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[thirdparty/cups.git] / backend / ipp.c
1 /*
2 * IPP backend for CUPS.
3 *
4 * Copyright © 2007-2018 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 # ifdef HAVE_XPC_PRIVATE_H
27 # include <xpc/private.h>
28 # else
29 extern void xpc_connection_set_target_uid(xpc_connection_t connection,
30 uid_t uid);
31 # endif /* HAVE_XPC_PRIVATE_H */
32 #endif /* HAVE_GSSAPI && HAVE_XPC */
33
34
35 /*
36 * Bits for job-state-reasons we care about...
37 */
38
39 #define _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED 0x01
40 #define _CUPS_JSR_ACCOUNT_CLOSED 0x02
41 #define _CUPS_JSR_ACCOUNT_INFO_NEEDED 0x04
42 #define _CUPS_JSR_ACCOUNT_LIMIT_REACHED 0x08
43 #define _CUPS_JSR_JOB_PASSWORD_WAIT 0x10
44 #define _CUPS_JSR_JOB_RELEASE_WAIT 0x20
45
46
47 /*
48 * Types...
49 */
50
51 typedef struct _cups_monitor_s /**** Monitoring data ****/
52 {
53 const char *uri, /* Printer URI */
54 *hostname, /* Hostname */
55 *user, /* Username */
56 *resource; /* Resource path */
57 int port, /* Port number */
58 version, /* IPP version */
59 job_id, /* Job ID for submitted job */
60 job_reasons, /* Job state reasons bits */
61 create_job, /* Support Create-Job? */
62 get_job_attrs; /* Support Get-Job-Attributes? */
63 const char *job_name; /* Job name for submitted job */
64 http_encryption_t encryption; /* Use encryption? */
65 ipp_jstate_t job_state; /* Current job state */
66 ipp_pstate_t printer_state; /* Current printer state */
67 } _cups_monitor_t;
68
69
70 /*
71 * Globals...
72 */
73
74 static const char *auth_info_required;
75 /* New auth-info-required value */
76 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
77 static pid_t child_pid = 0; /* Child process ID */
78 #endif /* HAVE_GSSAPI && HAVE_XPC */
79 static const char * const jattrs[] = /* Job attributes we want */
80 {
81 "job-id",
82 "job-impressions-completed",
83 "job-media-sheets-completed",
84 "job-name",
85 "job-originating-user-name",
86 "job-state",
87 "job-state-reasons"
88 };
89 static int job_canceled = 0,
90 /* Job cancelled? */
91 uri_credentials = 0;
92 /* Credentials supplied in URI? */
93 static char username[256] = "",
94 /* Username for device URI */
95 *password = NULL;
96 /* Password for device URI */
97 static const char * const pattrs[] = /* Printer attributes we want */
98 {
99 #ifdef HAVE_LIBZ
100 "compression-supported",
101 #endif /* HAVE_LIBZ */
102 "copies-supported",
103 "cups-version",
104 "document-format-supported",
105 "job-password-encryption-supported",
106 "marker-colors",
107 "marker-high-levels",
108 "marker-levels",
109 "marker-low-levels",
110 "marker-message",
111 "marker-names",
112 "marker-types",
113 "media-col-supported",
114 "multiple-document-handling-supported",
115 "operations-supported",
116 "print-color-mode-supported",
117 "printer-alert",
118 "printer-alert-description",
119 "printer-is-accepting-jobs",
120 "printer-mandatory-job-attributes",
121 "printer-state",
122 "printer-state-message",
123 "printer-state-reasons"
124 };
125 static const char * const remote_job_states[] =
126 { /* Remote job state keywords */
127 "+cups-remote-pending",
128 "+cups-remote-pending-held",
129 "+cups-remote-processing",
130 "+cups-remote-stopped",
131 "+cups-remote-canceled",
132 "+cups-remote-aborted",
133 "+cups-remote-completed"
134 };
135 static _cups_mutex_t report_mutex = _CUPS_MUTEX_INITIALIZER;
136 /* Mutex to control access */
137 static int num_attr_cache = 0;
138 /* Number of cached attributes */
139 static cups_option_t *attr_cache = NULL;
140 /* Cached attributes */
141 static cups_array_t *state_reasons; /* Array of printe-state-reasons keywords */
142 static char tmpfilename[1024] = "";
143 /* Temporary spool file name */
144 static char mandatory_attrs[1024] = "";
145 /* cupsMandatory value */
146
147
148 /*
149 * Local functions...
150 */
151
152 static void cancel_job(http_t *http, const char *uri, int id,
153 const char *resource, const char *user,
154 int version);
155 static ipp_pstate_t check_printer_state(http_t *http, const char *uri,
156 const char *resource,
157 const char *user, int version);
158 static void debug_attributes(ipp_t *ipp);
159 static void *monitor_printer(_cups_monitor_t *monitor);
160 static ipp_t *new_request(ipp_op_t op, int version, const char *uri,
161 const char *user, const char *title,
162 int num_options, cups_option_t *options,
163 const char *compression, int copies,
164 const char *format, _ppd_cache_t *pc,
165 ppd_file_t *ppd,
166 ipp_attribute_t *media_col_sup,
167 ipp_attribute_t *doc_handling_sup,
168 ipp_attribute_t *print_color_mode_sup);
169 static const char *password_cb(const char *prompt, http_t *http,
170 const char *method, const char *resource,
171 int *user_data);
172 static const char *quote_string(const char *s, char *q, size_t qsize);
173 static void report_attr(ipp_attribute_t *attr);
174 static void report_printer_state(ipp_t *ipp);
175 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
176 static int run_as_user(char *argv[], uid_t uid,
177 const char *device_uri, int fd);
178 #endif /* HAVE_GSSAPI && HAVE_XPC */
179 static void sigterm_handler(int sig);
180 static int timeout_cb(http_t *http, void *user_data);
181 static void update_reasons(ipp_attribute_t *attr, const char *s);
182
183
184 /*
185 * 'main()' - Send a file to the printer or server.
186 *
187 * Usage:
188 *
189 * printer-uri job-id user title copies options [file]
190 */
191
192 int /* O - Exit status */
193 main(int argc, /* I - Number of command-line args */
194 char *argv[]) /* I - Command-line arguments */
195 {
196 int i; /* Looping var */
197 int send_options; /* Send job options? */
198 int num_options; /* Number of printer options */
199 cups_option_t *options; /* Printer options */
200 const char *device_uri; /* Device URI */
201 char scheme[255], /* Scheme in URI */
202 hostname[1024], /* Hostname */
203 resource[1024], /* Resource info (printer name) */
204 addrname[256], /* Address name */
205 *optptr, /* Pointer to URI options */
206 *name, /* Name of option */
207 *value, /* Value of option */
208 sep; /* Separator character */
209 int password_tries = 0; /* Password tries */
210 http_addrlist_t *addrlist; /* Address of printer */
211 int snmp_enabled = 1; /* Is SNMP enabled? */
212 int snmp_fd, /* SNMP socket */
213 start_count, /* Page count via SNMP at start */
214 page_count, /* Page count via SNMP */
215 have_supplies; /* Printer supports supply levels? */
216 int num_files; /* Number of files to print */
217 char **files, /* Files to print */
218 *compatfile = NULL; /* Compatibility filename */
219 off_t compatsize = 0; /* Size of compatibility file */
220 int port; /* Port number (not used) */
221 char uri[HTTP_MAX_URI]; /* Updated URI without user/pass */
222 char print_job_name[1024]; /* Update job-name for Print-Job */
223 http_status_t http_status; /* Status of HTTP request */
224 ipp_status_t ipp_status; /* Status of IPP request */
225 http_t *http; /* HTTP connection */
226 ipp_t *request, /* IPP request */
227 *response, /* IPP response */
228 *supported; /* get-printer-attributes response */
229 time_t start_time; /* Time of first connect */
230 int contimeout; /* Connection timeout */
231 int delay, /* Delay for retries */
232 prev_delay; /* Previous delay */
233 const char *compression; /* Compression mode */
234 int waitjob, /* Wait for job complete? */
235 waitjob_tries = 0, /* Number of times we've waited */
236 waitprinter; /* Wait for printer ready? */
237 time_t waittime; /* Wait time for held jobs */
238 _cups_monitor_t monitor; /* Monitoring data */
239 ipp_attribute_t *job_id_attr; /* job-id attribute */
240 int job_id; /* job-id value */
241 ipp_attribute_t *job_sheets; /* job-media-sheets-completed */
242 ipp_attribute_t *job_state; /* job-state */
243 #ifdef HAVE_LIBZ
244 ipp_attribute_t *compression_sup; /* compression-supported */
245 #endif /* HAVE_LIBZ */
246 ipp_attribute_t *copies_sup; /* copies-supported */
247 ipp_attribute_t *cups_version; /* cups-version */
248 ipp_attribute_t *encryption_sup; /* job-password-encryption-supported */
249 ipp_attribute_t *format_sup; /* document-format-supported */
250 ipp_attribute_t *job_auth; /* job-authorization-uri */
251 ipp_attribute_t *media_col_sup; /* media-col-supported */
252 ipp_attribute_t *operations_sup; /* operations-supported */
253 ipp_attribute_t *doc_handling_sup; /* multiple-document-handling-supported */
254 ipp_attribute_t *printer_state; /* printer-state attribute */
255 ipp_attribute_t *printer_accepting; /* printer-is-accepting-jobs */
256 ipp_attribute_t *print_color_mode_sup;/* Does printer support print-color-mode? */
257 int create_job = 0, /* Does printer support Create-Job? */
258 get_job_attrs = 0, /* Does printer support Get-Job-Attributes? */
259 send_document = 0, /* Does printer support Send-Document? */
260 validate_job = 0, /* Does printer support Validate-Job? */
261 copies, /* Number of copies for job */
262 copies_remaining; /* Number of copies remaining */
263 const char *content_type, /* CONTENT_TYPE environment variable */
264 *final_content_type, /* FINAL_CONTENT_TYPE environment var */
265 *document_format; /* document-format value */
266 int fd; /* File descriptor */
267 off_t bytes = 0; /* Bytes copied */
268 char buffer[16384]; /* Copy buffer */
269 #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
270 struct sigaction action; /* Actions for POSIX signals */
271 #endif /* HAVE_SIGACTION && !HAVE_SIGSET */
272 int version; /* IPP version */
273 ppd_file_t *ppd = NULL; /* PPD file */
274 _ppd_cache_t *pc = NULL; /* PPD cache and mapping data */
275 fd_set input; /* Input set for select() */
276
277
278 /*
279 * Make sure status messages are not buffered...
280 */
281
282 setbuf(stderr, NULL);
283
284 /*
285 * Ignore SIGPIPE and catch SIGTERM signals...
286 */
287
288 #ifdef HAVE_SIGSET
289 sigset(SIGPIPE, SIG_IGN);
290 sigset(SIGTERM, sigterm_handler);
291 #elif defined(HAVE_SIGACTION)
292 memset(&action, 0, sizeof(action));
293 action.sa_handler = SIG_IGN;
294 sigaction(SIGPIPE, &action, NULL);
295
296 sigemptyset(&action.sa_mask);
297 sigaddset(&action.sa_mask, SIGTERM);
298 action.sa_handler = sigterm_handler;
299 sigaction(SIGTERM, &action, NULL);
300 #else
301 signal(SIGPIPE, SIG_IGN);
302 signal(SIGTERM, sigterm_handler);
303 #endif /* HAVE_SIGSET */
304
305 /*
306 * Check command-line...
307 */
308
309 if (argc == 1)
310 {
311 char *s;
312
313 if ((s = strrchr(argv[0], '/')) != NULL)
314 s ++;
315 else
316 s = argv[0];
317
318 printf("network %s \"Unknown\" \"%s (%s)\"\n",
319 s, _cupsLangString(cupsLangDefault(),
320 _("Internet Printing Protocol")), s);
321 return (CUPS_BACKEND_OK);
322 }
323 else if (argc < 6)
324 {
325 _cupsLangPrintf(stderr,
326 _("Usage: %s job-id user title copies options [file]"),
327 argv[0]);
328 return (CUPS_BACKEND_STOP);
329 }
330
331 /*
332 * Get the device URI...
333 */
334
335 while ((device_uri = cupsBackendDeviceURI(argv)) == NULL)
336 {
337 _cupsLangPrintFilter(stderr, "INFO", _("Unable to locate printer."));
338 sleep(10);
339
340 if (getenv("CLASS") != NULL)
341 return (CUPS_BACKEND_FAILED);
342 }
343
344 if ((auth_info_required = getenv("AUTH_INFO_REQUIRED")) == NULL)
345 auth_info_required = "none";
346
347 state_reasons = _cupsArrayNewStrings(getenv("PRINTER_STATE_REASONS"), ',');
348
349 #ifdef HAVE_GSSAPI
350 /*
351 * For Kerberos, become the printing user (if we can) to get the credentials
352 * that way.
353 */
354
355 if (!getuid() && (value = getenv("AUTH_UID")) != NULL &&
356 !getenv("AUTH_PASSWORD"))
357 {
358 uid_t uid = (uid_t)atoi(value);
359 /* User ID */
360
361 # ifdef HAVE_XPC
362 if (uid > 0)
363 {
364 if (argc == 6)
365 return (run_as_user(argv, uid, device_uri, 0));
366 else
367 {
368 int status = 0; /* Exit status */
369
370 for (i = 6; i < argc && !status && !job_canceled; i ++)
371 {
372 if ((fd = open(argv[i], O_RDONLY)) >= 0)
373 {
374 status = run_as_user(argv, uid, device_uri, fd);
375 close(fd);
376 }
377 else
378 {
379 _cupsLangPrintError("ERROR", _("Unable to open print file"));
380 status = CUPS_BACKEND_FAILED;
381 }
382 }
383
384 return (status);
385 }
386 }
387
388 # else /* No XPC, just try to run as the user ID */
389 if (uid > 0)
390 seteuid(uid);
391 # endif /* HAVE_XPC */
392 }
393 #endif /* HAVE_GSSAPI */
394
395 /*
396 * Get the (final) content type...
397 */
398
399 if ((content_type = getenv("CONTENT_TYPE")) == NULL)
400 content_type = "application/octet-stream";
401
402 if ((final_content_type = getenv("FINAL_CONTENT_TYPE")) == NULL)
403 {
404 final_content_type = content_type;
405
406 if (!strncmp(final_content_type, "printer/", 8))
407 final_content_type = "application/vnd.cups-raw";
408 }
409
410 /*
411 * Extract the hostname and printer name from the URI...
412 */
413
414 httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme),
415 username, sizeof(username), hostname, sizeof(hostname), &port,
416 resource, sizeof(resource));
417
418 if (!port)
419 port = IPP_PORT; /* Default to port 631 */
420
421 if (!strcmp(scheme, "https") || !strcmp(scheme, "ipps"))
422 cupsSetEncryption(HTTP_ENCRYPT_ALWAYS);
423 else
424 cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED);
425
426 /*
427 * See if there are any options...
