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.
12 * 2. Redistributions in binary form must reproduce the above copyright
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
24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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;
100 if ((!trc) || (!jcfg))
101 return TR_CFG_BAD_PARAMS;
103 if (NULL == trc->internal) {
104 if (NULL == (trc->internal = talloc_zero(trc, TR_CFG_INTERNAL)))
108 if (NULL != (jint = json_object_get(jcfg, "tr_internal"))) {
109 if (NULL != (jmtd = json_object_get(jint, "max_tree_depth"))) {
110 if (json_is_number(jmtd)) {
111 trc->internal->max_tree_depth = json_integer_value(jmtd);
113 tr_debug("tr_cfg_parse_internal: Parsing error, max_tree_depth is not a number.");
114 return TR_CFG_NOPARSE;
117 /* If not configured, use the default */
118 trc->internal->max_tree_depth = TR_DEFAULT_MAX_TREE_DEPTH;
120 if (NULL != (jtidsp = json_object_get(jint, "tids_port"))) {
121 if (json_is_number(jtidsp)) {
122 trc->internal->tids_port = json_integer_value(jtidsp);
124 tr_debug("tr_cfg_parse_internal: Parsing error, tids_port is not a number.");
125 return TR_CFG_NOPARSE;
128 /* If not configured, use the default */
129 trc->internal->tids_port = TR_DEFAULT_TIDS_PORT;
131 if (NULL != (jtrpsp = json_object_get(jint, "trps_port"))) {
132 if (json_is_number(jtrpsp)) {
133 trc->internal->trps_port = json_integer_value(jtrpsp);
135 tr_debug("tr_cfg_parse_internal: Parsing error, trps_port is not a number.");
136 return TR_CFG_NOPARSE;
139 /* If not configured, use the default */
140 trc->internal->trps_port = TR_DEFAULT_TRPS_PORT;
142 if (NULL != (jhname = json_object_get(jint, "hostname"))) {
143 if (json_is_string(jhname)) {
144 trc->internal->hostname = json_string_value(jhname);
146 tr_debug("tr_cfg_parse_internal: Parsing error, hostname is not a string.");
147 return TR_CFG_NOPARSE;
150 if (NULL != (jcfgpoll = json_object_get(jint, "cfg_poll_interval"))) {
151 if (json_is_number(jcfgpoll)) {
152 trc->internal->cfg_poll_interval = json_integer_value(jcfgpoll);
154 tr_debug("tr_cfg_parse_internal: Parsing error, cfg_poll_interval is not a number.");
155 return TR_CFG_NOPARSE;
158 if (NULL != (jcfgsettle = json_object_get(jint, "cfg_settle_count"))) {
159 if (json_is_number(jcfgsettle)) {
160 trc->internal->cfg_settle_count = json_integer_value(jcfgsettle);
162 tr_debug("tr_cfg_parse_internal: Parsing error, cfg_settle_count is not a number.");
163 return TR_CFG_NOPARSE;
167 if (NULL != (jlog = json_object_get(jint, "logging"))) {
168 if (NULL != (jlogthres = json_object_get(jlog, "log_threshold"))) {
169 if (json_is_string(jlogthres)) {
170 trc->internal->log_threshold = str2sev(json_string_value(jlogthres));
172 tr_debug("tr_cfg_parse_internal: Parsing error, log_threshold is not a string.");
173 return TR_CFG_NOPARSE;
176 /* If not configured, use the default */
177 trc->internal->log_threshold = TR_DEFAULT_LOG_THRESHOLD;
180 if (NULL != (jconthres = json_object_get(jlog, "console_threshold"))) {
181 if (json_is_string(jconthres)) {
182 trc->internal->console_threshold = str2sev(json_string_value(jconthres));
184 tr_debug("tr_cfg_parse_internal: Parsing error, console_threshold is not a string.");
185 return TR_CFG_NOPARSE;
