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Add CUPS_DEST_FLAGS_DEVICE flag for cupsConnectDest.
[thirdparty/cups.git] / cups / dest.c
CommitLineData
ef416fc2 1/*
7e86f2f6 2 * User-defined destination (and option) support for CUPS.
ef416fc2 3 *
7536de1a 4 * Copyright 2007-2017 by Apple Inc.
7e86f2f6 5 * Copyright 1997-2007 by Easy Software Products.
ef416fc2 6 *
7e86f2f6
MS		 7 * These coded instructions, statements, and computer programs are the
8 * property of Apple Inc. and are protected by Federal copyright
9 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
10 * which should have been included with this file. If this file is
57b7b66b 11 * missing or damaged, see the license at "http://www.cups.org/".
ef416fc2 12 *
7e86f2f6 13 * This file is subject to the Apple OS-Developed Software exception.
ef416fc2 14 */
15
16/*
17 * Include necessary headers...
18 */
19
71e16022 20#include "cups-private.h"
b423cd4c 21#include <sys/stat.h>
ef416fc2 22
fa73b229 23#ifdef HAVE_NOTIFY_H
24# include <notify.h>
25#endif /* HAVE_NOTIFY_H */
26
dcb445bc
MS		 27#ifdef HAVE_POLL
28# include <poll.h>
29#endif /* HAVE_POLL */
30
31#ifdef HAVE_DNSSD
32# include <dns_sd.h>
33#endif /* HAVE_DNSSD */
34
a29fd7dd
MS		 35#ifdef HAVE_AVAHI
36# include <avahi-client/client.h>
37# include <avahi-client/lookup.h>
38# include <avahi-common/simple-watch.h>
39# include <avahi-common/domain.h>
40# include <avahi-common/error.h>
41# include <avahi-common/malloc.h>
42#define kDNSServiceMaxDomainName AVAHI_DOMAIN_NAME_MAX
43#endif /* HAVE_AVAHI */
44
dcb445bc
MS		 45
46/*
47 * Constants...
48 */
49
080811b1 50#ifdef __APPLE__
9688061e
MS		 51# if !TARGET_OS_IOS
52# include <SystemConfiguration/SystemConfiguration.h>
53# define _CUPS_LOCATION_DEFAULTS 1
54# endif /* !TARGET_OS_IOS */
f14324a7
MS		 55# define kCUPSPrintingPrefs CFSTR("org.cups.PrintingPrefs")
56# define kDefaultPaperIDKey CFSTR("DefaultPaperID")
57# define kLastUsedPrintersKey CFSTR("LastUsedPrinters")
58# define kLocationNetworkKey CFSTR("Network")
59# define kLocationPrinterIDKey CFSTR("PrinterID")
60# define kUseLastPrinter CFSTR("UseLastPrinter")
080811b1
MS		 61#endif /* __APPLE__ */
62
3fae3b33
MS		 63#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
64# define _CUPS_DNSSD_MAXTIME 500 /* Milliseconds for maximum quantum of time */
65#endif /* HAVE_DNSSD || HAVE_AVAHI */
66
ef416fc2 67
dcb445bc
MS		 68/*
69 * Types...
70 */
71
a29fd7dd 72#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
dcb445bc
MS		 73typedef enum _cups_dnssd_state_e /* Enumerated device state */
74{
75 _CUPS_DNSSD_NEW,
76 _CUPS_DNSSD_QUERY,
77 _CUPS_DNSSD_PENDING,
78 _CUPS_DNSSD_ACTIVE,
79 _CUPS_DNSSD_LOCAL,
a29fd7dd 80 _CUPS_DNSSD_INCOMPATIBLE,
dcb445bc
MS		 81 _CUPS_DNSSD_ERROR
82} _cups_dnssd_state_t;
83
84typedef struct _cups_dnssd_data_s /* Enumeration data */
85{
a29fd7dd 86# ifdef HAVE_DNSSD
dcb445bc 87 DNSServiceRef main_ref; /* Main service reference */
a29fd7dd
MS		 88# else /* HAVE_AVAHI */
89 AvahiSimplePoll *simple_poll; /* Polling interface */
90 AvahiClient *client; /* Client information */
91 int got_data; /* Did we get data? */
657c5b5f 92 int browsers; /* How many browsers are running? */
a29fd7dd 93# endif /* HAVE_DNSSD */
dcb445bc
MS		 94 cups_dest_cb_t cb; /* Callback */
95 void *user_data; /* User data pointer */
96 cups_ptype_t type, /* Printer type filter */
97 mask; /* Printer type mask */
98 cups_array_t *devices; /* Devices found so far */
99} _cups_dnssd_data_t;
100
101typedef struct _cups_dnssd_device_s /* Enumerated device */
102{
103 _cups_dnssd_state_t state; /* State of device listing */
a29fd7dd 104# ifdef HAVE_DNSSD
dcb445bc 105 DNSServiceRef ref; /* Service reference for query */
a29fd7dd
MS		 106# else /* HAVE_AVAHI */
107 AvahiRecordBrowser *ref; /* Browser for query */
108# endif /* HAVE_DNSSD */
a2187a63 109 char *fullName, /* Full name */
a2187a63
MS		 110 *regtype, /* Registration type */
111 *domain; /* Domain name */
dcb445bc
MS		 112 cups_ptype_t type; /* Device registration type */
113 cups_dest_t dest; /* Destination record */
114} _cups_dnssd_device_t;
115
116typedef struct _cups_dnssd_resolve_s /* Data for resolving URI */
117{
118 int *cancel; /* Pointer to "cancel" variable */
119 struct timeval end_time; /* Ending time */
120} _cups_dnssd_resolve_t;
121#endif /* HAVE_DNSSD */
122
7536de1a
MS		 123typedef struct _cups_getdata_s
124{
125 int num_dests; /* Number of destinations */
126 cups_dest_t *dests; /* Destinations */
127} _cups_getdata_t;
128
4a366251
MS		 129typedef struct _cups_namedata_s
130{
131 const char *name; /* Named destination */
132 cups_dest_t *dest; /* Destination */
133} _cups_namedata_t;
134
7536de1a 135
ef416fc2 136/*
137 * Local functions...
138 */
139
9688061e 140#if _CUPS_LOCATION_DEFAULTS
9c80ffa2
MS		 141static CFArrayRef appleCopyLocations(void);
142static CFStringRef appleCopyNetwork(void);
9688061e
MS		 143#endif /* _CUPS_LOCATION_DEFAULTS */
144#ifdef __APPLE__
d649be59 145static char *appleGetPaperSize(char *name, size_t namesize);
9688061e
MS		 146#endif /* __APPLE__ */
147#if _CUPS_LOCATION_DEFAULTS
a29fd7dd
MS		 148static CFStringRef appleGetPrinter(CFArrayRef locations,
149 CFStringRef network, CFIndex *locindex);
9688061e 150#endif /* _CUPS_LOCATION_DEFAULTS */
9c80ffa2
MS		 151static cups_dest_t *cups_add_dest(const char *name, const char *instance,
152 int *num_dests, cups_dest_t **dests);
153#ifdef __BLOCKS__
dcb445bc
MS		 154static int cups_block_cb(cups_dest_block_t block, unsigned flags,
155 cups_dest_t *dest);
9c80ffa2
MS		 156#endif /* __BLOCKS__ */
157static int cups_compare_dests(cups_dest_t *a, cups_dest_t *b);
a29fd7dd
MS		 158#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
159# ifdef HAVE_DNSSD
dcb445bc
MS		 160static void cups_dnssd_browse_cb(DNSServiceRef sdRef,
161 DNSServiceFlags flags,
162 uint32_t interfaceIndex,
163 DNSServiceErrorType errorCode,
164 const char *serviceName,
165 const char *regtype,
166 const char *replyDomain,
167 void *context);
a29fd7dd
MS		 168# else /* HAVE_AVAHI */
169static void cups_dnssd_browse_cb(AvahiServiceBrowser *browser,
170 AvahiIfIndex interface,
171 AvahiProtocol protocol,
172 AvahiBrowserEvent event,
173 const char *serviceName,
174 const char *regtype,
175 const char *replyDomain,
176 AvahiLookupResultFlags flags,
177 void *context);
178static void cups_dnssd_client_cb(AvahiClient *client,
179 AvahiClientState state,
180 void *context);
181# endif /* HAVE_DNSSD */
dcb445bc
MS		 182static int cups_dnssd_compare_devices(_cups_dnssd_device_t *a,
183 _cups_dnssd_device_t *b);
184static void cups_dnssd_free_device(_cups_dnssd_device_t *device,
185 _cups_dnssd_data_t *data);
186static _cups_dnssd_device_t *
187 cups_dnssd_get_device(_cups_dnssd_data_t *data,
188 const char *serviceName,
189 const char *regtype,
190 const char *replyDomain);
a29fd7dd 191# ifdef HAVE_DNSSD
dcb445bc
MS		 192static void cups_dnssd_local_cb(DNSServiceRef sdRef,
193 DNSServiceFlags flags,
194 uint32_t interfaceIndex,
195 DNSServiceErrorType errorCode,
196 const char *serviceName,
197 const char *regtype,
198 const char *replyDomain,
199 void *context);
200static void cups_dnssd_query_cb(DNSServiceRef sdRef,
201 DNSServiceFlags flags,
202 uint32_t interfaceIndex,
203 DNSServiceErrorType errorCode,
204 const char *fullName,
205 uint16_t rrtype, uint16_t rrclass,
206 uint16_t rdlen, const void *rdata,
207 uint32_t ttl, void *context);
a29fd7dd
MS		 208# else /* HAVE_AVAHI */
209static int cups_dnssd_poll_cb(struct pollfd *pollfds,
210 unsigned int num_pollfds,
211 int timeout, void *context);
212static void cups_dnssd_query_cb(AvahiRecordBrowser *browser,
213 AvahiIfIndex interface,
214 AvahiProtocol protocol,
215 AvahiBrowserEvent event,
216 const char *name, uint16_t rrclass,
217 uint16_t rrtype, const void *rdata,
218 size_t rdlen,
219 AvahiLookupResultFlags flags,
220 void *context);
221# endif /* HAVE_DNSSD */
dcb445bc
MS		 222static const char *cups_dnssd_resolve(cups_dest_t *dest, const char *uri,
223 int msec, int *cancel,
224 cups_dest_cb_t cb, void *user_data);
225static int cups_dnssd_resolve_cb(void *context);
226static void cups_dnssd_unquote(char *dst, const char *src,
227 size_t dstsize);
3fae3b33 228static int cups_elapsed(struct timeval *t);
f34c1c99 229#endif /* HAVE_DNSSD || HAVE_AVAHI */
9c80ffa2
MS		 230static int cups_find_dest(const char *name, const char *instance,
231 int num_dests, cups_dest_t *dests, int prev,
232 int *rdiff);
7536de1a 233static int cups_get_cb(_cups_getdata_t *data, unsigned flags, cups_dest_t *dest);
9c80ffa2
MS		 234static char *cups_get_default(const char *filename, char *namebuf,
235 size_t namesize, const char **instance);
236static int cups_get_dests(const char *filename, const char *match_name,
237 const char *match_inst, int user_default_set,
238 int num_dests, cups_dest_t **dests);
239static char *cups_make_string(ipp_attribute_t *attr, char *buffer,
240 size_t bufsize);
4a366251 241static int cups_name_cb(_cups_namedata_t *data, unsigned flags, cups_dest_t *dest);
efa72f61 242static void cups_queue_name(char *name, const char *serviceName, size_t namesize);
ef416fc2 243
244
245/*
246 * 'cupsAddDest()' - Add a destination to the list of destinations.
247 *
2abf387c 248 * This function cannot be used to add a new class or printer queue,
249 * it only adds a new container of saved options for the named
250 * destination or instance.
251 *
252 * If the named destination already exists, the destination list is
253 * returned unchanged. Adding a new instance of a destination creates
254 * a copy of that destination's options.
255 *
5a738aea 256 * Use the @link cupsSaveDests@ function to save the updated list of
2abf387c 257 * destinations to the user's lpoptions file.
ef416fc2 258 */
259
260int /* O - New number of destinations */
2abf387c 261cupsAddDest(const char *name, /* I - Destination name */
5a738aea 262 const char *instance, /* I - Instance name or @code NULL@ for none/primary */
ef416fc2 263 int num_dests, /* I - Number of destinations */
264 cups_dest_t **dests) /* IO - Destinations */
265{
266 int i; /* Looping var */
267 cups_dest_t *dest; /* Destination pointer */
bf3816c7 268 cups_dest_t *parent = NULL; /* Parent destination */
426c6a59
MS		 269 cups_option_t *doption, /* Current destination option */
270 *poption; /* Current parent option */
ef416fc2 271
272
2abf387c 273 if (!name || !dests)
ef416fc2 274 return (0);
275
426c6a59
MS		 276 if (!cupsGetDest(name, instance, num_dests, *dests))
277 {
41681883 278 if (instance && !cupsGetDest(name, NULL, num_dests, *dests))
426c6a59 279 return (num_dests);
ef416fc2 280
5a9febac
MS		 281 if ((dest = cups_add_dest(name, instance, &num_dests, dests)) == NULL)
282 return (num_dests);
2abf387c 283
5a662dc0
MS		 284 /*
285 * Find the base dest again now the array has been realloc'd.
286 */
287
288 parent = cupsGetDest(name, NULL, num_dests, *dests);
289
426c6a59
MS		 290 if (instance && parent && parent->num_options > 0)
291 {
292 /*
293 * Copy options from parent...
294 */
ef416fc2 295
7e86f2f6 296 dest->options = calloc(sizeof(cups_option_t), (size_t)parent->num_options);
2abf387c 297
426c6a59
MS		 298 if (dest->options)
299 {
300 dest->num_options = parent->num_options;
ef416fc2 301
426c6a59
MS		 302 for (i = dest->num_options, doption = dest->options,
303 poption = parent->options;
304 i > 0;
305 i --, doption ++, poption ++)
306 {
307 doption->name = _cupsStrRetain(poption->name);
308 doption->value = _cupsStrRetain(poption->value);
309 }
310 }
2abf387c 311 }
312 }
313
426c6a59 314 return (num_dests);
ef416fc2 315}
316
317
c8fef167
MS		 318#ifdef __APPLE__
319/*
320 * '_cupsAppleCopyDefaultPaperID()' - Get the default paper ID.
321 */
322
323CFStringRef /* O - Default paper ID */
324_cupsAppleCopyDefaultPaperID(void)
325{
f14324a7
MS		 326 return (CFPreferencesCopyAppValue(kDefaultPaperIDKey,
327 kCUPSPrintingPrefs));
328}
329
330
331/*
332 * '_cupsAppleCopyDefaultPrinter()' - Get the default printer at this location.
333 */
334
335CFStringRef /* O - Default printer name */
336_cupsAppleCopyDefaultPrinter(void)
337{
9688061e 338# if _CUPS_LOCATION_DEFAULTS
f14324a7
MS		 339 CFStringRef network; /* Network location */
340 CFArrayRef locations; /* Location array */
341 CFStringRef locprinter; /* Current printer */
c8fef167
MS		 342
343
f14324a7
MS		 344 /*
345 * Use location-based defaults only if "use last printer" is selected in the
346 * system preferences...
347 */
c8fef167 348
f14324a7
MS		 349 if (!_cupsAppleGetUseLastPrinter())
350 {
351 DEBUG_puts("1_cupsAppleCopyDefaultPrinter: Not using last printer as "
352 "default.");
353 return (NULL);
354 }
c8fef167 355
f14324a7
MS		 356 /*
357 * Get the current location...
358 */
359
360 if ((network = appleCopyNetwork()) == NULL)
361 {
362 DEBUG_puts("1_cupsAppleCopyDefaultPrinter: Unable to get current "
363 "network.");
364 return (NULL);
365 }
366
f14324a7
MS		 367 /*
368 * Lookup the network in the preferences...
369 */
370
371 if ((locations = appleCopyLocations()) == NULL)
372 {
373 /*
374 * Missing or bad location array, so no location-based default...
375 */
376
377 DEBUG_puts("1_cupsAppleCopyDefaultPrinter: Missing or bad last used "
378 "printer array.");
379
380 CFRelease(network);
381
382 return (NULL);
383 }
88f9aafc 384
f14324a7
MS		 385 DEBUG_printf(("1_cupsAppleCopyDefaultPrinter: Got locations, %d entries.",
386 (int)CFArrayGetCount(locations)));
387
388 if ((locprinter = appleGetPrinter(locations, network, NULL)) != NULL)
389 CFRetain(locprinter);
390
391 CFRelease(network);
392 CFRelease(locations);
393
394 return (locprinter);
9688061e
MS		 395
396# else
397 return (NULL);
398# endif /* _CUPS_LOCATION_DEFAULTS */
c8fef167
MS		 399}
400
401
402/*
403 * '_cupsAppleGetUseLastPrinter()' - Get whether to use the last used printer.
404 */
405
406int /* O - 1 to use last printer, 0 otherwise */
407_cupsAppleGetUseLastPrinter(void)
408{
409 Boolean uselast, /* Use last printer preference value */
410 uselast_set; /* Valid is set? */
411
412
413 if (getenv("CUPS_DISABLE_APPLE_DEFAULT"))
414 return (0);
415
f14324a7
MS		 416 uselast = CFPreferencesGetAppBooleanValue(kUseLastPrinter,
417 kCUPSPrintingPrefs,
c8fef167 418 &uselast_set);
c8fef167
MS		 419 if (!uselast_set)
420 return (1);
421 else
422 return (uselast);
423}
424
425
426/*
427 * '_cupsAppleSetDefaultPaperID()' - Set the default paper id.
428 */
429
430void
431_cupsAppleSetDefaultPaperID(
432 CFStringRef name) /* I - New paper ID */
433{
f14324a7
MS		 434 CFPreferencesSetAppValue(kDefaultPaperIDKey, name, kCUPSPrintingPrefs);
435 CFPreferencesAppSynchronize(kCUPSPrintingPrefs);
684d1464
MS		 436
437# ifdef HAVE_NOTIFY_POST
f14324a7 438 notify_post("com.apple.printerPrefsChange");
684d1464 439# endif /* HAVE_NOTIFY_POST */
f14324a7
MS		 440}
441
442
443/*
444 * '_cupsAppleSetDefaultPrinter()' - Set the default printer for this location.
445 */
446
447void
448_cupsAppleSetDefaultPrinter(
449 CFStringRef name) /* I - Default printer/class name */
450{
9688061e 451# if _CUPS_LOCATION_DEFAULTS
f14324a7
MS		 452 CFStringRef network; /* Current network */
453 CFArrayRef locations; /* Old locations array */
454 CFIndex locindex; /* Index in locations array */
455 CFStringRef locprinter; /* Current printer */
456 CFMutableArrayRef newlocations; /* New locations array */
457 CFMutableDictionaryRef newlocation; /* New location */
458
459
460 /*
461 * Get the current location...
462 */
463
464 if ((network = appleCopyNetwork()) == NULL)
465 {
466 DEBUG_puts("1_cupsAppleSetDefaultPrinter: Unable to get current network...");
467 return;
468 }
469
470 /*
471 * Lookup the network in the preferences...
472 */
473
474 if ((locations = appleCopyLocations()) != NULL)
475 locprinter = appleGetPrinter(locations, network, &locindex);
476 else
477 {
478 locprinter = NULL;
479 locindex = -1;
480 }
481
482 if (!locprinter || CFStringCompare(locprinter, name, 0) != kCFCompareEqualTo)
483 {
484 /*
485 * Need to change the locations array...
486 */
487
488 if (locations)
489 {
490 newlocations = CFArrayCreateMutableCopy(kCFAllocatorDefault, 0,
491 locations);
492
493 if (locprinter)
494 CFArrayRemoveValueAtIndex(newlocations, locindex);
495 }
496 else
497 newlocations = CFArrayCreateMutable(kCFAllocatorDefault, 0,
498 &kCFTypeArrayCallBacks);
499
500 newlocation = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
501 &kCFTypeDictionaryKeyCallBacks,
502 &kCFTypeDictionaryValueCallBacks);
503
504 if (newlocation && newlocations)
505 {
506 /*
507 * Put the new location at the front of the array...
508 */
509
510 CFDictionaryAddValue(newlocation, kLocationNetworkKey, network);
511 CFDictionaryAddValue(newlocation, kLocationPrinterIDKey, name);
512 CFArrayInsertValueAtIndex(newlocations, 0, newlocation);
513
514 /*
515 * Limit the number of locations to 10...
516 */
517
518 while (CFArrayGetCount(newlocations) > 10)
519 CFArrayRemoveValueAtIndex(newlocations, 10);
520
521 /*
522 * Push the changes out...
523 */
524
525 CFPreferencesSetAppValue(kLastUsedPrintersKey, newlocations,
526 kCUPSPrintingPrefs);
527 CFPreferencesAppSynchronize(kCUPSPrintingPrefs);
684d1464
MS		 528
529# ifdef HAVE_NOTIFY_POST
f14324a7 530 notify_post("com.apple.printerPrefsChange");
684d1464 531# endif /* HAVE_NOTIFY_POST */
f14324a7
MS		 532 }
533
534 if (newlocations)
535 CFRelease(newlocations);
536
537 if (newlocation)
538 CFRelease(newlocation);
539 }
540
541 if (locations)
542 CFRelease(locations);
543
544 CFRelease(network);
9688061e
MS		 545
546# else
547 (void)name;
548# endif /* _CUPS_LOCATION_DEFAULTS */
c8fef167
MS		 549}
550
551
552/*
553 * '_cupsAppleSetUseLastPrinter()' - Set whether to use the last used printer.
