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1 | /* | |
2 | * "$Id: cupsfilter.c 7952 2008-09-17 00:56:20Z mike $" | |
3 | * | |
4 | * Filtering program for CUPS. | |
5 | * | |
6 | * Copyright 2007-2011 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 | * add_printer_filter() - Add a single filters from a PPD file. | |
19 | * add_printer_filters() - Add filters from a PPD file. | |
20 | * check_cb() - Callback function for _cupsFileCheck. | |
21 | * compare_pids() - Compare two filter PIDs... | |
22 | * escape_options() - Convert an options array to a string. | |
23 | * exec_filter() - Execute a single filter. | |
24 | * exec_filters() - Execute filters for the given file and options. | |
25 | * get_job_file() - Get the specified job file. | |
26 | * open_pipe() - Create a pipe which is closed on exec. | |
27 | * read_cupsd_conf() - Read the cupsd.conf file to get the filter | |
28 | * settings. | |
29 | * set_string() - Copy and set a string. | |
30 | * sighandler() - Signal catcher for when we print from stdin... | |
31 | * usage() - Show program usage... | |
32 | */ | |
33 | ||
34 | /* | |
35 | * Include necessary headers... | |
36 | */ | |
37 | ||
38 | #include <cups/cups-private.h> | |
39 | #include <cups/file-private.h> | |
40 | #include <cups/ppd-private.h> | |
41 | #include "mime.h" | |
42 | #include <limits.h> | |
43 | #include <unistd.h> | |
44 | #include <fcntl.h> | |
45 | #include <signal.h> | |
46 | #include <sys/wait.h> | |
47 | #if defined(__APPLE__) | |
48 | # include <libgen.h> | |
49 | #endif /* __APPLE__ */ | |
50 | ||
51 | ||
52 | /* | |
53 | * Local globals... | |
54 | */ | |
55 | ||
56 | static char *DataDir = NULL;/* CUPS_DATADIR environment variable */ | |
57 | static char *FontPath = NULL; | |
58 | /* CUPS_FONTPATH environment variable */ | |
59 | static mime_filter_t GZIPFilter = /* gziptoany filter */ | |
60 | { | |
61 | NULL, /* Source type */ | |
62 | NULL, /* Destination type */ | |
63 | 0, /* Cost */ | |
64 | "gziptoany" /* Filter program to run */ | |
65 | }; | |
66 | static char *Path = NULL; /* PATH environment variable */ | |
67 | static char *ServerBin = NULL; | |
68 | /* CUPS_SERVERBIN environment variable */ | |
69 | static char *ServerRoot = NULL; | |
70 | /* CUPS_SERVERROOT environment variable */ | |
71 | static char *RIPCache = NULL; | |
72 | /* RIP_MAX_CACHE environment variable */ | |
73 | static char TempFile[1024] = ""; | |
74 | /* Temporary file */ | |
75 | ||
76 | ||
77 | /* | |
78 | * Local functions... | |
79 | */ | |
80 | ||
81 | static void add_printer_filter(const char *command, mime_t *mime, | |
82 | mime_type_t *printer_type, | |
83 | const char *filter); | |
84 | static mime_type_t *add_printer_filters(const char *command, | |
85 | mime_t *mime, const char *printer, | |
86 | const char *ppdfile, | |
87 | mime_type_t **prefilter_type); | |
88 | static void check_cb(void *context, _cups_fc_result_t result, | |
89 | const char *message); | |
90 | static int compare_pids(mime_filter_t *a, mime_filter_t *b); | |
91 | static char *escape_options(int num_options, cups_option_t *options); | |
92 | static int exec_filter(const char *filter, char **argv, | |
93 | char **envp, int infd, int outfd); | |
94 | static int exec_filters(mime_type_t *srctype, | |
95 | cups_array_t *filters, const char *infile, | |
96 | const char *outfile, const char *ppdfile, | |
97 | const char *printer, const char *user, | |
98 | const char *title, int num_options, | |
99 | cups_option_t *options); | |
100 | static void get_job_file(const char *job); | |
101 | static int open_pipe(int *fds); | |
102 | static int read_cupsd_conf(const char *filename); | |
103 | static void set_string(char **s, const char *val); | |
104 | static void sighandler(int sig); | |
105 | static void usage(const char *command, const char *opt) | |
106 | __attribute__((noreturn)); | |
107 | ||
108 | ||
109 | /* | |
110 | * 'main()' - Main entry for the test program. | |
111 | */ | |
112 | ||
113 | int /* O - Exit status */ | |
114 | main(int argc, /* I - Number of command-line args */ | |
115 | char *argv[]) /* I - Command-line arguments */ | |
116 | { | |
117 | int i; /* Looping vars */ | |
118 | const char *command, /* Command name */ | |
119 | *opt, /* Current option */ | |
120 | *printer; /* Printer name */ | |
121 | mime_type_t *printer_type, /* Printer MIME type */ | |
122 | *prefilter_type; /* Printer prefilter MIME type */ | |
123 | char *srctype, /* Source type */ | |
124 | *dsttype, /* Destination type */ | |
125 | super[MIME_MAX_SUPER], /* Super-type name */ | |
126 | type[MIME_MAX_TYPE]; /* Type name */ | |
127 | int compression; /* Compression of file */ | |
128 | int cost; /* Cost of filters */ | |
129 | mime_t *mime; /* MIME database */ | |
130 | char mimedir[1024]; /* MIME directory */ | |
131 | char *infile, /* File to filter */ | |
132 | *outfile; /* File to create */ | |
133 | char cupsdconf[1024]; /* cupsd.conf file */ | |
134 | const char *server_root; /* CUPS_SERVERROOT environment variable */ | |
135 | mime_type_t *src, /* Source type */ | |
136 | *dst; /* Destination type */ | |
137 | cups_array_t *filters; /* Filters for the file */ | |
138 | int num_options; /* Number of options */ | |
139 | cups_option_t *options; /* Options */ | |
140 | const char *ppdfile; /* PPD file */ | |
141 | const char *title, /* Title string */ | |
142 | *user; /* Username */ | |
143 | int all_filters, /* Use all filters */ | |
144 | removeppd, /* Remove PPD file */ | |
145 | removeinfile; /* Remove input file */ | |
146 | int status; /* Execution status */ | |
147 | ||
148 | ||
149 | /* | |
150 | * Setup defaults... | |
151 | */ | |
152 | ||
153 | if ((command = strrchr(argv[0], '/')) != NULL) | |
154 | command ++; | |
155 | else | |
156 | command = argv[0]; | |
157 | ||
158 | printer = !strcmp(command, "convert") ? "tofile" : "cupsfilter"; | |
159 | mime = NULL; | |
160 | srctype = NULL; | |
161 | compression = 0; | |
162 | dsttype = "application/pdf"; | |
163 | infile = NULL; | |
