2 * Copyright (c) 2016, JANET(UK)
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6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
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17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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37 #include <trust_router/tr_dh.h>
38 #include <tid_internal.h>
39 #include <tr_filter.h>
46 #include <trp_internal.h>
47 #include <tr_config.h>
52 /* Structure to hold data for the tid response callback */
53 typedef struct tr_resp_cookie {
58 /* hold a tids instance and a config manager */
59 struct tr_tids_event_cookie {
65 static void tr_tidc_resp_handler(TIDC_INSTANCE *tidc,
70 TR_RESP_COOKIE *cookie=talloc_get_type_abort(resp_cookie, TR_RESP_COOKIE);
72 tr_debug("tr_tidc_resp_handler: Response received! Realm = %s, Community = %s, result = %s.",
75 (TID_SUCCESS==resp->result)?"success":"error");
77 if (resp->error_path!=NULL)
78 tr_debug("tr_tids_resp_handler: error_path is set.");
79 cookie->resp=tid_resp_dup(cookie, resp);
82 /* data for AAA req forwarding threads */
83 struct tr_tids_fwd_cookie {
85 pthread_mutex_t mutex; /* lock on the mq (separate from the locking within the mq, see below) */
86 TR_MQ *mq; /* messages from thread to main process; set to NULL to disable response */
87 TR_NAME *aaa_hostname;
89 TID_REQ *fwd_req; /* the req to duplicate */
92 static int tr_tids_fwd_cookie_destructor(void *obj)
94 struct tr_tids_fwd_cookie *c=talloc_get_type_abort(obj, struct tr_tids_fwd_cookie);
95 if (c->aaa_hostname!=NULL)
96 tr_free_name(c->aaa_hostname);
97 if (c->dh_params!=NULL)
98 tr_destroy_dh_params(c->dh_params);
102 /* Block until we get the lock, returns 0 on success.
103 * The mutex is used to protect changes to the mq pointer in
104 * a thread's cookie. The master thread sets this to null to indicate
105 * that it has abandoned the thread and the message queue is no longer
106 * valid. This is unrelated to the locking in the message queue
107 * implementation itself. */
108 static int tr_tids_fwd_get_mutex(struct tr_tids_fwd_cookie *cookie)
113 return (pthread_mutex_lock(&(cookie->mutex)));
116 static int tr_tids_fwd_release_mutex(struct tr_tids_fwd_cookie *cookie)
121 return (pthread_mutex_unlock(&(cookie->mutex)));
124 /* values for messages */
125 #define TR_TID_MQMSG_SUCCESS "tid success"
126 #define TR_TID_MQMSG_FAILURE "tid failure"
128 /* Thread main for sending and receiving a request to a single AAA server */
129 static void *tr_tids_req_fwd_thread(void *arg)
131 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
132 struct tr_tids_fwd_cookie *args=talloc_get_type_abort(arg, struct tr_tids_fwd_cookie);
133 TIDC_INSTANCE *tidc=tidc_create(tmp_ctx);
135 TR_RESP_COOKIE *cookie=NULL;
139 talloc_steal(tmp_ctx, args); /* take responsibility for the cookie */
141 /* create the cookie we will use for our response */
142 cookie=talloc(tmp_ctx, TR_RESP_COOKIE);
144 tr_notice("tr_tids_req_fwd_thread: unable to allocate response cookie.");
148 cookie->thread_id=args->thread_id;
149 tr_debug("tr_tids_req_fwd_thread: thread %d started.", cookie->thread_id);
151 /* Create a TID client instance */
153 tr_crit("tr_tids_req_fwd_thread: Unable to allocate TIDC instance.");
154 /*tids_send_err_response(tids, orig_req, "Memory allocation failure");*/
155 /* TODO: encode reason for failure */
160 /* Set-up TID connection */
161 if (-1==(args->fwd_req->conn = tidc_open_connection(tidc,
162 args->aaa_hostname->buf,
