| 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 | static int filetime(f, tmzip, dt) |
| 75 | const 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 | #if defined(unix) || defined(__APPLE__) |
| 98 | static int filetime(f, tmzip, dt) |
| 99 | const 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 | (void)dt; |
| 104 | int ret=0; |
| 105 | struct stat s; /* results of stat() */ |
| 106 | struct tm* filedate; |
| 107 | time_t tm_t=0; |
| 108 | |
| 109 | if (strcmp(f,"-")!=0) |
| 110 | { |
| 111 | char name[MAXFILENAME+1]; |
| 112 | size_t len = strlen(f); |
| 113 | if (len > MAXFILENAME) |
| 114 | len = MAXFILENAME; |
| 115 | |
| 116 | strncpy(name, f,MAXFILENAME-1); |
| 117 | /* strncpy doesnt append the trailing NULL, of the string is too long. */ |
| 118 | name[ MAXFILENAME ] = '\0'; |
| 119 | |
| 120 | if (name[len - 1] == '/') |
| 121 | name[len - 1] = '\0'; |
| 122 | /* not all systems allow stat'ing a file with / appended */ |
| 123 | if (stat(name,&s)==0) |
| 124 | { |
| 125 | tm_t = s.st_mtime; |
| 126 | ret = 1; |
| 127 | } |
| 128 | } |
| 129 | filedate = localtime(&tm_t); |
| 130 | |
| 131 | tmzip->tm_sec = filedate->tm_sec; |
| 132 | tmzip->tm_min = filedate->tm_min; |
| 133 | tmzip->tm_hour = filedate->tm_hour; |
| 134 | tmzip->tm_mday = filedate->tm_mday; |
| 135 | tmzip->tm_mon = filedate->tm_mon ; |
| 136 | tmzip->tm_year = filedate->tm_year; |
| 137 | |
| 138 | return ret; |
| 139 | } |
| 140 | #else |
| 141 | uLong filetime(f, tmzip, dt) |
| 142 | const char *f; /* name of file to get info on */ |
| 143 | tm_zip *tmzip; /* return value: access, modific. and creation times */ |
| 144 | uLong *dt; /* dostime */ |
| 145 | { |
| 146 | return 0; |
| 147 | } |
| 148 | #endif |
| 149 | #endif |
| 150 | |
| 151 | |
| 152 | |
| 153 | |
| 154 | static int check_exist_file(filename) |
| 155 | const char* filename; |
| 156 | { |
| 157 | FILE* ftestexist; |
| 158 | int ret = 1; |
| 159 | ftestexist = FOPEN_FUNC(filename,"rb"); |
| 160 | if (ftestexist==NULL) |
| 161 | ret = 0; |
| 162 | else |
| 163 | fclose(ftestexist); |
| 164 | return ret; |
| 165 | } |
| 166 | |
| 167 | static void do_banner() |
| 168 | { |
| 169 | printf("MiniZip 1.1, demo of zLib + MiniZip64 package, written by Gilles Vollant\n"); |
| 170 | printf("more info on MiniZip at http://www.winimage.com/zLibDll/minizip.html\n\n"); |
| 171 | } |
| 172 | |
| 173 | static void do_help() |
| 174 | { |
| 175 | printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] [-j] file.zip [files_to_add]\n\n" \ |
| 176 | " -o Overwrite existing file.zip\n" \ |
| 177 | " -a Append to existing file.zip\n" \ |
| 178 | " -0 Store only\n" \ |
| 179 | " -1 Compress faster\n" \ |
| 180 | " -9 Compress better\n\n" \ |
| 181 | " -j exclude path. store only the file name.\n\n"); |
| 182 | } |
| 183 | |
| 184 | /* calculate the CRC32 of a file, |
| 185 | because to encrypt a file, we need known the CRC32 of the file before */ |
| 186 | static int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigned long* result_crc) |
| 187 | { |
| 188 | unsigned long calculate_crc=0; |
| 189 | int err=ZIP_OK; |
