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More changes for STR #4414 to fix cupsGetDestMediaByIndex - wasn't copying the
[thirdparty/cups.git] / cups / dest.c
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ef416fc2 1/*
f2d18633 2 * "$Id$"
ef416fc2 3 *
7e86f2f6 4 * User-defined destination (and option) support for CUPS.
ef416fc2 5 *
7e86f2f6
MS		 6 * Copyright 2007-2014 by Apple Inc.
7 * Copyright 1997-2007 by Easy Software Products.
ef416fc2 8 *
7e86f2f6
MS		 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/".
ef416fc2 14 *
7e86f2f6 15 * This file is subject to the Apple OS-Developed Software exception.
ef416fc2 16 */
17
18/*
19 * Include necessary headers...
20 */
21
71e16022 22#include "cups-private.h"
b423cd4c 23#include <sys/stat.h>
ef416fc2 24
fa73b229 25#ifdef HAVE_NOTIFY_H
26# include <notify.h>
27#endif /* HAVE_NOTIFY_H */
28
dcb445bc
MS		 29#ifdef HAVE_POLL
30# include <poll.h>
31#endif /* HAVE_POLL */
32
33#ifdef HAVE_DNSSD
34# include <dns_sd.h>
35#endif /* HAVE_DNSSD */
36
a29fd7dd
MS		 37#ifdef HAVE_AVAHI
38# include <avahi-client/client.h>
39# include <avahi-client/lookup.h>
40# include <avahi-common/simple-watch.h>
41# include <avahi-common/domain.h>
42# include <avahi-common/error.h>
43# include <avahi-common/malloc.h>
44#define kDNSServiceMaxDomainName AVAHI_DOMAIN_NAME_MAX
45#endif /* HAVE_AVAHI */
46
dcb445bc
MS		 47
48/*
49 * Constants...
50 */
51
080811b1 52#ifdef __APPLE__
080811b1 53# include <SystemConfiguration/SystemConfiguration.h>
f14324a7
MS		 54# define kCUPSPrintingPrefs CFSTR("org.cups.PrintingPrefs")
55# define kDefaultPaperIDKey CFSTR("DefaultPaperID")
56# define kLastUsedPrintersKey CFSTR("LastUsedPrinters")
57# define kLocationNetworkKey CFSTR("Network")
58# define kLocationPrinterIDKey CFSTR("PrinterID")
59# define kUseLastPrinter CFSTR("UseLastPrinter")
080811b1
MS		 60#endif /* __APPLE__ */
61
ef416fc2 62
dcb445bc
MS		 63/*
64 * Types...
65 */
66
a29fd7dd 67#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
dcb445bc
MS		 68typedef enum _cups_dnssd_state_e /* Enumerated device state */
69{
70 _CUPS_DNSSD_NEW,
71 _CUPS_DNSSD_QUERY,
72 _CUPS_DNSSD_PENDING,
73 _CUPS_DNSSD_ACTIVE,
74 _CUPS_DNSSD_LOCAL,
a29fd7dd 75 _CUPS_DNSSD_INCOMPATIBLE,
dcb445bc
MS		 76 _CUPS_DNSSD_ERROR
77} _cups_dnssd_state_t;
78
79typedef struct _cups_dnssd_data_s /* Enumeration data */
80{
a29fd7dd 81# ifdef HAVE_DNSSD
dcb445bc 82 DNSServiceRef main_ref; /* Main service reference */
a29fd7dd
MS		 83# else /* HAVE_AVAHI */
84 AvahiSimplePoll *simple_poll; /* Polling interface */
85 AvahiClient *client; /* Client information */
86 int got_data; /* Did we get data? */
87# endif /* HAVE_DNSSD */
dcb445bc
MS		 88 cups_dest_cb_t cb; /* Callback */
89 void *user_data; /* User data pointer */
90 cups_ptype_t type, /* Printer type filter */
91 mask; /* Printer type mask */
92 cups_array_t *devices; /* Devices found so far */
93} _cups_dnssd_data_t;
94
95typedef struct _cups_dnssd_device_s /* Enumerated device */
96{
97 _cups_dnssd_state_t state; /* State of device listing */
a29fd7dd 98# ifdef HAVE_DNSSD
dcb445bc 99 DNSServiceRef ref; /* Service reference for query */
a29fd7dd
MS		 100# else /* HAVE_AVAHI */
101 AvahiRecordBrowser *ref; /* Browser for query */
102# endif /* HAVE_DNSSD */
dcb445bc
MS		 103 char *domain, /* Domain name */
104 *fullName, /* Full name */
105 *regtype; /* Registration type */
106 cups_ptype_t type; /* Device registration type */
107 cups_dest_t dest; /* Destination record */
108} _cups_dnssd_device_t;
109
110typedef struct _cups_dnssd_resolve_s /* Data for resolving URI */
111{
112 int *cancel; /* Pointer to "cancel" variable */
113 struct timeval end_time; /* Ending time */
114} _cups_dnssd_resolve_t;
115#endif /* HAVE_DNSSD */
116
117
ef416fc2 118/*
119 * Local functions...
120 */
121
080811b1 122#ifdef __APPLE__
9c80ffa2
MS		 123static CFArrayRef appleCopyLocations(void);
124static CFStringRef appleCopyNetwork(void);
125static char *appleGetPaperSize(char *name, int namesize);
a29fd7dd
MS		 126static CFStringRef appleGetPrinter(CFArrayRef locations,
127 CFStringRef network, CFIndex *locindex);
080811b1 128#endif /* __APPLE__ */
9c80ffa2
MS		 129static cups_dest_t *cups_add_dest(const char *name, const char *instance,
130 int *num_dests, cups_dest_t **dests);
131#ifdef __BLOCKS__
dcb445bc
MS		 132static int cups_block_cb(cups_dest_block_t block, unsigned flags,
133 cups_dest_t *dest);
9c80ffa2
MS		 134#endif /* __BLOCKS__ */
135static int cups_compare_dests(cups_dest_t *a, cups_dest_t *b);
a29fd7dd
MS		 136#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
137# ifdef HAVE_DNSSD
dcb445bc
MS		 138static void cups_dnssd_browse_cb(DNSServiceRef sdRef,
139 DNSServiceFlags flags,
140 uint32_t interfaceIndex,
141 DNSServiceErrorType errorCode,
142 const char *serviceName,
143 const char *regtype,
144 const char *replyDomain,
145 void *context);
a29fd7dd
MS		 146# else /* HAVE_AVAHI */
147static void cups_dnssd_browse_cb(AvahiServiceBrowser *browser,
148 AvahiIfIndex interface,
149 AvahiProtocol protocol,
150 AvahiBrowserEvent event,
151 const char *serviceName,
152 const char *regtype,
153 const char *replyDomain,
154 AvahiLookupResultFlags flags,
155 void *context);
156static void cups_dnssd_client_cb(AvahiClient *client,
157 AvahiClientState state,
158 void *context);
159# endif /* HAVE_DNSSD */
dcb445bc
MS		 160static int cups_dnssd_compare_devices(_cups_dnssd_device_t *a,
161 _cups_dnssd_device_t *b);
162static void cups_dnssd_free_device(_cups_dnssd_device_t *device,
163 _cups_dnssd_data_t *data);
164static _cups_dnssd_device_t *
165 cups_dnssd_get_device(_cups_dnssd_data_t *data,
166 const char *serviceName,
167 const char *regtype,
168 const char *replyDomain);
a29fd7dd 169# ifdef HAVE_DNSSD
dcb445bc
MS		 170static void cups_dnssd_local_cb(DNSServiceRef sdRef,
171 DNSServiceFlags flags,
172 uint32_t interfaceIndex,
173 DNSServiceErrorType errorCode,
174 const char *serviceName,
175 const char *regtype,
176 const char *replyDomain,
177 void *context);
178static void cups_dnssd_query_cb(DNSServiceRef sdRef,
179 DNSServiceFlags flags,
180 uint32_t interfaceIndex,
181 DNSServiceErrorType errorCode,
182 const char *fullName,
183 uint16_t rrtype, uint16_t rrclass,
184 uint16_t rdlen, const void *rdata,
185 uint32_t ttl, void *context);
a29fd7dd
MS		 186# else /* HAVE_AVAHI */
187static int cups_dnssd_poll_cb(struct pollfd *pollfds,
188 unsigned int num_pollfds,
189 int timeout, void *context);
190static void cups_dnssd_query_cb(AvahiRecordBrowser *browser,
191 AvahiIfIndex interface,
192 AvahiProtocol protocol,
193 AvahiBrowserEvent event,
194 const char *name, uint16_t rrclass,
195 uint16_t rrtype, const void *rdata,
196 size_t rdlen,
197 AvahiLookupResultFlags flags,
198 void *context);
199# endif /* HAVE_DNSSD */
dcb445bc
MS		 200static const char *cups_dnssd_resolve(cups_dest_t *dest, const char *uri,
201 int msec, int *cancel,
202 cups_dest_cb_t cb, void *user_data);
203static int cups_dnssd_resolve_cb(void *context);
204static void cups_dnssd_unquote(char *dst, const char *src,
205 size_t dstsize);
a29fd7dd 206#endif /* HAVE_DNSSD || HAVE_AVAHI */
9c80ffa2
MS		 207static int cups_find_dest(const char *name, const char *instance,
208 int num_dests, cups_dest_t *dests, int prev,
209 int *rdiff);
210static char *cups_get_default(const char *filename, char *namebuf,
211 size_t namesize, const char **instance);
212static int cups_get_dests(const char *filename, const char *match_name,
213 const char *match_inst, int user_default_set,
214 int num_dests, cups_dest_t **dests);
215static char *cups_make_string(ipp_attribute_t *attr, char *buffer,
216 size_t bufsize);
ef416fc2 217
218
219/*
220 * 'cupsAddDest()' - Add a destination to the list of destinations.
221 *
2abf387c 222 * This function cannot be used to add a new class or printer queue,
223 * it only adds a new container of saved options for the named
224 * destination or instance.
225 *
226 * If the named destination already exists, the destination list is
227 * returned unchanged. Adding a new instance of a destination creates
228 * a copy of that destination's options.
229 *
5a738aea 230 * Use the @link cupsSaveDests@ function to save the updated list of
2abf387c 231 * destinations to the user's lpoptions file.
ef416fc2 232 */
233
234int /* O - New number of destinations */
2abf387c 235cupsAddDest(const char *name, /* I - Destination name */
5a738aea 236 const char *instance, /* I - Instance name or @code NULL@ for none/primary */
ef416fc2 237 int num_dests, /* I - Number of destinations */
238 cups_dest_t **dests) /* IO - Destinations */
239{
240 int i; /* Looping var */
241 cups_dest_t *dest; /* Destination pointer */
bf3816c7 242 cups_dest_t *parent = NULL; /* Parent destination */
426c6a59
MS		 243 cups_option_t *doption, /* Current destination option */
244 *poption; /* Current parent option */
ef416fc2 245
246
2abf387c 247 if (!name || !dests)
ef416fc2 248 return (0);
249
426c6a59
MS		 250 if (!cupsGetDest(name, instance, num_dests, *dests))
251 {
41681883 252 if (instance && !cupsGetDest(name, NULL, num_dests, *dests))
426c6a59 253 return (num_dests);
ef416fc2 254
5a9febac
MS		 255 if ((dest = cups_add_dest(name, instance, &num_dests, dests)) == NULL)
256 return (num_dests);
2abf387c 257
5a662dc0
MS		 258 /*
259 * Find the base dest again now the array has been realloc'd.
260 */
261
262 parent = cupsGetDest(name, NULL, num_dests, *dests);
263
426c6a59
MS		 264 if (instance && parent && parent->num_options > 0)
265 {
266 /*
267 * Copy options from parent...
268 */
ef416fc2 269
7e86f2f6 270 dest->options = calloc(sizeof(cups_option_t), (size_t)parent->num_options);
2abf387c 271
426c6a59
MS		 272 if (dest->options)
273 {
274 dest->num_options = parent->num_options;
ef416fc2 275
426c6a59
MS		 276 for (i = dest->num_options, doption = dest->options,
277 poption = parent->options;
278 i > 0;
279 i --, doption ++, poption ++)
280 {
281 doption->name = _cupsStrRetain(poption->name);
282 doption->value = _cupsStrRetain(poption->value);
283 }
284 }
2abf387c 285 }
286 }
287
426c6a59 288 return (num_dests);
ef416fc2 289}
290
291
c8fef167
MS		 292#ifdef __APPLE__
293/*
294 * '_cupsAppleCopyDefaultPaperID()' - Get the default paper ID.
295 */
296
297CFStringRef /* O - Default paper ID */
298_cupsAppleCopyDefaultPaperID(void)
299{
f14324a7
MS		 300 return (CFPreferencesCopyAppValue(kDefaultPaperIDKey,
301 kCUPSPrintingPrefs));
302}
303
304
305/*
306 * '_cupsAppleCopyDefaultPrinter()' - Get the default printer at this location.
307 */
308
309CFStringRef /* O - Default printer name */
310_cupsAppleCopyDefaultPrinter(void)
311{
312 CFStringRef network; /* Network location */
313 CFArrayRef locations; /* Location array */
314 CFStringRef locprinter; /* Current printer */
c8fef167
MS		 315
316
f14324a7
MS		 317 /*
318 * Use location-based defaults only if "use last printer" is selected in the
319 * system preferences...
320 */
c8fef167 321
f14324a7
MS		 322 if (!_cupsAppleGetUseLastPrinter())
323 {
324 DEBUG_puts("1_cupsAppleCopyDefaultPrinter: Not using last printer as "
325 "default.");
326 return (NULL);
327 }
c8fef167 328
f14324a7
MS		 329 /*
330 * Get the current location...
331 */
332
333 if ((network = appleCopyNetwork()) == NULL)
334 {
335 DEBUG_puts("1_cupsAppleCopyDefaultPrinter: Unable to get current "
336 "network.");
337 return (NULL);
338 }
339
f14324a7
MS		 340 /*
341 * Lookup the network in the preferences...
342 */
343
344 if ((locations = appleCopyLocations()) == NULL)
345 {
346 /*
347 * Missing or bad location array, so no location-based default...
348 */
349
350 DEBUG_puts("1_cupsAppleCopyDefaultPrinter: Missing or bad last used "
351 "printer array.");
352
353 CFRelease(network);
354
355 return (NULL);
356 }
88f9aafc 357
f14324a7
MS		 358 DEBUG_printf(("1_cupsAppleCopyDefaultPrinter: Got locations, %d entries.",
359 (int)CFArrayGetCount(locations)));
360
361 if ((locprinter = appleGetPrinter(locations, network, NULL)) != NULL)
362 CFRetain(locprinter);
363
364 CFRelease(network);
365 CFRelease(locations);
366
367 return (locprinter);
c8fef167
MS		 368}
369
370
371/*
372 * '_cupsAppleGetUseLastPrinter()' - Get whether to use the last used printer.
373 */
374
375int /* O - 1 to use last printer, 0 otherwise */
376_cupsAppleGetUseLastPrinter(void)
377{
378 Boolean uselast, /* Use last printer preference value */
379 uselast_set; /* Valid is set? */
380
381
382 if (getenv("CUPS_DISABLE_APPLE_DEFAULT"))
383 return (0);
384
f14324a7
MS		 385 uselast = CFPreferencesGetAppBooleanValue(kUseLastPrinter,
386 kCUPSPrintingPrefs,
c8fef167 387 &uselast_set);
c8fef167
MS		 388 if (!uselast_set)
389 return (1);
390 else
391 return (uselast);
392}
393
394
395/*
396 * '_cupsAppleSetDefaultPaperID()' - Set the default paper id.
397 */
398
399void
400_cupsAppleSetDefaultPaperID(
401 CFStringRef name) /* I - New paper ID */
402{
f14324a7
MS		 403 CFPreferencesSetAppValue(kDefaultPaperIDKey, name, kCUPSPrintingPrefs);
404 CFPreferencesAppSynchronize(kCUPSPrintingPrefs);
405 notify_post("com.apple.printerPrefsChange");
406}
407
408
409/*
410 * '_cupsAppleSetDefaultPrinter()' - Set the default printer for this location.
411 */
412
413void
414_cupsAppleSetDefaultPrinter(
415 CFStringRef name) /* I - Default printer/class name */
416{
417 CFStringRef network; /* Current network */
418 CFArrayRef locations; /* Old locations array */
419 CFIndex locindex; /* Index in locations array */
420 CFStringRef locprinter; /* Current printer */
421 CFMutableArrayRef newlocations; /* New locations array */
422 CFMutableDictionaryRef newlocation; /* New location */
423
424
425 /*
426 * Get the current location...
427 */
428
429 if ((network = appleCopyNetwork()) == NULL)
430 {
431 DEBUG_puts("1_cupsAppleSetDefaultPrinter: Unable to get current network...");
432 return;
433 }
434
435 /*
436 * Lookup the network in the preferences...
437 */
438
439 if ((locations = appleCopyLocations()) != NULL)
440 locprinter = appleGetPrinter(locations, network, &locindex);
441 else
442 {
443 locprinter = NULL;
444 locindex = -1;
445 }
446
447 if (!locprinter || CFStringCompare(locprinter, name, 0) != kCFCompareEqualTo)
448 {
449 /*
450 * Need to change the locations array...
