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[thirdparty/cups.git] / backend / ipp.c
1 /*
2 * "$Id: ipp.c 12048 2014-07-18 14:26:14Z msweet $"
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 uri_credentials = 0;
97 /* Credentials supplied in URI? */
98 static char username[256] = "",
99 /* Username for device URI */
100 *password = NULL;
101 /* Password for device URI */
102 static const char * const pattrs[] = /* Printer attributes we want */
103 {
104 #ifdef HAVE_LIBZ
105 "compression-supported",
106 #endif /* HAVE_LIBZ */
107 "copies-supported",
108 "cups-version",
109 "document-format-supported",
110 "marker-colors",
111 "marker-high-levels",
112 "marker-levels",
113 "marker-low-levels",
114 "marker-message",
115 "marker-names",
116 "marker-types",
117 "media-col-supported",
118 "multiple-document-handling-supported",
119 "operations-supported",
120 "print-color-mode-supported",
121 "printer-alert",
122 "printer-alert-description",
123 "printer-is-accepting-jobs",
124 "printer-state",
125 "printer-state-message",
126 "printer-state-reasons"
127 };
128 static const char * const remote_job_states[] =
129 { /* Remote job state keywords */
130 "+cups-remote-pending",
131 "+cups-remote-pending-held",
132 "+cups-remote-processing",
133 "+cups-remote-stopped",
134 "+cups-remote-canceled",
135 "+cups-remote-aborted",
136 "+cups-remote-completed"
137 };
138 static _cups_mutex_t report_mutex = _CUPS_MUTEX_INITIALIZER;
139 /* Mutex to control access */
140 static int num_attr_cache = 0;
141 /* Number of cached attributes */
142 static cups_option_t *attr_cache = NULL;
143 /* Cached attributes */
144 static cups_array_t *state_reasons; /* Array of printe-state-reasons keywords */
145 static char tmpfilename[1024] = "";
146 /* Temporary spool file name */
147
148
149 /*
150 * Local functions...
151 */
152
153 static void cancel_job(http_t *http, const char *uri, int id,
154 const char *resource, const char *user,
155 int version);
156 static ipp_pstate_t check_printer_state(http_t *http, const char *uri,
157 const char *resource,
158 const char *user, int version);
159 static void *monitor_printer(_cups_monitor_t *monitor);
160 static ipp_t *new_request(ipp_op_t op, int version, const char *uri,
161 const char *user, const char *title,
162 int num_options, cups_option_t *options,
163 const char *compression, int copies,
164 const char *format, _ppd_cache_t *pc,
165 ppd_file_t *ppd,
166 ipp_attribute_t *media_col_sup,
167 ipp_attribute_t *doc_handling_sup,
168 ipp_attribute_t *print_color_mode_sup);
169 static const char *password_cb(const char *prompt, http_t *http,
170 const char *method, const char *resource,
171 int *user_data);
172 static const char *quote_string(const char *s, char *q, size_t qsize);
173 static void report_attr(ipp_attribute_t *attr);
174 static void report_printer_state(ipp_t *ipp);
175 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
176 static int run_as_user(char *argv[], uid_t uid,
177 const char *device_uri, int fd);
178 #endif /* HAVE_GSSAPI && HAVE_XPC */
179 static void sigterm_handler(int sig);
180 static int timeout_cb(http_t *http, void *user_data);
181 static void update_reasons(ipp_attribute_t *attr, const char *s);
182
183
184 /*
185 * 'main()' - Send a file to the printer or server.
186 *
187 * Usage:
188 *
189 * printer-uri job-id user title copies options [file]
190 */
191
192 int /* O - Exit status */
193 main(int argc, /* I - Number of command-line args */
194 char *argv[]) /* I - Command-line arguments */
195 {
196 int i; /* Looping var */
197 int send_options; /* Send job options? */
198 int num_options; /* Number of printer options */
199 cups_option_t *options; /* Printer options */
200 const char *device_uri; /* Device URI */
201 char scheme[255], /* Scheme in URI */
202 hostname[1024], /* Hostname */
203 resource[1024], /* Resource info (printer name) */
204 addrname[256], /* Address name */
205 *optptr, /* Pointer to URI options */
206 *name, /* Name of option */
207 *value, /* Value of option */
208 sep; /* Separator character */
209 int password_tries = 0; /* Password tries */
210 http_addrlist_t *addrlist; /* Address of printer */
211 int snmp_enabled = 1; /* Is SNMP enabled? */
212 int snmp_fd, /* SNMP socket */
213 start_count, /* Page count via SNMP at start */
214 page_count, /* Page count via SNMP */
215 have_supplies; /* Printer supports supply levels? */
216 int num_files; /* Number of files to print */
217 char **files, /* Files to print */
218 *compatfile = NULL; /* Compatibility filename */
219 off_t compatsize = 0; /* Size of compatibility file */
220 int port; /* Port number (not used) */
221 char portname[255]; /* Port name */
222 char uri[HTTP_MAX_URI]; /* Updated URI without user/pass */
223 char print_job_name[1024]; /* Update job-name for Print-Job */
224 http_status_t http_status; /* Status of HTTP request */
225 ipp_status_t ipp_status; /* Status of IPP request */
226 http_t *http; /* HTTP connection */
227 ipp_t *request, /* IPP request */
228 *response, /* IPP response */
229 *supported; /* get-printer-attributes response */
230 time_t start_time; /* Time of first connect */
231 int contimeout; /* Connection timeout */
232 int delay, /* Delay for retries */
233 prev_delay; /* Previous delay */
234 const char *compression; /* Compression mode */
235 int waitjob, /* Wait for job complete? */
236 waitjob_tries = 0, /* Number of times we've waited */
237 waitprinter; /* Wait for printer ready? */
238 _cups_monitor_t monitor; /* Monitoring data */
239 ipp_attribute_t *job_id_attr; /* job-id attribute */
240 int job_id; /* job-id value */
241 ipp_attribute_t *job_sheets; /* job-media-sheets-completed */
242 ipp_attribute_t *job_state; /* job-state */
243 #ifdef HAVE_LIBZ
244 ipp_attribute_t *compression_sup; /* compression-supported */
245 #endif /* HAVE_LIBZ */
246 ipp_attribute_t *copies_sup; /* copies-supported */
247 ipp_attribute_t *cups_version; /* cups-version */
248 ipp_attribute_t *format_sup; /* document-format-supported */
249 ipp_attribute_t *job_auth; /* job-authorization-uri */
250 ipp_attribute_t *media_col_sup; /* media-col-supported */
251 ipp_attribute_t *operations_sup; /* operations-supported */
252 ipp_attribute_t *doc_handling_sup; /* multiple-document-handling-supported */
253 ipp_attribute_t *printer_state; /* printer-state attribute */
254 ipp_attribute_t *printer_accepting; /* printer-is-accepting-jobs */
255 ipp_attribute_t *print_color_mode_sup;/* Does printer support print-color-mode? */
256 int create_job = 0, /* Does printer support Create-Job? */
257 get_job_attrs = 0, /* Does printer support Get-Job-Attributes? */
258 send_document = 0, /* Does printer support Send-Document? */
259 validate_job = 0, /* Does printer support Validate-Job? */
260 copies, /* Number of copies for job */
261 copies_remaining; /* Number of copies remaining */
262 const char *content_type, /* CONTENT_TYPE environment variable */
263 *final_content_type, /* FINAL_CONTENT_TYPE environment var */
264 *document_format; /* document-format value */
265 int fd; /* File descriptor */
266 off_t bytes = 0; /* Bytes copied */
267 char buffer[16384]; /* Copy buffer */
268 #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
269 struct sigaction action; /* Actions for POSIX signals */
270 #endif /* HAVE_SIGACTION && !HAVE_SIGSET */
271 int version; /* IPP version */
272 ppd_file_t *ppd = NULL; /* PPD file */
273 _ppd_cache_t *pc = NULL; /* PPD cache and mapping data */
274 fd_set input; /* Input set for select() */
275
276
277 /*
278 * Make sure status messages are not buffered...
279 */
280
281 setbuf(stderr, NULL);
282
283 /*
284 * Ignore SIGPIPE and catch SIGTERM signals...
285 */
286
287 #ifdef HAVE_SIGSET
288 sigset(SIGPIPE, SIG_IGN);
289 sigset(SIGTERM, sigterm_handler);
290 #elif defined(HAVE_SIGACTION)
291 memset(&action, 0, sizeof(action));
292 action.sa_handler = SIG_IGN;
293 sigaction(SIGPIPE, &action, NULL);
294
295 sigemptyset(&action.sa_mask);
296 sigaddset(&action.sa_mask, SIGTERM);
297 action.sa_handler = sigterm_handler;
298 sigaction(SIGTERM, &action, NULL);
299 #else
300 signal(SIGPIPE, SIG_IGN);
301 signal(SIGTERM, sigterm_handler);
302 #endif /* HAVE_SIGSET */
303
304 /*
305 * Check command-line...
306 */
307
308 if (argc == 1)
309 {
310 char *s;
311
312 if ((s = strrchr(argv[0], '/')) != NULL)
313 s ++;
314 else
315 s = argv[0];
316
317 printf("network %s \"Unknown\" \"%s (%s)\"\n",
318 s, _cupsLangString(cupsLangDefault(),
319 _("Internet Printing Protocol")), s);
320 return (CUPS_BACKEND_OK);
321 }
322 else if (argc < 6)
323 {
324 _cupsLangPrintf(stderr,
325 _("Usage: %s job-id user title copies options [file]"),
326 argv[0]);
327 return (CUPS_BACKEND_STOP);
328 }
329
330 /*
331 * Get the device URI...
332 */
333
334 while ((device_uri = cupsBackendDeviceURI(argv)) == NULL)
335 {
336 _cupsLangPrintFilter(stderr, "INFO", _("Unable to locate printer."));
337 sleep(10);
338
339 if (getenv("CLASS") != NULL)
340 return (CUPS_BACKEND_FAILED);
341 }
342
343 if ((auth_info_required = getenv("AUTH_INFO_REQUIRED")) == NULL)
344 auth_info_required = "none";
345
346 state_reasons = _cupsArrayNewStrings(getenv("PRINTER_STATE_REASONS"), ',');
347
348 #ifdef HAVE_GSSAPI
349 /*
350 * For Kerberos, become the printing user (if we can) to get the credentials
351 * that way.
352 */
353
354 if (!getuid() && (value = getenv("AUTH_UID")) != NULL &&
355 !getenv("AUTH_PASSWORD"))
356 {
357 uid_t uid = (uid_t)atoi(value);
358 /* User ID */
359
360 # ifdef HAVE_XPC
361 if (uid > 0)
362 {
363 if (argc == 6)
364 return (run_as_user(argv, uid, device_uri, 0));
365 else
366 {
367 int status = 0; /* Exit status */
368
369 for (i = 6; i < argc && !status && !job_canceled; i ++)
370 {
371 if ((fd = open(argv[i], O_RDONLY)) >= 0)
372 {
373 status = run_as_user(argv, uid, device_uri, fd);
374 close(fd);
375 }
376 else
377 {
378 _cupsLangPrintError("ERROR", _("Unable to open print file"));
379 status = CUPS_BACKEND_FAILED;
380 }
381 }
382
383 return (status);
384 }
385 }
386
387 # else /* No XPC, just try to run as the user ID */
388 if (uid > 0)
389 seteuid(uid);
390 # endif /* HAVE_XPC */
391 }
392 #endif /* HAVE_GSSAPI */
393
394 /*
395 * Get the (final) content type...
396 */
397
398 if ((content_type = getenv("CONTENT_TYPE")) == NULL)
399 content_type = "application/octet-stream";
400
401 if ((final_content_type = getenv("FINAL_CONTENT_TYPE")) == NULL)
402 {
403 final_content_type = content_type;
404
405 if (!strncmp(final_content_type, "printer/", 8))
406 final_content_type = "application/vnd.cups-raw";
407 }
408
409 /*
410 * Extract the hostname and printer name from the URI...
411 */
412
413 httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme),
414 username, sizeof(username), hostname, sizeof(hostname), &port,
415 resource, sizeof(resource));
416
417 if (!port)
418 port = IPP_PORT; /* Default to port 631 */
419
420 if (!strcmp(scheme, "https") || !strcmp(scheme, "ipps"))
421 cupsSetEncryption(HTTP_ENCRYPT_ALWAYS);
422 else
423 cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED);
424
425 /*
426 * See if there are any options...
427 */
428
429 compression = NULL;
430 version = 20;
431 waitjob = 1;
432 waitprinter = 1;
433 contimeout = 7 * 24 * 60 * 60;
434
435 if ((optptr = strchr(resource, '?')) != NULL)
436 {
437 /*
438 * Yup, terminate the device name string and move to the first
439 * character of the optptr...
440 */
441
442 *optptr++ = '\0';
443
444 /*
445 * Then parse the optptr...
446 */
447
448 while (*optptr)
449 {
450 /*
451 * Get the name...
452 */
453
454 name = optptr;
455
456 while (*optptr && *optptr != '=' && *optptr != '+' && *optptr != '&')
457 optptr ++;
458
459 if ((sep = *optptr) != '\0')
460 *optptr++ = '\0';
461
462 if (sep == '=')
463 {
464 /*
465 * Get the value...
466 */
467
468 value = optptr;
469
470 while (*optptr && *optptr != '+' && *optptr != '&')
471 optptr ++;
472
473 if (*optptr)
474 *optptr++ = '\0';
475 }
476 else
477 value = (char *)"";
478
479 /*
480 * Process the option...
481 */
482
483 if (!_cups_strcasecmp(name, "waitjob"))
484 {
485 /*
486 * Wait for job completion?
487 */
488
489 waitjob = !_cups_strcasecmp(value, "on") ||
490 !_cups_strcasecmp(value, "yes") ||
491 !_cups_strcasecmp(value, "true");
492 }
493 else if (!_cups_strcasecmp(name, "waitprinter"))
494 {
495 /*
496 * Wait for printer idle?
497 */
498
499 waitprinter = !_cups_strcasecmp(value, "on") ||
500 !_cups_strcasecmp(value, "yes") ||
501 !_cups_strcasecmp(value, "true");
502 }
503 else if (!_cups_strcasecmp(name, "encryption"))
504 {
505 /*
506 * Enable/disable encryption?
507 */
508
509 if (!_cups_strcasecmp(value, "always"))
510 cupsSetEncryption(HTTP_ENCRYPT_ALWAYS);
511 else if (!_cups_strcasecmp(value, "required"))
512 cupsSetEncryption(HTTP_ENCRYPT_REQUIRED);
513 else if (!_cups_strcasecmp(value, "never"))
514 cupsSetEncryption(HTTP_ENCRYPT_NEVER);
515 else if (!_cups_strcasecmp(value, "ifrequested"))
516 cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED);
517 else
518 {
519 _cupsLangPrintFilter(stderr, "ERROR",
520 _("Unknown encryption option value: \"%s\"."),
521 value);
522 }
523 }
524 else if (!_cups_strcasecmp(name, "snmp"))
525 {
526 /*
527 * Enable/disable SNMP stuff...
