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Merge pull request #3556 from JLouis-B/update-unzip 

Update unzip contrib
pull/3558/head^2
Kim Kulling 2021-01-02 13:13:20 +01:00 committed by GitHub
parent 05da2123e1 3298082a96
commit 43ea4d679b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 2528 additions and 1848 deletions
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1
code/CMakeLists.txt
View File

@ -920,6 +920,7 @@ IF(ASSIMP_HUNTER_ENABLED)
find_package(minizip CONFIG REQUIRED)
ELSE()
SET( unzip_SRCS
../contrib/unzip/crypt.c
../contrib/unzip/crypt.h
../contrib/unzip/ioapi.c
../contrib/unzip/ioapi.h

31
code/Common/ZipArchiveIOSystem.cpp
View File

@ -146,7 +146,6 @@ int IOSystem2Unzip::testerror(voidpf /*opaque*/, voidpf /*stream*/) {
zlib_filefunc_def IOSystem2Unzip::get(IOSystem *pIOHandler) {
zlib_filefunc_def mapping;
#if defined (ASSIMP_USE_HUNTER) || defined (__MINGW32__) // GH#3144
mapping.zopen_file = (open_file_func)open;
mapping.zread_file = (read_file_func)read;
mapping.zwrite_file = (write_file_func)write;
@ -154,15 +153,7 @@ zlib_filefunc_def IOSystem2Unzip::get(IOSystem *pIOHandler) {
mapping.zseek_file = (seek_file_func)seek;
mapping.zclose_file = (close_file_func)close;
mapping.zerror_file = (error_file_func)testerror;
#else
mapping.zopen_file = open;
mapping.zread_file = read;
mapping.zwrite_file = write;
mapping.ztell_file = tell;
mapping.zseek_file = seek;
mapping.zclose_file = close;
mapping.zerror_file = testerror;
#endif
mapping.opaque = reinterpret_cast<voidpf>(pIOHandler);
return mapping;
@ -226,10 +217,28 @@ ZipFile *ZipFileInfo::Extract(unzFile zip_handle) const {
ZipFile *zip_file = new ZipFile(m_Size);
if (unzReadCurrentFile(zip_handle, zip_file->m_Buffer.get(), static_cast<unsigned int>(m_Size)) != static_cast<int>(m_Size)) {
// Unzip has a limit of UINT16_MAX bytes buffer
uint16_t unzipBufferSize = zip_file->m_Size <= UINT16_MAX ? static_cast<uint16_t>(zip_file->m_Size) : UINT16_MAX;
std::unique_ptr<uint8_t[]> unzipBuffer = std::unique_ptr<uint8_t[]>(new uint8_t[unzipBufferSize]);
size_t readCount = 0;
while (readCount < zip_file->m_Size)
{
size_t bufferSize = zip_file->m_Size - readCount;
if (bufferSize > UINT16_MAX) {
bufferSize = UINT16_MAX;
}
int ret = unzReadCurrentFile(zip_handle, unzipBuffer.get(), static_cast<unsigned int>(bufferSize));
if (ret != static_cast<int>(bufferSize))
{
// Failed, release the memory
delete zip_file;
zip_file = nullptr;
break;
}
std::memcpy(zip_file->m_Buffer.get() + readCount, unzipBuffer.get(), ret);
readCount += ret;
}
ai_assert(unzCloseCurrentFile(zip_handle) == UNZ_OK);

167
contrib/unzip/crypt.c 100644
View File

@ -0,0 +1,167 @@
/* crypt.c -- base code for traditional PKWARE encryption
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2005 Gilles Vollant
Modifications for Info-ZIP crypting
Copyright (C) 2003 Terry Thorsen
This code is a modified version of crypting code in Info-ZIP distribution
Copyright (C) 1990-2000 Info-ZIP. All rights reserved.
This program is distributed under the terms of the same license as zlib.
See the accompanying LICENSE file for the full text of the license.
This encryption code is a direct transcription of the algorithm from
Roger Schlafly, described by Phil Katz in the file appnote.txt. This
file (appnote.txt) is distributed with the PKZIP program (even in the
version without encryption capabilities).
If you don't need crypting in your application, just define symbols
NOCRYPT and NOUNCRYPT.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <time.h>
#ifdef _WIN32
# include <windows.h>
# include <wincrypt.h>
#else
# include <sys/stat.h>
# include <fcntl.h>
# include <unistd.h>
#endif
#include "zlib.h"
#include "crypt.h"
#ifdef _WIN32
# pragma warning(push)
# pragma warning(disable : 4244)
#endif // _WIN32
/***************************************************************************/
#define CRC32(c, b) ((*(pcrc_32_tab+(((uint32_t)(c) ^ (b)) & 0xff))) ^ ((c) >> 8))
#ifndef ZCR_SEED2
# define ZCR_SEED2 3141592654UL /* use PI as default pattern */
#endif
/***************************************************************************/
uint8_t decrypt_byte(uint32_t *pkeys)
{
unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an
* unpredictable manner on 16-bit systems; not a problem
* with any known compiler so far, though */
temp = ((uint32_t)(*(pkeys+2)) & 0xffff) | 2;
return (uint8_t)(((temp * (temp ^ 1)) >> 8) & 0xff);
}
uint8_t update_keys(uint32_t *pkeys, const z_crc_t *pcrc_32_tab, int32_t c)
{
(*(pkeys+0)) = (uint32_t)CRC32((*(pkeys+0)), c);
(*(pkeys+1)) += (*(pkeys+0)) & 0xff;
(*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1;
{
register int32_t keyshift = (int32_t)((*(pkeys + 1)) >> 24);
(*(pkeys+2)) = (uint32_t)CRC32((*(pkeys+2)), keyshift);
}
return c;
}
void init_keys(const char *passwd, uint32_t *pkeys, const z_crc_t *pcrc_32_tab)
{
*(pkeys+0) = 305419896L;
*(pkeys+1) = 591751049L;
*(pkeys+2) = 878082192L;
while (*passwd != 0)
{
update_keys(pkeys, pcrc_32_tab, *passwd);
passwd += 1;
}
}
/***************************************************************************/
int cryptrand(unsigned char *buf, unsigned int len)
{
static unsigned calls = 0;
int rlen = 0;
#ifdef _WIN32
HCRYPTPROV provider;
unsigned __int64 pentium_tsc[1];
int result = 0;
if (CryptAcquireContext(&provider, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT | CRYPT_SILENT))
{
result = CryptGenRandom(provider, len, buf);
CryptReleaseContext(provider, 0);
if (result)
return len;
}
for (rlen = 0; rlen < (int)len; ++rlen)
{
if (rlen % 8 == 0)
QueryPerformanceCounter((LARGE_INTEGER *)pentium_tsc);
buf[rlen] = ((unsigned char*)pentium_tsc)[rlen % 8];
}
#else
int frand = open("/dev/urandom", O_RDONLY);
if (frand != -1)
{
rlen = (int)read(frand, buf, len);
close(frand);
}
#endif
if (rlen < (int)len)
{
/* Ensure different random header each time */
if (++calls == 1)
srand((unsigned)(time(NULL) ^ ZCR_SEED2));
while (rlen < (int)len)
buf[rlen++] = (rand() >> 7) & 0xff;
}
return rlen;
}
int crypthead(const char *passwd, uint8_t *buf, int buf_size, uint32_t *pkeys,
const z_crc_t *pcrc_32_tab, uint8_t verify1, uint8_t verify2)
{
uint8_t n = 0; /* index in random header */
uint8_t header[RAND_HEAD_LEN-2]; /* random header */
uint16_t t = 0; /* temporary */
if (buf_size < RAND_HEAD_LEN)
return 0;
init_keys(passwd, pkeys, pcrc_32_tab);
/* First generate RAND_HEAD_LEN-2 random bytes. */
cryptrand(header, RAND_HEAD_LEN-2);
/* Encrypt random header (last two bytes is high word of crc) */
init_keys(passwd, pkeys, pcrc_32_tab);
for (n = 0; n < RAND_HEAD_LEN-2; n++)
buf[n] = (uint8_t)zencode(pkeys, pcrc_32_tab, header[n], t);
