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Merge changes from CUPS 1.5svn-r9022.
[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 Common UNIX Printing System (CUPS).
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 cupsdAddPrinterUser(p, 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 cupsdAddPrinterUser(p, 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 cupsd_printer_t *printer; /* Current printer class */
733 time_t curtime; /* Current time */
734 struct tm *curdate; /* Current date */
735 cups_option_t *option; /* Current option */
736
737
738 /*
739 * Create the remote.cache file...
740 */
741
742 snprintf(temp, sizeof(temp), "%s/remote.cache", CacheDir);
743
744 if ((fp = cupsFileOpen(temp, "w")) == NULL)
745 {
746 cupsdLogMessage(CUPSD_LOG_ERROR,
747 "Unable to save remote.cache - %s", strerror(errno));
748 return;
749 }
750 else
751 cupsdLogMessage(CUPSD_LOG_DEBUG, "Saving remote.cache...");
752
753 /*
754 * Restrict access to the file...
755 */
756
757 fchown(cupsFileNumber(fp), getuid(), Group);
758 fchmod(cupsFileNumber(fp), ConfigFilePerm);
759
760 /*
761 * Write a small header to the file...
762 */
763
764 curtime = time(NULL);
765 curdate = localtime(&curtime);
766 strftime(temp, sizeof(temp) - 1, "%Y-%m-%d %H:%M", curdate);
767
768 cupsFilePuts(fp, "# Remote cache file for " CUPS_SVERSION "\n");
769 cupsFilePrintf(fp, "# Written by cupsd on %s\n", temp);
770
771 /*
772 * Write each local printer known to the system...
773 */
774
775 for (printer = (cupsd_printer_t *)cupsArrayFirst(Printers);
776 printer;
777 printer = (cupsd_printer_t *)cupsArrayNext(Printers))
778 {
779 /*
780 * Skip local destinations...
781 */
782
783 if (!(printer->type & CUPS_PRINTER_DISCOVERED))
784 continue;
785
786 /*
787 * Write printers as needed...
788 */
789
790 if (printer == DefaultPrinter)
791 cupsFilePuts(fp, "<Default");
792 else
793 cupsFilePutChar(fp, '<');
794
795 if (printer->type & CUPS_PRINTER_CLASS)
796 cupsFilePrintf(fp, "Class %s>\n", printer->name);
797 else
798 cupsFilePrintf(fp, "Printer %s>\n", printer->name);
799
800 cupsFilePrintf(fp, "BrowseTime %d\n", (int)printer->browse_expire);
801
802 if (printer->info)
803 cupsFilePutConf(fp, "Info", printer->info);
804
805 if (printer->location)
806 cupsFilePutConf(fp, "Location", printer->location);
807
808 if (printer->make_model)
809 cupsFilePutConf(fp, "MakeModel", printer->make_model);
810
811 cupsFilePutConf(fp, "DeviceURI", printer->device_uri);
812
813 if (printer->state == IPP_PRINTER_STOPPED)
814 cupsFilePuts(fp, "State Stopped\n");
815 else
816 cupsFilePuts(fp, "State Idle\n");
817
818 for (i = 0; i < printer->num_reasons; i ++)
819 cupsFilePutConf(fp, "Reason", printer->reasons[i]);
820
821 cupsFilePrintf(fp, "Type %d\n", printer->type);
822
823 if (printer->accepting)
824 cupsFilePuts(fp, "Accepting Yes\n");
825 else
826 cupsFilePuts(fp, "Accepting No\n");
827
828 snprintf(value, sizeof(value), "%s %s", printer->job_sheets[0],
829 printer->job_sheets[1]);
830 cupsFilePutConf(fp, "JobSheets", value);
831
832 for (i = 0; i < printer->num_users; i ++)
833 cupsFilePutConf(fp, printer->deny_users ? "DenyUser" : "AllowUser",
834 printer->users[i]);
835
836 for (i = printer->num_options, option = printer->options;
837 i > 0;
838 i --, option ++)
839 {
840 snprintf(value, sizeof(value), "%s %s", option->name, option->value);
841 cupsFilePutConf(fp, "Option", value);
842 }
843
844 if (printer->type & CUPS_PRINTER_CLASS)
845 cupsFilePuts(fp, "</Class>\n");
846 else
847 cupsFilePuts(fp, "</Printer>\n");
848 }
849
850 cupsFileClose(fp);
851 }
852
853
854 /*
855 * 'cupsdSendBrowseList()' - Send new browsing information as necessary.
856 */
857
858 void
859 cupsdSendBrowseList(void)
860 {
861 int count; /* Number of dests to update */
862 cupsd_printer_t *p; /* Current printer */
863 time_t ut, /* Minimum update time */
864 to; /* Timeout time */
865
866
867 if (!Browsing || !Printers)
868 return;
869
870 /*
871 * Compute the update and timeout times...
872 */
873
874 to = time(NULL);
875 ut = to - BrowseInterval;
876
877 /*
878 * Figure out how many printers need an update...
879 */
880
881 if (BrowseInterval > 0 && BrowseLocalProtocols)
882 {
883 int max_count; /* Maximum number to update */
884
885
886 /*
887 * Throttle the number of printers we'll be updating this time
888 * around based on the number of queues that need updating and
889 * the maximum number of queues to update each second...
890 */
891
892 max_count = 2 * cupsArrayCount(Printers) / BrowseInterval + 1;
893
894 for (count = 0, p = (cupsd_printer_t *)cupsArrayFirst(Printers);
895 count < max_count && p != NULL;
896 p = (cupsd_printer_t *)cupsArrayNext(Printers))
897 if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
898 CUPS_PRINTER_SCANNER)) &&
899 p->shared && p->browse_time < ut)
900 count ++;
901
902 /*
903 * Loop through all of the printers and send local updates as needed...
904 */
905
906 if (BrowseNext)
907 p = (cupsd_printer_t *)cupsArrayFind(Printers, BrowseNext);
908 else
909 p = (cupsd_printer_t *)cupsArrayFirst(Printers);
910
911 for (;
912 count > 0;
913 p = (cupsd_printer_t *)cupsArrayNext(Printers))
914 {
915 /*
916 * Check for wraparound...
917 */
918
919 if (!p)
920 p = (cupsd_printer_t *)cupsArrayFirst(Printers);
921
922 if (!p)
923 break;
924 else if ((p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
925 CUPS_PRINTER_SCANNER)) ||
926 !p->shared)
927 continue;
928 else if (p->browse_time < ut)
929 {
930 /*
931 * Need to send an update...
932 */
933
934 count --;
935
936 p->browse_time = time(NULL);
937
938 if ((BrowseLocalProtocols & BROWSE_CUPS) && BrowseSocket >= 0)
939 send_cups_browse(p);
940
941 #ifdef HAVE_LIBSLP
942 if (BrowseLocalProtocols & BROWSE_SLP)
943 send_slp_browse(p);
944 #endif /* HAVE_LIBSLP */
945
946 #ifdef HAVE_LDAP
947 if (BrowseLocalProtocols & BROWSE_LDAP)
948 send_ldap_browse(p);
949 #endif /* HAVE_LDAP */
950 }
951 }
952
953 /*
954 * Save where we left off so that all printers get updated...
955 */
956
957 BrowseNext = p;
958 }
959
960 /*
961 * Loop through all of the printers and timeout old printers as needed...
962 */
963
964 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
965 p;
966 p = (cupsd_printer_t *)cupsArrayNext(Printers))
967 {
968 /*
969 * If this is a remote queue, see if it needs to be timed out...
970 */
971
972 if ((p->type & CUPS_PRINTER_DISCOVERED) &&
973 !(p->type & CUPS_PRINTER_IMPLICIT) &&
974 p->browse_expire < to)
975 {
976 cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
977 "%s \'%s\' deleted by directory services (timeout).",
978 (p->type & CUPS_PRINTER_CLASS) ? "Class" : "Printer",
979 p->name);
980
981 cupsdLogMessage(CUPSD_LOG_DEBUG,
982 "Remote destination \"%s\" has timed out; "
983 "deleting it...",
984 p->name);
985
986 cupsArraySave(Printers);
987 cupsdDeletePrinter(p, 1);
988 cupsArrayRestore(Printers);
989 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
990 }
991 }
992 }
993
994
995 #ifdef HAVE_LDAP_REBIND_PROC
996 # if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
997 /*
998 * 'ldap_rebind_proc()' - Callback function for LDAP rebind
999 */
1000
1001 static int /* O - Result code */
1002 ldap_rebind_proc(
1003 LDAP *RebindLDAPHandle, /* I - LDAP handle */
1004 LDAP_CONST char *refsp, /* I - ??? */
1005 ber_tag_t request, /* I - ??? */
1006 ber_int_t msgid, /* I - ??? */
1007 void *params) /* I - ??? */
1008 {
1009 int rc; /* Result code */
1010 # if LDAP_API_VERSION > 3000
1011 struct berval bval; /* Bind value */
1012 # endif /* LDAP_API_VERSION > 3000 */
1013
1014 /*
1015 * Bind to new LDAP server...
1016 */
1017
1018 cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_rebind_proc: Rebind to %s", refsp);
1019
1020 # if LDAP_API_VERSION > 3000
1021 bval.bv_val = BrowseLDAPPassword;
1022 bval.bv_len = (BrowseLDAPPassword == NULL) ? 0 : strlen(BrowseLDAPPassword);
1023
1024 rc = ldap_sasl_bind_s(RebindLDAPHandle, BrowseLDAPBindDN, LDAP_SASL_SIMPLE,
1025 &bval, NULL, NULL, NULL);
1026 # else
1027 rc = ldap_bind_s(RebindLDAPHandle, BrowseLDAPBindDN, BrowseLDAPPassword,
1028 LDAP_AUTH_SIMPLE);
1029 # endif /* LDAP_API_VERSION > 3000 */
1030
1031 return (rc);
1032 }
1033
1034
1035 # else /* defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) */
1036 /*
1037 * 'ldap_rebind_proc()' - Callback function for LDAP rebind
1038 */
1039
1040 static int /* O - Result code */
1041 ldap_rebind_proc(
1042 LDAP *RebindLDAPHandle, /* I - LDAP handle */
1043 char **dnp, /* I - ??? */
1044 char **passwdp, /* I - ??? */
1045 int *authmethodp, /* I - ??? */
1046 int freeit, /* I - ??? */
1047 void *arg) /* I - ??? */
1048 {
1049 switch (freeit)
1050 {
1051 case 1:
1052 /*
1053 * Free current values...
1054 */
1055
1056 cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_rebind_proc: Free values...");
1057
1058 if (dnp && *dnp)
1059 free(*dnp);
1060
1061 if (passwdp && *passwdp)
1062 free(*passwdp);
1063 break;
1064
1065 case 0:
1066 /*
1067 * Return credentials for LDAP referal...
1068 */
1069
1070 cupsdLogMessage(CUPSD_LOG_DEBUG2,
1071 "ldap_rebind_proc: Return necessary values...");
1072
1073 *dnp = strdup(BrowseLDAPBindDN);
1074 *passwdp = strdup(BrowseLDAPPassword);
1075 *authmethodp = LDAP_AUTH_SIMPLE;
1076 break;
1077
1078 default:
1079 /*
1080 * Should never happen...
1081 */
1082
1083 cupsdLogMessage(CUPSD_LOG_ERROR,
1084 "LDAP rebind has been called with wrong freeit value!");
1085 break;
1086 }
1087
1088 return (LDAP_SUCCESS);
1089 }
1090 # endif /* defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) */
1091 #endif /* HAVE_LDAP_REBIND_PROC */
1092
1093
1094 #ifdef HAVE_LDAP
1095 /*
1096 * 'ldap_connect()' - Start new LDAP connection
1097 */
1098
1099 static LDAP * /* O - LDAP handle */
1100 ldap_connect(void)
1101 {
1102 int rc; /* LDAP API status */
1103 int version = 3; /* LDAP version */
1104 struct berval bv = {0, ""}; /* SASL bind value */
1105 LDAP *TempBrowseLDAPHandle=NULL;
1106 /* Temporary LDAP Handle */
1107 # if defined(HAVE_LDAP_SSL) && defined (HAVE_MOZILLA_LDAP)
1108 int ldap_ssl = 0; /* LDAP SSL indicator */
1109 int ssl_err = 0; /* LDAP SSL error value */
1110 # endif /* defined(HAVE_LDAP_SSL) && defined (HAVE_MOZILLA_LDAP) */
1111
1112
1113 # ifdef HAVE_OPENLDAP
1114 # ifdef HAVE_LDAP_SSL
1115 /*
1116 * Set the certificate file to use for encrypted LDAP sessions...
1117 */
1118
1119 if (BrowseLDAPCACertFile)
1120 {
1121 cupsdLogMessage(CUPSD_LOG_DEBUG,
1122 "ldap_connect: Setting CA certificate file \"%s\"",
1123 BrowseLDAPCACertFile);
1124
1125 if ((rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_CACERTFILE,
1126 (void *)BrowseLDAPCACertFile)) != LDAP_SUCCESS)
1127 cupsdLogMessage(CUPSD_LOG_ERROR,
1128 "Unable to set CA certificate file for LDAP "
1129 "connections: %d - %s", rc, ldap_err2string(rc));
1130 }
1131 # endif /* HAVE_LDAP_SSL */
1132
1133 /*
1134 * Initialize OPENLDAP connection...
1135 * LDAP stuff currently only supports ldapi EXTERNAL SASL binds...
1136 */
1137
1138 if (!BrowseLDAPServer || !strcasecmp(BrowseLDAPServer, "localhost"))
1139 rc = ldap_initialize(&TempBrowseLDAPHandle, "ldapi:///");
1140 else
1141 rc = ldap_initialize(&TempBrowseLDAPHandle, BrowseLDAPServer);
1142
1143 # else /* HAVE_OPENLDAP */
1144
1145 int ldap_port = 0; /* LDAP port */
1146 char ldap_protocol[11], /* LDAP protocol */
1147 ldap_host[255]; /* LDAP host */
1148
1149 /*
1150 * Split LDAP URI into its components...
1151 */
1152
1153 if (!BrowseLDAPServer)
1154 {
1155 cupsdLogMessage(CUPSD_LOG_ERROR, "BrowseLDAPServer not configured!");
1156 cupsdLogMessage(CUPSD_LOG_ERROR, "Disabling LDAP browsing!");
1157 BrowseLocalProtocols &= ~BROWSE_LDAP;
1158 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1159 return (NULL);
1160 }
1161
1162 sscanf(BrowseLDAPServer, "%10[^:]://%254[^:/]:%d", ldap_protocol, ldap_host,
1163 &ldap_port);
1164
1165 if (!strcmp(ldap_protocol, "ldap"))
1166 ldap_ssl = 0;
1167 else if (!strcmp(ldap_protocol, "ldaps"))
1168 ldap_ssl = 1;
1169 else
1170 {
1171 cupsdLogMessage(CUPSD_LOG_ERROR, "Unrecognized LDAP protocol (%s)!",
1172 ldap_protocol);
1173 cupsdLogMessage(CUPSD_LOG_ERROR, "Disabling LDAP browsing!");
1174 BrowseLocalProtocols &= ~BROWSE_LDAP;
1175 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1176 return (NULL);
1177 }
1178
1179 if (ldap_port == 0)
1180 {
1181 if (ldap_ssl)
1182 ldap_port = LDAPS_PORT;
1183 else
1184 ldap_port = LDAP_PORT;
1185 }
1186
1187 cupsdLogMessage(CUPSD_LOG_DEBUG, "ldap_connect: PROT:%s HOST:%s PORT:%d",
1188 ldap_protocol, ldap_host, ldap_port);
1189
1190 /*
1191 * Initialize LDAP connection...
1192 */
1193
1194 if (!ldap_ssl)
1195 {
1196 if ((TempBrowseLDAPHandle = ldap_init(ldap_host, ldap_port)) == NULL)
1197 rc = LDAP_OPERATIONS_ERROR;
1198 else
1199 rc = LDAP_SUCCESS;
1200
1201 # ifdef HAVE_LDAP_SSL
1202 }
1203 else
1204 {
1205 /*
1206 * Initialize SSL LDAP connection...
1207 */
1208
1209 if (BrowseLDAPCACertFile)
1210 {
1211 rc = ldapssl_client_init(BrowseLDAPCACertFile, (void *)NULL);
1212 if (rc != LDAP_SUCCESS)
1213 {
1214 cupsdLogMessage(CUPSD_LOG_ERROR,
1215 "Failed to initialize LDAP SSL client!");
1216 rc = LDAP_OPERATIONS_ERROR;
1217 }
1218 else
1219 {
1220 if ((TempBrowseLDAPHandle = ldapssl_init(ldap_host, ldap_port,
1221 1)) == NULL)
1222 rc = LDAP_OPERATIONS_ERROR;
1223 else
1224 rc = LDAP_SUCCESS;
1225 }
1226 }
1227 else
1228 {
1229 cupsdLogMessage(CUPSD_LOG_ERROR,
1230 "LDAP SSL certificate file/database not configured!");
1231 rc = LDAP_OPERATIONS_ERROR;
1232 }
1233
1234 # else /* HAVE_LDAP_SSL */
1235
1236 /*
1237 * Return error, because client libraries doesn't support SSL
1238 */
1239
1240 cupsdLogMessage(CUPSD_LOG_ERROR,
1241 "LDAP client libraries do not support SSL");
1242 rc = LDAP_OPERATIONS_ERROR;
1243
1244 # endif /* HAVE_LDAP_SSL */
1245 }
1246 # endif /* HAVE_OPENLDAP */
1247
1248 /*
1249 * Check return code from LDAP initialize...
1250 */
1251
1252 if (rc != LDAP_SUCCESS)
1253 {
1254 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to initialize LDAP!");
1255
1256 if (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR)
1257 cupsdLogMessage(CUPSD_LOG_ERROR, "Temporarily disabling LDAP browsing...");
1258 else
1259 {
1260 cupsdLogMessage(CUPSD_LOG_ERROR, "Disabling LDAP browsing!");
1261
1262 BrowseLocalProtocols &= ~BROWSE_LDAP;
1263 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1264 }
1265
1266 ldap_disconnect(TempBrowseLDAPHandle);
1267
1268 return (NULL);
1269 }
1270
1271 /*
1272 * Upgrade LDAP version...
1273 */
1274
1275 if (ldap_set_option(TempBrowseLDAPHandle, LDAP_OPT_PROTOCOL_VERSION,
1276 (const void *)&version) != LDAP_SUCCESS)
1277 {
1278 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to set LDAP protocol version %d!",
1279 version);
1280 cupsdLogMessage(CUPSD_LOG_ERROR, "Disabling LDAP browsing!");
1281
1282 BrowseLocalProtocols &= ~BROWSE_LDAP;
1283 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1284 ldap_disconnect(TempBrowseLDAPHandle);
1285
1286 return (NULL);
1287 }
1288
1289 /*
1290 * Register LDAP rebind procedure...
1291 */
1292
1293 # ifdef HAVE_LDAP_REBIND_PROC
1294 # if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
1295
1296 rc = ldap_set_rebind_proc(TempBrowseLDAPHandle, &ldap_rebind_proc,
1297 (void *)NULL);
1298 if (rc != LDAP_SUCCESS)
1299 cupsdLogMessage(CUPSD_LOG_ERROR,
1300 "Setting LDAP rebind function failed with status %d: %s",
1301 rc, ldap_err2string(rc));
1302
1303 # else
1304
1305 ldap_set_rebind_proc(TempBrowseLDAPHandle, &ldap_rebind_proc, (void *)NULL);
1306
1307 # endif /* defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) */
1308 # endif /* HAVE_LDAP_REBIND_PROC */
1309
1310 /*
1311 * Start LDAP bind...
