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-rw-r--r--camel/camel-sasl.c256
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diff --git a/camel/camel-sasl.c b/camel/camel-sasl.c
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-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Authors: Jeffrey Stedfast <fejj@ximian.com>
- *
- * Copyright 2001 Ximian, Inc. (www.ximian.com)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
- *
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <string.h>
-#include "camel-sasl.h"
-#include "camel-mime-utils.h"
-#include "camel-service.h"
-
-#include "camel-sasl-cram-md5.h"
-#include "camel-sasl-digest-md5.h"
-#include "camel-sasl-kerberos4.h"
-#include "camel-sasl-login.h"
-#include "camel-sasl-plain.h"
-
-static CamelObjectClass *parent_class = NULL;
-
-/* Returns the class for a CamelSasl */
-#define CS_CLASS(so) CAMEL_SASL_CLASS (CAMEL_OBJECT_GET_CLASS (so))
-
-static GByteArray *sasl_challenge (CamelSasl *sasl, GByteArray *token, CamelException *ex);
-
-static void
-camel_sasl_class_init (CamelSaslClass *camel_sasl_class)
-{
- parent_class = camel_type_get_global_classfuncs (CAMEL_OBJECT_TYPE);
-
- /* virtual method definition */
- camel_sasl_class->challenge = sasl_challenge;
-}
-
-static void
-camel_sasl_finalize (CamelSasl *sasl)
-{
- g_free (sasl->service_name);
- camel_object_unref (CAMEL_OBJECT (sasl->service));
-}
-
-CamelType
-camel_sasl_get_type (void)
-{
- static CamelType type = CAMEL_INVALID_TYPE;
-
- if (type == CAMEL_INVALID_TYPE) {
- type = camel_type_register (CAMEL_OBJECT_TYPE,
- "CamelSasl",
- sizeof (CamelSasl),
- sizeof (CamelSaslClass),
- (CamelObjectClassInitFunc) camel_sasl_class_init,
- NULL,
- NULL,
- (CamelObjectFinalizeFunc) camel_sasl_finalize);
- }
-
- return type;
-}
-
-
-static GByteArray *
-sasl_challenge (CamelSasl *sasl, GByteArray *token, CamelException *ex)
-{
- g_warning ("sasl_challenge: Using default implementation!");
- return NULL;
-}
-
-/**
- * camel_sasl_challenge:
- * @sasl: a SASL object
- * @token: a token, or %NULL
- * @ex: exception
- *
- * If @token is %NULL, generate the initial SASL message to send to
- * the server. (This will be %NULL if the client doesn't initiate the
- * exchange.) Otherwise, @token is a challenge from the server, and
- * the return value is the response.
- *
- * Return value: The SASL response or %NULL. If an error occurred, @ex
- * will also be set.
- **/
-GByteArray *
-camel_sasl_challenge (CamelSasl *sasl, GByteArray *token, CamelException *ex)
-{
- g_return_val_if_fail (CAMEL_IS_SASL (sasl), NULL);
-
- return CS_CLASS (sasl)->challenge (sasl, token, ex);
-}
-
-/**
- * camel_sasl_challenge_base64:
- * @sasl: a SASL object
- * @token: a base64-encoded token
- * @ex: exception
- *
- * As with camel_sasl_challenge(), but the challenge @token and the
- * response are both base64-encoded.
- *
- * Return value: As with camel_sasl_challenge(), but base64-encoded.
- **/
-char *
-camel_sasl_challenge_base64 (CamelSasl *sasl, const char *token, CamelException *ex)
-{
- GByteArray *token_binary, *ret_binary;
- char *ret;
- int len;
-
- g_return_val_if_fail (CAMEL_IS_SASL (sasl), NULL);
-
- if (token) {
- token_binary = g_byte_array_new ();
- len = strlen (token);
- g_byte_array_append (token_binary, token, len);
- token_binary->len = base64_decode_simple (token_binary->data, len);
- } else
- token_binary = NULL;
-
- ret_binary = camel_sasl_challenge (sasl, token_binary, ex);
- if (token_binary)
- g_byte_array_free (token_binary, TRUE);
- if (!ret_binary)
- return NULL;
-
- ret = base64_encode_simple (ret_binary->data, ret_binary->len);
- g_byte_array_free (ret_binary, TRUE);
-
- return ret;
-}
-
-/**
- * camel_sasl_authenticated:
- * @sasl: a SASL object
- *
- * Return value: whether or not @sasl has successfully authenticated
- * the user. This will be %TRUE after it returns the last needed response.
