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The IPP backend did not abort a job when the printer did not validate the
[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 if (httpIsEncrypted(http))
683 {
684 /*
685 * Validate TLS credentials...
686 */
687
688 cups_array_t *creds; /* TLS credentials */
689 http_trust_t trust; /* Trust level */
690 static const char *trusts[] = { NULL, "+cups-pki-invalid", "+cups-pki-changed", "+cups-pki-expired", NULL, "+cups-pki-unknown" };
691 /* Trust keywords */
692
693 if (!httpCopyCredentials(http, &creds))
694 {
695 trust = httpCredentialsGetTrust(creds, hostname);
696
697 update_reasons(NULL, "-cups-pki-invalid,cups-pki-changed,cups-pki-expired,cups-pki-unknown");
698 if (trusts[trust])
699 {
700 update_reasons(NULL, trusts[trust]);
701 return (CUPS_BACKEND_STOP);
702 }
703
704 httpFreeCredentials(creds);
705 }
706 }
707
708 /*
709 * See if the printer supports SNMP...
710 */
711
712 if (snmp_enabled)
713 snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family);
714 else
715 snmp_fd = -1;
716
717 if (snmp_fd >= 0)
718 have_supplies = !backendSNMPSupplies(snmp_fd, &(addrlist->addr),
719 &start_count, NULL);
720 else
721 have_supplies = start_count = 0;
722
723 /*
724 * Wait for data from the filter...
725 */
726
727 if (num_files == 0)
728 {
729 if (!backendWaitLoop(snmp_fd, &(addrlist->addr), 0, backendNetworkSideCB))
730 return (CUPS_BACKEND_OK);
731 else if ((bytes = read(0, buffer, sizeof(buffer))) <= 0)
732 return (CUPS_BACKEND_OK);
733 }
734
735 /*
736 * Try connecting to the remote server...
737 */
738
739 delay = _cupsNextDelay(0, &prev_delay);
740
741 do
742 {
743 fprintf(stderr, "DEBUG: Connecting to %s:%d\n", hostname, port);
744 _cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer."));
745
746 if (httpReconnect(http))
747 {
748 int error = errno; /* Connection error */
749
750 if (http->status == HTTP_PKI_ERROR)
751 update_reasons(NULL, "+cups-certificate-error");
752
753 if (job_canceled)
754 break;
755
756 if (getenv("CLASS") != NULL)
757 {
758 /*
759 * If the CLASS environment variable is set, the job was submitted
760 * to a class and not to a specific queue. In this case, we want
761 * to abort immediately so that the job can be requeued on the next
762 * available printer in the class.
763 */
764
765 _cupsLangPrintFilter(stderr, "INFO",
766 _("Unable to contact printer, queuing on next "
767 "printer in class."));
768
769 /*
770 * Sleep 5 seconds to keep the job from requeuing too rapidly...
771 */
772
773 sleep(5);
774
775 update_reasons(NULL, "-connecting-to-device");
776
777 return (CUPS_BACKEND_FAILED);
778 }
779
780 fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(errno));
781
782 if (errno == ECONNREFUSED || errno == EHOSTDOWN ||
783 errno == EHOSTUNREACH)
784 {
785 if (contimeout && (time(NULL) - start_time) > contimeout)
786 {
787 _cupsLangPrintFilter(stderr, "ERROR",
788 _("The printer is not responding."));
789 update_reasons(NULL, "-connecting-to-device");
790 return (CUPS_BACKEND_FAILED);
791 }
792
793 switch (error)
794 {
795 case EHOSTDOWN :
796 _cupsLangPrintFilter(stderr, "WARNING",
797 _("The printer may not exist or "
798 "is unavailable at this time."));
799 break;
800
801 case EHOSTUNREACH :
802 _cupsLangPrintFilter(stderr, "WARNING",
803 _("The printer is unreachable at this "
804 "time."));
805 break;
806
807 case ECONNREFUSED :
808 default :
809 _cupsLangPrintFilter(stderr, "WARNING",
810 _("The printer is in use."));
811 break;
812 }
813
814 sleep((unsigned)delay);
815
816 delay = _cupsNextDelay(delay, &prev_delay);
817 }
818 else
819 {
820 _cupsLangPrintFilter(stderr, "ERROR",
821 _("The printer is not responding."));
822 sleep(30);
823 }
824
825 if (job_canceled)
826 break;
827 }
828 else
829 update_reasons(NULL, "-cups-certificate-error");
830 }
831 while (http->fd < 0);
832
833 if (job_canceled)
834 return (CUPS_BACKEND_OK);
835 else if (!http)
836 return (CUPS_BACKEND_FAILED);
837
838 update_reasons(NULL, "-connecting-to-device");
839 _cupsLangPrintFilter(stderr, "INFO", _("Connected to printer."));
840
841 fprintf(stderr, "DEBUG: Connected to %s:%d...\n",
842 httpAddrString(http->hostaddr, addrname, sizeof(addrname)),
843 httpAddrPort(http->hostaddr));
844
845 /*
846 * Build a URI for the printer and fill the standard IPP attributes for
847 * an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it
848 * might contain username:password information...
849 */
850
851 httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri), scheme, NULL, hostname,
852 port, resource);
853
854 /*
855 * First validate the destination and see if the device supports multiple
856 * copies...
857 */
858
859 #ifdef HAVE_LIBZ
860 compression_sup = NULL;
861 #endif /* HAVE_LIBZ */
862 copies_sup = NULL;
863 cups_version = NULL;
864 format_sup = NULL;
865 media_col_sup = NULL;
866 supported = NULL;
867 operations_sup = NULL;
868 doc_handling_sup = NULL;
869 print_color_mode_sup = NULL;
870
871 do
872 {
873 /*
874 * Check for side-channel requests...
875 */
876
877 backendCheckSideChannel(snmp_fd, http->hostaddr);
878
879 /*
880 * Build the IPP request...
881 */
882
883 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
884 ippSetVersion(request, version / 10, version % 10);
885 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
886 NULL, uri);
887
888 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
889 "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
890 NULL, pattrs);
891
892 /*
893 * Do the request...
894 */
895
896 fputs("DEBUG: Getting supported attributes...\n", stderr);
897
898 if (http->version < HTTP_1_1)
899 {
900 fprintf(stderr, "DEBUG: Printer responded with HTTP version %d.%d.\n",
901 http->version / 100, http->version % 100);
902 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
903 "cups-ipp-wrong-http-version");
904 }
905
906 supported = cupsDoRequest(http, request, resource);
907 ipp_status = cupsLastError();
908
909 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
910 ippErrorString(ipp_status), cupsLastErrorString());
911
912 if (ipp_status <= IPP_OK_CONFLICT)
913 password_tries = 0;
914 else
915 {
916 fprintf(stderr, "DEBUG: Get-Printer-Attributes returned %s.\n",
917 ippErrorString(ipp_status));
918
919 if (ipp_status == IPP_PRINTER_BUSY ||
920 ipp_status == IPP_SERVICE_UNAVAILABLE)
921 {
922 if (contimeout && (time(NULL) - start_time) > contimeout)
923 {
924 _cupsLangPrintFilter(stderr, "ERROR",
925 _("The printer is not responding."));
926 return (CUPS_BACKEND_FAILED);
927 }
928
929 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
930
931 report_printer_state(supported);
932
933 sleep((unsigned)delay);
934
935 delay = _cupsNextDelay(delay, &prev_delay);
936 }
937 else if ((ipp_status == IPP_BAD_REQUEST ||
938 ipp_status == IPP_VERSION_NOT_SUPPORTED) && version > 10)
939 {
940 /*
941 * Switch to IPP/1.1 or IPP/1.0...
942 */
943
944 if (version >= 20)
945 {
946 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print."));
947 fprintf(stderr,
948 "DEBUG: The printer does not support IPP/%d.%d, trying "
949 "IPP/1.1.\n", version / 10, version % 10);
950 version = 11;
951 }
952 else
953 {
954 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print."));
955 fprintf(stderr,
956 "DEBUG: The printer does not support IPP/%d.%d, trying "
957 "IPP/1.0.\n", version / 10, version % 10);
958 version = 10;
959 }
960
961 httpReconnect(http);
962 }
963 else if (ipp_status == IPP_NOT_FOUND)
964 {
965 _cupsLangPrintFilter(stderr, "ERROR",
966 _("The printer configuration is incorrect or the "
967 "printer no longer exists."));
968
969 ippDelete(supported);
970
971 return (CUPS_BACKEND_STOP);
972 }
973 else if (ipp_status == IPP_FORBIDDEN ||
974 ipp_status == IPP_AUTHENTICATION_CANCELED)
975 {
976 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
977 /* WWW-Authenticate field value */
978
979 if (!strncmp(www_auth, "Negotiate", 9))
980 auth_info_required = "negotiate";
981 else if (www_auth[0])
982 auth_info_required = "username,password";
983
984 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
985 return (CUPS_BACKEND_AUTH_REQUIRED);
986 }
987 else if (ipp_status != IPP_NOT_AUTHORIZED)
988 {
989 _cupsLangPrintFilter(stderr, "ERROR",
990 _("Unable to get printer status."));
991 sleep(10);
992
993 httpReconnect(http);
994 }
995
996 ippDelete(supported);
997 supported = NULL;
998 continue;
999 }
1000
1001 if (!getenv("CLASS"))
1002 {
1003 /*
1004 * Check printer-is-accepting-jobs = false and printer-state-reasons for the
1005 * "spool-area-full" keyword...
1006 */
1007
1008 int busy = 0;
1009
1010 if ((printer_accepting = ippFindAttribute(supported,
1011 "printer-is-accepting-jobs",
1012 IPP_TAG_BOOLEAN)) != NULL &&
1013 !printer_accepting->values[0].boolean)
1014 busy = 1;
1015 else if (!printer_accepting)
1016 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1017 "cups-ipp-missing-printer-is-accepting-jobs");
1018
1019 if ((printer_state = ippFindAttribute(supported,
1020 "printer-state-reasons",
1021 IPP_TAG_KEYWORD)) == NULL)
1022 {
1023 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1024 "cups-ipp-missing-printer-state-reasons");
1025 }
1026 else if (!busy)
1027 {
1028 for (i = 0; i < printer_state->num_values; i ++)
1029 {
1030 if (!strcmp(printer_state->values[0].string.text,
1031 "spool-area-full") ||
1032 !strncmp(printer_state->values[0].string.text, "spool-area-full-",
1033 16))
1034 {
1035 busy = 1;
1036 break;
1037 }
1038 }
1039 }
1040
1041 if (busy)
1042 {
1043 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1044
1045 report_printer_state(supported);
1046
1047 sleep((unsigned)delay);
1048
1049 delay = _cupsNextDelay(delay, &prev_delay);
1050
1051 ippDelete(supported);
1052 supported = NULL;
1053 ipp_status = IPP_STATUS_ERROR_BUSY;
1054 continue;
1055 }
1056 }
1057
1058 /*
1059 * Check for supported attributes...
1060 */
1061
1062 #ifdef HAVE_LIBZ
1063 if ((compression_sup = ippFindAttribute(supported, "compression-supported",
1064 IPP_TAG_KEYWORD)) != NULL)
1065 {
1066 /*
1067 * Check whether the requested compression is supported and/or default to
1068 * compression if supported...
1069 */
1070
1071 if (compression && !ippContainsString(compression_sup, compression))
1072 {
1073 fprintf(stderr, "DEBUG: Printer does not support the requested "
1074 "compression value \"%s\".\n", compression);
1075 compression = NULL;
1076 }
1077 else if (!compression)
1078 {
1079 if (ippContainsString(compression_sup, "gzip"))
1080 compression = "gzip";
1081 else if (ippContainsString(compression_sup, "deflate"))
1082 compression = "deflate";
1083
1084 if (compression)
1085 fprintf(stderr, "DEBUG: Automatically using \"%s\" compression.\n",
1086 compression);
1087 }
1088 }
1089 #endif /* HAVE_LIBZ */
1090
1091 if ((copies_sup = ippFindAttribute(supported, "copies-supported",
1092 IPP_TAG_RANGE)) != NULL)
1093 {
1094 /*
1095 * Has the "copies-supported" attribute - does it have an upper
1096 * bound > 1?
