eb34675afd88282511f785c5affff2d4fa4ad690
[asterisk/asterisk.git] / res / res_pjsip / pjsip_configuration.c
1 /*
2  * sip_cli_commands.c
3  *
4  *  Created on: Jan 25, 2013
5  *      Author: mjordan
6  */
7
8 #include "asterisk.h"
9
10 #include <pjsip.h>
11 #include <pjsip_ua.h>
12
13 #include "asterisk/res_pjsip.h"
14 #include "include/res_pjsip_private.h"
15 #include "asterisk/cli.h"
16 #include "asterisk/astobj2.h"
17 #include "asterisk/utils.h"
18 #include "asterisk/sorcery.h"
19 #include "asterisk/callerid.h"
20 #include "asterisk/stasis_endpoints.h"
21
22 /*! \brief Number of buckets for persistent endpoint information */
23 #define PERSISTENT_BUCKETS 53
24
25 /*! \brief Persistent endpoint information */
26 struct sip_persistent_endpoint {
27         /*! \brief Asterisk endpoint itself */
28         struct ast_endpoint *endpoint;
29         /*! \brief AORs that we should react to */
30         char *aors;
31 };
32
33 /*! \brief Container for persistent endpoint information */
34 static struct ao2_container *persistent_endpoints;
35
36 static struct ast_sorcery *sip_sorcery;
37
38 /*! \brief Hashing function for persistent endpoint information */
39 static int persistent_endpoint_hash(const void *obj, const int flags)
40 {
41         const struct sip_persistent_endpoint *persistent = obj;
42         const char *id = (flags & OBJ_KEY ? obj : ast_endpoint_get_resource(persistent->endpoint));
43
44         return ast_str_hash(id);
45 }
46
47 /*! \brief Comparison function for persistent endpoint information */
48 static int persistent_endpoint_cmp(void *obj, void *arg, int flags)
49 {
50         const struct sip_persistent_endpoint *persistent1 = obj;
51         const struct sip_persistent_endpoint *persistent2 = arg;
52         const char *id = (flags & OBJ_KEY ? arg : ast_endpoint_get_resource(persistent2->endpoint));
53
54         return !strcmp(ast_endpoint_get_resource(persistent1->endpoint), id) ? CMP_MATCH | CMP_STOP : 0;
55 }
56
57 /*! \brief Callback function for changing the state of an endpoint */
58 static int persistent_endpoint_update_state(void *obj, void *arg, int flags)
59 {
60         struct sip_persistent_endpoint *persistent = obj;
61         char *aor = arg;
62         RAII_VAR(struct ast_sip_contact *, contact, NULL, ao2_cleanup);
63         RAII_VAR(struct ast_json *, blob, NULL, ast_json_unref);
64
65         if (!ast_strlen_zero(aor) && !strstr(persistent->aors, aor)) {
66                 return 0;
67         }
68
69         if ((contact = ast_sip_location_retrieve_contact_from_aor_list(persistent->aors))) {
70                 ast_endpoint_set_state(persistent->endpoint, AST_ENDPOINT_ONLINE);
71                 blob = ast_json_pack("{s: s}", "peer_status", "Reachable");
72         } else {
73                 ast_endpoint_set_state(persistent->endpoint, AST_ENDPOINT_OFFLINE);
74                 blob = ast_json_pack("{s: s}", "peer_status", "Unreachable");
75         }
76
77         ast_endpoint_blob_publish(persistent->endpoint, ast_endpoint_state_type(), blob);
78
79         ast_devstate_changed(AST_DEVICE_UNKNOWN, AST_DEVSTATE_CACHABLE, "PJSIP/%s", ast_endpoint_get_resource(persistent->endpoint));
80
81         return 0;
82 }
83
84 /*! \brief Function called when stuff relating to a contact happens (created/deleted) */
85 static void persistent_endpoint_contact_observer(const void *object)
86 {
87         char *id = ast_strdupa(ast_sorcery_object_get_id(object)), *aor = NULL;
88
89         aor = strsep(&id, ";@");
90
91         ao2_callback(persistent_endpoints, OBJ_NODATA, persistent_endpoint_update_state, aor);
92 }
93
94 /*! \brief Observer for contacts so state can be updated on respective endpoints */
95 static struct ast_sorcery_observer state_contact_observer = {
96         .created = persistent_endpoint_contact_observer,
97         .deleted = persistent_endpoint_contact_observer,
98 };
99
100 static char *handle_cli_show_endpoints(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
101 {
102         RAII_VAR(struct ao2_container *, endpoints, NULL, ao2_cleanup);
103         struct ao2_iterator it_endpoints;
104         struct ast_sip_endpoint *endpoint;
105
106         switch (cmd) {
107         case CLI_INIT:
108                 e->command = "pjsip show endpoints";
109                 e->usage =
110                         "Usage: pjsip show endpoints\n"
111                         "       Show the registered PJSIP endpoints\n";
112                 return NULL;
113         case CLI_GENERATE:
114                 return NULL;
115         }
116
117         endpoints = ast_sip_get_endpoints();
118         if (!endpoints) {
119                 return CLI_FAILURE;
120         }
121
122         if (!ao2_container_count(endpoints)) {
123                 ast_cli(a->fd, "No endpoints found\n");
124                 return CLI_SUCCESS;
125         }
126
127         ast_cli(a->fd, "Endpoints:\n");
128         it_endpoints = ao2_iterator_init(endpoints, 0);
129         while ((endpoint = ao2_iterator_next(&it_endpoints))) {
130                 ast_cli(a->fd, "%s\n", ast_sorcery_object_get_id(endpoint));
131                 ao2_ref(endpoint, -1);
132         }
133         ao2_iterator_destroy(&it_endpoints);
134         return CLI_SUCCESS;
135 }
136
137 static int show_contact(void *obj, void *arg, int flags)
