OLD | NEW |
(Empty) | |
| 1 /* |
| 2 minizip.c |
| 3 Version 1.01e, February 12th, 2005 |
| 4 |
| 5 Copyright (C) 1998-2005 Gilles Vollant |
| 6 */ |
| 7 |
| 8 #include <stdio.h> |
| 9 #include <stdlib.h> |
| 10 #include <string.h> |
| 11 #include <time.h> |
| 12 #include <errno.h> |
| 13 #include <fcntl.h> |
| 14 |
| 15 #ifdef unix |
| 16 # include <unistd.h> |
| 17 # include <utime.h> |
| 18 # include <sys/types.h> |
| 19 # include <sys/stat.h> |
| 20 #else |
| 21 # include <direct.h> |
| 22 # include <io.h> |
| 23 #endif |
| 24 |
| 25 #include "zip.h" |
| 26 |
| 27 #ifdef WIN32 |
| 28 #define USEWIN32IOAPI |
| 29 #include "iowin32.h" |
| 30 #endif |
| 31 |
| 32 |
| 33 |
| 34 #define WRITEBUFFERSIZE (16384) |
| 35 #define MAXFILENAME (256) |
| 36 |
| 37 #ifdef WIN32 |
| 38 uLong filetime(f, tmzip, dt) |
| 39 char *f; /* name of file to get info on */ |
| 40 tm_zip *tmzip; /* return value: access, modific. and creation ti
mes */ |
| 41 uLong *dt; /* dostime */ |
| 42 { |
| 43 int ret = 0; |
| 44 { |
| 45 FILETIME ftLocal; |
| 46 HANDLE hFind; |
| 47 WIN32_FIND_DATA ff32; |
| 48 |
| 49 hFind = FindFirstFile(f,&ff32); |
| 50 if (hFind != INVALID_HANDLE_VALUE) |
| 51 { |
| 52 FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal); |
| 53 FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0); |
| 54 FindClose(hFind); |
| 55 ret = 1; |
| 56 } |
| 57 } |
| 58 return ret; |
| 59 } |
| 60 #else |
| 61 #ifdef unix |
| 62 uLong filetime(f, tmzip, dt) |
| 63 char *f; /* name of file to get info on */ |
| 64 tm_zip *tmzip; /* return value: access, modific. and creation times
*/ |
| 65 uLong *dt; /* dostime */ |
| 66 { |
| 67 int ret=0; |
| 68 struct stat s; /* results of stat() */ |
| 69 struct tm* filedate; |
| 70 time_t tm_t=0; |
| 71 |
| 72 if (strcmp(f,"-")!=0) |
| 73 { |
| 74 char name[MAXFILENAME+1]; |
| 75 int len = strlen(f); |
| 76 if (len > MAXFILENAME) |
| 77 len = MAXFILENAME; |
| 78 |
| 79 strncpy(name, f,MAXFILENAME-1); |
| 80 /* strncpy doesnt append the trailing NULL, of the string is too long. */ |
| 81 name[ MAXFILENAME ] = '\0'; |
| 82 |
| 83 if (name[len - 1] == '/') |
| 84 name[len - 1] = '\0'; |
| 85 /* not all systems allow stat'ing a file with / appended */ |
| 86 if (stat(name,&s)==0) |
| 87 { |
| 88 tm_t = s.st_mtime; |
| 89 ret = 1; |
| 90 } |
| 91 } |
| 92 filedate = localtime(&tm_t); |
| 93 |
| 94 tmzip->tm_sec = filedate->tm_sec; |
| 95 tmzip->tm_min = filedate->tm_min; |
| 96 tmzip->tm_hour = filedate->tm_hour; |
| 97 tmzip->tm_mday = filedate->tm_mday; |
| 98 tmzip->tm_mon = filedate->tm_mon ; |
| 99 tmzip->tm_year = filedate->tm_year; |
| 100 |
| 101 return ret; |
| 102 } |
| 103 #else |
| 104 uLong filetime(f, tmzip, dt) |
| 105 char *f; /* name of file to get info on */ |
