1427 lines
45 KiB
C
1427 lines
45 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 Entr'ouvert
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* http://lasso.entrouvert.org
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*
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* Authors: Nicolas Clapies <nclapies@entrouvert.com>
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* Valery Febvre <vfebvre@easter-eggs.com>
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <xmlsec/base64.h>
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#include <lasso/xml/lib_authentication_statement.h>
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#include <lasso/xml/lib_subject.h>
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#include <lasso/id-ff/login.h>
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#include <lasso/id-ff/provider.h>
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struct _LassoLoginPrivate
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{
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gboolean dispose_has_run;
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};
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/*****************************************************************************/
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/* static methods/functions */
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/*****************************************************************************/
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/**
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* lasso_login_build_assertion:
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* @login: a Login
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* @federation: a federation or NULL
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* @authenticationMethod: the authentication method.
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* @authenticationInstant: the time at which the authentication took place or NULL.
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* @reauthenticateOnOrAfter: the time at, or after which the service provider
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* reauthenticates the Principal with the identity provider or NULL.
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* @notBefore: the earliest time instant at which the assertion is valid or NULL.
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* @notOnOrAfter: the time instant at which the assertion has expired or NULL.
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*
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* Builds an assertion.
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* Assertion is stored in session property. If session property is NULL, a new
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* session is build before.
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* The NameIdentifier of the assertion is stored into nameIdentifier proprerty.
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* If @authenticationInstant is NULL, the current time will be set.
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* Time values must be encoded in UTC.
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*
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* Return value: 0 on success or a negative value otherwise.
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**/
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static gint
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lasso_login_build_assertion(LassoLogin *login,
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LassoFederation *federation,
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const char *authenticationMethod,
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const char *authenticationInstant,
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const char *reauthenticateOnOrAfter,
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const char *notBefore,
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const char *notOnOrAfter)
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{
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LassoLibAssertion *assertion;
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LassoLibAuthenticationStatement *as;
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LassoSamlNameIdentifier *nameIdentifier;
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LassoProfile *profile;
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gint ret = 0;
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g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
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/* federation MAY be NULL */
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profile = LASSO_PROFILE(login);
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/*
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get RequestID to build Assertion
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it may be NULL when the Identity provider initiates SSO.
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in this case, no InResponseTo will be added in assertion
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(XXX: what does that mean ? would profile->request also be NULL?)
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*/
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assertion = lasso_lib_assertion_new_full(
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LASSO_PROVIDER(profile->server)->ProviderID,
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LASSO_SAMLP_REQUEST_ABSTRACT(profile->request)->RequestID,
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profile->remote_providerID,
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notBefore, notOnOrAfter);
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if (strcmp(login->nameIDPolicy, LASSO_LIB_NAMEID_POLICY_TYPE_ONE_TIME) == 0) {
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/* if NameIDPolicy is 'onetime', don't use a federation */
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nameIdentifier = lasso_saml_name_identifier_new();
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nameIdentifier->content = lasso_build_unique_id(32);
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nameIdentifier->NameQualifier = LASSO_PROVIDER(profile->server)->ProviderID;
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nameIdentifier->Format = LASSO_LIB_NAME_IDENTIFIER_FORMAT_ONE_TIME;
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as = lasso_lib_authentication_statement_new_full(authenticationMethod,
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authenticationInstant, reauthenticateOnOrAfter,
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NULL, nameIdentifier);
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profile->nameIdentifier = g_strdup(nameIdentifier->content);
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} else {
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as = lasso_lib_authentication_statement_new_full(authenticationMethod,
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authenticationInstant, reauthenticateOnOrAfter,
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federation->remote_nameIdentifier,
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federation->local_nameIdentifier);
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}
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if (as == NULL) {
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return -1;
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}
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LASSO_SAML_ASSERTION(assertion)->AuthenticationStatement =
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LASSO_SAML_AUTHENTICATION_STATEMENT(as);
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/* FIXME : How to know if the assertion must be signed or unsigned ? */
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/* signature should be added at end */
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ret = lasso_saml_assertion_set_signature(LASSO_SAML_ASSERTION(assertion),
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profile->server->signature_method,
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profile->server->private_key,
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profile->server->certificate);
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if (ret)
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return ret;
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if (login->protocolProfile == LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_POST) {
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/* only add assertion if response is an AuthnResponse */
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LASSO_SAMLP_RESPONSE(profile->response)->Assertion =
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LASSO_SAML_ASSERTION(assertion);
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}
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/* store assertion in session object */
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if (profile->session == NULL) {
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profile->session = lasso_session_new();
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}
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lasso_session_add_assertion(profile->session, profile->remote_providerID,
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LASSO_SAML_ASSERTION(assertion));
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return 0;
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}
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/**
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* lasso_login_must_ask_for_consent_private:
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* @login: a LassoLogin
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*
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* Evaluates if it is necessary to ask the consent of the Principal.
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* This method doesn't take the isPassive value into account.
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*
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* Return value: TRUE or FALSE
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**/
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static gboolean
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lasso_login_must_ask_for_consent_private(LassoLogin *login)
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{
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xmlChar *nameIDPolicy, *consent;
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LassoProfile *profile = LASSO_PROFILE(login);
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LassoFederation *federation = NULL;
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nameIDPolicy = LASSO_LIB_AUTHN_REQUEST(profile->request)->NameIDPolicy;
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if (nameIDPolicy == NULL || strcmp(nameIDPolicy, LASSO_LIB_NAMEID_POLICY_TYPE_NONE) == 0)
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return FALSE;
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if (strcmp(nameIDPolicy, LASSO_LIB_NAMEID_POLICY_TYPE_ONE_TIME) == 0)
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return FALSE;
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if (strcmp(nameIDPolicy, LASSO_LIB_NAMEID_POLICY_TYPE_FEDERATED) != 0 &&
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strcmp(nameIDPolicy, LASSO_LIB_NAMEID_POLICY_TYPE_ANY) != 0) {
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message(G_LOG_LEVEL_CRITICAL, "Unknown NameIDPolicy: %s", nameIDPolicy);
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/* we consider NameIDPolicy as empty (none value) if its value is unknown/invalid */
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return TRUE;
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}
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if (profile->identity != NULL) {
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federation = g_hash_table_lookup(profile->identity->federations,
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profile->remote_providerID);
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if (federation)
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return FALSE;
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}
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consent = LASSO_LIB_AUTHN_REQUEST(profile->request)->consent;
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if (consent == NULL)
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return TRUE;
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if (strcmp(consent, LASSO_LIB_CONSENT_OBTAINED) == 0)
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return FALSE;
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if (strcmp(consent, LASSO_LIB_CONSENT_OBTAINED_PRIOR) == 0)
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return FALSE;
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if (strcmp(consent, LASSO_LIB_CONSENT_OBTAINED_CURRENT_IMPLICIT) == 0)
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return FALSE;
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if (strcmp(consent, LASSO_LIB_CONSENT_OBTAINED_CURRENT_EXPLICIT) == 0)
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return FALSE;
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if (strcmp(consent, LASSO_LIB_CONSENT_UNAVAILABLE) == 0)
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return TRUE;
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if (strcmp(consent, LASSO_LIB_CONSENT_INAPPLICABLE) == 0)
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return TRUE;
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message(G_LOG_LEVEL_CRITICAL, "Unknown consent value: %s", consent);
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/* we consider consent as empty if its value is unknown/invalid */
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return TRUE;
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}
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/**
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* lasso_login_process_federation:
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* @login: a LassoLogin
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* @is_consent_obtained: is user consent obtained ?