428 */
429
430 compression = NULL;
431 version = 20;
432 waitjob = 1;
433 waitprinter = 1;
434 contimeout = 7 * 24 * 60 * 60;
435
436 if ((optptr = strchr(resource, '?')) != NULL)
437 {
438 /*
439 * Yup, terminate the device name string and move to the first
440 * character of the optptr...
441 */
442
443 *optptr++ = '\0';
444
445 /*
446 * Then parse the optptr...
447 */
448
449 while (*optptr)
450 {
451 /*
452 * Get the name...
453 */
454
455 name = optptr;
456
457 while (*optptr && *optptr != '=' && *optptr != '+' && *optptr != '&')
458 optptr ++;
459
460 if ((sep = *optptr) != '\0')
461 *optptr++ = '\0';
462
463 if (sep == '=')
464 {
465 /*
466 * Get the value...
467 */
468
469 value = optptr;
470
471 while (*optptr && *optptr != '+' && *optptr != '&')
472 optptr ++;
473
474 if (*optptr)
475 *optptr++ = '\0';
476 }
477 else
478 value = (char *)"";
479
480 /*
481 * Process the option...
482 */
483
484 if (!_cups_strcasecmp(name, "waitjob"))
485 {
486 /*
487 * Wait for job completion?
488 */
489
490 waitjob = !_cups_strcasecmp(value, "on") ||
491 !_cups_strcasecmp(value, "yes") ||
492 !_cups_strcasecmp(value, "true");
493 }
494 else if (!_cups_strcasecmp(name, "waitprinter"))
495 {
496 /*
497 * Wait for printer idle?
498 */
499
500 waitprinter = !_cups_strcasecmp(value, "on") ||
501 !_cups_strcasecmp(value, "yes") ||
502 !_cups_strcasecmp(value, "true");
503 }
504 else if (!_cups_strcasecmp(name, "encryption"))
505 {
506 /*
507 * Enable/disable encryption?
508 */
509
510 if (!_cups_strcasecmp(value, "always"))
511 cupsSetEncryption(HTTP_ENCRYPT_ALWAYS);
512 else if (!_cups_strcasecmp(value, "required"))
513 cupsSetEncryption(HTTP_ENCRYPT_REQUIRED);
514 else if (!_cups_strcasecmp(value, "never"))
515 cupsSetEncryption(HTTP_ENCRYPT_NEVER);
516 else if (!_cups_strcasecmp(value, "ifrequested"))
517 cupsSetEncryption(HTTP_ENCRYPT_IF_REQUESTED);
518 else
519 {
520 _cupsLangPrintFilter(stderr, "ERROR",
521 _("Unknown encryption option value: \"%s\"."),
522 value);
523 }
524 }
525 else if (!_cups_strcasecmp(name, "snmp"))
526 {
527 /*
528 * Enable/disable SNMP stuff...
529 */
530
531 snmp_enabled = !value[0] || !_cups_strcasecmp(value, "on") ||
532 !_cups_strcasecmp(value, "yes") ||
533 !_cups_strcasecmp(value, "true");
534 }
535 else if (!_cups_strcasecmp(name, "version"))
536 {
537 if (!strcmp(value, "1.0"))
538 version = 10;
539 else if (!strcmp(value, "1.1"))
540 version = 11;
541 else if (!strcmp(value, "2.0"))
542 version = 20;
543 else if (!strcmp(value, "2.1"))
544 version = 21;
545 else if (!strcmp(value, "2.2"))
546 version = 22;
547 else
548 {
549 _cupsLangPrintFilter(stderr, "ERROR",
550 _("Unknown version option value: \"%s\"."),
551 value);
552 }
553 }
554 #ifdef HAVE_LIBZ
555 else if (!_cups_strcasecmp(name, "compression"))
556 {
557 if (!_cups_strcasecmp(value, "true") || !_cups_strcasecmp(value, "yes") ||
558 !_cups_strcasecmp(value, "on") || !_cups_strcasecmp(value, "gzip"))
559 compression = "gzip";
560 else if (!_cups_strcasecmp(value, "deflate"))
561 compression = "deflate";
562 else if (!_cups_strcasecmp(value, "false") ||
563 !_cups_strcasecmp(value, "no") ||
564 !_cups_strcasecmp(value, "off") ||
565 !_cups_strcasecmp(value, "none"))
566 compression = "none";
567 }
568 #endif /* HAVE_LIBZ */
569 else if (!_cups_strcasecmp(name, "contimeout"))
570 {
571 /*
572 * Set the connection timeout...
573 */
574
575 if (atoi(value) > 0)
576 contimeout = atoi(value);
577 }
578 else
579 {
580 /*
581 * Unknown option...
582 */
583
584 _cupsLangPrintFilter(stderr, "ERROR",
585 _("Unknown option \"%s\" with value \"%s\"."),
586 name, value);
587 }
588 }
589 }
590
591 /*
592 * If we have 7 arguments, print the file named on the command-line.
593 * Otherwise, copy stdin to a temporary file and print the temporary
594 * file.
595 */
596
597 if (argc == 6)
598 {
599 num_files = 0;
600 files = NULL;
601 send_options = !_cups_strcasecmp(final_content_type, "application/pdf") ||
602 !_cups_strcasecmp(final_content_type, "application/vnd.cups-pdf") ||
603 !_cups_strncasecmp(final_content_type, "image/", 6);
604
605 fputs("DEBUG: Sending stdin for job...\n", stderr);
606 }
607 else
608 {
609 /*
610 * Point to the files on the command-line...
611 */
612
613 num_files = argc - 6;
614 files = argv + 6;
615 send_options = 1;
616
617 fprintf(stderr, "DEBUG: %d files to send in job...\n", num_files);
618 }
619
620 /*
621 * Set the authentication info, if any...
622 */
623
624 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries);
625
626 if (username[0])
627 {
628 /*
629 * Use authentication information in the device URI...
630 */
631
632 if ((password = strchr(username, ':')) != NULL)
633 *password++ = '\0';
634
635 cupsSetUser(username);
636 uri_credentials = 1;
637 }
638 else
639 {
640 /*
641 * Try loading authentication information from the environment.
642 */
643
644 const char *ptr = getenv("AUTH_USERNAME");
645
646 if (ptr)
647 {
648 strlcpy(username, ptr, sizeof(username));
649 cupsSetUser(ptr);
650 }
651
652 password = getenv("AUTH_PASSWORD");
653 }
654
655 /*
656 * Try finding the remote server...
657 */
658
659 start_time = time(NULL);
660
661 addrlist = backendLookup(hostname, port, &job_canceled);
662
663 http = httpConnect2(hostname, port, addrlist, AF_UNSPEC, cupsEncryption(), 1,
664 0, NULL);
665 httpSetTimeout(http, 30.0, timeout_cb, NULL);
666
667 /*
668 * See if the printer supports SNMP...
669 */
670
671 if (snmp_enabled)
672 snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family);
673 else
674 snmp_fd = -1;
675
676 if (snmp_fd >= 0)
677 have_supplies = !backendSNMPSupplies(snmp_fd, &(addrlist->addr),
678 &start_count, NULL);
679 else
680 have_supplies = start_count = 0;
681
682 /*
683 * Wait for data from the filter...
684 */
685
686 if (num_files == 0)
687 {
688 if (!backendWaitLoop(snmp_fd, &(addrlist->addr), 0, backendNetworkSideCB))
689 return (CUPS_BACKEND_OK);
690 else if ((bytes = read(0, buffer, sizeof(buffer))) <= 0)
691 return (CUPS_BACKEND_OK);
692 }
693
694 /*
695 * Try connecting to the remote server...
696 */
697
698 delay = _cupsNextDelay(0, &prev_delay);
699
700 do
701 {
702 fprintf(stderr, "DEBUG: Connecting to %s:%d\n", hostname, port);
703 _cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer."));
704
705 if (httpReconnect(http))
706 {
707 int error = errno; /* Connection error */
708
709 if (http->status == HTTP_PKI_ERROR)
710 update_reasons(NULL, "+cups-certificate-error");
711
712 if (job_canceled)
713 break;
714
715 if (getenv("CLASS") != NULL)
716 {
717 /*
718 * If the CLASS environment variable is set, the job was submitted
719 * to a class and not to a specific queue. In this case, we want
720 * to abort immediately so that the job can be requeued on the next
721 * available printer in the class.
722 */
723
724 _cupsLangPrintFilter(stderr, "INFO",
725 _("Unable to contact printer, queuing on next "
726 "printer in class."));
727
728 /*
729 * Sleep 5 seconds to keep the job from requeuing too rapidly...
730 */
731
732 sleep(5);
733
734 update_reasons(NULL, "-connecting-to-device");
735
736 return (CUPS_BACKEND_FAILED);
737 }
738
739 fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(errno));
740
741 if (errno == ECONNREFUSED || errno == EHOSTDOWN || errno == EHOSTUNREACH || errno == ETIMEDOUT || errno == ENOTCONN)
742 {
743 if (contimeout && (time(NULL) - start_time) > contimeout)
744 {
745 _cupsLangPrintFilter(stderr, "ERROR",
746 _("The printer is not responding."));
747 update_reasons(NULL, "-connecting-to-device");
748 return (CUPS_BACKEND_FAILED);
749 }
750
751 switch (error)
752 {
753 case EHOSTDOWN :
754 _cupsLangPrintFilter(stderr, "WARNING",
755 _("The printer may not exist or "
756 "is unavailable at this time."));
757 break;
758
759 case EHOSTUNREACH :
760 default :
761 _cupsLangPrintFilter(stderr, "WARNING",
762 _("The printer is unreachable at this "
763 "time."));
764 break;
765
766 case ECONNREFUSED :
767 _cupsLangPrintFilter(stderr, "WARNING",
768 _("The printer is in use."));
769 break;
770 }
771
772 sleep((unsigned)delay);
773
774 delay = _cupsNextDelay(delay, &prev_delay);
775 }
776 else
777 {
778 _cupsLangPrintFilter(stderr, "ERROR",
779 _("The printer is not responding."));
780 sleep(30);
781 }
782
783 if (job_canceled)
784 break;
785 }
786 else
787 update_reasons(NULL, "-cups-certificate-error");
788 }
789 while (http->fd < 0);
790
791 if (job_canceled)
792 return (CUPS_BACKEND_OK);
793 else if (!http)
794 return (CUPS_BACKEND_FAILED);
795
796 if (httpIsEncrypted(http))
797 {
798 /*
799 * Validate TLS credentials...
800 */
801
802 cups_array_t *creds; /* TLS credentials */
803 cups_array_t *lcreds = NULL; /* Loaded credentials */
804 http_trust_t trust; /* Trust level */
805 char credinfo[1024], /* Information on credentials */
806 lcredinfo[1024];/* Information on saved credentials */
807 static const char * const trusts[] = { NULL, "+cups-pki-invalid", "+cups-pki-changed", "+cups-pki-expired", NULL, "+cups-pki-unknown" };
808 /* Trust keywords */
809 static const char * const trust_msgs[] =
810 {
811 "Credentials are OK/trusted",
812 "Credentials are invalid",
813 "Credentials have changed",
814 "Credentials are expired",
815 "Credentials have been renewed",
816 "Credentials are unknown/new"
817 };
818
819 fputs("DEBUG: Connection is encrypted.\n", stderr);
820
821 if (!httpCopyCredentials(http, &creds))
822 {
823 trust = httpCredentialsGetTrust(creds, hostname);
824 httpCredentialsString(creds, credinfo, sizeof(credinfo));
825
826 fprintf(stderr, "DEBUG: %s (%s)\n", trust_msgs[trust], cupsLastErrorString());
827 fprintf(stderr, "DEBUG: Printer credentials: %s\n", credinfo);
828
829 if (!httpLoadCredentials(NULL, &lcreds, hostname))
830 {
831 httpCredentialsString(lcreds, lcredinfo, sizeof(lcredinfo));
832 fprintf(stderr, "DEBUG: Stored credentials: %s\n", lcredinfo);
833 }
834 else
835 fputs("DEBUG: No stored credentials.\n", stderr);
836
837 update_reasons(NULL, "-cups-pki-invalid,cups-pki-changed,cups-pki-expired,cups-pki-unknown");
838 if (trusts[trust])
839 {
840 update_reasons(NULL, trusts[trust]);
841 return (CUPS_BACKEND_STOP);
842 }
843
844 if (!lcreds)
845 {
846 /*
847 * Could not load the credentials, let's save the ones we have so we
848 * can detect changes...
849 */
850
851 httpSaveCredentials(NULL, creds, hostname);
852 }
853
854 httpFreeCredentials(lcreds);
855 httpFreeCredentials(creds);
856 }
857 else
858 {
859 fputs("DEBUG: No printer credentials.\n", stderr);
860
861 update_reasons(NULL, "cups-pki-unknown");
862 return (CUPS_BACKEND_STOP);
863 }
864 }
865
866 update_reasons(NULL, "-connecting-to-device");
867 _cupsLangPrintFilter(stderr, "INFO", _("Connected to printer."));
868
869 fprintf(stderr, "DEBUG: Connected to %s:%d...\n",
870 httpAddrString(http->hostaddr, addrname, sizeof(addrname)),
871 httpAddrPort(http->hostaddr));
872
873 /*
874 * Build a URI for the printer and fill the standard IPP attributes for
875 * an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it
876 * might contain username:password information...
877 */
878
879 httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri), scheme, NULL, hostname,
880 port, resource);
881
882 /*
883 * First validate the destination and see if the device supports multiple
884 * copies...
885 */
886
887 #ifdef HAVE_LIBZ
888 compression_sup = NULL;
889 #endif /* HAVE_LIBZ */
890 copies_sup = NULL;
891 cups_version = NULL;
892 encryption_sup = NULL;
893 format_sup = NULL;
894 media_col_sup = NULL;
895 supported = NULL;
896 operations_sup = NULL;
897 doc_handling_sup = NULL;
898 print_color_mode_sup = NULL;
899
900 do
901 {
902 /*
903 * Check for side-channel requests...
904 */
905
906 backendCheckSideChannel(snmp_fd, http->hostaddr);
907
908 /*
909 * Build the IPP request...
910 */
911
912 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
913 ippSetVersion(request, version / 10, version % 10);
914 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
915 NULL, uri);
916
917 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
918 "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
919 NULL, pattrs);
920
921 /*
922 * Do the request...