188 /* If not configured, use the default */
189 trc->internal->console_threshold = TR_DEFAULT_CONSOLE_THRESHOLD;
192 /* If not configured, use the default */
193 trc->internal->console_threshold = TR_DEFAULT_CONSOLE_THRESHOLD;
194 trc->internal->log_threshold = TR_DEFAULT_LOG_THRESHOLD;
197 tr_debug("tr_cfg_parse_internal: Internal config parsed.");
198 return TR_CFG_SUCCESS;
200 return TR_CFG_SUCCESS;
203 static TR_CONSTRAINT *tr_cfg_parse_one_constraint (TR_CFG *trc, char *ctype, json_t *jc, TR_CFG_RC *rc)
208 if ((!trc) || (!ctype) || (!jc) || (!rc) ||
209 (!json_is_array(jc)) ||
210 (0 >= json_array_size(jc)) ||
211 (TR_MAX_CONST_MATCHES < json_array_size(jc)) ||
212 (!json_is_string(json_array_get(jc, 0)))) {
213 tr_debug("tr_cfg_parse_one_constraint: config error.");
214 *rc = TR_CFG_NOPARSE;
218 if (NULL == (cons = talloc_zero(trc, TR_CONSTRAINT))) {
219 tr_debug("tr_cfg_parse_one_constraint: Out of memory (cons).");
224 if (NULL == (cons->type = tr_new_name(ctype))) {
225 tr_debug("tr_cfg_parse_one_constraint: Out of memory (type).");
230 for (i = 0; i < json_array_size(jc); i++) {
231 cons->matches[i] = tr_new_name((char *)(json_string_value(json_array_get(jc, i))));
237 static TR_FILTER *tr_cfg_parse_one_filter (TR_CFG *trc, json_t *jfilt, TR_CFG_RC *rc)
239 TR_FILTER *filt = NULL;
240 json_t *jftype = NULL;
242 json_t *jfaction = NULL;
243 json_t *jfspecs = NULL;
244 json_t *jffield = NULL;
245 json_t *jfmatch = NULL;
250 if ((NULL == (jftype = json_object_get(jfilt, "type"))) ||
251 (!json_is_string(jftype))) {
252 tr_debug("tr_cfg_parse_one_filter: Error parsing filter type.");
253 *rc = TR_CFG_NOPARSE;
257 if ((NULL == (jfls = json_object_get(jfilt, "filter_lines"))) ||
258 (!json_is_array(jfls))) {
259 tr_debug("tr_cfg_parse_one_filter: Error parsing filter type.");
260 *rc = TR_CFG_NOPARSE;
264 if (TR_MAX_FILTER_LINES < json_array_size(jfls)) {
265 tr_debug("tr_cfg_parse_one_filter: Filter has too many filter_lines, maximimum of %d.", TR_MAX_FILTER_LINES);
266 *rc = TR_CFG_NOPARSE;
270 if (NULL == (filt = talloc_zero(trc, TR_FILTER))) {
271 tr_debug("tr_cfg_parse_one_filter: Out of memory.");
276 if (!strcmp(json_string_value(jftype), "rp_permitted")) {
277 filt->type = TR_FILTER_TYPE_RP_PERMITTED;
280 tr_debug("tr_cfg_parse_one_filter: Error parsing filter type, unknown type '%s'.", json_string_value(jftype));
281 *rc = TR_CFG_NOPARSE;
282 tr_filter_free(filt);
286 /* For each filter line... */
287 for (i = 0; i < json_array_size(jfls); i++) {
289 if ((NULL == (jfaction = json_object_get(json_array_get(jfls, i), "action"))) ||
290 (!json_is_string(jfaction))) {
291 tr_debug("tr_cfg_parse_one_filter: Error parsing filter action.");
292 *rc = TR_CFG_NOPARSE;
293 tr_filter_free(filt);
297 if ((NULL == (jfspecs = json_object_get(json_array_get(jfls, i), "filter_specs"))) ||
298 (!json_is_array(jfspecs)) ||
299 (0 == json_array_size(jfspecs))) {
300 tr_debug("tr_cfg_parse_one_filter: Error parsing filter specs.");
301 *rc = TR_CFG_NOPARSE;
302 tr_filter_free(filt);
306 if (TR_MAX_FILTER_SPECS < json_array_size(jfspecs)) {
307 tr_debug("tr_cfg_parse_one_filter: Filter has too many filter_specs, maximimum of %d.", TR_MAX_FILTER_SPECS);
308 *rc = TR_CFG_NOPARSE;
309 tr_filter_free(filt);
