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Commit | Line | Data |
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bac07992 MS |
1 | /* |
2 | * "$Id$" | |
3 | * | |
4 | * Utility to find IPP printers via Bonjour/DNS-SD and optionally run | |
5 | * commands such as IPP and Bonjour conformance tests. This tool is | |
6 | * inspired by the UNIX "find" command, thus its name. | |
7 | * | |
8 | * Copyright 2008-2013 by Apple Inc. | |
9 | * | |
10 | * These coded instructions, statements, and computer programs are the | |
11 | * property of Apple Inc. and are protected by Federal copyright | |
12 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
13 | * which should have been included with this file. If this file is | |
14 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
15 | * | |
16 | * This file is subject to the Apple OS-Developed Software exception. | |
17 | * | |
bac07992 MS |
18 | * Contents: |
19 | * | |
70752071 MS |
20 | * main() - Browse for printers. |
21 | * browse_callback() - Browse devices. | |
22 | * browse_local_callback() - Browse local devices. | |
23 | * browse_callback() - Browse devices. | |
24 | * client_callback() - Avahi client callback function. | |
25 | * compare_services() - Compare two devices. | |
26 | * dnssd_error_string() - Return an error string for an error code. | |
27 | * eval_expr() - Evaluate the expressions against the specified | |
28 | * service. | |
29 | * exec_program() - Execute a program for a service. | |
30 | * get_service() - Create or update a device. | |
31 | * get_time() - Get the current time-of-day in seconds. | |
32 | * list_service() - List the contents of a service. | |
33 | * new_expr() - Create a new expression. | |
34 | * poll_callback() - Wait for input on the specified file | |
35 | * descriptors. | |
36 | * resolve_callback() - Process resolve data. | |
37 | * set_service_uri() - Set the URI of the service. | |
38 | * show_usage() - Show program usage. | |
39 | * show_version() - Show program version. | |
bac07992 MS |
40 | */ |
41 | ||
42 | /* | |
43 | * Include necessary headers. | |
44 | */ | |
45 | ||
70752071 | 46 | #define _CUPS_NO_DEPRECATED |
bac07992 | 47 | #include <cups/cups-private.h> |
83385e29 MS |
48 | #ifdef WIN32 |
49 | # include <process.h> | |
50 | # include <sys/timeb.h> | |
51 | #else | |
52 | # include <sys/wait.h> | |
53 | #endif /* WIN32 */ | |
bac07992 MS |
54 | #include <regex.h> |
55 | #ifdef HAVE_DNSSD | |
56 | # include <dns_sd.h> | |
57 | #elif defined(HAVE_AVAHI) | |
58 | # include <avahi-client/client.h> | |
59 | # include <avahi-client/lookup.h> | |
60 | # include <avahi-common/simple-watch.h> | |
61 | # include <avahi-common/domain.h> | |
62 | # include <avahi-common/error.h> | |
63 | # include <avahi-common/malloc.h> | |
64 | # define kDNSServiceMaxDomainName AVAHI_DOMAIN_NAME_MAX | |
65 | #endif /* HAVE_DNSSD */ | |
66 | ||
83385e29 | 67 | #ifndef WIN32 |
2d0a0f48 | 68 | extern char **environ; /* Process environment variables */ |
83385e29 | 69 | #endif /* !WIN32 */ |
2d0a0f48 | 70 | |
bac07992 MS |
71 | |
72 | /* | |
73 | * Structures... | |
74 | */ | |
75 | ||
76 | typedef enum ippfind_exit_e /* Exit codes */ | |
77 | { | |
766a8229 | 78 | IPPFIND_EXIT_TRUE = 0, /* OK and result is true */ |
bac07992 MS |
79 | IPPFIND_EXIT_FALSE, /* OK but result is false*/ |
80 | IPPFIND_EXIT_BONJOUR, /* Browse/resolve failure */ | |
766a8229 MS |
81 | IPPFIND_EXIT_SYNTAX, /* Bad option or syntax error */ |
82 | IPPFIND_EXIT_MEMORY /* Out of memory */ | |
bac07992 MS |
83 | } ippfind_exit_t; |
84 | ||
85 | typedef enum ippfind_op_e /* Operations for expressions */ | |
86 | { | |
41743200 | 87 | /* "Evaluation" operations */ |
bac07992 MS |
88 | IPPFIND_OP_NONE, /* No operation */ |
89 | IPPFIND_OP_AND, /* Logical AND of all children */ | |
90 | IPPFIND_OP_OR, /* Logical OR of all children */ | |
91 | IPPFIND_OP_TRUE, /* Always true */ | |
92 | IPPFIND_OP_FALSE, /* Always false */ | |
766a8229 MS |
93 | IPPFIND_OP_IS_LOCAL, /* Is a local service */ |
94 | IPPFIND_OP_IS_REMOTE, /* Is a remote service */ | |
bac07992 MS |
95 | IPPFIND_OP_DOMAIN_REGEX, /* Domain matches regular expression */ |
96 | IPPFIND_OP_NAME_REGEX, /* Name matches regular expression */ | |
41743200 MS |
97 | IPPFIND_OP_HOST_REGEX, /* Hostname matches regular expression */ |
98 | IPPFIND_OP_PORT_RANGE, /* Port matches range */ | |
bac07992 MS |
99 | IPPFIND_OP_PATH_REGEX, /* Path matches regular expression */ |
100 | IPPFIND_OP_TXT_EXISTS, /* TXT record key exists */ | |
101 | IPPFIND_OP_TXT_REGEX, /* TXT record key matches regular expression */ | |
102 | IPPFIND_OP_URI_REGEX, /* URI matches regular expression */ | |
103 | ||
41743200 | 104 | /* "Output" operations */ |
bac07992 MS |
105 | IPPFIND_OP_EXEC, /* Execute when true */ |
106 | IPPFIND_OP_LIST, /* List when true */ | |
107 | IPPFIND_OP_PRINT_NAME, /* Print URI when true */ | |
108 | IPPFIND_OP_PRINT_URI, /* Print name when true */ | |
a505eef4 | 109 | IPPFIND_OP_QUIET /* No output when true */ |
bac07992 MS |
110 | } ippfind_op_t; |
111 | ||
112 | typedef struct ippfind_expr_s /* Expression */ | |
113 | { | |
114 | struct ippfind_expr_s | |
115 | *prev, /* Previous expression */ | |
116 | *next, /* Next expression */ | |
117 | *parent, /* Parent expressions */ | |
118 | *child; /* Child expressions */ | |
119 | ippfind_op_t op; /* Operation code (see above) */ | |
120 | int invert; /* Invert the result */ | |
121 | char *key; /* TXT record key */ | |
122 | regex_t re; /* Regular expression for matching */ | |
41743200 | 123 | int range[2]; /* Port number range */ |
766a8229 MS |
124 | int num_args; /* Number of arguments for exec */ |
125 | char **args; /* Arguments for exec */ | |
bac07992 MS |
126 | } ippfind_expr_t; |
127 | ||
128 | typedef struct ippfind_srv_s /* Service information */ | |
129 | { | |
130 | #ifdef HAVE_DNSSD | |
131 | DNSServiceRef ref; /* Service reference for query */ | |
132 | #elif defined(HAVE_AVAHI) | |
133 | AvahiServiceResolver *ref; /* Resolver */ | |
134 | #endif /* HAVE_DNSSD */ | |
135 | char *name, /* Service name */ | |
136 | *domain, /* Domain name */ | |
137 | *regtype, /* Registration type */ | |
138 | *fullName, /* Full name */ | |
139 | *host, /* Hostname */ | |
41743200 | 140 | *resource, /* Resource path */ |
bac07992 MS |
141 | *uri; /* URI */ |
142 | int num_txt; /* Number of TXT record keys */ | |
143 | cups_option_t *txt; /* TXT record keys */ | |
144 | int port, /* Port number */ | |
145 | is_local, /* Is a local service? */ | |
146 | is_processed, /* Did we process the service? */ | |
147 | is_resolved; /* Got the resolve data? */ | |
bac07992 MS |
148 | } ippfind_srv_t; |
149 | ||
150 | ||
151 | /* | |
152 | * Local globals... | |
153 | */ | |
154 | ||
155 | #ifdef HAVE_DNSSD | |
156 | static DNSServiceRef dnssd_ref; /* Master service reference */ | |
157 | #elif defined(HAVE_AVAHI) | |
158 | static AvahiClient *avahi_client = NULL;/* Client information */ | |
159 | static int avahi_got_data = 0; /* Got data from poll? */ | |
160 | static AvahiSimplePoll *avahi_poll = NULL; | |
161 | /* Poll information */ | |
162 | #endif /* HAVE_DNSSD */ | |
163 | ||
164 | static int address_family = AF_UNSPEC; | |
165 | /* Address family for LIST */ | |
166 | static int bonjour_error = 0; /* Error browsing/resolving? */ | |
766a8229 | 167 | static double bonjour_timeout = 1.0; /* Timeout in seconds */ |
bac07992 | 168 | static int ipp_version = 20; /* IPP version for LIST */ |
bac07992 MS |
169 | |
170 | ||
171 | /* | |
172 | * Local functions... | |
173 | */ | |
174 | ||
175 | #ifdef HAVE_DNSSD | |
83385e29 | 176 | static void DNSSD_API browse_callback(DNSServiceRef sdRef, |
bac07992 MS |
177 | DNSServiceFlags flags, |
178 | uint32_t interfaceIndex, | |
179 | DNSServiceErrorType errorCode, | |
180 | const char *serviceName, | |
181 | const char *regtype, | |
182 | const char *replyDomain, void *context) | |
183 | __attribute__((nonnull(1,5,6,7,8))); | |
83385e29 | 184 | static void DNSSD_API browse_local_callback(DNSServiceRef sdRef, |
bac07992 MS |
185 | DNSServiceFlags flags, |
186 | uint32_t interfaceIndex, | |
187 | DNSServiceErrorType errorCode, | |
188 | const char *serviceName, | |
189 | const char *regtype, | |
190 | const char *replyDomain, | |
191 | void *context) | |
192 | __attribute__((nonnull(1,5,6,7,8))); | |
193 | #elif defined(HAVE_AVAHI) | |
194 | static void browse_callback(AvahiServiceBrowser *browser, | |
195 | AvahiIfIndex interface, | |
196 | AvahiProtocol protocol, | |
197 | AvahiBrowserEvent event, | |
198 | const char *serviceName, | |
199 | const char *regtype, | |
200 | const char *replyDomain, | |
201 | AvahiLookupResultFlags flags, | |
202 | void *context); | |
203 | static void client_callback(AvahiClient *client, | |
204 | AvahiClientState state, | |
205 | void *context); | |
206 | #endif /* HAVE_AVAHI */ | |
207 | ||
208 | static int compare_services(ippfind_srv_t *a, ippfind_srv_t *b); | |
766a8229 MS |
209 | static const char *dnssd_error_string(int error); |
210 | static int eval_expr(ippfind_srv_t *service, | |
211 | ippfind_expr_t *expressions); | |
41743200 MS |
212 | static int exec_program(ippfind_srv_t *service, int num_args, |
213 | char **args); | |
bac07992 MS |
214 | static ippfind_srv_t *get_service(cups_array_t *services, |
215 | const char *serviceName, | |
216 | const char *regtype, | |
217 | const char *replyDomain) | |
218 | __attribute__((nonnull(1,2,3,4))); | |
766a8229 | 219 | static double get_time(void); |
41743200 MS |
220 | static int list_service(ippfind_srv_t *service); |
221 | static ippfind_expr_t *new_expr(ippfind_op_t op, int invert, | |
222 | const char *value, const char *regex, | |
223 | char **args); | |
bac07992 | 224 | #ifdef HAVE_DNSSD |
83385e29 | 225 | static void DNSSD_API resolve_callback(DNSServiceRef sdRef, |
bac07992 MS |
226 | DNSServiceFlags flags, |
227 | uint32_t interfaceIndex, | |
228 | DNSServiceErrorType errorCode, | |
229 | const char *fullName, | |
230 | const char *hostTarget, uint16_t port, | |
231 | uint16_t txtLen, | |
232 | const unsigned char *txtRecord, | |
766a8229 | 233 | void *context) |
bac07992 MS |
234 | __attribute__((nonnull(1,5,6,9, 10))); |
235 | #elif defined(HAVE_AVAHI) | |
236 | static int poll_callback(struct pollfd *pollfds, | |
237 | unsigned int num_pollfds, int timeout, | |
238 | void *context); | |
239 | static void resolve_callback(AvahiServiceResolver *res, | |
240 | AvahiIfIndex interface, | |
241 | AvahiProtocol protocol, | |
7e5023dd | 242 | AvahiResolverEvent event, |
bac07992 MS |
243 | const char *serviceName, |
244 | const char *regtype, | |
245 | const char *replyDomain, | |
246 | const char *host_name, | |
7e5023dd | 247 | const AvahiAddress *address, |
bac07992 MS |
248 | uint16_t port, |
249 | AvahiStringList *txt, | |
250 | AvahiLookupResultFlags flags, | |
251 | void *context); | |
252 | #endif /* HAVE_DNSSD */ | |
253 | static void set_service_uri(ippfind_srv_t *service); | |
254 | static void show_usage(void) __attribute__((noreturn)); | |
255 | static void show_version(void) __attribute__((noreturn)); | |
bac07992 MS |
256 | |
257 | ||
258 | /* | |
259 | * 'main()' - Browse for printers. | |
260 | */ | |
261 | ||
262 | int /* O - Exit status */ | |
263 | main(int argc, /* I - Number of command-line args */ | |
264 | char *argv[]) /* I - Command-line arguments */ | |
265 | { | |
766a8229 MS |
266 | int i, /* Looping var */ |
267 | have_output = 0,/* Have output expression */ | |
268 | status = IPPFIND_EXIT_TRUE; | |
269 | /* Exit status */ | |
270 | const char *opt, /* Option character */ | |
271 | *search; /* Current browse/resolve string */ | |
272 | cups_array_t *searches; /* Things to browse/resolve */ | |
273 | cups_array_t *services; /* Service array */ | |
274 | ippfind_srv_t *service; /* Current service */ | |
275 | ippfind_expr_t *expressions = NULL, | |
276 | /* Expression tree */ | |
277 | *temp = NULL, /* New expression */ | |