451 */
452
453 if (locations)
454 {
455 newlocations = CFArrayCreateMutableCopy(kCFAllocatorDefault, 0,
456 locations);
457
458 if (locprinter)
459 CFArrayRemoveValueAtIndex(newlocations, locindex);
460 }
461 else
462 newlocations = CFArrayCreateMutable(kCFAllocatorDefault, 0,
463 &kCFTypeArrayCallBacks);
464
465 newlocation = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
466 &kCFTypeDictionaryKeyCallBacks,
467 &kCFTypeDictionaryValueCallBacks);
468
469 if (newlocation && newlocations)
470 {
471 /*
472 * Put the new location at the front of the array...
473 */
474
475 CFDictionaryAddValue(newlocation, kLocationNetworkKey, network);
476 CFDictionaryAddValue(newlocation, kLocationPrinterIDKey, name);
477 CFArrayInsertValueAtIndex(newlocations, 0, newlocation);
478
479 /*
480 * Limit the number of locations to 10...
481 */
482
483 while (CFArrayGetCount(newlocations) > 10)
484 CFArrayRemoveValueAtIndex(newlocations, 10);
485
486 /*
487 * Push the changes out...
488 */
489
490 CFPreferencesSetAppValue(kLastUsedPrintersKey, newlocations,
491 kCUPSPrintingPrefs);
492 CFPreferencesAppSynchronize(kCUPSPrintingPrefs);
493 notify_post("com.apple.printerPrefsChange");
494 }
495
496 if (newlocations)
497 CFRelease(newlocations);
498
499 if (newlocation)
500 CFRelease(newlocation);
501 }
502
503 if (locations)
504 CFRelease(locations);
505
506 CFRelease(network);
c8fef167
MS		 507}
508
509
510/*
511 * '_cupsAppleSetUseLastPrinter()' - Set whether to use the last used printer.
512 */
88f9aafc
MS		 513
514void
c8fef167
MS		 515_cupsAppleSetUseLastPrinter(
516 int uselast) /* O - 1 to use last printer, 0 otherwise */
517{
88f9aafc 518 CFPreferencesSetAppValue(kUseLastPrinter,
c8fef167 519 uselast ? kCFBooleanTrue : kCFBooleanFalse,
f14324a7
MS		 520 kCUPSPrintingPrefs);
521 CFPreferencesAppSynchronize(kCUPSPrintingPrefs);
522 notify_post("com.apple.printerPrefsChange");
c8fef167
MS		 523}
524#endif /* __APPLE__ */
525
526
9c80ffa2
MS		 527/*
528 * 'cupsConnectDest()' - Connect to the server for a destination.
529 *
dcb445bc
MS		 530 * Connect to the destination, returning a new http_t connection object and
531 * optionally the resource path to use for the destination. These calls will
532 * block until a connection is made, the timeout expires, the integer pointed
533 * to by "cancel" is non-zero, or the callback function (or block) returns 0,
534 * The caller is responsible for calling httpClose() on the returned object.
535 *
f3c17241 536 * @since CUPS 1.6/OS X 10.8@
9c80ffa2
MS		 537 */
538
539http_t * /* O - Connection to server or @code NULL@ */
dcb445bc
MS		 540cupsConnectDest(
541 cups_dest_t *dest, /* I - Destination */
542 unsigned flags, /* I - Connection flags */
543 int msec, /* I - Timeout in milliseconds */
544 int *cancel, /* I - Pointer to "cancel" variable */
545 char *resource, /* I - Resource buffer */
546 size_t resourcesize, /* I - Size of resource buffer */
547 cups_dest_cb_t cb, /* I - Callback function */
548 void *user_data) /* I - User data pointer */
9c80ffa2 549{
dcb445bc
MS		 550 const char *uri; /* Printer URI */
551 char scheme[32], /* URI scheme */
552 userpass[256], /* Username and password (unused) */
553 hostname[256], /* Hostname */
554 tempresource[1024]; /* Temporary resource buffer */
555 int port; /* Port number */
556 char portstr[16]; /* Port number string */
12f89d24 557 http_encryption_t encryption; /* Encryption to use */
dcb445bc
MS		 558 http_addrlist_t *addrlist; /* Address list for server */
559 http_t *http; /* Connection to server */
560
561
562 /*
563 * Range check input...
564 */
565
566 if (!dest)
567 {
568 if (resource)
569 *resource = '\0';
570
cb7f98ee 571 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
dcb445bc
MS		 572 return (NULL);
573 }
574
575 if (!resource || resourcesize < 1)
576 {
577 resource = tempresource;
578 resourcesize = sizeof(tempresource);
579 }
580
581 /*
582 * Grab the printer URI...
583 */
584
585 if ((uri = cupsGetOption("printer-uri-supported", dest->num_options,
586 dest->options)) == NULL)
587 {
cb7f98ee 588 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(ENOENT), 0);
dcb445bc
MS		 589
590 if (cb)
591 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR,
592 dest);
593
594 return (NULL);
595 }
596
a29fd7dd 597#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
dcb445bc
MS		 598 if (strstr(uri, "._tcp"))
599 {
600 if ((uri = cups_dnssd_resolve(dest, uri, msec, cancel, cb,
601 user_data)) == NULL)
602 return (NULL);
603 }
a29fd7dd 604#endif /* HAVE_DNSSD || HAVE_AVAHI */
dcb445bc
MS		 605
606 if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, sizeof(scheme),
607 userpass, sizeof(userpass), hostname, sizeof(hostname),
7e86f2f6 608 &port, resource, (int)resourcesize) < HTTP_URI_STATUS_OK)
dcb445bc 609 {
cb7f98ee 610 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad printer URI."), 1);
dcb445bc
MS		 611
612 if (cb)
613 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR,
614 dest);
615
616 return (NULL);
617 }
618
619 /*
620 * Lookup the address for the server...
621 */
622
623 if (cb)
624 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_RESOLVING,
625 dest);
626
627 snprintf(portstr, sizeof(portstr), "%d", port);
628
629 if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portstr)) == NULL)
630 {
631 if (cb)
632 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR,
633 dest);
634
635 return (NULL);
636 }
637
638 if (cancel && *cancel)
639 {
640 httpAddrFreeList(addrlist);
641
642 if (cb)
643 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_CANCELED,
644 dest);
645
646 return (NULL);
647 }
648
649 /*
650 * Create the HTTP object pointing to the server referenced by the URI...
651 */
652
653 if (!strcmp(scheme, "ipps") || port == 443)
cb7f98ee 654 encryption = HTTP_ENCRYPTION_ALWAYS;
dcb445bc 655 else
cb7f98ee 656 encryption = HTTP_ENCRYPTION_IF_REQUESTED;
dcb445bc 657
db8b865d
MS		 658 http = httpConnect2(hostname, port, addrlist, AF_UNSPEC, encryption, 1, 0,
659 NULL);
dcb445bc
MS		 660
661 /*
662 * Connect if requested...
663 */
664
665 if (flags & CUPS_DEST_FLAGS_UNCONNECTED)
666 {
667 if (cb)
668 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED, dest);
669 }
670 else
671 {
672 if (cb)
673 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_CONNECTING,
674 dest);
675
676 if (!httpReconnect2(http, msec, cancel) && cb)
677 {
678 if (cancel && *cancel)
679 (*cb)(user_data,
680 CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_CONNECTING, dest);
681 else
682 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR,
683 dest);
684 }
685 else if (cb)
686 (*cb)(user_data, CUPS_DEST_FLAGS_NONE, dest);
687 }
688
689 return (http);
690}
691
692
693#ifdef __BLOCKS__
694/*
695 * 'cupsConnectDestBlock()' - Connect to the server for a destination.
696 *
697 * Connect to the destination, returning a new http_t connection object and
698 * optionally the resource path to use for the destination. These calls will
699 * block until a connection is made, the timeout expires, the integer pointed
700 * to by "cancel" is non-zero, or the callback function (or block) returns 0,
701 * The caller is responsible for calling httpClose() on the returned object.
702 *
f3c17241 703 * @since CUPS 1.6/OS X 10.8@
dcb445bc
MS		 704 */
705
706http_t * /* O - Connection to server or @code NULL@ */
707cupsConnectDestBlock(
708 cups_dest_t *dest, /* I - Destination */
709 unsigned flags, /* I - Connection flags */
710 int msec, /* I - Timeout in milliseconds */
711 int *cancel, /* I - Pointer to "cancel" variable */
712 char *resource, /* I - Resource buffer */
713 size_t resourcesize, /* I - Size of resource buffer */
714 cups_dest_block_t block) /* I - Callback block */
715{
716 return (cupsConnectDest(dest, flags, msec, cancel, resource, resourcesize,
717 (cups_dest_cb_t)cups_block_cb, (void *)block));
718}
719#endif /* __BLOCKS__ */
720
721
722/*
723 * 'cupsCopyDest()' - Copy a destination.
724 *
725 * Make a copy of the destination to an array of destinations (or just a single
726 * copy) - for use with the cupsEnumDests* functions. The caller is responsible
727 * for calling cupsFreeDests() on the returned object(s).
728 *
f3c17241 729 * @since CUPS 1.6/OS X 10.8@
dcb445bc
MS		 730 */
731
732int
733cupsCopyDest(cups_dest_t *dest,
734 int num_dests,
735 cups_dest_t **dests)
736{
737 int i; /* Looping var */
738 cups_dest_t *new_dest; /* New destination pointer */
739 cups_option_t *new_option, /* Current destination option */
740 *option; /* Current parent option */
741
742
743 /*
744 * Range check input...
745 */
746
747 if (!dest || num_dests < 0 || !dests)
748 return (num_dests);
749
750 /*
751 * See if the destination already exists...
752 */
753
754 if ((new_dest = cupsGetDest(dest->name, dest->instance, num_dests,
755 *dests)) != NULL)
756 {
757 /*
758 * Protect against copying destination to itself...
759 */
760
761 if (new_dest == dest)
762 return (num_dests);
763
764 /*
765 * Otherwise, free the options...
766 */
767
768 cupsFreeOptions(new_dest->num_options, new_dest->options);
769
770 new_dest->num_options = 0;
771 new_dest->options = NULL;
772 }
773 else
774 new_dest = cups_add_dest(dest->name, dest->instance, &num_dests, dests);
775
776 if (new_dest)
777 {
7e86f2f6 778 if ((new_dest->options = calloc(sizeof(cups_option_t), (size_t)dest->num_options)) == NULL)
dcb445bc
MS		 779 return (cupsRemoveDest(dest->name, dest->instance, num_dests, dests));
780
781 new_dest->num_options = dest->num_options;
782
783 for (i = dest->num_options, option = dest->options,
784 new_option = new_dest->options;
785 i > 0;
786 i --, option ++, new_option ++)
787 {
788 new_option->name = _cupsStrRetain(option->name);
789 new_option->value = _cupsStrRetain(option->value);
790 }
791 }
792
793 return (num_dests);
9c80ffa2
MS		 794}
795
796
797/*
798 * 'cupsEnumDests()' - Enumerate available destinations with a callback function.
799 *
dcb445bc
MS		 800 * Destinations are enumerated from one or more sources. The callback function
801 * receives the @code user_data@ pointer, destination name, instance, number of
802 * options, and options which can be used as input to the @link cupsAddDest@
803 * function. The function must return 1 to continue enumeration or 0 to stop.
9c80ffa2 804 *
dcb445bc
MS		 805 * Enumeration happens on the current thread and does not return until all
806 * destinations have been enumerated or the callback function returns 0.
9c80ffa2 807 *
f3c17241 808 * @since CUPS 1.6/OS X 10.8@
9c80ffa2
MS		 809 */
810
811int /* O - 1 on success, 0 on failure */
dcb445bc
MS		 812cupsEnumDests(
813 unsigned flags, /* I - Enumeration flags */
814 int msec, /* I - Timeout in milliseconds,
815 * -1 for indefinite */
816 int *cancel, /* I - Pointer to "cancel" variable */
817 cups_ptype_t type, /* I - Printer type bits */
818 cups_ptype_t mask, /* I - Mask for printer type bits */
819 cups_dest_cb_t cb, /* I - Callback function */
820 void *user_data) /* I - User data */
9c80ffa2 821{
dcb445bc
MS		 822 int i, /* Looping var */
823 num_dests; /* Number of destinations */
82cc1f9a 824 cups_dest_t *dests = NULL, /* Destinations */
dcb445bc 825 *dest; /* Current destination */
4db41741
MS		 826 const char *defprinter; /* Default printer */
827 char name[1024], /* Copy of printer name */
828 *instance, /* Pointer to instance name */
829 *user_default; /* User default printer */
a29fd7dd
MS		 830#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
831 int count, /* Number of queries started */
dcb445bc
MS		 832 remaining; /* Remainder of timeout */
833 _cups_dnssd_data_t data; /* Data for callback */
834 _cups_dnssd_device_t *device; /* Current device */
a29fd7dd
MS		 835# ifdef HAVE_DNSSD
836 int nfds, /* Number of files responded */
837 main_fd; /* File descriptor for lookups */
dcb445bc
MS		 838 DNSServiceRef ipp_ref, /* IPP browser */
839 local_ipp_ref; /* Local IPP browser */
a29fd7dd 840# ifdef HAVE_SSL
dcb445bc
MS		 841 DNSServiceRef ipps_ref, /* IPPS browser */
842 local_ipps_ref; /* Local IPPS browser */
a29fd7dd
MS		 843# endif /* HAVE_SSL */
844# ifdef HAVE_POLL
dcb445bc 845 struct pollfd pfd; /* Polling data */
a29fd7dd 846# else
dcb445bc
MS		 847 fd_set input; /* Input set for select() */
848 struct timeval timeout; /* Timeout for select() */
a29fd7dd
MS		 849# endif /* HAVE_POLL */
850# else /* HAVE_AVAHI */
851 int error; /* Error value */
852 AvahiServiceBrowser *ipp_ref; /* IPP browser */
853# ifdef HAVE_SSL
854 AvahiServiceBrowser *ipps_ref; /* IPPS browser */
855# endif /* HAVE_SSL */
856# endif /* HAVE_DNSSD */
857#endif /* HAVE_DNSSD || HAVE_AVAHI */
dcb445bc
MS		 858
859 /*
860 * Range check input...
861 */
862
f3c17241
MS		 863 (void)flags;
864
dcb445bc
MS		 865 if (!cb)
866 return (0);
867
868 /*
869 * Get the list of local printers and pass them to the callback function...
870 */
871
5489ad43
MS		 872 num_dests = _cupsGetDests(CUPS_HTTP_DEFAULT, IPP_OP_CUPS_GET_PRINTERS, NULL,
873 &dests, type, mask);
dcb445bc 874
4db41741
MS		 875 if ((user_default = _cupsUserDefault(name, sizeof(name))) != NULL)
876 defprinter = name;
877 else if ((defprinter = cupsGetDefault2(CUPS_HTTP_DEFAULT)) != NULL)
878 {
879 strlcpy(name, defprinter, sizeof(name));
880 defprinter = name;
881 }
882
883 if (defprinter)
884 {
885 /*
886 * Separate printer and instance name...
887 */
888
889 if ((instance = strchr(name, '/')) != NULL)
890 *instance++ = '\0';
891
892 /*
893 * Lookup the printer and instance and make it the default...
894 */
895
896 if ((dest = cupsGetDest(name, instance, num_dests, dests)) != NULL)
897 dest->is_default = 1;
898 }
899
dcb445bc
MS		 900 for (i = num_dests, dest = dests;
901 i > 0 && (!cancel || !*cancel);
902 i --, dest ++)
903 if (!(*cb)(user_data, i > 1 ? CUPS_DEST_FLAGS_MORE : CUPS_DEST_FLAGS_NONE,
904 dest))
905 break;
906
907 cupsFreeDests(num_dests, dests);
908
909 if (i > 0 || msec == 0)
910 return (1);
911
a29fd7dd 912#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
dcb445bc
MS		 913 /*
914 * Get Bonjour-shared printers...
915 */
916
c51dcb48
MS		 917 data.type = type;
918 data.mask = mask;
919 data.cb = cb;
920 data.user_data = user_data;
921 data.devices = cupsArrayNew3((cups_array_func_t)cups_dnssd_compare_devices, NULL, NULL, 0, NULL, (cups_afree_func_t)cups_dnssd_free_device);
dcb445bc 922
a29fd7dd 923# ifdef HAVE_DNSSD
dcb445bc
MS		 924 if (DNSServiceCreateConnection(&data.main_ref) != kDNSServiceErr_NoError)
925 return (0);
926
927 main_fd = DNSServiceRefSockFD(data.main_ref);
928
929 ipp_ref = data.main_ref;
930 DNSServiceBrowse(&ipp_ref, kDNSServiceFlagsShareConnection, 0,
a29fd7dd 931 "_ipp._tcp", NULL,
12f89d24 932 (DNSServiceBrowseReply)cups_dnssd_browse_cb, &data);
dcb445bc
MS		 933
934 local_ipp_ref = data.main_ref;
935 DNSServiceBrowse(&local_ipp_ref, kDNSServiceFlagsShareConnection,
936 kDNSServiceInterfaceIndexLocalOnly,
a29fd7dd 937 "_ipp._tcp", NULL,
12f89d24 938 (DNSServiceBrowseReply)cups_dnssd_local_cb, &data);
dcb445bc 939
a29fd7dd 940# ifdef HAVE_SSL
dcb445bc
MS		 941 ipps_ref = data.main_ref;
942 DNSServiceBrowse(&ipps_ref, kDNSServiceFlagsShareConnection, 0,
a29fd7dd 943 "_ipps._tcp", NULL,
12f89d24 944 (DNSServiceBrowseReply)cups_dnssd_browse_cb, &data);
dcb445bc
MS		 945
946 local_ipps_ref = data.main_ref;
947 DNSServiceBrowse(&local_ipps_ref, kDNSServiceFlagsShareConnection,
948 kDNSServiceInterfaceIndexLocalOnly,
a29fd7dd 949 "_ipps._tcp", NULL,
12f89d24 950 (DNSServiceBrowseReply)cups_dnssd_local_cb, &data);
a29fd7dd
MS		 951# endif /* HAVE_SSL */
952
953# else /* HAVE_AVAHI */
954 if ((data.simple_poll = avahi_simple_poll_new()) == NULL)
955 {
956 DEBUG_puts("cupsEnumDests: Unable to create Avahi simple poll object.");
957 return (1);
958 }
959
960 avahi_simple_poll_set_func(data.simple_poll, cups_dnssd_poll_cb, &data);
961
962 data.client = avahi_client_new(avahi_simple_poll_get(data.simple_poll),
963 0, cups_dnssd_client_cb, &data,
964 &error);
965 if (!data.client)
966 {
967 DEBUG_puts("cupsEnumDests: Unable to create Avahi client.");
968 avahi_simple_poll_free(data.simple_poll);
969 return (1);
970 }
971
972 ipp_ref = avahi_service_browser_new(data.client, AVAHI_IF_UNSPEC,
973 AVAHI_PROTO_UNSPEC, "_ipp._tcp", NULL,
974 0, cups_dnssd_browse_cb, &data);
975# ifdef HAVE_SSL
976 ipps_ref = avahi_service_browser_new(data.client, AVAHI_IF_UNSPEC,
977 AVAHI_PROTO_UNSPEC, "_ipps._tcp", NULL,
978 0, cups_dnssd_browse_cb, &data);
979# endif /* HAVE_SSL */
980# endif /* HAVE_DNSSD */
dcb445bc
MS		 981
982 if (msec < 0)
983 remaining = INT_MAX;
984 else
985 remaining = msec;
986
987 while (remaining > 0 && (!cancel || !*cancel))
988 {
989 /*
990 * Check for input...
