1009 lines
31 KiB
C
1009 lines
31 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) 2004-2007 Entr'ouvert
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* http://lasso.entrouvert.org
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*
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* Authors: See AUTHORS file in top-level directory.
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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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/**
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* SECTION:server
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* @short_description: Representation of the current server
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*
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* It holds the data about a provider, other providers it knows, which
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* certificates to use, etc.
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**/
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#include "../xml/private.h"
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#include <xmlsec/base64.h>
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#include <xmlsec/xmltree.h>
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#include <config.h>
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#include "server.h"
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#include "providerprivate.h"
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#include "serverprivate.h"
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#include "../saml-2.0/serverprivate.h"
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#include "../utils.h"
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#include "../debug.h"
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#include "../lasso_config.h"
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#ifdef LASSO_WSF_ENABLED
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#include "../id-wsf/id_ff_extensions_private.h"
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#include "../id-wsf-2.0/serverprivate.h"
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#endif
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#define RSA_SHA1 "RSA_SHA1"
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#define DSA_SHA1 "DSA_SHA1"
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#define HMAC_SHA1 "HMAC_SHA1"
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/*****************************************************************************/
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/* public methods */
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/*****************************************************************************/
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static gint
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lasso_server_add_provider_helper(LassoServer *server, LassoProviderRole role,
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const gchar *metadata, const gchar *public_key, const gchar *ca_cert_chain,
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LassoProvider *(*provider_constructor)(LassoProviderRole role,
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const char *metadata, const char *public_key, const char *ca_cert_chain))
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{
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LassoProvider *provider;
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g_return_val_if_fail(LASSO_IS_SERVER(server), LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
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g_return_val_if_fail(metadata != NULL, LASSO_PARAM_ERROR_INVALID_VALUE);
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provider = provider_constructor(role, metadata, public_key, ca_cert_chain);
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if (provider == NULL) {
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return critical_error(LASSO_SERVER_ERROR_ADD_PROVIDER_FAILED);
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}
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provider->role = role;
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if (LASSO_PROVIDER(server)->private_data->conformance == LASSO_PROTOCOL_SAML_2_0 &&
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provider->private_data->conformance != LASSO_PROTOCOL_SAML_2_0) {
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lasso_node_destroy(LASSO_NODE(provider));
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return LASSO_SERVER_ERROR_ADD_PROVIDER_PROTOCOL_MISMATCH;
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}
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if (LASSO_PROVIDER(server)->private_data->conformance == LASSO_PROTOCOL_LIBERTY_1_2 &&
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provider->private_data->conformance > LASSO_PROTOCOL_LIBERTY_1_2) {
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lasso_node_destroy(LASSO_NODE(provider));
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return LASSO_SERVER_ERROR_ADD_PROVIDER_PROTOCOL_MISMATCH;
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}
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return lasso_server_add_provider2(server, provider);
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}
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/**
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* lasso_server_add_provider:
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* @server: a #LassoServer
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* @role: provider role, identity provider or service provider
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* @metadata: path to the provider metadata file
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* @public_key:(allow-none): provider public key file (may be a certificate) or NULL
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* @ca_cert_chain:(allow-none): provider CA certificate chain file or NULL
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*
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* Creates a new #LassoProvider and makes it known to the @server
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*
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* Return value: 0 on success; a negative value if an error occured.
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**/
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gint
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lasso_server_add_provider(LassoServer *server, LassoProviderRole role,
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const gchar *metadata, const gchar *public_key, const gchar *ca_cert_chain)
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{
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return lasso_server_add_provider_helper(server, role, metadata,
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public_key, ca_cert_chain, lasso_provider_new);
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}
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/**
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* lasso_server_add_provider2:
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* @server: a #LassoServer object
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* @provider: a #LassoProvider object
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*
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* Add @provider to the list of known providers object of @server.
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*
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* Return 0 if successful, LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ otherwise.
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*/
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lasso_error_t
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lasso_server_add_provider2(LassoServer *server, LassoProvider *provider)
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{
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lasso_bad_param(SERVER, server);
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lasso_bad_param(PROVIDER, provider);
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g_return_val_if_fail(provider->ProviderID, LASSO_PARAM_ERROR_NON_INITIALIZED_OBJECT);
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g_return_val_if_fail(server->providers, LASSO_PARAM_ERROR_NON_INITIALIZED_OBJECT);
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g_hash_table_insert(server->providers, g_strdup(provider->ProviderID), provider);
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return 0;
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}
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/**
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* lasso_server_add_provider_from_buffer:
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* @server: a #LassoServer
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* @role: provider role, identity provider or service provider
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* @metadata: a string buffer containg the metadata file for a new provider
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* @public_key:(allow-none): provider public key file (may be a certificate) or NULL
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* @ca_cert_chain:(allow-none): provider CA certificate chain file or NULL
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*
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* Creates a new #LassoProvider and makes it known to the @server
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*
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* Return value: 0 on success; a negative value if an error occured.