- * The caller must still pass that information on to the server and verify
- * that it has accepted it.
- **/
-gboolean
-camel_sasl_authenticated (CamelSasl *sasl)
-{
- return sasl->authenticated;
-}
-
-
-/**
- * camel_sasl_new:
- * @service_name: the SASL service name
- * @mechanism: the SASL mechanism
- * @service: the CamelService that will be using this SASL
- *
- * Return value: a new CamelSasl for the given @service_name,
- * @mechanism, and @service, or %NULL if the mechanism is not
- * supported.
- **/
-CamelSasl *
-camel_sasl_new (const char *service_name, const char *mechanism, CamelService *service)
-{
- CamelSasl *sasl;
-
- g_return_val_if_fail (service_name != NULL, NULL);
- g_return_val_if_fail (mechanism != NULL, NULL);
- g_return_val_if_fail (CAMEL_IS_SERVICE (service), NULL);
-
- /* We don't do ANONYMOUS here, because it's a little bit weird. */
-
- if (!strcmp (mechanism, "CRAM-MD5"))
- sasl = (CamelSasl *)camel_object_new (CAMEL_SASL_CRAM_MD5_TYPE);
- else if (!strcmp (mechanism, "DIGEST-MD5"))
- sasl = (CamelSasl *)camel_object_new (CAMEL_SASL_DIGEST_MD5_TYPE);
-#ifdef HAVE_KRB4
- else if (!strcmp (mechanism, "KERBEROS_V4"))
- sasl = (CamelSasl *)camel_object_new (CAMEL_SASL_KERBEROS4_TYPE);
-#endif
- else if (!strcmp (mechanism, "PLAIN"))
- sasl = (CamelSasl *)camel_object_new (CAMEL_SASL_PLAIN_TYPE);
- else if (!strcmp (mechanism, "LOGIN"))
- sasl = (CamelSasl *)camel_object_new (CAMEL_SASL_LOGIN_TYPE);
- else
- return NULL;
-
- sasl->service_name = g_strdup (service_name);
- sasl->service = service;
- camel_object_ref (CAMEL_OBJECT (service));
-
- return sasl;
-}
-
-/**
- * camel_sasl_authtype_list:
- * @include_plain: whether or not to include the PLAIN mechanism
- *
- * Return value: a GList of SASL-supported authtypes. The caller must
- * free the list, but not the contents.
- **/
-GList *
-camel_sasl_authtype_list (gboolean include_plain)
-{
- GList *types = NULL;
-
- types = g_list_prepend (types, &camel_sasl_cram_md5_authtype);
- types = g_list_prepend (types, &camel_sasl_digest_md5_authtype);
-#ifdef HAVE_KRB4
- types = g_list_prepend (types, &camel_sasl_kerberos4_authtype);
-#endif
- if (include_plain)
- types = g_list_prepend (types, &camel_sasl_plain_authtype);
-
- return types;
-}
-
-/**
- * camel_sasl_authtype:
- * @mechanism: the SASL mechanism to get an authtype for
- *
- * Return value: a CamelServiceAuthType for the given mechanism, if
- * it is supported.
- **/
-CamelServiceAuthType *
-camel_sasl_authtype (const char *mechanism)
-{
- if (!strcmp (mechanism, "CRAM-MD5"))
- return &camel_sasl_cram_md5_authtype;
- else if (!strcmp (mechanism, "DIGEST-MD5"))
- return &camel_sasl_digest_md5_authtype;
-#ifdef HAVE_KRB4
- else if (!strcmp (mechanism, "KERBEROS_V4"))
- return &camel_sasl_kerberos4_authtype;
-#endif
- else if (!strcmp (mechanism, "PLAIN"))
- return &camel_sasl_plain_authtype;
- else if (!strcmp (mechanism, "LOGIN"))
- return &camel_sasl_login_authtype;
- else
- return NULL;
-}