| /* GDBus - GLib D-Bus Library |
| * |
| * Copyright (C) 2008-2010 Red Hat, Inc. |
| * |
| * SPDX-License-Identifier: LGPL-2.1-or-later |
| * |
| * 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 <davidz@redhat.com> |
| */ |
| |
| #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, |
| GDBusConnectionFlags conn_flags, |
| 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, |
| GDBusConnectionFlags conn_flags, |
| 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; |
| } |
| |
| /* ---------------------------------------------------------------------------------------------------- */ |