Mercurial > hg > orthanc
diff OrthancFramework/Resources/ThirdParty/minizip/zip.c @ 5428:8174e45f48d8
Upgraded minizip library to stay away from CVE-2023-45853
author | Alain Mazy <am@osimis.io> |
---|---|
date | Fri, 17 Nov 2023 08:58:40 +0100 |
parents | d25f4c0fa160 |
children |
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--- a/OrthancFramework/Resources/ThirdParty/minizip/zip.c Fri Nov 17 08:22:17 2023 +0100 +++ b/OrthancFramework/Resources/ThirdParty/minizip/zip.c Fri Nov 17 08:58:40 2023 +0100 @@ -14,7 +14,7 @@ Oct-2009 - Mathias Svensson - Added Zip64 Support when creating new file archives Oct-2009 - Mathias Svensson - Did some code cleanup and refactoring to get better overview of some functions. Oct-2009 - Mathias Svensson - Added zipRemoveExtraInfoBlock to strip extra field data from its ZIP64 data - It is used when recreting zip archive with RAW when deleting items from a zip. + It is used when recreating zip archive with RAW when deleting items from a zip. ZIP64 data is automatically added to items that needs it, and existing ZIP64 data need to be removed. Oct-2009 - Mathias Svensson - Added support for BZIP2 as compression mode (bzip2 lib is required) Jan-2010 - back to unzip and minizip 1.0 name scheme, with compatibility layer @@ -25,14 +25,13 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <stdint.h> #include <time.h> #include "zlib.h" #include "zip.h" #ifdef STDC # include <stddef.h> -# include <string.h> -# include <stdlib.h> #endif #ifdef NO_ERRNO_H extern int errno; @@ -47,7 +46,7 @@ /* compile with -Dlocal if your debugger can't find static symbols */ #ifndef VERSIONMADEBY -# define VERSIONMADEBY (0x0) /* platform depedent */ +# define VERSIONMADEBY (0x0) /* platform dependent */ #endif #ifndef Z_BUFSIZE @@ -61,9 +60,6 @@ #ifndef ALLOC # define ALLOC(size) (malloc(size)) #endif -#ifndef TRYFREE -# define TRYFREE(p) {if (p) free(p);} -#endif /* #define SIZECENTRALDIRITEM (0x2e) @@ -138,37 +134,37 @@ 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 */ + currently writing */ char* central_header; /* central header data for the current file */ uLong size_centralExtra; uLong size_centralheader; /* size of the central header for cur file */ uLong size_centralExtraFree; /* Extra bytes allocated to the centralheader but that are not used */ uLong flag; /* flag of the file currently writing */ - int method; /* compression method of file currenty wr.*/ + int method; /* compression method of file currently wr.*/ int raw; /* 1 for directly writing raw data */ Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/ uLong dosDate; uLong crc32; int encrypt; - int zip64; /* Add ZIP64 extened information in the extra field */ + int zip64; /* Add ZIP64 extended information in the extra field */ ZPOS64_T pos_zip64extrainfo; ZPOS64_T totalCompressedData; ZPOS64_T totalUncompressedData; #ifndef NOCRYPT unsigned long keys[3]; /* keys defining the pseudo-random sequence */ const z_crc_t* pcrc_32_tab; - int crypt_header_size; + unsigned crypt_header_size; #endif } curfile64_info; typedef struct { zlib_filefunc64_32_def z_filefunc; - voidpf filestream; /* io structore of the zipfile */ + voidpf filestream; /* io structure of the zipfile */ linkedlist_data central_dir;/* datablock with central dir in construction*/ int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/ - curfile64_info ci; /* info on the file curretly writing */ + curfile64_info ci; /* info on the file currently writing */ ZPOS64_T begin_pos; /* position of the beginning of the zipfile */ ZPOS64_T add_position_when_writing_offset; @@ -186,8 +182,7 @@ #include "crypt.h" #endif -local linkedlist_datablock_internal* allocate_new_datablock() -{ +local linkedlist_datablock_internal* allocate_new_datablock(void) { linkedlist_datablock_internal* ldi; ldi = (linkedlist_datablock_internal*) ALLOC(sizeof(linkedlist_datablock_internal)); @@ -200,30 +195,26 @@ return ldi; } -local void free_datablock(linkedlist_datablock_internal* ldi) -{ +local void free_datablock(linkedlist_datablock_internal* ldi) { while (ldi!=NULL) { linkedlist_datablock_internal* ldinext = ldi->next_datablock; - TRYFREE(ldi); + free(ldi); ldi = ldinext; } } -local void init_linkedlist(linkedlist_data* ll) -{ +local void init_linkedlist(linkedlist_data* ll) { ll->first_block = ll->last_block = NULL; } -local void free_linkedlist(linkedlist_data* ll) -{ +local void free_linkedlist(linkedlist_data* ll) { free_datablock(ll->first_block); ll->first_block = ll->last_block = NULL; } -local int add_data_in_datablock(linkedlist_data* ll, const void* buf, uLong len) -{ +local int add_data_in_datablock(linkedlist_data* ll, const void* buf, uLong len) { linkedlist_datablock_internal* ldi; const unsigned char* from_copy; @@ -238,7 +229,7 @@ } ldi = ll->last_block; - from_copy = (unsigned char*)buf; + from_copy = (const unsigned char*)buf; while (len>0) { @@ -283,9 +274,7 @@ 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++) @@ -301,15 +290,13 @@ } } - if (ZWRITE64(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte) + if (ZWRITE64(*pzlib_filefunc_def,filestream,buf,(uLong)nbByte)!