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 */
main(int argc,char * argv[])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 _cups_monitor_t monitor; /* Monitoring data */
237 ipp_attribute_t *job_id_attr; /* job-id attribute */
238 int job_id; /* job-id value */
239 ipp_attribute_t *job_sheets; /* job-media-sheets-completed */
240 ipp_attribute_t *job_state; /* job-state */
241 #ifdef HAVE_LIBZ
242 ipp_attribute_t *compression_sup; /* compression-supported */
243 #endif /* HAVE_LIBZ */
244 ipp_attribute_t *copies_sup; /* copies-supported */
245 ipp_attribute_t *cups_version; /* cups-version */
246 ipp_attribute_t *encryption_sup; /* job-password-encryption-supported */
247 ipp_attribute_t *format_sup; /* document-format-supported */
248 ipp_attribute_t *job_auth; /* job-authorization-uri */
249 ipp_attribute_t *media_col_sup; /* media-col-supported */
250 ipp_attribute_t *operations_sup; /* operations-supported */
251 ipp_attribute_t *doc_handling_sup; /* multiple-document-handling-supported */
252 ipp_attribute_t *printer_state; /* printer-state attribute */
253 ipp_attribute_t *printer_accepting; /* printer-is-accepting-jobs */
254 ipp_attribute_t *print_color_mode_sup;/* Does printer support print-color-mode? */
255 int create_job = 0, /* Does printer support Create-Job? */
256 get_job_attrs = 0, /* Does printer support Get-Job-Attributes? */
257 send_document = 0, /* Does printer support Send-Document? */
258 validate_job = 0, /* Does printer support Validate-Job? */
259 copies, /* Number of copies for job */
260 copies_remaining; /* Number of copies remaining */
261 const char *content_type, /* CONTENT_TYPE environment variable */
262 *final_content_type, /* FINAL_CONTENT_TYPE environment var */
263 *document_format; /* document-format value */
264 int fd; /* File descriptor */
265 off_t bytes = 0; /* Bytes copied */
266 char buffer[16384]; /* Copy buffer */
267 #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
268 struct sigaction action; /* Actions for POSIX signals */
269 #endif /* HAVE_SIGACTION && !HAVE_SIGSET */
270 int version; /* IPP version */
271 ppd_file_t *ppd = NULL; /* PPD file */
272 _ppd_cache_t *pc = NULL; /* PPD cache and mapping data */
273 fd_set input; /* Input set for select() */
274
275
276 /*
277 * Make sure status messages are not buffered...
278 */
279
280 setbuf(stderr, NULL);
281
282 /*
283 * Ignore SIGPIPE and catch SIGTERM signals...
284 */
285
286 #ifdef HAVE_SIGSET
287 sigset(SIGPIPE, SIG_IGN);
288 sigset(SIGTERM, sigterm_handler);
289 #elif defined(HAVE_SIGACTION)
290 memset(&action, 0, sizeof(action));
291 action.sa_handler = SIG_IGN;
292 sigaction(SIGPIPE, &action, NULL);
293
294 sigemptyset(&action.sa_mask);
295 sigaddset(&action.sa_mask, SIGTERM);
296 action.sa_handler = sigterm_handler;
297 sigaction(SIGTERM, &action, NULL);
298 #else
299 signal(SIGPIPE, SIG_IGN);
300 signal(SIGTERM, sigterm_handler);
301 #endif /* HAVE_SIGSET */
302
303 /*
304 * Check command-line...
305 */
306
307 if (argc == 1)
308 {
309 char *s;
310
311 if ((s = strrchr(argv[0], '/')) != NULL)
312 s ++;
313 else
314 s = argv[0];
315
316 printf("network %s \"Unknown\" \"%s (%s)\"\n",
317 s, _cupsLangString(cupsLangDefault(),
318 _("Internet Printing Protocol")), s);
319 return (CUPS_BACKEND_OK);
320 }
321 else if (argc < 6)
322 {
323 _cupsLangPrintf(stderr,
324 _("Usage: %s job-id user title copies options [file]"),
325 argv[0]);
326 return (CUPS_BACKEND_STOP);
327 }
328
329 /*
330 * Get the device URI...
331 */
332
333 while ((device_uri = cupsBackendDeviceURI(argv)) == NULL)
334 {
335 _cupsLangPrintFilter(stderr, "INFO", _("Unable to locate printer."));
336 sleep(10);
337
338 if (getenv("CLASS") != NULL)
339 return (CUPS_BACKEND_FAILED);
340 }
341
342 if ((auth_info_required = getenv("AUTH_INFO_REQUIRED")) == NULL)
343 auth_info_required = "none";
344
345 state_reasons = _cupsArrayNewStrings(getenv("PRINTER_STATE_REASONS"), ',');
346
347 #ifdef HAVE_GSSAPI
348 /*
349 * For Kerberos, become the printing user (if we can) to get the credentials
350 * that way.
351 */
352
353 if (!getuid() && (value = getenv("AUTH_UID")) != NULL)
354 {
355 uid_t uid = (uid_t)atoi(value);
356 /* User ID */
357
358 # ifdef HAVE_XPC
359 if (uid > 0)
360 {
361 if (argc == 6)
362 return (run_as_user(argv, uid, device_uri, 0));
363 else
364 {
365 int status = 0; /* Exit status */
366
367 for (i = 6; i < argc && !status && !job_canceled; i ++)
368 {
369 if ((fd = open(argv[i], O_RDONLY)) >= 0)
370 {
371 status = run_as_user(argv, uid, device_uri, fd);
372 close(fd);
373 }
374 else
375 {
376 _cupsLangPrintError("ERROR", _("Unable to open print file"));
377 status = CUPS_BACKEND_FAILED;
378 }
379 }
380
381 return (status);
382 }
383 }
384
385 # else /* No XPC, just try to run as the user ID */
386 if (uid > 0)
387 setuid(uid);
388 # endif /* HAVE_XPC */
389 }
390 #endif /* HAVE_GSSAPI */
391
392 /*
393 * Get the (final) content type...
394 */
395
396 if ((content_type = getenv("CONTENT_TYPE")) == NULL)
397 content_type = "application/octet-stream";
398
399 if ((final_content_type = getenv("FINAL_CONTENT_TYPE")) == NULL)
400 {
401 final_content_type = content_type;
402
403 if (!strncmp(final_content_type, "printer/", 8))
404 final_content_type = "application/vnd.cups-raw";
405 }
406
407 /*
408 * Extract the hostname and printer name from the URI...
409 */
410
411 httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme),
412 username, sizeof(username), hostname, sizeof(hostname), &port,
413 resource, sizeof(resource));
414
415 if (!port)
416 port = IPP_PORT; /* Default to port 631 */
417
418 if (!strcmp(scheme, "https") || !strcmp(scheme, "ipps"))
419 cupsSetEncryption(HTTP_ENCRYPTION_ALWAYS);
420 else
421 cupsSetEncryption(HTTP_ENCRYPTION_IF_REQUESTED);
422
423 /*
424 * See if there are any options...
425 */
426
427 compression = NULL;
428 version = 20;
429 waitjob = 1;
430 waitprinter = 1;
431 contimeout = 7 * 24 * 60 * 60;
432
433 if ((optptr = strchr(resource, '?')) != NULL)
434 {
435 /*
436 * Yup, terminate the device name string and move to the first
437 * character of the optptr...
438 */
439
440 *optptr++ = '\0';
441
442 /*
443 * Then parse the optptr...
444 */
445
446 while (*optptr)
447 {
448 /*
449 * Get the name...
450 */
451
452 name = optptr;
453
454 while (*optptr && *optptr != '=' && *optptr != '+' && *optptr != '&')
455 optptr ++;
456
457 if ((sep = *optptr) != '\0')
458 *optptr++ = '\0';
459
460 if (sep == '=')
461 {
462 /*
463 * Get the value...
464 */
465
466 value = optptr;
467
468 while (*optptr && *optptr != '+' && *optptr != '&')
469 optptr ++;
470
471 if (*optptr)
472 *optptr++ = '\0';
473 }
474 else
475 value = (char *)"";
476
477 /*
478 * Process the option...
479 */
480
481 if (!_cups_strcasecmp(name, "waitjob"))
482 {
483 /*
484 * Wait for job completion?
485 */
486
487 waitjob = !_cups_strcasecmp(value, "on") ||
488 !_cups_strcasecmp(value, "yes") ||
489 !_cups_strcasecmp(value, "true");
490 }
491 else if (!_cups_strcasecmp(name, "waitprinter"))
492 {
493 /*
494 * Wait for printer idle?
495 */
496
497 waitprinter = !_cups_strcasecmp(value, "on") ||
498 !_cups_strcasecmp(value, "yes") ||
499 !_cups_strcasecmp(value, "true");
500 }
501 else if (!_cups_strcasecmp(name, "encryption"))
502 {
503 /*
504 * Enable/disable encryption?
505 */
506
507 if (!_cups_strcasecmp(value, "always"))
508 cupsSetEncryption(HTTP_ENCRYPTION_ALWAYS);
509 else if (!_cups_strcasecmp(value, "required"))
510 cupsSetEncryption(HTTP_ENCRYPTION_REQUIRED);
511 else if (!_cups_strcasecmp(value, "never"))
512 cupsSetEncryption(HTTP_ENCRYPTION_NEVER);
513 else if (!_cups_strcasecmp(value, "ifrequested"))
514 cupsSetEncryption(HTTP_ENCRYPTION_IF_REQUESTED);
515 else
516 {
517 _cupsLangPrintFilter(stderr, "ERROR",
518 _("Unknown encryption option value: \"%s\"."),
519 value);
520 }
521 }
522 else if (!_cups_strcasecmp(name, "snmp"))
523 {
524 /*
525 * Enable/disable SNMP stuff...
526 */
527
528 snmp_enabled = !value[0] || !_cups_strcasecmp(value, "on") ||
529 !_cups_strcasecmp(value, "yes") ||
530 !_cups_strcasecmp(value, "true");
531 }
532 else if (!_cups_strcasecmp(name, "version"))
533 {
534 if (!strcmp(value, "1.0"))
535 version = 10;
536 else if (!strcmp(value, "1.1"))
537 version = 11;
538 else if (!strcmp(value, "2.0"))
539 version = 20;
540 else if (!strcmp(value, "2.1"))
541 version = 21;
542 else if (!strcmp(value, "2.2"))
543 version = 22;
544 else
545 {
546 _cupsLangPrintFilter(stderr, "ERROR",
547 _("Unknown version option value: \"%s\"."),
548 value);
549 }
550 }
551 #ifdef HAVE_LIBZ
552 else if (!_cups_strcasecmp(name, "compression"))
553 {
554 if (!_cups_strcasecmp(value, "true") || !_cups_strcasecmp(value, "yes") ||
555 !_cups_strcasecmp(value, "on") || !_cups_strcasecmp(value, "gzip"))
556 compression = "gzip";
557 else if (!_cups_strcasecmp(value, "deflate"))
558 compression = "deflate";
559 else if (!_cups_strcasecmp(value, "false") ||
560 !_cups_strcasecmp(value, "no") ||
561 !_cups_strcasecmp(value, "off") ||
562 !_cups_strcasecmp(value, "none"))
563 compression = "none";
564 }
565 #endif /* HAVE_LIBZ */
566 else if (!_cups_strcasecmp(name, "contimeout"))
567 {
568 /*
569 * Set the connection timeout...
570 */
571
572 if (atoi(value) > 0)
573 contimeout = atoi(value);
574 }
575 else
576 {
577 /*
578 * Unknown option...
579 */
580
581 _cupsLangPrintFilter(stderr, "ERROR",
582 _("Unknown option \"%s\" with value \"%s\"."),
583 name, value);
584 }
585 }
586 }
587
588 /*
589 * If we have 7 arguments, print the file named on the command-line.
590 * Otherwise, copy stdin to a temporary file and print the temporary
591 * file.
592 */
593
594 if (argc == 6)
595 {
596 num_files = 0;
597 files = NULL;
598 send_options = !_cups_strcasecmp(final_content_type, "application/pdf") ||
599 !_cups_strcasecmp(final_content_type, "application/vnd.cups-pdf") ||
600 !_cups_strncasecmp(final_content_type, "image/", 6);
601
602 fputs("DEBUG: Sending stdin for job...\n", stderr);
603 }
604 else
605 {
606 /*
607 * Point to the files on the command-line...
608 */
609
610 num_files = argc - 6;
611 files = argv + 6;
612 send_options = 1;
613
614 fprintf(stderr, "DEBUG: %d files to send in job...\n", num_files);
615 }
616
617 /*
618 * Set the authentication info, if any...
619 */
620
621 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries);
622
623 if (username[0])
624 {
625 /*
626 * Use authentication information in the device URI...
627 */
628
629 if ((password = strchr(username, ':')) != NULL)
630 *password++ = '\0';
631
632 cupsSetUser(username);
633 uri_credentials = 1;
634 }
635 else
636 {
637 /*
638 * Try loading authentication information from the environment.
639 */
640
641 const char *ptr = getenv("AUTH_USERNAME");
642
643 if (ptr)
644 {
645 strlcpy(username, ptr, sizeof(username));
646 cupsSetUser(ptr);
647 }
648
649 password = getenv("AUTH_PASSWORD");
650 }
651
652 /*
653 * Try finding the remote server...
654 */
655
656 start_time = time(NULL);
657
658 addrlist = backendLookup(hostname, port, &job_canceled);
659
660 http = httpConnect2(hostname, port, addrlist, AF_UNSPEC, cupsEncryption(), 1,
661 0, NULL);
662 httpSetTimeout(http, 30.0, timeout_cb, NULL);
663
664 /*
665 * See if the printer supports SNMP...
666 */
667
668 if (snmp_enabled)
669 snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family);
670 else
671 snmp_fd = -1;
672
673 if (snmp_fd >= 0)
674 have_supplies = !backendSNMPSupplies(snmp_fd, &(addrlist->addr),
675 &start_count, NULL);
676 else
677 have_supplies = start_count = 0;
678
679 /*
680 * Wait for data from the filter...
