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[thirdparty/cups.git] / backend / ipp.c
1 /*
2 * IPP backend for CUPS.
3 *
4 * Copyright © 2007-2019 by Apple Inc.
5 * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
6 *
7 * Licensed under Apache License v2.0. See the file "LICENSE" for more
8 * information.
9 */
10
11 /*
12 * Include necessary headers.
13 */
14
15 #include "backend-private.h"
16 #include <cups/ppd-private.h>
17 #include <cups/array-private.h>
18 #include <sys/types.h>
19 #include <sys/stat.h>
20 #include <sys/wait.h>
21 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
22 # include <xpc/xpc.h>
23 # define kPMPrintUIToolAgent "com.apple.printuitool.agent"
24 # define kPMStartJob 100
25 # define kPMWaitForJob 101
26 extern void xpc_connection_set_target_uid(xpc_connection_t connection,
27 uid_t uid);
28 #endif /* HAVE_GSSAPI && HAVE_XPC */
29
30
31 /*
32 * Bits for job-state-reasons we care about...
33 */
34
35 #define _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED 0x01
36 #define _CUPS_JSR_ACCOUNT_CLOSED 0x02
37 #define _CUPS_JSR_ACCOUNT_INFO_NEEDED 0x04
38 #define _CUPS_JSR_ACCOUNT_LIMIT_REACHED 0x08
39 #define _CUPS_JSR_JOB_PASSWORD_WAIT 0x10
40 #define _CUPS_JSR_JOB_RELEASE_WAIT 0x20
41 #define _CUPS_JSR_DOCUMENT_FORMAT_ERROR 0x40
42 #define _CUPS_JSR_DOCUMENT_UNPRINTABLE 0x80
43
44
45 /*
46 * Types...
47 */
48
49 typedef struct _cups_monitor_s /**** Monitoring data ****/
50 {
51 const char *uri, /* Printer URI */
52 *hostname, /* Hostname */
53 *user, /* Username */
54 *resource; /* Resource path */
55 int port, /* Port number */
56 version, /* IPP version */
57 job_id, /* Job ID for submitted job */
58 job_reasons, /* Job state reasons bits */
59 create_job, /* Support Create-Job? */
60 get_job_attrs; /* Support Get-Job-Attributes? */
61 const char *job_name; /* Job name for submitted job */
62 http_encryption_t encryption; /* Use encryption? */
63 ipp_jstate_t job_state; /* Current job state */
64 ipp_pstate_t printer_state; /* Current printer state */
65 int retryable; /* Is this a job that should be retried? */
66 } _cups_monitor_t;
67
68
69 /*
70 * Globals...
71 */
72
73 static const char *auth_info_required;
74 /* New auth-info-required value */
75 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
76 static pid_t child_pid = 0; /* Child process ID */
77 #endif /* HAVE_GSSAPI && HAVE_XPC */
78 static const char * const jattrs[] = /* Job attributes we want */
79 {
80 "job-id",
81 "job-impressions-completed",
82 "job-media-sheets-completed",
83 "job-name",
84 "job-originating-user-name",
85 "job-state",
86 "job-state-reasons"
87 };
88 static int job_canceled = 0,
89 /* Job cancelled? */
90 uri_credentials = 0;
91 /* Credentials supplied in URI? */
92 static char username[256] = "",
93 /* Username for device URI */
94 *password = NULL;
95 /* Password for device URI */
96 static const char * const pattrs[] = /* Printer attributes we want */
97 {
98 #ifdef HAVE_LIBZ
99 "compression-supported",
100 #endif /* HAVE_LIBZ */
101 "copies-supported",
102 "cups-version",
103 "document-format-supported",
104 "job-password-encryption-supported",
105 "marker-colors",
106 "marker-high-levels",
107 "marker-levels",
108 "marker-low-levels",
109 "marker-message",
110 "marker-names",
111 "marker-types",
112 "media-col-supported",
113 "multiple-document-handling-supported",
114 "operations-supported",
115 "print-color-mode-supported",
116 "printer-alert",
117 "printer-alert-description",
118 "printer-is-accepting-jobs",
119 "printer-mandatory-job-attributes",
120 "printer-state",
121 "printer-state-message",
122 "printer-state-reasons"
123 };
124 static const char * const remote_job_states[] =
125 { /* Remote job state keywords */
126 "+cups-remote-pending",
127 "+cups-remote-pending-held",
128 "+cups-remote-processing",
129 "+cups-remote-stopped",
130 "+cups-remote-canceled",
131 "+cups-remote-aborted",
132 "+cups-remote-completed"
133 };
134 static _cups_mutex_t report_mutex = _CUPS_MUTEX_INITIALIZER;
135 /* Mutex to control access */
136 static int num_attr_cache = 0;
137 /* Number of cached attributes */
138 static cups_option_t *attr_cache = NULL;
139 /* Cached attributes */
140 static cups_array_t *state_reasons; /* Array of printe-state-reasons keywords */
141 static char tmpfilename[1024] = "";
142 /* Temporary spool file name */
143 static char mandatory_attrs[1024] = "";
144 /* cupsMandatory value */
145
146
147 /*
148 * Local functions...
149 */
150
151 static void cancel_job(http_t *http, const char *uri, int id,
152 const char *resource, const char *user,
153 int version);
154 static ipp_pstate_t check_printer_state(http_t *http, const char *uri,
155 const char *resource,
156 const char *user, int version);
157 static void debug_attributes(ipp_t *ipp);
158 static void *monitor_printer(_cups_monitor_t *monitor);
159 static ipp_t *new_request(ipp_op_t op, int version, const char *uri,
160 const char *user, const char *title,
161 int num_options, cups_option_t *options,
162 const char *compression, int copies,
163 const char *format, _ppd_cache_t *pc,
164 ppd_file_t *ppd,
165 ipp_attribute_t *media_col_sup,
166 ipp_attribute_t *doc_handling_sup,
167 ipp_attribute_t *print_color_mode_sup);
168 static const char *password_cb(const char *prompt, http_t *http,
169 const char *method, const char *resource,
170 int *user_data);
171 static const char *quote_string(const char *s, char *q, size_t qsize);
172 static void report_attr(ipp_attribute_t *attr);
173 static void report_printer_state(ipp_t *ipp);
174 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
175 static int run_as_user(char *argv[], uid_t uid,
176 const char *device_uri, int fd);
177 #endif /* HAVE_GSSAPI && HAVE_XPC */
178 static void sigterm_handler(int sig);
179 static int timeout_cb(http_t *http, void *user_data);
180 static void update_reasons(ipp_attribute_t *attr, const char *s);
181
182
183 /*
184 * 'main()' - Send a file to the printer or server.
185 *
186 * Usage:
187 *
188 * printer-uri job-id user title copies options [file]
189 */
190
191 int /* O - Exit status */
192 main(int argc, /* I - Number of command-line args */
193 char *argv[]) /* I - Command-line arguments */
194 {
195 int i; /* Looping var */
196 int send_options; /* Send job options? */
197 int num_options; /* Number of printer options */
198 cups_option_t *options; /* Printer options */
199 const char *device_uri; /* Device URI */
200 char scheme[255], /* Scheme in URI */
201 hostname[1024], /* Hostname */
202 resource[1024], /* Resource info (printer name) */
203 addrname[256], /* Address name */
204 *optptr, /* Pointer to URI options */
205 *name, /* Name of option */
206 *value, /* Value of option */
207 sep; /* Separator character */
208 int password_tries = 0; /* Password tries */
209 http_addrlist_t *addrlist; /* Address of printer */
210 int snmp_enabled = 1; /* Is SNMP enabled? */
211 int snmp_fd, /* SNMP socket */
212 start_count, /* Page count via SNMP at start */
213 page_count, /* Page count via SNMP */
214 have_supplies; /* Printer supports supply levels? */
215 int num_files; /* Number of files to print */
216 char **files, /* Files to print */
217 *compatfile = NULL; /* Compatibility filename */
218 off_t compatsize = 0; /* Size of compatibility file */
219 int port; /* Port number (not used) */
220 char uri[HTTP_MAX_URI]; /* Updated URI without user/pass */
221 char print_job_name[1024]; /* Update job-name for Print-Job */
222 http_status_t http_status; /* Status of HTTP request */
223 ipp_status_t ipp_status; /* Status of IPP request */
224 http_t *http; /* HTTP connection */
225 ipp_t *request, /* IPP request */
226 *response, /* IPP response */
227 *supported; /* get-printer-attributes response */
228 time_t start_time; /* Time of first connect */
229 int contimeout; /* Connection timeout */
230 int delay, /* Delay for retries */
231 prev_delay; /* Previous delay */
232 const char *compression; /* Compression mode */
233 int waitjob, /* Wait for job complete? */
234 waitjob_tries = 0, /* Number of times we've waited */
235 waitprinter; /* Wait for printer ready? */
236 time_t waittime; /* Wait time for held jobs */
237 _cups_monitor_t monitor; /* Monitoring data */
238 ipp_attribute_t *job_id_attr; /* job-id attribute */
239 int job_id; /* job-id value */
240 ipp_attribute_t *job_sheets; /* job-media-sheets-completed */
241 ipp_attribute_t *job_state; /* job-state */
242 #ifdef HAVE_LIBZ
243 ipp_attribute_t *compression_sup; /* compression-supported */
244 #endif /* HAVE_LIBZ */
245 ipp_attribute_t *copies_sup; /* copies-supported */
246 ipp_attribute_t *cups_version; /* cups-version */
247 ipp_attribute_t *encryption_sup; /* job-password-encryption-supported */
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 {
356 uid_t uid = (uid_t)atoi(value);
357 /* User ID */
358
359 # ifdef HAVE_XPC
360 if (uid > 0)
361 {
362 if (argc == 6)
363 return (run_as_user(argv, uid, device_uri, 0));
364 else
365 {
366 int status = 0; /* Exit status */
367
368 for (i = 6; i < argc && !status && !job_canceled; i ++)
369 {
370 if ((fd = open(argv[i], O_RDONLY)) >= 0)
371 {
372 status = run_as_user(argv, uid, device_uri, fd);
373 close(fd);
374 }
375 else
376 {
377 _cupsLangPrintError("ERROR", _("Unable to open print file"));
378 status = CUPS_BACKEND_FAILED;
379 }
380 }
381
382 return (status);
383 }
384 }
385
386 # else /* No XPC, just try to run as the user ID */
387 if (uid > 0)
388 setuid(uid);
389 # endif /* HAVE_XPC */
390 }
391 #endif /* HAVE_GSSAPI */
392
393 /*
394 * Get the (final) content type...
395 */
396
397 if ((content_type = getenv("CONTENT_TYPE")) == NULL)
398 content_type = "application/octet-stream";
399
400 if ((final_content_type = getenv("FINAL_CONTENT_TYPE")) == NULL)
401 {
402 final_content_type = content_type;
403
404 if (!strncmp(final_content_type, "printer/", 8))
405 final_content_type = "application/vnd.cups-raw";
406 }
407
408 /*
409 * Extract the hostname and printer name from the URI...
410 */
411
412 httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme),
413 username, sizeof(username), hostname, sizeof(hostname), &port,
414 resource, sizeof(resource));
415
416 if (!port)
417 port = IPP_PORT; /* Default to port 631 */
418
419 if (!strcmp(scheme, "https") || !strcmp(scheme, "ipps"))
420 cupsSetEncryption(HTTP_ENCRYPTION_ALWAYS);
421 else
422 cupsSetEncryption(HTTP_ENCRYPTION_IF_REQUESTED);
423
424 /*
425 * See if there are any options...
426 */
427
428 compression = NULL;
429 version = 20;
430 waitjob = 1;
431 waitprinter = 1;
432 contimeout = 7 * 24 * 60 * 60;
433
434 if ((optptr = strchr(resource, '?')) != NULL)
435 {
436 /*
437 * Yup, terminate the device name string and move to the first
438 * character of the optptr...
439 */
440
441 *optptr++ = '\0';
442
443 /*
444 * Then parse the optptr...
445 */
446
447 while (*optptr)
448 {
449 /*
450 * Get the name...
451 */
452
453 name = optptr;
454
455 while (*optptr && *optptr != '=' && *optptr != '+' && *optptr != '&')
456 optptr ++;
457
458 if ((sep = *optptr) != '\0')
459 *optptr++ = '\0';
460
461 if (sep == '=')
462 {
463 /*
464 * Get the value...
465 */
466
467 value = optptr;
468
469 while (*optptr && *optptr != '+' && *optptr != '&')
470 optptr ++;
471
472 if (*optptr)
473 *optptr++ = '\0';
474 }
475 else
476 value = (char *)"";
477
478 /*
479 * Process the option...
480 */
481
482 if (!_cups_strcasecmp(name, "waitjob"))
483 {
484 /*
485 * Wait for job completion?
486 */
487
488 waitjob = !_cups_strcasecmp(value, "on") ||
489 !_cups_strcasecmp(value, "yes") ||
490 !_cups_strcasecmp(value, "true");
491 }
492 else if (!_cups_strcasecmp(name, "waitprinter"))
493 {
494 /*
495 * Wait for printer idle?
496 */
497
498 waitprinter = !_cups_strcasecmp(value, "on") ||
499 !_cups_strcasecmp(value, "yes") ||
500 !_cups_strcasecmp(value, "true");
501 }
502 else if (!_cups_strcasecmp(name, "encryption"))
503 {
504 /*
505 * Enable/disable encryption?
506 */
507
508 if (!_cups_strcasecmp(value, "always"))
509 cupsSetEncryption(HTTP_ENCRYPTION_ALWAYS);
510 else if (!_cups_strcasecmp(value, "required"))
511 cupsSetEncryption(HTTP_ENCRYPTION_REQUIRED);
512 else if (!_cups_strcasecmp(value, "never"))
513 cupsSetEncryption(HTTP_ENCRYPTION_NEVER);
514 else if (!_cups_strcasecmp(value, "ifrequested"))
515 cupsSetEncryption(HTTP_ENCRYPTION_IF_REQUESTED);
516 else
517 {
518 _cupsLangPrintFilter(stderr, "ERROR",
519 _("Unknown encryption option value: \"%s\"."),
520 value);
521 }
522 }
523 else if (!_cups_strcasecmp(name, "snmp"))
524 {
525 /*
526 * Enable/disable SNMP stuff...