163 TID_PORT, /* TODO: make this configurable */
164 &(args->fwd_req->gssctx)))) {
165 tr_notice("tr_tids_req_fwd_thread: Error in tidc_open_connection.");
166 /* tids_send_err_response(tids, orig_req, "Can't open connection to next hop TIDS"); */
167 /* TODO: encode reason for failure */
171 tr_debug("tr_tids_req_fwd_thread: thread %d opened TID connection to %s.",
173 args->aaa_hostname->buf);
175 /* Send a TID request. */
176 if (0 > (rc = tidc_fwd_request(tidc, args->fwd_req, tr_tidc_resp_handler, (void *)cookie))) {
177 tr_notice("Error from tidc_fwd_request, rc = %d.", rc);
181 /* cookie->resp should now contain our copy of the response */
183 tr_debug("tr_tids_req_fwd_thread: thread %d received response.");
186 /* Notify parent thread of the response, if it's still listening. */
187 if (0!=tr_tids_fwd_get_mutex(args)) {
188 tr_notice("tr_tids_req_fwd_thread: thread %d unable to acquire mutex.", cookie->thread_id);
189 } else if (NULL!=args->mq) {
190 /* mq is still valid, so we can queue our response */
191 tr_debug("tr_tids_req_fwd_thread: thread %d using valid msg queue.", cookie->thread_id);
193 msg=tr_mq_msg_new(tmp_ctx, TR_TID_MQMSG_SUCCESS, TR_MQ_PRIO_NORMAL);
195 msg=tr_mq_msg_new(tmp_ctx, TR_TID_MQMSG_FAILURE, TR_MQ_PRIO_NORMAL);
198 tr_notice("tr_tids_req_fwd_thread: thread %d unable to allocate response msg.", cookie->thread_id);
200 tr_mq_msg_set_payload(msg, (void *)cookie, NULL);
202 talloc_steal(msg, cookie); /* attach this to the msg so we can forget about it */
203 tr_mq_add(args->mq, msg);
204 talloc_steal(NULL, args); /* take out of our tmp_ctx; master thread now responsible for freeing */
205 tr_debug("tr_tids_req_fwd_thread: thread %d queued response message.", cookie->thread_id);
206 if (0!=tr_tids_fwd_release_mutex(args))
207 tr_notice("tr_tids_req_fwd_thread: Error releasing mutex.");
210 talloc_free(tmp_ctx);
214 /* Merges r2 into r1 if they are compatible. */
215 static TID_RC tr_tids_merge_resps(TID_RESP *r1, TID_RESP *r2)
217 /* ensure these are compatible replies */
218 if ((r1->result!=TID_SUCCESS) || (r2->result!=TID_SUCCESS))
221 if ((0!=tr_name_cmp(r1->rp_realm, r2->rp_realm)) ||
222 (0!=tr_name_cmp(r1->realm, r2->realm)) ||
223 (0!=tr_name_cmp(r1->comm, r2->comm)))
226 tid_srvr_blk_add(r1->servers, tid_srvr_blk_dup(r1, r2->servers));
230 static int tr_tids_req_handler(TIDS_INSTANCE *tids,
235 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
236 TR_AAA_SERVER *aaa_servers=NULL, *this_aaa=NULL;
239 TR_AAA_SERVER_ITER *aaa_iter=NULL;
240 pthread_t aaa_thread[TR_TID_MAX_AAA_SERVERS];
241 struct tr_tids_fwd_cookie *aaa_cookie[TR_TID_MAX_AAA_SERVERS]={NULL};
242 TID_RESP *aaa_resp[TR_TID_MAX_AAA_SERVERS]={NULL};
244 TID_REQ *fwd_req = NULL;
245 TR_COMM *cfg_comm = NULL;
246 TR_COMM *cfg_apc = NULL;
247 int oaction = TR_FILTER_ACTION_REJECT;
248 time_t expiration_interval=0;
249 struct tr_tids_event_cookie *cookie=talloc_get_type_abort(cookie_in, struct tr_tids_event_cookie);
250 TR_CFG_MGR *cfg_mgr=cookie->cfg_mgr;
251 TRPS_INSTANCE *trps=cookie->trps;
252 TRP_ROUTE *route=NULL;
255 unsigned int n_responses=0;
256 unsigned int n_failed=0;
257 struct timespec ts_abort={0};
258 unsigned int resp_frac_numer=cfg_mgr->active->internal->tid_resp_numer;
259 unsigned int resp_frac_denom=cfg_mgr->active->internal->tid_resp_denom;
260 TR_RESP_COOKIE *payload=NULL;
264 if ((!tids) || (!orig_req) || (!resp)) {
265 tr_debug("tr_tids_req_handler: Bad parameters");
