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gdbusauthmechanismanon.c
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/* GDBus - GLib D-Bus Library
*
* Copyright (C) 2008-2010 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: David Zeuthen <[email protected]>
*/
#include "config.h"
#include "gdbusauthmechanismanon.h"
#include "gdbuserror.h"
#include "gioenumtypes.h"
#include "glibintl.h"
struct _GDBusAuthMechanismAnonPrivate
{
gboolean is_client;
gboolean is_server;
GDBusAuthMechanismState state;
};
static gint mechanism_get_priority (void);
static const gchar *mechanism_get_name (void);
static gboolean mechanism_is_supported (GDBusAuthMechanism *mechanism);
static gchar *mechanism_encode_data (GDBusAuthMechanism *mechanism,
const gchar *data,
gsize data_len,
gsize *out_data_len);
static gchar *mechanism_decode_data (GDBusAuthMechanism *mechanism,
const gchar *data,
gsize data_len,
gsize *out_data_len);
static GDBusAuthMechanismState mechanism_server_get_state (GDBusAuthMechanism *mechanism);
static void mechanism_server_initiate (GDBusAuthMechanism *mechanism,
const gchar *initial_response,
gsize initial_response_len);
static void mechanism_server_data_receive (GDBusAuthMechanism *mechanism,
const gchar *data,
gsize data_len);
static gchar *mechanism_server_data_send (GDBusAuthMechanism *mechanism,
gsize *out_data_len);
static gchar *mechanism_server_get_reject_reason (GDBusAuthMechanism *mechanism);
static void mechanism_server_shutdown (GDBusAuthMechanism *mechanism);
static GDBusAuthMechanismState mechanism_client_get_state (GDBusAuthMechanism *mechanism);
static gchar *mechanism_client_initiate (GDBusAuthMechanism *mechanism,
gsize *out_initial_response_len);
static void mechanism_client_data_receive (GDBusAuthMechanism *mechanism,
const gchar *data,
gsize data_len);
static gchar *mechanism_client_data_send (GDBusAuthMechanism *mechanism,
gsize *out_data_len);
static void mechanism_client_shutdown (GDBusAuthMechanism *mechanism);
/* ---------------------------------------------------------------------------------------------------- */
G_DEFINE_TYPE_WITH_PRIVATE (GDBusAuthMechanismAnon, _g_dbus_auth_mechanism_anon, G_TYPE_DBUS_AUTH_MECHANISM)
/* ---------------------------------------------------------------------------------------------------- */
static void
_g_dbus_auth_mechanism_anon_finalize (GObject *object)
{
//GDBusAuthMechanismAnon *mechanism = G_DBUS_AUTH_MECHANISM_ANON (object);
if (G_OBJECT_CLASS (_g_dbus_auth_mechanism_anon_parent_class)->finalize != NULL)
G_OBJECT_CLASS (_g_dbus_auth_mechanism_anon_parent_class)->finalize (object);
}
static void
_g_dbus_auth_mechanism_anon_class_init (GDBusAuthMechanismAnonClass *klass)
{
GObjectClass *gobject_class;
GDBusAuthMechanismClass *mechanism_class;
gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = _g_dbus_auth_mechanism_anon_finalize;
mechanism_class = G_DBUS_AUTH_MECHANISM_CLASS (klass);
mechanism_class->get_priority = mechanism_get_priority;
mechanism_class->get_name = mechanism_get_name;
mechanism_class->is_supported = mechanism_is_supported;
mechanism_class->encode_data = mechanism_encode_data;
mechanism_class->decode_data = mechanism_decode_data;
mechanism_class->server_get_state = mechanism_server_get_state;
mechanism_class->server_initiate = mechanism_server_initiate;
mechanism_class->server_data_receive = mechanism_server_data_receive;
