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NetworkManager/src/nm-device-bt.c
Dan Winship 0b57fe0c56 core: simplify nm_device_get_best_auto_connection() implementations 
Filter out non-autoconnect connections in the generic NMDevice method
rather than requiring each subclass to do it.

https://bugzilla.gnome.org/show_bug.cgi?id=688284
2013-01-29 10:14:19 -05:00

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/* -*- 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 - 2011 Red Hat, Inc.
*/
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <net/ethernet.h>
#include <netinet/ether.h>
#include <glib/gi18n.h>
#include "nm-glib-compat.h"
#include "nm-bluez-common.h"
#include "nm-dbus-manager.h"
#include "nm-device-bt.h"
#include "nm-device-private.h"
#include "nm-logging.h"
#include "nm-marshal.h"
#include "ppp-manager/nm-ppp-manager.h"
#include "nm-properties-changed-signal.h"
#include "nm-setting-connection.h"
#include "nm-setting-bluetooth.h"
#include "nm-setting-cdma.h"
#include "nm-setting-gsm.h"
#include "nm-setting-serial.h"
#include "nm-setting-ppp.h"
#include "nm-device-bt-glue.h"
#include "NetworkManagerUtils.h"
#include "nm-enum-types.h"
#include "nm-utils.h"
#define MM_OLD_DBUS_SERVICE "org.freedesktop.ModemManager"
#define MM_NEW_DBUS_SERVICE "org.freedesktop.ModemManager1"
#define BLUETOOTH_DUN_UUID "dun"
#define BLUETOOTH_NAP_UUID "nap"
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))
static gboolean modem_stage1 (NMDeviceBt *self, NMModem *modem, NMDeviceStateReason *reason);
typedef struct {
NMDBusManager *dbus_mgr;
guint mm_watch_id;
gboolean mm_running;
guint8 hw_addr[ETH_ALEN]; /* binary representation of bdaddr */
char *bdaddr;
char *name;
guint32 capabilities;
gboolean connected;
gboolean have_iface;
DBusGProxy *type_proxy;
DBusGProxy *dev_proxy;
char *rfcomm_iface;
NMModem *modem;
guint32 timeout_id;
guint32 bt_type; /* BT type of the current connection */
} NMDeviceBtPrivate;
enum {
PROP_0,
PROP_HW_ADDRESS,
PROP_BT_NAME,
PROP_BT_CAPABILITIES,
LAST_PROP
};
enum {
PPP_STATS,
PROPERTIES_CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
#define NM_BT_ERROR (nm_bt_error_quark ())
static GQuark
nm_bt_error_quark (void)
{
static GQuark quark = 0;
if (!quark)
quark = g_quark_from_static_string ("nm-bt-error");
return quark;
}
guint32 nm_device_bt_get_capabilities (NMDeviceBt *self)
{
g_return_val_if_fail (self != NULL, NM_BT_CAPABILITY_NONE);
g_return_val_if_fail (NM_IS_DEVICE_BT (self), NM_BT_CAPABILITY_NONE);
return NM_DEVICE_BT_GET_PRIVATE (self)->capabilities;
}
static guint32
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 NMConnection *
get_best_auto_connection (NMDevice *device,
GSList *connections,
char **specific_object)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device);
GSList *iter;
for (iter = connections; iter; iter = g_slist_next (iter)) {
NMConnection *connection = NM_CONNECTION (iter->data);
guint32 bt_type;
if (!nm_connection_is_type (connection, NM_SETTING_BLUETOOTH_SETTING_NAME))
continue;
bt_type = get_connection_bt_type (connection);
if (!(bt_type & priv->capabilities))
continue;
/* Can't auto-activate a DUN connection without ModemManager */
if (bt_type == NM_BT_CAPABILITY_DUN && priv->mm_running == FALSE)
continue;
return connection;
}
return NULL;
}
static gboolean
check_connection_compatible (NMDevice *device,
NMConnection *connection,
GError **error)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device);
NMSettingConnection *s_con;
NMSettingBluetooth *s_bt;
const GByteArray *array;
char *str;
int addr_match = FALSE;
guint32 bt_type;
s_con = nm_connection_get_setting_connection (connection);
g_assert (s_con);
if (strcmp (nm_setting_connection_get_connection_type (s_con), NM_SETTING_BLUETOOTH_SETTING_NAME)) {
g_set_error (error,
NM_BT_ERROR, NM_BT_ERROR_CONNECTION_NOT_BT,
"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_BT_ERROR, NM_BT_ERROR_CONNECTION_INVALID,
"The connection was not a valid Bluetooth connection.");
return FALSE;
}
array = nm_setting_bluetooth_get_bdaddr (s_bt);
if (!array || (array->len != ETH_ALEN)) {
g_set_error (error,
NM_BT_ERROR, NM_BT_ERROR_CONNECTION_INVALID,
"The connection did not contain a valid Bluetooth address.");
return FALSE;
}
bt_type = get_connection_bt_type (connection);
if (!(bt_type & priv->capabilities)) {
g_set_error (error,
NM_BT_ERROR, NM_BT_ERROR_CONNECTION_INCOMPATIBLE,