| 190 | FILE * fin = FOPEN_FUNC(filenameinzip,"rb"); |
| 191 | |
| 192 | unsigned long size_read = 0; |
| 193 | /* unsigned long total_read = 0; */ |
| 194 | if (fin==NULL) |
| 195 | { |
| 196 | err = ZIP_ERRNO; |
| 197 | } |
| 198 | |
| 199 | if (err == ZIP_OK) |
| 200 | do |
| 201 | { |
| 202 | err = ZIP_OK; |
| 203 | size_read = fread(buf,1,size_buf,fin); |
| 204 | if (size_read < size_buf) |
| 205 | if (feof(fin)==0) |
| 206 | { |
| 207 | printf("error in reading %s\n",filenameinzip); |
| 208 | err = ZIP_ERRNO; |
| 209 | } |
| 210 | |
| 211 | if (size_read>0) |
| 212 | calculate_crc = crc32_z(calculate_crc,buf,size_read); |
| 213 | /* total_read += size_read; */ |
| 214 | |
| 215 | } while ((err == ZIP_OK) && (size_read>0)); |
| 216 | |
| 217 | if (fin) |
| 218 | fclose(fin); |
| 219 | |
| 220 | *result_crc=calculate_crc; |
| 221 | printf("file %s crc %lx\n", filenameinzip, calculate_crc); |
| 222 | return err; |
| 223 | } |
| 224 | |
| 225 | static int isLargeFile(const char* filename) |
| 226 | { |
| 227 | int largeFile = 0; |
| 228 | ZPOS64_T pos = 0; |
| 229 | FILE* pFile = FOPEN_FUNC(filename, "rb"); |
| 230 | |
| 231 | if(pFile != NULL) |
| 232 | { |
| 233 | FSEEKO_FUNC(pFile, 0, SEEK_END); |
| 234 | pos = (ZPOS64_T)FTELLO_FUNC(pFile); |
| 235 | |
| 236 | printf("File : %s is %lld bytes\n", filename, pos); |
| 237 | |
| 238 | if(pos >= 0xffffffff) |
| 239 | largeFile = 1; |
| 240 | |
| 241 | fclose(pFile); |
| 242 | } |
| 243 | |
| 244 | return largeFile; |
| 245 | } |
| 246 | |
| 247 | int main(argc,argv) |
| 248 | int argc; |
| 249 | char *argv[]; |
| 250 | { |
| 251 | int i; |
| 252 | int opt_overwrite=0; |
| 253 | int opt_compress_level=Z_DEFAULT_COMPRESSION; |
| 254 | int opt_exclude_path=0; |
| 255 | int zipfilenamearg = 0; |
| 256 | char filename_try[MAXFILENAME+16]; |
| 257 | int zipok; |
| 258 | int err=0; |
| 259 | size_t size_buf=0; |
| 260 | void* buf=NULL; |
| 261 | const char* password=NULL; |
| 262 | |
| 263 | |
| 264 | do_banner(); |
| 265 | if (argc==1) |
| 266 | { |
| 267 | do_help(); |
| 268 | return 0; |
| 269 | } |
| 270 | else |
| 271 | { |
| 272 | for (i=1;i<argc;i++) |
| 273 | { |
| 274 | if ((*argv[i])=='-') |
| 275 | { |
| 276 | const char *p=argv[i]+1; |
| 277 | |
| 278 | while ((*p)!='\0') |
| 279 | { |
| 280 | char c=*(p++); |
| 281 | if ((c=='o') || (c=='O')) |
| 282 | opt_overwrite = 1; |
| 283 | if ((c=='a') || (c=='A')) |
| 284 | opt_overwrite = 2; |
| 285 | if ((c>='0') && (c<='9')) |
| 286 | opt_compress_level = c-'0'; |
| 287 | if ((c=='j') || (c=='J')) |
| 288 | opt_exclude_path = 1; |
| 289 | |
| 290 | if (((c=='p') || (c=='P')) && (i+1<argc)) |
| 291 | { |
| 292 | password=argv[i+1]; |
| 293 | i++; |
| 294 | } |
| 295 | } |
| 296 | } |
| 297 | else |
| 298 | { |
| 299 | if (zipfilenamearg == 0) |
| 300 | { |
| 301 | zipfilenamearg = i ; |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | size_buf = WRITEBUFFERSIZE; |
| 308 | buf = (void*)malloc(size_buf); |
| 309 | if (buf==NULL) |
| 310 | { |
| 311 | printf("Error allocating memory\n"); |
| 312 | return ZIP_INTERNALERROR; |
| 313 | } |
| 314 | |