991 */
992
a29fd7dd
MS		 993# ifdef HAVE_DNSSD
994# ifdef HAVE_POLL
dcb445bc
MS		 995 pfd.fd = main_fd;
996 pfd.events = POLLIN;
997
998 nfds = poll(&pfd, 1, remaining > 250 ? 250 : remaining);
999
a29fd7dd 1000# else
dcb445bc
MS		 1001 FD_ZERO(&input);
1002 FD_SET(main_fd, &input);
1003
1004 timeout.tv_sec = 0;
1005 timeout.tv_usec = remaining > 250 ? 250000 : remaining * 1000;
1006
1007 nfds = select(main_fd + 1, &input, NULL, NULL, &timeout);
a29fd7dd 1008# endif /* HAVE_POLL */
dcb445bc
MS		 1009
1010 if (nfds > 0)
1011 DNSServiceProcessResult(data.main_ref);
1012 else if (nfds == 0)
1013 remaining -= 250;
1014
a29fd7dd
MS		 1015# else /* HAVE_AVAHI */
1016 data.got_data = 0;
1017
1018 if ((error = avahi_simple_poll_iterate(data.simple_poll, 250)) > 0)
1019 {
1020 /*
1021 * We've been told to exit the loop. Perhaps the connection to
1022 * Avahi failed.
1023 */
1024
1025 break;
1026 }
1027
1028 if (!data.got_data)
1029 remaining -= 250;
1030# endif /* HAVE_DNSSD */
1031
dcb445bc
MS		 1032 for (device = (_cups_dnssd_device_t *)cupsArrayFirst(data.devices),
1033 count = 0;
1034 device;
1035 device = (_cups_dnssd_device_t *)cupsArrayNext(data.devices))
1036 {
1037 if (device->ref)
1038 count ++;
1039
1040 if (!device->ref && device->state == _CUPS_DNSSD_NEW)
1041 {
dcb445bc
MS		 1042 DEBUG_printf(("1cupsEnumDests: Querying '%s'.", device->fullName));
1043
a29fd7dd
MS		 1044# ifdef HAVE_DNSSD
1045 device->ref = data.main_ref;
1046
dcb445bc
MS		 1047 if (DNSServiceQueryRecord(&(device->ref),
1048 kDNSServiceFlagsShareConnection,
1049 0, device->fullName,
1050 kDNSServiceType_TXT,
12f89d24
MS		 1051 kDNSServiceClass_IN,
1052 (DNSServiceQueryRecordReply)cups_dnssd_query_cb,
dcb445bc
MS		 1053 &data) == kDNSServiceErr_NoError)
1054 {
1055 count ++;
1056 }
1057 else
1058 {
1059 device->ref = 0;
1060 device->state = _CUPS_DNSSD_ERROR;
1061
1062 DEBUG_puts("1cupsEnumDests: Query failed.");
1063 }
a29fd7dd
MS		 1064
1065# else /* HAVE_AVAHI */
1066 if ((device->ref = avahi_record_browser_new(data.client,
1067 AVAHI_IF_UNSPEC,
1068 AVAHI_PROTO_UNSPEC,
1069 device->fullName,
1070 AVAHI_DNS_CLASS_IN,
1071 AVAHI_DNS_TYPE_TXT,
1072 0,
1073 cups_dnssd_query_cb,
1074 &data)) != NULL)
1075 {
1076 count ++;
1077 }
1078 else
1079 {
1080 device->state = _CUPS_DNSSD_ERROR;
1081
1082 DEBUG_printf(("1cupsEnumDests: Query failed: %s",
1083 avahi_strerror(avahi_client_errno(data.client))));
1084 }
1085# endif /* HAVE_DNSSD */
dcb445bc
MS		 1086 }
1087 else if (device->ref && device->state == _CUPS_DNSSD_PENDING)
1088 {
a29fd7dd
MS		 1089 if ((device->type & mask) == type)
1090 {
1091 if (!(*cb)(user_data, CUPS_DEST_FLAGS_NONE, &device->dest))
1092 {
1093 remaining = -1;
1094 break;
1095 }
1096 }
dcb445bc
MS		 1097
1098 device->state = _CUPS_DNSSD_ACTIVE;
1099 }
1100 }
1101 }
1102
1103 cupsArrayDelete(data.devices);
1104
a29fd7dd 1105# ifdef HAVE_DNSSD
dcb445bc
MS		 1106 DNSServiceRefDeallocate(ipp_ref);
1107 DNSServiceRefDeallocate(local_ipp_ref);
1108
a29fd7dd 1109# ifdef HAVE_SSL
dcb445bc
MS		 1110 DNSServiceRefDeallocate(ipp_ref);
1111 DNSServiceRefDeallocate(local_ipp_ref);
a29fd7dd 1112# endif /* HAVE_SSL */
dcb445bc
MS		 1113
1114 DNSServiceRefDeallocate(data.main_ref);
a29fd7dd
MS		 1115
1116# else /* HAVE_AVAHI */
1117 avahi_service_browser_free(ipp_ref);
1118# ifdef HAVE_SSL
1119 avahi_service_browser_free(ipps_ref);
1120# endif /* HAVE_SSL */
1121
1122 avahi_client_free(data.client);
1123 avahi_simple_poll_free(data.simple_poll);
1124# endif /* HAVE_DNSSD */
1125#endif /* HAVE_DNSSD || HAVE_DNSSD */
dcb445bc
MS		 1126
1127 return (1);
9c80ffa2
MS		 1128}
1129
1130
1131# ifdef __BLOCKS__
1132/*
1133 * 'cupsEnumDestsBlock()' - Enumerate available destinations with a block.
1134 *
1135 * Destinations are enumerated from one or more sources. The block receives the
dcb445bc
MS		 1136 * destination name, instance, number of options, and options which can be used
1137 * as input to the @link cupsAddDest@ function. The block must return 1 to
1138 * continue enumeration or 0 to stop.
9c80ffa2 1139 *
dcb445bc
MS		 1140 * Enumeration happens on the current thread and does not return until all
1141 * destinations have been enumerated or the block returns 0.
9c80ffa2 1142 *
f3c17241 1143 * @since CUPS 1.6/OS X 10.8@
9c80ffa2
MS		 1144 */
1145
1146int /* O - 1 on success, 0 on failure */
1147cupsEnumDestsBlock(
dcb445bc
MS		 1148 unsigned flags, /* I - Enumeration flags */
1149 int timeout, /* I - Timeout in milliseconds, 0 for indefinite */
1150 int *cancel, /* I - Pointer to "cancel" variable */
1151 cups_ptype_t type, /* I - Printer type bits */
1152 cups_ptype_t mask, /* I - Mask for printer type bits */
9c80ffa2
MS		 1153 cups_dest_block_t block) /* I - Block */
1154{
dcb445bc
MS		 1155 return (cupsEnumDests(flags, timeout, cancel, type, mask,
1156 (cups_dest_cb_t)cups_block_cb, (void *)block));
9c80ffa2
MS		 1157}
1158# endif /* __BLOCKS__ */
1159
1160
ef416fc2 1161/*
1162 * 'cupsFreeDests()' - Free the memory used by the list of destinations.
1163 */
1164
1165void
1166cupsFreeDests(int num_dests, /* I - Number of destinations */
1167 cups_dest_t *dests) /* I - Destinations */
1168{
1169 int i; /* Looping var */
1170 cups_dest_t *dest; /* Current destination */
1171
1172
1173 if (num_dests == 0 || dests == NULL)
1174 return;
1175
1176 for (i = num_dests, dest = dests; i > 0; i --, dest ++)
1177 {
2e4ff8af
MS		 1178 _cupsStrFree(dest->name);
1179 _cupsStrFree(dest->instance);
ef416fc2 1180
1181 cupsFreeOptions(dest->num_options, dest->options);
1182 }
1183
1184 free(dests);
1185}
1186
1187
1188/*
1189 * 'cupsGetDest()' - Get the named destination from the list.
1190 *
5a738aea 1191 * Use the @link cupsGetDests@ or @link cupsGetDests2@ functions to get a
ef416fc2 1192 * list of supported destinations for the current user.
1193 */
1194
5a738aea
MS		 1195cups_dest_t * /* O - Destination pointer or @code NULL@ */
1196cupsGetDest(const char *name, /* I - Destination name or @code NULL@ for the default destination */
1197 const char *instance, /* I - Instance name or @code NULL@ */
ef416fc2 1198 int num_dests, /* I - Number of destinations */
1199 cups_dest_t *dests) /* I - Destinations */
1200{
426c6a59
MS		 1201 int diff, /* Result of comparison */
1202 match; /* Matching index */
ef416fc2 1203
1204
2abf387c 1205 if (num_dests <= 0 || !dests)
ef416fc2 1206 return (NULL);
1207
2abf387c 1208 if (!name)
ef416fc2 1209 {
1210 /*
1211 * NULL name for default printer.
1212 */
1213
1214 while (num_dests > 0)
1215 {
1216 if (dests->is_default)
1217 return (dests);
1218
1219 num_dests --;
1220 dests ++;
1221 }
1222 }
1223 else
1224 {
1225 /*
1226 * Lookup name and optionally the instance...
1227 */
1228
426c6a59 1229 match = cups_find_dest(name, instance, num_dests, dests, -1, &diff);
ef416fc2 1230
426c6a59
MS		 1231 if (!diff)
1232 return (dests + match);
ef416fc2 1233 }
1234
1235 return (NULL);
1236}
1237
1238
dcb445bc
MS		 1239/*
1240 * '_cupsGetDestResource()' - Get the resource path and URI for a destination.
1241 */
1242
1243const char * /* O - Printer URI */
1244_cupsGetDestResource(
1245 cups_dest_t *dest, /* I - Destination */
1246 char *resource, /* I - Resource buffer */
1247 size_t resourcesize) /* I - Size of resource buffer */
1248{
1249 const char *uri; /* Printer URI */
1250 char scheme[32], /* URI scheme */
1251 userpass[256], /* Username and password (unused) */
1252 hostname[256]; /* Hostname */
1253 int port; /* Port number */
1254
1255
1256 /*
1257 * Range check input...
1258 */
1259
1260 if (!dest || !resource || resourcesize < 1)
1261 {
1262 if (resource)
1263 *resource = '\0';
1264
cb7f98ee 1265 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
dcb445bc
MS		 1266 return (NULL);
1267 }
1268
1269 /*
1270 * Grab the printer URI...
1271 */
1272
1273 if ((uri = cupsGetOption("printer-uri-supported", dest->num_options,
1274 dest->options)) == NULL)
1275 {
1276 if (resource)
1277 *resource = '\0';
1278
cb7f98ee 1279 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(ENOENT), 0);
dcb445bc
MS		 1280
1281 return (NULL);
1282 }
1283
1284#ifdef HAVE_DNSSD
1285 if (strstr(uri, "._tcp"))
1286 {
1287 if ((uri = cups_dnssd_resolve(dest, uri, 5000, NULL, NULL, NULL)) == NULL)
1288 return (NULL);
1289 }
1290#endif /* HAVE_DNSSD */
1291
1292 if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, sizeof(scheme),
1293 userpass, sizeof(userpass), hostname, sizeof(hostname),
7e86f2f6 1294 &port, resource, (int)resourcesize) < HTTP_URI_STATUS_OK)
dcb445bc 1295 {
cb7f98ee 1296 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad printer URI."), 1);
dcb445bc
MS		 1297
1298 return (NULL);
1299 }
1300
1301 return (uri);
1302}
1303
1304
c8fef167
MS		 1305/*
1306 * '_cupsGetDests()' - Get destinations from a server.
1307 *
5489ad43
MS		 1308 * "op" is IPP_OP_CUPS_GET_PRINTERS to get a full list, IPP_OP_CUPS_GET_DEFAULT
1309 * to get the system-wide default printer, or IPP_OP_GET_PRINTER_ATTRIBUTES for
1310 * a known printer.
c8fef167
MS		 1311 *
1312 * "name" is the name of an existing printer and is only used when "op" is
cb7f98ee 1313 * IPP_OP_GET_PRINTER_ATTRIBUTES.
c8fef167
MS		 1314 *
1315 * "dest" is initialized to point to the array of destinations.
1316 *
1317 * 0 is returned if there are no printers, no default printer, or the named
1318 * printer does not exist, respectively.
1319 *
1320 * Free the memory used by the destination array using the @link cupsFreeDests@
1321 * function.
1322 *
f3c17241 1323 * Note: On OS X this function also gets the default paper from the system
c8fef167
MS		 1324 * preferences (~/L/P/org.cups.PrintingPrefs.plist) and includes it in the
1325 * options array for each destination that supports it.
1326 */
1327
dcb445bc
MS		 1328int /* O - Number of destinations */
1329_cupsGetDests(http_t *http, /* I - Connection to server or
1330 * @code CUPS_HTTP_DEFAULT@ */
1331 ipp_op_t op, /* I - IPP operation */
1332 const char *name, /* I - Name of destination */
1333 cups_dest_t **dests, /* IO - Destinations */
1334 cups_ptype_t type, /* I - Printer type bits */
1335 cups_ptype_t mask) /* I - Printer type mask */
c8fef167
MS		 1336{
1337 int num_dests = 0; /* Number of destinations */
1338 cups_dest_t *dest; /* Current destination */
1339 ipp_t *request, /* IPP Request */
1340 *response; /* IPP Response */
1341 ipp_attribute_t *attr; /* Current attribute */
1342 const char *printer_name; /* printer-name attribute */
1343 char uri[1024]; /* printer-uri value */
1344 int num_options; /* Number of options */
1345 cups_option_t *options; /* Options */
1346#ifdef __APPLE__
1347 char media_default[41]; /* Default paper size */
1348#endif /* __APPLE__ */
1349 char optname[1024], /* Option name */
1350 value[2048], /* Option value */
1351 *ptr; /* Pointer into name/value */
1352 static const char * const pattrs[] = /* Attributes we're interested in */
1353 {
1354 "auth-info-required",
1355 "device-uri",
1356 "job-sheets-default",
1357 "marker-change-time",
1358 "marker-colors",
1359 "marker-high-levels",
1360 "marker-levels",
1361 "marker-low-levels",
1362 "marker-message",
1363 "marker-names",
1364 "marker-types",
1365#ifdef __APPLE__
1366 "media-supported",
1367#endif /* __APPLE__ */
1368 "printer-commands",
1369 "printer-defaults",
1370 "printer-info",
1371 "printer-is-accepting-jobs",
1372 "printer-is-shared",
1373 "printer-location",
1374 "printer-make-and-model",
5a9febac 1375 "printer-mandatory-job-attributes",
c8fef167
MS		 1376 "printer-name",
1377 "printer-state",
1378 "printer-state-change-time",
1379 "printer-state-reasons",
1380 "printer-type",
1381 "printer-uri-supported"
1382 };
1383
1384
1385#ifdef __APPLE__
1386 /*
1387 * Get the default paper size...
1388 */
1389
1390 appleGetPaperSize(media_default, sizeof(media_default));
1391#endif /* __APPLE__ */
1392
0cb67df3 1393 /*
cb7f98ee 1394 * Build a IPP_OP_CUPS_GET_PRINTERS or IPP_OP_GET_PRINTER_ATTRIBUTES request, which
0cb67df3
MS		 1395 * require the following attributes:
1396 *
1397 * attributes-charset
1398 * attributes-natural-language
1399 * requesting-user-name
cb7f98ee 1400 * printer-uri [for IPP_OP_GET_PRINTER_ATTRIBUTES]
0cb67df3 1401 */
c1420c87 1402
0cb67df3 1403 request = ippNewRequest(op);
c1420c87 1404
0cb67df3
MS		 1405 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1406 "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
1407 NULL, pattrs);
c1420c87 1408
0cb67df3
MS		 1409 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1410 "requesting-user-name", NULL, cupsUser());
c1420c87 1411
cb7f98ee 1412 if (name && op != IPP_OP_CUPS_GET_DEFAULT)
0cb67df3
MS		 1413 {
1414 httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
1415 "localhost", ippPort(), "/printers/%s", name);
1416 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
1417 uri);
1418 }
1419 else if (mask)
1420 {
7e86f2f6
MS		 1421 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_ENUM, "printer-type", (int)type);
1422 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_ENUM, "printer-type-mask", (int)mask);
c1420c87 1423 }
c8fef167 1424
0cb67df3
MS		 1425 /*
1426 * Do the request and get back a response...
