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1 | /* | |
2 | * "$Id: ipp.c,v 1.38.2.21 2003/01/29 15:38:43 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 | * password_cb() - Disable the password prompt for | |
30 | * cupsDoFileRequest(). | |
31 | * report_printer_state() - Report the printer state. | |
32 | */ | |
33 | ||
34 | /* | |
35 | * Include necessary headers. | |
36 | */ | |
37 | ||
38 | #include <stdio.h> | |
39 | #include <stdlib.h> | |
40 | #include <errno.h> | |
41 | #include <sys/types.h> | |
42 | #include <sys/stat.h> | |
43 | #include <cups/cups.h> | |
44 | #include <cups/language.h> | |
45 | #include <cups/string.h> | |
46 | #include <signal.h> | |
47 | ||
48 | ||
49 | /* | |
50 | * Some OS's don't have hstrerror(), most notably Solaris... | |
51 | */ | |
52 | ||
53 | #ifndef HAVE_HSTRERROR | |
54 | # define hstrerror cups_hstrerror | |
55 | ||
56 | const char * /* O - Error string */ | |
57 | cups_hstrerror(int error) /* I - Error number */ | |
58 | { | |
59 | static const char * const errors[] = | |
60 | { | |
61 | "OK", | |
62 | "Host not found.", | |
63 | "Try again.", | |
64 | "Unrecoverable lookup error.", | |
65 | "No data associated with name." | |
66 | }; | |
67 | ||
68 | ||
69 | if (error < 0 || error > 4) | |
70 | return ("Unknown hostname lookup error."); | |
71 | else | |
72 | return (errors[error]); | |
73 | } | |
74 | #endif /* !HAVE_HSTRERROR */ | |
75 | ||
76 | ||
77 | /* | |
78 | * Local functions... | |
79 | */ | |
80 | ||
81 | const char *password_cb(const char *); | |
82 | int report_printer_state(ipp_t *ipp); | |
83 | ||
84 | #ifdef __APPLE__ | |
85 | int run_pictwps_filter(char **argv, char *filename, int length); | |
86 | #endif /* __APPLE__ */ | |
87 | ||
88 | ||
89 | /* | |
90 | * Local globals... | |
91 | */ | |
92 | ||
93 | char *password = NULL; | |
94 | ||
95 | ||
96 | /* | |
97 | * 'main()' - Send a file to the printer or server. | |
98 | * | |
99 | * Usage: | |
100 | * | |
101 | * printer-uri job-id user title copies options [file] | |
102 | */ | |
103 | ||
104 | int /* O - Exit status */ | |
105 | main(int argc, /* I - Number of command-line arguments (6 or 7) */ | |
106 | char *argv[]) /* I - Command-line arguments */ | |
107 | { | |
108 | int i; /* Looping var */ | |
109 | int num_options; /* Number of printer options */ | |
110 | cups_option_t *options; /* Printer options */ | |
111 | char method[255], /* Method in URI */ | |
112 | hostname[1024], /* Hostname */ | |
113 | username[255], /* Username info */ | |
114 | resource[1024], /* Resource info (printer name) */ | |
115 | filename[1024]; /* File to print */ | |
116 | int port; /* Port number (not used) */ | |
117 | char uri[HTTP_MAX_URI];/* Updated URI without user/pass */ | |
118 | ipp_status_t ipp_status; /* Status of IPP request */ | |
119 | http_t *http; /* HTTP connection */ | |
120 | ipp_t *request, /* IPP request */ | |
121 | *response, /* IPP response */ | |
122 | *supported; /* get-printer-attributes response */ | |
123 | ipp_attribute_t *job_id_attr; /* job-id attribute */ | |
124 | int job_id; /* job-id value */ | |
125 | ipp_attribute_t *job_state; /* job-state attribute */ | |
126 | ipp_attribute_t *copies_sup; /* copies-supported attribute */ | |
127 | ipp_attribute_t *charset_sup; /* charset-supported attribute */ | |
128 | ipp_attribute_t *format_sup; /* document-format-supported attribute */ | |
129 | ipp_attribute_t *printer_state; | |
130 | /* printer-state attribute */ | |
131 | ipp_attribute_t *printer_accepting; | |
132 | /* printer-is-accepting-jobs attribute */ | |
133 | const char *charset; /* Character set to use */ | |
134 | cups_lang_t *language; /* Default language */ | |
135 | int copies; /* Number of copies remaining */ | |
136 | const char *content_type; /* CONTENT_TYPE environment variable */ | |
137 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) | |
138 | struct sigaction action; /* Actions for POSIX signals */ | |
139 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ | |
140 | int version; /* IPP version */ | |
141 | int reasons; /* Number of printer-state-reasons shown */ | |
142 | ||
143 | ||
144 | /* | |
145 | * Make sure status messages are not buffered... | |
146 | */ | |
147 | ||
148 | setbuf(stderr, NULL); | |
149 | ||
150 | /* | |
151 | * Ignore SIGPIPE signals... | |
152 | */ | |
153 | ||
154 | #ifdef HAVE_SIGSET | |
155 | sigset(SIGPIPE, SIG_IGN); | |
