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Diffstat (limited to 'utils/themeeditor/quazip/zip.c')
-rw-r--r-- | utils/themeeditor/quazip/zip.c | 1221 |
1 files changed, 1221 insertions, 0 deletions
diff --git a/utils/themeeditor/quazip/zip.c b/utils/themeeditor/quazip/zip.c new file mode 100644 index 0000000000..13463fe336 --- /dev/null +++ b/utils/themeeditor/quazip/zip.c | |||
@@ -0,0 +1,1221 @@ | |||
1 | /* zip.c -- IO on .zip files using zlib | ||
2 | Version 1.01e, February 12th, 2005 | ||
3 | |||
4 | 27 Dec 2004 Rolf Kalbermatter | ||
5 | Modification to zipOpen2 to support globalComment retrieval. | ||
6 | |||
7 | Copyright (C) 1998-2005 Gilles Vollant | ||
8 | |||
9 | Read zip.h for more info | ||
10 | */ | ||
11 | |||
12 | |||
13 | #include <stdio.h> | ||
14 | #include <stdlib.h> | ||
15 | #include <string.h> | ||
16 | #include <time.h> | ||
17 | #include "zlib.h" | ||
18 | #include "zip.h" | ||
19 | |||
20 | #ifdef STDC | ||
21 | # include <stddef.h> | ||
22 | # include <string.h> | ||
23 | # include <stdlib.h> | ||
24 | #endif | ||
25 | #ifdef NO_ERRNO_H | ||
26 | extern int errno; | ||
27 | #else | ||
28 | # include <errno.h> | ||
29 | #endif | ||
30 | |||
31 | |||
32 | #ifndef local | ||
33 | # define local static | ||
34 | #endif | ||
35 | /* compile with -Dlocal if your debugger can't find static symbols */ | ||
36 | |||
37 | #ifndef VERSIONMADEBY | ||
38 | # define VERSIONMADEBY (0x0) /* platform depedent */ | ||
39 | #endif | ||
40 | |||
41 | #ifndef Z_BUFSIZE | ||
42 | #define Z_BUFSIZE (16384) | ||
43 | #endif | ||
44 | |||
45 | #ifndef Z_MAXFILENAMEINZIP | ||
46 | #define Z_MAXFILENAMEINZIP (256) | ||
47 | #endif | ||
48 | |||
49 | #ifndef ALLOC | ||
50 | # define ALLOC(size) (malloc(size)) | ||
51 | #endif | ||
52 | #ifndef TRYFREE | ||
53 | # define TRYFREE(p) {if (p) free(p);} | ||
54 | #endif | ||
55 | |||
56 | /* | ||
57 | #define SIZECENTRALDIRITEM (0x2e) | ||
58 | #define SIZEZIPLOCALHEADER (0x1e) | ||
59 | */ | ||
60 | |||
61 | /* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ | ||
62 | |||
63 | #ifndef SEEK_CUR | ||
64 | #define SEEK_CUR 1 | ||
65 | #endif | ||
66 | |||
67 | #ifndef SEEK_END | ||
68 | #define SEEK_END 2 | ||
69 | #endif | ||
70 | |||
71 | #ifndef SEEK_SET | ||
72 | #define SEEK_SET 0 | ||
73 | #endif | ||
74 | |||
75 | #ifndef DEF_MEM_LEVEL | ||
76 | #if MAX_MEM_LEVEL >= 8 | ||
77 | # define DEF_MEM_LEVEL 8 | ||
78 | #else | ||
79 | # define DEF_MEM_LEVEL MAX_MEM_LEVEL | ||
80 | #endif | ||
81 | #endif | ||
82 | const char zip_copyright[] = | ||
83 | " zip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; | ||
84 | |||
85 | |||
86 | #define SIZEDATA_INDATABLOCK (4096-(4*4)) | ||
87 | |||
88 | #define LOCALHEADERMAGIC (0x04034b50) | ||
89 | #define CENTRALHEADERMAGIC (0x02014b50) | ||
90 | #define ENDHEADERMAGIC (0x06054b50) | ||
91 | |||
92 | #define FLAG_LOCALHEADER_OFFSET (0x06) | ||
93 | #define CRC_LOCALHEADER_OFFSET (0x0e) | ||
94 | |||
95 | #define SIZECENTRALHEADER (0x2e) /* 46 */ | ||
96 | |||
97 | typedef struct linkedlist_datablock_internal_s | ||
98 | { | ||
99 | struct linkedlist_datablock_internal_s* next_datablock; | ||
100 | uLong avail_in_this_block; | ||
101 | uLong filled_in_this_block; | ||
102 | uLong unused; /* for future use and alignement */ | ||
103 | unsigned char data[SIZEDATA_INDATABLOCK]; | ||
104 | } linkedlist_datablock_internal; | ||
105 | |||
106 | typedef struct linkedlist_data_s | ||
107 | { | ||
108 | linkedlist_datablock_internal* first_block; | ||
109 | linkedlist_datablock_internal* last_block; | ||
110 | } linkedlist_data; | ||
111 | |||
112 | |||
113 | typedef struct | ||
114 | { | ||
115 | z_stream stream; /* zLib stream structure for inflate */ | ||
116 | int stream_initialised; /* 1 is stream is initialised */ | ||
117 | uInt pos_in_buffered_data; /* last written byte in buffered_data */ | ||
118 | |||
119 | uLong pos_local_header; /* offset of the local header of the file | ||
120 | currenty writing */ | ||
121 | char* central_header; /* central header data for the current file */ | ||
122 | uLong size_centralheader; /* size of the central header for cur file */ | ||
123 | uLong flag; /* flag of the file currently writing */ | ||
124 | |||
125 | int method; /* compression method of file currenty wr.*/ | ||
126 | int raw; /* 1 for directly writing raw data */ | ||
127 | Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/ | ||
128 | uLong dosDate; | ||
129 | uLong crc32; | ||
130 | int encrypt; | ||
131 | #ifndef NOCRYPT | ||
132 | unsigned long keys[3]; /* keys defining the pseudo-random sequence */ | ||
133 | const unsigned long* pcrc_32_tab; | ||
134 | int crypt_header_size; | ||
135 | #endif | ||
136 | } curfile_info; | ||
137 | |||
138 | typedef struct | ||
139 | { | ||
140 | zlib_filefunc_def z_filefunc; | ||
141 | voidpf filestream; /* io structore of the zipfile */ | ||
142 | linkedlist_data central_dir;/* datablock with central dir in construction*/ | ||
143 | int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/ | ||
144 | curfile_info ci; /* info on the file curretly writing */ | ||
145 | |||
146 | uLong begin_pos; /* position of the beginning of the zipfile */ | ||
147 | uLong add_position_when_writting_offset; | ||
148 | uLong number_entry; | ||
149 | #ifndef NO_ADDFILEINEXISTINGZIP | ||
150 | char *globalcomment; | ||
151 | #endif | ||