1427 */
1428
1429 if ((response = cupsDoRequest(http, request, "/")) != NULL)
c8fef167
MS		 1430 {
1431 for (attr = response->attrs; attr != NULL; attr = attr->next)
1432 {
1433 /*
1434 * Skip leading attributes until we hit a printer...
1435 */
1436
1437 while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
1438 attr = attr->next;
1439
1440 if (attr == NULL)
1441 break;
1442
1443 /*
1444 * Pull the needed attributes from this printer...
1445 */
1446
1447 printer_name = NULL;
1448 num_options = 0;
1449 options = NULL;
1450
1451 for (; attr && attr->group_tag == IPP_TAG_PRINTER; attr = attr->next)
1452 {
1453 if (attr->value_tag != IPP_TAG_INTEGER &&
1454 attr->value_tag != IPP_TAG_ENUM &&
1455 attr->value_tag != IPP_TAG_BOOLEAN &&
1456 attr->value_tag != IPP_TAG_TEXT &&
1457 attr->value_tag != IPP_TAG_TEXTLANG &&
1458 attr->value_tag != IPP_TAG_NAME &&
1459 attr->value_tag != IPP_TAG_NAMELANG &&
1460 attr->value_tag != IPP_TAG_KEYWORD &&
1461 attr->value_tag != IPP_TAG_RANGE &&
1462 attr->value_tag != IPP_TAG_URI)
1463 continue;
1464
1465 if (!strcmp(attr->name, "auth-info-required") ||
1466 !strcmp(attr->name, "device-uri") ||
1467 !strcmp(attr->name, "marker-change-time") ||
1468 !strcmp(attr->name, "marker-colors") ||
1469 !strcmp(attr->name, "marker-high-levels") ||
1470 !strcmp(attr->name, "marker-levels") ||
1471 !strcmp(attr->name, "marker-low-levels") ||
1472 !strcmp(attr->name, "marker-message") ||
1473 !strcmp(attr->name, "marker-names") ||
1474 !strcmp(attr->name, "marker-types") ||
1475 !strcmp(attr->name, "printer-commands") ||
1476 !strcmp(attr->name, "printer-info") ||
1477 !strcmp(attr->name, "printer-is-shared") ||
1478 !strcmp(attr->name, "printer-make-and-model") ||
5a9febac 1479 !strcmp(attr->name, "printer-mandatory-job-attributes") ||
c8fef167
MS		 1480 !strcmp(attr->name, "printer-state") ||
1481 !strcmp(attr->name, "printer-state-change-time") ||
1482 !strcmp(attr->name, "printer-type") ||
1483 !strcmp(attr->name, "printer-is-accepting-jobs") ||
1484 !strcmp(attr->name, "printer-location") ||
1485 !strcmp(attr->name, "printer-state-reasons") ||
1486 !strcmp(attr->name, "printer-uri-supported"))
1487 {
1488 /*
1489 * Add a printer description attribute...
1490 */
1491
1492 num_options = cupsAddOption(attr->name,
1493 cups_make_string(attr, value,
1494 sizeof(value)),
1495 num_options, &options);
1496 }
1497#ifdef __APPLE__
1498 else if (!strcmp(attr->name, "media-supported"))
1499 {
1500 /*
1501 * See if we can set a default media size...
1502 */
1503
1504 int i; /* Looping var */
1505
1506 for (i = 0; i < attr->num_values; i ++)
88f9aafc 1507 if (!_cups_strcasecmp(media_default, attr->values[i].string.text))
c8fef167
MS		 1508 {
1509 num_options = cupsAddOption("media", media_default, num_options,
1510 &options);
1511 break;
1512 }
1513 }
1514#endif /* __APPLE__ */
1515 else if (!strcmp(attr->name, "printer-name") &&
1516 attr->value_tag == IPP_TAG_NAME)
1517 printer_name = attr->values[0].string.text;
1518 else if (strncmp(attr->name, "notify-", 7) &&
1519 (attr->value_tag == IPP_TAG_BOOLEAN ||
1520 attr->value_tag == IPP_TAG_ENUM ||
1521 attr->value_tag == IPP_TAG_INTEGER ||
1522 attr->value_tag == IPP_TAG_KEYWORD ||
1523 attr->value_tag == IPP_TAG_NAME ||
1524 attr->value_tag == IPP_TAG_RANGE) &&
1525 (ptr = strstr(attr->name, "-default")) != NULL)
1526 {
1527 /*
1528 * Add a default option...
1529 */
1530
1531 strlcpy(optname, attr->name, sizeof(optname));
1532 optname[ptr - attr->name] = '\0';
1533
88f9aafc 1534 if (_cups_strcasecmp(optname, "media") ||
c8fef167
MS		 1535 !cupsGetOption("media", num_options, options))
1536 num_options = cupsAddOption(optname,
1537 cups_make_string(attr, value,
1538 sizeof(value)),
1539 num_options, &options);
1540 }
1541 }
1542
1543 /*
1544 * See if we have everything needed...
1545 */
1546
1547 if (!printer_name)
1548 {
1549 cupsFreeOptions(num_options, options);
1550
1551 if (attr == NULL)
1552 break;
1553 else
1554 continue;
1555 }
1556
1557 if ((dest = cups_add_dest(printer_name, NULL, &num_dests, dests)) != NULL)
1558 {
1559 dest->num_options = num_options;
1560 dest->options = options;
1561 }
1562 else
1563 cupsFreeOptions(num_options, options);
1564
1565 if (attr == NULL)
1566 break;
1567 }
1568
1569 ippDelete(response);
1570 }
1571
1572 /*
1573 * Return the count...
1574 */
1575
1576 return (num_dests);
1577}
1578
1579
ef416fc2 1580/*
1581 * 'cupsGetDests()' - Get the list of destinations from the default server.
ecdc0628 1582 *
1583 * Starting with CUPS 1.2, the returned list of destinations include the
1584 * printer-info, printer-is-accepting-jobs, printer-is-shared,
1585 * printer-make-and-model, printer-state, printer-state-change-time,
426c6a59
MS		 1586 * printer-state-reasons, and printer-type attributes as options. CUPS 1.4
1587 * adds the marker-change-time, marker-colors, marker-high-levels,
1588 * marker-levels, marker-low-levels, marker-message, marker-names,
1589 * marker-types, and printer-commands attributes as well.
2abf387c 1590 *
5a738aea
MS		 1591 * Use the @link cupsFreeDests@ function to free the destination list and
1592 * the @link cupsGetDest@ function to find a particular destination.
ef416fc2 1593 */
1594
1595int /* O - Number of destinations */
1596cupsGetDests(cups_dest_t **dests) /* O - Destinations */
1597{
3d052e43 1598 return (cupsGetDests2(CUPS_HTTP_DEFAULT, dests));
ef416fc2 1599}
1600
1601
1602/*
1603 * 'cupsGetDests2()' - Get the list of destinations from the specified server.
1604 *
ecdc0628 1605 * Starting with CUPS 1.2, the returned list of destinations include the
1606 * printer-info, printer-is-accepting-jobs, printer-is-shared,
1607 * printer-make-and-model, printer-state, printer-state-change-time,
426c6a59
MS		 1608 * printer-state-reasons, and printer-type attributes as options. CUPS 1.4
1609 * adds the marker-change-time, marker-colors, marker-high-levels,
1610 * marker-levels, marker-low-levels, marker-message, marker-names,
1611 * marker-types, and printer-commands attributes as well.
ecdc0628 1612 *
5a738aea
MS		 1613 * Use the @link cupsFreeDests@ function to free the destination list and
1614 * the @link cupsGetDest@ function to find a particular destination.
2abf387c 1615 *
f3c17241 1616 * @since CUPS 1.1.21/OS X 10.4@
ef416fc2 1617 */
1618
1619int /* O - Number of destinations */
568fa3fa 1620cupsGetDests2(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
ef416fc2 1621 cups_dest_t **dests) /* O - Destinations */
1622{
ef416fc2 1623 int num_dests; /* Number of destinations */
1624 cups_dest_t *dest; /* Destination pointer */
1625 const char *home; /* HOME environment variable */
b423cd4c 1626 char filename[1024]; /* Local ~/.cups/lpoptions file */
ef416fc2 1627 const char *defprinter; /* Default printer */
1628 char name[1024], /* Copy of printer name */
38e73f87
MS		 1629 *instance, /* Pointer to instance name */
1630 *user_default; /* User default printer */
ef416fc2 1631 int num_reals; /* Number of real queues */
1632 cups_dest_t *reals; /* Real queues */
3d052e43 1633 _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
ef416fc2 1634
1635
1636 /*
1637 * Range check the input...
1638 */
1639
3d052e43 1640 if (!dests)
1ff0402e 1641 {
cb7f98ee 1642 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad NULL dests pointer"), 1);
ef416fc2 1643 return (0);
c8fef167 1644 }
ef416fc2 1645
1646 /*
1647 * Grab the printers and classes...
1648 */
1649
c8fef167 1650 *dests = (cups_dest_t *)0;
cb7f98ee 1651 num_dests = _cupsGetDests(http, IPP_OP_CUPS_GET_PRINTERS, NULL, dests, 0, 0);
b19ccc9e 1652
cb7f98ee 1653 if (cupsLastError() >= IPP_STATUS_REDIRECTION_OTHER_SITE)
b19ccc9e
MS		 1654 {
1655 cupsFreeDests(num_dests, *dests);
1656 *dests = (cups_dest_t *)0;
1657 return (0);
1658 }
ef416fc2 1659
1660 /*
1661 * Make a copy of the "real" queues for a later sanity check...
1662 */
1663
1664 if (num_dests > 0)
1665 {
1666 num_reals = num_dests;
7e86f2f6 1667 reals = calloc((size_t)num_reals, sizeof(cups_dest_t));
ef416fc2 1668
1669 if (reals)
7e86f2f6 1670 memcpy(reals, *dests, (size_t)num_reals * sizeof(cups_dest_t));
ef416fc2 1671 else
1672 num_reals = 0;
1673 }
1674 else
1675 {
1676 num_reals = 0;
1677 reals = NULL;
1678 }
1679
1680 /*
1681 * Grab the default destination...
1682 */
1683
38e73f87
MS		 1684 if ((user_default = _cupsUserDefault(name, sizeof(name))) != NULL)
1685 defprinter = name;
1686 else if ((defprinter = cupsGetDefault2(http)) != NULL)
1687 {
1688 strlcpy(name, defprinter, sizeof(name));
1689 defprinter = name;
1690 }
080811b1
MS		 1691
1692 if (defprinter)
ef416fc2 1693 {
1694 /*
38e73f87 1695 * Separate printer and instance name...
ef416fc2 1696 */
1697
ef416fc2 1698 if ((instance = strchr(name, '/')) != NULL)
1699 *instance++ = '\0';
1700
1701 /*
1702 * Lookup the printer and instance and make it the default...
1703 */
1704
1705 if ((dest = cupsGetDest(name, instance, num_dests, *dests)) != NULL)
1706 dest->is_default = 1;
1707 }
1708 else
ef416fc2 1709 instance = NULL;
ef416fc2 1710
1711 /*
b423cd4c 1712 * Load the /etc/cups/lpoptions and ~/.cups/lpoptions files...
ef416fc2 1713 */
1714
1715 snprintf(filename, sizeof(filename), "%s/lpoptions", cg->cups_serverroot);
38e73f87
MS		 1716 num_dests = cups_get_dests(filename, NULL, NULL, user_default != NULL,
1717 num_dests, dests);
ef416fc2 1718
1719 if ((home = getenv("HOME")) != NULL)
1720 {
b423cd4c 1721 snprintf(filename, sizeof(filename), "%s/.cups/lpoptions", home);
b423cd4c 1722
38e73f87
MS		 1723 num_dests = cups_get_dests(filename, NULL, NULL, user_default != NULL,
1724 num_dests, dests);
ef416fc2 1725 }
1726
1727 /*
1728 * Validate the current default destination - this prevents old
b423cd4c 1729 * Default lines in /etc/cups/lpoptions and ~/.cups/lpoptions from
ef416fc2 1730 * pointing to a non-existent printer or class...
1731 */
1732
1733 if (num_reals)
1734 {
1735 /*
1736 * See if we have a default printer...
1737 */
1738
1739 if ((dest = cupsGetDest(NULL, NULL, num_dests, *dests)) != NULL)
1740 {
1741 /*
1742 * Have a default; see if it is real...
1743 */
1744
5489ad43
MS		 1745 if (!cupsGetDest(dest->name, NULL, num_reals, reals))
1746 {
1747 /*
1748 * Remove the non-real printer from the list, since we don't want jobs
1749 * going to an unexpected printer... (<rdar://problem/14216472>)
1750 */
ef416fc2 1751
5489ad43
MS		 1752 num_dests = cupsRemoveDest(dest->name, dest->instance, num_dests,
1753 dests);
1754 }
ef416fc2 1755 }
1756
1757 /*
1758 * Free memory...
1759 */
1760
1761 free(reals);
1762 }
1763
1764 /*
1765 * Return the number of destinations...
1766 */
1767
1ff0402e 1768 if (num_dests > 0)
cb7f98ee 1769 _cupsSetError(IPP_STATUS_OK, NULL, 0);
1ff0402e 1770
ef416fc2 1771 return (num_dests);
1772}
1773
1774
a4924f6c
MS		 1775/*
1776 * 'cupsGetNamedDest()' - Get options for the named destination.
1777 *
1778 * This function is optimized for retrieving a single destination and should
5a738aea
MS		 1779 * be used instead of @link cupsGetDests@ and @link cupsGetDest@ when you either
1780 * know the name of the destination or want to print to the default destination.
1781 * If @code NULL@ is returned, the destination does not exist or there is no
1782 * default destination.
a4924f6c 1783 *
5a738aea
MS		 1784 * If "http" is @code CUPS_HTTP_DEFAULT@, the connection to the default print
1785 * server will be used.
a4924f6c 1786 *
5a738aea
MS		 1787 * If "name" is @code NULL@, the default printer for the current user will be
1788 * returned.
a4924f6c 1789 *
5a738aea
MS		 1790 * The returned destination must be freed using @link cupsFreeDests@ with a
1791 * "num_dests" value of 1.
a4924f6c 1792 *
f3c17241 1793 * @since CUPS 1.4/OS X 10.6@
a4924f6c
MS		 1794 */
1795
5a738aea 1796cups_dest_t * /* O - Destination or @code NULL@ */
568fa3fa
MS		 1797cupsGetNamedDest(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
1798 const char *name, /* I - Destination name or @code NULL@ for the default destination */
5a738aea 1799 const char *instance) /* I - Instance name or @code NULL@ */
a4924f6c
MS		 1800{
1801 cups_dest_t *dest; /* Destination */
1802 char filename[1024], /* Path to lpoptions */
1803 defname[256]; /* Default printer name */
1804 const char *home = getenv("HOME"); /* Home directory */
38e73f87 1805 int set_as_default = 0; /* Set returned destination as default */
cb7f98ee 1806 ipp_op_t op = IPP_OP_GET_PRINTER_ATTRIBUTES;
a4924f6c
MS		 1807 /* IPP operation to get server ops */
1808 _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
1809
1810
a4924f6c
MS		 1811 /*
1812 * If "name" is NULL, find the default destination...
1813 */
1814
1815 if (!name)
1816 {
38e73f87
MS		 1817 set_as_default = 1;
1818 name = _cupsUserDefault(defname, sizeof(defname));
a4924f6c 1819
7cf5915e
MS		 1820 if (name)
1821 {
1822 char *ptr; /* Temporary pointer... */
1823
1824 if ((ptr = strchr(defname, '/')) != NULL)
1825 {
1826 *ptr++ = '\0';
1827 instance = ptr;
1828 }
1829 else
1830 instance = NULL;
1831 }
1832 else if (home)
a4924f6c
MS		 1833 {
1834 /*
1835 * No default in the environment, try the user's lpoptions files...
1836 */
1837
1838 snprintf(filename, sizeof(filename), "%s/.cups/lpoptions", home);
1839
5a6b583a 1840 name = cups_get_default(filename, defname, sizeof(defname), &instance);
a4924f6c
MS		 1841 }
1842
1843 if (!name)
1844 {
1845 /*
1846 * Still not there? Try the system lpoptions file...
1847 */
1848
1849 snprintf(filename, sizeof(filename), "%s/lpoptions",
1850 cg->cups_serverroot);
1851 name = cups_get_default(filename, defname, sizeof(defname), &instance);
1852 }
1853
1854 if (!name)
1855 {
1856 /*
1857 * No locally-set default destination, ask the server...
1858 */
1859
cb7f98ee 1860 op = IPP_OP_CUPS_GET_DEFAULT;
a4924f6c
MS		 1861 }
1862 }
1863
1864 /*
1865 * Get the printer's attributes...
