src/external/zlib-1.2.11/contrib/minizip/minizip.c

   1 /*
   2    minizip.c
   3    Version 1.1, February 14h, 2010
   4    sample part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
   5
   6          Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
   7
   8          Modifications of Unzip for Zip64
   9          Copyright (C) 2007-2008 Even Rouault
  10
  11          Modifications for Zip64 support on both zip and unzip
  12          Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
  13 */
  14
  15
  16 #if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
  17         #ifndef __USE_FILE_OFFSET64
  18                 #define __USE_FILE_OFFSET64
  19         #endif
  20         #ifndef __USE_LARGEFILE64
  21                 #define __USE_LARGEFILE64
  22         #endif
  23         #ifndef _LARGEFILE64_SOURCE
  24                 #define _LARGEFILE64_SOURCE
  25         #endif
  26         #ifndef _FILE_OFFSET_BIT
  27                 #define _FILE_OFFSET_BIT 64
  28         #endif
  29 #endif
  30
  31 #ifdef __APPLE__
  32 // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
  33 #define FOPEN_FUNC(filename, mode) fopen(filename, mode)
  34 #define FTELLO_FUNC(stream) ftello(stream)
  35 #define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
  36 #else
  37 #define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
  38 #define FTELLO_FUNC(stream) ftello64(stream)
  39 #define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
  40 #endif
  41
  42
  43
  44 #include <stdio.h>
  45 #include <stdlib.h>
  46 #include <string.h>
  47 #include <time.h>
  48 #include <errno.h>
  49 #include <fcntl.h>
  50
  51 #ifdef _WIN32
  52 # include <direct.h>
  53 # include <io.h>
  54 #else
  55 # include <unistd.h>
  56 # include <utime.h>
  57 # include <sys/types.h>
  58 # include <sys/stat.h>
  59 #endif
  60
  61 #include "zip.h"
  62
  63 #ifdef _WIN32
  64         #define USEWIN32IOAPI
  65         #include "iowin32.h"
  66 #endif
  67
  68
  69
  70 #define WRITEBUFFERSIZE (16384)
  71 #define MAXFILENAME (256)
  72
  73 #ifdef _WIN32
  74 uLong filetime(f, tmzip, dt)
  75     char *f;                /* name of file to get info on */
  76     tm_zip *tmzip;             /* return value: access, modific. and creation times */
  77     uLong *dt;             /* dostime */
  78 {
  79   int ret = 0;
  80   {
  81       FILETIME ftLocal;
  82       HANDLE hFind;
  83       WIN32_FIND_DATAA ff32;
  84
  85       hFind = FindFirstFileA(f,&ff32);
  86       if (hFind != INVALID_HANDLE_VALUE)
  87       {
  88         FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal);
  89         FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0);
  90         FindClose(hFind);
  91         ret = 1;
  92       }
  93   }
  94   return ret;
  95 }
  96 #else
  97 #ifdef unix || __APPLE__
  98 uLong filetime(f, tmzip, dt)
  99     char *f;               /* name of file to get info on */
 100     tm_zip *tmzip;         /* return value: access, modific. and creation times */
 101     uLong *dt;             /* dostime */
 102 {
 103   int ret=0;
 104   struct stat s;        /* results of stat() */
 105   struct tm* filedate;
 106   time_t tm_t=0;
 107
 108   if (strcmp(f,"-")!=0)
 109   {
 110     char name[MAXFILENAME+1];
 111     int len = strlen(f);
 112     if (len > MAXFILENAME)
 113       len = MAXFILENAME;
 114
 115     strncpy(name, f,MAXFILENAME-1);
 116     /* strncpy doesnt append the trailing NULL, of the string is too long. */
 117     name[ MAXFILENAME ] = '\0';
 118
 119     if (name[len - 1] == '/')
 120       name[len - 1] = '\0';
 121     /* not all systems allow stat'ing a file with / appended */
 122     if (stat(name,&s)==0)
 123     {
 124       tm_t = s.st_mtime;
 125       ret = 1;
 126     }
 127   }
 128   filedate = localtime(&tm_t);
 129
 130   tmzip->tm_sec  = filedate->tm_sec;
 131   tmzip->tm_min  = filedate->tm_min;
 132   tmzip->tm_hour = filedate->tm_hour;
 133   tmzip->tm_mday = filedate->tm_mday;
 134   tmzip->tm_mon  = filedate->tm_mon ;
 135   tmzip->tm_year = filedate->tm_year;
 136
 137   return ret;
 138 }
 139 #else
 140 uLong filetime(f, tmzip, dt)
 141     char *f;                /* name of file to get info on */
 142     tm_zip *tmzip;             /* return value: access, modific. and creation times */
