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Merge changes from CUPS 1.5svn-r9352.
[thirdparty/cups.git] / scheduler / dirsvc.c
1 /*
2 * "$Id: dirsvc.c 7933 2008-09-11 00:44:58Z mike $"
3 *
4 * Directory services routines for the CUPS scheduler.
5 *
6 * Copyright 2007-2010 by Apple Inc.
7 * Copyright 1997-2007 by Easy Software Products, all rights reserved.
8 *
9 * These coded instructions, statements, and computer programs are the
10 * property of Apple Inc. and are protected by Federal copyright
11 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
12 * which should have been included with this file. If this file is
13 * file is missing or damaged, see the license at "http://www.cups.org/".
14 *
15 * Contents:
16 *
17 * cupsdDeregisterPrinter() - Stop sending broadcast information for a local
18 * printer and remove any pending references to
19 * remote printers.
20 * cupsdLoadRemoteCache() - Load the remote printer cache.
21 * cupsdRegisterPrinter() - Start sending broadcast information for a
22 * printer or update the broadcast contents.
23 * cupsdRestartPolling() - Restart polling servers as needed.
24 * cupsdSaveRemoteCache() - Save the remote printer cache.
25 * cupsdSendBrowseList() - Send new browsing information as necessary.
26 * ldap_rebind_proc() - Callback function for LDAP rebind
27 * ldap_connect() - Start new LDAP connection
28 * ldap_reconnect() - Reconnect to LDAP Server
29 * ldap_disconnect() - Disconnect from LDAP Server
30 * cupsdStartBrowsing() - Start sending and receiving broadcast
31 * information.
32 * cupsdStartPolling() - Start polling servers as needed.
33 * cupsdStopBrowsing() - Stop sending and receiving broadcast
34 * information.
35 * cupsdStopPolling() - Stop polling servers as needed.
36 * cupsdUpdateDNSSDName() - Update the computer name we use for
37 * browsing...
38 * cupsdUpdateLDAPBrowse() - Scan for new printers via LDAP...
39 * cupsdUpdateSLPBrowse() - Get browsing information via SLP.
40 * dequote() - Remote quotes from a string.
41 * dnssdAddAlias() - Add a DNS-SD alias name.
42 * dnssdBuildTxtRecord() - Build a TXT record from printer info.
43 * dnssdComparePrinters() - Compare the registered names of two printers.
44 * dnssdDeregisterPrinter() - Stop sending broadcast information for a
45 * printer.
46 * dnssdPackTxtRecord() - Pack an array of key/value pairs into the TXT
47 * record format.
48 * dnssdRegisterCallback() - DNSServiceRegister callback.
49 * dnssdRegisterPrinter() - Start sending broadcast information for a
50 * printer or update the broadcast contents.
51 * dnssdStop() - Stop all DNS-SD registrations.
52 * dnssdUpdate() - Handle DNS-SD queries.
53 * get_auth_info_required() - Get the auth-info-required value to advertise.
54 * get_hostconfig() - Get an /etc/hostconfig service setting.
55 * is_local_queue() - Determine whether the URI points at a local
56 * queue.
57 * process_browse_data() - Process new browse data.
58 * process_implicit_classes() - Create/update implicit classes as needed.
59 * send_cups_browse() - Send new browsing information using the CUPS
60 * protocol.
61 * ldap_search_rec() - LDAP Search with reconnect
62 * ldap_freeres() - Free LDAPMessage
63 * ldap_getval_char() - Get first LDAP value and convert to string
64 * send_ldap_ou() - Send LDAP ou registrations.
65 * send_ldap_browse() - Send LDAP printer registrations.
66 * ldap_dereg_printer() - Delete printer from directory
67 * ldap_dereg_ou() - Remove the organizational unit.
68 * send_slp_browse() - Register the specified printer with SLP.
69 * slp_attr_callback() - SLP attribute callback
70 * slp_dereg_printer() - SLPDereg() the specified printer
71 * slp_get_attr() - Get an attribute from an SLP registration.
72 * slp_reg_callback() - Empty SLPRegReport.
73 * slp_url_callback() - SLP service url callback
74 * update_cups_browse() - Update the browse lists using the CUPS
75 * protocol.
76 * update_lpd() - Update the LPD configuration as needed.
77 * update_polling() - Read status messages from the poll daemons.
78 * update_smb() - Update the SMB configuration as needed.
79 */
80
81 /*
82 * Include necessary headers...
83 */
84
85 #include "cupsd.h"
86 #include <grp.h>
87
88 #ifdef HAVE_DNSSD
89 # include <dns_sd.h>
90 # ifdef __APPLE__
91 # include <nameser.h>
92 # ifdef HAVE_COREFOUNDATION
93 # include <CoreFoundation/CoreFoundation.h>
94 # endif /* HAVE_COREFOUNDATION */
95 # ifdef HAVE_SYSTEMCONFIGURATION
96 # include <SystemConfiguration/SystemConfiguration.h>
97 # endif /* HAVE_SYSTEMCONFIGURATION */
98 # endif /* __APPLE__ */
99 #endif /* HAVE_DNSSD */
100
101
102 /*
103 * Local functions...
104 */
105
106 static char *dequote(char *d, const char *s, int dlen);
107 static char *get_auth_info_required(cupsd_printer_t *p, char *buffer,
108 size_t bufsize);
109 #ifdef __APPLE__
110 static int get_hostconfig(const char *name);
111 #endif /* __APPLE__ */
112 static int is_local_queue(const char *uri, char *host, int hostlen,
113 char *resource, int resourcelen);
114 static void process_browse_data(const char *uri, const char *host,
115 const char *resource, cups_ptype_t type,
116 ipp_pstate_t state, const char *location,
117 const char *info, const char *make_model,
118 int num_attrs, cups_option_t *attrs);
119 static void process_implicit_classes(void);
120 static void send_cups_browse(cupsd_printer_t *p);
121 #ifdef HAVE_LDAP
122 static LDAP *ldap_connect(void);
123 static LDAP *ldap_reconnect(void);
124 static void ldap_disconnect(LDAP *ld);
125 static int ldap_search_rec(LDAP *ld, char *base, int scope,
126 char *filter, char *attrs[],
127 int attrsonly, LDAPMessage **res);
128 static int ldap_getval_firststring(LDAP *ld, LDAPMessage *entry,
129 char *attr, char *retval,
130 unsigned long maxsize);
131 static void ldap_freeres(LDAPMessage *entry);
132 static void send_ldap_ou(char *ou, char *basedn, char *descstring);
133 static void send_ldap_browse(cupsd_printer_t *p);
134 static void ldap_dereg_printer(cupsd_printer_t *p);
135 static void ldap_dereg_ou(char *ou, char *basedn);
136 # ifdef HAVE_LDAP_REBIND_PROC
137 # if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
138 static int ldap_rebind_proc(LDAP *RebindLDAPHandle,
139 LDAP_CONST char *refsp,
140 ber_tag_t request,
141 ber_int_t msgid,
142 void *params);
143 # else
144 static int ldap_rebind_proc(LDAP *RebindLDAPHandle,
145 char **dnp,
146 char **passwdp,
147 int *authmethodp,
148 int freeit,
149 void *arg);
150 # endif /* defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) */
151 # endif /* HAVE_LDAP_REBIND_PROC */
152 #endif /* HAVE_LDAP */
153 #ifdef HAVE_LIBSLP
154 static void send_slp_browse(cupsd_printer_t *p);
155 #endif /* HAVE_LIBSLP */
156 static void update_cups_browse(void);
157 static void update_lpd(int onoff);
158 static void update_polling(void);
159 static void update_smb(int onoff);
160
161
162 #ifdef HAVE_DNSSD
163 # ifdef HAVE_COREFOUNDATION
164 static void dnssdAddAlias(const void *key, const void *value,
165 void *context);
166 # endif /* HAVE_COREFOUNDATION */
167 static char *dnssdBuildTxtRecord(int *txt_len, cupsd_printer_t *p,
168 int for_lpd);
169 static int dnssdComparePrinters(cupsd_printer_t *a, cupsd_printer_t *b);
170 static void dnssdDeregisterPrinter(cupsd_printer_t *p);
171 static char *dnssdPackTxtRecord(int *txt_len, char *keyvalue[][2],
172 int count);
173 static void dnssdRegisterCallback(DNSServiceRef sdRef,
174 DNSServiceFlags flags,
175 DNSServiceErrorType errorCode,
176 const char *name, const char *regtype,
177 const char *domain, void *context);
178 static void dnssdRegisterPrinter(cupsd_printer_t *p);
179 static void dnssdStop(void);
180 static void dnssdUpdate(void);
181 #endif /* HAVE_DNSSD */
182
183 #ifdef HAVE_LDAP
184 static const char * const ldap_attrs[] =/* CUPS LDAP attributes */
185 {
186 "printerDescription",
187 "printerLocation",
188 "printerMakeAndModel",
189 "printerType",
190 "printerURI",
191 NULL
192 };
193 #endif /* HAVE_LDAP */
194
195 #ifdef HAVE_LIBSLP
196 /*
197 * SLP definitions...
198 */
199
200 /*
201 * SLP service name for CUPS...
202 */
203
204 # define SLP_CUPS_SRVTYPE "service:printer"
205 # define SLP_CUPS_SRVLEN 15
206
207
208 /*
209 * Printer service URL structure
210 */
211
212 typedef struct _slpsrvurl_s /**** SLP URL list ****/
213 {
214 struct _slpsrvurl_s *next; /* Next URL in list */
215 char url[HTTP_MAX_URI];
216 /* URL */
217 } slpsrvurl_t;
218
219
220 /*
221 * Local functions...
222 */
223
224 static SLPBoolean slp_attr_callback(SLPHandle hslp, const char *attrlist,
225 SLPError errcode, void *cookie);
226 static void slp_dereg_printer(cupsd_printer_t *p);
227 static int slp_get_attr(const char *attrlist, const char *tag,
228 char **valbuf);
229 static void slp_reg_callback(SLPHandle hslp, SLPError errcode,
230 void *cookie);
231 static SLPBoolean slp_url_callback(SLPHandle hslp, const char *srvurl,
232 unsigned short lifetime,
233 SLPError errcode, void *cookie);
234 #endif /* HAVE_LIBSLP */
235
236
237 /*
238 * 'cupsdDeregisterPrinter()' - Stop sending broadcast information for a
239 * local printer and remove any pending
240 * references to remote printers.
241 */
242
243 void
244 cupsdDeregisterPrinter(
245 cupsd_printer_t *p, /* I - Printer to register */
246 int removeit) /* I - Printer being permanently removed */
247 {
248 /*
249 * Only deregister if browsing is enabled and it's a local printer...
250 */
251
252 cupsdLogMessage(CUPSD_LOG_DEBUG,
253 "cupsdDeregisterPrinter(p=%p(%s), removeit=%d)", p, p->name,
254 removeit);
255
256 if (!Browsing || !p->shared ||
257 (p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
258 CUPS_PRINTER_SCANNER)))
259 return;
260
261 /*
262 * Announce the deletion...
263 */
264
265 if ((BrowseLocalProtocols & BROWSE_CUPS) && BrowseSocket >= 0)
266 {
267 cups_ptype_t savedtype = p->type; /* Saved printer type */
268
269 p->type |= CUPS_PRINTER_DELETE;
270
271 send_cups_browse(p);
272
273 p->type = savedtype;
274 }
275
276 #ifdef HAVE_LIBSLP
277 if (BrowseLocalProtocols & BROWSE_SLP)
278 slp_dereg_printer(p);
279 #endif /* HAVE_LIBSLP */
280
281 #ifdef HAVE_LDAP
282 if (BrowseLocalProtocols & BROWSE_LDAP)
283 ldap_dereg_printer(p);
284 #endif /* HAVE_LDAP */
285
286 #ifdef HAVE_DNSSD
287 if (removeit && (BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDRef)
288 dnssdDeregisterPrinter(p);
289 #endif /* HAVE_DNSSD */
290 }
291
292
293 /*
294 * 'cupsdLoadRemoteCache()' - Load the remote printer cache.
295 */
296
297 void
298 cupsdLoadRemoteCache(void)
299 {
300 int i; /* Looping var */
301 cups_file_t *fp; /* remote.cache file */
302 int linenum; /* Current line number */
303 char line[4096], /* Line from file */
304 *value, /* Pointer to value */
305 *valueptr, /* Pointer into value */
306 scheme[32], /* Scheme portion of URI */
307 username[64], /* Username portion of URI */
308 host[HTTP_MAX_HOST],
309 /* Hostname portion of URI */
310 resource[HTTP_MAX_URI];
311 /* Resource portion of URI */
312 int port; /* Port number */
313 cupsd_printer_t *p; /* Current printer */
314 time_t now; /* Current time */
315
316
317 /*
318 * Don't load the cache if the remote protocols are disabled...
319 */
320
321 if (!Browsing)
322 {
323 cupsdLogMessage(CUPSD_LOG_DEBUG,
324 "cupsdLoadRemoteCache: Not loading remote cache.");
325 return;
326 }
327
328 /*
329 * Open the remote.cache file...
330 */
331
332 snprintf(line, sizeof(line), "%s/remote.cache", CacheDir);
333 if ((fp = cupsFileOpen(line, "r")) == NULL)
334 return;
335
336 /*
337 * Read printer configurations until we hit EOF...
338 */
339
340 linenum = 0;
341 p = NULL;
342 now = time(NULL);
343
344 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
345 {
346 /*
347 * Decode the directive...
348 */
349
350 if (!strcasecmp(line, "<Printer") ||
351 !strcasecmp(line, "<DefaultPrinter"))
352 {
353 /*
354 * <Printer name> or <DefaultPrinter name>
355 */
356
357 if (p == NULL && value)
358 {
359 /*
360 * Add the printer and a base file type...
361 */
362
363 cupsdLogMessage(CUPSD_LOG_DEBUG,
364 "cupsdLoadRemoteCache: Loading printer %s...", value);
365
366 if ((p = cupsdFindDest(value)) != NULL)
367 {
368 if (p->type & CUPS_PRINTER_CLASS)
369 {
370 cupsdLogMessage(CUPSD_LOG_WARN,
371 "Cached remote printer \"%s\" conflicts with "
372 "existing class!",
373 value);
374 p = NULL;
375 continue;
376 }
377 }
378 else
379 p = cupsdAddPrinter(value);
380
381 p->accepting = 1;
382 p->state = IPP_PRINTER_IDLE;
383 p->type |= CUPS_PRINTER_REMOTE | CUPS_PRINTER_DISCOVERED;
384 p->browse_time = now;
385 p->browse_expire = now + BrowseTimeout;
386
387 /*
388 * Set the default printer as needed...
389 */
390
391 if (!strcasecmp(line, "<DefaultPrinter"))
392 DefaultPrinter = p;
393 }
394 else
395 {
396 cupsdLogMessage(CUPSD_LOG_ERROR,
397 "Syntax error on line %d of remote.cache.", linenum);
398 break;
399 }
400 }
401 else if (!strcasecmp(line, "<Class") ||
402 !strcasecmp(line, "<DefaultClass"))
403 {
404 /*
405 * <Class name> or <DefaultClass name>
406 */
407
408 if (p == NULL && value)
409 {
410 /*
411 * Add the printer and a base file type...
412 */
413
414 cupsdLogMessage(CUPSD_LOG_DEBUG,
415 "cupsdLoadRemoteCache: Loading class %s...", value);
416
417 if ((p = cupsdFindDest(value)) != NULL)
418 p->type = CUPS_PRINTER_CLASS;
419 else
420 p = cupsdAddClass(value);
421
422 p->accepting = 1;
423 p->state = IPP_PRINTER_IDLE;
424 p->type |= CUPS_PRINTER_REMOTE | CUPS_PRINTER_DISCOVERED;
425 p->browse_time = now;
426 p->browse_expire = now + BrowseTimeout;
427
428 /*
429 * Set the default printer as needed...
430 */
431
432 if (!strcasecmp(line, "<DefaultClass"))
433 DefaultPrinter = p;
434 }
435 else
436 {
437 cupsdLogMessage(CUPSD_LOG_ERROR,
438 "Syntax error on line %d of remote.cache.", linenum);
439 break;
440 }
441 }
442 else if (!strcasecmp(line, "</Printer>") ||
443 !strcasecmp(line, "</Class>"))
444 {
445 if (p != NULL)
446 {
447 /*
448 * Close out the current printer...
449 */
450
451 cupsdSetPrinterAttrs(p);
452
453 p = NULL;
454 }
455 else
456 cupsdLogMessage(CUPSD_LOG_ERROR,
457 "Syntax error on line %d of remote.cache.", linenum);
458 }
459 else if (!p)
460 {
461 cupsdLogMessage(CUPSD_LOG_ERROR,
462 "Syntax error on line %d of remote.cache.", linenum);
463 }
464 else if (!strcasecmp(line, "Info"))
465 {
466 if (value)
467 cupsdSetString(&p->info, value);
468 }
469 else if (!strcasecmp(line, "MakeModel"))
470 {
471 if (value)
472 cupsdSetString(&p->make_model, value);
473 }
474 else if (!strcasecmp(line, "Location"))
475 {
476 if (value)
477 cupsdSetString(&p->location, value);
478 }
479 else if (!strcasecmp(line, "DeviceURI"))
480 {
481 if (value)
482 {
483 httpSeparateURI(HTTP_URI_CODING_ALL, value, scheme, sizeof(scheme),
484 username, sizeof(username), host, sizeof(host), &port,
485 resource, sizeof(resource));
486
487 cupsdSetString(&p->hostname, host);
488 cupsdSetString(&p->uri, value);
489 cupsdSetDeviceURI(p, value);
490 }
491 else
492 cupsdLogMessage(CUPSD_LOG_ERROR,
493 "Syntax error on line %d of remote.cache.", linenum);
494 }
495 else if (!strcasecmp(line, "Option") && value)
496 {
497 /*
498 * Option name value
499 */
500
501 for (valueptr = value; *valueptr && !isspace(*valueptr & 255); valueptr ++);
502
503 if (!*valueptr)
504 cupsdLogMessage(CUPSD_LOG_ERROR,
505 "Syntax error on line %d of remote.cache.", linenum);
506 else
507 {
508 for (; *valueptr && isspace(*valueptr & 255); *valueptr++ = '\0');
509
510 p->num_options = cupsAddOption(value, valueptr, p->num_options,
511 &(p->options));
512 }
513 }
514 else if (!strcasecmp(line, "Reason"))
515 {
516 if (value)
517 {
518 for (i = 0 ; i < p->num_reasons; i ++)
519 if (!strcmp(value, p->reasons[i]))
520 break;
521
522 if (i >= p->num_reasons &&
523 p->num_reasons < (int)(sizeof(p->reasons) / sizeof(p->reasons[0])))
524 {
525 p->reasons[p->num_reasons] = _cupsStrAlloc(value);
526 p->num_reasons ++;
527 }
528 }
529 else
530 cupsdLogMessage(CUPSD_LOG_ERROR,
531 "Syntax error on line %d of remote.cache.", linenum);
532 }
533 else if (!strcasecmp(line, "State"))
534 {
535 /*
536 * Set the initial queue state...
537 */
538
539 if (value && !strcasecmp(value, "idle"))
540 p->state = IPP_PRINTER_IDLE;
541 else if (value && !strcasecmp(value, "stopped"))
542 {
543 p->state = IPP_PRINTER_STOPPED;
544 cupsdSetPrinterReasons(p, "+paused");
545 }
546 else
547 cupsdLogMessage(CUPSD_LOG_ERROR,
548 "Syntax error on line %d of remote.cache.", linenum);
549 }
550 else if (!strcasecmp(line, "StateMessage"))
551 {
552 /*
553 * Set the initial queue state message...
554 */
555
556 if (value)
557 strlcpy(p->state_message, value, sizeof(p->state_message));
558 }
559 else if (!strcasecmp(line, "Accepting"))
560 {
561 /*
562 * Set the initial accepting state...
563 */
564
565 if (value &&
566 (!strcasecmp(value, "yes") ||
567 !strcasecmp(value, "on") ||
568 !strcasecmp(value, "true")))
569 p->accepting = 1;
570 else if (value &&
571 (!strcasecmp(value, "no") ||
572 !strcasecmp(value, "off") ||
573 !strcasecmp(value, "false")))
574 p->accepting = 0;
575 else
576 cupsdLogMessage(CUPSD_LOG_ERROR,
577 "Syntax error on line %d of remote.cache.", linenum);
578 }
579 else if (!strcasecmp(line, "Type"))
580 {
581 if (value)
582 p->type = atoi(value);
583 else
584 cupsdLogMessage(CUPSD_LOG_ERROR,
585 "Syntax error on line %d of remote.cache.", linenum);
586 }
587 else if (!strcasecmp(line, "BrowseTime"))
588 {
589 if (value)
590 {
591 time_t t = atoi(value);
592
593 if (t > p->browse_expire)
594 p->browse_expire = t;
595 }
596 else
597 cupsdLogMessage(CUPSD_LOG_ERROR,
598 "Syntax error on line %d of remote.cache.", linenum);
599 }
600 else if (!strcasecmp(line, "JobSheets"))
601 {
602 /*
603 * Set the initial job sheets...
604 */
605
606 if (value)
607 {
608 for (valueptr = value; *valueptr && !isspace(*valueptr & 255); valueptr ++);
609
610 if (*valueptr)
611 *valueptr++ = '\0';
612
613 cupsdSetString(&p->job_sheets[0], value);
614
615 while (isspace(*valueptr & 255))
616 valueptr ++;
617
618 if (*valueptr)
619 {
620 for (value = valueptr; *valueptr && !isspace(*valueptr & 255); valueptr ++);
621
622 if (*valueptr)
623 *valueptr = '\0';
624
625 cupsdSetString(&p->job_sheets[1], value);
626 }
627 }
628 else
629 cupsdLogMessage(CUPSD_LOG_ERROR,
630 "Syntax error on line %d of remote.cache.", linenum);
631 }
632 else if (!strcasecmp(line, "AllowUser"))
633 {
634 if (value)
635 {
636 p->deny_users = 0;
637 cupsdAddString(&(p->users), value);
638 }
639 else
640 cupsdLogMessage(CUPSD_LOG_ERROR,
641 "Syntax error on line %d of remote.cache.", linenum);
642 }
643 else if (!strcasecmp(line, "DenyUser"))
644 {
645 if (value)
646 {
647 p->deny_users = 1;
648 cupsdAddString(&(p->users), value);
649 }
650 else
651 cupsdLogMessage(CUPSD_LOG_ERROR,
652 "Syntax error on line %d of remote.cache.", linenum);
653 }
654 else
655 {
656 /*
657 * Something else we don't understand...
658 */
659
660 cupsdLogMessage(CUPSD_LOG_ERROR,
661 "Unknown configuration directive %s on line %d of remote.cache.",
662 line, linenum);
663 }
664 }
665
666 cupsFileClose(fp);
667
668 /*
669 * Do auto-classing if needed...
