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bc44d920 | 1 | /* |
db1f069b | 2 | * "$Id: cupsfilter.c 6816 2007-08-20 20:16:00Z mike $" |
bc44d920 | 3 | * |
4 | * CUPS filtering program for the Common UNIX Printing System (CUPS). | |
5 | * | |
6 | * Copyright 2007 by Apple Inc. | |
7 | * Copyright 1997-2006 by Easy Software Products, all rights reserved. | |
8 | * | |
9 | * These coded instructions, statements, and computer programs are the | |
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/". | |
14 | * | |
15 | * Contents: | |
16 | * | |
17 | * main() - Main entry for the test program. | |
18 | * compare_pids() - Compare two filter PIDs... | |
19 | * escape_options() - Convert an options array to a string. | |
20 | * exec_filter() - Execute a single filter. | |
21 | * exec_filters() - Execute filters for the given file and options. | |
22 | * open_pipe() - Create a pipe which is closed on exec. | |
23 | * read_cupsd_conf() - Read the cupsd.conf file to get the filter settings. | |
24 | * set_string() - Copy and set a string. | |
25 | * usage() - Show program usage... | |
26 | */ | |
27 | ||
28 | /* | |
29 | * Include necessary headers... | |
30 | */ | |
31 | ||
32 | #include <cups/cups.h> | |
33 | #include <cups/i18n.h> | |
34 | #include <cups/string.h> | |
35 | #include <errno.h> | |
36 | #include "mime.h" | |
37 | #include <stdlib.h> | |
38 | #include <unistd.h> | |
39 | #include <fcntl.h> | |
40 | #include <sys/wait.h> | |
41 | #if defined(__APPLE__) | |
42 | # include <libgen.h> | |
43 | #endif /* __APPLE__ */ | |
44 | ||
45 | ||
46 | /* | |
47 | * Local globals... | |
48 | */ | |
49 | ||
50 | static char *DataDir = NULL;/* CUPS_DATADIR environment variable */ | |
51 | static char *FontPath = NULL; | |
52 | /* CUPS_FONTPATH environment variable */ | |
53 | static mime_filter_t GZIPFilter = /* gziptoany filter */ | |
54 | { | |
55 | NULL, /* Source type */ | |
56 | NULL, /* Destination type */ | |
57 | 0, /* Cost */ | |
58 | "gziptoany" /* Filter program to run */ | |
59 | }; | |
60 | static char *Path = NULL; /* PATH environment variable */ | |
61 | static char *ServerBin = NULL; | |
62 | /* CUPS_SERVERBIN environment variable */ | |
63 | static char *ServerRoot = NULL; | |
64 | /* CUPS_SERVERROOT environment variable */ | |
65 | static char *RIPCache = NULL; | |
66 | /* RIP_CACHE environment variable */ | |
67 | ||
68 | ||
69 | /* | |
70 | * Local functions... | |
71 | */ | |
72 | ||
73 | static int compare_pids(mime_filter_t *a, mime_filter_t *b); | |
74 | static char *escape_options(int num_options, cups_option_t *options); | |
75 | static int exec_filter(const char *filter, char **argv, char **envp, | |
76 | int infd, int outfd); | |
cc0d019f MS |
77 | static int exec_filters(cups_array_t *filters, const char *infile, |
78 | const char *outfile, const char *ppdfile, | |
db1f069b MS |
79 | const char *printer, const char *user, |
80 | const char *title, int num_options, | |
81 | cups_option_t *options); | |
bc44d920 | 82 | static int open_pipe(int *fds); |
83 | static int read_cupsd_conf(const char *filename); | |
84 | static void set_string(char **s, const char *val); | |
cc0d019f | 85 | static void usage(const char *command, const char *opt); |
bc44d920 | 86 | |
87 | ||
88 | /* | |
89 | * 'main()' - Main entry for the test program. | |
90 | */ | |
91 | ||
92 | int /* O - Exit status */ | |
93 | main(int argc, /* I - Number of command-line args */ | |
94 | char *argv[]) /* I - Command-line arguments */ | |
95 | { | |
96 | int i; /* Looping vars */ | |
cc0d019f MS |
97 | const char *command, /* Command name */ |
98 | *opt; /* Current option */ | |
99 | char *srctype, /* Source type */ | |
100 | *dsttype, /* Destination type */ | |
101 | super[MIME_MAX_SUPER], /* Super-type name */ | |
bc44d920 | 102 | type[MIME_MAX_TYPE]; /* Type name */ |
103 | int compression; /* Compression of file */ | |
104 | int cost; /* Cost of filters */ | |
105 | mime_t *mime; /* MIME database */ | |