527 */
528
529 snmp_enabled = !value[0] || !_cups_strcasecmp(value, "on") ||
530 !_cups_strcasecmp(value, "yes") ||
531 !_cups_strcasecmp(value, "true");
532 }
533 else if (!_cups_strcasecmp(name, "version"))
534 {
535 if (!strcmp(value, "1.0"))
536 version = 10;
537 else if (!strcmp(value, "1.1"))
538 version = 11;
539 else if (!strcmp(value, "2.0"))
540 version = 20;
541 else if (!strcmp(value, "2.1"))
542 version = 21;
543 else if (!strcmp(value, "2.2"))
544 version = 22;
545 else
546 {
547 _cupsLangPrintFilter(stderr, "ERROR",
548 _("Unknown version option value: \"%s\"."),
549 value);
550 }
551 }
552 #ifdef HAVE_LIBZ
553 else if (!_cups_strcasecmp(name, "compression"))
554 {
555 if (!_cups_strcasecmp(value, "true") || !_cups_strcasecmp(value, "yes") ||
556 !_cups_strcasecmp(value, "on") || !_cups_strcasecmp(value, "gzip"))
557 compression = "gzip";
558 else if (!_cups_strcasecmp(value, "deflate"))
559 compression = "deflate";
560 else if (!_cups_strcasecmp(value, "false") ||
561 !_cups_strcasecmp(value, "no") ||
562 !_cups_strcasecmp(value, "off") ||
563 !_cups_strcasecmp(value, "none"))
564 compression = "none";
565 }
566 #endif /* HAVE_LIBZ */
567 else if (!_cups_strcasecmp(name, "contimeout"))
568 {
569 /*
570 * Set the connection timeout...
571 */
572
573 if (atoi(value) > 0)
574 contimeout = atoi(value);
575 }
576 else
577 {
578 /*
579 * Unknown option...
580 */
581
582 _cupsLangPrintFilter(stderr, "ERROR",
583 _("Unknown option \"%s\" with value \"%s\"."),
584 name, value);
585 }
586 }
587 }
588
589 /*
590 * If we have 7 arguments, print the file named on the command-line.
591 * Otherwise, copy stdin to a temporary file and print the temporary
592 * file.
593 */
594
595 if (argc == 6)
596 {
597 num_files = 0;
598 files = NULL;
599 send_options = !_cups_strcasecmp(final_content_type, "application/pdf") ||
600 !_cups_strcasecmp(final_content_type, "application/vnd.cups-pdf") ||
601 !_cups_strncasecmp(final_content_type, "image/", 6);
602
603 fputs("DEBUG: Sending stdin for job...\n", stderr);
604 }
605 else
606 {
607 /*
608 * Point to the files on the command-line...
609 */
610
611 num_files = argc - 6;
612 files = argv + 6;
613 send_options = 1;
614
615 fprintf(stderr, "DEBUG: %d files to send in job...\n", num_files);
616 }
617
618 /*
619 * Set the authentication info, if any...
620 */
621
622 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries);
623
624 if (username[0])
625 {
626 /*
627 * Use authentication information in the device URI...
628 */
629
630 if ((password = strchr(username, ':')) != NULL)
631 *password++ = '\0';
632
633 cupsSetUser(username);
634 uri_credentials = 1;
635 }
636 else
637 {
638 /*
639 * Try loading authentication information from the environment.
640 */
641
642 const char *ptr = getenv("AUTH_USERNAME");
643
644 if (ptr)
645 {
646 strlcpy(username, ptr, sizeof(username));
647 cupsSetUser(ptr);
648 }
649
650 password = getenv("AUTH_PASSWORD");
651 }
652
653 /*
654 * Try finding the remote server...
655 */
656
657 start_time = time(NULL);
658
659 addrlist = backendLookup(hostname, port, &job_canceled);
660
661 http = httpConnect2(hostname, port, addrlist, AF_UNSPEC, cupsEncryption(), 1,
662 0, NULL);
663 httpSetTimeout(http, 30.0, timeout_cb, NULL);
664
665 /*
666 * See if the printer supports SNMP...
667 */
668
669 if (snmp_enabled)
670 snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family);
671 else
672 snmp_fd = -1;
673
674 if (snmp_fd >= 0)
675 have_supplies = !backendSNMPSupplies(snmp_fd, &(addrlist->addr),
676 &start_count, NULL);
677 else
678 have_supplies = start_count = 0;
679
680 /*
681 * Wait for data from the filter...
682 */
683
684 if (num_files == 0)
685 {
686 if (!backendWaitLoop(snmp_fd, &(addrlist->addr), 0, backendNetworkSideCB))
687 return (CUPS_BACKEND_OK);
688 else if ((bytes = read(0, buffer, sizeof(buffer))) <= 0)
689 return (CUPS_BACKEND_OK);
690 }
691
692 /*
693 * Try connecting to the remote server...
694 */
695
696 delay = _cupsNextDelay(0, &prev_delay);
697
698 do
699 {
700 fprintf(stderr, "DEBUG: Connecting to %s:%d\n", hostname, port);
701 _cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer."));
702
703 if (httpReconnect2(http, 30000, NULL))
704 {
705 int error = errno; /* Connection error */
706
707 if (http->status == HTTP_STATUS_CUPS_PKI_ERROR)
708 update_reasons(NULL, "+cups-certificate-error");
709
710 if (job_canceled)
711 break;
712
713 if (getenv("CLASS") != NULL)
714 {
715 /*
716 * If the CLASS environment variable is set, the job was submitted
717 * to a class and not to a specific queue. In this case, we want
718 * to abort immediately so that the job can be requeued on the next
719 * available printer in the class.
720 */
721
722 _cupsLangPrintFilter(stderr, "INFO",
723 _("Unable to contact printer, queuing on next "
724 "printer in class."));
725
726 /*
727 * Sleep 5 seconds to keep the job from requeuing too rapidly...
728 */
729
730 sleep(5);
731
732 update_reasons(NULL, "-connecting-to-device");
733
734 return (CUPS_BACKEND_FAILED);
735 }
736
737 fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(errno));
738
739 if (errno == ECONNREFUSED || errno == EHOSTDOWN || errno == EHOSTUNREACH || errno == ETIMEDOUT || errno == ENOTCONN)
740 {
741 if (contimeout && (time(NULL) - start_time) > contimeout)
742 {
743 _cupsLangPrintFilter(stderr, "ERROR",
744 _("The printer is not responding."));
745 update_reasons(NULL, "-connecting-to-device");
746 return (CUPS_BACKEND_FAILED);
747 }
748
749 switch (error)
750 {
751 case EHOSTDOWN :
752 _cupsLangPrintFilter(stderr, "WARNING",
753 _("The printer may not exist or "
754 "is unavailable at this time."));
755 break;
756
757 case EHOSTUNREACH :
758 default :
759 _cupsLangPrintFilter(stderr, "WARNING",
760 _("The printer is unreachable at this "
761 "time."));
762 break;
763
764 case ECONNREFUSED :
765 _cupsLangPrintFilter(stderr, "WARNING",
766 _("The printer is in use."));
767 break;
768 }
769
770 sleep((unsigned)delay);
771
772 delay = _cupsNextDelay(delay, &prev_delay);
773 }
774 else
775 {
776 _cupsLangPrintFilter(stderr, "ERROR",
777 _("The printer is not responding."));
778 sleep(30);
779 }
780
781 if (job_canceled)
782 break;
783 }
784 else
785 update_reasons(NULL, "-cups-certificate-error");
786 }
787 while (http->fd < 0);
788
789 if (job_canceled)
790 return (CUPS_BACKEND_OK);
791 else if (!http)
792 return (CUPS_BACKEND_FAILED);
793
794 if (httpIsEncrypted(http))
795 {
796 /*
797 * Validate TLS credentials...
798 */
799
800 cups_array_t *creds; /* TLS credentials */
801 cups_array_t *lcreds = NULL; /* Loaded credentials */
802 http_trust_t trust; /* Trust level */
803 char credinfo[1024], /* Information on credentials */
804 lcredinfo[1024];/* Information on saved credentials */
805 static const char * const trusts[] = { NULL, "+cups-pki-invalid", "+cups-pki-changed", "+cups-pki-expired", NULL, "+cups-pki-unknown" };
806 /* Trust keywords */
807 static const char * const trust_msgs[] =
808 {
809 "Credentials are OK/trusted",
810 "Credentials are invalid",
811 "Credentials have changed",
812 "Credentials are expired",
813 "Credentials have been renewed",
814 "Credentials are unknown/new"
815 };
816
817 fputs("DEBUG: Connection is encrypted.\n", stderr);
818
819 if (!httpCopyCredentials(http, &creds))
820 {
821 trust = httpCredentialsGetTrust(creds, hostname);
822 httpCredentialsString(creds, credinfo, sizeof(credinfo));
823
824 fprintf(stderr, "DEBUG: %s (%s)\n", trust_msgs[trust], cupsLastErrorString());
825 fprintf(stderr, "DEBUG: Printer credentials: %s\n", credinfo);
826
827 if (!httpLoadCredentials(NULL, &lcreds, hostname))
828 {
829 httpCredentialsString(lcreds, lcredinfo, sizeof(lcredinfo));
830 fprintf(stderr, "DEBUG: Stored credentials: %s\n", lcredinfo);
831 }
832 else
833 fputs("DEBUG: No stored credentials.\n", stderr);
834
835 update_reasons(NULL, "-cups-pki-invalid,cups-pki-changed,cups-pki-expired,cups-pki-unknown");
836 if (trusts[trust])
837 {
838 update_reasons(NULL, trusts[trust]);
839 return (CUPS_BACKEND_STOP);
840 }
841
842 if (!lcreds)
843 {
844 /*
845 * Could not load the credentials, let's save the ones we have so we
846 * can detect changes...
847 */
848
849 httpSaveCredentials(NULL, creds, hostname);
850 }
851
852 httpFreeCredentials(lcreds);
853 httpFreeCredentials(creds);
854 }
855 else
856 {
857 fputs("DEBUG: No printer credentials.\n", stderr);
858
859 update_reasons(NULL, "cups-pki-unknown");
860 return (CUPS_BACKEND_STOP);
861 }
862 }
863
864 update_reasons(NULL, "-connecting-to-device");
865 _cupsLangPrintFilter(stderr, "INFO", _("Connected to printer."));
866
867 fprintf(stderr, "DEBUG: Connected to %s:%d...\n",
868 httpAddrString(http->hostaddr, addrname, sizeof(addrname)),
869 httpAddrPort(http->hostaddr));
870
871 /*
872 * Build a URI for the printer and fill the standard IPP attributes for
873 * an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it
874 * might contain username:password information...
875 */
876
877 httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri), scheme, NULL, hostname,
878 port, resource);
879
880 /*
881 * First validate the destination and see if the device supports multiple
882 * copies...
883 */
884
885 #ifdef HAVE_LIBZ
886 compression_sup = NULL;
887 #endif /* HAVE_LIBZ */
888 copies_sup = NULL;
889 cups_version = NULL;
890 encryption_sup = NULL;
891 format_sup = NULL;
892 media_col_sup = NULL;
893 supported = NULL;
894 operations_sup = NULL;
895 doc_handling_sup = NULL;
896 print_color_mode_sup = NULL;
897
898 do
899 {
900 /*
901 * Check for side-channel requests...
902 */
903
904 backendCheckSideChannel(snmp_fd, http->hostaddr);
905
906 /*
907 * Build the IPP request...
908 */
909
910 request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES);
911 ippSetVersion(request, version / 10, version % 10);
912 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
913 NULL, uri);
914
915 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
916 "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
917 NULL, pattrs);
918
919 /*
920 * Do the request...
921 */
922
923 fputs("DEBUG: Getting supported attributes...\n", stderr);
924
925 if (http->version < HTTP_VERSION_1_1)
926 {
927 fprintf(stderr, "DEBUG: Printer responded with HTTP version %d.%d.\n",
928 http->version / 100, http->version % 100);
929 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
930 "cups-ipp-wrong-http-version");
931 }
932
933 supported = cupsDoRequest(http, request, resource);
934 ipp_status = cupsLastError();
935
936 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
937 ippErrorString(ipp_status), cupsLastErrorString());
938
939 if (ipp_status <= IPP_STATUS_OK_CONFLICTING)
940 password_tries = 0;
941 else
942 {
943 fprintf(stderr, "DEBUG: Get-Printer-Attributes returned %s.\n",
944 ippErrorString(ipp_status));
945
946 if (ipp_status == IPP_STATUS_ERROR_BUSY ||
947 ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE)
948 {
949 if (contimeout && (time(NULL) - start_time) > contimeout)
950 {
951 _cupsLangPrintFilter(stderr, "ERROR",
952 _("The printer is not responding."));
953 return (CUPS_BACKEND_FAILED);
954 }
955
956 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
957
958 report_printer_state(supported);
959
960 sleep((unsigned)delay);
961
962 delay = _cupsNextDelay(delay, &prev_delay);
963 }
964 else if ((ipp_status == IPP_STATUS_ERROR_BAD_REQUEST ||
965 ipp_status == IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED) && version > 10)
966 {
967 /*
968 * Switch to IPP/1.1 or IPP/1.0...
969 */
970
971 if (version >= 20)
972 {
973 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print."));
974 fprintf(stderr,
975 "DEBUG: The printer does not support IPP/%d.%d, trying "
976 "IPP/1.1.\n", version / 10, version % 10);
977 version = 11;
978 }
979 else
980 {
981 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print."));
982 fprintf(stderr,
983 "DEBUG: The printer does not support IPP/%d.%d, trying "
984 "IPP/1.0.\n", version / 10, version % 10);
985 version = 10;
986 }
987
988 httpReconnect2(http, 30000, NULL);
989 }
990 else if (ipp_status == IPP_STATUS_ERROR_NOT_FOUND)
991 {
992 _cupsLangPrintFilter(stderr, "ERROR",
993 _("The printer configuration is incorrect or the "
994 "printer no longer exists."));
995
996 ippDelete(supported);
997
998 return (CUPS_BACKEND_STOP);
999 }
1000 else if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1001 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1002 {
1003 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1004 /* WWW-Authenticate field value */
1005
1006 if (!strncmp(www_auth, "Negotiate", 9))
1007 auth_info_required = "negotiate";
1008 else if (www_auth[0])
1009 auth_info_required = "username,password";
1010
1011 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
1012 return (CUPS_BACKEND_AUTH_REQUIRED);
1013 }
1014 else if (ipp_status != IPP_STATUS_ERROR_NOT_AUTHORIZED)
1015 {
1016 _cupsLangPrintFilter(stderr, "ERROR",
1017 _("Unable to get printer status."));
1018 sleep(10);
1019
1020 httpReconnect2(http, 30000, NULL);
1021 }
1022
1023 ippDelete(supported);
1024 supported = NULL;
1025 continue;
1026 }
1027
1028 if (!getenv("CLASS"))
1029 {
1030 /*
1031 * Check printer-is-accepting-jobs = false and printer-state-reasons for the
1032 * "spool-area-full" keyword...
