diff --git a/zip_lib/ChangeLogUnzip b/zip_lib/ChangeLogUnzip deleted file mode 100644 index e62af147..00000000 --- a/zip_lib/ChangeLogUnzip +++ /dev/null @@ -1,67 +0,0 @@ -Change in 1.01e (12 feb 05) -- Fix in zipOpen2 for globalcomment (Rolf Kalbermatter) -- Fix possible memory leak in unzip.c (Zoran Stevanovic) - -Change in 1.01b (20 may 04) -- Integrate patch from Debian package (submited by Mark Brown) -- Add tools mztools from Xavier Roche - -Change in 1.01 (8 may 04) -- fix buffer overrun risk in unzip.c (Xavier Roche) -- fix a minor buffer insecurity in minizip.c (Mike Whittaker) - -Change in 1.00: (10 sept 03) -- rename to 1.00 -- cosmetic code change - -Change in 0.22: (19 May 03) -- crypting support (unless you define NOCRYPT) -- append file in existing zipfile - -Change in 0.21: (10 Mar 03) -- bug fixes - -Change in 0.17: (27 Jan 02) -- bug fixes - -Change in 0.16: (19 Jan 02) -- Support of ioapi for virtualize zip file access - -Change in 0.15: (19 Mar 98) -- fix memory leak in minizip.c - -Change in 0.14: (10 Mar 98) -- fix bugs in minizip.c sample for zipping big file -- fix problem in month in date handling -- fix bug in unzlocal_GetCurrentFileInfoInternal in unzip.c for - comment handling - -Change in 0.13: (6 Mar 98) -- fix bugs in zip.c -- add real minizip sample - -Change in 0.12: (4 Mar 98) -- add zip.c and zip.h for creates .zip file -- fix change_file_date in miniunz.c for Unix (Jean-loup Gailly) -- fix miniunz.c for file without specific record for directory - -Change in 0.11: (3 Mar 98) -- fix bug in unzGetCurrentFileInfo for get extra field and comment -- enhance miniunz sample, remove the bad unztst.c sample - -Change in 0.10: (2 Mar 98) -- fix bug in unzReadCurrentFile -- rename unzip* to unz* function and structure -- remove Windows-like hungary notation variable name -- modify some structure in unzip.h -- add somes comment in source -- remove unzipGetcCurrentFile function -- replace ZUNZEXPORT by ZEXPORT -- add unzGetLocalExtrafield for get the local extrafield info -- add a new sample, miniunz.c - -Change in 0.4: (25 Feb 98) -- suppress the type unzipFileInZip. - Only on file in the zipfile can be open at the same time -- fix somes typo in code -- added tm_unz structure in unzip_file_info (date/time in readable format) diff --git a/zip_lib/MiniZip64_Changes.txt b/zip_lib/MiniZip64_Changes.txt new file mode 100644 index 00000000..37594681 --- /dev/null +++ b/zip_lib/MiniZip64_Changes.txt @@ -0,0 +1,6 @@ + +MiniZip 1.1 was derived from MiniZip at version 1.01f + +Change in 1.0 (Okt 2009) + - **TODO - Add history** + diff --git a/zip_lib/MiniZip64_info.txt b/zip_lib/MiniZip64_info.txt new file mode 100644 index 00000000..57d71524 --- /dev/null +++ b/zip_lib/MiniZip64_info.txt @@ -0,0 +1,74 @@ +MiniZip - Copyright (c) 1998-2010 - by Gilles Vollant - version 1.1 64 bits from Mathias Svensson + +Introduction +--------------------- +MiniZip 1.1 is built from MiniZip 1.0 by Gilles Vollant ( http://www.winimage.com/zLibDll/minizip.html ) + +When adding ZIP64 support into minizip it would result into risk of breaking compatibility with minizip 1.0. +All possible work was done for compatibility. + + +Background +--------------------- +When adding ZIP64 support Mathias Svensson found that Even Rouault have added ZIP64 +support for unzip.c into minizip for a open source project called gdal ( http://www.gdal.org/ ) + +That was used as a starting point. And after that ZIP64 support was added to zip.c +some refactoring and code cleanup was also done. + + +Changed from MiniZip 1.0 to MiniZip 1.1 +--------------------------------------- +* Added ZIP64 support for unzip ( by Even Rouault ) +* Added ZIP64 support for zip ( by Mathias Svensson ) +* Reverted some changed that Even Rouault did. +* Bunch of patches received from Gulles Vollant that he received for MiniZip from various users. +* Added unzip patch for BZIP Compression method (patch create by Daniel Borca) +* Added BZIP Compress method for zip +* Did some refactoring and code cleanup + + +Credits + + Gilles Vollant - Original MiniZip author + Even Rouault - ZIP64 unzip Support + Daniel Borca - BZip Compression method support in unzip + Mathias Svensson - ZIP64 zip support + Mathias Svensson - BZip Compression method support in zip + + Resources + + ZipLayout http://result42.com/projects/ZipFileLayout + Command line tool for Windows that shows the layout and information of the headers in a zip archive. + Used when debugging and validating the creation of zip files using MiniZip64 + + + ZIP App Note http://www.pkware.com/documents/casestudies/APPNOTE.TXT + Zip File specification + + +Notes. + * To be able to use BZip compression method in zip64.c or unzip64.c the BZIP2 lib is needed and HAVE_BZIP2 need to be defined. + +License +---------------------------------------------------------- + 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. + +---------------------------------------------------------- + diff --git a/zip_lib/README b/zip_lib/README new file mode 100644 index 00000000..3307e954 --- /dev/null +++ b/zip_lib/README @@ -0,0 +1 @@ +The files here are copied from contrib/minizip in zlib-1.3.tar.xz. diff --git a/zip_lib/crypt.h b/zip_lib/crypt.h index f14a628b..eb11a822 100644 --- a/zip_lib/crypt.h +++ b/zip_lib/crypt.h @@ -32,12 +32,12 @@ /*********************************************************************** * Return the next byte in the pseudo-random sequence */ -static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab) -{ +static int decrypt_byte(unsigned long* pkeys, const z_crc_t* pcrc_32_tab) { 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 */ + (void)pcrc_32_tab; temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2; return (int)(((temp * (temp ^ 1)) >> 8) & 0xff); } @@ -45,8 +45,7 @@ static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab) /*********************************************************************** * Update the encryption keys with the next byte of plain text */ -static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int c) -{ +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; @@ -62,8 +61,7 @@ static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int * Initialize the encryption keys and the random header according to * the given password. */ -static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned long* pcrc_32_tab) -{ +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; @@ -77,25 +75,23 @@ static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned lon (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)) + (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), (Byte)t^(c)) #ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED #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 */ +# 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 */ +static unsigned crypthead(const char* passwd, /* password string */ + unsigned char* buf, /* where to write header */ + int bufSize, + unsigned long* pkeys, + const z_crc_t* pcrc_32_tab, + unsigned long crcForCrypting) { + unsigned n; /* index in random header */ int t; /* temporary */ int c; /* random byte */ unsigned char header[RAND_HEAD_LEN-2]; /* random header */ @@ -124,8 +120,8 @@ static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting) { 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); + buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t); + buf[n++] = (unsigned char)zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t); return n; } diff --git a/zip_lib/ioapi.c b/zip_lib/ioapi.c index 7f20c182..97e54bc1 100644 --- a/zip_lib/ioapi.c +++ b/zip_lib/ioapi.c @@ -1,77 +1,88 @@ -/* ioapi.c -- IO base function header for compress/uncompress .zip - files using zlib + zip or unzip API +/* ioapi.h -- IO base function header for compress/uncompress .zip + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - Version 1.01e, February 12th, 2005 + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt - Copyright (C) 1998-2005 Gilles Vollant */ -#include -#include -#include +#if defined(_WIN32) && (!(defined(_CRT_SECURE_NO_WARNINGS))) + #define _CRT_SECURE_NO_WARNINGS +#endif + +#if defined(__APPLE__) || defined(IOAPI_NO_64) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64) +// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions +#define FOPEN_FUNC(filename, mode) fopen(filename, mode) +#define FTELLO_FUNC(stream) ftello(stream) +#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin) +#else +#define FOPEN_FUNC(filename, mode) fopen64(filename, mode) +#define FTELLO_FUNC(stream) ftello64(stream) +#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin) +#endif + -#include "zlib.h" #include "ioapi.h" +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); + else + { + return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque,(const char*)filename,mode); + } +} + +long call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin) { + if (pfilefunc->zfile_func64.zseek64_file != NULL) + return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin); + else + { + uLong offsetTruncated = (uLong)offset; + if (offsetTruncated != offset) + return -1; + else + return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream,offsetTruncated,origin); + } +} + +ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc, voidpf filestream) { + if (pfilefunc->zfile_func64.zseek64_file != NULL) + return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream); + else + { + uLong tell_uLong = (uLong)(*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream); + if ((tell_uLong) == MAXU32) + return (ZPOS64_T)-1; + else + return tell_uLong; + } +} + +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->zopen32_file = p_filefunc32->zopen_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; +} -/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ -#ifndef SEEK_CUR -#define SEEK_CUR 1 -#endif - -#ifndef SEEK_END -#define SEEK_END 2 -#endif - -#ifndef SEEK_SET -#define SEEK_SET 0 -#endif - -voidpf ZCALLBACK fopen_file_func OF(( - voidpf opaque, - const char* filename, - int mode)); - -uLong ZCALLBACK fread_file_func OF(( - voidpf opaque, - voidpf stream, - void* buf, - uLong size)); - -uLong ZCALLBACK fwrite_file_func OF(( - voidpf opaque, - voidpf stream, - const void* buf, - uLong size)); - -long ZCALLBACK ftell_file_func OF(( - voidpf opaque, - voidpf stream)); - -long ZCALLBACK fseek_file_func OF(( - voidpf opaque, - voidpf stream, - uLong offset, - int origin)); - -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; + (void)opaque; if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) mode_fopen = "rb"; else @@ -86,47 +97,58 @@ voidpf ZCALLBACK fopen_file_func (opaque, filename, mode) return file; } +static voidpf ZCALLBACK fopen64_file_func(voidpf opaque, const void* filename, int mode) { + FILE* file = NULL; + const char* mode_fopen = NULL; + (void)opaque; + 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"; -uLong ZCALLBACK fread_file_func (opaque, stream, buf, size) - voidpf opaque; - voidpf stream; - void* buf; - uLong size; -{ + if ((filename!=NULL) && (mode_fopen != NULL)) + file = FOPEN_FUNC((const char*)filename, mode_fopen); + return file; +} + + +static uLong ZCALLBACK fread_file_func(voidpf opaque, voidpf stream, void* buf, uLong size) { uLong ret; + (void)opaque; ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream); return ret; } - -uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size) - voidpf opaque; - voidpf stream; - const void* buf; - uLong size; -{ +static uLong ZCALLBACK fwrite_file_func(voidpf opaque, voidpf stream, const void* buf, uLong size) { uLong ret; + (void)opaque; ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream); return ret; } -long ZCALLBACK ftell_file_func (opaque, stream) - voidpf opaque; - voidpf stream; -{ +static long ZCALLBACK ftell_file_func(voidpf opaque, voidpf stream) { long ret; + (void)opaque; ret = ftell((FILE *)stream); return ret; } -long ZCALLBACK fseek_file_func (opaque, stream, offset, origin) - voidpf opaque; - voidpf stream; - uLong offset; - int origin; -{ + +static ZPOS64_T ZCALLBACK ftell64_file_func(voidpf opaque, voidpf stream) { + ZPOS64_T ret; + (void)opaque; + ret = (ZPOS64_T)FTELLO_FUNC((FILE *)stream); + return ret; +} + +static long ZCALLBACK fseek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin) { int fseek_origin=0; long ret; + (void)opaque; switch (origin) { case ZLIB_FILEFUNC_SEEK_CUR : @@ -141,31 +163,52 @@ long ZCALLBACK fseek_file_func (opaque, stream, offset, origin) default: return -1; } ret = 0; - fseek((FILE *)stream, offset, fseek_origin); + if (fseek((FILE *)stream, (long)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, ZPOS64_T offset, int origin) { + int fseek_origin=0; + long ret; + (void)opaque; + 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; + } + ret = 0; + + if(FSEEKO_FUNC((FILE *)stream, (z_off64_t)offset, fseek_origin) != 0) + ret = -1; + + return ret; +} + + +static int ZCALLBACK fclose_file_func(voidpf opaque, voidpf stream) { int ret; + (void)opaque; ret = fclose((FILE *)stream); return ret; } -int ZCALLBACK ferror_file_func (opaque, stream) - voidpf opaque; - voidpf stream; -{ +static int ZCALLBACK ferror_file_func(voidpf opaque, voidpf stream) { int ret; + (void)opaque; ret = ferror((FILE *)stream); return ret; } -void fill_fopen_filefunc (pzlib_filefunc_def) - zlib_filefunc_def* pzlib_filefunc_def; -{ +void fill_fopen_filefunc(zlib_filefunc_def* pzlib_filefunc_def) { pzlib_filefunc_def->zopen_file = fopen_file_func; pzlib_filefunc_def->zread_file = fread_file_func; pzlib_filefunc_def->zwrite_file = fwrite_file_func; @@ -175,3 +218,14 @@ void fill_fopen_filefunc (pzlib_filefunc_def) pzlib_filefunc_def->zerror_file = ferror_file_func; 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->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; +} diff --git a/zip_lib/ioapi.h b/zip_lib/ioapi.h index e73a3b2b..2b0806c1 100644 --- a/zip_lib/ioapi.h +++ b/zip_lib/ioapi.h @@ -1,13 +1,114 @@ /* ioapi.h -- IO base function header for compress/uncompress .zip - files using zlib + zip or unzip API + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - Version 1.01e, February 12th, 2005 + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt + + Changes + + Oct-2009 - Defined ZPOS64_T to fpos_t on windows and u_int64_t on linux. (might need to find a better why for this) + Oct-2009 - Change to fseeko64, ftello64 and fopen64 so large files would work on linux. + More if/def section may be needed to support other platforms + Oct-2009 - Defined fxxxx64 calls to normal fopen/ftell/fseek so they would compile on windows. + (but you should use iowin32.c for windows instead) - Copyright (C) 1998-2005 Gilles Vollant */ -#ifndef _ZLIBIOAPI_H -#define _ZLIBIOAPI_H +#ifndef _ZLIBIOAPI64_H +#define _ZLIBIOAPI64_H + +#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) + + // Linux needs this to support file operation on files larger then 4+GB + // But might need better if/def to select just the platforms that needs them. + + #ifndef __USE_FILE_OFFSET64 + #define __USE_FILE_OFFSET64 + #endif + #ifndef __USE_LARGEFILE64 + #define __USE_LARGEFILE64 + #endif + #ifndef _LARGEFILE64_SOURCE + #define _LARGEFILE64_SOURCE + #endif + #ifndef _FILE_OFFSET_BIT + #define _FILE_OFFSET_BIT 64 + #endif + +#endif + +#include +#include +#include "zlib.h" + +#if defined(USE_FILE32API) +#define fopen64 fopen +#define ftello64 ftell +#define fseeko64 fseek +#else +#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64) +#define fopen64 fopen +#define ftello64 ftello +#define fseeko64 fseeko +#endif +#ifdef _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 +#endif +#endif + +/* +#ifndef ZPOS64_T + #ifdef _WIN32 + #define ZPOS64_T fpos_t + #else + #include + #define ZPOS64_T uint64_t + #endif +#endif +*/ + +#ifdef HAVE_MINIZIP64_CONF_H +#include "mz64conf.h" +#endif + +/* a type chosen by DEFINE */ +#ifdef HAVE_64BIT_INT_CUSTOM +typedef 64BIT_INT_CUSTOM_TYPE ZPOS64_T; +#else +#ifdef HAS_STDINT_H +#include "stdint.h" +typedef uint64_t ZPOS64_T; +#else + + + +#if defined(_MSC_VER) || defined(__BORLANDC__) +typedef unsigned __int64 ZPOS64_T; +#else +typedef unsigned long long int ZPOS64_T; +#endif +#endif +#endif + +/* Maximum unsigned 32-bit value used as placeholder for zip64 */ +#ifndef MAXU32 +#define MAXU32 (0xffffffff) +#endif + +#ifdef __cplusplus +extern "C" { +#endif #define ZLIB_FILEFUNC_SEEK_CUR (1) @@ -23,26 +124,27 @@ #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) 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 voidpf (ZCALLBACK *open_file_func) (voidpf opaque, const char* filename, int mode); +typedef uLong (ZCALLBACK *read_file_func) (voidpf opaque, voidpf stream, void* buf, uLong size); +typedef uLong (ZCALLBACK *write_file_func) (voidpf opaque, voidpf stream, const void* buf, uLong size); +typedef int (ZCALLBACK *close_file_func) (voidpf opaque, voidpf stream); +typedef int (ZCALLBACK *testerror_file_func) (voidpf opaque, voidpf stream); + +typedef long (ZCALLBACK *tell_file_func) (voidpf opaque, voidpf stream); +typedef long (ZCALLBACK *seek_file_func) (voidpf opaque, voidpf stream, uLong offset, int origin); + + +/* here is the "old" 32 bits structure structure */ typedef struct zlib_filefunc_def_s { open_file_func zopen_file; @@ -55,21 +157,54 @@ typedef struct zlib_filefunc_def_s voidpf opaque; } zlib_filefunc_def; +typedef ZPOS64_T (ZCALLBACK *tell64_file_func) (voidpf opaque, voidpf stream); +typedef long (ZCALLBACK *seek64_file_func) (voidpf opaque, voidpf stream, ZPOS64_T offset, int origin); +typedef voidpf (ZCALLBACK *open64_file_func) (voidpf opaque, const void* filename, int mode); + +typedef struct zlib_filefunc64_def_s +{ + open64_file_func zopen64_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; + testerror_file_func zerror_file; + voidpf opaque; +} zlib_filefunc64_def; + +void fill_fopen64_filefunc(zlib_filefunc64_def* pzlib_filefunc_def); +void fill_fopen_filefunc(zlib_filefunc_def* pzlib_filefunc_def); + +/* 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; + tell_file_func ztell32_file; + seek_file_func zseek32_file; +} zlib_filefunc64_32_def; -void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_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)) -#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)) +voidpf call_zopen64(const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode); +long call_zseek64(const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin); +ZPOS64_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 ZTELL64(filefunc,filestream) (call_ztell64((&(filefunc)),(filestream))) +#define ZSEEK64(filefunc,filestream,pos,mode) (call_zseek64((&(filefunc)),(filestream),(pos),(mode))) #ifdef __cplusplus } #endif #endif - diff --git a/zip_lib/iowin32.c b/zip_lib/iowin32.c index 694bc033..a35faf74 100644 --- a/zip_lib/iowin32.c +++ b/zip_lib/iowin32.c @@ -1,10 +1,14 @@ /* iowin32.c -- IO base function header for compress/uncompress .zip - files using zlib + zip or unzip API - This IO API version uses the Win32 API (for Microsoft Windows) + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - Version 1.01e, February 12th, 2005 + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt - Copyright (C) 1998-2005 Gilles Vollant */ #include @@ -21,40 +25,18 @@ #define INVALID_SET_FILE_POINTER ((DWORD)-1) #endif -voidpf ZCALLBACK win32_open_file_func OF(( - voidpf opaque, - const char* filename, - int mode)); -uLong ZCALLBACK win32_read_file_func OF(( - voidpf opaque, - voidpf stream, - void* buf, - uLong size)); +// see Include/shared/winapifamily.h in the Windows Kit +#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API))) -uLong ZCALLBACK win32_write_file_func OF(( - voidpf opaque, - voidpf stream, - const void* buf, - uLong size)); +#if !defined(WINAPI_FAMILY_ONE_PARTITION) +#define WINAPI_FAMILY_ONE_PARTITION(PartitionSet, Partition) ((WINAPI_FAMILY & PartitionSet) == Partition) +#endif -long ZCALLBACK win32_tell_file_func OF(( - voidpf opaque, - voidpf stream)); - -long ZCALLBACK win32_seek_file_func OF(( - voidpf opaque, - voidpf stream, - uLong offset, - int origin)); - -int ZCALLBACK win32_close_file_func OF(( - voidpf opaque, - voidpf stream)); - -int ZCALLBACK win32_error_file_func OF(( - voidpf opaque, - voidpf stream)); +#if WINAPI_FAMILY_ONE_PARTITION(WINAPI_FAMILY, WINAPI_PARTITION_APP) +#define IOWIN32_USING_WINRT_API 1 +#endif +#endif typedef struct { @@ -62,69 +44,156 @@ typedef struct int error; } WIN32FILE_IOWIN; -voidpf ZCALLBACK win32_open_file_func (opaque, filename, mode) - voidpf opaque; - const char* filename; - int mode; -{ - const char* mode_fopen = NULL; - DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; - HANDLE hFile = 0; - voidpf ret=NULL; - dwDesiredAccess = dwShareMode = dwFlagsAndAttributes = 0; +static void win32_translate_open_mode(int mode, + DWORD* lpdwDesiredAccess, + DWORD* lpdwCreationDisposition, + DWORD* lpdwShareMode, + DWORD* lpdwFlagsAndAttributes) { + *lpdwDesiredAccess = *lpdwShareMode = *lpdwFlagsAndAttributes = *lpdwCreationDisposition = 0; if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) { - dwDesiredAccess = GENERIC_READ; - dwCreationDisposition = OPEN_EXISTING; - dwShareMode = FILE_SHARE_READ; + *lpdwDesiredAccess = GENERIC_READ; + *lpdwCreationDisposition = OPEN_EXISTING; + *lpdwShareMode = FILE_SHARE_READ; } - else - if (mode & ZLIB_FILEFUNC_MODE_EXISTING) + else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) { - dwDesiredAccess = GENERIC_WRITE | GENERIC_READ; - dwCreationDisposition = OPEN_EXISTING; + *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; + *lpdwCreationDisposition = OPEN_EXISTING; } - else - if (mode & ZLIB_FILEFUNC_MODE_CREATE) + else if (mode & ZLIB_FILEFUNC_MODE_CREATE) { - dwDesiredAccess = GENERIC_WRITE | GENERIC_READ; - dwCreationDisposition = CREATE_ALWAYS; + *lpdwDesiredAccess = GENERIC_WRITE | GENERIC_READ; + *lpdwCreationDisposition = CREATE_ALWAYS; } +} - if ((filename!=NULL) && (dwDesiredAccess != 0)) - hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, - dwCreationDisposition, dwFlagsAndAttributes, NULL); +static voidpf win32_build_iowin(HANDLE hFile) { + voidpf ret=NULL; - if (hFile == INVALID_HANDLE_VALUE) - hFile = NULL; - - if (hFile != NULL) + if ((hFile != NULL) && (hFile != INVALID_HANDLE_VALUE)) { WIN32FILE_IOWIN w32fiow; w32fiow.hf = hFile; w32fiow.error = 0; ret = malloc(sizeof(WIN32FILE_IOWIN)); + if (ret==NULL) CloseHandle(hFile); - else *((WIN32FILE_IOWIN*)ret) = w32fiow; + else + *((WIN32FILE_IOWIN*)ret) = w32fiow; } return ret; } +voidpf ZCALLBACK win32_open64_file_func(voidpf opaque, const void* filename, int mode) { + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = NULL; -uLong ZCALLBACK win32_read_file_func (opaque, stream, buf, size) - voidpf opaque; - voidpf stream; - void* buf; - uLong size; -{ + win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); + +#ifdef IOWIN32_USING_WINRT_API +#ifdef UNICODE + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + { + WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; + MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); + hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); + } +#endif +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); +#endif + + return win32_build_iowin(hFile); +} + + +voidpf ZCALLBACK win32_open64_file_funcA(voidpf opaque, const void* filename, int mode) { + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = NULL; + + win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); + +#ifdef IOWIN32_USING_WINRT_API + if ((filename!