681 */
682
683 if (num_files == 0)
684 {
685 if (!backendWaitLoop(snmp_fd, &(addrlist->addr), 0, backendNetworkSideCB))
686 return (CUPS_BACKEND_OK);
687 else if ((bytes = read(0, buffer, sizeof(buffer))) <= 0)
688 return (CUPS_BACKEND_OK);
689 }
690
691 /*
692 * Try connecting to the remote server...
693 */
694
695 delay = _cupsNextDelay(0, &prev_delay);
696
697 do
698 {
699 fprintf(stderr, "DEBUG: Connecting to %s:%d\n", hostname, port);
700 _cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer."));
701
702 if (httpReconnect2(http, 30000, NULL))
703 {
704 int error = errno; /* Connection error */
705
706 if (http->status == HTTP_STATUS_CUPS_PKI_ERROR)
707 update_reasons(NULL, "+cups-certificate-error");
708
709 if (job_canceled)
710 break;
711
712 if (getenv("CLASS") != NULL)
713 {
714 /*
715 * If the CLASS environment variable is set, the job was submitted
716 * to a class and not to a specific queue. In this case, we want
717 * to abort immediately so that the job can be requeued on the next
718 * available printer in the class.
719 */
720
721 _cupsLangPrintFilter(stderr, "INFO",
722 _("Unable to contact printer, queuing on next "
723 "printer in class."));
724
725 /*
726 * Sleep 5 seconds to keep the job from requeuing too rapidly...
727 */
728
729 sleep(5);
730
731 update_reasons(NULL, "-connecting-to-device");
732
733 return (CUPS_BACKEND_FAILED);
734 }
735
736 fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(errno));
737
738 if (errno == ECONNREFUSED || errno == EHOSTDOWN || errno == EHOSTUNREACH || errno == ETIMEDOUT || errno == ENOTCONN)
739 {
740 if (contimeout && (time(NULL) - start_time) > contimeout)
741 {
742 _cupsLangPrintFilter(stderr, "ERROR",
743 _("The printer is not responding."));
744 update_reasons(NULL, "-connecting-to-device");
745 return (CUPS_BACKEND_FAILED);
746 }
747
748 switch (error)
749 {
750 case EHOSTDOWN :
751 _cupsLangPrintFilter(stderr, "WARNING",
752 _("The printer may not exist or "
753 "is unavailable at this time."));
754 break;
755
756 case EHOSTUNREACH :
757 default :
758 _cupsLangPrintFilter(stderr, "WARNING",
759 _("The printer is unreachable at this "
760 "time."));
761 break;
762
763 case ECONNREFUSED :
764 _cupsLangPrintFilter(stderr, "WARNING",
765 _("The printer is in use."));
766 break;
767 }
768
769 sleep((unsigned)delay);
770
771 delay = _cupsNextDelay(delay, &prev_delay);
772 }
773 else
774 {
775 _cupsLangPrintFilter(stderr, "ERROR",
776 _("The printer is not responding."));
777 sleep(30);
778 }
779
780 if (job_canceled)
781 break;
782 }
783 else
784 update_reasons(NULL, "-cups-certificate-error");
785 }
786 while (http->fd < 0);
787
788 if (job_canceled)
789 return (CUPS_BACKEND_OK);
790 else if (!http)
791 return (CUPS_BACKEND_FAILED);
792
793 if (httpIsEncrypted(http))
794 {
795 /*
796 * Validate TLS credentials...
797 */
798
799 cups_array_t *creds; /* TLS credentials */
800 cups_array_t *lcreds = NULL; /* Loaded credentials */
801 http_trust_t trust; /* Trust level */
802 char credinfo[1024], /* Information on credentials */
803 lcredinfo[1024];/* Information on saved credentials */
804 static const char * const trusts[] = { NULL, "+cups-pki-invalid", "+cups-pki-changed", "+cups-pki-expired", NULL, "+cups-pki-unknown" };
805 /* Trust keywords */
806 static const char * const trust_msgs[] =
807 {
808 "Credentials are OK/trusted",
809 "Credentials are invalid",
810 "Credentials have changed",
811 "Credentials are expired",
812 "Credentials have been renewed",
813 "Credentials are unknown/new"
814 };
815
816 fputs("DEBUG: Connection is encrypted.\n", stderr);
817
818 if (!httpCopyCredentials(http, &creds))
819 {
820 trust = httpCredentialsGetTrust(creds, hostname);
821 httpCredentialsString(creds, credinfo, sizeof(credinfo));
822
823 fprintf(stderr, "DEBUG: %s (%s)\n", trust_msgs[trust], cupsLastErrorString());
824 fprintf(stderr, "DEBUG: Printer credentials: %s\n", credinfo);
825
826 if (!httpLoadCredentials(NULL, &lcreds, hostname))
827 {
828 httpCredentialsString(lcreds, lcredinfo, sizeof(lcredinfo));
829 fprintf(stderr, "DEBUG: Stored credentials: %s\n", lcredinfo);
830 }
831 else
832 fputs("DEBUG: No stored credentials.\n", stderr);
833
834 update_reasons(NULL, "-cups-pki-invalid,cups-pki-changed,cups-pki-expired,cups-pki-unknown");
835 if (trusts[trust])
836 {
837 update_reasons(NULL, trusts[trust]);
838 return (CUPS_BACKEND_STOP);
839 }
840
841 if (!lcreds)
842 {
843 /*
844 * Could not load the credentials, let's save the ones we have so we
845 * can detect changes...
846 */
847
848 httpSaveCredentials(NULL, creds, hostname);
849 }
850
851 httpFreeCredentials(lcreds);
852 httpFreeCredentials(creds);
853 }
854 else
855 {
856 fputs("DEBUG: No printer credentials.\n", stderr);
857
858 update_reasons(NULL, "cups-pki-unknown");
859 return (CUPS_BACKEND_STOP);
860 }
861 }
862
863 update_reasons(NULL, "-connecting-to-device");
864 _cupsLangPrintFilter(stderr, "INFO", _("Connected to printer."));
865
866 fprintf(stderr, "DEBUG: Connected to %s:%d...\n",
867 httpAddrString(http->hostaddr, addrname, sizeof(addrname)),
868 httpAddrPort(http->hostaddr));
869
870 /*
871 * Build a URI for the printer and fill the standard IPP attributes for
872 * an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it
873 * might contain username:password information...
874 */
875
876 httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri), scheme, NULL, hostname,
877 port, resource);
878
879 /*
880 * First validate the destination and see if the device supports multiple
881 * copies...
882 */
883
884 #ifdef HAVE_LIBZ
885 compression_sup = NULL;
886 #endif /* HAVE_LIBZ */
887 copies_sup = NULL;
888 cups_version = NULL;
889 encryption_sup = NULL;
890 format_sup = NULL;
891 media_col_sup = NULL;
892 supported = NULL;
893 operations_sup = NULL;
894 doc_handling_sup = NULL;
895 print_color_mode_sup = NULL;
896
897 do
898 {
899 /*
900 * Check for side-channel requests...
901 */
902
903 backendCheckSideChannel(snmp_fd, http->hostaddr);
904
905 /*
906 * Build the IPP request...
907 */
908
909 request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES);
910 ippSetVersion(request, version / 10, version % 10);
911 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
912 NULL, uri);
913
914 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
915 "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
916 NULL, pattrs);
917
918 /*
919 * Do the request...
920 */
921
922 fputs("DEBUG: Getting supported attributes...\n", stderr);
923
924 if (http->version < HTTP_VERSION_1_1)
925 {
926 fprintf(stderr, "DEBUG: Printer responded with HTTP version %d.%d.\n",
927 http->version / 100, http->version % 100);
928 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
929 "cups-ipp-wrong-http-version");
930 }
931
932 supported = cupsDoRequest(http, request, resource);
933 ipp_status = cupsLastError();
934
935 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
936 ippErrorString(ipp_status), cupsLastErrorString());
937
938 if (ipp_status <= IPP_STATUS_OK_CONFLICTING)
939 password_tries = 0;
940 else
941 {
942 fprintf(stderr, "DEBUG: Get-Printer-Attributes returned %s.\n",
943 ippErrorString(ipp_status));
944
945 if (ipp_status == IPP_STATUS_ERROR_BUSY ||
946 ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE)
947 {
948 if (contimeout && (time(NULL) - start_time) > contimeout)
949 {
950 _cupsLangPrintFilter(stderr, "ERROR",
951 _("The printer is not responding."));
952 return (CUPS_BACKEND_FAILED);
953 }
954
955 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
956
957 report_printer_state(supported);
958
959 sleep((unsigned)delay);
960
961 delay = _cupsNextDelay(delay, &prev_delay);
962 }
963 else if ((ipp_status == IPP_STATUS_ERROR_BAD_REQUEST ||
964 ipp_status == IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED) && version > 10)
965 {
966 /*
967 * Switch to IPP/1.1 or IPP/1.0...
968 */
969
970 if (version >= 20)
971 {
972 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print."));
973 fprintf(stderr,
974 "DEBUG: The printer does not support IPP/%d.%d, trying "
975 "IPP/1.1.\n", version / 10, version % 10);
976 version = 11;
977 }
978 else
979 {
980 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print."));
981 fprintf(stderr,
982 "DEBUG: The printer does not support IPP/%d.%d, trying "
983 "IPP/1.0.\n", version / 10, version % 10);
984 version = 10;
985 }
986
987 httpReconnect2(http, 30000, NULL);
988 }
989 else if (ipp_status == IPP_STATUS_ERROR_NOT_FOUND)
990 {
991 _cupsLangPrintFilter(stderr, "ERROR",
992 _("The printer configuration is incorrect or the "
993 "printer no longer exists."));
994
995 ippDelete(supported);
996
997 return (CUPS_BACKEND_STOP);
998 }
999 else if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1000 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1001 {
1002 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1003 /* WWW-Authenticate field value */
1004
1005 if (!strncmp(www_auth, "Negotiate", 9))
1006 auth_info_required = "negotiate";
1007 else if (www_auth[0])
1008 auth_info_required = "username,password";
1009
1010 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
1011 return (CUPS_BACKEND_AUTH_REQUIRED);
1012 }
1013 else if (ipp_status != IPP_STATUS_ERROR_NOT_AUTHORIZED)
1014 {
1015 _cupsLangPrintFilter(stderr, "ERROR",
1016 _("Unable to get printer status."));
1017 sleep(10);
1018
1019 httpReconnect2(http, 30000, NULL);
1020 }
1021
1022 ippDelete(supported);
1023 supported = NULL;
1024 continue;
1025 }
1026
1027 if (!getenv("CLASS"))
1028 {
1029 /*
1030 * Check printer-is-accepting-jobs = false and printer-state-reasons for the
1031 * "spool-area-full" keyword...
1032 */
1033
1034 int busy = 0;
1035
1036 if ((printer_accepting = ippFindAttribute(supported,
1037 "printer-is-accepting-jobs",
1038 IPP_TAG_BOOLEAN)) != NULL &&
1039 !printer_accepting->values[0].boolean)
1040 busy = 1;
1041 else if (!printer_accepting)
1042 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1043 "cups-ipp-missing-printer-is-accepting-jobs");
1044
1045 if ((printer_state = ippFindAttribute(supported,
1046 "printer-state-reasons",
1047 IPP_TAG_KEYWORD)) == NULL)
1048 {
1049 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1050 "cups-ipp-missing-printer-state-reasons");
1051 }
1052 else if (!busy)
1053 {
1054 for (i = 0; i < printer_state->num_values; i ++)
1055 {
1056 if (!strcmp(printer_state->values[0].string.text,
1057 "spool-area-full") ||
1058 !strncmp(printer_state->values[0].string.text, "spool-area-full-",
1059 16))
1060 {
1061 busy = 1;
1062 break;
1063 }
1064 }
1065 }
1066
1067 if (busy)
1068 {
1069 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1070
1071 report_printer_state(supported);
1072
1073 sleep((unsigned)delay);
1074
1075 delay = _cupsNextDelay(delay, &prev_delay);
1076
1077 ippDelete(supported);
1078 supported = NULL;
1079 ipp_status = IPP_STATUS_ERROR_BUSY;
1080 continue;
1081 }
1082 }
1083
1084 /*
1085 * Check for supported attributes...
1086 */
1087
1088 #ifdef HAVE_LIBZ
1089 if ((compression_sup = ippFindAttribute(supported, "compression-supported",
1090 IPP_TAG_KEYWORD)) != NULL)
1091 {
1092 /*
1093 * Check whether the requested compression is supported and/or default to
1094 * compression if supported...
1095 */
1096
1097 if (compression && !ippContainsString(compression_sup, compression))
1098 {
1099 fprintf(stderr, "DEBUG: Printer does not support the requested "
1100 "compression value \"%s\".\n", compression);
1101 compression = NULL;
1102 }
1103 else if (!compression && (!strcmp(final_content_type, "image/pwg-raster") || !strcmp(final_content_type, "image/urf")))
1104 {
1105 if (ippContainsString(compression_sup, "gzip"))
1106 compression = "gzip";
1107 else if (ippContainsString(compression_sup, "deflate"))
1108 compression = "deflate";
1109
1110 if (compression)
1111 fprintf(stderr, "DEBUG: Automatically using \"%s\" compression.\n",
1112 compression);
1113 }
1114 }
1115 #endif /* HAVE_LIBZ */
1116
1117 if ((copies_sup = ippFindAttribute(supported, "copies-supported",
1118 IPP_TAG_RANGE)) != NULL)
1119 {
1120 /*
1121 * Has the "copies-supported" attribute - does it have an upper
1122 * bound > 1?
