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Merge pull request #2771 from assimp/kimkullig_dev 

closes https://github.com/assimp/assimp/issues/2733: update of zlip t…
pull/2775/head
Kim Kulling 2019-11-20 20:53:06 +01:00 committed by GitHub
parent 8ca476954a f78446b14a
commit fea84aaba3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 821 additions and 344 deletions
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2
contrib/zip/.gitignore vendored
View File

@ -1,6 +1,7 @@
/build/
/test/build/
/xcodeproj/
.vscode/
# Object files
*.o
@ -54,3 +55,4 @@ zip.dir/
test/test.exe.vcxproj.filters
test/test.exe.vcxproj
test/test.exe.dir/

83
contrib/zip/CMakeLists.txt
View File

@ -1,10 +1,14 @@
cmake_minimum_required(VERSION 2.8)
project(zip)
enable_language(C)
cmake_minimum_required(VERSION 3.0)
project(zip
LANGUAGES C
VERSION "0.1.15")
set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
option(CMAKE_DISABLE_TESTING "Disable test creation" OFF)
if (MSVC)
# Use secure functions by defaualt and suppress warnings about "deprecated" functions
# Use secure functions by default and suppress warnings about "deprecated" functions
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /D _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES=1")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /D _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES_COUNT=1")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /D _CRT_NONSTDC_NO_WARNINGS=1 /D _CRT_SECURE_NO_WARNINGS=1")
@ -12,28 +16,80 @@ elseif ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR
"${CMAKE_C_COMPILER_ID}" STREQUAL "Clang" OR
"${CMAKE_C_COMPILER_ID}" STREQUAL "AppleClang")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -Wall -Wextra -Werror -pedantic")
if(ENABLE_COVERAGE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 -fprofile-arcs -ftest-coverage")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage")
endif()
endif (MSVC)
# zip
set(SRC src/miniz.h src/zip.h src/zip.c)
add_library(${PROJECT_NAME} ${SRC})
target_include_directories(${PROJECT_NAME} INTERFACE src)
target_include_directories(${PROJECT_NAME} PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>
$<INSTALL_INTERFACE:include>
)
# test
if (NOT CMAKE_DISABLE_TESTING)
enable_testing()
add_subdirectory(test)
find_package(Sanitizers)
add_sanitizers(${PROJECT_NAME} test.exe)
add_sanitizers(${PROJECT_NAME} test_miniz.exe)
add_sanitizers(${PROJECT_NAME} ${test_out} ${test_miniz_out})
endif()
####
# Installation (https://github.com/forexample/package-example) {
set(CONFIG_INSTALL_DIR "lib/cmake/${PROJECT_NAME}")
set(INCLUDE_INSTALL_DIR "include")
set(GENERATED_DIR "${CMAKE_CURRENT_BINARY_DIR}/generated")
# Configuration
set(VERSION_CONFIG "${GENERATED_DIR}/${PROJECT_NAME}ConfigVersion.cmake")
set(PROJECT_CONFIG "${GENERATED_DIR}/${PROJECT_NAME}Config.cmake")
set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
set(NAMESPACE "${PROJECT_NAME}::")
# Include module with fuction 'write_basic_package_version_file'
include(CMakePackageConfigHelpers)
# Note: PROJECT_VERSION is used as a VERSION
write_basic_package_version_file(
"${VERSION_CONFIG}" COMPATIBILITY SameMajorVersion
)
# Use variables:
# * TARGETS_EXPORT_NAME
# * PROJECT_NAME
configure_package_config_file(
"cmake/Config.cmake.in"
"${PROJECT_CONFIG}"
INSTALL_DESTINATION "${CONFIG_INSTALL_DIR}"
)
install(
FILES "${PROJECT_CONFIG}" "${VERSION_CONFIG}"
DESTINATION "${CONFIG_INSTALL_DIR}"
)
install(
EXPORT "${TARGETS_EXPORT_NAME}"
NAMESPACE "${NAMESPACE}"
DESTINATION "${CONFIG_INSTALL_DIR}"
)
# }
install(TARGETS ${PROJECT_NAME}
EXPORT ${TARGETS_EXPORT_NAME}
RUNTIME DESTINATION bin
ARCHIVE DESTINATION lib
LIBRARY DESTINATION lib
COMPONENT library)
install(FILES ${PROJECT_SOURCE_DIR}/src/zip.h DESTINATION include)
INCLUDES DESTINATION ${INCLUDE_INSTALL_DIR}
)
install(FILES ${PROJECT_SOURCE_DIR}/src/zip.h DESTINATION ${INCLUDE_INSTALL_DIR}/zip)
# uninstall target (https://gitlab.kitware.com/cmake/community/wikis/FAQ#can-i-do-make-uninstall-with-cmake)
if(NOT TARGET uninstall)
@ -45,3 +101,12 @@ if(NOT TARGET uninstall)
add_custom_target(uninstall
COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake)
endif()
find_package(Doxygen)
if(DOXYGEN_FOUND)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
add_custom_target(doc
${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating API documentation with Doxygen" VERBATIM)
endif()

12
contrib/zip/README.md
View File

@ -71,7 +71,7 @@ int arg = 2;
zip_extract("foo.zip", "/tmp", on_extract_entry, &arg);
```
* Extract a zip entry into memory.
* Extract a zip entry into memory.
```c
void *buf = NULL;
size_t bufsize;
@ -89,7 +89,7 @@ zip_close(zip);
free(buf);
```
* Extract a zip entry into memory (no internal allocation).
* Extract a zip entry into memory (no internal allocation).
```c
unsigned char *buf;
size_t bufsize;
@ -110,7 +110,7 @@ zip_close(zip);
free(buf);
```
* Extract a zip entry into memory using callback.
* Extract a zip entry into memory using callback.
```c
struct buffer_t {
char *data;
@ -144,7 +144,7 @@ free(buf.data);
```
* Extract a zip entry into a file.
* Extract a zip entry into a file.
```c
struct zip_t *zip = zip_open("foo.zip", 0, 'r');
{
@ -157,7 +157,7 @@ struct zip_t *zip = zip_open("foo.zip", 0, 'r');
zip_close(zip);
```
* List of all zip entries
* List of all zip entries
```c
struct zip_t *zip = zip_open("foo.zip", 0, 'r');
int i, n = zip_total_entries(zip);
@ -174,7 +174,7 @@ for (i = 0; i < n; ++i) {
zip_close(zip);
```
## Bindings
# Bindings
Compile zip library as a dynamic library.
```shell
$ mkdir build

2
contrib/zip/appveyor.yml
View File

@ -1,4 +1,4 @@
version: zip-0.1.9.{build}
version: zip-0.1.15.{build}
build_script:
- cmd: >-
cd c:\projects\zip