670 */
671
672 process_implicit_classes();
673 }
674
675
676 /*
677 * 'cupsdRegisterPrinter()' - Start sending broadcast information for a
678 * printer or update the broadcast contents.
679 */
680
681 void
682 cupsdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
683 {
684 cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdRegisterPrinter(p=%p(%s))", p,
685 p->name);
686
687 if (!Browsing || !BrowseLocalProtocols ||
688 (p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
689 CUPS_PRINTER_SCANNER)))
690 return;
691
692 #ifdef HAVE_LIBSLP
693 /* if (BrowseLocalProtocols & BROWSE_SLP)
694 slpRegisterPrinter(p); */
695 #endif /* HAVE_LIBSLP */
696
697 #ifdef HAVE_DNSSD
698 if ((BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDRef)
699 dnssdRegisterPrinter(p);
700 #endif /* HAVE_DNSSD */
701 }
702
703
704 /*
705 * 'cupsdRestartPolling()' - Restart polling servers as needed.
706 */
707
708 void
709 cupsdRestartPolling(void)
710 {
711 int i; /* Looping var */
712 cupsd_dirsvc_poll_t *pollp; /* Current polling server */
713
714
715 for (i = 0, pollp = Polled; i < NumPolled; i ++, pollp ++)
716 if (pollp->pid)
717 kill(pollp->pid, SIGHUP);
718 }
719
720
721 /*
722 * 'cupsdSaveRemoteCache()' - Save the remote printer cache.
723 */
724
725 void
726 cupsdSaveRemoteCache(void)
727 {
728 int i; /* Looping var */
729 cups_file_t *fp; /* printers.conf file */
730 char temp[1024], /* Temporary string */
731 value[2048], /* Value string */
732 *name; /* Current user name */
733 cupsd_printer_t *printer; /* Current printer class */
734 time_t curtime; /* Current time */
735 struct tm *curdate; /* Current date */
736 cups_option_t *option; /* Current option */
737
738
739 /*
740 * Create the remote.cache file...
741 */
742
743 snprintf(temp, sizeof(temp), "%s/remote.cache", CacheDir);
744
745 if ((fp = cupsFileOpen(temp, "w")) == NULL)
746 {
747 cupsdLogMessage(CUPSD_LOG_ERROR,
748 "Unable to save remote.cache - %s", strerror(errno));
749 return;
750 }
751 else
752 cupsdLogMessage(CUPSD_LOG_DEBUG, "Saving remote.cache...");
753
754 /*
755 * Restrict access to the file...
756 */
757
758 fchown(cupsFileNumber(fp), getuid(), Group);
759 fchmod(cupsFileNumber(fp), ConfigFilePerm);
760
761 /*
762 * Write a small header to the file...
763 */
764
765 curtime = time(NULL);
766 curdate = localtime(&curtime);
767 strftime(temp, sizeof(temp) - 1, "%Y-%m-%d %H:%M", curdate);
768
769 cupsFilePuts(fp, "# Remote cache file for " CUPS_SVERSION "\n");
770 cupsFilePrintf(fp, "# Written by cupsd on %s\n", temp);
771
772 /*
773 * Write each local printer known to the system...
774 */
775
776 for (printer = (cupsd_printer_t *)cupsArrayFirst(Printers);
777 printer;
778 printer = (cupsd_printer_t *)cupsArrayNext(Printers))
779 {
780 /*
781 * Skip local destinations...
782 */
783
784 if (!(printer->type & CUPS_PRINTER_DISCOVERED))
785 continue;
786
787 /*
788 * Write printers as needed...
789 */
790
791 if (printer == DefaultPrinter)
792 cupsFilePuts(fp, "<Default");
793 else
794 cupsFilePutChar(fp, '<');
795
796 if (printer->type & CUPS_PRINTER_CLASS)
797 cupsFilePrintf(fp, "Class %s>\n", printer->name);
798 else
799 cupsFilePrintf(fp, "Printer %s>\n", printer->name);
800
801 cupsFilePrintf(fp, "BrowseTime %d\n", (int)printer->browse_expire);
802
803 if (printer->info)
804 cupsFilePutConf(fp, "Info", printer->info);
805
806 if (printer->location)
807 cupsFilePutConf(fp, "Location", printer->location);
808
809 if (printer->make_model)
810 cupsFilePutConf(fp, "MakeModel", printer->make_model);
811
812 cupsFilePutConf(fp, "DeviceURI", printer->device_uri);
813
814 if (printer->state == IPP_PRINTER_STOPPED)
815 cupsFilePuts(fp, "State Stopped\n");
816 else
817 cupsFilePuts(fp, "State Idle\n");
818
819 for (i = 0; i < printer->num_reasons; i ++)
820 cupsFilePutConf(fp, "Reason", printer->reasons[i]);
821
822 cupsFilePrintf(fp, "Type %d\n", printer->type);
823
824 if (printer->accepting)
825 cupsFilePuts(fp, "Accepting Yes\n");
826 else
827 cupsFilePuts(fp, "Accepting No\n");
828
829 snprintf(value, sizeof(value), "%s %s", printer->job_sheets[0],
830 printer->job_sheets[1]);
831 cupsFilePutConf(fp, "JobSheets", value);
832
833 for (name = (char *)cupsArrayFirst(printer->users);
834 name;
835 name = (char *)cupsArrayNext(printer->users))
836 cupsFilePutConf(fp, printer->deny_users ? "DenyUser" : "AllowUser", name);
837
838 for (i = printer->num_options, option = printer->options;
839 i > 0;
840 i --, option ++)
841 {
842 snprintf(value, sizeof(value), "%s %s", option->name, option->value);
843 cupsFilePutConf(fp, "Option", value);
844 }
845
846 if (printer->type & CUPS_PRINTER_CLASS)
847 cupsFilePuts(fp, "</Class>\n");
848 else
849 cupsFilePuts(fp, "</Printer>\n");
850 }
851
852 cupsFileClose(fp);
853 }
854
855
856 /*
857 * 'cupsdSendBrowseList()' - Send new browsing information as necessary.
858 */
859
860 void
861 cupsdSendBrowseList(void)
862 {
863 int count; /* Number of dests to update */
864 cupsd_printer_t *p; /* Current printer */
865 time_t ut, /* Minimum update time */
866 to; /* Timeout time */
867
868
869 if (!Browsing || !Printers)
870 return;
871
872 /*
873 * Compute the update and timeout times...
874 */
875
876 to = time(NULL);
877 ut = to - BrowseInterval;
878
879 /*
880 * Figure out how many printers need an update...
881 */
882
883 if (BrowseInterval > 0 && BrowseLocalProtocols)
884 {
885 int max_count; /* Maximum number to update */
886
887
888 /*
889 * Throttle the number of printers we'll be updating this time
890 * around based on the number of queues that need updating and
891 * the maximum number of queues to update each second...
892 */
893
894 max_count = 2 * cupsArrayCount(Printers) / BrowseInterval + 1;
895
896 for (count = 0, p = (cupsd_printer_t *)cupsArrayFirst(Printers);
897 count < max_count && p != NULL;
898 p = (cupsd_printer_t *)cupsArrayNext(Printers))
899 if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
900 CUPS_PRINTER_SCANNER)) &&
901 p->shared && p->browse_time < ut)
902 count ++;
903
904 /*
905 * Loop through all of the printers and send local updates as needed...
906 */
907
908 if (BrowseNext)
909 p = (cupsd_printer_t *)cupsArrayFind(Printers, BrowseNext);
910 else
911 p = (cupsd_printer_t *)cupsArrayFirst(Printers);
912
913 for (;
914 count > 0;
915 p = (cupsd_printer_t *)cupsArrayNext(Printers))
916 {
917 /*
918 * Check for wraparound...
919 */
920
921 if (!p)
922 p = (cupsd_printer_t *)cupsArrayFirst(Printers);
923
924 if (!p)
925 break;
926 else if ((p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
927 CUPS_PRINTER_SCANNER)) ||
928 !p->shared)
929 continue;
930 else if (p->browse_time < ut)
931 {
932 /*
933 * Need to send an update...
934 */
935
936 count --;
937
938 p->browse_time = time(NULL);
939
940 if ((BrowseLocalProtocols & BROWSE_CUPS) && BrowseSocket >= 0)
941 send_cups_browse(p);
942
943 #ifdef HAVE_LIBSLP
944 if (BrowseLocalProtocols & BROWSE_SLP)
945 send_slp_browse(p);
946 #endif /* HAVE_LIBSLP */
947
948 #ifdef HAVE_LDAP
949 if (BrowseLocalProtocols & BROWSE_LDAP)
950 send_ldap_browse(p);
951 #endif /* HAVE_LDAP */
952 }
953 }
954
955 /*
956 * Save where we left off so that all printers get updated...
957 */
958
959 BrowseNext = p;
960 }
961
962 /*
963 * Loop through all of the printers and timeout old printers as needed...
964 */
965
966 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
967 p;
968 p = (cupsd_printer_t *)cupsArrayNext(Printers))
969 {
970 /*
971 * If this is a remote queue, see if it needs to be timed out...
972 */
973
974 if ((p->type & CUPS_PRINTER_DISCOVERED) &&
975 !(p->type & CUPS_PRINTER_IMPLICIT) &&
976 p->browse_expire < to)
977 {
978 cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
979 "%s \'%s\' deleted by directory services (timeout).",
980 (p->type & CUPS_PRINTER_CLASS) ? "Class" : "Printer",
981 p->name);
982
983 cupsdLogMessage(CUPSD_LOG_DEBUG,
984 "Remote destination \"%s\" has timed out; "
985 "deleting it...",
986 p->name);
987
988 cupsArraySave(Printers);
989 cupsdDeletePrinter(p, 1);
990 cupsArrayRestore(Printers);
991 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
992 }
993 }
994 }
995
996
997 #ifdef HAVE_LDAP_REBIND_PROC
998 # if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
999 /*
1000 * 'ldap_rebind_proc()' - Callback function for LDAP rebind
1001 */
1002
1003 static int /* O - Result code */
1004 ldap_rebind_proc(
1005 LDAP *RebindLDAPHandle, /* I - LDAP handle */
1006 LDAP_CONST char *refsp, /* I - ??? */
1007 ber_tag_t request, /* I - ??? */
1008 ber_int_t msgid, /* I - ??? */
1009 void *params) /* I - ??? */
1010 {
1011 int rc; /* Result code */
1012 # if LDAP_API_VERSION > 3000
1013 struct berval bval; /* Bind value */
1014 # endif /* LDAP_API_VERSION > 3000 */
1015
1016 /*
1017 * Bind to new LDAP server...
1018 */
1019
1020 cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_rebind_proc: Rebind to %s", refsp);
1021
1022 # if LDAP_API_VERSION > 3000
1023 bval.bv_val = BrowseLDAPPassword;
1024 bval.bv_len = (BrowseLDAPPassword == NULL) ? 0 : strlen(BrowseLDAPPassword);
1025
1026 rc = ldap_sasl_bind_s(RebindLDAPHandle, BrowseLDAPBindDN, LDAP_SASL_SIMPLE,
1027 &bval, NULL, NULL, NULL);
1028 # else
1029 rc = ldap_bind_s(RebindLDAPHandle, BrowseLDAPBindDN, BrowseLDAPPassword,
1030 LDAP_AUTH_SIMPLE);
1031 # endif /* LDAP_API_VERSION > 3000 */
1032
1033 return (rc);
1034 }
1035
1036
1037 # else /* defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) */
1038 /*
1039 * 'ldap_rebind_proc()' - Callback function for LDAP rebind
1040 */
1041
1042 static int /* O - Result code */
1043 ldap_rebind_proc(
1044 LDAP *RebindLDAPHandle, /* I - LDAP handle */
1045 char **dnp, /* I - ??? */
1046 char **passwdp, /* I - ??? */
1047 int *authmethodp, /* I - ??? */
1048 int freeit, /* I - ??? */
1049 void *arg) /* I - ??? */
1050 {
1051 switch (freeit)
1052 {
1053 case 1:
1054 /*
1055 * Free current values...
1056 */
1057
1058 cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_rebind_proc: Free values...");
1059
1060 if (dnp && *dnp)
1061 free(*dnp);
1062
1063 if (passwdp && *passwdp)
1064 free(*passwdp);
1065 break;
1066
1067 case 0:
1068 /*
1069 * Return credentials for LDAP referal...
1070 */
1071
1072 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1073 "ldap_rebind_proc: Return necessary values...");
1074
1075 *dnp = strdup(BrowseLDAPBindDN);
1076 *passwdp = strdup(BrowseLDAPPassword);
1077 *authmethodp = LDAP_AUTH_SIMPLE;
1078 break;
1079
1080 default:
1081 /*
1082 * Should never happen...
1083 */
1084
1085 cupsdLogMessage(CUPSD_LOG_ERROR,
1086 "LDAP rebind has been called with wrong freeit value!");
1087 break;
1088 }
1089
1090 return (LDAP_SUCCESS);
1091 }
1092 # endif /* defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) */
1093 #endif /* HAVE_LDAP_REBIND_PROC */
1094
1095
1096 #ifdef HAVE_LDAP
1097 /*
1098 * 'ldap_connect()' - Start new LDAP connection
1099 */
1100
1101 static LDAP * /* O - LDAP handle */
1102 ldap_connect(void)
1103 {
1104 int rc; /* LDAP API status */
1105 int version = 3; /* LDAP version */
1106 struct berval bv = {0, ""}; /* SASL bind value */
1107 LDAP *TempBrowseLDAPHandle=NULL;
1108 /* Temporary LDAP Handle */
1109 # if defined(HAVE_LDAP_SSL) && defined (HAVE_MOZILLA_LDAP)
1110 int ldap_ssl = 0; /* LDAP SSL indicator */
1111 int ssl_err = 0; /* LDAP SSL error value */
1112 # endif /* defined(HAVE_LDAP_SSL) && defined (HAVE_MOZILLA_LDAP) */
1113
1114
1115 # ifdef HAVE_OPENLDAP
1116 # ifdef HAVE_LDAP_SSL
1117 /*
1118 * Set the certificate file to use for encrypted LDAP sessions...
1119 */
1120
1121 if (BrowseLDAPCACertFile)
1122 {
1123 cupsdLogMessage(CUPSD_LOG_DEBUG,
1124 "ldap_connect: Setting CA certificate file \"%s\"",
1125 BrowseLDAPCACertFile);
1126
1127 if ((rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_CACERTFILE,
1128 (void *)BrowseLDAPCACertFile)) != LDAP_SUCCESS)
1129 cupsdLogMessage(CUPSD_LOG_ERROR,
1130 "Unable to set CA certificate file for LDAP "
1131 "connections: %d - %s", rc, ldap_err2string(rc));
1132 }
1133 # endif /* HAVE_LDAP_SSL */
1134
1135 /*
1136 * Initialize OPENLDAP connection...
1137 * LDAP stuff currently only supports ldapi EXTERNAL SASL binds...
1138 */
1139
1140 if (!BrowseLDAPServer || !strcasecmp(BrowseLDAPServer, "localhost"))
1141 rc = ldap_initialize(&TempBrowseLDAPHandle, "ldapi:///");
1142 else
1143 rc = ldap_initialize(&TempBrowseLDAPHandle, BrowseLDAPServer);
1144
1145 # else /* HAVE_OPENLDAP */
1146
1147 int ldap_port = 0; /* LDAP port */
1148 char ldap_protocol[11], /* LDAP protocol */
1149 ldap_host[255]; /* LDAP host */
1150
1151 /*
1152 * Split LDAP URI into its components...
1153 */
1154
1155 if (!BrowseLDAPServer)
1156 {
1157 cupsdLogMessage(CUPSD_LOG_ERROR, "BrowseLDAPServer not configured!");
1158 cupsdLogMessage(CUPSD_LOG_ERROR, "Disabling LDAP browsing!");
1159 BrowseLocalProtocols &= ~BROWSE_LDAP;
1160 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1161 return (NULL);
1162 }
1163
1164 sscanf(BrowseLDAPServer, "%10[^:]://%254[^:/]:%d", ldap_protocol, ldap_host,
1165 &ldap_port);
1166
1167 if (!strcmp(ldap_protocol, "ldap"))
1168 ldap_ssl = 0;
1169 else if (!strcmp(ldap_protocol, "ldaps"))
1170 ldap_ssl = 1;
1171 else
1172 {
1173 cupsdLogMessage(CUPSD_LOG_ERROR, "Unrecognized LDAP protocol (%s)!",
1174 ldap_protocol);
1175 cupsdLogMessage(CUPSD_LOG_ERROR, "Disabling LDAP browsing!");
1176 BrowseLocalProtocols &= ~BROWSE_LDAP;
1177 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1178 return (NULL);
1179 }
1180
1181 if (ldap_port == 0)
1182 {
1183 if (ldap_ssl)
1184 ldap_port = LDAPS_PORT;
1185 else
1186 ldap_port = LDAP_PORT;
1187 }
1188
1189 cupsdLogMessage(CUPSD_LOG_DEBUG, "ldap_connect: PROT:%s HOST:%s PORT:%d",
1190 ldap_protocol, ldap_host, ldap_port);
1191
1192 /*
1193 * Initialize LDAP connection...
1194 */
1195
1196 if (!ldap_ssl)
1197 {
1198 if ((TempBrowseLDAPHandle = ldap_init(ldap_host, ldap_port)) == NULL)
1199 rc = LDAP_OPERATIONS_ERROR;
1200 else
1201 rc = LDAP_SUCCESS;
1202
1203 # ifdef HAVE_LDAP_SSL
1204 }
1205 else
1206 {
1207 /*
1208 * Initialize SSL LDAP connection...
1209 */
1210
1211 if (BrowseLDAPCACertFile)
1212 {
1213 rc = ldapssl_client_init(BrowseLDAPCACertFile, (void *)NULL);
1214 if (rc != LDAP_SUCCESS)
1215 {
1216 cupsdLogMessage(CUPSD_LOG_ERROR,
1217 "Failed to initialize LDAP SSL client!");
1218 rc = LDAP_OPERATIONS_ERROR;
1219 }
1220 else
1221 {
1222 if ((TempBrowseLDAPHandle = ldapssl_init(ldap_host, ldap_port,
1223 1)) == NULL)
1224 rc = LDAP_OPERATIONS_ERROR;
1225 else
1226 rc = LDAP_SUCCESS;
1227 }
1228 }
1229 else
1230 {
1231 cupsdLogMessage(CUPSD_LOG_ERROR,
1232 "LDAP SSL certificate file/database not configured!");
1233 rc = LDAP_OPERATIONS_ERROR;
1234 }
1235
1236 # else /* HAVE_LDAP_SSL */
1237
1238 /*
1239 * Return error, because client libraries doesn't support SSL
1240 */
1241
1242 cupsdLogMessage(CUPSD_LOG_ERROR,
1243 "LDAP client libraries do not support SSL");
1244 rc = LDAP_OPERATIONS_ERROR;
1245
1246 # endif /* HAVE_LDAP_SSL */
1247 }
1248 # endif /* HAVE_OPENLDAP */
1249
1250 /*
1251 * Check return code from LDAP initialize...
1252 */
1253
1254 if (rc != LDAP_SUCCESS)
1255 {
1256 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to initialize LDAP!");
1257
1258 if (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR)
1259 cupsdLogMessage(CUPSD_LOG_ERROR, "Temporarily disabling LDAP browsing...");
1260 else
1261 {
1262 cupsdLogMessage(CUPSD_LOG_ERROR, "Disabling LDAP browsing!");
1263
1264 BrowseLocalProtocols &= ~BROWSE_LDAP;
1265 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1266 }
1267
1268 ldap_disconnect(TempBrowseLDAPHandle);
1269
1270 return (NULL);
1271 }
1272
1273 /*
1274 * Upgrade LDAP version...
1275 */
1276
1277 if (ldap_set_option(TempBrowseLDAPHandle, LDAP_OPT_PROTOCOL_VERSION,
1278 (const void *)&version) != LDAP_SUCCESS)
1279 {
1280 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to set LDAP protocol version %d!",
1281 version);
1282 cupsdLogMessage(CUPSD_LOG_ERROR, "Disabling LDAP browsing!");
1283
1284 BrowseLocalProtocols &= ~BROWSE_LDAP;
1285 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1286 ldap_disconnect(TempBrowseLDAPHandle);
1287
1288 return (NULL);
1289 }
1290
1291 /*
1292 * Register LDAP rebind procedure...
1293 */
1294
1295 # ifdef HAVE_LDAP_REBIND_PROC
1296 # if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
1297
1298 rc = ldap_set_rebind_proc(TempBrowseLDAPHandle, &ldap_rebind_proc,
1299 (void *)NULL);
1300 if (rc != LDAP_SUCCESS)
1301 cupsdLogMessage(CUPSD_LOG_ERROR,
1302 "Setting LDAP rebind function failed with status %d: %s",
1303 rc, ldap_err2string(rc));
1304
1305 # else
1306
1307 ldap_set_rebind_proc(TempBrowseLDAPHandle, &ldap_rebind_proc, (void *)NULL);
1308
1309 # endif /* defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) */
1310 # endif /* HAVE_LDAP_REBIND_PROC */
1311
1312 /*
1313 * Start LDAP bind...
1314 */
1315
1316 # if LDAP_API_VERSION > 3000
1317 struct berval bval;
1318 bval.bv_val = BrowseLDAPPassword;
1319 bval.bv_len = (BrowseLDAPPassword == NULL) ? 0 : strlen(BrowseLDAPPassword);
1320
1321 if (!BrowseLDAPServer || !strcasecmp(BrowseLDAPServer, "localhost"))
1322 rc = ldap_sasl_bind_s(TempBrowseLDAPHandle, NULL, "EXTERNAL", &bv, NULL,
1323 NULL, NULL);
1324 else
1325 rc = ldap_sasl_bind_s(TempBrowseLDAPHandle, BrowseLDAPBindDN, LDAP_SASL_SIMPLE, &bval, NULL, NULL, NULL);
1326
1327 # else
1328 rc = ldap_bind_s(TempBrowseLDAPHandle, BrowseLDAPBindDN,
1329 BrowseLDAPPassword, LDAP_AUTH_SIMPLE);
1330 # endif /* LDAP_API_VERSION > 3000 */
1331
1332 if (rc != LDAP_SUCCESS)
1333 {
1334 cupsdLogMessage(CUPSD_LOG_ERROR, "LDAP bind failed with error %d: %s",
1335 rc, ldap_err2string(rc));
1336
1337 # if defined(HAVE_LDAP_SSL) && defined (HAVE_MOZILLA_LDAP)
1338 if (ldap_ssl && (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR))
1339 {
1340 ssl_err = PORT_GetError();
1341 if (ssl_err != 0)
1342 cupsdLogMessage(CUPSD_LOG_ERROR, "LDAP SSL error %d: %s", ssl_err,
1343 ldapssl_err2string(ssl_err));
1344 }
1345 # endif /* defined(HAVE_LDAP_SSL) && defined (HAVE_MOZILLA_LDAP) */
1346
1347 ldap_disconnect(TempBrowseLDAPHandle);
1348
1349 return (NULL);
1350 }
1351
1352 cupsdLogMessage(CUPSD_LOG_INFO, "LDAP connection established");
1353
1354 return (TempBrowseLDAPHandle);
1355 }
1356
1357
1358 /*
1359 * 'ldap_reconnect()' - Reconnect to LDAP Server
1360 */
1361
1362 static LDAP * /* O - New LDAP handle */
1363 ldap_reconnect(void)
1364 {
1365 LDAP *TempBrowseLDAPHandle = NULL; /* Temp Handle to LDAP server */
1366
1367
1368 /*
1369 * Get a new LDAP Handle and replace the global Handle
1370 * if the new connection was successful.
