diff options
Diffstat (limited to 'libs/zlib/src/zip.c')
| -rw-r--r-- | libs/zlib/src/zip.c | 3169 |
1 files changed, 1542 insertions, 1627 deletions
diff --git a/libs/zlib/src/zip.c b/libs/zlib/src/zip.c index ea54853e85..b6e7833628 100644 --- a/libs/zlib/src/zip.c +++ b/libs/zlib/src/zip.c @@ -129,54 +129,54 @@ typedef struct linkedlist_data_s typedef struct { - z_stream stream; /* zLib stream structure for inflate */ -#ifdef HAVE_BZIP2 - bz_stream bstream; /* bzLib stream structure for bziped */ -#endif - - int stream_initialised; /* 1 is stream is initialised */ - uInt pos_in_buffered_data; /* last written byte in buffered_data */ - - ZPOS64_T 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_centralExtra; - uLong size_centralheader; /* size of the central header for cur file */ - uLong size_centralExtraFree; /* Extra bytes allocated to the centralheader but that are not used */ - uLong flag; /* flag of the file currently writing */ - - int method; /* compression method of file currenty wr.*/ - int raw; /* 1 for directly writing raw data */ - Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/ - uLong dosDate; - uLong crc32; - int encrypt; - int zip64; /* Add ZIP64 extened information in the extra field */ - ZPOS64_T pos_zip64extrainfo; - ZPOS64_T totalCompressedData; - ZPOS64_T totalUncompressedData; -#ifndef NOCRYPT - unsigned long keys[3]; /* keys defining the pseudo-random sequence */ - const z_crc_t* pcrc_32_tab; - int crypt_header_size; -#endif + z_stream stream; /* zLib stream structure for inflate */ + #ifdef HAVE_BZIP2 + bz_stream bstream; /* bzLib stream structure for bziped */ + #endif + + int stream_initialised; /* 1 is stream is initialised */ + uInt pos_in_buffered_data; /* last written byte in buffered_data */ + + ZPOS64_T 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_centralExtra; + uLong size_centralheader; /* size of the central header for cur file */ + uLong size_centralExtraFree; /* Extra bytes allocated to the centralheader but that are not used */ + uLong flag; /* flag of the file currently writing */ + + int method; /* compression method of file currenty wr.*/ + int raw; /* 1 for directly writing raw data */ + Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/ + uLong dosDate; + uLong crc32; + int encrypt; + int zip64; /* Add ZIP64 extened information in the extra field */ + ZPOS64_T pos_zip64extrainfo; + ZPOS64_T totalCompressedData; + ZPOS64_T totalUncompressedData; + #ifndef NOCRYPT + unsigned long keys[3]; /* keys defining the pseudo-random sequence */ + const z_crc_t* pcrc_32_tab; + int crypt_header_size; + #endif } curfile64_info; typedef struct { - zlib_filefunc64_32_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.*/ - curfile64_info ci; /* info on the file curretly writing */ + zlib_filefunc64_32_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.*/ + curfile64_info ci; /* info on the file curretly writing */ - ZPOS64_T begin_pos; /* position of the beginning of the zipfile */ - ZPOS64_T add_position_when_writting_offset; - ZPOS64_T number_entry; + ZPOS64_T begin_pos; /* position of the beginning of the zipfile */ + ZPOS64_T add_position_when_writting_offset; + ZPOS64_T number_entry; -#ifndef NO_ADDFILEINEXISTINGZIP - char *globalcomment; -#endif + #ifndef NO_ADDFILEINEXISTINGZIP + char *globalcomment; + #endif } zip64_internal; @@ -188,89 +188,84 @@ typedef struct 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; + 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(linkedlist_datablock_internal* ldi) { - while (ldi!=NULL) - { - linkedlist_datablock_internal* ldinext = ldi->next_datablock; - TRYFREE(ldi); - ldi = ldinext; - } + while (ldi != NULL) { + linkedlist_datablock_internal* ldinext = ldi->next_datablock; + TRYFREE(ldi); + ldi = ldinext; + } } local void init_linkedlist(linkedlist_data* ll) { - ll->first_block = ll->last_block = NULL; + ll->first_block = ll->last_block = NULL; } local void free_linkedlist(linkedlist_data* ll) { - free_datablock(ll->first_block); - ll->first_block = ll->last_block = NULL; + free_datablock(ll->first_block); + ll->first_block = ll->last_block = NULL; } local int add_data_in_datablock(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; + 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; } @@ -279,51 +274,46 @@ local int add_data_in_datablock(linkedlist_data* ll, const void* buf, uLong len) #ifndef NO_ADDFILEINEXISTINGZIP /* =========================================================================== - Inputs a long in LSB order to the given file - nbByte == 1, 2 ,4 or 8 (byte, short or long, ZPOS64_T) + Inputs a long in LSB order to the given file + nbByte == 1, 2 ,4 or 8 (byte, short or long, ZPOS64_T) */ local int zip64local_putValue OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T x, int nbByte)); -local int zip64local_putValue (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T x, int nbByte) +local int zip64local_putValue(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T x, int nbByte) { - unsigned char buf[8]; - int n; - for (n = 0; n < nbByte; n++) - { - 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 (ZWRITE64(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte) - return ZIP_ERRNO; - else - return ZIP_OK; + unsigned char buf[8]; + 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 (ZWRITE64(*pzlib_filefunc_def, filestream, buf, nbByte) != (uLong)nbByte) + return ZIP_ERRNO; + else + return ZIP_OK; } local void zip64local_putValue_inmemory OF((void* dest, ZPOS64_T x, int nbByte)); -local void zip64local_putValue_inmemory (void* dest, ZPOS64_T x, int nbByte) +local void zip64local_putValue_inmemory(void* dest, ZPOS64_T x, int nbByte) { - unsigned char* buf=(unsigned char*)dest; - int n; - for (n = 0; n < nbByte; n++) { - 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; - } - } + 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; + } + } } /****************************************************************************/ @@ -331,14 +321,14 @@ local void zip64local_putValue_inmemory (void* dest, ZPOS64_T x, int nbByte) local uLong zip64local_TmzDateToDosDate(const tm_zip* ptm) { - uLong year = (uLong)ptm->tm_year; - if (year>=1980) - year-=1980; - else if (year>=80) - year-=80; - return - (uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) | - ((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour)); + uLong 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)); } @@ -346,126 +336,124 @@ local uLong zip64local_TmzDateToDosDate(const tm_zip* ptm) local int zip64local_getByte OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, int *pi)); -local int zip64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def,voidpf filestream,int* pi) +local int zip64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, int* pi) { - unsigned char c; - int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,&c,1); - if (err==1) - { - *pi = (int)c; - return ZIP_OK; - } - else - { - if (ZERROR64(*pzlib_filefunc_def,filestream)) - return ZIP_ERRNO; - else - return ZIP_EOF; - } + unsigned char c; + int err = (int)ZREAD64(*pzlib_filefunc_def, filestream, &c, 1); + if (err == 1) { + *pi = (int)c; + return ZIP_OK; + } + else { + if (ZERROR64(*pzlib_filefunc_def, filestream)) + return ZIP_ERRNO; + else + return ZIP_EOF; + } } /* =========================================================================== - Reads a long in LSB order from the given gz_stream. Sets + Reads a long in LSB order from the given gz_stream. Sets */ local int zip64local_getShort OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong *pX)); -local int zip64local_getShort (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX) +local int zip64local_getShort(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX) { - uLong x ; - int i = 0; - int err; - - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x = (uLong)i; - - if (err==ZIP_OK) - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<8; - - if (err==ZIP_OK) - *pX = x; - else - *pX = 0; - return err; + uLong x; + int i = 0; + int err; + + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x = (uLong)i; + + if (err == ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x += ((uLong)i) << 8; + + if (err == ZIP_OK) + *pX = x; + else + *pX = 0; + return err; } local int zip64local_getLong OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong *pX)); -local int zip64local_getLong (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX) +local int zip64local_getLong(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX) { - uLong x ; - int i = 0; - int err; - - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x = (uLong)i; - - if (err==ZIP_OK) - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<8; - - if (err==ZIP_OK) - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<16; - - if (err==ZIP_OK) - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((uLong)i)<<24; - - if (err==ZIP_OK) - *pX = x; - else - *pX = 0; - return err; + uLong x; + int i = 0; + int err; + + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x = (uLong)i; + + if (err == ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x += ((uLong)i) << 8; + + if (err == ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x += ((uLong)i) << 16; + + if (err == ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x += ((uLong)i) << 24; + + if (err == ZIP_OK) + *pX = x; + else + *pX = 0; + return err; } local int zip64local_getLong64 OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T *pX)); -local int zip64local_getLong64 (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T *pX) +local int zip64local_getLong64(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T *pX) { - ZPOS64_T x; - int i = 0; - int err; + ZPOS64_T x; + int i = 0; + int err; - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x = (ZPOS64_T)i; + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x = (ZPOS64_T)i; - if (err==ZIP_OK) - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((ZPOS64_T)i)<<8; + if (err == ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x += ((ZPOS64_T)i) << 8; - if (err==ZIP_OK) - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((ZPOS64_T)i)<<16; + if (err == ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x += ((ZPOS64_T)i) << 16; - if (err==ZIP_OK) - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((ZPOS64_T)i)<<24; + if (err == ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x += ((ZPOS64_T)i) << 24; - if (err==ZIP_OK) - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((ZPOS64_T)i)<<32; + if (err == ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x += ((ZPOS64_T)i) << 32; - if (err==ZIP_OK) - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((ZPOS64_T)i)<<40; + if (err == ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x += ((ZPOS64_T)i) << 40; - if (err==ZIP_OK) - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((ZPOS64_T)i)<<48; + if (err == ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x += ((ZPOS64_T)i) << 48; - if (err==ZIP_OK) - err = zip64local_getByte(pzlib_filefunc_def,filestream,&i); - x += ((ZPOS64_T)i)<<56; + if (err == ZIP_OK) + err = zip64local_getByte(pzlib_filefunc_def, filestream, &i); + x += ((ZPOS64_T)i) << 56; - if (err==ZIP_OK) - *pX = x; - else - *pX = 0; + if (err == ZIP_OK) + *pX = x; + else + *pX = 0; - return err; + return err; } #ifndef BUFREADCOMMENT @@ -473,64 +461,62 @@ local int zip64local_getLong64 (const zlib_filefunc64_32_def* pzlib_filefunc_def #endif /* Locate the Central directory of a zipfile (at the end, just before - the global comment) + the global comment) */ local ZPOS64_T zip64local_SearchCentralDir OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream)); local ZPOS64_T zip64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) { - unsigned char* buf; - ZPOS64_T uSizeFile; - ZPOS64_T uBackRead; - ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */ - ZPOS64_T uPosFound=0; - - if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) - return 0; - - - uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream); - - if (uMaxBack>uSizeFile) - uMaxBack = uSizeFile; - - buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); - if (buf==NULL) - return 0; - - uBackRead = 4; - while (uBackRead<uMaxBack) - { - uLong uReadSize; - ZPOS64_T uReadPos ; - int i; - if (uBackRead+BUFREADCOMMENT>uMaxBack) - uBackRead = uMaxBack; - else - uBackRead+=BUFREADCOMMENT; - uReadPos = uSizeFile-uBackRead ; - - uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? - (BUFREADCOMMENT+4) : (uLong)(uSizeFile-uReadPos); - if (ZSEEK64(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) - break; - - if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) - break; - - for (i=(int)uReadSize-3; (i--)>0;) - if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && - ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) - { - uPosFound = uReadPos+i; - break; - } - - if (uPosFound!