138 {
139         struct ast_sip_contact *contact = obj;
140         struct ast_cli_args *a = arg;
141         RAII_VAR(struct ast_sip_contact_status *, status, ast_sorcery_retrieve_by_id(
142                          ast_sip_get_sorcery(), CONTACT_STATUS,
143                          ast_sorcery_object_get_id(contact)), ao2_cleanup);
144
145         ast_cli(a->fd, "\tContact %s:\n", contact->uri);
146
147         if (!status) {
148                 ast_cli(a->fd, "\tStatus not found!\n");
149                 return 0;
150         }
151
152         ast_cli(a->fd, "\t\tavailable = %s\n", status->status ? "yes" : "no");
153
154         if (status->status) {
155                 ast_cli(a->fd, "\t\tRTT = %lld microseconds\n", (long long)status->rtt);
156         }
157
158         return 0;
159 }
160
161 static void show_endpoint(struct ast_sip_endpoint *endpoint, struct ast_cli_args *a)
162 {
163         char *aor_name, *aors;
164
165         if (ast_strlen_zero(endpoint->aors)) {
166                 return;
167         }
168
169         aors = ast_strdupa(endpoint->aors);
170
171         while ((aor_name = strsep(&aors, ","))) {
172                 RAII_VAR(struct ast_sip_aor *, aor,
173                          ast_sip_location_retrieve_aor(aor_name), ao2_cleanup);
174                 RAII_VAR(struct ao2_container *, contacts, NULL, ao2_cleanup);
175
176                 if (!aor || !(contacts = ast_sip_location_retrieve_aor_contacts(aor))) {
177                         continue;
178                 }
179
180                 ast_cli(a->fd, "AOR %s:\n", ast_sorcery_object_get_id(aor));
181                 ao2_callback(contacts, OBJ_NODATA, show_contact, a);
182         }
183
184         return;
185 }
186
187 static char *cli_show_endpoint(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
188 {
189         RAII_VAR(struct ast_sip_endpoint *, endpoint, NULL, ao2_cleanup);
190         const char *endpoint_name;
191
192         switch (cmd) {
193         case CLI_INIT:
194                 e->command = "pjsip show endpoint";
195                 e->usage =
196                         "Usage: pjsip show endpoint <endpoint>\n"
197                         "       Show the given PJSIP endpoint.\n";
198                 return NULL;
199         case CLI_GENERATE:
200                 return NULL;
201         }
202
203         if (a->argc != 4) {
204                 return CLI_SHOWUSAGE;
205         }
206
207         endpoint_name = a->argv[3];
208
209         if (!(endpoint = ast_sorcery_retrieve_by_id(
210                       ast_sip_get_sorcery(), "endpoint", endpoint_name))) {
211                 ast_cli(a->fd, "Unable to retrieve endpoint %s\n", endpoint_name);
212                 return CLI_FAILURE;
213         }
214
215         ast_cli(a->fd, "Endpoint %s:\n", endpoint_name);
216         show_endpoint(endpoint, a);
217
218         return CLI_SUCCESS;
219 }
220
221 static struct ast_cli_entry cli_commands[] = {
222         AST_CLI_DEFINE(handle_cli_show_endpoints, "Show PJSIP Endpoints"),
223         AST_CLI_DEFINE(cli_show_endpoint, "Show PJSIP Endpoint")
224 };
225
226 static int dtmf_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
227 {
228         struct ast_sip_endpoint *endpoint = obj;
229
230         if (!strcasecmp(var->value, "rfc4733")) {
231                 endpoint->dtmf = AST_SIP_DTMF_RFC_4733;
232         } else if (!strcasecmp(var->value, "inband")) {
233                 endpoint->dtmf = AST_SIP_DTMF_INBAND;
234         } else if (!strcasecmp(var->value, "info")) {
235                 endpoint->dtmf = AST_SIP_DTMF_INFO;
236         } else if (!strcasecmp(var->value, "none")) {
237                 endpoint->dtmf = AST_SIP_DTMF_NONE;
238         } else {
239                 return -1;
240         }
241
242         return 0;
243 }
244
245 static int prack_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
246 {
247         struct ast_sip_endpoint *endpoint = obj;
248
249         if (ast_true(var->value)) {
250                 endpoint->extensions.flags |= PJSIP_INV_SUPPORT_100REL;
251         } else if (ast_false(var->value)) {
252                 endpoint->extensions.flags &= PJSIP_INV_SUPPORT_100REL;
253         } else if (!strcasecmp(var->value, "required")) {
254                 endpoint->extensions.flags |= PJSIP_INV_REQUIRE_100REL;
255         } else {
256                 return -1;
257         }
258
259         return 0;
260 }
261
262 static int timers_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
263 {
264         struct ast_sip_endpoint *endpoint = obj;
265
266         if (ast_true(var->value)) {
267                 endpoint->extensions.flags |= PJSIP_INV_SUPPORT_TIMER;
268         } else if (ast_false(var->value)) {
269                 endpoint->extensions.flags &= PJSIP_INV_SUPPORT_TIMER;
270         } else if (!strcasecmp(var->value, "required")) {
271                 endpoint->extensions.flags |= PJSIP_INV_REQUIRE_TIMER;
272         } else if (!strcasecmp(var->value, "always")) {
273                 endpoint->extensions.flags |= PJSIP_INV_ALWAYS_USE_TIMER;
274         } else {
275                 return -1;
276         }
277
278         return 0;
279 }
280
281 void ast_sip_auth_array_destroy(struct ast_sip_auth_array *auths)
282 {
283         int i;
