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ef416fc2 | 1 | /* |
a4d04587 | 2 | * "$Id: ipp.c 5023 2006-01-29 14:39:44Z mike $" |
ef416fc2 | 3 | * |
4 | * IPP backend for the Common UNIX Printing System (CUPS). | |
5 | * | |
6 | * Copyright 1997-2006 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 USA | |
19 | * | |
20 | * Voice: (301) 373-9600 | |
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 <cups/http-private.h> | |
43 | #include <stdio.h> | |
44 | #include <stdlib.h> | |
45 | #include <errno.h> | |
46 | #include <sys/types.h> | |
47 | #include <sys/stat.h> | |
48 | #include <cups/backend.h> | |
49 | #include <cups/cups.h> | |
50 | #include <cups/language.h> | |
51 | #include <cups/string.h> | |
52 | #include <signal.h> | |
53 | #include <sys/wait.h> | |
54 | ||
55 | ||
56 | /* | |
57 | * Globals... | |
58 | */ | |
59 | ||
60 | static char *password = NULL; /* Password for device URI */ | |
61 | #ifdef __APPLE__ | |
62 | static char pstmpname[1024] = ""; /* Temporary PostScript file name */ | |
63 | #endif /* __APPLE__ */ | |
64 | static char tmpfilename[1024] = ""; /* Temporary spool file name */ | |
65 | ||
66 | ||
67 | /* | |
68 | * Local functions... | |
69 | */ | |
70 | ||
fa73b229 | 71 | void check_printer_state(http_t *http, const char *uri, |
ef416fc2 | 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 */ | |
ef416fc2 | 121 | ipp_attribute_t *format_sup; /* document-format-supported attribute */ |
122 | ipp_attribute_t *printer_state; /* printer-state attribute */ | |
123 | ipp_attribute_t *printer_accepting; /* printer-is-accepting-jobs attribute */ | |
ef416fc2 | 124 | int copies; /* Number of copies remaining */ |
125 | const char *content_type; /* CONTENT_TYPE environment variable */ | |
126 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
127 | struct sigaction action; /* Actions for POSIX signals */ | |
128 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
129 | int version; /* IPP version */ | |
130 | int reasons; /* Number of printer-state-reasons shown */ | |
131 | static const char * const pattrs[] = | |
132 | { /* Printer attributes we want */ | |
133 | "copies-supported", | |
ef416fc2 | 134 | "document-format-supported", |
135 | "printer-is-accepting-jobs", | |
136 | "printer-state", | |
137 | "printer-state-reasons", | |
138 | }; | |
139 | static const char * const jattrs[] = | |
140 | { /* Job attributes we want */ | |
141 | "job-media-sheets-completed", | |
142 | "job-state" | |
143 | }; | |
144 | ||
145 | ||
146 | /* | |
147 | * Make sure status messages are not buffered... | |
148 | */ | |
149 | ||
150 | setbuf(stderr, NULL); | |
151 | ||
152 | /* | |
153 | * Ignore SIGPIPE and catch SIGTERM signals... | |
154 | */ | |
155 | ||
156 | #ifdef HAVE_SIGSET | |
157 | sigset(SIGPIPE, SIG_IGN); | |
158 | sigset(SIGTERM, sigterm_handler); | |
159 | #elif defined(HAVE_SIGACTION) | |
160 | memset(&action, 0, sizeof(action)); | |
161 | action.sa_handler = SIG_IGN; | |
162 | sigaction(SIGPIPE, &action, NULL); | |
163 | ||
164 | sigemptyset(&action.sa_mask); | |
165 | sigaddset(&action.sa_mask, SIGTERM); | |
166 | action.sa_handler = sigterm_handler; | |
167 | sigaction(SIGTERM, &action, NULL); | |
168 | #else | |
169 | signal(SIGPIPE, SIG_IGN); | |
170 | signal(SIGTERM, sigterm_handler); | |
171 | #endif /* HAVE_SIGSET */ | |
172 | ||
173 | /* | |
174 | * Check command-line... | |
175 | */ | |
176 | ||
177 | if (argc == 1) | |
178 | { | |
179 | char *s; | |
180 | ||
181 | if ((s = strrchr(argv[0], '/')) != NULL) | |
182 | s ++; | |
183 | else | |
184 | s = argv[0]; | |
185 | ||
186 | printf("network %s \"Unknown\" \"Internet Printing Protocol (%s)\"\n", s, s); | |
187 | return (CUPS_BACKEND_OK); | |
188 | } | |
189 | else if (argc < 6 || argc > 7) | |
190 | { | |
191 | fprintf(stderr, "Usage: %s job-id user title copies options [file]\n", | |
192 | argv[0]); | |
193 | return (CUPS_BACKEND_STOP); | |
194 | } | |
195 | ||
196 | /* | |
197 | * Get the content type... | |
198 | */ | |
199 | ||
200 | if (argc > 6) | |
201 | content_type = getenv("CONTENT_TYPE"); | |
202 | else | |
203 | content_type = "application/vnd.cups-raw"; | |
204 | ||
205 | if (content_type == NULL) | |
206 | content_type = "application/octet-stream"; | |
207 | ||
208 | /* | |
209 | * Extract the hostname and printer name from the URI... | |
210 | */ | |
211 | ||
a4d04587 | 212 | if (httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv), |
213 | method, sizeof(method), username, sizeof(username), | |
214 | hostname, sizeof(hostname), &port, | |
215 | resource, sizeof(resource)) < HTTP_URI_OK) | |
ef416fc2 | 216 | { |
a4d04587 | 217 | fputs("ERROR: Missing device URI on command-line and no DEVICE_URI " |
218 | "environment variable!\n", stderr); | |
ef416fc2 | 219 | return (CUPS_BACKEND_STOP); |
