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[thirdparty/cups.git] / backend / ipp.c
1 /*
2 * "$Id$"
3 *
4 * IPP backend for CUPS.
5 *
6 * Copyright 2007-2014 by Apple Inc.
7 * Copyright 1997-2007 by Easy Software Products, all rights reserved.
8 *
9 * These coded instructions, statements, and computer programs are the
10 * property of Apple Inc. and are protected by Federal copyright
11 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
12 * "LICENSE" which should have been included with this file. If this
13 * file is missing or damaged, see the license at "http://www.cups.org/".
14 *
15 * This file is subject to the Apple OS-Developed Software exception.
16 */
17
18 /*
19 * Include necessary headers.
20 */
21
22 #include "backend-private.h"
23 #include <cups/array-private.h>
24 #include <sys/types.h>
25 #include <sys/stat.h>
26 #include <sys/wait.h>
27 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
28 # include <xpc/xpc.h>
29 # define kPMPrintUIToolAgent "com.apple.printuitool.agent"
30 # define kPMStartJob 100
31 # define kPMWaitForJob 101
32 # ifdef HAVE_XPC_PRIVATE_H
33 # include <xpc/private.h>
34 # else
35 extern void xpc_connection_set_target_uid(xpc_connection_t connection,
36 uid_t uid);
37 # endif /* HAVE_XPC_PRIVATE_H */
38 #endif /* HAVE_GSSAPI && HAVE_XPC */
39
40
41 /*
42 * Bits for job-state-reasons we care about...
43 */
44
45 #define _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED 0x01
46 #define _CUPS_JSR_ACCOUNT_CLOSED 0x02
47 #define _CUPS_JSR_ACCOUNT_INFO_NEEDED 0x04
48 #define _CUPS_JSR_ACCOUNT_LIMIT_REACHED 0x08
49 #define _CUPS_JSR_JOB_PASSWORD_WAIT 0x10
50 #define _CUPS_JSR_JOB_RELEASE_WAIT 0x20
51
52
53 /*
54 * Types...
55 */
56
57 typedef struct _cups_monitor_s /**** Monitoring data ****/
58 {
59 const char *uri, /* Printer URI */
60 *hostname, /* Hostname */
61 *user, /* Username */
62 *resource; /* Resource path */
63 int port, /* Port number */
64 version, /* IPP version */
65 job_id, /* Job ID for submitted job */
66 job_reasons, /* Job state reasons bits */
67 get_job_attrs; /* Support Get-Job-Attributes? */
68 const char *job_name; /* Job name for submitted job */
69 http_encryption_t encryption; /* Use encryption? */
70 ipp_jstate_t job_state; /* Current job state */
71 ipp_pstate_t printer_state; /* Current printer state */
72 } _cups_monitor_t;
73
74
75 /*
76 * Globals...
77 */
78
79 static const char *auth_info_required;
80 /* New auth-info-required value */
81 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
82 static pid_t child_pid = 0; /* Child process ID */
83 #endif /* HAVE_GSSAPI && HAVE_XPC */
84 static const char * const jattrs[] = /* Job attributes we want */
85 {
86 "job-id",
87 "job-impressions-completed",
88 "job-media-sheets-completed",
89 "job-name",
90 "job-originating-user-name",
91 "job-state",
92 "job-state-reasons"
93 };
94 static int job_canceled = 0;
95 /* Job cancelled? */
96 static char username[256] = "",
97 /* Username for device URI */
98 *password = NULL;
99 /* Password for device URI */
100 static const char * const pattrs[] = /* Printer attributes we want */
101 {
102 #ifdef HAVE_LIBZ
103 "compression-supported",
104 #endif /* HAVE_LIBZ */
105 "copies-supported",
106 "cups-version",
107 "document-format-supported",
108 "marker-colors",
109 "marker-high-levels",
110 "marker-levels",
111 "marker-low-levels",
112 "marker-message",
113 "marker-names",
114 "marker-types",
115 "media-col-supported",
116 "multiple-document-handling-supported",
117 "operations-supported",
118 "print-color-mode-supported",
119 "printer-alert",
120 "printer-alert-description",
121 "printer-is-accepting-jobs",
122 "printer-state",
123 "printer-state-message",
124 "printer-state-reasons"
125 };
126 static const char * const remote_job_states[] =
127 { /* Remote job state keywords */
128 "+cups-remote-pending",
129 "+cups-remote-pending-held",
130 "+cups-remote-processing",
131 "+cups-remote-stopped",
132 "+cups-remote-canceled",
133 "+cups-remote-aborted",
134 "+cups-remote-completed"
135 };
136 static _cups_mutex_t report_mutex = _CUPS_MUTEX_INITIALIZER;
137 /* Mutex to control access */
138 static int num_attr_cache = 0;
139 /* Number of cached attributes */
140 static cups_option_t *attr_cache = NULL;
141 /* Cached attributes */
142 static cups_array_t *state_reasons; /* Array of printe-state-reasons keywords */
143 static char tmpfilename[1024] = "";
144 /* Temporary spool file name */
145
146
147 /*
148 * Local functions...
149 */
150
151 static void cancel_job(http_t *http, const char *uri, int id,
152 const char *resource, const char *user,
153 int version);
154 static ipp_pstate_t check_printer_state(http_t *http, const char *uri,
155 const char *resource,
156 const char *user, int version);
157 static void *monitor_printer(_cups_monitor_t *monitor);
158 static ipp_t *new_request(ipp_op_t op, int version, const char *uri,
159 const char *user, const char *title,
160 int num_options, cups_option_t *options,
161 const char *compression, int copies,
162 const char *format, _ppd_cache_t *pc,
163 ppd_file_t *ppd,
164 ipp_attribute_t *media_col_sup,
165 ipp_attribute_t *doc_handling_sup,
166 ipp_attribute_t *print_color_mode_sup);
167 static const char *password_cb(const char *prompt, http_t *http,
168 const char *method, const char *resource,
169 int *user_data);
170 static const char *quote_string(const char *s, char *q, size_t qsize);
171 static void report_attr(ipp_attribute_t *attr);
172 static void report_printer_state(ipp_t *ipp);
173 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
174 static int run_as_user(char *argv[], uid_t uid,
175 const char *device_uri, int fd);
176 #endif /* HAVE_GSSAPI && HAVE_XPC */
177 static void sigterm_handler(int sig);
178 static int timeout_cb(http_t *http, void *user_data);
179 static void update_reasons(ipp_attribute_t *attr, const char *s);
180
181
182 /*
183 * 'main()' - Send a file to the printer or server.
184 *
185 * Usage:
186 *
187 * printer-uri job-id user title copies options [file]
188 */
189
190 int /* O - Exit status */
191 main(int argc, /* I - Number of command-line args */
192 char *argv[]) /* I - Command-line arguments */
193 {
194 int i; /* Looping var */
195 int send_options; /* Send job options? */
196 int num_options; /* Number of printer options */
197 cups_option_t *options; /* Printer options */
198 const char *device_uri; /* Device URI */
199 char scheme[255], /* Scheme in URI */
200 hostname[1024], /* Hostname */
201 resource[1024], /* Resource info (printer name) */
202 addrname[256], /* Address name */
203 *optptr, /* Pointer to URI options */
204 *name, /* Name of option */
205 *value, /* Value of option */
206 sep; /* Separator character */
207 int password_tries = 0; /* Password tries */
208 http_addrlist_t *addrlist; /* Address of printer */
209 int snmp_enabled = 1; /* Is SNMP enabled? */
210 int snmp_fd, /* SNMP socket */
211 start_count, /* Page count via SNMP at start */
212 page_count, /* Page count via SNMP */
213 have_supplies; /* Printer supports supply levels? */
214 int num_files; /* Number of files to print */
215 char **files, /* Files to print */
216 *compatfile = NULL; /* Compatibility filename */
217 off_t compatsize = 0; /* Size of compatibility file */
218 int port; /* Port number (not used) */
219 char portname[255]; /* Port name */
220 char uri[HTTP_MAX_URI]; /* Updated URI without user/pass */
221 char print_job_name[1024]; /* Update job-name for Print-Job */
222 http_status_t http_status; /* Status of HTTP request */
223 ipp_status_t ipp_status; /* Status of IPP request */
224 http_t *http; /* HTTP connection */
225 ipp_t *request, /* IPP request */
226 *response, /* IPP response */
227 *supported; /* get-printer-attributes response */
228 time_t start_time; /* Time of first connect */
229 int contimeout; /* Connection timeout */
230 int delay, /* Delay for retries */
231 prev_delay; /* Previous delay */
232 const char *compression; /* Compression mode */
233 int waitjob, /* Wait for job complete? */
234 waitjob_tries = 0, /* Number of times we've waited */
235 waitprinter; /* Wait for printer ready? */
236 _cups_monitor_t monitor; /* Monitoring data */
237 ipp_attribute_t *job_id_attr; /* job-id attribute */
238 int job_id; /* job-id value */
239 ipp_attribute_t *job_sheets; /* job-media-sheets-completed */
240 ipp_attribute_t *job_state; /* job-state */
241 #ifdef HAVE_LIBZ
242 ipp_attribute_t *compression_sup; /* compression-supported */
243 #endif /* HAVE_LIBZ */
244 ipp_attribute_t *copies_sup; /* copies-supported */
245 ipp_attribute_t *cups_version; /* cups-version */
246 ipp_attribute_t *format_sup; /* document-format-supported */
247 ipp_attribute_t *job_auth; /* job-authorization-uri */
248 ipp_attribute_t *media_col_sup; /* media-col-supported */
249 ipp_attribute_t *operations_sup; /* operations-supported */
250 ipp_attribute_t *doc_handling_sup; /* multiple-document-handling-supported */
251 ipp_attribute_t *printer_state; /* printer-state attribute */
252 ipp_attribute_t *printer_accepting; /* printer-is-accepting-jobs */
253 ipp_attribute_t *print_color_mode_sup;/* Does printer support print-color-mode? */
254 int create_job = 0, /* Does printer support Create-Job? */
255 get_job_attrs = 0, /* Does printer support Get-Job-Attributes? */
256 send_document = 0, /* Does printer support Send-Document? */
257 validate_job = 0, /* Does printer support Validate-Job? */
258 copies, /* Number of copies for job */
259 copies_remaining; /* Number of copies remaining */
260 const char *content_type, /* CONTENT_TYPE environment variable */
261 *final_content_type, /* FINAL_CONTENT_TYPE environment var */
262 *document_format; /* document-format value */
263 int fd; /* File descriptor */
264 off_t bytes = 0; /* Bytes copied */
265 char buffer[16384]; /* Copy buffer */
266 #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
267 struct sigaction action; /* Actions for POSIX signals */
268 #endif /* HAVE_SIGACTION && !HAVE_SIGSET */
269 int version; /* IPP version */
270 ppd_file_t *ppd = NULL; /* PPD file */
271 _ppd_cache_t *pc = NULL; /* PPD cache and mapping data */
272 fd_set input; /* Input set for select() */
273
274
275 /*
276 * Make sure status messages are not buffered...
277 */
278
279 setbuf(stderr, NULL);
280
281 /*
282 * Ignore SIGPIPE and catch SIGTERM signals...
283 */
284
285 #ifdef HAVE_SIGSET
286 sigset(SIGPIPE, SIG_IGN);
287 sigset(SIGTERM, sigterm_handler);
288 #elif defined(HAVE_SIGACTION)
289 memset(&action, 0, sizeof(action));
290 action.sa_handler = SIG_IGN;
291 sigaction(SIGPIPE, &action, NULL);
292
293 sigemptyset(&action.sa_mask);
294 sigaddset(&action.sa_mask, SIGTERM);
295 action.sa_handler = sigterm_handler;
296 sigaction(SIGTERM, &action, NULL);
297 #else
298 signal(SIGPIPE, SIG_IGN);
299 signal(SIGTERM, sigterm_handler);
300 #endif /* HAVE_SIGSET */
301
302 /*
303 * Check command-line...
304 */
305
306 if (argc == 1)
307 {
308 char *s;
309
310 if ((s = strrchr(argv[0], '/')) != NULL)
311 s ++;
312 else
313 s = argv[0];
314
315 printf("network %s \"Unknown\" \"%s (%s)\"\n",
316 s, _cupsLangString(cupsLangDefault(),
317 _("Internet Printing Protocol")), s);
318 return (CUPS_BACKEND_OK);
319 }
320 else if (argc < 6)
321 {
322 _cupsLangPrintf(stderr,
323 _("Usage: %s job-id user title copies options [file]"),
324 argv[0]);
325 return (CUPS_BACKEND_STOP);
326 }
327
328 /*
329 * Get the device URI...
330 */
331
332 while ((device_uri = cupsBackendDeviceURI(argv)) == NULL)
333 {
334 _cupsLangPrintFilter(stderr, "INFO", _("Unable to locate printer."));
335 sleep(10);
336
337 if (getenv("CLASS") != NULL)
338 return (CUPS_BACKEND_FAILED);
339 }
340
341 if ((auth_info_required = getenv("AUTH_INFO_REQUIRED")) == NULL)
342 auth_info_required = "none";
343
344 state_reasons = _cupsArrayNewStrings(getenv("PRINTER_STATE_REASONS"), ',');
345
346 #ifdef HAVE_GSSAPI
347 /*
348 * For Kerberos, become the printing user (if we can) to get the credentials
349 * that way.
350 */
351
352 if (!getuid() && (value = getenv("AUTH_UID")) != NULL &&
353 !getenv("AUTH_PASSWORD"))
354 {
355 uid_t uid = (uid_t)atoi(value);
356 /* User ID */
357
358 # ifdef HAVE_XPC
359 if (uid > 0)
360 {
361 if (argc == 6)
362 return (run_as_user(argv, uid, device_uri, 0));
363 else
364 {
365 int status = 0; /* Exit status */
366
367 for (i = 6; i < argc && !status && !job_canceled; i ++)
368 {
369 if ((fd = open(argv[i], O_RDONLY)) >= 0)
370 {
371 status = run_as_user(argv, uid, device_uri, fd);
372 close(fd);
373 }
374 else
375 {
376 _cupsLangPrintError("ERROR", _("Unable to open print file"));
377 status = CUPS_BACKEND_FAILED;
378 }
379 }
380
381 return (status);
382 }
383 }
384
385 # else /* No XPC, just try to run as the user ID */
386 if (uid > 0)
387 seteuid(uid);
388 # endif /* HAVE_XPC */
389 }
390 #endif /* HAVE_GSSAPI */
391
392 /*
393 * Get the (final) content type...
394 */
395
396 if ((content_type = getenv("CONTENT_TYPE")) == NULL)
397 content_type = "application/octet-stream";
398
399 if ((final_content_type = getenv("FINAL_CONTENT_TYPE")) == NULL)
400 {
401 final_content_type = content_type;
402
403 if (!strncmp(final_content_type, "printer/", 8))
404 final_content_type = "application/vnd.cups-raw";
405 }
406
407 /*
408 * Extract the hostname and printer name from the URI...
409 */
410
411 httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme),
412 username, sizeof(username), hostname, sizeof(hostname), &port,
413 resource, sizeof(resource));
414
415 if (!port)
416 port = IPP_PORT; /* Default to port 631 */
417
418 if (!strcmp(scheme, "https") || !strcmp(scheme, "ipps"))
419 cupsSetEncryption(HTTP_ENCRYPT_ALWAYS);
420 else
421 cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED);
422
423 /*
424 * See if there are any options...
