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/* $id: lib_authn_request.c,v 1.18 2004/11/26 14:13:02 fpeters Exp $
*
* 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 "private.h"
#include "lib_authn_request.h"
#include <libxml/uri.h>
#include "../utils.h"
/**
* SECTION:lib_authn_request
* @short_description: <lib:AuthnRequest>
* @see_also: #LassoLogin
*
* Authentication requests are sent from a service provider to an identity
* provider.
*
* <blockquote>
* The lib:AuthnRequest is defined as an extension of samlp:RequestAbstractType.
* The RequestID attribute in samlp:RequestAbstractType has uniqueness
* requirements placed on it by [SAMLCore11], which require it to have the
* properties of a nonce.
* </blockquote>
*
* <figure><title>Schema fragment for lib:AuthnRequest</title>
* <programlisting><![CDATA[
* <xs:element name="AuthnRequest" type="AuthnRequestType" />
* <xs:complexType name="AuthnRequestType">
* <xs:complexContent>
* <xs:extension base="samlp:RequestAbstractType">
* <xs:sequence>
* <xs:element ref="Extension" minOccurs="0" maxOccurs="unbounded"/>
* <xs:element ref="ProviderID"/>
* <xs:element ref="AffiliationID" minOccurs="0"/>
* <xs:element ref="NameIDPolicy" minOccurs="0"/>
* <xs:element name="ForceAuthn" type="xs:boolean" minOccurs="0"/>
* <xs:element name="IsPassive" type="xs:boolean "minOccurs="0"/>
* <xs:element ref="ProtocolProfile" minOccurs="0"/>
* <xs:element name="AssertionConsumerServiceID" type="xs:string" minOccurs="0"/>
* <xs:element ref="RequestAuthnContext" minOccurs="0"/>
* <xs:element ref="RelayState" minOccurs="0"/>
* <xs:element ref="Scoping" minOccurs="0 "/>
* </xs:sequence>
* <xs:attribute ref="consent" use="optional"/>
* </xs:extension>
* </xs:complexContent>
* </xs:complexType>
*
* <xs:element name="ProviderID" type="md:entityIDType"/>
* <xs:element name="AffiliationID" type="md:entityIDType"/>
*
* <xs:element name="NameIDPolicy" type="NameIDPolicyType"/>
* <xs:simpleType name="NameIDPolicyType">
* <xs:restriction base="xs:string">
* <xs:enumeration value="none"/>
* <xs:enumeration value="onetime"/>
* <xs:enumeration value="federated"/>
* <xs:enumeration value="any"/ >
* </xs:restriction>
* </xs:simpleType>
*
* <xs:element name="ProtocolProfile" type="xs:anyURI"/>
* <xs:element name="RelayState" type="xs:string"/>
* ]]></programlisting>
* </figure>
*/
/*****************************************************************************/
/* private methods */
/*****************************************************************************/
static struct XmlSnippet schema_snippets[] = {
{ "Extension", SNIPPET_EXTENSION, G_STRUCT_OFFSET(LassoLibAuthnRequest, Extension), NULL, NULL, NULL},
{ "ProviderID", SNIPPET_CONTENT, G_STRUCT_OFFSET(LassoLibAuthnRequest, ProviderID), NULL, NULL, NULL},
{ "AffiliationID", SNIPPET_CONTENT, G_STRUCT_OFFSET(LassoLibAuthnRequest, AffiliationID), NULL, NULL, NULL},
{ "NameIDPolicy", SNIPPET_CONTENT, G_STRUCT_OFFSET(LassoLibAuthnRequest, NameIDPolicy), NULL, NULL, NULL},
{ "ForceAuthn", SNIPPET_CONTENT | SNIPPET_BOOLEAN,
G_STRUCT_OFFSET(LassoLibAuthnRequest, ForceAuthn), NULL, NULL, NULL},
{ "IsPassive", SNIPPET_CONTENT | SNIPPET_BOOLEAN,
G_STRUCT_OFFSET(LassoLibAuthnRequest, IsPassive), NULL, NULL, NULL},
{ "ProtocolProfile", SNIPPET_CONTENT,
G_STRUCT_OFFSET(LassoLibAuthnRequest, ProtocolProfile), NULL, NULL, NULL},
{ "AssertionConsumerServiceID", SNIPPET_CONTENT,
G_STRUCT_OFFSET(LassoLibAuthnRequest, AssertionConsumerServiceID), NULL, NULL, NULL},