156 | #elif defined(HAVE_SIGACTION) | |
157 | memset(&action, 0, sizeof(action)); | |
158 | action.sa_handler = SIG_IGN; | |
159 | sigaction(SIGPIPE, &action, NULL); | |
160 | #else | |
161 | signal(SIGPIPE, SIG_IGN); | |
162 | #endif /* HAVE_SIGSET */ | |
163 | ||
164 | /* | |
165 | * Check command-line... | |
166 | */ | |
167 | ||
168 | if (argc == 1) | |
169 | { | |
170 | char *s; | |
171 | ||
172 | if ((s = strrchr(argv[0], '/')) != NULL) | |
173 | s ++; | |
174 | else | |
175 | s = argv[0]; | |
176 | ||
177 | printf("network %s \"Unknown\" \"Internet Printing Protocol (%s)\"\n", s, s); | |
178 | return (0); | |
179 | } | |
180 | else if (argc < 6 || argc > 7) | |
181 | { | |
182 | fprintf(stderr, "Usage: %s job-id user title copies options [file]\n", | |
183 | argv[0]); | |
184 | return (1); | |
185 | } | |
186 | ||
187 | /* | |
188 | * Get the content type... | |
189 | */ | |
190 | ||
191 | if (argc > 6) | |
192 | content_type = getenv("CONTENT_TYPE"); | |
193 | else | |
194 | content_type = "application/vnd.cups-raw"; | |
195 | ||
196 | if (content_type == NULL) | |
197 | content_type = "application/octet-stream"; | |
198 | ||
199 | /* | |
200 | * If we have 7 arguments, print the file named on the command-line. | |
201 | * Otherwise, copy stdin to a temporary file and print the temporary | |
202 | * file. | |
203 | */ | |
204 | ||
205 | if (argc == 6) | |
206 | { | |
207 | /* | |
208 | * Copy stdin to a temporary file... | |
209 | */ | |
210 | ||
211 | int fd; /* Temporary file */ | |
212 | char buffer[8192]; /* Buffer for copying */ | |
213 | int bytes; /* Number of bytes read */ | |
214 | ||
215 | ||
216 | if ((fd = cupsTempFd(filename, sizeof(filename))) < 0) | |
217 | { | |
218 | perror("ERROR: unable to create temporary file"); | |
219 | return (1); | |
220 | } | |
221 | ||
222 | while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0) | |
223 | if (write(fd, buffer, bytes) < bytes) | |
224 | { | |
225 | perror("ERROR: unable to write to temporary file"); | |
226 | close(fd); | |
227 | unlink(filename); | |
228 | return (1); | |
229 | } | |
230 | ||
231 | close(fd); | |
232 | } | |
233 | #ifdef __APPLE__ | |
234 | else if (strcasecmp(content_type, "application/pictwps") == 0) | |
235 | { | |
236 | /* | |
237 | * Convert to PostScript... | |
238 | */ | |
239 | ||
240 | if (run_pictwps_filter(argv, filename, sizeof(filename))) | |
241 | return (1); | |
242 | ||
243 | /* | |
244 | * Change the MIME type to application/vnd.cups-postscript... | |
245 | */ | |
246 | ||
247 | content_type = "application/postscript"; | |
248 | } | |
249 | #endif /* __APPLE__ */ | |
250 | else | |
251 | strlcpy(filename, argv[6], sizeof(filename)); | |
252 | ||
253 | /* | |
254 | * Extract the hostname and printer name from the URI... | |
255 | */ | |
256 | ||
257 | httpSeparate(argv[0], method, username, hostname, &port, resource); | |
258 | ||
259 | /* | |
260 | * Set the authentication info, if any... | |
261 | */ | |
262 | ||
263 | cupsSetPasswordCB(password_cb); | |
264 | ||
265 | if (username[0]) | |
266 | { | |
267 | if ((password = strchr(username, ':')) != NULL) | |
268 | *password++ = '\0'; | |
269 | ||
270 | cupsSetUser(username); | |
271 | } | |
272 | ||
273 | /* | |
274 | * Try connecting to the remote server... | |
275 | */ | |
276 | ||
277 | do | |
278 | { | |
279 | fprintf(stderr, "INFO: Connecting to %s on port %d...\n", hostname, port); | |
280 | ||
281 | if ((http = httpConnectEncrypt(hostname, port, cupsEncryption())) == NULL) | |
282 | { | |
283 | if (getenv("CLASS") != NULL) | |
284 | { | |
285 | /* | |
286 | * If the CLASS environment variable is set, the job was submitted | |
287 | * to a class and not to a specific queue. In this case, we want | |
288 | * to abort immediately so that the job can be requeued on the next | |
289 | * available printer in the class. | |
290 | */ | |
291 | ||
292 | fprintf(stderr, "INFO: Unable to queue job on %s, queuing on next printer in class...\n", | |
293 | hostname); | |
294 | ||
295 | if (argc == 6 || strcmp(filename, argv[6])) | |
296 | unlink(filename); | |
297 | ||
298 | /* | |
299 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
300 | */ | |
301 | ||
302 | sleep(5); | |
303 | ||
304 | return (1); | |
305 | } | |
306 | ||
307 | if (errno == ECONNREFUSED || errno == EHOSTDOWN || | |
308 | errno == EHOSTUNREACH) | |
309 | { | |
310 | fprintf(stderr, "INFO: Network host \'%s\' is busy; will retry in 30 seconds...", | |