923 */
924
925 fputs("DEBUG: Getting supported attributes...\n", stderr);
926
927 if (http->version < HTTP_1_1)
928 {
929 fprintf(stderr, "DEBUG: Printer responded with HTTP version %d.%d.\n",
930 http->version / 100, http->version % 100);
931 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
932 "cups-ipp-wrong-http-version");
933 }
934
935 supported = cupsDoRequest(http, request, resource);
936 ipp_status = cupsLastError();
937
938 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
939 ippErrorString(ipp_status), cupsLastErrorString());
940
941 if (ipp_status <= IPP_OK_CONFLICT)
942 password_tries = 0;
943 else
944 {
945 fprintf(stderr, "DEBUG: Get-Printer-Attributes returned %s.\n",
946 ippErrorString(ipp_status));
947
948 if (ipp_status == IPP_PRINTER_BUSY ||
949 ipp_status == IPP_SERVICE_UNAVAILABLE)
950 {
951 if (contimeout && (time(NULL) - start_time) > contimeout)
952 {
953 _cupsLangPrintFilter(stderr, "ERROR",
954 _("The printer is not responding."));
955 return (CUPS_BACKEND_FAILED);
956 }
957
958 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
959
960 report_printer_state(supported);
961
962 sleep((unsigned)delay);
963
964 delay = _cupsNextDelay(delay, &prev_delay);
965 }
966 else if ((ipp_status == IPP_BAD_REQUEST ||
967 ipp_status == IPP_VERSION_NOT_SUPPORTED) && version > 10)
968 {
969 /*
970 * Switch to IPP/1.1 or IPP/1.0...
971 */
972
973 if (version >= 20)
974 {
975 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print."));
976 fprintf(stderr,
977 "DEBUG: The printer does not support IPP/%d.%d, trying "
978 "IPP/1.1.\n", version / 10, version % 10);
979 version = 11;
980 }
981 else
982 {
983 _cupsLangPrintFilter(stderr, "INFO", _("Preparing to print."));
984 fprintf(stderr,
985 "DEBUG: The printer does not support IPP/%d.%d, trying "
986 "IPP/1.0.\n", version / 10, version % 10);
987 version = 10;
988 }
989
990 httpReconnect(http);
991 }
992 else if (ipp_status == IPP_NOT_FOUND)
993 {
994 _cupsLangPrintFilter(stderr, "ERROR",
995 _("The printer configuration is incorrect or the "
996 "printer no longer exists."));
997
998 ippDelete(supported);
999
1000 return (CUPS_BACKEND_STOP);
1001 }
1002 else if (ipp_status == IPP_FORBIDDEN ||
1003 ipp_status == IPP_AUTHENTICATION_CANCELED)
1004 {
1005 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1006 /* WWW-Authenticate field value */
1007
1008 if (!strncmp(www_auth, "Negotiate", 9))
1009 auth_info_required = "negotiate";
1010 else if (www_auth[0])
1011 auth_info_required = "username,password";
1012
1013 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
1014 return (CUPS_BACKEND_AUTH_REQUIRED);
1015 }
1016 else if (ipp_status != IPP_NOT_AUTHORIZED)
1017 {
1018 _cupsLangPrintFilter(stderr, "ERROR",
1019 _("Unable to get printer status."));
1020 sleep(10);
1021
1022 httpReconnect(http);
1023 }
1024
1025 ippDelete(supported);
1026 supported = NULL;
1027 continue;
1028 }
1029
1030 if (!getenv("CLASS"))
1031 {
1032 /*
1033 * Check printer-is-accepting-jobs = false and printer-state-reasons for the
1034 * "spool-area-full" keyword...
1035 */
1036
1037 int busy = 0;
1038
1039 if ((printer_accepting = ippFindAttribute(supported,
1040 "printer-is-accepting-jobs",
1041 IPP_TAG_BOOLEAN)) != NULL &&
1042 !printer_accepting->values[0].boolean)
1043 busy = 1;
1044 else if (!printer_accepting)
1045 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1046 "cups-ipp-missing-printer-is-accepting-jobs");
1047
1048 if ((printer_state = ippFindAttribute(supported,
1049 "printer-state-reasons",
1050 IPP_TAG_KEYWORD)) == NULL)
1051 {
1052 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1053 "cups-ipp-missing-printer-state-reasons");
1054 }
1055 else if (!busy)
1056 {
1057 for (i = 0; i < printer_state->num_values; i ++)
1058 {
1059 if (!strcmp(printer_state->values[0].string.text,
1060 "spool-area-full") ||
1061 !strncmp(printer_state->values[0].string.text, "spool-area-full-",
1062 16))
1063 {
1064 busy = 1;
1065 break;
1066 }
1067 }
1068 }
1069
1070 if (busy)
1071 {
1072 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1073
1074 report_printer_state(supported);
1075
1076 sleep((unsigned)delay);
1077
1078 delay = _cupsNextDelay(delay, &prev_delay);
1079
1080 ippDelete(supported);
1081 supported = NULL;
1082 ipp_status = IPP_STATUS_ERROR_BUSY;
1083 continue;
1084 }
1085 }
1086
1087 /*
1088 * Check for supported attributes...
1089 */
1090
1091 #ifdef HAVE_LIBZ
1092 if ((compression_sup = ippFindAttribute(supported, "compression-supported",
1093 IPP_TAG_KEYWORD)) != NULL)
1094 {
1095 /*
1096 * Check whether the requested compression is supported and/or default to
1097 * compression if supported...
1098 */
1099
1100 if (compression && !ippContainsString(compression_sup, compression))
1101 {
1102 fprintf(stderr, "DEBUG: Printer does not support the requested "
1103 "compression value \"%s\".\n", compression);
1104 compression = NULL;
1105 }
1106 else if (!compression && (!strcmp(final_content_type, "image/pwg-raster") || !strcmp(final_content_type, "image/urf")))
1107 {
1108 if (ippContainsString(compression_sup, "gzip"))
1109 compression = "gzip";
1110 else if (ippContainsString(compression_sup, "deflate"))
1111 compression = "deflate";
1112
1113 if (compression)
1114 fprintf(stderr, "DEBUG: Automatically using \"%s\" compression.\n",
1115 compression);
1116 }
1117 }
1118 #endif /* HAVE_LIBZ */
1119
1120 if ((copies_sup = ippFindAttribute(supported, "copies-supported",
1121 IPP_TAG_RANGE)) != NULL)
1122 {
1123 /*
1124 * Has the "copies-supported" attribute - does it have an upper
1125 * bound > 1?
1126 */
1127
1128 fprintf(stderr, "DEBUG: copies-supported=%d-%d\n",
1129 copies_sup->values[0].range.lower,
1130 copies_sup->values[0].range.upper);
1131
1132 if (copies_sup->values[0].range.upper <= 1)
1133 copies_sup = NULL; /* No */
1134 }
1135
1136 cups_version = ippFindAttribute(supported, "cups-version", IPP_TAG_TEXT);
1137
1138 encryption_sup = ippFindAttribute(supported, "job-password-encryption-supported", IPP_TAG_KEYWORD);
1139
1140 if ((format_sup = ippFindAttribute(supported, "document-format-supported",
1141 IPP_TAG_MIMETYPE)) != NULL)
1142 {
1143 fprintf(stderr, "DEBUG: document-format-supported (%d values)\n",
1144 format_sup->num_values);
1145 for (i = 0; i < format_sup->num_values; i ++)
1146 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
1147 format_sup->values[i].string.text);
1148 }
1149
1150 if ((media_col_sup = ippFindAttribute(supported, "media-col-supported",
1151 IPP_TAG_KEYWORD)) != NULL)
1152 {
1153 fprintf(stderr, "DEBUG: media-col-supported (%d values)\n",
1154 media_col_sup->num_values);
1155 for (i = 0; i < media_col_sup->num_values; i ++)
1156 fprintf(stderr, "DEBUG: [%d] = \"%s\"\n", i,
1157 media_col_sup->values[i].string.text);
1158 }
1159
1160 print_color_mode_sup = ippFindAttribute(supported, "print-color-mode-supported", IPP_TAG_KEYWORD);
1161
1162 if ((operations_sup = ippFindAttribute(supported, "operations-supported",
1163 IPP_TAG_ENUM)) != NULL)
1164 {
1165 fprintf(stderr, "DEBUG: operations-supported (%d values)\n",
1166 operations_sup->num_values);
1167 for (i = 0; i < operations_sup->num_values; i ++)
1168 fprintf(stderr, "DEBUG: [%d] = %s\n", i,
1169 ippOpString(operations_sup->values[i].integer));
1170
1171 for (i = 0; i < operations_sup->num_values; i ++)
1172 if (operations_sup->values[i].integer == IPP_PRINT_JOB)
1173 break;
1174
1175 if (i >= operations_sup->num_values)
1176 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1177 "cups-ipp-missing-print-job");
1178
1179 for (i = 0; i < operations_sup->num_values; i ++)
1180 if (operations_sup->values[i].integer == IPP_CANCEL_JOB)
1181 break;
1182
1183 if (i >= operations_sup->num_values)
1184 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1185 "cups-ipp-missing-cancel-job");
1186
1187 for (i = 0; i < operations_sup->num_values; i ++)
1188 if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES)
1189 break;
1190
1191 if (i >= operations_sup->num_values)
1192 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1193 "cups-ipp-missing-get-job-attributes");
1194
1195 for (i = 0; i < operations_sup->num_values; i ++)
1196 if (operations_sup->values[i].integer == IPP_GET_PRINTER_ATTRIBUTES)
1197 break;
1198
1199 if (i >= operations_sup->num_values)
1200 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1201 "cups-ipp-missing-get-printer-attributes");
1202
1203 for (i = 0; i < operations_sup->num_values; i ++)
1204 {
1205 if (operations_sup->values[i].integer == IPP_VALIDATE_JOB)
1206 validate_job = 1;
1207 else if (operations_sup->values[i].integer == IPP_CREATE_JOB)
1208 create_job = 1;
1209 else if (operations_sup->values[i].integer == IPP_SEND_DOCUMENT)
1210 send_document = 1;
1211 else if (operations_sup->values[i].integer == IPP_GET_JOB_ATTRIBUTES)
1212 get_job_attrs = 1;
1213 }
1214
1215 if (create_job && !send_document)
1216 {
1217 fputs("DEBUG: Printer supports Create-Job but not Send-Document.\n",
1218 stderr);
1219 create_job = 0;
1220
1221 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1222 "cups-ipp-missing-send-document");
1223 }
1224
1225 if (!validate_job)
1226 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1227 "cups-ipp-missing-validate-job");
1228 }
1229 else
1230 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1231 "cups-ipp-missing-operations-supported");
1232
1233 doc_handling_sup = ippFindAttribute(supported,
1234 "multiple-document-handling-supported",
1235 IPP_TAG_KEYWORD);
1236
1237 report_printer_state(supported);
1238 }
1239 while (!job_canceled && ipp_status > IPP_OK_CONFLICT);
1240
1241 if (job_canceled)
1242 return (CUPS_BACKEND_OK);
1243
1244 /*
1245 * See if the printer is accepting jobs and is not stopped; if either
1246 * condition is true and we are printing to a class, requeue the job...
1247 */
1248
1249 if (getenv("CLASS") != NULL)
1250 {
1251 printer_state = ippFindAttribute(supported, "printer-state",
1252 IPP_TAG_ENUM);
1253 printer_accepting = ippFindAttribute(supported, "printer-is-accepting-jobs",
1254 IPP_TAG_BOOLEAN);
1255
1256 if (printer_state == NULL ||
1257 (printer_state->values[0].integer > IPP_PRINTER_PROCESSING &&
1258 waitprinter) ||
1259 printer_accepting == NULL ||
1260 !printer_accepting->values[0].boolean)
1261 {
1262 /*
1263 * If the CLASS environment variable is set, the job was submitted
1264 * to a class and not to a specific queue. In this case, we want
1265 * to abort immediately so that the job can be requeued on the next
1266 * available printer in the class.
1267 */
1268
1269 _cupsLangPrintFilter(stderr, "INFO",
1270 _("Unable to contact printer, queuing on next "
1271 "printer in class."));
1272
1273 ippDelete(supported);
1274 httpClose(http);
1275
1276 /*
1277 * Sleep 5 seconds to keep the job from requeuing too rapidly...
1278 */
1279
1280 sleep(5);
1281
1282 return (CUPS_BACKEND_FAILED);
1283 }
1284 }
1285
1286 /*
1287 * See if the printer supports multiple copies...
1288 */
1289
1290 copies = atoi(argv[4]);
1291
1292 if (copies_sup || argc < 7)
1293 copies_remaining = 1;
1294 else
1295 copies_remaining = copies;
1296
1297 /*
1298 * Prepare remaining printing options...
1299 */
1300
1301 options = NULL;
1302
1303 if (send_options)
1304 {
1305 num_options = cupsParseOptions(argv[5], 0, &options);
1306
1307 if (!cups_version && media_col_sup)
1308 {
1309 /*
1310 * Load the PPD file and generate PWG attribute mapping information...
1311 */
1312
1313 ppd_attr_t *mandatory; /* cupsMandatory value */
1314
1315 ppd = ppdOpenFile(getenv("PPD"));
1316 pc = _ppdCacheCreateWithPPD(ppd);
1317
1318 ppdMarkDefaults(ppd);
1319 cupsMarkOptions(ppd, num_options, options);
1320
1321 if ((mandatory = ppdFindAttr(ppd, "cupsMandatory", NULL)) != NULL)
1322 strlcpy(mandatory_attrs, mandatory->value, sizeof(mandatory_attrs));
1323 }
1324
1325 /*
1326 * Validate job-password/-encryption...
1327 */
1328
1329 if (cupsGetOption("job-password", num_options, options))
1330 {
1331 const char *keyword; /* job-password-encryption value */
1332 static const char * const hashes[] =
1333 { /* List of supported hash algorithms, in order of preference */
1334 "sha-512",
1335 "sha-384",
1336 "sha-512_256",
1337 "sha-512-224",
1338 "sha-256",
1339 "sha-224",
1340 "sha",
1341 "none"
1342 };
1343
1344 if ((keyword = cupsGetOption("job-password-encryption", num_options, options)) == NULL || !ippContainsString(encryption_sup, keyword))
1345 {
1346 /*
1347 * Either no job-password-encryption or the value isn't supported by
1348 * the printer...
1349 */
1350
1351 for (i = 0; i < (int)(sizeof(hashes) / sizeof(hashes[0])); i ++)
1352 if (ippContainsString(encryption_sup, hashes[i]))
1353 break;
1354
1355 if (i < (int)(sizeof(hashes) / sizeof(hashes[0])))
1356 num_options = cupsAddOption("job-password-encryption", hashes[i], num_options, &options);
1357 }
1358 }
1359 }
1360 else
1361 num_options = 0;
1362
1363 document_format = NULL;
1364
1365 if (format_sup != NULL)
1366 {
1367 if (ippContainsString(format_sup, final_content_type))
1368 document_format = final_content_type;
1369 else if (ippContainsString(format_sup, "application/octet-stream"))
1370 document_format = "application/octet-stream";
1371 }
1372
1373 fprintf(stderr, "DEBUG: final_content_type=\"%s\", document_format=\"%s\"\n",
1374 final_content_type, document_format ? document_format : "(null)");
1375
1376 /*
1377 * If the printer does not support HTTP/1.1 (which IPP requires), copy stdin
1378 * to a temporary file so that we can do a HTTP/1.0 submission...