buf[n++] = (uint8_t)zencode(pkeys, pcrc_32_tab, verify1, t);
buf[n++] = (uint8_t)zencode(pkeys, pcrc_32_tab, verify2, t);
return n;
}
#ifdef _WIN32
# pragma warning(pop)
#endif // _WIN32
/***************************************************************************/

158
contrib/unzip/crypt.h
View File

@ -1,133 +1,61 @@
/* crypt.h -- base code for crypt/uncrypt ZIPfile
/* crypt.h -- base code for traditional PKWARE encryption
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2005 Gilles Vollant
Modifications for Info-ZIP crypting
Copyright (C) 2003 Terry Thorsen
This code is a modified version of crypting code in Infozip distribution
This code is a modified version of crypting code in Info-ZIP distribution
The encryption/decryption parts of this source code (as opposed to the
non-echoing password parts) were originally written in Europe. The
whole source package can be freely distributed, including from the USA.
(Prior to January 2000, re-export from the US was a violation of US law.)
Copyright (C) 1990-2000 Info-ZIP. All rights reserved.
This encryption code is a direct transcription of the algorithm from
Roger Schlafly, described by Phil Katz in the file appnote.txt. This
file (appnote.txt) is distributed with the PKZIP program (even in the
version without encryption capabilities).
If you don't need crypting in your application, just define symbols
NOCRYPT and NOUNCRYPT.
This code support the "Traditional PKWARE Encryption".
The new AES encryption added on Zip format by Winzip (see the page
http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong
Encryption is not supported.
This program is distributed under the terms of the same license as zlib.
See the accompanying LICENSE file for the full text of the license.
*/
#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8))
#ifndef _MINICRYPT_H
#define _MINICRYPT_H
/***********************************************************************
* Return the next byte in the pseudo-random sequence
*/
static int decrypt_byte(unsigned long* pkeys, const z_crc_t* t)
{
unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an
* unpredictable manner on 16-bit systems; not a problem
* with any known compiler so far, though */
#if ZLIB_VERNUM < 0x1270
typedef unsigned long z_crc_t;
#endif
temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2;
(void)t;
return (int)(((temp * (temp ^ 1)) >> 8) & 0xff);
}
/***********************************************************************
* Update the encryption keys with the next byte of plain text
*/
static int update_keys(unsigned long* pkeys,const z_crc_t* pcrc_32_tab,int c)
{
(*(pkeys+0)) = CRC32((*(pkeys+0)), c);
(*(pkeys+1)) += (*(pkeys+0)) & 0xff;
(*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1;
{
register int keyshift = (int)((*(pkeys+1)) >> 24);
(*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift);
}
return c;
}
/***********************************************************************
* Initialize the encryption keys and the random header according to
* the given password.
*/
static void init_keys(const char* passwd,unsigned long* pkeys,const z_crc_t* pcrc_32_tab)
{
*(pkeys+0) = 305419896L;
*(pkeys+1) = 591751049L;
*(pkeys+2) = 878082192L;
while (*passwd != '\0') {
update_keys(pkeys,pcrc_32_tab,(int)*passwd);
passwd++;
}
}
#define zdecode(pkeys,pcrc_32_tab,c) \
(update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab)))
#define zencode(pkeys,pcrc_32_tab,c,t) \
(t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c))
#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED
#ifdef __cplusplus
extern "C" {
#endif
#define RAND_HEAD_LEN 12
/* "last resort" source for second part of crypt seed pattern */
# ifndef ZCR_SEED2
# define ZCR_SEED2 3141592654UL /* use PI as default pattern */
# endif
static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting)
const char *passwd; /* password string */
unsigned char *buf; /* where to write header */
int bufSize;
unsigned long* pkeys;
const unsigned long* pcrc_32_tab;
unsigned long crcForCrypting;
{
int n; /* index in random header */
int t; /* temporary */
int c; /* random byte */
unsigned char header[RAND_HEAD_LEN-2]; /* random header */
static unsigned calls = 0; /* ensure different random header each time */
/***************************************************************************/
if (bufSize<RAND_HEAD_LEN)
return 0;
#define zdecode(pkeys,pcrc_32_tab,c) \
(update_keys(pkeys,pcrc_32_tab, c ^= decrypt_byte(pkeys)))
/* First generate RAND_HEAD_LEN-2 random bytes. We encrypt the
* output of rand() to get less predictability, since rand() is
* often poorly implemented.
*/
if (++calls == 1)
{
srand((unsigned)(time(NULL) ^ ZCR_SEED2));
}
init_keys(passwd, pkeys, pcrc_32_tab);
for (n = 0; n < RAND_HEAD_LEN-2; n++)
{
c = (rand() >> 7) & 0xff;
header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t);
}
/* Encrypt random header (last two bytes is high word of crc) */
init_keys(passwd, pkeys, pcrc_32_tab);
for (n = 0; n < RAND_HEAD_LEN-2; n++)
{
buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t);
}
buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t);
buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t);
return n;
#define zencode(pkeys,pcrc_32_tab,c,t) \
(t = decrypt_byte(pkeys), update_keys(pkeys,pcrc_32_tab,c), t^(c))
/***************************************************************************/
/* Return the next byte in the pseudo-random sequence */
uint8_t decrypt_byte(uint32_t *pkeys);
/* Update the encryption keys with the next byte of plain text */
uint8_t update_keys(uint32_t *pkeys, const z_crc_t *pcrc_32_tab, int32_t c);
/* Initialize the encryption keys and the random header according to the given password. */
void init_keys(const char *passwd, uint32_t *pkeys, const z_crc_t *pcrc_32_tab);
/* Generate cryptographically secure random numbers */
int cryptrand(unsigned char *buf, unsigned int len);
/* Create encryption header */
int crypthead(const char *passwd, uint8_t *buf, int buf_size, uint32_t *pkeys,
const z_crc_t *pcrc_32_tab, uint8_t verify1, uint8_t verify2);
/***************************************************************************/
#ifdef __cplusplus
}
#endif
#endif

380
contrib/unzip/ioapi.c
View File

@ -1,19 +1,28 @@
/* ioapi.c -- IO base function header for compress/uncompress .zip
files using zlib + zip or unzip API
part of the MiniZip project
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2010 Gilles Vollant
http://www.winimage.com/zLibDll/minizip.html
Modifications for Zip64 support
Copyright (C) 2009-2010 Mathias Svensson
http://result42.com
Copyright (C) 1998-2005 Gilles Vollant
This program is distributed under the terms of the same license as zlib.
