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
25 #include "empathy-server-tls-handler.h"
27 #include <telepathy-glib/interfaces.h>
28 #include <telepathy-glib/util.h>
30 #define DEBUG_FLAG EMPATHY_DEBUG_TLS
31 #include "empathy-debug.h"
32 #include "empathy-tls-certificate.h"
33 #include "empathy-utils.h"
35 #include "extensions/extensions.h"
37 static void async_initable_iface_init (GAsyncInitableIface *iface);
43 PROP_REFERENCE_IDENTITIES,
50 EmpathyTLSCertificate *certificate;
52 gchar **reference_identities;
54 GSimpleAsyncResult *async_init_res;
55 } EmpathyServerTLSHandlerPriv;
57 G_DEFINE_TYPE_WITH_CODE (EmpathyServerTLSHandler, empathy_server_tls_handler,
59 G_IMPLEMENT_INTERFACE (G_TYPE_ASYNC_INITABLE, async_initable_iface_init));
61 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyServerTLSHandler);
64 tls_certificate_prepared_cb (GObject *source,
68 EmpathyTLSCertificate *certificate = EMPATHY_TLS_CERTIFICATE (source);
69 EmpathyServerTLSHandler *self = user_data;
71 EmpathyServerTLSHandlerPriv *priv = GET_PRIV (self);
73 empathy_tls_certificate_prepare_finish (certificate, result, &error);
77 g_simple_async_result_set_from_error (priv->async_init_res, error);
81 g_simple_async_result_complete_in_idle (priv->async_init_res);
82 tp_clear_object (&priv->async_init_res);
86 tls_handler_init_finish (GAsyncInitable *initable,
90 gboolean retval = TRUE;
92 if (g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res),
100 tls_handler_init_async (GAsyncInitable *initable,
102 GCancellable *cancellable,
103 GAsyncReadyCallback callback,
106 GHashTable *properties;
107 const gchar *cert_object_path;
108 const gchar *hostname;
109 const gchar * const *identities;
110 const gchar *bus_name;
112 GError *error = NULL;
114 * Used when channel doesn't implement ReferenceIdentities. A GStrv
115 * with [0] the hostname, and [1] a NULL terminator.
117 gchar *default_identities[2];
118 EmpathyServerTLSHandler *self = EMPATHY_SERVER_TLS_HANDLER (initable);
119 EmpathyServerTLSHandlerPriv *priv = GET_PRIV (self);
121 g_assert (priv->channel != NULL);
123 priv->async_init_res = g_simple_async_result_new (G_OBJECT (self),
124 callback, user_data, empathy_server_tls_handler_new_async);
125 properties = tp_channel_borrow_immutable_properties (priv->channel);
127 hostname = tp_asv_get_string (properties,
128 TP_PROP_CHANNEL_TYPE_SERVER_TLS_CONNECTION_HOSTNAME);
129 priv->hostname = g_strdup (hostname);
131 DEBUG ("Received hostname: %s", hostname);
133 identities = tp_asv_get_strv (properties,
134 TP_PROP_CHANNEL_TYPE_SERVER_TLS_CONNECTION_REFERENCE_IDENTITIES);
137 * If the channel doesn't implement the ReferenceIdentities parameter
138 * then fallback to the hostname.
