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lasso/lasso/id-ff/federation_termination.c

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/* $Id$
*
* Lasso - A free implementation of the Liberty Alliance specifications.
*
* Copyright (C) 2004 Entr'ouvert
* http://lasso.entrouvert.org
*
* Authors: Nicolas Clapies <nclapies@entrouvert.com>
* Valery Febvre <vfebvre@easter-eggs.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <lasso/environs/federation_termination.h>
/*****************************************************************************/
/* public methods */
/*****************************************************************************/
gint
lasso_federation_termination_build_notification_msg(LassoFederationTermination *defederation)
{
LassoProfile *profile;
LassoProvider *provider;
xmlChar *protocolProfile;
lassoProviderType provider_type; /* use to get metadata */
g_return_val_if_fail(LASSO_IS_FEDERATION_TERMINATION(defederation), -1);
profile = LASSO_PROFILE(defederation);
provider = lasso_server_get_provider_ref(profile->server, profile->remote_providerID);
if(provider == NULL) {
message(G_LOG_LEVEL_CRITICAL, "Provider %s not found\n", profile->remote_providerID);
return(-2);
}
if (profile->provider_type == lassoProviderTypeSp) {
provider_type = lassoProviderTypeIdp;
}
else {
provider_type = lassoProviderTypeSp;
}
/* get the prototocol profile of the federation termination notification */
protocolProfile = lasso_provider_get_federationTerminationNotificationProtocolProfile(provider,
provider_type,
NULL);
if(protocolProfile == NULL) {
message(G_LOG_LEVEL_CRITICAL, "Federation termination notification protocol profile not found\n");
return(-3);
}
if(xmlStrEqual(protocolProfile, lassoLibProtocolProfileSloSpSoap) || \
xmlStrEqual(protocolProfile, lassoLibProtocolProfileSloIdpSoap)) {
profile->request_type = lassoHttpMethodSoap;
profile->msg_url = lasso_provider_get_federationTerminationServiceURL(provider,
lassoProviderTypeIdp,
NULL);
if(profile->msg_url == NULL) {
message(G_LOG_LEVEL_CRITICAL, "Federation Termination Notification url not found\n");
return(-4);
}
profile->msg_body = lasso_node_export_to_soap(profile->request);
}
else if(xmlStrEqual(protocolProfile,lassoLibProtocolProfileSloSpHttp) || \
xmlStrEqual(protocolProfile,lassoLibProtocolProfileSloIdpHttp)) {
profile->request_type = lassoHttpMethodRedirect;
profile->msg_url = lasso_node_export_to_query(profile->request,
profile->server->signature_method,
profile->server->private_key);
profile->msg_body = NULL;
}
else {
message(G_LOG_LEVEL_CRITICAL, "Invalid protocol profile\n");
return(-5);
}
return(0);
}
void
lasso_federation_termination_destroy(LassoFederationTermination *defederation)
{
g_object_unref(G_OBJECT(defederation));
}
gint
lasso_federation_termination_init_notification(LassoFederationTermination *defederation,
gchar *remote_providerID)
{
LassoProfile *profile;
LassoFederation *federation;
LassoNode *nameIdentifier = NULL;
xmlChar *content = NULL, *nameQualifier = NULL, *format = NULL;
gint codeError = 0;
g_return_val_if_fail(LASSO_IS_FEDERATION_TERMINATION(defederation), -1);
profile = LASSO_PROFILE(defederation);
if (remote_providerID == NULL) {
message(G_LOG_LEVEL_INFO, "No remote provider id, get the remote provider id of the first federation\n");
profile->remote_providerID = lasso_identity_get_next_federation_remote_providerID(profile->identity);
}
else {
message(G_LOG_LEVEL_INFO, "A remote provider id for defederation notification : %s\n", remote_providerID);
profile->remote_providerID = g_strdup(remote_providerID);
}
if (profile->remote_providerID == NULL) {
message(G_LOG_LEVEL_CRITICAL, "No provider Id for init notification\n");
codeError = -1;
goto done;
}
/* get federation */
federation = lasso_identity_get_federation(profile->identity, profile->remote_providerID);
if (federation == NULL) {
message(G_LOG_LEVEL_CRITICAL, "Federation not found for %s\n", profile->remote_providerID);
codeError = -1;
goto done;
}
/* get the name identifier (!!! depend on the provider type : SP or IDP !!!)*/
switch(profile->provider_type) {
case lassoProviderTypeSp:
nameIdentifier = LASSO_NODE(lasso_federation_get_local_nameIdentifier(federation));
if(!nameIdentifier) {
nameIdentifier = LASSO_NODE(lasso_federation_get_remote_nameIdentifier(federation));
}
break;
case lassoProviderTypeIdp:
nameIdentifier = LASSO_NODE(lasso_federation_get_remote_nameIdentifier(federation));
if(!nameIdentifier) {
nameIdentifier = LASSO_NODE(lasso_federation_get_local_nameIdentifier(federation));
}
break;
default:
message(G_LOG_LEVEL_CRITICAL, "Invalid provider type\n");
}
lasso_federation_destroy(federation);
if(!nameIdentifier) {
message(G_LOG_LEVEL_CRITICAL, "Name identifier not found for %s\n", profile->remote_providerID);
codeError = -1;
goto done;
}
/* build the request */
