|
1
|
/* |
|
2
|
miniunz.c |
|
3
|
sample part of the MiniZip project - ( https://www.winimage.com/zLibDll/minizip.html ) |
|
4
|
|
|
5
|
Copyright (C) 1998-2026 Gilles Vollant (minizip) ( https://www.winimage.com/zLibDll/minizip.html ) |
|
6
|
|
|
7
|
Modifications of Unzip for Zip64 |
|
8
|
Copyright (C) 2007-2008 Even Rouault |
|
9
|
|
|
10
|
Modifications for Zip64 support on both zip and unzip |
|
11
|
Copyright (C) 2009-2010 Mathias Svensson ( https://result42.com ) |
|
12
|
*/ |
|
13
|
|
|
14
|
#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) |
|
15
|
#ifndef __USE_FILE_OFFSET64 |
|
16
|
#define __USE_FILE_OFFSET64 |
|
17
|
#endif |
|
18
|
#ifndef __USE_LARGEFILE64 |
|
19
|
#define __USE_LARGEFILE64 |
|
20
|
#endif |
|
21
|
#ifndef _LARGEFILE64_SOURCE |
|
22
|
#define _LARGEFILE64_SOURCE |
|
23
|
#endif |
|
24
|
#ifndef _FILE_OFFSET_BIT |
|
25
|
#define _FILE_OFFSET_BIT 64 |
|
26
|
#endif |
|
27
|
#endif |
|
28
|
|
|
29
|
#if defined(__APPLE__) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64) |
|
30
|
// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions |
|
31
|
#define FOPEN_FUNC(filename, mode) fopen(filename, mode) |
|
32
|
#define FTELLO_FUNC(stream) ftello(stream) |
|
33
|
#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin) |
|
34
|
#else |
|
35
|
#define FOPEN_FUNC(filename, mode) fopen64(filename, mode) |
|
36
|
#define FTELLO_FUNC(stream) ftello64(stream) |
|
37
|
#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin) |
|
38
|
#endif |
|
39
|
|
|
40
|
|
|
41
|
#ifndef _CRT_SECURE_NO_WARNINGS |
|
42
|
# define _CRT_SECURE_NO_WARNINGS |
|
43
|
#endif |
|
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
|
#include <sys/stat.h> |
|
51
|
|
|
52
|
#ifdef _WIN32 |
|
53
|
# include <direct.h> |
|
54
|
# include <io.h> |
|
55
|
#else |
|
56
|
# include <unistd.h> |
|
57
|
# include <utime.h> |
|
58
|
#endif |
|
59
|
|
|
60
|
|
|
61
|
#include "unzip.h" |
|
62
|
|
|
63
|
#define CASESENSITIVITY (0) |
|
64
|
#define WRITEBUFFERSIZE (8192) |
|
65
|
#define MAXFILENAME (256) |
|
66
|
|
|
67
|
#ifdef _WIN32 |
|
68
|
#define USEWIN32IOAPI |
|
69
|
#include "iowin32.h" |
|
70
|
#endif |
|
71
|
/* |
|
72
|
mini unzip, demo of unzip package |
|
73
|
|
|
74
|
usage : |
|
75
|
Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir] |
|
76
|
|
|
77
|
list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT |
|
78
|
if it exists |
|
79
|
*/ |
|
80
|
|
|
81
|
|
|
82
|
/* change_file_date : change the date/time of a file |
|
83
|
filename : the filename of the file where date/time must be modified |
|
84
|
dosdate : the new date at the MSDOS format (4 bytes) |
|
85
|
tmu_date : the SAME new date at the tm_unz format */ |
|
86
|
static void change_file_date(const char *filename, uLong dosdate, tm_unz tmu_date) { |
|
87
|
#ifdef _WIN32 |
|
88
|
(void)tmu_date; |
|
89
|
HANDLE hFile; |
|
90
|
FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite; |
|
91
|
|
|
92
|
hFile = CreateFileA(filename,GENERIC_READ | GENERIC_WRITE, |
|
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
|