140 if (identities == NULL)
142 default_identities[0] = (gchar *) hostname;
143 default_identities[1] = NULL;
144 identities = (const gchar **) default_identities;
149 gchar *output = g_strjoinv (", ", (gchar **) identities);
150 DEBUG ("Received reference identities: %s", output);
152 #endif /* ENABLE_DEBUG */
155 priv->reference_identities = g_strdupv ((gchar **) identities);
157 cert_object_path = tp_asv_get_object_path (properties,
158 EMP_IFACE_CHANNEL_TYPE_SERVER_TLS_CONNECTION ".ServerCertificate");
159 bus_name = tp_proxy_get_bus_name (TP_PROXY (priv->channel));
160 dbus = tp_proxy_get_dbus_daemon (TP_PROXY (priv->channel));
162 DEBUG ("Creating an EmpathyTLSCertificate for path %s, bus name %s",
163 cert_object_path, bus_name);
165 priv->certificate = empathy_tls_certificate_new (dbus, bus_name,
166 cert_object_path, &error);
170 DEBUG ("Unable to create the EmpathyTLSCertificate: error %s",
173 g_simple_async_result_set_from_error (priv->async_init_res, error);
174 g_simple_async_result_complete_in_idle (priv->async_init_res);
176 g_error_free (error);
177 tp_clear_object (&priv->async_init_res);
182 empathy_tls_certificate_prepare_async (priv->certificate,
183 tls_certificate_prepared_cb, self);
187 async_initable_iface_init (GAsyncInitableIface *iface)
189 iface->init_async = tls_handler_init_async;
190 iface->init_finish = tls_handler_init_finish;
194 empathy_server_tls_handler_finalize (GObject *object)
196 EmpathyServerTLSHandlerPriv *priv = GET_PRIV (object);
198 DEBUG ("%p", object);
200 tp_clear_object (&priv->channel);
201 tp_clear_object (&priv->certificate);
202 g_strfreev (priv->reference_identities);
203 g_free (priv->hostname);
205 G_OBJECT_CLASS (empathy_server_tls_handler_parent_class)->finalize (object);
209 empathy_server_tls_handler_get_property (GObject *object,
214 EmpathyServerTLSHandlerPriv *priv = GET_PRIV (object);
219 g_value_set_object (value, priv->channel);
221 case PROP_TLS_CERTIFICATE:
222 g_value_set_object (value, priv->certificate);
225 g_value_set_string (value, priv->hostname);
227 case PROP_REFERENCE_IDENTITIES:
228 g_value_set_boxed (value, priv->reference_identities);
231 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
237 empathy_server_tls_handler_set_property (GObject *object,
242 EmpathyServerTLSHandlerPriv *priv = GET_PRIV (object);
247 priv->channel = g_value_dup_object (value);
250 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
256 empathy_server_tls_handler_class_init (EmpathyServerTLSHandlerClass *klass)
258 GObjectClass *oclass = G_OBJECT_CLASS (klass);
261 oclass->get_property = empathy_server_tls_handler_get_property;
262 oclass->set_property = empathy_server_tls_handler_set_property;
263 oclass->finalize = empathy_server_tls_handler_finalize;
265 g_type_class_add_private (klass, sizeof (EmpathyServerTLSHandlerPriv));
267 pspec = g_param_spec_object ("channel", "The TpChannel",
268 "The TpChannel this handler is supposed to handle.",
270 G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
271 g_object_class_install_property (oclass, PROP_CHANNEL, pspec);
273 pspec = g_param_spec_object ("certificate", "The EmpathyTLSCertificate",
274 "The EmpathyTLSCertificate carried by the channel.",
275 EMPATHY_TYPE_TLS_CERTIFICATE,
276 G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
277 g_object_class_install_property (oclass, PROP_TLS_CERTIFICATE, pspec);
279 pspec = g_param_spec_string ("hostname", "The hostname",
280 "The hostname the user is expecting to connect to.",
282 G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
283 g_object_class_install_property (oclass, PROP_HOSTNAME, pspec);
285 pspec = g_param_spec_boxed ("reference-identities", "Reference Identities",
286 "The server certificate should certify one of these identities",
287 G_TYPE_STRV, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
288 g_object_class_install_property (oclass, PROP_REFERENCE_IDENTITIES, pspec);
293 empathy_server_tls_handler_init (EmpathyServerTLSHandler *self)
295 self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
296 EMPATHY_TYPE_SERVER_TLS_HANDLER, EmpathyServerTLSHandlerPriv);
300 empathy_server_tls_handler_new_async (TpChannel *channel,
301 GAsyncReadyCallback callback,
304 g_assert (TP_IS_CHANNEL (channel));
305 g_assert (channel != NULL);
307 g_async_initable_new_async (EMPATHY_TYPE_SERVER_TLS_HANDLER,
308 G_PRIORITY_DEFAULT, NULL, callback, user_data,
309 "channel", channel, NULL);
312 EmpathyServerTLSHandler *
313 empathy_server_tls_handler_new_finish (GAsyncResult *result,
316 GObject *object, *source_object;
318 source_object = g_async_result_get_source_object (result);
320 object = g_async_initable_new_finish (G_ASYNC_INITABLE (source_object),
322 g_object_unref (source_object);
325 return EMPATHY_SERVER_TLS_HANDLER (object);
330 EmpathyTLSCertificate *
331 empathy_server_tls_handler_get_certificate (EmpathyServerTLSHandler *self)
333 EmpathyServerTLSHandlerPriv *priv = GET_PRIV (self);
335 g_assert (priv->certificate != NULL);
337 return priv->certificate;