459
contrib/zip/src/miniz.h
View File

@ -221,6 +221,7 @@
#ifndef MINIZ_HEADER_INCLUDED
#define MINIZ_HEADER_INCLUDED
#include <stdint.h>
#include <stdlib.h>
// Defines to completely disable specific portions of miniz.c:
@ -284,7 +285,8 @@
/* Set MINIZ_USE_UNALIGNED_LOADS_AND_STORES only if not set */
#if !defined(MINIZ_USE_UNALIGNED_LOADS_AND_STORES)
#if MINIZ_X86_OR_X64_CPU
/* Set MINIZ_USE_UNALIGNED_LOADS_AND_STORES to 1 on CPU's that permit efficient integer loads and stores from unaligned addresses. */
/* Set MINIZ_USE_UNALIGNED_LOADS_AND_STORES to 1 on CPU's that permit efficient
* integer loads and stores from unaligned addresses. */
#define MINIZ_USE_UNALIGNED_LOADS_AND_STORES 1
#define MINIZ_UNALIGNED_USE_MEMCPY
#else
@ -354,6 +356,44 @@ enum {
MZ_FIXED = 4
};
/* miniz error codes. Be sure to update mz_zip_get_error_string() if you add or
* modify this enum. */
typedef enum {
MZ_ZIP_NO_ERROR = 0,
MZ_ZIP_UNDEFINED_ERROR,
MZ_ZIP_TOO_MANY_FILES,
MZ_ZIP_FILE_TOO_LARGE,
MZ_ZIP_UNSUPPORTED_METHOD,
MZ_ZIP_UNSUPPORTED_ENCRYPTION,
MZ_ZIP_UNSUPPORTED_FEATURE,
MZ_ZIP_FAILED_FINDING_CENTRAL_DIR,
MZ_ZIP_NOT_AN_ARCHIVE,
MZ_ZIP_INVALID_HEADER_OR_CORRUPTED,
MZ_ZIP_UNSUPPORTED_MULTIDISK,
MZ_ZIP_DECOMPRESSION_FAILED,
MZ_ZIP_COMPRESSION_FAILED,
MZ_ZIP_UNEXPECTED_DECOMPRESSED_SIZE,
MZ_ZIP_CRC_CHECK_FAILED,
MZ_ZIP_UNSUPPORTED_CDIR_SIZE,
MZ_ZIP_ALLOC_FAILED,
MZ_ZIP_FILE_OPEN_FAILED,
MZ_ZIP_FILE_CREATE_FAILED,
MZ_ZIP_FILE_WRITE_FAILED,
MZ_ZIP_FILE_READ_FAILED,
MZ_ZIP_FILE_CLOSE_FAILED,
MZ_ZIP_FILE_SEEK_FAILED,
MZ_ZIP_FILE_STAT_FAILED,
MZ_ZIP_INVALID_PARAMETER,
MZ_ZIP_INVALID_FILENAME,
MZ_ZIP_BUF_TOO_SMALL,
MZ_ZIP_INTERNAL_ERROR,
MZ_ZIP_FILE_NOT_FOUND,
MZ_ZIP_ARCHIVE_TOO_LARGE,
MZ_ZIP_VALIDATION_FAILED,
MZ_ZIP_WRITE_CALLBACK_FAILED,
MZ_ZIP_TOTAL_ERRORS
} mz_zip_error;
// Method
#define MZ_DEFLATED 8
@ -696,6 +736,7 @@ typedef size_t (*mz_file_read_func)(void *pOpaque, mz_uint64 file_ofs,
void *pBuf, size_t n);
typedef size_t (*mz_file_write_func)(void *pOpaque, mz_uint64 file_ofs,
const void *pBuf, size_t n);
typedef mz_bool (*mz_file_needs_keepalive)(void *pOpaque);
struct mz_zip_internal_state_tag;
typedef struct mz_zip_internal_state_tag mz_zip_internal_state;
@ -707,13 +748,27 @@ typedef enum {
MZ_ZIP_MODE_WRITING_HAS_BEEN_FINALIZED = 3
} mz_zip_mode;
typedef struct mz_zip_archive_tag {
typedef enum {
MZ_ZIP_TYPE_INVALID = 0,
MZ_ZIP_TYPE_USER,
MZ_ZIP_TYPE_MEMORY,
MZ_ZIP_TYPE_HEAP,
MZ_ZIP_TYPE_FILE,
MZ_ZIP_TYPE_CFILE,
MZ_ZIP_TOTAL_TYPES
} mz_zip_type;
typedef struct {
mz_uint64 m_archive_size;
mz_uint64 m_central_directory_file_ofs;
mz_uint m_total_files;
mz_zip_mode m_zip_mode;
mz_uint m_file_offset_alignment;
/* We only support up to UINT32_MAX files in zip64 mode. */
mz_uint32 m_total_files;
mz_zip_mode m_zip_mode;
mz_zip_type m_zip_type;
mz_zip_error m_last_error;
mz_uint64 m_file_offset_alignment;
mz_alloc_func m_pAlloc;
mz_free_func m_pFree;
@ -722,6 +777,7 @@ typedef struct mz_zip_archive_tag {
mz_file_read_func m_pRead;
mz_file_write_func m_pWrite;
mz_file_needs_keepalive m_pNeeds_keepalive;
void *m_pIO_opaque;
mz_zip_internal_state *m_pState;
@ -1263,6 +1319,9 @@ mz_uint tdefl_create_comp_flags_from_zip_params(int level, int window_bits,
int strategy);
#endif // #ifndef MINIZ_NO_ZLIB_APIS
#define MZ_UINT16_MAX (0xFFFFU)
#define MZ_UINT32_MAX (0xFFFFFFFFU)
#ifdef __cplusplus
}
#endif
@ -1311,6 +1370,11 @@ typedef unsigned char mz_validate_uint64[sizeof(mz_uint64) == 8 ? 1 : -1];
((mz_uint32)(((const mz_uint8 *)(p))[3]) << 24U))
#endif
#define MZ_READ_LE64(p) \
(((mz_uint64)MZ_READ_LE32(p)) | \
(((mz_uint64)MZ_READ_LE32((const mz_uint8 *)(p) + sizeof(mz_uint32))) \
<< 32U))
#ifdef _MSC_VER
#define MZ_FORCEINLINE __forceinline
#elif defined(__GNUC__)
@ -4160,6 +4224,17 @@ enum {
MZ_ZIP_LOCAL_DIR_HEADER_SIZE = 30,
MZ_ZIP_CENTRAL_DIR_HEADER_SIZE = 46,
MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIZE = 22,
/* ZIP64 archive identifier and record sizes */
MZ_ZIP64_END_OF_CENTRAL_DIR_HEADER_SIG = 0x06064b50,
MZ_ZIP64_END_OF_CENTRAL_DIR_LOCATOR_SIG = 0x07064b50,
MZ_ZIP64_END_OF_CENTRAL_DIR_HEADER_SIZE = 56,
MZ_ZIP64_END_OF_CENTRAL_DIR_LOCATOR_SIZE = 20,
MZ_ZIP64_EXTENDED_INFORMATION_FIELD_HEADER_ID = 0x0001,
MZ_ZIP_DATA_DESCRIPTOR_ID = 0x08074b50,
MZ_ZIP_DATA_DESCRIPTER_SIZE64 = 24,
MZ_ZIP_DATA_DESCRIPTER_SIZE32 = 16,
// Central directory header record offsets
MZ_ZIP_CDH_SIG_OFS = 0,
MZ_ZIP_CDH_VERSION_MADE_BY_OFS = 4,
@ -4199,6 +4274,31 @@ enum {
MZ_ZIP_ECDH_CDIR_SIZE_OFS = 12,
MZ_ZIP_ECDH_CDIR_OFS_OFS = 16,
MZ_ZIP_ECDH_COMMENT_SIZE_OFS = 20,
/* ZIP64 End of central directory locator offsets */
MZ_ZIP64_ECDL_SIG_OFS = 0, /* 4 bytes */
MZ_ZIP64_ECDL_NUM_DISK_CDIR_OFS = 4, /* 4 bytes */
MZ_ZIP64_ECDL_REL_OFS_TO_ZIP64_ECDR_OFS = 8, /* 8 bytes */
MZ_ZIP64_ECDL_TOTAL_NUMBER_OF_DISKS_OFS = 16, /* 4 bytes */
/* ZIP64 End of central directory header offsets */
MZ_ZIP64_ECDH_SIG_OFS = 0, /* 4 bytes */
MZ_ZIP64_ECDH_SIZE_OF_RECORD_OFS = 4, /* 8 bytes */
MZ_ZIP64_ECDH_VERSION_MADE_BY_OFS = 12, /* 2 bytes */
MZ_ZIP64_ECDH_VERSION_NEEDED_OFS = 14, /* 2 bytes */
MZ_ZIP64_ECDH_NUM_THIS_DISK_OFS = 16, /* 4 bytes */
MZ_ZIP64_ECDH_NUM_DISK_CDIR_OFS = 20, /* 4 bytes */
MZ_ZIP64_ECDH_CDIR_NUM_ENTRIES_ON_DISK_OFS = 24, /* 8 bytes */
MZ_ZIP64_ECDH_CDIR_TOTAL_ENTRIES_OFS = 32, /* 8 bytes */
MZ_ZIP64_ECDH_CDIR_SIZE_OFS = 40, /* 8 bytes */
MZ_ZIP64_ECDH_CDIR_OFS_OFS = 48, /* 8 bytes */