528 */
529
530 snmp_enabled = !value[0] || !_cups_strcasecmp(value, "on") ||
531 !_cups_strcasecmp(value, "yes") ||
532 !_cups_strcasecmp(value, "true");
533 }
534 else if (!_cups_strcasecmp(name, "version"))
535 {
536 if (!strcmp(value, "1.0"))
537 version = 10;
538 else if (!strcmp(value, "1.1"))
539 version = 11;
540 else if (!strcmp(value, "2.0"))
541 version = 20;
542 else if (!strcmp(value, "2.1"))
543 version = 21;
544 else if (!strcmp(value, "2.2"))
545 version = 22;
546 else
547 {
548 _cupsLangPrintFilter(stderr, "ERROR",
549 _("Unknown version option value: \"%s\"."),
550 value);
551 }
552 }
553 #ifdef HAVE_LIBZ
554 else if (!_cups_strcasecmp(name, "compression"))
555 {
556 if (!_cups_strcasecmp(value, "true") || !_cups_strcasecmp(value, "yes") ||
557 !_cups_strcasecmp(value, "on") || !_cups_strcasecmp(value, "gzip"))
558 compression = "gzip";
559 else if (!_cups_strcasecmp(value, "deflate"))
560 compression = "deflate";
561 else if (!_cups_strcasecmp(value, "false") ||
562 !_cups_strcasecmp(value, "no") ||
563 !_cups_strcasecmp(value, "off") ||
564 !_cups_strcasecmp(value, "none"))
565 compression = "none";
566 }
567 #endif /* HAVE_LIBZ */
568 else if (!_cups_strcasecmp(name, "contimeout"))
569 {
570 /*
571 * Set the connection timeout...
572 */
573
574 if (atoi(value) > 0)
575 contimeout = atoi(value);
576 }
577 else
578 {
579 /*
580 * Unknown option...
581 */
582
583 _cupsLangPrintFilter(stderr, "ERROR",
584 _("Unknown option \"%s\" with value \"%s\"."),
585 name, value);
586 }
587 }
588 }
589
590 /*
591 * If we have 7 arguments, print the file named on the command-line.
592 * Otherwise, copy stdin to a temporary file and print the temporary
593 * file.
594 */
595
596 if (argc == 6)
597 {
598 num_files = 0;
599 files = NULL;
600 send_options = !_cups_strcasecmp(final_content_type, "application/pdf") ||
601 !_cups_strcasecmp(final_content_type, "application/vnd.cups-pdf") ||
602 !_cups_strncasecmp(final_content_type, "image/", 6);
603
604 fputs("DEBUG: Sending stdin for job...\n", stderr);
605 }
606 else
607 {
608 /*
609 * Point to the files on the command-line...
610 */
611
612 num_files = argc - 6;
613 files = argv + 6;
614 send_options = 1;
615
616 fprintf(stderr, "DEBUG: %d files to send in job...\n", num_files);
617 }
618
619 /*
620 * Set the authentication info, if any...
621 */
622
623 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries);
624
625 if (username[0])
626 {
627 /*
628 * Use authentication information in the device URI...
629 */
630
631 if ((password = strchr(username, ':')) != NULL)
632 *password++ = '\0';
633
634 cupsSetUser(username);
635 uri_credentials = 1;
636 }
637 else
638 {
639 /*
640 * Try loading authentication information from the environment.
641 */
642
643 const char *ptr = getenv("AUTH_USERNAME");
644
645 if (ptr)
646 {
647 strlcpy(username, ptr, sizeof(username));
648 cupsSetUser(ptr);
649 }
650
651 password = getenv("AUTH_PASSWORD");
652 }
653
654 /*
655 * Try finding the remote server...
656 */
657
658 start_time = time(NULL);
659
660 sprintf(portname, "%d", port);
661
662 update_reasons(NULL, "+connecting-to-device");
663 fprintf(stderr, "DEBUG: Looking up \"%s\"...\n", hostname);
664
665 while ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
666 {
667 _cupsLangPrintFilter(stderr, "INFO",
668 _("Unable to locate printer \"%s\"."), hostname);
669 sleep(10);
670
671 if (getenv("CLASS") != NULL)
672 {
673 update_reasons(NULL, "-connecting-to-device");
674 return (CUPS_BACKEND_STOP);
675 }
676
677 if (job_canceled)
678 return (CUPS_BACKEND_OK);
679 }
680
681 http = httpConnect2(hostname, port, addrlist, AF_UNSPEC, cupsEncryption(), 1,
682 0, NULL);
683 httpSetTimeout(http, 30.0, timeout_cb, NULL);
684
685 if (httpIsEncrypted(http))
686 {
687 /*
688 * Validate TLS credentials...
689 */
690
691 cups_array_t *creds; /* TLS credentials */
692 cups_array_t *lcreds = NULL; /* Loaded credentials */
693 http_trust_t trust; /* Trust level */
694 static const char *trusts[] = { NULL, "+cups-pki-invalid", "+cups-pki-changed", "+cups-pki-expired", NULL, "+cups-pki-unknown" };
695 /* Trust keywords */
696
697 if (!httpCopyCredentials(http, &creds))
698 {
699 trust = httpCredentialsGetTrust(creds, hostname);
700
701 update_reasons(NULL, "-cups-pki-invalid,cups-pki-changed,cups-pki-expired,cups-pki-unknown");
702 if (trusts[trust])
703 {
704 update_reasons(NULL, trusts[trust]);
705 return (CUPS_BACKEND_STOP);
706 }
707
708 if (httpLoadCredentials(NULL, &lcreds, hostname))
709 {
710 /*
711 * Could not load the credentials, let's save the ones we have so we
712 * can detect changes...
713 */
714
715 httpSaveCredentials(NULL, creds, hostname);
716 }
717
718 httpFreeCredentials(lcreds);
719 httpFreeCredentials(creds);
720 }
721 }
722
723 /*
724 * See if the printer supports SNMP...
725 */
726
727 if (snmp_enabled)
728 snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family);
729 else
730 snmp_fd = -1;
731
732 if (snmp_fd >= 0)
733 have_supplies = !backendSNMPSupplies(snmp_fd, &(addrlist->addr),
734 &start_count, NULL);
735 else
736 have_supplies = start_count = 0;
737
738 /*
739 * Wait for data from the filter...
740 */
741
742 if (num_files == 0)
743 {
744 if (!backendWaitLoop(snmp_fd, &(addrlist->addr), 0, backendNetworkSideCB))
745 return (CUPS_BACKEND_OK);
746 else if ((bytes = read(0, buffer, sizeof(buffer))) <= 0)
747 return (CUPS_BACKEND_OK);
748 }
749
750 /*
751 * Try connecting to the remote server...
752 */
753
754 delay = _cupsNextDelay(0, &prev_delay);
755
756 do
757 {
758 fprintf(stderr, "DEBUG: Connecting to %s:%d\n", hostname, port);
759 _cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer."));
760
761 if (httpReconnect(http))
762 {
763 int error = errno; /* Connection error */
764
765 if (http->status == HTTP_PKI_ERROR)
766 update_reasons(NULL, "+cups-certificate-error");
767
768 if (job_canceled)
769 break;
770
771 if (getenv("CLASS") != NULL)
772 {
773 /*
774 * If the CLASS environment variable is set, the job was submitted
775 * to a class and not to a specific queue. In this case, we want
776 * to abort immediately so that the job can be requeued on the next
777 * available printer in the class.
778 */
779
780 _cupsLangPrintFilter(stderr, "INFO",
781 _("Unable to contact printer, queuing on next "
782 "printer in class."));
783
784 /*
785 * Sleep 5 seconds to keep the job from requeuing too rapidly...
786 */
787
788 sleep(5);
789
790 update_reasons(NULL, "-connecting-to-device");
791
792 return (CUPS_BACKEND_FAILED);
793 }
794
795 fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(errno));
796
797 if (errno == ECONNREFUSED || errno == EHOSTDOWN ||
798 errno == EHOSTUNREACH)
799 {
800 if (contimeout && (time(NULL) - start_time) > contimeout)
801 {
802 _cupsLangPrintFilter(stderr, "ERROR",
803 _("The printer is not responding."));
804 update_reasons(NULL, "-connecting-to-device");
805 return (CUPS_BACKEND_FAILED);
806 }
807
808 switch (error)
809 {
810 case EHOSTDOWN :
811 _cupsLangPrintFilter(stderr, "WARNING",
812 _("The printer may not exist or "
813 "is unavailable at this time."));
814 break;
815
816 case EHOSTUNREACH :
817 _cupsLangPrintFilter(stderr, "WARNING",
818 _("The printer is unreachable at this "
819 "time."));
820 break;
821
822 case ECONNREFUSED :
823 default :
824 _cupsLangPrintFilter(stderr, "WARNING",
825 _("The printer is in use."));
826 break;
827 }
828
829 sleep((unsigned)delay);
830
831 delay = _cupsNextDelay(delay, &prev_delay);
832 }
833 else
834 {
835 _cupsLangPrintFilter(stderr, "ERROR",
836 _("The printer is not responding."));
837 sleep(30);
838 }
839
840 if (job_canceled)
841 break;
842 }
843 else
844 update_reasons(NULL, "-cups-certificate-error");
845 }
846 while (http->fd < 0);
847
848 if (job_canceled)
849 return (CUPS_BACKEND_OK);
850 else if (!http)
851 return (CUPS_BACKEND_FAILED);
852
853 update_reasons(NULL, "-connecting-to-device");
854 _cupsLangPrintFilter(stderr, "INFO", _("Connected to printer."));
855
856 fprintf(stderr, "DEBUG: Connected to %s:%d...\n",
857 httpAddrString(http->hostaddr, addrname, sizeof(addrname)),
858 httpAddrPort(http->hostaddr));
859
860 /*
861 * Build a URI for the printer and fill the standard IPP attributes for
862 * an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it
863 * might contain username:password information...
864 */
865
866 httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri), scheme, NULL, hostname,
867 port, resource);
868
869 /*
870 * First validate the destination and see if the device supports multiple
871 * copies...
872 */
873
874 #ifdef HAVE_LIBZ
875 compression_sup = NULL;
876 #endif /* HAVE_LIBZ */
877 copies_sup = NULL;
878 cups_version = NULL;
879 format_sup = NULL;
880 media_col_sup = NULL;
881 supported = NULL;
882 operations_sup = NULL;
883 doc_handling_sup = NULL;
884 print_color_mode_sup = NULL;
885
886 do
887 {
888 /*
889 * Check for side-channel requests...
890 */
891
892 backendCheckSideChannel(snmp_fd, http->hostaddr);
893
894 /*
895 * Build the IPP request...
896 */
897
898 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
899 ippSetVersion(request, version / 10, version % 10);
900 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
901 NULL, uri);
902
903 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
904 "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
905 NULL, pattrs);
906
907 /*
908 * Do the request...
909 */
910
911 fputs("DEBUG: Getting supported attributes...\n", stderr);
912
913 if (http->version < HTTP_1_1)
914 {
915 fprintf(stderr, "DEBUG: Printer responded with HTTP version %d.%d.\n",
916 http->version / 100, http->version % 100);
917 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
918 "cups-ipp-wrong-http-version");
919 }
920
921 supported = cupsDoRequest(http, request, resource);
922 ipp_status = cupsLastError();
923
924 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
925 ippErrorString(ipp_status), cupsLastErrorString());
926
927 if (ipp_status <= IPP_OK_CONFLICT)
928 password_tries = 0;
929 else
930 {
931 fprintf(stderr, "DEBUG: Get-Printer-Attributes returned %s.\n",
932 ippErrorString(ipp_status));
933
934 if (ipp_status == IPP_PRINTER_BUSY ||
935 ipp_status == IPP_SERVICE_UNAVAILABLE)
936 {
937 if (contimeout && (time(NULL) - start_time) > contimeout)
938 {
939 _cupsLangPrintFilter(stderr, "ERROR",
940 _("The printer is not responding."));
941 return (CUPS_BACKEND_FAILED);
942 }
943
944 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
945
946 report_printer_state(supported);
947
948 sleep((unsigned)delay);
949
950 delay = _cupsNextDelay(delay, &prev_delay);
951 }
952 else if ((ipp_status == IPP_BAD_REQUEST ||
953 ipp_status == IPP_VERSION_NOT_SUPPORTED) && version > 10)
954 {
955 /*
956 * Switch to IPP/1.1 or IPP/1.0...
957 */
958
959 if (version >= 20)
960 {
961 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print."));
962 fprintf(stderr,
963 "DEBUG: The printer does not support IPP/%d.%d, trying "
964 "IPP/1.1.\n", version / 10, version % 10);
965 version = 11;
966 }
967 else
968 {
969 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print."));
970 fprintf(stderr,
971 "DEBUG: The printer does not support IPP/%d.%d, trying "
972 "IPP/1.0.\n", version / 10, version % 10);
973 version = 10;
974 }
975
976 httpReconnect(http);
977 }
978 else if (ipp_status == IPP_NOT_FOUND)
979 {
980 _cupsLangPrintFilter(stderr, "ERROR",
981 _("The printer configuration is incorrect or the "
982 "printer no longer exists."));
983
984 ippDelete(supported);
985
986 return (CUPS_BACKEND_STOP);
987 }
988 else if (ipp_status == IPP_FORBIDDEN ||
989 ipp_status == IPP_AUTHENTICATION_CANCELED)
990 {
991 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
992 /* WWW-Authenticate field value */
993
994 if (!strncmp(www_auth, "Negotiate", 9))
995 auth_info_required = "negotiate";
996 else if (www_auth[0])
997 auth_info_required = "username,password";
998
999 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
1000 return (CUPS_BACKEND_AUTH_REQUIRED);
1001 }
1002 else if (ipp_status != IPP_NOT_AUTHORIZED)
1003 {
1004 _cupsLangPrintFilter(stderr, "ERROR",
1005 _("Unable to get printer status."));
1006 sleep(10);
1007
1008 httpReconnect(http);
1009 }
1010
1011 ippDelete(supported);
1012 supported = NULL;
1013 continue;
1014 }
1015
1016 if (!getenv("CLASS"))
1017 {
1018 /*
1019 * Check printer-is-accepting-jobs = false and printer-state-reasons for the
1020 * "spool-area-full" keyword...
1021 */
1022
1023 int busy = 0;
1024
1025 if ((printer_accepting = ippFindAttribute(supported,
1026 "printer-is-accepting-jobs",
1027 IPP_TAG_BOOLEAN)) != NULL &&
1028 !printer_accepting->values[0].boolean)
1029 busy = 1;
1030 else if (!printer_accepting)
1031 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1032 "cups-ipp-missing-printer-is-accepting-jobs");
1033
1034 if ((printer_state = ippFindAttribute(supported,
1035 "printer-state-reasons",
1036 IPP_TAG_KEYWORD)) == NULL)
1037 {
1038 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1039 "cups-ipp-missing-printer-state-reasons");
1040 }
1041 else if (!busy)
1042 {
1043 for (i = 0; i < printer_state->num_values; i ++)
1044 {
1045 if (!strcmp(printer_state->values[0].string.text,
1046 "spool-area-full") ||
1047 !strncmp(printer_state->values[0].string.text, "spool-area-full-",
1048 16))
1049 {
1050 busy = 1;
1051 break;
1052 }
1053 }
1054 }
1055
1056 if (busy)
1057 {
1058 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1059
1060 report_printer_state(supported);
1061
1062 sleep((unsigned)delay);
1063
1064 delay = _cupsNextDelay(delay, &prev_delay);
1065
1066 ippDelete(supported);
1067 supported = NULL;
1068 ipp_status = IPP_STATUS_ERROR_BUSY;
1069 continue;
1070 }
1071 }
1072
1073 /*
1074 * Check for supported attributes...