| 315 | if (zipfilenamearg==0) |
| 316 | { |
| 317 | zipok=0; |
| 318 | } |
| 319 | else |
| 320 | { |
| 321 | int i,len; |
| 322 | int dot_found=0; |
| 323 | |
| 324 | zipok = 1 ; |
| 325 | strncpy(filename_try, argv[zipfilenamearg],MAXFILENAME-1); |
| 326 | /* strncpy doesnt append the trailing NULL, of the string is too long. */ |
| 327 | filename_try[ MAXFILENAME ] = '\0'; |
| 328 | |
| 329 | len=(int)strlen(filename_try); |
| 330 | for (i=0;i<len;i++) |
| 331 | if (filename_try[i]=='.') |
| 332 | dot_found=1; |
| 333 | |
| 334 | if (dot_found==0) |
| 335 | strcat(filename_try,".zip"); |
| 336 | |
| 337 | if (opt_overwrite==2) |
| 338 | { |
| 339 | /* if the file don't exist, we not append file */ |
| 340 | if (check_exist_file(filename_try)==0) |
| 341 | opt_overwrite=1; |
| 342 | } |
| 343 | else |
| 344 | if (opt_overwrite==0) |
| 345 | if (check_exist_file(filename_try)!=0) |
| 346 | { |
| 347 | char rep=0; |
| 348 | do |
| 349 | { |
| 350 | char answer[128]; |
| 351 | int ret; |
| 352 | printf("The file %s exists. Overwrite ? [y]es, [n]o, [a]ppend : ",filename_try); |
| 353 | ret = scanf("%1s",answer); |
| 354 | if (ret != 1) |
| 355 | { |
| 356 | exit(EXIT_FAILURE); |
| 357 | } |
| 358 | rep = answer[0] ; |
| 359 | if ((rep>='a') && (rep<='z')) |
| 360 | rep -= 0x20; |
| 361 | } |
| 362 | while ((rep!='Y') && (rep!='N') && (rep!='A')); |
| 363 | if (rep=='N') |
| 364 | zipok = 0; |
| 365 | if (rep=='A') |
| 366 | opt_overwrite = 2; |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | if (zipok==1) |
| 371 | { |
| 372 | zipFile zf; |
| 373 | int errclose; |
| 374 | # ifdef USEWIN32IOAPI |
| 375 | zlib_filefunc64_def ffunc; |
| 376 | fill_win32_filefunc64A(&ffunc); |
| 377 | zf = zipOpen2_64(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc); |
| 378 | # else |
| 379 | zf = zipOpen64(filename_try,(opt_overwrite==2) ? 2 : 0); |
| 380 | # endif |
| 381 | |
| 382 | if (zf == NULL) |
| 383 | { |
| 384 | printf("error opening %s\n",filename_try); |
| 385 | err= ZIP_ERRNO; |
| 386 | } |
| 387 | else |
| 388 | printf("creating %s\n",filename_try); |
| 389 | |
| 390 | for (i=zipfilenamearg+1;(i<argc) && (err==ZIP_OK);i++) |
| 391 | { |
| 392 | if (!((((*(argv[i]))=='-') || ((*(argv[i]))=='/')) && |
| 393 | ((argv[i][1]=='o') || (argv[i][1]=='O') || |
| 394 | (argv[i][1]=='a') || (argv[i][1]=='A') || |
| 395 | (argv[i][1]=='p') || (argv[i][1]=='P') || |
| 396 | ((argv[i][1]>='0') || (argv[i][1]<='9'))) && |
| 397 | (strlen(argv[i]) == 2))) |
| 398 | { |
| 399 | FILE * fin; |
| 400 | size_t size_read; |
| 401 | const char* filenameinzip = argv[i]; |
| 402 | const char *savefilenameinzip; |
| 403 | zip_fileinfo zi; |
| 404 | unsigned long crcFile=0; |
| 405 | int zip64 = 0; |
| 406 | |
| 407 | zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour = |
| 408 | zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0; |
| 409 | zi.dosDate = 0; |
| 410 | zi.internal_fa = 0; |
| 411 | zi.external_fa = 0; |
| 412 | filetime(filenameinzip,&zi.tmz_date,&zi.dosDate); |
| 413 | |
| 414 | /* |
| 415 | err = zipOpenNewFileInZip(zf,filenameinzip,&zi, |
