484 lines
14 KiB
C
484 lines
14 KiB
C
/* $Id$
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*
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* Lasso - A free implementation of the Liberty Alliance specifications.
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*
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* Copyright (C) 2004 Entr'ouvert
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* http://lasso.entrouvert.org
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*
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* Authors: Nicolas Clapies <nclapies@entrouvert.com>
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* Valery Febvre <vfebvre@easter-eggs.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <lasso/environs/identity.h>
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#define LASSO_IDENTITY_NODE "LassoIdentity"
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#define LASSO_IDENTITY_FEDERATIONS_NODE "LassoFederations"
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#define LASSO_IDENTITY_FEDERATION_NODE "LassoFederation"
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#define LASSO_IDENTITY_REMOTE_PROVIDERID_ATTR "RemoteProviderID"
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struct _LassoIdentityPrivate
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{
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gboolean dispose_has_run;
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};
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static GObjectClass *parent_class = NULL;
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/*****************************************************************************/
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/* private functions */
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/*****************************************************************************/
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static void
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lasso_identity_copy_federation(gpointer key,
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gpointer value,
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gpointer federations)
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{
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g_hash_table_insert((GHashTable *)federations, g_strdup((gchar *)key),
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lasso_federation_copy(LASSO_FEDERATION(value)));
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}
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static void
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lasso_identity_dump_federation(gpointer key,
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gpointer value,
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LassoNode *federations)
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{
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LassoNode *federation_node;
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LassoNodeClass *federation_class;
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xmlChar *dump;
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dump = lasso_federation_dump(LASSO_FEDERATION(value));
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federation_node = lasso_node_new_from_dump(dump);
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xmlFree(dump);
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federation_class = LASSO_NODE_GET_CLASS(federation_node);
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federation_class->add_child(federations, federation_node, TRUE);
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lasso_node_destroy(federation_node);
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}
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/*****************************************************************************/
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/* public methods */
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/*****************************************************************************/
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gint
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lasso_identity_add_federation(LassoIdentity *identity,
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gchar *remote_providerID,
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LassoFederation *federation)
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{
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LassoFederation *old_federation;
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gboolean found = FALSE;
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int i;
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g_return_val_if_fail(LASSO_IS_IDENTITY(identity), -1);
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g_return_val_if_fail(remote_providerID != NULL, -2);
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g_return_val_if_fail(LASSO_IS_FEDERATION(federation), -3);
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/* add the remote provider id if not already saved */
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for (i = 0; i<identity->providerIDs->len; i++) {
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if(xmlStrEqual(remote_providerID, g_ptr_array_index(identity->providerIDs, i))) {
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found = TRUE;
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break;
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}
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}
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if (found == TRUE) {
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debug("A federation existed already for this providerID, it was replaced by the new one.\n");
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}
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else {
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g_ptr_array_add(identity->providerIDs, g_strdup(remote_providerID));
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}
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/* add the federation, replace if one already exists */
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g_hash_table_insert(identity->federations, g_strdup(remote_providerID),
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lasso_federation_copy(federation));
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identity->is_dirty = TRUE;
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return(0);
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}
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LassoIdentity*
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lasso_identity_copy(LassoIdentity *identity)
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{
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LassoIdentity *copy;
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guint i;
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if (identity == NULL) {
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return(NULL);
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}
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copy = LASSO_IDENTITY(g_object_new(LASSO_TYPE_IDENTITY, NULL));
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copy->providerIDs = g_ptr_array_new();
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for(i=0; i<identity->providerIDs->len; i++) {
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g_ptr_array_add(copy->providerIDs,
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g_strdup(g_ptr_array_index(identity->providerIDs, i)));
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}
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copy->federations = g_hash_table_new_full(g_str_hash, g_str_equal,
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(GDestroyNotify)g_free,
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(GDestroyNotify)lasso_node_destroy);