See the accompanying LICENSE file for the full text of the license.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "zlib.h"
#if defined unix || defined __APPLE__
#include <sys/types.h>
#include <unistd.h>
#endif
#include "ioapi.h"
#ifdef _WIN32
# define snprintf _snprintf
# pragma warning(push)
# pragma warning(disable : 4131 4100)
# ifdef __clang__
@ -22,158 +31,310 @@
# endif
#endif // _WIN32
/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
#ifndef SEEK_CUR
#define SEEK_CUR 1
#endif
voidpf call_zopen64(const zlib_filefunc64_32_def *pfilefunc, const void *filename, int mode)
{
if (pfilefunc->zfile_func64.zopen64_file != NULL)
return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque, filename, mode);
return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque, (const char*)filename, mode);
}
#ifndef SEEK_END
#define SEEK_END 2
#endif
voidpf call_zopendisk64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, uint32_t number_disk, int mode)
{
if (pfilefunc->zfile_func64.zopendisk64_file != NULL)
return (*(pfilefunc->zfile_func64.zopendisk64_file)) (pfilefunc->zfile_func64.opaque, filestream, number_disk, mode);
return (*(pfilefunc->zopendisk32_file))(pfilefunc->zfile_func64.opaque, filestream, number_disk, mode);
}
#ifndef SEEK_SET
#define SEEK_SET 0
#endif
long call_zseek64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, uint64_t offset, int origin)
{
uint32_t offset_truncated = 0;
if (pfilefunc->zfile_func64.zseek64_file != NULL)
return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin);
offset_truncated = (uint32_t)offset;
if (offset_truncated != offset)
return -1;
return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream, offset_truncated, origin);
}
voidpf ZCALLBACK fopen_file_func OF((
voidpf opaque,
const char* filename,
int mode));
uint64_t call_ztell64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream)
{
uint64_t position;
if (pfilefunc->zfile_func64.zseek64_file != NULL)
return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque, filestream);
position = (*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque, filestream);
if ((position) == UINT32_MAX)
return (uint64_t)-1;
return position;
}
uLong ZCALLBACK fread_file_func OF((
voidpf opaque,
voidpf stream,
void* buf,
uLong size));
void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def *p_filefunc64_32, const zlib_filefunc_def *p_filefunc32)
{
p_filefunc64_32->zfile_func64.zopen64_file = NULL;
p_filefunc64_32->zfile_func64.zopendisk64_file = NULL;
p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file;
p_filefunc64_32->zopendisk32_file = p_filefunc32->zopendisk_file;
p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file;
p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file;
p_filefunc64_32->zfile_func64.ztell64_file = NULL;
p_filefunc64_32->zfile_func64.zseek64_file = NULL;
p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file;
p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file;
p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque;
p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file;
p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file;
}
uLong ZCALLBACK fwrite_file_func OF((
voidpf opaque,
voidpf stream,
const void* buf,
uLong size));
static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char *filename, int mode);
static uint32_t ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void* buf, uint32_t size);
static uint32_t ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void *buf, uint32_t size);
static uint64_t ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream);
static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, uint64_t offset, int origin);
static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream);
static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream);
long ZCALLBACK ftell_file_func OF((
voidpf opaque,
voidpf stream));
typedef struct
{
FILE *file;
int filenameLength;
void *filename;
} FILE_IOPOSIX;
long ZCALLBACK fseek_file_func OF((
voidpf opaque,
voidpf stream,
uLong offset,
int origin));
static voidpf file_build_ioposix(FILE *file, const char *filename)
{
FILE_IOPOSIX *ioposix = NULL;
if (file == NULL)
return NULL;
ioposix = (FILE_IOPOSIX*)malloc(sizeof(FILE_IOPOSIX));
ioposix->file = file;
ioposix->filenameLength = (int)strlen(filename) + 1;
ioposix->filename = (char*)malloc(ioposix->filenameLength * sizeof(char));
memcpy((char*)ioposix->filename, filename, ioposix->filenameLength);
return (voidpf)ioposix;
}
int ZCALLBACK fclose_file_func OF((
voidpf opaque,
voidpf stream));
int ZCALLBACK ferror_file_func OF((
voidpf opaque,
voidpf stream));
voidpf ZCALLBACK fopen_file_func (opaque, filename, mode)
voidpf opaque;
const char* filename;
int mode;
static voidpf ZCALLBACK fopen_file_func(voidpf opaque, const char *filename, int mode)
{
FILE* file = NULL;
const char* mode_fopen = NULL;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
const char *mode_fopen = NULL;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ)
mode_fopen = "rb";
else
if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
mode_fopen = "r+b";
else
if (mode & ZLIB_FILEFUNC_MODE_CREATE)
else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
mode_fopen = "wb";
if ((filename!=NULL) && (mode_fopen != NULL))
if ((filename != NULL) && (mode_fopen != NULL))
{
file = fopen(filename, mode_fopen);
return file_build_ioposix(file, filename);
}
return file;
}
uLong ZCALLBACK fread_file_func (opaque, stream, buf, size)
voidpf opaque;
voidpf stream;
void* buf;
uLong size;
static voidpf ZCALLBACK fopen64_file_func(voidpf opaque, const void *filename, int mode)
{
uLong ret;
ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
FILE* file = NULL;
const char *mode_fopen = NULL;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ)
mode_fopen = "rb";
else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
mode_fopen = "r+b";
else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
mode_fopen = "wb";
if ((filename != NULL) && (mode_fopen != NULL))
{
file = fopen64((const char*)filename, mode_fopen);
return file_build_ioposix(file, (const char*)filename);
}
return file;
}
static voidpf ZCALLBACK fopendisk64_file_func(voidpf opaque, voidpf stream, uint32_t number_disk, int mode)
{
FILE_IOPOSIX *ioposix = NULL;
char *diskFilename = NULL;
voidpf ret = NULL;
int i = 0;
if (stream == NULL)
return NULL;
ioposix = (FILE_IOPOSIX*)stream;
diskFilename = (char*)malloc(ioposix->filenameLength * sizeof(char));
strncpy(diskFilename, (const char*)ioposix->filename, ioposix->filenameLength);
for (i = ioposix->filenameLength - 1; i >= 0; i -= 1)
{
if (diskFilename[i] != '.')