cc0d019f MS |
106 | char *infile, /* File to filter */ |
107 | *outfile; /* File to create */ | |
bc44d920 | 108 | char cupsdconf[1024]; /* cupsd.conf file */ |
109 | const char *server_root; /* CUPS_SERVERROOT environment variable */ | |
110 | mime_type_t *src, /* Source type */ | |
111 | *dst; /* Destination type */ | |
112 | cups_array_t *filters; /* Filters for the file */ | |
113 | int num_options; /* Number of options */ | |
114 | cups_option_t *options; /* Options */ | |
115 | const char *ppdfile; /* PPD file */ | |
cc0d019f MS |
116 | const char *title, /* Title string */ |
117 | *user; /* Username */ | |
118 | int removeppd, /* Remove PPD file */ | |
119 | removeinfile; /* Remove input file */ | |
120 | int status; /* Execution status */ | |
bc44d920 | 121 | |
122 | ||
123 | /* | |
124 | * Setup defaults... | |
125 | */ | |
126 | ||
cc0d019f MS |
127 | if ((command = strrchr(argv[0], '/')) != NULL) |
128 | command ++; | |
129 | else | |
130 | command = argv[0]; | |
131 | ||
132 | mime = NULL; | |
133 | srctype = NULL; | |
134 | dsttype = "application/pdf"; | |
135 | infile = NULL; | |
136 | outfile = NULL; | |
137 | num_options = 0; | |
138 | options = NULL; | |
139 | ppdfile = NULL; | |
140 | title = NULL; | |
141 | user = cupsUser(); | |
142 | removeppd = 0; | |
143 | removeinfile = 0; | |
bc44d920 | 144 | |
145 | if ((server_root = getenv("CUPS_SERVERROOT")) == NULL) | |
146 | server_root = CUPS_SERVERROOT; | |
147 | ||
148 | snprintf(cupsdconf, sizeof(cupsdconf), "%s/cupsd.conf", server_root); | |
149 | ||
150 | /* | |
151 | * Process command-line arguments... | |
152 | */ | |
153 | ||
154 | _cupsSetLocale(argv); | |
155 | ||
156 | for (i = 1; i < argc; i ++) | |
157 | if (argv[i][0] == '-') | |
158 | { | |
159 | for (opt = argv[i] + 1; *opt; opt ++) | |
160 | switch (*opt) | |
161 | { | |
162 | case '-' : /* Next argument is a filename... */ | |
163 | i ++; | |
cc0d019f MS |
164 | if (i < argc && !infile) |
165 | infile = argv[i]; | |
bc44d920 | 166 | else |
cc0d019f MS |
167 | usage(command, opt); |
168 | break; | |
169 | ||
170 | case 'a' : /* Specify option... */ | |
171 | i ++; | |
172 | if (i < argc) | |
173 | num_options = cupsParseOptions(argv[i], num_options, &options); | |
174 | else | |
175 | usage(command, opt); | |
bc44d920 | 176 | break; |
177 | ||
178 | case 'c' : /* Specify cupsd.conf file location... */ | |
179 | i ++; | |
180 | if (i < argc) | |
cc0d019f MS |
181 | { |
182 | if (!strcmp(command, "convert")) | |
183 | num_options = cupsAddOption("copies", argv[i], num_options, | |
184 | &options); | |
185 | else | |
186 | strlcpy(cupsdconf, argv[i], sizeof(cupsdconf)); | |
187 | } | |
188 | else | |
189 | usage(command, opt); | |
190 | break; | |
191 | ||
192 | case 'D' : /* Delete input file after conversion */ | |
193 | removeinfile = 1; | |
194 | break; | |
195 | ||
196 | case 'f' : /* Specify input file... */ | |
197 | i ++; | |
198 | if (i < argc && !infile) | |
199 | infile = argv[i]; | |
200 | else | |
201 | usage(command, opt); | |
202 | break; | |
203 | ||
204 | case 'i' : /* Specify source MIME type... */ | |
205 | i ++; | |
206 | if (i < argc) | |
207 | { | |
208 | if (sscanf(argv[i], "%15[^/]/%255s", super, type) != 2) | |
209 | usage(command, opt); | |
210 | ||
211 | srctype = argv[i]; | |
212 | } | |
bc44d920 | 213 | else |
cc0d019f | 214 | usage(command, opt); |
bc44d920 | 215 | break; |
216 | ||
cc0d019f | 217 | case 'j' : /* Specify destination MIME type... */ |
bc44d920 | 218 | case 'm' : /* Specify destination MIME type... */ |
219 | i ++; | |
220 | if (i < argc) | |
221 | { | |
222 | if (sscanf(argv[i], "%15[^/]/%255s", super, type) != 2) | |
cc0d019f MS |
223 | usage(command, opt); |
224 | ||
225 | dsttype = argv[i]; | |
bc44d920 | 226 | } |
227 | else | |
cc0d019f | 228 | usage(command, opt); |
bc44d920 | 229 | break; |
230 | ||
231 | case 'n' : /* Specify number of copies... */ | |
232 | i ++; | |
233 | if (i < argc) | |
