2 * Copyright (c) 2012, 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.
16 * 3. Neither the name of JANET(UK) nor the names of its contributors
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
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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.
41 #include <tr_config.h>
44 #include <tr_filter.h>
45 #include <trust_router/tr_constraint.h>
47 void tr_print_config (FILE *stream, TR_CFG *cfg) {
48 fprintf(stream, "tr_print_config: Not yet implemented.");
52 TR_CFG *tr_cfg_new(TALLOC_CTX *mem_ctx)
54 return talloc_zero(mem_ctx, TR_CFG);
57 void tr_cfg_free (TR_CFG *cfg) {
61 TR_CFG_MGR *tr_cfg_mgr_new(TALLOC_CTX *mem_ctx)
63 return talloc_zero(mem_ctx, TR_CFG_MGR);
66 void tr_cfg_mgr_free (TR_CFG_MGR *cfg_mgr) {
70 TR_CFG_RC tr_apply_new_config (TR_CFG_MGR *cfg_mgr)
72 /* cfg_mgr->active is allowed to be null, but new cannot be */
73 if ((cfg_mgr==NULL) || (cfg_mgr->new==NULL))
74 return TR_CFG_BAD_PARAMS;
76 if (cfg_mgr->active != NULL)
77 tr_cfg_free(cfg_mgr->active);
79 cfg_mgr->active = cfg_mgr->new;
80 cfg_mgr->new=NULL; /* only keep a single handle on the new configuration */
82 tr_log_threshold(cfg_mgr->active->internal->log_threshold);
83 tr_console_threshold(cfg_mgr->active->internal->console_threshold);
85 return TR_CFG_SUCCESS;
88 static TR_CFG_RC tr_cfg_parse_internal (TR_CFG *trc, json_t *jcfg) {
91 json_t *jtidsp = NULL;
92 json_t *jtrpsp = NULL;
93 json_t *jhname = NULL;
95 json_t *jconthres = NULL;
96 json_t *jlogthres = NULL;
97 json_t *jcfgpoll = NULL;
98 json_t *jcfgsettle = NULL;
99 json_t *jroutesweep = NULL;
100 json_t *jrouteupdate = NULL;
101 json_t *jrouteconnect = NULL;
103 if ((!trc) || (!jcfg))
104 return TR_CFG_BAD_PARAMS;
106 if (NULL == trc->internal) {
107 if (NULL == (trc->internal = talloc_zero(trc, TR_CFG_INTERNAL)))
111 if (NULL != (jint = json_object_get(jcfg, "tr_internal"))) {
112 if (NULL != (jmtd = json_object_get(jint, "max_tree_depth"))) {
113 if (json_is_number(jmtd)) {
114 trc->internal->max_tree_depth = json_integer_value(jmtd);
116 tr_debug("tr_cfg_parse_internal: Parsing error, max_tree_depth is not a number.");
117 return TR_CFG_NOPARSE;
120 /* If not configured, use the default */
121 trc->internal->max_tree_depth = TR_DEFAULT_MAX_TREE_DEPTH;
123 if (NULL != (jtidsp = json_object_get(jint, "tids_port"))) {
124 if (json_is_number(jtidsp)) {
125 trc->internal->tids_port = json_integer_value(jtidsp);
127 tr_debug("tr_cfg_parse_internal: Parsing error, tids_port is not a number.");
128 return TR_CFG_NOPARSE;
131 /* If not configured, use the default */
132 trc->internal->tids_port = TR_DEFAULT_TIDS_PORT;
134 if (NULL != (jtrpsp = json_object_get(jint, "trps_port"))) {
135 if (json_is_number(jtrpsp)) {
136 trc->internal->trps_port = json_integer_value(jtrpsp);
138 tr_debug("tr_cfg_parse_internal: Parsing error, trps_port is not a number.");
139 return TR_CFG_NOPARSE;
142 /* If not configured, use the default */
143 trc->internal->trps_port = TR_DEFAULT_TRPS_PORT;
145 if (NULL != (jhname = json_object_get(jint, "hostname"))) {
146 if (json_is_string(jhname)) {
147 trc->internal->hostname = json_string_value(jhname);
149 tr_debug("tr_cfg_parse_internal: Parsing error, hostname is not a string.");
150 return TR_CFG_NOPARSE;
153 if (NULL != (jcfgpoll = json_object_get(jint, "cfg_poll_interval"))) {
154 if (json_is_number(jcfgpoll)) {
155 trc->internal->cfg_poll_interval = json_integer_value(jcfgpoll);
157 tr_debug("tr_cfg_parse_internal: Parsing error, cfg_poll_interval is not a number.");
158 return TR_CFG_NOPARSE;