1371 */
1372
1373 cupsdLogMessage(CUPSD_LOG_INFO, "Try LDAP reconnect...");
1374
1375 TempBrowseLDAPHandle = ldap_connect();
1376
1377 if (TempBrowseLDAPHandle != NULL)
1378 {
1379 if (BrowseLDAPHandle != NULL)
1380 ldap_disconnect(BrowseLDAPHandle);
1381
1382 BrowseLDAPHandle = TempBrowseLDAPHandle;
1383 }
1384
1385 return (BrowseLDAPHandle);
1386 }
1387
1388
1389 /*
1390 * 'ldap_disconnect()' - Disconnect from LDAP Server
1391 */
1392
1393 static void
1394 ldap_disconnect(LDAP *ld) /* I - LDAP handle */
1395 {
1396 int rc; /* Return code */
1397
1398
1399 /*
1400 * Close LDAP handle...
1401 */
1402
1403 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
1404 rc = ldap_unbind_ext_s(ld, NULL, NULL);
1405 # else
1406 rc = ldap_unbind_s(ld);
1407 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
1408
1409 if (rc != LDAP_SUCCESS)
1410 cupsdLogMessage(CUPSD_LOG_ERROR,
1411 "Unbind from LDAP server failed with status %d: %s",
1412 rc, ldap_err2string(rc));
1413 }
1414 #endif /* HAVE_LDAP */
1415
1416
1417 /*
1418 * 'cupsdStartBrowsing()' - Start sending and receiving broadcast information.
1419 */
1420
1421 void
1422 cupsdStartBrowsing(void)
1423 {
1424 int val; /* Socket option value */
1425 struct sockaddr_in addr; /* Broadcast address */
1426 cupsd_printer_t *p; /* Current printer */
1427
1428
1429 BrowseNext = NULL;
1430
1431 if (!Browsing || !(BrowseLocalProtocols | BrowseRemoteProtocols))
1432 return;
1433
1434 if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_CUPS)
1435 {
1436 if (BrowseSocket < 0)
1437 {
1438 /*
1439 * Create the broadcast socket...
1440 */
1441
1442 if ((BrowseSocket = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
1443 {
1444 cupsdLogMessage(CUPSD_LOG_ERROR,
1445 "Unable to create broadcast socket - %s.",
1446 strerror(errno));
1447 BrowseLocalProtocols &= ~BROWSE_CUPS;
1448 BrowseRemoteProtocols &= ~BROWSE_CUPS;
1449
1450 if (FatalErrors & CUPSD_FATAL_BROWSE)
1451 cupsdEndProcess(getpid(), 0);
1452 }
1453 }
1454
1455 if (BrowseSocket >= 0)
1456 {
1457 /*
1458 * Bind the socket to browse port...
1459 */
1460
1461 memset(&addr, 0, sizeof(addr));
1462 addr.sin_addr.s_addr = htonl(INADDR_ANY);
1463 addr.sin_family = AF_INET;
1464 addr.sin_port = htons(BrowsePort);
1465
1466 if (bind(BrowseSocket, (struct sockaddr *)&addr, sizeof(addr)))
1467 {
1468 cupsdLogMessage(CUPSD_LOG_ERROR,
1469 "Unable to bind broadcast socket - %s.",
1470 strerror(errno));
1471
1472 #ifdef WIN32
1473 closesocket(BrowseSocket);
1474 #else
1475 close(BrowseSocket);
1476 #endif /* WIN32 */
1477
1478 BrowseSocket = -1;
1479 BrowseLocalProtocols &= ~BROWSE_CUPS;
1480 BrowseRemoteProtocols &= ~BROWSE_CUPS;
1481
1482 if (FatalErrors & CUPSD_FATAL_BROWSE)
1483 cupsdEndProcess(getpid(), 0);
1484 }
1485 }
1486
1487 if (BrowseSocket >= 0)
1488 {
1489 /*
1490 * Set the "broadcast" flag...
1491 */
1492
1493 val = 1;
1494 if (setsockopt(BrowseSocket, SOL_SOCKET, SO_BROADCAST, &val, sizeof(val)))
1495 {
1496 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to set broadcast mode - %s.",
1497 strerror(errno));
1498
1499 #ifdef WIN32
1500 closesocket(BrowseSocket);
1501 #else
1502 close(BrowseSocket);
1503 #endif /* WIN32 */
1504
1505 BrowseSocket = -1;
1506 BrowseLocalProtocols &= ~BROWSE_CUPS;
1507 BrowseRemoteProtocols &= ~BROWSE_CUPS;
1508
1509 if (FatalErrors & CUPSD_FATAL_BROWSE)
1510 cupsdEndProcess(getpid(), 0);
1511 }
1512 }
1513
1514 if (BrowseSocket >= 0)
1515 {
1516 /*
1517 * Close the socket on exec...
1518 */
1519
1520 fcntl(BrowseSocket, F_SETFD, fcntl(BrowseSocket, F_GETFD) | FD_CLOEXEC);
1521
1522 /*
1523 * Finally, add the socket to the input selection set as needed...
1524 */
1525
1526 if (BrowseRemoteProtocols & BROWSE_CUPS)
1527 {
1528 /*
1529 * We only listen if we want remote printers...
1530 */
1531
1532 cupsdAddSelect(BrowseSocket, (cupsd_selfunc_t)update_cups_browse,
1533 NULL, NULL);
1534 }
1535 }
1536 }
1537 else
1538 BrowseSocket = -1;
1539
1540 #ifdef HAVE_DNSSD
1541 if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_DNSSD)
1542 {
1543 DNSServiceErrorType error; /* Error from service creation */
1544 cupsd_listener_t *lis; /* Current listening socket */
1545
1546
1547 /*
1548 * First create a "master" connection for all registrations...
1549 */
1550
1551 if ((error = DNSServiceCreateConnection(&DNSSDRef))
1552 != kDNSServiceErr_NoError)
1553 {
1554 cupsdLogMessage(CUPSD_LOG_ERROR,
1555 "Unable to create master DNS-SD reference: %d", error);
1556
1557 if (FatalErrors & CUPSD_FATAL_BROWSE)
1558 cupsdEndProcess(getpid(), 0);
1559 }
1560 else
1561 {
1562 /*
1563 * Add the master connection to the select list...
1564 */
1565
1566 int fd = DNSServiceRefSockFD(DNSSDRef);
1567
1568 fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
1569
1570 cupsdAddSelect(fd, (cupsd_selfunc_t)dnssdUpdate, NULL, NULL);
1571
1572 /*
1573 * Then get the port we use for registrations. If we are not listening
1574 * on any non-local ports, there is no sense sharing local printers via
1575 * Bonjour...
1576 */
1577
1578 DNSSDPort = 0;
1579
1580 for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
1581 lis;
1582 lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
1583 {
1584 if (httpAddrLocalhost(&(lis->address)))
1585 continue;
1586
1587 if (lis->address.addr.sa_family == AF_INET)
1588 {
1589 DNSSDPort = ntohs(lis->address.ipv4.sin_port);
1590 break;
1591 }
1592 else if (lis->address.addr.sa_family == AF_INET6)
1593 {
1594 DNSSDPort = ntohs(lis->address.ipv6.sin6_port);
1595 break;
1596 }
1597 }
1598
1599 /*
1600 * Create an array to track the printers we share...
1601 */
1602
1603 if (BrowseRemoteProtocols & BROWSE_DNSSD)
1604 DNSSDPrinters = cupsArrayNew((cups_array_func_t)dnssdComparePrinters,
1605 NULL);
1606
1607 /*
1608 * Set the computer name and register the web interface...
1609 */
1610
1611 cupsdUpdateDNSSDName();
1612 }
1613 }
1614 #endif /* HAVE_DNSSD */
1615
1616 #ifdef HAVE_LIBSLP
1617 if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_SLP)
1618 {
1619 /*
1620 * Open SLP handle...
1621 */
1622
1623 if (SLPOpen("en", SLP_FALSE, &BrowseSLPHandle) != SLP_OK)
1624 {
1625 cupsdLogMessage(CUPSD_LOG_ERROR,
1626 "Unable to open an SLP handle; disabling SLP browsing!");
1627 BrowseLocalProtocols &= ~BROWSE_SLP;
1628 BrowseRemoteProtocols &= ~BROWSE_SLP;
1629 BrowseSLPHandle = NULL;
1630
1631 if (FatalErrors & CUPSD_FATAL_BROWSE)
1632 cupsdEndProcess(getpid(), 0);
1633 }
1634
1635 BrowseSLPRefresh = 0;
1636 }
1637 else
1638 BrowseSLPHandle = NULL;
1639 #endif /* HAVE_LIBSLP */
1640
1641 #ifdef HAVE_LDAP
1642 if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_LDAP)
1643 {
1644 if (!BrowseLDAPDN)
1645 {
1646 cupsdLogMessage(CUPSD_LOG_ERROR,
1647 "Need to set BrowseLDAPDN to use LDAP browsing!");
1648 BrowseLocalProtocols &= ~BROWSE_LDAP;
1649 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1650
1651 if (FatalErrors & CUPSD_FATAL_BROWSE)
1652 cupsdEndProcess(getpid(), 0);
1653 }
1654 else
1655 {
1656 /*
1657 * Open LDAP handle...
1658 */
1659
1660 if ((BrowseLDAPHandle = ldap_connect()) == NULL &&
1661 (FatalErrors & CUPSD_FATAL_BROWSE))
1662 cupsdEndProcess(getpid(), 0);
1663 }
1664
1665 BrowseLDAPRefresh = 0;
1666 }
1667 #endif /* HAVE_LDAP */
1668
1669 /*
1670 * Enable LPD and SMB printer sharing as needed through external programs...
1671 */
1672
1673 if (BrowseLocalProtocols & BROWSE_LPD)
1674 update_lpd(1);
1675
1676 if (BrowseLocalProtocols & BROWSE_SMB)
1677 update_smb(1);
1678
1679 /*
1680 * Register the individual printers
1681 */
1682
1683 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
1684 p;
1685 p = (cupsd_printer_t *)cupsArrayNext(Printers))
1686 if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
1687 CUPS_PRINTER_SCANNER)))
1688 cupsdRegisterPrinter(p);
1689 }
1690
1691
1692 /*
1693 * 'cupsdStartPolling()' - Start polling servers as needed.
1694 */
1695
1696 void
1697 cupsdStartPolling(void)
1698 {
1699 int i; /* Looping var */
1700 cupsd_dirsvc_poll_t *pollp; /* Current polling server */
1701 char polld[1024]; /* Poll daemon path */
1702 char sport[255]; /* Server port */
1703 char bport[255]; /* Browser port */
1704 char interval[255]; /* Poll interval */
1705 int statusfds[2]; /* Status pipe */
1706 char *argv[6]; /* Arguments */
1707 char *envp[100]; /* Environment */
1708
1709
1710 /*
1711 * Don't do anything if we aren't polling...
1712 */
1713
1714 if (NumPolled == 0 || BrowseSocket < 0)
1715 {
1716 PollPipe = -1;
1717 PollStatusBuffer = NULL;
1718 return;
1719 }
1720
1721 /*
1722 * Setup string arguments for polld, port and interval options.
1723 */
1724
1725 snprintf(polld, sizeof(polld), "%s/daemon/cups-polld", ServerBin);
1726
1727 sprintf(bport, "%d", BrowsePort);
1728
1729 if (BrowseInterval)
1730 sprintf(interval, "%d", BrowseInterval);
1731 else
1732 strcpy(interval, "30");
1733
1734 argv[0] = "cups-polld";
1735 argv[2] = sport;
1736 argv[3] = interval;
1737 argv[4] = bport;
1738 argv[5] = NULL;
1739
1740 cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0])));
1741
1742 /*
1743 * Create a pipe that receives the status messages from each
1744 * polling daemon...
1745 */
1746
1747 if (cupsdOpenPipe(statusfds))
1748 {
1749 cupsdLogMessage(CUPSD_LOG_ERROR,
1750 "Unable to create polling status pipes - %s.",
1751 strerror(errno));
1752 PollPipe = -1;
1753 PollStatusBuffer = NULL;
1754 return;
1755 }
1756
1757 PollPipe = statusfds[0];
1758 PollStatusBuffer = cupsdStatBufNew(PollPipe, "[Poll]");
1759
1760 /*
1761 * Run each polling daemon, redirecting stderr to the polling pipe...
1762 */
1763
1764 for (i = 0, pollp = Polled; i < NumPolled; i ++, pollp ++)
1765 {
1766 sprintf(sport, "%d", pollp->port);
1767
1768 argv[1] = pollp->hostname;
1769
1770 if (cupsdStartProcess(polld, argv, envp, -1, -1, statusfds[1], -1, -1,
1771 0, DefaultProfile, NULL, &(pollp->pid)) < 0)
1772 {
1773 cupsdLogMessage(CUPSD_LOG_ERROR,
1774 "cupsdStartPolling: Unable to fork polling daemon - %s",
1775 strerror(errno));
1776 pollp->pid = 0;
1777 break;
1778 }
1779 else
1780 cupsdLogMessage(CUPSD_LOG_DEBUG,
1781 "cupsdStartPolling: Started polling daemon for %s:%d, pid = %d",
1782 pollp->hostname, pollp->port, pollp->pid);
1783 }
1784
1785 close(statusfds[1]);
1786
1787 /*
1788 * Finally, add the pipe to the input selection set...
1789 */
1790
1791 cupsdAddSelect(PollPipe, (cupsd_selfunc_t)update_polling, NULL, NULL);
1792 }
1793
1794
1795 /*
1796 * 'cupsdStopBrowsing()' - Stop sending and receiving broadcast information.
1797 */
1798
1799 void
1800 cupsdStopBrowsing(void)
1801 {
1802 cupsd_printer_t *p; /* Current printer */
1803
1804
1805 if (!Browsing || !(BrowseLocalProtocols | BrowseRemoteProtocols))
1806 return;
1807
1808 /*
1809 * De-register the individual printers
1810 */
1811
1812 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
1813 p;
1814 p = (cupsd_printer_t *)cupsArrayNext(Printers))
1815 if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
1816 CUPS_PRINTER_SCANNER)))
1817 cupsdDeregisterPrinter(p, 1);
1818
1819 /*
1820 * Shut down browsing sockets...
1821 */
1822
1823 if (((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_CUPS) &&
1824 BrowseSocket >= 0)
1825 {
1826 /*
1827 * Close the socket and remove it from the input selection set.
1828 */
1829
1830 #ifdef WIN32
1831 closesocket(BrowseSocket);
1832 #else
1833 close(BrowseSocket);
1834 #endif /* WIN32 */
1835
1836 cupsdRemoveSelect(BrowseSocket);
1837 BrowseSocket = -1;
1838 }
1839
1840 #ifdef HAVE_DNSSD
1841 if ((BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDRef)
1842 dnssdStop();
1843 #endif /* HAVE_DNSSD */
1844
1845 #ifdef HAVE_LIBSLP
1846 if (((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_SLP) &&
1847 BrowseSLPHandle)
1848 {
1849 /*
1850 * Close SLP handle...
1851 */
1852
1853 SLPClose(BrowseSLPHandle);
1854 BrowseSLPHandle = NULL;
1855 }
1856 #endif /* HAVE_LIBSLP */
1857
1858 #ifdef HAVE_LDAP
1859 if (((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_LDAP) &&
1860 BrowseLDAPHandle)
1861 {
1862 ldap_dereg_ou(ServerName, BrowseLDAPDN);
1863 ldap_disconnect(BrowseLDAPHandle);
1864 BrowseLDAPHandle = NULL;
1865 }
1866 #endif /* HAVE_OPENLDAP */
1867
1868 /*
1869 * Disable LPD and SMB printer sharing as needed through external programs...
1870 */
1871
1872 if (BrowseLocalProtocols & BROWSE_LPD)
1873 update_lpd(0);
1874
1875 if (BrowseLocalProtocols & BROWSE_SMB)
1876 update_smb(0);
1877 }
1878
1879
1880 /*
1881 * 'cupsdStopPolling()' - Stop polling servers as needed.
1882 */
1883
1884 void
1885 cupsdStopPolling(void)
1886 {
1887 int i; /* Looping var */
1888 cupsd_dirsvc_poll_t *pollp; /* Current polling server */
1889
1890
1891 if (PollPipe >= 0)
1892 {
1893 cupsdStatBufDelete(PollStatusBuffer);
1894 close(PollPipe);
1895
1896 cupsdRemoveSelect(PollPipe);
1897
1898 PollPipe = -1;
1899 PollStatusBuffer = NULL;
1900 }
1901
1902 for (i = 0, pollp = Polled; i < NumPolled; i ++, pollp ++)
1903 if (pollp->pid)
1904 cupsdEndProcess(pollp->pid, 0);
1905 }
1906
1907
1908 #ifdef HAVE_DNSSD
1909 /*
1910 * 'cupsdUpdateDNSSDName()' - Update the computer name we use for browsing...
1911 */
1912
1913 void
1914 cupsdUpdateDNSSDName(void)
1915 {
1916 DNSServiceErrorType error; /* Error from service creation */
1917 char webif[1024]; /* Web interface share name */
1918 #ifdef HAVE_COREFOUNDATION_H
1919 SCDynamicStoreRef sc; /* Context for dynamic store */
1920 CFDictionaryRef btmm; /* Back-to-My-Mac domains */
1921 CFStringEncoding nameEncoding; /* Encoding of computer name */
1922 CFStringRef nameRef; /* Host name CFString */
1923 char nameBuffer[1024]; /* C-string buffer */
1924 #endif /* HAVE_COREFOUNDATION_H */
1925
1926
1927 /*
1928 * Only share the web interface and printers when non-local listening is
1929 * enabled...
1930 */
1931
1932
1933 if (!DNSSDPort)
1934 return;
1935
1936 /*
1937 * Get the computer name as a c-string...
1938 */
1939
1940 #ifdef HAVE_COREFOUNDATION_H
1941 sc = SCDynamicStoreCreate(kCFAllocatorDefault, CFSTR("cupsd"), NULL, NULL);
1942
1943 if (sc)
1944 {
1945 /*
1946 * Get the computer name from the dynamic store...
1947 */
1948
1949 cupsdClearString(&DNSSDComputerName);
1950
1951 if ((nameRef = SCDynamicStoreCopyComputerName(sc, &nameEncoding)) != NULL)
1952 {
1953 if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
1954 kCFStringEncodingUTF8))
1955 {
1956 cupsdLogMessage(CUPSD_LOG_DEBUG,
1957 "Dynamic store computer name is \"%s\".", nameBuffer);
1958 cupsdSetString(&DNSSDComputerName, nameBuffer);
1959 }
1960
1961 CFRelease(nameRef);
1962 }
1963
1964 if (!DNSSDComputerName)
1965 {
1966 /*
1967 * Use the ServerName instead...
1968 */
1969
1970 cupsdLogMessage(CUPSD_LOG_DEBUG,
1971 "Using ServerName \"%s\" as computer name.", ServerName);
1972 cupsdSetString(&DNSSDComputerName, ServerName);
1973 }
1974
1975 /*
1976 * Get the local hostname from the dynamic store...
1977 */
1978
1979 cupsdClearString(&DNSSDHostName);
1980
1981 if ((nameRef = SCDynamicStoreCopyLocalHostName(sc)) != NULL)
1982 {
1983 if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
1984 kCFStringEncodingUTF8))
1985 {
1986 cupsdLogMessage(CUPSD_LOG_DEBUG,
1987 "Dynamic store host name is \"%s\".", nameBuffer);
1988 cupsdSetString(&DNSSDHostName, nameBuffer);
1989 }
1990
1991 CFRelease(nameRef);
1992 }
1993
1994 if (!DNSSDHostName)
1995 {
1996 /*
1997 * Use the ServerName instead...
1998 */
1999
2000 cupsdLogMessage(CUPSD_LOG_DEBUG,
2001 "Using ServerName \"%s\" as host name.", ServerName);
2002 cupsdSetString(&DNSSDHostName, ServerName);
2003 }
2004
2005 /*
2006 * Get any Back-to-My-Mac domains and add them as aliases...
2007 */
2008
2009 cupsdFreeAliases(DNSSDAlias);
2010 DNSSDAlias = NULL;
2011
2012 btmm = SCDynamicStoreCopyValue(sc, CFSTR("Setup:/Network/BackToMyMac"));
2013 if (btmm && CFGetTypeID(btmm) == CFDictionaryGetTypeID())
2014 {
2015 cupsdLogMessage(CUPSD_LOG_DEBUG, "%d Back to My Mac aliases to add.",
2016 (int)CFDictionaryGetCount(btmm));
2017 CFDictionaryApplyFunction(btmm, dnssdAddAlias, NULL);
2018 }
2019 else if (btmm)
2020 cupsdLogMessage(CUPSD_LOG_ERROR,
2021 "Bad Back to My Mac data in dynamic store!");
2022 else
2023 cupsdLogMessage(CUPSD_LOG_DEBUG, "No Back to My Mac aliases to add.");
2024
2025 if (btmm)
2026 CFRelease(btmm);
2027
2028 CFRelease(sc);
2029 }
2030 else
2031 #endif /* HAVE_COREFOUNDATION_H */
2032 {
2033 cupsdSetString(&DNSSDComputerName, ServerName);
2034 cupsdSetString(&DNSSDHostName, ServerName);
2035 }
2036
2037 /*
2038 * Then (re)register the web interface if enabled...
2039 */
2040
2041 if (BrowseWebIF)
2042 {
2043 if (DNSSDComputerName)
2044 snprintf(webif, sizeof(webif), "CUPS @ %s", DNSSDComputerName);
2045 else
2046 strlcpy(webif, "CUPS Web Interface", sizeof(webif));
2047
2048 if (WebIFRef)
2049 DNSServiceRefDeallocate(WebIFRef);
2050
2051 WebIFRef = DNSSDRef;
2052 if ((error = DNSServiceRegister(&WebIFRef,
2053 kDNSServiceFlagsShareConnection,
2054 0, webif, "_http._tcp", NULL,
2055 NULL, htons(DNSSDPort), 7,
2056 "\006path=/", dnssdRegisterCallback,
2057 NULL)) != kDNSServiceErr_NoError)
2058 cupsdLogMessage(CUPSD_LOG_ERROR,
2059 "DNS-SD web interface registration failed: %d", error);
2060 }
2061 }
2062 #endif /* HAVE_DNSSD */
2063
2064
2065 #ifdef HAVE_LDAP
2066 /*
2067 * 'cupsdUpdateLDAPBrowse()' - Scan for new printers via LDAP...