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**/
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gint
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lasso_server_add_provider_from_buffer(LassoServer *server, LassoProviderRole role,
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const gchar *metadata, const gchar *public_key, const gchar *ca_cert_chain)
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{
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return lasso_server_add_provider_helper(server, role, metadata,
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public_key, ca_cert_chain, lasso_provider_new_from_buffer);
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}
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/**
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* lasso_server_destroy:
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* @server: a #LassoServer
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*
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* Destroys a server.
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**/
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void
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lasso_server_destroy(LassoServer *server)
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{
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lasso_node_destroy(LASSO_NODE(server));
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}
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/**
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* lasso_server_set_encryption_private_key:
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* @server: a #LassoServer
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* @filename_or_buffer:(allow-none): file name of the encryption key to load or its content as a
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* NULL-terminated string.
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*
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* Load an encryption private key from a file and set it in the server object
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*
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* If @filename_or_buffer is NULL, it frees the currently setted key.
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*
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* Return value: 0 on success; another value if an error occured.
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* Deprecated: 2.3: Use lasso_server_set_encryption_private_key_with_password() instead.
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**/
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int
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lasso_server_set_encryption_private_key(LassoServer *server, const gchar *filename_or_buffer)
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{
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return lasso_server_set_encryption_private_key_with_password(server, filename_or_buffer,
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NULL);
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}
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/**
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* lasso_server_set_encryption_private_key_with_password:
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* @server: a #LassoServer
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* @filename_or_buffer:(allow-none): file name of the encryption key to load or its content as a
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* NULL-terminated string.
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* @password:(allow-none): an optional password to decrypt the encryption key.
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*
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* Load an encryption private key from a file and set it in the server object. If @password is
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* non-NULL try to decrypt the key with it.
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*
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* If @filename_or_buffer is NULL, it frees the currently setted key.
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*
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* Return value: 0 on success; another value if an error occured.
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* Since: 2.3
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**/
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int
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lasso_server_set_encryption_private_key_with_password(LassoServer *server,
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const gchar *filename_or_buffer, const gchar *password)
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{
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if (filename_or_buffer) {
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xmlSecKey *key = lasso_xmlsec_load_private_key(filename_or_buffer, password,
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server->signature_method, NULL);
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if (! key || ! (xmlSecKeyGetType(key) & xmlSecKeyDataTypePrivate)) {
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return LASSO_SERVER_ERROR_SET_ENCRYPTION_PRIVATE_KEY_FAILED;
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}
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lasso_list_add_new_sec_key(server->private_data->encryption_private_keys, key);
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}
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return 0;
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}
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/**
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* lasso_server_load_affiliation:
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* @server: a #LassoServer
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* @filename: file name of the affiliation metadata to load
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*
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* Load an affiliation metadata file into @server; this must be called after
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* providers have been added to @server.
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*
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* Return value: 0 on success; another value if an error occured.
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**/
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int
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lasso_server_load_affiliation(LassoServer *server, const gchar *filename)
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{
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LassoProvider *provider = LASSO_PROVIDER(server);
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xmlDoc *doc;
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xmlNode *node;
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int rc = 0;
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doc = lasso_xml_parse_file(filename);
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goto_cleanup_if_fail_with_rc (doc != NULL, LASSO_XML_ERROR_INVALID_FILE);
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node = xmlDocGetRootElement(doc);
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goto_cleanup_if_fail_with_rc (node != NULL && node->ns != NULL, LASSO_XML_ERROR_NODE_NOT_FOUND);
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if (provider->private_data->conformance == LASSO_PROTOCOL_SAML_2_0) {
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rc = lasso_saml20_server_load_affiliation(server, node);
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} else {
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/* affiliations are not supported in ID-FF 1.2 mode */
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rc = LASSO_ERROR_UNIMPLEMENTED;
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}
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cleanup:
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lasso_release_doc(doc);
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return rc;
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}
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/*****************************************************************************/
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/* private methods */
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/*****************************************************************************/
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static struct XmlSnippet schema_snippets[] = {
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{ "PrivateKeyFilePath", SNIPPET_CONTENT, G_STRUCT_OFFSET(LassoServer, private_key), NULL,
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NULL, NULL},
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{ "PrivateKeyPassword", SNIPPET_CONTENT,
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G_STRUCT_OFFSET(LassoServer, private_key_password), NULL, NULL, NULL},
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{ "CertificateFilePath", SNIPPET_CONTENT, G_STRUCT_OFFSET(LassoServer, certificate), NULL,
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NULL, NULL},
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{ "SignatureMethod", SNIPPET_ATTRIBUTE, 0, NULL, NULL, NULL },
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{ "Providers", SNIPPET_LIST_NODES, 0, NULL, NULL, NULL },
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{ "ServerDumpVersion", SNIPPET_ATTRIBUTE, 0, NULL, NULL, NULL },
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#ifdef LASSO_WSF_ENABLED
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{ "Services", SNIPPET_LIST_NODES, 0, NULL, NULL, NULL },