 143     uLong *dt;             /* dostime */
 144 {
 145     return 0;
 146 }
 147 #endif
 148 #endif
 149
 150
 151
 152
 153 int check_exist_file(filename)
 154     const char* filename;
 155 {
 156     FILE* ftestexist;
 157     int ret = 1;
 158     ftestexist = FOPEN_FUNC(filename,"rb");
 159     if (ftestexist==NULL)
 160         ret = 0;
 161     else
 162         fclose(ftestexist);
 163     return ret;
 164 }
 165
 166 void do_banner()
 167 {
 168     printf("MiniZip 1.1, demo of zLib + MiniZip64 package, written by Gilles Vollant\n");
 169     printf("more info on MiniZip at http://www.winimage.com/zLibDll/minizip.html\n\n");
 170 }
 171
 172 void do_help()
 173 {
 174     printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] [-j] file.zip [files_to_add]\n\n" \
 175            "  -o  Overwrite existing file.zip\n" \
 176            "  -a  Append to existing file.zip\n" \
 177            "  -0  Store only\n" \
 178            "  -1  Compress faster\n" \
 179            "  -9  Compress better\n\n" \
 180            "  -j  exclude path. store only the file name.\n\n");
 181 }
 182
 183 /* calculate the CRC32 of a file,
 184    because to encrypt a file, we need known the CRC32 of the file before */
 185 int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigned long* result_crc)
 186 {
 187    unsigned long calculate_crc=0;
 188    int err=ZIP_OK;
 189    FILE * fin = FOPEN_FUNC(filenameinzip,"rb");
 190
 191    unsigned long size_read = 0;
 192    unsigned long total_read = 0;
 193    if (fin==NULL)
 194    {
 195        err = ZIP_ERRNO;
 196    }
 197
 198     if (err == ZIP_OK)
 199         do
 200         {
 201             err = ZIP_OK;
 202             size_read = (int)fread(buf,1,size_buf,fin);
 203             if (size_read < size_buf)
 204                 if (feof(fin)==0)
 205             {
 206                 printf("error in reading %s\n",filenameinzip);
 207                 err = ZIP_ERRNO;
 208             }
 209
 210             if (size_read>0)
 211                 calculate_crc = crc32(calculate_crc,buf,size_read);
 212             total_read += size_read;
 213
 214         } while ((err == ZIP_OK) && (size_read>0));
 215
 216     if (fin)
 217         fclose(fin);
 218
 219     *result_crc=calculate_crc;
 220     printf("file %s crc %lx\n", filenameinzip, calculate_crc);
 221     return err;
 222 }
 223
 224 int isLargeFile(const char* filename)
 225 {
 226   int largeFile = 0;
 227   ZPOS64_T pos = 0;
 228   FILE* pFile = FOPEN_FUNC(filename, "rb");
 229
 230   if(pFile != NULL)
 231   {
 232     int n = FSEEKO_FUNC(pFile, 0, SEEK_END);
 233     pos = FTELLO_FUNC(pFile);
 234
 235                 printf("File : %s is %lld bytes\n", filename, pos);
 236
 237     if(pos >= 0xffffffff)
 238      largeFile = 1;
 239
 240                 fclose(pFile);
 241   }
 242
 243  return largeFile;
 244 }
 245
 246 int main(argc,argv)
 247     int argc;
 248     char *argv[];
 249 {
 250     int i;
 251     int opt_overwrite=0;
 252     int opt_compress_level=Z_DEFAULT_COMPRESSION;
 253     int opt_exclude_path=0;
 254     int zipfilenamearg = 0;
 255     char filename_try[MAXFILENAME+16];
 256     int zipok;
 257     int err=0;
 258     int size_buf=0;
 259     void* buf=NULL;
 260     const char* password=NULL;
 261
 262
 263     do_banner();
 264     if (argc==1)
 265     {
 266         do_help();
 267         return 0;
 268     }
 269     else
 270     {
 271         for (i=1;i<argc;i++)
 272         {
 273             if ((*argv[i])=='-')
 274             {
 275                 const char *p=argv[i]+1;
 276
 277                 while ((*p)!='\0')
 278                 {
 279                     char c=*(p++);;
 280                     if ((c=='o') || (c=='O'))
 281                         opt_overwrite = 1;
 282                     if ((c=='a') || (c=='A'))
 283                         opt_overwrite = 2;
 284                     if ((c>='0') && (c<='9'))
 285                         opt_compress_level = c-'0';
 286                     if ((c=='j') || (c=='J'))
 287                         opt_exclude_path = 1;
 288
 289                     if (((c=='p') || (c=='P')) && (i+1<argc))
 290                     {
 291                         password=argv[i+1];
 292                         i++;
 293                     }
 294                 }
 295             }