1312 */
1313
1314 # if LDAP_API_VERSION > 3000
1315 struct berval bval;
1316 bval.bv_val = BrowseLDAPPassword;
1317 bval.bv_len = (BrowseLDAPPassword == NULL) ? 0 : strlen(BrowseLDAPPassword);
1318
1319 if (!BrowseLDAPServer || !strcasecmp(BrowseLDAPServer, "localhost"))
1320 rc = ldap_sasl_bind_s(TempBrowseLDAPHandle, NULL, "EXTERNAL", &bv, NULL,
1321 NULL, NULL);
1322 else
1323 rc = ldap_sasl_bind_s(TempBrowseLDAPHandle, BrowseLDAPBindDN, LDAP_SASL_SIMPLE, &bval, NULL, NULL, NULL);
1324
1325 # else
1326 rc = ldap_bind_s(TempBrowseLDAPHandle, BrowseLDAPBindDN,
1327 BrowseLDAPPassword, LDAP_AUTH_SIMPLE);
1328 # endif /* LDAP_API_VERSION > 3000 */
1329
1330 if (rc != LDAP_SUCCESS)
1331 {
1332 cupsdLogMessage(CUPSD_LOG_ERROR, "LDAP bind failed with error %d: %s",
1333 rc, ldap_err2string(rc));
1334
1335 # if defined(HAVE_LDAP_SSL) && defined (HAVE_MOZILLA_LDAP)
1336 if (ldap_ssl && (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR))
1337 {
1338 ssl_err = PORT_GetError();
1339 if (ssl_err != 0)
1340 cupsdLogMessage(CUPSD_LOG_ERROR, "LDAP SSL error %d: %s", ssl_err,
1341 ldapssl_err2string(ssl_err));
1342 }
1343 # endif /* defined(HAVE_LDAP_SSL) && defined (HAVE_MOZILLA_LDAP) */
1344
1345 ldap_disconnect(TempBrowseLDAPHandle);
1346
1347 return (NULL);
1348 }
1349
1350 cupsdLogMessage(CUPSD_LOG_INFO, "LDAP connection established");
1351
1352 return (TempBrowseLDAPHandle);
1353 }
1354
1355
1356 /*
1357 * 'ldap_reconnect()' - Reconnect to LDAP Server
1358 */
1359
1360 static LDAP * /* O - New LDAP handle */
1361 ldap_reconnect(void)
1362 {
1363 LDAP *TempBrowseLDAPHandle = NULL; /* Temp Handle to LDAP server */
1364
1365
1366 /*
1367 * Get a new LDAP Handle and replace the global Handle
1368 * if the new connection was successful.
1369 */
1370
1371 cupsdLogMessage(CUPSD_LOG_INFO, "Try LDAP reconnect...");
1372
1373 TempBrowseLDAPHandle = ldap_connect();
1374
1375 if (TempBrowseLDAPHandle != NULL)
1376 {
1377 if (BrowseLDAPHandle != NULL)
1378 ldap_disconnect(BrowseLDAPHandle);
1379
1380 BrowseLDAPHandle = TempBrowseLDAPHandle;
1381 }
1382
1383 return (BrowseLDAPHandle);
1384 }
1385
1386
1387 /*
1388 * 'ldap_disconnect()' - Disconnect from LDAP Server
1389 */
1390
1391 static void
1392 ldap_disconnect(LDAP *ld) /* I - LDAP handle */
1393 {
1394 int rc; /* Return code */
1395
1396
1397 /*
1398 * Close LDAP handle...
1399 */
1400
1401 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
1402 rc = ldap_unbind_ext_s(ld, NULL, NULL);
1403 # else
1404 rc = ldap_unbind_s(ld);
1405 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
1406
1407 if (rc != LDAP_SUCCESS)
1408 cupsdLogMessage(CUPSD_LOG_ERROR,
1409 "Unbind from LDAP server failed with status %d: %s",
1410 rc, ldap_err2string(rc));
1411 }
1412 #endif /* HAVE_LDAP */
1413
1414
1415 /*
1416 * 'cupsdStartBrowsing()' - Start sending and receiving broadcast information.
1417 */
1418
1419 void
1420 cupsdStartBrowsing(void)
1421 {
1422 int val; /* Socket option value */
1423 struct sockaddr_in addr; /* Broadcast address */
1424 cupsd_printer_t *p; /* Current printer */
1425
1426
1427 BrowseNext = NULL;
1428
1429 if (!Browsing || !(BrowseLocalProtocols | BrowseRemoteProtocols))
1430 return;
1431
1432 if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_CUPS)
1433 {
1434 if (BrowseSocket < 0)
1435 {
1436 /*
1437 * Create the broadcast socket...
1438 */
1439
1440 if ((BrowseSocket = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
1441 {
1442 cupsdLogMessage(CUPSD_LOG_ERROR,
1443 "Unable to create broadcast socket - %s.",
1444 strerror(errno));
1445 BrowseLocalProtocols &= ~BROWSE_CUPS;
1446 BrowseRemoteProtocols &= ~BROWSE_CUPS;
1447
1448 if (FatalErrors & CUPSD_FATAL_BROWSE)
1449 cupsdEndProcess(getpid(), 0);
1450 }
1451 }
1452
1453 if (BrowseSocket >= 0)
1454 {
1455 /*
1456 * Bind the socket to browse port...
1457 */
1458
1459 memset(&addr, 0, sizeof(addr));
1460 addr.sin_addr.s_addr = htonl(INADDR_ANY);
1461 addr.sin_family = AF_INET;
1462 addr.sin_port = htons(BrowsePort);
1463
1464 if (bind(BrowseSocket, (struct sockaddr *)&addr, sizeof(addr)))
1465 {
1466 cupsdLogMessage(CUPSD_LOG_ERROR,
1467 "Unable to bind broadcast socket - %s.",
1468 strerror(errno));
1469
1470 #ifdef WIN32
1471 closesocket(BrowseSocket);
1472 #else
1473 close(BrowseSocket);
1474 #endif /* WIN32 */
1475
1476 BrowseSocket = -1;
1477 BrowseLocalProtocols &= ~BROWSE_CUPS;
1478 BrowseRemoteProtocols &= ~BROWSE_CUPS;
1479
1480 if (FatalErrors & CUPSD_FATAL_BROWSE)
1481 cupsdEndProcess(getpid(), 0);
1482 }
1483 }
1484
1485 if (BrowseSocket >= 0)
1486 {
1487 /*
1488 * Set the "broadcast" flag...
1489 */
1490
1491 val = 1;
1492 if (setsockopt(BrowseSocket, SOL_SOCKET, SO_BROADCAST, &val, sizeof(val)))
1493 {
1494 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to set broadcast mode - %s.",
1495 strerror(errno));
1496
1497 #ifdef WIN32
1498 closesocket(BrowseSocket);
1499 #else
1500 close(BrowseSocket);
1501 #endif /* WIN32 */
1502
1503 BrowseSocket = -1;
1504 BrowseLocalProtocols &= ~BROWSE_CUPS;
1505 BrowseRemoteProtocols &= ~BROWSE_CUPS;
1506
1507 if (FatalErrors & CUPSD_FATAL_BROWSE)
1508 cupsdEndProcess(getpid(), 0);
1509 }
1510 }
1511
1512 if (BrowseSocket >= 0)
1513 {
1514 /*
1515 * Close the socket on exec...
1516 */
1517
1518 fcntl(BrowseSocket, F_SETFD, fcntl(BrowseSocket, F_GETFD) | FD_CLOEXEC);
1519
1520 /*
1521 * Finally, add the socket to the input selection set as needed...
1522 */
1523
1524 if (BrowseRemoteProtocols & BROWSE_CUPS)
1525 {
1526 /*
1527 * We only listen if we want remote printers...
1528 */
1529
1530 cupsdAddSelect(BrowseSocket, (cupsd_selfunc_t)update_cups_browse,
1531 NULL, NULL);
1532 }
1533 }
1534 }
1535 else
1536 BrowseSocket = -1;
1537
1538 #ifdef HAVE_DNSSD
1539 if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_DNSSD)
1540 {
1541 DNSServiceErrorType error; /* Error from service creation */
1542 cupsd_listener_t *lis; /* Current listening socket */
1543
1544
1545 /*
1546 * First create a "master" connection for all registrations...
1547 */
1548
1549 if ((error = DNSServiceCreateConnection(&DNSSDRef))
1550 != kDNSServiceErr_NoError)
1551 {
1552 cupsdLogMessage(CUPSD_LOG_ERROR,
1553 "Unable to create master DNS-SD reference: %d", error);
1554
1555 if (FatalErrors & CUPSD_FATAL_BROWSE)
1556 cupsdEndProcess(getpid(), 0);
1557 }
1558 else
1559 {
1560 /*
1561 * Add the master connection to the select list...
1562 */
1563
1564 int fd = DNSServiceRefSockFD(DNSSDRef);
1565
1566 fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
1567
1568 cupsdAddSelect(fd, (cupsd_selfunc_t)dnssdUpdate, NULL, NULL);
1569
1570 /*
1571 * Then get the port we use for registrations. If we are not listening
1572 * on any non-local ports, there is no sense sharing local printers via
1573 * Bonjour...
1574 */
1575
1576 DNSSDPort = 0;
1577
1578 for (lis = (cupsd_listener_t *)cupsArrayFirst(Listeners);
1579 lis;
1580 lis = (cupsd_listener_t *)cupsArrayNext(Listeners))
1581 {
1582 if (httpAddrLocalhost(&(lis->address)))
1583 continue;
1584
1585 if (lis->address.addr.sa_family == AF_INET)
1586 {
1587 DNSSDPort = ntohs(lis->address.ipv4.sin_port);
1588 break;
1589 }
1590 else if (lis->address.addr.sa_family == AF_INET6)
1591 {
1592 DNSSDPort = ntohs(lis->address.ipv6.sin6_port);
1593 break;
1594 }
1595 }
1596
1597 /*
1598 * Create an array to track the printers we share...
1599 */
1600
1601 if (BrowseRemoteProtocols & BROWSE_DNSSD)
1602 DNSSDPrinters = cupsArrayNew((cups_array_func_t)dnssdComparePrinters,
1603 NULL);
1604
1605 /*
1606 * Set the computer name and register the web interface...
1607 */
1608
1609 cupsdUpdateDNSSDName();
1610 }
1611 }
1612 #endif /* HAVE_DNSSD */
1613
1614 #ifdef HAVE_LIBSLP
1615 if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_SLP)
1616 {
1617 /*
1618 * Open SLP handle...
1619 */
1620
1621 if (SLPOpen("en", SLP_FALSE, &BrowseSLPHandle) != SLP_OK)
1622 {
1623 cupsdLogMessage(CUPSD_LOG_ERROR,
1624 "Unable to open an SLP handle; disabling SLP browsing!");
1625 BrowseLocalProtocols &= ~BROWSE_SLP;
1626 BrowseRemoteProtocols &= ~BROWSE_SLP;
1627 BrowseSLPHandle = NULL;
1628
1629 if (FatalErrors & CUPSD_FATAL_BROWSE)
1630 cupsdEndProcess(getpid(), 0);
1631 }
1632
1633 BrowseSLPRefresh = 0;
1634 }
1635 else
1636 BrowseSLPHandle = NULL;
1637 #endif /* HAVE_LIBSLP */
1638
1639 #ifdef HAVE_LDAP
1640 if ((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_LDAP)
1641 {
1642 if (!BrowseLDAPDN)
1643 {
1644 cupsdLogMessage(CUPSD_LOG_ERROR,
1645 "Need to set BrowseLDAPDN to use LDAP browsing!");
1646 BrowseLocalProtocols &= ~BROWSE_LDAP;
1647 BrowseRemoteProtocols &= ~BROWSE_LDAP;
1648
1649 if (FatalErrors & CUPSD_FATAL_BROWSE)
1650 cupsdEndProcess(getpid(), 0);
1651 }
1652 else
1653 {
1654 /*
1655 * Open LDAP handle...
1656 */
1657
1658 if ((BrowseLDAPHandle = ldap_connect()) == NULL &&
1659 (FatalErrors & CUPSD_FATAL_BROWSE))
1660 cupsdEndProcess(getpid(), 0);
1661 }
1662
1663 BrowseLDAPRefresh = 0;
1664 }
1665 #endif /* HAVE_LDAP */
1666
1667 /*
1668 * Enable LPD and SMB printer sharing as needed through external programs...
1669 */
1670
1671 if (BrowseLocalProtocols & BROWSE_LPD)
1672 update_lpd(1);
1673
1674 if (BrowseLocalProtocols & BROWSE_SMB)
1675 update_smb(1);
1676
1677 /*
1678 * Register the individual printers
1679 */
1680
1681 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
1682 p;
1683 p = (cupsd_printer_t *)cupsArrayNext(Printers))
1684 if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
1685 CUPS_PRINTER_SCANNER)))
1686 cupsdRegisterPrinter(p);
1687 }
1688
1689
1690 /*
1691 * 'cupsdStartPolling()' - Start polling servers as needed.
1692 */
1693
1694 void
1695 cupsdStartPolling(void)
1696 {
1697 int i; /* Looping var */
1698 cupsd_dirsvc_poll_t *pollp; /* Current polling server */
1699 char polld[1024]; /* Poll daemon path */
1700 char sport[255]; /* Server port */
1701 char bport[255]; /* Browser port */
1702 char interval[255]; /* Poll interval */
1703 int statusfds[2]; /* Status pipe */
1704 char *argv[6]; /* Arguments */
1705 char *envp[100]; /* Environment */
1706
1707
1708 /*
1709 * Don't do anything if we aren't polling...
1710 */
1711
1712 if (NumPolled == 0 || BrowseSocket < 0)
1713 {
1714 PollPipe = -1;
1715 PollStatusBuffer = NULL;
1716 return;
1717 }
1718
1719 /*
1720 * Setup string arguments for polld, port and interval options.
1721 */
1722
1723 snprintf(polld, sizeof(polld), "%s/daemon/cups-polld", ServerBin);
1724
1725 sprintf(bport, "%d", BrowsePort);
1726
1727 if (BrowseInterval)
1728 sprintf(interval, "%d", BrowseInterval);
1729 else
1730 strcpy(interval, "30");
1731
1732 argv[0] = "cups-polld";
1733 argv[2] = sport;
1734 argv[3] = interval;
1735 argv[4] = bport;
1736 argv[5] = NULL;
1737
1738 cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0])));
1739
1740 /*
1741 * Create a pipe that receives the status messages from each
1742 * polling daemon...
1743 */
1744
1745 if (cupsdOpenPipe(statusfds))
1746 {
1747 cupsdLogMessage(CUPSD_LOG_ERROR,
1748 "Unable to create polling status pipes - %s.",
1749 strerror(errno));
1750 PollPipe = -1;
1751 PollStatusBuffer = NULL;
1752 return;
1753 }
1754
1755 PollPipe = statusfds[0];
1756 PollStatusBuffer = cupsdStatBufNew(PollPipe, "[Poll]");
1757
1758 /*
1759 * Run each polling daemon, redirecting stderr to the polling pipe...
1760 */
1761
1762 for (i = 0, pollp = Polled; i < NumPolled; i ++, pollp ++)
1763 {
1764 sprintf(sport, "%d", pollp->port);
1765
1766 argv[1] = pollp->hostname;
1767
1768 if (cupsdStartProcess(polld, argv, envp, -1, -1, statusfds[1], -1, -1,
1769 0, DefaultProfile, NULL, &(pollp->pid)) < 0)
1770 {
1771 cupsdLogMessage(CUPSD_LOG_ERROR,
1772 "cupsdStartPolling: Unable to fork polling daemon - %s",
1773 strerror(errno));
1774 pollp->pid = 0;
1775 break;
1776 }
1777 else
1778 cupsdLogMessage(CUPSD_LOG_DEBUG,
1779 "cupsdStartPolling: Started polling daemon for %s:%d, pid = %d",
1780 pollp->hostname, pollp->port, pollp->pid);
1781 }
1782
1783 close(statusfds[1]);
1784
1785 /*
1786 * Finally, add the pipe to the input selection set...
1787 */
1788
1789 cupsdAddSelect(PollPipe, (cupsd_selfunc_t)update_polling, NULL, NULL);
1790 }
1791
1792
1793 /*
1794 * 'cupsdStopBrowsing()' - Stop sending and receiving broadcast information.
1795 */
1796
1797 void
1798 cupsdStopBrowsing(void)
1799 {
1800 cupsd_printer_t *p; /* Current printer */
1801
1802
1803 if (!Browsing || !(BrowseLocalProtocols | BrowseRemoteProtocols))
1804 return;
1805
1806 /*
1807 * De-register the individual printers
1808 */
1809
1810 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
1811 p;
1812 p = (cupsd_printer_t *)cupsArrayNext(Printers))
1813 if (!(p->type & (CUPS_PRINTER_REMOTE | CUPS_PRINTER_IMPLICIT |
1814 CUPS_PRINTER_SCANNER)))
1815 cupsdDeregisterPrinter(p, 1);
1816
1817 /*
1818 * Shut down browsing sockets...
1819 */
1820
1821 if (((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_CUPS) &&
1822 BrowseSocket >= 0)
1823 {
1824 /*
1825 * Close the socket and remove it from the input selection set.
1826 */
1827
1828 #ifdef WIN32
1829 closesocket(BrowseSocket);
1830 #else
1831 close(BrowseSocket);
1832 #endif /* WIN32 */
1833
1834 cupsdRemoveSelect(BrowseSocket);
1835 BrowseSocket = -1;
1836 }
1837
1838 #ifdef HAVE_DNSSD
1839 if ((BrowseLocalProtocols & BROWSE_DNSSD) && DNSSDRef)
1840 dnssdStop();
1841 #endif /* HAVE_DNSSD */
1842
1843 #ifdef HAVE_LIBSLP
1844 if (((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_SLP) &&
1845 BrowseSLPHandle)
1846 {
1847 /*
1848 * Close SLP handle...
1849 */
1850
1851 SLPClose(BrowseSLPHandle);
1852 BrowseSLPHandle = NULL;
1853 }
1854 #endif /* HAVE_LIBSLP */
1855
1856 #ifdef HAVE_LDAP
1857 if (((BrowseLocalProtocols | BrowseRemoteProtocols) & BROWSE_LDAP) &&
1858 BrowseLDAPHandle)
1859 {
1860 ldap_dereg_ou(ServerName, BrowseLDAPDN);
1861 ldap_disconnect(BrowseLDAPHandle);
1862 BrowseLDAPHandle = NULL;
1863 }
1864 #endif /* HAVE_OPENLDAP */
1865
1866 /*
1867 * Disable LPD and SMB printer sharing as needed through external programs...
1868 */
1869
1870 if (BrowseLocalProtocols & BROWSE_LPD)
1871 update_lpd(0);
1872
1873 if (BrowseLocalProtocols & BROWSE_SMB)
1874 update_smb(0);
1875 }
1876
1877
1878 /*
1879 * 'cupsdStopPolling()' - Stop polling servers as needed.
1880 */
1881
1882 void
1883 cupsdStopPolling(void)
1884 {
1885 int i; /* Looping var */
1886 cupsd_dirsvc_poll_t *pollp; /* Current polling server */
1887
1888
1889 if (PollPipe >= 0)
1890 {
1891 cupsdStatBufDelete(PollStatusBuffer);
1892 close(PollPipe);
1893
1894 cupsdRemoveSelect(PollPipe);
1895
1896 PollPipe = -1;
1897 PollStatusBuffer = NULL;
1898 }
1899
1900 for (i = 0, pollp = Polled; i < NumPolled; i ++, pollp ++)
1901 if (pollp->pid)
1902 cupsdEndProcess(pollp->pid, 0);
1903 }
1904
1905
1906 #ifdef HAVE_DNSSD
1907 /*
1908 * 'cupsdUpdateDNSSDName()' - Update the computer name we use for browsing...
1909 */
1910
1911 void
1912 cupsdUpdateDNSSDName(void)
1913 {
1914 DNSServiceErrorType error; /* Error from service creation */
1915 char webif[1024]; /* Web interface share name */
1916 #ifdef HAVE_COREFOUNDATION_H
1917 SCDynamicStoreRef sc; /* Context for dynamic store */
1918 CFDictionaryRef btmm; /* Back-to-My-Mac domains */
1919 CFStringEncoding nameEncoding; /* Encoding of computer name */
1920 CFStringRef nameRef; /* Host name CFString */
1921 char nameBuffer[1024]; /* C-string buffer */
1922 #endif /* HAVE_COREFOUNDATION_H */
1923
1924
1925 /*
1926 * Only share the web interface and printers when non-local listening is
1927 * enabled...