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*
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* Return value: a positive value on success or a negative if an error occurs.
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**/
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static gint
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lasso_login_process_federation(LassoLogin *login, gboolean is_consent_obtained)
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{
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LassoFederation *federation = NULL;
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LassoProfile *profile = LASSO_PROFILE(login);
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char *nameIDPolicy;
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gint ret = 0;
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g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
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/* verify if identity already exists else create it */
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if (profile->identity == NULL) {
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profile->identity = lasso_identity_new();
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}
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/* get nameIDPolicy in lib:AuthnRequest */
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nameIDPolicy = LASSO_LIB_AUTHN_REQUEST(profile->request)->NameIDPolicy;
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if (nameIDPolicy == NULL)
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nameIDPolicy = LASSO_LIB_NAMEID_POLICY_TYPE_NONE;
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login->nameIDPolicy = g_strdup(nameIDPolicy);
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/* if nameIDPolicy is 'onetime' => nothing to do */
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if (strcmp(nameIDPolicy, LASSO_LIB_NAMEID_POLICY_TYPE_ONE_TIME) == 0) {
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return 0;
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}
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/* search a federation in the identity */
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federation = g_hash_table_lookup(LASSO_PROFILE(login)->identity->federations,
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LASSO_PROFILE(login)->remote_providerID);
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if (strcmp(nameIDPolicy, LASSO_LIB_NAMEID_POLICY_TYPE_NONE) == 0) {
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/* a federation MUST exist */
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if (federation == NULL) {
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/* if protocolProfile is LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_POST
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* set StatusCode to FederationDoesNotExist in lib:AuthnResponse
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*/
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if (login->protocolProfile == LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_POST) {
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lasso_profile_set_response_status(LASSO_PROFILE(login),
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LASSO_LIB_STATUS_CODE_FEDERATION_DOES_NOT_EXIST);
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}
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return LASSO_LOGIN_ERROR_FEDERATION_NOT_FOUND;
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}
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LASSO_PROFILE(login)->nameIdentifier = g_strdup(
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LASSO_SAML_NAME_IDENTIFIER(federation->local_nameIdentifier)->content);
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return 0;
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}
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if (strcmp(nameIDPolicy, LASSO_LIB_NAMEID_POLICY_TYPE_FEDERATED) != 0 &&
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strcmp(nameIDPolicy, LASSO_LIB_NAMEID_POLICY_TYPE_ANY) != 0) {
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message(G_LOG_LEVEL_CRITICAL, "unknown nameidpolicy");
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return LASSO_LOGIN_ERROR_INVALID_NAMEIDPOLICY;
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}
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/* consent is necessary, it should be obtained via consent attribute
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* in lib:AuthnRequest or IDP should ask the Principal
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*/
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if (lasso_login_must_ask_for_consent_private(login) && !is_consent_obtained) {
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if (strcmp(nameIDPolicy, LASSO_LIB_NAMEID_POLICY_TYPE_ANY) == 0) {
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/* if the NameIDPolicy element is 'any' and if the policy
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* for the Principal forbids federation, then evaluation
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* MAY proceed as if the value was 'onetime'.
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*/
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g_free(login->nameIDPolicy);
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login->nameIDPolicy = g_strdup(LASSO_LIB_NAMEID_POLICY_TYPE_ONE_TIME);
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return 0;
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}
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/* if protocolProfile is LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_POST
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* set StatusCode to FederationDoesNotExist in lib:AuthnResponse
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*/
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/* FIXME : is it the correct value for the StatusCode ? */
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if (login->protocolProfile == LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_POST) {
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lasso_profile_set_response_status(LASSO_PROFILE(login),
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LASSO_LIB_STATUS_CODE_FEDERATION_DOES_NOT_EXIST);
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}
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return LASSO_LOGIN_ERROR_CONSENT_NOT_OBTAINED;
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}
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if (federation == NULL) {
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federation = lasso_federation_new(LASSO_PROFILE(login)->remote_providerID);
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lasso_federation_build_local_nameIdentifier(federation,
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LASSO_PROVIDER(LASSO_PROFILE(login)->server)->ProviderID,
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LASSO_LIB_NAME_IDENTIFIER_FORMAT_FEDERATED,
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NULL);
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lasso_identity_add_federation(LASSO_PROFILE(login)->identity, federation);
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}
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LASSO_PROFILE(login)->nameIdentifier =
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g_strdup(LASSO_SAML_NAME_IDENTIFIER(federation->local_nameIdentifier)->content);
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return ret;
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}
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static gint
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lasso_login_process_response_status_and_assertion(LassoLogin *login)
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{
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LassoProvider *idp;
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LassoSamlpResponse *response;
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char *status_value;
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int ret;
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g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
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response = LASSO_SAMLP_RESPONSE(LASSO_PROFILE(login)->response);
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if (response->Status == NULL || ! LASSO_IS_SAMLP_STATUS(response->Status))
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return -1;
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if (response->Status->StatusCode == NULL)
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return -1;
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status_value = response->Status->StatusCode->Value;
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if (status_value == NULL) {
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/* XXX ? was ignored before ? */
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}
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if (status_value && strcmp(status_value, LASSO_SAML_STATUS_CODE_SUCCESS) != 0) {
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return -7; /* FIXME: proper error code */
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}
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if (response->Assertion) {
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LassoProfile *profile = LASSO_PROFILE(login);
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idp = g_hash_table_lookup(profile->server->providers, profile->remote_providerID);
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if (idp == NULL)
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return LASSO_ERROR_UNDEFINED;
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/* verify signature */
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/* FIXME detect X509Data ? */
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ret = lasso_node_verify_signature(LASSO_NODE(response->Assertion),
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idp->public_key, idp->ca_cert_chain);
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if (ret < 0)
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return ret;
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/* store NameIdentifier */
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profile->nameIdentifier = LASSO_SAML_SUBJECT_STATEMENT_ABSTRACT(
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response->Assertion->AuthenticationStatement
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)->Subject->NameIdentifier->content;
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if (LASSO_PROFILE(login)->nameIdentifier == NULL)
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return LASSO_ERROR_UNDEFINED;
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}
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return 0;
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}
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/*****************************************************************************/
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/* public methods */
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/*****************************************************************************/
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/**
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* lasso_login_accept_sso:
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* @login: a LassoLogin
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*
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* Gets the assertion of the response and adds it into the session.
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* Builds a federation with the 2 name identifiers of the assertion
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* and adds it into the identity.
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* If the session or the identity are NULL, they are created.
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*
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* Return value: 0 on success and a negative value otherwise.