| 416 | NULL,0,NULL,0,NULL / * comment * /, |
| 417 | (opt_compress_level != 0) ? Z_DEFLATED : 0, |
| 418 | opt_compress_level); |
| 419 | */ |
| 420 | if ((password != NULL) && (err==ZIP_OK)) |
| 421 | err = getFileCrc(filenameinzip,buf,size_buf,&crcFile); |
| 422 | |
| 423 | zip64 = isLargeFile(filenameinzip); |
| 424 | |
| 425 | /* The path name saved, should not include a leading slash. */ |
| 426 | /*if it did, windows/xp and dynazip couldn't read the zip file. */ |
| 427 | savefilenameinzip = filenameinzip; |
| 428 | while( savefilenameinzip[0] == '\\' || savefilenameinzip[0] == '/' ) |
| 429 | { |
| 430 | savefilenameinzip++; |
| 431 | } |
| 432 | |
| 433 | /*should the zip file contain any path at all?*/ |
| 434 | if( opt_exclude_path ) |
| 435 | { |
| 436 | const char *tmpptr; |
| 437 | const char *lastslash = 0; |
| 438 | for( tmpptr = savefilenameinzip; *tmpptr; tmpptr++) |
| 439 | { |
| 440 | if( *tmpptr == '\\' || *tmpptr == '/') |
| 441 | { |
| 442 | lastslash = tmpptr; |
| 443 | } |
| 444 | } |
| 445 | if( lastslash != NULL ) |
| 446 | { |
| 447 | savefilenameinzip = lastslash+1; // base filename follows last slash. |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | /**/ |
| 452 | err = zipOpenNewFileInZip3_64(zf,savefilenameinzip,&zi, |
| 453 | NULL,0,NULL,0,NULL /* comment*/, |
| 454 | (opt_compress_level != 0) ? Z_DEFLATED : 0, |
| 455 | opt_compress_level,0, |
| 456 | /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, */ |
| 457 | -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, |
| 458 | password,crcFile, zip64); |
| 459 | |
| 460 | if (err != ZIP_OK) |
| 461 | printf("error in opening %s in zipfile\n",filenameinzip); |
| 462 | else |
| 463 | { |
| 464 | fin = FOPEN_FUNC(filenameinzip,"rb"); |
| 465 | if (fin==NULL) |
| 466 | { |
| 467 | err=ZIP_ERRNO; |
| 468 | printf("error in opening %s for reading\n",filenameinzip); |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | if (err == ZIP_OK) |
| 473 | do |
| 474 | { |
| 475 | err = ZIP_OK; |
| 476 | size_read = fread(buf,1,size_buf,fin); |
| 477 | if (size_read < size_buf) |
| 478 | if (feof(fin)==0) |
| 479 | { |
| 480 | printf("error in reading %s\n",filenameinzip); |
| 481 | err = ZIP_ERRNO; |
| 482 | } |
| 483 | |
| 484 | if (size_read>0) |
| 485 | { |
| 486 | err = zipWriteInFileInZip (zf,buf,(unsigned)size_read); |
| 487 | if (err<0) |
| 488 | { |
| 489 | printf("error in writing %s in the zipfile\n", |
| 490 | filenameinzip); |
| 491 | } |
| 492 | |
| 493 | } |
| 494 | } while ((err == ZIP_OK) && (size_read>0)); |
| 495 | |
| 496 | if (fin) |
| 497 | fclose(fin); |
| 498 | |
| 499 | if (err<0) |
| 500 | err=ZIP_ERRNO; |
| 501 | else |
| 502 | { |
| 503 | err = zipCloseFileInZip(zf); |
| 504 | if (err!=ZIP_OK) |
| 505 | printf("error in closing %s in the zipfile\n", |
| 506 | filenameinzip); |
| 507 | } |
| 508 | } |
| 509 | } |
| 510 | errclose = zipClose(zf,NULL); |
| 511 | if (errclose != ZIP_OK) |
| 512 | printf("error in closing %s\n",filename_try); |
| 513 | } |
| 514 | else |
| 515 | { |
| 516 | do_help(); |
| 517 | } |
| 518 | |
| 519 | free(buf); |
| 520 | return 0; |
| 521 | } |