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[thirdparty/cups.git] / scheduler / dirsvc.c
1 /*
2 * "$Id: dirsvc.c 5178 2006-02-26 00:24:23Z mike $"
3 *
4 * Directory services routines for the Common UNIX Printing System (CUPS).
5 *
6 * Copyright 1997-2006 by Easy Software Products, all rights reserved.
7 *
8 * These coded instructions, statements, and computer programs are the
9 * property of Easy Software Products and are protected by Federal
10 * copyright law. Distribution and use rights are outlined in the file
11 * "LICENSE.txt" which should have been included with this file. If this
12 * file is missing or damaged please contact Easy Software Products
13 * at:
14 *
15 * Attn: CUPS Licensing Information
16 * Easy Software Products
17 * 44141 Airport View Drive, Suite 204
18 * Hollywood, Maryland 20636 USA
19 *
20 * Voice: (301) 373-9600
21 * EMail: cups-info@cups.org
22 * WWW: http://www.cups.org
23 *
24 * Contents:
25 *
26 * cupsdLoadRemoteCache() - Load the remote printer cache.
27 * cupsdSaveRemoteCache() - Save the remote printer cache.
28 * cupsdSendBrowseDelete() - Send a "browse delete" message for a
29 * printer.
30 * cupsdSendBrowseList() - Send new browsing information as necessary.
31 * cupsdSendCUPSBrowse() - Send new browsing information using the
32 * CUPS protocol.
33 * cupsdSendSLPBrowse() - Register the specified printer with SLP.
34 * cupsdStartBrowsing() - Start sending and receiving broadcast
35 * information.
36 * cupsdStartPolling() - Start polling servers as needed.
37 * cupsdStopBrowsing() - Stop sending and receiving broadcast
38 * information.
39 * cupsdStopPolling() - Stop polling servers as needed.
40 * cupsdUpdateCUPSBrowse() - Update the browse lists using the CUPS
41 * protocol.
42 * cupsdUpdatePolling() - Read status messages from the poll daemons.
43 * cupsdUpdateSLPBrowse() - Get browsing information via SLP.
44 * dequote() - Remote quotes from a string.
45 * process_browse_data() - Process new browse data.
46 * process_implicit_classes() - Create/update implicit classes as needed.
47 * slp_attr_callback() - SLP attribute callback
48 * slp_dereg_printer() - SLPDereg() the specified printer
49 * slp_get_attr() - Get an attribute from an SLP registration.
50 * slp_reg_callback() - Empty SLPRegReport.
51 * slp_url_callback() - SLP service url callback
52 */
53
54 /*
55 * Include necessary headers...
56 */
57
58 #include "cupsd.h"
59 #include <grp.h>
60
61
62 /*
63 * Local functions...
64 */
65
66 static char *dequote(char *d, const char *s, int dlen);
67 static int is_local_queue(const char *uri, char *host, int hostlen,
68 char *resource, int resourcelen);
69 static void process_browse_data(const char *uri, const char *host,
70 const char *resource, cups_ptype_t type,
71 ipp_pstate_t state, const char *location,
72 const char *info, const char *make_model,
73 int num_attrs, cups_option_t *attrs);
74 static void process_implicit_classes(void);
75
76
77 #ifdef HAVE_OPENLDAP
78 static const char * const ldap_attrs[] =/* CUPS LDAP attributes */
79 {
80 "printerDescription",
81 "printerLocation",
82 "printerMakeAndModel",
83 "printerType",
84 "printerURI",
85 NULL
86 };
87 #endif /* HAVE_OPENLDAP */
88
89 #ifdef HAVE_LIBSLP
90 /*
91 * SLP definitions...
92 */
93
94 /*
95 * SLP service name for CUPS...
96 */
97
98 # define SLP_CUPS_SRVTYPE "service:printer"
99 # define SLP_CUPS_SRVLEN 15
100
101
102 /*
103 * Printer service URL structure
104 */
105
106 typedef struct _slpsrvurl_s /**** SLP URL list ****/
107 {
108 struct _slpsrvurl_s *next; /* Next URL in list */
109 char url[HTTP_MAX_URI];
110 /* URL */
111 } slpsrvurl_t;
112
113
114 /*
115 * Local functions...
116 */
117
118 static SLPBoolean slp_attr_callback(SLPHandle hslp, const char *attrlist,
119 SLPError errcode, void *cookie);
120 static void slp_dereg_printer(cupsd_printer_t *p);
121 static int slp_get_attr(const char *attrlist, const char *tag,
122 char **valbuf);
123 static void slp_reg_callback(SLPHandle hslp, SLPError errcode,
124 void *cookie);
125 static SLPBoolean slp_url_callback(SLPHandle hslp, const char *srvurl,
126 unsigned short lifetime,
127 SLPError errcode, void *cookie);
128 #endif /* HAVE_LIBSLP */
129
130
131 /*
132 * 'cupsdLoadRemoteCache()' - Load the remote printer cache.
133 */
134
135 void
136 cupsdLoadRemoteCache(void)
137 {
138 cups_file_t *fp; /* remote.cache file */
139 int linenum; /* Current line number */
140 char line[1024], /* Line from file */
141 *value, /* Pointer to value */
142 *valueptr, /* Pointer into value */
143 scheme[32], /* Scheme portion of URI */
144 username[64], /* Username portion of URI */
145 host[HTTP_MAX_HOST],
146 /* Hostname portion of URI */
147 resource[HTTP_MAX_URI];
148 /* Resource portion of URI */
149 int port; /* Port number */
150 cupsd_printer_t *p; /* Current printer */
151 time_t now; /* Current time */
152
153
154 /*
155 * Open the remote.cache file...
156 */
157
158 snprintf(line, sizeof(line), "%s/remote.cache", CacheDir);
159 if ((fp = cupsFileOpen(line, "r")) == NULL)
160 return;
161
162 /*
163 * Read printer configurations until we hit EOF...
164 */
165
166 linenum = 0;
167 p = NULL;
168 now = time(NULL);
169
170 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
171 {
172 /*
173 * Decode the directive...
174 */
175
176 if (!strcasecmp(line, "<Printer") ||
177 !strcasecmp(line, "<DefaultPrinter"))
178 {
179 /*
180 * <Printer name> or <DefaultPrinter name>
181 */
182
183 if (p == NULL && value)
184 {
185 /*
186 * Add the printer and a base file type...
187 */
188
189 cupsdLogMessage(CUPSD_LOG_DEBUG,
190 "cupsdLoadRemoteCache: Loading printer %s...", value);
191
192 if ((p = cupsdFindDest(value)) != NULL)
193 {
194 if (p->type & CUPS_PRINTER_CLASS)
195 {
196 cupsdLogMessage(CUPSD_LOG_WARN,
197 "Cached remote printer \"%s\" conflicts with "
198 "existing class!",
199 value);
200 p = NULL;
201 continue;
202 }
203 }
204 else
205 p = cupsdAddPrinter(value);
206
207 p->accepting = 1;
208 p->state = IPP_PRINTER_IDLE;
209 p->type |= CUPS_PRINTER_REMOTE;
210 p->browse_time = now + BrowseTimeout;
211
212 /*
213 * Set the default printer as needed...
214 */
215
216 if (!strcasecmp(line, "<DefaultPrinter"))
217 DefaultPrinter = p;
218 }
219 else
220 {
221 cupsdLogMessage(CUPSD_LOG_ERROR,
222 "Syntax error on line %d of remote.cache.", linenum);
223 return;
224 }
225 }
226 else if (!strcasecmp(line, "<Class") ||
227 !strcasecmp(line, "<DefaultClass"))
228 {
229 /*
230 * <Class name> or <DefaultClass name>
231 */
232
233 if (p == NULL && value)
234 {
235 /*
236 * Add the printer and a base file type...
237 */
238
239 cupsdLogMessage(CUPSD_LOG_DEBUG,
240 "cupsdLoadRemoteCache: Loading class %s...", value);
241
242 if ((p = cupsdFindDest(value)) != NULL)
243 p->type = CUPS_PRINTER_CLASS;
244 else
245 p = cupsdAddClass(value);
246
247 p->accepting = 1;
248 p->state = IPP_PRINTER_IDLE;
249 p->type |= CUPS_PRINTER_REMOTE;
250 p->browse_time = now + BrowseTimeout;
251
252 /*
253 * Set the default printer as needed...
254 */
255
256 if (!strcasecmp(line, "<DefaultClass"))
257 DefaultPrinter = p;
258 }
259 else
260 {
261 cupsdLogMessage(CUPSD_LOG_ERROR,
262 "Syntax error on line %d of remote.cache.", linenum);
263 return;
264 }
265 }
266 else if (!strcasecmp(line, "</Printer>") ||
267 !strcasecmp(line, "</Class>"))
268 {
269 if (p != NULL)
270 {
271 /*
272 * Close out the current printer...
273 */
274
275 cupsdSetPrinterAttrs(p);
276
277 p = NULL;
278 }
279 else
280 {
281 cupsdLogMessage(CUPSD_LOG_ERROR,
282 "Syntax error on line %d of remote.cache.", linenum);
283 return;
284 }
285 }
286 else if (!p)
287 {
288 cupsdLogMessage(CUPSD_LOG_ERROR,
289 "Syntax error on line %d of remote.cache.", linenum);
290 return;
291 }
292 else if (!strcasecmp(line, "Info"))
293 {
294 if (value)
295 cupsdSetString(&p->info, value);
296 }
297 else if (!strcasecmp(line, "MakeModel"))
298 {
299 if (value)
300 cupsdSetString(&p->make_model, value);
301 }
302 else if (!strcasecmp(line, "Location"))
303 {
304 if (value)
305 cupsdSetString(&p->location, value);
306 }
307 else if (!strcasecmp(line, "DeviceURI"))
308 {
309 if (value)
310 {
311 httpSeparateURI(HTTP_URI_CODING_ALL, value, scheme, sizeof(scheme),
312 username, sizeof(username), host, sizeof(host), &port,
313 resource, sizeof(resource));
314
315 cupsdSetString(&p->hostname, host);
316 cupsdSetString(&p->uri, value);
317 cupsdSetString(&p->device_uri, value);
318 }
319 else
320 {
321 cupsdLogMessage(CUPSD_LOG_ERROR,
322 "Syntax error on line %d of remote.cache.", linenum);
323 return;
324 }
325 }
326 else if (!strcasecmp(line, "Option") && value)
327 {
328 /*
329 * Option name value
330 */
331
332 for (valueptr = value; *valueptr && !isspace(*valueptr & 255); valueptr ++);
333
334 if (!*valueptr)
335 cupsdLogMessage(CUPSD_LOG_ERROR,
336 "Syntax error on line %d of remote.cache.", linenum);
337 else
338 {
339 for (; *valueptr && isspace(*valueptr & 255); *valueptr++ = '\0');
340
341 p->num_options = cupsAddOption(value, valueptr, p->num_options,
342 &(p->options));
343 }
344 }
345 else if (!strcasecmp(line, "State"))
346 {
347 /*
348 * Set the initial queue state...
349 */
350
351 if (value && !strcasecmp(value, "idle"))
352 p->state = IPP_PRINTER_IDLE;
353 else if (value && !strcasecmp(value, "stopped"))
354 p->state = IPP_PRINTER_STOPPED;
355 else
356 {
357 cupsdLogMessage(CUPSD_LOG_ERROR,
358 "Syntax error on line %d of remote.cache.", linenum);
359 return;
360 }
361 }
362 else if (!strcasecmp(line, "StateMessage"))
363 {
364 /*
365 * Set the initial queue state message...
366 */
367
368 if (value)
369 strlcpy(p->state_message, value, sizeof(p->state_message));
370 }
371 else if (!strcasecmp(line, "Accepting"))
372 {
373 /*
374 * Set the initial accepting state...
