erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 1 | /* |
| 2 | miniunz.c |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 3 | Version 1.1, February 14h, 2010 |
| 4 | sample part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 5 | |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 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 ) |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 13 | */ |
| 14 | |
jiadong.zhu | 6c14216 | 2016-06-22 21:22:18 -0700 | [diff] [blame] | 15 | #if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 16 | #ifndef __USE_FILE_OFFSET64 |
| 17 | #define __USE_FILE_OFFSET64 |
| 18 | #endif |
| 19 | #ifndef __USE_LARGEFILE64 |
| 20 | #define __USE_LARGEFILE64 |
| 21 | #endif |
| 22 | #ifndef _LARGEFILE64_SOURCE |
| 23 | #define _LARGEFILE64_SOURCE |
| 24 | #endif |
| 25 | #ifndef _FILE_OFFSET_BIT |
| 26 | #define _FILE_OFFSET_BIT 64 |
| 27 | #endif |
| 28 | #endif |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 29 | |
jiadong.zhu | 6c14216 | 2016-06-22 21:22:18 -0700 | [diff] [blame] | 30 | #ifdef __APPLE__ |
| 31 | // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions |
| 32 | #define FOPEN_FUNC(filename, mode) fopen(filename, mode) |
| 33 | #define FTELLO_FUNC(stream) ftello(stream) |
| 34 | #define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin) |
| 35 | #else |
| 36 | #define FOPEN_FUNC(filename, mode) fopen64(filename, mode) |
| 37 | #define FTELLO_FUNC(stream) ftello64(stream) |
| 38 | #define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin) |
| 39 | #endif |
| 40 | |
| 41 | |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 42 | #include <stdio.h> |
| 43 | #include <stdlib.h> |
| 44 | #include <string.h> |
| 45 | #include <time.h> |
| 46 | #include <errno.h> |
| 47 | #include <fcntl.h> |
| 48 | |
jiadong.zhu | 6c14216 | 2016-06-22 21:22:18 -0700 | [diff] [blame] | 49 | #ifdef _WIN32 |
jmadill | bf2aebe | 2016-06-20 06:58:52 -0700 | [diff] [blame] | 50 | # include <direct.h> |
| 51 | # include <io.h> |
jiadong.zhu | 6c14216 | 2016-06-22 21:22:18 -0700 | [diff] [blame] | 52 | #else |
| 53 | # include <unistd.h> |
| 54 | # include <utime.h> |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 55 | #endif |
| 56 | |
jiadong.zhu | 6c14216 | 2016-06-22 21:22:18 -0700 | [diff] [blame] | 57 | |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 58 | #include "unzip.h" |
| 59 | |
| 60 | #define CASESENSITIVITY (0) |
| 61 | #define WRITEBUFFERSIZE (8192) |
| 62 | #define MAXFILENAME (256) |
| 63 | |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 64 | #ifdef _WIN32 |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 65 | #define USEWIN32IOAPI |
| 66 | #include "iowin32.h" |
| 67 | #endif |
| 68 | /* |
| 69 | mini unzip, demo of unzip package |
| 70 | |
| 71 | usage : |
| 72 | Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir] |
| 73 | |
| 74 | list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT |
| 75 | if it exists |
| 76 | */ |
| 77 | |
| 78 | |
| 79 | /* change_file_date : change the date/time of a file |
| 80 | filename : the filename of the file where date/time must be modified |
| 81 | dosdate : the new date at the MSDos format (4 bytes) |
| 82 | tmu_date : the SAME new date at the tm_unz format */ |
| 83 | void change_file_date(filename,dosdate,tmu_date) |
| 84 | const char *filename; |
| 85 | uLong dosdate; |
| 86 | tm_unz tmu_date; |
| 87 | { |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 88 | #ifdef _WIN32 |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 89 | HANDLE hFile; |
| 90 | FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite; |
| 91 | |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 92 | hFile = CreateFileA(filename,GENERIC_READ | GENERIC_WRITE, |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 93 | 0,NULL,OPEN_EXISTING,0,NULL); |
| 94 | GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite); |
