2 * Copyright (c) 2012-2014 , JANET(UK)
5 * Redistribution and use in source and binary forms, with or without
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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22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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31 * OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include <sys/socket.h>
35 #include <netinet/in.h>
36 #include <arpa/inet.h>
38 #include <openssl/dh.h>
45 #include <trust_router/tr_name.h>
46 #include <trp_internal.h>
47 #include <trust_router/tr_constraint.h>
51 /* Read attribute attr from msg as an integer. Returns nonzero on error. */
52 static int tr_msg_get_json_integer(json_t *jmsg, const char *attr, int *dest)
56 obj=json_object_get(jmsg, attr);
61 if (!json_is_integer(obj)) {
65 (*dest)=json_integer_value(obj);
69 /* Read attribute attr from msg as a string. Copies string into mem_ctx context so jmsg can
70 * be destroyed safely. Returns nonzero on error. */
71 static int tr_msg_get_json_string(json_t *jmsg, const char *attr, char **dest, TALLOC_CTX *mem_ctx)
75 obj=json_object_get(jmsg, attr);
80 if (!json_is_string(obj))
83 *dest=talloc_strdup(mem_ctx, json_string_value(obj));
90 enum msg_type tr_msg_get_msg_type(TR_MSG *msg)
95 void tr_msg_set_msg_type(TR_MSG *msg, enum msg_type type)
100 TID_REQ *tr_msg_get_req(TR_MSG *msg)
102 if (msg->msg_type == TID_REQUEST)
103 return (TID_REQ *)msg->msg_rep;
107 void tr_msg_set_req(TR_MSG *msg, TID_REQ *req)
110 msg->msg_type = TID_REQUEST;
113 TID_RESP *tr_msg_get_resp(TR_MSG *msg)
115 if (msg->msg_type == TID_RESPONSE)
116 return (TID_RESP *)msg->msg_rep;
120 void tr_msg_set_resp(TR_MSG *msg, TID_RESP *resp)
123 msg->msg_type = TID_RESPONSE;
126 TRP_UPD *tr_msg_get_trp_upd(TR_MSG *msg)
128 if (msg->msg_type == TRP_UPDATE)
129 return (TRP_UPD *)msg->msg_rep;
133 void tr_msg_set_trp_upd(TR_MSG *msg, TRP_UPD *update)
136 talloc_steal(NULL, update); /* should attach to msg, but TR_MSG not usually talloc'ed */
137 msg->msg_type=TRP_UPDATE;
140 TRP_REQ *tr_msg_get_trp_req(TR_MSG *msg)
142 if (msg->msg_type == TRP_REQUEST)
143 return (TRP_REQ *)msg->msg_rep;
147 void tr_msg_set_trp_req(TR_MSG *msg, TRP_REQ *req)
150 msg->msg_type=TRP_REQUEST;
153 static json_t *tr_msg_encode_dh(DH *dh)
158 if ((!dh) || (!dh->p) || (!dh->g) || (!dh->pub_key))
163 jbn = json_string(BN_bn2hex(dh->p));
164 json_object_set_new(jdh, "dh_p", jbn);
166 jbn = json_string(BN_bn2hex(dh->g));
167 json_object_set_new(jdh, "dh_g", jbn);
169 jbn = json_string(BN_bn2hex(dh->pub_key));
170 json_object_set_new(jdh, "dh_pub_key", jbn);
175 static DH *tr_msg_decode_dh(json_t *jdh)
180 json_t *jpub_key = NULL;
182 if (!(dh = malloc(sizeof(DH)))) {
183 tr_crit("tr_msg_decode_dh(): Error allocating DH structure.");
187 memset(dh, 0, sizeof(DH));
189 /* store required fields from dh object */
190 if ((NULL == (jp = json_object_get(jdh, "dh_p"))) ||
191 (NULL == (jg = json_object_get(jdh, "dh_g"))) ||
192 (NULL == (jpub_key = json_object_get(jdh, "dh_pub_key")))) {
193 tr_debug("tr_msg_decode_dh(): Error parsing dh_info.");
198 BN_hex2bn(&(dh->p), json_string_value(jp));
199 BN_hex2bn(&(dh->g), json_string_value(jg));
200 BN_hex2bn(&(dh->pub_key), json_string_value(jpub_key));
205 static json_t * tr_msg_encode_tidreq(TID_REQ *req)
210 if ((!req) || (!req->rp_realm) || (!req->realm) || !(req->comm))
213 assert(jreq = json_object());
