00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015 #ifndef _WIN32
00016 #ifndef __USE_FILE_OFFSET64
00017 #define __USE_FILE_OFFSET64
00018 #endif
00019 #ifndef __USE_LARGEFILE64
00020 #define __USE_LARGEFILE64
00021 #endif
00022 #ifndef _LARGEFILE64_SOURCE
00023 #define _LARGEFILE64_SOURCE
00024 #endif
00025 #ifndef _FILE_OFFSET_BIT
00026 #define _FILE_OFFSET_BIT 64
00027 #endif
00028 #endif
00029
00030 #include <stdio.h>
00031 #include <stdlib.h>
00032 #include <string.h>
00033 #include <time.h>
00034 #include <errno.h>
00035 #include <fcntl.h>
00036
00037 #ifdef unix
00038 # include <unistd.h>
00039 # include <utime.h>
00040 #else
00041 # include <direct.h>
00042 # include <io.h>
00043 #endif
00044
00045 #include "unzip.h"
00046
00047 #define CASESENSITIVITY (0)
00048 #define WRITEBUFFERSIZE (8192)
00049 #define MAXFILENAME (256)
00050
00051 #ifdef _WIN32
00052 #define USEWIN32IOAPI
00053 #include "iowin32.h"
00054 #endif
00055
00056
00057
00058
00059
00060
00061
00062
00063
00064
00065
00066
00067
00068
00069
00070 void change_file_date(filename,dosdate,tmu_date)
00071 const char *filename;
00072 uLong dosdate;
00073 tm_unz tmu_date;
00074 {
00075 #ifdef _WIN32
00076 HANDLE hFile;
00077 FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite;
00078
00079 hFile = CreateFileA(filename,GENERIC_READ | GENERIC_WRITE,
00080 0,NULL,OPEN_EXISTING,0,NULL);
00081 GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite);
00082 DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal);
00083 LocalFileTimeToFileTime(&ftLocal,&ftm);
00084 SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
00085 CloseHandle(hFile);
00086 #else
00087 #ifdef unix
00088 struct utimbuf ut;
00089 struct tm newdate;
00090 newdate.tm_sec = tmu_date.tm_sec;
00091 newdate.tm_min=tmu_date.tm_min;
00092 newdate.tm_hour=tmu_date.tm_hour;
00093 newdate.tm_mday=tmu_date.tm_mday;
00094 newdate.tm_mon=tmu_date.tm_mon;
00095 if (tmu_date.tm_year > 1900)
00096 newdate.tm_year=tmu_date.tm_year - 1900;
00097 else
00098 newdate.tm_year=tmu_date.tm_year ;
00099 newdate.tm_isdst=-1;
00100
00101 ut.actime=ut.modtime=mktime(&newdate);
00102 utime(filename,&ut);
00103 #endif
00104 #endif
00105 }
00106
00107
00108
00109
00110
00111 int mymkdir(dirname)
00112 const char* dirname;
00113 {
00114 int ret=0;
00115 #ifdef _WIN32
00116 ret = _mkdir(dirname);
00117 #else
00118 #ifdef unix
00119 ret = mkdir (dirname,0775);
00120 #endif
00121 #endif
00122 return ret;
00123 }
00124
00125 int makedir (newdir)
00126 char *newdir;
00127 {
00128 char *buffer ;
00129 char *p;
00130 int len = (int)strlen(newdir);
00131
00132 if (len <= 0)
00133 return 0;
00134
00135 buffer = (char*)malloc(len+1);
00136 if (buffer==NULL)
00137 {
00138 printf("Error allocating memory\n");
00139 return UNZ_INTERNALERROR;
00140 }
00141 strcpy(buffer,newdir);
00142
00143 if (buffer[len-1] == '/') {
00144 buffer[len-1] = '\0';
00145 }
00146 if (mymkdir(buffer) == 0)
00147 {
00148 free(buffer);
00149 return 1;
00150 }
00151
00152 p = buffer+1;
00153 while (1)
00154 {
00155 char hold;
00156
00157 while(*p && *p != '\\' && *p != '/')
00158 p++;
00159 hold = *p;
00160 *p = 0;
00161 if ((mymkdir(buffer) == -1) && (errno == ENOENT))
00162 {
00163 printf("couldn't create directory %s\n",buffer);
00164 free(buffer);
00165 return 0;
00166 }
00167 if (hold == 0)
00168 break;
00169 *p++ = hold;
00170 }
00171 free(buffer);
00172 return 1;
00173 }
00174
00175 void do_banner()
00176 {
00177 printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n");
00178 printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n");
00179 }
00180
00181 void do_help()
00182 {
00183 printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \