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g_hash_table_foreach(identity->federations, (GHFunc)lasso_identity_copy_federation,
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(gpointer)copy->federations);
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copy->is_dirty = identity->is_dirty;
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return(copy);
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}
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void
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lasso_identity_destroy(LassoIdentity *identity)
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{
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if (LASSO_IS_IDENTITY(identity)) {
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g_object_unref(G_OBJECT(identity));
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}
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}
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gchar*
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lasso_identity_dump(LassoIdentity *identity)
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{
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LassoNode *identity_node, *federations_node;
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int table_size;
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xmlChar *dump;
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g_return_val_if_fail(identity != NULL, NULL);
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identity_node = lasso_node_new();
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LASSO_NODE_GET_CLASS(identity_node)->set_name(identity_node, LASSO_IDENTITY_NODE);
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/* dump the federations */
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table_size = g_hash_table_size(identity->federations);
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if (table_size > 0) {
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federations_node = lasso_node_new();
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LASSO_NODE_GET_CLASS(federations_node)->set_name(federations_node,
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LASSO_IDENTITY_FEDERATIONS_NODE);
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g_hash_table_foreach(identity->federations, (GHFunc)lasso_identity_dump_federation,
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federations_node);
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LASSO_NODE_GET_CLASS(identity_node)->add_child(identity_node, federations_node, FALSE);
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lasso_node_destroy(federations_node);
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}
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dump = lasso_node_export(identity_node);
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lasso_node_destroy(identity_node);
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return(dump);
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}
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LassoFederation*
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lasso_identity_get_federation(LassoIdentity *identity,
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gchar *remote_providerID)
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{
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g_return_val_if_fail(identity != NULL, NULL);
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g_return_val_if_fail(remote_providerID != NULL, NULL);
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LassoFederation *federation;
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federation = (LassoFederation *)g_hash_table_lookup(identity->federations,
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remote_providerID);
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if (federation == NULL) {
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debug("No Federation found with remote ProviderID = %s\n", remote_providerID);
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return (NULL);
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}
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return(lasso_federation_copy(federation));
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}
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gchar*
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lasso_identity_get_next_federation_remote_providerID(LassoIdentity *identity)
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{
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gchar *remote_providerID;
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g_return_val_if_fail(identity!=NULL, NULL);
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if (identity->providerIDs->len == 0) {
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return(NULL);
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}
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remote_providerID = g_strdup(g_ptr_array_index(identity->providerIDs, 0));
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return(remote_providerID);
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}
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gint
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lasso_identity_remove_federation(LassoIdentity *identity,
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gchar *remote_providerID)
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{
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LassoFederation *federation;
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int i;
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g_return_val_if_fail(identity != NULL, -1);
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g_return_val_if_fail(remote_providerID != NULL, -2);
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/* remove the federation */
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federation = lasso_identity_get_federation(identity, remote_providerID);
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if (federation != NULL) {
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g_hash_table_remove(identity->federations, remote_providerID);
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lasso_federation_destroy(federation);
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}
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else {
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debug("Failed to remove federation for remote Provider %s\n", remote_providerID);
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}
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/* remove the federation remote provider id */
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for (i = 0; i<identity->providerIDs->len; i++) {
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if (xmlStrEqual(remote_providerID, g_ptr_array_index(identity->providerIDs, i))) {
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debug("Remove federation of %s\n", remote_providerID);
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g_ptr_array_remove_index(identity->providerIDs, i);
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break;
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}
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}
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identity->is_dirty = TRUE;
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return(0);
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}
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/*****************************************************************************/
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/* overrided parent class methods */
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/*****************************************************************************/
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static void
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lasso_identity_dispose(LassoIdentity *identity)
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{