1033 */
1034
1035 int busy = 0;
1036
1037 if ((printer_accepting = ippFindAttribute(supported,
1038 "printer-is-accepting-jobs",
1039 IPP_TAG_BOOLEAN)) != NULL &&
1040 !printer_accepting->values[0].boolean)
1041 busy = 1;
1042 else if (!printer_accepting)
1043 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1044 "cups-ipp-missing-printer-is-accepting-jobs");
1045
1046 if ((printer_state = ippFindAttribute(supported,
1047 "printer-state-reasons",
1048 IPP_TAG_KEYWORD)) == NULL)
1049 {
1050 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1051 "cups-ipp-missing-printer-state-reasons");
1052 }
1053 else if (!busy)
1054 {
1055 for (i = 0; i < printer_state->num_values; i ++)
1056 {
1057 if (!strcmp(printer_state->values[0].string.text,
1058 "spool-area-full") ||
1059 !strncmp(printer_state->values[0].string.text, "spool-area-full-",
1060 16))
1061 {
1062 busy = 1;
1063 break;
1064 }
1065 }
1066 }
1067
1068 if (busy)
1069 {
1070 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1071
1072 report_printer_state(supported);
1073
1074 sleep((unsigned)delay);
1075
1076 delay = _cupsNextDelay(delay, &prev_delay);
1077
1078 ippDelete(supported);
1079 supported = NULL;
1080 ipp_status = IPP_STATUS_ERROR_BUSY;
1081 continue;
1082 }
1083 }
1084
1085 /*
1086 * Check for supported attributes...
1087 */
1088
1089 #ifdef HAVE_LIBZ
1090 if ((compression_sup = ippFindAttribute(supported, "compression-supported",
1091 IPP_TAG_KEYWORD)) != NULL)
1092 {
1093 /*
1094 * Check whether the requested compression is supported and/or default to
1095 * compression if supported...
1096 */
1097
1098 if (compression && !ippContainsString(compression_sup, compression))
1099 {
1100 fprintf(stderr, "DEBUG: Printer does not support the requested "
1101 "compression value \"%s\".\n", compression);
1102 compression = NULL;
1103 }
1104 else if (!compression && (!strcmp(final_content_type, "image/pwg-raster") || !strcmp(final_content_type, "image/urf")))
1105 {
1106 if (ippContainsString(compression_sup, "gzip"))
1107 compression = "gzip";
1108 else if (ippContainsString(compression_sup, "deflate"))
1109 compression = "deflate";
1110
1111 if (compression)
1112 fprintf(stderr, "DEBUG: Automatically using \"%s\" compression.\n",
1113 compression);
1114 }
1115 }
1116 #endif /* HAVE_LIBZ */
1117
1118 if ((copies_sup = ippFindAttribute(supported, "copies-supported",
1119 IPP_TAG_RANGE)) != NULL)
1120 {
1121 /*
1122 * Has the "copies-supported" attribute - does it have an upper
1123 * bound > 1?
1124 */
1125
1126 fprintf(stderr, "DEBUG: copies-supported=%d-%d\n",
1127 copies_sup->values[0].range.lower,
1128 copies_sup->values[0].range.upper);
1129
1130 if (copies_sup->values[0].range.upper <= 1)
1131 copies_sup = NULL; /* No */
1132 }
1133
1134 if ((cups_version = ippFindAttribute(supported, "cups-version", IPP_TAG_TEXT)) != NULL)
1135 {
1136 const char *val = ippGetString(cups_version, 0, NULL);
1137
1138 fprintf(stderr, "DEBUG: cups-version = \"%s\"\n", val);
1139 if (!strcmp(val, "cups-version"))
1140 cups_version = NULL; /* Bogus cups-version value returned by buggy printers! */
1141 }
1142
1143 encryption_sup = ippFindAttribute(supported, "job-password-encryption-supported", IPP_TAG_KEYWORD);
1144
1145 if ((format_sup = ippFindAttribute(supported, "document-format-supported",
1146 IPP_TAG_MIMETYPE)) != NULL)
1147 {
1148 fprintf(stderr, "DEBUG: document-format-supported (%d values)\n",
1149 format_sup->num_values);
1150 for (i = 0; i < format_sup->num_values; i ++)
1151 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
1152 format_sup->values[i].string.text);
1153 }
1154
1155 if ((media_col_sup = ippFindAttribute(supported, "media-col-supported",
1156 IPP_TAG_KEYWORD)) != NULL)
1157 {
1158 fprintf(stderr, "DEBUG: media-col-supported (%d values)\n",
1159 media_col_sup->num_values);
1160 for (i = 0; i < media_col_sup->num_values; i ++)
1161 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
1162 media_col_sup->values[i].string.text);
1163 }
1164
1165 print_color_mode_sup = ippFindAttribute(supported, "print-color-mode-supported", IPP_TAG_KEYWORD);
1166
1167 if ((operations_sup = ippFindAttribute(supported, "operations-supported",
1168 IPP_TAG_ENUM)) != NULL)
1169 {
1170 fprintf(stderr, "DEBUG: operations-supported (%d values)\n",
1171 operations_sup->num_values);
1172 for (i = 0; i < operations_sup->num_values; i ++)
1173 fprintf(stderr, "DEBUG: [%d] = %s\n", i,
1174 ippOpString(operations_sup->values[i].integer));
1175
1176 for (i = 0; i < operations_sup->num_values; i ++)
1177 if (operations_sup->values[i].integer == IPP_OP_PRINT_JOB)
1178 break;
1179
1180 if (i >= operations_sup->num_values)
1181 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1182 "cups-ipp-missing-print-job");
1183
1184 for (i = 0; i < operations_sup->num_values; i ++)
1185 if (operations_sup->values[i].integer == IPP_OP_CANCEL_JOB)
1186 break;
1187
1188 if (i >= operations_sup->num_values)
1189 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1190 "cups-ipp-missing-cancel-job");
1191
1192 for (i = 0; i < operations_sup->num_values; i ++)
1193 if (operations_sup->values[i].integer == IPP_OP_GET_JOB_ATTRIBUTES)
1194 break;
1195
1196 if (i >= operations_sup->num_values)
1197 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1198 "cups-ipp-missing-get-job-attributes");
1199
1200 for (i = 0; i < operations_sup->num_values; i ++)
1201 if (operations_sup->values[i].integer == IPP_OP_GET_PRINTER_ATTRIBUTES)
1202 break;
1203
1204 if (i >= operations_sup->num_values)
1205 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1206 "cups-ipp-missing-get-printer-attributes");
1207
1208 for (i = 0; i < operations_sup->num_values; i ++)
1209 {
1210 if (operations_sup->values[i].integer == IPP_OP_VALIDATE_JOB)
1211 validate_job = 1;
1212 else if (operations_sup->values[i].integer == IPP_OP_CREATE_JOB)
1213 create_job = 1;
1214 else if (operations_sup->values[i].integer == IPP_OP_SEND_DOCUMENT)
1215 send_document = 1;
1216 else if (operations_sup->values[i].integer == IPP_OP_GET_JOB_ATTRIBUTES)
1217 get_job_attrs = 1;
1218 }
1219
1220 if (create_job && !send_document)
1221 {
1222 fputs("DEBUG: Printer supports Create-Job but not Send-Document.\n",
1223 stderr);
1224 create_job = 0;
1225
1226 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1227 "cups-ipp-missing-send-document");
1228 }
1229
1230 if (!validate_job)
1231 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1232 "cups-ipp-missing-validate-job");
1233 }
1234 else
1235 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1236 "cups-ipp-missing-operations-supported");
1237
1238 doc_handling_sup = ippFindAttribute(supported,
1239 "multiple-document-handling-supported",
1240 IPP_TAG_KEYWORD);
1241
1242 report_printer_state(supported);
1243 }
1244 while (!job_canceled && ipp_status > IPP_STATUS_OK_CONFLICTING);
1245
1246 if (job_canceled)
1247 return (CUPS_BACKEND_OK);
1248
1249 /*
1250 * See if the printer is accepting jobs and is not stopped; if either
1251 * condition is true and we are printing to a class, requeue the job...
1252 */
1253
1254 if (getenv("CLASS") != NULL)
1255 {
1256 printer_state = ippFindAttribute(supported, "printer-state",
1257 IPP_TAG_ENUM);
1258 printer_accepting = ippFindAttribute(supported, "printer-is-accepting-jobs",
1259 IPP_TAG_BOOLEAN);
1260
1261 if (printer_state == NULL ||
1262 (printer_state->values[0].integer > IPP_PSTATE_PROCESSING &&
1263 waitprinter) ||
1264 printer_accepting == NULL ||
1265 !printer_accepting->values[0].boolean)
1266 {
1267 /*
1268 * If the CLASS environment variable is set, the job was submitted
1269 * to a class and not to a specific queue. In this case, we want
1270 * to abort immediately so that the job can be requeued on the next
1271 * available printer in the class.
1272 */
1273
1274 _cupsLangPrintFilter(stderr, "INFO",
1275 _("Unable to contact printer, queuing on next "
1276 "printer in class."));
1277
1278 ippDelete(supported);
1279 httpClose(http);
1280
1281 /*
1282 * Sleep 5 seconds to keep the job from requeuing too rapidly...
1283 */
1284
1285 sleep(5);
1286
1287 return (CUPS_BACKEND_FAILED);
1288 }
1289 }
1290
1291 /*
1292 * See if the printer supports multiple copies...
1293 */
1294
1295 copies = atoi(argv[4]);
1296
1297 if (copies_sup || argc < 7)
1298 copies_remaining = 1;
1299 else
1300 copies_remaining = copies;
1301
1302 /*
1303 * Prepare remaining printing options...
1304 */
1305
1306 options = NULL;
1307
1308 if (send_options)
1309 {
1310 num_options = cupsParseOptions(argv[5], 0, &options);
1311
1312 if (!cups_version && media_col_sup)
1313 {
1314 /*
1315 * Load the PPD file and generate PWG attribute mapping information...
1316 */
1317
1318 ppd_attr_t *mandatory; /* cupsMandatory value */
1319
1320 ppd = ppdOpenFile(getenv("PPD"));
1321 pc = _ppdCacheCreateWithPPD(ppd);
1322
1323 ppdMarkDefaults(ppd);
1324 cupsMarkOptions(ppd, num_options, options);
1325
1326 if ((mandatory = ppdFindAttr(ppd, "cupsMandatory", NULL)) != NULL)
1327 strlcpy(mandatory_attrs, mandatory->value, sizeof(mandatory_attrs));
1328 }
1329
1330 /*
1331 * Validate job-password/-encryption...
1332 */
1333
1334 if (cupsGetOption("job-password", num_options, options))
1335 {
1336 const char *keyword; /* job-password-encryption value */
1337 static const char * const hashes[] =
1338 { /* List of supported hash algorithms, in order of preference */
1339 "sha-512",
1340 "sha-384",
1341 "sha-512_256",
1342 "sha-512-224",
1343 "sha-256",
1344 "sha-224",
1345 "sha",
1346 "none"
1347 };
1348
1349 if ((keyword = cupsGetOption("job-password-encryption", num_options, options)) == NULL || !ippContainsString(encryption_sup, keyword))
1350 {
1351 /*
1352 * Either no job-password-encryption or the value isn't supported by
1353 * the printer...
1354 */
1355
1356 for (i = 0; i < (int)(sizeof(hashes) / sizeof(hashes[0])); i ++)
1357 if (ippContainsString(encryption_sup, hashes[i]))
1358 break;
1359
1360 if (i < (int)(sizeof(hashes) / sizeof(hashes[0])))
1361 num_options = cupsAddOption("job-password-encryption", hashes[i], num_options, &options);
1362 }
1363 }
1364 }
1365 else
1366 num_options = 0;
1367
1368 document_format = NULL;
1369
1370 if (format_sup != NULL)
1371 {
1372 if (ippContainsString(format_sup, final_content_type))
1373 document_format = final_content_type;
1374 else if (ippContainsString(format_sup, "application/octet-stream"))
1375 document_format = "application/octet-stream";
1376 }
1377
1378 fprintf(stderr, "DEBUG: final_content_type=\"%s\", document_format=\"%s\"\n",
1379 final_content_type, document_format ? document_format : "(null)");
1380
1381 /*
1382 * If the printer does not support HTTP/1.1 (which IPP requires), copy stdin
1383 * to a temporary file so that we can do a HTTP/1.0 submission...
1384 *
1385 * (I hate compatibility hacks!)
1386 */
1387
1388 if (http->version < HTTP_VERSION_1_1 && num_files == 0)
1389 {
1390 if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0)
1391 {
1392 perror("DEBUG: Unable to create temporary file");
1393 return (CUPS_BACKEND_FAILED);
1394 }
1395
1396 _cupsLangPrintFilter(stderr, "INFO", _("Copying print data."));
1397
1398 if ((compatsize = write(fd, buffer, (size_t)bytes)) < 0)
1399 {
1400 perror("DEBUG: Unable to write temporary file");
1401 return (CUPS_BACKEND_FAILED);
1402 }
1403
1404 if ((bytes = backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0,
1405 backendNetworkSideCB)) < 0)
1406 return (CUPS_BACKEND_FAILED);
1407
1408 compatsize += bytes;
1409
1410 close(fd);
1411
1412 compatfile = tmpfilename;
1413 files = &compatfile;
1414 num_files = 1;
1415 }
1416 else if (http->version < HTTP_VERSION_1_1 && num_files == 1)
1417 {
1418 struct stat fileinfo; /* File information */
1419
1420 if (!stat(files[0], &fileinfo))
1421 compatsize = fileinfo.st_size;
1422 }
1423
1424 /*
1425 * If the printer only claims to support IPP/1.0, or if the user specifically
1426 * included version=1.0 in the URI, then do not try to use Create-Job or
1427 * Send-Document. This is another dreaded compatibility hack, but
1428 * unfortunately there are enough broken printers out there that we need
1429 * this for now...
1430 */
1431
1432 if (version == 10)
1433 create_job = send_document = 0;
1434
1435 /*
1436 * Start monitoring the printer in the background...