1866 */
1867
dcb445bc 1868 if (!_cupsGetDests(http, op, name, &dest, 0, 0))
c606bcae 1869 return (NULL);
a4924f6c
MS		 1870
1871 if (instance)
1872 dest->instance = _cupsStrAlloc(instance);
1873
38e73f87
MS		 1874 if (set_as_default)
1875 dest->is_default = 1;
1876
a4924f6c
MS		 1877 /*
1878 * Then add local options...
1879 */
1880
1881 snprintf(filename, sizeof(filename), "%s/lpoptions", cg->cups_serverroot);
38e73f87 1882 cups_get_dests(filename, name, instance, 1, 1, &dest);
a4924f6c
MS		 1883
1884 if (home)
1885 {
1886 snprintf(filename, sizeof(filename), "%s/.cups/lpoptions", home);
1887
38e73f87 1888 cups_get_dests(filename, name, instance, 1, 1, &dest);
a4924f6c
MS		 1889 }
1890
1891 /*
1892 * Return the result...
1893 */
1894
1895 return (dest);
1896}
1897
1898
f7deaa1a 1899/*
1900 * 'cupsRemoveDest()' - Remove a destination from the destination list.
1901 *
1902 * Removing a destination/instance does not delete the class or printer
1903 * queue, merely the lpoptions for that destination/instance. Use the
5a738aea
MS		 1904 * @link cupsSetDests@ or @link cupsSetDests2@ functions to save the new
1905 * options for the user.
f7deaa1a 1906 *
f3c17241 1907 * @since CUPS 1.3/OS X 10.5@
f7deaa1a 1908 */
1909
1910int /* O - New number of destinations */
1911cupsRemoveDest(const char *name, /* I - Destination name */
5a738aea 1912 const char *instance, /* I - Instance name or @code NULL@ */
f7deaa1a 1913 int num_dests, /* I - Number of destinations */
1914 cups_dest_t **dests) /* IO - Destinations */
1915{
1916 int i; /* Index into destinations */
1917 cups_dest_t *dest; /* Pointer to destination */
1918
1919
1920 /*
1921 * Find the destination...
1922 */
1923
1924 if ((dest = cupsGetDest(name, instance, num_dests, *dests)) == NULL)
1925 return (num_dests);
1926
1927 /*
1928 * Free memory...
1929 */
1930
2e4ff8af
MS		 1931 _cupsStrFree(dest->name);
1932 _cupsStrFree(dest->instance);
f7deaa1a 1933 cupsFreeOptions(dest->num_options, dest->options);
1934
1935 /*
1936 * Remove the destination from the array...
1937 */
1938
1939 num_dests --;
1940
7e86f2f6 1941 i = (int)(dest - *dests);
f7deaa1a 1942
1943 if (i < num_dests)
7e86f2f6 1944 memmove(dest, dest + 1, (size_t)(num_dests - i) * sizeof(cups_dest_t));
f7deaa1a 1945
1946 return (num_dests);
1947}
1948
1949
1950/*
3d052e43 1951 * 'cupsSetDefaultDest()' - Set the default destination.
f7deaa1a 1952 *
f3c17241 1953 * @since CUPS 1.3/OS X 10.5@
f7deaa1a 1954 */
1955
1956void
1957cupsSetDefaultDest(
1958 const char *name, /* I - Destination name */
5a738aea 1959 const char *instance, /* I - Instance name or @code NULL@ */
f7deaa1a 1960 int num_dests, /* I - Number of destinations */
1961 cups_dest_t *dests) /* I - Destinations */
1962{
1963 int i; /* Looping var */
1964 cups_dest_t *dest; /* Current destination */
1965
1966
1967 /*
1968 * Range check input...
1969 */
1970
1971 if (!name || num_dests <= 0 || !dests)
1972 return;
1973
1974 /*
1975 * Loop through the array and set the "is_default" flag for the matching
1976 * destination...
1977 */
1978
1979 for (i = num_dests, dest = dests; i > 0; i --, dest ++)
88f9aafc 1980 dest->is_default = !_cups_strcasecmp(name, dest->name) &&
f7deaa1a 1981 ((!instance && !dest->instance) ||
1982 (instance && dest->instance &&
88f9aafc 1983 !_cups_strcasecmp(instance, dest->instance)));
f7deaa1a 1984}
1985
1986
ef416fc2 1987/*
1988 * 'cupsSetDests()' - Save the list of destinations for the default server.
1989 *
1990 * This function saves the destinations to /etc/cups/lpoptions when run
b423cd4c 1991 * as root and ~/.cups/lpoptions when run as a normal user.
ef416fc2 1992 */
1993
1994void
1995cupsSetDests(int num_dests, /* I - Number of destinations */
1996 cups_dest_t *dests) /* I - Destinations */
1997{
3d052e43 1998 cupsSetDests2(CUPS_HTTP_DEFAULT, num_dests, dests);
ef416fc2 1999}
2000
2001
2002/*
2003 * 'cupsSetDests2()' - Save the list of destinations for the specified server.
2004 *
2005 * This function saves the destinations to /etc/cups/lpoptions when run
b423cd4c 2006 * as root and ~/.cups/lpoptions when run as a normal user.
ef416fc2 2007 *
f3c17241 2008 * @since CUPS 1.1.21/OS X 10.4@
ef416fc2 2009 */
2010
2011int /* O - 0 on success, -1 on error */
568fa3fa 2012cupsSetDests2(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
ef416fc2 2013 int num_dests, /* I - Number of destinations */
2014 cups_dest_t *dests) /* I - Destinations */
2015{
2016 int i, j; /* Looping vars */
2017 int wrote; /* Wrote definition? */
2018 cups_dest_t *dest; /* Current destination */
2019 cups_option_t *option; /* Current option */
8ca02f3c 2020 _ipp_option_t *match; /* Matching attribute for option */
ef416fc2 2021 FILE *fp; /* File pointer */
b86bc4cf 2022#ifndef WIN32
ef416fc2 2023 const char *home; /* HOME environment variable */
b86bc4cf 2024#endif /* WIN32 */
ef416fc2 2025 char filename[1024]; /* lpoptions file */
2026 int num_temps; /* Number of temporary destinations */
82cc1f9a 2027 cups_dest_t *temps = NULL, /* Temporary destinations */
ef416fc2 2028 *temp; /* Current temporary dest */
2029 const char *val; /* Value of temporary option */
3d052e43 2030 _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
ef416fc2 2031
2032
2033 /*
2034 * Range check the input...
2035 */
2036
3d052e43 2037 if (!num_dests || !dests)
ef416fc2 2038 return (-1);
2039
2040 /*
2041 * Get the server destinations...
2042 */
2043
cb7f98ee 2044 num_temps = _cupsGetDests(http, IPP_OP_CUPS_GET_PRINTERS, NULL, &temps, 0, 0);
426c6a59 2045
cb7f98ee 2046 if (cupsLastError() >= IPP_STATUS_REDIRECTION_OTHER_SITE)
426c6a59
MS		 2047 {
2048 cupsFreeDests(num_temps, temps);
2049 return (-1);
2050 }
ef416fc2 2051
2052 /*
2053 * Figure out which file to write to...
2054 */
2055
2056 snprintf(filename, sizeof(filename), "%s/lpoptions", cg->cups_serverroot);
2057
2058#ifndef WIN32
2059 if (getuid())
2060 {
2061 /*
2062 * Merge in server defaults...
2063 */
2064
38e73f87 2065 num_temps = cups_get_dests(filename, NULL, NULL, 0, num_temps, &temps);
ef416fc2 2066
2067 /*
2068 * Point to user defaults...
2069 */
2070
2071 if ((home = getenv("HOME")) != NULL)
b423cd4c 2072 {
b423cd4c 2073 /*
2074 * Create ~/.cups subdirectory...
2075 */
2076
2077 snprintf(filename, sizeof(filename), "%s/.cups", home);
2078 if (access(filename, 0))
2079 mkdir(filename, 0700);
2080
2081 snprintf(filename, sizeof(filename), "%s/.cups/lpoptions", home);
2082 }
ef416fc2 2083 }
2084#endif /* !WIN32 */
2085
2086 /*
2087 * Try to open the file...
2088 */
2089
2090 if ((fp = fopen(filename, "w")) == NULL)
2091 {
2092 cupsFreeDests(num_temps, temps);
2093 return (-1);
2094 }
2095
d6ae789d 2096#ifndef WIN32
2097 /*
2098 * Set the permissions to 0644 when saving to the /etc/cups/lpoptions
2099 * file...
2100 */
2101
2102 if (!getuid())
2103 fchmod(fileno(fp), 0644);
2104#endif /* !WIN32 */
2105
ef416fc2 2106 /*
2107 * Write each printer; each line looks like:
2108 *
2109 * Dest name[/instance] options
2110 * Default name[/instance] options
2111 */
2112
2113 for (i = num_dests, dest = dests; i > 0; i --, dest ++)
2114 if (dest->instance != NULL || dest->num_options != 0 || dest->is_default)
2115 {
2116 if (dest->is_default)
2117 {
2118 fprintf(fp, "Default %s", dest->name);
2119 if (dest->instance)
2120 fprintf(fp, "/%s", dest->instance);
2121
2122 wrote = 1;
2123 }
2124 else
2125 wrote = 0;
2126
2127 if ((temp = cupsGetDest(dest->name, dest->instance, num_temps, temps)) == NULL)
2128 temp = cupsGetDest(dest->name, NULL, num_temps, temps);
2129
2130 for (j = dest->num_options, option = dest->options; j > 0; j --, option ++)
2131 {
8ca02f3c 2132 /*
2133 * See if this option is a printer attribute; if so, skip it...
2134 */
2135
2136 if ((match = _ippFindOption(option->name)) != NULL &&
2137 match->group_tag == IPP_TAG_PRINTER)
2138 continue;
2139
ef416fc2 2140 /*
2141 * See if the server/global options match these; if so, don't
2142 * write 'em.
2143 */
2144
8ca02f3c 2145 if (temp &&
2146 (val = cupsGetOption(option->name, temp->num_options,
2147 temp->options)) != NULL &&
88f9aafc 2148 !_cups_strcasecmp(val, option->value))
8ca02f3c 2149 continue;
ef416fc2 2150
2151 /*
2152 * Options don't match, write to the file...
2153 */
2154
2155 if (!wrote)
2156 {
2157 fprintf(fp, "Dest %s", dest->name);
2158 if (dest->instance)
2159 fprintf(fp, "/%s", dest->instance);
2160 wrote = 1;
2161 }
88f9aafc 2162
ef416fc2 2163 if (option->value[0])
2164 {
8ca02f3c 2165 if (strchr(option->value, ' ') ||
2166 strchr(option->value, '\\') ||
2167 strchr(option->value, '\"') ||
2168 strchr(option->value, '\''))
2169 {
2170 /*
2171 * Quote the value...
2172 */
2173
2174 fprintf(fp, " %s=\"", option->name);
2175
2176 for (val = option->value; *val; val ++)
2177 {
2178 if (strchr("\"\'\\", *val))
2179 putc('\\', fp);
2180
2181 putc(*val, fp);
2182 }
2183
2184 putc('\"', fp);
2185 }
2186 else
2187 {
2188 /*
2189 * Store the literal value...
2190 */
2191
ef416fc2 2192 fprintf(fp, " %s=%s", option->name, option->value);
8ca02f3c 2193 }
ef416fc2 2194 }
2195 else
2196 fprintf(fp, " %s", option->name);
2197 }
2198
2199 if (wrote)
2200 fputs("\n", fp);
2201 }
2202
2203 /*
fa73b229 2204 * Free the temporary destinations and close the file...
ef416fc2 2205 */
2206
2207 cupsFreeDests(num_temps, temps);
2208
fa73b229 2209 fclose(fp);
2210
080811b1
MS		 2211#ifdef __APPLE__
2212 /*
2213 * Set the default printer for this location - this allows command-line
2214 * and GUI applications to share the same default destination...
2215 */
2216
2217 if ((dest = cupsGetDest(NULL, NULL, num_dests, dests)) != NULL)
f14324a7
MS		 2218 {
2219 CFStringRef name = CFStringCreateWithCString(kCFAllocatorDefault,
2220 dest->name,
2221 kCFStringEncodingUTF8);
2222 /* Default printer name */
2223
2224 if (name)
2225 {
2226 _cupsAppleSetDefaultPrinter(name);
2227 CFRelease(name);
2228 }
2229 }
080811b1
MS		 2230#endif /* __APPLE__ */
2231
fa73b229 2232#ifdef HAVE_NOTIFY_POST
ef416fc2 2233 /*
fa73b229 2234 * Send a notification so that MacOS X applications can know about the
2235 * change, too.
ef416fc2 2236 */
2237
fa73b229 2238 notify_post("com.apple.printerListChange");
2239#endif /* HAVE_NOTIFY_POST */
ef416fc2 2240
2241 return (0);
2242}
2243
2244
38e73f87
MS		 2245/*
2246 * '_cupsUserDefault()' - Get the user default printer from environment
2247 * variables and location information.
2248 */
2249
2250char * /* O - Default printer or NULL */
2251_cupsUserDefault(char *name, /* I - Name buffer */
2252 size_t namesize) /* I - Size of name buffer */
2253{
2254 const char *env; /* LPDEST or PRINTER env variable */
2255#ifdef __APPLE__
f14324a7 2256 CFStringRef locprinter; /* Last printer as this location */
38e73f87
MS		 2257#endif /* __APPLE__ */
2258
2259
2260 if ((env = getenv("LPDEST")) == NULL)
2261 if ((env = getenv("PRINTER")) != NULL && !strcmp(env, "lp"))
2262 env = NULL;
2263
2264 if (env)
2265 {
2266 strlcpy(name, env, namesize);
2267 return (name);
2268 }
2269
2270#ifdef __APPLE__
2271 /*
2272 * Use location-based defaults if "use last printer" is selected in the
2273 * system preferences...
2274 */
2275
f14324a7 2276 if ((locprinter = _cupsAppleCopyDefaultPrinter()) != NULL)
38e73f87 2277 {
7e86f2f6 2278 CFStringGetCString(locprinter, name, (CFIndex)namesize, kCFStringEncodingUTF8);
f14324a7
MS		 2279 CFRelease(locprinter);
2280 }
38e73f87
MS		 2281 else
2282 name[0] = '\0';
2283
f14324a7 2284 DEBUG_printf(("1_cupsUserDefault: Returning \"%s\".", name));
38e73f87
MS		 2285
2286 return (*name ? name : NULL);
2287
2288#else
2289 /*
2290 * No location-based defaults on this platform...
2291 */
2292
2293 name[0] = '\0';
2294 return (NULL);
2295#endif /* __APPLE__ */
2296}
2297
2298
080811b1 2299#ifdef __APPLE__
06d4e77b
MS		 2300/*
2301 * 'appleCopyLocations()' - Copy the location history array.
2302 */
2303
2304static CFArrayRef /* O - Location array or NULL */
2305appleCopyLocations(void)
2306{
2307 CFArrayRef locations; /* Location array */
2308
2309
2310 /*
2311 * Look up the location array in the preferences...
2312 */
2313
f14324a7
MS		 2314 if ((locations = CFPreferencesCopyAppValue(kLastUsedPrintersKey,
2315 kCUPSPrintingPrefs)) == NULL)
06d4e77b
MS		 2316 return (NULL);
2317
2318 if (CFGetTypeID(locations) != CFArrayGetTypeID())
2319 {
2320 CFRelease(locations);
2321 return (NULL);
2322 }
2323
2324 return (locations);
2325}
2326
2327
749b1e90
MS		 2328/*
2329 * 'appleCopyNetwork()' - Get the network ID for the current location.
2330 */
2331
2332static CFStringRef /* O - Network ID */
2333appleCopyNetwork(void)
2334{
2335 SCDynamicStoreRef dynamicStore; /* System configuration data */
2336 CFStringRef key; /* Current network configuration key */
2337 CFDictionaryRef ip_dict; /* Network configuration data */
2338 CFStringRef network = NULL; /* Current network ID */
88f9aafc 2339
749b1e90 2340
f14324a7 2341 if ((dynamicStore = SCDynamicStoreCreate(NULL, CFSTR("libcups"), NULL,
749b1e90
MS		 2342 NULL)) != NULL)
2343 {
f14324a7
MS		 2344 /*
2345 * First use the IPv6 router address, if available, since that will generally
2346 * be a globally-unique link-local address.
2347 */
2348
749b1e90 2349 if ((key = SCDynamicStoreKeyCreateNetworkGlobalEntity(
f14324a7 2350 NULL, kSCDynamicStoreDomainState, kSCEntNetIPv6)) != NULL)
749b1e90
MS		 2351 {
2352 if ((ip_dict = SCDynamicStoreCopyValue(dynamicStore, key)) != NULL)
2353 {
2354 if ((network = CFDictionaryGetValue(ip_dict,
f14324a7 2355 kSCPropNetIPv6Router)) != NULL)
749b1e90
MS		 2356 CFRetain(network);
2357
2358 CFRelease(ip_dict);
2359 }
2360
2361 CFRelease(key);
2362 }
2363
f14324a7
MS		 2364 /*
2365 * If that doesn't work, try the IPv4 router address. This isn't as unique
2366 * and will likely be a 10.x.y.z or 192.168.y.z address...
2367 */
2368
2369 if (!network)
2370 {
2371 if ((key = SCDynamicStoreKeyCreateNetworkGlobalEntity(
2372 NULL, kSCDynamicStoreDomainState, kSCEntNetIPv4)) != NULL)
2373 {
2374 if ((ip_dict = SCDynamicStoreCopyValue(dynamicStore, key)) != NULL)
2375 {
2376 if ((network = CFDictionaryGetValue(ip_dict,
2377 kSCPropNetIPv4Router)) != NULL)
2378 CFRetain(network);
2379
2380 CFRelease(ip_dict);
2381 }
2382
2383 CFRelease(key);
2384 }
2385 }
2386
749b1e90
MS		 2387 CFRelease(dynamicStore);
2388 }
2389
2390 return (network);
2391}
2392
2393
426c6a59
MS		 2394/*
2395 * 'appleGetPaperSize()' - Get the default paper size.