1097 */
1098
1099 fprintf(stderr, "DEBUG: copies-supported=%d-%d\n",
1100 copies_sup->values[0].range.lower,
1101 copies_sup->values[0].range.upper);
1102
1103 if (copies_sup->values[0].range.upper <= 1)
1104 copies_sup = NULL; /* No */
1105 }
1106
1107 cups_version = ippFindAttribute(supported, "cups-version", IPP_TAG_TEXT);
1108
1109 if ((format_sup = ippFindAttribute(supported, "document-format-supported",
1110 IPP_TAG_MIMETYPE)) != NULL)
1111 {
1112 fprintf(stderr, "DEBUG: document-format-supported (%d values)\n",
1113 format_sup->num_values);
1114 for (i = 0; i < format_sup->num_values; i ++)
1115 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
1116 format_sup->values[i].string.text);
1117 }
1118
1119 if ((media_col_sup = ippFindAttribute(supported, "media-col-supported",
1120 IPP_TAG_KEYWORD)) != NULL)
1121 {
1122 fprintf(stderr, "DEBUG: media-col-supported (%d values)\n",
1123 media_col_sup->num_values);
1124 for (i = 0; i < media_col_sup->num_values; i ++)
1125 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
1126 media_col_sup->values[i].string.text);
1127 }
1128
1129 print_color_mode_sup = ippFindAttribute(supported, "print-color-mode-supported", IPP_TAG_KEYWORD);
1130
1131 if ((operations_sup = ippFindAttribute(supported, "operations-supported",
1132 IPP_TAG_ENUM)) != NULL)
1133 {
1134 fprintf(stderr, "DEBUG: operations-supported (%d values)\n",
1135 operations_sup->num_values);
1136 for (i = 0; i < operations_sup->num_values; i ++)
1137 fprintf(stderr, "DEBUG: [%d] = %s\n", i,
1138 ippOpString(operations_sup->values[i].integer));
1139
1140 for (i = 0; i < operations_sup->num_values; i ++)
1141 if (operations_sup->values[i].integer == IPP_PRINT_JOB)
1142 break;
1143
1144 if (i >= operations_sup->num_values)
1145 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1146 "cups-ipp-missing-print-job");
1147
1148 for (i = 0; i < operations_sup->num_values; i ++)
1149 if (operations_sup->values[i].integer == IPP_CANCEL_JOB)
1150 break;
1151
1152 if (i >= operations_sup->num_values)
1153 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1154 "cups-ipp-missing-cancel-job");
1155
1156 for (i = 0; i < operations_sup->num_values; i ++)
1157 if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES)
1158 break;
1159
1160 if (i >= operations_sup->num_values)
1161 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1162 "cups-ipp-missing-get-job-attributes");
1163
1164 for (i = 0; i < operations_sup->num_values; i ++)
1165 if (operations_sup->values[i].integer == IPP_GET_PRINTER_ATTRIBUTES)
1166 break;
1167
1168 if (i >= operations_sup->num_values)
1169 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1170 "cups-ipp-missing-get-printer-attributes");
1171
1172 for (i = 0; i < operations_sup->num_values; i ++)
1173 {
1174 if (operations_sup->values[i].integer == IPP_VALIDATE_JOB)
1175 validate_job = 1;
1176 else if (operations_sup->values[i].integer == IPP_CREATE_JOB)
1177 create_job = 1;
1178 else if (operations_sup->values[i].integer == IPP_SEND_DOCUMENT)
1179 send_document = 1;
1180 else if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES)
1181 get_job_attrs = 1;
1182 }
1183
1184 if (create_job && !send_document)
1185 {
1186 fputs("DEBUG: Printer supports Create-Job but not Send-Document.\n",
1187 stderr);
1188 create_job = 0;
1189
1190 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1191 "cups-ipp-missing-send-document");
1192 }
1193
1194 if (!validate_job)
1195 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1196 "cups-ipp-missing-validate-job");
1197 }
1198 else
1199 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1200 "cups-ipp-missing-operations-supported");
1201
1202 doc_handling_sup = ippFindAttribute(supported,
1203 "multiple-document-handling-supported",
1204 IPP_TAG_KEYWORD);
1205
1206 report_printer_state(supported);
1207 }
1208 while (!job_canceled && ipp_status > IPP_OK_CONFLICT);
1209
1210 if (job_canceled)
1211 return (CUPS_BACKEND_OK);
1212
1213 /*
1214 * See if the printer is accepting jobs and is not stopped; if either
1215 * condition is true and we are printing to a class, requeue the job...
1216 */
1217
1218 if (getenv("CLASS") != NULL)
1219 {
1220 printer_state = ippFindAttribute(supported, "printer-state",
1221 IPP_TAG_ENUM);
1222 printer_accepting = ippFindAttribute(supported, "printer-is-accepting-jobs",
1223 IPP_TAG_BOOLEAN);
1224
1225 if (printer_state == NULL ||
1226 (printer_state->values[0].integer > IPP_PRINTER_PROCESSING &&
1227 waitprinter) ||
1228 printer_accepting == NULL ||
1229 !printer_accepting->values[0].boolean)
1230 {
1231 /*
1232 * If the CLASS environment variable is set, the job was submitted
1233 * to a class and not to a specific queue. In this case, we want
1234 * to abort immediately so that the job can be requeued on the next
1235 * available printer in the class.
1236 */
1237
1238 _cupsLangPrintFilter(stderr, "INFO",
1239 _("Unable to contact printer, queuing on next "
1240 "printer in class."));
1241
1242 ippDelete(supported);
1243 httpClose(http);
1244
1245 /*
1246 * Sleep 5 seconds to keep the job from requeuing too rapidly...
1247 */
1248
1249 sleep(5);
1250
1251 return (CUPS_BACKEND_FAILED);
1252 }
1253 }
1254
1255 /*
1256 * See if the printer supports multiple copies...
1257 */
1258
1259 copies = atoi(argv[4]);
1260
1261 if (copies_sup || argc < 7)
1262 copies_remaining = 1;
1263 else
1264 copies_remaining = copies;
1265
1266 /*
1267 * Prepare remaining printing options...
1268 */
1269
1270 options = NULL;
1271
1272 if (send_options)
1273 {
1274 num_options = cupsParseOptions(argv[5], 0, &options);
1275
1276 if (!cups_version && media_col_sup)
1277 {
1278 /*
1279 * Load the PPD file and generate PWG attribute mapping information...
1280 */
1281
1282 ppd = ppdOpenFile(getenv("PPD"));
1283 pc = _ppdCacheCreateWithPPD(ppd);
1284
1285 ppdMarkDefaults(ppd);
1286 cupsMarkOptions(ppd, num_options, options);
1287 }
1288 }
1289 else
1290 num_options = 0;
1291
1292 document_format = NULL;
1293
1294 if (format_sup != NULL)
1295 {
1296 for (i = 0; i < format_sup->num_values; i ++)
1297 if (!_cups_strcasecmp(final_content_type,
1298 format_sup->values[i].string.text))
1299 {
1300 document_format = final_content_type;
1301 break;
1302 }
1303
1304 if (!document_format)
1305 {
1306 for (i = 0; i < format_sup->num_values; i ++)
1307 if (!_cups_strcasecmp("application/octet-stream",
1308 format_sup->values[i].string.text))
1309 {
1310 document_format = "application/octet-stream";
1311 break;
1312 }
1313 }
1314 }
1315
1316 fprintf(stderr, "DEBUG: final_content_type=\"%s\", document_format=\"%s\"\n",
1317 final_content_type, document_format ? document_format : "(null)");
1318
1319 /*
1320 * If the printer does not support HTTP/1.1 (which IPP requires), copy stdin
1321 * to a temporary file so that we can do a HTTP/1.0 submission...
1322 *
1323 * (I hate compatibility hacks!)
1324 */
1325
1326 if (http->version < HTTP_1_1 && num_files == 0)
1327 {
1328 if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0)
1329 {
1330 perror("DEBUG: Unable to create temporary file");
1331 return (CUPS_BACKEND_FAILED);
1332 }
1333
1334 _cupsLangPrintFilter(stderr, "INFO", _("Copying print data."));
1335
1336 if ((compatsize = write(fd, buffer, (size_t)bytes)) < 0)
1337 {
1338 perror("DEBUG: Unable to write temporary file");
1339 return (CUPS_BACKEND_FAILED);
1340 }
1341
1342 if ((bytes = backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0,
1343 backendNetworkSideCB)) < 0)
1344 return (CUPS_BACKEND_FAILED);
1345
1346 compatsize += bytes;
1347
1348 close(fd);
1349
1350 compatfile = tmpfilename;
1351 files = &compatfile;
1352 num_files = 1;
1353 }
1354 else if (http->version < HTTP_1_1 && num_files == 1)
1355 {
1356 struct stat fileinfo; /* File information */
1357
1358 if (!stat(files[0], &fileinfo))
1359 compatsize = fileinfo.st_size;
1360 }
1361
1362 /*
1363 * If the printer only claims to support IPP/1.0, or if the user specifically
1364 * included version=1.0 in the URI, then do not try to use Create-Job or
1365 * Send-Document. This is another dreaded compatibility hack, but
1366 * unfortunately there are enough broken printers out there that we need
1367 * this for now...
1368 */
1369
1370 if (version == 10)
1371 create_job = send_document = 0;
1372
1373 /*
1374 * Start monitoring the printer in the background...
1375 */
1376
1377 monitor.uri = uri;
1378 monitor.hostname = hostname;
1379 monitor.user = argv[2];
1380 monitor.resource = resource;
1381 monitor.port = port;
1382 monitor.version = version;
1383 monitor.job_id = 0;
1384 monitor.get_job_attrs = get_job_attrs;
1385 monitor.encryption = cupsEncryption();
1386 monitor.job_state = IPP_JOB_PENDING;
1387 monitor.printer_state = IPP_PRINTER_IDLE;
1388
1389 if (create_job)
1390 {
1391 monitor.job_name = argv[3];
1392 }
1393 else
1394 {
1395 snprintf(print_job_name, sizeof(print_job_name), "%s - %s", argv[1],
1396 argv[3]);
1397 monitor.job_name = print_job_name;
1398 }
1399
1400 _cupsThreadCreate((_cups_thread_func_t)monitor_printer, &monitor);
1401
1402 /*
1403 * Validate access to the printer...
1404 */
1405
1406 while (!job_canceled && validate_job)
1407 {
1408 request = new_request(IPP_VALIDATE_JOB, version, uri, argv[2],
1409 monitor.job_name, num_options, options, compression,
1410 copies_sup ? copies : 1, document_format, pc, ppd,
1411 media_col_sup, doc_handling_sup, print_color_mode_sup);
1412
1413 response = cupsDoRequest(http, request, resource);
1414
1415 ipp_status = cupsLastError();
1416
1417 fprintf(stderr, "DEBUG: Validate-Job: %s (%s)\n",
1418 ippErrorString(ipp_status), cupsLastErrorString());
1419
1420 if ((job_auth = ippFindAttribute(response, "job-authorization-uri",
1421 IPP_TAG_URI)) != NULL)
1422 num_options = cupsAddOption("job-authorization-uri",
1423 ippGetString(job_auth, 0, NULL), num_options,
1424 &options);
1425
1426 ippDelete(response);
1427
1428 if (job_canceled)
1429 break;
1430
1431 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1432 ipp_status == IPP_STATUS_ERROR_BUSY)
1433 {
1434 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1435 sleep(10);
1436 }
1437 else if (ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED ||
1438 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
1439 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1440 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1441 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1442 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
1443 goto cleanup;
1444 else if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1445 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1446 {
1447 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1448 /* WWW-Authenticate field value */
1449
1450 if (!strncmp(www_auth, "Negotiate", 9))
1451 auth_info_required = "negotiate";
1452 else if (www_auth[0])
1453 auth_info_required = "username,password";
1454
1455 goto cleanup;
1456 }
1457 else if (ipp_status == IPP_STATUS_ERROR_OPERATION_NOT_SUPPORTED)
1458 {
1459 /*
1460 * This is all too common...
1461 */
1462
1463 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1464 "cups-ipp-missing-validate-job");
1465 break;
1466 }
1467 else if (ipp_status < IPP_REDIRECTION_OTHER_SITE ||
1468 ipp_status == IPP_BAD_REQUEST)
1469 break;
1470 }
1471
1472 /*
1473 * Then issue the print-job request...
1474 */
1475
1476 job_id = 0;
1477
1478 while (!job_canceled && copies_remaining > 0)
1479 {
1480 /*
1481 * Check for side-channel requests...
1482 */
1483
1484 backendCheckSideChannel(snmp_fd, http->hostaddr);
1485
1486 /*
1487 * Build the IPP job creation request...
1488 */
1489
1490 if (job_canceled)
1491 break;
1492
1493 request = new_request((num_files > 1 || create_job) ? IPP_CREATE_JOB :
1494 IPP_PRINT_JOB,
1495 version, uri, argv[2], monitor.job_name, num_options,
1496 options, compression, copies_sup ? copies : 1,
1497 document_format, pc, ppd, media_col_sup,
1498 doc_handling_sup, print_color_mode_sup);
1499
1500 /*
1501 * Do the request...