mechanism_class->server_data_send = mechanism_server_data_send;
mechanism_class->server_get_reject_reason = mechanism_server_get_reject_reason;
mechanism_class->server_shutdown = mechanism_server_shutdown;
mechanism_class->client_get_state = mechanism_client_get_state;
mechanism_class->client_initiate = mechanism_client_initiate;
mechanism_class->client_data_receive = mechanism_client_data_receive;
mechanism_class->client_data_send = mechanism_client_data_send;
mechanism_class->client_shutdown = mechanism_client_shutdown;
}
static void
_g_dbus_auth_mechanism_anon_init (GDBusAuthMechanismAnon *mechanism)
{
mechanism->priv = _g_dbus_auth_mechanism_anon_get_instance_private (mechanism);
}
/* ---------------------------------------------------------------------------------------------------- */
static gint
mechanism_get_priority (void)
{
/* We prefer ANONYMOUS to most other mechanism (such as DBUS_COOKIE_SHA1) but not to EXTERNAL */
return 50;
}
static const gchar *
mechanism_get_name (void)
{
return "ANONYMOUS";
}
static gboolean
mechanism_is_supported (GDBusAuthMechanism *mechanism)
{
g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM_ANON (mechanism), FALSE);
return TRUE;
}
static gchar *
mechanism_encode_data (GDBusAuthMechanism *mechanism,
const gchar *data,
gsize data_len,
gsize *out_data_len)
{
return NULL;
}
static gchar *
mechanism_decode_data (GDBusAuthMechanism *mechanism,
const gchar *data,
gsize data_len,
gsize *out_data_len)
{
return NULL;
}
/* ---------------------------------------------------------------------------------------------------- */
static GDBusAuthMechanismState
mechanism_server_get_state (GDBusAuthMechanism *mechanism)
{
GDBusAuthMechanismAnon *m = G_DBUS_AUTH_MECHANISM_ANON (mechanism);
g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM_ANON (mechanism), G_DBUS_AUTH_MECHANISM_STATE_INVALID);
g_return_val_if_fail (m->priv->is_server && !m->priv->is_client, G_DBUS_AUTH_MECHANISM_STATE_INVALID);
return m->priv->state;
}
static void
mechanism_server_initiate (GDBusAuthMechanism *mechanism,
const gchar *initial_response,
gsize initial_response_len)
{
GDBusAuthMechanismAnon *m = G_DBUS_AUTH_MECHANISM_ANON (mechanism);
g_return_if_fail (G_IS_DBUS_AUTH_MECHANISM_ANON (mechanism));
g_return_if_fail (!m->priv->is_server && !m->priv->is_client);
//g_debug ("ANONYMOUS: initial_response was '%s'", initial_response);
m->priv->is_server = TRUE;
m->priv->state = G_DBUS_AUTH_MECHANISM_STATE_ACCEPTED;
}
static void
mechanism_server_data_receive (GDBusAuthMechanism *mechanism,
const gchar *data,
gsize data_len)
{
GDBusAuthMechanismAnon *m = G_DBUS_AUTH_MECHANISM_ANON (mechanism);
g_return_if_fail (G_IS_DBUS_AUTH_MECHANISM_ANON (mechanism));
g_return_if_fail (m->priv->is_server && !m->priv->is_client);
g_return_if_fail (m->priv->state == G_DBUS_AUTH_MECHANISM_STATE_WAITING_FOR_DATA);
/* can never end up here because we are never in the WAITING_FOR_DATA state */
g_assert_not_reached ();
}
static gchar *
mechanism_server_data_send (GDBusAuthMechanism *mechanism,
gsize *out_data_len)
{
GDBusAuthMechanismAnon *m = G_DBUS_AUTH_MECHANISM_ANON (mechanism);
g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM_ANON (mechanism), NULL);
g_return_val_if_fail (m->priv->is_server && !m->priv->is_client, NULL);
g_return_val_if_fail (m->priv->state == G_DBUS_AUTH_MECHANISM_STATE_HAVE_DATA_TO_SEND, NULL);