| 95 | DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal); |
| 96 | LocalFileTimeToFileTime(&ftLocal,&ftm); |
| 97 | SetFileTime(hFile,&ftm,&ftLastAcc,&ftm); |
| 98 | CloseHandle(hFile); |
| 99 | #else |
jiadong.zhu | 6c14216 | 2016-06-22 21:22:18 -0700 | [diff] [blame] | 100 | #ifdef unix || __APPLE__ |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 101 | struct utimbuf ut; |
| 102 | struct tm newdate; |
| 103 | newdate.tm_sec = tmu_date.tm_sec; |
| 104 | newdate.tm_min=tmu_date.tm_min; |
| 105 | newdate.tm_hour=tmu_date.tm_hour; |
| 106 | newdate.tm_mday=tmu_date.tm_mday; |
| 107 | newdate.tm_mon=tmu_date.tm_mon; |
| 108 | if (tmu_date.tm_year > 1900) |
| 109 | newdate.tm_year=tmu_date.tm_year - 1900; |
| 110 | else |
| 111 | newdate.tm_year=tmu_date.tm_year ; |
| 112 | newdate.tm_isdst=-1; |
| 113 | |
| 114 | ut.actime=ut.modtime=mktime(&newdate); |
| 115 | utime(filename,&ut); |
| 116 | #endif |
| 117 | #endif |
| 118 | } |
| 119 | |
| 120 | |
| 121 | /* mymkdir and change_file_date are not 100 % portable |
| 122 | As I don't know well Unix, I wait feedback for the unix portion */ |
| 123 | |
| 124 | int mymkdir(dirname) |
| 125 | const char* dirname; |
| 126 | { |
| 127 | int ret=0; |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 128 | #ifdef _WIN32 |
| 129 | ret = _mkdir(dirname); |
jiadong.zhu | 6c14216 | 2016-06-22 21:22:18 -0700 | [diff] [blame] | 130 | #elif unix |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 131 | ret = mkdir (dirname,0775); |
jiadong.zhu | 6c14216 | 2016-06-22 21:22:18 -0700 | [diff] [blame] | 132 | #elif __APPLE__ |
| 133 | ret = mkdir (dirname,0775); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 134 | #endif |
| 135 | return ret; |
| 136 | } |
| 137 | |
| 138 | int makedir (newdir) |
| 139 | char *newdir; |
| 140 | { |
| 141 | char *buffer ; |
| 142 | char *p; |
| 143 | int len = (int)strlen(newdir); |
| 144 | |
| 145 | if (len <= 0) |
| 146 | return 0; |
| 147 | |
| 148 | buffer = (char*)malloc(len+1); |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 149 | if (buffer==NULL) |
| 150 | { |
| 151 | printf("Error allocating memory\n"); |
| 152 | return UNZ_INTERNALERROR; |
| 153 | } |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 154 | strcpy(buffer,newdir); |
| 155 | |
| 156 | if (buffer[len-1] == '/') { |
| 157 | buffer[len-1] = '\0'; |
| 158 | } |
| 159 | if (mymkdir(buffer) == 0) |
| 160 | { |
| 161 | free(buffer); |
| 162 | return 1; |
| 163 | } |
| 164 | |
| 165 | p = buffer+1; |
| 166 | while (1) |
| 167 | { |
| 168 | char hold; |
| 169 | |
| 170 | while(*p && *p != '\\' && *p != '/') |
| 171 | p++; |
| 172 | hold = *p; |
| 173 | *p = 0; |
| 174 | if ((mymkdir(buffer) == -1) && (errno == ENOENT)) |
| 175 | { |
| 176 | printf("couldn't create directory %s\n",buffer); |
| 177 | free(buffer); |
| 178 | return 0; |
| 179 | } |
| 180 | if (hold == 0) |
| 181 | break; |
| 182 | *p++ = hold; |
| 183 | } |
| 184 | free(buffer); |
| 185 | return 1; |
| 186 | } |
| 187 | |
| 188 | void do_banner() |
| 189 | { |
| 190 | printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n"); |
| 191 | printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); |
| 192 | } |
| 193 | |
| 194 | void do_help() |
| 195 | { |
| 196 | printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \ |
| 197 | " -e Extract without pathname (junk paths)\n" \ |
| 198 | " -x Extract with pathname\n" \ |
| 199 | " -v list files\n" \ |
| 200 | " -l list files\n" \ |
| 201 | " -d directory to extract into\n" \ |
| 202 | " -o overwrite files without prompting\n" \ |
| 203 | " -p extract crypted file using password\n\n"); |
| 204 | } |
| 205 | |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 206 | void Display64BitsSize(ZPOS64_T n, int size_char) |
| 207 | { |
| 208 | /* to avoid compatibility problem , we do here the conversion */ |
| 209 | char number[21]; |
| 210 | int offset=19; |