2396 */
2397
5a9febac 2398static char * /* O - Default paper size */
426c6a59
MS		 2399appleGetPaperSize(char *name, /* I - Paper size name buffer */
2400 int namesize) /* I - Size of buffer */
2401{
54afec33 2402 CFStringRef defaultPaperID; /* Default paper ID */
6961465f 2403 pwg_media_t *pwgmedia; /* PWG media size */
426c6a59
MS		 2404
2405
c8fef167 2406 defaultPaperID = _cupsAppleCopyDefaultPaperID();
426c6a59 2407 if (!defaultPaperID ||
557dde9f 2408 CFGetTypeID(defaultPaperID) != CFStringGetTypeID() ||
426c6a59
MS		 2409 !CFStringGetCString(defaultPaperID, name, namesize,
2410 kCFStringEncodingUTF8))
2411 name[0] = '\0';
6961465f 2412 else if ((pwgmedia = pwgMediaForLegacy(name)) != NULL)
c168a833 2413 strlcpy(name, pwgmedia->pwg, namesize);
426c6a59
MS		 2414
2415 if (defaultPaperID)
2416 CFRelease(defaultPaperID);
2417
2418 return (name);
2419}
2420
2421
080811b1
MS		 2422/*
2423 * 'appleGetPrinter()' - Get a printer from the history array.
2424 */
2425
2426static CFStringRef /* O - Printer name or NULL */
2427appleGetPrinter(CFArrayRef locations, /* I - Location array */
2428 CFStringRef network, /* I - Network name */
2429 CFIndex *locindex) /* O - Index in array */
2430{
2431 CFIndex i, /* Looping var */
2432 count; /* Number of locations */
2433 CFDictionaryRef location; /* Current location */
2434 CFStringRef locnetwork, /* Current network */
2435 locprinter; /* Current printer */
2436
2437
2438 for (i = 0, count = CFArrayGetCount(locations); i < count; i ++)
2439 if ((location = CFArrayGetValueAtIndex(locations, i)) != NULL &&
2440 CFGetTypeID(location) == CFDictionaryGetTypeID())
2441 {
2442 if ((locnetwork = CFDictionaryGetValue(location,
2443 kLocationNetworkKey)) != NULL &&
2444 CFGetTypeID(locnetwork) == CFStringGetTypeID() &&
2445 CFStringCompare(network, locnetwork, 0) == kCFCompareEqualTo &&
2446 (locprinter = CFDictionaryGetValue(location,
2447 kLocationPrinterIDKey)) != NULL &&
2448 CFGetTypeID(locprinter) == CFStringGetTypeID())
2449 {
2450 if (locindex)
2451 *locindex = i;
2452
2453 return (locprinter);
2454 }
2455 }
2456
2457 return (NULL);
2458}
080811b1
MS		 2459#endif /* __APPLE__ */
2460
2461
426c6a59
MS		 2462/*
2463 * 'cups_add_dest()' - Add a destination to the array.
2464 *
2465 * Unlike cupsAddDest(), this function does not check for duplicates.
2466 */
2467
2468static cups_dest_t * /* O - New destination */
2469cups_add_dest(const char *name, /* I - Name of destination */
2470 const char *instance, /* I - Instance or NULL */
2471 int *num_dests, /* IO - Number of destinations */
2472 cups_dest_t **dests) /* IO - Destinations */
2473{
2474 int insert, /* Insertion point */
2475 diff; /* Result of comparison */
2476 cups_dest_t *dest; /* Destination pointer */
2477
2478
2479 /*
2480 * Add new destination...
2481 */
2482
2483 if (*num_dests == 0)
2484 dest = malloc(sizeof(cups_dest_t));
2485 else
7e86f2f6 2486 dest = realloc(*dests, sizeof(cups_dest_t) * (size_t)(*num_dests + 1));
426c6a59
MS		 2487
2488 if (!dest)
2489 return (NULL);
2490
2491 *dests = dest;
2492
2493 /*
2494 * Find where to insert the destination...
2495 */
2496
2497 if (*num_dests == 0)
2498 insert = 0;
2499 else
2500 {
2501 insert = cups_find_dest(name, instance, *num_dests, *dests, *num_dests - 1,
2502 &diff);
2503
2504 if (diff > 0)
2505 insert ++;
2506 }
2507
2508 /*
2509 * Move the array elements as needed...
2510 */
2511
2512 if (insert < *num_dests)
7e86f2f6 2513 memmove(*dests + insert + 1, *dests + insert, (size_t)(*num_dests - insert) * sizeof(cups_dest_t));
426c6a59
MS		 2514
2515 (*num_dests) ++;
2516
2517 /*
2518 * Initialize the destination...
2519 */
2520
2521 dest = *dests + insert;
2522 dest->name = _cupsStrAlloc(name);
2523 dest->instance = _cupsStrAlloc(instance);
2524 dest->is_default = 0;
2525 dest->num_options = 0;
2526 dest->options = (cups_option_t *)0;
2527
2528 return (dest);
2529}
2530
2531
9c80ffa2
MS		 2532# ifdef __BLOCKS__
2533/*
2534 * 'cups_block_cb()' - Enumeration callback for block API.
2535 */
2536
2537static int /* O - 1 to continue, 0 to stop */
2538cups_block_cb(
2539 cups_dest_block_t block, /* I - Block */
dcb445bc
MS		 2540 unsigned flags, /* I - Destination flags */
2541 cups_dest_t *dest) /* I - Destination */
9c80ffa2 2542{
dcb445bc 2543 return ((block)(flags, dest));
9c80ffa2
MS		 2544}
2545# endif /* __BLOCKS__ */
2546
2547
426c6a59
MS		 2548/*
2549 * 'cups_compare_dests()' - Compare two destinations.
2550 */
2551
2552static int /* O - Result of comparison */
2553cups_compare_dests(cups_dest_t *a, /* I - First destination */
2554 cups_dest_t *b) /* I - Second destination */
2555{
2556 int diff; /* Difference */
2557
2558
88f9aafc 2559 if ((diff = _cups_strcasecmp(a->name, b->name)) != 0)
426c6a59
MS		 2560 return (diff);
2561 else if (a->instance && b->instance)
88f9aafc 2562 return (_cups_strcasecmp(a->instance, b->instance));
426c6a59
MS		 2563 else
2564 return ((a->instance && !b->instance) - (!a->instance && b->instance));
2565}
2566
2567
a29fd7dd
MS		 2568#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
2569# ifdef HAVE_DNSSD
dcb445bc
MS		 2570/*
2571 * 'cups_dnssd_browse_cb()' - Browse for printers.
2572 */
2573
2574static void
2575cups_dnssd_browse_cb(
2576 DNSServiceRef sdRef, /* I - Service reference */
2577 DNSServiceFlags flags, /* I - Option flags */
2578 uint32_t interfaceIndex, /* I - Interface number */
2579 DNSServiceErrorType errorCode, /* I - Error, if any */
2580 const char *serviceName, /* I - Name of service/device */
2581 const char *regtype, /* I - Type of service */
2582 const char *replyDomain, /* I - Service domain */
2583 void *context) /* I - Enumeration data */
2584{
2585 _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context;
2586 /* Enumeration data */
2587
2588
2589 DEBUG_printf(("5cups_dnssd_browse_cb(sdRef=%p, flags=%x, "
2590 "interfaceIndex=%d, errorCode=%d, serviceName=\"%s\", "
2591 "regtype=\"%s\", replyDomain=\"%s\", context=%p)",
2592 sdRef, flags, interfaceIndex, errorCode, serviceName, regtype,
2593 replyDomain, context));
2594
2595 /*
2596 * Don't do anything on error...
2597 */
2598
2599 if (errorCode != kDNSServiceErr_NoError)
2600 return;
2601
2602 /*
2603 * Get the device...
2604 */
2605
2606 cups_dnssd_get_device(data, serviceName, regtype, replyDomain);
2607}
2608
2609
a29fd7dd
MS		 2610# else /* HAVE_AVAHI */
2611/*
2612 * 'cups_dnssd_browse_cb()' - Browse for printers.
2613 */
2614
2615static void
2616cups_dnssd_browse_cb(
2617 AvahiServiceBrowser *browser, /* I - Browser */
2618 AvahiIfIndex interface, /* I - Interface index (unused) */
2619 AvahiProtocol protocol, /* I - Network protocol (unused) */
2620 AvahiBrowserEvent event, /* I - What happened */
2621 const char *name, /* I - Service name */
2622 const char *type, /* I - Registration type */
2623 const char *domain, /* I - Domain */
2624 AvahiLookupResultFlags flags, /* I - Flags */
2625 void *context) /* I - Devices array */
2626{
37e7e6e0 2627#ifdef DEBUG
a29fd7dd
MS		 2628 AvahiClient *client = avahi_service_browser_get_client(browser);
2629 /* Client information */
37e7e6e0 2630#endif /* DEBUG */
a29fd7dd
MS		 2631 _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context;
2632 /* Enumeration data */
2633
2634
2635 (void)interface;
2636 (void)protocol;
2637 (void)context;
2638
2639 switch (event)
2640 {
2641 case AVAHI_BROWSER_FAILURE:
2642 DEBUG_printf(("cups_dnssd_browse_cb: %s",
2643 avahi_strerror(avahi_client_errno(client))));
2644 avahi_simple_poll_quit(data->simple_poll);
2645 break;
2646
2647 case AVAHI_BROWSER_NEW:
2648 /*
2649 * This object is new on the network.
2650 */
2651
2652 if (flags & AVAHI_LOOKUP_RESULT_LOCAL)
2653 {
2654 /*
2655 * This comes from the local machine so ignore it.
2656 */
2657
2658 DEBUG_printf(("cups_dnssd_browse_cb: Ignoring local service \"%s\".",
2659 name));
2660 }
2661 else
2662 {
2663 /*
2664 * Create a device entry for it if it doesn't yet exist.
2665 */
2666
2667 cups_dnssd_get_device(data, name, type, domain);
2668 }
2669 break;
2670
2671 case AVAHI_BROWSER_REMOVE:
2672 case AVAHI_BROWSER_ALL_FOR_NOW:
2673 case AVAHI_BROWSER_CACHE_EXHAUSTED:
2674 break;
2675 }
2676}
2677
2678
2679/*
2680 * 'cups_dnssd_client_cb()' - Avahi client callback function.
2681 */
2682
2683static void
2684cups_dnssd_client_cb(
2685 AvahiClient *client, /* I - Client information (unused) */
2686 AvahiClientState state, /* I - Current state */
2687 void *context) /* I - User data (unused) */
2688{
2689 _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context;
2690 /* Enumeration data */
2691
2692
2693 (void)client;
2694
2695 /*
2696 * If the connection drops, quit.
2697 */
2698
2699 if (state == AVAHI_CLIENT_FAILURE)
2700 {
2701 DEBUG_puts("cups_dnssd_client_cb: Avahi connection failed.");
2702 avahi_simple_poll_quit(data->simple_poll);
2703 }
2704}
2705# endif /* HAVE_DNSSD */
2706
2707
dcb445bc
MS		 2708/*
2709 * 'cups_dnssd_compare_device()' - Compare two devices.
2710 */
2711
2712static int /* O - Result of comparison */
2713cups_dnssd_compare_devices(
2714 _cups_dnssd_device_t *a, /* I - First device */
2715 _cups_dnssd_device_t *b) /* I - Second device */
2716{
2717 return (strcmp(a->dest.name, b->dest.name));
2718}
2719
2720
2721/*
2722 * 'cups_dnssd_free_device()' - Free the memory used by a device.
2723 */
2724
2725static void
2726cups_dnssd_free_device(
2727 _cups_dnssd_device_t *device, /* I - Device */
2728 _cups_dnssd_data_t *data) /* I - Enumeration data */
2729{
2730 DEBUG_printf(("5cups_dnssd_free_device(device=%p(%s), data=%p)", device,
2731 device->dest.name, data));
2732
a29fd7dd 2733# ifdef HAVE_DNSSD
dcb445bc
MS		 2734 if (device->ref)
2735 DNSServiceRefDeallocate(device->ref);
a29fd7dd
MS		 2736# else /* HAVE_AVAHI */
2737 if (device->ref)
2738 avahi_record_browser_free(device->ref);
2739# endif /* HAVE_DNSSD */
dcb445bc
MS		 2740
2741 _cupsStrFree(device->domain);
2742 _cupsStrFree(device->fullName);
2743 _cupsStrFree(device->regtype);
2744 _cupsStrFree(device->dest.name);
2745
2746 cupsFreeOptions(device->dest.num_options, device->dest.options);
2747
2748 free(device);
2749}
2750
2751
2752/*
2753 * 'cups_dnssd_get_device()' - Lookup a device and create it as needed.
2754 */
2755
2756static _cups_dnssd_device_t * /* O - Device */
2757cups_dnssd_get_device(
2758 _cups_dnssd_data_t *data, /* I - Enumeration data */
2759 const char *serviceName, /* I - Service name */
2760 const char *regtype, /* I - Registration type */
2761 const char *replyDomain) /* I - Domain name */
2762{
2763 _cups_dnssd_device_t key, /* Search key */
2764 *device; /* Device */
2765 char fullName[kDNSServiceMaxDomainName];
2766 /* Full name for query */
2767
2768
2769 DEBUG_printf(("5cups_dnssd_get_device(data=%p, serviceName=\"%s\", "
2770 "regtype=\"%s\", replyDomain=\"%s\")", data, serviceName,
2771 regtype, replyDomain));
2772
2773 /*
2774 * See if this is an existing device...
2775 */
2776
2777 key.dest.name = (char *)serviceName;
2778
2779 if ((device = cupsArrayFind(data->devices, &key)) != NULL)
2780 {
2781 /*
2782 * Yes, see if we need to do anything with this...
2783 */
2784
2785 int update = 0; /* Non-zero if we need to update */
2786
2787 if (!_cups_strcasecmp(replyDomain, "local.") &&
2788 _cups_strcasecmp(device->domain, replyDomain))
2789 {
2790 /*
2791 * Update the "global" listing to use the .local domain name instead.
2792 */
2793
2794 _cupsStrFree(device->domain);
2795 device->domain = _cupsStrAlloc(replyDomain);
2796
2797 DEBUG_printf(("6cups_dnssd_get_device: Updating '%s' to use local "
2798 "domain.", device->dest.name));
2799
2800 update = 1;
2801 }
2802
2803 if (!_cups_strcasecmp(regtype, "_ipps._tcp") &&
2804 _cups_strcasecmp(device->regtype, regtype))
2805 {
2806 /*
2807 * Prefer IPPS over IPP.
2808 */
2809
2810 _cupsStrFree(device->regtype);
2811 device->regtype = _cupsStrAlloc(regtype);
2812
2813 DEBUG_printf(("6cups_dnssd_get_device: Updating '%s' to use IPPS.",
2814 device->dest.name));
2815
2816 update = 1;
2817 }
2818
2819 if (!update)
2820 {
2821 DEBUG_printf(("6cups_dnssd_get_device: No changes to '%s'.",
2822 device->dest.name));
2823 return (device);
2824 }
2825 }
2826 else
2827 {
2828 /*
2829 * No, add the device...
2830 */
2831
2832 DEBUG_printf(("6cups_dnssd_get_device: Adding '%s' for %s with domain "
2833 "'%s'.", serviceName,
2834 !strcmp(regtype, "_ipps._tcp") ? "IPPS" : "IPP",
2835 replyDomain));
2836
2837 device = calloc(sizeof(_cups_dnssd_device_t), 1);
2838 device->dest.name = _cupsStrAlloc(serviceName);
2839 device->domain = _cupsStrAlloc(replyDomain);
2840 device->regtype = _cupsStrAlloc(regtype);
2841
2842 cupsArrayAdd(data->devices, device);
2843 }
2844
2845 /*
2846 * Set the "full name" of this service, which is used for queries...
2847 */
2848
a29fd7dd 2849# ifdef HAVE_DNSSD
dcb445bc
MS		 2850 DNSServiceConstructFullName(fullName, device->dest.name, device->regtype,
2851 device->domain);
a29fd7dd
MS		 2852# else /* HAVE_AVAHI */
2853 avahi_service_name_join(fullName, kDNSServiceMaxDomainName, serviceName,
2854 regtype, replyDomain);
2855# endif /* HAVE_DNSSD */
2856
dcb445bc
MS		 2857 _cupsStrFree(device->fullName);
2858 device->fullName = _cupsStrAlloc(fullName);
2859
2860 if (device->ref)
2861 {
a29fd7dd 2862# ifdef HAVE_DNSSD
dcb445bc 2863 DNSServiceRefDeallocate(device->ref);
a29fd7dd
MS		 2864# else /* HAVE_AVAHI */
2865 avahi_record_browser_free(device->ref);
2866# endif /* HAVE_DNSSD */
2867
dcb445bc
MS		 2868 device->ref = 0;
2869 }
2870
2871 if (device->state == _CUPS_DNSSD_ACTIVE)
2872 {
2873 (*data->cb)(data->user_data, CUPS_DEST_FLAGS_REMOVED, &device->dest);
2874 device->state = _CUPS_DNSSD_NEW;
2875 }
2876
2877 return (device);
2878}
2879
2880
a29fd7dd 2881# ifdef HAVE_DNSSD
dcb445bc
MS		 2882/*
2883 * 'cups_dnssd_local_cb()' - Browse for local printers.