"The connection was not compatible with the device's capabilities.");
return FALSE;
}
str = g_strdup_printf ("%02X:%02X:%02X:%02X:%02X:%02X",
array->data[0], array->data[1], array->data[2],
array->data[3], array->data[4], array->data[5]);
addr_match = !strcmp (priv->bdaddr, str);
g_free (str);
return addr_match;
}
static gboolean
check_connection_available (NMDevice *device, NMConnection *connection)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device);
guint32 bt_type;
bt_type = get_connection_bt_type (connection);
if (!(bt_type & priv->capabilities))
return FALSE;
/* DUN connections aren't available without ModemManager */
if (bt_type == NM_BT_CAPABILITY_DUN && priv->mm_running == FALSE)
return FALSE;
return TRUE;
}
static gboolean
complete_connection (NMDevice *device,
NMConnection *connection,
const char *specific_object,
const GSList *existing_connections,
GError **error)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device);
NMSettingBluetooth *s_bt;
const GByteArray *setting_bdaddr;
struct ether_addr *devaddr = ether_aton (priv->bdaddr);
const char *ctype;
gboolean is_dun = FALSE, is_pan = FALSE;
NMSettingGsm *s_gsm;
NMSettingCdma *s_cdma;
NMSettingSerial *s_serial;
NMSettingPPP *s_ppp;
const char *format = NULL, *preferred = NULL;
s_gsm = nm_connection_get_setting_gsm (connection);
s_cdma = nm_connection_get_setting_cdma (connection);
s_serial = nm_connection_get_setting_serial (connection);
s_ppp = nm_connection_get_setting_ppp (connection);
s_bt = nm_connection_get_setting_bluetooth (connection);
if (!s_bt) {
s_bt = (NMSettingBluetooth *) nm_setting_bluetooth_new ();
nm_connection_add_setting (connection, NM_SETTING (s_bt));
}
ctype = nm_setting_bluetooth_get_connection_type (s_bt);
if (ctype) {
if (!strcmp (ctype, NM_SETTING_BLUETOOTH_TYPE_DUN))
is_dun = TRUE;
else if (!strcmp (ctype, NM_SETTING_BLUETOOTH_TYPE_PANU))
is_pan = TRUE;
} else {
if (s_gsm || s_cdma)
is_dun = TRUE;
else if (priv->capabilities & NM_BT_CAPABILITY_NAP)
is_pan = TRUE;
}
if (is_pan) {
/* Make sure the device supports PAN */
if (!(priv->capabilities & NM_BT_CAPABILITY_NAP)) {
g_set_error_literal (error,
NM_SETTING_BLUETOOTH_ERROR,
NM_SETTING_BLUETOOTH_ERROR_INVALID_PROPERTY,
"PAN required but Bluetooth device does not support NAP");
return FALSE;
}
/* PAN can't use any DUN-related settings */
if (s_gsm || s_cdma || s_serial || s_ppp) {
g_set_error_literal (error,
NM_SETTING_BLUETOOTH_ERROR,
NM_SETTING_BLUETOOTH_ERROR_INVALID_PROPERTY,
"PAN incompatible with GSM, CDMA, or serial settings");
return FALSE;
}
g_object_set (G_OBJECT (s_bt),
NM_SETTING_BLUETOOTH_TYPE, NM_SETTING_BLUETOOTH_TYPE_PANU,
NULL);
format = _("PAN connection %d");
} else if (is_dun) {
/* Make sure the device supports PAN */
if (!(priv->capabilities & NM_BT_CAPABILITY_DUN)) {
g_set_error_literal (error,
NM_SETTING_BLUETOOTH_ERROR,
NM_SETTING_BLUETOOTH_ERROR_INVALID_PROPERTY,
"DUN required but Bluetooth device does not support DUN");
return FALSE;
}
/* Need at least a GSM or a CDMA setting */
if (!s_gsm && !s_cdma) {
g_set_error_literal (error,
NM_SETTING_BLUETOOTH_ERROR,
NM_SETTING_BLUETOOTH_ERROR_INVALID_PROPERTY,
"Setting requires DUN but no GSM or CDMA setting is present");
return FALSE;
}
g_object_set (G_OBJECT (s_bt),
NM_SETTING_BLUETOOTH_TYPE, NM_SETTING_BLUETOOTH_TYPE_DUN,
NULL);
if (s_gsm) {
format = _("GSM connection %d");
if (!nm_setting_gsm_get_number (s_gsm))
g_object_set (G_OBJECT (s_gsm), NM_SETTING_GSM_NUMBER, "*99#", NULL);
} else if (s_cdma) {
format = _("CDMA connection %d");
if (!nm_setting_cdma_get_number (s_cdma))
g_object_set (G_OBJECT (s_cdma), NM_SETTING_GSM_NUMBER, "#777", NULL);
} else
format = _("DUN connection %d");
} else {
g_set_error_literal (error,
NM_SETTING_BLUETOOTH_ERROR,
NM_SETTING_BLUETOOTH_ERROR_INVALID_PROPERTY,
"Unknown/unhandled Bluetooth connection type");
return FALSE;
}
nm_utils_complete_generic (connection,
NM_SETTING_BLUETOOTH_SETTING_NAME,
existing_connections,
format,
preferred,
is_dun ? FALSE : TRUE); /* No IPv6 yet for DUN */
setting_bdaddr = nm_setting_bluetooth_get_bdaddr (s_bt);
if (setting_bdaddr) {
/* Make sure the setting BT Address (if any) matches the device's */
if (memcmp (setting_bdaddr->data, devaddr->ether_addr_octet, ETH_ALEN)) {
g_set_error_literal (error,
NM_SETTING_BLUETOOTH_ERROR,
NM_SETTING_BLUETOOTH_ERROR_INVALID_PROPERTY,
NM_SETTING_BLUETOOTH_BDADDR);
return FALSE;
}
} else {