1123 */
1124
1125 fprintf(stderr, "DEBUG: copies-supported=%d-%d\n",
1126 copies_sup->values[0].range.lower,
1127 copies_sup->values[0].range.upper);
1128
1129 if (copies_sup->values[0].range.upper <= 1)
1130 copies_sup = NULL; /* No */
1131 }
1132
1133 if ((cups_version = ippFindAttribute(supported, "cups-version", IPP_TAG_TEXT)) != NULL)
1134 {
1135 const char *val = ippGetString(cups_version, 0, NULL);
1136
1137 fprintf(stderr, "DEBUG: cups-version = \"%s\"\n", val);
1138 if (!strcmp(val, "cups-version"))
1139 cups_version = NULL; /* Bogus cups-version value returned by buggy printers! */
1140 }
1141
1142 encryption_sup = ippFindAttribute(supported, "job-password-encryption-supported", IPP_TAG_KEYWORD);
1143
1144 if ((format_sup = ippFindAttribute(supported, "document-format-supported",
1145 IPP_TAG_MIMETYPE)) != NULL)
1146 {
1147 fprintf(stderr, "DEBUG: document-format-supported (%d values)\n",
1148 format_sup->num_values);
1149 for (i = 0; i < format_sup->num_values; i ++)
1150 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
1151 format_sup->values[i].string.text);
1152 }
1153
1154 if ((media_col_sup = ippFindAttribute(supported, "media-col-supported",
1155 IPP_TAG_KEYWORD)) != NULL)
1156 {
1157 fprintf(stderr, "DEBUG: media-col-supported (%d values)\n",
1158 media_col_sup->num_values);
1159 for (i = 0; i < media_col_sup->num_values; i ++)
1160 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
1161 media_col_sup->values[i].string.text);
1162 }
1163
1164 print_color_mode_sup = ippFindAttribute(supported, "print-color-mode-supported", IPP_TAG_KEYWORD);
1165
1166 if ((operations_sup = ippFindAttribute(supported, "operations-supported",
1167 IPP_TAG_ENUM)) != NULL)
1168 {
1169 fprintf(stderr, "DEBUG: operations-supported (%d values)\n",
1170 operations_sup->num_values);
1171 for (i = 0; i < operations_sup->num_values; i ++)
1172 fprintf(stderr, "DEBUG: [%d] = %s\n", i,
1173 ippOpString(operations_sup->values[i].integer));
1174
1175 for (i = 0; i < operations_sup->num_values; i ++)
1176 if (operations_sup->values[i].integer == IPP_OP_PRINT_JOB)
1177 break;
1178
1179 if (i >= operations_sup->num_values)
1180 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1181 "cups-ipp-missing-print-job");
1182
1183 for (i = 0; i < operations_sup->num_values; i ++)
1184 if (operations_sup->values[i].integer == IPP_OP_CANCEL_JOB)
1185 break;
1186
1187 if (i >= operations_sup->num_values)
1188 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1189 "cups-ipp-missing-cancel-job");
1190
1191 for (i = 0; i < operations_sup->num_values; i ++)
1192 if (operations_sup->values[i].integer == IPP_OP_GET_JOB_ATTRIBUTES)
1193 break;
1194
1195 if (i >= operations_sup->num_values)
1196 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1197 "cups-ipp-missing-get-job-attributes");
1198
1199 for (i = 0; i < operations_sup->num_values; i ++)
1200 if (operations_sup->values[i].integer == IPP_OP_GET_PRINTER_ATTRIBUTES)
1201 break;
1202
1203 if (i >= operations_sup->num_values)
1204 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1205 "cups-ipp-missing-get-printer-attributes");
1206
1207 for (i = 0; i < operations_sup->num_values; i ++)
1208 {
1209 if (operations_sup->values[i].integer == IPP_OP_VALIDATE_JOB)
1210 validate_job = 1;
1211 else if (operations_sup->values[i].integer == IPP_OP_CREATE_JOB)
1212 create_job = 1;
1213 else if (operations_sup->values[i].integer == IPP_OP_SEND_DOCUMENT)
1214 send_document = 1;
1215 else if (operations_sup->values[i].integer == IPP_OP_GET_JOB_ATTRIBUTES)
1216 get_job_attrs = 1;
1217 }
1218
1219 if (create_job && !send_document)
1220 {
1221 fputs("DEBUG: Printer supports Create-Job but not Send-Document.\n",
1222 stderr);
1223 create_job = 0;
1224
1225 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1226 "cups-ipp-missing-send-document");
1227 }
1228
1229 if (!validate_job)
1230 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1231 "cups-ipp-missing-validate-job");
1232 }
1233 else
1234 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1235 "cups-ipp-missing-operations-supported");
1236
1237 doc_handling_sup = ippFindAttribute(supported,
1238 "multiple-document-handling-supported",
1239 IPP_TAG_KEYWORD);
1240
1241 report_printer_state(supported);
1242 }
1243 while (!job_canceled && ipp_status > IPP_STATUS_OK_CONFLICTING);
1244
1245 if (job_canceled)
1246 return (CUPS_BACKEND_OK);
1247
1248 /*
1249 * See if the printer is accepting jobs and is not stopped; if either
1250 * condition is true and we are printing to a class, requeue the job...
1251 */
1252
1253 if (getenv("CLASS") != NULL)
1254 {
1255 printer_state = ippFindAttribute(supported, "printer-state",
1256 IPP_TAG_ENUM);
1257 printer_accepting = ippFindAttribute(supported, "printer-is-accepting-jobs",
1258 IPP_TAG_BOOLEAN);
1259
1260 if (printer_state == NULL ||
1261 (printer_state->values[0].integer > IPP_PSTATE_PROCESSING &&
1262 waitprinter) ||
1263 printer_accepting == NULL ||
1264 !printer_accepting->values[0].boolean)
1265 {
1266 /*
1267 * If the CLASS environment variable is set, the job was submitted
1268 * to a class and not to a specific queue. In this case, we want
1269 * to abort immediately so that the job can be requeued on the next
1270 * available printer in the class.
1271 */
1272
1273 _cupsLangPrintFilter(stderr, "INFO",
1274 _("Unable to contact printer, queuing on next "
1275 "printer in class."));
1276
1277 ippDelete(supported);
1278 httpClose(http);
1279
1280 /*
1281 * Sleep 5 seconds to keep the job from requeuing too rapidly...
1282 */
1283
1284 sleep(5);
1285
1286 return (CUPS_BACKEND_FAILED);
1287 }
1288 }
1289
1290 /*
1291 * See if the printer supports multiple copies...
1292 */
1293
1294 copies = atoi(argv[4]);
1295
1296 if (copies_sup || argc < 7)
1297 copies_remaining = 1;
1298 else
1299 copies_remaining = copies;
1300
1301 /*
1302 * Prepare remaining printing options...
1303 */
1304
1305 options = NULL;
1306
1307 if (send_options)
1308 {
1309 num_options = cupsParseOptions(argv[5], 0, &options);
1310
1311 if (!cups_version && media_col_sup)
1312 {
1313 /*
1314 * Load the PPD file and generate PWG attribute mapping information...
1315 */
1316
1317 ppd_attr_t *mandatory; /* cupsMandatory value */
1318
1319 ppd = ppdOpenFile(getenv("PPD"));
1320 pc = _ppdCacheCreateWithPPD(ppd);
1321
1322 ppdMarkDefaults(ppd);
1323 cupsMarkOptions(ppd, num_options, options);
1324
1325 if ((mandatory = ppdFindAttr(ppd, "cupsMandatory", NULL)) != NULL)
1326 strlcpy(mandatory_attrs, mandatory->value, sizeof(mandatory_attrs));
1327 }
1328
1329 /*
1330 * Validate job-password/-encryption...
1331 */
1332
1333 if (cupsGetOption("job-password", num_options, options))
1334 {
1335 const char *keyword; /* job-password-encryption value */
1336 static const char * const hashes[] =
1337 { /* List of supported hash algorithms, in order of preference */
1338 "sha-512",
1339 "sha-384",
1340 "sha-512_256",
1341 "sha-512-224",
1342 "sha-256",
1343 "sha-224",
1344 "sha",
1345 "none"
1346 };
1347
1348 if ((keyword = cupsGetOption("job-password-encryption", num_options, options)) == NULL || !ippContainsString(encryption_sup, keyword))
1349 {
1350 /*
1351 * Either no job-password-encryption or the value isn't supported by
1352 * the printer...
1353 */
1354
1355 for (i = 0; i < (int)(sizeof(hashes) / sizeof(hashes[0])); i ++)
1356 if (ippContainsString(encryption_sup, hashes[i]))
1357 break;
1358
1359 if (i < (int)(sizeof(hashes) / sizeof(hashes[0])))
1360 num_options = cupsAddOption("job-password-encryption", hashes[i], num_options, &options);
1361 }
1362 }
1363 }
1364 else
1365 num_options = 0;
1366
1367 document_format = NULL;
1368
1369 if (format_sup != NULL)
1370 {
1371 if (ippContainsString(format_sup, final_content_type))
1372 document_format = final_content_type;
1373 else if (ippContainsString(format_sup, "application/octet-stream"))
1374 document_format = "application/octet-stream";
1375 }
1376
1377 fprintf(stderr, "DEBUG: final_content_type=\"%s\", document_format=\"%s\"\n",
1378 final_content_type, document_format ? document_format : "(null)");
1379
1380 /*
1381 * If the printer does not support HTTP/1.1 (which IPP requires), copy stdin
1382 * to a temporary file so that we can do a HTTP/1.0 submission...
1383 *
1384 * (I hate compatibility hacks!)
1385 */
1386
1387 if (http->version < HTTP_VERSION_1_1 && num_files == 0)
1388 {
1389 if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0)
1390 {
1391 perror("DEBUG: Unable to create temporary file");
1392 return (CUPS_BACKEND_FAILED);
1393 }
1394
1395 _cupsLangPrintFilter(stderr, "INFO", _("Copying print data."));
1396
1397 if ((compatsize = write(fd, buffer, (size_t)bytes)) < 0)
1398 {
1399 perror("DEBUG: Unable to write temporary file");
1400 return (CUPS_BACKEND_FAILED);
1401 }
1402
1403 if ((bytes = backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0,
1404 backendNetworkSideCB)) < 0)
1405 return (CUPS_BACKEND_FAILED);
1406
1407 compatsize += bytes;
1408
1409 close(fd);
1410
1411 compatfile = tmpfilename;
1412 files = &compatfile;
1413 num_files = 1;
1414 }
1415 else if (http->version < HTTP_VERSION_1_1 && num_files == 1)
1416 {
1417 struct stat fileinfo; /* File information */
1418
1419 if (!stat(files[0], &fileinfo))
1420 compatsize = fileinfo.st_size;
1421 }
1422
1423 /*
1424 * If the printer only claims to support IPP/1.0, or if the user specifically
1425 * included version=1.0 in the URI, then do not try to use Create-Job or
1426 * Send-Document. This is another dreaded compatibility hack, but
1427 * unfortunately there are enough broken printers out there that we need
1428 * this for now...
1429 */
1430
1431 if (version == 10)
1432 create_job = send_document = 0;
1433
1434 /*
1435 * Start monitoring the printer in the background...
1436 */
1437
1438 monitor.uri = uri;
1439 monitor.hostname = hostname;
1440 monitor.user = argv[2];
1441 monitor.resource = resource;
1442 monitor.port = port;
1443 monitor.version = version;
1444 monitor.job_id = 0;
1445 monitor.create_job = create_job;
1446 monitor.get_job_attrs = get_job_attrs;
1447 monitor.encryption = cupsEncryption();
1448 monitor.job_state = IPP_JSTATE_PENDING;
1449 monitor.printer_state = IPP_PSTATE_IDLE;
1450 monitor.retryable = argc == 6 && document_format && strcmp(document_format, "image/pwg-raster") && strcmp(document_format, "image/urf");
1451
1452 fprintf(stderr, "DEBUG: retryable=%d\n", monitor.retryable);
1453
1454 if (create_job)
1455 {
1456 monitor.job_name = argv[3];
1457 }
1458 else
1459 {
1460 snprintf(print_job_name, sizeof(print_job_name), "%s - %s", argv[1],
1461 argv[3]);
1462 monitor.job_name = print_job_name;
1463 }
1464
1465 _cupsThreadCreate((_cups_thread_func_t)monitor_printer, &monitor);
1466
1467 /*
1468 * Validate access to the printer...
1469 */
1470
1471 while (!job_canceled && validate_job)
1472 {
1473 request = new_request(IPP_OP_VALIDATE_JOB, version, uri, argv[2],
1474 monitor.job_name, num_options, options, compression,
1475 copies_sup ? copies : 1, document_format, pc, ppd,
1476 media_col_sup, doc_handling_sup, print_color_mode_sup);
1477
1478 response = cupsDoRequest(http, request, resource);
1479
1480 ipp_status = cupsLastError();
1481
1482 fprintf(stderr, "DEBUG: Validate-Job: %s (%s)\n",
1483 ippErrorString(ipp_status), cupsLastErrorString());
1484 debug_attributes(response);
1485
1486 if ((job_auth = ippFindAttribute(response, "job-authorization-uri",
1487 IPP_TAG_URI)) != NULL)
1488 num_options = cupsAddOption("job-authorization-uri",
1489 ippGetString(job_auth, 0, NULL), num_options,
1490 &options);
1491
1492 if (ipp_status == IPP_STATUS_OK_IGNORED_OR_SUBSTITUTED || ipp_status == IPP_STATUS_OK_CONFLICTING)
1493 {
1494 /*
1495 * One or more options are not supported...
1496 */
1497
1498 ipp_attribute_t *attr; /* Unsupported attribute */
1499
1500 if ((attr = ippFindAttribute(response, "sides", IPP_TAG_ZERO)) != NULL)
1501 {
1502 /*
1503 * The sides value is not supported, revert to one-sided as needed...
1504 */
1505
1506 const char *sides = cupsGetOption("sides", num_options, options);
1507
1508 if (!sides || !strncmp(sides, "two-sided-", 10))
1509 {
1510 fputs("DEBUG: Unable to do two-sided printing, setting sides to 'one-sided'.\n", stderr);
1511 num_options = cupsAddOption("sides", "one-sided", num_options, &options);
1512 }
1513 }
1514 }
1515
1516 ippDelete(response);
1517
1518 if (job_canceled)
1519 break;
1520
1521 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1522 ipp_status == IPP_STATUS_ERROR_BUSY)
1523 {
1524 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1525 sleep(10);
1526 }
1527 else if (ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED ||
1528 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
1529 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1530 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1531 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1532 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
1533 goto cleanup;
1534 else if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1535 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED ||
1536 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1537 {
1538 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1539 /* WWW-Authenticate field value */
1540
1541 if (!strncmp(www_auth, "Negotiate", 9))
1542 auth_info_required = "negotiate";
1543 else if (www_auth[0])
1544 auth_info_required = "username,password";
1545
1546 goto cleanup;
1547 }
1548 else if (ipp_status == IPP_STATUS_ERROR_OPERATION_NOT_SUPPORTED)
1549 {
1550 /*
1551 * This is all too common...