311 | hostname); | |
312 | sleep(30); | |
313 | } | |
314 | else if (h_errno) | |
315 | { | |
316 | fprintf(stderr, "INFO: Unable to lookup host \'%s\' - %s\n", | |
317 | hostname, hstrerror(h_errno)); | |
318 | sleep(30); | |
319 | } | |
320 | else | |
321 | { | |
322 | perror("ERROR: Unable to connect to IPP host"); | |
323 | sleep(30); | |
324 | } | |
325 | } | |
326 | } | |
327 | while (http == NULL); | |
328 | ||
329 | fprintf(stderr, "INFO: Connected to %s...\n", hostname); | |
330 | ||
331 | /* | |
332 | * Build a URI for the printer and fill the standard IPP attributes for | |
333 | * an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it | |
334 | * might contain username:password information... | |
335 | */ | |
336 | ||
337 | snprintf(uri, sizeof(uri), "%s://%s:%d%s", method, hostname, port, resource); | |
338 | ||
339 | /* | |
340 | * First validate the destination and see if the device supports multiple | |
341 | * copies. We have to do this because some IPP servers (e.g. HP JetDirect) | |
342 | * don't support the copies attribute... | |
343 | */ | |
344 | ||
345 | language = cupsLangDefault(); | |
346 | charset_sup = NULL; | |
347 | copies_sup = NULL; | |
348 | format_sup = NULL; | |
349 | version = 1; | |
350 | supported = NULL; | |
351 | ||
352 | do | |
353 | { | |
354 | /* | |
355 | * Build the IPP request... | |
356 | */ | |
357 | ||
358 | request = ippNew(); | |
359 | request->request.op.version[1] = version; | |
360 | request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES; | |
361 | request->request.op.request_id = 1; | |
362 | ||
363 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, | |
364 | "attributes-charset", NULL, "utf-8"); | |
365 | ||
366 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, | |
367 | "attributes-natural-language", NULL, | |
368 | language != NULL ? language->language : "en"); | |
369 | ||
370 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
371 | NULL, uri); | |
372 | ||
373 | /* | |
374 | * Do the request... | |
375 | */ | |
376 | ||
377 | fputs("DEBUG: Getting supported attributes...\n", stderr); | |
378 | ||
379 | if ((supported = cupsDoRequest(http, request, resource)) == NULL) | |
380 | ipp_status = cupsLastError(); | |
381 | else | |
382 | ipp_status = supported->request.status.status_code; | |
383 | ||
384 | if (ipp_status > IPP_OK_CONFLICT) | |
385 | { | |
386 | if (ipp_status == IPP_PRINTER_BUSY || | |
387 | ipp_status == IPP_SERVICE_UNAVAILABLE) | |
388 | { | |
389 | fputs("INFO: Printer busy; will retry in 10 seconds...\n", stderr); | |
390 | report_printer_state(supported); | |
391 | sleep(10); | |
392 | } | |
393 | else if ((ipp_status == IPP_BAD_REQUEST || | |
394 | ipp_status == IPP_VERSION_NOT_SUPPORTED) && version == 1) | |
395 | { | |
396 | /* | |
397 | * Switch to IPP/1.0... | |
398 | */ | |
399 | ||
400 | fputs("INFO: Printer does not support IPP/1.1, trying IPP/1.0...\n", stderr); | |
401 | version = 0; | |
402 | httpReconnect(http); | |
403 | } | |
404 | else | |
405 | fprintf(stderr, "ERROR: Unable to get printer status (%s)!\n", | |
406 | ippErrorString(ipp_status)); | |
407 | ||
408 | if (supported) | |
409 | ippDelete(supported); | |
410 | ||
411 | continue; | |
412 | } | |
413 | else if ((copies_sup = ippFindAttribute(supported, "copies-supported", | |
414 | IPP_TAG_RANGE)) != NULL) | |
415 | { | |
416 | /* | |
417 | * Has the "copies-supported" attribute - does it have an upper | |
418 | * bound > 1? | |
419 | */ | |
420 | ||
421 | if (copies_sup->values[0].range.upper <= 1) | |
422 | copies_sup = NULL; /* No */ | |
423 | } | |
424 | ||
425 | charset_sup = ippFindAttribute(supported, "charset-supported", | |
426 | IPP_TAG_CHARSET); | |
427 | format_sup = ippFindAttribute(supported, "document-format-supported", | |
428 | IPP_TAG_MIMETYPE); | |
429 | ||
430 | if (format_sup) | |
431 | { | |
432 | fprintf(stderr, "DEBUG: document-format-supported (%d values)\n", | |
433 | format_sup->num_values); | |
434 | for (i = 0; i < format_sup->num_values; i ++) | |
435 | fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i, | |
436 | format_sup->values[i].string.text); | |
437 | } | |
438 | ||
439 | report_printer_state(supported); | |
440 | } | |
441 | while (ipp_status > IPP_OK_CONFLICT); | |
442 | ||
443 | /* | |
444 | * See if the printer is accepting jobs and is not stopped; if either | |