425 */
426
427 compression = NULL;
428 version = 20;
429 waitjob = 1;
430 waitprinter = 1;
431 contimeout = 7 * 24 * 60 * 60;
432
433 if ((optptr = strchr(resource, '?')) != NULL)
434 {
435 /*
436 * Yup, terminate the device name string and move to the first
437 * character of the optptr...
438 */
439
440 *optptr++ = '\0';
441
442 /*
443 * Then parse the optptr...
444 */
445
446 while (*optptr)
447 {
448 /*
449 * Get the name...
450 */
451
452 name = optptr;
453
454 while (*optptr && *optptr != '=' && *optptr != '+' && *optptr != '&')
455 optptr ++;
456
457 if ((sep = *optptr) != '\0')
458 *optptr++ = '\0';
459
460 if (sep == '=')
461 {
462 /*
463 * Get the value...
464 */
465
466 value = optptr;
467
468 while (*optptr && *optptr != '+' && *optptr != '&')
469 optptr ++;
470
471 if (*optptr)
472 *optptr++ = '\0';
473 }
474 else
475 value = (char *)"";
476
477 /*
478 * Process the option...
479 */
480
481 if (!_cups_strcasecmp(name, "waitjob"))
482 {
483 /*
484 * Wait for job completion?
485 */
486
487 waitjob = !_cups_strcasecmp(value, "on") ||
488 !_cups_strcasecmp(value, "yes") ||
489 !_cups_strcasecmp(value, "true");
490 }
491 else if (!_cups_strcasecmp(name, "waitprinter"))
492 {
493 /*
494 * Wait for printer idle?
495 */
496
497 waitprinter = !_cups_strcasecmp(value, "on") ||
498 !_cups_strcasecmp(value, "yes") ||
499 !_cups_strcasecmp(value, "true");
500 }
501 else if (!_cups_strcasecmp(name, "encryption"))
502 {
503 /*
504 * Enable/disable encryption?
505 */
506
507 if (!_cups_strcasecmp(value, "always"))
508 cupsSetEncryption(HTTP_ENCRYPT_ALWAYS);
509 else if (!_cups_strcasecmp(value, "required"))
510 cupsSetEncryption(HTTP_ENCRYPT_REQUIRED);
511 else if (!_cups_strcasecmp(value, "never"))
512 cupsSetEncryption(HTTP_ENCRYPT_NEVER);
513 else if (!_cups_strcasecmp(value, "ifrequested"))
514 cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED);
515 else
516 {
517 _cupsLangPrintFilter(stderr, "ERROR",
518 _("Unknown encryption option value: \"%s\"."),
519 value);
520 }
521 }
522 else if (!_cups_strcasecmp(name, "snmp"))
523 {
524 /*
525 * Enable/disable SNMP stuff...
526 */
527
528 snmp_enabled = !value[0] || !_cups_strcasecmp(value, "on") ||
529 _cups_strcasecmp(value, "yes") ||
530 _cups_strcasecmp(value, "true");
531 }
532 else if (!_cups_strcasecmp(name, "version"))
533 {
534 if (!strcmp(value, "1.0"))
535 version = 10;
536 else if (!strcmp(value, "1.1"))
537 version = 11;
538 else if (!strcmp(value, "2.0"))
539 version = 20;
540 else if (!strcmp(value, "2.1"))
541 version = 21;
542 else if (!strcmp(value, "2.2"))
543 version = 22;
544 else
545 {
546 _cupsLangPrintFilter(stderr, "ERROR",
547 _("Unknown version option value: \"%s\"."),
548 value);
549 }
550 }
551 #ifdef HAVE_LIBZ
552 else if (!_cups_strcasecmp(name, "compression"))
553 {
554 if (!_cups_strcasecmp(value, "true") || !_cups_strcasecmp(value, "yes") ||
555 !_cups_strcasecmp(value, "on") || !_cups_strcasecmp(value, "gzip"))
556 compression = "gzip";
557 else if (!_cups_strcasecmp(value, "deflate"))
558 compression = "deflate";
559 else if (!_cups_strcasecmp(value, "false") ||
560 !_cups_strcasecmp(value, "no") ||
561 !_cups_strcasecmp(value, "off") ||
562 !_cups_strcasecmp(value, "none"))
563 compression = "none";
564 }
565 #endif /* HAVE_LIBZ */
566 else if (!_cups_strcasecmp(name, "contimeout"))
567 {
568 /*
569 * Set the connection timeout...
570 */
571
572 if (atoi(value) > 0)
573 contimeout = atoi(value);
574 }
575 else
576 {
577 /*
578 * Unknown option...
579 */
580
581 _cupsLangPrintFilter(stderr, "ERROR",
582 _("Unknown option \"%s\" with value \"%s\"."),
583 name, value);
584 }
585 }
586 }
587
588 /*
589 * If we have 7 arguments, print the file named on the command-line.
590 * Otherwise, copy stdin to a temporary file and print the temporary
591 * file.
592 */
593
594 if (argc == 6)
595 {
596 num_files = 0;
597 files = NULL;
598 send_options = !_cups_strcasecmp(final_content_type, "application/pdf") ||
599 !_cups_strcasecmp(final_content_type, "application/vnd.cups-pdf") ||
600 !_cups_strncasecmp(final_content_type, "image/", 6);
601
602 fputs("DEBUG: Sending stdin for job...\n", stderr);
603 }
604 else
605 {
606 /*
607 * Point to the files on the command-line...
608 */
609
610 num_files = argc - 6;
611 files = argv + 6;
612 send_options = 1;
613
614 fprintf(stderr, "DEBUG: %d files to send in job...\n", num_files);
615 }
616
617 /*
618 * Set the authentication info, if any...
619 */
620
621 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries);
622
623 if (username[0])
624 {
625 /*
626 * Use authentication information in the device URI...
627 */
628
629 if ((password = strchr(username, ':')) != NULL)
630 *password++ = '\0';
631
632 cupsSetUser(username);
633 }
634 else
635 {
636 /*
637 * Try loading authentication information from the environment.
638 */
639
640 const char *ptr = getenv("AUTH_USERNAME");
641
642 if (ptr)
643 {
644 strlcpy(username, ptr, sizeof(username));
645 cupsSetUser(ptr);
646 }
647
648 password = getenv("AUTH_PASSWORD");
649 }
650
651 /*
652 * Try finding the remote server...
653 */
654
655 start_time = time(NULL);
656
657 sprintf(portname, "%d", port);
658
659 update_reasons(NULL, "+connecting-to-device");
660 fprintf(stderr, "DEBUG: Looking up \"%s\"...\n", hostname);
661
662 while ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
663 {
664 _cupsLangPrintFilter(stderr, "INFO",
665 _("Unable to locate printer \"%s\"."), hostname);
666 sleep(10);
667
668 if (getenv("CLASS") != NULL)
669 {
670 update_reasons(NULL, "-connecting-to-device");
671 return (CUPS_BACKEND_STOP);
672 }
673
674 if (job_canceled)
675 return (CUPS_BACKEND_OK);
676 }
677
678 http = httpConnect2(hostname, port, addrlist, AF_UNSPEC, cupsEncryption(), 1,
679 0, NULL);
680 httpSetTimeout(http, 30.0, timeout_cb, NULL);
681
682 /*
683 * See if the printer supports SNMP...
684 */
685
686 if (snmp_enabled)
687 snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family);
688 else
689 snmp_fd = -1;
690
691 if (snmp_fd >= 0)
692 have_supplies = !backendSNMPSupplies(snmp_fd, &(addrlist->addr),
693 &start_count, NULL);
694 else
695 have_supplies = start_count = 0;
696
697 /*
698 * Wait for data from the filter...
699 */
700
701 if (num_files == 0)
702 {
703 if (!backendWaitLoop(snmp_fd, &(addrlist->addr), 0, backendNetworkSideCB))
704 return (CUPS_BACKEND_OK);
705 else if ((bytes = read(0, buffer, sizeof(buffer))) <= 0)
706 return (CUPS_BACKEND_OK);
707 }
708
709 /*
710 * Try connecting to the remote server...
711 */
712
713 delay = _cupsNextDelay(0, &prev_delay);
714
715 do
716 {
717 fprintf(stderr, "DEBUG: Connecting to %s:%d\n", hostname, port);
718 _cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer."));
719
720 if (httpReconnect(http))
721 {
722 int error = errno; /* Connection error */
723
724 if (http->status == HTTP_PKI_ERROR)
725 update_reasons(NULL, "+cups-certificate-error");
726
727 if (job_canceled)
728 break;
729
730 if (getenv("CLASS") != NULL)
731 {
732 /*
733 * If the CLASS environment variable is set, the job was submitted
734 * to a class and not to a specific queue. In this case, we want
735 * to abort immediately so that the job can be requeued on the next
736 * available printer in the class.
737 */
738
739 _cupsLangPrintFilter(stderr, "INFO",
740 _("Unable to contact printer, queuing on next "
741 "printer in class."));
742
743 /*
744 * Sleep 5 seconds to keep the job from requeuing too rapidly...
745 */
746
747 sleep(5);
748
749 update_reasons(NULL, "-connecting-to-device");
750
751 return (CUPS_BACKEND_FAILED);
752 }
753
754 fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(errno));
755
756 if (errno == ECONNREFUSED || errno == EHOSTDOWN ||
757 errno == EHOSTUNREACH)
758 {
759 if (contimeout && (time(NULL) - start_time) > contimeout)
760 {
761 _cupsLangPrintFilter(stderr, "ERROR",
762 _("The printer is not responding."));
763 update_reasons(NULL, "-connecting-to-device");
764 return (CUPS_BACKEND_FAILED);
765 }
766
767 switch (error)
768 {
769 case EHOSTDOWN :
770 _cupsLangPrintFilter(stderr, "WARNING",
771 _("The printer may not exist or "
772 "is unavailable at this time."));
773 break;
774
775 case EHOSTUNREACH :
776 _cupsLangPrintFilter(stderr, "WARNING",
777 _("The printer is unreachable at this "
778 "time."));
779 break;
780
781 case ECONNREFUSED :
782 default :
783 _cupsLangPrintFilter(stderr, "WARNING",
784 _("The printer is in use."));
785 break;
786 }
787
788 sleep((unsigned)delay);
789
790 delay = _cupsNextDelay(delay, &prev_delay);
791 }
792 else
793 {
794 _cupsLangPrintFilter(stderr, "ERROR",
795 _("The printer is not responding."));
796 sleep(30);
797 }
798
799 if (job_canceled)
800 break;
801 }
802 else
803 update_reasons(NULL, "-cups-certificate-error");
804 }
805 while (http->fd < 0);
806
807 if (job_canceled)
808 return (CUPS_BACKEND_OK);
809 else if (!http)
810 return (CUPS_BACKEND_FAILED);
811
812 update_reasons(NULL, "-connecting-to-device");
813 _cupsLangPrintFilter(stderr, "INFO", _("Connected to printer."));
814
815 fprintf(stderr, "DEBUG: Connected to %s:%d...\n",
816 httpAddrString(http->hostaddr, addrname, sizeof(addrname)),
817 httpAddrPort(http->hostaddr));
818
819 /*
820 * Build a URI for the printer and fill the standard IPP attributes for
821 * an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it
822 * might contain username:password information...
823 */
824
825 httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri), scheme, NULL, hostname,
826 port, resource);
827
828 /*
829 * First validate the destination and see if the device supports multiple
830 * copies...
831 */
832
833 #ifdef HAVE_LIBZ
834 compression_sup = NULL;
835 #endif /* HAVE_LIBZ */
836 copies_sup = NULL;
837 cups_version = NULL;
838 format_sup = NULL;
839 media_col_sup = NULL;
840 supported = NULL;
841 operations_sup = NULL;
842 doc_handling_sup = NULL;
843 print_color_mode_sup = NULL;
844
845 do
846 {
847 /*
848 * Check for side-channel requests...
849 */
850
851 backendCheckSideChannel(snmp_fd, http->hostaddr);
852
853 /*
854 * Build the IPP request...
855 */
856
857 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
858 ippSetVersion(request, version / 10, version % 10);
859 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
860 NULL, uri);
861
862 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
863 "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
864 NULL, pattrs);
865
866 /*
867 * Do the request...
868 */
869
870 fputs("DEBUG: Getting supported attributes...\n", stderr);
871
872 if (http->version < HTTP_1_1)
873 {
874 fprintf(stderr, "DEBUG: Printer responded with HTTP version %d.%d.\n",
875 http->version / 100, http->version % 100);
876 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
877 "cups-ipp-wrong-http-version");
878 }
879
880 supported = cupsDoRequest(http, request, resource);
881 ipp_status = cupsLastError();
882
883 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
884 ippErrorString(ipp_status), cupsLastErrorString());
885
886 if (ipp_status <= IPP_OK_CONFLICT)
887 password_tries = 0;
888 else
889 {
890 fprintf(stderr, "DEBUG: Get-Printer-Attributes returned %s.\n",
891 ippErrorString(ipp_status));
892
893 if (ipp_status == IPP_PRINTER_BUSY ||
894 ipp_status == IPP_SERVICE_UNAVAILABLE)
895 {
896 if (contimeout && (time(NULL) - start_time) > contimeout)
897 {
898 _cupsLangPrintFilter(stderr, "ERROR",
899 _("The printer is not responding."));
900 return (CUPS_BACKEND_FAILED);
901 }
902
903 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
904
905 report_printer_state(supported);
906
907 sleep((unsigned)delay);
908
909 delay = _cupsNextDelay(delay, &prev_delay);
910 }
911 else if ((ipp_status == IPP_BAD_REQUEST ||
912 ipp_status == IPP_VERSION_NOT_SUPPORTED) && version > 10)
913 {
914 /*
915 * Switch to IPP/1.1 or IPP/1.0...
916 */
917
918 if (version >= 20)
919 {
920 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print."));
921 fprintf(stderr,
922 "DEBUG: The printer does not support IPP/%d.%d, trying "
923 "IPP/1.1.\n", version / 10, version % 10);
924 version = 11;
925 }
926 else
927 {
928 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print."));
929 fprintf(stderr,
930 "DEBUG: The printer does not support IPP/%d.%d, trying "
931 "IPP/1.0.\n", version / 10, version % 10);
932 version = 10;
933 }
934
935 httpReconnect(http);
936 }
937 else if (ipp_status == IPP_NOT_FOUND)
938 {
939 _cupsLangPrintFilter(stderr, "ERROR",
940 _("The printer configuration is incorrect or the "
941 "printer no longer exists."));
942
943 ippDelete(supported);
944
945 return (CUPS_BACKEND_STOP);
946 }
947 else if (ipp_status == IPP_FORBIDDEN ||
948 ipp_status == IPP_AUTHENTICATION_CANCELED)
949 {
950 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
951 /* WWW-Authenticate field value */
952
953 if (!strncmp(www_auth, "Negotiate", 9))
954 auth_info_required = "negotiate";
955 else if (www_auth[0])
956 auth_info_required = "username,password";
957
958 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
959 return (CUPS_BACKEND_AUTH_REQUIRED);
960 }
961 else if (ipp_status != IPP_NOT_AUTHORIZED)
962 {
963 _cupsLangPrintFilter(stderr, "ERROR",
964 _("Unable to get printer status."));
965 sleep(10);
966
967 httpReconnect(http);
968 }
969
970 ippDelete(supported);
971 supported = NULL;
972 continue;
973 }
974
975 if (!getenv("CLASS"))
976 {
977 /*
978 * Check printer-is-accepting-jobs = false and printer-state-reasons for the
979 * "spool-area-full" keyword...