164 | outfile = NULL; | |
165 | num_options = 0; | |
166 | options = NULL; | |
167 | ppdfile = NULL; | |
168 | title = NULL; | |
169 | user = cupsUser(); | |
170 | all_filters = 0; | |
171 | removeppd = 0; | |
172 | removeinfile = 0; | |
173 | ||
174 | if ((server_root = getenv("CUPS_SERVERROOT")) == NULL) | |
175 | server_root = CUPS_SERVERROOT; | |
176 | ||
177 | snprintf(cupsdconf, sizeof(cupsdconf), "%s/cupsd.conf", server_root); | |
178 | ||
179 | /* | |
180 | * Process command-line arguments... | |
181 | */ | |
182 | ||
183 | _cupsSetLocale(argv); | |
184 | ||
185 | for (i = 1; i < argc; i ++) | |
186 | if (argv[i][0] == '-') | |
187 | { | |
188 | for (opt = argv[i] + 1; *opt; opt ++) | |
189 | switch (*opt) | |
190 | { | |
191 | case '-' : /* Next argument is a filename... */ | |
192 | i ++; | |
193 | if (i < argc && !infile) | |
194 | infile = argv[i]; | |
195 | else | |
196 | usage(command, opt); | |
197 | break; | |
198 | ||
199 | case 'a' : /* Specify option... */ | |
200 | i ++; | |
201 | if (i < argc) | |
202 | num_options = cupsParseOptions(argv[i], num_options, &options); | |
203 | else | |
204 | usage(command, opt); | |
205 | break; | |
206 | ||
207 | case 'c' : /* Specify cupsd.conf file location... */ | |
208 | i ++; | |
209 | if (i < argc) | |
210 | { | |
211 | if (!strcmp(command, "convert")) | |
212 | num_options = cupsAddOption("copies", argv[i], num_options, | |
213 | &options); | |
214 | else | |
215 | strlcpy(cupsdconf, argv[i], sizeof(cupsdconf)); | |
216 | } | |
217 | else | |
218 | usage(command, opt); | |
219 | break; | |
220 | ||
221 | case 'd' : /* Specify the real printer name */ | |
222 | i ++; | |
223 | if (i < argc) | |
224 | printer = argv[i]; | |
225 | else | |
226 | usage(command, opt); | |
227 | break; | |
228 | ||
229 | case 'D' : /* Delete input file after conversion */ | |
230 | removeinfile = 1; | |
231 | break; | |
232 | ||
233 | case 'e' : /* Use every filter from the PPD file */ | |
234 | all_filters = 1; | |
235 | break; | |
236 | ||
237 | case 'f' : /* Specify input file... */ | |
238 | i ++; | |
239 | if (i < argc && !infile) | |
240 | infile = argv[i]; | |
241 | else | |
242 | usage(command, opt); | |
243 | break; | |
244 | ||
245 | case 'i' : /* Specify source MIME type... */ | |
246 | i ++; | |
247 | if (i < argc) | |
248 | { | |
249 | if (sscanf(argv[i], "%15[^/]/%255s", super, type) != 2) | |
250 | usage(command, opt); | |
251 | ||
252 | srctype = argv[i]; | |
253 | } | |
254 | else | |
255 | usage(command, opt); | |
256 | break; | |
257 | ||
258 | case 'j' : /* Get job file or specify destination MIME type... */ | |
259 | if (strcmp(command, "convert")) | |
260 | { | |
261 | i ++; | |
262 | if (i < argc) | |
263 | { | |
264 | get_job_file(argv[i]); | |
265 | infile = TempFile; | |
266 | } | |
267 | else | |
268 | usage(command, opt); | |
269 | ||
270 | break; | |
271 | } | |
272 | ||
273 | case 'm' : /* Specify destination MIME type... */ | |
274 | i ++; | |
275 | if (i < argc) | |
276 | { | |
277 | if (sscanf(argv[i], "%15[^/]/%255s", super, type) != 2) | |
278 | usage(command, opt); | |
279 | ||
280 | dsttype = argv[i]; | |
281 | } | |
282 | else | |
283 | usage(command, opt); | |
284 | break; | |
285 | ||
286 | case 'n' : /* Specify number of copies... */ | |
287 | i ++; | |
288 | if (i < argc) | |
289 | num_options = cupsAddOption("copies", argv[i], num_options, | |
290 | &options); | |
291 | else | |
292 | usage(command, opt); | |
293 | break; | |
294 | ||
295 | case 'o' : /* Specify option(s) or output filename */ | |
296 | i ++; | |
297 | if (i < argc) | |
298 | { | |
299 | if (!strcmp(command, "convert")) | |
300 | { | |
301 | if (outfile) | |
302 | usage(command, NULL); | |
303 | else | |
304 | outfile = argv[i]; | |
305 | } | |
306 | else | |
307 | num_options = cupsParseOptions(argv[i], num_options, | |
308 | &options); | |
309 | } | |
310 | else | |
311 | usage(command, opt); | |
312 | break; | |
313 | ||
314 | case 'p' : /* Specify PPD file... */ | |
315 | case 'P' : /* Specify PPD file... */ | |
316 | i ++; | |
317 | if (i < argc) | |
318 | ppdfile = argv[i]; | |
319 | else | |
320 | usage(command, opt); | |
321 | break; | |
322 | ||
323 | case 't' : /* Specify title... */ | |
324 | case 'J' : /* Specify title... */ | |
325 | i ++; | |
326 | if (i < argc) | |
327 | title = argv[i]; | |
328 | else | |
329 | usage(command, opt); | |
330 | break; | |
331 | ||
332 | case 'u' : /* Delete PPD file after conversion */ | |
333 | removeppd = 1; | |
334 | break; | |
335 | ||
336 | case 'U' : /* Specify username... */ | |
337 | i ++; | |
338 | if (i < argc) | |
339 | user = argv[i]; | |
340 | else | |
341 | usage(command, opt); | |
342 | break; | |
343 | ||
344 | default : /* Something we don't understand... */ | |
345 | usage(command, opt); | |
346 | break; | |
347 | } | |
348 | } | |
349 | else if (!infile) | |
350 | { | |
351 | if (strcmp(command, "convert")) | |
352 | infile = argv[i]; | |
353 | else | |
354 | { | |
355 | _cupsLangPuts(stderr, | |
356 | _("convert: Use the -f option to specify a file to " | |
357 | "convert.")); | |
358 | usage(command, NULL); | |
359 | } | |
360 | } | |
361 | else | |
362 | { | |
363 | _cupsLangPuts(stderr, | |
364 | _("cupsfilter: Only one filename can be specified.")); | |
365 | usage(command, NULL); | |
366 | } | |
367 | ||
368 | if (!infile && !srctype) | |
369 | usage(command, NULL); | |
370 | ||
371 | if (!title) | |
372 | { | |
373 | if (!infile) | |
374 | title = "(stdin)"; | |
375 | else if ((title = strrchr(infile, '/')) != NULL) | |
376 | title ++; | |
377 | else | |
378 | title = infile; | |
379 | } | |
380 | ||
381 | /* | |
382 | * Load the cupsd.conf file and create the MIME database... | |
383 | */ | |
384 | ||
385 | if (read_cupsd_conf(cupsdconf)) | |
386 | return (1); | |
387 | ||
388 | snprintf(mimedir, sizeof(mimedir), "%s/mime", DataDir); | |
389 | ||
390 | mime = mimeLoadTypes(NULL, mimedir); | |
391 | mime = mimeLoadTypes(mime, ServerRoot); | |
392 | mime = mimeLoadFilters(mime, mimedir, Path); | |