215 jstr = json_string(req->rp_realm->buf);
216 json_object_set_new(jreq, "rp_realm", jstr);
218 jstr = json_string(req->realm->buf);
219 json_object_set_new(jreq, "target_realm", jstr);
221 jstr = json_string(req->comm->buf);
222 json_object_set_new(jreq, "community", jstr);
225 jstr = json_string(req->orig_coi->buf);
226 json_object_set_new(jreq, "orig_coi", jstr);
229 json_object_set_new(jreq, "dh_info", tr_msg_encode_dh(req->tidc_dh));
232 json_object_set(jreq, "constraints", (json_t *) req->cons);
235 json_object_set(jreq, "path", req->path);
236 if (req->expiration_interval)
237 json_object_set_new(jreq, "expiration_interval",
238 json_integer(req->expiration_interval));
243 static TID_REQ *tr_msg_decode_tidreq(json_t *jreq)
245 TID_REQ *treq = NULL;
246 json_t *jrp_realm = NULL;
247 json_t *jrealm = NULL;
248 json_t *jcomm = NULL;
249 json_t *jorig_coi = NULL;
251 json_t *jpath = NULL;
252 json_t *jexpire_interval = NULL;
254 if (!(treq =tid_req_new())) {
255 tr_crit("tr_msg_decode_tidreq(): Error allocating TID_REQ structure.");
259 /* store required fields from request */
260 if ((NULL == (jrp_realm = json_object_get(jreq, "rp_realm"))) ||
261 (NULL == (jrealm = json_object_get(jreq, "target_realm"))) ||
262 (NULL == (jcomm = json_object_get(jreq, "community")))) {
263 tr_notice("tr_msg_decode(): Error parsing required fields.");
268 jpath = json_object_get(jreq, "path");
269 jexpire_interval = json_object_get(jreq, "expiration_interval");
271 treq->rp_realm = tr_new_name((char *)json_string_value(jrp_realm));
272 treq->realm = tr_new_name((char *)json_string_value(jrealm));
273 treq->comm = tr_new_name((char *)json_string_value(jcomm));
275 /* Get DH Info from the request */
276 if (NULL == (jdh = json_object_get(jreq, "dh_info"))) {
277 tr_debug("tr_msg_decode(): Error parsing dh_info.");
281 treq->tidc_dh = tr_msg_decode_dh(jdh);
283 /* store optional "orig_coi" field */
284 if (NULL != (jorig_coi = json_object_get(jreq, "orig_coi"))) {
285 treq->orig_coi = tr_new_name((char *)json_string_value(jorig_coi));
288 treq->cons = (TR_CONSTRAINT_SET *) json_object_get(jreq, "constraints");
290 if (!tr_constraint_set_validate(treq->cons)) {
291 tr_debug("Constraint set validation failed");
295 json_incref((json_t *) treq->cons);
296 tid_req_cleanup_json(treq, (json_t *) treq->cons);
301 tid_req_cleanup_json(treq, jpath);
303 if (jexpire_interval)
304 treq->expiration_interval = json_integer_value(jexpire_interval);
309 static json_t *tr_msg_encode_one_server(TID_SRVR_BLK *srvr)
311 json_t *jsrvr = NULL;
313 gchar *time_str = g_time_val_to_iso8601(&srvr->key_expiration);
315 tr_debug("Encoding one server.");
317 jsrvr = json_object();
319 /* Server IP Address -- TBD handle IPv6 */
320 jstr = json_string(inet_ntoa(srvr->aaa_server_addr));
321 json_object_set_new(jsrvr, "server_addr", jstr);
323 json_object_set_new(jsrvr,
324 "key_expiration", json_string(time_str));
326 /* Server DH Block */
327 jstr = json_string(srvr->key_name->buf);
328 json_object_set_new(jsrvr, "key_name", jstr);
329 json_object_set_new(jsrvr, "server_dh", tr_msg_encode_dh(srvr->aaa_server_dh));
331 /* The path is owned by the srvr, so grab an extra ref*/
332 json_object_set(jsrvr, "path", srvr->path);
336 static int tr_msg_decode_one_server(json_t *jsrvr, TID_SRVR_BLK *srvr)
338 json_t *jsrvr_addr = NULL;
339 json_t *jsrvr_kn = NULL;
340 json_t *jsrvr_dh = NULL;
341 json_t *jsrvr_expire = NULL;