GByteArray *bdaddr;
const guint8 null_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
/* Lock the connection to this device by default */
if (memcmp (devaddr->ether_addr_octet, null_mac, ETH_ALEN)) {
bdaddr = g_byte_array_sized_new (ETH_ALEN);
g_byte_array_append (bdaddr, devaddr->ether_addr_octet, ETH_ALEN);
g_object_set (G_OBJECT (s_bt), NM_SETTING_BLUETOOTH_BDADDR, bdaddr, NULL);
g_byte_array_free (bdaddr, TRUE);
}
}
return TRUE;
}
static guint32
get_generic_capabilities (NMDevice *dev)
{
return NM_DEVICE_CAP_NM_SUPPORTED;
}
static const guint8 *
get_hw_address (NMDevice *device, guint *out_len)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device);
*out_len = sizeof (priv->hw_addr);
return priv->hw_addr;
}
static gboolean
hwaddr_matches (NMDevice *device,
NMConnection *connection,
const guint8 *other_hwaddr,
guint other_hwaddr_len,
gboolean fail_if_no_hwaddr)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device);
NMSettingBluetooth *s_bt;
const GByteArray *mac = NULL;
gboolean matches = FALSE;
GByteArray *devmac;
s_bt = nm_connection_get_setting_bluetooth (connection);
if (s_bt)
mac = nm_setting_bluetooth_get_bdaddr (s_bt);
if (mac) {
devmac = nm_utils_hwaddr_atoba (priv->bdaddr, ARPHRD_ETHER);
g_return_val_if_fail (devmac != NULL, FALSE);
g_return_val_if_fail (devmac->len == mac->len, FALSE);
if (other_hwaddr) {
g_return_val_if_fail (other_hwaddr_len == devmac->len, FALSE);
matches = (memcmp (mac->data, other_hwaddr, mac->len) == 0) ? TRUE : FALSE;
} else
matches = (memcmp (mac->data, devmac->data, mac->len) == 0) ? TRUE : FALSE;
g_byte_array_free (devmac, TRUE);
return matches;
} else if (fail_if_no_hwaddr == FALSE)
return TRUE;
return FALSE;
}
/*****************************************************************************/
/* IP method PPP */
static void
ppp_stats (NMModem *modem,
guint32 in_bytes,
guint32 out_bytes,
gpointer user_data)
{
g_signal_emit (NM_DEVICE_BT (user_data), signals[PPP_STATS], 0, in_bytes, out_bytes);
}
static void
ppp_failed (NMModem *modem, NMDeviceStateReason reason, gpointer user_data)
{
NMDevice *device = NM_DEVICE (user_data);
switch (nm_device_get_state (device)) {
case NM_DEVICE_STATE_PREPARE:
case NM_DEVICE_STATE_CONFIG:
case NM_DEVICE_STATE_NEED_AUTH:
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, reason);
break;
case NM_DEVICE_STATE_IP_CONFIG:
case NM_DEVICE_STATE_IP_CHECK:
case NM_DEVICE_STATE_SECONDARIES:
case NM_DEVICE_STATE_ACTIVATED:
if (nm_device_activate_ip4_state_in_conf (device))
nm_device_activate_schedule_ip4_config_timeout (device);
else {
nm_device_state_changed (device,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE);
}
break;
default:
break;
}
}
static void
modem_auth_requested (NMModem *modem, gpointer user_data)
{
nm_device_state_changed (NM_DEVICE (user_data),
NM_DEVICE_STATE_NEED_AUTH,
NM_DEVICE_STATE_REASON_NONE);
}
static void
modem_auth_result (NMModem *modem, GError *error, gpointer user_data)
{
NMDevice *device = NM_DEVICE (user_data);
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device);
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
if (error) {
nm_device_state_changed (device,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_NO_SECRETS);
} else {
/* Otherwise, on success for GSM/CDMA secrets we need to schedule modem stage1 again */
g_return_if_fail (nm_device_get_state (device) == NM_DEVICE_STATE_NEED_AUTH);
if (!modem_stage1 (NM_DEVICE_BT (device), priv->modem, &reason))
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, reason);
}
}
static void
modem_prepare_result (NMModem *modem,
gboolean success,
NMDeviceStateReason reason,
gpointer user_data)
{
NMDevice *device = NM_DEVICE (user_data);
NMDeviceState state;
state = nm_device_get_state (device);
g_return_if_fail (state == NM_DEVICE_STATE_CONFIG || state == NM_DEVICE_STATE_NEED_AUTH);
if (success) {
NMActRequest *req;
NMActStageReturn ret;
NMDeviceStateReason stage2_reason = NM_DEVICE_STATE_REASON_NONE;
req = nm_device_get_act_request (device);
g_assert (req);
ret = nm_modem_act_stage2_config (modem, req, &stage2_reason);
switch (ret) {
case NM_ACT_STAGE_RETURN_POSTPONE:
break;
case NM_ACT_STAGE_RETURN_SUCCESS:
nm_device_activate_schedule_stage3_ip_config_start (device);
break;
case NM_ACT_STAGE_RETURN_FAILURE:
default:
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, stage2_reason);
break;
}
} else
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, reason);