152 | } zip_internal; | ||
153 | |||
154 | |||
155 | |||
156 | #ifndef NOCRYPT | ||
157 | #define INCLUDECRYPTINGCODE_IFCRYPTALLOWED | ||
158 | #include "crypt.h" | ||
159 | #endif | ||
160 | |||
161 | local linkedlist_datablock_internal* allocate_new_datablock() | ||
162 | { | ||
163 | linkedlist_datablock_internal* ldi; | ||
164 | ldi = (linkedlist_datablock_internal*) | ||
165 | ALLOC(sizeof(linkedlist_datablock_internal)); | ||
166 | if (ldi!=NULL) | ||
167 | { | ||
168 | ldi->next_datablock = NULL ; | ||
169 | ldi->filled_in_this_block = 0 ; | ||
170 | ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ; | ||
171 | } | ||
172 | return ldi; | ||
173 | } | ||
174 | |||
175 | local void free_datablock(ldi) | ||
176 | linkedlist_datablock_internal* ldi; | ||
177 | { | ||
178 | while (ldi!=NULL) | ||
179 | { | ||
180 | linkedlist_datablock_internal* ldinext = ldi->next_datablock; | ||
181 | TRYFREE(ldi); | ||
182 | ldi = ldinext; | ||
183 | } | ||
184 | } | ||
185 | |||
186 | local void init_linkedlist(ll) | ||
187 | linkedlist_data* ll; | ||
188 | { | ||
189 | ll->first_block = ll->last_block = NULL; | ||
190 | } | ||
191 | |||
192 | #if 0 // unused | ||
193 | local void free_linkedlist(ll) | ||
194 | linkedlist_data* ll; | ||
195 | { | ||
196 | free_datablock(ll->first_block); | ||
197 | ll->first_block = ll->last_block = NULL; | ||
198 | } | ||
199 | #endif | ||
200 | |||
201 | local int add_data_in_datablock(ll,buf,len) | ||
202 | linkedlist_data* ll; | ||
203 | const void* buf; | ||
204 | uLong len; | ||
205 | { | ||
206 | linkedlist_datablock_internal* ldi; | ||
207 | const unsigned char* from_copy; | ||
208 | |||
209 | if (ll==NULL) | ||
210 | return ZIP_INTERNALERROR; | ||
211 | |||
212 | if (ll->last_block == NULL) | ||
213 | { | ||
214 | ll->first_block = ll->last_block = allocate_new_datablock(); | ||
215 | if (ll->first_block == NULL) | ||
216 | return ZIP_INTERNALERROR; | ||
217 | } | ||
218 | |||
219 | ldi = ll->last_block; | ||
220 | from_copy = (unsigned char*)buf; | ||
221 | |||
222 | while (len>0) | ||
223 | { | ||
224 | uInt copy_this; | ||
225 | uInt i; | ||
226 | unsigned char* to_copy; | ||
227 | |||
228 | if (ldi->avail_in_this_block==0) | ||
229 | { | ||
230 | ldi->next_datablock = allocate_new_datablock(); | ||
231 | if (ldi->next_datablock == NULL) | ||
232 | return ZIP_INTERNALERROR; | ||
233 | ldi = ldi->next_datablock ; | ||
234 | ll->last_block = ldi; | ||
235 | } | ||
236 | |||
237 | if (ldi->avail_in_this_block < len) | ||
238 | copy_this = (uInt)ldi->avail_in_this_block; | ||
239 | else | ||
240 | copy_this = (uInt)len; | ||
241 | |||
242 | to_copy = &(ldi->data[ldi->filled_in_this_block]); | ||
243 | |||
244 | for (i=0;i<copy_this;i++) | ||
245 | *(to_copy+i)=*(from_copy+i); | ||
246 | |||
247 | ldi->filled_in_this_block += copy_this; | ||
248 | ldi->avail_in_this_block -= copy_this; | ||
249 | from_copy += copy_this ; | ||
250 | len -= copy_this; | ||
251 | } | ||
252 | return ZIP_OK; | ||
253 | } | ||
254 | |||
255 | |||
256 | |||
257 | /****************************************************************************/ | ||
258 | |||
259 | #ifndef NO_ADDFILEINEXISTINGZIP | ||
260 | /* =========================================================================== | ||
261 | Inputs a long in LSB order to the given file | ||
262 | nbByte == 1, 2 or 4 (byte, short or long) | ||
263 | */ | ||
264 | |||
265 | local int ziplocal_putValue OF((const zlib_filefunc_def* pzlib_filefunc_def, | ||
266 | voidpf filestream, uLong x, int nbByte)); | ||
267 | local int ziplocal_putValue (pzlib_filefunc_def, filestream, x, nbByte) | ||
268 | const zlib_filefunc_def* pzlib_filefunc_def; | ||
269 | voidpf filestream; | ||
270 | uLong x; | ||
271 | int nbByte; | ||
272 | { | ||
273 | unsigned char buf[4]; | ||
274 | int n; | ||
275 | for (n = 0; n < nbByte; n++) | ||
276 | { | ||
277 | buf[n] = (unsigned char)(x & 0xff); | ||
278 | x >>= 8; | ||
279 | } | ||
280 | if (x != 0) | ||
281 | { /* data overflow - hack for ZIP64 (X Roche) */ | ||
282 | for (n = 0; n < nbByte; n++) | ||
283 | { | ||
284 | buf[n] = 0xff; | ||
285 | } | ||
286 | } | ||
287 | |||
288 | if (ZWRITE(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte) | ||
289 | return ZIP_ERRNO; | ||
290 | else | ||
291 | return ZIP_OK; | ||
292 | } | ||
293 | |||
294 | local void ziplocal_putValue_inmemory OF((void* dest, uLong x, int nbByte)); | ||
295 | local void ziplocal_putValue_inmemory (dest, x, nbByte) | ||
296 | void* dest; | ||
297 | uLong x; | ||
298 | int nbByte; | ||
299 | { | ||
300 | unsigned char* buf=(unsigned char*)dest; | ||
301 | int n; | ||
302 | for (n = 0; n < nbByte; n++) { | ||
303 | buf[n] = (unsigned char)(x & 0xff); | ||
304 | x >>= 8; | ||
305 | } | ||
306 | |||
307 | if (x != 0) | ||
308 | { /* data overflow - hack for ZIP64 */ | ||
309 | for (n = 0; n < nbByte; n++) | ||
310 | { | ||
311 | buf[n] = 0xff; | ||
312 | } | ||
313 | } | ||
314 | } | ||
315 | |||
316 | /****************************************************************************/ | ||
317 | |||
318 | |||
319 | local uLong ziplocal_TmzDateToDosDate(ptm,dosDate) | ||
320 | const tm_zip* ptm; | ||
321 | uLong dosDate; | ||
322 | { | ||
323 | (void) dosDate; /* avoid "unused parameter" warning */ | ||
324 | uLong year = (uLong)ptm->tm_year; | ||
325 | if (year>1980) | ||
326 | year-=1980; | ||