1379 *
1380 * (I hate compatibility hacks!)
1381 */
1382
1383 if (http->version < HTTP_1_1 && num_files == 0)
1384 {
1385 if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0)
1386 {
1387 perror("DEBUG: Unable to create temporary file");
1388 return (CUPS_BACKEND_FAILED);
1389 }
1390
1391 _cupsLangPrintFilter(stderr, "INFO", _("Copying print data."));
1392
1393 if ((compatsize = write(fd, buffer, (size_t)bytes)) < 0)
1394 {
1395 perror("DEBUG: Unable to write temporary file");
1396 return (CUPS_BACKEND_FAILED);
1397 }
1398
1399 if ((bytes = backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0,
1400 backendNetworkSideCB)) < 0)
1401 return (CUPS_BACKEND_FAILED);
1402
1403 compatsize += bytes;
1404
1405 close(fd);
1406
1407 compatfile = tmpfilename;
1408 files = &compatfile;
1409 num_files = 1;
1410 }
1411 else if (http->version < HTTP_1_1 && num_files == 1)
1412 {
1413 struct stat fileinfo; /* File information */
1414
1415 if (!stat(files[0], &fileinfo))
1416 compatsize = fileinfo.st_size;
1417 }
1418
1419 /*
1420 * If the printer only claims to support IPP/1.0, or if the user specifically
1421 * included version=1.0 in the URI, then do not try to use Create-Job or
1422 * Send-Document. This is another dreaded compatibility hack, but
1423 * unfortunately there are enough broken printers out there that we need
1424 * this for now...
1425 */
1426
1427 if (version == 10)
1428 create_job = send_document = 0;
1429
1430 /*
1431 * Start monitoring the printer in the background...
1432 */
1433
1434 monitor.uri = uri;
1435 monitor.hostname = hostname;
1436 monitor.user = argv[2];
1437 monitor.resource = resource;
1438 monitor.port = port;
1439 monitor.version = version;
1440 monitor.job_id = 0;
1441 monitor.create_job = create_job;
1442 monitor.get_job_attrs = get_job_attrs;
1443 monitor.encryption = cupsEncryption();
1444 monitor.job_state = IPP_JOB_PENDING;
1445 monitor.printer_state = IPP_PRINTER_IDLE;
1446
1447 if (create_job)
1448 {
1449 monitor.job_name = argv[3];
1450 }
1451 else
1452 {
1453 snprintf(print_job_name, sizeof(print_job_name), "%s - %s", argv[1],
1454 argv[3]);
1455 monitor.job_name = print_job_name;
1456 }
1457
1458 _cupsThreadCreate((_cups_thread_func_t)monitor_printer, &monitor);
1459
1460 /*
1461 * Validate access to the printer...
1462 */
1463
1464 while (!job_canceled && validate_job)
1465 {
1466 request = new_request(IPP_OP_VALIDATE_JOB, version, uri, argv[2],
1467 monitor.job_name, num_options, options, compression,
1468 copies_sup ? copies : 1, document_format, pc, ppd,
1469 media_col_sup, doc_handling_sup, print_color_mode_sup);
1470
1471 response = cupsDoRequest(http, request, resource);
1472
1473 ipp_status = cupsLastError();
1474
1475 fprintf(stderr, "DEBUG: Validate-Job: %s (%s)\n",
1476 ippErrorString(ipp_status), cupsLastErrorString());
1477 debug_attributes(response);
1478
1479 if ((job_auth = ippFindAttribute(response, "job-authorization-uri",
1480 IPP_TAG_URI)) != NULL)
1481 num_options = cupsAddOption("job-authorization-uri",
1482 ippGetString(job_auth, 0, NULL), num_options,
1483 &options);
1484
1485 ippDelete(response);
1486
1487 if (job_canceled)
1488 break;
1489
1490 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1491 ipp_status == IPP_STATUS_ERROR_BUSY)
1492 {
1493 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1494 sleep(10);
1495 }
1496 else if (ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED ||
1497 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
1498 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1499 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1500 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1501 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
1502 goto cleanup;
1503 else if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1504 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED ||
1505 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1506 {
1507 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1508 /* WWW-Authenticate field value */
1509
1510 if (!strncmp(www_auth, "Negotiate", 9))
1511 auth_info_required = "negotiate";
1512 else if (www_auth[0])
1513 auth_info_required = "username,password";
1514
1515 goto cleanup;
1516 }
1517 else if (ipp_status == IPP_STATUS_ERROR_OPERATION_NOT_SUPPORTED)
1518 {
1519 /*
1520 * This is all too common...
1521 */
1522
1523 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1524 "cups-ipp-missing-validate-job");
1525 break;
1526 }
1527 else if (ipp_status < IPP_REDIRECTION_OTHER_SITE ||
1528 ipp_status == IPP_BAD_REQUEST)
1529 break;
1530 else if (job_auth == NULL && ipp_status > IPP_BAD_REQUEST)
1531 goto cleanup;
1532 }
1533
1534 /*
1535 * Then issue the print-job request...
1536 */
1537
1538 job_id = 0;
1539
1540 while (!job_canceled && copies_remaining > 0)
1541 {
1542 /*
1543 * Check for side-channel requests...
1544 */
1545
1546 backendCheckSideChannel(snmp_fd, http->hostaddr);
1547
1548 /*
1549 * Build the IPP job creation request...
1550 */
1551
1552 if (job_canceled)
1553 break;
1554
1555 request = new_request((num_files > 1 || create_job) ? IPP_CREATE_JOB :
1556 IPP_PRINT_JOB,
1557 version, uri, argv[2], monitor.job_name, num_options,
1558 options, compression, copies_sup ? copies : 1,
1559 document_format, pc, ppd, media_col_sup,
1560 doc_handling_sup, print_color_mode_sup);
1561
1562 /*
1563 * Do the request...
1564 */
1565
1566 if (num_files > 1 || create_job)
1567 response = cupsDoRequest(http, request, resource);
1568 else
1569 {
1570 size_t length = 0; /* Length of request */
1571
1572 if (compatsize > 0)
1573 {
1574 fputs("DEBUG: Sending file using HTTP/1.0 Content-Length...\n", stderr);
1575 length = ippLength(request) + (size_t)compatsize;
1576 }
1577 else
1578 fputs("DEBUG: Sending file using HTTP/1.1 chunking...\n", stderr);
1579
1580 http_status = cupsSendRequest(http, request, resource, length);
1581 if (http_status == HTTP_CONTINUE && request->state == IPP_DATA)
1582 {
1583 if (compression && strcmp(compression, "none"))
1584 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression);
1585
1586 if (num_files == 1)
1587 {
1588 if ((fd = open(files[0], O_RDONLY)) < 0)
1589 {
1590 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1591 return (CUPS_BACKEND_FAILED);
1592 }
1593 }
1594 else
1595 {
1596 fd = 0;
1597 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes);
1598 }
1599
1600 while (http_status == HTTP_CONTINUE &&
1601 (!job_canceled || compatsize > 0))
1602 {
1603 /*
1604 * Check for side-channel requests and more print data...
1605 */
1606
1607 FD_ZERO(&input);
1608 FD_SET(fd, &input);
1609 FD_SET(snmp_fd, &input);
1610 FD_SET(CUPS_SC_FD, &input);
1611
1612 while (select(fd > snmp_fd ? fd + 1 : snmp_fd + 1, &input, NULL, NULL,
1613 NULL) <= 0 && !job_canceled);
1614
1615 if (FD_ISSET(snmp_fd, &input))
1616 backendCheckSideChannel(snmp_fd, http->hostaddr);
1617
1618 if (FD_ISSET(fd, &input))
1619 {
1620 if ((bytes = read(fd, buffer, sizeof(buffer))) > 0)
1621 {
1622 fprintf(stderr, "DEBUG: Read %d bytes...\n", (int)bytes);
1623
1624 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes))
1625 != HTTP_CONTINUE)
1626 break;
1627 }
1628 else if (bytes == 0 || (errno != EINTR && errno != EAGAIN))
1629 break;
1630 }
1631 }
1632
1633 if (http_status == HTTP_ERROR)
1634 fprintf(stderr, "DEBUG: Error writing document data for "
1635 "Print-Job: %s\n", strerror(httpError(http)));
1636
1637 if (num_files == 1)
1638 close(fd);
1639 }
1640
1641 response = cupsGetResponse(http, resource);
1642 ippDelete(request);
1643 }
1644
1645 ipp_status = cupsLastError();
1646
1647 fprintf(stderr, "DEBUG: %s: %s (%s)\n",
1648 (num_files > 1 || create_job) ? "Create-Job" : "Print-Job",
1649 ippErrorString(ipp_status), cupsLastErrorString());
1650 debug_attributes(response);
1651
1652 if (ipp_status > IPP_OK_CONFLICT)
1653 {
1654 job_id = 0;
1655
1656 if (job_canceled)
1657 break;
1658
1659 if (ipp_status == IPP_STATUS_ERROR_SERVICE_UNAVAILABLE ||
1660 ipp_status == IPP_STATUS_ERROR_NOT_POSSIBLE ||
1661 ipp_status == IPP_STATUS_ERROR_BUSY)
1662 {
1663 _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use."));
1664 sleep(10);
1665
1666 if (num_files == 0)
1667 {
1668 /*
1669 * We can't re-submit when we have no files to print, so exit
1670 * immediately with the right status code...
1671 */
1672
1673 goto cleanup;
1674 }
1675 }
1676 else if (ipp_status == IPP_STATUS_ERROR_JOB_CANCELED ||
1677 ipp_status == IPP_STATUS_ERROR_NOT_AUTHORIZED ||
1678 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
1679 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1680 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1681 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1682 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
1683 goto cleanup;
1684 else
1685 {
1686 /*
1687 * Update auth-info-required as needed...
1688 */
1689
1690 _cupsLangPrintFilter(stderr, "ERROR",
1691 _("Print job was not accepted."));
1692
1693 if (ipp_status == IPP_STATUS_ERROR_FORBIDDEN ||
1694 ipp_status == IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED)
1695 {
1696 const char *www_auth = httpGetField(http, HTTP_FIELD_WWW_AUTHENTICATE);
1697 /* WWW-Authenticate field value */
1698
1699 if (!strncmp(www_auth, "Negotiate", 9))
1700 auth_info_required = "negotiate";
1701 else if (www_auth[0])
1702 auth_info_required = "username,password";
1703 }
1704 else if (ipp_status == IPP_REQUEST_VALUE)
1705 {
1706 /*
1707 * Print file is too large, abort this job...
1708 */
1709
1710 goto cleanup;
1711 }
1712 else
1713 sleep(10);
1714
1715 if (num_files == 0)
1716 {
1717 /*
1718 * We can't re-submit when we have no files to print, so exit
1719 * immediately with the right status code...
1720 */
1721
1722 goto cleanup;
1723 }
1724 }
1725 }
1726 else if ((job_id_attr = ippFindAttribute(response, "job-id",
1727 IPP_TAG_INTEGER)) == NULL)
1728 {
1729 fputs("DEBUG: Print job accepted - job ID unknown.\n", stderr);
1730 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1731 "cups-ipp-missing-job-id");
1732 job_id = 0;
1733 }
1734 else
1735 {
1736 password_tries = 0;
1737 monitor.job_id = job_id = job_id_attr->values[0].integer;
1738 fprintf(stderr, "DEBUG: Print job accepted - job ID %d.\n", job_id);
1739 }
1740
1741 ippDelete(response);
1742
1743 if (job_canceled)
1744 break;
1745
1746 if (job_id && (num_files > 1 || create_job))
1747 {
1748 for (i = 0; num_files == 0 || i < num_files; i ++)
1749 {
1750 /*
1751 * Check for side-channel requests...
1752 */
1753
1754 backendCheckSideChannel(snmp_fd, http->hostaddr);
1755
1756 /*
1757 * Send the next file in the job...
1758 */
1759
1760 request = ippNewRequest(IPP_SEND_DOCUMENT);
1761 ippSetVersion(request, version / 10, version % 10);
1762
1763 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
1764 NULL, uri);
1765
1766 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
1767 job_id);
1768
1769 if (argv[2][0])
1770 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1771 "requesting-user-name", NULL, argv[2]);
1772
1773 ippAddBoolean(request, IPP_TAG_OPERATION, "last-document",
1774 (i + 1) >= num_files);
1775
1776 if (document_format)
1777 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE,
1778 "document-format", NULL, document_format);
1779
1780 if (compression)
1781 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1782 "compression", NULL, compression);
1783
1784 fprintf(stderr, "DEBUG: Sending file %d using chunking...\n", i + 1);
1785 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, ippOpString(ippGetOperation(request)), ippGetRequestId(request));
1786 debug_attributes(request);
1787
1788 http_status = cupsSendRequest(http, request, resource, 0);
1789 if (http_status == HTTP_CONTINUE && request->state == IPP_DATA)
1790 {
1791 if (compression && strcmp(compression, "none"))
1792 httpSetField(http, HTTP_FIELD_CONTENT_ENCODING, compression);
1793
1794 if (num_files == 0)
1795 {
1796 fd = 0;
1797 http_status = cupsWriteRequestData(http, buffer, (size_t)bytes);
1798 }
1799 else
1800 {
1801 if ((fd = open(files[i], O_RDONLY)) < 0)
1802 {
1803 _cupsLangPrintError("ERROR", _("Unable to open print file"));
1804 return (CUPS_BACKEND_FAILED);
1805 }
1806 }
1807 }
1808 else
1809 fd = -1;
1810
1811 if (fd >= 0)
1812 {
1813 while (!job_canceled && http_status == HTTP_CONTINUE &&
1814 (bytes = read(fd, buffer, sizeof(buffer))) > 0)
1815 {
1816 if ((http_status = cupsWriteRequestData(http, buffer, (size_t)bytes))
1817 != HTTP_CONTINUE)
1818 break;
1819 else
1820 {
1821 /*
1822 * Check for side-channel requests...