{ "RequestAuthnContext", SNIPPET_NODE,
G_STRUCT_OFFSET(LassoLibAuthnRequest, RequestAuthnContext), NULL, NULL, NULL},
{ "RelayState", SNIPPET_CONTENT, G_STRUCT_OFFSET(LassoLibAuthnRequest, RelayState), NULL, NULL, NULL},
{ "Scoping", SNIPPET_NODE, G_STRUCT_OFFSET(LassoLibAuthnRequest, Scoping), NULL, NULL, NULL},
{ "consent", SNIPPET_ATTRIBUTE, G_STRUCT_OFFSET(LassoLibAuthnRequest, consent), NULL, NULL, NULL},
{NULL, 0, 0, NULL, NULL, NULL}
};
static struct QuerySnippet query_snippets[] = {
{ "RequestID", NULL },
{ "MajorVersion", NULL },
{ "MinorVersion", NULL },
{ "IssueInstant", NULL },
{ "ProviderID", NULL },
{ "AffiliationID", NULL },
{ "ForceAuthn", NULL },
{ "IsPassive", NULL },
{ "NameIDPolicy", NULL },
{ "ProtocolProfile", NULL },
{ "AssertionConsumerServiceID", NULL },
{ "RequestAuthnContext/AuthnContextStatementRef", "AuthnContextStatementRef" },
{ "RequestAuthnContext/AuthnContextClassRef", "AuthnContextClassRef" },
{ "RequestAuthnContext/AuthnContextComparison", "AuthnContextComparison" },
{ "RelayState", NULL },
{ "Scoping/ProxyCount", "ProxyCount" },
{ "Scoping/IDPList/IDPEntries", "IDPEntries" },
{ "Scoping/IDPList/GetComplete", "GetComplete" },
{ "consent", NULL },
{ "Extension", NULL },
{ NULL, NULL }
};
static LassoNodeClass *parent_class = NULL;
static gboolean
init_from_query(LassoNode *node, char **query_fields)
{
LassoLibAuthnRequest *request = LASSO_LIB_AUTHN_REQUEST(node);
gboolean rc;
request->RequestAuthnContext = lasso_lib_request_authn_context_new();
/* XXX needs code for Scoping, IDPList, IDPEntries... */
rc = parent_class->init_from_query(node, query_fields);
if (request->RequestAuthnContext->AuthnContextClassRef == NULL &&
request->RequestAuthnContext->AuthnContextStatementRef == NULL &&
request->RequestAuthnContext->AuthnContextComparison == NULL) {
lasso_release_gobject(request->RequestAuthnContext);
}
if (request->ProviderID == NULL)
return FALSE;
return rc;
}
/*****************************************************************************/
/* instance and class init functions */
/*****************************************************************************/
static void
instance_init(LassoLibAuthnRequest *node)
{
node->IsPassive = TRUE;
}
static void
class_init(LassoLibAuthnRequestClass *klass)
{
LassoNodeClass *nclass = LASSO_NODE_CLASS(klass);
parent_class = g_type_class_peek_parent(klass);
nclass->init_from_query = init_from_query;
nclass->node_data = g_new0(LassoNodeClassData, 1);
lasso_node_class_set_nodename(nclass, "AuthnRequest");
lasso_node_class_set_ns(nclass, LASSO_LIB_HREF, LASSO_LIB_PREFIX);
lasso_node_class_add_snippets(nclass, schema_snippets);
lasso_node_class_add_query_snippets(nclass, query_snippets);
}
GType
lasso_lib_authn_request_get_type()
{
static GType this_type = 0;
if (!this_type) {
static const GTypeInfo this_info = {
sizeof (LassoLibAuthnRequestClass),
NULL,
NULL,
(GClassInitFunc) class_init,
NULL,
NULL,
sizeof(LassoLibAuthnRequest),
0,
(GInstanceInitFunc) instance_init,
NULL
};
this_type = g_type_register_static(LASSO_TYPE_SAMLP_REQUEST_ABSTRACT,
"LassoLibAuthnRequest", &this_info, 0);
}
return this_type;
}
/**
* lasso_lib_authn_request_new:
*
* Creates a new #LassoLibAuthnRequest object.
*
* Return value: a newly created #LassoLibAuthnRequest object
**/
LassoLibAuthnRequest*
lasso_lib_authn_request_new()
{
return g_object_new(LASSO_TYPE_LIB_AUTHN_REQUEST, NULL);
}
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