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ef416fc2 | 1 | /* |
7a6a01dd | 2 | * "$Id$" |
ef416fc2 | 3 | * |
4 | * MIME database file routines for the Common UNIX Printing System (CUPS). | |
5 | * | |
fa73b229 | 6 | * Copyright 1997-2006 by Easy Software Products, all rights reserved. |
ef416fc2 | 7 | * |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636 USA | |
19 | * | |
20 | * Voice: (301) 373-9600 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * Contents: | |
25 | * | |
fa73b229 | 26 | * mimeDelete() - Delete (free) a MIME database. |
27 | * mimeDeleteFilter() - Delete a filter from the MIME database. | |
28 | * mimeDeleteType() - Delete a type from the MIME database. | |
29 | * mimeFirstFilter() - Get the first filter in the MIME database. | |
30 | * mimeFirstType() - Get the first type in the MIME database. | |
fa73b229 | 31 | * mimeLoad() - Create a new MIME database from disk. |
32 | * mimeMerge() - Merge a MIME database from disk with the current one. | |
33 | * mimeNew() - Create a new, empty MIME database. | |
34 | * mimeNextFilter() - Get the next filter in the MIME database. | |
35 | * mimeNextType() - Get the next type in the MIME database. | |
36 | * mimeNumFilters() - Get the number of filters in a MIME database. | |
37 | * mimeNumTypes() - Get the number of types in a MIME database. | |
4400e98d | 38 | * add_fcache() - Add a filter to the filter cache. |
39 | * compare_fcache() - Compare two filter cache entries. | |
40 | * delete_fcache() - Free all memory used by the filter cache. | |
fa73b229 | 41 | * delete_rules() - Free all memory for the given rule tree. |
42 | * load_convs() - Load a xyz.convs file... | |
4400e98d | 43 | * load_types() - Load a xyz.types file... |
ef416fc2 | 44 | */ |
45 | ||
46 | /* | |
47 | * Include necessary headers... | |
48 | */ | |
49 | ||
50 | #include <stdio.h> | |
51 | #include <stdlib.h> | |
52 | #include <ctype.h> | |
53 | ||
fa73b229 | 54 | #include <cups/dir.h> |
ef416fc2 | 55 | #include <cups/string.h> |
56 | #include "mime.h" | |
57 | ||
ef416fc2 | 58 | |
4400e98d | 59 | /* |
60 | * Local types... | |
61 | */ | |
62 | ||
63 | typedef struct _mime_fcache_s /**** Filter cache structure ****/ | |
64 | { | |
65 | char *name, /* Filter name */ | |
66 | *path; /* Full path to filter if available */ | |
67 | } _mime_fcache_t; | |
68 | ||
69 | ||
ef416fc2 | 70 | /* |
71 | * Local functions... | |
72 | */ | |
73 | ||
4400e98d | 74 | static const char *add_fcache(cups_array_t *filtercache, const char *name, |
75 | const char *filterpath); | |
76 | static int compare_fcache(_mime_fcache_t *a, _mime_fcache_t *b); | |
77 | static void delete_fcache(cups_array_t *filtercache); | |
ef416fc2 | 78 | static void delete_rules(mime_magic_t *rules); |
4400e98d | 79 | static void load_convs(mime_t *mime, const char *filename, |
80 | const char *filterpath, | |
81 | cups_array_t *filtercache); | |
82 | static void load_types(mime_t *mime, const char *filename); | |
ef416fc2 | 83 | |
84 | ||
85 | /* | |
86 | * 'mimeDelete()' - Delete (free) a MIME database. | |
87 | */ | |
88 | ||
89 | void | |
fa73b229 | 90 | mimeDelete(mime_t *mime) /* I - MIME database */ |
ef416fc2 | 91 | { |
fa73b229 | 92 | mime_type_t *type; /* Current type */ |
