diff --git a/unzip/crypt.h b/unzip/crypt.h index 29ba65c8..f4b93b78 100644 --- a/unzip/crypt.h +++ b/unzip/crypt.h @@ -1,9 +1,9 @@ /* crypt.h -- base code for crypt/uncrypt ZIPfile - Version 1.01h, December 28th, 2009 + Version 1.01e, February 12th, 2005 - Copyright (C) 1998-2009 Gilles Vollant + Copyright (C) 1998-2005 Gilles Vollant This code is a modified version of crypting code in Infozip distribution @@ -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); } @@ -45,13 +45,12 @@ 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; { - int keyshift = (int)((*(pkeys+1)) >> 24); + register int keyshift = (int)((*(pkeys+1)) >> 24); (*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift); } return c; @@ -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/unzip/ioapi.c b/unzip/ioapi.c index 51a90581..782d3246 100644 --- a/unzip/ioapi.c +++ b/unzip/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 1.01h, December 28th, 2009 + 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) 1998-2009 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 : @@ -141,32 +163,52 @@ long ZCALLBACK fseek_file_func (opaque, stream, offset, origin) default: return -1; } ret = 0; - if (fseek((FILE *)stream, offset, fseek_origin) != 0) + 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; @@ -176,3 +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/unzip/ioapi.h b/unzip/ioapi.h index 75171b9b..a2d2e6e6 100644 --- a/unzip/ioapi.h +++ b/unzip/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 1.01h, December 28th, 2009 + 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) 1998-2009 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) @@ -21,31 +122,29 @@ #define ZLIB_FILEFUNC_MODE_EXISTING (4) #define ZLIB_FILEFUNC_MODE_CREATE (8) -#ifndef OF -#define OF(x) x -#endif #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 */ typedef struct zlib_filefunc_def_s { open_file_func zopen_file; @@ -58,21 +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/unzip/iowin32.c b/unzip/iowin32.c index e502139a..08536e94 100644 --- a/unzip/iowin32.c +++ b/unzip/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 1.01h, December 28th, 2009 + 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) 1998-2009 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/unzip/iowin32.h b/unzip/iowin32.h index c128770f..a23a65d4 100644 --- a/unzip/iowin32.h +++ b/unzip/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 1.01h, December 28th, 2009 + 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) 1998-2009 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/unzip/miniunz.c b/unzip/miniunz.c index db1ddd4f..d871b3f2 100644 --- a/unzip/miniunz.c +++ b/unzip/miniunz.c @@ -1,10 +1,43 @@ /* miniunz.c - Version 1.01h, December 28th, 2009 + Version 1.1, February 14h, 2010 + sample part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - Copyright (C) 1998-2009 Gilles Vollant + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) + + Modifications of Unzip for Zip64 + Copyright (C) 2007-2008 Even Rouault + + Modifications for Zip64 support on both zip and unzip + Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) */ +#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) + #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 + +#if defined(__APPLE__) || 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 #include @@ -12,22 +45,24 @@ #include #include #include +#include -#ifdef unix -# include -# include -#else +#ifdef _WIN32 # include # include +#else +# include +# include #endif + #include "unzip.h" #define CASESENSITIVITY (0) #define WRITEBUFFERSIZE (8192) #define MAXFILENAME (256) -#ifdef WIN32 +#ifdef _WIN32 #define USEWIN32IOAPI #include "iowin32.h" #endif @@ -44,18 +79,14 @@ /* change_file_date : change the date/time of a file filename : the filename of the file where date/time must be modified - dosdate : the new date at the MSDos format (4 bytes) + dosdate : the new date at the MSDOS format (4 bytes) tmu_date : the SAME new date at the tm_unz format */ -void change_file_date(filename,dosdate,tmu_date) - const char *filename; - uLong dosdate; - tm_unz tmu_date; -{ -#ifdef WIN32 +static void change_file_date(const char *filename, uLong dosdate, tm_unz tmu_date) { +#ifdef _WIN32 HANDLE hFile; FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite; - hFile = CreateFile(filename,GENERIC_READ | GENERIC_WRITE, + hFile = CreateFileA(filename,GENERIC_READ | GENERIC_WRITE, 0,NULL,OPEN_EXISTING,0,NULL); GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite); DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal); @@ -63,7 +94,8 @@ void change_file_date(filename,dosdate,tmu_date) SetFileTime(hFile,&ftm,&ftLastAcc,&ftm); CloseHandle(hFile); #else -#ifdef unix +#if defined(unix) || defined(__APPLE__) + (void)dosdate; struct utimbuf ut; struct tm newdate; newdate.tm_sec = tmu_date.tm_sec; @@ -79,6 +111,10 @@ void change_file_date(filename,dosdate,tmu_date) ut.actime=ut.modtime=mktime(&newdate); utime(filename,&ut); +#else + (void)filename; + (void)dosdate; + (void)tmu_date; #endif #endif } @@ -87,36 +123,34 @@ void change_file_date(filename,dosdate,tmu_date) /* mymkdir and change_file_date are not 100 % portable As I don't know well Unix, I wait feedback for the unix portion */ -int mymkdir(dirname) - const char* dirname; -{ +static int mymkdir(const char* dirname) { int ret=0; -#ifdef WIN32 - ret = mkdir(dirname); -#else -#ifdef unix +#ifdef _WIN32 + ret = _mkdir(dirname); +#elif unix ret = mkdir (dirname,0775); -#endif +#elif __APPLE__ + ret = mkdir (dirname,0775); +#else + (void)dirname; #endif return ret; } -int makedir (newdir) - char *newdir; -{ +static int makedir(const char *newdir) { char *buffer ; char *p; - int len = (int)strlen(newdir); + size_t len = strlen(newdir); - if (len <= 0) + if (len == 0) return 0; buffer = (char*)malloc(len+1); - if (buffer==NULL) - { - printf("Error allocating memory\n"); - return UNZ_INTERNALERROR; - } + if (buffer==NULL) + { + printf("Error allocating memory\n"); + return UNZ_INTERNALERROR; + } strcpy(buffer,newdir); if (buffer[len-1] == '/') { @@ -151,14 +185,12 @@ int makedir (newdir) return 1; } -void do_banner() -{ - printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n"); +static void do_banner(void) { + printf("MiniUnz 1.1, demo of zLib + Unz package written by Gilles Vollant\n"); printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); } -void do_help() -{ +static void do_help(void) { printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \ " -e Extract without pathname (junk paths)\n" \ " -x Extract with pathname\n" \ @@ -166,39 +198,63 @@ void do_help() " -l list files\n" \ " -d directory to extract into\n" \ " -o overwrite files without prompting\n" \ - " -p extract crypted file using password\n\n"); + " -p extract encrypted file using password\n\n"); } +static void Display64BitsSize(ZPOS64_T n, int size_char) { + /* to avoid compatibility problem , we do here the conversion */ + char number[21]; + int offset=19; + int pos_string = 19; + number[20]=0; + for (;;) { + number[offset]=(char)((n%10)+'0'); + if (number[offset] != '0') + pos_string=offset; + n/=10; + if (offset==0) + break; + offset--; + } + { + int size_display_string = 19-pos_string; + while (size_char > size_display_string) + { + size_char--; + printf(" "); + } + } -int do_list(uf) - unzFile uf; -{ + printf("%s",&number[pos_string]); +} + +static int do_list(unzFile uf) { uLong i; - unz_global_info gi; + unz_global_info64 gi; int err; - err = unzGetGlobalInfo (uf,&gi); + err = unzGetGlobalInfo64(uf,&gi); if (err!