| 106 tm_zip *tmzip; /* return value: access, modific. and creation ti
mes */ |
| 107 uLong *dt; /* dostime */ |
| 108 { |
| 109 return 0; |
| 110 } |
| 111 #endif |
| 112 #endif |
| 113 |
| 114 |
| 115 |
| 116 |
| 117 int check_exist_file(filename) |
| 118 const char* filename; |
| 119 { |
| 120 FILE* ftestexist; |
| 121 int ret = 1; |
| 122 ftestexist = fopen(filename,"rb"); |
| 123 if (ftestexist==NULL) |
| 124 ret = 0; |
| 125 else |
| 126 fclose(ftestexist); |
| 127 return ret; |
| 128 } |
| 129 |
| 130 void do_banner() |
| 131 { |
| 132 printf("MiniZip 1.01b, demo of zLib + Zip package written by Gilles Vollant\
n"); |
| 133 printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); |
| 134 } |
| 135 |
| 136 void do_help() |
| 137 { |
| 138 printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] file.zip [files_t
o_add]\n\n" \ |
| 139 " -o Overwrite existing file.zip\n" \ |
| 140 " -a Append to existing file.zip\n" \ |
| 141 " -0 Store only\n" \ |
| 142 " -1 Compress faster\n" \ |
| 143 " -9 Compress better\n\n"); |
| 144 } |
| 145 |
| 146 /* calculate the CRC32 of a file, |
| 147 because to encrypt a file, we need known the CRC32 of the file before */ |
| 148 int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigne
d long* result_crc) |
| 149 { |
| 150 unsigned long calculate_crc=0; |
| 151 int err=ZIP_OK; |
| 152 FILE * fin = fopen(filenameinzip,"rb"); |
| 153 unsigned long size_read = 0; |
| 154 unsigned long total_read = 0; |
| 155 if (fin==NULL) |
| 156 { |
| 157 err = ZIP_ERRNO; |
| 158 } |
| 159 |
| 160 if (err == ZIP_OK) |
| 161 do |
| 162 { |
| 163 err = ZIP_OK; |
| 164 size_read = (int)fread(buf,1,size_buf,fin); |
| 165 if (size_read < size_buf) |
| 166 if (feof(fin)==0) |
| 167 { |
| 168 printf("error in reading %s\n",filenameinzip); |
| 169 err = ZIP_ERRNO; |
| 170 } |
| 171 |
| 172 if (size_read>0) |
| 173 calculate_crc = crc32(calculate_crc,buf,size_read); |
| 174 total_read += size_read; |
| 175 |
| 176 } while ((err == ZIP_OK) && (size_read>0)); |
| 177 |
| 178 if (fin) |
| 179 fclose(fin); |
| 180 |
| 181 *result_crc=calculate_crc; |
| 182 printf("file %s crc %x\n",filenameinzip,calculate_crc); |
| 183 return err; |
| 184 } |
| 185 |
| 186 int main(argc,argv) |
| 187 int argc; |
| 188 char *argv[]; |
| 189 { |
| 190 int i; |
| 191 int opt_overwrite=0; |
| 192 int opt_compress_level=Z_DEFAULT_COMPRESSION; |
| 193 int zipfilenamearg = 0; |
| 194 char filename_try[MAXFILENAME+16]; |
| 195 int zipok; |
| 196 int err=0; |
| 197 int size_buf=0; |
| 198 void* buf=NULL; |
| 199 const char* password=NULL; |
| 200 |
| 201 |
| 202 do_banner(); |
| 203 if (argc==1) |
| 204 { |
| 205 do_help(); |
| 206 return 0; |
| 207 } |
| 208 else |
| 209 { |
| 210 for (i=1;i<argc;i++) |
| 211 { |
| 212 if ((*argv[i])=='-') |
| 213 { |