278 | *parent = NULL, /* Parent expression */ | |
a505eef4 MS |
279 | *current = NULL,/* Current expression */ |
280 | *parens[100]; /* Markers for parenthesis */ | |
281 | int num_parens = 0; /* Number of parenthesis */ | |
766a8229 MS |
282 | ippfind_op_t logic = IPPFIND_OP_AND; |
283 | /* Logic for next expression */ | |
284 | int invert = 0; /* Invert expression? */ | |
285 | int err; /* DNS-SD error */ | |
286 | #ifdef HAVE_DNSSD | |
287 | fd_set sinput; /* Input set for select() */ | |
288 | struct timeval stimeout; /* Timeout for select() */ | |
289 | #endif /* HAVE_DNSSD */ | |
290 | double endtime; /* End time */ | |
70752071 MS |
291 | static const char * const ops[] = /* Node operation names */ |
292 | { | |
293 | "NONE", | |
294 | "AND", | |
295 | "OR", | |
296 | "TRUE", | |
297 | "FALSE", | |
298 | "IS_LOCAL", | |
299 | "IS_REMOTE", | |
300 | "DOMAIN_REGEX", | |
301 | "NAME_REGEX", | |
302 | "HOST_REGEX", | |
303 | "PORT_RANGE", | |
304 | "PATH_REGEX", | |
305 | "TXT_EXISTS", | |
306 | "TXT_REGEX", | |
307 | "URI_REGEX", | |
308 | "EXEC", | |
309 | "LIST", | |
310 | "PRINT_NAME", | |
311 | "PRINT_URI", | |
312 | "QUIET" | |
313 | }; | |
bac07992 MS |
314 | |
315 | ||
316 | /* | |
317 | * Initialize the locale... | |
318 | */ | |
319 | ||
320 | _cupsSetLocale(argv); | |
321 | ||
322 | /* | |
766a8229 | 323 | * Create arrays to track services and things we want to browse/resolve... |
bac07992 MS |
324 | */ |
325 | ||
766a8229 | 326 | searches = cupsArrayNew(NULL, NULL); |
bac07992 MS |
327 | services = cupsArrayNew((cups_array_func_t)compare_services, NULL); |
328 | ||
329 | /* | |
766a8229 | 330 | * Parse command-line... |
bac07992 MS |
331 | */ |
332 | ||
766a8229 | 333 | for (i = 1; i < argc; i ++) |
bac07992 | 334 | { |
766a8229 MS |
335 | if (argv[i][0] == '-') |
336 | { | |
337 | if (argv[i][1] == '-') | |
338 | { | |
339 | /* | |
340 | * Parse --option options... | |
341 | */ | |
342 | ||
343 | if (!strcmp(argv[i], "--and")) | |
344 | { | |
a505eef4 MS |
345 | if (logic == IPPFIND_OP_OR) |
346 | { | |
347 | _cupsLangPuts(stderr, _("ippfind: Cannot use --and after --or.")); | |
348 | show_usage(); | |
349 | } | |
766a8229 | 350 | |
a505eef4 MS |
351 | if (!current) |
352 | { | |
353 | _cupsLangPuts(stderr, | |
354 | _("ippfind: Missing expression before \"--and\".")); | |
355 | show_usage(); | |
356 | } | |
bac07992 | 357 | |
a505eef4 | 358 | temp = NULL; |
766a8229 MS |
359 | } |
360 | else if (!strcmp(argv[i], "--domain")) | |
361 | { | |
362 | i ++; | |
363 | if (i >= argc) | |
70752071 MS |
364 | { |
365 | _cupsLangPrintf(stderr, | |
366 | _("ippfind: Missing regular expression after %s."), | |
367 | "--domain"); | |
766a8229 | 368 | show_usage(); |
70752071 | 369 | } |
bac07992 | 370 | |
766a8229 MS |
371 | if ((temp = new_expr(IPPFIND_OP_DOMAIN_REGEX, invert, NULL, argv[i], |
372 | NULL)) == NULL) | |
373 | return (IPPFIND_EXIT_MEMORY); | |
374 | } | |
375 | else if (!strcmp(argv[i], "--exec")) | |
376 | { | |
377 | i ++; | |
378 | if (i >= argc) | |
70752071 MS |
379 | { |
380 | _cupsLangPrintf(stderr, _("ippfind: Expected program after %s."), | |
381 | "--exec"); | |
766a8229 | 382 | show_usage(); |
70752071 | 383 | } |
bac07992 | 384 | |
766a8229 MS |
385 | if ((temp = new_expr(IPPFIND_OP_EXEC, invert, NULL, NULL, |
386 | argv + i)) == NULL) | |
387 | return (IPPFIND_EXIT_MEMORY); | |
bac07992 | 388 | |
766a8229 MS |
389 | while (i < argc) |
390 | if (!strcmp(argv[i], ";")) | |
391 | break; | |
392 | else | |
393 | i ++; | |
bac07992 | 394 | |
766a8229 | 395 | if (i >= argc) |
70752071 MS |
396 | { |
397 | _cupsLangPrintf(stderr, _("ippfind: Expected semi-colon after %s."), | |
398 | "--exec"); | |
766a8229 | 399 | show_usage(); |
70752071 | 400 | } |
766a8229 MS |
401 | |
402 | have_output = 1; | |
403 | } | |
404 | else if (!strcmp(argv[i], "--false")) | |
405 | { | |
766a8229 MS |
406 | if ((temp = new_expr(IPPFIND_OP_FALSE, invert, NULL, NULL, |
407 | NULL)) == NULL) | |
408 | return (IPPFIND_EXIT_MEMORY); | |
409 | } | |
410 | else if (!strcmp(argv[i], "--help")) | |
411 | { | |
412 | show_usage(); | |
413 | } | |
41743200 MS |
414 | else if (!strcmp(argv[i], "--host")) |
415 | { | |
416 | i ++; | |
417 | if (i >= argc) | |
70752071 MS |
418 | { |
419 | _cupsLangPrintf(stderr, | |
420 | _("ippfind: Missing regular expression after %s."), | |
421 | "--host"); | |
41743200 | 422 | show_usage(); |
70752071 | 423 | } |
41743200 MS |
424 | |
425 | if ((temp = new_expr(IPPFIND_OP_HOST_REGEX, invert, NULL, argv[i], | |
426 | NULL)) == NULL) | |
427 | return (IPPFIND_EXIT_MEMORY); | |
428 | } | |
766a8229 MS |
429 | else if (!strcmp(argv[i], "--ls")) |
430 | { | |
766a8229 MS |
431 | if ((temp = new_expr(IPPFIND_OP_LIST, invert, NULL, NULL, |
432 | NULL)) == NULL) | |
433 | return (IPPFIND_EXIT_MEMORY); | |
434 | ||
435 | have_output = 1; | |
436 | } | |
437 | else if (!strcmp(argv[i], "--local")) | |
438 | { | |
766a8229 MS |
439 | if ((temp = new_expr(IPPFIND_OP_IS_LOCAL, invert, NULL, NULL, |
440 | NULL)) == NULL) | |
441 | return (IPPFIND_EXIT_MEMORY); | |
442 | } | |
443 | else if (!strcmp(argv[i], "--name")) | |
444 | { | |
445 | i ++; | |
446 | if (i >= argc) | |
70752071 MS |
447 | { |
448 | _cupsLangPrintf(stderr, | |
449 | _("ippfind: Missing regular expression after %s."), | |
450 | "--name"); | |
766a8229 | 451 | show_usage(); |
70752071 | 452 | } |
766a8229 MS |
453 | |
454 | if ((temp = new_expr(IPPFIND_OP_NAME_REGEX, invert, NULL, argv[i], | |
455 | NULL)) == NULL) | |
456 | return (IPPFIND_EXIT_MEMORY); | |
457 | } | |
458 | else if (!strcmp(argv[i], "--not")) | |
459 | { | |
460 | invert = 1; | |
461 | } | |
462 | else if (!strcmp(argv[i], "--or")) | |
463 | { | |
a505eef4 MS |
464 | if (!current) |
465 | { | |
466 | _cupsLangPuts(stderr, | |
467 | _("ippfind: Missing expression before \"--or\".")); | |
468 | show_usage(); | |
469 | } | |
470 | ||
471 | logic = IPPFIND_OP_OR; | |
472 | ||
473 | if (parent && parent->op == IPPFIND_OP_OR) | |
474 | { | |
475 | /* | |
476 | * Already setup to do "foo --or bar --or baz"... | |
477 | */ | |
478 | ||
479 | temp = NULL; | |
480 | } | |
481 | else if (!current->prev && parent) | |
482 | { | |
483 | /* | |
484 | * Change parent node into an OR node... | |
485 | */ | |
486 | ||
487 | parent->op = IPPFIND_OP_OR; | |
488 | temp = NULL; | |
489 | } | |
490 | else if (!current->prev) | |
491 | { | |
492 | /* | |
493 | * Need to group "current" in a new OR node... | |
494 | */ | |
495 | ||
496 | if ((temp = new_expr(IPPFIND_OP_OR, 0, NULL, NULL, | |
497 | NULL)) == NULL) | |
498 | return (IPPFIND_EXIT_MEMORY); | |
499 | ||
500 | temp->parent = parent; | |
501 | temp->child = current; | |
502 | current->parent = temp; | |
503 | ||
504 | if (parent) | |
505 | parent->child = temp; | |
506 | else | |
507 | expressions = temp; | |
508 | ||
509 | parent = temp; | |
510 | temp = NULL; | |
511 | } | |
512 | else | |
766a8229 MS |
513 | { |
514 | /* | |
a505eef4 MS |
515 | * Need to group previous expressions in an AND node, and then |
516 | * put that in an OR node... | |
766a8229 MS |
517 | */ |
518 | ||
a505eef4 MS |
519 | if ((temp = new_expr(IPPFIND_OP_AND, 0, NULL, NULL, |
520 | NULL)) == NULL) | |
521 | return (IPPFIND_EXIT_MEMORY); | |
522 | ||
523 | while (current->prev) | |
766a8229 | 524 | { |
a505eef4 MS |
525 | current->parent = temp; |
526 | current = current->prev; | |
527 | } | |
766a8229 | 528 | |
a505eef4 MS |
529 | current->parent = temp; |
530 | temp->child = current; | |
531 | current = temp; | |
766a8229 | 532 | |
a505eef4 MS |
533 | if ((temp = new_expr(IPPFIND_OP_OR, 0, NULL, NULL, |
534 | NULL)) == NULL) | |
535 | return (IPPFIND_EXIT_MEMORY); | |
766a8229 | 536 | |
a505eef4 MS |
537 | temp->parent = parent; |
538 | current->parent = temp; | |
766a8229 | 539 | |
a505eef4 MS |
540 | if (parent) |
541 | parent->child = temp; | |
542 | else | |
543 | expressions = temp; | |
766a8229 | 544 | |
a505eef4 MS |
545 | parent = temp; |
546 | temp = NULL; | |
766a8229 | 547 | } |
766a8229 MS |
548 | } |
549 | else if (!strcmp(argv[i], "--path")) | |
550 | { | |
551 | i ++; | |
552 | if (i >= argc) | |
70752071 MS |
553 | { |
554 | _cupsLangPrintf(stderr, | |
555 | _("ippfind: Missing regular expression after %s."), | |
556 | "--path"); | |
766a8229 | 557 | show_usage(); |
70752071 | 558 | } |
766a8229 MS |
559 | |
560 | if ((temp = new_expr(IPPFIND_OP_PATH_REGEX, invert, NULL, argv[i], | |
561 | NULL)) == NULL) | |
562 | return (IPPFIND_EXIT_MEMORY); | |
563 | } | |
41743200 MS |
564 | else if (!strcmp(argv[i], "--port")) |
565 | { | |
566 | i ++; | |
567 | if (i >= argc) | |
70752071 MS |
568 | { |
569 | _cupsLangPrintf(stderr, | |
570 | _("ippfind: Expected port range after %s."), | |
571 | "--port"); | |
41743200 | 572 | show_usage(); |
70752071 | 573 | } |
41743200 MS |
574 | |
575 | if ((temp = new_expr(IPPFIND_OP_PORT_RANGE, invert, argv[i], NULL, | |
576 | NULL)) == NULL) | |
577 | return (IPPFIND_EXIT_MEMORY); | |
578 | } | |
766a8229 MS |
579 | else if (!strcmp(argv[i], "--print")) |
580 | { | |
581 | if ((temp = new_expr(IPPFIND_OP_PRINT_URI, invert, NULL, NULL, | |
582 | NULL)) == NULL) | |
583 | return (IPPFIND_EXIT_MEMORY); | |
584 | ||
585 | have_output = 1; | |
586 | } | |
587 | else if (!strcmp(argv[i], "--print-name")) | |
588 | { | |
589 | if ((temp = new_expr(IPPFIND_OP_PRINT_NAME, invert, NULL, NULL, | |
590 | NULL)) == NULL) | |
591 | return (IPPFIND_EXIT_MEMORY); | |
592 | ||
593 | have_output = 1; | |
594 | } | |
595 | else if (!strcmp(argv[i], "--quiet")) | |
596 | { | |
597 | if ((temp = new_expr(IPPFIND_OP_QUIET, invert, NULL, NULL, | |
598 | NULL)) == NULL) | |
599 | return (IPPFIND_EXIT_MEMORY); | |
600 | ||
601 | have_output = 1; | |
602 | } | |
603 | else if (!strcmp(argv[i], "--remote")) | |
604 | { | |
605 | if ((temp = new_expr(IPPFIND_OP_IS_REMOTE, invert, NULL, NULL, | |
606 | NULL)) == NULL) | |
607 | return (IPPFIND_EXIT_MEMORY); | |
608 | } | |
609 | else if (!strcmp(argv[i], "--true")) | |
610 | { | |
611 | if ((temp = new_expr(IPPFIND_OP_TRUE, invert, NULL, argv[i], | |
612 | NULL)) == NULL) | |
613 | return (IPPFIND_EXIT_MEMORY); | |
614 | } | |
615 | else if (!strcmp(argv[i], "--txt")) | |
616 | { | |
617 | i ++; | |
618 | if (i >= argc) | |
70752071 MS |
619 | { |
620 | _cupsLangPrintf(stderr, _("ippfind: Expected key name after %s."), | |
621 | "--txt"); | |
766a8229 | 622 | show_usage(); |
70752071 | 623 | } |
766a8229 MS |
624 | |
625 | if ((temp = new_expr(IPPFIND_OP_TXT_EXISTS, invert, argv[i], NULL, | |
626 | NULL)) == NULL) | |
627 | return (IPPFIND_EXIT_MEMORY); | |
628 | } | |
629 | else if (!strncmp(argv[i], "--txt-", 5)) | |
630 | { | |
631 | const char *key = argv[i] + 5;/* TXT key */ | |
632 | ||
633 | i ++; | |
634 | if (i >= argc) | |
70752071 MS |
635 | { |
636 | _cupsLangPrintf(stderr, | |
637 | _("ippfind: Missing regular expression after %s."), | |
638 | argv[i - 1]); | |
766a8229 | 639 | show_usage(); |
70752071 | 640 | } |
766a8229 MS |
641 | |
642 | if ((temp = new_expr(IPPFIND_OP_TXT_REGEX, invert, key, argv[i], | |
643 | NULL)) == NULL) | |
644 | return (IPPFIND_EXIT_MEMORY); | |
645 | } | |
646 | else if (!strcmp(argv[i], "--uri")) | |
647 | { | |
648 | i ++; | |
649 | if (i >= argc) | |
70752071 MS |
650 | { |
651 | _cupsLangPrintf(stderr, | |
652 | _("ippfind: Missing regular expression after %s."), | |
653 | "--uri"); | |
766a8229 | 654 | show_usage(); |
70752071 | 655 | } |
766a8229 MS |
656 | |
657 | if ((temp = new_expr(IPPFIND_OP_URI_REGEX, invert, NULL, argv[i], | |
658 | NULL)) == NULL) | |
659 | return (IPPFIND_EXIT_MEMORY); | |
660 | } | |
661 | else if (!strcmp(argv[i], "--version")) | |
662 | { | |
663 | show_version(); | |
664 | } | |
665 | else | |
666 | { | |
667 | _cupsLangPrintf(stderr, _("%s: Unknown option \"%s\"."), | |
668 | "ippfind", argv[i]); | |
669 | show_usage(); | |
670 | } | |
671 | ||
672 | if (temp) | |
673 | { | |
674 | /* | |