554 */
88f9aafc
MS		 555
556void
c8fef167
MS		 557_cupsAppleSetUseLastPrinter(
558 int uselast) /* O - 1 to use last printer, 0 otherwise */
559{
88f9aafc 560 CFPreferencesSetAppValue(kUseLastPrinter,
c8fef167 561 uselast ? kCFBooleanTrue : kCFBooleanFalse,
f14324a7
MS		 562 kCUPSPrintingPrefs);
563 CFPreferencesAppSynchronize(kCUPSPrintingPrefs);
684d1464
MS		 564
565# ifdef HAVE_NOTIFY_POST
f14324a7 566 notify_post("com.apple.printerPrefsChange");
684d1464 567# endif /* HAVE_NOTIFY_POST */
c8fef167
MS		 568}
569#endif /* __APPLE__ */
570
571
9c80ffa2 572/*
98d88c8d 573 * 'cupsConnectDest()' - Open a conection to the destination.
9c80ffa2 574 *
98d88c8d
MS		 575 * Connect to the destination, returning a new @code http_t@ connection object
576 * and optionally the resource path to use for the destination. These calls
577 * will block until a connection is made, the timeout expires, the integer
578 * pointed to by "cancel" is non-zero, or the callback function (or block)
579 * returns 0. The caller is responsible for calling @link httpClose@ on the
580 * returned connection.
dcb445bc 581 *
90c67342
MS		 582 * Starting with CUPS 2.2.4, the caller can pass @code CUPS_DEST_FLAGS_DEVICE@
583 * for the "flags" argument to connect directly to the device associated with
584 * the destination. Otherwise, the connection is made to the CUPS scheduler
585 * associated with the destination.
586 *
8072030b 587 * @since CUPS 1.6/macOS 10.8@
9c80ffa2
MS		 588 */
589
98d88c8d 590http_t * /* O - Connection to destination or @code NULL@ */
dcb445bc
MS		 591cupsConnectDest(
592 cups_dest_t *dest, /* I - Destination */
593 unsigned flags, /* I - Connection flags */
594 int msec, /* I - Timeout in milliseconds */
595 int *cancel, /* I - Pointer to "cancel" variable */
596 char *resource, /* I - Resource buffer */
597 size_t resourcesize, /* I - Size of resource buffer */
598 cups_dest_cb_t cb, /* I - Callback function */
599 void *user_data) /* I - User data pointer */
9c80ffa2 600{
dcb445bc
MS		 601 const char *uri; /* Printer URI */
602 char scheme[32], /* URI scheme */
603 userpass[256], /* Username and password (unused) */
604 hostname[256], /* Hostname */
605 tempresource[1024]; /* Temporary resource buffer */
606 int port; /* Port number */
607 char portstr[16]; /* Port number string */
12f89d24 608 http_encryption_t encryption; /* Encryption to use */
dcb445bc
MS		 609 http_addrlist_t *addrlist; /* Address list for server */
610 http_t *http; /* Connection to server */
611
612
807315e6 613 DEBUG_printf(("cupsConnectDest(dest=%p, flags=0x%x, msec=%d, cancel=%p(%d), resource=\"%s\", resourcesize=" CUPS_LLFMT ", cb=%p, user_data=%p)", (void *)dest, flags, msec, (void *)cancel, cancel ? *cancel : -1, resource, CUPS_LLCAST resourcesize, (void *)cb, user_data));
4db7fcee 614
dcb445bc
MS		 615 /*
616 * Range check input...
617 */
618
619 if (!dest)
620 {
621 if (resource)
622 *resource = '\0';
623
cb7f98ee 624 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
dcb445bc
MS		 625 return (NULL);
626 }
627
628 if (!resource || resourcesize < 1)
629 {
630 resource = tempresource;
631 resourcesize = sizeof(tempresource);
632 }
633
634 /*
635 * Grab the printer URI...
636 */
637
90c67342
MS		 638 if (flags & CUPS_DEST_FLAGS_DEVICE)
639 {
640 if ((uri = cupsGetOption("resolved-device-uri", dest->num_options, dest->options)) == NULL)
641 {
642 if ((uri = cupsGetOption("device-uri", dest->num_options, dest->options)) != NULL)
643 {
644#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
645 if (strstr(uri, "._tcp"))
646 uri = cups_dnssd_resolve(dest, uri, msec, cancel, cb, user_data);
647#endif /* HAVE_DNSSD || HAVE_AVAHI */
648 }
649 }
650 }
651 else if ((uri = cupsGetOption("printer-uri-supported", dest->num_options, dest->options)) == NULL)
dcb445bc 652 {
46385a1a
MS		 653 if ((uri = cupsGetOption("resolved-device-uri", dest->num_options, dest->options)) == NULL)
654 {
655 if ((uri = cupsGetOption("device-uri", dest->num_options, dest->options)) != NULL)
656 {
657#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
658 if (strstr(uri, "._tcp"))
659 uri = cups_dnssd_resolve(dest, uri, msec, cancel, cb, user_data);
46385a1a 660#endif /* HAVE_DNSSD || HAVE_AVAHI */
5558a2e2 661 }
46385a1a 662 }
dcb445bc 663
46385a1a
MS		 664 if (uri)
665 uri = _cupsCreateDest(dest->name, cupsGetOption("printer-info", dest->num_options, dest->options), NULL, uri, tempresource, sizeof(tempresource));
dcb445bc 666
46385a1a
MS		 667 if (uri)
668 {
669 dest->num_options = cupsAddOption("printer-uri-supported", uri, dest->num_options, &dest->options);
670
671 uri = cupsGetOption("printer-uri-supported", dest->num_options, dest->options);
672 }
dcb445bc
MS		 673 }
674
46385a1a 675 if (!uri)
dcb445bc 676 {
46385a1a
MS		 677 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(ENOENT), 0);
678
679 if (cb)
680 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR, dest);
681
682 return (NULL);
dcb445bc 683 }
dcb445bc
MS		 684
685 if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, sizeof(scheme),
686 userpass, sizeof(userpass), hostname, sizeof(hostname),
7e86f2f6 687 &port, resource, (int)resourcesize) < HTTP_URI_STATUS_OK)
dcb445bc 688 {
f5f2e19e 689 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad printer-uri."), 1);
dcb445bc
MS		 690
691 if (cb)
692 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR,
693 dest);
694
695 return (NULL);
696 }
697
698 /*
699 * Lookup the address for the server...
700 */
701
702 if (cb)
46385a1a 703 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_RESOLVING, dest);
dcb445bc
MS		 704
705 snprintf(portstr, sizeof(portstr), "%d", port);
706
707 if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portstr)) == NULL)
708 {
709 if (cb)
46385a1a 710 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR, dest);
dcb445bc
MS		 711
712 return (NULL);
713 }
714
715 if (cancel && *cancel)
716 {
717 httpAddrFreeList(addrlist);
718
719 if (cb)
46385a1a 720 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_CANCELED, dest);
dcb445bc
MS		 721
722 return (NULL);
723 }
724
725 /*
726 * Create the HTTP object pointing to the server referenced by the URI...
727 */
728
729 if (!strcmp(scheme, "ipps") || port == 443)
cb7f98ee 730 encryption = HTTP_ENCRYPTION_ALWAYS;
dcb445bc 731 else
cb7f98ee 732 encryption = HTTP_ENCRYPTION_IF_REQUESTED;
dcb445bc 733
46385a1a 734 http = httpConnect2(hostname, port, addrlist, AF_UNSPEC, encryption, 1, 0, NULL);
520fe1de 735 httpAddrFreeList(addrlist);
dcb445bc
MS		 736
737 /*
738 * Connect if requested...
739 */
740
741 if (flags & CUPS_DEST_FLAGS_UNCONNECTED)
742 {
743 if (cb)
744 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED, dest);
745 }
746 else
747 {
748 if (cb)
46385a1a 749 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_CONNECTING, dest);
dcb445bc
MS		 750
751 if (!httpReconnect2(http, msec, cancel) && cb)
752 {
753 if (cancel && *cancel)
46385a1a 754 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_CONNECTING, dest);
dcb445bc 755 else
46385a1a 756 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR, dest);
dcb445bc
MS		 757 }
758 else if (cb)
759 (*cb)(user_data, CUPS_DEST_FLAGS_NONE, dest);
760 }
761
762 return (http);
763}
764
765
766#ifdef __BLOCKS__
767/*
98d88c8d 768 * 'cupsConnectDestBlock()' - Open a connection to the destination.
dcb445bc 769 *
98d88c8d
MS		 770 * Connect to the destination, returning a new @code http_t@ connection object
771 * and optionally the resource path to use for the destination. These calls
772 * will block until a connection is made, the timeout expires, the integer
773 * pointed to by "cancel" is non-zero, or the block returns 0. The caller is
774 * responsible for calling @link httpClose@ on the returned connection.
dcb445bc 775 *
90c67342
MS		 776 * Starting with CUPS 2.2.4, the caller can pass @code CUPS_DEST_FLAGS_DEVICE@
777 * for the "flags" argument to connect directly to the device associated with
778 * the destination. Otherwise, the connection is made to the CUPS scheduler
779 * associated with the destination.
780 *
53af7f21 781 * @since CUPS 1.6/macOS 10.8@ @exclude all@
dcb445bc
MS		 782 */
783
98d88c8d 784http_t * /* O - Connection to destination or @code NULL@ */
dcb445bc
MS		 785cupsConnectDestBlock(
786 cups_dest_t *dest, /* I - Destination */
787 unsigned flags, /* I - Connection flags */
788 int msec, /* I - Timeout in milliseconds */
789 int *cancel, /* I - Pointer to "cancel" variable */
790 char *resource, /* I - Resource buffer */
791 size_t resourcesize, /* I - Size of resource buffer */
792 cups_dest_block_t block) /* I - Callback block */
793{
794 return (cupsConnectDest(dest, flags, msec, cancel, resource, resourcesize,
795 (cups_dest_cb_t)cups_block_cb, (void *)block));
796}
797#endif /* __BLOCKS__ */
798
799
800/*
801 * 'cupsCopyDest()' - Copy a destination.
802 *
803 * Make a copy of the destination to an array of destinations (or just a single
804 * copy) - for use with the cupsEnumDests* functions. The caller is responsible
805 * for calling cupsFreeDests() on the returned object(s).
806 *
8072030b 807 * @since CUPS 1.6/macOS 10.8@
dcb445bc
MS		 808 */
809
798d6e29
MS		 810int /* O - New number of destinations */
811cupsCopyDest(cups_dest_t *dest, /* I - Destination to copy */
812 int num_dests, /* I - Number of destinations */
813 cups_dest_t **dests) /* IO - Destination array */
dcb445bc
MS		 814{
815 int i; /* Looping var */
816 cups_dest_t *new_dest; /* New destination pointer */
817 cups_option_t *new_option, /* Current destination option */
818 *option; /* Current parent option */
819
820
821 /*
822 * Range check input...
823 */
824
825 if (!dest || num_dests < 0 || !dests)
826 return (num_dests);
827
828 /*
829 * See if the destination already exists...
830 */
831
832 if ((new_dest = cupsGetDest(dest->name, dest->instance, num_dests,
833 *dests)) != NULL)
834 {
835 /*
836 * Protect against copying destination to itself...
837 */
838
839 if (new_dest == dest)
840 return (num_dests);
841
842 /*
843 * Otherwise, free the options...
844 */
845
846 cupsFreeOptions(new_dest->num_options, new_dest->options);
847
848 new_dest->num_options = 0;
849 new_dest->options = NULL;
850 }
851 else
852 new_dest = cups_add_dest(dest->name, dest->instance, &num_dests, dests);
853
854 if (new_dest)
855 {
7e86f2f6 856 if ((new_dest->options = calloc(sizeof(cups_option_t), (size_t)dest->num_options)) == NULL)
dcb445bc
MS		 857 return (cupsRemoveDest(dest->name, dest->instance, num_dests, dests));
858
859 new_dest->num_options = dest->num_options;
860
861 for (i = dest->num_options, option = dest->options,
862 new_option = new_dest->options;
863 i > 0;
864 i --, option ++, new_option ++)
865 {
866 new_option->name = _cupsStrRetain(option->name);
867 new_option->value = _cupsStrRetain(option->value);
868 }
869 }
870
871 return (num_dests);
9c80ffa2
MS		 872}
873
874
7ae00c35
MS		 875/*
876 * '_cupsCreateDest()' - Create a local (temporary) queue.
877 */
878
879char * /* O - Printer URI or @code NULL@ on error */
880_cupsCreateDest(const char *name, /* I - Printer name */
881 const char *info, /* I - Printer description of @code NULL@ */
882 const char *device_id, /* I - 1284 Device ID or @code NULL@ */
883 const char *device_uri, /* I - Device URI */
884 char *uri, /* I - Printer URI buffer */
885 size_t urisize) /* I - Size of URI buffer */
886{
887 http_t *http; /* Connection to server */
888 ipp_t *request, /* CUPS-Create-Local-Printer request */
889 *response; /* CUPS-Create-Local-Printer response */
890 ipp_attribute_t *attr; /* printer-uri-supported attribute */
c585706d
MS		 891 ipp_pstate_t state = IPP_PSTATE_STOPPED;
892 /* printer-state value */
7ae00c35
MS		 893
894
7ae00c35
MS		 895 if (!name || !device_uri || !uri || urisize < 32)
896 return (NULL);
897
898 if ((http = httpConnect2(cupsServer(), ippPort(), NULL, AF_UNSPEC, HTTP_ENCRYPTION_IF_REQUESTED, 1, 30000, NULL)) == NULL)
899 return (NULL);
900
901 request = ippNewRequest(IPP_OP_CUPS_CREATE_LOCAL_PRINTER);
902
4db7fcee 903 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, "ipp://localhost/");
7ae00c35
MS		 904 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsUser());
905
906 ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_URI, "device-uri", NULL, device_uri);
907 ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_NAME, "printer-name", NULL, name);
908 if (info)
909 ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-info", NULL, info);
910 if (device_id)
911 ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-device-id", NULL, device_id);
912
913 response = cupsDoRequest(http, request, "/");
914
7ae00c35
MS		 915 if ((attr = ippFindAttribute(response, "printer-uri-supported", IPP_TAG_URI)) != NULL)
916 strlcpy(uri, ippGetString(attr, 0, NULL), urisize);
c585706d
MS		 917 else
918 {
919 ippDelete(response);
920 httpClose(http);
921 return (NULL);
922 }
923
924 if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL)
925 state = (ipp_pstate_t)ippGetInteger(attr, 0);
926
927 while (state == IPP_PSTATE_STOPPED && cupsLastError() == IPP_STATUS_OK)
928 {
929 sleep(1);
930 ippDelete(response);
931
932 request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES);
933
934 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
935 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsUser());
936 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "requested-attributes", NULL, "printer-state");
937
938 response = cupsDoRequest(http, request, "/");
939
940 if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL)
941 state = (ipp_pstate_t)ippGetInteger(attr, 0);
942 }
7ae00c35
MS		 943
944 ippDelete(response);
945
c585706d
MS		 946 httpClose(http);
947
948 return (uri);
7ae00c35
MS		 949}
950
951
9c80ffa2
MS		 952/*
953 * 'cupsEnumDests()' - Enumerate available destinations with a callback function.
954 *
f50db552
MS		 955 * Destinations are enumerated from one or more sources. The callback function
956 * receives the @code user_data@ pointer and the destination pointer which can
957 * be used as input to the @link cupsCopyDest@ function. The function must
958 * return 1 to continue enumeration or 0 to stop.
959 *
960 * The @code type@ and @code mask@ arguments allow the caller to filter the
961 * destinations that are enumerated. Passing 0 for both will enumerate all
962 * printers. The constant @code CUPS_PRINTER_DISCOVERED@ is used to filter on
963 * destinations that are available but have not yet been added locally.
9c80ffa2 964 *
dcb445bc
MS		 965 * Enumeration happens on the current thread and does not return until all
966 * destinations have been enumerated or the callback function returns 0.
9c80ffa2 967 *
500fca27
MS		 968 * Note: The callback function will likely receive multiple updates for the same
969 * destinations - it is up to the caller to suppress any duplicate destinations.
970 *
8072030b 971 * @since CUPS 1.6/macOS 10.8@
9c80ffa2
MS		 972 */
973
974int /* O - 1 on success, 0 on failure */
dcb445bc 975cupsEnumDests(
a2187a63
MS		 976 unsigned flags, /* I - Enumeration flags */
977 int msec, /* I - Timeout in milliseconds, -1 for indefinite */
978 int *cancel, /* I - Pointer to "cancel" variable */
979 cups_ptype_t type, /* I - Printer type bits */
980 cups_ptype_t mask, /* I - Mask for printer type bits */
981 cups_dest_cb_t cb, /* I - Callback function */
982 void *user_data) /* I - User data */
9c80ffa2 983{
dcb445bc
MS		 984 int i, /* Looping var */
985 num_dests; /* Number of destinations */
82cc1f9a 986 cups_dest_t *dests = NULL, /* Destinations */
dcb445bc 987 *dest; /* Current destination */
4db41741
MS		 988 const char *defprinter; /* Default printer */
989 char name[1024], /* Copy of printer name */
990 *instance, /* Pointer to instance name */
991 *user_default; /* User default printer */
a29fd7dd
MS		 992#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
993 int count, /* Number of queries started */
a2187a63 994 completed, /* Number of completed queries */
dcb445bc 995 remaining; /* Remainder of timeout */
3fae3b33 996 struct timeval curtime; /* Current time */
dcb445bc
MS		 997 _cups_dnssd_data_t data; /* Data for callback */
998 _cups_dnssd_device_t *device; /* Current device */
a29fd7dd
MS		 999# ifdef HAVE_DNSSD
1000 int nfds, /* Number of files responded */
1001 main_fd; /* File descriptor for lookups */
7f500d89
MS		 1002 DNSServiceRef ipp_ref = NULL, /* IPP browser */
1003 local_ipp_ref = NULL; /* Local IPP browser */
a29fd7dd 1004# ifdef HAVE_SSL
7f500d89
MS		 1005 DNSServiceRef ipps_ref = NULL,/* IPPS browser */
1006 local_ipps_ref = NULL; /* Local IPPS browser */
a29fd7dd
MS		 1007# endif /* HAVE_SSL */
1008# ifdef HAVE_POLL
dcb445bc 1009 struct pollfd pfd; /* Polling data */
a29fd7dd 1010# else
dcb445bc
MS		 1011 fd_set input; /* Input set for select() */
1012 struct timeval timeout; /* Timeout for select() */
a29fd7dd
MS		 1013# endif /* HAVE_POLL */
1014# else /* HAVE_AVAHI */
1015 int error; /* Error value */
7f500d89 1016 AvahiServiceBrowser *ipp_ref = NULL;/* IPP browser */
a29fd7dd 1017# ifdef HAVE_SSL
7f500d89 1018 AvahiServiceBrowser *ipps_ref = NULL; /* IPPS browser */
a29fd7dd
MS		 1019# endif /* HAVE_SSL */
1020# endif /* HAVE_DNSSD */
1021#endif /* HAVE_DNSSD || HAVE_AVAHI */
dcb445bc 1022
7f500d89 1023
dcb445bc
MS		 1024 /*
1025 * Range check input...
1026 */
1027
f3c17241
MS		 1028 (void)flags;
1029
dcb445bc
MS		 1030 if (!cb)
1031 return (0);
1032
1033 /*
f50db552 1034 * Get ready to enumerate...
dcb445bc
MS		 1035 */
1036
a2187a63 1037#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
7f500d89
MS		 1038 memset(&data, 0, sizeof(data));
1039
a2187a63
MS		 1040 data.type = type;
1041 data.mask = mask;
1042 data.cb = cb;
1043 data.user_data = user_data;
1044 data.devices = cupsArrayNew3((cups_array_func_t)cups_dnssd_compare_devices, NULL, NULL, 0, NULL, (cups_afree_func_t)cups_dnssd_free_device);
1045#endif /* HAVE_DNSSD || HAVE_AVAHI */
1046
f50db552 1047 if (!(mask & CUPS_PRINTER_DISCOVERED) || !(type & CUPS_PRINTER_DISCOVERED))
a2187a63 1048 {
f50db552
MS		 1049 /*
1050 * Get the list of local printers and pass them to the callback function...
1051 */
a2187a63 1052
f50db552
MS		 1053 num_dests = _cupsGetDests(CUPS_HTTP_DEFAULT, IPP_OP_CUPS_GET_PRINTERS, NULL,
1054 &dests, type, mask);
dcb445bc 1055
f50db552
MS		 1056 if ((user_default = _cupsUserDefault(name, sizeof(name))) != NULL)
1057 defprinter = name;
1058 else if ((defprinter = cupsGetDefault2(CUPS_HTTP_DEFAULT)) != NULL)
1059 {
1060 strlcpy(name, defprinter, sizeof(name));
1061 defprinter = name;
1062 }
1063
1064 if (defprinter)
a2187a63
MS		 1065 {
1066 /*
f50db552 1067 * Separate printer and instance name...
a2187a63
MS		 1068 */
1069
f50db552
MS		 1070 if ((instance = strchr(name, '/')) != NULL)
1071 *instance++ = '\0';
a2187a63 1072
f50db552
MS		 1073 /*
1074 * Lookup the printer and instance and make it the default...