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if (identity->private->dispose_has_run == TRUE) {
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return;
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}
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identity->private->dispose_has_run = TRUE;
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debug("Identity object 0x%x disposed ...\n", identity);
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g_hash_table_destroy(identity->federations);
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identity->federations = NULL;
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parent_class->dispose(G_OBJECT(identity));
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}
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static void
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lasso_identity_finalize(LassoIdentity *identity)
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{
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gint i;
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debug("Identity object 0x%x finalized ...\n", identity);
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/* free allocated memory for providerIDs array */
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for (i=0; i<identity->providerIDs->len; i++) {
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g_free(identity->providerIDs->pdata[i]);
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identity->providerIDs->pdata[i] = NULL;
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}
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g_ptr_array_free(identity->providerIDs, TRUE);
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identity->providerIDs = NULL;
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g_free(identity->private);
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identity->private = NULL;
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parent_class->finalize(G_OBJECT(identity));
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}
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/*****************************************************************************/
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/* instance and class init functions */
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/*****************************************************************************/
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static void
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lasso_identity_instance_init(LassoIdentity *identity)
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{
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identity->private = g_new (LassoIdentityPrivate, 1);
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identity->private->dispose_has_run = FALSE;
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identity->providerIDs = g_ptr_array_new();
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identity->federations = g_hash_table_new_full(g_str_hash, g_str_equal,
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(GDestroyNotify)g_free,
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(GDestroyNotify)lasso_federation_destroy);
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identity->is_dirty = TRUE;
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}
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static void
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lasso_identity_class_init(LassoIdentityClass *class)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS(class);
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parent_class = g_type_class_peek_parent(class);
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/* override parent class methods */
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gobject_class->dispose = (void *)lasso_identity_dispose;
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gobject_class->finalize = (void *)lasso_identity_finalize;
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}
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GType lasso_identity_get_type() {
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static GType this_type = 0;
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if (!this_type) {
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static const GTypeInfo this_info = {
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sizeof (LassoIdentityClass),
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NULL,
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NULL,
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(GClassInitFunc) lasso_identity_class_init,
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NULL,
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NULL,
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sizeof(LassoIdentity),
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0,
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(GInstanceInitFunc) lasso_identity_instance_init,
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};
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this_type = g_type_register_static(G_TYPE_OBJECT,
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"LassoIdentity",
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&this_info, 0);
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}
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return this_type;
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}
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LassoIdentity*
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lasso_identity_new()
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{
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LassoIdentity *identity;
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identity = LASSO_IDENTITY(g_object_new(LASSO_TYPE_IDENTITY, NULL));
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return(identity);
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}
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LassoIdentity*
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lasso_identity_new_from_dump(gchar *dump)
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{
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LassoNode *identity_node;
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LassoNode *federations_node, *federation_node;
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LassoNode *nis, *ni, *nameIdentifier;
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LassoNodeClass *federations_class;
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xmlNodePtr federations_xmlNode, federation_xmlNode;
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LassoIdentity *identity;
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LassoFederation *federation;
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xmlChar *str, *remote_providerID;
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GError *err = NULL;
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g_return_val_if_fail(dump != NULL, NULL);
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/* new object */
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identity = LASSO_IDENTITY(g_object_new(LASSO_TYPE_IDENTITY, NULL));
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/* get identity */
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identity_node = lasso_node_new_from_dump(dump);
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if (identity_node == NULL) {
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message(G_LOG_LEVEL_WARNING, "Can't create a identity from dump\n");
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return (NULL);
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}
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/* federations */
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federations_node = lasso_node_get_child(identity_node,
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LASSO_IDENTITY_FEDERATIONS_NODE,