continue;
snprintf(&diskFilename[i], ioposix->filenameLength - i, ".z%02u", number_disk + 1);
break;
}
if (i >= 0)
ret = fopen64_file_func(opaque, diskFilename, mode);
free(diskFilename);
return ret;
}
uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size)
voidpf opaque;
voidpf stream;
const void* buf;
uLong size;
static voidpf ZCALLBACK fopendisk_file_func(voidpf opaque, voidpf stream, uint32_t number_disk, int mode)
{
uLong ret;
ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
FILE_IOPOSIX *ioposix = NULL;
char *diskFilename = NULL;
voidpf ret = NULL;
int i = 0;
if (stream == NULL)
return NULL;
ioposix = (FILE_IOPOSIX*)stream;
diskFilename = (char*)malloc(ioposix->filenameLength * sizeof(char));
strncpy(diskFilename, (const char*)ioposix->filename, ioposix->filenameLength);
for (i = ioposix->filenameLength - 1; i >= 0; i -= 1)
{
if (diskFilename[i] != '.')
continue;
snprintf(&diskFilename[i], ioposix->filenameLength - i, ".z%02u", number_disk + 1);
break;
}
if (i >= 0)
ret = fopen_file_func(opaque, diskFilename, mode);
free(diskFilename);
return ret;
}
long ZCALLBACK ftell_file_func (opaque, stream)
voidpf opaque;
voidpf stream;
static uint32_t ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void* buf, uint32_t size)
{
long ret;
ret = ftell((FILE *)stream);
FILE_IOPOSIX *ioposix = NULL;
uint32_t read = (uint32_t)-1;
if (stream == NULL)
return read;
ioposix = (FILE_IOPOSIX*)stream;
read = (uint32_t)fread(buf, 1, (size_t)size, ioposix->file);
return read;
}
static uint32_t ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void *buf, uint32_t size)
{
FILE_IOPOSIX *ioposix = NULL;
uint32_t written = (uint32_t)-1;
if (stream == NULL)
return written;
ioposix = (FILE_IOPOSIX*)stream;
written = (uint32_t)fwrite(buf, 1, (size_t)size, ioposix->file);
return written;
}
static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream)
{
FILE_IOPOSIX *ioposix = NULL;
long ret = -1;
if (stream == NULL)
return ret;
ioposix = (FILE_IOPOSIX*)stream;
ret = ftell(ioposix->file);
return ret;
}
long ZCALLBACK fseek_file_func (opaque, stream, offset, origin)
voidpf opaque;
voidpf stream;
uLong offset;
int origin;
static uint64_t ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream)
{
int fseek_origin=0;
long ret;
FILE_IOPOSIX *ioposix = NULL;
uint64_t ret = (uint64_t)-1;
if (stream == NULL)
return ret;
ioposix = (FILE_IOPOSIX*)stream;
ret = ftello64(ioposix->file);
return ret;
}
static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uint32_t offset, int origin)
{
FILE_IOPOSIX *ioposix = NULL;
int fseek_origin = 0;
long ret = 0;
if (stream == NULL)
return -1;
ioposix = (FILE_IOPOSIX*)stream;
switch (origin)
{
case ZLIB_FILEFUNC_SEEK_CUR :
case ZLIB_FILEFUNC_SEEK_CUR:
fseek_origin = SEEK_CUR;
break;
case ZLIB_FILEFUNC_SEEK_END :
case ZLIB_FILEFUNC_SEEK_END:
fseek_origin = SEEK_END;
break;
case ZLIB_FILEFUNC_SEEK_SET :
case ZLIB_FILEFUNC_SEEK_SET:
fseek_origin = SEEK_SET;
break;
default: return -1;
default:
return -1;
}
ret = 0;
fseek((FILE *)stream, offset, fseek_origin);
if (fseek(ioposix->file, offset, fseek_origin) != 0)
ret = -1;
return ret;
}
int ZCALLBACK fclose_file_func (opaque, stream)
voidpf opaque;
voidpf stream;
static long ZCALLBACK fseek64_file_func(voidpf opaque, voidpf stream, uint64_t offset, int origin)
{
int ret;
ret = fclose((FILE *)stream);
FILE_IOPOSIX *ioposix = NULL;
int fseek_origin = 0;
long ret = 0;
if (stream == NULL)
return -1;
ioposix = (FILE_IOPOSIX*)stream;
switch (origin)
{
case ZLIB_FILEFUNC_SEEK_CUR:
fseek_origin = SEEK_CUR;
break;
case ZLIB_FILEFUNC_SEEK_END:
fseek_origin = SEEK_END;
break;
case ZLIB_FILEFUNC_SEEK_SET:
fseek_origin = SEEK_SET;
break;
default:
return -1;
}
if (fseeko64(ioposix->file, offset, fseek_origin) != 0)
ret = -1;
return ret;
}
int ZCALLBACK ferror_file_func (opaque, stream)
voidpf opaque;
voidpf stream;
static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream)
{
int ret;
ret = ferror((FILE *)stream);
FILE_IOPOSIX *ioposix = NULL;
int ret = -1;
if (stream == NULL)
return ret;
ioposix = (FILE_IOPOSIX*)stream;
if (ioposix->filename != NULL)
free(ioposix->filename);
ret = fclose(ioposix->file);
free(ioposix);
return ret;
}
void fill_fopen_filefunc (pzlib_filefunc_def)
zlib_filefunc_def* pzlib_filefunc_def;
static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream)
{
FILE_IOPOSIX *ioposix = NULL;
int ret = -1;
if (stream == NULL)
return ret;
ioposix = (FILE_IOPOSIX*)stream;
ret = ferror(ioposix->file);
return ret;
}
void fill_fopen_filefunc(zlib_filefunc_def *pzlib_filefunc_def)
{
pzlib_filefunc_def->zopen_file = fopen_file_func;
pzlib_filefunc_def->zopendisk_file = fopendisk_file_func;
pzlib_filefunc_def->zread_file = fread_file_func;
pzlib_filefunc_def->zwrite_file = fwrite_file_func;
pzlib_filefunc_def->ztell_file = ftell_file_func;
@ -183,6 +344,19 @@ void fill_fopen_filefunc (pzlib_filefunc_def)
pzlib_filefunc_def->opaque = NULL;
}
void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def)
{
pzlib_filefunc_def->zopen64_file = fopen64_file_func;
pzlib_filefunc_def->zopendisk64_file = fopendisk64_file_func;
pzlib_filefunc_def->zread_file = fread_file_func;
pzlib_filefunc_def->zwrite_file = fwrite_file_func;
pzlib_filefunc_def->ztell64_file = ftell64_file_func;
pzlib_filefunc_def->zseek64_file = fseek64_file_func;
pzlib_filefunc_def->zclose_file = fclose_file_func;
pzlib_filefunc_def->zerror_file = ferror_file_func;
pzlib_filefunc_def->opaque = NULL;
}
#ifdef _WIN32
# pragma warning(pop)
# ifdef __clang__

134
contrib/unzip/ioapi.h
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@ -1,14 +1,49 @@
/* ioapi.h -- IO base function header for compress/uncompress .zip
files using zlib + zip or unzip API
part of the MiniZip project
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2010 Gilles Vollant
http://www.winimage.com/zLibDll/minizip.html
Modifications for Zip64 support
Copyright (C) 2009-2010 Mathias Svensson
http://result42.com
Copyright (C) 1998-2005 Gilles Vollant
This program is distributed under the terms of the same license as zlib.
