenp is 32 bit because converted comment can be longer than ZIP_UINT16_MAX */ + +ZIP_EXTERN const char * +zip_file_get_comment(zip_t *za, zip_uint64_t idx, zip_uint32_t *lenp, zip_flags_t flags) +{ + zip_dirent_t *de; + zip_uint32_t len; + const zip_uint8_t *str; + + if ((de=_zip_get_dirent(za, idx, flags, NULL)) == NULL) + return NULL; + + if ((str=_zip_string_get(de->comment, &len, flags, &za->error)) == NULL) + return NULL; + + if (lenp) + *lenp = len; + + return (const char *)str; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_file_get_external_attributes.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,51 @@ +/* + zip_file_get_external_attributes.c -- get opsys/external attributes + Copyright (C) 2013-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include "zipint.h" + +int +zip_file_get_external_attributes(zip_t *za, zip_uint64_t idx, zip_flags_t flags, zip_uint8_t *opsys, zip_uint32_t *attributes) +{ + zip_dirent_t *de; + + if ((de=_zip_get_dirent(za, idx, flags, NULL)) == NULL) + return -1; + + if (opsys) + *opsys = (zip_uint8_t)((de->version_madeby >> 8) & 0xff); + + if (attributes) + *attributes = de->ext_attrib; + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_file_get_offset.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,73 @@ +/* + zip_file_get_offset.c -- get offset of file data in archive. + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include "zipint.h" + + +/* _zip_file_get_offset(za, ze): + Returns the offset of the file data for entry ze. + + On error, fills in za->error and returns 0. +*/ + +zip_uint64_t +_zip_file_get_offset(const zip_t *za, zip_uint64_t idx, zip_error_t *error) +{ + zip_uint64_t offset; + zip_int32_t size; + + offset = za->entry[idx].orig->offset; + + if (zip_source_seek(za->src, (zip_int64_t)offset, SEEK_SET) < 0) { + _zip_error_set_from_source(error, za->src); + return 0; + } + + /* TODO: cache? */ + if ((size=_zip_dirent_size(za->src, ZIP_EF_LOCAL, error)) < 0) + return 0; + + if (offset+(zip_uint32_t)size > ZIP_INT64_MAX) { + zip_error_set(error, ZIP_ER_SEEK, EFBIG); + return 0; + } + + return offset + (zip_uint32_t)size; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_file_rename.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,68 @@ +/* + zip_file_rename.c -- rename file in zip archive + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <string.h> + +#include "zipint.h" + + +ZIP_EXTERN int +zip_file_rename(zip_t *za, zip_uint64_t idx, const char *name, zip_flags_t flags) +{ + const char *old_name; + int old_is_dir, new_is_dir; + + if (idx >= za->nentry || (name != NULL && strlen(name) > ZIP_UINT16_MAX)) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + if ((old_name=zip_get_name(za, idx, 0)) == NULL) + return -1; + + new_is_dir = (name != NULL && name[strlen(name)-1] == '/'); + old_is_dir = (old_name[strlen(old_name)-1] == '/'); + + if (new_is_dir != old_is_dir) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + return _zip_set_name(za, idx, name, flags); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_file_replace.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,108 @@ +/* + zip_file_replace.c -- replace file via callback function + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_file_replace(zip_t *za, zip_uint64_t idx, zip_source_t *source, zip_flags_t flags) +{ + if (idx >= za->nentry || source == NULL) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (_zip_file_replace(za, idx, NULL, source, flags) == -1) + return -1; + + return 0; +} + + + +/* NOTE: Signed due to -1 on error. See zip_add.c for more details. */ + +zip_int64_t +_zip_file_replace(zip_t *za, zip_uint64_t idx, const char *name, zip_source_t *source, zip_flags_t flags) +{ + zip_uint64_t za_nentry_prev; + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + za_nentry_prev = za->nentry; + if (idx == ZIP_UINT64_MAX) { + zip_int64_t i = -1; + + if (flags & ZIP_FL_OVERWRITE) + i = _zip_name_locate(za, name, flags, NULL); + + if (i == -1) { + /* create and use new entry, used by zip_add */ + if ((i=_zip_add_entry(za)) < 0) + return -1; + } + idx = (zip_uint64_t)i; + } + + if (name && _zip_set_name(za, idx, name, flags) != 0) { + if (za->nentry != za_nentry_prev) { + _zip_entry_finalize(za->entry+idx); + za->nentry = za_nentry_prev; + } + return -1; + } + + /* does not change any name related data, so we can do it here; + * needed for a double add of the same file name */ + _zip_unchange_data(za->entry+idx); + + if (za->entry[idx].orig != NULL && (za->entry[idx].changes == NULL || (za->entry[idx].changes->changed & ZIP_DIRENT_COMP_METHOD) == 0)) { + if (za->entry[idx].changes == NULL) { + if ((za->entry[idx].changes=_zip_dirent_clone(za->entry[idx].orig)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + } + + za->entry[idx].changes->comp_method = ZIP_CM_REPLACED_DEFAULT; + za->entry[idx].changes->changed |= ZIP_DIRENT_COMP_METHOD; + } + + za->entry[idx].source = source; + + return (zip_int64_t)idx; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_file_set_comment.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,103 @@ +/* + zip_file_set_comment.c -- set comment for file in archive + Copyright (C) 2006-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +ZIP_EXTERN int +zip_file_set_comment(zip_t *za, zip_uint64_t idx, + const char *comment, zip_uint16_t len, zip_flags_t flags) +{ + zip_entry_t *e; + zip_string_t *cstr; + int changed; + + if (_zip_get_dirent(za, idx, 0, NULL) == NULL) + return -1; + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + if (len > 0 && comment == NULL) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (len > 0) { + if ((cstr=_zip_string_new((const zip_uint8_t *)comment, len, flags, &za->error)) == NULL) + return -1; + if ((flags & ZIP_FL_ENCODING_ALL) == ZIP_FL_ENC_GUESS && _zip_guess_encoding(cstr, ZIP_ENCODING_UNKNOWN) == ZIP_ENCODING_UTF8_GUESSED) + cstr->encoding = ZIP_ENCODING_UTF8_KNOWN; + } + else + cstr = NULL; + + e = za->entry+idx; + + if (e->changes) { + _zip_string_free(e->changes->comment); + e->changes->comment = NULL; + e->changes->changed &= ~ZIP_DIRENT_COMMENT; + } + + if (e->orig && e->orig->comment) + changed = !_zip_string_equal(e->orig->comment, cstr); + else + changed = (cstr != NULL); + + if (changed) { + if (e->changes == NULL) { + if ((e->changes=_zip_dirent_clone(e->orig)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + _zip_string_free(cstr); + return -1; + } + } + e->changes->comment = cstr; + e->changes->changed |= ZIP_DIRENT_COMMENT; + } + else { + _zip_string_free(cstr); + if (e->changes && e->changes->changed == 0) { + _zip_dirent_free(e->changes); + e->changes = NULL; + } + } + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_file_set_external_attributes.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,83 @@ +/* + zip_file_set_external_attributes.c -- set external attributes for entry + Copyright (C) 2013-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include "zipint.h" + +ZIP_EXTERN int +zip_file_set_external_attributes(zip_t *za, zip_uint64_t idx, zip_flags_t flags, zip_uint8_t opsys, zip_uint32_t attributes) +{ + zip_entry_t *e; + int changed; + zip_uint8_t unchanged_opsys; + zip_uint32_t unchanged_attributes; + + if (_zip_get_dirent(za, idx, 0, NULL) == NULL) + return -1; + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + e = za->entry+idx; + + unchanged_opsys = (e->orig ? (zip_uint8_t)(e->orig->version_madeby>>8) : (zip_uint8_t)ZIP_OPSYS_DEFAULT); + unchanged_attributes = e->orig ? e->orig->ext_attrib : ZIP_EXT_ATTRIB_DEFAULT; + + changed = (opsys != unchanged_opsys || attributes != unchanged_attributes); + + if (changed) { + if (e->changes == NULL) { + if ((e->changes=_zip_dirent_clone(e->orig)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + } + e->changes->version_madeby = (zip_uint16_t)((opsys << 8) | (e->changes->version_madeby & 0xff)); + e->changes->ext_attrib = attributes; + e->changes->changed |= ZIP_DIRENT_ATTRIBUTES; + } + else if (e->changes) { + e->changes->changed &= ~ZIP_DIRENT_ATTRIBUTES; + if (e->changes->changed == 0) { + _zip_dirent_free(e->changes); + e->changes = NULL; + } + else { + e->changes->version_madeby = (zip_uint16_t)((unchanged_opsys << 8) | (e->changes->version_madeby & 0xff)); + e->changes->ext_attrib = unchanged_attributes; + } + } + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_file_set_mtime.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,74 @@ +/* + zip_file_set_mtime.c -- set modification time of entry. + Copyright (C) 2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "zipint.h" + +ZIP_EXTERN int zip_file_set_mtime(zip_t *za, zip_uint64_t idx, time_t mtime, zip_flags_t flags) +{ + zip_entry_t *e; + int changed; + + if (_zip_get_dirent(za, idx, 0, NULL) == NULL) + return -1; + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + e = za->entry+idx; + + changed = e->orig == NULL || mtime != e->orig->last_mod; + + if (changed) { + if (e->changes == NULL) { + if ((e->changes=_zip_dirent_clone(e->orig)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + } + e->changes->last_mod = mtime; + e->changes->changed |= ZIP_DIRENT_LAST_MOD; + } + else { + if (e->changes) { + e->changes->changed &= ~ZIP_DIRENT_LAST_MOD; + if (e->changes->changed == 0) { + _zip_dirent_free(e->changes); + e->changes = NULL; + } + } + } + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_file_strerror.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,42 @@ +/* + zip_file_sterror.c -- get string representation of zip file error + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN const char * +zip_file_strerror(zip_file_t *zf) +{ + return zip_error_strerror(&zf->error); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_filerange_crc.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,76 @@ +/* + zip_filerange_crc.c -- compute CRC32 for a range of a file + Copyright (C) 2008-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdio.h> + +#include "zipint.h" + + + +int +_zip_filerange_crc(zip_source_t *src, zip_uint64_t start, zip_uint64_t len, uLong *crcp, zip_error_t *error) +{ + Bytef buf[BUFSIZE]; + zip_int64_t n; + + *crcp = crc32(0L, Z_NULL, 0); + + if (start > ZIP_INT64_MAX) { + zip_error_set(error, ZIP_ER_SEEK, EFBIG); + return -1; + } + + if (zip_source_seek(src, (zip_int64_t)start, SEEK_SET) != 0) { + _zip_error_set_from_source(error, src); + return -1; + } + + while (len > 0) { + n = (zip_int64_t)(len > BUFSIZE ? BUFSIZE : len); + if ((n = zip_source_read(src, buf, (zip_uint64_t)n)) < 0) { + _zip_error_set_from_source(error, src); + return -1; + } + if (n == 0) { + zip_error_set(error, ZIP_ER_EOF, 0); + return -1; + } + + *crcp = crc32(*crcp, buf, (uInt)n); + + len -= (zip_uint64_t)n; + } + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_fopen.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,47 @@ +/* + zip_fopen.c -- open file in zip archive for reading + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN zip_file_t * +zip_fopen(zip_t *za, const char *fname, zip_flags_t flags) +{ + zip_int64_t idx; + + if ((idx=zip_name_locate(za, fname, flags)) < 0) + return NULL; + + return zip_fopen_index_encrypted(za, (zip_uint64_t)idx, flags, za->default_password); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_fopen_encrypted.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,47 @@ +/* + zip_fopen_encrypted.c -- open file for reading with password + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN zip_file_t * +zip_fopen_encrypted(zip_t *za, const char *fname, zip_flags_t flags, const char *password) +{ + zip_int64_t idx; + + if ((idx=zip_name_locate(za, fname, flags)) < 0) + return NULL; + + return zip_fopen_index_encrypted(za, (zip_uint64_t)idx, flags, password); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_fopen_index.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,45 @@ +/* + zip_fopen_index.c -- open file in zip archive for reading by index + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdio.h> +#include <stdlib.h> + +#include "zipint.h" + + +ZIP_EXTERN zip_file_t * +zip_fopen_index(zip_t *za, zip_uint64_t index, zip_flags_t flags) +{ + return zip_fopen_index_encrypted(za, index, flags, za->default_password); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_fopen_index_encrypted.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,86 @@ +/* + zip_fopen_index_encrypted.c -- open file for reading by index w/ password + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdio.h> +#include <stdlib.h> + +#include "zipint.h" + +static zip_file_t *_zip_file_new(zip_t *za); + + +ZIP_EXTERN zip_file_t * +zip_fopen_index_encrypted(zip_t *za, zip_uint64_t index, zip_flags_t flags, + const char *password) +{ + zip_file_t *zf; + zip_source_t *src; + + if ((src=_zip_source_zip_new(za, za, index, flags, 0, 0, password)) == NULL) + return NULL; + + if (zip_source_open(src) < 0) { + _zip_error_set_from_source(&za->error, src); + zip_source_free(src); + return NULL; + } + + if ((zf=_zip_file_new(za)) == NULL) { + zip_source_free(src); + return NULL; + } + + zf->src = src; + + return zf; +} + + +static zip_file_t * +_zip_file_new(zip_t *za) +{ + zip_file_t *zf; + + if ((zf=(zip_file_t *)malloc(sizeof(struct zip_file))) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return NULL; + } + + zf->za = za; + zip_error_init(&zf->error); + zf->eof = 0; + zf->src = NULL; + + return zf; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_fread.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,63 @@ +/* + zip_fread.c -- read from file + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN zip_int64_t +zip_fread(zip_file_t *zf, void *outbuf, zip_uint64_t toread) +{ + zip_int64_t n; + + if (!zf) + return -1; + + if (zf->error.zip_err != 0) + return -1; + + if (toread > ZIP_INT64_MAX) { + zip_error_set(&zf->error, ZIP_ER_INVAL, 0); + return -1; + } + + if ((zf->eof) || (toread == 0)) + return 0; + + if ((n=zip_source_read(zf->src, outbuf, toread)) < 0) { + _zip_error_set_from_source(&zf->error, zf->src); + return -1; + } + + return n; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_get_archive_comment.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,59 @@ +/* + zip_get_archive_comment.c -- get archive comment + Copyright (C) 2006-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <string.h> + +#include "zipint.h" + + +ZIP_EXTERN const char * +zip_get_archive_comment(zip_t *za, int *lenp, zip_flags_t flags) +{ + zip_string_t *comment; + zip_uint32_t len; + const zip_uint8_t *str; + + if ((flags & ZIP_FL_UNCHANGED) || (za->comment_changes == NULL)) + comment = za->comment_orig; + else + comment = za->comment_changes; + + if ((str=_zip_string_get(comment, &len, flags, &za->error)) == NULL) + return NULL; + + if (lenp) + *lenp = (int)len; + + return (const char *)str; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_get_archive_flag.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,46 @@ +/* + zip_get_archive_flag.c -- get archive global flag + Copyright (C) 2008-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_get_archive_flag(zip_t *za, zip_flags_t flag, zip_flags_t flags) +{ + unsigned int fl; + + fl = (flags & ZIP_FL_UNCHANGED) ? za->flags : za->ch_flags; + + return (fl & flag) ? 1 : 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_get_compression_implementation.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,44 @@ +/* + zip_get_compression_implementation.c -- get compression implementation + Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +zip_compression_implementation +_zip_get_compression_implementation(zip_int32_t cm) +{ + if (cm == ZIP_CM_DEFLATE || ZIP_CM_IS_DEFAULT(cm)) + return zip_source_deflate; + return NULL; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_get_encryption_implementation.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,44 @@ +/* + zip_get_encryption_implementation.c -- get encryption implementation + Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +zip_encryption_implementation +_zip_get_encryption_implementation(zip_uint16_t em) +{ + if (em == ZIP_EM_TRAD_PKWARE) + return zip_source_pkware; + return NULL; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_get_file_comment.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,51 @@ +/* + zip_get_file_comment.c -- get file comment + Copyright (C) 2006-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#define _ZIP_COMPILING_DEPRECATED +#include "zipint.h" + + +ZIP_EXTERN const char * +zip_get_file_comment(zip_t *za, zip_uint64_t idx, int *lenp, int flags) +{ + zip_uint32_t len; + const char *s; + + if ((s=zip_file_get_comment(za, idx, &len, (zip_flags_t)flags)) != NULL) { + if (lenp) + *lenp = (int)len; + } + + return s; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_get_name.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,60 @@ +/* + zip_get_name.c -- get filename for a file in zip file + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <string.h> + +#include "zipint.h" + + +ZIP_EXTERN const char * +zip_get_name(zip_t *za, zip_uint64_t idx, zip_flags_t flags) +{ + return _zip_get_name(za, idx, flags, &za->error); +} + + +const char * +_zip_get_name(zip_t *za, zip_uint64_t idx, zip_flags_t flags, zip_error_t *error) +{ + zip_dirent_t *de; + const zip_uint8_t *str; + + if ((de=_zip_get_dirent(za, idx, flags, error)) == NULL) + return NULL; + + if ((str=_zip_string_get(de->filename, NULL, flags, error)) == NULL) + return NULL; + + return (const char *)str; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_get_num_entries.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,53 @@ +/* + zip_get_num_entries.c -- get number of entries in archive + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN zip_int64_t +zip_get_num_entries(zip_t *za, zip_flags_t flags) +{ + zip_uint64_t n; + + if (za == NULL) + return -1; + + if (flags & ZIP_FL_UNCHANGED) { + n = za->nentry; + while (n>0 && za->entry[n-1].orig == NULL) + --n; + return (zip_int64_t)n; + } + return (zip_int64_t)za->nentry; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_get_num_files.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,52 @@ +/* + zip_get_num_files.c -- get number of files in archive + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#define _ZIP_COMPILING_DEPRECATED +#include "zipint.h" +#include <limits.h> + + +ZIP_EXTERN int +zip_get_num_files(zip_t *za) +{ + if (za == NULL) + return -1; + + if (za->nentry > INT_MAX) { + zip_error_set(&za->error, ZIP_ER_OPNOTSUPP, 0); + return -1; + } + + return (int)za->nentry; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_hash.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,267 @@ +/* + zip_hash.c -- hash table string -> uint64 + Copyright (C) 2015-2016 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include <stdlib.h> +#include <string.h> +#include "zipint.h" + +struct zip_hash_entry { + const zip_uint8_t *name; + zip_int64_t orig_index; + zip_int64_t current_index; + struct zip_hash_entry *next; +}; +typedef struct zip_hash_entry zip_hash_entry_t; + +struct zip_hash { + zip_uint16_t table_size; + zip_hash_entry_t **table; +}; + +zip_hash_t * +_zip_hash_new(zip_uint16_t table_size, zip_error_t *error) +{ + zip_hash_t *hash; + + if (table_size == 0) { + zip_error_set(error, ZIP_ER_INTERNAL, 0); + return NULL; + } + + if ((hash=(zip_hash_t *)malloc(sizeof(zip_hash_t))) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + hash->table_size = table_size; + if ((hash->table=(zip_hash_entry_t**)calloc(table_size, sizeof(zip_hash_entry_t *))) == NULL) { + free(hash); + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + return hash; +} + +static void +_free_list(zip_hash_entry_t *entry) +{ + zip_hash_entry_t *next; + do { + next = entry->next; + free(entry); + entry = next; + } while (entry != NULL); +} + +void +_zip_hash_free(zip_hash_t *hash) +{ + zip_uint16_t i; + + if (hash == NULL) { + return; + } + + for (i=0; i<hash->table_size; i++) { + if (hash->table[i] != NULL) { + _free_list(hash->table[i]); + } + } + free(hash->table); + free(hash); +} + +static zip_uint16_t +_hash_string(const zip_uint8_t *name, zip_uint16_t size) +{ +#define HASH_MULTIPLIER 33 + zip_uint16_t value = 5381; + + if (name == NULL) + return 0; + + while (*name != 0) { + value = (zip_uint16_t)(((value * HASH_MULTIPLIER) + (zip_uint8_t)*name) % size); + name++; + } + + return value; +} + +/* insert into hash, return error on existence or memory issues */ +bool +_zip_hash_add(zip_hash_t *hash, const zip_uint8_t *name, zip_uint64_t index, zip_flags_t flags, zip_error_t *error) +{ + zip_uint16_t hash_value; + zip_hash_entry_t *entry; + + if (hash == NULL || name == NULL || index > ZIP_INT64_MAX) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return false; + } + + hash_value = _hash_string(name, hash->table_size); + for (entry = hash->table[hash_value]; entry != NULL; entry = entry->next) { + if (strcmp((const char *)name, (const char *)entry->name) == 0) { + if (((flags & ZIP_FL_UNCHANGED) && entry->orig_index != -1) || entry->current_index != -1) { + zip_error_set(error, ZIP_ER_EXISTS, 0); + return false; + } + else { + break; + } + } + } + + if (entry == NULL) { + if ((entry=(zip_hash_entry_t *)malloc(sizeof(zip_hash_entry_t))) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return false; + } + entry->name = name; + entry->next = hash->table[hash_value]; + hash->table[hash_value] = entry; + entry->orig_index = -1; + } + + if (flags & ZIP_FL_UNCHANGED) { + entry->orig_index = (zip_int64_t)index; + } + entry->current_index = (zip_int64_t)index; + + return true; +} + +/* remove entry from hash, error if not found */ +bool +_zip_hash_delete(zip_hash_t *hash, const zip_uint8_t *name, zip_error_t *error) +{ + zip_uint16_t hash_value; + zip_hash_entry_t *entry, *previous; + + if (hash == NULL || name == NULL) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return false; + } + + hash_value = _hash_string(name, hash->table_size); + previous = NULL; + entry = hash->table[hash_value]; + while (entry) { + if (strcmp((const char *)name, (const char *)entry->name) == 0) { + if (entry->orig_index == -1) { + if (previous) { + previous->next = entry->next; + } + else { + hash->table[hash_value] = entry->next; + } + free(entry); + } + else { + entry->current_index = -1; + } + return true; + } + previous = entry; + entry = entry->next; + }; + + zip_error_set(error, ZIP_ER_NOENT, 0); + return false; +} + +/* find value for entry in hash, -1 if not found */ +zip_int64_t +_zip_hash_lookup(zip_hash_t *hash, const zip_uint8_t *name, zip_flags_t flags, zip_error_t *error) +{ + zip_uint16_t hash_value; + zip_hash_entry_t *entry; + + if (hash == NULL || name == NULL) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return -1; + } + + hash_value = _hash_string(name, hash->table_size); + for (entry = hash->table[hash_value]; entry != NULL; entry = entry->next) { + if (strcmp((const char *)name, (const char *)entry->name) == 0) { + if (flags & ZIP_FL_UNCHANGED) { + if (entry->orig_index != -1) { + return entry->orig_index; + } + } + else { + if (entry->current_index != -1) { + return entry->current_index; + } + } + break; + } + } + + zip_error_set(error, ZIP_ER_NOENT, 0); + return -1; +} + +void +_zip_hash_revert(zip_hash_t *hash) +{ + zip_uint16_t i; + zip_hash_entry_t *entry, *previous; + + for (i = 0; i < hash->table_size; i++) { + previous = NULL; + entry = hash->table[i]; + while (entry) { + if (entry->orig_index == -1) { + zip_hash_entry_t *p; + if (previous) { + previous->next = entry->next; + } + else { + hash->table[i] = entry->next; + } + p = entry; + entry = entry->next; + /* previous does not change */ + free(p); + } + else { + entry->current_index = entry->orig_index; + previous = entry; + entry = entry->next; + } + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_io_util.