1502 */
1503
1504 if (num_files > 1 || create_job)
1505 response = cupsDoRequest(http, request, resource);
1506 else
1507 {
1508 size_t length = 0; /* Length of request */
1509
1510 if (compatsize > 0)
1511 {
1512 fputs("DEBUG: Sending file using HTTP/1.0 Content-Length...\n", stderr);
1513 length = ippLength(request) + (size_t)compatsize;
1514 }
1515 else
1516 fputs("DEBUG: Sending file using HTTP/1.1 chunking...\n", stderr);
1517
1518 http_status = cupsSendRequest(http, request, resource, length);
1519 if (http_status == HTTP_CONTINUE && request->state == IPP_DATA)
1520 {
1521 if (compression && strcmp(compression, "none"))
1522 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression);
1523
1524 if (num_files == 1)
1525 {
1526 if ((fd = open(files[0], O_RDONLY)) < 0)
1527 {
1528 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1529 return (CUPS_BACKEND_FAILED);
1530 }
1531 }
1532 else
1533 {
1534 fd = 0;
1535 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes);
1536 }
1537
1538 while (http_status == HTTP_CONTINUE &&
1539 (!job_canceled || compatsize > 0))
1540 {
1541 /*
1542 * Check for side-channel requests and more print data...
1543 */
1544
1545 FD_ZERO(&input);
1546 FD_SET(fd, &input);
1547 FD_SET(snmp_fd, &input);
1548
1549 while (select(fd > snmp_fd ? fd + 1 : snmp_fd + 1, &input, NULL, NULL,
1550 NULL) <= 0 && !job_canceled);
1551
1552 if (FD_ISSET(snmp_fd, &input))
1553 backendCheckSideChannel(snmp_fd, http->hostaddr);
1554
1555 if (FD_ISSET(fd, &input))
1556 {
1557 if ((bytes = read(fd, buffer, sizeof(buffer))) > 0)
1558 {
1559 fprintf(stderr, "DEBUG: Read %d bytes...\n", (int)bytes);
1560
1561 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes))
1562 != HTTP_CONTINUE)
1563 break;
1564 }
1565 else if (bytes == 0 || (errno != EINTR && errno != EAGAIN))
1566 break;
1567 }
1568 }
1569
1570 if (http_status == HTTP_ERROR)
1571 fprintf(stderr, "DEBUG: Error writing document data for "
1572 "Print-Job: %s\n", strerror(httpError(http)));
1573
1574 if (num_files == 1)
1575 close(fd);
1576 }
1577
1578 response = cupsGetResponse(http, resource);
1579 ippDelete(request);
1580 }
1581
1582 ipp_status = cupsLastError();
1583
1584 fprintf(stderr, "DEBUG: %s: %s (%s)\n",
1585 (num_files > 1 || create_job) ? "Create-Job" : "Print-Job",
1586 ippErrorString(ipp_status), cupsLastErrorString());
1587
1588 if (ipp_status > IPP_OK_CONFLICT)
1589 {
1590 job_id = 0;
1591
1592 if (job_canceled)
1593 break;
1594
1595 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1596 ipp_status == IPP_STATUS_ERROR_NOT_POSSIBLE ||
1597 ipp_status == IPP_STATUS_ERROR_BUSY)
1598 {
1599 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1600 sleep(10);
1601
1602 if (num_files == 0)
1603 {
1604 /*
1605 * We can't re-submit when we have no files to print, so exit
1606 * immediately with the right status code...
1607 */
1608
1609 goto cleanup;
1610 }
1611 }
1612 else if (ipp_status == IPP_STATUS_ERROR_JOB_CANCELED ||
1613 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED ||
1614 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
1615 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1616 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1617 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1618 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
1619 goto cleanup;
1620 else
1621 {
1622 /*
1623 * Update auth-info-required as needed...
1624 */
1625
1626 _cupsLangPrintFilter(stderr, "ERROR",
1627 _("Print job was not accepted."));
1628
1629 if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1630 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1631 {
1632 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1633 /* WWW-Authenticate field value */
1634
1635 if (!strncmp(www_auth, "Negotiate", 9))
1636 auth_info_required = "negotiate";
1637 else if (www_auth[0])
1638 auth_info_required = "username,password";
1639 }
1640 else if (ipp_status == IPP_REQUEST_VALUE)
1641 {
1642 /*
1643 * Print file is too large, abort this job...
1644 */
1645
1646 goto cleanup;
1647 }
1648 else
1649 sleep(10);
1650
1651 if (num_files == 0)
1652 {
1653 /*
1654 * We can't re-submit when we have no files to print, so exit
1655 * immediately with the right status code...
1656 */
1657
1658 goto cleanup;
1659 }
1660 }
1661 }
1662 else if ((job_id_attr = ippFindAttribute(response, "job-id",
1663 IPP_TAG_INTEGER)) == NULL)
1664 {
1665 fputs("DEBUG: Print job accepted - job ID unknown.\n", stderr);
1666 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1667 "cups-ipp-missing-job-id");
1668 job_id = 0;
1669 }
1670 else
1671 {
1672 password_tries = 0;
1673 monitor.job_id = job_id = job_id_attr->values[0].integer;
1674 fprintf(stderr, "DEBUG: Print job accepted - job ID %d.\n", job_id);
1675 }
1676
1677 ippDelete(response);
1678
1679 if (job_canceled)
1680 break;
1681
1682 if (job_id && (num_files > 1 || create_job))
1683 {
1684 for (i = 0; num_files == 0 || i < num_files; i ++)
1685 {
1686 /*
1687 * Check for side-channel requests...
1688 */
1689
1690 backendCheckSideChannel(snmp_fd, http->hostaddr);
1691
1692 /*
1693 * Send the next file in the job...
1694 */
1695
1696 request = ippNewRequest(IPP_SEND_DOCUMENT);
1697 ippSetVersion(request, version / 10, version % 10);
1698
1699 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
1700 NULL, uri);
1701
1702 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
1703 job_id);
1704
1705 if (argv[2][0])
1706 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1707 "requesting-user-name", NULL, argv[2]);
1708
1709 ippAddBoolean(request, IPP_TAG_OPERATION, "last-document",
1710 (i + 1) >= num_files);
1711
1712 if (document_format)
1713 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
1714 "document-format", NULL, document_format);
1715
1716 if (compression)
1717 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1718 "compression", NULL, compression);
1719
1720 fprintf(stderr, "DEBUG: Sending file %d using chunking...\n", i + 1);
1721 http_status = cupsSendRequest(http, request, resource, 0);
1722 if (http_status == HTTP_CONTINUE && request->state == IPP_DATA)
1723 {
1724 if (compression && strcmp(compression, "none"))
1725 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression);
1726
1727 if (num_files == 0)
1728 {
1729 fd = 0;
1730 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes);
1731 }
1732 else
1733 {
1734 if ((fd = open(files[i], O_RDONLY)) < 0)
1735 {
1736 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1737 return (CUPS_BACKEND_FAILED);
1738 }
1739 }
1740 }
1741 else
1742 fd = -1;
1743
1744 if (fd >= 0)
1745 {
1746 while (!job_canceled && http_status == HTTP_CONTINUE &&
1747 (bytes = read(fd, buffer, sizeof(buffer))) > 0)
1748 {
1749 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes))
1750 != HTTP_CONTINUE)
1751 break;
1752 else
1753 {
1754 /*
1755 * Check for side-channel requests...
1756 */
1757
1758 backendCheckSideChannel(snmp_fd, http->hostaddr);
1759 }
1760 }
1761
1762 if (fd > 0)
1763 close(fd);
1764 }
1765
1766 if (http_status == HTTP_ERROR)
1767 fprintf(stderr, "DEBUG: Error writing document data for "
1768 "Send-Document: %s\n", strerror(httpError(http)));
1769
1770 ippDelete(cupsGetResponse(http, resource));
1771 ippDelete(request);
1772
1773 fprintf(stderr, "DEBUG: Send-Document: %s (%s)\n",
1774 ippErrorString(cupsLastError()), cupsLastErrorString());
1775
1776 if (cupsLastError() > IPP_OK_CONFLICT)
1777 {
1778 ipp_status = cupsLastError();
1779
1780 _cupsLangPrintFilter(stderr, "ERROR",
1781 _("Unable to add document to print job."));
1782 break;
1783 }
1784 else
1785 {
1786 password_tries = 0;
1787
1788 if (num_files == 0 || fd < 0)
1789 break;
1790 }
1791 }
1792 }
1793
1794 if (ipp_status <= IPP_OK_CONFLICT && argc > 6)
1795 {
1796 fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1);
1797 copies_remaining --;
1798 }
1799 else if ((ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_ERROR || ipp_status == IPP_STATUS_ERROR_DOCUMENT_UNPRINTABLE) &&
1800 argc == 6 &&
1801 document_format && strcmp(document_format, "image/pwg-raster") && strcmp(document_format, "image/urf"))
1802 {
1803 /*
1804 * Need to reprocess the job as raster...
1805 */
1806
1807 fputs("JOBSTATE: cups-retry-as-raster\n", stderr);
1808 if (job_id > 0)
1809 cancel_job(http, uri, job_id, resource, argv[2], version);
1810
1811 goto cleanup;
1812 }
1813 else if (ipp_status == IPP_SERVICE_UNAVAILABLE ||
1814 ipp_status == IPP_NOT_POSSIBLE ||
1815 ipp_status == IPP_PRINTER_BUSY)
1816 {
1817 if (argc == 6)
1818 {
1819 /*
1820 * Need to reprocess the entire job; if we have a job ID, cancel the
1821 * job first...
1822 */
1823
1824 if (job_id > 0)
1825 cancel_job(http, uri, job_id, resource, argv[2], version);
1826
1827 goto cleanup;
1828 }
1829 continue;
1830 }
1831 else if (ipp_status == IPP_REQUEST_VALUE ||
1832 ipp_status == IPP_ERROR_JOB_CANCELED ||
1833 ipp_status == IPP_NOT_AUTHORIZED ||
1834 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1835 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1836 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1837 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED ||
1838 ipp_status == IPP_INTERNAL_ERROR)
1839 {
1840 /*
1841 * Print file is too large, job was canceled, we need new
1842 * authentication data, or we had some sort of error...
1843 */
1844
1845 goto cleanup;
1846 }
1847 else if (ipp_status == IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED)
1848 {
1849 /*
1850 * Server is configured incorrectly; the policy for Create-Job and
1851 * Send-Document has to be the same (auth or no auth, encryption or
1852 * no encryption). Force the queue to stop since printing will never
1853 * work.
1854 */
1855
1856 fputs("DEBUG: The server or printer is configured incorrectly.\n",
1857 stderr);
1858 fputs("DEBUG: The policy for Create-Job and Send-Document must have the "
1859 "same authentication and encryption requirements.\n", stderr);
1860
1861 ipp_status = IPP_STATUS_ERROR_INTERNAL;
1862
1863 if (job_id > 0)
1864 cancel_job(http, uri, job_id, resource, argv[2], version);
1865
1866 goto cleanup;
1867 }
1868 else if (ipp_status == IPP_NOT_FOUND)
1869 {
1870 /*
1871 * Printer does not actually implement support for Create-Job/
1872 * Send-Document, so log the conformance issue and stop the printer.
1873 */
1874
1875 fputs("DEBUG: This printer claims to support Create-Job and "
1876 "Send-Document, but those operations failed.\n", stderr);
1877 fputs("DEBUG: Add '?version=1.0' to the device URI to use legacy "
1878 "compatibility mode.\n", stderr);
1879 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1880 "cups-ipp-missing-send-document");
1881
1882 ipp_status = IPP_INTERNAL_ERROR; /* Force queue to stop */
1883
1884 goto cleanup;
1885 }
1886 else
1887 copies_remaining --;
1888
1889 /*
1890 * Wait for the job to complete...
1891 */
1892
1893 if (!job_id || !waitjob || !get_job_attrs)
1894 continue;
1895
1896 fputs("STATE: +cups-waiting-for-job-completed\n", stderr);
1897
1898 _cupsLangPrintFilter(stderr, "INFO", _("Waiting for job to complete."));
1899
1900 for (delay = _cupsNextDelay(0, &prev_delay); !job_canceled;)
1901 {
1902 /*
1903 * Check for side-channel requests...
1904 */
1905
1906 backendCheckSideChannel(snmp_fd, http->hostaddr);
1907
1908 /*
1909 * Check printer state...