1823 */
1824
1825 backendCheckSideChannel(snmp_fd, http->hostaddr);
1826 }
1827 }
1828
1829 if (fd > 0)
1830 close(fd);
1831 }
1832
1833 if (http_status == HTTP_ERROR)
1834 fprintf(stderr, "DEBUG: Error writing document data for "
1835 "Send-Document: %s\n", strerror(httpError(http)));
1836
1837 response = cupsGetResponse(http, resource);
1838 ippDelete(request);
1839
1840 fprintf(stderr, "DEBUG: Send-Document: %s (%s)\n",
1841 ippErrorString(cupsLastError()), cupsLastErrorString());
1842 debug_attributes(response);
1843 ippDelete(response);
1844
1845 if (cupsLastError() > IPP_OK_CONFLICT && !job_canceled)
1846 {
1847 ipp_status = cupsLastError();
1848
1849 _cupsLangPrintFilter(stderr, "ERROR",
1850 _("Unable to add document to print job."));
1851 break;
1852 }
1853 else
1854 {
1855 password_tries = 0;
1856
1857 if (num_files == 0 || fd < 0)
1858 break;
1859 }
1860 }
1861 }
1862
1863 if (job_canceled)
1864 break;
1865
1866 if (ipp_status <= IPP_OK_CONFLICT && argc > 6)
1867 {
1868 fprintf(stderr, "PAGE: 1 %d\n", copies_sup ? atoi(argv[4]) : 1);
1869 copies_remaining --;
1870 }
1871 else if ((ipp_status == IPP_STATUS_ERROR_DOCUMENT_FORMAT_ERROR || ipp_status == IPP_STATUS_ERROR_DOCUMENT_UNPRINTABLE) &&
1872 argc == 6 &&
1873 document_format && strcmp(document_format, "image/pwg-raster") && strcmp(document_format, "image/urf"))
1874 {
1875 /*
1876 * Need to reprocess the job as raster...
1877 */
1878
1879 fputs("JOBSTATE: cups-retry-as-raster\n", stderr);
1880 if (job_id > 0)
1881 cancel_job(http, uri, job_id, resource, argv[2], version);
1882
1883 goto cleanup;
1884 }
1885 else if (ipp_status == IPP_SERVICE_UNAVAILABLE ||
1886 ipp_status == IPP_NOT_POSSIBLE ||
1887 ipp_status == IPP_PRINTER_BUSY)
1888 {
1889 if (argc == 6)
1890 {
1891 /*
1892 * Need to reprocess the entire job; if we have a job ID, cancel the
1893 * job first...
1894 */
1895
1896 if (job_id > 0)
1897 cancel_job(http, uri, job_id, resource, argv[2], version);
1898
1899 goto cleanup;
1900 }
1901 continue;
1902 }
1903 else if (ipp_status == IPP_REQUEST_VALUE ||
1904 ipp_status == IPP_ERROR_JOB_CANCELED ||
1905 ipp_status == IPP_NOT_AUTHORIZED ||
1906 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
1907 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
1908 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
1909 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED ||
1910 ipp_status == IPP_INTERNAL_ERROR)
1911 {
1912 /*
1913 * Print file is too large, job was canceled, we need new
1914 * authentication data, or we had some sort of error...
1915 */
1916
1917 goto cleanup;
1918 }
1919 else if (ipp_status == IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED)
1920 {
1921 /*
1922 * Server is configured incorrectly; the policy for Create-Job and
1923 * Send-Document has to be the same (auth or no auth, encryption or
1924 * no encryption). Force the queue to stop since printing will never
1925 * work.
1926 */
1927
1928 fputs("DEBUG: The server or printer is configured incorrectly.\n",
1929 stderr);
1930 fputs("DEBUG: The policy for Create-Job and Send-Document must have the "
1931 "same authentication and encryption requirements.\n", stderr);
1932
1933 ipp_status = IPP_STATUS_ERROR_INTERNAL;
1934
1935 if (job_id > 0)
1936 cancel_job(http, uri, job_id, resource, argv[2], version);
1937
1938 goto cleanup;
1939 }
1940 else if (ipp_status == IPP_NOT_FOUND)
1941 {
1942 /*
1943 * Printer does not actually implement support for Create-Job/
1944 * Send-Document, so log the conformance issue and stop the printer.
1945 */
1946
1947 fputs("DEBUG: This printer claims to support Create-Job and "
1948 "Send-Document, but those operations failed.\n", stderr);
1949 fputs("DEBUG: Add '?version=1.0' to the device URI to use legacy "
1950 "compatibility mode.\n", stderr);
1951 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
1952 "cups-ipp-missing-send-document");
1953
1954 ipp_status = IPP_INTERNAL_ERROR; /* Force queue to stop */
1955
1956 goto cleanup;
1957 }
1958 else
1959 copies_remaining --;
1960
1961 /*
1962 * Wait for the job to complete...
1963 */
1964
1965 if (!job_id || !waitjob || !get_job_attrs)
1966 continue;
1967
1968 fputs("STATE: +cups-waiting-for-job-completed\n", stderr);
1969
1970 _cupsLangPrintFilter(stderr, "INFO", _("Waiting for job to complete."));
1971
1972 for (delay = _cupsNextDelay(0, &prev_delay), waittime = time(NULL) + 30; !job_canceled;)
1973 {
1974 /*
1975 * Check for side-channel requests...
1976 */
1977
1978 backendCheckSideChannel(snmp_fd, http->hostaddr);
1979
1980 /*
1981 * Check printer state...
1982 */
1983
1984 check_printer_state(http, uri, resource, argv[2], version);
1985
1986 if (cupsLastError() <= IPP_OK_CONFLICT)
1987 password_tries = 0;
1988
1989 /*
1990 * Build an IPP_GET_JOB_ATTRIBUTES request...
1991 */
1992
1993 request = ippNewRequest(IPP_GET_JOB_ATTRIBUTES);
1994 ippSetVersion(request, version / 10, version % 10);
1995
1996 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
1997 NULL, uri);
1998
1999 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
2000 job_id);
2001
2002 if (argv[2][0])
2003 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2004 "requesting-user-name", NULL, argv[2]);
2005
2006 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2007 "requested-attributes", sizeof(jattrs) / sizeof(jattrs[0]),
2008 NULL, jattrs);
2009
2010 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, ippOpString(ippGetOperation(request)), ippGetRequestId(request));
2011 debug_attributes(request);
2012
2013 /*
2014 * Do the request...
2015 */
2016
2017 httpReconnect(http);
2018 response = cupsDoRequest(http, request, resource);
2019 ipp_status = cupsLastError();
2020
2021 if (ipp_status == IPP_NOT_FOUND || ipp_status == IPP_NOT_POSSIBLE)
2022 {
2023 /*
2024 * Job has gone away and/or the server has no job history...
2025 */
2026
2027 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
2028 "cups-ipp-missing-job-history");
2029 ippDelete(response);
2030
2031 ipp_status = IPP_OK;
2032 break;
2033 }
2034
2035 fprintf(stderr, "DEBUG: Get-Job-Attributes: %s (%s)\n",
2036 ippErrorString(ipp_status), cupsLastErrorString());
2037 debug_attributes(response);
2038
2039 if (ipp_status <= IPP_OK_CONFLICT)
2040 password_tries = 0;
2041 else
2042 {
2043 if (ipp_status != IPP_SERVICE_UNAVAILABLE &&
2044 ipp_status != IPP_PRINTER_BUSY)
2045 {
2046 ippDelete(response);
2047 ipp_status = IPP_OK;
2048 break;
2049 }
2050 else if (ipp_status == IPP_INTERNAL_ERROR)
2051 {
2052 waitjob_tries ++;
2053
2054 if (waitjob_tries > 4)
2055 {
2056 ippDelete(response);
2057 ipp_status = IPP_OK;
2058 break;
2059 }
2060 }
2061 }
2062
2063 if (response)
2064 {
2065 if ((job_state = ippFindAttribute(response, "job-state",
2066 IPP_TAG_ENUM)) != NULL)
2067 {
2068 /*
2069 * Reflect the remote job state in the local queue...
2070 */
2071
2072 if (cups_version &&
2073 job_state->values[0].integer >= IPP_JOB_PENDING &&
2074 job_state->values[0].integer <= IPP_JOB_COMPLETED)
2075 update_reasons(NULL,
2076 remote_job_states[job_state->values[0].integer -
2077 IPP_JOB_PENDING]);
2078
2079 if ((job_sheets = ippFindAttribute(response, "job-impressions-completed", IPP_TAG_INTEGER)) == NULL)
2080 job_sheets = ippFindAttribute(response, "job-media-sheets-completed", IPP_TAG_INTEGER);
2081
2082 if (job_sheets)
2083 fprintf(stderr, "PAGE: total %d\n",
2084 job_sheets->values[0].integer);
2085
2086 /*
2087 * Stop polling if the job is finished or pending-held for 30 seconds...
2088 */
2089
2090 if (job_state->values[0].integer > IPP_JSTATE_STOPPED ||
2091 (job_state->values[0].integer == IPP_JSTATE_HELD && time(NULL) > waittime))
2092 {
2093 ippDelete(response);
2094 break;
2095 }
2096 }
2097 else if (ipp_status != IPP_SERVICE_UNAVAILABLE &&
2098 ipp_status != IPP_NOT_POSSIBLE &&
2099 ipp_status != IPP_PRINTER_BUSY)
2100 {
2101 /*
2102 * If the printer does not return a job-state attribute, it does not
2103 * conform to the IPP specification - break out immediately and fail
2104 * the job...
2105 */
2106
2107 update_reasons(NULL, "+cups-ipp-conformance-failure-report,"
2108 "cups-ipp-missing-job-state");
2109 ipp_status = IPP_INTERNAL_ERROR;
2110 break;
2111 }
2112 }
2113
2114 ippDelete(response);
2115
2116 /*
2117 * Wait before polling again...
2118 */
2119
2120 sleep((unsigned)delay);
2121
2122 delay = _cupsNextDelay(delay, &prev_delay);
2123 }
2124 }
2125
2126 /*
2127 * Cancel the job as needed...
2128 */
2129
2130 if (job_canceled > 0 && job_id > 0)
2131 {
2132 cancel_job(http, uri, job_id, resource, argv[2], version);
2133
2134 if (cupsLastError() > IPP_OK_CONFLICT)
2135 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
2136 }
2137
2138 /*
2139 * Check the printer state and report it if necessary...
2140 */
2141
2142 check_printer_state(http, uri, resource, argv[2], version);
2143
2144 if (cupsLastError() <= IPP_OK_CONFLICT)
2145 password_tries = 0;
2146
2147 /*
2148 * Collect the final page count as needed...
2149 */
2150
2151 if (have_supplies &&
2152 !backendSNMPSupplies(snmp_fd, &(http->addrlist->addr), &page_count,
2153 NULL) &&
2154 page_count > start_count)
2155 fprintf(stderr, "PAGE: total %d\n", page_count - start_count);
2156
2157 #ifdef HAVE_GSSAPI
2158 /*
2159 * See if we used Kerberos at all...
2160 */
2161
2162 if (http->gssctx)
2163 auth_info_required = "negotiate";
2164 #endif /* HAVE_GSSAPI */
2165
2166 /*
2167 * Free memory...
2168 */
2169
2170 cleanup:
2171
2172 cupsFreeOptions(num_options, options);
2173 _ppdCacheDestroy(pc);
2174 ppdClose(ppd);
2175
2176 httpClose(http);
2177
2178 ippDelete(supported);
2179
2180 /*
2181 * Remove the temporary file(s) if necessary...
2182 */
2183
2184 if (tmpfilename[0])
2185 unlink(tmpfilename);
2186
2187 /*
2188 * Return the queue status...
2189 */
2190
2191 if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN ||
2192 ipp_status == IPP_AUTHENTICATION_CANCELED ||
2193 ipp_status <= IPP_OK_CONFLICT)
2194 fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
2195
2196 if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED)
2197 fputs("JOBSTATE: account-info-needed\n", stderr);
2198 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED)
2199 fputs("JOBSTATE: account-closed\n", stderr);
2200 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED)
2201 fputs("JOBSTATE: account-limit-reached\n", stderr);
2202 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
2203 fputs("JOBSTATE: account-authorization-failed\n", stderr);
2204
2205 if (ipp_status == IPP_NOT_AUTHORIZED || ipp_status == IPP_FORBIDDEN ||
2206 ipp_status == IPP_AUTHENTICATION_CANCELED)
2207 return (CUPS_BACKEND_AUTH_REQUIRED);
2208 else if (ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED ||
2209 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED ||
2210 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED ||
2211 ipp_status == IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED)
2212 return (CUPS_BACKEND_HOLD);
2213 else if (ipp_status == IPP_INTERNAL_ERROR)
2214 return (CUPS_BACKEND_STOP);
2215 else if (ipp_status == IPP_CONFLICT || ipp_status == IPP_STATUS_ERROR_REQUEST_ENTITY || ipp_status == IPP_STATUS_ERROR_REQUEST_VALUE)
2216 return (CUPS_BACKEND_FAILED);
2217 else if (ipp_status == IPP_REQUEST_VALUE ||
2218 ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES ||
2219 ipp_status == IPP_DOCUMENT_FORMAT || job_canceled < 0)
2220 {
2221 if (ipp_status == IPP_REQUEST_VALUE)
2222 _cupsLangPrintFilter(stderr, "ERROR", _("Print job too large."));
2223 else if (ipp_status == IPP_DOCUMENT_FORMAT)
2224 _cupsLangPrintFilter(stderr, "ERROR",
2225 _("Printer cannot print supplied content."));
2226 else if (ipp_status == IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES)
2227 _cupsLangPrintFilter(stderr, "ERROR",
2228 _("Printer cannot print with supplied options."));
2229 else
2230 _cupsLangPrintFilter(stderr, "ERROR", _("Print job canceled at printer."));
2231
2232 return (CUPS_BACKEND_CANCEL);
2233 }
2234 else if (ipp_status > IPP_OK_CONFLICT && ipp_status != IPP_ERROR_JOB_CANCELED)
2235 return (CUPS_BACKEND_RETRY_CURRENT);
2236 else
2237 return (CUPS_BACKEND_OK);
2238 }
2239
2240
2241 /*
2242 * 'cancel_job()' - Cancel a print job.
2243 */
2244
2245 static void
2246 cancel_job(http_t *http, /* I - HTTP connection */
2247 const char *uri, /* I - printer-uri */
2248 int id, /* I - job-id */
2249 const char *resource, /* I - Resource path */
2250 const char *user, /* I - requesting-user-name */
2251 int version) /* I - IPP version */
2252 {
2253 ipp_t *request; /* Cancel-Job request */
2254
2255
2256 _cupsLangPrintFilter(stderr, "INFO", _("Canceling print job."));
2257
2258 request = ippNewRequest(IPP_CANCEL_JOB);
2259 ippSetVersion(request, version / 10, version % 10);
2260
2261 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2262 NULL, uri);
2263 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", id);
2264
2265 if (user && user[0])
2266 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2267 "requesting-user-name", NULL, user);
2268
2269 /*
2270 * Do the request...
2271 */
2272
2273 ippDelete(cupsDoRequest(http, request, resource));
2274 }
2275
2276
2277 /*
2278 * 'check_printer_state()' - Check the printer state.
2279 */
2280
2281 static ipp_pstate_t /* O - Current printer-state */
2282 check_printer_state(
2283 http_t *http, /* I - HTTP connection */
2284 const char *uri, /* I - Printer URI */
2285 const char *resource, /* I - Resource path */
2286 const char *user, /* I - Username, if any */
2287 int version) /* I - IPP version */
2288 {
2289 ipp_t *request, /* IPP request */
2290 *response; /* IPP response */
2291 ipp_attribute_t *attr; /* Attribute in response */
2292 ipp_pstate_t printer_state = IPP_PRINTER_STOPPED;
2293 /* Current printer-state */
2294
2295
2296 /*
2297 * Send a Get-Printer-Attributes request and log the results...
