diff options
Diffstat (limited to 'compat/zlib/contrib/minizip')
| -rw-r--r-- | compat/zlib/contrib/minizip/ChangeLogUnzip | 67 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/Makefile | 25 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/crypt.h | 132 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/ioapi.c | 177 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/ioapi.h | 75 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/iowin32.c | 270 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/iowin32.h | 21 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/miniunz.c | 585 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/minizip.c | 420 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/mztools.c | 281 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/mztools.h | 31 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/unzip.c | 1598 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/unzip.h | 354 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/zip.c | 1219 | ||||
| -rw-r--r-- | compat/zlib/contrib/minizip/zip.h | 235 |
15 files changed, 5490 insertions, 0 deletions
diff --git a/compat/zlib/contrib/minizip/ChangeLogUnzip b/compat/zlib/contrib/minizip/ChangeLogUnzip new file mode 100644 index 0000000..50ca6a9 --- /dev/null +++ b/compat/zlib/contrib/minizip/ChangeLogUnzip @@ -0,0 +1,67 @@ +Change in 1.01e (12 feb 05) +- Fix in zipOpen2 for globalcomment (Rolf Kalbermatter) +- Fix possible memory leak in unzip.c (Zoran Stevanovic) + +Change in 1.01b (20 may 04) +- Integrate patch from Debian package (submited by Mark Brown) +- Add tools mztools from Xavier Roche + +Change in 1.01 (8 may 04) +- fix buffer overrun risk in unzip.c (Xavier Roche) +- fix a minor buffer insecurity in minizip.c (Mike Whittaker) + +Change in 1.00: (10 sept 03) +- rename to 1.00 +- cosmetic code change + +Change in 0.22: (19 May 03) +- crypting support (unless you define NOCRYPT) +- append file in existing zipfile + +Change in 0.21: (10 Mar 03) +- bug fixes + +Change in 0.17: (27 Jan 02) +- bug fixes + +Change in 0.16: (19 Jan 02) +- Support of ioapi for virtualize zip file access + +Change in 0.15: (19 Mar 98) +- fix memory leak in minizip.c + +Change in 0.14: (10 Mar 98) +- fix bugs in minizip.c sample for zipping big file +- fix problem in month in date handling +- fix bug in unzlocal_GetCurrentFileInfoInternal in unzip.c for + comment handling + +Change in 0.13: (6 Mar 98) +- fix bugs in zip.c +- add real minizip sample + +Change in 0.12: (4 Mar 98) +- add zip.c and zip.h for creates .zip file +- fix change_file_date in miniunz.c for Unix (Jean-loup Gailly) +- fix miniunz.c for file without specific record for directory + +Change in 0.11: (3 Mar 98) +- fix bug in unzGetCurrentFileInfo for get extra field and comment +- enhance miniunz sample, remove the bad unztst.c sample + +Change in 0.10: (2 Mar 98) +- fix bug in unzReadCurrentFile +- rename unzip* to unz* function and structure +- remove Windows-like hungary notation variable name +- modify some structure in unzip.h +- add somes comment in source +- remove unzipGetcCurrentFile function +- replace ZUNZEXPORT by ZEXPORT +- add unzGetLocalExtrafield for get the local extrafield info +- add a new sample, miniunz.c + +Change in 0.4: (25 Feb 98) +- suppress the type unzipFileInZip. + Only on file in the zipfile can be open at the same time +- fix somes typo in code +- added tm_unz structure in unzip_file_info (date/time in readable format) diff --git a/compat/zlib/contrib/minizip/Makefile b/compat/zlib/contrib/minizip/Makefile new file mode 100644 index 0000000..84eaad2 --- /dev/null +++ b/compat/zlib/contrib/minizip/Makefile @@ -0,0 +1,25 @@ +CC=cc +CFLAGS=-O -I../.. + +UNZ_OBJS = miniunz.o unzip.o ioapi.o ../../libz.a +ZIP_OBJS = minizip.o zip.o ioapi.o ../../libz.a + +.c.o: + $(CC) -c $(CFLAGS) $*.c + +all: miniunz minizip + +miniunz: $(UNZ_OBJS) + $(CC) $(CFLAGS) -o $@ $(UNZ_OBJS) + +minizip: $(ZIP_OBJS) + $(CC) $(CFLAGS) -o $@ $(ZIP_OBJS) + +test: miniunz minizip + ./minizip test readme.txt + ./miniunz -l test.zip + mv readme.txt readme.old + ./miniunz test.zip + +clean: + /bin/rm -f *.o *~ minizip miniunz diff --git a/compat/zlib/contrib/minizip/crypt.h b/compat/zlib/contrib/minizip/crypt.h new file mode 100644 index 0000000..622f4bc --- /dev/null +++ b/compat/zlib/contrib/minizip/crypt.h @@ -0,0 +1,132 @@ +/* crypt.h -- base code for crypt/uncrypt ZIPfile + + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + This code is a modified version of crypting code in Infozip distribution + + The encryption/decryption parts of this source code (as opposed to the + non-echoing password parts) were originally written in Europe. The + whole source package can be freely distributed, including from the USA. + (Prior to January 2000, re-export from the US was a violation of US law.) + + This encryption code is a direct transcription of the algorithm from + Roger Schlafly, described by Phil Katz in the file appnote.txt. This + file (appnote.txt) is distributed with the PKZIP program (even in the + version without encryption capabilities). + + If you don't need crypting in your application, just define symbols + NOCRYPT and NOUNCRYPT. + + This code support the "Traditional PKWARE Encryption". + + The new AES encryption added on Zip format by Winzip (see the page + http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong + Encryption is not supported. +*/ + +#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8)) + +/*********************************************************************** + * Return the next byte in the pseudo-random sequence + */ +static int decrypt_byte(unsigned long* pkeys, const unsigned long* 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 */ + + temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2; + return (int)(((temp * (temp ^ 1)) >> 8) & 0xff); +} + +/*********************************************************************** + * Update the encryption keys with the next byte of plain text + */ +static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int c) +{ + (*(pkeys+0)) = CRC32((*(pkeys+0)), c); + (*(pkeys+1)) += (*(pkeys+0)) & 0xff; + (*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1; + { + register int keyshift = (int)((*(pkeys+1)) >> 24); + (*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift); + } + return c; +} + + +/*********************************************************************** + * Initialize the encryption keys and the random header according to + * the given password. + */ +static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned long* pcrc_32_tab) +{ + *(pkeys+0) = 305419896L; + *(pkeys+1) = 591751049L; + *(pkeys+2) = 878082192L; + while (*passwd != '\0') { + update_keys(pkeys,pcrc_32_tab,(int)*passwd); + passwd++; + } +} + +#define zdecode(pkeys,pcrc_32_tab,c) \ + (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab))) + +#define zencode(pkeys,pcrc_32_tab,c,t) \ + (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c)) + +#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED + +#define RAND_HEAD_LEN 12 + /* "last resort" source for second part of crypt seed pattern */ +# ifndef ZCR_SEED2 +# define ZCR_SEED2 3141592654UL /* use PI as default pattern */ +# endif + +static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting) + const char *passwd; /* password string */ + unsigned char *buf; /* where to write header */ + int bufSize; + unsigned long* pkeys; + const unsigned long* pcrc_32_tab; + unsigned long crcForCrypting; +{ + int n; /* index in random header */ + int t; /* temporary */ + int c; /* random byte */ + unsigned char header[RAND_HEAD_LEN-2]; /* random header */ + static unsigned calls = 0; /* ensure different random header each time */ + + if (bufSize<RAND_HEAD_LEN) + return 0; + + /* First generate RAND_HEAD_LEN-2 random bytes. We encrypt the + * output of rand() to get less predictability, since rand() is + * often poorly implemented. + */ + if (++calls == 1) + { + srand((unsigned)(time(NULL) ^ ZCR_SEED2)); + } + init_keys(passwd, pkeys, pcrc_32_tab); + for (n = 0; n < RAND_HEAD_LEN-2; n++) + { + c = (rand() >> 7) & 0xff; + header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t); + } + /* Encrypt random header (last two bytes is high word of crc) */ + init_keys(passwd, pkeys, pcrc_32_tab); + for (n = 0; n < RAND_HEAD_LEN-2; n++) + { + buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t); + } + buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t); + buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t); + return n; +} + +#endif diff --git a/compat/zlib/contrib/minizip/ioapi.c b/compat/zlib/contrib/minizip/ioapi.c new file mode 100644 index 0000000..f1bee23 --- /dev/null +++ b/compat/zlib/contrib/minizip/ioapi.c @@ -0,0 +1,177 @@ +/* ioapi.c -- IO base function header for compress/uncompress .zip + files using zlib + zip or unzip API + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "zlib.h" +#include "ioapi.h" + + + +/* 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; +{ + FILE* file = NULL; + const char* mode_fopen = NULL; + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) + mode_fopen = "rb"; + else + if (mode & ZLIB_FILEFUNC_MODE_EXISTING) + mode_fopen = "r+b"; + else + if (mode & ZLIB_FILEFUNC_MODE_CREATE) + mode_fopen = "wb"; + + if ((filename!=NULL) && (mode_fopen != NULL)) + file = fopen(filename, mode_fopen); + return file; +} + + +uLong ZCALLBACK fread_file_func (opaque, stream, buf, size) + voidpf opaque; + voidpf stream; + void* buf; + uLong size; +{ + uLong ret; + 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; +{ + uLong ret; + ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream); + return ret; +} + +long ZCALLBACK ftell_file_func (opaque, stream) + voidpf opaque; + voidpf stream; +{ + long ret; + ret = ftell((FILE *)stream); + return ret; +} + +long ZCALLBACK fseek_file_func (opaque, stream, offset, origin) + voidpf opaque; + voidpf stream; + uLong offset; + int origin; +{ + int fseek_origin=0; + long ret; + 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; + fseek((FILE *)stream, offset, fseek_origin); + return ret; +} + +int ZCALLBACK fclose_file_func (opaque, stream) + voidpf opaque; + voidpf stream; +{ + int ret; + ret = fclose((FILE *)stream); + return ret; +} + +int ZCALLBACK ferror_file_func (opaque, stream) + voidpf opaque; + voidpf stream; +{ + int ret; + ret = ferror((FILE *)stream); + return ret; +} + +void fill_fopen_filefunc (pzlib_filefunc_def) + 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; + pzlib_filefunc_def->ztell_file = ftell_file_func; + pzlib_filefunc_def->zseek_file = fseek_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/compat/zlib/contrib/minizip/ioapi.h b/compat/zlib/contrib/minizip/ioapi.h new file mode 100644 index 0000000..7d457ba --- /dev/null +++ b/compat/zlib/contrib/minizip/ioapi.h @@ -0,0 +1,75 @@ +/* ioapi.h -- IO base function header for compress/uncompress .zip + files using zlib + zip or unzip API + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#ifndef _ZLIBIOAPI_H +#define _ZLIBIOAPI_H + + +#define ZLIB_FILEFUNC_SEEK_CUR (1) +#define ZLIB_FILEFUNC_SEEK_END (2) +#define ZLIB_FILEFUNC_SEEK_SET (0) + +#define ZLIB_FILEFUNC_MODE_READ (1) +#define ZLIB_FILEFUNC_MODE_WRITE (2) +#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) + +#define ZLIB_FILEFUNC_MODE_EXISTING (4) +#define ZLIB_FILEFUNC_MODE_CREATE (8) + + +#ifndef ZCALLBACK + +#if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) +#define ZCALLBACK CALLBACK +#else +#define ZCALLBACK +#endif +#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 struct zlib_filefunc_def_s +{ + open_file_func zopen_file; + read_file_func zread_file; + write_file_func zwrite_file; + tell_file_func ztell_file; + seek_file_func zseek_file; + close_file_func zclose_file; + testerror_file_func zerror_file; + voidpf opaque; +} zlib_filefunc_def; + + + +void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); + +#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size)) +#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size)) +#define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream)) +#define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode)) +#define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream)) +#define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream)) + + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/compat/zlib/contrib/minizip/iowin32.c b/compat/zlib/contrib/minizip/iowin32.c new file mode 100644 index 0000000..a9b5f78 --- /dev/null +++ b/compat/zlib/contrib/minizip/iowin32.c @@ -0,0 +1,270 @@ +/* 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 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#include <stdlib.h> + +#include "zlib.h" +#include "ioapi.h" +#include "iowin32.h" + +#ifndef INVALID_HANDLE_VALUE +#define INVALID_HANDLE_VALUE (0xFFFFFFFF) +#endif + +#ifndef INVALID_SET_FILE_POINTER +#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)); + +uLong ZCALLBACK win32_write_file_func OF(( + voidpf opaque, + voidpf stream, + const void* buf, + uLong size)); + +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)); + +typedef struct +{ + HANDLE hf; + 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; + + if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) + { + dwDesiredAccess = GENERIC_READ; + dwCreationDisposition = OPEN_EXISTING; + dwShareMode = FILE_SHARE_READ; + } + else + if (mode & ZLIB_FILEFUNC_MODE_EXISTING) + { + dwDesiredAccess = GENERIC_WRITE | GENERIC_READ; + dwCreationDisposition = OPEN_EXISTING; + } + else + if (mode & ZLIB_FILEFUNC_MODE_CREATE) + { + dwDesiredAccess = GENERIC_WRITE | GENERIC_READ; + dwCreationDisposition = CREATE_ALWAYS; + } + + if ((filename!