313 if (NULL == (filt->lines[i] = talloc_zero(trc, TR_FLINE))) {
314 tr_debug("tr_cfg_parse_one_filter: Out of memory (fline).");
316 tr_filter_free(filt);
320 if (!strcmp(json_string_value(jfaction), "accept")) {
321 filt->lines[i]->action = TR_FILTER_ACTION_ACCEPT;
323 else if (!strcmp(json_string_value(jfaction), "reject")) {
324 filt->lines[i]->action = TR_FILTER_ACTION_REJECT;
327 tr_debug("tr_cfg_parse_one_filter: Error parsing filter action, unknown action' %s'.", json_string_value(jfaction));
328 *rc = TR_CFG_NOPARSE;
329 tr_filter_free(filt);
333 if ((NULL != (jrc = json_object_get(json_array_get(jfls, i), "realm_constraints"))) &&
334 (json_is_array(jrc)) &&
335 (0 != json_array_size(jrc)) &&
336 (TR_MAX_CONST_MATCHES >= json_array_size(jrc))) {
338 if (NULL == (filt->lines[i]->realm_cons = tr_cfg_parse_one_constraint(trc, "realm", jrc, rc))) {
339 tr_debug("tr_cfg_parse_one_filter: Error parsing realm constraint");
340 tr_filter_free(filt);
345 if ((NULL != (jdc = json_object_get(json_array_get(jfls, i), "domain_constraints"))) &&
346 (json_is_array(jdc)) &&
347 (0 != json_array_size(jdc)) &&
348 (TR_MAX_CONST_MATCHES >= json_array_size(jdc))) {
350 if (NULL == (filt->lines[i]->domain_cons = tr_cfg_parse_one_constraint(trc, "domain", jdc, rc))) {
351 tr_debug("tr_cfg_parse_one_filter: Error parsing domain constraint");
352 tr_filter_free(filt);
357 /*For each filter spec within the filter line... */
358 for (j = 0; j <json_array_size(jfspecs); j++) {
360 if ((NULL == (jffield = json_object_get(json_array_get(jfspecs, j), "field"))) ||
361 (!json_is_string(jffield)) ||
362 (NULL == (jfmatch = json_object_get(json_array_get(jfspecs, j), "match"))) ||
363 (!json_is_string(jfmatch))) {
364 tr_debug("tr_cfg_parse_one_filter: Error parsing filter field and match for filter spec %d, filter line %d.", i, j);
365 *rc = TR_CFG_NOPARSE;
366 tr_filter_free(filt);
370 if (NULL == (filt->lines[i]->specs[j] = talloc_zero(trc, TR_FSPEC))) {
371 tr_debug("tr_cfg_parse_one_filter: Out of memory.");
373 tr_filter_free(filt);
377 if ((NULL == (filt->lines[i]->specs[j]->field = tr_new_name((char *)json_string_value(jffield)))) ||
378 (NULL == (filt->lines[i]->specs[j]->match = tr_new_name((char *)json_string_value(jfmatch))))) {
379 tr_debug("tr_cfg_parse_one_filter: Out of memory.");
381 tr_filter_free(filt);
390 static TR_RP_CLIENT *tr_cfg_parse_one_rp_client (TR_CFG *trc, json_t *jrp, TR_CFG_RC *rc)
392 TR_RP_CLIENT *rp = NULL;
394 json_t *jfilt = NULL;
395 json_t *jftype = NULL;
398 if ((!trc) || (!jrp) || (!rc)) {
399 tr_debug("tr_cfg_parse_one_rp_realm: Bad parameters.");
401 *rc = TR_CFG_BAD_PARAMS;
405 if ((NULL == (jgns = json_object_get(jrp, "gss_names"))) ||
406 (!json_is_array(jgns))) {
407 tr_debug("tr_cfg_parse_one_rp_client: Error parsing RP client configuration, no GSS names.");
408 *rc = TR_CFG_NOPARSE;
412 /* TBD -- Support more than one filter per RP client? */
413 if (NULL == (jfilt = json_object_get(jrp, "filter"))) {
414 tr_debug("tr_cfg_parse_one_rp_client: Error parsing RP client configuration, no filter.");
415 *rc = TR_CFG_NOPARSE;
419 /* We only support rp_permitted filters for RP clients */
420 if ((NULL == (jftype = json_object_get(jfilt, "type"))) ||
421 (!json_is_string(jftype)) ||