2068 */
2069
2070 void
2071 cupsdUpdateLDAPBrowse(void)
2072 {
2073 char uri[HTTP_MAX_URI], /* Printer URI */
2074 host[HTTP_MAX_URI], /* Hostname */
2075 resource[HTTP_MAX_URI], /* Resource path */
2076 location[1024], /* Printer location */
2077 info[1024], /* Printer information */
2078 make_model[1024], /* Printer make and model */
2079 type_num[30]; /* Printer type number */
2080 int type; /* Printer type */
2081 int rc; /* LDAP status */
2082 int limit; /* Size limit */
2083 LDAPMessage *res, /* LDAP search results */
2084 *e; /* Current entry from search */
2085
2086 cupsdLogMessage(CUPSD_LOG_DEBUG2, "UpdateLDAPBrowse: %s", ServerName);
2087
2088 BrowseLDAPRefresh = time(NULL) + BrowseInterval;
2089
2090 /*
2091 * Reconnect if LDAP Handle is invalid...
2092 */
2093
2094 if (! BrowseLDAPHandle)
2095 {
2096 ldap_reconnect();
2097 return;
2098 }
2099
2100 /*
2101 * Search for cups printers in LDAP directory...
2102 */
2103
2104 rc = ldap_search_rec(BrowseLDAPHandle, BrowseLDAPDN, LDAP_SCOPE_SUBTREE,
2105 "(objectclass=cupsPrinter)", (char **)ldap_attrs, 0, &res);
2106
2107 /*
2108 * If ldap search was successfull then exit function
2109 * and temporary disable LDAP updates...
2110 */
2111
2112 if (rc != LDAP_SUCCESS)
2113 {
2114 if (BrowseLDAPUpdate && ((rc == LDAP_SERVER_DOWN) || (rc == LDAP_CONNECT_ERROR)))
2115 {
2116 BrowseLDAPUpdate = FALSE;
2117 cupsdLogMessage(CUPSD_LOG_INFO,
2118 "LDAP update temporary disabled");
2119 }
2120 return;
2121 }
2122
2123 /*
2124 * If LDAP updates were disabled, we will reenable them...
2125 */
2126
2127 if (! BrowseLDAPUpdate)
2128 {
2129 BrowseLDAPUpdate = TRUE;
2130 cupsdLogMessage(CUPSD_LOG_INFO,
2131 "LDAP update enabled");
2132 }
2133
2134 /*
2135 * Count LDAP entries and return if no entry exist...
2136 */
2137
2138 limit = ldap_count_entries(BrowseLDAPHandle, res);
2139 cupsdLogMessage(CUPSD_LOG_DEBUG2, "LDAP search returned %d entries", limit);
2140 if (limit < 1)
2141 {
2142 ldap_freeres(res);
2143 return;
2144 }
2145
2146 /*
2147 * Loop through the available printers...
2148 */
2149
2150 for (e = ldap_first_entry(BrowseLDAPHandle, res);
2151 e;
2152 e = ldap_next_entry(BrowseLDAPHandle, e))
2153 {
2154 /*
2155 * Get the required values from this entry...
2156 */
2157
2158 if (ldap_getval_firststring(BrowseLDAPHandle, e,
2159 "printerDescription", info, sizeof(info)) == -1)
2160 continue;
2161
2162 if (ldap_getval_firststring(BrowseLDAPHandle, e,
2163 "printerLocation", location, sizeof(location)) == -1)
2164 continue;
2165
2166 if (ldap_getval_firststring(BrowseLDAPHandle, e,
2167 "printerMakeAndModel", make_model, sizeof(make_model)) == -1)
2168 continue;
2169
2170 if (ldap_getval_firststring(BrowseLDAPHandle, e,
2171 "printerType", type_num, sizeof(type_num)) == -1)
2172 continue;
2173
2174 type = atoi(type_num);
2175
2176 if (ldap_getval_firststring(BrowseLDAPHandle, e,
2177 "printerURI", uri, sizeof(uri)) == -1)
2178 continue;
2179
2180 /*
2181 * Process the entry as browse data...
2182 */
2183
2184 if (!is_local_queue(uri, host, sizeof(host), resource, sizeof(resource)))
2185 process_browse_data(uri, host, resource, type, IPP_PRINTER_IDLE,
2186 location, info, make_model, 0, NULL);
2187
2188 }
2189
2190 ldap_freeres(res);
2191 }
2192 #endif /* HAVE_LDAP */
2193
2194
2195 #ifdef HAVE_LIBSLP
2196 /*
2197 * 'cupsdUpdateSLPBrowse()' - Get browsing information via SLP.
2198 */
2199
2200 void
2201 cupsdUpdateSLPBrowse(void)
2202 {
2203 slpsrvurl_t *s, /* Temporary list of service URLs */
2204 *next; /* Next service in list */
2205 cupsd_printer_t p; /* Printer information */
2206 const char *uri; /* Pointer to printer URI */
2207 char host[HTTP_MAX_URI], /* Host portion of URI */
2208 resource[HTTP_MAX_URI]; /* Resource portion of URI */
2209
2210
2211 /*
2212 * Reset the refresh time...
2213 */
2214
2215 BrowseSLPRefresh = time(NULL) + BrowseInterval;
2216
2217 /*
2218 * Poll for remote printers using SLP...
2219 */
2220
2221 s = NULL;
2222
2223 SLPFindSrvs(BrowseSLPHandle, SLP_CUPS_SRVTYPE, "", "",
2224 slp_url_callback, &s);
2225
2226 /*
2227 * Loop through the list of available printers...
2228 */
2229
2230 for (; s; s = next)
2231 {
2232 /*
2233 * Save the "next" pointer...
2234 */
2235
2236 next = s->next;
2237
2238 /*
2239 * Load a cupsd_printer_t structure with the SLP service attributes...
2240 */
2241
2242 SLPFindAttrs(BrowseSLPHandle, s->url, "", "", slp_attr_callback, &p);
2243
2244 /*
2245 * Process this printer entry...
2246 */
2247
2248 uri = s->url + SLP_CUPS_SRVLEN + 1;
2249
2250 if (!strncmp(uri, "http://", 7) || !strncmp(uri, "ipp://", 6))
2251 {
2252 /*
2253 * Pull the URI apart to see if this is a local or remote printer...
2254 */
2255
2256 if (!is_local_queue(uri, host, sizeof(host), resource, sizeof(resource)))
2257 process_browse_data(uri, host, resource, p.type, IPP_PRINTER_IDLE,
2258 p.location, p.info, p.make_model, 0, NULL);
2259 }
2260
2261 /*
2262 * Free this listing...
2263 */
2264
2265 cupsdClearString(&p.info);
2266 cupsdClearString(&p.location);
2267 cupsdClearString(&p.make_model);
2268
2269 free(s);
2270 }
2271 }
2272 #endif /* HAVE_LIBSLP */
2273
2274
2275 /*
2276 * 'dequote()' - Remote quotes from a string.
2277 */
2278
2279 static char * /* O - Dequoted string */
2280 dequote(char *d, /* I - Destination string */
2281 const char *s, /* I - Source string */
2282 int dlen) /* I - Destination length */
2283 {
2284 char *dptr; /* Pointer into destination */
2285
2286
2287 if (s)
2288 {
2289 for (dptr = d, dlen --; *s && dlen > 0; s ++)
2290 if (*s != '\"')
2291 {
2292 *dptr++ = *s;
2293 dlen --;
2294 }
2295
2296 *dptr = '\0';
2297 }
2298 else
2299 *d = '\0';
2300
2301 return (d);
2302 }
2303
2304
2305 #ifdef HAVE_DNSSD
2306 # ifdef HAVE_COREFOUNDATION
2307 /*
2308 * 'dnssdAddAlias()' - Add a DNS-SD alias name.
2309 */
2310
2311 static void
2312 dnssdAddAlias(const void *key, /* I - Key */
2313 const void *value, /* I - Value (domain) */
2314 void *context) /* I - Unused */
2315 {
2316 char valueStr[1024], /* Domain string */
2317 hostname[1024]; /* Complete hostname */
2318
2319
2320 (void)context;
2321
2322 if (CFGetTypeID((CFStringRef)value) == CFStringGetTypeID() &&
2323 CFStringGetCString((CFStringRef)value, valueStr, sizeof(valueStr),
2324 kCFStringEncodingUTF8))
2325 {
2326 snprintf(hostname, sizeof(hostname), "%s.%s", DNSSDHostName, valueStr);
2327 if (!DNSSDAlias)
2328 DNSSDAlias = cupsArrayNew(NULL, NULL);
2329
2330 cupsdAddAlias(DNSSDAlias, hostname);
2331 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added Back to My Mac ServerAlias %s",
2332 hostname);
2333 }
2334 else
2335 cupsdLogMessage(CUPSD_LOG_ERROR,
2336 "Bad Back to My Mac domain in dynamic store!");
2337 }
2338 # endif /* HAVE_COREFOUNDATION */
2339
2340
2341 /*
2342 * 'dnssdBuildTxtRecord()' - Build a TXT record from printer info.
2343 */
2344
2345 static char * /* O - TXT record */
2346 dnssdBuildTxtRecord(
2347 int *txt_len, /* O - TXT record length */
2348 cupsd_printer_t *p, /* I - Printer information */
2349 int for_lpd) /* I - 1 = LPD, 0 = IPP */
2350 {
2351 int i; /* Looping var */
2352 char adminurl_str[256], /* URL for the admin page */
2353 type_str[32], /* Type to string buffer */
2354 state_str[32], /* State to string buffer */
2355 rp_str[1024], /* Queue name string buffer */
2356 air_str[1024], /* auth-info-required string buffer */
2357 *keyvalue[32][2]; /* Table of key/value pairs */
2358
2359
2360 /*
2361 * Load up the key value pairs...
2362 */
2363
2364 i = 0;
2365
2366 keyvalue[i ][0] = "txtvers";
2367 keyvalue[i++][1] = "1";
2368
2369 keyvalue[i ][0] = "qtotal";
2370 keyvalue[i++][1] = "1";
2371
2372 keyvalue[i ][0] = "rp";
2373 keyvalue[i++][1] = rp_str;
2374 if (for_lpd)
2375 strlcpy(rp_str, p->name, sizeof(rp_str));
2376 else
2377 snprintf(rp_str, sizeof(rp_str), "%s/%s",
2378 (p->type & CUPS_PRINTER_CLASS) ? "classes" : "printers", p->name);
2379
2380 keyvalue[i ][0] = "ty";
2381 keyvalue[i++][1] = p->make_model ? p->make_model : "Unknown";
2382
2383 httpAssembleURIf(HTTP_URI_CODING_ALL, adminurl_str, sizeof(adminurl_str),
2384 "http", NULL, DNSSDHostName, DNSSDPort, "/%s/%s",
2385 (p->type & CUPS_PRINTER_CLASS) ? "classes" : "printers",
2386 p->name);
2387 keyvalue[i ][0] = "adminurl";
2388 keyvalue[i++][1] = adminurl_str;
2389
2390 keyvalue[i ][0] = "note";
2391 keyvalue[i++][1] = p->location ? p->location : "";
2392
2393 keyvalue[i ][0] = "priority";
2394 keyvalue[i++][1] = for_lpd ? "100" : "0";
2395
2396 keyvalue[i ][0] = "product";
2397 keyvalue[i++][1] = p->product ? p->product : "Unknown";
2398
2399 snprintf(type_str, sizeof(type_str), "0x%X", p->type | CUPS_PRINTER_REMOTE);
2400 snprintf(state_str, sizeof(state_str), "%d", p->state);
2401
2402 keyvalue[i ][0] = "printer-state";
2403 keyvalue[i++][1] = state_str;
2404
2405 keyvalue[i ][0] = "printer-type";
2406 keyvalue[i++][1] = type_str;
2407
2408 keyvalue[i ][0] = "Transparent";
2409 keyvalue[i++][1] = "T";
2410
2411 keyvalue[i ][0] = "Binary";
2412 keyvalue[i++][1] = "T";
2413
2414 keyvalue[i ][0] = "Fax";
2415 keyvalue[i++][1] = (p->type & CUPS_PRINTER_FAX) ? "T" : "F";
2416
2417 keyvalue[i ][0] = "Color";
2418 keyvalue[i++][1] = (p->type & CUPS_PRINTER_COLOR) ? "T" : "F";
2419
2420 keyvalue[i ][0] = "Duplex";
2421 keyvalue[i++][1] = (p->type & CUPS_PRINTER_DUPLEX) ? "T" : "F";
2422
2423 keyvalue[i ][0] = "Staple";
2424 keyvalue[i++][1] = (p->type & CUPS_PRINTER_STAPLE) ? "T" : "F";
2425
2426 keyvalue[i ][0] = "Copies";
2427 keyvalue[i++][1] = (p->type & CUPS_PRINTER_COPIES) ? "T" : "F";
2428
2429 keyvalue[i ][0] = "Collate";
2430 keyvalue[i++][1] = (p->type & CUPS_PRINTER_COLLATE) ? "T" : "F";
2431
2432 keyvalue[i ][0] = "Punch";
2433 keyvalue[i++][1] = (p->type & CUPS_PRINTER_PUNCH) ? "T" : "F";
2434
2435 keyvalue[i ][0] = "Bind";
2436 keyvalue[i++][1] = (p->type & CUPS_PRINTER_BIND) ? "T" : "F";
2437
2438 keyvalue[i ][0] = "Sort";
2439 keyvalue[i++][1] = (p->type & CUPS_PRINTER_SORT) ? "T" : "F";
2440
2441 keyvalue[i ][0] = "Scan";
2442 keyvalue[i++][1] = (p->type & CUPS_PRINTER_MFP) ? "T" : "F";
2443
2444 keyvalue[i ][0] = "pdl";
2445 keyvalue[i++][1] = p->pdl ? p->pdl : "application/postscript";
2446
2447 if (get_auth_info_required(p, air_str, sizeof(air_str)))
2448 {
2449 keyvalue[i ][0] = "air";
2450 keyvalue[i++][1] = air_str;
2451 }
2452
2453 /*
2454 * Then pack them into a proper txt record...
2455 */
2456
2457 return (dnssdPackTxtRecord(txt_len, keyvalue, i));
2458 }
2459
2460
2461 /*
2462 * 'dnssdComparePrinters()' - Compare the registered names of two printers.
2463 */
2464
2465 static int /* O - Result of comparison */
2466 dnssdComparePrinters(cupsd_printer_t *a,/* I - First printer */
2467 cupsd_printer_t *b)/* I - Second printer */
2468 {
2469 return (strcasecmp(a->reg_name, b->reg_name));
2470 }
2471
2472
2473 /*
2474 * 'dnssdDeregisterPrinter()' - Stop sending broadcast information for a
2475 * printer.
2476 */
2477
2478 static void
2479 dnssdDeregisterPrinter(
2480 cupsd_printer_t *p) /* I - Printer */
2481 {
2482 cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdDeregisterPrinter(%s)", p->name);
2483
2484 /*
2485 * Closing the socket deregisters the service
2486 */
2487
2488 if (p->ipp_ref)
2489 {
2490 DNSServiceRefDeallocate(p->ipp_ref);
2491 p->ipp_ref = NULL;
2492 }
2493
2494 if (p->ipp_txt)
2495 {
2496 /*
2497 * p->ipp_txt is malloc'd, not _cupsStrAlloc'd...
2498 */
2499
2500 free(p->ipp_txt);
2501 p->ipp_txt = NULL;
2502 }
2503
2504 if (p->printer_ref)
2505 {
2506 DNSServiceRefDeallocate(p->printer_ref);
2507 p->printer_ref = NULL;
2508 }
2509
2510 if (p->printer_txt)
2511 {
2512 /*
2513 * p->printer_txt is malloc'd, not _cupsStrAlloc'd...
2514 */
2515
2516 free(p->printer_txt);
2517 p->printer_txt = NULL;
2518 }
2519
2520 /*
2521 * Remove the printer from the array of DNS-SD printers, then clear the
2522 * registered name...
2523 */
2524
2525 cupsArrayRemove(DNSSDPrinters, p);
2526 cupsdClearString(&p->reg_name);
2527 }
2528
2529
2530 /*
2531 * 'dnssdPackTxtRecord()' - Pack an array of key/value pairs into the
2532 * TXT record format.
2533 */
2534
2535 static char * /* O - TXT record */
2536 dnssdPackTxtRecord(int *txt_len, /* O - TXT record length */
2537 char *keyvalue[][2], /* I - Table of key value pairs */
2538 int count) /* I - Items in table */
2539 {
2540 int i; /* Looping var */
2541 int length; /* Length of TXT record */
2542 int length2; /* Length of value */
2543 char *txtRecord; /* TXT record buffer */
2544 char *cursor; /* Looping pointer */
2545
2546
2547 /*
2548 * Calculate the buffer size
2549 */
2550
2551 for (length = i = 0; i < count; i++)
2552 length += 1 + strlen(keyvalue[i][0]) +
2553 (keyvalue[i][1] ? 1 + strlen(keyvalue[i][1]) : 0);
2554
2555 /*
2556 * Allocate and fill it
2557 */
2558
2559 txtRecord = malloc(length);
2560 if (txtRecord)
2561 {
2562 *txt_len = length;
2563
2564 for (cursor = txtRecord, i = 0; i < count; i++)
2565 {
2566 /*
2567 * Drop in the p-string style length byte followed by the data
2568 */
2569
2570 length = strlen(keyvalue[i][0]);
2571 length2 = keyvalue[i][1] ? 1 + strlen(keyvalue[i][1]) : 0;
2572
2573 *cursor++ = (unsigned char)(length + length2);
2574
2575 memcpy(cursor, keyvalue[i][0], length);
2576 cursor += length;
2577
2578 if (length2)
2579 {
2580 length2 --;
2581 *cursor++ = '=';
2582 memcpy(cursor, keyvalue[i][1], length2);
2583 cursor += length2;
2584 }
2585 }
2586 }
2587
2588 return (txtRecord);
2589 }
2590
2591
2592 /*
2593 * 'dnssdRegisterCallback()' - DNSServiceRegister callback.
2594 */
2595
2596 static void
2597 dnssdRegisterCallback(
2598 DNSServiceRef sdRef, /* I - DNS Service reference */
2599 DNSServiceFlags flags, /* I - Reserved for future use */
2600 DNSServiceErrorType errorCode, /* I - Error code */
2601 const char *name, /* I - Service name */
2602 const char *regtype, /* I - Service type */
2603 const char *domain, /* I - Domain. ".local" for now */
2604 void *context) /* I - User-defined context */
2605 {
2606 cupsd_printer_t *p = (cupsd_printer_t *)context;
2607 /* Current printer */
2608
2609
2610 cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterCallback(%s, %s) for %s (%s)",
2611 name, regtype, p ? p->name : "Web Interface",
2612 p ? (p->reg_name ? p->reg_name : "(null)") : "NA");
2613
2614 if (errorCode)
2615 {
2616 cupsdLogMessage(CUPSD_LOG_ERROR,
2617 "DNSServiceRegister failed with error %d", (int)errorCode);
2618 return;
2619 }
2620 else if (p && (!p->reg_name || strcasecmp(name, p->reg_name)))
2621 {
2622 cupsdLogMessage(CUPSD_LOG_INFO, "Using service name \"%s\" for \"%s\"",
2623 name, p->name);
2624
2625 cupsArrayRemove(DNSSDPrinters, p);
2626 cupsdSetString(&p->reg_name, name);
2627 cupsArrayAdd(DNSSDPrinters, p);
2628
2629 LastEvent |= CUPSD_EVENT_PRINTER_MODIFIED;
2630 }
2631 }
2632
2633
2634 /*
2635 * 'dnssdRegisterPrinter()' - Start sending broadcast information for a printer
2636 * or update the broadcast contents.
2637 */
2638
2639 static void
2640 dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
2641 {
2642 DNSServiceErrorType se; /* dnssd errors */
2643 char *ipp_txt, /* IPP TXT record buffer */
2644 *printer_txt, /* LPD TXT record buffer */
2645 name[1024], /* Service name */
2646 *nameptr; /* Pointer into name */
2647 int ipp_len, /* IPP TXT record length */
2648 printer_len; /* LPD TXT record length */
2649 const char *regtype; /* Registration type */
2650
2651
2652 cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterPrinter(%s) %s", p->name,
2653 !p->ipp_ref ? "new" : "update");
2654
2655 /*
2656 * If per-printer sharing was just disabled make sure we're not
2657 * registered before returning.
2658 */
2659
2660 if (!p->shared)
2661 {
2662 dnssdDeregisterPrinter(p);
2663 return;
2664 }
2665
2666 /*
2667 * The registered name takes the form of "<printer-info> @ <computer name>"...
2668 */
2669
2670 if (p->info && strlen(p->info) > 0)
2671 {
2672 if (DNSSDComputerName)
2673 snprintf(name, sizeof(name), "%s @ %s", p->info, DNSSDComputerName);
2674 else
2675 strlcpy(name, p->info, sizeof(name));
2676 }
2677 else if (DNSSDComputerName)
2678 snprintf(name, sizeof(name), "%s @ %s", p->name, DNSSDComputerName);
2679 else
2680 strlcpy(name, p->name, sizeof(name));
2681
2682 /*
2683 * If an existing printer was renamed, unregister it and start over...
2684 */
2685
2686 if (p->reg_name && strcmp(p->reg_name, name))
2687 dnssdDeregisterPrinter(p);
2688
2689 if (!p->reg_name)
2690 {
2691 cupsdSetString(&p->reg_name, name);
2692 cupsArrayAdd(DNSSDPrinters, p);
2693 }
2694
2695 /*
2696 * Register IPP and (optionally) LPD...
2697 */
2698
2699 ipp_len = 0; /* anti-compiler-warning-code */
2700 ipp_txt = dnssdBuildTxtRecord(&ipp_len, p, 0);
2701
2702 if (p->ipp_ref &&
2703 (ipp_len != p->ipp_len || memcmp(ipp_txt, p->ipp_txt, ipp_len)))
2704 {
2705 /*
2706 * Update the existing registration...