161 if (NULL != (jcfgsettle = json_object_get(jint, "cfg_settle_count"))) {
162 if (json_is_number(jcfgsettle)) {
163 trc->internal->cfg_settle_count = json_integer_value(jcfgsettle);
165 tr_debug("tr_cfg_parse_internal: Parsing error, cfg_settle_count is not a number.");
166 return TR_CFG_NOPARSE;
170 if (NULL != (jrouteconnect = json_object_get(jint, "trp_connect_interval"))) {
171 if (json_is_number(jrouteconnect)) {
172 trc->internal->trp_connect_interval = json_integer_value(jrouteconnect);
174 tr_debug("tr_cfg_parse_internal: Parsing error, trp_connect_interval is not a number.");
175 return TR_CFG_NOPARSE;
178 /* if not configured, use the default */
179 trc->internal->trp_connect_interval=TR_DEFAULT_TRP_CONNECT_INTERVAL;
182 if (NULL != (jroutesweep = json_object_get(jint, "trp_sweep_interval"))) {
183 if (json_is_number(jroutesweep)) {
184 trc->internal->trp_sweep_interval = json_integer_value(jroutesweep);
186 tr_debug("tr_cfg_parse_internal: Parsing error, trp_sweep_interval is not a number.");
187 return TR_CFG_NOPARSE;
190 /* if not configured, use the default */
191 trc->internal->trp_sweep_interval=TR_DEFAULT_TRP_SWEEP_INTERVAL;
194 if (NULL != (jrouteupdate = json_object_get(jint, "trp_update_interval"))) {
195 if (json_is_number(jrouteupdate)) {
196 trc->internal->trp_update_interval = json_integer_value(jrouteupdate);
198 tr_debug("tr_cfg_parse_internal: Parsing error, trp_update_interval is not a number.");
199 return TR_CFG_NOPARSE;
202 /* if not configured, use the default */
203 trc->internal->trp_update_interval=TR_DEFAULT_TRP_UPDATE_INTERVAL;
206 if (NULL != (jlog = json_object_get(jint, "logging"))) {
207 if (NULL != (jlogthres = json_object_get(jlog, "log_threshold"))) {
208 if (json_is_string(jlogthres)) {
209 trc->internal->log_threshold = str2sev(json_string_value(jlogthres));
211 tr_debug("tr_cfg_parse_internal: Parsing error, log_threshold is not a string.");
212 return TR_CFG_NOPARSE;
215 /* If not configured, use the default */
216 trc->internal->log_threshold = TR_DEFAULT_LOG_THRESHOLD;
219 if (NULL != (jconthres = json_object_get(jlog, "console_threshold"))) {
220 if (json_is_string(jconthres)) {
221 trc->internal->console_threshold = str2sev(json_string_value(jconthres));
223 tr_debug("tr_cfg_parse_internal: Parsing error, console_threshold is not a string.");
224 return TR_CFG_NOPARSE;
227 /* If not configured, use the default */
228 trc->internal->console_threshold = TR_DEFAULT_CONSOLE_THRESHOLD;
231 /* If not configured, use the default */
232 trc->internal->console_threshold = TR_DEFAULT_CONSOLE_THRESHOLD;
233 trc->internal->log_threshold = TR_DEFAULT_LOG_THRESHOLD;
236 tr_debug("tr_cfg_parse_internal: Internal config parsed.");
237 return TR_CFG_SUCCESS;
239 return TR_CFG_SUCCESS;
242 static TR_CONSTRAINT *tr_cfg_parse_one_constraint (TR_CFG *trc, char *ctype, json_t *jc, TR_CFG_RC *rc)
247 if ((!trc) || (!ctype) || (!jc) || (!rc) ||
248 (!json_is_array(jc)) ||
249 (0 >= json_array_size(jc)) ||
250 (TR_MAX_CONST_MATCHES < json_array_size(jc)) ||
251 (!json_is_string(json_array_get(jc, 0)))) {
252 tr_debug("tr_cfg_parse_one_constraint: config error.");
253 *rc = TR_CFG_NOPARSE;
257 if (NULL == (cons = talloc_zero(trc, TR_CONSTRAINT))) {
258 tr_debug("tr_cfg_parse_one_constraint: Out of memory (cons).");
263 if (NULL == (cons->type = tr_new_name(ctype))) {
264 tr_debug("tr_cfg_parse_one_constraint: Out of memory (type).");
269 for (i = 0; i < json_array_size(jc); i++) {
270 cons->matches[i] = tr_new_name((char *)(json_string_value(json_array_get(jc, i))));
276 static TR_FILTER *tr_cfg_parse_one_filter (TR_CFG *trc, json_t *jfilt, TR_CFG_RC *rc)
