298 lines
7.5 KiB
C
298 lines
7.5 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, 2005 Entr'ouvert
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* http://lasso.entrouvert.org
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*
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* Authors: See AUTHORS file in top-level directory.
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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/id-ff/identity.h>
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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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/*****************************************************************************/
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/* public methods */
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/*****************************************************************************/
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/**
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* lasso_identity_add_federation:
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* @identity: a #LassoIdentity
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* @federation: the #LassoFederation
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*
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* Adds @federation as a known federation for @identity.
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*
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* Return value: 0 on success; or a negative value otherwise.
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**/
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gint
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lasso_identity_add_federation(LassoIdentity *identity, LassoFederation *federation)
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{
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g_return_val_if_fail(LASSO_IS_IDENTITY(identity), -1);
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g_return_val_if_fail(LASSO_IS_FEDERATION(federation), -3);
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/* add the federation, replace if one already exists */
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g_hash_table_insert(identity->federations,
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g_strdup(federation->remote_providerID), federation);
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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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* lasso_identity_get_federation:
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* @identity: a #LassoIdentity
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* @providerID: the provider ID
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*
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* Looks up and returns the #LassoFederation for this provider ID.
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*
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* Return value: the #LassoFederation; or NULL if it didn't exist. The
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* #LassoFederation is internally allocated. It must not be freed,
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* modified or stored.
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**/
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LassoFederation*
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lasso_identity_get_federation(LassoIdentity *identity, const char *providerID)
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{
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return g_hash_table_lookup(identity->federations, providerID);
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}
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/**
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* lasso_identity_remove_federation:
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* @identity: a #LassoIdentity
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* @providerID: the provider ID
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*
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* Remove federation between identity and provider with @providerID
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*
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* Return value: 0 on success; or a negative value otherwise.
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**/
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gint
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lasso_identity_remove_federation(LassoIdentity *identity, const char *providerID)
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{
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if (g_hash_table_remove(identity->federations, providerID) == FALSE) {
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return LASSO_ERROR_UNDEFINED;
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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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* lasso_identity_destroy:
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* @identity: a #LassoIdentity
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*
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* Destroys an identity.
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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 (identity == NULL)
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return;
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lasso_node_destroy(LASSO_NODE(identity));
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}
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/*****************************************************************************/
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/* private methods */
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/*****************************************************************************/
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static LassoNodeClass *parent_class = NULL;
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static void
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add_federation_childnode(gchar *key, LassoFederation *value, xmlNode *xmlnode)
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{
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xmlAddChild(xmlnode, lasso_node_get_xmlNode(LASSO_NODE(value), TRUE));
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}
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static xmlNode*
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get_xmlNode(LassoNode *node, gboolean lasso_dump)
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{
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xmlNode *xmlnode;
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LassoIdentity *identity = LASSO_IDENTITY(node);
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xmlnode = xmlNewNode(NULL, "Identity");
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xmlSetNs(xmlnode, xmlNewNs(xmlnode, LASSO_LASSO_HREF, NULL));
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xmlSetProp(xmlnode, "Version", "2");
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if (g_hash_table_size(identity->federations))
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g_hash_table_foreach(identity->federations,
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(GHFunc)add_federation_childnode, xmlnode);
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return xmlnode;
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}
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static int
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init_from_xml(LassoNode *node, xmlNode *xmlnode)
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{
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LassoIdentity *identity = LASSO_IDENTITY(node);
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xmlNode *t;
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t = xmlnode->children;
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while (t) {
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if (t->type != XML_ELEMENT_NODE) {
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t = t->next;
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continue;
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}
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if (strcmp(t->name, "Federation") == 0) {
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LassoFederation *federation;
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federation = LASSO_FEDERATION(lasso_node_new_from_xmlNode(t));
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g_hash_table_insert(
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identity->federations,
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g_strdup(federation->remote_providerID), federation);
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}
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t = t->next;
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}
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return 0;
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}
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/*****************************************************************************/
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/* overridden parent class methods */
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/*****************************************************************************/
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static void
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dispose(GObject *object)
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{
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LassoIdentity *identity = LASSO_IDENTITY(object);
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if (identity->private_data->dispose_has_run == TRUE) {
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return;
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}
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identity->private_data->dispose_has_run = TRUE;
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g_hash_table_destroy(identity->federations);
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identity->federations = NULL;
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G_OBJECT_CLASS(parent_class)->dispose(object);
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}
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static void
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finalize(GObject *object)
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{
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LassoIdentity *identity = LASSO_IDENTITY(object);
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g_free(identity->private_data);
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identity->private_data = NULL;
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G_OBJECT_CLASS(parent_class)->finalize(object);
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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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instance_init(LassoIdentity *identity)
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{
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identity->private_data = g_new(LassoIdentityPrivate, 1);
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identity->private_data->dispose_has_run = FALSE;
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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 = FALSE;
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}
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static void
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class_init(LassoIdentityClass *klass)
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{
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parent_class = g_type_class_peek_parent(klass);
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LASSO_NODE_CLASS(klass)->get_xmlNode = get_xmlNode;
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LASSO_NODE_CLASS(klass)->init_from_xml = init_from_xml;
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G_OBJECT_CLASS(klass)->dispose = dispose;
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G_OBJECT_CLASS(klass)->finalize = finalize;
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}
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GType
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lasso_identity_get_type()
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{
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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) 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) instance_init,
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};
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this_type = g_type_register_static(LASSO_TYPE_NODE,
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"LassoIdentity", &this_info, 0);
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}
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return this_type;
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}
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/**
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* lasso_identity_new:
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*
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* Creates a new #LassoIdentity.
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*
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* Return value: a newly created #LassoIdentity
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**/
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LassoIdentity*
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lasso_identity_new()
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{
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return g_object_new(LASSO_TYPE_IDENTITY, NULL);
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}
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/**
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* lasso_identity_new_from_dump:
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* @dump: XML server dump
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*
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* Restores the @dump to a new #LassoIdentity.
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*
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* Return value: a newly created #LassoIdentity; or NULL if an error occured
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**/
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LassoIdentity*
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lasso_identity_new_from_dump(const gchar *dump)
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{
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LassoIdentity *identity;
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xmlDoc *doc;
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identity = lasso_identity_new();
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doc = xmlParseMemory(dump, strlen(dump));
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init_from_xml(LASSO_NODE(identity), xmlDocGetRootElement(doc));
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xmlFreeDoc(doc);
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return identity;
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}
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/**
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* lasso_identity_dump:
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* @identity: a #LassoIdentity
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*
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* Dumps @identity content to an XML string.
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*
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* Return value: the dump string. It must be freed by the caller.
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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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if (g_hash_table_size(identity->federations) == 0)
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return g_strdup("");
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return lasso_node_dump(LASSO_NODE(identity));
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}
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