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NULL, NULL);
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if (federations_node != NULL) {
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federations_class = LASSO_NODE_GET_CLASS(federations_node);
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federations_xmlNode = federations_class->get_xmlNode(federations_node);
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federation_xmlNode = federations_xmlNode->children;
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while (federation_xmlNode != NULL) {
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if (federation_xmlNode->type==XML_ELEMENT_NODE && \
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xmlStrEqual(federation_xmlNode->name, LASSO_IDENTITY_FEDERATION_NODE)) {
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federation_node = lasso_node_new_from_xmlNode(federation_xmlNode);
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remote_providerID = lasso_node_get_attr_value(federation_node,
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LASSO_FEDERATION_REMOTE_PROVIDERID_NODE, &err);
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if (remote_providerID == NULL) {
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message(G_LOG_LEVEL_WARNING, err->message);
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g_error_free(err);
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lasso_node_destroy(federation_node);
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federation_xmlNode = federation_xmlNode->next;
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continue;
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}
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/* new federation */
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federation = lasso_federation_new(remote_providerID);
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/* local name identifier */
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nis = lasso_node_get_child(federation_node,
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LASSO_FEDERATION_LOCAL_NAME_IDENTIFIER_NODE,
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NULL, NULL);
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if (nis != NULL) {
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ni = lasso_node_get_child(nis, "NameIdentifier", NULL, NULL);
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if (ni != NULL) {
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/* content */
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str = lasso_node_get_content(ni, NULL);
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nameIdentifier = lasso_saml_name_identifier_new(str);
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xmlFree(str);
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/* NameQualifier */
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str = lasso_node_get_attr_value(ni, "NameQualifier", NULL);
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if (str != NULL) {
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lasso_saml_name_identifier_set_nameQualifier(LASSO_SAML_NAME_IDENTIFIER(nameIdentifier), str);
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xmlFree(str);
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}
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/* format */
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str = lasso_node_get_attr_value(ni, "Format", NULL);
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if (str != NULL) {
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lasso_saml_name_identifier_set_format(LASSO_SAML_NAME_IDENTIFIER(nameIdentifier), str);
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xmlFree(str);
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}
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lasso_federation_set_local_nameIdentifier(federation, nameIdentifier);
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debug(" ... add local name identifier %s\n", lasso_node_get_content(ni, NULL));
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lasso_node_destroy(ni);
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lasso_node_destroy(nameIdentifier);
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}
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lasso_node_destroy(nis);
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}
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/* remote name identifier */
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nis = lasso_node_get_child(federation_node,
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LASSO_FEDERATION_REMOTE_NAME_IDENTIFIER_NODE,
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NULL, NULL);
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if (nis != NULL) {
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ni = lasso_node_get_child(nis, "NameIdentifier", NULL, NULL);
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if (ni != NULL) {
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/* content */
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str = lasso_node_get_content(ni, NULL);
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nameIdentifier = lasso_saml_name_identifier_new(str);
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xmlFree(str);
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/* NameQualifier */
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str = lasso_node_get_attr_value(ni, "NameQualifier", NULL);
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if (str != NULL) {
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lasso_saml_name_identifier_set_nameQualifier(LASSO_SAML_NAME_IDENTIFIER(nameIdentifier), str);
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xmlFree(str);
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}
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/* format */
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str = lasso_node_get_attr_value(ni, "Format", NULL);
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if (str != NULL) {
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lasso_saml_name_identifier_set_format(LASSO_SAML_NAME_IDENTIFIER(nameIdentifier), str);
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xmlFree(str);
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}
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lasso_federation_set_remote_nameIdentifier(federation, nameIdentifier);
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debug(" ... add local name identifier %s\n", lasso_node_get_content(ni, NULL));
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lasso_node_destroy(ni);
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lasso_node_destroy(nameIdentifier);
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}
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lasso_node_destroy(nis);
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}
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debug("Add federation for %s\n", remote_providerID);
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lasso_identity_add_federation(identity, remote_providerID, federation);
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xmlFree(remote_providerID);
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lasso_node_destroy(federation_node);
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lasso_federation_destroy(federation);
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}
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federation_xmlNode = federation_xmlNode->next;
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}
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lasso_node_destroy(federations_node);
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}
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lasso_node_destroy(identity_node);
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return (identity);
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}
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