1075 */
1076
1077 #ifdef HAVE_LIBZ
1078 if ((compression_sup = ippFindAttribute(supported, "compression-supported",
1079 IPP_TAG_KEYWORD)) != NULL)
1080 {
1081 /*
1082 * Check whether the requested compression is supported and/or default to
1083 * compression if supported...
1084 */
1085
1086 if (compression && !ippContainsString(compression_sup, compression))
1087 {
1088 fprintf(stderr, "DEBUG: Printer does not support the requested "
1089 "compression value \"%s\".\n", compression);
1090 compression = NULL;
1091 }
1092 else if (!compression)
1093 {
1094 if (ippContainsString(compression_sup, "gzip"))
1095 compression = "gzip";
1096 else if (ippContainsString(compression_sup, "deflate"))
1097 compression = "deflate";
1098
1099 if (compression)
1100 fprintf(stderr, "DEBUG: Automatically using \"%s\" compression.\n",
1101 compression);
1102 }
1103 }
1104 #endif /* HAVE_LIBZ */
1105
1106 if ((copies_sup = ippFindAttribute(supported, "copies-supported",
1107 IPP_TAG_RANGE)) != NULL)
1108 {
1109 /*
1110 * Has the "copies-supported" attribute - does it have an upper
1111 * bound > 1?
1112 */
1113
1114 fprintf(stderr, "DEBUG: copies-supported=%d-%d\n",
1115 copies_sup->values[0].range.lower,
1116 copies_sup->values[0].range.upper);
1117
1118 if (copies_sup->values[0].range.upper <= 1)
1119 copies_sup = NULL; /* No */
1120 }
1121
1122 cups_version = ippFindAttribute(supported, "cups-version", IPP_TAG_TEXT);
1123
1124 if ((format_sup = ippFindAttribute(supported, "document-format-supported",
1125 IPP_TAG_MIMETYPE)) != NULL)
1126 {
1127 fprintf(stderr, "DEBUG: document-format-supported (%d values)\n",
1128 format_sup->num_values);
1129 for (i = 0; i < format_sup->num_values; i ++)
1130 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
1131 format_sup->values[i].string.text);
1132 }
1133
1134 if ((media_col_sup = ippFindAttribute(supported, "media-col-supported",
1135 IPP_TAG_KEYWORD)) != NULL)
1136 {
1137 fprintf(stderr, "DEBUG: media-col-supported (%d values)\n",
1138 media_col_sup->num_values);
1139 for (i = 0; i < media_col_sup->num_values; i ++)
1140 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
1141 media_col_sup->values[i].string.text);
1142 }
1143
1144 print_color_mode_sup = ippFindAttribute(supported, "print-color-mode-supported", IPP_TAG_KEYWORD);
1145
1146 if ((operations_sup = ippFindAttribute(supported, "operations-supported",
1147 IPP_TAG_ENUM)) != NULL)
1148 {
1149 fprintf(stderr, "DEBUG: operations-supported (%d values)\n",
1150 operations_sup->num_values);
1151 for (i = 0; i < operations_sup->num_values; i ++)
1152 fprintf(stderr, "DEBUG: [%d] = %s\n", i,
1153 ippOpString(operations_sup->values[i].integer));
1154
1155 for (i = 0; i < operations_sup->num_values; i ++)
1156 if (operations_sup->values[i].integer == IPP_PRINT_JOB)
1157 break;
1158
1159 if (i >= operations_sup->num_values)
1160 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1161 "cups-ipp-missing-print-job");
1162
1163 for (i = 0; i < operations_sup->num_values; i ++)
1164 if (operations_sup->values[i].integer == IPP_CANCEL_JOB)
1165 break;
1166
1167 if (i >= operations_sup->num_values)
1168 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1169 "cups-ipp-missing-cancel-job");
1170
1171 for (i = 0; i < operations_sup->num_values; i ++)
1172 if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES)
1173 break;
1174
1175 if (i >= operations_sup->num_values)
1176 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1177 "cups-ipp-missing-get-job-attributes");
1178
1179 for (i = 0; i < operations_sup->num_values; i ++)
1180 if (operations_sup->values[i].integer == IPP_GET_PRINTER_ATTRIBUTES)
1181 break;
1182
1183 if (i >= operations_sup->num_values)
1184 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1185 "cups-ipp-missing-get-printer-attributes");
1186
1187 for (i = 0; i < operations_sup->num_values; i ++)
1188 {
1189 if (operations_sup->values[i].integer == IPP_VALIDATE_JOB)
1190 validate_job = 1;
1191 else if (operations_sup->values[i].integer == IPP_CREATE_JOB)
1192 create_job = 1;
1193 else if (operations_sup->values[i].integer == IPP_SEND_DOCUMENT)
1194 send_document = 1;
1195 else if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES)
1196 get_job_attrs = 1;
1197 }
1198
1199 if (create_job && !send_document)
1200 {
1201 fputs("DEBUG: Printer supports Create-Job but not Send-Document.\n",
1202 stderr);
1203 create_job = 0;
1204
1205 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1206 "cups-ipp-missing-send-document");
1207 }
1208
1209 if (!validate_job)
1210 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1211 "cups-ipp-missing-validate-job");
1212 }
1213 else
1214 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1215 "cups-ipp-missing-operations-supported");
1216
1217 doc_handling_sup = ippFindAttribute(supported,
1218 "multiple-document-handling-supported",
1219 IPP_TAG_KEYWORD);
1220
1221 report_printer_state(supported);
1222 }
1223 while (!job_canceled && ipp_status > IPP_OK_CONFLICT);
1224
1225 if (job_canceled)
1226 return (CUPS_BACKEND_OK);
1227
1228 /*
1229 * See if the printer is accepting jobs and is not stopped; if either
1230 * condition is true and we are printing to a class, requeue the job...
1231 */
1232
1233 if (getenv("CLASS") != NULL)
1234 {
1235 printer_state = ippFindAttribute(supported, "printer-state",
1236 IPP_TAG_ENUM);
1237 printer_accepting = ippFindAttribute(supported, "printer-is-accepting-jobs",
1238 IPP_TAG_BOOLEAN);
1239
1240 if (printer_state == NULL ||
1241 (printer_state->values[0].integer > IPP_PRINTER_PROCESSING &&
1242 waitprinter) ||
1243 printer_accepting == NULL ||
1244 !printer_accepting->values[0].boolean)
1245 {
1246 /*
1247 * If the CLASS environment variable is set, the job was submitted
1248 * to a class and not to a specific queue. In this case, we want
1249 * to abort immediately so that the job can be requeued on the next
1250 * available printer in the class.
1251 */
1252
1253 _cupsLangPrintFilter(stderr, "INFO",
1254 _("Unable to contact printer, queuing on next "
1255 "printer in class."));
1256
1257 ippDelete(supported);
1258 httpClose(http);
1259
1260 /*
1261 * Sleep 5 seconds to keep the job from requeuing too rapidly...
1262 */
1263
1264 sleep(5);
1265
1266 return (CUPS_BACKEND_FAILED);
1267 }
1268 }
1269
1270 /*
1271 * See if the printer supports multiple copies...
1272 */
1273
1274 copies = atoi(argv[4]);
1275
1276 if (copies_sup || argc < 7)
1277 copies_remaining = 1;
1278 else
1279 copies_remaining = copies;
1280
1281 /*
1282 * Prepare remaining printing options...
1283 */
1284
1285 options = NULL;
1286
1287 if (send_options)
1288 {
1289 num_options = cupsParseOptions(argv[5], 0, &options);
1290
1291 if (!cups_version && media_col_sup)
1292 {
1293 /*
1294 * Load the PPD file and generate PWG attribute mapping information...
1295 */
1296
1297 ppd = ppdOpenFile(getenv("PPD"));
1298 pc = _ppdCacheCreateWithPPD(ppd);
1299
1300 ppdMarkDefaults(ppd);
1301 cupsMarkOptions(ppd, num_options, options);
1302 }
1303 }
1304 else
1305 num_options = 0;
1306
1307 document_format = NULL;
1308
1309 if (format_sup != NULL)
1310 {
1311 for (i = 0; i < format_sup->num_values; i ++)
1312 if (!_cups_strcasecmp(final_content_type,
1313 format_sup->values[i].string.text))
1314 {
1315 document_format = final_content_type;
1316 break;
1317 }
1318
1319 if (!document_format)
1320 {
1321 for (i = 0; i < format_sup->num_values; i ++)
1322 if (!_cups_strcasecmp("application/octet-stream",
1323 format_sup->values[i].string.text))
1324 {
1325 document_format = "application/octet-stream";
1326 break;
1327 }
1328 }
1329 }
1330
1331 fprintf(stderr, "DEBUG: final_content_type=\"%s\", document_format=\"%s\"\n",
1332 final_content_type, document_format ? document_format : "(null)");
1333
1334 /*
1335 * If the printer does not support HTTP/1.1 (which IPP requires), copy stdin
1336 * to a temporary file so that we can do a HTTP/1.0 submission...
1337 *
1338 * (I hate compatibility hacks!)
1339 */
1340
1341 if (http->version < HTTP_1_1 && num_files == 0)
1342 {
1343 if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0)
1344 {
1345 perror("DEBUG: Unable to create temporary file");
1346 return (CUPS_BACKEND_FAILED);
1347 }
1348
1349 _cupsLangPrintFilter(stderr, "INFO", _("Copying print data."));
1350
1351 if ((compatsize = write(fd, buffer, (size_t)bytes)) < 0)
1352 {
1353 perror("DEBUG: Unable to write temporary file");
1354 return (CUPS_BACKEND_FAILED);
1355 }
1356
1357 if ((bytes = backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0,
1358 backendNetworkSideCB)) < 0)
1359 return (CUPS_BACKEND_FAILED);
1360
1361 compatsize += bytes;
1362
1363 close(fd);
1364
1365 compatfile = tmpfilename;
1366 files = &compatfile;
1367 num_files = 1;
1368 }
1369 else if (http->version < HTTP_1_1 && num_files == 1)
1370 {
1371 struct stat fileinfo; /* File information */
1372
1373 if (!stat(files[0], &fileinfo))
1374 compatsize = fileinfo.st_size;
1375 }
1376
1377 /*
1378 * If the printer only claims to support IPP/1.0, or if the user specifically
1379 * included version=1.0 in the URI, then do not try to use Create-Job or
1380 * Send-Document. This is another dreaded compatibility hack, but
1381 * unfortunately there are enough broken printers out there that we need
1382 * this for now...
1383 */
1384
1385 if (version == 10)
1386 create_job = send_document = 0;
1387
1388 /*
1389 * Start monitoring the printer in the background...
1390 */
1391
1392 monitor.uri = uri;
1393 monitor.hostname = hostname;
1394 monitor.user = argv[2];
1395 monitor.resource = resource;
1396 monitor.port = port;
1397 monitor.version = version;
1398 monitor.job_id = 0;
1399 monitor.get_job_attrs = get_job_attrs;
1400 monitor.encryption = cupsEncryption();
1401 monitor.job_state = IPP_JOB_PENDING;
1402 monitor.printer_state = IPP_PRINTER_IDLE;
1403
1404 if (create_job)
1405 {
1406 monitor.job_name = argv[3];
1407 }
1408 else
1409 {
1410 snprintf(print_job_name, sizeof(print_job_name), "%s - %s", argv[1],
1411 argv[3]);
1412 monitor.job_name = print_job_name;
1413 }
1414
1415 _cupsThreadCreate((_cups_thread_func_t)monitor_printer, &monitor);
1416
1417 /*
1418 * Validate access to the printer...
1419 */
1420
1421 while (!job_canceled && validate_job)
1422 {
1423 request = new_request(IPP_VALIDATE_JOB, version, uri, argv[2],
1424 monitor.job_name, num_options, options, compression,
1425 copies_sup ? copies : 1, document_format, pc, ppd,
1426 media_col_sup, doc_handling_sup, print_color_mode_sup);
1427
1428 response = cupsDoRequest(http, request, resource);
1429
1430 ipp_status = cupsLastError();
1431
1432 fprintf(stderr, "DEBUG: Validate-Job: %s (%s)\n",
1433 ippErrorString(ipp_status), cupsLastErrorString());
1434
1435 if ((job_auth = ippFindAttribute(response, "job-authorization-uri",
1436 IPP_TAG_URI)) != NULL)
1437 num_options = cupsAddOption("job-authorization-uri",
1438 ippGetString(job_auth, 0, NULL), num_options,
1439 &options);
1440
1441 ippDelete(response);
1442
1443 if (job_canceled)
1444 break;
1445
1446 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1447 ipp_status == IPP_STATUS_ERROR_BUSY)
1448 {
1449 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1450 sleep(10);
1451 }
1452 else if (ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED ||
1453 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
1454 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1455 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1456 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1457 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
1458 goto cleanup;
1459 else if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1460 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1461 {
1462 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1463 /* WWW-Authenticate field value */
1464
1465 if (!strncmp(www_auth, "Negotiate", 9))
1466 auth_info_required = "negotiate";
1467 else if (www_auth[0])
1468 auth_info_required = "username,password";
1469
1470 goto cleanup;
1471 }
1472 else if (ipp_status == IPP_STATUS_ERROR_OPERATION_NOT_SUPPORTED)
1473 {
1474 /*
1475 * This is all too common...
1476 */
1477
1478 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1479 "cups-ipp-missing-validate-job");
1480 break;
1481 }
1482 else if (ipp_status < IPP_REDIRECTION_OTHER_SITE ||
1483 ipp_status == IPP_BAD_REQUEST)
1484 break;
1485 }
1486
1487 /*
1488 * Then issue the print-job request...
1489 */
1490
1491 job_id = 0;
1492
1493 while (!job_canceled && copies_remaining > 0)
1494 {
1495 /*
1496 * Check for side-channel requests...
1497 */
1498
1499 backendCheckSideChannel(snmp_fd, http->hostaddr);
1500
1501 /*
1502 * Build the IPP job creation request...
1503 */
1504
1505 if (job_canceled)
1506 break;
1507
1508 request = new_request((num_files > 1 || create_job) ? IPP_CREATE_JOB :
1509 IPP_PRINT_JOB,
1510 version, uri, argv[2], monitor.job_name, num_options,
1511 options, compression, copies_sup ? copies : 1,
1512 document_format, pc, ppd, media_col_sup,
1513 doc_handling_sup, print_color_mode_sup);
1514
1515 /*
1516 * Do the request...