980 */
981
982 int busy = 0;
983
984 if ((printer_accepting = ippFindAttribute(supported,
985 "printer-is-accepting-jobs",
986 IPP_TAG_BOOLEAN)) != NULL &&
987 !printer_accepting->values[0].boolean)
988 busy = 1;
989 else if (!printer_accepting)
990 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
991 "cups-ipp-missing-printer-is-accepting-jobs");
992
993 if ((printer_state = ippFindAttribute(supported,
994 "printer-state-reasons",
995 IPP_TAG_KEYWORD)) == NULL)
996 {
997 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
998 "cups-ipp-missing-printer-state-reasons");
999 }
1000 else if (!busy)
1001 {
1002 for (i = 0; i < printer_state->num_values; i ++)
1003 {
1004 if (!strcmp(printer_state->values[0].string.text,
1005 "spool-area-full") ||
1006 !strncmp(printer_state->values[0].string.text, "spool-area-full-",
1007 16))
1008 {
1009 busy = 1;
1010 break;
1011 }
1012 }
1013 }
1014
1015 if (busy)
1016 {
1017 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1018
1019 report_printer_state(supported);
1020
1021 sleep((unsigned)delay);
1022
1023 delay = _cupsNextDelay(delay, &prev_delay);
1024
1025 ippDelete(supported);
1026 supported = NULL;
1027 ipp_status = IPP_STATUS_ERROR_BUSY;
1028 continue;
1029 }
1030 }
1031
1032 /*
1033 * Check for supported attributes...
1034 */
1035
1036 #ifdef HAVE_LIBZ
1037 if ((compression_sup = ippFindAttribute(supported, "compression-supported",
1038 IPP_TAG_KEYWORD)) != NULL)
1039 {
1040 /*
1041 * Check whether the requested compression is supported and/or default to
1042 * compression if supported...
1043 */
1044
1045 if (compression && !ippContainsString(compression_sup, compression))
1046 {
1047 fprintf(stderr, "DEBUG: Printer does not support the requested "
1048 "compression value \"%s\".\n", compression);
1049 compression = NULL;
1050 }
1051 else if (!compression)
1052 {
1053 if (ippContainsString(compression_sup, "gzip"))
1054 compression = "gzip";
1055 else if (ippContainsString(compression_sup, "deflate"))
1056 compression = "deflate";
1057
1058 if (compression)
1059 fprintf(stderr, "DEBUG: Automatically using \"%s\" compression.\n",
1060 compression);
1061 }
1062 }
1063 #endif /* HAVE_LIBZ */
1064
1065 if ((copies_sup = ippFindAttribute(supported, "copies-supported",
1066 IPP_TAG_RANGE)) != NULL)
1067 {
1068 /*
1069 * Has the "copies-supported" attribute - does it have an upper
1070 * bound > 1?
1071 */
1072
1073 fprintf(stderr, "DEBUG: copies-supported=%d-%d\n",
1074 copies_sup->values[0].range.lower,
1075 copies_sup->values[0].range.upper);
1076
1077 if (copies_sup->values[0].range.upper <= 1)
1078 copies_sup = NULL; /* No */
1079 }
1080
1081 cups_version = ippFindAttribute(supported, "cups-version", IPP_TAG_TEXT);
1082
1083 if ((format_sup = ippFindAttribute(supported, "document-format-supported",
1084 IPP_TAG_MIMETYPE)) != NULL)
1085 {
1086 fprintf(stderr, "DEBUG: document-format-supported (%d values)\n",
1087 format_sup->num_values);
1088 for (i = 0; i < format_sup->num_values; i ++)
1089 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
1090 format_sup->values[i].string.text);
1091 }
1092
1093 if ((media_col_sup = ippFindAttribute(supported, "media-col-supported",
1094 IPP_TAG_KEYWORD)) != NULL)
1095 {
1096 fprintf(stderr, "DEBUG: media-col-supported (%d values)\n",
1097 media_col_sup->num_values);
1098 for (i = 0; i < media_col_sup->num_values; i ++)
1099 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
1100 media_col_sup->values[i].string.text);
1101 }
1102
1103 print_color_mode_sup = ippFindAttribute(supported, "print-color-mode-supported", IPP_TAG_KEYWORD);
1104
1105 if ((operations_sup = ippFindAttribute(supported, "operations-supported",
1106 IPP_TAG_ENUM)) != NULL)
1107 {
1108 fprintf(stderr, "DEBUG: operations-supported (%d values)\n",
1109 operations_sup->num_values);
1110 for (i = 0; i < operations_sup->num_values; i ++)
1111 fprintf(stderr, "DEBUG: [%d] = %s\n", i,
1112 ippOpString(operations_sup->values[i].integer));
1113
1114 for (i = 0; i < operations_sup->num_values; i ++)
1115 if (operations_sup->values[i].integer == IPP_PRINT_JOB)
1116 break;
1117
1118 if (i >= operations_sup->num_values)
1119 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1120 "cups-ipp-missing-print-job");
1121
1122 for (i = 0; i < operations_sup->num_values; i ++)
1123 if (operations_sup->values[i].integer == IPP_CANCEL_JOB)
1124 break;
1125
1126 if (i >= operations_sup->num_values)
1127 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1128 "cups-ipp-missing-cancel-job");
1129
1130 for (i = 0; i < operations_sup->num_values; i ++)
1131 if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES)
1132 break;
1133
1134 if (i >= operations_sup->num_values)
1135 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1136 "cups-ipp-missing-get-job-attributes");
1137
1138 for (i = 0; i < operations_sup->num_values; i ++)
1139 if (operations_sup->values[i].integer == IPP_GET_PRINTER_ATTRIBUTES)
1140 break;
1141
1142 if (i >= operations_sup->num_values)
1143 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1144 "cups-ipp-missing-get-printer-attributes");
1145
1146 for (i = 0; i < operations_sup->num_values; i ++)
1147 {
1148 if (operations_sup->values[i].integer == IPP_VALIDATE_JOB)
1149 validate_job = 1;
1150 else if (operations_sup->values[i].integer == IPP_CREATE_JOB)
1151 create_job = 1;
1152 else if (operations_sup->values[i].integer == IPP_SEND_DOCUMENT)
1153 send_document = 1;
1154 else if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES)
1155 get_job_attrs = 1;
1156 }
1157
1158 if (create_job && !send_document)
1159 {
1160 fputs("DEBUG: Printer supports Create-Job but not Send-Document.\n",
1161 stderr);
1162 create_job = 0;
1163
1164 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1165 "cups-ipp-missing-send-document");
1166 }
1167
1168 if (!validate_job)
1169 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1170 "cups-ipp-missing-validate-job");
1171 }
1172 else
1173 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1174 "cups-ipp-missing-operations-supported");
1175
1176 doc_handling_sup = ippFindAttribute(supported,
1177 "multiple-document-handling-supported",
1178 IPP_TAG_KEYWORD);
1179
1180 report_printer_state(supported);
1181 }
1182 while (!job_canceled && ipp_status > IPP_OK_CONFLICT);
1183
1184 if (job_canceled)
1185 return (CUPS_BACKEND_OK);
1186
1187 /*
1188 * See if the printer is accepting jobs and is not stopped; if either
1189 * condition is true and we are printing to a class, requeue the job...
1190 */
1191
1192 if (getenv("CLASS") != NULL)
1193 {
1194 printer_state = ippFindAttribute(supported, "printer-state",
1195 IPP_TAG_ENUM);
1196 printer_accepting = ippFindAttribute(supported, "printer-is-accepting-jobs",
1197 IPP_TAG_BOOLEAN);
1198
1199 if (printer_state == NULL ||
1200 (printer_state->values[0].integer > IPP_PRINTER_PROCESSING &&
1201 waitprinter) ||
1202 printer_accepting == NULL ||
1203 !printer_accepting->values[0].boolean)
1204 {
1205 /*
1206 * If the CLASS environment variable is set, the job was submitted
1207 * to a class and not to a specific queue. In this case, we want
1208 * to abort immediately so that the job can be requeued on the next
1209 * available printer in the class.
1210 */
1211
1212 _cupsLangPrintFilter(stderr, "INFO",
1213 _("Unable to contact printer, queuing on next "
1214 "printer in class."));
1215
1216 ippDelete(supported);
1217 httpClose(http);
1218
1219 /*
1220 * Sleep 5 seconds to keep the job from requeuing too rapidly...
1221 */
1222
1223 sleep(5);
1224
1225 return (CUPS_BACKEND_FAILED);
1226 }
1227 }
1228
1229 /*
1230 * See if the printer supports multiple copies...
1231 */
1232
1233 copies = atoi(argv[4]);
1234
1235 if (copies_sup || argc < 7)
1236 copies_remaining = 1;
1237 else
1238 copies_remaining = copies;
1239
1240 /*
1241 * Prepare remaining printing options...
1242 */
1243
1244 options = NULL;
1245
1246 if (send_options)
1247 {
1248 num_options = cupsParseOptions(argv[5], 0, &options);
1249
1250 if (!cups_version && media_col_sup)
1251 {
1252 /*
1253 * Load the PPD file and generate PWG attribute mapping information...
1254 */
1255
1256 ppd = ppdOpenFile(getenv("PPD"));
1257 pc = _ppdCacheCreateWithPPD(ppd);
1258
1259 ppdMarkDefaults(ppd);
1260 cupsMarkOptions(ppd, num_options, options);
1261 }
1262 }
1263 else
1264 num_options = 0;
1265
1266 document_format = NULL;
1267
1268 if (format_sup != NULL)
1269 {
1270 for (i = 0; i < format_sup->num_values; i ++)
1271 if (!_cups_strcasecmp(final_content_type,
1272 format_sup->values[i].string.text))
1273 {
1274 document_format = final_content_type;
1275 break;
1276 }
1277
1278 if (!document_format)
1279 {
1280 for (i = 0; i < format_sup->num_values; i ++)
1281 if (!_cups_strcasecmp("application/octet-stream",
1282 format_sup->values[i].string.text))
1283 {
1284 document_format = "application/octet-stream";
1285 break;
1286 }
1287 }
1288 }
1289
1290 fprintf(stderr, "DEBUG: final_content_type=\"%s\", document_format=\"%s\"\n",
1291 final_content_type, document_format ? document_format : "(null)");
1292
1293 /*
1294 * If the printer does not support HTTP/1.1 (which IPP requires), copy stdin
1295 * to a temporary file so that we can do a HTTP/1.0 submission...
1296 *
1297 * (I hate compatibility hacks!)
1298 */
1299
1300 if (http->version < HTTP_1_1 && num_files == 0)
1301 {
1302 if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0)
1303 {
1304 perror("DEBUG: Unable to create temporary file");
1305 return (CUPS_BACKEND_FAILED);
1306 }
1307
1308 _cupsLangPrintFilter(stderr, "INFO", _("Copying print data."));
1309
1310 if ((compatsize = write(fd, buffer, (size_t)bytes)) < 0)
1311 {
1312 perror("DEBUG: Unable to write temporary file");
1313 return (CUPS_BACKEND_FAILED);
1314 }
1315
1316 if ((bytes = backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0,
1317 backendNetworkSideCB)) < 0)
1318 return (CUPS_BACKEND_FAILED);
1319
1320 compatsize += bytes;
1321
1322 close(fd);
1323
1324 compatfile = tmpfilename;
1325 files = &compatfile;
1326 num_files = 1;
1327 }
1328 else if (http->version < HTTP_1_1 && num_files == 1)
1329 {
1330 struct stat fileinfo; /* File information */
1331
1332 if (!stat(files[0], &fileinfo))
1333 compatsize = fileinfo.st_size;
1334 }
1335
1336 /*
1337 * If the printer only claims to support IPP/1.0, or if the user specifically
1338 * included version=1.0 in the URI, then do not try to use Create-Job or
1339 * Send-Document. This is another dreaded compatibility hack, but
1340 * unfortunately there are enough broken printers out there that we need
1341 * this for now...
1342 */
1343
1344 if (version == 10)
1345 create_job = send_document = 0;
1346
1347 /*
1348 * Start monitoring the printer in the background...
1349 */
1350
1351 monitor.uri = uri;
1352 monitor.hostname = hostname;
1353 monitor.user = argv[2];
1354 monitor.resource = resource;
1355 monitor.port = port;
1356 monitor.version = version;
1357 monitor.job_id = 0;
1358 monitor.get_job_attrs = get_job_attrs;
1359 monitor.encryption = cupsEncryption();
1360 monitor.job_state = IPP_JOB_PENDING;
1361 monitor.printer_state = IPP_PRINTER_IDLE;
1362
1363 if (create_job)
1364 {
1365 monitor.job_name = argv[3];
1366 }
1367 else
1368 {
1369 snprintf(print_job_name, sizeof(print_job_name), "%s - %s", argv[1],
1370 argv[3]);
1371 monitor.job_name = print_job_name;
1372 }
1373
1374 _cupsThreadCreate((_cups_thread_func_t)monitor_printer, &monitor);
1375
1376 /*
1377 * Validate access to the printer...
1378 */
1379
1380 while (!job_canceled && validate_job)
1381 {
1382 request = new_request(IPP_VALIDATE_JOB, version, uri, argv[2],
1383 monitor.job_name, num_options, options, compression,
1384 copies_sup ? copies : 1, document_format, pc, ppd,
1385 media_col_sup, doc_handling_sup, print_color_mode_sup);
1386
1387 response = cupsDoRequest(http, request, resource);
1388
1389 ipp_status = cupsLastError();
1390
1391 fprintf(stderr, "DEBUG: Validate-Job: %s (%s)\n",
1392 ippErrorString(ipp_status), cupsLastErrorString());
1393
1394 if ((job_auth = ippFindAttribute(response, "job-authorization-uri",
1395 IPP_TAG_URI)) != NULL)
1396 num_options = cupsAddOption("job-authorization-uri",
1397 ippGetString(job_auth, 0, NULL), num_options,
1398 &options);
1399
1400 ippDelete(response);
1401
1402 if (job_canceled)
1403 break;
1404
1405 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1406 ipp_status == IPP_STATUS_ERROR_BUSY)
1407 {
1408 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1409 sleep(10);
1410 }
1411 else if (ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED ||
1412 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1413 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1414 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1415 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
1416 goto cleanup;
1417 else if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1418 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1419 {
1420 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1421 /* WWW-Authenticate field value */
1422
1423 if (!strncmp(www_auth, "Negotiate", 9))
1424 auth_info_required = "negotiate";
1425 else if (www_auth[0])
1426 auth_info_required = "username,password";
1427
1428 goto cleanup;
1429 }
1430 else if (ipp_status == IPP_STATUS_ERROR_OPERATION_NOT_SUPPORTED)
1431 {
1432 /*
1433 * This is all too common...