2298 */
2299
2300 request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
2301 ippSetVersion(request, version / 10, version % 10);
2302
2303 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2304 NULL, uri);
2305
2306 if (user && user[0])
2307 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2308 "requesting-user-name", NULL, user);
2309
2310 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2311 "requested-attributes",
2312 (int)(sizeof(pattrs) / sizeof(pattrs[0])), NULL, pattrs);
2313
2314 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, ippOpString(ippGetOperation(request)), ippGetRequestId(request));
2315 debug_attributes(request);
2316
2317 if ((response = cupsDoRequest(http, request, resource)) != NULL)
2318 {
2319 report_printer_state(response);
2320
2321 if ((attr = ippFindAttribute(response, "printer-state",
2322 IPP_TAG_ENUM)) != NULL)
2323 printer_state = (ipp_pstate_t)attr->values[0].integer;
2324 }
2325
2326 fprintf(stderr, "DEBUG: Get-Printer-Attributes: %s (%s)\n",
2327 ippErrorString(cupsLastError()), cupsLastErrorString());
2328 debug_attributes(response);
2329 ippDelete(response);
2330
2331 /*
2332 * Return the printer-state value...
2333 */
2334
2335 return (printer_state);
2336 }
2337
2338
2339 /*
2340 * 'debug_attributes()' - Print out the request or response attributes as DEBUG
2341 * messages...
2342 */
2343
2344 static void
2345 debug_attributes(ipp_t *ipp) /* I - Request or response message */
2346 {
2347 ipp_tag_t group; /* Current group */
2348 ipp_attribute_t *attr; /* Current attribute */
2349 char buffer[1024]; /* Value buffer */
2350
2351
2352 for (group = IPP_TAG_ZERO, attr = ippFirstAttribute(ipp);
2353 attr;
2354 attr = ippNextAttribute(ipp))
2355 {
2356 const char *name = ippGetName(attr);
2357
2358 if (!name)
2359 {
2360 group = IPP_TAG_ZERO;
2361 continue;
2362 }
2363
2364 if (group != ippGetGroupTag(attr))
2365 {
2366 group = ippGetGroupTag(attr);
2367 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(group));
2368 }
2369
2370 if (!strcmp(name, "job-password"))
2371 strlcpy(buffer, "---", sizeof(buffer));
2372 else
2373 ippAttributeString(attr, buffer, sizeof(buffer));
2374
2375 fprintf(stderr, "DEBUG: %s %s%s %s\n", name,
2376 ippGetCount(attr) > 1 ? "1setOf " : "",
2377 ippTagString(ippGetValueTag(attr)), buffer);
2378 }
2379
2380 fprintf(stderr, "DEBUG: ---- %s ----\n", ippTagString(IPP_TAG_END));
2381 }
2382
2383
2384 /*
2385 * 'monitor_printer()' - Monitor the printer state.
2386 */
2387
2388 static void * /* O - Thread exit code */
2389 monitor_printer(
2390 _cups_monitor_t *monitor) /* I - Monitoring data */
2391 {
2392 http_t *http; /* Connection to printer */
2393 ipp_t *request, /* IPP request */
2394 *response; /* IPP response */
2395 ipp_attribute_t *attr; /* Attribute in response */
2396 int delay, /* Current delay */
2397 prev_delay; /* Previous delay */
2398 ipp_op_t job_op; /* Operation to use */
2399 int job_id; /* Job ID */
2400 const char *job_name; /* Job name */
2401 ipp_jstate_t job_state; /* Job state */
2402 const char *job_user; /* Job originating user name */
2403 int password_tries = 0; /* Password tries */
2404
2405
2406 /*
2407 * Make a copy of the printer connection...
2408 */
2409
2410 http = httpConnect2(monitor->hostname, monitor->port, NULL, AF_UNSPEC,
2411 monitor->encryption, 1, 0, NULL);
2412 httpSetTimeout(http, 30.0, timeout_cb, NULL);
2413 if (username[0])
2414 cupsSetUser(username);
2415
2416 cupsSetPasswordCB2((cups_password_cb2_t)password_cb, &password_tries);
2417
2418 /*
2419 * Loop until the job is canceled, aborted, or completed.
2420 */
2421
2422 delay = _cupsNextDelay(0, &prev_delay);
2423
2424 monitor->job_reasons = 0;
2425
2426 while (monitor->job_state < IPP_JOB_CANCELED && !job_canceled)
2427 {
2428 /*
2429 * Reconnect to the printer as needed...
2430 */
2431
2432 if (httpGetFd(http) < 0)
2433 httpReconnect(http);
2434
2435 if (httpGetFd(http) >= 0)
2436 {
2437 /*
2438 * Connected, so check on the printer state...
2439 */
2440
2441 monitor->printer_state = check_printer_state(http, monitor->uri,
2442 monitor->resource,
2443 monitor->user,
2444 monitor->version);
2445 if (cupsLastError() <= IPP_OK_CONFLICT)
2446 password_tries = 0;
2447
2448 if (monitor->job_id == 0 && monitor->create_job)
2449 {
2450 /*
2451 * No job-id yet, so continue...
2452 */
2453
2454 goto monitor_sleep;
2455 }
2456
2457 /*
2458 * Check the status of the job itself...
2459 */
2460
2461 job_op = (monitor->job_id > 0 && monitor->get_job_attrs) ?
2462 IPP_GET_JOB_ATTRIBUTES : IPP_GET_JOBS;
2463 request = ippNewRequest(job_op);
2464 ippSetVersion(request, monitor->version / 10, monitor->version % 10);
2465
2466 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
2467 NULL, monitor->uri);
2468 if (job_op == IPP_GET_JOB_ATTRIBUTES)
2469 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id",
2470 monitor->job_id);
2471
2472 if (monitor->user && monitor->user[0])
2473 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
2474 "requesting-user-name", NULL, monitor->user);
2475
2476 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
2477 "requested-attributes",
2478 (int)(sizeof(jattrs) / sizeof(jattrs[0])), NULL, jattrs);
2479
2480 /*
2481 * Do the request...
2482 */
2483
2484 response = cupsDoRequest(http, request, monitor->resource);
2485
2486 fprintf(stderr, "DEBUG: (monitor) %s: %s (%s)\n", ippOpString(job_op),
2487 ippErrorString(cupsLastError()), cupsLastErrorString());
2488
2489 if (cupsLastError() <= IPP_OK_CONFLICT)
2490 password_tries = 0;
2491
2492 if (job_op == IPP_GET_JOB_ATTRIBUTES)
2493 {
2494 if ((attr = ippFindAttribute(response, "job-state",
2495 IPP_TAG_ENUM)) != NULL)
2496 monitor->job_state = (ipp_jstate_t)attr->values[0].integer;
2497 else
2498 monitor->job_state = IPP_JOB_COMPLETED;
2499 }
2500 else if (response)
2501 {
2502 for (attr = response->attrs; attr; attr = attr->next)
2503 {
2504 job_id = 0;
2505 job_name = NULL;
2506 job_state = IPP_JOB_PENDING;
2507 job_user = NULL;
2508
2509 while (attr && attr->group_tag != IPP_TAG_JOB)
2510 attr = attr->next;
2511
2512 if (!attr)
2513 break;
2514
2515 while (attr && attr->group_tag == IPP_TAG_JOB)
2516 {
2517 if (!strcmp(attr->name, "job-id") &&
2518 attr->value_tag == IPP_TAG_INTEGER)
2519 job_id = attr->values[0].integer;
2520 else if (!strcmp(attr->name, "job-name") &&
2521 (attr->value_tag == IPP_TAG_NAME ||
2522 attr->value_tag == IPP_TAG_NAMELANG))
2523 job_name = attr->values[0].string.text;
2524 else if (!strcmp(attr->name, "job-state") &&
2525 attr->value_tag == IPP_TAG_ENUM)
2526 job_state = (ipp_jstate_t)attr->values[0].integer;
2527 else if (!strcmp(attr->name, "job-originating-user-name") &&
2528 (attr->value_tag == IPP_TAG_NAME ||
2529 attr->value_tag == IPP_TAG_NAMELANG))
2530 job_user = attr->values[0].string.text;
2531
2532 attr = attr->next;
2533 }
2534
2535 if (job_id > 0 && job_name && !strcmp(job_name, monitor->job_name) &&
2536 job_user && monitor->user && !strcmp(job_user, monitor->user))
2537 {
2538 monitor->job_id = job_id;
2539 monitor->job_state = job_state;
2540 break;
2541 }
2542
2543 if (!attr)
2544 break;
2545 }
2546 }
2547
2548 fprintf(stderr, "DEBUG: (monitor) job-state = %s\n",
2549 ippEnumString("job-state", monitor->job_state));
2550
2551 if (!job_canceled &&
2552 (monitor->job_state == IPP_JOB_CANCELED ||
2553 monitor->job_state == IPP_JOB_ABORTED))
2554 {
2555 job_canceled = -1;
2556 fprintf(stderr, "DEBUG: (monitor) job_canceled = -1\n");
2557 }
2558
2559 if ((attr = ippFindAttribute(response, "job-state-reasons",
2560 IPP_TAG_KEYWORD)) != NULL)
2561 {
2562 int i, new_reasons = 0; /* Looping var, new reasons */
2563
2564 for (i = 0; i < attr->num_values; i ++)
2565 {
2566 if (!strcmp(attr->values[i].string.text,
2567 "account-authorization-failed"))
2568 new_reasons |= _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED;
2569 else if (!strcmp(attr->values[i].string.text, "account-closed"))
2570 new_reasons |= _CUPS_JSR_ACCOUNT_CLOSED;
2571 else if (!strcmp(attr->values[i].string.text, "account-info-needed"))
2572 new_reasons |= _CUPS_JSR_ACCOUNT_INFO_NEEDED;
2573 else if (!strcmp(attr->values[i].string.text,
2574 "account-limit-reached"))
2575 new_reasons |= _CUPS_JSR_ACCOUNT_LIMIT_REACHED;
2576 else if (!strcmp(attr->values[i].string.text, "job-password-wait"))
2577 new_reasons |= _CUPS_JSR_JOB_PASSWORD_WAIT;
2578 else if (!strcmp(attr->values[i].string.text, "job-release-wait"))
2579 new_reasons |= _CUPS_JSR_JOB_RELEASE_WAIT;
2580 if (!job_canceled &&
2581 (!strncmp(attr->values[i].string.text, "job-canceled-", 13) || !strcmp(attr->values[i].string.text, "aborted-by-system")))
2582 job_canceled = 1;
2583 }
2584
2585 if (new_reasons != monitor->job_reasons)
2586 {
2587 if (new_reasons & _CUPS_JSR_ACCOUNT_AUTHORIZATION_FAILED)
2588 fputs("JOBSTATE: account-authorization-failed\n", stderr);
2589 else if (new_reasons & _CUPS_JSR_ACCOUNT_CLOSED)
2590 fputs("JOBSTATE: account-closed\n", stderr);
2591 else if (new_reasons & _CUPS_JSR_ACCOUNT_INFO_NEEDED)
2592 fputs("JOBSTATE: account-info-needed\n", stderr);
2593 else if (new_reasons & _CUPS_JSR_ACCOUNT_LIMIT_REACHED)
2594 fputs("JOBSTATE: account-limit-reached\n", stderr);
2595 else if (new_reasons & _CUPS_JSR_JOB_PASSWORD_WAIT)
2596 fputs("JOBSTATE: job-password-wait\n", stderr);
2597 else if (new_reasons & _CUPS_JSR_JOB_RELEASE_WAIT)
2598 fputs("JOBSTATE: job-release-wait\n", stderr);
2599 else
2600 fputs("JOBSTATE: job-printing\n", stderr);
2601
2602 monitor->job_reasons = new_reasons;
2603 }
2604 }
2605
2606 ippDelete(response);
2607
2608 fprintf(stderr, "DEBUG: (monitor) job-state = %s\n",
2609 ippEnumString("job-state", monitor->job_state));
2610
2611 if (!job_canceled &&
2612 (monitor->job_state == IPP_JOB_CANCELED ||
2613 monitor->job_state == IPP_JOB_ABORTED))
2614 job_canceled = -1;
2615 }
2616
2617 /*
2618 * Sleep for N seconds...
2619 */
2620
2621 monitor_sleep:
2622
2623 sleep((unsigned)delay);
2624
2625 delay = _cupsNextDelay(delay, &prev_delay);
2626 }
2627
2628 /*
2629 * Cancel the job if necessary...
2630 */
2631
2632 if (job_canceled > 0 && monitor->job_id > 0)
2633 {
2634 if (httpGetFd(http) < 0)
2635 httpReconnect(http);
2636
2637 if (httpGetFd(http) >= 0)
2638 {
2639 cancel_job(http, monitor->uri, monitor->job_id, monitor->resource,
2640 monitor->user, monitor->version);
2641
2642 if (cupsLastError() > IPP_OK_CONFLICT)
2643 {
2644 fprintf(stderr, "DEBUG: (monitor) cancel_job() = %s\n", cupsLastErrorString());
2645 _cupsLangPrintFilter(stderr, "ERROR", _("Unable to cancel print job."));
2646 }
2647 }
2648 }
2649
2650 /*
2651 * Cleanup and return...
2652 */
2653
2654 httpClose(http);
2655
2656 return (NULL);
2657 }
2658
2659
2660 /*
2661 * 'new_request()' - Create a new print creation or validation request.
2662 */
2663
2664 static ipp_t * /* O - Request data */
2665 new_request(
2666 ipp_op_t op, /* I - IPP operation code */
2667 int version, /* I - IPP version number */
2668 const char *uri, /* I - printer-uri value */
2669 const char *user, /* I - requesting-user-name value */
2670 const char *title, /* I - job-name value */
2671 int num_options, /* I - Number of options to send */
2672 cups_option_t *options, /* I - Options to send */
2673 const char *compression, /* I - compression value or NULL */
2674 int copies, /* I - copies value or 0 */
2675 const char *format, /* I - document-format value or NULL */
2676 _ppd_cache_t *pc, /* I - PPD cache and mapping data */
2677 ppd_file_t *ppd, /* I - PPD file data */
2678 ipp_attribute_t *media_col_sup, /* I - media-col-supported values */
2679 ipp_attribute_t *doc_handling_sup, /* I - multiple-document-handling-supported values */
2680 ipp_attribute_t *print_color_mode_sup)
2681 /* I - Printer supports print-color-mode */
2682 {
2683 ipp_t *request; /* Request data */
2684 const char *keyword; /* PWG keyword */
2685
2686
2687 /*
2688 * Create the IPP request...