234 | num_options = cupsAddOption("copies", argv[i], num_options, | |
235 | &options); | |
236 | else | |
cc0d019f | 237 | usage(command, opt); |
bc44d920 | 238 | break; |
239 | ||
cc0d019f | 240 | case 'o' : /* Specify option(s) or output filename */ |
bc44d920 | 241 | i ++; |
242 | if (i < argc) | |
cc0d019f MS |
243 | { |
244 | if (!strcmp(command, "convert")) | |
245 | { | |
246 | if (outfile) | |
247 | usage(command, NULL); | |
248 | else | |
249 | outfile = argv[i]; | |
250 | } | |
251 | else | |
252 | num_options = cupsParseOptions(argv[i], num_options, | |
253 | &options); | |
254 | } | |
bc44d920 | 255 | else |
cc0d019f | 256 | usage(command, opt); |
bc44d920 | 257 | break; |
258 | ||
259 | case 'p' : /* Specify PPD file... */ | |
cc0d019f | 260 | case 'P' : /* Specify PPD file... */ |
bc44d920 | 261 | i ++; |
262 | if (i < argc) | |
263 | ppdfile = argv[i]; | |
264 | else | |
cc0d019f | 265 | usage(command, opt); |
bc44d920 | 266 | break; |
267 | ||
cc0d019f MS |
268 | case 't' : /* Specify title... */ |
269 | case 'J' : /* Specify title... */ | |
bc44d920 | 270 | i ++; |
271 | if (i < argc) | |
272 | title = argv[i]; | |
273 | else | |
cc0d019f MS |
274 | usage(command, opt); |
275 | break; | |
276 | ||
277 | case 'u' : /* Delete PPD file after conversion */ | |
278 | removeinfile = 1; | |
279 | break; | |
280 | ||
281 | case 'U' : /* Specify username... */ | |
282 | i ++; | |
283 | if (i < argc) | |
284 | user = argv[i]; | |
285 | else | |
286 | usage(command, opt); | |
bc44d920 | 287 | break; |
288 | ||
289 | default : /* Something we don't understand... */ | |
cc0d019f | 290 | usage(command, opt); |
bc44d920 | 291 | break; |
292 | } | |
293 | } | |
cc0d019f MS |
294 | else if (!infile) |
295 | { | |
296 | if (strcmp(command, "convert")) | |
297 | infile = argv[i]; | |
298 | else | |
299 | { | |
300 | _cupsLangPuts(stderr, | |
301 | _("convert: Use the -f option to specify a file to " | |
302 | "convert.\n")); | |
303 | usage(command, NULL); | |
304 | } | |
305 | } | |
bc44d920 | 306 | else |
307 | { | |
308 | _cupsLangPuts(stderr, | |
309 | _("cupsfilter: Only one filename can be specified!\n")); | |
cc0d019f | 310 | usage(command, NULL); |
bc44d920 | 311 | } |
312 | ||
cc0d019f MS |
313 | if (!infile && !srctype) |
314 | usage(command, NULL); | |
bc44d920 | 315 | |
316 | if (!title) | |
317 | { | |
cc0d019f MS |
318 | if (!infile) |
319 | title = "(stdin)"; | |
320 | else if ((title = strrchr(infile, '/')) != NULL) | |
bc44d920 | 321 | title ++; |
322 | else | |
cc0d019f | 323 | title = infile; |
bc44d920 | 324 | } |
325 | ||
326 | /* | |
327 | * Load the cupsd.conf file and create the MIME database... | |
328 | */ | |
329 | ||
330 | if (read_cupsd_conf(cupsdconf)) | |
331 | return (1); | |
332 | ||
333 | if ((mime = mimeLoad(ServerRoot, Path)) == NULL) | |
334 | { | |
335 | _cupsLangPrintf(stderr, | |
cc0d019f MS |
336 | _("%s: Unable to read MIME database from \"%s\"!\n"), |
337 | command, ServerRoot); | |
bc44d920 | 338 | return (1); |
339 | } | |
340 | ||
341 | /* | |
342 | * Get the source and destination types... | |
343 | */ | |
344 | ||
cc0d019f MS |
345 | if (srctype) |
346 | { | |
347 | sscanf(srctype, "%15[^/]/%255s", super, type); | |
348 | if ((src = mimeType(mime, super, type)) == NULL) | |
349 | { | |
350 | _cupsLangPrintf(stderr, | |
351 | _("%s: Unknown source MIME type %s/%s!\n"), | |
352 | command, super, type); | |
353 | return (1); | |
354 | } | |
355 | } | |
356 | else if ((src = mimeFileType(mime, infile, infile, &compression)) == NULL) | |
bc44d920 | 357 | { |
358 | _cupsLangPrintf(stderr, | |
cc0d019f MS |
359 | _("%s: Unable to determine MIME type of \"%s\"!\n"), |
360 | command, infile); | |
bc44d920 | 361 | return (1); |
362 | } | |
363 | ||
cc0d019f | 364 | sscanf(dsttype, "%15[^/]/%255s", super, type); |
bc44d920 | 365 | if ((dst = mimeType(mime, super, type)) == NULL) |
366 | { | |
367 | _cupsLangPrintf(stderr, | |
cc0d019f MS |
368 | _("%s: Unknown destination MIME type %s/%s!\n"), |