2707 */
2708
2709 /* A TTL of 0 means use record's original value (Radar 3176248) */
2710 if ((se = DNSServiceUpdateRecord(p->ipp_ref, NULL, 0, ipp_len, ipp_txt,
2711 0)) == kDNSServiceErr_NoError)
2712 {
2713 if (p->ipp_txt)
2714 free(p->ipp_txt);
2715
2716 p->ipp_txt = ipp_txt;
2717 p->ipp_len = ipp_len;
2718 ipp_txt = NULL;
2719 }
2720 else
2721 {
2722 /*
2723 * Failed to update record, lets close this reference and move on...
2724 */
2725
2726 cupsdLogMessage(CUPSD_LOG_ERROR,
2727 "Unable to update IPP DNS-SD record for %s - %d", p->name,
2728 se);
2729
2730 DNSServiceRefDeallocate(p->ipp_ref);
2731 p->ipp_ref = NULL;
2732 }
2733 }
2734
2735 if (!p->ipp_ref)
2736 {
2737 /*
2738 * Initial registration. Use the _fax subtype for fax queues...
2739 */
2740
2741 regtype = (p->type & CUPS_PRINTER_FAX) ? "_fax-ipp._tcp" :
2742 "_ipp._tcp,_cups";
2743
2744 cupsdLogMessage(CUPSD_LOG_DEBUG,
2745 "Registering DNS-SD printer %s with name \"%s\" and "
2746 "type \"%s\"", p->name, name, regtype);
2747
2748 /*
2749 * Register the queue, dropping characters as needed until we succeed...
2750 */
2751
2752 nameptr = name + strlen(name);
2753
2754 do
2755 {
2756 p->ipp_ref = DNSSDRef;
2757 if ((se = DNSServiceRegister(&p->ipp_ref, kDNSServiceFlagsShareConnection,
2758 0, name, regtype, NULL, NULL,
2759 htons(DNSSDPort), ipp_len, ipp_txt,
2760 dnssdRegisterCallback,
2761 p)) == kDNSServiceErr_BadParam)
2762 {
2763 /*
2764 * Name is too long, drop trailing characters, taking into account
2765 * UTF-8 encoding...
2766 */
2767
2768 nameptr --;
2769
2770 while (nameptr > name && (*nameptr & 0xc0) == 0x80)
2771 nameptr --;
2772
2773 if (nameptr > name)
2774 *nameptr = '\0';
2775 }
2776 }
2777 while (se == kDNSServiceErr_BadParam && nameptr > name);
2778
2779 if (se == kDNSServiceErr_NoError)
2780 {
2781 p->ipp_txt = ipp_txt;
2782 p->ipp_len = ipp_len;
2783 ipp_txt = NULL;
2784 }
2785 else
2786 cupsdLogMessage(CUPSD_LOG_WARN,
2787 "DNS-SD IPP registration of \"%s\" failed: %d",
2788 p->name, se);
2789 }
2790
2791 if (ipp_txt)
2792 free(ipp_txt);
2793
2794 if (BrowseLocalProtocols & BROWSE_LPD)
2795 {
2796 printer_len = 0; /* anti-compiler-warning-code */
2797 printer_txt = dnssdBuildTxtRecord(&printer_len, p, 1);
2798
2799 if (p->printer_ref &&
2800 (printer_len != p->printer_len ||
2801 memcmp(printer_txt, p->printer_txt, printer_len)))
2802 {
2803 /*
2804 * Update the existing registration...
2805 */
2806
2807 /* A TTL of 0 means use record's original value (Radar 3176248) */
2808 if ((se = DNSServiceUpdateRecord(p->printer_ref, NULL, 0, printer_len,
2809 printer_txt,
2810 0)) == kDNSServiceErr_NoError)
2811 {
2812 if (p->printer_txt)
2813 free(p->printer_txt);
2814
2815 p->printer_txt = printer_txt;
2816 p->printer_len = printer_len;
2817 printer_txt = NULL;
2818 }
2819 else
2820 {
2821 /*
2822 * Failed to update record, lets close this reference and move on...
2823 */
2824
2825 cupsdLogMessage(CUPSD_LOG_ERROR,
2826 "Unable to update LPD DNS-SD record for %s - %d",
2827 p->name, se);
2828
2829 DNSServiceRefDeallocate(p->printer_ref);
2830 p->printer_ref = NULL;
2831 }
2832 }
2833
2834 if (!p->printer_ref)
2835 {
2836 /*
2837 * Initial registration...
2838 */
2839
2840 cupsdLogMessage(CUPSD_LOG_DEBUG,
2841 "Registering DNS-SD printer %s with name \"%s\" and "
2842 "type \"_printer._tcp\"", p->name, name);
2843
2844 p->printer_ref = DNSSDRef;
2845 if ((se = DNSServiceRegister(&p->printer_ref,
2846 kDNSServiceFlagsShareConnection,
2847 0, name, "_printer._tcp", NULL, NULL,
2848 htons(515), printer_len, printer_txt,
2849 dnssdRegisterCallback,
2850 p)) == kDNSServiceErr_NoError)
2851 {
2852 p->printer_txt = printer_txt;
2853 p->printer_len = printer_len;
2854 printer_txt = NULL;
2855 }
2856 else
2857 cupsdLogMessage(CUPSD_LOG_WARN,
2858 "DNS-SD LPD registration of \"%s\" failed: %d",
2859 p->name, se);
2860 }
2861
2862 if (printer_txt)
2863 free(printer_txt);
2864 }
2865 }
2866
2867
2868 /*
2869 * 'dnssdStop()' - Stop all DNS-SD registrations.
2870 */
2871
2872 static void
2873 dnssdStop(void)
2874 {
2875 cupsd_printer_t *p; /* Current printer */
2876
2877
2878 /*
2879 * De-register the individual printers
2880 */
2881
2882 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
2883 p;
2884 p = (cupsd_printer_t *)cupsArrayNext(Printers))
2885 dnssdDeregisterPrinter(p);
2886
2887 /*
2888 * Shutdown the rest of the service refs...
2889 */
2890
2891 if (WebIFRef)
2892 {
2893 DNSServiceRefDeallocate(WebIFRef);
2894 WebIFRef = NULL;
2895 }
2896
2897 if (RemoteRef)
2898 {
2899 DNSServiceRefDeallocate(RemoteRef);
2900 RemoteRef = NULL;
2901 }
2902
2903 cupsdRemoveSelect(DNSServiceRefSockFD(DNSSDRef));
2904
2905 DNSServiceRefDeallocate(DNSSDRef);
2906 DNSSDRef = NULL;
2907
2908 cupsArrayDelete(DNSSDPrinters);
2909 DNSSDPrinters = NULL;
2910
2911 DNSSDPort = 0;
2912 }
2913
2914
2915 /*
2916 * 'dnssdUpdate()' - Handle DNS-SD queries.
2917 */
2918
2919 static void
2920 dnssdUpdate(void)
2921 {
2922 DNSServiceErrorType sdErr; /* Service discovery error */
2923
2924
2925 if ((sdErr = DNSServiceProcessResult(DNSSDRef)) != kDNSServiceErr_NoError)
2926 {
2927 cupsdLogMessage(CUPSD_LOG_ERROR,
2928 "DNS Service Discovery registration error %d!",
2929 sdErr);
2930 dnssdStop();
2931 }
2932 }
2933 #endif /* HAVE_DNSSD */
2934
2935
2936 /*
2937 * 'get_auth_info_required()' - Get the auth-info-required value to advertise.
2938 */
2939
2940 static char * /* O - String or NULL if none */
2941 get_auth_info_required(
2942 cupsd_printer_t *p, /* I - Printer */
2943 char *buffer, /* I - Value buffer */
2944 size_t bufsize) /* I - Size of value buffer */
2945 {
2946 cupsd_location_t *auth; /* Pointer to authentication element */
2947 char resource[1024]; /* Printer/class resource path */
2948
2949
2950 /*
2951 * If auth-info-required is set for this printer, return that...
2952 */
2953
2954 if (p->num_auth_info_required > 0 && strcmp(p->auth_info_required[0], "none"))
2955 {
2956 int i; /* Looping var */
2957 char *bufptr; /* Pointer into buffer */
2958
2959 for (i = 0, bufptr = buffer; i < p->num_auth_info_required; i ++)
2960 {
2961 if (bufptr >= (buffer + bufsize - 2))
2962 break;
2963
2964 if (i)
2965 *bufptr++ = ',';
2966
2967 strlcpy(bufptr, p->auth_info_required[i], bufsize - (bufptr - buffer));
2968 bufptr += strlen(bufptr);
2969 }
2970
2971 return (buffer);
2972 }
2973
2974 /*
2975 * Figure out the authentication data requirements to advertise...
2976 */
2977
2978 if (p->type & CUPS_PRINTER_CLASS)
2979 snprintf(resource, sizeof(resource), "/classes/%s", p->name);
2980 else
2981 snprintf(resource, sizeof(resource), "/printers/%s", p->name);
2982
2983 if ((auth = cupsdFindBest(resource, HTTP_POST)) == NULL ||
2984 auth->type == CUPSD_AUTH_NONE)
2985 auth = cupsdFindPolicyOp(p->op_policy_ptr, IPP_PRINT_JOB);
2986
2987 if (auth)
2988 {
2989 int auth_type; /* Authentication type */
2990
2991 if ((auth_type = auth->type) == CUPSD_AUTH_DEFAULT)
2992 auth_type = DefaultAuthType;
2993
2994 switch (auth_type)
2995 {
2996 case CUPSD_AUTH_NONE :
2997 return (NULL);
2998
2999 case CUPSD_AUTH_NEGOTIATE :
3000 strlcpy(buffer, "negotiate", bufsize);
3001 break;
3002
3003 default :
3004 strlcpy(buffer, "username,password", bufsize);
3005 break;
3006 }
3007
3008 return (buffer);
3009 }
3010
3011 return (NULL);
3012 }
3013
3014
3015 #ifdef __APPLE__
3016 /*
3017 * 'get_hostconfig()' - Get an /etc/hostconfig service setting.
3018 */
3019
3020 static int /* O - 1 for YES or AUTOMATIC, 0 for NO */
3021 get_hostconfig(const char *name) /* I - Name of service */
3022 {
3023 cups_file_t *fp; /* Hostconfig file */
3024 char line[1024], /* Line from file */
3025 *ptr; /* Pointer to value */
3026 int state = 1; /* State of service */
3027
3028
3029 /*
3030 * Try opening the /etc/hostconfig file; if we can't open it, assume that
3031 * the service is enabled/auto.
3032 */
3033
3034 if ((fp = cupsFileOpen("/etc/hostconfig", "r")) != NULL)
3035 {
3036 /*
3037 * Read lines from the file until we find the service...
3038 */
3039
3040 while (cupsFileGets(fp, line, sizeof(line)))
3041 {
3042 if (line[0] == '#' || (ptr = strchr(line, '=')) == NULL)
3043 continue;
3044
3045 *ptr++ = '\0';
3046
3047 if (!strcasecmp(line, name))
3048 {
3049 /*
3050 * Found the service, see if it is set to "-NO-"...
3051 */
3052
3053 if (!strncasecmp(ptr, "-NO-", 4))
3054 state = 0;
3055 break;
3056 }
3057 }
3058
3059 cupsFileClose(fp);
3060 }
3061
3062 return (state);
3063 }
3064 #endif /* __APPLE__ */
3065
3066
3067 /*
3068 * 'is_local_queue()' - Determine whether the URI points at a local queue.
3069 */
3070
3071 static int /* O - 1 = local, 0 = remote, -1 = bad URI */
3072 is_local_queue(const char *uri, /* I - Printer URI */
3073 char *host, /* O - Host string */
3074 int hostlen, /* I - Length of host buffer */
3075 char *resource, /* O - Resource string */
3076 int resourcelen) /* I - Length of resource buffer */
3077 {
3078 char scheme[32], /* Scheme portion of URI */
3079 username[HTTP_MAX_URI]; /* Username portion of URI */
3080 int port; /* Port portion of URI */
3081 cupsd_netif_t *iface; /* Network interface */
3082
3083
3084 /*
3085 * Pull the URI apart to see if this is a local or remote printer...
3086 */
3087
3088 if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, sizeof(scheme),
3089 username, sizeof(username), host, hostlen, &port,
3090 resource, resourcelen) < HTTP_URI_OK)
3091 return (-1);
3092
3093 DEBUG_printf(("host=\"%s\", ServerName=\"%s\"\n", host, ServerName));
3094
3095 /*
3096 * Check for local server addresses...
3097 */
3098
3099 if (!strcasecmp(host, ServerName) && port == LocalPort)
3100 return (1);
3101
3102 cupsdNetIFUpdate();
3103
3104 for (iface = (cupsd_netif_t *)cupsArrayFirst(NetIFList);
3105 iface;
3106 iface = (cupsd_netif_t *)cupsArrayNext(NetIFList))
3107 if (!strcasecmp(host, iface->hostname) && port == iface->port)
3108 return (1);
3109
3110 /*
3111 * If we get here, the printer is remote...
3112 */
3113
3114 return (0);
3115 }
3116
3117
3118 /*
3119 * 'process_browse_data()' - Process new browse data.
3120 */
3121
3122 static void
3123 process_browse_data(
3124 const char *uri, /* I - URI of printer/class */
3125 const char *host, /* I - Hostname */
3126 const char *resource, /* I - Resource path */
3127 cups_ptype_t type, /* I - Printer type */
3128 ipp_pstate_t state, /* I - Printer state */
3129 const char *location, /* I - Printer location */
3130 const char *info, /* I - Printer information */
3131 const char *make_model, /* I - Printer make and model */
3132 int num_attrs, /* I - Number of attributes */
3133 cups_option_t *attrs) /* I - Attributes */
3134 {
3135 int i; /* Looping var */
3136 int update; /* Update printer attributes? */
3137 char finaluri[HTTP_MAX_URI], /* Final URI for printer */
3138 name[IPP_MAX_NAME], /* Name of printer */
3139 newname[IPP_MAX_NAME], /* New name of printer */
3140 *hptr, /* Pointer into hostname */
3141 *sptr; /* Pointer into ServerName */
3142 const char *shortname; /* Short queue name (queue) */
3143 char local_make_model[IPP_MAX_NAME];
3144 /* Local make and model */
3145 cupsd_printer_t *p; /* Printer information */
3146 const char *ipp_options, /* ipp-options value */
3147 *lease_duration; /* lease-duration value */
3148 int is_class; /* Is this queue a class? */
3149
3150
3151 cupsdLogMessage(CUPSD_LOG_DEBUG2,
3152 "process_browse_data(uri=\"%s\", host=\"%s\", "
3153 "resource=\"%s\", type=%x, state=%d, location=\"%s\", "
3154 "info=\"%s\", make_model=\"%s\", num_attrs=%d, attrs=%p)",
3155 uri, host, resource, type, state,
3156 location ? location : "(nil)", info ? info : "(nil)",
3157 make_model ? make_model : "(nil)", num_attrs, attrs);
3158
3159 /*
3160 * Determine if the URI contains any illegal characters in it...
3161 */
3162
3163 if (strncmp(uri, "ipp://", 6) || !host[0] ||
3164 (strncmp(resource, "/printers/", 10) &&
3165 strncmp(resource, "/classes/", 9)))
3166 {
3167 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad printer URI in browse data: %s", uri);
3168 return;
3169 }
3170
3171 if (strchr(resource, '?') ||
3172 (!strncmp(resource, "/printers/", 10) && strchr(resource + 10, '/')) ||
3173 (!strncmp(resource, "/classes/", 9) && strchr(resource + 9, '/')))
3174 {
3175 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad resource in browse data: %s",
3176 resource);
3177 return;
3178 }
3179
3180 /*
3181 * OK, this isn't a local printer; add any remote options...
3182 */
3183
3184 ipp_options = cupsGetOption("ipp-options", num_attrs, attrs);
3185
3186 if (BrowseRemoteOptions)
3187 {
3188 if (BrowseRemoteOptions[0] == '?')
3189 {
3190 /*
3191 * Override server-supplied options...
3192 */
3193
3194 snprintf(finaluri, sizeof(finaluri), "%s%s", uri, BrowseRemoteOptions);
3195 }
3196 else if (ipp_options)
3197 {
3198 /*
3199 * Combine the server and local options...
3200 */
3201
3202 snprintf(finaluri, sizeof(finaluri), "%s?%s+%s", uri, ipp_options,
3203 BrowseRemoteOptions);
3204 }
3205 else
3206 {
3207 /*
3208 * Just use the local options...
3209 */
3210
3211 snprintf(finaluri, sizeof(finaluri), "%s?%s", uri, BrowseRemoteOptions);
3212 }
3213
3214 uri = finaluri;
3215 }
3216 else if (ipp_options)
3217 {
3218 /*
3219 * Just use the server-supplied options...
3220 */
3221
3222 snprintf(finaluri, sizeof(finaluri), "%s?%s", uri, ipp_options);
3223 uri = finaluri;
3224 }
3225
3226 /*
3227 * See if we already have it listed in the Printers list, and add it if not...
3228 */
3229
3230 type |= CUPS_PRINTER_REMOTE | CUPS_PRINTER_DISCOVERED;
3231 type &= ~CUPS_PRINTER_IMPLICIT;
3232 update = 0;
3233 hptr = strchr(host, '.');
3234 sptr = strchr(ServerName, '.');
3235 is_class = type & CUPS_PRINTER_CLASS;
3236
3237 if (!ServerNameIsIP && sptr != NULL && hptr != NULL)
3238 {
3239 /*
3240 * Strip the common domain name components...
3241 */
3242
3243 while (hptr != NULL)
3244 {
3245 if (!strcasecmp(hptr, sptr))
3246 {
3247 *hptr = '\0';
3248 break;
3249 }
3250 else
3251 hptr = strchr(hptr + 1, '.');
3252 }
3253 }
3254
3255 if (is_class)
3256 {
3257 /*
3258 * Remote destination is a class...
3259 */
3260
3261 if (!strncmp(resource, "/classes/", 9))
3262 snprintf(name, sizeof(name), "%s@%s", resource + 9, host);
3263 else
3264 return;
3265
3266 shortname = resource + 9;
3267 }
3268 else
3269 {
3270 /*
3271 * Remote destination is a printer...
3272 */
3273
3274 if (!strncmp(resource, "/printers/", 10))
3275 snprintf(name, sizeof(name), "%s@%s", resource + 10, host);
3276 else
3277 return;
3278
3279 shortname = resource + 10;
3280 }
3281
3282 if (hptr && !*hptr)
3283 *hptr = '.'; /* Resource FQDN */
3284
3285 if ((p = cupsdFindDest(name)) == NULL && BrowseShortNames)
3286 {
3287 /*
3288 * Long name doesn't exist, try short name...
3289 */
3290
3291 cupsdLogMessage(CUPSD_LOG_DEBUG, "process_browse_data: %s not found...",
3292 name);
3293
3294 if ((p = cupsdFindDest(shortname)) == NULL)
3295 {
3296 /*
3297 * Short name doesn't exist, use it for this shared queue.
3298 */
3299
3300 cupsdLogMessage(CUPSD_LOG_DEBUG2, "process_browse_data: %s not found...",
3301 shortname);
3302 strlcpy(name, shortname, sizeof(name));
3303 }
3304 else
3305 {
3306 /*
3307 * Short name exists...
3308 */
3309
3310 cupsdLogMessage(CUPSD_LOG_DEBUG2,
3311 "process_browse_data: %s found, type=%x, hostname=%s...",
3312 shortname, p->type, p->hostname ? p->hostname : "(nil)");
3313
3314 if (p->type & CUPS_PRINTER_IMPLICIT)
3315 p = NULL; /* Don't replace implicit classes */
3316 else if (p->hostname && strcasecmp(p->hostname, host))
3317 {
3318 /*
3319 * Short name exists but is for a different host. If this is a remote
3320 * queue, rename it and use the long name...
3321 */
3322
3323 if (p->type & CUPS_PRINTER_REMOTE)
3324 {
3325 cupsdLogMessage(CUPSD_LOG_DEBUG,
3326 "Renamed remote %s \"%s\" to \"%s@%s\"...",
3327 is_class ? "class" : "printer", p->name, p->name,
3328 p->hostname);
3329 cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
3330 "%s \'%s\' deleted by directory services.",
3331 is_class ? "Class" : "Printer", p->name);
3332
3333 snprintf(newname, sizeof(newname), "%s@%s", p->name, p->hostname);
3334 cupsdRenamePrinter(p, newname);
3335
3336 cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
3337 "%s \'%s\' added by directory services.",
3338 is_class ? "Class" : "Printer", p->name);
3339 }
3340
3341 /*
3342 * Force creation with long name...
3343 */
3344
3345 p = NULL;
3346 }
3347 }
3348 }
3349 else if (p)
3350 cupsdLogMessage(CUPSD_LOG_DEBUG2,
3351 "process_browse_data: %s found, type=%x, hostname=%s...",
3352 name, p->type, p->hostname ? p->hostname : "(nil)");
3353
3354 if (!p)
3355 {
3356 /*
3357 * Queue doesn't exist; add it...
3358 */
3359
3360 if (is_class)
3361 p = cupsdAddClass(name);
3362 else
3363 p = cupsdAddPrinter(name);
3364
3365 if (!p)
3366 return;
3367
3368 cupsdClearString(&(p->hostname));
3369
3370 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added remote %s \"%s\"...",
3371 is_class ? "class" : "printer", name);
3372
3373 cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
3374 "%s \'%s\' added by directory services.",
3375 is_class ? "Class" : "Printer", name);
3376
3377 /*
3378 * Force the URI to point to the real server...
3379 */
3380
3381 p->type = type & ~CUPS_PRINTER_REJECTING;
3382 p->accepting = 1;
3383
3384 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP);
3385 }
3386
3387 if (!p->hostname)
3388 {
3389 /*
3390 * Hostname not set, so this must be a cached remote printer
3391 * that was created for a pending print job...
3392 */
3393
3394 cupsdSetString(&p->hostname, host);
3395 cupsdSetString(&p->uri, uri);
3396 cupsdSetString(&p->device_uri, uri);
3397 update = 1;
3398
3399 cupsdMarkDirty(CUPSD_DIRTY_REMOTE);
3400 }
3401
3402 /*
3403 * Update the state...
3404 */
3405
3406 p->state = state;
3407 p->browse_time = time(NULL);
3408
3409 if ((lease_duration = cupsGetOption("lease-duration", num_attrs,
3410 attrs)) != NULL)
3411 {
3412 /*
3413 * Grab the lease-duration for the browse data; anything less then 1
3414 * second or more than 1 week gets the default BrowseTimeout...