=NULL) && (dwDesiredAccess != 0)) + { + WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; + MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); + hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); + } +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); +#endif + + return win32_build_iowin(hFile); +} + + +voidpf ZCALLBACK win32_open64_file_funcW(voidpf opaque, const void* filename, int mode) { + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = NULL; + + win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); + +#ifdef IOWIN32_USING_WINRT_API + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL); +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); +#endif + + return win32_build_iowin(hFile); +} + + +voidpf ZCALLBACK win32_open_file_func(voidpf opaque, const char* filename, int mode) { + const char* mode_fopen = NULL; + DWORD dwDesiredAccess,dwCreationDisposition,dwShareMode,dwFlagsAndAttributes ; + HANDLE hFile = NULL; + + win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes); + +#ifdef IOWIN32_USING_WINRT_API +#ifdef UNICODE + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + { + WCHAR filenameW[FILENAME_MAX + 0x200 + 1]; + MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200); + hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL); + } +#endif +#else + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL); +#endif + + return win32_build_iowin(hFile); +} + + +uLong ZCALLBACK win32_read_file_func(voidpf opaque, voidpf stream, void* buf,uLong size) { uLong ret=0; HANDLE hFile = NULL; if (stream!=NULL) hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + if (hFile != NULL) + { if (!ReadFile(hFile, buf, size, &ret, NULL)) { DWORD dwErr = GetLastError(); @@ -132,23 +201,20 @@ uLong ZCALLBACK win32_read_file_func (opaque, stream, buf, size) dwErr = 0; ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; } + } return ret; } -uLong ZCALLBACK win32_write_file_func (opaque, stream, buf, size) - voidpf opaque; - voidpf stream; - const void* buf; - uLong size; -{ +uLong ZCALLBACK win32_write_file_func(voidpf opaque, voidpf stream, const void* buf, uLong size) { uLong ret=0; HANDLE hFile = NULL; if (stream!=NULL) hFile = ((WIN32FILE_IOWIN*)stream) -> hf; - if (hFile !=NULL) + if (hFile != NULL) + { if (!WriteFile(hFile, buf, size, &ret, NULL)) { DWORD dwErr = GetLastError(); @@ -156,39 +222,77 @@ uLong ZCALLBACK win32_write_file_func (opaque, stream, buf, size) dwErr = 0; ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; } + } return ret; } -long ZCALLBACK win32_tell_file_func (opaque, stream) - voidpf opaque; - voidpf stream; -{ +static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos, DWORD dwMoveMethod) { +#ifdef IOWIN32_USING_WINRT_API + return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod); +#else + LONG lHigh = pos.HighPart; + DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, dwMoveMethod); + BOOL fOk = TRUE; + if (dwNewPos == 0xFFFFFFFF) + if (GetLastError() != NO_ERROR) + fOk = FALSE; + if ((newPos != NULL) && (fOk)) + { + newPos->LowPart = dwNewPos; + newPos->HighPart = lHigh; + } + return fOk; +#endif +} + +long ZCALLBACK win32_tell_file_func(voidpf opaque, voidpf stream) { long ret=-1; HANDLE hFile = NULL; if (stream!=NULL) hFile = ((WIN32FILE_IOWIN*)stream) -> hf; if (hFile != NULL) { - DWORD dwSet = SetFilePointer(hFile, 0, NULL, FILE_CURRENT); - if (dwSet == INVALID_SET_FILE_POINTER) + LARGE_INTEGER pos; + pos.QuadPart = 0; + + if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) { DWORD dwErr = GetLastError(); ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; ret = -1; } else - ret=(long)dwSet; + ret=(long)pos.LowPart; } return ret; } -long ZCALLBACK win32_seek_file_func (opaque, stream, offset, origin) - voidpf opaque; - voidpf stream; - uLong offset; - int origin; -{ +ZPOS64_T ZCALLBACK win32_tell64_file_func(voidpf opaque, voidpf stream) { + ZPOS64_T ret= (ZPOS64_T)-1; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream)->hf; + + if (hFile) + { + LARGE_INTEGER pos; + pos.QuadPart = 0; + + if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT)) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = (ZPOS64_T)-1; + } + else + ret=pos.QuadPart; + } + return ret; +} + + +long ZCALLBACK win32_seek_file_func(voidpf opaque, voidpf stream, uLong offset, int origin) { DWORD dwMoveMethod=0xFFFFFFFF; HANDLE hFile = NULL; @@ -211,8 +315,9 @@ long ZCALLBACK win32_seek_file_func (opaque, stream, offset, origin) if (hFile != NULL) { - DWORD dwSet = SetFilePointer(hFile, offset, NULL, dwMoveMethod); - if (dwSet == INVALID_SET_FILE_POINTER) + LARGE_INTEGER pos; + pos.QuadPart = offset; + if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) { DWORD dwErr = GetLastError(); ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; @@ -224,10 +329,45 @@ long ZCALLBACK win32_seek_file_func (opaque, stream, offset, origin) return ret; } -int ZCALLBACK win32_close_file_func (opaque, stream) - voidpf opaque; - voidpf stream; -{ +long ZCALLBACK win32_seek64_file_func(voidpf opaque, voidpf stream, ZPOS64_T offset, int origin) { + DWORD dwMoveMethod=0xFFFFFFFF; + HANDLE hFile = NULL; + long ret=-1; + + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream)->hf; + + switch (origin) + { + case ZLIB_FILEFUNC_SEEK_CUR : + dwMoveMethod = FILE_CURRENT; + break; + case ZLIB_FILEFUNC_SEEK_END : + dwMoveMethod = FILE_END; + break; + case ZLIB_FILEFUNC_SEEK_SET : + dwMoveMethod = FILE_BEGIN; + break; + default: return -1; + } + + if (hFile) + { + LARGE_INTEGER pos; + pos.QuadPart = offset; + if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod)) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = -1; + } + else + ret=0; + } + return ret; +} + +int ZCALLBACK win32_close_file_func(voidpf opaque, voidpf stream) { int ret=-1; if (stream!=NULL) @@ -244,10 +384,7 @@ int ZCALLBACK win32_close_file_func (opaque, stream) return ret; } -int ZCALLBACK win32_error_file_func (opaque, stream) - voidpf opaque; - voidpf stream; -{ +int ZCALLBACK win32_error_file_func(voidpf opaque, voidpf stream) { int ret=-1; if (stream!=NULL) { @@ -256,9 +393,7 @@ int ZCALLBACK win32_error_file_func (opaque, stream) return ret; } -void fill_win32_filefunc (pzlib_filefunc_def) - zlib_filefunc_def* pzlib_filefunc_def; -{ +void fill_win32_filefunc(zlib_filefunc_def* pzlib_filefunc_def) { pzlib_filefunc_def->zopen_file = win32_open_file_func; pzlib_filefunc_def->zread_file = win32_read_file_func; pzlib_filefunc_def->zwrite_file = win32_write_file_func; @@ -266,5 +401,40 @@ void fill_win32_filefunc (pzlib_filefunc_def) pzlib_filefunc_def->zseek_file = win32_seek_file_func; pzlib_filefunc_def->zclose_file = win32_close_file_func; pzlib_filefunc_def->zerror_file = win32_error_file_func; - pzlib_filefunc_def->opaque=NULL; + pzlib_filefunc_def->opaque = NULL; +} + +void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def) { + pzlib_filefunc_def->zopen64_file = win32_open64_file_func; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; + pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque = NULL; +} + + +void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def) { + pzlib_filefunc_def->zopen64_file = win32_open64_file_funcA; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; + pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque = NULL; +} + + +void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def) { + pzlib_filefunc_def->zopen64_file = win32_open64_file_funcW; + pzlib_filefunc_def->zread_file = win32_read_file_func; + pzlib_filefunc_def->zwrite_file = win32_write_file_func; + pzlib_filefunc_def->ztell64_file = win32_tell64_file_func; + pzlib_filefunc_def->zseek64_file = win32_seek64_file_func; + pzlib_filefunc_def->zclose_file = win32_close_file_func; + pzlib_filefunc_def->zerror_file = win32_error_file_func; + pzlib_filefunc_def->opaque = NULL; } diff --git a/zip_lib/iowin32.h b/zip_lib/iowin32.h index e9c5f8b9..69cb6549 100644 --- a/zip_lib/iowin32.h +++ b/zip_lib/iowin32.h @@ -1,10 +1,14 @@ /* iowin32.h -- IO base function header for compress/uncompress .zip - files using zlib + zip or unzip API - This IO API version uses the Win32 API (for Microsoft Windows) + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - Version 1.01e, February 12th, 2005 + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt - Copyright (C) 1998-2005 Gilles Vollant */ #include @@ -14,7 +18,10 @@ extern "C" { #endif -void fill_win32_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); +void fill_win32_filefunc(zlib_filefunc_def* pzlib_filefunc_def); +void fill_win32_filefunc64(zlib_filefunc64_def* pzlib_filefunc_def); +void fill_win32_filefunc64A(zlib_filefunc64_def* pzlib_filefunc_def); +void fill_win32_filefunc64W(zlib_filefunc64_def* pzlib_filefunc_def); #ifdef __cplusplus } diff --git a/zip_lib/mztools.c b/zip_lib/mztools.c index bc5c7982..9fdd0154 100644 --- a/zip_lib/mztools.c +++ b/zip_lib/mztools.c @@ -27,13 +27,7 @@ WRITE_16((unsigned char*)(buff) + 2, (n) >> 16); \ } while(0) -extern int ZEXPORT unzRepair(file, fileOut, fileOutTmp, nRecovered, bytesRecovered) -const char* file; -const char* fileOut; -const char* fileOutTmp; -uLong* nRecovered; -uLong* bytesRecovered; -{ +extern int ZEXPORT unzRepair(const char* file, const char* fileOut, const char* fileOutTmp, uLong* nRecovered, uLong* bytesRecovered) { int err = Z_OK; FILE* fpZip = fopen(file, "rb"); FILE* fpOut = fopen(fileOut, "wb"); @@ -42,7 +36,7 @@ uLong* bytesRecovered; int entries = 0; uLong totalBytes = 0; char header[30]; - char filename[256]; + char filename[1024]; char extra[1024]; int offset = 0; int offsetCD = 0; @@ -62,7 +56,7 @@ uLong* bytesRecovered; unsigned int fnsize = READ_16(header + 26); /* file name length */ unsigned int extsize = READ_16(header + 28); /* extra field length */ filename[0] = extra[0] = '\0'; - + /* Header */ if (fwrite(header, 1, 30, fpOut) == 30) { offset += 30; @@ -70,12 +64,17 @@ uLong* bytesRecovered; err = Z_ERRNO; break; } - + /* Filename */ if (fnsize > 0) { - if (fread(filename, 1, fnsize, fpZip) == fnsize) { - if (fwrite(filename, 1, fnsize, fpOut) == fnsize) { - offset += fnsize; + if (fnsize < sizeof(filename)) { + if (fread(filename, 1, fnsize, fpZip) == fnsize) { + if (fwrite(filename, 1, fnsize, fpOut) == fnsize) { + offset += fnsize; + } else { + err = Z_ERRNO; + break; + } } else { err = Z_ERRNO; break; @@ -91,9 +90,14 @@ uLong* bytesRecovered; /* Extra field */ if (extsize > 0) { - if (fread(extra, 1, extsize, fpZip) == extsize) { - if (fwrite(extra, 1, extsize, fpOut) == extsize) { - offset += extsize; + if (extsize < sizeof(extra)) { + if (fread(extra, 1, extsize, fpZip) == extsize) { + if (fwrite(extra, 1, extsize, fpOut) == extsize) { + offset += extsize; + } else { + err = Z_ERRNO; + break; + } } else { err = Z_ERRNO; break; @@ -103,7 +107,7 @@ uLong* bytesRecovered; break; } } - + /* Data */ { int dataSize = cpsize; @@ -133,7 +137,7 @@ uLong* bytesRecovered; } } } - + /* Central directory entry */ { char header[46]; @@ -159,7 +163,7 @@ uLong* bytesRecovered; /* Header */ if (fwrite(header, 1, 46, fpOutCD) == 46) { offsetCD += 46; - + /* Filename */ if (fnsize > 0) { if (fwrite(filename, 1, fnsize, fpOutCD) == fnsize) { @@ -172,7 +176,7 @@ uLong* bytesRecovered; err = Z_STREAM_ERROR; break; } - + /* Extra field */ if (extsize > 0) { if (fwrite(extra, 1, extsize, fpOutCD) == extsize) { @@ -182,7 +186,7 @@ uLong* bytesRecovered; break; } } - + /* Comment field */ if (comsize > 0) { if ((int)fwrite(comment, 1, comsize, fpOutCD) == comsize) { @@ -192,8 +196,8 @@ uLong* bytesRecovered; break; } } - - + + } else { err = Z_ERRNO; break; @@ -225,17 +229,17 @@ uLong* bytesRecovered; WRITE_32(header + 12, offsetCD); /* size of CD */ WRITE_32(header + 16, offset); /* offset to CD */ WRITE_16(header + 20, comsize); /* comment */ - + /* Header */ if (fwrite(header, 1, 22, fpOutCD) == 22) { - + /* Comment field */ if (comsize > 0) { if ((int)fwrite(comment, 1, comsize, fpOutCD) != comsize) { err = Z_ERRNO; } } - + } else { err = Z_ERRNO; } @@ -257,14 +261,14 @@ uLong* bytesRecovered; fclose(fpOutCD); } } - + /* Close */ fclose(fpZip); fclose(fpOut); - + /* Wipe temporary file */ (void)remove(fileOutTmp); - + /* Number of recovered entries */ if (err == Z_OK) { if (nRecovered != NULL) { diff --git a/zip_lib/mztools.h b/zip_lib/mztools.h index 82d1597a..bc9a87e2 100644 --- a/zip_lib/mztools.h +++ b/zip_lib/mztools.h @@ -17,15 +17,21 @@ extern "C" { #include "unzip.h" -/* Repair a ZIP file (missing central directory) +/* Repair a ZIP file (missing central directory) file: file to recover fileOut: output file after recovery fileOutTmp: temporary file name used for recovery */ -extern int ZEXPORT unzRepair(const char* file, - const char* fileOut, - const char* fileOutTmp, +extern int ZEXPORT unzRepair(const char* file, + const char* fileOut, + const char* fileOutTmp, uLong* nRecovered, uLong* bytesRecovered); + +#ifdef __cplusplus +} +#endif + + #endif diff --git a/zip_lib/unzip.c b/zip_lib/unzip.c index 3a706298..69f07fdf 100644 --- a/zip_lib/unzip.c +++ b/zip_lib/unzip.c @@ -1,50 +1,82 @@ /* unzip.c -- IO for uncompress .zip files using zlib - Version 1.01e, February 12th, 2005 + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - Copyright (C) 1998-2005 Gilles Vollant + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) - Read unzip.h for more info -*/ + 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 ) + + For more info read MiniZip_info.txt + + + ------------------------------------------------------------------------------------ + Decryption code comes from crypt.c by Info-ZIP but has been greatly reduced in terms of + compatibility with older software. The following is from the original crypt.c. + Code woven in by Terry Thorsen 1/2003. -/* Decryption code comes from crypt.c by Info-ZIP but has been greatly reduced in terms of -compatibility with older software. The following is from the original crypt.c. Code -woven in by Terry Thorsen 1/2003. -*/ -/* Copyright (c) 1990-2000 Info-ZIP. All rights reserved. See the accompanying file LICENSE, version 2000-Apr-09 or later (the contents of which are also included in zip.h) for terms of use. If, for some reason, all these files are missing, the Info-ZIP license also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html -*/ -/* - crypt.c (full version) by Info-ZIP. Last revised: [see crypt.h] + + crypt.c (full version) by Info-ZIP. Last revised: [see crypt.h] 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.) - */ -/* - This encryption code is a direct transcription of the algorithm from + 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). - */ + + ------------------------------------------------------------------------------------ + + Changes in unzip.c + + 2007-2008 - Even Rouault - Addition of cpl_unzGetCurrentFileZStreamPos + 2007-2008 - Even Rouault - Decoration of symbol names unz* -> cpl_unz* + 2007-2008 - Even Rouault - Remove old C style function prototypes + 2007-2008 - Even Rouault - Add unzip support for ZIP64 + + Copyright (C) 2007-2008 Even Rouault + + + Oct-2009 - Mathias Svensson - Removed cpl_* from symbol names (Even Rouault added them but since this is now moved to a new project (minizip64) I renamed them again). + Oct-2009 - Mathias Svensson - Fixed problem if uncompressed size was > 4G and compressed size was <4G + should only read the compressed/uncompressed size from the Zip64 format if + the size from normal header was 0xFFFFFFFF + Oct-2009 - Mathias Svensson - Applied some bug fixes from patches received from Gilles Vollant + Oct-2009 - Mathias Svensson - Applied support to unzip files with compression method BZIP2 (bzip2 lib is required) + Patch created by Daniel Borca + + Jan-2010 - back to unzip and minizip 1.0 name scheme, with compatibility layer + + Copyright (C) 1998 - 2010 Gilles Vollant, Even Rouault, Mathias Svensson + +*/ #include #include #include + +#ifndef NOUNCRYPT + #define NOUNCRYPT +#endif + #include "zlib.h" #include "unzip.h" #ifdef STDC # include -# include -# include #endif #ifdef NO_ERRNO_H extern int errno; @@ -77,24 +109,19 @@ woven in by Terry Thorsen 1/2003. #ifndef ALLOC # define ALLOC(size) (malloc(size)) #endif -#ifndef TRYFREE -# define TRYFREE(p) {if (p) free(p);} -#endif #define SIZECENTRALDIRITEM (0x2e) #define SIZEZIPLOCALHEADER (0x1e) - - const char unz_copyright[] = " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; /* unz_file_info_interntal contain internal info about a file in zipfile*/ -typedef struct unz_file_info_internal_s +typedef struct unz_file_info64_internal_s { - uLong offset_curfile;/* relative offset of local header 4 bytes */ -} unz_file_info_internal; + ZPOS64_T offset_curfile;/* relative offset of local header 8 bytes */ +} unz_file_info64_internal; /* file_in_zip_read_info_s contain internal information about a file in zipfile, @@ -104,85 +131,106 @@ typedef struct char *read_buffer; /* internal buffer for compressed data */ z_stream stream; /* zLib stream structure for inflate */ - uLong pos_in_zipfile; /* position in byte on the zipfile, for fseek*/ +#ifdef HAVE_BZIP2 + bz_stream bstream; /* bzLib stream structure for bziped */ +#endif + + ZPOS64_T pos_in_zipfile; /* position in byte on the zipfile, for fseek*/ uLong stream_initialised; /* flag set if stream structure is initialised*/ - uLong offset_local_extrafield;/* offset of the local extra field */ + ZPOS64_T offset_local_extrafield;/* offset of the local extra field */ uInt size_local_extrafield;/* size of the local extra field */ - uLong pos_local_extrafield; /* position in the local extra field in read*/ + ZPOS64_T pos_local_extrafield; /* position in the local extra field in read*/ + ZPOS64_T total_out_64; uLong crc32; /* crc32 of all data uncompressed */ uLong crc32_wait; /* crc32 we must obtain after decompress all */ - uLong rest_read_compressed; /* number of byte to be decompressed */ - uLong rest_read_uncompressed;/*number of byte to be obtained after decomp*/ - zlib_filefunc_def z_filefunc; - voidpf filestream; /* io structore of the zipfile */ + ZPOS64_T rest_read_compressed; /* number of byte to be decompressed */ + ZPOS64_T rest_read_uncompressed;/*number of byte to be obtained after decomp*/ + zlib_filefunc64_32_def z_filefunc; + voidpf filestream; /* io structure of the zipfile */ uLong compression_method; /* compression method (0==store) */ - uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ + ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ int raw; -} file_in_zip_read_info_s; +} file_in_zip64_read_info_s; -/* unz_s contain internal information about the zipfile +/* unz64_s contain internal information about the zipfile */ typedef struct { - zlib_filefunc_def z_filefunc; - voidpf filestream; /* io structore of the zipfile */ - unz_global_info gi; /* public global information */ - uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ - uLong num_file; /* number of the current file in the zipfile*/ - uLong pos_in_central_dir; /* pos of the current file in the central dir*/ - uLong current_file_ok; /* flag about the usability of the current file*/ - uLong central_pos; /* position of the beginning of the central dir*/ + zlib_filefunc64_32_def z_filefunc; + int is64bitOpenFunction; + voidpf filestream; /* io structure of the zipfile */ + unz_global_info64 gi; /* public global information */ + ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ + ZPOS64_T num_file; /* number of the current file in the zipfile*/ + ZPOS64_T pos_in_central_dir; /* pos of the current file in the central dir*/ + ZPOS64_T current_file_ok; /* flag about the usability of the current file*/ + ZPOS64_T central_pos; /* position of the beginning of the central dir*/ - uLong size_central_dir; /* size of the central directory */ - uLong offset_central_dir; /* offset of start of central directory with + ZPOS64_T size_central_dir; /* size of the central directory */ + ZPOS64_T offset_central_dir; /* offset of start of central directory with respect to the starting disk number */ - unz_file_info cur_file_info; /* public info about the current file in zip*/ - unz_file_info_internal cur_file_info_internal; /* private info about it*/ - file_in_zip_read_info_s* pfile_in_zip_read; /* structure about the current + unz_file_info64 cur_file_info; /* public info about the current file in zip*/ + unz_file_info64_internal cur_file_info_internal; /* private info about it*/ + file_in_zip64_read_info_s* pfile_in_zip_read; /* structure about the current file if we are decompressing it */ int encrypted; + + int isZip64; + # ifndef NOUNCRYPT unsigned long keys[3]; /* keys defining the pseudo-random sequence */ - const unsigned long* pcrc_32_tab; + const z_crc_t* pcrc_32_tab; # endif -} unz_s; +} unz64_s; #ifndef NOUNCRYPT #include "crypt.h" #endif + /* =========================================================================== - Read a byte from a gz_stream; update next_in and avail_in. Return EOF - for end of file. - IN assertion: the stream s has been sucessfully opened for reading. + Reads a long in LSB order from the given gz_stream. Sets */ - -local int unzlocal_getByte OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, - int *pi)); - -local int unzlocal_getByte(pzlib_filefunc_def,filestream,pi) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - int *pi; -{ - unsigned char c; - int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1); - if (err==1) +local int unz64local_getShort(const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX) { + unsigned char c[2]; + int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,c,2); + if (err==2) { - *pi = (int)c; + *pX = c[0] | ((uLong)c[1] << 8); return UNZ_OK; } else { - if (ZERROR(*pzlib_filefunc_def,filestream)) + *pX = 0; + if (ZERROR64(*pzlib_filefunc_def,filestream)) + return UNZ_ERRNO; + else + return UNZ_EOF; + } +} + +local int unz64local_getLong(const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX) { + unsigned char c[4]; + int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,c,4); + if (err==4) + { + *pX = c[0] | ((uLong)c[1] << 8) | ((uLong)c[2] << 16) | ((uLong)c[3] << 24); + return UNZ_OK; + } + else + { + *pX = 0; + if (ZERROR64(*pzlib_filefunc_def,filestream)) return UNZ_ERRNO; else return UNZ_EOF; @@ -190,79 +238,29 @@ local int unzlocal_getByte(pzlib_filefunc_def,filestream,pi) } -/* =========================================================================== - Reads a long in LSB order from the given gz_stream. Sets -*/ -local int unzlocal_getShort OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, - uLong *pX)); - -local int unzlocal_getShort (pzlib_filefunc_def,filestream,pX) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - uLong *pX; -{ - uLong x ; - int i; - int err; - - err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); - x = (uLong)i; - - if (err==UNZ_OK) - err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<8; - - if (err==UNZ_OK) - *pX = x; +local int unz64local_getLong64(const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream, + ZPOS64_T *pX) { + unsigned char c[8]; + int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,c,8); + if (err==8) + { + *pX = c[0] | ((ZPOS64_T)c[1] << 8) | ((ZPOS64_T)c[2] << 16) | ((ZPOS64_T)c[3] << 24) + | ((ZPOS64_T)c[4] << 32) | ((ZPOS64_T)c[5] << 40) | ((ZPOS64_T)c[6] << 48) | ((ZPOS64_T)c[7] << 56); + return UNZ_OK; + } else + { *pX = 0; - return err; + if (ZERROR64(*pzlib_filefunc_def,filestream)) + return UNZ_ERRNO; + else + return UNZ_EOF; + } } -local int unzlocal_getLong OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, - uLong *pX)); - -local int unzlocal_getLong (pzlib_filefunc_def,filestream,pX) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - uLong *pX; -{ - uLong x ; - int i; - int err; - - err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); - x = (uLong)i; - - if (err==UNZ_OK) - err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<8; - - if (err==UNZ_OK) - err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<16; - - if (err==UNZ_OK) - err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<24; - - if (err==UNZ_OK) - *pX = x; - else - *pX = 0; - return err; -} - - /* My own strcmpi / strcasecmp */ -local int strcmpcasenosensitive_internal (fileName1,fileName2) - const char* fileName1; - const char* fileName2; -{ +local int strcmpcasenosensitive_internal(const char* fileName1, const char* fileName2) { for (;;) { char c1=*(fileName1++); @@ -294,19 +292,17 @@ local int strcmpcasenosensitive_internal (fileName1,fileName2) #endif /* - Compare two filename (fileName1,fileName2). - If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) - If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi + Compare two filenames (fileName1,fileName2). + If iCaseSensitivity = 1, comparison is case sensitive (like strcmp) + If iCaseSensitivity = 2, comparison is not case sensitive (like strcmpi or strcasecmp) - If iCaseSenisivity = 0, case sensitivity is defaut of your operating system + If iCaseSensitivity = 0, case sensitivity is default of your operating system (like 1 on Unix, 2 on Windows) */ -extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivity) - const char* fileName1; - const char* fileName2; - int iCaseSensitivity; -{ +extern int ZEXPORT unzStringFileNameCompare (const char* fileName1, + const char* fileName2, + int iCaseSensitivity) { if (iCaseSensitivity==0) iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE; @@ -320,41 +316,39 @@ extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivit #define BUFREADCOMMENT (0x400) #endif +#ifndef CENTRALDIRINVALID +#define CENTRALDIRINVALID ((ZPOS64_T)(-1)) +#endif + /* Locate the Central directory of a zipfile (at the end, just before the global comment) */ -local uLong unzlocal_SearchCentralDir OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream)); - -local uLong unzlocal_SearchCentralDir(pzlib_filefunc_def,filestream) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; -{ +local ZPOS64_T unz64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) { unsigned char* buf; - uLong uSizeFile; - uLong uBackRead; - uLong uMaxBack=0xffff; /* maximum size of global comment */ - uLong uPosFound=0; + ZPOS64_T uSizeFile; + ZPOS64_T uBackRead; + ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */ + ZPOS64_T uPosFound=CENTRALDIRINVALID; - if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) - return 0; + if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) + return CENTRALDIRINVALID; - uSizeFile = ZTELL(*pzlib_filefunc_def,filestream); + uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream); if (uMaxBack>uSizeFile) uMaxBack = uSizeFile; buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); if (buf==NULL) - return 0; + return CENTRALDIRINVALID; uBackRead = 4; while (uBackReaduMaxBack) uBackRead = uMaxBack; @@ -363,28 +357,129 @@ local uLong unzlocal_SearchCentralDir(pzlib_filefunc_def,filestream) uReadPos = uSizeFile-uBackRead ; uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? - (BUFREADCOMMENT+4) : (uSizeFile-uReadPos); - if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) + (BUFREADCOMMENT+4) : (uLong)(uSizeFile-uReadPos); + if (ZSEEK64(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) break; - if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) + if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) break; for (i=(int)uReadSize-3; (i--)>0;) if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) { - uPosFound = uReadPos+i; + uPosFound = uReadPos+(unsigned)i; break; } - if (uPosFound!=0) + if (uPosFound!=CENTRALDIRINVALID) break; } - TRYFREE(buf); + free(buf); return uPosFound; } + +/* + Locate the Central directory 64 of a zipfile (at the end, just before + the global comment) +*/ +local ZPOS64_T unz64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib_filefunc_def, + voidpf filestream) { + unsigned char* buf; + ZPOS64_T uSizeFile; + ZPOS64_T uBackRead; + ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */ + ZPOS64_T uPosFound=CENTRALDIRINVALID; + uLong uL; + ZPOS64_T relativeOffset; + + if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) + return CENTRALDIRINVALID; + + + uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream); + + if (uMaxBack>uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); + if (buf==NULL) + return CENTRALDIRINVALID; + + uBackRead = 4; + while (uBackReaduMaxBack) + uBackRead = uMaxBack; + else + uBackRead+=BUFREADCOMMENT; + uReadPos = uSizeFile-uBackRead ; + + uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? + (BUFREADCOMMENT+4) : (uLong)(uSizeFile-uReadPos); + if (ZSEEK64(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) + break; + + if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) + break; + + for (i=(int)uReadSize-3; (i--)>0;) + if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && + ((*(buf+i+2))==0x06) && ((*(buf+i+3))==0x07)) + { + uPosFound = uReadPos+(unsigned)i; + break; + } + + if (uPosFound!=CENTRALDIRINVALID) + break; + } + free(buf); + if (uPosFound == CENTRALDIRINVALID) + return CENTRALDIRINVALID; + + /* Zip64 end of central directory locator */ + if (ZSEEK64(*pzlib_filefunc_def,filestream, uPosFound,ZLIB_FILEFUNC_SEEK_SET)!=0) + return CENTRALDIRINVALID; + + /* the signature, already checked */ + if (unz64local_getLong(pzlib_filefunc_def,filestream,&uL)!=UNZ_OK) + return CENTRALDIRINVALID; + + /* number of the disk with the start of the zip64 end of central directory */ + if (unz64local_getLong(pzlib_filefunc_def,filestream,&uL)!=UNZ_OK) + return CENTRALDIRINVALID; + if (uL != 0) + return CENTRALDIRINVALID; + + /* relative offset of the zip64 end of central directory record */ + if (unz64local_getLong64(pzlib_filefunc_def,filestream,&relativeOffset)!=UNZ_OK) + return CENTRALDIRINVALID; + + /* total number of disks */ + if (unz64local_getLong(pzlib_filefunc_def,filestream,&uL)!=UNZ_OK) + return CENTRALDIRINVALID; + if (uL != 1) + return CENTRALDIRINVALID; + + /* Goto end of central directory record */ + if (ZSEEK64(*pzlib_filefunc_def,filestream, relativeOffset,ZLIB_FILEFUNC_SEEK_SET)!=0) + return CENTRALDIRINVALID; + + /* the signature */ + if (unz64local_getLong(pzlib_filefunc_def,filestream,&uL)!=UNZ_OK) + return CENTRALDIRINVALID; + + if (uL != 0x06064b50) + return CENTRALDIRINVALID; + + return relativeOffset; +} + /* Open a Zip file. path contain the full pathname (by example, on a Windows NT computer "c:\\test\\zlib114.zip" or on an Unix computer @@ -394,19 +489,19 @@ local uLong unzlocal_SearchCentralDir(pzlib_filefunc_def,filestream) Else, the return value is a unzFile Handle, usable with other function of this unzip package. */ -extern unzFile ZEXPORT unzOpen2 (path, pzlib_filefunc_def) - const char *path; - zlib_filefunc_def* pzlib_filefunc_def; -{ - unz_s us; - unz_s *s; - uLong central_pos,uL; +local unzFile unzOpenInternal(const void *path, + zlib_filefunc64_32_def* pzlib_filefunc64_32_def, + int is64bitOpenFunction) { + unz64_s us; + unz64_s *s; + ZPOS64_T central_pos; + uLong uL; uLong number_disk; /* number of the current dist, used for - spaning ZIP, unsupported, always 0*/ + spanning ZIP, unsupported, always 0*/ uLong number_disk_with_CD; /* number the the disk with central dir, used - for spaning ZIP, unsupported, always 0*/ - uLong number_entry_CD; /* total number of entries in + for spanning ZIP, unsupported, always 0*/ + ZPOS64_T number_entry_CD; /* total number of entries in the central dir (same than number_entry on nospan) */ @@ -415,63 +510,137 @@ extern unzFile ZEXPORT unzOpen2 (path, pzlib_filefunc_def) if (unz_copyright[0]!=' ') return NULL; - if (pzlib_filefunc_def==NULL) - fill_fopen_filefunc(&us.z_filefunc); + us.z_filefunc.zseek32_file = NULL; + us.z_filefunc.ztell32_file = NULL; + if (pzlib_filefunc64_32_def==NULL) + fill_fopen64_filefunc(&us.z_filefunc.zfile_func64); else - us.z_filefunc = *pzlib_filefunc_def; + us.z_filefunc = *pzlib_filefunc64_32_def; + us.is64bitOpenFunction = is64bitOpenFunction; - us.filestream= (*(us.z_filefunc.zopen_file))(us.z_filefunc.opaque, + + + us.filestream = ZOPEN64(us.z_filefunc, path, ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_EXISTING); if (us.filestream==NULL) return NULL; - central_pos = unzlocal_SearchCentralDir(&us.z_filefunc,us.filestream); - if (central_pos==0) - err=UNZ_ERRNO; + central_pos = unz64local_SearchCentralDir64(&us.z_filefunc,us.filestream); + if (central_pos!=CENTRALDIRINVALID) + { + uLong uS; + ZPOS64_T uL64; - if (ZSEEK(us.z_filefunc, us.filestream, + us.isZip64 = 1; + + if (ZSEEK64(us.z_filefunc, us.filestream, central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) err=UNZ_ERRNO; - /* the signature, already checked */ - if (unzlocal_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) - err=UNZ_ERRNO; + /* the signature, already checked */ + if (unz64local_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; - /* number of this disk */ - if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK) - err=UNZ_ERRNO; + /* size of zip64 end of central directory record */ + if (unz64local_getLong64(&us.z_filefunc, us.filestream,&uL64)!=UNZ_OK) + err=UNZ_ERRNO; - /* number of the disk with the start of the central directory */ - if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK) - err=UNZ_ERRNO; + /* version made by */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&uS)!=UNZ_OK) + err=UNZ_ERRNO; - /* total number of entries in the central dir on this disk */ - if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.number_entry)!=UNZ_OK) - err=UNZ_ERRNO; + /* version needed to extract */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&uS)!=UNZ_OK) + err=UNZ_ERRNO; - /* total number of entries in the central dir */ - if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_entry_CD)!=UNZ_OK) - err=UNZ_ERRNO; + /* number of this disk */ + if (unz64local_getLong(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK) + err=UNZ_ERRNO; - if ((number_entry_CD!=us.gi.number_entry) || - (number_disk_with_CD!=0) || - (number_disk!=0)) - err=UNZ_BADZIPFILE; + /* number of the disk with the start of the central directory */ + if (unz64local_getLong(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK) + err=UNZ_ERRNO; - /* size of the central directory */ - if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.size_central_dir)!=UNZ_OK) - err=UNZ_ERRNO; + /* total number of entries in the central directory on this disk */ + if (unz64local_getLong64(&us.z_filefunc, us.filestream,&us.gi.number_entry)!=UNZ_OK) + err=UNZ_ERRNO; - /* offset of start of central directory with respect to the + /* total number of entries in the central directory */ + if (unz64local_getLong64(&us.z_filefunc, us.filestream,&number_entry_CD)!=UNZ_OK) + err=UNZ_ERRNO; + + if ((number_entry_CD!=us.gi.number_entry) || + (number_disk_with_CD!=0) || + (number_disk!=0)) + err=UNZ_BADZIPFILE; + + /* size of the central directory */ + if (unz64local_getLong64(&us.z_filefunc, us.filestream,&us.size_central_dir)!=UNZ_OK) + err=UNZ_ERRNO; + + /* offset of start of central directory with respect to the starting disk number */ - if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.offset_central_dir)!=UNZ_OK) - err=UNZ_ERRNO; + if (unz64local_getLong64(&us.z_filefunc, us.filestream,&us.offset_central_dir)!=UNZ_OK) + err=UNZ_ERRNO; - /* zipfile comment length */ - if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.size_comment)!=UNZ_OK) - err=UNZ_ERRNO; + us.gi.size_comment = 0; + } + else + { + central_pos = unz64local_SearchCentralDir(&us.z_filefunc,us.filestream); + if (central_pos==CENTRALDIRINVALID) + err=UNZ_ERRNO; + + us.isZip64 = 0; + + if (ZSEEK64(us.z_filefunc, us.filestream, + central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) + err=UNZ_ERRNO; + + /* the signature, already checked */ + if (unz64local_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; + + /* number of this disk */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK) + err=UNZ_ERRNO; + + /* number of the disk with the start of the central directory */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK) + err=UNZ_ERRNO; + + /* total number of entries in the central dir on this disk */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; + us.gi.number_entry = uL; + + /* total number of entries in the central dir */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; + number_entry_CD = uL; + + if ((number_entry_CD!=us.gi.number_entry) || + (number_disk_with_CD!=0) || + (number_disk!=0)) + err=UNZ_BADZIPFILE; + + /* size of the central directory */ + if (unz64local_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; + us.size_central_dir = uL; + + /* offset of start of central directory with respect to the + starting disk number */ + if (unz64local_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK) + err=UNZ_ERRNO; + us.offset_central_dir = uL; + + /* zipfile comment length */ + if (unz64local_getShort(&us.z_filefunc, us.filestream,&us.gi.size_comment)!=UNZ_OK) + err=UNZ_ERRNO; + } if ((central_pospfile_in_zip_read!=NULL) unzCloseCurrentFile(file); - ZCLOSE(s->z_filefunc, s->filestream); - TRYFREE(s); + ZCLOSE64(s->z_filefunc, s->filestream); + free(s); return UNZ_OK; } @@ -529,78 +727,65 @@ extern int ZEXPORT unzClose (file) 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. */ -extern int ZEXPORT unzGetGlobalInfo (file,pglobal_info) - unzFile file; - unz_global_info *pglobal_info; -{ - unz_s* s; +extern int ZEXPORT unzGetGlobalInfo64(unzFile file, unz_global_info64* pglobal_info) { + unz64_s* s; if (file==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; *pglobal_info=s->gi; return UNZ_OK; } - +extern int ZEXPORT unzGetGlobalInfo(unzFile file, unz_global_info* pglobal_info32) { + unz64_s* s; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz64_s*)file; + /* to do : check if number_entry is not truncated */ + pglobal_info32->number_entry = (uLong)s->gi.number_entry; + pglobal_info32->size_comment = s->gi.size_comment; + return UNZ_OK; +} /* - Translate date/time from Dos format to tm_unz (readable more easilty) + Translate date/time from Dos format to tm_unz (readable more easily) */ -local void unzlocal_DosDateToTmuDate (ulDosDate, ptm) - uLong ulDosDate; - tm_unz* ptm; -{ - uLong uDate; - uDate = (uLong)(ulDosDate>>16); - ptm->tm_mday = (uInt)(uDate&0x1f) ; - ptm->tm_mon = (uInt)((((uDate)&0x1E0)/0x20)-1) ; - ptm->tm_year = (uInt)(((uDate&0x0FE00)/0x0200)+1980) ; +local void unz64local_DosDateToTmuDate(ZPOS64_T ulDosDate, tm_unz* ptm) { + ZPOS64_T uDate; + uDate = (ZPOS64_T)(ulDosDate>>16); + ptm->tm_mday = (int)(uDate&0x1f) ; + ptm->tm_mon = (int)((((uDate)&0x1E0)/0x20)-1) ; + ptm->tm_year = (int)(((uDate&0x0FE00)/0x0200)+1980) ; - ptm->tm_hour = (uInt) ((ulDosDate &0xF800)/0x800); - ptm->tm_min = (uInt) ((ulDosDate&0x7E0)/0x20) ; - ptm->tm_sec = (uInt) (2*(ulDosDate&0x1f)) ; + ptm->tm_hour = (int) ((ulDosDate &0xF800)/0x800); + ptm->tm_min = (int) ((ulDosDate&0x7E0)/0x20) ; + ptm->tm_sec = (int) (2*(ulDosDate&0x1f)) ; } /* Get Info about the current file in the zipfile, with internal only info */ -local int unzlocal_GetCurrentFileInfoInternal OF((unzFile file, - unz_file_info *pfile_info, - unz_file_info_internal - *pfile_info_internal, - char *szFileName, - uLong fileNameBufferSize, - void *extraField, - uLong extraFieldBufferSize, - char *szComment, - uLong commentBufferSize)); - -local int unzlocal_GetCurrentFileInfoInternal (file, - pfile_info, - pfile_info_internal, - szFileName, fileNameBufferSize, - extraField, extraFieldBufferSize, - szComment, commentBufferSize) - unzFile file; - unz_file_info *pfile_info; - unz_file_info_internal *pfile_info_internal; - char *szFileName; - uLong fileNameBufferSize; - void *extraField; - uLong extraFieldBufferSize; - char *szComment; - uLong commentBufferSize; -{ - unz_s* s; - unz_file_info file_info; - unz_file_info_internal file_info_internal; +local int unz64local_GetCurrentFileInfoInternal(unzFile file, + unz_file_info64 *pfile_info, + unz_file_info64_internal + *pfile_info_internal, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize) { + unz64_s* s; + unz_file_info64 file_info; + unz_file_info64_internal file_info_internal; int err=UNZ_OK; uLong uMagic; long lSeek=0; + uLong uL; if (file==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; - if (ZSEEK(s->z_filefunc, s->filestream, + s=(unz64_s*)file; + if (ZSEEK64(s->z_filefunc, s->filestream, s->pos_in_central_dir+s->byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET)!=0) err=UNZ_ERRNO; @@ -608,57 +793,63 @@ local int unzlocal_GetCurrentFileInfoInternal (file, /* we check the magic */ if (err==UNZ_OK) - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK) + { + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK) err=UNZ_ERRNO; else if (uMagic!=0x02014b50) err=UNZ_BADZIPFILE; + } - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.version) != UNZ_OK) err=UNZ_ERRNO; - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version_needed) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.version_needed) != UNZ_OK) err=UNZ_ERRNO; - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.flag) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.flag) != UNZ_OK) err=UNZ_ERRNO; - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.compression_method) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.compression_method) != UNZ_OK) err=UNZ_ERRNO; - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.dosDate) != UNZ_OK) + if (unz64local_getLong(&s->z_filefunc, s->filestream,&file_info.dosDate) != UNZ_OK) err=UNZ_ERRNO; - unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date); + unz64local_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date); - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.crc) != UNZ_OK) + if (unz64local_getLong(&s->z_filefunc, s->filestream,&file_info.crc) != UNZ_OK) err=UNZ_ERRNO; - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK) + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uL) != UNZ_OK) + err=UNZ_ERRNO; + file_info.compressed_size = uL; + + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uL) != UNZ_OK) + err=UNZ_ERRNO; + file_info.uncompressed_size = uL; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.size_filename) != UNZ_OK) err=UNZ_ERRNO; - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_extra) != UNZ_OK) err=UNZ_ERRNO; - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_filename) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_comment) != UNZ_OK) err=UNZ_ERRNO; - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_extra) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.disk_num_start) != UNZ_OK) err=UNZ_ERRNO; - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_comment) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&file_info.internal_fa) != UNZ_OK) err=UNZ_ERRNO; - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.disk_num_start) != UNZ_OK) + if (unz64local_getLong(&s->z_filefunc, s->filestream,&file_info.external_fa) != UNZ_OK) err=UNZ_ERRNO; - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.internal_fa) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.external_fa) != UNZ_OK) - err=UNZ_ERRNO; - - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK) + // relative offset of local header + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uL) != UNZ_OK) err=UNZ_ERRNO; + file_info_internal.offset_curfile = uL; lSeek+=file_info.size_filename; if ((err==UNZ_OK) && (szFileName!=NULL)) @@ -673,34 +864,104 @@ local int unzlocal_GetCurrentFileInfoInternal (file, uSizeRead = fileNameBufferSize; if ((file_info.size_filename>0) && (fileNameBufferSize>0)) - if (ZREAD(s->z_filefunc, s->filestream,szFileName,uSizeRead)!=uSizeRead) + if (ZREAD64(s->z_filefunc, s->filestream,szFileName,uSizeRead)!=uSizeRead) err=UNZ_ERRNO; lSeek -= uSizeRead; } - + // Read extrafield if ((err==UNZ_OK) && (extraField!=NULL)) { - uLong uSizeRead ; + ZPOS64_T uSizeRead ; if (file_info.size_file_extraz_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + { + if (ZSEEK64(s->z_filefunc, s->filestream,(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) lSeek=0; else err=UNZ_ERRNO; + } + if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0)) - if (ZREAD(s->z_filefunc, s->filestream,extraField,uSizeRead)!=uSizeRead) + if (ZREAD64(s->z_filefunc, s->filestream,extraField,(uLong)uSizeRead)!=uSizeRead) err=UNZ_ERRNO; - lSeek += file_info.size_file_extra - uSizeRead; + + lSeek += file_info.size_file_extra - (uLong)uSizeRead; } else - lSeek+=file_info.size_file_extra; + lSeek += file_info.size_file_extra; + if ((err==UNZ_OK) && (file_info.size_file_extra != 0)) + { + uLong acc = 0; + + // since lSeek now points to after the extra field we need to move back + lSeek -= file_info.size_file_extra; + + if (lSeek!=0) + { + if (ZSEEK64(s->z_filefunc, s->filestream,(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + lSeek=0; + else + err=UNZ_ERRNO; + } + + while(acc < file_info.size_file_extra) + { + uLong headerId; + uLong dataSize; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&headerId) != UNZ_OK) + err=UNZ_ERRNO; + + if (unz64local_getShort(&s->z_filefunc, s->filestream,&dataSize) != UNZ_OK) + err=UNZ_ERRNO; + + /* ZIP64 extra fields */ + if (headerId == 0x0001) + { + if(file_info.uncompressed_size == MAXU32) + { + if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK) + err=UNZ_ERRNO; + } + + if(file_info.compressed_size == MAXU32) + { + if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK) + err=UNZ_ERRNO; + } + + if(file_info_internal.offset_curfile == MAXU32) + { + /* Relative Header offset */ + if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK) + err=UNZ_ERRNO; + } + + if(file_info.disk_num_start == 0xffff) + { + /* Disk Start Number */ + if (unz64local_getLong(&s->z_filefunc, s->filestream,&file_info.disk_num_start) != UNZ_OK) + err=UNZ_ERRNO; + } + + } + else + { + if (ZSEEK64(s->z_filefunc, s->filestream,dataSize,ZLIB_FILEFUNC_SEEK_CUR)!=0) + err=UNZ_ERRNO; + } + + acc += 2 + 2 + dataSize; + } + } + if ((err==UNZ_OK) && (szComment!=NULL)) { uLong uSizeRead ; @@ -713,18 +974,22 @@ local int unzlocal_GetCurrentFileInfoInternal (file, uSizeRead = commentBufferSize; if (lSeek!