See the accompanying LICENSE file for the full text of the license.
*/
#ifndef _ZLIBIOAPI_H
#define _ZLIBIOAPI_H
#ifndef _ZLIBIOAPI64_H
#define _ZLIBIOAPI64_H
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "zlib.h"
#if defined(USE_FILE32API)
# define fopen64 fopen
# define ftello64 ftell
# define fseeko64 fseek
#else
#if defined(_MSC_VER)
# define fopen64 fopen
# if (_MSC_VER >= 1400) && (!(defined(NO_MSCVER_FILE64_FUNC)))
# define ftello64 _ftelli64
# define fseeko64 _fseeki64
# else /* old MSC */
# define ftello64 ftell
# define fseeko64 fseek
# endif
#else
# define fopen64 fopen
# define ftello64 ftello
# define fseeko64 fseeko
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define ZLIB_FILEFUNC_SEEK_CUR (1)
#define ZLIB_FILEFUNC_SEEK_END (2)
@ -17,59 +52,94 @@
#define ZLIB_FILEFUNC_MODE_READ (1)
#define ZLIB_FILEFUNC_MODE_WRITE (2)
#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
#define ZLIB_FILEFUNC_MODE_EXISTING (4)
#define ZLIB_FILEFUNC_MODE_CREATE (8)
#ifndef ZCALLBACK
#if (defined(_WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
#define ZCALLBACK CALLBACK
#else
#define ZCALLBACK
#endif
# if (defined(WIN32) || defined(_WIN32) || defined (WINDOWS) || \
defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
# define ZCALLBACK CALLBACK
# else
# define ZCALLBACK
# endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef voidpf (ZCALLBACK *open_file_func) (voidpf opaque, const char *filename, int mode);
typedef voidpf (ZCALLBACK *opendisk_file_func) (voidpf opaque, voidpf stream, uint32_t number_disk, int mode);
typedef uint32_t (ZCALLBACK *read_file_func) (voidpf opaque, voidpf stream, void* buf, uint32_t size);
typedef uint32_t (ZCALLBACK *write_file_func) (voidpf opaque, voidpf stream, const void *buf, uint32_t size);
typedef int (ZCALLBACK *close_file_func) (voidpf opaque, voidpf stream);
typedef int (ZCALLBACK *error_file_func) (voidpf opaque, voidpf stream);
typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode));
typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size));
typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin));
typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
typedef long (ZCALLBACK *tell_file_func) (voidpf opaque, voidpf stream);
typedef long (ZCALLBACK *seek_file_func) (voidpf opaque, voidpf stream, uint32_t offset, int origin);
/* here is the "old" 32 bits structure structure */
typedef struct zlib_filefunc_def_s
{
open_file_func zopen_file;
opendisk_file_func zopendisk_file;
read_file_func zread_file;
write_file_func zwrite_file;
tell_file_func ztell_file;
seek_file_func zseek_file;
close_file_func zclose_file;
testerror_file_func zerror_file;
error_file_func zerror_file;
voidpf opaque;
} zlib_filefunc_def;
typedef uint64_t (ZCALLBACK *tell64_file_func) (voidpf opaque, voidpf stream);
typedef long (ZCALLBACK *seek64_file_func) (voidpf opaque, voidpf stream, uint64_t offset, int origin);
typedef voidpf (ZCALLBACK *open64_file_func) (voidpf opaque, const void *filename, int mode);
typedef voidpf (ZCALLBACK *opendisk64_file_func)(voidpf opaque, voidpf stream, uint32_t number_disk, int mode);
typedef struct zlib_filefunc64_def_s
{
open64_file_func zopen64_file;
opendisk64_file_func zopendisk64_file;
read_file_func zread_file;
write_file_func zwrite_file;
tell64_file_func ztell64_file;
seek64_file_func zseek64_file;
close_file_func zclose_file;
error_file_func zerror_file;
voidpf opaque;
} zlib_filefunc64_def;
void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
void fill_fopen_filefunc(zlib_filefunc_def *pzlib_filefunc_def);
void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def);
#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size))
#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size))
#define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream))
#define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode))
#define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream))
#define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream))
/* now internal definition, only for zip.c and unzip.h */
typedef struct zlib_filefunc64_32_def_s
{
zlib_filefunc64_def zfile_func64;
open_file_func zopen32_file;
opendisk_file_func zopendisk32_file;
tell_file_func ztell32_file;
seek_file_func zseek32_file;
} zlib_filefunc64_32_def;
#define ZREAD64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zread_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size))
#define ZWRITE64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zwrite_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size))
/*#define ZTELL64(filefunc,filestream) ((*((filefunc).ztell64_file)) ((filefunc).opaque,filestream))*/
/*#define ZSEEK64(filefunc,filestream,pos,mode) ((*((filefunc).zseek64_file)) ((filefunc).opaque,filestream,pos,mode))*/
#define ZCLOSE64(filefunc,filestream) ((*((filefunc).zfile_func64.zclose_file)) ((filefunc).zfile_func64.opaque,filestream))
#define ZERROR64(filefunc,filestream) ((*((filefunc).zfile_func64.zerror_file)) ((filefunc).zfile_func64.opaque,filestream))
voidpf call_zopen64(const zlib_filefunc64_32_def *pfilefunc,const void*filename, int mode);
voidpf call_zopendisk64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, uint32_t number_disk, int mode);
long call_zseek64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream, uint64_t offset, int origin);
uint64_t call_ztell64(const zlib_filefunc64_32_def *pfilefunc, voidpf filestream);
void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def *p_filefunc64_32, const zlib_filefunc_def *p_filefunc32);
#define ZOPEN64(filefunc,filename,mode) (call_zopen64((&(filefunc)),(filename),(mode)))
#define ZOPENDISK64(filefunc,filestream,diskn,mode) (call_zopendisk64((&(filefunc)),(filestream),(diskn),(mode)))
#define ZTELL64(filefunc,filestream) (call_ztell64((&(filefunc)),(filestream)))
#define ZSEEK64(filefunc,filestream,pos,mode) (call_zseek64((&(filefunc)),(filestream),(pos),(mode)))
#ifdef __cplusplus
}
#endif
#endif

2889
contrib/unzip/unzip.c
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476
contrib/unzip/unzip.h
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@ -1,49 +1,21 @@
/* unzip.h -- IO for uncompress .zip files using zlib
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2005 Gilles Vollant
This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g
WinZip, InfoZip tools and compatible.
