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ef416fc2 | 1 | /* |
bc44d920 | 2 | * "$Id: mime.c 6649 2007-07-11 21:46:42Z mike $" |
ef416fc2 | 3 | * |
4 | * MIME database file routines for the Common UNIX Printing System (CUPS). | |
5 | * | |
bc44d920 | 6 | * Copyright 2007 by Apple Inc. |
fa73b229 | 7 | * Copyright 1997-2006 by Easy Software Products, all rights reserved. |
ef416fc2 | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 10 | * property of Apple Inc. and are protected by Federal copyright |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 14 | * |
15 | * Contents: | |
16 | * | |
fa73b229 | 17 | * mimeDelete() - Delete (free) a MIME database. |
18 | * mimeDeleteFilter() - Delete a filter from the MIME database. | |
19 | * mimeDeleteType() - Delete a type from the MIME database. | |
20 | * mimeFirstFilter() - Get the first filter in the MIME database. | |
21 | * mimeFirstType() - Get the first type in the MIME database. | |
fa73b229 | 22 | * mimeLoad() - Create a new MIME database from disk. |
23 | * mimeMerge() - Merge a MIME database from disk with the current one. | |
24 | * mimeNew() - Create a new, empty MIME database. | |
25 | * mimeNextFilter() - Get the next filter in the MIME database. | |
26 | * mimeNextType() - Get the next type in the MIME database. | |
27 | * mimeNumFilters() - Get the number of filters in a MIME database. | |
28 | * mimeNumTypes() - Get the number of types in a MIME database. | |
4400e98d | 29 | * add_fcache() - Add a filter to the filter cache. |
30 | * compare_fcache() - Compare two filter cache entries. | |
31 | * delete_fcache() - Free all memory used by the filter cache. | |
fa73b229 | 32 | * delete_rules() - Free all memory for the given rule tree. |
33 | * load_convs() - Load a xyz.convs file... | |
4400e98d | 34 | * load_types() - Load a xyz.types file... |
ef416fc2 | 35 | */ |
36 | ||
37 | /* | |
38 | * Include necessary headers... | |
39 | */ | |
40 | ||
41 | #include <stdio.h> | |
42 | #include <stdlib.h> | |
43 | #include <ctype.h> | |
44 | ||
ed486911 | 45 | #include <cups/debug.h> |
fa73b229 | 46 | #include <cups/dir.h> |
ef416fc2 | 47 | #include <cups/string.h> |
48 | #include "mime.h" | |
49 | ||
ef416fc2 | 50 | |
4400e98d | 51 | /* |
52 | * Local types... | |
53 | */ | |
54 | ||
55 | typedef struct _mime_fcache_s /**** Filter cache structure ****/ | |
56 | { | |
57 | char *name, /* Filter name */ | |
58 | *path; /* Full path to filter if available */ | |
59 | } _mime_fcache_t; | |
60 | ||
61 | ||
ef416fc2 | 62 | /* |
63 | * Local functions... | |
64 | */ | |
65 | ||
4400e98d | 66 | static const char *add_fcache(cups_array_t *filtercache, const char *name, |
67 | const char *filterpath); | |
68 | static int compare_fcache(_mime_fcache_t *a, _mime_fcache_t *b); | |
69 | static void delete_fcache(cups_array_t *filtercache); | |
ef416fc2 | 70 | static void delete_rules(mime_magic_t *rules); |
4400e98d | 71 | static void load_convs(mime_t *mime, const char *filename, |
72 | const char *filterpath, | |
73 | cups_array_t *filtercache); | |
74 | static void load_types(mime_t *mime, const char *filename); | |
ef416fc2 | 75 | |
76 | ||
77 | /* | |
78 | * 'mimeDelete()' - Delete (free) a MIME database. | |
79 | */ | |
80 | ||
81 | void | |
fa73b229 | 82 | mimeDelete(mime_t *mime) /* I - MIME database */ |
ef416fc2 | 83 | { |