278 TR_FILTER *filt = NULL;
279 json_t *jftype = NULL;
281 json_t *jfaction = NULL;
282 json_t *jfspecs = NULL;
283 json_t *jffield = NULL;
284 json_t *jfmatch = NULL;
289 if ((NULL == (jftype = json_object_get(jfilt, "type"))) ||
290 (!json_is_string(jftype))) {
291 tr_debug("tr_cfg_parse_one_filter: Error parsing filter type.");
292 *rc = TR_CFG_NOPARSE;
296 if ((NULL == (jfls = json_object_get(jfilt, "filter_lines"))) ||
297 (!json_is_array(jfls))) {
298 tr_debug("tr_cfg_parse_one_filter: Error parsing filter type.");
299 *rc = TR_CFG_NOPARSE;
303 if (TR_MAX_FILTER_LINES < json_array_size(jfls)) {
304 tr_debug("tr_cfg_parse_one_filter: Filter has too many filter_lines, maximimum of %d.", TR_MAX_FILTER_LINES);
305 *rc = TR_CFG_NOPARSE;
309 if (NULL == (filt = talloc_zero(trc, TR_FILTER))) {
310 tr_debug("tr_cfg_parse_one_filter: Out of memory.");
315 if (!strcmp(json_string_value(jftype), "rp_permitted")) {
316 filt->type = TR_FILTER_TYPE_RP_PERMITTED;
319 tr_debug("tr_cfg_parse_one_filter: Error parsing filter type, unknown type '%s'.", json_string_value(jftype));
320 *rc = TR_CFG_NOPARSE;
321 tr_filter_free(filt);
325 /* For each filter line... */
326 for (i = 0; i < json_array_size(jfls); i++) {
328 if ((NULL == (jfaction = json_object_get(json_array_get(jfls, i), "action"))) ||
329 (!json_is_string(jfaction))) {
330 tr_debug("tr_cfg_parse_one_filter: Error parsing filter action.");
331 *rc = TR_CFG_NOPARSE;
332 tr_filter_free(filt);
336 if ((NULL == (jfspecs = json_object_get(json_array_get(jfls, i), "filter_specs"))) ||
337 (!json_is_array(jfspecs)) ||
338 (0 == json_array_size(jfspecs))) {
339 tr_debug("tr_cfg_parse_one_filter: Error parsing filter specs.");
340 *rc = TR_CFG_NOPARSE;
341 tr_filter_free(filt);
345 if (TR_MAX_FILTER_SPECS < json_array_size(jfspecs)) {
346 tr_debug("tr_cfg_parse_one_filter: Filter has too many filter_specs, maximimum of %d.", TR_MAX_FILTER_SPECS);
347 *rc = TR_CFG_NOPARSE;
348 tr_filter_free(filt);
352 if (NULL == (filt->lines[i] = talloc_zero(trc, TR_FLINE))) {
353 tr_debug("tr_cfg_parse_one_filter: Out of memory (fline).");
355 tr_filter_free(filt);
359 if (!strcmp(json_string_value(jfaction), "accept")) {
360 filt->lines[i]->action = TR_FILTER_ACTION_ACCEPT;
362 else if (!strcmp(json_string_value(jfaction), "reject")) {
363 filt->lines[i]->action = TR_FILTER_ACTION_REJECT;
366 tr_debug("tr_cfg_parse_one_filter: Error parsing filter action, unknown action' %s'.", json_string_value(jfaction));
367 *rc = TR_CFG_NOPARSE;
368 tr_filter_free(filt);
372 if ((NULL != (jrc = json_object_get(json_array_get(jfls, i), "realm_constraints"))) &&
373 (json_is_array(jrc)) &&
374 (0 != json_array_size(jrc)) &&
375 (TR_MAX_CONST_MATCHES >= json_array_size(jrc))) {
377 if (NULL == (filt->lines[i]->realm_cons = tr_cfg_parse_one_constraint(trc, "realm", jrc, rc))) {
378 tr_debug("tr_cfg_parse_one_filter: Error parsing realm constraint");
379 tr_filter_free(filt);
384 if ((NULL != (jdc = json_object_get(json_array_get(jfls, i), "domain_constraints"))) &&
385 (json_is_array(jdc)) &&
386 (0 != json_array_size(jdc)) &&
387 (TR_MAX_CONST_MATCHES >= json_array_size(jdc))) {
389 if (NULL == (filt->lines[i]->domain_cons = tr_cfg_parse_one_constraint(trc, "domain", jdc, rc))) {
390 tr_debug("tr_cfg_parse_one_filter: Error parsing domain constraint");
391 tr_filter_free(filt);
396 /*For each filter spec within the filter line... */
397 for (j = 0; j <json_array_size(jfspecs); j++) {
399 if ((NULL == (jffield = json_object_get(json_array_get(jfspecs, j), "field"))) ||
400 (!json_is_string(jffield)) ||