00184 " -e Extract without pathname (junk paths)\n" \
00185 " -x Extract with pathname\n" \
00186 " -v list files\n" \
00187 " -l list files\n" \
00188 " -d directory to extract into\n" \
00189 " -o overwrite files without prompting\n" \
00190 " -p extract crypted file using password\n\n");
00191 }
00192
00193 void Display64BitsSize(ZPOS64_T n, int size_char)
00194 {
00195
00196 char number[21];
00197 int offset=19;
00198 int pos_string = 19;
00199 number[20]=0;
00200 for (;;) {
00201 number[offset]=(char)((n%10)+'0');
00202 if (number[offset] != '0')
00203 pos_string=offset;
00204 n/=10;
00205 if (offset==0)
00206 break;
00207 offset--;
00208 }
00209 {
00210 int size_display_string = 19-pos_string;
00211 while (size_char > size_display_string)
00212 {
00213 size_char--;
00214 printf(" ");
00215 }
00216 }
00217
00218 printf("%s",&number[pos_string]);
00219 }
00220
00221 int do_list(uf)
00222 unzFile uf;
00223 {
00224 uLong i;
00225 unz_global_info64 gi;
00226 int err;
00227
00228 err = unzGetGlobalInfo64(uf,&gi);
00229 if (err!=UNZ_OK)
00230 printf("error %d with zipfile in unzGetGlobalInfo \n",err);
00231 printf(" Length Method Size Ratio Date Time CRC-32 Name\n");
00232 printf(" ------ ------ ---- ----- ---- ---- ------ ----\n");
00233 for (i=0;i<gi.number_entry;i++)
00234 {
00235 char filename_inzip[256];
00236 unz_file_info64 file_info;
00237 uLong ratio=0;
00238 const char *string_method;
00239 char charCrypt=' ';
00240 err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
00241 if (err!=UNZ_OK)
00242 {
00243 printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
00244 break;
00245 }
00246 if (file_info.uncompressed_size>0)
00247 ratio = (uLong)((file_info.compressed_size*100)/file_info.uncompressed_size);
00248
00249
00250 if ((file_info.flag & 1) != 0)
00251 charCrypt='*';
00252
00253 if (file_info.compression_method==0)
00254 string_method="Stored";
00255 else
00256 if (file_info.compression_method==Z_DEFLATED)
00257 {
00258 uInt iLevel=(uInt)((file_info.flag & 0x6)/2);
00259 if (iLevel==0)
00260 string_method="Defl:N";
00261 else if (iLevel==1)
00262 string_method="Defl:X";
00263 else if ((iLevel==2) || (iLevel==3))
00264 string_method="Defl:F";
00265 }
00266 else
00267 if (file_info.compression_method==Z_BZIP2ED)
00268 {
00269 string_method="BZip2 ";
00270 }
00271 else
00272 string_method="Unkn. ";
00273
00274 Display64BitsSize(file_info.uncompressed_size,7);
00275 printf(" %6s%c",string_method,charCrypt);
00276 Display64BitsSize(file_info.compressed_size,7);
00277 printf(" %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n",
00278 ratio,
00279 (uLong)file_info.tmu_date.tm_mon + 1,
00280 (uLong)file_info.tmu_date.tm_mday,
00281 (uLong)file_info.tmu_date.tm_year % 100,
00282 (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min,
00283 (uLong)file_info.crc,filename_inzip);
00284 if ((i+1)<gi.number_entry)
00285 {
00286 err = unzGoToNextFile(uf);
00287 if (err!=UNZ_OK)
00288 {
00289 printf("error %d with zipfile in unzGoToNextFile\n",err);
00290 break;
00291 }
00292 }
00293 }
00294
00295 return 0;
00296 }
00297
00298
00299 int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
00300 unzFile uf;
00301 const int* popt_extract_without_path;
00302 int* popt_overwrite;
00303 const char* password;
00304 {
00305 char filename_inzip[256];
00306 char* filename_withoutpath;
00307 char* p;
00308 int err=UNZ_OK;
00309 FILE *fout=NULL;
00310 void* buf;
00311 uInt size_buf;
00312
00313 unz_file_info64 file_info;
00314 uLong ratio=0;
00315 err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
00316
00317 if (err!=UNZ_OK)
00318 {
00319 printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
00320 return err;
00321 }
00322
