2 * empathy-server-tls-handler.c - Source for EmpathyServerTLSHandler
3 * Copyright (C) 2010 Collabora Ltd.
4 * @author Cosimo Cecchi <cosimo.cecchi@collabora.co.uk>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "empathy-server-tls-handler.h"
25 #include <telepathy-glib/interfaces.h>
26 #include <telepathy-glib/util.h>
28 #define DEBUG_FLAG EMPATHY_DEBUG_TLS
29 #include "empathy-debug.h"
30 #include "empathy-tls-certificate.h"
31 #include "empathy-utils.h"
33 #include "extensions/extensions.h"
35 static void async_initable_iface_init (GAsyncInitableIface *iface);
41 PROP_REFERENCE_IDENTITIES,
48 EmpathyTLSCertificate *certificate;
50 gchar **reference_identities;
52 GSimpleAsyncResult *async_init_res;
53 } EmpathyServerTLSHandlerPriv;
55 G_DEFINE_TYPE_WITH_CODE (EmpathyServerTLSHandler, empathy_server_tls_handler,
57 G_IMPLEMENT_INTERFACE (G_TYPE_ASYNC_INITABLE, async_initable_iface_init));
59 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyServerTLSHandler);
62 tls_certificate_prepared_cb (GObject *source,
66 EmpathyTLSCertificate *certificate = EMPATHY_TLS_CERTIFICATE (source);
67 EmpathyServerTLSHandler *self = user_data;
69 EmpathyServerTLSHandlerPriv *priv = GET_PRIV (self);
71 empathy_tls_certificate_prepare_finish (certificate, result, &error);
75 g_simple_async_result_set_from_error (priv->async_init_res, error);
79 g_simple_async_result_complete_in_idle (priv->async_init_res);
80 tp_clear_object (&priv->async_init_res);
84 tls_handler_init_finish (GAsyncInitable *initable,
88 gboolean retval = TRUE;
90 if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res),
98 tls_handler_init_async (GAsyncInitable *initable,
100 GCancellable *cancellable,
101 GAsyncReadyCallback callback,
104 GHashTable *properties;
105 const gchar *cert_object_path;
106 const gchar *hostname;
107 const gchar * const *identities;
108 const gchar *bus_name;
110 GError *error = NULL;
112 * Used when channel doesn't implement ReferenceIdentities. A GStrv
113 * with [0] the hostname, and [1] a NULL terminator.
115 gchar *default_identities[2];
116 EmpathyServerTLSHandler *self = EMPATHY_SERVER_TLS_HANDLER (initable);
117 EmpathyServerTLSHandlerPriv *priv = GET_PRIV (self);
119 g_assert (priv->channel != NULL);
121 priv->async_init_res = g_simple_async_result_new (G_OBJECT (self),
122 callback, user_data, empathy_server_tls_handler_new_async);
123 properties = tp_channel_borrow_immutable_properties (priv->channel);
125 hostname = tp_asv_get_string (properties,
126 TP_PROP_CHANNEL_TYPE_SERVER_TLS_CONNECTION_HOSTNAME);
127 priv->hostname = g_strdup (hostname);
129 DEBUG ("Received hostname: %s", hostname);
131 identities = tp_asv_get_strv (properties,
132 TP_PROP_CHANNEL_TYPE_SERVER_TLS_CONNECTION_REFERENCE_IDENTITIES);
135 * If the channel doesn't implement the ReferenceIdentities parameter
136 * then fallback to the hostname.
