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1 | /* | |
2 | * "$Id: ipp.c,v 1.38.2.32 2004/06/29 02:45:24 mike Exp $" | |
3 | * | |
4 | * IPP backend for the Common UNIX Printing System (CUPS). | |
5 | * | |
6 | * Copyright 1997-2003 by Easy Software Products, all rights reserved. | |
7 | * | |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636-3111 USA | |
19 | * | |
20 | * Voice: (301) 373-9603 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * This file is subject to the Apple OS-Developed Software exception. | |
25 | * | |
26 | * Contents: | |
27 | * | |
28 | * main() - Send a file to the printer or server. | |
29 | * check_printer_state() - Check the printer state... | |
30 | * password_cb() - Disable the password prompt for | |
31 | * cupsDoFileRequest(). | |
32 | * report_printer_state() - Report the printer state. | |
33 | * run_pictwps_filter() - Convert PICT files to PostScript when printing | |
34 | * remotely. | |
35 | * sigterm_handler() - Handle 'terminate' signals that stop the backend. | |
36 | */ | |
37 | ||
38 | /* | |
39 | * Include necessary headers. | |
40 | */ | |
41 | ||
42 | #include <stdio.h> | |
43 | #include <stdlib.h> | |
44 | #include <errno.h> | |
45 | #include <sys/types.h> | |
46 | #include <sys/stat.h> | |
47 | #include <cups/http-private.h> | |
48 | #include <cups/cups.h> | |
49 | #include <cups/language.h> | |
50 | #include <cups/string.h> | |
51 | #include <signal.h> | |
52 | #include <sys/wait.h> | |
53 | ||
54 | ||
55 | /* | |
56 | * Globals... | |
57 | */ | |
58 | ||
59 | static char *password = NULL; /* Password for device URI */ | |
60 | #ifdef __APPLE__ | |
61 | static char pstmpname[1024] = ""; /* Temporary PostScript file name */ | |
62 | #endif /* __APPLE__ */ | |
63 | static char tmpfilename[1024] = ""; /* Temporary spool file name */ | |
64 | ||
65 | ||
66 | /* | |
67 | * Local functions... | |
68 | */ | |
69 | ||
70 | void check_printer_state(http_t *http, cups_lang_t *language, | |
71 | const char *charset, const char *uri, /* I - Printer URI */ | |
72 | const char *resource, const char *user, | |
73 | int version); | |
74 | const char *password_cb(const char *); | |
75 | int report_printer_state(ipp_t *ipp); | |
76 | ||
77 | #ifdef __APPLE__ | |
78 | int run_pictwps_filter(char **argv, const char *filename); | |
79 | #endif /* __APPLE__ */ | |
80 | static void sigterm_handler(int sig); | |
81 | ||
82 | ||
83 | /* | |
84 | * 'main()' - Send a file to the printer or server. | |
85 | * | |
86 | * Usage: | |
87 | * | |
88 | * printer-uri job-id user title copies options [file] | |
89 | */ | |
90 | ||
91 | int /* O - Exit status */ | |
92 | main(int argc, /* I - Number of command-line arguments (6 or 7) */ | |
93 | char *argv[]) /* I - Command-line arguments */ | |
94 | { | |
95 | int i; /* Looping var */ | |
96 | int num_options; /* Number of printer options */ | |
97 | cups_option_t *options; /* Printer options */ | |
98 | char method[255], /* Method in URI */ | |
99 | hostname[1024], /* Hostname */ | |
100 | username[255], /* Username info */ | |
101 | resource[1024], /* Resource info (printer name) */ | |
102 | *optptr, /* Pointer to URI options */ | |
103 | name[255], /* Name of option */ | |
104 | value[255], /* Value of option */ | |
105 | *ptr; /* Pointer into name or value */ | |
106 | char *filename; /* File to print */ | |
107 | int port; /* Port number (not used) */ | |
108 | char uri[HTTP_MAX_URI];/* Updated URI without user/pass */ | |
109 | ipp_status_t ipp_status; /* Status of IPP request */ | |
110 | http_t *http; /* HTTP connection */ | |
111 | ipp_t *request, /* IPP request */ | |
112 | *response, /* IPP response */ | |
113 | *supported; /* get-printer-attributes response */ | |
114 | int waitjob, /* Wait for job complete? */ | |
115 | waitprinter; /* Wait for printer ready? */ | |
116 | ipp_attribute_t *job_id_attr; /* job-id attribute */ | |
117 | int job_id; /* job-id value */ | |
118 | ipp_attribute_t *job_sheets; /* job-media-sheets-completed attribute */ | |
119 | ipp_attribute_t *job_state; /* job-state attribute */ | |
120 | ipp_attribute_t *copies_sup; /* copies-supported attribute */ | |
121 | ipp_attribute_t *charset_sup; /* charset-supported attribute */ | |
122 | ipp_attribute_t *format_sup; /* document-format-supported attribute */ | |
123 | ipp_attribute_t *printer_state; | |
124 | /* printer-state attribute */ | |
125 | ipp_attribute_t *printer_accepting; | |
126 | /* printer-is-accepting-jobs attribute */ | |
127 | const char *charset; /* Character set to use */ | |
128 | cups_lang_t *language; /* Default language */ | |
129 | int copies; /* Number of copies remaining */ | |
130 | const char *content_type; /* CONTENT_TYPE environment variable */ | |
131 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
132 | struct sigaction action; /* Actions for POSIX signals */ | |
133 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
134 | int version; /* IPP version */ | |
135 | int reasons; /* Number of printer-state-reasons shown */ | |
136 | static const char * const pattrs[] = | |
137 | { /* Printer attributes we want */ | |
138 | "copies-supported", | |
139 | "charset-supported", | |
140 | "document-format-supported", | |
141 | "printer-is-accepting-jobs", | |
142 | "printer-state", | |
143 | "printer-state-reasons", | |
144 | }; | |
145 | static const char * const jattrs[] = | |