675 | * Add new expression... | |
676 | */ | |
677 | ||
a505eef4 MS |
678 | if (logic == IPPFIND_OP_AND && |
679 | current && current->prev && | |
680 | parent && parent->op != IPPFIND_OP_AND) | |
681 | { | |
682 | /* | |
683 | * Need to re-group "current" in a new AND node... | |
684 | */ | |
685 | ||
686 | ippfind_expr_t *tempand; /* Temporary AND node */ | |
687 | ||
688 | if ((tempand = new_expr(IPPFIND_OP_AND, 0, NULL, NULL, | |
689 | NULL)) == NULL) | |
690 | return (IPPFIND_EXIT_MEMORY); | |
691 | ||
692 | /* | |
693 | * Replace "current" with new AND node at the end of this list... | |
694 | */ | |
695 | ||
696 | current->prev->next = tempand; | |
697 | tempand->prev = current->prev; | |
698 | tempand->parent = parent; | |
699 | ||
700 | /* | |
701 | * Add "current to the new AND node... | |
702 | */ | |
703 | ||
704 | tempand->child = current; | |
705 | current->parent = tempand; | |
706 | current->prev = NULL; | |
707 | parent = tempand; | |
708 | } | |
709 | ||
710 | /* | |
711 | * Add the new node at current level... | |
712 | */ | |
713 | ||
70752071 MS |
714 | temp->parent = parent; |
715 | temp->prev = current; | |
716 | ||
766a8229 | 717 | if (current) |
766a8229 | 718 | current->next = temp; |
766a8229 MS |
719 | else if (parent) |
720 | parent->child = temp; | |
721 | else | |
722 | expressions = temp; | |
723 | ||
70752071 MS |
724 | current = temp; |
725 | invert = 0; | |
726 | logic = IPPFIND_OP_AND; | |
727 | temp = NULL; | |
766a8229 MS |
728 | } |
729 | } | |
730 | else | |
731 | { | |
732 | /* | |
733 | * Parse -o options | |
734 | */ | |
735 | ||
736 | for (opt = argv[i] + 1; *opt; opt ++) | |
737 | { | |
738 | switch (*opt) | |
739 | { | |
740 | case '4' : | |
741 | address_family = AF_INET; | |
742 | break; | |
743 | ||
744 | case '6' : | |
745 | address_family = AF_INET6; | |
746 | break; | |
747 | ||
41743200 MS |
748 | case 'P' : |
749 | i ++; | |
750 | if (i >= argc) | |
70752071 MS |
751 | { |
752 | _cupsLangPrintf(stderr, | |
753 | _("ippfind: Expected port range after %s."), | |
754 | "-P"); | |
41743200 | 755 | show_usage(); |
70752071 | 756 | } |
41743200 MS |
757 | |
758 | if ((temp = new_expr(IPPFIND_OP_PORT_RANGE, invert, argv[i], | |
759 | NULL, NULL)) == NULL) | |
760 | return (IPPFIND_EXIT_MEMORY); | |
761 | break; | |
762 | ||
766a8229 MS |
763 | case 'T' : |
764 | i ++; | |
765 | if (i >= argc) | |
70752071 MS |
766 | { |
767 | _cupsLangPrintf(stderr, | |
768 | _("%s: Missing timeout for \"-T\"."), | |
769 | "ippfind"); | |
770 | show_usage(); | |
771 | } | |
766a8229 MS |
772 | |
773 | bonjour_timeout = atof(argv[i]); | |
774 | break; | |
775 | ||
776 | case 'V' : | |
777 | i ++; | |
778 | if (i >= argc) | |
70752071 MS |
779 | { |
780 | _cupsLangPrintf(stderr, | |
781 | _("%s: Missing version for \"-V\"."), | |
782 | "ippfind"); | |
783 | show_usage(); | |
784 | } | |
766a8229 MS |
785 | show_usage(); |
786 | ||
787 | if (!strcmp(argv[i], "1.1")) | |
788 | ipp_version = 11; | |
789 | else if (!strcmp(argv[i], "2.0")) | |
790 | ipp_version = 20; | |
791 | else if (!strcmp(argv[i], "2.1")) | |
792 | ipp_version = 21; | |
793 | else if (!strcmp(argv[i], "2.2")) | |
794 | ipp_version = 22; | |
795 | else | |
70752071 MS |
796 | { |
797 | _cupsLangPrintf(stderr, _("%s: Bad version %s for \"-V\"."), | |
798 | "ippfind", argv[i]); | |
766a8229 | 799 | show_usage(); |
70752071 | 800 | } |
766a8229 MS |
801 | break; |
802 | ||
803 | case 'd' : | |
804 | i ++; | |
805 | if (i >= argc) | |
70752071 MS |
806 | { |
807 | _cupsLangPrintf(stderr, | |
808 | _("ippfind: Missing regular expression after " | |
809 | "%s."), "-d"); | |
766a8229 | 810 | show_usage(); |
70752071 | 811 | } |
766a8229 MS |
812 | |
813 | if ((temp = new_expr(IPPFIND_OP_DOMAIN_REGEX, invert, NULL, | |
814 | argv[i], NULL)) == NULL) | |
815 | return (IPPFIND_EXIT_MEMORY); | |
816 | break; | |
817 | ||
41743200 MS |
818 | case 'h' : |
819 | i ++; | |
820 | if (i >= argc) | |
70752071 MS |
821 | { |
822 | _cupsLangPrintf(stderr, | |
823 | _("ippfind: Missing regular expression after " | |
824 | "%s."), "-h"); | |
41743200 | 825 | show_usage(); |
70752071 | 826 | } |
41743200 MS |
827 | |
828 | if ((temp = new_expr(IPPFIND_OP_HOST_REGEX, invert, NULL, | |
829 | argv[i], NULL)) == NULL) | |
830 | return (IPPFIND_EXIT_MEMORY); | |
831 | break; | |
832 | ||
766a8229 | 833 | case 'l' : |
766a8229 MS |
834 | if ((temp = new_expr(IPPFIND_OP_LIST, invert, NULL, NULL, |
835 | NULL)) == NULL) | |
836 | return (IPPFIND_EXIT_MEMORY); | |
837 | ||
838 | have_output = 1; | |
839 | break; | |
840 | ||
841 | case 'n' : | |
842 | i ++; | |
843 | if (i >= argc) | |
70752071 MS |
844 | { |
845 | _cupsLangPrintf(stderr, | |
846 | _("ippfind: Missing regular expression after " | |
847 | "%s."), "-n"); | |
766a8229 | 848 | show_usage(); |
70752071 | 849 | } |
766a8229 MS |
850 | |
851 | if ((temp = new_expr(IPPFIND_OP_NAME_REGEX, invert, NULL, | |
852 | argv[i], NULL)) == NULL) | |
853 | return (IPPFIND_EXIT_MEMORY); | |
854 | break; | |
855 | ||
856 | case 'p' : | |
857 | if ((temp = new_expr(IPPFIND_OP_PRINT_URI, invert, NULL, NULL, | |
858 | NULL)) == NULL) | |
859 | return (IPPFIND_EXIT_MEMORY); | |
860 | ||
861 | have_output = 1; | |
862 | break; | |
863 | ||
864 | case 'q' : | |
865 | if ((temp = new_expr(IPPFIND_OP_QUIET, invert, NULL, NULL, | |
866 | NULL)) == NULL) | |
867 | return (IPPFIND_EXIT_MEMORY); | |
868 | ||
869 | have_output = 1; | |
870 | break; | |
871 | ||
872 | case 'r' : | |
873 | if ((temp = new_expr(IPPFIND_OP_IS_REMOTE, invert, NULL, NULL, | |
874 | NULL)) == NULL) | |
875 | return (IPPFIND_EXIT_MEMORY); | |
876 | break; | |
877 | ||
878 | case 's' : | |
879 | if ((temp = new_expr(IPPFIND_OP_PRINT_NAME, invert, NULL, NULL, | |
880 | NULL)) == NULL) | |
881 | return (IPPFIND_EXIT_MEMORY); | |
882 | ||
883 | have_output = 1; | |
884 | break; | |
885 | ||
886 | case 't' : | |
887 | i ++; | |
888 | if (i >= argc) | |
70752071 MS |
889 | { |
890 | _cupsLangPrintf(stderr, | |
891 | _("ippfind: Missing key name after %s."), | |
892 | "-t"); | |
766a8229 | 893 | show_usage(); |
70752071 | 894 | } |
766a8229 MS |
895 | |
896 | if ((temp = new_expr(IPPFIND_OP_TXT_EXISTS, invert, argv[i], | |
897 | NULL, NULL)) == NULL) | |
898 | return (IPPFIND_EXIT_MEMORY); | |
899 | break; | |
900 | ||
901 | case 'u' : | |
902 | i ++; | |
903 | if (i >= argc) | |
70752071 MS |
904 | { |
905 | _cupsLangPrintf(stderr, | |
906 | _("ippfind: Missing regular expression after " | |
907 | "%s."), "-u"); | |
766a8229 | 908 | show_usage(); |
70752071 | 909 | } |
766a8229 MS |
910 | |
911 | if ((temp = new_expr(IPPFIND_OP_URI_REGEX, invert, NULL, | |
912 | argv[i], NULL)) == NULL) | |
913 | return (IPPFIND_EXIT_MEMORY); | |
914 | break; | |
915 | ||
e5528d42 MS |
916 | case 'x' : |
917 | i ++; | |
918 | if (i >= argc) | |
919 | { | |
920 | _cupsLangPrintf(stderr, | |
921 | _("ippfind: Missing program after %s."), | |
922 | "-x"); | |
923 | show_usage(); | |
924 | } | |
925 | ||
926 | if ((temp = new_expr(IPPFIND_OP_EXEC, invert, NULL, NULL, | |
927 | argv + i)) == NULL) | |
928 | return (IPPFIND_EXIT_MEMORY); | |
929 | ||
930 | while (i < argc) | |
931 | if (!strcmp(argv[i], ";")) | |
932 | break; | |
933 | else | |
934 | i ++; | |
935 | ||
936 | if (i >= argc) | |
937 | { | |
938 | _cupsLangPrintf(stderr, | |
939 | _("ippfind: Missing semi-colon after %s."), | |
940 | "-x"); | |
941 | show_usage(); | |
942 | } | |
943 | ||
944 | have_output = 1; | |
945 | break; | |
946 | ||
766a8229 MS |
947 | default : |
948 | _cupsLangPrintf(stderr, _("%s: Unknown option \"-%c\"."), | |
949 | "ippfind", *opt); | |
950 | show_usage(); | |
951 | break; | |
952 | } | |
953 | ||
954 | if (temp) | |
955 | { | |
956 | /* | |
957 | * Add new expression... | |
958 | */ | |
959 | ||
a505eef4 MS |
960 | if (logic == IPPFIND_OP_AND && |
961 | current && current->prev && | |
962 | parent && parent->op != IPPFIND_OP_AND) | |
963 | { | |
964 | /* | |
965 | * Need to re-group "current" in a new AND node... | |
966 | */ | |
967 | ||
968 | ippfind_expr_t *tempand; /* Temporary AND node */ | |
969 | ||
970 | if ((tempand = new_expr(IPPFIND_OP_AND, 0, NULL, NULL, | |
971 | NULL)) == NULL) | |
972 | return (IPPFIND_EXIT_MEMORY); | |
973 | ||
974 | /* | |
975 | * Replace "current" with new AND node at the end of this list... | |
976 | */ | |
977 | ||
978 | current->prev->next = tempand; | |
979 | tempand->prev = current->prev; | |
980 | tempand->parent = parent; | |
981 | ||
982 | /* | |
983 | * Add "current to the new AND node... | |
984 | */ | |
985 | ||
986 | tempand->child = current; | |
987 | current->parent = tempand; | |
988 | current->prev = NULL; | |
989 | parent = tempand; | |
990 | } | |
991 | ||
992 | /* | |
993 | * Add the new node at current level... | |
994 | */ | |
995 | ||
70752071 MS |
996 | temp->parent = parent; |
997 | temp->prev = current; | |
998 | ||
766a8229 | 999 | if (current) |
766a8229 | 1000 | current->next = temp; |
766a8229 MS |
1001 | else if (parent) |
1002 | parent->child = temp; | |
1003 | else | |
1004 | expressions = temp; | |
1005 | ||
70752071 MS |
1006 | current = temp; |
1007 | invert = 0; | |
1008 | logic = IPPFIND_OP_AND; | |
1009 | temp = NULL; | |
766a8229 MS |
1010 | } |
1011 | } | |
1012 | } | |
1013 | } | |
1014 | else if (!strcmp(argv[i], "(")) | |
bac07992 | 1015 | { |
a505eef4 MS |
1016 | if (num_parens >= 100) |
1017 | { | |
1018 | _cupsLangPuts(stderr, _("ippfind: Too many parenthesis.")); | |
1019 | show_usage(); | |
1020 | } | |
1021 | ||
766a8229 MS |
1022 | if ((temp = new_expr(IPPFIND_OP_AND, invert, NULL, NULL, NULL)) == NULL) |
1023 | return (IPPFIND_EXIT_MEMORY); | |
1024 | ||
a505eef4 MS |
1025 | parens[num_parens++] = temp; |
1026 | ||
766a8229 MS |
1027 | if (current) |
1028 | { | |
1029 | temp->parent = current->parent; | |
1030 | current->next = temp; | |
a505eef4 | 1031 | temp->prev = current; |
766a8229 MS |
1032 | } |
1033 | else | |
1034 | expressions = temp; | |
1035 | ||
a505eef4 MS |
1036 | parent = temp; |
1037 | current = NULL; | |
1038 | invert = 0; | |
1039 | logic = IPPFIND_OP_AND; | |
bac07992 | 1040 | } |
766a8229 MS |
1041 | else if (!strcmp(argv[i], ")")) |
1042 | { | |
a505eef4 | 1043 | if (num_parens <= 0) |
766a8229 MS |
1044 | { |
1045 | _cupsLangPuts(stderr, _("ippfind: Missing open parenthesis.")); | |
1046 | show_usage(); | |
1047 | } | |
bac07992 | 1048 | |
a505eef4 | 1049 | current = parens[--num_parens]; |
766a8229 | 1050 | parent = current->parent; |
a505eef4 MS |
1051 | invert = 0; |
1052 | logic = IPPFIND_OP_AND; | |
766a8229 MS |
1053 | } |
1054 | else if (!strcmp(argv[i], "!")) | |
1055 | { | |
1056 | invert = 1; | |
1057 | } | |
1058 | else | |
1059 | { | |
1060 | /* | |
1061 | * _regtype._tcp[,subtype][.domain] | |
1062 | * | |
1063 | * OR | |
1064 | * | |
1065 | * service-name[._regtype._tcp[.domain]] | |
1066 | */ | |
bac07992 | 1067 | |
766a8229 MS |
1068 | cupsArrayAdd(searches, argv[i]); |
1069 | } | |
1070 | } | |
1071 | ||
a505eef4 | 1072 | if (num_parens > 0) |
766a8229 MS |
1073 | { |
1074 | _cupsLangPuts(stderr, _("ippfind: Missing close parenthesis.")); | |
1075 | show_usage(); | |
1076 | } | |
bac07992 | 1077 | |
766a8229 MS |
1078 | if (!have_output) |
1079 | { | |
1080 | /* | |
1081 | * Add an implicit --print-uri to the end... | |
1082 | */ | |
1083 | ||
1084 | if ((temp = new_expr(IPPFIND_OP_PRINT_URI, 0, NULL, NULL, NULL)) == NULL) | |
1085 | return (IPPFIND_EXIT_MEMORY); | |
1086 | ||
1087 | if (current) | |
1088 | { | |
a505eef4 MS |
1089 | while (current->parent) |
1090 | current = current->parent; | |
1091 | ||
766a8229 | 1092 | current->next = temp; |
a505eef4 | 1093 | temp->prev = current; |
766a8229 MS |
1094 | } |
1095 | else | |
1096 | expressions = temp; | |
a505eef4 MS |
1097 | } |
1098 | ||
1099 | if (cupsArrayCount(searches) == 0) | |
1100 | { | |
1101 | /* | |
1102 | * Add an implicit browse for IPP printers ("_ipp._tcp")... | |
1103 | */ | |
1104 | ||