220 | } | |
221 | ||
222 | if (!strcmp(method, "https")) | |
223 | cupsSetEncryption(HTTP_ENCRYPT_ALWAYS); | |
224 | ||
225 | /* | |
226 | * If we have 7 arguments, print the file named on the command-line. | |
227 | * Otherwise, copy stdin to a temporary file and print the temporary | |
228 | * file. | |
229 | */ | |
230 | ||
231 | if (argc == 6) | |
232 | { | |
233 | /* | |
234 | * Copy stdin to a temporary file... | |
235 | */ | |
236 | ||
237 | int fd; /* Temporary file */ | |
238 | char buffer[8192]; /* Buffer for copying */ | |
239 | int bytes; /* Number of bytes read */ | |
240 | ||
241 | ||
242 | if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0) | |
243 | { | |
244 | perror("ERROR: unable to create temporary file"); | |
245 | return (CUPS_BACKEND_FAILED); | |
246 | } | |
247 | ||
248 | while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0) | |
249 | if (write(fd, buffer, bytes) < bytes) | |
250 | { | |
251 | perror("ERROR: unable to write to temporary file"); | |
252 | close(fd); | |
253 | unlink(tmpfilename); | |
254 | return (CUPS_BACKEND_FAILED); | |
255 | } | |
256 | ||
257 | close(fd); | |
258 | filename = tmpfilename; | |
259 | } | |
260 | else | |
261 | filename = argv[6]; | |
262 | ||
263 | /* | |
264 | * See if there are any options... | |
265 | */ | |
266 | ||
267 | version = 1; | |
268 | waitjob = 1; | |
269 | waitprinter = 1; | |
270 | ||
271 | if ((optptr = strchr(resource, '?')) != NULL) | |
272 | { | |
273 | /* | |
274 | * Yup, terminate the device name string and move to the first | |
275 | * character of the optptr... | |
276 | */ | |
277 | ||
278 | *optptr++ = '\0'; | |
279 | ||
280 | /* | |
281 | * Then parse the optptr... | |
282 | */ | |
283 | ||
284 | while (*optptr) | |
285 | { | |
286 | /* | |
287 | * Get the name... | |
288 | */ | |
289 | ||
290 | for (ptr = name; *optptr && *optptr != '=';) | |
291 | if (ptr < (name + sizeof(name) - 1)) | |
292 | *ptr++ = *optptr++; | |
293 | *ptr = '\0'; | |
294 | ||
295 | if (*optptr == '=') | |
296 | { | |
297 | /* | |
298 | * Get the value... | |
299 | */ | |
300 | ||
301 | optptr ++; | |
302 | ||
303 | for (ptr = value; *optptr && *optptr != '+' && *optptr != '&';) | |
304 | if (ptr < (value + sizeof(value) - 1)) | |
305 | *ptr++ = *optptr++; | |
306 | *ptr = '\0'; | |
307 | ||
308 | if (*optptr == '+') | |
309 | optptr ++; | |
310 | } | |
311 | else | |
312 | value[0] = '\0'; | |
313 | ||
314 | /* | |
315 | * Process the option... | |
316 | */ | |
317 | ||
318 | if (!strcasecmp(name, "waitjob")) | |
319 | { | |
320 | /* | |
321 | * Wait for job completion? | |
322 | */ | |
323 | ||
324 | waitjob = !strcasecmp(value, "on") || | |
325 | !strcasecmp(value, "yes") || | |
326 | !strcasecmp(value, "true"); | |
327 | } | |
328 | else if (!strcasecmp(name, "waitprinter")) | |
329 | { | |
330 | /* | |
331 | * Wait for printer idle? | |
332 | */ | |
333 | ||
334 | waitprinter = !strcasecmp(value, "on") || | |
335 | !strcasecmp(value, "yes") || | |
336 | !strcasecmp(value, "true"); | |
337 | } | |
338 | else if (!strcasecmp(name, "encryption")) | |
339 | { | |
340 | /* | |
341 | * Enable/disable encryption? | |
342 | */ | |
343 | ||
344 | if (!strcasecmp(value, "always")) | |
345 | cupsSetEncryption(HTTP_ENCRYPT_ALWAYS); | |
346 | else if (!strcasecmp(value, "required")) | |
347 | cupsSetEncryption(HTTP_ENCRYPT_REQUIRED); | |
348 | else if (!strcasecmp(value, "never")) | |
349 | cupsSetEncryption(HTTP_ENCRYPT_NEVER); | |
350 | else if (!strcasecmp(value, "ifrequested")) | |
351 | cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED); | |
352 | else | |
353 | { | |
354 | fprintf(stderr, "ERROR: Unknown encryption option value \"%s\"!\n", | |
355 | value); | |
356 | } | |
357 | } | |
358 | else if (!strcasecmp(name, "version")) | |
359 | { | |
360 | if (!strcmp(value, "1.0")) | |
361 | version = 0; | |
362 | else if (!strcmp(value, "1.1")) | |
363 | version = 1; | |
364 | else | |
365 | { | |
366 | fprintf(stderr, "ERROR: Unknown version option value \"%s\"!\n", | |
367 | value); | |
368 | } | |
369 | } | |
370 | else | |
371 | { | |
372 | /* | |
373 | * Unknown option... | |
374 | */ | |
375 | ||
376 | fprintf(stderr, "ERROR: Unknown option \"%s\" with value \"%s\"!\n", | |
377 | name, value); | |
378 | } | |
379 | } | |
380 | } | |
381 | ||
382 | /* | |
383 | * Set the authentication info, if any... | |
384 | */ | |
385 | ||
386 | cupsSetPasswordCB(password_cb); | |
387 | ||
388 | if (username[0]) | |
389 | { | |
390 | /* | |
391 | * Use authenticaion information in the device URI... | |
392 | */ | |
393 | ||
394 | if ((password = strchr(username, ':')) != NULL) | |
395 | *password++ = '\0'; | |
396 | ||
397 | cupsSetUser(username); | |
398 | } | |
399 | else if (!getuid()) | |
400 | { | |
401 | /* | |