1434 */
1435
1436 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1437 "cups-ipp-missing-validate-job");
1438 break;
1439 }
1440 else if (ipp_status < IPP_REDIRECTION_OTHER_SITE ||
1441 ipp_status == IPP_BAD_REQUEST)
1442 break;
1443 }
1444
1445 /*
1446 * Then issue the print-job request...
1447 */
1448
1449 job_id = 0;
1450
1451 while (!job_canceled && copies_remaining > 0)
1452 {
1453 /*
1454 * Check for side-channel requests...
1455 */
1456
1457 backendCheckSideChannel(snmp_fd, http->hostaddr);
1458
1459 /*
1460 * Build the IPP job creation request...
1461 */
1462
1463 if (job_canceled)
1464 break;
1465
1466 request = new_request((num_files > 1 || create_job) ? IPP_CREATE_JOB :
1467 IPP_PRINT_JOB,
1468 version, uri, argv[2], monitor.job_name, num_options,
1469 options, compression, copies_sup ? copies : 1,
1470 document_format, pc, ppd, media_col_sup,
1471 doc_handling_sup, print_color_mode_sup);
1472
1473 /*
1474 * Do the request...
1475 */
1476
1477 if (num_files > 1 || create_job)
1478 response = cupsDoRequest(http, request, resource);
1479 else
1480 {
1481 size_t length = 0; /* Length of request */
1482
1483 if (compatsize > 0)
1484 {
1485 fputs("DEBUG: Sending file using HTTP/1.0 Content-Length...\n", stderr);
1486 length = ippLength(request) + (size_t)compatsize;
1487 }
1488 else
1489 fputs("DEBUG: Sending file using HTTP/1.1 chunking...\n", stderr);
1490
1491 http_status = cupsSendRequest(http, request, resource, length);
1492 if (http_status == HTTP_CONTINUE && request->state == IPP_DATA)
1493 {
1494 if (compression && strcmp(compression, "none"))
1495 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression);
1496
1497 if (num_files == 1)
1498 {
1499 if ((fd = open(files[0], O_RDONLY)) < 0)
1500 {
1501 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1502 return (CUPS_BACKEND_FAILED);
1503 }
1504 }
1505 else
1506 {
1507 fd = 0;
1508 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes);
1509 }
1510
1511 while (http_status == HTTP_CONTINUE &&
1512 (!job_canceled || compatsize > 0))
1513 {
1514 /*
1515 * Check for side-channel requests and more print data...
1516 */
1517
1518 FD_ZERO(&input);
1519 FD_SET(fd, &input);
1520 FD_SET(snmp_fd, &input);
1521
1522 while (select(fd > snmp_fd ? fd + 1 : snmp_fd + 1, &input, NULL, NULL,
1523 NULL) <= 0 && !job_canceled);
1524
1525 if (FD_ISSET(snmp_fd, &input))
1526 backendCheckSideChannel(snmp_fd, http->hostaddr);
1527
1528 if (FD_ISSET(fd, &input))
1529 {
1530 if ((bytes = read(fd, buffer, sizeof(buffer))) > 0)
1531 {
1532 fprintf(stderr, "DEBUG: Read %d bytes...\n", (int)bytes);
1533
1534 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes))
1535 != HTTP_CONTINUE)
1536 break;
1537 }
1538 else if (bytes == 0 || (errno != EINTR && errno != EAGAIN))
1539 break;
1540 }
1541 }
1542
1543 if (http_status == HTTP_ERROR)
1544 fprintf(stderr, "DEBUG: Error writing document data for "
1545 "Print-Job: %s\n", strerror(httpError(http)));
1546
1547 if (num_files == 1)
1548 close(fd);
1549 }
1550
1551 response = cupsGetResponse(http, resource);
1552 ippDelete(request);
1553 }
1554
1555 ipp_status = cupsLastError();
1556
1557 fprintf(stderr, "DEBUG: %s: %s (%s)\n",
1558 (num_files > 1 || create_job) ? "Create-Job" : "Print-Job",
1559 ippErrorString(ipp_status), cupsLastErrorString());
1560
1561 if (ipp_status > IPP_OK_CONFLICT)
1562 {
1563 job_id = 0;
1564
1565 if (job_canceled)
1566 break;
1567
1568 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1569 ipp_status == IPP_STATUS_ERROR_NOT_POSSIBLE ||
1570 ipp_status == IPP_STATUS_ERROR_BUSY)
1571 {
1572 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1573 sleep(10);
1574
1575 if (num_files == 0)
1576 {
1577 /*
1578 * We can't re-submit when we have no files to print, so exit
1579 * immediately with the right status code...
1580 */
1581
1582 goto cleanup;
1583 }
1584 }
1585 else if (ipp_status == IPP_STATUS_ERROR_JOB_CANCELED ||
1586 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED ||
1587 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
1588 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1589 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1590 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1591 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
1592 goto cleanup;
1593 else
1594 {
1595 /*
1596 * Update auth-info-required as needed...
1597 */
1598
1599 _cupsLangPrintFilter(stderr, "ERROR",
1600 _("Print job was not accepted."));
1601
1602 if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1603 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1604 {
1605 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1606 /* WWW-Authenticate field value */
1607
1608 if (!strncmp(www_auth, "Negotiate", 9))
1609 auth_info_required = "negotiate";
1610 else if (www_auth[0])
1611 auth_info_required = "username,password";
1612 }
1613 else if (ipp_status == IPP_REQUEST_VALUE)
1614 {
1615 /*
1616 * Print file is too large, abort this job...
1617 */
1618
1619 goto cleanup;
1620 }
1621 else
1622 sleep(10);
1623
1624 if (num_files == 0)
1625 {
1626 /*
1627 * We can't re-submit when we have no files to print, so exit
1628 * immediately with the right status code...
1629 */
1630
1631 goto cleanup;
1632 }
1633 }
1634 }
1635 else if ((job_id_attr = ippFindAttribute(response, "job-id",
1636 IPP_TAG_INTEGER)) == NULL)
1637 {
1638 fputs("DEBUG: Print job accepted - job ID unknown.\n", stderr);
1639 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1640 "cups-ipp-missing-job-id");
1641 job_id = 0;
1642 }
1643 else
1644 {
1645 password_tries = 0;
1646 monitor.job_id = job_id = job_id_attr->values[0].integer;
1647 fprintf(stderr, "DEBUG: Print job accepted - job ID %d.\n", job_id);
1648 }
1649
1650 ippDelete(response);
1651
1652 if (job_canceled)
1653 break;
1654
1655 if (job_id && (num_files > 1 || create_job))
1656 {
1657 for (i = 0; num_files == 0 || i < num_files; i ++)
1658 {
1659 /*
1660 * Check for side-channel requests...
1661 */
1662
1663 backendCheckSideChannel(snmp_fd, http->hostaddr);
1664
1665 /*
1666 * Send the next file in the job...
1667 */
1668
1669 request = ippNewRequest(IPP_SEND_DOCUMENT);
1670 ippSetVersion(request, version / 10, version % 10);
1671
1672 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
1673 NULL, uri);
1674
1675 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
1676 job_id);
1677
1678 if (argv[2][0])
1679 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1680 "requesting-user-name", NULL, argv[2]);
1681
1682 ippAddBoolean(request, IPP_TAG_OPERATION, "last-document",
1683 (i + 1) >= num_files);
1684
1685 if (document_format)
1686 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
1687 "document-format", NULL, document_format);
1688
1689 if (compression)
1690 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1691 "compression", NULL, compression);
1692
1693 fprintf(stderr, "DEBUG: Sending file %d using chunking...\n", i + 1);
1694 http_status = cupsSendRequest(http, request, resource, 0);
1695 if (http_status == HTTP_CONTINUE && request->state == IPP_DATA)
1696 {
1697 if (compression && strcmp(compression, "none"))
1698 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression);
1699
1700 if (num_files == 0)
1701 {
1702 fd = 0;
1703 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes);
1704 }
1705 else
1706 {
1707 if ((fd = open(files[i], O_RDONLY)) < 0)
1708 {
1709 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1710 return (CUPS_BACKEND_FAILED);
1711 }
1712 }
1713 }
1714 else
1715 fd = -1;
1716
1717 if (fd >= 0)
1718 {
1719 while (!job_canceled && http_status == HTTP_CONTINUE &&
1720 (bytes = read(fd, buffer, sizeof(buffer))) > 0)
1721 {
1722 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes))
1723 != HTTP_CONTINUE)
1724 break;
1725 else
1726 {
1727 /*
1728 * Check for side-channel requests...
1729 */
1730
1731 backendCheckSideChannel(snmp_fd, http->hostaddr);
1732 }
1733 }
1734
1735 if (fd > 0)
1736 close(fd);
1737 }
1738
1739 if (http_status == HTTP_ERROR)
1740 fprintf(stderr, "DEBUG: Error writing document data for "
1741 "Send-Document: %s\n", strerror(httpError(http)));
1742
1743 ippDelete(cupsGetResponse(http, resource));
1744 ippDelete(request);
1745
1746 fprintf(stderr, "DEBUG: Send-Document: %s (%s)\n",
1747 ippErrorString(cupsLastError()), cupsLastErrorString());
1748
1749 if (cupsLastError() > IPP_OK_CONFLICT)
1750 {
1751 ipp_status = cupsLastError();
1752
1753 _cupsLangPrintFilter(stderr, "ERROR",
1754 _("Unable to add document to print job."));
1755 break;
1756 }
1757 else
1758 {
1759 password_tries = 0;
1760
1761 if (num_files == 0 || fd < 0)
1762 break;
1763 }
1764 }
1765 }
1766
1767 if (ipp_status <= IPP_OK_CONFLICT && argc > 6)
1768 {
1769 fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1);
1770 copies_remaining --;
1771 }
1772 else if ((ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_ERROR || ipp_status == IPP_STATUS_ERROR_DOCUMENT_UNPRINTABLE) &&
1773 argc == 6 &&
1774 document_format && strcmp(document_format, "image/pwg-raster") && strcmp(document_format, "image/urf"))
1775 {
1776 /*
1777 * Need to reprocess the job as raster...
1778 */
1779
1780 fputs("JOBSTATE: cups-retry-as-raster\n", stderr);
1781 if (job_id > 0)
1782 cancel_job(http, uri, job_id, resource, argv[2], version);
1783
1784 goto cleanup;
1785 }
1786 else if (ipp_status == IPP_SERVICE_UNAVAILABLE ||
1787 ipp_status == IPP_NOT_POSSIBLE ||
1788 ipp_status == IPP_PRINTER_BUSY)
1789 {
1790 if (argc == 6)
1791 {
1792 /*
1793 * Need to reprocess the entire job; if we have a job ID, cancel the
1794 * job first...
1795 */
1796
1797 if (job_id > 0)
1798 cancel_job(http, uri, job_id, resource, argv[2], version);
1799
1800 goto cleanup;
1801 }
1802 continue;
1803 }
1804 else if (ipp_status == IPP_REQUEST_VALUE ||
1805 ipp_status == IPP_ERROR_JOB_CANCELED ||
1806 ipp_status == IPP_NOT_AUTHORIZED ||
1807 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1808 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1809 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1810 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED ||
1811 ipp_status == IPP_INTERNAL_ERROR)
1812 {
1813 /*
1814 * Print file is too large, job was canceled, we need new
1815 * authentication data, or we had some sort of error...
1816 */
1817
1818 goto cleanup;
1819 }
1820 else if (ipp_status == IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED)
1821 {
1822 /*
1823 * Server is configured incorrectly; the policy for Create-Job and
1824 * Send-Document has to be the same (auth or no auth, encryption or
1825 * no encryption). Force the queue to stop since printing will never
1826 * work.
1827 */
1828
1829 fputs("DEBUG: The server or printer is configured incorrectly.\n",
1830 stderr);
1831 fputs("DEBUG: The policy for Create-Job and Send-Document must have the "
1832 "same authentication and encryption requirements.\n", stderr);
1833
1834 ipp_status = IPP_STATUS_ERROR_INTERNAL;
1835
1836 if (job_id > 0)
1837 cancel_job(http, uri, job_id, resource, argv[2], version);
1838
1839 goto cleanup;
1840 }
1841 else if (ipp_status == IPP_NOT_FOUND)
1842 {
1843 /*
1844 * Printer does not actually implement support for Create-Job/
1845 * Send-Document, so log the conformance issue and stop the printer.
1846 */
1847
1848 fputs("DEBUG: This printer claims to support Create-Job and "
1849 "Send-Document, but those operations failed.\n", stderr);
1850 fputs("DEBUG: Add '?version=1.0' to the device URI to use legacy "
1851 "compatibility mode.\n", stderr);
1852 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1853 "cups-ipp-missing-send-document");
1854
1855 ipp_status = IPP_INTERNAL_ERROR; /* Force queue to stop */
1856
1857 goto cleanup;
1858 }
1859 else
1860 copies_remaining --;
1861
1862 /*
1863 * Wait for the job to complete...
1864 */
1865
1866 if (!job_id || !waitjob || !get_job_attrs)
1867 continue;
1868
1869 fputs("STATE: +cups-waiting-for-job-completed\n", stderr);
1870
1871 _cupsLangPrintFilter(stderr, "INFO", _("Waiting for job to complete."));
1872
1873 for (delay = _cupsNextDelay(0, &prev_delay); !job_canceled;)
1874 {
1875 /*
1876 * Check for side-channel requests...
1877 */
1878
1879 backendCheckSideChannel(snmp_fd, http->hostaddr);
1880
1881 /*
1882 * Check printer state...
1883 */
1884
1885 check_printer_state(http, uri, resource, argv[2], version);
1886
1887 if (cupsLastError() <= IPP_OK_CONFLICT)
1888 password_tries = 0;
1889
1890 /*
1891 * Build an IPP_GET_JOB_ATTRIBUTES request...
1892 */
1893
1894 request = ippNewRequest(IPP_GET_JOB_ATTRIBUTES);
1895 ippSetVersion(request, version / 10, version % 10);
1896
1897 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
1898 NULL, uri);
1899
1900 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
1901 job_id);
1902
1903 if (argv[2][0])
1904 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1905 "requesting-user-name", NULL, argv[2]);
1906
1907 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1908 "requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]),
1909 NULL, jattrs);
1910
1911 /*
1912 * Do the request...
1913 */
1914
1915 httpReconnect(http);
1916 response = cupsDoRequest(http, request, resource);
1917 ipp_status = cupsLastError();
1918
1919 if (ipp_status == IPP_NOT_FOUND || ipp_status == IPP_NOT_POSSIBLE)
1920 {
1921 /*
1922 * Job has gone away and/or the server has no job history...
