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kc3-lang/zlib/contrib/minizip/minizip.c
Mark Adler
- contrib/minizip/minizip.c
-
/* minizip.c Version 1.1, February 14h, 2010 sample part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) Modifications of Unzip for Zip64 Copyright (C) 2007-2008 Even Rouault Modifications for Zip64 support on both zip and unzip Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) */ #if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) #ifndef __USE_FILE_OFFSET64 #define __USE_FILE_OFFSET64 #endif #ifndef __USE_LARGEFILE64 #define __USE_LARGEFILE64 #endif #ifndef _LARGEFILE64_SOURCE #define _LARGEFILE64_SOURCE #endif #ifndef _FILE_OFFSET_BIT #define _FILE_OFFSET_BIT 64 #endif #endif #if defined(__APPLE__) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64) // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions #define FOPEN_FUNC(filename, mode) fopen(filename, mode) #define FTELLO_FUNC(stream) ftello(stream) #define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin) #else #define FOPEN_FUNC(filename, mode) fopen64(filename, mode) #define FTELLO_FUNC(stream) ftello64(stream) #define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin) #endif #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> #include <errno.h> #include <fcntl.h> #ifdef _WIN32 # include <direct.h> # include <io.h> #else # include <unistd.h> # include <utime.h> # include <sys/types.h> # include <sys/stat.h> #endif #include "zip.h" #ifdef _WIN32 #define USEWIN32IOAPI #include "iowin32.h" #endif #define WRITEBUFFERSIZE (16384) #define MAXFILENAME (256) #ifdef _WIN32 /* f: name of file to get info on, tmzip: return value: access, modification and creation times, dt: dostime */ static int filetime(const char *f, tm_zip *tmzip, uLong *dt) { int ret = 0; { FILETIME ftLocal; HANDLE hFind; WIN32_FIND_DATAA ff32; hFind = FindFirstFileA(f,&ff32); if (hFind != INVALID_HANDLE_VALUE) { FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal); FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0); FindClose(hFind); ret = 1; } } return ret; } #else #if defined(unix) || defined(__APPLE__) /* f: name of file to get info on, tmzip: return value: access, modification and creation times, dt: dostime */ static int filetime(const char *f, tm_zip *tmzip, uLong *dt) { (void)dt; int ret=0; struct stat s; /* results of stat() */ struct tm* filedate; time_t tm_t=0; if (strcmp(f,"-")!=0) { char name[MAXFILENAME+1]; size_t len = strlen(f); if (len > MAXFILENAME) len = MAXFILENAME; strncpy(name, f,MAXFILENAME-1); /* strncpy doesn't append the trailing NULL, of the string is too long. */ name[ MAXFILENAME ] = '\0'; if (name[len - 1] == '/') name[len - 1] = '\0'; /* not all systems allow stat'ing a file with / appended */ if (stat(name,&s)==0) { tm_t = s.st_mtime; ret = 1; } } filedate = localtime(&tm_t); tmzip->tm_sec = filedate->tm_sec; tmzip->tm_min = filedate->tm_min; tmzip->tm_hour = filedate->tm_hour; tmzip->tm_mday = filedate->tm_mday; tmzip->tm_mon = filedate->tm_mon ; tmzip->tm_year = filedate->tm_year; return ret; } #else /* f: name of file to get info on, tmzip: return value: access, modification and creation times, dt: dostime */ static int filetime(const char *f, tm_zip *tmzip, uLong *dt) { (void)f; (void)tmzip; (void)dt; return 0; } #endif #endif static int check_exist_file(const char* filename) { FILE* ftestexist; int ret = 1; ftestexist = FOPEN_FUNC(filename,"rb"); if (ftestexist==NULL) ret = 0; else fclose(ftestexist); return ret; } static void do_banner(void) { printf("MiniZip 1.1, demo of zLib + MiniZip64 package, written by Gilles Vollant\n"); printf("more info on MiniZip at http://www.winimage.com/zLibDll/minizip.html\n\n"); } static void do_help(void) { printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] [-j] file.zip [files_to_add]\n\n" \ " -o Overwrite existing file.zip\n" \ " -a Append to existing file.zip\n" \ " -0 Store only\n" \ " -1 Compress faster\n" \ " -9 Compress better\n\n" \ " -j exclude path. store only the file name.\n\n"); } /* calculate the CRC32 of a file, because to encrypt a file, we need known the CRC32 of the file before */ static int getFileCrc(const char* filenameinzip, void* buf, unsigned long size_buf, unsigned long* result_crc) { unsigned long calculate_crc=0; int err=ZIP_OK; FILE * fin = FOPEN_FUNC(filenameinzip,"rb"); unsigned long size_read = 0; /* unsigned long total_read = 0; */ if (fin==NULL) { err = ZIP_ERRNO; } if (err == ZIP_OK) do { err = ZIP_OK; size_read = fread(buf,1,size_buf,fin); if (size_read < size_buf) if (feof(fin)==0) { printf("error in reading %s\n",filenameinzip); err = ZIP_ERRNO; } if (size_read>0) calculate_crc = crc32_z(calculate_crc,buf,size_read); /* total_read += size_read; */ } while ((err == ZIP_OK) && (size_read>0)); if (fin) fclose(fin); *result_crc=calculate_crc; printf("file %s crc %lx\n", filenameinzip, calculate_crc); return err; } static int isLargeFile(const char* filename) { int largeFile = 0; ZPOS64_T pos = 0; FILE* pFile = FOPEN_FUNC(filename, "rb"); if(pFile != NULL) { FSEEKO_FUNC(pFile, 0, SEEK_END); pos = (ZPOS64_T)FTELLO_FUNC(pFile); printf("File : %s is %llu bytes\n", filename, pos); if(pos >= 0xffffffff) largeFile = 1; fclose(pFile); } return largeFile; } int main(int argc, char *argv[]) { int i; int opt_overwrite=0; int opt_compress_level=Z_DEFAULT_COMPRESSION; int opt_exclude_path=0; int zipfilenamearg = 0; char filename_try[MAXFILENAME+16]; int zipok; int err=0; size_t size_buf=0; void* buf=NULL; const char* password=NULL; do_banner(); if (argc==1) { do_help(); return 0; } else { for (i=1;i<argc;i++) { if ((*argv[i])=='-') { const char *p=argv[i]+1; while ((*p)!='\0') { char c=*(p++); if ((c=='o') || (c=='O')) opt_overwrite = 1; if ((c=='a') || (c=='A')) opt_overwrite = 2; if ((c>='0') && (c<='9')) opt_compress_level = c-'0'; if ((c=='j') || (c=='J')) opt_exclude_path = 1; if (((c=='p') || (c=='P')) && (i+1<argc)) { password=argv[i+1]; i++; } } } else { if (zipfilenamearg == 0) { zipfilenamearg = i ; } } } } size_buf = WRITEBUFFERSIZE; buf = (void*)malloc(size_buf); if (buf==NULL) { printf("Error allocating memory\n"); return ZIP_INTERNALERROR; } if (zipfilenamearg==0) { zipok=0; } else { int i,len; int dot_found=0; zipok = 1 ; strncpy(filename_try, argv[zipfilenamearg],MAXFILENAME-1); /* strncpy doesn't append the trailing NULL, of the string is too long. */ filename_try[ MAXFILENAME ] = '\0'; len=(int)strlen(filename_try); for (i=0;i<len;i++) if (filename_try[i]=='.') dot_found=1; if (dot_found==0) strcat(filename_try,".zip"); if (opt_overwrite==2) { /* if the file don't exist, we not append file */ if (check_exist_file(filename_try)==0) opt_overwrite=1; } else if (opt_overwrite==0) if (check_exist_file(filename_try)!