#elif defined(__unix__) || defined(__unix) || defined(__APPLE__) |
|
100
|
(void)dosdate; |
|
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
|
#else |
|
117
|
(void)filename; |
|
118
|
(void)dosdate; |
|
119
|
(void)tmu_date; |
|
120
|
#endif |
|
121
|
} |
|
122
|
|
|
123
|
|
|
124
|
/* mymkdir and change_file_date are not 100 % portable |
|
125
|
As I don't know well Unix, I wait feedback for the unix portion */ |
|
126
|
|
|
127
|
static int mymkdir(const char* dirname) { |
|
128
|
int ret=0; |
|
129
|
#ifdef _WIN32 |
|
130
|
ret = _mkdir(dirname); |
|
131
|
#elif defined(__unix__) || defined(__unix) || defined(__APPLE__) |
|
132
|
ret = mkdir (dirname,0775); |
|
133
|
#else |
|
134
|
(void)dirname; |
|
135
|
#endif |
|
136
|
return ret; |
|
137
|
} |
|
138
|
|
|
139
|
static int makedir(const char *newdir) { |
|
140
|
char *buffer ; |
|
141
|
char *p; |
|
142
|
size_t len = strlen(newdir); |
|
143
|
|
|
144
|
if (len == 0) |
|
145
|
return 0; |
|
146
|
|
|
147
|
buffer = (char*)malloc(len+1); |
|
148
|
if (buffer==NULL) |
|
149
|
{ |
|
150
|
printf("Error allocating memory\n"); |
|
151
|
return UNZ_INTERNALERROR; |
|
152
|
} |
|
153
|
memcpy(buffer,newdir,len+1); |
|
154
|
|
|
155
|
if (buffer[len-1] == '/') { |
|
156
|
buffer[len-1] = '\0'; |
|
157
|
} |
|
158
|
if (mymkdir(buffer) == 0) |
|
159
|
{ |
|
160
|
free(buffer); |
|
161
|
return 1; |
|
162
|
} |
|
163
|
|
|
164
|
p = buffer+1; |
|
165
|
while (1) |
|
166
|
{ |
|
167
|
char hold; |
|
168
|
|
|
169
|
while(*p && *p != '\\' && *p != '/') |
|
170
|
p++; |
|
171
|
hold = *p; |
|
172
|
*p = 0; |
|
173
|
if ((mymkdir(buffer) == -1) && (errno == ENOENT)) |
|
174
|
{ |
|
175
|
printf("couldn't create directory %s\n",buffer); |
|
176
|
free(buffer); |
|
177
|
return 0; |
|
178
|
} |
|
179
|
if (hold == 0) |
|
180
|
break; |
|
181
|
*p++ = hold; |
|
182
|
} |
|
183
|
free(buffer); |
|
184
|
return 1; |
|
185
|
} |
|
186
|
|
|
187
|
static void do_banner(void) { |
|
188
|
printf("MiniUnz 1.1, demo of zLib + Unz package written by Gilles Vollant\n"); |
|
189
|
printf("more info at https://www.winimage.com/zLibDll/unzip.html\n\n"); |
|
190
|
} |
|
191
|
|
|
192
|
static void do_help(void) { |
|
193
|
printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \ |
|
194
|
" -e Extract without pathname (junk paths)\n" \ |
|
195
|
" -x Extract with pathname\n" \ |
|
196
|
" -v list files\n" \ |
|
197
|
" -l list files\n" \ |
|
198
|
" -d directory to extract into\n" \ |
|
199
|
" -o overwrite files without prompting\n" \ |
|
200
|
" -p extract encrypted file using password\n\n"); |
|
201
|
} |
|
202
|
|
|
203
|
static void Display64BitsSize(ZPOS64_T n, int size_char) { |
|
204
|
/* to avoid compatibility problem , we do here the conversion */ |
|
205
|
char number[21]; |
|
206
|
int offset=19; |
|
207
|
int pos_string = 19; |
|
208
|
number[20]=0; |
|
209
|
for (;;) { |
|
210
|
number[offset]=(char)((n%10)+'0'); |
|
211
|
if (number[offset] != '0') |
|
212
|
pos_string=offset; |
|
213
|
n/=10; |
|
214
|
if (offset==0) |
|
215
|
break; |
|
216
|
offset--; |
|
217
|
} |
|
218
|
{ |