393 | mime = mimeLoadFilters(mime, ServerRoot, Path); | |
394 | ||
395 | if (!mime) | |
396 | { | |
397 | _cupsLangPrintf(stderr, | |
398 | _("%s: Unable to read MIME database from \"%s\" or " | |
399 | "\"%s\"."), | |
400 | command, mimedir, ServerRoot); | |
401 | return (1); | |
402 | } | |
403 | ||
404 | prefilter_type = NULL; | |
405 | ||
406 | if (all_filters) | |
407 | printer_type = add_printer_filters(command, mime, printer, ppdfile, | |
408 | &prefilter_type); | |
409 | else | |
410 | printer_type = mimeType(mime, "application", "vnd.cups-postscript"); | |
411 | ||
412 | /* | |
413 | * Get the source and destination types... | |
414 | */ | |
415 | ||
416 | if (srctype) | |
417 | { | |
418 | sscanf(srctype, "%15[^/]/%255s", super, type); | |
419 | if ((src = mimeType(mime, super, type)) == NULL) | |
420 | { | |
421 | _cupsLangPrintf(stderr, | |
422 | _("%s: Unknown source MIME type %s/%s."), | |
423 | command, super, type); | |
424 | return (1); | |
425 | } | |
426 | } | |
427 | else if ((src = mimeFileType(mime, infile, infile, &compression)) == NULL) | |
428 | { | |
429 | _cupsLangPrintf(stderr, | |
430 | _("%s: Unable to determine MIME type of \"%s\"."), | |
431 | command, infile); | |
432 | return (1); | |
433 | } | |
434 | ||
435 | sscanf(dsttype, "%15[^/]/%255s", super, type); | |
436 | if (!_cups_strcasecmp(super, "printer")) | |
437 | dst = printer_type; | |
438 | else if ((dst = mimeType(mime, super, type)) == NULL) | |
439 | { | |
440 | _cupsLangPrintf(stderr, | |
441 | _("%s: Unknown destination MIME type %s/%s."), | |
442 | command, super, type); | |
443 | return (1); | |
444 | } | |
445 | ||
446 | /* | |
447 | * Figure out how to filter the file... | |
448 | */ | |
449 | ||
450 | if (src == dst) | |
451 | { | |
452 | /* | |
453 | * Special case - no filtering needed... | |
454 | */ | |
455 | ||
456 | filters = cupsArrayNew(NULL, NULL); | |
457 | cupsArrayAdd(filters, &GZIPFilter); | |
458 | GZIPFilter.src = src; | |
459 | GZIPFilter.dst = dst; | |
460 | } | |
461 | else if ((filters = mimeFilter(mime, src, dst, &cost)) == NULL) | |
462 | { | |
463 | _cupsLangPrintf(stderr, | |
464 | _("%s: No filter to convert from %s/%s to %s/%s."), | |
465 | command, src->super, src->type, dst->super, dst->type); | |
466 | return (1); | |
467 | } | |
468 | else if (compression) | |
469 | cupsArrayInsert(filters, &GZIPFilter); | |
470 | ||
471 | if (prefilter_type) | |
472 | { | |
473 | /* | |
474 | * Add pre-filters... | |
475 | */ | |
476 | ||
477 | mime_filter_t *filter, /* Current filter */ | |
478 | *prefilter; /* Current pre-filter */ | |
479 | cups_array_t *prefilters = cupsArrayNew(NULL, NULL); | |
480 | /* New filters array */ | |
481 | ||
482 | ||
483 | for (filter = (mime_filter_t *)cupsArrayFirst(filters); | |
484 | filter; | |
485 | filter = (mime_filter_t *)cupsArrayNext(filters)) | |
486 | { | |
487 | if ((prefilter = mimeFilterLookup(mime, filter->src, | |
488 | prefilter_type)) != NULL) | |
489 | cupsArrayAdd(prefilters, prefilter); | |
490 | ||
491 | cupsArrayAdd(prefilters, filter); | |
492 | } | |
493 | ||
494 | cupsArrayDelete(filters); | |
495 | filters = prefilters; | |
496 | } | |
497 | ||
498 | /* | |
499 | * Do it! | |
500 | */ | |
501 | ||
502 | status = exec_filters(src, filters, infile, outfile, ppdfile, printer, user, | |
503 | title, num_options, options); | |
504 | ||
505 | /* | |
506 | * Remove files as needed, then exit... | |
507 | */ | |
508 | ||
509 | if (TempFile[0]) | |
510 | unlink(TempFile); | |
511 | ||
512 | if (removeppd && ppdfile) | |
513 | unlink(ppdfile); | |
514 | ||
515 | if (removeinfile && infile) | |
516 | unlink(infile); | |
517 | ||
518 | return (status); | |
519 | } | |
520 | ||
521 | ||
522 | /* | |
523 | * 'add_printer_filter()' - Add a single filters from a PPD file. | |
524 | */ | |
525 | ||
526 | static void | |
527 | add_printer_filter( | |
528 | const char *command, /* I - Command name */ | |
529 | mime_t *mime, /* I - MIME database */ | |
530 | mime_type_t *filtertype, /* I - Printer or prefilter MIME type */ | |
531 | const char *filter) /* I - Filter to add */ | |
532 | { | |
533 | char super[MIME_MAX_SUPER], /* Super-type for filter */ | |
534 | type[MIME_MAX_TYPE], /* Type for filter */ | |
535 | dsuper[MIME_MAX_SUPER], /* Destination super-type for filter */ | |
536 | dtype[MIME_MAX_TYPE], /* Destination type for filter */ | |
537 | dest[MIME_MAX_SUPER + MIME_MAX_TYPE + 2], | |
538 | /* Destination super/type */ | |
539 | program[1024]; /* Program/filter name */ | |
540 | int cost; /* Cost of filter */ | |
541 | size_t maxsize = 0; /* Maximum supported file size */ | |
542 | mime_type_t *temptype, /* MIME type looping var */ | |
543 | *desttype; /* Destination MIME type */ | |
544 | mime_filter_t *filterptr; /* MIME filter */ | |
545 | ||
546 | ||
547 | /* | |
548 | * Parse the filter string; it should be in one of the following formats: | |
549 | * | |
550 | * source/type cost program | |
551 | * source/type cost maxsize(nnnn) program | |
552 | * source/type dest/type cost program | |
553 | * source/type dest/type cost maxsize(nnnn) program | |
554 | */ | |
555 | ||
556 | if (sscanf(filter, "%15[^/]/%255s%*[ \t]%15[^/]/%255s%d%*[ \t]%1023[^\n]", | |
557 | super, type, dsuper, dtype, &cost, program) == 6) | |
558 | { | |
559 | snprintf(dest, sizeof(dest), "%s/%s/%s", filtertype->type, dsuper, dtype); | |
560 | ||
561 | if ((desttype = mimeType(mime, "printer", dest)) == NULL) | |
562 | desttype = mimeAddType(mime, "printer", dest); | |
563 | } | |
564 | else | |
565 | { | |
566 | if (sscanf(filter, "%15[^/]/%255s%d%*[ \t]%1023[^\n]", super, type, &cost, | |
567 | program) == 4) | |
568 | { | |
569 | desttype = filtertype; | |
570 | } | |
571 | else | |
572 | { | |
573 | _cupsLangPrintf(stderr, _("%s: Invalid filter string \"%s\"."), command, | |
574 | filter); | |
575 | return; | |
576 | } | |
577 | } | |
578 | ||
579 | if (!strncmp(program, "maxsize(", 8)) | |
580 | { | |