1928 */
1929
1930
1931 if (!DNSSDPort)
1932 return;
1933
1934 /*
1935 * Get the computer name as a c-string...
1936 */
1937
1938 #ifdef HAVE_COREFOUNDATION_H
1939 sc = SCDynamicStoreCreate(kCFAllocatorDefault, CFSTR("cupsd"), NULL, NULL);
1940
1941 if (sc)
1942 {
1943 /*
1944 * Get the computer name from the dynamic store...
1945 */
1946
1947 cupsdClearString(&DNSSDComputerName);
1948
1949 if ((nameRef = SCDynamicStoreCopyComputerName(sc, &nameEncoding)) != NULL)
1950 {
1951 if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
1952 kCFStringEncodingUTF8))
1953 {
1954 cupsdLogMessage(CUPSD_LOG_DEBUG,
1955 "Dynamic store computer name is \"%s\".", nameBuffer);
1956 cupsdSetString(&DNSSDComputerName, nameBuffer);
1957 }
1958
1959 CFRelease(nameRef);
1960 }
1961
1962 if (!DNSSDComputerName)
1963 {
1964 /*
1965 * Use the ServerName instead...
1966 */
1967
1968 cupsdLogMessage(CUPSD_LOG_DEBUG,
1969 "Using ServerName \"%s\" as computer name.", ServerName);
1970 cupsdSetString(&DNSSDComputerName, ServerName);
1971 }
1972
1973 /*
1974 * Get the local hostname from the dynamic store...
1975 */
1976
1977 cupsdClearString(&DNSSDHostName);
1978
1979 if ((nameRef = SCDynamicStoreCopyLocalHostName(sc)) != NULL)
1980 {
1981 if (CFStringGetCString(nameRef, nameBuffer, sizeof(nameBuffer),
1982 kCFStringEncodingUTF8))
1983 {
1984 cupsdLogMessage(CUPSD_LOG_DEBUG,
1985 "Dynamic store host name is \"%s\".", nameBuffer);
1986 cupsdSetString(&DNSSDHostName, nameBuffer);
1987 }
1988
1989 CFRelease(nameRef);
1990 }
1991
1992 if (!DNSSDHostName)
1993 {
1994 /*
1995 * Use the ServerName instead...
1996 */
1997
1998 cupsdLogMessage(CUPSD_LOG_DEBUG,
1999 "Using ServerName \"%s\" as host name.", ServerName);
2000 cupsdSetString(&DNSSDHostName, ServerName);
2001 }
2002
2003 /*
2004 * Get any Back-to-My-Mac domains and add them as aliases...
2005 */
2006
2007 cupsdFreeAliases(DNSSDAlias);
2008 DNSSDAlias = NULL;
2009
2010 btmm = SCDynamicStoreCopyValue(sc, CFSTR("Setup:/Network/BackToMyMac"));
2011 if (btmm && CFGetTypeID(btmm) == CFDictionaryGetTypeID())
2012 {
2013 cupsdLogMessage(CUPSD_LOG_DEBUG, "%d Back to My Mac aliases to add.",
2014 (int)CFDictionaryGetCount(btmm));
2015 CFDictionaryApplyFunction(btmm, dnssdAddAlias, NULL);
2016 }
2017 else if (btmm)
2018 cupsdLogMessage(CUPSD_LOG_ERROR,
2019 "Bad Back to My Mac data in dynamic store!");
2020 else
2021 cupsdLogMessage(CUPSD_LOG_DEBUG, "No Back to My Mac aliases to add.");
2022
2023 if (btmm)
2024 CFRelease(btmm);
2025
2026 CFRelease(sc);
2027 }
2028 else
2029 #endif /* HAVE_COREFOUNDATION_H */
2030 {
2031 cupsdSetString(&DNSSDComputerName, ServerName);
2032 cupsdSetString(&DNSSDHostName, ServerName);
2033 }
2034
2035 /*
2036 * Then (re)register the web interface if enabled...
2037 */
2038
2039 if (BrowseWebIF)
2040 {
2041 if (DNSSDComputerName)
2042 snprintf(webif, sizeof(webif), "CUPS @ %s", DNSSDComputerName);
2043 else
2044 strlcpy(webif, "CUPS Web Interface", sizeof(webif));
2045
2046 if (WebIFRef)
2047 DNSServiceRefDeallocate(WebIFRef);
2048
2049 WebIFRef = DNSSDRef;
2050 if ((error = DNSServiceRegister(&WebIFRef,
2051 kDNSServiceFlagsShareConnection,
2052 0, webif, "_http._tcp", NULL,
2053 NULL, htons(DNSSDPort), 7,
2054 "\006path=/", dnssdRegisterCallback,
2055 NULL)) != kDNSServiceErr_NoError)
2056 cupsdLogMessage(CUPSD_LOG_ERROR,
2057 "DNS-SD web interface registration failed: %d", error);
2058 }
2059 }
2060 #endif /* HAVE_DNSSD */
2061
2062
2063 #ifdef HAVE_LDAP
2064 /*
2065 * 'cupsdUpdateLDAPBrowse()' - Scan for new printers via LDAP...
2066 */
2067
2068 void
2069 cupsdUpdateLDAPBrowse(void)
2070 {
2071 char uri[HTTP_MAX_URI], /* Printer URI */
2072 host[HTTP_MAX_URI], /* Hostname */
2073 resource[HTTP_MAX_URI], /* Resource path */
2074 location[1024], /* Printer location */
2075 info[1024], /* Printer information */
2076 make_model[1024], /* Printer make and model */
2077 type_num[30]; /* Printer type number */
2078 int type; /* Printer type */
2079 int rc; /* LDAP status */
2080 int limit; /* Size limit */
2081 LDAPMessage *res, /* LDAP search results */
2082 *e; /* Current entry from search */
2083
2084 cupsdLogMessage(CUPSD_LOG_DEBUG2, "UpdateLDAPBrowse: %s", ServerName);
2085
2086 BrowseLDAPRefresh = time(NULL) + BrowseInterval;
2087
2088 /*
2089 * Reconnect if LDAP Handle is invalid...
2090 */
2091
2092 if (! BrowseLDAPHandle)
2093 {
2094 ldap_reconnect();
2095 return;
2096 }
2097
2098 /*
2099 * Search for cups printers in LDAP directory...
2100 */
2101
2102 rc = ldap_search_rec(BrowseLDAPHandle, BrowseLDAPDN, LDAP_SCOPE_SUBTREE,
2103 "(objectclass=cupsPrinter)", (char **)ldap_attrs, 0, &res);
2104
2105 /*
2106 * If ldap search was successfull then exit function
2107 * and temporary disable LDAP updates...
2108 */
2109
2110 if (rc != LDAP_SUCCESS)
2111 {
2112 if (BrowseLDAPUpdate && ((rc == LDAP_SERVER_DOWN) || (rc == LDAP_CONNECT_ERROR)))
2113 {
2114 BrowseLDAPUpdate = FALSE;
2115 cupsdLogMessage(CUPSD_LOG_INFO,
2116 "LDAP update temporary disabled");
2117 }
2118 return;
2119 }
2120
2121 /*
2122 * If LDAP updates were disabled, we will reenable them...
2123 */
2124
2125 if (! BrowseLDAPUpdate)
2126 {
2127 BrowseLDAPUpdate = TRUE;
2128 cupsdLogMessage(CUPSD_LOG_INFO,
2129 "LDAP update enabled");
2130 }
2131
2132 /*
2133 * Count LDAP entries and return if no entry exist...
2134 */
2135
2136 limit = ldap_count_entries(BrowseLDAPHandle, res);
2137 cupsdLogMessage(CUPSD_LOG_DEBUG2, "LDAP search returned %d entries", limit);
2138 if (limit < 1)
2139 {
2140 ldap_freeres(res);
2141 return;
2142 }
2143
2144 /*
2145 * Loop through the available printers...
2146 */
2147
2148 for (e = ldap_first_entry(BrowseLDAPHandle, res);
2149 e;
2150 e = ldap_next_entry(BrowseLDAPHandle, e))
2151 {
2152 /*
2153 * Get the required values from this entry...
2154 */
2155
2156 if (ldap_getval_firststring(BrowseLDAPHandle, e,
2157 "printerDescription", info, sizeof(info)) == -1)
2158 continue;
2159
2160 if (ldap_getval_firststring(BrowseLDAPHandle, e,
2161 "printerLocation", location, sizeof(location)) == -1)
2162 continue;
2163
2164 if (ldap_getval_firststring(BrowseLDAPHandle, e,
2165 "printerMakeAndModel", make_model, sizeof(make_model)) == -1)
2166 continue;
2167
2168 if (ldap_getval_firststring(BrowseLDAPHandle, e,
2169 "printerType", type_num, sizeof(type_num)) == -1)
2170 continue;
2171
2172 type = atoi(type_num);
2173
2174 if (ldap_getval_firststring(BrowseLDAPHandle, e,
2175 "printerURI", uri, sizeof(uri)) == -1)
2176 continue;
2177
2178 /*
2179 * Process the entry as browse data...
2180 */
2181
2182 if (!is_local_queue(uri, host, sizeof(host), resource, sizeof(resource)))
2183 process_browse_data(uri, host, resource, type, IPP_PRINTER_IDLE,
2184 location, info, make_model, 0, NULL);
2185
2186 }
2187
2188 ldap_freeres(res);
2189 }
2190 #endif /* HAVE_LDAP */
2191
2192
2193 #ifdef HAVE_LIBSLP
2194 /*
2195 * 'cupsdUpdateSLPBrowse()' - Get browsing information via SLP.
2196 */
2197
2198 void
2199 cupsdUpdateSLPBrowse(void)
2200 {
2201 slpsrvurl_t *s, /* Temporary list of service URLs */
2202 *next; /* Next service in list */
2203 cupsd_printer_t p; /* Printer information */
2204 const char *uri; /* Pointer to printer URI */
2205 char host[HTTP_MAX_URI], /* Host portion of URI */
2206 resource[HTTP_MAX_URI]; /* Resource portion of URI */
2207
2208
2209 /*
2210 * Reset the refresh time...
2211 */
2212
2213 BrowseSLPRefresh = time(NULL) + BrowseInterval;
2214
2215 /*
2216 * Poll for remote printers using SLP...
2217 */
2218
2219 s = NULL;
2220
2221 SLPFindSrvs(BrowseSLPHandle, SLP_CUPS_SRVTYPE, "", "",
2222 slp_url_callback, &s);
2223
2224 /*
2225 * Loop through the list of available printers...
2226 */
2227
2228 for (; s; s = next)
2229 {
2230 /*
2231 * Save the "next" pointer...
2232 */
2233
2234 next = s->next;
2235
2236 /*
2237 * Load a cupsd_printer_t structure with the SLP service attributes...
2238 */
2239
2240 SLPFindAttrs(BrowseSLPHandle, s->url, "", "", slp_attr_callback, &p);
2241
2242 /*
2243 * Process this printer entry...
2244 */
2245
2246 uri = s->url + SLP_CUPS_SRVLEN + 1;
2247
2248 if (!strncmp(uri, "http://", 7) || !strncmp(uri, "ipp://", 6))
2249 {
2250 /*
2251 * Pull the URI apart to see if this is a local or remote printer...
2252 */
2253
2254 if (!is_local_queue(uri, host, sizeof(host), resource, sizeof(resource)))
2255 process_browse_data(uri, host, resource, p.type, IPP_PRINTER_IDLE,
2256 p.location, p.info, p.make_model, 0, NULL);
2257 }
2258
2259 /*
2260 * Free this listing...
2261 */
2262
2263 cupsdClearString(&p.info);
2264 cupsdClearString(&p.location);
2265 cupsdClearString(&p.make_model);
2266
2267 free(s);
2268 }
2269 }
2270 #endif /* HAVE_LIBSLP */
2271
2272
2273 /*
2274 * 'dequote()' - Remote quotes from a string.
2275 */
2276
2277 static char * /* O - Dequoted string */
2278 dequote(char *d, /* I - Destination string */
2279 const char *s, /* I - Source string */
2280 int dlen) /* I - Destination length */
2281 {
2282 char *dptr; /* Pointer into destination */
2283
2284
2285 if (s)
2286 {
2287 for (dptr = d, dlen --; *s && dlen > 0; s ++)
2288 if (*s != '\"')
2289 {
2290 *dptr++ = *s;
2291 dlen --;
2292 }
2293
2294 *dptr = '\0';
2295 }
2296 else
2297 *d = '\0';
2298
2299 return (d);
2300 }
2301
2302
2303 #ifdef HAVE_DNSSD
2304 # ifdef HAVE_COREFOUNDATION
2305 /*
2306 * 'dnssdAddAlias()' - Add a DNS-SD alias name.
2307 */
2308
2309 static void
2310 dnssdAddAlias(const void *key, /* I - Key */
2311 const void *value, /* I - Value (domain) */
2312 void *context) /* I - Unused */
2313 {
2314 char valueStr[1024], /* Domain string */
2315 hostname[1024]; /* Complete hostname */
2316
2317
2318 (void)context;
2319
2320 if (CFGetTypeID((CFStringRef)value) == CFStringGetTypeID() &&
2321 CFStringGetCString((CFStringRef)value, valueStr, sizeof(valueStr),
2322 kCFStringEncodingUTF8))
2323 {
2324 snprintf(hostname, sizeof(hostname), "%s.%s", DNSSDHostName, valueStr);
2325 if (!DNSSDAlias)
2326 DNSSDAlias = cupsArrayNew(NULL, NULL);
2327
2328 cupsdAddAlias(DNSSDAlias, hostname);
2329 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added Back to My Mac ServerAlias %s",
2330 hostname);
2331 }
2332 else
2333 cupsdLogMessage(CUPSD_LOG_ERROR,
2334 "Bad Back to My Mac domain in dynamic store!");
2335 }
2336 # endif /* HAVE_COREFOUNDATION */
2337
2338
2339 /*
2340 * 'dnssdBuildTxtRecord()' - Build a TXT record from printer info.
2341 */
2342
2343 static char * /* O - TXT record */
2344 dnssdBuildTxtRecord(
2345 int *txt_len, /* O - TXT record length */
2346 cupsd_printer_t *p, /* I - Printer information */
2347 int for_lpd) /* I - 1 = LPD, 0 = IPP */
2348 {
2349 int i; /* Looping var */
2350 char type_str[32], /* Type to string buffer */
2351 state_str[32], /* State to string buffer */
2352 rp_str[1024], /* Queue name string buffer */
2353 air_str[1024], /* auth-info-required string buffer */
2354 *keyvalue[32][2]; /* Table of key/value pairs */
2355
2356
2357 /*
2358 * Load up the key value pairs...
2359 */
2360
2361 i = 0;
2362
2363 keyvalue[i ][0] = "txtvers";
2364 keyvalue[i++][1] = "1";
2365
2366 keyvalue[i ][0] = "qtotal";
2367 keyvalue[i++][1] = "1";
2368
2369 keyvalue[i ][0] = "rp";
2370 keyvalue[i++][1] = rp_str;
2371 if (for_lpd)
2372 strlcpy(rp_str, p->name, sizeof(rp_str));
2373 else
2374 snprintf(rp_str, sizeof(rp_str), "%s/%s",
2375 (p->type & CUPS_PRINTER_CLASS) ? "classes" : "printers", p->name);
2376
2377 keyvalue[i ][0] = "ty";
2378 keyvalue[i++][1] = p->make_model ? p->make_model : "Unknown";
2379
2380 if (p->location && *p->location != '\0')
2381 {
2382 keyvalue[i ][0] = "note";
2383 keyvalue[i++][1] = p->location;
2384 }
2385
2386 keyvalue[i ][0] = "priority";
2387 keyvalue[i++][1] = for_lpd ? "100" : "0";
2388
2389 keyvalue[i ][0] = "product";
2390 keyvalue[i++][1] = p->product ? p->product : "Unknown";
2391
2392 snprintf(type_str, sizeof(type_str), "0x%X", p->type | CUPS_PRINTER_REMOTE);
2393 snprintf(state_str, sizeof(state_str), "%d", p->state);
2394
2395 keyvalue[i ][0] = "printer-state";
2396 keyvalue[i++][1] = state_str;
2397
2398 keyvalue[i ][0] = "printer-type";
2399 keyvalue[i++][1] = type_str;
2400
2401 keyvalue[i ][0] = "Transparent";
2402 keyvalue[i++][1] = "T";
2403
2404 keyvalue[i ][0] = "Binary";
2405 keyvalue[i++][1] = "T";
2406
2407 if ((p->type & CUPS_PRINTER_FAX))
2408 {
2409 keyvalue[i ][0] = "Fax";
2410 keyvalue[i++][1] = "T";
2411 }
2412
2413 if ((p->type & CUPS_PRINTER_COLOR))
2414 {
2415 keyvalue[i ][0] = "Color";
2416 keyvalue[i++][1] = "T";
2417 }
2418
2419 if ((p->type & CUPS_PRINTER_DUPLEX))
2420 {
2421 keyvalue[i ][0] = "Duplex";
2422 keyvalue[i++][1] = "T";
2423 }
2424
2425 if ((p->type & CUPS_PRINTER_STAPLE))
2426 {
2427 keyvalue[i ][0] = "Staple";
2428 keyvalue[i++][1] = "T";
2429 }
2430
2431 if ((p->type & CUPS_PRINTER_COPIES))
2432 {
2433 keyvalue[i ][0] = "Copies";
2434 keyvalue[i++][1] = "T";
2435 }
2436
2437 if ((p->type & CUPS_PRINTER_COLLATE))
2438 {
2439 keyvalue[i ][0] = "Collate";
2440 keyvalue[i++][1] = "T";
2441 }
2442
2443 if ((p->type & CUPS_PRINTER_PUNCH))
2444 {
2445 keyvalue[i ][0] = "Punch";
2446 keyvalue[i++][1] = "T";
2447 }
2448
2449 if ((p->type & CUPS_PRINTER_BIND))
2450 {
2451 keyvalue[i ][0] = "Bind";
2452 keyvalue[i++][1] = "T";
2453 }
2454
2455 if ((p->type & CUPS_PRINTER_SORT))
2456 {
2457 keyvalue[i ][0] = "Sort";
2458 keyvalue[i++][1] = "T";
2459 }
2460
2461 keyvalue[i ][0] = "pdl";
2462 keyvalue[i++][1] = p->pdl ? p->pdl : "application/postscript";
2463
2464 if (get_auth_info_required(p, air_str, sizeof(air_str)))
2465 {
2466 keyvalue[i ][0] = "air";
2467 keyvalue[i++][1] = air_str;
2468 }
2469
2470 /*
2471 * Then pack them into a proper txt record...
2472 */
2473
2474 return (dnssdPackTxtRecord(txt_len, keyvalue, i));
2475 }
2476
2477
2478 /*
2479 * 'dnssdComparePrinters()' - Compare the registered names of two printers.
2480 */
2481
2482 static int /* O - Result of comparison */
2483 dnssdComparePrinters(cupsd_printer_t *a,/* I - First printer */
2484 cupsd_printer_t *b)/* I - Second printer */
2485 {
2486 return (strcasecmp(a->reg_name, b->reg_name));
2487 }
2488
2489
2490 /*
2491 * 'dnssdDeregisterPrinter()' - Stop sending broadcast information for a
2492 * printer.
2493 */
2494
2495 static void
2496 dnssdDeregisterPrinter(
2497 cupsd_printer_t *p) /* I - Printer */
2498 {
2499 cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdDeregisterPrinter(%s)", p->name);
2500
2501 /*
2502 * Closing the socket deregisters the service
2503 */
2504
2505 if (p->ipp_ref)
2506 {
2507 DNSServiceRefDeallocate(p->ipp_ref);
2508 p->ipp_ref = NULL;
2509 }
2510
2511 if (p->ipp_txt)
2512 {
2513 /*
2514 * p->ipp_txt is malloc'd, not _cupsStrAlloc'd...