1075 */
a2187a63 1076
f50db552
MS		 1077 if ((dest = cupsGetDest(name, instance, num_dests, dests)) != NULL)
1078 dest->is_default = 1;
a2187a63 1079 }
f50db552
MS		 1080
1081 for (i = num_dests, dest = dests;
1082 i > 0 && (!cancel || !*cancel);
1083 i --, dest ++)
1084 {
1085#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
1086 const char *device_uri; /* Device URI */
657c5b5f 1087#endif /* HAVE_DNSSD || HAVE_AVAHI */
a2187a63 1088
f50db552
MS		 1089 if (!(*cb)(user_data, i > 1 ? CUPS_DEST_FLAGS_MORE : CUPS_DEST_FLAGS_NONE,
1090 dest))
1091 break;
dcb445bc 1092
657c5b5f 1093#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
f50db552
MS		 1094 if (!dest->instance && (device_uri = cupsGetOption("device-uri", dest->num_options, dest->options)) != NULL && !strncmp(device_uri, "dnssd://", 8))
1095 {
1096 /*
1097 * Add existing queue using service name, etc. so we don't list it again...
1098 */
1099
1100 char scheme[32], /* URI scheme */
7f500d89
MS		 1101 userpass[32], /* Username:password */
1102 serviceName[256], /* Service name (host field) */
1103 resource[256], /* Resource (options) */
1104 *regtype, /* Registration type */
1105 *replyDomain; /* Registration domain */
f50db552
MS		 1106 int port; /* Port number (not used) */
1107
1108 if (httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme), userpass, sizeof(userpass), serviceName, sizeof(serviceName), &port, resource, sizeof(resource)) >= HTTP_URI_STATUS_OK)
1109 {
1110 if ((regtype = strstr(serviceName, "._ipp")) != NULL)
1111 {
1112 *regtype++ = '\0';
1113
1114 if ((replyDomain = strstr(regtype, "._tcp.")) != NULL)
1115 {
1116 replyDomain[5] = '\0';
1117 replyDomain += 6;
1118
1119 if ((device = cups_dnssd_get_device(&data, serviceName, regtype, replyDomain)) != NULL)
1120 device->state = _CUPS_DNSSD_ACTIVE;
1121 }
1122 }
1123 }
1124 }
657c5b5f 1125#endif /* HAVE_DNSSD || HAVE_AVAHI */
f50db552 1126 }
657c5b5f 1127
f50db552
MS		 1128 cupsFreeDests(num_dests, dests);
1129
1130 if (i > 0 || msec == 0)
1131 goto enum_finished;
a2187a63 1132 }
dcb445bc 1133
f50db552
MS		 1134 /*
1135 * Return early if the caller doesn't want to do discovery...
1136 */
1137
1138 if ((mask & CUPS_PRINTER_DISCOVERED) && !(type & CUPS_PRINTER_DISCOVERED))
1139 goto enum_finished;
1140
a29fd7dd 1141#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
dcb445bc
MS		 1142 /*
1143 * Get Bonjour-shared printers...
1144 */
1145
2a75f21b
MS		 1146 gettimeofday(&curtime, NULL);
1147
a29fd7dd 1148# ifdef HAVE_DNSSD
dcb445bc
MS		 1149 if (DNSServiceCreateConnection(&data.main_ref) != kDNSServiceErr_NoError)
1150 return (0);
1151
1152 main_fd = DNSServiceRefSockFD(data.main_ref);
1153
1154 ipp_ref = data.main_ref;
1155 DNSServiceBrowse(&ipp_ref, kDNSServiceFlagsShareConnection, 0,
a29fd7dd 1156 "_ipp._tcp", NULL,
12f89d24 1157 (DNSServiceBrowseReply)cups_dnssd_browse_cb, &data);
dcb445bc
MS		 1158
1159 local_ipp_ref = data.main_ref;
1160 DNSServiceBrowse(&local_ipp_ref, kDNSServiceFlagsShareConnection,
1161 kDNSServiceInterfaceIndexLocalOnly,
a29fd7dd 1162 "_ipp._tcp", NULL,
12f89d24 1163 (DNSServiceBrowseReply)cups_dnssd_local_cb, &data);
dcb445bc 1164
a29fd7dd 1165# ifdef HAVE_SSL
dcb445bc
MS		 1166 ipps_ref = data.main_ref;
1167 DNSServiceBrowse(&ipps_ref, kDNSServiceFlagsShareConnection, 0,
a29fd7dd 1168 "_ipps._tcp", NULL,
12f89d24 1169 (DNSServiceBrowseReply)cups_dnssd_browse_cb, &data);
dcb445bc
MS		 1170
1171 local_ipps_ref = data.main_ref;
1172 DNSServiceBrowse(&local_ipps_ref, kDNSServiceFlagsShareConnection,
1173 kDNSServiceInterfaceIndexLocalOnly,
a29fd7dd 1174 "_ipps._tcp", NULL,
12f89d24 1175 (DNSServiceBrowseReply)cups_dnssd_local_cb, &data);
a29fd7dd
MS		 1176# endif /* HAVE_SSL */
1177
1178# else /* HAVE_AVAHI */
1179 if ((data.simple_poll = avahi_simple_poll_new()) == NULL)
1180 {
1181 DEBUG_puts("cupsEnumDests: Unable to create Avahi simple poll object.");
1182 return (1);
1183 }
1184
1185 avahi_simple_poll_set_func(data.simple_poll, cups_dnssd_poll_cb, &data);
1186
1187 data.client = avahi_client_new(avahi_simple_poll_get(data.simple_poll),
1188 0, cups_dnssd_client_cb, &data,
1189 &error);
1190 if (!data.client)
1191 {
1192 DEBUG_puts("cupsEnumDests: Unable to create Avahi client.");
1193 avahi_simple_poll_free(data.simple_poll);
1194 return (1);
1195 }
1196
3fae3b33
MS		 1197 data.browsers = 1;
1198 ipp_ref = avahi_service_browser_new(data.client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_ipp._tcp", NULL, 0, cups_dnssd_browse_cb, &data);
1199
a29fd7dd 1200# ifdef HAVE_SSL
657c5b5f 1201 data.browsers ++;
3fae3b33 1202 ipps_ref = avahi_service_browser_new(data.client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_ipps._tcp", NULL, 0, cups_dnssd_browse_cb, &data);
a29fd7dd
MS		 1203# endif /* HAVE_SSL */
1204# endif /* HAVE_DNSSD */
dcb445bc
MS		 1205
1206 if (msec < 0)
1207 remaining = INT_MAX;
1208 else
1209 remaining = msec;
1210
1211 while (remaining > 0 && (!cancel || !*cancel))
1212 {
1213 /*
1214 * Check for input...
1215 */
1216
3fae3b33
MS		 1217 DEBUG_printf(("1cupsEnumDests: remaining=%d", remaining));
1218
1219 cups_elapsed(&curtime);
1220
a29fd7dd
MS		 1221# ifdef HAVE_DNSSD
1222# ifdef HAVE_POLL
dcb445bc
MS		 1223 pfd.fd = main_fd;
1224 pfd.events = POLLIN;
1225
3fae3b33 1226 nfds = poll(&pfd, 1, remaining > _CUPS_DNSSD_MAXTIME ? _CUPS_DNSSD_MAXTIME : remaining);
dcb445bc 1227
a29fd7dd 1228# else
dcb445bc
MS		 1229 FD_ZERO(&input);
1230 FD_SET(main_fd, &input);
1231
1232 timeout.tv_sec = 0;
3fae3b33 1233 timeout.tv_usec = 1000 * (remaining > _CUPS_DNSSD_MAXTIME ? _CUPS_DNSSD_MAXTIME : remaining);
dcb445bc
MS		 1234
1235 nfds = select(main_fd + 1, &input, NULL, NULL, &timeout);
a29fd7dd 1236# endif /* HAVE_POLL */
dcb445bc
MS		 1237
1238 if (nfds > 0)
1239 DNSServiceProcessResult(data.main_ref);
dcb445bc 1240
a29fd7dd
MS		 1241# else /* HAVE_AVAHI */
1242 data.got_data = 0;
1243
3fae3b33 1244 if ((error = avahi_simple_poll_iterate(data.simple_poll, _CUPS_DNSSD_MAXTIME)) > 0)
a29fd7dd
MS		 1245 {
1246 /*
1247 * We've been told to exit the loop. Perhaps the connection to
1248 * Avahi failed.
1249 */
1250
1251 break;
1252 }
1253
657c5b5f 1254 DEBUG_printf(("1cupsEnumDests: got_data=%d", data.got_data));
a29fd7dd
MS		 1255# endif /* HAVE_DNSSD */
1256
3fae3b33 1257 remaining -= cups_elapsed(&curtime);
a2187a63 1258
dcb445bc 1259 for (device = (_cups_dnssd_device_t *)cupsArrayFirst(data.devices),
a2187a63 1260 count = 0, completed = 0;
dcb445bc
MS		 1261 device;
1262 device = (_cups_dnssd_device_t *)cupsArrayNext(data.devices))
1263 {
1264 if (device->ref)
1265 count ++;
1266
a2187a63
MS		 1267 if (device->state == _CUPS_DNSSD_ACTIVE)
1268 completed ++;
1269
dcb445bc
MS		 1270 if (!device->ref && device->state == _CUPS_DNSSD_NEW)
1271 {
dcb445bc
MS		 1272 DEBUG_printf(("1cupsEnumDests: Querying '%s'.", device->fullName));
1273
a29fd7dd
MS		 1274# ifdef HAVE_DNSSD
1275 device->ref = data.main_ref;
1276
dcb445bc
MS		 1277 if (DNSServiceQueryRecord(&(device->ref),
1278 kDNSServiceFlagsShareConnection,
1279 0, device->fullName,
1280 kDNSServiceType_TXT,
12f89d24
MS		 1281 kDNSServiceClass_IN,
1282 (DNSServiceQueryRecordReply)cups_dnssd_query_cb,
dcb445bc
MS		 1283 &data) == kDNSServiceErr_NoError)
1284 {
1285 count ++;
1286 }
1287 else
1288 {
1289 device->ref = 0;
1290 device->state = _CUPS_DNSSD_ERROR;
1291
1292 DEBUG_puts("1cupsEnumDests: Query failed.");
1293 }
a29fd7dd
MS		 1294
1295# else /* HAVE_AVAHI */
3fae3b33 1296 if ((device->ref = avahi_record_browser_new(data.client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, device->fullName, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_TXT, 0, cups_dnssd_query_cb, &data)) != NULL)
a29fd7dd 1297 {
3fae3b33 1298 DEBUG_printf(("1cupsEnumDests: Query ref=%p", device->ref));
a29fd7dd
MS		 1299 count ++;
1300 }
1301 else
1302 {
1303 device->state = _CUPS_DNSSD_ERROR;
1304
657c5b5f 1305 DEBUG_printf(("1cupsEnumDests: Query failed: %s", avahi_strerror(avahi_client_errno(data.client))));
a29fd7dd
MS		 1306 }
1307# endif /* HAVE_DNSSD */
dcb445bc
MS		 1308 }
1309 else if (device->ref && device->state == _CUPS_DNSSD_PENDING)
1310 {
a2187a63
MS		 1311 completed ++;
1312
3fae3b33
MS		 1313 DEBUG_printf(("1cupsEnumDests: Query for \"%s\" is complete.", device->fullName));
1314
a29fd7dd
MS		 1315 if ((device->type & mask) == type)
1316 {
a2187a63 1317 DEBUG_printf(("1cupsEnumDests: Add callback for \"%s\".", device->dest.name));
a29fd7dd
MS		 1318 if (!(*cb)(user_data, CUPS_DEST_FLAGS_NONE, &device->dest))
1319 {
1320 remaining = -1;
1321 break;
1322 }
1323 }
dcb445bc
MS		 1324
1325 device->state = _CUPS_DNSSD_ACTIVE;
1326 }
1327 }
a2187a63 1328
657c5b5f 1329# ifdef HAVE_AVAHI
3fae3b33 1330 DEBUG_printf(("1cupsEnumDests: remaining=%d, browsers=%d, completed=%d, count=%d, devices count=%d", remaining, data.browsers, completed, count, cupsArrayCount(data.devices)));
657c5b5f
MS		 1331
1332 if (data.browsers == 0 && completed == cupsArrayCount(data.devices))
1333 break;
1334# else
3fae3b33 1335 DEBUG_printf(("1cupsEnumDests: remaining=%d, completed=%d, count=%d, devices count=%d", remaining, completed, count, cupsArrayCount(data.devices)));
657c5b5f 1336
a2187a63
MS		 1337 if (completed == cupsArrayCount(data.devices))
1338 break;
657c5b5f 1339# endif /* HAVE_AVAHI */
dcb445bc 1340 }
7f500d89
MS		 1341#endif /* HAVE_DNSSD || HAVE_AVAHI */
1342
1343 /*
1344 * Return...
1345 */
1346
1347 enum_finished:
dcb445bc 1348
7f500d89 1349#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
de4966cb
MS		 1350 cupsArrayDelete(data.devices);
1351
a29fd7dd 1352# ifdef HAVE_DNSSD
de4966cb
MS		 1353 if (ipp_ref)
1354 DNSServiceRefDeallocate(ipp_ref);
1355 if (local_ipp_ref)
1356 DNSServiceRefDeallocate(local_ipp_ref);
dcb445bc 1357
a29fd7dd 1358# ifdef HAVE_SSL
de4966cb
MS		 1359 if (ipps_ref)
1360 DNSServiceRefDeallocate(ipps_ref);
1361 if (local_ipps_ref)
1362 DNSServiceRefDeallocate(local_ipps_ref);
a29fd7dd 1363# endif /* HAVE_SSL */
dcb445bc 1364
de4966cb
MS		 1365 if (data.main_ref)
1366 DNSServiceRefDeallocate(data.main_ref);
a29fd7dd
MS		 1367
1368# else /* HAVE_AVAHI */
de4966cb
MS		 1369 if (ipp_ref)
1370 avahi_service_browser_free(ipp_ref);
a29fd7dd 1371# ifdef HAVE_SSL
de4966cb
MS		 1372 if (ipps_ref)
1373 avahi_service_browser_free(ipps_ref);
a29fd7dd
MS		 1374# endif /* HAVE_SSL */
1375
de4966cb
MS		 1376 if (data.client)
1377 avahi_client_free(data.client);
1378 if (data.simple_poll)
1379 avahi_simple_poll_free(data.simple_poll);
a29fd7dd 1380# endif /* HAVE_DNSSD */
f50db552
MS		 1381#endif /* HAVE_DNSSD || HAVE_AVAHI */
1382
dcb445bc 1383 return (1);
9c80ffa2
MS		 1384}
1385
1386
1387# ifdef __BLOCKS__
1388/*
1389 * 'cupsEnumDestsBlock()' - Enumerate available destinations with a block.
1390 *
f50db552
MS		 1391 * Destinations are enumerated from one or more sources. The block receives the
1392 * @code user_data@ pointer and the destination pointer which can be used as
1393 * input to the @link cupsCopyDest@ function. The block must return 1 to
dcb445bc 1394 * continue enumeration or 0 to stop.
9c80ffa2 1395 *
f50db552
MS		 1396 * The @code type@ and @code mask@ arguments allow the caller to filter the
1397 * destinations that are enumerated. Passing 0 for both will enumerate all
1398 * printers. The constant @code CUPS_PRINTER_DISCOVERED@ is used to filter on
1399 * destinations that are available but have not yet been added locally.
1400 *
dcb445bc
MS		 1401 * Enumeration happens on the current thread and does not return until all
1402 * destinations have been enumerated or the block returns 0.
9c80ffa2 1403 *
500fca27
MS		 1404 * Note: The block will likely receive multiple updates for the same
1405 * destinations - it is up to the caller to suppress any duplicate destinations.
1406 *
53af7f21 1407 * @since CUPS 1.6/macOS 10.8@ @exclude all@
9c80ffa2
MS		 1408 */
1409
1410int /* O - 1 on success, 0 on failure */
1411cupsEnumDestsBlock(
dcb445bc
MS		 1412 unsigned flags, /* I - Enumeration flags */
1413 int timeout, /* I - Timeout in milliseconds, 0 for indefinite */
1414 int *cancel, /* I - Pointer to "cancel" variable */
1415 cups_ptype_t type, /* I - Printer type bits */
1416 cups_ptype_t mask, /* I - Mask for printer type bits */
9c80ffa2
MS		 1417 cups_dest_block_t block) /* I - Block */
1418{
dcb445bc
MS		 1419 return (cupsEnumDests(flags, timeout, cancel, type, mask,
1420 (cups_dest_cb_t)cups_block_cb, (void *)block));
9c80ffa2
MS		 1421}
1422# endif /* __BLOCKS__ */
1423
1424
ef416fc2 1425/*
1426 * 'cupsFreeDests()' - Free the memory used by the list of destinations.
1427 */
1428
1429void
1430cupsFreeDests(int num_dests, /* I - Number of destinations */
1431 cups_dest_t *dests) /* I - Destinations */
1432{
1433 int i; /* Looping var */
1434 cups_dest_t *dest; /* Current destination */
1435
1436
1437 if (num_dests == 0 || dests == NULL)
1438 return;
1439
1440 for (i = num_dests, dest = dests; i > 0; i --, dest ++)
1441 {
2e4ff8af
MS		 1442 _cupsStrFree(dest->name);
1443 _cupsStrFree(dest->instance);
ef416fc2 1444
1445 cupsFreeOptions(dest->num_options, dest->options);
1446 }
1447
1448 free(dests);
1449}
1450
1451
1452/*
1453 * 'cupsGetDest()' - Get the named destination from the list.
1454 *
98d88c8d 1455 * Use the @link cupsEnumDests@ or @link cupsGetDests2@ functions to get a
ef416fc2 1456 * list of supported destinations for the current user.
1457 */
1458
5a738aea
MS		 1459cups_dest_t * /* O - Destination pointer or @code NULL@ */
1460cupsGetDest(const char *name, /* I - Destination name or @code NULL@ for the default destination */
1461 const char *instance, /* I - Instance name or @code NULL@ */
ef416fc2 1462 int num_dests, /* I - Number of destinations */
1463 cups_dest_t *dests) /* I - Destinations */
1464{
426c6a59
MS		 1465 int diff, /* Result of comparison */
1466 match; /* Matching index */
ef416fc2 1467
1468
2abf387c 1469 if (num_dests <= 0 || !dests)
ef416fc2 1470 return (NULL);
1471
2abf387c 1472 if (!name)
ef416fc2 1473 {
1474 /*
1475 * NULL name for default printer.
1476 */
1477
1478 while (num_dests > 0)
1479 {
1480 if (dests->is_default)
1481 return (dests);
1482
1483 num_dests --;
1484 dests ++;
1485 }
1486 }
1487 else
1488 {
1489 /*
1490 * Lookup name and optionally the instance...
1491 */
1492
426c6a59 1493 match = cups_find_dest(name, instance, num_dests, dests, -1, &diff);
ef416fc2 1494
426c6a59
MS		 1495 if (!diff)
1496 return (dests + match);
ef416fc2 1497 }
1498
1499 return (NULL);
1500}
1501
1502
dcb445bc
MS		 1503/*
1504 * '_cupsGetDestResource()' - Get the resource path and URI for a destination.
1505 */
1506
1507const char * /* O - Printer URI */
1508_cupsGetDestResource(
1509 cups_dest_t *dest, /* I - Destination */
1510 char *resource, /* I - Resource buffer */
1511 size_t resourcesize) /* I - Size of resource buffer */
1512{
1513 const char *uri; /* Printer URI */
1514 char scheme[32], /* URI scheme */
1515 userpass[256], /* Username and password (unused) */
1516 hostname[256]; /* Hostname */
1517 int port; /* Port number */
1518
1519
2a75f21b 1520 DEBUG_printf(("_cupsGetDestResource(dest=%p(%s), resource=%p, resourcesize=%d)", (void *)dest, dest->name, (void *)resource, (int)resourcesize));
7536de1a 1521
dcb445bc
MS		 1522 /*
1523 * Range check input...
1524 */
1525
1526 if (!dest || !resource || resourcesize < 1)
1527 {
1528 if (resource)
1529 *resource = '\0';
1530
cb7f98ee 1531 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
dcb445bc
MS		 1532 return (NULL);
1533 }
1534
1535 /*
1536 * Grab the printer URI...