| 211 | int pos_string = 19; |
| 212 | number[20]=0; |
| 213 | for (;;) { |
| 214 | number[offset]=(char)((n%10)+'0'); |
| 215 | if (number[offset] != '0') |
| 216 | pos_string=offset; |
| 217 | n/=10; |
| 218 | if (offset==0) |
| 219 | break; |
| 220 | offset--; |
| 221 | } |
| 222 | { |
| 223 | int size_display_string = 19-pos_string; |
| 224 | while (size_char > size_display_string) |
| 225 | { |
| 226 | size_char--; |
| 227 | printf(" "); |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | printf("%s",&number[pos_string]); |
| 232 | } |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 233 | |
| 234 | int do_list(uf) |
| 235 | unzFile uf; |
| 236 | { |
| 237 | uLong i; |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 238 | unz_global_info64 gi; |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 239 | int err; |
| 240 | |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 241 | err = unzGetGlobalInfo64(uf,&gi); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 242 | if (err!=UNZ_OK) |
| 243 | printf("error %d with zipfile in unzGetGlobalInfo \n",err); |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 244 | printf(" Length Method Size Ratio Date Time CRC-32 Name\n"); |
| 245 | printf(" ------ ------ ---- ----- ---- ---- ------ ----\n"); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 246 | for (i=0;i<gi.number_entry;i++) |
| 247 | { |
| 248 | char filename_inzip[256]; |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 249 | unz_file_info64 file_info; |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 250 | uLong ratio=0; |
| 251 | const char *string_method; |
| 252 | char charCrypt=' '; |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 253 | err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 254 | if (err!=UNZ_OK) |
| 255 | { |
| 256 | printf("error %d with zipfile in unzGetCurrentFileInfo\n",err); |
| 257 | break; |
| 258 | } |
| 259 | if (file_info.uncompressed_size>0) |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 260 | ratio = (uLong)((file_info.compressed_size*100)/file_info.uncompressed_size); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 261 | |
| 262 | /* display a '*' if the file is crypted */ |
| 263 | if ((file_info.flag & 1) != 0) |
| 264 | charCrypt='*'; |
| 265 | |
| 266 | if (file_info.compression_method==0) |
| 267 | string_method="Stored"; |
| 268 | else |
| 269 | if (file_info.compression_method==Z_DEFLATED) |
| 270 | { |
| 271 | uInt iLevel=(uInt)((file_info.flag & 0x6)/2); |
| 272 | if (iLevel==0) |
| 273 | string_method="Defl:N"; |
| 274 | else if (iLevel==1) |
| 275 | string_method="Defl:X"; |
| 276 | else if ((iLevel==2) || (iLevel==3)) |
| 277 | string_method="Defl:F"; /* 2:fast , 3 : extra fast*/ |
| 278 | } |
| 279 | else |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 280 | if (file_info.compression_method==Z_BZIP2ED) |
| 281 | { |
| 282 | string_method="BZip2 "; |
| 283 | } |
| 284 | else |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 285 | string_method="Unkn. "; |
| 286 | |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 287 | Display64BitsSize(file_info.uncompressed_size,7); |
| 288 | printf(" %6s%c",string_method,charCrypt); |
| 289 | Display64BitsSize(file_info.compressed_size,7); |
| 290 | printf(" %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n", |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 291 | ratio, |
| 292 | (uLong)file_info.tmu_date.tm_mon + 1, |
| 293 | (uLong)file_info.tmu_date.tm_mday, |
| 294 | (uLong)file_info.tmu_date.tm_year % 100, |
| 295 | (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min, |
| 296 | (uLong)file_info.crc,filename_inzip); |
| 297 | if ((i+1)<gi.number_entry) |
| 298 | { |
| 299 | err = unzGoToNextFile(uf); |
| 300 | if (err!=UNZ_OK) |
| 301 | { |
| 302 | printf("error %d with zipfile in unzGoToNextFile\n",err); |
| 303 | break; |