=NULL) && (dwDesiredAccess != 0)) + hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, + dwCreationDisposition, dwFlagsAndAttributes, NULL); + + if (hFile == INVALID_HANDLE_VALUE) + hFile = NULL; + + if (hFile != NULL) + { + WIN32FILE_IOWIN w32fiow; + w32fiow.hf = hFile; + w32fiow.error = 0; + ret = malloc(sizeof(WIN32FILE_IOWIN)); + if (ret==NULL) + CloseHandle(hFile); + else *((WIN32FILE_IOWIN*)ret) = w32fiow; + } + return ret; +} + + +uLong ZCALLBACK win32_read_file_func (opaque, stream, buf, size) + 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(); + if (dwErr == ERROR_HANDLE_EOF) + 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 ret=0; + HANDLE hFile = NULL; + if (stream!=NULL) + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + + if (hFile !=NULL) + if (!WriteFile(hFile, buf, size, &ret, NULL)) + { + DWORD dwErr = GetLastError(); + if (dwErr == ERROR_HANDLE_EOF) + dwErr = 0; + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + } + + return ret; +} + +long ZCALLBACK win32_tell_file_func (opaque, stream) + 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) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = -1; + } + else + ret=(long)dwSet; + } + return ret; +} + +long ZCALLBACK win32_seek_file_func (opaque, stream, offset, origin) + voidpf opaque; + voidpf stream; + uLong 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 != NULL) + { + DWORD dwSet = SetFilePointer(hFile, offset, NULL, dwMoveMethod); + if (dwSet == INVALID_SET_FILE_POINTER) + { + DWORD dwErr = GetLastError(); + ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr; + ret = -1; + } + else + ret=0; + } + return ret; +} + +int ZCALLBACK win32_close_file_func (opaque, stream) + voidpf opaque; + voidpf stream; +{ + int ret=-1; + + if (stream!=NULL) + { + HANDLE hFile; + hFile = ((WIN32FILE_IOWIN*)stream) -> hf; + if (hFile != NULL) + { + CloseHandle(hFile); + ret=0; + } + free(stream); + } + return ret; +} + +int ZCALLBACK win32_error_file_func (opaque, stream) + voidpf opaque; + voidpf stream; +{ + int ret=-1; + if (stream!=NULL) + { + ret = ((WIN32FILE_IOWIN*)stream) -> error; + } + return ret; +} + +void fill_win32_filefunc (pzlib_filefunc_def) + 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; + pzlib_filefunc_def->ztell_file = win32_tell_file_func; + 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; +} diff --git a/compat/zlib/contrib/minizip/iowin32.h b/compat/zlib/contrib/minizip/iowin32.h new file mode 100644 index 0000000..a3a437a --- /dev/null +++ b/compat/zlib/contrib/minizip/iowin32.h @@ -0,0 +1,21 @@ +/* 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 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#include <windows.h> + + +#ifdef __cplusplus +extern "C" { +#endif + +void fill_win32_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); + +#ifdef __cplusplus +} +#endif diff --git a/compat/zlib/contrib/minizip/miniunz.c b/compat/zlib/contrib/minizip/miniunz.c new file mode 100644 index 0000000..f599938 --- /dev/null +++ b/compat/zlib/contrib/minizip/miniunz.c @@ -0,0 +1,585 @@ +/* + miniunz.c + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <errno.h> +#include <fcntl.h> + +#ifdef unix +# include <unistd.h> +# include <utime.h> +#else +# include <direct.h> +# include <io.h> +#endif + +#include "unzip.h" + +#define CASESENSITIVITY (0) +#define WRITEBUFFERSIZE (8192) +#define MAXFILENAME (256) + +#ifdef WIN32 +#define USEWIN32IOAPI +#include "iowin32.h" +#endif +/* + mini unzip, demo of unzip package + + usage : + Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir] + + list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT + if it exists +*/ + + +/* 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) + 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 + HANDLE hFile; + FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite; + + hFile = CreateFile(filename,GENERIC_READ | GENERIC_WRITE, + 0,NULL,OPEN_EXISTING,0,NULL); + GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite); + DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal); + LocalFileTimeToFileTime(&ftLocal,&ftm); + SetFileTime(hFile,&ftm,&ftLastAcc,&ftm); + CloseHandle(hFile); +#else +#ifdef unix + struct utimbuf ut; + struct tm newdate; + newdate.tm_sec = tmu_date.tm_sec; + newdate.tm_min=tmu_date.tm_min; + newdate.tm_hour=tmu_date.tm_hour; + newdate.tm_mday=tmu_date.tm_mday; + newdate.tm_mon=tmu_date.tm_mon; + if (tmu_date.tm_year > 1900) + newdate.tm_year=tmu_date.tm_year - 1900; + else + newdate.tm_year=tmu_date.tm_year ; + newdate.tm_isdst=-1; + + ut.actime=ut.modtime=mktime(&newdate); + utime(filename,&ut); +#endif +#endif +} + + +/* 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; +{ + int ret=0; +#ifdef WIN32 + ret = mkdir(dirname); +#else +#ifdef unix + ret = mkdir (dirname,0775); +#endif +#endif + return ret; +} + +int makedir (newdir) + char *newdir; +{ + char *buffer ; + char *p; + int len = (int)strlen(newdir); + + if (len <= 0) + return 0; + + buffer = (char*)malloc(len+1); + strcpy(buffer,newdir); + + if (buffer[len-1] == '/') { + buffer[len-1] = '\0'; + } + if (mymkdir(buffer) == 0) + { + free(buffer); + return 1; + } + + p = buffer+1; + while (1) + { + char hold; + + while(*p && *p != '\\' && *p != '/') + p++; + hold = *p; + *p = 0; + if ((mymkdir(buffer) == -1) && (errno == ENOENT)) + { + printf("couldn't create directory %s\n",buffer); + free(buffer); + return 0; + } + if (hold == 0) + break; + *p++ = hold; + } + free(buffer); + return 1; +} + +void do_banner() +{ + printf("MiniUnz 1.01b, 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() +{ + 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" \ + " -v list files\n" \ + " -l list files\n" \ + " -d directory to extract into\n" \ + " -o overwrite files without prompting\n" \ + " -p extract crypted file using password\n\n"); +} + + +int do_list(uf) + unzFile uf; +{ + uLong i; + unz_global_info gi; + int err; + + err = unzGetGlobalInfo (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"); + for (i=0;i<gi.number_entry;i++) + { + char filename_inzip[256]; + unz_file_info file_info; + uLong ratio=0; + const char *string_method; + char charCrypt=' '; + err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzGetCurrentFileInfo\n",err); + break; + } + if (file_info.uncompressed_size>0) + ratio = (file_info.compressed_size*100)/file_info.uncompressed_size; + + /* display a '*' if the file is crypted */ + if ((file_info.flag & 1) != 0) + charCrypt='*'; + + if (file_info.compression_method==0) + string_method="Stored"; + else + if (file_info.compression_method==Z_DEFLATED) + { + uInt iLevel=(uInt)((file_info.flag & 0x6)/2); + if (iLevel==0) + string_method="Defl:N"; + else if (iLevel==1) + string_method="Defl:X"; + else if ((iLevel==2) || (iLevel==3)) + string_method="Defl:F"; /* 2:fast , 3 : extra fast*/ + } + 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, + ratio, + (uLong)file_info.tmu_date.tm_mon + 1, + (uLong)file_info.tmu_date.tm_mday, + (uLong)file_info.tmu_date.tm_year % 100, + (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min, + (uLong)file_info.crc,filename_inzip); + if ((i+1)<gi.number_entry) + { + err = unzGoToNextFile(uf); + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzGoToNextFile\n",err); + break; + } + } + } + + return 0; +} + + +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]; + char* filename_withoutpath; + char* p; + int err=UNZ_OK; + FILE *fout=NULL; + 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); + + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzGetCurrentFileInfo\n",err); + return err; + } + + size_buf = WRITEBUFFERSIZE; + buf = (void*)malloc(size_buf); + if (buf==NULL) + { + printf("Error allocating memory\n"); + return UNZ_INTERNALERROR; + } + + p = filename_withoutpath = filename_inzip; + while ((*p) != '\0') + { + if (((*p)=='/') || ((*p)=='\\')) + filename_withoutpath = p+1; + p++; + } + + if ((*filename_withoutpath)=='\0') + { + if ((*popt_extract_without_path)==0) + { + printf("creating directory: %s\n",filename_inzip); + mymkdir(filename_inzip); + } + } + else + { + const char* write_filename; + int skip=0; + + if ((*popt_extract_without_path)==0) + write_filename = filename_inzip; + else + write_filename = filename_withoutpath; + + err = unzOpenCurrentFilePassword(uf,password); + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzOpenCurrentFilePassword\n",err); + } + + if (((*popt_overwrite)==0) && (err==UNZ_OK)) + { + char rep=0; + FILE* ftestexist; + ftestexist = fopen(write_filename,"rb"); + if (ftestexist!=NULL) + { + fclose(ftestexist); + do + { + char answer[128]; + int ret; + + printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename); + ret = scanf("%1s",answer); + if (ret != 1) + { + exit(EXIT_FAILURE); + } + rep = answer[0] ; + if ((rep>='a') && (rep<='z')) + rep -= 0x20; + } + while ((rep!='Y') && (rep!='N') && (rep!='A')); + } + + if (rep == 'N') + skip = 1; + + if (rep == 'A') + *popt_overwrite=1; + } + + if ((skip==0) && (err==UNZ_OK)) + { + fout=fopen(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)) + { + char c=*(filename_withoutpath-1); + *(filename_withoutpath-1)='\0'; + makedir(write_filename); + *(filename_withoutpath-1)=c; + fout=fopen(write_filename,"wb"); + } + + if (fout==NULL) + { + printf("error opening %s\n",write_filename); + } + } + + if (fout!=NULL) + { + printf(" extracting: %s\n",write_filename); + + do + { + err = unzReadCurrentFile(uf,buf,size_buf); + if (err<0) + { + printf("error %d with zipfile in unzReadCurrentFile\n",err); + break; + } + if (err>0) + if (fwrite(buf,err,1,fout)!=1) + { + printf("error in writing extracted file\n"); + err=UNZ_ERRNO; + break; + } + } + while (err>0); + if (fout) + fclose(fout); + + if (err==0) + change_file_date(write_filename,file_info.dosDate, + file_info.tmu_date); + } + + if (err==UNZ_OK) + { + err = unzCloseCurrentFile (uf); + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzCloseCurrentFile\n",err); + } + } + else + unzCloseCurrentFile(uf); /* don't lose the error */ + } + + free(buf); + return err; +} + + +int do_extract(uf,opt_extract_without_path,opt_overwrite,password) + unzFile uf; + int opt_extract_without_path; + int opt_overwrite; + const char* password; +{ + uLong i; + unz_global_info gi; + int err; + FILE* fout=NULL; + + err = unzGetGlobalInfo (uf,&gi); + if (err!=UNZ_OK) + printf("error %d with zipfile in unzGetGlobalInfo \n",err); + + for (i=0;i<gi.number_entry;i++) + { + if (do_extract_currentfile(uf,&opt_extract_without_path, + &opt_overwrite, + password) != UNZ_OK) + break; + + if ((i+1)<gi.number_entry) + { + err = unzGoToNextFile(uf); + if (err!=UNZ_OK) + { + printf("error %d with zipfile in unzGoToNextFile\n",err); + break; + } + } + } + + 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; + if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK) + { + printf("file %s not found in the zipfile\n",filename); + return 2; + } + + if (do_extract_currentfile(uf,&opt_extract_without_path, + &opt_overwrite, + password) == UNZ_OK) + return 0; + else + return 1; +} + + +int main(argc,argv) + int argc; + char *argv[]; +{ + const char *zipfilename=NULL; + const char *filename_to_extract=NULL; + const char *password=NULL; + char filename_try[MAXFILENAME+16] = ""; + int i; + int opt_do_list=0; + int opt_do_extract=1; + int opt_do_extract_withoutpath=0; + int opt_overwrite=0; + int opt_extractdir=0; + const char *dirname=NULL; + unzFile uf=NULL; + + do_banner(); + if (argc==1) + { + do_help(); + return 0; + } + else + { + for (i=1;i<argc;i++) + { + if ((*argv[i])=='-') + { + const char *p=argv[i]+1; + + while ((*p)!='\0') + { + char c=*(p++);; + if ((c=='l') || (c=='L')) + opt_do_list = 1; + if ((c=='v') || (c=='V')) + opt_do_list = 1; + if ((c=='x') || (c=='X')) + opt_do_extract = 1; + if ((c=='e') || (c=='E')) + opt_do_extract = opt_do_extract_withoutpath = 1; + if ((c=='o') || (c=='O')) + opt_overwrite=1; + if ((c=='d') || (c=='D')) + { + opt_extractdir=1; + dirname=argv[i+1]; + } + + if (((c=='p') || (c=='P')) && (i+1<argc)) + { + password=argv[i+1]; + i++; + } + } + } + else + { + if (zipfilename == NULL) + zipfilename = argv[i]; + else if ((filename_to_extract==NULL) && (!opt_extractdir)) + filename_to_extract = argv[i] ; + } + } + } + + if (zipfilename!