347 if ((NULL == (jsrvr_addr = json_object_get(jsrvr, "server_addr"))) ||
348 (NULL == (jsrvr_kn = json_object_get(jsrvr, "key_name"))) ||
349 (NULL == (jsrvr_dh = json_object_get(jsrvr, "server_dh")))) {
350 tr_notice("tr_msg_decode_one_server(): Error parsing required fields.");
354 /* TBD -- handle IPv6 Addresses */
355 inet_aton(json_string_value(jsrvr_addr), &(srvr->aaa_server_addr));
356 srvr->key_name = tr_new_name((char *)json_string_value(jsrvr_kn));
357 srvr->aaa_server_dh = tr_msg_decode_dh(jsrvr_dh);
358 srvr->path = json_object_get(jsrvr, "path");
359 jsrvr_expire = json_object_get(jsrvr, "key_expiration");
360 if (jsrvr_expire && json_is_string(jsrvr_expire)) {
361 if (!g_time_val_from_iso8601(json_string_value(jsrvr_expire),
362 &srvr->key_expiration))
363 tr_notice("Key expiration %s cannot be parsed", json_string_value(jsrvr_expire));
369 static json_t *tr_msg_encode_servers(TID_RESP *resp)
371 json_t *jservers = NULL;
372 json_t *jsrvr = NULL;
373 TID_SRVR_BLK *srvr = NULL;
376 jservers = json_array();
378 tid_resp_servers_foreach(resp, srvr, index) {
379 if ((NULL == (jsrvr = tr_msg_encode_one_server(srvr))) ||
380 (-1 == json_array_append_new(jservers, jsrvr))) {
385 // tr_debug("tr_msg_encode_servers(): servers contains:");
386 // tr_debug("%s", json_dumps(jservers, 0));
390 static TID_SRVR_BLK *tr_msg_decode_servers(void * ctx, json_t *jservers, size_t *out_len)
392 TID_SRVR_BLK *servers = NULL;
394 size_t i, num_servers;
396 num_servers = json_array_size(jservers);
397 tr_debug("tr_msg_decode_servers(): Number of servers = %u.", (unsigned) num_servers);
399 if (0 == num_servers) {
400 tr_debug("tr_msg_decode_servers(): Server array is empty.");
403 servers = talloc_zero_array(ctx, TID_SRVR_BLK, num_servers);
405 for (i = 0; i < num_servers; i++) {
406 jsrvr = json_array_get(jservers, i);
407 if (0 != tr_msg_decode_one_server(jsrvr, &servers[i])) {
408 talloc_free(servers);
414 *out_len = num_servers;
418 static json_t * tr_msg_encode_tidresp(TID_RESP *resp)
420 json_t *jresp = NULL;
422 json_t *jservers = NULL;
424 if ((!resp) || (!resp->rp_realm) || (!resp->realm) || !(resp->comm))
427 jresp = json_object();
429 if (TID_ERROR == resp->result) {
430 jstr = json_string("error");
431 json_object_set_new(jresp, "result", jstr);
433 jstr = json_string(resp->err_msg->buf);
434 json_object_set_new(jresp, "err_msg", jstr);
438 jstr = json_string("success");
439 json_object_set_new(jresp, "result", jstr);
442 jstr = json_string(resp->rp_realm->buf);
443 json_object_set_new(jresp, "rp_realm", jstr);
445 jstr = json_string(resp->realm->buf);
446 json_object_set_new(jresp, "target_realm", jstr);
448 jstr = json_string(resp->comm->buf);
449 json_object_set_new(jresp, "comm", jstr);
451 if (resp->orig_coi) {
452 jstr = json_string(resp->orig_coi->buf);
453 json_object_set_new(jresp, "orig_coi", jstr);
456 if (NULL == resp->servers) {
457 tr_debug("tr_msg_encode_tidresp(): No servers to encode.");
460 jservers = tr_msg_encode_servers(resp);
461 json_object_set_new(jresp, "servers", jservers);
463 if (resp->error_path)
464 json_object_set(jresp, "error_path", resp->error_path);
470 static TID_RESP *tr_msg_decode_tidresp(json_t *jresp)
472 TID_RESP *tresp = NULL;
473 json_t *jresult = NULL;
474 json_t *jrp_realm = NULL;
475 json_t *jrealm = NULL;
476 json_t *jcomm = NULL;
477 json_t *jorig_coi = NULL;
478 json_t *jservers = NULL;
479 json_t *jerr_msg = NULL;