3415 */
3416
3417 i = atoi(lease_duration);
3418 if (i < 1 || i > 604800)
3419 i = BrowseTimeout;
3420
3421 p->browse_expire = p->browse_time + i;
3422 }
3423 else
3424 p->browse_expire = p->browse_time + BrowseTimeout;
3425
3426 if (type & CUPS_PRINTER_REJECTING)
3427 {
3428 type &= ~CUPS_PRINTER_REJECTING;
3429
3430 if (p->accepting)
3431 {
3432 update = 1;
3433 p->accepting = 0;
3434 }
3435 }
3436 else if (!p->accepting)
3437 {
3438 update = 1;
3439 p->accepting = 1;
3440 }
3441
3442 if (p->type != type)
3443 {
3444 p->type = type;
3445 update = 1;
3446 }
3447
3448 if (location && (!p->location || strcmp(p->location, location)))
3449 {
3450 cupsdSetString(&p->location, location);
3451 update = 1;
3452 }
3453
3454 if (info && (!p->info || strcmp(p->info, info)))
3455 {
3456 cupsdSetString(&p->info, info);
3457 update = 1;
3458
3459 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
3460 }
3461
3462 if (!make_model || !make_model[0])
3463 {
3464 if (is_class)
3465 snprintf(local_make_model, sizeof(local_make_model),
3466 "Remote Class on %s", host);
3467 else
3468 snprintf(local_make_model, sizeof(local_make_model),
3469 "Remote Printer on %s", host);
3470 }
3471 else
3472 snprintf(local_make_model, sizeof(local_make_model),
3473 "%s on %s", make_model, host);
3474
3475 if (!p->make_model || strcmp(p->make_model, local_make_model))
3476 {
3477 cupsdSetString(&p->make_model, local_make_model);
3478 update = 1;
3479 }
3480
3481 if (p->num_options)
3482 {
3483 if (!update && !(type & CUPS_PRINTER_DELETE))
3484 {
3485 /*
3486 * See if we need to update the attributes...
3487 */
3488
3489 if (p->num_options != num_attrs)
3490 update = 1;
3491 else
3492 {
3493 for (i = 0; i < num_attrs; i ++)
3494 if (strcmp(attrs[i].name, p->options[i].name) ||
3495 (!attrs[i].value != !p->options[i].value) ||
3496 (attrs[i].value && strcmp(attrs[i].value, p->options[i].value)))
3497 {
3498 update = 1;
3499 break;
3500 }
3501 }
3502 }
3503
3504 /*
3505 * Free the old options...
3506 */
3507
3508 cupsFreeOptions(p->num_options, p->options);
3509 }
3510
3511 p->num_options = num_attrs;
3512 p->options = attrs;
3513
3514 if (type & CUPS_PRINTER_DELETE)
3515 {
3516 cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
3517 "%s \'%s\' deleted by directory services.",
3518 is_class ? "Class" : "Printer", p->name);
3519
3520 cupsdExpireSubscriptions(p, NULL);
3521
3522 cupsdDeletePrinter(p, 1);
3523 cupsdUpdateImplicitClasses();
3524 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
3525 }
3526 else if (update)
3527 {
3528 cupsdSetPrinterAttrs(p);
3529 cupsdUpdateImplicitClasses();
3530 }
3531
3532 /*
3533 * See if we have a default printer... If not, make the first network
3534 * default printer the default.
3535 */
3536
3537 if (DefaultPrinter == NULL && Printers != NULL && UseNetworkDefault)
3538 {
3539 /*
3540 * Find the first network default printer and use it...
3541 */
3542
3543 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
3544 p;
3545 p = (cupsd_printer_t *)cupsArrayNext(Printers))
3546 if (p->type & CUPS_PRINTER_DEFAULT)
3547 {
3548 DefaultPrinter = p;
3549 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
3550 break;
3551 }
3552 }
3553
3554 /*
3555 * Do auto-classing if needed...
3556 */
3557
3558 process_implicit_classes();
3559 }
3560
3561
3562 /*
3563 * 'process_implicit_classes()' - Create/update implicit classes as needed.
3564 */
3565
3566 static void
3567 process_implicit_classes(void)
3568 {
3569 int i; /* Looping var */
3570 int update; /* Update printer attributes? */
3571 char name[IPP_MAX_NAME], /* Name of printer */
3572 *hptr; /* Pointer into hostname */
3573 cupsd_printer_t *p, /* Printer information */
3574 *pclass, /* Printer class */
3575 *first; /* First printer in class */
3576 int offset, /* Offset of name */
3577 len; /* Length of name */
3578
3579
3580 if (!ImplicitClasses || !Printers)
3581 return;
3582
3583 /*
3584 * Loop through all available printers and create classes as needed...
3585 */
3586
3587 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers), len = 0, offset = 0,
3588 update = 0, pclass = NULL, first = NULL;
3589 p != NULL;
3590 p = (cupsd_printer_t *)cupsArrayNext(Printers))
3591 {
3592 /*
3593 * Skip implicit classes...
3594 */
3595
3596 if (p->type & CUPS_PRINTER_IMPLICIT)
3597 {
3598 len = 0;
3599 continue;
3600 }
3601
3602 /*
3603 * If len == 0, get the length of this printer name up to the "@"
3604 * sign (if any).
3605 */
3606
3607 cupsArraySave(Printers);
3608
3609 if (len > 0 &&
3610 !strncasecmp(p->name, name + offset, len) &&
3611 (p->name[len] == '\0' || p->name[len] == '@'))
3612 {
3613 /*
3614 * We have more than one printer with the same name; see if
3615 * we have a class, and if this printer is a member...
3616 */
3617
3618 if (pclass && strcasecmp(pclass->name, name))
3619 {
3620 if (update)
3621 cupsdSetPrinterAttrs(pclass);
3622
3623 update = 0;
3624 pclass = NULL;
3625 }
3626
3627 if (!pclass && (pclass = cupsdFindDest(name)) == NULL)
3628 {
3629 /*
3630 * Need to add the class...
3631 */
3632
3633 pclass = cupsdAddPrinter(name);
3634 cupsArrayAdd(ImplicitPrinters, pclass);
3635
3636 pclass->type |= CUPS_PRINTER_IMPLICIT;
3637 pclass->accepting = 1;
3638 pclass->state = IPP_PRINTER_IDLE;
3639
3640 cupsdSetString(&pclass->location, p->location);
3641 cupsdSetString(&pclass->info, p->info);
3642
3643 cupsdSetString(&pclass->job_sheets[0], p->job_sheets[0]);
3644 cupsdSetString(&pclass->job_sheets[1], p->job_sheets[1]);
3645
3646 update = 1;
3647
3648 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
3649
3650 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added implicit class \"%s\"...",
3651 name);
3652 cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
3653 "Implicit class \'%s\' added by directory services.",
3654 name);
3655 }
3656
3657 if (first != NULL)
3658 {
3659 for (i = 0; i < pclass->num_printers; i ++)
3660 if (pclass->printers[i] == first)
3661 break;
3662
3663 if (i >= pclass->num_printers)
3664 {
3665 first->in_implicit_class = 1;
3666 cupsdAddPrinterToClass(pclass, first);
3667 }
3668
3669 first = NULL;
3670 }
3671
3672 for (i = 0; i < pclass->num_printers; i ++)
3673 if (pclass->printers[i] == p)
3674 break;
3675
3676 if (i >= pclass->num_printers)
3677 {
3678 p->in_implicit_class = 1;
3679 cupsdAddPrinterToClass(pclass, p);
3680 update = 1;
3681 }
3682 }
3683 else
3684 {
3685 /*
3686 * First time around; just get name length and mark it as first
3687 * in the list...
3688 */
3689
3690 if ((hptr = strchr(p->name, '@')) != NULL)
3691 len = hptr - p->name;
3692 else
3693 len = strlen(p->name);
3694
3695 if (len >= sizeof(name))
3696 {
3697 /*
3698 * If the printer name length somehow is greater than we normally allow,
3699 * skip this printer...
3700 */
3701
3702 len = 0;
3703 cupsArrayRestore(Printers);
3704 continue;
3705 }
3706
3707 strncpy(name, p->name, len);
3708 name[len] = '\0';
3709 offset = 0;
3710
3711 if ((first = (hptr ? cupsdFindDest(name) : p)) != NULL &&
3712 !(first->type & CUPS_PRINTER_IMPLICIT))
3713 {
3714 /*
3715 * Can't use same name as a local printer; add "Any" to the
3716 * front of the name, unless we have explicitly disabled
3717 * the "ImplicitAnyClasses"...
3718 */
3719
3720 if (ImplicitAnyClasses && len < (sizeof(name) - 4))
3721 {
3722 /*
3723 * Add "Any" to the class name...
3724 */
3725
3726 strcpy(name, "Any");
3727 strncpy(name + 3, p->name, len);
3728 name[len + 3] = '\0';
3729 offset = 3;
3730 }
3731 else
3732 {
3733 /*
3734 * Don't create an implicit class if we have a local printer
3735 * with the same name...
3736 */
3737
3738 len = 0;
3739 cupsArrayRestore(Printers);
3740 continue;
3741 }
3742 }
3743
3744 first = p;
3745 }
3746
3747 cupsArrayRestore(Printers);
3748 }
3749
3750 /*
3751 * Update the last printer class as needed...
3752 */
3753
3754 if (pclass && update)
3755 cupsdSetPrinterAttrs(pclass);
3756 }
3757
3758
3759 /*
3760 * 'send_cups_browse()' - Send new browsing information using the CUPS
3761 * protocol.
3762 */
3763
3764 static void
3765 send_cups_browse(cupsd_printer_t *p) /* I - Printer to send */
3766 {
3767 int i; /* Looping var */
3768 cups_ptype_t type; /* Printer type */
3769 cupsd_dirsvc_addr_t *b; /* Browse address */
3770 int bytes; /* Length of packet */
3771 char packet[1453], /* Browse data packet */
3772 uri[1024], /* Printer URI */
3773 location[1024], /* printer-location */
3774 info[1024], /* printer-info */
3775 make_model[1024],
3776 /* printer-make-and-model */
3777 air[1024]; /* auth-info-required */
3778 cupsd_netif_t *iface; /* Network interface */
3779
3780
3781 /*
3782 * Figure out the printer type value...
3783 */
3784
3785 type = p->type | CUPS_PRINTER_REMOTE;
3786
3787 if (!p->accepting)
3788 type |= CUPS_PRINTER_REJECTING;
3789
3790 if (p == DefaultPrinter)
3791 type |= CUPS_PRINTER_DEFAULT;
3792
3793 /*
3794 * Remove quotes from printer-info, printer-location, and
3795 * printer-make-and-model attributes...
3796 */
3797
3798 dequote(location, p->location, sizeof(location));
3799 dequote(info, p->info, sizeof(info));
3800
3801 if (p->make_model)
3802 dequote(make_model, p->make_model, sizeof(make_model));
3803 else if (p->type & CUPS_PRINTER_CLASS)
3804 {
3805 if (p->num_printers > 0 && p->printers[0]->make_model)
3806 strlcpy(make_model, p->printers[0]->make_model, sizeof(make_model));
3807 else
3808 strlcpy(make_model, "Local Printer Class", sizeof(make_model));
3809 }
3810 else if (p->raw)
3811 strlcpy(make_model, "Local Raw Printer", sizeof(make_model));
3812 else
3813 strlcpy(make_model, "Local System V Printer", sizeof(make_model));
3814
3815 if (get_auth_info_required(p, packet, sizeof(packet)))
3816 snprintf(air, sizeof(air), " auth-info-required=%s", packet);
3817 else
3818 air[0] = '\0';
3819
3820 /*
3821 * Send a packet to each browse address...
3822 */
3823
3824 for (i = NumBrowsers, b = Browsers; i > 0; i --, b ++)
3825 if (b->iface[0])
3826 {
3827 /*
3828 * Send the browse packet to one or more interfaces...
3829 */
3830
3831 if (!strcmp(b->iface, "*"))
3832 {
3833 /*
3834 * Send to all local interfaces...
3835 */
3836
3837 cupsdNetIFUpdate();
3838
3839 for (iface = (cupsd_netif_t *)cupsArrayFirst(NetIFList);
3840 iface;
3841 iface = (cupsd_netif_t *)cupsArrayNext(NetIFList))
3842 {
3843 /*
3844 * Only send to local, IPv4 interfaces...
3845 */
3846
3847 if (!iface->is_local || !iface->port ||
3848 iface->address.addr.sa_family != AF_INET)
3849 continue;
3850
3851 httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
3852 iface->hostname, iface->port,
3853 (p->type & CUPS_PRINTER_CLASS) ? "/classes/%s" :
3854 "/printers/%s",
3855 p->name);
3856 snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\" %s%s\n",
3857 type, p->state, uri, location, info, make_model,
3858 p->browse_attrs ? p->browse_attrs : "", air);
3859
3860 bytes = strlen(packet);
3861
3862 cupsdLogMessage(CUPSD_LOG_DEBUG2,
3863 "cupsdSendBrowseList: (%d bytes to \"%s\") %s", bytes,
3864 iface->name, packet);
3865
3866 iface->broadcast.ipv4.sin_port = htons(BrowsePort);
3867
3868 sendto(BrowseSocket, packet, bytes, 0,
3869 (struct sockaddr *)&(iface->broadcast),
3870 httpAddrLength(&(iface->broadcast)));
3871 }
3872 }
3873 else if ((iface = cupsdNetIFFind(b->iface)) != NULL)
3874 {
3875 /*
3876 * Send to the named interface using the IPv4 address...
3877 */
3878
3879 while (iface)
3880 if (strcmp(b->iface, iface->name))
3881 {
3882 iface = NULL;
3883 break;
3884 }
3885 else if (iface->address.addr.sa_family == AF_INET && iface->port)
3886 break;
3887 else
3888 iface = (cupsd_netif_t *)cupsArrayNext(NetIFList);
3889
3890 if (iface)
3891 {
3892 httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
3893 iface->hostname, iface->port,
3894 (p->type & CUPS_PRINTER_CLASS) ? "/classes/%s" :
3895 "/printers/%s",
3896 p->name);
3897 snprintf(packet, sizeof(packet),
3898 "%x %x %s \"%s\" \"%s\" \"%s\" %s%s\n",
3899 type, p->state, uri, location, info, make_model,
3900 p->browse_attrs ? p->browse_attrs : "", air);
3901
3902 bytes = strlen(packet);
3903
3904 cupsdLogMessage(CUPSD_LOG_DEBUG2,
3905 "cupsdSendBrowseList: (%d bytes to \"%s\") %s", bytes,
3906 iface->name, packet);
3907
3908 iface->broadcast.ipv4.sin_port = htons(BrowsePort);
3909
3910 sendto(BrowseSocket, packet, bytes, 0,
3911 (struct sockaddr *)&(iface->broadcast),
3912 httpAddrLength(&(iface->broadcast)));
3913 }
3914 }
3915 }
3916 else
3917 {
3918 /*
3919 * Send the browse packet to the indicated address using
3920 * the default server name...
3921 */
3922
3923 snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\" %s%s\n",
3924 type, p->state, p->uri, location, info, make_model,
3925 p->browse_attrs ? p->browse_attrs : "", air);
3926
3927 bytes = strlen(packet);
3928 cupsdLogMessage(CUPSD_LOG_DEBUG2,
3929 "cupsdSendBrowseList: (%d bytes) %s", bytes, packet);
3930
3931 if (sendto(BrowseSocket, packet, bytes, 0,
3932 (struct sockaddr *)&(b->to),
3933 httpAddrLength(&(b->to))) <= 0)
3934 {
3935 /*
3936 * Unable to send browse packet, so remove this address from the
3937 * list...
3938 */
3939
3940 cupsdLogMessage(CUPSD_LOG_ERROR,
3941 "cupsdSendBrowseList: sendto failed for browser "
3942 "%d - %s.",
3943 (int)(b - Browsers + 1), strerror(errno));
3944
3945 if (i > 1)
3946 memmove(b, b + 1, (i - 1) * sizeof(cupsd_dirsvc_addr_t));
3947
3948 b --;
3949 NumBrowsers --;
3950 }
3951 }
3952 }
3953
3954
3955 #ifdef HAVE_LDAP
3956 /*
3957 * 'ldap_search_rec()' - LDAP Search with reconnect
3958 */
3959
3960 static int /* O - Return code */
3961 ldap_search_rec(LDAP *ld, /* I - LDAP handler */
3962 char *base, /* I - Base dn */
3963 int scope, /* I - LDAP search scope */
3964 char *filter, /* I - Filter string */
3965 char *attrs[], /* I - Requested attributes */
3966 int attrsonly, /* I - Return only attributes? */
3967 LDAPMessage **res) /* I - LDAP handler */
3968 {
3969 int rc; /* Return code */
3970 LDAP *ldr; /* LDAP handler after reconnect */
3971
3972
3973 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
3974 rc = ldap_search_ext_s(ld, base, scope, filter, attrs, attrsonly, NULL, NULL,
3975 NULL, LDAP_NO_LIMIT, res);
3976 # else
3977 rc = ldap_search_s(ld, base, scope, filter, attrs, attrsonly, res);
3978 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
3979
3980 /*
3981 * If we have a connection problem try again...
3982 */
3983
3984 if (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR)
3985 {
3986 cupsdLogMessage(CUPSD_LOG_ERROR,
3987 "LDAP search failed with status %d: %s",
3988 rc, ldap_err2string(rc));
3989 cupsdLogMessage(CUPSD_LOG_INFO,
3990 "We try the LDAP search once again after reconnecting to "
3991 "the server");
3992 ldap_freeres(*res);
3993 ldr = ldap_reconnect();
3994
3995 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
3996 rc = ldap_search_ext_s(ldr, base, scope, filter, attrs, attrsonly, NULL,
3997 NULL, NULL, LDAP_NO_LIMIT, res);
3998 # else
3999 rc = ldap_search_s(ldr, base, scope, filter, attrs, attrsonly, res);
4000 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4001 }
4002
4003 if (rc == LDAP_NO_SUCH_OBJECT)
4004 cupsdLogMessage(CUPSD_LOG_DEBUG,
4005 "ldap_search_rec: LDAP entry/object not found");
4006 else if (rc != LDAP_SUCCESS)
4007 cupsdLogMessage(CUPSD_LOG_ERROR,
4008 "ldap_search_rec: LDAP search failed with status %d: %s",
4009 rc, ldap_err2string(rc));
4010
4011 if (rc != LDAP_SUCCESS)
4012 ldap_freeres(*res);
4013
4014 return (rc);
4015 }
4016
4017
4018 /*
4019 * 'ldap_freeres()' - Free LDAPMessage
4020 */
4021
4022 static void
4023 ldap_freeres(LDAPMessage *entry) /* I - LDAP handler */
4024 {
4025 int rc; /* Return value */
4026
4027
4028 rc = ldap_msgfree(entry);
4029 if (rc == -1)
4030 cupsdLogMessage(CUPSD_LOG_WARN, "Can't free LDAPMessage!");
4031 else if (rc == 0)
4032 cupsdLogMessage(CUPSD_LOG_DEBUG2, "Freeing LDAPMessage was unnecessary");
4033 }
4034
4035
4036 /*
4037 * 'ldap_getval_char()' - Get first LDAP value and convert to string
4038 */
4039
4040 static int /* O - Return code */
4041 ldap_getval_firststring(
4042 LDAP *ld, /* I - LDAP handler */
4043 LDAPMessage *entry, /* I - LDAP message or search result */
4044 char *attr, /* I - the wanted attribute */
4045 char *retval, /* O - String to return */
4046 unsigned long maxsize) /* I - Max string size */
4047 {
4048 char *dn; /* LDAP DN */
4049 int rc = 0; /* Return code */
4050 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4051 struct berval **bval; /* LDAP value array */
4052 unsigned long size; /* String size */
4053
4054
4055 /*
4056 * Get value from LDAPMessage...
4057 */
4058
4059 if ((bval = ldap_get_values_len(ld, entry, attr)) == NULL)
4060 {
4061 rc = -1;
4062 dn = ldap_get_dn(ld, entry);
4063 cupsdLogMessage(CUPSD_LOG_WARN,
4064 "Failed to get LDAP value %s for %s!",
4065 attr, dn);
4066 ldap_memfree(dn);
4067 }
4068 else
4069 {
4070 /*
4071 * Check size and copy value into our string...
4072 */
4073
4074 size = maxsize;
4075 if (size < (bval[0]->bv_len + 1))
4076 {
4077 rc = -1;
4078 dn = ldap_get_dn(ld, entry);
4079 cupsdLogMessage(CUPSD_LOG_WARN,
4080 "Attribute %s is too big! (dn: %s)",
4081 attr, dn);
4082 ldap_memfree(dn);
4083 }
4084 else
4085 size = bval[0]->bv_len + 1;
4086
4087 strlcpy(retval, bval[0]->bv_val, size);
4088 ldap_value_free_len(bval);
4089 }
4090 # else
4091 char **value; /* LDAP value */
4092
4093 /*
4094 * Get value from LDAPMessage...
4095 */
4096
4097 if ((value = (char **)ldap_get_values(ld, entry, attr)) == NULL)
4098 {
4099 rc = -1;
4100 dn = ldap_get_dn(ld, entry);
4101 cupsdLogMessage(CUPSD_LOG_WARN, "Failed to get LDAP value %s for %s!",
4102 attr, dn);
4103 ldap_memfree(dn);
4104 }
4105 else
4106 {
4107 strlcpy(retval, *value, maxsize);
4108 ldap_value_free(value);
4109 }
4110 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4111
4112 return (rc);
4113 }
4114
4115
4116 /*
4117 * 'send_ldap_ou()' - Send LDAP ou registrations.
4118 */
4119
4120 static void
4121 send_ldap_ou(char *ou, /* I - Servername/ou to register */
4122 char *basedn, /* I - Our base dn */
4123 char *descstring) /* I - Description for ou */
4124 {
4125 int i; /* Looping var... */
4126 LDAPMod mods[3]; /* The 3 attributes we will be adding */
4127 LDAPMod *pmods[4]; /* Pointers to the 3 attributes + NULL */
4128 LDAPMessage *res, /* Search result token */
4129 *e; /* Current entry from search */
4130 int rc; /* LDAP status */
4131 int rcmod; /* LDAP status for modifications */
4132 char dn[1024], /* DN of the organizational unit we are adding */
4133 *desc[2], /* Change records */
4134 *ou_value[2];
4135 char old_desc[1024]; /* Old description */
4136 static const char * const objectClass_values[] =
4137 { /* The 2 objectClass's we use in */
4138 "top", /* our LDAP entries */
4139 "organizationalUnit",
4140 NULL
4141 };
4142 static const char * const ou_attrs[] =/* CUPS LDAP attributes */
4143 {
4144 "description",
4145 NULL
4146 };
4147
4148
4149 cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_ou: %s", ou);
4150
4151 /*
4152 * Reconnect if LDAP Handle is invalid...
4153 */
4154
4155 if (!BrowseLDAPHandle)
4156 {
4157 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4158 "send_ldap_ou: LDAP Handle is invalid. Try reconnecting...");
4159 ldap_reconnect();
4160 return;
4161 }
4162
4163 /*
4164 * Prepare ldap search...