146 | { /* Job attributes we want */ | |
147 | "job-media-sheets-completed", | |
148 | "job-state" | |
149 | }; | |
150 | ||
151 | ||
152 | /* | |
153 | * Make sure status messages are not buffered... | |
154 | */ | |
155 | ||
156 | setbuf(stderr, NULL); | |
157 | ||
158 | /* | |
159 | * Ignore SIGPIPE and catch SIGTERM signals... | |
160 | */ | |
161 | ||
162 | #ifdef HAVE_SIGSET | |
163 | sigset(SIGPIPE, SIG_IGN); | |
164 | sigset(SIGTERM, sigterm_handler); | |
165 | #elif defined(HAVE_SIGACTION) | |
166 | memset(&action, 0, sizeof(action)); | |
167 | action.sa_handler = SIG_IGN; | |
168 | sigaction(SIGPIPE, &action, NULL); | |
169 | ||
170 | sigemptyset(&action.sa_mask); | |
171 | sigaddset(&action.sa_mask, SIGTERM); | |
172 | action.sa_handler = sigterm_handler; | |
173 | sigaction(SIGTERM, &action, NULL); | |
174 | #else | |
175 | signal(SIGPIPE, SIG_IGN); | |
176 | signal(SIGTERM, sigterm_handler); | |
177 | #endif /* HAVE_SIGSET */ | |
178 | ||
179 | /* | |
180 | * Check command-line... | |
181 | */ | |
182 | ||
183 | if (argc == 1) | |
184 | { | |
185 | char *s; | |
186 | ||
187 | if ((s = strrchr(argv[0], '/')) != NULL) | |
188 | s ++; | |
189 | else | |
190 | s = argv[0]; | |
191 | ||
192 | printf("network %s \"Unknown\" \"Internet Printing Protocol (%s)\"\n", s, s); | |
193 | return (0); | |
194 | } | |
195 | else if (argc < 6 || argc > 7) | |
196 | { | |
197 | fprintf(stderr, "Usage: %s job-id user title copies options [file]\n", | |
198 | argv[0]); | |
199 | return (1); | |
200 | } | |
201 | ||
202 | /* | |
203 | * Get the content type... | |
204 | */ | |
205 | ||
206 | if (argc > 6) | |
207 | content_type = getenv("CONTENT_TYPE"); | |
208 | else | |
209 | content_type = "application/vnd.cups-raw"; | |
210 | ||
211 | if (content_type == NULL) | |
212 | content_type = "application/octet-stream"; | |
213 | ||
214 | /* | |
215 | * Extract the hostname and printer name from the URI... | |
216 | */ | |
217 | ||
218 | if (strchr(argv[0], ':') != NULL) | |
219 | httpSeparate(argv[0], method, username, hostname, &port, resource); | |
220 | else if (getenv("DEVICE_URI") != NULL) | |
221 | httpSeparate(getenv("DEVICE_URI"), method, username, hostname, &port, | |
222 | resource); | |
223 | else | |
224 | { | |
225 | fputs("ERROR: Missing device URI on command-line and no DEVICE_URI environment variable!\n", | |
226 | stderr); | |
227 | return (1); | |
228 | } | |
229 | ||
230 | if (!strcmp(method, "https")) | |
231 | cupsSetEncryption(HTTP_ENCRYPT_ALWAYS); | |
232 | ||
233 | /* | |
234 | * If we have 7 arguments, print the file named on the command-line. | |
235 | * Otherwise, copy stdin to a temporary file and print the temporary | |
236 | * file. | |
237 | */ | |
238 | ||
239 | if (argc == 6) | |
240 | { | |
241 | /* | |
242 | * Copy stdin to a temporary file... | |
243 | */ | |
244 | ||
245 | int fd; /* Temporary file */ | |
246 | char buffer[8192]; /* Buffer for copying */ | |
247 | int bytes; /* Number of bytes read */ | |
248 | ||
249 | ||
250 | if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0) | |
251 | { | |
252 | perror("ERROR: unable to create temporary file"); | |
253 | return (1); | |
254 | } | |
255 | ||
256 | while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0) | |
257 | if (write(fd, buffer, bytes) < bytes) | |
258 | { | |
259 | perror("ERROR: unable to write to temporary file"); | |
260 | close(fd); | |
261 | unlink(tmpfilename); | |
262 | return (1); | |
263 | } | |
264 | ||
265 | close(fd); | |
266 | filename = tmpfilename; | |
267 | } | |
268 | else | |
269 | filename = argv[6]; | |
270 | ||
271 | /* | |
272 | * See if there are any options... | |
273 | */ | |
274 | ||
275 | waitjob = 1; | |
276 | waitprinter = 1; | |
277 | ||
278 | if ((optptr = strchr(resource, '?')) != NULL) | |
279 | { | |
280 | /* | |
281 | * Yup, terminate the device name string and move to the first | |
282 | * character of the optptr... | |
283 | */ | |
284 | ||
285 | *optptr++ = '\0'; | |
286 | ||
287 | /* | |
288 | * Then parse the optptr... | |
289 | */ | |
290 | ||
291 | while (*optptr) | |
292 | { | |
293 | /* | |
294 | * Get the name... | |
295 | */ | |
296 | ||
297 | for (ptr = name; *optptr && *optptr != '=';) | |
298 | if (ptr < (name + sizeof(name) - 1)) | |
299 | *ptr++ = *optptr++; | |
300 | *ptr = '\0'; | |
301 | ||
302 | if (*optptr == '=') | |
303 | { | |
304 | /* | |
305 | * Get the value... | |
306 | */ | |
307 | ||
308 | optptr ++; | |
309 | ||
310 | for (ptr = value; *optptr && *optptr != '+';) | |
311 | if (ptr < (value + sizeof(value) - 1)) | |
312 | *ptr++ = *optptr++; | |
313 | *ptr = '\0'; | |
314 | ||
315 | if (*optptr == '+') | |
316 | optptr ++; | |
317 | } | |
318 | else | |
319 | value[0] = '\0'; | |
320 | ||
321 | /* | |
322 | * Process the option... | |
323 | */ | |
324 | ||
325 | if (!strcasecmp(name, "waitjob")) | |
326 | { | |
327 | /* | |
328 | * Wait for job completion? | |
329 | */ | |
330 | ||
331 | waitjob = !strcasecmp(value, "on") || | |
332 | !strcasecmp(value, "yes") || | |
333 | !strcasecmp(value, "true"); | |
334 | } | |
335 | else if (!strcasecmp(name, "waitprinter")) | |
336 | { | |
337 | /* | |
338 | * Wait for printer idle? | |
339 | */ | |
340 | ||
341 | waitprinter = !strcasecmp(value, "on") || | |
342 | !strcasecmp(value, "yes") || | |
343 | !strcasecmp(value, "true"); | |
344 | } | |
345 | else if (!strcasecmp(name, "encryption")) | |