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{ "SvcMDs", SNIPPET_LIST_NODES, 0, NULL, NULL, NULL },
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#endif
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{NULL, 0, 0, NULL, NULL, NULL}
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};
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static LassoNodeClass *parent_class = NULL;
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static void
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add_provider_childnode(G_GNUC_UNUSED gchar *key, LassoProvider *value, xmlNode *xmlnode)
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{
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xmlAddChild(xmlnode, lasso_node_get_xmlNode(LASSO_NODE(value), TRUE));
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}
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static xmlNode*
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get_xmlNode(LassoNode *node, gboolean lasso_dump)
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{
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LassoServer *server = LASSO_SERVER(node);
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char *signature_methods[] = { NULL, RSA_SHA1, DSA_SHA1, HMAC_SHA1};
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xmlNode *xmlnode = NULL, *ret_xmlnode = NULL;
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xmlnode = parent_class->get_xmlNode(node, lasso_dump);
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xmlSetProp(xmlnode, (xmlChar*)"ServerDumpVersion", (xmlChar*)"2");
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if (server->signature_method >= G_N_ELEMENTS(signature_methods))
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goto cleanup;
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xmlSetProp(xmlnode, (xmlChar*)"SignatureMethod",
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(xmlChar*)signature_methods[server->signature_method]);
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/* Providers */
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if (g_hash_table_size(server->providers)) {
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xmlNode *t;
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t = xmlNewTextChild(xmlnode, NULL, (xmlChar*)"Providers", NULL);
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g_hash_table_foreach(server->providers,
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(GHFunc)add_provider_childnode, t);
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}
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#ifdef LASSO_WSF_ENABLED
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lasso_server_dump_id_wsf_services(server, xmlnode);
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lasso_server_dump_id_wsf20_svcmds(server, xmlnode);
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#endif
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xmlCleanNs(xmlnode);
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lasso_transfer_xml_node(ret_xmlnode, xmlnode);
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cleanup:
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lasso_release_xml_node(xmlnode);
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return ret_xmlnode;
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}
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static int
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init_from_xml(LassoNode *node, xmlNode *xmlnode)
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{
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LassoServer *server = LASSO_SERVER(node);
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xmlNode *t;
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xmlChar *s;
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int rc = 0;
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rc = parent_class->init_from_xml(node, xmlnode);
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if (server->private_key) {
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lasso_server_set_encryption_private_key_with_password(server, server->private_key,
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server->private_key_password);
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}
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if (rc)
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return rc;
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s = xmlGetProp(xmlnode, (xmlChar*)"SignatureMethod");
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if (lasso_strisequal((char*) s, RSA_SHA1))
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server->signature_method = LASSO_SIGNATURE_METHOD_RSA_SHA1;
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else if (lasso_strisequal((char*) s, DSA_SHA1))
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server->signature_method = LASSO_SIGNATURE_METHOD_DSA_SHA1;
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else if (lasso_strisequal((char*) s, HMAC_SHA1))
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server->signature_method = LASSO_SIGNATURE_METHOD_HMAC_SHA1;
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else {
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warning("Unable to rebuild a LassoServer object from XML, bad SignatureMethod: %s",
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s);
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goto_cleanup_with_rc(LASSO_XML_ERROR_OBJECT_CONSTRUCTION_FAILED);
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}
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t = xmlSecGetNextElementNode(xmlnode->children);
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while (t) {
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/* Providers */
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if (strcmp((char*)t->name, "Providers") == 0) {
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xmlNode *t2 = xmlSecGetNextElementNode(t->children);
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while (t2) {
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LassoProvider *p;
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p = g_object_new(LASSO_TYPE_PROVIDER, NULL);
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lasso_check_good_rc(lasso_node_init_from_xml((LassoNode*)p,
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t2))
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if (lasso_provider_load_public_key(p, LASSO_PUBLIC_KEY_SIGNING)) {
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g_hash_table_insert(server->providers,
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g_strdup(p->ProviderID), p);
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} else {
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critical("Failed to load signing public key for %s.",
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p->ProviderID);
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lasso_release_gobject(p);
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goto_cleanup_with_rc(
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LASSO_XML_ERROR_OBJECT_CONSTRUCTION_FAILED);
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}
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t2 = xmlSecGetNextElementNode(t2->next);
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}
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}
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#ifdef LASSO_WSF_ENABLED
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lasso_server_init_id_wsf_services(server, t);
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lasso_server_init_id_wsf20_svcmds(server, t);
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#endif
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t = xmlSecGetNextElementNode(t->next);
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}
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cleanup:
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lasso_release_xml_string(s);
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return 0;
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}
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static gboolean
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get_first_providerID(gchar *key, G_GNUC_UNUSED gpointer value, char **providerID)
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{
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*providerID = key;
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return TRUE;
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}
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|
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static gboolean
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get_first_providerID_by_role(G_GNUC_UNUSED gchar *key, gpointer value, LassoProviderRole role) {
|
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LassoProvider *provider = (LassoProvider*)value;
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if (provider->role == role || role == LASSO_PROVIDER_ROLE_ANY) {
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return TRUE;
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}
|
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return FALSE;
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}
|
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|
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/**
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* lasso_server_get_first_providerID_by_role
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* @server: a #LassoServer
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* @role: the #LassoProviderRole of the researched provider
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*
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* Looks up and returns the provider ID of known provider with the given role.