401 (NULL == (jfmatch = json_object_get(json_array_get(jfspecs, j), "match"))) ||
402 (!json_is_string(jfmatch))) {
403 tr_debug("tr_cfg_parse_one_filter: Error parsing filter field and match for filter spec %d, filter line %d.", i, j);
404 *rc = TR_CFG_NOPARSE;
405 tr_filter_free(filt);
409 if (NULL == (filt->lines[i]->specs[j] = talloc_zero(trc, TR_FSPEC))) {
410 tr_debug("tr_cfg_parse_one_filter: Out of memory.");
412 tr_filter_free(filt);
416 if ((NULL == (filt->lines[i]->specs[j]->field = tr_new_name((char *)json_string_value(jffield)))) ||
417 (NULL == (filt->lines[i]->specs[j]->match = tr_new_name((char *)json_string_value(jfmatch))))) {
418 tr_debug("tr_cfg_parse_one_filter: Out of memory.");
420 tr_filter_free(filt);
429 static TR_RP_CLIENT *tr_cfg_parse_one_rp_client (TR_CFG *trc, json_t *jrp, TR_CFG_RC *rc)
431 TR_RP_CLIENT *rp = NULL;
433 json_t *jfilt = NULL;
434 json_t *jftype = NULL;
437 if ((!trc) || (!jrp) || (!rc)) {
438 tr_debug("tr_cfg_parse_one_rp_realm: Bad parameters.");
440 *rc = TR_CFG_BAD_PARAMS;
444 if ((NULL == (jgns = json_object_get(jrp, "gss_names"))) ||
445 (!json_is_array(jgns))) {
446 tr_debug("tr_cfg_parse_one_rp_client: Error parsing RP client configuration, no GSS names.");
447 *rc = TR_CFG_NOPARSE;
451 /* TBD -- Support more than one filter per RP client? */
452 if (NULL == (jfilt = json_object_get(jrp, "filter"))) {
453 tr_debug("tr_cfg_parse_one_rp_client: Error parsing RP client configuration, no filter.");
454 *rc = TR_CFG_NOPARSE;
458 /* We only support rp_permitted filters for RP clients */
459 if ((NULL == (jftype = json_object_get(jfilt, "type"))) ||
460 (!json_is_string(jftype)) ||
461 (strcmp(json_string_value(jftype), "rp_permitted"))) {
462 tr_debug("tr_cfg_parse_one_rp_client: Error parsing RP client filter type.");
463 *rc = TR_CFG_NOPARSE;
467 if (TR_MAX_GSS_NAMES < json_array_size(jgns)) {
468 tr_debug("tr_cfg_parse_one_rp_client: RP Client has too many GSS Names.");
469 *rc = TR_CFG_NOPARSE;
473 if (NULL == (rp = talloc_zero(trc, TR_RP_CLIENT))) {
474 tr_debug("tr_cfg_parse_one_rp_realm: Out of memory.");
479 /* TBD -- support more than one filter entry per RP Client? */
480 if (NULL == (rp->filter = tr_cfg_parse_one_filter(trc, jfilt, rc))) {
481 tr_debug("tr_cfg_parse_one_rp_client: Error parsing filter.");
482 *rc = TR_CFG_NOPARSE;
486 for (i = 0; i < json_array_size(jgns); i++) {
487 if (NULL == (rp->gss_names[i] = tr_new_name ((char *)json_string_value(json_array_get(jgns, i))))) {
488 tr_debug("tr_cfg_parse_one_rp_client: No memory for GSS Name.");
497 static TR_CFG_RC tr_cfg_parse_rp_clients (TR_CFG *trc, json_t *jcfg) {
499 TR_RP_CLIENT *rp = NULL;
500 TR_CFG_RC rc = TR_CFG_SUCCESS;
503 if ((!trc) || (!jcfg))
504 return TR_CFG_BAD_PARAMS;
506 if (NULL != (jrps = json_object_get(jcfg, "rp_clients"))) {
508 if (!json_is_array(jrps)) {
509 return TR_CFG_NOPARSE;
512 for (i = 0; i < json_array_size(jrps); i++) {
513 if (NULL == (rp = tr_cfg_parse_one_rp_client(trc,
514 json_array_get(jrps, i),
518 tr_debug("tr_cfg_parse_rp_clients: RP client configured -- first gss: %s", rp->gss_names[0]->buf);
519 rp->next = trc->rp_clients;
520 trc->rp_clients = rp;
523 tr_debug("tr_cfg_parse_rp_clients: Finished (rc=%d)", rc);
527 static TR_AAA_SERVER *tr_cfg_parse_one_aaa_server (TR_CFG *trc, json_t *jaddr, TR_CFG_RC *rc) {
528 TR_AAA_SERVER *aaa = NULL;
530 if ((!trc) || (!jaddr) || (!json_is_string(jaddr))) {
531 tr_debug("tr_cfg_parse_one_aaa_server: Bad parameters.");
532 *rc = TR_CFG_BAD_PARAMS;
536 if (NULL == (aaa = talloc_zero(trc, TR_AAA_SERVER))) {
537 tr_debug("tr_cfg_parse_one_aaa_server: Out of memory.");