1552 */
1553
1554 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1555 "cups-ipp-missing-validate-job");
1556 break;
1557 }
1558 else if (ipp_status < IPP_STATUS_REDIRECTION_OTHER_SITE ||
1559 ipp_status == IPP_STATUS_ERROR_BAD_REQUEST)
1560 break;
1561 else if (job_auth == NULL && ipp_status > IPP_STATUS_ERROR_BAD_REQUEST)
1562 goto cleanup;
1563 }
1564
1565 /*
1566 * Then issue the print-job request...
1567 */
1568
1569 job_id = 0;
1570
1571 while (!job_canceled && copies_remaining > 0)
1572 {
1573 /*
1574 * Check for side-channel requests...
1575 */
1576
1577 backendCheckSideChannel(snmp_fd, http->hostaddr);
1578
1579 /*
1580 * Build the IPP job creation request...
1581 */
1582
1583 if (job_canceled)
1584 break;
1585
1586 request = new_request((num_files > 1 || create_job) ? IPP_OP_CREATE_JOB :
1587 IPP_OP_PRINT_JOB,
1588 version, uri, argv[2], monitor.job_name, num_options,
1589 options, compression, copies_sup ? copies : 1,
1590 document_format, pc, ppd, media_col_sup,
1591 doc_handling_sup, print_color_mode_sup);
1592
1593 /*
1594 * Do the request...
1595 */
1596
1597 if (num_files > 1 || create_job)
1598 response = cupsDoRequest(http, request, resource);
1599 else
1600 {
1601 size_t length = 0; /* Length of request */
1602
1603 if (compatsize > 0)
1604 {
1605 fputs("DEBUG: Sending file using HTTP/1.0 Content-Length...\n", stderr);
1606 length = ippLength(request) + (size_t)compatsize;
1607 }
1608 else
1609 fputs("DEBUG: Sending file using HTTP/1.1 chunking...\n", stderr);
1610
1611 http_status = cupsSendRequest(http, request, resource, length);
1612 if (http_status == HTTP_STATUS_CONTINUE && request->state == IPP_STATE_DATA)
1613 {
1614 if (compression && strcmp(compression, "none"))
1615 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression);
1616
1617 if (num_files == 1)
1618 {
1619 if ((fd = open(files[0], O_RDONLY)) < 0)
1620 {
1621 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1622 return (CUPS_BACKEND_FAILED);
1623 }
1624 }
1625 else
1626 {
1627 fd = 0;
1628 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes);
1629 }
1630
1631 while (http_status == HTTP_STATUS_CONTINUE &&
1632 (!job_canceled || compatsize > 0))
1633 {
1634 /*
1635 * Check for side-channel requests and more print data...
1636 */
1637
1638 FD_ZERO(&input);
1639 FD_SET(fd, &input);
1640 FD_SET(snmp_fd, &input);
1641 FD_SET(CUPS_SC_FD, &input);
1642
1643 while (select(fd > snmp_fd ? fd + 1 : snmp_fd + 1, &input, NULL, NULL,
1644 NULL) <= 0 && !job_canceled);
1645
1646 if (FD_ISSET(snmp_fd, &input))
1647 backendCheckSideChannel(snmp_fd, http->hostaddr);
1648
1649 if (FD_ISSET(fd, &input))
1650 {
1651 if ((bytes = read(fd, buffer, sizeof(buffer))) > 0)
1652 {
1653 fprintf(stderr, "DEBUG: Read %d bytes...\n", (int)bytes);
1654
1655 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes))
1656 != HTTP_STATUS_CONTINUE)
1657 break;
1658 }
1659 else if (bytes == 0 || (errno != EINTR && errno != EAGAIN))
1660 break;
1661 }
1662 }
1663
1664 if (http_status == HTTP_STATUS_ERROR)
1665 fprintf(stderr, "DEBUG: Error writing document data for "
1666 "Print-Job: %s\n", strerror(httpError(http)));
1667
1668 if (num_files == 1)
1669 close(fd);
1670 }
1671
1672 response = cupsGetResponse(http, resource);
1673 ippDelete(request);
1674 }
1675
1676 ipp_status = cupsLastError();
1677
1678 fprintf(stderr, "DEBUG: %s: %s (%s)\n",
1679 (num_files > 1 || create_job) ? "Create-Job" : "Print-Job",
1680 ippErrorString(ipp_status), cupsLastErrorString());
1681 debug_attributes(response);
1682
1683 if (ipp_status > IPP_STATUS_OK_CONFLICTING)
1684 {
1685 job_id = 0;
1686
1687 if (job_canceled)
1688 break;
1689
1690 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1691 ipp_status == IPP_STATUS_ERROR_NOT_POSSIBLE ||
1692 ipp_status == IPP_STATUS_ERROR_BUSY)
1693 {
1694 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1695 sleep(10);
1696
1697 if (num_files == 0)
1698 {
1699 /*
1700 * We can't re-submit when we have no files to print, so exit
1701 * immediately with the right status code...
1702 */
1703
1704 goto cleanup;
1705 }
1706 }
1707 else if (ipp_status == IPP_STATUS_ERROR_JOB_CANCELED ||
1708 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED ||
1709 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
1710 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1711 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1712 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1713 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
1714 goto cleanup;
1715 else
1716 {
1717 /*
1718 * Update auth-info-required as needed...
1719 */
1720
1721 _cupsLangPrintFilter(stderr, "ERROR",
1722 _("Print job was not accepted."));
1723
1724 if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1725 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1726 {
1727 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1728 /* WWW-Authenticate field value */
1729
1730 if (!strncmp(www_auth, "Negotiate", 9))
1731 auth_info_required = "negotiate";
1732 else if (www_auth[0])
1733 auth_info_required = "username,password";
1734 }
1735 else if (ipp_status == IPP_STATUS_ERROR_REQUEST_VALUE)
1736 {
1737 /*
1738 * Print file is too large, abort this job...
1739 */
1740
1741 goto cleanup;
1742 }
1743 else
1744 sleep(10);
1745
1746 if (num_files == 0)
1747 {
1748 /*
1749 * We can't re-submit when we have no files to print, so exit
1750 * immediately with the right status code...
1751 */
1752
1753 goto cleanup;
1754 }
1755 }
1756 }
1757 else if ((job_id_attr = ippFindAttribute(response, "job-id",
1758 IPP_TAG_INTEGER)) == NULL)
1759 {
1760 fputs("DEBUG: Print job accepted - job ID unknown.\n", stderr);
1761 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1762 "cups-ipp-missing-job-id");
1763 job_id = 0;
1764 }
1765 else
1766 {
1767 password_tries = 0;
1768 monitor.job_id = job_id = job_id_attr->values[0].integer;
1769 fprintf(stderr, "DEBUG: Print job accepted - job ID %d.\n", job_id);
1770 }
1771
1772 ippDelete(response);
1773
1774 if (job_canceled)
1775 break;
1776
1777 if (job_id && (num_files > 1 || create_job))
1778 {
1779 for (i = 0; num_files == 0 || i < num_files; i ++)
1780 {
1781 /*
1782 * Check for side-channel requests...
1783 */
1784
1785 backendCheckSideChannel(snmp_fd, http->hostaddr);
1786
1787 /*
1788 * Send the next file in the job...
1789 */
1790
1791 request = ippNewRequest(IPP_OP_SEND_DOCUMENT);
1792 ippSetVersion(request, version / 10, version % 10);
1793
1794 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
1795 NULL, uri);
1796
1797 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
1798 job_id);
1799
1800 if (argv[2][0])
1801 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1802 "requesting-user-name", NULL, argv[2]);
1803
1804 ippAddBoolean(request, IPP_TAG_OPERATION, "last-document",
1805 (i + 1) >= num_files);
1806
1807 if (document_format)
1808 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
1809 "document-format", NULL, document_format);
1810
1811 if (compression)
1812 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1813 "compression", NULL, compression);
1814
1815 fprintf(stderr, "DEBUG: Sending file %d using chunking...\n", i + 1);
1816 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, ippOpString(ippGetOperation(request)), ippGetRequestId(request));
1817 debug_attributes(request);
1818
1819 http_status = cupsSendRequest(http, request, resource, 0);
1820 if (http_status == HTTP_STATUS_CONTINUE && request->state == IPP_STATE_DATA)
1821 {
1822 if (compression && strcmp(compression, "none"))
1823 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression);
1824
1825 if (num_files == 0)
1826 {
1827 fd = 0;
1828 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes);
1829 }
1830 else
1831 {
1832 if ((fd = open(files[i], O_RDONLY)) < 0)
1833 {
1834 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1835 return (CUPS_BACKEND_FAILED);
1836 }
1837 }
1838 }
1839 else
1840 fd = -1;
1841
1842 if (fd >= 0)
1843 {
1844 while (!job_canceled && http_status == HTTP_STATUS_CONTINUE &&
1845 (bytes = read(fd, buffer, sizeof(buffer))) > 0)
1846 {
1847 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes))
1848 != HTTP_STATUS_CONTINUE)
1849 break;
1850 else
1851 {
1852 /*
1853 * Check for side-channel requests...
1854 */
1855
1856 backendCheckSideChannel(snmp_fd, http->hostaddr);
1857 }
1858 }
1859
1860 if (fd > 0)
1861 close(fd);
1862 }
1863
1864 if (http_status == HTTP_STATUS_ERROR)
1865 fprintf(stderr, "DEBUG: Error writing document data for "
1866 "Send-Document: %s\n", strerror(httpError(http)));
1867
1868 response = cupsGetResponse(http, resource);
1869 ippDelete(request);
1870
1871 fprintf(stderr, "DEBUG: Send-Document: %s (%s)\n", ippErrorString(cupsLastError()), cupsLastErrorString());
1872 debug_attributes(response);
1873
1874 if (cupsLastError() > IPP_STATUS_OK_CONFLICTING && !job_canceled)
1875 {
1876 ipp_attribute_t *reasons = ippFindAttribute(response, "job-state-reasons", IPP_TAG_KEYWORD);
1877 /* job-state-reasons values */
1878
1879 ipp_status = cupsLastError();
1880
1881 if (ippContainsString(reasons, "document-format-error"))
1882 ipp_status = IPP_STATUS_ERROR_DOCUMENT_FORMAT_ERROR;
1883 else if (ippContainsString(reasons, "document-unprintable"))
1884 ipp_status = IPP_STATUS_ERROR_DOCUMENT_UNPRINTABLE;
1885
1886 ippDelete(response);
1887 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to add document to print job."));
1888 break;
1889 }
1890 else
1891 {
1892 ippDelete(response);
1893
1894 password_tries = 0;
1895
1896 if (num_files == 0 || fd < 0)
1897 break;
1898 }
1899 }
1900 }
1901
1902 if (job_canceled)
1903 break;
1904
1905 if (ipp_status <= IPP_STATUS_OK_CONFLICTING && argc > 6)
1906 {
1907 fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1);
1908 copies_remaining --;
1909 }
1910 else if ((ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED || ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_ERROR || ipp_status == IPP_STATUS_ERROR_DOCUMENT_UNPRINTABLE) &&
1911 argc == 6 &&
1912 document_format && strcmp(document_format, "image/pwg-raster") && strcmp(document_format, "image/urf"))
1913 {
1914 /*
1915 * Need to reprocess the job as raster...
1916 */
1917
1918 fputs("JOBSTATE: cups-retry-as-raster\n", stderr);
1919 if (job_id > 0)
1920 cancel_job(http, uri, job_id, resource, argv[2], version);
1921
1922 goto cleanup;
1923 }
1924 else if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1925 ipp_status == IPP_STATUS_ERROR_NOT_POSSIBLE ||
1926 ipp_status == IPP_STATUS_ERROR_BUSY)
1927 {
1928 if (argc == 6)
1929 {
1930 /*
1931 * Need to reprocess the entire job; if we have a job ID, cancel the
1932 * job first...
1933 */
1934
1935 if (job_id > 0)
1936 cancel_job(http, uri, job_id, resource, argv[2], version);
1937
1938 goto cleanup;
1939 }
1940 continue;
1941 }
1942 else if (ipp_status == IPP_STATUS_ERROR_REQUEST_VALUE ||
1943 ipp_status == IPP_STATUS_ERROR_JOB_CANCELED ||
1944 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED ||
1945 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1946 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1947 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1948 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED ||
1949 ipp_status == IPP_STATUS_ERROR_INTERNAL)
1950 {
1951 /*
1952 * Print file is too large, job was canceled, we need new
1953 * authentication data, or we had some sort of error...
1954 */
1955
1956 goto cleanup;
1957 }
1958 else if (ipp_status == IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED)
1959 {
1960 /*
1961 * Server is configured incorrectly; the policy for Create-Job and
1962 * Send-Document has to be the same (auth or no auth, encryption or
1963 * no encryption). Force the queue to stop since printing will never
1964 * work.
1965 */
1966
1967 fputs("DEBUG: The server or printer is configured incorrectly.\n",
1968 stderr);
1969 fputs("DEBUG: The policy for Create-Job and Send-Document must have the "
1970 "same authentication and encryption requirements.\n", stderr);
1971
1972 ipp_status = IPP_STATUS_ERROR_INTERNAL;
1973
1974 if (job_id > 0)
1975 cancel_job(http, uri, job_id, resource, argv[2], version);
1976
1977 goto cleanup;
1978 }
1979 else if (ipp_status == IPP_STATUS_ERROR_NOT_FOUND)
1980 {
1981 /*
1982 * Printer does not actually implement support for Create-Job/
1983 * Send-Document, so log the conformance issue and stop the printer.
1984 */
1985
1986 fputs("DEBUG: This printer claims to support Create-Job and "
1987 "Send-Document, but those operations failed.\n", stderr);
1988 fputs("DEBUG: Add '?version=1.0' to the device URI to use legacy "
1989 "compatibility mode.\n", stderr);
1990 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1991 "cups-ipp-missing-send-document");
1992
1993 ipp_status = IPP_STATUS_ERROR_INTERNAL; /* Force queue to stop */
1994
1995 goto cleanup;
1996 }
1997 else
1998 copies_remaining --;
1999
2000 /*
2001 * Wait for the job to complete...