1437 */
1438
1439 monitor.uri = uri;
1440 monitor.hostname = hostname;
1441 monitor.user = argv[2];
1442 monitor.resource = resource;
1443 monitor.port = port;
1444 monitor.version = version;
1445 monitor.job_id = 0;
1446 monitor.create_job = create_job;
1447 monitor.get_job_attrs = get_job_attrs;
1448 monitor.encryption = cupsEncryption();
1449 monitor.job_state = IPP_JSTATE_PENDING;
1450 monitor.printer_state = IPP_PSTATE_IDLE;
1451 monitor.retryable = argc == 6 && document_format && strcmp(document_format, "image/pwg-raster") && strcmp(document_format, "image/urf");
1452
1453 if (create_job)
1454 {
1455 monitor.job_name = argv[3];
1456 }
1457 else
1458 {
1459 snprintf(print_job_name, sizeof(print_job_name), "%s - %s", argv[1],
1460 argv[3]);
1461 monitor.job_name = print_job_name;
1462 }
1463
1464 _cupsThreadCreate((_cups_thread_func_t)monitor_printer, &monitor);
1465
1466 /*
1467 * Validate access to the printer...
1468 */
1469
1470 while (!job_canceled && validate_job)
1471 {
1472 request = new_request(IPP_OP_VALIDATE_JOB, version, uri, argv[2],
1473 monitor.job_name, num_options, options, compression,
1474 copies_sup ? copies : 1, document_format, pc, ppd,
1475 media_col_sup, doc_handling_sup, print_color_mode_sup);
1476
1477 response = cupsDoRequest(http, request, resource);
1478
1479 ipp_status = cupsLastError();
1480
1481 fprintf(stderr, "DEBUG: Validate-Job: %s (%s)\n",
1482 ippErrorString(ipp_status), cupsLastErrorString());
1483 debug_attributes(response);
1484
1485 if ((job_auth = ippFindAttribute(response, "job-authorization-uri",
1486 IPP_TAG_URI)) != NULL)
1487 num_options = cupsAddOption("job-authorization-uri",
1488 ippGetString(job_auth, 0, NULL), num_options,
1489 &options);
1490
1491 if (ipp_status == IPP_STATUS_OK_IGNORED_OR_SUBSTITUTED || ipp_status == IPP_STATUS_OK_CONFLICTING)
1492 {
1493 /*
1494 * One or more options are not supported...
1495 */
1496
1497 ipp_attribute_t *attr; /* Unsupported attribute */
1498
1499 if ((attr = ippFindAttribute(response, "sides", IPP_TAG_ZERO)) != NULL)
1500 {
1501 /*
1502 * The sides value is not supported, revert to one-sided as needed...
1503 */
1504
1505 const char *sides = cupsGetOption("sides", num_options, options);
1506
1507 if (!sides || !strncmp(sides, "two-sided-", 10))
1508 {
1509 fputs("DEBUG: Unable to do two-sided printing, setting sides to 'one-sided'.\n", stderr);
1510 num_options = cupsAddOption("sides", "one-sided", num_options, &options);
1511 }
1512 }
1513 }
1514
1515 ippDelete(response);
1516
1517 if (job_canceled)
1518 break;
1519
1520 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1521 ipp_status == IPP_STATUS_ERROR_BUSY)
1522 {
1523 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1524 sleep(10);
1525 }
1526 else if (ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED ||
1527 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
1528 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1529 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1530 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1531 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
1532 goto cleanup;
1533 else if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1534 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED ||
1535 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1536 {
1537 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1538 /* WWW-Authenticate field value */
1539
1540 if (!strncmp(www_auth, "Negotiate", 9))
1541 auth_info_required = "negotiate";
1542 else if (www_auth[0])
1543 auth_info_required = "username,password";
1544
1545 goto cleanup;
1546 }
1547 else if (ipp_status == IPP_STATUS_ERROR_OPERATION_NOT_SUPPORTED)
1548 {
1549 /*
1550 * This is all too common...
1551 */
1552
1553 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1554 "cups-ipp-missing-validate-job");
1555 break;
1556 }
1557 else if (ipp_status < IPP_STATUS_REDIRECTION_OTHER_SITE ||
1558 ipp_status == IPP_STATUS_ERROR_BAD_REQUEST)
1559 break;
1560 else if (job_auth == NULL && ipp_status > IPP_STATUS_ERROR_BAD_REQUEST)
1561 goto cleanup;
1562 }
1563
1564 /*
1565 * Then issue the print-job request...
1566 */
1567
1568 job_id = 0;
1569
1570 while (!job_canceled && copies_remaining > 0)
1571 {
1572 /*
1573 * Check for side-channel requests...
1574 */
1575
1576 backendCheckSideChannel(snmp_fd, http->hostaddr);
1577
1578 /*
1579 * Build the IPP job creation request...
1580 */
1581
1582 if (job_canceled)
1583 break;
1584
1585 request = new_request((num_files > 1 || create_job) ? IPP_OP_CREATE_JOB :
1586 IPP_OP_PRINT_JOB,
1587 version, uri, argv[2], monitor.job_name, num_options,
1588 options, compression, copies_sup ? copies : 1,
1589 document_format, pc, ppd, media_col_sup,
1590 doc_handling_sup, print_color_mode_sup);
1591
1592 /*
1593 * Do the request...
1594 */
1595
1596 if (num_files > 1 || create_job)
1597 response = cupsDoRequest(http, request, resource);
1598 else
1599 {
1600 size_t length = 0; /* Length of request */
1601
1602 if (compatsize > 0)
1603 {
1604 fputs("DEBUG: Sending file using HTTP/1.0 Content-Length...\n", stderr);
1605 length = ippLength(request) + (size_t)compatsize;
1606 }
1607 else
1608 fputs("DEBUG: Sending file using HTTP/1.1 chunking...\n", stderr);
1609
1610 http_status = cupsSendRequest(http, request, resource, length);
1611 if (http_status == HTTP_STATUS_CONTINUE && request->state == IPP_STATE_DATA)
1612 {
1613 if (compression && strcmp(compression, "none"))
1614 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression);
1615
1616 if (num_files == 1)
1617 {
1618 if ((fd = open(files[0], O_RDONLY)) < 0)
1619 {
1620 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1621 return (CUPS_BACKEND_FAILED);
1622 }
1623 }
1624 else
1625 {
1626 fd = 0;
1627 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes);
1628 }
1629
1630 while (http_status == HTTP_STATUS_CONTINUE &&
1631 (!job_canceled || compatsize > 0))
1632 {
1633 /*
1634 * Check for side-channel requests and more print data...
1635 */
1636
1637 FD_ZERO(&input);
1638 FD_SET(fd, &input);
1639 FD_SET(snmp_fd, &input);
1640 FD_SET(CUPS_SC_FD, &input);
1641
1642 while (select(fd > snmp_fd ? fd + 1 : snmp_fd + 1, &input, NULL, NULL,
1643 NULL) <= 0 && !job_canceled);
1644
1645 if (FD_ISSET(snmp_fd, &input))
1646 backendCheckSideChannel(snmp_fd, http->hostaddr);
1647
1648 if (FD_ISSET(fd, &input))
1649 {
1650 if ((bytes = read(fd, buffer, sizeof(buffer))) > 0)
1651 {
1652 fprintf(stderr, "DEBUG: Read %d bytes...\n", (int)bytes);
1653
1654 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes))
1655 != HTTP_STATUS_CONTINUE)
1656 break;
1657 }
1658 else if (bytes == 0 || (errno != EINTR && errno != EAGAIN))
1659 break;
1660 }
1661 }
1662
1663 if (http_status == HTTP_STATUS_ERROR)
1664 fprintf(stderr, "DEBUG: Error writing document data for "
1665 "Print-Job: %s\n", strerror(httpError(http)));
1666
1667 if (num_files == 1)
1668 close(fd);
1669 }
1670
1671 response = cupsGetResponse(http, resource);
1672 ippDelete(request);
1673 }
1674
1675 ipp_status = cupsLastError();
1676
1677 fprintf(stderr, "DEBUG: %s: %s (%s)\n",
1678 (num_files > 1 || create_job) ? "Create-Job" : "Print-Job",
1679 ippErrorString(ipp_status), cupsLastErrorString());
1680 debug_attributes(response);
1681
1682 if (ipp_status > IPP_STATUS_OK_CONFLICTING)
1683 {
1684 job_id = 0;
1685
1686 if (job_canceled)
1687 break;
1688
1689 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1690 ipp_status == IPP_STATUS_ERROR_NOT_POSSIBLE ||
1691 ipp_status == IPP_STATUS_ERROR_BUSY)
1692 {
1693 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1694 sleep(10);
1695
1696 if (num_files == 0)
1697 {
1698 /*
1699 * We can't re-submit when we have no files to print, so exit
1700 * immediately with the right status code...
1701 */
1702
1703 goto cleanup;
1704 }
1705 }
1706 else if (ipp_status == IPP_STATUS_ERROR_JOB_CANCELED ||
1707 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED ||
1708 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
1709 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1710 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1711 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1712 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
1713 goto cleanup;
1714 else
1715 {
1716 /*
1717 * Update auth-info-required as needed...
1718 */
1719
1720 _cupsLangPrintFilter(stderr, "ERROR",
1721 _("Print job was not accepted."));
1722
1723 if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1724 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1725 {
1726 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1727 /* WWW-Authenticate field value */
1728
1729 if (!strncmp(www_auth, "Negotiate", 9))
1730 auth_info_required = "negotiate";
1731 else if (www_auth[0])
1732 auth_info_required = "username,password";
1733 }
1734 else if (ipp_status == IPP_STATUS_ERROR_REQUEST_VALUE)
1735 {
1736 /*
1737 * Print file is too large, abort this job...
1738 */
1739
1740 goto cleanup;
1741 }
1742 else
1743 sleep(10);
1744
1745 if (num_files == 0)
1746 {
1747 /*
1748 * We can't re-submit when we have no files to print, so exit
1749 * immediately with the right status code...
1750 */
1751
1752 goto cleanup;
1753 }
1754 }
1755 }
1756 else if ((job_id_attr = ippFindAttribute(response, "job-id",
1757 IPP_TAG_INTEGER)) == NULL)
1758 {
1759 fputs("DEBUG: Print job accepted - job ID unknown.\n", stderr);
1760 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1761 "cups-ipp-missing-job-id");
1762 job_id = 0;
1763 }
1764 else
1765 {
1766 password_tries = 0;
1767 monitor.job_id = job_id = job_id_attr->values[0].integer;
1768 fprintf(stderr, "DEBUG: Print job accepted - job ID %d.\n", job_id);
1769 }
1770
1771 ippDelete(response);
1772
1773 if (job_canceled)
1774 break;
1775
1776 if (job_id && (num_files > 1 || create_job))
1777 {
1778 for (i = 0; num_files == 0 || i < num_files; i ++)
1779 {
1780 /*
1781 * Check for side-channel requests...
1782 */
1783
1784 backendCheckSideChannel(snmp_fd, http->hostaddr);
1785
1786 /*
1787 * Send the next file in the job...
1788 */
1789
1790 request = ippNewRequest(IPP_OP_SEND_DOCUMENT);
1791 ippSetVersion(request, version / 10, version % 10);
1792
1793 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
1794 NULL, uri);
1795
1796 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
1797 job_id);
1798
1799 if (argv[2][0])
1800 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1801 "requesting-user-name", NULL, argv[2]);
1802
1803 ippAddBoolean(request, IPP_TAG_OPERATION, "last-document",
1804 (i + 1) >= num_files);
1805
1806 if (document_format)
1807 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
1808 "document-format", NULL, document_format);
1809
1810 if (compression)
1811 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1812 "compression", NULL, compression);
1813
1814 fprintf(stderr, "DEBUG: Sending file %d using chunking...\n", i + 1);
1815 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, ippOpString(ippGetOperation(request)), ippGetRequestId(request));
1816 debug_attributes(request);
1817
1818 http_status = cupsSendRequest(http, request, resource, 0);
1819 if (http_status == HTTP_STATUS_CONTINUE && request->state == IPP_STATE_DATA)
1820 {
1821 if (compression && strcmp(compression, "none"))
1822 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression);
1823
1824 if (num_files == 0)
1825 {
1826 fd = 0;
1827 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes);
1828 }
1829 else
1830 {
1831 if ((fd = open(files[i], O_RDONLY)) < 0)
1832 {
1833 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1834 return (CUPS_BACKEND_FAILED);
1835 }
1836 }
1837 }
1838 else
1839 fd = -1;
1840
1841 if (fd >= 0)
1842 {
1843 while (!job_canceled && http_status == HTTP_STATUS_CONTINUE &&
1844 (bytes = read(fd, buffer, sizeof(buffer))) > 0)
1845 {
1846 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes))
1847 != HTTP_STATUS_CONTINUE)
1848 break;
1849 else
1850 {
1851 /*
1852 * Check for side-channel requests...
1853 */
1854
1855 backendCheckSideChannel(snmp_fd, http->hostaddr);
1856 }
1857 }
1858
1859 if (fd > 0)
1860 close(fd);
1861 }
1862
1863 if (http_status == HTTP_STATUS_ERROR)
1864 fprintf(stderr, "DEBUG: Error writing document data for "
1865 "Send-Document: %s\n", strerror(httpError(http)));
1866
1867 response = cupsGetResponse(http, resource);
1868 ippDelete(request);
1869
1870 fprintf(stderr, "DEBUG: Send-Document: %s (%s)\n",
1871 ippErrorString(cupsLastError()), cupsLastErrorString());
1872 debug_attributes(response);
1873 ippDelete(response);
1874
1875 if (cupsLastError() > IPP_STATUS_OK_CONFLICTING && !job_canceled)
1876 {
1877 ipp_status = cupsLastError();
1878
1879 _cupsLangPrintFilter(stderr, "ERROR",
1880 _("Unable to add document to print job."));
1881 break;
1882 }
1883 else
1884 {
1885 password_tries = 0;
1886
1887 if (num_files == 0 || fd < 0)
1888 break;
1889 }
1890 }
1891 }
1892
1893 if (job_canceled)
1894 break;
1895
1896 if (ipp_status <= IPP_STATUS_OK_CONFLICTING && argc > 6)
1897 {
1898 fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1);
1899 copies_remaining --;
1900 }
1901 else if ((ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED || ipp_status == IPP_STATUS_ERROR_DOCUMENT_UNPRINTABLE) &&
1902 argc == 6 &&
1903 document_format && strcmp(document_format, "image/pwg-raster") && strcmp(document_format, "image/urf"))
1904 {
1905 /*
1906 * Need to reprocess the job as raster...
1907 */
1908
1909 fputs("JOBSTATE: cups-retry-as-raster\n", stderr);
1910 if (job_id > 0)
1911 cancel_job(http, uri, job_id, resource, argv[2], version);
1912
1913 goto cleanup;
1914 }
1915 else if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1916 ipp_status == IPP_STATUS_ERROR_NOT_POSSIBLE ||
1917 ipp_status == IPP_STATUS_ERROR_BUSY)
1918 {
1919 if (argc == 6)
1920 {
1921 /*
1922 * Need to reprocess the entire job; if we have a job ID, cancel the
1923 * job first...