=UNZ_OK) printf("error %d with zipfile in unzGetGlobalInfo \n",err); - printf(" Length Method Size Ratio Date Time CRC-32 Name\n"); - printf(" ------ ------ ---- ----- ---- ---- ------ ----\n"); + printf(" Length Method Size Ratio Date Time CRC-32 Name\n"); + printf(" ------ ------ ---- ----- ---- ---- ------ ----\n"); for (i=0;i0) - ratio = (file_info.compressed_size*100)/file_info.uncompressed_size; + ratio = (uLong)((file_info.compressed_size*100)/file_info.uncompressed_size); - /* display a '*' if the file is crypted */ + /* display a '*' if the file is encrypted */ if ((file_info.flag & 1) != 0) charCrypt='*'; @@ -215,20 +271,18 @@ int do_list(uf) else if ((iLevel==2) || (iLevel==3)) string_method="Defl:F"; /* 2:fast , 3 : extra fast*/ } -#ifdef HAVE_BZIP2 else if (file_info.compression_method==Z_BZIP2ED) { string_method="BZip2 "; } -#endif else string_method="Unkn. "; - printf("%7lu %6s%c%7lu %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n", - file_info.uncompressed_size,string_method, - charCrypt, - file_info.compressed_size, + Display64BitsSize(file_info.uncompressed_size,7); + printf(" %6s%c",string_method,charCrypt); + Display64BitsSize(file_info.compressed_size,7); + printf(" %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n", ratio, (uLong)file_info.tmu_date.tm_mon + 1, (uLong)file_info.tmu_date.tm_mday, @@ -250,13 +304,8 @@ int do_list(uf) } -int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) - unzFile uf; - const int* popt_extract_without_path; - int* popt_overwrite; - const char* password; -{ - char filename_inzip[256]; +static int do_extract_currentfile(unzFile uf, const int* popt_extract_without_path, int* popt_overwrite, const char* password) { + char filename_inzip[65536+1]; char* filename_withoutpath; char* p; int err=UNZ_OK; @@ -264,9 +313,8 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) void* buf; uInt size_buf; - unz_file_info file_info; - uLong ratio=0; - err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); + unz_file_info64 file_info; + err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); if (err!=UNZ_OK) { @@ -308,6 +356,20 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) else write_filename = filename_withoutpath; + if (write_filename[0]!='\0') + { + const char* relative_check = write_filename; + while (relative_check[1]!='\0') + { + if (relative_check[0]=='.' && relative_check[1]=='.') + write_filename = relative_check; + relative_check++; + } + } + + while (write_filename[0]=='/' || write_filename[0]=='.') + write_filename++; + err = unzOpenCurrentFilePassword(uf,password); if (err!=UNZ_OK) { @@ -318,7 +380,7 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) { char rep=0; FILE* ftestexist; - ftestexist = fopen(write_filename,"rb"); + ftestexist = FOPEN_FUNC(write_filename,"rb"); if (ftestexist!=NULL) { fclose(ftestexist); @@ -329,7 +391,7 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename); ret = scanf("%1s",answer); - if (ret != 1) + if (ret != 1) { exit(EXIT_FAILURE); } @@ -349,8 +411,7 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) if ((skip==0) && (err==UNZ_OK)) { - fout=fopen(write_filename,"wb"); - + fout=FOPEN_FUNC(write_filename,"wb"); /* some zipfile don't contain directory alone before file */ if ((fout==NULL) && ((*popt_extract_without_path)==0) && (filename_withoutpath!=(char*)filename_inzip)) @@ -359,7 +420,7 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) *(filename_withoutpath-1)='\0'; makedir(write_filename); *(filename_withoutpath-1)=c; - fout=fopen(write_filename,"wb"); + fout=FOPEN_FUNC(write_filename,"wb"); } if (fout==NULL) @@ -381,7 +442,7 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) break; } if (err>0) - if (fwrite(buf,err,1,fout)!=1) + if (fwrite(buf,(unsigned)err,1,fout)!=1) { printf("error in writing extracted file\n"); err=UNZ_ERRNO; @@ -414,18 +475,12 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) } -int do_extract(uf,opt_extract_without_path,opt_overwrite,password) - unzFile uf; - int opt_extract_without_path; - int opt_overwrite; - const char* password; -{ +static int do_extract(unzFile uf, int opt_extract_without_path, int opt_overwrite, const char* password) { uLong i; - unz_global_info gi; + unz_global_info64 gi; int err; - FILE* fout=NULL; - err = unzGetGlobalInfo (uf,&gi); + err = unzGetGlobalInfo64(uf,&gi); if (err!=UNZ_OK) printf("error %d with zipfile in unzGetGlobalInfo \n",err); @@ -450,14 +505,7 @@ int do_extract(uf,opt_extract_without_path,opt_overwrite,password) return 0; } -int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,password) - unzFile uf; - const char* filename; - int opt_extract_without_path; - int opt_overwrite; - const char* password; -{ - int err = UNZ_OK; +static int do_extract_onefile(unzFile uf, const char* filename, int opt_extract_without_path, int opt_overwrite, const char* password) { if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK) { printf("file %s not found in the zipfile\n",filename); @@ -473,10 +521,7 @@ int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,passwo } -int main(argc,argv) - int argc; - char *argv[]; -{ +int main(int argc, char *argv[]) { const char *zipfilename=NULL; const char *filename_to_extract=NULL; const char *password=NULL; @@ -507,7 +552,7 @@ int main(argc,argv) while ((*p)!='\0') { - char c=*(p++);; + char c=*(p++); if ((c=='l') || (c=='L')) opt_do_list = 1; if ((c=='v') || (c=='V')) @@ -545,26 +590,26 @@ int main(argc,argv) { # ifdef USEWIN32IOAPI - zlib_filefunc_def ffunc; + zlib_filefunc64_def ffunc; # endif strncpy(filename_try, zipfilename,MAXFILENAME-1); - /* strncpy doesnt append the trailing NULL, of the string is too long. */ + /* strncpy doesn't append the trailing NULL, of the string is too long. */ filename_try[ MAXFILENAME ] = '\0'; # ifdef USEWIN32IOAPI - fill_win32_filefunc(&ffunc); - uf = unzOpen2(zipfilename,&ffunc); + fill_win32_filefunc64A(&ffunc); + uf = unzOpen2_64(zipfilename,&ffunc); # else - uf = unzOpen(zipfilename); + uf = unzOpen64(zipfilename); # endif if (uf==NULL) { strcat(filename_try,".zip"); # ifdef USEWIN32IOAPI - uf = unzOpen2(filename_try,&ffunc); + uf = unzOpen2_64(filename_try,&ffunc); # else - uf = unzOpen(filename_try); + uf = unzOpen64(filename_try); # endif } } @@ -580,20 +625,23 @@ int main(argc,argv) ret_value = do_list(uf); else if (opt_do_extract==1) { - if (opt_extractdir && chdir(dirname)) +#ifdef _WIN32 + if (opt_extractdir && _chdir(dirname)) +#else + if (opt_extractdir && chdir(dirname)) +#endif { printf("Error changing into %s, aborting\n", dirname); exit(-1); } if (filename_to_extract == NULL) - ret_value = do_extract(uf,opt_do_extract_withoutpath,opt_overwrite,password); + ret_value = do_extract(uf, opt_do_extract_withoutpath, opt_overwrite, password); else - ret_value = do_extract_onefile(uf,filename_to_extract, - opt_do_extract_withoutpath,opt_overwrite,password); + ret_value = do_extract_onefile(uf, filename_to_extract, opt_do_extract_withoutpath, opt_overwrite, password); } unzClose(uf); - return ret_value ; + return ret_value; } diff --git a/unzip/minizip.c b/unzip/minizip.c index 25f83898..26ee8d02 100644 --- a/unzip/minizip.c +++ b/unzip/minizip.c @@ -1,14 +1,46 @@ /* minizip.c - Version 1.01h, December 28th, 2009 + Version 1.1, February 14h, 2010 + sample part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - Copyright (C) 1998-2009 Gilles Vollant + Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) -Changes: - Aug 3, 2006. jg. support storing files with out paths. (-j) - Aug 3, 2006. jg. files with paths should not have leading slashes. + 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 ) */ + +#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) + #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 + +#if defined(__APPLE__) || 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 #include #include @@ -16,21 +48,21 @@ Changes: #include #include -#ifdef unix +#ifdef _WIN32 +# include +# include +#else # include # include # include # include -#else -# include -# include #endif #include "zip.h" -#ifdef WIN32 -#define USEWIN32IOAPI -#include "iowin32.h" +#ifdef _WIN32 + #define USEWIN32IOAPI + #include "iowin32.h" #endif @@ -38,12 +70,10 @@ Changes: #define WRITEBUFFERSIZE (16384) #define MAXFILENAME (256) -#ifdef WIN32 -uLong filetime(f, tmzip, dt) - char *f; /* name of file to get info on */ - tm_zip *tmzip; /* return value: access, modific. and creation times */ - uLong *dt; /* dostime */ -{ +#ifdef _WIN32 +/* f: name of file to get info on, tmzip: return value: access, + modification and creation times, dt: dostime */ +static int filetime(const char *f, tm_zip *tmzip, uLong *dt) { int ret = 0; { FILETIME ftLocal; @@ -62,12 +92,11 @@ uLong filetime(f, tmzip, dt) return ret; } #else -#ifdef unix -uLong filetime(f, tmzip, dt) - char *f; /* name of file to get info on */ - tm_zip *tmzip; /* return value: access, modific. and creation times */ - uLong *dt; /* dostime */ -{ +#if defined(unix) || defined(__APPLE__) +/* f: name of file to get info on, tmzip: return value: access, + modification and creation times, dt: dostime */ +static int filetime(const char *f, tm_zip *tmzip, uLong *dt) { + (void)dt; int ret=0; struct stat s; /* results of stat() */ struct tm* filedate; @@ -76,12 +105,12 @@ uLong filetime(f, tmzip, dt) if (strcmp(f,"-")!