2002 */
2003
2004 if (!job_id || !waitjob || !get_job_attrs)
2005 continue;
2006
2007 fputs("STATE: +cups-waiting-for-job-completed\n", stderr);
2008
2009 _cupsLangPrintFilter(stderr, "INFO", _("Waiting for job to complete."));
2010
2011 for (delay = _cupsNextDelay(0, &prev_delay); !job_canceled;)
2012 {
2013 /*
2014 * Check for side-channel requests...
2015 */
2016
2017 backendCheckSideChannel(snmp_fd, http->hostaddr);
2018
2019 /*
2020 * Check printer state...
2021 */
2022
2023 check_printer_state(http, uri, resource, argv[2], version);
2024
2025 if (cupsLastError() <= IPP_STATUS_OK_CONFLICTING)
2026 password_tries = 0;
2027
2028 /*
2029 * Build an IPP_OP_GET_JOB_ATTRIBUTES request...
2030 */
2031
2032 request = ippNewRequest(IPP_OP_GET_JOB_ATTRIBUTES);
2033 ippSetVersion(request, version / 10, version % 10);
2034
2035 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2036 NULL, uri);
2037
2038 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
2039 job_id);
2040
2041 if (argv[2][0])
2042 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2043 "requesting-user-name", NULL, argv[2]);
2044
2045 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2046 "requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]),
2047 NULL, jattrs);
2048
2049 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, ippOpString(ippGetOperation(request)), ippGetRequestId(request));
2050 debug_attributes(request);
2051
2052 /*
2053 * Do the request...
2054 */
2055
2056 httpReconnect2(http, 30000, NULL);
2057 response = cupsDoRequest(http, request, resource);
2058 ipp_status = cupsLastError();
2059
2060 if (ipp_status == IPP_STATUS_ERROR_NOT_FOUND || ipp_status == IPP_STATUS_ERROR_NOT_POSSIBLE)
2061 {
2062 /*
2063 * Job has gone away and/or the server has no job history...
2064 */
2065
2066 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
2067 "cups-ipp-missing-job-history");
2068 ippDelete(response);
2069
2070 ipp_status = IPP_STATUS_OK;
2071 break;
2072 }
2073
2074 fprintf(stderr, "DEBUG: Get-Job-Attributes: %s (%s)\n",
2075 ippErrorString(ipp_status), cupsLastErrorString());
2076 debug_attributes(response);
2077
2078 if (ipp_status <= IPP_STATUS_OK_CONFLICTING)
2079 password_tries = 0;
2080 else
2081 {
2082 if (ipp_status != IPP_STATUS_ERROR_SERVICE_UNAVAILABLE &&
2083 ipp_status != IPP_STATUS_ERROR_BUSY)
2084 {
2085 ippDelete(response);
2086 ipp_status = IPP_STATUS_OK;
2087 break;
2088 }
2089 else if (ipp_status == IPP_STATUS_ERROR_INTERNAL)
2090 {
2091 waitjob_tries ++;
2092
2093 if (waitjob_tries > 4)
2094 {
2095 ippDelete(response);
2096 ipp_status = IPP_STATUS_OK;
2097 break;
2098 }
2099 }
2100 }
2101
2102 if (response)
2103 {
2104 if ((job_state = ippFindAttribute(response, "job-state",
2105 IPP_TAG_ENUM)) != NULL)
2106 {
2107 /*
2108 * Reflect the remote job state in the local queue...
2109 */
2110
2111 if (cups_version &&
2112 job_state->values[0].integer >= IPP_JSTATE_PENDING &&
2113 job_state->values[0].integer <= IPP_JSTATE_COMPLETED)
2114 update_reasons(NULL,
2115 remote_job_states[job_state->values[0].integer -
2116 IPP_JSTATE_PENDING]);
2117
2118 if ((job_sheets = ippFindAttribute(response, "job-impressions-completed", IPP_TAG_INTEGER)) == NULL)
2119 job_sheets = ippFindAttribute(response, "job-media-sheets-completed", IPP_TAG_INTEGER);
2120
2121 if (job_sheets)
2122 fprintf(stderr, "PAGE: total %d\n",
2123 job_sheets->values[0].integer);
2124
2125 /*
2126 * Stop polling if the job is finished or pending-held...
2127 */
2128
2129 if (job_state->values[0].integer > IPP_JSTATE_STOPPED || job_state->values[0].integer == IPP_JSTATE_HELD)
2130 {
2131 ippDelete(response);
2132 break;
2133 }
2134 }
2135 else if (ipp_status != IPP_STATUS_ERROR_SERVICE_UNAVAILABLE &&
2136 ipp_status != IPP_STATUS_ERROR_NOT_POSSIBLE &&
2137 ipp_status != IPP_STATUS_ERROR_BUSY)
2138 {
2139 /*
2140 * If the printer does not return a job-state attribute, it does not
2141 * conform to the IPP specification - break out immediately and fail
2142 * the job...
2143 */
2144
2145 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
2146 "cups-ipp-missing-job-state");
2147 ipp_status = IPP_STATUS_ERROR_INTERNAL;
2148 break;
2149 }
2150 }
2151
2152 ippDelete(response);
2153
2154 /*
2155 * Wait before polling again...
2156 */
2157
2158 sleep((unsigned)delay);
2159
2160 delay = _cupsNextDelay(delay, &prev_delay);
2161 }
2162 }
2163
2164 /*
2165 * Cancel the job as needed...
2166 */
2167
2168 if (job_canceled > 0 && job_id > 0)
2169 {
2170 cancel_job(http, uri, job_id, resource, argv[2], version);
2171
2172 if (cupsLastError() > IPP_STATUS_OK_CONFLICTING)
2173 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
2174 }
2175
2176 /*
2177 * Check the printer state and report it if necessary...
2178 */
2179
2180 check_printer_state(http, uri, resource, argv[2], version);
2181
2182 if (cupsLastError() <= IPP_STATUS_OK_CONFLICTING)
2183 password_tries = 0;
2184
2185 /*
2186 * Collect the final page count as needed...
2187 */
2188
2189 if (have_supplies &&
2190 !backendSNMPSupplies(snmp_fd, &(http->addrlist->addr), &page_count,
2191 NULL) &&
2192 page_count > start_count)
2193 fprintf(stderr, "PAGE: total %d\n", page_count - start_count);
2194
2195 #ifdef HAVE_GSSAPI
2196 /*
2197 * See if we used Kerberos at all...
2198 */
2199
2200 if (http->gssctx)
2201 auth_info_required = "negotiate";
2202 #endif /* HAVE_GSSAPI */
2203
2204 /*
2205 * Free memory...
2206 */
2207
2208 cleanup:
2209
2210 cupsFreeOptions(num_options, options);
2211 _ppdCacheDestroy(pc);
2212 ppdClose(ppd);
2213
2214 httpClose(http);
2215
2216 ippDelete(supported);
2217
2218 /*
2219 * Remove the temporary file(s) if necessary...
2220 */
2221
2222 if (tmpfilename[0])
2223 unlink(tmpfilename);
2224
2225 /*
2226 * Return the queue status...
2227 */
2228
2229 if (ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED || ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
2230 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED ||
2231 ipp_status <= IPP_STATUS_OK_CONFLICTING)
2232 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
2233
2234 if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED)
2235 fputs("JOBSTATE: account-info-needed\n", stderr);
2236 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED)
2237 fputs("JOBSTATE: account-closed\n", stderr);
2238 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED)
2239 fputs("JOBSTATE: account-limit-reached\n", stderr);
2240 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
2241 fputs("JOBSTATE: account-authorization-failed\n", stderr);
2242
2243 if (job_canceled)
2244 return (CUPS_BACKEND_OK);
2245 else if (ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED || ipp_status == IPP_STATUS_ERROR_FORBIDDEN || ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
2246 return (CUPS_BACKEND_AUTH_REQUIRED);
2247 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
2248 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
2249 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
2250 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
2251 return (CUPS_BACKEND_HOLD);
2252 else if (ipp_status == IPP_STATUS_ERROR_INTERNAL)
2253 return (CUPS_BACKEND_STOP);
2254 else if (ipp_status == IPP_STATUS_ERROR_CONFLICTING || ipp_status == IPP_STATUS_ERROR_REQUEST_ENTITY || ipp_status == IPP_STATUS_ERROR_REQUEST_VALUE)
2255 return (CUPS_BACKEND_FAILED);
2256 else if (ipp_status == IPP_STATUS_ERROR_REQUEST_VALUE ||
2257 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
2258 ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED || job_canceled < 0)
2259 {
2260 if (ipp_status == IPP_STATUS_ERROR_REQUEST_VALUE)
2261 _cupsLangPrintFilter(stderr, "ERROR", _("Print job too large."));
2262 else if (ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED)
2263 _cupsLangPrintFilter(stderr, "ERROR",
2264 _("Printer cannot print supplied content."));
2265 else if (ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES)
2266 _cupsLangPrintFilter(stderr, "ERROR",
2267 _("Printer cannot print with supplied options."));
2268 else
2269 _cupsLangPrintFilter(stderr, "ERROR", _("Print job canceled at printer."));
2270
2271 return (CUPS_BACKEND_CANCEL);
2272 }
2273 else if (ipp_status > IPP_STATUS_OK_CONFLICTING && ipp_status != IPP_STATUS_ERROR_JOB_CANCELED)
2274 return (CUPS_BACKEND_RETRY_CURRENT);
2275 else
2276 return (CUPS_BACKEND_OK);
2277 }
2278
2279
2280 /*
2281 * 'cancel_job()' - Cancel a print job.
2282 */
2283
2284 static void
cancel_job(http_t * http,const char * uri,int id,const char * resource,const char * user,int version)2285 cancel_job(http_t *http, /* I - HTTP connection */
2286 const char *uri, /* I - printer-uri */
2287 int id, /* I - job-id */
2288 const char *resource, /* I - Resource path */
2289 const char *user, /* I - requesting-user-name */
2290 int version) /* I - IPP version */
2291 {
2292 ipp_t *request; /* Cancel-Job request */
2293
2294
2295 _cupsLangPrintFilter(stderr, "INFO", _("Canceling print job."));
2296
2297 request = ippNewRequest(IPP_OP_CANCEL_JOB);
2298 ippSetVersion(request, version / 10, version % 10);
2299
2300 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2301 NULL, uri);
2302 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", id);
2303
2304 if (user && user[0])
2305 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2306 "requesting-user-name", NULL, user);
2307
2308 /*
2309 * Do the request...
2310 */
2311
2312 ippDelete(cupsDoRequest(http, request, resource));
2313 }
2314
2315
2316 /*
2317 * 'check_printer_state()' - Check the printer state.
2318 */
2319
2320 static ipp_pstate_t /* O - Current printer-state */
check_printer_state(http_t * http,const char * uri,const char * resource,const char * user,int version)2321 check_printer_state(
2322 http_t *http, /* I - HTTP connection */
2323 const char *uri, /* I - Printer URI */
2324 const char *resource, /* I - Resource path */
2325 const char *user, /* I - Username, if any */
2326 int version) /* I - IPP version */
2327 {
2328 ipp_t *request, /* IPP request */
2329 *response; /* IPP response */
2330 ipp_attribute_t *attr; /* Attribute in response */
2331 ipp_pstate_t printer_state = IPP_PSTATE_STOPPED;
2332 /* Current printer-state */
2333
2334
2335 /*
2336 * Send a Get-Printer-Attributes request and log the results...
2337 */
2338
2339 request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES);
2340 ippSetVersion(request, version / 10, version % 10);
2341
2342 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2343 NULL, uri);
2344
2345 if (user && user[0])
2346 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2347 "requesting-user-name", NULL, user);
2348
2349 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2350 "requested-attributes",
2351 (int)(sizeof(pattrs) / sizeof(pattrs[0])), NULL, pattrs);
2352
2353 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, ippOpString(ippGetOperation(request)), ippGetRequestId(request));
2354 debug_attributes(request);
2355
2356 if ((response = cupsDoRequest(http, request, resource)) != NULL)
2357 {
2358 report_printer_state(response);
2359
2360 if ((attr = ippFindAttribute(response, "printer-state",
2361 IPP_TAG_ENUM)) != NULL)
2362 printer_state = (ipp_pstate_t)attr->values[0].integer;
2363 }
2364
2365 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
2366 ippErrorString(cupsLastError()), cupsLastErrorString());
2367 debug_attributes(response);
2368 ippDelete(response);
2369
2370 /*
2371 * Return the printer-state value...
2372 */
2373
2374 return (printer_state);
2375 }
2376
2377
2378 /*
2379 * 'debug_attributes()' - Print out the request or response attributes as DEBUG
2380 * messages...
2381 */
2382
2383 static void
debug_attributes(ipp_t * ipp)2384 debug_attributes(ipp_t *ipp) /* I - Request or response message */
2385 {
2386 ipp_tag_t group; /* Current group */
2387 ipp_attribute_t *attr; /* Current attribute */
2388 char buffer[1024]; /* Value buffer */
2389
2390
2391 for (group = IPP_TAG_ZERO, attr = ippFirstAttribute(ipp);
2392 attr;
2393 attr = ippNextAttribute(ipp))
2394 {
2395 const char *name = ippGetName(attr);
2396
2397 if (!name)
2398 {
2399 group = IPP_TAG_ZERO;
2400 continue;
2401 }
2402
2403 if (group != ippGetGroupTag(attr))
2404 {
2405 group = ippGetGroupTag(attr);
2406 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(group));
2407 }
2408
2409 if (!strcmp(name, "job-password"))
2410 strlcpy(buffer, "---", sizeof(buffer));
2411 else
2412 ippAttributeString(attr, buffer, sizeof(buffer));
2413
2414 fprintf(stderr, "DEBUG: %s %s%s %s\n", name,
2415 ippGetCount(attr) > 1 ? "1setOf " : "",
2416 ippTagString(ippGetValueTag(attr)), buffer);
2417 }
2418
2419 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(IPP_TAG_END));
2420 }
2421
2422
2423 /*
2424 * 'monitor_printer()' - Monitor the printer state.