}
static void
device_state_changed (NMDevice *device,
NMDeviceState new_state,
NMDeviceState old_state,
NMDeviceStateReason reason)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device);
if (priv->modem)
nm_modem_device_state_changed (priv->modem, new_state, old_state, reason);
}
static void
modem_ip4_config_result (NMModem *self,
NMIP4Config *config,
GError *error,
gpointer user_data)
{
NMDevice *device = NM_DEVICE (user_data);
g_return_if_fail (nm_device_activate_ip4_state_in_conf (device) == TRUE);
if (error) {
nm_log_warn (LOGD_MB | LOGD_IP4 | LOGD_BT,
"(%s): retrieving IP4 configuration failed: (%d) %s",
nm_device_get_ip_iface (device),
error ? error->code : -1,
error && error->message ? error->message : "(unknown)");
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE);
} else
nm_device_activate_schedule_ip4_config_result (device, config);
}
static void
data_port_changed_cb (NMModem *modem, GParamSpec *pspec, gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
nm_device_set_ip_iface (self, nm_modem_get_data_port (modem));
}
static gboolean
modem_stage1 (NMDeviceBt *self, NMModem *modem, NMDeviceStateReason *reason)
{
NMActRequest *req;
NMActStageReturn ret;
g_return_val_if_fail (reason != NULL, FALSE);
req = nm_device_get_act_request (NM_DEVICE (self));
g_assert (req);
ret = nm_modem_act_stage1_prepare (modem, req, reason);
switch (ret) {
case NM_ACT_STAGE_RETURN_POSTPONE:
case NM_ACT_STAGE_RETURN_SUCCESS:
/* Success, wait for the 'prepare-result' signal */
return TRUE;
case NM_ACT_STAGE_RETURN_FAILURE:
default:
break;
}
return FALSE;
}
/*****************************************************************************/
gboolean
nm_device_bt_modem_added (NMDeviceBt *self,
NMModem *modem,
const char *driver)
{
NMDeviceBtPrivate *priv;
const gchar *modem_data_port;
const gchar *modem_control_port;
char *base;
NMDeviceState state;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
g_return_val_if_fail (self != NULL, FALSE);
g_return_val_if_fail (NM_IS_DEVICE_BT (self), FALSE);
g_return_val_if_fail (modem != NULL, FALSE);
g_return_val_if_fail (NM_IS_MODEM (modem), FALSE);
priv = NM_DEVICE_BT_GET_PRIVATE (self);
modem_data_port = nm_modem_get_data_port (modem);
modem_control_port = nm_modem_get_control_port (modem);
g_return_val_if_fail (modem_data_port != NULL || modem_control_port != NULL, FALSE);
if (!priv->rfcomm_iface)
return FALSE;
base = g_path_get_basename (priv->rfcomm_iface);
if (g_strcmp0 (base, modem_data_port) && g_strcmp0 (base, modem_control_port)) {
g_free (base);
return FALSE;
}
g_free (base);
/* Got the modem */
if (priv->timeout_id) {
g_source_remove (priv->timeout_id);
priv->timeout_id = 0;
}
/* Can only accept the modem in stage2, but since the interface matched
* what we were expecting, don't let anything else claim the modem either.
*/
state = nm_device_get_state (NM_DEVICE (self));
if (state != NM_DEVICE_STATE_CONFIG) {
nm_log_warn (LOGD_BT | LOGD_MB,
"(%s): modem found but device not in correct state (%d)",
nm_device_get_iface (NM_DEVICE (self)),
nm_device_get_state (NM_DEVICE (self)));
return TRUE;
}
nm_log_info (LOGD_BT | LOGD_MB,
"Activation (%s/bluetooth) Stage 2 of 5 (Device Configure) modem found.",
nm_device_get_iface (NM_DEVICE (self)));
if (priv->modem) {
g_warn_if_reached ();
g_object_unref (priv->modem);
}
priv->modem = g_object_ref (modem);
g_signal_connect (modem, NM_MODEM_PPP_STATS, G_CALLBACK (ppp_stats), self);
g_signal_connect (modem, NM_MODEM_PPP_FAILED, G_CALLBACK (ppp_failed), self);
g_signal_connect (modem, NM_MODEM_PREPARE_RESULT, G_CALLBACK (modem_prepare_result), self);
g_signal_connect (modem, NM_MODEM_IP4_CONFIG_RESULT, G_CALLBACK (modem_ip4_config_result), self);
g_signal_connect (modem, NM_MODEM_AUTH_REQUESTED, G_CALLBACK (modem_auth_requested), self);
g_signal_connect (modem, NM_MODEM_AUTH_RESULT, G_CALLBACK (modem_auth_result), self);
/* In the old ModemManager the data port is known from the very beginning;
* while in the new ModemManager the data port is set afterwards when the bearer gets
* created */
if (modem_data_port)
nm_device_set_ip_iface (NM_DEVICE (self), modem_data_port);
g_signal_connect (modem, "notify::" NM_MODEM_DATA_PORT, G_CALLBACK (data_port_changed_cb), self);
/* Kick off the modem connection */
if (!modem_stage1 (self, modem, &reason))
nm_device_state_changed (NM_DEVICE (self), NM_DEVICE_STATE_FAILED, reason);