=(uLong)nbByte) return ZIP_ERRNO; else return ZIP_OK; } -local void 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++) { @@ -329,25 +316,21 @@ /****************************************************************************/ -local uLong zip64local_TmzDateToDosDate(const tm_zip* ptm) -{ +local uLong zip64local_TmzDateToDosDate(const tm_zip* ptm) { uLong year = (uLong)ptm->tm_year; if (year>=1980) year-=1980; else if (year>=80) year-=80; return - (uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) | - ((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour)); + (uLong) (((uLong)(ptm->tm_mday) + (32 * (uLong)(ptm->tm_mon+1)) + (512 * year)) << 16) | + (((uLong)ptm->tm_sec/2) + (32 * (uLong)ptm->tm_min) + (2048 * (uLong)ptm->tm_hour)); } /****************************************************************************/ -local int 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) @@ -368,10 +351,7 @@ /* =========================================================================== 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; @@ -390,10 +370,7 @@ 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; @@ -420,11 +397,8 @@ 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; @@ -475,10 +449,7 @@ Locate the Central directory of a zipfile (at the end, just before 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) -{ +local ZPOS64_T zip64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) { unsigned char* buf; ZPOS64_T uSizeFile; ZPOS64_T uBackRead; @@ -522,14 +493,14 @@ if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) { - uPosFound = uReadPos+i; + uPosFound = uReadPos+(unsigned)i; break; } if (uPosFound!=0) break; } - TRYFREE(buf); + free(buf); return uPosFound; } @@ -537,10 +508,7 @@ Locate the End of Zip64 Central directory locator and from there find the CD of a zipfile (at the end, just before the global comment) */ -local ZPOS64_T zip64local_SearchCentralDir64 OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream)); - -local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) -{ +local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream) { unsigned char* buf; ZPOS64_T uSizeFile; ZPOS64_T uBackRead; @@ -586,7 +554,7 @@ // 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; + uPosFound = uReadPos+(unsigned)i; break; } } @@ -595,7 +563,7 @@ break; } - TRYFREE(buf); + free(buf); if (uPosFound == 0) return 0; @@ -637,8 +605,7 @@ return relativeOffset; } -int LoadCentralDirectoryRecord(zip64_internal* pziinit) -{ +local int LoadCentralDirectoryRecord(zip64_internal* pziinit) { int err=ZIP_OK; ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ @@ -647,10 +614,10 @@ ZPOS64_T central_pos; uLong uL; - uLong number_disk; /* number of the current dist, used for - spaning ZIP, unsupported, always 0*/ - uLong number_disk_with_CD; /* number the the disk with central dir, used - for spaning ZIP, unsupported, always 0*/ + uLong number_disk; /* number of the current disk, used for + spanning ZIP, unsupported, always 0*/ + uLong number_disk_with_CD; /* number of the disk with central dir, used + for spanning ZIP, unsupported, always 0*/ ZPOS64_T number_entry; ZPOS64_T number_entry_CD; /* total number of entries in the central dir @@ -830,7 +797,7 @@ size_central_dir_to_read-=read_this; } - TRYFREE(buf_read); + free(buf_read); } pziinit->begin_pos = byte_before_the_zipfile; pziinit->number_entry = number_entry_CD; @@ -846,8 +813,7 @@ /************************************************************/ -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; @@ -905,9 +871,9 @@ if (err != ZIP_OK) { # ifndef NO_ADDFILEINEXISTINGZIP - TRYFREE(ziinit.globalcomment); + free(ziinit.globalcomment); # endif /* !NO_ADDFILEINEXISTINGZIP*/ - TRYFREE(zi); + free(zi); return NULL; } else @@ -917,8 +883,7 @@ } } -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; @@ -929,8 +894,7 @@ 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; @@ -945,18 +909,15 @@ -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); } -extern zipFile ZEXPORT zipOpen64 (const void* pathname, int append) -{ +extern zipFile ZEXPORT zipOpen64(const void* pathname, int append) { return zipOpen3(pathname,append,NULL,NULL); } -int Write_LocalFileHeader(zip64_internal* zi, const char* filename, uInt size_extrafield_local, const void* extrafield_local) -{ +local int Write_LocalFileHeader(zip64_internal* zi, const char* filename, uInt size_extrafield_local, const void* extrafield_local) { /* write the local header */ int err; uInt size_filename = (uInt)strlen(filename); @@ -1034,8 +995,8 @@ // 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)HeaderID,2); + err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)DataSize,2); err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)UncompressedSize,8); err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)CompressedSize,8); @@ -1052,14 +1013,13 @@ 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; @@ -1083,6 +1043,17 @@ return ZIP_PARAMERROR; #endif + // The filename and comment length must fit in 16 bits. + if ((filename!=NULL) && (strlen(filename)>0xffff)) + return ZIP_PARAMERROR; + if ((comment!=NULL) && (strlen(comment)>0xffff)) + return ZIP_PARAMERROR; + // The extra field length must fit in 16 bits. If the member also requires + // a Zip64 extra block, that will also need to fit within that 16-bit + // length, but that will be checked for later. + if ((size_extrafield_local>0xffff) || (size_extrafield_global>0xffff)) + return ZIP_PARAMERROR; + zi = (zip64_internal*)file; if (zi->in_opened_file_inzip == 1) @@ -1262,35 +1233,33 @@ 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) -{ - 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 zipOpenNewFileInZip4(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits,int memLevel, int strategy, + const char* password, uLong crcForCrypting, + uLong versionMadeBy, uLong flagBase) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting, versionMadeBy, flagBase, 0); } -extern int ZEXPORT zipOpenNewFileInZip3 (zipFile file, const char* filename, const zip_fileinfo* zipfi, - const void* extrafield_local, uInt size_extrafield_local, - const void* extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level, int raw, - int windowBits,int memLevel, int strategy, - const char* password, uLong crcForCrypting) -{ - return zipOpenNewFileInZip4_64 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - windowBits, memLevel, strategy, - password, crcForCrypting, VERSIONMADEBY, 0, 0); +extern int ZEXPORT zipOpenNewFileInZip3(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, + int windowBits,int memLevel, int strategy, + const char* password, uLong crcForCrypting) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting, VERSIONMADEBY, 0, 0); } extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file, const char* filename, const zip_fileinfo* zipfi, @@ -1298,70 +1267,64 @@ 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); + const char* password, uLong crcForCrypting, int zip64) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + windowBits, memLevel, strategy, + password, crcForCrypting, VERSIONMADEBY, 0, zip64); } extern int ZEXPORT zipOpenNewFileInZip2(zipFile file, const char* filename, const zip_fileinfo* zipfi, const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level, int raw) -{ - return zipOpenNewFileInZip4_64 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, - NULL, 0, VERSIONMADEBY, 0, 0); + const char* comment, int method, int level, int raw) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, 0); } extern int ZEXPORT zipOpenNewFileInZip2_64(zipFile file, const char* filename, const zip_fileinfo* zipfi, - const void* extrafield_local, uInt size_extrafield_local, - const void* extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level, int raw, int zip64) -{ - return zipOpenNewFileInZip4_64 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, raw, - -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, - NULL, 0, VERSIONMADEBY, 0, zip64); + const void* extrafield_local, uInt size_extrafield_local, + const void* extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int raw, int zip64) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, raw, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, zip64); } -extern int ZEXPORT zipOpenNewFileInZip64 (zipFile file, const char* filename, const zip_fileinfo* zipfi, - const void* extrafield_local, uInt size_extrafield_local, - const void*extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level, int zip64) -{ - return zipOpenNewFileInZip4_64 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, 