327 | else if (year>80) | ||
328 | year-=80; | ||
329 | return | ||
330 | (uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) | | ||
331 | ((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour)); | ||
332 | } | ||
333 | |||
334 | |||
335 | /****************************************************************************/ | ||
336 | |||
337 | local int ziplocal_getByte OF(( | ||
338 | const zlib_filefunc_def* pzlib_filefunc_def, | ||
339 | voidpf filestream, | ||
340 | int *pi)); | ||
341 | |||
342 | local int ziplocal_getByte(pzlib_filefunc_def,filestream,pi) | ||
343 | const zlib_filefunc_def* pzlib_filefunc_def; | ||
344 | voidpf filestream; | ||
345 | int *pi; | ||
346 | { | ||
347 | unsigned char c; | ||
348 | int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1); | ||
349 | if (err==1) | ||
350 | { | ||
351 | *pi = (int)c; | ||
352 | return ZIP_OK; | ||
353 | } | ||
354 | else | ||
355 | { | ||
356 | if (ZERROR(*pzlib_filefunc_def,filestream)) | ||
357 | return ZIP_ERRNO; | ||
358 | else | ||
359 | return ZIP_EOF; | ||
360 | } | ||
361 | } | ||
362 | |||
363 | |||
364 | /* =========================================================================== | ||
365 | Reads a long in LSB order from the given gz_stream. Sets | ||
366 | */ | ||
367 | local int ziplocal_getShort OF(( | ||
368 | const zlib_filefunc_def* pzlib_filefunc_def, | ||
369 | voidpf filestream, | ||
370 | uLong *pX)); | ||
371 | |||
372 | local int ziplocal_getShort (pzlib_filefunc_def,filestream,pX) | ||
373 | const zlib_filefunc_def* pzlib_filefunc_def; | ||
374 | voidpf filestream; | ||
375 | uLong *pX; | ||
376 | { | ||
377 | uLong x ; | ||
378 | int i; | ||
379 | int err; | ||
380 | |||
381 | err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); | ||
382 | x = (uLong)i; | ||
383 | |||
384 | if (err==ZIP_OK) | ||
385 | err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); | ||
386 | x += ((uLong)i)<<8; | ||
387 | |||
388 | if (err==ZIP_OK) | ||
389 | *pX = x; | ||
390 | else | ||
391 | *pX = 0; | ||
392 | return err; | ||
393 | } | ||
394 | |||
395 | local int ziplocal_getLong OF(( | ||
396 | const zlib_filefunc_def* pzlib_filefunc_def, | ||
397 | voidpf filestream, | ||
398 | uLong *pX)); | ||
399 | |||
400 | local int ziplocal_getLong (pzlib_filefunc_def,filestream,pX) | ||
401 | const zlib_filefunc_def* pzlib_filefunc_def; | ||
402 | voidpf filestream; | ||
403 | uLong *pX; | ||
404 | { | ||
405 | uLong x ; | ||
406 | int i; | ||
407 | int err; | ||
408 | |||
409 | err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); | ||
410 | x = (uLong)i; | ||
411 | |||
412 | if (err==ZIP_OK) | ||
413 | err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); | ||
414 | x += ((uLong)i)<<8; | ||
415 | |||
416 | if (err==ZIP_OK) | ||
417 | err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); | ||
418 | x += ((uLong)i)<<16; | ||
419 | |||
420 | if (err==ZIP_OK) | ||
421 | err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); | ||
422 | x += ((uLong)i)<<24; | ||
423 | |||
424 | if (err==ZIP_OK) | ||
425 | *pX = x; | ||
426 | else | ||
427 | *pX = 0; | ||
428 | return err; | ||
429 | } | ||
430 | |||
431 | #ifndef BUFREADCOMMENT | ||
432 | #define BUFREADCOMMENT (0x400) | ||
433 | #endif | ||
434 | /* | ||
435 | Locate the Central directory of a zipfile (at the end, just before | ||
436 | the global comment) | ||
437 | */ | ||
438 | local uLong ziplocal_SearchCentralDir OF(( | ||
439 | const zlib_filefunc_def* pzlib_filefunc_def, | ||
440 | voidpf filestream)); | ||
441 | |||
442 | local uLong ziplocal_SearchCentralDir(pzlib_filefunc_def,filestream) | ||
443 | const zlib_filefunc_def* pzlib_filefunc_def; | ||
444 | voidpf filestream; | ||
445 | { | ||
446 | unsigned char* buf; | ||
447 | uLong uSizeFile; | ||
448 | uLong uBackRead; | ||
449 | uLong uMaxBack=0xffff; /* maximum size of global comment */ | ||
450 | uLong uPosFound=0; | ||
451 | |||
452 | if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) | ||
453 | return 0; | ||
454 | |||
455 | |||
456 | uSizeFile = ZTELL(*pzlib_filefunc_def,filestream); | ||
457 | |||
458 | if (uMaxBack>uSizeFile) | ||
459 | uMaxBack = uSizeFile; | ||
460 | |||
461 | buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); | ||
462 | if (buf==NULL) | ||
463 | return 0; | ||
464 | |||
465 | uBackRead = 4; | ||
466 | while (uBackRead<uMaxBack) | ||
467 | { | ||
468 | uLong uReadSize,uReadPos ; | ||
469 | int i; | ||
470 | if (uBackRead+BUFREADCOMMENT>uMaxBack) | ||
471 | uBackRead = uMaxBack; | ||
472 | else | ||
473 | uBackRead+=BUFREADCOMMENT; | ||
474 | uReadPos = uSizeFile-uBackRead ; | ||
475 | |||
476 | uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? | ||
477 | (BUFREADCOMMENT+4) : (uSizeFile-uReadPos); | ||
478 | if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) | ||
479 | break; | ||
480 | |||
481 | if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) | ||
482 | break; | ||
483 | |||
484 | for (i=(int)uReadSize-3; (i--)>0;) | ||
485 | if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && | ||
486 | ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) | ||
487 | { | ||
488 | uPosFound = uReadPos+i; | ||
489 | break; | ||
490 | } | ||
491 | |||
492 | if (uPosFound!=0) | ||
493 | break; | ||
494 | } | ||
495 | TRYFREE(buf); | ||
496 | return uPosFound; | ||
497 | } | ||
498 | #endif /* !NO_ADDFILEINEXISTINGZIP*/ | ||