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**/
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gint
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lasso_login_accept_sso(LassoLogin *login)
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{
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LassoProfile *profile;
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LassoSamlAssertion *assertion;
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LassoSamlNameIdentifier *ni, *idp_ni;
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LassoFederation *federation;
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LassoSamlSubjectStatementAbstract *authentication_statement;
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g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
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profile = LASSO_PROFILE(login);
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if (profile->identity == NULL)
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profile->identity = lasso_identity_new();
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if (profile->session == NULL)
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profile->session = lasso_session_new();
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if (profile->response == NULL)
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return -1;
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assertion = LASSO_SAMLP_RESPONSE(profile->response)->Assertion;
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if (assertion == NULL)
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return -1;
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lasso_session_add_assertion(profile->session, profile->remote_providerID, assertion);
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authentication_statement = LASSO_SAML_SUBJECT_STATEMENT_ABSTRACT(
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LASSO_SAMLP_RESPONSE(profile->response
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)->Assertion->AuthenticationStatement);
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ni = authentication_statement->Subject->NameIdentifier;
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if (ni == NULL)
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return -1;
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if (LASSO_IS_LIB_SUBJECT(authentication_statement->Subject)) {
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idp_ni = LASSO_LIB_SUBJECT(
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authentication_statement->Subject)->IDPProvidedNameIdentifier;
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}
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/* create federation, only if nameidentifier format is Federated */
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if (strcmp(ni->Format, LASSO_LIB_NAME_IDENTIFIER_FORMAT_FEDERATED) == 0) {
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federation = lasso_federation_new(LASSO_PROFILE(login)->remote_providerID);
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if (ni != NULL && idp_ni != NULL) {
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federation->local_nameIdentifier = g_object_ref(ni);
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federation->remote_nameIdentifier = g_object_ref(idp_ni);
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} else {
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federation->remote_nameIdentifier = g_object_ref(ni);
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}
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/* add federation in identity */
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lasso_identity_add_federation(LASSO_PROFILE(login)->identity, federation);
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}
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return 0;
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}
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/**
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* lasso_login_build_artifact_msg:
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* @login: a LassoLogin
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* @authentication_result: whether the principal is authenticated.
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* @is_consent_obtained: whether the principal consents to be federated.
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* @authenticationMethod: the authentication method
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* @authenticationInstant: the time at which the authentication took place
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* @reauthenticateOnOrAfter: the time at, or after which the service provider
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* reauthenticates the Principal with the identity provider or NULL
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* @notBefore: the earliest time instant at which the assertion is valid
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* @notOnOrAfter: the time instant at which the assertion has expired
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*
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* @http_method: the HTTP method to send the artifact (REDIRECT or POST)
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*
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* Builds an artifact. Depending of the HTTP method, the data for the sending of
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* the artifact are stored in msg_url (REDIRECT) or msg_url, msg_body and
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* msg_relayState (POST).
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*
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* @authenticationMethod, @authenticationInstant, @reauthenticateOnOrAfter,
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* @notBefore, @notOnOrAfter should be NULL if @authentication_result is FALSE.
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* If @authenticationInstant is NULL, the current time will be set.
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*
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* Time values must be encoded in UTC.
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*
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* Return value: 0 on success and a negative value otherwise.
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**/
|
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gint
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lasso_login_build_artifact_msg(LassoLogin *login,
|
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gboolean authentication_result,
|
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gboolean is_consent_obtained,
|
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const char *authenticationMethod,
|
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const char *authenticationInstant,
|
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const char *reauthenticateOnOrAfter,
|
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const char *notBefore,
|
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const char *notOnOrAfter,
|
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lassoHttpMethod http_method)
|
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{
|
|
LassoFederation *federation = NULL;
|
|
LassoProvider *remote_provider;
|
|
gchar *url;
|
|
xmlSecByte samlArt[42], *b64_samlArt, *relayState;
|
|
xmlChar *identityProviderSuccinctID;
|
|
gint ret = 0;
|
|
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
|
|
if (http_method != LASSO_HTTP_METHOD_REDIRECT && http_method != LASSO_HTTP_METHOD_POST) {
|
|
message(G_LOG_LEVEL_CRITICAL,
|
|
lasso_strerror(LASSO_PROFILE_ERROR_INVALID_HTTP_METHOD));
|
|
return LASSO_PROFILE_ERROR_INVALID_HTTP_METHOD;
|
|
}
|
|
|
|
/* ProtocolProfile must be BrwsArt */
|
|
if (login->protocolProfile != LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_ART) {
|
|
message(G_LOG_LEVEL_CRITICAL,
|
|
lasso_strerror(LASSO_PROFILE_ERROR_INVALID_PROTOCOLPROFILE));
|
|
return LASSO_PROFILE_ERROR_INVALID_PROTOCOLPROFILE;
|
|
}
|
|
|
|
/* process federation and build assertion only if signature is OK */
|
|
if (LASSO_PROFILE(login)->signature_status == 0 && authentication_result == TRUE) {
|
|
ret = lasso_login_process_federation(login, is_consent_obtained);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* fill the response with the assertion */
|
|
if (ret == 0) {
|
|
federation = g_hash_table_lookup(
|
|
LASSO_PROFILE(login)->identity->federations,
|
|
LASSO_PROFILE(login)->remote_providerID);
|
|
lasso_login_build_assertion(login, federation, authenticationMethod,
|
|
authenticationInstant, reauthenticateOnOrAfter,
|
|
notBefore, notOnOrAfter);
|
|
}
|
|
}
|
|
|
|
if (LASSO_PROFILE(login)->remote_providerID == NULL)
|
|
return -1;
|
|
|
|
/* build artifact infos */
|
|
remote_provider = g_hash_table_lookup(LASSO_PROFILE(login)->server->providers,
|
|
LASSO_PROFILE(login)->remote_providerID);
|
|
/* liberty-idff-bindings-profiles-v1.2.pdf p.25 */
|
|
url = lasso_provider_get_metadata_one(remote_provider, "AssertionConsumerServiceURL");
|
|
identityProviderSuccinctID = lasso_sha1(
|
|
LASSO_PROVIDER(LASSO_PROFILE(login)->server)->ProviderID);
|
|
|
|
memcpy(samlArt, "\000\003", 2); /* type code */
|
|
memcpy(samlArt+2, identityProviderSuccinctID, 20);
|
|
lasso_build_random_sequence(samlArt+22, 20);
|
|
|
|
xmlFree(identityProviderSuccinctID);
|
|
b64_samlArt = xmlSecBase64Encode(samlArt, 42, 0);
|
|
relayState = xmlURIEscapeStr(
|
|
LASSO_LIB_AUTHN_REQUEST(LASSO_PROFILE(login)->request)->RelayState, NULL);
|
|
|
|
if (http_method == LASSO_HTTP_METHOD_REDIRECT) {
|
|
if (relayState == NULL) {
|
|
LASSO_PROFILE(login)->msg_url = g_strdup_printf(
|
|
"%s?SAMLart=%s", url, b64_samlArt);
|
|
} else {
|
|
LASSO_PROFILE(login)->msg_url = g_strdup_printf(
|
|
"%s?SAMLart=%s&RelayState=%s",
|
|
url, b64_samlArt, relayState);
|
|
}
|
|
}
|
|
|
|
if (http_method == LASSO_HTTP_METHOD_POST) {
|
|
LASSO_PROFILE(login)->msg_url = g_strdup(url);
|
|
LASSO_PROFILE(login)->msg_body = g_strdup(b64_samlArt);
|
|
if (relayState != NULL) {
|
|
LASSO_PROFILE(login)->msg_relayState = g_strdup(relayState);
|
|
}
|
|
}
|
|
login->assertionArtifact = g_strdup(b64_samlArt);
|
|
xmlFree(url);
|
|
xmlFree(b64_samlArt);
|
|
xmlFree(relayState);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* lasso_login_build_authn_request_msg:
|
|
* @login: a LassoLogin
|
|
* @remote_providerID: the providerID of the identity provider or NULL
|
|
*
|
|
* Builds an authentication request. Depending of the selected HTTP method,
|
|
* the data for the sending of the request are stored in msg_url (GET) or
|
|
* msg_url and msg_body (POST).
|
|
*
|
|
* If remote_providerID is NULL, the providerID of the first provider
|
|
* of server is used.
|
|
*
|
|
* Return value: 0 on success and a negative value otherwise.