=0) { char name[MAXFILENAME+1]; - int len = strlen(f); + size_t len = strlen(f); if (len > MAXFILENAME) len = MAXFILENAME; strncpy(name, f,MAXFILENAME-1); - /* strncpy doesnt append the trailing NULL, of the string is too long. */ + /* strncpy doesn't append the trailing NULL, of the string is too long. */ name[ MAXFILENAME ] = '\0'; if (name[len - 1] == '/') @@ -105,11 +134,12 @@ uLong filetime(f, tmzip, dt) return ret; } #else -uLong filetime(f, tmzip, dt) - char *f; /* name of file to get info on */ - tm_zip *tmzip; /* return value: access, modific. and creation times */ - uLong *dt; /* dostime */ -{ +/* f: name of file to get info on, tmzip: return value: access, + modification and creation times, dt: dostime */ +static int filetime(const char *f, tm_zip *tmzip, uLong *dt) { + (void)f; + (void)tmzip; + (void)dt; return 0; } #endif @@ -118,12 +148,10 @@ uLong filetime(f, tmzip, dt) -int check_exist_file(filename) - const char* filename; -{ +static int check_exist_file(const char* filename) { FILE* ftestexist; int ret = 1; - ftestexist = fopen(filename,"rb"); + ftestexist = FOPEN_FUNC(filename,"rb"); if (ftestexist==NULL) ret = 0; else @@ -131,33 +159,30 @@ int check_exist_file(filename) return ret; } -void do_banner() -{ - printf("MiniZip 1.01e-jg, demo of zLib + Zip package written by Gilles Vollant\n"); - printf("minor updates, jg.\n"); - printf("more info at http://www.winimage.com/zLibDll/minizip.html\n\n"); +static void do_banner(void) { + printf("MiniZip 1.1, demo of zLib + MiniZip64 package, written by Gilles Vollant\n"); + printf("more info on MiniZip at http://www.winimage.com/zLibDll/minizip.html\n\n"); } -void do_help() -{ +static void do_help(void) { printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] [-j] file.zip [files_to_add]\n\n" \ " -o Overwrite existing file.zip\n" \ " -a Append to existing file.zip\n" \ " -0 Store only\n" \ " -1 Compress faster\n" \ - " -9 Compress better\n" \ + " -9 Compress better\n\n" \ " -j exclude path. store only the file name.\n\n"); } /* calculate the CRC32 of a file, because to encrypt a file, we need known the CRC32 of the file before */ -int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigned long* result_crc) -{ +static int getFileCrc(const char* filenameinzip, void* buf, unsigned long size_buf, unsigned long* result_crc) { unsigned long calculate_crc=0; int err=ZIP_OK; - FILE * fin = fopen(filenameinzip,"rb"); + FILE * fin = FOPEN_FUNC(filenameinzip,"rb"); + unsigned long size_read = 0; - unsigned long total_read = 0; + /* unsigned long total_read = 0; */ if (fin==NULL) { err = ZIP_ERRNO; @@ -167,7 +192,7 @@ int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigne do { err = ZIP_OK; - size_read = (int)fread(buf,1,size_buf,fin); + size_read = fread(buf,1,size_buf,fin); if (size_read < size_buf) if (feof(fin)==0) { @@ -176,8 +201,8 @@ int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigne } if (size_read>0) - calculate_crc = crc32(calculate_crc,buf,size_read); - total_read += size_read; + calculate_crc = crc32_z(calculate_crc,buf,size_read); + /* total_read += size_read; */ } while ((err == ZIP_OK) && (size_read>0)); @@ -185,14 +210,32 @@ int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigne fclose(fin); *result_crc=calculate_crc; - printf("file %s crc %lx\n",filenameinzip,calculate_crc); + printf("file %s crc %lx\n", filenameinzip, calculate_crc); return err; } -int main(argc,argv) - int argc; - char *argv[]; -{ +static int isLargeFile(const char* filename) { + int largeFile = 0; + ZPOS64_T pos = 0; + FILE* pFile = FOPEN_FUNC(filename, "rb"); + + if(pFile != NULL) + { + FSEEKO_FUNC(pFile, 0, SEEK_END); + pos = (ZPOS64_T)FTELLO_FUNC(pFile); + + printf("File : %s is %llu bytes\n", filename, pos); + + if(pos >= 0xffffffff) + largeFile = 1; + + fclose(pFile); + } + + return largeFile; +} + +int main(int argc, char *argv[]) { int i; int opt_overwrite=0; int opt_compress_level=Z_DEFAULT_COMPRESSION; @@ -201,7 +244,7 @@ int main(argc,argv) char filename_try[MAXFILENAME+16]; int zipok; int err=0; - int size_buf=0; + size_t size_buf=0; void* buf=NULL; const char* password=NULL; @@ -222,7 +265,7 @@ int main(argc,argv) while ((*p)!='\0') { - char c=*(p++);; + char c=*(p++); if ((c=='o') || (c=='O')) opt_overwrite = 1; if ((c=='a') || (c=='A')) @@ -268,7 +311,7 @@ int main(argc,argv) zipok = 1 ; strncpy(filename_try, argv[zipfilenamearg],MAXFILENAME-1); - /* strncpy doesnt append the trailing NULL, of the string is too long. */ + /* strncpy doesn't append the trailing NULL, of the string is too long. */ filename_try[ MAXFILENAME ] = '\0'; len=(int)strlen(filename_try); @@ -317,11 +360,11 @@ int main(argc,argv) zipFile zf; int errclose; # ifdef USEWIN32IOAPI - zlib_filefunc_def ffunc; - fill_win32_filefunc(&ffunc); - zf = zipOpen2(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc); + zlib_filefunc64_def ffunc; + fill_win32_filefunc64A(&ffunc); + zf = zipOpen2_64(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc); # else - zf = zipOpen(filename_try,(opt_overwrite==2) ? 2 : 0); + zf = zipOpen64(filename_try,(opt_overwrite==2) ? 2 : 0); # endif if (zf == NULL) @@ -338,15 +381,16 @@ int main(argc,argv) ((argv[i][1]=='o') || (argv[i][1]=='O') || (argv[i][1]=='a') || (argv[i][1]=='A') || (argv[i][1]=='p') || (argv[i][1]=='P') || - ((argv[i][1]>='0') || (argv[i][1]<='9'))) && + ((argv[i][1]>='0') && (argv[i][1]<='9'))) && (strlen(argv[i]) == 2))) { - FILE * fin; - int size_read; + FILE * fin = NULL; + size_t size_read; const char* filenameinzip = argv[i]; const char *savefilenameinzip; zip_fileinfo zi; unsigned long crcFile=0; + int zip64 = 0; zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour = zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0; @@ -364,46 +408,48 @@ int main(argc,argv) if ((password != NULL) && (err==ZIP_OK)) err = getFileCrc(filenameinzip,buf,size_buf,&crcFile); - /*the path name saved, should not include a leading slash. */ - /*if it did, windows/xp and dynazip couldn't read the zip file. */ - savefilenameinzip = filenameinzip; - while( savefilenameinzip[0] == '\\' || savefilenameinzip[0] == '/' ) - { - savefilenameinzip++; - } + zip64 = isLargeFile(filenameinzip); - /*should the zip file contain any path at all?*/ - if( opt_exclude_path ) - { - const char *tmpptr; - const char *lastslash = 0; - for( tmpptr = savefilenameinzip; *tmpptr; tmpptr++) - { - if( *tmpptr == '\\' || *tmpptr == '/') - { - lastslash = tmpptr; - } - } - if( lastslash != NULL ) - { - savefilenameinzip = lastslash+1; // base filename follows last slash. - } - } + /* The path name saved, should not include a leading slash. */ + /*if it did, windows/xp and dynazip couldn't read the zip file. */ + savefilenameinzip = filenameinzip; + while( savefilenameinzip[0] == '\\' || savefilenameinzip[0] == '/' ) + { + savefilenameinzip++; + } - /**/ - err = zipOpenNewFileInZip3(zf,savefilenameinzip,&zi, + /*should the zip file contain any path at all?