270 tr_debug("tr_tids_req_handler: Request received (conn = %d)! Realm = %s, Comm = %s", orig_req->conn,
271 orig_req->realm->buf, orig_req->comm->buf);
274 /* Duplicate the request, so we can modify and forward it */
275 if (NULL == (fwd_req=tid_dup_req(tmp_ctx, orig_req))) {
276 tr_debug("tr_tids_req_handler: Unable to duplicate request.");
281 if (NULL == (cfg_comm=tr_comm_table_find_comm(cfg_mgr->active->ctable, orig_req->comm))) {
282 tr_notice("tr_tids_req_hander: Request for unknown comm: %s.", orig_req->comm->buf);
283 tids_send_err_response(tids, orig_req, "Unknown community");
288 /* Check that the rp_realm matches the filter for the GSS name that
289 * was received. N.B. that tids->rp_gss was pointed at the correct
290 * rp_client when we received its GSS name. It is only set within
291 * the TIDS handler subprocess. */
293 if ((!tids->rp_gss) ||
294 (!tids->rp_gss->filter)) {
295 tr_notice("tr_tids_req_handler: No GSS name for incoming request.");
296 tids_send_err_response(tids, orig_req, "No GSS name for request");
301 if ((TR_FILTER_NO_MATCH == tr_filter_process_rp_permitted(orig_req->rp_realm,
302 tids->rp_gss->filter,
306 (TR_FILTER_ACTION_REJECT == oaction)) {
307 tr_notice("tr_tids_req_handler: RP realm (%s) does not match RP Realm filter for GSS name", orig_req->rp_realm->buf);
308 tids_send_err_response(tids, orig_req, "RP Realm filter error");
312 /* Check that the rp_realm is a member of the community in the request */
313 if (NULL == tr_comm_find_rp(cfg_mgr->active->ctable, cfg_comm, orig_req->rp_realm)) {
314 tr_notice("tr_tids_req_handler: RP Realm (%s) not member of community (%s).", orig_req->rp_realm->buf, orig_req->comm->buf);
315 tids_send_err_response(tids, orig_req, "RP COI membership error");
320 /* Map the comm in the request from a COI to an APC, if needed */
321 if (TR_COMM_COI == cfg_comm->type) {
322 if (orig_req->orig_coi!=NULL) {
323 tr_notice("tr_tids_req_handler: community %s is COI but COI to APC mapping already occurred. Dropping request.",
324 orig_req->comm->buf);
325 tids_send_err_response(tids, orig_req, "Second COI to APC mapping would result, permitted only once.");
330 tr_debug("tr_tids_req_handler: Community was a COI, switching.");
331 /* TBD -- In theory there can be more than one? How would that work? */
332 if ((!cfg_comm->apcs) || (!cfg_comm->apcs->id)) {
333 tr_notice("No valid APC for COI %s.", orig_req->comm->buf);
334 tids_send_err_response(tids, orig_req, "No valid APC for community");
338 apc = tr_dup_name(cfg_comm->apcs->id);
340 /* Check that the APC is configured */
341 if (NULL == (cfg_apc = tr_comm_table_find_comm(cfg_mgr->active->ctable, apc))) {
342 tr_notice("tr_tids_req_hander: Request for unknown comm: %s.", apc->buf);
343 tids_send_err_response(tids, orig_req, "Unknown APC");
349 fwd_req->orig_coi = orig_req->comm;
351 /* Check that rp_realm is a member of this APC */
352 if (NULL == (tr_comm_find_rp(cfg_mgr->active->ctable, cfg_apc, orig_req->rp_realm))) {
353 tr_notice("tr_tids_req_hander: RP Realm (%s) not member of community (%s).", orig_req->rp_realm->buf, orig_req->comm->buf);
354 tids_send_err_response(tids, orig_req, "RP APC membership error");
360 /* Look up the route for this community/realm. */
361 tr_debug("tr_tids_req_handler: looking up route.");
362 route=trps_get_selected_route(trps, orig_req->comm, orig_req->realm);
364 tr_notice("tr_tids_req_handler: no route table entry found for realm (%s) in community (%s).",
365 orig_req->realm->buf, orig_req->comm->buf);