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,138 @@ +/* + zip_io_util.c -- I/O helper functions + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + +int +_zip_read(zip_source_t *src, zip_uint8_t *b, zip_uint64_t length, zip_error_t *error) +{ + zip_int64_t n; + + if (length > ZIP_INT64_MAX) { + zip_error_set(error, ZIP_ER_INTERNAL, 0); + return -1; + } + + if ((n = zip_source_read(src, b, length)) < 0) { + _zip_error_set_from_source(error, src); + return -1; + } + + if (n < (zip_int64_t)length) { + zip_error_set(error, ZIP_ER_EOF, 0); + return -1; + } + + return 0; +} + + +zip_uint8_t * +_zip_read_data(zip_buffer_t *buffer, zip_source_t *src, size_t length, bool nulp, zip_error_t *error) +{ + zip_uint8_t *r; + + if (length == 0 && !nulp) { + return NULL; + } + + r = (zip_uint8_t *)malloc(length + (nulp ? 1 : 0)); + if (!r) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + if (buffer) { + zip_uint8_t *data = _zip_buffer_get(buffer, length); + + if (data == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + free(r); + return NULL; + } + memcpy(r, data, length); + } + else { + if (_zip_read(src, r, length, error) < 0) { + free(r); + return NULL; + } + } + + if (nulp) { + zip_uint8_t *o; + /* replace any in-string NUL characters with spaces */ + r[length] = 0; + for (o=r; o<r+length; o++) + if (*o == '\0') + *o = ' '; + } + + return r; +} + + +zip_string_t * +_zip_read_string(zip_buffer_t *buffer, zip_source_t *src, zip_uint16_t len, bool nulp, zip_error_t *error) +{ + zip_uint8_t *raw; + zip_string_t *s; + + if ((raw=_zip_read_data(buffer, src, len, nulp, error)) == NULL) + return NULL; + + s = _zip_string_new(raw, len, ZIP_FL_ENC_GUESS, error); + free(raw); + return s; +} + + +int +_zip_write(zip_t *za, const void *data, zip_uint64_t length) +{ + zip_int64_t n; + + if ((n = zip_source_write(za->src, data, length)) < 0) { + _zip_error_set_from_source(&za->error, za->src); + return -1; + } + if ((zip_uint64_t)n != length) { + zip_error_set(&za->error, ZIP_ER_WRITE, EINTR); + return -1; + } + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_memdup.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,57 @@ +/* + zip_memdup.c -- internal zip function, "strdup" with len + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + + +void * +_zip_memdup(const void *mem, size_t len, zip_error_t *error) +{ + void *ret; + + if (len == 0) + return NULL; + + ret = malloc(len); + if (!ret) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + memcpy(ret, mem, len); + + return ret; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_name_locate.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,94 @@ +/* + zip_name_locate.c -- get index by name + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <string.h> +#ifdef HAVE_STRINGS_H +#include <strings.h> +#endif + +#include "zipint.h" + + +ZIP_EXTERN zip_int64_t +zip_name_locate(zip_t *za, const char *fname, zip_flags_t flags) +{ + return _zip_name_locate(za, fname, flags, &za->error); +} + + +zip_int64_t +_zip_name_locate(zip_t *za, const char *fname, zip_flags_t flags, zip_error_t *error) +{ + int (*cmp)(const char *, const char *); + const char *fn, *p; + zip_uint64_t i; + + if (za == NULL) + return -1; + + if (fname == NULL) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return -1; + } + + if (flags & (ZIP_FL_NOCASE|ZIP_FL_NODIR|ZIP_FL_ENC_CP437)) { + /* can't use hash table */ + cmp = (flags & ZIP_FL_NOCASE) ? strcasecmp : strcmp; + + for (i=0; i<za->nentry; i++) { + fn = _zip_get_name(za, i, flags, error); + + /* newly added (partially filled) entry or error */ + if (fn == NULL) + continue; + + if (flags & ZIP_FL_NODIR) { + p = strrchr(fn, '/'); + if (p) + fn = p+1; + } + + if (cmp(fname, fn) == 0) { + _zip_error_clear(error); + return (zip_int64_t)i; + } + } + + zip_error_set(error, ZIP_ER_NOENT, 0); + return -1; + } + else { + return _zip_hash_lookup(za->names, (const zip_uint8_t *)fname, flags, error); + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_new.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,74 @@ +/* + zip_new.c -- create and init struct zip + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +/* _zip_new: + creates a new zipfile struct, and sets the contents to zero; returns + the new struct. */ + +zip_t * +_zip_new(zip_error_t *error) +{ + zip_t *za; + + za = (zip_t *)malloc(sizeof(struct zip)); + if (!za) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + if ((za->names = _zip_hash_new(ZIP_HASH_TABLE_SIZE, error)) == NULL) { + free(za); + return NULL; + } + + za->src = NULL; + za->open_flags = 0; + zip_error_init(&za->error); + za->flags = za->ch_flags = 0; + za->default_password = NULL; + za->comment_orig = za->comment_changes = NULL; + za->comment_changed = 0; + za->nentry = za->nentry_alloc = 0; + za->entry = NULL; + za->nopen_source = za->nopen_source_alloc = 0; + za->open_source = NULL; + za->tempdir = NULL; + + return za; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_open.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,853 @@ +/* + zip_open.c -- open zip archive by name + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <sys/stat.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + +typedef enum { + EXISTS_ERROR = -1, + EXISTS_NOT = 0, + EXISTS_EMPTY, + EXISTS_NONEMPTY, +} exists_t; +static zip_t *_zip_allocate_new(zip_source_t *src, unsigned int flags, zip_error_t *error); +static zip_int64_t _zip_checkcons(zip_t *za, zip_cdir_t *cdir, zip_error_t *error); +static zip_cdir_t *_zip_find_central_dir(zip_t *za, zip_uint64_t len); +static exists_t _zip_file_exists(zip_source_t *src, zip_error_t *error); +static int _zip_headercomp(const zip_dirent_t *, const zip_dirent_t *); +static unsigned char *_zip_memmem(const unsigned char *, size_t, const unsigned char *, size_t); +static zip_cdir_t *_zip_read_cdir(zip_t *za, zip_buffer_t *buffer, zip_uint64_t buf_offset, zip_error_t *error); +static zip_cdir_t *_zip_read_eocd(zip_buffer_t *buffer, zip_uint64_t buf_offset, unsigned int flags, zip_error_t *error); +static zip_cdir_t *_zip_read_eocd64(zip_source_t *src, zip_buffer_t *buffer, zip_uint64_t buf_offset, unsigned int flags, zip_error_t *error); + + +ZIP_EXTERN zip_t * +zip_open(const char *fn, int _flags, int *zep) +{ + zip_t *za; + zip_source_t *src; + struct zip_error error; + + zip_error_init(&error); + if ((src = zip_source_file_create(fn, 0, -1, &error)) == NULL) { + _zip_set_open_error(zep, &error, 0); + zip_error_fini(&error); + return NULL; + } + + if ((za = zip_open_from_source(src, _flags, &error)) == NULL) { + zip_source_free(src); + _zip_set_open_error(zep, &error, 0); + zip_error_fini(&error); + return NULL; + } + + zip_error_fini(&error); + return za; +} + + +ZIP_EXTERN zip_t * +zip_open_from_source(zip_source_t *src, int _flags, zip_error_t *error) +{ + static zip_int64_t needed_support_read = -1; + static zip_int64_t needed_support_write = -1; + + unsigned int flags; + zip_int64_t supported; + exists_t exists; + + if (_flags < 0 || src == NULL) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + flags = (unsigned int)_flags; + + supported = zip_source_supports(src); + if (needed_support_read == -1) { + needed_support_read = zip_source_make_command_bitmap(ZIP_SOURCE_OPEN, ZIP_SOURCE_READ, ZIP_SOURCE_CLOSE, ZIP_SOURCE_SEEK, ZIP_SOURCE_TELL, ZIP_SOURCE_STAT, -1); + needed_support_write = zip_source_make_command_bitmap(ZIP_SOURCE_BEGIN_WRITE, ZIP_SOURCE_COMMIT_WRITE, ZIP_SOURCE_ROLLBACK_WRITE, ZIP_SOURCE_SEEK_WRITE, ZIP_SOURCE_TELL_WRITE, ZIP_SOURCE_REMOVE, -1); + } + if ((supported & needed_support_read) != needed_support_read) { + zip_error_set(error, ZIP_ER_OPNOTSUPP, 0); + return NULL; + } + if ((supported & needed_support_write) != needed_support_write) { + flags |= ZIP_RDONLY; + } + + if ((flags & (ZIP_RDONLY|ZIP_TRUNCATE)) == (ZIP_RDONLY|ZIP_TRUNCATE)) { + zip_error_set(error, ZIP_ER_RDONLY, 0); + return NULL; + } + + exists = _zip_file_exists(src, error); + switch (exists) { + case EXISTS_ERROR: + return NULL; + + case EXISTS_NOT: + if ((flags & ZIP_CREATE) == 0) { + zip_error_set(error, ZIP_ER_NOENT, 0); + return NULL; + } + return _zip_allocate_new(src, flags, error); + + default: { + zip_t *za; + if (flags & ZIP_EXCL) { + zip_error_set(error, ZIP_ER_EXISTS, 0); + return NULL; + } + if (zip_source_open(src) < 0) { + _zip_error_set_from_source(error, src); + return NULL; + } + + if (flags & ZIP_TRUNCATE) { + za = _zip_allocate_new(src, flags, error); + } + else { + /* ZIP_CREATE gets ignored if file exists and not ZIP_EXCL, just like open() */ + za = _zip_open(src, flags, error); + } + + if (za == NULL) { + zip_source_close(src); + return NULL; + } + return za; + } + } +} + +ZIP_EXTERN int +zip_archive_set_tempdir(zip_t *za, const char *tempdir) +{ + char *new_tempdir; + + if (tempdir) { + if ((new_tempdir = strdup(tempdir)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, errno); + return -1; + } + } + else + new_tempdir = NULL; + + free(za->tempdir); + za->tempdir = new_tempdir; + + return 0; +} + +zip_t * +_zip_open(zip_source_t *src, unsigned int flags, zip_error_t *error) +{ + zip_t *za; + zip_cdir_t *cdir; + struct zip_stat st; + zip_uint64_t len, idx; + + zip_stat_init(&st); + if (zip_source_stat(src, &st) < 0) { + _zip_error_set_from_source(error, src); + return NULL; + } + if ((st.valid & ZIP_STAT_SIZE) == 0) { + zip_error_set(error, ZIP_ER_SEEK, EOPNOTSUPP); + return NULL; + } + len = st.size; + + /* treat empty files as empty archives */ + if (len == 0) { + if ((za=_zip_allocate_new(src, flags, error)) == NULL) { + zip_source_free(src); + return NULL; + } + + return za; + } + + if ((za=_zip_allocate_new(src, flags, error)) == NULL) { + return NULL; + } + + if ((cdir = _zip_find_central_dir(za, len)) == NULL) { + _zip_error_copy(error, &za->error); + /* keep src so discard does not get rid of it */ + zip_source_keep(src); + zip_discard(za); + return NULL; + } + + za->entry = cdir->entry; + za->nentry = cdir->nentry; + za->nentry_alloc = cdir->nentry_alloc; + za->comment_orig = cdir->comment; + + free(cdir); + + for (idx = 0; idx < za->nentry; idx++) { + const zip_uint8_t *name = _zip_string_get(za->entry[idx].orig->filename, NULL, 0, error); + if (name == NULL) { + /* keep src so discard does not get rid of it */ + zip_source_keep(src); + zip_discard(za); + return NULL; + } + + if (_zip_hash_add(za->names, name, idx, ZIP_FL_UNCHANGED, &za->error) == false) { + if (za->error.zip_err != ZIP_ER_EXISTS || (flags & ZIP_CHECKCONS)) { + _zip_error_copy(error, &za->error); + /* keep src so discard does not get rid of it */ + zip_source_keep(src); + zip_discard(za); + return NULL; + } + } + } + + za->ch_flags = za->flags; + + return za; +} + + +void +_zip_set_open_error(int *zep, const zip_error_t *err, int ze) +{ + if (err) { + ze = zip_error_code_zip(err); + if (zip_error_system_type(err) == ZIP_ET_SYS) { + errno = zip_error_code_system(err); + } + } + + if (zep) + *zep = ze; +} + + +/* _zip_readcdir: + tries to find a valid end-of-central-directory at the beginning of + buf, and then the corresponding central directory entries. + Returns a struct zip_cdir which contains the central directory + entries, or NULL if unsuccessful. */ + +static zip_cdir_t * +_zip_read_cdir(zip_t *za, zip_buffer_t *buffer, zip_uint64_t buf_offset, zip_error_t *error) +{ + zip_cdir_t *cd; + zip_uint16_t comment_len; + zip_uint64_t i, left; + zip_uint64_t eocd_offset = _zip_buffer_offset(buffer); + zip_buffer_t *cd_buffer; + + if (_zip_buffer_left(buffer) < EOCDLEN) { + /* not enough bytes left for comment */ + zip_error_set(error, ZIP_ER_NOZIP, 0); + return NULL; + } + + /* check for end-of-central-dir magic */ + if (memcmp(_zip_buffer_get(buffer, 4), EOCD_MAGIC, 4) != 0) { + zip_error_set(error, ZIP_ER_NOZIP, 0); + return NULL; + } + + if (eocd_offset >= EOCD64LOCLEN && memcmp(_zip_buffer_data(buffer) + eocd_offset - EOCD64LOCLEN, EOCD64LOC_MAGIC, 4) == 0) { + _zip_buffer_set_offset(buffer, eocd_offset - EOCD64LOCLEN); + cd = _zip_read_eocd64(za->src, buffer, buf_offset, za->flags, error); + } + else { + _zip_buffer_set_offset(buffer, eocd_offset); + cd = _zip_read_eocd(buffer, buf_offset, za->flags, error); + } + + if (cd == NULL) + return NULL; + + _zip_buffer_set_offset(buffer, eocd_offset + 20); + comment_len = _zip_buffer_get_16(buffer); + + if (cd->offset + cd->size > buf_offset + eocd_offset) { + /* cdir spans past EOCD record */ + zip_error_set(error, ZIP_ER_INCONS, 0); + _zip_cdir_free(cd); + return NULL; + } + + if (comment_len || (za->open_flags & ZIP_CHECKCONS)) { + zip_uint64_t tail_len; + + _zip_buffer_set_offset(buffer, eocd_offset + EOCDLEN); + tail_len = _zip_buffer_left(buffer); + + if (tail_len < comment_len || ((za->open_flags & ZIP_CHECKCONS) && tail_len != comment_len)) { + zip_error_set(error, ZIP_ER_INCONS, 0); + _zip_cdir_free(cd); + return NULL; + } + + if (comment_len) { + if ((cd->comment=_zip_string_new(_zip_buffer_get(buffer, comment_len), comment_len, ZIP_FL_ENC_GUESS, error)) == NULL) { + _zip_cdir_free(cd); + return NULL; + } + } + } + + if (cd->offset >= buf_offset) { + zip_uint8_t *data; + /* if buffer already read in, use it */ + _zip_buffer_set_offset(buffer, cd->offset - buf_offset); + + if ((data = _zip_buffer_get(buffer, cd->size)) == NULL) { + zip_error_set(error, ZIP_ER_INCONS, 0); + _zip_cdir_free(cd); + return NULL; + } + if ((cd_buffer = _zip_buffer_new(data, cd->size)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + _zip_cdir_free(cd); + return NULL; + } + } + else { + cd_buffer = NULL; + + if (zip_source_seek(za->src, (zip_int64_t)cd->offset, SEEK_SET) < 0) { + _zip_error_set_from_source(error, za->src); + _zip_cdir_free(cd); + return NULL; + } + + /* possible consistency check: cd->offset = len-(cd->size+cd->comment_len+EOCDLEN) ? */ + if (zip_source_tell(za->src) != (zip_int64_t)cd->offset) { + zip_error_set(error, ZIP_ER_NOZIP, 0); + _zip_cdir_free(cd); + return NULL; + } + } + + left = (zip_uint64_t)cd->size; + i=0; + while (i<cd->nentry && left > 0) { + zip_int64_t entry_size; + if ((cd->entry[i].orig=_zip_dirent_new()) == NULL || (entry_size = _zip_dirent_read(cd->entry[i].orig, za->src, cd_buffer, false, error)) < 0) { + _zip_cdir_free(cd); + _zip_buffer_free(cd_buffer); + return NULL; + } + i++; + left -= (zip_uint64_t)entry_size; + } + + if (i != cd->nentry) { + zip_error_set(error, ZIP_ER_INCONS, 0); + _zip_buffer_free(cd_buffer); + _zip_cdir_free(cd); + return NULL; + } + + if (za->open_flags & ZIP_CHECKCONS) { + bool ok; + + if (cd_buffer) { + ok = _zip_buffer_eof(cd_buffer); + } + else { + zip_int64_t offset = zip_source_tell(za->src); + + if (offset < 0) { + _zip_error_set_from_source(error, za->src); + _zip_buffer_free(cd_buffer); + _zip_cdir_free(cd); + return NULL; + } + ok = ((zip_uint64_t)offset == cd->offset + cd->size); + } + + if (!ok) { + zip_error_set(error, ZIP_ER_INCONS, 0); + _zip_buffer_free(cd_buffer); + _zip_cdir_free(cd); + return NULL; + } + } + + _zip_buffer_free(cd_buffer); + return cd; +} + + +/* _zip_checkcons: + Checks the consistency of the central directory by comparing central + directory entries with local headers and checking for plausible + file and header offsets. Returns -1 if not plausible, else the + difference between the lowest and the highest fileposition reached */ + +static zip_int64_t +_zip_checkcons(zip_t *za, zip_cdir_t *cd, zip_error_t *error) +{ + zip_uint64_t i; + zip_uint64_t min, max, j; + struct zip_dirent temp; + + _zip_dirent_init(&temp); + if (cd->nentry) { + max = cd->entry[0].orig->offset; + min = cd->entry[0].orig->offset; + } + else + min = max = 0; + + for (i=0; i<cd->nentry; i++) { + if (cd->entry[i].orig->offset < min) + min = cd->entry[i].orig->offset; + if (min > (zip_uint64_t)cd->offset) { + zip_error_set(error, ZIP_ER_NOZIP, 0); + return -1; + } + + j = cd->entry[i].orig->offset + cd->entry[i].orig->comp_size + + _zip_string_length(cd->entry[i].orig->filename) + LENTRYSIZE; + if (j > max) + max = j; + if (max > (zip_uint64_t)cd->offset) { + zip_error_set(error, ZIP_ER_NOZIP, 0); + return -1; + } + + if (zip_source_seek(za->src, (zip_int64_t)cd->entry[i].orig->offset, SEEK_SET) < 0) { + _zip_error_set_from_source(error, za->src); + return -1; + } + + if (_zip_dirent_read(&temp, za->src, NULL, true, error) == -1) { + _zip_dirent_finalize(&temp); + return -1; + } + + if (_zip_headercomp(cd->entry[i].orig, &temp) != 0) { + zip_error_set(error, ZIP_ER_INCONS, 0); + _zip_dirent_finalize(&temp); + return -1; + } + + cd->entry[i].orig->extra_fields = _zip_ef_merge(cd->entry[i].orig->extra_fields, temp.extra_fields); + cd->entry[i].orig->local_extra_fields_read = 1; + temp.extra_fields = NULL; + + _zip_dirent_finalize(&temp); + } + + return (max-min) < ZIP_INT64_MAX ? (zip_int64_t)(max-min) : ZIP_INT64_MAX; +} + + +/* _zip_headercomp: + compares a central directory entry and a local file header + Return 0 if they are consistent, -1 if not. */ + +static int +_zip_headercomp(const zip_dirent_t *central, const zip_dirent_t *local) +{ + if ((central->version_needed != local->version_needed) +#if 0 + /* some zip-files have different values in local + and global headers for the bitflags */ + || (central->bitflags != local->bitflags) +#endif + || (central->comp_method != local->comp_method) + || (central->last_mod != local->last_mod) + || !_zip_string_equal(central->filename, local->filename)) + return -1; + + if ((central->crc != local->crc) || (central->comp_size != local->comp_size) + || (central->uncomp_size != local->uncomp_size)) { + /* InfoZip stores valid values in local header even when data descriptor is used. + This is in violation of the appnote. */ + if (((local->bitflags & ZIP_GPBF_DATA_DESCRIPTOR) == 0 + || local->crc != 0 || local->comp_size != 0 || local->uncomp_size != 0)) + return -1; + } + + return 0; +} + + +static zip_t * +_zip_allocate_new(zip_source_t *src, unsigned int flags, zip_error_t *error) +{ + zip_t *za; + + if ((za = _zip_new(error)) == NULL) { + return NULL; + } + + za->src = src; + za->open_flags = flags; + if (flags & ZIP_RDONLY) { + za->flags |= ZIP_AFL_RDONLY; + za->ch_flags |= ZIP_AFL_RDONLY; + } + return za; +} + + +/* + * tests for file existence + */ +static exists_t +_zip_file_exists(zip_source_t *src, zip_error_t *error) +{ + struct zip_stat st; + + zip_stat_init(&st); + if (zip_source_stat(src, &st) != 0) { + zip_error_t *src_error = zip_source_error(src); + if (zip_error_code_zip(src_error) == ZIP_ER_READ && zip_error_code_system(src_error) == ENOENT) { + return EXISTS_NOT; + } + _zip_error_copy(error, src_error); + return EXISTS_ERROR; + } + + return (st.valid & ZIP_STAT_SIZE) && st.size == 0 ? EXISTS_EMPTY : EXISTS_NONEMPTY; +} + + +static zip_cdir_t * +_zip_find_central_dir(zip_t *za, zip_uint64_t len) +{ + zip_cdir_t *cdir, *cdirnew; + zip_uint8_t *match; + zip_int64_t buf_offset; + zip_uint64_t buflen; + zip_int64_t a; + zip_int64_t best; + zip_error_t error; + zip_buffer_t *buffer; + + if (len < EOCDLEN) { + zip_error_set(&za->error, ZIP_ER_NOZIP, 0); + return NULL; + } + + buflen = (len < CDBUFSIZE ? len : CDBUFSIZE); + if (zip_source_seek(za->src, -(zip_int64_t)buflen, SEEK_END) < 0) { + zip_error_t *src_error = zip_source_error(za->src); + if (zip_error_code_zip(src_error) != ZIP_ER_SEEK || zip_error_code_system(src_error) != EFBIG) { + /* seek before start of file on my machine */ + _zip_error_copy(&za->error, src_error); + return NULL; + } + } + if ((buf_offset = zip_source_tell(za->src)) < 0) { + _zip_error_set_from_source(&za->error, za->src); + return NULL; + } + + if ((buffer = _zip_buffer_new_from_source(za->src, buflen, NULL, &za->error)) == NULL) { + return NULL; + } + + best = -1; + cdir = NULL; + if (buflen >= CDBUFSIZE) { + /* EOCD64 locator is before EOCD, so leave place for it */ + _zip_buffer_set_offset(buffer, EOCD64LOCLEN); + } + zip_error_set(&error, ZIP_ER_NOZIP, 0); + + match = _zip_buffer_get(buffer, 0); + while ((match=_zip_memmem(match, _zip_buffer_left(buffer)-(EOCDLEN-4), (const unsigned char *)EOCD_MAGIC, 4)) != NULL) { + _zip_buffer_set_offset(buffer, (zip_uint64_t)(match - _zip_buffer_data(buffer))); + if ((cdirnew = _zip_read_cdir(za, buffer, (zip_uint64_t)buf_offset, &error)) != NULL) { + if (cdir) { + if (best <= 0) { + best = _zip_checkcons(za, cdir, &error); + } + + a = _zip_checkcons(za, cdirnew, &error); + if (best < a) { + _zip_cdir_free(cdir); + cdir = cdirnew; + best = a; + } + else { + _zip_cdir_free(cdirnew); + } + } + else { + cdir = cdirnew; + if (za->open_flags & ZIP_CHECKCONS) + best = _zip_checkcons(za, cdir, &error); + else { + best = 0; + } + } + cdirnew = NULL; + } + + match++; + _zip_buffer_set_offset(buffer, (zip_uint64_t)(match - _zip_buffer_data(buffer))); + } + + _zip_buffer_free(buffer); + + if (best < 0) { + _zip_error_copy(&za->error, &error); + _zip_cdir_free(cdir); + return NULL; + } + + return cdir; +} + + +static unsigned char * +_zip_memmem(const unsigned char *big, size_t biglen, const unsigned char *little, size_t littlelen) +{ + const unsigned char *p; + + if ((biglen < littlelen) || (littlelen == 0)) + return NULL; + p = big-1; + while ((p=(const unsigned char *) + memchr(p+1, little[0], (size_t)(big-(p+1))+(size_t)(biglen-littlelen)+1)) != NULL) { + if (memcmp(p+1, little+1, littlelen-1)==0) + return (unsigned char *)p; + } + + return NULL; +} + + +static zip_cdir_t * +_zip_read_eocd(zip_buffer_t *buffer, zip_uint64_t buf_offset, unsigned int flags, zip_error_t *error) +{ + zip_cdir_t *cd; + zip_uint64_t i, nentry, size, offset, eocd_offset; + + if (_zip_buffer_left(buffer) < EOCDLEN) { + zip_error_set(error, ZIP_ER_INCONS, 