00323 size_buf = WRITEBUFFERSIZE;
00324 buf = (void*)malloc(size_buf);
00325 if (buf==NULL)
00326 {
00327 printf("Error allocating memory\n");
00328 return UNZ_INTERNALERROR;
00329 }
00330
00331 p = filename_withoutpath = filename_inzip;
00332 while ((*p) != '\0')
00333 {
00334 if (((*p)=='/') || ((*p)=='\\'))
00335 filename_withoutpath = p+1;
00336 p++;
00337 }
00338
00339 if ((*filename_withoutpath)=='\0')
00340 {
00341 if ((*popt_extract_without_path)==0)
00342 {
00343 printf("creating directory: %s\n",filename_inzip);
00344 mymkdir(filename_inzip);
00345 }
00346 }
00347 else
00348 {
00349 const char* write_filename;
00350 int skip=0;
00351
00352 if ((*popt_extract_without_path)==0)
00353 write_filename = filename_inzip;
00354 else
00355 write_filename = filename_withoutpath;
00356
00357 err = unzOpenCurrentFilePassword(uf,password);
00358 if (err!=UNZ_OK)
00359 {
00360 printf("error %d with zipfile in unzOpenCurrentFilePassword\n",err);
00361 }
00362
00363 if (((*popt_overwrite)==0) && (err==UNZ_OK))
00364 {
00365 char rep=0;
00366 FILE* ftestexist;
00367 ftestexist = fopen64(write_filename,"rb");
00368 if (ftestexist!=NULL)
00369 {
00370 fclose(ftestexist);
00371 do
00372 {
00373 char answer[128];
00374 int ret;
00375
00376 printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename);
00377 ret = scanf("%1s",answer);
00378 if (ret != 1)
00379 {
00380 exit(EXIT_FAILURE);
00381 }
00382 rep = answer[0] ;
00383 if ((rep>='a') && (rep<='z'))
00384 rep -= 0x20;
00385 }
00386 while ((rep!='Y') && (rep!='N') && (rep!='A'));
00387 }
00388
00389 if (rep == 'N')
00390 skip = 1;
00391
00392 if (rep == 'A')
00393 *popt_overwrite=1;
00394 }
00395
00396 if ((skip==0) && (err==UNZ_OK))
00397 {
00398 fout=fopen64(write_filename,"wb");
00399
00400
00401 if ((fout==NULL) && ((*popt_extract_without_path)==0) &&
00402 (filename_withoutpath!=(char*)filename_inzip))
00403 {
00404 char c=*(filename_withoutpath-1);
00405 *(filename_withoutpath-1)='\0';
00406 makedir(write_filename);
00407 *(filename_withoutpath-1)=c;
00408 fout=fopen64(write_filename,"wb");
00409 }
00410
00411 if (fout==NULL)
00412 {
00413 printf("error opening %s\n",write_filename);
00414 }
00415 }
00416
00417 if (fout!=NULL)
00418 {
00419 printf(" extracting: %s\n",write_filename);
00420
00421 do
00422 {
00423 err = unzReadCurrentFile(uf,buf,size_buf);
00424 if (err<0)
00425 {
00426 printf("error %d with zipfile in unzReadCurrentFile\n",err);
00427 break;
00428 }
00429 if (err>0)
00430 if (fwrite(buf,err,1,fout)!=1)
00431 {
00432 printf("error in writing extracted file\n");
00433 err=UNZ_ERRNO;
00434 break;
00435 }
00436 }
00437 while (err>0);
00438 if (fout)
00439 fclose(fout);
00440
00441 if (err==0)
00442 change_file_date(write_filename,file_info.dosDate,
00443 file_info.tmu_date);
00444 }
00445
00446 if (err==UNZ_OK)
00447 {
00448 err = unzCloseCurrentFile (uf);
00449 if (err!=UNZ_OK)
00450 {
00451 printf("error %d with zipfile in unzCloseCurrentFile\n",err);
00452 }
00453 }
00454 else
00455 unzCloseCurrentFile(uf);
00456 }
00457
00458 free(buf);
00459 return err;
00460 }
00461
00462
00463 int do_extract(uf,opt_extract_without_path,opt_overwrite,password)
00464 unzFile uf;
00465 int opt_extract_without_path;
00466 int opt_overwrite;
00467 const char* password;
00468 {
00469 uLong i;
00470 unz_global_info64 gi;
00471 int err;
00472 FILE* fout=NULL;
00473
00474 err = unzGetGlobalInfo64(uf,&gi);
00475 if (err!=UNZ_OK)
00476 printf("error %d with zipfile in unzGetGlobalInfo \n",err);
00477
00478 for (i=0;i<gi.number_entry;i++)
00479 {
00480 if (do_extract_currentfile(uf,&opt_extract_without_path,
00481 &opt_overwrite,
00482 password) != UNZ_OK)
00483 break;
00484
00485 if ((i+1)<gi.number_entry)
00486 {