MZ_ZIP_VERSION_MADE_BY_DOS_FILESYSTEM_ID = 0,
MZ_ZIP_DOS_DIR_ATTRIBUTE_BITFLAG = 0x10,
MZ_ZIP_GENERAL_PURPOSE_BIT_FLAG_IS_ENCRYPTED = 1,
MZ_ZIP_GENERAL_PURPOSE_BIT_FLAG_COMPRESSED_PATCH_FLAG = 32,
MZ_ZIP_GENERAL_PURPOSE_BIT_FLAG_USES_STRONG_ENCRYPTION = 64,
MZ_ZIP_GENERAL_PURPOSE_BIT_FLAG_LOCAL_DIR_IS_MASKED = 8192,
MZ_ZIP_GENERAL_PURPOSE_BIT_FLAG_UTF8 = 1 << 11
};
typedef struct {
@ -4211,7 +4311,24 @@ struct mz_zip_internal_state_tag {
mz_zip_array m_central_dir;
mz_zip_array m_central_dir_offsets;
mz_zip_array m_sorted_central_dir_offsets;
/* The flags passed in when the archive is initially opened. */
uint32_t m_init_flags;
/* MZ_TRUE if the archive has a zip64 end of central directory headers, etc.
*/
mz_bool m_zip64;
/* MZ_TRUE if we found zip64 extended info in the central directory (m_zip64
* will also be slammed to true too, even if we didn't find a zip64 end of
* central dir header, etc.) */
mz_bool m_zip64_has_extended_info_fields;
/* These fields are used by the file, FILE, memory, and memory/heap read/write
* helpers. */
MZ_FILE *m_pFile;
mz_uint64 m_file_archive_start_ofs;
void *m_pMem;
size_t m_mem_size;
size_t m_mem_capacity;
@ -4363,6 +4480,13 @@ static mz_bool mz_zip_set_file_times(const char *pFilename, time_t access_time,
#endif /* #ifndef MINIZ_NO_STDIO */
#endif /* #ifndef MINIZ_NO_TIME */
static MZ_FORCEINLINE mz_bool mz_zip_set_error(mz_zip_archive *pZip,
mz_zip_error err_num) {
if (pZip)
pZip->m_last_error = err_num;
return MZ_FALSE;
}
static mz_bool mz_zip_reader_init_internal(mz_zip_archive *pZip,
mz_uint32 flags) {
(void)flags;
@ -4480,127 +4604,346 @@ mz_zip_reader_sort_central_dir_offsets_by_filename(mz_zip_archive *pZip) {
}
}
static mz_bool mz_zip_reader_read_central_dir(mz_zip_archive *pZip,
mz_uint32 flags) {
mz_uint cdir_size, num_this_disk, cdir_disk_index;
mz_uint64 cdir_ofs;
static mz_bool mz_zip_reader_locate_header_sig(mz_zip_archive *pZip,
mz_uint32 record_sig,
mz_uint32 record_size,
mz_int64 *pOfs) {
mz_int64 cur_file_ofs;
const mz_uint8 *p;
mz_uint32 buf_u32[4096 / sizeof(mz_uint32)];
mz_uint8 *pBuf = (mz_uint8 *)buf_u32;
mz_bool sort_central_dir =
((flags & MZ_ZIP_FLAG_DO_NOT_SORT_CENTRAL_DIRECTORY) == 0);
// Basic sanity checks - reject files which are too small, and check the first
// 4 bytes of the file to make sure a local header is there.
if (pZip->m_archive_size < MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIZE)
/* Basic sanity checks - reject files which are too small */
if (pZip->m_archive_size < record_size)
return MZ_FALSE;
// Find the end of central directory record by scanning the file from the end
// towards the beginning.
/* Find the record by scanning the file from the end towards the beginning. */
cur_file_ofs =
MZ_MAX((mz_int64)pZip->m_archive_size - (mz_int64)sizeof(buf_u32), 0);
for (;;) {
int i,
n = (int)MZ_MIN(sizeof(buf_u32), pZip->m_archive_size - cur_file_ofs);
if (pZip->m_pRead(pZip->m_pIO_opaque, cur_file_ofs, pBuf, n) != (mz_uint)n)
return MZ_FALSE;
for (i = n - 4; i >= 0; --i)
if (MZ_READ_LE32(pBuf + i) == MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIG)
break;
for (i = n - 4; i >= 0; --i) {
mz_uint s = MZ_READ_LE32(pBuf + i);
if (s == record_sig) {
if ((pZip->m_archive_size - (cur_file_ofs + i)) >= record_size)
break;
}
}
if (i >= 0) {
cur_file_ofs += i;
break;
}
/* Give up if we've searched the entire file, or we've gone back "too far"
* (~64kb) */
if ((!cur_file_ofs) || ((pZip->m_archive_size - cur_file_ofs) >=
(0xFFFF + MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIZE)))
(MZ_UINT16_MAX + record_size)))
return MZ_FALSE;
cur_file_ofs = MZ_MAX(cur_file_ofs - (sizeof(buf_u32) - 3), 0);
}
// Read and verify the end of central directory record.
*pOfs = cur_file_ofs;
return MZ_TRUE;
}
static mz_bool mz_zip_reader_read_central_dir(mz_zip_archive *pZip,
mz_uint flags) {
mz_uint cdir_size = 0, cdir_entries_on_this_disk = 0, num_this_disk = 0,
cdir_disk_index = 0;
mz_uint64 cdir_ofs = 0;
mz_int64 cur_file_ofs = 0;
const mz_uint8 *p;
mz_uint32 buf_u32[4096 / sizeof(mz_uint32)];
mz_uint8 *pBuf = (mz_uint8 *)buf_u32;
mz_bool sort_central_dir =
((flags & MZ_ZIP_FLAG_DO_NOT_SORT_CENTRAL_DIRECTORY) == 0);
mz_uint32 zip64_end_of_central_dir_locator_u32
[(MZ_ZIP64_END_OF_CENTRAL_DIR_LOCATOR_SIZE + sizeof(mz_uint32) - 1) /
sizeof(mz_uint32)];
mz_uint8 *pZip64_locator = (mz_uint8 *)zip64_end_of_central_dir_locator_u32;
mz_uint32 zip64_end_of_central_dir_header_u32
[(MZ_ZIP64_END_OF_CENTRAL_DIR_HEADER_SIZE + sizeof(mz_uint32) - 1) /
sizeof(mz_uint32)];
mz_uint8 *pZip64_end_of_central_dir =
(mz_uint8 *)zip64_end_of_central_dir_header_u32;
mz_uint64 zip64_end_of_central_dir_ofs = 0;
/* Basic sanity checks - reject files which are too small, and check the first
* 4 bytes of the file to make sure a local header is there. */
if (pZip->m_archive_size < MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIZE)
return mz_zip_set_error(pZip, MZ_ZIP_NOT_AN_ARCHIVE);
if (!mz_zip_reader_locate_header_sig(
pZip, MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIG,
MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIZE, &cur_file_ofs))
return mz_zip_set_error(pZip, MZ_ZIP_FAILED_FINDING_CENTRAL_DIR);
/* Read and verify the end of central directory record. */
if (pZip->m_pRead(pZip->m_pIO_opaque, cur_file_ofs, pBuf,
MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIZE) !=
MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIZE)
return MZ_FALSE;
if ((MZ_READ_LE32(pBuf + MZ_ZIP_ECDH_SIG_OFS) !=
MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIG) ||
((pZip->m_total_files =
MZ_READ_LE16(pBuf + MZ_ZIP_ECDH_CDIR_TOTAL_ENTRIES_OFS)) !=
MZ_READ_LE16(pBuf + MZ_ZIP_ECDH_CDIR_NUM_ENTRIES_ON_DISK_OFS)))
return MZ_FALSE;
return mz_zip_set_error(pZip, MZ_ZIP_FILE_READ_FAILED);
if (MZ_READ_LE32(pBuf + MZ_ZIP_ECDH_SIG_OFS) !=
MZ_ZIP_END_OF_CENTRAL_DIR_HEADER_SIG)
return mz_zip_set_error(pZip, MZ_ZIP_NOT_AN_ARCHIVE);
if (cur_file_ofs >= (MZ_ZIP64_END_OF_CENTRAL_DIR_LOCATOR_SIZE +
MZ_ZIP64_END_OF_CENTRAL_DIR_HEADER_SIZE)) {
if (pZip->m_pRead(pZip->m_pIO_opaque,
cur_file_ofs - MZ_ZIP64_END_OF_CENTRAL_DIR_LOCATOR_SIZE,
pZip64_locator,
MZ_ZIP64_END_OF_CENTRAL_DIR_LOCATOR_SIZE) ==
MZ_ZIP64_END_OF_CENTRAL_DIR_LOCATOR_SIZE) {
if (MZ_READ_LE32(pZip64_locator + MZ_ZIP64_ECDL_SIG_OFS) ==
MZ_ZIP64_END_OF_CENTRAL_DIR_LOCATOR_SIG) {
zip64_end_of_central_dir_ofs = MZ_READ_LE64(
pZip64_locator + MZ_ZIP64_ECDL_REL_OFS_TO_ZIP64_ECDR_OFS);
if (zip64_end_of_central_dir_ofs >
(pZip->m_archive_size - MZ_ZIP64_END_OF_CENTRAL_DIR_HEADER_SIZE))
return mz_zip_set_error(pZip, MZ_ZIP_NOT_AN_ARCHIVE);
if (pZip->m_pRead(pZip->m_pIO_opaque, zip64_end_of_central_dir_ofs,
pZip64_end_of_central_dir,
MZ_ZIP64_END_OF_CENTRAL_DIR_HEADER_SIZE) ==
MZ_ZIP64_END_OF_CENTRAL_DIR_HEADER_SIZE) {
if (MZ_READ_LE32(pZip64_end_of_central_dir + MZ_ZIP64_ECDH_SIG_OFS) ==
MZ_ZIP64_END_OF_CENTRAL_DIR_HEADER_SIG) {
pZip->m_pState->m_zip64 = MZ_TRUE;
}
}
}
}
}
pZip->m_total_files = MZ_READ_LE16(pBuf + MZ_ZIP_ECDH_CDIR_TOTAL_ENTRIES_OFS);
cdir_entries_on_this_disk =
MZ_READ_LE16(pBuf + MZ_ZIP_ECDH_CDIR_NUM_ENTRIES_ON_DISK_OFS);
num_this_disk = MZ_READ_LE16(pBuf + MZ_ZIP_ECDH_NUM_THIS_DISK_OFS);
cdir_disk_index = MZ_READ_LE16(pBuf + MZ_ZIP_ECDH_NUM_DISK_CDIR_OFS);
cdir_size = MZ_READ_LE32(pBuf + MZ_ZIP_ECDH_CDIR_SIZE_OFS);
cdir_ofs = MZ_READ_LE32(pBuf + MZ_ZIP_ECDH_CDIR_OFS_OFS);
if (pZip->m_pState->m_zip64) {
mz_uint32 zip64_total_num_of_disks =
MZ_READ_LE32(pZip64_locator + MZ_ZIP64_ECDL_TOTAL_NUMBER_OF_DISKS_OFS);
mz_uint64 zip64_cdir_total_entries = MZ_READ_LE64(
pZip64_end_of_central_dir + MZ_ZIP64_ECDH_CDIR_TOTAL_ENTRIES_OFS);
mz_uint64 zip64_cdir_total_entries_on_this_disk = MZ_READ_LE64(
pZip64_end_of_central_dir + MZ_ZIP64_ECDH_CDIR_NUM_ENTRIES_ON_DISK_OFS);
mz_uint64 zip64_size_of_end_of_central_dir_record = MZ_READ_LE64(
pZip64_end_of_central_dir + MZ_ZIP64_ECDH_SIZE_OF_RECORD_OFS);
mz_uint64 zip64_size_of_central_directory =
MZ_READ_LE64(pZip64_end_of_central_dir + MZ_ZIP64_ECDH_CDIR_SIZE_OFS);
if (zip64_size_of_end_of_central_dir_record <
(MZ_ZIP64_END_OF_CENTRAL_DIR_HEADER_SIZE - 12))
return mz_zip_set_error(pZip, MZ_ZIP_INVALID_HEADER_OR_CORRUPTED);
if (zip64_total_num_of_disks != 1U)
return mz_zip_set_error(pZip, MZ_ZIP_UNSUPPORTED_MULTIDISK);
/* Check for miniz's practical limits */
if (zip64_cdir_total_entries > MZ_UINT32_MAX)
return mz_zip_set_error(pZip, MZ_ZIP_TOO_MANY_FILES);
pZip->m_total_files = (mz_uint32)zip64_cdir_total_entries;
if (zip64_cdir_total_entries_on_this_disk > MZ_UINT32_MAX)
return mz_zip_set_error(pZip, MZ_ZIP_TOO_MANY_FILES);
cdir_entries_on_this_disk =
(mz_uint32)zip64_cdir_total_entries_on_this_disk;
/* Check for miniz's current practical limits (sorry, this should be enough
* for millions of files) */
if (zip64_size_of_central_directory > MZ_UINT32_MAX)
return mz_zip_set_error(pZip, MZ_ZIP_UNSUPPORTED_CDIR_SIZE);
cdir_size = (mz_uint32)zip64_size_of_central_directory;
num_this_disk = MZ_READ_LE32(pZip64_end_of_central_dir +
MZ_ZIP64_ECDH_NUM_THIS_DISK_OFS);
cdir_disk_index = MZ_READ_LE32(pZip64_end_of_central_dir +
MZ_ZIP64_ECDH_NUM_DISK_CDIR_OFS);
cdir_ofs =
MZ_READ_LE64(pZip64_end_of_central_dir + MZ_ZIP64_ECDH_CDIR_OFS_OFS);
}
if (pZip->m_total_files != cdir_entries_on_this_disk)
return mz_zip_set_error(pZip, MZ_ZIP_UNSUPPORTED_MULTIDISK);
if (((num_this_disk | cdir_disk_index) != 0) &&
((num_this_disk != 1) || (cdir_disk_index != 1)))
return MZ_FALSE;
return mz_zip_set_error(pZip, MZ_ZIP_UNSUPPORTED_MULTIDISK);
if ((cdir_size = MZ_READ_LE32(pBuf + MZ_ZIP_ECDH_CDIR_SIZE_OFS)) <
pZip->m_total_files * MZ_ZIP_CENTRAL_DIR_HEADER_SIZE)
return MZ_FALSE;
if (cdir_size < pZip->m_total_files * MZ_ZIP_CENTRAL_DIR_HEADER_SIZE)
return mz_zip_set_error(pZip, MZ_ZIP_INVALID_HEADER_OR_CORRUPTED);
cdir_ofs = MZ_READ_LE32(pBuf + MZ_ZIP_ECDH_CDIR_OFS_OFS);
if ((cdir_ofs + (mz_uint64)cdir_size) > pZip->m_archive_size)
return MZ_FALSE;
return mz_zip_set_error(pZip, MZ_ZIP_INVALID_HEADER_OR_CORRUPTED);
pZip->m_central_directory_file_ofs = cdir_ofs;
if (pZip->m_total_files) {
mz_uint i, n;
// Read the entire central directory into a heap block, and allocate another
// heap block to hold the unsorted central dir file record offsets, and
// another to hold the sorted indices.
/* Read the entire central directory into a heap block, and allocate another
* heap block to hold the unsorted central dir file record offsets, and
* possibly another to hold the sorted indices. */
if ((!mz_zip_array_resize(pZip, &pZip->m_pState->m_central_dir, cdir_size,
MZ_FALSE)) ||
(!mz_zip_array_resize(pZip, &pZip->m_pState->m_central_dir_offsets,
pZip->m_total_files, MZ_FALSE)))
return MZ_FALSE;
return mz_zip_set_error(pZip, MZ_ZIP_ALLOC_FAILED);