284
285         if (!auths) {
286                 return;
287         }
288
289         for (i = 0; i < auths->num; ++i) {
290                 ast_free((char *) auths->names[i]);
291         }
292         ast_free(auths->names);
293         auths->num = 0;
294 }
295
296 #define AUTH_INCREMENT 4
297
298 int ast_sip_auth_array_init(struct ast_sip_auth_array *auths, const char *value)
299 {
300         char *auth_names = ast_strdupa(value);
301         char *val;
302         int num_alloced = 0;
303         const char **alloced_auths = NULL;
304
305         while ((val = strsep(&auth_names, ","))) {
306                 if (auths->num >= num_alloced) {
307                         size_t size;
308                         num_alloced += AUTH_INCREMENT;
309                         size = num_alloced * sizeof(char *);
310                         auths->names = ast_realloc(alloced_auths, size);
311                         if (!auths->names) {
312                                 goto failure;
313                         }
314                 }
315                 auths->names[auths->num] = ast_strdup(val);
316                 if (!auths->names[auths->num]) {
317                         goto failure;
318                 }
319                 ++auths->num;
320         }
321         return 0;
322
323 failure:
324         ast_sip_auth_array_destroy(auths);
325         return -1;
326 }
327
328 static int inbound_auth_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
329 {
330         struct ast_sip_endpoint *endpoint = obj;
331
332         return ast_sip_auth_array_init(&endpoint->inbound_auths, var->value);
333 }
334
335 static int outbound_auth_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
336 {
337         struct ast_sip_endpoint *endpoint = obj;
338
339         return ast_sip_auth_array_init(&endpoint->outbound_auths, var->value);
340 }
341
342 static int ident_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
343 {
344         struct ast_sip_endpoint *endpoint = obj;
345         char *idents = ast_strdupa(var->value);
346         char *val;
347
348         while ((val = strsep(&idents, ","))) {
349                 if (!strcasecmp(val, "username")) {
350                         endpoint->ident_method |= AST_SIP_ENDPOINT_IDENTIFY_BY_USERNAME;
351                 } else {
352                         ast_log(LOG_ERROR, "Unrecognized identification method %s specified for endpoint %s\n",
353                                         val, ast_sorcery_object_get_id(endpoint));
354                         return -1;
355                 }
356         }
357         return 0;
358 }
359
360 static int direct_media_method_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
361 {
362         struct ast_sip_endpoint *endpoint = obj;
363
364         if (!strcasecmp(var->value, "invite") || !strcasecmp(var->value, "reinvite")) {
365                 endpoint->media.direct_media.method = AST_SIP_SESSION_REFRESH_METHOD_INVITE;
366         } else if (!strcasecmp(var->value, "update")) {
367                 endpoint->media.direct_media.method = AST_SIP_SESSION_REFRESH_METHOD_UPDATE;
368         } else {
369                 ast_log(LOG_NOTICE, "Unrecognized option value %s for %s on endpoint %s\n",
370                                 var->value, var->name, ast_sorcery_object_get_id(endpoint));
371                 return -1;
372         }
373         return 0;
374 }
375
376 static int connected_line_method_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
377 {
378         struct ast_sip_endpoint *endpoint = obj;
379
380         if (!strcasecmp(var->value, "invite") || !strcasecmp(var->value, "reinvite")) {
381                 endpoint->id.refresh_method = AST_SIP_SESSION_REFRESH_METHOD_INVITE;
382         } else if (!strcasecmp(var->value, "update")) {
383                 endpoint->id.refresh_method = AST_SIP_SESSION_REFRESH_METHOD_UPDATE;
384         } else {
385                 ast_log(LOG_NOTICE, "Unrecognized option value %s for %s on endpoint %s\n",
386                                 var->value, var->name, ast_sorcery_object_get_id(endpoint));
387                 return -1;
388         }
389         return 0;
390 }
391
392 static int direct_media_glare_mitigation_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
393 {
394         struct ast_sip_endpoint *endpoint = obj;
395
396         if (!strcasecmp(var->value, "none")) {
397                 endpoint->media.direct_media.glare_mitigation = AST_SIP_DIRECT_MEDIA_GLARE_MITIGATION_NONE;
398         } else if (!strcasecmp(var->value, "outgoing")) {
399                 endpoint->media.direct_media.glare_mitigation = AST_SIP_DIRECT_MEDIA_GLARE_MITIGATION_OUTGOING;
400         } else if (!strcasecmp(var->value, "incoming")) {
401                 endpoint->media.direct_media.glare_mitigation = AST_SIP_DIRECT_MEDIA_GLARE_MITIGATION_INCOMING;
402         } else {
403                 ast_log(LOG_NOTICE, "Unrecognized option value %s for %s on endpoint %s\n",
404                                 var->value, var->name, ast_sorcery_object_get_id(endpoint));
405                 return -1;
406         }
407
408         return 0;
409 }
410
411 static int caller_id_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
412 {
413         struct ast_sip_endpoint *endpoint = obj;