=NULL) + { + +# ifdef USEWIN32IOAPI + zlib_filefunc_def ffunc; +# endif + + strncpy(filename_try, zipfilename,MAXFILENAME-1); + /* strncpy doesnt append the trailing NULL, of the string is too long. */ + filename_try[ MAXFILENAME ] = '\0'; + +# ifdef USEWIN32IOAPI + fill_win32_filefunc(&ffunc); + uf = unzOpen2(zipfilename,&ffunc); +# else + uf = unzOpen(zipfilename); +# endif + if (uf==NULL) + { + strcat(filename_try,".zip"); +# ifdef USEWIN32IOAPI + uf = unzOpen2(filename_try,&ffunc); +# else + uf = unzOpen(filename_try); +# endif + } + } + + if (uf==NULL) + { + printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename); + return 1; + } + printf("%s opened\n",filename_try); + + if (opt_do_list==1) + return do_list(uf); + else if (opt_do_extract==1) + { + if (opt_extractdir && chdir(dirname)) + { + printf("Error changing into %s, aborting\n", dirname); + exit(-1); + } + + if (filename_to_extract == NULL) + return do_extract(uf,opt_do_extract_withoutpath,opt_overwrite,password); + else + return do_extract_onefile(uf,filename_to_extract, + opt_do_extract_withoutpath,opt_overwrite,password); + } + unzCloseCurrentFile(uf); + + return 0; +} diff --git a/compat/zlib/contrib/minizip/minizip.c b/compat/zlib/contrib/minizip/minizip.c new file mode 100644 index 0000000..f2dfecd --- /dev/null +++ b/compat/zlib/contrib/minizip/minizip.c @@ -0,0 +1,420 @@ +/* + minizip.c + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <errno.h> +#include <fcntl.h> + +#ifdef unix +# include <unistd.h> +# include <utime.h> +# include <sys/types.h> +# include <sys/stat.h> +#else +# include <direct.h> +# include <io.h> +#endif + +#include "zip.h" + +#ifdef WIN32 +#define USEWIN32IOAPI +#include "iowin32.h" +#endif + + + +#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 */ +{ + int ret = 0; + { + FILETIME ftLocal; + HANDLE hFind; + WIN32_FIND_DATA ff32; + + hFind = FindFirstFile(f,&ff32); + if (hFind != INVALID_HANDLE_VALUE) + { + FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal); + FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0); + FindClose(hFind); + ret = 1; + } + } + 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 */ +{ + int ret=0; + struct stat s; /* results of stat() */ + struct tm* filedate; + time_t tm_t=0; + + if (strcmp(f,"-")!=0) + { + char name[MAXFILENAME+1]; + int 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. */ + name[ MAXFILENAME ] = '\0'; + + if (name[len - 1] == '/') + name[len - 1] = '\0'; + /* not all systems allow stat'ing a file with / appended */ + if (stat(name,&s)==0) + { + tm_t = s.st_mtime; + ret = 1; + } + } + filedate = localtime(&tm_t); + + tmzip->tm_sec = filedate->tm_sec; + tmzip->tm_min = filedate->tm_min; + tmzip->tm_hour = filedate->tm_hour; + tmzip->tm_mday = filedate->tm_mday; + tmzip->tm_mon = filedate->tm_mon ; + tmzip->tm_year = filedate->tm_year; + + 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 */ +{ + return 0; +} +#endif +#endif + + + + +int check_exist_file(filename) + const char* filename; +{ + FILE* ftestexist; + int ret = 1; + ftestexist = fopen(filename,"rb"); + if (ftestexist==NULL) + ret = 0; + else + fclose(ftestexist); + return ret; +} + +void do_banner() +{ + printf("MiniZip 1.01b, demo of zLib + Zip package written by Gilles Vollant\n"); + printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); +} + +void do_help() +{ + printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] 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\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) +{ + unsigned long calculate_crc=0; + int err=ZIP_OK; + FILE * fin = fopen(filenameinzip,"rb"); + unsigned long size_read = 0; + unsigned long total_read = 0; + if (fin==NULL) + { + err = ZIP_ERRNO; + } + + if (err == ZIP_OK) + do + { + err = ZIP_OK; + size_read = (int)fread(buf,1,size_buf,fin); + if (size_read < size_buf) + if (feof(fin)==0) + { + printf("error in reading %s\n",filenameinzip); + err = ZIP_ERRNO; + } + + if (size_read>0) + calculate_crc = crc32(calculate_crc,buf,size_read); + total_read += size_read; + + } while ((err == ZIP_OK) && (size_read>0)); + + if (fin) + fclose(fin); + + *result_crc=calculate_crc; + printf("file %s crc %x\n",filenameinzip,calculate_crc); + return err; +} + +int main(argc,argv) + int argc; + char *argv[]; +{ + int i; + int opt_overwrite=0; + int opt_compress_level=Z_DEFAULT_COMPRESSION; + int zipfilenamearg = 0; + char filename_try[MAXFILENAME+16]; + int zipok; + int err=0; + int size_buf=0; + void* buf=NULL; + const char* password=NULL; + + + do_banner(); + if (argc==1) + { + do_help(); + return 0; + } + else + { + for (i=1;i<argc;i++) + { + if ((*argv[i])=='-') + { + const char *p=argv[i]+1; + + while ((*p)!='\0') + { + char c=*(p++);; + if ((c=='o') || (c=='O')) + opt_overwrite = 1; + if ((c=='a') || (c=='A')) + opt_overwrite = 2; + if ((c>='0') && (c<='9')) + opt_compress_level = c-'0'; + + if (((c=='p') || (c=='P')) && (i+1<argc)) + { + password=argv[i+1]; + i++; + } + } + } + else + if (zipfilenamearg == 0) + zipfilenamearg = i ; + } + } + + size_buf = WRITEBUFFERSIZE; + buf = (void*)malloc(size_buf); + if (buf==NULL) + { + printf("Error allocating memory\n"); + return ZIP_INTERNALERROR; + } + + if (zipfilenamearg==0) + zipok=0; + else + { + int i,len; + int dot_found=0; + + zipok = 1 ; + strncpy(filename_try, argv[zipfilenamearg],MAXFILENAME-1); + /* strncpy doesnt append the trailing NULL, of the string is too long. */ + filename_try[ MAXFILENAME ] = '\0'; + + len=(int)strlen(filename_try); + for (i=0;i<len;i++) + if (filename_try[i]=='.') + dot_found=1; + + if (dot_found==0) + strcat(filename_try,".zip"); + + if (opt_overwrite==2) + { + /* if the file don't exist, we not append file */ + if (check_exist_file(filename_try)==0) + opt_overwrite=1; + } + else + if (opt_overwrite==0) + if (check_exist_file(filename_try)!=0) + { + char rep=0; + do + { + char answer[128]; + int ret; + printf("The file %s exists. Overwrite ? [y]es, [n]o, [a]ppend : ",filename_try); + ret = scanf("%1s",answer); + if (ret != 1) + { + exit(EXIT_FAILURE); + } + rep = answer[0] ; + if ((rep>='a') && (rep<='z')) + rep -= 0x20; + } + while ((rep!='Y') && (rep!='N') && (rep!='A')); + if (rep=='N') + zipok = 0; + if (rep=='A') + opt_overwrite = 2; + } + } + + if (zipok==1) + { + 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); +# else + zf = zipOpen(filename_try,(opt_overwrite==2) ? 2 : 0); +# endif + + if (zf == NULL) + { + printf("error opening %s\n",filename_try); + err= ZIP_ERRNO; + } + else + printf("creating %s\n",filename_try); + + for (i=zipfilenamearg+1;(i<argc) && (err==ZIP_OK);i++) + { + if (!((((*(argv[i]))=='-') || ((*(argv[i]))=='/')) && + ((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'))) && + (strlen(argv[i]) == 2))) + { + FILE * fin; + int size_read; + const char* filenameinzip = argv[i]; + zip_fileinfo zi; + unsigned long crcFile=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; + zi.dosDate = 0; + zi.internal_fa = 0; + zi.external_fa = 0; + filetime(filenameinzip,&zi.tmz_date,&zi.dosDate); + +/* + err = zipOpenNewFileInZip(zf,filenameinzip,&zi, + NULL,0,NULL,0,NULL / * comment * /, + (opt_compress_level != 0) ? Z_DEFLATED : 0, + opt_compress_level); +*/ + if ((password != NULL) && (err==ZIP_OK)) + err = getFileCrc(filenameinzip,buf,size_buf,&crcFile); + + err = zipOpenNewFileInZip3(zf,filenameinzip,&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); + + if (err != ZIP_OK) + printf("error in opening %s in zipfile\n",filenameinzip); + else + { + fin = fopen(filenameinzip,"rb"); + if (fin==NULL) + { + err=ZIP_ERRNO; + printf("error in opening %s for reading\n",filenameinzip); + } + } + + if (err == ZIP_OK) + do + { + err = ZIP_OK; + size_read = (int)fread(buf,1,size_buf,fin); + if (size_read < size_buf) + if (feof(fin)==0) + { + printf("error in reading %s\n",filenameinzip); + err = ZIP_ERRNO; + } + + if (size_read>0) + { + err = zipWriteInFileInZip (zf,buf,size_read); + if (err<0) + { + printf("error in writing %s in the zipfile\n", + filenameinzip); + } + + } + } while ((err == ZIP_OK) && (size_read>0)); + + if (fin) + fclose(fin); + + if (err<0) + err=ZIP_ERRNO; + else + { + err = zipCloseFileInZip(zf); + if (err!=ZIP_OK) + printf("error in closing %s in the zipfile\n", + filenameinzip); + } + } + } + errclose = zipClose(zf,NULL); + if (errclose != ZIP_OK) + printf("error in closing %s\n",filename_try); + } + else + { + do_help(); + } + + free(buf); + return 0; +} diff --git a/compat/zlib/contrib/minizip/mztools.c b/compat/zlib/contrib/minizip/mztools.c new file mode 100644 index 0000000..8a50ee4 --- /dev/null +++ b/compat/zlib/contrib/minizip/mztools.c @@ -0,0 +1,281 @@ +/* + Additional tools for Minizip + Code: Xavier Roche '2004 + License: Same as ZLIB (www.gzip.org) +*/ + +/* Code */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "zlib.h" +#include "unzip.h" + +#define READ_8(adr) ((unsigned char)*(adr)) +#define READ_16(adr) ( READ_8(adr) | (READ_8(adr+1) << 8) ) +#define READ_32(adr) ( READ_16(adr) | (READ_16((adr)+2) << 16) ) + +#define WRITE_8(buff, n) do { \ + *((unsigned char*)(buff)) = (unsigned char) ((n) & 0xff); \ +} while(0) +#define WRITE_16(buff, n) do { \ + WRITE_8((unsigned char*)(buff), n); \ + WRITE_8(((unsigned char*)(buff)) + 1, (n) >> 8); \ +} while(0) +#define WRITE_32(buff, n) do { \ + WRITE_16((unsigned char*)(buff), (n) & 0xffff); \ + 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; +{ + int err = Z_OK; + FILE* fpZip = fopen(file, "rb"); + FILE* fpOut = fopen(fileOut, "wb"); + FILE* fpOutCD = fopen(fileOutTmp, "wb"); + if (fpZip != NULL && fpOut != NULL) { + int entries = 0; + uLong totalBytes = 0; + char header[30]; + char filename[256]; + char extra[1024]; + int offset = 0; + int offsetCD = 0; + while ( fread(header, 1, 30, fpZip) == 30 ) { + int currentOffset = offset; + + /* File entry */ + if (READ_32(header) == 0x04034b50) { + unsigned int version = READ_16(header + 4); + unsigned int gpflag = READ_16(header + 6); + unsigned int method = READ_16(header + 8); + unsigned int filetime = READ_16(header + 10); + unsigned int filedate = READ_16(header + 12); + unsigned int crc = READ_32(header + 14); /* crc */ + unsigned int cpsize = READ_32(header + 18); /* compressed size */ + unsigned int uncpsize = READ_32(header + 22); /* uncompressed sz */ + 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; + } else { + err = Z_ERRNO; + break; + } + + /* Filename */ + if (fnsize > 0) { + 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; + } + } else { + err = Z_STREAM_ERROR; + break; + } + + /* Extra field */ + if (extsize > 0) { + 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; + } + } + + /* Data */ + { + int dataSize = cpsize; + if (dataSize == 0) { + dataSize = uncpsize; + } + if (dataSize > 0) { + char* data = malloc(dataSize); + if (data != NULL) { + if ((int)fread(data, 1, dataSize, fpZip) == dataSize) { + if ((int)fwrite(data, 1, dataSize, fpOut) == dataSize) { + offset += dataSize; + totalBytes += dataSize; + } else { + err = Z_ERRNO; + } + } else { + err = Z_ERRNO; + } + free(data); + if (err != Z_OK) { + break; + } + } else { + err = Z_MEM_ERROR; + break; + } + } + } + + /* Central directory entry */ + { + char header[46]; + char* comment = ""; + int comsize = (int) strlen(comment); + WRITE_32(header, 0x02014b50); + WRITE_16(header + 4, version); + WRITE_16(header + 6, version); + WRITE_16(header + 8, gpflag); + WRITE_16(header + 10, method); + WRITE_16(header + 12, filetime); + WRITE_16(header + 14, filedate); + WRITE_32(header + 16, crc); + WRITE_32(header + 20, cpsize); + WRITE_32(header + 24, uncpsize); + WRITE_16(header + 28, fnsize); + WRITE_16(header + 30, extsize); + WRITE_16(header + 32, comsize); + WRITE_16(header + 34, 0); /* disk # */ + WRITE_16(header + 36, 0); /* int attrb */ + WRITE_32(header + 38, 0); /* ext attrb */ + WRITE_32(header + 42, currentOffset); + /* Header */ + if (fwrite(header, 1, 46, fpOutCD) == 46) { + offsetCD += 46; + + /* Filename */ + if (fnsize > 0) { + if (fwrite(filename, 1, fnsize, fpOutCD) == fnsize) { + offsetCD += fnsize; + } else { + err = Z_ERRNO; + break; + } + } else { + err = Z_STREAM_ERROR; + break; + } + + /* Extra field */ + if (extsize > 0) { + if (fwrite(extra, 1, extsize, fpOutCD) == extsize) { + offsetCD += extsize; + } else { + err = Z_ERRNO; + break; + } + } + + /* Comment field */ + if (comsize > 0) { + if ((int)fwrite(comment, 1, comsize, fpOutCD) == comsize) { + offsetCD += comsize; + } else { + err = Z_ERRNO; + break; + } + } + + + } else { + err = Z_ERRNO; + break; + } + } + + /* Success */ + entries++; + + } else { + break; + } + } + + /* Final central directory */ + { + int entriesZip = entries; + char header[22]; + char* comment = ""; // "ZIP File recovered by zlib/minizip/mztools"; + int comsize = (int) strlen(comment); + if (entriesZip > 0xffff) { + entriesZip = 