1105 | cupsArrayAdd(searches, "_ipp._tcp"); | |
1106 | } | |
1107 | ||
1108 | if (getenv("IPPFIND_DEBUG")) | |
1109 | { | |
70752071 | 1110 | int indent = 4; /* Indentation */ |
a505eef4 MS |
1111 | |
1112 | puts("Expression tree:"); | |
1113 | current = expressions; | |
1114 | while (current) | |
1115 | { | |
1116 | /* | |
1117 | * Print the current node... | |
1118 | */ | |
1119 | ||
1120 | printf("%*s%s%s\n", indent, "", current->invert ? "!" : "", | |
1121 | ops[current->op]); | |
1122 | ||
1123 | /* | |
1124 | * Advance to the next node... | |
1125 | */ | |
1126 | ||
1127 | if (current->child) | |
1128 | { | |
1129 | current = current->child; | |
1130 | indent += 4; | |
1131 | } | |
1132 | else if (current->next) | |
1133 | current = current->next; | |
1134 | else if (current->parent) | |
1135 | { | |
70752071 MS |
1136 | while (current->parent) |
1137 | { | |
1138 | indent -= 4; | |
1139 | current = current->parent; | |
1140 | if (current->next) | |
1141 | break; | |
1142 | } | |
1143 | ||
1144 | current = current->next; | |
a505eef4 MS |
1145 | } |
1146 | else | |
1147 | current = NULL; | |
1148 | } | |
bac07992 | 1149 | |
a505eef4 MS |
1150 | puts("\nSearch items:"); |
1151 | for (search = (const char *)cupsArrayFirst(searches); | |
1152 | search; | |
1153 | search = (const char *)cupsArrayNext(searches)) | |
1154 | printf(" %s\n", search); | |
766a8229 | 1155 | } |
bac07992 MS |
1156 | |
1157 | /* | |
766a8229 | 1158 | * Start up browsing/resolving... |
bac07992 MS |
1159 | */ |
1160 | ||
766a8229 MS |
1161 | #ifdef HAVE_DNSSD |
1162 | if ((err = DNSServiceCreateConnection(&dnssd_ref)) != kDNSServiceErr_NoError) | |
1163 | { | |
1164 | _cupsLangPrintf(stderr, _("ippfind: Unable to use Bonjour: %s"), | |
1165 | dnssd_error_string(err)); | |
1166 | return (IPPFIND_EXIT_BONJOUR); | |
1167 | } | |
bac07992 | 1168 | |
766a8229 MS |
1169 | #elif defined(HAVE_AVAHI) |
1170 | if ((avahi_poll = avahi_simple_poll_new()) == NULL) | |
bac07992 | 1171 | { |
94b4b4a0 MS |
1172 | _cupsLangPrintf(stderr, _("ippfind: Unable to use Bonjour: %s"), |
1173 | strerror(errno)); | |
766a8229 MS |
1174 | return (IPPFIND_EXIT_BONJOUR); |
1175 | } | |
bac07992 | 1176 | |
766a8229 | 1177 | avahi_simple_poll_set_func(avahi_poll, poll_callback, NULL); |
bac07992 | 1178 | |
766a8229 MS |
1179 | avahi_client = avahi_client_new(avahi_simple_poll_get(avahi_poll), |
1180 | 0, client_callback, avahi_poll, &err); | |
7e5023dd | 1181 | if (!avahi_client) |
766a8229 | 1182 | { |
94b4b4a0 MS |
1183 | _cupsLangPrintf(stderr, _("ippfind: Unable to use Bonjour: %s"), |
1184 | dnssd_error_string(err)); | |
766a8229 MS |
1185 | return (IPPFIND_EXIT_BONJOUR); |
1186 | } | |
1187 | #endif /* HAVE_DNSSD */ | |
bac07992 | 1188 | |
766a8229 MS |
1189 | for (search = (const char *)cupsArrayFirst(searches); |
1190 | search; | |
1191 | search = (const char *)cupsArrayNext(searches)) | |
1192 | { | |
1193 | char buf[1024], /* Full name string */ | |
1194 | *name = NULL, /* Service instance name */ | |
1195 | *regtype, /* Registration type */ | |
1196 | *domain; /* Domain, if any */ | |
bac07992 | 1197 | |
766a8229 MS |
1198 | strlcpy(buf, search, sizeof(buf)); |
1199 | if (buf[0] == '_') | |
1200 | { | |
1201 | regtype = buf; | |
1202 | } | |
1203 | else if ((regtype = strstr(buf, "._")) != NULL) | |
1204 | { | |
1205 | name = buf; | |
1206 | *regtype++ = '\0'; | |
1207 | } | |
1208 | else | |
1209 | { | |
1210 | name = buf; | |
1211 | regtype = "_ipp._tcp"; | |
1212 | } | |
bac07992 | 1213 | |
766a8229 MS |
1214 | for (domain = regtype; *domain; domain ++) |
1215 | if (*domain == '.' && domain[1] != '_') | |
1216 | { | |
1217 | *domain++ = '\0'; | |
bac07992 | 1218 | break; |
766a8229 | 1219 | } |
bac07992 | 1220 | |
766a8229 MS |
1221 | if (!*domain) |
1222 | domain = NULL; | |
1223 | ||
1224 | if (name) | |
bac07992 MS |
1225 | { |
1226 | /* | |
766a8229 | 1227 | * Resolve the given service instance name, regtype, and domain... |
bac07992 MS |
1228 | */ |
1229 | ||
766a8229 MS |
1230 | if (!domain) |
1231 | domain = "local."; | |
1232 | ||
1233 | service = get_service(services, name, regtype, domain); | |
1234 | ||
1235 | #ifdef HAVE_DNSSD | |
1236 | service->ref = dnssd_ref; | |
1237 | err = DNSServiceResolve(&(service->ref), | |
1238 | kDNSServiceFlagsShareConnection, 0, name, | |
1239 | regtype, domain, resolve_callback, | |
1240 | service); | |
1241 | ||
1242 | #elif defined(HAVE_AVAHI) | |
1243 | service->ref = avahi_service_resolver_new(avahi_client, AVAHI_IF_UNSPEC, | |
1244 | AVAHI_PROTO_UNSPEC, name, | |
1245 | regtype, domain, | |
1246 | AVAHI_PROTO_UNSPEC, 0, | |
1247 | resolve_callback, service); | |
1248 | if (service->ref) | |
1249 | err = 0; | |
1250 | else | |
7e5023dd | 1251 | err = avahi_client_errno(avahi_client); |
766a8229 | 1252 | #endif /* HAVE_DNSSD */ |
bac07992 MS |
1253 | } |
1254 | else | |
1255 | { | |
1256 | /* | |
766a8229 | 1257 | * Browse for services of the given type... |
bac07992 MS |
1258 | */ |
1259 | ||
766a8229 MS |
1260 | #ifdef HAVE_DNSSD |
1261 | DNSServiceRef ref; /* Browse reference */ | |
bac07992 | 1262 | |
766a8229 MS |
1263 | ref = dnssd_ref; |
1264 | err = DNSServiceBrowse(&ref, kDNSServiceFlagsShareConnection, 0, regtype, | |
1265 | domain, browse_callback, services); | |
bac07992 | 1266 | |
766a8229 | 1267 | if (!err) |
bac07992 | 1268 | { |
766a8229 MS |
1269 | ref = dnssd_ref; |
1270 | err = DNSServiceBrowse(&ref, kDNSServiceFlagsShareConnection, | |
1271 | kDNSServiceInterfaceIndexLocalOnly, regtype, | |
1272 | domain, browse_local_callback, services); | |
1273 | } | |
bac07992 | 1274 | |
766a8229 MS |
1275 | #elif defined(HAVE_AVAHI) |
1276 | if (avahi_service_browser_new(avahi_client, AVAHI_IF_UNSPEC, | |
1277 | AVAHI_PROTO_UNSPEC, regtype, domain, 0, | |
1278 | browse_callback, services)) | |
1279 | err = 0; | |
1280 | else | |
7e5023dd | 1281 | err = avahi_client_errno(avahi_client); |
766a8229 MS |
1282 | #endif /* HAVE_DNSSD */ |
1283 | } | |
bac07992 | 1284 | |
766a8229 MS |
1285 | if (err) |
1286 | { | |
1287 | _cupsLangPrintf(stderr, _("ippfind: Unable to browse or resolve: %s"), | |
1288 | dnssd_error_string(err)); | |
1289 | ||
1290 | if (name) | |
1291 | printf("name=\"%s\"\n", name); | |
1292 | ||
1293 | printf("regtype=\"%s\"\n", regtype); | |
1294 | ||
1295 | if (domain) | |
1296 | printf("domain=\"%s\"\n", domain); | |
1297 | ||
1298 | return (IPPFIND_EXIT_BONJOUR); | |
bac07992 MS |
1299 | } |
1300 | } | |
1301 | ||
766a8229 MS |
1302 | /* |
1303 | * Process browse/resolve requests... | |
1304 | */ | |
1305 | ||
1306 | if (bonjour_timeout > 1.0) | |
1307 | endtime = get_time() + bonjour_timeout; | |
1308 | else | |
1309 | endtime = get_time() + 300.0; | |
1310 | ||
1311 | while (get_time() < endtime) | |
bac07992 | 1312 | { |
766a8229 MS |
1313 | int process = 0; /* Process services? */ |
1314 | ||
1315 | #ifdef HAVE_DNSSD | |
1316 | int fd = DNSServiceRefSockFD(dnssd_ref); | |
1317 | /* File descriptor for DNS-SD */ | |
1318 | ||
1319 | FD_ZERO(&sinput); | |
1320 | FD_SET(fd, &sinput); | |
1321 | ||
1322 | stimeout.tv_sec = 0; | |
1323 | stimeout.tv_usec = 500000; | |
1324 | ||
1325 | if (select(fd + 1, &sinput, NULL, NULL, &stimeout) < 0) | |
bac07992 MS |
1326 | continue; |
1327 | ||
766a8229 MS |
1328 | if (FD_ISSET(fd, &sinput)) |
1329 | { | |
1330 | /* | |
1331 | * Process responses... | |
1332 | */ | |
bac07992 | 1333 | |
766a8229 MS |
1334 | DNSServiceProcessResult(dnssd_ref); |
1335 | } | |
1336 | else | |
bac07992 | 1337 | { |
766a8229 MS |
1338 | /* |
1339 | * Time to process services... | |
1340 | */ | |
1341 | ||
1342 | process = 1; | |
bac07992 MS |
1343 | } |
1344 | ||
766a8229 MS |
1345 | #elif defined(HAVE_AVAHI) |
1346 | avahi_got_data = 0; | |
bac07992 | 1347 | |
766a8229 MS |
1348 | if (avahi_simple_poll_iterate(avahi_poll, 500) > 0) |
1349 | { | |
1350 | /* | |
1351 | * We've been told to exit the loop. Perhaps the connection to | |
1352 | * Avahi failed. | |
1353 | */ | |
bac07992 | 1354 | |
766a8229 MS |
1355 | return (IPPFIND_EXIT_BONJOUR); |
1356 | } | |
1357 | ||
1358 | if (!avahi_got_data) | |
bac07992 | 1359 | { |
766a8229 MS |
1360 | /* |
1361 | * Time to process services... | |
1362 | */ | |
bac07992 | 1363 | |
766a8229 MS |
1364 | process = 1; |
1365 | } | |
1366 | #endif /* HAVE_DNSSD */ | |
bac07992 | 1367 | |
766a8229 MS |
1368 | if (process) |
1369 | { | |
1370 | /* | |
1371 | * Process any services that we have found... | |
1372 | */ | |
bac07992 | 1373 | |
766a8229 MS |
1374 | int active = 0, /* Number of active resolves */ |
1375 | resolved = 0, /* Number of resolved services */ | |
1376 | processed = 0; /* Number of processed services */ | |
1377 | ||
1378 | for (service = (ippfind_srv_t *)cupsArrayFirst(services); | |
1379 | service; | |
1380 | service = (ippfind_srv_t *)cupsArrayNext(services)) | |
bac07992 | 1381 | { |
766a8229 MS |
1382 | if (service->is_processed) |
1383 | processed ++; | |
bac07992 | 1384 | |
766a8229 MS |
1385 | if (service->is_resolved) |
1386 | resolved ++; | |
bac07992 | 1387 | |
766a8229 | 1388 | if (!service->ref && !service->is_resolved) |
bac07992 | 1389 | { |
766a8229 MS |
1390 | /* |
1391 | * Found a service, now resolve it (but limit to 50 active resolves...) | |
1392 | */ | |
bac07992 | 1393 | |
766a8229 MS |
1394 | if (active < 50) |
1395 | { | |
1396 | #ifdef HAVE_DNSSD | |
1397 | service->ref = dnssd_ref; | |
1398 | err = DNSServiceResolve(&(service->ref), | |
1399 | kDNSServiceFlagsShareConnection, 0, | |
1400 | service->name, service->regtype, | |
1401 | service->domain, resolve_callback, | |
1402 | service); | |
bac07992 | 1403 | |
766a8229 MS |
1404 | #elif defined(HAVE_AVAHI) |
1405 | service->ref = avahi_service_resolver_new(avahi_client, | |
1406 | AVAHI_IF_UNSPEC, | |
1407 | AVAHI_PROTO_UNSPEC, | |
1408 | service->name, | |
1409 | service->regtype, | |
1410 | service->domain, | |
1411 | AVAHI_PROTO_UNSPEC, 0, | |
1412 | resolve_callback, | |
1413 | service); | |
1414 | if (service->ref) | |
1415 | err = 0; | |
1416 | else | |
7e5023dd | 1417 | err = avahi_client_errno(avahi_client); |
766a8229 | 1418 | #endif /* HAVE_DNSSD */ |
bac07992 | 1419 | |
766a8229 MS |
1420 | if (err) |
1421 | { | |
1422 | _cupsLangPrintf(stderr, | |
1423 | _("ippfind: Unable to browse or resolve: %s"), | |
1424 | dnssd_error_string(err)); | |
1425 | return (IPPFIND_EXIT_BONJOUR); | |
1426 | } | |
bac07992 | 1427 | |
766a8229 MS |
1428 | active ++; |
1429 | } | |
bac07992 | 1430 | } |
766a8229 | 1431 | else if (service->is_resolved && !service->is_processed) |
bac07992 | 1432 | { |
766a8229 MS |
1433 | /* |
1434 | * Resolved, not process this service against the expressions... | |
1435 | */ | |
bac07992 | 1436 | |
766a8229 MS |
1437 | if (service->ref) |
1438 | { | |
1439 | #ifdef HAVE_DNSSD | |
1440 | DNSServiceRefDeallocate(service->ref); | |
1441 | #else | |
7e5023dd | 1442 | avahi_service_resolver_free(service->ref); |
766a8229 | 1443 | #endif /* HAVE_DNSSD */ |
bac07992 | 1444 | |
766a8229 | 1445 | service->ref = NULL; |
bac07992 | 1446 | } |
bac07992 | 1447 | |
766a8229 MS |
1448 | if (!eval_expr(service, expressions)) |
1449 | status = IPPFIND_EXIT_FALSE; | |
bac07992 | 1450 | |
766a8229 | 1451 | service->is_processed = 1; |
bac07992 | 1452 | } |
766a8229 MS |
1453 | else if (service->ref) |
1454 | active ++; | |
1455 | } | |
bac07992 | 1456 | |
766a8229 MS |
1457 | /* |
1458 | * If we have processed all services we have discovered, then we are done. | |
1459 | */ | |
bac07992 | 1460 | |
766a8229 MS |
1461 | if (processed == cupsArrayCount(services) && bonjour_timeout <= 1.0) |
1462 | break; | |
bac07992 | 1463 | } |
bac07992 MS |
1464 | } |
1465 | ||
766a8229 MS |
1466 | if (bonjour_error) |
1467 | return (IPPFIND_EXIT_BONJOUR); | |
1468 | else | |
1469 | return (status); | |
bac07992 MS |
1470 | } |
1471 | ||
1472 | ||
1473 | #ifdef HAVE_DNSSD | |
1474 | /* | |
1475 | * 'browse_callback()' - Browse devices. | |
1476 | */ | |