*/ + if( opt_exclude_path ) + { + const char *tmpptr; + const char *lastslash = 0; + for( tmpptr = savefilenameinzip; *tmpptr; tmpptr++) + { + if( *tmpptr == '\\' || *tmpptr == '/') + { + lastslash = tmpptr; + } + } + if( lastslash != NULL ) + { + savefilenameinzip = lastslash+1; // base filename follows last slash. + } + } + + /**/ + err = zipOpenNewFileInZip3_64(zf,savefilenameinzip,&zi, NULL,0,NULL,0,NULL /* comment*/, (opt_compress_level != 0) ? Z_DEFLATED : 0, opt_compress_level,0, /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, */ -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, - password,crcFile); + password,crcFile, zip64); if (err != ZIP_OK) printf("error in opening %s in zipfile\n",filenameinzip); else { - fin = fopen(filenameinzip,"rb"); + fin = FOPEN_FUNC(filenameinzip,"rb"); if (fin==NULL) { err=ZIP_ERRNO; @@ -415,7 +461,7 @@ int main(argc,argv) do { err = ZIP_OK; - size_read = (int)fread(buf,1,size_buf,fin); + size_read = fread(buf,1,size_buf,fin); if (size_read < size_buf) if (feof(fin)==0) { @@ -425,7 +471,7 @@ int main(argc,argv) if (size_read>0) { - err = zipWriteInFileInZip (zf,buf,size_read); + err = zipWriteInFileInZip (zf,buf,(unsigned)size_read); if (err<0) { printf("error in writing %s in the zipfile\n", diff --git a/unzip/mztools.c b/unzip/mztools.c index 8a50ee43..c8d23756 100644 --- a/unzip/mztools.c +++ b/unzip/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/unzip/mztools.h b/unzip/mztools.h index eee78dc5..a49a426e 100644 --- a/unzip/mztools.h +++ b/unzip/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/unzip/skipset.h b/unzip/skipset.h new file mode 100644 index 00000000..019b88da --- /dev/null +++ b/unzip/skipset.h @@ -0,0 +1,360 @@ +// skipset.h -- set operations using a skiplist +// Copyright (C) 2024 Mark Adler +// See MiniZip_info.txt for the license. + +// This implements a skiplist set, i.e. just keys, no data, with ~O(log n) time +// insert and search operations. The application defines the type of a key, and +// provides a function to compare two keys. + +// This header is not definitions of functions found in another source file -- +// it creates the set functions, with the application's key type, right where +// the #include is. Before this header is #included, these must be defined: +// +// 1. A macro or typedef for set_key_t, the type of a key. +// 2. A macro or function set_cmp(a, b) to compare two keys. The return values +// are < 0 for a < b, 0 for a == b, and > 0 for a > b. +// 3. A macro or function set_drop(s, k) to release the key k's resources, if +// any, when doing a set_end() or set_clear(). s is a pointer to the set +// that key is in, for use with set_free() if desired. +// +// Example usage: +// +// typedef int set_key_t; +// #define set_cmp(a, b) ((a) < (b) ? -1 : (a) == (b) ? 0 : 1) +// #define set_drop(s, k) +// #include "skipset.h" +// +// int test(void) { // return 0: good, 1: bad, -1: out of memory +// set_t set; +// if (setjmp(set.env)) +// return -1; +// set_start(&set); +// set_insert(&set, 2); +// set_insert(&set, 1); +// set_insert(&set, 7); +// int bad = !set_found(&set, 2); +// bad = bad || set_found(&set, 5); +// set_end(&set); +// return bad; +// } +// +// Interface summary (see more details below): +// - set_t is the type of the set being operated on (a set_t pointer is passed) +// - set_start() initializes a new, empty set (initialize set.env first) +// - set_insert() inserts a new key into the set, or not if it's already there +// - set_found() determines whether or not a key is in the set +// - set_end() ends the use of the set, freeing all memory +// - set_clear() empties the set, equivalent to set_end() and then set_start() +// - set_ok() checks if set appears to be usable, i.e. started and not ended +// +// Auxiliary functions available to the application: +// - set_alloc() allocates memory with optional tracking (#define SET_TRACK) +// - set_free() deallocates memory allocated by set_alloc() +// - set_rand() returns 32 random bits (seeded by set_start()) + +#ifndef SKIPSET_H +#define SKIPSET_H + +#include // realloc(), free(), NULL, size_t +#include // jmp_buf, longjmp() +#include // ENOMEM +#include // int16_t, uint32_t, uint64_t +#include // time(), clock() +#include // assert.h + +// Structures and functions below noted as "--private--" should not be used by +// the application. set_t is partially private and partially public -- see the +// comments there. + +// There is no POSIX random() in MSVC, and rand() is awful. For portability, we +// cannot rely on a library function for random numbers. Instead we use the +// fast and effective algorithm below, invented by Melissa O'Neill. + +// *Really* minimal PCG32 code / (c) 2014 M.E. O'Neill / www.pcg-random.org +// Licensed under Apache License 2.0 (NO WARRANTY, etc. see website) +// --private-- Random number generator state. +typedef struct { + uint64_t state; // 64-bit generator state + uint64_t inc; // 63-bit sequence id +} set_rand_t; +// --private-- Initialize the state *gen using seed and seq. seed seeds the +// advancing 64-bit state. seq is a sequence selection constant. +void set_seed(set_rand_t *gen, uint64_t seed, uint64_t seq) { + gen->inc = (seq << 1) | 1; + gen->state = (seed + gen->inc) * 6364136223846793005ULL + gen->inc; +} +// Return 32 random bits, advancing the state *gen. +uint32_t set_rand(set_rand_t *gen) { + uint64_t state = gen->state; + gen->state = state * 6364136223846793005ULL + gen->inc; + uint32_t mix = (uint32_t)(((state >> 18) ^ state) >> 27); + int rot = state >> 59; + return (mix >> rot) | (mix << ((-rot) & 31)); +} +// End of PCG32 code. + +// --private-- Linked-list node. +typedef struct set_node_s set_node_t; +struct set_node_s { + set_key_t key; // the key (not used for head or path) + int16_t size; // number of allocated pointers in right[] + int16_t fill; // number of pointers in right[] filled in + set_node_t **right; // pointer for each level, each to the right +}; + +// A set. The application sets env, may use gen with set_rand(), and may read +// allocs and memory. The remaining variables are --private-- . +typedef struct set_s { + set_node_t *head; // skiplist head -- no key, just links + set_node_t *path; // right[] is path to key from set_found() + set_node_t *node; // node under construction, in case of longjmp() + int16_t depth; // maximum depth of the skiplist + uint64_t ran; // a precious trove of random bits + set_rand_t gen; // random number generator state + jmp_buf env; // setjmp() environment for allocation errors +#ifdef SET_TRACK + size_t allocs; // number of allocations + size_t memory; // total amount of allocated memory (>= requests) +#endif +} set_t; + +// Memory allocation and deallocation. set_alloc(set, ptr, size) returns a +// pointer to an allocation of size bytes if ptr is NULL, or the previous +// allocation ptr resized to size bytes. set_alloc() will never return NULL. +// set_free(set, ptr) frees an allocation created by set_alloc(). These may be +// used by the application. e.g. if allocation tracking is desired. +#ifdef SET_TRACK +// Track the number of allocations and the total backing memory size. +# if defined(_WIN32) +# include +# define SET_ALLOC_SIZE(ptr) _msize(ptr) +# elif defined(__MACH__) +# include +# define SET_ALLOC_SIZE(ptr) malloc_size(ptr) +# elif defined(__linux__) +# include +# define SET_ALLOC_SIZE(ptr) malloc_usable_size(ptr) +# elif defined(__FreeBSD__) +# include +# define SET_ALLOC_SIZE(ptr) malloc_usable_size(ptr) +# elif defined(__NetBSD__) +# include +# define SET_ALLOC_SIZE(ptr) malloc_usable_size(ptr) +# else // e.g. OpenBSD +# define SET_ALLOC_SIZE(ptr) 0 +# endif +// With tracking. +void *set_alloc(set_t *set, void *ptr, size_t size) { + size_t had = ptr == NULL ? 