1910 */
1911
1912 check_printer_state(http, uri, resource, argv[2], version);
1913
1914 if (cupsLastError() <= IPP_OK_CONFLICT)
1915 password_tries = 0;
1916
1917 /*
1918 * Build an IPP_GET_JOB_ATTRIBUTES request...
1919 */
1920
1921 request = ippNewRequest(IPP_GET_JOB_ATTRIBUTES);
1922 ippSetVersion(request, version / 10, version % 10);
1923
1924 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
1925 NULL, uri);
1926
1927 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
1928 job_id);
1929
1930 if (argv[2][0])
1931 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1932 "requesting-user-name", NULL, argv[2]);
1933
1934 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1935 "requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]),
1936 NULL, jattrs);
1937
1938 /*
1939 * Do the request...
1940 */
1941
1942 httpReconnect(http);
1943 response = cupsDoRequest(http, request, resource);
1944 ipp_status = cupsLastError();
1945
1946 if (ipp_status == IPP_NOT_FOUND || ipp_status == IPP_NOT_POSSIBLE)
1947 {
1948 /*
1949 * Job has gone away and/or the server has no job history...
1950 */
1951
1952 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1953 "cups-ipp-missing-job-history");
1954 ippDelete(response);
1955
1956 ipp_status = IPP_OK;
1957 break;
1958 }
1959
1960 fprintf(stderr, "DEBUG: Get-Job-Attributes: %s (%s)\n",
1961 ippErrorString(ipp_status), cupsLastErrorString());
1962
1963 if (ipp_status <= IPP_OK_CONFLICT)
1964 password_tries = 0;
1965 else
1966 {
1967 if (ipp_status != IPP_SERVICE_UNAVAILABLE &&
1968 ipp_status != IPP_PRINTER_BUSY)
1969 {
1970 ippDelete(response);
1971 ipp_status = IPP_OK;
1972 break;
1973 }
1974 else if (ipp_status == IPP_INTERNAL_ERROR)
1975 {
1976 waitjob_tries ++;
1977
1978 if (waitjob_tries > 4)
1979 {
1980 ippDelete(response);
1981 ipp_status = IPP_OK;
1982 break;
1983 }
1984 }
1985 }
1986
1987 if (response)
1988 {
1989 if ((job_state = ippFindAttribute(response, "job-state",
1990 IPP_TAG_ENUM)) != NULL)
1991 {
1992 /*
1993 * Reflect the remote job state in the local queue...
1994 */
1995
1996 if (cups_version &&
1997 job_state->values[0].integer >= IPP_JOB_PENDING &&
1998 job_state->values[0].integer <= IPP_JOB_COMPLETED)
1999 update_reasons(NULL,
2000 remote_job_states[job_state->values[0].integer -
2001 IPP_JOB_PENDING]);
2002
2003 if ((job_sheets = ippFindAttribute(response,
2004 "job-media-sheets-completed",
2005 IPP_TAG_INTEGER)) == NULL)
2006 job_sheets = ippFindAttribute(response,
2007 "job-impressions-completed",
2008 IPP_TAG_INTEGER);
2009
2010 if (job_sheets)
2011 fprintf(stderr, "PAGE: total %d\n",
2012 job_sheets->values[0].integer);
2013
2014 /*
2015 * Stop polling if the job is finished or pending-held...
2016 */
2017
2018 if (job_state->values[0].integer > IPP_JOB_STOPPED)
2019 {
2020 ippDelete(response);
2021 break;
2022 }
2023 }
2024 else if (ipp_status != IPP_SERVICE_UNAVAILABLE &&
2025 ipp_status != IPP_NOT_POSSIBLE &&
2026 ipp_status != IPP_PRINTER_BUSY)
2027 {
2028 /*
2029 * If the printer does not return a job-state attribute, it does not
2030 * conform to the IPP specification - break out immediately and fail
2031 * the job...
2032 */
2033
2034 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
2035 "cups-ipp-missing-job-state");
2036 ipp_status = IPP_INTERNAL_ERROR;
2037 break;
2038 }
2039 }
2040
2041 ippDelete(response);
2042
2043 /*
2044 * Wait before polling again...
2045 */
2046
2047 sleep((unsigned)delay);
2048
2049 delay = _cupsNextDelay(delay, &prev_delay);
2050 }
2051 }
2052
2053 /*
2054 * Cancel the job as needed...
2055 */
2056
2057 if (job_canceled > 0 && job_id > 0)
2058 {
2059 cancel_job(http, uri, job_id, resource, argv[2], version);
2060
2061 if (cupsLastError() > IPP_OK_CONFLICT)
2062 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
2063 }
2064
2065 /*
2066 * Check the printer state and report it if necessary...
2067 */
2068
2069 check_printer_state(http, uri, resource, argv[2], version);
2070
2071 if (cupsLastError() <= IPP_OK_CONFLICT)
2072 password_tries = 0;
2073
2074 /*
2075 * Collect the final page count as needed...
2076 */
2077
2078 if (have_supplies &&
2079 !backendSNMPSupplies(snmp_fd, &(http->addrlist->addr), &page_count,
2080 NULL) &&
2081 page_count > start_count)
2082 fprintf(stderr, "PAGE: total %d\n", page_count - start_count);
2083
2084 #ifdef HAVE_GSSAPI
2085 /*
2086 * See if we used Kerberos at all...
2087 */
2088
2089 if (http->gssctx)
2090 auth_info_required = "negotiate";
2091 #endif /* HAVE_GSSAPI */
2092
2093 /*
2094 * Free memory...
2095 */
2096
2097 cleanup:
2098
2099 cupsFreeOptions(num_options, options);
2100 _ppdCacheDestroy(pc);
2101 ppdClose(ppd);
2102
2103 httpClose(http);
2104
2105 ippDelete(supported);
2106
2107 /*
2108 * Remove the temporary file(s) if necessary...
2109 */
2110
2111 if (tmpfilename[0])
2112 unlink(tmpfilename);
2113
2114 /*
2115 * Return the queue status...
2116 */
2117
2118 if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN ||
2119 ipp_status == IPP_AUTHENTICATION_CANCELED ||
2120 ipp_status <= IPP_OK_CONFLICT)
2121 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
2122
2123 if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED)
2124 fputs("JOBSTATE: account-info-needed\n", stderr);
2125 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED)
2126 fputs("JOBSTATE: account-closed\n", stderr);
2127 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED)
2128 fputs("JOBSTATE: account-limit-reached\n", stderr);
2129 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
2130 fputs("JOBSTATE: account-authorization-failed\n", stderr);
2131
2132 if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN ||
2133 ipp_status == IPP_AUTHENTICATION_CANCELED)
2134 return (CUPS_BACKEND_AUTH_REQUIRED);
2135 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
2136 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
2137 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
2138 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
2139 return (CUPS_BACKEND_HOLD);
2140 else if (ipp_status == IPP_INTERNAL_ERROR)
2141 return (CUPS_BACKEND_STOP);
2142 else if (ipp_status == IPP_CONFLICT)
2143 return (CUPS_BACKEND_FAILED);
2144 else if (ipp_status == IPP_REQUEST_VALUE ||
2145 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
2146 ipp_status == IPP_DOCUMENT_FORMAT || job_canceled < 0)
2147 {
2148 if (ipp_status == IPP_REQUEST_VALUE)
2149 _cupsLangPrintFilter(stderr, "ERROR", _("Print job too large."));
2150 else if (ipp_status == IPP_DOCUMENT_FORMAT)
2151 _cupsLangPrintFilter(stderr, "ERROR",
2152 _("Printer cannot print supplied content."));
2153 else if (ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES)
2154 _cupsLangPrintFilter(stderr, "ERROR",
2155 _("Printer cannot print with supplied options."));
2156 else
2157 _cupsLangPrintFilter(stderr, "ERROR", _("Print job canceled at printer."));
2158
2159 return (CUPS_BACKEND_CANCEL);
2160 }
2161 else if (ipp_status > IPP_OK_CONFLICT && ipp_status != IPP_ERROR_JOB_CANCELED)
2162 return (CUPS_BACKEND_RETRY_CURRENT);
2163 else
2164 return (CUPS_BACKEND_OK);
2165 }
2166
2167
2168 /*
2169 * 'cancel_job()' - Cancel a print job.
2170 */
2171
2172 static void
2173 cancel_job(http_t *http, /* I - HTTP connection */
2174 const char *uri, /* I - printer-uri */
2175 int id, /* I - job-id */
2176 const char *resource, /* I - Resource path */
2177 const char *user, /* I - requesting-user-name */
2178 int version) /* I - IPP version */
2179 {
2180 ipp_t *request; /* Cancel-Job request */
2181
2182
2183 _cupsLangPrintFilter(stderr, "INFO", _("Canceling print job."));
2184
2185 request = ippNewRequest(IPP_CANCEL_JOB);
2186 ippSetVersion(request, version / 10, version % 10);
2187
2188 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2189 NULL, uri);
2190 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", id);
2191
2192 if (user && user[0])
2193 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2194 "requesting-user-name", NULL, user);
2195
2196 /*
2197 * Do the request...
2198 */
2199
2200 ippDelete(cupsDoRequest(http, request, resource));
2201 }
2202
2203
2204 /*
2205 * 'check_printer_state()' - Check the printer state.
2206 */
2207
2208 static ipp_pstate_t /* O - Current printer-state */
2209 check_printer_state(
2210 http_t *http, /* I - HTTP connection */
2211 const char *uri, /* I - Printer URI */
2212 const char *resource, /* I - Resource path */
2213 const char *user, /* I - Username, if any */
2214 int version) /* I - IPP version */
2215 {
2216 ipp_t *request, /* IPP request */
2217 *response; /* IPP response */
2218 ipp_attribute_t *attr; /* Attribute in response */
2219 ipp_pstate_t printer_state = IPP_PRINTER_STOPPED;
2220 /* Current printer-state */
2221
2222
2223 /*
2224 * Send a Get-Printer-Attributes request and log the results...
2225 */
2226
2227 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
2228 ippSetVersion(request, version / 10, version % 10);
2229
2230 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2231 NULL, uri);
2232
2233 if (user && user[0])
2234 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2235 "requesting-user-name", NULL, user);
2236
2237 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2238 "requested-attributes",
2239 (int)(sizeof(pattrs) / sizeof(pattrs[0])), NULL, pattrs);
2240
2241 if ((response = cupsDoRequest(http, request, resource)) != NULL)
2242 {
2243 report_printer_state(response);
2244
2245 if ((attr = ippFindAttribute(response, "printer-state",
2246 IPP_TAG_ENUM)) != NULL)
2247 printer_state = (ipp_pstate_t)attr->values[0].integer;
2248
2249 ippDelete(response);
2250 }
2251
2252 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
2253 ippErrorString(cupsLastError()), cupsLastErrorString());
2254
2255 /*
2256 * Return the printer-state value...
2257 */
2258
2259 return (printer_state);
2260 }
2261
2262
2263 /*
2264 * 'monitor_printer()' - Monitor the printer state.
2265 */
2266
2267 static void * /* O - Thread exit code */
2268 monitor_printer(
2269 _cups_monitor_t *monitor) /* I - Monitoring data */
2270 {
2271 http_t *http; /* Connection to printer */
2272 ipp_t *request, /* IPP request */
2273 *response; /* IPP response */
2274 ipp_attribute_t *attr; /* Attribute in response */
2275 int delay, /* Current delay */
2276 prev_delay; /* Previous delay */
2277 ipp_op_t job_op; /* Operation to use */
2278 int job_id; /* Job ID */
2279 const char *job_name; /* Job name */
2280 ipp_jstate_t job_state; /* Job state */
2281 const char *job_user; /* Job originating user name */
2282 int password_tries = 0; /* Password tries */
2283
2284
2285 /*
2286 * Make a copy of the printer connection...
2287 */
2288
2289 http = httpConnect2(monitor->hostname, monitor->port, NULL, AF_UNSPEC,
2290 monitor->encryption, 1, 0, NULL);
2291 httpSetTimeout(http, 30.0, timeout_cb, NULL);
2292 if (username[0])
2293 cupsSetUser(username);
2294
2295 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries);
2296
2297 /*
2298 * Loop until the job is canceled, aborted, or completed.
2299 */
2300
2301 delay = _cupsNextDelay(0, &prev_delay);
2302
2303 monitor->job_reasons = 0;
2304
2305 while (monitor->job_state < IPP_JOB_CANCELED && !job_canceled)
2306 {
2307 /*
2308 * Reconnect to the printer...