fa73b229 | 84 | mime_type_t *type; /* Current type */ |
85 | mime_filter_t *filter; /* Current filter */ | |
ef416fc2 | 86 | |
87 | ||
fa73b229 | 88 | if (!mime) |
ef416fc2 | 89 | return; |
90 | ||
fa73b229 | 91 | /* |
92 | * Loop through filters and free them... | |
93 | */ | |
94 | ||
95 | for (filter = (mime_filter_t *)cupsArrayFirst(mime->filters); | |
96 | filter; | |
97 | filter = (mime_filter_t *)cupsArrayNext(mime->filters)) | |
98 | mimeDeleteFilter(mime, filter); | |
ef416fc2 | 99 | |
89d46774 | 100 | /* |
101 | * Loop through the file types and delete any rules... | |
102 | */ | |
103 | ||
104 | for (type = (mime_type_t *)cupsArrayFirst(mime->types); | |
105 | type; | |
106 | type = (mime_type_t *)cupsArrayNext(mime->types)) | |
107 | mimeDeleteType(mime, type); | |
108 | ||
ef416fc2 | 109 | /* |
110 | * Free the types and filters arrays, and then the MIME database structure. | |
111 | */ | |
112 | ||
fa73b229 | 113 | cupsArrayDelete(mime->types); |
114 | cupsArrayDelete(mime->filters); | |
a74454a7 | 115 | cupsArrayDelete(mime->srcs); |
ef416fc2 | 116 | free(mime); |
117 | } | |
118 | ||
119 | ||
120 | /* | |
fa73b229 | 121 | * 'mimeDeleteFilter()' - Delete a filter from the MIME database. |
ef416fc2 | 122 | */ |
123 | ||
fa73b229 | 124 | void |
125 | mimeDeleteFilter(mime_t *mime, /* I - MIME database */ | |
126 | mime_filter_t *filter) /* I - Filter */ | |
ef416fc2 | 127 | { |
fa73b229 | 128 | if (!mime || !filter) |
129 | return; | |
ef416fc2 | 130 | |
fa73b229 | 131 | cupsArrayRemove(mime->filters, filter); |
132 | free(filter); | |
a74454a7 | 133 | |
134 | /* | |
135 | * Deleting a filter invalidates the source lookup cache used by | |
136 | * mimeFilter()... | |
137 | */ | |
138 | ||
139 | if (mime->srcs) | |
140 | { | |
141 | cupsArrayDelete(mime->srcs); | |
142 | mime->srcs = NULL; | |
143 | } | |
fa73b229 | 144 | } |
ef416fc2 | 145 | |
ef416fc2 | 146 | |
fa73b229 | 147 | /* |
148 | * 'mimeDeleteType()' - Delete a type from the MIME database. | |
149 | */ | |
ef416fc2 | 150 | |
fa73b229 | 151 | void |
152 | mimeDeleteType(mime_t *mime, /* I - MIME database */ | |
153 | mime_type_t *mt) /* I - Type */ | |
154 | { | |
155 | if (!mime || !mt) | |
156 | return; | |
ef416fc2 | 157 | |
fa73b229 | 158 | cupsArrayRemove(mime->types, mt); |
ef416fc2 | 159 | |
fa73b229 | 160 | delete_rules(mt->rules); |
161 | free(mt); | |
162 | } | |
ef416fc2 | 163 | |
ef416fc2 | 164 | |
fa73b229 | 165 | /* |
166 | * 'mimeFirstFilter()' - Get the first filter in the MIME database. | |
167 | */ | |
ef416fc2 | 168 | |
fa73b229 | 169 | mime_filter_t * /* O - Filter or NULL */ |
170 | mimeFirstFilter(mime_t *mime) /* I - MIME database */ | |
171 | { | |
172 | if (!mime) | |
173 | return (NULL); | |
174 | else | |
175 | return ((mime_filter_t *)cupsArrayFirst(mime->filters)); | |
176 | } | |
ef416fc2 | 177 | |
ef416fc2 | 178 | |
fa73b229 | 179 | /* |
180 | * 'mimeFirstType()' - Get the first type in the MIME database. | |
181 | */ | |
ef416fc2 | 182 | |
fa73b229 | 183 | mime_type_t * /* O - Type or NULL */ |
184 | mimeFirstType(mime_t *mime) /* I - MIME database */ | |
185 | { | |
186 | if (!mime) | |
187 | return (NULL); | |
188 | else | |
189 | return ((mime_type_t *)cupsArrayFirst(mime->types)); | |
190 | } | |
ef416fc2 | 191 | |
ef416fc2 | 192 | |
fa73b229 | 193 | /* |
194 | * 'mimeLoad()' - Create a new MIME database from disk. | |