1477 | ||
83385e29 | 1478 | static void DNSSD_API |
bac07992 MS |
1479 | browse_callback( |
1480 | DNSServiceRef sdRef, /* I - Service reference */ | |
1481 | DNSServiceFlags flags, /* I - Option flags */ | |
1482 | uint32_t interfaceIndex, /* I - Interface number */ | |
1483 | DNSServiceErrorType errorCode, /* I - Error, if any */ | |
1484 | const char *serviceName, /* I - Name of service/device */ | |
1485 | const char *regtype, /* I - Type of service */ | |
1486 | const char *replyDomain, /* I - Service domain */ | |
1487 | void *context) /* I - Services array */ | |
1488 | { | |
1489 | /* | |
1490 | * Only process "add" data... | |
1491 | */ | |
1492 | ||
1493 | if (errorCode != kDNSServiceErr_NoError || !(flags & kDNSServiceFlagsAdd)) | |
1494 | return; | |
1495 | ||
1496 | /* | |
1497 | * Get the device... | |
1498 | */ | |
1499 | ||
1500 | get_service((cups_array_t *)context, serviceName, regtype, replyDomain); | |
1501 | } | |
1502 | ||
1503 | ||
1504 | /* | |
1505 | * 'browse_local_callback()' - Browse local devices. | |
1506 | */ | |
1507 | ||
83385e29 | 1508 | static void DNSSD_API |
bac07992 MS |
1509 | browse_local_callback( |
1510 | DNSServiceRef sdRef, /* I - Service reference */ | |
1511 | DNSServiceFlags flags, /* I - Option flags */ | |
1512 | uint32_t interfaceIndex, /* I - Interface number */ | |
1513 | DNSServiceErrorType errorCode, /* I - Error, if any */ | |
1514 | const char *serviceName, /* I - Name of service/device */ | |
1515 | const char *regtype, /* I - Type of service */ | |
1516 | const char *replyDomain, /* I - Service domain */ | |
1517 | void *context) /* I - Services array */ | |
1518 | { | |
1519 | ippfind_srv_t *service; /* Service */ | |
1520 | ||
1521 | ||
1522 | /* | |
1523 | * Only process "add" data... | |
1524 | */ | |
1525 | ||
1526 | if (errorCode != kDNSServiceErr_NoError || !(flags & kDNSServiceFlagsAdd)) | |
1527 | return; | |
1528 | ||
1529 | /* | |
1530 | * Get the device... | |
1531 | */ | |
1532 | ||
1533 | service = get_service((cups_array_t *)context, serviceName, regtype, | |
1534 | replyDomain); | |
1535 | service->is_local = 1; | |
1536 | } | |
1537 | #endif /* HAVE_DNSSD */ | |
1538 | ||
1539 | ||
1540 | #ifdef HAVE_AVAHI | |
1541 | /* | |
1542 | * 'browse_callback()' - Browse devices. | |
1543 | */ | |
1544 | ||
1545 | static void | |
1546 | browse_callback( | |
1547 | AvahiServiceBrowser *browser, /* I - Browser */ | |
1548 | AvahiIfIndex interface, /* I - Interface index (unused) */ | |
1549 | AvahiProtocol protocol, /* I - Network protocol (unused) */ | |
1550 | AvahiBrowserEvent event, /* I - What happened */ | |
1551 | const char *name, /* I - Service name */ | |
1552 | const char *type, /* I - Registration type */ | |
1553 | const char *domain, /* I - Domain */ | |
1554 | AvahiLookupResultFlags flags, /* I - Flags */ | |
1555 | void *context) /* I - Services array */ | |
1556 | { | |
1557 | AvahiClient *client = avahi_service_browser_get_client(browser); | |
1558 | /* Client information */ | |
1559 | ippfind_srv_t *service; /* Service information */ | |
1560 | ||
1561 | ||
1562 | (void)interface; | |
1563 | (void)protocol; | |
1564 | (void)context; | |
1565 | ||
1566 | switch (event) | |
1567 | { | |
1568 | case AVAHI_BROWSER_FAILURE: | |
1569 | fprintf(stderr, "DEBUG: browse_callback: %s\n", | |
1570 | avahi_strerror(avahi_client_errno(client))); | |
1571 | bonjour_error = 1; | |
94b4b4a0 | 1572 | avahi_simple_poll_quit(avahi_poll); |
bac07992 MS |
1573 | break; |
1574 | ||
1575 | case AVAHI_BROWSER_NEW: | |
1576 | /* | |
1577 | * This object is new on the network. Create a device entry for it if | |
1578 | * it doesn't yet exist. | |
1579 | */ | |
1580 | ||
1581 | service = get_service((cups_array_t *)context, name, type, domain); | |
1582 | ||
1583 | if (flags & AVAHI_LOOKUP_RESULT_LOCAL) | |
1584 | service->is_local = 1; | |
1585 | break; | |
1586 | ||
1587 | case AVAHI_BROWSER_REMOVE: | |
1588 | case AVAHI_BROWSER_ALL_FOR_NOW: | |
1589 | case AVAHI_BROWSER_CACHE_EXHAUSTED: | |
1590 | break; | |
1591 | } | |
1592 | } | |
1593 | ||
1594 | ||
1595 | /* | |
1596 | * 'client_callback()' - Avahi client callback function. | |
1597 | */ | |
1598 | ||
1599 | static void | |
1600 | client_callback( | |
1601 | AvahiClient *client, /* I - Client information (unused) */ | |
1602 | AvahiClientState state, /* I - Current state */ | |
1603 | void *context) /* I - User data (unused) */ | |
1604 | { | |
1605 | (void)client; | |
1606 | (void)context; | |
1607 | ||
1608 | /* | |
1609 | * If the connection drops, quit. | |
1610 | */ | |
1611 | ||
1612 | if (state == AVAHI_CLIENT_FAILURE) | |
1613 | { | |
1614 | fputs("DEBUG: Avahi connection failed.\n", stderr); | |
1615 | bonjour_error = 1; | |
1616 | avahi_simple_poll_quit(avahi_poll); | |
1617 | } | |
1618 | } | |
1619 | #endif /* HAVE_AVAHI */ | |
1620 | ||
1621 | ||
1622 | /* | |
1623 | * 'compare_services()' - Compare two devices. | |
1624 | */ | |
1625 | ||
1626 | static int /* O - Result of comparison */ | |
1627 | compare_services(ippfind_srv_t *a, /* I - First device */ | |
1628 | ippfind_srv_t *b) /* I - Second device */ | |
1629 | { | |
1630 | return (strcmp(a->name, b->name)); | |
1631 | } | |
1632 | ||
1633 | ||
766a8229 MS |
1634 | /* |
1635 | * 'dnssd_error_string()' - Return an error string for an error code. | |
1636 | */ | |
1637 | ||
1638 | static const char * /* O - Error message */ | |
1639 | dnssd_error_string(int error) /* I - Error number */ | |
1640 | { | |
1641 | # ifdef HAVE_DNSSD | |
1642 | switch (error) | |
1643 | { | |
1644 | case kDNSServiceErr_NoError : | |
1645 | return ("OK."); | |
1646 | ||
1647 | default : | |
1648 | case kDNSServiceErr_Unknown : | |
1649 | return ("Unknown error."); | |
1650 | ||
1651 | case kDNSServiceErr_NoSuchName : | |
1652 | return ("Service not found."); | |
1653 | ||
1654 | case kDNSServiceErr_NoMemory : | |
1655 | return ("Out of memory."); | |
1656 | ||
1657 | case kDNSServiceErr_BadParam : | |
1658 | return ("Bad parameter."); | |
1659 | ||
1660 | case kDNSServiceErr_BadReference : | |
1661 | return ("Bad service reference."); | |
1662 | ||
1663 | case kDNSServiceErr_BadState : | |
1664 | return ("Bad state."); | |
1665 | ||
1666 | case kDNSServiceErr_BadFlags : | |
1667 | return ("Bad flags."); | |
1668 | ||
1669 | case kDNSServiceErr_Unsupported : | |
1670 | return ("Unsupported."); | |
1671 | ||
1672 | case kDNSServiceErr_NotInitialized : | |
1673 | return ("Not initialized."); | |
1674 | ||
1675 | case kDNSServiceErr_AlreadyRegistered : | |
1676 | return ("Already registered."); | |
1677 | ||
1678 | case kDNSServiceErr_NameConflict : | |
1679 | return ("Name conflict."); | |
1680 | ||
1681 | case kDNSServiceErr_Invalid : | |
1682 | return ("Invalid name."); | |
1683 | ||
1684 | case kDNSServiceErr_Firewall : | |
1685 | return ("Firewall prevents registration."); | |
1686 | ||
1687 | case kDNSServiceErr_Incompatible : | |
1688 | return ("Client library incompatible."); | |
1689 | ||
1690 | case kDNSServiceErr_BadInterfaceIndex : | |
1691 | return ("Bad interface index."); | |
1692 | ||
1693 | case kDNSServiceErr_Refused : | |
1694 | return ("Server prevents registration."); | |
1695 | ||
1696 | case kDNSServiceErr_NoSuchRecord : | |
1697 | return ("Record not found."); | |
1698 | ||
1699 | case kDNSServiceErr_NoAuth : | |
1700 | return ("Authentication required."); | |
1701 | ||
1702 | case kDNSServiceErr_NoSuchKey : | |
1703 | return ("Encryption key not found."); | |
1704 | ||
1705 | case kDNSServiceErr_NATTraversal : | |
1706 | return ("Unable to traverse NAT boundary."); | |
1707 | ||
1708 | case kDNSServiceErr_DoubleNAT : | |
1709 | return ("Unable to traverse double-NAT boundary."); | |
1710 | ||
1711 | case kDNSServiceErr_BadTime : | |
1712 | return ("Bad system time."); | |
1713 | ||
1714 | case kDNSServiceErr_BadSig : | |
1715 | return ("Bad signature."); | |
1716 | ||
1717 | case kDNSServiceErr_BadKey : | |
1718 | return ("Bad encryption key."); | |
1719 | ||
1720 | case kDNSServiceErr_Transient : | |
1721 | return ("Transient error occurred - please try again."); | |
1722 | ||
1723 | case kDNSServiceErr_ServiceNotRunning : | |
1724 | return ("Server not running."); | |
1725 | ||
1726 | case kDNSServiceErr_NATPortMappingUnsupported : | |
1727 | return ("NAT doesn't support NAT-PMP or UPnP."); | |
1728 | ||
1729 | case kDNSServiceErr_NATPortMappingDisabled : | |
1730 | return ("NAT supports NAT-PNP or UPnP but it is disabled."); | |
1731 | ||
1732 | case kDNSServiceErr_NoRouter : | |
1733 | return ("No Internet/default router configured."); | |
1734 | ||
1735 | case kDNSServiceErr_PollingMode : | |
1736 | return ("Service polling mode error."); | |
1737 | ||
83385e29 | 1738 | #ifndef WIN32 |
766a8229 MS |
1739 | case kDNSServiceErr_Timeout : |
1740 | return ("Service timeout."); | |
83385e29 | 1741 | #endif /* !WIN32 */ |
766a8229 MS |
1742 | } |
1743 | ||
1744 | # elif defined(HAVE_AVAHI) | |
1745 | return (avahi_strerror(error)); | |
1746 | # endif /* HAVE_DNSSD */ | |
1747 | } | |
1748 | ||
1749 | ||
1750 | /* | |
1751 | * 'eval_expr()' - Evaluate the expressions against the specified service. | |
1752 | * | |
1753 | * Returns 1 for true and 0 for false. | |
1754 | */ | |
1755 | ||
1756 | static int /* O - Result of evaluation */ | |
1757 | eval_expr(ippfind_srv_t *service, /* I - Service */ | |
1758 | ippfind_expr_t *expressions) /* I - Expressions */ | |
1759 | { | |
41743200 MS |
1760 | int logic, /* Logical operation */ |
1761 | result; /* Result of current expression */ | |
1762 | ippfind_expr_t *expression; /* Current expression */ | |
1763 | const char *val; /* TXT value */ | |
1764 | ||
1765 | /* | |
1766 | * Loop through the expressions... | |
1767 | */ | |
1768 | ||
1769 | if (expressions && expressions->parent) | |
1770 | logic = expressions->parent->op; | |
1771 | else | |
1772 | logic = IPPFIND_OP_AND; | |
1773 | ||
1774 | for (expression = expressions; expression; expression = expression->next) | |
1775 | { | |
1776 | switch (expression->op) | |
1777 | { | |
1778 | default : | |
1779 | case IPPFIND_OP_AND : | |
1780 | case IPPFIND_OP_OR : | |
1781 | if (expression->child) | |
1782 | result = eval_expr(service, expression->child); | |
1783 | else | |
1784 | result = expression->op == IPPFIND_OP_AND; | |
1785 | break; | |
1786 | case IPPFIND_OP_TRUE : | |
1787 | result = 1; | |
1788 | break; | |
1789 | case IPPFIND_OP_FALSE : | |
1790 | result = 0; | |
1791 | break; | |
1792 | case IPPFIND_OP_IS_LOCAL : | |
1793 | result = service->is_local; | |
1794 | break; | |
1795 | case IPPFIND_OP_IS_REMOTE : | |
1796 | result = !service->is_local; | |
1797 | break; | |
1798 | case IPPFIND_OP_DOMAIN_REGEX : | |
1799 | result = !regexec(&(expression->re), service->domain, 0, NULL, 0); | |
1800 | break; | |
1801 | case IPPFIND_OP_NAME_REGEX : | |
1802 | result = !regexec(&(expression->re), service->name, 0, NULL, 0); | |
1803 | break; | |
1804 | case IPPFIND_OP_HOST_REGEX : | |
1805 | result = !regexec(&(expression->re), service->host, 0, NULL, 0); | |
1806 | break; | |
1807 | case IPPFIND_OP_PORT_RANGE : | |
1808 | result = service->port >= expression->range[0] && | |
1809 | service->port <= expression->range[1]; | |
1810 | break; | |
1811 | case IPPFIND_OP_PATH_REGEX : | |
1812 | result = !regexec(&(expression->re), service->resource, 0, NULL, 0); | |
1813 | break; | |
1814 | case IPPFIND_OP_TXT_EXISTS : | |
1815 | result = cupsGetOption(expression->key, service->num_txt, | |
1816 | service->txt) != NULL; | |
1817 | break; | |
1818 | case IPPFIND_OP_TXT_REGEX : | |
1819 | val = cupsGetOption(expression->key, service->num_txt, | |
1820 | service->txt); | |
1821 | if (val) | |
1822 | result = !regexec(&(expression->re), val, 0, NULL, 0); | |
1823 | else | |
1824 | result = 0; | |
1825 | break; | |
1826 | case IPPFIND_OP_URI_REGEX : | |
1827 | result = !regexec(&(expression->re), service->uri, 0, NULL, 0); | |
1828 | break; | |