375 */
376
377 if (value &&
378 (!strcasecmp(value, "yes") ||
379 !strcasecmp(value, "on") ||
380 !strcasecmp(value, "true")))
381 p->accepting = 1;
382 else if (value &&
383 (!strcasecmp(value, "no") ||
384 !strcasecmp(value, "off") ||
385 !strcasecmp(value, "false")))
386 p->accepting = 0;
387 else
388 {
389 cupsdLogMessage(CUPSD_LOG_ERROR,
390 "Syntax error on line %d of remote.cache.", linenum);
391 return;
392 }
393 }
394 else if (!strcasecmp(line, "Type"))
395 {
396 if (value)
397 p->type = atoi(value);
398 else
399 {
400 cupsdLogMessage(CUPSD_LOG_ERROR,
401 "Syntax error on line %d of remote.cache.", linenum);
402 return;
403 }
404 }
405 else if (!strcasecmp(line, "BrowseTime"))
406 {
407 if (value)
408 {
409 time_t t = atoi(value);
410
411 if (t > (now + BrowseInterval))
412 p->browse_time = t;
413 }
414 else
415 {
416 cupsdLogMessage(CUPSD_LOG_ERROR,
417 "Syntax error on line %d of remote.cache.", linenum);
418 return;
419 }
420 }
421 else if (!strcasecmp(line, "JobSheets"))
422 {
423 /*
424 * Set the initial job sheets...
425 */
426
427 if (value)
428 {
429 for (valueptr = value; *valueptr && !isspace(*valueptr & 255); valueptr ++);
430
431 if (*valueptr)
432 *valueptr++ = '\0';
433
434 cupsdSetString(&p->job_sheets[0], value);
435
436 while (isspace(*valueptr & 255))
437 valueptr ++;
438
439 if (*valueptr)
440 {
441 for (value = valueptr; *valueptr && !isspace(*valueptr & 255); valueptr ++);
442
443 if (*valueptr)
444 *valueptr++ = '\0';
445
446 cupsdSetString(&p->job_sheets[1], value);
447 }
448 }
449 else
450 {
451 cupsdLogMessage(CUPSD_LOG_ERROR,
452 "Syntax error on line %d of remote.cache.", linenum);
453 return;
454 }
455 }
456 else if (!strcasecmp(line, "AllowUser"))
457 {
458 if (value)
459 {
460 p->deny_users = 0;
461 cupsdAddPrinterUser(p, value);
462 }
463 else
464 {
465 cupsdLogMessage(CUPSD_LOG_ERROR,
466 "Syntax error on line %d of remote.cache.", linenum);
467 return;
468 }
469 }
470 else if (!strcasecmp(line, "DenyUser"))
471 {
472 if (value)
473 {
474 p->deny_users = 1;
475 cupsdAddPrinterUser(p, value);
476 }
477 else
478 {
479 cupsdLogMessage(CUPSD_LOG_ERROR,
480 "Syntax error on line %d of remote.cache.", linenum);
481 return;
482 }
483 }
484 else
485 {
486 /*
487 * Something else we don't understand...
488 */
489
490 cupsdLogMessage(CUPSD_LOG_ERROR,
491 "Unknown configuration directive %s on line %d of remote.cache.",
492 line, linenum);
493 }
494 }
495
496 cupsFileClose(fp);
497
498 /*
499 * Do auto-classing if needed...
500 */
501
502 process_implicit_classes();
503 }
504
505
506 /*
507 * 'cupsdSaveRemoteCache()' - Save the remote printer cache.
508 */
509
510 void
511 cupsdSaveRemoteCache(void)
512 {
513 int i; /* Looping var */
514 cups_file_t *fp; /* printers.conf file */
515 char temp[1024]; /* Temporary string */
516 cupsd_printer_t *printer; /* Current printer class */
517 time_t curtime; /* Current time */
518 struct tm *curdate; /* Current date */
519 cups_option_t *option; /* Current option */
520
521
522 /*
523 * Create the remote.cache file...
524 */
525
526 snprintf(temp, sizeof(temp), "%s/remote.cache", CacheDir);
527
528 if ((fp = cupsFileOpen(temp, "w")) == NULL)
529 {
530 cupsdLogMessage(CUPSD_LOG_ERROR,
531 "Unable to save remote.cache - %s", strerror(errno));
532 return;
533 }
534 else
535 cupsdLogMessage(CUPSD_LOG_INFO, "Saving remote.cache...");
536
537 /*
538 * Restrict access to the file...
539 */
540
541 fchown(cupsFileNumber(fp), getuid(), Group);
542 fchmod(cupsFileNumber(fp), ConfigFilePerm);
543
544 /*
545 * Write a small header to the file...
546 */
547
548 curtime = time(NULL);
549 curdate = localtime(&curtime);
550 strftime(temp, sizeof(temp) - 1, "%Y-%m-%d %H:%M", curdate);
551
552 cupsFilePuts(fp, "# Remote cache file for " CUPS_SVERSION "\n");
553 cupsFilePrintf(fp, "# Written by cupsd on %s\n", temp);
554
555 /*
556 * Write each local printer known to the system...
557 */
558
559 for (printer = (cupsd_printer_t *)cupsArrayFirst(Printers);
560 printer;
561 printer = (cupsd_printer_t *)cupsArrayNext(Printers))
562 {
563 /*
564 * Skip local destinations...
565 */
566
567 if (!(printer->type & CUPS_PRINTER_REMOTE))
568 continue;
569
570 /*
571 * Write printers as needed...
572 */
573
574 if (printer == DefaultPrinter)
575 cupsFilePuts(fp, "<Default");
576 else
577 cupsFilePutChar(fp, '<');
578
579 if (printer->type & CUPS_PRINTER_CLASS)
580 cupsFilePrintf(fp, "Class %s>\n", printer->name);
581 else
582 cupsFilePrintf(fp, "Printer %s>\n", printer->name);
583
584 cupsFilePrintf(fp, "Type %d\n", printer->type);
585
586 cupsFilePrintf(fp, "BrowseTime %d\n", (int)printer->browse_time);
587
588 if (printer->info)
589 cupsFilePrintf(fp, "Info %s\n", printer->info);
590
591 if (printer->make_model)
592 cupsFilePrintf(fp, "MakeModel %s\n", printer->make_model);
593
594 if (printer->location)
595 cupsFilePrintf(fp, "Location %s\n", printer->location);
596
597 if (printer->device_uri)
598 cupsFilePrintf(fp, "DeviceURI %s\n", printer->device_uri);
599
600 if (printer->state == IPP_PRINTER_STOPPED)
601 {
602 cupsFilePuts(fp, "State Stopped\n");
603 cupsFilePrintf(fp, "StateMessage %s\n", printer->state_message);
604 }
605 else
606 cupsFilePuts(fp, "State Idle\n");
607
608 if (printer->accepting)
609 cupsFilePuts(fp, "Accepting Yes\n");
610 else
611 cupsFilePuts(fp, "Accepting No\n");
612
613 cupsFilePrintf(fp, "JobSheets %s %s\n", printer->job_sheets[0],
614 printer->job_sheets[1]);
615
616 for (i = 0; i < printer->num_users; i ++)
617 cupsFilePrintf(fp, "%sUser %s\n", printer->deny_users ? "Deny" : "Allow",
618 printer->users[i]);
619
620 for (i = printer->num_options, option = printer->options;
621 i > 0;
622 i --, option ++)
623 cupsFilePrintf(fp, "Option %s %s\n", option->name, option->value);
624
625 if (printer->type & CUPS_PRINTER_CLASS)
626 cupsFilePuts(fp, "</Class>\n");
627 else
628 cupsFilePuts(fp, "</Printer>\n");
629 }
630
631 cupsFileClose(fp);
632 }
633
634
635 /*
636 * 'cupsdSendBrowseDelete()' - Send a "browse delete" message for a printer.
637 */
638
639 void
640 cupsdSendBrowseDelete(
641 cupsd_printer_t *p) /* I - Printer to delete */
642 {
643 /*
644 * Only announce if browsing is enabled...
645 */
646
647 if (!Browsing || !p->shared)
648 return;
649
650 /*
651 * First mark the printer for deletion...
652 */
653
654 p->type |= CUPS_PRINTER_DELETE;
655
656 /*
657 * Announce the deletion...
658 */
659
660 if (BrowseLocalProtocols & BROWSE_CUPS)
661 cupsdSendCUPSBrowse(p);
662 #ifdef HAVE_LIBSLP
663 if (BrowseLocalProtocols & BROWSE_SLP)
664 slp_dereg_printer(p);
665 #endif /* HAVE_LIBSLP */
666 }
667
668
669 /*
670 * 'cupsdSendBrowseList()' - Send new browsing information as necessary.
671 */
672
673 void
674 cupsdSendBrowseList(void)
675 {
676 int count; /* Number of dests to update */
677 cupsd_printer_t *p; /* Current printer */
678 time_t ut, /* Minimum update time */
679 to; /* Timeout time */
680
681
682 if (!Browsing || !BrowseLocalProtocols || !Printers)
683 return;
684
685 /*
686 * Compute the update and timeout times...
687 */
688
689 to = time(NULL);
690 ut = to - BrowseInterval;
691
692 /*
693 * Figure out how many printers need an update...
694 */
695
696 if (BrowseInterval > 0)
697 {
698 int max_count; /* Maximum number to update */
699
700
701 /*
702 * Throttle the number of printers we'll be updating this time
703 * around based on the number of queues that need updating and
704 * the maximum number of queues to update each second...
705 */
706
707 max_count = 2 * cupsArrayCount(Printers) / BrowseInterval + 1;
708
709 for (count = 0, p = (cupsd_printer_t *)cupsArrayFirst(Printers);
710 count < max_count && p != NULL;
711 p = (cupsd_printer_t *)cupsArrayNext(Printers))
712 if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT)) &&
713 p->shared && p->browse_time < ut)
714 count ++;
715
716 /*
717 * Loop through all of the printers and send local updates as needed...
718 */
719
720 if (BrowseNext)
721 p = (cupsd_printer_t *)cupsArrayFind(Printers, BrowseNext);
722 else
723 p = (cupsd_printer_t *)cupsArrayFirst(Printers);
724
725 for (;
726 count > 0;
727 p = (cupsd_printer_t *)cupsArrayNext(Printers))
728 {
729 /*
730 * Check for wraparound...
731 */
732
733 if (!p)
734 p = (cupsd_printer_t *)cupsArrayFirst(Printers);
735
736 if (!p)
737 break;
738 else if ((p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT)) ||
739 !p->shared)
740 continue;
741 else if (p->browse_time < ut)
742 {
743 /*
744 * Need to send an update...
745 */
746
747 count --;
748
749 p->browse_time = time(NULL);
750
751 if (BrowseLocalProtocols & BROWSE_CUPS)
752 cupsdSendCUPSBrowse(p);
753
754 #ifdef HAVE_LIBSLP
755 if (BrowseLocalProtocols & BROWSE_SLP)
756 cupsdSendSLPBrowse(p);
757 #endif /* HAVE_LIBSLP */
758
759 #ifdef HAVE_LDAP
760 if (BrowseLocalProtocols & BROWSE_LDAP)
761 cupsdSendLDAPBrowse(p);
762 #endif /* HAVE_LDAP */
763 }
764 }
765
766 /*
767 * Save where we left off so that all printers get updated...
768 */
769
770 BrowseNext = p;
771 }
772
773 /*
774 * Loop through all of the printers and send local updates as needed...
775 */
776
777 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
778 p;
779 p = (cupsd_printer_t *)cupsArrayNext(Printers))
780 {
781 /*
782 * If this is a remote queue, see if it needs to be timed out...
783 */
784
785 if (p->type & CUPS_PRINTER_REMOTE)
786 {
787 if (p->browse_expire < to)
788 {
789 cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
790 "%s \'%s\' deleted by directory services (timeout).",
791 (p->type & CUPS_PRINTER_CLASS) ? "Class" : "Printer",
792 p->name);
793
794 cupsdLogMessage(CUPSD_LOG_INFO,
795 "Remote destination \"%s\" has timed out; "
796 "deleting it...",
797 p->name);
798
799 cupsArraySave(Printers);
800 cupsdDeletePrinter(p, 1);
801 cupsArrayRestore(Printers);
802 }
803 }
804 }
805 }
806
807
808 /*
809 * 'cupsdSendCUPSBrowse()' - Send new browsing information using the CUPS
810 * protocol.
811 */
812
813 void
814 cupsdSendCUPSBrowse(cupsd_printer_t *p) /* I - Printer to send */
815 {
816 int i; /* Looping var */
817 cups_ptype_t type; /* Printer type */
818 cupsd_dirsvc_addr_t *b; /* Browse address */
819 int bytes; /* Length of packet */
820 char packet[1453], /* Browse data packet */
821 uri[1024], /* Printer URI */
822 location[1024], /* printer-location */
823 info[1024], /* printer-info */
824 make_model[1024];
825 /* printer-make-and-model */
826 cupsd_netif_t *iface; /* Network interface */
827
828
829 /*
830 * Figure out the printer type value...