581 | char *ptr; /* Pointer into maxsize(nnnn) program */ | |
582 | ||
583 | maxsize = strtoll(program + 8, &ptr, 10); | |
584 | ||
585 | if (*ptr != ')') | |
586 | { | |
587 | printf("testmime: Invalid filter string \"%s\".\n", filter); | |
588 | return; | |
589 | } | |
590 | ||
591 | ptr ++; | |
592 | while (_cups_isspace(*ptr)) | |
593 | ptr ++; | |
594 | ||
595 | _cups_strcpy(program, ptr); | |
596 | } | |
597 | ||
598 | /* | |
599 | * See if the filter program exists; if not, stop the printer and flag | |
600 | * the error! | |
601 | */ | |
602 | ||
603 | if (strcmp(program, "-")) | |
604 | { | |
605 | char filename[1024]; /* Full path to program */ | |
606 | ||
607 | if (program[0] == '/') | |
608 | strlcpy(filename, program, sizeof(filename)); | |
609 | else | |
610 | snprintf(filename, sizeof(filename), "%s/filter/%s", ServerBin, program); | |
611 | ||
612 | if (_cupsFileCheck(filename, _CUPS_FILE_CHECK_PROGRAM, !geteuid(), check_cb, | |
613 | (void *)command)) | |
614 | return; | |
615 | } | |
616 | ||
617 | /* | |
618 | * Add the filter to the MIME database, supporting wildcards as needed... | |
619 | */ | |
620 | ||
621 | for (temptype = mimeFirstType(mime); | |
622 | temptype; | |
623 | temptype = mimeNextType(mime)) | |
624 | if (((super[0] == '*' && _cups_strcasecmp(temptype->super, "printer")) || | |
625 | !_cups_strcasecmp(temptype->super, super)) && | |
626 | (type[0] == '*' || !_cups_strcasecmp(temptype->type, type))) | |
627 | { | |
628 | if (desttype != filtertype) | |
629 | { | |
630 | filterptr = mimeAddFilter(mime, temptype, desttype, cost, program); | |
631 | ||
632 | if (!mimeFilterLookup(mime, desttype, filtertype)) | |
633 | mimeAddFilter(mime, desttype, filtertype, 0, "-"); | |
634 | } | |
635 | else | |
636 | filterptr = mimeAddFilter(mime, temptype, filtertype, cost, program); | |
637 | ||
638 | if (filterptr) | |
639 | filterptr->maxsize = maxsize; | |
640 | } | |
641 | } | |
642 | ||
643 | ||
644 | /* | |
645 | * 'add_printer_filters()' - Add filters from a PPD file. | |
646 | */ | |
647 | ||
648 | static mime_type_t * /* O - Printer type or NULL on error */ | |
649 | add_printer_filters( | |
650 | const char *command, /* I - Command name */ | |
651 | mime_t *mime, /* I - MIME database */ | |
652 | const char *printer, /* I - Printer name */ | |
653 | const char *ppdfile, /* I - PPD file */ | |
654 | mime_type_t **prefilter_type) /* O - Prefilter type */ | |
655 | { | |
656 | ppd_file_t *ppd; /* PPD file data */ | |
657 | _ppd_cache_t *pc; /* Cache data for PPD */ | |
658 | const char *value; /* Filter definition value */ | |
659 | mime_type_t *printer_type; /* Printer filter type */ | |
660 | ||
661 | ||
662 | if ((ppd = _ppdOpenFile(ppdfile, _PPD_LOCALIZATION_NONE)) == NULL) | |
663 | { | |
664 | ppd_status_t status; /* PPD load status */ | |
665 | int linenum; /* Line number */ | |
666 | ||
667 | status = ppdLastError(&linenum); | |
668 | _cupsLangPrintf(stderr, _("%s: Unable to open PPD file: %s on line %d."), | |
669 | command, ppdErrorString(status), linenum); | |
670 | return (NULL); | |
671 | } | |
672 | ||
673 | pc = _ppdCacheCreateWithPPD(ppd); | |
674 | if (!pc) | |
675 | return (NULL); | |
676 | ||
677 | printer_type = mimeAddType(mime, "printer", printer); | |
678 | *prefilter_type = NULL; | |
679 | ||
680 | if (pc->filters) | |
681 | { | |
682 | for (value = (const char *)cupsArrayFirst(pc->filters); | |
683 | value; | |
684 | value = (const char *)cupsArrayNext(pc->filters)) | |
685 | add_printer_filter(command, mime, printer_type, value); | |
686 | } | |
687 | else | |
688 | { | |
689 | add_printer_filter(command, mime, printer_type, | |
690 | "application/vnd.cups-raw 0 -"); | |
691 | add_printer_filter(command, mime, printer_type, | |
692 | "application/vnd.cups-postscript 0 -"); | |
693 | } | |
694 | ||
695 | if (pc->prefilters) | |
696 | { | |
697 | *prefilter_type = mimeAddType(mime, "prefilter", printer); | |
698 | ||
699 | for (value = (const char *)cupsArrayFirst(pc->prefilters); | |
700 | value; | |
701 | value = (const char *)cupsArrayNext(pc->prefilters)) | |
702 | add_printer_filter(command, mime, *prefilter_type, value); | |
703 | } | |
704 | ||
705 | return (printer_type); | |
706 | } | |
707 | ||
708 | ||
709 | /* | |
710 | * 'check_cb()' - Callback function for _cupsFileCheck. | |
711 | */ | |
712 | ||
713 | static void | |
714 | check_cb(void *context, /* I - Context (command name) */ | |
715 | _cups_fc_result_t result, /* I - Result of check */ | |
716 | const char *message) /* I - Localized message */ | |
717 | { | |
718 | (void)result; | |
719 | ||
720 | _cupsLangPrintf(stderr, _("%s: %s"), (char *)context, message); | |
721 | } | |
722 | ||
723 | ||
724 | /* | |
725 | * 'compare_pids()' - Compare two filter PIDs... | |
726 | */ | |
727 | ||
728 | static int /* O - Result of comparison */ | |
729 | compare_pids(mime_filter_t *a, /* I - First filter */ | |
730 | mime_filter_t *b) /* I - Second filter */ | |
731 | { | |
732 | /* | |
733 | * Because we're particularly lazy, we store the process ID in the "cost" | |
734 | * variable... | |
735 | */ | |
736 | ||
737 | return (a->cost - b->cost); | |
738 | } | |
739 | ||
740 | ||
741 | /* | |
742 | * 'escape_options()' - Convert an options array to a string. | |
743 | */ | |
744 | ||
745 | static char * /* O - Option string */ | |
746 | escape_options( | |
747 | int num_options, /* I - Number of options */ | |
748 | cups_option_t *options) /* I - Options */ | |
749 | { | |
750 | int i; /* Looping var */ | |
751 | cups_option_t *option; /* Current option */ | |
752 | int bytes; /* Number of bytes needed */ | |
753 | char *s, /* Option string */ | |
754 | *sptr, /* Pointer into string */ | |
755 | *vptr; /* Pointer into value */ | |
756 | ||
757 | ||
758 | /* | |
759 | * Figure out the worst-case number of bytes we need for the option string. | |
760 | */ | |
761 | ||
762 | for (i = num_options, option = options, bytes = 1; i > 0; i --, option ++) | |
763 | bytes += 2 * (strlen(option->name) + strlen(option->value)) + 2; | |
