/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2009 - 2011 Red Hat, Inc. */ #include "src/core/nm-default-daemon.h" #include "nm-device-bt.h" #include #include #include "libnm-core-aux-intern/nm-libnm-core-utils.h" #include "libnm-core-intern/nm-core-internal.h" #include "nm-bluez-common.h" #include "nm-bluez-manager.h" #include "devices/nm-device-private.h" #include "ppp/nm-ppp-manager.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 "NetworkManagerUtils.h" #include "settings/nm-settings-connection.h" #include "nm-utils.h" #include "nm-bt-error.h" #include "libnm-platform/nm-platform.h" #include "devices/wwan/nm-modem-manager.h" #include "devices/wwan/nm-modem.h" #define _NMLOG_DEVICE_TYPE NMDeviceBt #include "devices/nm-device-logging.h" /*****************************************************************************/ NM_GOBJECT_PROPERTIES_DEFINE(NMDeviceBt, PROP_BT_BDADDR, PROP_BT_BZ_MGR, PROP_BT_CAPABILITIES, PROP_BT_DBUS_PATH, PROP_BT_NAME, ); enum { PPP_STATS, LAST_SIGNAL, }; static guint signals[LAST_SIGNAL] = {0}; typedef struct { NMModemManager *modem_manager; NMBluezManager *bz_mgr; char *dbus_path; char *bdaddr; char *name; char *connect_rfcomm_iface; GSList *connect_modem_candidates; NMModem *modem; GCancellable *connect_bz_cancellable; gulong connect_watch_link_id; guint connect_watch_link_idle_id; guint connect_wait_modem_id; NMBluetoothCapabilities capabilities : 6; NMBluetoothCapabilities connect_bt_type : 6; /* BT type of the current connection */ NMDeviceStageState stage1_bt_state : 3; NMDeviceStageState stage1_modem_prepare_state : 3; bool is_connected : 1; bool mm_running : 1; } NMDeviceBtPrivate; struct _NMDeviceBt { NMDevice parent; NMDeviceBtPrivate _priv; }; struct _NMDeviceBtClass { NMDeviceClass parent; }; G_DEFINE_TYPE(NMDeviceBt, nm_device_bt, NM_TYPE_DEVICE) #define NM_DEVICE_BT_GET_PRIVATE(self) _NM_GET_PRIVATE(self, NMDeviceBt, NM_IS_DEVICE_BT, NMDevice) /*****************************************************************************/ NMBluetoothCapabilities nm_device_bt_get_capabilities(NMDeviceBt *self) { g_return_val_if_fail(NM_IS_DEVICE_BT(self), NM_BT_CAPABILITY_NONE); return NM_DEVICE_BT_GET_PRIVATE(self)->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) { bt_type = nm_setting_bluetooth_get_connection_type(s_bt); if (bt_type) { if (nm_streq(bt_type, NM_SETTING_BLUETOOTH_TYPE_DUN)) return NM_BT_CAPABILITY_DUN; else if (nm_streq(bt_type, NM_SETTING_BLUETOOTH_TYPE_PANU)) return NM_BT_CAPABILITY_NAP; } } return NM_BT_CAPABILITY_NONE; } static gboolean get_connection_bt_type_check(NMDeviceBt *self, NMConnection *connection, NMBluetoothCapabilities *out_bt_type, GError **error) { NMBluetoothCapabilities bt_type; bt_type = get_connection_bt_type(connection); NM_SET_OUT(out_bt_type, bt_type); if (bt_type == NM_BT_CAPABILITY_NONE) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "profile is not a PANU/DUN bluetooth type"); return FALSE; } if (!NM_FLAGS_ALL(NM_DEVICE_BT_GET_PRIVATE(self)->capabilities, bt_type)) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "device does not support bluetooth type"); return FALSE; } return TRUE; } static NMDeviceCapabilities get_generic_capabilities(NMDevice *device) { return NM_DEVICE_CAP_IS_NON_KERNEL; } static gboolean can_auto_connect(NMDevice *device, NMSettingsConnection *sett_conn, char **specific_object) { NMDeviceBt *self = NM_DEVICE_BT(device); NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); NMBluetoothCapabilities bt_type; nm_assert(!specific_object || !*specific_object); if (!NM_DEVICE_CLASS(nm_device_bt_parent_class)->can_auto_connect(device, sett_conn, NULL)) return FALSE; if (!get_connection_bt_type_check(self, nm_settings_connection_get_connection(sett_conn), &bt_type, NULL)) return FALSE; /* Can't auto-activate a DUN connection without ModemManager */ if (bt_type == NM_BT_CAPABILITY_DUN && priv->mm_running == FALSE) return FALSE; return TRUE; } static gboolean check_connection_compatible(NMDevice *device, NMConnection *connection, GError **error) { NMDeviceBt *self = NM_DEVICE_BT(device); NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); NMSettingBluetooth *s_bt; const char *bdaddr; if (!NM_DEVICE_CLASS(nm_device_bt_parent_class) ->check_connection_compatible(device, connection, error)) return FALSE; if (!get_connection_bt_type_check(self, connection, NULL, error)) return FALSE; s_bt = nm_connection_get_setting_bluetooth(connection); bdaddr = nm_setting_bluetooth_get_bdaddr(s_bt); if (!bdaddr) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "profile lacks bdaddr setting"); return FALSE; } if (!nm_utils_hwaddr_matches(priv->bdaddr, -1, bdaddr, -1)) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "devices bdaddr setting mismatches"); return FALSE; } return TRUE; } static gboolean check_connection_available(NMDevice *device, NMConnection *connection, NMDeviceCheckConAvailableFlags flags, const char *specific_object, GError **error) { NMDeviceBt *self = NM_DEVICE_BT(device); NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); NMBluetoothCapabilities bt_type; if (!get_connection_bt_type_check(self, connection, &bt_type, error)) return FALSE; if (bt_type == NM_BT_CAPABILITY_DUN && !priv->mm_running) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "ModemManager missing for DUN profile"); return FALSE; } return TRUE; } static gboolean complete_connection(NMDevice *device, NMConnection *connection, const char *specific_object, NMConnection *const *existing_connections, GError **error) { NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(device); NMSettingBluetooth *s_bt; const char *setting_bdaddr; const char *ctype; gboolean is_dun = FALSE; gboolean is_pan = FALSE; NMSettingGsm *s_gsm; NMSettingCdma *s_cdma; NMSettingSerial *s_serial; NMSettingPpp *s_ppp; const char *fallback_prefix = 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_ensure_setting(connection, NM_TYPE_SETTING_BLUETOOTH); 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_CONNECTION_ERROR, NM_CONNECTION_ERROR_INVALID_PROPERTY, _("PAN requested, but Bluetooth device does not support NAP")); g_prefix_error(error, "%s.%s: ", NM_SETTING_BLUETOOTH_SETTING_NAME, NM_SETTING_BLUETOOTH_TYPE); 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_CONNECTION_ERROR, NM_CONNECTION_ERROR_INVALID_SETTING, _("PAN connections cannot specify GSM, CDMA, or serial settings")); g_prefix_error(error, "%s: ", s_gsm ? NM_SETTING_GSM_SETTING_NAME : s_cdma ? NM_SETTING_CDMA_SETTING_NAME : s_serial ? NM_SETTING_SERIAL_SETTING_NAME : NM_SETTING_PPP_SETTING_NAME); return FALSE; } g_object_set(G_OBJECT(s_bt), NM_SETTING_BLUETOOTH_TYPE, NM_SETTING_BLUETOOTH_TYPE_PANU, NULL); fallback_prefix = _("PAN connection"); } else if (is_dun) { /* Make sure the device supports PAN */ if (!(priv->capabilities & NM_BT_CAPABILITY_DUN)) { g_set_error_literal(error, NM_CONNECTION_ERROR, NM_CONNECTION_ERROR_INVALID_PROPERTY, _("DUN requested, but Bluetooth device does not support DUN")); g_prefix_error(error, "%s.%s: ", NM_SETTING_BLUETOOTH_SETTING_NAME, NM_SETTING_BLUETOOTH_TYPE); return FALSE; } /* Need at least a GSM or a CDMA setting */ if (!s_gsm && !s_cdma) { g_set_error_literal(error, NM_CONNECTION_ERROR, NM_CONNECTION_ERROR_INVALID_SETTING, _("DUN connection must include a GSM or CDMA setting")); g_prefix_error(error, "%s: ", NM_SETTING_BLUETOOTH_SETTING_NAME); return FALSE; } g_object_set(G_OBJECT(s_bt), NM_SETTING_BLUETOOTH_TYPE, NM_SETTING_BLUETOOTH_TYPE_DUN, NULL); if (s_gsm) { fallback_prefix = _("GSM connection"); } else { fallback_prefix = _("CDMA connection"); if (!nm_setting_cdma_get_number(s_cdma)) g_object_set(G_OBJECT(s_cdma), NM_SETTING_CDMA_NUMBER, "#777", NULL); } } else { g_set_error_literal(error, NM_CONNECTION_ERROR, NM_CONNECTION_ERROR_INVALID_PROPERTY, _("Unknown/unhandled Bluetooth connection type")); g_prefix_error(error, "%s.%s: ", NM_SETTING_BLUETOOTH_SETTING_NAME, NM_SETTING_BLUETOOTH_TYPE); return FALSE; } nm_utils_complete_generic(nm_device_get_platform(device), connection, NM_SETTING_BLUETOOTH_SETTING_NAME, existing_connections, preferred, fallback_prefix, NULL, NULL, 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 (!nm_utils_hwaddr_matches(setting_bdaddr, -1, priv->bdaddr, -1)) { g_set_error_literal(error, NM_CONNECTION_ERROR, NM_CONNECTION_ERROR_INVALID_PROPERTY, _("connection does not match device")); g_prefix_error(error, "%s.