2515 */
2516
2517 free(p->ipp_txt);
2518 p->ipp_txt = NULL;
2519 }
2520
2521 if (p->printer_ref)
2522 {
2523 DNSServiceRefDeallocate(p->printer_ref);
2524 p->printer_ref = NULL;
2525 }
2526
2527 if (p->printer_txt)
2528 {
2529 /*
2530 * p->printer_txt is malloc'd, not _cupsStrAlloc'd...
2531 */
2532
2533 free(p->printer_txt);
2534 p->printer_txt = NULL;
2535 }
2536
2537 /*
2538 * Remove the printer from the array of DNS-SD printers, then clear the
2539 * registered name...
2540 */
2541
2542 cupsArrayRemove(DNSSDPrinters, p);
2543 cupsdClearString(&p->reg_name);
2544 }
2545
2546
2547 /*
2548 * 'dnssdPackTxtRecord()' - Pack an array of key/value pairs into the
2549 * TXT record format.
2550 */
2551
2552 static char * /* O - TXT record */
2553 dnssdPackTxtRecord(int *txt_len, /* O - TXT record length */
2554 char *keyvalue[][2], /* I - Table of key value pairs */
2555 int count) /* I - Items in table */
2556 {
2557 int i; /* Looping var */
2558 int length; /* Length of TXT record */
2559 int length2; /* Length of value */
2560 char *txtRecord; /* TXT record buffer */
2561 char *cursor; /* Looping pointer */
2562
2563
2564 /*
2565 * Calculate the buffer size
2566 */
2567
2568 for (length = i = 0; i < count; i++)
2569 length += 1 + strlen(keyvalue[i][0]) +
2570 (keyvalue[i][1] ? 1 + strlen(keyvalue[i][1]) : 0);
2571
2572 /*
2573 * Allocate and fill it
2574 */
2575
2576 txtRecord = malloc(length);
2577 if (txtRecord)
2578 {
2579 *txt_len = length;
2580
2581 for (cursor = txtRecord, i = 0; i < count; i++)
2582 {
2583 /*
2584 * Drop in the p-string style length byte followed by the data
2585 */
2586
2587 length = strlen(keyvalue[i][0]);
2588 length2 = keyvalue[i][1] ? 1 + strlen(keyvalue[i][1]) : 0;
2589
2590 *cursor++ = (unsigned char)(length + length2);
2591
2592 memcpy(cursor, keyvalue[i][0], length);
2593 cursor += length;
2594
2595 if (length2)
2596 {
2597 length2 --;
2598 *cursor++ = '=';
2599 memcpy(cursor, keyvalue[i][1], length2);
2600 cursor += length2;
2601 }
2602 }
2603 }
2604
2605 return (txtRecord);
2606 }
2607
2608
2609 /*
2610 * 'dnssdRegisterCallback()' - DNSServiceRegister callback.
2611 */
2612
2613 static void
2614 dnssdRegisterCallback(
2615 DNSServiceRef sdRef, /* I - DNS Service reference */
2616 DNSServiceFlags flags, /* I - Reserved for future use */
2617 DNSServiceErrorType errorCode, /* I - Error code */
2618 const char *name, /* I - Service name */
2619 const char *regtype, /* I - Service type */
2620 const char *domain, /* I - Domain. ".local" for now */
2621 void *context) /* I - User-defined context */
2622 {
2623 cupsd_printer_t *p = (cupsd_printer_t *)context;
2624 /* Current printer */
2625
2626
2627 cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterCallback(%s, %s) for %s (%s)",
2628 name, regtype, p ? p->name : "Web Interface",
2629 p ? (p->reg_name ? p->reg_name : "(null)") : "NA");
2630
2631 if (errorCode)
2632 {
2633 cupsdLogMessage(CUPSD_LOG_ERROR,
2634 "DNSServiceRegister failed with error %d", (int)errorCode);
2635 return;
2636 }
2637 else if (p && (!p->reg_name || strcasecmp(name, p->reg_name)))
2638 {
2639 cupsdLogMessage(CUPSD_LOG_INFO, "Using service name \"%s\" for \"%s\"",
2640 name, p->name);
2641
2642 cupsArrayRemove(DNSSDPrinters, p);
2643 cupsdSetString(&p->reg_name, name);
2644 cupsArrayAdd(DNSSDPrinters, p);
2645
2646 LastEvent |= CUPSD_EVENT_PRINTER_MODIFIED;
2647 }
2648 }
2649
2650
2651 /*
2652 * 'dnssdRegisterPrinter()' - Start sending broadcast information for a printer
2653 * or update the broadcast contents.
2654 */
2655
2656 static void
2657 dnssdRegisterPrinter(cupsd_printer_t *p)/* I - Printer */
2658 {
2659 DNSServiceErrorType se; /* dnssd errors */
2660 char *ipp_txt, /* IPP TXT record buffer */
2661 *printer_txt, /* LPD TXT record buffer */
2662 name[1024], /* Service name */
2663 *nameptr; /* Pointer into name */
2664 int ipp_len, /* IPP TXT record length */
2665 printer_len; /* LPD TXT record length */
2666 const char *regtype; /* Registration type */
2667
2668
2669 cupsdLogMessage(CUPSD_LOG_DEBUG2, "dnssdRegisterPrinter(%s) %s", p->name,
2670 !p->ipp_ref ? "new" : "update");
2671
2672 /*
2673 * If per-printer sharing was just disabled make sure we're not
2674 * registered before returning.
2675 */
2676
2677 if (!p->shared)
2678 {
2679 dnssdDeregisterPrinter(p);
2680 return;
2681 }
2682
2683 /*
2684 * The registered name takes the form of "<printer-info> @ <computer name>"...
2685 */
2686
2687 if (p->info && strlen(p->info) > 0)
2688 {
2689 if (DNSSDComputerName)
2690 snprintf(name, sizeof(name), "%s @ %s", p->info, DNSSDComputerName);
2691 else
2692 strlcpy(name, p->info, sizeof(name));
2693 }
2694 else if (DNSSDComputerName)
2695 snprintf(name, sizeof(name), "%s @ %s", p->name, DNSSDComputerName);
2696 else
2697 strlcpy(name, p->name, sizeof(name));
2698
2699 /*
2700 * If an existing printer was renamed, unregister it and start over...
2701 */
2702
2703 if (p->reg_name && strcmp(p->reg_name, name))
2704 dnssdDeregisterPrinter(p);
2705
2706 if (!p->reg_name)
2707 {
2708 cupsdSetString(&p->reg_name, name);
2709 cupsArrayAdd(DNSSDPrinters, p);
2710 }
2711
2712 /*
2713 * Register IPP and (optionally) LPD...
2714 */
2715
2716 ipp_len = 0; /* anti-compiler-warning-code */
2717 ipp_txt = dnssdBuildTxtRecord(&ipp_len, p, 0);
2718
2719 if (p->ipp_ref &&
2720 (ipp_len != p->ipp_len || memcmp(ipp_txt, p->ipp_txt, ipp_len)))
2721 {
2722 /*
2723 * Update the existing registration...
2724 */
2725
2726 /* A TTL of 0 means use record's original value (Radar 3176248) */
2727 if ((se = DNSServiceUpdateRecord(p->ipp_ref, NULL, 0, ipp_len, ipp_txt,
2728 0)) == kDNSServiceErr_NoError)
2729 {
2730 if (p->ipp_txt)
2731 free(p->ipp_txt);
2732
2733 p->ipp_txt = ipp_txt;
2734 p->ipp_len = ipp_len;
2735 ipp_txt = NULL;
2736 }
2737 else
2738 {
2739 /*
2740 * Failed to update record, lets close this reference and move on...
2741 */
2742
2743 cupsdLogMessage(CUPSD_LOG_ERROR,
2744 "Unable to update IPP DNS-SD record for %s - %d", p->name,
2745 se);
2746
2747 DNSServiceRefDeallocate(p->ipp_ref);
2748 p->ipp_ref = NULL;
2749 }
2750 }
2751
2752 if (!p->ipp_ref)
2753 {
2754 /*
2755 * Initial registration. Use the _fax subtype for fax queues...
2756 */
2757
2758 regtype = (p->type & CUPS_PRINTER_FAX) ? "_fax-ipp._tcp" :
2759 "_ipp._tcp,_cups";
2760
2761 cupsdLogMessage(CUPSD_LOG_DEBUG,
2762 "Registering DNS-SD printer %s with name \"%s\" and "
2763 "type \"%s\"", p->name, name, regtype);
2764
2765 /*
2766 * Register the queue, dropping characters as needed until we succeed...
2767 */
2768
2769 nameptr = name + strlen(name);
2770
2771 do
2772 {
2773 p->ipp_ref = DNSSDRef;
2774 if ((se = DNSServiceRegister(&p->ipp_ref, kDNSServiceFlagsShareConnection,
2775 0, name, regtype, NULL, NULL,
2776 htons(DNSSDPort), ipp_len, ipp_txt,
2777 dnssdRegisterCallback,
2778 p)) == kDNSServiceErr_BadParam)
2779 {
2780 /*
2781 * Name is too long, drop trailing characters, taking into account
2782 * UTF-8 encoding...
2783 */
2784
2785 nameptr --;
2786
2787 while (nameptr > name && (*nameptr & 0xc0) == 0x80)
2788 nameptr --;
2789
2790 if (nameptr > name)
2791 *nameptr = '\0';
2792 }
2793 }
2794 while (se == kDNSServiceErr_BadParam && nameptr > name);
2795
2796 if (se == kDNSServiceErr_NoError)
2797 {
2798 p->ipp_txt = ipp_txt;
2799 p->ipp_len = ipp_len;
2800 ipp_txt = NULL;
2801 }
2802 else
2803 cupsdLogMessage(CUPSD_LOG_WARN,
2804 "DNS-SD IPP registration of \"%s\" failed: %d",
2805 p->name, se);
2806 }
2807
2808 if (ipp_txt)
2809 free(ipp_txt);
2810
2811 if (BrowseLocalProtocols & BROWSE_LPD)
2812 {
2813 printer_len = 0; /* anti-compiler-warning-code */
2814 printer_txt = dnssdBuildTxtRecord(&printer_len, p, 1);
2815
2816 if (p->printer_ref &&
2817 (printer_len != p->printer_len ||
2818 memcmp(printer_txt, p->printer_txt, printer_len)))
2819 {
2820 /*
2821 * Update the existing registration...
2822 */
2823
2824 /* A TTL of 0 means use record's original value (Radar 3176248) */
2825 if ((se = DNSServiceUpdateRecord(p->printer_ref, NULL, 0, printer_len,
2826 printer_txt,
2827 0)) == kDNSServiceErr_NoError)
2828 {
2829 if (p->printer_txt)
2830 free(p->printer_txt);
2831
2832 p->printer_txt = printer_txt;
2833 p->printer_len = printer_len;
2834 printer_txt = NULL;
2835 }
2836 else
2837 {
2838 /*
2839 * Failed to update record, lets close this reference and move on...
2840 */
2841
2842 cupsdLogMessage(CUPSD_LOG_ERROR,
2843 "Unable to update LPD DNS-SD record for %s - %d",
2844 p->name, se);
2845
2846 DNSServiceRefDeallocate(p->printer_ref);
2847 p->printer_ref = NULL;
2848 }
2849 }
2850
2851 if (!p->printer_ref)
2852 {
2853 /*
2854 * Initial registration...
2855 */
2856
2857 cupsdLogMessage(CUPSD_LOG_DEBUG,
2858 "Registering DNS-SD printer %s with name \"%s\" and "
2859 "type \"_printer._tcp\"", p->name, name);
2860
2861 p->printer_ref = DNSSDRef;
2862 if ((se = DNSServiceRegister(&p->printer_ref,
2863 kDNSServiceFlagsShareConnection,
2864 0, name, "_printer._tcp", NULL, NULL,
2865 htons(515), printer_len, printer_txt,
2866 dnssdRegisterCallback,
2867 p)) == kDNSServiceErr_NoError)
2868 {
2869 p->printer_txt = printer_txt;
2870 p->printer_len = printer_len;
2871 printer_txt = NULL;
2872 }
2873 else
2874 cupsdLogMessage(CUPSD_LOG_WARN,
2875 "DNS-SD LPD registration of \"%s\" failed: %d",
2876 p->name, se);
2877 }
2878
2879 if (printer_txt)
2880 free(printer_txt);
2881 }
2882 }
2883
2884
2885 /*
2886 * 'dnssdStop()' - Stop all DNS-SD registrations.
2887 */
2888
2889 static void
2890 dnssdStop(void)
2891 {
2892 cupsd_printer_t *p; /* Current printer */
2893
2894
2895 /*
2896 * De-register the individual printers
2897 */
2898
2899 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
2900 p;
2901 p = (cupsd_printer_t *)cupsArrayNext(Printers))
2902 dnssdDeregisterPrinter(p);
2903
2904 /*
2905 * Shutdown the rest of the service refs...
2906 */
2907
2908 if (WebIFRef)
2909 {
2910 DNSServiceRefDeallocate(WebIFRef);
2911 WebIFRef = NULL;
2912 }
2913
2914 if (RemoteRef)
2915 {
2916 DNSServiceRefDeallocate(RemoteRef);
2917 RemoteRef = NULL;
2918 }
2919
2920 cupsdRemoveSelect(DNSServiceRefSockFD(DNSSDRef));
2921
2922 DNSServiceRefDeallocate(DNSSDRef);
2923 DNSSDRef = NULL;
2924
2925 cupsArrayDelete(DNSSDPrinters);
2926 DNSSDPrinters = NULL;
2927
2928 DNSSDPort = 0;
2929 }
2930
2931
2932 /*
2933 * 'dnssdUpdate()' - Handle DNS-SD queries.
2934 */
2935
2936 static void
2937 dnssdUpdate(void)
2938 {
2939 DNSServiceErrorType sdErr; /* Service discovery error */
2940
2941
2942 if ((sdErr = DNSServiceProcessResult(DNSSDRef)) != kDNSServiceErr_NoError)
2943 {
2944 cupsdLogMessage(CUPSD_LOG_ERROR,
2945 "DNS Service Discovery registration error %d!",
2946 sdErr);
2947 dnssdStop();
2948 }
2949 }
2950 #endif /* HAVE_DNSSD */
2951
2952
2953 /*
2954 * 'get_auth_info_required()' - Get the auth-info-required value to advertise.
2955 */
2956
2957 static char * /* O - String or NULL if none */
2958 get_auth_info_required(
2959 cupsd_printer_t *p, /* I - Printer */
2960 char *buffer, /* I - Value buffer */
2961 size_t bufsize) /* I - Size of value buffer */
2962 {
2963 cupsd_location_t *auth; /* Pointer to authentication element */
2964 char resource[1024]; /* Printer/class resource path */
2965
2966
2967 /*
2968 * If auth-info-required is set for this printer, return that...
2969 */
2970
2971 if (p->num_auth_info_required > 0 && strcmp(p->auth_info_required[0], "none"))
2972 {
2973 int i; /* Looping var */
2974 char *bufptr; /* Pointer into buffer */
2975
2976 for (i = 0, bufptr = buffer; i < p->num_auth_info_required; i ++)
2977 {
2978 if (bufptr >= (buffer + bufsize - 2))
2979 break;
2980
2981 if (i)
2982 *bufptr++ = ',';
2983
2984 strlcpy(bufptr, p->auth_info_required[i], bufsize - (bufptr - buffer));
2985 bufptr += strlen(bufptr);
2986 }
2987
2988 return (buffer);
2989 }
2990
2991 /*
2992 * Figure out the authentication data requirements to advertise...
2993 */
2994
2995 if (p->type & CUPS_PRINTER_CLASS)
2996 snprintf(resource, sizeof(resource), "/classes/%s", p->name);
2997 else
2998 snprintf(resource, sizeof(resource), "/printers/%s", p->name);
2999
3000 if ((auth = cupsdFindBest(resource, HTTP_POST)) == NULL ||
3001 auth->type == CUPSD_AUTH_NONE)
3002 auth = cupsdFindPolicyOp(p->op_policy_ptr, IPP_PRINT_JOB);
3003
3004 if (auth)
3005 {
3006 int auth_type; /* Authentication type */
3007
3008 if ((auth_type = auth->type) == CUPSD_AUTH_DEFAULT)
3009 auth_type = DefaultAuthType;
3010
3011 switch (auth_type)
3012 {
3013 case CUPSD_AUTH_NONE :
3014 return (NULL);
3015
3016 case CUPSD_AUTH_NEGOTIATE :
3017 strlcpy(buffer, "negotiate", bufsize);
3018 break;
3019
3020 default :
3021 strlcpy(buffer, "username,password", bufsize);
3022 break;
3023 }
3024
3025 return (buffer);
3026 }
3027
3028 return (NULL);
3029 }
3030
3031
3032 #ifdef __APPLE__
3033 /*
3034 * 'get_hostconfig()' - Get an /etc/hostconfig service setting.
3035 */
3036
3037 static int /* O - 1 for YES or AUTOMATIC, 0 for NO */
3038 get_hostconfig(const char *name) /* I - Name of service */
3039 {
3040 cups_file_t *fp; /* Hostconfig file */
3041 char line[1024], /* Line from file */
3042 *ptr; /* Pointer to value */
3043 int state = 1; /* State of service */
3044
3045
3046 /*
3047 * Try opening the /etc/hostconfig file; if we can't open it, assume that
3048 * the service is enabled/auto.
3049 */
3050
3051 if ((fp = cupsFileOpen("/etc/hostconfig", "r")) != NULL)
3052 {
3053 /*
3054 * Read lines from the file until we find the service...
3055 */
3056
3057 while (cupsFileGets(fp, line, sizeof(line)))
3058 {
3059 if (line[0] == '#' || (ptr = strchr(line, '=')) == NULL)
3060 continue;
3061
3062 *ptr++ = '\0';
3063
3064 if (!strcasecmp(line, name))
3065 {
3066 /*
3067 * Found the service, see if it is set to "-NO-"...
3068 */
3069
3070 if (!strncasecmp(ptr, "-NO-", 4))
3071 state = 0;
3072 break;
3073 }
3074 }
3075
3076 cupsFileClose(fp);
3077 }
3078
3079 return (state);
3080 }
3081 #endif /* __APPLE__ */
3082
3083
3084 /*
3085 * 'is_local_queue()' - Determine whether the URI points at a local queue.
3086 */
3087
3088 static int /* O - 1 = local, 0 = remote, -1 = bad URI */
3089 is_local_queue(const char *uri, /* I - Printer URI */
3090 char *host, /* O - Host string */
3091 int hostlen, /* I - Length of host buffer */
3092 char *resource, /* O - Resource string */
3093 int resourcelen) /* I - Length of resource buffer */
3094 {
3095 char scheme[32], /* Scheme portion of URI */
3096 username[HTTP_MAX_URI]; /* Username portion of URI */
3097 int port; /* Port portion of URI */
3098 cupsd_netif_t *iface; /* Network interface */
3099
3100
3101 /*
3102 * Pull the URI apart to see if this is a local or remote printer...
3103 */
3104
3105 if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, sizeof(scheme),
3106 username, sizeof(username), host, hostlen, &port,
3107 resource, resourcelen) < HTTP_URI_OK)
3108 return (-1);
3109
3110 DEBUG_printf(("host=\"%s\", ServerName=\"%s\"\n", host, ServerName));
3111
3112 /*
3113 * Check for local server addresses...
3114 */
3115
3116 if (!strcasecmp(host, ServerName) && port == LocalPort)
3117 return (1);
3118
3119 cupsdNetIFUpdate();
3120
3121 for (iface = (cupsd_netif_t *)cupsArrayFirst(NetIFList);
3122 iface;
3123 iface = (cupsd_netif_t *)cupsArrayNext(NetIFList))
3124 if (!strcasecmp(host, iface->hostname) && port == iface->port)
3125 return (1);
3126
3127 /*
3128 * If we get here, the printer is remote...