1517 */
1518
1519 if (num_files > 1 || create_job)
1520 response = cupsDoRequest(http, request, resource);
1521 else
1522 {
1523 size_t length = 0; /* Length of request */
1524
1525 if (compatsize > 0)
1526 {
1527 fputs("DEBUG: Sending file using HTTP/1.0 Content-Length...\n", stderr);
1528 length = ippLength(request) + (size_t)compatsize;
1529 }
1530 else
1531 fputs("DEBUG: Sending file using HTTP/1.1 chunking...\n", stderr);
1532
1533 http_status = cupsSendRequest(http, request, resource, length);
1534 if (http_status == HTTP_CONTINUE && request->state == IPP_DATA)
1535 {
1536 if (compression && strcmp(compression, "none"))
1537 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression);
1538
1539 if (num_files == 1)
1540 {
1541 if ((fd = open(files[0], O_RDONLY)) < 0)
1542 {
1543 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1544 return (CUPS_BACKEND_FAILED);
1545 }
1546 }
1547 else
1548 {
1549 fd = 0;
1550 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes);
1551 }
1552
1553 while (http_status == HTTP_CONTINUE &&
1554 (!job_canceled || compatsize > 0))
1555 {
1556 /*
1557 * Check for side-channel requests and more print data...
1558 */
1559
1560 FD_ZERO(&input);
1561 FD_SET(fd, &input);
1562 FD_SET(snmp_fd, &input);
1563
1564 while (select(fd > snmp_fd ? fd + 1 : snmp_fd + 1, &input, NULL, NULL,
1565 NULL) <= 0 && !job_canceled);
1566
1567 if (FD_ISSET(snmp_fd, &input))
1568 backendCheckSideChannel(snmp_fd, http->hostaddr);
1569
1570 if (FD_ISSET(fd, &input))
1571 {
1572 if ((bytes = read(fd, buffer, sizeof(buffer))) > 0)
1573 {
1574 fprintf(stderr, "DEBUG: Read %d bytes...\n", (int)bytes);
1575
1576 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes))
1577 != HTTP_CONTINUE)
1578 break;
1579 }
1580 else if (bytes == 0 || (errno != EINTR && errno != EAGAIN))
1581 break;
1582 }
1583 }
1584
1585 if (http_status == HTTP_ERROR)
1586 fprintf(stderr, "DEBUG: Error writing document data for "
1587 "Print-Job: %s\n", strerror(httpError(http)));
1588
1589 if (num_files == 1)
1590 close(fd);
1591 }
1592
1593 response = cupsGetResponse(http, resource);
1594 ippDelete(request);
1595 }
1596
1597 ipp_status = cupsLastError();
1598
1599 fprintf(stderr, "DEBUG: %s: %s (%s)\n",
1600 (num_files > 1 || create_job) ? "Create-Job" : "Print-Job",
1601 ippErrorString(ipp_status), cupsLastErrorString());
1602
1603 if (ipp_status > IPP_OK_CONFLICT)
1604 {
1605 job_id = 0;
1606
1607 if (job_canceled)
1608 break;
1609
1610 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1611 ipp_status == IPP_STATUS_ERROR_NOT_POSSIBLE ||
1612 ipp_status == IPP_STATUS_ERROR_BUSY)
1613 {
1614 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1615 sleep(10);
1616
1617 if (num_files == 0)
1618 {
1619 /*
1620 * We can't re-submit when we have no files to print, so exit
1621 * immediately with the right status code...
1622 */
1623
1624 goto cleanup;
1625 }
1626 }
1627 else if (ipp_status == IPP_STATUS_ERROR_JOB_CANCELED ||
1628 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED ||
1629 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
1630 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1631 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1632 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1633 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
1634 goto cleanup;
1635 else
1636 {
1637 /*
1638 * Update auth-info-required as needed...
1639 */
1640
1641 _cupsLangPrintFilter(stderr, "ERROR",
1642 _("Print job was not accepted."));
1643
1644 if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1645 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1646 {
1647 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1648 /* WWW-Authenticate field value */
1649
1650 if (!strncmp(www_auth, "Negotiate", 9))
1651 auth_info_required = "negotiate";
1652 else if (www_auth[0])
1653 auth_info_required = "username,password";
1654 }
1655 else if (ipp_status == IPP_REQUEST_VALUE)
1656 {
1657 /*
1658 * Print file is too large, abort this job...
1659 */
1660
1661 goto cleanup;
1662 }
1663 else
1664 sleep(10);
1665
1666 if (num_files == 0)
1667 {
1668 /*
1669 * We can't re-submit when we have no files to print, so exit
1670 * immediately with the right status code...
1671 */
1672
1673 goto cleanup;
1674 }
1675 }
1676 }
1677 else if ((job_id_attr = ippFindAttribute(response, "job-id",
1678 IPP_TAG_INTEGER)) == NULL)
1679 {
1680 fputs("DEBUG: Print job accepted - job ID unknown.\n", stderr);
1681 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1682 "cups-ipp-missing-job-id");
1683 job_id = 0;
1684 }
1685 else
1686 {
1687 password_tries = 0;
1688 monitor.job_id = job_id = job_id_attr->values[0].integer;
1689 fprintf(stderr, "DEBUG: Print job accepted - job ID %d.\n", job_id);
1690 }
1691
1692 ippDelete(response);
1693
1694 if (job_canceled)
1695 break;
1696
1697 if (job_id && (num_files > 1 || create_job))
1698 {
1699 for (i = 0; num_files == 0 || i < num_files; i ++)
1700 {
1701 /*
1702 * Check for side-channel requests...
1703 */
1704
1705 backendCheckSideChannel(snmp_fd, http->hostaddr);
1706
1707 /*
1708 * Send the next file in the job...
1709 */
1710
1711 request = ippNewRequest(IPP_SEND_DOCUMENT);
1712 ippSetVersion(request, version / 10, version % 10);
1713
1714 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
1715 NULL, uri);
1716
1717 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
1718 job_id);
1719
1720 if (argv[2][0])
1721 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1722 "requesting-user-name", NULL, argv[2]);
1723
1724 ippAddBoolean(request, IPP_TAG_OPERATION, "last-document",
1725 (i + 1) >= num_files);
1726
1727 if (document_format)
1728 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
1729 "document-format", NULL, document_format);
1730
1731 if (compression)
1732 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1733 "compression", NULL, compression);
1734
1735 fprintf(stderr, "DEBUG: Sending file %d using chunking...\n", i + 1);
1736 http_status = cupsSendRequest(http, request, resource, 0);
1737 if (http_status == HTTP_CONTINUE && request->state == IPP_DATA)
1738 {
1739 if (compression && strcmp(compression, "none"))
1740 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression);
1741
1742 if (num_files == 0)
1743 {
1744 fd = 0;
1745 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes);
1746 }
1747 else
1748 {
1749 if ((fd = open(files[i], O_RDONLY)) < 0)
1750 {
1751 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1752 return (CUPS_BACKEND_FAILED);
1753 }
1754 }
1755 }
1756 else
1757 fd = -1;
1758
1759 if (fd >= 0)
1760 {
1761 while (!job_canceled && http_status == HTTP_CONTINUE &&
1762 (bytes = read(fd, buffer, sizeof(buffer))) > 0)
1763 {
1764 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes))
1765 != HTTP_CONTINUE)
1766 break;
1767 else
1768 {
1769 /*
1770 * Check for side-channel requests...
1771 */
1772
1773 backendCheckSideChannel(snmp_fd, http->hostaddr);
1774 }
1775 }
1776
1777 if (fd > 0)
1778 close(fd);
1779 }
1780
1781 if (http_status == HTTP_ERROR)
1782 fprintf(stderr, "DEBUG: Error writing document data for "
1783 "Send-Document: %s\n", strerror(httpError(http)));
1784
1785 ippDelete(cupsGetResponse(http, resource));
1786 ippDelete(request);
1787
1788 fprintf(stderr, "DEBUG: Send-Document: %s (%s)\n",
1789 ippErrorString(cupsLastError()), cupsLastErrorString());
1790
1791 if (cupsLastError() > IPP_OK_CONFLICT)
1792 {
1793 ipp_status = cupsLastError();
1794
1795 _cupsLangPrintFilter(stderr, "ERROR",
1796 _("Unable to add document to print job."));
1797 break;
1798 }
1799 else
1800 {
1801 password_tries = 0;
1802
1803 if (num_files == 0 || fd < 0)
1804 break;
1805 }
1806 }
1807 }
1808
1809 if (ipp_status <= IPP_OK_CONFLICT && argc > 6)
1810 {
1811 fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1);
1812 copies_remaining --;
1813 }
1814 else if ((ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_ERROR || ipp_status == IPP_STATUS_ERROR_DOCUMENT_UNPRINTABLE) &&
1815 argc == 6 &&
1816 document_format && strcmp(document_format, "image/pwg-raster") && strcmp(document_format, "image/urf"))
1817 {
1818 /*
1819 * Need to reprocess the job as raster...
1820 */
1821
1822 fputs("JOBSTATE: cups-retry-as-raster\n", stderr);
1823 if (job_id > 0)
1824 cancel_job(http, uri, job_id, resource, argv[2], version);
1825
1826 goto cleanup;
1827 }
1828 else if (ipp_status == IPP_SERVICE_UNAVAILABLE ||
1829 ipp_status == IPP_NOT_POSSIBLE ||
1830 ipp_status == IPP_PRINTER_BUSY)
1831 {
1832 if (argc == 6)
1833 {
1834 /*
1835 * Need to reprocess the entire job; if we have a job ID, cancel the
1836 * job first...
1837 */
1838
1839 if (job_id > 0)
1840 cancel_job(http, uri, job_id, resource, argv[2], version);
1841
1842 goto cleanup;
1843 }
1844 continue;
1845 }
1846 else if (ipp_status == IPP_REQUEST_VALUE ||
1847 ipp_status == IPP_ERROR_JOB_CANCELED ||
1848 ipp_status == IPP_NOT_AUTHORIZED ||
1849 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1850 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1851 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1852 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED ||
1853 ipp_status == IPP_INTERNAL_ERROR)
1854 {
1855 /*
1856 * Print file is too large, job was canceled, we need new
1857 * authentication data, or we had some sort of error...
1858 */
1859
1860 goto cleanup;
1861 }
1862 else if (ipp_status == IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED)
1863 {
1864 /*
1865 * Server is configured incorrectly; the policy for Create-Job and
1866 * Send-Document has to be the same (auth or no auth, encryption or
1867 * no encryption). Force the queue to stop since printing will never
1868 * work.
1869 */
1870
1871 fputs("DEBUG: The server or printer is configured incorrectly.\n",
1872 stderr);
1873 fputs("DEBUG: The policy for Create-Job and Send-Document must have the "
1874 "same authentication and encryption requirements.\n", stderr);
1875
1876 ipp_status = IPP_STATUS_ERROR_INTERNAL;
1877
1878 if (job_id > 0)
1879 cancel_job(http, uri, job_id, resource, argv[2], version);
1880
1881 goto cleanup;
1882 }
1883 else if (ipp_status == IPP_NOT_FOUND)
1884 {
1885 /*
1886 * Printer does not actually implement support for Create-Job/
1887 * Send-Document, so log the conformance issue and stop the printer.
1888 */
1889
1890 fputs("DEBUG: This printer claims to support Create-Job and "
1891 "Send-Document, but those operations failed.\n", stderr);
1892 fputs("DEBUG: Add '?version=1.0' to the device URI to use legacy "
1893 "compatibility mode.\n", stderr);
1894 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1895 "cups-ipp-missing-send-document");
1896
1897 ipp_status = IPP_INTERNAL_ERROR; /* Force queue to stop */
1898
1899 goto cleanup;
1900 }
1901 else
1902 copies_remaining --;
1903
1904 /*
1905 * Wait for the job to complete...
1906 */
1907
1908 if (!job_id || !waitjob || !get_job_attrs)
1909 continue;
1910
1911 fputs("STATE: +cups-waiting-for-job-completed\n", stderr);
1912
1913 _cupsLangPrintFilter(stderr, "INFO", _("Waiting for job to complete."));
1914
1915 for (delay = _cupsNextDelay(0, &prev_delay); !job_canceled;)
1916 {
1917 /*
1918 * Check for side-channel requests...
1919 */
1920
1921 backendCheckSideChannel(snmp_fd, http->hostaddr);
1922
1923 /*
1924 * Check printer state...
1925 */
1926
1927 check_printer_state(http, uri, resource, argv[2], version);
1928
1929 if (cupsLastError() <= IPP_OK_CONFLICT)
1930 password_tries = 0;
1931
1932 /*
1933 * Build an IPP_GET_JOB_ATTRIBUTES request...
1934 */
1935
1936 request = ippNewRequest(IPP_GET_JOB_ATTRIBUTES);
1937 ippSetVersion(request, version / 10, version % 10);
1938
1939 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
1940 NULL, uri);
1941
1942 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
1943 job_id);
1944
1945 if (argv[2][0])
1946 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1947 "requesting-user-name", NULL, argv[2]);
1948
1949 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1950 "requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]),
1951 NULL, jattrs);
1952
1953 /*
1954 * Do the request...
1955 */
1956
1957 httpReconnect(http);
1958 response = cupsDoRequest(http, request, resource);
1959 ipp_status = cupsLastError();
1960
1961 if (ipp_status == IPP_NOT_FOUND || ipp_status == IPP_NOT_POSSIBLE)
1962 {
1963 /*
1964 * Job has gone away and/or the server has no job history...
1965 */
1966
1967 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1968 "cups-ipp-missing-job-history");
1969 ippDelete(response);
1970
1971 ipp_status = IPP_OK;
1972 break;
1973 }
1974
1975 fprintf(stderr, "DEBUG: Get-Job-Attributes: %s (%s)\n",
1976 ippErrorString(ipp_status), cupsLastErrorString());
1977
1978 if (ipp_status <= IPP_OK_CONFLICT)
1979 password_tries = 0;
1980 else
1981 {
1982 if (ipp_status != IPP_SERVICE_UNAVAILABLE &&
1983 ipp_status != IPP_PRINTER_BUSY)
1984 {
1985 ippDelete(response);
1986 ipp_status = IPP_OK;
1987 break;
1988 }
1989 else if (ipp_status == IPP_INTERNAL_ERROR)
1990 {
1991 waitjob_tries ++;
1992
1993 if (waitjob_tries > 4)
1994 {
1995 ippDelete(response);
1996 ipp_status = IPP_OK;
1997 break;
1998 }
1999 }
2000 }
2001
2002 if (response)
2003 {
2004 if ((job_state = ippFindAttribute(response, "job-state",
2005 IPP_TAG_ENUM)) != NULL)
2006 {
2007 /*
2008 * Reflect the remote job state in the local queue...