2309 */
2310
2311 if (!httpReconnect(http))
2312 {
2313 /*
2314 * Connected, so check on the printer state...
2315 */
2316
2317 monitor->printer_state = check_printer_state(http, monitor->uri,
2318 monitor->resource,
2319 monitor->user,
2320 monitor->version);
2321 if (cupsLastError() <= IPP_OK_CONFLICT)
2322 password_tries = 0;
2323
2324 /*
2325 * Check the status of the job itself...
2326 */
2327
2328 job_op = (monitor->job_id > 0 && monitor->get_job_attrs) ?
2329 IPP_GET_JOB_ATTRIBUTES : IPP_GET_JOBS;
2330 request = ippNewRequest(job_op);
2331 ippSetVersion(request, monitor->version / 10, monitor->version % 10);
2332
2333 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2334 NULL, monitor->uri);
2335 if (job_op == IPP_GET_JOB_ATTRIBUTES)
2336 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
2337 monitor->job_id);
2338
2339 if (monitor->user && monitor->user[0])
2340 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2341 "requesting-user-name", NULL, monitor->user);
2342
2343 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2344 "requested-attributes",
2345 (int)(sizeof(jattrs) / sizeof(jattrs[0])), NULL, jattrs);
2346
2347 /*
2348 * Do the request...
2349 */
2350
2351 response = cupsDoRequest(http, request, monitor->resource);
2352
2353 fprintf(stderr, "DEBUG: (monitor) %s: %s (%s)\n", ippOpString(job_op),
2354 ippErrorString(cupsLastError()), cupsLastErrorString());
2355
2356 if (cupsLastError() <= IPP_OK_CONFLICT)
2357 password_tries = 0;
2358
2359 if (job_op == IPP_GET_JOB_ATTRIBUTES)
2360 {
2361 if ((attr = ippFindAttribute(response, "job-state",
2362 IPP_TAG_ENUM)) != NULL)
2363 monitor->job_state = (ipp_jstate_t)attr->values[0].integer;
2364 else
2365 monitor->job_state = IPP_JOB_COMPLETED;
2366 }
2367 else if (response)
2368 {
2369 for (attr = response->attrs; attr; attr = attr->next)
2370 {
2371 job_id = 0;
2372 job_name = NULL;
2373 job_state = IPP_JOB_PENDING;
2374 job_user = NULL;
2375
2376 while (attr && attr->group_tag != IPP_TAG_JOB)
2377 attr = attr->next;
2378
2379 if (!attr)
2380 break;
2381
2382 while (attr && attr->group_tag == IPP_TAG_JOB)
2383 {
2384 if (!strcmp(attr->name, "job-id") &&
2385 attr->value_tag == IPP_TAG_INTEGER)
2386 job_id = attr->values[0].integer;
2387 else if (!strcmp(attr->name, "job-name") &&
2388 (attr->value_tag == IPP_TAG_NAME ||
2389 attr->value_tag == IPP_TAG_NAMELANG))
2390 job_name = attr->values[0].string.text;
2391 else if (!strcmp(attr->name, "job-state") &&
2392 attr->value_tag == IPP_TAG_ENUM)
2393 job_state = (ipp_jstate_t)attr->values[0].integer;
2394 else if (!strcmp(attr->name, "job-originating-user-name") &&
2395 (attr->value_tag == IPP_TAG_NAME ||
2396 attr->value_tag == IPP_TAG_NAMELANG))
2397 job_user = attr->values[0].string.text;
2398
2399 attr = attr->next;
2400 }
2401
2402 if (job_id > 0 && job_name && !strcmp(job_name, monitor->job_name) &&
2403 job_user && monitor->user && !strcmp(job_user, monitor->user))
2404 {
2405 monitor->job_id = job_id;
2406 monitor->job_state = job_state;
2407 break;
2408 }
2409
2410 if (!attr)
2411 break;
2412 }
2413 }
2414
2415 if ((attr = ippFindAttribute(response, "job-state-reasons",
2416 IPP_TAG_KEYWORD)) != NULL)
2417 {
2418 int i, new_reasons = 0; /* Looping var, new reasons */
2419
2420 for (i = 0; i < attr->num_values; i ++)
2421 {
2422 if (!strcmp(attr->values[i].string.text,
2423 "account-authorization-failed"))
2424 new_reasons |= _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED;
2425 else if (!strcmp(attr->values[i].string.text, "account-closed"))
2426 new_reasons |= _CUPS_JSR_ACCOUNT_CLOSED;
2427 else if (!strcmp(attr->values[i].string.text, "account-info-needed"))
2428 new_reasons |= _CUPS_JSR_ACCOUNT_INFO_NEEDED;
2429 else if (!strcmp(attr->values[i].string.text,
2430 "account-limit-reached"))
2431 new_reasons |= _CUPS_JSR_ACCOUNT_LIMIT_REACHED;
2432 else if (!strcmp(attr->values[i].string.text, "job-password-wait"))
2433 new_reasons |= _CUPS_JSR_JOB_PASSWORD_WAIT;
2434 else if (!strcmp(attr->values[i].string.text, "job-release-wait"))
2435 new_reasons |= _CUPS_JSR_JOB_RELEASE_WAIT;
2436 }
2437
2438 if (new_reasons != monitor->job_reasons)
2439 {
2440 if (new_reasons & _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED)
2441 fputs("JOBSTATE: account-authorization-failed\n", stderr);
2442 else if (new_reasons & _CUPS_JSR_ACCOUNT_CLOSED)
2443 fputs("JOBSTATE: account-closed\n", stderr);
2444 else if (new_reasons & _CUPS_JSR_ACCOUNT_INFO_NEEDED)
2445 fputs("JOBSTATE: account-info-needed\n", stderr);
2446 else if (new_reasons & _CUPS_JSR_ACCOUNT_LIMIT_REACHED)
2447 fputs("JOBSTATE: account-limit-reached\n", stderr);
2448 else if (new_reasons & _CUPS_JSR_JOB_PASSWORD_WAIT)
2449 fputs("JOBSTATE: job-password-wait\n", stderr);
2450 else if (new_reasons & _CUPS_JSR_JOB_RELEASE_WAIT)
2451 fputs("JOBSTATE: job-release-wait\n", stderr);
2452 else
2453 fputs("JOBSTATE: job-printing\n", stderr);
2454
2455 monitor->job_reasons = new_reasons;
2456 }
2457 }
2458
2459 ippDelete(response);
2460
2461 fprintf(stderr, "DEBUG: (monitor) job-state=%s\n",
2462 ippEnumString("job-state", monitor->job_state));
2463
2464 if (!job_canceled &&
2465 (monitor->job_state == IPP_JOB_CANCELED ||
2466 monitor->job_state == IPP_JOB_ABORTED))
2467 job_canceled = -1;
2468
2469 /*
2470 * Disconnect from the printer - we'll reconnect on the next poll...
2471 */
2472
2473 _httpDisconnect(http);
2474 }
2475
2476 /*
2477 * Sleep for N seconds...
2478 */
2479
2480 sleep((unsigned)delay);
2481
2482 delay = _cupsNextDelay(delay, &prev_delay);
2483 }
2484
2485 /*
2486 * Cancel the job if necessary...
2487 */
2488
2489 if (job_canceled > 0 && monitor->job_id > 0)
2490 {
2491 if (!httpReconnect(http))
2492 {
2493 cancel_job(http, monitor->uri, monitor->job_id, monitor->resource,
2494 monitor->user, monitor->version);
2495
2496 if (cupsLastError() > IPP_OK_CONFLICT)
2497 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
2498 }
2499 }
2500
2501 /*
2502 * Cleanup and return...
2503 */
2504
2505 httpClose(http);
2506
2507 return (NULL);
2508 }
2509
2510
2511 /*
2512 * 'new_request()' - Create a new print creation or validation request.
2513 */
2514
2515 static ipp_t * /* O - Request data */
2516 new_request(
2517 ipp_op_t op, /* I - IPP operation code */
2518 int version, /* I - IPP version number */
2519 const char *uri, /* I - printer-uri value */
2520 const char *user, /* I - requesting-user-name value */
2521 const char *title, /* I - job-name value */
2522 int num_options, /* I - Number of options to send */
2523 cups_option_t *options, /* I - Options to send */
2524 const char *compression, /* I - compression value or NULL */
2525 int copies, /* I - copies value or 0 */
2526 const char *format, /* I - document-format value or NULL */
2527 _ppd_cache_t *pc, /* I - PPD cache and mapping data */
2528 ppd_file_t *ppd, /* I - PPD file data */
2529 ipp_attribute_t *media_col_sup, /* I - media-col-supported values */
2530 ipp_attribute_t *doc_handling_sup, /* I - multiple-document-handling-supported values */
2531 ipp_attribute_t *print_color_mode_sup)
2532 /* I - Printer supports print-color-mode */
2533 {
2534 int i; /* Looping var */
2535 ipp_t *request; /* Request data */
2536 const char *keyword; /* PWG keyword */
2537 _pwg_size_t *size; /* PWG media size */
2538 ipp_t *media_col, /* media-col value */
2539 *media_size; /* media-size value */
2540 const char *media_source, /* media-source value */
2541 *media_type, /* media-type value */
2542 *collate_str, /* multiple-document-handling value */
2543 *mandatory; /* Mandatory attributes */
2544 ipp_tag_t group; /* Current group */
2545 ipp_attribute_t *attr; /* Current attribute */
2546 const char *color_attr_name; /* Supported color attribute */
2547 char buffer[1024]; /* Value buffer */
2548
2549
2550 /*
2551 * Create the IPP request...
2552 */
2553
2554 request = ippNewRequest(op);
2555 ippSetVersion(request, version / 10, version % 10);
2556
2557 fprintf(stderr, "DEBUG: %s IPP/%d.%d\n",
2558 ippOpString(request->request.op.operation_id),
2559 request->request.op.version[0],
2560 request->request.op.version[1]);
2561
2562 /*
2563 * Add standard attributes...
2564 */
2565
2566 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2567 NULL, uri);
2568 fprintf(stderr, "DEBUG: printer-uri=\"%s\"\n", uri);
2569
2570 if (user && *user)
2571 {
2572 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2573 "requesting-user-name", NULL, user);
2574 fprintf(stderr, "DEBUG: requesting-user-name=\"%s\"\n", user);
2575 }
2576
2577 if (title && *title)
2578 {
2579 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
2580 title);
2581 fprintf(stderr, "DEBUG: job-name=\"%s\"\n", title);
2582 }
2583
2584 if (format && op != IPP_CREATE_JOB)
2585 {
2586 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
2587 "document-format", NULL, format);
2588 fprintf(stderr, "DEBUG: document-format=\"%s\"\n", format);
2589 }
2590
2591 #ifdef HAVE_LIBZ
2592 if (compression && op != IPP_OP_CREATE_JOB && op != IPP_OP_VALIDATE_JOB)
2593 {
2594 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2595 "compression", NULL, compression);
2596 fprintf(stderr, "DEBUG: compression=\"%s\"\n", compression);
2597 }
2598 #endif /* HAVE_LIBZ */
2599
2600 /*
2601 * Handle options on the command-line...
2602 */
2603
2604 if (num_options > 0)
2605 {
2606 if (pc)
2607 {
2608 int num_finishings = 0, /* Number of finishing values */
2609 finishings[10]; /* Finishing enum values */
2610 ppd_choice_t *choice; /* Marked choice */
2611
2612 /*
2613 * Send standard IPP attributes...