00487 err = unzGoToNextFile(uf);
00488 if (err!=UNZ_OK)
00489 {
00490 printf("error %d with zipfile in unzGoToNextFile\n",err);
00491 break;
00492 }
00493 }
00494 }
00495
00496 return 0;
00497 }
00498
00499 int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,password)
00500 unzFile uf;
00501 const char* filename;
00502 int opt_extract_without_path;
00503 int opt_overwrite;
00504 const char* password;
00505 {
00506 int err = UNZ_OK;
00507 if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK)
00508 {
00509 printf("file %s not found in the zipfile\n",filename);
00510 return 2;
00511 }
00512
00513 if (do_extract_currentfile(uf,&opt_extract_without_path,
00514 &opt_overwrite,
00515 password) == UNZ_OK)
00516 return 0;
00517 else
00518 return 1;
00519 }
00520
00521
00522 int main(argc,argv)
00523 int argc;
00524 char *argv[];
00525 {
00526 const char *zipfilename=NULL;
00527 const char *filename_to_extract=NULL;
00528 const char *password=NULL;
00529 char filename_try[MAXFILENAME+16] = "";
00530 int i;
00531 int ret_value=0;
00532 int opt_do_list=0;
00533 int opt_do_extract=1;
00534 int opt_do_extract_withoutpath=0;
00535 int opt_overwrite=0;
00536 int opt_extractdir=0;
00537 const char *dirname=NULL;
00538 unzFile uf=NULL;
00539
00540 do_banner();
00541 if (argc==1)
00542 {
00543 do_help();
00544 return 0;
00545 }
00546 else
00547 {
00548 for (i=1;i<argc;i++)
00549 {
00550 if ((*argv[i])=='-')
00551 {
00552 const char *p=argv[i]+1;
00553
00554 while ((*p)!='\0')
00555 {
00556 char c=*(p++);;
00557 if ((c=='l') || (c=='L'))
00558 opt_do_list = 1;
00559 if ((c=='v') || (c=='V'))
00560 opt_do_list = 1;
00561 if ((c=='x') || (c=='X'))
00562 opt_do_extract = 1;
00563 if ((c=='e') || (c=='E'))
00564 opt_do_extract = opt_do_extract_withoutpath = 1;
00565 if ((c=='o') || (c=='O'))
00566 opt_overwrite=1;
00567 if ((c=='d') || (c=='D'))
00568 {
00569 opt_extractdir=1;
00570 dirname=argv[i+1];
00571 }
00572
00573 if (((c=='p') || (c=='P')) && (i+1<argc))
00574 {
00575 password=argv[i+1];
00576 i++;
00577 }
00578 }
00579 }
00580 else
00581 {
00582 if (zipfilename == NULL)
00583 zipfilename = argv[i];
00584 else if ((filename_to_extract==NULL) && (!opt_extractdir))
00585 filename_to_extract = argv[i] ;
00586 }
00587 }
00588 }
00589
00590 if (zipfilename!=NULL)
00591 {
00592
00593 # ifdef USEWIN32IOAPI
00594 zlib_filefunc64_def ffunc;
00595 # endif
00596
00597 strncpy(filename_try, zipfilename,MAXFILENAME-1);
00598
00599 filename_try[ MAXFILENAME ] = '\0';
00600
00601 # ifdef USEWIN32IOAPI
00602 fill_win32_filefunc64A(&ffunc);
00603 uf = unzOpen2_64(zipfilename,&ffunc);
00604 # else
00605 uf = unzOpen64(zipfilename);
00606 # endif
00607 if (uf==NULL)
00608 {
00609 strcat(filename_try,".zip");
00610 # ifdef USEWIN32IOAPI
00611 uf = unzOpen2_64(filename_try,&ffunc);
00612 # else
00613 uf = unzOpen64(filename_try);
00614 # endif
00615 }
00616 }
00617
00618 if (uf==NULL)
00619 {
00620 printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename);
00621 return 1;
00622 }
00623 printf("%s opened\n",filename_try);
00624
00625 if (opt_do_list==1)
00626 ret_value = do_list(uf);
00627 else if (opt_do_extract==1)
00628 {
00629 #ifdef _WIN32
00630 if (opt_extractdir && _chdir(dirname))
00631 #else
00632 if (opt_extractdir && chdir(dirname))
00633 #endif
00634 {
00635 printf("Error changing into %s, aborting\n", dirname);
00636 exit(-1);
00637 }
00638
00639 if (filename_to_extract == NULL)
00640 ret_value = do_extract(uf, opt_do_extract_withoutpath, opt_overwrite, password);
00641 else
00642 ret_value = do_extract_onefile(uf, filename_to_extract, opt_do_extract_withoutpath, opt_overwrite, password);
00643 }
00644
00645 unzClose(uf);
00646
00647 return ret_value;
00648 }