| 304 | } |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | return 0; |
| 309 | } |
| 310 | |
| 311 | |
| 312 | int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) |
| 313 | unzFile uf; |
| 314 | const int* popt_extract_without_path; |
| 315 | int* popt_overwrite; |
| 316 | const char* password; |
| 317 | { |
| 318 | char filename_inzip[256]; |
| 319 | char* filename_withoutpath; |
| 320 | char* p; |
| 321 | int err=UNZ_OK; |
| 322 | FILE *fout=NULL; |
| 323 | void* buf; |
| 324 | uInt size_buf; |
| 325 | |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 326 | unz_file_info64 file_info; |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 327 | uLong ratio=0; |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 328 | err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 329 | |
| 330 | if (err!=UNZ_OK) |
| 331 | { |
| 332 | printf("error %d with zipfile in unzGetCurrentFileInfo\n",err); |
| 333 | return err; |
| 334 | } |
| 335 | |
| 336 | size_buf = WRITEBUFFERSIZE; |
| 337 | buf = (void*)malloc(size_buf); |
| 338 | if (buf==NULL) |
| 339 | { |
| 340 | printf("Error allocating memory\n"); |
| 341 | return UNZ_INTERNALERROR; |
| 342 | } |
| 343 | |
| 344 | p = filename_withoutpath = filename_inzip; |
| 345 | while ((*p) != '\0') |
| 346 | { |
| 347 | if (((*p)=='/') || ((*p)=='\\')) |
| 348 | filename_withoutpath = p+1; |
| 349 | p++; |
| 350 | } |
| 351 | |
| 352 | if ((*filename_withoutpath)=='\0') |
| 353 | { |
| 354 | if ((*popt_extract_without_path)==0) |
| 355 | { |
| 356 | printf("creating directory: %s\n",filename_inzip); |
| 357 | mymkdir(filename_inzip); |
| 358 | } |
| 359 | } |
| 360 | else |
| 361 | { |
| 362 | const char* write_filename; |
| 363 | int skip=0; |
| 364 | |
| 365 | if ((*popt_extract_without_path)==0) |
| 366 | write_filename = filename_inzip; |
| 367 | else |
| 368 | write_filename = filename_withoutpath; |
| 369 | |
| 370 | err = unzOpenCurrentFilePassword(uf,password); |
| 371 | if (err!=UNZ_OK) |
| 372 | { |
| 373 | printf("error %d with zipfile in unzOpenCurrentFilePassword\n",err); |
| 374 | } |
| 375 | |
| 376 | if (((*popt_overwrite)==0) && (err==UNZ_OK)) |
| 377 | { |
| 378 | char rep=0; |
| 379 | FILE* ftestexist; |
jiadong.zhu | 6c14216 | 2016-06-22 21:22:18 -0700 | [diff] [blame] | 380 | ftestexist = FOPEN_FUNC(write_filename,"rb"); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 381 | if (ftestexist!=NULL) |
| 382 | { |
| 383 | fclose(ftestexist); |
| 384 | do |
| 385 | { |
| 386 | char answer[128]; |
| 387 | int ret; |
| 388 | |
| 389 | printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename); |
| 390 | ret = scanf("%1s",answer); |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 391 | if (ret != 1) |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 392 | { |
| 393 | exit(EXIT_FAILURE); |
| 394 | } |
| 395 | rep = answer[0] ; |
| 396 | if ((rep>='a') && (rep<='z')) |
| 397 | rep -= 0x20; |
| 398 | } |
| 399 | while ((rep!='Y') && (rep!='N') && (rep!='A')); |
| 400 | } |
| 401 | |
| 402 | if (rep == 'N') |
| 403 | skip = 1; |
| 404 | |
| 405 | if (rep == 'A') |
| 406 | *popt_overwrite=1; |
| 407 | } |
| 408 | |
| 409 | if ((skip==0) && (err==UNZ_OK)) |
| 410 | { |
jiadong.zhu | 6c14216 | 2016-06-22 21:22:18 -0700 | [diff] [blame] | 411 | fout=FOPEN_FUNC(write_filename,"wb"); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 412 | /* some zipfile don't contain directory alone before file */ |
| 413 | if ((fout==NULL) && ((*popt_extract_without_path)==0) && |
| 414 | (filename_withoutpath!=(char*)filename_inzip)) |
| 415 | { |
| 416 | char c=*(filename_withoutpath-1); |
| 417 | *(filename_withoutpath-1)='\0'; |
| 418 | makedir(write_filename); |
| 419 | *(filename_withoutpath-1)=c; |
jiadong.zhu | 6c14216 | 2016-06-22 21:22:18 -0700 | [diff] [blame] | 420 | fout=FOPEN_FUNC(write_filename,"wb"); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 421 | } |
| 422 | |
| 423 | if (fout==NULL) |