445 | * condition is true and we are printing to a class, requeue the job... | |
446 | */ | |
447 | ||
448 | if (getenv("CLASS") != NULL) | |
449 | { | |
450 | printer_state = ippFindAttribute(supported, "printer-state", | |
451 | IPP_TAG_ENUM); | |
452 | printer_accepting = ippFindAttribute(supported, "printer-is-accepting-jobs", | |
453 | IPP_TAG_BOOLEAN); | |
454 | ||
455 | if (printer_state == NULL || | |
456 | printer_state->values[0].integer > IPP_PRINTER_PROCESSING || | |
457 | printer_accepting == NULL || | |
458 | !printer_accepting->values[0].boolean) | |
459 | { | |
460 | /* | |
461 | * If the CLASS environment variable is set, the job was submitted | |
462 | * to a class and not to a specific queue. In this case, we want | |
463 | * to abort immediately so that the job can be requeued on the next | |
464 | * available printer in the class. | |
465 | */ | |
466 | ||
467 | fprintf(stderr, "INFO: Unable to queue job on %s, queuing on next printer in class...\n", | |
468 | hostname); | |
469 | ||
470 | ippDelete(supported); | |
471 | httpClose(http); | |
472 | ||
473 | if (argc == 6 || strcmp(filename, argv[6])) | |
474 | unlink(filename); | |
475 | ||
476 | /* | |
477 | * Sleep 5 seconds to keep the job from requeuing too rapidly... | |
478 | */ | |
479 | ||
480 | sleep(5); | |
481 | ||
482 | return (1); | |
483 | } | |
484 | } | |
485 | ||
486 | /* | |
487 | * Now that we are "connected" to the port, ignore SIGTERM so that we | |
488 | * can finish out any page data the driver sends (e.g. to eject the | |
489 | * current page... Only ignore SIGTERM if we are printing data from | |
490 | * stdin (otherwise you can't cancel raw jobs...) | |
491 | */ | |
492 | ||
493 | if (argc < 7) | |
494 | { | |
495 | #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ | |
496 | sigset(SIGTERM, SIG_IGN); | |
497 | #elif defined(HAVE_SIGACTION) | |
498 | memset(&action, 0, sizeof(action)); | |
499 | ||
500 | sigemptyset(&action.sa_mask); | |
501 | action.sa_handler = SIG_IGN; | |
502 | sigaction(SIGTERM, &action, NULL); | |
503 | #else | |
504 | signal(SIGTERM, SIG_IGN); | |
505 | #endif /* HAVE_SIGSET */ | |
506 | } | |
507 | ||
508 | /* | |
509 | * See if the printer supports multiple copies... | |
510 | */ | |
511 | ||
512 | if (copies_sup || argc < 7) | |
513 | copies = 1; | |
514 | else | |
515 | copies = atoi(argv[4]); | |
516 | ||
517 | /* | |
518 | * Figure out the character set to use... | |
519 | */ | |
520 | ||
521 | charset = language ? cupsLangEncoding(language) : "us-ascii"; | |
522 | ||
523 | if (charset_sup) | |
524 | { | |
525 | /* | |
526 | * See if IPP server supports the requested character set... | |
527 | */ | |
528 | ||
529 | for (i = 0; i < charset_sup->num_values; i ++) | |
530 | if (strcasecmp(charset, charset_sup->values[i].string.text) == 0) | |
531 | break; | |
532 | ||
533 | /* | |
534 | * If not, choose us-ascii or utf-8... | |
535 | */ | |
536 | ||
537 | if (i >= charset_sup->num_values) | |
538 | { | |
539 | /* | |
540 | * See if us-ascii is supported... | |
541 | */ | |
542 | ||
543 | for (i = 0; i < charset_sup->num_values; i ++) | |
544 | if (strcasecmp("us-ascii", charset_sup->values[i].string.text) == 0) | |
545 | break; | |
546 | ||
547 | if (i < charset_sup->num_values) | |
548 | charset = "us-ascii"; | |
549 | else | |
550 | charset = "utf-8"; | |
551 | } | |
552 | } | |
553 | ||
554 | /* | |
555 | * Then issue the print-job request... | |
556 | */ | |
557 | ||
558 | reasons = 0; | |
559 | ||
560 | while (copies > 0) | |
561 | { | |
562 | /* | |
563 | * Build the IPP request... | |
564 | */ | |
565 | ||
566 | request = ippNew(); | |
567 | request->request.op.version[1] = version; | |
568 | request->request.op.operation_id = IPP_PRINT_JOB; | |
569 | request->request.op.request_id = 1; | |
570 | ||
571 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, | |
572 | "attributes-charset", NULL, charset); | |
573 | ||
574 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, | |
575 | "attributes-natural-language", NULL, | |
576 | language != NULL ? language->language : "en"); | |
577 | ||
578 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
579 | NULL, uri); | |
580 | ||
581 | fprintf(stderr, "DEBUG: printer-uri = \"%s\"\n", uri); | |
582 | ||
583 | if (argv[2][0]) | |
584 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", | |
585 | NULL, argv[2]); | |
586 | ||
587 | fprintf(stderr, "DEBUG: requesting-user-name = \"%s\"\n", argv[2]); | |