499 | |||
500 | /************************************************************/ | ||
501 | extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc_def) | ||
502 | const char *pathname; | ||
503 | int append; | ||
504 | zipcharpc* globalcomment; | ||
505 | zlib_filefunc_def* pzlib_filefunc_def; | ||
506 | { | ||
507 | zip_internal ziinit; | ||
508 | zip_internal* zi; | ||
509 | int err=ZIP_OK; | ||
510 | |||
511 | |||
512 | if (pzlib_filefunc_def==NULL) | ||
513 | fill_fopen_filefunc(&ziinit.z_filefunc); | ||
514 | else | ||
515 | ziinit.z_filefunc = *pzlib_filefunc_def; | ||
516 | |||
517 | ziinit.filestream = (*(ziinit.z_filefunc.zopen_file)) | ||
518 | (ziinit.z_filefunc.opaque, | ||
519 | pathname, | ||
520 | (append == APPEND_STATUS_CREATE) ? | ||
521 | (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE) : | ||
522 | (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING)); | ||
523 | |||
524 | if (ziinit.filestream == NULL) | ||
525 | return NULL; | ||
526 | ziinit.begin_pos = ZTELL(ziinit.z_filefunc,ziinit.filestream); | ||
527 | ziinit.in_opened_file_inzip = 0; | ||
528 | ziinit.ci.stream_initialised = 0; | ||
529 | ziinit.number_entry = 0; | ||
530 | ziinit.add_position_when_writting_offset = 0; | ||
531 | init_linkedlist(&(ziinit.central_dir)); | ||
532 | |||
533 | |||
534 | zi = (zip_internal*)ALLOC(sizeof(zip_internal)); | ||
535 | if (zi==NULL) | ||
536 | { | ||
537 | ZCLOSE(ziinit.z_filefunc,ziinit.filestream); | ||
538 | return NULL; | ||
539 | } | ||
540 | |||
541 | /* now we add file in a zipfile */ | ||
542 | # ifndef NO_ADDFILEINEXISTINGZIP | ||
543 | ziinit.globalcomment = NULL; | ||
544 | if (append == APPEND_STATUS_ADDINZIP) | ||
545 | { | ||
546 | uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ | ||
547 | |||
548 | uLong size_central_dir; /* size of the central directory */ | ||
549 | uLong offset_central_dir; /* offset of start of central directory */ | ||
550 | uLong central_pos,uL; | ||
551 | |||
552 | uLong number_disk; /* number of the current dist, used for | ||
553 | spaning ZIP, unsupported, always 0*/ | ||
554 | uLong number_disk_with_CD; /* number the the disk with central dir, used | ||
555 | for spaning ZIP, unsupported, always 0*/ | ||
556 | uLong number_entry; | ||
557 | uLong number_entry_CD; /* total number of entries in | ||
558 | the central dir | ||
559 | (same than number_entry on nospan) */ | ||
560 | uLong size_comment; | ||
561 | |||
562 | central_pos = ziplocal_SearchCentralDir(&ziinit.z_filefunc,ziinit.filestream); | ||
563 | if (central_pos==0) | ||
564 | err=ZIP_ERRNO; | ||
565 | |||
566 | if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, | ||
567 | central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) | ||
568 | err=ZIP_ERRNO; | ||
569 | |||
570 | /* the signature, already checked */ | ||
571 | if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&uL)!=ZIP_OK) | ||
572 | err=ZIP_ERRNO; | ||
573 | |||
574 | /* number of this disk */ | ||
575 | if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk)!=ZIP_OK) | ||
576 | err=ZIP_ERRNO; | ||
577 | |||
578 | /* number of the disk with the start of the central directory */ | ||
579 | if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk_with_CD)!=ZIP_OK) | ||
580 | err=ZIP_ERRNO; | ||
581 | |||
582 | /* total number of entries in the central dir on this disk */ | ||
583 | if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry)!=ZIP_OK) | ||
584 | err=ZIP_ERRNO; | ||
585 | |||
586 | /* total number of entries in the central dir */ | ||
587 | if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry_CD)!=ZIP_OK) | ||
588 | err=ZIP_ERRNO; | ||
589 | |||
590 | if ((number_entry_CD!=number_entry) || | ||
591 | (number_disk_with_CD!=0) || | ||
592 | (number_disk!=0)) | ||
593 | err=ZIP_BADZIPFILE; | ||
594 | |||
595 | /* size of the central directory */ | ||
596 | if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&size_central_dir)!=ZIP_OK) | ||
597 | err=ZIP_ERRNO; | ||
598 | |||
599 | /* offset of start of central directory with respect to the | ||
600 | starting disk number */ | ||
601 | if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&offset_central_dir)!=ZIP_OK) | ||
602 | err=ZIP_ERRNO; | ||
603 | |||
604 | /* zipfile global comment length */ | ||
605 | if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&size_comment)!=ZIP_OK) | ||
606 | err=ZIP_ERRNO; | ||
607 | |||
608 | if ((central_pos<offset_central_dir+size_central_dir) && | ||
609 | (err==ZIP_OK)) | ||
610 | err=ZIP_BADZIPFILE; | ||
611 | |||
612 | if (err!=ZIP_OK) | ||
613 | { | ||
614 | ZCLOSE(ziinit.z_filefunc, ziinit.filestream); | ||
615 | return NULL; | ||
616 | } | ||
617 | |||
618 | if (size_comment>0) | ||
619 | { | ||
620 | ziinit.globalcomment = ALLOC(size_comment+1); | ||
621 | if (ziinit.globalcomment) | ||
622 | { | ||
623 | size_comment = ZREAD(ziinit.z_filefunc, ziinit.filestream,ziinit.globalcomment,size_comment); | ||
624 | ziinit.globalcomment[size_comment]=0; | ||
625 | } | ||
626 | } | ||
627 | |||
628 | byte_before_the_zipfile = central_pos - | ||
629 | (offset_central_dir+size_central_dir); | ||
630 | ziinit.add_position_when_writting_offset = byte_before_the_zipfile; | ||
631 | |||
632 | { | ||
633 | uLong size_central_dir_to_read = size_central_dir; | ||
634 | size_t buf_size = SIZEDATA_INDATABLOCK; | ||