346 | { | |
347 | /* | |
348 | * Enable/disable encryption? | |
349 | */ | |
350 | ||
351 | if (!strcasecmp(value, "always")) | |
352 | cupsSetEncryption(HTTP_ENCRYPT_ALWAYS); | |
353 | else if (!strcasecmp(value, "required")) | |
354 | cupsSetEncryption(HTTP_ENCRYPT_REQUIRED); | |
355 | else if (!strcasecmp(value, "never")) | |
356 | cupsSetEncryption(HTTP_ENCRYPT_NEVER); | |
357 | else if (!strcasecmp(value, "ifrequested")) | |
358 | cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED); | |
359 | else | |
360 | { | |
361 | fprintf(stderr, "ERROR: Unknown encryption option value \"%s\"!\n", | |
362 | value); | |
363 | } | |
364 | } | |
365 | else | |
366 | { | |
367 | /* | |
368 | * Unknown option... | |
369 | */ | |
370 | ||
371 | fprintf(stderr, "ERROR: Unknown option \"%s\" with value \"%s\"!\n", | |
372 | name, value); | |
373 | } | |
374 | } | |
375 | } | |
376 | ||
377 | /* | |
378 | * Set the authentication info, if any... | |
379 | */ | |
380 | ||
381 | cupsSetPasswordCB(password_cb); | |
382 | ||
383 | if (username[0]) | |
384 | { | |
385 | if ((password = strchr(username, ':')) != NULL) | |
386 | *password++ = '\0'; | |
387 | ||
388 | cupsSetUser(username); | |
389 | } | |
390 | ||
391 | /* | |
392 | * Try connecting to the remote server... | |
393 | */ | |
394 | ||
395 | do | |
396 | { | |
397 | fprintf(stderr, "INFO: Connecting to %s on port %d...\n", hostname, port); | |
398 | ||
399 | if ((http = httpConnectEncrypt(hostname, port, cupsEncryption())) == NULL) | |
400 | { | |
401 | if (getenv("CLASS") != NULL) | |
402 | { | |
403 | /* | |
404 | * If the CLASS environment variable is set, the job was submitted | |
405 | * to a class and not to a specific queue. In this case, we want | |
406 | * to abort immediately so that the job can be requeued on the next | |
407 | * available printer in the class. | |
408 | */ | |
409 | ||
410 | fprintf(stderr, "INFO: Unable to connect to %s, queuing on next printer in class...\n", | |
411 | hostname); | |
412 | ||
413 | if (argc == 6 || strcmp(filename, argv[6])) | |
414 | unlink(filename); | |
415 | ||
416 | /* | |
417 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
418 | */ | |
419 | ||
420 | sleep(5); | |
421 | ||
422 | return (1); | |
423 | } | |
424 | ||
425 | if (errno == ECONNREFUSED || errno == EHOSTDOWN || | |
426 | errno == EHOSTUNREACH) | |
427 | { | |
428 | fprintf(stderr, "INFO: Network host \'%s\' is busy; will retry in 30 seconds...", | |
429 | hostname); | |
430 | sleep(30); | |
431 | } | |
432 | else if (h_errno) | |
433 | { | |
434 | fprintf(stderr, "INFO: Unable to lookup host \'%s\' - %s\n", | |
435 | hostname, hstrerror(h_errno)); | |
436 | sleep(30); | |
437 | } | |
438 | else | |
439 | { | |
440 | perror("ERROR: Unable to connect to IPP host"); | |
441 | sleep(30); | |
442 | } | |
443 | } | |
444 | } | |
445 | while (http == NULL); | |
446 | ||
447 | fprintf(stderr, "INFO: Connected to %s...\n", hostname); | |
448 | ||
449 | /* | |
450 | * Build a URI for the printer and fill the standard IPP attributes for | |
451 | * an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it | |
452 | * might contain username:password information... | |
453 | */ | |
454 | ||
455 | snprintf(uri, sizeof(uri), "%s://%s:%d%s", method, hostname, port, resource); | |
456 | ||
457 | /* | |
458 | * First validate the destination and see if the device supports multiple | |
459 | * copies. We have to do this because some IPP servers (e.g. HP JetDirect) | |
460 | * don't support the copies attribute... | |
461 | */ | |
462 | ||
463 | language = cupsLangDefault(); | |
464 | charset_sup = NULL; | |
465 | copies_sup = NULL; | |
466 | format_sup = NULL; | |
467 | version = 1; | |
468 | supported = NULL; | |
469 | ||
470 | do | |
471 | { | |
472 | /* | |
473 | * Build the IPP request... | |
474 | */ | |
475 | ||
476 | request = ippNew(); | |
477 | request->request.op.version[1] = version; | |
478 | request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES; | |
479 | request->request.op.request_id = 1; | |
480 | ||
481 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, | |
482 | "attributes-charset", NULL, "utf-8"); | |
483 | ||
484 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, | |
485 | "attributes-natural-language", NULL, | |
486 | language != NULL ? language->language : "en"); | |
487 | ||
488 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
489 | NULL, uri); | |
490 | ||
491 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, | |
492 | "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]), | |
493 | NULL, pattrs); | |
494 | ||
495 | /* | |
496 | * Do the request... | |
497 | */ | |
498 | ||
499 | fputs("DEBUG: Getting supported attributes...\n", stderr); | |
500 | ||
501 | if ((supported = cupsDoRequest(http, request, resource)) == NULL) | |
502 | ipp_status = cupsLastError(); | |
503 | else | |
504 | ipp_status = supported->request.status.status_code; | |
505 | ||
506 | if (ipp_status > IPP_OK_CONFLICT) | |
507 | { | |
508 | if (ipp_status == IPP_PRINTER_BUSY || | |
509 | ipp_status == IPP_SERVICE_UNAVAILABLE) | |
510 | { | |
511 | fputs("INFO: Printer busy; will retry in 10 seconds...\n", stderr); | |
512 | report_printer_state(supported); | |
513 | sleep(10); | |
514 | } | |
515 | else if ((ipp_status == IPP_BAD_REQUEST || | |
516 | ipp_status == IPP_VERSION_NOT_SUPPORTED) && version == 1) | |