return TRUE;
}
gboolean
nm_device_bt_modem_removed (NMDeviceBt *self, NMModem *modem)
{
NMDeviceBtPrivate *priv;
NMDeviceState state;
g_return_val_if_fail (self != NULL, FALSE);
g_return_val_if_fail (NM_IS_DEVICE_BT (self), FALSE);
g_return_val_if_fail (modem != NULL, FALSE);
g_return_val_if_fail (NM_IS_MODEM (modem), FALSE);
priv = NM_DEVICE_BT_GET_PRIVATE (self);
if (modem != priv->modem)
return FALSE;
/* Fail the device if the modem was removed while active */
state = nm_device_get_state (NM_DEVICE (self));
if ( state == NM_DEVICE_STATE_ACTIVATED
|| nm_device_is_activating (NM_DEVICE (self))) {
nm_device_state_changed (NM_DEVICE (self),
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_BT_FAILED);
} else {
g_object_unref (priv->modem);
priv->modem = NULL;
}
return TRUE;
}
static gboolean
modem_find_timeout (gpointer user_data)
{
NMDeviceBt *self = NM_DEVICE_BT (user_data);
NM_DEVICE_BT_GET_PRIVATE (self)->timeout_id = 0;
nm_device_state_changed (NM_DEVICE (self),
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_MODEM_NOT_FOUND);
return FALSE;
}
static void
check_connect_continue (NMDeviceBt *self)
{
NMDevice *device = NM_DEVICE (self);
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (self);
gboolean pan = (priv->bt_type == NM_BT_CAPABILITY_NAP);
gboolean dun = (priv->bt_type == NM_BT_CAPABILITY_DUN);
if (!priv->connected || !priv->have_iface)
return;
nm_log_info (LOGD_BT, "Activation (%s %s/bluetooth) Stage 2 of 5 (Device Configure) "
"successful. Will connect via %s.",
nm_device_get_iface (device),
nm_device_get_ip_iface (device),
dun ? "DUN" : (pan ? "PAN" : "unknown"));
/* Kill the connect timeout since we're connected now */
if (priv->timeout_id) {
g_source_remove (priv->timeout_id);
priv->timeout_id = 0;
}
if (pan) {
/* Bluez says we're connected now. Start IP config. */
nm_device_activate_schedule_stage3_ip_config_start (device);
} else if (dun) {
/* Wait for ModemManager to find the modem */
priv->timeout_id = g_timeout_add_seconds (30, modem_find_timeout, self);
nm_log_info (LOGD_BT | LOGD_MB, "Activation (%s/bluetooth) Stage 2 of 5 (Device Configure) "
"waiting for modem to appear.",
nm_device_get_iface (device));
} else
g_assert_not_reached ();
}
static void
bluez_connect_cb (DBusGProxy *proxy,
DBusGProxyCall *call_id,
void *user_data)
{
NMDeviceBt *self = NM_DEVICE_BT (user_data);
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (self);
GError *error = NULL;
char *device;
if (dbus_g_proxy_end_call (proxy, call_id, &error,
G_TYPE_STRING, &device,
G_TYPE_INVALID) == FALSE) {
nm_log_warn (LOGD_BT, "Error connecting with bluez: %s",
error && error->message ? error->message : "(unknown)");
g_clear_error (&error);
nm_device_state_changed (NM_DEVICE (self),
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_BT_FAILED);
return;
}
if (!device || !strlen (device)) {
nm_log_warn (LOGD_BT, "Invalid network device returned by bluez");
nm_device_state_changed (NM_DEVICE (self),
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_BT_FAILED);
}
if (priv->bt_type == NM_BT_CAPABILITY_DUN) {
g_free (priv->rfcomm_iface);
priv->rfcomm_iface = device;
} else if (priv->bt_type == NM_BT_CAPABILITY_NAP) {
nm_device_set_ip_iface (NM_DEVICE (self), device);
g_free (device);
}
nm_log_dbg (LOGD_BT, "(%s): connect request successful",
nm_device_get_iface (NM_DEVICE (self)));
/* Stage 3 gets scheduled when Bluez says we're connected */
priv->have_iface = TRUE;
check_connect_continue (self);
}
static void
bluez_property_changed (DBusGProxy *proxy,
const char *property,
GValue *value,
gpointer user_data)
{
NMDevice *device = NM_DEVICE (user_data);
NMDeviceBt *self = NM_DEVICE_BT (user_data);
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (self);
gboolean connected;
NMDeviceState state;
const char *prop_str = "(unknown)";
if (G_VALUE_HOLDS_STRING (value))
prop_str = g_value_get_string (value);
else if (G_VALUE_HOLDS_BOOLEAN (value))
prop_str = g_value_get_boolean (value) ? "true" : "false";
nm_log_dbg (LOGD_BT, "(%s): bluez property '%s' changed to '%s'",
nm_device_get_iface (device),
property,
prop_str);
if (strcmp (property, "Connected"))
return;
state = nm_device_get_state (device);
connected = g_value_get_boolean (value);
if (connected) {
if (state == NM_DEVICE_STATE_CONFIG) {
nm_log_dbg (LOGD_BT, "(%s): connected to the device",
nm_device_get_iface (device));
priv->connected = TRUE;