414         char cid_name[80] = { '\0' };
415         char cid_num[80] = { '\0' };
416
417         ast_callerid_split(var->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
418         if (!ast_strlen_zero(cid_name)) {
419                 endpoint->id.self.name.str = ast_strdup(cid_name);
420                 if (!endpoint->id.self.name.str) {
421                         return -1;
422                 }
423                 endpoint->id.self.name.valid = 1;
424         }
425         if (!ast_strlen_zero(cid_num)) {
426                 endpoint->id.self.number.str = ast_strdup(cid_num);
427                 if (!endpoint->id.self.number.str) {
428                         return -1;
429                 }
430                 endpoint->id.self.number.valid = 1;
431         }
432         return 0;
433 }
434
435 static int caller_id_privacy_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
436 {
437         struct ast_sip_endpoint *endpoint = obj;
438         int callingpres = ast_parse_caller_presentation(var->value);
439         if (callingpres == -1 && sscanf(var->value, "%d", &callingpres) != 1) {
440                 return -1;
441         }
442         endpoint->id.self.number.presentation = callingpres;
443         endpoint->id.self.name.presentation = callingpres;
444         return 0;
445 }
446
447 static int caller_id_tag_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
448 {
449         struct ast_sip_endpoint *endpoint = obj;
450         endpoint->id.self.tag = ast_strdup(var->value);
451         return endpoint->id.self.tag ? 0 : -1;
452 }
453
454 static int media_encryption_handler(const struct aco_option *opt, struct ast_variable *var, void *obj)
455 {
456         struct ast_sip_endpoint *endpoint = obj;
457
458         if (!strcasecmp("no", var->value)) {
459                 endpoint->media.rtp.encryption = AST_SIP_MEDIA_ENCRYPT_NONE;
460         } else if (!strcasecmp("sdes", var->value)) {
461                 endpoint->media.rtp.encryption = AST_SIP_MEDIA_ENCRYPT_SDES;
462         } else if (!strcasecmp("dtls", var->value)) {
463                 endpoint->media.rtp.encryption = AST_SIP_MEDIA_ENCRYPT_DTLS;
464                 ast_rtp_dtls_cfg_parse(&endpoint->media.rtp.dtls_cfg, "dtlsenable", "yes");
465         } else {
466                 return -1;
467         }
468
469         return 0;
470 }
471
472 static int group_handler(const struct aco_option *opt,
473                          struct ast_variable *var, void *obj)
474 {
475         struct ast_sip_endpoint *endpoint = obj;
476
477         if (!strncmp(var->name, "callgroup", 9)) {
478                 if (!(endpoint->pickup.callgroup = ast_get_group(var->value))) {
479                         return -1;
480                 }
481         } else if (!strncmp(var->name, "pickupgroup", 11)) {
482                 if (!(endpoint->pickup.pickupgroup = ast_get_group(var->value))) {
483                         return -1;
484                 }
485         } else {
486                 return -1;
487         }
488
489         return 0;
490 }
491
492 static int named_groups_handler(const struct aco_option *opt,
493                                 struct ast_variable *var, void *obj)
494 {
495         struct ast_sip_endpoint *endpoint = obj;
496
497         if (!strncmp(var->name, "namedcallgroup", 14)) {
498                 if (!(endpoint->pickup.named_callgroups =
499                       ast_get_namedgroups(var->value))) {
500                         return -1;
501                 }
502         } else if (!strncmp(var->name, "namedpickupgroup", 16)) {
503                 if (!(endpoint->pickup.named_pickupgroups =
504                       ast_get_namedgroups(var->value))) {
505                         return -1;
506                 }
507         } else {
508                 return -1;
509         }
510
511         return 0;
512 }
513
514 static int dtls_handler(const struct aco_option *opt,
515                          struct ast_variable *var, void *obj)
516 {
517         struct ast_sip_endpoint *endpoint = obj;
518
519         return ast_rtp_dtls_cfg_parse(&endpoint->media.rtp.dtls_cfg, var->name, var->value);
520 }
521
522 static int t38udptl_ec_handler(const struct aco_option *opt,
523         struct ast_variable *var, void *obj)
524 {
525         struct ast_sip_endpoint *endpoint = obj;
526
527         if (!strcmp(var->value, "none")) {
528                 endpoint->media.t38.error_correction = UDPTL_ERROR_CORRECTION_NONE;
529         } else if (!strcmp(var->value, "fec")) {
530                 endpoint->media.t38.error_correction = UDPTL_ERROR_CORRECTION_FEC;
531         } else if (!strcmp(var->value, "redundancy")) {
532                 endpoint->media.t38.error_correction = UDPTL_ERROR_CORRECTION_REDUNDANCY;
533         } else {
534                 return -1;
535         }
536
537         return 0;
538 }
539
540 static void *sip_nat_hook_alloc(const char *name)
541 {
542         return ast_sorcery_generic_alloc(sizeof(struct ast_sip_nat_hook), NULL);
543 }
544
545 /*! \brief Destructor function for persistent endpoint information */
546 static void persistent_endpoint_destroy(void *obj)
547 {
548         struct sip_persistent_endpoint *persistent = obj;
549
550         ast_endpoint_shutdown(persistent->endpoint);