195 | */ | |
ef416fc2 | 196 | |
fa73b229 | 197 | mime_t * /* O - New MIME database */ |
198 | mimeLoad(const char *pathname, /* I - Directory to load */ | |
199 | const char *filterpath) /* I - Directory to load */ | |
200 | { | |
201 | return (mimeMerge(NULL, pathname, filterpath)); | |
202 | } | |
ef416fc2 | 203 | |
ef416fc2 | 204 | |
fa73b229 | 205 | /* |
206 | * 'mimeMerge()' - Merge a MIME database from disk with the current one. | |
207 | */ | |
ef416fc2 | 208 | |
fa73b229 | 209 | mime_t * /* O - Updated MIME database */ |
210 | mimeMerge(mime_t *mime, /* I - MIME database to add to */ | |
211 | const char *pathname, /* I - Directory to load */ | |
212 | const char *filterpath) /* I - Directory to load */ | |
213 | { | |
214 | cups_dir_t *dir; /* Directory */ | |
215 | cups_dentry_t *dent; /* Directory entry */ | |
216 | char filename[1024]; /* Full filename of types/converts file */ | |
4400e98d | 217 | cups_array_t *filtercache; /* Filter cache */ |
ef416fc2 | 218 | |
219 | ||
220 | /* | |
221 | * First open the directory specified by pathname... Return NULL if nothing | |
222 | * was read or if the pathname is NULL... | |
223 | */ | |
224 | ||
fa73b229 | 225 | if (!pathname) |
ef416fc2 | 226 | return (NULL); |
227 | ||
fa73b229 | 228 | if ((dir = cupsDirOpen(pathname)) == NULL) |
ef416fc2 | 229 | return (NULL); |
230 | ||
231 | /* | |
232 | * If "mime" is NULL, make a new, blank database... | |
233 | */ | |
234 | ||
fa73b229 | 235 | if (!mime) |
236 | mime = mimeNew(); | |
237 | if (!mime) | |
238 | return (NULL); | |
ef416fc2 | 239 | |
240 | /* | |
241 | * Read all the .types files... | |
242 | */ | |
243 | ||
fa73b229 | 244 | while ((dent = cupsDirRead(dir)) != NULL) |
ef416fc2 | 245 | { |
fa73b229 | 246 | if (strlen(dent->filename) > 6 && |
247 | !strcmp(dent->filename + strlen(dent->filename) - 6, ".types")) | |
ef416fc2 | 248 | { |
249 | /* | |
250 | * Load a mime.types file... | |
251 | */ | |
252 | ||
fa73b229 | 253 | snprintf(filename, sizeof(filename), "%s/%s", pathname, dent->filename); |
ef416fc2 | 254 | load_types(mime, filename); |
255 | } | |
256 | } | |
257 | ||
fa73b229 | 258 | cupsDirRewind(dir); |
ef416fc2 | 259 | |
260 | /* | |
261 | * Read all the .convs files... | |
262 | */ | |
263 | ||
4400e98d | 264 | filtercache = cupsArrayNew((cups_array_func_t)compare_fcache, NULL); |
265 | ||
fa73b229 | 266 | while ((dent = cupsDirRead(dir)) != NULL) |
ef416fc2 | 267 | { |
fa73b229 | 268 | if (strlen(dent->filename) > 6 && |
269 | !strcmp(dent->filename + strlen(dent->filename) - 6, ".convs")) | |
ef416fc2 | 270 | { |
271 | /* | |
272 | * Load a mime.convs file... | |
273 | */ | |
274 | ||
fa73b229 | 275 | snprintf(filename, sizeof(filename), "%s/%s", pathname, dent->filename); |
4400e98d | 276 | load_convs(mime, filename, filterpath, filtercache); |
ef416fc2 | 277 | } |
278 | } | |
279 | ||
4400e98d | 280 | delete_fcache(filtercache); |
281 | ||
fa73b229 | 282 | cupsDirClose(dir); |
ef416fc2 | 283 | |
284 | return (mime); | |
ef416fc2 | 285 | } |
286 | ||
287 | ||
288 | /* | |
289 | * 'mimeNew()' - Create a new, empty MIME database. | |
290 | */ | |
291 | ||
fa73b229 | 292 | mime_t * /* O - MIME database */ |
ef416fc2 | 293 | mimeNew(void) |
294 | { | |
295 | return ((mime_t *)calloc(1, sizeof(mime_t))); | |
296 | } | |
297 | ||
298 | ||
