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.
38 #include <trust_router/tr_name.h>
40 #include <tr_config.h>
43 static int tr_aaa_server_destructor(void *obj)
45 TR_AAA_SERVER *aaa=talloc_get_type_abort(obj, TR_AAA_SERVER);
46 if (aaa->hostname!=NULL)
47 tr_free_name(aaa->hostname);
51 TR_AAA_SERVER *tr_aaa_server_new(TALLOC_CTX *mem_ctx, TR_NAME *hostname)
53 TR_AAA_SERVER *aaa=talloc(mem_ctx, TR_AAA_SERVER);
56 aaa->hostname=hostname;
57 talloc_set_destructor((void *)aaa, tr_aaa_server_destructor);
62 void tr_aaa_server_free(TR_AAA_SERVER *aaa)
67 TR_AAA_SERVER_ITER *tr_aaa_server_iter_new(TALLOC_CTX *mem_ctx)
69 return talloc(mem_ctx, TR_AAA_SERVER_ITER);
72 void tr_aaa_server_iter_free(TR_AAA_SERVER_ITER *iter)
77 TR_AAA_SERVER *tr_aaa_server_iter_first(TR_AAA_SERVER_ITER *iter, TR_AAA_SERVER *aaa)
83 TR_AAA_SERVER *tr_aaa_server_iter_next(TR_AAA_SERVER_ITER *iter)
85 if (iter->this!=NULL) {
86 iter->this=iter->this->next;
92 /* fills in shared if pointer not null */
93 TR_AAA_SERVER *tr_idp_aaa_server_lookup(TR_IDP_REALM *idp_realms, TR_NAME *idp_realm_name, TR_NAME *comm, int *shared_out)
95 TR_IDP_REALM *idp = NULL;
97 for (idp = idp_realms; idp != NULL; idp = idp->next) {
98 if (!tr_name_cmp(idp_realm_name, idp->realm_id)) {
99 /* TBD -- check that the community is one of the APCs for the IDP */
104 if (shared_out!=NULL)
105 *shared_out=idp->shared_config;
106 return idp->aaa_servers;
111 TR_AAA_SERVER *tr_default_server_lookup(TR_AAA_SERVER *default_servers, TR_NAME *comm)
113 if (!default_servers)
116 return(default_servers);
119 static int tr_idp_realm_destructor(void *obj)
121 TR_IDP_REALM *idp=talloc_get_type_abort(obj, TR_IDP_REALM);
122 if (idp->realm_id!=NULL)
123 tr_free_name(idp->realm_id);
127 /* talloc note: lists of idp realms should be assembled using
128 * tr_idp_realm_add(). This will put all of the elements in the
129 * list, other than the head, as children of the head context.
130 * The head can then be placed in whatever context is desired. */
131 TR_IDP_REALM *tr_idp_realm_new(TALLOC_CTX *mem_ctx)
133 TR_IDP_REALM *idp=talloc(mem_ctx, TR_IDP_REALM);
138 idp->shared_config=0;
139 idp->aaa_servers=NULL;
141 idp->origin=TR_REALM_LOCAL;
142 talloc_set_destructor((void *)idp, tr_idp_realm_destructor);
147 void tr_idp_realm_free(TR_IDP_REALM *idp)
152 TR_NAME *tr_idp_realm_get_id(TR_IDP_REALM *idp)
157 return idp->realm_id;
160 TR_NAME *tr_idp_realm_dup_id(TR_IDP_REALM *idp)
165 return tr_dup_name(tr_idp_realm_get_id(idp));
168 void tr_idp_realm_set_id(TR_IDP_REALM *idp, TR_NAME *id)
170 if (idp->realm_id!=NULL)
171 tr_free_name(idp->realm_id);
175 void tr_idp_realm_set_apcs(TR_IDP_REALM *idp, TR_APC *apc)
178 tr_apc_free(idp->apcs);
180 talloc_steal(idp, apc);
183 TR_APC *tr_idp_realm_get_apcs(TR_IDP_REALM *idp)
188 TR_IDP_REALM *tr_idp_realm_lookup(TR_IDP_REALM *idp_realms, TR_NAME *idp_name)
190 TR_IDP_REALM *idp = NULL;
193 tr_debug("tr_idp_realm_lookup: Bad parameters.");
197 for (idp=idp_realms; NULL!=idp; idp=idp->next) {
198 if (0==tr_name_cmp(tr_idp_realm_get_id(idp), idp_name))
205 static TR_IDP_REALM *tr_idp_realm_tail(TR_IDP_REALM *idp)
210 while (idp->next!=NULL)
215 /* do not call directly, use the tr_idp_realm_add() macro */
216 TR_IDP_REALM *tr_idp_realm_add_func(TR_IDP_REALM *head, TR_IDP_REALM *new)
221 tr_idp_realm_tail(head)->next=new;
223 talloc_steal(head, new); /* put it in the right context */