0, - -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, - NULL, 0, VERSIONMADEBY, 0, zip64); +extern int ZEXPORT zipOpenNewFileInZip64(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void*extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level, int zip64) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, 0, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, zip64); } -extern int ZEXPORT zipOpenNewFileInZip (zipFile file, const char* filename, const zip_fileinfo* zipfi, - const void* extrafield_local, uInt size_extrafield_local, - const void*extrafield_global, uInt size_extrafield_global, - const char* comment, int method, int level) -{ - return zipOpenNewFileInZip4_64 (file, filename, zipfi, - extrafield_local, size_extrafield_local, - extrafield_global, size_extrafield_global, - comment, method, level, 0, - -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, - NULL, 0, VERSIONMADEBY, 0, 0); +extern int ZEXPORT zipOpenNewFileInZip(zipFile file, const char* filename, const zip_fileinfo* zipfi, + const void* extrafield_local, uInt size_extrafield_local, + const void*extrafield_global, uInt size_extrafield_global, + const char* comment, int method, int level) { + return zipOpenNewFileInZip4_64(file, filename, zipfi, + extrafield_local, size_extrafield_local, + extrafield_global, size_extrafield_global, + comment, method, level, 0, + -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, + NULL, 0, VERSIONMADEBY, 0, 0); } -local int zip64FlushWriteBuffer(zip64_internal* zi) -{ +local int zip64FlushWriteBuffer(zip64_internal* zi) { int err=ZIP_OK; if (zi->ci.encrypt != 0) @@ -1399,8 +1362,7 @@ 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; @@ -1450,7 +1412,7 @@ else #endif { - zi->ci.stream.next_in = (Bytef*)buf; + zi->ci.stream.next_in = (Bytef*)(uintptr_t)buf; zi->ci.stream.avail_in = len; while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0)) @@ -1471,11 +1433,6 @@ { 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) ; } @@ -1506,17 +1463,15 @@ 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); } -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; + unsigned datasize = 0; int err=ZIP_OK; if (file == NULL) @@ -1747,13 +1702,11 @@ return err; } -extern int ZEXPORT zipCloseFileInZip (zipFile file) -{ +extern int ZEXPORT zipCloseFileInZip(zipFile file) { return zipCloseFileInZipRaw (file,0,0); } -int Write_Zip64EndOfCentralDirectoryLocator(zip64_internal* zi, ZPOS64_T zip64eocd_pos_inzip) -{ +local int Write_Zip64EndOfCentralDirectoryLocator(zip64_internal* zi, ZPOS64_T zip64eocd_pos_inzip) { int err = ZIP_OK; ZPOS64_T pos = zip64eocd_pos_inzip - zi->add_position_when_writing_offset; @@ -1774,8 +1727,7 @@ return err; } -int Write_Zip64EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) -{ +local int Write_Zip64EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) { int err = ZIP_OK; uLong Zip64DataSize = 44; @@ -1813,8 +1765,8 @@ } return err; } -int Write_EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) -{ + +local int Write_EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip) { int err = ZIP_OK; /*signature*/ @@ -1861,8 +1813,7 @@ return err; } -int Write_GlobalComment(zip64_internal* zi, const char* global_comment) -{ +local int Write_GlobalComment(zip64_internal* zi, const char* global_comment) { int err = ZIP_OK; uInt size_global_comment = 0; @@ -1879,8 +1830,7 @@ 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; @@ -1922,7 +1872,7 @@ free_linkedlist(&(zi->central_dir)); pos = centraldir_pos_inzip - zi->add_position_when_writing_offset; - if(pos >= 0xffffffff || zi->number_entry > 0xFFFF) + if(pos >= 0xffffffff || zi->number_entry >= 0xFFFF) { ZPOS64_T Zip64EOCDpos = ZTELL64(zi->z_filefunc,zi->filestream); Write_Zip64EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip); @@ -1941,15 +1891,14 @@ err = ZIP_ERRNO; #ifndef NO_ADDFILEINEXISTINGZIP - TRYFREE(zi->globalcomment); + free(zi->globalcomment); #endif - TRYFREE(zi); + free(zi); return err; } -extern int ZEXPORT zipRemoveExtraInfoBlock (char* pData, int* dataLen, short sHeader) -{ +extern int ZEXPORT zipRemoveExtraInfoBlock(char* pData, int* dataLen, short sHeader) { char* p = pData; int size = 0; char* pNewHeader; @@ -1959,10 +1908,10 @@ int retVal = ZIP_OK; - if(pData == NULL || *dataLen < 4) + if(pData == NULL || dataLen == NULL || *dataLen < 4) return ZIP_PARAMERROR; - pNewHeader = (char*)ALLOC(*dataLen); + pNewHeader = (char*)ALLOC((unsigned)*dataLen); pTmp = pNewHeader; while(p < (pData + *dataLen)) @@ -2001,7 +1950,7 @@ else retVal = ZIP_ERRNO; - TRYFREE(pNewHeader); + free(pNewHeader); return retVal; }