|
|
**/
|
|
gint
|
|
lasso_login_build_authn_request_msg(LassoLogin *login, const gchar *remote_providerID)
|
|
{
|
|
LassoProvider *provider, *remote_provider;
|
|
char *md_authnRequestsSigned, *url, *query, *lareq, *protocolProfile;
|
|
gboolean must_sign;
|
|
gint ret = 0;
|
|
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
|
|
if (remote_providerID != NULL) {
|
|
LASSO_PROFILE(login)->remote_providerID = g_strdup(remote_providerID);
|
|
} else {
|
|
LASSO_PROFILE(login)->remote_providerID = lasso_server_get_first_providerID(
|
|
LASSO_PROFILE(login)->server);
|
|
}
|
|
|
|
provider = LASSO_PROVIDER(LASSO_PROFILE(login)->server);
|
|
remote_provider = g_hash_table_lookup(LASSO_PROFILE(login)->server->providers,
|
|
LASSO_PROFILE(login)->remote_providerID);
|
|
if (remote_provider == NULL) {
|
|
return -1; /* XXX */
|
|
}
|
|
|
|
protocolProfile = LASSO_LIB_AUTHN_REQUEST(LASSO_PROFILE(login)->request)->ProtocolProfile;
|
|
if (protocolProfile == NULL)
|
|
protocolProfile = LASSO_LIB_PROTOCOL_PROFILE_BRWS_ART;
|
|
|
|
if (lasso_provider_has_protocol_profile(remote_provider,
|
|
LASSO_MD_PROTOCOL_TYPE_SINGLE_SIGN_ON, protocolProfile) == FALSE) {
|
|
return LASSO_PROFILE_ERROR_UNSUPPORTED_PROFILE;
|
|
}
|
|
|
|
/* check if authnRequest must be signed */
|
|
md_authnRequestsSigned = lasso_provider_get_metadata_one(provider, "AuthnRequestsSigned");
|
|
must_sign = (md_authnRequestsSigned && strcmp(md_authnRequestsSigned, "true") == 0);
|
|
g_free(md_authnRequestsSigned);
|
|
|
|
if (login->http_method == LASSO_HTTP_METHOD_REDIRECT) {
|
|
/* REDIRECT -> query */
|
|
if (must_sign) {
|
|
query = lasso_node_export_to_query(LASSO_PROFILE(login)->request,
|
|
LASSO_PROFILE(login)->server->signature_method,
|
|
LASSO_PROFILE(login)->server->private_key);
|
|
}
|
|
if (query == NULL) {
|
|
message(G_LOG_LEVEL_CRITICAL, "Failed to create AuthnRequest query");
|
|
return -3;
|
|
}
|
|
|
|
/* get SingleSignOnServiceURL metadata */
|
|
url = lasso_provider_get_metadata_one(remote_provider, "SingleSignOnServiceURL");
|
|
if (url == NULL) {
|
|
return -1; /* XXX */
|
|
}
|
|
|
|
/* alloc msg_url (+2 for the ? and \0) */
|
|
LASSO_PROFILE(login)->msg_url = g_strdup_printf("%s?%s", url, query);
|
|
LASSO_PROFILE(login)->msg_body = NULL;
|
|
g_free(query);
|
|
g_free(url);
|
|
}
|
|
if (login->http_method == LASSO_HTTP_METHOD_POST) {
|
|
/* POST -> form */
|
|
#if 0 /* XXX: signatures are done differently */
|
|
if (must_sign) {
|
|
ret = lasso_samlp_request_abstract_sign_signature_tmpl(
|
|
LASSO_SAMLP_REQUEST_ABSTRACT(LASSO_PROFILE(login)->request),
|
|
LASSO_PROFILE(login)->server->private_key,
|
|
LASSO_PROFILE(login)->server->certificate);
|
|
if (ret < 0)
|
|
goto done;
|
|
}
|
|
#endif
|
|
lareq = lasso_node_export_to_base64(LASSO_PROFILE(login)->request);
|
|
|
|
if (lareq == NULL) {
|
|
message(G_LOG_LEVEL_CRITICAL,
|
|
"Failed to export AuthnRequest (Base64 encoded).");
|
|
return -5;
|
|
}
|
|
|
|
LASSO_PROFILE(login)->msg_url = lasso_provider_get_metadata_one(
|
|
remote_provider, "SingleSignOnServiceURL");
|
|
LASSO_PROFILE(login)->msg_body = lareq;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* lasso_login_build_authn_response_msg:
|
|
* @login: a LassoLogin
|
|
* @authentication_result: whether the principal is authenticated
|
|
* @is_consent_obtained: whether the principal consents to be federated
|
|
* @authenticationMethod: the method used to authenticate the principal
|
|
* @authenticationInstant: the time at which the authentication took place
|
|
* @reauthenticateOnOrAfter: the time at, or after which the service provider
|
|
* reauthenticates the Principal with the identity provider
|
|
* @notBefore: the earliest time instant at which the assertion is valid
|
|
* @notOnOrAfter: the time instant at which the assertion has expired
|
|
*
|
|
* Builds an authentication response. The data for the sending of the response
|
|
* are stored in msg_url and msg_body.
|
|
*
|
|
* @authenticationMethod, @authenticationInstant, @reauthenticateOnOrAfter,
|
|
* @notBefore, @notOnOrAfter should be NULL if @authentication_result is FALSE.
|
|
* If @authenticationInstant is NULL, the current time will be set.
|
|
*
|
|
* Time values must be encoded in UTC.
|
|
*
|
|
* Return value: 0 on success and a negative value otherwise.
|
|
**/
|
|
gint
|
|
lasso_login_build_authn_response_msg(LassoLogin *login,
|
|
gboolean authentication_result,
|
|
gboolean is_consent_obtained,
|
|
const char *authenticationMethod,
|
|
const char *authenticationInstant,
|
|
const char *reauthenticateOnOrAfter,
|
|
const char *notBefore,
|
|
const char *notOnOrAfter)
|
|
{
|
|
LassoProfile *profile;
|
|
LassoProvider *remote_provider;
|
|
LassoFederation *federation;
|
|
gint ret = 0;
|
|
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
|
|
profile = LASSO_PROFILE(login);
|
|
|
|
/* ProtocolProfile must be BrwsPost */
|
|
if (login->protocolProfile != LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_POST) {
|
|
message(G_LOG_LEVEL_CRITICAL,
|
|
lasso_strerror(LASSO_PROFILE_ERROR_INVALID_PROTOCOLPROFILE));
|
|
return LASSO_PROFILE_ERROR_INVALID_PROTOCOLPROFILE;
|
|
}
|
|
|
|
/* create LibAuthnResponse */
|
|
profile->response = lasso_lib_authn_response_new(
|
|
LASSO_PROVIDER(profile->server)->ProviderID,
|
|
LASSO_LIB_AUTHN_REQUEST(profile->request));
|
|
|
|
/* modify AuthnResponse StatusCode if user authentication is not OK */
|
|
if (authentication_result == FALSE) {
|
|
lasso_profile_set_response_status(profile,
|
|
LASSO_SAML_STATUS_CODE_REQUEST_DENIED);
|
|
}
|
|
|
|
/* if signature is not OK => modify AuthnResponse StatusCode */
|
|
if (profile->signature_status == LASSO_DS_ERROR_INVALID_SIGNATURE) {
|
|
lasso_profile_set_response_status(profile,
|
|
LASSO_LIB_STATUS_CODE_INVALID_SIGNATURE);
|
|
}
|
|
|
|
if (profile->signature_status == LASSO_DS_ERROR_SIGNATURE_NOT_FOUND) {
|
|
/* Unsigned AuthnRequest */
|
|
lasso_profile_set_response_status(profile,
|
|
LASSO_LIB_STATUS_CODE_UNSIGNED_AUTHN_REQUEST);
|
|
}
|
|
|
|
if (LASSO_PROFILE(login)->signature_status == 0 && authentication_result == TRUE) {
|
|
/* process federation */
|
|
ret = lasso_login_process_federation(login, is_consent_obtained);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* fill the response with the assertion */
|
|
if (ret == 0) {
|
|
federation = g_hash_table_lookup(
|
|
profile->identity->federations,
|
|
profile->remote_providerID);
|
|
lasso_login_build_assertion(login, federation,
|
|
authenticationMethod, authenticationInstant,
|
|
reauthenticateOnOrAfter,
|
|
notBefore, notOnOrAfter);
|
|
}
|
|
}
|
|
|
|
if (LASSO_SAMLP_RESPONSE(LASSO_PROFILE(login)->response)->Status == NULL) {
|
|
lasso_profile_set_response_status(profile,
|
|
LASSO_SAML_STATUS_CODE_SUCCESS);
|
|
}
|
|
|
|
remote_provider = g_hash_table_lookup(profile->server->providers,
|
|
profile->remote_providerID);
|
|
/* build an lib:AuthnResponse base64 encoded */
|
|
LASSO_PROFILE(login)->msg_body = lasso_node_export_to_base64(profile->response);
|
|
LASSO_PROFILE(login)->msg_url = lasso_provider_get_metadata_one(
|
|
remote_provider, "AssertionConsumerServiceURL");
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* lasso_login_build_request_msg:
|
|
* @login: a LassoLogin
|
|
*
|
|
* Builds a SOAP request message. The data for the sending of the request
|
|
* are stored in msg_url and msg_body.