369 | command, super, type); | |
bc44d920 | 370 | return (1); |
371 | } | |
372 | ||
373 | /* | |
374 | * Figure out how to filter the file... | |
375 | */ | |
376 | ||
377 | if (src == dst) | |
378 | { | |
379 | /* | |
380 | * Special case - no filtering needed... | |
381 | */ | |
382 | ||
383 | filters = cupsArrayNew(NULL, NULL); | |
384 | cupsArrayAdd(filters, &GZIPFilter); | |
385 | } | |
386 | else if ((filters = mimeFilter(mime, src, dst, &cost)) == NULL) | |
387 | { | |
388 | _cupsLangPrintf(stderr, | |
cc0d019f MS |
389 | _("%s: No filter to convert from %s/%s to %s/%s!\n"), |
390 | command, src->super, src->type, dst->super, dst->type); | |
bc44d920 | 391 | return (1); |
392 | } | |
393 | else if (compression) | |
394 | cupsArrayInsert(filters, &GZIPFilter); | |
395 | ||
396 | /* | |
397 | * Do it! | |
398 | */ | |
399 | ||
db1f069b MS |
400 | status = exec_filters(filters, infile, outfile, ppdfile, |
401 | !strcmp(command, "convert") ? "tofile" : "cupsfilter", | |
402 | user, title, num_options, options); | |
cc0d019f MS |
403 | |
404 | /* | |
405 | * Remove files as needed, then exit... | |
406 | */ | |
407 | ||
408 | if (removeppd && ppdfile) | |
409 | unlink(ppdfile); | |
410 | ||
411 | if (removeinfile && infile) | |
412 | unlink(infile); | |
413 | ||
414 | return (status); | |
bc44d920 | 415 | } |
416 | ||
417 | ||
418 | /* | |
419 | * 'compare_pids()' - Compare two filter PIDs... | |
420 | */ | |
421 | ||
422 | static int /* O - Result of comparison */ | |
423 | compare_pids(mime_filter_t *a, /* I - First filter */ | |
424 | mime_filter_t *b) /* I - Second filter */ | |
425 | { | |
426 | /* | |
427 | * Because we're particularly lazy, we store the process ID in the "cost" | |
428 | * variable... | |
429 | */ | |
430 | ||
431 | return (a->cost - b->cost); | |
432 | } | |
433 | ||
434 | ||
435 | /* | |
436 | * 'escape_options()' - Convert an options array to a string. | |
437 | */ | |
438 | ||
439 | static char * /* O - Option string */ | |
440 | escape_options( | |
441 | int num_options, /* I - Number of options */ | |
442 | cups_option_t *options) /* I - Options */ | |
443 | { | |
444 | int i; /* Looping var */ | |
445 | cups_option_t *option; /* Current option */ | |
446 | int bytes; /* Number of bytes needed */ | |
447 | char *s, /* Option string */ | |
448 | *sptr, /* Pointer into string */ | |
449 | *vptr; /* Pointer into value */ | |
450 | ||
451 | ||
452 | /* | |
453 | * Figure out the worst-case number of bytes we need for the option string. | |
454 | */ | |
455 | ||
456 | for (i = num_options, option = options, bytes = 1; i > 0; i --, option ++) | |
457 | bytes += 2 * (strlen(option->name) + strlen(option->value)) + 2; | |
458 | ||
459 | s = malloc(bytes); | |
460 | ||
461 | /* | |
462 | * Copy the options to the string... | |
463 | */ | |
464 | ||
465 | for (i = num_options, option = options, sptr = s; i > 0; i --, option ++) | |
466 | { | |
467 | if (!strcmp(option->name, "copies")) | |
468 | continue; | |
469 | ||
470 | if (sptr > s) | |
471 | *sptr++ = ' '; | |
472 | ||
473 | strcpy(sptr, option->name); | |
474 | sptr += strlen(sptr); | |
475 | *sptr++ = '='; | |
476 | ||
477 | for (vptr = option->value; *vptr;) | |
478 | { | |
479 | if (strchr("\\ \t\n", *vptr)) | |
480 | *sptr++ = '\\'; | |
481 | ||
482 | *sptr++ = *vptr++; | |
483 | } | |
484 | } | |
485 | ||
486 | *sptr = '\0'; | |
487 | ||
bc44d920 | 488 | return (s); |
489 | } | |
490 | ||
491 | ||
492 | /* | |
493 | * 'exec_filter()' - Execute a single filter. | |
494 | */ | |
495 | ||
496 | static int /* O - Process ID or -1 on error */ | |
497 | exec_filter(const char *filter, /* I - Filter to execute */ | |
498 | char **argv, /* I - Argument list */ | |
499 | char **envp, /* I - Environment list */ | |
500 | int infd, /* I - Stdin file descriptor */ | |
501 | int outfd) /* I - Stdout file descriptor */ | |
502 | { | |
503 | int pid; /* Process ID */ | |
504 | #if defined(__APPLE__) | |