0xffff; + } + WRITE_32(header, 0x06054b50); + WRITE_16(header + 4, 0); /* disk # */ + WRITE_16(header + 6, 0); /* disk # */ + WRITE_16(header + 8, entriesZip); /* hack */ + WRITE_16(header + 10, entriesZip); /* hack */ + 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; + } + } + + /* Final merge (file + central directory) */ + fclose(fpOutCD); + if (err == Z_OK) { + fpOutCD = fopen(fileOutTmp, "rb"); + if (fpOutCD != NULL) { + int nRead; + char buffer[8192]; + while ( (nRead = (int)fread(buffer, 1, sizeof(buffer), fpOutCD)) > 0) { + if ((int)fwrite(buffer, 1, nRead, fpOut) != nRead) { + err = Z_ERRNO; + break; + } + } + fclose(fpOutCD); + } + } + + /* Close */ + fclose(fpZip); + fclose(fpOut); + + /* Wipe temporary file */ + (void)remove(fileOutTmp); + + /* Number of recovered entries */ + if (err == Z_OK) { + if (nRecovered != NULL) { + *nRecovered = entries; + } + if (bytesRecovered != NULL) { + *bytesRecovered = totalBytes; + } + } + } else { + err = Z_STREAM_ERROR; + } + return err; +} diff --git a/compat/zlib/contrib/minizip/mztools.h b/compat/zlib/contrib/minizip/mztools.h new file mode 100644 index 0000000..eee78dc --- /dev/null +++ b/compat/zlib/contrib/minizip/mztools.h @@ -0,0 +1,31 @@ +/* + Additional tools for Minizip + Code: Xavier Roche '2004 + License: Same as ZLIB (www.gzip.org) +*/ + +#ifndef _zip_tools_H +#define _zip_tools_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _ZLIB_H +#include "zlib.h" +#endif + +#include "unzip.h" + +/* 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, + uLong* nRecovered, + uLong* bytesRecovered); + +#endif diff --git a/compat/zlib/contrib/minizip/unzip.c b/compat/zlib/contrib/minizip/unzip.c new file mode 100644 index 0000000..9ad4766 --- /dev/null +++ b/compat/zlib/contrib/minizip/unzip.c @@ -0,0 +1,1598 @@ +/* unzip.c -- IO for uncompress .zip files using zlib + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + Read unzip.h for more info +*/ + +/* 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] + + 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 + 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). + */ + + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "zlib.h" +#include "unzip.h" + +#ifdef STDC +# include <stddef.h> +# include <string.h> +# include <stdlib.h> +#endif +#ifdef NO_ERRNO_H + extern int errno; +#else +# include <errno.h> +#endif + + +#ifndef local +# define local static +#endif +/* compile with -Dlocal if your debugger can't find static symbols */ + + +#ifndef CASESENSITIVITYDEFAULT_NO +# if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES) +# define CASESENSITIVITYDEFAULT_NO +# endif +#endif + + +#ifndef UNZ_BUFSIZE +#define UNZ_BUFSIZE (16384) +#endif + +#ifndef UNZ_MAXFILENAMEINZIP +#define UNZ_MAXFILENAMEINZIP (256) +#endif + +#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 +{ + uLong offset_curfile;/* relative offset of local header 4 bytes */ +} unz_file_info_internal; + + +/* file_in_zip_read_info_s contain internal information about a file in zipfile, + when reading and decompress it */ +typedef struct +{ + char *read_buffer; /* internal buffer for compressed data */ + z_stream stream; /* zLib stream structure for inflate */ + + uLong pos_in_zipfile; /* position in byte on the zipfile, for fseek*/ + uLong stream_initialised; /* flag set if stream structure is initialised*/ + + uLong 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*/ + + 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 */ + uLong compression_method; /* compression method (0==store) */ + uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ + int raw; +} file_in_zip_read_info_s; + + +/* unz_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*/ + + uLong size_central_dir; /* size of the central directory */ + uLong 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 + file if we are decompressing it */ + int encrypted; +# ifndef NOUNCRYPT + unsigned long keys[3]; /* keys defining the pseudo-random sequence */ + const unsigned long* pcrc_32_tab; +# endif +} unz_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. +*/ + + +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) + { + *pi = (int)c; + return UNZ_OK; + } + else + { + if (ZERROR(*pzlib_filefunc_def,filestream)) + return UNZ_ERRNO; + else + return UNZ_EOF; + } +} + + +/* =========================================================================== + Reads a long in LSB order from the given gz_stream. Sets +*/ +local int unzlocal_getShort OF(( + const zlib_filefunc_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX)); + +local int unzlocal_getShort (pzlib_filefunc_def,filestream,pX) + const zlib_filefunc_def* pzlib_filefunc_def; + voidpf filestream; + uLong *pX; +{ + uLong x ; + int i; + int err; + + err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; + + if (err==UNZ_OK) + err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<8; + + if (err==UNZ_OK) + *pX = x; + else + *pX = 0; + return err; +} + +local int unzlocal_getLong OF(( + const zlib_filefunc_def* pzlib_filefunc_def, + voidpf filestream, + uLong *pX)); + +local int unzlocal_getLong (pzlib_filefunc_def,filestream,pX) + const zlib_filefunc_def* pzlib_filefunc_def; + voidpf filestream; + uLong *pX; +{ + uLong x ; + int i; + int err; + + err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; + + if (err==UNZ_OK) + err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<8; + + if (err==UNZ_OK) + err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<16; + + if (err==UNZ_OK) + err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<24; + + if (err==UNZ_OK) + *pX = x; + else + *pX = 0; + return err; +} + + +/* My own strcmpi / strcasecmp */ +local int strcmpcasenosensitive_internal (fileName1,fileName2) + const char* fileName1; + const char* fileName2; +{ + for (;;) + { + char c1=*(fileName1++); + char c2=*(fileName2++); + if ((c1>='a') && (c1<='z')) + c1 -= 0x20; + if ((c2>='a') && (c2<='z')) + c2 -= 0x20; + if (c1=='\0') + return ((c2=='\0') ? 0 : -1); + if (c2=='\0') + return 1; + if (c1<c2) + return -1; + if (c1>c2) + return 1; + } +} + + +#ifdef CASESENSITIVITYDEFAULT_NO +#define CASESENSITIVITYDEFAULTVALUE 2 +#else +#define CASESENSITIVITYDEFAULTVALUE 1 +#endif + +#ifndef STRCMPCASENOSENTIVEFUNCTION +#define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal +#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 + or strcasecmp) + If iCaseSenisivity = 0, case sensitivity is defaut 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; +{ + if (iCaseSensitivity==0) + iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE; + + if (iCaseSensitivity==1) + return strcmp(fileName1,fileName2); + + return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2); +} + +#ifndef BUFREADCOMMENT +#define BUFREADCOMMENT (0x400) +#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; +{ + 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; + + + uSizeFile = ZTELL(*pzlib_filefunc_def,filestream); + + if (uMaxBack>uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); + if (buf==NULL) + return 0; + + uBackRead = 4; + while (uBackRead<uMaxBack) + { + uLong uReadSize,uReadPos ; + int i; + if (uBackRead+BUFREADCOMMENT>uMaxBack) + 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; + + if (ZREAD(*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; + } + + if (uPosFound!=0) + break; + } + TRYFREE(buf); + return uPosFound; +} + +/* + 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 + "zlib/zlib114.zip". + If the zipfile cannot be opened (file doesn't exist or in not valid), the + return value is NULL. + Else, the return value is a unzFile Handle, usable with other function + of this unzip package. +*/ +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; + + 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 + the central dir + (same than number_entry on nospan) */ + + int err=UNZ_OK; + + if (unz_copyright[0]!=' ') + return NULL; + + if (pzlib_filefunc_def==NULL) + fill_fopen_filefunc(&us.z_filefunc); + else + us.z_filefunc = *pzlib_filefunc_def; + + us.filestream= (*(us.z_filefunc.zopen_file))(us.z_filefunc.opaque, + 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; + + if (ZSEEK(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; + + /* number of this disk */ + if (unzlocal_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 (unzlocal_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 (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.number_entry)!=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; + + 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 (unzlocal_getLong(&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; + + /* zipfile comment length */ + if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.size_comment)!=UNZ_OK) + err=UNZ_ERRNO; + + if ((central_pos<us.offset_central_dir+us.size_central_dir) && + (err==UNZ_OK)) + err=UNZ_BADZIPFILE; + + if (err!=UNZ_OK) + { + ZCLOSE(us.z_filefunc, us.filestream); + return NULL; + } + + us.byte_before_the_zipfile = central_pos - + (us.offset_central_dir+us.size_central_dir); + us.central_pos = central_pos; + us.pfile_in_zip_read = NULL; + us.encrypted = 0; + + + s=(unz_s*)ALLOC(sizeof(unz_s)); + *s=us; + unzGoToFirstFile((unzFile)s); + return (unzFile)s; +} + + +extern unzFile ZEXPORT unzOpen (path) + const char *path; +{ + return unzOpen2(path, NULL); +} + +/* + Close a ZipFile opened with unzipOpen. + If there is files inside the .Zip opened with unzipOpenCurrentFile (see later), + these files MUST be closed with unzipCloseCurrentFile before call unzipClose. + return UNZ_OK if there is no problem. */ +extern int ZEXPORT unzClose (file) + unzFile file; +{ + unz_s* s; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + + if (s->pfile_in_zip_read!=NULL) + unzCloseCurrentFile(file); + + ZCLOSE(s->z_filefunc, s->filestream); + TRYFREE(s); + return UNZ_OK; +} + + +/* + 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; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + *pglobal_info=s->gi; + return UNZ_OK; +} + + +/* + Translate date/time from Dos format to tm_unz (readable more easilty) +*/ +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) ; + + ptm->tm_hour = (uInt) ((ulDosDate &0xF800)/0x800); + ptm->tm_min = (uInt) ((ulDosDate&0x7E0)/0x20) ; + ptm->tm_sec = (uInt) (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; + int err=UNZ_OK; + uLong uMagic; + long lSeek=0; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + if (ZSEEK(s->z_filefunc, s->filestream, + s->pos_in_central_dir+s->byte_before_the_zipfile, + ZLIB_FILEFUNC_SEEK_SET)!=0) + err=UNZ_ERRNO; + + + /* we check the magic */ + if (err==UNZ_OK) + if (unzlocal_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) + err=UNZ_ERRNO; + + if (unzlocal_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) + err=UNZ_ERRNO; + + if (unzlocal_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) + err=UNZ_ERRNO; + + unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date); + + if (unzlocal_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) + err=UNZ_ERRNO; + + if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_filename) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_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_file_comment) != UNZ_OK) + err=UNZ_ERRNO; + + if (unzlocal_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.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) + err=UNZ_ERRNO; + + lSeek+=file_info.size_filename; + if ((err==UNZ_OK) && (szFileName!=NULL)) + { + uLong uSizeRead ; + if (file_info.size_filename<fileNameBufferSize) + { + *(szFileName+file_info.size_filename)='\0'; + uSizeRead = file_info.size_filename; + } + else + uSizeRead = fileNameBufferSize; + + if ((file_info.size_filename>0) && (fileNameBufferSize>0)) + if (ZREAD(s->z_filefunc, s->filestream,szFileName,uSizeRead)!=uSizeRead) + err=UNZ_ERRNO; + lSeek -= uSizeRead; + } + + + if ((err==UNZ_OK) && (extraField!=NULL)) + { + uLong uSizeRead ; + if (file_info.size_file_extra<extraFieldBufferSize) + uSizeRead = file_info.size_file_extra; + else + uSizeRead = extraFieldBufferSize; + + if (lSeek!=0) + if (ZSEEK(s->z_filefunc, s->filestream,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) + err=UNZ_ERRNO; + lSeek += file_info.size_file_extra - uSizeRead; + } + else + lSeek+=file_info.size_file_extra; + + + if ((err==UNZ_OK) && (szComment!=NULL)) + { + uLong uSizeRead ; + if (file_info.size_file_comment<commentBufferSize) + { + *(szComment+file_info.size_file_comment)='\0'; + uSizeRead = file_info.size_file_comment; + } + else + uSizeRead = commentBufferSize; + + if (lSeek!=0) + if (ZSEEK(s->z_filefunc, s->filestream,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) + 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; + + if ((err==UNZ_OK) && (pfile_info_internal!