831 */
832
833 type = p->type | CUPS_PRINTER_REMOTE;
834
835 if (!p->accepting)
836 type |= CUPS_PRINTER_REJECTING;
837
838 if (p == DefaultPrinter)
839 type |= CUPS_PRINTER_DEFAULT;
840
841 /*
842 * Remove quotes from printer-info, printer-location, and
843 * printer-make-and-model attributes...
844 */
845
846 dequote(location, p->location, sizeof(p->location));
847 dequote(info, p->info, sizeof(p->info));
848 dequote(make_model, p->make_model ? p->make_model : "Unknown",
849 sizeof(make_model));
850
851 /*
852 * Send a packet to each browse address...
853 */
854
855 for (i = NumBrowsers, b = Browsers; i > 0; i --, b ++)
856 if (b->iface[0])
857 {
858 /*
859 * Send the browse packet to one or more interfaces...
860 */
861
862 if (!strcmp(b->iface, "*"))
863 {
864 /*
865 * Send to all local interfaces...
866 */
867
868 cupsdNetIFUpdate();
869
870 for (iface = (cupsd_netif_t *)cupsArrayFirst(NetIFList);
871 iface;
872 iface = (cupsd_netif_t *)cupsArrayNext(NetIFList))
873 {
874 /*
875 * Only send to local, IPv4 interfaces...
876 */
877
878 if (!iface->is_local || !iface->port ||
879 iface->address.addr.sa_family != AF_INET)
880 continue;
881
882 httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
883 iface->hostname, iface->port,
884 (p->type & CUPS_PRINTER_CLASS) ? "/classes/%s%s" :
885 "/printers/%s",
886 p->name);
887 snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\" %s\n",
888 type, p->state, uri, location, info, make_model,
889 p->browse_attrs ? p->browse_attrs : "");
890
891 bytes = strlen(packet);
892
893 cupsdLogMessage(CUPSD_LOG_DEBUG2,
894 "cupsdSendBrowseList: (%d bytes to \"%s\") %s", bytes,
895 iface->name, packet);
896
897 iface->broadcast.ipv4.sin_port = htons(BrowsePort);
898
899 sendto(BrowseSocket, packet, bytes, 0,
900 (struct sockaddr *)&(iface->broadcast),
901 sizeof(struct sockaddr_in));
902 }
903 }
904 else if ((iface = cupsdNetIFFind(b->iface)) != NULL)
905 {
906 /*
907 * Send to the named interface using the IPv4 address...
908 */
909
910 while (iface)
911 if (strcmp(b->iface, iface->name))
912 {
913 iface = NULL;
914 break;
915 }
916 else if (iface->address.addr.sa_family == AF_INET && iface->port)
917 break;
918 else
919 iface = (cupsd_netif_t *)cupsArrayNext(NetIFList);
920
921 if (iface)
922 {
923 httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
924 iface->hostname, iface->port,
925 (p->type & CUPS_PRINTER_CLASS) ? "/classes/%s%s" :
926 "/printers/%s",
927 p->name);
928 snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\" %s\n",
929 type, p->state, uri, location, info, make_model,
930 p->browse_attrs ? p->browse_attrs : "");
931
932 bytes = strlen(packet);
933
934 cupsdLogMessage(CUPSD_LOG_DEBUG2,
935 "cupsdSendBrowseList: (%d bytes to \"%s\") %s", bytes,
936 iface->name, packet);
937
938 iface->broadcast.ipv4.sin_port = htons(BrowsePort);
939
940 sendto(BrowseSocket, packet, bytes, 0,
941 (struct sockaddr *)&(iface->broadcast),
942 sizeof(struct sockaddr_in));
943 }
944 }
945 }
946 else
947 {
948 /*
949 * Send the browse packet to the indicated address using
950 * the default server name...
951 */
952
953 snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\" %s\n",
954 type, p->state, p->uri, location, info, make_model,
955 p->browse_attrs ? p->browse_attrs : "");
956
957 bytes = strlen(packet);
958 cupsdLogMessage(CUPSD_LOG_DEBUG2,
959 "cupsdSendBrowseList: (%d bytes) %s", bytes, packet);
960
961 if (sendto(BrowseSocket, packet, bytes, 0,
962 (struct sockaddr *)&(b->to),
963 sizeof(struct sockaddr_in)) <= 0)
964 {
965 /*
966 * Unable to send browse packet, so remove this address from the
967 * list...
968 */
969
970 cupsdLogMessage(CUPSD_LOG_ERROR,
971 "cupsdSendBrowseList: sendto failed for browser "
972 "%d - %s.",
973 b - Browsers + 1, strerror(errno));
974
975 if (i > 1)
976 memmove(b, b + 1, (i - 1) * sizeof(cupsd_dirsvc_addr_t));
977
978 b --;
979 NumBrowsers --;
980 }
981 }
982 }
983
984
985 #ifdef HAVE_OPENLDAP
986 /*
987 * cupsdSendLDAPBrowse()' - Send LDAP printer registrations.
988 */
989
990 void
991 cupsdSendLDAPBrowse(cupsd_printer_t *p) /* I - Printer to register */
992 {
993 int i; /* Looping var... */
994 LDAPMod mods[7]; /* The 7 attributes we will be adding */
995 LDAPMod *pmods[8]; /* Pointers to the 7 attributes + NULL */
996 LDAPMessage *res; /* Search result token */
997 char *cn_value[2], /* Change records */
998 *uri[2],
999 *info[2],
1000 *location[2],
1001 *make_model[2],
1002 *type[2],
1003 typestring[255], /* String to hold printer-type */
1004 filter[256], /* Search filter for possible UPDATEs */
1005 dn[1024]; /* DN of the printer we are adding */
1006 int rc; /* LDAP status */
1007 static const char * const objectClass_values[] =
1008 { /* The 3 objectClass's we use in */
1009 "top", /* our LDAP entries */
1010 "device",
1011 "cupsPrinter",
1012 NULL
1013 };
1014
1015 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdSendLDAPBrowse: %s\n", p->name);
1016
1017 /*
1018 * Everything in ldap is ** so we fudge around it...
1019 */
1020
1021 sprintf(typestring, "%u", p->type);
1022
1023 cn_value[0] = p->info;
1024 cn_value[1] = NULL;
1025 info[0] = p->info;
1026 info[1] = NULL;
1027 location[0] = p->location;
1028 location[1] = NULL;
1029 make_model[0] = p->make_model;
1030 make_model[1] = NULL;
1031 type[0] = typestring;
1032 type[1] = NULL;
1033 uri[0] = p->uri;
1034 uri[1] = NULL;
1035
1036 snprintf(filter, sizeof(filter),
1037 "(&(objectclass=cupsPrinter)(printerDescription~=%s))", p->info);
1038
1039 ldap_search_s(BrowseLDAPHandle, BrowseLDAPDN, LDAP_SCOPE_SUBTREE,
1040 filter, (char **)ldap_attrs, 0, &res);
1041 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdSendLDAPBrowse: Searching \"%s\"",
1042 filter);
1043
1044 mods[0].mod_type = "cn";
1045 mods[0].mod_values = cn_value;
1046 mods[1].mod_type = "printerDescription";
1047 mods[1].mod_values = info;
1048 mods[2].mod_type = "printerURI";
1049 mods[2].mod_values = uri;
1050 mods[3].mod_type = "printerLocation";
1051 mods[3].mod_values = location;
1052 mods[4].mod_type = "printerMakeAndModel";
1053 mods[4].mod_values = make_model;
1054 mods[5].mod_type = "printerType";
1055 mods[5].mod_values = type;
1056 mods[6].mod_type = "objectClass";
1057 mods[6].mod_values = (char **)objectClass_values;
1058
1059 snprintf(dn, sizeof(dn), "cn=%s,ou=printers,%s", p->info, BrowseLDAPDN);
1060 cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdSendLDAPBrowse: dn=\"%s\"", dn);
1061
1062 if (ldap_count_entries(BrowseLDAPHandle, res) > 0)
1063 {
1064 /*
1065 * Printer has already been registered, modify the current
1066 * registration...
1067 */
1068
1069 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1070 "cupsdSendLDAPBrowse: Replacing entry...");
1071
1072 for (i = 0; i < 7; i ++)
1073 {
1074 pmods[i] = mods + i;
1075 pmods[i]->mod_op = LDAP_MOD_REPLACE;
1076 }
1077 pmods[i] = NULL;
1078
1079 if ((rc = ldap_modify_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
1080 cupsdLogMessage(CUPSD_LOG_ERROR,
1081 "LDAP modify for %s failed with status %d: %s",
1082 p->name, rc, ldap_err2string(rc));
1083 }
1084 else
1085 {
1086 /*
1087 * Printer has already been registered, modify the current
1088 * registration...
1089 */
1090
1091 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1092 "cupsdSendLDAPBrowse: Adding entry...");
1093
1094 for (i = 0; i < 7; i ++)
1095 {
1096 pmods[i] = mods + i;
1097 pmods[i]->mod_op = LDAP_MOD_REPLACE;
1098 }
1099 pmods[i] = NULL;
1100
1101 if ((rc = ldap_modify_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
1102 cupsdLogMessage(CUPSD_LOG_ERROR,
1103 "LDAP add for %s failed with status %d: %s",
1104 p->name, rc, ldap_err2string(rc));
1105 }
1106 }
1107 #endif /* HAVE_OPENLDAP */
1108
1109
1110 #ifdef HAVE_LIBSLP
1111 /*
1112 * 'cupsdSendSLPBrowse()' - Register the specified printer with SLP.
1113 */
1114
1115 void
1116 cupsdSendSLPBrowse(cupsd_printer_t *p) /* I - Printer to register */
1117 {
1118 char srvurl[HTTP_MAX_URI], /* Printer service URI */
1119 attrs[8192], /* Printer attributes */
1120 finishings[1024], /* Finishings to support */
1121 make_model[IPP_MAX_NAME * 2],
1122 /* Make and model, quoted */
1123 location[IPP_MAX_NAME * 2],
1124 /* Location, quoted */
1125 info[IPP_MAX_NAME * 2], /* Info, quoted */
1126 *src, /* Pointer to original string */
1127 *dst; /* Pointer to destination string */
1128 ipp_attribute_t *authentication; /* uri-authentication-supported value */
1129 SLPError error; /* SLP error, if any */
1130
1131
1132 cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendSLPBrowse(%p = \"%s\")", p,
1133 p->name);
1134
1135 /*
1136 * Make the SLP service URL that conforms to the IANA
1137 * 'printer:' template.
1138 */
1139
1140 snprintf(srvurl, sizeof(srvurl), SLP_CUPS_SRVTYPE ":%s", p->uri);
1141
1142 cupsdLogMessage(CUPSD_LOG_DEBUG2, "Service URL = \"%s\"", srvurl);
1143
1144 /*
1145 * Figure out the finishings string...
1146 */
1147
1148 if (p->type & CUPS_PRINTER_STAPLE)
1149 strcpy(finishings, "staple");
1150 else
1151 finishings[0] = '\0';
1152
1153 if (p->type & CUPS_PRINTER_BIND)
1154 {
1155 if (finishings[0])
1156 strlcat(finishings, ",bind", sizeof(finishings));
1157 else
1158 strcpy(finishings, "bind");
1159 }
1160
1161 if (p->type & CUPS_PRINTER_PUNCH)
1162 {
1163 if (finishings[0])
1164 strlcat(finishings, ",punch", sizeof(finishings));
1165 else
1166 strcpy(finishings, "punch");
1167 }
1168
1169 if (p->type & CUPS_PRINTER_COVER)
1170 {
1171 if (finishings[0])
1172 strlcat(finishings, ",cover", sizeof(finishings));
1173 else
1174 strcpy(finishings, "cover");
1175 }
1176
1177 if (p->type & CUPS_PRINTER_SORT)
1178 {
1179 if (finishings[0])
1180 strlcat(finishings, ",sort", sizeof(finishings));
1181 else
1182 strcpy(finishings, "sort");
1183 }
1184
1185 if (!finishings[0])
1186 strcpy(finishings, "none");
1187
1188 /*
1189 * Quote any commas in the make and model, location, and info strings...
