nopenpilot/selfdrive/ui/qt/offroad/wifiManager.cc

567 lines
21 KiB
C++

#include "selfdrive/ui/qt/offroad/wifiManager.h"
#include <algorithm>
#include <set>
#include <cstdlib>
#include "selfdrive/common/params.h"
#include "selfdrive/common/swaglog.h"
#include "selfdrive/ui/qt/util.h"
template <typename T>
T get_response(QDBusMessage response) {
QVariant first = response.arguments().at(0);
QDBusVariant dbvFirst = first.value<QDBusVariant>();
QVariant vFirst = dbvFirst.variant();
if (vFirst.canConvert<T>()) {
return vFirst.value<T>();
} else {
LOGE("Variant unpacking failure");
return T();
}
}
bool compare_by_strength(const Network &a, const Network &b) {
if (a.connected == ConnectedType::CONNECTED) return true;
if (b.connected == ConnectedType::CONNECTED) return false;
if (a.connected == ConnectedType::CONNECTING) return true;
if (b.connected == ConnectedType::CONNECTING) return false;
return a.strength > b.strength;
}
WifiManager::WifiManager(QWidget* parent) : QWidget(parent) {
qDBusRegisterMetaType<Connection>();
qDBusRegisterMetaType<IpConfig>();
connecting_to_network = "";
// Set tethering ssid as "weedle" + first 4 characters of a dongle id
tethering_ssid = "weedle";
if (auto dongle_id = getDongleId()) {
tethering_ssid += "-" + dongle_id->left(4);
}
adapter = getAdapter();
if (!adapter.isEmpty()) {
setup();
} else {
bus.connect(NM_DBUS_SERVICE, NM_DBUS_PATH, NM_DBUS_INTERFACE, "DeviceAdded", this, SLOT(deviceAdded(QDBusObjectPath)));
}
QTimer* timer = new QTimer(this);
QObject::connect(timer, &QTimer::timeout, this, [=]() {
if (!adapter.isEmpty() && this->isVisible()) {
requestScan();
}
});
timer->start(5000);
}
void WifiManager::setup() {
QDBusInterface nm(NM_DBUS_SERVICE, adapter, NM_DBUS_INTERFACE_DEVICE, bus);
bus.connect(NM_DBUS_SERVICE, adapter, NM_DBUS_INTERFACE_DEVICE, "StateChanged", this, SLOT(stateChange(unsigned int, unsigned int, unsigned int)));
bus.connect(NM_DBUS_SERVICE, adapter, NM_DBUS_INTERFACE_PROPERTIES, "PropertiesChanged", this, SLOT(propertyChange(QString, QVariantMap, QStringList)));
bus.connect(NM_DBUS_SERVICE, NM_DBUS_PATH_SETTINGS, NM_DBUS_INTERFACE_SETTINGS, "ConnectionRemoved", this, SLOT(connectionRemoved(QDBusObjectPath)));
bus.connect(NM_DBUS_SERVICE, NM_DBUS_PATH_SETTINGS, NM_DBUS_INTERFACE_SETTINGS, "NewConnection", this, SLOT(newConnection(QDBusObjectPath)));
QDBusInterface device_props(NM_DBUS_SERVICE, adapter, NM_DBUS_INTERFACE_PROPERTIES, bus);
device_props.setTimeout(DBUS_TIMEOUT);
QDBusMessage response = device_props.call("Get", NM_DBUS_INTERFACE_DEVICE, "State");
raw_adapter_state = get_response<uint>(response);
initActiveAp();
initConnections();
requestScan();
}
void WifiManager::refreshNetworks() {
if (adapter.isEmpty()) {
return;
}
seenNetworks.clear();
ipv4_address = get_ipv4_address();
QDBusInterface nm(NM_DBUS_SERVICE, adapter, NM_DBUS_INTERFACE_DEVICE_WIRELESS, bus);
nm.setTimeout(DBUS_TIMEOUT);
const QDBusReply<QList<QDBusObjectPath>> &response = nm.call("GetAllAccessPoints");
for (const QDBusObjectPath &path : response.value()) {
const QByteArray &ssid = get_property(path.path(), "Ssid");
unsigned int strength = get_ap_strength(path.path());
if (ssid.isEmpty() || (seenNetworks.contains(ssid) &&
strength <= seenNetworks.value(ssid).strength)) {
continue;
}
SecurityType security = getSecurityType(path.path());
ConnectedType ctype;
QString activeSsid = (activeAp != "" && activeAp != "/") ? get_property(activeAp, "Ssid") : "";
if (ssid != activeSsid) {
ctype = ConnectedType::DISCONNECTED;
} else {
if (ssid == connecting_to_network) {
ctype = ConnectedType::CONNECTING;
} else {
ctype = ConnectedType::CONNECTED;
}
}
Network network = {ssid, strength, ctype, security};
seenNetworks[ssid] = network;
}
}
QString WifiManager::get_ipv4_address() {