check_connect_continue (self);
}
} else {
gboolean fail = FALSE;
/* Bluez says we're disconnected from the device. Suck. */
if (nm_device_is_activating (device)) {
nm_log_info (LOGD_BT,
"Activation (%s/bluetooth): bluetooth link disconnected.",
nm_device_get_iface (device));
fail = TRUE;
} else if (state == NM_DEVICE_STATE_ACTIVATED) {
nm_log_info (LOGD_BT, "(%s): bluetooth link disconnected.",
nm_device_get_iface (device));
fail = TRUE;
}
if (fail) {
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_CARRIER);
priv->connected = FALSE;
}
}
}
static gboolean
bt_connect_timeout (gpointer user_data)
{
NMDeviceBt *self = NM_DEVICE_BT (user_data);
nm_log_dbg (LOGD_BT, "(%s): initial connection timed out",
nm_device_get_iface (NM_DEVICE (self)));
NM_DEVICE_BT_GET_PRIVATE (self)->timeout_id = 0;
nm_device_state_changed (NM_DEVICE (self),
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_BT_FAILED);
return FALSE;
}
static NMActStageReturn
act_stage2_config (NMDevice *device, NMDeviceStateReason *reason)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device);
DBusGConnection *bus;
gboolean dun = FALSE;
NMConnection *connection;
connection = nm_device_get_connection (device);
g_assert (connection);
priv->bt_type = get_connection_bt_type (connection);
if (priv->bt_type == NM_BT_CAPABILITY_NONE) {
// FIXME: set a reason code
return NM_ACT_STAGE_RETURN_FAILURE;
}
if (priv->bt_type == NM_BT_CAPABILITY_DUN && !priv->mm_running) {
*reason = NM_DEVICE_STATE_REASON_MODEM_MANAGER_UNAVAILABLE;
return NM_ACT_STAGE_RETURN_FAILURE;
}
if (priv->bt_type == NM_BT_CAPABILITY_DUN)
dun = TRUE;
else if (priv->bt_type == NM_BT_CAPABILITY_NAP)
dun = FALSE;
else
g_assert_not_reached ();
bus = nm_dbus_manager_get_connection (priv->dbus_mgr);
priv->dev_proxy = dbus_g_proxy_new_for_name (bus,
BLUEZ_SERVICE,
nm_device_get_udi (device),
BLUEZ_DEVICE_INTERFACE);
if (!priv->dev_proxy) {
// FIXME: set a reason code
return NM_ACT_STAGE_RETURN_FAILURE;
}
/* Watch for BT device property changes */
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->dev_proxy, "PropertyChanged",
G_TYPE_STRING, G_TYPE_VALUE, G_TYPE_INVALID);
dbus_g_proxy_connect_signal (priv->dev_proxy, "PropertyChanged",
G_CALLBACK (bluez_property_changed), device, NULL);
priv->type_proxy = dbus_g_proxy_new_for_name (bus,
BLUEZ_SERVICE,
nm_device_get_udi (device),
dun ? BLUEZ_SERIAL_INTERFACE : BLUEZ_NETWORK_INTERFACE);
if (!priv->type_proxy) {
// FIXME: set a reason code
return NM_ACT_STAGE_RETURN_FAILURE;
}
nm_log_dbg (LOGD_BT, "(%s): requesting connection to the device",
nm_device_get_iface (device));
/* Connect to the BT device */
dbus_g_proxy_begin_call_with_timeout (priv->type_proxy, "Connect",
bluez_connect_cb,
device,
NULL,
20000,
G_TYPE_STRING, dun ? BLUETOOTH_DUN_UUID : BLUETOOTH_NAP_UUID,
G_TYPE_INVALID);
if (priv->timeout_id)
g_source_remove (priv->timeout_id);
priv->timeout_id = g_timeout_add_seconds (30, bt_connect_timeout, device);
return NM_ACT_STAGE_RETURN_POSTPONE;
}
static NMActStageReturn
act_stage3_ip4_config_start (NMDevice *device,
NMIP4Config **out_config,
NMDeviceStateReason *reason)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device);
NMActStageReturn ret;
if (priv->bt_type == NM_BT_CAPABILITY_DUN) {
ret = nm_modem_stage3_ip4_config_start (NM_DEVICE_BT_GET_PRIVATE (device)->modem,
device,
NM_DEVICE_CLASS (nm_device_bt_parent_class),
reason);
} else
ret = NM_DEVICE_CLASS (nm_device_bt_parent_class)->act_stage3_ip4_config_start (device, out_config, reason);
return ret;
}
static NMActStageReturn
act_stage3_ip6_config_start (NMDevice *device,
NMIP6Config **out_config,
NMDeviceStateReason *reason)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device);
NMActStageReturn ret;
if (priv->bt_type == NM_BT_CAPABILITY_DUN) {
ret = nm_modem_stage3_ip6_config_start (NM_DEVICE_BT_GET_PRIVATE (device)->modem,
device,
NM_DEVICE_CLASS (nm_device_bt_parent_class),
reason);
} else
ret = NM_DEVICE_CLASS (nm_device_bt_parent_class)->act_stage3_ip6_config_start (device, out_config, reason);
return ret;
}
static void
deactivate (NMDevice *device)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (device);
priv->have_iface = FALSE;
priv->connected = FALSE;
if (priv->bt_type == NM_BT_CAPABILITY_DUN) {
if (priv->modem) {
nm_modem_deactivate (priv->modem, device);
/* Since we're killing the Modem object before it'll get the
* state change signal, simulate the state change here.