764 | ||
765 | if ((s = malloc(bytes)) == NULL) | |
766 | return (NULL); | |
767 | ||
768 | /* | |
769 | * Copy the options to the string... | |
770 | */ | |
771 | ||
772 | for (i = num_options, option = options, sptr = s; i > 0; i --, option ++) | |
773 | { | |
774 | if (!strcmp(option->name, "copies")) | |
775 | continue; | |
776 | ||
777 | if (sptr > s) | |
778 | *sptr++ = ' '; | |
779 | ||
780 | strcpy(sptr, option->name); | |
781 | sptr += strlen(sptr); | |
782 | *sptr++ = '='; | |
783 | ||
784 | for (vptr = option->value; *vptr;) | |
785 | { | |
786 | if (strchr("\\ \t\n", *vptr)) | |
787 | *sptr++ = '\\'; | |
788 | ||
789 | *sptr++ = *vptr++; | |
790 | } | |
791 | } | |
792 | ||
793 | *sptr = '\0'; | |
794 | ||
795 | return (s); | |
796 | } | |
797 | ||
798 | ||
799 | /* | |
800 | * 'exec_filter()' - Execute a single filter. | |
801 | */ | |
802 | ||
803 | static int /* O - Process ID or -1 on error */ | |
804 | exec_filter(const char *filter, /* I - Filter to execute */ | |
805 | char **argv, /* I - Argument list */ | |
806 | char **envp, /* I - Environment list */ | |
807 | int infd, /* I - Stdin file descriptor */ | |
808 | int outfd) /* I - Stdout file descriptor */ | |
809 | { | |
810 | int pid, /* Process ID */ | |
811 | fd; /* Temporary file descriptor */ | |
812 | #if defined(__APPLE__) | |
813 | char processPath[1024], /* CFProcessPath environment variable */ | |
814 | linkpath[1024]; /* Link path for symlinks... */ | |
815 | int linkbytes; /* Bytes for link path */ | |
816 | ||
817 | ||
818 | /* | |
819 | * Add special voodoo magic for MacOS X - this allows MacOS X | |
820 | * programs to access their bundle resources properly... | |
821 | */ | |
822 | ||
823 | if ((linkbytes = readlink(filter, linkpath, sizeof(linkpath) - 1)) > 0) | |
824 | { | |
825 | /* | |
826 | * Yes, this is a symlink to the actual program, nul-terminate and | |
827 | * use it... | |
828 | */ | |
829 | ||
830 | linkpath[linkbytes] = '\0'; | |
831 | ||
832 | if (linkpath[0] == '/') | |
833 | snprintf(processPath, sizeof(processPath), "CFProcessPath=%s", | |
834 | linkpath); | |
835 | else | |
836 | snprintf(processPath, sizeof(processPath), "CFProcessPath=%s/%s", | |
837 | dirname((char *)filter), linkpath); | |
838 | } | |
839 | else | |
840 | snprintf(processPath, sizeof(processPath), "CFProcessPath=%s", filter); | |
841 | ||
842 | envp[0] = processPath; /* Replace <CFProcessPath> string */ | |
843 | #endif /* __APPLE__ */ | |
844 | ||
845 | if ((pid = fork()) == 0) | |
846 | { | |
847 | /* | |
848 | * Child process goes here... | |
849 | * | |
850 | * Update stdin/stdout/stderr as needed... | |
851 | */ | |
852 | ||
853 | if (infd != 0) | |
854 | { | |
855 | if (infd < 0) | |
856 | infd = open("/dev/null", O_RDONLY); | |
857 | ||
858 | if (infd > 0) | |
859 | { | |
860 | dup2(infd, 0); | |
861 | close(infd); | |
862 | } | |
863 | } | |
864 | ||
865 | if (outfd != 1) | |
866 | { | |
867 | if (outfd < 0) | |
868 | outfd = open("/dev/null", O_WRONLY); | |
869 | ||
870 | if (outfd > 1) | |
871 | { | |
872 | dup2(outfd, 1); | |
873 | close(outfd); | |
874 | } | |
875 | } | |
876 | ||
877 | if ((fd = open("/dev/null", O_RDWR)) > 3) | |
878 | { | |
879 | dup2(fd, 3); | |
880 | close(fd); | |
881 | } | |
882 | fcntl(3, F_SETFL, O_NDELAY); | |
883 | ||
884 | if ((fd = open("/dev/null", O_RDWR)) > 4) | |
885 | { | |
886 | dup2(fd, 4); | |
887 | close(fd); | |
888 | } | |
889 | fcntl(4, F_SETFL, O_NDELAY); | |
890 | ||
891 | /* | |
892 | * Execute command... | |
893 | */ | |
894 | ||
895 | execve(filter, argv, envp); | |
896 | ||
897 | perror(filter); | |
898 | ||
899 | exit(errno); | |
900 | } | |
901 | ||
902 | return (pid); | |
903 | } | |
904 | ||
905 | ||
906 | /* | |
907 | * 'exec_filters()' - Execute filters for the given file and options. | |
908 | */ | |
909 | ||
910 | static int /* O - 0 on success, 1 on error */ | |
911 | exec_filters(mime_type_t *srctype, /* I - Source type */ | |
912 | cups_array_t *filters, /* I - Array of filters to run */ | |
913 | const char *infile, /* I - File to filter */ | |
914 | const char *outfile, /* I - File to create */ | |
915 | const char *ppdfile, /* I - PPD file, if any */ | |
916 | const char *printer, /* I - Printer name */ | |
917 | const char *user, /* I - Username */ | |
918 | const char *title, /* I - Job title */ | |
919 | int num_options, /* I - Number of filter options */ | |
920 | cups_option_t *options) /* I - Filter options */ | |
921 | { | |
922 | int i; /* Looping var */ | |
923 | const char *argv[8], /* Command-line arguments */ | |
924 | *envp[15], /* Environment variables */ | |
925 | *temp; /* Temporary string */ | |
926 | char *optstr, /* Filter options */ | |
927 | content_type[1024], /* CONTENT_TYPE */ | |
928 | cups_datadir[1024], /* CUPS_DATADIR */ | |
929 | cups_fontpath[1024], /* CUPS_FONTPATH */ | |
930 | cups_serverbin[1024], /* CUPS_SERVERBIN */ | |
931 | cups_serverroot[1024], /* CUPS_SERVERROOT */ | |
932 | lang[1024], /* LANG */ | |
933 | path[1024], /* PATH */ | |
934 | ppd[1024], /* PPD */ | |
935 | printer_info[255], /* PRINTER_INFO env variable */ | |
936 | printer_location[255], /* PRINTER_LOCATION env variable */ | |
937 | printer_name[255], /* PRINTER env variable */ | |
938 | rip_max_cache[1024], /* RIP_MAX_CACHE */ | |
939 | userenv[1024], /* USER */ | |
940 | program[1024]; /* Program to run */ | |
941 | mime_filter_t *filter, /* Current filter */ | |
942 | *next; /* Next filter */ | |
943 | int current, /* Current filter */ | |
944 | filterfds[2][2], /* Pipes for filters */ | |
945 | pid, /* Process ID of filter */ | |
946 | status, /* Exit status */ | |
947 | retval; /* Return value */ | |
948 | cups_array_t *pids; /* Executed filters array */ | |
949 | mime_filter_t key; /* Search key for filters */ | |
950 | cups_lang_t *language; /* Current language */ | |
951 | cups_dest_t *dest; /* Destination information */ | |
952 | ||
953 | ||
954 | /* | |
955 | * Setup the filter environment and command-line... | |