=0) - if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) + { + if (ZSEEK64(s->z_filefunc, s->filestream,(ZPOS64_T)lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0) lSeek=0; else err=UNZ_ERRNO; + } + if ((file_info.size_file_comment>0) && (commentBufferSize>0)) - if (ZREAD(s->z_filefunc, s->filestream,szComment,uSizeRead)!=uSizeRead) + if (ZREAD64(s->z_filefunc, s->filestream,szComment,uSizeRead)!=uSizeRead) err=UNZ_ERRNO; lSeek+=file_info.size_file_comment - uSizeRead; } else lSeek+=file_info.size_file_comment; + if ((err==UNZ_OK) && (pfile_info!=NULL)) *pfile_info=file_info; @@ -741,41 +1006,67 @@ local int unzlocal_GetCurrentFileInfoInternal (file, No preparation of the structure is needed return UNZ_OK if there is no problem. */ -extern int ZEXPORT unzGetCurrentFileInfo (file, - pfile_info, - szFileName, fileNameBufferSize, - extraField, extraFieldBufferSize, - szComment, commentBufferSize) - unzFile file; - unz_file_info *pfile_info; - char *szFileName; - uLong fileNameBufferSize; - void *extraField; - uLong extraFieldBufferSize; - char *szComment; - uLong commentBufferSize; -{ - return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL, +extern int ZEXPORT unzGetCurrentFileInfo64(unzFile file, + unz_file_info64 * pfile_info, + char * szFileName, uLong fileNameBufferSize, + void *extraField, uLong extraFieldBufferSize, + char* szComment, uLong commentBufferSize) { + return unz64local_GetCurrentFileInfoInternal(file,pfile_info,NULL, + szFileName,fileNameBufferSize, + extraField,extraFieldBufferSize, + szComment,commentBufferSize); +} + +extern int ZEXPORT unzGetCurrentFileInfo(unzFile file, + unz_file_info * pfile_info, + char * szFileName, uLong fileNameBufferSize, + void *extraField, uLong extraFieldBufferSize, + char* szComment, uLong commentBufferSize) { + int err; + unz_file_info64 file_info64; + err = unz64local_GetCurrentFileInfoInternal(file,&file_info64,NULL, szFileName,fileNameBufferSize, extraField,extraFieldBufferSize, szComment,commentBufferSize); -} + if ((err==UNZ_OK) && (pfile_info != NULL)) + { + pfile_info->version = file_info64.version; + pfile_info->version_needed = file_info64.version_needed; + pfile_info->flag = file_info64.flag; + pfile_info->compression_method = file_info64.compression_method; + pfile_info->dosDate = file_info64.dosDate; + pfile_info->crc = file_info64.crc; + pfile_info->size_filename = file_info64.size_filename; + pfile_info->size_file_extra = file_info64.size_file_extra; + pfile_info->size_file_comment = file_info64.size_file_comment; + + pfile_info->disk_num_start = file_info64.disk_num_start; + pfile_info->internal_fa = file_info64.internal_fa; + pfile_info->external_fa = file_info64.external_fa; + + pfile_info->tmu_date = file_info64.tmu_date; + + + pfile_info->compressed_size = (uLong)file_info64.compressed_size; + pfile_info->uncompressed_size = (uLong)file_info64.uncompressed_size; + + } + return err; +} /* Set the current file of the zipfile to the first file. return UNZ_OK if there is no problem */ -extern int ZEXPORT unzGoToFirstFile (file) - unzFile file; -{ +extern int ZEXPORT unzGoToFirstFile(unzFile file) { int err=UNZ_OK; - unz_s* s; + unz64_s* s; if (file==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; s->pos_in_central_dir=s->offset_central_dir; s->num_file=0; - err=unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, + err=unz64local_GetCurrentFileInfoInternal(file,&s->cur_file_info, &s->cur_file_info_internal, NULL,0,NULL,0,NULL,0); s->current_file_ok = (err == UNZ_OK); @@ -787,15 +1078,13 @@ extern int ZEXPORT unzGoToFirstFile (file) return UNZ_OK if there is no problem return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. */ -extern int ZEXPORT unzGoToNextFile (file) - unzFile file; -{ - unz_s* s; +extern int ZEXPORT unzGoToNextFile(unzFile file) { + unz64_s* s; int err; if (file==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; if (!s->current_file_ok) return UNZ_END_OF_LIST_OF_FILE; if (s->gi.number_entry != 0xffff) /* 2^16 files overflow hack */ @@ -805,7 +1094,7 @@ extern int ZEXPORT unzGoToNextFile (file) s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename + s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ; s->num_file++; - err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, + err = unz64local_GetCurrentFileInfoInternal(file,&s->cur_file_info, &s->cur_file_info_internal, NULL,0,NULL,0,NULL,0); s->current_file_ok = (err == UNZ_OK); @@ -815,27 +1104,23 @@ extern int ZEXPORT unzGoToNextFile (file) /* Try locate the file szFileName in the zipfile. - For the iCaseSensitivity signification, see unzipStringFileNameCompare + 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 */ -extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity) - unzFile file; - const char *szFileName; - int iCaseSensitivity; -{ - unz_s* s; +extern int ZEXPORT unzLocateFile(unzFile file, const char *szFileName, int iCaseSensitivity) { + unz64_s* s; int err; /* We remember the 'current' position in the file so that we can jump * back there if we fail. */ - unz_file_info cur_file_infoSaved; - unz_file_info_internal cur_file_info_internalSaved; - uLong num_fileSaved; - uLong pos_in_central_dirSaved; + unz_file_info64 cur_file_infoSaved; + unz_file_info64_internal cur_file_info_internalSaved; + ZPOS64_T num_fileSaved; + ZPOS64_T pos_in_central_dirSaved; if (file==NULL) @@ -844,7 +1129,7 @@ extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity) if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; if (!s->current_file_ok) return UNZ_END_OF_LIST_OF_FILE; @@ -859,7 +1144,7 @@ extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity) while (err == UNZ_OK) { char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1]; - err = unzGetCurrentFileInfo(file,NULL, + err = unzGetCurrentFileInfo64(file,NULL, szCurrentFileName,sizeof(szCurrentFileName)-1, NULL,0,NULL,0); if (err == UNZ_OK) @@ -895,20 +1180,17 @@ extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity) /* typedef struct unz_file_pos_s { - uLong pos_in_zip_directory; // offset in file - uLong num_of_file; // # of file + ZPOS64_T pos_in_zip_directory; // offset in file + ZPOS64_T num_of_file; // # of file } unz_file_pos; */ -extern int ZEXPORT unzGetFilePos(file, file_pos) - unzFile file; - unz_file_pos* file_pos; -{ - unz_s* s; +extern int ZEXPORT unzGetFilePos64(unzFile file, unz64_file_pos* file_pos) { + unz64_s* s; if (file==NULL || file_pos==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; if (!s->current_file_ok) return UNZ_END_OF_LIST_OF_FILE; @@ -918,23 +1200,31 @@ extern int ZEXPORT unzGetFilePos(file, file_pos) return UNZ_OK; } -extern int ZEXPORT unzGoToFilePos(file, file_pos) - unzFile file; - unz_file_pos* file_pos; -{ - unz_s* s; +extern int ZEXPORT unzGetFilePos(unzFile file, unz_file_pos* file_pos) { + unz64_file_pos file_pos64; + int err = unzGetFilePos64(file,&file_pos64); + if (err==UNZ_OK) + { + file_pos->pos_in_zip_directory = (uLong)file_pos64.pos_in_zip_directory; + file_pos->num_of_file = (uLong)file_pos64.num_of_file; + } + return err; +} + +extern int ZEXPORT unzGoToFilePos64(unzFile file, const unz64_file_pos* file_pos) { + unz64_s* s; int err; if (file==NULL || file_pos==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; /* jump to the right spot */ s->pos_in_central_dir = file_pos->pos_in_zip_directory; s->num_file = file_pos->num_of_file; /* set the current file */ - err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, + err = unz64local_GetCurrentFileInfoInternal(file,&s->cur_file_info, &s->cur_file_info_internal, NULL,0,NULL,0,NULL,0); /* return results */ @@ -942,6 +1232,16 @@ extern int ZEXPORT unzGoToFilePos(file, file_pos) return err; } +extern int ZEXPORT unzGoToFilePos(unzFile file, unz_file_pos* file_pos) { + unz64_file_pos file_pos64; + if (file_pos == NULL) + return UNZ_PARAMERROR; + + file_pos64.pos_in_zip_directory = file_pos->pos_in_zip_directory; + file_pos64.num_of_file = file_pos->num_of_file; + return unzGoToFilePos64(file,&file_pos64); +} + /* // Unzip Helper Functions - should be here? /////////////////////////////////////////// @@ -954,14 +1254,9 @@ extern int ZEXPORT unzGoToFilePos(file, file_pos) store in *piSizeVar the size of extra info in local header (filename and size of extra field data) */ -local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar, - poffset_local_extrafield, - psize_local_extrafield) - unz_s* s; - uInt* piSizeVar; - uLong *poffset_local_extrafield; - uInt *psize_local_extrafield; -{ +local int unz64local_CheckCurrentFileCoherencyHeader(unz64_s* s, uInt* piSizeVar, + ZPOS64_T * poffset_local_extrafield, + uInt * psize_local_extrafield) { uLong uMagic,uData,uFlags; uLong size_filename; uLong size_extra_field; @@ -971,65 +1266,66 @@ local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar, *poffset_local_extrafield = 0; *psize_local_extrafield = 0; - if (ZSEEK(s->z_filefunc, s->filestream,s->cur_file_info_internal.offset_curfile + + if (ZSEEK64(s->z_filefunc, s->filestream,s->cur_file_info_internal.offset_curfile + s->byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0) return UNZ_ERRNO; if (err==UNZ_OK) - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK) + { + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK) err=UNZ_ERRNO; else if (uMagic!=0x04034b50) err=UNZ_BADZIPFILE; + } - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) err=UNZ_ERRNO; /* else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion)) err=UNZ_BADZIPFILE; */ - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uFlags) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&uFlags) != UNZ_OK) err=UNZ_ERRNO; - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) err=UNZ_ERRNO; else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method)) err=UNZ_BADZIPFILE; if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) && +/* #ifdef HAVE_BZIP2 */ + (s->cur_file_info.compression_method!=Z_BZIP2ED) && +/* #endif */ (s->cur_file_info.compression_method!=Z_DEFLATED)) err=UNZ_BADZIPFILE; - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* date/time */ + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* date/time */ err=UNZ_ERRNO; - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* crc */ + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* crc */ err=UNZ_ERRNO; - else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) && - ((uFlags & 8)==0)) + else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) && ((uFlags & 8)==0)) err=UNZ_BADZIPFILE; - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size compr */ + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size compr */ err=UNZ_ERRNO; - else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) && - ((uFlags & 8)==0)) + else if (uData != 0xFFFFFFFF && (err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) && ((uFlags & 8)==0)) err=UNZ_BADZIPFILE; - if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size uncompr */ + if (unz64local_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size uncompr */ err=UNZ_ERRNO; - else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) && - ((uFlags & 8)==0)) + else if (uData != 0xFFFFFFFF && (err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) && ((uFlags & 8)==0)) err=UNZ_BADZIPFILE; - - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_filename) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&size_filename) != UNZ_OK) err=UNZ_ERRNO; else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename)) err=UNZ_BADZIPFILE; *piSizeVar += (uInt)size_filename; - if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_extra_field) != UNZ_OK) + if (unz64local_getShort(&s->z_filefunc, s->filestream,&size_extra_field) != UNZ_OK) err=UNZ_ERRNO; *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + size_filename; @@ -1044,18 +1340,13 @@ local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar, Open for reading data the current file in the zipfile. If there is no error and the file is opened, the return value is UNZ_OK. */ -extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) - unzFile file; - int* method; - int* level; - int raw; - const char* password; -{ +extern int ZEXPORT unzOpenCurrentFile3(unzFile file, int* method, + int* level, int raw, const char* password) { int err=UNZ_OK; uInt iSizeVar; - unz_s* s; - file_in_zip_read_info_s* pfile_in_zip_read_info; - uLong offset_local_extrafield; /* offset of the local extra field */ + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; + ZPOS64_T offset_local_extrafield; /* offset of the local extra field */ uInt size_local_extrafield; /* size of the local extra field */ # ifndef NOUNCRYPT char source[12]; @@ -1066,19 +1357,17 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) if (file==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; if (!s->current_file_ok) return UNZ_PARAMERROR; if (s->pfile_in_zip_read != NULL) unzCloseCurrentFile(file); - if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar, - &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK) + if (unz64local_CheckCurrentFileCoherencyHeader(s,&iSizeVar, &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK) return UNZ_BADZIPFILE; - pfile_in_zip_read_info = (file_in_zip_read_info_s*) - ALLOC(sizeof(file_in_zip_read_info_s)); + pfile_in_zip_read_info = (file_in_zip64_read_info_s*)ALLOC(sizeof(file_in_zip64_read_info_s)); if (pfile_in_zip_read_info==NULL) return UNZ_INTERNALERROR; @@ -1090,7 +1379,7 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) if (pfile_in_zip_read_info->read_buffer==NULL) { - TRYFREE(pfile_in_zip_read_info); + free(pfile_in_zip_read_info); return UNZ_INTERNALERROR; } @@ -1111,34 +1400,65 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) } if ((s->cur_file_info.compression_method!=0) && +/* #ifdef HAVE_BZIP2 */ + (s->cur_file_info.compression_method!=Z_BZIP2ED) && +/* #endif */ (s->cur_file_info.compression_method!=Z_DEFLATED)) + err=UNZ_BADZIPFILE; pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc; pfile_in_zip_read_info->crc32=0; - pfile_in_zip_read_info->compression_method = - s->cur_file_info.compression_method; + pfile_in_zip_read_info->total_out_64=0; + pfile_in_zip_read_info->compression_method = s->cur_file_info.compression_method; pfile_in_zip_read_info->filestream=s->filestream; pfile_in_zip_read_info->z_filefunc=s->z_filefunc; pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile; pfile_in_zip_read_info->stream.total_out = 0; - if ((s->cur_file_info.compression_method==Z_DEFLATED) && - (!raw)) + if ((s->cur_file_info.compression_method==Z_BZIP2ED) && (!raw)) { +#ifdef HAVE_BZIP2 + pfile_in_zip_read_info->bstream.bzalloc = (void *(*) (void *, int, int))0; + pfile_in_zip_read_info->bstream.bzfree = (free_func)0; + pfile_in_zip_read_info->bstream.opaque = (voidpf)0; + pfile_in_zip_read_info->bstream.state = (voidpf)0; + pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; pfile_in_zip_read_info->stream.zfree = (free_func)0; pfile_in_zip_read_info->stream.opaque = (voidpf)0; pfile_in_zip_read_info->stream.next_in = (voidpf)0; pfile_in_zip_read_info->stream.avail_in = 0; - err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS); + err=BZ2_bzDecompressInit(&pfile_in_zip_read_info->bstream, 0, 0); if (err == Z_OK) - pfile_in_zip_read_info->stream_initialised=1; + pfile_in_zip_read_info->stream_initialised=Z_BZIP2ED; else { - TRYFREE(pfile_in_zip_read_info); + free(pfile_in_zip_read_info->read_buffer); + free(pfile_in_zip_read_info); + return err; + } +#else + pfile_in_zip_read_info->raw=1; +#endif + } + else if ((s->cur_file_info.compression_method==Z_DEFLATED) && (!raw)) + { + pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; + pfile_in_zip_read_info->stream.zfree = (free_func)0; + pfile_in_zip_read_info->stream.opaque = (voidpf)0; + pfile_in_zip_read_info->stream.next_in = 0; + pfile_in_zip_read_info->stream.avail_in = 0; + + err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS); + if (err == Z_OK) + pfile_in_zip_read_info->stream_initialised=Z_DEFLATED; + else + { + free(pfile_in_zip_read_info->read_buffer); + free(pfile_in_zip_read_info); return err; } /* windowBits is passed < 0 to tell that there is no zlib header. @@ -1162,6 +1482,7 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) pfile_in_zip_read_info->stream.avail_in = (uInt)0; s->pfile_in_zip_read = pfile_in_zip_read_info; + s->encrypted = 0; # ifndef NOUNCRYPT if (password != NULL) @@ -1169,12 +1490,12 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) int i; s->pcrc_32_tab = get_crc_table(); init_keys(password,s->keys,s->pcrc_32_tab); - if (ZSEEK(s->z_filefunc, s->filestream, + if (ZSEEK64(s->z_filefunc, s->filestream, s->pfile_in_zip_read->pos_in_zipfile + s->pfile_in_zip_read->byte_before_the_zipfile, SEEK_SET)!=0) return UNZ_INTERNALERROR; - if(ZREAD(s->z_filefunc, s->filestream,source, 12)<12) + if(ZREAD64(s->z_filefunc, s->filestream,source, 12)<12) return UNZ_INTERNALERROR; for (i = 0; i<12; i++) @@ -1189,57 +1510,60 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) return UNZ_OK; } -extern int ZEXPORT unzOpenCurrentFile (file) - unzFile file; -{ +extern int ZEXPORT unzOpenCurrentFile(unzFile file) { return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL); } -extern int ZEXPORT unzOpenCurrentFilePassword (file, password) - unzFile file; - const char* password; -{ +extern int ZEXPORT unzOpenCurrentFilePassword(unzFile file, const char* password) { return unzOpenCurrentFile3(file, NULL, NULL, 0, password); } -extern int ZEXPORT unzOpenCurrentFile2 (file,method,level,raw) - unzFile file; - int* method; - int* level; - int raw; -{ +extern int ZEXPORT unzOpenCurrentFile2(unzFile file, int* method, int* level, int raw) { return unzOpenCurrentFile3(file, method, level, raw, NULL); } +/** Addition for GDAL : START */ + +extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64(unzFile file) { + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; + s=(unz64_s*)file; + if (file==NULL) + return 0; //UNZ_PARAMERROR; + pfile_in_zip_read_info=s->pfile_in_zip_read; + if (pfile_in_zip_read_info==NULL) + return 0; //UNZ_PARAMERROR; + return pfile_in_zip_read_info->pos_in_zipfile + + pfile_in_zip_read_info->byte_before_the_zipfile; +} + +/** Addition for GDAL : END */ + /* Read bytes from the current file. 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 the number of byte copied if some 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) */ -extern int ZEXPORT unzReadCurrentFile (file, buf, len) - unzFile file; - voidp buf; - unsigned len; -{ +extern int ZEXPORT unzReadCurrentFile(unzFile file, voidp buf, unsigned len) { int err=UNZ_OK; uInt iRead = 0; - unz_s* s; - file_in_zip_read_info_s* pfile_in_zip_read_info; + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; if (file==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; pfile_in_zip_read_info=s->pfile_in_zip_read; if (pfile_in_zip_read_info==NULL) return UNZ_PARAMERROR; - if ((pfile_in_zip_read_info->read_buffer == NULL)) + if (pfile_in_zip_read_info->read_buffer == NULL) return UNZ_END_OF_LIST_OF_FILE; if (len==0) return 0; @@ -1270,13 +1594,13 @@ extern int ZEXPORT unzReadCurrentFile (file, buf, len) uReadThis = (uInt)pfile_in_zip_read_info->rest_read_compressed; if (uReadThis == 0) return UNZ_EOF; - if (ZSEEK(pfile_in_zip_read_info->z_filefunc, + if (ZSEEK64(pfile_in_zip_read_info->z_filefunc, pfile_in_zip_read_info->filestream, pfile_in_zip_read_info->pos_in_zipfile + pfile_in_zip_read_info->byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET)!=0) return UNZ_ERRNO; - if (ZREAD(pfile_in_zip_read_info->z_filefunc, + if (ZREAD64(pfile_in_zip_read_info->z_filefunc, pfile_in_zip_read_info->filestream, pfile_in_zip_read_info->read_buffer, uReadThis)!=uReadThis) @@ -1310,7 +1634,7 @@ extern int ZEXPORT unzReadCurrentFile (file, buf, len) if ((pfile_in_zip_read_info->stream.avail_in == 0) && (pfile_in_zip_read_info->rest_read_compressed == 0)) - return (iRead==0) ? UNZ_EOF : iRead; + return (iRead==0) ? UNZ_EOF : (int)iRead; if (pfile_in_zip_read_info->stream.avail_out < pfile_in_zip_read_info->stream.avail_in) @@ -1322,6 +1646,8 @@ extern int ZEXPORT unzReadCurrentFile (file, buf, len) *(pfile_in_zip_read_info->stream.next_out+i) = *(pfile_in_zip_read_info->stream.next_in+i); + pfile_in_zip_read_info->total_out_64 = pfile_in_zip_read_info->total_out_64 + uDoCopy; + pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32, pfile_in_zip_read_info->stream.next_out, uDoCopy); @@ -1333,11 +1659,54 @@ extern int ZEXPORT unzReadCurrentFile (file, buf, len) pfile_in_zip_read_info->stream.total_out += uDoCopy; iRead += uDoCopy; } - else + else if (pfile_in_zip_read_info->compression_method==Z_BZIP2ED) { +#ifdef HAVE_BZIP2 uLong uTotalOutBefore,uTotalOutAfter; const Bytef *bufBefore; uLong uOutThis; + + pfile_in_zip_read_info->bstream.next_in = (char*)pfile_in_zip_read_info->stream.next_in; + pfile_in_zip_read_info->bstream.avail_in = pfile_in_zip_read_info->stream.avail_in; + pfile_in_zip_read_info->bstream.total_in_lo32 = pfile_in_zip_read_info->stream.total_in; + pfile_in_zip_read_info->bstream.total_in_hi32 = 0; + pfile_in_zip_read_info->bstream.next_out = (char*)pfile_in_zip_read_info->stream.next_out; + pfile_in_zip_read_info->bstream.avail_out = pfile_in_zip_read_info->stream.avail_out; + pfile_in_zip_read_info->bstream.total_out_lo32 = pfile_in_zip_read_info->stream.total_out; + pfile_in_zip_read_info->bstream.total_out_hi32 = 0; + + uTotalOutBefore = pfile_in_zip_read_info->bstream.total_out_lo32; + bufBefore = (const Bytef *)pfile_in_zip_read_info->bstream.next_out; + + err=BZ2_bzDecompress(&pfile_in_zip_read_info->bstream); + + uTotalOutAfter = pfile_in_zip_read_info->bstream.total_out_lo32; + uOutThis = uTotalOutAfter-uTotalOutBefore; + + pfile_in_zip_read_info->total_out_64 = pfile_in_zip_read_info->total_out_64 + uOutThis; + + pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32,bufBefore, (uInt)(uOutThis)); + pfile_in_zip_read_info->rest_read_uncompressed -= uOutThis; + iRead += (uInt)(uTotalOutAfter - uTotalOutBefore); + + pfile_in_zip_read_info->stream.next_in = (Bytef*)pfile_in_zip_read_info->bstream.next_in; + pfile_in_zip_read_info->stream.avail_in = pfile_in_zip_read_info->bstream.avail_in; + pfile_in_zip_read_info->stream.total_in = pfile_in_zip_read_info->bstream.total_in_lo32; + pfile_in_zip_read_info->stream.next_out = (Bytef*)pfile_in_zip_read_info->bstream.next_out; + pfile_in_zip_read_info->stream.avail_out = pfile_in_zip_read_info->bstream.avail_out; + pfile_in_zip_read_info->stream.total_out = pfile_in_zip_read_info->bstream.total_out_lo32; + + if (err==BZ_STREAM_END) + return (iRead==0) ? UNZ_EOF : iRead; + if (err!=BZ_OK) + break; +#endif + } // end Z_BZIP2ED + else + { + ZPOS64_T uTotalOutBefore,uTotalOutAfter; + const Bytef *bufBefore; + ZPOS64_T uOutThis; int flush=Z_SYNC_FLUSH; uTotalOutBefore = pfile_in_zip_read_info->stream.total_out; @@ -1355,8 +1724,13 @@ extern int ZEXPORT unzReadCurrentFile (file, buf, len) err = Z_DATA_ERROR; uTotalOutAfter = pfile_in_zip_read_info->stream.total_out; + /* Detect overflow, because z_stream.total_out is uLong (32 bits) */ + if (uTotalOutAftertotal_out_64 = pfile_in_zip_read_info->total_out_64 + uOutThis; + pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32,bufBefore, (uInt)(uOutThis)); @@ -1367,14 +1741,14 @@ extern int ZEXPORT unzReadCurrentFile (file, buf, len) iRead += (uInt)(uTotalOutAfter - uTotalOutBefore); if (err==Z_STREAM_END) - return (iRead==0) ? UNZ_EOF : iRead; + return (iRead==0) ? UNZ_EOF : (int)iRead; if (err!