1190 */
1191
1192 for (src = p->make_model, dst = make_model;
1193 src && *src && dst < (make_model + sizeof(make_model) - 2);)
1194 {
1195 if (*src == ',' || *src == '\\' || *src == ')')
1196 *dst++ = '\\';
1197
1198 *dst++ = *src++;
1199 }
1200
1201 *dst = '\0';
1202
1203 if (!make_model[0])
1204 strcpy(make_model, "Unknown");
1205
1206 for (src = p->location, dst = location;
1207 src && *src && dst < (location + sizeof(location) - 2);)
1208 {
1209 if (*src == ',' || *src == '\\' || *src == ')')
1210 *dst++ = '\\';
1211
1212 *dst++ = *src++;
1213 }
1214
1215 *dst = '\0';
1216
1217 if (!location[0])
1218 strcpy(location, "Unknown");
1219
1220 for (src = p->info, dst = info;
1221 src && *src && dst < (info + sizeof(info) - 2);)
1222 {
1223 if (*src == ',' || *src == '\\' || *src == ')')
1224 *dst++ = '\\';
1225
1226 *dst++ = *src++;
1227 }
1228
1229 *dst = '\0';
1230
1231 if (!info[0])
1232 strcpy(info, "Unknown");
1233
1234 /*
1235 * Get the authentication value...
1236 */
1237
1238 authentication = ippFindAttribute(p->attrs, "uri-authentication-supported",
1239 IPP_TAG_KEYWORD);
1240
1241 /*
1242 * Make the SLP attribute string list that conforms to
1243 * the IANA 'printer:' template.
1244 */
1245
1246 snprintf(attrs, sizeof(attrs),
1247 "(printer-uri-supported=%s),"
1248 "(uri-authentication-supported=%s>),"
1249 #ifdef HAVE_SSL
1250 "(uri-security-supported=tls>),"
1251 #else
1252 "(uri-security-supported=none>),"
1253 #endif /* HAVE_SSL */
1254 "(printer-name=%s),"
1255 "(printer-location=%s),"
1256 "(printer-info=%s),"
1257 "(printer-more-info=%s),"
1258 "(printer-make-and-model=%s),"
1259 "(printer-type=%d),"
1260 "(charset-supported=utf-8),"
1261 "(natural-language-configured=%s),"
1262 "(natural-language-supported=de,en,es,fr,it),"
1263 "(color-supported=%s),"
1264 "(finishings-supported=%s),"
1265 "(sides-supported=one-sided%s),"
1266 "(multiple-document-jobs-supported=true)"
1267 "(ipp-versions-supported=1.0,1.1)",
1268 p->uri, authentication->values[0].string.text, p->name, location,
1269 info, p->uri, make_model, p->type, DefaultLanguage,
1270 p->type & CUPS_PRINTER_COLOR ? "true" : "false",
1271 finishings,
1272 p->type & CUPS_PRINTER_DUPLEX ?
1273 ",two-sided-long-edge,two-sided-short-edge" : "");
1274
1275 cupsdLogMessage(CUPSD_LOG_DEBUG2, "Attributes = \"%s\"", attrs);
1276
1277 /*
1278 * Register the printer with the SLP server...
1279 */
1280
1281 error = SLPReg(BrowseSLPHandle, srvurl, BrowseTimeout,
1282 SLP_CUPS_SRVTYPE, attrs, SLP_TRUE, slp_reg_callback, 0);
1283
1284 if (error != SLP_OK)
1285 cupsdLogMessage(CUPSD_LOG_ERROR, "SLPReg of \"%s\" failed with status %d!", p->name,
1286 error);
1287 }
1288 #endif /* HAVE_LIBSLP */
1289
1290
1291 /*
1292 * 'cupsdStartBrowsing()' - Start sending and receiving broadcast information.
1293 */
1294
1295 void
1296 cupsdStartBrowsing(void)
1297 {
1298 int val; /* Socket option value */
1299 struct sockaddr_in addr; /* Broadcast address */
1300
1301
1302 BrowseNext = NULL;
1303
1304 if (!Browsing || !(BrowseLocalProtocols | BrowseRemoteProtocols))
1305 return;
1306
1307 if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_CUPS)
1308 {
1309 if (BrowseSocket < 0)
1310 {
1311 /*
1312 * Create the broadcast socket...
1313 */
1314
1315 if ((BrowseSocket = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
1316 {
1317 cupsdLogMessage(CUPSD_LOG_ERROR,
1318 "cupsdStartBrowsing: Unable to create broadcast "
1319 "socket - %s.", strerror(errno));
1320 BrowseLocalProtocols &= ~BROWSE_CUPS;
1321 BrowseRemoteProtocols &= ~BROWSE_CUPS;
1322 return;
1323 }
1324
1325 /*
1326 * Bind the socket to browse port...
1327 */
1328
1329 memset(&addr, 0, sizeof(addr));
1330 addr.sin_addr.s_addr = htonl(INADDR_ANY);
1331 addr.sin_family = AF_INET;
1332 addr.sin_port = htons(BrowsePort);
1333
1334 if (bind(BrowseSocket, (struct sockaddr *)&addr, sizeof(addr)))
1335 {
1336 cupsdLogMessage(CUPSD_LOG_ERROR,
1337 "cupsdStartBrowsing: Unable to bind broadcast "
1338 "socket - %s.", strerror(errno));
1339
1340 #ifdef WIN32
1341 closesocket(BrowseSocket);
1342 #else
1343 close(BrowseSocket);
1344 #endif /* WIN32 */
1345
1346 BrowseSocket = -1;
1347 BrowseLocalProtocols &= ~BROWSE_CUPS;
1348 BrowseRemoteProtocols &= ~BROWSE_CUPS;
1349 return;
1350 }
1351 }
1352
1353 /*
1354 * Set the "broadcast" flag...
1355 */
1356
1357 val = 1;
1358 if (setsockopt(BrowseSocket, SOL_SOCKET, SO_BROADCAST, &val, sizeof(val)))
1359 {
1360 cupsdLogMessage(CUPSD_LOG_ERROR,
1361 "cupsdStartBrowsing: Unable to set broadcast mode - %s.",
1362 strerror(errno));
1363
1364 #ifdef WIN32
1365 closesocket(BrowseSocket);
1366 #else
1367 close(BrowseSocket);
1368 #endif /* WIN32 */
1369
1370 BrowseSocket = -1;
1371 BrowseLocalProtocols &= ~BROWSE_CUPS;
1372 BrowseRemoteProtocols &= ~BROWSE_CUPS;
1373 return;
1374 }
1375
1376 /*
1377 * Close the socket on exec...
1378 */
1379
1380 fcntl(BrowseSocket, F_SETFD, fcntl(BrowseSocket, F_GETFD) | FD_CLOEXEC);
1381
1382 /*
1383 * Finally, add the socket to the input selection set...
1384 */
1385
1386 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1387 "cupsdStartBrowsing: Adding fd %d to InputSet...",
1388 BrowseSocket);
1389
1390 FD_SET(BrowseSocket, InputSet);
1391 }
1392 else
1393 BrowseSocket = -1;
1394
1395 #ifdef HAVE_LIBSLP
1396 if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_SLP)
1397 {
1398 /*
1399 * Open SLP handle...
1400 */
1401
1402 if (SLPOpen("en", SLP_FALSE, &BrowseSLPHandle) != SLP_OK)
1403 {
1404 cupsdLogMessage(CUPSD_LOG_ERROR,
1405 "Unable to open an SLP handle; disabling SLP browsing!");
1406 BrowseLocalProtocols &= ~BROWSE_SLP;
1407 BrowseRemoteProtocols &= ~BROWSE_SLP;
1408 }
1409
1410 BrowseSLPRefresh = 0;
1411 }
1412 #endif /* HAVE_LIBSLP */
1413
1414 #ifdef HAVE_OPENLDAP
1415 if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_LDAP)
1416 {
1417 if (!BrowseLDAPDN)
1418 {
1419 cupsdLogMessage(CUPSD_LOG_ERROR,
1420 "Need to set BrowseLDAPDN to use LDAP browsing!");
1421 BrowseLocalProtocols &= ~BROWSE_LDAP;
1422 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1423 }
1424 else
1425 {
1426 /*
1427 * Open LDAP handle...
1428 */
1429
1430 int rc; /* LDAP API status */
1431 int version = 3; /* LDAP version */
1432 struct berval bv = {0, ""}; /* SASL bind value */
1433
1434
1435 /*
1436 * LDAP stuff currently only supports ldapi EXTERNAL SASL binds...
1437 */
1438
1439 if (!BrowseLDAPServer || !strcasecmp(BrowseLDAPServer, "localhost"))
1440 rc = ldap_initialize(&BrowseLDAPHandle, "ldapi:///");
1441 else
1442 rc = ldap_initialize(&BrowseLDAPHandle, BrowseLDAPServer);
1443
1444 if (rc != LDAP_SUCCESS)
1445 {
1446 cupsdLogMessage(CUPSD_LOG_ERROR,
1447 "Unable to initialize LDAP; disabling LDAP browsing!");
1448 BrowseLocalProtocols &= ~BROWSE_LDAP;
1449 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1450 }
1451 else if (ldap_set_option(BrowseLDAPHandle, LDAP_OPT_PROTOCOL_VERSION,
1452 (const void *)&version) != LDAP_SUCCESS)
1453 {
1454 ldap_unbind_ext(BrowseLDAPHandle, NULL, NULL);
1455 BrowseLDAPHandle = NULL;
1456 cupsdLogMessage(CUPSD_LOG_ERROR,
1457 "Unable to set LDAP protocol version; "
1458 "disabling LDAP browsing!");
1459 BrowseLocalProtocols &= ~BROWSE_LDAP;
1460 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1461 }
1462 else
1463 {
1464 if (!BrowseLDAPServer || !strcasecmp(BrowseLDAPServer, "localhost"))
1465 rc = ldap_sasl_bind_s(BrowseLDAPHandle, NULL, "EXTERNAL", &bv, NULL,
1466 NULL, NULL);
1467 else
1468 rc = ldap_bind_s(BrowseLDAPHandle, BrowseLDAPBindDN,
1469 BrowseLDAPPassword, LDAP_AUTH_SIMPLE);
1470
1471 if (rc != LDAP_SUCCESS)
1472 {
1473 cupsdLogMessage(CUPSD_LOG_ERROR,
1474 "Unable to bind to LDAP server; "
1475 "disabling LDAP browsing!");
1476 ldap_unbind_ext(BrowseLDAPHandle, NULL, NULL);
1477 BrowseLocalProtocols &= ~BROWSE_LDAP;
1478 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1479 }
1480 }
1481 }
1482
1483 BrowseLDAPRefresh = 0;
1484 }
1485 #endif /* HAVE_OPENLDAP */
1486 }
1487
1488
1489 /*
1490 * 'cupsdStartPolling()' - Start polling servers as needed.
1491 */
1492
1493 void
1494 cupsdStartPolling(void)
1495 {
1496 int i; /* Looping var */
1497 cupsd_dirsvc_poll_t *pollp; /* Current polling server */
1498 char polld[1024]; /* Poll daemon path */
1499 char sport[10]; /* Server port */
1500 char bport[10]; /* Browser port */
1501 char interval[10]; /* Poll interval */
1502 int statusfds[2]; /* Status pipe */
1503 char *argv[6]; /* Arguments */
1504 char *envp[100]; /* Environment */
1505
1506
1507 /*
1508 * Don't do anything if we aren't polling...
1509 */
1510
1511 if (NumPolled == 0)
1512 {
1513 PollPipe = -1;
1514 PollStatusBuffer = NULL;
1515 return;
1516 }
1517
1518 /*
1519 * Setup string arguments for polld, port and interval options.
1520 */
1521
1522 snprintf(polld, sizeof(polld), "%s/daemon/cups-polld", ServerBin);
1523
1524 sprintf(bport, "%d", BrowsePort);
1525
1526 if (BrowseInterval)
1527 sprintf(interval, "%d", BrowseInterval);
1528 else
1529 strcpy(interval, "30");
1530
1531 argv[0] = "cups-polld";
1532 argv[2] = sport;
1533 argv[3] = interval;
1534 argv[4] = bport;
1535 argv[5] = NULL;
1536
1537 cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0])));
1538
1539 /*
1540 * Create a pipe that receives the status messages from each
1541 * polling daemon...