 296             else
 297             {
 298                 if (zipfilenamearg == 0)
 299                 {
 300                     zipfilenamearg = i ;
 301                 }
 302             }
 303         }
 304     }
 305
 306     size_buf = WRITEBUFFERSIZE;
 307     buf = (void*)malloc(size_buf);
 308     if (buf==NULL)
 309     {
 310         printf("Error allocating memory\n");
 311         return ZIP_INTERNALERROR;
 312     }
 313
 314     if (zipfilenamearg==0)
 315     {
 316         zipok=0;
 317     }
 318     else
 319     {
 320         int i,len;
 321         int dot_found=0;
 322
 323         zipok = 1 ;
 324         strncpy(filename_try, argv[zipfilenamearg],MAXFILENAME-1);
 325         /* strncpy doesnt append the trailing NULL, of the string is too long. */
 326         filename_try[ MAXFILENAME ] = '\0';
 327
 328         len=(int)strlen(filename_try);
 329         for (i=0;i<len;i++)
 330             if (filename_try[i]=='.')
 331                 dot_found=1;
 332
 333         if (dot_found==0)
 334             strcat(filename_try,".zip");
 335
 336         if (opt_overwrite==2)
 337         {
 338             /* if the file don't exist, we not append file */
 339             if (check_exist_file(filename_try)==0)
 340                 opt_overwrite=1;
 341         }
 342         else
 343         if (opt_overwrite==0)
 344             if (check_exist_file(filename_try)!=0)
 345             {
 346                 char rep=0;
 347                 do
 348                 {
 349                     char answer[128];
 350                     int ret;
 351                     printf("The file %s exists. Overwrite ? [y]es, [n]o, [a]ppend : ",filename_try);
 352                     ret = scanf("%1s",answer);
 353                     if (ret != 1)
 354                     {
 355                        exit(EXIT_FAILURE);
 356                     }
 357                     rep = answer[0] ;
 358                     if ((rep>='a') && (rep<='z'))
 359                         rep -= 0x20;
 360                 }
 361                 while ((rep!='Y') && (rep!='N') && (rep!='A'));
 362                 if (rep=='N')
 363                     zipok = 0;
 364                 if (rep=='A')
 365                     opt_overwrite = 2;
 366             }
 367     }
 368
 369     if (zipok==1)
 370     {
 371         zipFile zf;
 372         int errclose;
 373 #        ifdef USEWIN32IOAPI
 374         zlib_filefunc64_def ffunc;
 375         fill_win32_filefunc64A(&ffunc);
 376         zf = zipOpen2_64(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc);
 377 #        else
 378         zf = zipOpen64(filename_try,(opt_overwrite==2) ? 2 : 0);
 379 #        endif
 380
 381         if (zf == NULL)
 382         {
 383             printf("error opening %s\n",filename_try);
 384             err= ZIP_ERRNO;
 385         }
 386         else
 387             printf("creating %s\n",filename_try);
 388
 389         for (i=zipfilenamearg+1;(i<argc) && (err==ZIP_OK);i++)
 390         {
 391             if (!((((*(argv[i]))=='-') || ((*(argv[i]))=='/')) &&
 392                   ((argv[i][1]=='o') || (argv[i][1]=='O') ||
 393                    (argv[i][1]=='a') || (argv[i][1]=='A') ||
 394                    (argv[i][1]=='p') || (argv[i][1]=='P') ||
 395                    ((argv[i][1]>='0') || (argv[i][1]<='9'))) &&
 396                   (strlen(argv[i]) == 2)))
 397             {
 398                 FILE * fin;
 399                 int size_read;
 400                 const char* filenameinzip = argv[i];
 401                 const char *savefilenameinzip;
 402                 zip_fileinfo zi;
 403                 unsigned long crcFile=0;
 404                 int zip64 = 0;
 405
 406                 zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour =
 407                 zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0;
 408                 zi.dosDate = 0;
 409                 zi.internal_fa = 0;
 410                 zi.external_fa = 0;
 411                 filetime(filenameinzip,&zi.tmz_date,&zi.dosDate);
 412
 413 /*
 414                 err = zipOpenNewFileInZip(zf,filenameinzip,&zi,
 415                                  NULL,0,NULL,0,NULL / * comment * /,
 416                                  (opt_compress_level != 0) ? Z_DEFLATED : 0,
 417                                  opt_compress_level);