if (sort_central_dir) {
if (!mz_zip_array_resize(pZip,
&pZip->m_pState->m_sorted_central_dir_offsets,
pZip->m_total_files, MZ_FALSE))
return MZ_FALSE;
return mz_zip_set_error(pZip, MZ_ZIP_ALLOC_FAILED);
}
if (pZip->m_pRead(pZip->m_pIO_opaque, cdir_ofs,
pZip->m_pState->m_central_dir.m_p,
cdir_size) != cdir_size)
return MZ_FALSE;
return mz_zip_set_error(pZip, MZ_ZIP_FILE_READ_FAILED);
// Now create an index into the central directory file records, do some
// basic sanity checking on each record, and check for zip64 entries (which
// are not yet supported).
/* Now create an index into the central directory file records, do some
* basic sanity checking on each record */
p = (const mz_uint8 *)pZip->m_pState->m_central_dir.m_p;
for (n = cdir_size, i = 0; i < pZip->m_total_files; ++i) {
mz_uint total_header_size, comp_size, decomp_size, disk_index;
mz_uint total_header_size, disk_index, bit_flags, filename_size,
ext_data_size;
mz_uint64 comp_size, decomp_size, local_header_ofs;
if ((n < MZ_ZIP_CENTRAL_DIR_HEADER_SIZE) ||
(MZ_READ_LE32(p) != MZ_ZIP_CENTRAL_DIR_HEADER_SIG))
return MZ_FALSE;
return mz_zip_set_error(pZip, MZ_ZIP_INVALID_HEADER_OR_CORRUPTED);
MZ_ZIP_ARRAY_ELEMENT(&pZip->m_pState->m_central_dir_offsets, mz_uint32,
i) =
(mz_uint32)(p - (const mz_uint8 *)pZip->m_pState->m_central_dir.m_p);
if (sort_central_dir)
MZ_ZIP_ARRAY_ELEMENT(&pZip->m_pState->m_sorted_central_dir_offsets,
mz_uint32, i) = i;
comp_size = MZ_READ_LE32(p + MZ_ZIP_CDH_COMPRESSED_SIZE_OFS);
decomp_size = MZ_READ_LE32(p + MZ_ZIP_CDH_DECOMPRESSED_SIZE_OFS);
if (((!MZ_READ_LE32(p + MZ_ZIP_CDH_METHOD_OFS)) &&
(decomp_size != comp_size)) ||
(decomp_size && !comp_size) || (decomp_size == 0xFFFFFFFF) ||
(comp_size == 0xFFFFFFFF))
return MZ_FALSE;
local_header_ofs = MZ_READ_LE32(p + MZ_ZIP_CDH_LOCAL_HEADER_OFS);
filename_size = MZ_READ_LE16(p + MZ_ZIP_CDH_FILENAME_LEN_OFS);
ext_data_size = MZ_READ_LE16(p + MZ_ZIP_CDH_EXTRA_LEN_OFS);
if ((!pZip->m_pState->m_zip64_has_extended_info_fields) &&
(ext_data_size) &&
(MZ_MAX(MZ_MAX(comp_size, decomp_size), local_header_ofs) ==
MZ_UINT32_MAX)) {
/* Attempt to find zip64 extended information field in the entry's extra
* data */
mz_uint32 extra_size_remaining = ext_data_size;
if (extra_size_remaining) {
const mz_uint8 *pExtra_data;
void *buf = NULL;
if (MZ_ZIP_CENTRAL_DIR_HEADER_SIZE + filename_size + ext_data_size >
n) {
buf = MZ_MALLOC(ext_data_size);
if (buf == NULL)
return mz_zip_set_error(pZip, MZ_ZIP_ALLOC_FAILED);
if (pZip->m_pRead(pZip->m_pIO_opaque,
cdir_ofs + MZ_ZIP_CENTRAL_DIR_HEADER_SIZE +
filename_size,
buf, ext_data_size) != ext_data_size) {
MZ_FREE(buf);
return mz_zip_set_error(pZip, MZ_ZIP_FILE_READ_FAILED);
}
pExtra_data = (mz_uint8 *)buf;
} else {
pExtra_data = p + MZ_ZIP_CENTRAL_DIR_HEADER_SIZE + filename_size;
}
do {
mz_uint32 field_id;
mz_uint32 field_data_size;
if (extra_size_remaining < (sizeof(mz_uint16) * 2)) {
MZ_FREE(buf);
return mz_zip_set_error(pZip, MZ_ZIP_INVALID_HEADER_OR_CORRUPTED);
}
field_id = MZ_READ_LE16(pExtra_data);
field_data_size = MZ_READ_LE16(pExtra_data + sizeof(mz_uint16));
if ((field_data_size + sizeof(mz_uint16) * 2) >
extra_size_remaining) {
MZ_FREE(buf);
return mz_zip_set_error(pZip, MZ_ZIP_INVALID_HEADER_OR_CORRUPTED);
}
if (field_id == MZ_ZIP64_EXTENDED_INFORMATION_FIELD_HEADER_ID) {
/* Ok, the archive didn't have any zip64 headers but it uses a
* zip64 extended information field so mark it as zip64 anyway
* (this can occur with infozip's zip util when it reads
* compresses files from stdin). */
pZip->m_pState->m_zip64 = MZ_TRUE;
pZip->m_pState->m_zip64_has_extended_info_fields = MZ_TRUE;
break;
}
pExtra_data += sizeof(mz_uint16) * 2 + field_data_size;
extra_size_remaining =
extra_size_remaining - sizeof(mz_uint16) * 2 - field_data_size;
} while (extra_size_remaining);
MZ_FREE(buf);
}
}
/* I've seen archives that aren't marked as zip64 that uses zip64 ext
* data, argh */
if ((comp_size != MZ_UINT32_MAX) && (decomp_size != MZ_UINT32_MAX)) {
if (((!MZ_READ_LE32(p + MZ_ZIP_CDH_METHOD_OFS)) &&
(decomp_size != comp_size)) ||
(decomp_size && !comp_size))
return mz_zip_set_error(pZip, MZ_ZIP_INVALID_HEADER_OR_CORRUPTED);
}
disk_index = MZ_READ_LE16(p + MZ_ZIP_CDH_DISK_START_OFS);
if ((disk_index != num_this_disk) && (disk_index != 1))
return MZ_FALSE;
if (((mz_uint64)MZ_READ_LE32(p + MZ_ZIP_CDH_LOCAL_HEADER_OFS) +
MZ_ZIP_LOCAL_DIR_HEADER_SIZE + comp_size) > pZip->m_archive_size)
return MZ_FALSE;
if ((disk_index == MZ_UINT16_MAX) ||
((disk_index != num_this_disk) && (disk_index != 1)))
return mz_zip_set_error(pZip, MZ_ZIP_UNSUPPORTED_MULTIDISK);
if (comp_size != MZ_UINT32_MAX) {
if (((mz_uint64)MZ_READ_LE32(p + MZ_ZIP_CDH_LOCAL_HEADER_OFS) +
MZ_ZIP_LOCAL_DIR_HEADER_SIZE + comp_size) > pZip->m_archive_size)
return mz_zip_set_error(pZip, MZ_ZIP_INVALID_HEADER_OR_CORRUPTED);
}
bit_flags = MZ_READ_LE16(p + MZ_ZIP_CDH_BIT_FLAG_OFS);
if (bit_flags & MZ_ZIP_GENERAL_PURPOSE_BIT_FLAG_LOCAL_DIR_IS_MASKED)
return mz_zip_set_error(pZip, MZ_ZIP_UNSUPPORTED_ENCRYPTION);
if ((total_header_size = MZ_ZIP_CENTRAL_DIR_HEADER_SIZE +
MZ_READ_LE16(p + MZ_ZIP_CDH_FILENAME_LEN_OFS) +
MZ_READ_LE16(p + MZ_ZIP_CDH_EXTRA_LEN_OFS) +
MZ_READ_LE16(p + MZ_ZIP_CDH_COMMENT_LEN_OFS)) >
n)
return MZ_FALSE;
return mz_zip_set_error(pZip, MZ_ZIP_INVALID_HEADER_OR_CORRUPTED);
n -= total_header_size;
p += total_header_size;
}