1924 */
1925
1926 if (job_id > 0)
1927 cancel_job(http, uri, job_id, resource, argv[2], version);
1928
1929 goto cleanup;
1930 }
1931 continue;
1932 }
1933 else if (ipp_status == IPP_STATUS_ERROR_REQUEST_VALUE ||
1934 ipp_status == IPP_STATUS_ERROR_JOB_CANCELED ||
1935 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED ||
1936 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1937 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1938 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1939 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED ||
1940 ipp_status == IPP_STATUS_ERROR_INTERNAL)
1941 {
1942 /*
1943 * Print file is too large, job was canceled, we need new
1944 * authentication data, or we had some sort of error...
1945 */
1946
1947 goto cleanup;
1948 }
1949 else if (ipp_status == IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED)
1950 {
1951 /*
1952 * Server is configured incorrectly; the policy for Create-Job and
1953 * Send-Document has to be the same (auth or no auth, encryption or
1954 * no encryption). Force the queue to stop since printing will never
1955 * work.
1956 */
1957
1958 fputs("DEBUG: The server or printer is configured incorrectly.\n",
1959 stderr);
1960 fputs("DEBUG: The policy for Create-Job and Send-Document must have the "
1961 "same authentication and encryption requirements.\n", stderr);
1962
1963 ipp_status = IPP_STATUS_ERROR_INTERNAL;
1964
1965 if (job_id > 0)
1966 cancel_job(http, uri, job_id, resource, argv[2], version);
1967
1968 goto cleanup;
1969 }
1970 else if (ipp_status == IPP_STATUS_ERROR_NOT_FOUND)
1971 {
1972 /*
1973 * Printer does not actually implement support for Create-Job/
1974 * Send-Document, so log the conformance issue and stop the printer.
1975 */
1976
1977 fputs("DEBUG: This printer claims to support Create-Job and "
1978 "Send-Document, but those operations failed.\n", stderr);
1979 fputs("DEBUG: Add '?version=1.0' to the device URI to use legacy "
1980 "compatibility mode.\n", stderr);
1981 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1982 "cups-ipp-missing-send-document");
1983
1984 ipp_status = IPP_STATUS_ERROR_INTERNAL; /* Force queue to stop */
1985
1986 goto cleanup;
1987 }
1988 else
1989 copies_remaining --;
1990
1991 /*
1992 * Wait for the job to complete...
1993 */
1994
1995 if (!job_id || !waitjob || !get_job_attrs)
1996 continue;
1997
1998 fputs("STATE: +cups-waiting-for-job-completed\n", stderr);
1999
2000 _cupsLangPrintFilter(stderr, "INFO", _("Waiting for job to complete."));
2001
2002 for (delay = _cupsNextDelay(0, &prev_delay), waittime = time(NULL) + 30; !job_canceled;)
2003 {
2004 /*
2005 * Check for side-channel requests...
2006 */
2007
2008 backendCheckSideChannel(snmp_fd, http->hostaddr);
2009
2010 /*
2011 * Check printer state...
2012 */
2013
2014 check_printer_state(http, uri, resource, argv[2], version);
2015
2016 if (cupsLastError() <= IPP_STATUS_OK_CONFLICTING)
2017 password_tries = 0;
2018
2019 /*
2020 * Build an IPP_OP_GET_JOB_ATTRIBUTES request...
2021 */
2022
2023 request = ippNewRequest(IPP_OP_GET_JOB_ATTRIBUTES);
2024 ippSetVersion(request, version / 10, version % 10);
2025
2026 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2027 NULL, uri);
2028
2029 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
2030 job_id);
2031
2032 if (argv[2][0])
2033 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2034 "requesting-user-name", NULL, argv[2]);
2035
2036 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2037 "requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]),
2038 NULL, jattrs);
2039
2040 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, ippOpString(ippGetOperation(request)), ippGetRequestId(request));
2041 debug_attributes(request);
2042
2043 /*
2044 * Do the request...
2045 */
2046
2047 httpReconnect2(http, 30000, NULL);
2048 response = cupsDoRequest(http, request, resource);
2049 ipp_status = cupsLastError();
2050
2051 if (ipp_status == IPP_STATUS_ERROR_NOT_FOUND || ipp_status == IPP_STATUS_ERROR_NOT_POSSIBLE)
2052 {
2053 /*
2054 * Job has gone away and/or the server has no job history...
2055 */
2056
2057 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
2058 "cups-ipp-missing-job-history");
2059 ippDelete(response);
2060
2061 ipp_status = IPP_STATUS_OK;
2062 break;
2063 }
2064
2065 fprintf(stderr, "DEBUG: Get-Job-Attributes: %s (%s)\n",
2066 ippErrorString(ipp_status), cupsLastErrorString());
2067 debug_attributes(response);
2068
2069 if (ipp_status <= IPP_STATUS_OK_CONFLICTING)
2070 password_tries = 0;
2071 else
2072 {
2073 if (ipp_status != IPP_STATUS_ERROR_SERVICE_UNAVAILABLE &&
2074 ipp_status != IPP_STATUS_ERROR_BUSY)
2075 {
2076 ippDelete(response);
2077 ipp_status = IPP_STATUS_OK;
2078 break;
2079 }
2080 else if (ipp_status == IPP_STATUS_ERROR_INTERNAL)
2081 {
2082 waitjob_tries ++;
2083
2084 if (waitjob_tries > 4)
2085 {
2086 ippDelete(response);
2087 ipp_status = IPP_STATUS_OK;
2088 break;
2089 }
2090 }
2091 }
2092
2093 if (response)
2094 {
2095 if ((job_state = ippFindAttribute(response, "job-state",
2096 IPP_TAG_ENUM)) != NULL)
2097 {
2098 /*
2099 * Reflect the remote job state in the local queue...
2100 */
2101
2102 if (cups_version &&
2103 job_state->values[0].integer >= IPP_JSTATE_PENDING &&
2104 job_state->values[0].integer <= IPP_JSTATE_COMPLETED)
2105 update_reasons(NULL,
2106 remote_job_states[job_state->values[0].integer -
2107 IPP_JSTATE_PENDING]);
2108
2109 if ((job_sheets = ippFindAttribute(response, "job-impressions-completed", IPP_TAG_INTEGER)) == NULL)
2110 job_sheets = ippFindAttribute(response, "job-media-sheets-completed", IPP_TAG_INTEGER);
2111
2112 if (job_sheets)
2113 fprintf(stderr, "PAGE: total %d\n",
2114 job_sheets->values[0].integer);
2115
2116 /*
2117 * Stop polling if the job is finished or pending-held for 30 seconds...
2118 */
2119
2120 if (job_state->values[0].integer > IPP_JSTATE_STOPPED ||
2121 (job_state->values[0].integer == IPP_JSTATE_HELD && time(NULL) > waittime))
2122 {
2123 ippDelete(response);
2124 break;
2125 }
2126 }
2127 else if (ipp_status != IPP_STATUS_ERROR_SERVICE_UNAVAILABLE &&
2128 ipp_status != IPP_STATUS_ERROR_NOT_POSSIBLE &&
2129 ipp_status != IPP_STATUS_ERROR_BUSY)
2130 {
2131 /*
2132 * If the printer does not return a job-state attribute, it does not
2133 * conform to the IPP specification - break out immediately and fail
2134 * the job...
2135 */
2136
2137 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
2138 "cups-ipp-missing-job-state");
2139 ipp_status = IPP_STATUS_ERROR_INTERNAL;
2140 break;
2141 }
2142 }
2143
2144 ippDelete(response);
2145
2146 /*
2147 * Wait before polling again...
2148 */
2149
2150 sleep((unsigned)delay);
2151
2152 delay = _cupsNextDelay(delay, &prev_delay);
2153 }
2154 }
2155
2156 /*
2157 * Cancel the job as needed...
2158 */
2159
2160 if (job_canceled > 0 && job_id > 0)
2161 {
2162 cancel_job(http, uri, job_id, resource, argv[2], version);
2163
2164 if (cupsLastError() > IPP_STATUS_OK_CONFLICTING)
2165 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
2166 }
2167
2168 /*
2169 * Check the printer state and report it if necessary...
2170 */
2171
2172 check_printer_state(http, uri, resource, argv[2], version);
2173
2174 if (cupsLastError() <= IPP_STATUS_OK_CONFLICTING)
2175 password_tries = 0;
2176
2177 /*
2178 * Collect the final page count as needed...
2179 */
2180
2181 if (have_supplies &&
2182 !backendSNMPSupplies(snmp_fd, &(http->addrlist->addr), &page_count,
2183 NULL) &&
2184 page_count > start_count)
2185 fprintf(stderr, "PAGE: total %d\n", page_count - start_count);
2186
2187 #ifdef HAVE_GSSAPI
2188 /*
2189 * See if we used Kerberos at all...
2190 */
2191
2192 if (http->gssctx)
2193 auth_info_required = "negotiate";
2194 #endif /* HAVE_GSSAPI */
2195
2196 /*
2197 * Free memory...
2198 */
2199
2200 cleanup:
2201
2202 cupsFreeOptions(num_options, options);
2203 _ppdCacheDestroy(pc);
2204 ppdClose(ppd);
2205
2206 httpClose(http);
2207
2208 ippDelete(supported);
2209
2210 /*
2211 * Remove the temporary file(s) if necessary...
2212 */
2213
2214 if (tmpfilename[0])
2215 unlink(tmpfilename);
2216
2217 /*
2218 * Return the queue status...
2219 */
2220
2221 if (ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED || ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
2222 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED ||
2223 ipp_status <= IPP_STATUS_OK_CONFLICTING)
2224 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
2225
2226 if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED)
2227 fputs("JOBSTATE: account-info-needed\n", stderr);
2228 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED)
2229 fputs("JOBSTATE: account-closed\n", stderr);
2230 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED)
2231 fputs("JOBSTATE: account-limit-reached\n", stderr);
2232 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
2233 fputs("JOBSTATE: account-authorization-failed\n", stderr);
2234
2235 if (job_canceled)
2236 return (CUPS_BACKEND_OK);
2237 else if (ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED || ipp_status == IPP_STATUS_ERROR_FORBIDDEN || ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
2238 return (CUPS_BACKEND_AUTH_REQUIRED);
2239 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
2240 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
2241 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
2242 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
2243 return (CUPS_BACKEND_HOLD);
2244 else if (ipp_status == IPP_STATUS_ERROR_INTERNAL)
2245 return (CUPS_BACKEND_STOP);
2246 else if (ipp_status == IPP_STATUS_ERROR_CONFLICTING || ipp_status == IPP_STATUS_ERROR_REQUEST_ENTITY || ipp_status == IPP_STATUS_ERROR_REQUEST_VALUE)
2247 return (CUPS_BACKEND_FAILED);
2248 else if (ipp_status == IPP_STATUS_ERROR_REQUEST_VALUE ||
2249 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
2250 ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED || job_canceled < 0)
2251 {
2252 if (ipp_status == IPP_STATUS_ERROR_REQUEST_VALUE)
2253 _cupsLangPrintFilter(stderr, "ERROR", _("Print job too large."));
2254 else if (ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED)
2255 _cupsLangPrintFilter(stderr, "ERROR",
2256 _("Printer cannot print supplied content."));
2257 else if (ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES)
2258 _cupsLangPrintFilter(stderr, "ERROR",
2259 _("Printer cannot print with supplied options."));
2260 else
2261 _cupsLangPrintFilter(stderr, "ERROR", _("Print job canceled at printer."));
2262
2263 return (CUPS_BACKEND_CANCEL);
2264 }
2265 else if (ipp_status > IPP_STATUS_OK_CONFLICTING && ipp_status != IPP_STATUS_ERROR_JOB_CANCELED)
2266 return (CUPS_BACKEND_RETRY_CURRENT);
2267 else
2268 return (CUPS_BACKEND_OK);
2269 }
2270
2271
2272 /*
2273 * 'cancel_job()' - Cancel a print job.
2274 */
2275
2276 static void
2277 cancel_job(http_t *http, /* I - HTTP connection */
2278 const char *uri, /* I - printer-uri */
2279 int id, /* I - job-id */
2280 const char *resource, /* I - Resource path */
2281 const char *user, /* I - requesting-user-name */
2282 int version) /* I - IPP version */
2283 {
2284 ipp_t *request; /* Cancel-Job request */
2285
2286
2287 _cupsLangPrintFilter(stderr, "INFO", _("Canceling print job."));
2288
2289 request = ippNewRequest(IPP_OP_CANCEL_JOB);
2290 ippSetVersion(request, version / 10, version % 10);
2291
2292 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2293 NULL, uri);
2294 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", id);
2295
2296 if (user && user[0])
2297 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2298 "requesting-user-name", NULL, user);
2299
2300 /*
2301 * Do the request...
2302 */
2303
2304 ippDelete(cupsDoRequest(http, request, resource));
2305 }
2306
2307
2308 /*
2309 * 'check_printer_state()' - Check the printer state.
2310 */
2311
2312 static ipp_pstate_t /* O - Current printer-state */
2313 check_printer_state(
2314 http_t *http, /* I - HTTP connection */
2315 const char *uri, /* I - Printer URI */
2316 const char *resource, /* I - Resource path */
2317 const char *user, /* I - Username, if any */
2318 int version) /* I - IPP version */
2319 {
2320 ipp_t *request, /* IPP request */
2321 *response; /* IPP response */
2322 ipp_attribute_t *attr; /* Attribute in response */
2323 ipp_pstate_t printer_state = IPP_PSTATE_STOPPED;
2324 /* Current printer-state */
2325
2326
2327 /*
2328 * Send a Get-Printer-Attributes request and log the results...
2329 */
2330
2331 request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES);
2332 ippSetVersion(request, version / 10, version % 10);
2333
2334 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2335 NULL, uri);
2336
2337 if (user && user[0])
2338 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2339 "requesting-user-name", NULL, user);
2340
2341 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2342 "requested-attributes",
2343 (int)(sizeof(pattrs) / sizeof(pattrs[0])), NULL, pattrs);
2344
2345 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, ippOpString(ippGetOperation(request)), ippGetRequestId(request));
2346 debug_attributes(request);
2347
2348 if ((response = cupsDoRequest(http, request, resource)) != NULL)
2349 {
2350 report_printer_state(response);
2351
2352 if ((attr = ippFindAttribute(response, "printer-state",
2353 IPP_TAG_ENUM)) != NULL)
2354 printer_state = (ipp_pstate_t)attr->values[0].integer;
2355 }
2356
2357 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
2358 ippErrorString(cupsLastError()), cupsLastErrorString());
2359 debug_attributes(response);
2360 ippDelete(response);
2361
2362 /*
2363 * Return the printer-state value...