%s: ", NM_SETTING_BLUETOOTH_SETTING_NAME, NM_SETTING_BLUETOOTH_BDADDR); return FALSE; } } else { /* Lock the connection to this device by default */ if (!nm_utils_hwaddr_matches(priv->bdaddr, -1, NULL, ETH_ALEN)) g_object_set(G_OBJECT(s_bt), NM_SETTING_BLUETOOTH_BDADDR, priv->bdaddr, NULL); } return TRUE; } /*****************************************************************************/ /* IP method PPP */ static void ppp_stats(NMModem *modem, guint i_in_bytes, guint i_out_bytes, gpointer user_data) { guint32 in_bytes = i_in_bytes; guint32 out_bytes = i_out_bytes; g_signal_emit(NM_DEVICE_BT(user_data), signals[PPP_STATS], 0, (guint) in_bytes, (guint) out_bytes); } static void ppp_failed(NMModem *modem, guint i_reason, gpointer user_data) { NMDevice *device = NM_DEVICE(user_data); NMDeviceStateReason reason = i_reason; nm_device_state_changed(device, NM_DEVICE_STATE_FAILED, reason); } static void modem_auth_requested(NMModem *modem, gpointer user_data) { NMDevice *device = NM_DEVICE(user_data); /* Auth requests (PIN, PAP/CHAP passwords, etc) only get handled * during activation. */ if (!nm_device_is_activating(device)) return; nm_device_state_changed(device, 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); g_return_if_fail(nm_device_get_state(device) == NM_DEVICE_STATE_NEED_AUTH); if (error) { nm_device_state_changed(device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_NO_SECRETS); return; } priv->stage1_modem_prepare_state = NM_DEVICE_STAGE_STATE_INIT; nm_device_activate_schedule_stage1_device_prepare(device, FALSE); } static void modem_prepare_result(NMModem *modem, gboolean success, guint i_reason, gpointer user_data) { NMDeviceBt *self = user_data; NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); NMDeviceStateReason reason = i_reason; NMDeviceState state; state = nm_device_get_state(NM_DEVICE(self)); g_return_if_fail(NM_IN_SET(state, NM_DEVICE_STATE_PREPARE, NM_DEVICE_STATE_NEED_AUTH)); nm_assert(priv->stage1_modem_prepare_state == NM_DEVICE_STAGE_STATE_PENDING); if (!success) { if (nm_device_state_reason_check(reason) == NM_DEVICE_STATE_REASON_SIM_PIN_INCORRECT) { /* If the connect failed because the SIM PIN was wrong don't allow * the device to be auto-activated anymore, which would risk locking * the SIM if the incorrect PIN continues to be used. */ nm_device_autoconnect_blocked_set(NM_DEVICE(self), NM_DEVICE_AUTOCONNECT_BLOCKED_WRONG_PIN); } nm_device_state_changed(NM_DEVICE(self), NM_DEVICE_STATE_FAILED, reason); return; } priv->stage1_modem_prepare_state = NM_DEVICE_STAGE_STATE_COMPLETED; nm_device_activate_schedule_stage1_device_prepare(NM_DEVICE(self), FALSE); } 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); /* 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->mm_running && NM_FLAGS_HAS(priv->capabilities, NM_BT_CAPABILITY_DUN)) nm_device_recheck_available_connections(device); } static void modem_new_config(NMModem *modem, int addr_family, const NML3ConfigData *l3cd, gboolean do_auto, const NMUtilsIPv6IfaceId *iid, int failure_reason_i, GError *error, gpointer user_data) { const int IS_IPv4 = NM_IS_IPv4(addr_family); NMDeviceBt *self = NM_DEVICE_BT(user_data); NMDevice *device = NM_DEVICE(self); g_return_if_fail(nm_device_devip_get_state(device, addr_family) == NM_DEVICE_IP_STATE_PENDING); if (error) { _LOGW(LOGD_MB | LOGD_IP4, "retrieving IP configuration failed: %s", error->message); nm_device_devip_set_failed(device, addr_family, failure_reason_i); return; } if (do_auto) { if (IS_IPv4) nm_device_ip_method_dhcp4_start(device); else nm_device_ip_method_autoconf6_start(device); } nm_device_devip_set_state(device, addr_family, NM_DEVICE_IP_STATE_READY, l3cd); } static void ip_ifindex_changed_cb(NMModem *modem, GParamSpec *pspec, gpointer user_data) { NMDevice *device = NM_DEVICE(user_data); if (!nm_device_is_activating(device)) return; if (!nm_device_set_ip_ifindex(device, nm_modem_get_ip_ifindex(modem))) { nm_device_state_changed(device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE); } } /*****************************************************************************/ static void modem_cleanup(NMDeviceBt *self) { NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); if (priv->modem) { g_signal_handlers_disconnect_matched(priv->modem, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, self); nm_clear_pointer(&priv->modem, nm_modem_unclaim); } } static void modem_state_cb(NMModem *modem, int new_state_i, int old_state_i, gpointer user_data) { NMModemState new_state = new_state_i; NMModemState old_state = old_state_i; NMDevice *device = NM_DEVICE(user_data); NMDeviceState dev_state = nm_device_get_state(device); if (new_state <= NM_MODEM_STATE_DISABLING && old_state > NM_MODEM_STATE_DISABLING) { /* Will be called whenever something external to NM disables the * modem directly through ModemManager. */ if (nm_device_is_activating(device) || dev_state == NM_DEVICE_STATE_ACTIVATED) { nm_device_state_changed(device, NM_DEVICE_STATE_DISCONNECTED, NM_DEVICE_STATE_REASON_USER_REQUESTED); return; } } if (new_state < NM_MODEM_STATE_CONNECTING && old_state >= NM_MODEM_STATE_CONNECTING && dev_state >= NM_DEVICE_STATE_NEED_AUTH && dev_state <= NM_DEVICE_STATE_ACTIVATED) { /* Fail the device if the modem disconnects unexpectedly while the * device is activating/activated. */ nm_device_state_changed(device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_MODEM_NO_CARRIER); return; } } static void modem_removed_cb(NMModem *modem, gpointer user_data) { NMDeviceBt *self = NM_DEVICE_BT(user_data); NMDeviceState state; state = nm_device_get_state(NM_DEVICE(self)); if (nm_device_is_activating(NM_DEVICE(self)) || state == NM_DEVICE_STATE_ACTIVATED) { nm_device_state_changed(NM_DEVICE(self), NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_BT_FAILED); return; } modem_cleanup(self); } static gboolean modem_try_claim(NMDeviceBt *self, NMModem *modem) { NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); gs_free char *rfcomm_base_name = NULL; NMDeviceState state; if (priv->modem) { if (priv->modem == modem) return TRUE; return FALSE; } if (nm_modem_is_claimed(modem)) return FALSE; if (!priv->connect_rfcomm_iface) return FALSE; rfcomm_base_name = g_path_get_basename(priv->connect_rfcomm_iface); if (!nm_streq0(rfcomm_base_name, nm_modem_get_control_port(modem))) return FALSE; /* Can only accept the modem in stage1, 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_PREPARE) { _LOGD(LOGD_BT | LOGD_MB, "modem found but device not in correct state (%d)", nm_device_get_state(NM_DEVICE(self))); return FALSE; } priv->modem = nm_modem_claim(modem); priv->stage1_modem_prepare_state = NM_DEVICE_STAGE_STATE_INIT; 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_NEW_CONFIG, G_CALLBACK(modem_new_config), 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); g_signal_connect(modem, NM_MODEM_STATE_CHANGED, G_CALLBACK(modem_state_cb), self); g_signal_connect(modem, NM_MODEM_REMOVED, G_CALLBACK(modem_removed_cb), self); g_signal_connect(modem, "notify::" NM_MODEM_IP_IFINDEX, G_CALLBACK(ip_ifindex_changed_cb), self); _LOGD(LOGD_BT | LOGD_MB, "modem found"); return TRUE; } static void mm_modem_added_cb(NMModemManager *manager, NMModem *modem, gpointer user_data) { NMDeviceBt *self = user_data; NMDeviceBtPrivate *priv; if (!modem_try_claim(user_data, modem)) return; priv = NM_DEVICE_BT_GET_PRIVATE(self); if (priv->stage1_bt_state == NM_DEVICE_STAGE_STATE_COMPLETED) nm_device_activate_schedule_stage1_device_prepare(NM_DEVICE(self), FALSE); } /*****************************************************************************/ void _nm_device_bt_notify_set_connected(NMDeviceBt *self, gboolean connected) { NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); connected = !!connected; if (priv->is_connected == connected) return; priv->is_connected = connected; if (connected || priv->stage1_bt_state != NM_DEVICE_STAGE_STATE_COMPLETED || nm_device_get_state(NM_DEVICE(self)) > NM_DEVICE_STATE_ACTIVATED) { _LOGT(LOGD_BT, "set-connected: %d", connected); return; } _LOGT(LOGD_BT, "set-connected: %d (disconnecting device...)", connected); nm_device_state_changed(NM_DEVICE(self), NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_CARRIER); } static gboolean connect_watch_link_idle_cb(gpointer user_data) { NMDeviceBt *self = user_data; NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); int