2425 */
2426
2427 static void * /* O - Thread exit code */
monitor_printer(_cups_monitor_t * monitor)2428 monitor_printer(
2429 _cups_monitor_t *monitor) /* I - Monitoring data */
2430 {
2431 http_t *http; /* Connection to printer */
2432 ipp_t *request, /* IPP request */
2433 *response; /* IPP response */
2434 ipp_attribute_t *attr; /* Attribute in response */
2435 int delay, /* Current delay */
2436 prev_delay; /* Previous delay */
2437 ipp_op_t job_op; /* Operation to use */
2438 int job_id; /* Job ID */
2439 const char *job_name; /* Job name */
2440 ipp_jstate_t job_state; /* Job state */
2441 const char *job_user; /* Job originating user name */
2442 int password_tries = 0; /* Password tries */
2443
2444
2445 /*
2446 * Make a copy of the printer connection...
2447 */
2448
2449 http = httpConnect2(monitor->hostname, monitor->port, NULL, AF_UNSPEC,
2450 monitor->encryption, 1, 0, NULL);
2451 httpSetTimeout(http, 30.0, timeout_cb, NULL);
2452 if (username[0])
2453 cupsSetUser(username);
2454
2455 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries);
2456
2457 /*
2458 * Loop until the job is canceled, aborted, or completed.
2459 */
2460
2461 delay = _cupsNextDelay(0, &prev_delay);
2462
2463 monitor->job_reasons = 0;
2464
2465 while (monitor->job_state < IPP_JSTATE_CANCELED && !job_canceled)
2466 {
2467 /*
2468 * Reconnect to the printer as needed...
2469 */
2470
2471 if (httpGetFd(http) < 0)
2472 httpReconnect2(http, 30000, NULL);
2473
2474 if (httpGetFd(http) >= 0)
2475 {
2476 /*
2477 * Connected, so check on the printer state...
2478 */
2479
2480 monitor->printer_state = check_printer_state(http, monitor->uri,
2481 monitor->resource,
2482 monitor->user,
2483 monitor->version);
2484 if (cupsLastError() <= IPP_STATUS_OK_CONFLICTING)
2485 password_tries = 0;
2486
2487 if (monitor->job_id == 0 && monitor->create_job)
2488 {
2489 /*
2490 * No job-id yet, so continue...
2491 */
2492
2493 goto monitor_sleep;
2494 }
2495
2496 /*
2497 * Check the status of the job itself...
2498 */
2499
2500 job_op = (monitor->job_id > 0 && monitor->get_job_attrs) ?
2501 IPP_OP_GET_JOB_ATTRIBUTES : IPP_OP_GET_JOBS;
2502 request = ippNewRequest(job_op);
2503 ippSetVersion(request, monitor->version / 10, monitor->version % 10);
2504
2505 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2506 NULL, monitor->uri);
2507 if (job_op == IPP_OP_GET_JOB_ATTRIBUTES)
2508 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
2509 monitor->job_id);
2510
2511 if (monitor->user && monitor->user[0])
2512 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2513 "requesting-user-name", NULL, monitor->user);
2514
2515 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2516 "requested-attributes",
2517 (int)(sizeof(jattrs) / sizeof(jattrs[0])), NULL, jattrs);
2518
2519 /*
2520 * Do the request...
2521 */
2522
2523 response = cupsDoRequest(http, request, monitor->resource);
2524
2525 fprintf(stderr, "DEBUG: (monitor) %s: %s (%s)\n", ippOpString(job_op),
2526 ippErrorString(cupsLastError()), cupsLastErrorString());
2527
2528 if (cupsLastError() <= IPP_STATUS_OK_CONFLICTING)
2529 password_tries = 0;
2530
2531 if (job_op == IPP_OP_GET_JOB_ATTRIBUTES)
2532 {
2533 if ((attr = ippFindAttribute(response, "job-state",
2534 IPP_TAG_ENUM)) != NULL)
2535 monitor->job_state = (ipp_jstate_t)attr->values[0].integer;
2536 else
2537 monitor->job_state = IPP_JSTATE_COMPLETED;
2538 }
2539 else if (response)
2540 {
2541 for (attr = response->attrs; attr; attr = attr->next)
2542 {
2543 job_id = 0;
2544 job_name = NULL;
2545 job_state = IPP_JSTATE_PENDING;
2546 job_user = NULL;
2547
2548 while (attr && attr->group_tag != IPP_TAG_JOB)
2549 attr = attr->next;
2550
2551 if (!attr)
2552 break;
2553
2554 while (attr && attr->group_tag == IPP_TAG_JOB)
2555 {
2556 if (!strcmp(attr->name, "job-id") &&
2557 attr->value_tag == IPP_TAG_INTEGER)
2558 job_id = attr->values[0].integer;
2559 else if (!strcmp(attr->name, "job-name") &&
2560 (attr->value_tag == IPP_TAG_NAME ||
2561 attr->value_tag == IPP_TAG_NAMELANG))
2562 job_name = attr->values[0].string.text;
2563 else if (!strcmp(attr->name, "job-state") &&
2564 attr->value_tag == IPP_TAG_ENUM)
2565 job_state = (ipp_jstate_t)attr->values[0].integer;
2566 else if (!strcmp(attr->name, "job-originating-user-name") &&
2567 (attr->value_tag == IPP_TAG_NAME ||
2568 attr->value_tag == IPP_TAG_NAMELANG))
2569 job_user = attr->values[0].string.text;
2570
2571 attr = attr->next;
2572 }
2573
2574 if (job_id > 0 && job_name && !strcmp(job_name, monitor->job_name) &&
2575 job_user && monitor->user && !strcmp(job_user, monitor->user))
2576 {
2577 monitor->job_id = job_id;
2578 monitor->job_state = job_state;
2579 break;
2580 }
2581
2582 if (!attr)
2583 break;
2584 }
2585 }
2586
2587 fprintf(stderr, "DEBUG: (monitor) job-state = %s\n", ippEnumString("job-state", (int)monitor->job_state));
2588
2589 if (!job_canceled &&
2590 (monitor->job_state == IPP_JSTATE_CANCELED ||
2591 monitor->job_state == IPP_JSTATE_ABORTED))
2592 {
2593 job_canceled = -1;
2594 fprintf(stderr, "DEBUG: (monitor) job_canceled = -1\n");
2595 }
2596
2597 if ((attr = ippFindAttribute(response, "job-state-reasons",
2598 IPP_TAG_KEYWORD)) != NULL)
2599 {
2600 int i, new_reasons = 0; /* Looping var, new reasons */
2601
2602 for (i = 0; i < attr->num_values; i ++)
2603 {
2604 if (!strcmp(attr->values[i].string.text, "account-authorization-failed"))
2605 new_reasons |= _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED;
2606 else if (!strcmp(attr->values[i].string.text, "account-closed"))
2607 new_reasons |= _CUPS_JSR_ACCOUNT_CLOSED;
2608 else if (!strcmp(attr->values[i].string.text, "account-info-needed"))
2609 new_reasons |= _CUPS_JSR_ACCOUNT_INFO_NEEDED;
2610 else if (!strcmp(attr->values[i].string.text, "account-limit-reached"))
2611 new_reasons |= _CUPS_JSR_ACCOUNT_LIMIT_REACHED;
2612 else if (!strcmp(attr->values[i].string.text, "job-password-wait"))
2613 new_reasons |= _CUPS_JSR_JOB_PASSWORD_WAIT;
2614 else if (!strcmp(attr->values[i].string.text, "job-release-wait"))
2615 new_reasons |= _CUPS_JSR_JOB_RELEASE_WAIT;
2616 else if (!strcmp(attr->values[i].string.text, "document-format-error"))
2617 new_reasons |= _CUPS_JSR_DOCUMENT_FORMAT_ERROR;
2618 else if (!strcmp(attr->values[i].string.text, "document-unprintable"))
2619 new_reasons |= _CUPS_JSR_DOCUMENT_UNPRINTABLE;
2620
2621 if (!job_canceled && (!strncmp(attr->values[i].string.text, "job-canceled-", 13) || !strcmp(attr->values[i].string.text, "aborted-by-system")))
2622 job_canceled = 1;
2623 }
2624
2625 if (new_reasons != monitor->job_reasons)
2626 {
2627 if (new_reasons & _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED)
2628 fputs("JOBSTATE: account-authorization-failed\n", stderr);
2629 else if (new_reasons & _CUPS_JSR_ACCOUNT_CLOSED)
2630 fputs("JOBSTATE: account-closed\n", stderr);
2631 else if (new_reasons & _CUPS_JSR_ACCOUNT_INFO_NEEDED)
2632 fputs("JOBSTATE: account-info-needed\n", stderr);
2633 else if (new_reasons & _CUPS_JSR_ACCOUNT_LIMIT_REACHED)
2634 fputs("JOBSTATE: account-limit-reached\n", stderr);
2635 else if (new_reasons & _CUPS_JSR_JOB_PASSWORD_WAIT)
2636 fputs("JOBSTATE: job-password-wait\n", stderr);
2637 else if (new_reasons & _CUPS_JSR_JOB_RELEASE_WAIT)
2638 fputs("JOBSTATE: job-release-wait\n", stderr);
2639 else if (new_reasons & (_CUPS_JSR_DOCUMENT_FORMAT_ERROR | _CUPS_JSR_DOCUMENT_UNPRINTABLE))
2640 {
2641 if (monitor->retryable)
2642 {
2643 /*
2644 * Can't print this, so retry as raster...
2645 */
2646
2647 job_canceled = 1;
2648 fputs("JOBSTATE: cups-retry-as-raster\n", stderr);
2649 }
2650 else if (new_reasons & _CUPS_JSR_DOCUMENT_FORMAT_ERROR)
2651 {
2652 fputs("JOBSTATE: document-format-error\n", stderr);
2653 }
2654 else
2655 {
2656 fputs("JOBSTATE: document-unprintable\n", stderr);
2657 }
2658 }
2659 else
2660 fputs("JOBSTATE: job-printing\n", stderr);
2661
2662 monitor->job_reasons = new_reasons;
2663 }
2664 }
2665
2666 ippDelete(response);
2667
2668 fprintf(stderr, "DEBUG: (monitor) job-state = %s\n", ippEnumString("job-state", (int)monitor->job_state));
2669
2670 if (!job_canceled &&
2671 (monitor->job_state == IPP_JSTATE_CANCELED ||
2672 monitor->job_state == IPP_JSTATE_ABORTED))
2673 job_canceled = -1;
2674 }
2675
2676 /*
2677 * Sleep for N seconds...
2678 */
2679
2680 monitor_sleep:
2681
2682 sleep((unsigned)delay);
2683
2684 delay = _cupsNextDelay(delay, &prev_delay);
2685 }
2686
2687 /*
2688 * Cancel the job if necessary...
2689 */
2690
2691 if (job_canceled > 0 && monitor->job_id > 0)
2692 {
2693 if (httpGetFd(http) < 0)
2694 httpReconnect2(http, 30000, NULL);
2695
2696 if (httpGetFd(http) >= 0)
2697 {
2698 cancel_job(http, monitor->uri, monitor->job_id, monitor->resource,
2699 monitor->user, monitor->version);
2700
2701 if (cupsLastError() > IPP_STATUS_OK_CONFLICTING)
2702 {
2703 fprintf(stderr, "DEBUG: (monitor) cancel_job() = %s\n", cupsLastErrorString());
2704 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
2705 }
2706 }
2707 }
2708
2709 /*
2710 * Cleanup and return...
2711 */
2712
2713 httpClose(http);
2714
2715 return (NULL);
2716 }
2717
2718
2719 /*
2720 * 'new_request()' - Create a new print creation or validation request.
2721 */
2722
2723 static ipp_t * /* O - Request data */
new_request(ipp_op_t op,int version,const char * uri,const char * user,const char * title,int num_options,cups_option_t * options,const char * compression,int copies,const char * format,_ppd_cache_t * pc,ppd_file_t * ppd,ipp_attribute_t * media_col_sup,ipp_attribute_t * doc_handling_sup,ipp_attribute_t * print_color_mode_sup)2724 new_request(
2725 ipp_op_t op, /* I - IPP operation code */
2726 int version, /* I - IPP version number */
2727 const char *uri, /* I - printer-uri value */
2728 const char *user, /* I - requesting-user-name value */
2729 const char *title, /* I - job-name value */
2730 int num_options, /* I - Number of options to send */
2731 cups_option_t *options, /* I - Options to send */
2732 const char *compression, /* I - compression value or NULL */
2733 int copies, /* I - copies value or 0 */
2734 const char *format, /* I - document-format value or NULL */
2735 _ppd_cache_t *pc, /* I - PPD cache and mapping data */
2736 ppd_file_t *ppd, /* I - PPD file data */
2737 ipp_attribute_t *media_col_sup, /* I - media-col-supported values */
2738 ipp_attribute_t *doc_handling_sup, /* I - multiple-document-handling-supported values */
2739 ipp_attribute_t *print_color_mode_sup)
2740 /* I - Printer supports print-color-mode */
2741 {
2742 ipp_t *request; /* Request data */
2743 const char *keyword; /* PWG keyword */
2744
2745
2746 /*
2747 * Create the IPP request...
2748 */
2749
2750 request = ippNewRequest(op);
2751 ippSetVersion(request, version / 10, version % 10);
2752
2753 fprintf(stderr, "DEBUG: %s IPP/%d.%d\n",
2754 ippOpString(request->request.op.operation_id),
2755 request->request.op.version[0],
2756 request->request.op.version[1]);
2757
2758 /*
2759 * Add standard attributes...
2760 */
2761
2762 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
2763 fprintf(stderr, "DEBUG: printer-uri=\"%s\"\n", uri);
2764
2765 if (user && *user)
2766 {
2767 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, user);
2768 fprintf(stderr, "DEBUG: requesting-user-name=\"%s\"\n", user);
2769 }
2770
2771 if (title && *title)
2772 {
2773 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, title);
2774 fprintf(stderr, "DEBUG: job-name=\"%s\"\n", title);
2775 }
2776
2777 if (format && op != IPP_OP_CREATE_JOB)
2778 {
2779 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format", NULL, format);
2780 fprintf(stderr, "DEBUG: document-format=\"%s\"\n", format);
2781 }
2782
2783 #ifdef HAVE_LIBZ
2784 if (compression && op != IPP_OP_CREATE_JOB && op != IPP_OP_VALIDATE_JOB)
2785 {
2786 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "compression", NULL, compression);
2787 fprintf(stderr, "DEBUG: compression=\"%s\"\n", compression);
2788 }
2789 #endif /* HAVE_LIBZ */
2790
2791 /*
2792 * Handle options on the command-line...