517 | { | |
518 | /* | |
519 | * Switch to IPP/1.0... | |
520 | */ | |
521 | ||
522 | fputs("INFO: Printer does not support IPP/1.1, trying IPP/1.0...\n", stderr); | |
523 | version = 0; | |
524 | httpReconnect(http); | |
525 | } | |
526 | else if (ipp_status == IPP_NOT_FOUND) | |
527 | { | |
528 | fputs("ERROR: Destination printer does not exist!\n", stderr); | |
529 | ||
530 | if (supported) | |
531 | ippDelete(supported); | |
532 | ||
533 | return (1); | |
534 | } | |
535 | else | |
536 | { | |
537 | fprintf(stderr, "ERROR: Unable to get printer status (%s)!\n", | |
538 | ippErrorString(ipp_status)); | |
539 | sleep(10); | |
540 | } | |
541 | ||
542 | if (supported) | |
543 | ippDelete(supported); | |
544 | ||
545 | continue; | |
546 | } | |
547 | else if ((copies_sup = ippFindAttribute(supported, "copies-supported", | |
548 | IPP_TAG_RANGE)) != NULL) | |
549 | { | |
550 | /* | |
551 | * Has the "copies-supported" attribute - does it have an upper | |
552 | * bound > 1? | |
553 | */ | |
554 | ||
555 | if (copies_sup->values[0].range.upper <= 1) | |
556 | copies_sup = NULL; /* No */ | |
557 | } | |
558 | ||
559 | charset_sup = ippFindAttribute(supported, "charset-supported", | |
560 | IPP_TAG_CHARSET); | |
561 | format_sup = ippFindAttribute(supported, "document-format-supported", | |
562 | IPP_TAG_MIMETYPE); | |
563 | ||
564 | if (format_sup) | |
565 | { | |
566 | fprintf(stderr, "DEBUG: document-format-supported (%d values)\n", | |
567 | format_sup->num_values); | |
568 | for (i = 0; i < format_sup->num_values; i ++) | |
569 | fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i, | |
570 | format_sup->values[i].string.text); | |
571 | } | |
572 | ||
573 | report_printer_state(supported); | |
574 | } | |
575 | while (ipp_status > IPP_OK_CONFLICT); | |
576 | ||
577 | /* | |
578 | * See if the printer is accepting jobs and is not stopped; if either | |
579 | * condition is true and we are printing to a class, requeue the job... | |
580 | */ | |
581 | ||
582 | if (getenv("CLASS") != NULL) | |
583 | { | |
584 | printer_state = ippFindAttribute(supported, "printer-state", | |
585 | IPP_TAG_ENUM); | |
586 | printer_accepting = ippFindAttribute(supported, "printer-is-accepting-jobs", | |
587 | IPP_TAG_BOOLEAN); | |
588 | ||
589 | if (printer_state == NULL || | |
590 | (printer_state->values[0].integer > IPP_PRINTER_PROCESSING && waitprinter) || | |
591 | printer_accepting == NULL || | |
592 | !printer_accepting->values[0].boolean) | |
593 | { | |
594 | /* | |
595 | * If the CLASS environment variable is set, the job was submitted | |
596 | * to a class and not to a specific queue. In this case, we want | |
597 | * to abort immediately so that the job can be requeued on the next | |
598 | * available printer in the class. | |
599 | */ | |
600 | ||
601 | fprintf(stderr, "INFO: Unable to queue job on %s, queuing on next printer in class...\n", | |
602 | hostname); | |
603 | ||
604 | ippDelete(supported); | |
605 | httpClose(http); | |
606 | ||
607 | if (argc == 6 || strcmp(filename, argv[6])) | |
608 | unlink(filename); | |
609 | ||
610 | /* | |
611 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
612 | */ | |
613 | ||
614 | sleep(5); | |
615 | ||
616 | return (1); | |
617 | } | |
618 | } | |
619 | ||
620 | /* | |
621 | * See if the printer supports multiple copies... | |
622 | */ | |
623 | ||
624 | if (copies_sup || argc < 7) | |
625 | copies = 1; | |
626 | else | |
627 | copies = atoi(argv[4]); | |
628 | ||
629 | /* | |
630 | * Figure out the character set to use... | |
631 | */ | |
632 | ||
633 | charset = language ? cupsLangEncoding(language) : "us-ascii"; | |
634 | ||
635 | if (charset_sup) | |
636 | { | |
637 | /* | |
638 | * See if IPP server supports the requested character set... | |
639 | */ | |
640 | ||
641 | for (i = 0; i < charset_sup->num_values; i ++) | |
642 | if (strcasecmp(charset, charset_sup->values[i].string.text) == 0) | |
643 | break; | |
644 | ||
645 | /* | |
646 | * If not, choose us-ascii or utf-8... | |
647 | */ | |
648 | ||
649 | if (i >= charset_sup->num_values) | |
650 | { | |
651 | /* | |
652 | * See if us-ascii is supported... | |
653 | */ | |
654 | ||
655 | for (i = 0; i < charset_sup->num_values; i ++) | |
656 | if (strcasecmp("us-ascii", charset_sup->values[i].string.text) == 0) | |
657 | break; | |
658 | ||
659 | if (i < charset_sup->num_values) | |
660 | charset = "us-ascii"; | |
661 | else | |
662 | charset = "utf-8"; | |
663 | } | |
664 | } | |
665 | ||
666 | /* | |
667 | * Then issue the print-job request... | |
668 | */ | |
669 | ||
670 | reasons = 0; | |
671 | ||
672 | while (copies > 0) | |
673 | { | |
674 | /* | |
675 | * Build the IPP request... | |
676 | */ | |
677 | ||
678 | request = ippNew(); | |
679 | request->request.op.version[1] = version; | |
680 | request->request.op.operation_id = IPP_PRINT_JOB; | |
681 | request->request.op.request_id = 1; | |
682 | ||
683 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, | |
684 | "attributes-charset", NULL, charset); | |
685 | ||
686 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, | |
687 | "attributes-natural-language", NULL, | |
688 | language != NULL ? language->language : "en"); | |
689 | ||
690 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
691 | NULL, uri); | |
692 | ||
693 | fprintf(stderr, "DEBUG: printer-uri = \"%s\"\n", uri); | |
694 | ||
695 | if (argv[2][0]) | |