ifindex; priv->connect_watch_link_idle_id = 0; if (nm_device_get_state(NM_DEVICE(self)) <= NM_DEVICE_STATE_ACTIVATED) { ifindex = nm_device_get_ip_ifindex(NM_DEVICE(self)); if (ifindex > 0 && !nm_platform_link_get(nm_device_get_platform(NM_DEVICE(self)), ifindex)) { _LOGT(LOGD_BT, "device disappeared"); nm_device_state_changed(NM_DEVICE(self), NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_BT_FAILED); } } return G_SOURCE_REMOVE; } static void connect_watch_link_cb(NMPlatform *platform, int obj_type_i, int ifindex, NMPlatformLink *info, int change_type_i, NMDevice *self) { const NMPlatformSignalChangeType change_type = change_type_i; NMDeviceBtPrivate *priv; /* bluez doesn't notify us when the connection disconnects. * Neither does NMManager (or NMDevice) tell us when the ip-ifindex goes away. * This is horrible, and should be improved. For now, watch the link ourself... */ if (NM_IN_SET(change_type, NM_PLATFORM_SIGNAL_CHANGED, NM_PLATFORM_SIGNAL_REMOVED)) { priv = NM_DEVICE_BT_GET_PRIVATE(self); if (priv->connect_watch_link_idle_id == 0) priv->connect_watch_link_idle_id = g_idle_add(connect_watch_link_idle_cb, self); } } static gboolean connect_wait_modem_timeout(gpointer user_data) { NMDeviceBt *self = NM_DEVICE_BT(user_data); NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); /* since this timeout is longer than the connect timeout, we must have already * hit the connect-timeout first or being connected. */ nm_assert(priv->stage1_bt_state == NM_DEVICE_STAGE_STATE_COMPLETED); priv->connect_wait_modem_id = 0; nm_clear_g_cancellable(&priv->connect_bz_cancellable); if (priv->modem) _LOGD(LOGD_BT, "timeout connecting modem for DUN connection"); else _LOGD(LOGD_BT, "timeout finding modem for DUN connection"); nm_device_state_changed(NM_DEVICE(self), NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_MODEM_NOT_FOUND); return G_SOURCE_REMOVE; } static void connect_bz_cb(NMBluezManager *bz_mgr, gboolean is_complete, const char *device_name, GError *error, gpointer user_data) { NMDeviceBt *self; NMDeviceBtPrivate *priv; char sbuf[100]; if (nm_utils_error_is_cancelled(error)) return; self = user_data; priv = NM_DEVICE_BT_GET_PRIVATE(self); nm_assert(nm_device_is_activating(NM_DEVICE(self))); nm_assert(NM_IN_SET((NMBluetoothCapabilities) priv->connect_bt_type, NM_BT_CAPABILITY_DUN, NM_BT_CAPABILITY_NAP)); if (!is_complete) { nm_assert(priv->connect_bt_type == NM_BT_CAPABILITY_DUN); nm_assert(device_name); nm_assert(!error); if (!nm_streq0(priv->connect_rfcomm_iface, device_name)) { nm_assert(!priv->connect_rfcomm_iface); _LOGD(LOGD_BT, "DUN is still connecting but got serial port \"%s\" to claim modem", device_name); g_free(priv->connect_rfcomm_iface); priv->connect_rfcomm_iface = g_strdup(device_name); } return; } g_clear_object(&priv->connect_bz_cancellable); if (!device_name) { _LOGW(LOGD_BT, "%s connect request failed: %s", nm_bluetooth_capability_to_string(priv->connect_bt_type, sbuf, sizeof(sbuf)), error->message); nm_device_state_changed(NM_DEVICE(self), NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_BT_FAILED); return; } _LOGD(LOGD_BT, "%s connect request successful (%s)", nm_bluetooth_capability_to_string(priv->connect_bt_type, sbuf, sizeof(sbuf)), device_name); if (priv->connect_bt_type == NM_BT_CAPABILITY_DUN) { if (!nm_streq0(priv->connect_rfcomm_iface, device_name)) { nm_assert_not_reached(); g_free(priv->connect_rfcomm_iface); priv->connect_rfcomm_iface = g_strdup(device_name); } } else { nm_assert(priv->connect_bt_type == NM_BT_CAPABILITY_NAP); if (!nm_device_set_ip_iface(NM_DEVICE(self), device_name)) { _LOGW(LOGD_BT, "Error connecting with bluez: cannot find device %s", device_name); nm_device_state_changed(NM_DEVICE(self), NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_BT_FAILED); return; } priv->connect_watch_link_id = g_signal_connect(nm_device_get_platform(NM_DEVICE(self)), NM_PLATFORM_SIGNAL_LINK_CHANGED, G_CALLBACK(connect_watch_link_cb), self); } if (!priv->is_connected) { /* we got the callback from NMBluezManager with success. We actually should be * connected and this line shouldn't be reached. */ nm_assert_not_reached(); _LOGE(LOGD_BT, "bluetooth