231 TR_IDP_REALM *tr_idp_realm_remove_func(TR_IDP_REALM *head, TR_IDP_REALM *remove)
233 TALLOC_CTX *list_ctx=talloc_parent(head);
234 TR_IDP_REALM *this=NULL;
240 /* if we're removing the head, put the next element (if present) into the context
241 * the list head was in. */
244 talloc_steal(list_ctx, head);
245 /* now put all the other elements in the context of the list head */
246 for (this=head->next; this!=NULL; this=this->next)
247 talloc_steal(head, this);
250 /* not removing the head; no need to play with contexts */
251 for (this=head; this->next!=NULL; this=this->next) {
252 if (this->next==remove) {
253 this->next=remove->next;
261 static int tr_idp_realm_apc_count(TR_IDP_REALM *idp)
264 TR_APC *apc=idp->apcs;
272 static int tr_idp_realm_aaa_server_count(TR_IDP_REALM *idp)
275 TR_AAA_SERVER *aaa=idp->aaa_servers;
283 static char *tr_aaa_server_to_str(TALLOC_CTX *mem_ctx, TR_AAA_SERVER *aaa)
285 return talloc_strndup(mem_ctx, aaa->hostname->buf, aaa->hostname->len);
288 char *tr_idp_realm_to_str(TALLOC_CTX *mem_ctx, TR_IDP_REALM *idp)
290 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
291 char **s_aaa=NULL, *aaa_servers=NULL;
292 char **s_apc=NULL, *apcs=NULL;
293 int ii=0, aaa_servers_strlen=0, apcs_strlen=0;
294 int n_aaa_servers=tr_idp_realm_aaa_server_count(idp);
295 int n_apcs=tr_idp_realm_apc_count(idp);
296 TR_AAA_SERVER *aaa=NULL;
300 /* get the AAA servers */
301 if (n_aaa_servers<=0)
302 aaa_servers=talloc_strdup(tmp_ctx, "");
304 s_aaa=talloc_array(tmp_ctx, char *, n_aaa_servers);
305 for (aaa=idp->aaa_servers,ii=0; aaa!=NULL; aaa=aaa->next,ii++) {
306 s_aaa[ii]=tr_aaa_server_to_str(s_aaa, aaa);
307 aaa_servers_strlen+=strlen(s_aaa[ii]);
310 /* add space for comma-space separators */
311 aaa_servers_strlen+=2*(n_aaa_servers-1);
313 aaa_servers=talloc_array(tmp_ctx, char, aaa_servers_strlen+1);
315 for (ii=0; ii<n_aaa_servers; ii++) {
316 strcat(aaa_servers, s_aaa[ii]);
317 if (ii<(n_aaa_servers-1))
318 strcat(aaa_servers, ", ");
325 apcs=talloc_strdup(tmp_ctx, "");
327 s_apc=talloc_array(tmp_ctx, char *, n_apcs);
328 for (apc=idp->apcs,ii=0; apc!=NULL; apc=apc->next,ii++) {
329 s_apc[ii]=tr_apc_to_str(s_apc, apc);
330 apcs_strlen+=strlen(s_apc[ii]);
333 /* add space for comma-space separators */
334 apcs_strlen+=2*(n_apcs-1);
336 apcs=talloc_array(tmp_ctx, char, apcs_strlen+1);
338 for (ii=0; ii<n_apcs; ii++) {
339 strcat(apcs, s_apc[ii]);
346 result=talloc_asprintf(mem_ctx,
347 "IDP realm: \"%.*s\"\n"
352 idp->realm_id->len, idp->realm_id->buf,
353 (idp->shared_config)?"yes":"no",
354 (idp->origin==TR_REALM_LOCAL)?"yes":"no",
357 talloc_free(tmp_ctx);
361 void tr_idp_realm_incref(TR_IDP_REALM *realm)
366 void tr_idp_realm_decref(TR_IDP_REALM *realm)
368 if (realm->refcount>0)
372 /* remove any with zero refcount
374 TR_IDP_REALM *tr_idp_realm_sweep_func(TR_IDP_REALM *head)
376 TR_IDP_REALM *idp=NULL;
377 TR_IDP_REALM *old_next=NULL;
382 while ((head!=NULL) && (head->refcount==0)) {
383 idp=head; /* keep a pointer so we can remove it */
384 tr_idp_realm_remove(head, idp); /* use this to get talloc contexts right */
385 tr_idp_realm_free(idp);
391 /* will not remove the head here, that has already been done */
392 for (idp=head; idp->next!=NULL; idp=idp->next) {
393 if (idp->next->refcount==0) {
395 tr_idp_realm_remove(head, idp->next); /* changes idp->next */
396 tr_idp_realm_free(old_next);