Multi volume ZipFile (span) are not supported.
Encryption compatible with pkzip 2.04g only supported
Old compressions used by old PKZip 1.x are not supported
I WAIT FEEDBACK at mail info@winimage.com
Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution
Condition of use and distribution are the same than zlib :
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Version 1.1, February 14h, 2010
part of the MiniZip project
Copyright (C) 1998-2010 Gilles Vollant
http://www.winimage.com/zLibDll/minizip.html
Modifications of Unzip for Zip64
Copyright (C) 2007-2008 Even Rouault
Modifications for Zip64 support on both zip and unzip
Copyright (C) 2009-2010 Mathias Svensson
http://result42.com
This program is distributed under the terms of the same license as zlib.
See the accompanying LICENSE file for the full text of the license.
*/
/* for more info about .ZIP format, see
http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip
http://www.info-zip.org/pub/infozip/doc/
PkWare has also a specification at :
ftp://ftp.pkware.com/probdesc.zip
*/
#ifndef _unz_H
#define _unz_H
#ifndef _UNZ_H
#define _UNZ_H
#ifdef __cplusplus
extern "C" {
@ -57,16 +29,21 @@ extern "C" {
#include "ioapi.h"
#endif
#ifdef HAVE_BZIP2
#include "bzlib.h"
#endif
#define Z_BZIP2ED 12
#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
/* like the STRICT of WIN32, we define a pointer that cannot be converted
from (void*) without cast */
typedef struct TagunzFile__ { int unused; } unzFile__;
typedef unzFile__ *unzFile;
typedef struct TagunzFile__ { int unused; } unz_file__;
typedef unz_file__ *unzFile;
#else
typedef voidp unzFile;
#endif
#define UNZ_OK (0)
#define UNZ_END_OF_LIST_OF_FILE (-100)
#define UNZ_ERRNO (Z_ERRNO)
@ -75,280 +52,255 @@ typedef voidp unzFile;
#define UNZ_BADZIPFILE (-103)
#define UNZ_INTERNALERROR (-104)
#define UNZ_CRCERROR (-105)
/* tm_unz contain date/time info */
typedef struct tm_unz_s
{
uInt tm_sec; /* seconds after the minute - [0,59] */
uInt tm_min; /* minutes after the hour - [0,59] */
uInt tm_hour; /* hours since midnight - [0,23] */
uInt tm_mday; /* day of the month - [1,31] */
uInt tm_mon; /* months since January - [0,11] */
uInt tm_year; /* years - [1980..2044] */
} tm_unz;
#define UNZ_BADPASSWORD (-106)
/* unz_global_info structure contain global data about the ZIPfile
These data comes from the end of central dir */
typedef struct unz_global_info64_s
{
uint64_t number_entry; /* total number of entries in the central dir on this disk */
uint32_t number_disk_with_CD; /* number the the disk with central dir, used for spanning ZIP*/
uint16_t size_comment; /* size of the global comment of the zipfile */
} unz_global_info64;
typedef struct unz_global_info_s
{
uLong number_entry; /* total number of entries in
the central dir on this disk */
uLong size_comment; /* size of the global comment of the zipfile */
uint32_t number_entry; /* total number of entries in the central dir on this disk */
uint32_t number_disk_with_CD; /* number the the disk with central dir, used for spanning ZIP*/
uint16_t size_comment; /* size of the global comment of the zipfile */
} unz_global_info;
/* unz_file_info contain information about a file in the zipfile */
typedef struct unz_file_info64_s
{
uint16_t version; /* version made by 2 bytes */
uint16_t version_needed; /* version needed to extract 2 bytes */
uint16_t flag; /* general purpose bit flag 2 bytes */
uint16_t compression_method; /* compression method 2 bytes */
uint32_t dos_date; /* last mod file date in Dos fmt 4 bytes */
uint32_t crc; /* crc-32 4 bytes */
uint64_t compressed_size; /* compressed size 8 bytes */
uint64_t uncompressed_size; /* uncompressed size 8 bytes */
uint16_t size_filename; /* filename length 2 bytes */
uint16_t size_file_extra; /* extra field length 2 bytes */
uint16_t size_file_comment; /* file comment length 2 bytes */
uint32_t disk_num_start; /* disk number start 4 bytes */
uint16_t internal_fa; /* internal file attributes 2 bytes */
uint32_t external_fa; /* external file attributes 4 bytes */
uint64_t disk_offset;
uint16_t size_file_extra_internal;
} unz_file_info64;
typedef struct unz_file_info_s
{
uLong version; /* version made by 2 bytes */
uLong version_needed; /* version needed to extract 2 bytes */
uLong flag; /* general purpose bit flag 2 bytes */
uLong compression_method; /* compression method 2 bytes */
uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
uLong crc; /* crc-32 4 bytes */
uLong compressed_size; /* compressed size 4 bytes */
uLong uncompressed_size; /* uncompressed size 4 bytes */
uLong size_filename; /* filename length 2 bytes */
uLong size_file_extra; /* extra field length 2 bytes */
uLong size_file_comment; /* file comment length 2 bytes */
uint16_t version; /* version made by 2 bytes */
uint16_t version_needed; /* version needed to extract 2 bytes */
uint16_t flag; /* general purpose bit flag 2 bytes */
uint16_t compression_method; /* compression method 2 bytes */
uint32_t dos_date; /* last mod file date in Dos fmt 4 bytes */
uint32_t crc; /* crc-32 4 bytes */
uint32_t compressed_size; /* compressed size 4 bytes */
uint32_t uncompressed_size; /* uncompressed size 4 bytes */
uint16_t size_filename; /* filename length 2 bytes */
uint16_t size_file_extra; /* extra field length 2 bytes */
uint16_t size_file_comment; /* file comment length 2 bytes */
uLong disk_num_start; /* disk number start 2 bytes */
uLong internal_fa; /* internal file attributes 2 bytes */
uLong external_fa; /* external file attributes 4 bytes */
uint16_t disk_num_start; /* disk number start 2 bytes */
uint16_t internal_fa; /* internal file attributes 2 bytes */
uint32_t external_fa; /* external file attributes 4 bytes */
tm_unz tmu_date;
uint64_t disk_offset;
} unz_file_info;
extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
const char* fileName2,
int iCaseSensitivity));
/*
Compare two filename (fileName1,fileName2).