1923 */
1924
1925 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1926 "cups-ipp-missing-job-history");
1927 ippDelete(response);
1928
1929 ipp_status = IPP_OK;
1930 break;
1931 }
1932
1933 fprintf(stderr, "DEBUG: Get-Job-Attributes: %s (%s)\n",
1934 ippErrorString(ipp_status), cupsLastErrorString());
1935
1936 if (ipp_status <= IPP_OK_CONFLICT)
1937 password_tries = 0;
1938 else
1939 {
1940 if (ipp_status != IPP_SERVICE_UNAVAILABLE &&
1941 ipp_status != IPP_PRINTER_BUSY)
1942 {
1943 ippDelete(response);
1944 ipp_status = IPP_OK;
1945 break;
1946 }
1947 else if (ipp_status == IPP_INTERNAL_ERROR)
1948 {
1949 waitjob_tries ++;
1950
1951 if (waitjob_tries > 4)
1952 {
1953 ippDelete(response);
1954 ipp_status = IPP_OK;
1955 break;
1956 }
1957 }
1958 }
1959
1960 if (response)
1961 {
1962 if ((job_state = ippFindAttribute(response, "job-state",
1963 IPP_TAG_ENUM)) != NULL)
1964 {
1965 /*
1966 * Reflect the remote job state in the local queue...
1967 */
1968
1969 if (cups_version &&
1970 job_state->values[0].integer >= IPP_JOB_PENDING &&
1971 job_state->values[0].integer <= IPP_JOB_COMPLETED)
1972 update_reasons(NULL,
1973 remote_job_states[job_state->values[0].integer -
1974 IPP_JOB_PENDING]);
1975
1976 if ((job_sheets = ippFindAttribute(response,
1977 "job-media-sheets-completed",
1978 IPP_TAG_INTEGER)) == NULL)
1979 job_sheets = ippFindAttribute(response,
1980 "job-impressions-completed",
1981 IPP_TAG_INTEGER);
1982
1983 if (job_sheets)
1984 fprintf(stderr, "PAGE: total %d\n",
1985 job_sheets->values[0].integer);
1986
1987 /*
1988 * Stop polling if the job is finished or pending-held...
1989 */
1990
1991 if (job_state->values[0].integer > IPP_JOB_STOPPED)
1992 {
1993 ippDelete(response);
1994 break;
1995 }
1996 }
1997 else if (ipp_status != IPP_SERVICE_UNAVAILABLE &&
1998 ipp_status != IPP_NOT_POSSIBLE &&
1999 ipp_status != IPP_PRINTER_BUSY)
2000 {
2001 /*
2002 * If the printer does not return a job-state attribute, it does not
2003 * conform to the IPP specification - break out immediately and fail
2004 * the job...
2005 */
2006
2007 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
2008 "cups-ipp-missing-job-state");
2009 ipp_status = IPP_INTERNAL_ERROR;
2010 break;
2011 }
2012 }
2013
2014 ippDelete(response);
2015
2016 /*
2017 * Wait before polling again...
2018 */
2019
2020 sleep((unsigned)delay);
2021
2022 delay = _cupsNextDelay(delay, &prev_delay);
2023 }
2024 }
2025
2026 /*
2027 * Cancel the job as needed...
2028 */
2029
2030 if (job_canceled > 0 && job_id > 0)
2031 {
2032 cancel_job(http, uri, job_id, resource, argv[2], version);
2033
2034 if (cupsLastError() > IPP_OK_CONFLICT)
2035 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
2036 }
2037
2038 /*
2039 * Check the printer state and report it if necessary...
2040 */
2041
2042 check_printer_state(http, uri, resource, argv[2], version);
2043
2044 if (cupsLastError() <= IPP_OK_CONFLICT)
2045 password_tries = 0;
2046
2047 /*
2048 * Collect the final page count as needed...
2049 */
2050
2051 if (have_supplies &&
2052 !backendSNMPSupplies(snmp_fd, &(http->addrlist->addr), &page_count,
2053 NULL) &&
2054 page_count > start_count)
2055 fprintf(stderr, "PAGE: total %d\n", page_count - start_count);
2056
2057 #ifdef HAVE_GSSAPI
2058 /*
2059 * See if we used Kerberos at all...
2060 */
2061
2062 if (http->gssctx)
2063 auth_info_required = "negotiate";
2064 #endif /* HAVE_GSSAPI */
2065
2066 /*
2067 * Free memory...
2068 */
2069
2070 cleanup:
2071
2072 cupsFreeOptions(num_options, options);
2073 _ppdCacheDestroy(pc);
2074 ppdClose(ppd);
2075
2076 httpClose(http);
2077
2078 ippDelete(supported);
2079
2080 /*
2081 * Remove the temporary file(s) if necessary...
2082 */
2083
2084 if (tmpfilename[0])
2085 unlink(tmpfilename);
2086
2087 /*
2088 * Return the queue status...
2089 */
2090
2091 if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN ||
2092 ipp_status == IPP_AUTHENTICATION_CANCELED ||
2093 ipp_status <= IPP_OK_CONFLICT)
2094 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
2095
2096 if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED)
2097 fputs("JOBSTATE: account-info-needed\n", stderr);
2098 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED)
2099 fputs("JOBSTATE: account-closed\n", stderr);
2100 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED)
2101 fputs("JOBSTATE: account-limit-reached\n", stderr);
2102 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
2103 fputs("JOBSTATE: account-authorization-failed\n", stderr);
2104
2105 if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN ||
2106 ipp_status == IPP_AUTHENTICATION_CANCELED)
2107 return (CUPS_BACKEND_AUTH_REQUIRED);
2108 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
2109 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
2110 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
2111 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
2112 return (CUPS_BACKEND_HOLD);
2113 else if (ipp_status == IPP_INTERNAL_ERROR)
2114 return (CUPS_BACKEND_STOP);
2115 else if (ipp_status == IPP_CONFLICT)
2116 return (CUPS_BACKEND_FAILED);
2117 else if (ipp_status == IPP_REQUEST_VALUE ||
2118 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
2119 ipp_status == IPP_DOCUMENT_FORMAT || job_canceled < 0)
2120 {
2121 if (ipp_status == IPP_REQUEST_VALUE)
2122 _cupsLangPrintFilter(stderr, "ERROR", _("Print job too large."));
2123 else if (ipp_status == IPP_DOCUMENT_FORMAT)
2124 _cupsLangPrintFilter(stderr, "ERROR",
2125 _("Printer cannot print supplied content."));
2126 else if (ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES)
2127 _cupsLangPrintFilter(stderr, "ERROR",
2128 _("Printer cannot print with supplied options."));
2129 else
2130 _cupsLangPrintFilter(stderr, "ERROR", _("Print job canceled at printer."));
2131
2132 return (CUPS_BACKEND_CANCEL);
2133 }
2134 else if (ipp_status > IPP_OK_CONFLICT && ipp_status != IPP_ERROR_JOB_CANCELED)
2135 return (CUPS_BACKEND_RETRY_CURRENT);
2136 else
2137 return (CUPS_BACKEND_OK);
2138 }
2139
2140
2141 /*
2142 * 'cancel_job()' - Cancel a print job.
2143 */
2144
2145 static void
2146 cancel_job(http_t *http, /* I - HTTP connection */
2147 const char *uri, /* I - printer-uri */
2148 int id, /* I - job-id */
2149 const char *resource, /* I - Resource path */
2150 const char *user, /* I - requesting-user-name */
2151 int version) /* I - IPP version */
2152 {
2153 ipp_t *request; /* Cancel-Job request */
2154
2155
2156 _cupsLangPrintFilter(stderr, "INFO", _("Canceling print job."));
2157
2158 request = ippNewRequest(IPP_CANCEL_JOB);
2159 ippSetVersion(request, version / 10, version % 10);
2160
2161 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2162 NULL, uri);
2163 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", id);
2164
2165 if (user && user[0])
2166 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2167 "requesting-user-name", NULL, user);
2168
2169 /*
2170 * Do the request...
2171 */
2172
2173 ippDelete(cupsDoRequest(http, request, resource));
2174 }
2175
2176
2177 /*
2178 * 'check_printer_state()' - Check the printer state.
2179 */
2180
2181 static ipp_pstate_t /* O - Current printer-state */
2182 check_printer_state(
2183 http_t *http, /* I - HTTP connection */
2184 const char *uri, /* I - Printer URI */
2185 const char *resource, /* I - Resource path */
2186 const char *user, /* I - Username, if any */
2187 int version) /* I - IPP version */
2188 {
2189 ipp_t *request, /* IPP request */
2190 *response; /* IPP response */
2191 ipp_attribute_t *attr; /* Attribute in response */
2192 ipp_pstate_t printer_state = IPP_PRINTER_STOPPED;
2193 /* Current printer-state */
2194
2195
2196 /*
2197 * Send a Get-Printer-Attributes request and log the results...
2198 */
2199
2200 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
2201 ippSetVersion(request, version / 10, version % 10);
2202
2203 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2204 NULL, uri);
2205
2206 if (user && user[0])
2207 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2208 "requesting-user-name", NULL, user);
2209
2210 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2211 "requested-attributes",
2212 (int)(sizeof(pattrs) / sizeof(pattrs[0])), NULL, pattrs);
2213
2214 if ((response = cupsDoRequest(http, request, resource)) != NULL)
2215 {
2216 report_printer_state(response);
2217
2218 if ((attr = ippFindAttribute(response, "printer-state",
2219 IPP_TAG_ENUM)) != NULL)
2220 printer_state = (ipp_pstate_t)attr->values[0].integer;
2221
2222 ippDelete(response);
2223 }
2224
2225 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
2226 ippErrorString(cupsLastError()), cupsLastErrorString());
2227
2228 /*
2229 * Return the printer-state value...
2230 */
2231
2232 return (printer_state);
2233 }
2234
2235
2236 /*
2237 * 'monitor_printer()' - Monitor the printer state.
2238 */
2239
2240 static void * /* O - Thread exit code */
2241 monitor_printer(
2242 _cups_monitor_t *monitor) /* I - Monitoring data */
2243 {
2244 http_t *http; /* Connection to printer */
2245 ipp_t *request, /* IPP request */
2246 *response; /* IPP response */
2247 ipp_attribute_t *attr; /* Attribute in response */
2248 int delay, /* Current delay */
2249 prev_delay; /* Previous delay */
2250 ipp_op_t job_op; /* Operation to use */
2251 int job_id; /* Job ID */
2252 const char *job_name; /* Job name */
2253 ipp_jstate_t job_state; /* Job state */
2254 const char *job_user; /* Job originating user name */
2255 int password_tries = 0; /* Password tries */
2256
2257
2258 /*
2259 * Make a copy of the printer connection...
2260 */
2261
2262 http = httpConnect2(monitor->hostname, monitor->port, NULL, AF_UNSPEC,
2263 monitor->encryption, 1, 0, NULL);
2264 httpSetTimeout(http, 30.0, timeout_cb, NULL);
2265 if (username[0])
2266 cupsSetUser(username);
2267
2268 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries);
2269
2270 /*
2271 * Loop until the job is canceled, aborted, or completed.
2272 */
2273
2274 delay = _cupsNextDelay(0, &prev_delay);
2275
2276 monitor->job_reasons = 0;
2277
2278 while (monitor->job_state < IPP_JOB_CANCELED && !job_canceled)
2279 {
2280 /*
2281 * Reconnect to the printer...
2282 */
2283
2284 if (!httpReconnect(http))
2285 {
2286 /*
2287 * Connected, so check on the printer state...
2288 */
2289
2290 monitor->printer_state = check_printer_state(http, monitor->uri,
2291 monitor->resource,
2292 monitor->user,
2293 monitor->version);
2294 if (cupsLastError() <= IPP_OK_CONFLICT)
2295 password_tries = 0;
2296
2297 /*
2298 * Check the status of the job itself...
2299 */
2300
2301 job_op = (monitor->job_id > 0 && monitor->get_job_attrs) ?
2302 IPP_GET_JOB_ATTRIBUTES : IPP_GET_JOBS;
2303 request = ippNewRequest(job_op);
2304 ippSetVersion(request, monitor->version / 10, monitor->version % 10);
2305
2306 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2307 NULL, monitor->uri);
2308 if (job_op == IPP_GET_JOB_ATTRIBUTES)
2309 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
2310 monitor->job_id);
2311
2312 if (monitor->user && monitor->user[0])
2313 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2314 "requesting-user-name", NULL, monitor->user);
2315
2316 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2317 "requested-attributes",
2318 (int)(sizeof(jattrs) / sizeof(jattrs[0])), NULL, jattrs);
2319
2320 /*
2321 * Do the request...
2322 */
2323
2324 response = cupsDoRequest(http, request, monitor->resource);
2325
2326 fprintf(stderr, "DEBUG: (monitor) %s: %s (%s)\n", ippOpString(job_op),
2327 ippErrorString(cupsLastError()), cupsLastErrorString());
2328
2329 if (cupsLastError() <= IPP_OK_CONFLICT)
2330 password_tries = 0;
2331
2332 if (job_op == IPP_GET_JOB_ATTRIBUTES)
2333 {
2334 if ((attr = ippFindAttribute(response, "job-state",
2335 IPP_TAG_ENUM)) != NULL)
2336 monitor->job_state = (ipp_jstate_t)attr->values[0].integer;
2337 else
2338 monitor->job_state = IPP_JOB_COMPLETED;
2339 }
2340 else if (response)
2341 {
2342 for (attr = response->attrs; attr; attr = attr->next)
2343 {
2344 job_id = 0;
2345 job_name = NULL;
2346 job_state = IPP_JOB_PENDING;
2347 job_user = NULL;
2348
2349 while (attr && attr->group_tag != IPP_TAG_JOB)
2350 attr = attr->next;
2351
2352 if (!attr)
2353 break;
2354
2355 while (attr && attr->group_tag == IPP_TAG_JOB)
2356 {
2357 if (!strcmp(attr->name, "job-id") &&
2358 attr->value_tag == IPP_TAG_INTEGER)
2359 job_id = attr->values[0].integer;
2360 else if (!strcmp(attr->name, "job-name") &&
2361 (attr->value_tag == IPP_TAG_NAME ||
2362 attr->value_tag == IPP_TAG_NAMELANG))
2363 job_name = attr->values[0].string.text;
2364 else if (!strcmp(attr->name, "job-state") &&
2365 attr->value_tag == IPP_TAG_ENUM)
2366 job_state = (ipp_jstate_t)attr->values[0].integer;
2367 else if (!strcmp(attr->name, "job-originating-user-name") &&
2368 (attr->value_tag == IPP_TAG_NAME ||
2369 attr->value_tag == IPP_TAG_NAMELANG))
2370 job_user = attr->values[0].string.text;
2371
2372 attr = attr->next;
2373 }
2374
2375 if (job_id > 0 && job_name && !strcmp(job_name, monitor->job_name) &&
2376 job_user && monitor->user && !strcmp(job_user, monitor->user))
2377 {
2378 monitor->job_id = job_id;
2379 monitor->job_state = job_state;
2380 break;
2381 }
2382
2383 if (!attr)
2384 break;
2385 }
2386 }
2387
2388 if ((attr = ippFindAttribute(response, "job-state-reasons",
2389 IPP_TAG_KEYWORD)) != NULL)
2390 {
2391 int i, new_reasons = 0; /* Looping var, new reasons */
2392
2393 for (i = 0; i < attr->num_values; i ++)
2394 {
2395 if (!strcmp(attr->values[i].string.text,
2396 "account-authorization-failed"))
2397 new_reasons |= _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED;
2398 else if (!strcmp(attr->values[i].string.text, "account-closed"))
2399 new_reasons |= _CUPS_JSR_ACCOUNT_CLOSED;
2400 else if (!strcmp(attr->values[i].string.text, "account-info-needed"))
2401 new_reasons |= _CUPS_JSR_ACCOUNT_INFO_NEEDED;
2402 else if (!strcmp(attr->values[i].string.text,
2403 "account-limit-reached"))
2404 new_reasons |= _CUPS_JSR_ACCOUNT_LIMIT_REACHED;
2405 else if (!strcmp(attr->values[i].string.text, "job-password-wait"))
2406 new_reasons |= _CUPS_JSR_JOB_PASSWORD_WAIT;
2407 else if (!strcmp(attr->values[i].string.text, "job-release-wait"))
2408 new_reasons |= _CUPS_JSR_JOB_RELEASE_WAIT;
2409 }
2410
2411 if (new_reasons != monitor->job_reasons)
2412 {
2413 if (new_reasons & _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED)
2414 fputs("JOBSTATE: account-authorization-failed\n", stderr);
2415 else if (new_reasons & _CUPS_JSR_ACCOUNT_CLOSED)
2416 fputs("JOBSTATE: account-closed\n", stderr);
2417 else if (new_reasons & _CUPS_JSR_ACCOUNT_INFO_NEEDED)
2418 fputs("JOBSTATE: account-info-needed\n", stderr);
2419 else if (new_reasons & _CUPS_JSR_ACCOUNT_LIMIT_REACHED)
2420 fputs("JOBSTATE: account-limit-reached\n", stderr);
2421 else if (new_reasons & _CUPS_JSR_JOB_PASSWORD_WAIT)
2422 fputs("JOBSTATE: job-password-wait\n", stderr);
2423 else if (new_reasons & _CUPS_JSR_JOB_RELEASE_WAIT)
2424 fputs("JOBSTATE: job-release-wait\n", stderr);
2425 else
2426 fputs("JOBSTATE: job-printing\n", stderr);
2427
2428 monitor->job_reasons = new_reasons;
2429 }
2430 }
2431
2432 ippDelete(response);
2433
2434 fprintf(stderr, "DEBUG: (monitor) job-state=%s\n",
2435 ippEnumString("job-state", monitor->job_state));
2436
2437 if (!job_canceled &&
2438 (monitor->job_state == IPP_JOB_CANCELED ||
2439 monitor->job_state == IPP_JOB_ABORTED))
2440 job_canceled = -1;
2441
2442 /*
2443 * Disconnect from the printer - we'll reconnect on the next poll...