| 214 const char *p=argv[i]+1; |
| 215 |
| 216 while ((*p)!='\0') |
| 217 { |
| 218 char c=*(p++);; |
| 219 if ((c=='o') || (c=='O')) |
| 220 opt_overwrite = 1; |
| 221 if ((c=='a') || (c=='A')) |
| 222 opt_overwrite = 2; |
| 223 if ((c>='0') && (c<='9')) |
| 224 opt_compress_level = c-'0'; |
| 225 |
| 226 if (((c=='p') || (c=='P')) && (i+1<argc)) |
| 227 { |
| 228 password=argv[i+1]; |
| 229 i++; |
| 230 } |
| 231 } |
| 232 } |
| 233 else |
| 234 if (zipfilenamearg == 0) |
| 235 zipfilenamearg = i ; |
| 236 } |
| 237 } |
| 238 |
| 239 size_buf = WRITEBUFFERSIZE; |
| 240 buf = (void*)malloc(size_buf); |
| 241 if (buf==NULL) |
| 242 { |
| 243 printf("Error allocating memory\n"); |
| 244 return ZIP_INTERNALERROR; |
| 245 } |
| 246 |
| 247 if (zipfilenamearg==0) |
| 248 zipok=0; |
| 249 else |
| 250 { |
| 251 int i,len; |
| 252 int dot_found=0; |
| 253 |
| 254 zipok = 1 ; |
| 255 strncpy(filename_try, argv[zipfilenamearg],MAXFILENAME-1); |
| 256 /* strncpy doesnt append the trailing NULL, of the string is too long. *
/ |
| 257 filename_try[ MAXFILENAME ] = '\0'; |
| 258 |
| 259 len=(int)strlen(filename_try); |
| 260 for (i=0;i<len;i++) |
| 261 if (filename_try[i]=='.') |
| 262 dot_found=1; |
| 263 |
| 264 if (dot_found==0) |
| 265 strcat(filename_try,".zip"); |
| 266 |
| 267 if (opt_overwrite==2) |
| 268 { |
| 269 /* if the file don't exist, we not append file */ |
| 270 if (check_exist_file(filename_try)==0) |
| 271 opt_overwrite=1; |
| 272 } |
| 273 else |
| 274 if (opt_overwrite==0) |
| 275 if (check_exist_file(filename_try)!=0) |
| 276 { |
| 277 char rep=0; |
| 278 do |
| 279 { |
| 280 char answer[128]; |
| 281 int ret; |
| 282 printf("The file %s exists. Overwrite ? [y]es, [n]o, [a]ppen
d : ",filename_try); |
| 283 ret = scanf("%1s",answer); |
| 284 if (ret != 1) |
| 285 { |
| 286 exit(EXIT_FAILURE); |
| 287 } |
| 288 rep = answer[0] ; |
| 289 if ((rep>='a') && (rep<='z')) |
| 290 rep -= 0x20; |
| 291 } |
| 292 while ((rep!='Y') && (rep!='N') && (rep!='A')); |
| 293 if (rep=='N') |
| 294 zipok = 0; |
| 295 if (rep=='A') |
| 296 opt_overwrite = 2; |
| 297 } |
| 298 } |
| 299 |
| 300 if (zipok==1) |
| 301 { |
| 302 zipFile zf; |
| 303 int errclose; |
| 304 # ifdef USEWIN32IOAPI |
| 305 zlib_filefunc_def ffunc; |
| 306 fill_win32_filefunc(&ffunc); |
| 307 zf = zipOpen2(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc); |
| 308 # else |
| 309 zf = zipOpen(filename_try,(opt_overwrite==2) ? 2 : 0); |
| 310 # endif |
| 311 |
| 312 if (zf == NULL) |
| 313 { |
| 314 printf("error opening %s\n",filename_try); |
| 315 err= ZIP_ERRNO; |
| 316 } |
| 317 else |
| 318 printf("creating %s\n",filename_try); |
| 319 |
| 320 for (i=zipfilenamearg+1;(i<argc) && (err==ZIP_OK);i++) |
| 321 { |
| 322 if (!((((*(argv[i]))=='-') || ((*(argv[i]))=='/')) && |