422 (strcmp(json_string_value(jftype), "rp_permitted"))) {
423 tr_debug("tr_cfg_parse_one_rp_client: Error parsing RP client filter type.");
424 *rc = TR_CFG_NOPARSE;
428 if (TR_MAX_GSS_NAMES < json_array_size(jgns)) {
429 tr_debug("tr_cfg_parse_one_rp_client: RP Client has too many GSS Names.");
430 *rc = TR_CFG_NOPARSE;
434 if (NULL == (rp = talloc_zero(trc, TR_RP_CLIENT))) {
435 tr_debug("tr_cfg_parse_one_rp_realm: Out of memory.");
440 /* TBD -- support more than one filter entry per RP Client? */
441 if (NULL == (rp->filter = tr_cfg_parse_one_filter(trc, jfilt, rc))) {
442 tr_debug("tr_cfg_parse_one_rp_client: Error parsing filter.");
443 *rc = TR_CFG_NOPARSE;
447 for (i = 0; i < json_array_size(jgns); i++) {
448 if (NULL == (rp->gss_names[i] = tr_new_name ((char *)json_string_value(json_array_get(jgns, i))))) {
449 tr_debug("tr_cfg_parse_one_rp_client: No memory for GSS Name.");
458 static TR_CFG_RC tr_cfg_parse_rp_clients (TR_CFG *trc, json_t *jcfg) {
460 TR_RP_CLIENT *rp = NULL;
461 TR_CFG_RC rc = TR_CFG_SUCCESS;
464 if ((!trc) || (!jcfg))
465 return TR_CFG_BAD_PARAMS;
467 if (NULL != (jrps = json_object_get(jcfg, "rp_clients"))) {
469 if (!json_is_array(jrps)) {
470 return TR_CFG_NOPARSE;
473 for (i = 0; i < json_array_size(jrps); i++) {
474 if (NULL == (rp = tr_cfg_parse_one_rp_client(trc,
475 json_array_get(jrps, i),
479 tr_debug("tr_cfg_parse_rp_clients: RP client configured -- first gss: %s", rp->gss_names[0]->buf);
480 rp->next = trc->rp_clients;
481 trc->rp_clients = rp;
484 tr_debug("tr_cfg_parse_rp_clients: Finished (rc=%d)", rc);
488 static TR_AAA_SERVER *tr_cfg_parse_one_aaa_server (TR_CFG *trc, json_t *jaddr, TR_CFG_RC *rc) {
489 TR_AAA_SERVER *aaa = NULL;
491 if ((!trc) || (!jaddr) || (!json_is_string(jaddr))) {
492 tr_debug("tr_cfg_parse_one_aaa_server: Bad parameters.");
493 *rc = TR_CFG_BAD_PARAMS;
497 if (NULL == (aaa = talloc_zero(trc, TR_AAA_SERVER))) {
498 tr_debug("tr_cfg_parse_one_aaa_server: Out of memory.");
503 aaa->hostname = tr_new_name((char *)(json_string_value(jaddr)));
508 static TR_AAA_SERVER *tr_cfg_parse_aaa_servers (TR_CFG *trc, json_t *jaaas, TR_CFG_RC *rc)
510 TR_AAA_SERVER *aaa = NULL;
511 TR_AAA_SERVER *temp_aaa = NULL;
514 for (i = 0; i < json_array_size(jaaas); i++) {
515 if (NULL == (temp_aaa = tr_cfg_parse_one_aaa_server(trc, json_array_get(jaaas, i), rc))) {
518 /* TBD -- IPv6 addresses */
519 // tr_debug("tr_cfg_parse_aaa_servers: Configuring AAA Server: ip_addr = %s.", inet_ntoa(temp_aaa->aaa_server_addr));
520 temp_aaa->next = aaa;
523 tr_debug("tr_cfg_parse_aaa_servers: Finished (rc=%d)", *rc);
527 static TR_APC *tr_cfg_parse_apcs (TR_CFG *trc, json_t *japcs, TR_CFG_RC *rc)
531 *rc = TR_CFG_SUCCESS; /* presume success */
533 if ((!trc) || (!japcs) || (!rc)) {
534 tr_debug("tr_cfg_parse_apcs: Bad parameters.");
536 *rc = TR_CFG_BAD_PARAMS;
540 if (NULL == (apc = talloc_zero(trc, TR_APC))) {
541 tr_debug("tr_cfg_parse_apcs: Out of memory.");
546 /* TBD, deal with more than one APC. In the meantime, though... */
547 /* Only parse the first APC, because we only know how to deal with one, anyway. */
548 if (0 == json_array_size(japcs))
551 if (NULL == (apc->id = tr_new_name((char *)json_string_value(json_array_get(japcs, 0))))) {
552 tr_debug("tr_cfg_parse_apcs: No memory for APC name.");