402 | * Try loading authentication information from the a##### file. | |
403 | */ | |
404 | ||
405 | const char *request_root; /* CUPS_REQUESTROOT env var */ | |
406 | char afilename[1024], /* a##### filename */ | |
407 | aline[1024]; /* Line from file */ | |
408 | FILE *fp; /* File pointer */ | |
409 | ||
410 | ||
411 | if ((request_root = getenv("CUPS_REQUESTROOT")) != NULL) | |
412 | { | |
413 | /* | |
414 | * Try opening authentication cache file... | |
415 | */ | |
416 | ||
417 | snprintf(afilename, sizeof(afilename), "%s/a%05d", request_root, | |
418 | atoi(argv[1])); | |
419 | if ((fp = fopen(afilename, "r")) != NULL) | |
420 | { | |
421 | /* | |
422 | * Read username... | |
423 | */ | |
424 | ||
425 | if (fgets(aline, sizeof(aline), fp)) | |
426 | { | |
427 | /* | |
428 | * Decode username... | |
429 | */ | |
430 | ||
431 | i = sizeof(username); | |
432 | httpDecode64_2(username, &i, aline); | |
433 | ||
434 | /* | |
435 | * Read password... | |
436 | */ | |
437 | ||
438 | if (fgets(aline, sizeof(aline), fp)) | |
439 | { | |
440 | /* | |
441 | * Decode password... | |
442 | */ | |
443 | ||
444 | i = sizeof(password); | |
445 | httpDecode64_2(password, &i, aline); | |
446 | } | |
447 | } | |
448 | ||
449 | /* | |
450 | * Close the file... | |
451 | */ | |
452 | ||
453 | fclose(fp); | |
454 | } | |
455 | } | |
456 | } | |
457 | ||
458 | /* | |
459 | * Try connecting to the remote server... | |
460 | */ | |
461 | ||
462 | do | |
463 | { | |
464 | fprintf(stderr, "INFO: Connecting to %s on port %d...\n", hostname, port); | |
465 | ||
466 | if ((http = httpConnectEncrypt(hostname, port, cupsEncryption())) == NULL) | |
467 | { | |
468 | if (getenv("CLASS") != NULL) | |
469 | { | |
470 | /* | |
471 | * If the CLASS environment variable is set, the job was submitted | |
472 | * to a class and not to a specific queue. In this case, we want | |
473 | * to abort immediately so that the job can be requeued on the next | |
474 | * available printer in the class. | |
475 | */ | |
476 | ||
477 | fprintf(stderr, "INFO: Unable to connect to %s, queuing on next printer in class...\n", | |
478 | hostname); | |
479 | ||
480 | if (argc == 6 || strcmp(filename, argv[6])) | |
481 | unlink(filename); | |
482 | ||
483 | /* | |
484 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
485 | */ | |
486 | ||
487 | sleep(5); | |
488 | ||
489 | return (CUPS_BACKEND_FAILED); | |
490 | } | |
491 | ||
492 | if (errno == ECONNREFUSED || errno == EHOSTDOWN || | |
493 | errno == EHOSTUNREACH) | |
494 | { | |
495 | fprintf(stderr, "INFO: Network host \'%s\' is busy; will retry in 30 seconds...\n", | |
496 | hostname); | |
497 | sleep(30); | |
498 | } | |
499 | else if (h_errno) | |
500 | { | |
501 | fprintf(stderr, "INFO: Unable to lookup host \'%s\' - %s\n", | |
502 | hostname, hstrerror(h_errno)); | |
503 | sleep(30); | |
504 | } | |
505 | else | |
506 | { | |
507 | perror("ERROR: Unable to connect to IPP host"); | |
508 | sleep(30); | |
509 | } | |
510 | } | |
511 | } | |
512 | while (http == NULL); | |
513 | ||
514 | fprintf(stderr, "INFO: Connected to %s...\n", hostname); | |
515 | ||
516 | /* | |
517 | * Build a URI for the printer and fill the standard IPP attributes for | |
518 | * an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it | |
519 | * might contain username:password information... | |
520 | */ | |
521 | ||
522 | snprintf(uri, sizeof(uri), "%s://%s:%d%s", method, hostname, port, resource); | |
523 | ||
524 | /* | |
525 | * First validate the destination and see if the device supports multiple | |
526 | * copies. We have to do this because some IPP servers (e.g. HP JetDirect) | |
527 | * don't support the copies attribute... | |
528 | */ | |
529 | ||
fa73b229 | 530 | copies_sup = NULL; |
531 | format_sup = NULL; | |
532 | supported = NULL; | |
ef416fc2 | 533 | |
534 | do | |
535 | { | |
536 | /* | |
537 | * Build the IPP request... | |
538 | */ | |
539 | ||
fa73b229 | 540 | request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES); |
541 | request->request.op.version[1] = version; | |
ef416fc2 | 542 | |
543 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
544 | NULL, uri); | |
545 | ||
546 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, | |
547 | "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]), | |
548 | NULL, pattrs); | |
549 | ||
550 | /* | |
551 | * Do the request... | |
552 | */ | |
553 | ||
554 | fputs("DEBUG: Getting supported attributes...\n", stderr); | |
555 | ||
556 | if ((supported = cupsDoRequest(http, request, resource)) == NULL) | |
557 | ipp_status = cupsLastError(); | |
558 | else | |
559 | ipp_status = supported->request.status.status_code; | |
560 | ||
561 | if (ipp_status > IPP_OK_CONFLICT) | |
562 | { | |
563 | if (ipp_status == IPP_PRINTER_BUSY || | |