551         ast_free(persistent->aors);
552 }
553
554 /*! \brief Internal function which finds (or creates) persistent endpoint information */
555 static struct ast_endpoint *persistent_endpoint_find_or_create(const struct ast_sip_endpoint *endpoint)
556 {
557         RAII_VAR(struct sip_persistent_endpoint *, persistent, NULL, ao2_cleanup);
558         SCOPED_AO2LOCK(lock, persistent_endpoints);
559
560         if (!(persistent = ao2_find(persistent_endpoints, ast_sorcery_object_get_id(endpoint), OBJ_KEY | OBJ_NOLOCK))) {
561                 if (!(persistent = ao2_alloc(sizeof(*persistent), persistent_endpoint_destroy))) {
562                         return NULL;
563                 }
564
565                 if (!(persistent->endpoint = ast_endpoint_create("PJSIP", ast_sorcery_object_get_id(endpoint)))) {
566                         return NULL;
567                 }
568
569                 persistent->aors = ast_strdup(endpoint->aors);
570
571                 if (ast_strlen_zero(persistent->aors)) {
572                         ast_endpoint_set_state(persistent->endpoint, AST_ENDPOINT_UNKNOWN);
573                 } else {
574                         persistent_endpoint_update_state(persistent, NULL, 0);
575                 }
576
577                 ao2_link_flags(persistent_endpoints, persistent, OBJ_NOLOCK);
578         }
579
580         ao2_ref(persistent->endpoint, +1);
581         return persistent->endpoint;
582 }
583
584 /*! \brief Callback function for when an object is finalized */
585 static int sip_endpoint_apply_handler(const struct ast_sorcery *sorcery, void *obj)
586 {
587         struct ast_sip_endpoint *endpoint = obj;
588
589         if (!(endpoint->persistent = persistent_endpoint_find_or_create(endpoint))) {
590                 return -1;
591         }
592
593         return 0;
594 }
595
596 int ast_res_pjsip_initialize_configuration(void)
597 {
598         if (ast_cli_register_multiple(cli_commands, ARRAY_LEN(cli_commands))) {
599                 return -1;
600         }
601
602         if (!(persistent_endpoints = ao2_container_alloc(PERSISTENT_BUCKETS, persistent_endpoint_hash, persistent_endpoint_cmp))) {
603                 return -1;
604         }
605
606         if (!(sip_sorcery = ast_sorcery_open())) {
607                 ast_log(LOG_ERROR, "Failed to open SIP sorcery failed to open\n");
608                 return -1;
609         }
610
611         ast_sorcery_apply_config(sip_sorcery, "res_pjsip");
612
613         if (ast_sip_initialize_sorcery_auth(sip_sorcery)) {
614                 ast_log(LOG_ERROR, "Failed to register SIP authentication support\n");
615                 ast_sorcery_unref(sip_sorcery);
616                 sip_sorcery = NULL;
617                 return -1;
618         }
619
620         ast_sorcery_apply_default(sip_sorcery, "endpoint", "config", "pjsip.conf,criteria=type=endpoint");
621
622         ast_sorcery_apply_default(sip_sorcery, "nat_hook", "memory", NULL);
623
624         if (ast_sorcery_object_register(sip_sorcery, "endpoint", ast_sip_endpoint_alloc, NULL, sip_endpoint_apply_handler)) {
625                 ast_log(LOG_ERROR, "Failed to register SIP endpoint object with sorcery\n");
626                 ast_sorcery_unref(sip_sorcery);
627                 sip_sorcery = NULL;
628                 return -1;
629         }
630
631         ast_sorcery_internal_object_register(sip_sorcery, "nat_hook", sip_nat_hook_alloc, NULL, NULL);
632
633         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "type", "", OPT_NOOP_T, 0, 0);
634         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "context", "default", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, context));
635         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "disallow", "", OPT_CODEC_T, 0, FLDSET(struct ast_sip_endpoint, media.prefs, media.codecs));
636         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "allow", "", OPT_CODEC_T, 1, FLDSET(struct ast_sip_endpoint, media.prefs, media.codecs));
637         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "dtmfmode", "rfc4733", dtmf_handler, NULL, 0, 0);
638         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "rtp_ipv6", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.rtp.ipv6));
639         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "rtp_symmetric", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.rtp.symmetric));
640         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "ice_support", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.rtp.ice_support));
641         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "use_ptime", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.rtp.use_ptime));
642         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "force_rport", "yes", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, nat.force_rport));
643         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "rewrite_contact", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, nat.rewrite_contact));
644         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "transport", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, transport));
645         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "outbound_proxy", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, outbound_proxy));