=NULL)) + *pfile_info_internal=file_info_internal; + + return err; +} + + + +/* + 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 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, + szFileName,fileNameBufferSize, + extraField,extraFieldBufferSize, + szComment,commentBufferSize); +} + +/* + 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; +{ + int err=UNZ_OK; + unz_s* s; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + s->pos_in_central_dir=s->offset_central_dir; + s->num_file=0; + err=unzlocal_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; +} + +/* + 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 unzGoToNextFile (file) + unzFile file; +{ + unz_s* s; + int err; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_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 */ + if (s->num_file+1==s->gi.number_entry) + return UNZ_END_OF_LIST_OF_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, + &s->cur_file_info_internal, + NULL,0,NULL,0,NULL,0); + s->current_file_ok = (err == UNZ_OK); + return err; +} + + +/* + Try locate the file szFileName in the zipfile. + For the iCaseSensitivity signification, see unzipStringFileNameCompare + + 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; + 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; + + + if (file==NULL) + return UNZ_PARAMERROR; + + if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP) + return UNZ_PARAMERROR; + + s=(unz_s*)file; + if (!s->current_file_ok) + return UNZ_END_OF_LIST_OF_FILE; + + /* Save the current state */ + num_fileSaved = s->num_file; + pos_in_central_dirSaved = s->pos_in_central_dir; + cur_file_infoSaved = s->cur_file_info; + cur_file_info_internalSaved = s->cur_file_info_internal; + + err = unzGoToFirstFile(file); + + while (err == UNZ_OK) + { + char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1]; + err = unzGetCurrentFileInfo(file,NULL, + szCurrentFileName,sizeof(szCurrentFileName)-1, + NULL,0,NULL,0); + if (err == UNZ_OK) + { + if (unzStringFileNameCompare(szCurrentFileName, + szFileName,iCaseSensitivity)==0) + return UNZ_OK; + err = unzGoToNextFile(file); + } + } + + /* We failed, so restore the state of the 'current file' to where we + * were. + */ + s->num_file = num_fileSaved ; + s->pos_in_central_dir = pos_in_central_dirSaved ; + s->cur_file_info = cur_file_infoSaved; + s->cur_file_info_internal = cur_file_info_internalSaved; + return err; +} + + +/* +/////////////////////////////////////////// +// Contributed by Ryan Haksi (mailto://cryogen@infoserve.net) +// I need random access +// +// Further optimization could be realized by adding an ability +// to cache the directory in memory. The goal being a single +// comprehensive file read to put the file I need in a memory. +*/ + +/* +typedef struct unz_file_pos_s +{ + uLong pos_in_zip_directory; // offset in file + uLong 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; + + if (file==NULL || file_pos==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + if (!s->current_file_ok) + return UNZ_END_OF_LIST_OF_FILE; + + file_pos->pos_in_zip_directory = s->pos_in_central_dir; + file_pos->num_of_file = s->num_file; + + return UNZ_OK; +} + +extern int ZEXPORT unzGoToFilePos(file, file_pos) + unzFile file; + unz_file_pos* file_pos; +{ + unz_s* s; + int err; + + if (file==NULL || file_pos==NULL) + return UNZ_PARAMERROR; + s=(unz_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, + &s->cur_file_info_internal, + NULL,0,NULL,0,NULL,0); + /* return results */ + s->current_file_ok = (err == UNZ_OK); + return err; +} + +/* +// Unzip Helper Functions - should be here? +/////////////////////////////////////////// +*/ + +/* + Read the local header of the current zipfile + Check the coherency of the local header and info in the end of central + directory about this file + 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; +{ + uLong uMagic,uData,uFlags; + uLong size_filename; + uLong size_extra_field; + int err=UNZ_OK; + + *piSizeVar = 0; + *poffset_local_extrafield = 0; + *psize_local_extrafield = 0; + + if (ZSEEK(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) + err=UNZ_ERRNO; + else if (uMagic!=0x04034b50) + err=UNZ_BADZIPFILE; + + if (unzlocal_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) + err=UNZ_ERRNO; + + if (unzlocal_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) && + (s->cur_file_info.compression_method!=Z_DEFLATED)) + err=UNZ_BADZIPFILE; + + if (unzlocal_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 */ + err=UNZ_ERRNO; + 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 */ + err=UNZ_ERRNO; + else if ((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 */ + err=UNZ_ERRNO; + else if ((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) + 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) + err=UNZ_ERRNO; + *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile + + SIZEZIPLOCALHEADER + size_filename; + *psize_local_extrafield = (uInt)size_extra_field; + + *piSizeVar += (uInt)size_extra_field; + + return err; +} + +/* + 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; +{ + 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 */ + uInt size_local_extrafield; /* size of the local extra field */ +# ifndef NOUNCRYPT + char source[12]; +# else + if (password != NULL) + return UNZ_PARAMERROR; +# endif + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_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) + return UNZ_BADZIPFILE; + + pfile_in_zip_read_info = (file_in_zip_read_info_s*) + ALLOC(sizeof(file_in_zip_read_info_s)); + if (pfile_in_zip_read_info==NULL) + return UNZ_INTERNALERROR; + + pfile_in_zip_read_info->read_buffer=(char*)ALLOC(UNZ_BUFSIZE); + pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield; + pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield; + pfile_in_zip_read_info->pos_local_extrafield=0; + pfile_in_zip_read_info->raw=raw; + + if (pfile_in_zip_read_info->read_buffer==NULL) + { + TRYFREE(pfile_in_zip_read_info); + return UNZ_INTERNALERROR; + } + + pfile_in_zip_read_info->stream_initialised=0; + + if (method!=NULL) + *method = (int)s->cur_file_info.compression_method; + + if (level!=NULL) + { + *level = 6; + switch (s->cur_file_info.flag & 0x06) + { + case 6 : *level = 1; break; + case 4 : *level = 2; break; + case 2 : *level = 9; break; + } + } + + if ((s->cur_file_info.compression_method!=0) && + (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->filestream=s->filestream; + pfile_in_zip_read_info->z_filefunc=s->z_filefunc; + pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile; + + pfile_in_zip_read_info->stream.total_out = 0; + + if ((s->cur_file_info.compression_method==Z_DEFLATED) && + (!raw)) + { + pfile_in_zip_read_info->stream.zalloc = (alloc_func)0; + pfile_in_zip_read_info->stream.zfree = (free_func)0; + pfile_in_zip_read_info->stream.opaque = (voidpf)0; + pfile_in_zip_read_info->stream.next_in = (voidpf)0; + pfile_in_zip_read_info->stream.avail_in = 0; + + err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS); + if (err == Z_OK) + pfile_in_zip_read_info->stream_initialised=1; + else + { + TRYFREE(pfile_in_zip_read_info); + return err; + } + /* windowBits is passed < 0 to tell that there is no zlib header. + * Note that in this case inflate *requires* an extra "dummy" byte + * after the compressed stream in order to complete decompression and + * return Z_STREAM_END. + * In unzip, i don't wait absolutely Z_STREAM_END because I known the + * size of both compressed and uncompressed data + */ + } + pfile_in_zip_read_info->rest_read_compressed = + s->cur_file_info.compressed_size ; + pfile_in_zip_read_info->rest_read_uncompressed = + s->cur_file_info.uncompressed_size ; + + + pfile_in_zip_read_info->pos_in_zipfile = + s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER + + iSizeVar; + + pfile_in_zip_read_info->stream.avail_in = (uInt)0; + + s->pfile_in_zip_read = pfile_in_zip_read_info; + +# ifndef NOUNCRYPT + if (password != NULL) + { + 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, + 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) + return UNZ_INTERNALERROR; + + for (i = 0; i<12; i++) + zdecode(s->keys,s->pcrc_32_tab,source[i]); + + s->pfile_in_zip_read->pos_in_zipfile+=12; + s->encrypted=1; + } +# endif + + + return UNZ_OK; +} + +extern int ZEXPORT unzOpenCurrentFile (file) + unzFile file; +{ + return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL); +} + +extern int ZEXPORT unzOpenCurrentFilePassword (file, password) + 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; +{ + return unzOpenCurrentFile3(file, method, level, raw, NULL); +} + +/* + 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 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; +{ + int err=UNZ_OK; + uInt iRead = 0; + unz_s* s; + file_in_zip_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_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)) + return UNZ_END_OF_LIST_OF_FILE; + if (len==0) + return 0; + + pfile_in_zip_read_info->stream.next_out = (Bytef*)buf; + + pfile_in_zip_read_info->stream.avail_out = (uInt)len; + + if ((len>pfile_in_zip_read_info->rest_read_uncompressed) && + (!(pfile_in_zip_read_info->raw))) + pfile_in_zip_read_info->stream.avail_out = + (uInt)pfile_in_zip_read_info->rest_read_uncompressed; + + if ((len>pfile_in_zip_read_info->rest_read_compressed+ + pfile_in_zip_read_info->stream.avail_in) && + (pfile_in_zip_read_info->raw)) + pfile_in_zip_read_info->stream.avail_out = + (uInt)pfile_in_zip_read_info->rest_read_compressed+ + pfile_in_zip_read_info->stream.avail_in; + + while (pfile_in_zip_read_info->stream.avail_out>0) + { + if ((pfile_in_zip_read_info->stream.avail_in==0) && + (pfile_in_zip_read_info->rest_read_compressed>0)) + { + uInt uReadThis = UNZ_BUFSIZE; + if (pfile_in_zip_read_info->rest_read_compressed<uReadThis) + 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, + 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, + pfile_in_zip_read_info->filestream, + pfile_in_zip_read_info->read_buffer, + uReadThis)!=uReadThis) + return UNZ_ERRNO; + + +# ifndef NOUNCRYPT + if(s->encrypted) + { + uInt i; + for(i=0;i<uReadThis;i++) + pfile_in_zip_read_info->read_buffer[i] = + zdecode(s->keys,s->pcrc_32_tab, + pfile_in_zip_read_info->read_buffer[i]); + } +# endif + + + pfile_in_zip_read_info->pos_in_zipfile += uReadThis; + + pfile_in_zip_read_info->rest_read_compressed-=uReadThis; + + pfile_in_zip_read_info->stream.next_in = + (Bytef*)pfile_in_zip_read_info->read_buffer; + pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis; + } + + if ((pfile_in_zip_read_info->compression_method==0) || (pfile_in_zip_read_info->raw)) + { + uInt uDoCopy,i ; + + 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; + + if (pfile_in_zip_read_info->stream.avail_out < + pfile_in_zip_read_info->stream.avail_in) + uDoCopy = pfile_in_zip_read_info->stream.avail_out ; + else + uDoCopy = pfile_in_zip_read_info->stream.avail_in ; + + for (i=0;i<uDoCopy;i++) + *(pfile_in_zip_read_info->stream.next_out+i) = + *(pfile_in_zip_read_info->stream.next_in+i); + + pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32, + pfile_in_zip_read_info->stream.next_out, + uDoCopy); + pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy; + pfile_in_zip_read_info->stream.avail_in -= uDoCopy; + pfile_in_zip_read_info->stream.avail_out -= uDoCopy; + pfile_in_zip_read_info->stream.next_out += uDoCopy; + pfile_in_zip_read_info->stream.next_in += uDoCopy; + pfile_in_zip_read_info->stream.total_out += uDoCopy; + iRead += uDoCopy; + } + else + { + uLong uTotalOutBefore,uTotalOutAfter; + const Bytef *bufBefore; + uLong uOutThis; + int flush=Z_SYNC_FLUSH; + + uTotalOutBefore = pfile_in_zip_read_info->stream.total_out; + bufBefore = pfile_in_zip_read_info->stream.next_out; + + /* + if ((pfile_in_zip_read_info->rest_read_uncompressed == + pfile_in_zip_read_info->stream.avail_out) && + (pfile_in_zip_read_info->rest_read_compressed == 0)) + flush = Z_FINISH; + */ + err=inflate(&pfile_in_zip_read_info->stream,flush); + + if ((err>=0) && (pfile_in_zip_read_info->stream.msg!=NULL)) + err = Z_DATA_ERROR; + + uTotalOutAfter = pfile_in_zip_read_info->stream.total_out; + 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; + + iRead += (uInt)(uTotalOutAfter - uTotalOutBefore); + + if (err==Z_STREAM_END) + return (iRead==0) ? UNZ_EOF : iRead; + if (err!=Z_OK) + break; + } + } + + if (err==Z_OK) + return iRead; + return err; +} + + +/* + 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; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + return (z_off_t)pfile_in_zip_read_info->stream.total_out; +} + + +/* + 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; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_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->rest_read_uncompressed == 0) + return 1; + else + return 0; +} + + + +/* + 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 + + if buf!