2884 */
2885
2886static void
2887cups_dnssd_local_cb(
2888 DNSServiceRef sdRef, /* I - Service reference */
2889 DNSServiceFlags flags, /* I - Option flags */
2890 uint32_t interfaceIndex, /* I - Interface number */
2891 DNSServiceErrorType errorCode, /* I - Error, if any */
2892 const char *serviceName, /* I - Name of service/device */
2893 const char *regtype, /* I - Type of service */
2894 const char *replyDomain, /* I - Service domain */
2895 void *context) /* I - Devices array */
2896{
2897 _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context;
2898 /* Enumeration data */
2899 _cups_dnssd_device_t *device; /* Device */
2900
2901
2902 DEBUG_printf(("5cups_dnssd_local_cb(sdRef=%p, flags=%x, "
2903 "interfaceIndex=%d, errorCode=%d, serviceName=\"%s\", "
2904 "regtype=\"%s\", replyDomain=\"%s\", context=%p)",
2905 sdRef, flags, interfaceIndex, errorCode, serviceName,
2906 regtype, replyDomain, context));
2907
2908 /*
2909 * Only process "add" data...
2910 */
2911
2912 if (errorCode != kDNSServiceErr_NoError || !(flags & kDNSServiceFlagsAdd))
2913 return;
2914
2915 /*
2916 * Get the device...
2917 */
2918
2919 device = cups_dnssd_get_device(data, serviceName, regtype, replyDomain);
2920
2921 /*
2922 * Hide locally-registered devices...
2923 */
2924
2925 DEBUG_printf(("6cups_dnssd_local_cb: Hiding local printer '%s'.",
2926 serviceName));
2927
2928 if (device->ref)
2929 {
2930 DNSServiceRefDeallocate(device->ref);
2931 device->ref = 0;
2932 }
2933
2934 if (device->state == _CUPS_DNSSD_ACTIVE)
2935 (*data->cb)(data->user_data, CUPS_DEST_FLAGS_REMOVED, &device->dest);
2936
2937 device->state = _CUPS_DNSSD_LOCAL;
2938}
a29fd7dd
MS		 2939# endif /* HAVE_DNSSD */
2940
2941
2942# ifdef HAVE_AVAHI
2943/*
2944 * 'cups_dnssd_poll_cb()' - Wait for input on the specified file descriptors.
2945 *
2946 * Note: This function is needed because avahi_simple_poll_iterate is broken
2947 * and always uses a timeout of 0 (!) milliseconds.
2948 * (Avahi Ticket #364)
2949 */
2950
2951static int /* O - Number of file descriptors matching */
2952cups_dnssd_poll_cb(
2953 struct pollfd *pollfds, /* I - File descriptors */
2954 unsigned int num_pollfds, /* I - Number of file descriptors */
2955 int timeout, /* I - Timeout in milliseconds (unused) */
2956 void *context) /* I - User data (unused) */
2957{
2958 _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context;
2959 /* Enumeration data */
2960 int val; /* Return value */
2961
2962
2963 (void)timeout;
2964
2965 val = poll(pollfds, num_pollfds, 250);
2966
2967 if (val < 0)
2968 {
2969 DEBUG_printf(("cups_dnssd_poll_cb: %s", strerror(errno)));
2970 }
2971 else if (val > 0)
2972 data->got_data = 1;
2973
2974 return (val);
2975}
2976# endif /* HAVE_AVAHI */
dcb445bc
MS		 2977
2978
2979/*
2980 * 'cups_dnssd_query_cb()' - Process query data.
2981 */
2982
a29fd7dd 2983# ifdef HAVE_DNSSD
dcb445bc
MS		 2984static void
2985cups_dnssd_query_cb(
2986 DNSServiceRef sdRef, /* I - Service reference */
2987 DNSServiceFlags flags, /* I - Data flags */
2988 uint32_t interfaceIndex, /* I - Interface */
2989 DNSServiceErrorType errorCode, /* I - Error, if any */
2990 const char *fullName, /* I - Full service name */
2991 uint16_t rrtype, /* I - Record type */
2992 uint16_t rrclass, /* I - Record class */
2993 uint16_t rdlen, /* I - Length of record data */
2994 const void *rdata, /* I - Record data */
2995 uint32_t ttl, /* I - Time-to-live */
2996 void *context) /* I - Enumeration data */
2997{
a29fd7dd
MS		 2998# else /* HAVE_AVAHI */
2999static void
3000cups_dnssd_query_cb(
3001 AvahiRecordBrowser *browser, /* I - Record browser */
3002 AvahiIfIndex interfaceIndex,
3003 /* I - Interface index (unused) */
3004 AvahiProtocol protocol, /* I - Network protocol (unused) */
3005 AvahiBrowserEvent event, /* I - What happened? */
3006 const char *fullName, /* I - Service name */
3007 uint16_t rrclass, /* I - Record class */
3008 uint16_t rrtype, /* I - Record type */
3009 const void *rdata, /* I - TXT record */
3010 size_t rdlen, /* I - Length of TXT record */
3011 AvahiLookupResultFlags flags, /* I - Flags */
3012 void *context) /* I - Enumeration data */
3013{
37e7e6e0 3014# ifdef DEBUG
a29fd7dd
MS		 3015 AvahiClient *client = avahi_record_browser_get_client(browser);
3016 /* Client information */
37e7e6e0 3017# endif /* DEBUG */
a29fd7dd 3018# endif /* HAVE_DNSSD */
dcb445bc
MS		 3019 _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context;
3020 /* Enumeration data */
3021 char name[1024], /* Service name */
3022 *ptr; /* Pointer into string */
3023 _cups_dnssd_device_t dkey, /* Search key */
3024 *device; /* Device */
3025
3026
a29fd7dd 3027# ifdef HAVE_DNSSD
dcb445bc
MS		 3028 DEBUG_printf(("5cups_dnssd_query_cb(sdRef=%p, flags=%x, "
3029 "interfaceIndex=%d, errorCode=%d, fullName=\"%s\", "
3030 "rrtype=%u, rrclass=%u, rdlen=%u, rdata=%p, ttl=%u, "
3031 "context=%p)", sdRef, flags, interfaceIndex, errorCode,
3032 fullName, rrtype, rrclass, rdlen, rdata, ttl, context));
3033
3034 /*
3035 * Only process "add" data...
3036 */
3037
3038 if (errorCode != kDNSServiceErr_NoError || !(flags & kDNSServiceFlagsAdd))
3039 return;
3040
a29fd7dd
MS		 3041# else /* HAVE_AVAHI */
3042 DEBUG_printf(("5cups_dnssd_query_cb(browser=%p, interfaceIndex=%d, "
3043 "protocol=%d, event=%d, fullName=\"%s\", rrclass=%u, "
3044 "rrtype=%u, rdata=%p, rdlen=%u, flags=%x, context=%p)",
3045 browser, interfaceIndex, protocol, event, fullName, rrclass,
3046 rrtype, rdata, (unsigned)rdlen, flags, context));
3047
3048 /*
3049 * Only process "add" data...
3050 */
3051
3052 if (event != AVAHI_BROWSER_NEW)
3053 {
3054 if (event == AVAHI_BROWSER_FAILURE)
3055 DEBUG_printf(("cups_dnssd_query_cb: %s",
3056 avahi_strerror(avahi_client_errno(client))));
3057
3058 return;
3059 }
3060# endif /* HAVE_DNSSD */
3061
dcb445bc
MS		 3062 /*
3063 * Lookup the service in the devices array.
3064 */
3065
3066 dkey.dest.name = name;
3067
3068 cups_dnssd_unquote(name, fullName, sizeof(name));
3069
3070 if ((ptr = strstr(name, "._")) != NULL)
3071 *ptr = '\0';
3072
3073 if ((device = cupsArrayFind(data->devices, &dkey)) != NULL)
3074 {
3075 /*
a29fd7dd 3076 * Found it, pull out the make and model from the TXT record and save it...
dcb445bc
MS		 3077 */
3078
3079 const uint8_t *txt, /* Pointer into data */
3080 *txtnext, /* Next key/value pair */
3081 *txtend; /* End of entire TXT record */
3082 uint8_t txtlen; /* Length of current key/value pair */
3083 char key[256], /* Key string */
3084 value[256], /* Value string */
3085 make_and_model[512],
3086 /* Manufacturer and model */
3087 model[256], /* Model */
3088 uriname[1024], /* Name for URI */
3089 uri[1024]; /* Printer URI */
a29fd7dd
MS		 3090 cups_ptype_t type = CUPS_PRINTER_REMOTE | CUPS_PRINTER_BW;
3091 /* Printer type */
3092 int saw_printer_type = 0;
3093 /* Did we see a printer-type key? */
dcb445bc
MS		 3094
3095 device->state = _CUPS_DNSSD_PENDING;
3096 make_and_model[0] = '\0';
dcb445bc 3097
5a9febac 3098 strlcpy(model, "Unknown", sizeof(model));
dcb445bc
MS		 3099
3100 for (txt = rdata, txtend = txt + rdlen;
3101 txt < txtend;
3102 txt = txtnext)
3103 {
3104 /*
3105 * Read a key/value pair starting with an 8-bit length. Since the
3106 * length is 8 bits and the size of the key/value buffers is 256, we
3107 * don't need to check for overflow...
3108 */
3109
3110 txtlen = *txt++;
3111
3112 if (!txtlen || (txt + txtlen) > txtend)
3113 break;
3114
3115 txtnext = txt + txtlen;
3116
3117 for (ptr = key; txt < txtnext && *txt != '='; txt ++)
7e86f2f6 3118 *ptr++ = (char)*txt;
dcb445bc
MS		 3119 *ptr = '\0';
3120
3121 if (txt < txtnext && *txt == '=')
3122 {
3123 txt ++;
3124
3125 if (txt < txtnext)
07623986 3126 memcpy(value, txt, (size_t)(txtnext - txt));
dcb445bc
MS		 3127 value[txtnext - txt] = '\0';
3128
3129 DEBUG_printf(("6cups_dnssd_query_cb: %s=%s", key, value));
3130 }
3131 else
3132 {
3133 DEBUG_printf(("6cups_dnssd_query_cb: '%s' with no value.", key));
3134 continue;
3135 }
3136
3137 if (!_cups_strcasecmp(key, "usb_MFG") ||
3138 !_cups_strcasecmp(key, "usb_MANU") ||
3139 !_cups_strcasecmp(key, "usb_MANUFACTURER"))
5a9febac 3140 strlcpy(make_and_model, value, sizeof(make_and_model));
dcb445bc
MS		 3141 else if (!_cups_strcasecmp(key, "usb_MDL") ||
3142 !_cups_strcasecmp(key, "usb_MODEL"))
5a9febac 3143 strlcpy(model, value, sizeof(model));
dcb445bc
MS		 3144 else if (!_cups_strcasecmp(key, "product") && !strstr(value, "Ghostscript"))
3145 {
3146 if (value[0] == '(')
3147 {
3148 /*
3149 * Strip parenthesis...
3150 */
3151
3152 if ((ptr = value + strlen(value) - 1) > value && *ptr == ')')
3153 *ptr = '\0';
3154
5a9febac 3155 strlcpy(model, value + 1, sizeof(model));
dcb445bc
MS		 3156 }
3157 else
5a9febac 3158 strlcpy(model, value, sizeof(model));
dcb445bc
MS		 3159 }
3160 else if (!_cups_strcasecmp(key, "ty"))
3161 {
5a9febac 3162 strlcpy(model, value, sizeof(model));
dcb445bc
MS		 3163
3164 if ((ptr = strchr(model, ',')) != NULL)
3165 *ptr = '\0';
3166 }
a29fd7dd
MS		 3167 else if (!_cups_strcasecmp(key, "note"))
3168 device->dest.num_options = cupsAddOption("printer-location", value,
3169 device->dest.num_options,
3170 &device->dest.options);
3171 else if (!_cups_strcasecmp(key, "pdl"))
3172 {
3173 /*
3174 * Look for PDF-capable printers; only PDF-capable printers are shown.
3175 */
3176
3177 const char *start, *next; /* Pointer into value */
3178 int have_pdf = 0; /* Have PDF? */
3179
3180 for (start = value; start && *start; start = next)
3181 {
3182 if (!_cups_strncasecmp(start, "application/pdf", 15) &&
3183 (!start[15] || start[15] == ','))
3184 {
3185 have_pdf = 1;
3186 break;
3187 }
3188
3189 if ((next = strchr(start, ',')) != NULL)
3190 next ++;
3191 }
3192
3193 if (!have_pdf)
3194 device->state = _CUPS_DNSSD_INCOMPATIBLE;
3195 }
dcb445bc
MS		 3196 else if (!_cups_strcasecmp(key, "printer-type"))
3197 {
a29fd7dd
MS		 3198 /*
3199 * Value is either NNNN or 0xXXXX
3200 */
3201
3202 saw_printer_type = 1;
7e86f2f6 3203 type = (cups_ptype_t)strtol(value, NULL, 0);
a29fd7dd
MS		 3204 }
3205 else if (!saw_printer_type)
3206 {
3207 if (!_cups_strcasecmp(key, "air") &&
3208 !_cups_strcasecmp(value, "t"))
3209 type |= CUPS_PRINTER_AUTHENTICATED;
3210 else if (!_cups_strcasecmp(key, "bind") &&
3211 !_cups_strcasecmp(value, "t"))
3212 type |= CUPS_PRINTER_BIND;
3213 else if (!_cups_strcasecmp(key, "collate") &&
3214 !_cups_strcasecmp(value, "t"))
3215 type |= CUPS_PRINTER_COLLATE;
3216 else if (!_cups_strcasecmp(key, "color") &&
3217 !_cups_strcasecmp(value, "t"))
3218 type |= CUPS_PRINTER_COLOR;
3219 else if (!_cups_strcasecmp(key, "copies") &&
3220 !_cups_strcasecmp(value, "t"))
3221 type |= CUPS_PRINTER_COPIES;
3222 else if (!_cups_strcasecmp(key, "duplex") &&
3223 !_cups_strcasecmp(value, "t"))
3224 type |= CUPS_PRINTER_DUPLEX;
3225 else if (!_cups_strcasecmp(key, "fax") &&
3226 !_cups_strcasecmp(value, "t"))
3227 type |= CUPS_PRINTER_MFP;
3228 else if (!_cups_strcasecmp(key, "papercustom") &&
3229 !_cups_strcasecmp(value, "t"))
3230 type |= CUPS_PRINTER_VARIABLE;
3231 else if (!_cups_strcasecmp(key, "papermax"))
3232 {
3233 if (!_cups_strcasecmp(value, "legal-a4"))
3234 type |= CUPS_PRINTER_SMALL;
3235 else if (!_cups_strcasecmp(value, "isoc-a2"))
3236 type |= CUPS_PRINTER_MEDIUM;
3237 else if (!_cups_strcasecmp(value, ">isoc-a2"))
3238 type |= CUPS_PRINTER_LARGE;
3239 }
3240 else if (!_cups_strcasecmp(key, "punch") &&
3241 !_cups_strcasecmp(value, "t"))
3242 type |= CUPS_PRINTER_PUNCH;
3243 else if (!_cups_strcasecmp(key, "scan") &&
3244 !_cups_strcasecmp(value, "t"))
3245 type |= CUPS_PRINTER_MFP;
3246 else if (!_cups_strcasecmp(key, "sort") &&
3247 !_cups_strcasecmp(value, "t"))
3248 type |= CUPS_PRINTER_SORT;
3249 else if (!_cups_strcasecmp(key, "staple") &&
3250 !_cups_strcasecmp(value, "t"))
3251 type |= CUPS_PRINTER_STAPLE;
dcb445bc
MS		 3252 }
3253 }
3254
3255 /*
a29fd7dd 3256 * Save the printer-xxx values...
dcb445bc
MS		 3257 */
3258
a29fd7dd
MS		 3259 device->dest.num_options = cupsAddOption("printer-info", name,
3260 device->dest.num_options,
3261 &device->dest.options);
3262
dcb445bc
MS		 3263 if (make_and_model[0])
3264 {
3265 strlcat(make_and_model, " ", sizeof(make_and_model));
3266 strlcat(make_and_model, model, sizeof(make_and_model));
3267
3268 device->dest.num_options = cupsAddOption("printer-make-and-model",
3269 make_and_model,
3270 device->dest.num_options,
3271 &device->dest.options);
3272 }
3273 else
3274 device->dest.num_options = cupsAddOption("printer-make-and-model",
3275 model,
3276 device->dest.num_options,
3277 &device->dest.options);
3278
a29fd7dd
MS		 3279 device->type = type;
3280 snprintf(value, sizeof(value), "%u", type);
3281 device->dest.num_options = cupsAddOption("printer-type", value,
3282 device->dest.num_options,
3283 &device->dest.options);
3284
dcb445bc
MS		 3285 /*
3286 * Save the URI...
3287 */
3288
3289 cups_dnssd_unquote(uriname, device->fullName, sizeof(uriname));
3290 httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri),
3291 !strcmp(device->regtype, "_ipps._tcp") ? "ipps" : "ipp",
a29fd7dd 3292 NULL, uriname, 0, saw_printer_type ? "/cups" : "/");
dcb445bc
MS		 3293
3294 DEBUG_printf(("6cups_dnssd_query: printer-uri-supported=\"%s\"", uri));
3295
3296 device->dest.num_options = cupsAddOption("printer-uri-supported", uri,
3297 device->dest.num_options,
3298 &device->dest.options);
3299 }
3300 else
3301 DEBUG_printf(("6cups_dnssd_query: Ignoring TXT record for '%s'.",
3302 fullName));
3303}
3304
3305
3306/*
3307 * 'cups_dnssd_resolve()' - Resolve a Bonjour printer URI.