1537 */
1538
4a366251 1539 if ((uri = cupsGetOption("printer-uri-supported", dest->num_options, dest->options)) == NULL)
dcb445bc 1540 {
4a366251
MS		 1541 if ((uri = cupsGetOption("resolved-device-uri", dest->num_options, dest->options)) == NULL)
1542 {
1543 if ((uri = cupsGetOption("device-uri", dest->num_options, dest->options)) != NULL)
1544 {
1545#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
1546 if (strstr(uri, "._tcp"))
1547 uri = cups_dnssd_resolve(dest, uri, 5000, NULL, NULL, NULL);
1548#endif /* HAVE_DNSSD || HAVE_AVAHI */
1549 }
1550 }
7536de1a 1551
4a366251
MS		 1552 if (uri)
1553 {
1554 DEBUG_printf(("1_cupsGetDestResource: Resolved printer-uri-supported=\"%s\"", uri));
dcb445bc 1555
4a366251
MS		 1556 uri = _cupsCreateDest(dest->name, cupsGetOption("printer-info", dest->num_options, dest->options), NULL, uri, resource, resourcesize);
1557 }
dcb445bc 1558
4a366251
MS		 1559 if (uri)
1560 {
1561 DEBUG_printf(("1_cupsGetDestResource: Local printer-uri-supported=\"%s\"", uri));
dcb445bc 1562
4a366251
MS		 1563 dest->num_options = cupsAddOption("printer-uri-supported", uri, dest->num_options, &dest->options);
1564
1565 uri = cupsGetOption("printer-uri-supported", dest->num_options, dest->options);
1566 }
1567 else
1568 {
1569 DEBUG_puts("1_cupsGetDestResource: No printer-uri-supported found.");
1570
1571 if (resource)
1572 *resource = '\0';
1573
1574 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(ENOENT), 0);
7536de1a 1575
dcb445bc 1576 return (NULL);
4a366251 1577 }
dcb445bc 1578 }
4a366251 1579 else
dcb445bc 1580 {
4a366251 1581 DEBUG_printf(("1_cupsGetDestResource: printer-uri-supported=\"%s\"", uri));
dcb445bc 1582
4a366251
MS		 1583 if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, sizeof(scheme),
1584 userpass, sizeof(userpass), hostname, sizeof(hostname),
1585 &port, resource, (int)resourcesize) < HTTP_URI_STATUS_OK)
1586 {
1587 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad printer-uri."), 1);
1588
1589 return (NULL);
1590 }
dcb445bc
MS		 1591 }
1592
7536de1a
MS		 1593 DEBUG_printf(("1_cupsGetDestResource: resource=\"%s\"", resource));
1594
dcb445bc
MS		 1595 return (uri);
1596}
1597
1598
104fd4ae
MS		 1599/*
1600 * 'cupsGetDestWithURI()' - Get a destination associated with a URI.
1601 *
1602 * "name" is the desired name for the printer. If @code NULL@, a name will be
1603 * created using the URI.
1604 *
1605 * "uri" is the "ipp" or "ipps" URI for the printer.
1606 *
8072030b 1607 * @since CUPS 2.0/macOS 10.10@
104fd4ae
MS		 1608 */
1609
1610cups_dest_t * /* O - Destination or @code NULL@ */
1611cupsGetDestWithURI(const char *name, /* I - Desired printer name or @code NULL@ */
1612 const char *uri) /* I - URI for the printer */
1613{
1614 cups_dest_t *dest; /* New destination */
1615 char temp[1024], /* Temporary string */
1616 scheme[256], /* Scheme from URI */
1617 userpass[256], /* Username:password from URI */
1618 hostname[256], /* Hostname from URI */
1619 resource[1024], /* Resource path from URI */
1620 *ptr; /* Pointer into string */
efa72f61 1621 const char *info; /* printer-info string */
104fd4ae
MS		 1622 int port; /* Port number from URI */
1623
1624
1625 /*
1626 * Range check input...
1627 */
1628
1629 if (!uri)
1630 {
1631 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0);
1632 return (NULL);
1633 }
1634
1635 if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, sizeof(scheme), userpass, sizeof(userpass), hostname, sizeof(hostname), &port, resource, sizeof(resource)) < HTTP_URI_STATUS_OK ||
1636 (strncmp(uri, "ipp://", 6) && strncmp(uri, "ipps://", 7)))
1637 {
f5f2e19e 1638 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad printer-uri."), 1);
104fd4ae
MS		 1639
1640 return (NULL);
1641 }
1642
efa72f61
MS		 1643 if (name)
1644 {
1645 info = name;
1646 }
1647 else
104fd4ae
MS		 1648 {
1649 /*
1650 * Create the name from the URI...
1651 */
1652
1653 if (strstr(hostname, "._tcp"))
1654 {
1655 /*
1656 * Use the service instance name...
1657 */
1658
efa72f61 1659 if ((ptr = strstr(hostname, "._")) != NULL)
104fd4ae
MS		 1660 *ptr = '\0';
1661
efa72f61
MS		 1662 cups_queue_name(temp, hostname, sizeof(temp));
1663 name = temp;
1664 info = hostname;
104fd4ae
MS		 1665 }
1666 else if (!strncmp(resource, "/classes/", 9))
1667 {
1668 snprintf(temp, sizeof(temp), "%s @ %s", resource + 9, hostname);
efa72f61
MS		 1669 name = resource + 9;
1670 info = temp;
104fd4ae
MS		 1671 }
1672 else if (!strncmp(resource, "/printers/", 10))
1673 {
1674 snprintf(temp, sizeof(temp), "%s @ %s", resource + 10, hostname);
efa72f61
MS		 1675 name = resource + 10;
1676 info = temp;
104fd4ae
MS		 1677 }
1678 else
1679 {
1680 name = hostname;
efa72f61 1681 info = hostname;
104fd4ae
MS		 1682 }
1683 }
1684
1685 /*
1686 * Create the destination...
1687 */
1688
1689 if ((dest = calloc(1, sizeof(cups_dest_t))) == NULL)
1690 {
1691 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(errno), 0);
1692 return (NULL);
1693 }
1694
1695 dest->name = _cupsStrAlloc(name);
4db7fcee 1696 dest->num_options = cupsAddOption("device-uri", uri, dest->num_options, &(dest->options));
efa72f61 1697 dest->num_options = cupsAddOption("printer-info", info, dest->num_options, &(dest->options));
104fd4ae
MS		 1698
1699 return (dest);
1700}
1701
1702
c8fef167
MS		 1703/*
1704 * '_cupsGetDests()' - Get destinations from a server.
1705 *
5489ad43
MS		 1706 * "op" is IPP_OP_CUPS_GET_PRINTERS to get a full list, IPP_OP_CUPS_GET_DEFAULT
1707 * to get the system-wide default printer, or IPP_OP_GET_PRINTER_ATTRIBUTES for
1708 * a known printer.
c8fef167
MS		 1709 *
1710 * "name" is the name of an existing printer and is only used when "op" is
cb7f98ee 1711 * IPP_OP_GET_PRINTER_ATTRIBUTES.
c8fef167
MS		 1712 *
1713 * "dest" is initialized to point to the array of destinations.
1714 *
1715 * 0 is returned if there are no printers, no default printer, or the named
1716 * printer does not exist, respectively.
1717 *
1718 * Free the memory used by the destination array using the @link cupsFreeDests@
1719 * function.
1720 *
8072030b 1721 * Note: On macOS this function also gets the default paper from the system
c8fef167
MS		 1722 * preferences (~/L/P/org.cups.PrintingPrefs.plist) and includes it in the
1723 * options array for each destination that supports it.
1724 */
1725
dcb445bc
MS		 1726int /* O - Number of destinations */
1727_cupsGetDests(http_t *http, /* I - Connection to server or
1728 * @code CUPS_HTTP_DEFAULT@ */
1729 ipp_op_t op, /* I - IPP operation */
1730 const char *name, /* I - Name of destination */
1731 cups_dest_t **dests, /* IO - Destinations */
1732 cups_ptype_t type, /* I - Printer type bits */
1733 cups_ptype_t mask) /* I - Printer type mask */
c8fef167
MS		 1734{
1735 int num_dests = 0; /* Number of destinations */
1736 cups_dest_t *dest; /* Current destination */
1737 ipp_t *request, /* IPP Request */
1738 *response; /* IPP Response */
1739 ipp_attribute_t *attr; /* Current attribute */
1740 const char *printer_name; /* printer-name attribute */
1741 char uri[1024]; /* printer-uri value */
1742 int num_options; /* Number of options */
1743 cups_option_t *options; /* Options */
1744#ifdef __APPLE__
1745 char media_default[41]; /* Default paper size */
1746#endif /* __APPLE__ */
1747 char optname[1024], /* Option name */
1748 value[2048], /* Option value */
1749 *ptr; /* Pointer into name/value */
1750 static const char * const pattrs[] = /* Attributes we're interested in */
1751 {
1752 "auth-info-required",
1753 "device-uri",
1754 "job-sheets-default",
1755 "marker-change-time",
1756 "marker-colors",
1757 "marker-high-levels",
1758 "marker-levels",
1759 "marker-low-levels",
1760 "marker-message",
1761 "marker-names",
1762 "marker-types",
1763#ifdef __APPLE__
1764 "media-supported",
1765#endif /* __APPLE__ */
1766 "printer-commands",
1767 "printer-defaults",
1768 "printer-info",
1769 "printer-is-accepting-jobs",
1770 "printer-is-shared",
12b798a0 1771 "printer-is-temporary",
c8fef167
MS		 1772 "printer-location",
1773 "printer-make-and-model",
5a9febac 1774 "printer-mandatory-job-attributes",
c8fef167
MS		 1775 "printer-name",
1776 "printer-state",
1777 "printer-state-change-time",
1778 "printer-state-reasons",
1779 "printer-type",
1780 "printer-uri-supported"
1781 };
1782
1783
2a75f21b 1784 DEBUG_printf(("_cupsGetDests(http=%p, op=%x(%s), name=\"%s\", dests=%p, type=%x, mask=%x)", (void *)http, op, ippOpString(op), name, (void *)dests, type, mask));
4a366251 1785
c8fef167
MS		 1786#ifdef __APPLE__
1787 /*
1788 * Get the default paper size...
1789 */
1790
1791 appleGetPaperSize(media_default, sizeof(media_default));
1792#endif /* __APPLE__ */
1793
0cb67df3 1794 /*
cb7f98ee 1795 * Build a IPP_OP_CUPS_GET_PRINTERS or IPP_OP_GET_PRINTER_ATTRIBUTES request, which
0cb67df3
MS		 1796 * require the following attributes:
1797 *
1798 * attributes-charset
1799 * attributes-natural-language
1800 * requesting-user-name
cb7f98ee 1801 * printer-uri [for IPP_OP_GET_PRINTER_ATTRIBUTES]
0cb67df3 1802 */
c1420c87 1803
0cb67df3 1804 request = ippNewRequest(op);
c1420c87 1805
0cb67df3
MS		 1806 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1807 "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
1808 NULL, pattrs);
c1420c87 1809
0cb67df3
MS		 1810 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1811 "requesting-user-name", NULL, cupsUser());
c1420c87 1812
cb7f98ee 1813 if (name && op != IPP_OP_CUPS_GET_DEFAULT)
0cb67df3
MS		 1814 {
1815 httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
1816 "localhost", ippPort(), "/printers/%s", name);
1817 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
1818 uri);
1819 }
1820 else if (mask)
1821 {
7e86f2f6
MS		 1822 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_ENUM, "printer-type", (int)type);
1823 ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_ENUM, "printer-type-mask", (int)mask);
c1420c87 1824 }
c8fef167 1825
0cb67df3
MS		 1826 /*
1827 * Do the request and get back a response...
1828 */
1829
1830 if ((response = cupsDoRequest(http, request, "/")) != NULL)
c8fef167
MS		 1831 {
1832 for (attr = response->attrs; attr != NULL; attr = attr->next)
1833 {
1834 /*
1835 * Skip leading attributes until we hit a printer...
1836 */
1837
1838 while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
1839 attr = attr->next;
1840
1841 if (attr == NULL)
1842 break;
1843
1844 /*
1845 * Pull the needed attributes from this printer...
1846 */
1847
1848 printer_name = NULL;
1849 num_options = 0;
1850 options = NULL;
1851
1852 for (; attr && attr->group_tag == IPP_TAG_PRINTER; attr = attr->next)
1853 {
1854 if (attr->value_tag != IPP_TAG_INTEGER &&
1855 attr->value_tag != IPP_TAG_ENUM &&
1856 attr->value_tag != IPP_TAG_BOOLEAN &&
1857 attr->value_tag != IPP_TAG_TEXT &&
1858 attr->value_tag != IPP_TAG_TEXTLANG &&
1859 attr->value_tag != IPP_TAG_NAME &&
1860 attr->value_tag != IPP_TAG_NAMELANG &&
1861 attr->value_tag != IPP_TAG_KEYWORD &&
1862 attr->value_tag != IPP_TAG_RANGE &&
1863 attr->value_tag != IPP_TAG_URI)
1864 continue;
1865
1866 if (!strcmp(attr->name, "auth-info-required") ||
1867 !strcmp(attr->name, "device-uri") ||
1868 !strcmp(attr->name, "marker-change-time") ||
1869 !strcmp(attr->name, "marker-colors") ||
1870 !strcmp(attr->name, "marker-high-levels") ||
1871 !strcmp(attr->name, "marker-levels") ||
1872 !strcmp(attr->name, "marker-low-levels") ||
1873 !strcmp(attr->name, "marker-message") ||
1874 !strcmp(attr->name, "marker-names") ||
1875 !strcmp(attr->name, "marker-types") ||
1876 !strcmp(attr->name, "printer-commands") ||
1877 !strcmp(attr->name, "printer-info") ||
12b798a0
MS		 1878 !strcmp(attr->name, "printer-is-shared") ||
1879 !strcmp(attr->name, "printer-is-temporary") ||
c8fef167 1880 !strcmp(attr->name, "printer-make-and-model") ||
5a9febac 1881 !strcmp(attr->name, "printer-mandatory-job-attributes") ||
c8fef167
MS		 1882 !strcmp(attr->name, "printer-state") ||
1883 !strcmp(attr->name, "printer-state-change-time") ||
1884 !strcmp(attr->name, "printer-type") ||
1885 !strcmp(attr->name, "printer-is-accepting-jobs") ||
1886 !strcmp(attr->name, "printer-location") ||
1887 !strcmp(attr->name, "printer-state-reasons") ||
1888 !strcmp(attr->name, "printer-uri-supported"))
1889 {
1890 /*
1891 * Add a printer description attribute...
1892 */
1893
1894 num_options = cupsAddOption(attr->name,
1895 cups_make_string(attr, value,
1896 sizeof(value)),
1897 num_options, &options);
1898 }
1899#ifdef __APPLE__
1900 else if (!strcmp(attr->name, "media-supported"))
1901 {
1902 /*
1903 * See if we can set a default media size...
1904 */
1905
1906 int i; /* Looping var */
1907
1908 for (i = 0; i < attr->num_values; i ++)
88f9aafc 1909 if (!_cups_strcasecmp(media_default, attr->values[i].string.text))
c8fef167
MS		 1910 {
1911 num_options = cupsAddOption("media", media_default, num_options,
1912 &options);
1913 break;
1914 }
1915 }
1916#endif /* __APPLE__ */
1917 else if (!strcmp(attr->name, "printer-name") &&
1918 attr->value_tag == IPP_TAG_NAME)
1919 printer_name = attr->values[0].string.text;
1920 else if (strncmp(attr->name, "notify-", 7) &&
1921 (attr->value_tag == IPP_TAG_BOOLEAN ||
1922 attr->value_tag == IPP_TAG_ENUM ||
1923 attr->value_tag == IPP_TAG_INTEGER ||
1924 attr->value_tag == IPP_TAG_KEYWORD ||
1925 attr->value_tag == IPP_TAG_NAME ||
1926 attr->value_tag == IPP_TAG_RANGE) &&
1927 (ptr = strstr(attr->name, "-default")) != NULL)
1928 {
1929 /*
1930 * Add a default option...
1931 */
1932
1933 strlcpy(optname, attr->name, sizeof(optname));
1934 optname[ptr - attr->name] = '\0';
1935
88f9aafc 1936 if (_cups_strcasecmp(optname, "media") ||
c8fef167
MS		 1937 !cupsGetOption("media", num_options, options))
1938 num_options = cupsAddOption(optname,
1939 cups_make_string(attr, value,
1940 sizeof(value)),
1941 num_options, &options);
1942 }
1943 }
1944
1945 /*
1946 * See if we have everything needed...
1947 */
1948
1949 if (!printer_name)
1950 {
1951 cupsFreeOptions(num_options, options);
1952
1953 if (attr == NULL)
1954 break;
1955 else
1956 continue;
1957 }
1958
1959 if ((dest = cups_add_dest(printer_name, NULL, &num_dests, dests)) != NULL)
1960 {
1961 dest->num_options = num_options;
1962 dest->options = options;
1963 }
1964 else
1965 cupsFreeOptions(num_options, options);
1966
1967 if (attr == NULL)
1968 break;
1969 }
1970
1971 ippDelete(response);
1972 }
1973
1974 /*
1975 * Return the count...
1976 */
1977
1978 return (num_dests);
1979}
1980
1981
ef416fc2 1982/*
1983 * 'cupsGetDests()' - Get the list of destinations from the default server.
ecdc0628 1984 *
1985 * Starting with CUPS 1.2, the returned list of destinations include the
98d88c8d
MS		 1986 * "printer-info", "printer-is-accepting-jobs", "printer-is-shared",
1987 * "printer-make-and-model", "printer-state", "printer-state-change-time",
1988 * "printer-state-reasons", "printer-type", and "printer-uri-supported"
1989 * attributes as options.
1990 *
1991 * CUPS 1.4 adds the "marker-change-time", "marker-colors",
1992 * "marker-high-levels", "marker-levels", "marker-low-levels", "marker-message",
1993 * "marker-names", "marker-types", and "printer-commands" attributes as options.
1994 *
1995 * CUPS 2.2 adds accessible IPP printers to the list of destinations that can
1996 * be used. The "printer-uri-supported" option will be present for those IPP
1997 * printers that have been recently used.
2abf387c 1998 *
5a738aea
MS		 1999 * Use the @link cupsFreeDests@ function to free the destination list and
2000 * the @link cupsGetDest@ function to find a particular destination.
53af7f21
MS		 2001 *
2002 * @exclude all@
ef416fc2 2003 */
2004
2005int /* O - Number of destinations */
2006cupsGetDests(cups_dest_t **dests) /* O - Destinations */
2007{
3d052e43 2008 return (cupsGetDests2(CUPS_HTTP_DEFAULT, dests));
ef416fc2 2009}
2010
2011
2012/*
2013 * 'cupsGetDests2()' - Get the list of destinations from the specified server.
2014 *
ecdc0628 2015 * Starting with CUPS 1.2, the returned list of destinations include the
98d88c8d
MS		 2016 * "printer-info", "printer-is-accepting-jobs", "printer-is-shared",
2017 * "printer-make-and-model", "printer-state", "printer-state-change-time",
2018 * "printer-state-reasons", "printer-type", and "printer-uri-supported"
2019 * attributes as options.
2020 *
2021 * CUPS 1.4 adds the "marker-change-time", "marker-colors",
2022 * "marker-high-levels", "marker-levels", "marker-low-levels", "marker-message",
2023 * "marker-names", "marker-types", and "printer-commands" attributes as options.
2024 *
2025 * CUPS 2.2 adds accessible IPP printers to the list of destinations that can
2026 * be used. The "printer-uri-supported" option will be present for those IPP
2027 * printers that have been recently used.
ecdc0628 2028 *
5a738aea
MS		 2029 * Use the @link cupsFreeDests@ function to free the destination list and
2030 * the @link cupsGetDest@ function to find a particular destination.
2abf387c 2031 *
98d88c8d 2032 * @since CUPS 1.1.21/macOS 10.4@
ef416fc2 2033 */
2034
2035int /* O - Number of destinations */
568fa3fa 2036cupsGetDests2(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
ef416fc2 2037 cups_dest_t **dests) /* O - Destinations */
2038{
7536de1a
MS		 2039 _cups_getdata_t data; /* Enumeration data */
2040 cups_dest_t *dest; /* Current destination */
ef416fc2 2041 const char *home; /* HOME environment variable */
b423cd4c 2042 char filename[1024]; /* Local ~/.cups/lpoptions file */
ef416fc2 2043 const char *defprinter; /* Default printer */
2044 char name[1024], /* Copy of printer name */
38e73f87
MS		 2045 *instance, /* Pointer to instance name */
2046 *user_default; /* User default printer */
ef416fc2 2047 int num_reals; /* Number of real queues */
2048 cups_dest_t *reals; /* Real queues */
3d052e43 2049 _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
ef416fc2 2050
2051
2052 /*
2053 * Range check the input...
2054 */
2055
3d052e43 2056 if (!dests)
1ff0402e 2057 {
cb7f98ee 2058 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad NULL dests pointer"), 1);
ef416fc2 2059 return (0);
c8fef167 2060 }
ef416fc2 2061
2062 /*
2063 * Grab the printers and classes...
2064 */
2065
7536de1a
MS		 2066 data.num_dests = 0;
2067 data.dests = NULL;
2068
f50db552 2069 cupsEnumDests(0, 1000, NULL, 0, 0, (cups_dest_cb_t)cups_get_cb, &data);
b19ccc9e 2070
cb7f98ee 2071 if (cupsLastError() >= IPP_STATUS_REDIRECTION_OTHER_SITE)
b19ccc9e 2072 {
7536de1a
MS		 2073 cupsFreeDests(data.num_dests, data.dests);
2074
b19ccc9e 2075 *dests = (cups_dest_t *)0;
7536de1a 2076
b19ccc9e
MS		 2077 return (0);
2078 }
ef416fc2 2079
2080 /*
2081 * Make a copy of the "real" queues for a later sanity check...
2082 */
2083
7536de1a 2084 if (data.num_dests > 0)
ef416fc2 2085 {
7536de1a 2086 num_reals = data.num_dests;
7e86f2f6 2087 reals = calloc((size_t)num_reals, sizeof(cups_dest_t));
ef416fc2 2088
2089 if (reals)
7536de1a 2090 memcpy(reals, data.dests, (size_t)num_reals * sizeof(cups_dest_t));
ef416fc2 2091 else
2092 num_reals = 0;
2093 }
2094 else
2095 {
2096 num_reals = 0;
2097 reals = NULL;
2098 }
2099
2100 /*
2101 * Grab the default destination...