2009 */
2010
2011 if (cups_version &&
2012 job_state->values[0].integer >= IPP_JOB_PENDING &&
2013 job_state->values[0].integer <= IPP_JOB_COMPLETED)
2014 update_reasons(NULL,
2015 remote_job_states[job_state->values[0].integer -
2016 IPP_JOB_PENDING]);
2017
2018 if ((job_sheets = ippFindAttribute(response,
2019 "job-media-sheets-completed",
2020 IPP_TAG_INTEGER)) == NULL)
2021 job_sheets = ippFindAttribute(response,
2022 "job-impressions-completed",
2023 IPP_TAG_INTEGER);
2024
2025 if (job_sheets)
2026 fprintf(stderr, "PAGE: total %d\n",
2027 job_sheets->values[0].integer);
2028
2029 /*
2030 * Stop polling if the job is finished or pending-held...
2031 */
2032
2033 if (job_state->values[0].integer > IPP_JOB_STOPPED)
2034 {
2035 ippDelete(response);
2036 break;
2037 }
2038 }
2039 else if (ipp_status != IPP_SERVICE_UNAVAILABLE &&
2040 ipp_status != IPP_NOT_POSSIBLE &&
2041 ipp_status != IPP_PRINTER_BUSY)
2042 {
2043 /*
2044 * If the printer does not return a job-state attribute, it does not
2045 * conform to the IPP specification - break out immediately and fail
2046 * the job...
2047 */
2048
2049 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
2050 "cups-ipp-missing-job-state");
2051 ipp_status = IPP_INTERNAL_ERROR;
2052 break;
2053 }
2054 }
2055
2056 ippDelete(response);
2057
2058 /*
2059 * Wait before polling again...
2060 */
2061
2062 sleep((unsigned)delay);
2063
2064 delay = _cupsNextDelay(delay, &prev_delay);
2065 }
2066 }
2067
2068 /*
2069 * Cancel the job as needed...
2070 */
2071
2072 if (job_canceled > 0 && job_id > 0)
2073 {
2074 cancel_job(http, uri, job_id, resource, argv[2], version);
2075
2076 if (cupsLastError() > IPP_OK_CONFLICT)
2077 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
2078 }
2079
2080 /*
2081 * Check the printer state and report it if necessary...
2082 */
2083
2084 check_printer_state(http, uri, resource, argv[2], version);
2085
2086 if (cupsLastError() <= IPP_OK_CONFLICT)
2087 password_tries = 0;
2088
2089 /*
2090 * Collect the final page count as needed...
2091 */
2092
2093 if (have_supplies &&
2094 !backendSNMPSupplies(snmp_fd, &(http->addrlist->addr), &page_count,
2095 NULL) &&
2096 page_count > start_count)
2097 fprintf(stderr, "PAGE: total %d\n", page_count - start_count);
2098
2099 #ifdef HAVE_GSSAPI
2100 /*
2101 * See if we used Kerberos at all...
2102 */
2103
2104 if (http->gssctx)
2105 auth_info_required = "negotiate";
2106 #endif /* HAVE_GSSAPI */
2107
2108 /*
2109 * Free memory...
2110 */
2111
2112 cleanup:
2113
2114 cupsFreeOptions(num_options, options);
2115 _ppdCacheDestroy(pc);
2116 ppdClose(ppd);
2117
2118 httpClose(http);
2119
2120 ippDelete(supported);
2121
2122 /*
2123 * Remove the temporary file(s) if necessary...
2124 */
2125
2126 if (tmpfilename[0])
2127 unlink(tmpfilename);
2128
2129 /*
2130 * Return the queue status...
2131 */
2132
2133 if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN ||
2134 ipp_status == IPP_AUTHENTICATION_CANCELED ||
2135 ipp_status <= IPP_OK_CONFLICT)
2136 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
2137
2138 if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED)
2139 fputs("JOBSTATE: account-info-needed\n", stderr);
2140 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED)
2141 fputs("JOBSTATE: account-closed\n", stderr);
2142 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED)
2143 fputs("JOBSTATE: account-limit-reached\n", stderr);
2144 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
2145 fputs("JOBSTATE: account-authorization-failed\n", stderr);
2146
2147 if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN ||
2148 ipp_status == IPP_AUTHENTICATION_CANCELED)
2149 return (CUPS_BACKEND_AUTH_REQUIRED);
2150 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
2151 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
2152 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
2153 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
2154 return (CUPS_BACKEND_HOLD);
2155 else if (ipp_status == IPP_INTERNAL_ERROR)
2156 return (CUPS_BACKEND_STOP);
2157 else if (ipp_status == IPP_CONFLICT)
2158 return (CUPS_BACKEND_FAILED);
2159 else if (ipp_status == IPP_REQUEST_VALUE ||
2160 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
2161 ipp_status == IPP_DOCUMENT_FORMAT || job_canceled < 0)
2162 {
2163 if (ipp_status == IPP_REQUEST_VALUE)
2164 _cupsLangPrintFilter(stderr, "ERROR", _("Print job too large."));
2165 else if (ipp_status == IPP_DOCUMENT_FORMAT)
2166 _cupsLangPrintFilter(stderr, "ERROR",
2167 _("Printer cannot print supplied content."));
2168 else if (ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES)
2169 _cupsLangPrintFilter(stderr, "ERROR",
2170 _("Printer cannot print with supplied options."));
2171 else
2172 _cupsLangPrintFilter(stderr, "ERROR", _("Print job canceled at printer."));
2173
2174 return (CUPS_BACKEND_CANCEL);
2175 }
2176 else if (ipp_status > IPP_OK_CONFLICT && ipp_status != IPP_ERROR_JOB_CANCELED)
2177 return (CUPS_BACKEND_RETRY_CURRENT);
2178 else
2179 return (CUPS_BACKEND_OK);
2180 }
2181
2182
2183 /*
2184 * 'cancel_job()' - Cancel a print job.
2185 */
2186
2187 static void
2188 cancel_job(http_t *http, /* I - HTTP connection */
2189 const char *uri, /* I - printer-uri */
2190 int id, /* I - job-id */
2191 const char *resource, /* I - Resource path */
2192 const char *user, /* I - requesting-user-name */
2193 int version) /* I - IPP version */
2194 {
2195 ipp_t *request; /* Cancel-Job request */
2196
2197
2198 _cupsLangPrintFilter(stderr, "INFO", _("Canceling print job."));
2199
2200 request = ippNewRequest(IPP_CANCEL_JOB);
2201 ippSetVersion(request, version / 10, version % 10);
2202
2203 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2204 NULL, uri);
2205 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", id);
2206
2207 if (user && user[0])
2208 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2209 "requesting-user-name", NULL, user);
2210
2211 /*
2212 * Do the request...
2213 */
2214
2215 ippDelete(cupsDoRequest(http, request, resource));
2216 }
2217
2218
2219 /*
2220 * 'check_printer_state()' - Check the printer state.
2221 */
2222
2223 static ipp_pstate_t /* O - Current printer-state */
2224 check_printer_state(
2225 http_t *http, /* I - HTTP connection */
2226 const char *uri, /* I - Printer URI */
2227 const char *resource, /* I - Resource path */
2228 const char *user, /* I - Username, if any */
2229 int version) /* I - IPP version */
2230 {
2231 ipp_t *request, /* IPP request */
2232 *response; /* IPP response */
2233 ipp_attribute_t *attr; /* Attribute in response */
2234 ipp_pstate_t printer_state = IPP_PRINTER_STOPPED;
2235 /* Current printer-state */
2236
2237
2238 /*
2239 * Send a Get-Printer-Attributes request and log the results...
2240 */
2241
2242 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
2243 ippSetVersion(request, version / 10, version % 10);
2244
2245 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2246 NULL, uri);
2247
2248 if (user && user[0])
2249 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2250 "requesting-user-name", NULL, user);
2251
2252 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2253 "requested-attributes",
2254 (int)(sizeof(pattrs) / sizeof(pattrs[0])), NULL, pattrs);
2255
2256 if ((response = cupsDoRequest(http, request, resource)) != NULL)
2257 {
2258 report_printer_state(response);
2259
2260 if ((attr = ippFindAttribute(response, "printer-state",
2261 IPP_TAG_ENUM)) != NULL)
2262 printer_state = (ipp_pstate_t)attr->values[0].integer;
2263
2264 ippDelete(response);
2265 }
2266
2267 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
2268 ippErrorString(cupsLastError()), cupsLastErrorString());
2269
2270 /*
2271 * Return the printer-state value...
2272 */
2273
2274 return (printer_state);
2275 }
2276
2277
2278 /*
2279 * 'monitor_printer()' - Monitor the printer state.
2280 */
2281
2282 static void * /* O - Thread exit code */
2283 monitor_printer(
2284 _cups_monitor_t *monitor) /* I - Monitoring data */
2285 {
2286 http_t *http; /* Connection to printer */
2287 ipp_t *request, /* IPP request */
2288 *response; /* IPP response */
2289 ipp_attribute_t *attr; /* Attribute in response */
2290 int delay, /* Current delay */
2291 prev_delay; /* Previous delay */
2292 ipp_op_t job_op; /* Operation to use */
2293 int job_id; /* Job ID */
2294 const char *job_name; /* Job name */
2295 ipp_jstate_t job_state; /* Job state */
2296 const char *job_user; /* Job originating user name */
2297 int password_tries = 0; /* Password tries */
2298
2299
2300 /*
2301 * Make a copy of the printer connection...
2302 */
2303
2304 http = httpConnect2(monitor->hostname, monitor->port, NULL, AF_UNSPEC,
2305 monitor->encryption, 1, 0, NULL);
2306 httpSetTimeout(http, 30.0, timeout_cb, NULL);
2307 if (username[0])
2308 cupsSetUser(username);
2309
2310 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries);
2311
2312 /*
2313 * Loop until the job is canceled, aborted, or completed.
2314 */
2315
2316 delay = _cupsNextDelay(0, &prev_delay);
2317
2318 monitor->job_reasons = 0;
2319
2320 while (monitor->job_state < IPP_JOB_CANCELED && !job_canceled)
2321 {
2322 /*
2323 * Reconnect to the printer...
2324 */
2325
2326 if (!httpReconnect(http))
2327 {
2328 /*
2329 * Connected, so check on the printer state...
2330 */
2331
2332 monitor->printer_state = check_printer_state(http, monitor->uri,
2333 monitor->resource,
2334 monitor->user,
2335 monitor->version);
2336 if (cupsLastError() <= IPP_OK_CONFLICT)
2337 password_tries = 0;
2338
2339 /*
2340 * Check the status of the job itself...
2341 */
2342
2343 job_op = (monitor->job_id > 0 && monitor->get_job_attrs) ?
2344 IPP_GET_JOB_ATTRIBUTES : IPP_GET_JOBS;
2345 request = ippNewRequest(job_op);
2346 ippSetVersion(request, monitor->version / 10, monitor->version % 10);
2347
2348 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2349 NULL, monitor->uri);
2350 if (job_op == IPP_GET_JOB_ATTRIBUTES)
2351 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
2352 monitor->job_id);
2353
2354 if (monitor->user && monitor->user[0])
2355 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2356 "requesting-user-name", NULL, monitor->user);
2357
2358 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2359 "requested-attributes",
2360 (int)(sizeof(jattrs) / sizeof(jattrs[0])), NULL, jattrs);
2361
2362 /*
2363 * Do the request...
2364 */
2365
2366 response = cupsDoRequest(http, request, monitor->resource);
2367
2368 fprintf(stderr, "DEBUG: (monitor) %s: %s (%s)\n", ippOpString(job_op),
2369 ippErrorString(cupsLastError()), cupsLastErrorString());
2370
2371 if (cupsLastError() <= IPP_OK_CONFLICT)
2372 password_tries = 0;
2373
2374 if (job_op == IPP_GET_JOB_ATTRIBUTES)
2375 {
2376 if ((attr = ippFindAttribute(response, "job-state",
2377 IPP_TAG_ENUM)) != NULL)
2378 monitor->job_state = (ipp_jstate_t)attr->values[0].integer;
2379 else
2380 monitor->job_state = IPP_JOB_COMPLETED;
2381 }
2382 else if (response)
2383 {
2384 for (attr = response->attrs; attr; attr = attr->next)
2385 {
2386 job_id = 0;
2387 job_name = NULL;
2388 job_state = IPP_JOB_PENDING;
2389 job_user = NULL;
2390
2391 while (attr && attr->group_tag != IPP_TAG_JOB)
2392 attr = attr->next;
2393
2394 if (!attr)
2395 break;
2396
2397 while (attr && attr->group_tag == IPP_TAG_JOB)
2398 {
2399 if (!strcmp(attr->name, "job-id") &&
2400 attr->value_tag == IPP_TAG_INTEGER)
2401 job_id = attr->values[0].integer;
2402 else if (!strcmp(attr->name, "job-name") &&
2403 (attr->value_tag == IPP_TAG_NAME ||
2404 attr->value_tag == IPP_TAG_NAMELANG))
2405 job_name = attr->values[0].string.text;
2406 else if (!strcmp(attr->name, "job-state") &&
2407 attr->value_tag == IPP_TAG_ENUM)
2408 job_state = (ipp_jstate_t)attr->values[0].integer;
2409 else if (!strcmp(attr->name, "job-originating-user-name") &&
2410 (attr->value_tag == IPP_TAG_NAME ||
2411 attr->value_tag == IPP_TAG_NAMELANG))
2412 job_user = attr->values[0].string.text;
2413
2414 attr = attr->next;
2415 }
2416
2417 if (job_id > 0 && job_name && !strcmp(job_name, monitor->job_name) &&
2418 job_user && monitor->user && !strcmp(job_user, monitor->user))
2419 {
2420 monitor->job_id = job_id;
2421 monitor->job_state = job_state;
2422 break;
2423 }
2424
2425 if (!attr)
2426 break;
2427 }
2428 }
2429
2430 if ((attr = ippFindAttribute(response, "job-state-reasons",
2431 IPP_TAG_KEYWORD)) != NULL)
2432 {
2433 int i, new_reasons = 0; /* Looping var, new reasons */
2434
2435 for (i = 0; i < attr->num_values; i ++)
2436 {
2437 if (!strcmp(attr->values[i].string.text,
2438 "account-authorization-failed"))
2439 new_reasons |= _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED;
2440 else if (!strcmp(attr->values[i].string.text, "account-closed"))
2441 new_reasons |= _CUPS_JSR_ACCOUNT_CLOSED;
2442 else if (!strcmp(attr->values[i].string.text, "account-info-needed"))
2443 new_reasons |= _CUPS_JSR_ACCOUNT_INFO_NEEDED;
2444 else if (!strcmp(attr->values[i].string.text,
2445 "account-limit-reached"))
2446 new_reasons |= _CUPS_JSR_ACCOUNT_LIMIT_REACHED;
2447 else if (!strcmp(attr->values[i].string.text, "job-password-wait"))
2448 new_reasons |= _CUPS_JSR_JOB_PASSWORD_WAIT;
2449 else if (!strcmp(attr->values[i].string.text, "job-release-wait"))
2450 new_reasons |= _CUPS_JSR_JOB_RELEASE_WAIT;
2451 }
2452
2453 if (new_reasons != monitor->job_reasons)
2454 {
2455 if (new_reasons & _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED)
2456 fputs("JOBSTATE: account-authorization-failed\n", stderr);
2457 else if (new_reasons & _CUPS_JSR_ACCOUNT_CLOSED)
2458 fputs("JOBSTATE: account-closed\n", stderr);
2459 else if (new_reasons & _CUPS_JSR_ACCOUNT_INFO_NEEDED)
2460 fputs("JOBSTATE: account-info-needed\n", stderr);
2461 else if (new_reasons & _CUPS_JSR_ACCOUNT_LIMIT_REACHED)
2462 fputs("JOBSTATE: account-limit-reached\n", stderr);
2463 else if (new_reasons & _CUPS_JSR_JOB_PASSWORD_WAIT)
2464 fputs("JOBSTATE: job-password-wait\n", stderr);
2465 else if (new_reasons & _CUPS_JSR_JOB_RELEASE_WAIT)
2466 fputs("JOBSTATE: job-release-wait\n", stderr);
2467 else
2468 fputs("JOBSTATE: job-printing\n", stderr);
2469
2470 monitor->job_reasons = new_reasons;
2471 }
2472 }
2473
2474 ippDelete(response);
2475
2476 fprintf(stderr, "DEBUG: (monitor) job-state=%s\n",
2477 ippEnumString("job-state", monitor->job_state));
2478
2479 if (!job_canceled &&
2480 (monitor->job_state == IPP_JOB_CANCELED ||
2481 monitor->job_state == IPP_JOB_ABORTED))
2482 job_canceled = -1;
2483
2484 /*
2485 * Disconnect from the printer - we'll reconnect on the next poll...