0 : SET_ALLOC_SIZE(ptr); + void *mem = realloc(ptr, size); + if (mem == NULL) + longjmp(set->env, ENOMEM); + set->allocs += ptr == NULL; + set->memory += SET_ALLOC_SIZE(mem) - had; + return mem; +} +void set_free(set_t *set, void *ptr) { + if (ptr != NULL) { + set->allocs--; + set->memory -= SET_ALLOC_SIZE(ptr); + free(ptr); + } +} +#else +// Without tracking. +void *set_alloc(set_t *set, void *ptr, size_t size) { + void *mem = realloc(ptr, size); + if (mem == NULL) + longjmp(set->env, ENOMEM); + return mem; +} +void set_free(set_t *set, void *ptr) { + (void)set; + free(ptr); +} +#endif + +// --private-- Grow node's array right[] as needed to be able to hold at least +// want links. If fill is true, assure that the first want links are filled in, +// setting them to set->head if not previously filled in. Otherwise it is +// assumed that the first want links are about to be filled in. +void set_grow(set_t *set, set_node_t *node, int want, int fill) { + if (node->size < want) { + int more = node->size ? node->size : 1; + while (more < want) + more <<= 1; + node->right = set_alloc(set, node->right, more * sizeof(set_node_t *)); + node->size = (int16_t)more; + } + int i; + if (fill) + for (i = node->fill; i < want; i++) + node->right[i] = set->head; + node->fill = (int16_t)want; +} + +// --private-- Return a new node. key is left uninitialized. +set_node_t *set_node(set_t *set) { + set_node_t *node = set_alloc(set, NULL, sizeof(set_node_t)); + node->size = 0; + node->fill = 0; + node->right = NULL; + return node; +} + +// --private-- Free the list linked from head, along with the keys. +void set_sweep(set_t *set) { + set_node_t *step = set->head->right[0]; + while (step != set->head) { + set_node_t *next = step->right[0]; // save link to next node + set_drop(set, step->key); + set_free(set, step->right); + set_free(set, step); + step = next; + } +} + +// Initialize a new set. set->env must be initialized using setjmp() before +// set_start() is called. A longjmp(set->env, ENOMEM) will be used to handle a +// memory allocation failure during any of the operations. (See setjmp.h and +// errno.h.) The set can still be used if this happens, assuming that it didn't +// happen during set_start(). Whether set_start() completed or not, set_end() +// can be used to free the set's memory after a longjmp(). +void set_start(set_t *set) { +#ifdef SET_TRACK + set->allocs = 0; + set->memory = 0; +#endif + set->head = set->path = set->node = NULL; // in case set_node() fails + set->path = set_node(set); + set->head = set_node(set); + set_grow(set, set->head, 1, 1); // one link back to head for an empty set + *(unsigned char *)&set->head->key = 137; // set id + set->depth = 0; + set_seed(&set->gen, ((uint64_t)set << 32) ^ + ((uint64_t)time(NULL) << 12) ^ clock(), 0); + set->ran = 1; +} + +// Return true if *set appears to be in a usable state. If *set has been zeroed +// out, then set_ok(set) will be false and set_end(set) will be safe. +int set_ok(set_t *set) { + return set->head != NULL && + set->head->right != NULL && + *(unsigned char *)&set->head->key == 137; +} + +// Empty the set. This frees the memory used for the previous set contents. +// After set_clear(), *set is ready for use, as if after a set_start(). +void set_clear(set_t *set) { + assert(set_ok(set) && "improper use"); + + // Free all the keys and their nodes. + set_sweep(set); + + // Leave the head and path allocations as is. Clear their contents, with + // head pointing to itself and setting depth to zero, for an empty set. + set->head->right[0] = set->head; + set->head->fill = 1; + set->path->fill = 0; + set->depth = 0; +} + +// Done using the set -- free all allocations. The only operation on *set +// permitted after this is set_start(). Though another set_end() would do no +// harm. This can be done at any time after a set_start(), or after a longjmp() +// on any allocation failure, including during a set_start(). +void set_end(set_t *set) { + if (set->head != NULL) { + // Empty the set and free the head node. + if (set->head->right != NULL) { + set_sweep(set); + set_free(set, set->head->right); + } + set_free(set, set->head); + set->head = NULL; + } + if (set->path != NULL) { + // Free the path work area. + set_free(set, set->path->right); + set_free(set, set->path); + set->path = NULL; + } + if (set->node != NULL) { + // Free the node that was under construction when longjmp() hit. + set_drop(set, set->node->key); + set_free(set, set->node->right); + set_free(set, set->node); + set->node = NULL; + } +} + +// Look for key. Return 1 if found or 0 if not. This also puts the path to get +// there in set->path, for use by set_insert(). +int set_found(set_t *set, set_key_t key) { + assert(set_ok(set) && "improper use"); + + // Start at depth and work down and right as determined by key comparisons. + set_node_t *head = set->head, *here = head; + int i = set->depth; + set_grow(set, set->path, i + 1, 0); + do { + while (here->right[i] != head && + set_cmp(here->right[i]->key, key) < 0) + here = here->right[i]; + set->path->right[i] = here; + } while (i--); + + // See if the key matches. + here = here->right[0]; + return here != head && set_cmp(here->key, key) == 0; +} + +// Insert the key key. Return 0 on success, or 1 if key is already in the set. +int set_insert(set_t *set, set_key_t key) { + assert(set_ok(set) && "improper use"); + + if (set_found(set, key)) + // That key is already in the set. + return 1; + + // Randomly generate a new level-- level 0 with probability 1/2, 1 with + // probability 1/4, 2 with probability 1/8, etc. + int level = 0; + for (;;) { + if (set->ran == 1) + // Ran out. Get another 32 random bits. + set->ran = set_rand(&set->gen) | (1ULL << 32); + int bit = set->ran & 1; + set->ran >>= 1; + if (bit) + break; + assert(level < 32767 && + "Overhead, without any fuss, the stars were going out."); + level++; + } + if (level > set->depth) { + // The maximum depth is now deeper. Update the structures. + set_grow(set, set->path, level + 1, 1); + set_grow(set, set->head, level + 1, 1); + set->depth = (int16_t)level; + } + + // Make a new node for the provided key, and insert it in the lists up to + // and including level. + set->node = set_node(set); + set->node->key = key; + set_grow(set, set->node, level + 1, 0); + int i; + for (i = 0; i <= level; i++) { + set->node->right[i] = set->path->right[i]->right[i]; + set->path->right[i]->right[i] = set->node; + } + set->node = NULL; + return 0; +} + +#else +#error ** another skiplist set already created here +// Would need to implement a prefix in order to support multiple sets. +#endif diff --git a/unzip/unzip.c b/unzip/unzip.c index 6ec52096..b5783cae 100644 --- a/unzip/unzip.c +++ b/unzip/unzip.c @@ -1,50 +1,78 @@ /* unzip.c -- IO for uncompress .zip files using zlib - Version 1.01h, December 28th, 2009 + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - Copyright (C) 1998-2009 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 + #include "zlib.h" #include "unzip.h" #ifdef STDC # include -# include -# include #endif #ifdef NO_ERRNO_H extern int errno; @@ -77,24 +105,19 @@ 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 +/* unz_file_info64_internal contain internal info about a file in zipfile*/ +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, @@ -103,89 +126,107 @@ typedef struct { char *read_buffer; /* internal buffer for compressed data */ z_stream stream; /* zLib stream structure for inflate */ + #ifdef HAVE_BZIP2 bz_stream bstream; /* bzLib stream structure for bziped */ #endif - uLong pos_in_zipfile; /* position in byte on the zipfile, for fseek*/ + 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; @@ -193,79 +234,29 @@ 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 = 0; - 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 = 0; - 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++); @@ -297,19 +288,17 @@ 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; @@ -323,41 +312,39 @@ 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; @@ -366,28 +353,129 @@ 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 @@ -397,19 +485,19 @@ 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*/ - 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 + uLong number_disk; /* number of the current disk, used for + spanning ZIP, unsupported, always 0*/ + uLong number_disk_with_CD; /* number the disk with central dir, used + 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) */ @@ -418,63 +506,137 @@ 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; } @@ -535,78 +723,65 @@ 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; @@ -615,58 +790,62 @@ 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)) @@ -681,15 +860,15 @@ 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 ; @@ -725,20 +971,21 @@ local int unzlocal_GetCurrentFileInfoInternal (file, 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; @@ -755,41 +1002,67 @@ 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); @@ -801,15 +1074,13 @@ 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 */ @@ -819,7 +1090,7 @@ 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); @@ -829,27 +1100,23 @@ 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) @@ -858,7 +1125,7 @@ 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; @@ -873,7 +1140,7 @@ 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) @@ -909,20 +1176,17 @@ 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; @@ -932,23 +1196,31 @@ 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 */ @@ -956,6 +1228,16 @@ 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? /////////////////////////////////////////// @@ -968,14 +1250,9 @@ 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; @@ -985,70 +1262,66 @@ 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 +/* #ifdef HAVE_BZIP2 */ (s->cur_file_info.compression_method!=Z_BZIP2ED) && -#endif +/* #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; @@ -1063,18 +1336,13 @@ 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]; @@ -1085,19 +1353,17 @@ 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; @@ -1109,7 +1375,7 @@ 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; } @@ -1130,26 +1396,26 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) } if ((s->cur_file_info.compression_method!=0) && -#ifdef HAVE_BZIP2 +/* #ifdef HAVE_BZIP2 */ (s->cur_file_info.compression_method!=Z_BZIP2ED) && -#endif +/* #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; -#ifdef HAVE_BZIP2 - if ((s->cur_file_info.compression_method==Z_BZIP2ED) && - (!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; @@ -1166,19 +1432,20 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) 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 +#else + pfile_in_zip_read_info->raw=1; #endif - if ((s->cur_file_info.compression_method==Z_DEFLATED) && - (!raw)) + } + 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 = (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); @@ -1186,7 +1453,8 @@ extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password) pfile_in_zip_read_info->stream_initialised=Z_DEFLATED; else { - TRYFREE(pfile_in_zip_read_info); + 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. @@ -1210,8 +1478,7 @@ 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; + s->encrypted = 0; # ifndef NOUNCRYPT if (password != NULL) @@ -1219,12 +1486,12 @@ 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++) @@ -1239,57 +1506,60 @@ 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; @@ -1320,13 +1590,13 @@ 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) @@ -1360,7 +1630,7 @@ 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) @@ -1372,6 +1642,8 @@ 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); @@ -1383,58 +1655,54 @@ extern int ZEXPORT unzReadCurrentFile (file, buf, len) pfile_in_zip_read_info->stream.total_out += uDoCopy; iRead += uDoCopy; } -#ifdef HAVE_BZIP2 - else - if (pfile_in_zip_read_info->compression_method==Z_BZIP2ED) + 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 = pfile_in_zip_read_info->stream.next_in; + 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 = pfile_in_zip_read_info->stream.next_out; + 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 = pfile_in_zip_read_info->bstream.next_out; + 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->crc32 = - crc32(pfile_in_zip_read_info->crc32,bufBefore, - (uInt)(uOutThis)); - - pfile_in_zip_read_info->rest_read_uncompressed -= - uOutThis; + 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 = pfile_in_zip_read_info->bstream.next_in; + 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 = pfile_in_zip_read_info->bstream.next_out; + 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; + return (iRead==0) ? UNZ_EOF : iRead; if (err!=BZ_OK) - break; - } + break; #endif + } // end Z_BZIP2ED else { - uLong uTotalOutBefore,uTotalOutAfter; + ZPOS64_T uTotalOutBefore,uTotalOutAfter; const Bytef *bufBefore; - uLong uOutThis; + ZPOS64_T uOutThis; int flush=Z_SYNC_FLUSH; uTotalOutBefore = pfile_in_zip_read_info->stream.total_out; @@ -1452,8 +1720,13 @@ 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)); @@ -1464,14 +1737,14 @@ 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; } @@ -1479,14 +1752,12 @@ 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) @@ -1495,18 +1766,31 @@ 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) @@ -1521,9 +1805,9 @@ 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 @@ -1532,19 +1816,15 @@ 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) @@ -1564,14 +1844,14 @@ 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; @@ -1580,19 +1860,17 @@ 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) @@ -1607,7 +1885,7 @@ 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 == Z_DEFLATED) inflateEnd(&pfile_in_zip_read_info->stream); @@ -1616,8 +1894,9 @@ extern int ZEXPORT unzCloseCurrentFile (file) 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; @@ -1630,28 +1909,24 @@ 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; -{ - 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; } @@ -1661,14 +1936,12 @@ 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 0; - 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) @@ -1677,22 +1950,32 @@ 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/unzip/unzip.h b/unzip/unzip.h index 94c1b69b..ceb614e7 100644 --- a/unzip/unzip.h +++ b/unzip/unzip.h @@ -1,20 +1,20 @@ /* unzip.h -- IO for uncompress .zip files using zlib - Version 1.01h, December 28th, 2009 + Version 1.1, February 14h, 2010 + part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) - Copyright (C) 1998-2009 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" { @@ -53,7 +51,7 @@ extern "C" { #include "zlib.h" #endif -#ifndef _ZLIBIOAPI_H +#ifndef _ZLIBIOAPI_H #include "ioapi.h" #endif @@ -85,25 +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 */ @@ -125,20 +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 @@ -147,33 +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. @@ -184,22 +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 @@ -227,52 +269,87 @@ 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 + if szFileName!=NULL, the filename string will be copied in szFileName (fileNameBufferSize is the size of the buffer) if extraField!=NULL, the extra field information will be copied in extraField (extraFieldBufferSize is the size of the buffer). This is the Central-header version of the extra field if szComment!