308 lines
7.6 KiB
C
308 lines
7.6 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/session.h>
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#include <lasso/xml/errors.h>
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#include <lasso/lasso_config.h>
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#include <libxml/tree.h>
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struct _LassoSessionPrivate
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{
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gboolean dispose_has_run;
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GList *providerIDs;
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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_session_add_assertion(LassoSession *session, gchar *providerID, LassoSamlAssertion *assertion)
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{
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g_return_val_if_fail(session != NULL, -1);
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g_return_val_if_fail(providerID != NULL, -2);
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g_return_val_if_fail(assertion != NULL, -3);
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if (g_hash_table_lookup(session->assertions, providerID)) {
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debug("An assertion existed already for this providerID, replaced by new one.");
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}
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g_hash_table_insert(session->assertions, g_strdup(providerID), assertion);
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session->is_dirty = TRUE;
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return 0;
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}
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LassoSamlAssertion*
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lasso_session_get_assertion(LassoSession *session, gchar *providerID)
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{
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return g_hash_table_lookup(session->assertions, providerID);
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}
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gchar*
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lasso_session_get_authentication_method(LassoSession *session, gchar *remote_providerID)
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{
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/* XXX: somewhere in
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* session/Assertion[remote_providerID]/AuthenticationStatement
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*/
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g_assert_not_reached();
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return NULL;
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}
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gchar*
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lasso_session_get_first_providerID(LassoSession *session)
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{
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/* XXX: why didn't it use get_provider_index directly ? */
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return lasso_session_get_provider_index(session, 0);
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}
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static void
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add_providerID(gchar *key, LassoLibAssertion *assertion, LassoSession *session)
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{
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session->private->providerIDs = g_list_append(session->private->providerIDs, key);
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}
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gchar*
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lasso_session_get_provider_index(LassoSession *session, gint index)
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{
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GList *element;
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if (session->private->providerIDs == NULL) {
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g_hash_table_foreach(session->assertions, (GHFunc)add_providerID, session);
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/* XXX? create list */
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}
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if (g_hash_table_size(session->assertions) == 0)
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return NULL;
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element = g_list_nth(session->private->providerIDs, index);
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if (element == NULL)
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return NULL;
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return g_strdup(element->data);
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}
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gint
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lasso_session_remove_assertion(LassoSession *session, gchar *providerID)
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{
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if (g_hash_table_remove(session->assertions, providerID)) {
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session->is_dirty = TRUE;
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return 0;
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}
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return LASSO_ERROR_UNDEFINED; /* assertion not found */
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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_assertion_childnode(gchar *key, LassoLibAssertion *value, xmlNode *xmlnode)
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{
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xmlNode *t;
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t = xmlNewTextChild(xmlnode, NULL, "Assertion", NULL);
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xmlSetProp(t, "RemoteProviderID", key);
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xmlAddChild(t, lasso_node_get_xmlNode(LASSO_NODE(value)));
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}
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static xmlNode*
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get_xmlNode(LassoNode *node)
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{
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xmlNode *xmlnode;
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LassoSession *session = LASSO_SESSION(node);
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xmlnode = xmlNewNode(NULL, "Session");
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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(session->assertions))
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g_hash_table_foreach(session->assertions, (GHFunc)add_assertion_childnode, xmlnode);
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return xmlnode;
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}
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static void
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init_from_xml(LassoNode *node, xmlNode *xmlnode)
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{
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LassoSession *session = LASSO_SESSION(node);
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xmlNode *t, *n;
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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, "Assertion") == 0) {
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n = t->children;
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while (n && n->type != XML_ELEMENT_NODE) n = n->next;
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if (n) {
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LassoLibAssertion *assertion;
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assertion = LASSO_LIB_ASSERTION(lasso_node_new_from_xmlNode(n));
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g_hash_table_insert(
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session->assertions,
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xmlGetProp(t, "RemoteProviderID"),
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assertion);
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}
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}
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t = t->next;
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}
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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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dispose(GObject *object)
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{
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LassoSession *session = LASSO_SESSION(object);
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if (session->private->dispose_has_run == TRUE) {
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return;
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}
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session->private->dispose_has_run = TRUE;
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debug("Session object 0x%x disposed ...\n", session);
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/* XXX: here or not ?
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g_hash_table_destroy(session->assertions);
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session->assertions = NULL;
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*/
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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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LassoSession *session = LASSO_SESSION(object);
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debug("Session object 0x%x finalized ...\n", session);
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g_free(session->private);
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session->private = 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(LassoSession *session)
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{
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session->private = g_new (LassoSessionPrivate, 1);
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session->private->dispose_has_run = FALSE;
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session->private->providerIDs = NULL;
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session->assertions = 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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session->is_dirty = FALSE;
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}
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static void
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class_init(LassoSessionClass *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_session_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 (LassoSessionClass),
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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(LassoSession),
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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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"LassoSession", &this_info, 0);
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}
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return this_type;
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}
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LassoSession*
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lasso_session_new()
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{
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return g_object_new(LASSO_TYPE_SESSION, NULL);
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}
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LassoSession*
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lasso_session_new_from_dump(const gchar *dump)
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{
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LassoSession *session;
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xmlDoc *doc;
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session = lasso_session_new();
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doc = xmlParseMemory(dump, strlen(dump));
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init_from_xml(LASSO_NODE(session), xmlDocGetRootElement(doc));
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xmlFreeDoc(doc);
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return session;
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}
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gchar*
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lasso_session_dump(LassoSession *session)
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{
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if (g_hash_table_size(session->assertions) == 0)
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return g_strdup("");
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return lasso_node_dump(LASSO_NODE(session), NULL, 1);
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}
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void lasso_session_destroy(LassoSession *session)
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{
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/* XXX do nothing */
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}
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