|
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*
|
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* Return value: the provider ID, NULL if there are no providers. This string
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* must be freed by the caller.
|
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*/
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gchar *
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lasso_server_get_first_providerID_by_role(const LassoServer *server, LassoProviderRole role)
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{
|
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LassoProvider *a_provider;
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a_provider = LASSO_PROVIDER(g_hash_table_find(server->providers,
|
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(GHRFunc) get_first_providerID_by_role,
|
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(gpointer)role));
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if (a_provider) {
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return g_strdup(a_provider->ProviderID);
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} else {
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return NULL;
|
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}
|
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}
|
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|
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/**
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* lasso_server_get_first_providerID:
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* @server: a #LassoServer
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*
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* Looks up and returns the provider ID of a known provider
|
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*
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* Return value:(transfer full)(allow-none): the provider ID, NULL if there are no providers. This
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* string must be freed by the caller.
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**/
|
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gchar*
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lasso_server_get_first_providerID(LassoServer *server)
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{
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gchar *providerID = NULL;
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g_hash_table_find(server->providers, (GHRFunc)get_first_providerID, &providerID);
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return g_strdup(providerID);
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}
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|
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|
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/**
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* lasso_server_get_provider:
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* @server: a #LassoServer
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* @providerID: the provider ID
|
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*
|
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* Looks up for a #LassoProvider whose ID is @providerID and returns it.
|
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*
|
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* Return value: (transfer none): the #LassoProvider, NULL if it was not found. The
|
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* #LassoProvider is owned by Lasso and should not be freed.
|
|
**/
|
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LassoProvider*
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lasso_server_get_provider(const LassoServer *server, const gchar *providerID)
|
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{
|
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if (! LASSO_IS_SERVER(server) || providerID == NULL || strlen(providerID) == 0) {
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return NULL;
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}
|
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return g_hash_table_lookup(server->providers, providerID);
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}
|
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|
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|
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static gboolean
|
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get_providerID_with_hash(gchar *key, G_GNUC_UNUSED gpointer value, char **providerID)
|
|
{
|
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char *hash = *providerID;
|
|
xmlChar *hash_providerID;
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char *b64_hash_providerID;
|
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|
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hash_providerID = (xmlChar*)lasso_sha1(key);
|
|
b64_hash_providerID = (char*)xmlSecBase64Encode(hash_providerID, 20, 0);
|
|
xmlFree(hash_providerID);
|
|
|
|
if (strcmp(b64_hash_providerID, hash) == 0) {
|
|
xmlFree(b64_hash_providerID);
|
|
*providerID = key;
|
|
return TRUE;
|
|
}
|
|
xmlFree(b64_hash_providerID);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/**
|
|
* lasso_server_get_providerID_from_hash:
|
|
* @server: a #LassoServer
|
|
* @b64_hash: the base64-encoded provider ID hash
|
|
*
|
|
* Looks up a #LassoProvider whose ID hash is @b64_hash and returns its
|
|
* provider ID.
|
|
*
|
|
* Return value:(transfer full)(allow-none): the provider ID, NULL if it was not found.
|
|
**/
|
|
gchar*
|
|
lasso_server_get_providerID_from_hash(LassoServer *server, gchar *b64_hash)
|
|
{
|
|
gchar *providerID = b64_hash; /* kludge */
|
|
|
|