635 | void* buf_read = (void*)ALLOC(buf_size); | ||
636 | if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, | ||
637 | offset_central_dir + byte_before_the_zipfile, | ||
638 | ZLIB_FILEFUNC_SEEK_SET) != 0) | ||
639 | err=ZIP_ERRNO; | ||
640 | |||
641 | while ((size_central_dir_to_read>0) && (err==ZIP_OK)) | ||
642 | { | ||
643 | uLong read_this = SIZEDATA_INDATABLOCK; | ||
644 | if (read_this > size_central_dir_to_read) | ||
645 | read_this = size_central_dir_to_read; | ||
646 | if (ZREAD(ziinit.z_filefunc, ziinit.filestream,buf_read,read_this) != read_this) | ||
647 | err=ZIP_ERRNO; | ||
648 | |||
649 | if (err==ZIP_OK) | ||
650 | err = add_data_in_datablock(&ziinit.central_dir,buf_read, | ||
651 | (uLong)read_this); | ||
652 | size_central_dir_to_read-=read_this; | ||
653 | } | ||
654 | TRYFREE(buf_read); | ||
655 | } | ||
656 | ziinit.begin_pos = byte_before_the_zipfile; | ||
657 | ziinit.number_entry = number_entry_CD; | ||
658 | |||
659 | if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, | ||
660 | offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0) | ||
661 | err=ZIP_ERRNO; | ||
662 | } | ||
663 | |||
664 | if (globalcomment) | ||
665 | { | ||
666 | *globalcomment = ziinit.globalcomment; | ||
667 | } | ||
668 | # endif /* !NO_ADDFILEINEXISTINGZIP*/ | ||
669 | |||
670 | if (err != ZIP_OK) | ||
671 | { | ||
672 | # ifndef NO_ADDFILEINEXISTINGZIP | ||
673 | TRYFREE(ziinit.globalcomment); | ||
674 | # endif /* !NO_ADDFILEINEXISTINGZIP*/ | ||
675 | TRYFREE(zi); | ||
676 | return NULL; | ||
677 | } | ||
678 | else | ||
679 | { | ||
680 | *zi = ziinit; | ||
681 | return (zipFile)zi; | ||
682 | } | ||
683 | } | ||
684 | |||
685 | extern zipFile ZEXPORT zipOpen (pathname, append) | ||
686 | const char *pathname; | ||
687 | int append; | ||
688 | { | ||
689 | return zipOpen2(pathname,append,NULL,NULL); | ||
690 | } | ||
691 | |||
692 | extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi, | ||
693 | extrafield_local, size_extrafield_local, | ||
694 | extrafield_global, size_extrafield_global, | ||
695 | comment, method, level, raw, | ||
696 | windowBits, memLevel, strategy, | ||
697 | password, crcForCrypting) | ||
698 | zipFile file; | ||
699 | const char* filename; | ||
700 | const zip_fileinfo* zipfi; | ||
701 | const void* extrafield_local; | ||
702 | uInt size_extrafield_local; | ||
703 | const void* extrafield_global; | ||
704 | uInt size_extrafield_global; | ||
705 | const char* comment; | ||
706 | int method; | ||
707 | int level; | ||
708 | int raw; | ||
709 | int windowBits; | ||
710 | int memLevel; | ||
711 | int strategy; | ||
712 | const char* password; | ||
713 | uLong crcForCrypting; | ||
714 | { | ||
715 | zip_internal* zi; | ||
716 | uInt size_filename; | ||
717 | uInt size_comment; | ||
718 | uInt i; | ||
719 | int err = ZIP_OK; | ||
720 | |||
721 | # ifdef NOCRYPT | ||
722 | if (password != NULL) | ||
723 | return ZIP_PARAMERROR; | ||
724 | # endif | ||
725 | |||
726 | if (file == NULL) | ||
727 | return ZIP_PARAMERROR; | ||
728 | if ((method!=0) && (method!=Z_DEFLATED)) | ||
729 | return ZIP_PARAMERROR; | ||
730 | |||
731 | zi = (zip_internal*)file; | ||
732 | |||
733 | if (zi->in_opened_file_inzip == 1) | ||
734 | { | ||
735 | err = zipCloseFileInZip (file); | ||
736 | if (err != ZIP_OK) | ||
737 | return err; | ||
738 | } | ||
739 | |||
740 | |||
741 | if (filename==NULL) | ||
742 | filename="-"; | ||
743 | |||
744 | if (comment==NULL) | ||
745 | size_comment = 0; | ||
746 | else | ||
747 | size_comment = (uInt)strlen(comment); | ||
748 | |||
749 | size_filename = (uInt)strlen(filename); | ||
750 | |||
751 | if (zipfi == NULL) | ||
752 | zi->ci.dosDate = 0; | ||
753 | else | ||
754 | { | ||
755 | if (zipfi->dosDate != 0) | ||
756 | zi->ci.dosDate = zipfi->dosDate; | ||
757 | else zi->ci.dosDate = ziplocal_TmzDateToDosDate(&zipfi->tmz_date,zipfi->dosDate); | ||
758 | } | ||
759 | |||
760 | zi->ci.flag = 0; | ||
761 | if ((level==8) || (level==9)) | ||
762 | zi->ci.flag |= 2; | ||
763 | if ((level==2)) | ||
764 | zi->ci.flag |= 4; | ||
765 | if ((level==1)) | ||
766 | zi->ci.flag |= 6; | ||
767 | if (password != NULL) | ||
768 | zi->ci.flag |= 1; | ||
769 | |||
770 | zi->ci.crc32 = 0; | ||
771 | zi->ci.method = method; | ||
772 | zi->ci.encrypt = 0; | ||
773 | zi->ci.stream_initialised = 0; | ||
774 | zi->ci.pos_in_buffered_data = 0; | ||
775 | zi->ci.raw = raw; | ||
776 | zi->ci.pos_local_header = ZTELL(zi->z_filefunc,zi->filestream) ; | ||
777 | zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename + | ||
778 | size_extrafield_global + size_comment; | ||
779 | zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader); | ||
780 | |||
781 | ziplocal_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4); | ||
782 | /* version info */ | ||
783 | ziplocal_putValue_inmemory(zi->ci.central_header+4,(uLong)VERSIONMADEBY,2); | ||
784 | ziplocal_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2); | ||
785 | ziplocal_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2); | ||
786 | ziplocal_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2); | ||
787 | ziplocal_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4); | ||
788 | ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/ | ||
789 | ziplocal_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/ | ||
790 | ziplocal_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/ | ||