|
219
|
int size_display_string = 19-pos_string; |
|
220
|
while (size_char > size_display_string) |
|
221
|
{ |
|
222
|
size_char--; |
|
223
|
printf(" "); |
|
224
|
} |
|
225
|
} |
|
226
|
|
|
227
|
printf("%s",&number[pos_string]); |
|
228
|
} |
|
229
|
|
|
230
|
static int do_list(unzFile uf) { |
|
231
|
uLong i; |
|
232
|
unz_global_info64 gi; |
|
233
|
int err; |
|
234
|
|
|
235
|
err = unzGetGlobalInfo64(uf,&gi); |
|
236
|
if (err!=UNZ_OK) |
|
237
|
printf("error %d with zipfile in unzGetGlobalInfo\n",err); |
|
238
|
printf(" Length Method Size Ratio Date Time CRC-32 Name\n"); |
|
239
|
printf(" ------ ------ ---- ----- ---- ---- ------ ----\n"); |
|
240
|
for (i=0;i<gi.number_entry;i++) |
|
241
|
{ |
|
242
|
char filename_inzip[65536+1]; |
|
243
|
unz_file_info64 file_info; |
|
244
|
uLong ratio=0; |
|
245
|
const char *string_method = ""; |
|
246
|
char charCrypt=' '; |
|
247
|
err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); |
|
248
|
if (err!=UNZ_OK) |
|
249
|
{ |
|
250
|
printf("error %d with zipfile in unzGetCurrentFileInfo\n",err); |
|
251
|
break; |
|
252
|
} |
|
253
|
if (file_info.uncompressed_size>0) |
|
254
|
ratio = (uLong)((file_info.compressed_size*100)/file_info.uncompressed_size); |
|
255
|
|
|
256
|
/* display a '*' if the file is encrypted */ |
|
257
|
if ((file_info.flag & 1) != 0) |
|
258
|
charCrypt='*'; |
|
259
|
|
|
260
|
if (file_info.compression_method==0) |
|
261
|
string_method="Stored"; |
|
262
|
else |
|
263
|
if (file_info.compression_method==Z_DEFLATED) |
|
264
|
{ |
|
265
|
uInt iLevel=(uInt)((file_info.flag & 0x6)/2); |
|
266
|
if (iLevel==0) |
|
267
|
string_method="Defl:N"; |
|
268
|
else if (iLevel==1) |
|
269
|
string_method="Defl:X"; |
|
270
|
else if ((iLevel==2) || (iLevel==3)) |
|
271
|
string_method="Defl:F"; /* 2:fast , 3 : extra fast*/ |
|
272
|
} |
|
273
|
else |
|
274
|
if (file_info.compression_method==Z_BZIP2ED) |
|
275
|
{ |
|
276
|
string_method="BZip2 "; |
|
277
|
} |
|
278
|
else |
|
279
|
string_method="Unkn. "; |
|
280
|
|
|
281
|
Display64BitsSize(file_info.uncompressed_size,7); |
|
282
|
printf(" %6s%c",string_method,charCrypt); |
|
283
|
Display64BitsSize(file_info.compressed_size,7); |
|
284
|
printf(" %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n", |
|
285
|
ratio, |
|
286
|
(uLong)file_info.tmu_date.tm_mon + 1, |
|
287
|
(uLong)file_info.tmu_date.tm_mday, |
|
288
|
(uLong)file_info.tmu_date.tm_year % 100, |
|
289
|
(uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min, |
|
290
|
(uLong)file_info.crc,filename_inzip); |
|
291
|
if ((i+1)<gi.number_entry) |
|
292
|
{ |
|
293
|
err = unzGoToNextFile(uf); |
|
294
|
if (err!=UNZ_OK) |
|
295
|
{ |
|
296
|
printf("error %d with zipfile in unzGoToNextFile\n",err); |
|
297
|
break; |
|
298
|
} |
|
299
|
} |
|
300
|
} |
|
301
|
|
|
302
|
return 0; |
|
303
|
} |
|
304
|
|
|
305
|
|
|
306
|
static int do_extract_currentfile(unzFile uf, const int* popt_extract_without_path, int* popt_overwrite, const char* password) { |
|
307
|
char filename_inzip[65536+1]; |
|
308
|
char* filename_withoutpath; |