fa73b229 | 299 | /* |
300 | * 'mimeNextFilter()' - Get the next filter in the MIME database. | |
301 | */ | |
302 | ||
303 | mime_filter_t * /* O - Filter or NULL */ | |
304 | mimeNextFilter(mime_t *mime) /* I - MIME database */ | |
305 | { | |
306 | if (!mime) | |
307 | return (NULL); | |
308 | else | |
309 | return ((mime_filter_t *)cupsArrayNext(mime->filters)); | |
310 | } | |
311 | ||
312 | ||
313 | /* | |
314 | * 'mimeNextType()' - Get the next type in the MIME database. | |
315 | */ | |
316 | ||
317 | mime_type_t * /* O - Type or NULL */ | |
318 | mimeNextType(mime_t *mime) /* I - MIME database */ | |
319 | { | |
320 | if (!mime) | |
321 | return (NULL); | |
322 | else | |
323 | return ((mime_type_t *)cupsArrayNext(mime->types)); | |
324 | } | |
325 | ||
326 | ||
327 | /* | |
328 | * 'mimeNumFilters()' - Get the number of filters in a MIME database. | |
329 | */ | |
330 | ||
331 | int | |
332 | mimeNumFilters(mime_t *mime) /* I - MIME database */ | |
333 | { | |
334 | if (!mime) | |
335 | return (0); | |
336 | else | |
337 | return (cupsArrayCount(mime->filters)); | |
338 | } | |
339 | ||
340 | ||
341 | /* | |
342 | * 'mimeNumTypes()' - Get the number of types in a MIME database. | |
343 | */ | |
344 | ||
345 | int | |
346 | mimeNumTypes(mime_t *mime) /* I - MIME database */ | |
347 | { | |
348 | if (!mime) | |
349 | return (0); | |
350 | else | |
351 | return (cupsArrayCount(mime->types)); | |
352 | } | |
353 | ||
354 | ||
ef416fc2 | 355 | /* |
4400e98d | 356 | * 'add_fcache()' - Add a filter to the filter cache. |
ef416fc2 | 357 | */ |
358 | ||
4400e98d | 359 | static const char * /* O - Full path to filter or NULL */ |
360 | add_fcache(cups_array_t *filtercache, /* I - Filter cache */ | |
361 | const char *name, /* I - Filter name */ | |
362 | const char *filterpath) /* I - Filter path */ | |
ef416fc2 | 363 | { |
4400e98d | 364 | _mime_fcache_t key, /* Search key */ |
365 | *temp; /* New filter cache */ | |
366 | char path[1024]; /* Full path to filter */ | |
ef416fc2 | 367 | |
368 | ||
4400e98d | 369 | key.name = (char *)name; |
370 | if ((temp = (_mime_fcache_t *)cupsArrayFind(filtercache, &key)) != NULL) | |
371 | return (temp->path); | |
ef416fc2 | 372 | |
4400e98d | 373 | if ((temp = calloc(1, sizeof(_mime_fcache_t))) == NULL) |
374 | return (NULL); | |
ef416fc2 | 375 | |
4400e98d | 376 | temp->name = strdup(name); |
ef416fc2 | 377 | |
4400e98d | 378 | if (cupsFileFind(name, filterpath, 1, path, sizeof(path))) |
379 | temp->path = strdup(path); | |
ef416fc2 | 380 | |
4400e98d | 381 | cupsArrayAdd(filtercache, temp); |
ef416fc2 | 382 | |
4400e98d | 383 | return (temp->path); |
384 | } | |
ef416fc2 | 385 | |
ef416fc2 | 386 | |
4400e98d | 387 | /* |
388 | * 'compare_fcache()' - Compare two filter cache entries. | |
389 | */ | |
ef416fc2 | 390 | |
4400e98d | 391 | static int /* O - Result of comparison */ |
392 | compare_fcache(_mime_fcache_t *a, /* I - First entry */ | |
393 | _mime_fcache_t *b) /* I - Second entry */ | |
394 | { | |
395 | return (strcmp(a->name, b->name)); | |
396 | } | |
ef416fc2 | 397 | |
ef416fc2 | 398 | |
4400e98d | 399 | /* |
400 | * 'delete_fcache()' - Free all memory used by the filter cache. | |
401 | */ | |
ef416fc2 | 402 | |
4400e98d | 403 | static void |
404 | delete_fcache(cups_array_t *filtercache)/* I - Filter cache */ | |
405 | { | |