791 | ziplocal_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2); | ||
792 | ziplocal_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2); | ||
793 | ziplocal_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2); | ||
794 | ziplocal_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/ | ||
795 | |||
796 | if (zipfi==NULL) | ||
797 | ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2); | ||
798 | else | ||
799 | ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2); | ||
800 | |||
801 | if (zipfi==NULL) | ||
802 | ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4); | ||
803 | else | ||
804 | ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4); | ||
805 | |||
806 | ziplocal_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header- zi->add_position_when_writting_offset,4); | ||
807 | |||
808 | for (i=0;i<size_filename;i++) | ||
809 | *(zi->ci.central_header+SIZECENTRALHEADER+i) = *(filename+i); | ||
810 | |||
811 | for (i=0;i<size_extrafield_global;i++) | ||
812 | *(zi->ci.central_header+SIZECENTRALHEADER+size_filename+i) = | ||
813 | *(((const char*)extrafield_global)+i); | ||
814 | |||
815 | for (i=0;i<size_comment;i++) | ||
816 | *(zi->ci.central_header+SIZECENTRALHEADER+size_filename+ | ||
817 | size_extrafield_global+i) = *(comment+i); | ||
818 | if (zi->ci.central_header == NULL) | ||
819 | return ZIP_INTERNALERROR; | ||
820 | |||
821 | /* write the local header */ | ||
822 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC,4); | ||
823 | |||
824 | if (err==ZIP_OK) | ||
825 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */ | ||
826 | if (err==ZIP_OK) | ||
827 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2); | ||
828 | |||
829 | if (err==ZIP_OK) | ||
830 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2); | ||
831 | |||
832 | if (err==ZIP_OK) | ||
833 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4); | ||
834 | |||
835 | if (err==ZIP_OK) | ||
836 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */ | ||
837 | if (err==ZIP_OK) | ||
838 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */ | ||
839 | if (err==ZIP_OK) | ||
840 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */ | ||
841 | |||
842 | if (err==ZIP_OK) | ||
843 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2); | ||
844 | |||
845 | if (err==ZIP_OK) | ||
846 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield_local,2); | ||
847 | |||
848 | if ((err==ZIP_OK) && (size_filename>0)) | ||
849 | if (ZWRITE(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename) | ||
850 | err = ZIP_ERRNO; | ||
851 | |||
852 | if ((err==ZIP_OK) && (size_extrafield_local>0)) | ||
853 | if (ZWRITE(zi->z_filefunc,zi->filestream,extrafield_local,size_extrafield_local) | ||
854 | !=size_extrafield_local) | ||
855 | err = ZIP_ERRNO; | ||
856 | |||
857 | zi->ci.stream.avail_in = (uInt)0; | ||
858 | zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; | ||
859 | zi->ci.stream.next_out = zi->ci.buffered_data; | ||
860 | zi->ci.stream.total_in = 0; | ||
861 | zi->ci.stream.total_out = 0; | ||
862 | |||
863 | if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) | ||
864 | { | ||
865 | zi->ci.stream.zalloc = (alloc_func)0; | ||
866 | zi->ci.stream.zfree = (free_func)0; | ||
867 | zi->ci.stream.opaque = (voidpf)0; | ||
868 | |||
869 | if (windowBits>0) | ||
870 | windowBits = -windowBits; | ||
871 | |||
872 | err = deflateInit2(&zi->ci.stream, level, | ||
873 | Z_DEFLATED, windowBits, memLevel, strategy); | ||
874 | |||
875 | if (err==Z_OK) | ||
876 | zi->ci.stream_initialised = 1; | ||
877 | } | ||
878 | # ifndef NOCRYPT | ||
879 | zi->ci.crypt_header_size = 0; | ||
880 | if ((err==Z_OK) && (password != NULL)) | ||
881 | { | ||
882 | unsigned char bufHead[RAND_HEAD_LEN]; | ||
883 | unsigned int sizeHead; | ||
884 | zi->ci.encrypt = 1; | ||
885 | zi->ci.pcrc_32_tab = get_crc_table(); | ||
886 | /*init_keys(password,zi->ci.keys,zi->ci.pcrc_32_tab);*/ | ||
887 | |||
888 | sizeHead=crypthead(password,bufHead,RAND_HEAD_LEN,zi->ci.keys,zi->ci.pcrc_32_tab,crcForCrypting); | ||
889 | zi->ci.crypt_header_size = sizeHead; | ||
890 | |||
891 | if (ZWRITE(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead) | ||
892 | err = ZIP_ERRNO; | ||
893 | } | ||
894 | # endif | ||
895 | |||
896 | if (err==Z_OK) | ||
897 | zi->in_opened_file_inzip = 1; | ||
898 | return err; | ||
899 | } | ||
900 | |||
901 | extern int ZEXPORT zipOpenNewFileInZip2(file, filename, zipfi, | ||
902 | extrafield_local, size_extrafield_local, | ||
903 | extrafield_global, size_extrafield_global, | ||
904 | comment, method, level, raw) | ||
905 | zipFile file; | ||
906 | const char* filename; | ||
907 | const zip_fileinfo* zipfi; | ||
908 | const void* extrafield_local; | ||
909 | uInt size_extrafield_local; | ||
910 | const void* extrafield_global; | ||
911 | uInt size_extrafield_global; | ||
912 | const char* comment; | ||
913 | int method; | ||
914 | int level; | ||
915 | int raw; | ||
916 | { | ||
917 | return zipOpenNewFileInZip3 (file, filename, zipfi, | ||
918 | extrafield_local, size_extrafield_local, | ||
919 | extrafield_global, size_extrafield_global, | ||
920 | comment, method, level, raw, | ||
921 | -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, | ||
922 | NULL, 0); | ||
923 | } | ||
924 | |||
925 | extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi, | ||