93 | mime_filter_t *filter; /* Current filter */ | |
ef416fc2 | 94 | |
95 | ||
fa73b229 | 96 | if (!mime) |
ef416fc2 | 97 | return; |
98 | ||
fa73b229 | 99 | /* |
100 | * Loop through filters and free them... | |
101 | */ | |
102 | ||
103 | for (filter = (mime_filter_t *)cupsArrayFirst(mime->filters); | |
104 | filter; | |
105 | filter = (mime_filter_t *)cupsArrayNext(mime->filters)) | |
106 | mimeDeleteFilter(mime, filter); | |
ef416fc2 | 107 | |
89d46774 | 108 | /* |
109 | * Loop through the file types and delete any rules... | |
110 | */ | |
111 | ||
112 | for (type = (mime_type_t *)cupsArrayFirst(mime->types); | |
113 | type; | |
114 | type = (mime_type_t *)cupsArrayNext(mime->types)) | |
115 | mimeDeleteType(mime, type); | |
116 | ||
ef416fc2 | 117 | /* |
118 | * Free the types and filters arrays, and then the MIME database structure. | |
119 | */ | |
120 | ||
fa73b229 | 121 | cupsArrayDelete(mime->types); |
122 | cupsArrayDelete(mime->filters); | |
a74454a7 | 123 | cupsArrayDelete(mime->srcs); |
ef416fc2 | 124 | free(mime); |
125 | } | |
126 | ||
127 | ||
128 | /* | |
fa73b229 | 129 | * 'mimeDeleteFilter()' - Delete a filter from the MIME database. |
ef416fc2 | 130 | */ |
131 | ||
fa73b229 | 132 | void |
133 | mimeDeleteFilter(mime_t *mime, /* I - MIME database */ | |
134 | mime_filter_t *filter) /* I - Filter */ | |
ef416fc2 | 135 | { |
fa73b229 | 136 | if (!mime || !filter) |
137 | return; | |
ef416fc2 | 138 | |
fa73b229 | 139 | cupsArrayRemove(mime->filters, filter); |
140 | free(filter); | |
a74454a7 | 141 | |
142 | /* | |
143 | * Deleting a filter invalidates the source lookup cache used by | |
144 | * mimeFilter()... | |
145 | */ | |
146 | ||
147 | if (mime->srcs) | |
148 | { | |
149 | cupsArrayDelete(mime->srcs); | |
150 | mime->srcs = NULL; | |
151 | } | |
fa73b229 | 152 | } |
ef416fc2 | 153 | |
ef416fc2 | 154 | |
fa73b229 | 155 | /* |
156 | * 'mimeDeleteType()' - Delete a type from the MIME database. | |
157 | */ | |
ef416fc2 | 158 | |
fa73b229 | 159 | void |
160 | mimeDeleteType(mime_t *mime, /* I - MIME database */ | |
161 | mime_type_t *mt) /* I - Type */ | |
162 | { | |
163 | if (!mime || !mt) | |
164 | return; | |
ef416fc2 | 165 | |
fa73b229 | 166 | cupsArrayRemove(mime->types, mt); |
ef416fc2 | 167 | |
fa73b229 | 168 | delete_rules(mt->rules); |
169 | free(mt); | |
170 | } | |
ef416fc2 | 171 | |
ef416fc2 | 172 | |
fa73b229 | 173 | /* |
174 | * 'mimeFirstFilter()' - Get the first filter in the MIME database. | |
175 | */ | |
ef416fc2 | 176 | |
fa73b229 | 177 | mime_filter_t * /* O - Filter or NULL */ |
178 | mimeFirstFilter(mime_t *mime) /* I - MIME database */ | |
179 | { | |
180 | if (!mime) | |
181 | return (NULL); | |
182 | else | |
183 | return ((mime_filter_t *)cupsArrayFirst(mime->filters)); | |
184 | } | |
ef416fc2 | 185 | |
ef416fc2 | 186 | |
fa73b229 | 187 | /* |
188 | * 'mimeFirstType()' - Get the first type in the MIME database. | |
189 | */ | |
ef416fc2 | 190 | |
fa73b229 | 191 | mime_type_t * /* O - Type or NULL */ |
192 | mimeFirstType(mime_t *mime) /* I - MIME database */ | |
193 | { | |
194 | if (!mime) | |
195 | return (NULL); | |
196 | else | |
197 | return ((mime_type_t *)cupsArrayFirst(mime->types)); | |
198 | } | |
ef416fc2 | 199 | |
ef416fc2 | 200 | |
