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