/* * sip-connection.c - Source for TpsipConnection * Copyright (C) 2005-2007 Collabora Ltd. * Copyright (C) 2005-2009 Nokia Corporation * @author Kai Vehmanen * @author Martti Mela * @author Mikhail Zabaluev * * Based on telepathy-gabble implementation (gabble-connection). * @author See gabble-connection.c * * This work 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 work 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 work; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include "sip-connection.h" #include "media-factory.h" #include "text-factory.h" #include "conn-aliasing.h" #include "sip-connection-enumtypes.h" #include "sip-connection-helpers.h" #include "sip-connection-private.h" #include "sip-connection-sofia.h" #include #define DEBUG_FLAG TPSIP_DEBUG_CONNECTION #include "debug.h" static void event_target_iface_init (gpointer, gpointer); static void conn_iface_init (gpointer, gpointer); G_DEFINE_TYPE_WITH_CODE(TpsipConnection, tpsip_connection, TP_TYPE_BASE_CONNECTION, G_IMPLEMENT_INTERFACE (TPSIP_TYPE_EVENT_TARGET, event_target_iface_init); G_IMPLEMENT_INTERFACE(TP_TYPE_SVC_DBUS_PROPERTIES, tp_dbus_properties_mixin_iface_init); G_IMPLEMENT_INTERFACE (TP_TYPE_SVC_CONNECTION_INTERFACE_CONTACTS, tp_contacts_mixin_iface_init); G_IMPLEMENT_INTERFACE (TP_TYPE_SVC_CONNECTION_INTERFACE_ALIASING, tpsip_conn_aliasing_iface_init); G_IMPLEMENT_INTERFACE (TP_TYPE_SVC_CONNECTION, conn_iface_init)) #define ERROR_IF_NOT_CONNECTED_ASYNC(BASE, CONTEXT) \ if ((BASE)->status != TP_CONNECTION_STATUS_CONNECTED) \ { \ GError e = { TP_ERRORS, TP_ERROR_NOT_AVAILABLE, \ "Connection is disconnected" }; \ DEBUG ("rejected request as disconnected"); \ dbus_g_method_return_error ((CONTEXT), &e); \ return; \ } /* properties */ enum { PROP_ADDRESS = 1, /**< public SIP address (SIP URI) */ PROP_AUTH_USER, /**< account username (if different from public address userinfo part) */ PROP_PASSWORD, /**< account password (for registration) */ PROP_ALIAS, /* Display name for self */ PROP_TRANSPORT, /**< outbound transport */ PROP_PROXY, /**< outbound SIP proxy (SIP URI) */ PROP_REGISTRAR, /**< SIP registrar (SIP URI) */ PROP_LOOSE_ROUTING, /**< enable loose routing behavior */ PROP_KEEPALIVE_MECHANISM, /**< keepalive mechanism as defined by TpsipConnectionKeepaliveMechanism */ PROP_KEEPALIVE_INTERVAL, /**< keepalive interval in seconds */ PROP_DISCOVER_BINDING, /**< enable discovery of public binding */ PROP_DISCOVER_STUN, /**< Discover STUN server name using DNS SRV lookup */ PROP_STUN_SERVER, /**< STUN server address (if not set, derived from public SIP address */ PROP_STUN_PORT, /**< STUN port */ PROP_IMMUTABLE_STREAMS, /**< If the session content is immutable once set up */ PROP_LOCAL_IP_ADDRESS, /**< Local IP address (normally not needed, chosen by stack) */ PROP_LOCAL_PORT, /**< Local port for SIP (normally not needed, chosen by stack) */ PROP_EXTRA_AUTH_USER, /**< User name to use for extra authentication challenges */ PROP_EXTRA_AUTH_PASSWORD,/**< Password to use for extra authentication challenges */ PROP_SOFIA_ROOT, /**< Event root pointer from the Sofia-SIP stack */ LAST_PROPERTY }; static void priv_value_set_url_as_string (GValue *value, const url_t *url) { if (url == NULL) { g_value_set_string (value, NULL); } else { su_home_t temphome[1] = { SU_HOME_INIT(temphome) }; char *tempstr; tempstr = url_as_string (temphome, url); g_value_set_string (value, tempstr); su_home_deinit (temphome); } } static url_t * priv_url_from_string_value (su_home_t *home, const GValue *value) { const gchar *url_str; g_assert (home != NULL); url_str = g_value_get_string (value); return (url_str)? url_make (home, url_str) : NULL; } static void tpsip_create_handle_repos (TpBaseConnection *conn, TpHandleRepoIface *repos[NUM_TP_HANDLE_TYPES]) { repos[TP_HANDLE_TYPE_CONTACT] = (TpHandleRepoIface *)g_object_new (TP_TYPE_DYNAMIC_HANDLE_REPO, "handle-type", TP_HANDLE_TYPE_CONTACT, "normalize-function", tpsip_handle_normalize, "default-normalize-context", conn, NULL); } static GPtrArray * tpsip_connection_create_channel_managers (TpBaseConnection *conn) { TpsipConnection *self = TPSIP_CONNECTION (conn); TpsipConnectionPrivate *priv = TPSIP_CONNECTION_GET_PRIVATE (self); GPtrArray *channel_managers = g_ptr_array_sized_new (2); g_ptr_array_add (channel_managers, g_object_new (TPSIP_TYPE_TEXT_FACTORY, "connection", self, NULL)); priv->media_factory = g_object_new (TPSIP_TYPE_MEDIA_FACTORY, "connection", self, NULL); g_ptr_array_add (channel_managers, priv->media_factory); priv->password_manager = tp_simple_password_manager_new ( conn); g_ptr_array_add (channel_managers, priv->password_manager); return channel_managers; } static void tpsip_connection_init (TpsipConnection *self) { TpsipConnectionPrivate *priv = TPSIP_CONNECTION_GET_PRIVATE (self); priv->sofia_home = su_home_new(sizeof (su_home_t)); tp_contacts_mixin_init ((GObject *) self, G_STRUCT_OFFSET (TpsipConnection, contacts)); tp_base_connection_register_with_contacts_mixin ((TpBaseConnection *) self); tpsip_conn_aliasing_init (self); } static void tpsip_connection_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { TpsipConnection *self = (TpsipConnection*) object; TpsipConnectionPrivate *priv = TPSIP_CONNECTION_GET_PRIVATE (self); switch (property_id) { case PROP_ADDRESS: { /* just store the address, self_handle set in start_connecting */ priv->address = g_value_dup_string (value); break; } case PROP_AUTH_USER: { g_free(priv->auth_user); priv->auth_user = g_value_dup_string (value); break; } case PROP_PASSWORD: { g_free(priv->password); priv->password = g_value_dup_string (value); break; } case PROP_ALIAS: { g_free(priv->alias); priv->alias = g_value_dup_string (value); break; } case PROP_TRANSPORT: { g_free(priv->transport); priv->transport = g_value_dup_string (value); break; } case PROP_PROXY: { priv->proxy_url = priv_url_from_string_value (priv->sofia_home, value); break; } case PROP_REGISTRAR: { priv->registrar_url = priv_url_from_string_value (priv->sofia_home, value); if (priv->sofia_nua) nua_set_params(priv->sofia_nua, NUTAG_REGISTRAR(priv->registrar_url), TAG_END()); break; } case PROP_LOOSE_ROUTING: { priv->loose_routing = g_value_get_boolean (value); break; } case PROP_KEEPALIVE_MECHANISM: { TpsipConnectionKeepaliveMechanism mech = g_value_get_enum (value); if (priv->keepalive_interval_specified && priv->keepalive_interval == 0) { if (mech != TPSIP_CONNECTION_KEEPALIVE_NONE && mech != TPSIP_CONNECTION_KEEPALIVE_AUTO) WARNING ("keep-alive mechanism selection is ignored when interval is 0"); } else { priv->keepalive_mechanism = mech; if (priv->sofia_nua != NULL) { tpsip_conn_update_nua_outbound (self); tpsip_conn_update_nua_keepalive_interval (self); } } break; } case PROP_KEEPALIVE_INTERVAL: { priv->keepalive_interval = g_value_get_uint (value); priv->keepalive_interval_specified = TRUE; if (priv->keepalive_interval == 0) { priv->keepalive_mechanism = TPSIP_CONNECTION_KEEPALIVE_NONE; if (priv->sofia_nua != NULL) tpsip_conn_update_nua_outbound (self); } if (priv->sofia_nua) { tpsip_conn_update_nua_keepalive_interval(self); } break; } case PROP_DISCOVER_BINDING: { priv->discover_binding = g_value_get_boolean (value); if (priv->sofia_nua) tpsip_conn_update_nua_outbound (self); break; } case PROP_DISCOVER_STUN: priv->discover_stun = g_value_get_boolean (value); break; case PROP_STUN_PORT: { priv->stun_port = g_value_get_uint (value); break; } case PROP_STUN_SERVER: { g_free (priv->stun_host); priv->stun_host = g_value_dup_string (value); break; } case PROP_IMMUTABLE_STREAMS: priv->immutable_streams = g_value_get_boolean (value); break; case PROP_LOCAL_IP_ADDRESS: { g_free (priv->local_ip_address); priv->local_ip_address = g_value_dup_string (value); break; } case PROP_LOCAL_PORT: { priv->local_port = g_value_get_uint (value); break; } case PROP_EXTRA_AUTH_USER: { g_free((gpointer)priv->extra_auth_user); priv->extra_auth_user = g_value_dup_string (value); break; } case PROP_EXTRA_AUTH_PASSWORD: { g_free((gpointer)priv->extra_auth_password); priv->extra_auth_password = g_value_dup_string (value); break; } case PROP_SOFIA_ROOT: { priv->sofia_root = g_value_get_pointer (value); break; } default: /* We don't have any other property... */ G_OBJECT_WARN_INVALID_PROPERTY_ID(object,property_id,pspec); break; } } static void tpsip_connection_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { TpsipConnection *self = (TpsipConnection *) object; TpsipConnectionPrivate *priv = TPSIP_CONNECTION_GET_PRIVATE (self); switch (property_id) { case PROP_ADDRESS: { g_value_set_string (value, priv->address); break; } case PROP_AUTH_USER: { g_value_set_string (value, priv->auth_user); break; } case PROP_PASSWORD: { g_value_set_string (value, priv->password); break; } case PROP_ALIAS: { g_value_set_string (value, priv->alias); break; } case PROP_TRANSPORT: { g_value_set_string (value, priv->transport); break; } case PROP_PROXY: { priv_value_set_url_as_string (value, priv->proxy_url); break; } case PROP_REGISTRAR: { priv_value_set_url_as_string (value, priv->registrar_url); break; } case PROP_LOOSE_ROUTING: { g_value_set_boolean (value, priv->loose_routing); break; } case PROP_KEEPALIVE_MECHANISM: { g_value_set_enum (value, priv->keepalive_mechanism); break; } case PROP_KEEPALIVE_INTERVAL: { /* FIXME: get the keepalive interval from NUA in case anything * really retrieves this property */ g_value_set_uint (value, priv->keepalive_interval); break; } case PROP_DISCOVER_BINDING: { g_value_set_boolean (value, priv->discover_binding); break; } case PROP_DISCOVER_STUN: g_value_set_boolean (value, priv->discover_stun); break; case PROP_STUN_SERVER: { g_value_set_string (value, priv->stun_host); break; } case PROP_STUN_PORT: { g_value_set_uint (value, priv->stun_port); break; } case PROP_IMMUTABLE_STREAMS: g_value_set_boolean (value, priv->immutable_streams); break; case PROP_LOCAL_IP_ADDRESS: { g_value_set_string (value, priv->local_ip_address); break; } case PROP_LOCAL_PORT: { g_value_set_uint (value, priv->local_port); break; } case PROP_SOFIA_ROOT: { g_value_set_pointer (value, priv->sofia_root); break; } default: /* We don't have any other property... */ G_OBJECT_WARN_INVALID_PROPERTY_ID(object,property_id,pspec); break; } } static void tpsip_connection_dispose (GObject *object); static void tpsip_connection_finalize (GObject *object); static gchar * tpsip_connection_unique_name (TpBaseConnection *base) { TpsipConnection *conn = TPSIP_CONNECTION (base); TpsipConnectionPrivate *priv; g_assert (TPSIP_IS_CONNECTION (conn)); priv = TPSIP_CONNECTION_GET_PRIVATE (conn); return g_strdup (priv->address); } static void tpsip_connection_disconnected (TpBaseConnection *base); static void tpsip_connection_shut_down (TpBaseConnection *base); static gboolean tpsip_connection_start_connecting (TpBaseConnection *base, GError **error); static const gchar *interfaces_always_present[] = { TP_IFACE_CONNECTION_INTERFACE_REQUESTS, TP_IFACE_CONNECTION_INTERFACE_CONTACTS, TP_IFACE_CONNECTION_INTERFACE_ALIASING, NULL }; const gchar ** tpsip_connection_get_implemented_interfaces (void) { /* we don't have any conditionally-implemented interfaces */ return interfaces_always_present; } static void tpsip_connection_class_init (TpsipConnectionClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); TpBaseConnectionClass *base_class = (TpBaseConnectionClass *)klass; GParamSpec *param_spec; /* Implement pure-virtual methods */ base_class->create_handle_repos = tpsip_create_handle_repos; base_class->get_unique_connection_name = tpsip_connection_unique_name; base_class->create_channel_managers = tpsip_connection_create_channel_managers; base_class->create_channel_factories = NULL; base_class->disconnected = tpsip_connection_disconnected; base_class->start_connecting = tpsip_connection_start_connecting; base_class->shut_down = tpsip_connection_shut_down; base_class->interfaces_always_present = interfaces_always_present; g_type_class_add_private (klass, sizeof (TpsipConnectionPrivate)); object_class->dispose = tpsip_connection_dispose; object_class->finalize = tpsip_connection_finalize; object_class->set_property = tpsip_connection_set_property; object_class->get_property = tpsip_connection_get_property; #define INST_PROP(x) \ g_object_class_install_property (object_class, x, param_spec) param_spec = g_param_spec_pointer ("sofia-root", "Sofia root", "Event root from Sofia-SIP stack", G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_SOFIA_ROOT); param_spec = g_param_spec_string ("address", "SIP address", "SIP AoR URI", NULL, G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_ADDRESS); param_spec = g_param_spec_string ("auth-user", "Auth username", "Username to use when registering " "(if different than userinfo part of public SIP address)", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_AUTH_USER); param_spec = g_param_spec_string ("password", "SIP account password", "Password for SIP registration", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_PASSWORD); param_spec = g_param_spec_string ("alias", "Alias", "User's display name", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_ALIAS); param_spec = g_param_spec_string ("transport", "Transport protocol", "Preferred transport protocol (auto, udp, tcp)", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_TRANSPORT); param_spec = g_param_spec_string ("proxy", "Outbound proxy", "SIP URI for outbound proxy", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_PROXY); param_spec = g_param_spec_string ("registrar", "Registrar", "SIP URI for registrar", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_REGISTRAR); param_spec = g_param_spec_boolean ("loose-routing", "Loose routing", "Enable loose routing as per RFC 3261", FALSE, /*default value*/ G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_LOOSE_ROUTING); param_spec = g_param_spec_enum ("keepalive-mechanism", "Keepalive mechanism", "Keepalive mechanism for SIP registration", tpsip_connection_keepalive_mechanism_get_type (), TPSIP_CONNECTION_KEEPALIVE_AUTO, /*default value*/ G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_KEEPALIVE_MECHANISM); param_spec = g_param_spec_uint ("keepalive-interval", "Keepalive interval", "Interval between keepalive probes in seconds " "(0 = disabled, unset = use a default interval)", 0, G_MAXUINT32, 0, G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_KEEPALIVE_INTERVAL); param_spec = g_param_spec_boolean ("discover-binding", "Discover public contact", "Enable discovery of public IP address beyond NAT", TRUE, /*default value*/ G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_DISCOVER_BINDING); param_spec = g_param_spec_boolean ("discover-stun", "Discover STUN server", "Enable discovery of STUN server host name using DNS SRV lookup", TRUE, /*default value*/ G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_DISCOVER_STUN); param_spec = g_param_spec_string ("stun-server", "STUN server address", "STUN server address (FQDN or IP address)", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_STUN_SERVER); param_spec = g_param_spec_uint ("stun-port", "STUN port", "STUN server port", 0, G_MAXUINT16, TPSIP_DEFAULT_STUN_PORT, /*default value*/ G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_STUN_PORT); param_spec = g_param_spec_boolean ("immutable-streams", "Immutable streams", "Set if additional streams cannot be requested on a media channel," " nor existing streams can be removed", FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_IMMUTABLE_STREAMS); param_spec = g_param_spec_string ("local-ip-address", "Local IP address", "Local IP address to use", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_LOCAL_IP_ADDRESS); param_spec = g_param_spec_uint ("local-port", "Local port", "Local port for SIP", 0, G_MAXUINT16, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_LOCAL_PORT); param_spec = g_param_spec_string ("extra-auth-user", "Extra auth username", "Username to use for extra authentication challenges", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_EXTRA_AUTH_USER); param_spec = g_param_spec_string ("extra-auth-password", "Extra auth password", "Password to use for extra authentication challenges", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); INST_PROP(PROP_EXTRA_AUTH_PASSWORD); #undef INST_PROP tp_dbus_properties_mixin_class_init (object_class, G_STRUCT_OFFSET (TpsipConnectionClass, properties_class)); tp_contacts_mixin_class_init (object_class, G_STRUCT_OFFSET (TpsipConnectionClass, contacts_class)); } typedef struct { TpsipConnection* self; nua_handle_t *nh; gchar *method; gchar *realm; gchar *user; } PrivHandleAuthData; static PrivHandleAuthData * priv_handle_auth_data_new (TpsipConnection* self, nua_handle_t *nh, const gchar *method, const gchar *realm, const gchar *user) { PrivHandleAuthData *data = g_slice_new (PrivHandleAuthData); data->self = g_object_ref (self); data->nh = nua_handle_ref (nh); data->method = g_strdup (method); data->realm = g_strdup (realm); data->user = g_strdup (user); return data; } static void priv_handle_auth_data_free (PrivHandleAuthData *data) { g_object_unref (data->self); nua_handle_unref (data->nh); g_free (data->method); g_free (data->realm); g_free (data->user); g_slice_free (PrivHandleAuthData, data); } static void priv_password_manager_prompt_cb (GObject *source_object, GAsyncResult *result, gpointer user_data); static void priv_handle_auth_continue (TpsipConnection* self, nua_handle_t *nh, const gchar *method, const gchar *realm, const gchar *user, const gchar *password); static gboolean priv_handle_auth (TpsipConnection* self, int status, nua_handle_t *nh, const sip_t *sip, gboolean home_realm) { TpsipConnectionPrivate *priv = TPSIP_CONNECTION_GET_PRIVATE (self); sip_www_authenticate_t const *wa; sip_proxy_authenticate_t const *pa; const char *method = NULL; const char *realm = NULL; const char *user = NULL; const char *password = NULL; if (status != 401 && status != 407) return FALSE; DEBUG("response presents an authentication challenge"); g_return_val_if_fail (sip != NULL, FALSE); wa = sip->sip_www_authenticate; pa = sip->sip_proxy_authenticate; /* step: figure out the realm of the challenge */ if (wa) { realm = msg_header_find_param ((msg_common_t *) wa, "realm="); method = wa->au_scheme; } else if (pa) { realm = msg_header_find_param ((msg_common_t *) pa, "realm="); method = pa->au_scheme; } if (realm == NULL) { WARNING ("no realm presented for authentication"); return FALSE; } if (method == NULL) { WARNING ("no method presented for authentication"); return FALSE; } /* step: determine which set of credentials to use */ if (home_realm) { /* Save the realm presented by the registrar */ if (priv->registrar_realm == NULL) priv->registrar_realm = g_strdup (realm); else if (wa && strcmp(priv->registrar_realm, realm) != 0) { MESSAGE ("registrar realm changed from %s to %s", priv->registrar_realm, realm); g_free (priv->registrar_realm); priv->registrar_realm = g_strdup (realm); } } else if (priv->registrar_realm != NULL && strcmp(priv->registrar_realm, realm) == 0) home_realm = TRUE; if (home_realm) { /* use authentication username if provided */ user = priv->auth_user; password = priv->password; DEBUG("using the primary auth credentials"); } else { if (priv->extra_auth_user) user = priv->extra_auth_user; else /* fall back to the main username */ user = priv->auth_user; password = priv->extra_auth_password; if (password == NULL) /* note that this prevents asking the user for a password */ password = ""; DEBUG("using the extra auth credentials"); } if (user == NULL) { sip_from_t const *sipfrom = sip->sip_from; if (sipfrom && sipfrom->a_url[0].url_user) /* or use the userpart in "From" header */ user = sipfrom->a_url[0].url_user; else return FALSE; } if (password == NULL) { PrivHandleAuthData *data = NULL; DEBUG("asking the user for a password."); data = priv_handle_auth_data_new (self, nh, method, realm, user); tp_simple_password_manager_prompt_async (priv->password_manager, priv_password_manager_prompt_cb, data); /* Promise that we'll handle it eventually, even if we end up just * handling it with a blank password. */ return TRUE; } priv_handle_auth_continue (self, nh, method, realm, user, password); return TRUE; } static void priv_password_manager_prompt_cb (GObject *source_object, GAsyncResult *result, gpointer user_data) { PrivHandleAuthData *data = user_data; GError *error = NULL; const GString *password_string; const gchar *password; password_string = tp_simple_password_manager_prompt_finish ( TP_SIMPLE_PASSWORD_MANAGER (source_object), result, &error); if (error != NULL) { /* we promised to handle the auth challenge in priv_handle_auth() by * returning TRUE, so we need to handle it anyway, even if it means * doing it with a blank password. */ DEBUG ("Auth channel failed: %s. Using blank password.", error->message); password = ""; g_error_free (error); } else { TpsipConnectionPrivate *priv = TPSIP_CONNECTION_GET_PRIVATE (data->self); password = password_string->str; /* also save it for later. */ g_free (priv->password); priv->password = g_strdup (password); } priv_handle_auth_continue (data->self, data->nh, data->method, data->realm, data->user, password); priv_handle_auth_data_free (data); } static void priv_handle_auth_continue (TpsipConnection* self, nua_handle_t *nh, const gchar *method, const gchar *realm, const gchar *user, const gchar *password) { gchar *auth = NULL; /* step: if all info is available, create an authorization response */ g_assert (realm != NULL); g_assert (method != NULL); g_assert (user != NULL); g_assert (password != NULL); if (realm[0] == '"') auth = g_strdup_printf ("%s:%s:%s:%s", method, realm, user, password); else auth = g_strdup_printf ("%s:\"%s\":%s:%s", method, realm, user, password); DEBUG ("%s-authenticating user='%s' realm=%s", method, user, realm); /* step: authenticate */ nua_authenticate(nh, NUTAG_AUTH(auth), TAG_END()); g_free (auth); } static gboolean