/* can never end up here because we are never in the HAVE_DATA_TO_SEND state */
g_assert_not_reached ();
return NULL;
}
static gchar *
mechanism_server_get_reject_reason (GDBusAuthMechanism *mechanism)
{
GDBusAuthMechanismAnon *m = G_DBUS_AUTH_MECHANISM_ANON (mechanism);
g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM_ANON (mechanism), NULL);
g_return_val_if_fail (m->priv->is_server && !m->priv->is_client, NULL);
g_return_val_if_fail (m->priv->state == G_DBUS_AUTH_MECHANISM_STATE_REJECTED, NULL);
/* can never end up here because we are never in the REJECTED state */
g_assert_not_reached ();
return NULL;
}
static void
mechanism_server_shutdown (GDBusAuthMechanism *mechanism)
{
GDBusAuthMechanismAnon *m = G_DBUS_AUTH_MECHANISM_ANON (mechanism);
g_return_if_fail (G_IS_DBUS_AUTH_MECHANISM_ANON (mechanism));
g_return_if_fail (m->priv->is_server && !m->priv->is_client);
m->priv->is_server = FALSE;
}
/* ---------------------------------------------------------------------------------------------------- */
static GDBusAuthMechanismState
mechanism_client_get_state (GDBusAuthMechanism *mechanism)
{
GDBusAuthMechanismAnon *m = G_DBUS_AUTH_MECHANISM_ANON (mechanism);
g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM_ANON (mechanism), G_DBUS_AUTH_MECHANISM_STATE_INVALID);
g_return_val_if_fail (m->priv->is_client && !m->priv->is_server, G_DBUS_AUTH_MECHANISM_STATE_INVALID);
return m->priv->state;
}
static gchar *
mechanism_client_initiate (GDBusAuthMechanism *mechanism,
gsize *out_initial_response_len)
{
GDBusAuthMechanismAnon *m = G_DBUS_AUTH_MECHANISM_ANON (mechanism);
gchar *result;
g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM_ANON (mechanism), NULL);
g_return_val_if_fail (!m->priv->is_server && !m->priv->is_client, NULL);
m->priv->is_client = TRUE;
m->priv->state = G_DBUS_AUTH_MECHANISM_STATE_ACCEPTED;
/* just return our library name and version */
result = g_strdup ("GDBus 0.1");
*out_initial_response_len = strlen (result);
return result;
}
static void
mechanism_client_data_receive (GDBusAuthMechanism *mechanism,
const gchar *data,
gsize data_len)
{
GDBusAuthMechanismAnon *m = G_DBUS_AUTH_MECHANISM_ANON (mechanism);
g_return_if_fail (G_IS_DBUS_AUTH_MECHANISM_ANON (mechanism));
g_return_if_fail (m->priv->is_client && !m->priv->is_server);
g_return_if_fail (m->priv->state == G_DBUS_AUTH_MECHANISM_STATE_WAITING_FOR_DATA);
/* can never end up here because we are never in the WAITING_FOR_DATA state */
g_assert_not_reached ();
}
static gchar *
mechanism_client_data_send (GDBusAuthMechanism *mechanism,
gsize *out_data_len)
{
GDBusAuthMechanismAnon *m = G_DBUS_AUTH_MECHANISM_ANON (mechanism);
g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM_ANON (mechanism), NULL);
g_return_val_if_fail (m->priv->is_client && !m->priv->is_server, NULL);
g_return_val_if_fail (m->priv->state == G_DBUS_AUTH_MECHANISM_STATE_HAVE_DATA_TO_SEND, NULL);
/* can never end up here because we are never in the HAVE_DATA_TO_SEND state */
g_assert_not_reached ();
return NULL;
}
static void
mechanism_client_shutdown (GDBusAuthMechanism *mechanism)
{
GDBusAuthMechanismAnon *m = G_DBUS_AUTH_MECHANISM_ANON (mechanism);
g_return_if_fail (G_IS_DBUS_AUTH_MECHANISM_ANON (mechanism));
g_return_if_fail (m->priv->is_client && !m->priv->is_server);
m->priv->is_client = FALSE;
}
/* ---------------------------------------------------------------------------------------------------- */