4165 */
4166
4167 snprintf(dn, sizeof(dn), "ou=%s, %s", ou, basedn);
4168 cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_ou: dn=\"%s\"", dn);
4169
4170 ou_value[0] = ou;
4171 ou_value[1] = NULL;
4172 desc[0] = descstring;
4173 desc[1] = NULL;
4174
4175 mods[0].mod_type = "ou";
4176 mods[0].mod_values = ou_value;
4177 mods[1].mod_type = "description";
4178 mods[1].mod_values = desc;
4179 mods[2].mod_type = "objectClass";
4180 mods[2].mod_values = (char **)objectClass_values;
4181
4182 rc = ldap_search_rec(BrowseLDAPHandle, dn, LDAP_SCOPE_BASE, NULL,
4183 (char **)ou_attrs, 0, &res);
4184
4185 /*
4186 * If ldap search was not successfull then exit function...
4187 */
4188
4189 if (rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_OBJECT)
4190 return;
4191
4192 /*
4193 * Check if we need to insert or update the LDAP entry...
4194 */
4195
4196 if (ldap_count_entries(BrowseLDAPHandle, res) > 0 &&
4197 rc != LDAP_NO_SUCH_OBJECT)
4198 {
4199 /*
4200 * Printserver has already been registered, check if
4201 * modification is required...
4202 */
4203
4204 e = ldap_first_entry(BrowseLDAPHandle, res);
4205
4206 /*
4207 * Get the required values from this entry...
4208 */
4209
4210 if (ldap_getval_firststring(BrowseLDAPHandle, e, "description", old_desc,
4211 sizeof(old_desc)) == -1)
4212 old_desc[0] = '\0';
4213
4214 /*
4215 * Check if modification is required...
4216 */
4217
4218 if ( strcmp(desc[0], old_desc) == 0 )
4219 {
4220 /*
4221 * LDAP entry for the printer exists.
4222 * Printer has already been registered,
4223 * no modifications required...
4224 */
4225 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4226 "send_ldap_ou: No updates required for %s", ou);
4227 }
4228 else
4229 {
4230
4231 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4232 "send_ldap_ou: Replace entry for %s", ou);
4233
4234 for (i = 0; i < 3; i ++)
4235 {
4236 pmods[i] = mods + i;
4237 pmods[i]->mod_op = LDAP_MOD_REPLACE;
4238 }
4239 pmods[i] = NULL;
4240
4241 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4242 if ((rcmod = ldap_modify_ext_s(BrowseLDAPHandle, dn, pmods, NULL,
4243 NULL)) != LDAP_SUCCESS)
4244 # else
4245 if ((rcmod = ldap_modify_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
4246 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4247 {
4248 cupsdLogMessage(CUPSD_LOG_ERROR,
4249 "LDAP modify for %s failed with status %d: %s",
4250 ou, rcmod, ldap_err2string(rcmod));
4251 if (rcmod == LDAP_SERVER_DOWN)
4252 ldap_reconnect();
4253 }
4254 }
4255 }
4256 else
4257 {
4258 /*
4259 * Printserver has never been registered,
4260 * add registration...
4261 */
4262
4263 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4264 "send_ldap_ou: Add entry for %s", ou);
4265
4266 for (i = 0; i < 3; i ++)
4267 {
4268 pmods[i] = mods + i;
4269 pmods[i]->mod_op = LDAP_MOD_ADD;
4270 }
4271 pmods[i] = NULL;
4272
4273 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4274 if ((rcmod = ldap_add_ext_s(BrowseLDAPHandle, dn, pmods, NULL,
4275 NULL)) != LDAP_SUCCESS)
4276 # else
4277 if ((rcmod = ldap_add_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
4278 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4279 {
4280 cupsdLogMessage(CUPSD_LOG_ERROR,
4281 "LDAP add for %s failed with status %d: %s",
4282 ou, rcmod, ldap_err2string(rcmod));
4283 if (rcmod == LDAP_SERVER_DOWN)
4284 ldap_reconnect();
4285 }
4286 }
4287
4288 if (rc == LDAP_SUCCESS)
4289 ldap_freeres(res);
4290 }
4291
4292
4293 /*
4294 * 'send_ldap_browse()' - Send LDAP printer registrations.
4295 */
4296
4297 static void
4298 send_ldap_browse(cupsd_printer_t *p) /* I - Printer to register */
4299 {
4300 int i; /* Looping var... */
4301 LDAPMod mods[7]; /* The 7 attributes we will be adding */
4302 LDAPMod *pmods[8]; /* Pointers to the 7 attributes + NULL */
4303 LDAPMessage *res, /* Search result token */
4304 *e; /* Current entry from search */
4305 char *cn_value[2], /* Change records */
4306 *uri[2],
4307 *info[2],
4308 *location[2],
4309 *make_model[2],
4310 *type[2],
4311 typestring[255], /* String to hold printer-type */
4312 dn[1024]; /* DN of the printer we are adding */
4313 int rc; /* LDAP status */
4314 int rcmod; /* LDAP status for modifications */
4315 char old_uri[HTTP_MAX_URI], /* Printer URI */
4316 old_location[1024], /* Printer location */
4317 old_info[1024], /* Printer information */
4318 old_make_model[1024], /* Printer make and model */
4319 old_type_string[30]; /* Temporary type number */
4320 int old_type; /* Printer type */
4321 static const char * const objectClass_values[] =
4322 { /* The 3 objectClass's we use in */
4323 "top", /* our LDAP entries */
4324 "device",
4325 "cupsPrinter",
4326 NULL
4327 };
4328
4329
4330 cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_browse: %s", p->name);
4331
4332 /*
4333 * Exit function if LDAP updates has been disabled...
4334 */
4335
4336 if (!BrowseLDAPUpdate)
4337 {
4338 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4339 "send_ldap_browse: Updates temporary disabled; "
4340 "skipping...");
4341 return;
4342 }
4343
4344 /*
4345 * Reconnect if LDAP Handle is invalid...
4346 */
4347
4348 if (!BrowseLDAPHandle)
4349 {
4350 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4351 "send_ldap_browse: LDAP Handle is invalid. Try "
4352 "reconnecting...");
4353 ldap_reconnect();
4354 return;
4355 }
4356
4357 /*
4358 * Everything in ldap is ** so we fudge around it...
4359 */
4360
4361 sprintf(typestring, "%u", p->type);
4362
4363 cn_value[0] = p->name;
4364 cn_value[1] = NULL;
4365 info[0] = p->info ? p->info : "Unknown";
4366 info[1] = NULL;
4367 location[0] = p->location ? p->location : "Unknown";
4368 location[1] = NULL;
4369 make_model[0] = p->make_model ? p->make_model : "Unknown";
4370 make_model[1] = NULL;
4371 type[0] = typestring;
4372 type[1] = NULL;
4373 uri[0] = p->uri;
4374 uri[1] = NULL;
4375
4376 /*
4377 * Get ldap entry for printer ...
4378 */
4379
4380 snprintf(dn, sizeof(dn), "cn=%s, ou=%s, %s", p->name, ServerName,
4381 BrowseLDAPDN);
4382 cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_browse: dn=\"%s\"", dn);
4383
4384 rc = ldap_search_rec(BrowseLDAPHandle, dn, LDAP_SCOPE_BASE, NULL,
4385 (char **)ldap_attrs, 0, &res);
4386
4387 /*
4388 * If ldap search was not successfull then exit function
4389 * and temporary disable LDAP updates...
4390 */
4391
4392 if (rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_OBJECT)
4393 {
4394 if (BrowseLDAPUpdate &&
4395 (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR))
4396 {
4397 BrowseLDAPUpdate = FALSE;
4398 cupsdLogMessage(CUPSD_LOG_INFO,
4399 "LDAP update temporary disabled");
4400 }
4401
4402 return;
4403 }
4404
4405 /*
4406 * Fill modification array...
4407 */
4408
4409 mods[0].mod_type = "cn";
4410 mods[0].mod_values = cn_value;
4411 mods[1].mod_type = "printerDescription";
4412 mods[1].mod_values = info;
4413 mods[2].mod_type = "printerURI";
4414 mods[2].mod_values = uri;
4415 mods[3].mod_type = "printerLocation";
4416 mods[3].mod_values = location;
4417 mods[4].mod_type = "printerMakeAndModel";
4418 mods[4].mod_values = make_model;
4419 mods[5].mod_type = "printerType";
4420 mods[5].mod_values = type;
4421 mods[6].mod_type = "objectClass";
4422 mods[6].mod_values = (char **)objectClass_values;
4423
4424 /*
4425 * Check if we need to insert or update the LDAP entry...
4426 */
4427
4428 if (ldap_count_entries(BrowseLDAPHandle, res) > 0 &&
4429 rc != LDAP_NO_SUCH_OBJECT)
4430 {
4431 /*
4432 * Printer has already been registered, check if
4433 * modification is required...
4434 */
4435
4436 e = ldap_first_entry(BrowseLDAPHandle, res);
4437
4438 /*
4439 * Get the required values from this entry...
4440 */
4441
4442 if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerDescription",
4443 old_info, sizeof(old_info)) == -1)
4444 old_info[0] = '\0';
4445
4446 if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerLocation",
4447 old_location, sizeof(old_location)) == -1)
4448 old_info[0] = '\0';
4449
4450 if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerMakeAndModel",
4451 old_make_model, sizeof(old_make_model)) == -1)
4452 old_info[0] = '\0';
4453
4454 if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerType",
4455 old_type_string, sizeof(old_type_string)) == -1)
4456 old_info[0] = '\0';
4457
4458 old_type = atoi(old_type_string);
4459
4460 if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerURI", old_uri,
4461 sizeof(old_uri)) == -1)
4462 old_info[0] = '\0';
4463
4464 /*
4465 * Check if modification is required...
4466 */
4467
4468 if (!strcmp(info[0], old_info) && !strcmp(uri[0], old_uri) &&
4469 !strcmp(location[0], old_location) &&
4470 !strcmp(make_model[0], old_make_model) && p->type == old_type)
4471 {
4472 /*
4473 * LDAP entry for the printer exists. Printer has already been registered,
4474 * no modifications required...
4475 */
4476
4477 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4478 "send_ldap_browse: No updates required for %s", p->name);
4479 }
4480 else
4481 {
4482 /*
4483 * LDAP entry for the printer exists. Printer has already been registered,
4484 * modify the current registration...
4485 */
4486
4487 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4488 "send_ldap_browse: Replace entry for %s", p->name);
4489
4490 for (i = 0; i < 7; i ++)
4491 {
4492 pmods[i] = mods + i;
4493 pmods[i]->mod_op = LDAP_MOD_REPLACE;
4494 }
4495 pmods[i] = NULL;
4496
4497 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4498 if ((rcmod = ldap_modify_ext_s(BrowseLDAPHandle, dn, pmods, NULL,
4499 NULL)) != LDAP_SUCCESS)
4500 # else
4501 if ((rcmod = ldap_modify_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
4502 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4503 {
4504 cupsdLogMessage(CUPSD_LOG_ERROR,
4505 "LDAP modify for %s failed with status %d: %s",
4506 p->name, rcmod, ldap_err2string(rcmod));
4507 if (rcmod == LDAP_SERVER_DOWN)
4508 ldap_reconnect();
4509 }
4510 }
4511 }
4512 else
4513 {
4514 /*
4515 * No LDAP entry exists for the printer. Printer has never been registered,
4516 * add the current registration...
4517 */
4518
4519 send_ldap_ou(ServerName, BrowseLDAPDN, "CUPS Server");
4520
4521 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4522 "send_ldap_browse: Add entry for %s", p->name);
4523
4524 for (i = 0; i < 7; i ++)
4525 {
4526 pmods[i] = mods + i;
4527 pmods[i]->mod_op = LDAP_MOD_ADD;
4528 }
4529 pmods[i] = NULL;
4530
4531 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4532 if ((rcmod = ldap_add_ext_s(BrowseLDAPHandle, dn, pmods, NULL,
4533 NULL)) != LDAP_SUCCESS)
4534 # else
4535 if ((rcmod = ldap_add_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
4536 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4537 {
4538 cupsdLogMessage(CUPSD_LOG_ERROR,
4539 "LDAP add for %s failed with status %d: %s",
4540 p->name, rcmod, ldap_err2string(rcmod));
4541 if (rcmod == LDAP_SERVER_DOWN)
4542 ldap_reconnect();
4543 }
4544 }
4545
4546 if (rc == LDAP_SUCCESS)
4547 ldap_freeres(res);
4548 }
4549
4550
4551 /*
4552 * 'ldap_dereg_printer()' - Delete printer from directory
4553 */
4554
4555 static void
4556 ldap_dereg_printer(cupsd_printer_t *p) /* I - Printer to deregister */
4557 {
4558 char dn[1024]; /* DN of the printer */
4559 int rc; /* LDAP status */
4560
4561
4562 cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_dereg_printer: Remove entry for %s",
4563 p->name);
4564
4565 /*
4566 * Reconnect if LDAP Handle is invalid...
4567 */
4568
4569 if (!BrowseLDAPHandle)
4570 {
4571 ldap_reconnect();
4572 return;
4573 }
4574
4575 /*
4576 * Get dn for printer and delete LDAP entry...
4577 */
4578
4579 snprintf(dn, sizeof(dn), "cn=%s, ou=%s, %s", p->name, ServerName,
4580 BrowseLDAPDN);
4581 cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_dereg_printer: dn=\"%s\"", dn);
4582
4583 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4584 if ((rc = ldap_delete_ext_s(BrowseLDAPHandle, dn, NULL,
4585 NULL)) != LDAP_SUCCESS)
4586 # else
4587 if ((rc = ldap_delete_s(BrowseLDAPHandle, dn)) != LDAP_SUCCESS)
4588 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4589 {
4590 cupsdLogMessage(CUPSD_LOG_WARN,
4591 "LDAP delete for %s failed with status %d: %s",
4592 p->name, rc, ldap_err2string(rc));
4593
4594 /*
4595 * If we had a connection problem (connection timed out, etc.)
4596 * we should reconnect and try again to delete the entry...
4597 */
4598
4599 if (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR)
4600 {
4601 cupsdLogMessage(CUPSD_LOG_INFO,
4602 "Retry deleting LDAP entry for %s after a reconnect...", p->name);
4603 ldap_reconnect();
4604
4605 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4606 if ((rc = ldap_delete_ext_s(BrowseLDAPHandle, dn, NULL,
4607 NULL)) != LDAP_SUCCESS)
4608 # else
4609 if ((rc = ldap_delete_s(BrowseLDAPHandle, dn)) != LDAP_SUCCESS)
4610 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4611 cupsdLogMessage(CUPSD_LOG_WARN,
4612 "LDAP delete for %s failed with status %d: %s",
4613 p->name, rc, ldap_err2string(rc));
4614 }
4615 }
4616 }
4617
4618
4619 /*
4620 * 'ldap_dereg_ou()' - Remove the organizational unit.
4621 */
4622
4623 static void
4624 ldap_dereg_ou(char *ou, /* I - Organizational unit (servername) */
4625 char *basedn) /* I - Dase dn */
4626 {
4627 char dn[1024]; /* DN of the printer */
4628 int rc; /* LDAP status */
4629
4630
4631 cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_dereg_ou: Remove entry for %s", ou);
4632
4633 /*
4634 * Reconnect if LDAP Handle is invalid...
4635 */
4636
4637 if (!BrowseLDAPHandle)
4638 {
4639 ldap_reconnect();
4640 return;
4641 }
4642
4643 /*
4644 * Get dn for printer and delete LDAP entry...
4645 */
4646
4647 snprintf(dn, sizeof(dn), "ou=%s, %s", ou, basedn);
4648 cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_dereg_ou: dn=\"%s\"", dn);
4649
4650 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4651 if ((rc = ldap_delete_ext_s(BrowseLDAPHandle, dn, NULL,
4652 NULL)) != LDAP_SUCCESS)
4653 # else
4654 if ((rc = ldap_delete_s(BrowseLDAPHandle, dn)) != LDAP_SUCCESS)
4655 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4656 {
4657 cupsdLogMessage(CUPSD_LOG_WARN,
4658 "LDAP delete for %s failed with status %d: %s",
4659 ou, rc, ldap_err2string(rc));
4660
4661 /*
4662 * If we had a connection problem (connection timed out, etc.)
4663 * we should reconnect and try again to delete the entry...
4664 */
4665
4666 if (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR)
4667 {
4668 cupsdLogMessage(CUPSD_LOG_INFO,
4669 "Retry deleting LDAP entry for %s after a reconnect...", ou);
4670 ldap_reconnect();
4671 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4672 if ((rc = ldap_delete_ext_s(BrowseLDAPHandle, dn, NULL,
4673 NULL)) != LDAP_SUCCESS)
4674 # else
4675 if ((rc = ldap_delete_s(BrowseLDAPHandle, dn)) != LDAP_SUCCESS)
4676 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4677 cupsdLogMessage(CUPSD_LOG_WARN,
4678 "LDAP delete for %s failed with status %d: %s",
4679 ou, rc, ldap_err2string(rc));
4680 }
4681 }
4682 }
4683 #endif /* HAVE_LDAP */
4684
4685
4686 #ifdef HAVE_LIBSLP
4687 /*
4688 * 'send_slp_browse()' - Register the specified printer with SLP.
4689 */
4690
4691 static void
4692 send_slp_browse(cupsd_printer_t *p) /* I - Printer to register */
4693 {
4694 char srvurl[HTTP_MAX_URI], /* Printer service URI */
4695 attrs[8192], /* Printer attributes */
4696 finishings[1024], /* Finishings to support */
4697 make_model[IPP_MAX_NAME * 2],
4698 /* Make and model, quoted */
4699 location[IPP_MAX_NAME * 2],
4700 /* Location, quoted */
4701 info[IPP_MAX_NAME * 2], /* Info, quoted */
4702 *src, /* Pointer to original string */
4703 *dst; /* Pointer to destination string */
4704 ipp_attribute_t *authentication; /* uri-authentication-supported value */
4705 SLPError error; /* SLP error, if any */
4706
4707
4708 cupsdLogMessage(CUPSD_LOG_DEBUG, "send_slp_browse(%p = \"%s\")", p,
4709 p->name);
4710
4711 /*
4712 * Make the SLP service URL that conforms to the IANA
4713 * 'printer:' template.
4714 */
4715
4716 snprintf(srvurl, sizeof(srvurl), SLP_CUPS_SRVTYPE ":%s", p->uri);
4717
4718 cupsdLogMessage(CUPSD_LOG_DEBUG2, "Service URL = \"%s\"", srvurl);
4719
4720 /*
4721 * Figure out the finishings string...
4722 */
4723
4724 if (p->type & CUPS_PRINTER_STAPLE)
4725 strcpy(finishings, "staple");
4726 else
4727 finishings[0] = '\0';
4728
4729 if (p->type & CUPS_PRINTER_BIND)
4730 {
4731 if (finishings[0])
4732 strlcat(finishings, ",bind", sizeof(finishings));
4733 else
4734 strcpy(finishings, "bind");
4735 }
4736
4737 if (p->type & CUPS_PRINTER_PUNCH)
4738 {
4739 if (finishings[0])
4740 strlcat(finishings, ",punch", sizeof(finishings));
4741 else
4742 strcpy(finishings, "punch");
4743 }
4744
4745 if (p->type & CUPS_PRINTER_COVER)
4746 {
4747 if (finishings[0])
4748 strlcat(finishings, ",cover", sizeof(finishings));
4749 else
4750 strcpy(finishings, "cover");
4751 }
4752
4753 if (p->type & CUPS_PRINTER_SORT)
4754 {
4755 if (finishings[0])
4756 strlcat(finishings, ",sort", sizeof(finishings));
4757 else
4758 strcpy(finishings, "sort");
4759 }
4760
4761 if (!finishings[0])
4762 strcpy(finishings, "none");
4763
4764 /*
4765 * Quote any commas in the make and model, location, and info strings...
4766 */
4767
4768 for (src = p->make_model, dst = make_model;
4769 src && *src && dst < (make_model + sizeof(make_model) - 2);)
4770 {
4771 if (*src == ',' || *src == '\\' || *src == ')')
4772 *dst++ = '\\';
4773
4774 *dst++ = *src++;
4775 }
4776
4777 *dst = '\0';
4778
4779 if (!make_model[0])
4780 strcpy(make_model, "Unknown");
4781
4782 for (src = p->location, dst = location;
4783 src && *src && dst < (location + sizeof(location) - 2);)
4784 {
4785 if (*src == ',' || *src == '\\' || *src == ')')
4786 *dst++ = '\\';
4787
4788 *dst++ = *src++;
4789 }
4790
4791 *dst = '\0';
4792
4793 if (!location[0])
4794 strcpy(location, "Unknown");
4795
4796 for (src = p->info, dst = info;
4797 src && *src && dst < (info + sizeof(info) - 2);)
4798 {
4799 if (*src == ',' || *src == '\\' || *src == ')')
4800 *dst++ = '\\';
4801
4802 *dst++ = *src++;
4803 }
4804
4805 *dst = '\0';
4806
4807 if (!info[0])
4808 strcpy(info, "Unknown");
4809
4810 /*
4811 * Get the authentication value...
4812 */
4813
4814 authentication = ippFindAttribute(p->attrs, "uri-authentication-supported",
4815 IPP_TAG_KEYWORD);
4816
4817 /*
4818 * Make the SLP attribute string list that conforms to
4819 * the IANA 'printer:' template.
4820 */
4821
4822 snprintf(attrs, sizeof(attrs),
4823 "(printer-uri-supported=%s),"
4824 "(uri-authentication-supported=%s>),"
4825 #ifdef HAVE_SSL
4826 "(uri-security-supported=tls>),"
4827 #else
4828 "(uri-security-supported=none>),"
4829 #endif /* HAVE_SSL */
4830 "(printer-name=%s),"
4831 "(printer-location=%s),"
4832 "(printer-info=%s),"
4833 "(printer-more-info=%s),"
4834 "(printer-make-and-model=%s),"
4835 "(printer-type=%d),"
4836 "(charset-supported=utf-8),"
4837 "(natural-language-configured=%s),"
4838 "(natural-language-supported=de,en,es,fr,it),"
4839 "(color-supported=%s),"
4840 "(finishings-supported=%s),"
4841 "(sides-supported=one-sided%s),"
4842 "(multiple-document-jobs-supported=true)"
4843 "(ipp-versions-supported=1.0,1.1)",
4844 p->uri, authentication->values[0].string.text, p->name, location,
4845 info, p->uri, make_model, p->type, DefaultLanguage,
4846 p->type & CUPS_PRINTER_COLOR ? "true" : "false",
4847 finishings,
4848 p->type & CUPS_PRINTER_DUPLEX ?
4849 ",two-sided-long-edge,two-sided-short-edge" : "");
4850
4851 cupsdLogMessage(CUPSD_LOG_DEBUG2, "Attributes = \"%s\"", attrs);
4852
4853 /*
4854 * Register the printer with the SLP server...
