193 lines
5.5 KiB
C
193 lines
5.5 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) 2004-2007 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, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* SECTION:idwsf2-session-extension
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*/
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#include "session.h"
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#include "../xml/id-wsf-2.0/idwsf2_strings.h"
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#include "../utils.h"
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#include "../id-ff/session.h"
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#include "../id-ff/sessionprivate.h"
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#include "../xml/misc_text_node.h"
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#include "../xml/ws/wsa_endpoint_reference.h"
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#include "../xml/saml-2.0/saml2_assertion.h"
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#include "../xml/id-wsf-2.0/disco_svc_metadata.h"
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#include "../xml/id-wsf-2.0/disco_service_type.h"
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#include "../xml/id-wsf-2.0/disco_security_context.h"
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#include "../xml/id-wsf-2.0/sec_token.h"
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typedef struct _DumpContext {
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xmlNode *parent;
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} DumpContext;
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/**
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* lasso_session_add_endpoint_reference:
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* @session: a #LassoSession object
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* @epr: a #LassoWsAddrEndpointReference object
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*
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* Add an endpoint reference to a session object.
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*
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* Return value: 0 if successfull, an error code otherwise.
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*/
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gint
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lasso_session_add_endpoint_reference(LassoSession *session, LassoWsAddrEndpointReference *epr)
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{
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GList *i;
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g_return_val_if_fail(LASSO_IS_SESSION(session), LASSO_PARAM_ERROR_INVALID_VALUE);
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g_return_val_if_fail(LASSO_IS_WSA_ENDPOINT_REFERENCE(epr), LASSO_PARAM_ERROR_INVALID_VALUE);
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for (i = g_list_first(epr->Metadata->any); i != NULL; i = g_list_next(i)) {
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if (LASSO_IS_IDWSF2_DISCO_SERVICE_TYPE(i->data)) {
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g_hash_table_insert(session->private_data->eprs,
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g_strdup(LASSO_IDWSF2_DISCO_SERVICE_TYPE(i->data)->content),
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g_object_ref(epr));
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session->is_dirty = TRUE;
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break;
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}
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}
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return 0;
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}
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/**
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* lasso_session_get_endpoint_reference:
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* @session: a #LassoSession object
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* @service_type: a string giving the service type.
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*
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* Return an endpoint reference for the given service type.
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*
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* Return value: a caller owned #LassoWsAddrEndpointReference object for the given service type if
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* one is found, NULL otherwise.
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*/
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LassoWsAddrEndpointReference*
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lasso_session_get_endpoint_reference(LassoSession *session, const gchar *service_type)
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{
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LassoWsAddrEndpointReference* epr;
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if (! LASSO_IS_SESSION(session) || service_type == NULL)
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return NULL;
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epr = g_hash_table_lookup(session->private_data->eprs, service_type);
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if (LASSO_IS_WSA_ENDPOINT_REFERENCE(epr)) {
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return (LassoWsAddrEndpointReference*)g_object_ref(epr);
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} else {
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return NULL;
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}
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}
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/**
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* lasso_session_get_assertion_identity_token:
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* @session: a #LassoSession object
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* @service_type: a char* string describing the targeted service
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*
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* Return a security token to contact a specified service.
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*
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* Return value: (allow-none): a #LassoAssertion object or NULL
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*/
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LassoSaml2Assertion*
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lasso_session_get_assertion_identity_token(LassoSession *session, const gchar *service_type)
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{
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LassoWsAddrEndpointReference* epr;
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GList *metadata_item;
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GList *i;
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LassoIdWsf2DiscoSecurityContext *security_context;
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LassoIdWsf2SecToken *sec_token;
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LassoSaml2Assertion *assertion = NULL;
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if (LASSO_IS_SESSION(session) == FALSE) {
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return NULL;
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}
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epr = lasso_session_get_endpoint_reference(session, service_type);
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if (epr == NULL || epr->Metadata == NULL) {
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return NULL;
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}
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metadata_item = epr->Metadata->any;
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for (i = g_list_first(metadata_item); i != NULL; i = g_list_next(i)) {
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if (LASSO_IS_IDWSF2_DISCO_SECURITY_CONTEXT(i->data)) {
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security_context = LASSO_IDWSF2_DISCO_SECURITY_CONTEXT(i->data);
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if (security_context->Token != NULL) {
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sec_token = security_context->Token->data;
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if (LASSO_IS_SAML2_ASSERTION(sec_token->any)) {
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lasso_assign_gobject(assertion, sec_token->any);
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break;
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}
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}
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}
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}
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return assertion;
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}
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void
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lasso_session_id_wsf2_init_eprs(LassoSession *session, xmlNode *t)
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{
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xmlNode *t2;
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/* Endpoint References */
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if (strcmp((char*)t->name, "EndpointReferences") == 0) {
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t2 = t->children;
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while (t2) {
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LassoWsAddrEndpointReference *epr;
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if (t2->type != XML_ELEMENT_NODE) {
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t2 = t2->next;
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continue;
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}
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epr = LASSO_WSA_ENDPOINT_REFERENCE(
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lasso_wsa_endpoint_reference_new());
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LASSO_NODE_GET_CLASS(epr)->init_from_xml(LASSO_NODE(epr), t2);
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lasso_session_add_endpoint_reference(session, epr);
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g_object_unref(epr);
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t2 = t2->next;
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}
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}
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}
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static void
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add_childnode_from_hashtable(G_GNUC_UNUSED gchar *key, LassoNode *value, DumpContext *context)
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{
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xmlNode *xmlnode;
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xmlnode = context->parent;
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xmlAddChild(xmlnode, lasso_node_get_xmlNode(LASSO_NODE(value), TRUE));
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}
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void
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lasso_session_id_wsf2_dump_eprs(LassoSession *session, xmlNode *xmlnode) {
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xmlNode *t;
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DumpContext context;
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/* Endpoint References */
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if (session->private_data->eprs != NULL
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&& g_hash_table_size(session->private_data->eprs)) {
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t = xmlNewTextChild(xmlnode, NULL, (xmlChar*)"EndpointReferences", NULL);
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context.parent = t;
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g_hash_table_foreach(session->private_data->eprs,
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(GHFunc)add_childnode_from_hashtable, &context);
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}
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}
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