646         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "mohsuggest", "default", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, mohsuggest));
647         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "100rel", "yes", prack_handler, NULL, 0, 0);
648         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "timers", "yes", timers_handler, NULL, 0, 0);
649         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "timers_min_se", "90", OPT_UINT_T, 0, FLDSET(struct ast_sip_endpoint, extensions.timer.min_se));
650         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "timers_sess_expires", "1800", OPT_UINT_T, 0, FLDSET(struct ast_sip_endpoint, extensions.timer.sess_expires));
651         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "auth", "", inbound_auth_handler, NULL, 0, 0);
652         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "outbound_auth", "", outbound_auth_handler, NULL, 0, 0);
653         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "aors", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, aors));
654         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "external_media_address", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, media.external_address));
655         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "identify_by", "username", ident_handler, NULL, 0, 0);
656         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "direct_media", "yes", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.direct_media.enabled));
657         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "direct_media_method", "invite", direct_media_method_handler, NULL, 0, 0);
658         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "connected_line_method", "invite", connected_line_method_handler, NULL, 0, 0);
659         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "direct_media_glare_mitigation", "none", direct_media_glare_mitigation_handler, NULL, 0, 0);
660         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "disable_direct_media_on_nat", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.direct_media.disable_on_nat));
661         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "callerid", "", caller_id_handler, NULL, 0, 0);
662         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "callerid_privacy", "", caller_id_privacy_handler, NULL, 0, 0);
663         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "callerid_tag", "", caller_id_tag_handler, NULL, 0, 0);
664         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "trust_id_inbound", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, id.trust_inbound));
665         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "trust_id_outbound", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, id.trust_outbound));
666         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "send_pai", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, id.send_pai));
667         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "send_rpid", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, id.send_rpid));
668         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "send_diversion", "yes", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, id.send_diversion));
669         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "mailboxes", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, subscription.mwi.mailboxes));
670         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "aggregate_mwi", "yes", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, subscription.mwi.aggregate));
671         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "media_encryption", "no", media_encryption_handler, NULL, 0, 0);
672         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "use_avpf", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.rtp.use_avpf));
673         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "one_touch_recording", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, info.recording.enabled));
674         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "inband_progress", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, inband_progress));
675         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "callgroup", "", group_handler, NULL, 0, 0);
676         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "pickupgroup", "", group_handler, NULL, 0, 0);
677         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "namedcallgroup", "", named_groups_handler, NULL, 0, 0);
678         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "namedpickupgroup", "", named_groups_handler, NULL, 0, 0);
679         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "devicestate_busy_at", "0", OPT_UINT_T, 0, FLDSET(struct ast_sip_endpoint, devicestate_busy_at));
680         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "t38udptl", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.t38.enabled));
681         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "t38udptl_ec", "none", t38udptl_ec_handler, NULL, 0, 0);
682         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "t38udptl_maxdatagram", "0", OPT_UINT_T, 0, FLDSET(struct ast_sip_endpoint, media.t38.maxdatagram));