4855 */
4856
4857 error = SLPReg(BrowseSLPHandle, srvurl, BrowseTimeout,
4858 SLP_CUPS_SRVTYPE, attrs, SLP_TRUE, slp_reg_callback, 0);
4859
4860 if (error != SLP_OK)
4861 cupsdLogMessage(CUPSD_LOG_ERROR, "SLPReg of \"%s\" failed with status %d!", p->name,
4862 error);
4863 }
4864
4865
4866 /*
4867 * 'slp_attr_callback()' - SLP attribute callback
4868 */
4869
4870 static SLPBoolean /* O - SLP_TRUE for success */
4871 slp_attr_callback(
4872 SLPHandle hslp, /* I - SLP handle */
4873 const char *attrlist, /* I - Attribute list */
4874 SLPError errcode, /* I - Parsing status for this attr */
4875 void *cookie) /* I - Current printer */
4876 {
4877 char *tmp = 0; /* Temporary string */
4878 cupsd_printer_t *p = (cupsd_printer_t*)cookie;
4879 /* Current printer */
4880
4881
4882 (void)hslp; /* anti-compiler-warning-code */
4883
4884 /*
4885 * Bail if there was an error
4886 */
4887
4888 if (errcode != SLP_OK)
4889 return (SLP_TRUE);
4890
4891 /*
4892 * Parse the attrlist to obtain things needed to build CUPS browse packet
4893 */
4894
4895 memset(p, 0, sizeof(cupsd_printer_t));
4896
4897 if (slp_get_attr(attrlist, "(printer-location=", &(p->location)))
4898 return (SLP_FALSE);
4899 if (slp_get_attr(attrlist, "(printer-info=", &(p->info)))
4900 return (SLP_FALSE);
4901 if (slp_get_attr(attrlist, "(printer-make-and-model=", &(p->make_model)))
4902 return (SLP_FALSE);
4903 if (!slp_get_attr(attrlist, "(printer-type=", &tmp))
4904 p->type = atoi(tmp);
4905 else
4906 p->type = CUPS_PRINTER_REMOTE;
4907
4908 cupsdClearString(&tmp);
4909
4910 return (SLP_TRUE);
4911 }
4912
4913
4914 /*
4915 * 'slp_dereg_printer()' - SLPDereg() the specified printer
4916 */
4917
4918 static void
4919 slp_dereg_printer(cupsd_printer_t *p) /* I - Printer */
4920 {
4921 char srvurl[HTTP_MAX_URI]; /* Printer service URI */
4922
4923
4924 cupsdLogMessage(CUPSD_LOG_DEBUG, "slp_dereg_printer: printer=\"%s\"", p->name);
4925
4926 if (!(p->type & CUPS_PRINTER_REMOTE))
4927 {
4928 /*
4929 * Make the SLP service URL that conforms to the IANA
4930 * 'printer:' template.
4931 */
4932
4933 snprintf(srvurl, sizeof(srvurl), SLP_CUPS_SRVTYPE ":%s", p->uri);
4934
4935 /*
4936 * Deregister the printer...
4937 */
4938
4939 SLPDereg(BrowseSLPHandle, srvurl, slp_reg_callback, 0);
4940 }
4941 }
4942
4943
4944 /*
4945 * 'slp_get_attr()' - Get an attribute from an SLP registration.
4946 */
4947
4948 static int /* O - 0 on success */
4949 slp_get_attr(const char *attrlist, /* I - Attribute list string */
4950 const char *tag, /* I - Name of attribute */
4951 char **valbuf) /* O - Value */
4952 {
4953 char *ptr1, /* Pointer into string */
4954 *ptr2; /* ... */
4955
4956
4957 cupsdClearString(valbuf);
4958
4959 if ((ptr1 = strstr(attrlist, tag)) != NULL)
4960 {
4961 ptr1 += strlen(tag);
4962
4963 if ((ptr2 = strchr(ptr1,')')) != NULL)
4964 {
4965 /*
4966 * Copy the value...
4967 */
4968
4969 *valbuf = calloc(ptr2 - ptr1 + 1, 1);
4970 strncpy(*valbuf, ptr1, ptr2 - ptr1);
4971
4972 /*
4973 * Dequote the value...
4974 */
4975
4976 for (ptr1 = *valbuf; *ptr1; ptr1 ++)
4977 if (*ptr1 == '\\' && ptr1[1])
4978 _cups_strcpy(ptr1, ptr1 + 1);
4979
4980 return (0);
4981 }
4982 }
4983
4984 return (-1);
4985 }
4986
4987
4988 /*
4989 * 'slp_reg_callback()' - Empty SLPRegReport.
4990 */
4991
4992 static void
4993 slp_reg_callback(SLPHandle hslp, /* I - SLP handle */
4994 SLPError errcode, /* I - Error code, if any */
4995 void *cookie) /* I - App data */
4996 {
4997 (void)hslp;
4998 (void)errcode;
4999 (void)cookie;
5000
5001 return;
5002 }
5003
5004
5005 /*
5006 * 'slp_url_callback()' - SLP service url callback
5007 */
5008
5009 static SLPBoolean /* O - TRUE = OK, FALSE = error */
5010 slp_url_callback(
5011 SLPHandle hslp, /* I - SLP handle */
5012 const char *srvurl, /* I - URL of service */
5013 unsigned short lifetime, /* I - Life of service */
5014 SLPError errcode, /* I - Existing error code */
5015 void *cookie) /* I - Pointer to service list */
5016 {
5017 slpsrvurl_t *s, /* New service entry */
5018 **head; /* Pointer to head of entry */
5019
5020
5021 /*
5022 * Let the compiler know we won't be using these vars...
5023 */
5024
5025 (void)hslp;
5026 (void)lifetime;
5027
5028 /*
5029 * Bail if there was an error
5030 */
5031
5032 if (errcode != SLP_OK)
5033 return (SLP_TRUE);
5034
5035 /*
5036 * Grab the head of the list...
5037 */
5038
5039 head = (slpsrvurl_t**)cookie;
5040
5041 /*
5042 * Allocate a *temporary* slpsrvurl_t to hold this entry.
5043 */
5044
5045 if ((s = (slpsrvurl_t *)calloc(1, sizeof(slpsrvurl_t))) == NULL)
5046 return (SLP_FALSE);
5047
5048 /*
5049 * Copy the SLP service URL...
5050 */
5051
5052 strlcpy(s->url, srvurl, sizeof(s->url));
5053
5054 /*
5055 * Link the SLP service URL into the head of the list
5056 */
5057
5058 if (*head)
5059 s->next = *head;
5060
5061 *head = s;
5062
5063 return (SLP_TRUE);
5064 }
5065 #endif /* HAVE_LIBSLP */
5066
5067
5068 /*
5069 * 'update_cups_browse()' - Update the browse lists using the CUPS protocol.
5070 */
5071
5072 static void
5073 update_cups_browse(void)
5074 {
5075 int i; /* Looping var */
5076 int auth; /* Authorization status */
5077 int len; /* Length of name string */
5078 int bytes; /* Number of bytes left */
5079 char packet[1541], /* Broadcast packet */
5080 *pptr; /* Pointer into packet */
5081 socklen_t srclen; /* Length of source address */
5082 http_addr_t srcaddr; /* Source address */
5083 char srcname[1024]; /* Source hostname */
5084 unsigned address[4]; /* Source address */
5085 unsigned type; /* Printer type */
5086 unsigned state; /* Printer state */
5087 char uri[HTTP_MAX_URI], /* Printer URI */
5088 host[HTTP_MAX_URI], /* Host portion of URI */
5089 resource[HTTP_MAX_URI], /* Resource portion of URI */
5090 info[IPP_MAX_NAME], /* Information string */
5091 location[IPP_MAX_NAME], /* Location string */
5092 make_model[IPP_MAX_NAME];/* Make and model string */
5093 int num_attrs; /* Number of attributes */
5094 cups_option_t *attrs; /* Attributes */
5095
5096
5097 /*
5098 * Read a packet from the browse socket...
5099 */
5100
5101 srclen = sizeof(srcaddr);
5102 if ((bytes = recvfrom(BrowseSocket, packet, sizeof(packet) - 1, 0,
5103 (struct sockaddr *)&srcaddr, &srclen)) < 0)
5104 {
5105 /*
5106 * "Connection refused" is returned under Linux if the destination port
5107 * or address is unreachable from a previous sendto(); check for the
5108 * error here and ignore it for now...
5109 */
5110
5111 if (errno != ECONNREFUSED && errno != EAGAIN)
5112 {
5113 cupsdLogMessage(CUPSD_LOG_ERROR, "Browse recv failed - %s.",
5114 strerror(errno));
5115 cupsdLogMessage(CUPSD_LOG_ERROR, "CUPS browsing turned off.");
5116
5117 #ifdef WIN32
5118 closesocket(BrowseSocket);
5119 #else
5120 close(BrowseSocket);
5121 #endif /* WIN32 */
5122
5123 cupsdRemoveSelect(BrowseSocket);
5124 BrowseSocket = -1;
5125
5126 BrowseLocalProtocols &= ~BROWSE_CUPS;
5127 BrowseRemoteProtocols &= ~BROWSE_CUPS;
5128 }
5129
5130 return;
5131 }
5132
5133 packet[bytes] = '\0';
5134
5135 /*
5136 * If we're about to sleep, ignore incoming browse packets.
5137 */
5138
5139 if (Sleeping)
5140 return;
5141
5142 /*
5143 * Figure out where it came from...
5144 */
5145
5146 #ifdef AF_INET6
5147 if (srcaddr.addr.sa_family == AF_INET6)
5148 {
5149 address[0] = ntohl(srcaddr.ipv6.sin6_addr.s6_addr32[0]);
5150 address[1] = ntohl(srcaddr.ipv6.sin6_addr.s6_addr32[1]);
5151 address[2] = ntohl(srcaddr.ipv6.sin6_addr.s6_addr32[2]);
5152 address[3] = ntohl(srcaddr.ipv6.sin6_addr.s6_addr32[3]);
5153 }
5154 else
5155 #endif /* AF_INET6 */
5156 {
5157 address[0] = 0;
5158 address[1] = 0;
5159 address[2] = 0;
5160 address[3] = ntohl(srcaddr.ipv4.sin_addr.s_addr);
5161 }
5162
5163 if (HostNameLookups)
5164 httpAddrLookup(&srcaddr, srcname, sizeof(srcname));
5165 else
5166 httpAddrString(&srcaddr, srcname, sizeof(srcname));
5167
5168 len = strlen(srcname);
5169
5170 /*
5171 * Do ACL stuff...
5172 */
5173
5174 if (BrowseACL)
5175 {
5176 if (httpAddrLocalhost(&srcaddr) || !strcasecmp(srcname, "localhost"))
5177 {
5178 /*
5179 * Access from localhost (127.0.0.1) is always allowed...
5180 */
5181
5182 auth = CUPSD_AUTH_ALLOW;
5183 }
5184 else
5185 {
5186 /*
5187 * Do authorization checks on the domain/address...
5188 */
5189
5190 switch (BrowseACL->order_type)
5191 {
5192 default :
5193 auth = CUPSD_AUTH_DENY; /* anti-compiler-warning-code */
5194 break;
5195
5196 case CUPSD_AUTH_ALLOW : /* Order Deny,Allow */
5197 auth = CUPSD_AUTH_ALLOW;
5198
5199 if (cupsdCheckAuth(address, srcname, len, BrowseACL->deny))
5200 auth = CUPSD_AUTH_DENY;
5201
5202 if (cupsdCheckAuth(address, srcname, len, BrowseACL->allow))
5203 auth = CUPSD_AUTH_ALLOW;
5204 break;
5205
5206 case CUPSD_AUTH_DENY : /* Order Allow,Deny */
5207 auth = CUPSD_AUTH_DENY;
5208
5209 if (cupsdCheckAuth(address, srcname, len, BrowseACL->allow))
5210 auth = CUPSD_AUTH_ALLOW;
5211
5212 if (cupsdCheckAuth(address, srcname, len, BrowseACL->deny))
5213 auth = CUPSD_AUTH_DENY;
5214 break;
5215 }
5216 }
5217 }
5218 else
5219 auth = CUPSD_AUTH_ALLOW;
5220
5221 if (auth == CUPSD_AUTH_DENY)
5222 {
5223 cupsdLogMessage(CUPSD_LOG_DEBUG,
5224 "update_cups_browse: Refused %d bytes from %s", bytes,
5225 srcname);
5226 return;
5227 }
5228
5229 cupsdLogMessage(CUPSD_LOG_DEBUG2,
5230 "update_cups_browse: (%d bytes from %s) %s", bytes,
5231 srcname, packet);
5232
5233 /*
5234 * Parse packet...
5235 */
5236
5237 if (sscanf(packet, "%x%x%1023s", &type, &state, uri) < 3)
5238 {
5239 cupsdLogMessage(CUPSD_LOG_WARN,
5240 "update_cups_browse: Garbled browse packet - %s", packet);
5241 return;
5242 }
5243
5244 strcpy(location, "Location Unknown");
5245 strcpy(info, "No Information Available");
5246 make_model[0] = '\0';
5247 num_attrs = 0;
5248 attrs = NULL;
5249
5250 if ((pptr = strchr(packet, '\"')) != NULL)
5251 {
5252 /*
5253 * Have extended information; can't use sscanf for it because not all
5254 * sscanf's allow empty strings with %[^\"]...
5255 */
5256
5257 for (i = 0, pptr ++;
5258 i < (sizeof(location) - 1) && *pptr && *pptr != '\"';
5259 i ++, pptr ++)
5260 location[i] = *pptr;
5261
5262 if (i)
5263 location[i] = '\0';
5264
5265 if (*pptr == '\"')
5266 pptr ++;
5267
5268 while (*pptr && isspace(*pptr & 255))
5269 pptr ++;
5270
5271 if (*pptr == '\"')
5272 {
5273 for (i = 0, pptr ++;
5274 i < (sizeof(info) - 1) && *pptr && *pptr != '\"';
5275 i ++, pptr ++)
5276 info[i] = *pptr;
5277
5278 info[i] = '\0';
5279
5280 if (*pptr == '\"')
5281 pptr ++;
5282
5283 while (*pptr && isspace(*pptr & 255))
5284 pptr ++;
5285
5286 if (*pptr == '\"')
5287 {
5288 for (i = 0, pptr ++;
5289 i < (sizeof(make_model) - 1) && *pptr && *pptr != '\"';
5290 i ++, pptr ++)
5291 make_model[i] = *pptr;
5292
5293 if (*pptr == '\"')
5294 pptr ++;
5295
5296 make_model[i] = '\0';
5297
5298 if (*pptr)
5299 num_attrs = cupsParseOptions(pptr, num_attrs, &attrs);
5300 }
5301 }
5302 }
5303
5304 DEBUG_puts(packet);
5305 DEBUG_printf(("type=%x, state=%x, uri=\"%s\"\n"
5306 "location=\"%s\", info=\"%s\", make_model=\"%s\"\n",
5307 type, state, uri, location, info, make_model));
5308
5309 /*
5310 * Pull the URI apart to see if this is a local or remote printer...
5311 */
5312
5313 if (is_local_queue(uri, host, sizeof(host), resource, sizeof(resource)))
5314 {
5315 cupsFreeOptions(num_attrs, attrs);
5316 return;
5317 }
5318
5319 /*
5320 * Do relaying...
5321 */
5322
5323 for (i = 0; i < NumRelays; i ++)
5324 if (cupsdCheckAuth(address, srcname, len, Relays[i].from))
5325 if (sendto(BrowseSocket, packet, bytes, 0,
5326 (struct sockaddr *)&(Relays[i].to),
5327 httpAddrLength(&(Relays[i].to))) <= 0)
5328 {
5329 cupsdLogMessage(CUPSD_LOG_ERROR,
5330 "update_cups_browse: sendto failed for relay %d - %s.",
5331 i + 1, strerror(errno));
5332 cupsFreeOptions(num_attrs, attrs);
5333 return;
5334 }
5335
5336 /*
5337 * Process the browse data...
5338 */
5339
5340 process_browse_data(uri, host, resource, (cups_ptype_t)type,
5341 (ipp_pstate_t)state, location, info, make_model,
5342 num_attrs, attrs);
5343 }
5344
5345
5346 /*
5347 * 'update_lpd()' - Update the LPD configuration as needed.
5348 */
5349
5350 static void
5351 update_lpd(int onoff) /* - 1 = turn on, 0 = turn off */
5352 {
5353 if (!LPDConfigFile)
5354 return;
5355
5356 #ifdef __APPLE__
5357 /*
5358 * Allow /etc/hostconfig CUPS_LPD service setting to override cupsd.conf
5359 * setting for backwards-compatibility.
5360 */
5361
5362 if (onoff && !get_hostconfig("CUPS_LPD"))
5363 onoff = 0;
5364 #endif /* __APPLE__ */
5365
5366 if (!strncmp(LPDConfigFile, "xinetd:///", 10))
5367 {
5368 /*
5369 * Enable/disable LPD via the xinetd.d config file for cups-lpd...
5370 */
5371
5372 char newfile[1024]; /* New cups-lpd.N file */
5373 cups_file_t *ofp, /* Original file pointer */
5374 *nfp; /* New file pointer */
5375 char line[1024]; /* Line from file */
5376
5377
5378 snprintf(newfile, sizeof(newfile), "%s.N", LPDConfigFile + 9);
5379
5380 if ((ofp = cupsFileOpen(LPDConfigFile + 9, "r")) == NULL)
5381 {
5382 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open \"%s\" - %s",
5383 LPDConfigFile + 9, strerror(errno));
5384 return;
5385 }
5386
5387 if ((nfp = cupsFileOpen(newfile, "w")) == NULL)
5388 {
5389 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create \"%s\" - %s",
5390 newfile, strerror(errno));
5391 cupsFileClose(ofp);
5392 return;
5393 }
5394
5395 /*
5396 * Copy all of the lines from the cups-lpd file...
5397 */
5398
5399 while (cupsFileGets(ofp, line, sizeof(line)))
5400 {
5401 if (line[0] == '{')
5402 {
5403 cupsFilePrintf(nfp, "%s\n", line);
5404 snprintf(line, sizeof(line), "\tdisable = %s",
5405 onoff ? "no" : "yes");
5406 }
5407 else if (!strstr(line, "disable ="))
5408 cupsFilePrintf(nfp, "%s\n", line);
5409 }
5410
5411 cupsFileClose(nfp);
5412 cupsFileClose(ofp);
5413 rename(newfile, LPDConfigFile + 9);
5414 }
5415 #ifdef __APPLE__
5416 else if (!strncmp(LPDConfigFile, "launchd:///", 11))
5417 {
5418 /*
5419 * Enable/disable LPD via the launchctl command...
5420 */
5421
5422 char *argv[5], /* Arguments for command */
5423 *envp[MAX_ENV]; /* Environment for command */
5424 int pid; /* Process ID */
5425
5426
5427 cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0])));
5428 argv[0] = (char *)"launchctl";
5429 argv[1] = (char *)(onoff ? "load" : "unload");
5430 argv[2] = (char *)"-w";
5431 argv[3] = LPDConfigFile + 10;
5432 argv[4] = NULL;
5433
5434 cupsdStartProcess("/bin/launchctl", argv, envp, -1, -1, -1, -1, -1, 1,
5435 NULL, NULL, &pid);
5436 }
5437 #endif /* __APPLE__ */
5438 else
5439 cupsdLogMessage(CUPSD_LOG_INFO, "Unknown LPDConfigFile scheme!");
5440 }
5441
5442
5443 /*
5444 * 'update_polling()' - Read status messages from the poll daemons.
5445 */
5446
5447 static void
5448 update_polling(void)
5449 {
5450 char *ptr, /* Pointer to end of line in buffer */
5451 message[1024]; /* Pointer to message text */
5452 int loglevel; /* Log level for message */
5453
5454
5455 while ((ptr = cupsdStatBufUpdate(PollStatusBuffer, &loglevel,
5456 message, sizeof(message))) != NULL)
5457 {
5458 if (loglevel == CUPSD_LOG_INFO)
5459 cupsdLogMessage(CUPSD_LOG_INFO, "%s", message);
5460
5461 if (!strchr(PollStatusBuffer->buffer, '\n'))
5462 break;
5463 }
5464
5465 if (ptr == NULL && !PollStatusBuffer->bufused)
5466 {
5467 /*
5468 * All polling processes have died; stop polling...
5469 */
5470
5471 cupsdLogMessage(CUPSD_LOG_ERROR,
5472 "update_polling: all polling processes have exited!");
5473 cupsdStopPolling();
5474 }
5475 }
5476
5477
5478 /*
5479 * 'update_smb()' - Update the SMB configuration as needed.
5480 */
5481
5482 static void
5483 update_smb(int onoff) /* I - 1 = turn on, 0 = turn off */
5484 {
5485 if (!SMBConfigFile)
5486 return;
5487
5488 if (!strncmp(SMBConfigFile, "samba:///", 9))
5489 {
5490 /*
5491 * Enable/disable SMB via the specified smb.conf config file...
5492 */
5493
5494 char newfile[1024]; /* New smb.conf.N file */
5495 cups_file_t *ofp, /* Original file pointer */
5496 *nfp; /* New file pointer */
5497 char line[1024]; /* Line from file */
5498 int in_printers; /* In [printers] section? */
5499
5500
5501 snprintf(newfile, sizeof(newfile), "%s.N", SMBConfigFile + 8);
5502
5503 if ((ofp = cupsFileOpen(SMBConfigFile + 8, "r")) == NULL)
5504 {
5505 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open \"%s\" - %s",
5506 SMBConfigFile + 8, strerror(errno));
5507 return;
5508 }
5509
5510 if ((nfp = cupsFileOpen(newfile, "w")) == NULL)
5511 {
5512 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create \"%s\" - %s",
5513 newfile, strerror(errno));
5514 cupsFileClose(ofp);
5515 return;
5516 }
5517
5518 /*
5519 * Copy all of the lines from the smb.conf file...
5520 */
5521
5522 in_printers = 0;
5523
5524 while (cupsFileGets(ofp, line, sizeof(line)))
5525 {
5526 if (in_printers && strstr(line, "printable ="))
5527 snprintf(line, sizeof(line), " printable = %s",
5528 onoff ? "yes" : "no");
5529
5530 cupsFilePrintf(nfp, "%s\n", line);
5531
5532 if (line[0] == '[')
5533 in_printers = !strcmp(line, "[printers]");
5534 }
5535
5536 cupsFileClose(nfp);
5537 cupsFileClose(ofp);
5538 rename(newfile, SMBConfigFile + 8);
5539 }
5540 else
5541 cupsdLogMessage(CUPSD_LOG_INFO, "Unknown SMBConfigFile scheme!");
5542 }
5543
5544
5545 /*
5546 * End of "$Id: dirsvc.c 7933 2008-09-11 00:44:58Z mike $".
5547 */
Unnamed repository; edit this file 'description' to name the repository.