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Diffstat (limited to 'libnm/nm-device-bt.c')
| -rw-r--r-- | libnm/nm-device-bt.c | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/libnm/nm-device-bt.c b/libnm/nm-device-bt.c new file mode 100644 index 0000000000..00616a95a8 --- /dev/null +++ b/libnm/nm-device-bt.c @@ -0,0 +1,373 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* + * This library 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 of the License, or (at your option) any later version. + * + * This library 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 library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA. + * + * Copyright 2007 - 2008 Novell, Inc. + * Copyright 2007 - 2012 Red Hat, Inc. + */ + +#include <config.h> +#include <string.h> +#include <netinet/ether.h> + +#include "nm-glib-compat.h" + +#include <nm-setting-connection.h> +#include <nm-setting-bluetooth.h> + +#include "nm-device-bt.h" +#include "nm-device-private.h" +#include "nm-object-private.h" + +G_DEFINE_TYPE (NMDeviceBt, nm_device_bt, NM_TYPE_DEVICE) + +#define NM_DEVICE_BT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_BT, NMDeviceBtPrivate)) + +typedef struct { + DBusGProxy *proxy; + + char *hw_address; + char *name; + guint32 bt_capabilities; +} NMDeviceBtPrivate; + +enum { + PROP_0, + PROP_HW_ADDRESS, + PROP_NAME, + PROP_BT_CAPABILITIES, + + LAST_PROP +}; + +/** + * nm_device_bt_error_quark: + * + * Registers an error quark for #NMDeviceBt if necessary. + * + * Returns: the error quark used for #NMDeviceBt errors. + **/ +GQuark +nm_device_bt_error_quark (void) +{ + static GQuark quark = 0; + + if (G_UNLIKELY (quark == 0)) + quark = g_quark_from_static_string ("nm-device-bt-error-quark"); + return quark; +} + +/** + * nm_device_bt_new: + * @connection: the #DBusGConnection + * @path: the DBus object path of the device + * + * Creates a new #NMDeviceBt. + * + * Returns: (transfer full): a new device + **/ +GObject * +nm_device_bt_new (DBusGConnection *connection, const char *path) +{ + g_return_val_if_fail (connection != NULL, NULL); + g_return_val_if_fail (path != NULL, NULL); + + return g_object_new (NM_TYPE_DEVICE_BT, + NM_OBJECT_DBUS_CONNECTION, connection, + NM_OBJECT_DBUS_PATH, path, + NULL); +} + +/** + * nm_device_bt_get_hw_address: + * @device: a #NMDeviceBt + * + * Gets the hardware (MAC) address of the #NMDeviceBt + * + * Returns: the hardware address. This is the internal string used by the + * device, and must not be modified. + **/ +const char * +nm_device_bt_get_hw_address (NMDeviceBt *device) +{ + g_return_val_if_fail (NM_IS_DEVICE_BT (device), NULL); + + _nm_object_ensure_inited (NM_OBJECT (device)); + return NM_DEVICE_BT_GET_PRIVATE (device)->hw_address; +} + +/** + * nm_device_bt_get_name: + * @device: a #NMDeviceBt + * + * Gets the name of the #NMDeviceBt. + * + * Returns: the name of the device + **/ +const char * +nm_device_bt_get_name (NMDeviceBt *device) +{ + g_return_val_if_fail (NM_IS_DEVICE_BT (device), NULL); + + _nm_object_ensure_inited (NM_OBJECT (device)); + return NM_DEVICE_BT_GET_PRIVATE (device)->name; +} + +/** + * nm_device_bt_get_capabilities: + * @device: a #NMDeviceBt + * + * Returns the Bluetooth device's usable capabilities. + * + * Returns: a combination of #NMBluetoothCapabilities + **/ +NMBluetoothCapabilities +nm_device_bt_get_capabilities (NMDeviceBt *device) +{ + g_return_val_if_fail (NM_IS_DEVICE_BT (device), NM_BT_CAPABILITY_NONE); + + _nm_object_ensure_inited (NM_OBJECT (device)); + return NM_DEVICE_BT_GET_PRIVATE (device)->bt_capabilities; +} + +static NMBluetoothCapabilities +get_connection_bt_type (NMConnection *connection) +{ + NMSettingBluetooth *s_bt; + const char *bt_type; + + s_bt = nm_connection_get_setting_bluetooth (connection); + if (!s_bt) + return NM_BT_CAPABILITY_NONE; + + bt_type = nm_setting_bluetooth_get_connection_type (s_bt); + g_assert (bt_type); + + if (!strcmp (bt_type, NM_SETTING_BLUETOOTH_TYPE_DUN)) + return NM_BT_CAPABILITY_DUN; + else if (!strcmp (bt_type, NM_SETTING_BLUETOOTH_TYPE_PANU)) + return NM_BT_CAPABILITY_NAP; + + return NM_BT_CAPABILITY_NONE; +} + +static gboolean +connection_compatible (NMDevice *device, NMConnection *connection, GError **error) +{ + NMSettingConnection *s_con; + NMSettingBluetooth *s_bt; + const char *ctype; + const GByteArray *mac; + const char *hw_str; + struct ether_addr *hw_mac; + NMBluetoothCapabilities dev_caps; + NMBluetoothCapabilities bt_type; + + s_con = nm_connection_get_setting_connection (connection); + g_assert (s_con); + + ctype = nm_setting_connection_get_connection_type (s_con); + if (strcmp (ctype, NM_SETTING_BLUETOOTH_SETTING_NAME) != 0) { + g_set_error (error, NM_DEVICE_BT_ERROR, NM_DEVICE_BT_ERROR_NOT_BT_CONNECTION, + "The connection was not a Bluetooth connection."); + return FALSE; + } + + s_bt = nm_connection_get_setting_bluetooth (connection); + if (!s_bt) { + g_set_error (error, NM_DEVICE_BT_ERROR, NM_DEVICE_BT_ERROR_INVALID_BT_CONNECTION, + "The connection was not a valid Bluetooth connection."); + return FALSE; + } + + /* Check BT address */ + hw_str = nm_device_bt_get_hw_address (NM_DEVICE_BT (device)); + if (hw_str) { + hw_mac = ether_aton (hw_str); + if (!hw_mac) { + g_set_error (error, NM_DEVICE_BT_ERROR, NM_DEVICE_BT_ERROR_INVALID_DEVICE_MAC, + "Invalid device MAC address."); + return FALSE; + } + mac = nm_setting_bluetooth_get_bdaddr (s_bt); + if (mac && hw_mac && memcmp (mac->data, hw_mac->ether_addr_octet, ETH_ALEN)) { + g_set_error (error, NM_DEVICE_BT_ERROR, NM_DEVICE_BT_ERROR_MAC_MISMATCH, + "The MACs of the device and the connection didn't match."); + return FALSE; + } + } + + dev_caps = nm_device_bt_get_capabilities (NM_DEVICE_BT (device)); + bt_type = get_connection_bt_type (connection); + if (!(bt_type & dev_caps)) { + g_set_error (error, NM_DEVICE_BT_ERROR, NM_DEVICE_BT_ERROR_MISSING_DEVICE_CAPS, + "The device missed BT capabilities required by the connection."); + return FALSE; + } + + return NM_DEVICE_CLASS (nm_device_bt_parent_class)->connection_compatible (device, connection, error); +} + +static GType +get_setting_type (NMDevice *device) +{ + return NM_TYPE_SETTING_BLUETOOTH; +} + +static const char * +get_hw_address (NMDevice *device) +{ + return nm_device_bt_get_hw_address (NM_DEVICE_BT (device)); +} + +/************************************************************/ + +static void +nm_device_bt_init (NMDeviceBt *device) +{ + _nm_device_set_device_type (NM_DEVICE (device), NM_DEVICE_TYPE_BT); +} + +static void +register_properties (NMDeviceBt *device) +{ + NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device); + const NMPropertiesInfo property_info[] = { + { NM_DEVICE_BT_HW_ADDRESS, &priv->hw_address }, + { NM_DEVICE_BT_NAME, &priv->name }, + { NM_DEVICE_BT_CAPABILITIES, &priv->bt_capabilities }, + { NULL }, + }; + + _nm_object_register_properties (NM_OBJECT (device), + priv->proxy, + property_info); +} + +static void +constructed (GObject *object) +{ + NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (object); + + G_OBJECT_CLASS (nm_device_bt_parent_class)->constructed (object); + + priv->proxy = _nm_object_new_proxy (NM_OBJECT (object), NULL, NM_DBUS_INTERFACE_DEVICE_BLUETOOTH); + register_properties (NM_DEVICE_BT (object)); +} + +static void +dispose (GObject *object) +{ + NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (object); + + g_clear_object (&priv->proxy); + + G_OBJECT_CLASS (nm_device_bt_parent_class)->dispose (object); +} + +static void +finalize (GObject *object) +{ + NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (object); + + g_free (priv->hw_address); + g_free (priv->name); + + G_OBJECT_CLASS (nm_device_bt_parent_class)->finalize (object); +} + +static void +get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + NMDeviceBt *device = NM_DEVICE_BT (object); + + _nm_object_ensure_inited (NM_OBJECT (object)); + + switch (prop_id) { + case PROP_HW_ADDRESS: + g_value_set_string (value, nm_device_bt_get_hw_address (device)); + break; + case PROP_NAME: + g_value_set_string (value, nm_device_bt_get_name (device)); + break; + case PROP_BT_CAPABILITIES: + g_value_set_uint (value, nm_device_bt_get_capabilities (device)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nm_device_bt_class_init (NMDeviceBtClass *bt_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (bt_class); + NMDeviceClass *device_class = NM_DEVICE_CLASS (bt_class); + + g_type_class_add_private (bt_class, sizeof (NMDeviceBtPrivate)); + + /* virtual methods */ + object_class->constructed = constructed; + object_class->dispose = dispose; + object_class->finalize = finalize; + object_class->get_property = get_property; + device_class->connection_compatible = connection_compatible; + device_class->get_setting_type = get_setting_type; + device_class->get_hw_address = get_hw_address; + + /* properties */ + + /** + * NMDeviceBt:hw-address: + * + * The hardware (MAC) address of the device. + **/ + g_object_class_install_property + (object_class, PROP_HW_ADDRESS, + g_param_spec_string (NM_DEVICE_BT_HW_ADDRESS, "", "", + NULL, + G_PARAM_READABLE | + G_PARAM_STATIC_STRINGS)); + + /** + * NMDeviceBt:name: + * + * The name of the bluetooth device. + **/ + g_object_class_install_property + (object_class, PROP_NAME, + g_param_spec_string (NM_DEVICE_BT_NAME, "", "", + NULL, + G_PARAM_READABLE | + G_PARAM_STATIC_STRINGS)); + + /** + * NMDeviceBt:bt-capabilities: + * + * The device's bluetooth capabilities, a combination of #NMBluetoothCapabilities. + **/ + g_object_class_install_property + (object_class, PROP_BT_CAPABILITIES, + g_param_spec_uint (NM_DEVICE_BT_CAPABILITIES, "", "", + NM_BT_CAPABILITY_NONE, G_MAXUINT32, NM_BT_CAPABILITY_NONE, + G_PARAM_READABLE | + G_PARAM_STATIC_STRINGS)); + +} |