557 tr_debug("tr_cfg_parse_apcs: Finished (rc=%d)", *rc);
561 static TR_IDP_REALM *tr_cfg_parse_one_idp_realm (TR_CFG *trc, json_t *jidp, TR_CFG_RC *rc) {
562 TR_IDP_REALM *idp = NULL;
564 json_t *jscfg = NULL;
565 json_t *jsrvrs = NULL;
566 json_t *japcs = NULL;
568 if ((!trc) || (!jidp) || (!rc)) {
569 tr_debug("tr_cfg_parse_one_idp_realm: Bad parameters.");
571 *rc = TR_CFG_BAD_PARAMS;
575 if (NULL == (idp = talloc_zero(trc, TR_IDP_REALM))) {
576 tr_debug("tr_cfg_parse_one_idp_realm: Out of memory.");
581 if ((NULL == (jrid = json_object_get(jidp, "realm_id"))) ||
582 (!json_is_string(jrid)) ||
583 (NULL == (jscfg = json_object_get(jidp, "shared_config"))) ||
584 (!json_is_string(jscfg)) ||
585 (NULL == (jsrvrs = json_object_get(jidp, "aaa_servers"))) ||
586 (!json_is_array(jsrvrs))) {
587 tr_debug("tr_cfg_parse_one_idp_realm: Error parsing IDP realm configuration.");
588 *rc = TR_CFG_NOPARSE;
592 if (0 == strcmp(json_string_value(jscfg), "no")) {
593 idp->shared_config = 0;
595 idp->shared_config = 1;
598 if (NULL == (idp->realm_id = tr_new_name((char *)json_string_value(jrid)))) {
599 tr_debug("tr_cfg_parse_one_idp_realm: No memory for realm id.");
604 if (NULL == (idp->aaa_servers = tr_cfg_parse_aaa_servers(trc, jsrvrs, rc))) {
605 tr_debug("tr_cfg_parse_one_idp_realm: Can't parse AAA servers for realm %s.", idp->realm_id->buf);
606 tr_free_name(idp->realm_id);
610 if ((NULL != (japcs = json_object_get(jidp, "apcs"))) &&
611 (json_is_array(japcs))) {
612 if (NULL == (idp->apcs = tr_cfg_parse_apcs(trc, japcs, rc))) {
613 tr_debug("tr_cfg_parse_one_idp_realm: Can't parse APCs for realm %s .", idp->realm_id->buf);
614 tr_free_name(idp->realm_id);
615 /* TBD -- free aaa_servers */;
622 static TR_CFG_RC tr_cfg_parse_default_servers (TR_CFG *trc, json_t *jcfg)
625 TR_CFG_RC rc = TR_CFG_SUCCESS;
626 TR_AAA_SERVER *ds = NULL;
629 if ((!trc) || (!jcfg))
630 return TR_CFG_BAD_PARAMS;
632 /* If there are default servers, store them */
633 if ((NULL != (jdss = json_object_get(jcfg, "default_servers"))) &&
634 (json_is_array(jdss)) &&
635 (0 < json_array_size(jdss))) {
637 for (i = 0; i < json_array_size(jdss); i++) {
638 if (NULL == (ds = tr_cfg_parse_one_aaa_server(trc,
639 json_array_get(jdss, i),
643 tr_debug("tr_cfg_parse_default_servers: Default server configured: %s", ds->hostname->buf);
644 ds->next = trc->default_servers;
645 trc->default_servers = ds;
649 tr_debug("tr_cfg_parse_default_servers: Finished (rc=%d)", rc);
653 static TR_CFG_RC tr_cfg_parse_idp_realms (TR_CFG *trc, json_t *jcfg)
655 json_t *jidps = NULL;
656 TR_CFG_RC rc = TR_CFG_SUCCESS;
657 TR_IDP_REALM *idp = NULL;
660 if ((!trc) || (!jcfg))
661 return TR_CFG_BAD_PARAMS;
663 /* If there are any IDP Realms, parse them */
664 if ((NULL != (jidps = json_object_get(jcfg, "idp_realms"))) &&
665 (json_is_array(jidps))) {
666 for (i = 0; i < json_array_size(jidps); i++) {
667 if (NULL == (idp = tr_cfg_parse_one_idp_realm(trc,
668 json_array_get(jidps, i),
672 tr_debug("tr_cfg_parse_idp_realms: IDP realm configured: %s.", idp->realm_id->buf);
673 idp->next = trc->idp_realms;
674 trc->idp_realms = idp;
678 tr_debug("tr_cfg_parse_idp_realms: Finished (rc=%d)", rc);
682 static TR_IDP_REALM *tr_cfg_parse_comm_idps (TR_CFG *trc, json_t *jidps, TR_CFG_RC *rc)