956 | */ | |
957 | ||
958 | optstr = escape_options(num_options, options); | |
959 | ||
960 | snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s/%s", | |
961 | srctype->super, srctype->type); | |
962 | snprintf(cups_datadir, sizeof(cups_datadir), "CUPS_DATADIR=%s", DataDir); | |
963 | snprintf(cups_fontpath, sizeof(cups_fontpath), "CUPS_FONTPATH=%s", FontPath); | |
964 | snprintf(cups_serverbin, sizeof(cups_serverbin), "CUPS_SERVERBIN=%s", | |
965 | ServerBin); | |
966 | snprintf(cups_serverroot, sizeof(cups_serverroot), "CUPS_SERVERROOT=%s", | |
967 | ServerRoot); | |
968 | language = cupsLangDefault(); | |
969 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", language->language); | |
970 | snprintf(path, sizeof(path), "PATH=%s", Path); | |
971 | if (ppdfile) | |
972 | snprintf(ppd, sizeof(ppd), "PPD=%s", ppdfile); | |
973 | else if ((temp = getenv("PPD")) != NULL) | |
974 | snprintf(ppd, sizeof(ppd), "PPD=%s", temp); | |
975 | else | |
976 | #ifdef __APPLE__ | |
977 | if (!access("/System/Library/Frameworks/ApplicationServices.framework/" | |
978 | "Versions/A/Frameworks/PrintCore.framework/Versions/A/" | |
979 | "Resources/English.lproj/Generic.ppd", 0)) | |
980 | strlcpy(ppd, "PPD=/System/Library/Frameworks/ApplicationServices.framework/" | |
981 | "Versions/A/Frameworks/PrintCore.framework/Versions/A/" | |
982 | "Resources/English.lproj/Generic.ppd", sizeof(ppd)); | |
983 | else | |
984 | strlcpy(ppd, "PPD=/System/Library/Frameworks/ApplicationServices.framework/" | |
985 | "Versions/A/Frameworks/PrintCore.framework/Versions/A/" | |
986 | "Resources/Generic.ppd", sizeof(ppd)); | |
987 | #else | |
988 | snprintf(ppd, sizeof(ppd), "PPD=%s/model/laserjet.ppd", DataDir); | |
989 | #endif /* __APPLE__ */ | |
990 | snprintf(rip_max_cache, sizeof(rip_max_cache), "RIP_MAX_CACHE=%s", RIPCache); | |
991 | snprintf(userenv, sizeof(userenv), "USER=%s", user); | |
992 | ||
993 | if (printer && | |
994 | (dest = cupsGetNamedDest(CUPS_HTTP_DEFAULT, printer, NULL)) != NULL) | |
995 | { | |
996 | if ((temp = cupsGetOption("printer-info", dest->num_options, | |
997 | dest->options)) != NULL) | |
998 | snprintf(printer_info, sizeof(printer_info), "PRINTER_INFO=%s", temp); | |
999 | else | |
1000 | snprintf(printer_info, sizeof(printer_info), "PRINTER_INFO=%s", printer); | |
1001 | ||
1002 | if ((temp = cupsGetOption("printer-location", dest->num_options, | |
1003 | dest->options)) != NULL) | |
1004 | snprintf(printer_location, sizeof(printer_location), | |
1005 | "PRINTER_LOCATION=%s", temp); | |
1006 | else | |
1007 | strlcpy(printer_location, "PRINTER_LOCATION=Unknown", | |
1008 | sizeof(printer_location)); | |
1009 | } | |
1010 | else | |
1011 | { | |
1012 | snprintf(printer_info, sizeof(printer_info), "PRINTER_INFO=%s", | |
1013 | printer ? printer : "Unknown"); | |
1014 | strlcpy(printer_location, "PRINTER_LOCATION=Unknown", | |
1015 | sizeof(printer_location)); | |
1016 | } | |
1017 | ||
1018 | snprintf(printer_name, sizeof(printer_name), "PRINTER=%s", | |
1019 | printer ? printer : "Unknown"); | |
1020 | ||
1021 | argv[0] = (char *)printer; | |
1022 | argv[1] = "1"; | |
1023 | argv[2] = user; | |
1024 | argv[3] = title; | |
1025 | argv[4] = cupsGetOption("copies", num_options, options); | |
1026 | argv[5] = optstr; | |
1027 | argv[6] = infile; | |
1028 | argv[7] = NULL; | |
1029 | ||
1030 | if (!argv[4]) | |
1031 | argv[4] = "1"; | |
1032 | ||
1033 | envp[0] = "<CFProcessPath>"; | |
1034 | envp[1] = content_type; | |
1035 | envp[2] = cups_datadir; | |
1036 | envp[3] = cups_fontpath; | |
1037 | envp[4] = cups_serverbin; | |
1038 | envp[5] = cups_serverroot; | |
1039 | envp[6] = lang; | |
1040 | envp[7] = path; | |
1041 | envp[8] = ppd; | |
1042 | envp[9] = printer_info; | |
1043 | envp[10] = printer_location; | |
1044 | envp[11] = printer_name; | |
1045 | envp[12] = rip_max_cache; | |
1046 | envp[13] = userenv; | |
1047 | envp[14] = NULL; | |
1048 | ||
1049 | for (i = 0; argv[i]; i ++) | |
1050 | fprintf(stderr, "DEBUG: argv[%d]=\"%s\"\n", i, argv[i]); | |
1051 | ||
1052 | for (i = 0; envp[i]; i ++) | |
1053 | fprintf(stderr, "DEBUG: envp[%d]=\"%s\"\n", i, envp[i]); | |
1054 | ||
1055 | /* | |
1056 | * Execute all of the filters... | |
1057 | */ | |
1058 | ||
1059 | pids = cupsArrayNew((cups_array_func_t)compare_pids, NULL); | |
1060 | current = 0; | |
1061 | filterfds[0][0] = -1; | |
1062 | filterfds[0][1] = -1; | |
1063 | filterfds[1][0] = -1; | |
1064 | filterfds[1][1] = -1; | |
1065 | ||
1066 | if (!infile) | |
1067 | filterfds[0][0] = 0; | |
1068 | ||
1069 | for (filter = (mime_filter_t *)cupsArrayFirst(filters); | |
1070 | filter; | |
1071 | filter = next, current = 1 - current) | |
1072 | { | |
1073 | next = (mime_filter_t *)cupsArrayNext(filters); | |
1074 | ||
1075 | if (filter->filter[0] == '/') | |
1076 | strlcpy(program, filter->filter, sizeof(program)); | |
1077 | else | |
1078 | snprintf(program, sizeof(program), "%s/filter/%s", ServerBin, | |
1079 | filter->filter); | |
1080 | ||
1081 | if (filterfds[!current][1] > 1) | |
1082 | { | |
1083 | close(filterfds[1 - current][0]); | |
1084 | close(filterfds[1 - current][1]); | |
1085 | ||
1086 | filterfds[1 - current][0] = -1; | |
1087 | filterfds[1 - current][0] = -1; | |
1088 | } | |
1089 | ||
1090 | if (next) | |
1091 | open_pipe(filterfds[1 - current]); | |
1092 | else if (outfile) | |
1093 | { | |
1094 | filterfds[1 - current][1] = open(outfile, O_CREAT | O_TRUNC | O_WRONLY, | |
1095 | 0666); | |
1096 | ||
1097 | if (filterfds[1 - current][1] < 0) | |
1098 | fprintf(stderr, "ERROR: Unable to create \"%s\" - %s\n", outfile, | |
1099 | strerror(errno)); | |
1100 | } | |
1101 | else | |
1102 | filterfds[1 - current][1] = 1; | |
1103 | ||
1104 | pid = exec_filter(program, (char **)argv, (char **)envp, | |
1105 | filterfds[current][0], filterfds[1 - current][1]); | |
1106 | ||
1107 | if (pid > 0) | |
1108 | { | |
1109 | fprintf(stderr, "INFO: %s (PID %d) started.\n", filter->filter, pid); | |
1110 | ||
1111 | filter->cost = pid; | |