If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
or strcasecmp)
If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
(like 1 on Unix, 2 on Windows)
*/
/***************************************************************************/
/* Opening and close a zip file */
extern unzFile ZEXPORT unzOpen(const char *path);
extern unzFile ZEXPORT unzOpen64(const void *path);
/* Open a Zip file.
extern unzFile ZEXPORT unzOpen OF((const char *path));
/*
Open a Zip file. path contain the full pathname (by example,
on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer
"zlib/zlib113.zip".
If the zipfile cannot be opened (file don't exist or in not valid), the
return value is NULL.
Else, the return value is a unzFile Handle, usable with other function
of this unzip package.
*/
path should contain the full path (by example, on a Windows XP computer
"c:\\zlib\\zlib113.zip" or on an Unix computer "zlib/zlib113.zip".
return NULL if zipfile cannot be opened or doesn't exist
return unzFile handle if no error
extern unzFile ZEXPORT unzOpen2 OF((const char *path,
zlib_filefunc_def* pzlib_filefunc_def));
/*
Open a Zip file, like unzOpen, but provide a set of file low level API
for read/write the zip file (see ioapi.h)
*/
NOTE: The "64" function take a const void *pointer, because the path is just the value passed to the
open64_file_func callback. Under Windows, if UNICODE is defined, using fill_fopen64_filefunc, the path
is a pointer to a wide unicode string (LPCTSTR is LPCWSTR), so const char *does not describe the reality */
extern int ZEXPORT unzClose OF((unzFile file));
/*
Close a ZipFile opened with unzipOpen.
If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
extern unzFile ZEXPORT unzOpen2(const char *path, zlib_filefunc_def *pzlib_filefunc_def);
/* Open a Zip file, like unzOpen, but provide a set of file low level API for read/write operations */
extern unzFile ZEXPORT unzOpen2_64(const void *path, zlib_filefunc64_def *pzlib_filefunc_def);
/* Open a Zip file, like unz64Open, but provide a set of file low level API for read/write 64-bit operations */
extern int ZEXPORT unzClose(unzFile file);
/* Close a ZipFile opened with unzOpen. If there is files inside the .Zip opened with unzOpenCurrentFile,
these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
unz_global_info *pglobal_info));
/*
Write info about the ZipFile in the *pglobal_info structure.
No preparation of the structure is needed
return UNZ_OK if there is no problem. */
return UNZ_OK if there is no error */
extern int ZEXPORT unzGetGlobalInfo(unzFile file, unz_global_info *pglobal_info);
extern int ZEXPORT unzGetGlobalInfo64(unzFile file, unz_global_info64 *pglobal_info);
/* Write info about the ZipFile in the *pglobal_info structure.
return UNZ_OK if no error */
extern int ZEXPORT unzGetGlobalComment(unzFile file, char *comment, uint16_t comment_size);
/* Get the global comment string of the ZipFile, in the comment buffer.
extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
char *szComment,
uLong uSizeBuf));
/*
Get the global comment string of the ZipFile, in the szComment buffer.
uSizeBuf is the size of the szComment buffer.
return the number of byte copied or an error code <0
*/
return the number of byte copied or an error code <0 */
/***************************************************************************/
/* Unzip package allow you browse the directory of the zipfile */
/* Reading the content of the current zipfile, you can open it, read data from it, and close it
(you can close it before reading all the file) */
extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
/*
Set the current file of the zipfile to the first file.
return UNZ_OK if there is no problem
*/
extern int ZEXPORT unzOpenCurrentFile(unzFile file);
/* Open for reading data the current file in the zipfile.
extern int ZEXPORT unzGoToNextFile OF((unzFile file));
/*
Set the current file of the zipfile to the next file.
return UNZ_OK if there is no problem
return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
*/
return UNZ_OK if no error */
extern int ZEXPORT unzLocateFile OF((unzFile file,
const char *szFileName,
int iCaseSensitivity));
/*
Try locate the file szFileName in the zipfile.
For the iCaseSensitivity signification, see unzStringFileNameCompare
return value :
UNZ_OK if the file is found. It becomes the current file.
UNZ_END_OF_LIST_OF_FILE if the file is not found
*/
/* ****************************************** */
/* Ryan supplied functions */
/* unz_file_info contain information about a file in the zipfile */
typedef struct unz_file_pos_s
{
uLong pos_in_zip_directory; /* offset in zip file directory */
uLong num_of_file; /* # of file */
} unz_file_pos;
extern int ZEXPORT unzGetFilePos(
unzFile file,
unz_file_pos* file_pos);
extern int ZEXPORT unzGoToFilePos(
unzFile file,
unz_file_pos* file_pos);
/* ****************************************** */
extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
unz_file_info *pfile_info,
char *szFileName,
uLong fileNameBufferSize,
void *extraField,
uLong extraFieldBufferSize,
char *szComment,
uLong commentBufferSize));
/*
Get Info about the current file
if pfile_info!=NULL, the *pfile_info structure will contain somes info about
the current file
if szFileName!=NULL, the filemane string will be copied in szFileName
(fileNameBufferSize is the size of the buffer)
if extraField!=NULL, the extra field information will be copied in extraField
(extraFieldBufferSize is the size of the buffer).
This is the Central-header version of the extra field
if szComment!=NULL, the comment string of the file will be copied in szComment
(commentBufferSize is the size of the buffer)
*/
/***************************************************************************/
/* for reading the content of the current zipfile, you can open it, read data
from it, and close it (you can close it before reading all the file)
*/
extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
/*
Open for reading data the current file in the zipfile.
If there is no error, the return value is UNZ_OK.
*/
extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file,
const char* password));
/*
Open for reading data the current file in the zipfile.
extern int ZEXPORT unzOpenCurrentFilePassword(unzFile file, const char *password);
/* Open for reading data the current file in the zipfile.
password is a crypting password
If there is no error, the return value is UNZ_OK.
