*
*/
-#include <trust_router/tr_name.h>
-#include <tr_rp.h>
-#include <tr_config.h>
+#include <talloc.h>
+
#include <tr.h>
+#include <tr_name_internal.h>
+#include <tr_gss_names.h>
+#include <tr_config.h>
+#include <tr_rp.h>
+#include <tr_debug.h>
-TR_RP_CLIENT *tr_rp_client_lookup(TR_INSTANCE *tr, TR_NAME *gss_name) {
- TR_RP_CLIENT *rp = NULL;
- int i = 0;
+static int tr_rp_client_destructor(void *obj)
+{
+ return 0;
+}
- if ((!tr) || (!tr->active_cfg) || (!gss_name)) {
- fprintf(stderr, "tr_rp_client_lookup: Bad parameters.\n");
- return NULL;
+TR_RP_CLIENT *tr_rp_client_new(TALLOC_CTX *mem_ctx)
+{
+ TR_RP_CLIENT *client=talloc(mem_ctx, TR_RP_CLIENT);
+
+ if (client!=NULL) {
+ client->next=NULL;
+ client->comm_next=NULL;
+ client->gss_names=NULL;
+ client->filters=NULL;
+ talloc_set_destructor((void *)client, tr_rp_client_destructor);
}
+ return client;
+}
- for (rp = tr->active_cfg->rp_clients; NULL != rp; rp = rp->next) {
- for (i = 0; i < TR_MAX_GSS_NAMES; i++) {
- if (!strcmp(gss_name->buf, rp->gss_names[i]->buf)) {
- return rp;
- }
+void tr_rp_client_free(TR_RP_CLIENT *client)
+{
+ talloc_free(client);
+}
+
+static TR_RP_CLIENT *tr_rp_client_tail(TR_RP_CLIENT *client)
+{
+ if (client==NULL)
+ return NULL;
+
+ while (client->next!=NULL)
+ client=client->next;
+ return client;
+}
+
+/* do not call directly, use the tr_rp_client_add() macro */
+TR_RP_CLIENT *tr_rp_client_add_func(TR_RP_CLIENT *clients, TR_RP_CLIENT *new)
+{
+ if (clients==NULL)
+ clients=new;
+ else {
+ tr_rp_client_tail(clients)->next=new;
+ while (new!=NULL) {
+ talloc_steal(clients, new); /* put it in the right context */
+ new=new->next;
}
+ }
+ return clients;
+}
+
+
+int tr_rp_client_add_gss_name(TR_RP_CLIENT *rp_client, TR_NAME *gss_name)
+{
+ return tr_gss_names_add(rp_client->gss_names, gss_name);
+}
+
+int tr_rp_client_set_filters(TR_RP_CLIENT *client, TR_FILTER_SET *filts)
+{
+ if (client->filters!=NULL)
+ tr_filter_set_free(client->filters);
+ client->filters=filts;
+ talloc_steal(client, filts);
+ return 0; /* success */
+}
+
+TR_RP_CLIENT_ITER *tr_rp_client_iter_new(TALLOC_CTX *memctx)
+{
+ return talloc(memctx, TR_RP_CLIENT_ITER);
+}
+
+void tr_rp_client_iter_free(TR_RP_CLIENT_ITER *iter)
+{
+ talloc_free(iter);
+}
+
+TR_RP_CLIENT *tr_rp_client_iter_first(TR_RP_CLIENT_ITER *iter, TR_RP_CLIENT *rp_clients)
+{
+ if (!iter) {
+ tr_err("tr_rp_client_iter_first: Iterator is null, failing.");
+ return NULL;
+ }
+ *iter=rp_clients;
+ return *iter;
+}
+
+TR_RP_CLIENT *tr_rp_client_iter_next(TR_RP_CLIENT_ITER *iter)
+{
+ if (*iter)
+ *iter=(*iter)->next;
+ return *iter;
+}
+
+/**
+ * Find a client associated with a GSS name. It's possible there are other clients that match as well.
+ *
+ * @param rp_clients List of RP clients to search
+ * @param gss_name GSS name to search for
+ * @return Borrowed reference to an RP client linked to the GSS name
+ */
+TR_RP_CLIENT *tr_rp_client_lookup(TR_RP_CLIENT *rp_clients, TR_NAME *gss_name)
+{
+ TR_RP_CLIENT_ITER *iter=tr_rp_client_iter_new(NULL);
+ TR_RP_CLIENT *client=NULL;
+
+ if (iter==NULL) {
+ tr_err("tr_rp_client_lookup: Unable to allocate iterator");
+ return NULL;
+ }
+ for (client=tr_rp_client_iter_first(iter, rp_clients); client != NULL; client=tr_rp_client_iter_next(iter)) {
+ if (tr_gss_names_matches(client->gss_names, gss_name))
+ break;
+ }
+ tr_rp_client_iter_free(iter);
+ return client;
+}
+
+TR_RP_REALM *tr_rp_realm_lookup(TR_RP_REALM *rp_realms, TR_NAME *rp_name)
+{
+ TR_RP_REALM *rp = NULL;
+
+ if (!rp_name) {
+ tr_debug("tr_rp_realm_lookup: Bad parameters.");
+ return NULL;
+ }
+
+ for (rp=rp_realms; NULL!=rp; rp=rp->next) {
+ if (0==tr_name_cmp(tr_rp_realm_get_id(rp), rp_name))
+ return rp;
}
return NULL;
- }
+}
+
+static int tr_rp_realm_destructor(void *obj)
+{
+ TR_RP_REALM *rp=talloc_get_type_abort(obj, TR_RP_REALM);
+ if (rp->realm_id!=NULL)
+ tr_free_name(rp->realm_id);
+ return 0;
+}
+
+TR_RP_REALM *tr_rp_realm_new(TALLOC_CTX *mem_ctx)
+{
+ TR_RP_REALM *rp=talloc(mem_ctx, TR_RP_REALM);
+ if (rp!=NULL) {
+ rp->next=NULL;
+ rp->realm_id=NULL;
+ rp->refcount=0;
+ talloc_set_destructor((void *)rp, tr_rp_realm_destructor);
+ }
+ return rp;
+}
+
+void tr_rp_realm_free(TR_RP_REALM *rp)
+{
+ talloc_free(rp);
+}
+
+/* talloc note: lists of idp realms should be assembled using
+ * tr_idp_realm_add(). This will put all of the elements in the
+ * list, other than the head, as children of the head context.