2486 */
2487
2488 _httpDisconnect(http);
2489 }
2490
2491 /*
2492 * Sleep for N seconds...
2493 */
2494
2495 sleep((unsigned)delay);
2496
2497 delay = _cupsNextDelay(delay, &prev_delay);
2498 }
2499
2500 /*
2501 * Cancel the job if necessary...
2502 */
2503
2504 if (job_canceled > 0 && monitor->job_id > 0)
2505 {
2506 if (!httpReconnect(http))
2507 {
2508 cancel_job(http, monitor->uri, monitor->job_id, monitor->resource,
2509 monitor->user, monitor->version);
2510
2511 if (cupsLastError() > IPP_OK_CONFLICT)
2512 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
2513 }
2514 }
2515
2516 /*
2517 * Cleanup and return...
2518 */
2519
2520 httpClose(http);
2521
2522 return (NULL);
2523 }
2524
2525
2526 /*
2527 * 'new_request()' - Create a new print creation or validation request.
2528 */
2529
2530 static ipp_t * /* O - Request data */
2531 new_request(
2532 ipp_op_t op, /* I - IPP operation code */
2533 int version, /* I - IPP version number */
2534 const char *uri, /* I - printer-uri value */
2535 const char *user, /* I - requesting-user-name value */
2536 const char *title, /* I - job-name value */
2537 int num_options, /* I - Number of options to send */
2538 cups_option_t *options, /* I - Options to send */
2539 const char *compression, /* I - compression value or NULL */
2540 int copies, /* I - copies value or 0 */
2541 const char *format, /* I - document-format value or NULL */
2542 _ppd_cache_t *pc, /* I - PPD cache and mapping data */
2543 ppd_file_t *ppd, /* I - PPD file data */
2544 ipp_attribute_t *media_col_sup, /* I - media-col-supported values */
2545 ipp_attribute_t *doc_handling_sup, /* I - multiple-document-handling-supported values */
2546 ipp_attribute_t *print_color_mode_sup)
2547 /* I - Printer supports print-color-mode */
2548 {
2549 int i; /* Looping var */
2550 ipp_t *request; /* Request data */
2551 const char *keyword; /* PWG keyword */
2552 _pwg_size_t *size; /* PWG media size */
2553 ipp_t *media_col, /* media-col value */
2554 *media_size; /* media-size value */
2555 const char *media_source, /* media-source value */
2556 *media_type, /* media-type value */
2557 *collate_str, /* multiple-document-handling value */
2558 *mandatory; /* Mandatory attributes */
2559 ipp_tag_t group; /* Current group */
2560 ipp_attribute_t *attr; /* Current attribute */
2561 const char *color_attr_name; /* Supported color attribute */
2562 char buffer[1024]; /* Value buffer */
2563
2564
2565 /*
2566 * Create the IPP request...
2567 */
2568
2569 request = ippNewRequest(op);
2570 ippSetVersion(request, version / 10, version % 10);
2571
2572 fprintf(stderr, "DEBUG: %s IPP/%d.%d\n",
2573 ippOpString(request->request.op.operation_id),
2574 request->request.op.version[0],
2575 request->request.op.version[1]);
2576
2577 /*
2578 * Add standard attributes...
2579 */
2580
2581 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2582 NULL, uri);
2583 fprintf(stderr, "DEBUG: printer-uri=\"%s\"\n", uri);
2584
2585 if (user && *user)
2586 {
2587 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2588 "requesting-user-name", NULL, user);
2589 fprintf(stderr, "DEBUG: requesting-user-name=\"%s\"\n", user);
2590 }
2591
2592 if (title && *title)
2593 {
2594 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
2595 title);
2596 fprintf(stderr, "DEBUG: job-name=\"%s\"\n", title);
2597 }
2598
2599 if (format && op != IPP_CREATE_JOB)
2600 {
2601 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
2602 "document-format", NULL, format);
2603 fprintf(stderr, "DEBUG: document-format=\"%s\"\n", format);
2604 }
2605
2606 #ifdef HAVE_LIBZ
2607 if (compression && op != IPP_OP_CREATE_JOB && op != IPP_OP_VALIDATE_JOB)
2608 {
2609 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2610 "compression", NULL, compression);
2611 fprintf(stderr, "DEBUG: compression=\"%s\"\n", compression);
2612 }
2613 #endif /* HAVE_LIBZ */
2614
2615 /*
2616 * Handle options on the command-line...
2617 */
2618
2619 if (num_options > 0)
2620 {
2621 if (pc)
2622 {
2623 int num_finishings = 0, /* Number of finishing values */
2624 finishings[10]; /* Finishing enum values */
2625 ppd_choice_t *choice; /* Marked choice */
2626
2627 /*
2628 * Send standard IPP attributes...
2629 */
2630
2631 fputs("DEBUG: Adding standard IPP operation/job attributes.\n", stderr);
2632
2633 if (pc->password &&
2634 (keyword = cupsGetOption("job-password", num_options,
2635 options)) != NULL)
2636 {
2637 ippAddOctetString(request, IPP_TAG_OPERATION, "job-password", keyword, (int)strlen(keyword));
2638
2639 if ((keyword = cupsGetOption("job-password-encryption", num_options,
2640 options)) == NULL)
2641 keyword = "none";
2642
2643 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2644 "job-password-encryption", NULL, keyword);
2645 }
2646
2647 if (pc->account_id)
2648 {
2649 if ((keyword = cupsGetOption("job-account-id", num_options,
2650 options)) == NULL)
2651 keyword = cupsGetOption("job-billing", num_options, options);
2652
2653 if (keyword)
2654 ippAddString(request, IPP_TAG_JOB, IPP_TAG_NAME, "job-account-id",
2655 NULL, keyword);
2656 }
2657
2658 if (pc->accounting_user_id)
2659 {
2660 if ((keyword = cupsGetOption("job-accounting-user-id", num_options,
2661 options)) == NULL)
2662 keyword = user;
2663
2664 if (keyword)
2665 ippAddString(request, IPP_TAG_JOB, IPP_TAG_NAME,
2666 "job-accounting-user-id", NULL, keyword);
2667 }
2668
2669 for (mandatory = (char *)cupsArrayFirst(pc->mandatory);
2670 mandatory;
2671 mandatory = (char *)cupsArrayNext(pc->mandatory))
2672 {
2673 if (strcmp(mandatory, "copies") &&
2674 strcmp(mandatory, "destination-uris") &&
2675 strcmp(mandatory, "finishings") &&
2676 strcmp(mandatory, "job-account-id") &&
2677 strcmp(mandatory, "job-accounting-user-id") &&
2678 strcmp(mandatory, "job-password") &&
2679 strcmp(mandatory, "job-password-encryption") &&
2680 strcmp(mandatory, "media") &&
2681 strncmp(mandatory, "media-col", 9) &&
2682 strcmp(mandatory, "multiple-document-handling") &&
2683 strcmp(mandatory, "output-bin") &&
2684 strcmp(mandatory, "print-color-mode") &&
2685 strcmp(mandatory, "print-quality") &&
2686 strcmp(mandatory, "sides") &&
2687 (keyword = cupsGetOption(mandatory, num_options, options)) != NULL)
2688 {
2689 _ipp_option_t *opt = _ippFindOption(mandatory);
2690 /* Option type */
2691 ipp_tag_t value_tag = opt ? opt->value_tag : IPP_TAG_NAME;
2692 /* Value type */
2693
2694 switch (value_tag)
2695 {
2696 case IPP_TAG_INTEGER :
2697 case IPP_TAG_ENUM :
2698 ippAddInteger(request, IPP_TAG_JOB, value_tag, mandatory,
2699 atoi(keyword));
2700 break;
2701 case IPP_TAG_BOOLEAN :
2702 ippAddBoolean(request, IPP_TAG_JOB, mandatory,
2703 !_cups_strcasecmp(keyword, "true"));
2704 break;
2705 case IPP_TAG_RANGE :
2706 {
2707 int lower, upper; /* Range */
2708
2709 if (sscanf(keyword, "%d-%d", &lower, &upper) != 2)
2710 lower = upper = atoi(keyword);
2711
2712 ippAddRange(request, IPP_TAG_JOB, mandatory, lower, upper);
2713 }
2714 break;
2715 case IPP_TAG_STRING :
2716 ippAddOctetString(request, IPP_TAG_JOB, mandatory, keyword, (int)strlen(keyword));
2717 break;
2718 default :
2719 if (!strcmp(mandatory, "print-color-mode") && !strcmp(keyword, "monochrome"))
2720 {
2721 if (ippContainsString(print_color_mode_sup, "auto-monochrome"))
2722 keyword = "auto-monochrome";
2723 else if (ippContainsString(print_color_mode_sup, "process-monochrome") && !ippContainsString(print_color_mode_sup, "monochrome"))
2724 keyword = "process-monochrome";
2725 }
2726
2727 ippAddString(request, IPP_TAG_JOB, value_tag, mandatory,
2728 NULL, keyword);
2729 break;
2730 }
2731 }
2732 }
2733
2734 if ((keyword = cupsGetOption("PageSize", num_options, options)) == NULL)
2735 keyword = cupsGetOption("media", num_options, options);
2736
2737 if ((size = _ppdCacheGetSize(pc, keyword)) != NULL)
2738 {
2739 /*
2740 * Add a media-col value...
2741 */
2742
2743 media_size = ippNew();
2744 ippAddInteger(media_size, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2745 "x-dimension", size->width);
2746 ippAddInteger(media_size, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2747 "y-dimension", size->length);
2748
2749 media_col = ippNew();
2750 ippAddCollection(media_col, IPP_TAG_ZERO, "media-size", media_size);
2751
2752 media_source = _ppdCacheGetSource(pc, cupsGetOption("InputSlot",
2753 num_options,
2754 options));
2755 media_type = _ppdCacheGetType(pc, cupsGetOption("MediaType",
2756 num_options,
2757 options));
2758
2759 for (i = 0; i < media_col_sup->num_values; i ++)
2760 {
2761 if (!strcmp(media_col_sup->values[i].string.text,
2762 "media-left-margin"))
2763 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2764 "media-left-margin", size->left);
2765 else if (!strcmp(media_col_sup->values[i].string.text,
2766 "media-bottom-margin"))
2767 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2768 "media-bottom-margin", size->bottom);
2769 else if (!strcmp(media_col_sup->values[i].string.text,
2770 "media-right-margin"))
2771 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2772 "media-right-margin", size->right);
2773 else if (!strcmp(media_col_sup->values[i].string.text,
2774 "media-top-margin"))
2775 ippAddInteger(media_col, IPP_TAG_ZERO, IPP_TAG_INTEGER,
2776 "media-top-margin", size->top);
2777 else if (!strcmp(media_col_sup->values[i].string.text,
2778 "media-source") && media_source)
2779 ippAddString(media_col, IPP_TAG_ZERO, IPP_TAG_KEYWORD,
2780 "media-source", NULL, media_source);
2781 else if (!strcmp(media_col_sup->values[i].string.text,
2782 "media-type") && media_type)
2783 ippAddString(media_col, IPP_TAG_ZERO, IPP_TAG_KEYWORD,
2784 "media-type", NULL, media_type);
2785 }
2786
2787 ippAddCollection(request, IPP_TAG_JOB, "media-col", media_col);
2788 }
2789
2790 if ((keyword = cupsGetOption("output-bin", num_options,
2791 options)) == NULL)
2792 {
2793 if ((choice = ppdFindMarkedChoice(ppd, "OutputBin")) != NULL)
2794 keyword = _ppdCacheGetBin(pc, choice->choice);
2795 }
2796
2797 if (keyword)
2798 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "output-bin",
2799 NULL, keyword);
2800
2801 color_attr_name = print_color_mode_sup ? "print-color-mode" : "output-mode";
2802
2803 if ((keyword = cupsGetOption("print-color-mode", num_options,
2804 options)) == NULL)
2805 {
2806 if ((choice = ppdFindMarkedChoice(ppd, "ColorModel")) != NULL)
2807 {
2808 if (!_cups_strcasecmp(choice->choice, "Gray"))
2809 keyword = "monochrome";
2810 else
2811 keyword = "color";
2812 }
2813 }
2814
2815 if (keyword && !strcmp(keyword, "monochrome"))
2816 {
2817 if (ippContainsString(print_color_mode_sup, "auto-monochrome"))
2818 keyword = "auto-monochrome";
2819 else if (ippContainsString(print_color_mode_sup, "process-monochrome") && !ippContainsString(print_color_mode_sup, "monochrome"))
2820 keyword = "process-monochrome";
2821 }
2822
2823 if (keyword)
2824 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, color_attr_name,
2825 NULL, keyword);
2826
2827 if ((keyword = cupsGetOption("print-quality", num_options,
2828 options)) != NULL)
2829 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
2830 atoi(keyword));
2831 else if ((choice = ppdFindMarkedChoice(ppd, "cupsPrintQuality")) != NULL)
2832 {
2833 if (!_cups_strcasecmp(choice->choice, "draft"))
2834 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
2835 IPP_QUALITY_DRAFT);
2836 else if (!_cups_strcasecmp(choice->choice, "normal"))
2837 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
2838 IPP_QUALITY_NORMAL);
2839 else if (!_cups_strcasecmp(choice->choice, "high"))
2840 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_ENUM, "print-quality",
2841 IPP_QUALITY_HIGH);
2842 }
2843
2844 if ((keyword = cupsGetOption("sides", num_options, options)) != NULL)
2845 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
2846 NULL, keyword);
2847 else if (pc->sides_option &&
2848 (choice = ppdFindMarkedChoice(ppd, pc->sides_option)) != NULL)
2849 {
2850 if (!_cups_strcasecmp(choice->choice, pc->sides_1sided))
2851 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
2852 NULL, "one-sided");
2853 else if (!_cups_strcasecmp(choice->choice, pc->sides_2sided_long))
2854 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
2855 NULL, "two-sided-long-edge");
2856 if (!_cups_strcasecmp(choice->choice, pc->sides_2sided_short))
2857 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD, "sides",
2858 NULL, "two-sided-short-edge");
2859 }
2860
2861 if ((keyword = cupsGetOption("multiple-document-handling",
2862 num_options, options)) != NULL)
2863 {
2864 if (strstr(keyword, "uncollated"))
2865 keyword = "false";
2866 else
2867 keyword = "true";
2868 }
2869 else if ((keyword = cupsGetOption("collate", num_options,
2870 options)) == NULL)
2871 keyword = "true";
2872
2873 if (format)
2874 {
2875 if (!_cups_strcasecmp(format, "image/gif") ||
2876 !_cups_strcasecmp(format, "image/jp2") ||
2877 !_cups_strcasecmp(format, "image/jpeg") ||
2878 !_cups_strcasecmp(format, "image/png") ||
2879 !_cups_strcasecmp(format, "image/tiff") ||
2880 !_cups_strncasecmp(format, "image/x-", 8))
2881 {
2882 /*
2883 * Collation makes no sense for single page image formats...