1829 | case IPPFIND_OP_EXEC : | |
1830 | result = exec_program(service, expression->num_args, | |
2d0a0f48 | 1831 | expression->args); |
41743200 MS |
1832 | break; |
1833 | case IPPFIND_OP_LIST : | |
1834 | result = list_service(service); | |
1835 | break; | |
1836 | case IPPFIND_OP_PRINT_NAME : | |
1837 | _cupsLangPuts(stdout, service->name); | |
1838 | result = 1; | |
1839 | break; | |
1840 | case IPPFIND_OP_PRINT_URI : | |
1841 | _cupsLangPuts(stdout, service->uri); | |
1842 | result = 1; | |
1843 | break; | |
1844 | case IPPFIND_OP_QUIET : | |
1845 | result = 1; | |
1846 | break; | |
1847 | } | |
1848 | ||
1849 | if (expression->invert) | |
1850 | result = !result; | |
1851 | ||
1852 | if (logic == IPPFIND_OP_AND && !result) | |
1853 | return (0); | |
1854 | else if (logic == IPPFIND_OP_OR && result) | |
1855 | return (1); | |
1856 | } | |
1857 | ||
1858 | return (logic == IPPFIND_OP_AND); | |
1859 | } | |
1860 | ||
1861 | ||
1862 | /* | |
1863 | * 'exec_program()' - Execute a program for a service. | |
1864 | */ | |
1865 | ||
1866 | static int /* O - 1 if program terminated | |
1867 | successfully, 0 otherwise. */ | |
1868 | exec_program(ippfind_srv_t *service, /* I - Service */ | |
1869 | int num_args, /* I - Number of command-line args */ | |
1870 | char **args) /* I - Command-line arguments */ | |
1871 | { | |
2d0a0f48 MS |
1872 | char **myargv, /* Command-line arguments */ |
1873 | **myenvp, /* Environment variables */ | |
1874 | *ptr, /* Pointer into variable */ | |
1875 | domain[1024], /* IPPFIND_SERVICE_DOMAIN */ | |
1876 | hostname[1024], /* IPPFIND_SERVICE_HOSTNAME */ | |
1877 | name[256], /* IPPFIND_SERVICE_NAME */ | |
1878 | port[32], /* IPPFIND_SERVICE_PORT */ | |
1879 | regtype[256], /* IPPFIND_SERVICE_REGTYPE */ | |
1880 | scheme[128], /* IPPFIND_SERVICE_SCHEME */ | |
1881 | uri[1024], /* IPPFIND_SERVICE_URI */ | |
1882 | txt[100][256]; /* IPPFIND_TXT_foo */ | |
1883 | int i, /* Looping var */ | |
1884 | myenvc, /* Number of environment variables */ | |
1885 | status; /* Exit status of program */ | |
1886 | #ifndef WIN32 | |
1887 | char program[1024]; /* Program to execute */ | |
1888 | int pid; /* Process ID */ | |
1889 | #endif /* !WIN32 */ | |
766a8229 | 1890 | |
2d0a0f48 MS |
1891 | |
1892 | /* | |
1893 | * Environment variables... | |
1894 | */ | |
1895 | ||
1896 | snprintf(domain, sizeof(domain), "IPPFIND_SERVICE_DOMAIN=%s", | |
1897 | service->domain); | |
1898 | snprintf(hostname, sizeof(hostname), "IPPFIND_SERVICE_HOSTNAME=%s", | |
1899 | service->host); | |
1900 | snprintf(name, sizeof(name), "IPPFIND_SERVICE_NAME=%s", service->name); | |
1901 | snprintf(port, sizeof(port), "IPPFIND_SERVICE_PORT=%d", service->port); | |
1902 | snprintf(regtype, sizeof(regtype), "IPPFIND_SERVICE_REGTYPE=%s", | |
1903 | service->regtype); | |
1904 | snprintf(scheme, sizeof(scheme), "IPPFIND_SERVICE_SCHEME=%s", | |
1905 | !strncmp(service->regtype, "_http._tcp", 10) ? "http" : | |
1906 | !strncmp(service->regtype, "_https._tcp", 11) ? "https" : | |
1907 | !strncmp(service->regtype, "_ipp._tcp", 9) ? "ipp" : | |
1908 | !strncmp(service->regtype, "_ipps._tcp", 10) ? "ipps" : "lpd"); | |
1909 | snprintf(uri, sizeof(uri), "IPPFIND_SERVICE_URI=%s", service->uri); | |
1910 | for (i = 0; i < service->num_txt && i < 100; i ++) | |
1911 | { | |
1912 | snprintf(txt[i], sizeof(txt[i]), "IPPFIND_TXT_%s=%s", service->txt[i].name, | |
1913 | service->txt[i].value); | |
1914 | for (ptr = txt[i] + 12; *ptr && *ptr != '='; ptr ++) | |
1915 | *ptr = _cups_toupper(*ptr); | |
1916 | } | |
1917 | ||
1918 | for (i = 0, myenvc = 7 + service->num_txt; environ[i]; i ++) | |
1919 | if (strncmp(environ[i], "IPPFIND_", 8)) | |
1920 | myenvc ++; | |
1921 | ||
1922 | if ((myenvp = calloc(sizeof(char *), myenvc + 1)) == NULL) | |
1923 | { | |
1924 | _cupsLangPuts(stderr, _("ippfind: Out of memory.")); | |
1925 | exit(IPPFIND_EXIT_MEMORY); | |
1926 | } | |
1927 | ||
1928 | for (i = 0, myenvc = 0; environ[i]; i ++) | |
1929 | if (strncmp(environ[i], "IPPFIND_", 8)) | |
1930 | myenvp[myenvc++] = environ[i]; | |
1931 | ||
1932 | myenvp[myenvc++] = domain; | |
1933 | myenvp[myenvc++] = hostname; | |
1934 | myenvp[myenvc++] = name; | |
1935 | myenvp[myenvc++] = port; | |
1936 | myenvp[myenvc++] = regtype; | |
1937 | myenvp[myenvc++] = scheme; | |
1938 | myenvp[myenvc++] = uri; | |
1939 | ||
1940 | for (i = 0; i < service->num_txt && i < 100; i ++) | |
1941 | myenvp[myenvc++] = txt[i]; | |
1942 | ||
1943 | /* | |
1944 | * Allocate and copy command-line arguments... | |
1945 | */ | |
1946 | ||
1947 | if ((myargv = calloc(sizeof(char *), num_args + 1)) == NULL) | |
1948 | { | |
1949 | _cupsLangPuts(stderr, _("ippfind: Out of memory.")); | |
1950 | exit(IPPFIND_EXIT_MEMORY); | |
1951 | } | |
1952 | ||
1953 | for (i = 0; i < num_args; i ++) | |
1954 | { | |
1955 | if (strchr(args[i], '{')) | |
1956 | { | |
1957 | char temp[2048], /* Temporary string */ | |
1958 | *tptr, /* Pointer into temporary string */ | |
1959 | keyword[256], /* {keyword} */ | |
1960 | *kptr; /* Pointer into keyword */ | |
1961 | ||
1962 | for (ptr = args[i], tptr = temp; *ptr; ptr ++) | |
1963 | { | |
1964 | if (*ptr == '{') | |
1965 | { | |
1966 | /* | |
1967 | * Do a {var} substitution... | |
1968 | */ | |
1969 | ||
1970 | for (kptr = keyword, ptr ++; *ptr && *ptr != '}'; ptr ++) | |
1971 | if (kptr < (keyword + sizeof(keyword) - 1)) | |
1972 | *kptr++ = *ptr; | |
1973 | ||
1974 | if (*ptr != '}') | |
1975 | { | |
1976 | _cupsLangPuts(stderr, | |
1977 | _("ippfind: Missing close brace in substitution.")); | |
1978 | exit(IPPFIND_EXIT_SYNTAX); | |
1979 | } | |
1980 | ||
1981 | *kptr = '\0'; | |
1982 | if (!keyword[0] || !strcmp(keyword, "service_uri")) | |
1983 | strlcpy(tptr, service->uri, sizeof(temp) - (tptr - temp)); | |
1984 | else if (!strcmp(keyword, "service_domain")) | |
1985 | strlcpy(tptr, service->domain, sizeof(temp) - (tptr - temp)); | |
1986 | else if (!strcmp(keyword, "service_hostname")) | |
1987 | strlcpy(tptr, service->host, sizeof(temp) - (tptr - temp)); | |
1988 | else if (!strcmp(keyword, "service_name")) | |
1989 | strlcpy(tptr, service->name, sizeof(temp) - (tptr - temp)); | |
1990 | else if (!strcmp(keyword, "service_path")) | |
1991 | strlcpy(tptr, service->resource, sizeof(temp) - (tptr - temp)); | |
1992 | else if (!strcmp(keyword, "service_port")) | |
1993 | strlcpy(tptr, port + 20, sizeof(temp) - (tptr - temp)); | |
1994 | else if (!strcmp(keyword, "service_scheme")) | |
1995 | strlcpy(tptr, scheme + 22, sizeof(temp) - (tptr - temp)); | |
1996 | else if (!strncmp(keyword, "txt_", 4)) | |
1997 | { | |
1998 | if ((ptr = (char *)cupsGetOption(keyword + 4, service->num_txt, | |
1999 | service->txt)) != NULL) | |
2000 | strlcpy(tptr, strdup(ptr), sizeof(temp) - (tptr - temp)); | |
2001 | else | |
2002 | *tptr = '\0'; | |
2003 | } | |
2004 | else | |
2005 | { | |
2006 | _cupsLangPrintf(stderr, _("ippfind: Unknown variable \"{%s}\"."), | |
2007 | keyword); | |
2008 | exit(IPPFIND_EXIT_SYNTAX); | |
2009 | } | |
2010 | ||
2011 | tptr += strlen(tptr); | |
2012 | } | |
2013 | else if (tptr < (temp + sizeof(temp) - 1)) | |
2014 | *tptr++ = *ptr; | |
2015 | } | |
2016 | ||
2017 | *tptr = '\0'; | |
2018 | myargv[i] = strdup(temp); | |
2019 | } | |
2020 | else | |
2021 | myargv[i] = strdup(args[i]); | |
2022 | } | |
2023 | ||
2024 | #ifdef WIN32 | |
2025 | status = _spawnvpe(_P_WAIT, args[0], myargv, myenvp); | |
2026 | ||
2027 | #else | |
2028 | /* | |
2029 | * Execute the program... | |
2030 | */ | |
2031 | ||
2032 | if (strchr(args[0], '/') && !access(args[0], X_OK)) | |
2033 | strlcpy(program, args[0], sizeof(program)); | |
2034 | else if (!cupsFileFind(args[0], getenv("PATH"), 1, program, sizeof(program))) | |
2035 | { | |
2036 | _cupsLangPrintf(stderr, _("ippfind: Unable to execute \"%s\": %s"), | |
2037 | args[0], strerror(ENOENT)); | |
2038 | exit(IPPFIND_EXIT_SYNTAX); | |
2039 | } | |
2040 | ||
2041 | if (getenv("IPPFIND_DEBUG")) | |
2042 | { | |
2043 | printf("\nProgram:\n %s\n", program); | |
2044 | puts("\nArguments:"); | |
2045 | for (i = 0; i < num_args; i ++) | |
2046 | printf(" %s\n", myargv[i]); | |
2047 | puts("\nEnvironment:"); | |
2048 | for (i = 0; i < myenvc; i ++) | |
2049 | printf(" %s\n", myenvp[i]); | |
2050 | } | |
2051 | ||
2052 | if ((pid = fork()) == 0) | |
2053 | { | |
2054 | /* | |
2055 | * Child comes here... | |
2056 | */ | |
2057 | ||
2058 | execve(program, myargv, myenvp); | |
2059 | exit(1); | |
2060 | } | |
2061 | else if (pid < 0) | |
2062 | { | |
2063 | _cupsLangPrintf(stderr, _("ippfind: Unable to execute \"%s\": %s"), | |
2064 | args[0], strerror(errno)); | |
2065 | exit(IPPFIND_EXIT_SYNTAX); | |
2066 | } | |
2067 | else | |
2068 | { | |
2069 | /* | |
2070 | * Wait for it to complete... | |
2071 | */ | |
2072 | ||
2073 | while (wait(&status) != pid) | |
2074 | ; | |
2075 | } | |
2076 | #endif /* WIN32 */ | |
2077 | ||
2078 | /* | |
2079 | * Free memory... | |
2080 | */ | |
2081 | ||
2082 | for (i = 0; i < num_args; i ++) | |
2083 | free(myargv[i]); | |
2084 | ||
2085 | /* | |
2086 | * Return whether the program succeeded or crashed... | |
2087 | */ | |
2088 | ||
2089 | return (status == 0); | |
766a8229 MS |
2090 | } |
2091 | ||
2092 | ||
bac07992 MS |
2093 | /* |
2094 | * 'get_service()' - Create or update a device. | |
2095 | */ | |
2096 | ||
2097 | static ippfind_srv_t * /* O - Service */ | |
2098 | get_service(cups_array_t *services, /* I - Service array */ | |
2099 | const char *serviceName, /* I - Name of service/device */ | |
2100 | const char *regtype, /* I - Type of service */ | |
2101 | const char *replyDomain) /* I - Service domain */ | |
2102 | { | |
2103 | ippfind_srv_t key, /* Search key */ | |
2104 | *service; /* Service */ | |
2105 | char fullName[kDNSServiceMaxDomainName]; | |
2106 | /* Full name for query */ | |
2107 | ||
2108 | ||
2109 | /* | |
2110 | * See if this is a new device... | |
2111 | */ | |
2112 | ||
2113 | key.name = (char *)serviceName; | |
2114 | key.regtype = (char *)regtype; | |
2115 | ||
2116 | for (service = cupsArrayFind(services, &key); | |
2117 | service; | |
2118 | service = cupsArrayNext(services)) | |
2119 | if (_cups_strcasecmp(service->name, key.name)) | |
2120 | break; | |
2121 | else if (!strcmp(service->regtype, key.regtype)) | |
2122 | return (service); | |
2123 | ||
2124 | /* | |
2125 | * Yes, add the service... | |
2126 | */ | |
2127 | ||
2128 | service = calloc(sizeof(ippfind_srv_t), 1); | |
2129 | service->name = strdup(serviceName); | |
2130 | service->domain = strdup(replyDomain); | |
2131 | service->regtype = strdup(regtype); | |
2132 | ||
2133 | cupsArrayAdd(services, service); | |
2134 | ||
2135 | /* | |
2136 | * Set the "full name" of this service, which is used for queries and | |
2137 | * resolves... | |
2138 | */ | |
2139 | ||
2140 | #ifdef HAVE_DNSSD | |
2141 | DNSServiceConstructFullName(fullName, serviceName, regtype, replyDomain); | |
2142 | #else /* HAVE_AVAHI */ | |
2143 | avahi_service_name_join(fullName, kDNSServiceMaxDomainName, serviceName, | |
2144 | regtype, replyDomain); | |
2145 | #endif /* HAVE_DNSSD */ | |
2146 | ||
2147 | service->fullName = strdup(fullName); | |
2148 | ||
2149 | return (service); | |
2150 | } | |
2151 | ||
2152 | ||
766a8229 MS |
2153 | /* |
2154 | * 'get_time()' - Get the current time-of-day in seconds. | |
2155 | */ | |
2156 | ||
2157 | static double | |
2158 | get_time(void) | |
2159 | { | |
2160 | #ifdef WIN32 | |
2161 | struct _timeb curtime; /* Current Windows time */ | |
2162 | ||
2163 | _ftime(&curtime); | |
2164 | ||
2165 | return (curtime.time + 0.001 * curtime.millitm); | |
2166 | ||
2167 | #else | |
2168 | struct timeval curtime; /* Current UNIX time */ | |
2169 | ||
2170 | if (gettimeofday(&curtime, NULL)) | |
2171 | return (0.0); | |
2172 | else | |
2173 | return (curtime.tv_sec + 0.000001 * curtime.tv_usec); | |
2174 | #endif /* WIN32 */ | |
2175 | } | |
2176 | ||
2177 | ||
41743200 MS |
2178 | /* |