if (g_hash_table_find(server->providers, (GHRFunc)get_providerID_with_hash, &providerID))
|
|
return g_strdup(providerID);
|
|
return NULL;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* overridden parent class methods */
|
|
/*****************************************************************************/
|
|
|
|
static void
|
|
dispose(GObject *object)
|
|
{
|
|
LassoServer *server = LASSO_SERVER(object);
|
|
|
|
if (! server->private_data || server->private_data->dispose_has_run == TRUE) {
|
|
return;
|
|
}
|
|
server->private_data->dispose_has_run = TRUE;
|
|
|
|
lasso_release_list_of_sec_key(server->private_data->encryption_private_keys);
|
|
|
|
lasso_release_list_of_gobjects(server->private_data->svc_metadatas);
|
|
|
|
lasso_release_ghashtable(server->services);
|
|
|
|
/* free allocated memory for hash tables */
|
|
lasso_mem_debug("LassoServer", "Providers", server->providers);
|
|
lasso_release_ghashtable(server->providers);
|
|
|
|
G_OBJECT_CLASS(parent_class)->dispose(G_OBJECT(server));
|
|
}
|
|
|
|
static void
|
|
finalize(GObject *object)
|
|
{
|
|
LassoServer *server = LASSO_SERVER(object);
|
|
int i = 0;
|
|
|
|
lasso_release(server->private_key);
|
|
if (server->private_key_password) {
|
|
/* don't use memset() because it may be optimised away by
|
|
* compiler (since the string is freed just after */
|
|
while (server->private_key_password[i])
|
|
server->private_key_password[i++] = 0;
|
|
lasso_release(server->private_key_password);
|
|
}
|
|
lasso_release(server->certificate);
|
|
lasso_release(server->private_data);
|
|
|
|
G_OBJECT_CLASS(parent_class)->finalize(G_OBJECT(server));
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* instance and class init functions */
|
|
/*****************************************************************************/
|
|
|
|
static void
|
|
instance_init(LassoServer *server)
|
|
{
|
|
server->private_data = g_new0(LassoServerPrivate, 1);
|
|
server->private_data->dispose_has_run = FALSE;
|
|
server->private_data->encryption_private_keys = NULL;
|
|
server->private_data->svc_metadatas = NULL;
|
|
|
|
server->providers = g_hash_table_new_full(
|
|
g_str_hash, g_str_equal, g_free,
|
|
g_object_unref);
|
|
|
|
server->private_key = NULL;
|
|
server->private_key_password = NULL;
|
|
server->certificate = NULL;
|
|
server->signature_method = LASSO_SIGNATURE_METHOD_RSA_SHA1;
|
|
|
|
server->services = g_hash_table_new_full(g_str_hash, g_str_equal,
|
|
(GDestroyNotify)g_free,
|
|
g_object_unref);
|
|
}
|
|
|
|
static void
|
|
class_init(LassoServerClass *klass)
|
|
{
|
|
LassoNodeClass *nclass = LASSO_NODE_CLASS(klass);
|
|
|
|
parent_class = g_type_class_peek_parent(klass);
|
|
nclass->node_data = g_new0(LassoNodeClassData, 1);
|
|
lasso_node_class_set_nodename(nclass, "Server");
|
|
lasso_node_class_set_ns(nclass, LASSO_LASSO_HREF, LASSO_LASSO_PREFIX);
|
|
lasso_node_class_add_snippets(nclass, schema_snippets);
|
|
|
|
nclass->get_xmlNode = get_xmlNode;
|
|
nclass->init_from_xml = init_from_xml;
|
|
|
|
G_OBJECT_CLASS(klass)->dispose = dispose;
|
|
G_OBJECT_CLASS(klass)->finalize = finalize;
|
|
}
|
|
|
|
GType
|
|
lasso_server_get_type()
|
|
{
|
|
static GType this_type = 0;
|
|
|
|
if (!this_type) {
|
|
static const GTypeInfo this_info = {
|
|
sizeof (LassoServerClass),
|
|
NULL,
|
|
NULL,
|
|
(GClassInitFunc) class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof(LassoServer),
|
|
0,
|
|
(GInstanceInitFunc) instance_init,
|
|
NULL
|
|
};
|
|
|
|
this_type = g_type_register_static(LASSO_TYPE_PROVIDER,
|
|
"LassoServer", &this_info, 0);
|
|
}
|
|
return this_type;
|
|
}
|
|
|
|
/**
|
|
* lasso_server_new:
|
|
* @metadata: path to the provider metadata file or NULL, for a LECP server
|
|
* @private_key:(allow-none): path to the the server private key file or NULL
|
|
* @private_key_password:(allow-none): password to private key if it is encrypted, or NULL
|
|
* @certificate:(allow-none): path to the server certificate file, or NULL
|
|
*
|
|
* Creates a new #LassoServer.
|
|
*
|
|
* Return value: a newly created #LassoServer object; or NULL if an error
|
|
* occured
|
|
**/
|
|
LassoServer*
|
|
lasso_server_new(const gchar *metadata,
|
|
const gchar *private_key,
|
|
const gchar *private_key_password,
|
|
const gchar *certificate)
|
|
{
|
|
LassoServer *server;
|
|
|
|
server = g_object_new(LASSO_TYPE_SERVER, NULL);
|
|
|
|
/* metadata can be NULL (if server is a LECP) */
|
|
if (metadata != NULL) {
|
|
if (lasso_provider_load_metadata(LASSO_PROVIDER(server), metadata) == FALSE) {
|
|
message(G_LOG_LEVEL_CRITICAL,
|
|
"Failed to load metadata from %s.", metadata);
|
|
lasso_release_gobject(server);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
lasso_assign_string(server->certificate, certificate);
|
|
if (private_key) {
|
|
lasso_assign_string(server->private_key, private_key);
|
|
lasso_assign_string(server->private_key_password, private_key_password);
|
|
if (lasso_server_set_encryption_private_key_with_password(server, private_key,
|
|
private_key_password) != 0) {
|
|
message(G_LOG_LEVEL_WARNING, "Cannot load the private key");
|
|
lasso_release_gobject(server);
|
|
return NULL;
|
|
}
|
|
}
|
|
lasso_provider_load_public_key(&server->parent, LASSO_PUBLIC_KEY_SIGNING);
|
|
lasso_provider_load_public_key(&server->parent, LASSO_PUBLIC_KEY_ENCRYPTION);
|
|
|
|
return server;
|
|
}
|
|
|
|
/**
|
|
* lasso_server_new_from_buffers:
|
|
* @metadata: NULL terminated string containing the content of an ID-FF 1.2 metadata file
|
|
* @private_key_content:(allow-none): NULL terminated string containing a PEM formatted private key
|
|
* @private_key_password:(allow-none): a NULL terminated string which is the optional password of
|
|
* the private key
|
|
* @certificate_content:(allow-none): NULL terminated string containing a PEM formatted X509
|
|
* certificate
|
|
*
|
|
* Creates a new #LassoServer.