542 aaa->hostname = tr_new_name((char *)(json_string_value(jaddr)));
547 static TR_AAA_SERVER *tr_cfg_parse_aaa_servers (TR_CFG *trc, json_t *jaaas, TR_CFG_RC *rc)
549 TR_AAA_SERVER *aaa = NULL;
550 TR_AAA_SERVER *temp_aaa = NULL;
553 for (i = 0; i < json_array_size(jaaas); i++) {
554 if (NULL == (temp_aaa = tr_cfg_parse_one_aaa_server(trc, json_array_get(jaaas, i), rc))) {
557 /* TBD -- IPv6 addresses */
558 // tr_debug("tr_cfg_parse_aaa_servers: Configuring AAA Server: ip_addr = %s.", inet_ntoa(temp_aaa->aaa_server_addr));
559 temp_aaa->next = aaa;
562 tr_debug("tr_cfg_parse_aaa_servers: Finished (rc=%d)", *rc);
566 static TR_APC *tr_cfg_parse_apcs (TR_CFG *trc, json_t *japcs, TR_CFG_RC *rc)
570 *rc = TR_CFG_SUCCESS; /* presume success */
572 if ((!trc) || (!japcs) || (!rc)) {
573 tr_debug("tr_cfg_parse_apcs: Bad parameters.");
575 *rc = TR_CFG_BAD_PARAMS;
579 if (NULL == (apc = talloc_zero(trc, TR_APC))) {
580 tr_debug("tr_cfg_parse_apcs: Out of memory.");
585 /* TBD, deal with more than one APC. In the meantime, though... */
586 /* Only parse the first APC, because we only know how to deal with one, anyway. */
587 if (0 == json_array_size(japcs))
590 if (NULL == (apc->id = tr_new_name((char *)json_string_value(json_array_get(japcs, 0))))) {
591 tr_debug("tr_cfg_parse_apcs: No memory for APC name.");
596 tr_debug("tr_cfg_parse_apcs: Finished (rc=%d)", *rc);
600 static TR_IDP_REALM *tr_cfg_parse_one_idp_realm (TR_CFG *trc, json_t *jidp, TR_CFG_RC *rc) {
601 TR_IDP_REALM *idp = NULL;
603 json_t *jscfg = NULL;
604 json_t *jsrvrs = NULL;
605 json_t *japcs = NULL;
607 if ((!trc) || (!jidp) || (!rc)) {
608 tr_debug("tr_cfg_parse_one_idp_realm: Bad parameters.");
610 *rc = TR_CFG_BAD_PARAMS;
614 if (NULL == (idp = talloc_zero(trc, TR_IDP_REALM))) {
615 tr_debug("tr_cfg_parse_one_idp_realm: Out of memory.");
620 if ((NULL == (jrid = json_object_get(jidp, "realm_id"))) ||
621 (!json_is_string(jrid)) ||
622 (NULL == (jscfg = json_object_get(jidp, "shared_config"))) ||
623 (!json_is_string(jscfg)) ||
624 (NULL == (jsrvrs = json_object_get(jidp, "aaa_servers"))) ||
625 (!json_is_array(jsrvrs))) {
626 tr_debug("tr_cfg_parse_one_idp_realm: Error parsing IDP realm configuration.");
627 *rc = TR_CFG_NOPARSE;
631 if (0 == strcmp(json_string_value(jscfg), "no")) {
632 idp->shared_config = 0;
634 idp->shared_config = 1;
637 if (NULL == (idp->realm_id = tr_new_name((char *)json_string_value(jrid)))) {
638 tr_debug("tr_cfg_parse_one_idp_realm: No memory for realm id.");
643 if (NULL == (idp->aaa_servers = tr_cfg_parse_aaa_servers(trc, jsrvrs, rc))) {
644 tr_debug("tr_cfg_parse_one_idp_realm: Can't parse AAA servers for realm %s.", idp->realm_id->buf);
645 tr_free_name(idp->realm_id);
649 if ((NULL != (japcs = json_object_get(jidp, "apcs"))) &&
650 (json_is_array(japcs))) {
651 if (NULL == (idp->apcs = tr_cfg_parse_apcs(trc, japcs, rc))) {
652 tr_debug("tr_cfg_parse_one_idp_realm: Can't parse APCs for realm %s .", idp->realm_id->buf);
653 tr_free_name(idp->realm_id);
654 /* TBD -- free aaa_servers */;
661 static TR_CFG_RC tr_cfg_parse_default_servers (TR_CFG *trc, json_t *jcfg)
664 TR_CFG_RC rc = TR_CFG_SUCCESS;
665 TR_AAA_SERVER *ds = NULL;
668 if ((!trc) || (!jcfg))
669 return TR_CFG_BAD_PARAMS;
671 /* If there are default servers, store them */
672 if ((NULL != (jdss = json_object_get(jcfg, "default_servers"))) &&
673 (json_is_array(jdss)) &&
674 (0 < json_array_size(jdss))) {
676 for (i = 0; i < json_array_size(jdss); i++) {
677 if (NULL == (ds = tr_cfg_parse_one_aaa_server(trc,
678 json_array_get(jdss, i),