2364 */
2365
2366 return (printer_state);
2367 }
2368
2369
2370 /*
2371 * 'debug_attributes()' - Print out the request or response attributes as DEBUG
2372 * messages...
2373 */
2374
2375 static void
2376 debug_attributes(ipp_t *ipp) /* I - Request or response message */
2377 {
2378 ipp_tag_t group; /* Current group */
2379 ipp_attribute_t *attr; /* Current attribute */
2380 char buffer[1024]; /* Value buffer */
2381
2382
2383 for (group = IPP_TAG_ZERO, attr = ippFirstAttribute(ipp);
2384 attr;
2385 attr = ippNextAttribute(ipp))
2386 {
2387 const char *name = ippGetName(attr);
2388
2389 if (!name)
2390 {
2391 group = IPP_TAG_ZERO;
2392 continue;
2393 }
2394
2395 if (group != ippGetGroupTag(attr))
2396 {
2397 group = ippGetGroupTag(attr);
2398 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(group));
2399 }
2400
2401 if (!strcmp(name, "job-password"))
2402 strlcpy(buffer, "---", sizeof(buffer));
2403 else
2404 ippAttributeString(attr, buffer, sizeof(buffer));
2405
2406 fprintf(stderr, "DEBUG: %s %s%s %s\n", name,
2407 ippGetCount(attr) > 1 ? "1setOf " : "",
2408 ippTagString(ippGetValueTag(attr)), buffer);
2409 }
2410
2411 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(IPP_TAG_END));
2412 }
2413
2414
2415 /*
2416 * 'monitor_printer()' - Monitor the printer state.
2417 */
2418
2419 static void * /* O - Thread exit code */
2420 monitor_printer(
2421 _cups_monitor_t *monitor) /* I - Monitoring data */
2422 {
2423 http_t *http; /* Connection to printer */
2424 ipp_t *request, /* IPP request */
2425 *response; /* IPP response */
2426 ipp_attribute_t *attr; /* Attribute in response */
2427 int delay, /* Current delay */
2428 prev_delay; /* Previous delay */
2429 ipp_op_t job_op; /* Operation to use */
2430 int job_id; /* Job ID */
2431 const char *job_name; /* Job name */
2432 ipp_jstate_t job_state; /* Job state */
2433 const char *job_user; /* Job originating user name */
2434 int password_tries = 0; /* Password tries */
2435
2436
2437 /*
2438 * Make a copy of the printer connection...
2439 */
2440
2441 http = httpConnect2(monitor->hostname, monitor->port, NULL, AF_UNSPEC,
2442 monitor->encryption, 1, 0, NULL);
2443 httpSetTimeout(http, 30.0, timeout_cb, NULL);
2444 if (username[0])
2445 cupsSetUser(username);
2446
2447 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries);
2448
2449 /*
2450 * Loop until the job is canceled, aborted, or completed.
2451 */
2452
2453 delay = _cupsNextDelay(0, &prev_delay);
2454
2455 monitor->job_reasons = 0;
2456
2457 while (monitor->job_state < IPP_JSTATE_CANCELED && !job_canceled)
2458 {
2459 /*
2460 * Reconnect to the printer as needed...
2461 */
2462
2463 if (httpGetFd(http) < 0)
2464 httpReconnect2(http, 30000, NULL);
2465
2466 if (httpGetFd(http) >= 0)
2467 {
2468 /*
2469 * Connected, so check on the printer state...
2470 */
2471
2472 monitor->printer_state = check_printer_state(http, monitor->uri,
2473 monitor->resource,
2474 monitor->user,
2475 monitor->version);
2476 if (cupsLastError() <= IPP_STATUS_OK_CONFLICTING)
2477 password_tries = 0;
2478
2479 if (monitor->job_id == 0 && monitor->create_job)
2480 {
2481 /*
2482 * No job-id yet, so continue...
2483 */
2484
2485 goto monitor_sleep;
2486 }
2487
2488 /*
2489 * Check the status of the job itself...
2490 */
2491
2492 job_op = (monitor->job_id > 0 && monitor->get_job_attrs) ?
2493 IPP_OP_GET_JOB_ATTRIBUTES : IPP_OP_GET_JOBS;
2494 request = ippNewRequest(job_op);
2495 ippSetVersion(request, monitor->version / 10, monitor->version % 10);
2496
2497 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2498 NULL, monitor->uri);
2499 if (job_op == IPP_OP_GET_JOB_ATTRIBUTES)
2500 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
2501 monitor->job_id);
2502
2503 if (monitor->user && monitor->user[0])
2504 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2505 "requesting-user-name", NULL, monitor->user);
2506
2507 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2508 "requested-attributes",
2509 (int)(sizeof(jattrs) / sizeof(jattrs[0])), NULL, jattrs);
2510
2511 /*
2512 * Do the request...
2513 */
2514
2515 response = cupsDoRequest(http, request, monitor->resource);
2516
2517 fprintf(stderr, "DEBUG: (monitor) %s: %s (%s)\n", ippOpString(job_op),
2518 ippErrorString(cupsLastError()), cupsLastErrorString());
2519
2520 if (cupsLastError() <= IPP_STATUS_OK_CONFLICTING)
2521 password_tries = 0;
2522
2523 if (job_op == IPP_OP_GET_JOB_ATTRIBUTES)
2524 {
2525 if ((attr = ippFindAttribute(response, "job-state",
2526 IPP_TAG_ENUM)) != NULL)
2527 monitor->job_state = (ipp_jstate_t)attr->values[0].integer;
2528 else
2529 monitor->job_state = IPP_JSTATE_COMPLETED;
2530 }
2531 else if (response)
2532 {
2533 for (attr = response->attrs; attr; attr = attr->next)
2534 {
2535 job_id = 0;
2536 job_name = NULL;
2537 job_state = IPP_JSTATE_PENDING;
2538 job_user = NULL;
2539
2540 while (attr && attr->group_tag != IPP_TAG_JOB)
2541 attr = attr->next;
2542
2543 if (!attr)
2544 break;
2545
2546 while (attr && attr->group_tag == IPP_TAG_JOB)
2547 {
2548 if (!strcmp(attr->name, "job-id") &&
2549 attr->value_tag == IPP_TAG_INTEGER)
2550 job_id = attr->values[0].integer;
2551 else if (!strcmp(attr->name, "job-name") &&
2552 (attr->value_tag == IPP_TAG_NAME ||
2553 attr->value_tag == IPP_TAG_NAMELANG))
2554 job_name = attr->values[0].string.text;
2555 else if (!strcmp(attr->name, "job-state") &&
2556 attr->value_tag == IPP_TAG_ENUM)
2557 job_state = (ipp_jstate_t)attr->values[0].integer;
2558 else if (!strcmp(attr->name, "job-originating-user-name") &&
2559 (attr->value_tag == IPP_TAG_NAME ||
2560 attr->value_tag == IPP_TAG_NAMELANG))
2561 job_user = attr->values[0].string.text;
2562
2563 attr = attr->next;
2564 }
2565
2566 if (job_id > 0 && job_name && !strcmp(job_name, monitor->job_name) &&
2567 job_user && monitor->user && !strcmp(job_user, monitor->user))
2568 {
2569 monitor->job_id = job_id;
2570 monitor->job_state = job_state;
2571 break;
2572 }
2573
2574 if (!attr)
2575 break;
2576 }
2577 }
2578
2579 fprintf(stderr, "DEBUG: (monitor) job-state = %s\n", ippEnumString("job-state", (int)monitor->job_state));
2580
2581 if (!job_canceled &&
2582 (monitor->job_state == IPP_JSTATE_CANCELED ||
2583 monitor->job_state == IPP_JSTATE_ABORTED))
2584 {
2585 job_canceled = -1;
2586 fprintf(stderr, "DEBUG: (monitor) job_canceled = -1\n");
2587 }
2588
2589 if ((attr = ippFindAttribute(response, "job-state-reasons",
2590 IPP_TAG_KEYWORD)) != NULL)
2591 {
2592 int i, new_reasons = 0; /* Looping var, new reasons */
2593
2594 for (i = 0; i < attr->num_values; i ++)
2595 {
2596 if (!strcmp(attr->values[i].string.text, "account-authorization-failed"))
2597 new_reasons |= _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED;
2598 else if (!strcmp(attr->values[i].string.text, "account-closed"))
2599 new_reasons |= _CUPS_JSR_ACCOUNT_CLOSED;
2600 else if (!strcmp(attr->values[i].string.text, "account-info-needed"))
2601 new_reasons |= _CUPS_JSR_ACCOUNT_INFO_NEEDED;
2602 else if (!strcmp(attr->values[i].string.text, "account-limit-reached"))
2603 new_reasons |= _CUPS_JSR_ACCOUNT_LIMIT_REACHED;
2604 else if (!strcmp(attr->values[i].string.text, "job-password-wait"))
2605 new_reasons |= _CUPS_JSR_JOB_PASSWORD_WAIT;
2606 else if (!strcmp(attr->values[i].string.text, "job-release-wait"))
2607 new_reasons |= _CUPS_JSR_JOB_RELEASE_WAIT;
2608 else if (!strcmp(attr->values[i].string.text, "document-format-error"))
2609 new_reasons |= _CUPS_JSR_DOCUMENT_FORMAT_ERROR;
2610 else if (!strcmp(attr->values[i].string.text, "document-unprintable"))
2611 new_reasons |= _CUPS_JSR_DOCUMENT_UNPRINTABLE;
2612
2613 if (!job_canceled && (!strncmp(attr->values[i].string.text, "job-canceled-", 13) || !strcmp(attr->values[i].string.text, "aborted-by-system")))
2614 job_canceled = 1;
2615 }
2616
2617 if (new_reasons != monitor->job_reasons)
2618 {
2619 if (new_reasons & _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED)
2620 fputs("JOBSTATE: account-authorization-failed\n", stderr);
2621 else if (new_reasons & _CUPS_JSR_ACCOUNT_CLOSED)
2622 fputs("JOBSTATE: account-closed\n", stderr);
2623 else if (new_reasons & _CUPS_JSR_ACCOUNT_INFO_NEEDED)
2624 fputs("JOBSTATE: account-info-needed\n", stderr);
2625 else if (new_reasons & _CUPS_JSR_ACCOUNT_LIMIT_REACHED)
2626 fputs("JOBSTATE: account-limit-reached\n", stderr);
2627 else if (new_reasons & _CUPS_JSR_JOB_PASSWORD_WAIT)
2628 fputs("JOBSTATE: job-password-wait\n", stderr);
2629 else if (new_reasons & _CUPS_JSR_JOB_RELEASE_WAIT)
2630 fputs("JOBSTATE: job-release-wait\n", stderr);
2631 else if (new_reasons & (_CUPS_JSR_DOCUMENT_FORMAT_ERROR | _CUPS_JSR_DOCUMENT_UNPRINTABLE))
2632 {
2633 if (monitor->retryable)
2634 {
2635 /*
2636 * Can't print this, so retry as raster...
2637 */
2638
2639 job_canceled = 1;
2640 fputs("JOBSTATE: cups-retry-as-raster\n", stderr);
2641 }
2642 else if (new_reasons & _CUPS_JSR_DOCUMENT_FORMAT_ERROR)
2643 {
2644 fputs("JOBSTATE: document-format-error\n", stderr);
2645 }
2646 else
2647 {
2648 fputs("JOBSTATE: document-unprintable\n", stderr);
2649 }
2650 }
2651 else
2652 fputs("JOBSTATE: job-printing\n", stderr);
2653
2654 monitor->job_reasons = new_reasons;
2655 }
2656 }
2657
2658 ippDelete(response);
2659
2660 fprintf(stderr, "DEBUG: (monitor) job-state = %s\n", ippEnumString("job-state", (int)monitor->job_state));
2661
2662 if (!job_canceled &&
2663 (monitor->job_state == IPP_JSTATE_CANCELED ||
2664 monitor->job_state == IPP_JSTATE_ABORTED))
2665 job_canceled = -1;
2666 }
2667
2668 /*
2669 * Sleep for N seconds...
2670 */
2671
2672 monitor_sleep:
2673
2674 sleep((unsigned)delay);
2675
2676 delay = _cupsNextDelay(delay, &prev_delay);
2677 }
2678
2679 /*
2680 * Cancel the job if necessary...
2681 */
2682
2683 if (job_canceled > 0 && monitor->job_id > 0)
2684 {
2685 if (httpGetFd(http) < 0)
2686 httpReconnect2(http, 30000, NULL);
2687
2688 if (httpGetFd(http) >= 0)
2689 {
2690 cancel_job(http, monitor->uri, monitor->job_id, monitor->resource,
2691 monitor->user, monitor->version);
2692
2693 if (cupsLastError() > IPP_STATUS_OK_CONFLICTING)
2694 {
2695 fprintf(stderr, "DEBUG: (monitor) cancel_job() = %s\n", cupsLastErrorString());
2696 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
2697 }
2698 }
2699 }
2700
2701 /*
2702 * Cleanup and return...
2703 */
2704
2705 httpClose(http);
2706
2707 return (NULL);
2708 }
2709
2710
2711 /*
2712 * 'new_request()' - Create a new print creation or validation request.
2713 */
2714
2715 static ipp_t * /* O - Request data */
2716 new_request(
2717 ipp_op_t op, /* I - IPP operation code */
2718 int version, /* I - IPP version number */
2719 const char *uri, /* I - printer-uri value */
2720 const char *user, /* I - requesting-user-name value */
2721 const char *title, /* I - job-name value */
2722 int num_options, /* I - Number of options to send */
2723 cups_option_t *options, /* I - Options to send */
2724 const char *compression, /* I - compression value or NULL */
2725 int copies, /* I - copies value or 0 */
2726 const char *format, /* I - document-format value or NULL */
2727 _ppd_cache_t *pc, /* I - PPD cache and mapping data */
2728 ppd_file_t *ppd, /* I - PPD file data */
2729 ipp_attribute_t *media_col_sup, /* I - media-col-supported values */
2730 ipp_attribute_t *doc_handling_sup, /* I - multiple-document-handling-supported values */
2731 ipp_attribute_t *print_color_mode_sup)
2732 /* I - Printer supports print-color-mode */
2733 {
2734 ipp_t *request; /* Request data */
2735 const char *keyword; /* PWG keyword */
2736
2737
2738 /*
2739 * Create the IPP request...