=NULL, the comment string of the file will be copied in szComment (commentBufferSize is the size of the buffer) + The file name and comment will be zero-terminated if there is room in the + provided buffer. Otherwise the buffer will contain as much as will fit. If at + least 65537 bytes of room is provided, then the result will always be + complete and zero-terminated. */ + +/** 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 @@ -282,11 +359,11 @@ 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 @@ -297,39 +374,41 @@ 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 @@ -346,9 +425,11 @@ 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); @@ -357,4 +438,4 @@ extern int ZEXPORT unzSetOffset (unzFile file, uLong pos); } #endif -#endif /* _unz_H */ +#endif /* _unz64_H */ diff --git a/unzip/zip.c b/unzip/zip.c index 1451d61d..cbb25084 100644 --- a/unzip/zip.c +++ b/unzip/zip.c @@ -1,26 +1,37 @@ /* zip.c -- IO on .zip files using zlib - Version 1.01h, December 28th, 2009 + 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) 1998-2009 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; @@ -110,47 +123,75 @@ typedef struct linkedlist_data_s } linkedlist_data; +// zipAlreadyThere() set functions for a set of zero-terminated strings, and +// a block_t type for reading the central directory datablocks. +typedef char const *set_key_t; +#define set_cmp(a, b) strcmp(a, b) +#define set_drop(s, k) set_free(s, (void *)(intptr_t)(k)) +#include "skipset.h" +typedef struct { + unsigned char *next; // next byte in datablock data + size_t left; // number of bytes left in data (at least) + linkedlist_datablock_internal *node; // current datablock +} block_t; + + 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; + // Support for zipAlreadyThere(). + set_t set; // set for detecting name collisions + block_t block; // block for reading the central directory + +} zip64_internal; #ifndef NOCRYPT @@ -158,8 +199,7 @@ 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 +212,26 @@ 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 +246,7 @@ 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) { @@ -251,6 +281,223 @@ local int add_data_in_datablock(ll,buf,len) return ZIP_OK; } +// zipAlreadyThere() operations. "set" in the zip internal structure keeps the +// set of names that are in the under-construction central directory so far. A +// skipset provides ~O(log n) time insertion and searching. Central directory +// records, stored in a linked list of allocated memory datablocks, is read +// through "block" in the zip internal structure. + +// The block_*() functions support extracting the central directory file names +// from the datablocks. They are designed to support a growing directory by +// automatically continuing once more data has been appended to the linked +// datablocks. + +// Initialize *block to the head of list. This should only be called once the +// list has at least some data in it, i.e. list->first_block is not NULL. +local void block_init(block_t *block, linkedlist_data *list) { + block->node = list->first_block; + block->next = block->node->data; + block->left = block->node->filled_in_this_block; +} + +// Mark *block as bad, with all subsequent reads returning end, even if more +// data is added to the datablocks. This is invoked if the central directory is +// invalid, so there is no longer any point in attempting to interpret it. +local void block_stop(block_t *block) { + block->left = 0; + block->next = NULL; +} + +// Return true if *block has reached the end of the data in the datablocks. +local int block_end(block_t *block) { + linkedlist_datablock_internal *node = block->node; + if (node == NULL) + // This block was previously terminated with extreme prejudice. + return 1; + if (block->next < node->data + node->filled_in_this_block) + // There are more bytes to read in the current datablock. + return 0; + while (node->next_datablock != NULL) { + if (node->filled_in_this_block != 0) + // There are some bytes in a later datablock. + return 0; + node = node->next_datablock; + } + // Reached the end of the list of datablocks. There's nothing. + return 1; +} + +// Return one byte from *block, or -1 if the end is reached. +local int block_get(block_t *block) { + while (block->left == 0) { + if (block->node == NULL) + // We've been marked bad. Return end. + return -1; + // Update left in case more was filled in since we were last here. + block->left = block->node->filled_in_this_block - + (block->next - block->node->data); + if (block->left != 0) + // There was indeed more data appended in the current datablock. + break; + if (block->node->next_datablock == NULL) + // No more data here, and there is no next datablock. At the end. + return -1; + // Try the next datablock for more data. + block->node = block->node->next_datablock; + block->next = block->node->data; + block->left = block->node->filled_in_this_block; + } + // We have a byte to return. + block->left--; + return *block->next++; +} + +// Return a 16-bit unsigned little-endian value from block, or a negative value +// if the end is reached. +local long block_get2(block_t *block) { + long got = block_get(block); + return got | ((unsigned long)block_get(block) << 8); +} + +// Read up to len bytes from block into buf. Return the number of bytes read. +local size_t block_read(block_t *block, unsigned char *buf, size_t len) { + size_t need = len; + while (need) { + if (block->left == 0) { + // Get a byte to update and step through the linked list as needed. + int got = block_get(block); + if (got == -1) + // Reached the end. + break; + *buf++ = (unsigned char)got; + need--; + continue; + } + size_t take = need > block->left ? block->left : need; + memcpy(buf, block->next, take); + block->next += take; + block->left -= take; + buf += take; + need -= take; + } + return len - need; // return the number of bytes copied +} + +// Skip n bytes in block. Return 0 on success or -1 if there are less than n +// bytes to the end. +local int block_skip(block_t *block, size_t n) { + while (n > block->left) { + n -= block->left; + block->next += block->left; + block->left = 0; + if (block_get(block) == -1) + return -1; + n--; + } + block->next += n; + block->left -= n; + return 0; +} + +// Process the next central directory record at *block. Return the allocated, +// zero-terminated file name, or NULL for end of input or invalid data. If +// invalid, *block is marked bad. This uses *set for the allocation of memory. +local char *block_central_name(block_t *block, set_t *set) { + char *name = NULL; + for (;;) { + if (block_end(block)) + // At the end of the central directory (so far). + return NULL; + + // Check for a central directory record signature. + if (block_get2(block) != (CENTRALHEADERMAGIC & 0xffff) || + block_get2(block) != (CENTRALHEADERMAGIC >> 16)) + // Incorrect signature. + break; + + // Go through the remaining fixed-length portion of the record, + // extracting the lengths of the three variable-length fields. + block_skip(block, 24); + unsigned flen = block_get2(block); // file name length + unsigned xlen = block_get2(block); // extra field length + unsigned clen = block_get2(block); // comment field length + if (block_skip(block, 12) == -1) + // Premature end of the record. + break; + + // Extract the name and skip over the extra and comment fields. + name = set_alloc(set, NULL, flen + 1); + if (block_read(block, (unsigned char *)name, flen) < flen || + block_skip(block, xlen + clen) == -1) + // Premature end of the record. + break; + + // Check for embedded nuls in the name. + if (memchr(name, 0, flen) != NULL) { + // This name can never match the zero-terminated name provided to + // zipAlreadyThere(), so we discard it and go back to get another + // name. (Who the heck is putting nuls inside their zip file entry + // names anyway?) + set_free(set, name); + continue; + } + + // All good. Return the zero-terminated file name. + name[flen] = 0; + return name; + } + + // Invalid signature or premature end of the central directory record. + // Abandon trying to process the central directory. + set_free(set, name); + block_stop(block); + return NULL; +} + +// Return 0 if name is not in the central directory so far, 1 if it is, -1 if +// the central directory is invalid, -2 if out of memory, or ZIP_PARAMERROR if +// file is NULL. +extern int ZEXPORT zipAlreadyThere(zipFile file, char const *name) { + zip64_internal *zip = file; + if (zip == NULL) + return ZIP_PARAMERROR; + if (zip->central_dir.first_block == NULL) + // No central directory yet, so no, name isn't there. + return 0; + if (setjmp(zip->set.env)) { + // Memory allocation failure. + set_end(&zip->set); + return -2; + } + if (!set_ok(&zip->set)) { + // This