588 | ||
589 | if (argv[3][0]) | |
590 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, | |
591 | argv[3]); | |
592 | ||
593 | fprintf(stderr, "DEBUG: job-name = \"%s\"\n", argv[3]); | |
594 | ||
595 | /* | |
596 | * Handle options on the command-line... | |
597 | */ | |
598 | ||
599 | options = NULL; | |
600 | num_options = cupsParseOptions(argv[5], 0, &options); | |
601 | ||
602 | if (content_type != NULL && format_sup != NULL) | |
603 | { | |
604 | for (i = 0; i < format_sup->num_values; i ++) | |
605 | if (strcasecmp(content_type, format_sup->values[i].string.text) == 0) | |
606 | break; | |
607 | ||
608 | if (i < format_sup->num_values) | |
609 | num_options = cupsAddOption("document-format", content_type, | |
610 | num_options, &options); | |
611 | } | |
612 | ||
613 | if (copies_sup) | |
614 | { | |
615 | /* | |
616 | * Only send options if the destination printer supports the copies | |
617 | * attribute. This is a hack for the HP JetDirect implementation of | |
618 | * IPP, which does not accept extension attributes and incorrectly | |
619 | * reports a client-error-bad-request error instead of the | |
620 | * successful-ok-unsupported-attributes status. In short, at least | |
621 | * some HP implementations of IPP are non-compliant. | |
622 | */ | |
623 | ||
624 | cupsEncodeOptions(request, num_options, options); | |
625 | ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", | |
626 | atoi(argv[4])); | |
627 | } | |
628 | ||
629 | cupsFreeOptions(num_options, options); | |
630 | ||
631 | /* | |
632 | * If copies aren't supported, then we are likely dealing with an HP | |
633 | * JetDirect. The HP IPP implementation seems to close the connection | |
634 | * after every request (that is, it does *not* implement HTTP Keep- | |
635 | * Alive, which is REQUIRED by HTTP/1.1... | |
636 | */ | |
637 | ||
638 | if (!copies_sup) | |
639 | httpReconnect(http); | |
640 | ||
641 | /* | |
642 | * Do the request... | |
643 | */ | |
644 | ||
645 | if ((response = cupsDoFileRequest(http, request, resource, filename)) == NULL) | |
646 | ipp_status = cupsLastError(); | |
647 | else | |
648 | ipp_status = response->request.status.status_code; | |
649 | ||
650 | if (ipp_status > IPP_OK_CONFLICT) | |
651 | { | |
652 | job_id = 0; | |
653 | ||
654 | if (ipp_status == IPP_SERVICE_UNAVAILABLE || | |
655 | ipp_status == IPP_PRINTER_BUSY) | |
656 | { | |
657 | fputs("INFO: Printer is busy; retrying print job...\n", stderr); | |
658 | sleep(10); | |
659 | } | |
660 | else | |
661 | fprintf(stderr, "ERROR: Print file was not accepted (%s)!\n", | |
662 | ippErrorString(ipp_status)); | |
663 | } | |
664 | else if ((job_id_attr = ippFindAttribute(response, "job-id", | |
665 | IPP_TAG_INTEGER)) == NULL) | |
666 | { | |
667 | fputs("INFO: Print file accepted - job ID unknown.\n", stderr); | |
668 | job_id = 0; | |
669 | } | |
670 | else | |
671 | { | |
672 | job_id = job_id_attr->values[0].integer; | |
673 | fprintf(stderr, "INFO: Print file accepted - job ID %d.\n", job_id); | |
674 | } | |
675 | ||
676 | if (response) | |
677 | ippDelete(response); | |
678 | ||
679 | if (ipp_status <= IPP_OK_CONFLICT && argc > 6) | |
680 | { | |
681 | fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1); | |
682 | copies --; | |
683 | } | |
684 | else if (ipp_status != IPP_SERVICE_UNAVAILABLE && | |
685 | ipp_status != IPP_PRINTER_BUSY) | |
686 | break; | |
687 | ||
688 | /* | |
689 | * Wait for the job to complete... | |
690 | */ | |
691 | ||
692 | if (!job_id) | |
693 | continue; | |
694 | ||
695 | fputs("INFO: Waiting for job to complete...\n", stderr); | |
696 | ||
697 | for (;;) | |
698 | { | |
699 | /* | |
700 | * Build an IPP_GET_JOB_ATTRIBUTES request... | |
701 | */ | |
702 | ||
703 | request = ippNew(); | |
704 | request->request.op.version[1] = version; | |
705 | request->request.op.operation_id = IPP_GET_JOB_ATTRIBUTES; | |
706 | request->request.op.request_id = 1; | |
707 | ||
708 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, | |
709 | "attributes-charset", NULL, charset); | |
710 | ||
711 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, | |
712 | "attributes-natural-language", NULL, | |
713 | language != NULL ? language->language : "en"); | |
714 | ||
715 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
716 | NULL, uri); | |
717 | ||
718 | ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", | |