505 | char processPath[1024], /* CFProcessPath environment variable */ | |
506 | linkpath[1024]; /* Link path for symlinks... */ | |
507 | int linkbytes; /* Bytes for link path */ | |
508 | ||
509 | ||
510 | /* | |
511 | * Add special voodoo magic for MacOS X - this allows MacOS X | |
512 | * programs to access their bundle resources properly... | |
513 | */ | |
514 | ||
515 | if ((linkbytes = readlink(filter, linkpath, sizeof(linkpath) - 1)) > 0) | |
516 | { | |
517 | /* | |
518 | * Yes, this is a symlink to the actual program, nul-terminate and | |
519 | * use it... | |
520 | */ | |
521 | ||
522 | linkpath[linkbytes] = '\0'; | |
523 | ||
524 | if (linkpath[0] == '/') | |
525 | snprintf(processPath, sizeof(processPath), "CFProcessPath=%s", | |
526 | linkpath); | |
527 | else | |
528 | snprintf(processPath, sizeof(processPath), "CFProcessPath=%s/%s", | |
529 | dirname((char *)filter), linkpath); | |
530 | } | |
531 | else | |
532 | snprintf(processPath, sizeof(processPath), "CFProcessPath=%s", filter); | |
533 | ||
534 | envp[0] = processPath; /* Replace <CFProcessPath> string */ | |
535 | #endif /* __APPLE__ */ | |
536 | ||
537 | if ((pid = fork()) == 0) | |
538 | { | |
539 | /* | |
540 | * Child process goes here... | |
541 | * | |
542 | * Update stdin/stdout/stderr as needed... | |
543 | */ | |
544 | ||
545 | if (infd != 0) | |
546 | { | |
547 | close(0); | |
548 | if (infd > 0) | |
549 | dup(infd); | |
550 | else | |
551 | open("/dev/null", O_RDONLY); | |
552 | } | |
553 | ||
554 | if (outfd != 1) | |
555 | { | |
556 | close(1); | |
557 | if (outfd > 0) | |
558 | dup(outfd); | |
559 | else | |
560 | open("/dev/null", O_WRONLY); | |
561 | } | |
562 | ||
563 | close(3); | |
564 | open("/dev/null", O_RDWR); | |
565 | fcntl(3, F_SETFL, O_NDELAY); | |
566 | ||
567 | close(4); | |
568 | open("/dev/null", O_RDWR); | |
569 | fcntl(4, F_SETFL, O_NDELAY); | |
570 | ||
571 | /* | |
572 | * Execute command... | |
573 | */ | |
574 | ||
575 | execve(filter, argv, envp); | |
576 | ||
577 | perror(filter); | |
578 | ||
579 | exit(errno); | |
580 | } | |
581 | ||
582 | return (pid); | |
583 | } | |
584 | ||
585 | ||
586 | /* | |
587 | * 'exec_filters()' - Execute filters for the given file and options. | |
588 | */ | |
589 | ||
590 | static int /* O - 0 on success, 1 on error */ | |
591 | exec_filters(cups_array_t *filters, /* I - Array of filters to run */ | |
cc0d019f MS |
592 | const char *infile, /* I - File to filter */ |
593 | const char *outfile, /* I - File to create */ | |
bc44d920 | 594 | const char *ppdfile, /* I - PPD file, if any */ |
db1f069b | 595 | const char *printer, /* I - Printer name */ |
cc0d019f | 596 | const char *user, /* I - Username */ |
bc44d920 | 597 | const char *title, /* I - Job title */ |
598 | int num_options, /* I - Number of filter options */ | |
599 | cups_option_t *options) /* I - Filter options */ | |
600 | { | |
cc0d019f | 601 | int i; /* Looping var */ |
bc44d920 | 602 | const char *argv[8], /* Command-line arguments */ |
603 | *envp[11], /* Environment variables */ | |
604 | *temp; /* Temporary string */ | |
605 | char *optstr, /* Filter options */ | |
606 | cups_datadir[1024], /* CUPS_DATADIR */ | |
607 | cups_fontpath[1024], /* CUPS_FONTPATH */ | |
608 | cups_serverbin[1024], /* CUPS_SERVERBIN */ | |
609 | cups_serverroot[1024], /* CUPS_SERVERROOT */ | |
610 | lang[1024], /* LANG */ | |
611 | path[1024], /* PATH */ | |
612 | ppd[1024], /* PPD */ | |
613 | rip_cache[1024], /* RIP_CACHE */ | |
cc0d019f | 614 | userenv[1024], /* USER */ |
bc44d920 | 615 | program[1024]; /* Program to run */ |
616 | mime_filter_t *filter, /* Current filter */ | |
617 | *next; /* Next filter */ | |
618 | int current, /* Current filter */ | |
619 | filterfds[2][2], /* Pipes for filters */ | |
620 | pid, /* Process ID of filter */ | |
621 | status, /* Exit status */ | |
622 | retval; /* Return value */ | |
623 | cups_array_t *pids; /* Executed filters array */ | |
624 | mime_filter_t key; /* Search key for filters */ | |