406 | _mime_fcache_t *current; /* Current cache entry */ | |
ef416fc2 | 407 | |
ef416fc2 | 408 | |
4400e98d | 409 | for (current = (_mime_fcache_t *)cupsArrayFirst(filtercache); |
410 | current; | |
411 | current = (_mime_fcache_t *)cupsArrayNext(filtercache)) | |
412 | { | |
413 | free(current->name); | |
ef416fc2 | 414 | |
4400e98d | 415 | if (current->path) |
416 | free(current->path); | |
ef416fc2 | 417 | |
4400e98d | 418 | free(current); |
419 | } | |
ef416fc2 | 420 | |
4400e98d | 421 | cupsArrayDelete(filtercache); |
422 | } | |
ef416fc2 | 423 | |
ef416fc2 | 424 | |
4400e98d | 425 | /* |
426 | * 'delete_rules()' - Free all memory for the given rule tree. | |
427 | */ | |
ef416fc2 | 428 | |
4400e98d | 429 | static void |
430 | delete_rules(mime_magic_t *rules) /* I - Rules to free */ | |
431 | { | |
432 | mime_magic_t *next; /* Next rule to free */ | |
433 | ||
434 | ||
435 | /* | |
436 | * Free the rules list, descending recursively to free any child rules. | |
437 | */ | |
438 | ||
439 | while (rules != NULL) | |
440 | { | |
441 | next = rules->next; | |
442 | ||
443 | if (rules->child != NULL) | |
444 | delete_rules(rules->child); | |
445 | ||
446 | free(rules); | |
447 | rules = next; | |
448 | } | |
ef416fc2 | 449 | } |
450 | ||
451 | ||
452 | /* | |
453 | * 'load_convs()' - Load a xyz.convs file... | |
454 | */ | |
455 | ||
456 | static void | |
4400e98d | 457 | load_convs(mime_t *mime, /* I - MIME database */ |
458 | const char *filename, /* I - Convs file to load */ | |
459 | const char *filterpath, /* I - Path for filters */ | |
460 | cups_array_t *filtercache) /* I - Filter program cache */ | |
ef416fc2 | 461 | { |
ef416fc2 | 462 | cups_file_t *fp; /* Convs file */ |
463 | char line[1024], /* Input line from file */ | |
464 | *lineptr, /* Current position in line */ | |
465 | super[MIME_MAX_SUPER], /* Super-type name */ | |
466 | type[MIME_MAX_TYPE], /* Type name */ | |
467 | *temp, /* Temporary pointer */ | |
468 | *filter; /* Filter program */ | |
fa73b229 | 469 | mime_type_t *temptype, /* MIME type looping var */ |
ef416fc2 | 470 | *dsttype; /* Destination MIME type */ |
471 | int cost; /* Cost of filter */ | |
ef416fc2 | 472 | |
473 | ||
474 | /* | |
475 | * First try to open the file... | |
476 | */ | |
477 | ||
478 | if ((fp = cupsFileOpen(filename, "r")) == NULL) | |
479 | return; | |
480 | ||
ed486911 | 481 | DEBUG_printf(("\"%s\":\n", filename)); |
482 | ||
ef416fc2 | 483 | /* |
484 | * Then read each line from the file, skipping any comments in the file... | |
485 | */ | |
486 | ||
487 | while (cupsFileGets(fp, line, sizeof(line)) != NULL) | |
488 | { | |
489 | /* | |
490 | * Skip blank lines and lines starting with a #... | |
491 | */ | |
492 | ||
ed486911 | 493 | DEBUG_puts(line); |
494 | ||
ef416fc2 | 495 | if (!line[0] || line[0] == '#') |
496 | continue; | |
497 | ||
498 | /* | |
499 | * Strip trailing whitespace... | |
500 | */ | |
501 | ||
502 | for (lineptr = line + strlen(line) - 1; | |
503 | lineptr >= line && isspace(*lineptr & 255); | |
504 | lineptr --) | |
505 | *lineptr = '\0'; | |
506 | ||
507 | /* | |
508 | * Extract the destination super-type and type names from the middle of | |
509 | * the line. | |
510 | */ | |
511 | ||
512 | lineptr = line; | |
513 | while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\0') | |
514 | lineptr ++; | |
515 | ||