2444 */
2445
2446 _httpDisconnect(http);
2447 }
2448
2449 /*
2450 * Sleep for N seconds...
2451 */
2452
2453 sleep((unsigned)delay);
2454
2455 delay = _cupsNextDelay(delay, &prev_delay);
2456 }
2457
2458 /*
2459 * Cancel the job if necessary...
2460 */
2461
2462 if (job_canceled > 0 && monitor->job_id > 0)
2463 {
2464 if (!httpReconnect(http))
2465 {
2466 cancel_job(http, monitor->uri, monitor->job_id, monitor->resource,
2467 monitor->user, monitor->version);
2468
2469 if (cupsLastError() > IPP_OK_CONFLICT)
2470 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
2471 }
2472 }
2473
2474 /*
2475 * Cleanup and return...
2476 */
2477
2478 httpClose(http);
2479
2480 return (NULL);
2481 }
2482
2483
2484 /*
2485 * 'new_request()' - Create a new print creation or validation request.
2486 */
2487
2488 static ipp_t * /* O - Request data */
2489 new_request(
2490 ipp_op_t op, /* I - IPP operation code */
2491 int version, /* I - IPP version number */
2492 const char *uri, /* I - printer-uri value */
2493 const char *user, /* I - requesting-user-name value */
2494 const char *title, /* I - job-name value */
2495 int num_options, /* I - Number of options to send */
2496 cups_option_t *options, /* I - Options to send */
2497 const char *compression, /* I - compression value or NULL */
2498 int copies, /* I - copies value or 0 */
2499 const char *format, /* I - document-format value or NULL */
2500 _ppd_cache_t *pc, /* I - PPD cache and mapping data */
2501 ppd_file_t *ppd, /* I - PPD file data */
2502 ipp_attribute_t *media_col_sup, /* I - media-col-supported values */
2503 ipp_attribute_t *doc_handling_sup, /* I - multiple-document-handling-supported values */
2504 ipp_attribute_t *print_color_mode_sup)
2505 /* I - Printer supports print-color-mode */
2506 {
2507 int i; /* Looping var */
2508 ipp_t *request; /* Request data */
2509 const char *keyword; /* PWG keyword */
2510 _pwg_size_t *size; /* PWG media size */
2511 ipp_t *media_col, /* media-col value */
2512 *media_size; /* media-size value */
2513 const char *media_source, /* media-source value */
2514 *media_type, /* media-type value */
2515 *collate_str, /* multiple-document-handling value */
2516 *mandatory; /* Mandatory attributes */
2517 ipp_tag_t group; /* Current group */
2518 ipp_attribute_t *attr; /* Current attribute */
2519 const char *color_attr_name; /* Supported color attribute */
2520 char buffer[1024]; /* Value buffer */
2521
2522
2523 /*
2524 * Create the IPP request...
2525 */
2526
2527 request = ippNewRequest(op);
2528 ippSetVersion(request, version / 10, version % 10);
2529
2530 fprintf(stderr, "DEBUG: %s IPP/%d.%d\n",
2531 ippOpString(request->request.op.operation_id),
2532 request->request.op.version[0],
2533 request->request.op.version[1]);
2534
2535 /*
2536 * Add standard attributes...
2537 */
2538
2539 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2540 NULL, uri);
2541 fprintf(stderr, "DEBUG: printer-uri=\"%s\"\n", uri);
2542
2543 if (user && *user)
2544 {
2545 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2546 "requesting-user-name", NULL, user);
2547 fprintf(stderr, "DEBUG: requesting-user-name=\"%s\"\n", user);
2548 }
2549
2550 if (title && *title)
2551 {
2552 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
2553 title);
2554 fprintf(stderr, "DEBUG: job-name=\"%s\"\n", title);
2555 }
2556
2557 if (format && op != IPP_CREATE_JOB)
2558 {
2559 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
2560 "document-format", NULL, format);
2561 fprintf(stderr, "DEBUG: document-format=\"%s\"\n", format);
2562 }
2563
2564 #ifdef HAVE_LIBZ
2565 if (compression && op != IPP_OP_CREATE_JOB && op != IPP_OP_VALIDATE_JOB)
2566 {
2567 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2568 "compression", NULL, compression);
2569 fprintf(stderr, "DEBUG: compression=\"%s\"\n", compression);
2570 }
2571 #endif /* HAVE_LIBZ */
2572
2573 /*
2574 * Handle options on the command-line...
2575 */
2576
2577 if (num_options > 0)
2578 {
2579 if (pc)
2580 {
2581 int num_finishings = 0, /* Number of finishing values */
2582 finishings[10]; /* Finishing enum values */
2583 ppd_choice_t *choice; /* Marked choice */
2584
2585 /*
2586 * Send standard IPP attributes...
2587 */
2588
2589 fputs("DEBUG: Adding standard IPP operation/job attributes.\n", stderr);
2590
2591 if (pc->password &&
2592 (keyword = cupsGetOption("job-password", num_options,
2593 options)) != NULL)
2594 {
2595 ippAddOctetString(request, IPP_TAG_OPERATION, "job-password", keyword, (int)strlen(keyword));
2596
2597 if ((keyword = cupsGetOption("job-password-encryption", num_options,
2598 options)) == NULL)
2599 keyword = "none";
2600
2601 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2602 "job-password-encryption", NULL, keyword);
2603 }
2604
2605 if (pc->account_id)
2606 {
2607 if ((keyword = cupsGetOption("job-account-id", num_options,
2608 options)) == NULL)
2609 keyword = cupsGetOption("job-billing", num_options, options);
2610
2611 if (keyword)
2612 ippAddString(request, IPP_TAG_JOB, IPP_TAG_NAME, "job-account-id",
2613 NULL, keyword);
2614 }
2615
2616 if (pc->accounting_user_id)
2617 {
2618 if ((keyword = cupsGetOption("job-accounting-user-id", num_options,
2619 options)) == NULL)
2620 keyword = user;
2621
2622 if (keyword)
2623 ippAddString(request, IPP_TAG_JOB, IPP_TAG_NAME,
2624 "job-accounting-user-id", NULL, keyword);
2625 }
2626
2627 for (mandatory = (char *)cupsArrayFirst(pc->mandatory);
2628 mandatory;
2629 mandatory = (char *)cupsArrayNext(pc->mandatory))
2630 {
2631 if (strcmp(mandatory, "copies") &&
2632 strcmp(mandatory, "destination-uris") &&
2633 strcmp(mandatory, "finishings") &&
2634 strcmp(mandatory, "job-account-id") &&
2635 strcmp(mandatory, "job-accounting-user-id") &&
2636 strcmp(mandatory, "job-password") &&
2637 strcmp(mandatory, "job-password-encryption") &&
2638 strcmp(mandatory, "media") &&
2639 strncmp(mandatory, "media-col", 9) &&
2640 strcmp(mandatory, "multiple-document-handling") &&
2641 strcmp(mandatory, "output-bin") &&
2642 strcmp(mandatory, "print-color-mode") &&
2643 strcmp(mandatory, "print-quality") &&
2644 strcmp(mandatory, "sides") &&
2645 (keyword = cupsGetOption(mandatory, num_options, options)) != NULL)
2646 {
2647 _ipp_option_t *opt = _ippFindOption(mandatory);
2648 /* Option type */
2649 ipp_tag_t value_tag = opt ? opt->value_tag : IPP_TAG_NAME;
2650 /* Value type */
2651
2652 switch (value_tag)
2653 {
2654 case IPP_TAG_INTEGER :
2655 case IPP_TAG_ENUM :
2656 ippAddInteger(request, IPP_TAG_JOB, value_tag, mandatory,
2657 atoi(keyword));
2658 break;
2659 case IPP_TAG_BOOLEAN :
2660 ippAddBoolean(request, IPP_TAG_JOB, mandatory,
2661 !_cups_strcasecmp(keyword, "true"));
2662 break;
2663 case IPP_TAG_RANGE :
2664 {
2665 int lower, upper; /* Range */
2666
2667 if (sscanf(keyword, "%d-%d", &lower, &upper) != 2)
2668 lower = upper = atoi(keyword);
2669
2670 ippAddRange(request, IPP_TAG_JOB, mandatory, lower, upper);
2671 }
2672 break;
2673 case IPP_TAG_STRING :
2674 ippAddOctetString(request, IPP_TAG_JOB, mandatory, keyword, (int)strlen(keyword));
2675 break;
2676 default :
2677 if (!strcmp(mandatory, "print-color-mode") && !strcmp(keyword, "monochrome"))
2678 {
2679 if (ippContainsString(print_color_mode_sup, "auto-monochrome"))
2680 keyword = "auto-monochrome";
2681 else if (ippContainsString(print_color_mode_sup, "process-monochrome") && !ippContainsString(print_color_mode_sup, "monochrome"))
2682 keyword = "process-monochrome";
2683 }
2684
2685 ippAddString(request, IPP_TAG_JOB, value_tag, mandatory,
2686 NULL, keyword);
2687 break;
2688 }
2689 }
2690 }
2691
2692 if ((keyword = cupsGetOption("PageSize", num_options, options)) == NULL)
2693 keyword = cupsGetOption("media", num_options, options);
2694
2695 if ((size = _ppdCacheGetSize(pc, keyword)) != NULL)
2696 {
2697 /*
2698 * Add a media-col value...
2699 */
2700
2701 media_size = ippNew();
2702 ippAddInteger(media_size, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2703 "x-dimension", size->width);
2704 ippAddInteger(media_size, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2705 "y-dimension", size->length);
2706
2707 media_col = ippNew();
2708 ippAddCollection(media_col, IPP_TAG_ZERO, "media-size", media_size);
2709
2710 media_source = _ppdCacheGetSource(pc, cupsGetOption("InputSlot",
2711 num_options,
2712 options));
2713 media_type = _ppdCacheGetType(pc, cupsGetOption("MediaType",
2714 num_options,
2715 options));
2716
2717 for (i = 0; i < media_col_sup->num_values; i ++)
2718 {
2719 if (!strcmp(media_col_sup->values[i].string.text,
2720 "media-left-margin"))
2721 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2722 "media-left-margin", size->left);
2723 else if (!strcmp(media_col_sup->values[i].string.text,
2724 "media-bottom-margin"))
2725 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2726 "media-bottom-margin", size->bottom);
2727 else if (!strcmp(media_col_sup->values[i].string.text,
2728 "media-right-margin"))
2729 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2730 "media-right-margin", size->right);
2731 else if (!strcmp(media_col_sup->values[i].string.text,
2732 "media-top-margin"))
2733 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2734 "media-top-margin", size->top);
2735 else if (!strcmp(media_col_sup->values[i].string.text,
2736 "media-source") && media_source)
2737 ippAddString(media_col, IPP_TAG_ZERO, IPP_TAG_KEYWORD,
2738 "media-source", NULL, media_source);
2739 else if (!strcmp(media_col_sup->values[i].string.text,
2740 "media-type") && media_type)
2741 ippAddString(media_col, IPP_TAG_ZERO, IPP_TAG_KEYWORD,
2742 "media-type", NULL, media_type);
2743 }
2744
2745 ippAddCollection(request, IPP_TAG_JOB, "media-col", media_col);
2746 }
2747
2748 if ((keyword = cupsGetOption("output-bin", num_options,
2749 options)) == NULL)
2750 {
2751 if ((choice = ppdFindMarkedChoice(ppd, "OutputBin")) != NULL)
2752 keyword = _ppdCacheGetBin(pc, choice->choice);
2753 }
2754
2755 if (keyword)
2756 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "output-bin",
2757 NULL, keyword);
2758
2759 color_attr_name = print_color_mode_sup ? "print-color-mode" : "output-mode";
2760
2761 if ((keyword = cupsGetOption("print-color-mode", num_options,
2762 options)) == NULL)
2763 {
2764 if ((choice = ppdFindMarkedChoice(ppd, "ColorModel")) != NULL)
2765 {
2766 if (!_cups_strcasecmp(choice->choice, "Gray"))
2767 keyword = "monochrome";
2768 else
2769 keyword = "color";
2770 }
2771 }
2772
2773 if (keyword && !strcmp(keyword, "monochrome"))
2774 {
2775 if (ippContainsString(print_color_mode_sup, "auto-monochrome"))
2776 keyword = "auto-monochrome";
2777 else if (ippContainsString(print_color_mode_sup, "process-monochrome") && !ippContainsString(print_color_mode_sup, "monochrome"))
2778 keyword = "process-monochrome";
2779 }
2780
2781 if (keyword)
2782 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, color_attr_name,
2783 NULL, keyword);
2784
2785 if ((keyword = cupsGetOption("print-quality", num_options,
2786 options)) != NULL)
2787 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
2788 atoi(keyword));
2789 else if ((choice = ppdFindMarkedChoice(ppd, "cupsPrintQuality")) != NULL)
2790 {
2791 if (!_cups_strcasecmp(choice->choice, "draft"))
2792 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
2793 IPP_QUALITY_DRAFT);
2794 else if (!_cups_strcasecmp(choice->choice, "normal"))
2795 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
2796 IPP_QUALITY_NORMAL);
2797 else if (!_cups_strcasecmp(choice->choice, "high"))
2798 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
2799 IPP_QUALITY_HIGH);
2800 }
2801
2802 if ((keyword = cupsGetOption("sides", num_options, options)) != NULL)
2803 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
2804 NULL, keyword);
2805 else if (pc->sides_option &&
2806 (choice = ppdFindMarkedChoice(ppd, pc->sides_option)) != NULL)
2807 {
2808 if (!_cups_strcasecmp(choice->choice, pc->sides_1sided))
2809 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
2810 NULL, "one-sided");
2811 else if (!_cups_strcasecmp(choice->choice, pc->sides_2sided_long))
2812 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
2813 NULL, "two-sided-long-edge");
2814 if (!_cups_strcasecmp(choice->choice, pc->sides_2sided_short))
2815 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
2816 NULL, "two-sided-short-edge");
2817 }
2818
2819 if ((keyword = cupsGetOption("multiple-document-handling",
2820 num_options, options)) != NULL)
2821 {
2822 if (strstr(keyword, "uncollated"))
2823 keyword = "false";
2824 else
2825 keyword = "true";
2826 }
2827 else if ((keyword = cupsGetOption("collate", num_options,
2828 options)) == NULL)
2829 keyword = "true";
2830
2831 if (format)
2832 {
2833 if (!_cups_strcasecmp(format, "image/gif") ||
2834 !_cups_strcasecmp(format, "image/jp2") ||
2835 !_cups_strcasecmp(format, "image/jpeg") ||
2836 !_cups_strcasecmp(format, "image/png") ||
2837 !_cups_strcasecmp(format, "image/tiff") ||
2838 !_cups_strncasecmp(format, "image/x-", 8))
2839 {
2840 /*
2841 * Collation makes no sense for single page image formats...