682 tr_debug("tr_cfg_parse_default_servers: Default server configured: %s", ds->hostname->buf);
683 ds->next = trc->default_servers;
684 trc->default_servers = ds;
688 tr_debug("tr_cfg_parse_default_servers: Finished (rc=%d)", rc);
692 static TR_CFG_RC tr_cfg_parse_idp_realms (TR_CFG *trc, json_t *jcfg)
694 json_t *jidps = NULL;
695 TR_CFG_RC rc = TR_CFG_SUCCESS;
696 TR_IDP_REALM *idp = NULL;
699 if ((!trc) || (!jcfg))
700 return TR_CFG_BAD_PARAMS;
702 /* If there are any IDP Realms, parse them */
703 if ((NULL != (jidps = json_object_get(jcfg, "idp_realms"))) &&
704 (json_is_array(jidps))) {
705 for (i = 0; i < json_array_size(jidps); i++) {
706 if (NULL == (idp = tr_cfg_parse_one_idp_realm(trc,
707 json_array_get(jidps, i),
711 tr_debug("tr_cfg_parse_idp_realms: IDP realm configured: %s.", idp->realm_id->buf);
712 idp->next = trc->idp_realms;
713 trc->idp_realms = idp;
717 tr_debug("tr_cfg_parse_idp_realms: Finished (rc=%d)", rc);
721 static TR_IDP_REALM *tr_cfg_parse_comm_idps (TR_CFG *trc, json_t *jidps, TR_CFG_RC *rc)
723 TR_IDP_REALM *idp = NULL;
724 TR_IDP_REALM *temp_idp = NULL;
729 (!json_is_array(jidps))) {
731 *rc = TR_CFG_BAD_PARAMS;
735 for (i = 0; i < json_array_size(jidps); i++) {
736 if (NULL == (temp_idp = (tr_cfg_find_idp(trc,
737 tr_new_name((char *)json_string_value(json_array_get(jidps, i))),
739 tr_debug("tr_cfg_parse_comm_idps: Unknown IDP %s.",
740 (char *)json_string_value(json_array_get(jidps, i)));
744 temp_idp->comm_next = idp;
751 static TR_RP_REALM *tr_cfg_parse_comm_rps (TR_CFG *trc, json_t *jrps, TR_CFG_RC *rc)
753 TR_RP_REALM *rp = NULL;
754 TR_RP_REALM *temp_rp = NULL;
759 (!json_is_array(jrps))) {
761 *rc = TR_CFG_BAD_PARAMS;
765 for (i = (json_array_size(jrps)-1); i >= 0; i--) {
766 if (NULL == (temp_rp = talloc_zero(trc, TR_RP_REALM))) {
767 tr_debug("tr_cfg_parse_comm_rps: Can't allocate memory for RP Realm.");
773 if (NULL == (temp_rp->realm_name = tr_new_name((char *)json_string_value(json_array_get(jrps, i))))) {
774 tr_debug("tr_cfg_parse_comm_rps: No memory for RP Realm Name.");
787 static TR_COMM *tr_cfg_parse_one_comm (TR_CFG *trc, json_t *jcomm, TR_CFG_RC *rc) {
788 TR_COMM *comm = NULL;
790 json_t *jtype = NULL;
791 json_t *japcs = NULL;
792 json_t *jidps = NULL;
795 if ((!trc) || (!jcomm) || (!rc)) {
796 tr_debug("tr_cfg_parse_one_comm: Bad parameters.");
798 *rc = TR_CFG_BAD_PARAMS;
802 if (NULL == (comm = talloc_zero(trc, TR_COMM))) {
803 tr_crit("tr_cfg_parse_one_comm: Out of memory.");
809 if ((NULL == (jid = json_object_get(jcomm, "community_id"))) ||
810 (!json_is_string(jid)) ||
811 (NULL == (jtype = json_object_get(jcomm, "type"))) ||
812 (!json_is_string(jtype)) ||
813 (NULL == (japcs = json_object_get(jcomm, "apcs"))) ||
814 (!json_is_array(japcs)) ||
815 (NULL == (jidps = json_object_get(jcomm, "idp_realms"))) ||
816 (!json_is_array(jidps)) ||
817 (NULL == (jrps = json_object_get(jcomm, "rp_realms"))) ||
818 (!json_is_array(jrps))) {
819 tr_debug("tr_cfg_parse_one_comm: Error parsing Communities configuration.");
820 *rc = TR_CFG_NOPARSE;
824 if (NULL == (comm->id = tr_new_name((char *)json_string_value(jid)))) {
825 tr_debug("tr_cfg_parse_one_comm: No memory for community id.");
830 if (0 == strcmp(json_string_value(jtype), "apc")) {
831 comm->type = TR_COMM_APC;
832 } else if (0 == strcmp(json_string_value(jtype), "coi")) {
833 comm->type = TR_COMM_COI;
834 if (NULL == (comm->apcs = tr_cfg_parse_apcs(trc, japcs, rc))) {
835 tr_debug("tr_cfg_parse_one_comm: Can't parse APCs for COI %s.", comm->id->buf);
836 tr_free_name(comm->id);
840 tr_debug("tr_cfg_parse_one_comm: Invalid community type, comm = %s, type = %s", comm->id->buf, json_string_value(jtype));