|
309
|
char* p; |
|
310
|
int err=UNZ_OK; |
|
311
|
FILE *fout=NULL; |
|
312
|
void* buf; |
|
313
|
uInt size_buf; |
|
314
|
|
|
315
|
unz_file_info64 file_info; |
|
316
|
err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); |
|
317
|
|
|
318
|
if (err!=UNZ_OK) |
|
319
|
{ |
|
320
|
printf("error %d with zipfile in unzGetCurrentFileInfo\n",err); |
|
321
|
return err; |
|
322
|
} |
|
323
|
|
|
324
|
size_buf = WRITEBUFFERSIZE; |
|
325
|
buf = (void*)malloc(size_buf); |
|
326
|
if (buf==NULL) |
|
327
|
{ |
|
328
|
printf("Error allocating memory\n"); |
|
329
|
return UNZ_INTERNALERROR; |
|
330
|
} |
|
331
|
|
|
332
|
p = filename_withoutpath = filename_inzip; |
|
333
|
while ((*p) != '\0') |
|
334
|
{ |
|
335
|
if (((*p)=='/') || ((*p)=='\\')) |
|
336
|
filename_withoutpath = p+1; |
|
337
|
p++; |
|
338
|
} |
|
339
|
|
|
340
|
if ((*filename_withoutpath)=='\0') |
|
341
|
{ |
|
342
|
if ((*popt_extract_without_path)==0) |
|
343
|
{ |
|
344
|
printf("creating directory: %s\n",filename_inzip); |
|
345
|
mymkdir(filename_inzip); |
|
346
|
} |
|
347
|
} |
|
348
|
else |
|
349
|
{ |
|
350
|
const char* write_filename; |
|
351
|
int skip=0; |
|
352
|
|
|
353
|
if ((*popt_extract_without_path)==0) |
|
354
|
write_filename = filename_inzip; |
|
355
|
else |
|
356
|
write_filename = filename_withoutpath; |
|
357
|
|
|
358
|
if (write_filename[0]!='\0') |
|
359
|
{ |
|
360
|
const char* relative_check = write_filename; |
|
361
|
while (relative_check[1]!='\0') |
|
362
|
{ |
|
363
|
if (relative_check[0]=='.' && relative_check[1]=='.') |
|
364
|
write_filename = relative_check; |
|
365
|
relative_check++; |
|
366
|
} |
|
367
|
} |
|
368
|
|
|
369
|
while (write_filename[0]=='/' || write_filename[0]=='.') |
|
370
|
write_filename++; |
|
371
|
|
|
372
|
err = unzOpenCurrentFilePassword(uf,password); |
|
373
|
if (err!=UNZ_OK) |
|
374
|
{ |
|
375
|
printf("error %d with zipfile in unzOpenCurrentFilePassword\n",err); |
|
376
|
} |
|
377
|
|
|
378
|
if (((*popt_overwrite)==0) && (err==UNZ_OK)) |
|
379
|
{ |
|
380
|
char rep=0; |
|
381
|
FILE* ftestexist; |
|
382
|
ftestexist = FOPEN_FUNC(write_filename,"rb"); |
|
383
|
if (ftestexist!=NULL) |
|
384
|
{ |
|
385
|
fclose(ftestexist); |
|
386
|
do |
|
387
|
{ |
|
388
|
char answer[128]; |
|
389
|
int ret; |
|
390
|
|
|
391
|
printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename); |
|
392
|
ret = scanf("%1s",answer); |
|
393
|
if (ret != 1) |
|
394
|
{ |
|
395
|
exit(EXIT_FAILURE); |
|
396
|
} |
|
397
|
rep = answer[0] ; |
|
398
|
if ((rep>='a') && (rep<='z')) |
|
399
|
rep -= 0x20; |
|
400
|
} |
|
401
|
while ((rep!='Y') && (rep!='N') && (rep!='A')); |
|
402
|
} |
|
403
|
|
|
404
|
if (rep == 'N') |
|
405
|
skip = 1; |
|
406
|
|
|
407
|
if (rep == 'A') |
|
408
|
*popt_overwrite=1; |
|
409
|
} |
|
410
|
|
|
411
|
if ((skip==0) && (err==UNZ_OK)) |
|
412
|
{ |
|
413
|
fout=FOPEN_FUNC(write_filename,"wb"); |
|
414
|
/* some zipfile don't contain directory alone before file */ |
|
415
|
if ((fout==NULL) && ((*popt_extract_without_path)==0) && |
|
416
|
(filename_withoutpath!=(char*)filename_inzip)) |