683         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "faxdetect", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, faxdetect));
684         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "t38udptl_nat", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.t38.nat));
685         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "t38udptl_ipv6", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.t38.ipv6));
686         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "tonezone", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, zone));
687         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "language", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, language));
688         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "recordonfeature", "automixmon", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, info.recording.onfeature));
689         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "recordofffeature", "automixmon", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, info.recording.offfeature));
690         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "allowtransfer", "yes", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, allowtransfer));
691         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "sdpowner", "-", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, media.sdpowner));
692         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "sdpsession", "Asterisk", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, media.sdpsession));
693         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "tos_audio", "0", OPT_UINT_T, 0, FLDSET(struct ast_sip_endpoint, media.tos_audio));
694         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "tos_video", "0", OPT_UINT_T, 0, FLDSET(struct ast_sip_endpoint, media.tos_video));
695         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "cos_audio", "0", OPT_UINT_T, 0, FLDSET(struct ast_sip_endpoint, media.cos_audio));
696         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "cos_video", "0", OPT_UINT_T, 0, FLDSET(struct ast_sip_endpoint, media.cos_video));
697         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "allowsubscribe", "yes", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, subscription.allow));
698         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "subminexpiry", "0", OPT_UINT_T, 0, FLDSET(struct ast_sip_endpoint, subscription.minexpiry));
699         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "fromuser", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, fromuser));
700         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "fromdomain", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, fromdomain));
701         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "mwifromuser", "", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, subscription.mwi.fromuser));
702         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "rtpengine", "asterisk", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, media.rtp.engine));
703         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "dtlsverify", "", dtls_handler, NULL, 0, 0);
704         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "dtlsrekey", "", dtls_handler, NULL, 0, 0);
705         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "dtlscertfile", "", dtls_handler, NULL, 0, 0);
706         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "dtlsprivatekey", "", dtls_handler, NULL, 0, 0);
707         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "dtlscipher", "", dtls_handler, NULL, 0, 0);
708         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "dtlscafile", "", dtls_handler, NULL, 0, 0);
709         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "dtlscapath", "", dtls_handler, NULL, 0, 0);
710         ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "dtlssetup", "", dtls_handler, NULL, 0, 0);
711         ast_sorcery_object_field_register(sip_sorcery, "endpoint", "srtp_tag_32", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.rtp.srtp_tag_32));
712
713         if (ast_sip_initialize_sorcery_transport(sip_sorcery)) {
714                 ast_log(LOG_ERROR, "Failed to register SIP transport support with sorcery\n");
715                 ast_sorcery_unref(sip_sorcery);
716                 sip_sorcery = NULL;
717                 return -1;
718         }
719
720         if (ast_sip_initialize_sorcery_location(sip_sorcery)) {
721                 ast_log(LOG_ERROR, "Failed to register SIP location support with sorcery\n");
722                 ast_sorcery_unref(sip_sorcery);
723                 sip_sorcery = NULL;
724                 return -1;
725         }
726
727         if (ast_sip_initialize_sorcery_qualify(sip_sorcery)) {
728                 ast_log(LOG_ERROR, "Failed to register SIP qualify support with sorcery\n");
729                 ast_sorcery_unref(sip_sorcery);
730                 sip_sorcery = NULL;
731                 return -1;
732         }
733
734         ast_sorcery_observer_add(sip_sorcery, "contact", &state_contact_observer);
735
736         if (ast_sip_initialize_sorcery_domain_alias(sip_sorcery)) {