is unexpectedly not in connected state"); nm_device_state_changed(NM_DEVICE(self), NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_BT_FAILED); return; } priv->stage1_bt_state = NM_DEVICE_STAGE_STATE_COMPLETED; nm_device_activate_schedule_stage1_device_prepare(NM_DEVICE(self), FALSE); } static NMActStageReturn act_stage1_prepare(NMDevice *device, NMDeviceStateReason *out_failure_reason) { NMDeviceBt *self = NM_DEVICE_BT(device); NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); gs_free_error GError *error = NULL; NMConnection *connection; connection = nm_device_get_applied_connection(device); g_return_val_if_fail(connection, NM_ACT_STAGE_RETURN_FAILURE); priv->connect_bt_type = get_connection_bt_type(connection); if (priv->connect_bt_type == NM_BT_CAPABILITY_NONE) { NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_BT_FAILED); return NM_ACT_STAGE_RETURN_FAILURE; } if (priv->connect_bt_type == NM_BT_CAPABILITY_DUN && !priv->mm_running) { NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_MODEM_MANAGER_UNAVAILABLE); return NM_ACT_STAGE_RETURN_FAILURE; } if (priv->stage1_bt_state == NM_DEVICE_STAGE_STATE_PENDING) return NM_ACT_STAGE_RETURN_POSTPONE; else if (priv->stage1_bt_state == NM_DEVICE_STAGE_STATE_INIT) { gs_unref_object GCancellable *cancellable = NULL; char sbuf[100]; _LOGD(LOGD_BT, "connecting to %s bluetooth device", nm_bluetooth_capability_to_string(priv->connect_bt_type, sbuf, sizeof(sbuf))); cancellable = g_cancellable_new(); if (!nm_bluez_manager_connect(priv->bz_mgr, priv->dbus_path, priv->connect_bt_type, 30000, cancellable, connect_bz_cb, self, &error)) { _LOGD(LOGD_BT, "cannot connect to bluetooth device: %s", error->message); *out_failure_reason = NM_DEVICE_STATE_REASON_BT_FAILED; return NM_ACT_STAGE_RETURN_FAILURE; } priv->connect_bz_cancellable = g_steal_pointer(&cancellable); priv->stage1_bt_state = NM_DEVICE_STAGE_STATE_PENDING; return NM_ACT_STAGE_RETURN_POSTPONE; } if (priv->connect_bt_type == NM_BT_CAPABILITY_DUN) { if (!priv->modem) { gs_free NMModem **modems = NULL; guint i, n; if (priv->connect_wait_modem_id == 0) priv->connect_wait_modem_id = g_timeout_add_seconds(30, connect_wait_modem_timeout, self); modems = nm_modem_manager_get_modems(priv->modem_manager, &n); for (i = 0; i < n; i++) { if (modem_try_claim(self, modems[i])) break; } if (!priv->modem) return NM_ACT_STAGE_RETURN_POSTPONE; } if (priv->stage1_modem_prepare_state == NM_DEVICE_STAGE_STATE_PENDING) return NM_ACT_STAGE_RETURN_POSTPONE; if (priv->stage1_modem_prepare_state == NM_DEVICE_STAGE_STATE_INIT) { priv->stage1_modem_prepare_state = NM_DEVICE_STAGE_STATE_PENDING; return nm_modem_act_stage1_prepare(priv->modem, nm_device_get_act_request(NM_DEVICE(self)), out_failure_reason); } } return NM_ACT_STAGE_RETURN_SUCCESS; } static NMActStageReturn act_stage2_config(NMDevice *device, NMDeviceStateReason *out_failure_reason) { NMDeviceBt *self = NM_DEVICE_BT(device); NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); if (priv->connect_bt_type != NM_BT_CAPABILITY_DUN) return NM_ACT_STAGE_RETURN_SUCCESS; return nm_modem_act_stage2_config(priv->modem, device, out_failure_reason); } static void act_stage3_ip_config(NMDevice *device, int addr_family) { NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(device); if (priv->connect_bt_type != NM_BT_CAPABILITY_DUN) return; if (nm_modem_stage3_ip_config_start(priv->modem, addr_family, device)) nm_device_devip_set_state(device, addr_family, NM_DEVICE_IP_STATE_PENDING, NULL); } static void deactivate(NMDevice *device) { NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(device); nm_clear_g_signal_handler(nm_device_get_platform(device), &priv->connect_watch_link_id); nm_clear_g_source(&priv->connect_watch_link_idle_id); priv->stage1_bt_state = NM_DEVICE_STAGE_STATE_INIT; nm_clear_g_source(&priv->connect_wait_modem_id); nm_clear_g_cancellable(&priv->connect_bz_cancellable); priv->stage1_bt_state = NM_DEVICE_STAGE_STATE_INIT; if (priv->connect_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); modem_cleanup(NM_DEVICE_BT(device)); } } if (priv->connect_bt_type != NM_BT_CAPABILITY_NONE) { priv->connect_bt_type = NM_BT_CAPABILITY_NONE; nm_bluez_manager_disconnect(priv->bz_mgr, priv->dbus_path); } nm_clear_g_free(&priv->connect_rfcomm_iface); if (NM_DEVICE_CLASS(nm_device_bt_parent_class)->deactivate) NM_DEVICE_CLASS(nm_device_bt_parent_class)->deactivate(device); } void _nm_device_bt_notify_removed(NMDeviceBt *self) { g_signal_emit_by_name(self, NM_DEVICE_REMOVED); } /*****************************************************************************/ gboolean _nm_device_bt_for_same_device(NMDeviceBt *self, const char *dbus_path, const char *bdaddr, const char *name, NMBluetoothCapabilities capabilities) { NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); return nm_streq(priv->dbus_path, dbus_path) && nm_streq(priv->bdaddr, bdaddr) && capabilities == priv->capabilities && (!name || nm_streq(priv->name, name)); } void _nm_device_bt_notify_set_name(NMDeviceBt *self, const char *name) { NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); nm_assert(name); if (!nm_streq(priv->name, name)) { _LOGT(LOGD_BT, "set-name: %s", name); g_free(priv->name); priv->name = g_strdup(name); _notify(self, PROP_BT_NAME); } } /*****************************************************************************/ static gboolean is_available(NMDevice *dev, NMDeviceCheckDevAvailableFlags flags) { 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 set_mm_running(NMDeviceBt *self) { NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); gboolean running; running = (nm_modem_manager_name_owner_get(priv->modem_manager) != NULL); if (priv->mm_running != running) { _LOGD(LOGD_BT, "ModemManager now %s", running ? "available" : "unavailable"); priv->mm_running = running; nm_device_queue_recheck_available(NM_DEVICE(self), NM_DEVICE_STATE_REASON_NONE, NM_DEVICE_STATE_REASON_MODEM_MANAGER_UNAVAILABLE); } } static void mm_name_owner_changed_cb(GObject *object, GParamSpec *pspec, gpointer user_data) { set_mm_running(user_data); } /*****************************************************************************/ 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_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 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_BT_BZ_MGR: /* construct-only */ priv->bz_mgr = g_object_ref(g_value_get_pointer(value)); nm_assert(NM_IS_BLUEZ_MANAGER(priv->bz_mgr)); break; case PROP_BT_DBUS_PATH: /* construct-only */ priv->dbus_path = g_value_dup_string(value); nm_assert(priv->dbus_path); break; case PROP_BT_BDADDR: /* construct-only */ priv->bdaddr = g_value_dup_string(value); nm_assert(priv->bdaddr); break; case PROP_BT_NAME: /* construct-only */ priv->name = g_value_dup_string(value); nm_assert(priv->name); break; case PROP_BT_CAPABILITIES: /* construct-only */ priv->capabilities = g_value_get_uint(value); nm_assert(NM_IN_SET((NMBluetoothCapabilities) priv->capabilities, NM_BT_CAPABILITY_DUN, NM_BT_CAPABILITY_NAP, NM_BT_CAPABILITY_DUN | NM_BT_CAPABILITY_NAP)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); break; } } /*****************************************************************************/ static void nm_device_bt_init(NMDeviceBt *self) {} static void constructed(GObject *object) { NMDeviceBt *self = NM_DEVICE_BT(object); NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); G_OBJECT_CLASS(nm_device_bt_parent_class)->constructed(object); priv->modem_manager = g_object_ref(nm_modem_manager_get()); nm_modem_manager_name_owner_ref(priv->modem_manager); g_signal_connect(priv->modem_manager, NM_MODEM_MANAGER_MODEM_ADDED, G_CALLBACK(mm_modem_added_cb), self); g_signal_connect(priv->modem_manager, "notify::" NM_MODEM_MANAGER_NAME_OWNER, G_CALLBACK(mm_name_owner_changed_cb), self); set_mm_running(self); } NMDeviceBt * nm_device_bt_new(NMBluezManager *bz_mgr, const char *dbus_path, const char *bdaddr, const char *name, NMBluetoothCapabilities capabilities) { g_return_val_if_fail(NM_IS_BLUEZ_MANAGER(bz_mgr), NULL); g_return_val_if_fail(dbus_path, NULL); g_return_val_if_fail(bdaddr, NULL); g_return_val_if_fail(name, NULL); g_return_val_if_fail(capabilities != NM_BT_CAPABILITY_NONE, NULL); return