0); + return NULL; + } + + eocd_offset = _zip_buffer_offset(buffer); + + _zip_buffer_get(buffer, 4); /* magic already verified */ + + if (_zip_buffer_get_32(buffer) != 0) { + zip_error_set(error, ZIP_ER_MULTIDISK, 0); + return NULL; + } + + /* number of cdir-entries on this disk */ + i = _zip_buffer_get_16(buffer); + /* number of cdir-entries */ + nentry = _zip_buffer_get_16(buffer); + + if (nentry != i) { + zip_error_set(error, ZIP_ER_NOZIP, 0); + return NULL; + } + + size = _zip_buffer_get_32(buffer); + offset = _zip_buffer_get_32(buffer); + + if (offset+size < offset) { + zip_error_set(error, ZIP_ER_SEEK, EFBIG); + return NULL; + } + + if (offset+size > buf_offset + eocd_offset) { + /* cdir spans past EOCD record */ + zip_error_set(error, ZIP_ER_INCONS, 0); + return NULL; + } + + if ((flags & ZIP_CHECKCONS) && offset+size != buf_offset + eocd_offset) { + zip_error_set(error, ZIP_ER_INCONS, 0); + return NULL; + } + + if ((cd=_zip_cdir_new(nentry, error)) == NULL) + return NULL; + + cd->size = size; + cd->offset = offset; + + return cd; +} + + +static zip_cdir_t * +_zip_read_eocd64(zip_source_t *src, zip_buffer_t *buffer, zip_uint64_t buf_offset, unsigned int flags, zip_error_t *error) +{ + zip_cdir_t *cd; + zip_uint64_t offset; + zip_uint8_t eocd[EOCD64LEN]; + zip_uint64_t eocd_offset; + zip_uint64_t size, nentry, i, eocdloc_offset; + bool free_buffer; + zip_uint32_t num_disks, num_disks64, eocd_disk, eocd_disk64; + + eocdloc_offset = _zip_buffer_offset(buffer); + + _zip_buffer_get(buffer, 4); /* magic already verified */ + + num_disks = _zip_buffer_get_16(buffer); + eocd_disk = _zip_buffer_get_16(buffer); + eocd_offset = _zip_buffer_get_64(buffer); + + if (eocd_offset > ZIP_INT64_MAX || eocd_offset + EOCD64LEN < eocd_offset) { + zip_error_set(error, ZIP_ER_SEEK, EFBIG); + return NULL; + } + + if (eocd_offset + EOCD64LEN > eocdloc_offset + buf_offset) { + zip_error_set(error, ZIP_ER_INCONS, 0); + return NULL; + } + + if (eocd_offset >= buf_offset && eocd_offset + EOCD64LEN <= buf_offset + _zip_buffer_size(buffer)) { + _zip_buffer_set_offset(buffer, eocd_offset - buf_offset); + free_buffer = false; + } + else { + if (zip_source_seek(src, (zip_int64_t)eocd_offset, SEEK_SET) < 0) { + _zip_error_set_from_source(error, src); + return NULL; + } + if ((buffer = _zip_buffer_new_from_source(src, EOCD64LEN, eocd, error)) == NULL) { + return NULL; + } + free_buffer = true; + } + + if (memcmp(_zip_buffer_get(buffer, 4), EOCD64_MAGIC, 4) != 0) { + zip_error_set(error, ZIP_ER_INCONS, 0); + if (free_buffer) { + _zip_buffer_free(buffer); + } + return NULL; + } + + size = _zip_buffer_get_64(buffer); + + if ((flags & ZIP_CHECKCONS) && size + eocd_offset + 12 != buf_offset + eocdloc_offset) { + zip_error_set(error, ZIP_ER_INCONS, 0); + if (free_buffer) { + _zip_buffer_free(buffer); + } + return NULL; + } + + _zip_buffer_get(buffer, 4); /* skip version made by/needed */ + + num_disks64 = _zip_buffer_get_32(buffer); + eocd_disk64 = _zip_buffer_get_32(buffer); + + /* if eocd values are 0xffff, we have to use eocd64 values. + otherwise, if the values are not the same, it's inconsistent; + in any case, if the value is not 0, we don't support it */ + if (num_disks == 0xffff) { + num_disks = num_disks64; + } + if (eocd_disk == 0xffff) { + eocd_disk = eocd_disk64; + } + if ((flags & ZIP_CHECKCONS) && (eocd_disk != eocd_disk64 || num_disks != num_disks64)) { + zip_error_set(error, ZIP_ER_INCONS, 0); + return NULL; + } + if (num_disks != 0 || eocd_disk != 0) { + zip_error_set(error, ZIP_ER_MULTIDISK, 0); + return NULL; + } + + nentry = _zip_buffer_get_64(buffer); + i = _zip_buffer_get_64(buffer); + + if (nentry != i) { + zip_error_set(error, ZIP_ER_MULTIDISK, 0); + if (free_buffer) { + _zip_buffer_free(buffer); + } + return NULL; + } + + size = _zip_buffer_get_64(buffer); + offset = _zip_buffer_get_64(buffer); + + if (!_zip_buffer_ok(buffer)) { + zip_error_set(error, ZIP_ER_INTERNAL, 0); + if (free_buffer) { + _zip_buffer_free(buffer); + } + return NULL; + } + + if (free_buffer) { + _zip_buffer_free(buffer); + } + + if (offset > ZIP_INT64_MAX || offset+size < offset) { + zip_error_set(error, ZIP_ER_SEEK, EFBIG); + return NULL; + } + if ((flags & ZIP_CHECKCONS) && offset+size != eocd_offset) { + zip_error_set(error, ZIP_ER_INCONS, 0); + return NULL; + } + + if ((cd=_zip_cdir_new(nentry, error)) == NULL) + return NULL; + + + cd->size = size; + cd->offset = offset; + + return cd; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_rename.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,45 @@ +/* + zip_rename.c -- rename file in zip archive + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <string.h> + +#define _ZIP_COMPILING_DEPRECATED +#include "zipint.h" + + +ZIP_EXTERN int +zip_rename(zip_t *za, zip_uint64_t idx, const char *name) +{ + return zip_file_rename(za, idx, name, 0); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_replace.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,43 @@ +/* + zip_replace.c -- replace file via callback function + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#define _ZIP_COMPILING_DEPRECATED +#include "zipint.h" + + +ZIP_EXTERN int +zip_replace(zip_t *za, zip_uint64_t idx, zip_source_t *source) +{ + return zip_file_replace(za, idx, source, 0); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_set_archive_comment.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,82 @@ +/* + zip_set_archive_comment.c -- set archive comment + Copyright (C) 2006-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +ZIP_EXTERN int +zip_set_archive_comment(zip_t *za, const char *comment, zip_uint16_t len) +{ + zip_string_t *cstr; + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + if (len > 0 && comment == NULL) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (len > 0) { + if ((cstr=_zip_string_new((const zip_uint8_t *)comment, len, ZIP_FL_ENC_GUESS, &za->error)) == NULL) + return -1; + + if (_zip_guess_encoding(cstr, ZIP_ENCODING_UNKNOWN) == ZIP_ENCODING_CP437) { + _zip_string_free(cstr); + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + } + else + cstr = NULL; + + _zip_string_free(za->comment_changes); + za->comment_changes = NULL; + + if (((za->comment_orig && _zip_string_equal(za->comment_orig, cstr)) + || (za->comment_orig == NULL && cstr == NULL))) { + _zip_string_free(cstr); + za->comment_changed = 0; + } + else { + za->comment_changes = cstr; + za->comment_changed = 1; + } + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_set_archive_flag.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,67 @@ +/* + zip_get_archive_flag.c -- set archive global flag + Copyright (C) 2008-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_set_archive_flag(zip_t *za, zip_flags_t flag, int value) +{ + unsigned int new_flags; + + if (value) + new_flags = za->ch_flags | flag; + else + new_flags = za->ch_flags & ~flag; + + if (new_flags == za->ch_flags) + return 0; + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + if ((flag & ZIP_AFL_RDONLY) && value + && (za->ch_flags & ZIP_AFL_RDONLY) == 0) { + if (_zip_changed(za, NULL)) { + zip_error_set(&za->error, ZIP_ER_CHANGED, 0); + return -1; + } + } + + za->ch_flags = new_flags; + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_set_default_password.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,59 @@ +/* + zip_set_default_password.c -- set default password for decryption + Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + + +ZIP_EXTERN int +zip_set_default_password(zip_t *za, const char *passwd) +{ + if (za == NULL) + return -1; + + free(za->default_password); + + if (passwd) { + if ((za->default_password=strdup(passwd)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + } + else + za->default_password = NULL; + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_set_file_comment.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,49 @@ +/* + zip_set_file_comment.c -- set comment for file in archive + Copyright (C) 2006-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#define _ZIP_COMPILING_DEPRECATED +#include "zipint.h" + + +ZIP_EXTERN int +zip_set_file_comment(zip_t *za, zip_uint64_t idx, const char *comment, int len) +{ + if (len < 0 || len > ZIP_UINT16_MAX) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + return zip_file_set_comment(za, idx, comment, (zip_uint16_t)len, 0); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_set_file_compression.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,87 @@ +/* + zip_set_file_compression.c -- set compression for file in archive + Copyright (C) 2012-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_set_file_compression(zip_t *za, zip_uint64_t idx, zip_int32_t method, zip_uint32_t flags) +{ + zip_entry_t *e; + zip_int32_t old_method; + + if (idx >= za->nentry) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + if (method != ZIP_CM_DEFAULT && method != ZIP_CM_STORE && method != ZIP_CM_DEFLATE) { + zip_error_set(&za->error, ZIP_ER_COMPNOTSUPP, 0); + return -1; + } + + e = za->entry+idx; + + old_method = (e->orig == NULL ? ZIP_CM_DEFAULT : e->orig->comp_method); + + /* TODO: revisit this when flags are supported, since they may require a recompression */ + + if (method == old_method) { + if (e->changes) { + e->changes->changed &= ~ZIP_DIRENT_COMP_METHOD; + if (e->changes->changed == 0) { + _zip_dirent_free(e->changes); + e->changes = NULL; + } + } + } + else { + if (e->changes == NULL) { + if ((e->changes=_zip_dirent_clone(e->orig)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + } + + e->changes->comp_method = method; + e->changes->changed |= ZIP_DIRENT_COMP_METHOD; + } + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_set_name.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,158 @@ +/* + zip_set_name.c -- rename helper function + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + + +int +_zip_set_name(zip_t *za, zip_uint64_t idx, const char *name, zip_flags_t flags) +{ + zip_entry_t *e; + zip_string_t *str; + bool same_as_orig; + zip_int64_t i; + const zip_uint8_t *old_name, *new_name; + zip_string_t *old_str; + + if (idx >= za->nentry) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + if (name && name[0] != '\0') { + /* TODO: check for string too long */ + if ((str=_zip_string_new((const zip_uint8_t *)name, (zip_uint16_t)strlen(name), flags, &za->error)) == NULL) + return -1; + if ((flags & ZIP_FL_ENCODING_ALL) == ZIP_FL_ENC_GUESS && _zip_guess_encoding(str, ZIP_ENCODING_UNKNOWN) == ZIP_ENCODING_UTF8_GUESSED) + str->encoding = ZIP_ENCODING_UTF8_KNOWN; + } + else + str = NULL; + + /* TODO: encoding flags needed for CP437? */ + if ((i=_zip_name_locate(za, name, 0, NULL)) >= 0 && (zip_uint64_t)i != idx) { + _zip_string_free(str); + zip_error_set(&za->error, ZIP_ER_EXISTS, 0); + return -1; + } + + /* no effective name change */ + if (i>=0 && (zip_uint64_t)i == idx) { + _zip_string_free(str); + return 0; + } + + e = za->entry+idx; + + if (e->orig) + same_as_orig = _zip_string_equal(e->orig->filename, str); + else + same_as_orig = false; + + if (!same_as_orig && e->changes == NULL) { + if ((e->changes=_zip_dirent_clone(e->orig)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + _zip_string_free(str); + return -1; + } + } + + if ((new_name = _zip_string_get(same_as_orig ? e->orig->filename : str, NULL, 0, &za->error)) == NULL) { + _zip_string_free(str); + return -1; + } + + if (e->changes) { + old_str = e->changes->filename; + } + else if (e->orig) { + old_str = e->orig->filename; + } + else { + old_str = NULL; + } + + if (old_str) { + if ((old_name = _zip_string_get(old_str, NULL, 0, &za->error)) == NULL) { + _zip_string_free(str); + return -1; + } + } + else { + old_name = NULL; + } + + if (_zip_hash_add(za->names, new_name, idx, 0, &za->error) == false) { + _zip_string_free(str); + return -1; + } + if (old_name) { + _zip_hash_delete(za->names, old_name, NULL); + } + + if (same_as_orig) { + if (e->changes) { + if (e->changes->changed & ZIP_DIRENT_FILENAME) { + _zip_string_free(e->changes->filename); + e->changes->changed &= ~ZIP_DIRENT_FILENAME; + if (e->changes->changed == 0) { + _zip_dirent_free(e->changes); + e->changes = NULL; + } + else { + /* TODO: what if not cloned? can that happen? */ + e->changes->filename = e->orig->filename; + } + } + } + _zip_string_free(str); + } + else { + if (e->changes->changed & ZIP_DIRENT_FILENAME) { + _zip_string_free(e->changes->filename); + } + e->changes->changed |= ZIP_DIRENT_FILENAME; + e->changes->filename = str; + } + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_begin_write.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,53 @@ +/* + zip_source_begin_write.c -- start a new file for writing + Copyright (C) 2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_source_begin_write(zip_source_t *src) +{ + if (ZIP_SOURCE_IS_OPEN_WRITING(src)) { + zip_error_set(&src->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (_zip_source_call(src, NULL, 0, ZIP_SOURCE_BEGIN_WRITE) < 0) { + return -1; + } + + src->write_state = ZIP_SOURCE_WRITE_OPEN; + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_buffer.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,435 @@ +/* + zip_source_buffer.c -- create zip data source from buffer + Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + +#ifndef WRITE_FRAGMENT_SIZE +#define WRITE_FRAGMENT_SIZE 64*1024 +#endif + +struct buffer { + zip_uint64_t fragment_size; /* size of each fragment */ + + zip_uint8_t **fragments; /* pointers to fragments */ + zip_uint64_t nfragments; /* number of allocated fragments */ + zip_uint64_t fragments_capacity; /* size of fragments (number of pointers) */ + zip_uint64_t size; /* size of data in bytes */ + zip_uint64_t offset; /* current offset */ + int free_data; +}; + +typedef struct buffer buffer_t; + +struct read_data { + zip_error_t error; + time_t mtime; + buffer_t *in; + buffer_t *out; +}; + +static void buffer_free(buffer_t *buffer); +static buffer_t *buffer_new(zip_uint64_t fragment_size); +static buffer_t *buffer_new_read(const void *data, zip_uint64_t length, int free_data); +static buffer_t *buffer_new_write(zip_uint64_t fragment_size); +static zip_int64_t buffer_read(buffer_t *buffer, zip_uint8_t *data, zip_uint64_t length); +static int buffer_seek(buffer_t *buffer, void *data, zip_uint64_t len, zip_error_t *error); +static zip_int64_t buffer_write(buffer_t *buffer, const zip_uint8_t *data, zip_uint64_t length, zip_error_t *); + +static zip_int64_t read_data(void *, void *, zip_uint64_t, zip_source_cmd_t); + + +ZIP_EXTERN zip_source_t * +zip_source_buffer(zip_t *za, const void *data, zip_uint64_t len, int freep) +{ + if (za == NULL) + return NULL; + + return zip_source_buffer_create(data, len, freep, &za->error); +} + + +ZIP_EXTERN zip_source_t * +zip_source_buffer_create(const void *data, zip_uint64_t len, int freep, zip_error_t *error) +{ + struct read_data *ctx; + zip_source_t *zs; + + if (data == NULL && len > 0) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + if ((ctx=(struct read_data *)malloc(sizeof(*ctx))) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + if ((ctx->in = buffer_new_read(data, len, freep)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + free(ctx); + return NULL; + } + + ctx->out = NULL; + ctx->mtime = time(NULL); + zip_error_init(&ctx->error); + + if ((zs=zip_source_function_create(read_data, ctx, error)) == NULL) { + buffer_free(ctx->in); + free(ctx); + return NULL; + } + + return zs; +} + + +static zip_int64_t +read_data(void *state, void *data, zip_uint64_t len, zip_source_cmd_t cmd) +{ + struct read_data *ctx = (struct read_data *)state; + + switch (cmd) { + case ZIP_SOURCE_BEGIN_WRITE: + if ((ctx->out = buffer_new_write(WRITE_FRAGMENT_SIZE)) == NULL) { + zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0); + return -1; + } + return 0; + + case ZIP_SOURCE_CLOSE: + return 0; + + case ZIP_SOURCE_COMMIT_WRITE: + buffer_free(ctx->in); + ctx->in = ctx->out; + ctx->out = NULL; + return 0; + + case ZIP_SOURCE_ERROR: + return zip_error_to_data(&ctx->error, data, len); + + case ZIP_SOURCE_FREE: + buffer_free(ctx->in); + buffer_free(ctx->out); + free(ctx); + return 0; + + case ZIP_SOURCE_OPEN: + ctx->in->offset = 0; + return 0; + + case ZIP_SOURCE_READ: + if (len > ZIP_INT64_MAX) { + zip_error_set(&ctx->error, ZIP_ER_INVAL, 0); + return -1; + } + return buffer_read(ctx->in, data, len); + + case ZIP_SOURCE_REMOVE: + { + buffer_t *empty = buffer_new_read(NULL, 0, 0); + if (empty == 0) { + zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0); + return -1; + } + + buffer_free(ctx->in); + ctx->in = empty; + return 0; + } + + case ZIP_SOURCE_ROLLBACK_WRITE: + buffer_free(ctx->out); + ctx->out = NULL; + return 0; + + case ZIP_SOURCE_SEEK: + return buffer_seek(ctx->in, data, len, &ctx->error); + + case ZIP_SOURCE_SEEK_WRITE: + return buffer_seek(ctx->out, data, len, &ctx->error); + + case ZIP_SOURCE_STAT: + { + zip_stat_t *st; + + if (len < sizeof(*st)) { + zip_error_set(&ctx->error, ZIP_ER_INVAL, 0); + return -1; + } + + st = (zip_stat_t *)data; + + zip_stat_init(st); + st->mtime = ctx->mtime; + st->size = ctx->in->size; + st->comp_size = st->size; + st->comp_method = ZIP_CM_STORE; + st->encryption_method = ZIP_EM_NONE; + st->valid = ZIP_STAT_MTIME|ZIP_STAT_SIZE|ZIP_STAT_COMP_SIZE|ZIP_STAT_COMP_METHOD|ZIP_STAT_ENCRYPTION_METHOD; + + return sizeof(*st); + } + + case ZIP_SOURCE_SUPPORTS: + return zip_source_make_command_bitmap(ZIP_SOURCE_OPEN, ZIP_SOURCE_READ, ZIP_SOURCE_CLOSE, ZIP_SOURCE_STAT, ZIP_SOURCE_ERROR, ZIP_SOURCE_FREE, ZIP_SOURCE_SEEK, ZIP_SOURCE_TELL, ZIP_SOURCE_BEGIN_WRITE, ZIP_SOURCE_COMMIT_WRITE, ZIP_SOURCE_REMOVE, ZIP_SOURCE_ROLLBACK_WRITE, ZIP_SOURCE_SEEK_WRITE, ZIP_SOURCE_TELL_WRITE, ZIP_SOURCE_WRITE, -1); + + case ZIP_SOURCE_TELL: + if (ctx->in->offset > ZIP_INT64_MAX) { + zip_error_set(&ctx->error, ZIP_ER_TELL, EOVERFLOW); + return -1; + } + return (zip_int64_t)ctx->in->offset; + + + case ZIP_SOURCE_TELL_WRITE: + if (ctx->out->offset > ZIP_INT64_MAX) { + zip_error_set(&ctx->error, ZIP_ER_TELL, EOVERFLOW); + return -1; + } + return (zip_int64_t)ctx->out->offset; + + case ZIP_SOURCE_WRITE: + if (len > ZIP_INT64_MAX) { + zip_error_set(&ctx->error, ZIP_ER_INVAL, 0); + return -1; + } + return buffer_write(ctx->out, data, len, &ctx->error); + + default: + zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0); + return -1; + } +} + + +static void +buffer_free(buffer_t *buffer) +{ + if (buffer == NULL) { + return; + } + + if (buffer->free_data) { + zip_uint64_t i; + + for (i=0; i < buffer->nfragments; i++) { + free(buffer->fragments[i]); + } + } + free(buffer->fragments); + free(buffer); +} + + +static buffer_t * +buffer_new(zip_uint64_t fragment_size) +{ + buffer_t *buffer; + + if ((buffer = malloc(sizeof(*buffer))) == NULL) { + return NULL; + } + + buffer->fragment_size = fragment_size; + buffer->offset = 0; + buffer->free_data = 0; + buffer->nfragments = 0; + buffer->fragments_capacity = 0; + buffer->fragments = NULL; + buffer->size = 0; + + return buffer; +} + + +static buffer_t * +buffer_new_read(const void *data, zip_uint64_t length, int free_data) +{ + buffer_t *buffer; + + if ((buffer = buffer_new(length)) == NULL) { + return NULL; + } + + buffer->size = length; + + if (length > 0) { + if ((buffer->fragments = malloc(sizeof(*(buffer->fragments)))) == NULL) { + buffer_free(buffer); + return NULL; + } + buffer->fragments_capacity = 1; + + buffer->nfragments = 1; + buffer->fragments[0] = (zip_uint8_t *)data; + buffer->free_data = free_data; + } + + return buffer; +} + + +static buffer_t * +buffer_new_write(zip_uint64_t fragment_size) +{ + buffer_t *buffer; + + if ((buffer = buffer_new(fragment_size)) == NULL) { + return NULL; + } + + if ((buffer->fragments = malloc(sizeof(*(buffer->fragments)))) == NULL) { + buffer_free(buffer); + return NULL; + } + buffer->fragments_capacity = 1; + buffer->nfragments = 0; + buffer->free_data = 1; + + return buffer; +} + + +static zip_int64_t +buffer_read(buffer_t *buffer, zip_uint8_t *data, zip_uint64_t length) +{ + zip_uint64_t n, i, fragment_offset; + + length = ZIP_MIN(length, buffer->size - buffer->offset); + + if (length == 0) { + return 0; + } + if (length > ZIP_INT64_MAX) { + return -1; + } + + i = buffer->offset / buffer->fragment_size; + fragment_offset = buffer->offset % buffer->fragment_size; + n = 0; + while (n < length) { + zip_uint64_t left = ZIP_MIN(length - n, buffer->fragment_size - fragment_offset); + + memcpy(data + n, buffer->fragments[i] + fragment_offset, left); + + n += left; + i++; + fragment_offset = 0; + } + + buffer->offset += n; + return (zip_int64_t)n; +} + + +static int +buffer_seek(buffer_t *buffer, void *data, zip_uint64_t len, zip_error_t *error) +{ + zip_int64_t new_offset = zip_source_seek_compute_offset(buffer->offset, buffer->size, data, len, error); + + if (new_offset < 0) { + return -1; + } + + buffer->offset = (zip_uint64_t)new_offset; + return 0; +} + + +static zip_int64_t +buffer_write(buffer_t *buffer, const zip_uint8_t *data, zip_uint64_t length, zip_error_t *error) +{ + zip_uint64_t n, i, fragment_offset; + zip_uint8_t **fragments; + + if (buffer->offset + length + buffer->fragment_size - 1 < length) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return -1; + } + + /* grow buffer if needed */ + if (buffer->offset + length > buffer->nfragments * buffer->fragment_size) { + zip_uint64_t needed_fragments = (buffer->offset + length + buffer->fragment_size - 1) / buffer->fragment_size; + + if (needed_fragments > buffer->fragments_capacity) { + zip_uint64_t new_capacity = buffer->fragments_capacity; + + while (new_capacity < needed_fragments) { + new_capacity *= 2; + } + + fragments = realloc(buffer->fragments, new_capacity * sizeof(*fragments)); + + if (fragments == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return -1; + } + + buffer->fragments = fragments; + buffer->fragments_capacity = new_capacity; + } + + while (buffer->nfragments < needed_fragments) { + if ((buffer->fragments[buffer->nfragments] = malloc(buffer->fragment_size)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return -1; + } + buffer->nfragments++; + } + } + + i = buffer->offset / buffer->fragment_size; + fragment_offset = buffer->offset % buffer->fragment_size; + n = 0; + while (n < length) { + zip_uint64_t left = ZIP_MIN(length - n, buffer->fragment_size - fragment_offset); + + memcpy(buffer->fragments[i] + fragment_offset, data + n, left); + + n += left; + i++; + fragment_offset = 0; + } + + buffer->offset += n; + if (buffer->offset > buffer->size) { + buffer->size = buffer->offset; + } + + return (zip_int64_t)n; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_call.