366 tids_send_err_response(tids, orig_req, "Missing trust route error");
370 tr_debug("tr_tids_req_handler: found route.");
371 if (trp_route_is_local(route)) {
372 tr_debug("tr_tids_req_handler: route is local.");
373 aaa_servers = tr_idp_aaa_server_lookup(cfg_mgr->active->ctable->idp_realms,
378 tr_debug("tr_tids_req_handler: route not local.");
379 aaa_servers = tr_aaa_server_new(tmp_ctx, trp_route_get_next_hop(route));
383 /* Find the AAA server(s) for this request */
384 if (NULL == aaa_servers) {
385 tr_debug("tr_tids_req_handler: No AAA Servers for realm %s, defaulting.", orig_req->realm->buf);
386 if (NULL == (aaa_servers = tr_default_server_lookup (cfg_mgr->active->default_servers,
388 tr_notice("tr_tids_req_handler: No default AAA servers, discarded.");
389 tids_send_err_response(tids, orig_req, "No path to AAA Server(s) for realm");
395 /* if we aren't defaulting, check idp coi and apc membership */
396 if (NULL == (tr_comm_find_idp(cfg_mgr->active->ctable, cfg_comm, fwd_req->realm))) {
397 tr_notice("tr_tids_req_handler: IDP Realm (%s) not member of community (%s).", orig_req->realm->buf, orig_req->comm->buf);
398 tids_send_err_response(tids, orig_req, "IDP community membership error");
402 if ( cfg_apc && (NULL == (tr_comm_find_idp(cfg_mgr->active->ctable, cfg_apc, fwd_req->realm)))) {
403 tr_notice("tr_tids_req_handler: IDP Realm (%s) not member of APC (%s).", orig_req->realm->buf, orig_req->comm->buf);
404 tids_send_err_response(tids, orig_req, "IDP APC membership error");
410 /* send a TID request to the AAA server(s), and get the answer(s) */
411 tr_debug("tr_tids_req_handler: sending TID request(s).");
413 expiration_interval = cfg_apc->expiration_interval;
414 else expiration_interval = cfg_comm->expiration_interval;
415 if (fwd_req->expiration_interval)
416 fwd_req->expiration_interval = (expiration_interval < fwd_req->expiration_interval) ? expiration_interval : fwd_req->expiration_interval;
417 else fwd_req->expiration_interval = expiration_interval;
419 /* Set up message queue for replies from req forwarding threads */
420 mq=tr_mq_new(tmp_ctx);
422 tr_notice("tr_tids_req_handler: unable to allocate message queue.");
426 tr_debug("tr_tids_req_handler: message queue allocated.");
429 aaa_iter=tr_aaa_server_iter_new(tmp_ctx);
430 if (aaa_iter==NULL) {
431 tr_notice("tr_tids_req_handler: unable to allocate AAA server iterator.");
435 for (n_aaa=0, this_aaa=tr_aaa_server_iter_first(aaa_iter, aaa_servers);
437 n_aaa++, this_aaa=tr_aaa_server_iter_next(aaa_iter)) {
438 tr_debug("tr_tids_req_handler: Preparing to start thread %d.", n_aaa);
440 aaa_cookie[n_aaa]=talloc(tmp_ctx, struct tr_tids_fwd_cookie);
441 if (aaa_cookie[n_aaa]==NULL) {
442 tr_notice("tr_tids_req_handler: unable to allocate cookie for AAA thread %d.", n_aaa);
446 talloc_set_destructor((void *)(aaa_cookie[n_aaa]), tr_tids_fwd_cookie_destructor);
447 /* fill in the cookie. To ensure the thread has valid data even if we exit first and
448 * abandon it, duplicate anything pointed to (except the mq). */
449 aaa_cookie[n_aaa]->thread_id=n_aaa;
450 if (0!=pthread_mutex_init(&(aaa_cookie[n_aaa]->mutex), NULL)) {
451 tr_notice("tr_tids_req_handler: unable to init mutex for AAA thread %d.", n_aaa);
455 aaa_cookie[n_aaa]->mq=mq;
456 aaa_cookie[n_aaa]->aaa_hostname=tr_dup_name(this_aaa->hostname);
457 aaa_cookie[n_aaa]->dh_params=tr_dh_dup(orig_req->tidc_dh);
458 aaa_cookie[n_aaa]->fwd_req=tid_dup_req(aaa_cookie[n_aaa], fwd_req);