|
|
*
|
|
* Return value: a newly created #LassoServer object; or NULL if an error occured
|
|
*/
|
|
LassoServer*
|
|
lasso_server_new_from_buffers(const char *metadata, const char *private_key_content, const char
|
|
*private_key_password, const char *certificate_content)
|
|
{
|
|
LassoServer *server;
|
|
|
|
server = g_object_new(LASSO_TYPE_SERVER, NULL);
|
|
/* metadata can be NULL (if server is a LECP) */
|
|
if (metadata != NULL) {
|
|
if (lasso_provider_load_metadata_from_buffer(LASSO_PROVIDER(server), metadata) == FALSE) {
|
|
message(G_LOG_LEVEL_CRITICAL,
|
|
"Failed to load metadata from preloaded buffer");
|
|
lasso_release_gobject(server);
|
|
return NULL;
|
|
}
|
|
}
|
|
lasso_assign_string(server->certificate, certificate_content);
|
|
if (private_key_content) {
|
|
lasso_assign_string(server->private_key, private_key_content);
|
|
lasso_assign_string(server->private_key_password, private_key_password);
|
|
|
|
if (lasso_server_set_encryption_private_key_with_password(server, private_key_content,
|
|
private_key_password) != 0) {
|
|
message(G_LOG_LEVEL_WARNING, "Cannot load the private key");
|
|
lasso_release_gobject(server);
|
|
return NULL;
|
|
}
|
|
}
|
|
lasso_provider_load_public_key(&server->parent, LASSO_PUBLIC_KEY_SIGNING);
|
|
lasso_provider_load_public_key(&server->parent, LASSO_PUBLIC_KEY_ENCRYPTION);
|
|
|
|
return server;
|
|
}
|
|
/**
|
|
* lasso_server_new_from_dump:
|
|
* @dump: XML server dump
|
|
*
|
|
* Restores the @dump to a new #LassoServer.
|
|
*
|
|
* Return value: a newly created #LassoServer; or NULL if an error occured
|
|
**/
|
|
LassoServer*
|
|
lasso_server_new_from_dump(const gchar *dump)
|
|
{
|
|
LassoServer *server;
|
|
|
|
server = (LassoServer*)lasso_node_new_from_dump(dump);
|
|
if (! LASSO_IS_SERVER(server)) {
|
|
lasso_release_gobject(server);
|
|
}
|
|
return server;
|
|
}
|
|
|
|
/**
|
|
* lasso_server_dump:
|
|
* @server: a #LassoServer
|
|
*
|
|
* Dumps @server content to an XML string.
|
|
*
|
|
* Return value:(transfer full): the dump string. It must be freed by the caller.
|
|
**/
|
|
gchar*
|
|
lasso_server_dump(LassoServer *server)
|
|
{
|
|
return lasso_node_dump(LASSO_NODE(server));
|
|
}
|
|
|
|
/**
|
|
* lasso_server_get_private_key:
|
|
* @server: a #LassoServer object
|
|
*
|
|
* Return value:(transfer full): a newly created #xmlSecKey object.
|
|
*/
|
|
xmlSecKey*
|
|
lasso_server_get_private_key(LassoServer *server)
|
|
{
|
|
if (! LASSO_IS_SERVER(server))
|
|
return NULL;
|
|
|
|
if (! server->private_key)
|
|
return NULL;
|
|
|
|
return lasso_xmlsec_load_private_key(server->private_key, server->private_key_password,
|
|
server->signature_method, server->certificate);
|
|
}
|
|
|
|
/**
|
|
* lasso_server_get_signature_context_for_provider:
|
|
* @server: a #LassoServer object
|
|
* @provider: a #LassoProvider object
|
|
*
|
|
* Find the key and signature method to sign messages adressed to @provider. If @provider has an
|
|
* override over the private key of the @server object, use this override.
|
|
*
|
|
* The returned context content is now owned by the caller, if it must survives the @server or
|
|
* @provider object life, the key should be copied.
|
|
*
|
|
* Return value: 0 if successful, an error code otherwise.