1542 */
1543
1544 if (cupsdOpenPipe(statusfds))
1545 {
1546 cupsdLogMessage(CUPSD_LOG_ERROR,
1547 "Unable to create polling status pipes - %s.",
1548 strerror(errno));
1549 PollPipe = -1;
1550 PollStatusBuffer = NULL;
1551 return;
1552 }
1553
1554 PollPipe = statusfds[0];
1555 PollStatusBuffer = cupsdStatBufNew(PollPipe, "[Poll]");
1556
1557 /*
1558 * Run each polling daemon, redirecting stderr to the polling pipe...
1559 */
1560
1561 for (i = 0, pollp = Polled; i < NumPolled; i ++, pollp ++)
1562 {
1563 sprintf(sport, "%d", pollp->port);
1564
1565 argv[1] = pollp->hostname;
1566
1567 if (cupsdStartProcess(polld, argv, envp, -1, -1, statusfds[1], -1,
1568 0, &(pollp->pid)) < 0)
1569 {
1570 cupsdLogMessage(CUPSD_LOG_ERROR,
1571 "cupsdStartPolling: Unable to fork polling daemon - %s",
1572 strerror(errno));
1573 pollp->pid = 0;
1574 break;
1575 }
1576 else
1577 cupsdLogMessage(CUPSD_LOG_DEBUG,
1578 "cupsdStartPolling: Started polling daemon for %s:%d, pid = %d",
1579 pollp->hostname, pollp->port, pollp->pid);
1580 }
1581
1582 close(statusfds[1]);
1583
1584 /*
1585 * Finally, add the pipe to the input selection set...
1586 */
1587
1588 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1589 "cupsdStartPolling: Adding fd %d to InputSet...", PollPipe);
1590
1591 FD_SET(PollPipe, InputSet);
1592 }
1593
1594
1595 /*
1596 * 'cupsdStopBrowsing()' - Stop sending and receiving broadcast information.
1597 */
1598
1599 void
1600 cupsdStopBrowsing(void)
1601 {
1602 if (!Browsing || !(BrowseLocalProtocols | BrowseRemoteProtocols))
1603 return;
1604
1605 if (((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_CUPS) &&
1606 BrowseSocket >= 0)
1607 {
1608 /*
1609 * Close the socket and remove it from the input selection set.
1610 */
1611
1612 #ifdef WIN32
1613 closesocket(BrowseSocket);
1614 #else
1615 close(BrowseSocket);
1616 #endif /* WIN32 */
1617
1618 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1619 "cupsdStopBrowsing: Removing fd %d from InputSet...",
1620 BrowseSocket);
1621
1622 FD_CLR(BrowseSocket, InputSet);
1623 BrowseSocket = -1;
1624 }
1625
1626 #ifdef HAVE_LIBSLP
1627 if (((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_SLP) &&
1628 BrowseSLPHandle)
1629 {
1630 /*
1631 * Close SLP handle...
1632 */
1633
1634 SLPClose(BrowseSLPHandle);
1635 BrowseSLPHandle = NULL;
1636 }
1637 #endif /* HAVE_LIBSLP */
1638
1639 #ifdef HAVE_OPENDAP
1640 if (((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_LDAP) &&
1641 BrowseLDAPHandle)
1642 {
1643 ldap_unbind(BrowseLDAPHandle);
1644 BrowseLDAPHandle = NULL;
1645 }
1646 #endif /* HAVE_OPENLDAP */
1647 }
1648
1649
1650 /*
1651 * 'cupsdStopPolling()' - Stop polling servers as needed.
1652 */
1653
1654 void
1655 cupsdStopPolling(void)
1656 {
1657 int i; /* Looping var */
1658 cupsd_dirsvc_poll_t *pollp; /* Current polling server */
1659
1660
1661 if (PollPipe >= 0)
1662 {
1663 cupsdStatBufDelete(PollStatusBuffer);
1664 close(PollPipe);
1665
1666 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1667 "cupsdStopPolling: removing fd %d from InputSet.", PollPipe);
1668 FD_CLR(PollPipe, InputSet);
1669
1670 PollPipe = -1;
1671 PollStatusBuffer = NULL;
1672 }
1673
1674 for (i = 0, pollp = Polled; i < NumPolled; i ++, pollp ++)
1675 if (pollp->pid)
1676 cupsdEndProcess(pollp->pid, 0);
1677 }
1678
1679
1680 /*
1681 * 'cupsdUpdateCUPSBrowse()' - Update the browse lists using the CUPS protocol.
1682 */
1683
1684 void
1685 cupsdUpdateCUPSBrowse(void)
1686 {
1687 int i; /* Looping var */
1688 int auth; /* Authorization status */
1689 int len; /* Length of name string */
1690 int bytes; /* Number of bytes left */
1691 char packet[1541], /* Broadcast packet */
1692 *pptr; /* Pointer into packet */
1693 socklen_t srclen; /* Length of source address */
1694 http_addr_t srcaddr; /* Source address */
1695 char srcname[1024]; /* Source hostname */
1696 unsigned address[4]; /* Source address */
1697 unsigned type; /* Printer type */
1698 unsigned state; /* Printer state */
1699 char uri[HTTP_MAX_URI], /* Printer URI */
1700 host[HTTP_MAX_URI], /* Host portion of URI */
1701 resource[HTTP_MAX_URI], /* Resource portion of URI */
1702 info[IPP_MAX_NAME], /* Information string */
1703 location[IPP_MAX_NAME], /* Location string */
1704 make_model[IPP_MAX_NAME];/* Make and model string */
1705 int num_attrs; /* Number of attributes */
1706 cups_option_t *attrs; /* Attributes */
1707
1708
1709 /*
1710 * Read a packet from the browse socket...
1711 */
1712
1713 srclen = sizeof(srcaddr);
1714 if ((bytes = recvfrom(BrowseSocket, packet, sizeof(packet) - 1, 0,
1715 (struct sockaddr *)&srcaddr, &srclen)) < 0)
1716 {
1717 /*
1718 * "Connection refused" is returned under Linux if the destination port
1719 * or address is unreachable from a previous sendto(); check for the
1720 * error here and ignore it for now...
1721 */
1722
1723 if (errno != ECONNREFUSED && errno != EAGAIN)
1724 {
1725 cupsdLogMessage(CUPSD_LOG_ERROR, "Browse recv failed - %s.",
1726 strerror(errno));
1727 cupsdLogMessage(CUPSD_LOG_ERROR, "Browsing turned off.");
1728
1729 cupsdStopBrowsing();
1730 Browsing = 0;
1731 }
1732
1733 return;
1734 }
1735
1736 packet[bytes] = '\0';
1737
1738 /*
1739 * If we're about to sleep, ignore incoming browse packets.
1740 */
1741
1742 if (Sleeping)
1743 return;
1744
1745 /*
1746 * Figure out where it came from...
1747 */
1748
1749 #ifdef AF_INET6
1750 if (srcaddr.addr.sa_family == AF_INET6)
1751 {
1752 address[0] = ntohl(srcaddr.ipv6.sin6_addr.s6_addr32[0]);
1753 address[1] = ntohl(srcaddr.ipv6.sin6_addr.s6_addr32[1]);
1754 address[2] = ntohl(srcaddr.ipv6.sin6_addr.s6_addr32[2]);
1755 address[3] = ntohl(srcaddr.ipv6.sin6_addr.s6_addr32[3]);
1756 }
1757 else
1758 #endif /* AF_INET6 */
1759 {
1760 address[0] = 0;
1761 address[1] = 0;
1762 address[2] = 0;
1763 address[3] = ntohl(srcaddr.ipv4.sin_addr.s_addr);
1764 }
1765
1766 if (HostNameLookups)
1767 httpAddrLookup(&srcaddr, srcname, sizeof(srcname));
1768 else
1769 httpAddrString(&srcaddr, srcname, sizeof(srcname));
1770
1771 len = strlen(srcname);
1772
1773 /*
1774 * Do ACL stuff...
1775 */
1776
1777 if (BrowseACL)
1778 {
1779 if (httpAddrLocalhost(&srcaddr) || !strcasecmp(srcname, "localhost"))
1780 {
1781 /*
1782 * Access from localhost (127.0.0.1) is always allowed...
1783 */
1784
1785 auth = AUTH_ALLOW;
1786 }
1787 else
1788 {
1789 /*
1790 * Do authorization checks on the domain/address...
1791 */
1792
1793 switch (BrowseACL->order_type)
1794 {
1795 default :
1796 auth = AUTH_DENY; /* anti-compiler-warning-code */
1797 break;
1798
1799 case AUTH_ALLOW : /* Order Deny,Allow */
1800 auth = AUTH_ALLOW;
1801
1802 if (cupsdCheckAuth(address, srcname, len,
1803 BrowseACL->num_deny, BrowseACL->deny))
1804 auth = AUTH_DENY;
1805
1806 if (cupsdCheckAuth(address, srcname, len,
1807 BrowseACL->num_allow, BrowseACL->allow))
1808 auth = AUTH_ALLOW;
1809 break;
1810
1811 case AUTH_DENY : /* Order Allow,Deny */
1812 auth = AUTH_DENY;
1813
1814 if (cupsdCheckAuth(address, srcname, len,
1815 BrowseACL->num_allow, BrowseACL->allow))
1816 auth = AUTH_ALLOW;
1817
1818 if (cupsdCheckAuth(address, srcname, len,
1819 BrowseACL->num_deny, BrowseACL->deny))
1820 auth = AUTH_DENY;
1821 break;
1822 }
1823 }
1824 }
1825 else
1826 auth = AUTH_ALLOW;
1827
1828 if (auth == AUTH_DENY)
1829 {
1830 cupsdLogMessage(CUPSD_LOG_DEBUG,
1831 "cupsdUpdateCUPSBrowse: Refused %d bytes from %s", bytes,
1832 srcname);
1833 return;
1834 }
1835
1836 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1837 "cupsdUpdateCUPSBrowse: (%d bytes from %s) %s", bytes,
1838 srcname, packet);
1839
1840 /*
1841 * Parse packet...
1842 */
1843
1844 if (sscanf(packet, "%x%x%1023s", &type, &state, uri) < 3)
1845 {
1846 cupsdLogMessage(CUPSD_LOG_WARN,
1847 "cupsdUpdateCUPSBrowse: Garbled browse packet - %s", packet);
1848 return;
1849 }
1850
1851 strcpy(location, "Location Unknown");
1852 strcpy(info, "No Information Available");
1853 make_model[0] = '\0';
1854 num_attrs = 0;
1855 attrs = NULL;
1856
1857 if ((pptr = strchr(packet, '\"')) != NULL)
1858 {
1859 /*
1860 * Have extended information; can't use sscanf for it because not all
1861 * sscanf's allow empty strings with %[^\"]...
1862 */
1863
1864 for (i = 0, pptr ++;
1865 i < (sizeof(location) - 1) && *pptr && *pptr != '\"';
1866 i ++, pptr ++)
1867 location[i] = *pptr;
1868
1869 if (i)
1870 location[i] = '\0';
1871
1872 if (*pptr == '\"')
1873 pptr ++;
1874
1875 while (*pptr && isspace(*pptr & 255))
1876 pptr ++;
1877
1878 if (*pptr == '\"')
1879 {
1880 for (i = 0, pptr ++;
1881 i < (sizeof(info) - 1) && *pptr && *pptr != '\"';
1882 i ++, pptr ++)
1883 info[i] = *pptr;
1884
1885 info[i] = '\0';
1886
1887 if (*pptr == '\"')
1888 pptr ++;
1889
1890 while (*pptr && isspace(*pptr & 255))
1891 pptr ++;
1892
1893 if (*pptr == '\"')
1894 {
1895 for (i = 0, pptr ++;
1896 i < (sizeof(make_model) - 1) && *pptr && *pptr != '\"';
1897 i ++, pptr ++)
1898 make_model[i] = *pptr;
1899
1900 if (*pptr == '\"')
1901 pptr ++;
1902
1903 make_model[i] = '\0';
1904
1905 if (*pptr)
1906 num_attrs = cupsParseOptions(pptr, num_attrs, &attrs);
1907 }
1908 }
1909 }
1910
1911 DEBUG_puts(packet);
1912 DEBUG_printf(("type=%x, state=%x, uri=\"%s\"\n"
1913 "location=\"%s\", info=\"%s\", make_model=\"%s\"\n",
1914 type, state, uri, location, info, make_model));
1915
1916 /*
1917 * Pull the URI apart to see if this is a local or remote printer...