=0) - break; - } - TRYFREE(buf); - return uPosFound; + unsigned char* buf; + ZPOS64_T uSizeFile; + ZPOS64_T uBackRead; + ZPOS64_T uMaxBack = 0xffff; /* maximum size of global comment */ + ZPOS64_T uPosFound = 0; + + if (ZSEEK64(*pzlib_filefunc_def, filestream, 0, ZLIB_FILEFUNC_SEEK_END) != 0) + return 0; + + + uSizeFile = ZTELL64(*pzlib_filefunc_def, filestream); + + if (uMaxBack > uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char*)ALLOC(BUFREADCOMMENT + 4); + if (buf == NULL) + return 0; + + uBackRead = 4; + while (uBackRead<uMaxBack) { + uLong uReadSize; + ZPOS64_T uReadPos; + int i; + if (uBackRead + BUFREADCOMMENT>uMaxBack) + uBackRead = uMaxBack; + else + uBackRead += BUFREADCOMMENT; + uReadPos = uSizeFile - uBackRead; + + uReadSize = ((BUFREADCOMMENT + 4) < (uSizeFile - uReadPos)) ? + (BUFREADCOMMENT + 4) : (uLong)(uSizeFile - uReadPos); + if (ZSEEK64(*pzlib_filefunc_def, filestream, uReadPos, ZLIB_FILEFUNC_SEEK_SET) != 0) + break; + + if (ZREAD64(*pzlib_filefunc_def, filestream, buf, uReadSize) != uReadSize) + break; + + for (i = (int)uReadSize - 3; (i--) > 0;) + if (((*(buf + i)) == 0x50) && ((*(buf + i + 1)) == 0x4b) && + ((*(buf + i + 2)) == 0x05) && ((*(buf + i + 3)) == 0x06)) { + uPosFound = uReadPos + i; + break; + } + + if (uPosFound != 0) + break; + } + TRYFREE(buf); + return uPosFound; } /* @@ -541,304 +527,293 @@ local ZPOS64_T zip64local_SearchCentralDir64 OF((const zlib_filefunc64_32_def* p local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) { - unsigned char* buf; - ZPOS64_T uSizeFile; - ZPOS64_T uBackRead; - ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */ - ZPOS64_T uPosFound=0; - uLong uL; - ZPOS64_T relativeOffset; - - if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) - return 0; - - uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream); - - if (uMaxBack>uSizeFile) - uMaxBack = uSizeFile; - - buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); - if (buf==NULL) - return 0; - - uBackRead = 4; - while (uBackRead<uMaxBack) - { - uLong uReadSize; - ZPOS64_T uReadPos; - int i; - if (uBackRead+BUFREADCOMMENT>uMaxBack) - uBackRead = uMaxBack; - else - uBackRead+=BUFREADCOMMENT; - uReadPos = uSizeFile-uBackRead ; - - uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? - (BUFREADCOMMENT+4) : (uLong)(uSizeFile-uReadPos); - if (ZSEEK64(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) - break; - - if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) - break; - - for (i=(int)uReadSize-3; (i--)>0;) - { - // Signature "0x07064b50" Zip64 end of central directory locater - if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x06) && ((*(buf+i+3))==0x07)) - { - uPosFound = uReadPos+i; - break; - } - } - - if (uPosFound!=0) - break; - } - - TRYFREE(buf); - if (uPosFound == 0) - return 0; - - /* Zip64 end of central directory locator */ - if (ZSEEK64(*pzlib_filefunc_def,filestream, uPosFound,ZLIB_FILEFUNC_SEEK_SET)!=0) - return 0; - - /* the signature, already checked */ - if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) - return 0; - - /* number of the disk with the start of the zip64 end of central directory */ - if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) - return 0; - if (uL != 0) - return 0; - - /* relative offset of the zip64 end of central directory record */ - if (zip64local_getLong64(pzlib_filefunc_def,filestream,&relativeOffset)!=ZIP_OK) - return 0; - - /* total number of disks */ - if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) - return 0; - if (uL != 1) - return 0; - - /* Goto Zip64 end of central directory record */ - if (ZSEEK64(*pzlib_filefunc_def,filestream, relativeOffset,ZLIB_FILEFUNC_SEEK_SET)!=0) - return 0; - - /* the signature */ - if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK) - return 0; - - if (uL != 0x06064b50) // signature of 'Zip64 end of central directory' - return 0; - - return relativeOffset; + unsigned char* buf; + ZPOS64_T uSizeFile; + ZPOS64_T uBackRead; + ZPOS64_T uMaxBack = 0xffff; /* maximum size of global comment */ + ZPOS64_T uPosFound = 0; + uLong uL; + ZPOS64_T relativeOffset; + + if (ZSEEK64(*pzlib_filefunc_def, filestream, 0, ZLIB_FILEFUNC_SEEK_END) != 0) + return 0; + + uSizeFile = ZTELL64(*pzlib_filefunc_def, filestream); + + if (uMaxBack > uSizeFile) + uMaxBack = uSizeFile; + + buf = (unsigned char*)ALLOC(BUFREADCOMMENT + 4); + if (buf == NULL) + return 0; + + uBackRead = 4; + while (uBackRead<uMaxBack) { + uLong uReadSize; + ZPOS64_T uReadPos; + int i; + if (uBackRead + BUFREADCOMMENT>uMaxBack) + uBackRead = uMaxBack; + else + uBackRead += BUFREADCOMMENT; + uReadPos = uSizeFile - uBackRead; + + uReadSize = ((BUFREADCOMMENT + 4) < (uSizeFile - uReadPos)) ? + (BUFREADCOMMENT + 4) : (uLong)(uSizeFile - uReadPos); + if (ZSEEK64(*pzlib_filefunc_def, filestream, uReadPos, ZLIB_FILEFUNC_SEEK_SET) != 0) + break; + + if (ZREAD64(*pzlib_filefunc_def, filestream, buf, uReadSize) != uReadSize) + break; + + for (i = (int)uReadSize - 3; (i--) > 0;) { + // Signature "0x07064b50" Zip64 end of central directory locater + if (((*(buf + i)) == 0x50) && ((*(buf + i + 1)) == 0x4b) && ((*(buf + i + 2)) == 0x06) && ((*(buf + i + 3)) == 0x07)) { + uPosFound = uReadPos + i; + break; + } + } + + if (uPosFound != 0) + break; + } + + TRYFREE(buf); + if (uPosFound == 0) + return 0; + + /* Zip64 end of central directory locator */ + if (ZSEEK64(*pzlib_filefunc_def, filestream, uPosFound, ZLIB_FILEFUNC_SEEK_SET) != 0) + return 0; + + /* the signature, already checked */ + if (zip64local_getLong(pzlib_filefunc_def, filestream, &uL) != ZIP_OK) + return 0; + + /* number of the disk with the start of the zip64 end of central directory */ + if (zip64local_getLong(pzlib_filefunc_def, filestream, &uL) != ZIP_OK) + return 0; + if (uL != 0) + return 0; + + /* relative offset of the zip64 end of central directory record */ + if (zip64local_getLong64(pzlib_filefunc_def, filestream, &relativeOffset) != ZIP_OK) + return 0; + + /* total number of disks */ + if (zip64local_getLong(pzlib_filefunc_def, filestream, &uL) != ZIP_OK) + return 0; + if (uL != 1) + return 0; + + /* Goto Zip64 end of central directory record */ + if (ZSEEK64(*pzlib_filefunc_def, filestream, relativeOffset, ZLIB_FILEFUNC_SEEK_SET) != 0) + return 0; + + /* the signature */ + if (zip64local_getLong(pzlib_filefunc_def, filestream, &uL) != ZIP_OK) + return 0; + + if (uL != 0x06064b50) // signature of 'Zip64 end of central directory' + return 0; + + return relativeOffset; } int LoadCentralDirectoryRecord(zip64_internal* pziinit) { - int err=ZIP_OK; - ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ - - ZPOS64_T size_central_dir; /* size of the central directory */ - ZPOS64_T offset_central_dir; /* offset of start of central directory */ - ZPOS64_T central_pos; - uLong uL; - - uLong number_disk; /* number of the current dist, used for - spaning ZIP, unsupported, always 0*/ - uLong number_disk_with_CD; /* number the the disk with central dir, used - for spaning ZIP, unsupported, always 0*/ - ZPOS64_T number_entry; - ZPOS64_T number_entry_CD; /* total number of entries in - the central dir - (same than number_entry on nospan) */ - uLong VersionMadeBy; - uLong VersionNeeded; - uLong size_comment; - - int hasZIP64Record = 0; - - // check first if we find a ZIP64 record - central_pos = zip64local_SearchCentralDir64(&pziinit->z_filefunc,pziinit->filestream); - if(central_pos > 0) - { - hasZIP64Record = 1; - } - else if(central_pos == 0) - { - central_pos = zip64local_SearchCentralDir(&pziinit->z_filefunc,pziinit->filestream); - } - -/* disable to allow appending to empty ZIP archive - if (central_pos==0) - err=ZIP_ERRNO; -*/ - - if(hasZIP64Record) - { - ZPOS64_T sizeEndOfCentralDirectory; - if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) - err=ZIP_ERRNO; - - /* the signature, already checked */ - if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&uL)!=ZIP_OK) - err=ZIP_ERRNO; - - /* size of zip64 end of central directory record */ - if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &sizeEndOfCentralDirectory)!=ZIP_OK) - err=ZIP_ERRNO; - - /* version made by */ - if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &VersionMadeBy)!=ZIP_OK) - err=ZIP_ERRNO; - - /* version needed to extract */ - if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &VersionNeeded)!=ZIP_OK) - err=ZIP_ERRNO; - - /* number of this disk */ - if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&number_disk)!=ZIP_OK) - err=ZIP_ERRNO; - - /* number of the disk with the start of the central directory */ - if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&number_disk_with_CD)!=ZIP_OK) - err=ZIP_ERRNO; - - /* total number of entries in the central directory on this disk */ - if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &number_entry)!=ZIP_OK) - err=ZIP_ERRNO; - - /* total number of entries in the central directory */ - if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream,&number_entry_CD)!=ZIP_OK) - err=ZIP_ERRNO; - - if ((number_entry_CD!=number_entry) || (number_disk_with_CD!=0) || (number_disk!=0)) - err=ZIP_BADZIPFILE; - - /* size of the central directory */ - if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream,&size_central_dir)!=ZIP_OK) - err=ZIP_ERRNO; - - /* offset of start of central directory with respect to the - starting disk number */ - if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream,&offset_central_dir)!=ZIP_OK) - err=ZIP_ERRNO; - - // TODO.. - // read the comment from the standard central header. - size_comment = 0; - } - else - { - // Read End of central Directory info - if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) - err=ZIP_ERRNO; - - /* the signature, already checked */ - if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&uL)!=ZIP_OK) - err=ZIP_ERRNO; - - /* number of this disk */ - if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream,&number_disk)!