696 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, | |
697 | "requesting-user-name", NULL, argv[2]); | |
698 | ||
699 | fprintf(stderr, "DEBUG: requesting-user-name = \"%s\"\n", argv[2]); | |
700 | ||
701 | if (argv[3][0]) | |
702 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, | |
703 | argv[3]); | |
704 | ||
705 | fprintf(stderr, "DEBUG: job-name = \"%s\"\n", argv[3]); | |
706 | ||
707 | /* | |
708 | * Handle options on the command-line... | |
709 | */ | |
710 | ||
711 | options = NULL; | |
712 | num_options = cupsParseOptions(argv[5], 0, &options); | |
713 | ||
714 | #ifdef __APPLE__ | |
715 | if (content_type != NULL && strcasecmp(content_type, "application/pictwps") == 0) | |
716 | { | |
717 | if (format_sup != NULL) | |
718 | { | |
719 | for (i = 0; i < format_sup->num_values; i ++) | |
720 | if (strcasecmp(content_type, format_sup->values[i].string.text) == 0) | |
721 | break; | |
722 | } | |
723 | ||
724 | if (format_sup == NULL || i >= format_sup->num_values) | |
725 | { | |
726 | /* | |
727 | * Remote doesn't support "application/pictwps" (i.e. it's not MacOS X) | |
728 | * so convert the document to PostScript... | |
729 | */ | |
730 | ||
731 | if (run_pictwps_filter(argv, filename)) | |
732 | return (1); | |
733 | ||
734 | filename = pstmpname; | |
735 | ||
736 | /* | |
737 | * Change the MIME type to application/postscript... | |
738 | */ | |
739 | ||
740 | content_type = "application/postscript"; | |
741 | } | |
742 | } | |
743 | #endif /* __APPLE__ */ | |
744 | ||
745 | if (content_type != NULL && format_sup != NULL) | |
746 | { | |
747 | for (i = 0; i < format_sup->num_values; i ++) | |
748 | if (strcasecmp(content_type, format_sup->values[i].string.text) == 0) | |
749 | break; | |
750 | ||
751 | if (i < format_sup->num_values) | |
752 | num_options = cupsAddOption("document-format", content_type, | |
753 | num_options, &options); | |
754 | } | |
755 | ||
756 | if (copies_sup) | |
757 | { | |
758 | /* | |
759 | * Only send options if the destination printer supports the copies | |
760 | * attribute. This is a hack for the HP JetDirect implementation of | |
761 | * IPP, which does not accept extension attributes and incorrectly | |
762 | * reports a client-error-bad-request error instead of the | |
763 | * successful-ok-unsupported-attributes status. In short, at least | |
764 | * some HP implementations of IPP are non-compliant. | |
765 | */ | |
766 | ||
767 | cupsEncodeOptions(request, num_options, options); | |
768 | ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", | |
769 | atoi(argv[4])); | |
770 | } | |
771 | ||
772 | cupsFreeOptions(num_options, options); | |
773 | ||
774 | /* | |
775 | * If copies aren't supported, then we are likely dealing with an HP | |
776 | * JetDirect. The HP IPP implementation seems to close the connection | |
777 | * after every request (that is, it does *not* implement HTTP Keep- | |
778 | * Alive, which is REQUIRED by HTTP/1.1... | |
779 | */ | |
780 | ||
781 | if (!copies_sup) | |
782 | httpReconnect(http); | |
783 | ||
784 | /* | |
785 | * Do the request... | |
786 | */ | |
787 | ||
788 | if ((response = cupsDoFileRequest(http, request, resource, filename)) == NULL) | |
789 | ipp_status = cupsLastError(); | |
790 | else | |
791 | ipp_status = response->request.status.status_code; | |
792 | ||
793 | if (ipp_status > IPP_OK_CONFLICT) | |
794 | { | |
795 | job_id = 0; | |
796 | ||
797 | if (ipp_status == IPP_SERVICE_UNAVAILABLE || | |
798 | ipp_status == IPP_PRINTER_BUSY) | |
799 | { | |
800 | fputs("INFO: Printer is busy; retrying print job...\n", stderr); | |
801 | sleep(10); | |
802 | } | |
803 | else | |
804 | fprintf(stderr, "ERROR: Print file was not accepted (%s)!\n", | |
805 | ippErrorString(ipp_status)); | |
806 | } | |
807 | else if ((job_id_attr = ippFindAttribute(response, "job-id", | |
808 | IPP_TAG_INTEGER)) == NULL) | |
809 | { | |
810 | fputs("INFO: Print file accepted - job ID unknown.\n", stderr); | |
811 | job_id = 0; | |
812 | } | |
813 | else | |
814 | { | |
815 | job_id = job_id_attr->values[0].integer; | |
816 | fprintf(stderr, "INFO: Print file accepted - job ID %d.\n", job_id); | |
817 | } | |
818 | ||
819 | if (response) | |
820 | ippDelete(response); | |
821 | ||
822 | if (ipp_status <= IPP_OK_CONFLICT && argc > 6) | |
823 | { | |
824 | fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1); | |
825 | copies --; | |
826 | } | |
827 | else if (ipp_status != IPP_SERVICE_UNAVAILABLE && | |
828 | ipp_status != IPP_PRINTER_BUSY) | |
829 | break; | |
830 | ||
831 | /* | |
832 | * Wait for the job to complete... | |
833 | */ | |
834 | ||
835 | if (!job_id || !waitjob) | |
836 | continue; | |
837 | ||
838 | fputs("INFO: Waiting for job to complete...\n", stderr); | |
839 | ||
840 | for (;;) | |
841 | { | |
842 | /* | |
843 | * Build an IPP_GET_JOB_ATTRIBUTES request... | |
844 | */ | |
845 | ||
846 | request = ippNew(); | |
847 | request->request.op.version[1] = version; | |
848 | request->request.op.operation_id = IPP_GET_JOB_ATTRIBUTES; | |
849 | request->request.op.request_id = 1; | |
850 | ||
851 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, | |
852 | "attributes-charset", NULL, charset); | |
853 | ||
854 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, | |
855 | "attributes-natural-language", NULL, | |
856 | language != NULL ? language->language : "en"); | |