3308 */
3309
3310static const char * /* O - Resolved URI or NULL */
3311cups_dnssd_resolve(
3312 cups_dest_t *dest, /* I - Destination */
3313 const char *uri, /* I - Current printer URI */
3314 int msec, /* I - Time in milliseconds */
3315 int *cancel, /* I - Pointer to "cancel" variable */
3316 cups_dest_cb_t cb, /* I - Callback */
3317 void *user_data) /* I - User data for callback */
3318{
3319 char tempuri[1024]; /* Temporary URI buffer */
3320 _cups_dnssd_resolve_t resolve; /* Resolve data */
3321
3322
3323 /*
3324 * Resolve the URI...
3325 */
3326
3327 resolve.cancel = cancel;
3328 gettimeofday(&resolve.end_time, NULL);
3329 if (msec > 0)
3330 {
3331 resolve.end_time.tv_sec += msec / 1000;
3332 resolve.end_time.tv_usec += (msec % 1000) * 1000;
3333
3334 while (resolve.end_time.tv_usec >= 1000000)
3335 {
3336 resolve.end_time.tv_sec ++;
3337 resolve.end_time.tv_usec -= 1000000;
3338 }
3339 }
3340 else
3341 resolve.end_time.tv_sec += 75;
3342
3343 if (cb)
3344 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_RESOLVING,
3345 dest);
3346
3347 if ((uri = _httpResolveURI(uri, tempuri, sizeof(tempuri),
3348 _HTTP_RESOLVE_FQDN, cups_dnssd_resolve_cb,
3349 &resolve)) == NULL)
3350 {
cb7f98ee 3351 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to resolve printer URI."), 1);
dcb445bc
MS		 3352
3353 if (cb)
3354 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR,
3355 dest);
3356
3357 return (NULL);
3358 }
3359
3360 /*
3361 * Save the resolved URI...
3362 */
3363
3364 dest->num_options = cupsAddOption("printer-uri-supported", uri,
3365 dest->num_options, &dest->options);
3366
3367 return (cupsGetOption("printer-uri-supported", dest->num_options,
3368 dest->options));
3369}
3370
3371
3372/*
3373 * 'cups_dnssd_resolve_cb()' - See if we should continue resolving.
3374 */
3375
3376static int /* O - 1 to continue, 0 to stop */
3377cups_dnssd_resolve_cb(void *context) /* I - Resolve data */
3378{
3379 _cups_dnssd_resolve_t *resolve = (_cups_dnssd_resolve_t *)context;
3380 /* Resolve data */
3381 struct timeval curtime; /* Current time */
3382
3383
3384 /*
3385 * If the cancel variable is set, return immediately.
3386 */
3387
3388 if (*resolve->cancel)
3389 return (0);
3390
3391 /*
3392 * Otherwise check the end time...
3393 */
3394
3395 gettimeofday(&curtime, NULL);
3396
3397 return (curtime.tv_sec > resolve->end_time.tv_sec ||
3398 (curtime.tv_sec == resolve->end_time.tv_sec &&
3399 curtime.tv_usec > resolve->end_time.tv_usec));
3400}
3401
3402
3403/*
3404 * 'cups_dnssd_unquote()' - Unquote a name string.
3405 */
3406
3407static void
3408cups_dnssd_unquote(char *dst, /* I - Destination buffer */
3409 const char *src, /* I - Source string */
3410 size_t dstsize) /* I - Size of destination buffer */
3411{
3412 char *dstend = dst + dstsize - 1; /* End of destination buffer */
3413
3414
3415 while (*src && dst < dstend)
3416 {
3417 if (*src == '\\')
3418 {
3419 src ++;
3420 if (isdigit(src[0] & 255) && isdigit(src[1] & 255) &&
3421 isdigit(src[2] & 255))
3422 {
3423 *dst++ = ((((src[0] - '0') * 10) + src[1] - '0') * 10) + src[2] - '0';
3424 src += 3;
3425 }
3426 else
3427 *dst++ = *src++;
3428 }
3429 else
3430 *dst++ = *src ++;
3431 }
3432
3433 *dst = '\0';
3434}
3435#endif /* HAVE_DNSSD */
3436
3437
426c6a59
MS		 3438/*
3439 * 'cups_find_dest()' - Find a destination using a binary search.
3440 */
3441
3442static int /* O - Index of match */
3443cups_find_dest(const char *name, /* I - Destination name */
3444 const char *instance, /* I - Instance or NULL */
3445 int num_dests, /* I - Number of destinations */
3446 cups_dest_t *dests, /* I - Destinations */
3447 int prev, /* I - Previous index */
3448 int *rdiff) /* O - Difference of match */
3449{
3450 int left, /* Low mark for binary search */
3451 right, /* High mark for binary search */
3452 current, /* Current index */
3453 diff; /* Result of comparison */
3454 cups_dest_t key; /* Search key */
3455
3456
3457 key.name = (char *)name;
3458 key.instance = (char *)instance;
3459
3460 if (prev >= 0)
3461 {
3462 /*
3463 * Start search on either side of previous...
3464 */
3465
3466 if ((diff = cups_compare_dests(&key, dests + prev)) == 0 ||
3467 (diff < 0 && prev == 0) ||
3468 (diff > 0 && prev == (num_dests - 1)))
3469 {
3470 *rdiff = diff;
3471 return (prev);
3472 }
3473 else if (diff < 0)
3474 {
3475 /*
3476 * Start with previous on right side...
3477 */
3478
3479 left = 0;
3480 right = prev;
3481 }
3482 else
3483 {
3484 /*
3485 * Start wih previous on left side...
3486 */
3487
3488 left = prev;
3489 right = num_dests - 1;
3490 }
3491 }
3492 else
3493 {
3494 /*
3495 * Start search in the middle...
3496 */
3497
3498 left = 0;
3499 right = num_dests - 1;
3500 }
3501
3502 do
3503 {
3504 current = (left + right) / 2;
3505 diff = cups_compare_dests(&key, dests + current);
3506
3507 if (diff == 0)
3508 break;
3509 else if (diff < 0)
3510 right = current;
3511 else
3512 left = current;
3513 }
3514 while ((right - left) > 1);
3515
3516 if (diff != 0)
3517 {
3518 /*
3519 * Check the last 1 or 2 elements...
3520 */
3521
3522 if ((diff = cups_compare_dests(&key, dests + left)) <= 0)
3523 current = left;
3524 else
3525 {
3526 diff = cups_compare_dests(&key, dests + right);
3527 current = right;
3528 }
3529 }
3530
3531 /*
3532 * Return the closest destination and the difference...
3533 */
3534
3535 *rdiff = diff;
3536
3537 return (current);
3538}
3539
3540
a4924f6c
MS		 3541/*
3542 * 'cups_get_default()' - Get the default destination from an lpoptions file.
3543 */
3544
080811b1 3545static char * /* O - Default destination or NULL */
a4924f6c
MS		 3546cups_get_default(const char *filename, /* I - File to read */
3547 char *namebuf, /* I - Name buffer */
3548 size_t namesize, /* I - Size of name buffer */
3549 const char **instance) /* I - Instance */
3550{
3551 cups_file_t *fp; /* lpoptions file */
3552 char line[8192], /* Line from file */
3553 *value, /* Value for line */
3554 *nameptr; /* Pointer into name */
88f9aafc 3555 int linenum; /* Current line */
a4924f6c
MS		 3556
3557
3558 *namebuf = '\0';
3559
3560 if ((fp = cupsFileOpen(filename, "r")) != NULL)
3561 {
3562 linenum = 0;
3563
3564 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
3565 {
88f9aafc 3566 if (!_cups_strcasecmp(line, "default") && value)
a4924f6c
MS		 3567 {
3568 strlcpy(namebuf, value, namesize);
3569
3570 if ((nameptr = strchr(namebuf, ' ')) != NULL)
3571 *nameptr = '\0';
3572 if ((nameptr = strchr(namebuf, '\t')) != NULL)
3573 *nameptr = '\0';
3574
3575 if ((nameptr = strchr(namebuf, '/')) != NULL)
3576 *nameptr++ = '\0';
3577
3578 *instance = nameptr;
3579 break;
3580 }
3581 }
3582
3583 cupsFileClose(fp);
3584 }
3585
3586 return (*namebuf ? namebuf : NULL);
3587}
3588
3589
ef416fc2 3590/*
3591 * 'cups_get_dests()' - Get destinations from a file.
3592 */
3593
3594static int /* O - Number of destinations */
38e73f87
MS		 3595cups_get_dests(
3596 const char *filename, /* I - File to read from */
3597 const char *match_name, /* I - Destination name we want */
3598 const char *match_inst, /* I - Instance name we want */
3599 int user_default_set, /* I - User default printer set? */
3600 int num_dests, /* I - Number of destinations */
3601 cups_dest_t **dests) /* IO - Destinations */
ef416fc2 3602{
3603 int i; /* Looping var */
3604 cups_dest_t *dest; /* Current destination */
a4924f6c 3605 cups_file_t *fp; /* File pointer */
ef416fc2 3606 char line[8192], /* Line from file */
3607 *lineptr, /* Pointer into line */
3608 *name, /* Name of destination/option */
3609 *instance; /* Instance of destination */
a4924f6c 3610 int linenum; /* Current line number */
ef416fc2 3611
3612
e07d4801 3613 DEBUG_printf(("7cups_get_dests(filename=\"%s\", match_name=\"%s\", "
38e73f87 3614 "match_inst=\"%s\", user_default_set=%d, num_dests=%d, "
e07d4801 3615 "dests=%p)", filename, match_name, match_inst,
38e73f87 3616 user_default_set, num_dests, dests));
a4924f6c
MS		 3617
3618 /*
3619 * Try to open the file...
3620 */
3621
3622 if ((fp = cupsFileOpen(filename, "r")) == NULL)
3623 return (num_dests);
3624
ef416fc2 3625 /*
3626 * Read each printer; each line looks like:
3627 *
3628 * Dest name[/instance] options
3629 * Default name[/instance] options
3630 */
3631
a4924f6c
MS		 3632 linenum = 0;
3633
3634 while (cupsFileGetConf(fp, line, sizeof(line), &lineptr, &linenum))
ef416fc2 3635 {
3636 /*
3637 * See what type of line it is...
3638 */
3639
e07d4801 3640 DEBUG_printf(("9cups_get_dests: linenum=%d line=\"%s\" lineptr=\"%s\"",
38e73f87 3641 linenum, line, lineptr));
ef416fc2 3642
88f9aafc 3643 if ((_cups_strcasecmp(line, "dest") && _cups_strcasecmp(line, "default")) || !lineptr)
a4924f6c 3644 {
e07d4801 3645 DEBUG_puts("9cups_get_dests: Not a dest or default line...");
ef416fc2 3646 continue;
a4924f6c 3647 }
ef416fc2 3648
3649 name = lineptr;
3650
3651 /*
3652 * Search for an instance...
3653 */
3654
3655 while (!isspace(*lineptr & 255) && *lineptr && *lineptr != '/')
3656 lineptr ++;
3657
ef416fc2 3658 if (*lineptr == '/')
3659 {
3660 /*
3661 * Found an instance...
3662 */
3663
3664 *lineptr++ = '\0';
3665 instance = lineptr;
3666
3667 /*
3668 * Search for an instance...
3669 */
3670
3671 while (!isspace(*lineptr & 255) && *lineptr)
3672 lineptr ++;
3673 }
3674 else
3675 instance = NULL;
3676
a4924f6c
MS		 3677 if (*lineptr)
3678 *lineptr++ = '\0';
3679
e07d4801 3680 DEBUG_printf(("9cups_get_dests: name=\"%s\", instance=\"%s\"", name,
a4924f6c 3681 instance));
ef416fc2 3682
3683 /*
3684 * See if the primary instance of the destination exists; if not,
3685 * ignore this entry and move on...
3686 */
3687
a4924f6c
MS		 3688 if (match_name)
3689 {
88f9aafc 3690 if (_cups_strcasecmp(name, match_name) ||
a4924f6c
MS		 3691 (!instance && match_inst) ||
3692 (instance && !match_inst) ||
88f9aafc 3693 (instance && _cups_strcasecmp(instance, match_inst)))
a4924f6c 3694 continue;
ef416fc2 3695
a4924f6c
MS		 3696 dest = *dests;
3697 }
3698 else if (cupsGetDest(name, NULL, num_dests, *dests) == NULL)
3699 {
e07d4801 3700 DEBUG_puts("9cups_get_dests: Not found!");
a4924f6c
MS		 3701 continue;
3702 }
3703 else
ef416fc2 3704 {
3705 /*
a4924f6c 3706 * Add the destination...
ef416fc2 3707 */
3708
a4924f6c
MS		 3709 num_dests = cupsAddDest(name, instance, num_dests, dests);
3710
3711 if ((dest = cupsGetDest(name, instance, num_dests, *dests)) == NULL)
3712 {
3713 /*
3714 * Out of memory!
3715 */
3716
e07d4801 3717 DEBUG_puts("9cups_get_dests: Out of memory!");
a4924f6c
MS		 3718 break;
3719 }
ef416fc2 3720 }
3721
3722 /*
3723 * Add options until we hit the end of the line...
3724 */
3725
3726 dest->num_options = cupsParseOptions(lineptr, dest->num_options,
3727 &(dest->options));
3728
a4924f6c
MS		 3729 /*
3730 * If we found what we were looking for, stop now...
3731 */
3732
3733 if (match_name)
3734 break;
3735
ef416fc2 3736 /*
3737 * Set this as default if needed...
3738 */
3739
88f9aafc 3740 if (!user_default_set && !_cups_strcasecmp(line, "default"))
ef416fc2 3741 {
e07d4801 3742 DEBUG_puts("9cups_get_dests: Setting as default...");
a4924f6c 3743
ef416fc2 3744 for (i = 0; i < num_dests; i ++)
3745 (*dests)[i].is_default = 0;
3746
3747 dest->is_default = 1;
3748 }
3749 }
3750
3751 /*
3752 * Close the file and return...
3753 */
3754
88f9aafc 3755 cupsFileClose(fp);
ef416fc2 3756
3757 return (num_dests);
3758}
3759
3760
426c6a59
MS		 3761/*
3762 * 'cups_make_string()' - Make a comma-separated string of values from an IPP
3763 * attribute.
3764 */
3765
3766static char * /* O - New string */
3767cups_make_string(
3768 ipp_attribute_t *attr, /* I - Attribute to convert */
3769 char *buffer, /* I - Buffer */
3770 size_t bufsize) /* I - Size of buffer */
3771{
3772 int i; /* Looping var */
3773 char *ptr, /* Pointer into buffer */
3774 *end, /* Pointer to end of buffer */
3775 *valptr; /* Pointer into string attribute */
3776
3777
3778 /*
3779 * Return quickly if we have a single string value...
3780 */
3781
3782 if (attr->num_values == 1 &&
3783 attr->value_tag != IPP_TAG_INTEGER &&
3784 attr->value_tag != IPP_TAG_ENUM &&
3785 attr->value_tag != IPP_TAG_BOOLEAN &&
3786 attr->value_tag != IPP_TAG_RANGE)
3787 return (attr->values[0].string.text);
3788
3789 /*
3790 * Copy the values to the string, separating with commas and escaping strings
3791 * as needed...
3792 */
3793
3794 end = buffer + bufsize - 1;
3795
3796 for (i = 0, ptr = buffer; i < attr->num_values && ptr < end; i ++)
3797 {
3798 if (i)
3799 *ptr++ = ',';
3800
3801 switch (attr->value_tag)
3802 {
3803 case IPP_TAG_INTEGER :
3804 case IPP_TAG_ENUM :
07623986 3805 snprintf(ptr, (size_t)(end - ptr + 1), "%d", attr->values[i].integer);
426c6a59
MS		 3806 break;
3807
3808 case IPP_TAG_BOOLEAN :
3809 if (attr->values[i].boolean)
07623986 3810 strlcpy(ptr, "true", (size_t)(end - ptr + 1));
426c6a59 3811 else
07623986 3812 strlcpy(ptr, "false", (size_t)(end - ptr + 1));
426c6a59
MS		 3813 break;
3814
3815 case IPP_TAG_RANGE :
3816 if (attr->values[i].range.lower == attr->values[i].range.upper)
07623986 3817 snprintf(ptr, (size_t)(end - ptr + 1), "%d", attr->values[i].range.lower);
426c6a59 3818 else
07623986 3819 snprintf(ptr, (size_t)(end - ptr + 1), "%d-%d", attr->values[i].range.lower, attr->values[i].range.upper);
426c6a59
MS		 3820 break;
3821
3822 default :
3823 for (valptr = attr->values[i].string.text;
3824 *valptr && ptr < end;)
3825 {
3826 if (strchr(" \t\n\\\'\"", *valptr))
3827 {
3828 if (ptr >= (end - 1))
3829 break;
3830
3831 *ptr++ = '\\';
3832 }
3833
3834 *ptr++ = *valptr++;
3835 }
3836
3837 *ptr = '\0';
3838 break;
3839 }
3840
3841 ptr += strlen(ptr);
3842 }
3843
3844 *ptr = '\0';
3845
3846 return (buffer);
3847}
3848
3849
ef416fc2 3850/*
f2d18633 3851 * End of "$Id$".
ef416fc2 3852 */
Unnamed repository; edit this file 'description' to name the repository.