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,69 @@ +/* + zip_source_call.c -- invoke callback command on zip_source + Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + + +#include "zipint.h" + + +zip_int64_t +_zip_source_call(zip_source_t *src, void *data, zip_uint64_t length, zip_source_cmd_t command) +{ + zip_int64_t ret; + + if ((src->supports & ZIP_SOURCE_MAKE_COMMAND_BITMASK(command)) == 0) { + zip_error_set(&src->error, ZIP_ER_OPNOTSUPP, 0); + return -1; + } + + if (src->src == NULL) { + ret = src->cb.f(src->ud, data, length, command); + } + else { + ret = src->cb.l(src->src, src->ud, data, length, command); + } + + if (ret < 0) { + if (command != ZIP_SOURCE_ERROR && command != ZIP_SOURCE_SUPPORTS) { + int e[2]; + + if (_zip_source_call(src, e, sizeof(e), ZIP_SOURCE_ERROR) < 0) { + zip_error_set(&src->error, ZIP_ER_INTERNAL, 0); + } + else { + zip_error_set(&src->error, e[0], e[1]); + } + } + } + + return ret; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_close.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,58 @@ +/* + zip_source_close.c -- close zip_source (stop reading) + Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +int +zip_source_close(zip_source_t *src) +{ + if (!ZIP_SOURCE_IS_OPEN_READING(src)) { + zip_error_set(&src->error, ZIP_ER_INVAL, 0); + return -1; + } + + src->open_count--; + if (src->open_count == 0) { + _zip_source_call(src, NULL, 0, ZIP_SOURCE_CLOSE); + + if (ZIP_SOURCE_IS_LAYERED(src)) { + if (zip_source_close(src->src) < 0) { + zip_error_set(&src->error, ZIP_ER_INTERNAL, 0); + } + } + } + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_commit_write.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,64 @@ +/* + zip_source_commit_write.c -- commit changes to file + Copyright (C) 2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_source_commit_write(zip_source_t *src) +{ + if (!ZIP_SOURCE_IS_OPEN_WRITING(src)) { + zip_error_set(&src->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (src->open_count > 1) { + zip_error_set(&src->error, ZIP_ER_INUSE, 0); + return -1; + } + else if (ZIP_SOURCE_IS_OPEN_READING(src)) { + if (zip_source_close(src) < 0) { + return -1; + } + } + + if (_zip_source_call(src, NULL, 0, ZIP_SOURCE_COMMIT_WRITE) < 0) { + src->write_state = ZIP_SOURCE_WRITE_FAILED; + return -1; + } + + src->write_state = ZIP_SOURCE_WRITE_CLOSED; + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_crc.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,202 @@ +/* + zip_source_crc.c -- pass-through source that calculates CRC32 and size + Copyright (C) 2009-2016 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> +#include <string.h> +#include <limits.h> + +#include "zipint.h" + +struct crc_context { + int validate; /* whether to check CRC on EOF and return error on mismatch */ + int crc_complete; /* whether CRC was computed for complete file */ + zip_error_t error; + zip_uint64_t size; + zip_uint64_t position; /* current reading position */ + zip_uint64_t crc_position; /* how far we've computed the CRC */ + zip_uint32_t crc; +}; + +static zip_int64_t crc_read(zip_source_t *, void *, void *, zip_uint64_t, zip_source_cmd_t); + + +zip_source_t * +zip_source_crc(zip_t *za, zip_source_t *src, int validate) +{ + struct crc_context *ctx; + + if (src == NULL) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return NULL; + } + + if ((ctx=(struct crc_context *)malloc(sizeof(*ctx))) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return NULL; + } + + zip_error_init(&ctx->error); + ctx->validate = validate; + ctx->crc_complete = 0; + ctx->crc_position = 0; + ctx->crc = (zip_uint32_t)crc32(0, NULL, 0); + ctx->size = 0; + + return zip_source_layered(za, src, crc_read, ctx); +} + + +static zip_int64_t +crc_read(zip_source_t *src, void *_ctx, void *data, zip_uint64_t len, zip_source_cmd_t cmd) +{ + struct crc_context *ctx; + zip_int64_t n; + + ctx = (struct crc_context *)_ctx; + + switch (cmd) { + case ZIP_SOURCE_OPEN: + ctx->position = 0; + return 0; + + case ZIP_SOURCE_READ: + if ((n = zip_source_read(src, data, len)) < 0) { + _zip_error_set_from_source(&ctx->error, src); + return -1; + } + + if (n == 0) { + if (ctx->crc_position == ctx->position) { + ctx->crc_complete = 1; + ctx->size = ctx->position; + + if (ctx->validate) { + struct zip_stat st; + + if (zip_source_stat(src, &st) < 0) { + _zip_error_set_from_source(&ctx->error, src); + return -1; + } + + if ((st.valid & ZIP_STAT_CRC) && st.crc != ctx->crc) { + zip_error_set(&ctx->error, ZIP_ER_CRC, 0); + return -1; + } + if ((st.valid & ZIP_STAT_SIZE) && st.size != ctx->size) { + zip_error_set(&ctx->error, ZIP_ER_INCONS, 0); + return -1; + } + } + } + } + else if (!ctx->crc_complete && ctx->position <= ctx->crc_position) { + zip_uint64_t i, nn; + + for (i = ctx->crc_position - ctx->position; i < (zip_uint64_t)n; i += nn) { + nn = ZIP_MIN(UINT_MAX, (zip_uint64_t)n-i); + + ctx->crc = (zip_uint32_t)crc32(ctx->crc, (const Bytef *)data+i, (uInt)nn); + ctx->crc_position += nn; + } + } + ctx->position += (zip_uint64_t)n; + return n; + + case ZIP_SOURCE_CLOSE: + return 0; + + case ZIP_SOURCE_STAT: + { + zip_stat_t *st; + + st = (zip_stat_t *)data; + + if (ctx->crc_complete) { + /* TODO: Set comp_size, comp_method, encryption_method? + After all, this only works for uncompressed data. */ + st->size = ctx->size; + st->crc = ctx->crc; + st->comp_size = ctx->size; + st->comp_method = ZIP_CM_STORE; + st->encryption_method = ZIP_EM_NONE; + st->valid |= ZIP_STAT_SIZE|ZIP_STAT_CRC|ZIP_STAT_COMP_SIZE|ZIP_STAT_COMP_METHOD|ZIP_STAT_ENCRYPTION_METHOD;; + } + return 0; + } + + case ZIP_SOURCE_ERROR: + return zip_error_to_data(&ctx->error, data, len); + + case ZIP_SOURCE_FREE: + free(ctx); + return 0; + + case ZIP_SOURCE_SUPPORTS: + { + zip_int64_t mask = zip_source_supports(src); + + if (mask < 0) { + _zip_error_set_from_source(&ctx->error, src); + return -1; + } + + return mask & ~zip_source_make_command_bitmap(ZIP_SOURCE_BEGIN_WRITE, ZIP_SOURCE_COMMIT_WRITE, ZIP_SOURCE_ROLLBACK_WRITE, ZIP_SOURCE_SEEK_WRITE, ZIP_SOURCE_TELL_WRITE, ZIP_SOURCE_REMOVE, -1); + } + + case ZIP_SOURCE_SEEK: + { + zip_int64_t new_position; + zip_source_args_seek_t *args = ZIP_SOURCE_GET_ARGS(zip_source_args_seek_t, data, len, &ctx->error); + + if (args == NULL) { + return -1; + } + if (zip_source_seek(src, args->offset, args->whence) < 0 || (new_position = zip_source_tell(src)) < 0) { + _zip_error_set_from_source(&ctx->error, src); + return -1; + } + + ctx->position = (zip_uint64_t)new_position; + + return 0; + } + + case ZIP_SOURCE_TELL: + return (zip_int64_t)ctx->position; + + default: + zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0); + return -1; + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_deflate.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,415 @@ +/* + zip_source_deflate.c -- deflate (de)compressoin routines + Copyright (C) 2009-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include <stdlib.h> +#include <string.h> +#include <limits.h> + +#include "zipint.h" + +struct deflate { + zip_error_t error; + + bool eof; + bool can_store; + bool is_stored; + int mem_level; + zip_uint64_t size; + zip_uint8_t buffer[BUFSIZE]; + z_stream zstr; +}; + +static zip_int64_t compress_read(zip_source_t *, struct deflate *, void *, zip_uint64_t); +static zip_int64_t decompress_read(zip_source_t *, struct deflate *, void *, zip_uint64_t); +static zip_int64_t deflate_compress(zip_source_t *, void *, void *, zip_uint64_t, zip_source_cmd_t); +static zip_int64_t deflate_decompress(zip_source_t *, void *, void *, zip_uint64_t, zip_source_cmd_t); +static void deflate_free(struct deflate *); + + +zip_source_t * +zip_source_deflate(zip_t *za, zip_source_t *src, zip_int32_t cm, int flags) +{ + struct deflate *ctx; + zip_source_t *s2; + + if (src == NULL || (cm != ZIP_CM_DEFLATE && !ZIP_CM_IS_DEFAULT(cm))) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return NULL; + } + + if ((ctx=(struct deflate *)malloc(sizeof(*ctx))) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return NULL; + } + + zip_error_init(&ctx->error); + ctx->eof = false; + ctx->is_stored = false; + ctx->can_store = ZIP_CM_IS_DEFAULT(cm); + if (flags & ZIP_CODEC_ENCODE) { + ctx->mem_level = MAX_MEM_LEVEL; + } + + if ((s2=zip_source_layered(za, src, + ((flags & ZIP_CODEC_ENCODE) + ? deflate_compress : deflate_decompress), + ctx)) == NULL) { + deflate_free(ctx); + return NULL; + } + + return s2; +} + + +static zip_int64_t +compress_read(zip_source_t *src, struct deflate *ctx, void *data, zip_uint64_t len) +{ + int end, ret; + zip_int64_t n; + zip_uint64_t out_offset; + uInt out_len; + + if (zip_error_code_zip(&ctx->error) != ZIP_ER_OK) + return -1; + + if (len == 0 || ctx->is_stored) { + return 0; + } + + out_offset = 0; + out_len = (uInt)ZIP_MIN(UINT_MAX, len); + ctx->zstr.next_out = (Bytef *)data; + ctx->zstr.avail_out = out_len; + + end = 0; + while (!end) { + ret = deflate(&ctx->zstr, ctx->eof ? Z_FINISH : 0); + + switch (ret) { + case Z_STREAM_END: + if (ctx->can_store && ctx->zstr.total_in <= ctx->zstr.total_out) { + ctx->is_stored = true; + ctx->size = ctx->zstr.total_in; + memcpy(data, ctx->buffer, ctx->size); + return (zip_int64_t)ctx->size; + } + /* fallthrough */ + case Z_OK: + /* all ok */ + + if (ctx->zstr.avail_out == 0) { + out_offset += out_len; + if (out_offset < len) { + out_len = (uInt)ZIP_MIN(UINT_MAX, len-out_offset); + ctx->zstr.next_out = (Bytef *)data+out_offset; + ctx->zstr.avail_out = out_len; + } + else { + ctx->can_store = false; + end = 1; + } + } + else if (ctx->eof && ctx->zstr.avail_in == 0) + end = 1; + break; + + case Z_BUF_ERROR: + if (ctx->zstr.avail_in == 0) { + if (ctx->eof) { + end = 1; + break; + } + + if ((n=zip_source_read(src, ctx->buffer, sizeof(ctx->buffer))) < 0) { + _zip_error_set_from_source(&ctx->error, src); + end = 1; + break; + } + else if (n == 0) { + ctx->eof = true; + /* TODO: check against stat of src? */ + ctx->size = ctx->zstr.total_in; + } + else { + if (ctx->zstr.total_in > 0) { + /* we overwrote a previously filled ctx->buffer */ + ctx->can_store = false; + } + ctx->zstr.next_in = (Bytef *)ctx->buffer; + ctx->zstr.avail_in = (uInt)n; + } + continue; + } + /* fallthrough */ + case Z_NEED_DICT: + case Z_DATA_ERROR: + case Z_STREAM_ERROR: + case Z_MEM_ERROR: + zip_error_set(&ctx->error, ZIP_ER_ZLIB, ret); + + end = 1; + break; + } + } + + if (ctx->zstr.avail_out < len) { + ctx->can_store = false; + return (zip_int64_t)(len - ctx->zstr.avail_out); + } + + return (zip_error_code_zip(&ctx->error) == ZIP_ER_OK) ? 0 : -1; +} + + +static zip_int64_t +decompress_read(zip_source_t *src, struct deflate *ctx, void *data, zip_uint64_t len) +{ + int end, ret; + zip_int64_t n; + zip_uint64_t out_offset; + uInt out_len; + + if (zip_error_code_zip(&ctx->error) != ZIP_ER_OK) + return -1; + + if (len == 0) + return 0; + + out_offset = 0; + out_len = (uInt)ZIP_MIN(UINT_MAX, len); + ctx->zstr.next_out = (Bytef *)data; + ctx->zstr.avail_out = out_len; + + end = 0; + while (!end) { + ret = inflate(&ctx->zstr, Z_SYNC_FLUSH); + + switch (ret) { + case Z_OK: + if (ctx->zstr.avail_out == 0) { + out_offset += out_len; + if (out_offset < len) { + out_len = (uInt)ZIP_MIN(UINT_MAX, len-out_offset); + ctx->zstr.next_out = (Bytef *)data+out_offset; + ctx->zstr.avail_out = out_len; + } + else { + end = 1; + } + } + break; + + case Z_STREAM_END: + ctx->eof = 1; + end = 1; + break; + + case Z_BUF_ERROR: + if (ctx->zstr.avail_in == 0) { + if (ctx->eof) { + end = 1; + break; + } + + if ((n=zip_source_read(src, ctx->buffer, sizeof(ctx->buffer))) < 0) { + _zip_error_set_from_source(&ctx->error, src); + end = 1; + break; + } + else if (n == 0) { + ctx->eof = 1; + } + else { + ctx->zstr.next_in = (Bytef *)ctx->buffer; + ctx->zstr.avail_in = (uInt)n; + } + continue; + } + /* fallthrough */ + case Z_NEED_DICT: + case Z_DATA_ERROR: + case Z_STREAM_ERROR: + case Z_MEM_ERROR: + zip_error_set(&ctx->error, ZIP_ER_ZLIB, ret); + end = 1; + break; + } + } + + if (ctx->zstr.avail_out < len) + return (zip_int64_t)(len - ctx->zstr.avail_out); + + return (zip_error_code_zip(&ctx->error) == ZIP_ER_OK) ? 0 : -1; +} + + +static zip_int64_t +deflate_compress(zip_source_t *src, void *ud, void *data, zip_uint64_t len, zip_source_cmd_t cmd) +{ + struct deflate *ctx; + int ret; + + ctx = (struct deflate *)ud; + + switch (cmd) { + case ZIP_SOURCE_OPEN: + ctx->zstr.zalloc = Z_NULL; + ctx->zstr.zfree = Z_NULL; + ctx->zstr.opaque = NULL; + ctx->zstr.avail_in = 0; + ctx->zstr.next_in = NULL; + ctx->zstr.avail_out = 0; + ctx->zstr.next_out = NULL; + + /* negative value to tell zlib not to write a header */ + if ((ret=deflateInit2(&ctx->zstr, Z_BEST_COMPRESSION, Z_DEFLATED, -MAX_WBITS, ctx->mem_level, Z_DEFAULT_STRATEGY)) != Z_OK) { + zip_error_set(&ctx->error, ZIP_ER_ZLIB, ret); + return -1; + } + + return 0; + + case ZIP_SOURCE_READ: + return compress_read(src, ctx, data, len); + + case ZIP_SOURCE_CLOSE: + deflateEnd(&ctx->zstr); + return 0; + + case ZIP_SOURCE_STAT: + { + zip_stat_t *st; + + st = (zip_stat_t *)data; + + st->comp_method = ctx->is_stored ? ZIP_CM_STORE : ZIP_CM_DEFLATE; + st->valid |= ZIP_STAT_COMP_METHOD; + if (ctx->eof) { + st->comp_size = ctx->size; + st->valid |= ZIP_STAT_COMP_SIZE; + } + else + st->valid &= ~ZIP_STAT_COMP_SIZE; + } + return 0; + + case ZIP_SOURCE_ERROR: + return zip_error_to_data(&ctx->error, data, len); + + case ZIP_SOURCE_FREE: + deflate_free(ctx); + return 0; + + case ZIP_SOURCE_SUPPORTS: + return ZIP_SOURCE_SUPPORTS_READABLE; + + default: + zip_error_set(&ctx->error, ZIP_ER_INTERNAL, 0); + return -1; + } +} + + +static zip_int64_t +deflate_decompress(zip_source_t *src, void *ud, void *data, + zip_uint64_t len, zip_source_cmd_t cmd) +{ + struct deflate *ctx; + zip_int64_t n; + int ret; + + ctx = (struct deflate *)ud; + + switch (cmd) { + case ZIP_SOURCE_OPEN: + if ((n=zip_source_read(src, ctx->buffer, sizeof(ctx->buffer))) < 0) { + _zip_error_set_from_source(&ctx->error, src); + return -1; + } + + ctx->zstr.zalloc = Z_NULL; + ctx->zstr.zfree = Z_NULL; + ctx->zstr.opaque = NULL; + ctx->zstr.next_in = (Bytef *)ctx->buffer; + ctx->zstr.avail_in = (uInt)n; + + /* negative value to tell zlib that there is no header */ + if ((ret=inflateInit2(&ctx->zstr, -MAX_WBITS)) != Z_OK) { + zip_error_set(&ctx->error, ZIP_ER_ZLIB, ret); + return -1; + } + return 0; + + case ZIP_SOURCE_READ: + return decompress_read(src, ctx, data, len); + + case ZIP_SOURCE_CLOSE: + inflateEnd(&ctx->zstr); + return 0; + + case ZIP_SOURCE_STAT: + { + zip_stat_t *st; + + st = (zip_stat_t *)data; + + st->comp_method = ZIP_CM_STORE; + if (st->comp_size > 0 && st->size > 0) + st->comp_size = st->size; + + return 0; + } + + case ZIP_SOURCE_ERROR: + return zip_error_to_data(&ctx->error, data, len); + + case ZIP_SOURCE_FREE: + free(ctx); + return 0; + + case ZIP_SOURCE_SUPPORTS: + return zip_source_make_command_bitmap(ZIP_SOURCE_OPEN, ZIP_SOURCE_READ, ZIP_SOURCE_CLOSE, ZIP_SOURCE_STAT, ZIP_SOURCE_ERROR, ZIP_SOURCE_FREE, -1); + + default: + zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0); + return -1; + } +} + + +static void +deflate_free(struct deflate *ctx) +{ + free(ctx); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_error.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,42 @@ +/* + zip_source_error.c -- get last error from zip_source + Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +zip_error_t * +zip_source_error(zip_source_t *src) +{ + return &src->error; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_file.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,59 @@ +/* + zip_source_file.c -- create data source from file + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdio.h> + +#include "zipint.h" + + +ZIP_EXTERN zip_source_t * +zip_source_file(zip_t *za, const char *fname, zip_uint64_t start, zip_int64_t len) +{ + if (za == NULL) + return NULL; + + return zip_source_file_create(fname, start, len, &za->error); +} + + +ZIP_EXTERN zip_source_t * +zip_source_file_create(const char *fname, zip_uint64_t start, zip_int64_t length, zip_error_t *error) +{ + if (fname == NULL || length < -1) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + return _zip_source_file_or_p(fname, NULL, start, length, NULL, error); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_filep.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,503 @@ +/* + zip_source_filep.c -- create data source from FILE * + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include <sys/stat.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#ifdef _WIN32 +/* WIN32 needs <fcntl.h> for _O_BINARY */ +#include <fcntl.h> +#endif + +/* Windows sys/types.h does not provide these */ +#ifndef S_ISREG +#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) +#endif +#if defined(S_IXUSR) && defined(S_IRWXG) && defined(S_IRWXO) +#define _SAFE_MASK (S_IXUSR | S_IRWXG | S_IRWXO) +#elif defined(_S_IWRITE) +#define _SAFE_MASK (_S_IWRITE) +#else +#error do not know safe values for umask, please report this +#endif + +#ifdef _MSC_VER +/* MSVC doesn't have mode_t */ +typedef int mode_t; +#endif + +struct read_file { + zip_error_t error; /* last error information */ + zip_int64_t supports; + + /* reading */ + char *fname; /* name of file to read from */ + FILE *f; /* file to read from */ + struct zip_stat st; /* stat information passed in */ + zip_uint64_t start; /* start offset of data to read */ + zip_uint64_t end; /* end offset of data to read, 0 for up to EOF */ + zip_uint64_t current; /* current offset */ + + /* writing */ + char *tmpname; + FILE *fout; +}; + +static zip_int64_t read_file(void *state, void *data, zip_uint64_t len, zip_source_cmd_t cmd); +static int create_temp_output(struct read_file *ctx); +static int _zip_fseek_u(FILE *f, zip_uint64_t offset, int whence, zip_error_t *error); +static int _zip_fseek(FILE *f, zip_int64_t offset, int whence, zip_error_t *error); + + +ZIP_EXTERN zip_source_t * +zip_source_filep(zip_t *za, FILE *file, zip_uint64_t start, zip_int64_t len) +{ + if (za == NULL) + return NULL; + + return zip_source_filep_create(file, start, len, &za->error); +} + + +ZIP_EXTERN zip_source_t * +zip_source_filep_create(FILE *file, zip_uint64_t start, zip_int64_t length, zip_error_t *error) +{ + if (file == NULL || length < -1) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + return _zip_source_file_or_p(NULL, file, start, length, NULL, error); +} + + +zip_source_t * +_zip_source_file_or_p(const char *fname, FILE *file, zip_uint64_t start, zip_int64_t len, const zip_stat_t *st, zip_error_t *error) +{ + struct read_file *ctx; + zip_source_t *zs; + + if (file == NULL && fname == NULL) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + if ((ctx=(struct read_file *)malloc(sizeof(struct read_file))) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + ctx->fname = NULL; + if (fname) { + if ((ctx->fname=strdup(fname)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + free(ctx); + return NULL; + } + } + ctx->f = file; + ctx->start = start; + ctx->end = (len < 0 ? 0 : start+(zip_uint64_t)len); + if (st) { + memcpy(&ctx->st, st, sizeof(ctx->st)); + ctx->st.name = NULL; + ctx->st.valid &= ~ZIP_STAT_NAME; + } + else { + zip_stat_init(&ctx->st); + } + + ctx->tmpname = NULL; + ctx->fout = NULL; + + zip_error_init(&ctx->error); + + ctx->supports = ZIP_SOURCE_SUPPORTS_READABLE | zip_source_make_command_bitmap(ZIP_SOURCE_SUPPORTS, ZIP_SOURCE_TELL, -1); + if (ctx->fname) { + struct stat sb; + + if (stat(ctx->fname, &sb) < 0 || S_ISREG(sb.st_mode)) { + ctx->supports = ZIP_SOURCE_SUPPORTS_WRITABLE; + } + } + else if (fseeko(ctx->f, 0, SEEK_CUR) == 0) { + ctx->supports = ZIP_SOURCE_SUPPORTS_SEEKABLE; + } + + if ((zs=zip_source_function_create(read_file, ctx, error)) == NULL) { + free(ctx->fname); + free(ctx); + return NULL; + } + + return zs; +} + + +static int +create_temp_output(struct read_file *ctx) +{ + char *temp; + int tfd; + mode_t mask; + FILE *tfp; + + if ((temp=(char *)malloc(strlen(ctx->fname)+8)) == NULL) { + zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0); + return -1; + } + sprintf(temp, "%s.XXXXXX", ctx->fname); + + mask = umask(_SAFE_MASK); + if ((tfd=mkstemp(temp)) == -1) { + zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno); + umask(mask); + free(temp); + return -1; + } + umask(mask); + + if ((tfp=fdopen(tfd, "r+b")) == NULL) { + zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno); + close(tfd); + (void)remove(temp); + free(temp); + return -1; + } + +#ifdef _WIN32 + /* + According to Pierre Joye, Windows in some environments per + default creates text files, so force binary mode. + */ + _setmode(_fileno(tfp), _O_BINARY ); +#endif + + ctx->fout = tfp; + ctx->tmpname = temp; + + return 0; +} + + +static zip_int64_t +read_file(void *state, void *data, zip_uint64_t len, zip_source_cmd_t cmd) +{ + struct read_file *ctx; + char *buf; + zip_uint64_t n; + size_t i; + + ctx = (struct read_file *)state; + buf = (char *)data; + + switch (cmd) { + case ZIP_SOURCE_BEGIN_WRITE: + if (ctx->fname == NULL) { + zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0); + return -1; + } + return create_temp_output(ctx); + + case ZIP_SOURCE_COMMIT_WRITE: { + mode_t mask; + + if (fclose(ctx->fout) < 0) { + ctx->fout = NULL; + zip_error_set(&ctx->error, ZIP_ER_WRITE, errno); + } + ctx->fout = NULL; + if (rename(ctx->tmpname, ctx->fname) < 0) { + zip_error_set(&ctx->error, ZIP_ER_RENAME, errno); + return -1; + } + mask = umask(022); + umask(mask); + /* not much we can do if chmod fails except make the whole commit fail */ + (void)chmod(ctx->fname, 0666&~mask); + free(ctx->tmpname); + ctx->tmpname = NULL; + return 0; + } + + case ZIP_SOURCE_CLOSE: + if (ctx->fname) { + fclose(ctx->f); + ctx->f = NULL; + } + return 0; + + case ZIP_SOURCE_ERROR: + return zip_error_to_data(&ctx->error, data, len); + + case ZIP_SOURCE_FREE: + free(ctx->fname); + free(ctx->tmpname); + if (ctx->f) + fclose(ctx->f); + free(ctx); + return 0; + + case ZIP_SOURCE_OPEN: + if (ctx->fname) { + if ((ctx->f=fopen(ctx->fname, "rb")) == NULL) { + zip_error_set(&ctx->error, ZIP_ER_OPEN, errno); + return -1; + } + } + + if (ctx->start > 0) { + if (_zip_fseek_u(ctx->f, ctx->start, SEEK_SET, &ctx->error) < 0) { + return -1; + } + } + ctx->current = ctx->start; + return 0; + + case ZIP_SOURCE_READ: + if (ctx->end > 0) { + n = ctx->end-ctx->current; + if (n > len) { + n = len; + } + } + else { + n = len; + } + + if (n > SIZE_MAX) + n = SIZE_MAX; + + if ((i=fread(buf, 1, (size_t)n, ctx->f)) == 0) { + if (ferror(ctx->f)) { + zip_error_set(&ctx->error, ZIP_ER_READ, errno); + return -1; + } + } + ctx->current += i; + + return (zip_int64_t)i; + + case ZIP_SOURCE_REMOVE: + if (remove(ctx->fname) < 0) { + zip_error_set(&ctx->error, ZIP_ER_REMOVE, errno); + return -1; + } + return 0; + + case ZIP_SOURCE_ROLLBACK_WRITE: + if (ctx->fout) { + fclose(ctx->fout); + ctx->fout = NULL; + } + (void)remove(ctx->tmpname); + free(ctx->tmpname); + ctx->tmpname = NULL; + return 0; + + case ZIP_SOURCE_SEEK: { + zip_int64_t new_current; + int need_seek; + zip_source_args_seek_t *args = ZIP_SOURCE_GET_ARGS(zip_source_args_seek_t, data, len, &ctx->error); + + if (args == NULL) + return -1; + + need_seek = 1; + + switch (args->whence) { + case SEEK_SET: + new_current = args->offset; + break; + + case SEEK_END: + if (ctx->end == 0) { + if (_zip_fseek(ctx->f, args->offset, SEEK_END, &ctx->error) < 0) { + return -1; + } + if ((new_current = ftello(ctx->f)) < 0) { + zip_error_set(&ctx->error, ZIP_ER_SEEK, errno); + return -1; + } + need_seek = 0; + } + else { + new_current = (zip_int64_t)ctx->end + args->offset; + } + break; + case SEEK_CUR: + new_current = (zip_int64_t)ctx->current + args->offset; + break; + + default: + zip_error_set(&ctx->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (new_current < 0 || (zip_uint64_t)new_current < ctx->start || (ctx->end != 0 && (zip_uint64_t)new_current > ctx->end)) { + zip_error_set(&ctx->error, ZIP_ER_INVAL, 0); + return -1; + } + + ctx->current = (zip_uint64_t)new_current; + + if (need_seek) { + if (_zip_fseek_u(ctx->f, ctx->current, SEEK_SET, &ctx->error) < 0) { + return -1; + } + } + return 0; + } + + case ZIP_SOURCE_SEEK_WRITE: { + zip_source_args_seek_t *args; + + args = ZIP_SOURCE_GET_ARGS(zip_source_args_seek_t, data, len, &ctx->error); + if (args == NULL) { + return -1; + } + + if (_zip_fseek(ctx->fout, args->offset, args->whence, &ctx->error) < 0) { + return -1; + } + return 0; + } + + case ZIP_SOURCE_STAT: { + if (len < sizeof(ctx->st)) + return -1; + + if (ctx->st.valid != 0) + memcpy(data, &ctx->st, sizeof(ctx->st)); + else { + zip_stat_t *st; + struct stat fst; + int err; + + if (ctx->f) + err = fstat(fileno(ctx->f), &fst); + else + err = stat(ctx->fname, &fst); + + if (err != 0) { + zip_error_set(&ctx->error, ZIP_ER_READ, errno); + return -1; + } + + st = (zip_stat_t *)data; + + zip_stat_init(st); + st->mtime = fst.st_mtime; + st->valid |= ZIP_STAT_MTIME; + if (ctx->end != 0) { + st->size = ctx->end - ctx->start; + st->valid |= ZIP_STAT_SIZE; + } + else if ((fst.st_mode&S_IFMT) == S_IFREG) { + st->size = (zip_uint64_t)fst.st_size; + st->valid |= ZIP_STAT_SIZE; + } + } + return sizeof(ctx->st); + } + + case ZIP_SOURCE_SUPPORTS: + return ctx->supports; + + case ZIP_SOURCE_TELL: + return (zip_int64_t)ctx->current; + + case ZIP_SOURCE_TELL_WRITE: + { + off_t ret = ftello(ctx->fout); + + if (ret < 0) { + zip_error_set(&ctx->error, ZIP_ER_TELL, errno); + return -1; + } + return ret; + } + + case ZIP_SOURCE_WRITE: + { + size_t ret; + + clearerr(ctx->fout); + ret = fwrite(data, 1, len, ctx->fout); + if (ret != len || ferror(ctx->fout)) { + zip_error_set(&ctx->error, ZIP_ER_WRITE, errno); + return -1; + } + + return (zip_int64_t)ret; + } + + default: + zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0); + return -1; + } +} + + +static int +_zip_fseek_u(FILE *f, zip_uint64_t offset, int whence, zip_error_t *error) +{ + if (offset > ZIP_INT64_MAX) { + zip_error_set(error, ZIP_ER_SEEK, EOVERFLOW); + return -1; + } + return _zip_fseek(f, (zip_int64_t)offset, whence, error); +} + + +static int +_zip_fseek(FILE *f, zip_int64_t offset, int whence, zip_error_t *error) +{ + if (offset > ZIP_FSEEK_MAX || offset < ZIP_FSEEK_MIN) { + zip_error_set(error, ZIP_ER_SEEK, EOVERFLOW); + return -1; + } + if (fseeko(f, (off_t)offset, whence) < 0) { + zip_error_set(error, ZIP_ER_SEEK, errno); + return -1; + } + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_free.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,72 @@ +/* + zip_source_free.c -- free zip data source + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +ZIP_EXTERN void +zip_source_free(zip_source_t *src) +{ + if (src == NULL) + return; + + if (src->refcount > 0) { + src->refcount--; + } + if (src->refcount > 0) { + return; + } + + if (ZIP_SOURCE_IS_OPEN_READING(src)) { + src->open_count = 1; /* force close */ + zip_source_close(src); + } + if (ZIP_SOURCE_IS_OPEN_WRITING(src)) { + zip_source_rollback_write(src); + } + + if (src->source_archive && !src->source_closed) { + _zip_deregister_source(src->source_archive, src); + } + + (void)_zip_source_call(src, NULL, 0, ZIP_SOURCE_FREE); + + if (src->src) { + zip_source_free(src->src); + } + + free(src); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_function.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,99 @@ +/* + zip_source_function.c -- create zip data source from callback function + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +ZIP_EXTERN zip_source_t * +zip_source_function(zip_t *za, zip_source_callback zcb, void *ud) +{ + if (za == NULL) { + return NULL; + } + + return zip_source_function_create(zcb, ud, &za->error); +} + + +ZIP_EXTERN zip_source_t * +zip_source_function_create(zip_source_callback zcb, void *ud, zip_error_t *error) +{ + zip_source_t *zs; + + if ((zs=_zip_source_new(error)) == NULL) + return NULL; + + zs->cb.f = zcb; + zs->ud = ud; + + zs->supports = zcb(ud, NULL, 0, ZIP_SOURCE_SUPPORTS); + if (zs->supports < 0) { + zs->supports = ZIP_SOURCE_SUPPORTS_READABLE; + } + + return zs; +} + + +ZIP_EXTERN void +zip_source_keep(zip_source_t *src) +{ + src->refcount++; +} + + +zip_source_t * +_zip_source_new(zip_error_t *error) +{ + zip_source_t *src; + + if ((src=(zip_source_t *)malloc(sizeof(*src))) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + src->src = NULL; + src->cb.f = NULL; + src->ud = NULL; + src->open_count = 0; + src->write_state = ZIP_SOURCE_WRITE_CLOSED; + src->source_closed = false; + src->source_archive = NULL; + src->refcount = 1; + zip_error_init(&src->error); + + return src; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_is_deleted.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,42 @@ +/* + zip_source_is_deleted.c -- was archive was removed? + Copyright (C) 2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_source_is_deleted(zip_source_t *src) +{ + return src->write_state == ZIP_SOURCE_WRITE_REMOVED; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_layered.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,69 @@ +/* + zip_source_layered.c -- create layered source + Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +zip_source_t * +zip_source_layered(zip_t *za, zip_source_t *src, zip_source_layered_callback cb, void *ud) +{ + if (za == NULL) + return NULL; + + return zip_source_layered_create(src, cb, ud, &za->error); +} + + +zip_source_t * +zip_source_layered_create(zip_source_t *src, zip_source_layered_callback cb, void *ud, zip_error_t *error) +{ + zip_source_t *zs; + + if ((zs=_zip_source_new(error)) == NULL) + return NULL; + + zip_source_keep(src); + zs->src = src; + zs->cb.l = cb; + zs->ud = ud; + + zs->supports = cb(src, ud, NULL, 0, ZIP_SOURCE_SUPPORTS); + if (zs->supports < 0) { + zs->supports = ZIP_SOURCE_SUPPORTS_READABLE; + } + + return zs; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_open.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,73 @@ +/* + zip_source_open.c -- open zip_source (prepare for reading) + Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + +ZIP_EXTERN int +zip_source_open(zip_source_t *src) +{ + if (src->source_closed) { + return -1; + } + if (src->write_state == ZIP_SOURCE_WRITE_REMOVED) { + zip_error_set(&src->error, ZIP_ER_DELETED, 0); + return -1; + } + + if (ZIP_SOURCE_IS_OPEN_READING(src)) { + if ((zip_source_supports(src) & ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_SEEK)) == 0) { + zip_error_set(&src->error, ZIP_ER_INUSE, 0); + return -1; + } + } + else { + if (ZIP_SOURCE_IS_LAYERED(src)) { + if (zip_source_open(src->src) < 0) { + _zip_error_set_from_source(&src->error, src->src); + return -1; + } + } + + if (_zip_source_call(src, NULL, 0, ZIP_SOURCE_OPEN) < 0) { + if (ZIP_SOURCE_IS_LAYERED(src)) { + zip_source_close(src->src); + } + return -1; + } + } + + src->open_count++; + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_pkware.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,226 @@ +/* + zip_source_pkware.c -- Traditional PKWARE de/encryption routines + Copyright (C) 2009-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + +struct trad_pkware { + zip_error_t error; + zip_uint32_t key[3]; +}; + +#define HEADERLEN 12 +#define KEY0 305419896 +#define KEY1 591751049 +#define KEY2 878082192 + + +static void decrypt(struct trad_pkware *, zip_uint8_t *, + const zip_uint8_t *, zip_uint64_t, int); +static int decrypt_header(zip_source_t *, struct trad_pkware *); +static zip_int64_t pkware_decrypt(zip_source_t *, void *, void *, + zip_uint64_t, zip_source_cmd_t); +static void pkware_free(struct trad_pkware *); + + +zip_source_t * +zip_source_pkware(zip_t *za, zip_source_t *src, + zip_uint16_t em, int flags, const char *password) +{ + struct trad_pkware *ctx; + zip_source_t *s2; + + if (password == NULL || src == NULL || em != ZIP_EM_TRAD_PKWARE) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return NULL; + } + if (flags & ZIP_CODEC_ENCODE) { + zip_error_set(&za->error, ZIP_ER_ENCRNOTSUPP, 0); + return NULL; + } + + if ((ctx=(struct trad_pkware *)malloc(sizeof(*ctx))) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return NULL; + } + + zip_error_init(&ctx->error); + + ctx->key[0] = KEY0; + ctx->key[1] = KEY1; + ctx->key[2] = KEY2; + decrypt(ctx, NULL, (const zip_uint8_t *)password, strlen(password), 1); + + if ((s2=zip_source_layered(za, src, pkware_decrypt, ctx)) == NULL) { + pkware_free(ctx); + return NULL; + } + + return s2; +} + + +static void +decrypt(struct trad_pkware *ctx, zip_uint8_t *out, const zip_uint8_t *in, + zip_uint64_t len, int update_only) +{ + zip_uint16_t tmp; + zip_uint64_t i; + Bytef b; + + for (i=0; i<len; i++) { + b = in[i]; + + if (!update_only) { + /* decrypt next byte */ + tmp = (zip_uint16_t)(ctx->key[2] | 2); + tmp = (zip_uint16_t)(((zip_uint32_t)tmp * (tmp ^ 1)) >> 8); + b ^= (Bytef)tmp; + } + + /* store cleartext */ + if (out) + out[i] = b; + + /* update keys */ + ctx->key[0] = (zip_uint32_t)crc32(ctx->key[0] ^ 0xffffffffUL, &b, 1) ^ 0xffffffffUL; + ctx->key[1] = (ctx->key[1] + (ctx->key[0] & 0xff)) * 134775813 + 1; + b = (Bytef)(ctx->key[1] >> 24); + ctx->key[2] = (zip_uint32_t)crc32(ctx->key[2] ^ 0xffffffffUL, &b, 1) ^ 0xffffffffUL; + } +} + + +static int +decrypt_header(zip_source_t *src, struct trad_pkware *ctx) +{ + zip_uint8_t header[HEADERLEN]; + struct zip_stat st; + zip_int64_t n; + unsigned short dostime, dosdate; + + if ((n=zip_source_read(src, header, HEADERLEN)) < 0) { + _zip_error_set_from_source(&ctx->error, src); + return -1; + } + + if (n != HEADERLEN) { + zip_error_set(&ctx->error, ZIP_ER_EOF, 0); + return -1; + } + + decrypt(ctx, header, header, HEADERLEN, 0); + + if (zip_source_stat(src, &st) < 0) { + /* stat failed, skip password validation */ + return 0; + } + + _zip_u2d_time(st.mtime, &dostime, &dosdate); + + if (header[HEADERLEN-1] != st.crc>>24 && header[HEADERLEN-1] != dostime>>8) { + zip_error_set(&ctx->error, ZIP_ER_WRONGPASSWD, 0); + return -1; + } + + return 0; +} + + +static zip_int64_t +pkware_decrypt(zip_source_t *src, void *ud, void *data, + zip_uint64_t len, zip_source_cmd_t cmd) +{ + struct trad_pkware *ctx; + zip_int64_t n; + + ctx = (struct trad_pkware *)ud; + + switch (cmd) { + case ZIP_SOURCE_OPEN: + if (decrypt_header(src, ctx) < 0) + return -1; + return 0; + + case ZIP_SOURCE_READ: + if ((n=zip_source_read(src, data, len)) < 0) { + _zip_error_set_from_source(&ctx->error, src); + return -1; + } + + decrypt((struct trad_pkware *)ud, (zip_uint8_t *)data, (zip_uint8_t *)data, (zip_uint64_t)n, 0); + return n; + + case ZIP_SOURCE_CLOSE: + return 0; + + case ZIP_SOURCE_STAT: + { + zip_stat_t *st; + + st = (zip_stat_t *)data; + + st->encryption_method = ZIP_EM_NONE; + st->valid |= ZIP_STAT_ENCRYPTION_METHOD; + /* TODO: deduce HEADERLEN from size for uncompressed */ + if (st->valid & ZIP_STAT_COMP_SIZE) + st->comp_size -= HEADERLEN; + + return 0; + } + + case ZIP_SOURCE_SUPPORTS: + return zip_source_make_command_bitmap(ZIP_SOURCE_OPEN, ZIP_SOURCE_READ, ZIP_SOURCE_CLOSE, ZIP_SOURCE_STAT, ZIP_SOURCE_ERROR, ZIP_SOURCE_FREE, -1); + + case ZIP_SOURCE_ERROR: + return zip_error_to_data(&ctx->error, data, len); + + case ZIP_SOURCE_FREE: + pkware_free(ctx); + return 0; + + default: + zip_error_set(&ctx->error, ZIP_ER_INVAL, 0); + return -1; + } +} + + +static void +pkware_free(struct trad_pkware *ctx) +{ + free(ctx); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_read.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,50 @@ +/* + zip_source_read.c -- read data from zip_source + Copyright (C) 2009-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +zip_int64_t +zip_source_read(zip_source_t *src, void *data, zip_uint64_t len) +{ + if (src->source_closed) { + return -1; + } + if (!ZIP_SOURCE_IS_OPEN_READING(src) || len > ZIP_INT64_MAX || (len > 0 && data == NULL)) { + zip_error_set(&src->error, ZIP_ER_INVAL, 0); + return -1; + } + + return _zip_source_call(src, data, len, ZIP_SOURCE_READ); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_remove.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,61 @@ +/* + zip_source_remove.c -- remove empty archive + Copyright (C) 2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + + +#include "zipint.h" + + +int +zip_source_remove(zip_source_t *src) +{ + if (src->write_state == ZIP_SOURCE_WRITE_REMOVED) { + return 0; + } + + if (ZIP_SOURCE_IS_OPEN_READING(src)) { + if (zip_source_close(src) < 0) { + return -1; + } + } + if (src->write_state != ZIP_SOURCE_WRITE_CLOSED) { + zip_source_rollback_write(src); + } + + if (_zip_source_call(src, NULL, 0, ZIP_SOURCE_REMOVE) < 0) { + return -1; + } + + src->write_state = ZIP_SOURCE_WRITE_REMOVED; + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_rollback_write.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,47 @@ +/* + zip_source_rollback_write.c -- discard changes + Copyright (C) 2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN void +zip_source_rollback_write(zip_source_t *src) +{ + if (src->write_state != ZIP_SOURCE_WRITE_OPEN && src->write_state != ZIP_SOURCE_WRITE_FAILED) { + return; + } + + _zip_source_call(src, NULL, 0, ZIP_SOURCE_ROLLBACK_WRITE); + src->write_state = ZIP_SOURCE_WRITE_CLOSED; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_seek.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,92 @@ +/* + zip_source_seek.c -- seek to offset + Copyright (C) 2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_source_seek(zip_source_t *src, zip_int64_t offset, int whence) +{ + zip_source_args_seek_t args; + + if (src->source_closed) { + return -1; + } + if (!ZIP_SOURCE_IS_OPEN_READING(src) || (whence != SEEK_SET && whence != SEEK_CUR && whence != SEEK_END)) { + zip_error_set(&src->error, ZIP_ER_INVAL, 0); + return -1; + } + + args.offset = offset; + args.whence = whence; + + return (_zip_source_call(src, &args, sizeof(args), ZIP_SOURCE_SEEK) < 0 ? -1 : 0); +} + + +zip_int64_t +zip_source_seek_compute_offset(zip_uint64_t offset, zip_uint64_t length, void *data, zip_uint64_t data_length, zip_error_t *error) +{ + zip_int64_t new_offset; + zip_source_args_seek_t *args = ZIP_SOURCE_GET_ARGS(zip_source_args_seek_t, data, data_length, error); + + if (args == NULL) { + return -1; + } + + switch (args->whence) { + case SEEK_CUR: + new_offset = (zip_int64_t)offset + args->offset; + break; + + case SEEK_END: + new_offset = (zip_int64_t)length + args->offset; + break; + + case SEEK_SET: + new_offset = args->offset; + break; + + default: + zip_error_set(error, ZIP_ER_INVAL, 0); + return -1; + } + + if (new_offset < 0 || (zip_uint64_t)new_offset > length) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return -1; + } + + return new_offset; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_seek_write.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,52 @@ +/* + zip_source_seek_write.c -- seek to offset for writing + Copyright (C) 2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_source_seek_write(zip_source_t *src, zip_int64_t offset, int whence) +{ + zip_source_args_seek_t args; + + if (!ZIP_SOURCE_IS_OPEN_WRITING(src) || (whence != SEEK_SET && whence != SEEK_CUR && whence != SEEK_END)) { + zip_error_set(&src->error, ZIP_ER_INVAL, 0); + return -1; + } + + args.offset = offset; + args.whence = whence; + + return (_zip_source_call(src, &args, sizeof(args), ZIP_SOURCE_SEEK_WRITE) < 0 ? -1 : 0); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_stat.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,63 @@ +/* + zip_source_stat.c -- get meta information from zip_source + Copyright (C) 2009-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_source_stat(zip_source_t *src, zip_stat_t *st) +{ + if (src->source_closed) { + return -1; + } + if (st == NULL) { + zip_error_set(&src->error, ZIP_ER_INVAL, 0); + return -1; + } + + zip_stat_init(st); + + if (ZIP_SOURCE_IS_LAYERED(src)) { + if (zip_source_stat(src->src, st) < 0) { + _zip_error_set_from_source(&src->error, src->src); + return -1; + } + } + + if (_zip_source_call(src, st, sizeof(*st), ZIP_SOURCE_STAT) < 0) { + return -1; + } + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_supports.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,68 @@ +/* + zip_source_supports.c -- check for supported functions + Copyright (C) 2014-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdarg.h> + +#include "zipint.h" + + +zip_int64_t +zip_source_supports(zip_source_t *src) +{ + return src->supports; +} + + +ZIP_EXTERN zip_int64_t +zip_source_make_command_bitmap(zip_source_cmd_t cmd0, ...) +{ + zip_int64_t bitmap; + va_list ap; + + bitmap = ZIP_SOURCE_MAKE_COMMAND_BITMASK(cmd0); + + + + va_start(ap, cmd0); + for (;;) { + int cmd = va_arg(ap, int); + if (cmd < 0) { + break; + } + bitmap |= ZIP_SOURCE_MAKE_COMMAND_BITMASK(cmd); + } + va_end(ap); + + return bitmap; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_tell.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,50 @@ +/* + zip_source_tell.c -- report current offset + Copyright (C) 2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN zip_int64_t +zip_source_tell(zip_source_t *src) +{ + if (src->source_closed) { + return -1; + } + if (!ZIP_SOURCE_IS_OPEN_READING(src)) { + zip_error_set(&src->error, ZIP_ER_INVAL, 0); + return -1; + } + + return _zip_source_call(src, NULL, 0, ZIP_SOURCE_TELL); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_tell_write.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,47 @@ +/* + zip_source_tell_write.c -- report current offset for writing + Copyright (C) 2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN zip_int64_t +zip_source_tell_write(zip_source_t *src) +{ + if (!ZIP_SOURCE_IS_OPEN_WRITING(src)) { + zip_error_set(&src->error, ZIP_ER_INVAL, 0); + return -1; + } + + return _zip_source_call(src, NULL, 0, ZIP_SOURCE_TELL_WRITE); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_win32a.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,124 @@ +/* +zip_source_win32a.c -- create data source from Windows file (ANSI) +Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner + +This file is part of libzip, a library to manipulate ZIP archives. +The authors can be contacted at <libzip@nih.at> + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +1. Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright +notice, this list of conditions and the following disclaimer in +the documentation and/or other materials provided with the +distribution. +3. The names of the authors may not be used to endorse or promote +products derived from this software without specific prior +written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS +OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE +GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER +IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdio.h> + +#include "zipint.h" +#include "zipwin32.h" + +static void * _win32_strdup_a(const void *str); +static HANDLE _win32_open_a(_zip_source_win32_read_file_t *ctx); +static HANDLE _win32_create_temp_a(_zip_source_win32_read_file_t *ctx, void **temp, zip_uint32_t value, PSECURITY_ATTRIBUTES sa); +static int _win32_rename_temp_a(_zip_source_win32_read_file_t *ctx); +static int _win32_remove_a(const void *fname); + +static _zip_source_win32_file_ops_t win32_ops_a = { + _win32_strdup_a, + _win32_open_a, + _win32_create_temp_a, + _win32_rename_temp_a, + _win32_remove_a +}; + +ZIP_EXTERN zip_source_t * +zip_source_win32a(zip_t *za, const char *fname, zip_uint64_t start, zip_int64_t len) +{ + if (za == NULL) + return NULL; + + return zip_source_win32a_create(fname, start, len, &za->error); +} + + +ZIP_EXTERN zip_source_t * +zip_source_win32a_create(const char *fname, zip_uint64_t start, zip_int64_t length, zip_error_t *error) +{ + if (fname == NULL || length < -1) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + return _zip_source_win32_handle_or_name(fname, INVALID_HANDLE_VALUE, start, length, 1, NULL, &win32_ops_a, error); +} + + +static void * +_win32_strdup_a(const void *str) +{ + return strdup((const char *)str); +} + + +static HANDLE +_win32_open_a(_zip_source_win32_read_file_t *ctx) +{ + return CreateFileA(ctx->fname, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); +} + + +static HANDLE +_win32_create_temp_a(_zip_source_win32_read_file_t *ctx, void **temp, zip_uint32_t value, PSECURITY_ATTRIBUTES sa) +{ + int len; + + len = strlen((const char *)ctx->fname) + 10; + if (*temp == NULL) { + if ((*temp = malloc(sizeof(char) * len)) == NULL) { + zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0); + return INVALID_HANDLE_VALUE; + } + } + if (sprintf((char *)*temp, "%s.%08x", (const char *)ctx->fname, value) != len - 1) { + return INVALID_HANDLE_VALUE; + } + + return CreateFileA((const char *)*temp, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, sa, CREATE_NEW, FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_TEMPORARY, NULL); +} + + +static int +_win32_rename_temp_a(_zip_source_win32_read_file_t *ctx) +{ + if (!MoveFileExA(ctx->tmpname, ctx->fname, MOVEFILE_REPLACE_EXISTING)) + return -1; + return 0; +} + + +static int +_win32_remove_a(const void *fname) +{ + DeleteFileA((const char *)fname); + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_win32handle.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,607 @@ +/* +zip_source_win32file.c -- create data source from HANDLE (Win32) +Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner + +This file is part of libzip, a library to manipulate ZIP archives. +The authors can be contacted at <libzip@nih.at> + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +1. Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright +notice, this list of conditions and the following disclaimer in +the documentation and/or other materials provided with the +distribution. +3. The names of the authors may not be used to endorse or promote +products derived from this software without specific prior +written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS +OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE +GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER +IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <wchar.h> +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" +#include "zipwin32.h" + +static zip_int64_t _win32_read_file(void *state, void *data, zip_uint64_t len, zip_source_cmd_t cmd); +static int _win32_create_temp_file(_zip_source_win32_read_file_t *ctx); +static int _zip_filetime_to_time_t(FILETIME ft, time_t *t); +static int _zip_seek_win32_u(void *h, zip_uint64_t offset, int whence, zip_error_t *error); +static int _zip_seek_win32(void *h, zip_int64_t offset, int whence, zip_error_t *error); +static int _zip_win32_error_to_errno(unsigned long win32err); +static int _zip_stat_win32(void *h, zip_stat_t *st, _zip_source_win32_read_file_t *ctx); + +ZIP_EXTERN zip_source_t * +zip_source_win32handle(zip_t *za, HANDLE h, zip_uint64_t start, zip_int64_t len) +{ + if (za == NULL) + return NULL; + + return zip_source_win32handle_create(h, start, len, &za->error); +} + + +ZIP_EXTERN zip_source_t * +zip_source_win32handle_create(HANDLE h, zip_uint64_t start, zip_int64_t length, zip_error_t *error) +{ + if (h == INVALID_HANDLE_VALUE || length < -1) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + return _zip_source_win32_handle_or_name(NULL, h, start, length, 1, NULL, NULL, error); +} + + +zip_source_t * +_zip_source_win32_handle_or_name(const void *fname, HANDLE h, zip_uint64_t start, zip_int64_t len, int closep, const zip_stat_t *st, _zip_source_win32_file_ops_t *ops, zip_error_t *error) +{ + _zip_source_win32_read_file_t *ctx; + zip_source_t *zs; + + if (h == INVALID_HANDLE_VALUE && fname == NULL) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + if ((ctx = (_zip_source_win32_read_file_t *)malloc(sizeof(_zip_source_win32_read_file_t))) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + ctx->fname = NULL; + if (fname) { + if ((ctx->fname = ops->op_strdup(fname)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + free(ctx); + return NULL; + } + } + + ctx->ops = ops; + ctx->h = h; + ctx->start = start; + ctx->end = (len < 0 ? 0 : start + (zip_uint64_t)len); + ctx->closep = ctx->fname ? 1 : closep; + if (st) { + memcpy(&ctx->st, st, sizeof(ctx->st)); + ctx->st.name = NULL; + ctx->st.valid &= ~ZIP_STAT_NAME; + } + else { + zip_stat_init(&ctx->st); + } + + ctx->tmpname = NULL; + ctx->hout = INVALID_HANDLE_VALUE; + + zip_error_init(&ctx->error); + + ctx->supports = ZIP_SOURCE_SUPPORTS_READABLE | zip_source_make_command_bitmap(ZIP_SOURCE_SUPPORTS, ZIP_SOURCE_TELL, -1); + if (ctx->fname) { + HANDLE th; + + th = ops->op_open(ctx); + if (th == INVALID_HANDLE_VALUE || GetFileType(th) == FILE_TYPE_DISK) { + ctx->supports = ZIP_SOURCE_SUPPORTS_WRITABLE; + } + if (th != INVALID_HANDLE_VALUE) { + CloseHandle(th); + } + } + else if (GetFileType(ctx->h) == FILE_TYPE_DISK) { + ctx->supports = ZIP_SOURCE_SUPPORTS_SEEKABLE; + } + + if ((zs = zip_source_function_create(_win32_read_file, ctx, error)) == NULL) { + free(ctx->fname); + free(ctx); + return NULL; + } + + return zs; +} + + +static zip_int64_t +_win32_read_file(void *state, void *data, zip_uint64_t len, zip_source_cmd_t cmd) +{ + _zip_source_win32_read_file_t *ctx; + char *buf; + zip_uint64_t n; + DWORD i; + + ctx = (_zip_source_win32_read_file_t *)state; + buf = (char *)data; + + switch (cmd) { + case ZIP_SOURCE_BEGIN_WRITE: + if (ctx->fname == NULL) { + zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0); + return -1; + } + return _win32_create_temp_file(ctx); + + case ZIP_SOURCE_COMMIT_WRITE: { + if (!CloseHandle(ctx->hout)) { + ctx->hout = INVALID_HANDLE_VALUE; + zip_error_set(&ctx->error, ZIP_ER_WRITE, _zip_win32_error_to_errno(GetLastError())); + } + ctx->hout = INVALID_HANDLE_VALUE; + if (ctx->ops->op_rename_temp(ctx) < 0) { + zip_error_set(&ctx->error, ZIP_ER_RENAME, _zip_win32_error_to_errno(GetLastError())); + return -1; + } + free(ctx->tmpname); + ctx->tmpname = NULL; + return 0; + } + + case ZIP_SOURCE_CLOSE: + if (ctx->fname) { + CloseHandle(ctx->h); + ctx->h = INVALID_HANDLE_VALUE; + } + return 0; + + case ZIP_SOURCE_ERROR: + return zip_error_to_data(&ctx->error, data, len); + + case ZIP_SOURCE_FREE: + free(ctx->fname); + free(ctx->tmpname); + if (ctx->closep && ctx->h != INVALID_HANDLE_VALUE) + CloseHandle(ctx->h); + free(ctx); + return 0; + + case ZIP_SOURCE_OPEN: + if (ctx->fname) { + if ((ctx->h = ctx->ops->op_open(ctx)) == INVALID_HANDLE_VALUE) { + zip_error_set(&ctx->error, ZIP_ER_OPEN, _zip_win32_error_to_errno(GetLastError())); + return -1; + } + } + + if (ctx->closep && ctx->start > 0) { + if (_zip_seek_win32_u(ctx->h, ctx->start, SEEK_SET, &ctx->error) < 0) { + return -1; + } + } + ctx->current = ctx->start; + return 0; + + case ZIP_SOURCE_READ: + if (ctx->end > 0) { + n = ctx->end - ctx->current; + if (n > len) { + n = len; + } + } + else { + n = len; + } + + if (n > SIZE_MAX) + n = SIZE_MAX; + + if (!ctx->closep) { + if (_zip_seek_win32_u(ctx->h, ctx->current, SEEK_SET, &ctx->error) < 0) { + return -1; + } + } + + if (!ReadFile(ctx->h, buf, (DWORD)n, &i, NULL)) { + zip_error_set(&ctx->error, ZIP_ER_READ, _zip_win32_error_to_errno(GetLastError())); + return -1; + } + ctx->current += i; + + return (zip_int64_t)i; + + case ZIP_SOURCE_REMOVE: + if (ctx->ops->op_remove(ctx->fname) < 0) { + zip_error_set(&ctx->error, ZIP_ER_REMOVE, _zip_win32_error_to_errno(GetLastError())); + return -1; + } + return 0; + + case ZIP_SOURCE_ROLLBACK_WRITE: + if (ctx->hout) { + CloseHandle(ctx->hout); + ctx->hout = INVALID_HANDLE_VALUE; + } + ctx->ops->op_remove(ctx->tmpname); + free(ctx->tmpname); + ctx->tmpname = NULL; + return 0; + + case ZIP_SOURCE_SEEK: { + zip_int64_t new_current; + int need_seek; + zip_source_args_seek_t *args = ZIP_SOURCE_GET_ARGS(zip_source_args_seek_t, data, len, &ctx->error); + + if (args == NULL) + return -1; + + need_seek = ctx->closep; + + switch (args->whence) { + case SEEK_SET: + new_current = args->offset; + break; + + case SEEK_END: + if (ctx->end == 0) { + LARGE_INTEGER zero; + LARGE_INTEGER new_offset; + + if (_zip_seek_win32(ctx->h, args->offset, SEEK_END, &ctx->error) < 0) { + return -1; + } + zero.QuadPart = 0; + if (!SetFilePointerEx(ctx->h, zero, &new_offset, FILE_CURRENT)) { + zip_error_set(&ctx->error, ZIP_ER_SEEK, _zip_win32_error_to_errno(GetLastError())); + return -1; + } + new_current = new_offset.QuadPart; + need_seek = 0; + } + else { + new_current = (zip_int64_t)ctx->end + args->offset; + } + break; + case SEEK_CUR: + new_current = (zip_int64_t)ctx->current + args->offset; + break; + + default: + zip_error_set(&ctx->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (new_current < 0 || (zip_uint64_t)new_current < ctx->start || (ctx->end != 0 && (zip_uint64_t)new_current > ctx->end)) { + zip_error_set(&ctx->error, ZIP_ER_INVAL, 0); + return -1; + } + + ctx->current = (zip_uint64_t)new_current; + + if (need_seek) { + if (_zip_seek_win32_u(ctx->h, ctx->current, SEEK_SET, &ctx->error) < 0) { + return -1; + } + } + return 0; + } + + case ZIP_SOURCE_SEEK_WRITE: { + zip_source_args_seek_t *args; + + args = ZIP_SOURCE_GET_ARGS(zip_source_args_seek_t, data, len, &ctx->error); + if (args == NULL) { + return -1; + } + + if (_zip_seek_win32(ctx->hout, args->offset, args->whence, &ctx->error) < 0) { + return -1; + } + return 0; + } + + case ZIP_SOURCE_STAT: { + if (len < sizeof(ctx->st)) + return -1; + + if (ctx->st.valid != 0) + memcpy(data, &ctx->st, sizeof(ctx->st)); + else { + DWORD win32err; + zip_stat_t *st; + HANDLE h; + int success; + + st = (zip_stat_t *)data; + + if (ctx->h != INVALID_HANDLE_VALUE) { + h = ctx->h; + } + else { + h = ctx->ops->op_open(ctx); + if (h == INVALID_HANDLE_VALUE && GetLastError() == ERROR_FILE_NOT_FOUND) { + zip_error_set(&ctx->error, ZIP_ER_READ, ENOENT); + return -1; + } + } + + success = _zip_stat_win32(h, st, ctx); + win32err = GetLastError(); + + /* We're done with the handle, so close it if we just opened it. */ + if (h != ctx->h) { + CloseHandle(h); + } + + if (success < 0) { + /* TODO: Is this the correct error to return in all cases? */ + zip_error_set(&ctx->error, ZIP_ER_READ, _zip_win32_error_to_errno(win32err)); + return -1; + } + } + return sizeof(ctx->st); + } + + case ZIP_SOURCE_SUPPORTS: + return ctx->supports; + + case ZIP_SOURCE_TELL: + return (zip_int64_t)ctx->current; + + case ZIP_SOURCE_TELL_WRITE: + { + LARGE_INTEGER zero; + LARGE_INTEGER offset; + + zero.QuadPart = 0; + if (!SetFilePointerEx(ctx->hout, zero, &offset, FILE_CURRENT)) { + zip_error_set(&ctx->error, ZIP_ER_TELL, _zip_win32_error_to_errno(GetLastError())); + return -1; + } + + return offset.QuadPart; + } + + case ZIP_SOURCE_WRITE: + { + DWORD ret; + if (!WriteFile(ctx->hout, data, (DWORD)len, &ret, NULL) || ret != len) { + zip_error_set(&ctx->error, ZIP_ER_WRITE, _zip_win32_error_to_errno(GetLastError())); + return -1; + } + + return (zip_int64_t)ret; + } + + default: + zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0); + return -1; + } +} + + +static int +_win32_create_temp_file(_zip_source_win32_read_file_t *ctx) +{ + zip_uint32_t value; + /* + Windows has GetTempFileName(), but it closes the file after + creation, leaving it open to a horrible race condition. So + we reinvent the wheel. + */ + int i; + HANDLE th = INVALID_HANDLE_VALUE; + void *temp = NULL; + SECURITY_INFORMATION si; + SECURITY_ATTRIBUTES sa; + PSECURITY_DESCRIPTOR psd = NULL; + PSECURITY_ATTRIBUTES psa = NULL; + DWORD len; + BOOL success; + + /* + Read the DACL from the original file, so we can copy it to the temp file. + If there is no original file, or if we can't read the DACL, we'll use the + default security descriptor. + */ + if (ctx->h != INVALID_HANDLE_VALUE && GetFileType(ctx->h) == FILE_TYPE_DISK) { + si = DACL_SECURITY_INFORMATION | UNPROTECTED_DACL_SECURITY_INFORMATION; + len = 0; + success = GetUserObjectSecurity(ctx->h, &si, NULL, len, &len); + if (!success && GetLastError() == ERROR_INSUFFICIENT_BUFFER) { + if ((psd = (PSECURITY_DESCRIPTOR)malloc(len)) == NULL) { + zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0); + return -1; + } + success = GetUserObjectSecurity(ctx->h, &si, psd, len, &len); + } + if (success) { + sa.nLength = sizeof(SECURITY_ATTRIBUTES); + sa.bInheritHandle = FALSE; + sa.lpSecurityDescriptor = psd; + psa = &sa; + } + } + + value = GetTickCount(); + for (i = 0; i < 1024 && th == INVALID_HANDLE_VALUE; i++) { + th = ctx->ops->op_create_temp(ctx, &temp, value + i, psa); + if (th == INVALID_HANDLE_VALUE && GetLastError() != ERROR_FILE_EXISTS) + break; + } + + if (th == INVALID_HANDLE_VALUE) { + free(temp); + free(psd); + zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, _zip_win32_error_to_errno(GetLastError())); + return -1; + } + + free(psd); + ctx->hout = th; + ctx->tmpname = temp; + + return 0; +} + + +static int +_zip_seek_win32_u(HANDLE h, zip_uint64_t offset, int whence, zip_error_t *error) +{ + if (offset > ZIP_INT64_MAX) { + zip_error_set(error, ZIP_ER_SEEK, EOVERFLOW); + return -1; + } + return _zip_seek_win32(h, (zip_int64_t)offset, whence, error); +} + + +static int +_zip_seek_win32(HANDLE h, zip_int64_t offset, int whence, zip_error_t *error) +{ + LARGE_INTEGER li; + DWORD method; + + switch (whence) { + case SEEK_SET: + method = FILE_BEGIN; + break; + case SEEK_END: + method = FILE_END; + break; + case SEEK_CUR: + method = FILE_CURRENT; + break; + default: + zip_error_set(error, ZIP_ER_SEEK, EINVAL); + return -1; + } + + li.QuadPart = (LONGLONG)offset; + if (!SetFilePointerEx(h, li, NULL, method)) { + zip_error_set(error, ZIP_ER_SEEK, _zip_win32_error_to_errno(GetLastError())); + return -1; + } + + return 0; +} + + +static int +_zip_win32_error_to_errno(DWORD win32err) +{ + /* + Note: This list isn't exhaustive, but should cover common cases. + */ + switch (win32err) { + case ERROR_INVALID_PARAMETER: + return EINVAL; + case ERROR_FILE_NOT_FOUND: + return ENOENT; + case ERROR_INVALID_HANDLE: + return EBADF; + case ERROR_ACCESS_DENIED: + return EACCES; + case ERROR_FILE_EXISTS: + return EEXIST; + case ERROR_TOO_MANY_OPEN_FILES: + return EMFILE; + case ERROR_DISK_FULL: + return ENOSPC; + default: + return 0; + } +} + + +static int +_zip_stat_win32(HANDLE h, zip_stat_t *st, _zip_source_win32_read_file_t *ctx) +{ + FILETIME mtimeft; + time_t mtime; + LARGE_INTEGER size; + int regularp; + + if (!GetFileTime(h, NULL, NULL, &mtimeft)) { + zip_error_set(&ctx->error, ZIP_ER_READ, _zip_win32_error_to_errno(GetLastError())); + return -1; + } + if (_zip_filetime_to_time_t(mtimeft, &mtime) < 0) { + zip_error_set(&ctx->error, ZIP_ER_READ, ERANGE); + return -1; + } + + regularp = 0; + if (GetFileType(h) == FILE_TYPE_DISK) { + regularp = 1; + } + + if (!GetFileSizeEx(h, &size)) { + zip_error_set(&ctx->error, ZIP_ER_READ, _zip_win32_error_to_errno(GetLastError())); + return -1; + } + + zip_stat_init(st); + st->mtime = mtime; + st->valid |= ZIP_STAT_MTIME; + if (ctx->end != 0) { + st->size = ctx->end - ctx->start; + st->valid |= ZIP_STAT_SIZE; + } + else if (regularp) { + st->size = (zip_uint64_t)size.QuadPart; + st->valid |= ZIP_STAT_SIZE; + } + + return 0; +} + + +static int +_zip_filetime_to_time_t(FILETIME ft, time_t *t) +{ + /* + Inspired by http://stackoverflow.com/questions/6161776/convert-windows-filetime-to-second-in-unix-linux + */ + const zip_int64_t WINDOWS_TICK = 10000000LL; + const zip_int64_t SEC_TO_UNIX_EPOCH = 11644473600LL; + ULARGE_INTEGER li; + zip_int64_t secs; + time_t temp; + + li.LowPart = ft.dwLowDateTime; + li.HighPart = ft.dwHighDateTime; + secs = (li.QuadPart / WINDOWS_TICK - SEC_TO_UNIX_EPOCH); + + temp = (time_t)secs; + if (secs != (zip_int64_t)temp) + return -1; + + *t = temp; + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_win32utf8.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,79 @@ +/* +zip_source_win32utf8.c -- create data source from Windows file (UTF-8) +Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + +This file is part of libzip, a library to manipulate ZIP archives. +The authors can be contacted at <libzip@nih.at> + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +1. Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright +notice, this list of conditions and the following disclaimer in +the documentation and/or other materials provided with the +distribution. +3. The names of the authors may not be used to endorse or promote +products derived from this software without specific prior +written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS +OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE +GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER +IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdio.h> + +#include "zipint.h" +#include "zipwin32.h" + + +ZIP_EXTERN zip_source_t * +zip_source_file(zip_t *za, const char *fname, zip_uint64_t start, zip_int64_t len) +{ + if (za == NULL) + return NULL; + + return zip_source_file_create(fname, start, len, &za->error); +} + + +ZIP_EXTERN zip_source_t * +zip_source_file_create(const char *fname, zip_uint64_t start, zip_int64_t length, zip_error_t *error) +{ + int size; + wchar_t *wfname; + zip_source_t *source; + + if (fname == NULL || length < -1) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + /* Convert fname from UTF-8 to Windows-friendly UTF-16. */ + size = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, fname, -1, NULL, 0); + if (size == 0) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + if ((wfname = (wchar_t *)malloc(sizeof(wchar_t) * size)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, fname, -1, wfname, size); + + source = zip_source_win32w_create(wfname, start, length, error); + + free(wfname); + return source; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_win32w.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,124 @@ +/* +zip_source_win32w.c -- create data source from Windows file (UTF-16) +Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner + +This file is part of libzip, a library to manipulate ZIP archives. +The authors can be contacted at <libzip@nih.at> + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +1. Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright +notice, this list of conditions and the following disclaimer in +the documentation and/or other materials provided with the +distribution. +3. The names of the authors may not be used to endorse or promote +products derived from this software without specific prior +written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS +OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE +GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER +IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdio.h> + +#include "zipint.h" +#include "zipwin32.h" + +static void * _win32_strdup_w(const void *str); +static HANDLE _win32_open_w(_zip_source_win32_read_file_t *ctx); +static HANDLE _win32_create_temp_w(_zip_source_win32_read_file_t *ctx, void **temp, zip_uint32_t value, PSECURITY_ATTRIBUTES sa); +static int _win32_rename_temp_w(_zip_source_win32_read_file_t *ctx); +static int _win32_remove_w(const void *fname); + +static _zip_source_win32_file_ops_t win32_ops_w = { + _win32_strdup_w, + _win32_open_w, + _win32_create_temp_w, + _win32_rename_temp_w, + _win32_remove_w +}; + +ZIP_EXTERN zip_source_t * +zip_source_win32w(zip_t *za, const wchar_t *fname, zip_uint64_t start, zip_int64_t len) +{ + if (za == NULL) + return NULL; + + return zip_source_win32w_create(fname, start, len, &za->error); +} + + +ZIP_EXTERN zip_source_t * +zip_source_win32w_create(const wchar_t *fname, zip_uint64_t start, zip_int64_t length, zip_error_t *error) +{ + if (fname == NULL || length < -1) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + return _zip_source_win32_handle_or_name(fname, INVALID_HANDLE_VALUE, start, length, 1, NULL, &win32_ops_w, error); +} + + +static void * +_win32_strdup_w(const void *str) +{ + return _wcsdup((const wchar_t *)str); +} + + +static HANDLE +_win32_open_w(_zip_source_win32_read_file_t *ctx) +{ + return CreateFileW(ctx->fname, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); +} + + +static HANDLE +_win32_create_temp_w(_zip_source_win32_read_file_t *ctx, void **temp, zip_uint32_t value, PSECURITY_ATTRIBUTES sa) +{ + int len; + + len = wcslen((const wchar_t *)ctx->fname) + 10; + if (*temp == NULL) { + if ((*temp = malloc(sizeof(wchar_t) * len)) == NULL) { + zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0); + return INVALID_HANDLE_VALUE; + } + } + if (_snwprintf((wchar_t *)*temp, len, L"%s.%08x", (const wchar_t *)ctx->fname, value) != len - 1) { + return INVALID_HANDLE_VALUE; + } + + return CreateFileW((const wchar_t *)*temp, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, sa, CREATE_NEW, FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_TEMPORARY, NULL); +} + + +static int +_win32_rename_temp_w(_zip_source_win32_read_file_t *ctx) +{ + if (!MoveFileExW(ctx->tmpname, ctx->fname, MOVEFILE_REPLACE_EXISTING)) + return -1; + return 0; +} + + +static int +_win32_remove_w(const void *fname) +{ + DeleteFileW((const wchar_t *)fname); + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_window.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,253 @@ +/* + zip_source_window.c -- return part of lower source + Copyright (C) 2012-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + +struct window { + zip_uint64_t start; + zip_uint64_t end; + zip_uint64_t offset; + zip_stat_t stat; + zip_error_t error; + zip_int64_t supports; + bool needs_seek; +}; + +static zip_int64_t window_read(zip_source_t *, void *, void *, zip_uint64_t, zip_source_cmd_t); + + +zip_source_t * +zip_source_window(zip_t *za, zip_source_t *src, zip_uint64_t start, zip_uint64_t len) +{ + return _zip_source_window_new(src, start, len, NULL, &za->error); +} + + +zip_source_t * +_zip_source_window_new(zip_source_t *src, zip_uint64_t start, zip_uint64_t length, zip_stat_t *st, zip_error_t *error) +{ + struct window *ctx; + + if (src == NULL || start + length < start) { + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + if ((ctx=(struct window *)malloc(sizeof(*ctx))) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + ctx->start = start; + ctx->end = start + length; + zip_stat_init(&ctx->stat); + zip_error_init(&ctx->error); + ctx->supports = (zip_source_supports(src) & ZIP_SOURCE_SUPPORTS_SEEKABLE) | (zip_source_make_command_bitmap(ZIP_SOURCE_SUPPORTS, ZIP_SOURCE_TELL, -1)); + ctx->needs_seek = (ctx->supports & ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_SEEK)) ? true : false; + + if (st) { + if (_zip_stat_merge(&ctx->stat, st, error) < 0) { + free(ctx); + return NULL; + } + } + + return zip_source_layered_create(src, window_read, ctx, error); +} + + +int +_zip_source_set_source_archive(zip_source_t *src, zip_t *za) +{ + src->source_archive = za; + return _zip_register_source(za, src); +} + + +/* called by zip_discard to avoid operating on file from closed archive */ +void +_zip_source_invalidate(zip_source_t *src) +{ + src->source_closed = 1; + + if (zip_error_code_zip(&src->error) == ZIP_ER_OK) { + zip_error_set(&src->error, ZIP_ER_ZIPCLOSED, 0); + } +} + + +static zip_int64_t +window_read(zip_source_t *src, void *_ctx, void *data, zip_uint64_t len, zip_source_cmd_t cmd) +{ + struct window *ctx; + zip_int64_t ret; + zip_uint64_t n, i; + char b[8192]; + + ctx = (struct window *)_ctx; + + switch (cmd) { + case ZIP_SOURCE_CLOSE: + return 0; + + case ZIP_SOURCE_ERROR: + return zip_error_to_data(&ctx->error, data, len); + + case ZIP_SOURCE_FREE: + free(ctx); + return 0; + + case ZIP_SOURCE_OPEN: + if (!ctx->needs_seek) { + for (n=0; n<ctx->start; n+=(zip_uint64_t)ret) { + i = (ctx->start-n > sizeof(b) ? sizeof(b) : ctx->start-n); + if ((ret=zip_source_read(src, b, i)) < 0) { + _zip_error_set_from_source(&ctx->error, src); + return -1; + } + if (ret==0) { + zip_error_set(&ctx->error, ZIP_ER_EOF, 0); + return -1; + } + } + + } + ctx->offset = ctx->start; + return 0; + + case ZIP_SOURCE_READ: + if (len > ctx->end - ctx->offset) + len = ctx->end - ctx->offset; + + if (len == 0) + return 0; + + if (ctx->needs_seek) { + if (zip_source_seek(src, (zip_int64_t)ctx->offset, SEEK_SET) < 0) { + _zip_error_set_from_source(&ctx->error, src); + return -1; + } + } + + if ((ret=zip_source_read(src, data, len)) < 0) { + zip_error_set(&ctx->error, ZIP_ER_EOF, 0); + return -1; + } + + ctx->offset += (zip_uint64_t)ret; + + if (ret == 0) { + if (ctx->offset < ctx->end) { + zip_error_set(&ctx->error, ZIP_ER_EOF, 0); + return -1; + } + } + return ret; + + case ZIP_SOURCE_SEEK: + { + zip_int64_t new_offset = zip_source_seek_compute_offset(ctx->offset - ctx->start, ctx->end - ctx->start, data, len, &ctx->error); + + if (new_offset < 0) { + return -1; + } + + ctx->offset = (zip_uint64_t)new_offset + ctx->start; + return 0; + } + + case ZIP_SOURCE_STAT: + { + zip_stat_t *st; + + st = (zip_stat_t *)data; + + if (_zip_stat_merge(st, &ctx->stat, &ctx->error) < 0) { + return -1; + } + return 0; + } + + case ZIP_SOURCE_SUPPORTS: + return ctx->supports; + + case ZIP_SOURCE_TELL: + return (zip_int64_t)(ctx->offset - ctx->start); + + default: + zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0); + return -1; + } +} + + +void +_zip_deregister_source(zip_t *za, zip_source_t *src) +{ + unsigned int i; + + for (i=0; i<za->nopen_source; i++) { + if (za->open_source[i] == src) { + za->open_source[i] = za->open_source[za->nopen_source-1]; + za->nopen_source--; + break; + } + } +} + + +int +_zip_register_source(zip_t *za, zip_source_t *src) +{ + zip_source_t **open_source; + + if (za->nopen_source+1 >= za->nopen_source_alloc) { + unsigned int n; + n = za->nopen_source_alloc + 10; + open_source = (zip_source_t **)realloc(za->open_source, n*sizeof(zip_source_t *)); + if (open_source == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + za->nopen_source_alloc = n; + za->open_source = open_source; + } + + za->open_source[za->nopen_source++] = src; + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_write.