2614 */
2615
2616 fputs("DEBUG: Adding standard IPP operation/job attributes.\n", stderr);
2617
2618 if (pc->password &&
2619 (keyword = cupsGetOption("job-password", num_options,
2620 options)) != NULL)
2621 {
2622 ippAddOctetString(request, IPP_TAG_OPERATION, "job-password", keyword, (int)strlen(keyword));
2623
2624 if ((keyword = cupsGetOption("job-password-encryption", num_options,
2625 options)) == NULL)
2626 keyword = "none";
2627
2628 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2629 "job-password-encryption", NULL, keyword);
2630 }
2631
2632 if (pc->account_id)
2633 {
2634 if ((keyword = cupsGetOption("job-account-id", num_options,
2635 options)) == NULL)
2636 keyword = cupsGetOption("job-billing", num_options, options);
2637
2638 if (keyword)
2639 ippAddString(request, IPP_TAG_JOB, IPP_TAG_NAME, "job-account-id",
2640 NULL, keyword);
2641 }
2642
2643 if (pc->accounting_user_id)
2644 {
2645 if ((keyword = cupsGetOption("job-accounting-user-id", num_options,
2646 options)) == NULL)
2647 keyword = user;
2648
2649 if (keyword)
2650 ippAddString(request, IPP_TAG_JOB, IPP_TAG_NAME,
2651 "job-accounting-user-id", NULL, keyword);
2652 }
2653
2654 for (mandatory = (char *)cupsArrayFirst(pc->mandatory);
2655 mandatory;
2656 mandatory = (char *)cupsArrayNext(pc->mandatory))
2657 {
2658 if (strcmp(mandatory, "copies") &&
2659 strcmp(mandatory, "destination-uris") &&
2660 strcmp(mandatory, "finishings") &&
2661 strcmp(mandatory, "job-account-id") &&
2662 strcmp(mandatory, "job-accounting-user-id") &&
2663 strcmp(mandatory, "job-password") &&
2664 strcmp(mandatory, "job-password-encryption") &&
2665 strcmp(mandatory, "media") &&
2666 strncmp(mandatory, "media-col", 9) &&
2667 strcmp(mandatory, "multiple-document-handling") &&
2668 strcmp(mandatory, "output-bin") &&
2669 strcmp(mandatory, "print-color-mode") &&
2670 strcmp(mandatory, "print-quality") &&
2671 strcmp(mandatory, "sides") &&
2672 (keyword = cupsGetOption(mandatory, num_options, options)) != NULL)
2673 {
2674 _ipp_option_t *opt = _ippFindOption(mandatory);
2675 /* Option type */
2676 ipp_tag_t value_tag = opt ? opt->value_tag : IPP_TAG_NAME;
2677 /* Value type */
2678
2679 switch (value_tag)
2680 {
2681 case IPP_TAG_INTEGER :
2682 case IPP_TAG_ENUM :
2683 ippAddInteger(request, IPP_TAG_JOB, value_tag, mandatory,
2684 atoi(keyword));
2685 break;
2686 case IPP_TAG_BOOLEAN :
2687 ippAddBoolean(request, IPP_TAG_JOB, mandatory,
2688 !_cups_strcasecmp(keyword, "true"));
2689 break;
2690 case IPP_TAG_RANGE :
2691 {
2692 int lower, upper; /* Range */
2693
2694 if (sscanf(keyword, "%d-%d", &lower, &upper) != 2)
2695 lower = upper = atoi(keyword);
2696
2697 ippAddRange(request, IPP_TAG_JOB, mandatory, lower, upper);
2698 }
2699 break;
2700 case IPP_TAG_STRING :
2701 ippAddOctetString(request, IPP_TAG_JOB, mandatory, keyword, (int)strlen(keyword));
2702 break;
2703 default :
2704 if (!strcmp(mandatory, "print-color-mode") && !strcmp(keyword, "monochrome"))
2705 {
2706 if (ippContainsString(print_color_mode_sup, "auto-monochrome"))
2707 keyword = "auto-monochrome";
2708 else if (ippContainsString(print_color_mode_sup, "process-monochrome") && !ippContainsString(print_color_mode_sup, "monochrome"))
2709 keyword = "process-monochrome";
2710 }
2711
2712 ippAddString(request, IPP_TAG_JOB, value_tag, mandatory,
2713 NULL, keyword);
2714 break;
2715 }
2716 }
2717 }
2718
2719 if ((keyword = cupsGetOption("PageSize", num_options, options)) == NULL)
2720 keyword = cupsGetOption("media", num_options, options);
2721
2722 if ((size = _ppdCacheGetSize(pc, keyword)) != NULL)
2723 {
2724 /*
2725 * Add a media-col value...
2726 */
2727
2728 media_size = ippNew();
2729 ippAddInteger(media_size, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2730 "x-dimension", size->width);
2731 ippAddInteger(media_size, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2732 "y-dimension", size->length);
2733
2734 media_col = ippNew();
2735 ippAddCollection(media_col, IPP_TAG_ZERO, "media-size", media_size);
2736
2737 media_source = _ppdCacheGetSource(pc, cupsGetOption("InputSlot",
2738 num_options,
2739 options));
2740 media_type = _ppdCacheGetType(pc, cupsGetOption("MediaType",
2741 num_options,
2742 options));
2743
2744 for (i = 0; i < media_col_sup->num_values; i ++)
2745 {
2746 if (!strcmp(media_col_sup->values[i].string.text,
2747 "media-left-margin"))
2748 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2749 "media-left-margin", size->left);
2750 else if (!strcmp(media_col_sup->values[i].string.text,
2751 "media-bottom-margin"))
2752 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2753 "media-bottom-margin", size->bottom);
2754 else if (!strcmp(media_col_sup->values[i].string.text,
2755 "media-right-margin"))
2756 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2757 "media-right-margin", size->right);
2758 else if (!strcmp(media_col_sup->values[i].string.text,
2759 "media-top-margin"))
2760 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2761 "media-top-margin", size->top);
2762 else if (!strcmp(media_col_sup->values[i].string.text,
2763 "media-source") && media_source)
2764 ippAddString(media_col, IPP_TAG_ZERO, IPP_TAG_KEYWORD,
2765 "media-source", NULL, media_source);
2766 else if (!strcmp(media_col_sup->values[i].string.text,
2767 "media-type") && media_type)
2768 ippAddString(media_col, IPP_TAG_ZERO, IPP_TAG_KEYWORD,
2769 "media-type", NULL, media_type);
2770 }
2771
2772 ippAddCollection(request, IPP_TAG_JOB, "media-col", media_col);
2773 }
2774
2775 if ((keyword = cupsGetOption("output-bin", num_options,
2776 options)) == NULL)
2777 {
2778 if ((choice = ppdFindMarkedChoice(ppd, "OutputBin")) != NULL)
2779 keyword = _ppdCacheGetBin(pc, choice->choice);
2780 }
2781
2782 if (keyword)
2783 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "output-bin",
2784 NULL, keyword);
2785
2786 color_attr_name = print_color_mode_sup ? "print-color-mode" : "output-mode";
2787
2788 if ((keyword = cupsGetOption("print-color-mode", num_options,
2789 options)) == NULL)
2790 {
2791 if ((choice = ppdFindMarkedChoice(ppd, "ColorModel")) != NULL)
2792 {
2793 if (!_cups_strcasecmp(choice->choice, "Gray"))
2794 keyword = "monochrome";
2795 else
2796 keyword = "color";
2797 }
2798 }
2799
2800 if (keyword && !strcmp(keyword, "monochrome"))
2801 {
2802 if (ippContainsString(print_color_mode_sup, "auto-monochrome"))
2803 keyword = "auto-monochrome";
2804 else if (ippContainsString(print_color_mode_sup, "process-monochrome") && !ippContainsString(print_color_mode_sup, "monochrome"))
2805 keyword = "process-monochrome";
2806 }
2807
2808 if (keyword)
2809 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, color_attr_name,
2810 NULL, keyword);
2811
2812 if ((keyword = cupsGetOption("print-quality", num_options,
2813 options)) != NULL)
2814 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
2815 atoi(keyword));
2816 else if ((choice = ppdFindMarkedChoice(ppd, "cupsPrintQuality")) != NULL)
2817 {
2818 if (!_cups_strcasecmp(choice->choice, "draft"))
2819 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
2820 IPP_QUALITY_DRAFT);
2821 else if (!_cups_strcasecmp(choice->choice, "normal"))
2822 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
2823 IPP_QUALITY_NORMAL);
2824 else if (!_cups_strcasecmp(choice->choice, "high"))
2825 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
2826 IPP_QUALITY_HIGH);
2827 }
2828
2829 if ((keyword = cupsGetOption("sides", num_options, options)) != NULL)
2830 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
2831 NULL, keyword);
2832 else if (pc->sides_option &&
2833 (choice = ppdFindMarkedChoice(ppd, pc->sides_option)) != NULL)
2834 {
2835 if (!_cups_strcasecmp(choice->choice, pc->sides_1sided))
2836 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
2837 NULL, "one-sided");
2838 else if (!_cups_strcasecmp(choice->choice, pc->sides_2sided_long))
2839 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
2840 NULL, "two-sided-long-edge");
2841 if (!_cups_strcasecmp(choice->choice, pc->sides_2sided_short))
2842 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
2843 NULL, "two-sided-short-edge");
2844 }
2845
2846 if ((keyword = cupsGetOption("multiple-document-handling",
2847 num_options, options)) != NULL)
2848 {
2849 if (strstr(keyword, "uncollated"))
2850 keyword = "false";
2851 else
2852 keyword = "true";
2853 }
2854 else if ((keyword = cupsGetOption("collate", num_options,
2855 options)) == NULL)
2856 keyword = "true";
2857
2858 if (format)
2859 {
2860 if (!_cups_strcasecmp(format, "image/gif") ||
2861 !_cups_strcasecmp(format, "image/jp2") ||
2862 !_cups_strcasecmp(format, "image/jpeg") ||
2863 !_cups_strcasecmp(format, "image/png") ||
2864 !_cups_strcasecmp(format, "image/tiff") ||
2865 !_cups_strncasecmp(format, "image/x-", 8))
2866 {
2867 /*
2868 * Collation makes no sense for single page image formats...
2869 */
2870
2871 keyword = "false";
2872 }
2873 else if (!_cups_strncasecmp(format, "image/", 6) ||
2874 !_cups_strcasecmp(format, "application/vnd.cups-raster"))
2875 {
2876 /*
2877 * Multi-page image formats will have copies applied by the upstream
2878 * filters...
2879 */
2880
2881 copies = 1;
2882 }
2883 }
2884
2885 if (doc_handling_sup)
2886 {
2887 if (!_cups_strcasecmp(keyword, "true"))
2888 collate_str = "separate-documents-collated-copies";
2889 else
2890 collate_str = "separate-documents-uncollated-copies";
2891
2892 for (i = 0; i < doc_handling_sup->num_values; i ++)
2893 if (!strcmp(doc_handling_sup->values[i].string.text, collate_str))
2894 {
2895 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD,
2896 "multiple-document-handling", NULL, collate_str);
2897 break;
2898 }
2899
2900 if (i >= doc_handling_sup->num_values)
2901 copies = 1;
2902 }
2903
2904 /*
2905 * Map finishing options...
2906 */
2907
2908 num_finishings = _ppdCacheGetFinishingValues(pc, num_options, options,
2909 (int)(sizeof(finishings) /
2910 sizeof(finishings[0])),
2911 finishings);
2912 if (num_finishings > 0)
2913 ippAddIntegers(request, IPP_TAG_JOB, IPP_TAG_ENUM, "finishings",
2914 num_finishings, finishings);
2915
2916 /*
2917 * Map FaxOut options...
2918 */
2919
2920 if ((keyword = cupsGetOption("phone", num_options, options)) != NULL)
2921 {
2922 ipp_t *destination; /* destination collection */
2923 char phone[1024], /* Phone number string */
2924 *ptr, /* Pointer into string */
2925 tel_uri[1024]; /* tel: URI */
2926 static const char * const allowed = "0123456789#*-+.()";
2927 /* Allowed characters */
2928
2929 destination = ippNew();
2930
2931 /*
2932 * Unescape and filter out spaces and other characters that are not
2933 * allowed in a tel: URI.
2934 */
2935
2936 _httpDecodeURI(phone, keyword, sizeof(phone));
2937 for (ptr = phone; *ptr;)
2938 {
2939 if (!strchr(allowed, *ptr))
2940 _cups_strcpy(ptr, ptr + 1);
2941 else
2942 ptr ++;
2943 }
2944
2945 httpAssembleURI(HTTP_URI_CODING_ALL, tel_uri, sizeof(tel_uri), "tel", NULL, NULL, 0, phone);
2946 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_URI, "destination-uri", NULL, tel_uri);
2947
2948 if ((keyword = cupsGetOption("faxPrefix", num_options,
2949 options)) != NULL && *keyword)
2950 {
2951 char predial[1024]; /* Pre-dial string */
2952
2953 _httpDecodeURI(predial, keyword, sizeof(predial));
2954 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_TEXT, "pre-dial-string", NULL, predial);
2955 }
2956
2957 ippAddCollection(request, IPP_TAG_JOB, "destination-uris", destination);
2958 ippDelete(destination);
2959 }
2960 }
2961 else
2962 {
2963 /*
2964 * When talking to another CUPS server, send all options...