481 if (!(tresp=tid_resp_new(NULL))) {
482 tr_crit("tr_msg_decode_tidresp(): Error allocating TID_RESP structure.");
487 /* store required fields from response */
488 if ((NULL == (jresult = json_object_get(jresp, "result"))) ||
489 (!json_is_string(jresult)) ||
490 (NULL == (jrp_realm = json_object_get(jresp, "rp_realm"))) ||
491 (!json_is_string(jrp_realm)) ||
492 (NULL == (jrealm = json_object_get(jresp, "target_realm"))) ||
493 (!json_is_string(jrealm)) ||
494 (NULL == (jcomm = json_object_get(jresp, "comm"))) ||
495 (!json_is_string(jcomm))) {
496 tr_debug("tr_msg_decode_tidresp(): Error parsing response.");
501 if (0 == (strcmp(json_string_value(jresult), "success"))) {
502 tr_debug("tr_msg_decode_tidresp(): Success! result = %s.", json_string_value(jresult));
503 if ((NULL != (jservers = json_object_get(jresp, "servers"))) ||
504 (!json_is_array(jservers))) {
505 tresp->servers = tr_msg_decode_servers(tresp, jservers, &tresp->num_servers);
511 tresp->result = TID_SUCCESS;
514 tresp->result = TID_ERROR;
515 tr_debug("tr_msg_decode_tidresp(): Error! result = %s.", json_string_value(jresult));
516 if ((NULL != (jerr_msg = json_object_get(jresp, "err_msg"))) ||
517 (!json_is_string(jerr_msg))) {
518 tresp->err_msg = tr_new_name((char *)json_string_value(jerr_msg));
522 tresp->rp_realm = tr_new_name((char *)json_string_value(jrp_realm));
523 tresp->realm = tr_new_name((char *)json_string_value(jrealm));
524 tresp->comm = tr_new_name((char *)json_string_value(jcomm));
526 /* store optional "orig_coi" field */
527 if ((NULL != (jorig_coi = json_object_get(jresp, "orig_coi"))) &&
528 (!json_is_object(jorig_coi))) {
529 tresp->orig_coi = tr_new_name((char *)json_string_value(jorig_coi));
536 /* Information records for TRP update msg
537 * requires that jrec already be allocated */
538 static TRP_RC tr_msg_encode_inforec_route(json_t *jrec, TRP_INFOREC *rec)
547 if (trp_inforec_get_trust_router(rec)==NULL)
550 s=tr_name_strdup(trp_inforec_get_trust_router(rec));
557 json_object_set_new(jrec, "trust_router", jstr);
559 jint=json_integer(trp_inforec_get_metric(rec));
562 json_object_set_new(jrec, "metric", jint);
564 jint=json_integer(trp_inforec_get_interval(rec));
567 json_object_set_new(jrec, "interval", jint);
572 static json_t *tr_msg_encode_inforec(TRP_INFOREC *rec)
577 if ((rec==NULL) || (trp_inforec_get_type(rec)==TRP_INFOREC_TYPE_UNKNOWN))
584 jstr=json_string(trp_inforec_type_to_string(trp_inforec_get_type(rec)));
589 json_object_set_new(jrec, "record_type", jstr);
592 case TRP_INFOREC_TYPE_ROUTE:
593 if (TRP_SUCCESS!=tr_msg_encode_inforec_route(jrec, rec)) {
605 /* decode a single record */
606 static TRP_INFOREC *tr_msg_decode_trp_inforec(TALLOC_CTX *mem_ctx, json_t *jrecord)
608 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
609 TRP_INFOREC_TYPE rectype;
610 TRP_INFOREC *rec=NULL;
615 if (0!=tr_msg_get_json_string(jrecord, "record_type", &s, tmp_ctx))
618 rectype=trp_inforec_type_from_string(s);
619 talloc_free(s); s=NULL;
621 rec=trp_inforec_new(tmp_ctx, rectype);
627 /* We only support route_info records for now*/
628 if (trp_inforec_get_type(rec)!=TRP_INFOREC_TYPE_ROUTE) {
633 tr_debug("tr_msg_decode_trp_inforec: '%s' record found.", trp_inforec_type_to_string(rec->type));
635 rc=tr_msg_get_json_string(jrecord, "trust_router", &s, tmp_ctx);
636 if (rc != TRP_SUCCESS)
638 if (TRP_SUCCESS!=trp_inforec_set_trust_router(rec, tr_new_name(s)))
