| 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 |
} |