fa73b229 | 201 | /* |
202 | * 'mimeLoad()' - Create a new MIME database from disk. | |
203 | */ | |
ef416fc2 | 204 | |
fa73b229 | 205 | mime_t * /* O - New MIME database */ |
206 | mimeLoad(const char *pathname, /* I - Directory to load */ | |
207 | const char *filterpath) /* I - Directory to load */ | |
208 | { | |
209 | return (mimeMerge(NULL, pathname, filterpath)); | |
210 | } | |
ef416fc2 | 211 | |
ef416fc2 | 212 | |
fa73b229 | 213 | /* |
214 | * 'mimeMerge()' - Merge a MIME database from disk with the current one. | |
215 | */ | |
ef416fc2 | 216 | |
fa73b229 | 217 | mime_t * /* O - Updated MIME database */ |
218 | mimeMerge(mime_t *mime, /* I - MIME database to add to */ | |
219 | const char *pathname, /* I - Directory to load */ | |
220 | const char *filterpath) /* I - Directory to load */ | |
221 | { | |
222 | cups_dir_t *dir; /* Directory */ | |
223 | cups_dentry_t *dent; /* Directory entry */ | |
224 | char filename[1024]; /* Full filename of types/converts file */ | |
4400e98d | 225 | cups_array_t *filtercache; /* Filter cache */ |
ef416fc2 | 226 | |
227 | ||
228 | /* | |
229 | * First open the directory specified by pathname... Return NULL if nothing | |
230 | * was read or if the pathname is NULL... | |
231 | */ | |
232 | ||
fa73b229 | 233 | if (!pathname) |
ef416fc2 | 234 | return (NULL); |
235 | ||
fa73b229 | 236 | if ((dir = cupsDirOpen(pathname)) == NULL) |
ef416fc2 | 237 | return (NULL); |
238 | ||
239 | /* | |
240 | * If "mime" is NULL, make a new, blank database... | |
241 | */ | |
242 | ||
fa73b229 | 243 | if (!mime) |
244 | mime = mimeNew(); | |
245 | if (!mime) | |
246 | return (NULL); | |
ef416fc2 | 247 | |
248 | /* | |
249 | * Read all the .types files... | |
250 | */ | |
251 | ||
fa73b229 | 252 | while ((dent = cupsDirRead(dir)) != NULL) |
ef416fc2 | 253 | { |
fa73b229 | 254 | if (strlen(dent->filename) > 6 && |
255 | !strcmp(dent->filename + strlen(dent->filename) - 6, ".types")) | |
ef416fc2 | 256 | { |
257 | /* | |
258 | * Load a mime.types file... | |
259 | */ | |
260 | ||
fa73b229 | 261 | snprintf(filename, sizeof(filename), "%s/%s", pathname, dent->filename); |
ef416fc2 | 262 | load_types(mime, filename); |
263 | } | |
264 | } | |
265 | ||
fa73b229 | 266 | cupsDirRewind(dir); |
ef416fc2 | 267 | |
268 | /* | |
269 | * Read all the .convs files... | |
270 | */ | |
271 | ||
4400e98d | 272 | filtercache = cupsArrayNew((cups_array_func_t)compare_fcache, NULL); |
273 | ||
fa73b229 | 274 | while ((dent = cupsDirRead(dir)) != NULL) |
ef416fc2 | 275 | { |
fa73b229 | 276 | if (strlen(dent->filename) > 6 && |
277 | !strcmp(dent->filename + strlen(dent->filename) - 6, ".convs")) | |
ef416fc2 | 278 | { |
279 | /* | |
280 | * Load a mime.convs file... | |
281 | */ | |
282 | ||
fa73b229 | 283 | snprintf(filename, sizeof(filename), "%s/%s", pathname, dent->filename); |
4400e98d | 284 | load_convs(mime, filename, filterpath, filtercache); |
ef416fc2 | 285 | } |
286 | } | |
287 | ||
4400e98d | 288 | delete_fcache(filtercache); |
289 | ||
fa73b229 | 290 | cupsDirClose(dir); |
ef416fc2 | 291 | |
292 | return (mime); | |
ef416fc2 | 293 | } |
294 | ||
295 | ||
296 | /* | |
297 | * 'mimeNew()' - Create a new, empty MIME database. | |
298 | */ | |
299 | ||
fa73b229 | 300 | mime_t * /* O - MIME database */ |