684 TR_IDP_REALM *idp = NULL;
685 TR_IDP_REALM *temp_idp = NULL;
690 (!json_is_array(jidps))) {
692 *rc = TR_CFG_BAD_PARAMS;
696 for (i = 0; i < json_array_size(jidps); i++) {
697 if (NULL == (temp_idp = (tr_cfg_find_idp(trc,
698 tr_new_name((char *)json_string_value(json_array_get(jidps, i))),
700 tr_debug("tr_cfg_parse_comm_idps: Unknown IDP %s.",
701 (char *)json_string_value(json_array_get(jidps, i)));
705 temp_idp->comm_next = idp;
712 static TR_RP_REALM *tr_cfg_parse_comm_rps (TR_CFG *trc, json_t *jrps, TR_CFG_RC *rc)
714 TR_RP_REALM *rp = NULL;
715 TR_RP_REALM *temp_rp = NULL;
720 (!json_is_array(jrps))) {
722 *rc = TR_CFG_BAD_PARAMS;
726 for (i = (json_array_size(jrps)-1); i >= 0; i--) {
727 if (NULL == (temp_rp = talloc_zero(trc, TR_RP_REALM))) {
728 tr_debug("tr_cfg_parse_comm_rps: Can't allocate memory for RP Realm.");
734 if (NULL == (temp_rp->realm_name = tr_new_name((char *)json_string_value(json_array_get(jrps, i))))) {
735 tr_debug("tr_cfg_parse_comm_rps: No memory for RP Realm Name.");
748 static TR_COMM *tr_cfg_parse_one_comm (TR_CFG *trc, json_t *jcomm, TR_CFG_RC *rc) {
749 TR_COMM *comm = NULL;
751 json_t *jtype = NULL;
752 json_t *japcs = NULL;
753 json_t *jidps = NULL;
756 if ((!trc) || (!jcomm) || (!rc)) {
757 tr_debug("tr_cfg_parse_one_comm: Bad parameters.");
759 *rc = TR_CFG_BAD_PARAMS;
763 if (NULL == (comm = talloc_zero(trc, TR_COMM))) {
764 tr_crit("tr_cfg_parse_one_comm: Out of memory.");
770 if ((NULL == (jid = json_object_get(jcomm, "community_id"))) ||
771 (!json_is_string(jid)) ||
772 (NULL == (jtype = json_object_get(jcomm, "type"))) ||
773 (!json_is_string(jtype)) ||
774 (NULL == (japcs = json_object_get(jcomm, "apcs"))) ||
775 (!json_is_array(japcs)) ||
776 (NULL == (jidps = json_object_get(jcomm, "idp_realms"))) ||
777 (!json_is_array(jidps)) ||
778 (NULL == (jrps = json_object_get(jcomm, "rp_realms"))) ||
779 (!json_is_array(jrps))) {
780 tr_debug("tr_cfg_parse_one_comm: Error parsing Communities configuration.");
781 *rc = TR_CFG_NOPARSE;
785 if (NULL == (comm->id = tr_new_name((char *)json_string_value(jid)))) {
786 tr_debug("tr_cfg_parse_one_comm: No memory for community id.");
791 if (0 == strcmp(json_string_value(jtype), "apc")) {
792 comm->type = TR_COMM_APC;
793 } else if (0 == strcmp(json_string_value(jtype), "coi")) {
794 comm->type = TR_COMM_COI;
795 if (NULL == (comm->apcs = tr_cfg_parse_apcs(trc, japcs, rc))) {
796 tr_debug("tr_cfg_parse_one_comm: Can't parse APCs for COI %s.", comm->id->buf);
797 tr_free_name(comm->id);
801 tr_debug("tr_cfg_parse_one_comm: Invalid community type, comm = %s, type = %s", comm->id->buf, json_string_value(jtype));
802 tr_free_name(comm->id);
803 *rc = TR_CFG_NOPARSE;
807 comm->idp_realms = tr_cfg_parse_comm_idps(trc, jidps, rc);
808 if (TR_CFG_SUCCESS != *rc) {
809 tr_debug("tr_cfg_parse_one_comm: Can't parse IDP realms for comm %s.", comm->id->buf);
810 tr_free_name(comm->id);
814 comm->rp_realms = tr_cfg_parse_comm_rps(trc, jrps, rc);
815 if (TR_CFG_SUCCESS != *rc) {
816 tr_debug("tr_cfg_parse_comm: Can't parse RP realms for comm %s .", comm->id->buf);
817 tr_free_name(comm->id);
821 if (TR_COMM_APC == comm->type) {
822 json_t *jexpire = json_object_get(jcomm, "expiration_interval");
823 comm->expiration_interval = 43200; /*30 days*/