2102 */
2103
38e73f87
MS		 2104 if ((user_default = _cupsUserDefault(name, sizeof(name))) != NULL)
2105 defprinter = name;
2106 else if ((defprinter = cupsGetDefault2(http)) != NULL)
2107 {
2108 strlcpy(name, defprinter, sizeof(name));
2109 defprinter = name;
2110 }
080811b1
MS		 2111
2112 if (defprinter)
ef416fc2 2113 {
2114 /*
38e73f87 2115 * Separate printer and instance name...
ef416fc2 2116 */
2117
ef416fc2 2118 if ((instance = strchr(name, '/')) != NULL)
2119 *instance++ = '\0';
2120
2121 /*
2122 * Lookup the printer and instance and make it the default...
2123 */
2124
7536de1a 2125 if ((dest = cupsGetDest(name, instance, data.num_dests, data.dests)) != NULL)
ef416fc2 2126 dest->is_default = 1;
2127 }
2128 else
ef416fc2 2129 instance = NULL;
ef416fc2 2130
2131 /*
b423cd4c 2132 * Load the /etc/cups/lpoptions and ~/.cups/lpoptions files...
ef416fc2 2133 */
2134
2135 snprintf(filename, sizeof(filename), "%s/lpoptions", cg->cups_serverroot);
7536de1a 2136 data.num_dests = cups_get_dests(filename, NULL, NULL, user_default != NULL, data.num_dests, &data.dests);
ef416fc2 2137
2138 if ((home = getenv("HOME")) != NULL)
2139 {
b423cd4c 2140 snprintf(filename, sizeof(filename), "%s/.cups/lpoptions", home);
b423cd4c 2141
7536de1a 2142 data.num_dests = cups_get_dests(filename, NULL, NULL, user_default != NULL, data.num_dests, &data.dests);
ef416fc2 2143 }
2144
2145 /*
2146 * Validate the current default destination - this prevents old
b423cd4c 2147 * Default lines in /etc/cups/lpoptions and ~/.cups/lpoptions from
ef416fc2 2148 * pointing to a non-existent printer or class...
2149 */
2150
2151 if (num_reals)
2152 {
2153 /*
2154 * See if we have a default printer...
2155 */
2156
7536de1a 2157 if ((dest = cupsGetDest(NULL, NULL, data.num_dests, data.dests)) != NULL)
ef416fc2 2158 {
2159 /*
2160 * Have a default; see if it is real...
2161 */
2162
5489ad43
MS		 2163 if (!cupsGetDest(dest->name, NULL, num_reals, reals))
2164 {
2165 /*
2166 * Remove the non-real printer from the list, since we don't want jobs
2167 * going to an unexpected printer... (<rdar://problem/14216472>)
2168 */
ef416fc2 2169
7536de1a 2170 data.num_dests = cupsRemoveDest(dest->name, dest->instance, data.num_dests, &data.dests);
5489ad43 2171 }
ef416fc2 2172 }
2173
2174 /*
2175 * Free memory...
2176 */
2177
2178 free(reals);
2179 }
2180
2181 /*
2182 * Return the number of destinations...
2183 */
2184
7536de1a
MS		 2185 *dests = data.dests;
2186
2187 if (data.num_dests > 0)
cb7f98ee 2188 _cupsSetError(IPP_STATUS_OK, NULL, 0);
1ff0402e 2189
7536de1a 2190 return (data.num_dests);
ef416fc2 2191}
2192
2193
a4924f6c
MS		 2194/*
2195 * 'cupsGetNamedDest()' - Get options for the named destination.
2196 *
2197 * This function is optimized for retrieving a single destination and should
98d88c8d
MS		 2198 * be used instead of @link cupsGetDests2@ and @link cupsGetDest@ when you
2199 * either know the name of the destination or want to print to the default
2200 * destination. If @code NULL@ is returned, the destination does not exist or
2201 * there is no default destination.
a4924f6c 2202 *
5a738aea
MS		 2203 * If "http" is @code CUPS_HTTP_DEFAULT@, the connection to the default print
2204 * server will be used.
a4924f6c 2205 *
5a738aea
MS		 2206 * If "name" is @code NULL@, the default printer for the current user will be
2207 * returned.
a4924f6c 2208 *
5a738aea
MS		 2209 * The returned destination must be freed using @link cupsFreeDests@ with a
2210 * "num_dests" value of 1.
a4924f6c 2211 *
8072030b 2212 * @since CUPS 1.4/macOS 10.6@
a4924f6c
MS		 2213 */
2214
5a738aea 2215cups_dest_t * /* O - Destination or @code NULL@ */
568fa3fa
MS		 2216cupsGetNamedDest(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
2217 const char *name, /* I - Destination name or @code NULL@ for the default destination */
5a738aea 2218 const char *instance) /* I - Instance name or @code NULL@ */
a4924f6c
MS		 2219{
2220 cups_dest_t *dest; /* Destination */
2221 char filename[1024], /* Path to lpoptions */
2222 defname[256]; /* Default printer name */
2223 const char *home = getenv("HOME"); /* Home directory */
38e73f87 2224 int set_as_default = 0; /* Set returned destination as default */
cb7f98ee 2225 ipp_op_t op = IPP_OP_GET_PRINTER_ATTRIBUTES;
a4924f6c
MS		 2226 /* IPP operation to get server ops */
2227 _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
2228
2229
2a75f21b 2230 DEBUG_printf(("cupsGetNamedDest(http=%p, name=\"%s\", instance=\"%s\")", (void *)http, name, instance));
4a366251 2231
a4924f6c
MS		 2232 /*
2233 * If "name" is NULL, find the default destination...
2234 */
2235
2236 if (!name)
2237 {
38e73f87
MS		 2238 set_as_default = 1;
2239 name = _cupsUserDefault(defname, sizeof(defname));
a4924f6c 2240
7cf5915e
MS		 2241 if (name)
2242 {
2243 char *ptr; /* Temporary pointer... */
2244
2245 if ((ptr = strchr(defname, '/')) != NULL)
2246 {
2247 *ptr++ = '\0';
2248 instance = ptr;
2249 }
2250 else
2251 instance = NULL;
2252 }
2253 else if (home)
a4924f6c
MS		 2254 {
2255 /*
2256 * No default in the environment, try the user's lpoptions files...
2257 */
2258
2259 snprintf(filename, sizeof(filename), "%s/.cups/lpoptions", home);
2260
5a6b583a 2261 name = cups_get_default(filename, defname, sizeof(defname), &instance);
a4924f6c
MS		 2262 }
2263
2264 if (!name)
2265 {
2266 /*
2267 * Still not there? Try the system lpoptions file...
2268 */
2269
2270 snprintf(filename, sizeof(filename), "%s/lpoptions",
2271 cg->cups_serverroot);
2272 name = cups_get_default(filename, defname, sizeof(defname), &instance);
2273 }
2274
2275 if (!name)
2276 {
2277 /*
2278 * No locally-set default destination, ask the server...
2279 */
2280
cb7f98ee 2281 op = IPP_OP_CUPS_GET_DEFAULT;
4a366251
MS		 2282
2283 DEBUG_puts("1cupsGetNamedDest: Asking server for default printer...");
a4924f6c 2284 }
4a366251
MS		 2285 else
2286 DEBUG_printf(("1cupsGetNamedDest: Using name=\"%s\"...", name));
a4924f6c
MS		 2287 }
2288
2289 /*
2290 * Get the printer's attributes...
2291 */
2292
f50db552 2293 if (!_cupsGetDests(http, op, name, &dest, 0, 0))
4a366251
MS		 2294 {
2295 if (name)
2296 {
2297 _cups_namedata_t data; /* Callback data */
2298
2299 DEBUG_puts("1cupsGetNamedDest: No queue found for printer, looking on network...");
2300
2301 data.name = name;
2302 data.dest = NULL;
2303
f50db552 2304 cupsEnumDests(0, 1000, NULL, 0, 0, (cups_dest_cb_t)cups_name_cb, &data);
4a366251
MS		 2305
2306 if (!data.dest)
2307 return (NULL);
2308
2309 dest = data.dest;
2310 }
2311 else
2312 return (NULL);
2313 }
2314
2a75f21b 2315 DEBUG_printf(("1cupsGetNamedDest: Got dest=%p", (void *)dest));
a4924f6c
MS		 2316
2317 if (instance)
2318 dest->instance = _cupsStrAlloc(instance);
2319
38e73f87
MS		 2320 if (set_as_default)
2321 dest->is_default = 1;
2322
a4924f6c
MS		 2323 /*
2324 * Then add local options...
2325 */
2326
2327 snprintf(filename, sizeof(filename), "%s/lpoptions", cg->cups_serverroot);
38e73f87 2328 cups_get_dests(filename, name, instance, 1, 1, &dest);
a4924f6c
MS		 2329
2330 if (home)
2331 {
2332 snprintf(filename, sizeof(filename), "%s/.cups/lpoptions", home);
2333
38e73f87 2334 cups_get_dests(filename, name, instance, 1, 1, &dest);
a4924f6c
MS		 2335 }
2336
2337 /*
2338 * Return the result...
2339 */
2340
2341 return (dest);
2342}
2343
2344
f7deaa1a 2345/*
2346 * 'cupsRemoveDest()' - Remove a destination from the destination list.
2347 *
2348 * Removing a destination/instance does not delete the class or printer
2349 * queue, merely the lpoptions for that destination/instance. Use the
5a738aea
MS		 2350 * @link cupsSetDests@ or @link cupsSetDests2@ functions to save the new
2351 * options for the user.
f7deaa1a 2352 *
8072030b 2353 * @since CUPS 1.3/macOS 10.5@
f7deaa1a 2354 */
2355
2356int /* O - New number of destinations */
2357cupsRemoveDest(const char *name, /* I - Destination name */
5a738aea 2358 const char *instance, /* I - Instance name or @code NULL@ */
f7deaa1a 2359 int num_dests, /* I - Number of destinations */
2360 cups_dest_t **dests) /* IO - Destinations */
2361{
2362 int i; /* Index into destinations */
2363 cups_dest_t *dest; /* Pointer to destination */
2364
2365
2366 /*
2367 * Find the destination...
2368 */
2369
2370 if ((dest = cupsGetDest(name, instance, num_dests, *dests)) == NULL)
2371 return (num_dests);
2372
2373 /*
2374 * Free memory...
2375 */
2376
2e4ff8af
MS		 2377 _cupsStrFree(dest->name);
2378 _cupsStrFree(dest->instance);
f7deaa1a 2379 cupsFreeOptions(dest->num_options, dest->options);
2380
2381 /*
2382 * Remove the destination from the array...
2383 */
2384
2385 num_dests --;
2386
7e86f2f6 2387 i = (int)(dest - *dests);
f7deaa1a 2388
2389 if (i < num_dests)
7e86f2f6 2390 memmove(dest, dest + 1, (size_t)(num_dests - i) * sizeof(cups_dest_t));
f7deaa1a 2391
2392 return (num_dests);
2393}
2394
2395
2396/*
3d052e43 2397 * 'cupsSetDefaultDest()' - Set the default destination.
f7deaa1a 2398 *
8072030b 2399 * @since CUPS 1.3/macOS 10.5@
f7deaa1a 2400 */
2401
2402void
2403cupsSetDefaultDest(
2404 const char *name, /* I - Destination name */
5a738aea 2405 const char *instance, /* I - Instance name or @code NULL@ */
f7deaa1a 2406 int num_dests, /* I - Number of destinations */
2407 cups_dest_t *dests) /* I - Destinations */
2408{
2409 int i; /* Looping var */
2410 cups_dest_t *dest; /* Current destination */
2411
2412
2413 /*
2414 * Range check input...
2415 */
2416
2417 if (!name || num_dests <= 0 || !dests)
2418 return;
2419
2420 /*
2421 * Loop through the array and set the "is_default" flag for the matching
2422 * destination...
2423 */
2424
2425 for (i = num_dests, dest = dests; i > 0; i --, dest ++)
88f9aafc 2426 dest->is_default = !_cups_strcasecmp(name, dest->name) &&
f7deaa1a 2427 ((!instance && !dest->instance) ||
2428 (instance && dest->instance &&
88f9aafc 2429 !_cups_strcasecmp(instance, dest->instance)));
f7deaa1a 2430}
2431
2432
ef416fc2 2433/*
2434 * 'cupsSetDests()' - Save the list of destinations for the default server.
2435 *
2436 * This function saves the destinations to /etc/cups/lpoptions when run
b423cd4c 2437 * as root and ~/.cups/lpoptions when run as a normal user.
98d88c8d
MS		 2438 *
2439 * @exclude all@
ef416fc2 2440 */
2441
2442void
2443cupsSetDests(int num_dests, /* I - Number of destinations */
2444 cups_dest_t *dests) /* I - Destinations */
2445{
3d052e43 2446 cupsSetDests2(CUPS_HTTP_DEFAULT, num_dests, dests);
ef416fc2 2447}
2448
2449
2450/*
2451 * 'cupsSetDests2()' - Save the list of destinations for the specified server.
2452 *
2453 * This function saves the destinations to /etc/cups/lpoptions when run
b423cd4c 2454 * as root and ~/.cups/lpoptions when run as a normal user.
ef416fc2 2455 *
8072030b 2456 * @since CUPS 1.1.21/macOS 10.4@
ef416fc2 2457 */
2458
2459int /* O - 0 on success, -1 on error */
568fa3fa 2460cupsSetDests2(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
ef416fc2 2461 int num_dests, /* I - Number of destinations */
2462 cups_dest_t *dests) /* I - Destinations */
2463{
2464 int i, j; /* Looping vars */
2465 int wrote; /* Wrote definition? */
2466 cups_dest_t *dest; /* Current destination */
2467 cups_option_t *option; /* Current option */
8ca02f3c 2468 _ipp_option_t *match; /* Matching attribute for option */
ef416fc2 2469 FILE *fp; /* File pointer */
b86bc4cf 2470#ifndef WIN32
ef416fc2 2471 const char *home; /* HOME environment variable */
b86bc4cf 2472#endif /* WIN32 */
ef416fc2 2473 char filename[1024]; /* lpoptions file */
2474 int num_temps; /* Number of temporary destinations */
82cc1f9a 2475 cups_dest_t *temps = NULL, /* Temporary destinations */
ef416fc2 2476 *temp; /* Current temporary dest */
2477 const char *val; /* Value of temporary option */
3d052e43 2478 _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */
ef416fc2 2479
2480
2481 /*
2482 * Range check the input...
2483 */
2484
3d052e43 2485 if (!num_dests || !dests)
ef416fc2 2486 return (-1);
2487
2488 /*
2489 * Get the server destinations...
2490 */
2491
f50db552 2492 num_temps = _cupsGetDests(http, IPP_OP_CUPS_GET_PRINTERS, NULL, &temps, 0, 0);
426c6a59 2493
cb7f98ee 2494 if (cupsLastError() >= IPP_STATUS_REDIRECTION_OTHER_SITE)
426c6a59
MS		 2495 {
2496 cupsFreeDests(num_temps, temps);
2497 return (-1);
2498 }
ef416fc2 2499
2500 /*
2501 * Figure out which file to write to...
2502 */
2503
2504 snprintf(filename, sizeof(filename), "%s/lpoptions", cg->cups_serverroot);
2505
2506#ifndef WIN32
2507 if (getuid())
2508 {
2509 /*
2510 * Merge in server defaults...
2511 */
2512
38e73f87 2513 num_temps = cups_get_dests(filename, NULL, NULL, 0, num_temps, &temps);
ef416fc2 2514
2515 /*
2516 * Point to user defaults...
2517 */
2518
2519 if ((home = getenv("HOME")) != NULL)
b423cd4c 2520 {
b423cd4c 2521 /*
2522 * Create ~/.cups subdirectory...
2523 */
2524
2525 snprintf(filename, sizeof(filename), "%s/.cups", home);
2526 if (access(filename, 0))
2527 mkdir(filename, 0700);
2528
2529 snprintf(filename, sizeof(filename), "%s/.cups/lpoptions", home);
2530 }
ef416fc2 2531 }
2532#endif /* !WIN32 */
2533
2534 /*
2535 * Try to open the file...
2536 */
2537
2538 if ((fp = fopen(filename, "w")) == NULL)
2539 {
2540 cupsFreeDests(num_temps, temps);
2541 return (-1);
2542 }
2543
d6ae789d 2544#ifndef WIN32
2545 /*
2546 * Set the permissions to 0644 when saving to the /etc/cups/lpoptions
2547 * file...
2548 */
2549
2550 if (!getuid())
2551 fchmod(fileno(fp), 0644);
2552#endif /* !WIN32 */
2553
ef416fc2 2554 /*
2555 * Write each printer; each line looks like:
2556 *
2557 * Dest name[/instance] options
2558 * Default name[/instance] options
2559 */
2560
2561 for (i = num_dests, dest = dests; i > 0; i --, dest ++)
2562 if (dest->instance != NULL || dest->num_options != 0 || dest->is_default)
2563 {
2564 if (dest->is_default)
2565 {
2566 fprintf(fp, "Default %s", dest->name);
2567 if (dest->instance)
2568 fprintf(fp, "/%s", dest->instance);
2569
2570 wrote = 1;
2571 }
2572 else
2573 wrote = 0;
2574
2575 if ((temp = cupsGetDest(dest->name, dest->instance, num_temps, temps)) == NULL)
2576 temp = cupsGetDest(dest->name, NULL, num_temps, temps);
2577
2578 for (j = dest->num_options, option = dest->options; j > 0; j --, option ++)
2579 {
8ca02f3c 2580 /*
2581 * See if this option is a printer attribute; if so, skip it...
2582 */
2583
2584 if ((match = _ippFindOption(option->name)) != NULL &&
2585 match->group_tag == IPP_TAG_PRINTER)
2586 continue;
2587
ef416fc2 2588 /*
2589 * See if the server/global options match these; if so, don't
2590 * write 'em.
2591 */
2592
8ca02f3c 2593 if (temp &&
2594 (val = cupsGetOption(option->name, temp->num_options,
2595 temp->options)) != NULL &&
88f9aafc 2596 !_cups_strcasecmp(val, option->value))
8ca02f3c 2597 continue;
ef416fc2 2598
2599 /*
2600 * Options don't match, write to the file...
2601 */
2602
2603 if (!wrote)
2604 {
2605 fprintf(fp, "Dest %s", dest->name);
2606 if (dest->instance)
2607 fprintf(fp, "/%s", dest->instance);
2608 wrote = 1;
2609 }
88f9aafc 2610
ef416fc2 2611 if (option->value[0])
2612 {
8ca02f3c 2613 if (strchr(option->value, ' ') ||
2614 strchr(option->value, '\\') ||
2615 strchr(option->value, '\"') ||
2616 strchr(option->value, '\''))
2617 {
2618 /*
2619 * Quote the value...
2620 */
2621
2622 fprintf(fp, " %s=\"", option->name);
2623
2624 for (val = option->value; *val; val ++)
2625 {
2626 if (strchr("\"\'\\", *val))
2627 putc('\\', fp);
2628
2629 putc(*val, fp);
2630 }
2631
2632 putc('\"', fp);
2633 }
2634 else
2635 {
2636 /*
2637 * Store the literal value...
2638 */
2639
ef416fc2 2640 fprintf(fp, " %s=%s", option->name, option->value);
8ca02f3c 2641 }
ef416fc2 2642 }
2643 else
2644 fprintf(fp, " %s", option->name);
2645 }
2646
2647 if (wrote)
2648 fputs("\n", fp);
2649 }
2650
2651 /*
fa73b229 2652 * Free the temporary destinations and close the file...
ef416fc2 2653 */
2654
2655 cupsFreeDests(num_temps, temps);
2656
fa73b229 2657 fclose(fp);
2658
080811b1
MS		 2659#ifdef __APPLE__
2660 /*
2661 * Set the default printer for this location - this allows command-line
2662 * and GUI applications to share the same default destination...
2663 */
2664
2665 if ((dest = cupsGetDest(NULL, NULL, num_dests, dests)) != NULL)
f14324a7
MS		 2666 {
2667 CFStringRef name = CFStringCreateWithCString(kCFAllocatorDefault,
2668 dest->name,
2669 kCFStringEncodingUTF8);
2670 /* Default printer name */
2671
2672 if (name)
2673 {
2674 _cupsAppleSetDefaultPrinter(name);
2675 CFRelease(name);
2676 }
2677 }
080811b1
MS		 2678#endif /* __APPLE__ */
2679
fa73b229 2680#ifdef HAVE_NOTIFY_POST
ef416fc2 2681 /*
d4874933 2682 * Send a notification so that macOS applications can know about the
fa73b229 2683 * change, too.
ef416fc2 2684 */
2685
fa73b229 2686 notify_post("com.apple.printerListChange");
2687#endif /* HAVE_NOTIFY_POST */
ef416fc2 2688
2689 return (0);
2690}
2691
2692
38e73f87
MS		 2693/*
2694 * '_cupsUserDefault()' - Get the user default printer from environment
2695 * variables and location information.
2696 */
2697
2698char * /* O - Default printer or NULL */
2699_cupsUserDefault(char *name, /* I - Name buffer */
2700 size_t namesize) /* I - Size of name buffer */
2701{
2702 const char *env; /* LPDEST or PRINTER env variable */
2703#ifdef __APPLE__
f14324a7 2704 CFStringRef locprinter; /* Last printer as this location */
38e73f87
MS		 2705#endif /* __APPLE__ */
2706
2707
2708 if ((env = getenv("LPDEST")) == NULL)
2709 if ((env = getenv("PRINTER")) != NULL && !strcmp(env, "lp"))
2710 env = NULL;
2711
2712 if (env)
2713 {
2714 strlcpy(name, env, namesize);
2715 return (name);
2716 }
2717
2718#ifdef __APPLE__
2719 /*
2720 * Use location-based defaults if "use last printer" is selected in the
2721 * system preferences...