62
contrib/zip/src/zip.c
View File

@ -24,7 +24,6 @@
((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) && \
(P)[1] == ':')
#define FILESYSTEM_PREFIX_LEN(P) (HAS_DEVICE(P) ? 2 : 0)
#define ISSLASH(C) ((C) == '/' || (C) == '\\')
#else
@ -48,7 +47,7 @@ int symlink(const char *target, const char *linkpath); // needed on Linux
#endif
#ifndef ISSLASH
#define ISSLASH(C) ((C) == '/')
#define ISSLASH(C) ((C) == '/' || (C) == '\\')
#endif
#define CLEANUP(ptr) \
@ -78,26 +77,34 @@ static const char *base_name(const char *name) {
return base;
}
static int mkpath(const char *path) {
char const *p;
static int mkpath(char *path) {
char *p;
char npath[MAX_PATH + 1];
int len = 0;
int has_device = HAS_DEVICE(path);
memset(npath, 0, MAX_PATH + 1);
#ifdef _WIN32
// only on windows fix the path
npath[0] = path[0];
npath[1] = path[1];
len = 2;
#endif // _WIN32
if (has_device) {
// only on windows
npath[0] = path[0];
npath[1] = path[1];
len = 2;
}
for (p = path + len; *p && len < MAX_PATH; p++) {
if (ISSLASH(*p) && ((!has_device && len > 0) || (has_device && len > 2))) {
if (MKDIR(npath) == -1)
if (errno != EEXIST)
#if defined(_WIN32) || defined(__WIN32__) || defined(_MSC_VER) || \
defined(__MINGW32__)
#else
if ('\\' == *p) {
*p = '/';
}
#endif
if (MKDIR(npath) == -1) {
if (errno != EEXIST) {
return -1;
}
}
}
npath[len++] = *p;
}
@ -279,7 +286,14 @@ int zip_entry_open(struct zip_t *zip, const char *entryname) {
zip->entry.header_offset = zip->archive.m_archive_size;
memset(zip->entry.header, 0, MZ_ZIP_LOCAL_DIR_HEADER_SIZE * sizeof(mz_uint8));
zip->entry.method = 0;
// UNIX or APPLE
#if MZ_PLATFORM == 3 || MZ_PLATFORM == 19
// regular file with rw-r--r-- persmissions
zip->entry.external_attr = (mz_uint32)(0100644) << 16;
#else
zip->entry.external_attr = 0;
#endif
num_alignment_padding_bytes =
mz_zip_writer_compute_padding_needed_for_file_alignment(pzip);
@ -660,7 +674,7 @@ ssize_t zip_entry_noallocread(struct zip_t *zip, void *buf, size_t bufsize) {
}
if (!mz_zip_reader_extract_to_mem_no_alloc(pzip, (mz_uint)zip->entry.index,
buf, bufsize, 0, NULL, 0)) {
buf, bufsize, 0, NULL, 0)) {
return -1;
}
@ -670,10 +684,7 @@ ssize_t zip_entry_noallocread(struct zip_t *zip, void *buf, size_t bufsize) {
int zip_entry_fread(struct zip_t *zip, const char *filename) {
mz_zip_archive *pzip = NULL;
mz_uint idx;
#if defined(_MSC_VER)
#else
mz_uint32 xattr = 0;
#endif
mz_zip_archive_file_stat info;
if (!zip) {
@ -875,12 +886,19 @@ int zip_extract(const char *zipname, const char *dir,
goto out;
}
if ((((info.m_version_made_by >> 8) == 3) || ((info.m_version_made_by >> 8) == 19)) // if zip is produced on Unix or macOS (3 and 19 from section 4.4.2.2 of zip standard)
&& info.m_external_attr & (0x20 << 24)) { // and has sym link attribute (0x80 is file, 0x40 is directory)
if ((((info.m_version_made_by >> 8) == 3) ||
((info.m_version_made_by >> 8) ==
19)) // if zip is produced on Unix or macOS (3 and 19 from
// section 4.4.2.2 of zip standard)
&& info.m_external_attr &
(0x20 << 24)) { // and has sym link attribute (0x80 is file, 0x40
// is directory)
#if defined(_WIN32) || defined(__WIN32__) || defined(_MSC_VER) || \
defined(__MINGW32__)
#else
if (info.m_uncomp_size > MAX_PATH || !mz_zip_reader_extract_to_mem_no_alloc(&zip_archive, i, symlink_to, MAX_PATH, 0, NULL, 0)) {
#else
if (info.m_uncomp_size > MAX_PATH ||
!mz_zip_reader_extract_to_mem_no_alloc(&zip_archive, i, symlink_to,
MAX_PATH, 0, NULL, 0)) {
goto out;
}
symlink_to[info.m_uncomp_size] = '\0';

