lasso/lasso/xml/saml-2.0/saml2_assertion.c

215 lines
7.7 KiB
C

/* $Id$
*
* Lasso - A free implementation of the Liberty Alliance specifications.
*
* Copyright (C) 2004-2007 Entr'ouvert
* http://lasso.entrouvert.org
*
* Authors: See AUTHORS file in top-level directory.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "../../utils.h"
#include "../private.h"
#include <xmlsec/xmldsig.h>
#include <xmlsec/templates.h>
#include <xmlsec/xmltree.h>
#include "saml2_assertion.h"
/**
* SECTION:saml2_assertion
* @short_description: &lt;saml2:Assertion&gt;
*
* <figure><title>Schema fragment for saml2:Assertion</title>
* <programlisting><![CDATA[
*
* <complexType name="AssertionType">
* <sequence>
* <element ref="saml:Issuer"/>
* <element ref="ds:Signature" minOccurs="0"/>
* <element ref="saml:Subject" minOccurs="0"/>
* <element ref="saml:Conditions" minOccurs="0"/>
* <element ref="saml:Advice" minOccurs="0"/>
* <choice minOccurs="0" maxOccurs="unbounded">
* <element ref="saml:Statement"/>
* <element ref="saml:AuthnStatement"/>
* <element ref="saml:AuthzDecisionStatement"/>
* <element ref="saml:AttributeStatement"/>
* </choice>
* </sequence>
* <attribute name="Version" type="string" use="required"/>
* <attribute name="ID" type="ID" use="required"/>
* <attribute name="IssueInstant" type="dateTime" use="required"/>
* </complexType>
* ]]></programlisting>
* </figure>
*/
/*****************************************************************************/
/* private methods */
/*****************************************************************************/
static struct XmlSnippet schema_snippets[] = {
{ "Issuer", SNIPPET_NODE,
G_STRUCT_OFFSET(LassoSaml2Assertion, Issuer),
"LassoSaml2NameID", NULL, NULL},
{ "Signature", SNIPPET_SIGNATURE,
G_STRUCT_OFFSET(LassoSaml2Assertion, ID), NULL, LASSO_DS_PREFIX, LASSO_DS_HREF},
{ "Subject", SNIPPET_NODE,
G_STRUCT_OFFSET(LassoSaml2Assertion, Subject), NULL, NULL, NULL},
{ "Conditions", SNIPPET_NODE,
G_STRUCT_OFFSET(LassoSaml2Assertion, Conditions), NULL, NULL, NULL},
{ "Advice", SNIPPET_NODE,
G_STRUCT_OFFSET(LassoSaml2Assertion, Advice), NULL, NULL, NULL},
{ "Statement", SNIPPET_LIST_NODES,
G_STRUCT_OFFSET(LassoSaml2Assertion, Statement), NULL, NULL, NULL},
{ "AuthnStatement", SNIPPET_LIST_NODES | SNIPPET_JUMP_ON_MATCH | SNIPPET_BACK_1,
G_STRUCT_OFFSET(LassoSaml2Assertion, AuthnStatement), NULL, NULL, NULL},
{ "AuthzDecisionStatement", SNIPPET_LIST_NODES | SNIPPET_JUMP_ON_MATCH | SNIPPET_BACK_2,
G_STRUCT_OFFSET(LassoSaml2Assertion, AuthzDecisionStatement), NULL, NULL, NULL},
{ "AttributeStatement", SNIPPET_LIST_NODES | SNIPPET_JUMP_ON_MATCH | SNIPPET_BACK_3,
G_STRUCT_OFFSET(LassoSaml2Assertion, AttributeStatement), NULL, NULL, NULL},
{ "Version", SNIPPET_ATTRIBUTE,
G_STRUCT_OFFSET(LassoSaml2Assertion, Version), NULL, NULL, NULL},
{ "ID", SNIPPET_ATTRIBUTE,
G_STRUCT_OFFSET(LassoSaml2Assertion, ID), NULL, NULL, NULL},
{ "IssueInstant", SNIPPET_ATTRIBUTE,
G_STRUCT_OFFSET(LassoSaml2Assertion, IssueInstant), NULL, NULL, NULL},
/* hidden fields; used in lasso dumps */
{ "SignType", SNIPPET_ATTRIBUTE | SNIPPET_INTEGER | SNIPPET_LASSO_DUMP,
G_STRUCT_OFFSET(LassoSaml2Assertion, sign_type), NULL, NULL, NULL},
{ "SignMethod", SNIPPET_ATTRIBUTE | SNIPPET_INTEGER | SNIPPET_LASSO_DUMP,
G_STRUCT_OFFSET(LassoSaml2Assertion, sign_method), NULL, NULL, NULL},
{ "PrivateKeyFile", SNIPPET_CONTENT | SNIPPET_LASSO_DUMP,
G_STRUCT_OFFSET(LassoSaml2Assertion, private_key_file), NULL, NULL, NULL},
