/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ /* NetworkManager -- Network link manager * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * Copyright (C) 2009 - 2012 Red Hat, Inc. */ #include #include #include #include #include "NetworkManager.h" #include "nm-setting-bluetooth.h" #include "nm-dbus-manager.h" #include "nm-bluez-device.h" #include "nm-bluez-common.h" #include "nm-dbus-glib-types.h" #include "nm-logging.h" #include "nm-marshal.h" G_DEFINE_TYPE (NMBluezDevice, nm_bluez_device, G_TYPE_OBJECT) #define NM_BLUEZ_DEVICE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_BLUEZ_DEVICE, NMBluezDevicePrivate)) typedef struct { char *path; DBusGProxy *proxy; gboolean initialized; gboolean usable; char *address; guint8 bin_address[ETH_ALEN]; char *name; guint32 capabilities; gint rssi; NMConnectionProvider *provider; GSList *connections; } NMBluezDevicePrivate; enum { PROP_0, PROP_PATH, PROP_ADDRESS, PROP_NAME, PROP_CAPABILITIES, PROP_RSSI, PROP_USABLE, LAST_PROP }; /* Signals */ enum { INITIALIZED, LAST_SIGNAL }; static guint signals[LAST_SIGNAL] = { 0 }; /***********************************************************/ const char * nm_bluez_device_get_path (NMBluezDevice *self) { g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), NULL); return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->path; } const char * nm_bluez_device_get_address (NMBluezDevice *self) { g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), NULL); return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->address; } gboolean nm_bluez_device_get_initialized (NMBluezDevice *self) { g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), FALSE); return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->initialized; } gboolean nm_bluez_device_get_usable (NMBluezDevice *self) { g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), FALSE); return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->usable; } const char * nm_bluez_device_get_name (NMBluezDevice *self) { g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), NULL); return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->name; } guint32 nm_bluez_device_get_capabilities (NMBluezDevice *self) { g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), 0); return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->capabilities; } gint nm_bluez_device_get_rssi (NMBluezDevice *self) { g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), 0); return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->rssi; } static void check_emit_usable (NMBluezDevice *self) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); gboolean new_usable; new_usable = (priv->initialized && priv->capabilities && priv->name && priv->address && priv->connections); if (new_usable != priv->usable) { priv->usable = new_usable; g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_USABLE); } } /********************************************************************/ static gboolean connection_compatible (NMBluezDevice *self, NMConnection *connection) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); NMSettingBluetooth *s_bt; const char *bt_type; const GByteArray *bdaddr; if (!nm_connection_is_type (connection, NM_SETTING_BLUETOOTH_SETTING_NAME)) return FALSE; s_bt = nm_connection_get_setting_bluetooth (connection); if (!s_bt) return FALSE; bdaddr = nm_setting_bluetooth_get_bdaddr (s_bt); if (!bdaddr || bdaddr->len != ETH_ALEN) return FALSE; if (memcmp (bdaddr->data, priv->bin_address, ETH_ALEN) != 0) return FALSE; bt_type = nm_setting_bluetooth_get_connection_type (s_bt); if ( g_str_equal (bt_type, NM_SETTING_BLUETOOTH_TYPE_DUN) && !(priv->capabilities & NM_BT_CAPABILITY_DUN)) return FALSE; if ( g_str_equal (bt_type, NM_SETTING_BLUETOOTH_TYPE_PANU) && !(priv->capabilities & NM_BT_CAPABILITY_NAP)) return FALSE; return TRUE; } static void _internal_add_connection (NMBluezDevice *self, NMConnection *connection) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); if (!g_slist_find (priv->connections, connection)) { priv->connections = g_slist_prepend (priv->connections, g_object_ref (connection)); check_emit_usable (self); } } static void cp_connection_added (NMConnectionProvider *provider, NMConnection *connection, NMBluezDevice *self) { if (connection_compatible (self, connection)) _internal_add_connection (self, connection); } static void cp_connection_removed (NMConnectionProvider *provider, NMConnection *connection, NMBluezDevice *self) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); if (g_slist_find (priv->connections, connection)) { priv->connections = g_slist_remove (priv->connections, connection); g_object_unref (connection); check_emit_usable (self); } } static void cp_connection_updated (NMConnectionProvider *provider, NMConnection *connection, NMBluezDevice *self) { if (connection_compatible (self, connection)) _internal_add_connection (self, connection); else cp_connection_removed (provider, connection, self); } static void cp_connections_loaded (NMConnectionProvider *provider, NMBluezDevice *self) { const GSList *connections, *iter; connections = nm_connection_provider_get_connections (provider); for (iter = connections; iter; iter = g_slist_next (iter)) cp_connection_added (provider, NM_CONNECTION (iter->data), self); } /***********************************************************/ static guint32 convert_uuids_to_capabilities (const char **strings) { const char **iter; guint32 capabilities = 0; for (iter = strings; iter && *iter; iter++) { char **parts; parts = g_strsplit (*iter, "-", -1); if (parts && parts[0]) { switch (g_ascii_strtoull (parts[0], NULL, 16)) { case 0x1103: capabilities |= NM_BT_CAPABILITY_DUN; break; case 0x1116: capabilities |= NM_BT_CAPABILITY_NAP; break; default: break; } } g_strfreev (parts); } return capabilities; } static void property_changed (DBusGProxy *proxy, const char *property, GValue *value, gpointer user_data) { NMBluezDevice *self = NM_BLUEZ_DEVICE (user_data); NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); const char *str; guint32 uint_val; gint int_val; if (!strcmp (property, "Name")) { str = g_value_get_string (value); if ( (!priv->name && str) || (priv->name && !str) || (priv->name && str && strcmp (priv->name, str))) { g_free (priv->name); priv->name = g_strdup (str); g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_NAME); } } else if (!strcmp (property, "RSSI")) { int_val = g_value_get_int (value); if (priv->rssi != int_val) { priv->rssi = int_val; g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_RSSI); } } else if (!strcmp (property, "UUIDs")) { uint_val = convert_uuids_to_capabilities ((const char **) g_value_get_boxed (value)); if (priv->capabilities != uint_val) { priv->capabilities = uint_val; g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_CAPABILITIES); } } check_emit_usable (self); } static void get_properties_cb (DBusGProxy *proxy, DBusGProxyCall *call, gpointer user_data) { NMBluezDevice *self = NM_BLUEZ_DEVICE (user_data); NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); GHashTable *properties = NULL; GError *err = NULL; GValue *value; const char **uuids; struct ether_addr *tmp; if (!dbus_g_proxy_end_call (proxy, call, &err, DBUS_TYPE_G_MAP_OF_VARIANT, &properties, G_TYPE_INVALID)) { nm_log_warn (LOGD_BT, "bluez error getting device properties: %s", err && err->message ? err->message : "(unknown)"); g_error_free (err); g_signal_emit (self, signals[INITIALIZED], 0, FALSE); return; } value = g_hash_table_lookup (properties, "Address"); priv->address = value ? g_value_dup_string (value) : NULL; if (priv->address) { tmp = ether_aton (priv->address); g_assert (tmp); memcpy (priv->bin_address, tmp->ether_addr_octet, ETH_ALEN); } value = g_hash_table_lookup (properties, "Name"); priv->name = value ? g_value_dup_string (value) : NULL; value = g_hash_table_lookup (properties, "RSSI"); priv->rssi = value ? g_value_get_int (value) : 0; value = g_hash_table_lookup (properties, "UUIDs"); if (value) { uuids = (const char **) g_value_get_boxed (value); priv->capabilities = convert_uuids_to_capabilities (uuids); } else priv->capabilities = NM_BT_CAPABILITY_NONE; g_hash_table_unref (properties); /* Check if any connections match this device */ cp_connections_loaded (priv->provider, self); priv->initialized = TRUE; g_signal_emit (self, signals[INITIALIZED], 0, TRUE); check_emit_usable (self); } static void query_properties (NMBluezDevice *self) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); DBusGProxyCall *call; call = dbus_g_proxy_begin_call (priv->proxy, "GetProperties", get_properties_cb, self, NULL, G_TYPE_INVALID); if (!call) { nm_log_warn (LOGD_BT, "failed to request Bluetooth device properties for %s.", priv->path); } } /********************************************************************/ NMBluezDevice * nm_bluez_device_new (const char *path, NMConnectionProvider *provider) { NMBluezDevice *self; NMBluezDevicePrivate *priv; NMDBusManager *dbus_mgr; DBusGConnection *connection; g_return_val_if_fail (path != NULL, NULL); g_return_val_if_fail (provider != NULL, NULL); self = (NMBluezDevice *) g_object_new (NM_TYPE_BLUEZ_DEVICE, NM_BLUEZ_DEVICE_PATH, path, NULL); if (!self) return NULL; priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); priv->provider = provider; g_signal_connect (priv->provider, NM_CP_SIGNAL_CONNECTION_ADDED, G_CALLBACK (cp_connection_added), self); g_signal_connect (priv->provider, NM_CP_SIGNAL_CONNECTION_REMOVED, G_CALLBACK (cp_connection_removed), self); g_signal_connect (priv->provider, NM_CP_SIGNAL_CONNECTION_UPDATED, G_CALLBACK (cp_connection_updated), self); g_signal_connect (priv->provider, NM_CP_SIGNAL_CONNECTIONS_LOADED, G_CALLBACK (cp_connections_loaded), self); dbus_mgr = nm_dbus_manager_get (); connection = nm_dbus_manager_get_connection (dbus_mgr); priv->proxy = dbus_g_proxy_new_for_name (connection, BLUEZ_SERVICE, priv->path, BLUEZ_DEVICE_INTERFACE); g_object_unref (dbus_mgr); dbus_g_object_register_marshaller (_nm_marshal_VOID__STRING_BOXED, G_TYPE_NONE, G_TYPE_STRING, G_TYPE_VALUE, G_TYPE_INVALID); dbus_g_proxy_add_signal (priv->proxy, "PropertyChanged", G_TYPE_STRING, G_TYPE_VALUE, G_TYPE_INVALID); dbus_g_proxy_connect_signal (priv->proxy, "PropertyChanged", G_CALLBACK (property_changed), self, NULL); query_properties (self); return self; } static void nm_bluez_device_init (NMBluezDevice *self) { } static void dispose (GObject *object) { NMBluezDevice *self = NM_BLUEZ_DEVICE (object); NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); g_slist_foreach (priv->connections, (GFunc) g_object_unref, NULL); g_slist_free (priv->connections); priv->connections = NULL; g_signal_handlers_disconnect_by_func (priv->provider, cp_connection_added, self); g_signal_handlers_disconnect_by_func (priv->provider, cp_connection_removed, self); g_signal_handlers_disconnect_by_func (priv->provider, cp_connection_updated, self); g_signal_handlers_disconnect_by_func (priv->provider, cp_connections_loaded, self); G_OBJECT_CLASS (nm_bluez_device_parent_class)->dispose (object); } static void finalize (GObject *object) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (object); g_free (priv->path); g_free (priv->address); g_free (priv->name); g_object_unref (priv->proxy); G_OBJECT_CLASS (nm_bluez_device_parent_class)->finalize (object); } static void get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (object); switch (prop_id) { case PROP_PATH: g_value_set_string (value, priv->path); break; case PROP_ADDRESS: g_value_set_string (value, priv->address); break; case PROP_NAME: g_value_set_string (value, priv->name); break; case PROP_CAPABILITIES: g_value_set_uint (value, priv->capabilities); break; case PROP_RSSI: g_value_set_int (value, priv->rssi); break; case PROP_USABLE: g_value_set_boolean (value, priv->usable); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (object); switch (prop_id) { case PROP_PATH: /* construct only */ priv->path = g_value_dup_string (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void nm_bluez_device_class_init (NMBluezDeviceClass *config_class) { GObjectClass *object_class = G_OBJECT_CLASS (config_class); g_type_class_add_private (config_class, sizeof (NMBluezDevicePrivate)); /* virtual methods */ object_class->get_property = get_property; object_class->set_property = set_property; object_class->dispose = dispose; object_class->finalize = finalize; /* Properties */ g_object_class_install_property (object_class, PROP_PATH, g_param_spec_string (NM_BLUEZ_DEVICE_PATH, "DBus Path", "DBus Path", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_ADDRESS, g_param_spec_string (NM_BLUEZ_DEVICE_ADDRESS, "Address", "Address", NULL, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_NAME, g_param_spec_string (NM_BLUEZ_DEVICE_NAME, "Name", "Name", NULL, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_CAPABILITIES, g_param_spec_uint (NM_BLUEZ_DEVICE_CAPABILITIES, "Capabilities", "Capabilities", 0, G_MAXUINT, 0, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_RSSI, g_param_spec_int (NM_BLUEZ_DEVICE_RSSI, "RSSI", "RSSI", G_MININT, G_MAXINT, 0, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_USABLE, g_param_spec_boolean (NM_BLUEZ_DEVICE_USABLE, "Usable", "Usable", FALSE, G_PARAM_READABLE)); /* Signals */ signals[INITIALIZED] = g_signal_new ("initialized", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (NMBluezDeviceClass, initialized), NULL, NULL, g_cclosure_marshal_VOID__BOOLEAN, G_TYPE_NONE, 1, G_TYPE_BOOLEAN); }