content = lasso_node_get_content(nameIdentifier, NULL);
nameQualifier = lasso_node_get_attr_value(nameIdentifier, "NameQualifier", NULL);
format = lasso_node_get_attr_value(nameIdentifier, "Format", NULL);
profile->request = lasso_federation_termination_notification_new(profile->server->providerID,
content,
nameQualifier,
format);
if(profile->request == NULL) {
message(G_LOG_LEVEL_CRITICAL, "Error while creating the notification\n");
codeError = -1;
goto done;
}
done:
/* destroy allocated objects */
debug("Free content, nameQualifier, format and nameIdentifier vars\n");
xmlFree(content);
xmlFree(nameQualifier);
xmlFree(format);
lasso_node_destroy(nameIdentifier);
return(codeError);
}
gint
lasso_federation_termination_load_notification_msg(LassoFederationTermination *defederation,
gchar *notification_msg,
lassoHttpMethod notification_method)
{
LassoProfile *profile;
g_return_val_if_fail(LASSO_IS_FEDERATION_TERMINATION(defederation), -1);
g_return_val_if_fail(notification_msg!=NULL, -2);
profile = LASSO_PROFILE(defederation);
switch(notification_method){
case lassoHttpMethodSoap:
debug("Build a federation termination notification from soap msg\n");
profile->request = lasso_federation_termination_notification_new_from_export(notification_msg, lassoNodeExportTypeSoap);
break;
case lassoHttpMethodRedirect:
debug("Build a federation termination notification from query msg\n");
profile->request = lasso_federation_termination_notification_new_from_export(notification_msg, lassoNodeExportTypeQuery);
break;
default:
message(G_LOG_LEVEL_CRITICAL, "Invalid notification method\n");
return(-3);
}
if(profile->request==NULL){
message(G_LOG_LEVEL_CRITICAL, "Error while building the notification from msg\n");
return(-4);
}
/* get the NameIdentifier to load identity dump */
profile->nameIdentifier = lasso_node_get_child_content(profile->request,
"NameIdentifier", NULL, NULL);
/* get the RelayState */
profile->msg_relayState = lasso_node_get_child_content(profile->request,
"RelayState", NULL, NULL);
return(0);
}
gint
lasso_federation_termination_process_notification(LassoFederationTermination *defederation)
{
LassoProfile *profile;
LassoFederation *federation;
LassoNode *nameIdentifier;
profile = LASSO_PROFILE(defederation);
if(profile->request == NULL){
message(G_LOG_LEVEL_CRITICAL, "Request not found\n");
return(-1);
}
/* set the remote provider id from the request */
profile->remote_providerID = lasso_node_get_child_content(profile->request, "ProviderID",
NULL, NULL);
if(profile->remote_providerID == NULL) {
message(G_LOG_LEVEL_CRITICAL, "Remote provider id not found\n");
return(-1);
}
nameIdentifier = lasso_node_get_child(profile->request, "NameIdentifier",
NULL, NULL);
if(nameIdentifier == NULL) {
message(G_LOG_LEVEL_CRITICAL, "Name identifier not found in request\n");
return(-1);
}
/* Verify federation */
if (profile->identity == NULL) {
message(G_LOG_LEVEL_CRITICAL, "Identity environ not found\n");
return(-1);
}
federation = lasso_identity_get_federation(profile->identity, profile->remote_providerID);
if (federation == NULL) {
message(G_LOG_LEVEL_WARNING, "No federation for %s\n", profile->remote_providerID);
return(-1);
}
if (lasso_federation_verify_nameIdentifier(federation, nameIdentifier) == FALSE) {
message(G_LOG_LEVEL_WARNING, "No name identifier for %s\n", profile->remote_providerID);
return(-1);
}
lasso_federation_destroy(federation);
/* remove federation of the remote provider */
lasso_identity_remove_federation(profile->identity, profile->remote_providerID);
return(0);
}
/*****************************************************************************/
/* instance and class init functions */
/*****************************************************************************/
static void
lasso_federation_termination_instance_init(LassoFederationTermination *defederation)
{
}
static void
lasso_federation_termination_class_init(LassoFederationTerminationClass *class)
{
}
GType lasso_federation_termination_get_type() {
static GType this_type = 0;
if (!this_type) {
static const GTypeInfo this_info = {
sizeof (LassoFederationTerminationClass),
NULL,
NULL,
(GClassInitFunc) lasso_federation_termination_class_init,
NULL,
NULL,
sizeof(LassoFederationTermination),
0,
(GInstanceInitFunc) lasso_federation_termination_instance_init,
};
this_type = g_type_register_static(LASSO_TYPE_PROFILE,
"LassoFederationTermination",
&this_info, 0);
}
return this_type;
}
LassoFederationTermination*
lasso_federation_termination_new(LassoServer *server,
gint provider_type)
{
LassoFederationTermination *defederation;
g_return_val_if_fail(LASSO_IS_SERVER(server), NULL);
/* set the federation_termination object */
defederation = g_object_new(LASSO_TYPE_FEDERATION_TERMINATION,
"server", lasso_server_copy(server),
"provider_type", provider_type,
NULL);
return(defederation);
}
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