| 424 | { |
| 425 | printf("error opening %s\n",write_filename); |
| 426 | } |
| 427 | } |
| 428 | |
| 429 | if (fout!=NULL) |
| 430 | { |
| 431 | printf(" extracting: %s\n",write_filename); |
| 432 | |
| 433 | do |
| 434 | { |
| 435 | err = unzReadCurrentFile(uf,buf,size_buf); |
| 436 | if (err<0) |
| 437 | { |
| 438 | printf("error %d with zipfile in unzReadCurrentFile\n",err); |
| 439 | break; |
| 440 | } |
| 441 | if (err>0) |
| 442 | if (fwrite(buf,err,1,fout)!=1) |
| 443 | { |
| 444 | printf("error in writing extracted file\n"); |
| 445 | err=UNZ_ERRNO; |
| 446 | break; |
| 447 | } |
| 448 | } |
| 449 | while (err>0); |
| 450 | if (fout) |
| 451 | fclose(fout); |
| 452 | |
| 453 | if (err==0) |
| 454 | change_file_date(write_filename,file_info.dosDate, |
| 455 | file_info.tmu_date); |
| 456 | } |
| 457 | |
| 458 | if (err==UNZ_OK) |
| 459 | { |
| 460 | err = unzCloseCurrentFile (uf); |
| 461 | if (err!=UNZ_OK) |
| 462 | { |
| 463 | printf("error %d with zipfile in unzCloseCurrentFile\n",err); |
| 464 | } |
| 465 | } |
| 466 | else |
| 467 | unzCloseCurrentFile(uf); /* don't lose the error */ |
| 468 | } |
| 469 | |
| 470 | free(buf); |
| 471 | return err; |
| 472 | } |
| 473 | |
| 474 | |
| 475 | int do_extract(uf,opt_extract_without_path,opt_overwrite,password) |
| 476 | unzFile uf; |
| 477 | int opt_extract_without_path; |
| 478 | int opt_overwrite; |
| 479 | const char* password; |
| 480 | { |
| 481 | uLong i; |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 482 | unz_global_info64 gi; |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 483 | int err; |
| 484 | FILE* fout=NULL; |
| 485 | |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 486 | err = unzGetGlobalInfo64(uf,&gi); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 487 | if (err!=UNZ_OK) |
| 488 | printf("error %d with zipfile in unzGetGlobalInfo \n",err); |
| 489 | |
| 490 | for (i=0;i<gi.number_entry;i++) |
| 491 | { |
| 492 | if (do_extract_currentfile(uf,&opt_extract_without_path, |
| 493 | &opt_overwrite, |
| 494 | password) != UNZ_OK) |
| 495 | break; |
| 496 | |
| 497 | if ((i+1)<gi.number_entry) |
| 498 | { |
| 499 | err = unzGoToNextFile(uf); |
| 500 | if (err!=UNZ_OK) |
| 501 | { |
| 502 | printf("error %d with zipfile in unzGoToNextFile\n",err); |
| 503 | break; |
| 504 | } |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | return 0; |
| 509 | } |
| 510 | |
| 511 | int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,password) |
| 512 | unzFile uf; |
| 513 | const char* filename; |
| 514 | int opt_extract_without_path; |
| 515 | int opt_overwrite; |
| 516 | const char* password; |
| 517 | { |
| 518 | int err = UNZ_OK; |
| 519 | if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK) |
| 520 | { |
| 521 | printf("file %s not found in the zipfile\n",filename); |
| 522 | return 2; |
| 523 | } |
| 524 | |
| 525 | if (do_extract_currentfile(uf,&opt_extract_without_path, |
| 526 | &opt_overwrite, |
| 527 | password) == UNZ_OK) |
| 528 | return 0; |
| 529 | else |
| 530 | return 1; |
| 531 | } |
| 532 | |
| 533 | |
| 534 | int main(argc,argv) |
| 535 | int argc; |
| 536 | char *argv[]; |
| 537 | { |
| 538 | const char *zipfilename=NULL; |
| 539 | const char *filename_to_extract=NULL; |
| 540 | const char *password=NULL; |
| 541 | char filename_try[MAXFILENAME+16] = ""; |
| 542 | int i; |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 543 | int ret_value=0; |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 544 | int opt_do_list=0; |
| 545 | int opt_do_extract=1; |
| 546 | int opt_do_extract_withoutpath=0; |
| 547 | int opt_overwrite=0; |
| 548 | int opt_extractdir=0; |
| 549 | const char *dirname=NULL; |
| 550 | unzFile uf=NULL; |
| 551 | |
| 552 | do_banner(); |
| 553 | if (argc==1) |
| 554 | { |
| 555 | do_help(); |
| 556 | return 0; |
| 557 | } |
| 558 | else |
| 559 | { |
| 560 | for (i=1;i<argc;i++) |
| 561 | { |