1112 | cupsArrayAdd(pids, filter); | |
1113 | } | |
1114 | else | |
1115 | break; | |
1116 | ||
1117 | argv[6] = NULL; | |
1118 | } | |
1119 | ||
1120 | /* | |
1121 | * Close remaining pipes... | |
1122 | */ | |
1123 | ||
1124 | if (filterfds[0][1] > 1) | |
1125 | { | |
1126 | close(filterfds[0][0]); | |
1127 | close(filterfds[0][1]); | |
1128 | } | |
1129 | ||
1130 | if (filterfds[1][1] > 1) | |
1131 | { | |
1132 | close(filterfds[1][0]); | |
1133 | close(filterfds[1][1]); | |
1134 | } | |
1135 | ||
1136 | /* | |
1137 | * Wait for the children to exit... | |
1138 | */ | |
1139 | ||
1140 | retval = 0; | |
1141 | ||
1142 | while (cupsArrayCount(pids) > 0) | |
1143 | { | |
1144 | if ((pid = wait(&status)) < 0) | |
1145 | continue; | |
1146 | ||
1147 | key.cost = pid; | |
1148 | if ((filter = (mime_filter_t *)cupsArrayFind(pids, &key)) != NULL) | |
1149 | { | |
1150 | cupsArrayRemove(pids, filter); | |
1151 | ||
1152 | if (status) | |
1153 | { | |
1154 | if (WIFEXITED(status)) | |
1155 | fprintf(stderr, "ERROR: %s (PID %d) stopped with status %d\n", | |
1156 | filter->filter, pid, WEXITSTATUS(status)); | |
1157 | else | |
1158 | fprintf(stderr, "ERROR: %s (PID %d) crashed on signal %d\n", | |
1159 | filter->filter, pid, WTERMSIG(status)); | |
1160 | ||
1161 | retval = 1; | |
1162 | } | |
1163 | else | |
1164 | fprintf(stderr, "INFO: %s (PID %d) exited with no errors.\n", | |
1165 | filter->filter, pid); | |
1166 | } | |
1167 | } | |
1168 | ||
1169 | cupsArrayDelete(pids); | |
1170 | ||
1171 | return (retval); | |
1172 | } | |
1173 | ||
1174 | ||
1175 | /* | |
1176 | * 'get_job_file()' - Get the specified job file. | |
1177 | */ | |
1178 | ||
1179 | static void | |
1180 | get_job_file(const char *job) /* I - Job ID */ | |
1181 | { | |
1182 | long jobid, /* Job ID */ | |
1183 | docnum; /* Document number */ | |
1184 | const char *jobptr; /* Pointer into job ID string */ | |
1185 | char uri[1024]; /* job-uri */ | |
1186 | http_t *http; /* Connection to server */ | |
1187 | ipp_t *request; /* Request data */ | |
1188 | int tempfd; /* Temporary file */ | |
1189 | ||
1190 | ||
1191 | /* | |
1192 | * Get the job ID and document number, if any... | |
1193 | */ | |
1194 | ||
1195 | if ((jobptr = strrchr(job, '-')) != NULL) | |
1196 | jobptr ++; | |
1197 | else | |
1198 | jobptr = job; | |
1199 | ||
1200 | jobid = strtol(jobptr, (char **)&jobptr, 10); | |
1201 | ||
1202 | if (*jobptr == ',') | |
1203 | docnum = strtol(jobptr + 1, NULL, 10); | |
1204 | else | |
1205 | docnum = 1; | |
1206 | ||
1207 | if (jobid < 1 || jobid > INT_MAX) | |
1208 | { | |
1209 | _cupsLangPrintf(stderr, _("cupsfilter: Invalid job ID %d."), (int)jobid); | |
1210 | exit(1); | |
1211 | } | |
1212 | ||
1213 | if (docnum < 1 || docnum > INT_MAX) | |
1214 | { | |
1215 | _cupsLangPrintf(stderr, _("cupsfilter: Invalid document number %d."), | |
1216 | (int)docnum); | |
1217 | exit(1); | |
1218 | } | |
1219 | ||
1220 | /* | |
1221 | * Ask the server for the document file... | |
1222 | */ | |
1223 | ||
1224 | if ((http = httpConnectEncrypt(cupsServer(), ippPort(), | |
1225 | cupsEncryption())) == NULL) | |
1226 | { | |
1227 | _cupsLangPrintf(stderr, _("%s: Unable to connect to server."), | |
1228 | "cupsfilter"); | |
1229 | exit(1); | |
1230 | } | |
1231 | ||
1232 | request = ippNewRequest(CUPS_GET_DOCUMENT); | |
1233 | ||
1234 | snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", (int)jobid); | |
1235 | ||
1236 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri); | |
1237 | ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "document-number", | |
1238 | (int)docnum); | |
1239 | ||
1240 | if ((tempfd = cupsTempFd(TempFile, sizeof(TempFile))) == -1) | |
1241 | { | |
1242 | _cupsLangPrintError("ERROR", _("Unable to create temporary file")); | |
1243 | httpClose(http); | |
1244 | exit(1); | |
1245 | } | |
1246 | ||
1247 | signal(SIGTERM, sighandler); | |
1248 | ||
1249 | ippDelete(cupsDoIORequest(http, request, "/", -1, tempfd)); | |
1250 | ||
1251 | close(tempfd); | |
1252 | ||
1253 | httpClose(http); | |
1254 | ||
1255 | if (cupsLastError() != IPP_OK) | |
1256 | { | |
1257 | _cupsLangPrintf(stderr, _("cupsfilter: Unable to get job file - %s"), | |
1258 | cupsLastErrorString()); | |
1259 | unlink(TempFile); | |
1260 | exit(1); | |
1261 | } | |
1262 | } | |
1263 | ||
1264 | ||
1265 | /* | |
1266 | * 'open_pipe()' - Create a pipe which is closed on exec. | |
1267 | */ | |
1268 | ||
1269 | static int /* O - 0 on success, -1 on error */ | |
1270 | open_pipe(int *fds) /* O - Pipe file descriptors (2) */ | |
1271 | { | |
1272 | /* | |
1273 | * Create the pipe... | |
1274 | */ | |
1275 | ||
1276 | if (pipe(fds)) | |
1277 | { | |
1278 | fds[0] = -1; | |
1279 | fds[1] = -1; | |
1280 | ||
1281 | return (-1); | |
1282 | } | |
1283 | ||
1284 | /* | |
1285 | * Set the "close on exec" flag on each end of the pipe... | |
1286 | */ | |
1287 | ||
1288 | if (fcntl(fds[0], F_SETFD, fcntl(fds[0], F_GETFD) | FD_CLOEXEC)) | |
1289 | { | |
1290 | close(fds[0]); | |
1291 | close(fds[1]); | |
1292 | ||
1293 | fds[0] = -1; | |
1294 | fds[1] = -1; | |
1295 | ||
1296 | return (-1); | |
1297 | } | |
1298 | ||
1299 | if (fcntl(fds[1], F_SETFD, fcntl(fds[1], F_GETFD) | FD_CLOEXEC)) | |
1300 | { | |
1301 | close(fds[0]); | |
1302 | close(fds[1]); | |
1303 | ||
1304 | fds[0] = -1; | |
1305 | fds[1] = -1; | |
1306 | ||
1307 | return (-1); | |
1308 | } | |
1309 | ||
1310 | /* | |
1311 | * Return 0 indicating success... | |
1312 | */ | |
1313 | ||
1314 | return (0); | |
1315 | } | |
1316 | ||
1317 | ||
1318 | /* | |
1319 | * 'read_cupsd_conf()' - Read the cupsd.conf file to get the filter settings. | |
1320 | */ | |
1321 | ||
1322 | static int /* O - 0 on success, 1 on error */ | |
1323 | read_cupsd_conf(const char *filename) /* I - File to read */ | |
1324 | { | |
1325 | cups_file_t *fp; /* cupsd.conf file */ | |
1326 | const char *temp; /* Temporary string */ | |
1327 | char line[1024], /* Line from file */ | |
1328 | *ptr; /* Pointer into line */ | |