719 | job_id); | |
720 | ||
721 | if (argv[2][0]) | |
722 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", | |
723 | NULL, argv[2]); | |
724 | ||
725 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, | |
726 | "requested-attributes", NULL, "job-state"); | |
727 | ||
728 | /* | |
729 | * Do the request... | |
730 | */ | |
731 | ||
732 | if (!copies_sup) | |
733 | httpReconnect(http); | |
734 | ||
735 | if ((response = cupsDoRequest(http, request, resource)) == NULL) | |
736 | ipp_status = cupsLastError(); | |
737 | else | |
738 | ipp_status = response->request.status.status_code; | |
739 | ||
740 | if (ipp_status == IPP_NOT_FOUND) | |
741 | { | |
742 | /* | |
743 | * Job has gone away and/or the server has no job history... | |
744 | */ | |
745 | ||
746 | ippDelete(response); | |
747 | ||
748 | ipp_status = IPP_OK; | |
749 | break; | |
750 | } | |
751 | ||
752 | if (ipp_status > IPP_OK_CONFLICT) | |
753 | { | |
754 | if (ipp_status != IPP_SERVICE_UNAVAILABLE && | |
755 | ipp_status != IPP_PRINTER_BUSY) | |
756 | { | |
757 | if (response) | |
758 | ippDelete(response); | |
759 | ||
760 | fprintf(stderr, "ERROR: Unable to get job %d attributes (%s)!\n", | |
761 | job_id, ippErrorString(ipp_status)); | |
762 | break; | |
763 | } | |
764 | } | |
765 | else if ((job_state = ippFindAttribute(response, "job-state", IPP_TAG_ENUM)) != NULL) | |
766 | { | |
767 | /* | |
768 | * Stop polling if the job is finished or pending-held... | |
769 | */ | |
770 | ||
771 | if (job_state->values[0].integer > IPP_JOB_PROCESSING || | |
772 | job_state->values[0].integer == IPP_JOB_HELD) | |
773 | { | |
774 | ippDelete(response); | |
775 | break; | |
776 | } | |
777 | } | |
778 | ||
779 | if (response) | |
780 | ippDelete(response); | |
781 | ||
782 | /* | |
783 | * Now check on the printer state... | |
784 | */ | |
785 | ||
786 | request = ippNew(); | |
787 | request->request.op.version[1] = version; | |
788 | request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES; | |
789 | request->request.op.request_id = 1; | |
790 | ||
791 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, | |
792 | "attributes-charset", NULL, charset); | |
793 | ||
794 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, | |
795 | "attributes-natural-language", NULL, | |
796 | language != NULL ? language->language : "en"); | |
797 | ||
798 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", | |
799 | NULL, uri); | |
800 | ||
801 | if (argv[2][0]) | |
802 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", | |
803 | NULL, argv[2]); | |
804 | ||
805 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, | |
806 | "requested-attributes", NULL, "printer-state-reasons"); | |
807 | ||
808 | /* | |
809 | * Do the request... | |
810 | */ | |
811 | ||
812 | if (!copies_sup) | |
813 | httpReconnect(http); | |
814 | ||
815 | if ((response = cupsDoRequest(http, request, resource)) != NULL) | |
816 | { | |
817 | reasons = report_printer_state(response); | |
818 | ippDelete(response); | |
819 | } | |
820 | ||
821 | /* | |
822 | * Wait 10 seconds before polling again... | |
823 | */ | |
824 | ||
825 | sleep(10); | |
826 | } | |
827 | } | |
828 | ||
829 | /* | |
830 | * Free memory... | |
831 | */ | |
832 | ||
833 | httpClose(http); | |
834 | ||
835 | if (supported) | |
836 | ippDelete(supported); | |
837 | ||
838 | /* | |
839 | * Close and remove the temporary file if necessary... | |
840 | */ | |
841 | ||
842 | if (argc == 6 || strcmp(filename, argv[6])) | |
843 | unlink(filename); | |
844 | ||
845 | /* | |
846 | * Return the queue status... | |
847 | */ | |
848 | ||
849 | if (ipp_status <= IPP_OK_CONFLICT && reasons == 0) | |
850 | fputs("INFO: Ready to print.\n", stderr); | |
851 | ||
852 | return (ipp_status > IPP_OK_CONFLICT); | |
853 | } | |
854 | ||
855 | ||
856 | /* | |
857 | * 'password_cb()' - Disable the password prompt for cupsDoFileRequest(). | |
858 | */ | |
859 | ||
860 | const char * /* O - Password */ | |
861 | password_cb(const char *prompt) /* I - Prompt (not used) */ | |
862 | { | |
863 | (void)prompt; | |
864 | ||
865 | return (password); | |
866 | } | |
867 | ||
868 | ||
869 | /* | |
870 | * 'report_printer_state()' - Report the printer state. | |
871 | */ | |
872 | ||
873 | int /* O - Number of reasons shown */ | |
874 | report_printer_state(ipp_t *ipp) /* I - IPP response */ | |
875 | { | |
876 | int i; /* Looping var */ | |