138 if (identities == NULL)
140 default_identities[0] = (gchar *) hostname;
141 default_identities[1] = NULL;
142 identities = (const gchar **) default_identities;
147 gchar *output = g_strjoinv (", ", (gchar **) identities);
148 DEBUG ("Received reference identities: %s", output);
150 #endif /* ENABLE_DEBUG */
153 priv->reference_identities = g_strdupv ((gchar **) identities);
155 cert_object_path = tp_asv_get_object_path (properties,
156 EMP_IFACE_CHANNEL_TYPE_SERVER_TLS_CONNECTION ".ServerCertificate");
157 bus_name = tp_proxy_get_bus_name (TP_PROXY (priv->channel));
158 dbus = tp_proxy_get_dbus_daemon (TP_PROXY (priv->channel));
160 DEBUG ("Creating an EmpathyTLSCertificate for path %s, bus name %s",
161 cert_object_path, bus_name);
163 priv->certificate = empathy_tls_certificate_new (dbus, bus_name,
164 cert_object_path, &error);
168 DEBUG ("Unable to create the EmpathyTLSCertificate: error %s",
171 g_simple_async_result_set_from_error (priv->async_init_res, error);
172 g_simple_async_result_complete_in_idle (priv->async_init_res);
174 g_error_free (error);
175 tp_clear_object (&priv->async_init_res);
180 empathy_tls_certificate_prepare_async (priv->certificate,
181 tls_certificate_prepared_cb, self);
185 async_initable_iface_init (GAsyncInitableIface *iface)
187 iface->init_async = tls_handler_init_async;
188 iface->init_finish = tls_handler_init_finish;
192 empathy_server_tls_handler_finalize (GObject *object)
194 EmpathyServerTLSHandlerPriv *priv = GET_PRIV (object);
196 DEBUG ("%p", object);
198 tp_clear_object (&priv->channel);
199 tp_clear_object (&priv->certificate);
200 g_strfreev (priv->reference_identities);
201 g_free (priv->hostname);
203 G_OBJECT_CLASS (empathy_server_tls_handler_parent_class)->finalize (object);
207 empathy_server_tls_handler_get_property (GObject *object,
212 EmpathyServerTLSHandlerPriv *priv = GET_PRIV (object);
217 g_value_set_object (value, priv->channel);
219 case PROP_TLS_CERTIFICATE:
220 g_value_set_object (value, priv->certificate);
223 g_value_set_string (value, priv->hostname);
225 case PROP_REFERENCE_IDENTITIES:
226 g_value_set_boxed (value, priv->reference_identities);
229 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
235 empathy_server_tls_handler_set_property (GObject *object,
240 EmpathyServerTLSHandlerPriv *priv = GET_PRIV (object);
245 priv->channel = g_value_dup_object (value);
248 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
254 empathy_server_tls_handler_class_init (EmpathyServerTLSHandlerClass *klass)
256 GObjectClass *oclass = G_OBJECT_CLASS (klass);
259 oclass->get_property = empathy_server_tls_handler_get_property;
260 oclass->set_property = empathy_server_tls_handler_set_property;
261 oclass->finalize = empathy_server_tls_handler_finalize;
263 g_type_class_add_private (klass, sizeof (EmpathyServerTLSHandlerPriv));
265 pspec = g_param_spec_object ("channel", "The TpChannel",
266 "The TpChannel this handler is supposed to handle.",
268 G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
269 g_object_class_install_property (oclass, PROP_CHANNEL, pspec);
271 pspec = g_param_spec_object ("certificate", "The EmpathyTLSCertificate",
272 "The EmpathyTLSCertificate carried by the channel.",
273 EMPATHY_TYPE_TLS_CERTIFICATE,
274 G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
275 g_object_class_install_property (oclass, PROP_TLS_CERTIFICATE, pspec);
277 pspec = g_param_spec_string ("hostname", "The hostname",
278 "The hostname the user is expecting to connect to.",
280 G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
281 g_object_class_install_property (oclass, PROP_HOSTNAME, pspec);
283 pspec = g_param_spec_boxed ("reference-identities", "Reference Identities",
284 "The server certificate should certify one of these identities",
285 G_TYPE_STRV, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
286 g_object_class_install_property (oclass, PROP_REFERENCE_IDENTITIES, pspec);
291 empathy_server_tls_handler_init (EmpathyServerTLSHandler *self)
293 self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
294 EMPATHY_TYPE_SERVER_TLS_HANDLER, EmpathyServerTLSHandlerPriv);
298 empathy_server_tls_handler_new_async (TpChannel *channel,
299 GAsyncReadyCallback callback,
302 g_assert (TP_IS_CHANNEL (channel));
303 g_assert (channel != NULL);
305 g_async_initable_new_async (EMPATHY_TYPE_SERVER_TLS_HANDLER,
306 G_PRIORITY_DEFAULT, NULL, callback, user_data,
307 "channel", channel, NULL);
310 EmpathyServerTLSHandler *
311 empathy_server_tls_handler_new_finish (GAsyncResult *result,
314 GObject *object, *source_object;
316 source_object = g_async_result_get_source_object (result);
318 object = g_async_initable_new_finish (G_ASYNC_INITABLE (source_object),
320 g_object_unref (source_object);
323 return EMPATHY_SERVER_TLS_HANDLER (object);
328 EmpathyTLSCertificate *
329 empathy_server_tls_handler_get_certificate (EmpathyServerTLSHandler *self)
331 EmpathyServerTLSHandlerPriv *priv = GET_PRIV (self);
333 g_assert (priv->certificate != NULL);
335 return priv->certificate;