=NULL, len is the size of the buffer, the extra header is copied in + buf. + the return value is the number of bytes copied in buf, or (if <0) + the error code +*/ +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; + uInt read_now; + uLong size_to_read; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + pfile_in_zip_read_info=s->pfile_in_zip_read; + + if (pfile_in_zip_read_info==NULL) + return UNZ_PARAMERROR; + + size_to_read = (pfile_in_zip_read_info->size_local_extrafield - + pfile_in_zip_read_info->pos_local_extrafield); + + if (buf==NULL) + return (int)size_to_read; + + if (len>size_to_read) + read_now = (uInt)size_to_read; + else + read_now = (uInt)len ; + + if (read_now==0) + return 0; + + if (ZSEEK(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, + pfile_in_zip_read_info->filestream, + buf,read_now)!=read_now) + return UNZ_ERRNO; + + return (int)read_now; +} + +/* + Close the file in zip opened with unzipOpenCurrentFile + Return UNZ_CRCERROR if all the file was read but the CRC is not good +*/ +extern int ZEXPORT unzCloseCurrentFile (file) + unzFile file; +{ + int err=UNZ_OK; + + unz_s* s; + file_in_zip_read_info_s* pfile_in_zip_read_info; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_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->rest_read_uncompressed == 0) && + (!pfile_in_zip_read_info->raw)) + { + if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait) + err=UNZ_CRCERROR; + } + + + TRYFREE(pfile_in_zip_read_info->read_buffer); + pfile_in_zip_read_info->read_buffer = NULL; + if (pfile_in_zip_read_info->stream_initialised) + inflateEnd(&pfile_in_zip_read_info->stream); + + pfile_in_zip_read_info->stream_initialised = 0; + TRYFREE(pfile_in_zip_read_info); + + s->pfile_in_zip_read=NULL; + + return err; +} + + +/* + Get the global comment string of the ZipFile, in the szComment buffer. + uSizeBuf is the size of the szComment buffer. + return the number of byte copied or an error code <0 +*/ +extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf) + unzFile file; + char *szComment; + uLong uSizeBuf; +{ + int err=UNZ_OK; + unz_s* s; + uLong uReadThis ; + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_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) + return UNZ_ERRNO; + + if (uReadThis>0) + { + *szComment='\0'; + if (ZREAD(s->z_filefunc,s->filestream,szComment,uReadThis)!=uReadThis) + return UNZ_ERRNO; + } + + if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment)) + *(szComment+s->gi.size_comment)='\0'; + return (int)uReadThis; +} + +/* Additions by RX '2004 */ +extern uLong ZEXPORT unzGetOffset (file) + unzFile file; +{ + unz_s* s; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + if (!s->current_file_ok) + return 0; + if (s->gi.number_entry != 0 && s->gi.number_entry != 0xffff) + if (s->num_file==s->gi.number_entry) + return 0; + return s->pos_in_central_dir; +} + +extern int ZEXPORT unzSetOffset (file, pos) + unzFile file; + uLong pos; +{ + unz_s* s; + int err; + + if (file==NULL) + return UNZ_PARAMERROR; + s=(unz_s*)file; + + s->pos_in_central_dir = pos; + s->num_file = s->gi.number_entry; /* hack */ + err = unzlocal_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; +} diff --git a/compat/zlib/contrib/minizip/unzip.h b/compat/zlib/contrib/minizip/unzip.h new file mode 100644 index 0000000..b247937 --- /dev/null +++ b/compat/zlib/contrib/minizip/unzip.h @@ -0,0 +1,354 @@ +/* unzip.h -- IO for uncompress .zip files using zlib + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g + WinZip, InfoZip tools and compatible. + + Multi volume ZipFile (span) are not supported. + Encryption compatible with pkzip 2.04g only supported + Old compressions used by old PKZip 1.x are not supported + + + I WAIT FEEDBACK at mail info@winimage.com + Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution + + Condition of use and distribution are the same than zlib : + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + +*/ + +/* 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 + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _ZLIB_H +#include "zlib.h" +#endif + +#ifndef _ZLIBIOAPI_H +#include "ioapi.h" +#endif + +#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP) +/* like the STRICT of WIN32, we define a pointer that cannot be converted + from (void*) without cast */ +typedef struct TagunzFile__ { int unused; } unzFile__; +typedef unzFile__ *unzFile; +#else +typedef voidp unzFile; +#endif + + +#define UNZ_OK (0) +#define UNZ_END_OF_LIST_OF_FILE (-100) +#define UNZ_ERRNO (Z_ERRNO) +#define UNZ_EOF (0) +#define UNZ_PARAMERROR (-102) +#define UNZ_BADZIPFILE (-103) +#define UNZ_INTERNALERROR (-104) +#define UNZ_CRCERROR (-105) + +/* tm_unz contain date/time info */ +typedef struct tm_unz_s +{ + uInt tm_sec; /* seconds after the minute - [0,59] */ + uInt tm_min; /* minutes after the hour - [0,59] */ + uInt tm_hour; /* hours since midnight - [0,23] */ + uInt tm_mday; /* day of the month - [1,31] */ + uInt tm_mon; /* months since January - [0,11] */ + uInt tm_year; /* years - [1980..2044] */ +} tm_unz; + +/* unz_global_info structure contain global data about the ZIPfile + These data comes from the end of central dir */ +typedef struct unz_global_info_s +{ + uLong number_entry; /* total number of entries in + the central dir on this disk */ + uLong size_comment; /* size of the global comment of the zipfile */ +} unz_global_info; + + +/* unz_file_info contain information about a file in the zipfile */ +typedef struct unz_file_info_s +{ + uLong version; /* version made by 2 bytes */ + uLong version_needed; /* version needed to extract 2 bytes */ + uLong flag; /* general purpose bit flag 2 bytes */ + uLong compression_method; /* compression method 2 bytes */ + uLong dosDate; /* last mod file date in Dos fmt 4 bytes */ + uLong crc; /* crc-32 4 bytes */ + uLong compressed_size; /* compressed size 4 bytes */ + uLong uncompressed_size; /* uncompressed size 4 bytes */ + uLong size_filename; /* filename length 2 bytes */ + uLong size_file_extra; /* extra field length 2 bytes */ + uLong size_file_comment; /* file comment length 2 bytes */ + + 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_info; + +extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1, + const char* fileName2, + int iCaseSensitivity)); +/* + Compare two filename (fileName1,fileName2). + If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp) + If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi + or strcasecmp) + If iCaseSenisivity = 0, case sensitivity is defaut of your operating system + (like 1 on Unix, 2 on Windows) +*/ + + +extern unzFile ZEXPORT unzOpen OF((const char *path)); +/* + Open a Zip file. path contain the full pathname (by example, + on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer + "zlib/zlib113.zip". + If the zipfile cannot be opened (file don't exist or in not valid), the + return value is NULL. + Else, the return value is a unzFile Handle, usable with other function + of this unzip package. +*/ + +extern unzFile ZEXPORT unzOpen2 OF((const char *path, + zlib_filefunc_def* pzlib_filefunc_def)); +/* + Open a Zip file, like unzOpen, but provide a set of file low level API + for read/write the zip file (see ioapi.h) +*/ + +extern int ZEXPORT unzClose OF((unzFile file)); +/* + Close a ZipFile opened with unzipOpen. + If there is files inside the .Zip opened with unzOpenCurrentFile (see later), + these files MUST be closed with unzipCloseCurrentFile before call unzipClose. + return UNZ_OK if there is no problem. */ + +extern int ZEXPORT unzGetGlobalInfo OF((unzFile file, + unz_global_info *pglobal_info)); +/* + Write info about the ZipFile in the *pglobal_info structure. + No preparation of the structure is needed + return UNZ_OK if there is no problem. */ + + +extern int ZEXPORT unzGetGlobalComment OF((unzFile file, + char *szComment, + uLong uSizeBuf)); +/* + Get the global comment string of the ZipFile, in the szComment buffer. + uSizeBuf is the size of the szComment buffer. + return the number of byte copied or an error code <0 +*/ + + +/***************************************************************************/ +/* Unzip package allow you browse the directory of the zipfile */ + +extern int ZEXPORT unzGoToFirstFile OF((unzFile file)); +/* + Set the current file of the zipfile to the first file. + return UNZ_OK if there is no problem +*/ + +extern int ZEXPORT unzGoToNextFile OF((unzFile file)); +/* + Set the current file of the zipfile to the next file. + return UNZ_OK if there is no problem + return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest. +*/ + +extern int ZEXPORT unzLocateFile OF((unzFile file, + const char *szFileName, + int iCaseSensitivity)); +/* + Try locate the file szFileName in the zipfile. + For the iCaseSensitivity signification, see unzStringFileNameCompare + + return value : + UNZ_OK if the file is found. It becomes the current file. + UNZ_END_OF_LIST_OF_FILE if the file is not found +*/ + + +/* ****************************************** */ +/* Ryan supplied functions */ +/* unz_file_info contain information about a file in the zipfile */ +typedef struct unz_file_pos_s +{ + uLong pos_in_zip_directory; /* offset in zip file directory */ + uLong num_of_file; /* # of file */ +} unz_file_pos; + +extern int ZEXPORT unzGetFilePos( + unzFile file, + unz_file_pos* file_pos); + +extern int ZEXPORT unzGoToFilePos( + unzFile file, + unz_file_pos* file_pos); + +/* ****************************************** */ + +extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file, + unz_file_info *pfile_info, + char *szFileName, + uLong fileNameBufferSize, + void *extraField, + uLong extraFieldBufferSize, + char *szComment, + uLong commentBufferSize)); +/* + Get Info about the current file + if pfile_info!=NULL, the *pfile_info structure will contain somes info about + the current file + if szFileName!=NULL, the filemane string will be copied in szFileName + (fileNameBufferSize is the size of the buffer) + if extraField!=NULL, the extra field information will be copied in extraField + (extraFieldBufferSize is the size of the buffer). + This is the Central-header version of the extra field + if szComment!=NULL, the comment string of the file will be copied in szComment + (commentBufferSize is the size of the buffer) +*/ + +/***************************************************************************/ +/* for reading the content of the current zipfile, you can open it, read data + from it, and close it (you can close it before reading all the file) + */ + +extern int ZEXPORT unzOpenCurrentFile OF((unzFile file)); +/* + Open for reading data the current file in the zipfile. + If there is no error, the return value is UNZ_OK. +*/ + +extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file, + const char* password)); +/* + Open for reading data the current file in the zipfile. + password is a crypting password + If there is no error, the return value is UNZ_OK. +*/ + +extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file, + int* method, + int* level, + int raw)); +/* + Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) + if raw==1 + *method will receive method of compression, *level will receive level of + compression + note : you can set level parameter as NULL (if you did not want known level, + but you CANNOT set method parameter as NULL +*/ + +extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file, + int* method, + int* level, + int raw, + const char* password)); +/* + Same than unzOpenCurrentFile, but open for read raw the file (not uncompress) + if raw==1 + *method will receive method of compression, *level will receive level of + compression + note : you can set level parameter as NULL (if you did not want known level, + but you CANNOT set method parameter as NULL +*/ + + +extern int ZEXPORT unzCloseCurrentFile OF((unzFile file)); +/* + Close the file in zip opened with unzOpenCurrentFile + Return UNZ_CRCERROR if all the file was read but the CRC is not good +*/ + +extern int ZEXPORT unzReadCurrentFile OF((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 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)); +/* + Give the current position in uncompressed data +*/ + +extern int ZEXPORT unzeof OF((unzFile file)); +/* + return 1 if the end of file was reached, 0 elsewhere +*/ + +extern int ZEXPORT unzGetLocalExtrafield OF((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 + more info in the local-header version than in the central-header) + + if buf==NULL, it return the size of the local extra field + + if buf!