=ZIP_OK) - err=ZIP_ERRNO; - - /* number of the disk with the start of the central directory */ - if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream,&number_disk_with_CD)!=ZIP_OK) - err=ZIP_ERRNO; - - /* total number of entries in the central dir on this disk */ - number_entry = 0; - if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK) - err=ZIP_ERRNO; - else - number_entry = uL; - - /* total number of entries in the central dir */ - number_entry_CD = 0; - if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK) - err=ZIP_ERRNO; - else - number_entry_CD = uL; - - if ((number_entry_CD!=number_entry) || (number_disk_with_CD!=0) || (number_disk!=0)) - err=ZIP_BADZIPFILE; - - /* size of the central directory */ - size_central_dir = 0; - if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK) - err=ZIP_ERRNO; - else - size_central_dir = uL; - - /* offset of start of central directory with respect to the starting disk number */ - offset_central_dir = 0; - if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK) - err=ZIP_ERRNO; - else - offset_central_dir = uL; - - - /* zipfile global comment length */ - if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &size_comment)!=ZIP_OK) - err=ZIP_ERRNO; - } - - if ((central_pos<offset_central_dir+size_central_dir) && - (err==ZIP_OK)) - err=ZIP_BADZIPFILE; - - if (err!=ZIP_OK) - { - ZCLOSE64(pziinit->z_filefunc, pziinit->filestream); - return ZIP_ERRNO; - } - - if (size_comment>0) - { - pziinit->globalcomment = (char*)ALLOC(size_comment+1); - if (pziinit->globalcomment) - { - size_comment = ZREAD64(pziinit->z_filefunc, pziinit->filestream, pziinit->globalcomment,size_comment); - pziinit->globalcomment[size_comment]=0; - } - } - - byte_before_the_zipfile = central_pos - (offset_central_dir+size_central_dir); - pziinit->add_position_when_writting_offset = byte_before_the_zipfile; - - { - ZPOS64_T size_central_dir_to_read = size_central_dir; - size_t buf_size = SIZEDATA_INDATABLOCK; - void* buf_read = (void*)ALLOC(buf_size); - if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, offset_central_dir + byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET) != 0) - err=ZIP_ERRNO; - - while ((size_central_dir_to_read>0) && (err==ZIP_OK)) - { - ZPOS64_T read_this = SIZEDATA_INDATABLOCK; - if (read_this > size_central_dir_to_read) - read_this = size_central_dir_to_read; - - if (ZREAD64(pziinit->z_filefunc, pziinit->filestream,buf_read,(uLong)read_this) != read_this) - err=ZIP_ERRNO; - - if (err==ZIP_OK) - err = add_data_in_datablock(&pziinit->central_dir,buf_read, (uLong)read_this); - - size_central_dir_to_read-=read_this; - } - TRYFREE(buf_read); - } - pziinit->begin_pos = byte_before_the_zipfile; - pziinit->number_entry = number_entry_CD; - - if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET) != 0) - err=ZIP_ERRNO; - - return err; + int err = ZIP_OK; + ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ + + ZPOS64_T size_central_dir; /* size of the central directory */ + ZPOS64_T offset_central_dir; /* offset of start of central directory */ + ZPOS64_T central_pos; + uLong uL; + + uLong number_disk; /* number of the current dist, used for + spaning ZIP, unsupported, always 0*/ + uLong number_disk_with_CD; /* number the the disk with central dir, used + for spaning ZIP, unsupported, always 0*/ + ZPOS64_T number_entry; + ZPOS64_T number_entry_CD; /* total number of entries in + the central dir + (same than number_entry on nospan) */ + uLong VersionMadeBy; + uLong VersionNeeded; + uLong size_comment; + + int hasZIP64Record = 0; + + // check first if we find a ZIP64 record + central_pos = zip64local_SearchCentralDir64(&pziinit->z_filefunc, pziinit->filestream); + if (central_pos > 0) { + hasZIP64Record = 1; + } + else if (central_pos == 0) { + central_pos = zip64local_SearchCentralDir(&pziinit->z_filefunc, pziinit->filestream); + } + + /* disable to allow appending to empty ZIP archive + if (central_pos==0) + err=ZIP_ERRNO; + */ + + if (hasZIP64Record) { + ZPOS64_T sizeEndOfCentralDirectory; + if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) + err = ZIP_ERRNO; + + /* the signature, already checked */ + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &uL) != ZIP_OK) + err = ZIP_ERRNO; + + /* size of zip64 end of central directory record */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &sizeEndOfCentralDirectory) != ZIP_OK) + err = ZIP_ERRNO; + + /* version made by */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &VersionMadeBy) != ZIP_OK) + err = ZIP_ERRNO; + + /* version needed to extract */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &VersionNeeded) != ZIP_OK) + err = ZIP_ERRNO; + + /* number of this disk */ + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &number_disk) != ZIP_OK) + err = ZIP_ERRNO; + + /* number of the disk with the start of the central directory */ + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &number_disk_with_CD) != ZIP_OK) + err = ZIP_ERRNO; + + /* total number of entries in the central directory on this disk */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &number_entry) != ZIP_OK) + err = ZIP_ERRNO; + + /* total number of entries in the central directory */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &number_entry_CD) != ZIP_OK) + err = ZIP_ERRNO; + + if ((number_entry_CD != number_entry) || (number_disk_with_CD != 0) || (number_disk != 0)) + err = ZIP_BADZIPFILE; + + /* size of the central directory */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &size_central_dir) != ZIP_OK) + err = ZIP_ERRNO; + + /* offset of start of central directory with respect to the + starting disk number */ + if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &offset_central_dir) != ZIP_OK) + err = ZIP_ERRNO; + + // TODO.. + // read the comment from the standard central header. + size_comment = 0; + } + else { + // Read End of central Directory info + if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) + err = ZIP_ERRNO; + + /* the signature, already checked */ + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &uL) != ZIP_OK) + err = ZIP_ERRNO; + + /* number of this disk */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &number_disk) != ZIP_OK) + err = ZIP_ERRNO; + + /* number of the disk with the start of the central directory */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &number_disk_with_CD) != ZIP_OK) + err = ZIP_ERRNO; + + /* total number of entries in the central dir on this disk */ + number_entry = 0; + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &uL) != ZIP_OK) + err = ZIP_ERRNO; + else + number_entry = uL; + + /* total number of entries in the central dir */ + number_entry_CD = 0; + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &uL) != ZIP_OK) + err = ZIP_ERRNO; + else + number_entry_CD = uL; + + if ((number_entry_CD != number_entry) || (number_disk_with_CD != 0) || (number_disk != 0)) + err = ZIP_BADZIPFILE; + + /* size of the central directory */ + size_central_dir = 0; + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &uL) != ZIP_OK) + err = ZIP_ERRNO; + else + size_central_dir = uL; + + /* offset of start of central directory with respect to the starting disk number */ + offset_central_dir = 0; + if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &uL) != ZIP_OK) + err = ZIP_ERRNO; + else + offset_central_dir = uL; + + + /* zipfile global comment length */ + if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &size_comment) != ZIP_OK) + err = ZIP_ERRNO; + } + + if ((central_pos < offset_central_dir + size_central_dir) && + (err == ZIP_OK)) + err = ZIP_BADZIPFILE; + + if (err != ZIP_OK) { + ZCLOSE64(pziinit->z_filefunc, pziinit->filestream); + return ZIP_ERRNO; + } + + if (size_comment > 0) { + pziinit->globalcomment = (char*)ALLOC(size_comment + 1); + if (pziinit->globalcomment) { + size_comment = ZREAD64(pziinit->z_filefunc, pziinit->filestream, pziinit->globalcomment, size_comment); + pziinit->globalcomment[size_comment] = 0; + } + } + + byte_before_the_zipfile = central_pos - (offset_central_dir + size_central_dir); + pziinit->add_position_when_writting_offset = byte_before_the_zipfile; + + { + ZPOS64_T size_central_dir_to_read = size_central_dir; + size_t buf_size = SIZEDATA_INDATABLOCK; + void* buf_read = (void*)ALLOC(buf_size); + if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, offset_central_dir + byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET) != 0) + err = ZIP_ERRNO; + + while ((size_central_dir_to_read > 0) && (err == ZIP_OK)) { + ZPOS64_T read_this = SIZEDATA_INDATABLOCK; + if (read_this > size_central_dir_to_read) + read_this = size_central_dir_to_read; + + if (ZREAD64(pziinit->z_filefunc, pziinit->filestream, buf_read, (uLong)read_this) != read_this) + err = ZIP_ERRNO; + + if (err == ZIP_OK) + err = add_data_in_datablock(&pziinit->central_dir, buf_read, (uLong)read_this); + + size_central_dir_to_read -= read_this; + } + TRYFREE(buf_read); + } + pziinit->begin_pos = byte_before_the_zipfile; + pziinit->number_entry = number_entry_CD; + + if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, offset_central_dir + byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET) != 0) + err = ZIP_ERRNO; + + return err; } @@ -846,202 +821,188 @@ int LoadCentralDirectoryRecord(zip64_internal* pziinit) /************************************************************/ -extern zipFile ZEXPORT zipOpen3 (const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_32_def* pzlib_filefunc64_32_def) +extern zipFile ZEXPORT zipOpen3(const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_32_def* pzlib_filefunc64_32_def) { - zip64_internal ziinit; - zip64_internal* zi; - int err=ZIP_OK; - - ziinit.z_filefunc.zseek32_file = NULL; - ziinit.z_filefunc.ztell32_file = NULL; - if (pzlib_filefunc64_32_def==NULL) - fill_fopen64_filefunc(&ziinit.z_filefunc.zfile_func64); - else - ziinit.z_filefunc = *pzlib_filefunc64_32_def; - - ziinit.filestream = ZOPEN64(ziinit.z_filefunc, - 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; - - if (append == APPEND_STATUS_CREATEAFTER) - ZSEEK64(ziinit.z_filefunc,ziinit.filestream,0,SEEK_END); - - ziinit.begin_pos = ZTELL64(ziinit.z_filefunc,ziinit.filestream); - ziinit.in_opened_file_inzip = 0; - ziinit.ci.stream_initialised = 0; - ziinit.number_entry = 0; - ziinit.add_position_when_writting_offset = 0; - init_linkedlist(&(ziinit.central_dir)); - - - - zi = (zip64_internal*)ALLOC(sizeof(zip64_internal)); - if (zi==NULL) - { - ZCLOSE64(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) - { - // Read and Cache Central Directory Records - err = LoadCentralDirectoryRecord(&ziinit); - } - - 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; - } + zip64_internal ziinit; + zip64_internal* zi; + int err = ZIP_OK; + + ziinit.z_filefunc.zseek32_file = NULL; + ziinit.z_filefunc.ztell32_file = NULL; + if (pzlib_filefunc64_32_def == NULL) + fill_fopen64_filefunc(&ziinit.z_filefunc.zfile_func64); + else + ziinit.z_filefunc = *pzlib_filefunc64_32_def; + + ziinit.filestream = ZOPEN64(ziinit.z_filefunc, + 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; + + if (append == APPEND_STATUS_CREATEAFTER) + ZSEEK64(ziinit.z_filefunc, ziinit.filestream, 0, SEEK_END); + + ziinit.begin_pos = ZTELL64(ziinit.z_filefunc, ziinit.filestream); + ziinit.in_opened_file_inzip = 0; + ziinit.ci.stream_initialised = 0; + ziinit.number_entry = 0; + ziinit.add_position_when_writting_offset = 0; + init_linkedlist(&(ziinit.central_dir)); + + + + zi = (zip64_internal*)ALLOC(sizeof(zip64_internal)); + if (zi == NULL) { + ZCLOSE64(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) { + // Read and Cache Central Directory Records + err = LoadCentralDirectoryRecord(&ziinit); + } + + 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 zipOpen2 (const char *pathname, int append, zipcharpc* globalcomment, zlib_filefunc_def* pzlib_filefunc32_def) +extern zipFile ZEXPORT zipOpen2(const char *pathname, int append, zipcharpc* globalcomment, zlib_filefunc_def* pzlib_filefunc32_def) { - if (pzlib_filefunc32_def != NULL) - { - zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; - fill_zlib_filefunc64_32_def_from_filefunc32(&zlib_filefunc64_32_def_fill,pzlib_filefunc32_def); - return zipOpen3(pathname, append, globalcomment, &zlib_filefunc64_32_def_fill); - } - else - return zipOpen3(pathname, append, globalcomment, NULL); + if (pzlib_filefunc32_def != NULL) { + zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; + fill_zlib_filefunc64_32_def_from_filefunc32(&zlib_filefunc64_32_def_fill, pzlib_filefunc32_def); + return zipOpen3(pathname, append, globalcomment, &zlib_filefunc64_32_def_fill); + } + else + return zipOpen3(pathname, append, globalcomment, NULL); } -extern zipFile ZEXPORT zipOpen2_64 (const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_def* pzlib_filefunc_def) +extern zipFile ZEXPORT zipOpen2_64(const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_def* pzlib_filefunc_def) { - if (pzlib_filefunc_def != NULL) - { - zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; - zlib_filefunc64_32_def_fill.zfile_func64 = *pzlib_filefunc_def; - zlib_filefunc64_32_def_fill.ztell32_file = NULL; - zlib_filefunc64_32_def_fill.zseek32_file = NULL; - return zipOpen3(pathname, append, globalcomment, &zlib_filefunc64_32_def_fill); - } - else - return zipOpen3(pathname, append, globalcomment, NULL); + if (pzlib_filefunc_def != NULL) { + zlib_filefunc64_32_def zlib_filefunc64_32_def_fill; + zlib_filefunc64_32_def_fill.zfile_func64 = *pzlib_filefunc_def; + zlib_filefunc64_32_def_fill.ztell32_file = NULL; + zlib_filefunc64_32_def_fill.zseek32_file = NULL; + return zipOpen3(pathname, append, globalcomment, &zlib_filefunc64_32_def_fill); + } + else + return zipOpen3(pathname, append, globalcomment, NULL); } -extern zipFile ZEXPORT zipOpen (const char* pathname, int append) +extern zipFile ZEXPORT zipOpen(const char* pathname, int append) { - return zipOpen3((const void*)pathname,append,NULL,NULL); + return zipOpen3((const void*)pathname, append, NULL, NULL); } -extern zipFile ZEXPORT zipOpen64 (const void* pathname, int append) +extern zipFile ZEXPORT zipOpen64(const void* pathname, int append) { - return zipOpen3(pathname,append,NULL,NULL); + return zipOpen3(pathname, append, NULL, NULL); } int Write_LocalFileHeader(zip64_internal* zi, const char* filename, uInt size_extrafield_local, const void* extrafield_local) { - /* write the local header */ - int err; - uInt size_filename = (uInt)strlen(filename); - uInt size_extrafield = size_extrafield_local; - - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC, 4); - - if (err==ZIP_OK) - { - if(zi->ci.zip64) - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)45,2);/* version needed to extract */ - else - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */ - } - - if (err==ZIP_OK) - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2); - - if (err==ZIP_OK) - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2); - - if (err==ZIP_OK) - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4); - - // CRC / Compressed size / Uncompressed size will be filled in later and rewritten later - if (err==ZIP_OK) - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */ - if (err==ZIP_OK) - { - if(zi->ci.zip64) - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xFFFFFFFF,4); /* compressed size, unknown */ - else - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */ - } - if (err==ZIP_OK) - { - if(zi->ci.zip64) - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xFFFFFFFF,4); /* uncompressed size, unknown */ - else - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */ - } - - if (err==ZIP_OK) - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2); - - if(zi->ci.zip64) - { - size_extrafield += 20; - } - - if (err==ZIP_OK) - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield,2); - - if ((err==ZIP_OK) && (size_filename > 0)) - { - if (ZWRITE64(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename) - err = ZIP_ERRNO; - } - - if ((err==ZIP_OK) && (size_extrafield_local > 0)) - { - if (ZWRITE64(zi->z_filefunc, zi->filestream, extrafield_local, size_extrafield_local) != size_extrafield_local) - err = ZIP_ERRNO; - } - - - if ((err==ZIP_OK) && (zi->ci.zip64)) - { - // write the Zip64 extended info - short HeaderID = 1; - short DataSize = 16; - ZPOS64_T CompressedSize = 0; - ZPOS64_T UncompressedSize = 0; - - // Remember position of Zip64 extended info for the local file header. (needed when we update size after done with file) - zi->ci.pos_zip64extrainfo = ZTELL64(zi->z_filefunc,zi->filestream); - - err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (short)HeaderID,2); - err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (short)DataSize,2); - - err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)UncompressedSize,8); - err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)CompressedSize,8); - } - - return err; + /* write the local header */ + int err; + uInt size_filename = (uInt)strlen(filename); + uInt size_extrafield = size_extrafield_local; + + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)LOCALHEADERMAGIC, 4); + + if (err == ZIP_OK) { + if (zi->ci.zip64) + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)45, 2);/* version needed to extract */ + else + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)20, 2);/* version needed to extract */ + } + + if (err == ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)zi->ci.flag, 2); + + if (err == ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)zi->ci.method, 2); + + if (err == ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)zi->ci.dosDate, 4); + + // CRC / Compressed size / Uncompressed size will be filled in later and rewritten later + if (err == ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0, 4); /* crc 32, unknown */ + if (err == ZIP_OK) { + if (zi->ci.zip64) + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0xFFFFFFFF, 4); /* compressed size, unknown */ + else + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0, 4); /* compressed size, unknown */ + } + if (err == ZIP_OK) { + if (zi->ci.zip64) + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0xFFFFFFFF, 4); /* uncompressed size, unknown */ + else + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0, 4); /* uncompressed size, unknown */ + } + + if (err == ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)size_filename, 2); + + if (zi->ci.zip64) { + size_extrafield += 20; + } + + if (err == ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)size_extrafield, 2); + + if ((err == ZIP_OK) && (size_filename > 0)) { + if (ZWRITE64(zi->z_filefunc, zi->filestream, filename, size_filename) != size_filename) + err = ZIP_ERRNO; + } + + if ((err == ZIP_OK) && (size_extrafield_local > 0)) { + if (ZWRITE64(zi->z_filefunc, zi->filestream, extrafield_local, size_extrafield_local) != size_extrafield_local) + err = ZIP_ERRNO; + } + + + if ((err == ZIP_OK) && (zi->ci.zip64)) { + // write the Zip64 extended info + short HeaderID = 1; + short DataSize = 16; + ZPOS64_T CompressedSize = 0; + ZPOS64_T UncompressedSize = 0; + + // Remember position of Zip64 extended info for the local file header. (needed when we update size after done with file) + zi->ci.pos_zip64extrainfo = ZTELL64(zi->z_filefunc, zi->filestream); + + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (short)HeaderID, 2); + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (short)DataSize, 2); + + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)UncompressedSize, 8); + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)CompressedSize, 8); + } + + return err; } /* @@ -1052,956 +1013,910 @@ int Write_LocalFileHeader(zip64_internal* zi, const char* filename, uInt size_ex It is not done here because then we need to realloc a new buffer since parameters are 'const' and I want to minimize unnecessary allocations. */ -extern int ZEXPORT zipOpenNewFileInZip4_64 (zipFile file, const char* filename, const zip_fileinfo* zipfi, - const void* extrafield_local, uInt size_extrafield_local, - const void* extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level, int raw, - int windowBits,int memLevel, int strategy, - const char* password, uLong crcForCrypting, - uLong versionMadeBy, uLong flagBase, int zip64) +extern int ZEXPORT zipOpenNewFileInZip4_64(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits, int memLevel, int strategy, + const char* password, uLong crcForCrypting, + uLong versionMadeBy, uLong flagBase, int zip64) { - zip64_internal* zi; - uInt size_filename; - uInt size_comment; - uInt i; - int err = ZIP_OK; - -# ifdef NOCRYPT - (crcForCrypting); - if (password != NULL) - return ZIP_PARAMERROR; -# endif - - if (file == NULL) - return ZIP_PARAMERROR; - -#ifdef HAVE_BZIP2 - if ((method!=0) && (method!=Z_DEFLATED) && (method!=Z_BZIP2ED)) - return ZIP_PARAMERROR; -#else - if ((method!=0) && (method!=Z_DEFLATED)) - return ZIP_PARAMERROR; -#endif - - zi = (zip64_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 = zip64local_TmzDateToDosDate(&zipfi->tmz_date); - } - - zi->ci.flag = flagBase; - 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 = ZTELL64(zi->z_filefunc,zi->filestream); - - zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename + size_extrafield_global + size_comment; - zi->ci.size_centralExtraFree = 32; // Extra space we have reserved in case we need to add ZIP64 extra info data - - zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader + zi->ci.size_centralExtraFree); - - zi->ci.size_centralExtra = size_extrafield_global; - zip64local_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4); - /* version info */ - zip64local_putValue_inmemory(zi->ci.central_header+4,(uLong)versionMadeBy,2); - zip64local_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2); - zip64local_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2); - zip64local_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2); - zip64local_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4); - zip64local_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/ - zip64local_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/ - zip64local_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/ - zip64local_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2); - zip64local_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2); - zip64local_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2); - zip64local_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/ - - if (zipfi==NULL) - zip64local_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2); - else - zip64local_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2); - - if (zipfi==NULL) - zip64local_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4); - else - zip64local_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4); - - if(zi->ci.pos_local_header >= 0xffffffff) - zip64local_putValue_inmemory(zi->ci.central_header+42,(uLong)0xffffffff,4); - else - zip64local_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header - zi->add_position_when_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; - - zi->ci.zip64 = zip64; - zi->ci.totalCompressedData = 0; - zi->ci.totalUncompressedData = 0; - zi->ci.pos_zip64extrainfo = 0; - - err = Write_LocalFileHeader(zi, filename, size_extrafield_local, extrafield_local); - -#ifdef HAVE_BZIP2 - zi->ci.bstream.avail_in = (uInt)0; - zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE; - zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; - zi->ci.bstream.total_in_hi32 = 0; - zi->ci.bstream.total_in_lo32 = 0; - zi->ci.bstream.total_out_hi32 = 0; - zi->ci.bstream.total_out_lo32 = 0; -#endif - - zi->ci.stream.avail_in = (uInt)0; - zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; - zi->ci.stream.next_out = zi->ci.buffered_data; - zi->ci.stream.total_in = 0; - zi->ci.stream.total_out = 0; - zi->ci.stream.data_type = Z_BINARY; - -#ifdef HAVE_BZIP2 - if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED || zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) -#else - if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) -#endif - { - if(zi->ci.method == Z_DEFLATED) - { - zi->ci.stream.zalloc = (alloc_func)0; - zi->ci.stream.zfree = (free_func)0; - zi->ci.stream.opaque = (voidpf)0; - - if (windowBits>0) - windowBits = -windowBits; - - err = deflateInit2(&zi->ci.stream, level, Z_DEFLATED, windowBits, memLevel, strategy); - - if (err==Z_OK) - zi->ci.stream_initialised = Z_DEFLATED; - } - else if(zi->ci.method == Z_BZIP2ED) - { -#ifdef HAVE_BZIP2 - // Init BZip stuff here - zi->ci.bstream.bzalloc = 0; - zi->ci.bstream.bzfree = 0; - zi->ci.bstream.opaque = (voidpf)0; - - err = BZ2_bzCompressInit(&zi->ci.bstream, level, 0,35); - if(err == BZ_OK) - zi->ci.stream_initialised = Z_BZIP2ED; -#endif - } - - } - -# 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 (ZWRITE64(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead) - err = ZIP_ERRNO; - } -# endif - - if (err==Z_OK) - zi->in_opened_file_inzip = 1; - return err; + zip64_internal* zi; + uInt size_filename; + uInt size_comment; + uInt i; + int err = ZIP_OK; + + # ifdef NOCRYPT + (crcForCrypting); + if (password != NULL) + return ZIP_PARAMERROR; + # endif + + if (file == NULL) + return ZIP_PARAMERROR; + + #ifdef HAVE_BZIP2 + if ((method != 0) && (method != Z_DEFLATED) && (method != Z_BZIP2ED)) + return ZIP_PARAMERROR; + #else + if ((method != 0) && (method != Z_DEFLATED)) + return ZIP_PARAMERROR; + #endif + + zi = (zip64_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 = zip64local_TmzDateToDosDate(&zipfi->tmz_date); + } + + zi->ci.flag = flagBase; + 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 = ZTELL64(zi->z_filefunc, zi->filestream); + + zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename + size_extrafield_global + size_comment; + zi->ci.size_centralExtraFree = 32; // Extra space we have reserved in case we need to add ZIP64 extra info data + + zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader + zi->ci.size_centralExtraFree); + + zi->ci.size_centralExtra = size_extrafield_global; + zip64local_putValue_inmemory(zi->ci.central_header, (uLong)CENTRALHEADERMAGIC, 4); + /* version info */ + zip64local_putValue_inmemory(zi->ci.central_header + 4, (uLong)versionMadeBy, 2); + zip64local_putValue_inmemory(zi->ci.central_header + 6, (uLong)20, 2); + zip64local_putValue_inmemory(zi->ci.central_header + 8, (uLong)zi->ci.flag, 2); + zip64local_putValue_inmemory(zi->ci.central_header + 10, (uLong)zi->ci.method, 2); + zip64local_putValue_inmemory(zi->ci.central_header + 12, (uLong)zi->ci.dosDate, 4); + zip64local_putValue_inmemory(zi->ci.central_header + 16, (uLong)0, 4); /*crc*/ + zip64local_putValue_inmemory(zi->ci.central_header + 20, (uLong)0, 4); /*compr size*/ + zip64local_putValue_inmemory(zi->ci.central_header + 24, (uLong)0, 4); /*uncompr size*/ + zip64local_putValue_inmemory(zi->ci.central_header + 28, (uLong)size_filename, 2); + zip64local_putValue_inmemory(zi->ci.central_header + 30, (uLong)size_extrafield_global, 2); + zip64local_putValue_inmemory(zi->ci.central_header + 32, (uLong)size_comment, 2); + zip64local_putValue_inmemory(zi->ci.central_header + 34, (uLong)0, 2); /*disk nm start*/ + + if (zipfi == NULL) + zip64local_putValue_inmemory(zi->ci.central_header + 36, (uLong)0, 2); + else + zip64local_putValue_inmemory(zi->ci.central_header + 36, (uLong)zipfi->internal_fa, 2); + + if (zipfi == NULL) + zip64local_putValue_inmemory(zi->ci.central_header + 38, (uLong)0, 4); + else + zip64local_putValue_inmemory(zi->ci.central_header + 38, (uLong)zipfi->external_fa, 4); + + if (zi->ci.pos_local_header >= 0xffffffff) + zip64local_putValue_inmemory(zi->ci.central_header + 42, (uLong)0xffffffff, 4); + else + zip64local_putValue_inmemory(zi->ci.central_header + 42, (uLong)zi->ci.pos_local_header - zi->add_position_when_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; + + zi->ci.zip64 = zip64; + zi->ci.totalCompressedData = 0; + zi->ci.totalUncompressedData = 0; + zi->ci.pos_zip64extrainfo = 0; + + err = Write_LocalFileHeader(zi, filename, size_extrafield_local, extrafield_local); + + #ifdef HAVE_BZIP2 + zi->ci.bstream.avail_in = (uInt)0; + zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; + zi->ci.bstream.total_in_hi32 = 0; + zi->ci.bstream.total_in_lo32 = 0; + zi->ci.bstream.total_out_hi32 = 0; + zi->ci.bstream.total_out_lo32 = 0; + #endif + + zi->ci.stream.avail_in = (uInt)0; + zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.stream.next_out = zi->ci.buffered_data; + zi->ci.stream.total_in = 0; + zi->ci.stream.total_out = 0; + zi->ci.stream.data_type = Z_BINARY; + + #ifdef HAVE_BZIP2 + if ((err == ZIP_OK) && (zi->ci.method == Z_DEFLATED || zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) + #else + if ((err == ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) + #endif + { + if (zi->ci.method == Z_DEFLATED) { + zi->ci.stream.zalloc = (alloc_func)0; + zi->ci.stream.zfree = (free_func)0; + zi->ci.stream.opaque = (voidpf)0; + + if (windowBits > 0) + windowBits = -windowBits; + + err = deflateInit2(&zi->ci.stream, level, Z_DEFLATED, windowBits, memLevel, strategy); + + if (err == Z_OK) + zi->ci.stream_initialised = Z_DEFLATED; + } + else if (zi->ci.method == Z_BZIP2ED) { + #ifdef HAVE_BZIP2 + // Init BZip stuff here + zi->ci.bstream.bzalloc = 0; + zi->ci.bstream.bzfree = 0; + zi->ci.bstream.opaque = (voidpf)0; + + err = BZ2_bzCompressInit(&zi->ci.bstream, level, 0, 35); + if (err == BZ_OK) + zi->ci.stream_initialised = Z_BZIP2ED; + #endif + } + + } + + # 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 (ZWRITE64(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 zipOpenNewFileInZip4 (zipFile file, const char* filename, const zip_fileinfo* zipfi, - const void* extrafield_local, uInt size_extrafield_local, - const void* extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level, int raw, - int windowBits,int memLevel, int strategy, - const char* password, uLong crcForCrypting, - uLong versionMadeBy, uLong flagBase) +extern int ZEXPORT zipOpenNewFileInZip4(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits, int memLevel, int strategy, + const char* password, uLong crcForCrypting, + uLong versionMadeBy, uLong flagBase) { - return zipOpenNewFileInZip4_64 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - windowBits, memLevel, strategy, - password, crcForCrypting, versionMadeBy, flagBase, 0); + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting, versionMadeBy, flagBase, 0); } -extern int ZEXPORT zipOpenNewFileInZip3 (zipFile file, const char* filename, const zip_fileinfo* zipfi, - const void* extrafield_local, uInt size_extrafield_local, - const void* extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level, int raw, - int windowBits,int memLevel, int strategy, - const char* password, uLong crcForCrypting) +extern int ZEXPORT zipOpenNewFileInZip3(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits, int memLevel, int strategy, + const char* password, uLong crcForCrypting) { - return zipOpenNewFileInZip4_64 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - windowBits, memLevel, strategy, - password, crcForCrypting, VERSIONMADEBY, 0, 0); + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting, VERSIONMADEBY, 0, 0); } extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file, const char* filename, const zip_fileinfo* zipfi, - const void* extrafield_local, uInt size_extrafield_local, - const void* extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level, int raw, - int windowBits,int memLevel, int strategy, - const char* password, uLong crcForCrypting, int zip64) + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits, int memLevel, int strategy, + const char* password, uLong crcForCrypting, int zip64) { - return zipOpenNewFileInZip4_64 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - windowBits, memLevel, strategy, - password, crcForCrypting, VERSIONMADEBY, 0, zip64); + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting, VERSIONMADEBY, 0, zip64); } extern int ZEXPORT zipOpenNewFileInZip2(zipFile file, const char* filename, const zip_fileinfo* zipfi, - const void* extrafield_local, uInt size_extrafield_local, - const void* extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level, int raw) + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw) { - return zipOpenNewFileInZip4_64 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, - NULL, 0, VERSIONMADEBY, 0, 0); + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, 0); } extern int ZEXPORT zipOpenNewFileInZip2_64(zipFile file, const char* filename, const zip_fileinfo* zipfi, - const void* extrafield_local, uInt size_extrafield_local, - const void* extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level, int raw, int zip64) + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, int zip64) { - return zipOpenNewFileInZip4_64 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, - NULL, 0, VERSIONMADEBY, 0, zip64); + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, zip64); } -extern int ZEXPORT zipOpenNewFileInZip64 (zipFile file, const char* filename, const zip_fileinfo* zipfi, - const void* extrafield_local, uInt size_extrafield_local, - const void*extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level, int zip64) +extern int ZEXPORT zipOpenNewFileInZip64(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void*extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int zip64) { - return zipOpenNewFileInZip4_64 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, 0, - -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, - NULL, 0, VERSIONMADEBY, 0, zip64); + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, 0, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, zip64); } -extern int ZEXPORT zipOpenNewFileInZip (zipFile file, const char* filename, const zip_fileinfo* zipfi, - const void* extrafield_local, uInt size_extrafield_local, - const void*extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level) +extern int ZEXPORT