ef416fc2 | 301 | mimeNew(void) |
302 | { | |
303 | return ((mime_t *)calloc(1, sizeof(mime_t))); | |
304 | } | |
305 | ||
306 | ||
fa73b229 | 307 | /* |
308 | * 'mimeNextFilter()' - Get the next filter in the MIME database. | |
309 | */ | |
310 | ||
311 | mime_filter_t * /* O - Filter or NULL */ | |
312 | mimeNextFilter(mime_t *mime) /* I - MIME database */ | |
313 | { | |
314 | if (!mime) | |
315 | return (NULL); | |
316 | else | |
317 | return ((mime_filter_t *)cupsArrayNext(mime->filters)); | |
318 | } | |
319 | ||
320 | ||
321 | /* | |
322 | * 'mimeNextType()' - Get the next type in the MIME database. | |
323 | */ | |
324 | ||
325 | mime_type_t * /* O - Type or NULL */ | |
326 | mimeNextType(mime_t *mime) /* I - MIME database */ | |
327 | { | |
328 | if (!mime) | |
329 | return (NULL); | |
330 | else | |
331 | return ((mime_type_t *)cupsArrayNext(mime->types)); | |
332 | } | |
333 | ||
334 | ||
335 | /* | |
336 | * 'mimeNumFilters()' - Get the number of filters in a MIME database. | |
337 | */ | |
338 | ||
339 | int | |
340 | mimeNumFilters(mime_t *mime) /* I - MIME database */ | |
341 | { | |
342 | if (!mime) | |
343 | return (0); | |
344 | else | |
345 | return (cupsArrayCount(mime->filters)); | |
346 | } | |
347 | ||
348 | ||
349 | /* | |
350 | * 'mimeNumTypes()' - Get the number of types in a MIME database. | |
351 | */ | |
352 | ||
353 | int | |
354 | mimeNumTypes(mime_t *mime) /* I - MIME database */ | |
355 | { | |
356 | if (!mime) | |
357 | return (0); | |
358 | else | |
359 | return (cupsArrayCount(mime->types)); | |
360 | } | |
361 | ||
362 | ||
ef416fc2 | 363 | /* |
4400e98d | 364 | * 'add_fcache()' - Add a filter to the filter cache. |
ef416fc2 | 365 | */ |
366 | ||
4400e98d | 367 | static const char * /* O - Full path to filter or NULL */ |
368 | add_fcache(cups_array_t *filtercache, /* I - Filter cache */ | |
369 | const char *name, /* I - Filter name */ | |
370 | const char *filterpath) /* I - Filter path */ | |
ef416fc2 | 371 | { |
4400e98d | 372 | _mime_fcache_t key, /* Search key */ |
373 | *temp; /* New filter cache */ | |
374 | char path[1024]; /* Full path to filter */ | |
ef416fc2 | 375 | |
376 | ||
4400e98d | 377 | key.name = (char *)name; |
378 | if ((temp = (_mime_fcache_t *)cupsArrayFind(filtercache, &key)) != NULL) | |
379 | return (temp->path); | |
ef416fc2 | 380 | |
4400e98d | 381 | if ((temp = calloc(1, sizeof(_mime_fcache_t))) == NULL) |
382 | return (NULL); | |
ef416fc2 | 383 | |
4400e98d | 384 | temp->name = strdup(name); |
ef416fc2 | 385 | |
4400e98d | 386 | if (cupsFileFind(name, filterpath, 1, path, sizeof(path))) |
387 | temp->path = strdup(path); | |
ef416fc2 | 388 | |
4400e98d | 389 | cupsArrayAdd(filtercache, temp); |
ef416fc2 | 390 | |
4400e98d | 391 | return (temp->path); |
392 | } | |
ef416fc2 | 393 | |
ef416fc2 | 394 | |
4400e98d | 395 | /* |
396 | * 'compare_fcache()' - Compare two filter cache entries. | |
397 | */ | |
ef416fc2 | 398 | |
4400e98d | 399 | static int /* O - Result of comparison */ |
400 | compare_fcache(_mime_fcache_t *a, /* I - First entry */ | |
401 | _mime_fcache_t *b) /* I - Second entry */ | |
402 | { | |
403 | return (strcmp(a->name, b->name)); | |
404 | } | |
ef416fc2 | 405 | |
ef416fc2 | 406 | |