| 323 ((argv[i][1]=='o') || (argv[i][1]=='O') || |
| 324 (argv[i][1]=='a') || (argv[i][1]=='A') || |
| 325 (argv[i][1]=='p') || (argv[i][1]=='P') || |
| 326 ((argv[i][1]>='0') || (argv[i][1]<='9'))) && |
| 327 (strlen(argv[i]) == 2))) |
| 328 { |
| 329 FILE * fin; |
| 330 int size_read; |
| 331 const char* filenameinzip = argv[i]; |
| 332 zip_fileinfo zi; |
| 333 unsigned long crcFile=0; |
| 334 |
| 335 zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour = |
| 336 zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year =
0; |
| 337 zi.dosDate = 0; |
| 338 zi.internal_fa = 0; |
| 339 zi.external_fa = 0; |
| 340 filetime(filenameinzip,&zi.tmz_date,&zi.dosDate); |
| 341 |
| 342 /* |
| 343 err = zipOpenNewFileInZip(zf,filenameinzip,&zi, |
| 344 NULL,0,NULL,0,NULL / * comment * /, |
| 345 (opt_compress_level != 0) ? Z_DEFLATED : 0, |
| 346 opt_compress_level); |
| 347 */ |
| 348 if ((password != NULL) && (err==ZIP_OK)) |
| 349 err = getFileCrc(filenameinzip,buf,size_buf,&crcFile); |
| 350 |
| 351 err = zipOpenNewFileInZip3(zf,filenameinzip,&zi, |
| 352 NULL,0,NULL,0,NULL /* comment*/, |
| 353 (opt_compress_level != 0) ? Z_DEFLATED : 0, |
| 354 opt_compress_level,0, |
| 355 /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEG
Y, */ |
| 356 -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, |
| 357 password,crcFile); |
| 358 |
| 359 if (err != ZIP_OK) |
| 360 printf("error in opening %s in zipfile\n",filenameinzip); |
| 361 else |
| 362 { |
| 363 fin = fopen(filenameinzip,"rb"); |
| 364 if (fin==NULL) |
| 365 { |
| 366 err=ZIP_ERRNO; |
| 367 printf("error in opening %s for reading\n",filenameinzip
); |
| 368 } |
| 369 } |
| 370 |
| 371 if (err == ZIP_OK) |
| 372 do |
| 373 { |
| 374 err = ZIP_OK; |
| 375 size_read = (int)fread(buf,1,size_buf,fin); |
| 376 if (size_read < size_buf) |
| 377 if (feof(fin)==0) |
| 378 { |
| 379 printf("error in reading %s\n",filenameinzip); |
| 380 err = ZIP_ERRNO; |
| 381 } |
| 382 |
| 383 if (size_read>0) |
| 384 { |
| 385 err = zipWriteInFileInZip (zf,buf,size_read); |
| 386 if (err<0) |
| 387 { |
| 388 printf("error in writing %s in the zipfile\n", |
| 389 filenameinzip); |
| 390 } |
| 391 |
| 392 } |
| 393 } while ((err == ZIP_OK) && (size_read>0)); |
| 394 |
| 395 if (fin) |
| 396 fclose(fin); |
| 397 |
| 398 if (err<0) |
| 399 err=ZIP_ERRNO; |
| 400 else |
| 401 { |
| 402 err = zipCloseFileInZip(zf); |
| 403 if (err!=ZIP_OK) |
| 404 printf("error in closing %s in the zipfile\n", |
| 405 filenameinzip); |
| 406 } |
| 407 } |
| 408 } |
| 409 errclose = zipClose(zf,NULL); |
| 410 if (errclose != ZIP_OK) |
| 411 printf("error in closing %s\n",filename_try); |
| 412 } |
| 413 else |
| 414 { |
| 415 do_help(); |
| 416 } |
| 417 |
| 418 free(buf); |
| 419 return 0; |
| 420 } |
OLD | NEW |