2179 | * 'list_service()' - List the contents of a service. | |
2180 | */ | |
2181 | ||
2182 | static int /* O - 1 if successful, 0 otherwise */ | |
2183 | list_service(ippfind_srv_t *service) /* I - Service */ | |
2184 | { | |
70752071 | 2185 | http_addrlist_t *addrlist; /* Address(es) of service */ |
2d0a0f48 | 2186 | char port[10]; /* Port number of service */ |
70752071 MS |
2187 | |
2188 | ||
2189 | snprintf(port, sizeof(port), "%d", service->port); | |
2190 | ||
2191 | if ((addrlist = httpAddrGetList(service->host, address_family, port)) == NULL) | |
2192 | { | |
2193 | _cupsLangPrintf(stdout, "%s unreachable", service->uri); | |
2194 | return (0); | |
2195 | } | |
2196 | ||
2197 | if (!strncmp(service->regtype, "_ipp._tcp", 9) || | |
2198 | !strncmp(service->regtype, "_ipps._tcp", 10)) | |
2199 | { | |
2200 | /* | |
2201 | * IPP/IPPS printer | |
2202 | */ | |
2203 | ||
2204 | http_t *http; /* HTTP connection */ | |
2205 | ipp_t *request, /* IPP request */ | |
2206 | *response; /* IPP response */ | |
2207 | ipp_attribute_t *attr; /* IPP attribute */ | |
2208 | int i, /* Looping var */ | |
2209 | count, /* Number of values */ | |
2210 | version, /* IPP version */ | |
2211 | paccepting; /* printer-is-accepting-jobs value */ | |
2212 | ipp_pstate_t pstate; /* printer-state value */ | |
2213 | char preasons[1024], /* Comma-delimited printer-state-reasons */ | |
2214 | *ptr, /* Pointer into reasons */ | |
2215 | *end; /* End of reasons buffer */ | |
2216 | static const char * const rattrs[] =/* Requested attributes */ | |
2217 | { | |
2218 | "printer-is-accepting-jobs", | |
2219 | "printer-state", | |
2220 | "printer-state-reasons" | |
2221 | }; | |
2222 | ||
2223 | /* | |
2224 | * Connect to the printer... | |
2225 | */ | |
2226 | ||
2227 | http = httpConnect2(service->host, service->port, addrlist, address_family, | |
2228 | !strncmp(service->regtype, "_ipps._tcp", 10) ? | |
2229 | HTTP_ENCRYPTION_ALWAYS : | |
2230 | HTTP_ENCRYPTION_IF_REQUESTED, | |
2231 | 1, 30000, NULL); | |
2232 | ||
2233 | httpAddrFreeList(addrlist); | |
2234 | ||
2235 | if (!http) | |
2236 | { | |
2237 | _cupsLangPrintf(stdout, "%s unavailable", service->uri); | |
2238 | return (0); | |
2239 | } | |
2240 | ||
2241 | /* | |
2242 | * Get the current printer state... | |
2243 | */ | |
2244 | ||
2245 | response = NULL; | |
2246 | version = ipp_version; | |
2247 | ||
2248 | do | |
2249 | { | |
2250 | request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES); | |
2251 | ippSetVersion(request, version / 10, version % 10); | |
2252 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, | |
2253 | service->uri); | |
2254 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, | |
2255 | "requesting-user-name", NULL, cupsUser()); | |
2256 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, | |
2257 | "requested-attributes", | |
2258 | (int)(sizeof(rattrs) / sizeof(rattrs[0])), NULL, rattrs); | |
2259 | ||
2260 | response = cupsDoRequest(http, request, service->resource); | |
2261 | ||
2262 | if (cupsLastError() == IPP_STATUS_ERROR_BAD_REQUEST && version > 11) | |
2263 | version = 11; | |
2264 | } | |
2265 | while (cupsLastError() > IPP_STATUS_OK_EVENTS_COMPLETE && version > 11); | |
2266 | ||
2267 | /* | |
2268 | * Show results... | |
2269 | */ | |
2270 | ||
2271 | if (cupsLastError() > IPP_STATUS_OK_EVENTS_COMPLETE) | |
2272 | { | |
2273 | _cupsLangPrintf(stdout, "%s: unavailable", service->uri); | |
2274 | return (0); | |
2275 | } | |
2276 | ||
2277 | if ((attr = ippFindAttribute(response, "printer-state", | |
2278 | IPP_TAG_ENUM)) != NULL) | |
2279 | pstate = ippGetInteger(attr, 0); | |
2280 | else | |
2281 | pstate = IPP_PSTATE_STOPPED; | |
2282 | ||
2283 | if ((attr = ippFindAttribute(response, "printer-is-accepting-jobs", | |
2284 | IPP_TAG_BOOLEAN)) != NULL) | |
2285 | paccepting = ippGetBoolean(attr, 0); | |
2286 | else | |
2287 | paccepting = 0; | |
2288 | ||
2289 | if ((attr = ippFindAttribute(response, "printer-state-reasons", | |
2290 | IPP_TAG_KEYWORD)) != NULL) | |
2291 | { | |
2292 | strlcpy(preasons, ippGetString(attr, 0, NULL), sizeof(preasons)); | |
2293 | ||
2294 | for (i = 1, count = ippGetCount(attr), ptr = preasons + strlen(preasons), | |
2295 | end = preasons + sizeof(preasons) - 1; | |
2296 | i < count && ptr < end; | |
2297 | i ++, ptr += strlen(ptr)) | |
2298 | { | |
2299 | *ptr++ = ','; | |
2300 | strlcpy(ptr, ippGetString(attr, i, NULL), end - ptr + 1); | |
2301 | } | |
2302 | } | |
2303 | else | |
2304 | strlcpy(preasons, "none", sizeof(preasons)); | |
2305 | ||
2306 | ippDelete(response); | |
2307 | httpClose(http); | |
2308 | ||
2309 | _cupsLangPrintf(stdout, "%s %s %s %s", service->uri, | |
2310 | ippEnumString("printer-state", pstate), | |
2311 | paccepting ? "accepting-jobs" : "not-accepting-jobs", | |
2312 | preasons); | |
2313 | } | |
2314 | else if (!strncmp(service->regtype, "_http._tcp", 10) || | |
2315 | !strncmp(service->regtype, "_https._tcp", 11)) | |
2316 | { | |
2317 | /* | |
2318 | * HTTP/HTTPS web page | |
2319 | */ | |
2320 | ||
2321 | http_t *http; /* HTTP connection */ | |
2322 | http_status_t status; /* HEAD status */ | |
2323 | ||
2324 | ||
2325 | /* | |
2326 | * Connect to the web server... | |
2327 | */ | |
2328 | ||
2329 | http = httpConnect2(service->host, service->port, addrlist, address_family, | |
2330 | !strncmp(service->regtype, "_ipps._tcp", 10) ? | |
2331 | HTTP_ENCRYPTION_ALWAYS : | |
2332 | HTTP_ENCRYPTION_IF_REQUESTED, | |
2333 | 1, 30000, NULL); | |
2334 | ||
2335 | httpAddrFreeList(addrlist); | |
2336 | ||
2337 | if (!http) | |
2338 | { | |
2339 | _cupsLangPrintf(stdout, "%s unavailable", service->uri); | |
2340 | return (0); | |
2341 | } | |
2342 | ||
2343 | if (httpGet(http, service->resource)) | |
2344 | { | |
2345 | _cupsLangPrintf(stdout, "%s unavailable", service->uri); | |
2346 | return (0); | |
2347 | } | |
2348 | ||
2349 | do | |
2350 | { | |
2351 | status = httpUpdate(http); | |
2352 | } | |
2353 | while (status == HTTP_STATUS_CONTINUE); | |
2354 | ||
2355 | httpFlush(http); | |
2356 | httpClose(http); | |
2357 | ||
2358 | if (status >= HTTP_STATUS_BAD_REQUEST) | |
2359 | { | |
2360 | _cupsLangPrintf(stdout, "%s unavailable", service->uri); | |
2361 | return (0); | |
2362 | } | |
2363 | ||
2364 | _cupsLangPrintf(stdout, "%s available", service->uri); | |
2365 | } | |
2366 | else if (!strncmp(service->regtype, "_printer._tcp", 13)) | |
2367 | { | |
2368 | /* | |
2369 | * LPD printer | |
2370 | */ | |
2371 | ||
2372 | int sock; /* Socket */ | |
2373 | ||
2374 | ||
2375 | if (!httpAddrConnect(addrlist, &sock)) | |
2376 | { | |
2377 | _cupsLangPrintf(stdout, "%s unavailable", service->uri); | |
2378 | httpAddrFreeList(addrlist); | |
2379 | return (0); | |
2380 | } | |
2381 | ||
2382 | _cupsLangPrintf(stdout, "%s available", service->uri); | |
2383 | httpAddrFreeList(addrlist); | |
2384 | ||
2385 | #ifdef WIN32 | |
2386 | closesocket(sock); | |
2387 | #else | |
2388 | close(sock); | |
2389 | #endif /* WIN32 */ | |
2390 | } | |
2391 | else | |
2392 | { | |
2393 | _cupsLangPrintf(stdout, "%s unsupported", service->uri); | |
2394 | httpAddrFreeList(addrlist); | |
2395 | return (0); | |
2396 | } | |
41743200 MS |
2397 | |
2398 | return (1); | |
2399 | } | |
2400 | ||
2401 | ||
766a8229 MS |
2402 | /* |
2403 | * 'new_expr()' - Create a new expression. | |
2404 | */ | |
2405 | ||
2406 | static ippfind_expr_t * /* O - New expression */ | |
2407 | new_expr(ippfind_op_t op, /* I - Operation */ | |
2408 | int invert, /* I - Invert result? */ | |
41743200 | 2409 | const char *value, /* I - TXT key or port range */ |
766a8229 MS |
2410 | const char *regex, /* I - Regular expression */ |
2411 | char **args) /* I - Pointer to argument strings */ | |
2412 | { | |
2413 | ippfind_expr_t *temp; /* New expression */ | |
2414 | ||
2415 | ||
2416 | if ((temp = calloc(1, sizeof(ippfind_expr_t))) == NULL) | |
2417 | return (NULL); | |
2418 | ||
2419 | temp->op = op; | |
2420 | temp->invert = invert; | |
41743200 MS |
2421 | |
2422 | if (op == IPPFIND_OP_TXT_EXISTS || op == IPPFIND_OP_TXT_REGEX) | |
2423 | temp->key = (char *)value; | |
2424 | else if (op == IPPFIND_OP_PORT_RANGE) | |
2425 | { | |
2426 | /* | |
2427 | * Pull port number range of the form "number", "-number" (0-number), | |
2428 | * "number-" (number-65535), and "number-number". | |
2429 | */ | |
2430 | ||
2431 | if (*value == '-') | |
2432 | { | |
2433 | temp->range[1] = atoi(value + 1); | |
2434 | } | |
2435 | else if (strchr(value, '-')) | |
2436 | { | |
2437 | if (sscanf(value, "%d-%d", temp->range, temp->range + 1) == 1) | |
2438 | temp->range[1] = 65535; | |
2439 | } | |
2440 | else | |
2441 | { | |
2442 | temp->range[0] = temp->range[1] = atoi(value); | |
2443 | } | |
2444 | } | |
766a8229 MS |
2445 | |
2446 | if (regex) | |
2447 | { | |
41743200 | 2448 | int err = regcomp(&(temp->re), regex, REG_NOSUB | REG_ICASE | REG_EXTENDED); |
766a8229 MS |
2449 | |
2450 | if (err) | |
2451 | { | |
2452 | char message[256]; /* Error message */ | |
2453 | ||
2454 | regerror(err, &(temp->re), message, sizeof(message)); | |
2455 | _cupsLangPrintf(stderr, _("ippfind: Bad regular expression: %s"), | |
2456 | message); | |
2457 | exit(IPPFIND_EXIT_SYNTAX); | |
2458 | } | |
2459 | } | |
2460 | ||
2461 | if (args) | |
2462 | { | |
2463 | int num_args; /* Number of arguments */ | |
2464 | ||
2465 | for (num_args = 1; args[num_args]; num_args ++) | |
2466 | if (!strcmp(args[num_args], ";")) | |
2467 | break; | |
2468 | ||
2d0a0f48 MS |
2469 | temp->num_args = num_args; |
2470 | temp->args = malloc(num_args * sizeof(char *)); | |
766a8229 MS |
2471 | memcpy(temp->args, args, num_args * sizeof(char *)); |
2472 | } | |
2473 | ||
2474 | return (temp); | |
2475 | } | |
2476 | ||
2477 | ||
bac07992 MS |
2478 | #ifdef HAVE_AVAHI |
2479 | /* | |
2480 | * 'poll_callback()' - Wait for input on the specified file descriptors. | |
2481 | * | |
2482 | * Note: This function is needed because avahi_simple_poll_iterate is broken | |
2483 | * and always uses a timeout of 0 (!) milliseconds. | |
2484 | * (Avahi Ticket #364) | |
2485 | */ | |
2486 | ||
2487 | static int /* O - Number of file descriptors matching */ | |
2488 | poll_callback( | |
2489 | struct pollfd *pollfds, /* I - File descriptors */ | |
2490 | unsigned int num_pollfds, /* I - Number of file descriptors */ | |
2491 | int timeout, /* I - Timeout in milliseconds (unused) */ | |
2492 | void *context) /* I - User data (unused) */ | |
2493 | { | |
2494 | int val; /* Return value */ | |
2495 | ||
2496 | ||
2497 | (void)timeout; | |
2498 | (void)context; | |
2499 | ||
2500 | val = poll(pollfds, num_pollfds, 500); | |
2501 | ||
94b4b4a0 MS |
2502 | if (val > 0) |
2503 | avahi_got_data = 1; | |
bac07992 MS |
2504 | |
2505 | return (val); | |
2506 | } | |
2507 | #endif /* HAVE_AVAHI */ | |
2508 | ||
2509 | ||
2510 | /* | |
2511 | * 'resolve_callback()' - Process resolve data. | |
2512 | */ | |
2513 | ||
2514 | #ifdef HAVE_DNSSD | |
83385e29 | 2515 | static void DNSSD_API |
bac07992 MS |
2516 | resolve_callback( |
2517 | DNSServiceRef sdRef, /* I - Service reference */ | |
2518 | DNSServiceFlags flags, /* I - Data flags */ | |
2519 | uint32_t interfaceIndex, /* I - Interface */ | |
2520 | DNSServiceErrorType errorCode, /* I - Error, if any */ | |
2521 | const char *fullName, /* I - Full service name */ | |
2522 | const char *hostTarget, /* I - Hostname */ | |
2523 | uint16_t port, /* I - Port number (network byte order) */ | |
2524 | uint16_t txtLen, /* I - Length of TXT record data */ | |
2525 | const unsigned char *txtRecord, /* I - TXT record data */ | |
2526 | void *context) /* I - Service */ | |
2527 | { | |
2528 | char key[256], /* TXT key value */ | |
2529 | *value; /* Value from TXT record */ | |
2530 | const unsigned char *txtEnd; /* End of TXT record */ | |
2531 | uint8_t valueLen; /* Length of value */ | |
2532 | ippfind_srv_t *service = (ippfind_srv_t *)context; | |
2533 | /* Service */ | |
2534 | ||
2535 | ||
2536 | /* | |