| 562 | if ((*argv[i])=='-') |
| 563 | { |
| 564 | const char *p=argv[i]+1; |
| 565 | |
| 566 | while ((*p)!='\0') |
| 567 | { |
| 568 | char c=*(p++);; |
| 569 | if ((c=='l') || (c=='L')) |
| 570 | opt_do_list = 1; |
| 571 | if ((c=='v') || (c=='V')) |
| 572 | opt_do_list = 1; |
| 573 | if ((c=='x') || (c=='X')) |
| 574 | opt_do_extract = 1; |
| 575 | if ((c=='e') || (c=='E')) |
| 576 | opt_do_extract = opt_do_extract_withoutpath = 1; |
| 577 | if ((c=='o') || (c=='O')) |
| 578 | opt_overwrite=1; |
| 579 | if ((c=='d') || (c=='D')) |
| 580 | { |
| 581 | opt_extractdir=1; |
| 582 | dirname=argv[i+1]; |
| 583 | } |
| 584 | |
| 585 | if (((c=='p') || (c=='P')) && (i+1<argc)) |
| 586 | { |
| 587 | password=argv[i+1]; |
| 588 | i++; |
| 589 | } |
| 590 | } |
| 591 | } |
| 592 | else |
| 593 | { |
| 594 | if (zipfilename == NULL) |
| 595 | zipfilename = argv[i]; |
| 596 | else if ((filename_to_extract==NULL) && (!opt_extractdir)) |
| 597 | filename_to_extract = argv[i] ; |
| 598 | } |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | if (zipfilename!=NULL) |
| 603 | { |
| 604 | |
| 605 | # ifdef USEWIN32IOAPI |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 606 | zlib_filefunc64_def ffunc; |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 607 | # endif |
| 608 | |
| 609 | strncpy(filename_try, zipfilename,MAXFILENAME-1); |
| 610 | /* strncpy doesnt append the trailing NULL, of the string is too long. */ |
| 611 | filename_try[ MAXFILENAME ] = '\0'; |
| 612 | |
| 613 | # ifdef USEWIN32IOAPI |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 614 | fill_win32_filefunc64A(&ffunc); |
| 615 | uf = unzOpen2_64(zipfilename,&ffunc); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 616 | # else |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 617 | uf = unzOpen64(zipfilename); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 618 | # endif |
| 619 | if (uf==NULL) |
| 620 | { |
| 621 | strcat(filename_try,".zip"); |
| 622 | # ifdef USEWIN32IOAPI |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 623 | uf = unzOpen2_64(filename_try,&ffunc); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 624 | # else |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 625 | uf = unzOpen64(filename_try); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 626 | # endif |
| 627 | } |
| 628 | } |
| 629 | |
| 630 | if (uf==NULL) |
| 631 | { |
| 632 | printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename); |
| 633 | return 1; |
| 634 | } |
| 635 | printf("%s opened\n",filename_try); |
| 636 | |
| 637 | if (opt_do_list==1) |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 638 | ret_value = do_list(uf); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 639 | else if (opt_do_extract==1) |
| 640 | { |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 641 | #ifdef _WIN32 |
| 642 | if (opt_extractdir && _chdir(dirname)) |
| 643 | #else |
| 644 | if (opt_extractdir && chdir(dirname)) |
| 645 | #endif |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 646 | { |
| 647 | printf("Error changing into %s, aborting\n", dirname); |
| 648 | exit(-1); |
| 649 | } |
| 650 | |
| 651 | if (filename_to_extract == NULL) |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 652 | ret_value = do_extract(uf, opt_do_extract_withoutpath, opt_overwrite, password); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 653 | else |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 654 | ret_value = do_extract_onefile(uf, filename_to_extract, opt_do_extract_withoutpath, opt_overwrite, password); |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 655 | } |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 656 | |
hbono@chromium.org | d2dc209 | 2011-12-12 08:48:38 +0000 | [diff] [blame] | 657 | unzClose(uf); |
| 658 | |
| 659 | return ret_value; |
erikkay@google.com | 19ba4a5 | 2008-12-30 00:40:04 +0000 | [diff] [blame] | 660 | } |