857 | ||
858 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
859 | NULL, uri); | |
860 | ||
861 | ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", | |
862 | job_id); | |
863 | ||
864 | if (argv[2][0]) | |
865 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, | |
866 | "requesting-user-name", NULL, argv[2]); | |
867 | ||
868 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, | |
869 | "requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]), | |
870 | NULL, jattrs); | |
871 | ||
872 | /* | |
873 | * Do the request... | |
874 | */ | |
875 | ||
876 | if (!copies_sup) | |
877 | httpReconnect(http); | |
878 | ||
879 | if ((response = cupsDoRequest(http, request, resource)) == NULL) | |
880 | ipp_status = cupsLastError(); | |
881 | else | |
882 | ipp_status = response->request.status.status_code; | |
883 | ||
884 | if (ipp_status == IPP_NOT_FOUND) | |
885 | { | |
886 | /* | |
887 | * Job has gone away and/or the server has no job history... | |
888 | */ | |
889 | ||
890 | ippDelete(response); | |
891 | ||
892 | ipp_status = IPP_OK; | |
893 | break; | |
894 | } | |
895 | ||
896 | if (ipp_status > IPP_OK_CONFLICT) | |
897 | { | |
898 | if (ipp_status != IPP_SERVICE_UNAVAILABLE && | |
899 | ipp_status != IPP_PRINTER_BUSY) | |
900 | { | |
901 | if (response) | |
902 | ippDelete(response); | |
903 | ||
904 | fprintf(stderr, "ERROR: Unable to get job %d attributes (%s)!\n", | |
905 | job_id, ippErrorString(ipp_status)); | |
906 | break; | |
907 | } | |
908 | } | |
909 | ||
910 | if (response != NULL) | |
911 | { | |
912 | if ((job_sheets = ippFindAttribute(response, "job-media-sheets-completed", | |
913 | IPP_TAG_INTEGER)) != NULL) | |
914 | fprintf(stderr, "PAGE: total %d\n", job_sheets->values[0].integer); | |
915 | ||
916 | if ((job_state = ippFindAttribute(response, "job-state", | |
917 | IPP_TAG_ENUM)) != NULL) | |
918 | { | |
919 | /* | |
920 | * Stop polling if the job is finished or pending-held... | |
921 | */ | |
922 | ||
923 | if (job_state->values[0].integer > IPP_JOB_PROCESSING || | |
924 | job_state->values[0].integer == IPP_JOB_HELD) | |
925 | { | |
926 | ippDelete(response); | |
927 | break; | |
928 | } | |
929 | } | |
930 | } | |
931 | ||
932 | if (response) | |
933 | ippDelete(response); | |
934 | ||
935 | /* | |
936 | * Check the printer state and report it if necessary... | |
937 | */ | |
938 | ||
939 | /* if (!copies_sup) | |
940 | httpReconnect(http);*/ | |
941 | ||
942 | check_printer_state(http, language, charset, uri, resource, argv[2], | |
943 | version); | |
944 | ||
945 | /* | |
946 | * Wait 10 seconds before polling again... | |
947 | */ | |
948 | ||
949 | sleep(10); | |
950 | } | |
951 | } | |
952 | ||
953 | /* | |
954 | * Check the printer state and report it if necessary... | |
955 | */ | |
956 | ||
957 | /* if (!copies_sup) | |
958 | httpReconnect(http);*/ | |
959 | ||
960 | check_printer_state(http, language, charset, uri, resource, argv[2], version); | |
961 | ||
962 | /* | |
963 | * Free memory... | |
964 | */ | |
965 | ||
966 | httpClose(http); | |
967 | ||
968 | if (supported) | |
969 | ippDelete(supported); | |
970 | ||
971 | /* | |
972 | * Remove the temporary file(s) if necessary... | |
973 | */ | |
974 | ||
975 | if (tmpfilename[0]) | |
976 | unlink(tmpfilename); | |
977 | ||
978 | #ifdef __APPLE__ | |
979 | if (pstmpname[0]) | |
980 | unlink(pstmpname); | |
981 | #endif /* __APPLE__ */ | |
982 | ||
983 | /* | |
984 | * Return the queue status... | |
985 | */ | |
986 | ||
987 | return (ipp_status > IPP_OK_CONFLICT); | |
988 | } | |
989 | ||
990 | ||
991 | /* | |
992 | * 'check_printer_state()' - Check the printer state... | |
993 | */ | |
994 | ||
995 | void | |
996 | check_printer_state(http_t *http, /* I - HTTP connection */ | |
997 | cups_lang_t *language, | |
998 | /* I - Language */ | |
999 | const char *charset, | |
1000 | /* I - Charset */ | |
1001 | const char *uri, /* I - Printer URI */ | |
1002 | const char *resource, | |
1003 | /* I - Resource path */ | |
1004 | const char *user, /* I - Username, if any */ | |
1005 | int version)/* I - IPP version */ | |
1006 | { | |
1007 | ipp_t *request, /* IPP request */ | |
1008 | *response; /* IPP response */ | |
1009 | ||
1010 | ||
1011 | /* | |
1012 | * Check on the printer state... | |
1013 | */ | |
1014 | ||
1015 | request = ippNew(); | |
1016 | request->request.op.version[1] = version; | |
1017 | request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES; | |
1018 | request->request.op.request_id = 1; | |
1019 | ||
1020 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, | |
1021 | "attributes-charset", NULL, charset); | |
1022 | ||
1023 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, | |
1024 | "attributes-natural-language", NULL, | |
1025 | language != NULL ? language->language : "en"); | |
1026 | ||
1027 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
1028 | NULL, uri); | |
1029 | ||
1030 | if (user && user[0]) | |
1031 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, | |
1032 | "requesting-user-name", NULL, user); | |
1033 | ||
1034 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, | |
1035 | "requested-attributes", NULL, "printer-state-reasons"); | |
1036 | ||
1037 | /* | |
1038 | * Do the request... | |
1039 | */ | |
1040 | ||
1041 | if ((response = cupsDoRequest(http, request, resource)) != NULL) | |
1042 | { | |
1043 | report_printer_state(response); | |