|
|
*
|
|
* Return value: 0 on success and a negative value otherwise.
|
|
**/
|
|
gint
|
|
lasso_login_build_request_msg(LassoLogin *login)
|
|
{
|
|
LassoProvider *remote_provider;
|
|
LassoProfile *profile;
|
|
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
|
|
profile = LASSO_PROFILE(login);
|
|
|
|
LASSO_PROFILE(login)->msg_body = lasso_node_export_to_soap(profile->request,
|
|
profile->server->private_key, profile->server->certificate);
|
|
|
|
remote_provider = g_hash_table_lookup(profile->server->providers,
|
|
profile->remote_providerID);
|
|
if (remote_provider == NULL) {
|
|
message(G_LOG_LEVEL_CRITICAL, "Remote provider not found");
|
|
return -1;
|
|
}
|
|
profile->msg_url = lasso_provider_get_metadata_one(remote_provider, "SoapEndpoint");
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lasso_login_build_response_msg:
|
|
* @login: a LassoLogin
|
|
*
|
|
* Builds a SOAP response message. The data for the sending of the response
|
|
* are stored in msg_body.
|
|
*
|
|
* Return value: 0 on success or a negative value if an
|
|
**/
|
|
gint
|
|
lasso_login_build_response_msg(LassoLogin *login, gchar *remote_providerID)
|
|
{
|
|
LassoProvider *remote_provider;
|
|
LassoSamlAssertion *assertion;
|
|
gint ret = 0;
|
|
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), -1);
|
|
|
|
LASSO_PROFILE(login)->response = lasso_samlp_response_new();
|
|
|
|
if (remote_providerID != NULL) {
|
|
LASSO_PROFILE(login)->remote_providerID = g_strdup(remote_providerID);
|
|
remote_provider = g_hash_table_lookup(LASSO_PROFILE(login)->server->providers,
|
|
LASSO_PROFILE(login)->remote_providerID);
|
|
/* FIXME verify the SOAP request signature */
|
|
ret = lasso_node_verify_signature(LASSO_PROFILE(login)->request,
|
|
remote_provider->public_key,
|
|
remote_provider->ca_cert_chain);
|
|
/* changed status code into RequestDenied
|
|
if signature is invalid or not found
|
|
if an error occurs during verification */
|
|
if (ret != 0) {
|
|
lasso_profile_set_response_status(LASSO_PROFILE(login),
|
|
LASSO_SAML_STATUS_CODE_REQUEST_DENIED);
|
|
}
|
|
|
|
if (LASSO_PROFILE(login)->session) {
|
|
/* get assertion in session and add it in response */
|
|
assertion = lasso_session_get_assertion(LASSO_PROFILE(login)->session,
|
|
LASSO_PROFILE(login)->remote_providerID);
|
|
if (assertion) {
|
|
LASSO_SAMLP_RESPONSE(LASSO_PROFILE(login)->response)->Assertion =
|
|
g_object_ref(assertion);
|
|
} else {
|
|
/* FIXME should this message output by
|
|
* lasso_session_get_assertion () ? */
|
|
message(G_LOG_LEVEL_CRITICAL, "Assertion not found in session");
|
|
}
|
|
}
|
|
} else {
|
|
lasso_profile_set_response_status(LASSO_PROFILE(login),
|
|
LASSO_SAML_STATUS_CODE_REQUEST_DENIED);
|
|
}
|
|
|
|
LASSO_PROFILE(login)->msg_body = lasso_node_export_to_soap(
|
|
LASSO_PROFILE(login)->response, NULL, NULL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* lasso_login_destroy:
|
|
* @login: a LassoLogin
|
|
*
|
|
* Destroys LassoLogin objects created with lasso_login_new() or lasso_login_new_from_dump().
