/* -*- 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. * Copyright (C) 2013 Intel Corporation. */ #include #include #include #include #include #include #include "NetworkManager.h" #include "nm-setting-bluetooth.h" #include "nm-bluez-common.h" #include "nm-bluez-device.h" #include "nm-logging.h" #include "nm-utils.h" #include "nm-settings-connection.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; GDBusConnection *dbus_connection; GDBusProxy *proxy; GDBusProxy *adapter5; gboolean adapter_powered; int bluez_version; gboolean initialized; gboolean usable; NMBluetoothCapabilities connection_bt_type; char *address; guint8 bin_address[ETH_ALEN]; char *name; guint32 capabilities; gboolean connected; char *bt_iface; NMConnectionProvider *provider; GSList *connections; NMConnection *pan_connection; NMConnection *pan_connection_original; gboolean pan_connection_no_autocreate; } NMBluezDevicePrivate; enum { PROP_0, PROP_PATH, PROP_ADDRESS, PROP_NAME, PROP_CAPABILITIES, PROP_USABLE, PROP_CONNECTED, LAST_PROP }; /* Signals */ enum { INITIALIZED, REMOVED, LAST_SIGNAL }; static guint signals[LAST_SIGNAL] = { 0 }; static void cp_connection_added (NMConnectionProvider *provider, NMConnection *connection, NMBluezDevice *self); static gboolean connection_compatible (NMBluezDevice *self, NMConnection *connection); #define VARIANT_IS_OF_TYPE_BOOLEAN(v) ((v) != NULL && ( g_variant_is_of_type ((v), G_VARIANT_TYPE_BOOLEAN) )) #define VARIANT_IS_OF_TYPE_STRING(v) ((v) != NULL && ( g_variant_is_of_type ((v), G_VARIANT_TYPE_STRING) )) #define VARIANT_IS_OF_TYPE_OBJECT_PATH(v) ((v) != NULL && ( g_variant_is_of_type ((v), G_VARIANT_TYPE_OBJECT_PATH) )) #define VARIANT_IS_OF_TYPE_STRING_ARRAY(v) ((v) != NULL && ( g_variant_is_of_type ((v), G_VARIANT_TYPE_STRING_ARRAY) )) /***********************************************************/ 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; } gboolean nm_bluez_device_get_connected (NMBluezDevice *self) { g_return_val_if_fail (NM_IS_BLUEZ_DEVICE (self), FALSE); return NM_BLUEZ_DEVICE_GET_PRIVATE (self)->connected; } static void pan_connection_check_create (NMBluezDevice *self) { NMConnection *connection; NMConnection *added; NMSetting *setting; char *uuid, *id; GByteArray *bdaddr_array; GError *error = NULL; NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); g_return_if_fail (priv->capabilities & NM_BT_CAPABILITY_NAP); g_return_if_fail (priv->connections == NULL); g_return_if_fail (priv->name); if (priv->pan_connection || priv->pan_connection_no_autocreate) { /* already have a connection or we don't want to create one, nothing to do. */ return; } /* Only try once to create a connection. If it does not succeed, we do not try again. Also, * if the connection gets deleted later, do not create another one for this device. */ priv->pan_connection_no_autocreate = TRUE; /* create a new connection */ connection = nm_connection_new (); /* Setting: Connection */ uuid = nm_utils_uuid_generate (); id = g_strdup_printf (_("%s Network"), priv->name); setting = nm_setting_connection_new (); g_object_set (setting, NM_SETTING_CONNECTION_ID, id, NM_SETTING_CONNECTION_UUID, uuid, NM_SETTING_CONNECTION_AUTOCONNECT, FALSE, NM_SETTING_CONNECTION_TYPE, NM_SETTING_BLUETOOTH_SETTING_NAME, NULL); nm_connection_add_setting (connection, setting); /* Setting: Bluetooth */ bdaddr_array = g_byte_array_sized_new (sizeof (priv->bin_address)); g_byte_array_append (bdaddr_array, priv->bin_address, sizeof (priv->bin_address)); setting = nm_setting_bluetooth_new (); g_object_set (G_OBJECT (setting), NM_SETTING_BLUETOOTH_BDADDR, bdaddr_array, NM_SETTING_BLUETOOTH_TYPE, NM_SETTING_BLUETOOTH_TYPE_PANU, NULL); nm_connection_add_setting (connection, setting); g_byte_array_free (bdaddr_array, TRUE); /* Setting: IPv4 */ setting = nm_setting_ip4_config_new (); g_object_set (G_OBJECT (setting), NM_SETTING_IP4_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_AUTO, NM_SETTING_IP4_CONFIG_MAY_FAIL, FALSE, NULL); nm_connection_add_setting (connection, setting); /* Setting: IPv6 */ setting = nm_setting_ip6_config_new (); g_object_set (G_OBJECT (setting), NM_SETTING_IP6_CONFIG_METHOD, NM_SETTING_IP6_CONFIG_METHOD_AUTO, NM_SETTING_IP6_CONFIG_MAY_FAIL, TRUE, NULL); nm_connection_add_setting (connection, setting); /* Adding a new connection raises a signal which eventually calls check_emit_usable (again) * which then already finds the suitable connection in priv->connections. This is confusing, * so block the signal. check_emit_usable will succeed after this function call returns. */ g_signal_handlers_block_by_func (priv->provider, cp_connection_added, self); added = nm_connection_provider_add_connection (priv->provider, connection, FALSE, &error); g_signal_handlers_unblock_by_func (priv->provider, cp_connection_added, self); if (added) { g_assert (!g_slist_find (priv->connections, added)); g_assert (connection_compatible (self, added)); g_assert (nm_connection_compare (added, connection, NM_SETTING_COMPARE_FLAG_EXACT)); priv->connections = g_slist_prepend (priv->connections, g_object_ref (added)); priv->pan_connection = added; priv->pan_connection_original = connection; nm_log_dbg (LOGD_BT, "bluez[%s] added new Bluetooth connection for NAP device: '%s' (%s)", priv->path, id, uuid); } else { nm_log_warn (LOGD_BT, "bluez[%s] couldn't add new Bluetooth connection for NAP device: '%s' (%s): %d / %s", priv->path, id, uuid, error ? error->code : -1, (error && error->message) ? error->message : "(unknown)"); g_clear_error (&error); g_object_unref (connection); } g_free (id); g_free (uuid); } static void check_emit_usable (NMBluezDevice *self) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); gboolean new_usable; /* only expect the supported capabilities set. */ g_assert (priv->bluez_version != 4 || ((priv->capabilities & ~(NM_BT_CAPABILITY_NAP | NM_BT_CAPABILITY_DUN)) == NM_BT_CAPABILITY_NONE )); g_assert (priv->bluez_version != 5 || ((priv->capabilities & ~(NM_BT_CAPABILITY_NAP )) == NM_BT_CAPABILITY_NONE )); new_usable = (priv->initialized && priv->capabilities && priv->name && ((priv->bluez_version == 4) || (priv->bluez_version == 5 && priv->adapter5 && priv->adapter_powered) ) && priv->dbus_connection && priv->address); if (!new_usable) goto END; if (priv->connections) goto END; if (!(priv->capabilities & NM_BT_CAPABILITY_NAP)) { /* non NAP devices are only usable, if they already have a connection. */ new_usable = FALSE; goto END; } pan_connection_check_create (self); new_usable = !!priv->pan_connection; END: 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; if (!priv->address) { /* unless address is set, bin_address is not initialized. */ 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); if (priv->pan_connection == connection) { priv->pan_connection = NULL; g_clear_object (&priv->pan_connection_original); } 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 load_connections (NMBluezDevice *self) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); const GSList *connections, *iter; connections = nm_connection_provider_get_connections (priv->provider); for (iter = connections; iter; iter = g_slist_next (iter)) cp_connection_added (priv->provider, NM_CONNECTION (iter->data), self); } /***********************************************************/ static void bluez_disconnect_cb (GDBusConnection *dbus_connection, GAsyncResult *res, gpointer user_data) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (user_data); GError *error = NULL; GVariant *variant; variant = g_dbus_connection_call_finish (dbus_connection, res, &error); if (!variant) { if (!strstr (error->message, "org.bluez.Error.NotConnected")) nm_log_warn (LOGD_BT, "bluez[%s]: failed to disconnect: %s", priv->path, error->message); g_error_free (error); } else g_variant_unref (variant); g_object_unref (NM_BLUEZ_DEVICE (user_data)); } void nm_bluez_device_disconnect (NMBluezDevice *self) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); GVariant *args = NULL; const char *dbus_iface; g_return_if_fail (priv->dbus_connection); if (priv->bluez_version == 5) { g_return_if_fail (priv->connection_bt_type == NM_BT_CAPABILITY_NAP); dbus_iface = BLUEZ5_NETWORK_INTERFACE; } else if (priv->bluez_version == 4 && priv->connection_bt_type == NM_BT_CAPABILITY_DUN) { /* Can't pass a NULL interface name through dbus to bluez, so just * ignore the disconnect if the interface isn't known. */ if (!priv->bt_iface) return; args = g_variant_new ("(s)", priv->bt_iface), dbus_iface = BLUEZ4_SERIAL_INTERFACE; } else { g_return_if_fail (priv->bluez_version == 4 && priv->connection_bt_type == NM_BT_CAPABILITY_NAP); dbus_iface = BLUEZ4_NETWORK_INTERFACE; } g_dbus_connection_call (priv->dbus_connection, BLUEZ_SERVICE, priv->path, dbus_iface, "Disconnect", args ? args : g_variant_new ("()"), NULL, G_DBUS_CALL_FLAGS_NONE, 10000, NULL, (GAsyncReadyCallback) bluez_disconnect_cb, g_object_ref (self)); priv->connection_bt_type = NM_BT_CAPABILITY_NONE; } static void bluez_connect_cb (GDBusConnection *dbus_connection, GAsyncResult *res, gpointer user_data) { GSimpleAsyncResult *result = G_SIMPLE_ASYNC_RESULT (user_data); GObject *result_object = g_async_result_get_source_object (G_ASYNC_RESULT (result)); NMBluezDevice *self = NM_BLUEZ_DEVICE (result_object); NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); GError *error = NULL; char *device; GVariant *variant; variant = g_dbus_connection_call_finish (dbus_connection, res, &error); if (!variant) { g_simple_async_result_take_error (result, error); } else { g_variant_get (variant, "(s)", &device); g_simple_async_result_set_op_res_gpointer (result, g_strdup (device), g_free); priv->bt_iface = device; g_variant_unref (variant); } g_simple_async_result_complete (result); g_object_unref (result); g_object_unref (result_object); } void nm_bluez_device_connect_async (NMBluezDevice *self, NMBluetoothCapabilities connection_bt_type, GAsyncReadyCallback callback, gpointer user_data) { GSimpleAsyncResult *simple; NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); const char *dbus_iface; const char *connect_type = BLUETOOTH_CONNECT_NAP; g_return_if_fail (priv->capabilities & connection_bt_type & (NM_BT_CAPABILITY_DUN | NM_BT_CAPABILITY_NAP)); if (priv->bluez_version == 5) { g_return_if_fail (connection_bt_type == NM_BT_CAPABILITY_NAP); dbus_iface = BLUEZ5_NETWORK_INTERFACE; } else if (priv->bluez_version == 4 && connection_bt_type == NM_BT_CAPABILITY_DUN) { dbus_iface = BLUEZ4_SERIAL_INTERFACE; connect_type = BLUETOOTH_CONNECT_DUN; } else { g_return_if_fail (priv->bluez_version == 4 && connection_bt_type == NM_BT_CAPABILITY_NAP); dbus_iface = BLUEZ4_NETWORK_INTERFACE; } simple = g_simple_async_result_new (G_OBJECT (self), callback, user_data, nm_bluez_device_connect_async); g_dbus_connection_call (priv->dbus_connection, BLUEZ_SERVICE, priv->path, dbus_iface, "Connect", g_variant_new ("(s)", connect_type), NULL, G_DBUS_CALL_FLAGS_NONE, 20000, NULL, (GAsyncReadyCallback) bluez_connect_cb, simple); priv->connection_bt_type = connection_bt_type; } const char * nm_bluez_device_connect_finish (NMBluezDevice *self, GAsyncResult *result, GError **error) { GSimpleAsyncResult *simple; const char *device; g_return_val_if_fail (g_simple_async_result_is_valid (result, G_OBJECT (self), nm_bluez_device_connect_async), NULL); simple = (GSimpleAsyncResult *) result; if (g_simple_async_result_propagate_error (simple, error)) return NULL; device = (const char *) g_simple_async_result_get_op_res_gpointer (simple); return device; } /***********************************************************/ static guint32 convert_uuids_to_capabilities (const char **strings, int bluez_version) { 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: if (bluez_version == 4) capabilities |= NM_BT_CAPABILITY_DUN; break; case 0x1116: capabilities |= NM_BT_CAPABILITY_NAP; break; default: break; } } g_strfreev (parts); } return capabilities; } static void _set_property_capabilities (NMBluezDevice *self, const char **uuids) { guint32 uint_val; NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); uint_val = convert_uuids_to_capabilities (uuids, priv->bluez_version); if (priv->capabilities != uint_val) { if (priv->capabilities) { /* changing (relevant) capabilities is not supported and ignored -- except setting initially */ nm_log_warn (LOGD_BT, "bluez[%s] ignore change of capabilities for Bluetooth device from %u to %u", priv->path, priv->capabilities, uint_val); return; } nm_log_dbg (LOGD_BT, "bluez[%s] set capabilities for Bluetooth device: %s%s%s", priv->path, uint_val & NM_BT_CAPABILITY_NAP ? "NAP" : "", ((uint_val & NM_BT_CAPABILITY_DUN) && (uint_val &NM_BT_CAPABILITY_NAP)) ? " | " : "", uint_val & NM_BT_CAPABILITY_DUN ? "DUN" : ""); priv->capabilities = uint_val; g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_CAPABILITIES); } } /** * priv->address can only be set one to a certain (non NULL) value. Every later attempt * to reset it to another value will be ignored and a warning will be logged. * * When setting the address for the first time, we also set bin_address. **/ static void _set_property_address (NMBluezDevice *self, const char *addr) { struct ether_addr *tmp; NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); if (g_strcmp0 (priv->address, addr) == 0) return; if (!addr) { nm_log_warn (LOGD_BT, "bluez[%s] cannot reset address from '%s' to NULL", priv->path, priv->address); return; } if (priv->address != NULL) { nm_log_warn (LOGD_BT, "bluez[%s] cannot reset address from '%s' to '%s'", priv->path, priv->address, addr); return; } tmp = ether_aton (addr); if (!tmp) { if (priv->address) nm_log_warn (LOGD_BT, "bluez[%s] cannot reset address from '%s' to '%s' (invalid value)", priv->path, priv->address, addr); else nm_log_warn (LOGD_BT, "bluez[%s] cannot reset address from NULL to '%s' (invalid value)", priv->path, addr); return; } memcpy (priv->bin_address, tmp->ether_addr_octet, ETH_ALEN); priv->address = g_strdup (addr); g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_ADDRESS); } static void _take_variant_property_address (NMBluezDevice *self, GVariant *v) { _set_property_address (self, VARIANT_IS_OF_TYPE_STRING (v) ? g_variant_get_string (v, NULL) : NULL); if (v) g_variant_unref (v); } static void _take_variant_property_name (NMBluezDevice *self, GVariant *v) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); const char *str; if (VARIANT_IS_OF_TYPE_STRING (v)) { str = g_variant_get_string (v, NULL); if (g_strcmp0 (priv->name, str)) { g_free (priv->name); priv->name = g_strdup (str); g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_NAME); } } if (v) g_variant_unref (v); } static void _take_variant_property_uuids (NMBluezDevice *self, GVariant *v) { if (VARIANT_IS_OF_TYPE_STRING_ARRAY (v)) { const char **uuids = g_variant_get_strv (v, NULL); _set_property_capabilities (self, uuids); g_free (uuids); } if (v) g_variant_unref (v); } static void _take_variant_property_connected (NMBluezDevice *self, GVariant *v) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); if (VARIANT_IS_OF_TYPE_BOOLEAN (v)) { gboolean connected = g_variant_get_boolean (v); if (priv->connected != connected) { priv->connected = connected; g_object_notify (G_OBJECT (self), NM_BLUEZ_DEVICE_CONNECTED); } } if (v) g_variant_unref (v); } static void adapter5_on_properties_changed (GDBusProxy *proxy, GVariant *changed_properties, GStrv invalidated_properties, gpointer user_data) { NMBluezDevice *self = NM_BLUEZ_DEVICE (user_data); NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); GVariantIter i; const char *property; GVariant *v; g_variant_iter_init (&i, changed_properties); while (g_variant_iter_next (&i, "{&sv}", &property, &v)) { if (!strcmp (property, "Powered") && VARIANT_IS_OF_TYPE_BOOLEAN (v)) { gboolean powered = g_variant_get_boolean (v); if (priv->adapter_powered != powered) priv->adapter_powered = powered; } g_variant_unref (v); } check_emit_usable (self); } static void adapter5_on_acquired (GObject *object, GAsyncResult *res, NMBluezDevice *self) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); GError *error; GVariant *v; priv->adapter5 = g_dbus_proxy_new_for_bus_finish (res, &error); if (!priv->adapter5) { nm_log_warn (LOGD_BT, "bluez[%s] failed to acquire adapter proxy: %s.", priv->path, error->message); g_clear_error (&error); g_signal_emit (self, signals[INITIALIZED], 0, FALSE); } else { g_signal_connect (priv->adapter5, "g-properties-changed", G_CALLBACK (adapter5_on_properties_changed), self); /* Check adapter's powered state */ v = g_dbus_proxy_get_cached_property (priv->adapter5, "Powered"); priv->adapter_powered = VARIANT_IS_OF_TYPE_BOOLEAN (v) ? g_variant_get_boolean (v) : FALSE; if (v) g_variant_unref (v); priv->initialized = TRUE; g_signal_emit (self, signals[INITIALIZED], 0, TRUE); check_emit_usable (self); } g_object_unref (self); } static void _take_one_variant_property (NMBluezDevice *self, const char *property, GVariant *v) { if (v) { if (!g_strcmp0 (property, "Address")) _take_variant_property_address (self, v); else if (!g_strcmp0 (property, "Connected")) _take_variant_property_connected (self, v); else if (!g_strcmp0 (property, "Name")) _take_variant_property_name (self, v); else if (!g_strcmp0 (property, "UUIDs")) _take_variant_property_uuids (self, v); else g_variant_unref (v); } } static void _set_properties (NMBluezDevice *self, GVariant *properties) { GVariantIter i; const char *property; GVariant *v; g_object_freeze_notify (G_OBJECT (self)); g_variant_iter_init (&i, properties); while (g_variant_iter_next (&i, "{&sv}", &property, &v)) _take_one_variant_property (self, property, v); g_object_thaw_notify (G_OBJECT (self)); } static void properties_changed (GDBusProxy *proxy, GVariant *changed_properties, GStrv invalidated_properties, gpointer user_data) { NMBluezDevice *self = NM_BLUEZ_DEVICE (user_data); _set_properties (self, changed_properties); check_emit_usable (self); } static void bluez4_property_changed (GDBusProxy *proxy, const char *sender, const char *signal_name, GVariant *parameters, gpointer user_data) { NMBluezDevice *self = NM_BLUEZ_DEVICE (user_data); if (g_strcmp0 (signal_name, "PropertyChanged") == 0) { const char *property = NULL; GVariant *v = NULL; g_variant_get (parameters, "(&sv)", &property, &v); _take_one_variant_property (self, property, v); check_emit_usable (self); } } static void get_properties_cb_4 (GObject *source_object, GAsyncResult *res, gpointer user_data) { NMBluezDevice *self = NM_BLUEZ_DEVICE (user_data); NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); GError *err = NULL; GVariant *v_properties, *v_dict; GVariantType *v_type; v_properties = g_dbus_proxy_call_finish (priv->proxy, res, &err); if (!v_properties) { nm_log_warn (LOGD_BT, "bluez[%s] error getting device properties: %s", priv->path, err && err->message ? err->message : "(unknown)"); g_error_free (err); g_signal_emit (self, signals[INITIALIZED], 0, FALSE); goto END; } v_type = g_variant_type_new ("(a{sv})"); if (g_variant_is_of_type (v_properties, v_type)) { v_dict = g_variant_get_child_value (v_properties, 0); _set_properties (self, v_dict); g_variant_unref (v_dict); } else { nm_log_warn (LOGD_BT, "bluez[%s] GetProperties returns unexpected result of type %s", priv->path, g_variant_get_type_string (v_properties)); } g_variant_type_free (v_type); g_variant_unref (v_properties); /* Check if any connections match this device */ load_connections (self); priv->initialized = TRUE; g_signal_emit (self, signals[INITIALIZED], 0, TRUE); check_emit_usable (self); END: g_object_unref (self); } static void query_properties (NMBluezDevice *self) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); GVariant *v; switch (priv->bluez_version) { case 4: g_dbus_proxy_call (priv->proxy, "GetProperties", NULL, G_DBUS_CALL_FLAGS_NO_AUTO_START, 3000, NULL, get_properties_cb_4, g_object_ref (self)); break; case 5: g_object_freeze_notify (G_OBJECT (self)); _take_variant_property_address (self, g_dbus_proxy_get_cached_property (priv->proxy, "Address")); _take_variant_property_connected (self, g_dbus_proxy_get_cached_property (priv->proxy, "Connected")); _take_variant_property_name (self, g_dbus_proxy_get_cached_property (priv->proxy, "Name")); _take_variant_property_uuids (self, g_dbus_proxy_get_cached_property (priv->proxy, "UUIDs")); g_object_thaw_notify (G_OBJECT (self)); v = g_dbus_proxy_get_cached_property (priv->proxy, "Adapter"); if (VARIANT_IS_OF_TYPE_OBJECT_PATH (v)) { g_dbus_proxy_new_for_bus (G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, NULL, BLUEZ_SERVICE, g_variant_get_string (v, NULL), BLUEZ5_ADAPTER_INTERFACE, NULL, (GAsyncReadyCallback) adapter5_on_acquired, g_object_ref (self)); g_variant_unref (v); } else { /* If the Adapter property is unset at this point, we won't try to acquire the adapter later on * and the device stays unusable. This should not happen, but if it does, log a debug message. */ nm_log_dbg (LOGD_BT, "bluez[%s] device has no adapter property and cannot be used.", priv->path); } /* Check if any connections match this device */ load_connections (self); break; } } static void on_proxy_acquired (GObject *object, GAsyncResult *res, NMBluezDevice *self) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); GError *error = NULL; priv->proxy = g_dbus_proxy_new_for_bus_finish (res, &error); if (!priv->proxy) { nm_log_warn (LOGD_BT, "bluez[%s] failed to acquire device proxy: %s.", priv->path, error->message); g_clear_error (&error); g_signal_emit (self, signals[INITIALIZED], 0, FALSE); } else { g_signal_connect (priv->proxy, "g-properties-changed", G_CALLBACK (properties_changed), self); if (priv->bluez_version == 4) { /* Watch for custom Bluez4 PropertyChanged signals */ g_signal_connect (priv->proxy, "g-signal", G_CALLBACK (bluez4_property_changed), self); } query_properties (self); } g_object_unref (self); } static void on_bus_acquired (GObject *object, GAsyncResult *res, NMBluezDevice *self) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); GError *error = NULL; priv->dbus_connection = g_bus_get_finish (res, &error); if (!priv->dbus_connection) { nm_log_warn (LOGD_BT, "bluez[%s] failed to acquire bus connection: %s.", priv->path, error->message); g_clear_error (&error); g_signal_emit (self, signals[INITIALIZED], 0, FALSE); } else check_emit_usable (self); g_object_unref (self); } /********************************************************************/ NMBluezDevice * nm_bluez_device_new (const char *path, NMConnectionProvider *provider, int bluez_version) { NMBluezDevice *self; NMBluezDevicePrivate *priv; const char *interface_name = NULL; g_return_val_if_fail (path != NULL, NULL); g_return_val_if_fail (provider != NULL, NULL); g_return_val_if_fail (bluez_version == 4 || bluez_version == 5, NULL); self = (NMBluezDevice *) g_object_new (NM_TYPE_BLUEZ_DEVICE, NM_BLUEZ_DEVICE_PATH, path, NULL); if (!self) return NULL; nm_log_dbg (LOGD_BT, "bluez[%s] create NMBluezDevice", path); priv = NM_BLUEZ_DEVICE_GET_PRIVATE (self); priv->bluez_version = bluez_version; 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_bus_get (G_BUS_TYPE_SYSTEM, NULL, (GAsyncReadyCallback) on_bus_acquired, g_object_ref (self)); switch (priv->bluez_version) { case 4: interface_name = BLUEZ4_DEVICE_INTERFACE; break; case 5: interface_name = BLUEZ5_DEVICE_INTERFACE; break; } g_dbus_proxy_new_for_bus (G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, NULL, BLUEZ_SERVICE, priv->path, interface_name, NULL, (GAsyncReadyCallback) on_proxy_acquired, g_object_ref (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); NMConnection *to_delete = NULL; if (priv->pan_connection) { /* Check whether we want to remove the created connection. If so, we take a reference * and delete it at the end of dispose(). */ if ( nm_settings_connection_get_unsaved (NM_SETTINGS_CONNECTION (priv->pan_connection)) && nm_connection_compare (priv->pan_connection, priv->pan_connection_original, NM_SETTING_COMPARE_FLAG_EXACT)) to_delete = g_object_ref (priv->pan_connection); priv->pan_connection = NULL; g_clear_object (&priv->pan_connection_original); } 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_slist_free_full (priv->connections, g_object_unref); priv->connections = NULL; g_clear_object (&priv->adapter5); g_clear_object (&priv->dbus_connection); G_OBJECT_CLASS (nm_bluez_device_parent_class)->dispose (object); if (to_delete) { nm_log_dbg (LOGD_BT, "bluez[%s] removing Bluetooth connection for NAP device: '%s' (%s)", priv->path, nm_connection_get_id (to_delete), nm_connection_get_uuid (to_delete)); nm_settings_connection_delete (NM_SETTINGS_CONNECTION (to_delete), NULL, NULL); g_object_unref (to_delete); } } static void finalize (GObject *object) { NMBluezDevicePrivate *priv = NM_BLUEZ_DEVICE_GET_PRIVATE (object); nm_log_dbg (LOGD_BT, "bluez[%s]: finalize NMBluezDevice", priv->path); g_free (priv->path); g_free (priv->address); g_free (priv->name); g_free (priv->bt_iface); if (priv->proxy) g_signal_handlers_disconnect_by_data (priv->proxy, object); g_clear_object (&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_USABLE: g_value_set_boolean (value, priv->usable); break; case PROP_CONNECTED: g_value_set_boolean (value, priv->connected); 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_USABLE, g_param_spec_boolean (NM_BLUEZ_DEVICE_USABLE, "Usable", "Usable", FALSE, G_PARAM_READABLE)); g_object_class_install_property (object_class, PROP_CONNECTED, g_param_spec_boolean (NM_BLUEZ_DEVICE_CONNECTED, "Connected", "Connected", 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, NULL, G_TYPE_NONE, 1, G_TYPE_BOOLEAN); signals[REMOVED] = g_signal_new (NM_BLUEZ_DEVICE_REMOVED, G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (NMBluezDeviceClass, removed), NULL, NULL, NULL, G_TYPE_NONE, 0); }