+ * The head can then be placed in whatever context is desired. */
+
+static TR_RP_REALM *tr_rp_realm_tail(TR_RP_REALM *realm)
+{
+ if (realm==NULL)
+ return NULL;
+
+ while (realm->next!=NULL)
+ realm=realm->next;
+ return realm;
+}
+
+/* for correct behavior, call like: rp_realms=tr_rp_realm_add_func(rp_realms, new_realm);
+ * or better yet, use the macro */
+TR_RP_REALM *tr_rp_realm_add_func(TR_RP_REALM *head, TR_RP_REALM *new)
+{
+ if (head==NULL)
+ head=new;
+ else {
+ tr_rp_realm_tail(head)->next=new;
+ while (new!=NULL) {
+ talloc_steal(head, new); /* put it in the right context */
+ new=new->next;
+ }
+ }
+ return head;
+}
+
+/* use the macro */
+TR_RP_REALM *tr_rp_realm_remove_func(TR_RP_REALM *head, TR_RP_REALM *remove)
+{
+ TALLOC_CTX *list_ctx=talloc_parent(head);
+ TR_RP_REALM *this=NULL;
+
+ if (head==NULL)
+ return NULL;
+
+ if (head==remove) {
+ /* if we're removing the head, put the next element (if present) into the context
+ * the list head was in. */
+ head=head->next;
+ if (head!=NULL) {
+ talloc_steal(list_ctx, head);
+ /* now put all the other elements in the context of the list head */
+ for (this=head->next; this!=NULL; this=this->next)
+ talloc_steal(head, this);
+ }
+ } else {
+ /* not removing the head; no need to play with contexts */
+ for (this=head; this->next!=NULL; this=this->next) {
+ if (this->next==remove) {
+ this->next=remove->next;
+ break;
+ }
+ }
+ }
+ return head;
+}
+
+void tr_rp_realm_incref(TR_RP_REALM *realm)
+{
+ realm->refcount++;
+}
+
+void tr_rp_realm_decref(TR_RP_REALM *realm)
+{
+ if (realm->refcount>0)
+ realm->refcount--;
+}
+
+/* remove any with zero refcount
+ * Call via macro. */
+TR_RP_REALM *tr_rp_realm_sweep_func(TR_RP_REALM *head)
+{
+ TR_RP_REALM *rp=NULL;
+ TR_RP_REALM *old_next=NULL;
+
+ if (head==NULL)
+ return NULL;
+
+ while ((head!=NULL) && (head->refcount==0)) {
+ rp=head; /* keep a pointer so we can remove it */
+ tr_rp_realm_remove(head, rp); /* use this to get talloc contexts right */
+ tr_rp_realm_free(rp);
+ }
+
+ if (head==NULL)
+ return NULL;
+
+ /* will not remove the head here, that has already been done */
+ for (rp=head; (rp!=NULL) && (rp->next!=NULL); rp=rp->next) {
+ if (rp->next->refcount==0) {
+ old_next=rp->next;
+ tr_rp_realm_remove(head, rp->next); /* changes rp->next, may make it null */
+ tr_rp_realm_free(old_next);
+ }
+ }
+
+ return head;
+}
+
+TR_NAME *tr_rp_realm_get_id(TR_RP_REALM *rp)
+{
+ if (rp==NULL)
+ return NULL;
+
+ return rp->realm_id;
+}
+
+TR_NAME *tr_rp_realm_dup_id(TR_RP_REALM *rp)
+{
+ if (rp==NULL)
+ return NULL;
+
+ return tr_dup_name(tr_rp_realm_get_id(rp));
+}
+
+void tr_rp_realm_set_id(TR_RP_REALM *rp, TR_NAME *id)
+{
+ if (rp->realm_id!=NULL)
+ tr_free_name(rp->realm_id);
+ rp->realm_id=id;
+}
+
+char *tr_rp_realm_to_str(TALLOC_CTX *mem_ctx, TR_RP_REALM *rp)
+{
+ return talloc_asprintf(mem_ctx,
+ "RP realm: \"%.*s\"\n",
+ rp->realm_id->len, rp->realm_id->buf);
+}
projects / trust_router.git / blobdiff