1044 | ippDelete(response); | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | ||
1049 | /* | |
1050 | * 'password_cb()' - Disable the password prompt for cupsDoFileRequest(). | |
1051 | */ | |
1052 | ||
1053 | const char * /* O - Password */ | |
1054 | password_cb(const char *prompt) /* I - Prompt (not used) */ | |
1055 | { | |
1056 | (void)prompt; | |
1057 | ||
1058 | return (password); | |
1059 | } | |
1060 | ||
1061 | ||
1062 | /* | |
1063 | * 'report_printer_state()' - Report the printer state. | |
1064 | */ | |
1065 | ||
1066 | int /* O - Number of reasons shown */ | |
1067 | report_printer_state(ipp_t *ipp) /* I - IPP response */ | |
1068 | { | |
1069 | int i; /* Looping var */ | |
1070 | int count; /* Count of reasons shown... */ | |
1071 | ipp_attribute_t *reasons; /* printer-state-reasons */ | |
1072 | const char *reason; /* Current reason */ | |
1073 | const char *message; /* Message to show */ | |
1074 | char unknown[1024]; /* Unknown message string */ | |
1075 | const char *prefix; /* Prefix for STATE: line */ | |
1076 | char state[1024]; /* State string */ | |
1077 | ||
1078 | ||
1079 | if ((reasons = ippFindAttribute(ipp, "printer-state-reasons", | |
1080 | IPP_TAG_KEYWORD)) == NULL) | |
1081 | return (0); | |
1082 | ||
1083 | state[0] = '\0'; | |
1084 | prefix = "STATE: "; | |
1085 | ||
1086 | for (i = 0, count = 0; i < reasons->num_values; i ++) | |
1087 | { | |
1088 | reason = reasons->values[i].string.text; | |
1089 | ||
1090 | strlcat(state, prefix, sizeof(state)); | |
1091 | strlcat(state, reason, sizeof(state)); | |
1092 | ||
1093 | prefix = ","; | |
1094 | message = NULL; | |
1095 | ||
1096 | if (strncmp(reason, "media-needed", 12) == 0) | |
1097 | message = "Media tray needs to be filled."; | |
1098 | else if (strncmp(reason, "media-jam", 9) == 0) | |
1099 | message = "Media jam!"; | |
1100 | else if (strncmp(reason, "moving-to-paused", 16) == 0 || | |
1101 | strncmp(reason, "paused", 6) == 0 || | |
1102 | strncmp(reason, "shutdown", 8) == 0) | |
1103 | message = "Printer off-line."; | |
1104 | else if (strncmp(reason, "toner-low", 9) == 0) | |
1105 | message = "Toner low."; | |
1106 | else if (strncmp(reason, "toner-empty", 11) == 0) | |
1107 | message = "Out of toner!"; | |
1108 | else if (strncmp(reason, "cover-open", 10) == 0) | |
1109 | message = "Cover open."; | |
1110 | else if (strncmp(reason, "interlock-open", 14) == 0) | |
1111 | message = "Interlock open."; | |
1112 | else if (strncmp(reason, "door-open", 9) == 0) | |
1113 | message = "Door open."; | |
1114 | else if (strncmp(reason, "input-tray-missing", 18) == 0) | |
1115 | message = "Media tray missing!"; | |
1116 | else if (strncmp(reason, "media-low", 9) == 0) | |
1117 | message = "Media tray almost empty."; | |
1118 | else if (strncmp(reason, "media-empty", 11) == 0) | |
1119 | message = "Media tray empty!"; | |
1120 | else if (strncmp(reason, "output-tray-missing", 19) == 0) | |
1121 | message = "Output tray missing!"; | |
1122 | else if (strncmp(reason, "output-area-almost-full", 23) == 0) | |
1123 | message = "Output bin almost full."; | |
1124 | else if (strncmp(reason, "output-area-full", 16) == 0) | |
1125 | message = "Output bin full!"; | |
1126 | else if (strncmp(reason, "marker-supply-low", 17) == 0) | |
1127 | message = "Ink/toner almost empty."; | |
1128 | else if (strncmp(reason, "marker-supply-empty", 19) == 0) | |
1129 | message = "Ink/toner empty!"; | |
1130 | else if (strncmp(reason, "marker-waste-almost-full", 24) == 0) | |
1131 | message = "Ink/toner waste bin almost full."; | |
1132 | else if (strncmp(reason, "marker-waste-full", 17) == 0) | |
1133 | message = "Ink/toner waste bin full!"; | |
1134 | else if (strncmp(reason, "fuser-over-temp", 15) == 0) | |
1135 | message = "Fuser temperature high!"; | |
1136 | else if (strncmp(reason, "fuser-under-temp", 16) == 0) | |
1137 | message = "Fuser temperature low!"; | |
1138 | else if (strncmp(reason, "opc-near-eol", 12) == 0) | |
1139 | message = "OPC almost at end-of-life."; | |
1140 | else if (strncmp(reason, "opc-life-over", 13) == 0) | |
1141 | message = "OPC at end-of-life!"; | |
1142 | else if (strncmp(reason, "developer-low", 13) == 0) | |
1143 | message = "Developer almost empty."; | |
1144 | else if (strncmp(reason, "developer-empty", 15) == 0) | |
1145 | message = "Developer empty!"; | |
1146 | else if (strstr(reason, "error") != NULL) | |
1147 | { | |
1148 | message = unknown; | |
1149 | ||
1150 | snprintf(unknown, sizeof(unknown), "Unknown printer error (%s)!", | |
1151 | reason); | |
1152 | } | |
1153 | ||
1154 | if (message) | |
1155 | { | |
1156 | count ++; | |
1157 | if (strstr(reasons->values[i].string.text, "error")) | |
1158 | fprintf(stderr, "ERROR: %s\n", message); | |
1159 | else if (strstr(reasons->values[i].string.text, "warning")) | |
1160 | fprintf(stderr, "WARNING: %s\n", message); | |
1161 | else | |
1162 | fprintf(stderr, "INFO: %s\n", message); | |
1163 | } | |
1164 | } | |
1165 | ||
1166 | fprintf(stderr, "%s\n", state); | |
1167 | ||
1168 | return (count); | |
1169 | } | |
1170 | ||
1171 | ||
1172 | #ifdef __APPLE__ | |
1173 | /* | |
1174 | * 'run_pictwps_filter()' - Convert PICT files to PostScript when printing | |
1175 | * remotely. | |
1176 | * | |
1177 | * This step is required because the PICT format is not documented and | |