3129 */
3130
3131 return (0);
3132 }
3133
3134
3135 /*
3136 * 'process_browse_data()' - Process new browse data.
3137 */
3138
3139 static void
3140 process_browse_data(
3141 const char *uri, /* I - URI of printer/class */
3142 const char *host, /* I - Hostname */
3143 const char *resource, /* I - Resource path */
3144 cups_ptype_t type, /* I - Printer type */
3145 ipp_pstate_t state, /* I - Printer state */
3146 const char *location, /* I - Printer location */
3147 const char *info, /* I - Printer information */
3148 const char *make_model, /* I - Printer make and model */
3149 int num_attrs, /* I - Number of attributes */
3150 cups_option_t *attrs) /* I - Attributes */
3151 {
3152 int i; /* Looping var */
3153 int update; /* Update printer attributes? */
3154 char finaluri[HTTP_MAX_URI], /* Final URI for printer */
3155 name[IPP_MAX_NAME], /* Name of printer */
3156 newname[IPP_MAX_NAME], /* New name of printer */
3157 *hptr, /* Pointer into hostname */
3158 *sptr; /* Pointer into ServerName */
3159 const char *shortname; /* Short queue name (queue) */
3160 char local_make_model[IPP_MAX_NAME];
3161 /* Local make and model */
3162 cupsd_printer_t *p; /* Printer information */
3163 const char *ipp_options, /* ipp-options value */
3164 *lease_duration; /* lease-duration value */
3165 int is_class; /* Is this queue a class? */
3166
3167
3168 cupsdLogMessage(CUPSD_LOG_DEBUG2,
3169 "process_browse_data(uri=\"%s\", host=\"%s\", "
3170 "resource=\"%s\", type=%x, state=%d, location=\"%s\", "
3171 "info=\"%s\", make_model=\"%s\", num_attrs=%d, attrs=%p)",
3172 uri, host, resource, type, state,
3173 location ? location : "(nil)", info ? info : "(nil)",
3174 make_model ? make_model : "(nil)", num_attrs, attrs);
3175
3176 /*
3177 * Determine if the URI contains any illegal characters in it...
3178 */
3179
3180 if (strncmp(uri, "ipp://", 6) || !host[0] ||
3181 (strncmp(resource, "/printers/", 10) &&
3182 strncmp(resource, "/classes/", 9)))
3183 {
3184 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad printer URI in browse data: %s", uri);
3185 return;
3186 }
3187
3188 if (strchr(resource, '?') ||
3189 (!strncmp(resource, "/printers/", 10) && strchr(resource + 10, '/')) ||
3190 (!strncmp(resource, "/classes/", 9) && strchr(resource + 9, '/')))
3191 {
3192 cupsdLogMessage(CUPSD_LOG_ERROR, "Bad resource in browse data: %s",
3193 resource);
3194 return;
3195 }
3196
3197 /*
3198 * OK, this isn't a local printer; add any remote options...
3199 */
3200
3201 ipp_options = cupsGetOption("ipp-options", num_attrs, attrs);
3202
3203 if (BrowseRemoteOptions)
3204 {
3205 if (BrowseRemoteOptions[0] == '?')
3206 {
3207 /*
3208 * Override server-supplied options...
3209 */
3210
3211 snprintf(finaluri, sizeof(finaluri), "%s%s", uri, BrowseRemoteOptions);
3212 }
3213 else if (ipp_options)
3214 {
3215 /*
3216 * Combine the server and local options...
3217 */
3218
3219 snprintf(finaluri, sizeof(finaluri), "%s?%s+%s", uri, ipp_options,
3220 BrowseRemoteOptions);
3221 }
3222 else
3223 {
3224 /*
3225 * Just use the local options...
3226 */
3227
3228 snprintf(finaluri, sizeof(finaluri), "%s?%s", uri, BrowseRemoteOptions);
3229 }
3230
3231 uri = finaluri;
3232 }
3233 else if (ipp_options)
3234 {
3235 /*
3236 * Just use the server-supplied options...
3237 */
3238
3239 snprintf(finaluri, sizeof(finaluri), "%s?%s", uri, ipp_options);
3240 uri = finaluri;
3241 }
3242
3243 /*
3244 * See if we already have it listed in the Printers list, and add it if not...
3245 */
3246
3247 type |= CUPS_PRINTER_REMOTE | CUPS_PRINTER_DISCOVERED;
3248 type &= ~CUPS_PRINTER_IMPLICIT;
3249 update = 0;
3250 hptr = strchr(host, '.');
3251 sptr = strchr(ServerName, '.');
3252 is_class = type & CUPS_PRINTER_CLASS;
3253
3254 if (!ServerNameIsIP && sptr != NULL && hptr != NULL)
3255 {
3256 /*
3257 * Strip the common domain name components...
3258 */
3259
3260 while (hptr != NULL)
3261 {
3262 if (!strcasecmp(hptr, sptr))
3263 {
3264 *hptr = '\0';
3265 break;
3266 }
3267 else
3268 hptr = strchr(hptr + 1, '.');
3269 }
3270 }
3271
3272 if (is_class)
3273 {
3274 /*
3275 * Remote destination is a class...
3276 */
3277
3278 if (!strncmp(resource, "/classes/", 9))
3279 snprintf(name, sizeof(name), "%s@%s", resource + 9, host);
3280 else
3281 return;
3282
3283 shortname = resource + 9;
3284 }
3285 else
3286 {
3287 /*
3288 * Remote destination is a printer...
3289 */
3290
3291 if (!strncmp(resource, "/printers/", 10))
3292 snprintf(name, sizeof(name), "%s@%s", resource + 10, host);
3293 else
3294 return;
3295
3296 shortname = resource + 10;
3297 }
3298
3299 if (hptr && !*hptr)
3300 *hptr = '.'; /* Resource FQDN */
3301
3302 if ((p = cupsdFindDest(name)) == NULL && BrowseShortNames)
3303 {
3304 /*
3305 * Long name doesn't exist, try short name...
3306 */
3307
3308 cupsdLogMessage(CUPSD_LOG_DEBUG, "process_browse_data: %s not found...",
3309 name);
3310
3311 if ((p = cupsdFindDest(shortname)) == NULL)
3312 {
3313 /*
3314 * Short name doesn't exist, use it for this shared queue.
3315 */
3316
3317 cupsdLogMessage(CUPSD_LOG_DEBUG2, "process_browse_data: %s not found...",
3318 shortname);
3319 strlcpy(name, shortname, sizeof(name));
3320 }
3321 else
3322 {
3323 /*
3324 * Short name exists...
3325 */
3326
3327 cupsdLogMessage(CUPSD_LOG_DEBUG2,
3328 "process_browse_data: %s found, type=%x, hostname=%s...",
3329 shortname, p->type, p->hostname ? p->hostname : "(nil)");
3330
3331 if (p->type & CUPS_PRINTER_IMPLICIT)
3332 p = NULL; /* Don't replace implicit classes */
3333 else if (p->hostname && strcasecmp(p->hostname, host))
3334 {
3335 /*
3336 * Short name exists but is for a different host. If this is a remote
3337 * queue, rename it and use the long name...
3338 */
3339
3340 if (p->type & CUPS_PRINTER_REMOTE)
3341 {
3342 cupsdLogMessage(CUPSD_LOG_DEBUG,
3343 "Renamed remote %s \"%s\" to \"%s@%s\"...",
3344 is_class ? "class" : "printer", p->name, p->name,
3345 p->hostname);
3346 cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
3347 "%s \'%s\' deleted by directory services.",
3348 is_class ? "Class" : "Printer", p->name);
3349
3350 snprintf(newname, sizeof(newname), "%s@%s", p->name, p->hostname);
3351 cupsdRenamePrinter(p, newname);
3352
3353 cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
3354 "%s \'%s\' added by directory services.",
3355 is_class ? "Class" : "Printer", p->name);
3356 }
3357
3358 /*
3359 * Force creation with long name...
3360 */
3361
3362 p = NULL;
3363 }
3364 }
3365 }
3366 else if (p)
3367 cupsdLogMessage(CUPSD_LOG_DEBUG2,
3368 "process_browse_data: %s found, type=%x, hostname=%s...",
3369 name, p->type, p->hostname ? p->hostname : "(nil)");
3370
3371 if (!p)
3372 {
3373 /*
3374 * Queue doesn't exist; add it...
3375 */
3376
3377 if (is_class)
3378 p = cupsdAddClass(name);
3379 else
3380 p = cupsdAddPrinter(name);
3381
3382 if (!p)
3383 return;
3384
3385 cupsdClearString(&(p->hostname));
3386
3387 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added remote %s \"%s\"...",
3388 is_class ? "class" : "printer", name);
3389
3390 cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
3391 "%s \'%s\' added by directory services.",
3392 is_class ? "Class" : "Printer", name);
3393
3394 /*
3395 * Force the URI to point to the real server...
3396 */
3397
3398 p->type = type & ~CUPS_PRINTER_REJECTING;
3399 p->accepting = 1;
3400
3401 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP);
3402 }
3403
3404 if (!p->hostname)
3405 {
3406 /*
3407 * Hostname not set, so this must be a cached remote printer
3408 * that was created for a pending print job...
3409 */
3410
3411 cupsdSetString(&p->hostname, host);
3412 cupsdSetString(&p->uri, uri);
3413 cupsdSetString(&p->device_uri, uri);
3414 update = 1;
3415
3416 cupsdMarkDirty(CUPSD_DIRTY_REMOTE);
3417 }
3418
3419 /*
3420 * Update the state...
3421 */
3422
3423 p->state = state;
3424 p->browse_time = time(NULL);
3425
3426 if ((lease_duration = cupsGetOption("lease-duration", num_attrs,
3427 attrs)) != NULL)
3428 {
3429 /*
3430 * Grab the lease-duration for the browse data; anything less then 1
3431 * second or more than 1 week gets the default BrowseTimeout...
3432 */
3433
3434 i = atoi(lease_duration);
3435 if (i < 1 || i > 604800)
3436 i = BrowseTimeout;
3437
3438 p->browse_expire = p->browse_time + i;
3439 }
3440 else
3441 p->browse_expire = p->browse_time + BrowseTimeout;
3442
3443 if (type & CUPS_PRINTER_REJECTING)
3444 {
3445 type &= ~CUPS_PRINTER_REJECTING;
3446
3447 if (p->accepting)
3448 {
3449 update = 1;
3450 p->accepting = 0;
3451 }
3452 }
3453 else if (!p->accepting)
3454 {
3455 update = 1;
3456 p->accepting = 1;
3457 }
3458
3459 if (p->type != type)
3460 {
3461 p->type = type;
3462 update = 1;
3463 }
3464
3465 if (location && (!p->location || strcmp(p->location, location)))
3466 {
3467 cupsdSetString(&p->location, location);
3468 update = 1;
3469 }
3470
3471 if (info && (!p->info || strcmp(p->info, info)))
3472 {
3473 cupsdSetString(&p->info, info);
3474 update = 1;
3475
3476 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
3477 }
3478
3479 if (!make_model || !make_model[0])
3480 {
3481 if (is_class)
3482 snprintf(local_make_model, sizeof(local_make_model),
3483 "Remote Class on %s", host);
3484 else
3485 snprintf(local_make_model, sizeof(local_make_model),
3486 "Remote Printer on %s", host);
3487 }
3488 else
3489 snprintf(local_make_model, sizeof(local_make_model),
3490 "%s on %s", make_model, host);
3491
3492 if (!p->make_model || strcmp(p->make_model, local_make_model))
3493 {
3494 cupsdSetString(&p->make_model, local_make_model);
3495 update = 1;
3496 }
3497
3498 if (p->num_options)
3499 {
3500 if (!update && !(type & CUPS_PRINTER_DELETE))
3501 {
3502 /*
3503 * See if we need to update the attributes...
3504 */
3505
3506 if (p->num_options != num_attrs)
3507 update = 1;
3508 else
3509 {
3510 for (i = 0; i < num_attrs; i ++)
3511 if (strcmp(attrs[i].name, p->options[i].name) ||
3512 (!attrs[i].value != !p->options[i].value) ||
3513 (attrs[i].value && strcmp(attrs[i].value, p->options[i].value)))
3514 {
3515 update = 1;
3516 break;
3517 }
3518 }
3519 }
3520
3521 /*
3522 * Free the old options...
3523 */
3524
3525 cupsFreeOptions(p->num_options, p->options);
3526 }
3527
3528 p->num_options = num_attrs;
3529 p->options = attrs;
3530
3531 if (type & CUPS_PRINTER_DELETE)
3532 {
3533 cupsdAddEvent(CUPSD_EVENT_PRINTER_DELETED, p, NULL,
3534 "%s \'%s\' deleted by directory services.",
3535 is_class ? "Class" : "Printer", p->name);
3536
3537 cupsdExpireSubscriptions(p, NULL);
3538
3539 cupsdDeletePrinter(p, 1);
3540 cupsdUpdateImplicitClasses();
3541 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
3542 }
3543 else if (update)
3544 {
3545 cupsdSetPrinterAttrs(p);
3546 cupsdUpdateImplicitClasses();
3547 }
3548
3549 /*
3550 * See if we have a default printer... If not, make the first network
3551 * default printer the default.
3552 */
3553
3554 if (DefaultPrinter == NULL && Printers != NULL && UseNetworkDefault)
3555 {
3556 /*
3557 * Find the first network default printer and use it...
3558 */
3559
3560 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers);
3561 p;
3562 p = (cupsd_printer_t *)cupsArrayNext(Printers))
3563 if (p->type & CUPS_PRINTER_DEFAULT)
3564 {
3565 DefaultPrinter = p;
3566 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
3567 break;
3568 }
3569 }
3570
3571 /*
3572 * Do auto-classing if needed...
3573 */
3574
3575 process_implicit_classes();
3576 }
3577
3578
3579 /*
3580 * 'process_implicit_classes()' - Create/update implicit classes as needed.
3581 */
3582
3583 static void
3584 process_implicit_classes(void)
3585 {
3586 int i; /* Looping var */
3587 int update; /* Update printer attributes? */
3588 char name[IPP_MAX_NAME], /* Name of printer */
3589 *hptr; /* Pointer into hostname */
3590 cupsd_printer_t *p, /* Printer information */
3591 *pclass, /* Printer class */
3592 *first; /* First printer in class */
3593 int offset, /* Offset of name */
3594 len; /* Length of name */
3595
3596
3597 if (!ImplicitClasses || !Printers)
3598 return;
3599
3600 /*
3601 * Loop through all available printers and create classes as needed...
3602 */
3603
3604 for (p = (cupsd_printer_t *)cupsArrayFirst(Printers), len = 0, offset = 0,
3605 update = 0, pclass = NULL, first = NULL;
3606 p != NULL;
3607 p = (cupsd_printer_t *)cupsArrayNext(Printers))
3608 {
3609 /*
3610 * Skip implicit classes...
3611 */
3612
3613 if (p->type & CUPS_PRINTER_IMPLICIT)
3614 {
3615 len = 0;
3616 continue;
3617 }
3618
3619 /*
3620 * If len == 0, get the length of this printer name up to the "@"
3621 * sign (if any).
3622 */
3623
3624 cupsArraySave(Printers);
3625
3626 if (len > 0 &&
3627 !strncasecmp(p->name, name + offset, len) &&
3628 (p->name[len] == '\0' || p->name[len] == '@'))
3629 {
3630 /*
3631 * We have more than one printer with the same name; see if
3632 * we have a class, and if this printer is a member...
3633 */
3634
3635 if (pclass && strcasecmp(pclass->name, name))
3636 {
3637 if (update)
3638 cupsdSetPrinterAttrs(pclass);
3639
3640 update = 0;
3641 pclass = NULL;
3642 }
3643
3644 if (!pclass && (pclass = cupsdFindDest(name)) == NULL)
3645 {
3646 /*
3647 * Need to add the class...
3648 */
3649
3650 pclass = cupsdAddPrinter(name);
3651 cupsArrayAdd(ImplicitPrinters, pclass);
3652
3653 pclass->type |= CUPS_PRINTER_IMPLICIT;
3654 pclass->accepting = 1;
3655 pclass->state = IPP_PRINTER_IDLE;
3656
3657 cupsdSetString(&pclass->location, p->location);
3658 cupsdSetString(&pclass->info, p->info);
3659
3660 cupsdSetString(&pclass->job_sheets[0], p->job_sheets[0]);
3661 cupsdSetString(&pclass->job_sheets[1], p->job_sheets[1]);
3662
3663 update = 1;
3664
3665 cupsdMarkDirty(CUPSD_DIRTY_PRINTCAP | CUPSD_DIRTY_REMOTE);
3666
3667 cupsdLogMessage(CUPSD_LOG_DEBUG, "Added implicit class \"%s\"...",
3668 name);
3669 cupsdAddEvent(CUPSD_EVENT_PRINTER_ADDED, p, NULL,
3670 "Implicit class \'%s\' added by directory services.",
3671 name);
3672 }
3673
3674 if (first != NULL)
3675 {
3676 for (i = 0; i < pclass->num_printers; i ++)
3677 if (pclass->printers[i] == first)
3678 break;
3679
3680 if (i >= pclass->num_printers)
3681 {
3682 first->in_implicit_class = 1;
3683 cupsdAddPrinterToClass(pclass, first);
3684 }
3685
3686 first = NULL;
3687 }
3688
3689 for (i = 0; i < pclass->num_printers; i ++)
3690 if (pclass->printers[i] == p)
3691 break;
3692
3693 if (i >= pclass->num_printers)
3694 {
3695 p->in_implicit_class = 1;
3696 cupsdAddPrinterToClass(pclass, p);
3697 update = 1;
3698 }
3699 }
3700 else
3701 {
3702 /*
3703 * First time around; just get name length and mark it as first
3704 * in the list...
3705 */
3706
3707 if ((hptr = strchr(p->name, '@')) != NULL)
3708 len = hptr - p->name;
3709 else
3710 len = strlen(p->name);
3711
3712 if (len >= sizeof(name))
3713 {
3714 /*
3715 * If the printer name length somehow is greater than we normally allow,
3716 * skip this printer...
3717 */
3718
3719 len = 0;
3720 cupsArrayRestore(Printers);
3721 continue;
3722 }
3723
3724 strncpy(name, p->name, len);
3725 name[len] = '\0';
3726 offset = 0;
3727
3728 if ((first = (hptr ? cupsdFindDest(name) : p)) != NULL &&
3729 !(first->type & CUPS_PRINTER_IMPLICIT))
3730 {
3731 /*
3732 * Can't use same name as a local printer; add "Any" to the
3733 * front of the name, unless we have explicitly disabled
3734 * the "ImplicitAnyClasses"...
3735 */
3736
3737 if (ImplicitAnyClasses && len < (sizeof(name) - 4))
3738 {
3739 /*
3740 * Add "Any" to the class name...
3741 */
3742
3743 strcpy(name, "Any");
3744 strncpy(name + 3, p->name, len);
3745 name[len + 3] = '\0';
3746 offset = 3;
3747 }
3748 else
3749 {
3750 /*
3751 * Don't create an implicit class if we have a local printer
3752 * with the same name...
3753 */
3754
3755 len = 0;
3756 cupsArrayRestore(Printers);
3757 continue;
3758 }
3759 }
3760
3761 first = p;
3762 }
3763
3764 cupsArrayRestore(Printers);
3765 }
3766
3767 /*
3768 * Update the last printer class as needed...
3769 */
3770
3771 if (pclass && update)
3772 cupsdSetPrinterAttrs(pclass);
3773 }
3774
3775
3776 /*
3777 * 'send_cups_browse()' - Send new browsing information using the CUPS
3778 * protocol.
3779 */
3780
3781 static void
3782 send_cups_browse(cupsd_printer_t *p) /* I - Printer to send */
3783 {
3784 int i; /* Looping var */
3785 cups_ptype_t type; /* Printer type */
3786 cupsd_dirsvc_addr_t *b; /* Browse address */
3787 int bytes; /* Length of packet */
3788 char packet[1453], /* Browse data packet */
3789 uri[1024], /* Printer URI */
3790 location[1024], /* printer-location */
3791 info[1024], /* printer-info */
3792 make_model[1024],
3793 /* printer-make-and-model */
3794 air[1024]; /* auth-info-required */
3795 cupsd_netif_t *iface; /* Network interface */
3796
3797
3798 /*
3799 * Figure out the printer type value...