455
contrib/zip/src/zip.h
View File

@ -20,241 +20,240 @@ extern "C" {
#endif
#if !defined(_SSIZE_T_DEFINED) && !defined(_SSIZE_T_DEFINED_) && \
!defined(_SSIZE_T) && !defined(_SSIZE_T_) && !defined(__ssize_t_defined)
#define _SSIZE_T
!defined(__DEFINED_ssize_t) && !defined(__ssize_t_defined) && \
!defined(_SSIZE_T) && !defined(_SSIZE_T_)
// 64-bit Windows is the only mainstream platform
// where sizeof(long) != sizeof(void*)
#ifdef _WIN64
typedef long long ssize_t; /* byte count or error */
typedef long long ssize_t; /* byte count or error */
#else
typedef long ssize_t; /* byte count or error */
typedef long ssize_t; /* byte count or error */
#endif
#define _SSIZE_T_DEFINED
#define _SSIZE_T_DEFINED_
#define __DEFINED_ssize_t
#define __ssize_t_defined
#define _SSIZE_T
#define _SSIZE_T_
#endif
#ifndef MAX_PATH
#define MAX_PATH 32767 /* # chars in a path name including NULL */
#endif
/**
* @mainpage
*
* Documenation for @ref zip.
*/
/**
* @addtogroup zip
* @{
*/
/**
* Default zip compression level.
*/
#define ZIP_DEFAULT_COMPRESSION_LEVEL 6
/*
This data structure is used throughout the library to represent zip archive
- forward declaration.
*/
/**
* @struct zip_t
*
* This data structure is used throughout the library to represent zip archive -
* forward declaration.
*/
struct zip_t;
/*
Opens zip archive with compression level using the given mode.
Args:
zipname: zip archive file name.
level: compression level (0-9 are the standard zlib-style levels).
mode: file access mode.
'r': opens a file for reading/extracting (the file must exists).
'w': creates an empty file for writing.
'a': appends to an existing archive.
Returns:
The zip archive handler or NULL on error
*/
/**
* Opens zip archive with compression level using the given mode.
*
* @param zipname zip archive file name.
* @param level compression level (0-9 are the standard zlib-style levels).
* @param mode file access mode.
* - 'r': opens a file for reading/extracting (the file must exists).
* - 'w': creates an empty file for writing.
* - 'a': appends to an existing archive.
*
* @return the zip archive handler or NULL on error
*/
extern struct zip_t *zip_open(const char *zipname, int level, char mode);
/*
Closes the zip archive, releases resources - always finalize.
Args:
zip: zip archive handler.
*/
/**
* Closes the zip archive, releases resources - always finalize.
*
* @param zip zip archive handler.
*/
extern void zip_close(struct zip_t *zip);
/*
Opens an entry by name in the zip archive.
For zip archive opened in 'w' or 'a' mode the function will append
a new entry. In readonly mode the function tries to locate the entry
in global dictionary.
Args:
zip: zip archive handler.
entryname: an entry name in local dictionary.
Returns:
The return code - 0 on success, negative number (< 0) on error.
*/
/**
* Opens an entry by name in the zip archive.
*
* For zip archive opened in 'w' or 'a' mode the function will append
* a new entry. In readonly mode the function tries to locate the entry
* in global dictionary.
*
* @param zip zip archive handler.
* @param entryname an entry name in local dictionary.
*
* @return the return code - 0 on success, negative number (< 0) on error.
*/
extern int zip_entry_open(struct zip_t *zip, const char *entryname);
/*
Opens a new entry by index in the zip archive.
This function is only valid if zip archive was opened in 'r' (readonly) mode.
Args:
zip: zip archive handler.
index: index in local dictionary.
Returns:
The return code - 0 on success, negative number (< 0) on error.
*/
/**
* Opens a new entry by index in the zip archive.
*
* This function is only valid if zip archive was opened in 'r' (readonly) mode.
*
* @param zip zip archive handler.
* @param index index in local dictionary.
*
* @return the return code - 0 on success, negative number (< 0) on error.
*/
extern int zip_entry_openbyindex(struct zip_t *zip, int index);
/*
Closes a zip entry, flushes buffer and releases resources.
Args:
zip: zip archive handler.
Returns:
The return code - 0 on success, negative number (< 0) on error.
*/
/**
* Closes a zip entry, flushes buffer and releases resources.
*
* @param zip zip archive handler.
*
* @return the return code - 0 on success, negative number (< 0) on error.
*/
extern int zip_entry_close(struct zip_t *zip);
/*
Returns a local name of the current zip entry.
The main difference between user's entry name and local entry name
is optional relative path.
Following .ZIP File Format Specification - the path stored MUST not contain
a drive or device letter, or a leading slash.
All slashes MUST be forward slashes '/' as opposed to backwards slashes '\'
for compatibility with Amiga and UNIX file systems etc.
Args:
zip: zip archive handler.
Returns:
The pointer to the current zip entry name, or NULL on error.
*/
/**
* Returns a local name of the current zip entry.
*
* The main difference between user's entry name and local entry name
* is optional relative path.
* Following .ZIP File Format Specification - the path stored MUST not contain
* a drive or device letter, or a leading slash.
* All slashes MUST be forward slashes '/' as opposed to backwards slashes '\'
* for compatibility with Amiga and UNIX file systems etc.
*
* @param zip: zip archive handler.
*
* @return the pointer to the current zip entry name, or NULL on error.
*/
extern const char *zip_entry_name(struct zip_t *zip);
/*
Returns an index of the current zip entry.
Args:
zip: zip archive handler.
Returns:
The index on success, negative number (< 0) on error.
*/
/**
* Returns an index of the current zip entry.
*
* @param zip zip archive handler.
*
* @return the index on success, negative number (< 0) on error.
*/
extern int zip_entry_index(struct zip_t *zip);
/*
Determines if the current zip entry is a directory entry.
Args:
zip: zip archive handler.
Returns:
The return code - 1 (true), 0 (false), negative number (< 0) on error.
*/
/**
* Determines if the current zip entry is a directory entry.
*
* @param zip zip archive handler.
*
* @return the return code - 1 (true), 0 (false), negative number (< 0) on
* error.
*/
extern int zip_entry_isdir(struct zip_t *zip);
/*
Returns an uncompressed size of the current zip entry.
Args:
zip: zip archive handler.
Returns:
The uncompressed size in bytes.
*/
/**
* Returns an uncompressed size of the current zip entry.
*
* @param zip zip archive handler.
*
* @return the uncompressed size in bytes.
*/
extern unsigned long long zip_entry_size(struct zip_t *zip);
/*
Returns CRC-32 checksum of the current zip entry.
Args:
zip: zip archive handler.
Returns:
The CRC-32 checksum.
*/
/**
* Returns CRC-32 checksum of the current zip entry.
*
* @param zip zip archive handler.
*
* @return the CRC-32 checksum.
*/
extern unsigned int zip_entry_crc32(struct zip_t *zip);
/*
Compresses an input buffer for the current zip entry.
Args:
zip: zip archive handler.
buf: input buffer.
bufsize: input buffer size (in bytes).
Returns:
The return code - 0 on success, negative number (< 0) on error.
*/
/**
* Compresses an input buffer for the current zip entry.
*
* @param zip zip archive handler.
* @param buf input buffer.
* @param bufsize input buffer size (in bytes).
*
* @return the return code - 0 on success, negative number (< 0) on error.
*/
extern int zip_entry_write(struct zip_t *zip, const void *buf, size_t bufsize);
/*
Compresses a file for the current zip entry.
Args:
zip: zip archive handler.
filename: input file.
Returns:
The return code - 0 on success, negative number (< 0) on error.
*/
/**
* Compresses a file for the current zip entry.
*
* @param zip zip archive handler.
* @param filename input file.
*
* @return the return code - 0 on success, negative number (< 0) on error.
*/
extern int zip_entry_fwrite(struct zip_t *zip, const char *filename);
/*
Extracts the current zip entry into output buffer.
The function allocates sufficient memory for a output buffer.
Args:
zip: zip archive handler.
buf: output buffer.
bufsize: output buffer size (in bytes).
Note:
- remember to release memory allocated for a output buffer.
- for large entries, please take a look at zip_entry_extract function.
Returns:
The return code - the number of bytes actually read on success.
Otherwise a -1 on error.
*/
/**
* Extracts the current zip entry into output buffer.
*
* The function allocates sufficient memory for a output buffer.
*
* @param zip zip archive handler.
* @param buf output buffer.
* @param bufsize output buffer size (in bytes).
*
* @note remember to release memory allocated for a output buffer.
* for large entries, please take a look at zip_entry_extract function.
*
* @return the return code - the number of bytes actually read on success.
* Otherwise a -1 on error.
*/
extern ssize_t zip_entry_read(struct zip_t *zip, void **buf, size_t *bufsize);
/*
Extracts the current zip entry into a memory buffer using no memory
allocation.
/**
* Extracts the current zip entry into a memory buffer using no memory
* allocation.
*
* @param zip zip archive handler.
* @param buf preallocated output buffer.
* @param bufsize output buffer size (in bytes).
*
* @note ensure supplied output buffer is large enough.
* zip_entry_size function (returns uncompressed size for the current
* entry) can be handy to estimate how big buffer is needed. for large
* entries, please take a look at zip_entry_extract function.
*
* @return the return code - the number of bytes actually read on success.
* Otherwise a -1 on error (e.g. bufsize is not large enough).
*/
extern ssize_t zip_entry_noallocread(struct zip_t *zip, void *buf,
size_t bufsize);
Args:
zip: zip archive handler.
buf: preallocated output buffer.
bufsize: output buffer size (in bytes).
Note:
- ensure supplied output buffer is large enough.
- zip_entry_size function (returns uncompressed size for the current entry)
can be handy to estimate how big buffer is needed.
- for large entries, please take a look at zip_entry_extract function.
Returns:
The return code - the number of bytes actually read on success.
Otherwise a -1 on error (e.g. bufsize is not large enough).
*/
extern ssize_t zip_entry_noallocread(struct zip_t *zip, void *buf, size_t bufsize);
/*
Extracts the current zip entry into output file.
Args:
zip: zip archive handler.
filename: output file.
Returns:
The return code - 0 on success, negative number (< 0) on error.
*/
/**
* Extracts the current zip entry into output file.
*
* @param zip zip archive handler.
* @param filename output file.
*
* @return the return code - 0 on success, negative number (< 0) on error.
*/
extern int zip_entry_fread(struct zip_t *zip, const char *filename);
/*
Extracts the current zip entry using a callback function (on_extract).
Args:
zip: zip archive handler.
on_extract: callback function.
arg: opaque pointer (optional argument,
which you can pass to the on_extract callback)
Returns:
The return code - 0 on success, negative number (< 0) on error.
/**
* Extracts the current zip entry using a callback function (on_extract).
*
* @param zip zip archive handler.
* @param on_extract callback function.
* @param arg opaque pointer (optional argument, which you can pass to the
* on_extract callback)
*
* @return the return code - 0 on success, negative number (< 0) on error.
*/
extern int
zip_entry_extract(struct zip_t *zip,
@ -262,53 +261,49 @@ zip_entry_extract(struct zip_t *zip,
const void *data, size_t size),
void *arg);
/*
Returns the number of all entries (files and directories) in the zip archive.
Args:
zip: zip archive handler.
Returns:
The return code - the number of entries on success,
negative number (< 0) on error.
*/
/**
* Returns the number of all entries (files and directories) in the zip archive.
*
* @param zip zip archive handler.
*
* @return the return code - the number of entries on success, negative number
* (< 0) on error.
*/
extern int zip_total_entries(struct zip_t *zip);
/*
Creates a new archive and puts files into a single zip archive.
Args:
zipname: zip archive file.
filenames: input files.
len: number of input files.
Returns:
The return code - 0 on success, negative number (< 0) on error.
*/
/**
* Creates a new archive and puts files into a single zip archive.
*
* @param zipname zip archive file.
* @param filenames input files.
* @param len: number of input files.
*
* @return the return code - 0 on success, negative number (< 0) on error.
*/
extern int zip_create(const char *zipname, const char *filenames[], size_t len);
/*
Extracts a zip archive file into directory.
If on_extract_entry is not NULL, the callback will be called after
successfully extracted each zip entry.
Returning a negative value from the callback will cause abort and return an
error. The last argument (void *arg) is optional, which you can use to pass
data to the on_extract_entry callback.
Args:
zipname: zip archive file.
dir: output directory.
on_extract_entry: on extract callback.
arg: opaque pointer.
Returns:
The return code - 0 on success, negative number (< 0) on error.
*/
/**
* Extracts a zip archive file into directory.
*
* If on_extract_entry is not NULL, the callback will be called after
* successfully extracted each zip entry.
* Returning a negative value from the callback will cause abort and return an
* error. The last argument (void *arg) is optional, which you can use to pass
* data to the on_extract_entry callback.
*
* @param zipname zip archive file.
* @param dir output directory.
* @param on_extract_entry on extract callback.
* @param arg opaque pointer.
*
* @return the return code - 0 on success, negative number (< 0) on error.
*/
extern int zip_extract(const char *zipname, const char *dir,
int (*on_extract_entry)(const char *filename, void *arg),
void *arg);
/** @} */
#ifdef __cplusplus
}
#endif