2722 */
2723
f14324a7 2724 if ((locprinter = _cupsAppleCopyDefaultPrinter()) != NULL)
38e73f87 2725 {
7e86f2f6 2726 CFStringGetCString(locprinter, name, (CFIndex)namesize, kCFStringEncodingUTF8);
f14324a7
MS		 2727 CFRelease(locprinter);
2728 }
38e73f87
MS		 2729 else
2730 name[0] = '\0';
2731
f14324a7 2732 DEBUG_printf(("1_cupsUserDefault: Returning \"%s\".", name));
38e73f87
MS		 2733
2734 return (*name ? name : NULL);
2735
2736#else
2737 /*
2738 * No location-based defaults on this platform...
2739 */
2740
2741 name[0] = '\0';
2742 return (NULL);
2743#endif /* __APPLE__ */
2744}
2745
2746
9688061e 2747#if _CUPS_LOCATION_DEFAULTS
06d4e77b
MS		 2748/*
2749 * 'appleCopyLocations()' - Copy the location history array.
2750 */
2751
2752static CFArrayRef /* O - Location array or NULL */
2753appleCopyLocations(void)
2754{
2755 CFArrayRef locations; /* Location array */
2756
2757
2758 /*
2759 * Look up the location array in the preferences...
2760 */
2761
f14324a7
MS		 2762 if ((locations = CFPreferencesCopyAppValue(kLastUsedPrintersKey,
2763 kCUPSPrintingPrefs)) == NULL)
06d4e77b
MS		 2764 return (NULL);
2765
2766 if (CFGetTypeID(locations) != CFArrayGetTypeID())
2767 {
2768 CFRelease(locations);
2769 return (NULL);
2770 }
2771
2772 return (locations);
2773}
2774
2775
749b1e90
MS		 2776/*
2777 * 'appleCopyNetwork()' - Get the network ID for the current location.
2778 */
2779
2780static CFStringRef /* O - Network ID */
2781appleCopyNetwork(void)
2782{
2783 SCDynamicStoreRef dynamicStore; /* System configuration data */
2784 CFStringRef key; /* Current network configuration key */
2785 CFDictionaryRef ip_dict; /* Network configuration data */
2786 CFStringRef network = NULL; /* Current network ID */
88f9aafc 2787
749b1e90 2788
f14324a7 2789 if ((dynamicStore = SCDynamicStoreCreate(NULL, CFSTR("libcups"), NULL,
749b1e90
MS		 2790 NULL)) != NULL)
2791 {
f14324a7
MS		 2792 /*
2793 * First use the IPv6 router address, if available, since that will generally
2794 * be a globally-unique link-local address.
2795 */
2796
749b1e90 2797 if ((key = SCDynamicStoreKeyCreateNetworkGlobalEntity(
f14324a7 2798 NULL, kSCDynamicStoreDomainState, kSCEntNetIPv6)) != NULL)
749b1e90
MS		 2799 {
2800 if ((ip_dict = SCDynamicStoreCopyValue(dynamicStore, key)) != NULL)
2801 {
2802 if ((network = CFDictionaryGetValue(ip_dict,
f14324a7 2803 kSCPropNetIPv6Router)) != NULL)
749b1e90
MS		 2804 CFRetain(network);
2805
2806 CFRelease(ip_dict);
2807 }
2808
2809 CFRelease(key);
2810 }
2811
f14324a7
MS		 2812 /*
2813 * If that doesn't work, try the IPv4 router address. This isn't as unique
2814 * and will likely be a 10.x.y.z or 192.168.y.z address...
2815 */
2816
2817 if (!network)
2818 {
2819 if ((key = SCDynamicStoreKeyCreateNetworkGlobalEntity(
2820 NULL, kSCDynamicStoreDomainState, kSCEntNetIPv4)) != NULL)
2821 {
2822 if ((ip_dict = SCDynamicStoreCopyValue(dynamicStore, key)) != NULL)
2823 {
2824 if ((network = CFDictionaryGetValue(ip_dict,
2825 kSCPropNetIPv4Router)) != NULL)
2826 CFRetain(network);
2827
2828 CFRelease(ip_dict);
2829 }
2830
2831 CFRelease(key);
2832 }
2833 }
2834
749b1e90
MS		 2835 CFRelease(dynamicStore);
2836 }
2837
2838 return (network);
2839}
9688061e 2840#endif /* _CUPS_LOCATION_DEFAULTS */
749b1e90
MS		 2841
2842
9688061e 2843#ifdef __APPLE__
426c6a59
MS		 2844/*
2845 * 'appleGetPaperSize()' - Get the default paper size.
2846 */
2847
5a9febac 2848static char * /* O - Default paper size */
d649be59
MS		 2849appleGetPaperSize(char *name, /* I - Paper size name buffer */
2850 size_t namesize) /* I - Size of buffer */
426c6a59 2851{
54afec33 2852 CFStringRef defaultPaperID; /* Default paper ID */
6961465f 2853 pwg_media_t *pwgmedia; /* PWG media size */
426c6a59
MS		 2854
2855
c8fef167 2856 defaultPaperID = _cupsAppleCopyDefaultPaperID();
426c6a59 2857 if (!defaultPaperID ||
557dde9f 2858 CFGetTypeID(defaultPaperID) != CFStringGetTypeID() ||
d649be59 2859 !CFStringGetCString(defaultPaperID, name, (CFIndex)namesize, kCFStringEncodingUTF8))
426c6a59 2860 name[0] = '\0';
6961465f 2861 else if ((pwgmedia = pwgMediaForLegacy(name)) != NULL)
c168a833 2862 strlcpy(name, pwgmedia->pwg, namesize);
426c6a59
MS		 2863
2864 if (defaultPaperID)
2865 CFRelease(defaultPaperID);
2866
2867 return (name);
2868}
9688061e 2869#endif /* __APPLE__ */
426c6a59
MS		 2870
2871
9688061e 2872#if _CUPS_LOCATION_DEFAULTS
080811b1
MS		 2873/*
2874 * 'appleGetPrinter()' - Get a printer from the history array.
2875 */
2876
2877static CFStringRef /* O - Printer name or NULL */
2878appleGetPrinter(CFArrayRef locations, /* I - Location array */
2879 CFStringRef network, /* I - Network name */
2880 CFIndex *locindex) /* O - Index in array */
2881{
2882 CFIndex i, /* Looping var */
2883 count; /* Number of locations */
2884 CFDictionaryRef location; /* Current location */
2885 CFStringRef locnetwork, /* Current network */
2886 locprinter; /* Current printer */
2887
2888
2889 for (i = 0, count = CFArrayGetCount(locations); i < count; i ++)
2890 if ((location = CFArrayGetValueAtIndex(locations, i)) != NULL &&
2891 CFGetTypeID(location) == CFDictionaryGetTypeID())
2892 {
2893 if ((locnetwork = CFDictionaryGetValue(location,
2894 kLocationNetworkKey)) != NULL &&
2895 CFGetTypeID(locnetwork) == CFStringGetTypeID() &&
2896 CFStringCompare(network, locnetwork, 0) == kCFCompareEqualTo &&
2897 (locprinter = CFDictionaryGetValue(location,
2898 kLocationPrinterIDKey)) != NULL &&
2899 CFGetTypeID(locprinter) == CFStringGetTypeID())
2900 {
2901 if (locindex)
2902 *locindex = i;
2903
2904 return (locprinter);
2905 }
2906 }
2907
2908 return (NULL);
2909}
9688061e 2910#endif /* _CUPS_LOCATION_DEFAULTS */
080811b1
MS		 2911
2912
426c6a59
MS		 2913/*
2914 * 'cups_add_dest()' - Add a destination to the array.
2915 *
2916 * Unlike cupsAddDest(), this function does not check for duplicates.
2917 */
2918
2919static cups_dest_t * /* O - New destination */
2920cups_add_dest(const char *name, /* I - Name of destination */
2921 const char *instance, /* I - Instance or NULL */
2922 int *num_dests, /* IO - Number of destinations */
2923 cups_dest_t **dests) /* IO - Destinations */
2924{
2925 int insert, /* Insertion point */
2926 diff; /* Result of comparison */
2927 cups_dest_t *dest; /* Destination pointer */
2928
2929
2930 /*
2931 * Add new destination...
2932 */
2933
2934 if (*num_dests == 0)
2935 dest = malloc(sizeof(cups_dest_t));
2936 else
7e86f2f6 2937 dest = realloc(*dests, sizeof(cups_dest_t) * (size_t)(*num_dests + 1));
426c6a59
MS		 2938
2939 if (!dest)
2940 return (NULL);
2941
2942 *dests = dest;
2943
2944 /*
2945 * Find where to insert the destination...
2946 */
2947
2948 if (*num_dests == 0)
2949 insert = 0;
2950 else
2951 {
2952 insert = cups_find_dest(name, instance, *num_dests, *dests, *num_dests - 1,
2953 &diff);
2954
2955 if (diff > 0)
2956 insert ++;
2957 }
2958
2959 /*
2960 * Move the array elements as needed...
2961 */
2962
2963 if (insert < *num_dests)
7e86f2f6 2964 memmove(*dests + insert + 1, *dests + insert, (size_t)(*num_dests - insert) * sizeof(cups_dest_t));
426c6a59
MS		 2965
2966 (*num_dests) ++;
2967
2968 /*
2969 * Initialize the destination...
2970 */
2971
2972 dest = *dests + insert;
2973 dest->name = _cupsStrAlloc(name);
2974 dest->instance = _cupsStrAlloc(instance);
2975 dest->is_default = 0;
2976 dest->num_options = 0;
2977 dest->options = (cups_option_t *)0;
2978
2979 return (dest);
2980}
2981
2982
9c80ffa2
MS		 2983# ifdef __BLOCKS__
2984/*
2985 * 'cups_block_cb()' - Enumeration callback for block API.
2986 */
2987
2988static int /* O - 1 to continue, 0 to stop */
2989cups_block_cb(
2990 cups_dest_block_t block, /* I - Block */
dcb445bc
MS		 2991 unsigned flags, /* I - Destination flags */
2992 cups_dest_t *dest) /* I - Destination */
9c80ffa2 2993{
dcb445bc 2994 return ((block)(flags, dest));
9c80ffa2
MS		 2995}
2996# endif /* __BLOCKS__ */
2997
2998
426c6a59
MS		 2999/*
3000 * 'cups_compare_dests()' - Compare two destinations.
3001 */
3002
3003static int /* O - Result of comparison */
3004cups_compare_dests(cups_dest_t *a, /* I - First destination */
3005 cups_dest_t *b) /* I - Second destination */
3006{
3007 int diff; /* Difference */
3008
3009
88f9aafc 3010 if ((diff = _cups_strcasecmp(a->name, b->name)) != 0)
426c6a59
MS		 3011 return (diff);
3012 else if (a->instance && b->instance)
88f9aafc 3013 return (_cups_strcasecmp(a->instance, b->instance));
426c6a59
MS		 3014 else
3015 return ((a->instance && !b->instance) - (!a->instance && b->instance));
3016}
3017
3018
a29fd7dd
MS		 3019#if defined(HAVE_DNSSD) || defined(HAVE_AVAHI)
3020# ifdef HAVE_DNSSD
dcb445bc
MS		 3021/*
3022 * 'cups_dnssd_browse_cb()' - Browse for printers.
3023 */
3024
3025static void
3026cups_dnssd_browse_cb(
3027 DNSServiceRef sdRef, /* I - Service reference */
3028 DNSServiceFlags flags, /* I - Option flags */
3029 uint32_t interfaceIndex, /* I - Interface number */
3030 DNSServiceErrorType errorCode, /* I - Error, if any */
3031 const char *serviceName, /* I - Name of service/device */
3032 const char *regtype, /* I - Type of service */
3033 const char *replyDomain, /* I - Service domain */
3034 void *context) /* I - Enumeration data */
3035{
3036 _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context;
3037 /* Enumeration data */
3038
3039
807315e6 3040 DEBUG_printf(("5cups_dnssd_browse_cb(sdRef=%p, flags=%x, interfaceIndex=%d, errorCode=%d, serviceName=\"%s\", regtype=\"%s\", replyDomain=\"%s\", context=%p)", (void *)sdRef, flags, interfaceIndex, errorCode, serviceName, regtype, replyDomain, context));
dcb445bc
MS		 3041
3042 /*
3043 * Don't do anything on error...
3044 */
3045
3046 if (errorCode != kDNSServiceErr_NoError)
3047 return;
3048
3049 /*
3050 * Get the device...
3051 */
3052
3053 cups_dnssd_get_device(data, serviceName, regtype, replyDomain);
3054}
3055
3056
a29fd7dd
MS		 3057# else /* HAVE_AVAHI */
3058/*
3059 * 'cups_dnssd_browse_cb()' - Browse for printers.
3060 */
3061
3062static void
3063cups_dnssd_browse_cb(
3064 AvahiServiceBrowser *browser, /* I - Browser */
3065 AvahiIfIndex interface, /* I - Interface index (unused) */
3066 AvahiProtocol protocol, /* I - Network protocol (unused) */
3067 AvahiBrowserEvent event, /* I - What happened */
3068 const char *name, /* I - Service name */
3069 const char *type, /* I - Registration type */
3070 const char *domain, /* I - Domain */
3071 AvahiLookupResultFlags flags, /* I - Flags */
3072 void *context) /* I - Devices array */
3073{
37e7e6e0 3074#ifdef DEBUG
a29fd7dd
MS		 3075 AvahiClient *client = avahi_service_browser_get_client(browser);
3076 /* Client information */
37e7e6e0 3077#endif /* DEBUG */
a29fd7dd
MS		 3078 _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context;
3079 /* Enumeration data */
3080
3081
3082 (void)interface;
3083 (void)protocol;
3084 (void)context;
3085
657c5b5f
MS		 3086 DEBUG_printf(("cups_dnssd_browse_cb(..., name=\"%s\", type=\"%s\", domain=\"%s\", ...);", name, type, domain));
3087
a29fd7dd
MS		 3088 switch (event)
3089 {
3090 case AVAHI_BROWSER_FAILURE:
657c5b5f 3091 DEBUG_printf(("cups_dnssd_browse_cb: %s", avahi_strerror(avahi_client_errno(client))));
a29fd7dd
MS		 3092 avahi_simple_poll_quit(data->simple_poll);
3093 break;
3094
3095 case AVAHI_BROWSER_NEW:
3096 /*
3097 * This object is new on the network.
3098 */
3099
3100 if (flags & AVAHI_LOOKUP_RESULT_LOCAL)
3101 {
3102 /*
3103 * This comes from the local machine so ignore it.
3104 */
3105
657c5b5f 3106 DEBUG_printf(("cups_dnssd_browse_cb: Ignoring local service \"%s\".", name));
a29fd7dd
MS		 3107 }
3108 else
3109 {
3110 /*
3111 * Create a device entry for it if it doesn't yet exist.
3112 */
3113
3114 cups_dnssd_get_device(data, name, type, domain);
3115 }
3116 break;
3117
657c5b5f
MS		 3118 case AVAHI_BROWSER_REMOVE :
3119 case AVAHI_BROWSER_CACHE_EXHAUSTED :
3120 break;
3121
3122 case AVAHI_BROWSER_ALL_FOR_NOW :
3123 DEBUG_puts("cups_dnssd_browse_cb: ALL_FOR_NOW");
3124 data->browsers --;
a29fd7dd
MS		 3125 break;
3126 }
3127}
3128
3129
3130/*
3131 * 'cups_dnssd_client_cb()' - Avahi client callback function.
3132 */
3133
3134static void
3135cups_dnssd_client_cb(
3136 AvahiClient *client, /* I - Client information (unused) */
3137 AvahiClientState state, /* I - Current state */
3138 void *context) /* I - User data (unused) */
3139{
3140 _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context;
3141 /* Enumeration data */
3142
3143
3144 (void)client;
3145
657c5b5f
MS		 3146 DEBUG_printf(("cups_dnssd_client_cb(client=%p, state=%d, context=%p)", client, state, context));
3147
a29fd7dd
MS		 3148 /*
3149 * If the connection drops, quit.
3150 */
3151
3152 if (state == AVAHI_CLIENT_FAILURE)
3153 {
3154 DEBUG_puts("cups_dnssd_client_cb: Avahi connection failed.");
3155 avahi_simple_poll_quit(data->simple_poll);
3156 }
3157}
3158# endif /* HAVE_DNSSD */
3159
3160
dcb445bc
MS		 3161/*
3162 * 'cups_dnssd_compare_device()' - Compare two devices.
3163 */
3164
3165static int /* O - Result of comparison */
3166cups_dnssd_compare_devices(
3167 _cups_dnssd_device_t *a, /* I - First device */
3168 _cups_dnssd_device_t *b) /* I - Second device */
3169{
3170 return (strcmp(a->dest.name, b->dest.name));
3171}
3172
3173
3174/*
3175 * 'cups_dnssd_free_device()' - Free the memory used by a device.
3176 */
3177
3178static void
3179cups_dnssd_free_device(
3180 _cups_dnssd_device_t *device, /* I - Device */
3181 _cups_dnssd_data_t *data) /* I - Enumeration data */
3182{
807315e6 3183 DEBUG_printf(("5cups_dnssd_free_device(device=%p(%s), data=%p)", (void *)device, device->dest.name, (void *)data));
dcb445bc 3184
a29fd7dd 3185# ifdef HAVE_DNSSD
dcb445bc
MS		 3186 if (device->ref)
3187 DNSServiceRefDeallocate(device->ref);
a29fd7dd
MS		 3188# else /* HAVE_AVAHI */
3189 if (device->ref)
3190 avahi_record_browser_free(device->ref);
3191# endif /* HAVE_DNSSD */
dcb445bc
MS		 3192
3193 _cupsStrFree(device->domain);
3194 _cupsStrFree(device->fullName);
3195 _cupsStrFree(device->regtype);
3196 _cupsStrFree(device->dest.name);
3197
3198 cupsFreeOptions(device->dest.num_options, device->dest.options);
3199
3200 free(device);
3201}
3202
3203
3204/*
3205 * 'cups_dnssd_get_device()' - Lookup a device and create it as needed.
3206 */
3207
3208static _cups_dnssd_device_t * /* O - Device */
3209cups_dnssd_get_device(
3210 _cups_dnssd_data_t *data, /* I - Enumeration data */
3211 const char *serviceName, /* I - Service name */
3212 const char *regtype, /* I - Registration type */
3213 const char *replyDomain) /* I - Domain name */
3214{
3215 _cups_dnssd_device_t key, /* Search key */
3216 *device; /* Device */
a2187a63 3217 char fullName[kDNSServiceMaxDomainName],
dcb445bc 3218 /* Full name for query */
a2187a63 3219 name[128]; /* Queue name */
dcb445bc
MS		 3220
3221
807315e6 3222 DEBUG_printf(("5cups_dnssd_get_device(data=%p, serviceName=\"%s\", regtype=\"%s\", replyDomain=\"%s\")", (void *)data, serviceName, regtype, replyDomain));
dcb445bc
MS		 3223
3224 /*
3225 * See if this is an existing device...
3226 */
3227
efa72f61 3228 cups_queue_name(name, serviceName, sizeof(name));
a2187a63
MS		 3229
3230 key.dest.name = name;
dcb445bc
MS		 3231
3232 if ((device = cupsArrayFind(data->devices, &key)) != NULL)
3233 {
3234 /*
3235 * Yes, see if we need to do anything with this...
3236 */
3237
3238 int update = 0; /* Non-zero if we need to update */
3239
3240 if (!_cups_strcasecmp(replyDomain, "local.") &&
3241 _cups_strcasecmp(device->domain, replyDomain))
3242 {
3243 /*
3244 * Update the "global" listing to use the .local domain name instead.
3245 */
3246
3247 _cupsStrFree(device->domain);
3248 device->domain = _cupsStrAlloc(replyDomain);
3249
3250 DEBUG_printf(("6cups_dnssd_get_device: Updating '%s' to use local "
3251 "domain.", device->dest.name));
3252
3253 update = 1;
3254 }
3255
3256 if (!_cups_strcasecmp(regtype, "_ipps._tcp") &&
3257 _cups_strcasecmp(device->regtype, regtype))
3258 {
3259 /*
3260 * Prefer IPPS over IPP.
3261 */
3262
3263 _cupsStrFree(device->regtype);
3264 device->regtype = _cupsStrAlloc(regtype);
3265
3266 DEBUG_printf(("6cups_dnssd_get_device: Updating '%s' to use IPPS.",
3267 device->dest.name));
3268
3269 update = 1;
3270 }
3271
3272 if (!update)
3273 {
3274 DEBUG_printf(("6cups_dnssd_get_device: No changes to '%s'.",
3275 device->dest.name));
3276 return (device);
3277 }
3278 }
3279 else
3280 {
3281 /*
3282 * No, add the device...
3283 */
3284
3285 DEBUG_printf(("6cups_dnssd_get_device: Adding '%s' for %s with domain "
3286 "'%s'.", serviceName,
3287 !strcmp(regtype, "_ipps._tcp") ? "IPPS" : "IPP",
3288 replyDomain));
3289
3290 device = calloc(sizeof(_cups_dnssd_device_t), 1);
a2187a63 3291 device->dest.name = _cupsStrAlloc(name);
dcb445bc
MS		 3292 device->domain = _cupsStrAlloc(replyDomain);
3293 device->regtype = _cupsStrAlloc(regtype);
3294
a2187a63
MS		 3295 device->dest.num_options = cupsAddOption("printer-info", serviceName, 0, &device->dest.options);
3296
dcb445bc
MS		 3297 cupsArrayAdd(data->devices, device);
3298 }
3299
3300 /*
3301 * Set the "full name" of this service, which is used for queries...