640 talloc_free(s); s=NULL;
642 trp_inforec_set_next_hop(rec, NULL); /* make sure this is null (filled in later) */
644 rc=tr_msg_get_json_integer(jrecord, "metric", &num);
645 if ((rc != TRP_SUCCESS) || (TRP_SUCCESS!=trp_inforec_set_metric(rec,num)))
648 rc=tr_msg_get_json_integer(jrecord, "interval", &num);
649 if ((rc != TRP_SUCCESS) || (TRP_SUCCESS!=trp_inforec_set_interval(rec,num)))
652 talloc_steal(mem_ctx, rec);
656 if (rc != TRP_SUCCESS) {
657 trp_inforec_free(rec);
660 talloc_free(tmp_ctx);
665 static json_t *tr_msg_encode_trp_upd(TRP_UPD *update)
667 json_t *jupdate=NULL;
668 json_t *jrecords=NULL;
677 jupdate=json_object();
681 s=tr_name_strdup(trp_upd_get_comm(update));
683 json_decref(jupdate);
689 json_decref(jupdate);
692 json_object_set_new(jupdate, "community", jstr);
694 s=tr_name_strdup(trp_upd_get_realm(update));
696 json_decref(jupdate);
702 json_decref(jupdate);
705 json_object_set_new(jupdate, "realm", jstr);
707 jrecords=json_array();
708 if (jrecords==NULL) {
709 json_decref(jupdate);
712 json_object_set_new(jupdate, "records", jrecords); /* jrecords now a "borrowed" reference */
713 for (rec=trp_upd_get_inforec(update); rec!=NULL; rec=trp_inforec_get_next(rec)) {
714 tr_debug("tr_msg_encode_trp_upd: encoding inforec.");
715 jrec=tr_msg_encode_inforec(rec);
717 json_decref(jupdate); /* also decs jrecords and any elements */
720 if (0!=json_array_append_new(jrecords, jrec)) {
721 json_decref(jupdate); /* also decs jrecords and any elements */
722 json_decref(jrec); /* this one did not get added so dec explicitly */
730 /* Creates a linked list of records in the msg->body talloc context.
731 * An error will be returned if any unparseable records are encountered.
733 static TRP_UPD *tr_msg_decode_trp_upd(TALLOC_CTX *mem_ctx, json_t *jupdate)
735 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
736 json_t *jrecords=NULL;
738 TRP_UPD *update=NULL;
739 TRP_INFOREC *new_rec=NULL;
740 TRP_INFOREC *list_tail=NULL;
745 update=trp_upd_new(tmp_ctx);
751 rc=tr_msg_get_json_string(jupdate, "community", &s, tmp_ctx);
752 if (rc != TRP_SUCCESS) {
753 tr_debug("tr_msg_decode_trp_upd: no community in TRP update message.");
759 tr_debug("tr_msg_decode_trp_upd: could not allocate community name.");
763 talloc_free(s); s=NULL;
764 trp_upd_set_comm(update, name);
766 rc=tr_msg_get_json_string(jupdate, "realm", &s, tmp_ctx);
767 if (rc != TRP_SUCCESS) {
768 tr_debug("tr_msg_decode_trp_upd: no realm in TRP update message.");
774 tr_debug("tr_msg_decode_trp_upd: could not allocate realm name.");
778 talloc_free(s); s=NULL;
779 trp_upd_set_realm(update, name);
781 jrecords=json_object_get(jupdate, "records");
782 if ((jrecords==NULL) || (!json_is_array(jrecords))) {
787 tr_debug("tr_msg_decode_trp_upd: found %d records", json_array_size(jrecords));
788 /* process the array */
789 for (ii=0; ii<json_array_size(jrecords); ii++) {
790 new_rec=tr_msg_decode_trp_inforec(update, json_array_get(jrecords, ii));
797 trp_upd_set_inforec(update, new_rec); /* first is a special case */
799 trp_inforec_set_next(list_tail, new_rec);
804 /* Succeeded. Move new allocations into the correct talloc context */
805 talloc_steal(mem_ctx, update);
809 talloc_free(tmp_ctx);
815 static json_t *tr_msg_encode_trp_req(TRP_REQ *req)
828 if ((NULL==trp_req_get_comm(req))
829 || (NULL==trp_req_get_realm(req))) {
834 s=tr_name_strdup(trp_req_get_comm(req)); /* ensures null termination */