841 tr_free_name(comm->id);
842 *rc = TR_CFG_NOPARSE;
846 comm->idp_realms = tr_cfg_parse_comm_idps(trc, jidps, rc);
847 if (TR_CFG_SUCCESS != *rc) {
848 tr_debug("tr_cfg_parse_one_comm: Can't parse IDP realms for comm %s.", comm->id->buf);
849 tr_free_name(comm->id);
853 comm->rp_realms = tr_cfg_parse_comm_rps(trc, jrps, rc);
854 if (TR_CFG_SUCCESS != *rc) {
855 tr_debug("tr_cfg_parse_comm: Can't parse RP realms for comm %s .", comm->id->buf);
856 tr_free_name(comm->id);
860 if (TR_COMM_APC == comm->type) {
861 json_t *jexpire = json_object_get(jcomm, "expiration_interval");
862 comm->expiration_interval = 43200; /*30 days*/
864 if (!json_is_integer(jexpire)) {
865 fprintf(stderr, "tr_parse_comm: expirae_interval is not an integer\n");
868 comm->expiration_interval = json_integer_value(jexpire);
869 if (comm->expiration_interval <= 10)
870 comm->expiration_interval = 11; /* Freeradius waits 10 minutes between successful TR queries*/
871 if (comm->expiration_interval > 129600) /* 90 days*/
872 comm->expiration_interval = 129600;
879 static TR_CFG_RC tr_cfg_parse_comms (TR_CFG *trc, json_t *jcfg)
881 json_t *jcomms = NULL;
882 TR_CFG_RC rc = TR_CFG_SUCCESS;
883 TR_COMM *comm = NULL;
886 if ((!trc) || (!jcfg)) {
887 tr_debug("tr_cfg_parse_comms: Bad Parameters.");
888 return TR_CFG_BAD_PARAMS;
891 if (NULL != (jcomms = json_object_get(jcfg, "communities"))) {
892 if (!json_is_array(jcomms)) {
893 return TR_CFG_NOPARSE;
896 for (i = 0; i < json_array_size(jcomms); i++) {
897 if (NULL == (comm = tr_cfg_parse_one_comm(trc,
898 json_array_get(jcomms, i),
902 tr_debug("tr_cfg_parse_comms: Community configured: %s.", comm->id->buf);
903 comm->next = trc->comms;
907 tr_debug("tr_cfg_parse_comms: Finished (rc=%d)", rc);
911 TR_CFG_RC tr_cfg_validate (TR_CFG *trc) {
912 TR_CFG_RC rc = TR_CFG_SUCCESS;
915 return TR_CFG_BAD_PARAMS;
917 if ((NULL == trc->internal)||
918 (NULL == trc->internal->hostname)) {
919 tr_debug("tr_cfg_validate: Error: No internal configuration, or no hostname.");
923 if (NULL == trc->rp_clients) {
924 tr_debug("tr_cfg_validate: Error: No RP Clients configured");
928 if (NULL == trc->comms) {
929 tr_debug("tr_cfg_validate: Error: No Communities configured");
933 if ((NULL == trc->default_servers) && (NULL == trc->idp_realms)) {
934 tr_debug("tr_cfg_validate: Error: No default servers or IDPs configured.");
941 /* Join two paths and return a pointer to the result. This should be freed
942 * via talloc_free. Returns NULL on failure. */
943 static char *join_paths(TALLOC_CTX *mem_ctx, const char *p1, const char *p2) {
944 return talloc_asprintf(mem_ctx, "%s/%s", p1, p2); /* returns NULL on a failure */
947 /* Reads configuration files in config_dir ("" or "./" will use the current directory). */
948 TR_CFG_RC tr_parse_config (TR_CFG_MGR *cfg_mgr, const char *config_dir, int n, struct dirent **cfg_files)
950 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
953 char *file_with_path;
955 TR_CFG_RC cfg_rc=TR_CFG_ERROR;
957 if ((!cfg_mgr) || (!cfg_files) || (n<=0)) {
958 cfg_rc=TR_CFG_BAD_PARAMS;
962 if (cfg_mgr->new != NULL)
963 tr_cfg_free(cfg_mgr->new);
964 cfg_mgr->new=tr_cfg_new(tmp_ctx); /* belongs to the temporary context for now */
965 if (cfg_mgr->new == NULL) {
970 /* Parse configuration information from each config file */
971 for (ii=0; ii<n; ii++) {
972 file_with_path=join_paths(tmp_ctx, config_dir, cfg_files[ii]->d_name); /* must free result with talloc_free */
973 if(file_with_path == NULL) {
974 tr_crit("tr_parse_config: error joining path.");