1918 */
1919
1920 if (is_local_queue(uri, host, sizeof(host), resource, sizeof(resource)))
1921 {
1922 cupsFreeOptions(num_attrs, attrs);
1923 return;
1924 }
1925
1926 /*
1927 * Do relaying...
1928 */
1929
1930 for (i = 0; i < NumRelays; i ++)
1931 if (cupsdCheckAuth(address, srcname, len, 1, &(Relays[i].from)))
1932 if (sendto(BrowseSocket, packet, bytes, 0,
1933 (struct sockaddr *)&(Relays[i].to),
1934 sizeof(http_addr_t)) <= 0)
1935 {
1936 cupsdLogMessage(CUPSD_LOG_ERROR,
1937 "cupsdUpdateCUPSBrowse: sendto failed for relay %d - %s.",
1938 i + 1, strerror(errno));
1939 cupsFreeOptions(num_attrs, attrs);
1940 return;
1941 }
1942
1943 /*
1944 * Process the browse data...
1945 */
1946
1947 process_browse_data(uri, host, resource, (cups_ptype_t)type,
1948 (ipp_pstate_t)state, location, info, make_model,
1949 num_attrs, attrs);
1950 }
1951
1952
1953 #ifdef HAVE_OPENLDAP
1954 /*
1955 * 'cupsdUpdateLDAPBrowse()' - Scan for new printers via LDAP...
1956 */
1957
1958 void
1959 cupsdUpdateLDAPBrowse(void)
1960 {
1961 char uri[HTTP_MAX_URI], /* Printer URI */
1962 host[HTTP_MAX_URI], /* Hostname */
1963 resource[HTTP_MAX_URI], /* Resource path */
1964 location[1024], /* Printer location */
1965 info[1024], /* Printer information */
1966 make_model[1024], /* Printer make and model */
1967 **value; /* Holds the returned data from LDAP */
1968 int type; /* Printer type */
1969 int rc; /* LDAP status */
1970 int limit; /* Size limit */
1971 LDAPMessage *res, /* LDAP search results */
1972 *e; /* Current entry from search */
1973
1974
1975 /*
1976 * Search for printers...
1977 */
1978
1979 cupsdLogMessage(CUPSD_LOG_DEBUG2, "UpdateLDAPBrowse: %s", ServerName);
1980
1981 BrowseLDAPRefresh = time(NULL) + BrowseInterval;
1982
1983 rc = ldap_search_s(BrowseLDAPHandle, BrowseLDAPDN, LDAP_SCOPE_SUBTREE,
1984 "(objectclass=cupsPrinter)", (char **)ldap_attrs, 0, &res);
1985 if (rc != LDAP_SUCCESS)
1986 {
1987 cupsdLogMessage(CUPSD_LOG_ERROR,
1988 "LDAP search returned error %d: %s", rc,
1989 ldap_err2string(rc));
1990 return;
1991 }
1992
1993 limit = ldap_count_entries(BrowseLDAPHandle, res);
1994 cupsdLogMessage(CUPSD_LOG_DEBUG2, "LDAP search returned %d entries", limit);
1995 if (limit < 1)
1996 return;
1997
1998 /*
1999 * Loop through the available printers...
2000 */
2001
2002 if ((e = ldap_first_entry(BrowseLDAPHandle, res)) == NULL)
2003 {
2004 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to get LDAP printer entry!");
2005 return;
2006 }
2007
2008 while (e)
2009 {
2010 value = ldap_get_values(BrowseLDAPHandle, e, "printerDescription");
2011 strlcpy(info, *value, sizeof(info));
2012 ldap_value_free(value);
2013
2014 value = ldap_get_values(BrowseLDAPHandle, e, "printerLocation");
2015 strlcpy(location, *value, sizeof(location));
2016 ldap_value_free(value);
2017
2018 value = ldap_get_values(BrowseLDAPHandle, e, "printerMakeAndModel");
2019 strlcpy(make_model, *value, sizeof(make_model));
2020 ldap_value_free(value);
2021
2022 value = ldap_get_values(BrowseLDAPHandle, e, "printerType");
2023 type = atoi(*value);
2024 ldap_value_free(value);
2025
2026 value = ldap_get_values(BrowseLDAPHandle, e, "printerURI");
2027 strlcpy(uri, *value, sizeof(uri));
2028 ldap_value_free(value);
2029
2030 if (!is_local_queue(uri, host, sizeof(host), resource, sizeof(resource)))
2031 process_browse_data(uri, host, resource, type, IPP_PRINTER_IDLE,
2032 location, info, make_model, 0, NULL);
2033
2034 e = ldap_next_entry(BrowseLDAPHandle, e);
2035 }
2036 }
2037 #endif /* HAVE_OPENLDAP */
2038
2039
2040 /*
2041 * 'cupsdUpdatePolling()' - Read status messages from the poll daemons.
2042 */
2043
2044 void
2045 cupsdUpdatePolling(void)
2046 {
2047 char *ptr, /* Pointer to end of line in buffer */
2048 message[1024]; /* Pointer to message text */
2049 int loglevel; /* Log level for message */
2050
2051
2052 while ((ptr = cupsdStatBufUpdate(PollStatusBuffer, &loglevel,
2053 message, sizeof(message))) != NULL)
2054 if (!strchr(PollStatusBuffer->buffer, '\n'))
2055 break;
2056
2057 if (ptr == NULL)
2058 {
2059 /*
2060 * All polling processes have died; stop polling...
2061 */
2062
2063 cupsdLogMessage(CUPSD_LOG_ERROR,
2064 "cupsdUpdatePolling: all polling processes have exited!");
2065 cupsdStopPolling();
2066 }
2067 }
2068
2069
2070 #ifdef HAVE_LIBSLP
2071 /*
2072 * 'cupsdUpdateSLPBrowse()' - Get browsing information via SLP.
2073 */
2074
2075 void
2076 cupsdUpdateSLPBrowse(void)
2077 {
2078 slpsrvurl_t *s, /* Temporary list of service URLs */
2079 *next; /* Next service in list */
2080 cupsd_printer_t p; /* Printer information */
2081 const char *uri; /* Pointer to printer URI */
2082 char host[HTTP_MAX_URI], /* Host portion of URI */
2083 resource[HTTP_MAX_URI]; /* Resource portion of URI */
2084
2085
2086 /*
2087 * Reset the refresh time...
2088 */
2089
2090 BrowseSLPRefresh = time(NULL) + BrowseInterval;
2091
2092 /*
2093 * Poll for remote printers using SLP...
2094 */
2095
2096 s = NULL;
2097
2098 SLPFindSrvs(BrowseSLPHandle, SLP_CUPS_SRVTYPE, "", "",
2099 slp_url_callback, &s);
2100
2101 /*
2102 * Loop through the list of available printers...
2103 */
2104
2105 for (; s; s = next)
2106 {
2107 /*
2108 * Save the "next" pointer...
2109 */
2110
2111 next = s->next;
2112
2113 /*
2114 * Load a cupsd_printer_t structure with the SLP service attributes...
2115 */
2116
2117 SLPFindAttrs(BrowseSLPHandle, s->url, "", "", slp_attr_callback, &p);
2118
2119 /*
2120 * Process this printer entry...
2121 */
2122
2123 uri = s->url + SLP_CUPS_SRVLEN + 1;
2124
2125 if (!strncmp(uri, "http://", 7) || !strncmp(uri, "ipp://", 6))
2126 {
2127 /*
2128 * Pull the URI apart to see if this is a local or remote printer...
2129 */
2130
2131 if (!is_local_queue(uri, host, sizeof(host), resource, sizeof(resource)))
2132 process_browse_data(uri, host, resource, p.type, IPP_PRINTER_IDLE,
2133 p.location, p.info, p.make_model, 0, NULL);
2134 }
2135
2136 /*
2137 * Free this listing...
2138 */
2139
2140 cupsdClearString(&p.info);
2141 cupsdClearString(&p.location);
2142 cupsdClearString(&p.make_model);
2143
2144 free(s);
2145 }
2146 }
2147 #endif /* HAVE_LIBSLP */
2148
2149
2150 /*
2151 * 'dequote()' - Remote quotes from a string.
2152 */
2153
2154 static char * /* O - Dequoted string */
2155 dequote(char *d, /* I - Destination string */
2156 const char *s, /* I - Source string */
2157 int dlen) /* I - Destination length */
2158 {
2159 char *dptr; /* Pointer into destination */
2160
2161
2162 if (s)
2163 {
2164 for (dptr = d, dlen --; *s && dlen > 0; s ++)
2165 if (*s != '\"')
2166 {
2167 *dptr++ = *s;
2168 dlen --;
2169 }
2170
2171 *dptr = '\0';
2172 }
2173 else
2174 *d = '\0';
2175
2176 return (d);
2177 }
2178
2179
2180 /*
2181 * 'is_local_queue()' - Determine whether the URI points at a local queue.
2182 */
2183
2184 static int /* O - 1 = local, 0 = remote, -1 = bad URI */
2185 is_local_queue(const char *uri, /* I - Printer URI */
2186 char *host, /* O - Host string */
2187 int hostlen, /* I - Length of host buffer */
2188 char *resource, /* O - Resource string */
2189 int resourcelen) /* I - Length of resource buffer */
2190 {
2191 char scheme[32], /* Scheme portion of URI */
2192 username[HTTP_MAX_URI]; /* Username portion of URI */
2193 int port; /* Port portion of URI */
2194 cupsd_netif_t *iface; /* Network interface */
2195
2196
2197 /*
2198 * Pull the URI apart to see if this is a local or remote printer...
2199 */
2200
2201 if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, sizeof(scheme),
2202 username, sizeof(username), host, hostlen, &port,
2203 resource, resourcelen) < HTTP_URI_OK)
2204 return (-1);
2205
2206 DEBUG_printf(("host=\"%s\", ServerName=\"%s\"\n", host, ServerName));
2207
2208 /*
2209 * Check for local server addresses...
2210 */
2211
2212 if (!strcasecmp(host, ServerName) && port == LocalPort)
2213 return (1);
2214
2215 cupsdNetIFUpdate();
2216
2217 for (iface = (cupsd_netif_t *)cupsArrayFirst(NetIFList);
2218 iface;
2219 iface = (cupsd_netif_t *)cupsArrayNext(NetIFList))
2220 if (!strcasecmp(host, iface->hostname) && port == iface->port)
2221 return (1);
2222
2223 /*
2224 * If we get here, the printer is remote...
2225 */
2226
2227 return (0);
2228 }
2229
2230
2231 /*
2232 * 'process_browse_data()' - Process new browse data.
2233 */
2234
2235 static void
2236 process_browse_data(
2237 const char *uri, /* I - URI of printer/class */
2238 const char *host, /* I - Hostname */
2239 const char *resource, /* I - Resource path */
2240 cups_ptype_t type, /* I - Printer type */
2241 ipp_pstate_t state, /* I - Printer state */
2242 const char *location, /* I - Printer location */
2243 const char *info, /* I - Printer information */
2244 const char *make_model, /* I - Printer make and model */
2245 int num_attrs, /* I - Number of attributes */
2246 cups_option_t *attrs) /* I - Attributes */
2247 {
2248 int i; /* Looping var */
2249 int update; /* Update printer attributes? */
2250 char finaluri[HTTP_MAX_URI], /* Final URI for printer */
2251 name[IPP_MAX_NAME], /* Name of printer */
2252 newname[IPP_MAX_NAME], /* New name of printer */
2253 *hptr, /* Pointer into hostname */
2254 *sptr; /* Pointer into ServerName */
2255 char local_make_model[IPP_MAX_NAME];
2256 /* Local make and model */
2257 cupsd_printer_t *p; /* Printer information */
2258 const char *ipp_options, /* ipp-options value */
2259 *lease_duration; /* lease-duration value */
2260
2261
2262 /*
2263 * Determine if the URI contains any illegal characters in it...