 418 */
 419                 if ((password != NULL) && (err==ZIP_OK))
 420                     err = getFileCrc(filenameinzip,buf,size_buf,&crcFile);
 421
 422                 zip64 = isLargeFile(filenameinzip);
 423
 424                                                          /* The path name saved, should not include a leading slash. */
 425                /*if it did, windows/xp and dynazip couldn't read the zip file. */
 426                  savefilenameinzip = filenameinzip;
 427                  while( savefilenameinzip[0] == '\\' || savefilenameinzip[0] == '/' )
 428                  {
 429                      savefilenameinzip++;
 430                  }
 431
 432                  /*should the zip file contain any path at all?*/
 433                  if( opt_exclude_path )
 434                  {
 435                      const char *tmpptr;
 436                      const char *lastslash = 0;
 437                      for( tmpptr = savefilenameinzip; *tmpptr; tmpptr++)
 438                      {
 439                          if( *tmpptr == '\\' || *tmpptr == '/')
 440                          {
 441                              lastslash = tmpptr;
 442                          }
 443                      }
 444                      if( lastslash != NULL )
 445                      {
 446                          savefilenameinzip = lastslash+1; // base filename follows last slash.
 447                      }
 448                  }
 449
 450                  /**/
 451                 err = zipOpenNewFileInZip3_64(zf,savefilenameinzip,&zi,
 452                                  NULL,0,NULL,0,NULL /* comment*/,
 453                                  (opt_compress_level != 0) ? Z_DEFLATED : 0,
 454                                  opt_compress_level,0,
 455                                  /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, */
 456                                  -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
 457                                  password,crcFile, zip64);
 458
 459                 if (err != ZIP_OK)
 460                     printf("error in opening %s in zipfile\n",filenameinzip);
 461                 else
 462                 {
 463                     fin = FOPEN_FUNC(filenameinzip,"rb");
 464                     if (fin==NULL)
 465                     {
 466                         err=ZIP_ERRNO;
 467                         printf("error in opening %s for reading\n",filenameinzip);
 468                     }
 469                 }
 470
 471                 if (err == ZIP_OK)
 472                     do
 473                     {
 474                         err = ZIP_OK;
 475                         size_read = (int)fread(buf,1,size_buf,fin);
 476                         if (size_read < size_buf)
 477                             if (feof(fin)==0)
 478                         {
 479                             printf("error in reading %s\n",filenameinzip);
 480                             err = ZIP_ERRNO;
 481                         }
 482
 483                         if (size_read>0)
 484                         {
 485                             err = zipWriteInFileInZip (zf,buf,size_read);
 486                             if (err<0)
 487                             {
 488                                 printf("error in writing %s in the zipfile\n",
 489                                                  filenameinzip);
 490                             }
 491
 492                         }
 493                     } while ((err == ZIP_OK) && (size_read>0));
 494
 495                 if (fin)
 496                     fclose(fin);
 497
 498                 if (err<0)
 499                     err=ZIP_ERRNO;
 500                 else
 501                 {
 502                     err = zipCloseFileInZip(zf);
 503                     if (err!=ZIP_OK)
 504                         printf("error in closing %s in the zipfile\n",
 505                                     filenameinzip);
 506                 }
 507             }
 508         }
 509         errclose = zipClose(zf,NULL);
 510         if (errclose != ZIP_OK)
 511             printf("error in closing %s\n",filename_try);
 512     }
 513     else
 514     {
 515        do_help();
 516     }
 517
 518     free(buf);
 519     return 0;
 520 }