926 | extrafield_local, size_extrafield_local, | ||
927 | extrafield_global, size_extrafield_global, | ||
928 | comment, method, level) | ||
929 | zipFile file; | ||
930 | const char* filename; | ||
931 | const zip_fileinfo* zipfi; | ||
932 | const void* extrafield_local; | ||
933 | uInt size_extrafield_local; | ||
934 | const void* extrafield_global; | ||
935 | uInt size_extrafield_global; | ||
936 | const char* comment; | ||
937 | int method; | ||
938 | int level; | ||
939 | { | ||
940 | return zipOpenNewFileInZip2 (file, filename, zipfi, | ||
941 | extrafield_local, size_extrafield_local, | ||
942 | extrafield_global, size_extrafield_global, | ||
943 | comment, method, level, 0); | ||
944 | } | ||
945 | |||
946 | local int zipFlushWriteBuffer(zi) | ||
947 | zip_internal* zi; | ||
948 | { | ||
949 | int err=ZIP_OK; | ||
950 | |||
951 | if (zi->ci.encrypt != 0) | ||
952 | { | ||
953 | #ifndef NOCRYPT | ||
954 | uInt i; | ||
955 | int t; | ||
956 | for (i=0;i<zi->ci.pos_in_buffered_data;i++) | ||
957 | zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab, | ||
958 | zi->ci.buffered_data[i],t); | ||
959 | #endif | ||
960 | } | ||
961 | if (ZWRITE(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data) | ||
962 | !=zi->ci.pos_in_buffered_data) | ||
963 | err = ZIP_ERRNO; | ||
964 | zi->ci.pos_in_buffered_data = 0; | ||
965 | return err; | ||
966 | } | ||
967 | |||
968 | extern int ZEXPORT zipWriteInFileInZip (file, buf, len) | ||
969 | zipFile file; | ||
970 | const void* buf; | ||
971 | unsigned len; | ||
972 | { | ||
973 | zip_internal* zi; | ||
974 | int err=ZIP_OK; | ||
975 | |||
976 | if (file == NULL) | ||
977 | return ZIP_PARAMERROR; | ||
978 | zi = (zip_internal*)file; | ||
979 | |||
980 | if (zi->in_opened_file_inzip == 0) | ||
981 | return ZIP_PARAMERROR; | ||
982 | |||
983 | zi->ci.stream.next_in = (void*)buf; | ||
984 | zi->ci.stream.avail_in = len; | ||
985 | zi->ci.crc32 = crc32(zi->ci.crc32,buf,len); | ||
986 | |||
987 | while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0)) | ||
988 | { | ||
989 | if (zi->ci.stream.avail_out == 0) | ||
990 | { | ||
991 | if (zipFlushWriteBuffer(zi) == ZIP_ERRNO) | ||
992 | err = ZIP_ERRNO; | ||
993 | zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; | ||
994 | zi->ci.stream.next_out = zi->ci.buffered_data; | ||
995 | } | ||
996 | |||
997 | |||
998 | if(err != ZIP_OK) | ||
999 | break; | ||
1000 | |||
1001 | if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) | ||
1002 | { | ||
1003 | uLong uTotalOutBefore = zi->ci.stream.total_out; | ||
1004 | err=deflate(&zi->ci.stream, Z_NO_FLUSH); | ||
1005 | zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; | ||
1006 | |||
1007 | } | ||
1008 | else | ||
1009 | { | ||
1010 | uInt copy_this,i; | ||
1011 | if (zi->ci.stream.avail_in < zi->ci.stream.avail_out) | ||
1012 | copy_this = zi->ci.stream.avail_in; | ||
1013 | else | ||
1014 | copy_this = zi->ci.stream.avail_out; | ||
1015 | for (i=0;i<copy_this;i++) | ||
1016 | *(((char*)zi->ci.stream.next_out)+i) = | ||
1017 | *(((const char*)zi->ci.stream.next_in)+i); | ||
1018 | { | ||
1019 | zi->ci.stream.avail_in -= copy_this; | ||
1020 | zi->ci.stream.avail_out-= copy_this; | ||
1021 | zi->ci.stream.next_in+= copy_this; | ||
1022 | zi->ci.stream.next_out+= copy_this; | ||
1023 | zi->ci.stream.total_in+= copy_this; | ||
1024 | zi->ci.stream.total_out+= copy_this; | ||
1025 | zi->ci.pos_in_buffered_data += copy_this; | ||
1026 | } | ||
1027 | } | ||
1028 | } | ||
1029 | |||
1030 | return err; | ||
1031 | } | ||
1032 | |||
1033 | extern int ZEXPORT zipCloseFileInZipRaw (file, uncompressed_size, crc32) | ||
1034 | zipFile file; | ||
1035 | uLong uncompressed_size; | ||
1036 | uLong crc32; | ||
1037 | { | ||
1038 | zip_internal* zi; | ||
1039 | uLong compressed_size; | ||
1040 | int err=ZIP_OK; | ||
1041 | |||
1042 | if (file == NULL) | ||
1043 | return ZIP_PARAMERROR; | ||
1044 | zi = (zip_internal*)file; | ||
1045 | |||
1046 | if (zi->in_opened_file_inzip == 0) | ||
1047 | return ZIP_PARAMERROR; | ||
1048 | zi->ci.stream.avail_in = 0; | ||
1049 | |||
1050 | if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) | ||
1051 | while (err==ZIP_OK) | ||
1052 | { | ||
1053 | uLong uTotalOutBefore; | ||
1054 | if (zi->ci.stream.avail_out == 0) | ||
1055 | { | ||
1056 | if (zipFlushWriteBuffer(zi) == ZIP_ERRNO) | ||
1057 | err = ZIP_ERRNO; | ||
1058 | zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; | ||
1059 | zi->ci.stream.next_out = zi->ci.buffered_data; | ||
1060 | } | ||
1061 | uTotalOutBefore = zi->ci.stream.total_out; | ||
1062 | err=deflate(&zi->ci.stream, Z_FINISH); | ||
1063 | zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; | ||
1064 | } | ||
1065 | |||
1066 | if (err==Z_STREAM_END) | ||
1067 | err=ZIP_OK; /* this is normal */ | ||
1068 | |||
1069 | if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK)) | ||
1070 | if (zipFlushWriteBuffer(zi)==ZIP_ERRNO) | ||
1071 | err = ZIP_ERRNO; | ||
1072 | |||
1073 | if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) | ||
1074 | { | ||
1075 | err=deflateEnd(&zi->ci.stream); | ||
1076 | zi->ci.stream_initialised = 0; | ||
1077 | } | ||
1078 | |||
1079 | if (!zi->ci.raw) | ||
1080 | { | ||
1081 | crc32 = (uLong)zi->ci.crc32; | ||
1082 | uncompressed_size = (uLong)zi->ci.stream.total_in; | ||
1083 | } | ||