564 | ipp_status == IPP_SERVICE_UNAVAILABLE) | |
565 | { | |
566 | fputs("INFO: Printer busy; will retry in 10 seconds...\n", stderr); | |
567 | report_printer_state(supported); | |
568 | sleep(10); | |
569 | } | |
570 | else if ((ipp_status == IPP_BAD_REQUEST || | |
571 | ipp_status == IPP_VERSION_NOT_SUPPORTED) && version == 1) | |
572 | { | |
573 | /* | |
574 | * Switch to IPP/1.0... | |
575 | */ | |
576 | ||
577 | fputs("INFO: Printer does not support IPP/1.1, trying IPP/1.0...\n", stderr); | |
578 | version = 0; | |
579 | httpReconnect(http); | |
580 | } | |
581 | else if (ipp_status == IPP_NOT_FOUND) | |
582 | { | |
583 | fputs("ERROR: Destination printer does not exist!\n", stderr); | |
584 | ||
585 | if (supported) | |
586 | ippDelete(supported); | |
587 | ||
588 | return (CUPS_BACKEND_STOP); | |
589 | } | |
590 | else | |
591 | { | |
592 | fprintf(stderr, "ERROR: Unable to get printer status (%s)!\n", | |
593 | ippErrorString(ipp_status)); | |
594 | sleep(10); | |
595 | } | |
596 | ||
597 | if (supported) | |
598 | ippDelete(supported); | |
599 | ||
600 | continue; | |
601 | } | |
602 | else if ((copies_sup = ippFindAttribute(supported, "copies-supported", | |
603 | IPP_TAG_RANGE)) != NULL) | |
604 | { | |
605 | /* | |
606 | * Has the "copies-supported" attribute - does it have an upper | |
607 | * bound > 1? | |
608 | */ | |
609 | ||
610 | if (copies_sup->values[0].range.upper <= 1) | |
611 | copies_sup = NULL; /* No */ | |
612 | } | |
613 | ||
fa73b229 | 614 | format_sup = ippFindAttribute(supported, "document-format-supported", |
615 | IPP_TAG_MIMETYPE); | |
ef416fc2 | 616 | |
617 | if (format_sup) | |
618 | { | |
619 | fprintf(stderr, "DEBUG: document-format-supported (%d values)\n", | |
620 | format_sup->num_values); | |
621 | for (i = 0; i < format_sup->num_values; i ++) | |
622 | fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i, | |
623 | format_sup->values[i].string.text); | |
624 | } | |
625 | ||
626 | report_printer_state(supported); | |
627 | } | |
628 | while (ipp_status > IPP_OK_CONFLICT); | |
629 | ||
630 | /* | |
631 | * See if the printer is accepting jobs and is not stopped; if either | |
632 | * condition is true and we are printing to a class, requeue the job... | |
633 | */ | |
634 | ||
635 | if (getenv("CLASS") != NULL) | |
636 | { | |
637 | printer_state = ippFindAttribute(supported, "printer-state", | |
638 | IPP_TAG_ENUM); | |
639 | printer_accepting = ippFindAttribute(supported, "printer-is-accepting-jobs", | |
640 | IPP_TAG_BOOLEAN); | |
641 | ||
642 | if (printer_state == NULL || | |
643 | (printer_state->values[0].integer > IPP_PRINTER_PROCESSING && waitprinter) || | |
644 | printer_accepting == NULL || | |
645 | !printer_accepting->values[0].boolean) | |
646 | { | |
647 | /* | |
648 | * If the CLASS environment variable is set, the job was submitted | |
649 | * to a class and not to a specific queue. In this case, we want | |
650 | * to abort immediately so that the job can be requeued on the next | |
651 | * available printer in the class. | |
652 | */ | |
653 | ||
654 | fprintf(stderr, "INFO: Unable to queue job on %s, queuing on next printer in class...\n", | |
655 | hostname); | |
656 | ||
657 | ippDelete(supported); | |
658 | httpClose(http); | |
659 | ||
660 | if (argc == 6 || strcmp(filename, argv[6])) | |
661 | unlink(filename); | |
662 | ||
663 | /* | |
664 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
665 | */ | |
666 | ||
667 | sleep(5); | |
668 | ||
669 | return (CUPS_BACKEND_FAILED); | |
670 | } | |
671 | } | |
672 | ||
673 | /* | |
674 | * See if the printer supports multiple copies... | |
675 | */ | |
676 | ||
677 | if (copies_sup || argc < 7) | |
678 | copies = 1; | |
679 | else | |
680 | copies = atoi(argv[4]); | |
681 | ||
ef416fc2 | 682 | /* |
683 | * Then issue the print-job request... | |
684 | */ | |
685 | ||
686 | reasons = 0; | |
687 | ||
688 | while (copies > 0) | |
689 | { | |
690 | /* | |
691 | * Build the IPP request... | |
692 | */ | |
693 | ||
fa73b229 | 694 | request = ippNewRequest(IPP_PRINT_JOB); |
695 | request->request.op.version[1] = version; | |
ef416fc2 | 696 | |
697 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
698 | NULL, uri); | |
699 | ||
700 | fprintf(stderr, "DEBUG: printer-uri = \"%s\"\n", uri); | |
701 | ||
702 | if (argv[2][0]) | |
703 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, | |
704 | "requesting-user-name", NULL, argv[2]); | |
705 | ||
706 | fprintf(stderr, "DEBUG: requesting-user-name = \"%s\"\n", argv[2]); | |
707 | ||
708 | if (argv[3][0]) | |
709 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, | |
710 | argv[3]); | |
711 | ||
712 | fprintf(stderr, "DEBUG: job-name = \"%s\"\n", argv[3]); | |
713 | ||
714 | /* | |
715 | * Handle options on the command-line... | |
716 | */ | |