2740 */
2741
2742 request = ippNewRequest(op);
2743 ippSetVersion(request, version / 10, version % 10);
2744
2745 fprintf(stderr, "DEBUG: %s IPP/%d.%d\n",
2746 ippOpString(request->request.op.operation_id),
2747 request->request.op.version[0],
2748 request->request.op.version[1]);
2749
2750 /*
2751 * Add standard attributes...
2752 */
2753
2754 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
2755 fprintf(stderr, "DEBUG: printer-uri=\"%s\"\n", uri);
2756
2757 if (user && *user)
2758 {
2759 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, user);
2760 fprintf(stderr, "DEBUG: requesting-user-name=\"%s\"\n", user);
2761 }
2762
2763 if (title && *title)
2764 {
2765 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, title);
2766 fprintf(stderr, "DEBUG: job-name=\"%s\"\n", title);
2767 }
2768
2769 if (format && op != IPP_OP_CREATE_JOB)
2770 {
2771 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format", NULL, format);
2772 fprintf(stderr, "DEBUG: document-format=\"%s\"\n", format);
2773 }
2774
2775 #ifdef HAVE_LIBZ
2776 if (compression && op != IPP_OP_CREATE_JOB && op != IPP_OP_VALIDATE_JOB)
2777 {
2778 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "compression", NULL, compression);
2779 fprintf(stderr, "DEBUG: compression=\"%s\"\n", compression);
2780 }
2781 #endif /* HAVE_LIBZ */
2782
2783 /*
2784 * Handle options on the command-line...
2785 */
2786
2787 if (num_options > 0)
2788 {
2789 if (pc)
2790 {
2791 /*
2792 * Send standard IPP attributes...
2793 */
2794
2795 fputs("DEBUG: Adding standard IPP operation/job attributes.\n", stderr);
2796
2797 copies = _cupsConvertOptions(request, ppd, pc, media_col_sup, doc_handling_sup, print_color_mode_sup, user, format, copies, num_options, options);
2798
2799 /*
2800 * Map FaxOut options...
2801 */
2802
2803 if ((keyword = cupsGetOption("phone", num_options, options)) != NULL)
2804 {
2805 ipp_t *destination; /* destination collection */
2806 char phone[1024], /* Phone number string */
2807 *ptr, /* Pointer into string */
2808 tel_uri[1024]; /* tel: URI */
2809 static const char * const allowed = "0123456789#*-+.()pw";
2810 /* Allowed characters */
2811
2812 destination = ippNew();
2813
2814 /*
2815 * Unescape and filter out spaces and other characters that are not
2816 * allowed in a tel: URI.
2817 */
2818
2819 _httpDecodeURI(phone, keyword, sizeof(phone));
2820 for (ptr = phone; *ptr;)
2821 {
2822 if (*ptr == ',')
2823 *ptr = 'p';
2824 else if (!strchr(allowed, *ptr))
2825 _cups_strcpy(ptr, ptr + 1);
2826 else
2827 ptr ++;
2828 }
2829
2830 httpAssembleURI(HTTP_URI_CODING_ALL, tel_uri, sizeof(tel_uri), "tel", NULL, NULL, 0, phone);
2831 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_URI, "destination-uri", NULL, tel_uri);
2832
2833 if ((keyword = cupsGetOption("faxPrefix", num_options,
2834 options)) != NULL && *keyword)
2835 {
2836 char predial[1024]; /* Pre-dial string */
2837
2838 _httpDecodeURI(predial, keyword, sizeof(predial));
2839 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_TEXT, "pre-dial-string", NULL, predial);
2840 }
2841
2842 ippAddCollection(request, IPP_TAG_JOB, "destination-uris", destination);
2843 ippDelete(destination);
2844 }
2845 }
2846 else
2847 {
2848 /*
2849 * When talking to another CUPS server, send all options...
2850 */
2851
2852 fputs("DEBUG: Adding all operation/job attributes.\n", stderr);
2853 cupsEncodeOptions2(request, num_options, options, IPP_TAG_OPERATION);
2854 cupsEncodeOptions2(request, num_options, options, IPP_TAG_JOB);
2855 }
2856
2857 if (copies > 1 && (!pc || copies <= pc->max_copies))
2858 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", copies);
2859 }
2860
2861 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, ippOpString(ippGetOperation(request)), ippGetRequestId(request));
2862 debug_attributes(request);
2863
2864 return (request);
2865 }
2866
2867
2868 /*
2869 * 'password_cb()' - Disable the password prompt for cupsDoFileRequest().
2870 */
2871
2872 static const char * /* O - Password */
2873 password_cb(const char *prompt, /* I - Prompt (not used) */
2874 http_t *http, /* I - Connection */
2875 const char *method, /* I - Request method (not used) */
2876 const char *resource, /* I - Resource path (not used) */
2877 int *password_tries) /* I - Password tries */
2878 {
2879 char def_username[HTTP_MAX_VALUE]; /* Default username */
2880
2881
2882 fprintf(stderr, "DEBUG: password_cb(prompt=\"%s\", http=%p, method=\"%s\", "
2883 "resource=\"%s\", password_tries=%p(%d)), password=%p\n",
2884 prompt, http, method, resource, password_tries, *password_tries,
2885 password);
2886
2887 (void)prompt;
2888 (void)method;
2889 (void)resource;
2890
2891 if (!uri_credentials)
2892 {
2893 /*
2894 * Remember that we need to authenticate...
2895 */
2896
2897 auth_info_required = "username,password";
2898
2899 if (httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "username",
2900 def_username))
2901 {
2902 char quoted[HTTP_MAX_VALUE * 2 + 4];
2903 /* Quoted string */
2904
2905 fprintf(stderr, "ATTR: auth-info-default=%s,\n",
2906 quote_string(def_username, quoted, sizeof(quoted)));
2907 }
2908 }
2909
2910 if (password && *password && *password_tries < 3)
2911 {
2912 (*password_tries) ++;
2913
2914 cupsSetUser(username);
2915
2916 return (password);
2917 }
2918 else
2919 {
2920 /*
2921 * Give up after 3 tries or if we don't have a password to begin with...
2922 */
2923
2924 return (NULL);
2925 }
2926 }
2927
2928
2929 /*
2930 * 'quote_string()' - Quote a string value.
2931 */
2932
2933 static const char * /* O - Quoted string */
2934 quote_string(const char *s, /* I - String */
2935 char *q, /* I - Quoted string buffer */
2936 size_t qsize) /* I - Size of quoted string buffer */
2937 {
2938 char *qptr, /* Pointer into string buffer */
2939 *qend; /* End of string buffer */
2940
2941
2942 qptr = q;
2943 qend = q + qsize - 5;
2944
2945 if (qend < q)
2946 {
2947 *q = '\0';
2948 return (q);
2949 }
2950
2951 *qptr++ = '\'';
2952 *qptr++ = '\"';
2953
2954 while (*s && qptr < qend)
2955 {
2956 if (*s == '\\' || *s == '\"' || *s == '\'')
2957 {
2958 if (qptr < (qend - 4))
2959 {
2960 *qptr++ = '\\';
2961 *qptr++ = '\\';
2962 *qptr++ = '\\';
2963 }
2964 else
2965 break;
2966 }
2967
2968 *qptr++ = *s++;
2969 }
2970
2971 *qptr++ = '\"';
2972 *qptr++ = '\'';
2973 *qptr = '\0';
2974
2975 return (q);
2976 }
2977
2978
2979 /*
2980 * 'report_attr()' - Report an IPP attribute value.
2981 */
2982
2983 static void
2984 report_attr(ipp_attribute_t *attr) /* I - Attribute */
2985 {
2986 int i; /* Looping var */
2987 char value[1024], /* Value string */
2988 *valptr; /* Pointer into value string */
2989 const char *cached; /* Cached attribute */
2990
2991
2992 /*
2993 * Convert the attribute values into quoted strings...
2994 */
2995
2996 for (i = 0, valptr = value;
2997 i < attr->num_values && valptr < (value + sizeof(value) - 10);
2998 i ++)
2999 {
3000 if (i > 0)
3001 *valptr++ = ',';
3002
3003 switch (attr->value_tag)
3004 {
3005 case IPP_TAG_INTEGER :
3006 case IPP_TAG_ENUM :
3007 snprintf(valptr, sizeof(value) - (size_t)(valptr - value), "%d", attr->values[i].integer);
3008 valptr += strlen(valptr);
3009 break;
3010
3011 case IPP_TAG_TEXT :
3012 case IPP_TAG_NAME :
3013 case IPP_TAG_KEYWORD :
3014 quote_string(attr->values[i].string.text, valptr, (size_t)(value + sizeof(value) - valptr));
3015 valptr += strlen(valptr);
3016 break;
3017
3018 default :
3019 /*
3020 * Unsupported value type...
3021 */
3022
3023 return;
3024 }
3025 }
3026
3027 *valptr = '\0';
3028
3029 _cupsMutexLock(&report_mutex);
3030
3031 if ((cached = cupsGetOption(attr->name, num_attr_cache,
3032 attr_cache)) == NULL || strcmp(cached, value))
3033 {
3034 /*
3035 * Tell the scheduler about the new values...
3036 */
3037
3038 num_attr_cache = cupsAddOption(attr->name, value, num_attr_cache,
3039 &attr_cache);
3040 fprintf(stderr, "ATTR: %s=%s\n", attr->name, value);
3041 }
3042
3043 _cupsMutexUnlock(&report_mutex);
3044 }
3045
3046
3047 /*
3048 * 'report_printer_state()' - Report the printer state.
3049 */
3050
3051 static void
3052 report_printer_state(ipp_t *ipp) /* I - IPP response */
3053 {
3054 ipp_attribute_t *pa, /* printer-alert */
3055 *pam, /* printer-alert-message */
3056 *pmja, /* printer-mandatory-job-attributes */
3057 *psm, /* printer-state-message */
3058 *reasons, /* printer-state-reasons */
3059 *marker; /* marker-* attributes */
3060 char value[1024], /* State/message string */
3061 *valptr; /* Pointer into string */
3062 static int ipp_supplies = -1;
3063 /* Report supply levels? */
3064
3065
3066 /*
3067 * Report alerts and messages...
3068 */
3069
3070 if ((pa = ippFindAttribute(ipp, "printer-alert", IPP_TAG_TEXT)) != NULL)
3071 report_attr(pa);
3072
3073 if ((pam = ippFindAttribute(ipp, "printer-alert-message",
3074 IPP_TAG_TEXT)) != NULL)
3075 report_attr(pam);
3076
3077 if ((pmja = ippFindAttribute(ipp, "printer-mandatory-job-attributes", IPP_TAG_KEYWORD)) != NULL)
3078 {
3079 int i, /* Looping var */
3080 count = ippGetCount(pmja); /* Number of values */
3081
3082 for (i = 0, valptr = value; i < count; i ++, valptr += strlen(valptr))
3083 {
3084 if (i)
3085 snprintf(valptr, sizeof(value) - (size_t)(valptr - value), " %s", ippGetString(pmja, i, NULL));
3086 else
3087 strlcpy(value, ippGetString(pmja, i, NULL), sizeof(value));
3088 }
3089
3090 if (strcmp(value, mandatory_attrs))
3091 {
3092 strlcpy(mandatory_attrs, value, sizeof(mandatory_attrs));
3093 fprintf(stderr, "PPD: cupsMandatory=\"%s\"\n", value);
3094 }
3095 }
3096
3097 if ((psm = ippFindAttribute(ipp, "printer-state-message",
3098 IPP_TAG_TEXT)) != NULL)
3099 {
3100 char *ptr; /* Pointer into message */
3101
3102
3103 strlcpy(value, "INFO: ", sizeof(value));
3104 for (ptr = psm->values[0].string.text, valptr = value + 6;
3105 *ptr && valptr < (value + sizeof(value) - 6);
3106 ptr ++)
3107 {
3108 if (*ptr < ' ' && *ptr > 0 && *ptr != '\t')
3109 {
3110 /*
3111 * Substitute "<XX>" for the control character; sprintf is safe because
3112 * we always leave 6 chars free at the end...
3113 */
3114
3115 sprintf(valptr, "<%02X>", *ptr);
3116 valptr += 4;
3117 }
3118 else
3119 *valptr++ = *ptr;
3120 }
3121
3122 *valptr++ = '\n';
3123 *valptr = '\0';
3124
3125 fputs(value, stderr);
3126 }
3127
3128 /*
3129 * Now report printer-state-reasons, filtering out some of the reasons we never
3130 * want to set...
3131 */
3132
3133 if ((reasons = ippFindAttribute(ipp, "printer-state-reasons",
3134 IPP_TAG_KEYWORD)) == NULL)
3135 return;
3136
3137 update_reasons(reasons, NULL);
3138
3139 /*
3140 * Relay the current marker-* attribute values...
3141 */
3142
3143 if (ipp_supplies < 0)
3144 {
3145 ppd_file_t *ppd; /* PPD file */
3146 ppd_attr_t *ppdattr; /* Attribute in PPD file */
3147
3148 if ((ppd = ppdOpenFile(getenv("PPD"))) != NULL &&
3149 (ppdattr = ppdFindAttr(ppd, "cupsIPPSupplies", NULL)) != NULL &&
3150 ppdattr->value && _cups_strcasecmp(ppdattr->value, "true"))
3151 ipp_supplies = 0;
3152 else
3153 ipp_supplies = 1;
3154
3155 ppdClose(ppd);
3156 }
3157
3158 if (ipp_supplies > 0)
3159 {
3160 if ((marker = ippFindAttribute(ipp, "marker-colors", IPP_TAG_NAME)) != NULL)
3161 report_attr(marker);
3162 if ((marker = ippFindAttribute(ipp, "marker-high-levels",
3163 IPP_TAG_INTEGER)) != NULL)
3164 report_attr(marker);
3165 if ((marker = ippFindAttribute(ipp, "marker-levels",
3166 IPP_TAG_INTEGER)) != NULL)
3167 report_attr(marker);
3168 if ((marker = ippFindAttribute(ipp, "marker-low-levels",
3169 IPP_TAG_INTEGER)) != NULL)
3170 report_attr(marker);
3171 if ((marker = ippFindAttribute(ipp, "marker-message",
3172 IPP_TAG_TEXT)) != NULL)
3173 report_attr(marker);
3174 if ((marker = ippFindAttribute(ipp, "marker-names", IPP_TAG_NAME)) != NULL)
3175 report_attr(marker);
3176 if ((marker = ippFindAttribute(ipp, "marker-types",
3177 IPP_TAG_KEYWORD)) != NULL)
3178 report_attr(marker);
3179 }
3180 }
3181
3182
3183 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3184 /*
3185 * 'run_as_user()' - Run the IPP backend as the printing user.