4400e98d | 407 | /* |
408 | * 'delete_fcache()' - Free all memory used by the filter cache. | |
409 | */ | |
ef416fc2 | 410 | |
4400e98d | 411 | static void |
412 | delete_fcache(cups_array_t *filtercache)/* I - Filter cache */ | |
413 | { | |
414 | _mime_fcache_t *current; /* Current cache entry */ | |
ef416fc2 | 415 | |
ef416fc2 | 416 | |
4400e98d | 417 | for (current = (_mime_fcache_t *)cupsArrayFirst(filtercache); |
418 | current; | |
419 | current = (_mime_fcache_t *)cupsArrayNext(filtercache)) | |
420 | { | |
421 | free(current->name); | |
ef416fc2 | 422 | |
4400e98d | 423 | if (current->path) |
424 | free(current->path); | |
ef416fc2 | 425 | |
4400e98d | 426 | free(current); |
427 | } | |
ef416fc2 | 428 | |
4400e98d | 429 | cupsArrayDelete(filtercache); |
430 | } | |
ef416fc2 | 431 | |
ef416fc2 | 432 | |
4400e98d | 433 | /* |
434 | * 'delete_rules()' - Free all memory for the given rule tree. | |
435 | */ | |
ef416fc2 | 436 | |
4400e98d | 437 | static void |
438 | delete_rules(mime_magic_t *rules) /* I - Rules to free */ | |
439 | { | |
440 | mime_magic_t *next; /* Next rule to free */ | |
441 | ||
442 | ||
443 | /* | |
444 | * Free the rules list, descending recursively to free any child rules. | |
445 | */ | |
446 | ||
447 | while (rules != NULL) | |
448 | { | |
449 | next = rules->next; | |
450 | ||
451 | if (rules->child != NULL) | |
452 | delete_rules(rules->child); | |
453 | ||
454 | free(rules); | |
455 | rules = next; | |
456 | } | |
ef416fc2 | 457 | } |
458 | ||
459 | ||
460 | /* | |
461 | * 'load_convs()' - Load a xyz.convs file... | |
462 | */ | |
463 | ||
464 | static void | |
4400e98d | 465 | load_convs(mime_t *mime, /* I - MIME database */ |
466 | const char *filename, /* I - Convs file to load */ | |
467 | const char *filterpath, /* I - Path for filters */ | |
468 | cups_array_t *filtercache) /* I - Filter program cache */ | |
ef416fc2 | 469 | { |
ef416fc2 | 470 | cups_file_t *fp; /* Convs file */ |
471 | char line[1024], /* Input line from file */ | |
472 | *lineptr, /* Current position in line */ | |
473 | super[MIME_MAX_SUPER], /* Super-type name */ | |
474 | type[MIME_MAX_TYPE], /* Type name */ | |
475 | *temp, /* Temporary pointer */ | |
476 | *filter; /* Filter program */ | |
fa73b229 | 477 | mime_type_t *temptype, /* MIME type looping var */ |
ef416fc2 | 478 | *dsttype; /* Destination MIME type */ |
479 | int cost; /* Cost of filter */ | |
ef416fc2 | 480 | |
481 | ||
482 | /* | |
483 | * First try to open the file... | |
484 | */ | |
485 | ||
486 | if ((fp = cupsFileOpen(filename, "r")) == NULL) | |
487 | return; | |
488 | ||
489 | /* | |
490 | * Then read each line from the file, skipping any comments in the file... | |
491 | */ | |
492 | ||
493 | while (cupsFileGets(fp, line, sizeof(line)) != NULL) | |
494 | { | |
495 | /* | |
496 | * Skip blank lines and lines starting with a #... | |
497 | */ | |
498 | ||
499 | if (!line[0] || line[0] == '#') | |
500 | continue; | |
501 | ||
502 | /* | |
503 | * Strip trailing whitespace... | |
504 | */ | |
505 | ||
506 | for (lineptr = line + strlen(line) - 1; | |
507 | lineptr >= line && isspace(*lineptr & 255); | |
508 | lineptr --) | |
509 | *lineptr = '\0'; | |
510 | ||
511 | /* | |
512 | * Extract the destination super-type and type names from the middle of | |