3302 */
3303
a29fd7dd 3304# ifdef HAVE_DNSSD
a2187a63 3305 DNSServiceConstructFullName(fullName, serviceName, regtype, replyDomain);
a29fd7dd 3306# else /* HAVE_AVAHI */
a2187a63 3307 avahi_service_name_join(fullName, kDNSServiceMaxDomainName, serviceName, regtype, replyDomain);
a29fd7dd
MS		 3308# endif /* HAVE_DNSSD */
3309
dcb445bc
MS		 3310 _cupsStrFree(device->fullName);
3311 device->fullName = _cupsStrAlloc(fullName);
3312
3313 if (device->ref)
3314 {
a29fd7dd 3315# ifdef HAVE_DNSSD
dcb445bc 3316 DNSServiceRefDeallocate(device->ref);
a29fd7dd
MS		 3317# else /* HAVE_AVAHI */
3318 avahi_record_browser_free(device->ref);
3319# endif /* HAVE_DNSSD */
3320
dcb445bc
MS		 3321 device->ref = 0;
3322 }
3323
3324 if (device->state == _CUPS_DNSSD_ACTIVE)
3325 {
a2187a63
MS		 3326 DEBUG_printf(("6cups_dnssd_get_device: Remove callback for \"%s\".", device->dest.name));
3327
dcb445bc
MS		 3328 (*data->cb)(data->user_data, CUPS_DEST_FLAGS_REMOVED, &device->dest);
3329 device->state = _CUPS_DNSSD_NEW;
3330 }
3331
3332 return (device);
3333}
3334
3335
a29fd7dd 3336# ifdef HAVE_DNSSD
dcb445bc
MS		 3337/*
3338 * 'cups_dnssd_local_cb()' - Browse for local printers.
3339 */
3340
3341static void
3342cups_dnssd_local_cb(
3343 DNSServiceRef sdRef, /* I - Service reference */
3344 DNSServiceFlags flags, /* I - Option flags */
3345 uint32_t interfaceIndex, /* I - Interface number */
3346 DNSServiceErrorType errorCode, /* I - Error, if any */
3347 const char *serviceName, /* I - Name of service/device */
3348 const char *regtype, /* I - Type of service */
3349 const char *replyDomain, /* I - Service domain */
3350 void *context) /* I - Devices array */
3351{
3352 _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context;
3353 /* Enumeration data */
3354 _cups_dnssd_device_t *device; /* Device */
3355
3356
807315e6 3357 DEBUG_printf(("5cups_dnssd_local_cb(sdRef=%p, flags=%x, interfaceIndex=%d, errorCode=%d, serviceName=\"%s\", regtype=\"%s\", replyDomain=\"%s\", context=%p)", (void *)sdRef, flags, interfaceIndex, errorCode, serviceName, regtype, replyDomain, context));
dcb445bc
MS		 3358
3359 /*
3360 * Only process "add" data...
3361 */
3362
3363 if (errorCode != kDNSServiceErr_NoError || !(flags & kDNSServiceFlagsAdd))
3364 return;
3365
3366 /*
3367 * Get the device...
3368 */
3369
3370 device = cups_dnssd_get_device(data, serviceName, regtype, replyDomain);
3371
3372 /*
3373 * Hide locally-registered devices...
3374 */
3375
3376 DEBUG_printf(("6cups_dnssd_local_cb: Hiding local printer '%s'.",
3377 serviceName));
3378
3379 if (device->ref)
3380 {
3381 DNSServiceRefDeallocate(device->ref);
3382 device->ref = 0;
3383 }
3384
3385 if (device->state == _CUPS_DNSSD_ACTIVE)
a2187a63
MS		 3386 {
3387 DEBUG_printf(("6cups_dnssd_local_cb: Remove callback for \"%s\".", device->dest.name));
dcb445bc 3388 (*data->cb)(data->user_data, CUPS_DEST_FLAGS_REMOVED, &device->dest);
a2187a63 3389 }
dcb445bc
MS		 3390
3391 device->state = _CUPS_DNSSD_LOCAL;
3392}
a29fd7dd
MS		 3393# endif /* HAVE_DNSSD */
3394
3395
3396# ifdef HAVE_AVAHI
3397/*
3398 * 'cups_dnssd_poll_cb()' - Wait for input on the specified file descriptors.
3399 *
3400 * Note: This function is needed because avahi_simple_poll_iterate is broken
3401 * and always uses a timeout of 0 (!) milliseconds.
ac032efa 3402 * (https://github.com/lathiat/avahi/issues/127)
53af7f21
MS		 3403 *
3404 * @private@
a29fd7dd
MS		 3405 */
3406
3407static int /* O - Number of file descriptors matching */
3408cups_dnssd_poll_cb(
3409 struct pollfd *pollfds, /* I - File descriptors */
3410 unsigned int num_pollfds, /* I - Number of file descriptors */
3411 int timeout, /* I - Timeout in milliseconds (unused) */
3412 void *context) /* I - User data (unused) */
3413{
3414 _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context;
3415 /* Enumeration data */
3416 int val; /* Return value */
3417
3418
657c5b5f
MS		 3419 DEBUG_printf(("cups_dnssd_poll_cb(pollfds=%p, num_pollfds=%d, timeout=%d, context=%p)", pollfds, num_pollfds, timeout, context));
3420
a29fd7dd
MS		 3421 (void)timeout;
3422
3fae3b33 3423 val = poll(pollfds, num_pollfds, _CUPS_DNSSD_MAXTIME);
657c5b5f
MS		 3424
3425 DEBUG_printf(("cups_dnssd_poll_cb: poll() returned %d", val));
a29fd7dd
MS		 3426
3427 if (val < 0)
3428 {
3429 DEBUG_printf(("cups_dnssd_poll_cb: %s", strerror(errno)));
3430 }
3431 else if (val > 0)
657c5b5f 3432 {
a29fd7dd 3433 data->got_data = 1;
657c5b5f 3434 }
a29fd7dd
MS		 3435
3436 return (val);
3437}
3438# endif /* HAVE_AVAHI */
dcb445bc
MS		 3439
3440
3441/*
3442 * 'cups_dnssd_query_cb()' - Process query data.
3443 */
3444
a29fd7dd 3445# ifdef HAVE_DNSSD
dcb445bc
MS		 3446static void
3447cups_dnssd_query_cb(
3448 DNSServiceRef sdRef, /* I - Service reference */
3449 DNSServiceFlags flags, /* I - Data flags */
3450 uint32_t interfaceIndex, /* I - Interface */
3451 DNSServiceErrorType errorCode, /* I - Error, if any */
3452 const char *fullName, /* I - Full service name */
3453 uint16_t rrtype, /* I - Record type */
3454 uint16_t rrclass, /* I - Record class */
3455 uint16_t rdlen, /* I - Length of record data */
3456 const void *rdata, /* I - Record data */
3457 uint32_t ttl, /* I - Time-to-live */
3458 void *context) /* I - Enumeration data */
3459{
a29fd7dd
MS		 3460# else /* HAVE_AVAHI */
3461static void
3462cups_dnssd_query_cb(
3463 AvahiRecordBrowser *browser, /* I - Record browser */
3464 AvahiIfIndex interfaceIndex,
3465 /* I - Interface index (unused) */
3466 AvahiProtocol protocol, /* I - Network protocol (unused) */
3467 AvahiBrowserEvent event, /* I - What happened? */
3468 const char *fullName, /* I - Service name */
3469 uint16_t rrclass, /* I - Record class */
3470 uint16_t rrtype, /* I - Record type */
3471 const void *rdata, /* I - TXT record */
3472 size_t rdlen, /* I - Length of TXT record */
3473 AvahiLookupResultFlags flags, /* I - Flags */
3474 void *context) /* I - Enumeration data */
3475{
37e7e6e0 3476# ifdef DEBUG
a29fd7dd
MS		 3477 AvahiClient *client = avahi_record_browser_get_client(browser);
3478 /* Client information */
37e7e6e0 3479# endif /* DEBUG */
a29fd7dd 3480# endif /* HAVE_DNSSD */
dcb445bc
MS		 3481 _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context;
3482 /* Enumeration data */
a2187a63
MS		 3483 char serviceName[256],/* Service name */
3484 name[128], /* Queue name */
dcb445bc
MS		 3485 *ptr; /* Pointer into string */
3486 _cups_dnssd_device_t dkey, /* Search key */
3487 *device; /* Device */
3488
3489
a29fd7dd 3490# ifdef HAVE_DNSSD
807315e6 3491 DEBUG_printf(("5cups_dnssd_query_cb(sdRef=%p, flags=%x, interfaceIndex=%d, errorCode=%d, fullName=\"%s\", rrtype=%u, rrclass=%u, rdlen=%u, rdata=%p, ttl=%u, context=%p)", (void *)sdRef, flags, interfaceIndex, errorCode, fullName, rrtype, rrclass, rdlen, rdata, ttl, context));
dcb445bc
MS		 3492
3493 /*
3494 * Only process "add" data...
3495 */
3496
3497 if (errorCode != kDNSServiceErr_NoError || !(flags & kDNSServiceFlagsAdd))
3498 return;
3499
a29fd7dd 3500# else /* HAVE_AVAHI */
657c5b5f 3501 DEBUG_printf(("cups_dnssd_query_cb(browser=%p, interfaceIndex=%d, protocol=%d, event=%d, fullName=\"%s\", rrclass=%u, rrtype=%u, rdata=%p, rdlen=%u, flags=%x, context=%p)", browser, interfaceIndex, protocol, event, fullName, rrclass, rrtype, rdata, (unsigned)rdlen, flags, context));
a29fd7dd
MS		 3502
3503 /*
3504 * Only process "add" data...
3505 */
3506
3507 if (event != AVAHI_BROWSER_NEW)
3508 {
3509 if (event == AVAHI_BROWSER_FAILURE)
657c5b5f 3510 DEBUG_printf(("cups_dnssd_query_cb: %s", avahi_strerror(avahi_client_errno(client))));
a29fd7dd
MS		 3511
3512 return;
3513 }
3514# endif /* HAVE_DNSSD */
3515
dcb445bc
MS		 3516 /*
3517 * Lookup the service in the devices array.
3518 */
3519
a2187a63 3520 cups_dnssd_unquote(serviceName, fullName, sizeof(serviceName));
dcb445bc 3521
a2187a63 3522 if ((ptr = strstr(serviceName, "._")) != NULL)
dcb445bc
MS		 3523 *ptr = '\0';
3524
efa72f61 3525 cups_queue_name(name, serviceName, sizeof(name));
a2187a63
MS		 3526
3527 dkey.dest.name = name;
3528
3529 if ((device = cupsArrayFind(data->devices, &dkey)) != NULL && device->state == _CUPS_DNSSD_NEW)
dcb445bc
MS		 3530 {
3531 /*
a29fd7dd 3532 * Found it, pull out the make and model from the TXT record and save it...
dcb445bc
MS		 3533 */
3534
3535 const uint8_t *txt, /* Pointer into data */
3536 *txtnext, /* Next key/value pair */
3537 *txtend; /* End of entire TXT record */
3538 uint8_t txtlen; /* Length of current key/value pair */
3539 char key[256], /* Key string */
3540 value[256], /* Value string */
3541 make_and_model[512],
3542 /* Manufacturer and model */
3543 model[256], /* Model */
3544 uriname[1024], /* Name for URI */
3545 uri[1024]; /* Printer URI */
f50db552 3546 cups_ptype_t type = CUPS_PRINTER_DISCOVERED | CUPS_PRINTER_BW;
a29fd7dd
MS		 3547 /* Printer type */
3548 int saw_printer_type = 0;
3549 /* Did we see a printer-type key? */
dcb445bc
MS		 3550
3551 device->state = _CUPS_DNSSD_PENDING;
3552 make_and_model[0] = '\0';
dcb445bc 3553
5a9febac 3554 strlcpy(model, "Unknown", sizeof(model));
dcb445bc
MS		 3555
3556 for (txt = rdata, txtend = txt + rdlen;
3557 txt < txtend;
3558 txt = txtnext)
3559 {
3560 /*
3561 * Read a key/value pair starting with an 8-bit length. Since the
3562 * length is 8 bits and the size of the key/value buffers is 256, we
3563 * don't need to check for overflow...
3564 */
3565
3566 txtlen = *txt++;
3567
3568 if (!txtlen || (txt + txtlen) > txtend)
3569 break;
3570
3571 txtnext = txt + txtlen;
3572
3573 for (ptr = key; txt < txtnext && *txt != '='; txt ++)
7e86f2f6 3574 *ptr++ = (char)*txt;
dcb445bc
MS		 3575 *ptr = '\0';
3576
3577 if (txt < txtnext && *txt == '=')
3578 {
3579 txt ++;
3580
3581 if (txt < txtnext)
07623986 3582 memcpy(value, txt, (size_t)(txtnext - txt));
dcb445bc
MS		 3583 value[txtnext - txt] = '\0';
3584
3585 DEBUG_printf(("6cups_dnssd_query_cb: %s=%s", key, value));
3586 }
3587 else
3588 {
3589 DEBUG_printf(("6cups_dnssd_query_cb: '%s' with no value.", key));
3590 continue;
3591 }
3592
3593 if (!_cups_strcasecmp(key, "usb_MFG") ||
3594 !_cups_strcasecmp(key, "usb_MANU") ||
3595 !_cups_strcasecmp(key, "usb_MANUFACTURER"))
5a9febac 3596 strlcpy(make_and_model, value, sizeof(make_and_model));
dcb445bc
MS		 3597 else if (!_cups_strcasecmp(key, "usb_MDL") ||
3598 !_cups_strcasecmp(key, "usb_MODEL"))
5a9febac 3599 strlcpy(model, value, sizeof(model));
dcb445bc
MS		 3600 else if (!_cups_strcasecmp(key, "product") && !strstr(value, "Ghostscript"))
3601 {
3602 if (value[0] == '(')
3603 {
3604 /*
3605 * Strip parenthesis...
3606 */
3607
3608 if ((ptr = value + strlen(value) - 1) > value && *ptr == ')')
3609 *ptr = '\0';
3610
5a9febac 3611 strlcpy(model, value + 1, sizeof(model));
dcb445bc
MS		 3612 }
3613 else
5a9febac 3614 strlcpy(model, value, sizeof(model));
dcb445bc
MS		 3615 }
3616 else if (!_cups_strcasecmp(key, "ty"))
3617 {
5a9febac 3618 strlcpy(model, value, sizeof(model));
dcb445bc
MS		 3619
3620 if ((ptr = strchr(model, ',')) != NULL)
3621 *ptr = '\0';
3622 }
a29fd7dd
MS		 3623 else if (!_cups_strcasecmp(key, "note"))
3624 device->dest.num_options = cupsAddOption("printer-location", value,
3625 device->dest.num_options,
3626 &device->dest.options);
3627 else if (!_cups_strcasecmp(key, "pdl"))
3628 {
3629 /*
3630 * Look for PDF-capable printers; only PDF-capable printers are shown.
3631 */
3632
3633 const char *start, *next; /* Pointer into value */
46385a1a
MS		 3634 int have_pdf = 0, /* Have PDF? */
3635 have_raster = 0;/* Have raster format support? */
a29fd7dd
MS		 3636
3637 for (start = value; start && *start; start = next)
3638 {
46385a1a 3639 if (!_cups_strncasecmp(start, "application/pdf", 15) && (!start[15] || start[15] == ','))
a29fd7dd
MS		 3640 {
3641 have_pdf = 1;
3642 break;
3643 }
46385a1a
MS		 3644 else if ((!_cups_strncasecmp(start, "image/pwg-raster", 16) && (!start[16] || start[16] == ',')) ||
3645 (!_cups_strncasecmp(start, "image/urf", 9) && (!start[9] || start[9] == ',')))
3646 {
3647 have_raster = 1;
3648 break;
3649 }
a29fd7dd
MS		 3650
3651 if ((next = strchr(start, ',')) != NULL)
3652 next ++;
3653 }
3654
46385a1a 3655 if (!have_pdf && !have_raster)
a29fd7dd
MS		 3656 device->state = _CUPS_DNSSD_INCOMPATIBLE;
3657 }
dcb445bc
MS		 3658 else if (!_cups_strcasecmp(key, "printer-type"))
3659 {
a29fd7dd
MS		 3660 /*
3661 * Value is either NNNN or 0xXXXX
3662 */
3663
3664 saw_printer_type = 1;
f50db552 3665 type = (cups_ptype_t)strtol(value, NULL, 0) | CUPS_PRINTER_DISCOVERED;
a29fd7dd
MS		 3666 }
3667 else if (!saw_printer_type)
3668 {
3669 if (!_cups_strcasecmp(key, "air") &&
3670 !_cups_strcasecmp(value, "t"))
3671 type |= CUPS_PRINTER_AUTHENTICATED;
3672 else if (!_cups_strcasecmp(key, "bind") &&
3673 !_cups_strcasecmp(value, "t"))
3674 type |= CUPS_PRINTER_BIND;
3675 else if (!_cups_strcasecmp(key, "collate") &&
3676 !_cups_strcasecmp(value, "t"))
3677 type |= CUPS_PRINTER_COLLATE;
3678 else if (!_cups_strcasecmp(key, "color") &&
3679 !_cups_strcasecmp(value, "t"))
3680 type |= CUPS_PRINTER_COLOR;
3681 else if (!_cups_strcasecmp(key, "copies") &&
3682 !_cups_strcasecmp(value, "t"))
3683 type |= CUPS_PRINTER_COPIES;
3684 else if (!_cups_strcasecmp(key, "duplex") &&
3685 !_cups_strcasecmp(value, "t"))
3686 type |= CUPS_PRINTER_DUPLEX;
3687 else if (!_cups_strcasecmp(key, "fax") &&
3688 !_cups_strcasecmp(value, "t"))
3689 type |= CUPS_PRINTER_MFP;
3690 else if (!_cups_strcasecmp(key, "papercustom") &&
3691 !_cups_strcasecmp(value, "t"))
3692 type |= CUPS_PRINTER_VARIABLE;
3693 else if (!_cups_strcasecmp(key, "papermax"))
3694 {
3695 if (!_cups_strcasecmp(value, "legal-a4"))
3696 type |= CUPS_PRINTER_SMALL;
3697 else if (!_cups_strcasecmp(value, "isoc-a2"))
3698 type |= CUPS_PRINTER_MEDIUM;
3699 else if (!_cups_strcasecmp(value, ">isoc-a2"))
3700 type |= CUPS_PRINTER_LARGE;
3701 }
3702 else if (!_cups_strcasecmp(key, "punch") &&
3703 !_cups_strcasecmp(value, "t"))
3704 type |= CUPS_PRINTER_PUNCH;
3705 else if (!_cups_strcasecmp(key, "scan") &&
3706 !_cups_strcasecmp(value, "t"))
3707 type |= CUPS_PRINTER_MFP;
3708 else if (!_cups_strcasecmp(key, "sort") &&
3709 !_cups_strcasecmp(value, "t"))
3710 type |= CUPS_PRINTER_SORT;
3711 else if (!_cups_strcasecmp(key, "staple") &&
3712 !_cups_strcasecmp(value, "t"))
3713 type |= CUPS_PRINTER_STAPLE;
dcb445bc
MS		 3714 }
3715 }
3716
3717 /*
a29fd7dd 3718 * Save the printer-xxx values...
dcb445bc
MS		 3719 */
3720
3721 if (make_and_model[0])
3722 {
3723 strlcat(make_and_model, " ", sizeof(make_and_model));
3724 strlcat(make_and_model, model, sizeof(make_and_model));
3725
46385a1a 3726 device->dest.num_options = cupsAddOption("printer-make-and-model", make_and_model, device->dest.num_options, &device->dest.options);
dcb445bc
MS		 3727 }
3728 else
46385a1a 3729 device->dest.num_options = cupsAddOption("printer-make-and-model", model, device->dest.num_options, &device->dest.options);
dcb445bc 3730
a29fd7dd
MS		 3731 device->type = type;
3732 snprintf(value, sizeof(value), "%u", type);
46385a1a 3733 device->dest.num_options = cupsAddOption("printer-type", value, device->dest.num_options, &device->dest.options);
a29fd7dd 3734
dcb445bc
MS		 3735 /*
3736 * Save the URI...
3737 */
3738
3739 cups_dnssd_unquote(uriname, device->fullName, sizeof(uriname));
3740 httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri),
3741 !strcmp(device->regtype, "_ipps._tcp") ? "ipps" : "ipp",
a29fd7dd 3742 NULL, uriname, 0, saw_printer_type ? "/cups" : "/");
dcb445bc 3743
46385a1a 3744 DEBUG_printf(("6cups_dnssd_query: device-uri=\"%s\"", uri));
dcb445bc 3745
46385a1a 3746 device->dest.num_options = cupsAddOption("device-uri", uri, device->dest.num_options, &device->dest.options);
dcb445bc
MS		 3747 }
3748 else
3749 DEBUG_printf(("6cups_dnssd_query: Ignoring TXT record for '%s'.",
3750 fullName));
3751}
3752
3753
3754/*
3755 * 'cups_dnssd_resolve()' - Resolve a Bonjour printer URI.