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,47 @@ +/* + zip_source_write.c -- start a new file for writing + Copyright (C) 2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN zip_int64_t +zip_source_write(zip_source_t *src, const void *data, zip_uint64_t length) +{ + if (!ZIP_SOURCE_IS_OPEN_WRITING(src) || length > ZIP_INT64_MAX) { + zip_error_set(&src->error, ZIP_ER_INVAL, 0); + return -1; + } + + return _zip_source_call(src, (void *)data, length, ZIP_SOURCE_WRITE); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_zip.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,59 @@ +/* + zip_source_zip.c -- create data source from zip file + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + + +ZIP_EXTERN zip_source_t * +zip_source_zip(zip_t *za, zip_t *srcza, zip_uint64_t srcidx, + zip_flags_t flags, zip_uint64_t start, zip_int64_t len) +{ + if (len < -1) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return NULL; + } + + if (len == -1) + len = 0; + + if (start == 0 && len == 0) + flags |= ZIP_FL_COMPRESSED; + else + flags &= ~ZIP_FL_COMPRESSED; + + return _zip_source_zip_new(za, srcza, srcidx, flags, start, (zip_uint64_t)len, NULL); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_source_zip_new.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,173 @@ +/* + zip_source_zip_new.c -- prepare data structures for zip_fopen/zip_source_zip + Copyright (C) 2012-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +zip_source_t * +_zip_source_zip_new(zip_t *za, zip_t *srcza, zip_uint64_t srcidx, zip_flags_t flags, zip_uint64_t start, zip_uint64_t len, const char *password) +{ + zip_compression_implementation comp_impl; + zip_encryption_implementation enc_impl; + zip_source_t *src, *s2; + zip_uint64_t offset; + struct zip_stat st; + + if (za == NULL) + return NULL; + + if (srcza == NULL || srcidx >= srcza->nentry) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return NULL; + } + + if ((flags & ZIP_FL_UNCHANGED) == 0 + && (ZIP_ENTRY_DATA_CHANGED(srcza->entry+srcidx) || srcza->entry[srcidx].deleted)) { + zip_error_set(&za->error, ZIP_ER_CHANGED, 0); + return NULL; + } + + if (zip_stat_index(srcza, srcidx, flags|ZIP_FL_UNCHANGED, &st) < 0) { + zip_error_set(&za->error, ZIP_ER_INTERNAL, 0); + return NULL; + } + + if (flags & ZIP_FL_ENCRYPTED) + flags |= ZIP_FL_COMPRESSED; + + if ((start > 0 || len > 0) && (flags & ZIP_FL_COMPRESSED)) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return NULL; + } + + /* overflow or past end of file */ + if ((start > 0 || len > 0) && (start+len < start || start+len > st.size)) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return NULL; + } + + enc_impl = NULL; + if (((flags & ZIP_FL_ENCRYPTED) == 0) && (st.encryption_method != ZIP_EM_NONE)) { + if (password == NULL) { + zip_error_set(&za->error, ZIP_ER_NOPASSWD, 0); + return NULL; + } + if ((enc_impl=_zip_get_encryption_implementation(st.encryption_method)) == NULL) { + zip_error_set(&za->error, ZIP_ER_ENCRNOTSUPP, 0); + return NULL; + } + } + + comp_impl = NULL; + if ((flags & ZIP_FL_COMPRESSED) == 0) { + if (st.comp_method != ZIP_CM_STORE) { + if ((comp_impl=_zip_get_compression_implementation(st.comp_method)) == NULL) { + zip_error_set(&za->error, ZIP_ER_COMPNOTSUPP, 0); + return NULL; + } + } + } + + if ((offset=_zip_file_get_offset(srcza, srcidx, &za->error)) == 0) + return NULL; + + if (st.comp_size == 0) { + return zip_source_buffer(za, NULL, 0, 0); + } + + if (start+len > 0 && enc_impl == NULL && comp_impl == NULL) { + struct zip_stat st2; + + st2.size = len ? len : st.size-start; + st2.comp_size = st2.size; + st2.comp_method = ZIP_CM_STORE; + st2.mtime = st.mtime; + st2.valid = ZIP_STAT_SIZE|ZIP_STAT_COMP_SIZE|ZIP_STAT_COMP_METHOD|ZIP_STAT_MTIME; + + if ((src = _zip_source_window_new(srcza->src, offset+start, st2.size, &st2, &za->error)) == NULL) { + return NULL; + } + } + else { + if ((src = _zip_source_window_new(srcza->src, offset, st.comp_size, &st, &za->error)) == NULL) { + return NULL; + } + } + + if (_zip_source_set_source_archive(src, srcza) < 0) { + zip_source_free(src); + return NULL; + } + + /* creating a layered source calls zip_keep() on the lower layer, so we free it */ + + if (enc_impl) { + s2 = enc_impl(za, src, st.encryption_method, 0, password); + zip_source_free(src); + if (s2 == NULL) { + return NULL; + } + src = s2; + } + if (comp_impl) { + s2 = comp_impl(za, src, st.comp_method, 0); + zip_source_free(src); + if (s2 == NULL) { + return NULL; + } + src = s2; + } + if (((flags & ZIP_FL_COMPRESSED) == 0 || st.comp_method == ZIP_CM_STORE) && (len == 0 || len == st.comp_size)) { + /* when reading the whole file, check for CRC errors */ + s2 = zip_source_crc(za, src, 1); + zip_source_free(src); + if (s2 == NULL) { + return NULL; + } + src = s2; + } + + if (start+len > 0 && (comp_impl || enc_impl)) { + s2 = zip_source_window(za, src, start, len ? len : st.size-start); + zip_source_free(src); + if (s2 == NULL) { + return NULL; + } + src = s2; + } + + return src; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_stat.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,47 @@ +/* + zip_stat.c -- get information about file by name + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_stat(zip_t *za, const char *fname, zip_flags_t flags, zip_stat_t *st) +{ + zip_int64_t idx; + + if ((idx=zip_name_locate(za, fname, flags)) < 0) + return -1; + + return zip_stat_index(za, (zip_uint64_t)idx, flags, st); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_stat_index.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,86 @@ +/* + zip_stat_index.c -- get information about file by index + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_stat_index(zip_t *za, zip_uint64_t index, zip_flags_t flags, + zip_stat_t *st) +{ + const char *name; + zip_dirent_t *de; + + if ((de=_zip_get_dirent(za, index, flags, NULL)) == NULL) + return -1; + + if ((name=zip_get_name(za, index, flags)) == NULL) + return -1; + + + if ((flags & ZIP_FL_UNCHANGED) == 0 + && ZIP_ENTRY_DATA_CHANGED(za->entry+index)) { + if (zip_source_stat(za->entry[index].source, st) < 0) { + zip_error_set(&za->error, ZIP_ER_CHANGED, 0); + return -1; + } + } + else { + zip_stat_init(st); + + st->crc = de->crc; + st->size = de->uncomp_size; + st->mtime = de->last_mod; + st->comp_size = de->comp_size; + st->comp_method = (zip_uint16_t)de->comp_method; + if (de->bitflags & ZIP_GPBF_ENCRYPTED) { + if (de->bitflags & ZIP_GPBF_STRONG_ENCRYPTION) { + /* TODO */ + st->encryption_method = ZIP_EM_UNKNOWN; + } + else + st->encryption_method = ZIP_EM_TRAD_PKWARE; + } + else + st->encryption_method = ZIP_EM_NONE; + st->valid = ZIP_STAT_CRC|ZIP_STAT_SIZE|ZIP_STAT_MTIME + |ZIP_STAT_COMP_SIZE|ZIP_STAT_COMP_METHOD|ZIP_STAT_ENCRYPTION_METHOD; + } + + st->index = index; + st->name = name; + st->valid |= ZIP_STAT_INDEX|ZIP_STAT_NAME; + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_stat_init.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,85 @@ +/* + zip_stat_init.c -- initialize struct zip_stat. + Copyright (C) 2006-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#include <string.h> + +#include "zipint.h" + + +ZIP_EXTERN void +zip_stat_init(zip_stat_t *st) +{ + st->valid = 0; + st->name = NULL; + st->index = ZIP_UINT64_MAX; + st->crc = 0; + st->mtime = (time_t)-1; + st->size = 0; + st->comp_size = 0; + st->comp_method = ZIP_CM_STORE; + st->encryption_method = ZIP_EM_NONE; +} + + +int +_zip_stat_merge(zip_stat_t *dst, const zip_stat_t *src, zip_error_t *error) +{ + /* name is not merged, since zip_stat_t doesn't own it, and src may not be valid as long as dst */ + if (src->valid & ZIP_STAT_INDEX) { + dst->index = src->index; + } + if (src->valid & ZIP_STAT_SIZE) { + dst->size = src->size; + } + if (src->valid & ZIP_STAT_COMP_SIZE) { + dst->comp_size = src->comp_size; + } + if (src->valid & ZIP_STAT_MTIME) { + dst->mtime = src->mtime; + } + if (src->valid & ZIP_STAT_CRC) { + dst->crc = src->crc; + } + if (src->valid & ZIP_STAT_COMP_METHOD) { + dst->comp_method = src->comp_method; + } + if (src->valid & ZIP_STAT_ENCRYPTION_METHOD) { + dst->encryption_method = src->encryption_method; + } + if (src->valid & ZIP_STAT_FLAGS) { + dst->flags = src->flags; + } + dst->valid |= src->valid; + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_strerror.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,42 @@ +/* + zip_sterror.c -- get string representation of zip error + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN const char * +zip_strerror(zip_t *za) +{ + return zip_error_strerror(&za->error); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_string.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,188 @@ +/* + zip_string.c -- string handling (with encoding) + Copyright (C) 2012-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> +#include <string.h> + +#include "zipint.h" + + +zip_uint32_t +_zip_string_crc32(const zip_string_t *s) +{ + zip_uint32_t crc; + + crc = (zip_uint32_t)crc32(0L, Z_NULL, 0); + + if (s != NULL) + crc = (zip_uint32_t)crc32(crc, s->raw, s->length); + + return crc; +} + + +int +_zip_string_equal(const zip_string_t *a, const zip_string_t *b) +{ + if (a == NULL || b == NULL) + return a == b; + + if (a->length != b->length) + return 0; + + /* TODO: encoding */ + + return (memcmp(a->raw, b->raw, a->length) == 0); +} + + +void +_zip_string_free(zip_string_t *s) +{ + if (s == NULL) + return; + + free(s->raw); + free(s->converted); + free(s); +} + + +const zip_uint8_t * +_zip_string_get(zip_string_t *string, zip_uint32_t *lenp, zip_flags_t flags, zip_error_t *error) +{ + static const zip_uint8_t empty[1] = ""; + + if (string == NULL) { + if (lenp) + *lenp = 0; + return empty; + } + + if ((flags & ZIP_FL_ENC_RAW) == 0) { + /* start guessing */ + if (string->encoding == ZIP_ENCODING_UNKNOWN) + _zip_guess_encoding(string, ZIP_ENCODING_UNKNOWN); + + if (((flags & ZIP_FL_ENC_STRICT) + && string->encoding != ZIP_ENCODING_ASCII && string->encoding != ZIP_ENCODING_UTF8_KNOWN) + || (string->encoding == ZIP_ENCODING_CP437)) { + if (string->converted == NULL) { + if ((string->converted=_zip_cp437_to_utf8(string->raw, string->length, + &string->converted_length, error)) == NULL) + return NULL; + } + if (lenp) + *lenp = string->converted_length; + return string->converted; + } + } + + if (lenp) + *lenp = string->length; + return string->raw; +} + + +zip_uint16_t +_zip_string_length(const zip_string_t *s) +{ + if (s == NULL) + return 0; + + return s->length; +} + + +zip_string_t * +_zip_string_new(const zip_uint8_t *raw, zip_uint16_t length, zip_flags_t flags, zip_error_t *error) +{ + zip_string_t *s; + zip_encoding_type_t expected_encoding; + + if (length == 0) + return NULL; + + switch (flags & ZIP_FL_ENCODING_ALL) { + case ZIP_FL_ENC_GUESS: + expected_encoding = ZIP_ENCODING_UNKNOWN; + break; + case ZIP_FL_ENC_UTF_8: + expected_encoding = ZIP_ENCODING_UTF8_KNOWN; + break; + case ZIP_FL_ENC_CP437: + expected_encoding = ZIP_ENCODING_CP437; + break; + default: + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + + if ((s=(zip_string_t *)malloc(sizeof(*s))) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + if ((s->raw=(zip_uint8_t *)malloc((size_t)(length+1))) == NULL) { + free(s); + return NULL; + } + + memcpy(s->raw, raw, length); + s->raw[length] = '\0'; + s->length = length; + s->encoding = ZIP_ENCODING_UNKNOWN; + s->converted = NULL; + s->converted_length = 0; + + if (expected_encoding != ZIP_ENCODING_UNKNOWN) { + if (_zip_guess_encoding(s, expected_encoding) == ZIP_ENCODING_ERROR) { + _zip_string_free(s); + zip_error_set(error, ZIP_ER_INVAL, 0); + return NULL; + } + } + + return s; +} + + +int +_zip_string_write(zip_t *za, const zip_string_t *s) +{ + if (s == NULL) + return 0; + + return _zip_write(za, s->raw, s->length); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_unchange.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,95 @@ +/* + zip_unchange.c -- undo changes to file in zip archive + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +ZIP_EXTERN int +zip_unchange(zip_t *za, zip_uint64_t idx) +{ + return _zip_unchange(za, idx, 0); +} + + +int +_zip_unchange(zip_t *za, zip_uint64_t idx, int allow_duplicates) +{ + zip_int64_t i; + const char *orig_name, *changed_name; + + if (idx >= za->nentry) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (!allow_duplicates && za->entry[idx].changes && (za->entry[idx].changes->changed & ZIP_DIRENT_FILENAME)) { + if (za->entry[idx].orig != NULL) { + if ((orig_name=_zip_get_name(za, idx, ZIP_FL_UNCHANGED, &za->error)) == NULL) { + return -1; + } + + i = _zip_name_locate(za, orig_name, 0, NULL); + if (i >= 0 && (zip_uint64_t)i != idx) { + zip_error_set(&za->error, ZIP_ER_EXISTS, 0); + return -1; + } + } + else { + orig_name = NULL; + } + + if ((changed_name=_zip_get_name(za, idx, 0, &za->error)) == NULL) { + return -1; + } + + if (orig_name) { + if (_zip_hash_add(za->names, (const zip_uint8_t *)orig_name, idx, 0, &za->error) == false) { + return -1; + } + } + if (_zip_hash_delete(za->names, (const zip_uint8_t *)changed_name, &za->error) == false) { + _zip_hash_delete(za->names, (const zip_uint8_t *)orig_name, NULL); + return -1; + } + } + + _zip_dirent_free(za->entry[idx].changes); + za->entry[idx].changes = NULL; + + _zip_unchange_data(za->entry+idx); + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_unchange_all.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,55 @@ +/* + zip_unchange.c -- undo changes to all files in zip archive + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +ZIP_EXTERN int +zip_unchange_all(zip_t *za) +{ + int ret; + zip_uint64_t i; + + _zip_hash_revert(za->names); + + ret = 0; + for (i=0; i<za->nentry; i++) + ret |= _zip_unchange(za, i, 1); + + ret |= zip_unchange_archive(za); + + return ret; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_unchange_archive.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,52 @@ +/* + zip_unchange_archive.c -- undo global changes to ZIP archive + Copyright (C) 2006-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include <stdlib.h> + +#include "zipint.h" + + +ZIP_EXTERN int +zip_unchange_archive(zip_t *za) +{ + if (za->comment_changed) { + _zip_string_free(za->comment_changes); + za->comment_changes = NULL; + za->comment_changed = 0; + } + + za->ch_flags = za->flags; + + return 0; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_unchange_data.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,55 @@ +/* + zip_unchange_data.c -- undo helper function + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + +void +_zip_unchange_data(zip_entry_t *ze) +{ + if (ze->source) { + zip_source_free(ze->source); + ze->source = NULL; + } + + if (ze->changes != NULL && (ze->changes->changed & ZIP_DIRENT_COMP_METHOD) && ze->changes->comp_method == ZIP_CM_REPLACED_DEFAULT) { + ze->changes->changed &= ~ZIP_DIRENT_COMP_METHOD; + if (ze->changes->changed == 0) { + _zip_dirent_free(ze->changes); + ze->changes = NULL; + } + } + + ze->deleted = 0; +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zip_utf-8.c Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,249 @@ +/* + zip_utf-8.c -- UTF-8 support functions for libzip + Copyright (C) 2011-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + +#include <stdlib.h> + + +static const zip_uint16_t _cp437_to_unicode[256] = { + /* 0x00 - 0x0F */ + 0x2007, 0x263A, 0x263B, 0x2665, 0x2666, 0x2663, 0x2660, 0x2022, + 0x25D8, 0x25CB, 0x25D9, 0x2642, 0x2640, 0x266A, 0x266B, 0x263C, + + /* 0x10 - 0x1F */ + 0x25BA, 0x25C4, 0x2195, 0x203C, 0x00B6, 0x00A7, 0x25AC, 0x21A8, + 0x2191, 0x2193, 0x2192, 0x2190, 0x221F, 0x2194, 0x25B2, 0x25BC, + + /* 0x20 - 0x2F */ + 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027, + 0x0028, 0x0029, 0x002A, 0x002B, 0x002C, 0x002D, 0x002E, 0x002F, + + /* 0x30 - 0x3F */ + 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, + 0x0038, 0x0039, 0x003A, 0x003B, 0x003C, 0x003D, 0x003E, 0x003F, + + /* 0x40 - 0x4F */ + 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, + 0x0048, 0x0049, 0x004A, 0x004B, 0x004C, 0x004D, 0x004E, 0x004F, + + /* 0x50 - 0x5F */ + 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, + 0x0058, 0x0059, 0x005A, 0x005B, 0x005C, 0x005D, 0x005E, 0x005F, + + /* 0x60 - 0x6F */ + 0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067, + 0x0068, 0x0069, 0x006A, 0x006B, 0x006C, 0x006D, 0x006E, 0x006F, + + /* 0x70 - 0x7F */ + 0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077, + 0x0078, 0x0079, 0x007A, 0x007B, 0x007C, 0x007D, 0x007E, 0x2302, + + /* 0x80 - 0x8F */ + 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7, + 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5, + + /* 0x90 - 0x9F */ + 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9, + 0x00FF, 0x00D6, 0x00DC, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192, + + /* 0xA0 - 0xAF */ + 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA, + 0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, + + /* 0xB0 - 0xBF */ + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, + 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, + + /* 0xC0 - 0xCF */ + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, + 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, + + /* 0xD0 - 0xDF */ + 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, + 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, + + /* 0xE0 - 0xEF */ + 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, + 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229, + + /* 0xF0 - 0xFF */ + 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, + 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 +}; + +#define UTF_8_LEN_2_MASK 0xe0 +#define UTF_8_LEN_2_MATCH 0xc0 +#define UTF_8_LEN_3_MASK 0xf0 +#define UTF_8_LEN_3_MATCH 0xe0 +#define UTF_8_LEN_4_MASK 0xf8 +#define UTF_8_LEN_4_MATCH 0xf0 +#define UTF_8_CONTINUE_MASK 0xc0 +#define UTF_8_CONTINUE_MATCH 0x80 + + +zip_encoding_type_t +_zip_guess_encoding(zip_string_t *str, zip_encoding_type_t expected_encoding) +{ + zip_encoding_type_t enc; + const zip_uint8_t *name; + zip_uint32_t i, j, ulen; + + if (str == NULL) + return ZIP_ENCODING_ASCII; + + name = str->raw; + + if (str->encoding != ZIP_ENCODING_UNKNOWN) + enc = str->encoding; + else { + enc = ZIP_ENCODING_ASCII; + for (i=0; i<str->length; i++) { + if ((name[i] > 31 && name[i] < 128) || name[i] == '\r' || name[i] == '\n' || name[i] == '\t') + continue; + + enc = ZIP_ENCODING_UTF8_GUESSED; + if ((name[i] & UTF_8_LEN_2_MASK) == UTF_8_LEN_2_MATCH) + ulen = 1; + else if ((name[i] & UTF_8_LEN_3_MASK) == UTF_8_LEN_3_MATCH) + ulen = 2; + else if ((name[i] & UTF_8_LEN_4_MASK) == UTF_8_LEN_4_MATCH) + ulen = 3; + else { + enc = ZIP_ENCODING_CP437; + break; + } + + if (i + ulen >= str->length) { + enc = ZIP_ENCODING_CP437; + break; + } + + for (j=1; j<=ulen; j++) { + if ((name[i+j] & UTF_8_CONTINUE_MASK) != UTF_8_CONTINUE_MATCH) { + enc = ZIP_ENCODING_CP437; + goto done; + } + } + i += ulen; + } + } + +done: + str->encoding = enc; + + if (expected_encoding != ZIP_ENCODING_UNKNOWN) { + if (expected_encoding == ZIP_ENCODING_UTF8_KNOWN && enc == ZIP_ENCODING_UTF8_GUESSED) + str->encoding = enc = ZIP_ENCODING_UTF8_KNOWN; + + if (expected_encoding != enc && enc != ZIP_ENCODING_ASCII) + return ZIP_ENCODING_ERROR; + } + + return enc; +} + + +static zip_uint32_t +_zip_unicode_to_utf8_len(zip_uint32_t codepoint) +{ + if (codepoint < 0x0080) + return 1; + if (codepoint < 0x0800) + return 2; + if (codepoint < 0x10000) + return 3; + return 4; +} + + +static zip_uint32_t +_zip_unicode_to_utf8(zip_uint32_t codepoint, zip_uint8_t *buf) +{ + if (codepoint < 0x0080) { + buf[0] = codepoint & 0xff; + return 1; + } + if (codepoint < 0x0800) { + buf[0] = (zip_uint8_t)(UTF_8_LEN_2_MATCH | ((codepoint >> 6) & 0x1f)); + buf[1] = (zip_uint8_t)(UTF_8_CONTINUE_MATCH | (codepoint & 0x3f)); + return 2; + } + if (codepoint < 0x10000) { + buf[0] = (zip_uint8_t)(UTF_8_LEN_3_MATCH | ((codepoint >> 12) & 0x0f)); + buf[1] = (zip_uint8_t)(UTF_8_CONTINUE_MATCH | ((codepoint >> 6) & 0x3f)); + buf[2] = (zip_uint8_t)(UTF_8_CONTINUE_MATCH | (codepoint & 0x3f)); + return 3; + } + buf[0] = (zip_uint8_t)(UTF_8_LEN_4_MATCH | ((codepoint >> 18) & 0x07)); + buf[1] = (zip_uint8_t)(UTF_8_CONTINUE_MATCH | ((codepoint >> 12) & 0x3f)); + buf[2] = (zip_uint8_t)(UTF_8_CONTINUE_MATCH | ((codepoint >> 6) & 0x3f)); + buf[3] = (zip_uint8_t)(UTF_8_CONTINUE_MATCH | (codepoint & 0x3f)); + return 4; +} + + +zip_uint8_t * +_zip_cp437_to_utf8(const zip_uint8_t * const _cp437buf, zip_uint32_t len, + zip_uint32_t *utf8_lenp, zip_error_t *error) +{ + zip_uint8_t *cp437buf = (zip_uint8_t *)_cp437buf; + zip_uint8_t *utf8buf; + zip_uint32_t buflen, i, offset; + + if (len == 0) { + if (utf8_lenp) + *utf8_lenp = 0; + return NULL; + } + + buflen = 1; + for (i=0; i<len; i++) + buflen += _zip_unicode_to_utf8_len(_cp437_to_unicode[cp437buf[i]]); + + if ((utf8buf=(zip_uint8_t*)malloc(buflen)) == NULL) { + zip_error_set(error, ZIP_ER_MEMORY, 0); + return NULL; + } + + offset = 0; + for (i=0; i<len; i++) + offset += _zip_unicode_to_utf8(_cp437_to_unicode[cp437buf[i]], + utf8buf+offset); + + utf8buf[buflen-1] = 