1329 | int linenum; /* Current line number */ | |
1330 | ||
1331 | ||
1332 | if ((temp = getenv("CUPS_DATADIR")) != NULL) | |
1333 | set_string(&DataDir, temp); | |
1334 | else | |
1335 | set_string(&DataDir, CUPS_DATADIR); | |
1336 | ||
1337 | if ((temp = getenv("CUPS_FONTPATH")) != NULL) | |
1338 | set_string(&FontPath, temp); | |
1339 | else | |
1340 | set_string(&FontPath, CUPS_FONTPATH); | |
1341 | ||
1342 | set_string(&RIPCache, "128m"); | |
1343 | ||
1344 | if ((temp = getenv("CUPS_SERVERBIN")) != NULL) | |
1345 | set_string(&ServerBin, temp); | |
1346 | else | |
1347 | set_string(&ServerBin, CUPS_SERVERBIN); | |
1348 | ||
1349 | strlcpy(line, filename, sizeof(line)); | |
1350 | if ((ptr = strrchr(line, '/')) != NULL) | |
1351 | *ptr = '\0'; | |
1352 | else | |
1353 | getcwd(line, sizeof(line)); | |
1354 | ||
1355 | set_string(&ServerRoot, line); | |
1356 | ||
1357 | if ((fp = cupsFileOpen(filename, "r")) != NULL) | |
1358 | { | |
1359 | linenum = 0; | |
1360 | ||
1361 | while (cupsFileGetConf(fp, line, sizeof(line), &ptr, &linenum)) | |
1362 | { | |
1363 | if (!_cups_strcasecmp(line, "DataDir")) | |
1364 | set_string(&DataDir, ptr); | |
1365 | else if (!_cups_strcasecmp(line, "FontPath")) | |
1366 | set_string(&FontPath, ptr); | |
1367 | else if (!_cups_strcasecmp(line, "RIPCache")) | |
1368 | set_string(&RIPCache, ptr); | |
1369 | else if (!_cups_strcasecmp(line, "ServerBin")) | |
1370 | set_string(&ServerBin, ptr); | |
1371 | else if (!_cups_strcasecmp(line, "ServerRoot")) | |
1372 | set_string(&ServerRoot, ptr); | |
1373 | } | |
1374 | ||
1375 | cupsFileClose(fp); | |
1376 | } | |
1377 | ||
1378 | snprintf(line, sizeof(line), | |
1379 | "%s/filter:" CUPS_BINDIR ":" CUPS_SBINDIR ":/bin:/usr/bin", | |
1380 | ServerBin); | |
1381 | set_string(&Path, line); | |
1382 | ||
1383 | return (0); | |
1384 | } | |
1385 | ||
1386 | ||
1387 | /* | |
1388 | * 'set_string()' - Copy and set a string. | |
1389 | */ | |
1390 | ||
1391 | static void | |
1392 | set_string(char **s, /* O - Copy of string */ | |
1393 | const char *val) /* I - String to copy */ | |
1394 | { | |
1395 | if (*s) | |
1396 | free(*s); | |
1397 | ||
1398 | *s = strdup(val); | |
1399 | } | |
1400 | ||
1401 | ||
1402 | /* | |
1403 | * 'sighandler()' - Signal catcher for when we print from stdin... | |
1404 | */ | |
1405 | ||
1406 | static void | |
1407 | sighandler(int s) /* I - Signal number */ | |
1408 | { | |
1409 | /* | |
1410 | * Remove the temporary file we're using to print a job file... | |
1411 | */ | |
1412 | ||
1413 | if (TempFile[0]) | |
1414 | unlink(TempFile); | |
1415 | ||
1416 | /* | |
1417 | * Exit... | |
1418 | */ | |
1419 | ||
1420 | exit(s); | |
1421 | } | |
1422 | ||
1423 | ||
1424 | /* | |
1425 | * 'usage()' - Show program usage... | |
1426 | */ | |
1427 | ||
1428 | static void | |
1429 | usage(const char *command, /* I - Command name */ | |
1430 | const char *opt) /* I - Incorrect option, if any */ | |
1431 | { | |
1432 | if (opt) | |
1433 | _cupsLangPrintf(stderr, _("%s: Unknown option \"%c\"."), command, *opt); | |
1434 | ||
1435 | if (!strcmp(command, "cupsfilter")) | |
1436 | { | |
1437 | _cupsLangPuts(stdout, _("Usage: cupsfilter [ options ] filename")); | |
1438 | _cupsLangPuts(stdout, _("Options:")); | |
1439 | _cupsLangPuts(stdout, _(" -D Remove the input file " | |
1440 | "when finished.")); | |
1441 | _cupsLangPuts(stdout, _(" -P filename.ppd Set PPD file.")); | |
1442 | _cupsLangPuts(stdout, _(" -U username Set username for job.")); | |
1443 | _cupsLangPuts(stdout, _(" -c cupsd.conf Set cupsd.conf file to " | |
1444 | "use.")); | |
1445 | _cupsLangPuts(stdout, _(" -d printer Use the named " | |
1446 | "printer.")); | |
1447 | _cupsLangPuts(stdout, _(" -e Use every filter from " | |
1448 | "the PPD file.")); | |
1449 | _cupsLangPuts(stdout, _(" -i mime/type Set input MIME type " | |
1450 | "(otherwise auto-typed).")); | |
1451 | _cupsLangPuts(stdout, _(" -j job-id[,N] Filter file N from the " | |
1452 | "specified job (default is file 1).")); | |
1453 | _cupsLangPuts(stdout, _(" -m mime/type Set output MIME type " | |
1454 | "(otherwise application/pdf).")); | |
1455 | _cupsLangPuts(stdout, _(" -n copies Set number of copies.")); | |
1456 | _cupsLangPuts(stdout, _(" -o name=value Set option(s).")); | |
1457 | _cupsLangPuts(stdout, _(" -p filename.ppd Set PPD file.")); | |
1458 | _cupsLangPuts(stdout, _(" -t title Set title.")); | |
1459 | _cupsLangPuts(stdout, _(" -u Remove the PPD file " | |
1460 | "when finished.")); | |
1461 | } | |
1462 | else | |
1463 | { | |
1464 | _cupsLangPuts(stdout, _("Usage: convert [ options ]")); | |
1465 | _cupsLangPuts(stdout, _("Options:")); | |
1466 | _cupsLangPuts(stdout, _(" -D Remove the input file " | |
1467 | "when finished.")); | |
1468 | _cupsLangPuts(stdout, _(" -J title Set title.")); | |
1469 | _cupsLangPuts(stdout, _(" -P filename.ppd Set PPD file.")); | |
1470 | _cupsLangPuts(stdout, _(" -U username Set username for job.")); | |
1471 | _cupsLangPuts(stdout, _(" -a 'name=value ...' Set option(s).")); | |
1472 | _cupsLangPuts(stdout, _(" -c copies Set number of copies.")); | |
1473 | _cupsLangPuts(stdout, _(" -d printer Use the named " | |
1474 | "printer.")); | |
1475 | _cupsLangPuts(stdout, _(" -e Use every filter from " | |
1476 | "the PPD file.")); | |
1477 | _cupsLangPuts(stdout, _(" -f filename Set file to be " | |
1478 | "converted (otherwise stdin).")); | |
1479 | _cupsLangPuts(stdout, _(" -i mime/type Set input MIME type " | |
1480 | "(otherwise auto-typed).")); | |
1481 | _cupsLangPuts(stdout, _(" -j mime/type Set output MIME type " | |
1482 | "(otherwise application/pdf).")); | |
1483 | _cupsLangPuts(stdout, _(" -o filename Set file to be " | |
1484 | "generated (otherwise stdout).")); | |
1485 | _cupsLangPuts(stdout, _(" -u Remove the PPD file " | |
1486 | "when finished.")); | |
1487 | } | |
1488 | ||
1489 | exit(1); | |
1490 | } | |
1491 | ||
1492 | ||
1493 | /* | |
1494 | * End of "$Id: cupsfilter.c 7952 2008-09-17 00:56:20Z mike $". | |
1495 | */ |