3186 *
3187 * This function uses an XPC-based user agent to run the backend as the printing
3188 * user. We need to do this in order to have access to the user's Kerberos
3189 * credentials.
3190 */
3191
3192 static int /* O - Exit status */
3193 run_as_user(char *argv[], /* I - Command-line arguments */
3194 uid_t uid, /* I - User ID */
3195 const char *device_uri, /* I - Device URI */
3196 int fd) /* I - File to print */
3197 {
3198 const char *auth_negotiate;/* AUTH_NEGOTIATE env var */
3199 xpc_connection_t conn; /* Connection to XPC service */
3200 xpc_object_t request; /* Request message dictionary */
3201 __block xpc_object_t response; /* Response message dictionary */
3202 dispatch_semaphore_t sem; /* Semaphore for waiting for response */
3203 int status = CUPS_BACKEND_FAILED;
3204 /* Status of request */
3205
3206
3207 fprintf(stderr, "DEBUG: Running IPP backend as UID %d.\n", (int)uid);
3208
3209 /*
3210 * Connect to the user agent for the specified UID...
3211 */
3212
3213 conn = xpc_connection_create_mach_service(kPMPrintUIToolAgent,
3214 dispatch_get_global_queue(0, 0), 0);
3215 if (!conn)
3216 {
3217 _cupsLangPrintFilter(stderr, "ERROR",
3218 _("Unable to start backend process."));
3219 fputs("DEBUG: Unable to create connection to agent.\n", stderr);
3220 goto cleanup;
3221 }
3222
3223 xpc_connection_set_event_handler(conn,
3224 ^(xpc_object_t event)
3225 {
3226 xpc_type_t messageType = xpc_get_type(event);
3227
3228 if (messageType == XPC_TYPE_ERROR)
3229 {
3230 if (event == XPC_ERROR_CONNECTION_INTERRUPTED)
3231 fprintf(stderr, "DEBUG: Interrupted connection to service %s.\n",
3232 xpc_connection_get_name(conn));
3233 else if (event == XPC_ERROR_CONNECTION_INVALID)
3234 fprintf(stderr, "DEBUG: Connection invalid for service %s.\n",
3235 xpc_connection_get_name(conn));
3236 else
3237 fprintf(stderr, "DEBUG: Unxpected error for service %s: %s\n",
3238 xpc_connection_get_name(conn),
3239 xpc_dictionary_get_string(event, XPC_ERROR_KEY_DESCRIPTION));
3240 }
3241 });
3242 xpc_connection_set_target_uid(conn, uid);
3243 xpc_connection_resume(conn);
3244
3245 /*
3246 * Try starting the backend...
3247 */
3248
3249 request = xpc_dictionary_create(NULL, NULL, 0);
3250 xpc_dictionary_set_int64(request, "command", kPMStartJob);
3251 xpc_dictionary_set_string(request, "device-uri", device_uri);
3252 xpc_dictionary_set_string(request, "job-id", argv[1]);
3253 xpc_dictionary_set_string(request, "user", argv[2]);
3254 xpc_dictionary_set_string(request, "title", argv[3]);
3255 xpc_dictionary_set_string(request, "copies", argv[4]);
3256 xpc_dictionary_set_string(request, "options", argv[5]);
3257 xpc_dictionary_set_string(request, "auth-info-required",
3258 getenv("AUTH_INFO_REQUIRED"));
3259 if ((auth_negotiate = getenv("AUTH_NEGOTIATE")) != NULL)
3260 xpc_dictionary_set_string(request, "auth-negotiate", auth_negotiate);
3261 xpc_dictionary_set_fd(request, "stdin", fd);
3262 xpc_dictionary_set_fd(request, "stderr", 2);
3263 xpc_dictionary_set_fd(request, "side-channel", CUPS_SC_FD);
3264
3265 sem = dispatch_semaphore_create(0);
3266 response = NULL;
3267
3268 xpc_connection_send_message_with_reply(conn, request,
3269 dispatch_get_global_queue(0,0),
3270 ^(xpc_object_t reply)
3271 {
3272 /* Save the response and wake up */
3273 if (xpc_get_type(reply)
3274 == XPC_TYPE_DICTIONARY)
3275 response = xpc_retain(reply);
3276
3277 dispatch_semaphore_signal(sem);
3278 });
3279
3280 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
3281 xpc_release(request);
3282 dispatch_release(sem);
3283
3284 if (response)
3285 {
3286 child_pid = (pid_t)xpc_dictionary_get_int64(response, "child-pid");
3287
3288 xpc_release(response);
3289
3290 if (child_pid)
3291 fprintf(stderr, "DEBUG: Child PID=%d.\n", (int)child_pid);
3292 else
3293 {
3294 _cupsLangPrintFilter(stderr, "ERROR",
3295 _("Unable to start backend process."));
3296 fputs("DEBUG: No child PID.\n", stderr);
3297 goto cleanup;
3298 }
3299 }
3300 else
3301 {
3302 _cupsLangPrintFilter(stderr, "ERROR",
3303 _("Unable to start backend process."));
3304 fputs("DEBUG: No reply from agent.\n", stderr);
3305 goto cleanup;
3306 }
3307
3308 /*
3309 * Then wait for the backend to finish...
3310 */
3311
3312 request = xpc_dictionary_create(NULL, NULL, 0);
3313 xpc_dictionary_set_int64(request, "command", kPMWaitForJob);
3314 xpc_dictionary_set_fd(request, "stderr", 2);
3315
3316 sem = dispatch_semaphore_create(0);
3317 response = NULL;
3318
3319 xpc_connection_send_message_with_reply(conn, request,
3320 dispatch_get_global_queue(0,0),
3321 ^(xpc_object_t reply)
3322 {
3323 /* Save the response and wake up */
3324 if (xpc_get_type(reply)
3325 == XPC_TYPE_DICTIONARY)
3326 response = xpc_retain(reply);
3327
3328 dispatch_semaphore_signal(sem);
3329 });
3330
3331 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
3332 xpc_release(request);
3333 dispatch_release(sem);
3334
3335 if (response)
3336 {
3337 status = (int)xpc_dictionary_get_int64(response, "status");
3338
3339 if (status == SIGTERM || status == SIGKILL || status == SIGPIPE)
3340 {
3341 fprintf(stderr, "DEBUG: Child terminated on signal %d.\n", status);
3342 status = CUPS_BACKEND_FAILED;
3343 }
3344 else if (WIFSIGNALED(status))
3345 {
3346 fprintf(stderr, "DEBUG: Child crashed on signal %d.\n", status);
3347 status = CUPS_BACKEND_STOP;
3348 }
3349 else if (WIFEXITED(status))
3350 {
3351 status = WEXITSTATUS(status);
3352 fprintf(stderr, "DEBUG: Child exited with status %d.\n", status);
3353 }
3354
3355 xpc_release(response);
3356 }
3357 else
3358 _cupsLangPrintFilter(stderr, "ERROR",
3359 _("Unable to get backend exit status."));
3360
3361 cleanup:
3362
3363 if (conn)
3364 {
3365 xpc_connection_cancel(conn);
3366 xpc_release(conn);
3367 }
3368
3369 return (status);
3370 }
3371 #endif /* HAVE_GSSAPI && HAVE_XPC */
3372
3373
3374 /*
3375 * 'sigterm_handler()' - Handle 'terminate' signals that stop the backend.
3376 */
3377
3378 static void
3379 sigterm_handler(int sig) /* I - Signal */
3380 {
3381 (void)sig; /* remove compiler warnings... */
3382
3383 write(2, "DEBUG: Got SIGTERM.\n", 20);
3384
3385 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3386 if (child_pid)
3387 {
3388 kill(child_pid, sig);
3389 child_pid = 0;
3390 }
3391 #endif /* HAVE_GSSAPI && HAVE_XPC */
3392
3393 if (!job_canceled)
3394 {
3395 /*
3396 * Flag that the job should be canceled...
3397 */
3398
3399 write(2, "DEBUG: sigterm_handler: job_canceled = 1.\n", 25);
3400
3401 job_canceled = 1;
3402 return;
3403 }
3404
3405 /*
3406 * The scheduler already tried to cancel us once, now just terminate
3407 * after removing our temp file!
3408 */
3409
3410 if (tmpfilename[0])
3411 unlink(tmpfilename);
3412
3413 _exit(1);
3414 }
3415
3416
3417 /*
3418 * 'timeout_cb()' - Handle HTTP timeouts.
3419 */
3420
3421 static int /* O - 1 to continue, 0 to cancel */
3422 timeout_cb(http_t *http, /* I - Connection to server (unused) */
3423 void *user_data) /* I - User data (unused) */
3424 {
3425 (void)http;
3426 (void)user_data;
3427
3428 return (!job_canceled);
3429 }
3430
3431
3432 /*
3433 * 'update_reasons()' - Update the printer-state-reasons values.
3434 */
3435
3436 static void
3437 update_reasons(ipp_attribute_t *attr, /* I - printer-state-reasons or NULL */
3438 const char *s) /* I - STATE: string or NULL */
3439 {
3440 char op; /* Add (+), remove (-), replace (\0) */
3441 cups_array_t *new_reasons; /* New reasons array */
3442 char *reason, /* Current reason */
3443 add[2048], /* Reasons added string */
3444 *addptr, /* Pointer into add string */
3445 rem[2048], /* Reasons removed string */
3446 *remptr; /* Pointer into remove string */
3447 const char *addprefix, /* Current add string prefix */
3448 *remprefix; /* Current remove string prefix */
3449
3450
3451 fprintf(stderr, "DEBUG: update_reasons(attr=%d(%s%s), s=\"%s\")\n",
3452 attr ? attr->num_values : 0, attr ? attr->values[0].string.text : "",
3453 attr && attr->num_values > 1 ? ",..." : "", s ? s : "(null)");
3454
3455 /*
3456 * Create an array of new reason keyword strings...
3457 */
3458
3459 if (attr)
3460 {
3461 int i; /* Looping var */
3462
3463 new_reasons = cupsArrayNew((cups_array_func_t)strcmp, NULL);
3464 op = '\0';
3465
3466 for (i = 0; i < attr->num_values; i ++)
3467 {
3468 reason = attr->values[i].string.text;
3469
3470 if (strcmp(reason, "none") &&
3471 strcmp(reason, "none-report") &&
3472 strcmp(reason, "paused") &&
3473 strncmp(reason, "spool-area-full", 15) &&
3474 strcmp(reason, "com.apple.print.recoverable-warning") &&
3475 strncmp(reason, "cups-", 5))
3476 cupsArrayAdd(new_reasons, reason);
3477 }
3478 }
3479 else if (s)
3480 {
3481 if (*s == '+' || *s == '-')
3482 op = *s++;
3483 else
3484 op = '\0';
3485
3486 new_reasons = _cupsArrayNewStrings(s, ',');
3487 }
3488 else
3489 return;
3490
3491 /*
3492 * Compute the changes...
3493 */
3494
3495 add[0] = '\0';
3496 addprefix = "STATE: +";
3497 addptr = add;
3498 rem[0] = '\0';
3499 remprefix = "STATE: -";
3500 remptr = rem;
3501
3502 fprintf(stderr, "DEBUG2: op='%c', new_reasons=%d, state_reasons=%d\n",
3503 op ? op : ' ', cupsArrayCount(new_reasons),
3504 cupsArrayCount(state_reasons));
3505
3506 _cupsMutexLock(&report_mutex);
3507
3508 if (op == '+')
3509 {
3510 /*
3511 * Add reasons...
3512 */
3513
3514 for (reason = (char *)cupsArrayFirst(new_reasons);
3515 reason;
3516 reason = (char *)cupsArrayNext(new_reasons))
3517 {
3518 if (!cupsArrayFind(state_reasons, reason))
3519 {
3520 if (!strncmp(reason, "cups-remote-", 12))
3521 {
3522 /*
3523 * If we are setting cups-remote-xxx, remove all other cups-remote-xxx
3524 * keywords...
3525 */
3526
3527 char *temp; /* Current reason in state_reasons */
3528
3529 cupsArraySave(state_reasons);
3530
3531 for (temp = (char *)cupsArrayFirst(state_reasons);
3532 temp;
3533 temp = (char *)cupsArrayNext(state_reasons))
3534 if (!strncmp(temp, "cups-remote-", 12))
3535 {
3536 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, temp);
3537 remptr += strlen(remptr);
3538 remprefix = ",";
3539
3540 cupsArrayRemove(state_reasons, temp);
3541 break;
3542 }
3543
3544 cupsArrayRestore(state_reasons);
3545 }
3546
3547 cupsArrayAdd(state_reasons, reason);
3548
3549 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason);
3550 addptr += strlen(addptr);
3551 addprefix = ",";
3552 }
3553 }
3554 }
3555 else if (op == '-')
3556 {
3557 /*
3558 * Remove reasons...
3559 */
3560
3561 for (reason = (char *)cupsArrayFirst(new_reasons);
3562 reason;
3563 reason = (char *)cupsArrayNext(new_reasons))
3564 {
3565 if (cupsArrayFind(state_reasons, reason))
3566 {
3567 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason);
3568 remptr += strlen(remptr);
3569 remprefix = ",";
3570
3571 cupsArrayRemove(state_reasons, reason);
3572 }
3573 }
3574 }
3575 else
3576 {
3577 /*
3578 * Replace reasons...
3579 */
3580
3581 for (reason = (char *)cupsArrayFirst(state_reasons);
3582 reason;
3583 reason = (char *)cupsArrayNext(state_reasons))
3584 {
3585 if (strncmp(reason, "cups-", 5) && !cupsArrayFind(new_reasons, reason))
3586 {
3587 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason);
3588 remptr += strlen(remptr);
3589 remprefix = ",";
3590
3591 cupsArrayRemove(state_reasons, reason);
3592 }
3593 }
3594
3595 for (reason = (char *)cupsArrayFirst(new_reasons);
3596 reason;
3597 reason = (char *)cupsArrayNext(new_reasons))
3598 {
3599 if (!cupsArrayFind(state_reasons, reason))
3600 {
3601 cupsArrayAdd(state_reasons, reason);
3602
3603 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason);
3604 addptr += strlen(addptr);
3605 addprefix = ",";
3606 }
3607 }
3608 }
3609
3610 cupsArrayDelete(new_reasons);
3611
3612 _cupsMutexUnlock(&report_mutex);
3613
3614 /*
3615 * Report changes and return...
3616 */
3617
3618 if (add[0] && rem[0])
3619 fprintf(stderr, "%s\n%s\n", add, rem);
3620 else if (add[0])
3621 fprintf(stderr, "%s\n", add);
3622 else if (rem[0])
3623 fprintf(stderr, "%s\n", rem);
3624 }
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