717 | ||
718 | options = NULL; | |
719 | num_options = cupsParseOptions(argv[5], 0, &options); | |
720 | ||
721 | #ifdef __APPLE__ | |
722 | if (content_type != NULL && strcasecmp(content_type, "application/pictwps") == 0) | |
723 | { | |
724 | if (format_sup != NULL) | |
725 | { | |
726 | for (i = 0; i < format_sup->num_values; i ++) | |
727 | if (strcasecmp(content_type, format_sup->values[i].string.text) == 0) | |
728 | break; | |
729 | } | |
730 | ||
731 | if (format_sup == NULL || i >= format_sup->num_values) | |
732 | { | |
733 | /* | |
734 | * Remote doesn't support "application/pictwps" (i.e. it's not MacOS X) | |
735 | * so convert the document to PostScript... | |
736 | */ | |
737 | ||
738 | if (run_pictwps_filter(argv, filename)) | |
739 | return (CUPS_BACKEND_FAILED); | |
740 | ||
741 | filename = pstmpname; | |
742 | ||
743 | /* | |
744 | * Change the MIME type to application/postscript... | |
745 | */ | |
746 | ||
747 | content_type = "application/postscript"; | |
748 | } | |
749 | } | |
750 | #endif /* __APPLE__ */ | |
751 | ||
752 | if (content_type != NULL && format_sup != NULL) | |
753 | { | |
754 | for (i = 0; i < format_sup->num_values; i ++) | |
755 | if (strcasecmp(content_type, format_sup->values[i].string.text) == 0) | |
756 | break; | |
757 | ||
758 | if (i < format_sup->num_values) | |
759 | num_options = cupsAddOption("document-format", content_type, | |
760 | num_options, &options); | |
761 | } | |
762 | ||
763 | if (copies_sup) | |
764 | { | |
765 | /* | |
766 | * Only send options if the destination printer supports the copies | |
767 | * attribute. This is a hack for the HP JetDirect implementation of | |
768 | * IPP, which does not accept extension attributes and incorrectly | |
769 | * reports a client-error-bad-request error instead of the | |
770 | * successful-ok-unsupported-attributes status. In short, at least | |
771 | * some HP implementations of IPP are non-compliant. | |
772 | */ | |
773 | ||
774 | cupsEncodeOptions(request, num_options, options); | |
775 | ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", | |
776 | atoi(argv[4])); | |
777 | } | |
778 | ||
779 | cupsFreeOptions(num_options, options); | |
780 | ||
781 | /* | |
782 | * If copies aren't supported, then we are likely dealing with an HP | |
783 | * JetDirect. The HP IPP implementation seems to close the connection | |
784 | * after every request (that is, it does *not* implement HTTP Keep- | |
785 | * Alive, which is REQUIRED by HTTP/1.1... | |
786 | */ | |
787 | ||
788 | if (!copies_sup) | |
789 | httpReconnect(http); | |
790 | ||
791 | /* | |
792 | * Do the request... | |
793 | */ | |
794 | ||
795 | if ((response = cupsDoFileRequest(http, request, resource, filename)) == NULL) | |
796 | ipp_status = cupsLastError(); | |
797 | else | |
798 | ipp_status = response->request.status.status_code; | |
799 | ||
800 | if (ipp_status > IPP_OK_CONFLICT) | |
801 | { | |
802 | job_id = 0; | |
803 | ||
804 | if (ipp_status == IPP_SERVICE_UNAVAILABLE || | |
805 | ipp_status == IPP_PRINTER_BUSY) | |
806 | { | |
807 | fputs("INFO: Printer is busy; retrying print job...\n", stderr); | |
808 | sleep(10); | |
809 | } | |
810 | else | |
811 | fprintf(stderr, "ERROR: Print file was not accepted (%s)!\n", | |
812 | ippErrorString(ipp_status)); | |
813 | } | |
814 | else if ((job_id_attr = ippFindAttribute(response, "job-id", | |
815 | IPP_TAG_INTEGER)) == NULL) | |
816 | { | |
817 | fputs("NOTICE: Print file accepted - job ID unknown.\n", stderr); | |
818 | job_id = 0; | |
819 | } | |
820 | else | |
821 | { | |
822 | job_id = job_id_attr->values[0].integer; | |
823 | fprintf(stderr, "NOTICE: Print file accepted - job ID %d.\n", job_id); | |
824 | } | |
825 | ||
826 | if (response) | |
827 | ippDelete(response); | |
828 | ||
829 | if (ipp_status <= IPP_OK_CONFLICT && argc > 6) | |
830 | { | |
831 | fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1); | |
832 | copies --; | |
833 | } | |
834 | else if (ipp_status == IPP_SERVICE_UNAVAILABLE || | |
835 | ipp_status == IPP_PRINTER_BUSY) | |
836 | break; | |
837 | else | |
838 | copies --; | |
839 | ||
840 | /* | |
841 | * Wait for the job to complete... | |
842 | */ | |
843 | ||
844 | if (!job_id || !waitjob) | |
845 | continue; | |
846 | ||
847 | fputs("INFO: Waiting for job to complete...\n", stderr); | |
848 | ||
849 | for (;;) | |
850 | { | |
851 | /* | |
852 | * Build an IPP_GET_JOB_ATTRIBUTES request... | |
853 | */ | |
854 | ||
fa73b229 | 855 | request = ippNewRequest(IPP_GET_JOB_ATTRIBUTES); |
856 | request->request.op.version[1] = version; | |
ef416fc2 | 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_state = ippFindAttribute(response, "job-state", | |
913 | IPP_TAG_ENUM)) != NULL) | |
914 | { | |
915 | /* | |
916 | * Stop polling if the job is finished or pending-held... | |