is the first time here with some central directory content. We + // construct this set of names only on demand. Prepare set and block. + set_start(&zip->set); + block_init(&zip->block, &zip->central_dir); + } + + // Update the set of names from the current central directory contents. + // This reads any new central directory records since the last time we were + // here. + for (;;) { + char *there = block_central_name(&zip->block, &zip->set); + if (there == NULL) { + if (zip->block.next == NULL) + // The central directory is invalid. + return -1; + break; + } + + // Add there to the set. + if (set_insert(&zip->set, there)) + // There's already a duplicate in the central directory! We'll just + // let this be and carry on. + set_free(&zip->set, there); + } + + // Return true if name is in the central directory. + return set_found(&zip->set, name); +} /****************************************************************************/ @@ -258,18 +505,11 @@ 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 +524,13 @@ 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 +550,23 @@ 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) year-=1980; 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 +574,7 @@ 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 +585,16 @@ 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 = 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 +604,24 @@ 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 = 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) @@ -426,96 +631,435 @@ 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 /* Locate the Central directory of a zipfile (at the end, just before the global comment) - Fix from Riccardo Cohen */ -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 locator + 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 disk, used for + spanning ZIP, unsupported, always 0*/ + uLong number_disk_with_CD; /* number of 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) : @@ -523,20 +1067,24 @@ extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc if (ziinit.filestream == NULL) return NULL; + if (append == APPEND_STATUS_CREATEAFTER) - ZSEEK(ziinit.z_filefunc,ziinit.filestream,0,SEEK_END); - ziinit.begin_pos = ZTELL(ziinit.z_filefunc,ziinit.filestream); + 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)); + memset(&ziinit.set, 0, sizeof(set_t)); // make sure set appears dormant - 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; } @@ -545,123 +1093,8 @@ 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); -/* disable to allow appending to empty ZIP archive - 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 = (char*)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) @@ -673,9 +1106,9 @@ 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 @@ -685,39 +1118,144 @@ 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 zipOpenNewFileInZip4 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - windowBits, memLevel, strategy, - password, crcForCrypting, versionMadeBy, flagBase) - 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; -{ - 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; @@ -730,10 +1268,27 @@ extern int ZEXPORT zipOpenNewFileInZip4 (file, filename, zipfi, 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) { @@ -742,7 +1297,6 @@ extern int ZEXPORT zipOpenNewFileInZip4 (file, filename, zipfi, return err; } - if (filename==NULL) filename="-"; @@ -759,15 +1313,16 @@ extern int ZEXPORT zipOpenNewFileInZip4 (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 = 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; @@ -778,37 +1333,43 @@ extern int ZEXPORT zipOpenNewFileInZip4 (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); @@ -823,41 +1384,22 @@ extern int ZEXPORT zipOpenNewFileInZip4 (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; @@ -866,21 +1408,42 @@ extern int ZEXPORT zipOpenNewFileInZip4 (file, filename, zipfi, 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)) @@ -894,7 +1457,7 @@ extern int ZEXPORT zipOpenNewFileInZip4 (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 @@ -904,88 +1467,98 @@ extern int ZEXPORT zipOpenNewFileInZip4 (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 zipOpenNewFileInZip4 (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); +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 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; -{ - return zipOpenNewFileInZip4 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - windowBits, memLevel, strategy, - password, crcForCrypting, VERSIONMADEBY, 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); } - -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 zipOpenNewFileInZip4 (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); +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); } -local int zipFlushWriteBuffer(zi) - zip_internal* zi; -{ +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) @@ -994,171 +1567,366 @@ 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 = (Bytef*)buf; - zi->ci.stream.avail_in = 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)) { - int tmp_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 cannot 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; } @@ -1168,24 +1936,145 @@ 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) { @@ -1196,22 +2085,19 @@ 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; @@ -1219,45 +2105,88 @@ extern int ZEXPORT zipClose (file, global_comment) } free_linkedlist(&(zi->central_dir)); - if (err==ZIP_OK) /* Magic End */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4); + set_end(&zi->set); // set was zeroed, so this is safe - if (err==ZIP_OK) /* number of this disk */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); + 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 the disk with the start of the central directory */ - err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); + Write_Zip64EndOfCentralDirectoryLocator(zi, Zip64EOCDpos); + } - 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_EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip); - 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) + err = Write_GlobalComment(zi, global_comment); - 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/unzip/zip.h b/unzip/zip.h index 39215cad..1f7f0b26 100644 --- a/unzip/zip.h +++ b/unzip/zip.h @@ -1,19 +1,15 @@ -/* zip.h -- IO for compress .zip files using zlib - Version 1.01h, December 28th, 2009 +/* 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) 1998-2009 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 -/* 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 -*/ + See header of zip.h -#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 @@ -124,134 +127,244 @@ extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append)); If the zipfile cannot be opened, the return value is NULL. Else, the return value is a zipFile Handle, usable with other function of this zip package. -*/ + */ /* 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 *zipfi contain supplemental information if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local - contains the extrafield data the the local header + contains the extrafield data for the local header if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global - contains the extrafield data the the local header + contains the extrafield data for the global header 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 crcForCrypting)); +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 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 crcForCrypting, - uLong versionMadeBy, - uLong flagBase)); +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); + +extern int ZEXPORT zipAlreadyThere(zipFile file, + char const* name); /* - Close the current file in the zipfile, for fiel opened with + See if name is already in file's central directory. + */ + +/* + 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 */