3800 */
3801
3802 type = p->type | CUPS_PRINTER_REMOTE;
3803
3804 if (!p->accepting)
3805 type |= CUPS_PRINTER_REJECTING;
3806
3807 if (p == DefaultPrinter)
3808 type |= CUPS_PRINTER_DEFAULT;
3809
3810 /*
3811 * Remove quotes from printer-info, printer-location, and
3812 * printer-make-and-model attributes...
3813 */
3814
3815 dequote(location, p->location, sizeof(location));
3816 dequote(info, p->info, sizeof(info));
3817
3818 if (p->make_model)
3819 dequote(make_model, p->make_model, sizeof(make_model));
3820 else if (p->type & CUPS_PRINTER_CLASS)
3821 {
3822 if (p->num_printers > 0 && p->printers[0]->make_model)
3823 strlcpy(make_model, p->printers[0]->make_model, sizeof(make_model));
3824 else
3825 strlcpy(make_model, "Local Printer Class", sizeof(make_model));
3826 }
3827 else if (p->raw)
3828 strlcpy(make_model, "Local Raw Printer", sizeof(make_model));
3829 else
3830 strlcpy(make_model, "Local System V Printer", sizeof(make_model));
3831
3832 if (get_auth_info_required(p, packet, sizeof(packet)))
3833 snprintf(air, sizeof(air), " auth-info-required=%s", packet);
3834 else
3835 air[0] = '\0';
3836
3837 /*
3838 * Send a packet to each browse address...
3839 */
3840
3841 for (i = NumBrowsers, b = Browsers; i > 0; i --, b ++)
3842 if (b->iface[0])
3843 {
3844 /*
3845 * Send the browse packet to one or more interfaces...
3846 */
3847
3848 if (!strcmp(b->iface, "*"))
3849 {
3850 /*
3851 * Send to all local interfaces...
3852 */
3853
3854 cupsdNetIFUpdate();
3855
3856 for (iface = (cupsd_netif_t *)cupsArrayFirst(NetIFList);
3857 iface;
3858 iface = (cupsd_netif_t *)cupsArrayNext(NetIFList))
3859 {
3860 /*
3861 * Only send to local, IPv4 interfaces...
3862 */
3863
3864 if (!iface->is_local || !iface->port ||
3865 iface->address.addr.sa_family != AF_INET)
3866 continue;
3867
3868 httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
3869 iface->hostname, iface->port,
3870 (p->type & CUPS_PRINTER_CLASS) ? "/classes/%s" :
3871 "/printers/%s",
3872 p->name);
3873 snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\" %s%s\n",
3874 type, p->state, uri, location, info, make_model,
3875 p->browse_attrs ? p->browse_attrs : "", air);
3876
3877 bytes = strlen(packet);
3878
3879 cupsdLogMessage(CUPSD_LOG_DEBUG2,
3880 "cupsdSendBrowseList: (%d bytes to \"%s\") %s", bytes,
3881 iface->name, packet);
3882
3883 iface->broadcast.ipv4.sin_port = htons(BrowsePort);
3884
3885 sendto(BrowseSocket, packet, bytes, 0,
3886 (struct sockaddr *)&(iface->broadcast),
3887 httpAddrLength(&(iface->broadcast)));
3888 }
3889 }
3890 else if ((iface = cupsdNetIFFind(b->iface)) != NULL)
3891 {
3892 /*
3893 * Send to the named interface using the IPv4 address...
3894 */
3895
3896 while (iface)
3897 if (strcmp(b->iface, iface->name))
3898 {
3899 iface = NULL;
3900 break;
3901 }
3902 else if (iface->address.addr.sa_family == AF_INET && iface->port)
3903 break;
3904 else
3905 iface = (cupsd_netif_t *)cupsArrayNext(NetIFList);
3906
3907 if (iface)
3908 {
3909 httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
3910 iface->hostname, iface->port,
3911 (p->type & CUPS_PRINTER_CLASS) ? "/classes/%s" :
3912 "/printers/%s",
3913 p->name);
3914 snprintf(packet, sizeof(packet),
3915 "%x %x %s \"%s\" \"%s\" \"%s\" %s%s\n",
3916 type, p->state, uri, location, info, make_model,
3917 p->browse_attrs ? p->browse_attrs : "", air);
3918
3919 bytes = strlen(packet);
3920
3921 cupsdLogMessage(CUPSD_LOG_DEBUG2,
3922 "cupsdSendBrowseList: (%d bytes to \"%s\") %s", bytes,
3923 iface->name, packet);
3924
3925 iface->broadcast.ipv4.sin_port = htons(BrowsePort);
3926
3927 sendto(BrowseSocket, packet, bytes, 0,
3928 (struct sockaddr *)&(iface->broadcast),
3929 httpAddrLength(&(iface->broadcast)));
3930 }
3931 }
3932 }
3933 else
3934 {
3935 /*
3936 * Send the browse packet to the indicated address using
3937 * the default server name...
3938 */
3939
3940 snprintf(packet, sizeof(packet), "%x %x %s \"%s\" \"%s\" \"%s\" %s%s\n",
3941 type, p->state, p->uri, location, info, make_model,
3942 p->browse_attrs ? p->browse_attrs : "", air);
3943
3944 bytes = strlen(packet);
3945 cupsdLogMessage(CUPSD_LOG_DEBUG2,
3946 "cupsdSendBrowseList: (%d bytes) %s", bytes, packet);
3947
3948 if (sendto(BrowseSocket, packet, bytes, 0,
3949 (struct sockaddr *)&(b->to),
3950 httpAddrLength(&(b->to))) <= 0)
3951 {
3952 /*
3953 * Unable to send browse packet, so remove this address from the
3954 * list...
3955 */
3956
3957 cupsdLogMessage(CUPSD_LOG_ERROR,
3958 "cupsdSendBrowseList: sendto failed for browser "
3959 "%d - %s.",
3960 (int)(b - Browsers + 1), strerror(errno));
3961
3962 if (i > 1)
3963 memmove(b, b + 1, (i - 1) * sizeof(cupsd_dirsvc_addr_t));
3964
3965 b --;
3966 NumBrowsers --;
3967 }
3968 }
3969 }
3970
3971
3972 #ifdef HAVE_LDAP
3973 /*
3974 * 'ldap_search_rec()' - LDAP Search with reconnect
3975 */
3976
3977 static int /* O - Return code */
3978 ldap_search_rec(LDAP *ld, /* I - LDAP handler */
3979 char *base, /* I - Base dn */
3980 int scope, /* I - LDAP search scope */
3981 char *filter, /* I - Filter string */
3982 char *attrs[], /* I - Requested attributes */
3983 int attrsonly, /* I - Return only attributes? */
3984 LDAPMessage **res) /* I - LDAP handler */
3985 {
3986 int rc; /* Return code */
3987 LDAP *ldr; /* LDAP handler after reconnect */
3988
3989
3990 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
3991 rc = ldap_search_ext_s(ld, base, scope, filter, attrs, attrsonly, NULL, NULL,
3992 NULL, LDAP_NO_LIMIT, res);
3993 # else
3994 rc = ldap_search_s(ld, base, scope, filter, attrs, attrsonly, res);
3995 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
3996
3997 /*
3998 * If we have a connection problem try again...
3999 */
4000
4001 if (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR)
4002 {
4003 cupsdLogMessage(CUPSD_LOG_ERROR,
4004 "LDAP search failed with status %d: %s",
4005 rc, ldap_err2string(rc));
4006 cupsdLogMessage(CUPSD_LOG_INFO,
4007 "We try the LDAP search once again after reconnecting to "
4008 "the server");
4009 ldap_freeres(*res);
4010 ldr = ldap_reconnect();
4011
4012 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4013 rc = ldap_search_ext_s(ldr, base, scope, filter, attrs, attrsonly, NULL,
4014 NULL, NULL, LDAP_NO_LIMIT, res);
4015 # else
4016 rc = ldap_search_s(ldr, base, scope, filter, attrs, attrsonly, res);
4017 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4018 }
4019
4020 if (rc == LDAP_NO_SUCH_OBJECT)
4021 cupsdLogMessage(CUPSD_LOG_DEBUG,
4022 "ldap_search_rec: LDAP entry/object not found");
4023 else if (rc != LDAP_SUCCESS)
4024 cupsdLogMessage(CUPSD_LOG_ERROR,
4025 "ldap_search_rec: LDAP search failed with status %d: %s",
4026 rc, ldap_err2string(rc));
4027
4028 if (rc != LDAP_SUCCESS)
4029 ldap_freeres(*res);
4030
4031 return (rc);
4032 }
4033
4034
4035 /*
4036 * 'ldap_freeres()' - Free LDAPMessage
4037 */
4038
4039 static void
4040 ldap_freeres(LDAPMessage *entry) /* I - LDAP handler */
4041 {
4042 int rc; /* Return value */
4043
4044
4045 rc = ldap_msgfree(entry);
4046 if (rc == -1)
4047 cupsdLogMessage(CUPSD_LOG_WARN, "Can't free LDAPMessage!");
4048 else if (rc == 0)
4049 cupsdLogMessage(CUPSD_LOG_DEBUG2, "Freeing LDAPMessage was unnecessary");
4050 }
4051
4052
4053 /*
4054 * 'ldap_getval_char()' - Get first LDAP value and convert to string
4055 */
4056
4057 static int /* O - Return code */
4058 ldap_getval_firststring(
4059 LDAP *ld, /* I - LDAP handler */
4060 LDAPMessage *entry, /* I - LDAP message or search result */
4061 char *attr, /* I - the wanted attribute */
4062 char *retval, /* O - String to return */
4063 unsigned long maxsize) /* I - Max string size */
4064 {
4065 char *dn; /* LDAP DN */
4066 int rc = 0; /* Return code */
4067 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4068 struct berval **bval; /* LDAP value array */
4069 unsigned long size; /* String size */
4070
4071
4072 /*
4073 * Get value from LDAPMessage...
4074 */
4075
4076 if ((bval = ldap_get_values_len(ld, entry, attr)) == NULL)
4077 {
4078 rc = -1;
4079 dn = ldap_get_dn(ld, entry);
4080 cupsdLogMessage(CUPSD_LOG_WARN,
4081 "Failed to get LDAP value %s for %s!",
4082 attr, dn);
4083 ldap_memfree(dn);
4084 }
4085 else
4086 {
4087 /*
4088 * Check size and copy value into our string...
4089 */
4090
4091 size = maxsize;
4092 if (size < (bval[0]->bv_len + 1))
4093 {
4094 rc = -1;
4095 dn = ldap_get_dn(ld, entry);
4096 cupsdLogMessage(CUPSD_LOG_WARN,
4097 "Attribute %s is too big! (dn: %s)",
4098 attr, dn);
4099 ldap_memfree(dn);
4100 }
4101 else
4102 size = bval[0]->bv_len + 1;
4103
4104 strlcpy(retval, bval[0]->bv_val, size);
4105 ldap_value_free_len(bval);
4106 }
4107 # else
4108 char **value; /* LDAP value */
4109
4110 /*
4111 * Get value from LDAPMessage...
4112 */
4113
4114 if ((value = (char **)ldap_get_values(ld, entry, attr)) == NULL)
4115 {
4116 rc = -1;
4117 dn = ldap_get_dn(ld, entry);
4118 cupsdLogMessage(CUPSD_LOG_WARN, "Failed to get LDAP value %s for %s!",
4119 attr, dn);
4120 ldap_memfree(dn);
4121 }
4122 else
4123 {
4124 strlcpy(retval, *value, maxsize);
4125 ldap_value_free(value);
4126 }
4127 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4128
4129 return (rc);
4130 }
4131
4132
4133 /*
4134 * 'send_ldap_ou()' - Send LDAP ou registrations.
4135 */
4136
4137 static void
4138 send_ldap_ou(char *ou, /* I - Servername/ou to register */
4139 char *basedn, /* I - Our base dn */
4140 char *descstring) /* I - Description for ou */
4141 {
4142 int i; /* Looping var... */
4143 LDAPMod mods[3]; /* The 3 attributes we will be adding */
4144 LDAPMod *pmods[4]; /* Pointers to the 3 attributes + NULL */
4145 LDAPMessage *res, /* Search result token */
4146 *e; /* Current entry from search */
4147 int rc; /* LDAP status */
4148 int rcmod; /* LDAP status for modifications */
4149 char dn[1024], /* DN of the organizational unit we are adding */
4150 *desc[2], /* Change records */
4151 *ou_value[2];
4152 char old_desc[1024]; /* Old description */
4153 static const char * const objectClass_values[] =
4154 { /* The 2 objectClass's we use in */
4155 "top", /* our LDAP entries */
4156 "organizationalUnit",
4157 NULL
4158 };
4159 static const char * const ou_attrs[] =/* CUPS LDAP attributes */
4160 {
4161 "description",
4162 NULL
4163 };
4164
4165
4166 cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_ou: %s", ou);
4167
4168 /*
4169 * Reconnect if LDAP Handle is invalid...
4170 */
4171
4172 if (!BrowseLDAPHandle)
4173 {
4174 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4175 "send_ldap_ou: LDAP Handle is invalid. Try reconnecting...");
4176 ldap_reconnect();
4177 return;
4178 }
4179
4180 /*
4181 * Prepare ldap search...
4182 */
4183
4184 snprintf(dn, sizeof(dn), "ou=%s, %s", ou, basedn);
4185 cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_ou: dn=\"%s\"", dn);
4186
4187 ou_value[0] = ou;
4188 ou_value[1] = NULL;
4189 desc[0] = descstring;
4190 desc[1] = NULL;
4191
4192 mods[0].mod_type = "ou";
4193 mods[0].mod_values = ou_value;
4194 mods[1].mod_type = "description";
4195 mods[1].mod_values = desc;
4196 mods[2].mod_type = "objectClass";
4197 mods[2].mod_values = (char **)objectClass_values;
4198
4199 rc = ldap_search_rec(BrowseLDAPHandle, dn, LDAP_SCOPE_BASE, NULL,
4200 (char **)ou_attrs, 0, &res);
4201
4202 /*
4203 * If ldap search was not successfull then exit function...
4204 */
4205
4206 if (rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_OBJECT)
4207 return;
4208
4209 /*
4210 * Check if we need to insert or update the LDAP entry...
4211 */
4212
4213 if (ldap_count_entries(BrowseLDAPHandle, res) > 0 &&
4214 rc != LDAP_NO_SUCH_OBJECT)
4215 {
4216 /*
4217 * Printserver has already been registered, check if
4218 * modification is required...
4219 */
4220
4221 e = ldap_first_entry(BrowseLDAPHandle, res);
4222
4223 /*
4224 * Get the required values from this entry...
4225 */
4226
4227 if (ldap_getval_firststring(BrowseLDAPHandle, e, "description", old_desc,
4228 sizeof(old_desc)) == -1)
4229 old_desc[0] = '\0';
4230
4231 /*
4232 * Check if modification is required...
4233 */
4234
4235 if ( strcmp(desc[0], old_desc) == 0 )
4236 {
4237 /*
4238 * LDAP entry for the printer exists.
4239 * Printer has already been registered,
4240 * no modifications required...
4241 */
4242 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4243 "send_ldap_ou: No updates required for %s", ou);
4244 }
4245 else
4246 {
4247
4248 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4249 "send_ldap_ou: Replace entry for %s", ou);
4250
4251 for (i = 0; i < 3; i ++)
4252 {
4253 pmods[i] = mods + i;
4254 pmods[i]->mod_op = LDAP_MOD_REPLACE;
4255 }
4256 pmods[i] = NULL;
4257
4258 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4259 if ((rcmod = ldap_modify_ext_s(BrowseLDAPHandle, dn, pmods, NULL,
4260 NULL)) != LDAP_SUCCESS)
4261 # else
4262 if ((rcmod = ldap_modify_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
4263 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4264 {
4265 cupsdLogMessage(CUPSD_LOG_ERROR,
4266 "LDAP modify for %s failed with status %d: %s",
4267 ou, rcmod, ldap_err2string(rcmod));
4268 if (rcmod == LDAP_SERVER_DOWN)
4269 ldap_reconnect();
4270 }
4271 }
4272 }
4273 else
4274 {
4275 /*
4276 * Printserver has never been registered,
4277 * add registration...
4278 */
4279
4280 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4281 "send_ldap_ou: Add entry for %s", ou);
4282
4283 for (i = 0; i < 3; i ++)
4284 {
4285 pmods[i] = mods + i;
4286 pmods[i]->mod_op = LDAP_MOD_ADD;
4287 }
4288 pmods[i] = NULL;
4289
4290 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4291 if ((rcmod = ldap_add_ext_s(BrowseLDAPHandle, dn, pmods, NULL,
4292 NULL)) != LDAP_SUCCESS)
4293 # else
4294 if ((rcmod = ldap_add_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
4295 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4296 {
4297 cupsdLogMessage(CUPSD_LOG_ERROR,
4298 "LDAP add for %s failed with status %d: %s",
4299 ou, rcmod, ldap_err2string(rcmod));
4300 if (rcmod == LDAP_SERVER_DOWN)
4301 ldap_reconnect();
4302 }
4303 }
4304
4305 if (rc == LDAP_SUCCESS)
4306 ldap_freeres(res);
4307 }
4308
4309
4310 /*
4311 * 'send_ldap_browse()' - Send LDAP printer registrations.
4312 */
4313
4314 static void
4315 send_ldap_browse(cupsd_printer_t *p) /* I - Printer to register */
4316 {
4317 int i; /* Looping var... */
4318 LDAPMod mods[7]; /* The 7 attributes we will be adding */
4319 LDAPMod *pmods[8]; /* Pointers to the 7 attributes + NULL */
4320 LDAPMessage *res, /* Search result token */
4321 *e; /* Current entry from search */
4322 char *cn_value[2], /* Change records */
4323 *uri[2],
4324 *info[2],
4325 *location[2],
4326 *make_model[2],
4327 *type[2],
4328 typestring[255], /* String to hold printer-type */
4329 dn[1024]; /* DN of the printer we are adding */
4330 int rc; /* LDAP status */
4331 int rcmod; /* LDAP status for modifications */
4332 char old_uri[HTTP_MAX_URI], /* Printer URI */
4333 old_location[1024], /* Printer location */
4334 old_info[1024], /* Printer information */
4335 old_make_model[1024], /* Printer make and model */
4336 old_type_string[30]; /* Temporary type number */
4337 int old_type; /* Printer type */
4338 static const char * const objectClass_values[] =
4339 { /* The 3 objectClass's we use in */
4340 "top", /* our LDAP entries */
4341 "device",
4342 "cupsPrinter",
4343 NULL
4344 };
4345
4346
4347 cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_browse: %s", p->name);
4348
4349 /*
4350 * Exit function if LDAP updates has been disabled...
4351 */
4352
4353 if (!BrowseLDAPUpdate)
4354 {
4355 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4356 "send_ldap_browse: Updates temporary disabled; "
4357 "skipping...");
4358 return;
4359 }
4360
4361 /*
4362 * Reconnect if LDAP Handle is invalid...
4363 */
4364
4365 if (!BrowseLDAPHandle)
4366 {
4367 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4368 "send_ldap_browse: LDAP Handle is invalid. Try "
4369 "reconnecting...");
4370 ldap_reconnect();
4371 return;
4372 }
4373
4374 /*
4375 * Everything in ldap is ** so we fudge around it...
4376 */
4377
4378 sprintf(typestring, "%u", p->type);
4379
4380 cn_value[0] = p->name;
4381 cn_value[1] = NULL;
4382 info[0] = p->info ? p->info : "Unknown";
4383 info[1] = NULL;
4384 location[0] = p->location ? p->location : "Unknown";
4385 location[1] = NULL;
4386 make_model[0] = p->make_model ? p->make_model : "Unknown";
4387 make_model[1] = NULL;
4388 type[0] = typestring;
4389 type[1] = NULL;
4390 uri[0] = p->uri;
4391 uri[1] = NULL;
4392
4393 /*
4394 * Get ldap entry for printer ...