516 | while (*lineptr == ' ' || *lineptr == '\t') | |
517 | lineptr ++; | |
518 | ||
519 | temp = super; | |
520 | ||
521 | while (*lineptr != '/' && *lineptr != '\n' && *lineptr != '\0' && | |
522 | (temp - super + 1) < MIME_MAX_SUPER) | |
523 | *temp++ = tolower(*lineptr++ & 255); | |
524 | ||
525 | *temp = '\0'; | |
526 | ||
527 | if (*lineptr != '/') | |
528 | continue; | |
529 | ||
530 | lineptr ++; | |
531 | temp = type; | |
532 | ||
533 | while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\n' && | |
534 | *lineptr != '\0' && (temp - type + 1) < MIME_MAX_TYPE) | |
535 | *temp++ = tolower(*lineptr++ & 255); | |
536 | ||
537 | *temp = '\0'; | |
538 | ||
539 | if (*lineptr == '\0' || *lineptr == '\n') | |
540 | continue; | |
541 | ||
542 | if ((dsttype = mimeType(mime, super, type)) == NULL) | |
ed486911 | 543 | { |
544 | DEBUG_printf((" Destination type %s/%s not found!\n", super, type)); | |
ef416fc2 | 545 | continue; |
ed486911 | 546 | } |
ef416fc2 | 547 | |
548 | /* | |
549 | * Then get the cost and filter program... | |
550 | */ | |
551 | ||
552 | while (*lineptr == ' ' || *lineptr == '\t') | |
553 | lineptr ++; | |
554 | ||
555 | if (*lineptr < '0' || *lineptr > '9') | |
556 | continue; | |
557 | ||
558 | cost = atoi(lineptr); | |
559 | ||
560 | while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\0') | |
561 | lineptr ++; | |
562 | while (*lineptr == ' ' || *lineptr == '\t') | |
563 | lineptr ++; | |
564 | ||
565 | if (*lineptr == '\0' || *lineptr == '\n') | |
566 | continue; | |
567 | ||
568 | filter = lineptr; | |
569 | ||
fa73b229 | 570 | if (strcmp(filter, "-")) |
ef416fc2 | 571 | { |
572 | /* | |
573 | * Verify that the filter exists and is executable... | |
574 | */ | |
575 | ||
4400e98d | 576 | if (!add_fcache(filtercache, filter, filterpath)) |
ed486911 | 577 | { |
578 | DEBUG_printf((" Filter %s not found in %s!\n", filter, filterpath)); | |
fa73b229 | 579 | continue; |
ed486911 | 580 | } |
ef416fc2 | 581 | } |
ef416fc2 | 582 | |
583 | /* | |
584 | * Finally, get the source super-type and type names from the beginning of | |
585 | * the line. We do it here so we can support wildcards... | |
586 | */ | |
587 | ||
588 | lineptr = line; | |
589 | temp = super; | |
590 | ||
591 | while (*lineptr != '/' && *lineptr != '\n' && *lineptr != '\0' && | |
592 | (temp - super + 1) < MIME_MAX_SUPER) | |
593 | *temp++ = tolower(*lineptr++ & 255); | |
594 | ||
595 | *temp = '\0'; | |
596 | ||
597 | if (*lineptr != '/') | |
598 | continue; | |
599 | ||
600 | lineptr ++; | |
601 | temp = type; | |
602 | ||
603 | while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\n' && | |
604 | *lineptr != '\0' && (temp - type + 1) < MIME_MAX_TYPE) | |
605 | *temp++ = tolower(*lineptr++ & 255); | |
606 | ||
607 | *temp = '\0'; | |
608 | ||
fa73b229 | 609 | if (!strcmp(super, "*") && !strcmp(type, "*")) |
ef416fc2 | 610 | { |
611 | /* | |
612 | * Force * / * to be "application/octet-stream"... | |
613 | */ | |
614 | ||
615 | strcpy(super, "application"); | |
616 | strcpy(type, "octet-stream"); | |
617 | } | |
618 | ||
619 | /* | |
620 | * Add the filter to the MIME database, supporting wildcards as needed... | |
621 | */ | |
622 | ||
fa73b229 | 623 | for (temptype = (mime_type_t *)cupsArrayFirst(mime->types); |
624 | temptype; | |
625 | temptype = (mime_type_t *)cupsArrayNext(mime->types)) | |