zipOpenNewFileInZip(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void*extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level) { - return zipOpenNewFileInZip4_64 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, 0, - -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, - NULL, 0, VERSIONMADEBY, 0, 0); + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, 0, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, 0); } local int zip64FlushWriteBuffer(zip64_internal* zi) { - int err=ZIP_OK; - - if (zi->ci.encrypt != 0) - { -#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 (ZWRITE64(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data) != zi->ci.pos_in_buffered_data) - err = ZIP_ERRNO; - - zi->ci.totalCompressedData += zi->ci.pos_in_buffered_data; - -#ifdef HAVE_BZIP2 - if(zi->ci.method == Z_BZIP2ED) - { - zi->ci.totalUncompressedData += zi->ci.bstream.total_in_lo32; - zi->ci.bstream.total_in_lo32 = 0; - zi->ci.bstream.total_in_hi32 = 0; - } - else -#endif - { - zi->ci.totalUncompressedData += zi->ci.stream.total_in; - zi->ci.stream.total_in = 0; - } - - - zi->ci.pos_in_buffered_data = 0; - - return err; + 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 (ZWRITE64(zi->z_filefunc, zi->filestream, zi->ci.buffered_data, zi->ci.pos_in_buffered_data) != zi->ci.pos_in_buffered_data) + err = ZIP_ERRNO; + + zi->ci.totalCompressedData += zi->ci.pos_in_buffered_data; + + #ifdef HAVE_BZIP2 + if (zi->ci.method == Z_BZIP2ED) { + zi->ci.totalUncompressedData += zi->ci.bstream.total_in_lo32; + zi->ci.bstream.total_in_lo32 = 0; + zi->ci.bstream.total_in_hi32 = 0; + } + else + #endif + { + zi->ci.totalUncompressedData += zi->ci.stream.total_in; + zi->ci.stream.total_in = 0; + } + + + zi->ci.pos_in_buffered_data = 0; + + return err; } -extern int ZEXPORT zipWriteInFileInZip (zipFile file,const void* buf,unsigned int len) +extern int ZEXPORT zipWriteInFileInZip(zipFile file, const void* buf, unsigned int len) { - zip64_internal* zi; - int err=ZIP_OK; - - if (file == NULL) - return ZIP_PARAMERROR; - zi = (zip64_internal*)file; - - if (zi->in_opened_file_inzip == 0) - return ZIP_PARAMERROR; - - zi->ci.crc32 = crc32(zi->ci.crc32,buf,(uInt)len); - -#ifdef HAVE_BZIP2 - if(zi->ci.method == Z_BZIP2ED && (!zi->ci.raw)) - { - zi->ci.bstream.next_in = (void*)buf; - zi->ci.bstream.avail_in = len; - err = BZ_RUN_OK; - - while ((err==BZ_RUN_OK) && (zi->ci.bstream.avail_in>0)) - { - if (zi->ci.bstream.avail_out == 0) - { - if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) - err = ZIP_ERRNO; - zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE; - zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; - } - - - if(err != BZ_RUN_OK) - break; - - if ((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) - { - uLong uTotalOutBefore_lo = zi->ci.bstream.total_out_lo32; -// uLong uTotalOutBefore_hi = zi->ci.bstream.total_out_hi32; - err=BZ2_bzCompress(&zi->ci.bstream, BZ_RUN); - - zi->ci.pos_in_buffered_data += (uInt)(zi->ci.bstream.total_out_lo32 - uTotalOutBefore_lo) ; - } - } - - if(err == BZ_RUN_OK) - err = ZIP_OK; - } - else -#endif - { - zi->ci.stream.next_in = (Bytef*)buf; - zi->ci.stream.avail_in = len; - - while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0)) - { - if (zi->ci.stream.avail_out == 0) - { - if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) - err = ZIP_ERRNO; - zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; - zi->ci.stream.next_out = zi->ci.buffered_data; - } - - - if(err != ZIP_OK) - break; - - if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) - { - uLong uTotalOutBefore = zi->ci.stream.total_out; - err=deflate(&zi->ci.stream, Z_NO_FLUSH); - if(uTotalOutBefore > zi->ci.stream.total_out) - { - int bBreak = 0; - bBreak++; - } - - zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; - } - else - { - uInt copy_this,i; - if (zi->ci.stream.avail_in < zi->ci.stream.avail_out) - copy_this = zi->ci.stream.avail_in; - else - copy_this = zi->ci.stream.avail_out; - - for (i = 0; i < copy_this; i++) - *(((char*)zi->ci.stream.next_out)+i) = - *(((const char*)zi->ci.stream.next_in)+i); - { - zi->ci.stream.avail_in -= copy_this; - zi->ci.stream.avail_out-= copy_this; - zi->ci.stream.next_in+= copy_this; - zi->ci.stream.next_out+= copy_this; - zi->ci.stream.total_in+= copy_this; - zi->ci.stream.total_out+= copy_this; - zi->ci.pos_in_buffered_data += copy_this; - } - } - }// while(...) - } - - return err; + zip64_internal* zi; + int err = ZIP_OK; + + if (file == NULL) + return ZIP_PARAMERROR; + zi = (zip64_internal*)file; + + if (zi->in_opened_file_inzip == 0) + return ZIP_PARAMERROR; + + zi->ci.crc32 = crc32(zi->ci.crc32, buf, (uInt)len); + + #ifdef HAVE_BZIP2 + if (zi->ci.method == Z_BZIP2ED && (!zi->ci.raw)) { + zi->ci.bstream.next_in = (void*)buf; + zi->ci.bstream.avail_in = len; + err = BZ_RUN_OK; + + while ((err == BZ_RUN_OK) && (zi->ci.bstream.avail_in > 0)) { + if (zi->ci.bstream.avail_out == 0) { + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; + } + + + if (err != BZ_RUN_OK) + break; + + if ((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) { + uLong uTotalOutBefore_lo = zi->ci.bstream.total_out_lo32; + // uLong uTotalOutBefore_hi = zi->ci.bstream.total_out_hi32; + err = BZ2_bzCompress(&zi->ci.bstream, BZ_RUN); + + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.bstream.total_out_lo32 - uTotalOutBefore_lo); + } + } + + if (err == BZ_RUN_OK) + err = ZIP_OK; + } + else + #endif + { + zi->ci.stream.next_in = (Bytef*)buf; + zi->ci.stream.avail_in = len; + + while ((err == ZIP_OK) && (zi->ci.stream.avail_in > 0)) { + if (zi->ci.stream.avail_out == 0) { + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.stream.next_out = zi->ci.buffered_data; + } + + + if (err != ZIP_OK) + break; + + if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) { + uLong uTotalOutBefore = zi->ci.stream.total_out; + err = deflate(&zi->ci.stream, Z_NO_FLUSH); + if (uTotalOutBefore > zi->ci.stream.total_out) { + int bBreak = 0; + bBreak++; + } + + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore); + } + else { + uInt copy_this, i; + if (zi->ci.stream.avail_in < zi->ci.stream.avail_out) + copy_this = zi->ci.stream.avail_in; + else + copy_this = zi->ci.stream.avail_out; + + for (i = 0; i < copy_this; i++) + *(((char*)zi->ci.stream.next_out) + i) = + *(((const char*)zi->ci.stream.next_in) + i); + { + zi->ci.stream.avail_in -= copy_this; + zi->ci.stream.avail_out -= copy_this; + zi->ci.stream.next_in += copy_this; + zi->ci.stream.next_out += copy_this; + zi->ci.stream.total_in += copy_this; + zi->ci.stream.total_out += copy_this; + zi->ci.pos_in_buffered_data += copy_this; + } + } + }// while(...) + } + + return err; } -extern int ZEXPORT zipCloseFileInZipRaw (zipFile file, uLong uncompressed_size, uLong crc32) +extern int ZEXPORT zipCloseFileInZipRaw(zipFile file, uLong uncompressed_size, uLong crc32) { - return zipCloseFileInZipRaw64 (file, uncompressed_size, crc32); + return zipCloseFileInZipRaw64(file, uncompressed_size, crc32); } -extern int ZEXPORT zipCloseFileInZipRaw64 (zipFile file, ZPOS64_T uncompressed_size, uLong crc32) +extern int ZEXPORT zipCloseFileInZipRaw64(zipFile file, ZPOS64_T uncompressed_size, uLong crc32) { - zip64_internal* zi; - ZPOS64_T compressed_size; - uLong invalidValue = 0xffffffff; - short datasize = 0; - int err=ZIP_OK; - - if (file == NULL) - return ZIP_PARAMERROR; - zi = (zip64_internal*)file; - - if (zi->in_opened_file_inzip == 0) - return ZIP_PARAMERROR; - zi->ci.stream.avail_in = 0; - - if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) - { - while (err==ZIP_OK) - { - uLong uTotalOutBefore; - if (zi->ci.stream.avail_out == 0) - { - if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) - err = ZIP_ERRNO; - zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; - zi->ci.stream.next_out = zi->ci.buffered_data; - } - uTotalOutBefore = zi->ci.stream.total_out; - err=deflate(&zi->ci.stream, Z_FINISH); - zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; - } - } - else if ((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) - { -#ifdef HAVE_BZIP2 - err = BZ_FINISH_OK; - while (err==BZ_FINISH_OK) - { - uLong uTotalOutBefore; - if (zi->ci.bstream.avail_out == 0) - { - if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) - err = ZIP_ERRNO; - zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE; - zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; - } - uTotalOutBefore = zi->ci.bstream.total_out_lo32; - err=BZ2_bzCompress(&zi->ci.bstream, BZ_FINISH); - if(err == BZ_STREAM_END) - err = Z_STREAM_END; - - zi->ci.pos_in_buffered_data += (uInt)(zi->ci.bstream.total_out_lo32 - uTotalOutBefore); - } - - if(err == BZ_FINISH_OK) - err = ZIP_OK; -#endif - } - - if (err==Z_STREAM_END) - err=ZIP_OK; /* this is normal */ - - if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK)) - { - if (zip64FlushWriteBuffer(zi)==ZIP_ERRNO) - err = ZIP_ERRNO; - } - - if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) - { - int tmp_err = deflateEnd(&zi->ci.stream); - if (err == ZIP_OK) - err = tmp_err; - zi->ci.stream_initialised = 0; - } -#ifdef HAVE_BZIP2 - else if((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) - { - int tmperr = BZ2_bzCompressEnd(&zi->ci.bstream); - if (err==ZIP_OK) - err = tmperr; - zi->ci.stream_initialised = 0; - } -#endif + zip64_internal* zi; + ZPOS64_T compressed_size; + uLong invalidValue = 0xffffffff; + short datasize = 0; + int err = ZIP_OK; + + if (file == NULL) + return ZIP_PARAMERROR; + zi = (zip64_internal*)file; + + if (zi->in_opened_file_inzip == 0) + return ZIP_PARAMERROR; + zi->ci.stream.avail_in = 0; + + if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) { + while (err == ZIP_OK) { + uLong uTotalOutBefore; + if (zi->ci.stream.avail_out == 0) { + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.stream.next_out = zi->ci.buffered_data; + } + uTotalOutBefore = zi->ci.stream.total_out; + err = deflate(&zi->ci.stream, Z_FINISH); + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore); + } + } + else if ((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) { + #ifdef HAVE_BZIP2 + err = BZ_FINISH_OK; + while (err == BZ_FINISH_OK) { + uLong uTotalOutBefore; + if (zi->ci.bstream.avail_out == 0) { + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE; + zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; + } + uTotalOutBefore = zi->ci.bstream.total_out_lo32; + err = BZ2_bzCompress(&zi->ci.bstream, BZ_FINISH); + if (err == BZ_STREAM_END) + err = Z_STREAM_END; + + zi->ci.pos_in_buffered_data += (uInt)(zi->ci.bstream.total_out_lo32 - uTotalOutBefore); + } + + if (err == BZ_FINISH_OK) + err = ZIP_OK; + #endif + } + + if (err == Z_STREAM_END) + err = ZIP_OK; /* this is normal */ + + if ((zi->ci.pos_in_buffered_data > 0) && (err == ZIP_OK)) { + if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO) + err = ZIP_ERRNO; + } + + if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) { + int tmp_err = deflateEnd(&zi->ci.stream); + if (err == ZIP_OK) + err = tmp_err; + zi->ci.stream_initialised = 0; + } + #ifdef HAVE_BZIP2 + else if ((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw)) { + int tmperr = BZ2_bzCompressEnd(&zi->ci.bstream); + if (err == ZIP_OK) + err = tmperr; + zi->ci.stream_initialised = 0; + } + #endif + + if (!zi->ci.raw) { + crc32 = (uLong)zi->ci.crc32; + uncompressed_size = zi->ci.totalUncompressedData; + } + compressed_size = zi->ci.totalCompressedData; + + # ifndef