917 | */ | |
918 | ||
919 | if (job_state->values[0].integer > IPP_JOB_PROCESSING || | |
920 | job_state->values[0].integer == IPP_JOB_HELD) | |
921 | { | |
fa73b229 | 922 | if ((job_sheets = ippFindAttribute(response, |
923 | "job-media-sheets-completed", | |
924 | IPP_TAG_INTEGER)) != NULL) | |
ef416fc2 | 925 | fprintf(stderr, "PAGE: total %d\n", job_sheets->values[0].integer); |
926 | ||
927 | ippDelete(response); | |
928 | break; | |
929 | } | |
930 | } | |
931 | } | |
932 | ||
933 | if (response) | |
934 | ippDelete(response); | |
935 | ||
936 | /* | |
937 | * Check the printer state and report it if necessary... | |
938 | */ | |
939 | ||
fa73b229 | 940 | check_printer_state(http, uri, resource, argv[2], version); |
ef416fc2 | 941 | |
942 | /* | |
943 | * Wait 10 seconds before polling again... | |
944 | */ | |
945 | ||
946 | sleep(10); | |
947 | } | |
948 | } | |
949 | ||
950 | /* | |
951 | * Check the printer state and report it if necessary... | |
952 | */ | |
953 | ||
954 | /* if (!copies_sup) | |
955 | httpReconnect(http);*/ | |
956 | ||
fa73b229 | 957 | check_printer_state(http, uri, resource, argv[2], version); |
ef416fc2 | 958 | |
959 | /* | |
960 | * Free memory... | |
961 | */ | |
962 | ||
963 | httpClose(http); | |
964 | ||
965 | if (supported) | |
966 | ippDelete(supported); | |
967 | ||
968 | /* | |
969 | * Remove the temporary file(s) if necessary... | |
970 | */ | |
971 | ||
972 | if (tmpfilename[0]) | |
973 | unlink(tmpfilename); | |
974 | ||
975 | #ifdef __APPLE__ | |
976 | if (pstmpname[0]) | |
977 | unlink(pstmpname); | |
978 | #endif /* __APPLE__ */ | |
979 | ||
980 | /* | |
981 | * Return the queue status... | |
982 | */ | |
983 | ||
984 | return (ipp_status > IPP_OK_CONFLICT ? CUPS_BACKEND_FAILED : CUPS_BACKEND_OK); | |
985 | } | |
986 | ||
987 | ||
988 | /* | |
989 | * 'check_printer_state()' - Check the printer state... | |
990 | */ | |
991 | ||
992 | void | |
fa73b229 | 993 | check_printer_state( |
994 | http_t *http, /* I - HTTP connection */ | |
995 | const char *uri, /* I - Printer URI */ | |
996 | const char *resource, /* I - Resource path */ | |
997 | const char *user, /* I - Username, if any */ | |
998 | int version) /* I - IPP version */ | |
ef416fc2 | 999 | { |
1000 | ipp_t *request, /* IPP request */ | |
1001 | *response; /* IPP response */ | |
1002 | ||
1003 | ||
1004 | /* | |
1005 | * Check on the printer state... | |
1006 | */ | |
1007 | ||
fa73b229 | 1008 | request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES); |
1009 | request->request.op.version[1] = version; | |
ef416fc2 | 1010 | |
1011 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
1012 | NULL, uri); | |
1013 | ||
1014 | if (user && user[0]) | |
1015 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, | |
1016 | "requesting-user-name", NULL, user); | |
1017 | ||
1018 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, | |
1019 | "requested-attributes", NULL, "printer-state-reasons"); | |
1020 | ||
1021 | /* | |
1022 | * Do the request... | |
1023 | */ | |
1024 | ||
1025 | if ((response = cupsDoRequest(http, request, resource)) != NULL) | |
1026 | { | |
1027 | report_printer_state(response); | |
1028 | ippDelete(response); | |
1029 | } | |
1030 | } | |
1031 | ||
1032 | ||
1033 | /* | |
1034 | * 'password_cb()' - Disable the password prompt for cupsDoFileRequest(). | |
1035 | */ | |
1036 | ||
fa73b229 | 1037 | const char * /* O - Password */ |
1038 | password_cb(const char *prompt) /* I - Prompt (not used) */ | |
ef416fc2 | 1039 | { |
1040 | (void)prompt; | |
1041 | ||
1042 | if (password) | |
1043 | return (password); | |
1044 | else | |
1045 | { | |
1046 | /* | |
1047 | * If there is no password set in the device URI, return the | |
1048 | * "authentication required" exit code... | |
1049 | */ | |
1050 | ||
1051 | if (tmpfilename[0]) | |
1052 | unlink(tmpfilename); | |
1053 | ||
1054 | #ifdef __APPLE__ | |
1055 | if (pstmpname[0]) | |
1056 | unlink(pstmpname); | |
1057 | #endif /* __APPLE__ */ | |
1058 | ||
1059 | exit(CUPS_BACKEND_AUTH_REQUIRED); | |
1060 | } | |
1061 | } | |
1062 | ||
1063 | ||
1064 | /* | |
1065 | * 'report_printer_state()' - Report the printer state. | |
1066 | */ | |
1067 | ||
1068 | int /* O - Number of reasons shown */ | |
1069 | report_printer_state(ipp_t *ipp) /* I - IPP response */ | |
1070 | { | |
1071 | int i; /* Looping var */ | |
1072 | int count; /* Count of reasons shown... */ | |
1073 | ipp_attribute_t *reasons; /* printer-state-reasons */ | |
1074 | const char *reason; /* Current reason */ | |
1075 | const char *message; /* Message to show */ | |
1076 | char unknown[1024]; /* Unknown message string */ | |
1077 | const char *prefix; /* Prefix for STATE: line */ | |
1078 | char state[1024]; /* State string */ | |
1079 | ||