cc0d019f | 625 | cups_lang_t *language; /* Current language */ |
bc44d920 | 626 | |
627 | ||
628 | /* | |
629 | * Setup the filter environment and command-line... | |
630 | */ | |
631 | ||
632 | optstr = escape_options(num_options, options); | |
633 | ||
634 | snprintf(cups_datadir, sizeof(cups_datadir), "CUPS_DATADIR=%s", DataDir); | |
635 | snprintf(cups_fontpath, sizeof(cups_fontpath), "CUPS_FONTPATH=%s", FontPath); | |
636 | snprintf(cups_serverbin, sizeof(cups_serverbin), "CUPS_SERVERBIN=%s", | |
637 | ServerBin); | |
638 | snprintf(cups_serverroot, sizeof(cups_serverroot), "CUPS_SERVERROOT=%s", | |
639 | ServerRoot); | |
cc0d019f MS |
640 | language = cupsLangDefault(); |
641 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", language->language); | |
bc44d920 | 642 | snprintf(path, sizeof(path), "PATH=%s", Path); |
643 | if (ppdfile) | |
644 | snprintf(ppd, sizeof(ppd), "PPD=%s", ppdfile); | |
645 | else if ((temp = getenv("PPD")) != NULL) | |
646 | snprintf(ppd, sizeof(ppd), "PPD=%s", temp); | |
647 | else | |
cc0d019f | 648 | #ifdef __APPLE__ |
db1f069b MS |
649 | if (!access("/System/Library/Frameworks/ApplicationServices.framework/" |
650 | "Versions/A/Frameworks/PrintCore.framework/Versions/A/" | |
651 | "Resources/English.lproj/Generic.ppd", 0)) | |
cc0d019f MS |
652 | strlcpy(ppd, "PPD=/System/Library/Frameworks/ApplicationServices.framework/" |
653 | "Versions/A/Frameworks/PrintCore.framework/Versions/A/" | |
654 | "Resources/English.lproj/Generic.ppd", sizeof(ppd)); | |
db1f069b MS |
655 | else |
656 | strlcpy(ppd, "PPD=/System/Library/Frameworks/ApplicationServices.framework/" | |
657 | "Versions/A/Frameworks/PrintCore.framework/Versions/A/" | |
658 | "Resources/Generic.ppd", sizeof(ppd)); | |
cc0d019f | 659 | #else |
bc44d920 | 660 | snprintf(ppd, sizeof(ppd), "PPD=%s/model/laserjet.ppd", DataDir); |
cc0d019f | 661 | #endif /* __APPLE__ */ |
bc44d920 | 662 | snprintf(rip_cache, sizeof(rip_cache), "RIP_CACHE=%s", RIPCache); |
cc0d019f | 663 | snprintf(userenv, sizeof(userenv), "USER=%s", user); |
bc44d920 | 664 | |
db1f069b MS |
665 | argv[0] = (char *)printer; |
666 | argv[1] = "1"; | |
cc0d019f | 667 | argv[2] = user; |
bc44d920 | 668 | argv[3] = title; |
669 | argv[4] = cupsGetOption("copies", num_options, options); | |
670 | argv[5] = optstr; | |
cc0d019f | 671 | argv[6] = infile; |
bc44d920 | 672 | argv[7] = NULL; |
673 | ||
674 | if (!argv[4]) | |
675 | argv[4] = "1"; | |
676 | ||
677 | envp[0] = "<CFProcessPath>"; | |
678 | envp[1] = cups_datadir; | |
679 | envp[2] = cups_fontpath; | |
680 | envp[3] = cups_serverbin; | |
681 | envp[4] = cups_serverroot; | |
682 | envp[5] = lang; | |
683 | envp[6] = path; | |
684 | envp[7] = ppd; | |
685 | envp[8] = rip_cache; | |
cc0d019f | 686 | envp[9] = userenv; |
bc44d920 | 687 | envp[10] = NULL; |
688 | ||
cc0d019f MS |
689 | for (i = 0; argv[i]; i ++) |
690 | fprintf(stderr, "DEBUG: argv[%d]=\"%s\"\n", i, argv[i]); | |
691 | ||
692 | for (i = 0; envp[i]; i ++) | |
693 | fprintf(stderr, "DEBUG: envp[%d]=\"%s\"\n", i, envp[i]); | |
694 | ||
bc44d920 | 695 | /* |
696 | * Execute all of the filters... | |
697 | */ | |
698 | ||
699 | pids = cupsArrayNew((cups_array_func_t)compare_pids, NULL); | |
700 | current = 0; | |
701 | filterfds[0][0] = -1; | |
702 | filterfds[0][1] = -1; | |
703 | filterfds[1][0] = -1; | |
704 | filterfds[1][1] = -1; | |
705 | ||
cc0d019f MS |
706 | if (!infile) |
707 | filterfds[0][0] = 0; | |
708 | ||
bc44d920 | 709 | for (filter = (mime_filter_t *)cupsArrayFirst(filters); |
710 | filter; | |
711 | filter = next, current = 1 - current) | |
712 | { | |
713 | next = (mime_filter_t *)cupsArrayNext(filters); | |
714 | ||
715 | if (filter->filter[0] == '/') | |
716 | strlcpy(program, filter->filter, sizeof(program)); | |
717 | else | |
718 | snprintf(program, sizeof(program), "%s/filter/%s", ServerBin, | |
719 | filter->filter); | |
720 | ||
721 | if (filterfds[!current][1] > 1) | |
722 | { | |