2264 */
2265
2266 if (strncmp(uri, "ipp://", 6) || !host[0] ||
2267 (strncmp(resource, "/printers/", 10) &&
2268 strncmp(resource, "/classes/", 9)))
2269 {
2270 cupsdLogMessage(CUPSD_LOG_ERROR,
2271 "process_browse_data: Bad printer URI in browse data: %s",
2272 uri);
2273 return;
2274 }
2275
2276 if (strchr(resource, '?') ||
2277 (!strncmp(resource, "/printers/", 10) && strchr(resource + 10, '/')) ||
2278 (!strncmp(resource, "/classes/", 9) && strchr(resource + 9, '/')))
2279 {
2280 cupsdLogMessage(CUPSD_LOG_ERROR,
2281 "process_browse_data: Bad resource in browse data: %s",
2282 resource);
2283 return;
2284 }
2285
2286 /*
2287 * OK, this isn't a local printer; add any remote options...
2288 */
2289
2290 ipp_options = cupsGetOption("ipp-options", num_attrs, attrs);
2291
2292 if (BrowseRemoteOptions)
2293 {
2294 if (BrowseRemoteOptions[0] == '?')
2295 {
2296 /*
2297 * Override server-supplied options...
2298 */
2299
2300 snprintf(finaluri, sizeof(finaluri), "%s%s", uri, BrowseRemoteOptions);
2301 }
2302 else if (ipp_options)
2303 {
2304 /*
2305 * Combine the server and local options...
2306 */
2307
2308 snprintf(finaluri, sizeof(finaluri), "%s?%s+%s", uri, ipp_options,
2309 BrowseRemoteOptions);
2310 }
2311 else
2312 {
2313 /*
2314 * Just use the local options...
2315 */
2316
2317 snprintf(finaluri, sizeof(finaluri), "%s?%s", uri, BrowseRemoteOptions);
2318 }
2319
2320 uri = finaluri;
2321 }
2322 else if (ipp_options)
2323 {
2324 /*
2325 * Just use the server-supplied options...
2326 */
2327
2328 snprintf(finaluri, sizeof(finaluri), "%s?%s", uri, ipp_options);
2329 uri = finaluri;
2330 }
2331
2332 /*
2333 * See if we already have it listed in the Printers list, and add it if not...
2334 */
2335
2336 type |= CUPS_PRINTER_REMOTE;
2337 type &= ~CUPS_PRINTER_IMPLICIT;
2338 update = 0;
2339 hptr = strchr(host, '.');
2340 sptr = strchr(ServerName, '.');
2341
2342 if (sptr != NULL && hptr != NULL)
2343 {
2344 /*
2345 * Strip the common domain name components...
2346 */
2347
2348 while (hptr != NULL)
2349 {
2350 if (!strcasecmp(hptr, sptr))
2351 {
2352 *hptr = '\0';
2353 break;
2354 }
2355 else
2356 hptr = strchr(hptr + 1, '.');
2357 }
2358 }
2359
2360 if (type & CUPS_PRINTER_CLASS)
2361 {
2362 /*
2363 * Remote destination is a class...
2364 */
2365
2366 if (!strncmp(resource, "/classes/", 9))
2367 snprintf(name, sizeof(name), "%s@%s", resource + 9, host);
2368 else
2369 return;
2370
2371 if ((p = cupsdFindClass(name)) == NULL && BrowseShortNames)
2372 {
2373 if ((p = cupsdFindClass(resource + 9)) != NULL)
2374 {
2375 if (p->hostname && strcasecmp(p->hostname, host))
2376 {
2377 /*
2378 * Nope, this isn't the same host; if the hostname isn't the local host,
2379 * add it to the other class and then find a class using the full host
2380 * name...
2381 */
2382
2383 if (p->type & CUPS_PRINTER_REMOTE)
2384 {
2385 cupsdLogMessage(CUPSD_LOG_INFO,
2386 "Renamed remote class \"%s\" to \"%s@%s\"...",
2387 p->name, p->name, p->hostname);
2388 cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
2389 "Class \'%s\' deleted by directory services.",
2390 p->name);
2391
2392 snprintf(newname, sizeof(newname), "%s@%s", p->name, p->hostname);
2393 cupsdRenamePrinter(p, newname);
2394
2395 cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
2396 "Class \'%s\' added by directory services.",
2397 p->name);
2398 }
2399
2400 p = NULL;
2401 }
2402 else if (!p->hostname)
2403 {
2404 /*
2405 * Hostname not set, so this must be a cached remote printer
2406 * that was created for a pending print job...
2407 */
2408
2409 cupsdSetString(&p->hostname, host);
2410 cupsdSetString(&p->uri, uri);
2411 cupsdSetString(&p->device_uri, uri);
2412 update = 1;
2413 }
2414 }
2415 else
2416 {
2417 /*
2418 * Use the short name for this shared class.
2419 */
2420
2421 strlcpy(name, resource + 9, sizeof(name));
2422 }
2423 }
2424 else if (p && !p->hostname)
2425 {
2426 /*
2427 * Hostname not set, so this must be a cached remote printer
2428 * that was created for a pending print job...
2429 */
2430
2431 cupsdSetString(&p->hostname, host);
2432 cupsdSetString(&p->uri, uri);
2433 cupsdSetString(&p->device_uri, uri);
2434 update = 1;
2435 }
2436
2437 if (!p)
2438 {
2439 /*
2440 * Class doesn't exist; add it...
2441 */
2442
2443 p = cupsdAddClass(name);
2444
2445 cupsdLogMessage(CUPSD_LOG_INFO, "Added remote class \"%s\"...", name);
2446
2447 cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
2448 "Class \'%s\' added by directory services.", name);
2449
2450 /*
2451 * Force the URI to point to the real server...
2452 */
2453
2454 p->type = type & ~CUPS_PRINTER_REJECTING;
2455 p->accepting = 1;
2456 cupsdSetString(&p->uri, uri);
2457 cupsdSetString(&p->device_uri, uri);
2458 cupsdSetString(&p->hostname, host);
2459
2460 update = 1;
2461 }
2462 }
2463 else
2464 {
2465 /*
2466 * Remote destination is a printer...
2467 */
2468
2469 if (!strncmp(resource, "/printers/", 10))
2470 snprintf(name, sizeof(name), "%s@%s", resource + 10, host);
2471 else
2472 return;
2473
2474 if ((p = cupsdFindPrinter(name)) == NULL && BrowseShortNames)
2475 {
2476 if ((p = cupsdFindPrinter(resource + 10)) != NULL)
2477 {
2478 if (p->hostname && strcasecmp(p->hostname, host))
2479 {
2480 /*
2481 * Nope, this isn't the same host; if the hostname isn't the local host,
2482 * add it to the other printer and then find a printer using the full host
2483 * name...
2484 */
2485
2486 if (p->type & CUPS_PRINTER_REMOTE)
2487 {
2488 cupsdLogMessage(CUPSD_LOG_INFO,
2489 "Renamed remote printer \"%s\" to \"%s@%s\"...",
2490 p->name, p->name, p->hostname);
2491 cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
2492 "Printer \'%s\' deleted by directory services.",
2493 p->name);
2494
2495 snprintf(newname, sizeof(newname), "%s@%s", p->name, p->hostname);
2496 cupsdRenamePrinter(p, newname);
2497
2498 cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
2499 "Printer \'%s\' added by directory services.",
2500 p->name);
2501 }
2502
2503 p = NULL;
2504 }
2505 else if (!p->hostname)
2506 {
2507 /*
2508 * Hostname not set, so this must be a cached remote printer
2509 * that was created for a pending print job...
2510 */
2511
2512 cupsdSetString(&p->hostname, host);
2513 cupsdSetString(&p->uri, uri);
2514 cupsdSetString(&p->device_uri, uri);
2515 update = 1;
2516 }
2517 }
2518 else
2519 {
2520 /*
2521 * Use the short name for this shared printer.
2522 */
2523
2524 strlcpy(name, resource + 10, sizeof(name));
2525 }
2526 }
2527 else if (p && !p->hostname)
2528 {
2529 /*
2530 * Hostname not set, so this must be a cached remote printer
2531 * that was created for a pending print job...
2532 */
2533
2534 cupsdSetString(&p->hostname, host);
2535 cupsdSetString(&p->uri, uri);
2536 cupsdSetString(&p->device_uri, uri);
2537 update = 1;
2538 }
2539
2540 if (!p)
2541 {
2542 /*
2543 * Printer doesn't exist; add it...
2544 */
2545
2546 p = cupsdAddPrinter(name);
2547
2548 cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
2549 "Printer \'%s\' added by directory services.", name);
2550
2551 cupsdLogMessage(CUPSD_LOG_INFO, "Added remote printer \"%s\"...", name);
2552
2553 /*
2554 * Force the URI to point to the real server...
2555 */
2556
2557 p->type = type & ~CUPS_PRINTER_REJECTING;
2558 p->accepting = 1;
2559 cupsdSetString(&p->hostname, host);
2560 cupsdSetString(&p->uri, uri);
2561 cupsdSetString(&p->device_uri, uri);
2562
2563 update = 1;
2564 }
2565 }
2566
2567 /*
2568 * Update the state...
2569 */
2570
2571 p->state = state;
2572 p->browse_time = time(NULL);
2573
2574 if ((lease_duration = cupsGetOption("lease-duration", num_attrs,
2575 attrs)) != NULL)
2576 {
2577 /*
2578 * Grab the lease-duration for the browse data; anything less then 1
2579 * second or more than 1 week gets the default BrowseTimeout...
2580 */
2581
2582 i = atoi(lease_duration);
2583 if (i < 1 || i > 604800)
2584 i = BrowseTimeout;
2585
2586 p->browse_expire = p->browse_time + i;
2587 }
2588 else
2589 p->browse_expire = p->browse_time + BrowseTimeout;
2590
2591 if (type & CUPS_PRINTER_REJECTING)
2592 {
2593 type &= ~CUPS_PRINTER_REJECTING;
2594
2595 if (p->accepting)
2596 {
2597 update = 1;
2598 p->accepting = 0;
2599 }
2600 }
2601 else if (!p->accepting)
2602 {
2603 update = 1;
2604 p->accepting = 1;
2605 }
2606
2607 if (p->type != type)
2608 {
2609 p->type = type;
2610 update = 1;
2611 }
2612
2613 if (location && (!p->location || strcmp(p->location, location)))
2614 {
2615 cupsdSetString(&p->location, location);
2616 update = 1;
2617 }
2618
2619 if (info && (!p->info || strcmp(p->info, info)))
2620 {
2621 cupsdSetString(&p->info, info);
2622 update = 1;
2623 }
2624
2625 if (!make_model || !make_model[0])
2626 {
2627 if (type & CUPS_PRINTER_CLASS)
2628 snprintf(local_make_model, sizeof(local_make_model),
2629 "Remote Class on %s", host);
2630 else
2631 snprintf(local_make_model, sizeof(local_make_model),
2632 "Remote Printer on %s", host);
2633 }
2634 else
2635 snprintf(local_make_model, sizeof(local_make_model),
2636 "%s on %s", make_model, host);
2637
2638 if (!p->make_model || strcmp(p->make_model, local_make_model))
2639 {
2640 cupsdSetString(&p->make_model, local_make_model);
2641 update = 1;
2642 }
2643
2644 if (p->num_options)
2645 {
2646 if (!update && !(type & CUPS_PRINTER_DELETE))
2647 {
2648 /*
2649 * See if we need to update the attributes...
2650 */
2651
2652 if (p->num_options != num_attrs)
2653 update = 1;
2654 else
2655 {
2656 for (i = 0; i < num_attrs; i ++)
2657 if (strcmp(attrs[i].name, p->options[i].name) ||
2658 (!attrs[i].value != !p->options[i].value) ||
2659 (attrs[i].value && strcmp(attrs[i].value, p->options[i].value)))
2660 {
2661 update = 1;
2662 break;
2663 }
2664 }
2665 }
2666
2667 /*
2668 * Free the old options...
2669 */
2670
2671 cupsFreeOptions(p->num_options, p->options);
2672 }
2673
2674 p->num_options = num_attrs;
2675 p->options = attrs;
2676
2677 if (type & CUPS_PRINTER_DELETE)
2678 {
2679 cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
2680 "%s \'%s\' deleted by directory services.",
2681 (type & CUPS_PRINTER_CLASS) ? "Class" : "Printer", p->name);
2682
2683 cupsdExpireSubscriptions(p, NULL);
2684
2685 cupsdDeletePrinter(p, 1);
2686 cupsdUpdateImplicitClasses();
2687 }
2688 else if (update)
2689 {
2690 cupsdSetPrinterAttrs(p);
2691 cupsdUpdateImplicitClasses();
2692 }
2693
2694 /*
2695 * See if we have a default printer... If not, make the first network
2696 * default printer the default.