2842 */
2843
2844 keyword = "false";
2845 }
2846 else if (!_cups_strncasecmp(format, "image/", 6) ||
2847 !_cups_strcasecmp(format, "application/vnd.cups-raster"))
2848 {
2849 /*
2850 * Multi-page image formats will have copies applied by the upstream
2851 * filters...
2852 */
2853
2854 copies = 1;
2855 }
2856 }
2857
2858 if (doc_handling_sup)
2859 {
2860 if (!_cups_strcasecmp(keyword, "true"))
2861 collate_str = "separate-documents-collated-copies";
2862 else
2863 collate_str = "separate-documents-uncollated-copies";
2864
2865 for (i = 0; i < doc_handling_sup->num_values; i ++)
2866 if (!strcmp(doc_handling_sup->values[i].string.text, collate_str))
2867 {
2868 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD,
2869 "multiple-document-handling", NULL, collate_str);
2870 break;
2871 }
2872
2873 if (i >= doc_handling_sup->num_values)
2874 copies = 1;
2875 }
2876
2877 /*
2878 * Map finishing options...
2879 */
2880
2881 num_finishings = _ppdCacheGetFinishingValues(pc, num_options, options,
2882 (int)(sizeof(finishings) /
2883 sizeof(finishings[0])),
2884 finishings);
2885 if (num_finishings > 0)
2886 ippAddIntegers(request, IPP_TAG_JOB, IPP_TAG_ENUM, "finishings",
2887 num_finishings, finishings);
2888
2889 /*
2890 * Map FaxOut options...
2891 */
2892
2893 if ((keyword = cupsGetOption("phone", num_options, options)) != NULL)
2894 {
2895 ipp_t *destination; /* destination collection */
2896 char phone[1024], /* Phone number string */
2897 *ptr, /* Pointer into string */
2898 tel_uri[1024]; /* tel: URI */
2899 static const char * const allowed = "0123456789#*-+.()";
2900 /* Allowed characters */
2901
2902 destination = ippNew();
2903
2904 /*
2905 * Unescape and filter out spaces and other characters that are not
2906 * allowed in a tel: URI.
2907 */
2908
2909 _httpDecodeURI(phone, keyword, sizeof(phone));
2910 for (ptr = phone; *ptr;)
2911 {
2912 if (!strchr(allowed, *ptr))
2913 _cups_strcpy(ptr, ptr + 1);
2914 else
2915 ptr ++;
2916 }
2917
2918 httpAssembleURI(HTTP_URI_CODING_ALL, tel_uri, sizeof(tel_uri), "tel", NULL, NULL, 0, phone);
2919 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_URI, "destination-uri", NULL, tel_uri);
2920
2921 if ((keyword = cupsGetOption("faxPrefix", num_options,
2922 options)) != NULL && *keyword)
2923 {
2924 char predial[1024]; /* Pre-dial string */
2925
2926 _httpDecodeURI(predial, keyword, sizeof(predial));
2927 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_TEXT, "pre-dial-string", NULL, predial);
2928 }
2929
2930 ippAddCollection(request, IPP_TAG_JOB, "destination-uris", destination);
2931 ippDelete(destination);
2932 }
2933 }
2934 else
2935 {
2936 /*
2937 * When talking to another CUPS server, send all options...
2938 */
2939
2940 fputs("DEBUG: Adding all operation/job attributes.\n", stderr);
2941 cupsEncodeOptions2(request, num_options, options, IPP_TAG_OPERATION);
2942 cupsEncodeOptions2(request, num_options, options, IPP_TAG_JOB);
2943 }
2944
2945 if (copies > 1 && (!pc || copies <= pc->max_copies))
2946 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", copies);
2947 }
2948
2949 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10,
2950 ippOpString(ippGetOperation(request)), ippGetRequestId(request));
2951 for (group = IPP_TAG_ZERO, attr = ippFirstAttribute(request);
2952 attr;
2953 attr = ippNextAttribute(request))
2954 {
2955 const char *name = ippGetName(attr);
2956
2957 if (!name)
2958 {
2959 group = IPP_TAG_ZERO;
2960 continue;
2961 }
2962
2963 if (group != ippGetGroupTag(attr))
2964 {
2965 group = ippGetGroupTag(attr);
2966 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(group));
2967 }
2968
2969 ippAttributeString(attr, buffer, sizeof(buffer));
2970 fprintf(stderr, "DEBUG: %s %s%s %s\n", name,
2971 ippGetCount(attr) > 1 ? "1setOf " : "",
2972 ippTagString(ippGetValueTag(attr)), buffer);
2973 }
2974
2975 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(IPP_TAG_END));
2976
2977 return (request);
2978 }
2979
2980
2981 /*
2982 * 'password_cb()' - Disable the password prompt for cupsDoFileRequest().
2983 */
2984
2985 static const char * /* O - Password */
2986 password_cb(const char *prompt, /* I - Prompt (not used) */
2987 http_t *http, /* I - Connection */
2988 const char *method, /* I - Request method (not used) */
2989 const char *resource, /* I - Resource path (not used) */
2990 int *password_tries) /* I - Password tries */
2991 {
2992 char def_username[HTTP_MAX_VALUE]; /* Default username */
2993
2994
2995 fprintf(stderr, "DEBUG: password_cb(prompt=\"%s\", http=%p, method=\"%s\", "
2996 "resource=\"%s\", password_tries=%p(%d)), password=%p\n",
2997 prompt, http, method, resource, password_tries, *password_tries,
2998 password);
2999
3000 (void)prompt;
3001 (void)method;
3002 (void)resource;
3003
3004 /*
3005 * Remember that we need to authenticate...
3006 */
3007
3008 auth_info_required = "username,password";
3009
3010 if (httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "username",
3011 def_username))
3012 {
3013 char quoted[HTTP_MAX_VALUE * 2 + 4];
3014 /* Quoted string */
3015
3016 fprintf(stderr, "ATTR: auth-info-default=%s,\n",
3017 quote_string(def_username, quoted, sizeof(quoted)));
3018 }
3019
3020 if (password && *password && *password_tries < 3)
3021 {
3022 (*password_tries) ++;
3023
3024 cupsSetUser(username);
3025
3026 return (password);
3027 }
3028 else
3029 {
3030 /*
3031 * Give up after 3 tries or if we don't have a password to begin with...
3032 */
3033
3034 return (NULL);
3035 }
3036 }
3037
3038
3039 /*
3040 * 'quote_string()' - Quote a string value.
3041 */
3042
3043 static const char * /* O - Quoted string */
3044 quote_string(const char *s, /* I - String */
3045 char *q, /* I - Quoted string buffer */
3046 size_t qsize) /* I - Size of quoted string buffer */
3047 {
3048 char *qptr, /* Pointer into string buffer */
3049 *qend; /* End of string buffer */
3050
3051
3052 qptr = q;
3053 qend = q + qsize - 5;
3054
3055 if (qend < q)
3056 {
3057 *q = '\0';
3058 return (q);
3059 }
3060
3061 *qptr++ = '\'';
3062 *qptr++ = '\"';
3063
3064 while (*s && qptr < qend)
3065 {
3066 if (*s == '\\' || *s == '\"' || *s == '\'')
3067 {
3068 if (qptr < (qend - 4))
3069 {
3070 *qptr++ = '\\';
3071 *qptr++ = '\\';
3072 *qptr++ = '\\';
3073 }
3074 else
3075 break;
3076 }
3077
3078 *qptr++ = *s++;
3079 }
3080
3081 *qptr++ = '\"';
3082 *qptr++ = '\'';
3083 *qptr = '\0';
3084
3085 return (q);
3086 }
3087
3088
3089 /*
3090 * 'report_attr()' - Report an IPP attribute value.
3091 */
3092
3093 static void
3094 report_attr(ipp_attribute_t *attr) /* I - Attribute */
3095 {
3096 int i; /* Looping var */
3097 char value[1024], /* Value string */
3098 *valptr; /* Pointer into value string */
3099 const char *cached; /* Cached attribute */
3100
3101
3102 /*
3103 * Convert the attribute values into quoted strings...
3104 */
3105
3106 for (i = 0, valptr = value;
3107 i < attr->num_values && valptr < (value + sizeof(value) - 10);
3108 i ++)
3109 {
3110 if (i > 0)
3111 *valptr++ = ',';
3112
3113 switch (attr->value_tag)
3114 {
3115 case IPP_TAG_INTEGER :
3116 case IPP_TAG_ENUM :
3117 snprintf(valptr, sizeof(value) - (size_t)(valptr - value), "%d", attr->values[i].integer);
3118 valptr += strlen(valptr);
3119 break;
3120
3121 case IPP_TAG_TEXT :
3122 case IPP_TAG_NAME :
3123 case IPP_TAG_KEYWORD :
3124 quote_string(attr->values[i].string.text, valptr, (size_t)(value + sizeof(value) - valptr));
3125 valptr += strlen(valptr);
3126 break;
3127
3128 default :
3129 /*
3130 * Unsupported value type...
3131 */
3132
3133 return;
3134 }
3135 }
3136
3137 *valptr = '\0';
3138
3139 _cupsMutexLock(&report_mutex);
3140
3141 if ((cached = cupsGetOption(attr->name, num_attr_cache,
3142 attr_cache)) == NULL || strcmp(cached, value))
3143 {
3144 /*
3145 * Tell the scheduler about the new values...
3146 */
3147
3148 num_attr_cache = cupsAddOption(attr->name, value, num_attr_cache,
3149 &attr_cache);
3150 fprintf(stderr, "ATTR: %s=%s\n", attr->name, value);
3151 }
3152
3153 _cupsMutexUnlock(&report_mutex);
3154 }
3155
3156
3157 /*
3158 * 'report_printer_state()' - Report the printer state.
3159 */
3160
3161 static void
3162 report_printer_state(ipp_t *ipp) /* I - IPP response */
3163 {
3164 ipp_attribute_t *pa, /* printer-alert */
3165 *pam, /* printer-alert-message */
3166 *psm, /* printer-state-message */
3167 *reasons, /* printer-state-reasons */
3168 *marker; /* marker-* attributes */
3169 char value[1024], /* State/message string */
3170 *valptr; /* Pointer into string */
3171 static int ipp_supplies = -1;
3172 /* Report supply levels? */
3173
3174
3175 /*
3176 * Report alerts and messages...
3177 */
3178
3179 if ((pa = ippFindAttribute(ipp, "printer-alert", IPP_TAG_TEXT)) != NULL)
3180 report_attr(pa);
3181
3182 if ((pam = ippFindAttribute(ipp, "printer-alert-message",
3183 IPP_TAG_TEXT)) != NULL)
3184 report_attr(pam);
3185
3186 if ((psm = ippFindAttribute(ipp, "printer-state-message",
3187 IPP_TAG_TEXT)) != NULL)
3188 {
3189 char *ptr; /* Pointer into message */
3190
3191
3192 strlcpy(value, "INFO: ", sizeof(value));
3193 for (ptr = psm->values[0].string.text, valptr = value + 6;
3194 *ptr && valptr < (value + sizeof(value) - 6);
3195 ptr ++)
3196 {
3197 if (*ptr < ' ' && *ptr > 0 && *ptr != '\t')
3198 {
3199 /*
3200 * Substitute "<XX>" for the control character; sprintf is safe because
3201 * we always leave 6 chars free at the end...
3202 */
3203
3204 sprintf(valptr, "<%02X>", *ptr);
3205 valptr += 4;
3206 }
3207 else
3208 *valptr++ = *ptr;
3209 }
3210
3211 *valptr++ = '\n';
3212 *valptr = '\0';
3213
3214 fputs(value, stderr);
3215 }
3216
3217 /*
3218 * Now report printer-state-reasons, filtering out some of the reasons we never
3219 * want to set...
3220 */
3221
3222 if ((reasons = ippFindAttribute(ipp, "printer-state-reasons",
3223 IPP_TAG_KEYWORD)) == NULL)
3224 return;
3225
3226 update_reasons(reasons, NULL);
3227
3228 /*
3229 * Relay the current marker-* attribute values...
3230 */
3231
3232 if (ipp_supplies < 0)
3233 {
3234 ppd_file_t *ppd; /* PPD file */
3235 ppd_attr_t *ppdattr; /* Attribute in PPD file */
3236
3237 if ((ppd = ppdOpenFile(getenv("PPD"))) != NULL &&
3238 (ppdattr = ppdFindAttr(ppd, "cupsIPPSupplies", NULL)) != NULL &&
3239 ppdattr->value && _cups_strcasecmp(ppdattr->value, "true"))
3240 ipp_supplies = 0;
3241 else
3242 ipp_supplies = 1;
3243
3244 ppdClose(ppd);
3245 }
3246
3247 if (ipp_supplies > 0)
3248 {
3249 if ((marker = ippFindAttribute(ipp, "marker-colors", IPP_TAG_NAME)) != NULL)
3250 report_attr(marker);
3251 if ((marker = ippFindAttribute(ipp, "marker-high-levels",
3252 IPP_TAG_INTEGER)) != NULL)
3253 report_attr(marker);
3254 if ((marker = ippFindAttribute(ipp, "marker-levels",
3255 IPP_TAG_INTEGER)) != NULL)
3256 report_attr(marker);
3257 if ((marker = ippFindAttribute(ipp, "marker-low-levels",
3258 IPP_TAG_INTEGER)) != NULL)
3259 report_attr(marker);
3260 if ((marker = ippFindAttribute(ipp, "marker-message",
3261 IPP_TAG_TEXT)) != NULL)
3262 report_attr(marker);
3263 if ((marker = ippFindAttribute(ipp, "marker-names", IPP_TAG_NAME)) != NULL)
3264 report_attr(marker);
3265 if ((marker = ippFindAttribute(ipp, "marker-types",
3266 IPP_TAG_KEYWORD)) != NULL)
3267 report_attr(marker);
3268 }
3269 }
3270
3271
3272 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3273 /*
3274 * 'run_as_user()' - Run the IPP backend as the printing user.