2965 */
2966
2967 fputs("DEBUG: Adding all operation/job attributes.\n", stderr);
2968 cupsEncodeOptions2(request, num_options, options, IPP_TAG_OPERATION);
2969 cupsEncodeOptions2(request, num_options, options, IPP_TAG_JOB);
2970 }
2971
2972 if (copies > 1 && (!pc || copies <= pc->max_copies))
2973 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", copies);
2974 }
2975
2976 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10,
2977 ippOpString(ippGetOperation(request)), ippGetRequestId(request));
2978 for (group = IPP_TAG_ZERO, attr = ippFirstAttribute(request);
2979 attr;
2980 attr = ippNextAttribute(request))
2981 {
2982 const char *name = ippGetName(attr);
2983
2984 if (!name)
2985 {
2986 group = IPP_TAG_ZERO;
2987 continue;
2988 }
2989
2990 if (group != ippGetGroupTag(attr))
2991 {
2992 group = ippGetGroupTag(attr);
2993 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(group));
2994 }
2995
2996 ippAttributeString(attr, buffer, sizeof(buffer));
2997 fprintf(stderr, "DEBUG: %s %s%s %s\n", name,
2998 ippGetCount(attr) > 1 ? "1setOf " : "",
2999 ippTagString(ippGetValueTag(attr)), buffer);
3000 }
3001
3002 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(IPP_TAG_END));
3003
3004 return (request);
3005 }
3006
3007
3008 /*
3009 * 'password_cb()' - Disable the password prompt for cupsDoFileRequest().
3010 */
3011
3012 static const char * /* O - Password */
3013 password_cb(const char *prompt, /* I - Prompt (not used) */
3014 http_t *http, /* I - Connection */
3015 const char *method, /* I - Request method (not used) */
3016 const char *resource, /* I - Resource path (not used) */
3017 int *password_tries) /* I - Password tries */
3018 {
3019 char def_username[HTTP_MAX_VALUE]; /* Default username */
3020
3021
3022 fprintf(stderr, "DEBUG: password_cb(prompt=\"%s\", http=%p, method=\"%s\", "
3023 "resource=\"%s\", password_tries=%p(%d)), password=%p\n",
3024 prompt, http, method, resource, password_tries, *password_tries,
3025 password);
3026
3027 (void)prompt;
3028 (void)method;
3029 (void)resource;
3030
3031 /*
3032 * Remember that we need to authenticate...
3033 */
3034
3035 auth_info_required = "username,password";
3036
3037 if (httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "username",
3038 def_username))
3039 {
3040 char quoted[HTTP_MAX_VALUE * 2 + 4];
3041 /* Quoted string */
3042
3043 fprintf(stderr, "ATTR: auth-info-default=%s,\n",
3044 quote_string(def_username, quoted, sizeof(quoted)));
3045 }
3046
3047 if (password && *password && *password_tries < 3)
3048 {
3049 (*password_tries) ++;
3050
3051 cupsSetUser(username);
3052
3053 return (password);
3054 }
3055 else
3056 {
3057 /*
3058 * Give up after 3 tries or if we don't have a password to begin with...
3059 */
3060
3061 return (NULL);
3062 }
3063 }
3064
3065
3066 /*
3067 * 'quote_string()' - Quote a string value.
3068 */
3069
3070 static const char * /* O - Quoted string */
3071 quote_string(const char *s, /* I - String */
3072 char *q, /* I - Quoted string buffer */
3073 size_t qsize) /* I - Size of quoted string buffer */
3074 {
3075 char *qptr, /* Pointer into string buffer */
3076 *qend; /* End of string buffer */
3077
3078
3079 qptr = q;
3080 qend = q + qsize - 5;
3081
3082 if (qend < q)
3083 {
3084 *q = '\0';
3085 return (q);
3086 }
3087
3088 *qptr++ = '\'';
3089 *qptr++ = '\"';
3090
3091 while (*s && qptr < qend)
3092 {
3093 if (*s == '\\' || *s == '\"' || *s == '\'')
3094 {
3095 if (qptr < (qend - 4))
3096 {
3097 *qptr++ = '\\';
3098 *qptr++ = '\\';
3099 *qptr++ = '\\';
3100 }
3101 else
3102 break;
3103 }
3104
3105 *qptr++ = *s++;
3106 }
3107
3108 *qptr++ = '\"';
3109 *qptr++ = '\'';
3110 *qptr = '\0';
3111
3112 return (q);
3113 }
3114
3115
3116 /*
3117 * 'report_attr()' - Report an IPP attribute value.
3118 */
3119
3120 static void
3121 report_attr(ipp_attribute_t *attr) /* I - Attribute */
3122 {
3123 int i; /* Looping var */
3124 char value[1024], /* Value string */
3125 *valptr; /* Pointer into value string */
3126 const char *cached; /* Cached attribute */
3127
3128
3129 /*
3130 * Convert the attribute values into quoted strings...
3131 */
3132
3133 for (i = 0, valptr = value;
3134 i < attr->num_values && valptr < (value + sizeof(value) - 10);
3135 i ++)
3136 {
3137 if (i > 0)
3138 *valptr++ = ',';
3139
3140 switch (attr->value_tag)
3141 {
3142 case IPP_TAG_INTEGER :
3143 case IPP_TAG_ENUM :
3144 snprintf(valptr, sizeof(value) - (size_t)(valptr - value), "%d", attr->values[i].integer);
3145 valptr += strlen(valptr);
3146 break;
3147
3148 case IPP_TAG_TEXT :
3149 case IPP_TAG_NAME :
3150 case IPP_TAG_KEYWORD :
3151 quote_string(attr->values[i].string.text, valptr, (size_t)(value + sizeof(value) - valptr));
3152 valptr += strlen(valptr);
3153 break;
3154
3155 default :
3156 /*
3157 * Unsupported value type...
3158 */
3159
3160 return;
3161 }
3162 }
3163
3164 *valptr = '\0';
3165
3166 _cupsMutexLock(&report_mutex);
3167
3168 if ((cached = cupsGetOption(attr->name, num_attr_cache,
3169 attr_cache)) == NULL || strcmp(cached, value))
3170 {
3171 /*
3172 * Tell the scheduler about the new values...
3173 */
3174
3175 num_attr_cache = cupsAddOption(attr->name, value, num_attr_cache,
3176 &attr_cache);
3177 fprintf(stderr, "ATTR: %s=%s\n", attr->name, value);
3178 }
3179
3180 _cupsMutexUnlock(&report_mutex);
3181 }
3182
3183
3184 /*
3185 * 'report_printer_state()' - Report the printer state.
3186 */
3187
3188 static void
3189 report_printer_state(ipp_t *ipp) /* I - IPP response */
3190 {
3191 ipp_attribute_t *pa, /* printer-alert */
3192 *pam, /* printer-alert-message */
3193 *psm, /* printer-state-message */
3194 *reasons, /* printer-state-reasons */
3195 *marker; /* marker-* attributes */
3196 char value[1024], /* State/message string */
3197 *valptr; /* Pointer into string */
3198 static int ipp_supplies = -1;
3199 /* Report supply levels? */
3200
3201
3202 /*
3203 * Report alerts and messages...
3204 */
3205
3206 if ((pa = ippFindAttribute(ipp, "printer-alert", IPP_TAG_TEXT)) != NULL)
3207 report_attr(pa);
3208
3209 if ((pam = ippFindAttribute(ipp, "printer-alert-message",
3210 IPP_TAG_TEXT)) != NULL)
3211 report_attr(pam);
3212
3213 if ((psm = ippFindAttribute(ipp, "printer-state-message",
3214 IPP_TAG_TEXT)) != NULL)
3215 {
3216 char *ptr; /* Pointer into message */
3217
3218
3219 strlcpy(value, "INFO: ", sizeof(value));
3220 for (ptr = psm->values[0].string.text, valptr = value + 6;
3221 *ptr && valptr < (value + sizeof(value) - 6);
3222 ptr ++)
3223 {
3224 if (*ptr < ' ' && *ptr > 0 && *ptr != '\t')
3225 {
3226 /*
3227 * Substitute "<XX>" for the control character; sprintf is safe because
3228 * we always leave 6 chars free at the end...
3229 */
3230
3231 sprintf(valptr, "<%02X>", *ptr);
3232 valptr += 4;
3233 }
3234 else
3235 *valptr++ = *ptr;
3236 }
3237
3238 *valptr++ = '\n';
3239 *valptr = '\0';
3240
3241 fputs(value, stderr);
3242 }
3243
3244 /*
3245 * Now report printer-state-reasons, filtering out some of the reasons we never
3246 * want to set...
3247 */
3248
3249 if ((reasons = ippFindAttribute(ipp, "printer-state-reasons",
3250 IPP_TAG_KEYWORD)) == NULL)
3251 return;
3252
3253 update_reasons(reasons, NULL);
3254
3255 /*
3256 * Relay the current marker-* attribute values...
3257 */
3258
3259 if (ipp_supplies < 0)
3260 {
3261 ppd_file_t *ppd; /* PPD file */
3262 ppd_attr_t *ppdattr; /* Attribute in PPD file */
3263
3264 if ((ppd = ppdOpenFile(getenv("PPD"))) != NULL &&
3265 (ppdattr = ppdFindAttr(ppd, "cupsIPPSupplies", NULL)) != NULL &&
3266 ppdattr->value && _cups_strcasecmp(ppdattr->value, "true"))
3267 ipp_supplies = 0;
3268 else
3269 ipp_supplies = 1;
3270
3271 ppdClose(ppd);
3272 }
3273
3274 if (ipp_supplies > 0)
3275 {
3276 if ((marker = ippFindAttribute(ipp, "marker-colors", IPP_TAG_NAME)) != NULL)
3277 report_attr(marker);
3278 if ((marker = ippFindAttribute(ipp, "marker-high-levels",
3279 IPP_TAG_INTEGER)) != NULL)
3280 report_attr(marker);
3281 if ((marker = ippFindAttribute(ipp, "marker-levels",
3282 IPP_TAG_INTEGER)) != NULL)
3283 report_attr(marker);
3284 if ((marker = ippFindAttribute(ipp, "marker-low-levels",
3285 IPP_TAG_INTEGER)) != NULL)
3286 report_attr(marker);
3287 if ((marker = ippFindAttribute(ipp, "marker-message",
3288 IPP_TAG_TEXT)) != NULL)
3289 report_attr(marker);
3290 if ((marker = ippFindAttribute(ipp, "marker-names", IPP_TAG_NAME)) != NULL)
3291 report_attr(marker);
3292 if ((marker = ippFindAttribute(ipp, "marker-types",
3293 IPP_TAG_KEYWORD)) != NULL)
3294 report_attr(marker);
3295 }
3296 }
3297
3298
3299 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3300 /*
3301 * 'run_as_user()' - Run the IPP backend as the printing user.
3302 *
3303 * This function uses an XPC-based user agent to run the backend as the printing
3304 * user. We need to do this in order to have access to the user's Kerberos
3305 * credentials.
3306 */
3307
3308 static int /* O - Exit status */
3309 run_as_user(char *argv[], /* I - Command-line arguments */
3310 uid_t uid, /* I - User ID */
3311 const char *device_uri, /* I - Device URI */
3312 int fd) /* I - File to print */
3313 {
3314 const char *auth_negotiate;/* AUTH_NEGOTIATE env var */
3315 xpc_connection_t conn; /* Connection to XPC service */
3316 xpc_object_t request; /* Request message dictionary */
3317 __block xpc_object_t response; /* Response message dictionary */
3318 dispatch_semaphore_t sem; /* Semaphore for waiting for response */
3319 int status = CUPS_BACKEND_FAILED;
3320 /* Status of request */
3321
3322
3323 fprintf(stderr, "DEBUG: Running IPP backend as UID %d.\n", (int)uid);
3324
3325 /*
3326 * Connect to the user agent for the specified UID...
3327 */
3328
3329 conn = xpc_connection_create_mach_service(kPMPrintUIToolAgent,
3330 dispatch_get_global_queue(0, 0), 0);
3331 if (!conn)
3332 {
3333 _cupsLangPrintFilter(stderr, "ERROR",
3334 _("Unable to start backend process."));
3335 fputs("DEBUG: Unable to create connection to agent.\n", stderr);
3336 goto cleanup;
3337 }
3338
3339 xpc_connection_set_event_handler(conn,
3340 ^(xpc_object_t event)
3341 {
3342 xpc_type_t messageType = xpc_get_type(event);
3343
3344 if (messageType == XPC_TYPE_ERROR)
3345 {
3346 if (event == XPC_ERROR_CONNECTION_INTERRUPTED)
3347 fprintf(stderr, "DEBUG: Interrupted connection to service %s.\n",
3348 xpc_connection_get_name(conn));
3349 else if (event == XPC_ERROR_CONNECTION_INVALID)
3350 fprintf(stderr, "DEBUG: Connection invalid for service %s.\n",
3351 xpc_connection_get_name(conn));
3352 else
3353 fprintf(stderr, "DEBUG: Unxpected error for service %s: %s\n",
3354 xpc_connection_get_name(conn),
3355 xpc_dictionary_get_string(event, XPC_ERROR_KEY_DESCRIPTION));
3356 }
3357 });
3358 xpc_connection_set_target_uid(conn, uid);
3359 xpc_connection_resume(conn);
3360
3361 /*
3362 * Try starting the backend...