1080 | ||
1081 | if ((reasons = ippFindAttribute(ipp, "printer-state-reasons", | |
1082 | IPP_TAG_KEYWORD)) == NULL) | |
1083 | return (0); | |
1084 | ||
1085 | state[0] = '\0'; | |
1086 | prefix = "STATE: "; | |
1087 | ||
1088 | for (i = 0, count = 0; i < reasons->num_values; i ++) | |
1089 | { | |
1090 | reason = reasons->values[i].string.text; | |
1091 | ||
1092 | strlcat(state, prefix, sizeof(state)); | |
1093 | strlcat(state, reason, sizeof(state)); | |
1094 | ||
1095 | prefix = ","; | |
1096 | message = NULL; | |
1097 | ||
1098 | if (!strncmp(reason, "media-needed", 12)) | |
1099 | message = "Media tray needs to be filled."; | |
1100 | else if (!strncmp(reason, "media-jam", 9)) | |
1101 | message = "Media jam!"; | |
1102 | else if (!strncmp(reason, "moving-to-paused", 16) || | |
1103 | !strncmp(reason, "paused", 6) || | |
1104 | !strncmp(reason, "shutdown", 8)) | |
1105 | message = "Printer off-line."; | |
1106 | else if (!strncmp(reason, "toner-low", 9)) | |
1107 | message = "Toner low."; | |
1108 | else if (!strncmp(reason, "toner-empty", 11)) | |
1109 | message = "Out of toner!"; | |
1110 | else if (!strncmp(reason, "cover-open", 10)) | |
1111 | message = "Cover open."; | |
1112 | else if (!strncmp(reason, "interlock-open", 14)) | |
1113 | message = "Interlock open."; | |
1114 | else if (!strncmp(reason, "door-open", 9)) | |
1115 | message = "Door open."; | |
1116 | else if (!strncmp(reason, "input-tray-missing", 18)) | |
1117 | message = "Media tray missing!"; | |
1118 | else if (!strncmp(reason, "media-low", 9)) | |
1119 | message = "Media tray almost empty."; | |
1120 | else if (!strncmp(reason, "media-empty", 11)) | |
1121 | message = "Media tray empty!"; | |
1122 | else if (!strncmp(reason, "output-tray-missing", 19)) | |
1123 | message = "Output tray missing!"; | |
1124 | else if (!strncmp(reason, "output-area-almost-full", 23)) | |
1125 | message = "Output bin almost full."; | |
1126 | else if (!strncmp(reason, "output-area-full", 16)) | |
1127 | message = "Output bin full!"; | |
1128 | else if (!strncmp(reason, "marker-supply-low", 17)) | |
1129 | message = "Ink/toner almost empty."; | |
1130 | else if (!strncmp(reason, "marker-supply-empty", 19)) | |
1131 | message = "Ink/toner empty!"; | |
1132 | else if (!strncmp(reason, "marker-waste-almost-full", 24)) | |
1133 | message = "Ink/toner waste bin almost full."; | |
1134 | else if (!strncmp(reason, "marker-waste-full", 17)) | |
1135 | message = "Ink/toner waste bin full!"; | |
1136 | else if (!strncmp(reason, "fuser-over-temp", 15)) | |
1137 | message = "Fuser temperature high!"; | |
1138 | else if (!strncmp(reason, "fuser-under-temp", 16)) | |
1139 | message = "Fuser temperature low!"; | |
1140 | else if (!strncmp(reason, "opc-near-eol", 12)) | |
1141 | message = "OPC almost at end-of-life."; | |
1142 | else if (!strncmp(reason, "opc-life-over", 13)) | |
1143 | message = "OPC at end-of-life!"; | |
1144 | else if (!strncmp(reason, "developer-low", 13)) | |
1145 | message = "Developer almost empty."; | |
1146 | else if (!strncmp(reason, "developer-empty", 15)) | |
1147 | message = "Developer empty!"; | |
1148 | else if (strstr(reason, "error") != NULL) | |
1149 | { | |
1150 | message = unknown; | |
1151 | ||
1152 | snprintf(unknown, sizeof(unknown), "Unknown printer error (%s)!", | |
1153 | reason); | |
1154 | } | |
1155 | ||
1156 | if (message) | |
1157 | { | |
1158 | count ++; | |
1159 | if (strstr(reasons->values[i].string.text, "error")) | |
1160 | fprintf(stderr, "ERROR: %s\n", message); | |
1161 | else if (strstr(reasons->values[i].string.text, "warning")) | |
1162 | fprintf(stderr, "WARNING: %s\n", message); | |
1163 | else | |
1164 | fprintf(stderr, "INFO: %s\n", message); | |
1165 | } | |
1166 | } | |
1167 | ||
1168 | fprintf(stderr, "%s\n", state); | |
1169 | ||
1170 | return (count); | |
1171 | } | |
1172 | ||
1173 | ||
1174 | #ifdef __APPLE__ | |
1175 | /* | |
1176 | * 'run_pictwps_filter()' - Convert PICT files to PostScript when printing | |
1177 | * remotely. | |
1178 | * | |
1179 | * This step is required because the PICT format is not documented and | |
1180 | * subject to change, so developing a filter for other OS's is infeasible. | |
1181 | * Also, fonts required by the PICT file need to be embedded on the | |
1182 | * client side (which has the fonts), so we run the filter to get a | |
1183 | * PostScript file for printing... | |
1184 | */ | |
1185 | ||
fa73b229 | 1186 | int /* O - Exit status of filter */ |
1187 | run_pictwps_filter(char **argv, /* I - Command-line arguments */ | |
1188 | const char *filename)/* I - Filename */ | |
ef416fc2 | 1189 | { |
fa73b229 | 1190 | struct stat fileinfo; /* Print file information */ |
1191 | const char *ppdfile; /* PPD file for destination printer */ | |
1192 | int pid; /* Child process ID */ | |