4395 */
4396
4397 snprintf(dn, sizeof(dn), "cn=%s, ou=%s, %s", p->name, ServerName,
4398 BrowseLDAPDN);
4399 cupsdLogMessage(CUPSD_LOG_DEBUG2, "send_ldap_browse: dn=\"%s\"", dn);
4400
4401 rc = ldap_search_rec(BrowseLDAPHandle, dn, LDAP_SCOPE_BASE, NULL,
4402 (char **)ldap_attrs, 0, &res);
4403
4404 /*
4405 * If ldap search was not successfull then exit function
4406 * and temporary disable LDAP updates...
4407 */
4408
4409 if (rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_OBJECT)
4410 {
4411 if (BrowseLDAPUpdate &&
4412 (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR))
4413 {
4414 BrowseLDAPUpdate = FALSE;
4415 cupsdLogMessage(CUPSD_LOG_INFO,
4416 "LDAP update temporary disabled");
4417 }
4418
4419 return;
4420 }
4421
4422 /*
4423 * Fill modification array...
4424 */
4425
4426 mods[0].mod_type = "cn";
4427 mods[0].mod_values = cn_value;
4428 mods[1].mod_type = "printerDescription";
4429 mods[1].mod_values = info;
4430 mods[2].mod_type = "printerURI";
4431 mods[2].mod_values = uri;
4432 mods[3].mod_type = "printerLocation";
4433 mods[3].mod_values = location;
4434 mods[4].mod_type = "printerMakeAndModel";
4435 mods[4].mod_values = make_model;
4436 mods[5].mod_type = "printerType";
4437 mods[5].mod_values = type;
4438 mods[6].mod_type = "objectClass";
4439 mods[6].mod_values = (char **)objectClass_values;
4440
4441 /*
4442 * Check if we need to insert or update the LDAP entry...
4443 */
4444
4445 if (ldap_count_entries(BrowseLDAPHandle, res) > 0 &&
4446 rc != LDAP_NO_SUCH_OBJECT)
4447 {
4448 /*
4449 * Printer has already been registered, check if
4450 * modification is required...
4451 */
4452
4453 e = ldap_first_entry(BrowseLDAPHandle, res);
4454
4455 /*
4456 * Get the required values from this entry...
4457 */
4458
4459 if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerDescription",
4460 old_info, sizeof(old_info)) == -1)
4461 old_info[0] = '\0';
4462
4463 if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerLocation",
4464 old_location, sizeof(old_location)) == -1)
4465 old_info[0] = '\0';
4466
4467 if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerMakeAndModel",
4468 old_make_model, sizeof(old_make_model)) == -1)
4469 old_info[0] = '\0';
4470
4471 if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerType",
4472 old_type_string, sizeof(old_type_string)) == -1)
4473 old_info[0] = '\0';
4474
4475 old_type = atoi(old_type_string);
4476
4477 if (ldap_getval_firststring(BrowseLDAPHandle, e, "printerURI", old_uri,
4478 sizeof(old_uri)) == -1)
4479 old_info[0] = '\0';
4480
4481 /*
4482 * Check if modification is required...
4483 */
4484
4485 if (!strcmp(info[0], old_info) && !strcmp(uri[0], old_uri) &&
4486 !strcmp(location[0], old_location) &&
4487 !strcmp(make_model[0], old_make_model) && p->type == old_type)
4488 {
4489 /*
4490 * LDAP entry for the printer exists. Printer has already been registered,
4491 * no modifications required...
4492 */
4493
4494 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4495 "send_ldap_browse: No updates required for %s", p->name);
4496 }
4497 else
4498 {
4499 /*
4500 * LDAP entry for the printer exists. Printer has already been registered,
4501 * modify the current registration...
4502 */
4503
4504 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4505 "send_ldap_browse: Replace entry for %s", p->name);
4506
4507 for (i = 0; i < 7; i ++)
4508 {
4509 pmods[i] = mods + i;
4510 pmods[i]->mod_op = LDAP_MOD_REPLACE;
4511 }
4512 pmods[i] = NULL;
4513
4514 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4515 if ((rcmod = ldap_modify_ext_s(BrowseLDAPHandle, dn, pmods, NULL,
4516 NULL)) != LDAP_SUCCESS)
4517 # else
4518 if ((rcmod = ldap_modify_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
4519 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4520 {
4521 cupsdLogMessage(CUPSD_LOG_ERROR,
4522 "LDAP modify for %s failed with status %d: %s",
4523 p->name, rcmod, ldap_err2string(rcmod));
4524 if (rcmod == LDAP_SERVER_DOWN)
4525 ldap_reconnect();
4526 }
4527 }
4528 }
4529 else
4530 {
4531 /*
4532 * No LDAP entry exists for the printer. Printer has never been registered,
4533 * add the current registration...
4534 */
4535
4536 send_ldap_ou(ServerName, BrowseLDAPDN, "CUPS Server");
4537
4538 cupsdLogMessage(CUPSD_LOG_DEBUG2,
4539 "send_ldap_browse: Add entry for %s", p->name);
4540
4541 for (i = 0; i < 7; i ++)
4542 {
4543 pmods[i] = mods + i;
4544 pmods[i]->mod_op = LDAP_MOD_ADD;
4545 }
4546 pmods[i] = NULL;
4547
4548 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4549 if ((rcmod = ldap_add_ext_s(BrowseLDAPHandle, dn, pmods, NULL,
4550 NULL)) != LDAP_SUCCESS)
4551 # else
4552 if ((rcmod = ldap_add_s(BrowseLDAPHandle, dn, pmods)) != LDAP_SUCCESS)
4553 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4554 {
4555 cupsdLogMessage(CUPSD_LOG_ERROR,
4556 "LDAP add for %s failed with status %d: %s",
4557 p->name, rcmod, ldap_err2string(rcmod));
4558 if (rcmod == LDAP_SERVER_DOWN)
4559 ldap_reconnect();
4560 }
4561 }
4562
4563 if (rc == LDAP_SUCCESS)
4564 ldap_freeres(res);
4565 }
4566
4567
4568 /*
4569 * 'ldap_dereg_printer()' - Delete printer from directory
4570 */
4571
4572 static void
4573 ldap_dereg_printer(cupsd_printer_t *p) /* I - Printer to deregister */
4574 {
4575 char dn[1024]; /* DN of the printer */
4576 int rc; /* LDAP status */
4577
4578
4579 cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_dereg_printer: Remove entry for %s",
4580 p->name);
4581
4582 /*
4583 * Reconnect if LDAP Handle is invalid...
4584 */
4585
4586 if (!BrowseLDAPHandle)
4587 {
4588 ldap_reconnect();
4589 return;
4590 }
4591
4592 /*
4593 * Get dn for printer and delete LDAP entry...
4594 */
4595
4596 snprintf(dn, sizeof(dn), "cn=%s, ou=%s, %s", p->name, ServerName,
4597 BrowseLDAPDN);
4598 cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_dereg_printer: dn=\"%s\"", dn);
4599
4600 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4601 if ((rc = ldap_delete_ext_s(BrowseLDAPHandle, dn, NULL,
4602 NULL)) != LDAP_SUCCESS)
4603 # else
4604 if ((rc = ldap_delete_s(BrowseLDAPHandle, dn)) != LDAP_SUCCESS)
4605 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4606 {
4607 cupsdLogMessage(CUPSD_LOG_WARN,
4608 "LDAP delete for %s failed with status %d: %s",
4609 p->name, rc, ldap_err2string(rc));
4610
4611 /*
4612 * If we had a connection problem (connection timed out, etc.)
4613 * we should reconnect and try again to delete the entry...
4614 */
4615
4616 if (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR)
4617 {
4618 cupsdLogMessage(CUPSD_LOG_INFO,
4619 "Retry deleting LDAP entry for %s after a reconnect...", p->name);
4620 ldap_reconnect();
4621
4622 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4623 if ((rc = ldap_delete_ext_s(BrowseLDAPHandle, dn, NULL,
4624 NULL)) != LDAP_SUCCESS)
4625 # else
4626 if ((rc = ldap_delete_s(BrowseLDAPHandle, dn)) != LDAP_SUCCESS)
4627 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4628 cupsdLogMessage(CUPSD_LOG_WARN,
4629 "LDAP delete for %s failed with status %d: %s",
4630 p->name, rc, ldap_err2string(rc));
4631 }
4632 }
4633 }
4634
4635
4636 /*
4637 * 'ldap_dereg_ou()' - Remove the organizational unit.
4638 */
4639
4640 static void
4641 ldap_dereg_ou(char *ou, /* I - Organizational unit (servername) */
4642 char *basedn) /* I - Dase dn */
4643 {
4644 char dn[1024]; /* DN of the printer */
4645 int rc; /* LDAP status */
4646
4647
4648 cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_dereg_ou: Remove entry for %s", ou);
4649
4650 /*
4651 * Reconnect if LDAP Handle is invalid...
4652 */
4653
4654 if (!BrowseLDAPHandle)
4655 {
4656 ldap_reconnect();
4657 return;
4658 }
4659
4660 /*
4661 * Get dn for printer and delete LDAP entry...
4662 */
4663
4664 snprintf(dn, sizeof(dn), "ou=%s, %s", ou, basedn);
4665 cupsdLogMessage(CUPSD_LOG_DEBUG2, "ldap_dereg_ou: dn=\"%s\"", dn);
4666
4667 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4668 if ((rc = ldap_delete_ext_s(BrowseLDAPHandle, dn, NULL,
4669 NULL)) != LDAP_SUCCESS)
4670 # else
4671 if ((rc = ldap_delete_s(BrowseLDAPHandle, dn)) != LDAP_SUCCESS)
4672 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4673 {
4674 cupsdLogMessage(CUPSD_LOG_WARN,
4675 "LDAP delete for %s failed with status %d: %s",
4676 ou, rc, ldap_err2string(rc));
4677
4678 /*
4679 * If we had a connection problem (connection timed out, etc.)
4680 * we should reconnect and try again to delete the entry...
4681 */
4682
4683 if (rc == LDAP_SERVER_DOWN || rc == LDAP_CONNECT_ERROR)
4684 {
4685 cupsdLogMessage(CUPSD_LOG_INFO,
4686 "Retry deleting LDAP entry for %s after a reconnect...", ou);
4687 ldap_reconnect();
4688 # if defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000
4689 if ((rc = ldap_delete_ext_s(BrowseLDAPHandle, dn, NULL,
4690 NULL)) != LDAP_SUCCESS)
4691 # else
4692 if ((rc = ldap_delete_s(BrowseLDAPHandle, dn)) != LDAP_SUCCESS)
4693 # endif /* defined(HAVE_OPENLDAP) && LDAP_API_VERSION > 3000 */
4694 cupsdLogMessage(CUPSD_LOG_WARN,
4695 "LDAP delete for %s failed with status %d: %s",
4696 ou, rc, ldap_err2string(rc));
4697 }
4698 }
4699 }
4700 #endif /* HAVE_LDAP */
4701
4702
4703 #ifdef HAVE_LIBSLP
4704 /*
4705 * 'send_slp_browse()' - Register the specified printer with SLP.
4706 */
4707
4708 static void
4709 send_slp_browse(cupsd_printer_t *p) /* I - Printer to register */
4710 {
4711 char srvurl[HTTP_MAX_URI], /* Printer service URI */
4712 attrs[8192], /* Printer attributes */
4713 finishings[1024], /* Finishings to support */
4714 make_model[IPP_MAX_NAME * 2],
4715 /* Make and model, quoted */
4716 location[IPP_MAX_NAME * 2],
4717 /* Location, quoted */
4718 info[IPP_MAX_NAME * 2], /* Info, quoted */
4719 *src, /* Pointer to original string */
4720 *dst; /* Pointer to destination string */
4721 ipp_attribute_t *authentication; /* uri-authentication-supported value */
4722 SLPError error; /* SLP error, if any */
4723
4724
4725 cupsdLogMessage(CUPSD_LOG_DEBUG, "send_slp_browse(%p = \"%s\")", p,
4726 p->name);
4727
4728 /*
4729 * Make the SLP service URL that conforms to the IANA
4730 * 'printer:' template.
4731 */
4732
4733 snprintf(srvurl, sizeof(srvurl), SLP_CUPS_SRVTYPE ":%s", p->uri);
4734
4735 cupsdLogMessage(CUPSD_LOG_DEBUG2, "Service URL = \"%s\"", srvurl);
4736
4737 /*
4738 * Figure out the finishings string...
4739 */
4740
4741 if (p->type & CUPS_PRINTER_STAPLE)
4742 strcpy(finishings, "staple");
4743 else
4744 finishings[0] = '\0';
4745
4746 if (p->type & CUPS_PRINTER_BIND)
4747 {
4748 if (finishings[0])
4749 strlcat(finishings, ",bind", sizeof(finishings));
4750 else
4751 strcpy(finishings, "bind");
4752 }
4753
4754 if (p->type & CUPS_PRINTER_PUNCH)
4755 {
4756 if (finishings[0])
4757 strlcat(finishings, ",punch", sizeof(finishings));
4758 else
4759 strcpy(finishings, "punch");
4760 }
4761
4762 if (p->type & CUPS_PRINTER_COVER)
4763 {
4764 if (finishings[0])
4765 strlcat(finishings, ",cover", sizeof(finishings));
4766 else
4767 strcpy(finishings, "cover");
4768 }
4769
4770 if (p->type & CUPS_PRINTER_SORT)
4771 {
4772 if (finishings[0])
4773 strlcat(finishings, ",sort", sizeof(finishings));
4774 else
4775 strcpy(finishings, "sort");
4776 }
4777
4778 if (!finishings[0])
4779 strcpy(finishings, "none");
4780
4781 /*
4782 * Quote any commas in the make and model, location, and info strings...
4783 */
4784
4785 for (src = p->make_model, dst = make_model;
4786 src && *src && dst < (make_model + sizeof(make_model) - 2);)
4787 {
4788 if (*src == ',' || *src == '\\' || *src == ')')
4789 *dst++ = '\\';
4790
4791 *dst++ = *src++;
4792 }
4793
4794 *dst = '\0';
4795
4796 if (!make_model[0])
4797 strcpy(make_model, "Unknown");
4798
4799 for (src = p->location, dst = location;
4800 src && *src && dst < (location + sizeof(location) - 2);)
4801 {
4802 if (*src == ',' || *src == '\\' || *src == ')')
4803 *dst++ = '\\';
4804
4805 *dst++ = *src++;
4806 }
4807
4808 *dst = '\0';
4809
4810 if (!location[0])
4811 strcpy(location, "Unknown");
4812
4813 for (src = p->info, dst = info;
4814 src && *src && dst < (info + sizeof(info) - 2);)
4815 {
4816 if (*src == ',' || *src == '\\' || *src == ')')
4817 *dst++ = '\\';
4818
4819 *dst++ = *src++;
4820 }
4821
4822 *dst = '\0';
4823
4824 if (!info[0])
4825 strcpy(info, "Unknown");
4826
4827 /*
4828 * Get the authentication value...
4829 */
4830
4831 authentication = ippFindAttribute(p->attrs, "uri-authentication-supported",
4832 IPP_TAG_KEYWORD);
4833
4834 /*
4835 * Make the SLP attribute string list that conforms to
4836 * the IANA 'printer:' template.
4837 */
4838
4839 snprintf(attrs, sizeof(attrs),
4840 "(printer-uri-supported=%s),"
4841 "(uri-authentication-supported=%s>),"
4842 #ifdef HAVE_SSL
4843 "(uri-security-supported=tls>),"
4844 #else
4845 "(uri-security-supported=none>),"
4846 #endif /* HAVE_SSL */
4847 "(printer-name=%s),"
4848 "(printer-location=%s),"
4849 "(printer-info=%s),"
4850 "(printer-more-info=%s),"
4851 "(printer-make-and-model=%s),"
4852 "(printer-type=%d),"
4853 "(charset-supported=utf-8),"
4854 "(natural-language-configured=%s),"
4855 "(natural-language-supported=de,en,es,fr,it),"
4856 "(color-supported=%s),"
4857 "(finishings-supported=%s),"
4858 "(sides-supported=one-sided%s),"
4859 "(multiple-document-jobs-supported=true)"
4860 "(ipp-versions-supported=1.0,1.1)",
4861 p->uri, authentication->values[0].string.text, p->name, location,
4862 info, p->uri, make_model, p->type, DefaultLanguage,
4863 p->type & CUPS_PRINTER_COLOR ? "true" : "false",
4864 finishings,
4865 p->type & CUPS_PRINTER_DUPLEX ?
4866 ",two-sided-long-edge,two-sided-short-edge" : "");
4867
4868 cupsdLogMessage(CUPSD_LOG_DEBUG2, "Attributes = \"%s\"", attrs);
4869
4870 /*
4871 * Register the printer with the SLP server...
4872 */
4873
4874 error = SLPReg(BrowseSLPHandle, srvurl, BrowseTimeout,
4875 SLP_CUPS_SRVTYPE, attrs, SLP_TRUE, slp_reg_callback, 0);
4876
4877 if (error != SLP_OK)
4878 cupsdLogMessage(CUPSD_LOG_ERROR, "SLPReg of \"%s\" failed with status %d!", p->name,
4879 error);
4880 }
4881
4882
4883 /*
4884 * 'slp_attr_callback()' - SLP attribute callback
4885 */
4886
4887 static SLPBoolean /* O - SLP_TRUE for success */
4888 slp_attr_callback(
4889 SLPHandle hslp, /* I - SLP handle */
4890 const char *attrlist, /* I - Attribute list */
4891 SLPError errcode, /* I - Parsing status for this attr */
4892 void *cookie) /* I - Current printer */
4893 {
4894 char *tmp = 0; /* Temporary string */
4895 cupsd_printer_t *p = (cupsd_printer_t*)cookie;
4896 /* Current printer */
4897
4898
4899 (void)hslp; /* anti-compiler-warning-code */
4900
4901 /*
4902 * Bail if there was an error
4903 */
4904
4905 if (errcode != SLP_OK)
4906 return (SLP_TRUE);
4907
4908 /*
4909 * Parse the attrlist to obtain things needed to build CUPS browse packet
4910 */
4911
4912 memset(p, 0, sizeof(cupsd_printer_t));
4913
4914 if (slp_get_attr(attrlist, "(printer-location=", &(p->location)))
4915 return (SLP_FALSE);
4916 if (slp_get_attr(attrlist, "(printer-info=", &(p->info)))
4917 return (SLP_FALSE);
4918 if (slp_get_attr(attrlist, "(printer-make-and-model=", &(p->make_model)))
4919 return (SLP_FALSE);
4920 if (!slp_get_attr(attrlist, "(printer-type=", &tmp))
4921 p->type = atoi(tmp);
4922 else
4923 p->type = CUPS_PRINTER_REMOTE;
4924
4925 cupsdClearString(&tmp);
4926
4927 return (SLP_TRUE);
4928 }
4929
4930
4931 /*
4932 * 'slp_dereg_printer()' - SLPDereg() the specified printer
4933 */
4934
4935 static void
4936 slp_dereg_printer(cupsd_printer_t *p) /* I - Printer */
4937 {
4938 char srvurl[HTTP_MAX_URI]; /* Printer service URI */
4939
4940
4941 cupsdLogMessage(CUPSD_LOG_DEBUG, "slp_dereg_printer: printer=\"%s\"", p->name);
4942
4943 if (!(p->type & CUPS_PRINTER_REMOTE))
4944 {
4945 /*
4946 * Make the SLP service URL that conforms to the IANA
4947 * 'printer:' template.
4948 */
4949
4950 snprintf(srvurl, sizeof(srvurl), SLP_CUPS_SRVTYPE ":%s", p->uri);
4951
4952 /*
4953 * Deregister the printer...
4954 */
4955
4956 SLPDereg(BrowseSLPHandle, srvurl, slp_reg_callback, 0);
4957 }
4958 }
4959
4960
4961 /*
4962 * 'slp_get_attr()' - Get an attribute from an SLP registration.