NOCRYPT + compressed_size += zi->ci.crypt_header_size; + # endif + + // update Current Item crc and sizes, + if (compressed_size >= 0xffffffff || uncompressed_size >= 0xffffffff || zi->ci.pos_local_header >= 0xffffffff) { + /*version Made by*/ + zip64local_putValue_inmemory(zi->ci.central_header + 4, (uLong)45, 2); + /*version needed*/ + zip64local_putValue_inmemory(zi->ci.central_header + 6, (uLong)45, 2); + + } + + zip64local_putValue_inmemory(zi->ci.central_header + 16, crc32, 4); /*crc*/ + + + if (compressed_size >= 0xffffffff) + zip64local_putValue_inmemory(zi->ci.central_header + 20, invalidValue, 4); /*compr size*/ + else + zip64local_putValue_inmemory(zi->ci.central_header + 20, compressed_size, 4); /*compr size*/ + + /// set internal file attributes field + if (zi->ci.stream.data_type == Z_ASCII) + zip64local_putValue_inmemory(zi->ci.central_header + 36, (uLong)Z_ASCII, 2); + + if (uncompressed_size >= 0xffffffff) + zip64local_putValue_inmemory(zi->ci.central_header + 24, invalidValue, 4); /*uncompr size*/ + else + zip64local_putValue_inmemory(zi->ci.central_header + 24, uncompressed_size, 4); /*uncompr size*/ + + // Add ZIP64 extra info field for uncompressed size + if (uncompressed_size >= 0xffffffff) + datasize += 8; + + // Add ZIP64 extra info field for compressed size + if (compressed_size >= 0xffffffff) + datasize += 8; + + // Add ZIP64 extra info field for relative offset to local file header of current file + if (zi->ci.pos_local_header >= 0xffffffff) + datasize += 8; + + if (datasize > 0) { + char* p = NULL; + + if ((uLong)(datasize + 4) > zi->ci.size_centralExtraFree) { + // we can not write more data to the buffer that we have room for. + return ZIP_BADZIPFILE; + } + + p = zi->ci.central_header + zi->ci.size_centralheader; + + // Add Extra Information Header for 'ZIP64 information' + zip64local_putValue_inmemory(p, 0x0001, 2); // HeaderID + p += 2; + zip64local_putValue_inmemory(p, datasize, 2); // DataSize + p += 2; + + if (uncompressed_size >= 0xffffffff) { + zip64local_putValue_inmemory(p, uncompressed_size, 8); + p += 8; + } + + if (compressed_size >= 0xffffffff) { + zip64local_putValue_inmemory(p, compressed_size, 8); + p += 8; + } + + if (zi->ci.pos_local_header >= 0xffffffff) { + zip64local_putValue_inmemory(p, zi->ci.pos_local_header, 8); + p += 8; + } + + // Update how much extra free space we got in the memory buffer + // and increase the centralheader size so the new ZIP64 fields are included + // ( 4 below is the size of HeaderID and DataSize field ) + zi->ci.size_centralExtraFree -= datasize + 4; + zi->ci.size_centralheader += datasize + 4; + + // Update the extra info size field + zi->ci.size_centralExtra += datasize + 4; + zip64local_putValue_inmemory(zi->ci.central_header + 30, (uLong)zi->ci.size_centralExtra, 2); + } + + if (err == ZIP_OK) + err = add_data_in_datablock(&zi->central_dir, zi->ci.central_header, (uLong)zi->ci.size_centralheader); + + free(zi->ci.central_header); + + if (err == ZIP_OK) { + // Update the LocalFileHeader with the new values. + + ZPOS64_T cur_pos_inzip = ZTELL64(zi->z_filefunc, zi->filestream); + + if (ZSEEK64(zi->z_filefunc, zi->filestream, zi->ci.pos_local_header + 14, ZLIB_FILEFUNC_SEEK_SET) != 0) + err = ZIP_ERRNO; + + if (err == ZIP_OK) + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, crc32, 4); /* crc 32, unknown */ + + if (uncompressed_size >= 0xffffffff || compressed_size >= 0xffffffff) { + if (zi->ci.pos_zip64extrainfo > 0) { + // Update the size in the ZIP64 extended field. + if (ZSEEK64(zi->z_filefunc, zi->filestream, zi->ci.pos_zip64extrainfo + 4, ZLIB_FILEFUNC_SEEK_SET) != 0) + err = ZIP_ERRNO; + + if (err == ZIP_OK) /* compressed size, unknown */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, uncompressed_size, 8); - if (!zi->ci.raw) - { - crc32 = (uLong)zi->ci.crc32; - uncompressed_size = zi->ci.totalUncompressedData; - } - compressed_size = zi->ci.totalCompressedData; - -# ifndef NOCRYPT - compressed_size += zi->ci.crypt_header_size; -# endif - - // update Current Item crc and sizes, - if(compressed_size >= 0xffffffff || uncompressed_size >= 0xffffffff || zi->ci.pos_local_header >= 0xffffffff) - { - /*version Made by*/ - zip64local_putValue_inmemory(zi->ci.central_header+4,(uLong)45,2); - /*version needed*/ - zip64local_putValue_inmemory(zi->ci.central_header+6,(uLong)45,2); - - } - - zip64local_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/ - - - if(compressed_size >= 0xffffffff) - zip64local_putValue_inmemory(zi->ci.central_header+20, invalidValue,4); /*compr size*/ - else - zip64local_putValue_inmemory(zi->ci.central_header+20, compressed_size,4); /*compr size*/ - - /// set internal file attributes field - if (zi->ci.stream.data_type == Z_ASCII) - zip64local_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2); - - if(uncompressed_size >= 0xffffffff) - zip64local_putValue_inmemory(zi->ci.central_header+24, invalidValue,4); /*uncompr size*/ - else - zip64local_putValue_inmemory(zi->ci.central_header+24, uncompressed_size,4); /*uncompr size*/ - - // Add ZIP64 extra info field for uncompressed size - if(uncompressed_size >= 0xffffffff) - datasize += 8; - - // Add ZIP64 extra info field for compressed size - if(compressed_size >= 0xffffffff) - datasize += 8; - - // Add ZIP64 extra info field for relative offset to local file header of current file - if(zi->ci.pos_local_header >= 0xffffffff) - datasize += 8; - - if(datasize > 0) - { - char* p = NULL; - - if((uLong)(datasize + 4) > zi->ci.size_centralExtraFree) - { - // we can not write more data to the buffer that we have room for. - return ZIP_BADZIPFILE; - } - - p = zi->ci.central_header + zi->ci.size_centralheader; - - // Add Extra Information Header for 'ZIP64 information' - zip64local_putValue_inmemory(p, 0x0001, 2); // HeaderID - p += 2; - zip64local_putValue_inmemory(p, datasize, 2); // DataSize - p += 2; - - if(uncompressed_size >= 0xffffffff) - { - zip64local_putValue_inmemory(p, uncompressed_size, 8); - p += 8; - } - - if(compressed_size >= 0xffffffff) - { - zip64local_putValue_inmemory(p, compressed_size, 8); - p += 8; - } - - if(zi->ci.pos_local_header >= 0xffffffff) - { - zip64local_putValue_inmemory(p, zi->ci.pos_local_header, 8); - p += 8; - } - - // Update how much extra free space we got in the memory buffer - // and increase the centralheader size so the new ZIP64 fields are included - // ( 4 below is the size of HeaderID and DataSize field ) - zi->ci.size_centralExtraFree -= datasize + 4; - zi->ci.size_centralheader += datasize + 4; - - // Update the extra info size field - zi->ci.size_centralExtra += datasize + 4; - zip64local_putValue_inmemory(zi->ci.central_header+30,(uLong)zi->ci.size_centralExtra,2); - } - - if (err==ZIP_OK) - err = add_data_in_datablock(&zi->central_dir, zi->ci.central_header, (uLong)zi->ci.size_centralheader); - - free(zi->ci.central_header); - - if (err==ZIP_OK) - { - // Update the LocalFileHeader with the new values. - - ZPOS64_T cur_pos_inzip = ZTELL64(zi->z_filefunc,zi->filestream); - - if (ZSEEK64(zi->z_filefunc,zi->filestream, zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0) - err = ZIP_ERRNO; - - if (err==ZIP_OK) - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */ - - if(uncompressed_size >= 0xffffffff || compressed_size >= 0xffffffff ) - { - if(zi->ci.pos_zip64extrainfo > 0) - { - // Update the size in the ZIP64 extended field. - if (ZSEEK64(zi->z_filefunc,zi->filestream, zi->ci.pos_zip64extrainfo + 4,ZLIB_FILEFUNC_SEEK_SET)!=0) - err = ZIP_ERRNO; - - if (err==ZIP_OK) /* compressed size, unknown */ - err = zip64local_putValue(&zi->z_filefunc, zi->filestream, uncompressed_size, 8); - - if (err==ZIP_OK) /* uncompressed size, unknown */ - err = zip64local_putValue(&zi->z_filefunc, zi->filestream, compressed_size, 8); - } - else - err = ZIP_BADZIPFILE; // Caller passed zip64 = 0, so no room for zip64 info -> fatal - } - else - { - if (err==ZIP_OK) /* compressed size, unknown */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4); - - if (err==ZIP_OK) /* uncompressed size, unknown */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4); - } - - if (ZSEEK64(zi->z_filefunc,zi->filestream, cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0) - err = ZIP_ERRNO; - } - - zi->number_entry ++; - zi->in_opened_file_inzip = 0; - - return err; + if (err == ZIP_OK) /* uncompressed size, unknown */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, compressed_size, 8); + } + else + err = ZIP_BADZIPFILE; // Caller passed zip64 = 0, so no room for zip64 info -> fatal + } + else { + if (err == ZIP_OK) /* compressed size, unknown */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, compressed_size, 4); + + if (err == ZIP_OK) /* uncompressed size, unknown */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, uncompressed_size, 4); + } + + if (ZSEEK64(zi->z_filefunc, zi->filestream, cur_pos_inzip, ZLIB_FILEFUNC_SEEK_SET) != 0) + err = ZIP_ERRNO; + } + + zi->number_entry++; + zi->in_opened_file_inzip = 0; + + return err; } -extern int ZEXPORT zipCloseFileInZip (zipFile file) +extern int ZEXPORT zipCloseFileInZip(zipFile file) { - return zipCloseFileInZipRaw (file,0,0); + return zipCloseFileInZipRaw(file, 0, 0); } int Write_Zip64EndOfCentralDirectoryLocator(zip64_internal* zi, ZPOS64_T zip64eocd_pos_inzip) { - int err = ZIP_OK; - ZPOS64_T pos = zip64eocd_pos_inzip - zi->add_position_when_writting_offset; + int err = ZIP_OK; + ZPOS64_T pos = zip64eocd_pos_inzip - zi->add_position_when_writting_offset; - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ZIP64ENDLOCHEADERMAGIC,4); + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)ZIP64ENDLOCHEADERMAGIC, 4); - /*num disks*/ - if (err==ZIP_OK) /* number of the disk with the start of the central directory */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); + /*num disks*/ + if (err == ZIP_OK) /* number of the disk with the start of the central directory */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0, 4); - /*relative offset*/ - if (err==ZIP_OK) /* Relative offset to the Zip64EndOfCentralDirectory */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream, pos,8); + /*relative offset*/ + if (err == ZIP_OK) /* Relative offset to the Zip64EndOfCentralDirectory */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, pos, 8); - /*total disks*/ /* Do not support spawning of disk so always say 1 here*/ - if (err==ZIP_OK) /* number of the disk with the start of the central directory */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)1,4); + /*total disks*/ /* Do not support spawning of disk so always say 1 here*/ + if (err == ZIP_OK) /* number of the disk with the start of the central directory */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)1, 4); - return err; + return err; } int Write_Zip64EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) { - int err = ZIP_OK; + int err = ZIP_OK; - uLong Zip64DataSize = 44; + uLong Zip64DataSize = 44; - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ZIP64ENDHEADERMAGIC,4); + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)ZIP64ENDHEADERMAGIC, 4); - if (err==ZIP_OK) /* size of this 'zip64 end of central directory' */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(ZPOS64_T)Zip64DataSize,8); // why ZPOS64_T of this ? + if (err == ZIP_OK) /* size of this 'zip64 end of central