513 | * the line. | |
514 | */ | |
515 | ||
516 | lineptr = line; | |
517 | while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\0') | |
518 | lineptr ++; | |
519 | ||
520 | while (*lineptr == ' ' || *lineptr == '\t') | |
521 | lineptr ++; | |
522 | ||
523 | temp = super; | |
524 | ||
525 | while (*lineptr != '/' && *lineptr != '\n' && *lineptr != '\0' && | |
526 | (temp - super + 1) < MIME_MAX_SUPER) | |
527 | *temp++ = tolower(*lineptr++ & 255); | |
528 | ||
529 | *temp = '\0'; | |
530 | ||
531 | if (*lineptr != '/') | |
532 | continue; | |
533 | ||
534 | lineptr ++; | |
535 | temp = type; | |
536 | ||
537 | while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\n' && | |
538 | *lineptr != '\0' && (temp - type + 1) < MIME_MAX_TYPE) | |
539 | *temp++ = tolower(*lineptr++ & 255); | |
540 | ||
541 | *temp = '\0'; | |
542 | ||
543 | if (*lineptr == '\0' || *lineptr == '\n') | |
544 | continue; | |
545 | ||
546 | if ((dsttype = mimeType(mime, super, type)) == NULL) | |
547 | continue; | |
548 | ||
549 | /* | |
550 | * Then get the cost and filter program... | |
551 | */ | |
552 | ||
553 | while (*lineptr == ' ' || *lineptr == '\t') | |
554 | lineptr ++; | |
555 | ||
556 | if (*lineptr < '0' || *lineptr > '9') | |
557 | continue; | |
558 | ||
559 | cost = atoi(lineptr); | |
560 | ||
561 | while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\0') | |
562 | lineptr ++; | |
563 | while (*lineptr == ' ' || *lineptr == '\t') | |
564 | lineptr ++; | |
565 | ||
566 | if (*lineptr == '\0' || *lineptr == '\n') | |
567 | continue; | |
568 | ||
569 | filter = lineptr; | |
570 | ||
fa73b229 | 571 | if (strcmp(filter, "-")) |
ef416fc2 | 572 | { |
573 | /* | |
574 | * Verify that the filter exists and is executable... | |
575 | */ | |
576 | ||
4400e98d | 577 | if (!add_fcache(filtercache, filter, filterpath)) |
fa73b229 | 578 | continue; |
ef416fc2 | 579 | } |
ef416fc2 | 580 | |
581 | /* | |
582 | * Finally, get the source super-type and type names from the beginning of | |
583 | * the line. We do it here so we can support wildcards... | |
584 | */ | |
585 | ||
586 | lineptr = line; | |
587 | temp = super; | |
588 | ||
589 | while (*lineptr != '/' && *lineptr != '\n' && *lineptr != '\0' && | |
590 | (temp - super + 1) < MIME_MAX_SUPER) | |
591 | *temp++ = tolower(*lineptr++ & 255); | |
592 | ||
593 | *temp = '\0'; | |
594 | ||
595 | if (*lineptr != '/') | |
596 | continue; | |
597 | ||
598 | lineptr ++; | |
599 | temp = type; | |
600 | ||
601 | while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\n' && | |
602 | *lineptr != '\0' && (temp - type + 1) < MIME_MAX_TYPE) | |
603 | *temp++ = tolower(*lineptr++ & 255); | |
604 | ||
605 | *temp = '\0'; | |
606 | ||
fa73b229 | 607 | if (!strcmp(super, "*") && !strcmp(type, "*")) |
ef416fc2 | 608 | { |
609 | /* | |
610 | * Force * / * to be "application/octet-stream"... | |
611 | */ | |
612 | ||
613 | strcpy(super, "application"); | |
614 | strcpy(type, "octet-stream"); | |
615 | } | |
616 | ||
617 | /* | |
618 | * Add the filter to the MIME database, supporting wildcards as needed... | |
619 | */ | |
620 | ||
fa73b229 | 621 | for (temptype = (mime_type_t *)cupsArrayFirst(mime->types); |
622 | temptype; | |