3756 */
3757
3758static const char * /* O - Resolved URI or NULL */
3759cups_dnssd_resolve(
3760 cups_dest_t *dest, /* I - Destination */
3761 const char *uri, /* I - Current printer URI */
3762 int msec, /* I - Time in milliseconds */
3763 int *cancel, /* I - Pointer to "cancel" variable */
3764 cups_dest_cb_t cb, /* I - Callback */
3765 void *user_data) /* I - User data for callback */
3766{
3767 char tempuri[1024]; /* Temporary URI buffer */
3768 _cups_dnssd_resolve_t resolve; /* Resolve data */
3769
3770
3771 /*
3772 * Resolve the URI...
3773 */
3774
3775 resolve.cancel = cancel;
3776 gettimeofday(&resolve.end_time, NULL);
3777 if (msec > 0)
3778 {
3779 resolve.end_time.tv_sec += msec / 1000;
3780 resolve.end_time.tv_usec += (msec % 1000) * 1000;
3781
3782 while (resolve.end_time.tv_usec >= 1000000)
3783 {
3784 resolve.end_time.tv_sec ++;
3785 resolve.end_time.tv_usec -= 1000000;
3786 }
3787 }
3788 else
3789 resolve.end_time.tv_sec += 75;
3790
3791 if (cb)
4db7fcee 3792 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_RESOLVING, dest);
dcb445bc 3793
c585706d 3794 if ((uri = _httpResolveURI(uri, tempuri, sizeof(tempuri), _HTTP_RESOLVE_DEFAULT, cups_dnssd_resolve_cb, &resolve)) == NULL)
dcb445bc 3795 {
f5f2e19e 3796 _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to resolve printer-uri."), 1);
dcb445bc
MS		 3797
3798 if (cb)
46385a1a 3799 (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR, dest);
dcb445bc
MS		 3800
3801 return (NULL);
3802 }
3803
3804 /*
3805 * Save the resolved URI...
3806 */
3807
46385a1a 3808 dest->num_options = cupsAddOption("resolved-device-uri", uri, dest->num_options, &dest->options);
dcb445bc 3809
46385a1a 3810 return (cupsGetOption("resolved-device-uri", dest->num_options, dest->options));
dcb445bc
MS		 3811}
3812
3813
3814/*
3815 * 'cups_dnssd_resolve_cb()' - See if we should continue resolving.
3816 */
3817
3818static int /* O - 1 to continue, 0 to stop */
3819cups_dnssd_resolve_cb(void *context) /* I - Resolve data */
3820{
3821 _cups_dnssd_resolve_t *resolve = (_cups_dnssd_resolve_t *)context;
3822 /* Resolve data */
3823 struct timeval curtime; /* Current time */
3824
3825
3826 /*
3827 * If the cancel variable is set, return immediately.
3828 */
3829
4db7fcee
MS		 3830 if (resolve->cancel && *(resolve->cancel))
3831 {
3832 DEBUG_puts("4cups_dnssd_resolve_cb: Canceled.");
dcb445bc 3833 return (0);
4db7fcee 3834 }
dcb445bc
MS		 3835
3836 /*
3837 * Otherwise check the end time...
3838 */
3839
3840 gettimeofday(&curtime, NULL);
3841
8ddb0f60 3842 DEBUG_printf(("4cups_dnssd_resolve_cb: curtime=%d.%06d, end_time=%d.%06d", (int)curtime.tv_sec, (int)curtime.tv_usec, (int)resolve->end_time.tv_sec, (int)resolve->end_time.tv_usec));
4db7fcee
MS		 3843
3844 return (curtime.tv_sec < resolve->end_time.tv_sec ||
dcb445bc 3845 (curtime.tv_sec == resolve->end_time.tv_sec &&
4db7fcee 3846 curtime.tv_usec < resolve->end_time.tv_usec));
dcb445bc
MS		 3847}
3848
3849
3850/*
3851 * 'cups_dnssd_unquote()' - Unquote a name string.
3852 */
3853
3854static void
3855cups_dnssd_unquote(char *dst, /* I - Destination buffer */
3856 const char *src, /* I - Source string */
3857 size_t dstsize) /* I - Size of destination buffer */
3858{
3859 char *dstend = dst + dstsize - 1; /* End of destination buffer */
3860
3861
3862 while (*src && dst < dstend)
3863 {
3864 if (*src == '\\')
3865 {
3866 src ++;
3867 if (isdigit(src[0] & 255) && isdigit(src[1] & 255) &&
3868 isdigit(src[2] & 255))
3869 {
3870 *dst++ = ((((src[0] - '0') * 10) + src[1] - '0') * 10) + src[2] - '0';
3871 src += 3;
3872 }
3873 else
3874 *dst++ = *src++;
3875 }
3876 else
3877 *dst++ = *src ++;
3878 }
3879
3880 *dst = '\0';
3881}
3882#endif /* HAVE_DNSSD */
3883
3884
f34c1c99 3885#if defined(HAVE_AVAHI) || defined(HAVE_DNSSD)
3fae3b33
MS		 3886/*
3887 * 'cups_elapsed()' - Return the elapsed time in milliseconds.
3888 */
3889
3890static int /* O - Elapsed time in milliseconds */
3891cups_elapsed(struct timeval *t) /* IO - Previous time */
3892{
3893 int msecs; /* Milliseconds */
3894 struct timeval nt; /* New time */
3895
3896
3897 gettimeofday(&nt, NULL);
3898
2a75f21b 3899 msecs = (int)(1000 * (nt.tv_sec - t->tv_sec) + (nt.tv_usec - t->tv_usec) / 1000);
3fae3b33
MS		 3900
3901 *t = nt;
3902
3903 return (msecs);
3904}
f34c1c99 3905#endif /* HAVE_AVAHI || HAVE_DNSSD */
3fae3b33 3906
798d6e29 3907
426c6a59
MS		 3908/*
3909 * 'cups_find_dest()' - Find a destination using a binary search.
3910 */
3911
3912static int /* O - Index of match */
3913cups_find_dest(const char *name, /* I - Destination name */
3914 const char *instance, /* I - Instance or NULL */
3915 int num_dests, /* I - Number of destinations */
3916 cups_dest_t *dests, /* I - Destinations */
3917 int prev, /* I - Previous index */
3918 int *rdiff) /* O - Difference of match */
3919{
3920 int left, /* Low mark for binary search */
3921 right, /* High mark for binary search */
3922 current, /* Current index */
3923 diff; /* Result of comparison */
3924 cups_dest_t key; /* Search key */
3925
3926
3927 key.name = (char *)name;
3928 key.instance = (char *)instance;
3929
3930 if (prev >= 0)
3931 {
3932 /*
3933 * Start search on either side of previous...
3934 */
3935
3936 if ((diff = cups_compare_dests(&key, dests + prev)) == 0 ||
3937 (diff < 0 && prev == 0) ||
3938 (diff > 0 && prev == (num_dests - 1)))
3939 {
3940 *rdiff = diff;
3941 return (prev);
3942 }
3943 else if (diff < 0)
3944 {
3945 /*
3946 * Start with previous on right side...
3947 */
3948
3949 left = 0;
3950 right = prev;
3951 }
3952 else
3953 {
3954 /*
3955 * Start wih previous on left side...
3956 */
3957
3958 left = prev;
3959 right = num_dests - 1;
3960 }
3961 }
3962 else
3963 {
3964 /*
3965 * Start search in the middle...
3966 */
3967
3968 left = 0;
3969 right = num_dests - 1;
3970 }
3971
3972 do
3973 {
3974 current = (left + right) / 2;
3975 diff = cups_compare_dests(&key, dests + current);
3976
3977 if (diff == 0)
3978 break;
3979 else if (diff < 0)
3980 right = current;
3981 else
3982 left = current;
3983 }
3984 while ((right - left) > 1);
3985
3986 if (diff != 0)
3987 {
3988 /*
3989 * Check the last 1 or 2 elements...
3990 */
3991
3992 if ((diff = cups_compare_dests(&key, dests + left)) <= 0)
3993 current = left;
3994 else
3995 {
3996 diff = cups_compare_dests(&key, dests + right);
3997 current = right;
3998 }
3999 }
4000
4001 /*
4002 * Return the closest destination and the difference...
4003 */
4004
4005 *rdiff = diff;
4006
4007 return (current);
4008}
4009
4010
7536de1a
MS		 4011/*
4012 * 'cups_get_cb()' - Collect enumerated destinations.
4013 */
4014
4015static int /* O - 1 to continue, 0 to stop */
4016cups_get_cb(_cups_getdata_t *data, /* I - Data from cupsGetDests */
4017 unsigned flags, /* I - Enumeration flags */
4018 cups_dest_t *dest) /* I - Destination */
4019{
4020 if (flags & CUPS_DEST_FLAGS_REMOVED)
4021 {
4022 /*
4023 * Remove destination from array...
4024 */
4025
4026 data->num_dests = cupsRemoveDest(dest->name, dest->instance, data->num_dests, &data->dests);
4027 }
4028 else
4029 {
4030 /*
4031 * Add destination to array...
4032 */
4033
4034 data->num_dests = cupsCopyDest(dest, data->num_dests, &data->dests);
4035 }
4036
4037 return (1);
4038}
4039
4040
a4924f6c
MS		 4041/*
4042 * 'cups_get_default()' - Get the default destination from an lpoptions file.
4043 */
4044
080811b1 4045static char * /* O - Default destination or NULL */
a4924f6c
MS		 4046cups_get_default(const char *filename, /* I - File to read */
4047 char *namebuf, /* I - Name buffer */
4048 size_t namesize, /* I - Size of name buffer */
4049 const char **instance) /* I - Instance */
4050{
4051 cups_file_t *fp; /* lpoptions file */
4052 char line[8192], /* Line from file */
4053 *value, /* Value for line */
4054 *nameptr; /* Pointer into name */
88f9aafc 4055 int linenum; /* Current line */
a4924f6c
MS		 4056
4057
4058 *namebuf = '\0';
4059
4060 if ((fp = cupsFileOpen(filename, "r")) != NULL)
4061 {
4062 linenum = 0;
4063
4064 while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum))
4065 {
88f9aafc 4066 if (!_cups_strcasecmp(line, "default") && value)
a4924f6c
MS		 4067 {
4068 strlcpy(namebuf, value, namesize);
4069
4070 if ((nameptr = strchr(namebuf, ' ')) != NULL)
4071 *nameptr = '\0';
4072 if ((nameptr = strchr(namebuf, '\t')) != NULL)
4073 *nameptr = '\0';
4074
4075 if ((nameptr = strchr(namebuf, '/')) != NULL)
4076 *nameptr++ = '\0';
4077
4078 *instance = nameptr;
4079 break;
4080 }
4081 }
4082
4083 cupsFileClose(fp);
4084 }
4085
4086 return (*namebuf ? namebuf : NULL);
4087}
4088
4089
ef416fc2 4090/*
4091 * 'cups_get_dests()' - Get destinations from a file.
4092 */
4093
4094static int /* O - Number of destinations */
38e73f87
MS		 4095cups_get_dests(
4096 const char *filename, /* I - File to read from */
4097 const char *match_name, /* I - Destination name we want */
4098 const char *match_inst, /* I - Instance name we want */
4099 int user_default_set, /* I - User default printer set? */
4100 int num_dests, /* I - Number of destinations */
4101 cups_dest_t **dests) /* IO - Destinations */
ef416fc2 4102{
4103 int i; /* Looping var */
4104 cups_dest_t *dest; /* Current destination */
a4924f6c 4105 cups_file_t *fp; /* File pointer */
ef416fc2 4106 char line[8192], /* Line from file */
4107 *lineptr, /* Pointer into line */
4108 *name, /* Name of destination/option */
4109 *instance; /* Instance of destination */
a4924f6c 4110 int linenum; /* Current line number */
ef416fc2 4111
4112
807315e6 4113 DEBUG_printf(("7cups_get_dests(filename=\"%s\", match_name=\"%s\", match_inst=\"%s\", user_default_set=%d, num_dests=%d, dests=%p)", filename, match_name, match_inst, user_default_set, num_dests, (void *)dests));
a4924f6c
MS		 4114
4115 /*
4116 * Try to open the file...
4117 */
4118
4119 if ((fp = cupsFileOpen(filename, "r")) == NULL)
4120 return (num_dests);
4121
ef416fc2 4122 /*
4123 * Read each printer; each line looks like:
4124 *
4125 * Dest name[/instance] options
4126 * Default name[/instance] options
4127 */
4128
a4924f6c
MS		 4129 linenum = 0;
4130
4131 while (cupsFileGetConf(fp, line, sizeof(line), &lineptr, &linenum))
ef416fc2 4132 {
4133 /*
4134 * See what type of line it is...
4135 */
4136
e07d4801 4137 DEBUG_printf(("9cups_get_dests: linenum=%d line=\"%s\" lineptr=\"%s\"",
38e73f87 4138 linenum, line, lineptr));
ef416fc2 4139
88f9aafc 4140 if ((_cups_strcasecmp(line, "dest") && _cups_strcasecmp(line, "default")) || !lineptr)
a4924f6c 4141 {
e07d4801 4142 DEBUG_puts("9cups_get_dests: Not a dest or default line...");
ef416fc2 4143 continue;
a4924f6c 4144 }
ef416fc2 4145
4146 name = lineptr;
4147
4148 /*
4149 * Search for an instance...
4150 */
4151
4152 while (!isspace(*lineptr & 255) && *lineptr && *lineptr != '/')
4153 lineptr ++;
4154
ef416fc2 4155 if (*lineptr == '/')
4156 {
4157 /*
4158 * Found an instance...
4159 */
4160
4161 *lineptr++ = '\0';
4162 instance = lineptr;
4163
4164 /*
4165 * Search for an instance...
4166 */
4167
4168 while (!isspace(*lineptr & 255) && *lineptr)
4169 lineptr ++;
4170 }
4171 else
4172 instance = NULL;
4173
a4924f6c
MS		 4174 if (*lineptr)
4175 *lineptr++ = '\0';
4176
e07d4801 4177 DEBUG_printf(("9cups_get_dests: name=\"%s\", instance=\"%s\"", name,
a4924f6c 4178 instance));
ef416fc2 4179
4180 /*
4181 * See if the primary instance of the destination exists; if not,
4182 * ignore this entry and move on...
4183 */
4184
a4924f6c
MS		 4185 if (match_name)
4186 {
88f9aafc 4187 if (_cups_strcasecmp(name, match_name) ||
a4924f6c
MS		 4188 (!instance && match_inst) ||
4189 (instance && !match_inst) ||
88f9aafc 4190 (instance && _cups_strcasecmp(instance, match_inst)))
a4924f6c 4191 continue;
ef416fc2 4192
a4924f6c
MS		 4193 dest = *dests;
4194 }
4195 else if (cupsGetDest(name, NULL, num_dests, *dests) == NULL)
4196 {
e07d4801 4197 DEBUG_puts("9cups_get_dests: Not found!");
a4924f6c
MS		 4198 continue;
4199 }
4200 else
ef416fc2 4201 {
4202 /*
a4924f6c 4203 * Add the destination...
ef416fc2 4204 */
4205
a4924f6c
MS		 4206 num_dests = cupsAddDest(name, instance, num_dests, dests);
4207
4208 if ((dest = cupsGetDest(name, instance, num_dests, *dests)) == NULL)
4209 {
4210 /*
4211 * Out of memory!
4212 */
4213
e07d4801 4214 DEBUG_puts("9cups_get_dests: Out of memory!");
a4924f6c
MS		 4215 break;
4216 }
ef416fc2 4217 }
4218
4219 /*
4220 * Add options until we hit the end of the line...
4221 */
4222
4223 dest->num_options = cupsParseOptions(lineptr, dest->num_options,
4224 &(dest->options));
4225
a4924f6c
MS		 4226 /*
4227 * If we found what we were looking for, stop now...
4228 */
4229
4230 if (match_name)
4231 break;
4232
ef416fc2 4233 /*
4234 * Set this as default if needed...
4235 */
4236
88f9aafc 4237 if (!user_default_set && !_cups_strcasecmp(line, "default"))
ef416fc2 4238 {
e07d4801 4239 DEBUG_puts("9cups_get_dests: Setting as default...");
a4924f6c 4240
ef416fc2 4241 for (i = 0; i < num_dests; i ++)
4242 (*dests)[i].is_default = 0;
4243
4244 dest->is_default = 1;
4245 }
4246 }
4247
4248 /*
4249 * Close the file and return...
4250 */
4251
88f9aafc 4252 cupsFileClose(fp);
ef416fc2 4253
4254 return (num_dests);
4255}
4256
4257
426c6a59
MS		 4258/*
4259 * 'cups_make_string()' - Make a comma-separated string of values from an IPP
4260 * attribute.
4261 */
4262
4263static char * /* O - New string */
4264cups_make_string(
4265 ipp_attribute_t *attr, /* I - Attribute to convert */
4266 char *buffer, /* I - Buffer */
4267 size_t bufsize) /* I - Size of buffer */
4268{
4269 int i; /* Looping var */
4270 char *ptr, /* Pointer into buffer */
4271 *end, /* Pointer to end of buffer */
4272 *valptr; /* Pointer into string attribute */
4273
4274
4275 /*
4276 * Return quickly if we have a single string value...
4277 */
4278
4279 if (attr->num_values == 1 &&
4280 attr->value_tag != IPP_TAG_INTEGER &&
4281 attr->value_tag != IPP_TAG_ENUM &&
4282 attr->value_tag != IPP_TAG_BOOLEAN &&
4283 attr->value_tag != IPP_TAG_RANGE)
4284 return (attr->values[0].string.text);
4285
4286 /*
4287 * Copy the values to the string, separating with commas and escaping strings
4288 * as needed...
4289 */
4290
4291 end = buffer + bufsize - 1;
4292
4293 for (i = 0, ptr = buffer; i < attr->num_values && ptr < end; i ++)
4294 {
4295 if (i)
4296 *ptr++ = ',';
4297
4298 switch (attr->value_tag)
4299 {
4300 case IPP_TAG_INTEGER :
4301 case IPP_TAG_ENUM :
07623986 4302 snprintf(ptr, (size_t)(end - ptr + 1), "%d", attr->values[i].integer);
426c6a59
MS		 4303 break;
4304
4305 case IPP_TAG_BOOLEAN :
4306 if (attr->values[i].boolean)
07623986 4307 strlcpy(ptr, "true", (size_t)(end - ptr + 1));
426c6a59 4308 else
07623986 4309 strlcpy(ptr, "false", (size_t)(end - ptr + 1));
426c6a59
MS		 4310 break;
4311
4312 case IPP_TAG_RANGE :
4313 if (attr->values[i].range.lower == attr->values[i].range.upper)
07623986 4314 snprintf(ptr, (size_t)(end - ptr + 1), "%d", attr->values[i].range.lower);
426c6a59 4315 else
07623986 4316 snprintf(ptr, (size_t)(end - ptr + 1), "%d-%d", attr->values[i].range.lower, attr->values[i].range.upper);
426c6a59
MS		 4317 break;
4318
4319 default :
4320 for (valptr = attr->values[i].string.text;
4321 *valptr && ptr < end;)
4322 {
4323 if (strchr(" \t\n\\\'\"", *valptr))
4324 {
4325 if (ptr >= (end - 1))
4326 break;
4327
4328 *ptr++ = '\\';
4329 }
4330
4331 *ptr++ = *valptr++;
4332 }
4333
4334 *ptr = '\0';
4335 break;
4336 }
4337
4338 ptr += strlen(ptr);
4339 }
4340
4341 *ptr = '\0';
4342
4343 return (buffer);
4344}
efa72f61
MS		 4345
4346
4a366251
MS		 4347/*
4348 * 'cups_name_cb()' - Find an enumerated destination.
4349 */
4350
4351static int /* O - 1 to continue, 0 to stop */
4352cups_name_cb(_cups_namedata_t *data, /* I - Data from cupsGetNamedDest */
4353 unsigned flags, /* I - Enumeration flags */
4354 cups_dest_t *dest) /* I - Destination */
4355{
2a75f21b 4356 DEBUG_printf(("2cups_name_cb(data=%p(%s), flags=%x, dest=%p(%s)", (void *)data, data->name, flags, (void *)dest, dest->name));
4a366251
MS		 4357
4358 if (!(flags & CUPS_DEST_FLAGS_REMOVED) && !dest->instance && !strcasecmp(data->name, dest->name))
4359 {
4360 /*
4361 * Copy destination and stop enumeration...
4362 */
4363
4364 cupsCopyDest(dest, 0, &data->dest);
4365 return (0);
4366 }
4367
4368 return (1);
4369}
4370
4371
efa72f61
MS		 4372/*
4373 * 'cups_queue_name()' - Create a local queue name based on the service name.
4374 */
4375
4376static void
4377cups_queue_name(
4378 char *name, /* I - Name buffer */
4379 const char *serviceName, /* I - Service name */
4380 size_t namesize) /* I - Size of name buffer */
4381{
4382 const char *ptr; /* Pointer into serviceName */
4383 char *nameptr; /* Pointer into name */
4384
4385
4386 for (nameptr = name, ptr = serviceName; *ptr && nameptr < (name + namesize - 1); ptr ++)
4387 {
4388 /*
4389 * Sanitize the printer name...
4390 */
4391
4392 if (_cups_isalnum(*ptr))
4393 *nameptr++ = *ptr;
4394 else if (nameptr == name || nameptr[-1] != '_')
4395 *nameptr++ = '_';
4396 }
4397
4398 *nameptr = '\0';
4399}
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