|
|
*
|
|
*/
|
|
lasso_error_t
|
|
lasso_server_get_signature_context_for_provider(LassoServer *server,
|
|
LassoProvider *provider, LassoSignatureContext *signature_context)
|
|
{
|
|
lasso_error_t rc = 0;
|
|
LassoSignatureContext *private_context = NULL;
|
|
|
|
lasso_bad_param(SERVER, server);
|
|
lasso_null_param(signature_context);
|
|
|
|
if (provider) {
|
|
lasso_bad_param(PROVIDER, provider);
|
|
private_context = &provider->private_data->signature_context;
|
|
}
|
|
|
|
if (private_context && lasso_validate_signature_method(private_context->signature_method)) {
|
|
lasso_assign_signature_context(*signature_context, *private_context);
|
|
} else {
|
|
rc = lasso_server_get_signature_context(server, signature_context);
|
|
}
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
/**
|
|
* lasso_server_get_signature_context:
|
|
* @server: a #LassoServer object
|
|
* @context: a pointer to an allocated and initialized #LassoSignatureContext structure
|
|
*
|
|
* Try to create a signature context for this server. Beware that you should better use
|
|
* lasso_server_get_signature_context_for_provider() or
|
|
* lasso_server_get_signature_context_for_provider_by_name() in mot of the case when you know the
|
|
* target for your signature, because the provider could have special signature needs, like using a
|
|
* shared secret signature.
|
|
*
|
|
* Return value: 0 if successful, an error code otherwise.
|
|
*/
|
|
lasso_error_t
|
|
lasso_server_get_signature_context(LassoServer *server, LassoSignatureContext *context)
|
|
{
|
|
lasso_bad_param(SERVER, server);
|
|
lasso_null_param(context);
|
|
|
|
lasso_assign_new_signature_context(*context,
|
|
lasso_make_signature_context_from_path_or_string(
|
|
server->private_key, server->private_key_password,
|
|
server->signature_method, server->certificate));
|
|
if (! lasso_validate_signature_context(*context)) {
|
|
return LASSO_DS_ERROR_PRIVATE_KEY_LOAD_FAILED;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* lasso_server_get_signature_context_for_provider_by_name:
|
|
* @server: a #LassoServer object
|
|
* @provider_id: the identifier of a known provider
|
|
*
|
|
* Find the key and signature method to sign messages adressed to @provider. If @provider has an
|
|
* override over the private key of the @server object, use this override.
|
|
*
|
|
* The returned context content is now owned by the caller, if it must survives the @server or
|
|
* provider object life, the key should be copied.
|
|
*
|
|
* Return value: 0 if successful, an error code otherwise.
|
|
*
|
|
*/
|
|
lasso_error_t
|
|
lasso_server_get_signature_context_for_provider_by_name(LassoServer *server,
|
|
const char *provider_id, LassoSignatureContext *signature_context)
|
|
{
|
|
LassoProvider *provider;
|
|
lasso_bad_param(SERVER, server);
|
|
|
|
provider = lasso_server_get_provider(server, provider_id);
|
|
return lasso_server_get_signature_context_for_provider(server,
|
|
provider, signature_context);
|
|
}
|
|
|
|
/**
|
|
* lasso_server_set_signature_for_provider_by_name:
|
|
* @server: a #LassoServer object
|
|
* @provider_id: the identifier of a known provider
|
|
* @node: a #LassoNode object
|
|
*
|
|
* Return value: 0 if successful, an error code otherwise.
|
|
*/
|
|
lasso_error_t
|
|
lasso_server_set_signature_for_provider_by_name(LassoServer *server, const char *provider_id, LassoNode *node)
|
|
{
|
|
LassoSignatureContext context = LASSO_SIGNATURE_CONTEXT_NONE;
|
|
lasso_error_t rc = 0;
|
|
|
|
lasso_check_good_rc(lasso_server_get_signature_context_for_provider_by_name(server,
|
|
provider_id, &context));
|
|
lasso_node_set_signature(node, context);
|
|
cleanup:
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lasso_server_export_to_query_for_provider_by_name:
|
|
* @server: a #LassoServer object
|
|
* @provider_id: the identifier of a known provider
|
|
* @node: a #LassoNode object
|
|
*
|
|
* Return value: 0 if successful, an error code otherwise.
|
|
*/
|
|
lasso_error_t
|
|
lasso_server_export_to_query_for_provider_by_name(LassoServer *server, const char *provider_id, LassoNode *node, char **out)
|
|
{
|
|
LassoSignatureContext context = LASSO_SIGNATURE_CONTEXT_NONE;
|
|
lasso_error_t rc = 0;
|
|
char *query = NULL;
|
|
|
|
lasso_check_good_rc(lasso_server_get_signature_context_for_provider_by_name(server,
|
|
provider_id, &context));
|
|
query = lasso_node_build_query(node);
|
|
goto_cleanup_if_fail_with_rc(query, LASSO_PROFILE_ERROR_BUILDING_QUERY_FAILED);
|
|
if (lasso_validate_signature_method(context.signature_method)) {
|
|
lasso_assign_new_string(query, lasso_query_sign(query, context));
|
|
}
|
|
goto_cleanup_if_fail_with_rc(query,
|
|
LASSO_PROFILE_ERROR_BUILDING_QUERY_FAILED);
|
|
lasso_assign_new_string(*out, query);
|
|
context = LASSO_SIGNATURE_CONTEXT_NONE;
|
|
cleanup:
|
|
lasso_assign_new_signature_context(context, LASSO_SIGNATURE_CONTEXT_NONE);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* lasso_server_get_encryption_private_keys:
|
|
* @server: a #LassoServer object
|
|
*
|
|
* Return:(transfer none)(element-type xmlSecKeyPtr): a GList of xmlSecKey object, it is owned by the #LassoServer object, so do not
|
|
* free it.