623 | temptype = (mime_type_t *)cupsArrayNext(mime->types)) | |
624 | if ((super[0] == '*' || !strcmp(temptype->super, super)) && | |
625 | (type[0] == '*' || !strcmp(temptype->type, type))) | |
626 | mimeAddFilter(mime, temptype, dsttype, cost, filter); | |
ef416fc2 | 627 | } |
628 | ||
629 | cupsFileClose(fp); | |
630 | } | |
631 | ||
632 | ||
633 | /* | |
4400e98d | 634 | * 'load_types()' - Load a xyz.types file... |
ef416fc2 | 635 | */ |
636 | ||
637 | static void | |
4400e98d | 638 | load_types(mime_t *mime, /* I - MIME database */ |
639 | const char *filename) /* I - Types file to load */ | |
ef416fc2 | 640 | { |
4400e98d | 641 | cups_file_t *fp; /* Types file */ |
642 | int linelen; /* Length of line */ | |
a74454a7 | 643 | char line[32768], /* Input line from file */ |
4400e98d | 644 | *lineptr, /* Current position in line */ |
645 | super[MIME_MAX_SUPER], /* Super-type name */ | |
646 | type[MIME_MAX_TYPE], /* Type name */ | |
647 | *temp; /* Temporary pointer */ | |
648 | mime_type_t *typeptr; /* New MIME type */ | |
ef416fc2 | 649 | |
650 | ||
651 | /* | |
4400e98d | 652 | * First try to open the file... |
ef416fc2 | 653 | */ |
654 | ||
4400e98d | 655 | if ((fp = cupsFileOpen(filename, "r")) == NULL) |
656 | return; | |
657 | ||
658 | /* | |
659 | * Then read each line from the file, skipping any comments in the file... | |
660 | */ | |
661 | ||
662 | while (cupsFileGets(fp, line, sizeof(line)) != NULL) | |
ef416fc2 | 663 | { |
4400e98d | 664 | /* |
665 | * Skip blank lines and lines starting with a #... | |
666 | */ | |
ef416fc2 | 667 | |
4400e98d | 668 | if (!line[0] || line[0] == '#') |
669 | continue; | |
ef416fc2 | 670 | |
4400e98d | 671 | /* |
672 | * While the last character in the line is a backslash, continue on to the | |
673 | * next line (and the next, etc.) | |
674 | */ | |
675 | ||
676 | linelen = strlen(line); | |
677 | ||
678 | while (line[linelen - 1] == '\\') | |
679 | { | |
680 | linelen --; | |
681 | ||
682 | if (cupsFileGets(fp, line + linelen, sizeof(line) - linelen) == NULL) | |
683 | line[linelen] = '\0'; | |
684 | else | |
685 | linelen += strlen(line + linelen); | |
686 | } | |
687 | ||
688 | /* | |
689 | * Extract the super-type and type names from the beginning of the line. | |
690 | */ | |
691 | ||
692 | lineptr = line; | |
693 | temp = super; | |
694 | ||
695 | while (*lineptr != '/' && *lineptr != '\n' && *lineptr != '\0' && | |
696 | (temp - super + 1) < MIME_MAX_SUPER) | |
697 | *temp++ = tolower(*lineptr++ & 255); | |
698 | ||
699 | *temp = '\0'; | |
700 | ||
701 | if (*lineptr != '/') | |
702 | continue; | |
703 | ||
704 | lineptr ++; | |
705 | temp = type; | |
706 | ||
707 | while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\n' && | |
708 | *lineptr != '\0' && (temp - type + 1) < MIME_MAX_TYPE) | |
709 | *temp++ = tolower(*lineptr++ & 255); | |
710 | ||
711 | *temp = '\0'; | |
712 | ||
713 | /* | |
714 | * Add the type and rules to the MIME database... | |
715 | */ | |
716 | ||
717 | typeptr = mimeAddType(mime, super, type); | |
718 | mimeAddTypeRule(typeptr, lineptr); | |
ef416fc2 | 719 | } |
4400e98d | 720 | |
721 | cupsFileClose(fp); | |
ef416fc2 | 722 | } |
723 | ||
724 | ||
725 | /* | |
7a6a01dd | 726 | * End of "$Id$". |
ef416fc2 | 727 | */ |