2537 | * Only process "add" data... | |
2538 | */ | |
2539 | ||
2540 | if (errorCode != kDNSServiceErr_NoError) | |
766a8229 MS |
2541 | { |
2542 | _cupsLangPrintf(stderr, _("ippfind: Unable to browse or resolve: %s"), | |
2543 | dnssd_error_string(errorCode)); | |
2544 | bonjour_error = 1; | |
bac07992 | 2545 | return; |
766a8229 | 2546 | } |
bac07992 MS |
2547 | |
2548 | service->is_resolved = 1; | |
2549 | service->host = strdup(hostTarget); | |
2550 | service->port = ntohs(port); | |
2551 | ||
2552 | /* | |
2553 | * Loop through the TXT key/value pairs and add them to an array... | |
2554 | */ | |
2555 | ||
2556 | for (txtEnd = txtRecord + txtLen; txtRecord < txtEnd; txtRecord += valueLen) | |
2557 | { | |
2558 | /* | |
2559 | * Ignore bogus strings... | |
2560 | */ | |
2561 | ||
2562 | valueLen = *txtRecord++; | |
2563 | ||
2564 | memcpy(key, txtRecord, valueLen); | |
2565 | key[valueLen] = '\0'; | |
2566 | ||
2567 | if ((value = strchr(key, '=')) == NULL) | |
2568 | continue; | |
2569 | ||
2570 | *value++ = '\0'; | |
2571 | ||
2572 | /* | |
2573 | * Add to array of TXT values... | |
2574 | */ | |
2575 | ||
2576 | service->num_txt = cupsAddOption(key, value, service->num_txt, | |
2577 | &(service->txt)); | |
2578 | } | |
2579 | ||
2580 | set_service_uri(service); | |
2581 | } | |
2582 | ||
2583 | ||
2584 | #elif defined(HAVE_AVAHI) | |
2585 | static void | |
2586 | resolve_callback( | |
2587 | AvahiServiceResolver *resolver, /* I - Resolver */ | |
2588 | AvahiIfIndex interface, /* I - Interface */ | |
2589 | AvahiProtocol protocol, /* I - Address protocol */ | |
7e5023dd | 2590 | AvahiResolverEvent event, /* I - Event */ |
bac07992 MS |
2591 | const char *serviceName,/* I - Service name */ |
2592 | const char *regtype, /* I - Registration type */ | |
2593 | const char *replyDomain,/* I - Domain name */ | |
2594 | const char *hostTarget, /* I - FQDN */ | |
7e5023dd | 2595 | const AvahiAddress *address, /* I - Address */ |
bac07992 MS |
2596 | uint16_t port, /* I - Port number */ |
2597 | AvahiStringList *txt, /* I - TXT records */ | |
2598 | AvahiLookupResultFlags flags, /* I - Lookup flags */ | |
2599 | void *context) /* I - Service */ | |
2600 | { | |
7e5023dd | 2601 | char key[256], /* TXT key */ |
bac07992 MS |
2602 | *value; /* TXT value */ |
2603 | ippfind_srv_t *service = (ippfind_srv_t *)context; | |
2604 | /* Service */ | |
2605 | AvahiStringList *current; /* Current TXT key/value pair */ | |
2606 | ||
2607 | ||
7e5023dd MS |
2608 | (void)address; |
2609 | ||
bac07992 MS |
2610 | if (event != AVAHI_RESOLVER_FOUND) |
2611 | { | |
2612 | bonjour_error = 1; | |
2613 | ||
2614 | avahi_service_resolver_free(resolver); | |
7e5023dd | 2615 | avahi_simple_poll_quit(avahi_poll); |
bac07992 MS |
2616 | return; |
2617 | } | |
2618 | ||
2619 | service->is_resolved = 1; | |
2620 | service->host = strdup(hostTarget); | |
e1a3eca8 | 2621 | service->port = port; |
bac07992 MS |
2622 | |
2623 | /* | |
2624 | * Loop through the TXT key/value pairs and add them to an array... | |
2625 | */ | |
2626 | ||
2627 | for (current = txt; current; current = current->next) | |
2628 | { | |
2629 | /* | |
2630 | * Ignore bogus strings... | |
2631 | */ | |
2632 | ||
2633 | if (current->size > (sizeof(key) - 1)) | |
2634 | continue; | |
2635 | ||
2636 | memcpy(key, current->text, current->size); | |
2637 | key[current->size] = '\0'; | |
2638 | ||
2639 | if ((value = strchr(key, '=')) == NULL) | |
2640 | continue; | |
2641 | ||
2642 | *value++ = '\0'; | |
2643 | ||
2644 | /* | |
2645 | * Add to array of TXT values... | |
2646 | */ | |
2647 | ||
2648 | service->num_txt = cupsAddOption(key, value, service->num_txt, | |
2649 | &(service->txt)); | |
2650 | } | |
2651 | ||
2652 | set_service_uri(service); | |
2653 | } | |
2654 | #endif /* HAVE_DNSSD */ | |
2655 | ||
2656 | ||
2657 | /* | |
2658 | * 'set_service_uri()' - Set the URI of the service. | |
2659 | */ | |
2660 | ||
2661 | static void | |
2662 | set_service_uri(ippfind_srv_t *service) /* I - Service */ | |
2663 | { | |
2664 | char uri[1024]; /* URI */ | |
2665 | const char *path, /* Resource path */ | |
2666 | *scheme; /* URI scheme */ | |
2667 | ||
2668 | ||
2669 | if (!strncmp(service->regtype, "_http.", 6)) | |
2670 | { | |
2671 | scheme = "http"; | |
2672 | path = cupsGetOption("path", service->num_txt, service->txt); | |
2673 | } | |
2674 | else if (!strncmp(service->regtype, "_https.", 7)) | |
2675 | { | |
2676 | scheme = "https"; | |
2677 | path = cupsGetOption("path", service->num_txt, service->txt); | |
2678 | } | |
2679 | else if (!strncmp(service->regtype, "_ipp.", 5)) | |
2680 | { | |
2681 | scheme = "ipp"; | |
2682 | path = cupsGetOption("rp", service->num_txt, service->txt); | |
2683 | } | |
2684 | else if (!strncmp(service->regtype, "_ipps.", 6)) | |
2685 | { | |
2686 | scheme = "ipps"; | |
2687 | path = cupsGetOption("rp", service->num_txt, service->txt); | |
2688 | } | |
2689 | else if (!strncmp(service->regtype, "_printer.", 9)) | |
2690 | { | |
2691 | scheme = "lpd"; | |
2692 | path = cupsGetOption("rp", service->num_txt, service->txt); | |
2693 | } | |
2694 | else | |
2695 | return; | |
2696 | ||
2697 | if (!path || !*path) | |
2698 | path = "/"; | |
2699 | ||
2700 | if (*path == '/') | |
41743200 MS |
2701 | { |
2702 | service->resource = strdup(path); | |
2703 | } | |
bac07992 | 2704 | else |
41743200 MS |
2705 | { |
2706 | snprintf(uri, sizeof(uri), "/%s", path); | |
2707 | service->resource = strdup(uri); | |
2708 | } | |
bac07992 | 2709 | |
41743200 MS |
2710 | httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri), scheme, NULL, |
2711 | service->host, service->port, service->resource); | |
bac07992 MS |
2712 | service->uri = strdup(uri); |
2713 | } | |
2714 | ||
2715 | ||
2716 | /* | |
766a8229 | 2717 | * 'show_usage()' - Show program usage. |
bac07992 MS |
2718 | */ |
2719 | ||
2720 | static void | |
766a8229 | 2721 | show_usage(void) |
bac07992 MS |
2722 | { |
2723 | _cupsLangPuts(stderr, _("Usage: ippfind [options] regtype[,subtype]" | |
2724 | "[.domain.] ... [expression]\n" | |
2725 | " ippfind [options] name[.regtype[.domain.]] " | |
2726 | "... [expression]\n" | |
2727 | " ippfind --help\n" | |
2728 | " ippfind --version")); | |
2729 | _cupsLangPuts(stderr, ""); | |
2730 | _cupsLangPuts(stderr, _("Options:")); | |
2731 | _cupsLangPuts(stderr, _(" -4 Connect using IPv4.")); | |
2732 | _cupsLangPuts(stderr, _(" -6 Connect using IPv6.")); | |
2733 | _cupsLangPuts(stderr, _(" -T seconds Set the browse timeout in " | |
2734 | "seconds.")); | |
2735 | _cupsLangPuts(stderr, _(" -V version Set default IPP " | |
2736 | "version.")); | |
2737 | _cupsLangPuts(stderr, _(" --help Show this help.")); | |
2738 | _cupsLangPuts(stderr, _(" --version Show program version.")); | |
2739 | _cupsLangPuts(stderr, ""); | |
2740 | _cupsLangPuts(stderr, _("Expressions:")); | |
41743200 | 2741 | _cupsLangPuts(stderr, _(" -P number[-number] Match port to number or range.")); |
bac07992 | 2742 | _cupsLangPuts(stderr, _(" -d regex Match domain to regular expression.")); |
41743200 | 2743 | _cupsLangPuts(stderr, _(" -h regex Match hostname to regular expression.")); |
bac07992 | 2744 | _cupsLangPuts(stderr, _(" -l List attributes.")); |
bac07992 | 2745 | _cupsLangPuts(stderr, _(" -n regex Match service name to regular expression.")); |
bac07992 MS |
2746 | _cupsLangPuts(stderr, _(" -p Print URI if true.")); |
2747 | _cupsLangPuts(stderr, _(" -q Quietly report match via exit code.")); | |
2748 | _cupsLangPuts(stderr, _(" -r True if service is remote.")); | |
766a8229 MS |
2749 | _cupsLangPuts(stderr, _(" -s Print service name if true.")); |
2750 | _cupsLangPuts(stderr, _(" -t key True if the TXT record contains the key.")); | |
2751 | _cupsLangPuts(stderr, _(" -u regex Match URI to regular expression.")); | |
e5528d42 MS |
2752 | _cupsLangPuts(stderr, _(" -x utility [argument ...] ;\n" |
2753 | " Execute program if true.")); | |
766a8229 MS |
2754 | _cupsLangPuts(stderr, _(" --domain regex Match domain to regular expression.")); |
2755 | _cupsLangPuts(stderr, _(" --exec utility [argument ...] ;\n" | |
2756 | " Execute program if true.")); | |
41743200 | 2757 | _cupsLangPuts(stderr, _(" --host regex Match hostname to regular expression.")); |
766a8229 MS |
2758 | _cupsLangPuts(stderr, _(" --ls List attributes.")); |
2759 | _cupsLangPuts(stderr, _(" --local True if service is local.")); | |
2760 | _cupsLangPuts(stderr, _(" --name regex Match service name to regular expression.")); | |
2761 | _cupsLangPuts(stderr, _(" --path regex Match resource path to regular expression.")); | |
41743200 | 2762 | _cupsLangPuts(stderr, _(" --port number[-number] Match port to number or range.")); |
766a8229 MS |
2763 | _cupsLangPuts(stderr, _(" --print Print URI if true.")); |
2764 | _cupsLangPuts(stderr, _(" --print-name Print service name if true.")); | |
2765 | _cupsLangPuts(stderr, _(" --quiet Quietly report match via exit code.")); | |
2766 | _cupsLangPuts(stderr, _(" --remote True if service is remote.")); | |
2767 | _cupsLangPuts(stderr, _(" --txt key True if the TXT record contains the key.")); | |
2768 | _cupsLangPuts(stderr, _(" --txt-* regex Match TXT record key to regular expression.")); | |
2769 | _cupsLangPuts(stderr, _(" --uri regex Match URI to regular expression.")); | |
2770 | _cupsLangPuts(stderr, ""); | |
2771 | _cupsLangPuts(stderr, _("Modifiers:")); | |
2772 | _cupsLangPuts(stderr, _(" ( expressions ) Group expressions.")); | |
2773 | _cupsLangPuts(stderr, _(" ! expression Unary NOT of expression.")); | |
2774 | _cupsLangPuts(stderr, _(" --not expression Unary NOT of expression.")); | |
2775 | _cupsLangPuts(stderr, _(" --false Always false.")); | |
2776 | _cupsLangPuts(stderr, _(" --true Always true.")); | |
2777 | _cupsLangPuts(stderr, _(" expression expression Logical AND.")); | |
2778 | _cupsLangPuts(stderr, _(" expression --and expression\n" | |
2779 | " Logical AND.")); | |
2780 | _cupsLangPuts(stderr, _(" expression --or expression\n" | |
2781 | " Logical OR.")); | |
2782 | _cupsLangPuts(stderr, ""); | |
2783 | _cupsLangPuts(stderr, _("Substitutions:")); | |
2784 | _cupsLangPuts(stderr, _(" {} URI")); | |
2785 | _cupsLangPuts(stderr, _(" {service_domain} Domain name")); | |
2786 | _cupsLangPuts(stderr, _(" {service_hostname} Fully-qualified domain name")); | |
2787 | _cupsLangPuts(stderr, _(" {service_name} Service instance name")); | |
2788 | _cupsLangPuts(stderr, _(" {service_port} Port number")); | |
2789 | _cupsLangPuts(stderr, _(" {service_regtype} DNS-SD registration type")); | |
2790 | _cupsLangPuts(stderr, _(" {service_scheme} URI scheme")); | |
2791 | _cupsLangPuts(stderr, _(" {service_uri} URI")); | |
2792 | _cupsLangPuts(stderr, _(" {txt_*} Value of TXT record key")); | |
2793 | _cupsLangPuts(stderr, ""); | |
2794 | _cupsLangPuts(stderr, _("Environment Variables:")); | |
2795 | _cupsLangPuts(stderr, _(" IPPFIND_SERVICE_DOMAIN Domain name")); | |
2796 | _cupsLangPuts(stderr, _(" IPPFIND_SERVICE_HOSTNAME\n" | |
2797 | " Fully-qualified domain name")); | |
2798 | _cupsLangPuts(stderr, _(" IPPFIND_SERVICE_NAME Service instance name")); | |
2799 | _cupsLangPuts(stderr, _(" IPPFIND_SERVICE_PORT Port number")); | |
2800 | _cupsLangPuts(stderr, _(" IPPFIND_SERVICE_REGTYPE DNS-SD registration type")); | |
2801 | _cupsLangPuts(stderr, _(" IPPFIND_SERVICE_SCHEME URI scheme")); | |
2802 | _cupsLangPuts(stderr, _(" IPPFIND_SERVICE_URI URI")); | |
2803 | _cupsLangPuts(stderr, _(" IPPFIND_TXT_* Value of TXT record key")); | |
2804 | ||
2805 | exit(IPPFIND_EXIT_TRUE); | |
bac07992 MS |
2806 | } |
2807 | ||
2808 | ||
2809 | /* | |
2810 | * 'show_version()' - Show program version. | |
2811 | */ | |
2812 | ||
2813 | static void | |
2814 | show_version(void) | |
2815 | { | |
2816 | _cupsLangPuts(stderr, CUPS_SVERSION); | |
2817 | ||
766a8229 | 2818 | exit(IPPFIND_EXIT_TRUE); |
bac07992 MS |
2819 | } |
2820 | ||
2821 | ||
2822 | /* | |
2823 | * End of "$Id$". | |
2824 | */ |