0; + if (utf8_lenp) + *utf8_lenp = buflen-1; + return utf8buf; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zipint.h Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,583 @@ +#ifndef _HAD_ZIPINT_H +#define _HAD_ZIPINT_H + +/* + zipint.h -- internal declarations. + Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +/* to have *_MAX definitions for all types when compiling with g++ */ +#define __STDC_LIMIT_MACROS + +#include <zlib.h> + +#ifdef _WIN32 +#define ZIP_EXTERN __declspec(dllexport) +/* for dup(), close(), etc. */ +#include <io.h> +#endif + +#ifndef _ZIP_COMPILING_DEPRECATED +#define ZIP_DISABLE_DEPRECATED +#endif + +#include "zip.h" + +#ifdef HAVE_STDBOOL_H +#include <stdbool.h> +#else +typedef char bool; +#define true 1 +#define false 0 +#endif + +#include <errno.h> + +/* at least MinGW does not provide EOPNOTSUPP, see + * http://sourceforge.net/p/mingw/bugs/263/ + */ +#ifndef EOPNOTSUPP +#define EOPNOTSUPP EINVAL +#endif + +/* at least MinGW does not provide EOVERFLOW, see + * http://sourceforge.net/p/mingw/bugs/242/ + */ +#ifndef EOVERFLOW +#define EOVERFLOW EFBIG +#endif + +#ifdef _WIN32 +#if defined(HAVE__CLOSE) +#define close _close +#endif +#if defined(HAVE__DUP) +#define dup _dup +#endif +/* crashes reported when using fdopen instead of _fdopen on Windows/Visual Studio 10/Win64 */ +#if defined(HAVE__FDOPEN) +#define fdopen _fdopen +#endif +#if !defined(HAVE_FILENO) && defined(HAVE__FILENO) +#define fileno _fileno +#endif +/* Windows' open() doesn't understand Unix permissions */ +#if defined(HAVE__OPEN) +#define open(a, b, c) _open((a), (b)) +#endif +#if defined(HAVE__SNPRINTF) +#define snprintf _snprintf +#endif +#if defined(HAVE__STRDUP) +#if !defined(HAVE_STRDUP) || defined(_WIN32) +#undef strdup +#define strdup _strdup +#endif +#endif +#if !defined(HAVE__SETMODE) && defined(HAVE_SETMODE) +#define _setmode setmode +#endif +#endif + +#ifndef HAVE_FSEEKO +#define fseeko(s, o, w) (fseek((s), (long int)(o), (w))) +#endif + +#ifndef HAVE_FTELLO +#define ftello(s) ((long)ftell((s))) +#endif + +#ifndef HAVE_MKSTEMP +int _zip_mkstemp(char *); +#define mkstemp _zip_mkstemp +#endif + +#if !defined(HAVE_STRCASECMP) +#if defined(HAVE__STRICMP) +#define strcasecmp _stricmp +#elif defined(HAVE_STRICMP) +#define strcasecmp stricmp +#endif +#endif + +#if SIZEOF_OFF_T == 8 +#define ZIP_OFF_MAX ZIP_INT64_MAX +#define ZIP_OFF_MIN ZIP_INT64_MIN +#elif SIZEOF_OFF_T == 4 +#define ZIP_OFF_MAX ZIP_INT32_MAX +#define ZIP_OFF_MIN ZIP_INT32_MIN +#elif SIZEOF_OFF_T == 2 +#define ZIP_OFF_MAX ZIP_INT16_MAX +#define ZIP_OFF_MIN ZIP_INT16_MIN +#else +#error unsupported size of off_t +#endif + +#if defined(HAVE_FTELLO) && defined(HAVE_FSEEKO) +#define ZIP_FSEEK_MAX ZIP_OFF_MAX +#define ZIP_FSEEK_MIN ZIP_OFF_MIN +#else +#include <limits.h> +#define ZIP_FSEEK_MAX LONG_MAX +#define ZIP_FSEEK_MIN LONG_MIN +#endif + +#ifndef SIZE_MAX +#if SIZEOF_SIZE_T == 8 +#define SIZE_MAX ZIP_INT64_MAX +#elif SIZEOF_SIZE_T == 4 +#define SIZE_MAX ZIP_INT32_MAX +#elif SIZEOF_SIZE_T == 2 +#define SIZE_MAX ZIP_INT16_MAX +#else +#error unsupported size of size_t +#endif +#endif + +#define CENTRAL_MAGIC "PK\1\2" +#define LOCAL_MAGIC "PK\3\4" +#define EOCD_MAGIC "PK\5\6" +#define DATADES_MAGIC "PK\7\8" +#define EOCD64LOC_MAGIC "PK\6\7" +#define EOCD64_MAGIC "PK\6\6" +#define CDENTRYSIZE 46u +#define LENTRYSIZE 30 +#define MAXCOMLEN 65536 +#define MAXEXTLEN 65536 +#define EOCDLEN 22 +#define EOCD64LOCLEN 20 +#define EOCD64LEN 56 +#define CDBUFSIZE (MAXCOMLEN+EOCDLEN+EOCD64LOCLEN) +#define BUFSIZE 8192 +#define EFZIP64SIZE 28 + +#define ZIP_CM_REPLACED_DEFAULT (-2) + +#define ZIP_CM_IS_DEFAULT(x) ((x) == ZIP_CM_DEFAULT || (x) == ZIP_CM_REPLACED_DEFAULT) + +#define ZIP_EF_UTF_8_COMMENT 0x6375 +#define ZIP_EF_UTF_8_NAME 0x7075 +#define ZIP_EF_ZIP64 0x0001 + +#define ZIP_EF_IS_INTERNAL(id) ((id) == ZIP_EF_UTF_8_COMMENT || (id) == ZIP_EF_UTF_8_NAME || (id) == ZIP_EF_ZIP64) + +/* according to unzip-6.0's zipinfo.c, this corresponds to a regular file with rw permissions for everyone */ +#define ZIP_EXT_ATTRIB_DEFAULT (0100666u<<16) +/* according to unzip-6.0's zipinfo.c, this corresponds to a directory with rwx permissions for everyone */ +#define ZIP_EXT_ATTRIB_DEFAULT_DIR (0040777u<<16) + + +#define ZIP_MAX(a, b) ((a) > (b) ? (a) : (b)) +#define ZIP_MIN(a, b) ((a) < (b) ? (a) : (b)) + +/* This section contains API that won't materialize like this. It's + placed in the internal section, pending cleanup. */ + +/* flags for compression and encryption sources */ + +#define ZIP_CODEC_DECODE 0 /* decompress/decrypt (encode flag not set) */ +#define ZIP_CODEC_ENCODE 1 /* compress/encrypt */ + + +typedef zip_source_t *(*zip_compression_implementation)(zip_t *, zip_source_t *, zip_int32_t, int); +typedef zip_source_t *(*zip_encryption_implementation)(zip_t *, zip_source_t *, zip_uint16_t, int, const char *); + +zip_compression_implementation _zip_get_compression_implementation(zip_int32_t); +zip_encryption_implementation _zip_get_encryption_implementation(zip_uint16_t); + + + +/* This API is not final yet, but we need it internally, so it's private for now. */ + +const zip_uint8_t *zip_get_extra_field_by_id(zip_t *, int, int, zip_uint16_t, int, zip_uint16_t *); + +/* This section contains API that is of limited use until support for + user-supplied compression/encryption implementation is finished. + Thus we will keep it private for now. */ + +typedef zip_int64_t (*zip_source_layered_callback)(zip_source_t *, void *, void *, zip_uint64_t, enum zip_source_cmd); +zip_source_t *zip_source_crc(zip_t *, zip_source_t *, int); +zip_source_t *zip_source_deflate(zip_t *, zip_source_t *, zip_int32_t, int); +zip_source_t *zip_source_layered(zip_t *, zip_source_t *, zip_source_layered_callback, void *); +zip_source_t *zip_source_layered_create(zip_source_t *src, zip_source_layered_callback cb, void *ud, zip_error_t *error); +zip_source_t *zip_source_pkware(zip_t *, zip_source_t *, zip_uint16_t, int, const char *); +int zip_source_remove(zip_source_t *); +zip_int64_t zip_source_supports(zip_source_t *src); +zip_source_t *zip_source_window(zip_t *, zip_source_t *, zip_uint64_t, zip_uint64_t); + + +/* error source for layered sources */ + +enum zip_les { ZIP_LES_NONE, ZIP_LES_UPPER, ZIP_LES_LOWER, ZIP_LES_INVAL }; + +/* directory entry: general purpose bit flags */ + +#define ZIP_GPBF_ENCRYPTED 0x0001 /* is encrypted */ +#define ZIP_GPBF_DATA_DESCRIPTOR 0x0008 /* crc/size after file data */ +#define ZIP_GPBF_STRONG_ENCRYPTION 0x0040 /* uses strong encryption */ +#define ZIP_GPBF_ENCODING_UTF_8 0x0800 /* file name encoding is UTF-8 */ + + +/* extra fields */ +#define ZIP_EF_LOCAL ZIP_FL_LOCAL /* include in local header */ +#define ZIP_EF_CENTRAL ZIP_FL_CENTRAL /* include in central directory */ +#define ZIP_EF_BOTH (ZIP_EF_LOCAL|ZIP_EF_CENTRAL) /* include in both */ + +#define ZIP_FL_FORCE_ZIP64 1024 /* force zip64 extra field (_zip_dirent_write) */ + +#define ZIP_FL_ENCODING_ALL (ZIP_FL_ENC_GUESS|ZIP_FL_ENC_CP437|ZIP_FL_ENC_UTF_8) + + +/* encoding type */ +enum zip_encoding_type { + ZIP_ENCODING_UNKNOWN, /* not yet analyzed */ + ZIP_ENCODING_ASCII, /* plain ASCII */ + ZIP_ENCODING_UTF8_KNOWN, /* is UTF-8 */ + ZIP_ENCODING_UTF8_GUESSED, /* possibly UTF-8 */ + ZIP_ENCODING_CP437, /* Code Page 437 */ + ZIP_ENCODING_ERROR /* should be UTF-8 but isn't */ +}; + +typedef enum zip_encoding_type zip_encoding_type_t; + +#ifndef ZIP_HASH_TABLE_SIZE +#define ZIP_HASH_TABLE_SIZE 8192 +#endif + +struct zip_hash; + +typedef struct zip_cdir zip_cdir_t; +typedef struct zip_dirent zip_dirent_t; +typedef struct zip_entry zip_entry_t; +typedef struct zip_extra_field zip_extra_field_t; +typedef struct zip_string zip_string_t; +typedef struct zip_buffer zip_buffer_t; +typedef struct zip_hash zip_hash_t; + +/* zip archive, part of API */ + +struct zip { + zip_source_t *src; /* data source for archive */ + unsigned int open_flags; /* flags passed to zip_open */ + zip_error_t error; /* error information */ + + unsigned int flags; /* archive global flags */ + unsigned int ch_flags; /* changed archive global flags */ + + char *default_password; /* password used when no other supplied */ + + zip_string_t *comment_orig; /* archive comment */ + zip_string_t *comment_changes; /* changed archive comment */ + bool comment_changed; /* whether archive comment was changed */ + + zip_uint64_t nentry; /* number of entries */ + zip_uint64_t nentry_alloc; /* number of entries allocated */ + zip_entry_t *entry; /* entries */ + + unsigned int nopen_source; /* number of open sources using archive */ + unsigned int nopen_source_alloc; /* number of sources allocated */ + zip_source_t **open_source; /* open sources using archive */ + + zip_hash_t *names; /* hash table for name lookup */ + + char *tempdir; /* custom temp dir (needed e.g. for OS X sandboxing) */ +}; + +/* file in zip archive, part of API */ + +struct zip_file { + zip_t *za; /* zip archive containing this file */ + zip_error_t error; /* error information */ + bool eof; + zip_source_t *src; /* data source */ +}; + +/* zip archive directory entry (central or local) */ + +#define ZIP_DIRENT_COMP_METHOD 0x0001u +#define ZIP_DIRENT_FILENAME 0x0002u +#define ZIP_DIRENT_COMMENT 0x0004u +#define ZIP_DIRENT_EXTRA_FIELD 0x0008u +#define ZIP_DIRENT_ATTRIBUTES 0x0010u +#define ZIP_DIRENT_LAST_MOD 0x0020u +#define ZIP_DIRENT_ALL 0xffffu + +struct zip_dirent { + zip_uint32_t changed; + bool local_extra_fields_read; /* whether we already read in local header extra fields */ + bool cloned; /* whether this instance is cloned, and thus shares non-changed strings */ + + zip_uint16_t version_madeby; /* (c) version of creator */ + zip_uint16_t version_needed; /* (cl) version needed to extract */ + zip_uint16_t bitflags; /* (cl) general purpose bit flag */ + zip_int32_t comp_method; /* (cl) compression method used (uint16 and ZIP_CM_DEFAULT (-1)) */ + time_t last_mod; /* (cl) time of last modification */ + zip_uint32_t crc; /* (cl) CRC-32 of uncompressed data */ + zip_uint64_t comp_size; /* (cl) size of compressed data */ + zip_uint64_t uncomp_size; /* (cl) size of uncompressed data */ + zip_string_t *filename; /* (cl) file name (NUL-terminated) */ + zip_extra_field_t *extra_fields; /* (cl) extra fields, parsed */ + zip_string_t *comment; /* (c) file comment */ + zip_uint32_t disk_number; /* (c) disk number start */ + zip_uint16_t int_attrib; /* (c) internal file attributes */ + zip_uint32_t ext_attrib; /* (c) external file attributes */ + zip_uint64_t offset; /* (c) offset of local header */ +}; + +/* zip archive central directory */ + +struct zip_cdir { + zip_entry_t *entry; /* directory entries */ + zip_uint64_t nentry; /* number of entries */ + zip_uint64_t nentry_alloc; /* number of entries allocated */ + + zip_uint64_t size; /* size of central directory */ + zip_uint64_t offset; /* offset of central directory in file */ + zip_string_t *comment; /* zip archive comment */ +}; + +struct zip_extra_field { + zip_extra_field_t *next; + zip_flags_t flags; /* in local/central header */ + zip_uint16_t id; /* header id */ + zip_uint16_t size; /* data size */ + zip_uint8_t *data; +}; + +enum zip_source_write_state { + ZIP_SOURCE_WRITE_CLOSED, /* write is not in progress */ + ZIP_SOURCE_WRITE_OPEN, /* write is in progress */ + ZIP_SOURCE_WRITE_FAILED, /* commit failed, only rollback allowed */ + ZIP_SOURCE_WRITE_REMOVED /* file was removed */ +}; +typedef enum zip_source_write_state zip_source_write_state_t; + +struct zip_source { + zip_source_t *src; + union { + zip_source_callback f; + zip_source_layered_callback l; + } cb; + void *ud; + zip_error_t error; + zip_int64_t supports; /* supported commands */ + unsigned int open_count; /* number of times source was opened (directly or as lower layer) */ + zip_source_write_state_t write_state; /* whether source is open for writing */ + bool source_closed; /* set if source archive is closed */ + zip_t *source_archive; /* zip archive we're reading from, NULL if not from archive */ + unsigned int refcount; +}; + +#define ZIP_SOURCE_IS_OPEN_READING(src) ((src)->open_count > 0) +#define ZIP_SOURCE_IS_OPEN_WRITING(src) ((src)->write_state == ZIP_SOURCE_WRITE_OPEN) +#define ZIP_SOURCE_IS_LAYERED(src) ((src)->src != NULL) + +/* entry in zip archive directory */ + +struct zip_entry { + zip_dirent_t *orig; + zip_dirent_t *changes; + zip_source_t *source; + bool deleted; +}; + + +/* file or archive comment, or filename */ + +struct zip_string { + zip_uint8_t *raw; /* raw string */ + zip_uint16_t length; /* length of raw string */ + enum zip_encoding_type encoding; /* autorecognized encoding */ + zip_uint8_t *converted; /* autoconverted string */ + zip_uint32_t converted_length; /* length of converted */ +}; + + +/* bounds checked access to memory buffer */ + +struct zip_buffer { + bool ok; + bool free_data; + + zip_uint8_t *data; + zip_uint64_t size; + zip_uint64_t offset; +}; + +/* which files to write in which order */ + +struct zip_filelist { + zip_uint64_t idx; +/* TODO const char *name; */ +}; + +typedef struct zip_filelist zip_filelist_t; + + +extern const char * const _zip_err_str[]; +extern const int _zip_nerr_str; +extern const int _zip_err_type[]; + + +#define ZIP_ENTRY_CHANGED(e, f) ((e)->changes && ((e)->changes->changed & (f))) + +#define ZIP_ENTRY_DATA_CHANGED(x) ((x)->source != NULL) + +#define ZIP_IS_RDONLY(za) ((za)->ch_flags & ZIP_AFL_RDONLY) + + +zip_int64_t _zip_add_entry(zip_t *); + +zip_uint8_t *_zip_buffer_data(zip_buffer_t *buffer); +bool _zip_buffer_eof(zip_buffer_t *buffer); +void _zip_buffer_free(zip_buffer_t *buffer); +zip_uint8_t *_zip_buffer_get(zip_buffer_t *buffer, zip_uint64_t length); +zip_uint16_t _zip_buffer_get_16(zip_buffer_t *buffer); +zip_uint32_t _zip_buffer_get_32(zip_buffer_t *buffer); +zip_uint64_t _zip_buffer_get_64(zip_buffer_t *buffer); +zip_uint8_t _zip_buffer_get_8(zip_buffer_t *buffer); +zip_uint64_t _zip_buffer_left(zip_buffer_t *buffer); +zip_buffer_t *_zip_buffer_new(zip_uint8_t *data, zip_uint64_t size); +zip_buffer_t *_zip_buffer_new_from_source(zip_source_t *src, zip_uint64_t size, zip_uint8_t *buf, zip_error_t *error); +zip_uint64_t _zip_buffer_offset(zip_buffer_t *buffer); +bool _zip_buffer_ok(zip_buffer_t *buffer); +int _zip_buffer_put(zip_buffer_t *buffer, const void *src, size_t length); +int _zip_buffer_put_16(zip_buffer_t *buffer, zip_uint16_t i); +int _zip_buffer_put_32(zip_buffer_t *buffer, zip_uint32_t i); +int _zip_buffer_put_64(zip_buffer_t *buffer, zip_uint64_t i); +int _zip_buffer_put_8(zip_buffer_t *buffer, zip_uint8_t i); +int _zip_buffer_skip(zip_buffer_t *buffer, zip_uint64_t length); +int _zip_buffer_set_offset(zip_buffer_t *buffer, zip_uint64_t offset); +zip_uint64_t _zip_buffer_size(zip_buffer_t *buffer); + +int _zip_cdir_compute_crc(zip_t *, uLong *); +void _zip_cdir_free(zip_cdir_t *); +zip_cdir_t *_zip_cdir_new(zip_uint64_t, zip_error_t *); +zip_int64_t _zip_cdir_write(zip_t *za, const zip_filelist_t *filelist, zip_uint64_t survivors); +void _zip_deregister_source(zip_t *za, zip_source_t *src); + +zip_dirent_t *_zip_dirent_clone(const zip_dirent_t *); +void _zip_dirent_free(zip_dirent_t *); +void _zip_dirent_finalize(zip_dirent_t *); +void _zip_dirent_init(zip_dirent_t *); +bool _zip_dirent_needs_zip64(const zip_dirent_t *, zip_flags_t); +zip_dirent_t *_zip_dirent_new(void); +zip_int64_t _zip_dirent_read(zip_dirent_t *zde, zip_source_t *src, zip_buffer_t *buffer, bool local, zip_error_t *error); +zip_int32_t _zip_dirent_size(zip_source_t *src, zip_uint16_t, zip_error_t *); +int _zip_dirent_write(zip_t *za, zip_dirent_t *dirent, zip_flags_t flags); + +zip_extra_field_t *_zip_ef_clone(const zip_extra_field_t *, zip_error_t *); +zip_extra_field_t *_zip_ef_delete_by_id(zip_extra_field_t *, zip_uint16_t, zip_uint16_t, zip_flags_t); +void _zip_ef_free(zip_extra_field_t *); +const zip_uint8_t *_zip_ef_get_by_id(const zip_extra_field_t *, zip_uint16_t *, zip_uint16_t, zip_uint16_t, zip_flags_t, zip_error_t *); +zip_extra_field_t *_zip_ef_merge(zip_extra_field_t *, zip_extra_field_t *); +zip_extra_field_t *_zip_ef_new(zip_uint16_t, zip_uint16_t, const zip_uint8_t *, zip_flags_t); +bool _zip_ef_parse(const zip_uint8_t *, zip_uint16_t, zip_flags_t, zip_extra_field_t **, zip_error_t *); +zip_extra_field_t *_zip_ef_remove_internal(zip_extra_field_t *); +zip_uint16_t _zip_ef_size(const zip_extra_field_t *, zip_flags_t); +int _zip_ef_write(zip_t *za, const zip_extra_field_t *ef, zip_flags_t flags); + +void _zip_entry_finalize(zip_entry_t *); +void _zip_entry_init(zip_entry_t *); + +void _zip_error_clear(zip_error_t *); +void _zip_error_get(const zip_error_t *, int *, int *); + +void _zip_error_copy(zip_error_t *dst, const zip_error_t *src); +void _zip_error_set_from_source(zip_error_t *, zip_source_t *); + +const zip_uint8_t *_zip_extract_extra_field_by_id(zip_error_t *, zip_uint16_t, int, const zip_uint8_t *, zip_uint16_t, zip_uint16_t *); + +int _zip_file_extra_field_prepare_for_change(zip_t *, zip_uint64_t); +int _zip_file_fillbuf(void *, size_t, zip_file_t *); +zip_uint64_t _zip_file_get_offset(const zip_t *, zip_uint64_t, zip_error_t *); + +int _zip_filerange_crc(zip_source_t *src, zip_uint64_t offset, zip_uint64_t length, uLong *crcp, zip_error_t *error); + +zip_dirent_t *_zip_get_dirent(zip_t *, zip_uint64_t, zip_flags_t, zip_error_t *); + +enum zip_encoding_type _zip_guess_encoding(zip_string_t *, enum zip_encoding_type); +zip_uint8_t *_zip_cp437_to_utf8(const zip_uint8_t * const, zip_uint32_t, zip_uint32_t *, zip_error_t *); + +bool _zip_hash_add(zip_hash_t *hash, const zip_uint8_t *name, zip_uint64_t index, zip_flags_t flags, zip_error_t *error); +bool _zip_hash_delete(zip_hash_t *hash, const zip_uint8_t *key, zip_error_t *error); +void _zip_hash_free(zip_hash_t *hash); +zip_int64_t _zip_hash_lookup(zip_hash_t *hash, const zip_uint8_t *name, zip_flags_t flags, zip_error_t *error); +zip_hash_t *_zip_hash_new(zip_uint16_t hash_size, zip_error_t *error); +void _zip_hash_revert(zip_hash_t *hash); + +zip_t *_zip_open(zip_source_t *, unsigned int, zip_error_t *); + +int _zip_read(zip_source_t *src, zip_uint8_t *data, zip_uint64_t length, zip_error_t *error); +int _zip_read_at_offset(zip_source_t *src, zip_uint64_t offset, unsigned char *b, size_t length, zip_error_t *error); +zip_uint8_t *_zip_read_data(zip_buffer_t *buffer, zip_source_t *src, size_t length, bool nulp, zip_error_t *error); +int _zip_read_local_ef(zip_t *, zip_uint64_t); +zip_string_t *_zip_read_string(zip_buffer_t *buffer, zip_source_t *src, zip_uint16_t lenght, bool nulp, zip_error_t *error); +int _zip_register_source(zip_t *za, zip_source_t *src); + +void _zip_set_open_error(int *zep, const zip_error_t *err, int ze); + +zip_int64_t _zip_source_call(zip_source_t *src, void *data, zip_uint64_t length, zip_source_cmd_t command); +zip_source_t *_zip_source_file_or_p(const char *, FILE *, zip_uint64_t, zip_int64_t, const zip_stat_t *, zip_error_t *error); +void _zip_source_invalidate(zip_source_t *src); +zip_source_t *_zip_source_new(zip_error_t *error); +int _zip_source_set_source_archive(zip_source_t *, zip_t *); +zip_source_t *_zip_source_window_new(zip_source_t *src, zip_uint64_t start, zip_uint64_t length, zip_stat_t *st, zip_error_t *error); +zip_source_t *_zip_source_zip_new(zip_t *, zip_t *, zip_uint64_t, zip_flags_t, zip_uint64_t, zip_uint64_t, const char *); + +int _zip_stat_merge(zip_stat_t *dst, const zip_stat_t *src, zip_error_t *error); +int _zip_string_equal(const zip_string_t *, const zip_string_t *); +void _zip_string_free(zip_string_t *); +zip_uint32_t _zip_string_crc32(const zip_string_t *); +const zip_uint8_t *_zip_string_get(zip_string_t *, zip_uint32_t *, zip_flags_t, zip_error_t *); +zip_uint16_t _zip_string_length(const zip_string_t *); +zip_string_t *_zip_string_new(const zip_uint8_t *, zip_uint16_t, zip_flags_t, zip_error_t *); +int _zip_string_write(zip_t *za, const zip_string_t *string); + +int _zip_changed(const zip_t *, zip_uint64_t *); +const char *_zip_get_name(zip_t *, zip_uint64_t, zip_flags_t, zip_error_t *); +int _zip_local_header_read(zip_t *, int); +void *_zip_memdup(const void *, size_t, zip_error_t *); +zip_int64_t _zip_name_locate(zip_t *, const char *, zip_flags_t, zip_error_t *); +zip_t *_zip_new(zip_error_t *); + +zip_int64_t _zip_file_replace(zip_t *, zip_uint64_t, const char *, zip_source_t *, zip_flags_t); +int _zip_set_name(zip_t *, zip_uint64_t, const char *, zip_flags_t); +void _zip_u2d_time(time_t, zip_uint16_t *, zip_uint16_t *); +int _zip_unchange(zip_t *, zip_uint64_t, int); +void _zip_unchange_data(zip_entry_t *); +int _zip_write(zip_t *za, const void *data, zip_uint64_t length); + +#endif /* zipint.h */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libzip/lib/zipwin32.h Wed Feb 24 21:19:28 2016 +0100 @@ -0,0 +1,82 @@ +#ifndef _HAD_ZIPWIN32_H +#define _HAD_ZIPWIN32_H + +/* + zipwin32.h -- internal declarations for Windows. + Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at <libzip@nih.at> + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/* 0x0501 => Windows XP; needs to be at least this value because of GetFileSizeEx */ +#define _WIN32_WINNT 0x0501 +#include <windows.h> + +/* context for Win32 source */ + +struct _zip_source_win32_file_ops; + +struct _zip_source_win32_read_file { + zip_error_t error; /* last error information */ + zip_int64_t supports; + + /* operations */ + struct _zip_source_win32_file_ops *ops; + + /* reading */ + void *fname; /* name of file to read from - ANSI (char *) or Unicode (wchar_t *) */ + void *h; /* HANDLE for file to read from */ + int closep; /* whether to close f on ZIP_CMD_FREE */ + struct zip_stat st; /* stat information passed in */ + zip_uint64_t start; /* start offset of data to read */ + zip_uint64_t end; /* end offset of data to read, 0 for up to EOF */ + zip_uint64_t current; /* current offset */ + + /* writing */ + void *tmpname; /* name of temp file - ANSI (char *) or Unicode (wchar_t *) */ + void *hout; /* HANDLE for output file */ +}; + +typedef struct _zip_source_win32_read_file _zip_source_win32_read_file_t; + +/* internal operations for Win32 source */ + +struct _zip_source_win32_file_ops { + void *(*op_strdup)(const void *); + void *(*op_open)(_zip_source_win32_read_file_t *); + void *(*op_create_temp)(_zip_source_win32_read_file_t *, void **, zip_uint32_t, PSECURITY_ATTRIBUTES); + int (*op_rename_temp)(_zip_source_win32_read_file_t *); + int (*op_remove)(const void *); +}; + +typedef struct _zip_source_win32_file_ops _zip_source_win32_file_ops_t; + +zip_source_t *_zip_source_win32_handle_or_name(const void *, void *, zip_uint64_t, zip_int64_t, int, const zip_stat_t *, _zip_source_win32_file_ops_t *, zip_error_t *); + +#endif /* zipwin32.h */