459 tr_debug("tr_tids_req_handler: cookie %d initialized.", n_aaa);
461 /* Take the cookie out of tmp_ctx before starting thread. If thread starts, it becomes
462 * responsible for freeing it until it queues a response. If we did not do this, the possibility
463 * exists that this function exits, freeing the cookie, before the thread takes the cookie
464 * out of our tmp_ctx. This would cause a segfault or talloc error in the thread. */
465 talloc_steal(NULL, aaa_cookie[n_aaa]);
466 if (0!=pthread_create(&(aaa_thread[n_aaa]), NULL, tr_tids_req_fwd_thread, aaa_cookie[n_aaa])) {
467 talloc_steal(tmp_ctx, aaa_cookie[n_aaa]); /* thread start failed; steal this back */
468 tr_notice("tr_tids_req_handler: unable to start AAA thread %d.", n_aaa);
472 tr_debug("tr_tids_req_handler: thread %d started.", n_aaa);
475 /* determine expiration time */
476 if (0!=tr_mq_pop_timeout(cfg_mgr->active->internal->tid_req_timeout, &ts_abort)) {
477 tr_notice("tr_tids_req_handler: unable to read clock for timeout.");
482 /* wait for responses */
483 tr_debug("tr_tids_req_handler: waiting for response(s).");
486 while (((n_responses+n_failed)<n_aaa) &&
487 (NULL!=(msg=tr_mq_pop(mq, &ts_abort)))) {
488 /* process message */
489 if (0==strcmp(tr_mq_msg_get_message(msg), TR_TID_MQMSG_SUCCESS)) {
490 payload=talloc_get_type_abort(tr_mq_msg_get_payload(msg), TR_RESP_COOKIE);
491 talloc_steal(tmp_ctx, payload); /* put this back in our context */
492 aaa_resp[payload->thread_id]=payload->resp; /* save pointers to these */
494 if (payload->resp->result==TID_SUCCESS) {
495 tr_tids_merge_resps(resp, payload->resp);
499 tr_notice("tr_tids_req_handler: TID error received from AAA server %d: %.*s",
501 payload->resp->err_msg->len,
502 payload->resp->err_msg->buf);
504 } else if (0==strcmp(tr_mq_msg_get_message(msg), TR_TID_MQMSG_FAILURE)) {
507 payload=talloc_get_type(tr_mq_msg_get_payload(msg), TR_RESP_COOKIE);
509 talloc_steal(tmp_ctx, payload); /* put this back in our context */
511 /* this means the thread was unable to allocate a response cookie, and we thus cannot determine which thread it was. This is bad and should never happen in a working system.. Give up. */
512 tr_notice("tr_tids_req_handler: TID request thread sent invalid reply. Aborting!");
516 tr_notice("tr_tids_req_handler: TID request for AAA server %d failed.",
519 /* unexpected message */
520 tr_err("tr_tids_req_handler: Unexpected message received. Aborting!");
525 /* Set the cookie pointer to NULL so we know we've dealt with this one. The
526 * cookie itself is in our tmp_ctx, which we'll free before exiting. Let it hang
527 * around in case we are still using pointers to elements of the cookie. */
528 aaa_cookie[payload->thread_id]=NULL;
532 /* check whether we've received enough responses to exit */
533 if ((idp_shared && (n_responses>0)) ||
534 (resp_frac_denom*n_responses>=resp_frac_numer*n_aaa))
538 tr_debug("tr_tids_req_handler: done waiting for responses. %d responses, %d failures.",
539 n_responses, n_failed);
540 /* Inform any remaining threads that we will no longer handle their responses. */
541 for (ii=0; ii<n_aaa; ii++) {
542 if (aaa_cookie[ii]!=NULL) {
543 if (0!=tr_tids_fwd_get_mutex(aaa_cookie[ii]))
544 tr_notice("tr_tids_req_handler: unable to get mutex for AAA thread %d.", ii);
546 aaa_cookie[ii]->mq=NULL; /* threads will not try to respond through a null mq */
548 if (0!=tr_tids_fwd_release_mutex(aaa_cookie[ii]))
549 tr_notice("tr_tids_req_handler: unable to release mutex for AAA thread %d.", ii);