=Z_OK) break; } } if (err==Z_OK) - return iRead; + return (int)iRead; return err; } @@ -1382,14 +1756,12 @@ extern int ZEXPORT unzReadCurrentFile (file, buf, len) /* Give the current position in uncompressed data */ -extern z_off_t ZEXPORT unztell (file) - unzFile file; -{ - unz_s* s; - file_in_zip_read_info_s* pfile_in_zip_read_info; +extern z_off_t ZEXPORT unztell(unzFile file) { + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; if (file==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; pfile_in_zip_read_info=s->pfile_in_zip_read; if (pfile_in_zip_read_info==NULL) @@ -1398,18 +1770,31 @@ extern z_off_t ZEXPORT unztell (file) return (z_off_t)pfile_in_zip_read_info->stream.total_out; } +extern ZPOS64_T ZEXPORT unztell64(unzFile file) { + + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return (ZPOS64_T)-1; + s=(unz64_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return (ZPOS64_T)-1; + + return pfile_in_zip_read_info->total_out_64; +} + /* return 1 if the end of file was reached, 0 elsewhere */ -extern int ZEXPORT unzeof (file) - unzFile file; -{ - unz_s* s; - file_in_zip_read_info_s* pfile_in_zip_read_info; +extern int ZEXPORT unzeof(unzFile file) { + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; if (file==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; pfile_in_zip_read_info=s->pfile_in_zip_read; if (pfile_in_zip_read_info==NULL) @@ -1424,9 +1809,9 @@ extern int ZEXPORT unzeof (file) /* - 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) +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 that can be read @@ -1435,19 +1820,15 @@ extern int ZEXPORT unzeof (file) the return value is the number of bytes copied in buf, or (if <0) the error code */ -extern int ZEXPORT unzGetLocalExtrafield (file,buf,len) - unzFile file; - voidp buf; - unsigned len; -{ - unz_s* s; - file_in_zip_read_info_s* pfile_in_zip_read_info; +extern int ZEXPORT unzGetLocalExtrafield(unzFile file, voidp buf, unsigned len) { + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; uInt read_now; - uLong size_to_read; + ZPOS64_T size_to_read; if (file==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; pfile_in_zip_read_info=s->pfile_in_zip_read; if (pfile_in_zip_read_info==NULL) @@ -1467,14 +1848,14 @@ extern int ZEXPORT unzGetLocalExtrafield (file,buf,len) if (read_now==0) return 0; - if (ZSEEK(pfile_in_zip_read_info->z_filefunc, + if (ZSEEK64(pfile_in_zip_read_info->z_filefunc, pfile_in_zip_read_info->filestream, pfile_in_zip_read_info->offset_local_extrafield + pfile_in_zip_read_info->pos_local_extrafield, ZLIB_FILEFUNC_SEEK_SET)!=0) return UNZ_ERRNO; - if (ZREAD(pfile_in_zip_read_info->z_filefunc, + if (ZREAD64(pfile_in_zip_read_info->z_filefunc, pfile_in_zip_read_info->filestream, buf,read_now)!=read_now) return UNZ_ERRNO; @@ -1483,19 +1864,17 @@ extern int ZEXPORT unzGetLocalExtrafield (file,buf,len) } /* - Close the file in zip opened with unzipOpenCurrentFile + 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 unzCloseCurrentFile (file) - unzFile file; -{ +extern int ZEXPORT unzCloseCurrentFile(unzFile file) { int err=UNZ_OK; - unz_s* s; - file_in_zip_read_info_s* pfile_in_zip_read_info; + unz64_s* s; + file_in_zip64_read_info_s* pfile_in_zip_read_info; if (file==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; pfile_in_zip_read_info=s->pfile_in_zip_read; if (pfile_in_zip_read_info==NULL) @@ -1510,13 +1889,18 @@ extern int ZEXPORT unzCloseCurrentFile (file) } - TRYFREE(pfile_in_zip_read_info->read_buffer); + free(pfile_in_zip_read_info->read_buffer); pfile_in_zip_read_info->read_buffer = NULL; - if (pfile_in_zip_read_info->stream_initialised) + if (pfile_in_zip_read_info->stream_initialised == Z_DEFLATED) inflateEnd(&pfile_in_zip_read_info->stream); +#ifdef HAVE_BZIP2 + else if (pfile_in_zip_read_info->stream_initialised == Z_BZIP2ED) + BZ2_bzDecompressEnd(&pfile_in_zip_read_info->bstream); +#endif + pfile_in_zip_read_info->stream_initialised = 0; - TRYFREE(pfile_in_zip_read_info); + free(pfile_in_zip_read_info); s->pfile_in_zip_read=NULL; @@ -1529,29 +1913,24 @@ extern int ZEXPORT unzCloseCurrentFile (file) uSizeBuf is the size of the szComment buffer. return the number of byte copied or an error code <0 */ -extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf) - unzFile file; - char *szComment; - uLong uSizeBuf; -{ - int err=UNZ_OK; - unz_s* s; +extern int ZEXPORT unzGetGlobalComment(unzFile file, char * szComment, uLong uSizeBuf) { + unz64_s* s; uLong uReadThis ; if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; + return (int)UNZ_PARAMERROR; + s=(unz64_s*)file; uReadThis = uSizeBuf; if (uReadThis>s->gi.size_comment) uReadThis = s->gi.size_comment; - if (ZSEEK(s->z_filefunc,s->filestream,s->central_pos+22,ZLIB_FILEFUNC_SEEK_SET)!=0) + if (ZSEEK64(s->z_filefunc,s->filestream,s->central_pos+22,ZLIB_FILEFUNC_SEEK_SET)!=0) return UNZ_ERRNO; if (uReadThis>0) { *szComment='\0'; - if (ZREAD(s->z_filefunc,s->filestream,szComment,uReadThis)!=uReadThis) + if (ZREAD64(s->z_filefunc,s->filestream,szComment,uReadThis)!=uReadThis) return UNZ_ERRNO; } @@ -1561,14 +1940,12 @@ extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf) } /* Additions by RX '2004 */ -extern uLong ZEXPORT unzGetOffset (file) - unzFile file; -{ - unz_s* s; +extern ZPOS64_T ZEXPORT unzGetOffset64(unzFile file) { + unz64_s* s; if (file==NULL) - return UNZ_PARAMERROR; - s=(unz_s*)file; + return 0; //UNZ_PARAMERROR; + s=(unz64_s*)file; if (!s->current_file_ok) return 0; if (s->gi.number_entry != 0 && s->gi.number_entry != 0xffff) @@ -1577,22 +1954,32 @@ extern uLong ZEXPORT unzGetOffset (file) return s->pos_in_central_dir; } -extern int ZEXPORT unzSetOffset (file, pos) - unzFile file; - uLong pos; -{ - unz_s* s; +extern uLong ZEXPORT unzGetOffset(unzFile file) { + ZPOS64_T offset64; + + if (file==NULL) + return 0; //UNZ_PARAMERROR; + offset64 = unzGetOffset64(file); + return (uLong)offset64; +} + +extern int ZEXPORT unzSetOffset64(unzFile file, ZPOS64_T pos) { + unz64_s* s; int err; if (file==NULL) return UNZ_PARAMERROR; - s=(unz_s*)file; + s=(unz64_s*)file; s->pos_in_central_dir = pos; s->num_file = s->gi.number_entry; /* hack */ - err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info, + err = unz64local_GetCurrentFileInfoInternal(file,&s->cur_file_info, &s->cur_file_info_internal, NULL,0,NULL,0,NULL,0); s->current_file_ok = (err == UNZ_OK); return err; } + +extern int ZEXPORT unzSetOffset (unzFile file, uLong pos) { + return unzSetOffset64(file,pos); +} diff --git a/zip_lib/unzip.h b/zip_lib/unzip.h index c3206a05..cf631963 100644 --- a/zip_lib/unzip.h +++ b/zip_lib/unzip.h @@ -1,20 +1,20 @@ /* unzip.h -- IO for uncompress .zip files using zlib - Version 1.01e, February 12th, 2005 + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - Copyright (C) 1998-2005 Gilles Vollant + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) - This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g - WinZip, InfoZip tools and compatible. + Modifications of Unzip for Zip64 + Copyright (C) 2007-2008 Even Rouault - 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 + Modifications for Zip64 support on both zip and unzip + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + For more info read MiniZip_info.txt - 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 : + 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 @@ -32,18 +32,16 @@ misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. + --------------------------------------------------------------------------------- + + Changes + + See header of unzip64.c */ -/* 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 _unz64_H +#define _unz64_H #ifdef __cplusplus extern "C" { @@ -53,10 +51,16 @@ extern "C" { #include "zlib.h" #endif -#ifndef _ZLIBIOAPI_H +#ifndef _ZLIBIOAPI_H #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 */ @@ -79,25 +83,52 @@ typedef voidp unzFile; /* 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] */ + int tm_sec; /* seconds after the minute - [0,59] */ + int tm_min; /* minutes after the hour - [0,59] */ + int tm_hour; /* hours since midnight - [0,23] */ + int tm_mday; /* day of the month - [1,31] */ + int tm_mon; /* months since January - [0,11] */ + int tm_year; /* years - [1980..2044] */ } tm_unz; /* 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 +{ + ZPOS64_T number_entry; /* total number of entries in + the central dir on this disk */ + uLong 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 */ + the central dir on this disk */ uLong 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 +{ + 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 */ + ZPOS64_T compressed_size; /* compressed size 8 bytes */ + ZPOS64_T uncompressed_size; /* uncompressed size 8 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 */ + + 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 */ + + tm_unz tmu_date; +} unz_file_info64; + typedef struct unz_file_info_s { uLong version; /* version made by 2 bytes */ @@ -119,20 +150,21 @@ typedef struct unz_file_info_s tm_unz tmu_date; } unz_file_info; -extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1, - const char* fileName2, - int iCaseSensitivity)); +extern int ZEXPORT unzStringFileNameCompare(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 + Compare two filenames (fileName1,fileName2). + If iCaseSensitivity = 1, comparison is case sensitive (like strcmp) + If iCaseSensitivity = 2, comparison is not case sensitive (like strcmpi or strcasecmp) - If iCaseSenisivity = 0, case sensitivity is defaut of your operating system + If iCaseSensitivity = 0, case sensitivity is default of your operating system (like 1 on Unix, 2 on Windows) */ -extern unzFile ZEXPORT unzOpen OF((const char *path)); +extern unzFile ZEXPORT unzOpen(const char *path); +extern unzFile ZEXPORT unzOpen64(const void *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 @@ -141,33 +173,49 @@ extern unzFile ZEXPORT unzOpen OF((const char *path)); return value is NULL. Else, the return value is a unzFile Handle, usable with other function of this unzip package. + 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 unzFile ZEXPORT unzOpen2 OF((const char *path, - zlib_filefunc_def* pzlib_filefunc_def)); + +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 the zip file (see ioapi.h) */ -extern int ZEXPORT unzClose OF((unzFile file)); +extern unzFile ZEXPORT unzOpen2_64(const void *path, + zlib_filefunc64_def* pzlib_filefunc_def); /* - Close a ZipFile opened with unzipOpen. + Open a Zip file, like unz64Open, but provide a set of file low level API + for read/write the zip file (see ioapi.h) +*/ + +extern int ZEXPORT unzClose(unzFile file); +/* + Close a ZipFile opened with unzOpen. If there is files inside the .Zip opened with unzOpenCurrentFile (see later), - these files MUST be closed with unzipCloseCurrentFile before call unzipClose. + these files MUST be closed with unzCloseCurrentFile before call unzClose. return UNZ_OK if there is no problem. */ -extern int ZEXPORT unzGetGlobalInfo OF((unzFile file, - unz_global_info *pglobal_info)); +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. No preparation of the structure is needed return UNZ_OK if there is no problem. */ -extern int ZEXPORT unzGetGlobalComment OF((unzFile file, - char *szComment, - uLong uSizeBuf)); +extern int ZEXPORT unzGetGlobalComment(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. @@ -178,22 +226,22 @@ extern int ZEXPORT unzGetGlobalComment OF((unzFile file, /***************************************************************************/ /* Unzip package allow you browse the directory of the zipfile */ -extern int ZEXPORT unzGoToFirstFile OF((unzFile file)); +extern int ZEXPORT unzGoToFirstFile(unzFile file); /* Set the current file of the zipfile to the first file. return UNZ_OK if there is no problem */ -extern int ZEXPORT unzGoToNextFile OF((unzFile file)); +extern int ZEXPORT unzGoToNextFile(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. */ -extern int ZEXPORT unzLocateFile OF((unzFile file, - const char *szFileName, - int iCaseSensitivity)); +extern int ZEXPORT unzLocateFile(unzFile file, + const char *szFileName, + int iCaseSensitivity); /* Try locate the file szFileName in the zipfile. For the iCaseSensitivity signification, see unzStringFileNameCompare @@ -221,19 +269,42 @@ extern int ZEXPORT unzGoToFilePos( unzFile file, unz_file_pos* file_pos); +typedef struct unz64_file_pos_s +{ + ZPOS64_T pos_in_zip_directory; /* offset in zip file directory */ + ZPOS64_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 int ZEXPORT unzGetCurrentFileInfo OF((unzFile file, - unz_file_info *pfile_info, - char *szFileName, - uLong fileNameBufferSize, - void *extraField, - uLong extraFieldBufferSize, - char *szComment, - uLong commentBufferSize)); +extern int ZEXPORT unzGetCurrentFileInfo64(unzFile file, + unz_file_info64 *pfile_info, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize); + +extern int ZEXPORT unzGetCurrentFileInfo(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 + if pfile_info!=NULL, the *pfile_info structure will contain some info about the current file if szFileName!=NULL, the filemane string will be copied in szFileName (fileNameBufferSize is the size of the buffer) @@ -244,29 +315,37 @@ extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file, (commentBufferSize is the size of the buffer) */ + +/** Addition for GDAL : START */ + +extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64(unzFile file); + +/** Addition for GDAL : END */ + + /***************************************************************************/ /* 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)); +extern int ZEXPORT unzOpenCurrentFile(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)); +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)); +extern int ZEXPORT unzOpenCurrentFile2(unzFile file, + int* method, + int* level, + int raw); /* Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) if raw==1 @@ -276,11 +355,11 @@ extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file, but you CANNOT set method parameter as NULL */ -extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file, - int* method, - int* level, - int raw, - const char* password)); +extern int ZEXPORT unzOpenCurrentFile3(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 @@ -291,39 +370,41 @@ extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file, */ -extern int ZEXPORT unzCloseCurrentFile OF((unzFile file)); +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 */ -extern int ZEXPORT unzReadCurrentFile OF((unzFile file, - voidp buf, - unsigned len)); +extern int ZEXPORT unzReadCurrentFile(unzFile file, + voidp buf, + unsigned 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 the number of byte copied if some 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) */ -extern z_off_t ZEXPORT unztell OF((unzFile file)); +extern z_off_t ZEXPORT unztell(unzFile file); + +extern ZPOS64_T ZEXPORT unztell64(unzFile file); /* Give the current position in uncompressed data */ -extern int ZEXPORT unzeof OF((unzFile file)); +extern int ZEXPORT unzeof(unzFile file); /* return 1 if the end of file was reached, 0 elsewhere */ -extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file, - voidp buf, - unsigned len)); +extern int ZEXPORT unzGetLocalExtrafield(unzFile file, + voidp buf, + unsigned len); /* Read extra field from the current file (opened by unzOpenCurrentFile) This is the local-header version of the extra field (sometimes, there is @@ -340,9 +421,11 @@ extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file, /***************************************************************************/ /* Get the current file offset */ +extern ZPOS64_T ZEXPORT unzGetOffset64 (unzFile file); extern uLong ZEXPORT unzGetOffset (unzFile file); /* Set the current file offset */ +extern int ZEXPORT unzSetOffset64 (unzFile file, ZPOS64_T pos); extern int ZEXPORT unzSetOffset (unzFile file, uLong pos); @@ -351,4 +434,4 @@ extern int ZEXPORT unzSetOffset (unzFile file, uLong pos); } #endif -#endif /* _unz_H */ +#endif /* _unz64_H */ diff --git a/zip_lib/zip.c b/zip_lib/zip.c index 400e2ba3..b87bcbad 100644 --- a/zip_lib/zip.c +++ b/zip_lib/zip.c @@ -1,26 +1,37 @@ /* zip.c -- IO on .zip files using zlib - Version 1.01e, February 12th, 2005 + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - 27 Dec 2004 Rolf Kalbermatter - Modification to zipOpen2 to support globalComment retrieval. + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) - Copyright (C) 1998-2005 Gilles Vollant + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) + + For more info read MiniZip_info.txt + + Changes + Oct-2009 - Mathias Svensson - Remove old C style function prototypes + Oct-2009 - Mathias Svensson - Added Zip64 Support when creating new file archives + Oct-2009 - Mathias Svensson - Did some code cleanup and refactoring to get better overview of some functions. + Oct-2009 - Mathias Svensson - Added zipRemoveExtraInfoBlock to strip extra field data from its ZIP64 data + It is used when recreating zip archive with RAW when deleting items from a zip. + ZIP64 data is automatically added to items that needs it, and existing ZIP64 data need to be removed. + Oct-2009 - Mathias Svensson - Added support for BZIP2 as compression mode (bzip2 lib is required) + Jan-2010 - back to unzip and minizip 1.0 name scheme, with compatibility layer - Read zip.h for more info */ #include #include #include +#include #include #include "zlib.h" #include "zip.h" #ifdef STDC # include -# include -# include #endif #ifdef NO_ERRNO_H extern int errno; @@ -35,11 +46,11 @@ /* compile with -Dlocal if your debugger can't find static symbols */ #ifndef VERSIONMADEBY -# define VERSIONMADEBY (0x0) /* platform depedent */ +# define VERSIONMADEBY (0x0) /* platform dependent */ #endif #ifndef Z_BUFSIZE -#define Z_BUFSIZE (16384) +#define Z_BUFSIZE (64*1024) //(16384) #endif #ifndef Z_MAXFILENAMEINZIP @@ -49,9 +60,6 @@ #ifndef ALLOC # define ALLOC(size) (malloc(size)) #endif -#ifndef TRYFREE -# define TRYFREE(p) {if (p) free(p);} -#endif /* #define SIZECENTRALDIRITEM (0x2e) @@ -60,6 +68,10 @@ /* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ + +// NOT sure that this work on ALL platform +#define MAKEULONG64(a, b) ((ZPOS64_T)(((unsigned long)(a)) | ((ZPOS64_T)((unsigned long)(b))) << 32)) + #ifndef SEEK_CUR #define SEEK_CUR 1 #endif @@ -79,8 +91,7 @@ # define DEF_MEM_LEVEL MAX_MEM_LEVEL #endif #endif -const char zip_copyright[] = - " zip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; +const char zip_copyright[] =" zip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; #define SIZEDATA_INDATABLOCK (4096-(4*4)) @@ -88,6 +99,8 @@ const char zip_copyright[] = #define LOCALHEADERMAGIC (0x04034b50) #define CENTRALHEADERMAGIC (0x02014b50) #define ENDHEADERMAGIC (0x06054b50) +#define ZIP64ENDHEADERMAGIC (0x6064b50) +#define ZIP64ENDLOCHEADERMAGIC (0x7064b50) #define FLAG_LOCALHEADER_OFFSET (0x06) #define CRC_LOCALHEADER_OFFSET (0x0e) @@ -99,7 +112,7 @@ typedef struct linkedlist_datablock_internal_s struct linkedlist_datablock_internal_s* next_datablock; uLong avail_in_this_block; uLong filled_in_this_block; - uLong unused; /* for future use and alignement */ + uLong unused; /* for future use and alignment */ unsigned char data[SIZEDATA_INDATABLOCK]; } linkedlist_datablock_internal; @@ -113,44 +126,55 @@ typedef struct linkedlist_data_s typedef struct { z_stream stream; /* zLib stream structure for inflate */ +#ifdef HAVE_BZIP2 + bz_stream bstream; /* bzLib stream structure for bziped */ +#endif + int stream_initialised; /* 1 is stream is initialised */ uInt pos_in_buffered_data; /* last written byte in buffered_data */ - uLong pos_local_header; /* offset of the local header of the file - currenty writing */ + ZPOS64_T pos_local_header; /* offset of the local header of the file + currently writing */ char* central_header; /* central header data for the current file */ + uLong size_centralExtra; uLong size_centralheader; /* size of the central header for cur file */ + uLong size_centralExtraFree; /* Extra bytes allocated to the centralheader but that are not used */ uLong flag; /* flag of the file currently writing */ - int method; /* compression method of file currenty wr.*/ + int method; /* compression method of file currently wr.*/ int raw; /* 1 for directly writing raw data */ Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/ uLong dosDate; uLong crc32; int encrypt; + int zip64; /* Add ZIP64 extended information in the extra field */ + ZPOS64_T pos_zip64extrainfo; + ZPOS64_T totalCompressedData; + ZPOS64_T totalUncompressedData; #ifndef NOCRYPT unsigned long keys[3]; /* keys defining the pseudo-random sequence */ - const unsigned long* pcrc_32_tab; - int crypt_header_size; + const z_crc_t* pcrc_32_tab; + unsigned crypt_header_size; #endif -} curfile_info; +} curfile64_info; typedef struct { - zlib_filefunc_def z_filefunc; - voidpf filestream; /* io structore of the zipfile */ + zlib_filefunc64_32_def z_filefunc; + voidpf filestream; /* io structure of the zipfile */ linkedlist_data central_dir;/* datablock with central dir in construction*/ int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/ - curfile_info ci; /* info on the file curretly writing */ + curfile64_info ci; /* info on the file currently writing */ + + ZPOS64_T begin_pos; /* position of the beginning of the zipfile */ + ZPOS64_T add_position_when_writing_offset; + ZPOS64_T number_entry; - uLong begin_pos; /* position of the beginning of the zipfile */ - uLong add_position_when_writting_offset; - uLong number_entry; #ifndef NO_ADDFILEINEXISTINGZIP char *globalcomment; #endif -} zip_internal; +} zip64_internal; #ifndef NOCRYPT @@ -158,8 +182,7 @@ typedef struct #include "crypt.h" #endif -local linkedlist_datablock_internal* allocate_new_datablock() -{ +local linkedlist_datablock_internal* allocate_new_datablock(void) { linkedlist_datablock_internal* ldi; ldi = (linkedlist_datablock_internal*) ALLOC(sizeof(linkedlist_datablock_internal)); @@ -172,36 +195,26 @@ local linkedlist_datablock_internal* allocate_new_datablock() return ldi; } -local void free_datablock(ldi) - linkedlist_datablock_internal* ldi; -{ +local void free_datablock(linkedlist_datablock_internal* ldi) { while (ldi!