825 if (!json_is_integer(jexpire)) {
826 fprintf(stderr, "tr_parse_comm: expirae_interval is not an integer\n");
829 comm->expiration_interval = json_integer_value(jexpire);
830 if (comm->expiration_interval <= 10)
831 comm->expiration_interval = 11; /* Freeradius waits 10 minutes between successful TR queries*/
832 if (comm->expiration_interval > 129600) /* 90 days*/
833 comm->expiration_interval = 129600;
840 static TR_CFG_RC tr_cfg_parse_comms (TR_CFG *trc, json_t *jcfg)
842 json_t *jcomms = NULL;
843 TR_CFG_RC rc = TR_CFG_SUCCESS;
844 TR_COMM *comm = NULL;
847 if ((!trc) || (!jcfg)) {
848 tr_debug("tr_cfg_parse_comms: Bad Parameters.");
849 return TR_CFG_BAD_PARAMS;
852 if (NULL != (jcomms = json_object_get(jcfg, "communities"))) {
853 if (!json_is_array(jcomms)) {
854 return TR_CFG_NOPARSE;
857 for (i = 0; i < json_array_size(jcomms); i++) {
858 if (NULL == (comm = tr_cfg_parse_one_comm(trc,
859 json_array_get(jcomms, i),
863 tr_debug("tr_cfg_parse_comms: Community configured: %s.", comm->id->buf);
864 comm->next = trc->comms;
868 tr_debug("tr_cfg_parse_comms: Finished (rc=%d)", rc);
872 TR_CFG_RC tr_cfg_validate (TR_CFG *trc) {
873 TR_CFG_RC rc = TR_CFG_SUCCESS;
876 return TR_CFG_BAD_PARAMS;
878 if ((NULL == trc->internal)||
879 (NULL == trc->internal->hostname)) {
880 tr_debug("tr_cfg_validate: Error: No internal configuration, or no hostname.");
884 if (NULL == trc->rp_clients) {
885 tr_debug("tr_cfg_validate: Error: No RP Clients configured");
889 if (NULL == trc->comms) {
890 tr_debug("tr_cfg_validate: Error: No Communities configured");
894 if ((NULL == trc->default_servers) && (NULL == trc->idp_realms)) {
895 tr_debug("tr_cfg_validate: Error: No default servers or IDPs configured.");
902 /* Join two paths and return a pointer to the result. This should be freed
903 * via talloc_free. Returns NULL on failure. */
904 static char *join_paths(TALLOC_CTX *mem_ctx, const char *p1, const char *p2) {
905 return talloc_asprintf(mem_ctx, "%s/%s", p1, p2); /* returns NULL on a failure */
908 /* Reads configuration files in config_dir ("" or "./" will use the current directory). */
909 TR_CFG_RC tr_parse_config (TR_CFG_MGR *cfg_mgr, const char *config_dir, int n, struct dirent **cfg_files)
911 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
914 char *file_with_path;
916 TR_CFG_RC cfg_rc=TR_CFG_ERROR;
918 if ((!cfg_mgr) || (!cfg_files) || (n<=0)) {
919 cfg_rc=TR_CFG_BAD_PARAMS;
923 if (cfg_mgr->new != NULL)
924 tr_cfg_free(cfg_mgr->new);
925 cfg_mgr->new=tr_cfg_new(tmp_ctx); /* belongs to the temporary context for now */
926 if (cfg_mgr->new == NULL) {
931 /* Parse configuration information from each config file */
932 for (ii=0; ii<n; ii++) {
933 file_with_path=join_paths(tmp_ctx, config_dir, cfg_files[ii]->d_name); /* must free result with talloc_free */
934 if(file_with_path == NULL) {
935 tr_crit("tr_parse_config: error joining path.");
939 tr_debug("tr_parse_config: Parsing %s.", cfg_files[ii]->d_name); /* print the filename without the path */
940 if (NULL == (jcfg = json_load_file(file_with_path,
941 JSON_DISABLE_EOF_CHECK, &rc))) {
942 tr_debug("tr_parse_config: Error parsing config file %s.",
943 cfg_files[ii]->d_name);
944 cfg_rc=TR_CFG_NOPARSE;