|
|
**/
|
|
void
|
|
lasso_login_destroy(LassoLogin *login)
|
|
{
|
|
g_object_unref(G_OBJECT(login));
|
|
}
|
|
|
|
gint
|
|
lasso_login_init_authn_request(LassoLogin *login, lassoHttpMethod http_method)
|
|
{
|
|
LassoLibAuthnRequest *request;
|
|
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
|
|
if (http_method != LASSO_HTTP_METHOD_REDIRECT && http_method != LASSO_HTTP_METHOD_POST) {
|
|
message(G_LOG_LEVEL_CRITICAL,
|
|
lasso_strerror(LASSO_PROFILE_ERROR_INVALID_HTTP_METHOD));
|
|
return LASSO_PROFILE_ERROR_INVALID_HTTP_METHOD;
|
|
}
|
|
|
|
login->http_method = http_method;
|
|
|
|
|
|
/* XXX: should be moved somehow in samlp_request_abstract.c */
|
|
request = lasso_lib_authn_request_new();
|
|
LASSO_SAMLP_REQUEST_ABSTRACT(request)->RequestID = lasso_build_unique_id(32);
|
|
LASSO_SAMLP_REQUEST_ABSTRACT(request)->MajorVersion = LASSO_LIB_MAJOR_VERSION_N;
|
|
LASSO_SAMLP_REQUEST_ABSTRACT(request)->MinorVersion = LASSO_LIB_MINOR_VERSION_N;
|
|
LASSO_SAMLP_REQUEST_ABSTRACT(request)->IssueInstant = lasso_get_current_time();
|
|
request->ProviderID = g_strdup(LASSO_PROVIDER(LASSO_PROFILE(login)->server)->ProviderID);
|
|
|
|
if (http_method == LASSO_HTTP_METHOD_POST) {
|
|
/* XXX: if post sign_type/sign_method
|
|
LASSO_SIGNATURE_TYPE_WITHX509,
|
|
LASSO_SIGNATURE_METHOD_RSA_SHA1);
|
|
*/
|
|
}
|
|
|
|
LASSO_PROFILE(login)->request = LASSO_NODE(request);
|
|
|
|
if (LASSO_PROFILE(login)->request == NULL) {
|
|
return -2;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
gint
|
|
lasso_login_init_request(LassoLogin *login, gchar *response_msg,
|
|
lassoHttpMethod response_http_method)
|
|
{
|
|
char **query_fields;
|
|
gint ret = 0;
|
|
int i;
|
|
char *artifact_b64, *provider_succint_id_b64;
|
|
char provider_succint_id[21];
|
|
char artifact[43];
|
|
LassoSamlpRequestAbstract *request;
|
|
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
g_return_val_if_fail(response_msg != NULL, LASSO_PARAM_ERROR_INVALID_VALUE);
|
|
|
|
if (response_http_method != LASSO_HTTP_METHOD_REDIRECT &&
|
|
response_http_method != LASSO_HTTP_METHOD_POST) {
|
|
message(G_LOG_LEVEL_CRITICAL,
|
|
lasso_strerror(LASSO_PROFILE_ERROR_INVALID_HTTP_METHOD));
|
|
return LASSO_PROFILE_ERROR_INVALID_HTTP_METHOD;
|
|
}
|
|
|
|
/* rebuild response (artifact) */
|
|
if (response_http_method == LASSO_HTTP_METHOD_REDIRECT) {
|
|
query_fields = urlencoded_to_strings(response_msg);
|
|
for (i=0; query_fields[i]; i++) {
|
|
if (strncmp(query_fields[i], "SAMLart=", 8) != 0) {
|
|
free(query_fields[i]);
|
|
continue;
|
|
}
|
|
artifact_b64 = strdup(query_fields[i]+8);
|
|
free(query_fields[i]);
|
|
}
|
|
free(query_fields);
|
|
}
|
|
if (response_http_method == LASSO_HTTP_METHOD_POST) {
|
|
artifact_b64 = strdup(response_msg);
|
|
}
|
|
|
|
i = xmlSecBase64Decode(artifact_b64, artifact, 43);
|
|
if (i < 0 || i > 42) {
|
|
free(artifact_b64);
|
|
return -1;
|
|
}
|
|
|
|
if (artifact[0] != 0 || artifact[1] != 3) { /* wrong type code */
|
|
free(artifact_b64);
|
|
return -1;
|
|
}
|
|
|
|
memcpy(provider_succint_id, artifact+2, 20);
|
|
provider_succint_id[20] = 0;
|
|
|
|
provider_succint_id_b64 = xmlSecBase64Encode(provider_succint_id, 20, 0);
|
|
|
|
LASSO_PROFILE(login)->remote_providerID = lasso_server_get_providerID_from_hash(
|
|
LASSO_PROFILE(login)->server, provider_succint_id_b64);
|
|
xmlFree(provider_succint_id_b64);
|
|
|
|
request = LASSO_SAMLP_REQUEST_ABSTRACT(g_object_new(LASSO_TYPE_SAMLP_REQUEST, NULL));
|
|
request->RequestID = lasso_build_unique_id(32);
|
|
request->MajorVersion = LASSO_LIB_MAJOR_VERSION_N;
|
|
request->MinorVersion = LASSO_LIB_MINOR_VERSION_N;
|
|
request->IssueInstant = lasso_get_current_time();
|
|
|
|
LASSO_SAMLP_REQUEST(request)->AssertionArtifact = artifact_b64;
|
|
request->sign_type = LASSO_SIGNATURE_TYPE_WITHX509;
|
|
request->sign_method = LASSO_SIGNATURE_METHOD_RSA_SHA1;
|
|
|
|
LASSO_PROFILE(login)->request = LASSO_NODE(request);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* lasso_login_init_idp_initiated_authn_request:
|
|
* @login: a LassoLogin.
|
|
* @remote_providerID: the providerID of the remote service provider (may be NULL).
|
|
*
|
|
* It's possible for an identity provider to generate an authentication response without first
|
|
* having received an authentication request. This method must be used in this case.
|
|
*
|
|
* If @remote_providerID is NULL, the providerID of the first provider found in server is used.
|
|
*
|
|
* Return value: 0 on success and a negative value if an error occurs.
|
|
**/
|
|
gint
|
|
lasso_login_init_idp_initiated_authn_request(LassoLogin *login,
|
|
const gchar *remote_providerID)
|
|
{
|
|
LassoLibAuthnRequest *request;
|
|
gchar *first_providerID;
|
|
gint ret = 0;
|
|
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
/* if remote_providerID is NULL, get first providerID in server */
|
|
|
|
/* store providerID of the service provider */
|
|
if (remote_providerID == NULL) {
|
|
first_providerID = lasso_server_get_first_providerID(LASSO_PROFILE(login)->server);
|
|
LASSO_PROFILE(login)->remote_providerID = first_providerID;
|
|
}
|
|
else {
|
|
LASSO_PROFILE(login)->remote_providerID = g_strdup(remote_providerID);
|
|
}
|
|
|
|
/* build self-addressed lib:AuthnRequest */
|
|
request = lasso_lib_authn_request_new();
|
|
/* no RequestID attribute or it would be used in response assertion */
|
|
LASSO_SAMLP_REQUEST_ABSTRACT(request)->MajorVersion = LASSO_LIB_MAJOR_VERSION_N;
|
|
LASSO_SAMLP_REQUEST_ABSTRACT(request)->MinorVersion = LASSO_LIB_MINOR_VERSION_N;
|
|
LASSO_SAMLP_REQUEST_ABSTRACT(request)->IssueInstant = lasso_get_current_time();
|
|
request->ProviderID = g_strdup(LASSO_PROFILE(login)->remote_providerID);
|
|
request->NameIDPolicy = LASSO_LIB_NAMEID_POLICY_TYPE_ANY;
|
|
|
|
LASSO_PROFILE(login)->request = LASSO_NODE(request);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* lasso_login_must_ask_for_consent:
|
|
* @login: a LassoLogin
|
|
*
|
|
* Evaluates if a consent must be ask to the Principal to federate him.
|
|
*
|
|
* Return value: TRUE or FALSE
|
|
**/
|
|
gboolean
|
|
lasso_login_must_ask_for_consent(LassoLogin *login)
|
|
{
|
|
if (lasso_login_must_ask_for_consent_private(login)) {
|
|
if (LASSO_LIB_AUTHN_REQUEST(LASSO_PROFILE(login)->request)->IsPassive)
|
|
return FALSE;
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* lasso_login_must_authenticate:
|
|
* @login: a LassoLogin
|
|
*
|
|
* Verifies if the user must be authenticated or not.