27
contrib/zip/test/CMakeLists.txt
View File

@ -1,19 +1,16 @@
cmake_minimum_required(VERSION 2.8)
if ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_C_COMPILER_ID}" STREQUAL "AppleClang")
if(ENABLE_COVERAGE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g ")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ftest-coverage")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage")
endif()
endif ()
# test
include_directories(../src)
add_executable(test.exe test.c ../src/zip.c)
add_executable(test_miniz.exe test_miniz.c)
set(test_out test.out)
set(test_miniz_out test_miniz.out)
add_test(NAME test COMMAND test.exe)
add_test(NAME test_miniz COMMAND test_miniz.exe)
add_executable(${test_out} test.c)
target_link_libraries(${test_out} zip)
add_executable(${test_miniz_out} test_miniz.c)
target_link_libraries(${test_miniz_out} zip)
add_test(NAME ${test_out} COMMAND ${test_out})
add_test(NAME ${test_miniz_out} COMMAND ${test_miniz_out})
set(test_out ${test_out} PARENT_SCOPE)
set(test_miniz_out ${test_miniz_out} PARENT_SCOPE)

38
contrib/zip/test/test.c
View File

@ -29,6 +29,8 @@
#define XFILE "7.txt\0"
#define XMODE 0100777
#define UNIXMODE 0100644
#define UNUSED(x) (void)x
static int total_entries = 0;
@ -102,7 +104,8 @@ static void test_read(void) {
assert(0 == zip_entry_close(zip));
free(buf);
buf = NULL;
bufsize = 0;
assert(0 == zip_entry_open(zip, "test/test-2.txt"));
assert(strlen(TESTDATA2) == zip_entry_size(zip));
assert(CRC32DATA2 == zip_entry_crc32(zip));
@ -131,7 +134,8 @@ static void test_read(void) {
assert(0 == zip_entry_close(zip));
free(buf);
buf = NULL;
bufsize = 0;
buftmp = strlen(TESTDATA1);
buf = calloc(buftmp, sizeof(char));
assert(0 == zip_entry_open(zip, "test/test-1.txt"));
@ -433,6 +437,35 @@ static void test_mtime(void) {
remove(ZIPNAME);
}
static void test_unix_permissions(void) {
#if defined(_WIN64) || defined(_WIN32) || defined(__WIN32__)
#else
// UNIX or APPLE
struct MZ_FILE_STAT_STRUCT file_stats;
remove(ZIPNAME);
struct zip_t *zip = zip_open(ZIPNAME, ZIP_DEFAULT_COMPRESSION_LEVEL, 'w');
assert(zip != NULL);
assert(0 == zip_entry_open(zip, RFILE));
assert(0 == zip_entry_write(zip, TESTDATA1, strlen(TESTDATA1)));
assert(0 == zip_entry_close(zip));
zip_close(zip);
remove(RFILE);
assert(0 == zip_extract(ZIPNAME, ".", NULL, NULL));
assert(0 == MZ_FILE_STAT(RFILE, &file_stats));
assert(UNIXMODE == file_stats.st_mode);
remove(RFILE);
remove(ZIPNAME);
#endif
}
int main(int argc, char *argv[]) {
UNUSED(argc);
UNUSED(argv);
@ -453,6 +486,7 @@ int main(int argc, char *argv[]) {
test_write_permissions();
test_exe_permissions();
test_mtime();
test_unix_permissions();
remove(ZIPNAME);
return 0;

25
contrib/zip/test/test_miniz.c
View File

@ -23,16 +23,39 @@ int main(int argc, char *argv[]) {
uint step = 0;
int cmp_status;
uLong src_len = (uLong)strlen(s_pStr);
uLong cmp_len = compressBound(src_len);
uLong uncomp_len = src_len;
uLong cmp_len;
uint8 *pCmp, *pUncomp;
size_t sz;
uint total_succeeded = 0;
(void)argc, (void)argv;
printf("miniz.c version: %s\n", MZ_VERSION);
do {
pCmp = (uint8 *)tdefl_compress_mem_to_heap(s_pStr, src_len, &cmp_len, 0);
if (!pCmp) {
printf("tdefl_compress_mem_to_heap failed\n");
return EXIT_FAILURE;
}
if (src_len <= cmp_len) {
printf("tdefl_compress_mem_to_heap failed: from %u to %u bytes\n",
(mz_uint32)uncomp_len, (mz_uint32)cmp_len);
free(pCmp);
return EXIT_FAILURE;
}
sz = tdefl_compress_mem_to_mem(pCmp, cmp_len, s_pStr, src_len, 0);
if (sz != cmp_len) {
printf("tdefl_compress_mem_to_mem failed: expected %u, got %u\n",
(mz_uint32)cmp_len, (mz_uint32)sz);
free(pCmp);
return EXIT_FAILURE;
}
// Allocate buffers to hold compressed and uncompressed data.
free(pCmp);
cmp_len = compressBound(src_len);
pCmp = (mz_uint8 *)malloc((size_t)cmp_len);
pUncomp = (mz_uint8 *)malloc((size_t)src_len);
if ((!pCmp) || (!pUncomp)) {