1193 | int fd; /* Temporary file descriptor */ | |
1194 | int status; /* Exit status of filter */ | |
1195 | const char *printer; /* PRINTER env var */ | |
1196 | static char ppdenv[1024]; /* PPD environment variable */ | |
ef416fc2 | 1197 | |
1198 | ||
1199 | /* | |
1200 | * First get the PPD file for the printer... | |
1201 | */ | |
1202 | ||
1203 | printer = getenv("PRINTER"); | |
1204 | if (!printer) | |
1205 | { | |
1206 | fputs("ERROR: PRINTER environment variable not defined!\n", stderr); | |
1207 | return (-1); | |
1208 | } | |
1209 | ||
1210 | if ((ppdfile = cupsGetPPD(printer)) == NULL) | |
1211 | { | |
1212 | fprintf(stderr, "ERROR: Unable to get PPD file for printer \"%s\" - %s.\n", | |
1213 | printer, ippErrorString(cupsLastError())); | |
1214 | /*return (-1);*/ | |
1215 | } | |
1216 | else | |
1217 | { | |
1218 | snprintf(ppdenv, sizeof(ppdenv), "PPD=%s", ppdfile); | |
1219 | putenv(ppdenv); | |
1220 | } | |
1221 | ||
1222 | /* | |
1223 | * Then create a temporary file for printing... | |
1224 | */ | |
1225 | ||
1226 | if ((fd = cupsTempFd(pstmpname, sizeof(pstmpname))) < 0) | |
1227 | { | |
1228 | fprintf(stderr, "ERROR: Unable to create temporary file - %s.\n", | |
1229 | strerror(errno)); | |
1230 | if (ppdfile) | |
1231 | unlink(ppdfile); | |
1232 | return (-1); | |
1233 | } | |
1234 | ||
1235 | /* | |
1236 | * Get the owner of the spool file - it is owned by the user we want to run | |
1237 | * as... | |
1238 | */ | |
1239 | ||
1240 | if (argv[6]) | |
1241 | stat(argv[6], &fileinfo); | |
1242 | else | |
1243 | { | |
1244 | /* | |
1245 | * Use the OSX defaults, as an up-stream filter created the PICT | |
1246 | * file... | |
1247 | */ | |
1248 | ||
1249 | fileinfo.st_uid = 1; | |
1250 | fileinfo.st_gid = 80; | |
1251 | } | |
1252 | ||
1253 | if (ppdfile) | |
1254 | chown(ppdfile, fileinfo.st_uid, fileinfo.st_gid); | |
1255 | ||
1256 | fchown(fd, fileinfo.st_uid, fileinfo.st_gid); | |
1257 | ||
1258 | /* | |
1259 | * Finally, run the filter to convert the file... | |
1260 | */ | |
1261 | ||
1262 | if ((pid = fork()) == 0) | |
1263 | { | |
1264 | /* | |
1265 | * Child process for pictwpstops... Redirect output of pictwpstops to a | |
1266 | * file... | |
1267 | */ | |
1268 | ||
1269 | close(1); | |
1270 | dup(fd); | |
1271 | close(fd); | |
1272 | ||
1273 | if (!getuid()) | |
1274 | { | |
1275 | /* | |
1276 | * Change to an unpriviledged user... | |
1277 | */ | |
1278 | ||
1279 | setgid(fileinfo.st_gid); | |
1280 | setuid(fileinfo.st_uid); | |
1281 | } | |
1282 | ||
1283 | execlp("pictwpstops", printer, argv[1], argv[2], argv[3], argv[4], argv[5], | |
1284 | filename, NULL); | |
1285 | perror("ERROR: Unable to exec pictwpstops"); | |
1286 | return (errno); | |
1287 | } | |
1288 | ||
1289 | close(fd); | |
1290 | ||
1291 | if (pid < 0) | |
1292 | { | |
1293 | /* | |
1294 | * Error! | |
1295 | */ | |
1296 | ||
1297 | perror("ERROR: Unable to fork pictwpstops"); | |
1298 | unlink(filename); | |
1299 | if (ppdfile) | |
1300 | unlink(ppdfile); | |
1301 | return (-1); | |
1302 | } | |
1303 | ||
1304 | /* | |
1305 | * Now wait for the filter to complete... | |
1306 | */ | |
1307 | ||
1308 | if (wait(&status) < 0) | |
1309 | { | |
1310 | perror("ERROR: Unable to wait for pictwpstops"); | |
1311 | close(fd); | |
1312 | unlink(filename); | |
1313 | if (ppdfile) | |
1314 | unlink(ppdfile); | |
1315 | return (-1); | |
1316 | } | |
1317 | ||
1318 | if (ppdfile) | |
1319 | unlink(ppdfile); | |
1320 | ||
1321 | close(fd); | |
1322 | ||
1323 | if (status) | |
1324 | { | |
1325 | if (status >= 256) | |
1326 | fprintf(stderr, "ERROR: pictwpstops exited with status %d!\n", | |
1327 | status / 256); | |
1328 | else | |
1329 | fprintf(stderr, "ERROR: pictwpstops exited on signal %d!\n", | |
1330 | status); | |
1331 | ||
1332 | unlink(filename); | |
1333 | return (status); | |
1334 | } | |
1335 | ||
1336 | /* | |
1337 | * Return with no errors.. | |
1338 | */ | |
1339 | ||
1340 | return (0); | |
1341 | } | |
1342 | #endif /* __APPLE__ */ | |
1343 | ||
1344 | ||
1345 | /* | |
1346 | * 'sigterm_handler()' - Handle 'terminate' signals that stop the backend. | |
1347 | */ | |
1348 | ||
1349 | static void | |
1350 | sigterm_handler(int sig) /* I - Signal */ | |
1351 | { | |
1352 | (void)sig; /* remove compiler warnings... */ | |
1353 | ||
1354 | /* | |
1355 | * Remove the temporary file(s) if necessary... | |
1356 | */ | |
1357 | ||
1358 | if (tmpfilename[0]) | |
1359 | unlink(tmpfilename); | |
1360 | ||
1361 | #ifdef __APPLE__ | |
1362 | if (pstmpname[0]) | |
1363 | unlink(pstmpname); | |
1364 | #endif /* __APPLE__ */ | |
1365 | ||
1366 | exit(1); | |
1367 | } | |
1368 | ||
1369 | ||
1370 | /* | |
a4d04587 | 1371 | * End of "$Id: ipp.c 5023 2006-01-29 14:39:44Z mike $". |
ef416fc2 | 1372 | */ |