|
|
*
|
|
* Return value: TRUE or FALSE
|
|
**/
|
|
gboolean
|
|
lasso_login_must_authenticate(LassoLogin *login)
|
|
{
|
|
gboolean must_authenticate = FALSE;
|
|
LassoLibAuthnRequest *request;
|
|
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
|
|
request = LASSO_LIB_AUTHN_REQUEST(LASSO_PROFILE(login)->request);
|
|
|
|
/* verify if the user must be authenticated or not */
|
|
|
|
/* get IsPassive and ForceAuthn in AuthnRequest if exists */
|
|
|
|
if ((request->ForceAuthn || LASSO_PROFILE(login)->session == NULL) && \
|
|
request->IsPassive == FALSE) {
|
|
must_authenticate = TRUE;
|
|
}
|
|
else if (LASSO_PROFILE(login)->identity == NULL && \
|
|
request->IsPassive && \
|
|
login->protocolProfile == LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_POST) {
|
|
lasso_profile_set_response_status(LASSO_PROFILE(login),
|
|
LASSO_LIB_STATUS_CODE_NO_PASSIVE);
|
|
}
|
|
|
|
return must_authenticate;
|
|
}
|
|
|
|
gint
|
|
lasso_login_process_authn_request_msg(LassoLogin *login, const char *authn_request_msg)
|
|
{
|
|
lassoHttpMethod authn_request_http_method; /* XXX update to current CVS code */
|
|
LassoProvider *remote_provider;
|
|
gchar *protocolProfile;
|
|
xmlChar *md_authnRequestsSigned;
|
|
gboolean must_verify_signature = FALSE;
|
|
gint ret = 0;
|
|
LassoLibAuthnRequest *request;
|
|
LassoMessageFormat format;
|
|
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
|
|
if (authn_request_msg == NULL) {
|
|
authn_request_http_method = LASSO_HTTP_METHOD_IDP_INITIATED;
|
|
if (LASSO_PROFILE(login)->request == NULL) {
|
|
message(G_LOG_LEVEL_CRITICAL,
|
|
lasso_strerror(LASSO_PROFILE_ERROR_MISSING_REQUEST));
|
|
return LASSO_PROFILE_ERROR_MISSING_REQUEST;
|
|
}
|
|
|
|
/* LibAuthnRequest already set by lasso_login_init_idp_initiated_authn_request() */
|
|
request = LASSO_LIB_AUTHN_REQUEST(LASSO_PROFILE(login)->request);
|
|
|
|
/* verify that NameIDPolicy is 'any' */
|
|
if (request->NameIDPolicy == NULL)
|
|
return LASSO_LOGIN_ERROR_INVALID_NAMEIDPOLICY;
|
|
|
|
if (strcmp(request->NameIDPolicy, LASSO_LIB_NAMEID_POLICY_TYPE_ANY) != 0)
|
|
return LASSO_LOGIN_ERROR_INVALID_NAMEIDPOLICY;
|
|
} else {
|
|
request = lasso_lib_authn_request_new();
|
|
format = lasso_node_init_from_message(LASSO_NODE(request), authn_request_msg);
|
|
if (format == LASSO_MESSAGE_FORMAT_UNKNOWN ||
|
|
format == LASSO_MESSAGE_FORMAT_ERROR) {
|
|
message(G_LOG_LEVEL_CRITICAL, "XXX");
|
|
return LASSO_PROFILE_ERROR_INVALID_MSG;
|
|
}
|
|
|
|
LASSO_PROFILE(login)->request = LASSO_NODE(request);
|
|
}
|
|
|
|
|
|
/* get ProtocolProfile in lib:AuthnRequest */
|
|
protocolProfile = LASSO_LIB_AUTHN_REQUEST(LASSO_PROFILE(login)->request)->ProtocolProfile;
|
|
if (protocolProfile == NULL ||
|
|
xmlStrEqual(protocolProfile, LASSO_LIB_PROTOCOL_PROFILE_BRWS_ART)) {
|
|
login->protocolProfile = LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_ART;
|
|
}
|
|
else if (xmlStrEqual(protocolProfile, LASSO_LIB_PROTOCOL_PROFILE_BRWS_POST)) {
|
|
login->protocolProfile = LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_POST;
|
|
}
|
|
else {
|
|
message(G_LOG_LEVEL_CRITICAL,
|
|
lasso_strerror(LASSO_PROFILE_ERROR_INVALID_PROTOCOLPROFILE));
|
|
return LASSO_PROFILE_ERROR_INVALID_PROTOCOLPROFILE;
|
|
}
|
|
|
|
/* get remote ProviderID */
|
|
LASSO_PROFILE(login)->remote_providerID = g_strdup(
|
|
LASSO_LIB_AUTHN_REQUEST(LASSO_PROFILE(login)->request)->ProviderID);
|
|
|
|
/* Check authnRequest signature. */
|
|
if (authn_request_http_method != LASSO_HTTP_METHOD_IDP_INITIATED) {
|
|
remote_provider = g_hash_table_lookup(LASSO_PROFILE(login)->server->providers,
|
|
LASSO_PROFILE(login)->remote_providerID);
|
|
if (remote_provider != NULL) {
|
|
/* Is authnRequest signed ? */
|
|
md_authnRequestsSigned = lasso_provider_get_metadata_one(
|
|
remote_provider, "AuthnRequestsSigned");
|
|
if (md_authnRequestsSigned != NULL) {
|
|
must_verify_signature = xmlStrEqual(md_authnRequestsSigned, "true");
|
|
g_free(md_authnRequestsSigned);
|
|
} else {
|
|
/* AuthnRequestsSigned element is required */
|
|
message(G_LOG_LEVEL_CRITICAL, "XXX");
|
|
return -1;
|
|
}
|
|
} else {
|
|
message(G_LOG_LEVEL_CRITICAL, "Must sign without knowing provider");
|
|
return -1;
|
|
}
|
|
|
|
/* verify request signature */
|
|
if (must_verify_signature) {
|
|
ret = lasso_provider_verify_signature(remote_provider,
|
|
authn_request_msg, "RequestID");
|
|
LASSO_PROFILE(login)->signature_status = ret;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
gint
|
|
lasso_login_process_authn_response_msg(LassoLogin *login, gchar *authn_response_msg)
|
|
{
|
|
gint ret1 = 0, ret2 = 0;
|
|
LassoMessageFormat format;
|
|
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
g_return_val_if_fail(authn_response_msg != NULL, LASSO_PARAM_ERROR_INVALID_VALUE);
|
|
|
|
LASSO_PROFILE(login)->response = lasso_lib_authn_response_new(NULL, NULL);
|
|
format = lasso_node_init_from_message(LASSO_PROFILE(login)->response, authn_response_msg);
|
|
if (format == LASSO_MESSAGE_FORMAT_UNKNOWN || format == LASSO_MESSAGE_FORMAT_ERROR) {
|
|
message(G_LOG_LEVEL_CRITICAL, "XXX");
|
|
return LASSO_PROFILE_ERROR_INVALID_MSG;
|
|
}
|
|
|
|
LASSO_PROFILE(login)->remote_providerID = g_strdup(
|
|
LASSO_LIB_AUTHN_RESPONSE(LASSO_PROFILE(login)->response)->ProviderID);
|
|
|
|
if (LASSO_PROFILE(login)->remote_providerID == NULL) {
|
|
message(G_LOG_LEVEL_CRITICAL, "XXX");
|
|
}
|
|
|
|
LASSO_PROFILE(login)->msg_relayState = g_strdup(LASSO_LIB_AUTHN_RESPONSE(
|
|
LASSO_PROFILE(login)->response)->RelayState);
|
|
|
|
ret2 = lasso_login_process_response_status_and_assertion(login);
|
|
|
|
return ret2 == 0 ? ret1 : ret2;
|
|
}
|
|
|
|
gint
|
|
lasso_login_process_request_msg(LassoLogin *login, gchar *request_msg)
|
|
{
|
|
gint ret = 0;
|
|
LassoProfile *profile = LASSO_PROFILE(login);
|
|
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
g_return_val_if_fail(request_msg != NULL, LASSO_PARAM_ERROR_INVALID_VALUE);
|
|
|
|