|
417
|
{ |
|
418
|
char c=*(filename_withoutpath-1); |
|
419
|
*(filename_withoutpath-1)='\0'; |
|
420
|
makedir(write_filename); |
|
421
|
*(filename_withoutpath-1)=c; |
|
422
|
fout=FOPEN_FUNC(write_filename,"wb"); |
|
423
|
} |
|
424
|
|
|
425
|
if (fout==NULL) |
|
426
|
{ |
|
427
|
printf("error opening %s\n",write_filename); |
|
428
|
} |
|
429
|
} |
|
430
|
|
|
431
|
if (fout!=NULL) |
|
432
|
{ |
|
433
|
printf(" extracting: %s\n",write_filename); |
|
434
|
|
|
435
|
do |
|
436
|
{ |
|
437
|
err = unzReadCurrentFile(uf,buf,size_buf); |
|
438
|
if (err<0) |
|
439
|
{ |
|
440
|
printf("error %d with zipfile in unzReadCurrentFile\n",err); |
|
441
|
break; |
|
442
|
} |
|
443
|
if (err>0) |
|
444
|
if (fwrite(buf,(unsigned)err,1,fout)!=1) |
|
445
|
{ |
|
446
|
printf("error in writing extracted file\n"); |
|
447
|
err=UNZ_ERRNO; |
|
448
|
break; |
|
449
|
} |
|
450
|
} |
|
451
|
while (err>0); |
|
452
|
if (fout) |
|
453
|
fclose(fout); |
|
454
|
|
|
455
|
if (err==0) |
|
456
|
change_file_date(write_filename,file_info.dosDate, |
|
457
|
file_info.tmu_date); |
|
458
|
} |
|
459
|
|
|
460
|
if (err==UNZ_OK) |
|
461
|
{ |
|
462
|
err = unzCloseCurrentFile (uf); |
|
463
|
if (err!=UNZ_OK) |
|
464
|
{ |
|
465
|
printf("error %d with zipfile in unzCloseCurrentFile\n",err); |
|
466
|
} |
|
467
|
} |
|
468
|
else |
|
469
|
unzCloseCurrentFile(uf); /* don't lose the error */ |
|
470
|
} |
|
471
|
|
|
472
|
free(buf); |
|
473
|
return err; |
|
474
|
} |
|
475
|
|
|
476
|
|
|
477
|
static int do_extract(unzFile uf, int opt_extract_without_path, int opt_overwrite, const char* password) { |
|
478
|
uLong i; |
|
479
|
unz_global_info64 gi; |
|
480
|
int err; |
|
481
|
|
|
482
|
err = unzGetGlobalInfo64(uf,&gi); |
|
483
|
if (err!=UNZ_OK) |
|
484
|
{ |
|
485
|
printf("error %d with zipfile in unzGetGlobalInfo\n",err); |
|
486
|
return err; |
|
487
|
} |
|
488
|
|
|
489
|
for (i=0;i<gi.number_entry;i++) |
|
490
|
{ |
|
491
|
err = do_extract_currentfile(uf,&opt_extract_without_path, |
|
492
|
&opt_overwrite, |
|
493
|
password); |
|
494
|
if (err != 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 err; |
|
509
|
} |
|
510
|
|
|
511
|
static int do_extract_onefile(unzFile uf, const char* filename, int opt_extract_without_path, int opt_overwrite, const char* password) { |
|
512
|
if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK) |
|
513
|
{ |
|
514
|
printf("file %s not found in the zipfile\n",filename); |
|
515
|
return 2; |
|
516
|
} |
|
517
|
|
|
518
|
return do_extract_currentfile(uf,&opt_extract_without_path, |
|
519
|
&opt_overwrite, |
|
520
|
password); |
|
521
|
} |
|
522
|
|
|
523
|
|
|
524
|
int main(int argc, char *argv[]) { |
|
525
|
const char *zipfilename=NULL; |
|
526
|
const char *filename_to_extract=NULL; |
|
527
|
const char *password=NULL; |
|
528
|
char filename_try[MAXFILENAME+16] = ""; |
|
529
|
int i; |
|
530
|
int ret_value=0; |
|
531
|
int opt_do_list=0; |
|
532
|
int opt_do_extract=1; |
|
533
|
int opt_do_extract_withoutpath=0; |
|
534
|
int opt_overwrite=0; |
|
535
|