2793 */
2794
2795 if (num_options > 0)
2796 {
2797 if (pc)
2798 {
2799 /*
2800 * Send standard IPP attributes...
2801 */
2802
2803 fputs("DEBUG: Adding standard IPP operation/job attributes.\n", stderr);
2804
2805 copies = _cupsConvertOptions(request, ppd, pc, media_col_sup, doc_handling_sup, print_color_mode_sup, user, format, copies, num_options, options);
2806
2807 /*
2808 * Map FaxOut options...
2809 */
2810
2811 if ((keyword = cupsGetOption("phone", num_options, options)) != NULL)
2812 {
2813 ipp_t *destination; /* destination collection */
2814 char phone[1024], /* Phone number string */
2815 *ptr, /* Pointer into string */
2816 tel_uri[1024]; /* tel: URI */
2817 static const char * const allowed = "0123456789#*-+.()pw";
2818 /* Allowed characters */
2819
2820 destination = ippNew();
2821
2822 /*
2823 * Unescape and filter out spaces and other characters that are not
2824 * allowed in a tel: URI.
2825 */
2826
2827 _httpDecodeURI(phone, keyword, sizeof(phone));
2828 for (ptr = phone; *ptr;)
2829 {
2830 if (*ptr == ',')
2831 *ptr = 'p';
2832 else if (!strchr(allowed, *ptr))
2833 _cups_strcpy(ptr, ptr + 1);
2834 else
2835 ptr ++;
2836 }
2837
2838 httpAssembleURI(HTTP_URI_CODING_ALL, tel_uri, sizeof(tel_uri), "tel", NULL, NULL, 0, phone);
2839 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_URI, "destination-uri", NULL, tel_uri);
2840
2841 if ((keyword = cupsGetOption("faxPrefix", num_options,
2842 options)) != NULL && *keyword)
2843 {
2844 char predial[1024]; /* Pre-dial string */
2845
2846 _httpDecodeURI(predial, keyword, sizeof(predial));
2847 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_TEXT, "pre-dial-string", NULL, predial);
2848 }
2849
2850 ippAddCollection(request, IPP_TAG_JOB, "destination-uris", destination);
2851 ippDelete(destination);
2852 }
2853 }
2854 else
2855 {
2856 /*
2857 * When talking to another CUPS server, send all options...
2858 */
2859
2860 fputs("DEBUG: Adding all operation/job attributes.\n", stderr);
2861 cupsEncodeOptions2(request, num_options, options, IPP_TAG_OPERATION);
2862 cupsEncodeOptions2(request, num_options, options, IPP_TAG_JOB);
2863 }
2864
2865 if (copies > 1 && (!pc || copies <= pc->max_copies))
2866 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", copies);
2867 }
2868
2869 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, ippOpString(ippGetOperation(request)), ippGetRequestId(request));
2870 debug_attributes(request);
2871
2872 return (request);
2873 }
2874
2875
2876 /*
2877 * 'password_cb()' - Disable the password prompt for cupsDoFileRequest().
2878 */
2879
2880 static const char * /* O - Password */
password_cb(const char * prompt,http_t * http,const char * method,const char * resource,int * password_tries)2881 password_cb(const char *prompt, /* I - Prompt (not used) */
2882 http_t *http, /* I - Connection */
2883 const char *method, /* I - Request method (not used) */
2884 const char *resource, /* I - Resource path (not used) */
2885 int *password_tries) /* I - Password tries */
2886 {
2887 char def_username[HTTP_MAX_VALUE]; /* Default username */
2888
2889
2890 fprintf(stderr, "DEBUG: password_cb(prompt=\"%s\", http=%p, method=\"%s\", "
2891 "resource=\"%s\", password_tries=%p(%d)), password=%p\n",
2892 prompt, http, method, resource, password_tries, *password_tries,
2893 password);
2894
2895 (void)prompt;
2896 (void)method;
2897 (void)resource;
2898
2899 if (!uri_credentials)
2900 {
2901 /*
2902 * Remember that we need to authenticate...
2903 */
2904
2905 auth_info_required = "username,password";
2906
2907 if (httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "username",
2908 def_username))
2909 {
2910 char quoted[HTTP_MAX_VALUE * 2 + 4];
2911 /* Quoted string */
2912
2913 fprintf(stderr, "ATTR: auth-info-default=%s,\n",
2914 quote_string(def_username, quoted, sizeof(quoted)));
2915 }
2916 }
2917
2918 if (password && *password && *password_tries < 3)
2919 {
2920 (*password_tries) ++;
2921
2922 cupsSetUser(username);
2923
2924 return (password);
2925 }
2926 else
2927 {
2928 /*
2929 * Give up after 3 tries or if we don't have a password to begin with...
2930 */
2931
2932 return (NULL);
2933 }
2934 }
2935
2936
2937 /*
2938 * 'quote_string()' - Quote a string value.
2939 */
2940
2941 static const char * /* O - Quoted string */
quote_string(const char * s,char * q,size_t qsize)2942 quote_string(const char *s, /* I - String */
2943 char *q, /* I - Quoted string buffer */
2944 size_t qsize) /* I - Size of quoted string buffer */
2945 {
2946 char *qptr, /* Pointer into string buffer */
2947 *qend; /* End of string buffer */
2948
2949
2950 qptr = q;
2951 qend = q + qsize - 5;
2952
2953 if (qend < q)
2954 {
2955 *q = '\0';
2956 return (q);
2957 }
2958
2959 *qptr++ = '\'';
2960 *qptr++ = '\"';
2961
2962 while (*s && qptr < qend)
2963 {
2964 if (*s == '\\' || *s == '\"' || *s == '\'')
2965 {
2966 if (qptr < (qend - 4))
2967 {
2968 *qptr++ = '\\';
2969 *qptr++ = '\\';
2970 *qptr++ = '\\';
2971 }
2972 else
2973 break;
2974 }
2975
2976 *qptr++ = *s++;
2977 }
2978
2979 *qptr++ = '\"';
2980 *qptr++ = '\'';
2981 *qptr = '\0';
2982
2983 return (q);
2984 }
2985
2986
2987 /*
2988 * 'report_attr()' - Report an IPP attribute value.
2989 */
2990
2991 static void
report_attr(ipp_attribute_t * attr)2992 report_attr(ipp_attribute_t *attr) /* I - Attribute */
2993 {
2994 int i; /* Looping var */
2995 char value[1024], /* Value string */
2996 *valptr; /* Pointer into value string */
2997 const char *cached; /* Cached attribute */
2998
2999
3000 /*
3001 * Convert the attribute values into quoted strings...
3002 */
3003
3004 for (i = 0, valptr = value;
3005 i < attr->num_values && valptr < (value + sizeof(value) - 10);
3006 i ++)
3007 {
3008 if (i > 0)
3009 *valptr++ = ',';
3010
3011 switch (attr->value_tag)
3012 {
3013 case IPP_TAG_INTEGER :
3014 case IPP_TAG_ENUM :
3015 snprintf(valptr, sizeof(value) - (size_t)(valptr - value), "%d", attr->values[i].integer);
3016 valptr += strlen(valptr);
3017 break;
3018
3019 case IPP_TAG_TEXT :
3020 case IPP_TAG_NAME :
3021 case IPP_TAG_KEYWORD :
3022 quote_string(attr->values[i].string.text, valptr, (size_t)(value + sizeof(value) - valptr));
3023 valptr += strlen(valptr);
3024 break;
3025
3026 default :
3027 /*
3028 * Unsupported value type...
3029 */
3030
3031 return;
3032 }
3033 }
3034
3035 *valptr = '\0';
3036
3037 _cupsMutexLock(&report_mutex);
3038
3039 if ((cached = cupsGetOption(attr->name, num_attr_cache,
3040 attr_cache)) == NULL || strcmp(cached, value))
3041 {
3042 /*
3043 * Tell the scheduler about the new values...
3044 */
3045
3046 num_attr_cache = cupsAddOption(attr->name, value, num_attr_cache,
3047 &attr_cache);
3048 fprintf(stderr, "ATTR: %s=%s\n", attr->name, value);
3049 }
3050
3051 _cupsMutexUnlock(&report_mutex);
3052 }
3053
3054
3055 /*
3056 * 'report_printer_state()' - Report the printer state.
3057 */
3058
3059 static void
report_printer_state(ipp_t * ipp)3060 report_printer_state(ipp_t *ipp) /* I - IPP response */
3061 {
3062 ipp_attribute_t *pa, /* printer-alert */
3063 *pam, /* printer-alert-message */
3064 *pmja, /* printer-mandatory-job-attributes */
3065 *psm, /* printer-state-message */
3066 *reasons, /* printer-state-reasons */
3067 *marker; /* marker-* attributes */
3068 char value[1024], /* State/message string */
3069 *valptr; /* Pointer into string */
3070 static int ipp_supplies = -1;
3071 /* Report supply levels? */
3072
3073
3074 /*
3075 * Report alerts and messages...
3076 */
3077
3078 if ((pa = ippFindAttribute(ipp, "printer-alert", IPP_TAG_TEXT)) != NULL)
3079 report_attr(pa);
3080
3081 if ((pam = ippFindAttribute(ipp, "printer-alert-message",
3082 IPP_TAG_TEXT)) != NULL)
3083 report_attr(pam);
3084
3085 if ((pmja = ippFindAttribute(ipp, "printer-mandatory-job-attributes", IPP_TAG_KEYWORD)) != NULL)
3086 {
3087 int i, /* Looping var */
3088 count = ippGetCount(pmja); /* Number of values */
3089
3090 for (i = 0, valptr = value; i < count; i ++, valptr += strlen(valptr))
3091 {
3092 if (i)
3093 snprintf(valptr, sizeof(value) - (size_t)(valptr - value), " %s", ippGetString(pmja, i, NULL));
3094 else
3095 strlcpy(value, ippGetString(pmja, i, NULL), sizeof(value));
3096 }
3097
3098 if (strcmp(value, mandatory_attrs))
3099 {
3100 strlcpy(mandatory_attrs, value, sizeof(mandatory_attrs));
3101 fprintf(stderr, "PPD: cupsMandatory=\"%s\"\n", value);
3102 }
3103 }
3104
3105 if ((psm = ippFindAttribute(ipp, "printer-state-message",
3106 IPP_TAG_TEXT)) != NULL)
3107 {
3108 char *ptr; /* Pointer into message */
3109
3110
3111 strlcpy(value, "INFO: ", sizeof(value));
3112 for (ptr = psm->values[0].string.text, valptr = value + 6;
3113 *ptr && valptr < (value + sizeof(value) - 6);
3114 ptr ++)
3115 {
3116 if (*ptr < ' ' && *ptr > 0 && *ptr != '\t')
3117 {
3118 /*
3119 * Substitute "<XX>" for the control character; sprintf is safe because
3120 * we always leave 6 chars free at the end...
3121 */
3122
3123 sprintf(valptr, "<%02X>", *ptr);
3124 valptr += 4;
3125 }
3126 else
3127 *valptr++ = *ptr;
3128 }
3129
3130 *valptr++ = '\n';
3131 *valptr = '\0';
3132
3133 fputs(value, stderr);
3134 }
3135
3136 /*
3137 * Now report printer-state-reasons, filtering out some of the reasons we never
3138 * want to set...
3139 */
3140
3141 if ((reasons = ippFindAttribute(ipp, "printer-state-reasons",
3142 IPP_TAG_KEYWORD)) == NULL)
3143 return;
3144
3145 update_reasons(reasons, NULL);
3146
3147 /*
3148 * Relay the current marker-* attribute values...
3149 */
3150
3151 if (ipp_supplies < 0)
3152 {
3153 ppd_file_t *ppd; /* PPD file */
3154 ppd_attr_t *ppdattr; /* Attribute in PPD file */
3155
3156 if ((ppd = ppdOpenFile(getenv("PPD"))) != NULL &&
3157 (ppdattr = ppdFindAttr(ppd, "cupsIPPSupplies", NULL)) != NULL &&
3158 ppdattr->value && _cups_strcasecmp(ppdattr->value, "true"))
3159 ipp_supplies = 0;
3160 else
3161 ipp_supplies = 1;
3162
3163 ppdClose(ppd);
3164 }
3165
3166 if (ipp_supplies > 0)
3167 {
3168 if ((marker = ippFindAttribute(ipp, "marker-colors", IPP_TAG_NAME)) != NULL)
3169 report_attr(marker);
3170 if ((marker = ippFindAttribute(ipp, "marker-high-levels",
3171 IPP_TAG_INTEGER)) != NULL)
3172 report_attr(marker);
3173 if ((marker = ippFindAttribute(ipp, "marker-levels",
3174 IPP_TAG_INTEGER)) != NULL)
3175 report_attr(marker);
3176 if ((marker = ippFindAttribute(ipp, "marker-low-levels",
3177 IPP_TAG_INTEGER)) != NULL)
3178 report_attr(marker);
3179 if ((marker = ippFindAttribute(ipp, "marker-message",
3180 IPP_TAG_TEXT)) != NULL)
3181 report_attr(marker);
3182 if ((marker = ippFindAttribute(ipp, "marker-names", IPP_TAG_NAME)) != NULL)
3183 report_attr(marker);
3184 if ((marker = ippFindAttribute(ipp, "marker-types",
3185 IPP_TAG_KEYWORD)) != NULL)
3186 report_attr(marker);
3187 }
3188 }
3189
3190
3191 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3192 /*
3193 * 'run_as_user()' - Run the IPP backend as the printing user.
3194 *
3195 * This function uses an XPC-based user agent to run the backend as the printing
3196 * user. We need to do this in order to have access to the user's Kerberos
3197 * credentials.
3198 */
3199
3200 static int /* O - Exit status */
run_as_user(char * argv[],uid_t uid,const char * device_uri,int fd)3201 run_as_user(char *argv[], /* I - Command-line arguments */
3202 uid_t uid, /* I - User ID */
3203 const char *device_uri, /* I - Device URI */
3204 int fd) /* I - File to print */
3205 {
3206 const char *auth_negotiate;/* AUTH_NEGOTIATE env var */
3207 xpc_connection_t conn; /* Connection to XPC service */
3208 xpc_object_t request; /* Request message dictionary */
3209 __block xpc_object_t response; /* Response message dictionary */
3210 dispatch_semaphore_t sem; /* Semaphore for waiting for response */
3211 int status = CUPS_BACKEND_FAILED;
3212 /* Status of request */
3213
3214
3215 fprintf(stderr, "DEBUG: Running IPP backend as UID %d.\n", (int)uid);
3216
3217 /*
3218 * Connect to the user agent for the specified UID...