877 | int count; /* Count of reasons shown... */ | |
878 | ipp_attribute_t *reasons; /* printer-state-reasons */ | |
879 | const char *message; /* Message to show */ | |
880 | char unknown[1024]; /* Unknown message string */ | |
881 | ||
882 | ||
883 | if ((reasons = ippFindAttribute(ipp, "printer-state-reasons", | |
884 | IPP_TAG_KEYWORD)) == NULL) | |
885 | return (0); | |
886 | ||
887 | for (i = 0, count = 0; i < reasons->num_values; i ++) | |
888 | { | |
889 | message = NULL; | |
890 | ||
891 | if (strncmp(reasons->values[i].string.text, "media-needed", 12) == 0) | |
892 | message = "Media tray needs to be filled."; | |
893 | else if (strncmp(reasons->values[i].string.text, "media-jam", 9) == 0) | |
894 | message = "Media jam!"; | |
895 | else if (strncmp(reasons->values[i].string.text, "moving-to-paused", 16) == 0 || | |
896 | strncmp(reasons->values[i].string.text, "paused", 6) == 0 || | |
897 | strncmp(reasons->values[i].string.text, "shutdown", 8) == 0) | |
898 | message = "Printer off-line."; | |
899 | else if (strncmp(reasons->values[i].string.text, "toner-low", 9) == 0) | |
900 | message = "Toner low."; | |
901 | else if (strncmp(reasons->values[i].string.text, "toner-empty", 11) == 0) | |
902 | message = "Out of toner!"; | |
903 | else if (strncmp(reasons->values[i].string.text, "cover-open", 10) == 0) | |
904 | message = "Cover open."; | |
905 | else if (strncmp(reasons->values[i].string.text, "interlock-open", 14) == 0) | |
906 | message = "Interlock open."; | |
907 | else if (strncmp(reasons->values[i].string.text, "door-open", 9) == 0) | |
908 | message = "Door open."; | |
909 | else if (strncmp(reasons->values[i].string.text, "input-tray-missing", 18) == 0) | |
910 | message = "Media tray missing!"; | |
911 | else if (strncmp(reasons->values[i].string.text, "media-low", 9) == 0) | |
912 | message = "Media tray almost empty."; | |
913 | else if (strncmp(reasons->values[i].string.text, "media-empty", 11) == 0) | |
914 | message = "Media tray empty!"; | |
915 | else if (strncmp(reasons->values[i].string.text, "output-tray-missing", 19) == 0) | |
916 | message = "Output tray missing!"; | |
917 | else if (strncmp(reasons->values[i].string.text, "output-area-almost-full", 23) == 0) | |
918 | message = "Output bin almost full."; | |
919 | else if (strncmp(reasons->values[i].string.text, "output-area-full", 16) == 0) | |
920 | message = "Output bin full!"; | |
921 | else if (strncmp(reasons->values[i].string.text, "marker-supply-low", 17) == 0) | |
922 | message = "Ink/toner almost empty."; | |
923 | else if (strncmp(reasons->values[i].string.text, "marker-supply-empty", 19) == 0) | |
924 | message = "Ink/toner empty!"; | |
925 | else if (strncmp(reasons->values[i].string.text, "marker-waste-almost-full", 24) == 0) | |
926 | message = "Ink/toner waste bin almost full."; | |
927 | else if (strncmp(reasons->values[i].string.text, "marker-waste-full", 17) == 0) | |
928 | message = "Ink/toner waste bin full!"; | |
929 | else if (strncmp(reasons->values[i].string.text, "fuser-over-temp", 15) == 0) | |
930 | message = "Fuser temperature high!"; | |
931 | else if (strncmp(reasons->values[i].string.text, "fuser-under-temp", 16) == 0) | |
932 | message = "Fuser temperature low!"; | |
933 | else if (strncmp(reasons->values[i].string.text, "opc-near-eol", 12) == 0) | |
934 | message = "OPC almost at end-of-life."; | |
935 | else if (strncmp(reasons->values[i].string.text, "opc-life-over", 13) == 0) | |
936 | message = "OPC at end-of-life!"; | |
937 | else if (strncmp(reasons->values[i].string.text, "developer-low", 13) == 0) | |
938 | message = "Developer almost empty."; | |
939 | else if (strncmp(reasons->values[i].string.text, "developer-empty", 15) == 0) | |
940 | message = "Developer empty!"; | |
941 | else if (strstr(reasons->values[i].string.text, "error") != NULL) | |
942 | { | |
943 | message = unknown; | |
944 | ||
945 | snprintf(unknown, sizeof(unknown), "Unknown printer error (%s)!", | |
946 | reasons->values[i].string.text); | |
947 | } | |
948 | ||
949 | if (message) | |
950 | { | |
951 | count ++; | |
952 | if (strstr(reasons->values[i].string.text, "error")) | |
953 | fprintf(stderr, "ERROR: %s\n", message); | |
954 | else if (strstr(reasons->values[i].string.text, "warning")) | |
955 | fprintf(stderr, "WARNING: %s\n", message); | |
956 | else | |
957 | fprintf(stderr, "INFO: %s\n", message); | |
958 | } | |
959 | } | |
960 | ||