int opt_extractdir=0; |
|
536
|
const char *dirname=NULL; |
|
537
|
unzFile uf=NULL; |
|
538
|
|
|
539
|
do_banner(); |
|
540
|
if (argc==1) |
|
541
|
{ |
|
542
|
do_help(); |
|
543
|
return 0; |
|
544
|
} |
|
545
|
else |
|
546
|
{ |
|
547
|
for (i=1;i<argc;i++) |
|
548
|
{ |
|
549
|
if ((*argv[i])=='-') |
|
550
|
{ |
|
551
|
const char *p=argv[i]+1; |
|
552
|
|
|
553
|
while ((*p)!='\0') |
|
554
|
{ |
|
555
|
char c=*(p++); |
|
556
|
if ((c=='l') || (c=='L')) |
|
557
|
opt_do_list = 1; |
|
558
|
if ((c=='v') || (c=='V')) |
|
559
|
opt_do_list = 1; |
|
560
|
if ((c=='x') || (c=='X')) |
|
561
|
opt_do_extract = 1; |
|
562
|
if ((c=='e') || (c=='E')) |
|
563
|
opt_do_extract = opt_do_extract_withoutpath = 1; |
|
564
|
if ((c=='o') || (c=='O')) |
|
565
|
opt_overwrite=1; |
|
566
|
if ((c=='d') || (c=='D')) |
|
567
|
{ |
|
568
|
opt_extractdir=1; |
|
569
|
dirname=argv[i+1]; |
|
570
|
} |
|
571
|
|
|
572
|
if (((c=='p') || (c=='P')) && (i+1<argc)) |
|
573
|
{ |
|
574
|
password=argv[i+1]; |
|
575
|
i++; |
|
576
|
} |
|
577
|
} |
|
578
|
} |
|
579
|
else |
|
580
|
{ |
|
581
|
if (zipfilename == NULL) |
|
582
|
zipfilename = argv[i]; |
|
583
|
else if ((filename_to_extract==NULL) && (!opt_extractdir)) |
|
584
|
filename_to_extract = argv[i] ; |
|
585
|
} |
|
586
|
} |
|
587
|
} |
|
588
|
|
|
589
|
if (zipfilename!=NULL) |
|
590
|
{ |
|
591
|
|
|
592
|
# ifdef USEWIN32IOAPI |
|
593
|
zlib_filefunc64_def ffunc; |
|
594
|
# endif |
|
595
|
|
|
596
|
strncpy(filename_try, zipfilename,MAXFILENAME-1); |
|
597
|
/* strncpy doesn't append the trailing NULL, of the string is too long. */ |
|
598
|
filename_try[ MAXFILENAME ] = '\0'; |
|
599
|
|
|
600
|
# ifdef USEWIN32IOAPI |
|
601
|
fill_win32_filefunc64A(&ffunc); |
|
602
|
uf = unzOpen2_64(zipfilename,&ffunc); |
|
603
|
# else |
|
604
|
uf = unzOpen64(zipfilename); |
|
605
|
# endif |
|
606
|
if (uf==NULL) |
|
607
|
{ |
|
608
|
strcat(filename_try,".zip"); |
|
609
|
# ifdef USEWIN32IOAPI |
|
610
|
uf = unzOpen2_64(filename_try,&ffunc); |
|
611
|
# else |
|
612
|
uf = unzOpen64(filename_try); |
|
613
|
# endif |
|
614
|
} |
|
615
|
} |
|
616
|
|
|
617
|
if (uf==NULL) |
|
618
|
{ |
|
619
|
printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename); |
|
620
|
return 1; |
|
621
|
} |
|
622
|
printf("%s opened\n",filename_try); |
|
623
|
|
|
624
|
if (opt_do_list==1) |
|
625
|
ret_value = do_list(uf); |
|
626
|
else if (opt_do_extract==1) |
|
627
|
{ |
|
628
|
#ifdef _WIN32 |
|
629
|
if (opt_extractdir && _chdir(dirname)) |
|
630
|
#else |
|
631
|
if (opt_extractdir && chdir(dirname)) |
|
632
|
#endif |
|
633
|
{ |
|
634
|
printf("Error changing into %s, aborting\n", dirname); |
|
635
|
exit(-1); |
|
636
|
} |
|
637
|
|
|
638
|
if (filename_to_extract == NULL) |
|
639
|
ret_value = do_extract(uf, opt_do_extract_withoutpath, opt_overwrite, password); |
|
640
|
else |
|
641
|
ret_value = do_extract_onefile(uf, filename_to_extract, opt_do_extract_withoutpath, opt_overwrite, password); |
|
642
|
} |
|
643
|
|
|
644
|
unzClose(uf); |
|
645
|
|
|
646
|
return ret_value; |
|
647
|
} |
|
648
|
|