=NULL) { linkedlist_datablock_internal* ldinext = ldi->next_datablock; - TRYFREE(ldi); + free(ldi); ldi = ldinext; } } -local void init_linkedlist(ll) - linkedlist_data* ll; -{ +local void init_linkedlist(linkedlist_data* ll) { ll->first_block = ll->last_block = NULL; } -local void free_linkedlist(ll) - linkedlist_data* ll; -{ +local void free_linkedlist(linkedlist_data* ll) { free_datablock(ll->first_block); ll->first_block = ll->last_block = NULL; } -local int add_data_in_datablock(ll,buf,len) - linkedlist_data* ll; - const void* buf; - uLong len; -{ +local int add_data_in_datablock(linkedlist_data* ll, const void* buf, uLong len) { linkedlist_datablock_internal* ldi; const unsigned char* from_copy; @@ -216,7 +229,7 @@ local int add_data_in_datablock(ll,buf,len) } ldi = ll->last_block; - from_copy = (unsigned char*)buf; + from_copy = (const unsigned char*)buf; while (len>0) { @@ -258,18 +271,11 @@ local int add_data_in_datablock(ll,buf,len) #ifndef NO_ADDFILEINEXISTINGZIP /* =========================================================================== Inputs a long in LSB order to the given file - nbByte == 1, 2 or 4 (byte, short or long) + nbByte == 1, 2 ,4 or 8 (byte, short or long, ZPOS64_T) */ -local int ziplocal_putValue OF((const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, uLong x, int nbByte)); -local int ziplocal_putValue (pzlib_filefunc_def, filestream, x, nbByte) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - uLong x; - int nbByte; -{ - unsigned char buf[4]; +local int zip64local_putValue(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T x, int nbByte) { + unsigned char buf[8]; int n; for (n = 0; n < nbByte; n++) { @@ -284,18 +290,13 @@ local int ziplocal_putValue (pzlib_filefunc_def, filestream, x, nbByte) } } - if (ZWRITE(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte) + if (ZWRITE64(*pzlib_filefunc_def,filestream,buf,(uLong)nbByte)!=(uLong)nbByte) return ZIP_ERRNO; else return ZIP_OK; } -local void ziplocal_putValue_inmemory OF((void* dest, uLong x, int nbByte)); -local void ziplocal_putValue_inmemory (dest, x, nbByte) - void* dest; - uLong x; - int nbByte; -{ +local void zip64local_putValue_inmemory (void* dest, ZPOS64_T x, int nbByte) { unsigned char* buf=(unsigned char*)dest; int n; for (n = 0; n < nbByte; n++) { @@ -315,35 +316,23 @@ local void ziplocal_putValue_inmemory (dest, x, nbByte) /****************************************************************************/ -local uLong ziplocal_TmzDateToDosDate(ptm,dosDate) - const tm_zip* ptm; - uLong dosDate; -{ +local uLong zip64local_TmzDateToDosDate(const tm_zip* ptm) { uLong year = (uLong)ptm->tm_year; - if (year>1980) + if (year>=1980) year-=1980; - else if (year>80) + else if (year>=80) year-=80; return - (uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) | - ((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour)); + (uLong) (((uLong)(ptm->tm_mday) + (32 * (uLong)(ptm->tm_mon+1)) + (512 * year)) << 16) | + (((uLong)ptm->tm_sec/2) + (32 * (uLong)ptm->tm_min) + (2048 * (uLong)ptm->tm_hour)); } /****************************************************************************/ -local int ziplocal_getByte OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, - int *pi)); - -local int ziplocal_getByte(pzlib_filefunc_def,filestream,pi) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - int *pi; -{ +local int zip64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, int* pi) { unsigned char c; - int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1); + int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,&c,1); if (err==1) { *pi = (int)c; @@ -351,7 +340,7 @@ local int ziplocal_getByte(pzlib_filefunc_def,filestream,pi) } else { - if (ZERROR(*pzlib_filefunc_def,filestream)) + if (ZERROR64(*pzlib_filefunc_def,filestream)) return ZIP_ERRNO; else return ZIP_EOF; @@ -362,25 +351,16 @@ local int ziplocal_getByte(pzlib_filefunc_def,filestream,pi) /* =========================================================================== Reads a long in LSB order from the given gz_stream. Sets */ -local int ziplocal_getShort OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, - uLong *pX)); - -local int ziplocal_getShort (pzlib_filefunc_def,filestream,pX) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - uLong *pX; -{ +local int zip64local_getShort(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX) { uLong x ; - int i; + int i = 0; int err; - err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); x = (uLong)i; if (err==ZIP_OK) - err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); x += ((uLong)i)<<8; if (err==ZIP_OK) @@ -390,33 +370,24 @@ local int ziplocal_getShort (pzlib_filefunc_def,filestream,pX) return err; } -local int ziplocal_getLong OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream, - uLong *pX)); - -local int ziplocal_getLong (pzlib_filefunc_def,filestream,pX) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; - uLong *pX; -{ +local int zip64local_getLong(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX) { uLong x ; - int i; + int i = 0; int err; - err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); x = (uLong)i; if (err==ZIP_OK) - err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); x += ((uLong)i)<<8; if (err==ZIP_OK) - err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); x += ((uLong)i)<<16; if (err==ZIP_OK) - err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); x += ((uLong)i)<<24; if (err==ZIP_OK) @@ -426,6 +397,51 @@ local int ziplocal_getLong (pzlib_filefunc_def,filestream,pX) return err; } + +local int zip64local_getLong64(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T *pX) { + ZPOS64_T x; + int i = 0; + int err; + + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x = (ZPOS64_T)i; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<8; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<16; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<24; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<32; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<40; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<48; + + if (err==ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); + x += ((ZPOS64_T)i)<<56; + + if (err==ZIP_OK) + *pX = x; + else + *pX = 0; + + return err; +} + #ifndef BUFREADCOMMENT #define BUFREADCOMMENT (0x400) #endif @@ -433,87 +449,383 @@ local int ziplocal_getLong (pzlib_filefunc_def,filestream,pX) Locate the Central directory of a zipfile (at the end, just before the global comment) */ -local uLong ziplocal_SearchCentralDir OF(( - const zlib_filefunc_def* pzlib_filefunc_def, - voidpf filestream)); +local ZPOS64_T zip64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) { + unsigned char* buf; + ZPOS64_T uSizeFile; + ZPOS64_T uBackRead; + ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */ + ZPOS64_T uPosFound=0; -local uLong ziplocal_SearchCentralDir(pzlib_filefunc_def,filestream) - const zlib_filefunc_def* pzlib_filefunc_def; - voidpf filestream; -{ - unsigned char* buf; - uLong uSizeFile; - uLong uBackRead; - uLong uMaxBack=0xffff; /* maximum size of global comment */ - uLong uPosFound=0; - - if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) - return 0; + if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) + return 0; - uSizeFile = ZTELL(*pzlib_filefunc_def,filestream); + uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream); - if (uMaxBack>uSizeFile) - uMaxBack = uSizeFile; + if (uMaxBack>uSizeFile) + uMaxBack = uSizeFile; - buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); - if (buf==NULL) - return 0; + buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); + if (buf==NULL) + return 0; - uBackRead = 4; - while (uBackReaduMaxBack) - uBackRead = uMaxBack; - else - uBackRead+=BUFREADCOMMENT; - uReadPos = uSizeFile-uBackRead ; + uBackRead = 4; + while (uBackReaduMaxBack) + uBackRead = uMaxBack; + else + uBackRead+=BUFREADCOMMENT; + uReadPos = uSizeFile-uBackRead ; - uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? - (BUFREADCOMMENT+4) : (uSizeFile-uReadPos); - if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) - break; + uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? + (BUFREADCOMMENT+4) : (uLong)(uSizeFile-uReadPos); + if (ZSEEK64(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) + break; - if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) - break; + if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) + break; - for (i=(int)uReadSize-3; (i--)>0;) - if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && - ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) - { - uPosFound = uReadPos+i; - break; - } + for (i=(int)uReadSize-3; (i--)>0;) + if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && + ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) + { + uPosFound = uReadPos+(unsigned)i; + break; + } - if (uPosFound!=0) - break; - } - TRYFREE(buf); - return uPosFound; + if (uPosFound!=0) + break; + } + free(buf); + return uPosFound; } + +/* +Locate the End of Zip64 Central directory locator and from there find the CD of a zipfile (at the end, just before +the global comment) +*/ +local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) { + unsigned char* buf; + ZPOS64_T uSizeFile; + ZPOS64_T uBackRead; + ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */ + ZPOS64_T uPosFound=0; + uLong uL; + ZPOS64_T relativeOffset; + + if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) + return 0; + + uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream); + + if (uMaxBack>uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); + if (buf==NULL) + return 0; + + uBackRead = 4; + while (uBackReaduMaxBack) + uBackRead = uMaxBack; + else + uBackRead+=BUFREADCOMMENT; + uReadPos = uSizeFile-uBackRead ; + + uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? + (BUFREADCOMMENT+4) : (uLong)(uSizeFile-uReadPos); + if (ZSEEK64(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) + break; + + if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) + break; + + for (i=(int)uReadSize-3; (i--)>0;) + { + // Signature "0x07064b50" Zip64 end of central directory locater + if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x06) && ((*(buf+i+3))==0x07)) + { + uPosFound = uReadPos+(unsigned)i; + break; + } + } + + if (uPosFound!=0) + break; + } + + free(buf); + if (uPosFound == 0) + return 0; + + /* Zip64 end of central directory locator */ + if (ZSEEK64(*pzlib_filefunc_def,filestream, uPosFound,ZLIB_FILEFUNC_SEEK_SET)!=0) + return 0; + + /* the signature, already checked */ + if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) + return 0; + + /* number of the disk with the start of the zip64 end of central directory */ + if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) + return 0; + if (uL != 0) + return 0; + + /* relative offset of the zip64 end of central directory record */ + if (zip64local_getLong64(pzlib_filefunc_def,filestream,&relativeOffset)!=ZIP_OK) + return 0; + + /* total number of disks */ + if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) + return 0; + if (uL != 1) + return 0; + + /* Goto Zip64 end of central directory record */ + if (ZSEEK64(*pzlib_filefunc_def,filestream, relativeOffset,ZLIB_FILEFUNC_SEEK_SET)!=0) + return 0; + + /* the signature */ + if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) + return 0; + + if (uL != 0x06064b50) // signature of 'Zip64 end of central directory' + return 0; + + return relativeOffset; +} + +local int LoadCentralDirectoryRecord(zip64_internal* pziinit) { + int err=ZIP_OK; + ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ + + ZPOS64_T size_central_dir; /* size of the central directory */ + ZPOS64_T offset_central_dir; /* offset of start of central directory */ + ZPOS64_T central_pos; + uLong uL; + + uLong number_disk; /* number of the current dist, used for + spanning ZIP, unsupported, always 0*/ + uLong number_disk_with_CD; /* number the the disk with central dir, used + for spanning ZIP, unsupported, always 0*/ + ZPOS64_T number_entry; + ZPOS64_T number_entry_CD; /* total number of entries in + the central dir + (same than number_entry on nospan) */ + uLong VersionMadeBy; + uLong VersionNeeded; + uLong size_comment; + + int hasZIP64Record = 0; + + // check first if we find a ZIP64 record + central_pos = zip64local_SearchCentralDir64(&pziinit->z_filefunc,pziinit->filestream); + if(central_pos > 0) + { + hasZIP64Record = 1; + } + else if(central_pos == 0) + { + central_pos = zip64local_SearchCentralDir(&pziinit->z_filefunc,pziinit->filestream); + } + +/* disable to allow appending to empty ZIP archive + if (central_pos==0) + err=ZIP_ERRNO; +*/ + + if(hasZIP64Record) + { + ZPOS64_T sizeEndOfCentralDirectory; + if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) + err=ZIP_ERRNO; + + /* the signature, already checked */ + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&uL)!=ZIP_OK) + err=ZIP_ERRNO; + + /* size of zip64 end of central directory record */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &sizeEndOfCentralDirectory)!=ZIP_OK) + err=ZIP_ERRNO; + + /* version made by */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &VersionMadeBy)!=ZIP_OK) + err=ZIP_ERRNO; + + /* version needed to extract */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &VersionNeeded)!=ZIP_OK) + err=ZIP_ERRNO; + + /* number of this disk */ + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&number_disk)!=ZIP_OK) + err=ZIP_ERRNO; + + /* number of the disk with the start of the central directory */ + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&number_disk_with_CD)!=ZIP_OK) + err=ZIP_ERRNO; + + /* total number of entries in the central directory on this disk */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &number_entry)!=ZIP_OK) + err=ZIP_ERRNO; + + /* total number of entries in the central directory */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream,&number_entry_CD)!=ZIP_OK) + err=ZIP_ERRNO; + + if ((number_entry_CD!=number_entry) || (number_disk_with_CD!=0) || (number_disk!=0)) + err=ZIP_BADZIPFILE; + + /* size of the central directory */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream,&size_central_dir)!=ZIP_OK) + err=ZIP_ERRNO; + + /* offset of start of central directory with respect to the + starting disk number */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream,&offset_central_dir)!=ZIP_OK) + err=ZIP_ERRNO; + + // TODO.. + // read the comment from the standard central header. + size_comment = 0; + } + else + { + // Read End of central Directory info + if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) + err=ZIP_ERRNO; + + /* the signature, already checked */ + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&uL)!=ZIP_OK) + err=ZIP_ERRNO; + + /* number of this disk */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream,&number_disk)!=ZIP_OK) + err=ZIP_ERRNO; + + /* number of the disk with the start of the central directory */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream,&number_disk_with_CD)!=ZIP_OK) + err=ZIP_ERRNO; + + /* total number of entries in the central dir on this disk */ + number_entry = 0; + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK) + err=ZIP_ERRNO; + else + number_entry = uL; + + /* total number of entries in the central dir */ + number_entry_CD = 0; + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK) + err=ZIP_ERRNO; + else + number_entry_CD = uL; + + if ((number_entry_CD!=number_entry) || (number_disk_with_CD!=0) || (number_disk!=0)) + err=ZIP_BADZIPFILE; + + /* size of the central directory */ + size_central_dir = 0; + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK) + err=ZIP_ERRNO; + else + size_central_dir = uL; + + /* offset of start of central directory with respect to the starting disk number */ + offset_central_dir = 0; + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK) + err=ZIP_ERRNO; + else + offset_central_dir = uL; + + + /* zipfile global comment length */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &size_comment)!=ZIP_OK) + err=ZIP_ERRNO; + } + + if ((central_posz_filefunc, pziinit->filestream); + return ZIP_ERRNO; + } + + if (size_comment>0) + { + pziinit->globalcomment = (char*)ALLOC(size_comment+1); + if (pziinit->globalcomment) + { + size_comment = ZREAD64(pziinit->z_filefunc, pziinit->filestream, pziinit->globalcomment,size_comment); + pziinit->globalcomment[size_comment]=0; + } + } + + byte_before_the_zipfile = central_pos - (offset_central_dir+size_central_dir); + pziinit->add_position_when_writing_offset = byte_before_the_zipfile; + + { + ZPOS64_T size_central_dir_to_read = size_central_dir; + size_t buf_size = SIZEDATA_INDATABLOCK; + void* buf_read = (void*)ALLOC(buf_size); + if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, offset_central_dir + byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET) != 0) + err=ZIP_ERRNO; + + while ((size_central_dir_to_read>0) && (err==ZIP_OK)) + { + ZPOS64_T read_this = SIZEDATA_INDATABLOCK; + if (read_this > size_central_dir_to_read) + read_this = size_central_dir_to_read; + + if (ZREAD64(pziinit->z_filefunc, pziinit->filestream,buf_read,(uLong)read_this) != read_this) + err=ZIP_ERRNO; + + if (err==ZIP_OK) + err = add_data_in_datablock(&pziinit->central_dir,buf_read, (uLong)read_this); + + size_central_dir_to_read-=read_this; + } + free(buf_read); + } + pziinit->begin_pos = byte_before_the_zipfile; + pziinit->number_entry = number_entry_CD; + + if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET) != 0) + err=ZIP_ERRNO; + + return err; +} + + #endif /* !NO_ADDFILEINEXISTINGZIP*/ + /************************************************************/ -extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc_def) - const char *pathname; - int append; - zipcharpc* globalcomment; - zlib_filefunc_def* pzlib_filefunc_def; -{ - zip_internal ziinit; - zip_internal* zi; +extern zipFile ZEXPORT zipOpen3(const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_32_def* pzlib_filefunc64_32_def) { + zip64_internal ziinit; + zip64_internal* zi; int err=ZIP_OK; - - if (pzlib_filefunc_def==NULL) - fill_fopen_filefunc(&ziinit.z_filefunc); + ziinit.z_filefunc.zseek32_file = NULL; + ziinit.z_filefunc.ztell32_file = NULL; + if (pzlib_filefunc64_32_def==NULL) + fill_fopen64_filefunc(&ziinit.z_filefunc.zfile_func64); else - ziinit.z_filefunc = *pzlib_filefunc_def; + ziinit.z_filefunc = *pzlib_filefunc64_32_def; - ziinit.filestream = (*(ziinit.z_filefunc.zopen_file)) - (ziinit.z_filefunc.opaque, + ziinit.filestream = ZOPEN64(ziinit.z_filefunc, pathname, (append == APPEND_STATUS_CREATE) ? (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE) : @@ -521,18 +833,23 @@ extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc if (ziinit.filestream == NULL) return NULL; - ziinit.begin_pos = ZTELL(ziinit.z_filefunc,ziinit.filestream); + + if (append == APPEND_STATUS_CREATEAFTER) + ZSEEK64(ziinit.z_filefunc,ziinit.filestream,0,SEEK_END); + + ziinit.begin_pos = ZTELL64(ziinit.z_filefunc,ziinit.filestream); ziinit.in_opened_file_inzip = 0; ziinit.ci.stream_initialised = 0; ziinit.number_entry = 0; - ziinit.add_position_when_writting_offset = 0; + ziinit.add_position_when_writing_offset = 0; init_linkedlist(&(ziinit.central_dir)); - zi = (zip_internal*)ALLOC(sizeof(zip_internal)); + + zi = (zip64_internal*)ALLOC(sizeof(zip64_internal)); if (zi==NULL) { - ZCLOSE(ziinit.z_filefunc,ziinit.filestream); + ZCLOSE64(ziinit.z_filefunc,ziinit.filestream); return NULL; } @@ -541,122 +858,8 @@ extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc ziinit.globalcomment = NULL; if (append == APPEND_STATUS_ADDINZIP) { - uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ - - uLong size_central_dir; /* size of the central directory */ - uLong offset_central_dir; /* offset of start of central directory */ - uLong central_pos,uL; - - uLong number_disk; /* number of the current dist, used for - spaning ZIP, unsupported, always 0*/ - uLong number_disk_with_CD; /* number the the disk with central dir, used - for spaning ZIP, unsupported, always 0*/ - uLong number_entry; - uLong number_entry_CD; /* total number of entries in - the central dir - (same than number_entry on nospan) */ - uLong size_comment; - - central_pos = ziplocal_SearchCentralDir(&ziinit.z_filefunc,ziinit.filestream); - if (central_pos==0) - err=ZIP_ERRNO; - - if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, - central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) - err=ZIP_ERRNO; - - /* the signature, already checked */ - if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&uL)!=ZIP_OK) - err=ZIP_ERRNO; - - /* number of this disk */ - if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk)!=ZIP_OK) - err=ZIP_ERRNO; - - /* number of the disk with the start of the central directory */ - if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk_with_CD)!=ZIP_OK) - err=ZIP_ERRNO; - - /* total number of entries in the central dir on this disk */ - if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry)!=ZIP_OK) - err=ZIP_ERRNO; - - /* total number of entries in the central dir */ - if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry_CD)!=ZIP_OK) - err=ZIP_ERRNO; - - if ((number_entry_CD!=number_entry) || - (number_disk_with_CD!=0) || - (number_disk!=0)) - err=ZIP_BADZIPFILE; - - /* size of the central directory */ - if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&size_central_dir)!=ZIP_OK) - err=ZIP_ERRNO; - - /* offset of start of central directory with respect to the - starting disk number */ - if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&offset_central_dir)!=ZIP_OK) - err=ZIP_ERRNO; - - /* zipfile global comment length */ - if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&size_comment)!