=0) { char rep=0; do { char answer[128]; int ret; printf("The file %s exists. Overwrite ? [y]es, [n]o, [a]ppend : ",filename_try); ret = scanf("%1s",answer); if (ret != 1) { exit(EXIT_FAILURE); } rep = answer[0] ; if ((rep>='a') && (rep<='z')) rep -= 0x20; } while ((rep!='Y') && (rep!='N') && (rep!='A')); if (rep=='N') zipok = 0; if (rep=='A') opt_overwrite = 2; } } if (zipok==1) { zipFile zf; int errclose; # ifdef USEWIN32IOAPI zlib_filefunc64_def ffunc; fill_win32_filefunc64A(&ffunc); zf = zipOpen2_64(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc); # else zf = zipOpen64(filename_try,(opt_overwrite==2) ? 2 : 0); # endif if (zf == NULL) { printf("error opening %s\n",filename_try); err= ZIP_ERRNO; } else printf("creating %s\n",filename_try); for (i=zipfilenamearg+1;(i<argc) && (err==ZIP_OK);i++) { if (!((((*(argv[i]))=='-') || ((*(argv[i]))=='/')) && ((argv[i][1]=='o') || (argv[i][1]=='O') || (argv[i][1]=='a') || (argv[i][1]=='A') || (argv[i][1]=='p') || (argv[i][1]=='P') || ((argv[i][1]>='0') && (argv[i][1]<='9'))) && (strlen(argv[i]) == 2))) { FILE * fin = NULL; size_t size_read; const char* filenameinzip = argv[i]; const char *savefilenameinzip; zip_fileinfo zi; unsigned long crcFile=0; int zip64 = 0; zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour = zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0; zi.dosDate = 0; zi.internal_fa = 0; zi.external_fa = 0; filetime(filenameinzip,&zi.tmz_date,&zi.dosDate); /* err = zipOpenNewFileInZip(zf,filenameinzip,&zi, NULL,0,NULL,0,NULL / * comment * /, (opt_compress_level != 0) ? Z_DEFLATED : 0, opt_compress_level); */ if ((password != NULL) && (err==ZIP_OK)) err = getFileCrc(filenameinzip,buf,size_buf,&crcFile); zip64 = isLargeFile(filenameinzip); /* The path name saved, should not include a leading slash. */ /*if it did, windows/xp and dynazip couldn't read the zip file. */ savefilenameinzip = filenameinzip; while( savefilenameinzip[0] == '\\' || savefilenameinzip[0] == '/' ) { savefilenameinzip++; } /*should the zip file contain any path at all?*/ if( opt_exclude_path ) { const char *tmpptr; const char *lastslash = 0; for( tmpptr = savefilenameinzip; *tmpptr; tmpptr++) { if( *tmpptr == '\\' || *tmpptr == '/') { lastslash = tmpptr; } } if( lastslash != NULL ) { savefilenameinzip = lastslash+1; // base filename follows last slash. } } /**/ err = zipOpenNewFileInZip3_64(zf,savefilenameinzip,&zi, NULL,0,NULL,0,NULL /* comment*/, (opt_compress_level != 0) ? Z_DEFLATED : 0, opt_compress_level,0, /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, */ -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, password,crcFile, zip64); if (err != ZIP_OK) printf("error in opening %s in zipfile\n",filenameinzip); else { fin = FOPEN_FUNC(filenameinzip,"rb"); if (fin==NULL) { err=ZIP_ERRNO; printf("error in opening %s for reading\n",filenameinzip); } } if (err == ZIP_OK) do { err = ZIP_OK; size_read = fread(buf,1,size_buf,fin); if (size_read < size_buf) if (feof(fin)==0) { printf("error in reading %s\n",filenameinzip); err = ZIP_ERRNO; } if (size_read>0) { err = zipWriteInFileInZip (zf,buf,(unsigned)size_read); if (err<0) { printf("error in writing %s in the zipfile\n", filenameinzip); } } } while ((err == ZIP_OK) && (size_read>0)); if (fin) fclose(fin); if (err<0) err=ZIP_ERRNO; else { err = zipCloseFileInZip(zf); if (err!=ZIP_OK) printf("error in closing %s in the zipfile\n", filenameinzip); } } } errclose = zipClose(zf,NULL); if (errclose != ZIP_OK) printf("error in closing %s\n",filename_try); } else { do_help(); } free(buf); return 0; }