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
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30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
31 * OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <tr_name_internal.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;
143 talloc_set_destructor((void *)idp, tr_idp_realm_destructor);
148 void tr_idp_realm_free(TR_IDP_REALM *idp)
153 TR_NAME *tr_idp_realm_get_id(TR_IDP_REALM *idp)
158 return idp->realm_id;
161 TR_NAME *tr_idp_realm_dup_id(TR_IDP_REALM *idp)
166 return tr_dup_name(tr_idp_realm_get_id(idp));
169 void tr_idp_realm_set_id(TR_IDP_REALM *idp, TR_NAME *id)
171 if (idp->realm_id!=NULL)
172 tr_free_name(idp->realm_id);
176 void tr_idp_realm_set_apcs(TR_IDP_REALM *idp, TR_APC *apc)
179 tr_apc_free(idp->apcs);
181 talloc_steal(idp, apc);
184 TR_APC *tr_idp_realm_get_apcs(TR_IDP_REALM *idp)
189 TR_IDP_REALM *tr_idp_realm_lookup(TR_IDP_REALM *idp_realms, TR_NAME *idp_name)
191 TR_IDP_REALM *idp = NULL;
194 tr_debug("tr_idp_realm_lookup: Bad parameters.");
198 for (idp=idp_realms; NULL!=idp; idp=idp->next) {
199 if (0==tr_name_cmp(tr_idp_realm_get_id(idp), idp_name))
206 static TR_IDP_REALM *tr_idp_realm_tail(TR_IDP_REALM *idp)
211 while (idp->next!=NULL)
216 /* do not call directly, use the tr_idp_realm_add() macro */
217 TR_IDP_REALM *tr_idp_realm_add_func(TR_IDP_REALM *head, TR_IDP_REALM *new)
222 tr_idp_realm_tail(head)->next=new;
224 talloc_steal(head, new); /* put it in the right context */
232 TR_IDP_REALM *tr_idp_realm_remove_func(TR_IDP_REALM *head, TR_IDP_REALM *remove)
234 TALLOC_CTX *list_ctx=talloc_parent(head);
235 TR_IDP_REALM *this=NULL;
241 /* if we're removing the head, put the next element (if present) into the context
242 * the list head was in. */
245 talloc_steal(list_ctx, head);
246 /* now put all the other elements in the context of the list head */
247 for (this=head->next; this!=NULL; this=this->next)
248 talloc_steal(head, this);
251 /* not removing the head; no need to play with contexts */
252 for (this=head; this->next!=NULL; this=this->next) {
253 if (this->next==remove) {
254 this->next=remove->next;
262 static int tr_idp_realm_apc_count(TR_IDP_REALM *idp)
265 TR_APC *apc=idp->apcs;
273 static int tr_idp_realm_aaa_server_count(TR_IDP_REALM *idp)
276 TR_AAA_SERVER *aaa=idp->aaa_servers;
284 static char *tr_aaa_server_to_str(TALLOC_CTX *mem_ctx, TR_AAA_SERVER *aaa)
286 return talloc_strndup(mem_ctx, aaa->hostname->buf, aaa->hostname->len);
289 char *tr_idp_realm_to_str(TALLOC_CTX *mem_ctx, TR_IDP_REALM *idp)
291 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
292 char **s_aaa=NULL, *aaa_servers=NULL;
293 char **s_apc=NULL, *apcs=NULL;
294 int ii=0, aaa_servers_strlen=0, apcs_strlen=0;
295 int n_aaa_servers=tr_idp_realm_aaa_server_count(idp);
296 int n_apcs=tr_idp_realm_apc_count(idp);
297 TR_AAA_SERVER *aaa=NULL;
301 /* get the AAA servers */
302 if (n_aaa_servers<=0)
303 aaa_servers=talloc_strdup(tmp_ctx, "");
305 s_aaa=talloc_array(tmp_ctx, char *, n_aaa_servers);
306 for (aaa=idp->aaa_servers,ii=0; aaa!=NULL; aaa=aaa->next,ii++) {
307 s_aaa[ii]=tr_aaa_server_to_str(s_aaa, aaa);
308 aaa_servers_strlen+=strlen(s_aaa[ii]);
311 /* add space for comma-space separators */
312 aaa_servers_strlen+=2*(n_aaa_servers-1);
314 aaa_servers=talloc_array(tmp_ctx, char, aaa_servers_strlen+1);
316 for (ii=0; ii<n_aaa_servers; ii++) {
317 strcat(aaa_servers, s_aaa[ii]);
318 if (ii<(n_aaa_servers-1))
319 strcat(aaa_servers, ", ");
326 apcs=talloc_strdup(tmp_ctx, "");
328 s_apc=talloc_array(tmp_ctx, char *, n_apcs);
329 for (apc=idp->apcs,ii=0; apc!=NULL; apc=apc->next,ii++) {
330 s_apc[ii]=tr_apc_to_str(s_apc, apc);
331 apcs_strlen+=strlen(s_apc[ii]);
334 /* add space for comma-space separators */
335 apcs_strlen+=2*(n_apcs-1);
337 apcs=talloc_array(tmp_ctx, char, apcs_strlen+1);
339 for (ii=0; ii<n_apcs; ii++) {
340 strcat(apcs, s_apc[ii]);
347 result=talloc_asprintf(mem_ctx,
348 "IDP realm: \"%.*s\""
353 idp->realm_id->len, idp->realm_id->buf,
354 (idp->shared_config)?"yes":"no",
355 (idp->origin==TR_REALM_LOCAL)?"yes":"no",
358 talloc_free(tmp_ctx);
362 void tr_idp_realm_incref(TR_IDP_REALM *realm)
367 void tr_idp_realm_decref(TR_IDP_REALM *realm)
369 if (realm->refcount>0)
373 /* remove any with zero refcount
375 TR_IDP_REALM *tr_idp_realm_sweep_func(TR_IDP_REALM *head)
377 TR_IDP_REALM *idp=NULL;
378 TR_IDP_REALM *old_next=NULL;
383 while ((head!=NULL) && (head->refcount==0)) {
384 idp=head; /* keep a pointer so we can remove it */
385 tr_idp_realm_remove(head, idp); /* use this to get talloc contexts right */
386 tr_idp_realm_free(idp);
392 /* Will not remove the head here, that has already been done.*/
393 for (idp=head; (idp!=NULL) && (idp->next!=NULL); idp=idp->next) {
394 if (idp->next->refcount==0) {
396 tr_idp_realm_remove(head, idp->next); /* changes idp->next, may make it NULL */
397 tr_idp_realm_free(old_next);