=ZIP_OK) - err=ZIP_ERRNO; - - if ((central_pos0) - { - ziinit.globalcomment = ALLOC(size_comment+1); - if (ziinit.globalcomment) - { - size_comment = ZREAD(ziinit.z_filefunc, ziinit.filestream,ziinit.globalcomment,size_comment); - ziinit.globalcomment[size_comment]=0; - } - } - - byte_before_the_zipfile = central_pos - - (offset_central_dir+size_central_dir); - ziinit.add_position_when_writting_offset = byte_before_the_zipfile; - - { - uLong size_central_dir_to_read = size_central_dir; - size_t buf_size = SIZEDATA_INDATABLOCK; - void* buf_read = (void*)ALLOC(buf_size); - if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, - offset_central_dir + byte_before_the_zipfile, - ZLIB_FILEFUNC_SEEK_SET) != 0) - err=ZIP_ERRNO; - - while ((size_central_dir_to_read>0) && (err==ZIP_OK)) - { - uLong read_this = SIZEDATA_INDATABLOCK; - if (read_this > size_central_dir_to_read) - read_this = size_central_dir_to_read; - if (ZREAD(ziinit.z_filefunc, ziinit.filestream,buf_read,read_this) != read_this) - err=ZIP_ERRNO; - - if (err==ZIP_OK) - err = add_data_in_datablock(&ziinit.central_dir,buf_read, - (uLong)read_this); - size_central_dir_to_read-=read_this; - } - TRYFREE(buf_read); - } - ziinit.begin_pos = byte_before_the_zipfile; - ziinit.number_entry = number_entry_CD; - - if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, - offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0) - err=ZIP_ERRNO; + // Read and Cache Central Directory Records + err = LoadCentralDirectoryRecord(&ziinit); } if (globalcomment) @@ -668,9 +871,9 @@ extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc if (err != ZIP_OK) { # ifndef NO_ADDFILEINEXISTINGZIP - TRYFREE(ziinit.globalcomment); + free(ziinit.globalcomment); # endif /* !NO_ADDFILEINEXISTINGZIP*/ - TRYFREE(zi); + free(zi); return NULL; } else @@ -680,53 +883,178 @@ extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc } } -extern zipFile ZEXPORT zipOpen (pathname, append) - const char *pathname; - int append; -{ - return zipOpen2(pathname,append,NULL,NULL); +extern zipFile ZEXPORT zipOpen2(const char *pathname, int append, zipcharpc* globalcomment, zlib_filefunc_def* pzlib_filefunc32_def) { + if (pzlib_filefunc32_def != NULL) + { + zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; + fill_zlib_filefunc64_32_def_from_filefunc32(&zlib_filefunc64_32_def_fill,pzlib_filefunc32_def); + return zipOpen3(pathname, append, globalcomment, &zlib_filefunc64_32_def_fill); + } + else + return zipOpen3(pathname, append, globalcomment, NULL); } -extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - windowBits, memLevel, strategy, - password, crcForCrypting) - zipFile file; - const char* filename; - const zip_fileinfo* zipfi; - const void* extrafield_local; - uInt size_extrafield_local; - const void* extrafield_global; - uInt size_extrafield_global; - const char* comment; - int method; - int level; - int raw; - int windowBits; - int memLevel; - int strategy; - const char* password; - uLong crcForCrypting; -{ - zip_internal* zi; +extern zipFile ZEXPORT zipOpen2_64(const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_def* pzlib_filefunc_def) { + if (pzlib_filefunc_def != NULL) + { + zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; + zlib_filefunc64_32_def_fill.zfile_func64 = *pzlib_filefunc_def; + zlib_filefunc64_32_def_fill.ztell32_file = NULL; + zlib_filefunc64_32_def_fill.zseek32_file = NULL; + return zipOpen3(pathname, append, globalcomment, &zlib_filefunc64_32_def_fill); + } + else + return zipOpen3(pathname, append, globalcomment, NULL); +} + + + +extern zipFile ZEXPORT zipOpen(const char* pathname, int append) { + return zipOpen3((const void*)pathname,append,NULL,NULL); +} + +extern zipFile ZEXPORT zipOpen64(const void* pathname, int append) { + return zipOpen3(pathname,append,NULL,NULL); +} + +local int Write_LocalFileHeader(zip64_internal* zi, const char* filename, uInt size_extrafield_local, const void* extrafield_local) { + /* write the local header */ + int err; + uInt size_filename = (uInt)strlen(filename); + uInt size_extrafield = size_extrafield_local; + + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC, 4); + + if (err==ZIP_OK) + { + if(zi->ci.zip64) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)45,2);/* version needed to extract */ + else + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */ + } + + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2); + + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2); + + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4); + + // CRC / Compressed size / Uncompressed size will be filled in later and rewritten later + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */ + if (err==ZIP_OK) + { + if(zi->ci.zip64) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xFFFFFFFF,4); /* compressed size, unknown */ + else + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */ + } + if (err==ZIP_OK) + { + if(zi->ci.zip64) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xFFFFFFFF,4); /* uncompressed size, unknown */ + else + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */ + } + + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2); + + if(zi->ci.zip64) + { + size_extrafield += 20; + } + + if (err==ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield,2); + + if ((err==ZIP_OK) && (size_filename > 0)) + { + if (ZWRITE64(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename) + err = ZIP_ERRNO; + } + + if ((err==ZIP_OK) && (size_extrafield_local > 0)) + { + if (ZWRITE64(zi->z_filefunc, zi->filestream, extrafield_local, size_extrafield_local) != size_extrafield_local) + err = ZIP_ERRNO; + } + + + if ((err==ZIP_OK) && (zi->ci.zip64)) + { + // write the Zip64 extended info + short HeaderID = 1; + short DataSize = 16; + ZPOS64_T CompressedSize = 0; + ZPOS64_T UncompressedSize = 0; + + // Remember position of Zip64 extended info for the local file header. (needed when we update size after done with file) + zi->ci.pos_zip64extrainfo = ZTELL64(zi->z_filefunc,zi->filestream); + + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)HeaderID,2); + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)DataSize,2); + + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)UncompressedSize,8); + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)CompressedSize,8); + } + + return err; +} + +/* + NOTE. + When writing RAW the ZIP64 extended information in extrafield_local and extrafield_global needs to be stripped + before calling this function it can be done with zipRemoveExtraInfoBlock + + It is not done here because then we need to realloc a new buffer since parameters are 'const' and I want to minimize + unnecessary allocations. + */ +extern int ZEXPORT zipOpenNewFileInZip4_64(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits,int memLevel, int strategy, + const char* password, uLong crcForCrypting, + uLong versionMadeBy, uLong flagBase, int zip64) { + zip64_internal* zi; uInt size_filename; uInt size_comment; uInt i; int err = ZIP_OK; # ifdef NOCRYPT + (crcForCrypting); if (password != NULL) return ZIP_PARAMERROR; # endif if (file == NULL) return ZIP_PARAMERROR; + +#ifdef HAVE_BZIP2 + if ((method!=0) && (method!=Z_DEFLATED) && (method!=Z_BZIP2ED)) + return ZIP_PARAMERROR; +#else if ((method!=0) && (method!=Z_DEFLATED)) + return ZIP_PARAMERROR; +#endif + + // The filename and comment length must fit in 16 bits. + if ((filename!=NULL) && (strlen(filename)>0xffff)) + return ZIP_PARAMERROR; + if ((comment!=NULL) && (strlen(comment)>0xffff)) + return ZIP_PARAMERROR; + // The extra field length must fit in 16 bits. If the member also requires + // a Zip64 extra block, that will also need to fit within that 16-bit + // length, but that will be checked for later. + if ((size_extrafield_local>0xffff) || (size_extrafield_global>0xffff)) return ZIP_PARAMERROR; - zi = (zip_internal*)file; + zi = (zip64_internal*)file; if (zi->in_opened_file_inzip == 1) { @@ -735,7 +1063,6 @@ extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi, return err; } - if (filename==NULL) filename="-"; @@ -752,15 +1079,16 @@ extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi, { if (zipfi->dosDate != 0) zi->ci.dosDate = zipfi->dosDate; - else zi->ci.dosDate = ziplocal_TmzDateToDosDate(&zipfi->tmz_date,zipfi->dosDate); + else + zi->ci.dosDate = zip64local_TmzDateToDosDate(&zipfi->tmz_date); } - zi->ci.flag = 0; + zi->ci.flag = flagBase; if ((level==8) || (level==9)) zi->ci.flag |= 2; - if ((level==2)) + if (level==2) zi->ci.flag |= 4; - if ((level==1)) + if (level==1) zi->ci.flag |= 6; if (password != NULL) zi->ci.flag |= 1; @@ -771,37 +1099,43 @@ extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi, zi->ci.stream_initialised = 0; zi->ci.pos_in_buffered_data = 0; zi->ci.raw = raw; - zi->ci.pos_local_header = ZTELL(zi->z_filefunc,zi->filestream) ; - zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename + - size_extrafield_global + size_comment; - zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader); + zi->ci.pos_local_header = ZTELL64(zi->z_filefunc,zi->filestream); - ziplocal_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4); + zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename + size_extrafield_global + size_comment; + zi->ci.size_centralExtraFree = 32; // Extra space we have reserved in case we need to add ZIP64 extra info data + + zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader + zi->ci.size_centralExtraFree); + + zi->ci.size_centralExtra = size_extrafield_global; + zip64local_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4); /* version info */ - ziplocal_putValue_inmemory(zi->ci.central_header+4,(uLong)VERSIONMADEBY,2); - ziplocal_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2); - ziplocal_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2); - ziplocal_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2); - ziplocal_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4); - ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/ - ziplocal_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/ - ziplocal_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/ - ziplocal_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2); - ziplocal_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2); - ziplocal_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2); - ziplocal_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/ + zip64local_putValue_inmemory(zi->ci.central_header+4,(uLong)versionMadeBy,2); + zip64local_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2); + zip64local_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2); + zip64local_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2); + zip64local_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4); + zip64local_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/ + zip64local_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/ + zip64local_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/ + zip64local_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2); + zip64local_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2); + zip64local_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2); + zip64local_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/ if (zipfi==NULL) - ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2); + zip64local_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2); else - ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2); + zip64local_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2); if (zipfi==NULL) - ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4); + zip64local_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4); else - ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4); + zip64local_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4); - ziplocal_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header- zi->add_position_when_writting_offset,4); + if(zi->ci.pos_local_header >= 0xffffffff) + zip64local_putValue_inmemory(zi->ci.central_header+42,(uLong)0xffffffff,4); + else + zip64local_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header - zi->add_position_when_writing_offset,4); for (i=0;ici.central_header+SIZECENTRALHEADER+i) = *(filename+i); @@ -816,63 +1150,66 @@ extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi, if (zi->ci.central_header == NULL) return ZIP_INTERNALERROR; - /* write the local header */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC,4); + zi->ci.zip64 = zip64; + zi->ci.totalCompressedData = 0; + zi->ci.totalUncompressedData = 0; + zi->ci.pos_zip64extrainfo = 0; - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */ - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2); + err = Write_LocalFileHeader(zi, filename, size_extrafield_local, extrafield_local); - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2); - - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4); - - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */ - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */ - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */ - - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2); - - if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield_local,2); - - if ((err==ZIP_OK) && (size_filename>0)) - if (ZWRITE(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename) - err = ZIP_ERRNO; - - if ((err==ZIP_OK) && (size_extrafield_local>0)) - if (ZWRITE(zi->z_filefunc,zi->filestream,extrafield_local,size_extrafield_local) - !=size_extrafield_local) - err = ZIP_ERRNO; +#ifdef HAVE_BZIP2 + zi->ci.bstream.avail_in = (uInt)0; + zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; + zi->ci.bstream.total_in_hi32 = 0; + zi->ci.bstream.total_in_lo32 = 0; + zi->ci.bstream.total_out_hi32 = 0; + zi->ci.bstream.total_out_lo32 = 0; +#endif zi->ci.stream.avail_in = (uInt)0; zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; zi->ci.stream.next_out = zi->ci.buffered_data; zi->ci.stream.total_in = 0; zi->ci.stream.total_out = 0; + zi->ci.stream.data_type = Z_BINARY; +#ifdef HAVE_BZIP2 + if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED || zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) +#else if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) +#endif { - zi->ci.stream.zalloc = (alloc_func)0; - zi->ci.stream.zfree = (free_func)0; - zi->ci.stream.opaque = (voidpf)0; + if(zi->ci.method == Z_DEFLATED) + { + zi->ci.stream.zalloc = (alloc_func)0; + zi->ci.stream.zfree = (free_func)0; + zi->ci.stream.opaque = (voidpf)0; - if (windowBits>0) - windowBits = -windowBits; + if (windowBits>0) + windowBits = -windowBits; - err = deflateInit2(&zi->ci.stream, level, - Z_DEFLATED, windowBits, memLevel, strategy); + err = deflateInit2(&zi->ci.stream, level, Z_DEFLATED, windowBits, memLevel, strategy); + + if (err==Z_OK) + zi->ci.stream_initialised = Z_DEFLATED; + } + else if(zi->ci.method == Z_BZIP2ED) + { +#ifdef HAVE_BZIP2 + // Init BZip stuff here + zi->ci.bstream.bzalloc = 0; + zi->ci.bstream.bzfree = 0; + zi->ci.bstream.opaque = (voidpf)0; + + err = BZ2_bzCompressInit(&zi->ci.bstream, level, 0,35); + if(err == BZ_OK) + zi->ci.stream_initialised = Z_BZIP2ED; +#endif + } - if (err==Z_OK) - zi->ci.stream_initialised = 1; } + # ifndef NOCRYPT zi->ci.crypt_header_size = 0; if ((err==Z_OK) && (password != NULL)) @@ -886,7 +1223,7 @@ extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi, sizeHead=crypthead(password,bufHead,RAND_HEAD_LEN,zi->ci.keys,zi->ci.pcrc_32_tab,crcForCrypting); zi->ci.crypt_header_size = sizeHead; - if (ZWRITE(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead) + if (ZWRITE64(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead) err = ZIP_ERRNO; } # endif @@ -896,54 +1233,98 @@ extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi, return err; } -extern int ZEXPORT zipOpenNewFileInZip2(file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw) - zipFile file; - const char* filename; - const zip_fileinfo* zipfi; - const void* extrafield_local; - uInt size_extrafield_local; - const void* extrafield_global; - uInt size_extrafield_global; - const char* comment; - int method; - int level; - int raw; -{ - return zipOpenNewFileInZip3 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, - NULL, 0); +extern int ZEXPORT zipOpenNewFileInZip4(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits,int memLevel, int strategy, + const char* password, uLong crcForCrypting, + uLong versionMadeBy, uLong flagBase) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting, versionMadeBy, flagBase, 0); } -extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level) - zipFile file; - const char* filename; - const zip_fileinfo* zipfi; - const void* extrafield_local; - uInt size_extrafield_local; - const void* extrafield_global; - uInt size_extrafield_global; - const char* comment; - int method; - int level; -{ - return zipOpenNewFileInZip2 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, 0); +extern int ZEXPORT zipOpenNewFileInZip3(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits,int memLevel, int strategy, + const char* password, uLong crcForCrypting) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting, VERSIONMADEBY, 0, 0); } -local int zipFlushWriteBuffer(zi) - zip_internal* zi; -{ +extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits,int memLevel, int strategy, + const char* password, uLong crcForCrypting, int zip64) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting, VERSIONMADEBY, 0, zip64); +} + +extern int ZEXPORT zipOpenNewFileInZip2(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, 0); +} + +extern int ZEXPORT zipOpenNewFileInZip2_64(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, int zip64) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, zip64); +} + +extern int ZEXPORT zipOpenNewFileInZip64(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void*extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int zip64) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, 0, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, zip64); +} + +extern int ZEXPORT zipOpenNewFileInZip(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void*extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, 0, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, 0); +} + +local int zip64FlushWriteBuffer(zip64_internal* zi) { int err=ZIP_OK; if (zi->ci.encrypt != 0) @@ -952,169 +1333,366 @@ local int zipFlushWriteBuffer(zi) uInt i; int t; for (i=0;ici.pos_in_buffered_data;i++) - zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab, - zi->ci.buffered_data[i],t); + zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab, zi->ci.buffered_data[i],t); #endif } - if (ZWRITE(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data) - !=zi->ci.pos_in_buffered_data) + + if (ZWRITE64(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data) != zi->ci.pos_in_buffered_data) err = ZIP_ERRNO; + + zi->ci.totalCompressedData += zi->ci.pos_in_buffered_data; + +#ifdef HAVE_BZIP2 + if(zi->ci.method == Z_BZIP2ED) + { + zi->ci.totalUncompressedData += zi->ci.bstream.total_in_lo32; + zi->ci.bstream.total_in_lo32 = 0; + zi->ci.bstream.total_in_hi32 = 0; + } + else +#endif + { + zi->ci.totalUncompressedData += zi->ci.stream.total_in; + zi->ci.stream.total_in = 0; + } + + zi->ci.pos_in_buffered_data = 0; + return err; } -extern int ZEXPORT zipWriteInFileInZip (file, buf, len) - zipFile file; - const void* buf; - unsigned len; -{ - zip_internal* zi; +extern int ZEXPORT zipWriteInFileInZip(zipFile file, const void* buf, unsigned int len) { + zip64_internal* zi; int err=ZIP_OK; if (file == NULL) return ZIP_PARAMERROR; - zi = (zip_internal*)file; + zi = (zip64_internal*)file; if (zi->in_opened_file_inzip == 0) return ZIP_PARAMERROR; - zi->ci.stream.next_in = (void*)buf; - zi->ci.stream.avail_in = len; - zi->ci.crc32 = crc32(zi->ci.crc32,buf,len); + zi->ci.crc32 = crc32(zi->ci.crc32,buf,(uInt)len); - while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0)) +#ifdef HAVE_BZIP2 + if(zi->ci.method == Z_BZIP2ED && (!zi->ci.raw)) { - if (zi->ci.stream.avail_out == 0) + zi->ci.bstream.next_in = (void*)buf; + zi->ci.bstream.avail_in = len; + err = BZ_RUN_OK; + + while ((err==BZ_RUN_OK) && (zi->ci.bstream.avail_in>0)) + { + if (zi->ci.bstream.avail_out == 0) { - if (zipFlushWriteBuffer(zi) == ZIP_ERRNO) - err = ZIP_ERRNO; - zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; - zi->ci.stream.next_out = zi->ci.buffered_data; + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; } - if(err != ZIP_OK) - break; + if(err != BZ_RUN_OK) + break; - if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) + if ((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) { - uLong uTotalOutBefore = zi->ci.stream.total_out; - err=deflate(&zi->ci.stream, Z_NO_FLUSH); - zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; + uLong uTotalOutBefore_lo = zi->ci.bstream.total_out_lo32; +// uLong uTotalOutBefore_hi = zi->ci.bstream.total_out_hi32; + err=BZ2_bzCompress(&zi->ci.bstream, BZ_RUN); + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.bstream.total_out_lo32 - uTotalOutBefore_lo) ; } - else - { - uInt copy_this,i; - if (zi->ci.stream.avail_in < zi->ci.stream.avail_out) - copy_this = zi->ci.stream.avail_in; - else - copy_this = zi->ci.stream.avail_out; - for (i=0;ici.stream.next_out)+i) = - *(((const char*)zi->ci.stream.next_in)+i); - { - zi->ci.stream.avail_in -= copy_this; - zi->ci.stream.avail_out-= copy_this; - zi->ci.stream.next_in+= copy_this; - zi->ci.stream.next_out+= copy_this; - zi->ci.stream.total_in+= copy_this; - zi->ci.stream.total_out+= copy_this; - zi->ci.pos_in_buffered_data += copy_this; - } - } + } + + if(err == BZ_RUN_OK) + err = ZIP_OK; + } + else +#endif + { + zi->ci.stream.next_in = (Bytef*)(uintptr_t)buf; + zi->ci.stream.avail_in = len; + + while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0)) + { + if (zi->ci.stream.avail_out == 0) + { + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.stream.next_out = zi->ci.buffered_data; + } + + + if(err != ZIP_OK) + break; + + if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) + { + uLong uTotalOutBefore = zi->ci.stream.total_out; + err=deflate(&zi->ci.stream, Z_NO_FLUSH); + + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; + } + else + { + uInt copy_this,i; + if (zi->ci.stream.avail_in < zi->ci.stream.avail_out) + copy_this = zi->ci.stream.avail_in; + else + copy_this = zi->ci.stream.avail_out; + + for (i = 0; i < copy_this; i++) + *(((char*)zi->ci.stream.next_out)+i) = + *(((const char*)zi->ci.stream.next_in)+i); + { + zi->ci.stream.avail_in -= copy_this; + zi->ci.stream.avail_out-= copy_this; + zi->ci.stream.next_in+= copy_this; + zi->ci.stream.next_out+= copy_this; + zi->ci.stream.total_in+= copy_this; + zi->ci.stream.total_out+= copy_this; + zi->ci.pos_in_buffered_data += copy_this; + } + } + }// while(...) } return err; } -extern int ZEXPORT zipCloseFileInZipRaw (file, uncompressed_size, crc32) - zipFile file; - uLong uncompressed_size; - uLong crc32; -{ - zip_internal* zi; - uLong compressed_size; +extern int ZEXPORT zipCloseFileInZipRaw(zipFile file, uLong uncompressed_size, uLong crc32) { + return zipCloseFileInZipRaw64 (file, uncompressed_size, crc32); +} + +extern int ZEXPORT zipCloseFileInZipRaw64(zipFile file, ZPOS64_T uncompressed_size, uLong crc32) { + zip64_internal* zi; + ZPOS64_T compressed_size; + uLong invalidValue = 0xffffffff; + unsigned datasize = 0; int err=ZIP_OK; if (file == NULL) return ZIP_PARAMERROR; - zi = (zip_internal*)file; + zi = (zip64_internal*)file; if (zi->in_opened_file_inzip == 0) return ZIP_PARAMERROR; zi->ci.stream.avail_in = 0; if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) - while (err==ZIP_OK) + { + while (err==ZIP_OK) + { + uLong uTotalOutBefore; + if (zi->ci.stream.avail_out == 0) + { + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.stream.next_out = zi->ci.buffered_data; + } + uTotalOutBefore = zi->ci.stream.total_out; + err=deflate(&zi->ci.stream, Z_FINISH); + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; + } + } + else if ((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) { +#ifdef HAVE_BZIP2 + err = BZ_FINISH_OK; + while (err==BZ_FINISH_OK) + { uLong uTotalOutBefore; - if (zi->ci.stream.avail_out == 0) + if (zi->ci.bstream.avail_out == 0) { - if (zipFlushWriteBuffer(zi) == ZIP_ERRNO) - err = ZIP_ERRNO; - zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; - zi->ci.stream.next_out = zi->ci.buffered_data; + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; } - uTotalOutBefore = zi->ci.stream.total_out; - err=deflate(&zi->ci.stream, Z_FINISH); - zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; + uTotalOutBefore = zi->ci.bstream.total_out_lo32; + err=BZ2_bzCompress(&zi->ci.bstream, BZ_FINISH); + if(err == BZ_STREAM_END) + err = Z_STREAM_END; + + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.bstream.total_out_lo32 - uTotalOutBefore); + } + + if(err == BZ_FINISH_OK) + err = ZIP_OK; +#endif } if (err==Z_STREAM_END) err=ZIP_OK; /* this is normal */ if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK)) - if (zipFlushWriteBuffer(zi)==ZIP_ERRNO) + { + if (zip64FlushWriteBuffer(zi)==ZIP_ERRNO) err = ZIP_ERRNO; + } if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) { - err=deflateEnd(&zi->ci.stream); + int tmp_err = deflateEnd(&zi->ci.stream); + if (err == ZIP_OK) + err = tmp_err; zi->ci.stream_initialised = 0; } +#ifdef HAVE_BZIP2 + else if((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) + { + int tmperr = BZ2_bzCompressEnd(&zi->ci.bstream); + if (err==ZIP_OK) + err = tmperr; + zi->ci.stream_initialised = 0; + } +#endif if (!zi->ci.raw) { crc32 = (uLong)zi->ci.crc32; - uncompressed_size = (uLong)zi->ci.stream.total_in; + uncompressed_size = zi->ci.totalUncompressedData; } - compressed_size = (uLong)zi->ci.stream.total_out; + compressed_size = zi->ci.totalCompressedData; + # ifndef NOCRYPT compressed_size += zi->ci.crypt_header_size; # endif - ziplocal_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/ - ziplocal_putValue_inmemory(zi->ci.central_header+20, - compressed_size,4); /*compr size*/ + // update Current Item crc and sizes, + if(compressed_size >= 0xffffffff || uncompressed_size >= 0xffffffff || zi->ci.pos_local_header >= 0xffffffff) + { + /*version Made by*/ + zip64local_putValue_inmemory(zi->ci.central_header+4,(uLong)45,2); + /*version needed*/ + zip64local_putValue_inmemory(zi->ci.central_header+6,(uLong)45,2); + + } + + zip64local_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/ + + + if(compressed_size >= 0xffffffff) + zip64local_putValue_inmemory(zi->ci.central_header+20, invalidValue,4); /*compr size*/ + else + zip64local_putValue_inmemory(zi->ci.central_header+20, compressed_size,4); /*compr size*/ + + /// set internal file attributes field if (zi->ci.stream.data_type == Z_ASCII) - ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2); - ziplocal_putValue_inmemory(zi->ci.central_header+24, - uncompressed_size,4); /*uncompr size*/ + zip64local_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2); + + if(uncompressed_size >= 0xffffffff) + zip64local_putValue_inmemory(zi->ci.central_header+24, invalidValue,4); /*uncompr size*/ + else + zip64local_putValue_inmemory(zi->ci.central_header+24, uncompressed_size,4); /*uncompr size*/ + + // Add ZIP64 extra info field for uncompressed size + if(uncompressed_size >= 0xffffffff) + datasize += 8; + + // Add ZIP64 extra info field for compressed size + if(compressed_size >= 0xffffffff) + datasize += 8; + + // Add ZIP64 extra info field for relative offset to local file header of current file + if(zi->ci.pos_local_header >= 0xffffffff) + datasize += 8; + + if(datasize > 0) + { + char* p = NULL; + + if((uLong)(datasize + 4) > zi->ci.size_centralExtraFree) + { + // we can not write more data to the buffer that we have room for. + return ZIP_BADZIPFILE; + } + + p = zi->ci.central_header + zi->ci.size_centralheader; + + // Add Extra Information Header for 'ZIP64 information' + zip64local_putValue_inmemory(p, 0x0001, 2); // HeaderID + p += 2; + zip64local_putValue_inmemory(p, datasize, 2); // DataSize + p += 2; + + if(uncompressed_size >= 0xffffffff) + { + zip64local_putValue_inmemory(p, uncompressed_size, 8); + p += 8; + } + + if(compressed_size >= 0xffffffff) + { + zip64local_putValue_inmemory(p, compressed_size, 8); + p += 8; + } + + if(zi->ci.pos_local_header >= 0xffffffff) + { + zip64local_putValue_inmemory(p, zi->ci.pos_local_header, 8); + p += 8; + } + + // Update how much extra free space we got in the memory buffer + // and increase the centralheader size so the new ZIP64 fields are included + // ( 4 below is the size of HeaderID and DataSize field ) + zi->ci.size_centralExtraFree -= datasize + 4; + zi->ci.size_centralheader += datasize + 4; + + // Update the extra info size field + zi->ci.size_centralExtra += datasize + 4; + zip64local_putValue_inmemory(zi->ci.central_header+30,(uLong)zi->ci.size_centralExtra,2); + } if (err==ZIP_OK) - err = add_data_in_datablock(&zi->central_dir,zi->ci.central_header, - (uLong)zi->ci.size_centralheader); + err = add_data_in_datablock(&zi->central_dir, zi->ci.central_header, (uLong)zi->ci.size_centralheader); + free(zi->ci.central_header); if (err==ZIP_OK) { - long cur_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream); - if (ZSEEK(zi->z_filefunc,zi->filestream, - zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0) + // Update the LocalFileHeader with the new values. + + ZPOS64_T cur_pos_inzip = ZTELL64(zi->z_filefunc,zi->filestream); + + if (ZSEEK64(zi->z_filefunc,zi->filestream, zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0) err = ZIP_ERRNO; if (err==ZIP_OK) - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */ - if (err==ZIP_OK) /* compressed size, unknown */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4); + if(uncompressed_size >= 0xffffffff || compressed_size >= 0xffffffff ) + { + if(zi->ci.pos_zip64extrainfo > 0) + { + // Update the size in the ZIP64 extended field. + if (ZSEEK64(zi->z_filefunc,zi->filestream, zi->ci.pos_zip64extrainfo + 4,ZLIB_FILEFUNC_SEEK_SET)!=0) + err = ZIP_ERRNO; - if (err==ZIP_OK) /* uncompressed size, unknown */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4); + if (err==ZIP_OK) /* compressed size, unknown */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, uncompressed_size, 8); - if (ZSEEK(zi->z_filefunc,zi->filestream, - cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0) + if (err==ZIP_OK) /* uncompressed size, unknown */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, compressed_size, 8); + } + else + err = ZIP_BADZIPFILE; // Caller passed zip64 = 0, so no room for zip64 info -> fatal + } + else + { + if (err==ZIP_OK) /* compressed size, unknown */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4); + + if (err==ZIP_OK) /* uncompressed size, unknown */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4); + } + + if (ZSEEK64(zi->z_filefunc,zi->filestream, cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0) err = ZIP_ERRNO; } @@ -1124,24 +1702,145 @@ extern int ZEXPORT zipCloseFileInZipRaw (file, uncompressed_size, crc32) return err; } -extern int ZEXPORT zipCloseFileInZip (file) - zipFile file; -{ +extern int ZEXPORT zipCloseFileInZip(zipFile file) { return zipCloseFileInZipRaw (file,0,0); } -extern int ZEXPORT zipClose (file, global_comment) - zipFile file; - const char* global_comment; -{ - zip_internal* zi; +local int Write_Zip64EndOfCentralDirectoryLocator(zip64_internal* zi, ZPOS64_T zip64eocd_pos_inzip) { + int err = ZIP_OK; + ZPOS64_T pos = zip64eocd_pos_inzip - zi->add_position_when_writing_offset; + + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ZIP64ENDLOCHEADERMAGIC,4); + + /*num disks*/ + if (err==ZIP_OK) /* number of the disk with the start of the central directory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); + + /*relative offset*/ + if (err==ZIP_OK) /* Relative offset to the Zip64EndOfCentralDirectory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream, pos,8); + + /*total disks*/ /* Do not support spawning of disk so always say 1 here*/ + if (err==ZIP_OK) /* number of the disk with the start of the central directory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)1,4); + + return err; +} + +local int Write_Zip64EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) { + int err = ZIP_OK; + + uLong Zip64DataSize = 44; + + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ZIP64ENDHEADERMAGIC,4); + + if (err==ZIP_OK) /* size of this 'zip64 end of central directory' */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(ZPOS64_T)Zip64DataSize,8); // why ZPOS64_T of this ? + + if (err==ZIP_OK) /* version made by */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)45,2); + + if (err==ZIP_OK) /* version needed */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)45,2); + + if (err==ZIP_OK) /* number of this disk */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); + + if (err==ZIP_OK) /* number of the disk with the start of the central directory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); + + if (err==ZIP_OK) /* total number of entries in the central dir on this disk */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, zi->number_entry, 8); + + if (err==ZIP_OK) /* total number of entries in the central dir */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, zi->number_entry, 8); + + if (err==ZIP_OK) /* size of the central directory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(ZPOS64_T)size_centraldir,8); + + if (err==ZIP_OK) /* offset of start of central directory with respect to the starting disk number */ + { + ZPOS64_T pos = centraldir_pos_inzip - zi->add_position_when_writing_offset; + err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (ZPOS64_T)pos,8); + } + return err; +} + +local int Write_EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) { + int err = ZIP_OK; + + /*signature*/ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4); + + if (err==ZIP_OK) /* number of this disk */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); + + if (err==ZIP_OK) /* number of the disk with the start of the central directory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); + + if (err==ZIP_OK) /* total number of entries in the central dir on this disk */ + { + { + if(zi->number_entry >= 0xFFFF) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xffff,2); // use value in ZIP64 record + else + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); + } + } + + if (err==ZIP_OK) /* total number of entries in the central dir */ + { + if(zi->number_entry >= 0xFFFF) + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xffff,2); // use value in ZIP64 record + else + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); + } + + if (err==ZIP_OK) /* size of the central directory */ + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4); + + if (err==ZIP_OK) /* offset of start of central directory with respect to the starting disk number */ + { + ZPOS64_T pos = centraldir_pos_inzip - zi->add_position_when_writing_offset; + if(pos >= 0xffffffff) + { + err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)0xffffffff,4); + } + else + err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)(centraldir_pos_inzip - zi->add_position_when_writing_offset),4); + } + + return err; +} + +local int Write_GlobalComment(zip64_internal* zi, const char* global_comment) { + int err = ZIP_OK; + uInt size_global_comment = 0; + + if(global_comment != NULL) + size_global_comment = (uInt)strlen(global_comment); + + err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2); + + if (err == ZIP_OK && size_global_comment > 0) + { + if (ZWRITE64(zi->z_filefunc,zi->filestream, global_comment, size_global_comment) != size_global_comment) + err = ZIP_ERRNO; + } + return err; +} + +extern int ZEXPORT zipClose(zipFile file, const char* global_comment) { + zip64_internal* zi; int err = 0; uLong size_centraldir = 0; - uLong centraldir_pos_inzip; - uInt size_global_comment; + ZPOS64_T centraldir_pos_inzip; + ZPOS64_T pos; + if (file == NULL) return ZIP_PARAMERROR; - zi = (zip_internal*)file; + + zi = (zip64_internal*)file; if (zi->in_opened_file_inzip == 1) { @@ -1152,68 +1851,106 @@ extern int ZEXPORT zipClose (file, global_comment) if (global_comment==NULL) global_comment = zi->globalcomment; #endif - if (global_comment==NULL) - size_global_comment = 0; - else - size_global_comment = (uInt)strlen(global_comment); - centraldir_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream); + centraldir_pos_inzip = ZTELL64(zi->z_filefunc,zi->filestream); + if (err==ZIP_OK) { - linkedlist_datablock_internal* ldi = zi->central_dir.first_block ; + linkedlist_datablock_internal* ldi = zi->central_dir.first_block; while (ldi!=NULL) { if ((err==ZIP_OK) && (ldi->filled_in_this_block>0)) - if (ZWRITE(zi->z_filefunc,zi->filestream, - ldi->data,ldi->filled_in_this_block) - !=ldi->filled_in_this_block ) + { + if (ZWRITE64(zi->z_filefunc,zi->filestream, ldi->data, ldi->filled_in_this_block) != ldi->filled_in_this_block) err = ZIP_ERRNO; + } size_centraldir += ldi->filled_in_this_block; ldi = ldi->next_datablock; } } - free_datablock(zi->central_dir.first_block); + free_linkedlist(&(zi->central_dir)); - if (err==ZIP_OK) /* Magic End */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4); + pos = centraldir_pos_inzip - zi->add_position_when_writing_offset; + if(pos >= 0xffffffff || zi->number_entry > 0xFFFF) + { + ZPOS64_T Zip64EOCDpos = ZTELL64(zi->z_filefunc,zi->filestream); + Write_Zip64EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip); - if (err==ZIP_OK) /* number of this disk */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); + Write_Zip64EndOfCentralDirectoryLocator(zi, Zip64EOCDpos); + } - if (err==ZIP_OK) /* number of the disk with the start of the central directory */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); + if (err==ZIP_OK) + err = Write_EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip); - if (err==ZIP_OK) /* total number of entries in the central dir on this disk */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); + if(err == ZIP_OK) + err = Write_GlobalComment(zi, global_comment); - if (err==ZIP_OK) /* total number of entries in the central dir */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); - - if (err==ZIP_OK) /* size of the central directory */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4); - - if (err==ZIP_OK) /* offset of start of central directory with respect to the - starting disk number */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream, - (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4); - - if (err==ZIP_OK) /* zipfile comment length */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2); - - if ((err==ZIP_OK) && (size_global_comment>0)) - if (ZWRITE(zi->z_filefunc,zi->filestream, - global_comment,size_global_comment) != size_global_comment) - err = ZIP_ERRNO; - - if (ZCLOSE(zi->z_filefunc,zi->filestream) != 0) + if (ZCLOSE64(zi->z_filefunc,zi->filestream) != 0) if (err == ZIP_OK) err = ZIP_ERRNO; #ifndef NO_ADDFILEINEXISTINGZIP - TRYFREE(zi->globalcomment); + free(zi->globalcomment); #endif - TRYFREE(zi); + free(zi); return err; } + +extern int ZEXPORT zipRemoveExtraInfoBlock(char* pData, int* dataLen, short sHeader) { + char* p = pData; + int size = 0; + char* pNewHeader; + char* pTmp; + short header; + short dataSize; + + int retVal = ZIP_OK; + + if(pData == NULL || dataLen == NULL || *dataLen < 4) + return ZIP_PARAMERROR; + + pNewHeader = (char*)ALLOC((unsigned)*dataLen); + pTmp = pNewHeader; + + while(p < (pData + *dataLen)) + { + header = *(short*)p; + dataSize = *(((short*)p)+1); + + if( header == sHeader ) // Header found. + { + p += dataSize + 4; // skip it. do not copy to temp buffer + } + else + { + // Extra Info block should not be removed, So copy it to the temp buffer. + memcpy(pTmp, p, dataSize + 4); + p += dataSize + 4; + size += dataSize + 4; + } + + } + + if(size < *dataLen) + { + // clean old extra info block. + memset(pData,0, *dataLen); + + // copy the new extra info block over the old + if(size > 0) + memcpy(pData, pNewHeader, size); + + // set the new extra info size + *dataLen = size; + + retVal = ZIP_OK; + } + else + retVal = ZIP_ERRNO; + + free(pNewHeader); + + return retVal; +} diff --git a/zip_lib/zip.h b/zip_lib/zip.h index cd38b670..1256e7cf 100644 --- a/zip_lib/zip.h +++ b/zip_lib/zip.h @@ -1,19 +1,15 @@ -/* zip.h -- IO for compress .zip files using zlib - Version 1.01e, February 12th, 2005 +/* zip.h -- IO on .zip files using zlib + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - Copyright (C) 1998-2005 Gilles Vollant + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) - This unzip package allow creates .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 + Modifications for Zip64 support + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) - For uncompress .zip file, look at unzip.h + For more info read MiniZip_info.txt - - I WAIT FEEDBACK at mail info@winimage.com - Visit also http://www.winimage.com/zLibDll/unzip.html for evolution + --------------------------------------------------------------------------- Condition of use and distribution are the same than zlib : @@ -33,23 +29,23 @@ misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. + --------------------------------------------------------------------------- + + Changes + + See header of zip.h */ -/* 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 _zip_H -#define _zip_H +#ifndef _zip12_H +#define _zip12_H #ifdef __cplusplus extern "C" { #endif +//#define HAVE_BZIP2 + #ifndef _ZLIB_H #include "zlib.h" #endif @@ -58,6 +54,12 @@ extern "C" { #include "ioapi.h" #endif +#ifdef HAVE_BZIP2 +#include "bzlib.h" +#endif + +#define Z_BZIP2ED 12 + #if defined(STRICTZIP) || defined(STRICTZIPUNZIP) /* like the STRICT of WIN32, we define a pointer that cannot be converted from (void*) without cast */ @@ -86,12 +88,12 @@ typedef voidp zipFile; /* tm_zip contain date/time info */ typedef struct tm_zip_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] */ + int tm_sec; /* seconds after the minute - [0,59] */ + int tm_min; /* minutes after the hour - [0,59] */ + int tm_hour; /* hours since midnight - [0,23] */ + int tm_mday; /* day of the month - [1,31] */ + int tm_mon; /* months since January - [0,11] */ + int tm_year; /* years - [1980..2044] */ } tm_zip; typedef struct @@ -111,7 +113,8 @@ typedef const char* zipcharpc; #define APPEND_STATUS_CREATEAFTER (1) #define APPEND_STATUS_ADDINZIP (2) -extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append)); +extern zipFile ZEXPORT zipOpen(const char *pathname, int append); +extern zipFile ZEXPORT zipOpen64(const void *pathname, int append); /* Create a zipfile. pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on @@ -128,24 +131,47 @@ extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append)); /* Note : there is no delete function into a zipfile. If you want delete file into a zipfile, you must open a zipfile, and create another - Of couse, you can use RAW reading and writing to copy the file you did not want delte + Of course, you can use RAW reading and writing to copy the file you did not want delete */ -extern zipFile ZEXPORT zipOpen2 OF((const char *pathname, +extern zipFile ZEXPORT zipOpen2(const char *pathname, + int append, + zipcharpc* globalcomment, + zlib_filefunc_def* pzlib_filefunc_def); + +extern zipFile ZEXPORT zipOpen2_64(const void *pathname, int append, zipcharpc* globalcomment, - zlib_filefunc_def* pzlib_filefunc_def)); + zlib_filefunc64_def* pzlib_filefunc_def); + +extern zipFile ZEXPORT zipOpen3(const void *pathname, + int append, + zipcharpc* globalcomment, + zlib_filefunc64_32_def* pzlib_filefunc64_32_def); + +extern int ZEXPORT zipOpenNewFileInZip(zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level); + +extern int ZEXPORT zipOpenNewFileInZip64(zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int zip64); -extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file, - const char* filename, - const zip_fileinfo* zipfi, - const void* extrafield_local, - uInt size_extrafield_local, - const void* extrafield_global, - uInt size_extrafield_global, - const char* comment, - int method, - int level)); /* Open a file in the ZIP for writing. filename : the filename in zip (if NULL, '-' without quote will be used @@ -157,79 +183,182 @@ extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file, if comment != NULL, comment contain the comment string method contain the compression method (0 for store, Z_DEFLATED for deflate) level contain the level of compression (can be Z_DEFAULT_COMPRESSION) + zip64 is set to 1 if a zip64 extended information block should be added to the local file header. + this MUST be '1' if the uncompressed size is >= 0xffffffff. + */ -extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file, - const char* filename, - const zip_fileinfo* zipfi, - const void* extrafield_local, - uInt size_extrafield_local, - const void* extrafield_global, - uInt size_extrafield_global, - const char* comment, - int method, - int level, - int raw)); +extern int ZEXPORT zipOpenNewFileInZip2(zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw); + +extern int ZEXPORT zipOpenNewFileInZip2_64(zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw, + int zip64); /* Same than zipOpenNewFileInZip, except if raw=1, we write raw file */ -extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file, - const char* filename, - const zip_fileinfo* zipfi, - const void* extrafield_local, - uInt size_extrafield_local, - const void* extrafield_global, - uInt size_extrafield_global, - const char* comment, - int method, - int level, - int raw, - int windowBits, - int memLevel, - int strategy, - const char* password, - uLong crcForCtypting)); +extern int ZEXPORT zipOpenNewFileInZip3(zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw, + int windowBits, + int memLevel, + int strategy, + const char* password, + uLong crcForCrypting); + +extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw, + int windowBits, + int memLevel, + int strategy, + const char* password, + uLong crcForCrypting, + int zip64); /* Same than zipOpenNewFileInZip2, except windowBits,memLevel,,strategy : see parameter strategy in deflateInit2 password : crypting password (NULL for no crypting) - crcForCtypting : crc of file to compress (needed for crypting) + crcForCrypting : crc of file to compress (needed for crypting) + */ + +extern int ZEXPORT zipOpenNewFileInZip4(zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw, + int windowBits, + int memLevel, + int strategy, + const char* password, + uLong crcForCrypting, + uLong versionMadeBy, + uLong flagBase); + + +extern int ZEXPORT zipOpenNewFileInZip4_64(zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw, + int windowBits, + int memLevel, + int strategy, + const char* password, + uLong crcForCrypting, + uLong versionMadeBy, + uLong flagBase, + int zip64); +/* + Same than zipOpenNewFileInZip4, except + versionMadeBy : value for Version made by field + flag : value for flag field (compression level info will be added) */ -extern int ZEXPORT zipWriteInFileInZip OF((zipFile file, - const void* buf, - unsigned len)); +extern int ZEXPORT zipWriteInFileInZip(zipFile file, + const void* buf, + unsigned len); /* Write data in the zipfile */ -extern int ZEXPORT zipCloseFileInZip OF((zipFile file)); +extern int ZEXPORT zipCloseFileInZip(zipFile file); /* Close the current file in the zipfile */ -extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file, - uLong uncompressed_size, - uLong crc32)); +extern int ZEXPORT zipCloseFileInZipRaw(zipFile file, + uLong uncompressed_size, + uLong crc32); + +extern int ZEXPORT zipCloseFileInZipRaw64(zipFile file, + ZPOS64_T uncompressed_size, + uLong crc32); + /* - Close the current file in the zipfile, for fiel opened with + Close the current file in the zipfile, for file opened with parameter raw=1 in zipOpenNewFileInZip2 uncompressed_size and crc32 are value for the uncompressed size */ -extern int ZEXPORT zipClose OF((zipFile file, - const char* global_comment)); +extern int ZEXPORT zipClose(zipFile file, + const char* global_comment); /* Close the zipfile */ + +extern int ZEXPORT zipRemoveExtraInfoBlock(char* pData, int* dataLen, short sHeader); +/* + zipRemoveExtraInfoBlock - Added by Mathias Svensson + + Remove extra information block from a extra information data for the local file header or central directory header + + It is needed to remove ZIP64 extra information blocks when before data is written if using RAW mode. + + 0x0001 is the signature header for the ZIP64 extra information blocks + + usage. + Remove ZIP64 Extra information from a central director extra field data + zipRemoveExtraInfoBlock(pCenDirExtraFieldData, &nCenDirExtraFieldDataLen, 0x0001); + + Remove ZIP64 Extra information from a Local File Header extra field data + zipRemoveExtraInfoBlock(pLocalHeaderExtraFieldData, &nLocalHeaderExtraFieldDataLen, 0x0001); +*/ + #ifdef __cplusplus } #endif -#endif /* _zip_H */ +#endif /* _zip64_H */