737                 ast_log(LOG_ERROR, "Failed to register SIP domain aliases support with sorcery\n");
738                 ast_sorcery_unref(sip_sorcery);
739                 sip_sorcery = NULL;
740                 return -1;
741         }
742
743         if (ast_sip_initialize_sorcery_global(sip_sorcery)) {
744                 ast_log(LOG_ERROR, "Failed to register SIP Global support\n");
745                 ast_sorcery_unref(sip_sorcery);
746                 sip_sorcery = NULL;
747                 return -1;
748         }
749
750         ast_sorcery_load(sip_sorcery);
751
752         return 0;
753 }
754
755 void ast_res_pjsip_destroy_configuration(void)
756 {
757         ast_cli_unregister_multiple(cli_commands, ARRAY_LEN(cli_commands));
758         ast_sorcery_unref(sip_sorcery);
759 }
760
761 int ast_res_pjsip_reload_configuration(void)
762 {
763         if (sip_sorcery) {
764                 ast_sorcery_reload(sip_sorcery);
765         }
766         return 0;
767 }
768
769 static void subscription_configuration_destroy(struct ast_sip_endpoint_subscription_configuration *subscription)
770 {
771         ast_string_field_free_memory(&subscription->mwi);
772 }
773
774 static void info_configuration_destroy(struct ast_sip_endpoint_info_configuration *info)
775 {
776         ast_string_field_free_memory(&info->recording);
777 }
778
779 static void media_configuration_destroy(struct ast_sip_endpoint_media_configuration *media)
780 {
781         ast_string_field_free_memory(&media->rtp);
782         ast_string_field_free_memory(media);
783 }
784
785 static void endpoint_destructor(void* obj)
786 {
787         struct ast_sip_endpoint *endpoint = obj;
788
789         ast_string_field_free_memory(endpoint);
790
791         if (endpoint->media.codecs) {
792                 ast_format_cap_destroy(endpoint->media.codecs);
793         }
794         subscription_configuration_destroy(&endpoint->subscription);
795         info_configuration_destroy(&endpoint->info);
796         media_configuration_destroy(&endpoint->media);
797         ast_sip_auth_array_destroy(&endpoint->inbound_auths);
798         ast_sip_auth_array_destroy(&endpoint->outbound_auths);
799         ast_party_id_free(&endpoint->id.self);
800         endpoint->pickup.named_callgroups = ast_unref_namedgroups(endpoint->pickup.named_callgroups);
801         endpoint->pickup.named_pickupgroups = ast_unref_namedgroups(endpoint->pickup.named_pickupgroups);
802         ao2_cleanup(endpoint->persistent);
803 }
804
805 static int init_subscription_configuration(struct ast_sip_endpoint_subscription_configuration *subscription)
806 {
807         return ast_string_field_init(&subscription->mwi, 64);
808 }
809
810 static int init_info_configuration(struct ast_sip_endpoint_info_configuration *info)
811 {
812         return ast_string_field_init(&info->recording, 32);
813 }
814
815 static int init_media_configuration(struct ast_sip_endpoint_media_configuration *media)
816 {
817         return ast_string_field_init(media, 64) || ast_string_field_init(&media->rtp, 32);
818 }
819
820 void *ast_sip_endpoint_alloc(const char *name)
821 {
822         struct ast_sip_endpoint *endpoint = ast_sorcery_generic_alloc(sizeof(*endpoint), endpoint_destructor);
823         if (!endpoint) {
824                 return NULL;
825         }
826         if (ast_string_field_init(endpoint, 64)) {
827                 ao2_cleanup(endpoint);
828                 return NULL;
829         }
830         if (!(endpoint->media.codecs = ast_format_cap_alloc_nolock())) {
831                 ao2_cleanup(endpoint);
832                 return NULL;
833         }
834         if (init_subscription_configuration(&endpoint->subscription)) {
835                 ao2_cleanup(endpoint);
836                 return NULL;
837         }
838         if (init_info_configuration(&endpoint->info)) {
839                 ao2_cleanup(endpoint);
840                 return NULL;
841         }
842         if (init_media_configuration(&endpoint->media)) {
843                 ao2_cleanup(endpoint);
844                 return NULL;
845         }
846         ast_party_id_init(&endpoint->id.self);
847         return endpoint;
848 }
849
850 struct ao2_container *ast_sip_get_endpoints(void)
851 {
852         struct ao2_container *endpoints;
853
854         endpoints = ast_sorcery_retrieve_by_fields(sip_sorcery, "endpoint", AST_RETRIEVE_FLAG_MULTIPLE | AST_RETRIEVE_FLAG_ALL, NULL);
855
856         return endpoints;
857 }
858
859 int ast_sip_retrieve_auths(const struct ast_sip_auth_array *auths, struct ast_sip_auth **out)
860 {
861         int i;
862
863         for (i = 0; i < auths->num; ++i) {
864                 out[i] = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), SIP_SORCERY_AUTH_TYPE, auths->names[i]);
865                 if (!out[i]) {
866                         ast_log(LOG_NOTICE, "Couldn't find auth '%s'. Cannot authenticate\n", auths->names[i]);
867                         return -1;
868                 }
869         }
870
871         return 0;
872 }
873
874 void ast_sip_cleanup_auths(struct ast_sip_auth *auths[], size_t num_auths)
875 {
876         int i;
877         for (i = 0; i < num_auths; ++i) {
878                 ao2_cleanup(auths[i]);
879         }
880 }
881
882 struct ast_sorcery *ast_sip_get_sorcery(void)
883 {
884         return sip_sorcery;
885 }