{ "CertificateFile", SNIPPET_CONTENT | SNIPPET_LASSO_DUMP,
G_STRUCT_OFFSET(LassoSaml2Assertion, certificate_file), NULL, NULL, NULL},
{ "EncryptionActivated", SNIPPET_ATTRIBUTE | SNIPPET_BOOLEAN | SNIPPET_LASSO_DUMP,
G_STRUCT_OFFSET(LassoSaml2Assertion, encryption_activated), NULL, NULL, NULL},
{ "EncryptionPublicKeyStr", SNIPPET_CONTENT | SNIPPET_LASSO_DUMP,
G_STRUCT_OFFSET(LassoSaml2Assertion, encryption_public_key_str), NULL, NULL, NULL},
{ "EncryptionSymKeyType", SNIPPET_ATTRIBUTE | SNIPPET_INTEGER | SNIPPET_LASSO_DUMP,
G_STRUCT_OFFSET(LassoSaml2Assertion, encryption_sym_key_type), NULL, NULL, NULL},
{NULL, 0, 0, NULL, NULL, NULL}
};
static LassoNodeClass *parent_class = NULL;
static xmlNode*
get_xmlNode(LassoNode *node, gboolean lasso_dump)
{
xmlNode *xmlnode, *original_xmlnode;
/* If assertion has been deserialized and contain a signature, dump it from the
* original xmlnode. */
original_xmlnode = lasso_node_get_original_xmlnode(node);
while (original_xmlnode) {
xmlNode *signature, *signature_value;
signature = xmlSecFindChild(original_xmlnode, xmlSecNodeSignature, xmlSecDSigNs);
if (! signature)
break;
signature_value = xmlSecFindNode(signature, xmlSecNodeSignatureValue, xmlSecDSigNs);
if (signature_value && signature_value->children) {
return xmlCopyNode(original_xmlnode, 1);
}
break;
}
xmlnode = parent_class->get_xmlNode(node, lasso_dump);
return xmlnode;
}
/*****************************************************************************/
/* instance and class init functions */
/*****************************************************************************/
static void
instance_init(LassoSaml2Assertion *node, G_GNUC_UNUSED void *unused)
{
node->sign_type = LASSO_SIGNATURE_TYPE_NONE;
node->encryption_sym_key_type = LASSO_ENCRYPTION_SYM_KEY_TYPE_DEFAULT;
}
static void
class_init(LassoSaml2AssertionClass *klass, void *unused G_GNUC_UNUSED)
{
LassoNodeClass *nclass = LASSO_NODE_CLASS(klass);
parent_class = g_type_class_peek_parent(klass);
nclass->get_xmlNode = get_xmlNode;
nclass->node_data = g_new0(LassoNodeClassData, 1);
lasso_node_class_set_nodename(nclass, "Assertion");
lasso_node_class_set_ns(nclass,LASSO_SAML2_ASSERTION_HREF, LASSO_SAML2_ASSERTION_PREFIX);
lasso_node_class_add_snippets(nclass, schema_snippets);
nclass->node_data->id_attribute_name = "ID";
nclass->node_data->id_attribute_offset = G_STRUCT_OFFSET(LassoSaml2Assertion, ID);
nclass->node_data->sign_type_offset = G_STRUCT_OFFSET(
LassoSaml2Assertion, sign_type);
nclass->node_data->sign_method_offset = G_STRUCT_OFFSET(
LassoSaml2Assertion, sign_method);
nclass->node_data->private_key_file_offset = G_STRUCT_OFFSET(LassoSaml2Assertion,
private_key_file);
nclass->node_data->certificate_file_offset = G_STRUCT_OFFSET(LassoSaml2Assertion,
certificate_file);
nclass->node_data->keep_xmlnode = TRUE;
}
GType
lasso_saml2_assertion_get_type()
{
static GType this_type = 0;
if (!this_type) {
static const GTypeInfo this_info = {
sizeof (LassoSaml2AssertionClass),
NULL,
NULL,
(GClassInitFunc) class_init,
NULL,
NULL,
sizeof(LassoSaml2Assertion),
0,
(GInstanceInitFunc) instance_init,
NULL
};
this_type = g_type_register_static(LASSO_TYPE_NODE,
"LassoSaml2Assertion", &this_info, 0);
}
return this_type;
}
/**
* lasso_saml2_assertion_new:
*
* Creates a new #LassoSaml2Assertion object.
*
* Return value: a newly created #LassoSaml2Assertion object
**/
LassoNode*
lasso_saml2_assertion_new()
{
return g_object_new(LASSO_TYPE_SAML2_ASSERTION, NULL);
}