directory' */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)Zip64DataSize, 8); // why ZPOS64_T of this ? - if (err==ZIP_OK) /* version made by */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)45,2); + if (err == ZIP_OK) /* version made by */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)45, 2); - if (err==ZIP_OK) /* version needed */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)45,2); + if (err == ZIP_OK) /* version needed */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)45, 2); - if (err==ZIP_OK) /* number of this disk */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); + if (err == ZIP_OK) /* number of this disk */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0, 4); - if (err==ZIP_OK) /* number of the disk with the start of the central directory */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); + if (err == ZIP_OK) /* number of the disk with the start of the central directory */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0, 4); - if (err==ZIP_OK) /* total number of entries in the central dir on this disk */ - err = zip64local_putValue(&zi->z_filefunc, zi->filestream, zi->number_entry, 8); + if (err == ZIP_OK) /* total number of entries in the central dir on this disk */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, zi->number_entry, 8); - if (err==ZIP_OK) /* total number of entries in the central dir */ - err = zip64local_putValue(&zi->z_filefunc, zi->filestream, zi->number_entry, 8); + if (err == ZIP_OK) /* total number of entries in the central dir */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, zi->number_entry, 8); - if (err==ZIP_OK) /* size of the central directory */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(ZPOS64_T)size_centraldir,8); + if (err == ZIP_OK) /* size of the central directory */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)size_centraldir, 8); - if (err==ZIP_OK) /* offset of start of central directory with respect to the starting disk number */ - { - ZPOS64_T pos = centraldir_pos_inzip - zi->add_position_when_writting_offset; - err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (ZPOS64_T)pos,8); - } - return err; + if (err == ZIP_OK) /* offset of start of central directory with respect to the starting disk number */ + { + ZPOS64_T pos = centraldir_pos_inzip - zi->add_position_when_writting_offset; + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)pos, 8); + } + return err; } int Write_EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) { - int err = ZIP_OK; - - /*signature*/ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4); - - if (err==ZIP_OK) /* number of this disk */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); - - if (err==ZIP_OK) /* number of the disk with the start of the central directory */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); - - if (err==ZIP_OK) /* total number of entries in the central dir on this disk */ - { - { - if(zi->number_entry >= 0xFFFF) - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xffff,2); // use value in ZIP64 record - else - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); - } - } - - if (err==ZIP_OK) /* total number of entries in the central dir */ - { - if(zi->number_entry >= 0xFFFF) - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xffff,2); // use value in ZIP64 record - else - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); - } - - if (err==ZIP_OK) /* size of the central directory */ - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4); - - if (err==ZIP_OK) /* offset of start of central directory with respect to the starting disk number */ - { - ZPOS64_T pos = centraldir_pos_inzip - zi->add_position_when_writting_offset; - if(pos >= 0xffffffff) - { - err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)0xffffffff,4); - } - else - err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4); - } - - return err; + int err = ZIP_OK; + + /*signature*/ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)ENDHEADERMAGIC, 4); + + if (err == ZIP_OK) /* number of this disk */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0, 2); + + if (err == ZIP_OK) /* number of the disk with the start of the central directory */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0, 2); + + if (err == ZIP_OK) /* total number of entries in the central dir on this disk */ + { + { + if (zi->number_entry >= 0xFFFF) + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0xffff, 2); // use value in ZIP64 record + else + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)zi->number_entry, 2); + } + } + + if (err == ZIP_OK) /* total number of entries in the central dir */ + { + if (zi->number_entry >= 0xFFFF) + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0xffff, 2); // use value in ZIP64 record + else + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)zi->number_entry, 2); + } + + if (err == ZIP_OK) /* size of the central directory */ + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)size_centraldir, 4); + + if (err == ZIP_OK) /* offset of start of central directory with respect to the starting disk number */ + { + ZPOS64_T pos = centraldir_pos_inzip - zi->add_position_when_writting_offset; + if (pos >= 0xffffffff) { + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)0xffffffff, 4); + } + else + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset), 4); + } + + return err; } int Write_GlobalComment(zip64_internal* zi, const char* global_comment) { - int err = ZIP_OK; - uInt size_global_comment = 0; + int err = ZIP_OK; + uInt size_global_comment = 0; - if(global_comment != NULL) - size_global_comment = (uInt)strlen(global_comment); + if (global_comment != NULL) + size_global_comment = (uInt)strlen(global_comment); - err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2); + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (uLong)size_global_comment, 2); - if (err == ZIP_OK && size_global_comment > 0) - { - if (ZWRITE64(zi->z_filefunc,zi->filestream, global_comment, size_global_comment) != size_global_comment) - err = ZIP_ERRNO; - } - return err; + if (err == ZIP_OK && size_global_comment > 0) { + if (ZWRITE64(zi->z_filefunc, zi->filestream, global_comment, size_global_comment) != size_global_comment) + err = ZIP_ERRNO; + } + return err; } -extern int ZEXPORT zipClose (zipFile file, const char* global_comment) +extern int ZEXPORT zipClose(zipFile file, const char* global_comment) { - zip64_internal* zi; - int err = 0; - uLong size_centraldir = 0; - ZPOS64_T centraldir_pos_inzip; - ZPOS64_T pos; + zip64_internal* zi; + int err = 0; + uLong size_centraldir = 0; + ZPOS64_T centraldir_pos_inzip; + ZPOS64_T pos; + + if (file == NULL) + return ZIP_PARAMERROR; + + zi = (zip64_internal*)file; + + if (zi->in_opened_file_inzip == 1) { + err = zipCloseFileInZip(file); + } + + #ifndef NO_ADDFILEINEXISTINGZIP + if (global_comment == NULL) + global_comment = zi->globalcomment; + #endif + + centraldir_pos_inzip = ZTELL64(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 (ZWRITE64(zi->z_filefunc, zi->filestream, ldi->data, ldi->filled_in_this_block) != ldi->filled_in_this_block) + err = ZIP_ERRNO; + } + + size_centraldir += ldi->filled_in_this_block; + ldi = ldi->next_datablock; + } + } + free_linkedlist(&(zi->central_dir)); + + pos = centraldir_pos_inzip - zi->add_position_when_writting_offset; + if (pos >= 0xffffffff || zi->number_entry > 0xFFFF) { + ZPOS64_T Zip64EOCDpos = ZTELL64(zi->z_filefunc, zi->filestream); + Write_Zip64EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip); + + Write_Zip64EndOfCentralDirectoryLocator(zi, Zip64EOCDpos); + } + + if (err == ZIP_OK) + err = Write_EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip); + + if (err == ZIP_OK) + err = Write_GlobalComment(zi, global_comment); + + if (ZCLOSE64(zi->z_filefunc, zi->filestream) != 0) + if (err == ZIP_OK) + err = ZIP_ERRNO; + + #ifndef NO_ADDFILEINEXISTINGZIP + TRYFREE(zi->globalcomment); + #endif + TRYFREE(zi); + + return err; +} - if (file == NULL) - return ZIP_PARAMERROR; +extern int ZEXPORT zipRemoveExtraInfoBlock(char* pData, int* dataLen, short sHeader) +{ + char* p = pData; + int size = 0; + char* pNewHeader; + char* pTmp; + short header; + short dataSize; - zi = (zip64_internal*)file; + int retVal = ZIP_OK; - if (zi->in_opened_file_inzip == 1) - { - err = zipCloseFileInZip (file); - } + if (pData == NULL || *dataLen < 4) + return ZIP_PARAMERROR; -#ifndef NO_ADDFILEINEXISTINGZIP - if (global_comment==NULL) - global_comment = zi->globalcomment; -#endif + pNewHeader = (char*)ALLOC(*dataLen); + pTmp = pNewHeader; - centraldir_pos_inzip = ZTELL64(zi->z_filefunc,zi->filestream); + while (p < (pData + *dataLen)) { + header = *(short*)p; + dataSize = *(((short*)p) + 1); - 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 (ZWRITE64(zi->z_filefunc,zi->filestream, ldi->data, ldi->filled_in_this_block) != ldi->filled_in_this_block) - err = ZIP_ERRNO; - } + if (header == sHeader) // Header found. + { + p += dataSize + 4; // skip it. do not copy to temp buffer + } + else { + // Extra Info block should not be removed, So copy it to the temp buffer. + memcpy(pTmp, p, dataSize + 4); + p += dataSize + 4; + size += dataSize + 4; + } - size_centraldir += ldi->filled_in_this_block; - ldi = ldi->next_datablock; - } - } - free_linkedlist(&(zi->central_dir)); + } - pos = centraldir_pos_inzip - zi->add_position_when_writting_offset; - if(pos >= 0xffffffff || zi->number_entry > 0xFFFF) - { - ZPOS64_T Zip64EOCDpos = ZTELL64(zi->z_filefunc,zi->filestream); - Write_Zip64EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip); + if (size < *dataLen) { + // clean old extra info block. + memset(pData, 0, *dataLen); - Write_Zip64EndOfCentralDirectoryLocator(zi, Zip64EOCDpos); - } + // copy the new extra info block over the old + if (size > 0) + memcpy(pData, pNewHeader, size); - if (err==ZIP_OK) - err = Write_EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip); + // set the new extra info size + *dataLen = size; - if(err == ZIP_OK) - err = Write_GlobalComment(zi, global_comment); + retVal = ZIP_OK; + } + else + retVal = ZIP_ERRNO; - if (ZCLOSE64(zi->z_filefunc,zi->filestream) != 0) - if (err == ZIP_OK) - err = ZIP_ERRNO; + TRYFREE(pNewHeader); -#ifndef NO_ADDFILEINEXISTINGZIP - TRYFREE(zi->globalcomment); -#endif - TRYFREE(zi); - - return err; -} - -extern int ZEXPORT zipRemoveExtraInfoBlock (char* pData, int* dataLen, short sHeader) -{ - char* p = pData; - int size = 0; - char* pNewHeader; - char* pTmp; - short header; - short dataSize; - - int retVal = ZIP_OK; - - if(pData == NULL || *dataLen < 4) - return ZIP_PARAMERROR; - - pNewHeader = (char*)ALLOC(*dataLen); - pTmp = pNewHeader; - - while(p < (pData + *dataLen)) - { - header = *(short*)p; - dataSize = *(((short*)p)+1); - - if( header == sHeader ) // Header found. - { - p += dataSize + 4; // skip it. do not copy to temp buffer - } - else - { - // Extra Info block should not be removed, So copy it to the temp buffer. - memcpy(pTmp, p, dataSize + 4); - p += dataSize + 4; - size += dataSize + 4; - } - - } - - if(size < *dataLen) - { - // clean old extra info block. - memset(pData,0, *dataLen); - - // copy the new extra info block over the old - if(size > 0) - memcpy(pData, pNewHeader, size); - - // set the new extra info size - *dataLen = size; - - retVal = ZIP_OK; - } - else - retVal = ZIP_ERRNO; - - TRYFREE(pNewHeader); - - return retVal; + return retVal; } |