553 /* Now all threads have either replied (and aaa_cookie[ii] is null) or have been told not to
554 * reply (by setting their mq pointer to null). However, some may have responded by placing
555 * a message on the mq after we last checked but before we set their mq pointer to null. These
556 * will not know that we gave up on them, so we must free their cookies for them. We can just
557 * go through any remaining messages on the mq to identify these threads. By putting them in
558 * our context instead of freeing them directly, we ensure we don't accidentally invalidate
559 * any of our own pointers into the structure before this function exits. */
560 while (NULL!=(msg=tr_mq_pop(mq, NULL))) {
561 payload=(TR_RESP_COOKIE *)tr_mq_msg_get_payload(msg);
562 if (aaa_cookie[payload->thread_id]!=NULL)
563 talloc_steal(tmp_ctx, aaa_cookie[payload->thread_id]);
568 if (n_responses==0) {
569 /* No requests succeeded. Forward an error if we got any error responses. */
570 for (ii=0; ii<n_aaa; ii++) {
571 if (aaa_resp[ii]!=NULL)
572 tids_send_response(tids, orig_req, aaa_resp[ii]);
574 tids_send_err_response(tids, orig_req, "Unable to contact AAA server(s).");
582 talloc_free(tmp_ctx);
586 static int tr_tids_gss_handler(gss_name_t client_name, TR_NAME *gss_name,
590 struct tr_tids_event_cookie *cookie=talloc_get_type_abort(data, struct tr_tids_event_cookie);
591 TIDS_INSTANCE *tids = cookie->tids;
592 TR_CFG_MGR *cfg_mgr = cookie->cfg_mgr;
594 if ((!client_name) || (!gss_name) || (!tids) || (!cfg_mgr)) {
595 tr_debug("tr_tidc_gss_handler: Bad parameters.");
599 /* look up the RP client matching the GSS name */
600 if ((NULL == (rp = tr_rp_client_lookup(cfg_mgr->active->rp_clients, gss_name)))) {
601 tr_debug("tr_tids_gss_handler: Unknown GSS name %s", gss_name->buf);
605 /* Store the rp client */
607 tr_debug("Client's GSS Name: %s", gss_name->buf);
613 /***** TIDS event handling *****/
615 /* called when a connection to the TIDS port is received */
616 static void tr_tids_event_cb(int listener, short event, void *arg)
618 TIDS_INSTANCE *tids = (TIDS_INSTANCE *)arg;
620 if (0==(event & EV_READ))
621 tr_debug("tr_tids_event_cb: unexpected event on TIDS socket (event=0x%X)", event);
623 tids_accept(tids, listener);
626 /* Configure the tids instance and set up its event handler.
627 * Returns 0 on success, nonzero on failure. Fills in
628 * *tids_event (which should be allocated by caller). */
629 int tr_tids_event_init(struct event_base *base,
633 struct tr_socket_event *tids_ev)
635 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
636 struct tr_tids_event_cookie *cookie=NULL;
640 if (tids_ev == NULL) {
641 tr_debug("tr_tids_event_init: Null tids_ev.");
646 /* Create the cookie for callbacks. We'll put it in the tids context, so it will
647 * be cleaned up when tids is freed by talloc_free. */
648 cookie=talloc(tmp_ctx, struct tr_tids_event_cookie);
649 if (cookie == NULL) {
650 tr_debug("tr_tids_event_init: Unable to allocate cookie.");
655 cookie->cfg_mgr=cfg_mgr;
657 talloc_steal(tids, cookie);
659 /* get a tids listener */
660 tids_ev->n_sock_fd=tids_get_listener(tids,
663 cfg_mgr->active->internal->hostname,
664 cfg_mgr->active->internal->tids_port,
668 if (tids_ev->n_sock_fd==0) {
669 tr_crit("Error opening TID server socket.");
675 for (ii=0; ii<tids_ev->n_sock_fd; ii++) {
676 tids_ev->ev[ii]=event_new(base,
677 tids_ev->sock_fd[ii],
681 event_add(tids_ev->ev[ii], NULL);
685 talloc_free(tmp_ctx);