948 if ((TR_CFG_SUCCESS != tr_cfg_parse_internal(cfg_mgr->new, jcfg)) ||
949 (TR_CFG_SUCCESS != tr_cfg_parse_rp_clients(cfg_mgr->new, jcfg)) ||
950 (TR_CFG_SUCCESS != tr_cfg_parse_idp_realms(cfg_mgr->new, jcfg)) ||
951 (TR_CFG_SUCCESS != tr_cfg_parse_default_servers(cfg_mgr->new, jcfg)) ||
952 (TR_CFG_SUCCESS != tr_cfg_parse_comms(cfg_mgr->new, jcfg))) {
958 /* make sure we got a complete, consistent configuration */
959 if (TR_CFG_SUCCESS != tr_cfg_validate(cfg_mgr->new)) {
960 tr_err("tr_parse_config: Error: INVALID CONFIGURATION");
966 talloc_steal(cfg_mgr, cfg_mgr->new); /* hand this over to the cfg_mgr context */
967 cfg_rc=TR_CFG_SUCCESS;
970 talloc_free(tmp_ctx);
974 TR_IDP_REALM *tr_cfg_find_idp (TR_CFG *tr_cfg, TR_NAME *idp_id, TR_CFG_RC *rc)
977 TR_IDP_REALM *cfg_idp;
979 if ((!tr_cfg) || (!idp_id)) {
981 *rc = TR_CFG_BAD_PARAMS;
985 for (cfg_idp = tr_cfg->idp_realms; NULL != cfg_idp; cfg_idp = cfg_idp->next) {
986 if (!tr_name_cmp (idp_id, cfg_idp->realm_id)) {
987 tr_debug("tr_cfg_find_idp: Found %s.", idp_id->buf);
991 /* if we didn't find one, return NULL */
995 TR_RP_CLIENT *tr_cfg_find_rp (TR_CFG *tr_cfg, TR_NAME *rp_gss, TR_CFG_RC *rc)
997 TR_RP_CLIENT *cfg_rp;
1000 if ((!tr_cfg) || (!rp_gss)) {
1002 *rc = TR_CFG_BAD_PARAMS;
1006 for (cfg_rp = tr_cfg->rp_clients; NULL != cfg_rp; cfg_rp = cfg_rp->next) {
1007 for (i = 0; i < TR_MAX_GSS_NAMES; i++) {
1008 if (!tr_name_cmp (rp_gss, cfg_rp->gss_names[i])) {
1009 tr_debug("tr_cfg_find_rp: Found %s.", rp_gss->buf);
1014 /* if we didn't find one, return NULL */
1018 static int is_cfg_file(const struct dirent *dent) {
1021 /* Only accept filenames ending in ".cfg" and starting with a character
1022 * other than an ASCII '.' */
1024 /* filename must be at least 4 characters long to be acceptable */
1025 n=strlen(dent->d_name);
1030 /* filename must not start with '.' */
1031 if ('.' == dent->d_name[0]) {
1035 /* If the above passed and the last four characters of the filename are .cfg, accept.
1036 * (n.b., assumes an earlier test checked that the name is >= 4 chars long.) */
1037 if (0 == strcmp(&(dent->d_name[n-4]), ".cfg")) {
1041 /* otherwise, return false. */
1045 /* Find configuration files in a particular directory. Returns the
1046 * number of entries found, 0 if none are found, or <0 for some
1047 * errors. If n>=0, the cfg_files parameter will contain a newly
1048 * allocated array of pointers to struct dirent entries, as returned
1049 * by scandir(). These can be freed with tr_free_config_file_list().
1051 int tr_find_config_files (const char *config_dir, struct dirent ***cfg_files) {
1054 n = scandir(config_dir, cfg_files, is_cfg_file, alphasort);
1058 tr_debug("tr_find_config: scandir error trying to scan %s.", config_dir);
1064 /* Free memory allocated for configuration file list returned from tr_find_config_files().
1065 * This can be called regardless of the return value of tr_find_config_values(). */
1066 void tr_free_config_file_list(int n, struct dirent ***cfg_files) {
1069 /* if n < 0, then scandir did not allocate anything because it failed */
1070 if((n>=0) && (*cfg_files != NULL)) {
1071 for(ii=0; ii<n; ii++) {
1072 free((*cfg_files)[ii]);
1074 free(*cfg_files); /* safe even if n==0 */
1075 *cfg_files=NULL; /* this will help prevent accidentally freeing twice */