845 json_object_set_new(jbody, "community", jstr);
847 s=tr_name_strdup(trp_req_get_realm(req)); /* ensures null termination */
858 json_object_set_new(jbody, "realm", jstr);
863 static TRP_REQ *tr_msg_decode_trp_req(TALLOC_CTX *mem_ctx, json_t *jreq)
865 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
870 /* check message type and body type for agreement */
871 req=trp_req_new(tmp_ctx);
877 rc=tr_msg_get_json_string(jreq, "community", &s, tmp_ctx);
880 trp_req_set_comm(req, tr_new_name(s));
881 talloc_free(s); s=NULL;
883 rc=tr_msg_get_json_string(jreq, "realm", &s, tmp_ctx);
886 trp_req_set_realm(req, tr_new_name(s));
887 talloc_free(s); s=NULL;
890 talloc_steal(mem_ctx, req);
893 talloc_free(tmp_ctx);
899 char *tr_msg_encode(TR_MSG *msg)
902 json_t *jmsg_type=NULL;
904 TID_RESP *tidresp=NULL;
905 TID_REQ *tidreq=NULL;
906 TRP_UPD *trpupd=NULL;
907 TRP_REQ *trpreq=NULL;
909 /* TBD -- add error handling */
910 jmsg = json_object();
912 switch (msg->msg_type)
915 jmsg_type = json_string("tid_request");
916 json_object_set_new(jmsg, "msg_type", jmsg_type);
917 tidreq=tr_msg_get_req(msg);
918 json_object_set_new(jmsg, "msg_body", tr_msg_encode_tidreq(tidreq));
922 jmsg_type = json_string("tid_response");
923 json_object_set_new(jmsg, "msg_type", jmsg_type);
924 tidresp=tr_msg_get_resp(msg);
925 json_object_set_new(jmsg, "msg_body", tr_msg_encode_tidresp(tidresp));
929 jmsg_type = json_string("trp_update");
930 json_object_set_new(jmsg, "msg_type", jmsg_type);
931 trpupd=tr_msg_get_trp_upd(msg);
932 json_object_set_new(jmsg, "msg_body", tr_msg_encode_trp_upd(trpupd));
936 jmsg_type = json_string("trp_request");
937 json_object_set_new(jmsg, "msg_type", jmsg_type);
938 trpreq=tr_msg_get_trp_req(msg);
939 json_object_set_new(jmsg, "msg_body", tr_msg_encode_trp_req(trpreq));
947 encoded=json_dumps(jmsg, 0);
952 TR_MSG *tr_msg_decode(char *jbuf, size_t buflen)
959 const char *mtype = NULL;
961 if (NULL == (jmsg = json_loadb(jbuf, buflen, JSON_DISABLE_EOF_CHECK, &rc))) {
962 tr_debug("tr_msg_decode(): error loading object");
966 if (!(msg = malloc(sizeof(TR_MSG)))) {
967 tr_debug("tr_msg_decode(): Error allocating TR_MSG structure.");
972 memset(msg, 0, sizeof(TR_MSG));
974 if ((NULL == (jtype = json_object_get(jmsg, "msg_type"))) ||
975 (NULL == (jbody = json_object_get(jmsg, "msg_body")))) {
976 tr_debug("tr_msg_decode(): Error parsing message header.");
978 tr_msg_free_decoded(msg);
982 mtype = json_string_value(jtype);
984 if (0 == strcmp(mtype, "tid_request")) {
985 msg->msg_type = TID_REQUEST;
986 tr_msg_set_req(msg, tr_msg_decode_tidreq(jbody));
988 else if (0 == strcmp(mtype, "tid_response")) {
989 msg->msg_type = TID_RESPONSE;
990 tr_msg_set_resp(msg, tr_msg_decode_tidresp(jbody));
992 else if (0 == strcmp(mtype, "trp_update")) {
993 msg->msg_type = TRP_UPDATE;
994 tr_msg_set_trp_upd(msg, tr_msg_decode_trp_upd(NULL, jbody)); /* null talloc context for now */
996 else if (0 == strcmp(mtype, "trp_request")) {
997 msg->msg_type = TRP_UPDATE;
998 tr_msg_set_trp_req(msg, tr_msg_decode_trp_req(NULL, jbody)); /* null talloc context for now */
1001 msg->msg_type = TR_UNKNOWN;
1002 msg->msg_rep = NULL;
1007 void tr_msg_free_encoded(char *jmsg)
1013 void tr_msg_free_decoded(TR_MSG *msg)
1016 switch (msg->msg_type) {
1018 tid_req_free(tr_msg_get_req(msg));
1021 tid_resp_free(tr_msg_get_resp(msg));
1024 trp_upd_free(tr_msg_get_trp_upd(msg));
1027 trp_req_free(tr_msg_get_trp_req(msg));