|
|
*/
|
|
GList*
|
|
lasso_server_get_encryption_private_keys(LassoServer *server)
|
|
{
|
|
if (! LASSO_IS_SERVER(server))
|
|
return NULL;
|
|
|
|
if (! server->private_data)
|
|
return NULL;
|
|
|
|
return server->private_data->encryption_private_keys;
|
|
}
|
|
|
|
/**
|
|
* lasso_server_load_metadata:
|
|
* @server: a #LassoServer object
|
|
* @role: a #LassoProviderRole value
|
|
* @federation_file: path to a SAML 2.0 metadata file
|
|
* @trusted_roots:(allow-none): a PEM encoded files containing the certificates to check signatures
|
|
* on the metadata file (optional)
|
|
* @blacklisted_entity_ids:(allow-none)(element-type string): a list of EntityID which should not be
|
|
* loaded, can be NULL.
|
|
* @loaded_entity_ids:(transfer full)(element-type string)(allow-none): an output parameter for the
|
|
* list of the loaded EntityID, can be NULL.
|
|
* @flags: flags modifying the behaviour for checking signatures on EntityDescriptor and
|
|
* EntitiesDescriptors nodes.
|
|
*
|
|
* Load all the SAML 2.0 entities from @federation_file which contains a declaration for @role. If
|
|
* @trusted_roots is non-NULL, use it to check a signature on the metadata file, otherwise ignore
|
|
* signature validation.
|
|
*
|
|
* Return value: 0 on success, an error code otherwise, among:
|
|
* <itemizedlist>
|
|
* <listitem><para>
|
|
* LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ if server is not a #LassoServer object or @role is not a
|
|
* valid role value,
|
|
* </para></listitem>
|
|
* <listitem><para>
|
|
* LASSO_DS_ERROR_CA_CERT_CHAIN_LOAD_FAILED if the @trusted_root file cannot be loaded,
|
|
* </listitem></para>
|
|
* </itemizedlist>
|
|
*/
|
|
lasso_error_t
|
|
lasso_server_load_metadata(LassoServer *server, LassoProviderRole role, const gchar *federation_file,
|
|
const gchar *trusted_roots, GList *blacklisted_entity_ids,
|
|
GList **loaded_entity_ids, LassoServerLoadMetadataFlag flags)
|
|
{
|
|
xmlDoc *doc = NULL;
|
|
xmlNode *root = NULL;
|
|
xmlSecKeysMngr *keys_mngr = NULL;
|
|
lasso_error_t rc = 0;
|
|
|
|
lasso_bad_param(SERVER, server);
|
|
g_return_val_if_fail(role == LASSO_PROVIDER_ROLE_SP || role == LASSO_PROVIDER_ROLE_IDP,
|
|
LASSO_PARAM_ERROR_BAD_TYPE_OR_NULL_OBJ);
|
|
|
|
if (flags == LASSO_SERVER_LOAD_METADATA_FLAG_DEFAULT) {
|
|
flags = LASSO_SERVER_LOAD_METADATA_FLAG_CHECK_ENTITIES_DESCRIPTOR_SIGNATURE
|
|
| LASSO_SERVER_LOAD_METADATA_FLAG_CHECK_ENTITY_DESCRIPTOR_SIGNATURE
|
|
| LASSO_SERVER_LOAD_METADATA_FLAG_INHERIT_SIGNATURE;
|
|
}
|
|
|
|
if (trusted_roots) {
|
|
keys_mngr = lasso_load_certs_from_pem_certs_chain_file(trusted_roots);
|
|
lasso_return_val_if_fail(keys_mngr != NULL,
|
|
LASSO_DS_ERROR_CA_CERT_CHAIN_LOAD_FAILED);
|
|
}
|
|
doc = lasso_xml_parse_file(federation_file);
|
|
goto_cleanup_if_fail_with_rc(doc, LASSO_SERVER_ERROR_INVALID_XML);
|
|
root = xmlDocGetRootElement(doc);
|
|
if (lasso_strisequal((char*)root->ns->href, LASSO_SAML2_METADATA_HREF)) {
|
|
lasso_check_good_rc(lasso_saml20_server_load_metadata(server, role, doc, root,
|
|
blacklisted_entity_ids, loaded_entity_ids, keys_mngr, flags));
|
|
} else {
|
|
goto_cleanup_with_rc(LASSO_ERROR_UNIMPLEMENTED);
|
|
}
|
|
|
|
cleanup:
|
|
lasso_release_key_manager(keys_mngr);
|
|
lasso_release_doc(doc);
|
|
return rc;
|
|
}
|