723 | close(filterfds[1 - current][0]); | |
724 | close(filterfds[1 - current][1]); | |
725 | ||
726 | filterfds[1 - current][0] = -1; | |
727 | filterfds[1 - current][0] = -1; | |
728 | } | |
729 | ||
730 | if (next) | |
731 | open_pipe(filterfds[1 - current]); | |
cc0d019f MS |
732 | else if (outfile) |
733 | { | |
734 | filterfds[1 - current][1] = open(outfile, O_CREAT | O_TRUNC | O_WRONLY, | |
735 | 0666); | |
736 | ||
737 | if (filterfds[1 - current][1] < 0) | |
738 | fprintf(stderr, "ERROR: Unable to create \"%s\" - %s\n", outfile, | |
739 | strerror(errno)); | |
740 | } | |
bc44d920 | 741 | else |
742 | filterfds[1 - current][1] = 1; | |
743 | ||
744 | pid = exec_filter(program, (char **)argv, (char **)envp, | |
745 | filterfds[current][0], filterfds[1 - current][1]); | |
746 | ||
747 | if (pid > 0) | |
748 | { | |
749 | fprintf(stderr, "INFO: %s (PID %d) started.\n", filter->filter, pid); | |
750 | ||
751 | filter->cost = pid; | |
752 | cupsArrayAdd(pids, filter); | |
753 | } | |
754 | else | |
755 | break; | |
756 | ||
757 | argv[6] = NULL; | |
758 | } | |
759 | ||
760 | /* | |
761 | * Close remaining pipes... | |
762 | */ | |
763 | ||
764 | if (filterfds[0][1] > 1) | |
765 | { | |
766 | close(filterfds[0][0]); | |
767 | close(filterfds[0][1]); | |
768 | } | |
769 | ||
770 | if (filterfds[1][1] > 1) | |
771 | { | |
772 | close(filterfds[1][0]); | |
773 | close(filterfds[1][1]); | |
774 | } | |
775 | ||
776 | /* | |
777 | * Wait for the children to exit... | |
778 | */ | |
779 | ||
780 | retval = 0; | |
781 | ||
782 | while (cupsArrayCount(pids) > 0) | |
783 | { | |
784 | if ((pid = wait(&status)) < 0) | |
785 | continue; | |
786 | ||
787 | key.cost = pid; | |
788 | if ((filter = (mime_filter_t *)cupsArrayFind(pids, &key)) != NULL) | |
789 | { | |
790 | cupsArrayRemove(pids, filter); | |
791 | ||
792 | if (status) | |
793 | { | |
794 | if (WIFEXITED(status)) | |
795 | fprintf(stderr, "ERROR: %s (PID %d) stopped with status %d!\n", | |
796 | filter->filter, pid, WEXITSTATUS(status)); | |
797 | else | |
798 | fprintf(stderr, "ERROR: %s (PID %d) crashed on signal %d!\n", | |
799 | filter->filter, pid, WTERMSIG(status)); | |
800 | ||
801 | retval = 1; | |
802 | } | |
803 | else | |
804 | fprintf(stderr, "INFO: %s (PID %d) exited with no errors.\n", | |
805 | filter->filter, pid); | |
806 | } | |
807 | } | |
808 | ||
809 | return (retval); | |
810 | } | |
811 | ||
812 | ||
813 | /* | |
814 | * 'open_pipe()' - Create a pipe which is closed on exec. | |
815 | */ | |
816 | ||
817 | int /* O - 0 on success, -1 on error */ | |
818 | open_pipe(int *fds) /* O - Pipe file descriptors (2) */ | |
819 | { | |
820 | /* | |
821 | * Create the pipe... | |
822 | */ | |
823 | ||
824 | if (pipe(fds)) | |
825 | { | |
826 | fds[0] = -1; | |
827 | fds[1] = -1; | |
828 | ||
829 | return (-1); | |
830 | } | |
831 | ||
832 | /* | |
833 | * Set the "close on exec" flag on each end of the pipe... | |
834 | */ | |
835 | ||
836 | if (fcntl(fds[0], F_SETFD, fcntl(fds[0], F_GETFD) | FD_CLOEXEC)) | |
837 | { | |
838 | close(fds[0]); | |
839 | close(fds[1]); | |
840 | ||
841 | fds[0] = -1; | |
842 | fds[1] = -1; | |
843 | ||
844 | return (-1); | |
845 | } | |
846 | ||
847 | if (fcntl(fds[1], F_SETFD, fcntl(fds[1], F_GETFD) | FD_CLOEXEC)) | |
848 | { | |
849 | close(fds[0]); | |
850 | close(fds[1]); | |
851 | ||
852 | fds[0] = -1; | |
853 | fds[1] = -1; | |
854 | ||
855 | return (-1); | |
856 | } | |
857 | ||
858 | /* | |
859 | * Return 0 indicating success... | |
860 | */ | |
861 | ||
862 | return (0); | |
863 | } | |
864 | ||
865 | ||
866 | /* | |
867 | * 'read_cupsd_conf()' - Read the cupsd.conf file to get the filter settings. | |
868 | */ | |
869 | ||
870 | static int /* O - 0 on success, 1 on error */ | |
871 | read_cupsd_conf(const char *filename) /* I - File to read */ | |
872 | { | |
cc0d019f | 873 | cups_file_t *fp; /* cupsd.conf file */ |
bc44d920 | 874 | const char *temp; /* Temporary string */ |
875 | char line[1024], /* Line from file */ | |