3219 */
3220
3221 conn = xpc_connection_create_mach_service(kPMPrintUIToolAgent,
3222 dispatch_get_global_queue(0, 0), 0);
3223 if (!conn)
3224 {
3225 _cupsLangPrintFilter(stderr, "ERROR",
3226 _("Unable to start backend process."));
3227 fputs("DEBUG: Unable to create connection to agent.\n", stderr);
3228 goto cleanup;
3229 }
3230
3231 xpc_connection_set_event_handler(conn,
3232 ^(xpc_object_t event)
3233 {
3234 xpc_type_t messageType = xpc_get_type(event);
3235
3236 if (messageType == XPC_TYPE_ERROR)
3237 {
3238 if (event == XPC_ERROR_CONNECTION_INTERRUPTED)
3239 fprintf(stderr, "DEBUG: Interrupted connection to service %s.\n",
3240 xpc_connection_get_name(conn));
3241 else if (event == XPC_ERROR_CONNECTION_INVALID)
3242 fprintf(stderr, "DEBUG: Connection invalid for service %s.\n",
3243 xpc_connection_get_name(conn));
3244 else
3245 fprintf(stderr, "DEBUG: Unxpected error for service %s: %s\n",
3246 xpc_connection_get_name(conn),
3247 xpc_dictionary_get_string(event, XPC_ERROR_KEY_DESCRIPTION));
3248 }
3249 });
3250 xpc_connection_set_target_uid(conn, uid);
3251 xpc_connection_resume(conn);
3252
3253 /*
3254 * Try starting the backend...
3255 */
3256
3257 request = xpc_dictionary_create(NULL, NULL, 0);
3258 xpc_dictionary_set_int64(request, "command", kPMStartJob);
3259 xpc_dictionary_set_string(request, "device-uri", device_uri);
3260 xpc_dictionary_set_string(request, "job-id", argv[1]);
3261 xpc_dictionary_set_string(request, "user", argv[2]);
3262 xpc_dictionary_set_string(request, "title", argv[3]);
3263 xpc_dictionary_set_string(request, "copies", argv[4]);
3264 xpc_dictionary_set_string(request, "options", argv[5]);
3265 xpc_dictionary_set_string(request, "auth-info-required",
3266 getenv("AUTH_INFO_REQUIRED"));
3267 if ((auth_negotiate = getenv("AUTH_NEGOTIATE")) != NULL)
3268 xpc_dictionary_set_string(request, "auth-negotiate", auth_negotiate);
3269 xpc_dictionary_set_fd(request, "stdin", fd);
3270 xpc_dictionary_set_fd(request, "stderr", 2);
3271 xpc_dictionary_set_fd(request, "side-channel", CUPS_SC_FD);
3272
3273 sem = dispatch_semaphore_create(0);
3274 response = NULL;
3275
3276 xpc_connection_send_message_with_reply(conn, request,
3277 dispatch_get_global_queue(0,0),
3278 ^(xpc_object_t reply)
3279 {
3280 /* Save the response and wake up */
3281 if (xpc_get_type(reply)
3282 == XPC_TYPE_DICTIONARY)
3283 response = xpc_retain(reply);
3284
3285 dispatch_semaphore_signal(sem);
3286 });
3287
3288 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
3289 xpc_release(request);
3290 dispatch_release(sem);
3291
3292 if (response)
3293 {
3294 child_pid = (pid_t)xpc_dictionary_get_int64(response, "child-pid");
3295
3296 xpc_release(response);
3297
3298 if (child_pid)
3299 fprintf(stderr, "DEBUG: Child PID=%d.\n", (int)child_pid);
3300 else
3301 {
3302 _cupsLangPrintFilter(stderr, "ERROR",
3303 _("Unable to start backend process."));
3304 fputs("DEBUG: No child PID.\n", stderr);
3305 goto cleanup;
3306 }
3307 }
3308 else
3309 {
3310 _cupsLangPrintFilter(stderr, "ERROR",
3311 _("Unable to start backend process."));
3312 fputs("DEBUG: No reply from agent.\n", stderr);
3313 goto cleanup;
3314 }
3315
3316 /*
3317 * Then wait for the backend to finish...
3318 */
3319
3320 request = xpc_dictionary_create(NULL, NULL, 0);
3321 xpc_dictionary_set_int64(request, "command", kPMWaitForJob);
3322 xpc_dictionary_set_fd(request, "stderr", 2);
3323
3324 sem = dispatch_semaphore_create(0);
3325 response = NULL;
3326
3327 xpc_connection_send_message_with_reply(conn, request,
3328 dispatch_get_global_queue(0,0),
3329 ^(xpc_object_t reply)
3330 {
3331 /* Save the response and wake up */
3332 if (xpc_get_type(reply)
3333 == XPC_TYPE_DICTIONARY)
3334 response = xpc_retain(reply);
3335
3336 dispatch_semaphore_signal(sem);
3337 });
3338
3339 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
3340 xpc_release(request);
3341 dispatch_release(sem);
3342
3343 if (response)
3344 {
3345 status = (int)xpc_dictionary_get_int64(response, "status");
3346
3347 if (status == SIGTERM || status == SIGKILL || status == SIGPIPE)
3348 {
3349 fprintf(stderr, "DEBUG: Child terminated on signal %d.\n", status);
3350 status = CUPS_BACKEND_FAILED;
3351 }
3352 else if (WIFSIGNALED(status))
3353 {
3354 fprintf(stderr, "DEBUG: Child crashed on signal %d.\n", status);
3355 status = CUPS_BACKEND_STOP;
3356 }
3357 else if (WIFEXITED(status))
3358 {
3359 status = WEXITSTATUS(status);
3360 fprintf(stderr, "DEBUG: Child exited with status %d.\n", status);
3361 }
3362
3363 xpc_release(response);
3364 }
3365 else
3366 _cupsLangPrintFilter(stderr, "ERROR",
3367 _("Unable to get backend exit status."));
3368
3369 cleanup:
3370
3371 if (conn)
3372 {
3373 xpc_connection_cancel(conn);
3374 xpc_release(conn);
3375 }
3376
3377 return (status);
3378 }
3379 #endif /* HAVE_GSSAPI && HAVE_XPC */
3380
3381
3382 /*
3383 * 'sigterm_handler()' - Handle 'terminate' signals that stop the backend.
3384 */
3385
3386 static void
sigterm_handler(int sig)3387 sigterm_handler(int sig) /* I - Signal */
3388 {
3389 (void)sig; /* remove compiler warnings... */
3390
3391 write(2, "DEBUG: Got SIGTERM.\n", 20);
3392
3393 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3394 if (child_pid)
3395 {
3396 kill(child_pid, sig);
3397 child_pid = 0;
3398 }
3399 #endif /* HAVE_GSSAPI && HAVE_XPC */
3400
3401 if (!job_canceled)
3402 {
3403 /*
3404 * Flag that the job should be canceled...
3405 */
3406
3407 write(2, "DEBUG: sigterm_handler: job_canceled = 1.\n", 25);
3408
3409 job_canceled = 1;
3410 return;
3411 }
3412
3413 /*
3414 * The scheduler already tried to cancel us once, now just terminate
3415 * after removing our temp file!
3416 */
3417
3418 if (tmpfilename[0])
3419 unlink(tmpfilename);
3420
3421 _exit(1);
3422 }
3423
3424
3425 /*
3426 * 'timeout_cb()' - Handle HTTP timeouts.
3427 */
3428
3429 static int /* O - 1 to continue, 0 to cancel */
timeout_cb(http_t * http,void * user_data)3430 timeout_cb(http_t *http, /* I - Connection to server (unused) */
3431 void *user_data) /* I - User data (unused) */
3432 {
3433 (void)http;
3434 (void)user_data;
3435
3436 return (!job_canceled);
3437 }
3438
3439
3440 /*
3441 * 'update_reasons()' - Update the printer-state-reasons values.
3442 */
3443
3444 static void
update_reasons(ipp_attribute_t * attr,const char * s)3445 update_reasons(ipp_attribute_t *attr, /* I - printer-state-reasons or NULL */
3446 const char *s) /* I - STATE: string or NULL */
3447 {
3448 char op; /* Add (+), remove (-), replace (\0) */
3449 cups_array_t *new_reasons; /* New reasons array */
3450 char *reason, /* Current reason */
3451 add[2048], /* Reasons added string */
3452 *addptr, /* Pointer into add string */
3453 rem[2048], /* Reasons removed string */
3454 *remptr; /* Pointer into remove string */
3455 const char *addprefix, /* Current add string prefix */
3456 *remprefix; /* Current remove string prefix */
3457
3458
3459 fprintf(stderr, "DEBUG: update_reasons(attr=%d(%s%s), s=\"%s\")\n",
3460 attr ? attr->num_values : 0, attr ? attr->values[0].string.text : "",
3461 attr && attr->num_values > 1 ? ",..." : "", s ? s : "(null)");
3462
3463 /*
3464 * Create an array of new reason keyword strings...
3465 */
3466
3467 if (attr)
3468 {
3469 int i; /* Looping var */
3470
3471 new_reasons = cupsArrayNew((cups_array_func_t)strcmp, NULL);
3472 op = '\0';
3473
3474 for (i = 0; i < attr->num_values; i ++)
3475 {
3476 reason = attr->values[i].string.text;
3477
3478 if (strcmp(reason, "none") &&
3479 strcmp(reason, "none-report") &&
3480 strcmp(reason, "paused") &&
3481 strncmp(reason, "spool-area-full", 15) &&
3482 strcmp(reason, "com.apple.print.recoverable-warning") &&
3483 strncmp(reason, "cups-", 5))
3484 cupsArrayAdd(new_reasons, reason);
3485 }
3486 }
3487 else if (s)
3488 {
3489 if (*s == '+' || *s == '-')
3490 op = *s++;
3491 else
3492 op = '\0';
3493
3494 new_reasons = _cupsArrayNewStrings(s, ',');
3495 }
3496 else
3497 return;
3498
3499 /*
3500 * Compute the changes...
3501 */
3502
3503 add[0] = '\0';
3504 addprefix = "STATE: +";
3505 addptr = add;
3506 rem[0] = '\0';
3507 remprefix = "STATE: -";
3508 remptr = rem;
3509
3510 fprintf(stderr, "DEBUG2: op='%c', new_reasons=%d, state_reasons=%d\n",
3511 op ? op : ' ', cupsArrayCount(new_reasons),
3512 cupsArrayCount(state_reasons));
3513
3514 _cupsMutexLock(&report_mutex);
3515
3516 if (op == '+')
3517 {
3518 /*
3519 * Add reasons...
3520 */
3521
3522 for (reason = (char *)cupsArrayFirst(new_reasons);
3523 reason;
3524 reason = (char *)cupsArrayNext(new_reasons))
3525 {
3526 if (!cupsArrayFind(state_reasons, reason))
3527 {
3528 if (!strncmp(reason, "cups-remote-", 12))
3529 {
3530 /*
3531 * If we are setting cups-remote-xxx, remove all other cups-remote-xxx
3532 * keywords...
3533 */
3534
3535 char *temp; /* Current reason in state_reasons */
3536
3537 cupsArraySave(state_reasons);
3538
3539 for (temp = (char *)cupsArrayFirst(state_reasons);
3540 temp;
3541 temp = (char *)cupsArrayNext(state_reasons))
3542 if (!strncmp(temp, "cups-remote-", 12))
3543 {
3544 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, temp);
3545 remptr += strlen(remptr);
3546 remprefix = ",";
3547
3548 cupsArrayRemove(state_reasons, temp);
3549 break;
3550 }
3551
3552 cupsArrayRestore(state_reasons);
3553 }
3554
3555 cupsArrayAdd(state_reasons, reason);
3556
3557 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason);
3558 addptr += strlen(addptr);
3559 addprefix = ",";
3560 }
3561 }
3562 }
3563 else if (op == '-')
3564 {
3565 /*
3566 * Remove reasons...
3567 */
3568
3569 for (reason = (char *)cupsArrayFirst(new_reasons);
3570 reason;
3571 reason = (char *)cupsArrayNext(new_reasons))
3572 {
3573 if (cupsArrayFind(state_reasons, reason))
3574 {
3575 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason);
3576 remptr += strlen(remptr);
3577 remprefix = ",";
3578
3579 cupsArrayRemove(state_reasons, reason);
3580 }
3581 }
3582 }
3583 else
3584 {
3585 /*
3586 * Replace reasons...
3587 */
3588
3589 for (reason = (char *)cupsArrayFirst(state_reasons);
3590 reason;
3591 reason = (char *)cupsArrayNext(state_reasons))
3592 {
3593 if (strncmp(reason, "cups-", 5) && !cupsArrayFind(new_reasons, reason))
3594 {
3595 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason);
3596 remptr += strlen(remptr);
3597 remprefix = ",";
3598
3599 cupsArrayRemove(state_reasons, reason);
3600 }
3601 }
3602
3603 for (reason = (char *)cupsArrayFirst(new_reasons);
3604 reason;
3605 reason = (char *)cupsArrayNext(new_reasons))
3606 {
3607 if (!cupsArrayFind(state_reasons, reason))
3608 {
3609 cupsArrayAdd(state_reasons, reason);
3610
3611 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason);
3612 addptr += strlen(addptr);
3613 addprefix = ",";
3614 }
3615 }
3616 }
3617
3618 cupsArrayDelete(new_reasons);
3619
3620 _cupsMutexUnlock(&report_mutex);
3621
3622 /*
3623 * Report changes and return...
3624 */
3625
3626 if (add[0] && rem[0])
3627 fprintf(stderr, "%s\n%s\n", add, rem);
3628 else if (add[0])
3629 fprintf(stderr, "%s\n", add);
3630 else if (rem[0])
3631 fprintf(stderr, "%s\n", rem);
3632 }
3633