1084 | compressed_size = (uLong)zi->ci.stream.total_out; | ||
1085 | # ifndef NOCRYPT | ||
1086 | compressed_size += zi->ci.crypt_header_size; | ||
1087 | # endif | ||
1088 | |||
1089 | ziplocal_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/ | ||
1090 | ziplocal_putValue_inmemory(zi->ci.central_header+20, | ||
1091 | compressed_size,4); /*compr size*/ | ||
1092 | if (zi->ci.stream.data_type == Z_ASCII) | ||
1093 | ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2); | ||
1094 | ziplocal_putValue_inmemory(zi->ci.central_header+24, | ||
1095 | uncompressed_size,4); /*uncompr size*/ | ||
1096 | |||
1097 | if (err==ZIP_OK) | ||
1098 | err = add_data_in_datablock(&zi->central_dir,zi->ci.central_header, | ||
1099 | (uLong)zi->ci.size_centralheader); | ||
1100 | free(zi->ci.central_header); | ||
1101 | |||
1102 | if (err==ZIP_OK) | ||
1103 | { | ||
1104 | long cur_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream); | ||
1105 | if (ZSEEK(zi->z_filefunc,zi->filestream, | ||
1106 | zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0) | ||
1107 | err = ZIP_ERRNO; | ||
1108 | |||
1109 | if (err==ZIP_OK) | ||
1110 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */ | ||
1111 | |||
1112 | if (err==ZIP_OK) /* compressed size, unknown */ | ||
1113 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4); | ||
1114 | |||
1115 | if (err==ZIP_OK) /* uncompressed size, unknown */ | ||
1116 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4); | ||
1117 | |||
1118 | if (ZSEEK(zi->z_filefunc,zi->filestream, | ||
1119 | cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0) | ||
1120 | err = ZIP_ERRNO; | ||
1121 | } | ||
1122 | |||
1123 | zi->number_entry ++; | ||
1124 | zi->in_opened_file_inzip = 0; | ||
1125 | |||
1126 | return err; | ||
1127 | } | ||
1128 | |||
1129 | extern int ZEXPORT zipCloseFileInZip (file) | ||
1130 | zipFile file; | ||
1131 | { | ||
1132 | return zipCloseFileInZipRaw (file,0,0); | ||
1133 | } | ||
1134 | |||
1135 | extern int ZEXPORT zipClose (file, global_comment) | ||
1136 | zipFile file; | ||
1137 | const char* global_comment; | ||
1138 | { | ||
1139 | zip_internal* zi; | ||
1140 | int err = 0; | ||
1141 | uLong size_centraldir = 0; | ||
1142 | uLong centraldir_pos_inzip; | ||
1143 | uInt size_global_comment; | ||
1144 | if (file == NULL) | ||
1145 | return ZIP_PARAMERROR; | ||
1146 | zi = (zip_internal*)file; | ||
1147 | |||
1148 | if (zi->in_opened_file_inzip == 1) | ||
1149 | { | ||
1150 | err = zipCloseFileInZip (file); | ||
1151 | } | ||
1152 | |||
1153 | #ifndef NO_ADDFILEINEXISTINGZIP | ||
1154 | if (global_comment==NULL) | ||
1155 | global_comment = zi->globalcomment; | ||
1156 | #endif | ||
1157 | if (global_comment==NULL) | ||
1158 | size_global_comment = 0; | ||
1159 | else | ||
1160 | size_global_comment = (uInt)strlen(global_comment); | ||
1161 | |||
1162 | centraldir_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream); | ||
1163 | if (err==ZIP_OK) | ||
1164 | { | ||
1165 | linkedlist_datablock_internal* ldi = zi->central_dir.first_block ; | ||
1166 | while (ldi!=NULL) | ||
1167 | { | ||
1168 | if ((err==ZIP_OK) && (ldi->filled_in_this_block>0)) | ||
1169 | if (ZWRITE(zi->z_filefunc,zi->filestream, | ||
1170 | ldi->data,ldi->filled_in_this_block) | ||
1171 | !=ldi->filled_in_this_block ) | ||
1172 | err = ZIP_ERRNO; | ||
1173 | |||
1174 | size_centraldir += ldi->filled_in_this_block; | ||
1175 | ldi = ldi->next_datablock; | ||
1176 | } | ||
1177 | } | ||
1178 | free_datablock(zi->central_dir.first_block); | ||
1179 | |||
1180 | if (err==ZIP_OK) /* Magic End */ | ||
1181 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4); | ||
1182 | |||
1183 | if (err==ZIP_OK) /* number of this disk */ | ||
1184 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); | ||
1185 | |||
1186 | if (err==ZIP_OK) /* number of the disk with the start of the central directory */ | ||
1187 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); | ||
1188 | |||
1189 | if (err==ZIP_OK) /* total number of entries in the central dir on this disk */ | ||
1190 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); | ||
1191 | |||
1192 | if (err==ZIP_OK) /* total number of entries in the central dir */ | ||
1193 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); | ||
1194 | |||
1195 | if (err==ZIP_OK) /* size of the central directory */ | ||
1196 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4); | ||
1197 | |||
1198 | if (err==ZIP_OK) /* offset of start of central directory with respect to the | ||
1199 | starting disk number */ | ||
1200 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream, | ||
1201 | (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4); | ||
1202 | |||
1203 | if (err==ZIP_OK) /* zipfile comment length */ | ||
1204 | err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2); | ||
1205 | |||
1206 | if ((err==ZIP_OK) && (size_global_comment>0)) | ||
1207 | if (ZWRITE(zi->z_filefunc,zi->filestream, | ||
1208 | global_comment,size_global_comment) != size_global_comment) | ||
1209 | err = ZIP_ERRNO; | ||
1210 | |||
1211 | if (ZCLOSE(zi->z_filefunc,zi->filestream) != 0) | ||
1212 | if (err == ZIP_OK) | ||
1213 | err = ZIP_ERRNO; | ||
1214 | |||
1215 | #ifndef NO_ADDFILEINEXISTINGZIP | ||
1216 | TRYFREE(zi->globalcomment); | ||
1217 | #endif | ||
1218 | TRYFREE(zi); | ||
1219 | |||
1220 | return err; | ||
1221 | } | ||