/* rebuild samlp:Request with request_msg */
|
|
profile->request = lasso_node_new_from_soap(request_msg);
|
|
if (profile->request == NULL) {
|
|
message(G_LOG_LEVEL_CRITICAL,
|
|
"Failed to rebuild samlp:Request with request message.");
|
|
return LASSO_ERROR_UNDEFINED;
|
|
}
|
|
/* get AssertionArtifact */
|
|
login->assertionArtifact = g_strdup(
|
|
LASSO_SAMLP_REQUEST(profile->request)->AssertionArtifact);
|
|
|
|
return ret;
|
|
}
|
|
|
|
gint
|
|
lasso_login_process_response_msg(LassoLogin *login, gchar *response_msg)
|
|
{
|
|
g_return_val_if_fail(LASSO_IS_LOGIN(login), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
g_return_val_if_fail(response_msg != NULL, LASSO_PARAM_ERROR_INVALID_VALUE);
|
|
|
|
/* rebuild samlp:Response with response_msg */
|
|
LASSO_PROFILE(login)->response = lasso_node_new_from_soap(response_msg);
|
|
if (! LASSO_IS_SAMLP_RESPONSE(LASSO_PROFILE(login)->response) ) {
|
|
LASSO_PROFILE(login)->response = NULL;
|
|
message(G_LOG_LEVEL_CRITICAL, "Failed to rebuild samlp:Response from message.");
|
|
return LASSO_ERROR_UNDEFINED;
|
|
}
|
|
|
|
return lasso_login_process_response_status_and_assertion(login);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* private methods */
|
|
/*****************************************************************************/
|
|
|
|
static LassoNodeClass *parent_class = NULL;
|
|
|
|
static xmlNode*
|
|
get_xmlNode(LassoNode *node)
|
|
{
|
|
xmlNode *xmlnode;
|
|
LassoLogin *login = LASSO_LOGIN(node);
|
|
|
|
xmlnode = parent_class->get_xmlNode(node);
|
|
xmlNodeSetName(xmlnode, "Login");
|
|
xmlSetProp(xmlnode, "LoginDumpVersion", "2");
|
|
|
|
if (login->assertionArtifact)
|
|
xmlNewTextChild(xmlnode, NULL, "AssertionArtifact", login->assertionArtifact);
|
|
|
|
if (login->protocolProfile == LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_ART)
|
|
xmlNewTextChild(xmlnode, NULL, "ProtocolProfile", "Artifact");
|
|
if (login->protocolProfile == LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_POST)
|
|
xmlNewTextChild(xmlnode, NULL, "ProtocolProfile", "POST");
|
|
|
|
if (login->nameIDPolicy)
|
|
xmlNewTextChild(xmlnode, NULL, "NameIDPolicy", login->nameIDPolicy);
|
|
|
|
return xmlnode;
|
|
}
|
|
|
|
static int
|
|
init_from_xml(LassoNode *node, xmlNode *xmlnode)
|
|
{
|
|
LassoLogin *login = LASSO_LOGIN(node);
|
|
xmlNode *t;
|
|
int rc;
|
|
|
|
rc = parent_class->init_from_xml(node, xmlnode);
|
|
if (rc) return rc;
|
|
|
|
t = xmlnode->children;
|
|
while (t) {
|
|
if (t->type != XML_ELEMENT_NODE) {
|
|
t = t->next;
|
|
continue;
|
|
}
|
|
if (strcmp(t->name, "AssertionArtifact") == 0)
|
|
login->assertionArtifact = xmlNodeGetContent(t);
|
|
if (strcmp(t->name, "NameIDPolicy") == 0)
|
|
login->nameIDPolicy = xmlNodeGetContent(t);
|
|
if (strcmp(t->name, "ProtocolProfile") == 0) {
|
|
char *s;
|
|
s = xmlNodeGetContent(t);
|
|
if (strcmp(s, "Artifact") == 0)
|
|
login->protocolProfile = LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_ART;
|
|
if (strcmp(s, "POST") == 0)
|
|
login->protocolProfile = LASSO_LOGIN_PROTOCOL_PROFILE_BRWS_POST;
|
|
xmlFree(s);
|
|
}
|
|
t = t->next;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* overrided parent class methods */
|
|
/*****************************************************************************/
|
|
|
|
static void
|
|
dispose(GObject *object)
|
|
{
|
|
LassoLogin *login = LASSO_LOGIN(object);
|
|
|
|
if (login->private_data->dispose_has_run == TRUE) {
|
|
return;
|
|
}
|
|
login->private_data->dispose_has_run = TRUE;
|
|
|
|
debug("Login object 0x%x disposed ...", login);
|
|
|
|
/* unref reference counted objects */
|
|
|
|
G_OBJECT_CLASS(parent_class)->dispose(object);
|
|
}
|
|
|
|
static void
|
|
finalize(GObject *object)
|
|
{
|
|
LassoLogin *login = LASSO_LOGIN(object);
|
|
|
|
debug("Login object 0x%x finalized ...", login);
|
|
g_free(login->assertionArtifact);
|
|
g_free(login->private_data);
|
|
G_OBJECT_CLASS(parent_class)->finalize(object);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* instance and class init functions */
|
|
/*****************************************************************************/
|
|
|
|
static void
|
|
instance_init(LassoLogin *login)
|
|
{
|
|
login->private_data = g_new(LassoLoginPrivate, 1);
|
|
login->private_data->dispose_has_run = FALSE;
|
|
|
|
login->protocolProfile = 0;
|
|
login->assertionArtifact = NULL;
|
|
}
|
|
|
|
static void
|
|
class_init(LassoLoginClass *klass)
|
|
{
|
|
parent_class = g_type_class_peek_parent(klass);
|
|
|
|
LASSO_NODE_CLASS(klass)->get_xmlNode = get_xmlNode;
|
|
LASSO_NODE_CLASS(klass)->init_from_xml = init_from_xml;
|
|
|
|
G_OBJECT_CLASS(klass)->dispose = dispose;
|
|
G_OBJECT_CLASS(klass)->finalize = finalize;
|
|
}
|
|
|
|
GType
|
|
lasso_login_get_type()
|
|
{
|
|
static GType this_type = 0;
|
|
|
|
if (!this_type) {
|
|
static const GTypeInfo this_info = {
|
|
sizeof(LassoLoginClass),
|
|
NULL,
|
|
NULL,
|
|
(GClassInitFunc) class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof(LassoLogin),
|
|
0,
|
|
(GInstanceInitFunc) instance_init,
|
|
};
|
|
|
|
this_type = g_type_register_static(LASSO_TYPE_PROFILE,
|
|
"LassoLogin", &this_info, 0);
|
|
}
|
|
return this_type;
|
|
}
|
|
|
|
LassoLogin*
|
|
lasso_login_new(LassoServer *server)
|
|
{
|
|
LassoLogin *login = NULL;
|
|
|
|
g_return_val_if_fail(LASSO_IS_SERVER(server), NULL);
|
|
|
|
login = g_object_new(LASSO_TYPE_LOGIN, NULL);
|
|
LASSO_PROFILE(login)->server = server;
|
|
|
|
return login;
|
|
}
|
|
|
|
LassoLogin*
|
|
lasso_login_new_from_dump(LassoServer *server, const gchar *dump)
|
|
{
|
|
LassoLogin *login;
|
|
xmlDoc *doc;
|
|
|
|
login = g_object_new(LASSO_TYPE_LOGIN, NULL);
|
|
doc = xmlParseMemory(dump, strlen(dump));
|
|
init_from_xml(LASSO_NODE(login), xmlDocGetRootElement(doc));
|
|
LASSO_PROFILE(login)->server = server;
|
|
|
|
return login;
|
|
}
|
|
|
|
gchar*
|
|
lasso_login_dump(LassoLogin *login)
|
|
{
|
|
return lasso_node_dump(LASSO_NODE(login), NULL, 1);
|
|
}
|
|
|