876 | *ptr; /* Pointer into line */ | |
cc0d019f | 877 | int linenum; /* Current line number */ |
bc44d920 | 878 | |
879 | ||
880 | if ((temp = getenv("CUPS_DATADIR")) != NULL) | |
881 | set_string(&DataDir, temp); | |
882 | else | |
883 | set_string(&DataDir, CUPS_DATADIR); | |
884 | ||
885 | if ((temp = getenv("CUPS_FONTPATH")) != NULL) | |
886 | set_string(&FontPath, temp); | |
887 | else | |
888 | set_string(&FontPath, CUPS_FONTPATH); | |
889 | ||
cc0d019f MS |
890 | set_string(&RIPCache, "8m"); |
891 | ||
bc44d920 | 892 | if ((temp = getenv("CUPS_SERVERBIN")) != NULL) |
893 | set_string(&ServerBin, temp); | |
894 | else | |
895 | set_string(&ServerBin, CUPS_SERVERBIN); | |
896 | ||
897 | strlcpy(line, filename, sizeof(line)); | |
898 | if ((ptr = strrchr(line, '/')) != NULL) | |
899 | *ptr = '\0'; | |
900 | else | |
901 | getcwd(line, sizeof(line)); | |
902 | ||
903 | set_string(&ServerRoot, line); | |
904 | ||
cc0d019f MS |
905 | if ((fp = cupsFileOpen(filename, "r")) != NULL) |
906 | { | |
907 | linenum = 0; | |
908 | ||
909 | while (cupsFileGetConf(fp, line, sizeof(line), &ptr, &linenum)) | |
910 | { | |
911 | if (!strcasecmp(line, "DataDir")) | |
912 | set_string(&DataDir, ptr); | |
913 | else if (!strcasecmp(line, "FontPath")) | |
914 | set_string(&FontPath, ptr); | |
915 | else if (!strcasecmp(line, "RIPCache")) | |
916 | set_string(&RIPCache, ptr); | |
917 | else if (!strcasecmp(line, "ServerBin")) | |
918 | set_string(&ServerBin, ptr); | |
919 | else if (!strcasecmp(line, "ServerRoot")) | |
920 | set_string(&ServerRoot, ptr); | |
921 | } | |
922 | ||
923 | cupsFileClose(fp); | |
924 | } | |
925 | ||
bc44d920 | 926 | snprintf(line, sizeof(line), |
927 | "%s/filter:" CUPS_BINDIR ":" CUPS_SBINDIR ":/bin/usr/bin", | |
928 | ServerBin); | |
929 | set_string(&Path, line); | |
930 | ||
931 | return (0); | |
932 | } | |
933 | ||
934 | ||
935 | /* | |
936 | * 'set_string()' - Copy and set a string. | |
937 | */ | |
938 | ||
939 | static void | |
940 | set_string(char **s, /* O - Copy of string */ | |
941 | const char *val) /* I - String to copy */ | |
942 | { | |
943 | if (*s) | |
944 | free(*s); | |
945 | ||
946 | *s = strdup(val); | |
947 | } | |
948 | ||
949 | ||
950 | /* | |
951 | * 'usage()' - Show program usage... | |
952 | */ | |
953 | ||
954 | static void | |
cc0d019f MS |
955 | usage(const char *command, /* I - Command name */ |
956 | const char *opt) /* I - Incorrect option, if any */ | |
bc44d920 | 957 | { |
958 | if (opt) | |
cc0d019f MS |
959 | _cupsLangPrintf(stderr, _("%s: Unknown option '%c'!\n"), command, *opt); |
960 | ||
961 | if (!strcmp(command, "cupsfilter")) | |
962 | _cupsLangPuts(stdout, | |
963 | _("Usage: cupsfilter -m mime/type [ options ] filename\n" | |
964 | "\n" | |
965 | "Options:\n" | |
966 | "\n" | |
967 | " -c cupsd.conf Set cupsd.conf file to use\n" | |
968 | " -n copies Set number of copies\n" | |
969 | " -o name=value Set option(s)\n" | |
970 | " -p filename.ppd Set PPD file\n" | |
971 | " -t title Set title\n")); | |
972 | else | |
973 | _cupsLangPuts(stdout, | |
974 | _("Usage: convert [ options ]\n" | |
975 | "\n" | |
976 | "Options:\n" | |
977 | "\n" | |
978 | " -f filename Set file to be converted (otherwise stdin)\n" | |
979 | " -o filename Set file to be generated (otherwise stdout)\n" | |
980 | " -i mime/type Set input MIME type (otherwise auto-typed)\n" | |
981 | " -j mime/type Set output MIME type (otherwise application/pdf)\n" | |
982 | " -P filename.ppd Set PPD file\n" | |
983 | " -a 'name=value ...' Set option(s)\n" | |
984 | " -U username Set username for job\n" | |
985 | " -J title Set title\n" | |
986 | " -c copies Set number of copies\n" | |
987 | " -u Remove the PPD file when finished\n" | |
988 | " -D Remove the input file when finished\n")); | |
bc44d920 | 989 | |
990 | exit(1); | |
991 | } | |
992 | ||
993 | ||
994 | /* | |
db1f069b | 995 | * End of "$Id: cupsfilter.c 6816 2007-08-20 20:16:00Z mike $". |
bc44d920 | 996 | */ |