=NULL, len is the size of the buffer, the extra header is copied in + buf. + the return value is the number of bytes copied in buf, or (if <0) + the error code +*/ + +/***************************************************************************/ + +/* Get the current file offset */ +extern uLong ZEXPORT unzGetOffset (unzFile file); + +/* Set the current file offset */ +extern int ZEXPORT unzSetOffset (unzFile file, uLong pos); + + + +#ifdef __cplusplus +} +#endif + +#endif /* _unz_H */ diff --git a/compat/zlib/contrib/minizip/zip.c b/compat/zlib/contrib/minizip/zip.c new file mode 100644 index 0000000..7fbe002 --- /dev/null +++ b/compat/zlib/contrib/minizip/zip.c @@ -0,0 +1,1219 @@ +/* zip.c -- IO on .zip files using zlib + Version 1.01e, February 12th, 2005 + + 27 Dec 2004 Rolf Kalbermatter + Modification to zipOpen2 to support globalComment retrieval. + + Copyright (C) 1998-2005 Gilles Vollant + + Read zip.h for more info +*/ + + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include "zlib.h" +#include "zip.h" + +#ifdef STDC +# include <stddef.h> +# include <string.h> +# include <stdlib.h> +#endif +#ifdef NO_ERRNO_H + extern int errno; +#else +# include <errno.h> +#endif + + +#ifndef local +# define local static +#endif +/* compile with -Dlocal if your debugger can't find static symbols */ + +#ifndef VERSIONMADEBY +# define VERSIONMADEBY (0x0) /* platform depedent */ +#endif + +#ifndef Z_BUFSIZE +#define Z_BUFSIZE (16384) +#endif + +#ifndef Z_MAXFILENAMEINZIP +#define Z_MAXFILENAMEINZIP (256) +#endif + +#ifndef ALLOC +# define ALLOC(size) (malloc(size)) +#endif +#ifndef TRYFREE +# define TRYFREE(p) {if (p) free(p);} +#endif + +/* +#define SIZECENTRALDIRITEM (0x2e) +#define SIZEZIPLOCALHEADER (0x1e) +*/ + +/* 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 + +#ifndef DEF_MEM_LEVEL +#if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +#else +# 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"; + + +#define SIZEDATA_INDATABLOCK (4096-(4*4)) + +#define LOCALHEADERMAGIC (0x04034b50) +#define CENTRALHEADERMAGIC (0x02014b50) +#define ENDHEADERMAGIC (0x06054b50) + +#define FLAG_LOCALHEADER_OFFSET (0x06) +#define CRC_LOCALHEADER_OFFSET (0x0e) + +#define SIZECENTRALHEADER (0x2e) /* 46 */ + +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 */ + unsigned char data[SIZEDATA_INDATABLOCK]; +} linkedlist_datablock_internal; + +typedef struct linkedlist_data_s +{ + linkedlist_datablock_internal* first_block; + linkedlist_datablock_internal* last_block; +} linkedlist_data; + + +typedef struct +{ + z_stream stream; /* zLib stream structure for inflate */ + 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 */ + char* central_header; /* central header data for the current file */ + uLong size_centralheader; /* size of the central header for cur file */ + uLong flag; /* flag of the file currently writing */ + + int method; /* compression method of file currenty 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; +#ifndef NOCRYPT + unsigned long keys[3]; /* keys defining the pseudo-random sequence */ + const unsigned long* pcrc_32_tab; + int crypt_header_size; +#endif +} curfile_info; + +typedef struct +{ + zlib_filefunc_def z_filefunc; + voidpf filestream; /* io structore 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 */ + + 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; + + + +#ifndef NOCRYPT +#define INCLUDECRYPTINGCODE_IFCRYPTALLOWED +#include "crypt.h" +#endif + +local linkedlist_datablock_internal* allocate_new_datablock() +{ + linkedlist_datablock_internal* ldi; + ldi = (linkedlist_datablock_internal*) + ALLOC(sizeof(linkedlist_datablock_internal)); + if (ldi!=NULL) + { + ldi->next_datablock = NULL ; + ldi->filled_in_this_block = 0 ; + ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ; + } + return ldi; +} + +local void free_datablock(ldi) + linkedlist_datablock_internal* ldi; +{ + while (ldi!=NULL) + { + linkedlist_datablock_internal* ldinext = ldi->next_datablock; + TRYFREE(ldi); + ldi = ldinext; + } +} + +local void init_linkedlist(ll) + linkedlist_data* ll; +{ + ll->first_block = ll->last_block = NULL; +} + +local void free_linkedlist(ll) + 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; +{ + linkedlist_datablock_internal* ldi; + const unsigned char* from_copy; + + if (ll==NULL) + return ZIP_INTERNALERROR; + + if (ll->last_block == NULL) + { + ll->first_block = ll->last_block = allocate_new_datablock(); + if (ll->first_block == NULL) + return ZIP_INTERNALERROR; + } + + ldi = ll->last_block; + from_copy = (unsigned char*)buf; + + while (len>0) + { + uInt copy_this; + uInt i; + unsigned char* to_copy; + + if (ldi->avail_in_this_block==0) + { + ldi->next_datablock = allocate_new_datablock(); + if (ldi->next_datablock == NULL) + return ZIP_INTERNALERROR; + ldi = ldi->next_datablock ; + ll->last_block = ldi; + } + + if (ldi->avail_in_this_block < len) + copy_this = (uInt)ldi->avail_in_this_block; + else + copy_this = (uInt)len; + + to_copy = &(ldi->data[ldi->filled_in_this_block]); + + for (i=0;i<copy_this;i++) + *(to_copy+i)=*(from_copy+i); + + ldi->filled_in_this_block += copy_this; + ldi->avail_in_this_block -= copy_this; + from_copy += copy_this ; + len -= copy_this; + } + return ZIP_OK; +} + + + +/****************************************************************************/ + +#ifndef NO_ADDFILEINEXISTINGZIP +/* =========================================================================== + Inputs a long in LSB order to the given file + nbByte == 1, 2 or 4 (byte, short or long) +*/ + +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]; + int n; + for (n = 0; n < nbByte; n++) + { + buf[n] = (unsigned char)(x & 0xff); + x >>= 8; + } + if (x != 0) + { /* data overflow - hack for ZIP64 (X Roche) */ + for (n = 0; n < nbByte; n++) + { + buf[n] = 0xff; + } + } + + if (ZWRITE(*pzlib_filefunc_def,filestream,buf,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; +{ + unsigned char* buf=(unsigned char*)dest; + int n; + for (n = 0; n < nbByte; n++) { + buf[n] = (unsigned char)(x & 0xff); + x >>= 8; + } + + if (x != 0) + { /* data overflow - hack for ZIP64 */ + for (n = 0; n < nbByte; n++) + { + buf[n] = 0xff; + } + } +} + +/****************************************************************************/ + + +local uLong ziplocal_TmzDateToDosDate(ptm,dosDate) + const tm_zip* ptm; + uLong dosDate; +{ + 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)); +} + + +/****************************************************************************/ + +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; +{ + unsigned char c; + int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1); + if (err==1) + { + *pi = (int)c; + return ZIP_OK; + } + else + { + if (ZERROR(*pzlib_filefunc_def,filestream)) + return ZIP_ERRNO; + else + return ZIP_EOF; + } +} + + +/* =========================================================================== + 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; +{ + uLong x ; + int i; + int err; + + err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; + + if (err==ZIP_OK) + err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<8; + + if (err==ZIP_OK) + *pX = x; + else + *pX = 0; + 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; +{ + uLong x ; + int i; + int err; + + err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + x = (uLong)i; + + if (err==ZIP_OK) + err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<8; + + if (err==ZIP_OK) + err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<16; + + if (err==ZIP_OK) + err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); + x += ((uLong)i)<<24; + + 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) +*/ +local uLong ziplocal_SearchCentralDir OF(( + const zlib_filefunc_def* pzlib_filefunc_def, + voidpf filestream)); + +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; + + + uSizeFile = ZTELL(*pzlib_filefunc_def,filestream); + + if (uMaxBack>uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); + if (buf==NULL) + return 0; + + uBackRead = 4; + while (uBackRead<uMaxBack) + { + uLong uReadSize,uReadPos ; + int i; + if (uBackRead+BUFREADCOMMENT>uMaxBack) + 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; + + if (ZREAD(*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; + } + + if (uPosFound!=0) + break; + } + TRYFREE(buf); + return uPosFound; +} +#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; + int err=ZIP_OK; + + + if (pzlib_filefunc_def==NULL) + fill_fopen_filefunc(&ziinit.z_filefunc); + else + ziinit.z_filefunc = *pzlib_filefunc_def; + + ziinit.filestream = (*(ziinit.z_filefunc.zopen_file)) + (ziinit.z_filefunc.opaque, + pathname, + (append == APPEND_STATUS_CREATE) ? + (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE) : + (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING)); + + if (ziinit.filestream == NULL) + return NULL; + ziinit.begin_pos = ZTELL(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; + init_linkedlist(&(ziinit.central_dir)); + + + zi = (zip_internal*)ALLOC(sizeof(zip_internal)); + if (zi==NULL) + { + ZCLOSE(ziinit.z_filefunc,ziinit.filestream); + return NULL; + } + + /* now we add file in a zipfile */ +# ifndef NO_ADDFILEINEXISTINGZIP + ziinit.globalcomment = NULL; + if (append == APPEND_STATUS_ADDINZIP) + { + uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ + + uLong size_central_dir; /* size of the central directory */ + uLong offset_central_dir; /* offset of start of central directory */ + uLong central_pos,uL; + + uLong number_disk; /* number of the current dist, used for + spaning ZIP, unsupported, always 0*/ + uLong number_disk_with_CD; /* number the the disk with central dir, used + for spaning ZIP, unsupported, always 0*/ + uLong number_entry; + uLong number_entry_CD; /* total number of entries in + the central dir + (same than number_entry on nospan) */ + uLong size_comment; + + central_pos = ziplocal_SearchCentralDir(&ziinit.z_filefunc,ziinit.filestream); + if (central_pos==0) + err=ZIP_ERRNO; + + if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, + central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) + err=ZIP_ERRNO; + + /* the signature, already checked */ + if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&uL)!=ZIP_OK) + err=ZIP_ERRNO; + + /* number of this disk */ + if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk)!=ZIP_OK) + err=ZIP_ERRNO; + + /* number of the disk with the start of the central directory */ + if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk_with_CD)!=ZIP_OK) + err=ZIP_ERRNO; + + /* total number of entries in the central dir on this disk */ + if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry)!=ZIP_OK) + err=ZIP_ERRNO; + + /* total number of entries in the central dir */ + if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry_CD)!=ZIP_OK) + err=ZIP_ERRNO; + + if ((number_entry_CD!=number_entry) || + (number_disk_with_CD!=0) || + (number_disk!=0)) + err=ZIP_BADZIPFILE; + + /* size of the central directory */ + if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&size_central_dir)!=ZIP_OK) + err=ZIP_ERRNO; + + /* offset of start of central directory with respect to the + starting disk number */ + if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&offset_central_dir)!=ZIP_OK) + err=ZIP_ERRNO; + + /* zipfile global comment length */ + if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&size_comment)!=ZIP_OK) + err=ZIP_ERRNO; + + if ((central_pos<offset_central_dir+size_central_dir) && + (err==ZIP_OK)) + err=ZIP_BADZIPFILE; + + if (err!=ZIP_OK) + { + ZCLOSE(ziinit.z_filefunc, ziinit.filestream); + return NULL; + } + + if (size_comment>0) + { + ziinit.globalcomment = ALLOC(size_comment+1); + if (ziinit.globalcomment) + { + size_comment = ZREAD(ziinit.z_filefunc, ziinit.filestream,ziinit.globalcomment,size_comment); + ziinit.globalcomment[size_comment]=0; + } + } + + byte_before_the_zipfile = central_pos - + (offset_central_dir+size_central_dir); + ziinit.add_position_when_writting_offset = byte_before_the_zipfile; + + { + uLong size_central_dir_to_read = size_central_dir; + size_t buf_size = SIZEDATA_INDATABLOCK; + void* buf_read = (void*)ALLOC(buf_size); + if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, + offset_central_dir + byte_before_the_zipfile, + ZLIB_FILEFUNC_SEEK_SET) != 0) + err=ZIP_ERRNO; + + while ((size_central_dir_to_read>0) && (err==ZIP_OK)) + { + uLong read_this = SIZEDATA_INDATABLOCK; + if (read_this > size_central_dir_to_read) + read_this = size_central_dir_to_read; + if (ZREAD(ziinit.z_filefunc, ziinit.filestream,buf_read,read_this) != read_this) + err=ZIP_ERRNO; + + if (err==ZIP_OK) + err = add_data_in_datablock(&ziinit.central_dir,buf_read, + (uLong)read_this); + size_central_dir_to_read-=read_this; + } + TRYFREE(buf_read); + } + ziinit.begin_pos = byte_before_the_zipfile; + ziinit.number_entry = number_entry_CD; + + if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, + offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0) + err=ZIP_ERRNO; + } + + if (globalcomment) + { + *globalcomment = ziinit.globalcomment; + } +# endif /* !NO_ADDFILEINEXISTINGZIP*/ + + if (err != ZIP_OK) + { +# ifndef NO_ADDFILEINEXISTINGZIP + TRYFREE(ziinit.globalcomment); +# endif /* !NO_ADDFILEINEXISTINGZIP*/ + TRYFREE(zi); + return NULL; + } + else + { + *zi = ziinit; + return (zipFile)zi; + } +} + +extern zipFile ZEXPORT zipOpen (pathname, append) + const char *pathname; + int append; +{ + return zipOpen2(pathname,append,NULL,NULL); +} + +extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting) + zipFile file; + const char* filename; + const zip_fileinfo* zipfi; + const void* extrafield_local; + uInt size_extrafield_local; + const void* extrafield_global; + uInt size_extrafield_global; + const char* comment; + int method; + int level; + int raw; + int windowBits; + int memLevel; + int strategy; + const char* password; + uLong crcForCrypting; +{ + zip_internal* zi; + uInt size_filename; + uInt size_comment; + uInt i; + int err = ZIP_OK; + +# ifdef NOCRYPT + if (password != NULL) + return ZIP_PARAMERROR; +# endif + + if (file == NULL) + return ZIP_PARAMERROR; + if ((method!