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/* $Id$
*
* Lasso - A free implementation of the Samlerty 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 <xmlsec/xmltree.h>
#include <xmlsec/xmldsig.h>
#include <xmlsec/templates.h>
#include <lasso/xml/saml_assertion.h>
/*
* Schema fragment (oasis-sstc-saml-schema-assertion-1.0.xsd):
*
* <element name="Assertion" type="saml:AssertionType"/>
* <complexType name="AssertionType">
* <sequence>
* <element ref="saml:Conditions" minOccurs="0"/>
* <element ref="saml:Advice" minOccurs="0"/>
* <choice maxOccurs="unbounded">
* <element ref="saml:Statement"/>
* <element ref="saml:SubjectStatement"/>
* <element ref="saml:AuthenticationStatement"/>
* <element ref="saml:AuthorizationDecisionStatement"/>
* <element ref="saml:AttributeStatement"/>
* </choice>
* <element ref="ds:Signature" minOccurs="0"/>
* </sequence>
* <attribute name="MajorVersion" type="integer" use="required"/>
* <attribute name="MinorVersion" type="integer" use="required"/>
* <attribute name="AssertionID" type="saml:IDType" use="required"/>
* <attribute name="Issuer" type="string" use="required"/>
* <attribute name="IssueInstant" type="dateTime" use="required"/>
* </complexType>
*
* From oasis-sstc-saml-schema-assertion-1.0.xsd:
* <simpleType name="IDType">
* <restriction base="string"/>
* </simpleType>
*/
/*****************************************************************************/
/* private methods */
/*****************************************************************************/
static struct XmlSnippet schema_snippets[] = {
{ "Conditions", SNIPPET_NODE, G_STRUCT_OFFSET(LassoSamlAssertion, Conditions) },
{ "Advice", SNIPPET_NODE, G_STRUCT_OFFSET(LassoSamlAssertion, Advice) },
{ "SubjectStatement", SNIPPET_NODE,G_STRUCT_OFFSET(LassoSamlAssertion, SubjectStatement) },
{ "AuthenticationStatement", SNIPPET_NODE,
G_STRUCT_OFFSET(LassoSamlAssertion, AuthenticationStatement) },
{ "AttributeStatement", SNIPPET_NODE,
G_STRUCT_OFFSET(LassoSamlAssertion, AttributeStatement) },
{ "Signature", SNIPPET_SIGNATURE,
G_STRUCT_OFFSET(LassoSamlAssertion, AssertionID) },
{ "MajorVersion", SNIPPET_ATTRIBUTE | SNIPPET_INTEGER,
G_STRUCT_OFFSET(LassoSamlAssertion, MajorVersion) },
{ "MinorVersion", SNIPPET_ATTRIBUTE | SNIPPET_INTEGER,
G_STRUCT_OFFSET(LassoSamlAssertion, MinorVersion) },
{ "AssertionID", SNIPPET_ATTRIBUTE, G_STRUCT_OFFSET(LassoSamlAssertion, AssertionID) },
{ "Issuer", SNIPPET_ATTRIBUTE, G_STRUCT_OFFSET(LassoSamlAssertion, Issuer) },
{ "IssueInstant", SNIPPET_ATTRIBUTE, G_STRUCT_OFFSET(LassoSamlAssertion, IssueInstant) },
/* hidden fields; use in lasso dumps */
{ "SignType", SNIPPET_ATTRIBUTE | SNIPPET_INTEGER | SNIPPET_LASSO_DUMP,
G_STRUCT_OFFSET(LassoSamlAssertion, sign_type) },
{ "SignMethod", SNIPPET_ATTRIBUTE | SNIPPET_INTEGER | SNIPPET_LASSO_DUMP,
G_STRUCT_OFFSET(LassoSamlAssertion, sign_method) },
{ "PrivateKeyFile", SNIPPET_CONTENT | SNIPPET_LASSO_DUMP,
G_STRUCT_OFFSET(LassoSamlAssertion, private_key_file) },
{ "CertificateFile", SNIPPET_CONTENT | SNIPPET_LASSO_DUMP,
G_STRUCT_OFFSET(LassoSamlAssertion, certificate_file) },
{ NULL, 0, 0}
};
static LassoNodeClass *parent_class = NULL;
static void
insure_namespace(xmlNode *xmlnode, xmlNs *ns)
{
/* insure children are kept in saml namespace */
char *typename;
xmlNode *t;
xmlNs *xsi_ns;
t = xmlnode->children;
while (t) {
if (t->type != XML_ELEMENT_NODE) {
t = t->next;
continue;
}
if (xmlnode->ns && strcmp(xmlnode->ns->href, LASSO_LIB_HREF) == 0) {
typename = g_strdup_printf("lib:%sType", xmlnode->name);
xmlSetNs(xmlnode, ns);
if (xmlHasNsProp(t, "type", LASSO_XSI_HREF) == NULL) {
xsi_ns = xmlNewNs(xmlnode, LASSO_XSI_HREF, LASSO_XSI_PREFIX);
xmlNewNsProp(xmlnode, xsi_ns, "type", typename);
}
g_free(typename);
}
insure_namespace(t, ns);
t = t->next;
}
}
static xmlNode*
get_xmlNode(LassoNode *node, gboolean lasso_dump)
{
LassoSamlAssertion *assertion = LASSO_SAML_ASSERTION(node);
xmlNode *xmlnode;
xmlNs *ns;
int rc;
xmlnode = parent_class->get_xmlNode(node, lasso_dump);
ns = xmlSearchNs(NULL, xmlnode, "saml");
insure_namespace(xmlnode, ns);
if (lasso_dump == FALSE && assertion->sign_type) {
rc = lasso_sign_node(xmlnode, "AssertionID", assertion->AssertionID,
assertion->private_key_file, assertion->certificate_file);
/* signature may have failed; what to do ? */
}
return xmlnode;
}
/*****************************************************************************/
/* instance and class init functions */
/*****************************************************************************/
static void
instance_init(LassoSamlAssertion *assertion)
{
}
static void
class_init(LassoSamlAssertionClass *klass)
{
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_SAML_ASSERTION_HREF, LASSO_SAML_ASSERTION_PREFIX);
lasso_node_class_add_snippets(nclass, schema_snippets);
nclass->node_data->sign_type_offset = G_STRUCT_OFFSET(LassoSamlAssertion, sign_type);
nclass->node_data->sign_method_offset = G_STRUCT_OFFSET(LassoSamlAssertion, sign_method);
}
GType
lasso_saml_assertion_get_type()
{
static GType this_type = 0;
if (!this_type) {
static const GTypeInfo this_info = {
sizeof (LassoSamlAssertionClass),
NULL,
NULL,
(GClassInitFunc) class_init,
NULL,
NULL,
sizeof(LassoSamlAssertion),
0,
(GInstanceInitFunc) instance_init,
};
this_type = g_type_register_static(LASSO_TYPE_NODE,
"LassoSamlAssertion", &this_info, 0);
}
return this_type;
}
/**
* lasso_saml_assertion_new:
*
* Creates a new #LassoSamlAssertion object.
*
* Return value: a newly created #LassoSamlAssertion object
**/
LassoSamlAssertion*
lasso_saml_assertion_new()
{
return g_object_new(LASSO_TYPE_SAML_ASSERTION, NULL);
}
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