path: root/camel/camel-sasl-anonymous.c

/* -*- 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 version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>
#include "camel-sasl-anonymous.h"
#include "camel-internet-address.h"
#include <string.h>

CamelServiceAuthType camel_sasl_anonymous_authtype = {
    N_("Anonymous"),
    
    N_("This option will connect to the server using an anonymous login."),
    
    "ANONYMOUS",
    FALSE
};

static CamelSaslClass *parent_class = NULL;

/* Returns the class for a CamelSaslAnonymous */
#define CSA_CLASS(so) CAMEL_SASL_ANONYMOUS_CLASS (CAMEL_OBJECT_GET_CLASS (so))

static GByteArray *anon_challenge (CamelSasl *sasl, GByteArray *token, CamelException *ex);

static void
camel_sasl_anonymous_class_init (CamelSaslAnonymousClass *camel_sasl_anonymous_class)
{
    CamelSaslClass *camel_sasl_class = CAMEL_SASL_CLASS (camel_sasl_anonymous_class);
    
    parent_class = CAMEL_SASL_CLASS (camel_type_get_global_classfuncs (camel_sasl_get_type ()));
    
    /* virtual method overload */
    camel_sasl_class->challenge = anon_challenge;
}

static void
camel_sasl_anonymous_finalize (CamelObject *object)
{
    CamelSaslAnonymous *sasl = CAMEL_SASL_ANONYMOUS (object);
    
    g_free (sasl->trace_info);
}


CamelType
camel_sasl_anonymous_get_type (void)
{
    static CamelType type = CAMEL_INVALID_TYPE;
    
    if (type == CAMEL_INVALID_TYPE) {
        type = camel_type_register (camel_sasl_get_type (),
                        "CamelSaslAnonymous",
                        sizeof (CamelSaslAnonymous),
                        sizeof (CamelSaslAnonymousClass),
                        (CamelObjectClassInitFunc) camel_sasl_anonymous_class_init,
                        NULL,
                        NULL,
                        (CamelObjectFinalizeFunc) camel_sasl_anonymous_finalize);
    }
    
    return type;
}

CamelSasl *
camel_sasl_anonymous_new (CamelSaslAnonTraceType type, const char *trace_info)
{
    CamelSaslAnonymous *sasl_anon;
    
    if (!trace_info && type != CAMEL_SASL_ANON_TRACE_EMPTY) return NULL;
    
    sasl_anon = CAMEL_SASL_ANONYMOUS (camel_object_new (camel_sasl_anonymous_get_type ()));
    sasl_anon->trace_info = g_strdup (trace_info);
    sasl_anon->type = type;
    
    return CAMEL_SASL (sasl_anon);
}

static GByteArray *
anon_challenge (CamelSasl *sasl, GByteArray *token, CamelException *ex)
{
    CamelSaslAnonymous *sasl_anon = CAMEL_SASL_ANONYMOUS (sasl);
    CamelInternetAddress *cia;
    GByteArray *ret = NULL;

    if (token) {
        camel_exception_set (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
                     _("Authentication failed."));
        return NULL;
    }

    switch (sasl_anon->type) {
    case CAMEL_SASL_ANON_TRACE_EMAIL:
        cia = camel_internet_address_new ();
        if (camel_internet_address_add (cia, NULL, sasl_anon->trace_info) != 1) {
            camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
                          _("Invalid email address trace information:\n%s"),
                          sasl_anon->trace_info);
            camel_object_unref (CAMEL_OBJECT (cia));
            return NULL;
        }
        camel_object_unref (CAMEL_OBJECT (cia));
        ret = g_byte_array_new ();
        g_byte_array_append (ret, sasl_anon->trace_info, strlen (sasl_anon->trace_info));
        break;
    case CAMEL_SASL_ANON_TRACE_OPAQUE:
        if (strchr (sasl_anon->trace_info, '@')) {
            camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
                          _("Invalid opaque trace information:\n%s"),
                          sasl_anon->trace_info);
            return NULL;
        }
        ret = g_byte_array_new ();
        g_byte_array_append (ret, sasl_anon->trace_info, strlen (sasl_anon->trace_info));
        break;
    case CAMEL_SASL_ANON_TRACE_EMPTY:
        ret = g_byte_array_new ();
        break;
    default:
        camel_exception_setv (ex, CAMEL_EXCEPTION_SERVICE_CANT_AUTHENTICATE,
                      _("Invalid trace information:\n%s"),
                      sasl_anon->trace_info);
        return NULL;
    }

    sasl->authenticated = TRUE;
    return ret;
}