4963 */
4964
4965 static int /* O - 0 on success */
4966 slp_get_attr(const char *attrlist, /* I - Attribute list string */
4967 const char *tag, /* I - Name of attribute */
4968 char **valbuf) /* O - Value */
4969 {
4970 char *ptr1, /* Pointer into string */
4971 *ptr2; /* ... */
4972
4973
4974 cupsdClearString(valbuf);
4975
4976 if ((ptr1 = strstr(attrlist, tag)) != NULL)
4977 {
4978 ptr1 += strlen(tag);
4979
4980 if ((ptr2 = strchr(ptr1,')')) != NULL)
4981 {
4982 /*
4983 * Copy the value...
4984 */
4985
4986 *valbuf = calloc(ptr2 - ptr1 + 1, 1);
4987 strncpy(*valbuf, ptr1, ptr2 - ptr1);
4988
4989 /*
4990 * Dequote the value...
4991 */
4992
4993 for (ptr1 = *valbuf; *ptr1; ptr1 ++)
4994 if (*ptr1 == '\\' && ptr1[1])
4995 _cups_strcpy(ptr1, ptr1 + 1);
4996
4997 return (0);
4998 }
4999 }
5000
5001 return (-1);
5002 }
5003
5004
5005 /*
5006 * 'slp_reg_callback()' - Empty SLPRegReport.
5007 */
5008
5009 static void
5010 slp_reg_callback(SLPHandle hslp, /* I - SLP handle */
5011 SLPError errcode, /* I - Error code, if any */
5012 void *cookie) /* I - App data */
5013 {
5014 (void)hslp;
5015 (void)errcode;
5016 (void)cookie;
5017
5018 return;
5019 }
5020
5021
5022 /*
5023 * 'slp_url_callback()' - SLP service url callback
5024 */
5025
5026 static SLPBoolean /* O - TRUE = OK, FALSE = error */
5027 slp_url_callback(
5028 SLPHandle hslp, /* I - SLP handle */
5029 const char *srvurl, /* I - URL of service */
5030 unsigned short lifetime, /* I - Life of service */
5031 SLPError errcode, /* I - Existing error code */
5032 void *cookie) /* I - Pointer to service list */
5033 {
5034 slpsrvurl_t *s, /* New service entry */
5035 **head; /* Pointer to head of entry */
5036
5037
5038 /*
5039 * Let the compiler know we won't be using these vars...
5040 */
5041
5042 (void)hslp;
5043 (void)lifetime;
5044
5045 /*
5046 * Bail if there was an error
5047 */
5048
5049 if (errcode != SLP_OK)
5050 return (SLP_TRUE);
5051
5052 /*
5053 * Grab the head of the list...
5054 */
5055
5056 head = (slpsrvurl_t**)cookie;
5057
5058 /*
5059 * Allocate a *temporary* slpsrvurl_t to hold this entry.
5060 */
5061
5062 if ((s = (slpsrvurl_t *)calloc(1, sizeof(slpsrvurl_t))) == NULL)
5063 return (SLP_FALSE);
5064
5065 /*
5066 * Copy the SLP service URL...
5067 */
5068
5069 strlcpy(s->url, srvurl, sizeof(s->url));
5070
5071 /*
5072 * Link the SLP service URL into the head of the list
5073 */
5074
5075 if (*head)
5076 s->next = *head;
5077
5078 *head = s;
5079
5080 return (SLP_TRUE);
5081 }
5082 #endif /* HAVE_LIBSLP */
5083
5084
5085 /*
5086 * 'update_cups_browse()' - Update the browse lists using the CUPS protocol.
5087 */
5088
5089 static void
5090 update_cups_browse(void)
5091 {
5092 int i; /* Looping var */
5093 int auth; /* Authorization status */
5094 int len; /* Length of name string */
5095 int bytes; /* Number of bytes left */
5096 char packet[1541], /* Broadcast packet */
5097 *pptr; /* Pointer into packet */
5098 socklen_t srclen; /* Length of source address */
5099 http_addr_t srcaddr; /* Source address */
5100 char srcname[1024]; /* Source hostname */
5101 unsigned address[4]; /* Source address */
5102 unsigned type; /* Printer type */
5103 unsigned state; /* Printer state */
5104 char uri[HTTP_MAX_URI], /* Printer URI */
5105 host[HTTP_MAX_URI], /* Host portion of URI */
5106 resource[HTTP_MAX_URI], /* Resource portion of URI */
5107 info[IPP_MAX_NAME], /* Information string */
5108 location[IPP_MAX_NAME], /* Location string */
5109 make_model[IPP_MAX_NAME];/* Make and model string */
5110 int num_attrs; /* Number of attributes */
5111 cups_option_t *attrs; /* Attributes */
5112
5113
5114 /*
5115 * Read a packet from the browse socket...
5116 */
5117
5118 srclen = sizeof(srcaddr);
5119 if ((bytes = recvfrom(BrowseSocket, packet, sizeof(packet) - 1, 0,
5120 (struct sockaddr *)&srcaddr, &srclen)) < 0)
5121 {
5122 /*
5123 * "Connection refused" is returned under Linux if the destination port
5124 * or address is unreachable from a previous sendto(); check for the
5125 * error here and ignore it for now...
5126 */
5127
5128 if (errno != ECONNREFUSED && errno != EAGAIN)
5129 {
5130 cupsdLogMessage(CUPSD_LOG_ERROR, "Browse recv failed - %s.",
5131 strerror(errno));
5132 cupsdLogMessage(CUPSD_LOG_ERROR, "CUPS browsing turned off.");
5133
5134 #ifdef WIN32
5135 closesocket(BrowseSocket);
5136 #else
5137 close(BrowseSocket);
5138 #endif /* WIN32 */
5139
5140 cupsdRemoveSelect(BrowseSocket);
5141 BrowseSocket = -1;
5142
5143 BrowseLocalProtocols &= ~BROWSE_CUPS;
5144 BrowseRemoteProtocols &= ~BROWSE_CUPS;
5145 }
5146
5147 return;
5148 }
5149
5150 packet[bytes] = '\0';
5151
5152 /*
5153 * If we're about to sleep, ignore incoming browse packets.
5154 */
5155
5156 if (Sleeping)
5157 return;
5158
5159 /*
5160 * Figure out where it came from...
5161 */
5162
5163 #ifdef AF_INET6
5164 if (srcaddr.addr.sa_family == AF_INET6)
5165 {
5166 address[0] = ntohl(srcaddr.ipv6.sin6_addr.s6_addr32[0]);
5167 address[1] = ntohl(srcaddr.ipv6.sin6_addr.s6_addr32[1]);
5168 address[2] = ntohl(srcaddr.ipv6.sin6_addr.s6_addr32[2]);
5169 address[3] = ntohl(srcaddr.ipv6.sin6_addr.s6_addr32[3]);
5170 }
5171 else
5172 #endif /* AF_INET6 */
5173 {
5174 address[0] = 0;
5175 address[1] = 0;
5176 address[2] = 0;
5177 address[3] = ntohl(srcaddr.ipv4.sin_addr.s_addr);
5178 }
5179
5180 if (HostNameLookups)
5181 httpAddrLookup(&srcaddr, srcname, sizeof(srcname));
5182 else
5183 httpAddrString(&srcaddr, srcname, sizeof(srcname));
5184
5185 len = strlen(srcname);
5186
5187 /*
5188 * Do ACL stuff...
5189 */
5190
5191 if (BrowseACL)
5192 {
5193 if (httpAddrLocalhost(&srcaddr) || !strcasecmp(srcname, "localhost"))
5194 {
5195 /*
5196 * Access from localhost (127.0.0.1) is always allowed...
5197 */
5198
5199 auth = CUPSD_AUTH_ALLOW;
5200 }
5201 else
5202 {
5203 /*
5204 * Do authorization checks on the domain/address...
5205 */
5206
5207 switch (BrowseACL->order_type)
5208 {
5209 default :
5210 auth = CUPSD_AUTH_DENY; /* anti-compiler-warning-code */
5211 break;
5212
5213 case CUPSD_AUTH_ALLOW : /* Order Deny,Allow */
5214 auth = CUPSD_AUTH_ALLOW;
5215
5216 if (cupsdCheckAuth(address, srcname, len,
5217 BrowseACL->num_deny, BrowseACL->deny))
5218 auth = CUPSD_AUTH_DENY;
5219
5220 if (cupsdCheckAuth(address, srcname, len,
5221 BrowseACL->num_allow, BrowseACL->allow))
5222 auth = CUPSD_AUTH_ALLOW;
5223 break;
5224
5225 case CUPSD_AUTH_DENY : /* Order Allow,Deny */
5226 auth = CUPSD_AUTH_DENY;
5227
5228 if (cupsdCheckAuth(address, srcname, len,
5229 BrowseACL->num_allow, BrowseACL->allow))
5230 auth = CUPSD_AUTH_ALLOW;
5231
5232 if (cupsdCheckAuth(address, srcname, len,
5233 BrowseACL->num_deny, BrowseACL->deny))
5234 auth = CUPSD_AUTH_DENY;
5235 break;
5236 }
5237 }
5238 }
5239 else
5240 auth = CUPSD_AUTH_ALLOW;
5241
5242 if (auth == CUPSD_AUTH_DENY)
5243 {
5244 cupsdLogMessage(CUPSD_LOG_DEBUG,
5245 "update_cups_browse: Refused %d bytes from %s", bytes,
5246 srcname);
5247 return;
5248 }
5249
5250 cupsdLogMessage(CUPSD_LOG_DEBUG2,
5251 "update_cups_browse: (%d bytes from %s) %s", bytes,
5252 srcname, packet);
5253
5254 /*
5255 * Parse packet...
5256 */
5257
5258 if (sscanf(packet, "%x%x%1023s", &type, &state, uri) < 3)
5259 {
5260 cupsdLogMessage(CUPSD_LOG_WARN,
5261 "update_cups_browse: Garbled browse packet - %s", packet);
5262 return;
5263 }
5264
5265 strcpy(location, "Location Unknown");
5266 strcpy(info, "No Information Available");
5267 make_model[0] = '\0';
5268 num_attrs = 0;
5269 attrs = NULL;
5270
5271 if ((pptr = strchr(packet, '\"')) != NULL)
5272 {
5273 /*
5274 * Have extended information; can't use sscanf for it because not all
5275 * sscanf's allow empty strings with %[^\"]...
5276 */
5277
5278 for (i = 0, pptr ++;
5279 i < (sizeof(location) - 1) && *pptr && *pptr != '\"';
5280 i ++, pptr ++)
5281 location[i] = *pptr;
5282
5283 if (i)
5284 location[i] = '\0';
5285
5286 if (*pptr == '\"')
5287 pptr ++;
5288
5289 while (*pptr && isspace(*pptr & 255))
5290 pptr ++;
5291
5292 if (*pptr == '\"')
5293 {
5294 for (i = 0, pptr ++;
5295 i < (sizeof(info) - 1) && *pptr && *pptr != '\"';
5296 i ++, pptr ++)
5297 info[i] = *pptr;
5298
5299 info[i] = '\0';
5300
5301 if (*pptr == '\"')
5302 pptr ++;
5303
5304 while (*pptr && isspace(*pptr & 255))
5305 pptr ++;
5306
5307 if (*pptr == '\"')
5308 {
5309 for (i = 0, pptr ++;
5310 i < (sizeof(make_model) - 1) && *pptr && *pptr != '\"';
5311 i ++, pptr ++)
5312 make_model[i] = *pptr;
5313
5314 if (*pptr == '\"')
5315 pptr ++;
5316
5317 make_model[i] = '\0';
5318
5319 if (*pptr)
5320 num_attrs = cupsParseOptions(pptr, num_attrs, &attrs);
5321 }
5322 }
5323 }
5324
5325 DEBUG_puts(packet);
5326 DEBUG_printf(("type=%x, state=%x, uri=\"%s\"\n"
5327 "location=\"%s\", info=\"%s\", make_model=\"%s\"\n",
5328 type, state, uri, location, info, make_model));
5329
5330 /*
5331 * Pull the URI apart to see if this is a local or remote printer...
5332 */
5333
5334 if (is_local_queue(uri, host, sizeof(host), resource, sizeof(resource)))
5335 {
5336 cupsFreeOptions(num_attrs, attrs);
5337 return;
5338 }
5339
5340 /*
5341 * Do relaying...
5342 */
5343
5344 for (i = 0; i < NumRelays; i ++)
5345 if (cupsdCheckAuth(address, srcname, len, 1, &(Relays[i].from)))
5346 if (sendto(BrowseSocket, packet, bytes, 0,
5347 (struct sockaddr *)&(Relays[i].to),
5348 httpAddrLength(&(Relays[i].to))) <= 0)
5349 {
5350 cupsdLogMessage(CUPSD_LOG_ERROR,
5351 "update_cups_browse: sendto failed for relay %d - %s.",
5352 i + 1, strerror(errno));
5353 cupsFreeOptions(num_attrs, attrs);
5354 return;
5355 }
5356
5357 /*
5358 * Process the browse data...
5359 */
5360
5361 process_browse_data(uri, host, resource, (cups_ptype_t)type,
5362 (ipp_pstate_t)state, location, info, make_model,
5363 num_attrs, attrs);
5364 }
5365
5366
5367 /*
5368 * 'update_lpd()' - Update the LPD configuration as needed.
5369 */
5370
5371 static void
5372 update_lpd(int onoff) /* - 1 = turn on, 0 = turn off */
5373 {
5374 if (!LPDConfigFile)
5375 return;
5376
5377 #ifdef __APPLE__
5378 /*
5379 * Allow /etc/hostconfig CUPS_LPD service setting to override cupsd.conf
5380 * setting for backwards-compatibility.
5381 */
5382
5383 if (onoff && !get_hostconfig("CUPS_LPD"))
5384 onoff = 0;
5385 #endif /* __APPLE__ */
5386
5387 if (!strncmp(LPDConfigFile, "xinetd:///", 10))
5388 {
5389 /*
5390 * Enable/disable LPD via the xinetd.d config file for cups-lpd...
5391 */
5392
5393 char newfile[1024]; /* New cups-lpd.N file */
5394 cups_file_t *ofp, /* Original file pointer */
5395 *nfp; /* New file pointer */
5396 char line[1024]; /* Line from file */
5397
5398
5399 snprintf(newfile, sizeof(newfile), "%s.N", LPDConfigFile + 9);
5400
5401 if ((ofp = cupsFileOpen(LPDConfigFile + 9, "r")) == NULL)
5402 {
5403 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open \"%s\" - %s",
5404 LPDConfigFile + 9, strerror(errno));
5405 return;
5406 }
5407
5408 if ((nfp = cupsFileOpen(newfile, "w")) == NULL)
5409 {
5410 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create \"%s\" - %s",
5411 newfile, strerror(errno));
5412 cupsFileClose(ofp);
5413 return;
5414 }
5415
5416 /*
5417 * Copy all of the lines from the cups-lpd file...
5418 */
5419
5420 while (cupsFileGets(ofp, line, sizeof(line)))
5421 {
5422 if (line[0] == '{')
5423 {
5424 cupsFilePrintf(nfp, "%s\n", line);
5425 snprintf(line, sizeof(line), "\tdisable = %s",
5426 onoff ? "no" : "yes");
5427 }
5428 else if (!strstr(line, "disable ="))
5429 cupsFilePrintf(nfp, "%s\n", line);
5430 }
5431
5432 cupsFileClose(nfp);
5433 cupsFileClose(ofp);
5434 rename(newfile, LPDConfigFile + 9);
5435 }
5436 #ifdef __APPLE__
5437 else if (!strncmp(LPDConfigFile, "launchd:///", 11))
5438 {
5439 /*
5440 * Enable/disable LPD via the launchctl command...
5441 */
5442
5443 char *argv[5], /* Arguments for command */
5444 *envp[MAX_ENV]; /* Environment for command */
5445 int pid; /* Process ID */
5446
5447
5448 cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0])));
5449 argv[0] = (char *)"launchctl";
5450 argv[1] = (char *)(onoff ? "load" : "unload");
5451 argv[2] = (char *)"-w";
5452 argv[3] = LPDConfigFile + 10;
5453 argv[4] = NULL;
5454
5455 cupsdStartProcess("/bin/launchctl", argv, envp, -1, -1, -1, -1, -1, 1,
5456 NULL, NULL, &pid);
5457 }
5458 #endif /* __APPLE__ */
5459 else
5460 cupsdLogMessage(CUPSD_LOG_INFO, "Unknown LPDConfigFile scheme!");
5461 }
5462
5463
5464 /*
5465 * 'update_polling()' - Read status messages from the poll daemons.
5466 */
5467
5468 static void
5469 update_polling(void)
5470 {
5471 char *ptr, /* Pointer to end of line in buffer */
5472 message[1024]; /* Pointer to message text */
5473 int loglevel; /* Log level for message */
5474
5475
5476 while ((ptr = cupsdStatBufUpdate(PollStatusBuffer, &loglevel,
5477 message, sizeof(message))) != NULL)
5478 {
5479 if (loglevel == CUPSD_LOG_INFO)
5480 cupsdLogMessage(CUPSD_LOG_INFO, "%s", message);
5481
5482 if (!strchr(PollStatusBuffer->buffer, '\n'))
5483 break;
5484 }
5485
5486 if (ptr == NULL && !PollStatusBuffer->bufused)
5487 {
5488 /*
5489 * All polling processes have died; stop polling...
5490 */
5491
5492 cupsdLogMessage(CUPSD_LOG_ERROR,
5493 "update_polling: all polling processes have exited!");
5494 cupsdStopPolling();
5495 }
5496 }
5497
5498
5499 /*
5500 * 'update_smb()' - Update the SMB configuration as needed.
5501 */
5502
5503 static void
5504 update_smb(int onoff) /* I - 1 = turn on, 0 = turn off */
5505 {
5506 if (!SMBConfigFile)
5507 return;
5508
5509 if (!strncmp(SMBConfigFile, "samba:///", 9))
5510 {
5511 /*
5512 * Enable/disable SMB via the specified smb.conf config file...
5513 */
5514
5515 char newfile[1024]; /* New smb.conf.N file */
5516 cups_file_t *ofp, /* Original file pointer */
5517 *nfp; /* New file pointer */
5518 char line[1024]; /* Line from file */
5519 int in_printers; /* In [printers] section? */
5520
5521
5522 snprintf(newfile, sizeof(newfile), "%s.N", SMBConfigFile + 8);
5523
5524 if ((ofp = cupsFileOpen(SMBConfigFile + 8, "r")) == NULL)
5525 {
5526 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open \"%s\" - %s",
5527 SMBConfigFile + 8, strerror(errno));
5528 return;
5529 }
5530
5531 if ((nfp = cupsFileOpen(newfile, "w")) == NULL)
5532 {
5533 cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create \"%s\" - %s",
5534 newfile, strerror(errno));
5535 cupsFileClose(ofp);
5536 return;
5537 }
5538
5539 /*
5540 * Copy all of the lines from the smb.conf file...
5541 */
5542
5543 in_printers = 0;
5544
5545 while (cupsFileGets(ofp, line, sizeof(line)))
5546 {
5547 if (in_printers && strstr(line, "printable ="))
5548 snprintf(line, sizeof(line), " printable = %s",
5549 onoff ? "yes" : "no");
5550
5551 cupsFilePrintf(nfp, "%s\n", line);
5552
5553 if (line[0] == '[')
5554 in_printers = !strcmp(line, "[printers]");
5555 }
5556
5557 cupsFileClose(nfp);
5558 cupsFileClose(ofp);
5559 rename(newfile, SMBConfigFile + 8);
5560 }
5561 else
5562 cupsdLogMessage(CUPSD_LOG_INFO, "Unknown SMBConfigFile scheme!");
5563 }
5564
5565
5566 /*
5567 * End of "$Id: dirsvc.c 7933 2008-09-11 00:44:58Z mike $".
5568 */
Unnamed repository; edit this file 'description' to name the repository.