3275 *
3276 * This function uses an XPC-based user agent to run the backend as the printing
3277 * user. We need to do this in order to have access to the user's Kerberos
3278 * credentials.
3279 */
3280
3281 static int /* O - Exit status */
3282 run_as_user(char *argv[], /* I - Command-line arguments */
3283 uid_t uid, /* I - User ID */
3284 const char *device_uri, /* I - Device URI */
3285 int fd) /* I - File to print */
3286 {
3287 const char *auth_negotiate;/* AUTH_NEGOTIATE env var */
3288 xpc_connection_t conn; /* Connection to XPC service */
3289 xpc_object_t request; /* Request message dictionary */
3290 __block xpc_object_t response; /* Response message dictionary */
3291 dispatch_semaphore_t sem; /* Semaphore for waiting for response */
3292 int status = CUPS_BACKEND_FAILED;
3293 /* Status of request */
3294
3295
3296 fprintf(stderr, "DEBUG: Running IPP backend as UID %d.\n", (int)uid);
3297
3298 /*
3299 * Connect to the user agent for the specified UID...
3300 */
3301
3302 conn = xpc_connection_create_mach_service(kPMPrintUIToolAgent,
3303 dispatch_get_global_queue(0, 0), 0);
3304 if (!conn)
3305 {
3306 _cupsLangPrintFilter(stderr, "ERROR",
3307 _("Unable to start backend process."));
3308 fputs("DEBUG: Unable to create connection to agent.\n", stderr);
3309 goto cleanup;
3310 }
3311
3312 xpc_connection_set_event_handler(conn,
3313 ^(xpc_object_t event)
3314 {
3315 xpc_type_t messageType = xpc_get_type(event);
3316
3317 if (messageType == XPC_TYPE_ERROR)
3318 {
3319 if (event == XPC_ERROR_CONNECTION_INTERRUPTED)
3320 fprintf(stderr, "DEBUG: Interrupted connection to service %s.\n",
3321 xpc_connection_get_name(conn));
3322 else if (event == XPC_ERROR_CONNECTION_INVALID)
3323 fprintf(stderr, "DEBUG: Connection invalid for service %s.\n",
3324 xpc_connection_get_name(conn));
3325 else
3326 fprintf(stderr, "DEBUG: Unxpected error for service %s: %s\n",
3327 xpc_connection_get_name(conn),
3328 xpc_dictionary_get_string(event, XPC_ERROR_KEY_DESCRIPTION));
3329 }
3330 });
3331 xpc_connection_set_target_uid(conn, uid);
3332 xpc_connection_resume(conn);
3333
3334 /*
3335 * Try starting the backend...
3336 */
3337
3338 request = xpc_dictionary_create(NULL, NULL, 0);
3339 xpc_dictionary_set_int64(request, "command", kPMStartJob);
3340 xpc_dictionary_set_string(request, "device-uri", device_uri);
3341 xpc_dictionary_set_string(request, "job-id", argv[1]);
3342 xpc_dictionary_set_string(request, "user", argv[2]);
3343 xpc_dictionary_set_string(request, "title", argv[3]);
3344 xpc_dictionary_set_string(request, "copies", argv[4]);
3345 xpc_dictionary_set_string(request, "options", argv[5]);
3346 xpc_dictionary_set_string(request, "auth-info-required",
3347 getenv("AUTH_INFO_REQUIRED"));
3348 if ((auth_negotiate = getenv("AUTH_NEGOTIATE")) != NULL)
3349 xpc_dictionary_set_string(request, "auth-negotiate", auth_negotiate);
3350 xpc_dictionary_set_fd(request, "stdin", fd);
3351 xpc_dictionary_set_fd(request, "stderr", 2);
3352 xpc_dictionary_set_fd(request, "side-channel", CUPS_SC_FD);
3353
3354 sem = dispatch_semaphore_create(0);
3355 response = NULL;
3356
3357 xpc_connection_send_message_with_reply(conn, request,
3358 dispatch_get_global_queue(0,0),
3359 ^(xpc_object_t reply)
3360 {
3361 /* Save the response and wake up */
3362 if (xpc_get_type(reply)
3363 == XPC_TYPE_DICTIONARY)
3364 response = xpc_retain(reply);
3365
3366 dispatch_semaphore_signal(sem);
3367 });
3368
3369 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
3370 xpc_release(request);
3371 dispatch_release(sem);
3372
3373 if (response)
3374 {
3375 child_pid = (pid_t)xpc_dictionary_get_int64(response, "child-pid");
3376
3377 xpc_release(response);
3378
3379 if (child_pid)
3380 fprintf(stderr, "DEBUG: Child PID=%d.\n", (int)child_pid);
3381 else
3382 {
3383 _cupsLangPrintFilter(stderr, "ERROR",
3384 _("Unable to start backend process."));
3385 fputs("DEBUG: No child PID.\n", stderr);
3386 goto cleanup;
3387 }
3388 }
3389 else
3390 {
3391 _cupsLangPrintFilter(stderr, "ERROR",
3392 _("Unable to start backend process."));
3393 fputs("DEBUG: No reply from agent.\n", stderr);
3394 goto cleanup;
3395 }
3396
3397 /*
3398 * Then wait for the backend to finish...
3399 */
3400
3401 request = xpc_dictionary_create(NULL, NULL, 0);
3402 xpc_dictionary_set_int64(request, "command", kPMWaitForJob);
3403 xpc_dictionary_set_fd(request, "stderr", 2);
3404
3405 sem = dispatch_semaphore_create(0);
3406 response = NULL;
3407
3408 xpc_connection_send_message_with_reply(conn, request,
3409 dispatch_get_global_queue(0,0),
3410 ^(xpc_object_t reply)
3411 {
3412 /* Save the response and wake up */
3413 if (xpc_get_type(reply)
3414 == XPC_TYPE_DICTIONARY)
3415 response = xpc_retain(reply);
3416
3417 dispatch_semaphore_signal(sem);
3418 });
3419
3420 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
3421 xpc_release(request);
3422 dispatch_release(sem);
3423
3424 if (response)
3425 {
3426 status = (int)xpc_dictionary_get_int64(response, "status");
3427
3428 if (status == SIGTERM || status == SIGKILL || status == SIGPIPE)
3429 {
3430 fprintf(stderr, "DEBUG: Child terminated on signal %d.\n", status);
3431 status = CUPS_BACKEND_FAILED;
3432 }
3433 else if (WIFSIGNALED(status))
3434 {
3435 fprintf(stderr, "DEBUG: Child crashed on signal %d.\n", status);
3436 status = CUPS_BACKEND_STOP;
3437 }
3438 else if (WIFEXITED(status))
3439 {
3440 status = WEXITSTATUS(status);
3441 fprintf(stderr, "DEBUG: Child exited with status %d.\n", status);
3442 }
3443
3444 xpc_release(response);
3445 }
3446 else
3447 _cupsLangPrintFilter(stderr, "ERROR",
3448 _("Unable to get backend exit status."));
3449
3450 cleanup:
3451
3452 if (conn)
3453 {
3454 xpc_connection_cancel(conn);
3455 xpc_release(conn);
3456 }
3457
3458 return (status);
3459 }
3460 #endif /* HAVE_GSSAPI && HAVE_XPC */
3461
3462
3463 /*
3464 * 'sigterm_handler()' - Handle 'terminate' signals that stop the backend.
3465 */
3466
3467 static void
3468 sigterm_handler(int sig) /* I - Signal */
3469 {
3470 (void)sig; /* remove compiler warnings... */
3471
3472 write(2, "DEBUG: Got SIGTERM.\n", 20);
3473
3474 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3475 if (child_pid)
3476 {
3477 kill(child_pid, sig);
3478 child_pid = 0;
3479 }
3480 #endif /* HAVE_GSSAPI && HAVE_XPC */
3481
3482 if (!job_canceled)
3483 {
3484 /*
3485 * Flag that the job should be canceled...
3486 */
3487
3488 write(2, "DEBUG: job_canceled = 1.\n", 25);
3489
3490 job_canceled = 1;
3491 return;
3492 }
3493
3494 /*
3495 * The scheduler already tried to cancel us once, now just terminate
3496 * after removing our temp file!
3497 */
3498
3499 if (tmpfilename[0])
3500 unlink(tmpfilename);
3501
3502 exit(1);
3503 }
3504
3505
3506 /*
3507 * 'timeout_cb()' - Handle HTTP timeouts.
3508 */
3509
3510 static int /* O - 1 to continue, 0 to cancel */
3511 timeout_cb(http_t *http, /* I - Connection to server (unused) */
3512 void *user_data) /* I - User data (unused) */
3513 {
3514 (void)http;
3515 (void)user_data;
3516
3517 return (!job_canceled);
3518 }
3519
3520
3521 /*
3522 * 'update_reasons()' - Update the printer-state-reasons values.
3523 */
3524
3525 static void
3526 update_reasons(ipp_attribute_t *attr, /* I - printer-state-reasons or NULL */
3527 const char *s) /* I - STATE: string or NULL */
3528 {
3529 char op; /* Add (+), remove (-), replace (\0) */
3530 cups_array_t *new_reasons; /* New reasons array */
3531 char *reason, /* Current reason */
3532 add[2048], /* Reasons added string */
3533 *addptr, /* Pointer into add string */
3534 rem[2048], /* Reasons removed string */
3535 *remptr; /* Pointer into remove string */
3536 const char *addprefix, /* Current add string prefix */
3537 *remprefix; /* Current remove string prefix */
3538
3539
3540 fprintf(stderr, "DEBUG: update_reasons(attr=%d(%s%s), s=\"%s\")\n",
3541 attr ? attr->num_values : 0, attr ? attr->values[0].string.text : "",
3542 attr && attr->num_values > 1 ? ",..." : "", s ? s : "(null)");
3543
3544 /*
3545 * Create an array of new reason keyword strings...
3546 */
3547
3548 if (attr)
3549 {
3550 int i; /* Looping var */
3551
3552 new_reasons = cupsArrayNew((cups_array_func_t)strcmp, NULL);
3553 op = '\0';
3554
3555 for (i = 0; i < attr->num_values; i ++)
3556 {
3557 reason = attr->values[i].string.text;
3558
3559 if (strcmp(reason, "none") &&
3560 strcmp(reason, "none-report") &&
3561 strcmp(reason, "paused") &&
3562 strncmp(reason, "spool-area-full", 15) &&
3563 strcmp(reason, "com.apple.print.recoverable-warning") &&
3564 strncmp(reason, "cups-", 5))
3565 cupsArrayAdd(new_reasons, reason);
3566 }
3567 }
3568 else if (s)
3569 {
3570 if (*s == '+' || *s == '-')
3571 op = *s++;
3572 else
3573 op = '\0';
3574
3575 new_reasons = _cupsArrayNewStrings(s, ',');
3576 }
3577 else
3578 return;
3579
3580 /*
3581 * Compute the changes...
3582 */
3583
3584 add[0] = '\0';
3585 addprefix = "STATE: +";
3586 addptr = add;
3587 rem[0] = '\0';
3588 remprefix = "STATE: -";
3589 remptr = rem;
3590
3591 fprintf(stderr, "DEBUG2: op='%c', new_reasons=%d, state_reasons=%d\n",
3592 op ? op : ' ', cupsArrayCount(new_reasons),
3593 cupsArrayCount(state_reasons));
3594
3595 _cupsMutexLock(&report_mutex);
3596
3597 if (op == '+')
3598 {
3599 /*
3600 * Add reasons...
3601 */
3602
3603 for (reason = (char *)cupsArrayFirst(new_reasons);
3604 reason;
3605 reason = (char *)cupsArrayNext(new_reasons))
3606 {
3607 if (!cupsArrayFind(state_reasons, reason))
3608 {
3609 if (!strncmp(reason, "cups-remote-", 12))
3610 {
3611 /*
3612 * If we are setting cups-remote-xxx, remove all other cups-remote-xxx
3613 * keywords...
3614 */
3615
3616 char *temp; /* Current reason in state_reasons */
3617
3618 cupsArraySave(state_reasons);
3619
3620 for (temp = (char *)cupsArrayFirst(state_reasons);
3621 temp;
3622 temp = (char *)cupsArrayNext(state_reasons))
3623 if (!strncmp(temp, "cups-remote-", 12))
3624 {
3625 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, temp);
3626 remptr += strlen(remptr);
3627 remprefix = ",";
3628
3629 cupsArrayRemove(state_reasons, temp);
3630 break;
3631 }
3632
3633 cupsArrayRestore(state_reasons);
3634 }
3635
3636 cupsArrayAdd(state_reasons, reason);
3637
3638 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason);
3639 addptr += strlen(addptr);
3640 addprefix = ",";
3641 }
3642 }
3643 }
3644 else if (op == '-')
3645 {
3646 /*
3647 * Remove reasons...
3648 */
3649
3650 for (reason = (char *)cupsArrayFirst(new_reasons);
3651 reason;
3652 reason = (char *)cupsArrayNext(new_reasons))
3653 {
3654 if (cupsArrayFind(state_reasons, reason))
3655 {
3656 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason);
3657 remptr += strlen(remptr);
3658 remprefix = ",";
3659
3660 cupsArrayRemove(state_reasons, reason);
3661 }
3662 }
3663 }
3664 else
3665 {
3666 /*
3667 * Replace reasons...
3668 */
3669
3670 for (reason = (char *)cupsArrayFirst(state_reasons);
3671 reason;
3672 reason = (char *)cupsArrayNext(state_reasons))
3673 {
3674 if (strncmp(reason, "cups-", 5) && !cupsArrayFind(new_reasons, reason))
3675 {
3676 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason);
3677 remptr += strlen(remptr);
3678 remprefix = ",";
3679
3680 cupsArrayRemove(state_reasons, reason);
3681 }
3682 }
3683
3684 for (reason = (char *)cupsArrayFirst(new_reasons);
3685 reason;
3686 reason = (char *)cupsArrayNext(new_reasons))
3687 {
3688 if (!cupsArrayFind(state_reasons, reason))
3689 {
3690 cupsArrayAdd(state_reasons, reason);
3691
3692 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason);
3693 addptr += strlen(addptr);
3694 addprefix = ",";
3695 }
3696 }
3697 }
3698
3699 _cupsMutexUnlock(&report_mutex);
3700
3701 /*
3702 * Report changes and return...
3703 */
3704
3705 if (add[0] && rem[0])
3706 fprintf(stderr, "%s\n%s\n", add, rem);
3707 else if (add[0])
3708 fprintf(stderr, "%s\n", add);
3709 else if (rem[0])
3710 fprintf(stderr, "%s\n", rem);
3711 }
3712
3713 /*
3714 * End of "$Id$".
3715 */
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