2884 */
2885
2886 keyword = "false";
2887 }
2888 else if (!_cups_strncasecmp(format, "image/", 6) ||
2889 !_cups_strcasecmp(format, "application/vnd.cups-raster"))
2890 {
2891 /*
2892 * Multi-page image formats will have copies applied by the upstream
2893 * filters...
2894 */
2895
2896 copies = 1;
2897 }
2898 }
2899
2900 if (doc_handling_sup)
2901 {
2902 if (!_cups_strcasecmp(keyword, "true"))
2903 collate_str = "separate-documents-collated-copies";
2904 else
2905 collate_str = "separate-documents-uncollated-copies";
2906
2907 for (i = 0; i < doc_handling_sup->num_values; i ++)
2908 if (!strcmp(doc_handling_sup->values[i].string.text, collate_str))
2909 {
2910 ippAddString(request, IPP_TAG_JOB, IPP_TAG_KEYWORD,
2911 "multiple-document-handling", NULL, collate_str);
2912 break;
2913 }
2914
2915 if (i >= doc_handling_sup->num_values)
2916 copies = 1;
2917 }
2918
2919 /*
2920 * Map finishing options...
2921 */
2922
2923 num_finishings = _ppdCacheGetFinishingValues(pc, num_options, options,
2924 (int)(sizeof(finishings) /
2925 sizeof(finishings[0])),
2926 finishings);
2927 if (num_finishings > 0)
2928 ippAddIntegers(request, IPP_TAG_JOB, IPP_TAG_ENUM, "finishings",
2929 num_finishings, finishings);
2930
2931 /*
2932 * Map FaxOut options...
2933 */
2934
2935 if ((keyword = cupsGetOption("phone", num_options, options)) != NULL)
2936 {
2937 ipp_t *destination; /* destination collection */
2938 char phone[1024], /* Phone number string */
2939 *ptr, /* Pointer into string */
2940 tel_uri[1024]; /* tel: URI */
2941 static const char * const allowed = "0123456789#*-+.()";
2942 /* Allowed characters */
2943
2944 destination = ippNew();
2945
2946 /*
2947 * Unescape and filter out spaces and other characters that are not
2948 * allowed in a tel: URI.
2949 */
2950
2951 _httpDecodeURI(phone, keyword, sizeof(phone));
2952 for (ptr = phone; *ptr;)
2953 {
2954 if (!strchr(allowed, *ptr))
2955 _cups_strcpy(ptr, ptr + 1);
2956 else
2957 ptr ++;
2958 }
2959
2960 httpAssembleURI(HTTP_URI_CODING_ALL, tel_uri, sizeof(tel_uri), "tel", NULL, NULL, 0, phone);
2961 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_URI, "destination-uri", NULL, tel_uri);
2962
2963 if ((keyword = cupsGetOption("faxPrefix", num_options,
2964 options)) != NULL && *keyword)
2965 {
2966 char predial[1024]; /* Pre-dial string */
2967
2968 _httpDecodeURI(predial, keyword, sizeof(predial));
2969 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_TEXT, "pre-dial-string", NULL, predial);
2970 }
2971
2972 ippAddCollection(request, IPP_TAG_JOB, "destination-uris", destination);
2973 ippDelete(destination);
2974 }
2975 }
2976 else
2977 {
2978 /*
2979 * When talking to another CUPS server, send all options...
2980 */
2981
2982 fputs("DEBUG: Adding all operation/job attributes.\n", stderr);
2983 cupsEncodeOptions2(request, num_options, options, IPP_TAG_OPERATION);
2984 cupsEncodeOptions2(request, num_options, options, IPP_TAG_JOB);
2985 }
2986
2987 if (copies > 1 && (!pc || copies <= pc->max_copies))
2988 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", copies);
2989 }
2990
2991 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10,
2992 ippOpString(ippGetOperation(request)), ippGetRequestId(request));
2993 for (group = IPP_TAG_ZERO, attr = ippFirstAttribute(request);
2994 attr;
2995 attr = ippNextAttribute(request))
2996 {
2997 const char *name = ippGetName(attr);
2998
2999 if (!name)
3000 {
3001 group = IPP_TAG_ZERO;
3002 continue;
3003 }
3004
3005 if (group != ippGetGroupTag(attr))
3006 {
3007 group = ippGetGroupTag(attr);
3008 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(group));
3009 }
3010
3011 ippAttributeString(attr, buffer, sizeof(buffer));
3012 fprintf(stderr, "DEBUG: %s %s%s %s\n", name,
3013 ippGetCount(attr) > 1 ? "1setOf " : "",
3014 ippTagString(ippGetValueTag(attr)), buffer);
3015 }
3016
3017 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(IPP_TAG_END));
3018
3019 return (request);
3020 }
3021
3022
3023 /*
3024 * 'password_cb()' - Disable the password prompt for cupsDoFileRequest().
3025 */
3026
3027 static const char * /* O - Password */
3028 password_cb(const char *prompt, /* I - Prompt (not used) */
3029 http_t *http, /* I - Connection */
3030 const char *method, /* I - Request method (not used) */
3031 const char *resource, /* I - Resource path (not used) */
3032 int *password_tries) /* I - Password tries */
3033 {
3034 char def_username[HTTP_MAX_VALUE]; /* Default username */
3035
3036
3037 fprintf(stderr, "DEBUG: password_cb(prompt=\"%s\", http=%p, method=\"%s\", "
3038 "resource=\"%s\", password_tries=%p(%d)), password=%p\n",
3039 prompt, http, method, resource, password_tries, *password_tries,
3040 password);
3041
3042 (void)prompt;
3043 (void)method;
3044 (void)resource;
3045
3046 if (!uri_credentials)
3047 {
3048 /*
3049 * Remember that we need to authenticate...
3050 */
3051
3052 auth_info_required = "username,password";
3053
3054 if (httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "username",
3055 def_username))
3056 {
3057 char quoted[HTTP_MAX_VALUE * 2 + 4];
3058 /* Quoted string */
3059
3060 fprintf(stderr, "ATTR: auth-info-default=%s,\n",
3061 quote_string(def_username, quoted, sizeof(quoted)));
3062 }
3063 }
3064
3065 if (password && *password && *password_tries < 3)
3066 {
3067 (*password_tries) ++;
3068
3069 cupsSetUser(username);
3070
3071 return (password);
3072 }
3073 else
3074 {
3075 /*
3076 * Give up after 3 tries or if we don't have a password to begin with...
3077 */
3078
3079 return (NULL);
3080 }
3081 }
3082
3083
3084 /*
3085 * 'quote_string()' - Quote a string value.
3086 */
3087
3088 static const char * /* O - Quoted string */
3089 quote_string(const char *s, /* I - String */
3090 char *q, /* I - Quoted string buffer */
3091 size_t qsize) /* I - Size of quoted string buffer */
3092 {
3093 char *qptr, /* Pointer into string buffer */
3094 *qend; /* End of string buffer */
3095
3096
3097 qptr = q;
3098 qend = q + qsize - 5;
3099
3100 if (qend < q)
3101 {
3102 *q = '\0';
3103 return (q);
3104 }
3105
3106 *qptr++ = '\'';
3107 *qptr++ = '\"';
3108
3109 while (*s && qptr < qend)
3110 {
3111 if (*s == '\\' || *s == '\"' || *s == '\'')
3112 {
3113 if (qptr < (qend - 4))
3114 {
3115 *qptr++ = '\\';
3116 *qptr++ = '\\';
3117 *qptr++ = '\\';
3118 }
3119 else
3120 break;
3121 }
3122
3123 *qptr++ = *s++;
3124 }
3125
3126 *qptr++ = '\"';
3127 *qptr++ = '\'';
3128 *qptr = '\0';
3129
3130 return (q);
3131 }
3132
3133
3134 /*
3135 * 'report_attr()' - Report an IPP attribute value.
3136 */
3137
3138 static void
3139 report_attr(ipp_attribute_t *attr) /* I - Attribute */
3140 {
3141 int i; /* Looping var */
3142 char value[1024], /* Value string */
3143 *valptr; /* Pointer into value string */
3144 const char *cached; /* Cached attribute */
3145
3146
3147 /*
3148 * Convert the attribute values into quoted strings...
3149 */
3150
3151 for (i = 0, valptr = value;
3152 i < attr->num_values && valptr < (value + sizeof(value) - 10);
3153 i ++)
3154 {
3155 if (i > 0)
3156 *valptr++ = ',';
3157
3158 switch (attr->value_tag)
3159 {
3160 case IPP_TAG_INTEGER :
3161 case IPP_TAG_ENUM :
3162 snprintf(valptr, sizeof(value) - (size_t)(valptr - value), "%d", attr->values[i].integer);
3163 valptr += strlen(valptr);
3164 break;
3165
3166 case IPP_TAG_TEXT :
3167 case IPP_TAG_NAME :
3168 case IPP_TAG_KEYWORD :
3169 quote_string(attr->values[i].string.text, valptr, (size_t)(value + sizeof(value) - valptr));
3170 valptr += strlen(valptr);
3171 break;
3172
3173 default :
3174 /*
3175 * Unsupported value type...
3176 */
3177
3178 return;
3179 }
3180 }
3181
3182 *valptr = '\0';
3183
3184 _cupsMutexLock(&report_mutex);
3185
3186 if ((cached = cupsGetOption(attr->name, num_attr_cache,
3187 attr_cache)) == NULL || strcmp(cached, value))
3188 {
3189 /*
3190 * Tell the scheduler about the new values...
3191 */
3192
3193 num_attr_cache = cupsAddOption(attr->name, value, num_attr_cache,
3194 &attr_cache);
3195 fprintf(stderr, "ATTR: %s=%s\n", attr->name, value);
3196 }
3197
3198 _cupsMutexUnlock(&report_mutex);
3199 }
3200
3201
3202 /*
3203 * 'report_printer_state()' - Report the printer state.
3204 */
3205
3206 static void
3207 report_printer_state(ipp_t *ipp) /* I - IPP response */
3208 {
3209 ipp_attribute_t *pa, /* printer-alert */
3210 *pam, /* printer-alert-message */
3211 *psm, /* printer-state-message */
3212 *reasons, /* printer-state-reasons */
3213 *marker; /* marker-* attributes */
3214 char value[1024], /* State/message string */
3215 *valptr; /* Pointer into string */
3216 static int ipp_supplies = -1;
3217 /* Report supply levels? */
3218
3219
3220 /*
3221 * Report alerts and messages...
3222 */
3223
3224 if ((pa = ippFindAttribute(ipp, "printer-alert", IPP_TAG_TEXT)) != NULL)
3225 report_attr(pa);
3226
3227 if ((pam = ippFindAttribute(ipp, "printer-alert-message",
3228 IPP_TAG_TEXT)) != NULL)
3229 report_attr(pam);
3230
3231 if ((psm = ippFindAttribute(ipp, "printer-state-message",
3232 IPP_TAG_TEXT)) != NULL)
3233 {
3234 char *ptr; /* Pointer into message */
3235
3236
3237 strlcpy(value, "INFO: ", sizeof(value));
3238 for (ptr = psm->values[0].string.text, valptr = value + 6;
3239 *ptr && valptr < (value + sizeof(value) - 6);
3240 ptr ++)
3241 {
3242 if (*ptr < ' ' && *ptr > 0 && *ptr != '\t')
3243 {
3244 /*
3245 * Substitute "<XX>" for the control character; sprintf is safe because
3246 * we always leave 6 chars free at the end...
3247 */
3248
3249 sprintf(valptr, "<%02X>", *ptr);
3250 valptr += 4;
3251 }
3252 else
3253 *valptr++ = *ptr;
3254 }
3255
3256 *valptr++ = '\n';
3257 *valptr = '\0';
3258
3259 fputs(value, stderr);
3260 }
3261
3262 /*
3263 * Now report printer-state-reasons, filtering out some of the reasons we never
3264 * want to set...
3265 */
3266
3267 if ((reasons = ippFindAttribute(ipp, "printer-state-reasons",
3268 IPP_TAG_KEYWORD)) == NULL)
3269 return;
3270
3271 update_reasons(reasons, NULL);
3272
3273 /*
3274 * Relay the current marker-* attribute values...
3275 */
3276
3277 if (ipp_supplies < 0)
3278 {
3279 ppd_file_t *ppd; /* PPD file */
3280 ppd_attr_t *ppdattr; /* Attribute in PPD file */
3281
3282 if ((ppd = ppdOpenFile(getenv("PPD"))) != NULL &&
3283 (ppdattr = ppdFindAttr(ppd, "cupsIPPSupplies", NULL)) != NULL &&
3284 ppdattr->value && _cups_strcasecmp(ppdattr->value, "true"))
3285 ipp_supplies = 0;
3286 else
3287 ipp_supplies = 1;
3288
3289 ppdClose(ppd);
3290 }
3291
3292 if (ipp_supplies > 0)
3293 {
3294 if ((marker = ippFindAttribute(ipp, "marker-colors", IPP_TAG_NAME)) != NULL)
3295 report_attr(marker);
3296 if ((marker = ippFindAttribute(ipp, "marker-high-levels",
3297 IPP_TAG_INTEGER)) != NULL)
3298 report_attr(marker);
3299 if ((marker = ippFindAttribute(ipp, "marker-levels",
3300 IPP_TAG_INTEGER)) != NULL)
3301 report_attr(marker);
3302 if ((marker = ippFindAttribute(ipp, "marker-low-levels",
3303 IPP_TAG_INTEGER)) != NULL)
3304 report_attr(marker);
3305 if ((marker = ippFindAttribute(ipp, "marker-message",
3306 IPP_TAG_TEXT)) != NULL)
3307 report_attr(marker);
3308 if ((marker = ippFindAttribute(ipp, "marker-names", IPP_TAG_NAME)) != NULL)
3309 report_attr(marker);
3310 if ((marker = ippFindAttribute(ipp, "marker-types",
3311 IPP_TAG_KEYWORD)) != NULL)
3312 report_attr(marker);
3313 }
3314 }
3315
3316
3317 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3318 /*
3319 * 'run_as_user()' - Run the IPP backend as the printing user.