tpsip_connection_auth_cb (TpsipEventTarget *target, const TpsipNuaEvent *ev, tagi_t tags[], TpsipConnection *self) { return priv_handle_auth (self, ev->status, ev->nua_handle, ev->sip, FALSE); } void tpsip_connection_connect_auth_handler (TpsipConnection *self, TpsipEventTarget *target) { g_signal_connect_object (target, "nua-event", G_CALLBACK (tpsip_connection_auth_cb), self, 0); } static gboolean tpsip_connection_nua_r_register_cb (TpsipConnection *self, const TpsipNuaEvent *ev, tagi_t tags[], gpointer foo) { TpBaseConnection *base = (TpBaseConnection *) self; TpConnectionStatus conn_status = TP_CONNECTION_STATUS_DISCONNECTED; TpConnectionStatusReason reason = 0; if (ev->status < 200) return TRUE; if (priv_handle_auth (self, ev->status, ev->nua_handle, ev->sip, TRUE)) return TRUE; switch (ev->status) { case 401: case 403: case 407: case 904: /* XXX: used by the stack to report auth loops */ DEBUG("REGISTER failed, possibly wrong credentials, disconnecting"); conn_status = TP_CONNECTION_STATUS_DISCONNECTED; reason = TP_CONNECTION_STATUS_REASON_AUTHENTICATION_FAILED; break; default: if (ev->status >= 300) { DEBUG("REGISTER failed, disconnecting"); conn_status = TP_CONNECTION_STATUS_DISCONNECTED; reason = TP_CONNECTION_STATUS_REASON_NETWORK_ERROR; } else /* if (ev->status == 200) */ { if (base->status != TP_CONNECTION_STATUS_CONNECTING) return TRUE; DEBUG("successfully registered to the network"); conn_status = TP_CONNECTION_STATUS_CONNECTED; reason = TP_CONNECTION_STATUS_REASON_REQUESTED; tpsip_conn_heartbeat_init (self); } } tp_base_connection_change_status (base, conn_status, reason); return TRUE; } static void tpsip_connection_shut_down (TpBaseConnection *base) { TpsipConnection *self = TPSIP_CONNECTION (base); TpsipConnectionPrivate *priv; DEBUG ("enter"); priv = TPSIP_CONNECTION_GET_PRIVATE (self); /* We disposed of the REGISTER handle in the disconnected method */ g_assert (priv->register_op == NULL); tpsip_conn_heartbeat_shutdown (self); if (priv->sofia_nua != NULL) nua_shutdown (priv->sofia_nua); priv->sofia_nua = NULL; tp_base_connection_finish_shutdown (base); } void tpsip_connection_dispose (GObject *object) { TpsipConnection *self = TPSIP_CONNECTION (object); TpBaseConnection *base = (TpBaseConnection *)self; TpsipConnectionPrivate *priv = TPSIP_CONNECTION_GET_PRIVATE (self); if (priv->dispose_has_run) return; priv->dispose_has_run = TRUE; /* release any references held by the object here */ DEBUG("disposing of TpsipConnection %p", self); /* the base class is responsible for unreffing the self handle when we * disconnect */ g_assert (base->status == TP_CONNECTION_STATUS_DISCONNECTED || base->status == TP_INTERNAL_CONNECTION_STATUS_NEW); /* the base class owns channel factories/managers, * here we just nullify the references */ priv->media_factory = NULL; if (G_OBJECT_CLASS (tpsip_connection_parent_class)->dispose) G_OBJECT_CLASS (tpsip_connection_parent_class)->dispose (object); } void tpsip_connection_finalize (GObject *obj) { TpsipConnection *self = TPSIP_CONNECTION (obj); TpsipConnectionPrivate *priv = TPSIP_CONNECTION_GET_PRIVATE (self); /* free any data held directly by the object here */ DEBUG("enter"); if (NULL != priv->sofia_resolver) { DEBUG("destroying sofia resolver"); sres_resolver_destroy (priv->sofia_resolver); priv->sofia_resolver = NULL; } su_home_unref (priv->sofia_home); g_free (priv->address); g_free (priv->auth_user); g_free (priv->password); g_free (priv->alias); g_free (priv->transport); g_free (priv->stun_host); g_free (priv->local_ip_address); g_free (priv->extra_auth_user); g_free (priv->extra_auth_password); g_free (priv->registrar_realm); tp_contacts_mixin_finalize (obj); G_OBJECT_CLASS (tpsip_connection_parent_class)->finalize (obj); } static gboolean tpsip_connection_start_connecting (TpBaseConnection *base, GError **error) { TpsipConnection *self = TPSIP_CONNECTION (base); TpsipConnectionPrivate *priv = TPSIP_CONNECTION_GET_PRIVATE (self); TpHandleRepoIface *contact_repo; const gchar *sip_address; const url_t *local_url; g_assert (base->status == TP_INTERNAL_CONNECTION_STATUS_NEW); /* the construct parameters will be non-empty */ g_assert (priv->sofia_root != NULL); g_return_val_if_fail (priv->address != NULL, FALSE); contact_repo = tp_base_connection_get_handles (base, TP_HANDLE_TYPE_CONTACT); base->self_handle = tp_handle_ensure (contact_repo, priv->address, NULL, error); if (base->self_handle == 0) { return FALSE; } sip_address = tp_handle_inspect(contact_repo, base->self_handle); DEBUG("self_handle = %d, sip_address = %s", base->self_handle, sip_address); priv->account_url = tpsip_conn_get_contact_url (self, base->self_handle); if (priv->account_url == NULL) { g_set_error (error, TP_ERRORS, TP_ERROR_NOT_AVAILABLE, "Failed to create the account URI"); return FALSE; } local_url = tpsip_conn_get_local_url (self); /* step: create stack instance */ priv->sofia_nua = nua_create (priv->sofia_root, tpsip_connection_sofia_callback, self, SOATAG_AF(SOA_AF_IP4_IP6), SIPTAG_FROM_STR(sip_address), NUTAG_URL(local_url), /* TAG_IF(local_url && local_url->url_type == url_sips, NUTAG_SIPS_URL(local_url)), */ NUTAG_M_USERNAME(priv->account_url->url_user), NUTAG_USER_AGENT("Telepathy-SofiaSIP/" TELEPATHY_SIP_VERSION), NUTAG_ENABLEMESSAGE(1), NUTAG_ENABLEINVITE(1), NUTAG_AUTOALERT(0), NUTAG_AUTOANSWER(0), NUTAG_APPL_METHOD("MESSAGE"), SIPTAG_ALLOW_STR("INVITE, ACK, BYE, CANCEL, OPTIONS, PRACK, MESSAGE, UPDATE"), TAG_NULL()); if (priv->sofia_nua == NULL) { g_set_error (error, TP_ERRORS, TP_ERROR_NOT_AVAILABLE, "Unable to create SIP stack"); return FALSE; } /* Set configuration-dependent tags */ tpsip_conn_update_proxy_and_transport (self); tpsip_conn_update_nua_outbound (self); tpsip_conn_update_nua_keepalive_interval (self); tpsip_conn_update_nua_contact_features (self); if (priv->stun_host != NULL) tpsip_conn_resolv_stun_server (self, priv->stun_host); else if (priv->discover_stun) tpsip_conn_discover_stun_server (self); DEBUG("initialized a Sofia-SIP NUA at address %p", priv->sofia_nua); /* for debugging purposes, request a dump of stack configuration * at registration time */ nua_get_params (priv->sofia_nua, TAG_ANY(), TAG_NULL()); g_signal_connect (self, "nua-event::nua_r_register", G_CALLBACK (tpsip_connection_nua_r_register_cb), NULL); priv->register_op = tpsip_conn_create_register_handle (self, base->self_handle); if (priv->register_op == NULL) { g_set_error (error, TP_ERRORS, TP_ERROR_NOT_AVAILABLE, "Unable to create registration handle for address %s", sip_address); return FALSE; } tpsip_event_target_attach (priv->register_op, (GObject *) self); nua_register (priv->register_op, TAG_NULL()); return TRUE; } /** * tpsip_connection_disconnected * * Called after the connection becomes disconnected. */ static void tpsip_connection_disconnected (TpBaseConnection *base) { TpsipConnection *obj = TPSIP_CONNECTION (base); TpsipConnectionPrivate *priv; priv = TPSIP_CONNECTION_GET_PRIVATE (obj); DEBUG("enter"); /* Dispose of the register use */ if (priv->register_op != NULL) { DEBUG("unregistering"); nua_unregister (priv->register_op, TAG_NULL()); nua_handle_unref (priv->register_op); priv->register_op = NULL; } } static void conn_iface_init(gpointer g_iface, gpointer iface_data) { } static void event_target_iface_init (gpointer g_iface, gpointer iface_data) { }