626 | if ((super[0] == '*' || !strcmp(temptype->super, super)) && | |
627 | (type[0] == '*' || !strcmp(temptype->type, type))) | |
628 | mimeAddFilter(mime, temptype, dsttype, cost, filter); | |
ef416fc2 | 629 | } |
630 | ||
631 | cupsFileClose(fp); | |
632 | } | |
633 | ||
634 | ||
635 | /* | |
4400e98d | 636 | * 'load_types()' - Load a xyz.types file... |
ef416fc2 | 637 | */ |
638 | ||
639 | static void | |
4400e98d | 640 | load_types(mime_t *mime, /* I - MIME database */ |
641 | const char *filename) /* I - Types file to load */ | |
ef416fc2 | 642 | { |
4400e98d | 643 | cups_file_t *fp; /* Types file */ |
644 | int linelen; /* Length of line */ | |
a74454a7 | 645 | char line[32768], /* Input line from file */ |
4400e98d | 646 | *lineptr, /* Current position in line */ |
647 | super[MIME_MAX_SUPER], /* Super-type name */ | |
648 | type[MIME_MAX_TYPE], /* Type name */ | |
649 | *temp; /* Temporary pointer */ | |
650 | mime_type_t *typeptr; /* New MIME type */ | |
ef416fc2 | 651 | |
652 | ||
653 | /* | |
4400e98d | 654 | * First try to open the file... |
ef416fc2 | 655 | */ |
656 | ||
4400e98d | 657 | if ((fp = cupsFileOpen(filename, "r")) == NULL) |
658 | return; | |
659 | ||
ed486911 | 660 | DEBUG_printf(("\"%s\":\n", filename)); |
661 | ||
4400e98d | 662 | /* |
663 | * Then read each line from the file, skipping any comments in the file... | |
664 | */ | |
665 | ||
666 | while (cupsFileGets(fp, line, sizeof(line)) != NULL) | |
ef416fc2 | 667 | { |
4400e98d | 668 | /* |
669 | * Skip blank lines and lines starting with a #... | |
670 | */ | |
ef416fc2 | 671 | |
ed486911 | 672 | DEBUG_puts(line); |
673 | ||
4400e98d | 674 | if (!line[0] || line[0] == '#') |
675 | continue; | |
ef416fc2 | 676 | |
4400e98d | 677 | /* |
678 | * While the last character in the line is a backslash, continue on to the | |
679 | * next line (and the next, etc.) | |
680 | */ | |
681 | ||
682 | linelen = strlen(line); | |
683 | ||
684 | while (line[linelen - 1] == '\\') | |
685 | { | |
686 | linelen --; | |
687 | ||
688 | if (cupsFileGets(fp, line + linelen, sizeof(line) - linelen) == NULL) | |
689 | line[linelen] = '\0'; | |
690 | else | |
691 | linelen += strlen(line + linelen); | |
692 | } | |
693 | ||
694 | /* | |
695 | * Extract the super-type and type names from the beginning of the line. | |
696 | */ | |
697 | ||
698 | lineptr = line; | |
699 | temp = super; | |
700 | ||
701 | while (*lineptr != '/' && *lineptr != '\n' && *lineptr != '\0' && | |
702 | (temp - super + 1) < MIME_MAX_SUPER) | |
703 | *temp++ = tolower(*lineptr++ & 255); | |
704 | ||
705 | *temp = '\0'; | |
706 | ||
707 | if (*lineptr != '/') | |
708 | continue; | |
709 | ||
710 | lineptr ++; | |
711 | temp = type; | |
712 | ||
713 | while (*lineptr != ' ' && *lineptr != '\t' && *lineptr != '\n' && | |
714 | *lineptr != '\0' && (temp - type + 1) < MIME_MAX_TYPE) | |
715 | *temp++ = tolower(*lineptr++ & 255); | |
716 | ||
717 | *temp = '\0'; | |
718 | ||
719 | /* | |
720 | * Add the type and rules to the MIME database... | |
721 | */ | |
722 | ||
723 | typeptr = mimeAddType(mime, super, type); | |
724 | mimeAddTypeRule(typeptr, lineptr); | |
ef416fc2 | 725 | } |
4400e98d | 726 | |
727 | cupsFileClose(fp); | |
ef416fc2 | 728 | } |
729 | ||
730 | ||
731 | /* | |
bc44d920 | 732 | * End of "$Id: mime.c 6649 2007-07-11 21:46:42Z mike $". |
ef416fc2 | 733 | */ |