3363 */
3364
3365 request = xpc_dictionary_create(NULL, NULL, 0);
3366 xpc_dictionary_set_int64(request, "command", kPMStartJob);
3367 xpc_dictionary_set_string(request, "device-uri", device_uri);
3368 xpc_dictionary_set_string(request, "job-id", argv[1]);
3369 xpc_dictionary_set_string(request, "user", argv[2]);
3370 xpc_dictionary_set_string(request, "title", argv[3]);
3371 xpc_dictionary_set_string(request, "copies", argv[4]);
3372 xpc_dictionary_set_string(request, "options", argv[5]);
3373 xpc_dictionary_set_string(request, "auth-info-required",
3374 getenv("AUTH_INFO_REQUIRED"));
3375 if ((auth_negotiate = getenv("AUTH_NEGOTIATE")) != NULL)
3376 xpc_dictionary_set_string(request, "auth-negotiate", auth_negotiate);
3377 xpc_dictionary_set_fd(request, "stdin", fd);
3378 xpc_dictionary_set_fd(request, "stderr", 2);
3379 xpc_dictionary_set_fd(request, "side-channel", CUPS_SC_FD);
3380
3381 sem = dispatch_semaphore_create(0);
3382 response = NULL;
3383
3384 xpc_connection_send_message_with_reply(conn, request,
3385 dispatch_get_global_queue(0,0),
3386 ^(xpc_object_t reply)
3387 {
3388 /* Save the response and wake up */
3389 if (xpc_get_type(reply)
3390 == XPC_TYPE_DICTIONARY)
3391 response = xpc_retain(reply);
3392
3393 dispatch_semaphore_signal(sem);
3394 });
3395
3396 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
3397 xpc_release(request);
3398 dispatch_release(sem);
3399
3400 if (response)
3401 {
3402 child_pid = (pid_t)xpc_dictionary_get_int64(response, "child-pid");
3403
3404 xpc_release(response);
3405
3406 if (child_pid)
3407 fprintf(stderr, "DEBUG: Child PID=%d.\n", (int)child_pid);
3408 else
3409 {
3410 _cupsLangPrintFilter(stderr, "ERROR",
3411 _("Unable to start backend process."));
3412 fputs("DEBUG: No child PID.\n", stderr);
3413 goto cleanup;
3414 }
3415 }
3416 else
3417 {
3418 _cupsLangPrintFilter(stderr, "ERROR",
3419 _("Unable to start backend process."));
3420 fputs("DEBUG: No reply from agent.\n", stderr);
3421 goto cleanup;
3422 }
3423
3424 /*
3425 * Then wait for the backend to finish...
3426 */
3427
3428 request = xpc_dictionary_create(NULL, NULL, 0);
3429 xpc_dictionary_set_int64(request, "command", kPMWaitForJob);
3430 xpc_dictionary_set_fd(request, "stderr", 2);
3431
3432 sem = dispatch_semaphore_create(0);
3433 response = NULL;
3434
3435 xpc_connection_send_message_with_reply(conn, request,
3436 dispatch_get_global_queue(0,0),
3437 ^(xpc_object_t reply)
3438 {
3439 /* Save the response and wake up */
3440 if (xpc_get_type(reply)
3441 == XPC_TYPE_DICTIONARY)
3442 response = xpc_retain(reply);
3443
3444 dispatch_semaphore_signal(sem);
3445 });
3446
3447 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
3448 xpc_release(request);
3449 dispatch_release(sem);
3450
3451 if (response)
3452 {
3453 status = (int)xpc_dictionary_get_int64(response, "status");
3454
3455 if (status == SIGTERM || status == SIGKILL || status == SIGPIPE)
3456 {
3457 fprintf(stderr, "DEBUG: Child terminated on signal %d.\n", status);
3458 status = CUPS_BACKEND_FAILED;
3459 }
3460 else if (WIFSIGNALED(status))
3461 {
3462 fprintf(stderr, "DEBUG: Child crashed on signal %d.\n", status);
3463 status = CUPS_BACKEND_STOP;
3464 }
3465 else if (WIFEXITED(status))
3466 {
3467 status = WEXITSTATUS(status);
3468 fprintf(stderr, "DEBUG: Child exited with status %d.\n", status);
3469 }
3470
3471 xpc_release(response);
3472 }
3473 else
3474 _cupsLangPrintFilter(stderr, "ERROR",
3475 _("Unable to get backend exit status."));
3476
3477 cleanup:
3478
3479 if (conn)
3480 {
3481 xpc_connection_cancel(conn);
3482 xpc_release(conn);
3483 }
3484
3485 return (status);
3486 }
3487 #endif /* HAVE_GSSAPI && HAVE_XPC */
3488
3489
3490 /*
3491 * 'sigterm_handler()' - Handle 'terminate' signals that stop the backend.
3492 */
3493
3494 static void
3495 sigterm_handler(int sig) /* I - Signal */
3496 {
3497 (void)sig; /* remove compiler warnings... */
3498
3499 write(2, "DEBUG: Got SIGTERM.\n", 20);
3500
3501 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3502 if (child_pid)
3503 {
3504 kill(child_pid, sig);
3505 child_pid = 0;
3506 }
3507 #endif /* HAVE_GSSAPI && HAVE_XPC */
3508
3509 if (!job_canceled)
3510 {
3511 /*
3512 * Flag that the job should be canceled...
3513 */
3514
3515 write(2, "DEBUG: job_canceled = 1.\n", 25);
3516
3517 job_canceled = 1;
3518 return;
3519 }
3520
3521 /*
3522 * The scheduler already tried to cancel us once, now just terminate
3523 * after removing our temp file!
3524 */
3525
3526 if (tmpfilename[0])
3527 unlink(tmpfilename);
3528
3529 exit(1);
3530 }
3531
3532
3533 /*
3534 * 'timeout_cb()' - Handle HTTP timeouts.
3535 */
3536
3537 static int /* O - 1 to continue, 0 to cancel */
3538 timeout_cb(http_t *http, /* I - Connection to server (unused) */
3539 void *user_data) /* I - User data (unused) */
3540 {
3541 (void)http;
3542 (void)user_data;
3543
3544 return (!job_canceled);
3545 }
3546
3547
3548 /*
3549 * 'update_reasons()' - Update the printer-state-reasons values.
3550 */
3551
3552 static void
3553 update_reasons(ipp_attribute_t *attr, /* I - printer-state-reasons or NULL */
3554 const char *s) /* I - STATE: string or NULL */
3555 {
3556 char op; /* Add (+), remove (-), replace (\0) */
3557 cups_array_t *new_reasons; /* New reasons array */
3558 char *reason, /* Current reason */
3559 add[2048], /* Reasons added string */
3560 *addptr, /* Pointer into add string */
3561 rem[2048], /* Reasons removed string */
3562 *remptr; /* Pointer into remove string */
3563 const char *addprefix, /* Current add string prefix */
3564 *remprefix; /* Current remove string prefix */
3565
3566
3567 fprintf(stderr, "DEBUG: update_reasons(attr=%d(%s%s), s=\"%s\")\n",
3568 attr ? attr->num_values : 0, attr ? attr->values[0].string.text : "",
3569 attr && attr->num_values > 1 ? ",..." : "", s ? s : "(null)");
3570
3571 /*
3572 * Create an array of new reason keyword strings...
3573 */
3574
3575 if (attr)
3576 {
3577 int i; /* Looping var */
3578
3579 new_reasons = cupsArrayNew((cups_array_func_t)strcmp, NULL);
3580 op = '\0';
3581
3582 for (i = 0; i < attr->num_values; i ++)
3583 {
3584 reason = attr->values[i].string.text;
3585
3586 if (strcmp(reason, "none") &&
3587 strcmp(reason, "none-report") &&
3588 strcmp(reason, "paused") &&
3589 strncmp(reason, "spool-area-full", 15) &&
3590 strcmp(reason, "com.apple.print.recoverable-warning") &&
3591 strncmp(reason, "cups-", 5))
3592 cupsArrayAdd(new_reasons, reason);
3593 }
3594 }
3595 else if (s)
3596 {
3597 if (*s == '+' || *s == '-')
3598 op = *s++;
3599 else
3600 op = '\0';
3601
3602 new_reasons = _cupsArrayNewStrings(s, ',');
3603 }
3604 else
3605 return;
3606
3607 /*
3608 * Compute the changes...
3609 */
3610
3611 add[0] = '\0';
3612 addprefix = "STATE: +";
3613 addptr = add;
3614 rem[0] = '\0';
3615 remprefix = "STATE: -";
3616 remptr = rem;
3617
3618 fprintf(stderr, "DEBUG2: op='%c', new_reasons=%d, state_reasons=%d\n",
3619 op ? op : ' ', cupsArrayCount(new_reasons),
3620 cupsArrayCount(state_reasons));
3621
3622 _cupsMutexLock(&report_mutex);
3623
3624 if (op == '+')
3625 {
3626 /*
3627 * Add reasons...
3628 */
3629
3630 for (reason = (char *)cupsArrayFirst(new_reasons);
3631 reason;
3632 reason = (char *)cupsArrayNext(new_reasons))
3633 {
3634 if (!cupsArrayFind(state_reasons, reason))
3635 {
3636 if (!strncmp(reason, "cups-remote-", 12))
3637 {
3638 /*
3639 * If we are setting cups-remote-xxx, remove all other cups-remote-xxx
3640 * keywords...
3641 */
3642
3643 char *temp; /* Current reason in state_reasons */
3644
3645 cupsArraySave(state_reasons);
3646
3647 for (temp = (char *)cupsArrayFirst(state_reasons);
3648 temp;
3649 temp = (char *)cupsArrayNext(state_reasons))
3650 if (!strncmp(temp, "cups-remote-", 12))
3651 {
3652 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, temp);
3653 remptr += strlen(remptr);
3654 remprefix = ",";
3655
3656 cupsArrayRemove(state_reasons, temp);
3657 break;
3658 }
3659
3660 cupsArrayRestore(state_reasons);
3661 }
3662
3663 cupsArrayAdd(state_reasons, reason);
3664
3665 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason);
3666 addptr += strlen(addptr);
3667 addprefix = ",";
3668 }
3669 }
3670 }
3671 else if (op == '-')
3672 {
3673 /*
3674 * Remove reasons...
3675 */
3676
3677 for (reason = (char *)cupsArrayFirst(new_reasons);
3678 reason;
3679 reason = (char *)cupsArrayNext(new_reasons))
3680 {
3681 if (cupsArrayFind(state_reasons, reason))
3682 {
3683 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason);
3684 remptr += strlen(remptr);
3685 remprefix = ",";
3686
3687 cupsArrayRemove(state_reasons, reason);
3688 }
3689 }
3690 }
3691 else
3692 {
3693 /*
3694 * Replace reasons...
3695 */
3696
3697 for (reason = (char *)cupsArrayFirst(state_reasons);
3698 reason;
3699 reason = (char *)cupsArrayNext(state_reasons))
3700 {
3701 if (strncmp(reason, "cups-", 5) && !cupsArrayFind(new_reasons, reason))
3702 {
3703 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason);
3704 remptr += strlen(remptr);
3705 remprefix = ",";
3706
3707 cupsArrayRemove(state_reasons, reason);
3708 }
3709 }
3710
3711 for (reason = (char *)cupsArrayFirst(new_reasons);
3712 reason;
3713 reason = (char *)cupsArrayNext(new_reasons))
3714 {
3715 if (!cupsArrayFind(state_reasons, reason))
3716 {
3717 cupsArrayAdd(state_reasons, reason);
3718
3719 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason);
3720 addptr += strlen(addptr);
3721 addprefix = ",";
3722 }
3723 }
3724 }
3725
3726 _cupsMutexUnlock(&report_mutex);
3727
3728 /*
3729 * Report changes and return...
3730 */
3731
3732 if (add[0] && rem[0])
3733 fprintf(stderr, "%s\n%s\n", add, rem);
3734 else if (add[0])
3735 fprintf(stderr, "%s\n", add);
3736 else if (rem[0])
3737 fprintf(stderr, "%s\n", rem);
3738 }
3739
3740 /*
3741 * End of "$Id$".
3742 */
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