961 | return (count); | |
962 | } | |
963 | ||
964 | ||
965 | #ifdef __APPLE__ | |
966 | /* | |
967 | * 'run_pictwps_filter()' - Convert PICT files to PostScript when printing | |
968 | * remotely. | |
969 | * | |
970 | * This step is required because the PICT format is not documented and | |
971 | * subject to change, so developing a filter for other OS's is infeasible. | |
972 | * Also, fonts required by the PICT file need to be embedded on the | |
973 | * client side (which has the fonts), so we run the filter to get a | |
974 | * PostScript file for printing... | |
975 | */ | |
976 | ||
977 | int /* O - Exit status of filter */ | |
978 | run_pictwps_filter(char **argv, /* I - Command-line arguments */ | |
979 | char *filename, /* I - Filename buffer */ | |
980 | int length) /* I - Size of filename buffer */ | |
981 | { | |
982 | struct stat fileinfo; /* Print file information */ | |
983 | const char *ppdfile; /* PPD file for destination printer */ | |
984 | int pid; /* Child process ID */ | |
985 | int fd; /* Temporary file descriptor */ | |
986 | int status; /* Exit status of filter */ | |
987 | const char *printer; /* PRINTER env var */ | |
988 | static char ppdenv[1024]; /* PPD environment variable */ | |
989 | ||
990 | ||
991 | /* | |
992 | * First get the PPD file for the printer... | |
993 | */ | |
994 | ||
995 | printer = getenv("PRINTER"); | |
996 | if (!printer) | |
997 | { | |
998 | fputs("ERROR: PRINTER environment variable not defined!\n", stderr); | |
999 | return (-1); | |
1000 | } | |
1001 | ||
1002 | if ((ppdfile = cupsGetPPD(printer)) == NULL) | |
1003 | { | |
1004 | fprintf(stderr, "ERROR: Unable to get PPD file for printer \"%s\" - %s.\n", | |
1005 | printer, ippErrorString(cupsLastError())); | |
1006 | return (-1); | |
1007 | } | |
1008 | ||
1009 | snprintf(ppdenv, sizeof(ppdenv), "PPD=%s", ppdfile); | |
1010 | putenv(ppdenv); | |
1011 | ||
1012 | /* | |
1013 | * Then create a temporary file for printing... | |
1014 | */ | |
1015 | ||
1016 | if ((fd = cupsTempFd(filename, length)) < 0) | |
1017 | { | |
1018 | fprintf(stderr, "ERROR: Unable to create temporary file - %s.\n", | |
1019 | printer, strerror(errno)); | |
1020 | return (-1); | |
1021 | } | |
1022 | ||
1023 | /* | |
1024 | * Get the owner of the spool file - it is owned by the user we want to run | |
1025 | * as... | |
1026 | */ | |
1027 | ||
1028 | stat(argv[6], &fileinfo); | |
1029 | ||
1030 | /* | |
1031 | * Finally, run the filter to convert the file... | |
1032 | */ | |
1033 | ||
1034 | if ((pid = fork()) == 0) | |
1035 | { | |
1036 | /* | |
1037 | * Child process for pictwpstops... Redirect output of pictwpstops to a | |
1038 | * file... | |
1039 | */ | |
1040 | ||
1041 | close(1); | |
1042 | dup(fd); | |
1043 | close(fd); | |
1044 | ||
1045 | if (!getuid()) | |
1046 | { | |
1047 | /* | |
1048 | * Change to an unpriviledged user... | |
1049 | */ | |
1050 | ||
1051 | setgid(fileinfo.st_gid); | |
1052 | setuid(fileinfo.st_uid); | |
1053 | } | |
1054 | ||
1055 | execlp("pictwpstops", printer, argv[1], argv[2], argv[3], argv[4], argv[5], | |
1056 | argv[6], NULL); | |
1057 | perror("ERROR: Unable to exec pictwpstops"); | |
1058 | return (errno); | |
1059 | } | |
1060 | else if (pid < 0) | |
1061 | { | |
1062 | /* | |
1063 | * Error! | |
1064 | */ | |
1065 | ||
1066 | perror("ERROR: Unable to fork pictwpstops"); | |
1067 | close(fd); | |
1068 | unlink(filename); | |
1069 | return (-1); | |
1070 | } | |
1071 | ||
1072 | /* | |
1073 | * Now wait for the filter to complete... | |
1074 | */ | |
1075 | ||
1076 | if (wait(&status) < 0) | |
1077 | { | |
1078 | perror("ERROR: Unable to wait for pictwpstops"); | |
1079 | close(fd); | |
1080 | unlink(filename); | |
1081 | return (-1); | |
1082 | } | |
1083 | ||
1084 | close(fd); | |
1085 | ||
1086 | if (status) | |
1087 | { | |
1088 | if (status >= 256) | |
1089 | fprintf(stderr, "ERROR: pictwpstops exited with status %d!\n", | |
1090 | status / 256); | |
1091 | else | |
1092 | fprintf(stderr, "ERROR: pictwpstops exited on signal %d!\n", | |
1093 | status); | |
1094 | ||
1095 | unlink(filename); | |
1096 | return (status); | |
1097 | } | |
1098 | ||
1099 | /* | |
1100 | * Return with no errors.. | |
1101 | */ | |
1102 | ||
1103 | return (0); | |
1104 | } | |
1105 | #endif /* __APPLE__ */ | |
1106 | ||
1107 | ||
1108 | /* | |
1109 | * End of "$Id: ipp.c,v 1.38.2.21 2003/01/29 15:38:43 mike Exp $". | |
1110 | */ |