2689 */
2690
2691 request = ippNewRequest(op);
2692 ippSetVersion(request, version / 10, version % 10);
2693
2694 fprintf(stderr, "DEBUG: %s IPP/%d.%d\n",
2695 ippOpString(request->request.op.operation_id),
2696 request->request.op.version[0],
2697 request->request.op.version[1]);
2698
2699 /*
2700 * Add standard attributes...
2701 */
2702
2703 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
2704 fprintf(stderr, "DEBUG: printer-uri=\"%s\"\n", uri);
2705
2706 if (user && *user)
2707 {
2708 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, user);
2709 fprintf(stderr, "DEBUG: requesting-user-name=\"%s\"\n", user);
2710 }
2711
2712 if (title && *title)
2713 {
2714 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, title);
2715 fprintf(stderr, "DEBUG: job-name=\"%s\"\n", title);
2716 }
2717
2718 if (format && op != IPP_CREATE_JOB)
2719 {
2720 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format", NULL, format);
2721 fprintf(stderr, "DEBUG: document-format=\"%s\"\n", format);
2722 }
2723
2724 #ifdef HAVE_LIBZ
2725 if (compression && op != IPP_OP_CREATE_JOB && op != IPP_OP_VALIDATE_JOB)
2726 {
2727 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "compression", NULL, compression);
2728 fprintf(stderr, "DEBUG: compression=\"%s\"\n", compression);
2729 }
2730 #endif /* HAVE_LIBZ */
2731
2732 /*
2733 * Handle options on the command-line...
2734 */
2735
2736 if (num_options > 0)
2737 {
2738 if (pc)
2739 {
2740 /*
2741 * Send standard IPP attributes...
2742 */
2743
2744 fputs("DEBUG: Adding standard IPP operation/job attributes.\n", stderr);
2745
2746 copies = _cupsConvertOptions(request, ppd, pc, media_col_sup, doc_handling_sup, print_color_mode_sup, user, format, copies, num_options, options);
2747
2748 /*
2749 * Map FaxOut options...
2750 */
2751
2752 if ((keyword = cupsGetOption("phone", num_options, options)) != NULL)
2753 {
2754 ipp_t *destination; /* destination collection */
2755 char phone[1024], /* Phone number string */
2756 *ptr, /* Pointer into string */
2757 tel_uri[1024]; /* tel: URI */
2758 static const char * const allowed = "0123456789#*-+.()";
2759 /* Allowed characters */
2760
2761 destination = ippNew();
2762
2763 /*
2764 * Unescape and filter out spaces and other characters that are not
2765 * allowed in a tel: URI.
2766 */
2767
2768 _httpDecodeURI(phone, keyword, sizeof(phone));
2769 for (ptr = phone; *ptr;)
2770 {
2771 if (!strchr(allowed, *ptr))
2772 _cups_strcpy(ptr, ptr + 1);
2773 else
2774 ptr ++;
2775 }
2776
2777 httpAssembleURI(HTTP_URI_CODING_ALL, tel_uri, sizeof(tel_uri), "tel", NULL, NULL, 0, phone);
2778 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_URI, "destination-uri", NULL, tel_uri);
2779
2780 if ((keyword = cupsGetOption("faxPrefix", num_options,
2781 options)) != NULL && *keyword)
2782 {
2783 char predial[1024]; /* Pre-dial string */
2784
2785 _httpDecodeURI(predial, keyword, sizeof(predial));
2786 ippAddString(destination, IPP_TAG_JOB, IPP_TAG_TEXT, "pre-dial-string", NULL, predial);
2787 }
2788
2789 ippAddCollection(request, IPP_TAG_JOB, "destination-uris", destination);
2790 ippDelete(destination);
2791 }
2792 }
2793 else
2794 {
2795 /*
2796 * When talking to another CUPS server, send all options...
2797 */
2798
2799 fputs("DEBUG: Adding all operation/job attributes.\n", stderr);
2800 cupsEncodeOptions2(request, num_options, options, IPP_TAG_OPERATION);
2801 cupsEncodeOptions2(request, num_options, options, IPP_TAG_JOB);
2802 }
2803
2804 if (copies > 1 && (!pc || copies <= pc->max_copies))
2805 ippAddInteger(request, IPP_TAG_JOB, IPP_TAG_INTEGER, "copies", copies);
2806 }
2807
2808 fprintf(stderr, "DEBUG: IPP/%d.%d %s #%d\n", version / 10, version % 10, ippOpString(ippGetOperation(request)), ippGetRequestId(request));
2809 debug_attributes(request);
2810
2811 return (request);
2812 }
2813
2814
2815 /*
2816 * 'password_cb()' - Disable the password prompt for cupsDoFileRequest().
2817 */
2818
2819 static const char * /* O - Password */
2820 password_cb(const char *prompt, /* I - Prompt (not used) */
2821 http_t *http, /* I - Connection */
2822 const char *method, /* I - Request method (not used) */
2823 const char *resource, /* I - Resource path (not used) */
2824 int *password_tries) /* I - Password tries */
2825 {
2826 char def_username[HTTP_MAX_VALUE]; /* Default username */
2827
2828
2829 fprintf(stderr, "DEBUG: password_cb(prompt=\"%s\", http=%p, method=\"%s\", "
2830 "resource=\"%s\", password_tries=%p(%d)), password=%p\n",
2831 prompt, http, method, resource, password_tries, *password_tries,
2832 password);
2833
2834 (void)prompt;
2835 (void)method;
2836 (void)resource;
2837
2838 if (!uri_credentials)
2839 {
2840 /*
2841 * Remember that we need to authenticate...
2842 */
2843
2844 auth_info_required = "username,password";
2845
2846 if (httpGetSubField(http, HTTP_FIELD_WWW_AUTHENTICATE, "username",
2847 def_username))
2848 {
2849 char quoted[HTTP_MAX_VALUE * 2 + 4];
2850 /* Quoted string */
2851
2852 fprintf(stderr, "ATTR: auth-info-default=%s,\n",
2853 quote_string(def_username, quoted, sizeof(quoted)));
2854 }
2855 }
2856
2857 if (password && *password && *password_tries < 3)
2858 {
2859 (*password_tries) ++;
2860
2861 cupsSetUser(username);
2862
2863 return (password);
2864 }
2865 else
2866 {
2867 /*
2868 * Give up after 3 tries or if we don't have a password to begin with...
2869 */
2870
2871 return (NULL);
2872 }
2873 }
2874
2875
2876 /*
2877 * 'quote_string()' - Quote a string value.
2878 */
2879
2880 static const char * /* O - Quoted string */
2881 quote_string(const char *s, /* I - String */
2882 char *q, /* I - Quoted string buffer */
2883 size_t qsize) /* I - Size of quoted string buffer */
2884 {
2885 char *qptr, /* Pointer into string buffer */
2886 *qend; /* End of string buffer */
2887
2888
2889 qptr = q;
2890 qend = q + qsize - 5;
2891
2892 if (qend < q)
2893 {
2894 *q = '\0';
2895 return (q);
2896 }
2897
2898 *qptr++ = '\'';
2899 *qptr++ = '\"';
2900
2901 while (*s && qptr < qend)
2902 {
2903 if (*s == '\\' || *s == '\"' || *s == '\'')
2904 {
2905 if (qptr < (qend - 4))
2906 {
2907 *qptr++ = '\\';
2908 *qptr++ = '\\';
2909 *qptr++ = '\\';
2910 }
2911 else
2912 break;
2913 }
2914
2915 *qptr++ = *s++;
2916 }
2917
2918 *qptr++ = '\"';
2919 *qptr++ = '\'';
2920 *qptr = '\0';
2921
2922 return (q);
2923 }
2924
2925
2926 /*
2927 * 'report_attr()' - Report an IPP attribute value.
2928 */
2929
2930 static void
2931 report_attr(ipp_attribute_t *attr) /* I - Attribute */
2932 {
2933 int i; /* Looping var */
2934 char value[1024], /* Value string */
2935 *valptr; /* Pointer into value string */
2936 const char *cached; /* Cached attribute */
2937
2938
2939 /*
2940 * Convert the attribute values into quoted strings...
2941 */
2942
2943 for (i = 0, valptr = value;
2944 i < attr->num_values && valptr < (value + sizeof(value) - 10);
2945 i ++)
2946 {
2947 if (i > 0)
2948 *valptr++ = ',';
2949
2950 switch (attr->value_tag)
2951 {
2952 case IPP_TAG_INTEGER :
2953 case IPP_TAG_ENUM :
2954 snprintf(valptr, sizeof(value) - (size_t)(valptr - value), "%d", attr->values[i].integer);
2955 valptr += strlen(valptr);
2956 break;
2957
2958 case IPP_TAG_TEXT :
2959 case IPP_TAG_NAME :
2960 case IPP_TAG_KEYWORD :
2961 quote_string(attr->values[i].string.text, valptr, (size_t)(value + sizeof(value) - valptr));
2962 valptr += strlen(valptr);
2963 break;
2964
2965 default :
2966 /*
2967 * Unsupported value type...
2968 */
2969
2970 return;
2971 }
2972 }
2973
2974 *valptr = '\0';
2975
2976 _cupsMutexLock(&report_mutex);
2977
2978 if ((cached = cupsGetOption(attr->name, num_attr_cache,
2979 attr_cache)) == NULL || strcmp(cached, value))
2980 {
2981 /*
2982 * Tell the scheduler about the new values...
2983 */
2984
2985 num_attr_cache = cupsAddOption(attr->name, value, num_attr_cache,
2986 &attr_cache);
2987 fprintf(stderr, "ATTR: %s=%s\n", attr->name, value);
2988 }
2989
2990 _cupsMutexUnlock(&report_mutex);
2991 }
2992
2993
2994 /*
2995 * 'report_printer_state()' - Report the printer state.
2996 */
2997
2998 static void
2999 report_printer_state(ipp_t *ipp) /* I - IPP response */
3000 {
3001 ipp_attribute_t *pa, /* printer-alert */
3002 *pam, /* printer-alert-message */
3003 *pmja, /* printer-mandatory-job-attributes */
3004 *psm, /* printer-state-message */
3005 *reasons, /* printer-state-reasons */
3006 *marker; /* marker-* attributes */
3007 char value[1024], /* State/message string */
3008 *valptr; /* Pointer into string */
3009 static int ipp_supplies = -1;
3010 /* Report supply levels? */
3011
3012
3013 /*
3014 * Report alerts and messages...
3015 */
3016
3017 if ((pa = ippFindAttribute(ipp, "printer-alert", IPP_TAG_TEXT)) != NULL)
3018 report_attr(pa);
3019
3020 if ((pam = ippFindAttribute(ipp, "printer-alert-message",
3021 IPP_TAG_TEXT)) != NULL)
3022 report_attr(pam);
3023
3024 if ((pmja = ippFindAttribute(ipp, "printer-mandatory-job-attributes", IPP_TAG_KEYWORD)) != NULL)
3025 {
3026 int i, /* Looping var */
3027 count = ippGetCount(pmja); /* Number of values */
3028
3029 for (i = 0, valptr = value; i < count; i ++, valptr += strlen(valptr))
3030 {
3031 if (i)
3032 snprintf(valptr, sizeof(value) - (size_t)(valptr - value), " %s", ippGetString(pmja, i, NULL));
3033 else
3034 strlcpy(value, ippGetString(pmja, i, NULL), sizeof(value));
3035 }
3036
3037 if (strcmp(value, mandatory_attrs))
3038 {
3039 strlcpy(mandatory_attrs, value, sizeof(mandatory_attrs));
3040 fprintf(stderr, "PPD: cupsMandatory=\"%s\"\n", value);
3041 }
3042 }
3043
3044 if ((psm = ippFindAttribute(ipp, "printer-state-message",
3045 IPP_TAG_TEXT)) != NULL)
3046 {
3047 char *ptr; /* Pointer into message */
3048
3049
3050 strlcpy(value, "INFO: ", sizeof(value));
3051 for (ptr = psm->values[0].string.text, valptr = value + 6;
3052 *ptr && valptr < (value + sizeof(value) - 6);
3053 ptr ++)
3054 {
3055 if (*ptr < ' ' && *ptr > 0 && *ptr != '\t')
3056 {
3057 /*
3058 * Substitute "<XX>" for the control character; sprintf is safe because
3059 * we always leave 6 chars free at the end...
3060 */
3061
3062 sprintf(valptr, "<%02X>", *ptr);
3063 valptr += 4;
3064 }
3065 else
3066 *valptr++ = *ptr;
3067 }
3068
3069 *valptr++ = '\n';
3070 *valptr = '\0';
3071
3072 fputs(value, stderr);
3073 }
3074
3075 /*
3076 * Now report printer-state-reasons, filtering out some of the reasons we never
3077 * want to set...
3078 */
3079
3080 if ((reasons = ippFindAttribute(ipp, "printer-state-reasons",
3081 IPP_TAG_KEYWORD)) == NULL)
3082 return;
3083
3084 update_reasons(reasons, NULL);
3085
3086 /*
3087 * Relay the current marker-* attribute values...
3088 */
3089
3090 if (ipp_supplies < 0)
3091 {
3092 ppd_file_t *ppd; /* PPD file */
3093 ppd_attr_t *ppdattr; /* Attribute in PPD file */
3094
3095 if ((ppd = ppdOpenFile(getenv("PPD"))) != NULL &&
3096 (ppdattr = ppdFindAttr(ppd, "cupsIPPSupplies", NULL)) != NULL &&
3097 ppdattr->value && _cups_strcasecmp(ppdattr->value, "true"))
3098 ipp_supplies = 0;
3099 else
3100 ipp_supplies = 1;
3101
3102 ppdClose(ppd);
3103 }
3104
3105 if (ipp_supplies > 0)
3106 {
3107 if ((marker = ippFindAttribute(ipp, "marker-colors", IPP_TAG_NAME)) != NULL)
3108 report_attr(marker);
3109 if ((marker = ippFindAttribute(ipp, "marker-high-levels",
3110 IPP_TAG_INTEGER)) != NULL)
3111 report_attr(marker);
3112 if ((marker = ippFindAttribute(ipp, "marker-levels",
3113 IPP_TAG_INTEGER)) != NULL)
3114 report_attr(marker);
3115 if ((marker = ippFindAttribute(ipp, "marker-low-levels",
3116 IPP_TAG_INTEGER)) != NULL)
3117 report_attr(marker);
3118 if ((marker = ippFindAttribute(ipp, "marker-message",
3119 IPP_TAG_TEXT)) != NULL)
3120 report_attr(marker);
3121 if ((marker = ippFindAttribute(ipp, "marker-names", IPP_TAG_NAME)) != NULL)
3122 report_attr(marker);
3123 if ((marker = ippFindAttribute(ipp, "marker-types",
3124 IPP_TAG_KEYWORD)) != NULL)
3125 report_attr(marker);
3126 }
3127 }
3128
3129
3130 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3131 /*
3132 * 'run_as_user()' - Run the IPP backend as the printing user.