*/
extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file,
int* method,
int* level,
int raw));
/*
Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
if raw==1
*method will receive method of compression, *level will receive level of
compression
note : you can set level parameter as NULL (if you did not want known level,
but you CANNOT set method parameter as NULL
*/
return UNZ_OK if no error */
extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file,
int* method,
int* level,
int raw,
const char* password));
/*
Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
if raw==1
*method will receive method of compression, *level will receive level of
compression
note : you can set level parameter as NULL (if you did not want known level,
but you CANNOT set method parameter as NULL
*/
extern int ZEXPORT unzOpenCurrentFile2(unzFile file, int *method, int *level, int raw);
/* Same as unzOpenCurrentFile, but open for read raw the file (not uncompress)
if raw==1 *method will receive method of compression, *level will receive level of compression
NOTE: you can set level parameter as NULL (if you did not want known level,
but you CANNOT set method parameter as NULL */
extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
/*
Close the file in zip opened with unzOpenCurrentFile
Return UNZ_CRCERROR if all the file was read but the CRC is not good
*/
extern int ZEXPORT unzOpenCurrentFile3(unzFile file, int *method, int *level, int raw, const char *password);
/* Same as unzOpenCurrentFile, but takes extra parameter password for encrypted files */
extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
voidp buf,
unsigned len));
/*
Read bytes from the current file (opened by unzOpenCurrentFile)
extern int ZEXPORT unzReadCurrentFile(unzFile file, voidp buf, uint32_t len);
/* Read bytes from the current file (opened by unzOpenCurrentFile)
buf contain buffer where data must be copied
len the size of buf.
return the number of byte copied if somes bytes are copied
return 0 if the end of file was reached
return <0 with error code if there is an error
(UNZ_ERRNO for IO error, or zLib error for uncompress error)
*/
return <0 with error code if there is an error (UNZ_ERRNO for IO error, or zLib error for uncompress error) */
extern z_off_t ZEXPORT unztell OF((unzFile file));
/*
Give the current position in uncompressed data
*/
extern int ZEXPORT unzGetCurrentFileInfo(unzFile file, unz_file_info *pfile_info, char *filename,
uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size);
extern int ZEXPORT unzGetCurrentFileInfo64(unzFile file, unz_file_info64 *pfile_info, char *filename,
uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size);
/* Get Info about the current file
extern int ZEXPORT unzeof OF((unzFile file));
/*
return 1 if the end of file was reached, 0 elsewhere
*/
pfile_info if != NULL, the *pfile_info structure will contain somes info about the current file
filename if != NULL, the file name string will be copied in filename
filename_size is the size of the filename buffer
extrafield if != NULL, the extra field information from the central header will be copied in to
extrafield_size is the size of the extraField buffer
comment if != NULL, the comment string of the file will be copied in to
comment_size is the size of the comment buffer */
extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
voidp buf,
unsigned len));
/*
Read extra field from the current file (opened by unzOpenCurrentFile)
extern int ZEXPORT unzGetLocalExtrafield(unzFile file, voidp buf, uint32_t len);
/* Read extra field from the current file (opened by unzOpenCurrentFile)
This is the local-header version of the extra field (sometimes, there is
more info in the local-header version than in the central-header)
if buf==NULL, it return the size of the local extra field
if buf == NULL, it return the size of the local extra field
if buf != NULL, len is the size of the buffer, the extra header is copied in buf.
if buf!=NULL, len is the size of the buffer, the extra header is copied in
buf.
the return value is the number of bytes copied in buf, or (if <0)
the error code
*/
return number of bytes copied in buf, or (if <0) the error code */
extern int ZEXPORT unzCloseCurrentFile(unzFile file);
/* Close the file in zip opened with unzOpenCurrentFile
return UNZ_CRCERROR if all the file was read but the CRC is not good */
/***************************************************************************/
/* Browse the directory of the zipfile */
typedef int (*unzFileNameComparer)(unzFile file, const char *filename1, const char *filename2);
typedef int (*unzIteratorFunction)(unzFile file);
typedef int (*unzIteratorFunction2)(unzFile file, unz_file_info64 *pfile_info, char *filename,
uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size);
extern int ZEXPORT unzGoToFirstFile(unzFile file);
/* Set the current file of the zipfile to the first file.
return UNZ_OK if no error */
extern int ZEXPORT unzGoToFirstFile2(unzFile file, unz_file_info64 *pfile_info, char *filename,
uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size);
/* Set the current file of the zipfile to the first file and retrieves the current info on success.
Not as seek intensive as unzGoToFirstFile + unzGetCurrentFileInfo.
return UNZ_OK if no error */
extern int ZEXPORT unzGoToNextFile(unzFile file);
/* Set the current file of the zipfile to the next file.
return UNZ_OK if no error
return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest */
extern int ZEXPORT unzGoToNextFile2(unzFile file, unz_file_info64 *pfile_info, char *filename,
uint16_t filename_size, void *extrafield, uint16_t extrafield_size, char *comment, uint16_t comment_size);
/* Set the current file of the zipfile to the next file and retrieves the current
info on success. Does less seeking around than unzGotoNextFile + unzGetCurrentFileInfo.
return UNZ_OK if no error
return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest */
extern int ZEXPORT unzLocateFile(unzFile file, const char *filename, unzFileNameComparer filename_compare_func);
/* Try locate the file szFileName in the zipfile. For custom filename comparison pass in comparison function.
return UNZ_OK if the file is found (it becomes the current file)
return UNZ_END_OF_LIST_OF_FILE if the file is not found */
/***************************************************************************/
/* Raw access to zip file */
typedef struct unz_file_pos_s
{
uint32_t pos_in_zip_directory; /* offset in zip file directory */
uint32_t num_of_file; /* # of file */
} unz_file_pos;
extern int ZEXPORT unzGetFilePos(unzFile file, unz_file_pos *file_pos);
extern int ZEXPORT unzGoToFilePos(unzFile file, unz_file_pos *file_pos);
typedef struct unz64_file_pos_s
{
uint64_t pos_in_zip_directory; /* offset in zip file directory */
uint64_t num_of_file; /* # of file */
} unz64_file_pos;
extern int ZEXPORT unzGetFilePos64(unzFile file, unz64_file_pos *file_pos);
extern int ZEXPORT unzGoToFilePos64(unzFile file, const unz64_file_pos *file_pos);
extern int32_t ZEXPORT unzGetOffset(unzFile file);
extern int64_t ZEXPORT unzGetOffset64(unzFile file);
/* Get the current file offset */
extern uLong ZEXPORT unzGetOffset (unzFile file);
extern int ZEXPORT unzSetOffset(unzFile file, uint32_t pos);
extern int ZEXPORT unzSetOffset64(unzFile file, uint64_t pos);
/* Set the current file offset */
extern int ZEXPORT unzSetOffset (unzFile file, uLong pos);
extern int32_t ZEXPORT unzTell(unzFile file);
extern int64_t ZEXPORT unzTell64(unzFile file);
/* return current position in uncompressed data */
extern int ZEXPORT unzSeek(unzFile file, uint32_t offset, int origin);
extern int ZEXPORT unzSeek64(unzFile file, uint64_t offset, int origin);
/* Seek within the uncompressed data if compression method is storage */
extern int ZEXPORT unzEndOfFile(unzFile file);
/* return 1 if the end of file was reached, 0 elsewhere */
/***************************************************************************/
#ifdef __cplusplus
}
#endif
#endif /* _unz_H */
#endif /* _UNZ_H */