g_object_new(NM_TYPE_DEVICE_BT, NM_DEVICE_UDI, dbus_path, NM_DEVICE_IFACE, bdaddr, NM_DEVICE_DRIVER, "bluez", NM_DEVICE_PERM_HW_ADDRESS, bdaddr, NM_DEVICE_BT_BDADDR, bdaddr, NM_DEVICE_BT_BZ_MGR, bz_mgr, NM_DEVICE_BT_CAPABILITIES, (guint) capabilities, NM_DEVICE_BT_DBUS_PATH, dbus_path, NM_DEVICE_BT_NAME, name, NM_DEVICE_TYPE_DESC, "Bluetooth", NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_BT, NULL); } static void dispose(GObject *object) { NMDeviceBt *self = NM_DEVICE_BT(object); NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(self); nm_clear_g_signal_handler(nm_device_get_platform(NM_DEVICE(self)), &priv->connect_watch_link_id); nm_clear_g_source(&priv->connect_watch_link_idle_id); nm_clear_g_source(&priv->connect_wait_modem_id); nm_clear_g_cancellable(&priv->connect_bz_cancellable); if (priv->modem_manager) { g_signal_handlers_disconnect_by_func(priv->modem_manager, G_CALLBACK(mm_name_owner_changed_cb), self); g_signal_handlers_disconnect_by_func(priv->modem_manager, G_CALLBACK(mm_modem_added_cb), self); nm_modem_manager_name_owner_unref(priv->modem_manager); g_clear_object(&priv->modem_manager); } modem_cleanup(self); G_OBJECT_CLASS(nm_device_bt_parent_class)->dispose(object); g_clear_object(&priv->bz_mgr); } static void finalize(GObject *object) { NMDeviceBtPrivate *priv = NM_DEVICE_BT_GET_PRIVATE(object); g_free(priv->connect_rfcomm_iface); g_free(priv->dbus_path); g_free(priv->name); g_free(priv->bdaddr); G_OBJECT_CLASS(nm_device_bt_parent_class)->finalize(object); } static const NMDBusInterfaceInfoExtended interface_info_device_bluetooth = { .parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT( NM_DBUS_INTERFACE_DEVICE_BLUETOOTH, .properties = NM_DEFINE_GDBUS_PROPERTY_INFOS( NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("HwAddress", "s", NM_DEVICE_HW_ADDRESS), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Name", "s", NM_DEVICE_BT_NAME), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("BtCapabilities", "u", NM_DEVICE_BT_CAPABILITIES), ), ), }; static void nm_device_bt_class_init(NMDeviceBtClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS(klass); NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS(klass); NMDeviceClass *device_class = NM_DEVICE_CLASS(klass); object_class->constructed = constructed; object_class->get_property = get_property; object_class->set_property = set_property; object_class->dispose = dispose; object_class->finalize = finalize; dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS(&interface_info_device_bluetooth); device_class->connection_type_check_compatible = NM_SETTING_BLUETOOTH_SETTING_NAME; device_class->get_generic_capabilities = get_generic_capabilities; device_class->can_auto_connect = can_auto_connect; device_class->deactivate = deactivate; device_class->act_stage1_prepare = act_stage1_prepare; device_class->act_stage2_config = act_stage2_config; device_class->act_stage3_ip_config = act_stage3_ip_config; device_class->check_connection_compatible = check_connection_compatible; device_class->check_connection_available = check_connection_available; device_class->complete_connection = complete_connection; device_class->is_available = is_available; device_class->get_configured_mtu = nm_modem_get_configured_mtu; device_class->state_changed = device_state_changed; obj_properties[PROP_BT_BZ_MGR] = g_param_spec_pointer(NM_DEVICE_BT_BZ_MGR, "", "", G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); obj_properties[PROP_BT_BDADDR] = g_param_spec_string(NM_DEVICE_BT_BDADDR, "", "", NULL, G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); obj_properties[PROP_BT_DBUS_PATH] = g_param_spec_string(NM_DEVICE_BT_DBUS_PATH, "", "", NULL, G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); obj_properties[PROP_BT_NAME] = g_param_spec_string(NM_DEVICE_BT_NAME, "", "", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); obj_properties[PROP_BT_CAPABILITIES] = g_param_spec_uint(NM_DEVICE_BT_CAPABILITIES, "", "", NM_BT_CAPABILITY_NONE, G_MAXUINT, NM_BT_CAPABILITY_NONE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties); signals[PPP_STATS] = g_signal_new(NM_DEVICE_BT_PPP_STATS, G_OBJECT_CLASS_TYPE(object_class), G_SIGNAL_RUN_FIRST, 0, NULL, NULL, NULL, G_TYPE_NONE, 2, G_TYPE_UINT /*guint32 in_bytes*/, G_TYPE_UINT /*guint32 out_bytes*/); }