3320 *
3321 * This function uses an XPC-based user agent to run the backend as the printing
3322 * user. We need to do this in order to have access to the user's Kerberos
3323 * credentials.
3324 */
3325
3326 static int /* O - Exit status */
3327 run_as_user(char *argv[], /* I - Command-line arguments */
3328 uid_t uid, /* I - User ID */
3329 const char *device_uri, /* I - Device URI */
3330 int fd) /* I - File to print */
3331 {
3332 const char *auth_negotiate;/* AUTH_NEGOTIATE env var */
3333 xpc_connection_t conn; /* Connection to XPC service */
3334 xpc_object_t request; /* Request message dictionary */
3335 __block xpc_object_t response; /* Response message dictionary */
3336 dispatch_semaphore_t sem; /* Semaphore for waiting for response */
3337 int status = CUPS_BACKEND_FAILED;
3338 /* Status of request */
3339
3340
3341 fprintf(stderr, "DEBUG: Running IPP backend as UID %d.\n", (int)uid);
3342
3343 /*
3344 * Connect to the user agent for the specified UID...
3345 */
3346
3347 conn = xpc_connection_create_mach_service(kPMPrintUIToolAgent,
3348 dispatch_get_global_queue(0, 0), 0);
3349 if (!conn)
3350 {
3351 _cupsLangPrintFilter(stderr, "ERROR",
3352 _("Unable to start backend process."));
3353 fputs("DEBUG: Unable to create connection to agent.\n", stderr);
3354 goto cleanup;
3355 }
3356
3357 xpc_connection_set_event_handler(conn,
3358 ^(xpc_object_t event)
3359 {
3360 xpc_type_t messageType = xpc_get_type(event);
3361
3362 if (messageType == XPC_TYPE_ERROR)
3363 {
3364 if (event == XPC_ERROR_CONNECTION_INTERRUPTED)
3365 fprintf(stderr, "DEBUG: Interrupted connection to service %s.\n",
3366 xpc_connection_get_name(conn));
3367 else if (event == XPC_ERROR_CONNECTION_INVALID)
3368 fprintf(stderr, "DEBUG: Connection invalid for service %s.\n",
3369 xpc_connection_get_name(conn));
3370 else
3371 fprintf(stderr, "DEBUG: Unxpected error for service %s: %s\n",
3372 xpc_connection_get_name(conn),
3373 xpc_dictionary_get_string(event, XPC_ERROR_KEY_DESCRIPTION));
3374 }
3375 });
3376 xpc_connection_set_target_uid(conn, uid);
3377 xpc_connection_resume(conn);
3378
3379 /*
3380 * Try starting the backend...
3381 */
3382
3383 request = xpc_dictionary_create(NULL, NULL, 0);
3384 xpc_dictionary_set_int64(request, "command", kPMStartJob);
3385 xpc_dictionary_set_string(request, "device-uri", device_uri);
3386 xpc_dictionary_set_string(request, "job-id", argv[1]);
3387 xpc_dictionary_set_string(request, "user", argv[2]);
3388 xpc_dictionary_set_string(request, "title", argv[3]);
3389 xpc_dictionary_set_string(request, "copies", argv[4]);
3390 xpc_dictionary_set_string(request, "options", argv[5]);
3391 xpc_dictionary_set_string(request, "auth-info-required",
3392 getenv("AUTH_INFO_REQUIRED"));
3393 if ((auth_negotiate = getenv("AUTH_NEGOTIATE")) != NULL)
3394 xpc_dictionary_set_string(request, "auth-negotiate", auth_negotiate);
3395 xpc_dictionary_set_fd(request, "stdin", fd);
3396 xpc_dictionary_set_fd(request, "stderr", 2);
3397 xpc_dictionary_set_fd(request, "side-channel", CUPS_SC_FD);
3398
3399 sem = dispatch_semaphore_create(0);
3400 response = NULL;
3401
3402 xpc_connection_send_message_with_reply(conn, request,
3403 dispatch_get_global_queue(0,0),
3404 ^(xpc_object_t reply)
3405 {
3406 /* Save the response and wake up */
3407 if (xpc_get_type(reply)
3408 == XPC_TYPE_DICTIONARY)
3409 response = xpc_retain(reply);
3410
3411 dispatch_semaphore_signal(sem);
3412 });
3413
3414 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
3415 xpc_release(request);
3416 dispatch_release(sem);
3417
3418 if (response)
3419 {
3420 child_pid = (pid_t)xpc_dictionary_get_int64(response, "child-pid");
3421
3422 xpc_release(response);
3423
3424 if (child_pid)
3425 fprintf(stderr, "DEBUG: Child PID=%d.\n", (int)child_pid);
3426 else
3427 {
3428 _cupsLangPrintFilter(stderr, "ERROR",
3429 _("Unable to start backend process."));
3430 fputs("DEBUG: No child PID.\n", stderr);
3431 goto cleanup;
3432 }
3433 }
3434 else
3435 {
3436 _cupsLangPrintFilter(stderr, "ERROR",
3437 _("Unable to start backend process."));
3438 fputs("DEBUG: No reply from agent.\n", stderr);
3439 goto cleanup;
3440 }
3441
3442 /*
3443 * Then wait for the backend to finish...
3444 */
3445
3446 request = xpc_dictionary_create(NULL, NULL, 0);
3447 xpc_dictionary_set_int64(request, "command", kPMWaitForJob);
3448 xpc_dictionary_set_fd(request, "stderr", 2);
3449
3450 sem = dispatch_semaphore_create(0);
3451 response = NULL;
3452
3453 xpc_connection_send_message_with_reply(conn, request,
3454 dispatch_get_global_queue(0,0),
3455 ^(xpc_object_t reply)
3456 {
3457 /* Save the response and wake up */
3458 if (xpc_get_type(reply)
3459 == XPC_TYPE_DICTIONARY)
3460 response = xpc_retain(reply);
3461
3462 dispatch_semaphore_signal(sem);
3463 });
3464
3465 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
3466 xpc_release(request);
3467 dispatch_release(sem);
3468
3469 if (response)
3470 {
3471 status = (int)xpc_dictionary_get_int64(response, "status");
3472
3473 if (status == SIGTERM || status == SIGKILL || status == SIGPIPE)
3474 {
3475 fprintf(stderr, "DEBUG: Child terminated on signal %d.\n", status);
3476 status = CUPS_BACKEND_FAILED;
3477 }
3478 else if (WIFSIGNALED(status))
3479 {
3480 fprintf(stderr, "DEBUG: Child crashed on signal %d.\n", status);
3481 status = CUPS_BACKEND_STOP;
3482 }
3483 else if (WIFEXITED(status))
3484 {
3485 status = WEXITSTATUS(status);
3486 fprintf(stderr, "DEBUG: Child exited with status %d.\n", status);
3487 }
3488
3489 xpc_release(response);
3490 }
3491 else
3492 _cupsLangPrintFilter(stderr, "ERROR",
3493 _("Unable to get backend exit status."));
3494
3495 cleanup:
3496
3497 if (conn)
3498 {
3499 xpc_connection_cancel(conn);
3500 xpc_release(conn);
3501 }
3502
3503 return (status);
3504 }
3505 #endif /* HAVE_GSSAPI && HAVE_XPC */
3506
3507
3508 /*
3509 * 'sigterm_handler()' - Handle 'terminate' signals that stop the backend.
3510 */
3511
3512 static void
3513 sigterm_handler(int sig) /* I - Signal */
3514 {
3515 (void)sig; /* remove compiler warnings... */
3516
3517 write(2, "DEBUG: Got SIGTERM.\n", 20);
3518
3519 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3520 if (child_pid)
3521 {
3522 kill(child_pid, sig);
3523 child_pid = 0;
3524 }
3525 #endif /* HAVE_GSSAPI && HAVE_XPC */
3526
3527 if (!job_canceled)
3528 {
3529 /*
3530 * Flag that the job should be canceled...
3531 */
3532
3533 write(2, "DEBUG: job_canceled = 1.\n", 25);
3534
3535 job_canceled = 1;
3536 return;
3537 }
3538
3539 /*
3540 * The scheduler already tried to cancel us once, now just terminate
3541 * after removing our temp file!
3542 */
3543
3544 if (tmpfilename[0])
3545 unlink(tmpfilename);
3546
3547 exit(1);
3548 }
3549
3550
3551 /*
3552 * 'timeout_cb()' - Handle HTTP timeouts.
3553 */
3554
3555 static int /* O - 1 to continue, 0 to cancel */
3556 timeout_cb(http_t *http, /* I - Connection to server (unused) */
3557 void *user_data) /* I - User data (unused) */
3558 {
3559 (void)http;
3560 (void)user_data;
3561
3562 return (!job_canceled);
3563 }
3564
3565
3566 /*
3567 * 'update_reasons()' - Update the printer-state-reasons values.
3568 */
3569
3570 static void
3571 update_reasons(ipp_attribute_t *attr, /* I - printer-state-reasons or NULL */
3572 const char *s) /* I - STATE: string or NULL */
3573 {
3574 char op; /* Add (+), remove (-), replace (\0) */
3575 cups_array_t *new_reasons; /* New reasons array */
3576 char *reason, /* Current reason */
3577 add[2048], /* Reasons added string */
3578 *addptr, /* Pointer into add string */
3579 rem[2048], /* Reasons removed string */
3580 *remptr; /* Pointer into remove string */
3581 const char *addprefix, /* Current add string prefix */
3582 *remprefix; /* Current remove string prefix */
3583
3584
3585 fprintf(stderr, "DEBUG: update_reasons(attr=%d(%s%s), s=\"%s\")\n",
3586 attr ? attr->num_values : 0, attr ? attr->values[0].string.text : "",
3587 attr && attr->num_values > 1 ? ",..." : "", s ? s : "(null)");
3588
3589 /*
3590 * Create an array of new reason keyword strings...
3591 */
3592
3593 if (attr)
3594 {
3595 int i; /* Looping var */
3596
3597 new_reasons = cupsArrayNew((cups_array_func_t)strcmp, NULL);
3598 op = '\0';
3599
3600 for (i = 0; i < attr->num_values; i ++)
3601 {
3602 reason = attr->values[i].string.text;
3603
3604 if (strcmp(reason, "none") &&
3605 strcmp(reason, "none-report") &&
3606 strcmp(reason, "paused") &&
3607 strncmp(reason, "spool-area-full", 15) &&
3608 strcmp(reason, "com.apple.print.recoverable-warning") &&
3609 strncmp(reason, "cups-", 5))
3610 cupsArrayAdd(new_reasons, reason);
3611 }
3612 }
3613 else if (s)
3614 {
3615 if (*s == '+' || *s == '-')
3616 op = *s++;
3617 else
3618 op = '\0';
3619
3620 new_reasons = _cupsArrayNewStrings(s, ',');
3621 }
3622 else
3623 return;
3624
3625 /*
3626 * Compute the changes...
3627 */
3628
3629 add[0] = '\0';
3630 addprefix = "STATE: +";
3631 addptr = add;
3632 rem[0] = '\0';
3633 remprefix = "STATE: -";
3634 remptr = rem;
3635
3636 fprintf(stderr, "DEBUG2: op='%c', new_reasons=%d, state_reasons=%d\n",
3637 op ? op : ' ', cupsArrayCount(new_reasons),
3638 cupsArrayCount(state_reasons));
3639
3640 _cupsMutexLock(&report_mutex);
3641
3642 if (op == '+')
3643 {
3644 /*
3645 * Add reasons...
3646 */
3647
3648 for (reason = (char *)cupsArrayFirst(new_reasons);
3649 reason;
3650 reason = (char *)cupsArrayNext(new_reasons))
3651 {
3652 if (!cupsArrayFind(state_reasons, reason))
3653 {
3654 if (!strncmp(reason, "cups-remote-", 12))
3655 {
3656 /*
3657 * If we are setting cups-remote-xxx, remove all other cups-remote-xxx
3658 * keywords...
3659 */
3660
3661 char *temp; /* Current reason in state_reasons */
3662
3663 cupsArraySave(state_reasons);
3664
3665 for (temp = (char *)cupsArrayFirst(state_reasons);
3666 temp;
3667 temp = (char *)cupsArrayNext(state_reasons))
3668 if (!strncmp(temp, "cups-remote-", 12))
3669 {
3670 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, temp);
3671 remptr += strlen(remptr);
3672 remprefix = ",";
3673
3674 cupsArrayRemove(state_reasons, temp);
3675 break;
3676 }
3677
3678 cupsArrayRestore(state_reasons);
3679 }
3680
3681 cupsArrayAdd(state_reasons, reason);
3682
3683 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason);
3684 addptr += strlen(addptr);
3685 addprefix = ",";
3686 }
3687 }
3688 }
3689 else if (op == '-')
3690 {
3691 /*
3692 * Remove reasons...
3693 */
3694
3695 for (reason = (char *)cupsArrayFirst(new_reasons);
3696 reason;
3697 reason = (char *)cupsArrayNext(new_reasons))
3698 {
3699 if (cupsArrayFind(state_reasons, reason))
3700 {
3701 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason);
3702 remptr += strlen(remptr);
3703 remprefix = ",";
3704
3705 cupsArrayRemove(state_reasons, reason);
3706 }
3707 }
3708 }
3709 else
3710 {
3711 /*
3712 * Replace reasons...
3713 */
3714
3715 for (reason = (char *)cupsArrayFirst(state_reasons);
3716 reason;
3717 reason = (char *)cupsArrayNext(state_reasons))
3718 {
3719 if (strncmp(reason, "cups-", 5) && !cupsArrayFind(new_reasons, reason))
3720 {
3721 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason);
3722 remptr += strlen(remptr);
3723 remprefix = ",";
3724
3725 cupsArrayRemove(state_reasons, reason);
3726 }
3727 }
3728
3729 for (reason = (char *)cupsArrayFirst(new_reasons);
3730 reason;
3731 reason = (char *)cupsArrayNext(new_reasons))
3732 {
3733 if (!cupsArrayFind(state_reasons, reason))
3734 {
3735 cupsArrayAdd(state_reasons, reason);
3736
3737 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason);
3738 addptr += strlen(addptr);
3739 addprefix = ",";
3740 }
3741 }
3742 }
3743
3744 _cupsMutexUnlock(&report_mutex);
3745
3746 /*
3747 * Report changes and return...
3748 */
3749
3750 if (add[0] && rem[0])
3751 fprintf(stderr, "%s\n%s\n", add, rem);
3752 else if (add[0])
3753 fprintf(stderr, "%s\n", add);
3754 else if (rem[0])
3755 fprintf(stderr, "%s\n", rem);
3756 }
3757
3758 /*
3759 * End of "$Id: ipp.c 12048 2014-07-18 14:26:14Z msweet $".
3760 */
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