3133 *
3134 * This function uses an XPC-based user agent to run the backend as the printing
3135 * user. We need to do this in order to have access to the user's Kerberos
3136 * credentials.
3137 */
3138
3139 static int /* O - Exit status */
3140 run_as_user(char *argv[], /* I - Command-line arguments */
3141 uid_t uid, /* I - User ID */
3142 const char *device_uri, /* I - Device URI */
3143 int fd) /* I - File to print */
3144 {
3145 const char *auth_negotiate;/* AUTH_NEGOTIATE env var */
3146 xpc_connection_t conn; /* Connection to XPC service */
3147 xpc_object_t request; /* Request message dictionary */
3148 __block xpc_object_t response; /* Response message dictionary */
3149 dispatch_semaphore_t sem; /* Semaphore for waiting for response */
3150 int status = CUPS_BACKEND_FAILED;
3151 /* Status of request */
3152
3153
3154 fprintf(stderr, "DEBUG: Running IPP backend as UID %d.\n", (int)uid);
3155
3156 /*
3157 * Connect to the user agent for the specified UID...
3158 */
3159
3160 conn = xpc_connection_create_mach_service(kPMPrintUIToolAgent,
3161 dispatch_get_global_queue(0, 0), 0);
3162 if (!conn)
3163 {
3164 _cupsLangPrintFilter(stderr, "ERROR",
3165 _("Unable to start backend process."));
3166 fputs("DEBUG: Unable to create connection to agent.\n", stderr);
3167 goto cleanup;
3168 }
3169
3170 xpc_connection_set_event_handler(conn,
3171 ^(xpc_object_t event)
3172 {
3173 xpc_type_t messageType = xpc_get_type(event);
3174
3175 if (messageType == XPC_TYPE_ERROR)
3176 {
3177 if (event == XPC_ERROR_CONNECTION_INTERRUPTED)
3178 fprintf(stderr, "DEBUG: Interrupted connection to service %s.\n",
3179 xpc_connection_get_name(conn));
3180 else if (event == XPC_ERROR_CONNECTION_INVALID)
3181 fprintf(stderr, "DEBUG: Connection invalid for service %s.\n",
3182 xpc_connection_get_name(conn));
3183 else
3184 fprintf(stderr, "DEBUG: Unxpected error for service %s: %s\n",
3185 xpc_connection_get_name(conn),
3186 xpc_dictionary_get_string(event, XPC_ERROR_KEY_DESCRIPTION));
3187 }
3188 });
3189 xpc_connection_set_target_uid(conn, uid);
3190 xpc_connection_resume(conn);
3191
3192 /*
3193 * Try starting the backend...
3194 */
3195
3196 request = xpc_dictionary_create(NULL, NULL, 0);
3197 xpc_dictionary_set_int64(request, "command", kPMStartJob);
3198 xpc_dictionary_set_string(request, "device-uri", device_uri);
3199 xpc_dictionary_set_string(request, "job-id", argv[1]);
3200 xpc_dictionary_set_string(request, "user", argv[2]);
3201 xpc_dictionary_set_string(request, "title", argv[3]);
3202 xpc_dictionary_set_string(request, "copies", argv[4]);
3203 xpc_dictionary_set_string(request, "options", argv[5]);
3204 xpc_dictionary_set_string(request, "auth-info-required",
3205 getenv("AUTH_INFO_REQUIRED"));
3206 if ((auth_negotiate = getenv("AUTH_NEGOTIATE")) != NULL)
3207 xpc_dictionary_set_string(request, "auth-negotiate", auth_negotiate);
3208 xpc_dictionary_set_fd(request, "stdin", fd);
3209 xpc_dictionary_set_fd(request, "stderr", 2);
3210 xpc_dictionary_set_fd(request, "side-channel", CUPS_SC_FD);
3211
3212 sem = dispatch_semaphore_create(0);
3213 response = NULL;
3214
3215 xpc_connection_send_message_with_reply(conn, request,
3216 dispatch_get_global_queue(0,0),
3217 ^(xpc_object_t reply)
3218 {
3219 /* Save the response and wake up */
3220 if (xpc_get_type(reply)
3221 == XPC_TYPE_DICTIONARY)
3222 response = xpc_retain(reply);
3223
3224 dispatch_semaphore_signal(sem);
3225 });
3226
3227 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
3228 xpc_release(request);
3229 dispatch_release(sem);
3230
3231 if (response)
3232 {
3233 child_pid = (pid_t)xpc_dictionary_get_int64(response, "child-pid");
3234
3235 xpc_release(response);
3236
3237 if (child_pid)
3238 fprintf(stderr, "DEBUG: Child PID=%d.\n", (int)child_pid);
3239 else
3240 {
3241 _cupsLangPrintFilter(stderr, "ERROR",
3242 _("Unable to start backend process."));
3243 fputs("DEBUG: No child PID.\n", stderr);
3244 goto cleanup;
3245 }
3246 }
3247 else
3248 {
3249 _cupsLangPrintFilter(stderr, "ERROR",
3250 _("Unable to start backend process."));
3251 fputs("DEBUG: No reply from agent.\n", stderr);
3252 goto cleanup;
3253 }
3254
3255 /*
3256 * Then wait for the backend to finish...
3257 */
3258
3259 request = xpc_dictionary_create(NULL, NULL, 0);
3260 xpc_dictionary_set_int64(request, "command", kPMWaitForJob);
3261 xpc_dictionary_set_fd(request, "stderr", 2);
3262
3263 sem = dispatch_semaphore_create(0);
3264 response = NULL;
3265
3266 xpc_connection_send_message_with_reply(conn, request,
3267 dispatch_get_global_queue(0,0),
3268 ^(xpc_object_t reply)
3269 {
3270 /* Save the response and wake up */
3271 if (xpc_get_type(reply)
3272 == XPC_TYPE_DICTIONARY)
3273 response = xpc_retain(reply);
3274
3275 dispatch_semaphore_signal(sem);
3276 });
3277
3278 dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
3279 xpc_release(request);
3280 dispatch_release(sem);
3281
3282 if (response)
3283 {
3284 status = (int)xpc_dictionary_get_int64(response, "status");
3285
3286 if (status == SIGTERM || status == SIGKILL || status == SIGPIPE)
3287 {
3288 fprintf(stderr, "DEBUG: Child terminated on signal %d.\n", status);
3289 status = CUPS_BACKEND_FAILED;
3290 }
3291 else if (WIFSIGNALED(status))
3292 {
3293 fprintf(stderr, "DEBUG: Child crashed on signal %d.\n", status);
3294 status = CUPS_BACKEND_STOP;
3295 }
3296 else if (WIFEXITED(status))
3297 {
3298 status = WEXITSTATUS(status);
3299 fprintf(stderr, "DEBUG: Child exited with status %d.\n", status);
3300 }
3301
3302 xpc_release(response);
3303 }
3304 else
3305 _cupsLangPrintFilter(stderr, "ERROR",
3306 _("Unable to get backend exit status."));
3307
3308 cleanup:
3309
3310 if (conn)
3311 {
3312 xpc_connection_cancel(conn);
3313 xpc_release(conn);
3314 }
3315
3316 return (status);
3317 }
3318 #endif /* HAVE_GSSAPI && HAVE_XPC */
3319
3320
3321 /*
3322 * 'sigterm_handler()' - Handle 'terminate' signals that stop the backend.
3323 */
3324
3325 static void
3326 sigterm_handler(int sig) /* I - Signal */
3327 {
3328 (void)sig; /* remove compiler warnings... */
3329
3330 write(2, "DEBUG: Got SIGTERM.\n", 20);
3331
3332 #if defined(HAVE_GSSAPI) && defined(HAVE_XPC)
3333 if (child_pid)
3334 {
3335 kill(child_pid, sig);
3336 child_pid = 0;
3337 }
3338 #endif /* HAVE_GSSAPI && HAVE_XPC */
3339
3340 if (!job_canceled)
3341 {
3342 /*
3343 * Flag that the job should be canceled...
3344 */
3345
3346 write(2, "DEBUG: sigterm_handler: job_canceled = 1.\n", 25);
3347
3348 job_canceled = 1;
3349 return;
3350 }
3351
3352 /*
3353 * The scheduler already tried to cancel us once, now just terminate
3354 * after removing our temp file!
3355 */
3356
3357 if (tmpfilename[0])
3358 unlink(tmpfilename);
3359
3360 _exit(1);
3361 }
3362
3363
3364 /*
3365 * 'timeout_cb()' - Handle HTTP timeouts.
3366 */
3367
3368 static int /* O - 1 to continue, 0 to cancel */
3369 timeout_cb(http_t *http, /* I - Connection to server (unused) */
3370 void *user_data) /* I - User data (unused) */
3371 {
3372 (void)http;
3373 (void)user_data;
3374
3375 return (!job_canceled);
3376 }
3377
3378
3379 /*
3380 * 'update_reasons()' - Update the printer-state-reasons values.
3381 */
3382
3383 static void
3384 update_reasons(ipp_attribute_t *attr, /* I - printer-state-reasons or NULL */
3385 const char *s) /* I - STATE: string or NULL */
3386 {
3387 char op; /* Add (+), remove (-), replace (\0) */
3388 cups_array_t *new_reasons; /* New reasons array */
3389 char *reason, /* Current reason */
3390 add[2048], /* Reasons added string */
3391 *addptr, /* Pointer into add string */
3392 rem[2048], /* Reasons removed string */
3393 *remptr; /* Pointer into remove string */
3394 const char *addprefix, /* Current add string prefix */
3395 *remprefix; /* Current remove string prefix */
3396
3397
3398 fprintf(stderr, "DEBUG: update_reasons(attr=%d(%s%s), s=\"%s\")\n",
3399 attr ? attr->num_values : 0, attr ? attr->values[0].string.text : "",
3400 attr && attr->num_values > 1 ? ",..." : "", s ? s : "(null)");
3401
3402 /*
3403 * Create an array of new reason keyword strings...
3404 */
3405
3406 if (attr)
3407 {
3408 int i; /* Looping var */
3409
3410 new_reasons = cupsArrayNew((cups_array_func_t)strcmp, NULL);
3411 op = '\0';
3412
3413 for (i = 0; i < attr->num_values; i ++)
3414 {
3415 reason = attr->values[i].string.text;
3416
3417 if (strcmp(reason, "none") &&
3418 strcmp(reason, "none-report") &&
3419 strcmp(reason, "paused") &&
3420 strncmp(reason, "spool-area-full", 15) &&
3421 strcmp(reason, "com.apple.print.recoverable-warning") &&
3422 strncmp(reason, "cups-", 5))
3423 cupsArrayAdd(new_reasons, reason);
3424 }
3425 }
3426 else if (s)
3427 {
3428 if (*s == '+' || *s == '-')
3429 op = *s++;
3430 else
3431 op = '\0';
3432
3433 new_reasons = _cupsArrayNewStrings(s, ',');
3434 }
3435 else
3436 return;
3437
3438 /*
3439 * Compute the changes...
3440 */
3441
3442 add[0] = '\0';
3443 addprefix = "STATE: +";
3444 addptr = add;
3445 rem[0] = '\0';
3446 remprefix = "STATE: -";
3447 remptr = rem;
3448
3449 fprintf(stderr, "DEBUG2: op='%c', new_reasons=%d, state_reasons=%d\n",
3450 op ? op : ' ', cupsArrayCount(new_reasons),
3451 cupsArrayCount(state_reasons));
3452
3453 _cupsMutexLock(&report_mutex);
3454
3455 if (op == '+')
3456 {
3457 /*
3458 * Add reasons...
3459 */
3460
3461 for (reason = (char *)cupsArrayFirst(new_reasons);
3462 reason;
3463 reason = (char *)cupsArrayNext(new_reasons))
3464 {
3465 if (!cupsArrayFind(state_reasons, reason))
3466 {
3467 if (!strncmp(reason, "cups-remote-", 12))
3468 {
3469 /*
3470 * If we are setting cups-remote-xxx, remove all other cups-remote-xxx
3471 * keywords...
3472 */
3473
3474 char *temp; /* Current reason in state_reasons */
3475
3476 cupsArraySave(state_reasons);
3477
3478 for (temp = (char *)cupsArrayFirst(state_reasons);
3479 temp;
3480 temp = (char *)cupsArrayNext(state_reasons))
3481 if (!strncmp(temp, "cups-remote-", 12))
3482 {
3483 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, temp);
3484 remptr += strlen(remptr);
3485 remprefix = ",";
3486
3487 cupsArrayRemove(state_reasons, temp);
3488 break;
3489 }
3490
3491 cupsArrayRestore(state_reasons);
3492 }
3493
3494 cupsArrayAdd(state_reasons, reason);
3495
3496 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason);
3497 addptr += strlen(addptr);
3498 addprefix = ",";
3499 }
3500 }
3501 }
3502 else if (op == '-')
3503 {
3504 /*
3505 * Remove reasons...
3506 */
3507
3508 for (reason = (char *)cupsArrayFirst(new_reasons);
3509 reason;
3510 reason = (char *)cupsArrayNext(new_reasons))
3511 {
3512 if (cupsArrayFind(state_reasons, reason))
3513 {
3514 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason);
3515 remptr += strlen(remptr);
3516 remprefix = ",";
3517
3518 cupsArrayRemove(state_reasons, reason);
3519 }
3520 }
3521 }
3522 else
3523 {
3524 /*
3525 * Replace reasons...
3526 */
3527
3528 for (reason = (char *)cupsArrayFirst(state_reasons);
3529 reason;
3530 reason = (char *)cupsArrayNext(state_reasons))
3531 {
3532 if (strncmp(reason, "cups-", 5) && !cupsArrayFind(new_reasons, reason))
3533 {
3534 snprintf(remptr, sizeof(rem) - (size_t)(remptr - rem), "%s%s", remprefix, reason);
3535 remptr += strlen(remptr);
3536 remprefix = ",";
3537
3538 cupsArrayRemove(state_reasons, reason);
3539 }
3540 }
3541
3542 for (reason = (char *)cupsArrayFirst(new_reasons);
3543 reason;
3544 reason = (char *)cupsArrayNext(new_reasons))
3545 {
3546 if (!cupsArrayFind(state_reasons, reason))
3547 {
3548 cupsArrayAdd(state_reasons, reason);
3549
3550 snprintf(addptr, sizeof(add) - (size_t)(addptr - add), "%s%s", addprefix, reason);
3551 addptr += strlen(addptr);
3552 addprefix = ",";
3553 }
3554 }
3555 }
3556
3557 _cupsMutexUnlock(&report_mutex);
3558
3559 /*
3560 * Report changes and return...
3561 */
3562
3563 if (add[0] && rem[0])
3564 fprintf(stderr, "%s\n%s\n", add, rem);
3565 else if (add[0])
3566 fprintf(stderr, "%s\n", add);
3567 else if (rem[0])
3568 fprintf(stderr, "%s\n", rem);
3569 }
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