1178 | * subject to change, so developing a filter for other OS's is infeasible. | |
1179 | * Also, fonts required by the PICT file need to be embedded on the | |
1180 | * client side (which has the fonts), so we run the filter to get a | |
1181 | * PostScript file for printing... | |
1182 | */ | |
1183 | ||
1184 | int /* O - Exit status of filter */ | |
1185 | run_pictwps_filter(char **argv, /* I - Command-line arguments */ | |
1186 | const char *filename) /* I - Filename */ | |
1187 | { | |
1188 | struct stat fileinfo; /* Print file information */ | |
1189 | const char *ppdfile; /* PPD file for destination printer */ | |
1190 | int pid; /* Child process ID */ | |
1191 | int fd; /* Temporary file descriptor */ | |
1192 | int status; /* Exit status of filter */ | |
1193 | const char *printer; /* PRINTER env var */ | |
1194 | static char ppdenv[1024]; /* PPD environment variable */ | |
1195 | ||
1196 | ||
1197 | /* | |
1198 | * First get the PPD file for the printer... | |
1199 | */ | |
1200 | ||
1201 | printer = getenv("PRINTER"); | |
1202 | if (!printer) | |
1203 | { | |
1204 | fputs("ERROR: PRINTER environment variable not defined!\n", stderr); | |
1205 | return (-1); | |
1206 | } | |
1207 | ||
1208 | if ((ppdfile = cupsGetPPD(printer)) == NULL) | |
1209 | { | |
1210 | fprintf(stderr, "ERROR: Unable to get PPD file for printer \"%s\" - %s.\n", | |
1211 | printer, ippErrorString(cupsLastError())); | |
1212 | /*return (-1);*/ | |
1213 | } | |
1214 | else | |
1215 | { | |
1216 | snprintf(ppdenv, sizeof(ppdenv), "PPD=%s", ppdfile); | |
1217 | putenv(ppdenv); | |
1218 | } | |
1219 | ||
1220 | /* | |
1221 | * Then create a temporary file for printing... | |
1222 | */ | |
1223 | ||
1224 | if ((fd = cupsTempFd(pstmpname, sizeof(pstmpname))) < 0) | |
1225 | { | |
1226 | fprintf(stderr, "ERROR: Unable to create temporary file - %s.\n", | |
1227 | strerror(errno)); | |
1228 | if (ppdfile) | |
1229 | unlink(ppdfile); | |
1230 | return (-1); | |
1231 | } | |
1232 | ||
1233 | /* | |
1234 | * Get the owner of the spool file - it is owned by the user we want to run | |
1235 | * as... | |
1236 | */ | |
1237 | ||
1238 | if (argv[6]) | |
1239 | stat(argv[6], &fileinfo); | |
1240 | else | |
1241 | { | |
1242 | /* | |
1243 | * Use the OSX defaults, as an up-stream filter created the PICT | |
1244 | * file... | |
1245 | */ | |
1246 | ||
1247 | fileinfo.st_uid = 1; | |
1248 | fileinfo.st_gid = 80; | |
1249 | } | |
1250 | ||
1251 | if (ppdfile) | |
1252 | chown(ppdfile, fileinfo.st_uid, fileinfo.st_gid); | |
1253 | ||
1254 | fchown(fd, fileinfo.st_uid, fileinfo.st_gid); | |
1255 | ||
1256 | /* | |
1257 | * Finally, run the filter to convert the file... | |
1258 | */ | |
1259 | ||
1260 | if ((pid = fork()) == 0) | |
1261 | { | |
1262 | /* | |
1263 | * Child process for pictwpstops... Redirect output of pictwpstops to a | |
1264 | * file... | |
1265 | */ | |
1266 | ||
1267 | close(1); | |
1268 | dup(fd); | |
1269 | close(fd); | |
1270 | ||
1271 | if (!getuid()) | |
1272 | { | |
1273 | /* | |
1274 | * Change to an unpriviledged user... | |
1275 | */ | |
1276 | ||
1277 | setgid(fileinfo.st_gid); | |
1278 | setuid(fileinfo.st_uid); | |
1279 | } | |
1280 | ||
1281 | execlp("pictwpstops", printer, argv[1], argv[2], argv[3], argv[4], argv[5], | |
1282 | filename, NULL); | |
1283 | perror("ERROR: Unable to exec pictwpstops"); | |
1284 | return (errno); | |
1285 | } | |
1286 | ||
1287 | close(fd); | |
1288 | ||
1289 | if (pid < 0) | |
1290 | { | |
1291 | /* | |
1292 | * Error! | |
1293 | */ | |
1294 | ||
1295 | perror("ERROR: Unable to fork pictwpstops"); | |
1296 | unlink(filename); | |
1297 | if (ppdfile) | |
1298 | unlink(ppdfile); | |
1299 | return (-1); | |
1300 | } | |
1301 | ||
1302 | /* | |
1303 | * Now wait for the filter to complete... | |
1304 | */ | |
1305 | ||
1306 | if (wait(&status) < 0) | |
1307 | { | |
1308 | perror("ERROR: Unable to wait for pictwpstops"); | |
1309 | close(fd); | |
1310 | unlink(filename); | |
1311 | if (ppdfile) | |
1312 | unlink(ppdfile); | |
1313 | return (-1); | |
1314 | } | |
1315 | ||
1316 | if (ppdfile) | |
1317 | unlink(ppdfile); | |
1318 | ||
1319 | close(fd); | |
1320 | ||
1321 | if (status) | |
1322 | { | |
1323 | if (status >= 256) | |
1324 | fprintf(stderr, "ERROR: pictwpstops exited with status %d!\n", | |
1325 | status / 256); | |
1326 | else | |
1327 | fprintf(stderr, "ERROR: pictwpstops exited on signal %d!\n", | |
1328 | status); | |
1329 | ||
1330 | unlink(filename); | |
1331 | return (status); | |
1332 | } | |
1333 | ||
1334 | /* | |
1335 | * Return with no errors.. | |
1336 | */ | |
1337 | ||
1338 | return (0); | |
1339 | } | |
1340 | #endif /* __APPLE__ */ | |
1341 | ||
1342 | ||
1343 | /* | |
1344 | * 'sigterm_handler()' - Handle 'terminate' signals that stop the backend. | |
1345 | */ | |
1346 | ||
1347 | static void | |
1348 | sigterm_handler(int sig) /* I - Signal */ | |
1349 | { | |
1350 | (void)sig; /* remove compiler warnings... */ | |
1351 | ||
1352 | /* | |
1353 | * Remove the temporary file(s) if necessary... | |
1354 | */ | |
1355 | ||
1356 | if (tmpfilename[0]) | |
1357 | unlink(tmpfilename); | |
1358 | ||
1359 | #ifdef __APPLE__ | |
1360 | if (pstmpname[0]) | |
1361 | unlink(pstmpname); | |
1362 | #endif /* __APPLE__ */ | |
1363 | ||
1364 | exit(1); | |
1365 | } | |
1366 | ||
1367 | ||
1368 | /* | |
1369 | * End of "$Id: ipp.c,v 1.38.2.32 2004/06/29 02:45:24 mike Exp $". | |
1370 | */ |