*/
nm_modem_device_state_changed (priv->modem,
NM_DEVICE_STATE_DISCONNECTED,
NM_DEVICE_STATE_ACTIVATED,
NM_DEVICE_STATE_REASON_USER_REQUESTED);
g_object_unref (priv->modem);
priv->modem = NULL;
}
if (priv->type_proxy) {
/* Don't ever pass NULL through dbus; rfcomm_iface
* might happen to be NULL for some reason.
*/
if (priv->rfcomm_iface) {
dbus_g_proxy_call_no_reply (priv->type_proxy, "Disconnect",
G_TYPE_STRING, priv->rfcomm_iface,
G_TYPE_INVALID);
}
g_object_unref (priv->type_proxy);
priv->type_proxy = NULL;
}
} else if (priv->bt_type == NM_BT_CAPABILITY_NAP) {
if (priv->type_proxy) {
dbus_g_proxy_call_no_reply (priv->type_proxy, "Disconnect",
G_TYPE_INVALID);
g_object_unref (priv->type_proxy);
priv->type_proxy = NULL;
}
}
if (priv->dev_proxy) {
g_object_unref (priv->dev_proxy);
priv->dev_proxy = NULL;
}
if (priv->timeout_id) {
g_source_remove (priv->timeout_id);
priv->timeout_id = 0;
}
priv->bt_type = NM_BT_CAPABILITY_NONE;
g_free (priv->rfcomm_iface);
priv->rfcomm_iface = NULL;
if (NM_DEVICE_CLASS (nm_device_bt_parent_class)->deactivate)
NM_DEVICE_CLASS (nm_device_bt_parent_class)->deactivate (device);
}
/*****************************************************************************/
static gboolean
is_available (NMDevice *dev)
{
NMDeviceBt *self = NM_DEVICE_BT (dev);
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (self);
/* PAN doesn't need ModemManager, so devices that support it are always available */
if (priv->capabilities & NM_BT_CAPABILITY_NAP)
return TRUE;
/* DUN requires ModemManager */
return priv->mm_running;
}
static void
handle_availability_change (NMDeviceBt *self,
gboolean old_available,
NMDeviceStateReason unavailable_reason)
{
NMDevice *device = NM_DEVICE (self);
NMDeviceState state;
gboolean available;
state = nm_device_get_state (device);
if (state < NM_DEVICE_STATE_UNAVAILABLE) {
nm_log_dbg (LOGD_BT, "(%s): availability blocked by UNMANAGED state",
nm_device_get_iface (device));
return;
}
available = nm_device_is_available (device);
if (available == old_available)
return;
if (available) {
if (state != NM_DEVICE_STATE_UNAVAILABLE)
nm_log_warn (LOGD_CORE | LOGD_BT, "not in expected unavailable state!");
nm_device_state_changed (device,
NM_DEVICE_STATE_DISCONNECTED,
NM_DEVICE_STATE_REASON_NONE);
} else {
nm_device_state_changed (device,
NM_DEVICE_STATE_UNAVAILABLE,
unavailable_reason);
}
}
static void
set_mm_running (NMDeviceBt *self, gboolean running)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (self);
gboolean old_available;
if (priv->mm_running == running)
return;
nm_log_dbg (LOGD_BT, "(%s): ModemManager now %s",
nm_device_get_iface (NM_DEVICE (self)),
running ? "available" : "unavailable");
old_available = nm_device_is_available (NM_DEVICE (self));
priv->mm_running = running;
handle_availability_change (self, old_available, NM_DEVICE_STATE_REASON_MODEM_MANAGER_UNAVAILABLE);
/* Need to recheck available connections whenever MM appears or disappears,
* since the device could be both DUN and NAP capable and thus may not
* change state (which rechecks available connections) when MM comes and goes.