2697 */
2698
2699 if (DefaultPrinter == NULL && Printers != NULL && UseNetworkDefault)
2700 {
2701 /*
2702 * Find the first network default printer and use it...
2703 */
2704
2705 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
2706 p;
2707 p = (cupsd_printer_t *)cupsArrayNext(Printers))
2708 if (p->type & CUPS_PRINTER_DEFAULT)
2709 {
2710 DefaultPrinter = p;
2711 break;
2712 }
2713 }
2714
2715 /*
2716 * Do auto-classing if needed...
2717 */
2718
2719 process_implicit_classes();
2720
2721 /*
2722 * Update the printcap file...
2723 */
2724
2725 cupsdWritePrintcap();
2726 }
2727
2728
2729 /*
2730 * 'process_implicit_classes()' - Create/update implicit classes as needed.
2731 */
2732
2733 static void
2734 process_implicit_classes(void)
2735 {
2736 int i; /* Looping var */
2737 int update; /* Update printer attributes? */
2738 char name[IPP_MAX_NAME], /* Name of printer */
2739 *hptr; /* Pointer into hostname */
2740 cupsd_printer_t *p, /* Printer information */
2741 *pclass, /* Printer class */
2742 *first; /* First printer in class */
2743 int offset, /* Offset of name */
2744 len; /* Length of name */
2745
2746
2747 if (!ImplicitClasses || !Printers)
2748 return;
2749
2750 /*
2751 * Loop through all available printers and create classes as needed...
2752 */
2753
2754 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers), len = 0, offset = 0,
2755 update = 0, pclass = NULL, first = NULL;
2756 p != NULL;
2757 p = (cupsd_printer_t *)cupsArrayNext(Printers))
2758 {
2759 /*
2760 * Skip implicit classes...
2761 */
2762
2763 if (p->type & CUPS_PRINTER_IMPLICIT)
2764 {
2765 len = 0;
2766 continue;
2767 }
2768
2769 /*
2770 * If len == 0, get the length of this printer name up to the "@"
2771 * sign (if any).
2772 */
2773
2774 cupsArraySave(Printers);
2775
2776 if (len > 0 &&
2777 !strncasecmp(p->name, name + offset, len) &&
2778 (p->name[len] == '\0' || p->name[len] == '@'))
2779 {
2780 /*
2781 * We have more than one printer with the same name; see if
2782 * we have a class, and if this printer is a member...
2783 */
2784
2785 if (pclass && strcasecmp(pclass->name, name))
2786 {
2787 if (update)
2788 cupsdSetPrinterAttrs(pclass);
2789
2790 update = 0;
2791 pclass = NULL;
2792 }
2793
2794 if (!pclass && (pclass = cupsdFindDest(name)) == NULL)
2795 {
2796 /*
2797 * Need to add the class...
2798 */
2799
2800 pclass = cupsdAddPrinter(name);
2801 cupsArrayAdd(ImplicitPrinters, pclass);
2802
2803 pclass->type |= CUPS_PRINTER_IMPLICIT;
2804 pclass->accepting = 1;
2805 pclass->state = IPP_PRINTER_IDLE;
2806
2807 cupsdSetString(&pclass->location, p->location);
2808 cupsdSetString(&pclass->info, p->info);
2809
2810 update = 1;
2811
2812 cupsdLogMessage(CUPSD_LOG_INFO, "Added implicit class \"%s\"...",
2813 name);
2814 cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
2815 "Implicit class \'%s\' added by directory services.",
2816 name);
2817 }
2818
2819 if (first != NULL)
2820 {
2821 for (i = 0; i < pclass->num_printers; i ++)
2822 if (pclass->printers[i] == first)
2823 break;
2824
2825 if (i >= pclass->num_printers)
2826 {
2827 first->in_implicit_class = 1;
2828 cupsdAddPrinterToClass(pclass, first);
2829 }
2830
2831 first = NULL;
2832 }
2833
2834 for (i = 0; i < pclass->num_printers; i ++)
2835 if (pclass->printers[i] == p)
2836 break;
2837
2838 if (i >= pclass->num_printers)
2839 {
2840 p->in_implicit_class = 1;
2841 cupsdAddPrinterToClass(pclass, p);
2842 update = 1;
2843 }
2844 }
2845 else
2846 {
2847 /*
2848 * First time around; just get name length and mark it as first
2849 * in the list...
2850 */
2851
2852 if ((hptr = strchr(p->name, '@')) != NULL)
2853 len = hptr - p->name;
2854 else
2855 len = strlen(p->name);
2856
2857 strncpy(name, p->name, len);
2858 name[len] = '\0';
2859 offset = 0;
2860
2861 if ((first = (hptr ? cupsdFindDest(name) : p)) != NULL &&
2862 !(first->type & CUPS_PRINTER_IMPLICIT))
2863 {
2864 /*
2865 * Can't use same name as a local printer; add "Any" to the
2866 * front of the name, unless we have explicitly disabled
2867 * the "ImplicitAnyClasses"...
2868 */
2869
2870 if (ImplicitAnyClasses && len < (sizeof(name) - 4))
2871 {
2872 /*
2873 * Add "Any" to the class name...
2874 */
2875
2876 strcpy(name, "Any");
2877 strncpy(name + 3, p->name, len);
2878 name[len + 3] = '\0';
2879 offset = 3;
2880 }
2881 else
2882 {
2883 /*
2884 * Don't create an implicit class if we have a local printer
2885 * with the same name...
2886 */
2887
2888 len = 0;
2889 cupsArrayRestore(Printers);
2890 continue;
2891 }
2892 }
2893
2894 first = p;
2895 }
2896
2897 cupsArrayRestore(Printers);
2898 }
2899
2900 /*
2901 * Update the last printer class as needed...
2902 */
2903
2904 if (pclass && update)
2905 cupsdSetPrinterAttrs(pclass);
2906 }
2907
2908
2909 #ifdef HAVE_LIBSLP
2910 /*
2911 * 'slp_attr_callback()' - SLP attribute callback
2912 */
2913
2914 static SLPBoolean /* O - SLP_TRUE for success */
2915 slp_attr_callback(
2916 SLPHandle hslp, /* I - SLP handle */
2917 const char *attrlist, /* I - Attribute list */
2918 SLPError errcode, /* I - Parsing status for this attr */
2919 void *cookie) /* I - Current printer */
2920 {
2921 char *tmp = 0; /* Temporary string */
2922 cupsd_printer_t *p = (cupsd_printer_t*)cookie;
2923 /* Current printer */
2924
2925
2926 (void)hslp; /* anti-compiler-warning-code */
2927
2928 /*
2929 * Bail if there was an error
2930 */
2931
2932 if (errcode != SLP_OK)
2933 return (SLP_TRUE);
2934
2935 /*
2936 * Parse the attrlist to obtain things needed to build CUPS browse packet
2937 */
2938
2939 memset(p, 0, sizeof(cupsd_printer_t));
2940
2941 if (slp_get_attr(attrlist, "(printer-location=", &(p->location)))
2942 return (SLP_FALSE);
2943 if (slp_get_attr(attrlist, "(printer-info=", &(p->info)))
2944 return (SLP_FALSE);
2945 if (slp_get_attr(attrlist, "(printer-make-and-model=", &(p->make_model)))
2946 return (SLP_FALSE);
2947 if (!slp_get_attr(attrlist, "(printer-type=", &tmp))
2948 p->type = atoi(tmp);
2949 else
2950 p->type = CUPS_PRINTER_REMOTE;
2951
2952 cupsdClearString(&tmp);
2953
2954 return (SLP_TRUE);
2955 }
2956
2957
2958 /*
2959 * 'slp_dereg_printer()' - SLPDereg() the specified printer
2960 */
2961
2962 static void
2963 slp_dereg_printer(cupsd_printer_t *p) /* I - Printer */
2964 {
2965 char srvurl[HTTP_MAX_URI]; /* Printer service URI */
2966
2967
2968 cupsdLogMessage(CUPSD_LOG_DEBUG, "slp_dereg_printer: printer=\"%s\"", p->name);
2969
2970 if (!(p->type & CUPS_PRINTER_REMOTE))
2971 {
2972 /*
2973 * Make the SLP service URL that conforms to the IANA
2974 * 'printer:' template.
2975 */
2976
2977 snprintf(srvurl, sizeof(srvurl), SLP_CUPS_SRVTYPE ":%s", p->uri);
2978
2979 /*
2980 * Deregister the printer...
2981 */
2982
2983 SLPDereg(BrowseSLPHandle, srvurl, slp_reg_callback, 0);
2984 }
2985 }
2986
2987
2988 /*
2989 * 'slp_get_attr()' - Get an attribute from an SLP registration.
2990 */
2991
2992 static int /* O - 0 on success */
2993 slp_get_attr(const char *attrlist, /* I - Attribute list string */
2994 const char *tag, /* I - Name of attribute */
2995 char **valbuf) /* O - Value */
2996 {
2997 char *ptr1, /* Pointer into string */
2998 *ptr2; /* ... */
2999
3000
3001 cupsdClearString(valbuf);
3002
3003 if ((ptr1 = strstr(attrlist, tag)) != NULL)
3004 {
3005 ptr1 += strlen(tag);
3006
3007 if ((ptr2 = strchr(ptr1,')')) != NULL)
3008 {
3009 /*
3010 * Copy the value...
3011 */
3012
3013 *valbuf = calloc(ptr2 - ptr1 + 1, 1);
3014 strncpy(*valbuf, ptr1, ptr2 - ptr1);
3015
3016 /*
3017 * Dequote the value...
3018 */
3019
3020 for (ptr1 = *valbuf; *ptr1; ptr1 ++)
3021 if (*ptr1 == '\\' && ptr1[1])
3022 _cups_strcpy(ptr1, ptr1 + 1);
3023
3024 return (0);
3025 }
3026 }
3027
3028 return (-1);
3029 }
3030
3031
3032 /*
3033 * 'slp_reg_callback()' - Empty SLPRegReport.
3034 */
3035
3036 static void
3037 slp_reg_callback(SLPHandle hslp, /* I - SLP handle */
3038 SLPError errcode, /* I - Error code, if any */
3039 void *cookie) /* I - App data */
3040 {
3041 (void)hslp;
3042 (void)errcode;
3043 (void)cookie;
3044
3045 return;
3046 }
3047
3048
3049 /*
3050 * 'slp_url_callback()' - SLP service url callback
3051 */
3052
3053 static SLPBoolean /* O - TRUE = OK, FALSE = error */
3054 slp_url_callback(
3055 SLPHandle hslp, /* I - SLP handle */
3056 const char *srvurl, /* I - URL of service */
3057 unsigned short lifetime, /* I - Life of service */
3058 SLPError errcode, /* I - Existing error code */
3059 void *cookie) /* I - Pointer to service list */
3060 {
3061 slpsrvurl_t *s, /* New service entry */
3062 **head; /* Pointer to head of entry */
3063
3064
3065 /*
3066 * Let the compiler know we won't be using these vars...
3067 */
3068
3069 (void)hslp;
3070 (void)lifetime;
3071
3072 /*
3073 * Bail if there was an error
3074 */
3075
3076 if (errcode != SLP_OK)
3077 return (SLP_TRUE);
3078
3079 /*
3080 * Grab the head of the list...
3081 */
3082
3083 head = (slpsrvurl_t**)cookie;
3084
3085 /*
3086 * Allocate a *temporary* slpsrvurl_t to hold this entry.
3087 */
3088
3089 if ((s = (slpsrvurl_t *)calloc(1, sizeof(slpsrvurl_t))) == NULL)
3090 return (SLP_FALSE);
3091
3092 /*
3093 * Copy the SLP service URL...
3094 */
3095
3096 strlcpy(s->url, srvurl, sizeof(s->url));
3097
3098 /*
3099 * Link the SLP service URL into the head of the list
3100 */
3101
3102 if (*head)
3103 s->next = *head;
3104
3105 *head = s;
3106
3107 return (SLP_TRUE);
3108 }
3109 #endif /* HAVE_LIBSLP */
3110
3111
3112 /*
3113 * End of "$Id: dirsvc.c 5178 2006-02-26 00:24:23Z mike $".
3114 */
Unnamed repository; edit this file 'description' to name the repository.