=0) && (method!=Z_DEFLATED)) + return ZIP_PARAMERROR; + + zi = (zip_internal*)file; + + if (zi->in_opened_file_inzip == 1) + { + err = zipCloseFileInZip (file); + if (err != ZIP_OK) + return err; + } + + + if (filename==NULL) + filename="-"; + + if (comment==NULL) + size_comment = 0; + else + size_comment = (uInt)strlen(comment); + + size_filename = (uInt)strlen(filename); + + if (zipfi == NULL) + zi->ci.dosDate = 0; + else + { + if (zipfi->dosDate != 0) + zi->ci.dosDate = zipfi->dosDate; + else zi->ci.dosDate = ziplocal_TmzDateToDosDate(&zipfi->tmz_date,zipfi->dosDate); + } + + zi->ci.flag = 0; + if ((level==8) || (level==9)) + zi->ci.flag |= 2; + if ((level==2)) + zi->ci.flag |= 4; + if ((level==1)) + zi->ci.flag |= 6; + if (password != NULL) + zi->ci.flag |= 1; + + zi->ci.crc32 = 0; + zi->ci.method = method; + zi->ci.encrypt = 0; + 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); + + ziplocal_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*/ + + if (zipfi==NULL) + ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2); + else + ziplocal_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); + else + ziplocal_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); + + for (i=0;i<size_filename;i++) + *(zi->ci.central_header+SIZECENTRALHEADER+i) = *(filename+i); + + for (i=0;i<size_extrafield_global;i++) + *(zi->ci.central_header+SIZECENTRALHEADER+size_filename+i) = + *(((const char*)extrafield_global)+i); + + for (i=0;i<size_comment;i++) + *(zi->ci.central_header+SIZECENTRALHEADER+size_filename+ + size_extrafield_global+i) = *(comment+i); + if (zi->ci.central_header == NULL) + return ZIP_INTERNALERROR; + + /* write the local header */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC,4); + + 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); + + 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; + + zi->ci.stream.avail_in = (uInt)0; + zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.stream.next_out = zi->ci.buffered_data; + zi->ci.stream.total_in = 0; + zi->ci.stream.total_out = 0; + + if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) + { + 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; + + err = deflateInit2(&zi->ci.stream, level, + Z_DEFLATED, windowBits, memLevel, strategy); + + if (err==Z_OK) + zi->ci.stream_initialised = 1; + } +# ifndef NOCRYPT + zi->ci.crypt_header_size = 0; + if ((err==Z_OK) && (password != NULL)) + { + unsigned char bufHead[RAND_HEAD_LEN]; + unsigned int sizeHead; + zi->ci.encrypt = 1; + zi->ci.pcrc_32_tab = get_crc_table(); + /*init_keys(password,zi->ci.keys,zi->ci.pcrc_32_tab);*/ + + 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) + err = ZIP_ERRNO; + } +# endif + + if (err==Z_OK) + zi->in_opened_file_inzip = 1; + return err; +} + +extern int ZEXPORT zipOpenNewFileInZip2(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw) + zipFile file; + const char* filename; + const zip_fileinfo* zipfi; + const void* extrafield_local; + uInt size_extrafield_local; + const void* extrafield_global; + uInt size_extrafield_global; + const char* comment; + int method; + int level; + int raw; +{ + return zipOpenNewFileInZip3 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0); +} + +extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level) + zipFile file; + const char* filename; + const zip_fileinfo* zipfi; + const void* extrafield_local; + uInt size_extrafield_local; + const void* extrafield_global; + uInt size_extrafield_global; + const char* comment; + int method; + int level; +{ + return zipOpenNewFileInZip2 (file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, 0); +} + +local int zipFlushWriteBuffer(zi) + zip_internal* zi; +{ + int err=ZIP_OK; + + if (zi->ci.encrypt != 0) + { +#ifndef NOCRYPT + uInt i; + int t; + for (i=0;i<zi->ci.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); +#endif + } + if (ZWRITE(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.pos_in_buffered_data = 0; + return err; +} + +extern int ZEXPORT zipWriteInFileInZip (file, buf, len) + zipFile file; + const void* buf; + unsigned len; +{ + zip_internal* zi; + int err=ZIP_OK; + + if (file == NULL) + return ZIP_PARAMERROR; + zi = (zip_internal*)file; + + if (zi->in_opened_file_inzip == 0) + return ZIP_PARAMERROR; + + zi->ci.stream.next_in = (void*)buf; + zi->ci.stream.avail_in = len; + zi->ci.crc32 = crc32(zi->ci.crc32,buf,len); + + while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0)) + { + if (zi->ci.stream.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(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; + } + } + } + + return err; +} + +extern int ZEXPORT zipCloseFileInZipRaw (file, uncompressed_size, crc32) + zipFile file; + uLong uncompressed_size; + uLong crc32; +{ + zip_internal* zi; + uLong compressed_size; + int err=ZIP_OK; + + if (file == NULL) + return ZIP_PARAMERROR; + zi = (zip_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) + { + uLong uTotalOutBefore; + if (zi->ci.stream.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; + } + 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) ; + } + + 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) + err = ZIP_ERRNO; + + if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) + { + err=deflateEnd(&zi->ci.stream); + zi->ci.stream_initialised = 0; + } + + if (!zi->ci.raw) + { + crc32 = (uLong)zi->ci.crc32; + uncompressed_size = (uLong)zi->ci.stream.total_in; + } + compressed_size = (uLong)zi->ci.stream.total_out; +# 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*/ + 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*/ + + if (err==ZIP_OK) + 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) + err = ZIP_ERRNO; + + if (err==ZIP_OK) + err = ziplocal_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 (err==ZIP_OK) /* uncompressed size, unknown */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4); + + if (ZSEEK(zi->z_filefunc,zi->filestream, + cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0) + err = ZIP_ERRNO; + } + + zi->number_entry ++; + zi->in_opened_file_inzip = 0; + + return err; +} + +extern int ZEXPORT zipCloseFileInZip (file) + zipFile file; +{ + return zipCloseFileInZipRaw (file,0,0); +} + +extern int ZEXPORT zipClose (file, global_comment) + zipFile file; + const char* global_comment; +{ + zip_internal* zi; + int err = 0; + uLong size_centraldir = 0; + uLong centraldir_pos_inzip; + uInt size_global_comment; + if (file == NULL) + return ZIP_PARAMERROR; + zi = (zip_internal*)file; + + if (zi->in_opened_file_inzip == 1) + { + err = zipCloseFileInZip (file); + } + +#ifndef NO_ADDFILEINEXISTINGZIP + 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); + if (err==ZIP_OK) + { + 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 ) + err = ZIP_ERRNO; + + size_centraldir += ldi->filled_in_this_block; + ldi = ldi->next_datablock; + } + } + free_datablock(zi->central_dir.first_block); + + if (err==ZIP_OK) /* Magic End */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4); + + if (err==ZIP_OK) /* number of this disk */ + err = ziplocal_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 = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); + + 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) /* total number of entries in the central dir */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); + + if (err==ZIP_OK) /* size of the central directory */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4); + + if (err==ZIP_OK) /* offset of start of central directory with respect to the + starting disk number */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream, + (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4); + + if (err==ZIP_OK) /* zipfile comment length */ + err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2); + + if ((err==ZIP_OK) && (size_global_comment>0)) + if (ZWRITE(zi->z_filefunc,zi->filestream, + global_comment,size_global_comment) != size_global_comment) + err = ZIP_ERRNO; + + if (ZCLOSE(zi->z_filefunc,zi->filestream) != 0) + if (err == ZIP_OK) + err = ZIP_ERRNO; + +#ifndef NO_ADDFILEINEXISTINGZIP + TRYFREE(zi->globalcomment); +#endif + TRYFREE(zi); + + return err; +} diff --git a/compat/zlib/contrib/minizip/zip.h b/compat/zlib/contrib/minizip/zip.h new file mode 100644 index 0000000..acacce8 --- /dev/null +++ b/compat/zlib/contrib/minizip/zip.h @@ -0,0 +1,235 @@ +/* zip.h -- IO for compress .zip files using zlib + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + 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 + + For uncompress .zip file, look at unzip.h + + + 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 : + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + +*/ + +/* for more info about .ZIP format, see + http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip + http://www.info-zip.org/pub/infozip/doc/ + PkWare has also a specification at : + ftp://ftp.pkware.com/probdesc.zip +*/ + +#ifndef _zip_H +#define _zip_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _ZLIB_H +#include "zlib.h" +#endif + +#ifndef _ZLIBIOAPI_H +#include "ioapi.h" +#endif + +#if defined(STRICTZIP) || defined(STRICTZIPUNZIP) +/* like the STRICT of WIN32, we define a pointer that cannot be converted + from (void*) without cast */ +typedef struct TagzipFile__ { int unused; } zipFile__; +typedef zipFile__ *zipFile; +#else +typedef voidp zipFile; +#endif + +#define ZIP_OK (0) +#define ZIP_EOF (0) +#define ZIP_ERRNO (Z_ERRNO) +#define ZIP_PARAMERROR (-102) +#define ZIP_BADZIPFILE (-103) +#define ZIP_INTERNALERROR (-104) + +#ifndef DEF_MEM_LEVEL +# if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +# else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +# endif +#endif +/* default memLevel */ + +/* 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] */ +} tm_zip; + +typedef struct +{ + tm_zip tmz_date; /* date in understandable format */ + uLong dosDate; /* if dos_date == 0, tmu_date is used */ +/* uLong flag; */ /* general purpose bit flag 2 bytes */ + + uLong internal_fa; /* internal file attributes 2 bytes */ + uLong external_fa; /* external file attributes 4 bytes */ +} zip_fileinfo; + +typedef const char* zipcharpc; + + +#define APPEND_STATUS_CREATE (0) +#define APPEND_STATUS_CREATEAFTER (1) +#define APPEND_STATUS_ADDINZIP (2) + +extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append)); +/* + Create a zipfile. + pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on + an Unix computer "zlib/zlib113.zip". + if the file pathname exist and append==APPEND_STATUS_CREATEAFTER, the zip + will be created at the end of the file. + (useful if the file contain a self extractor code) + if the file pathname exist and append==APPEND_STATUS_ADDINZIP, we will + add files in existing zip (be sure you don't add file that doesn't exist) + 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 +*/ + +extern zipFile ZEXPORT zipOpen2 OF((const char *pathname, + int append, + zipcharpc* globalcomment, + zlib_filefunc_def* pzlib_filefunc_def)); + +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 + if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global + contains the extrafield data the the local 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) +*/ + + +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)); + +/* + Same than zipOpenNewFileInZip, except if raw=1, we write raw file + */ + +extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file, + const char* filename, + const zip_fileinfo* zipfi, + const void* extrafield_local, + uInt size_extrafield_local, + const void* extrafield_global, + uInt size_extrafield_global, + const char* comment, + int method, + int level, + int raw, + int windowBits, + int memLevel, + int strategy, + const char* password, + uLong crcForCtypting)); + +/* + 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) + */ + + +extern int ZEXPORT zipWriteInFileInZip OF((zipFile file, + const void* buf, + unsigned len)); +/* + Write data in the zipfile +*/ + +extern int ZEXPORT zipCloseFileInZip OF((zipFile file)); +/* + Close the current file in the zipfile +*/ + +extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file, + uLong uncompressed_size, + uLong crc32)); +/* + Close the current file in the zipfile, for fiel 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)); +/* + Close the zipfile +*/ + +#ifdef __cplusplus +} +#endif + +#endif /* _zip_H */ |