*/
if (priv->capabilities & NM_BT_CAPABILITY_DUN)
nm_device_recheck_available_connections (NM_DEVICE (self));
}
static void
mm_name_owner_changed (NMDBusManager *dbus_mgr,
const char *name,
const char *old_owner,
const char *new_owner,
NMDeviceBt *self)
{
gboolean old_owner_good;
gboolean new_owner_good;
/* Can't handle the signal if its not from the modem service */
if (strcmp (MM_OLD_DBUS_SERVICE, name) != 0)
return;
#if WITH_MODEM_MANAGER_1
if (strcmp (MM_NEW_DBUS_SERVICE, name) != 0)
return;
#endif
old_owner_good = (old_owner && strlen (old_owner));
new_owner_good = (new_owner && strlen (new_owner));
if (!old_owner_good && new_owner_good)
set_mm_running (self, TRUE);
else if (old_owner_good && !new_owner_good)
set_mm_running (self, FALSE);
}
/*****************************************************************************/
NMDevice *
nm_device_bt_new (const char *udi,
const char *bdaddr,
const char *name,
guint32 capabilities,
gboolean managed)
{
g_return_val_if_fail (udi != NULL, NULL);
g_return_val_if_fail (bdaddr != NULL, NULL);
g_return_val_if_fail (name != NULL, NULL);
g_return_val_if_fail (capabilities != NM_BT_CAPABILITY_NONE, NULL);
return (NMDevice *) g_object_new (NM_TYPE_DEVICE_BT,
NM_DEVICE_UDI, udi,
NM_DEVICE_IFACE, bdaddr,
NM_DEVICE_DRIVER, "bluez",
NM_DEVICE_BT_HW_ADDRESS, bdaddr,
NM_DEVICE_BT_NAME, name,
NM_DEVICE_BT_CAPABILITIES, capabilities,
NM_DEVICE_MANAGED, managed,
NM_DEVICE_TYPE_DESC, "Bluetooth",
NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_BT,
NULL);
}
static void
nm_device_bt_init (NMDeviceBt *self)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (self);
gboolean mm_running;
priv->dbus_mgr = nm_dbus_manager_get ();
priv->mm_watch_id = g_signal_connect (priv->dbus_mgr,
NM_DBUS_MANAGER_NAME_OWNER_CHANGED,
G_CALLBACK (mm_name_owner_changed),
self);
/* Initial check to see if ModemManager is running */
mm_running = nm_dbus_manager_name_has_owner (priv->dbus_mgr, MM_OLD_DBUS_SERVICE);
#if WITH_MODEM_MANAGER_1
if (!mm_running)
mm_running = nm_dbus_manager_name_has_owner (priv->dbus_mgr, MM_NEW_DBUS_SERVICE);
#endif
set_mm_running (self, mm_running);
}
static void
set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (object);
switch (prop_id) {
case PROP_HW_ADDRESS:
/* Construct only */
priv->bdaddr = g_ascii_strup (g_value_get_string (value), -1);
if (!nm_utils_hwaddr_aton (priv->bdaddr, ARPHRD_ETHER, &priv->hw_addr))
nm_log_err (LOGD_HW, "Failed to convert BT address '%s'", priv->bdaddr);
break;
case PROP_BT_NAME:
/* Construct only */
priv->name = g_value_dup_string (value);
break;
case PROP_BT_CAPABILITIES:
/* Construct only */
priv->capabilities = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (object);
switch (prop_id) {
case PROP_HW_ADDRESS:
g_value_set_string (value, priv->bdaddr);
break;
case PROP_BT_NAME:
g_value_set_string (value, priv->name);
break;
case PROP_BT_CAPABILITIES:
g_value_set_uint (value, priv->capabilities);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
dispose (GObject *object)
{
NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE (object);
if (priv->timeout_id) {
g_source_remove (priv->timeout_id);
priv->timeout_id = 0;
}
if (priv->dbus_mgr && priv->mm_watch_id) {
g_signal_handler_disconnect (priv->dbus_mgr, priv->mm_watch_id);
priv->mm_watch_id = 0;
}
g_clear_object (&priv->dbus_mgr);
g_clear_object (&priv->type_proxy);
g_clear_object (&priv->dev_proxy);
g_clear_object (&priv->modem);
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->rfcomm_iface);
g_free (priv->bdaddr);
g_free (priv->name);
G_OBJECT_CLASS (nm_device_bt_parent_class)->finalize (object);
}
static void
nm_device_bt_class_init (NMDeviceBtClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
NMDeviceClass *device_class = NM_DEVICE_CLASS (klass);
g_type_class_add_private (object_class, sizeof (NMDeviceBtPrivate));
object_class->get_property = get_property;
object_class->set_property = set_property;
object_class->dispose = dispose;
object_class->finalize = finalize;
device_class->get_best_auto_connection = get_best_auto_connection;
device_class->get_generic_capabilities = get_generic_capabilities;
device_class->deactivate = deactivate;
device_class->act_stage2_config = act_stage2_config;
device_class->act_stage3_ip4_config_start = act_stage3_ip4_config_start;
device_class->act_stage3_ip6_config_start = act_stage3_ip6_config_start;
device_class->check_connection_compatible = check_connection_compatible;
device_class->check_connection_available = check_connection_available;
device_class->complete_connection = complete_connection;
device_class->hwaddr_matches = hwaddr_matches;
device_class->get_hw_address = get_hw_address;
device_class->is_available = is_available;
device_class->state_changed = device_state_changed;
/* Properties */
g_object_class_install_property
(object_class, PROP_HW_ADDRESS,
g_param_spec_string (NM_DEVICE_BT_HW_ADDRESS,
"Bluetooth address",
"Bluetooth address",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class, PROP_BT_NAME,
g_param_spec_string (NM_DEVICE_BT_NAME,
"Bluetooth device name",
"Bluetooth device name",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class, PROP_BT_CAPABILITIES,
g_param_spec_uint (NM_DEVICE_BT_CAPABILITIES,
"Bluetooth device capabilities",
"Bluetooth device capabilities",
NM_BT_CAPABILITY_NONE, G_MAXUINT, NM_BT_CAPABILITY_NONE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
/* Signals */
signals[PPP_STATS] =
g_signal_new ("ppp-stats",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (NMDeviceBtClass, ppp_stats),
NULL, NULL,
_nm_marshal_VOID__UINT_UINT,
G_TYPE_NONE, 2,
G_TYPE_UINT, G_TYPE_UINT);
signals[PROPERTIES_CHANGED] =
nm_properties_changed_signal_new (object_class,
G_STRUCT_OFFSET (NMDeviceBtClass, properties_changed));
dbus_g_object_type_install_info (G_TYPE_FROM_CLASS (klass),
&dbus_glib_nm_device_bt_object_info);
dbus_g_error_domain_register (NM_BT_ERROR, NULL, NM_TYPE_BT_ERROR);
}
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