978 tr_debug("tr_parse_config: Parsing %s.", cfg_files[ii]->d_name); /* print the filename without the path */
979 if (NULL == (jcfg = json_load_file(file_with_path,
980 JSON_DISABLE_EOF_CHECK, &rc))) {
981 tr_debug("tr_parse_config: Error parsing config file %s.",
982 cfg_files[ii]->d_name);
983 cfg_rc=TR_CFG_NOPARSE;
987 if ((TR_CFG_SUCCESS != tr_cfg_parse_internal(cfg_mgr->new, jcfg)) ||
988 (TR_CFG_SUCCESS != tr_cfg_parse_rp_clients(cfg_mgr->new, jcfg)) ||
989 (TR_CFG_SUCCESS != tr_cfg_parse_idp_realms(cfg_mgr->new, jcfg)) ||
990 (TR_CFG_SUCCESS != tr_cfg_parse_default_servers(cfg_mgr->new, jcfg)) ||
991 (TR_CFG_SUCCESS != tr_cfg_parse_comms(cfg_mgr->new, jcfg))) {
997 /* make sure we got a complete, consistent configuration */
998 if (TR_CFG_SUCCESS != tr_cfg_validate(cfg_mgr->new)) {
999 tr_err("tr_parse_config: Error: INVALID CONFIGURATION");
1000 cfg_rc=TR_CFG_ERROR;
1005 talloc_steal(cfg_mgr, cfg_mgr->new); /* hand this over to the cfg_mgr context */
1006 cfg_rc=TR_CFG_SUCCESS;
1009 talloc_free(tmp_ctx);
1013 TR_IDP_REALM *tr_cfg_find_idp (TR_CFG *tr_cfg, TR_NAME *idp_id, TR_CFG_RC *rc)
1016 TR_IDP_REALM *cfg_idp;
1018 if ((!tr_cfg) || (!idp_id)) {
1020 *rc = TR_CFG_BAD_PARAMS;
1024 for (cfg_idp = tr_cfg->idp_realms; NULL != cfg_idp; cfg_idp = cfg_idp->next) {
1025 if (!tr_name_cmp (idp_id, cfg_idp->realm_id)) {
1026 tr_debug("tr_cfg_find_idp: Found %s.", idp_id->buf);
1030 /* if we didn't find one, return NULL */
1034 TR_RP_CLIENT *tr_cfg_find_rp (TR_CFG *tr_cfg, TR_NAME *rp_gss, TR_CFG_RC *rc)
1036 TR_RP_CLIENT *cfg_rp;
1039 if ((!tr_cfg) || (!rp_gss)) {
1041 *rc = TR_CFG_BAD_PARAMS;
1045 for (cfg_rp = tr_cfg->rp_clients; NULL != cfg_rp; cfg_rp = cfg_rp->next) {
1046 for (i = 0; i < TR_MAX_GSS_NAMES; i++) {
1047 if (!tr_name_cmp (rp_gss, cfg_rp->gss_names[i])) {
1048 tr_debug("tr_cfg_find_rp: Found %s.", rp_gss->buf);
1053 /* if we didn't find one, return NULL */
1057 static int is_cfg_file(const struct dirent *dent) {
1060 /* Only accept filenames ending in ".cfg" and starting with a character
1061 * other than an ASCII '.' */
1063 /* filename must be at least 4 characters long to be acceptable */
1064 n=strlen(dent->d_name);
1069 /* filename must not start with '.' */
1070 if ('.' == dent->d_name[0]) {
1074 /* If the above passed and the last four characters of the filename are .cfg, accept.
1075 * (n.b., assumes an earlier test checked that the name is >= 4 chars long.) */
1076 if (0 == strcmp(&(dent->d_name[n-4]), ".cfg")) {
1080 /* otherwise, return false. */
1084 /* Find configuration files in a particular directory. Returns the
1085 * number of entries found, 0 if none are found, or <0 for some
1086 * errors. If n>=0, the cfg_files parameter will contain a newly
1087 * allocated array of pointers to struct dirent entries, as returned
1088 * by scandir(). These can be freed with tr_free_config_file_list().
1090 int tr_find_config_files (const char *config_dir, struct dirent ***cfg_files) {
1093 n = scandir(config_dir, cfg_files, is_cfg_file, alphasort);
1097 tr_debug("tr_find_config: scandir error trying to scan %s.", config_dir);
1103 /* Free memory allocated for configuration file list returned from tr_find_config_files().
1104 * This can be called regardless of the return value of tr_find_config_values(). */
1105 void tr_free_config_file_list(int n, struct dirent ***cfg_files) {
1108 /* if n < 0, then scandir did not allocate anything because it failed */
1109 if((n>=0) && (*cfg_files != NULL)) {
1110 for(ii=0; ii<n; ii++) {
1111 free((*cfg_files)[ii]);
1113 free(*cfg_files); /* safe even if n==0 */
1114 *cfg_files=NULL; /* this will help prevent accidentally freeing twice */