if (raw_adapter_state != NM_DEVICE_STATE_ACTIVATED) {
return "";
}
QVector<QDBusObjectPath> conns = get_active_connections();
for (auto &p : conns) {
QDBusInterface nm(NM_DBUS_SERVICE, p.path(), NM_DBUS_INTERFACE_PROPERTIES, bus);
nm.setTimeout(DBUS_TIMEOUT);
QDBusObjectPath pth = get_response<QDBusObjectPath>(nm.call("Get", NM_DBUS_INTERFACE_ACTIVE_CONNECTION, "Ip4Config"));
QString ip4config = pth.path();
QString type = get_response<QString>(nm.call("Get", NM_DBUS_INTERFACE_ACTIVE_CONNECTION, "Type"));
if (type == "802-11-wireless") {
QDBusInterface nm2(NM_DBUS_SERVICE, ip4config, NM_DBUS_INTERFACE_PROPERTIES, bus);
nm2.setTimeout(DBUS_TIMEOUT);
const QDBusArgument &arr = get_response<QDBusArgument>(nm2.call("Get", NM_DBUS_INTERFACE_IP4_CONFIG, "AddressData"));
QMap<QString, QVariant> pth2;
arr.beginArray();
while (!arr.atEnd()) {
arr >> pth2;
QString ipv4 = pth2.value("address").value<QString>();
arr.endArray();
return ipv4;
}
arr.endArray();
}
}
return "";
}
SecurityType WifiManager::getSecurityType(const QString &path) {
int sflag = get_property(path, "Flags").toInt();
int wpaflag = get_property(path, "WpaFlags").toInt();
int rsnflag = get_property(path, "RsnFlags").toInt();
int wpa_props = wpaflag | rsnflag;
// obtained by looking at flags of networks in the office as reported by an Android phone
const int supports_wpa = NM_802_11_AP_SEC_PAIR_WEP40 | NM_802_11_AP_SEC_PAIR_WEP104 | NM_802_11_AP_SEC_GROUP_WEP40 | NM_802_11_AP_SEC_GROUP_WEP104 | NM_802_11_AP_SEC_KEY_MGMT_PSK;
if ((sflag == NM_802_11_AP_FLAGS_NONE) || ((sflag & NM_802_11_AP_FLAGS_WPS) && !(wpa_props & supports_wpa))) {
return SecurityType::OPEN;
} else if ((sflag & NM_802_11_AP_FLAGS_PRIVACY) && (wpa_props & supports_wpa) && !(wpa_props & NM_802_11_AP_SEC_KEY_MGMT_802_1X)) {
return SecurityType::WPA;
} else {
LOGW("Unsupported network! sflag: %d, wpaflag: %d, rsnflag: %d", sflag, wpaflag, rsnflag);
return SecurityType::UNSUPPORTED;
}
}
void WifiManager::connect(const Network &n) {
return connect(n, "", "");
}
void WifiManager::connect(const Network &n, const QString &password) {
return connect(n, "", password);
}
void WifiManager::connect(const Network &n, const QString &username, const QString &password) {
connecting_to_network = n.ssid;
// disconnect();
forgetConnection(n.ssid); //Clear all connections that may already exist to the network we are connecting
connect(n.ssid, username, password, n.security_type);
}
void WifiManager::connect(const QByteArray &ssid, const QString &username, const QString &password, SecurityType security_type) {
Connection connection;
connection["connection"]["type"] = "802-11-wireless";
connection["connection"]["uuid"] = QUuid::createUuid().toString().remove('{').remove('}');
connection["connection"]["id"] = "openpilot connection "+QString::fromStdString(ssid.toStdString());
connection["connection"]["autoconnect-retries"] = 0;
connection["802-11-wireless"]["ssid"] = ssid;
connection["802-11-wireless"]["mode"] = "infrastructure";
if (security_type == SecurityType::WPA) {
connection["802-11-wireless-security"]["key-mgmt"] = "wpa-psk";
connection["802-11-wireless-security"]["auth-alg"] = "open";
connection["802-11-wireless-security"]["psk"] = password;
}
connection["ipv4"]["method"] = "auto";
connection["ipv4"]["dns-priority"] = 600;
connection["ipv6"]["method"] = "ignore";
QDBusInterface nm_settings(NM_DBUS_SERVICE, NM_DBUS_PATH_SETTINGS, NM_DBUS_INTERFACE_SETTINGS, bus);
nm_settings.setTimeout(DBUS_TIMEOUT);
nm_settings.call("AddConnection", QVariant::fromValue(connection));
}
void WifiManager::deactivateConnectionBySsid(const QString &ssid) {
for (QDBusObjectPath active_connection_raw : get_active_connections()) {
QString active_connection = active_connection_raw.path();
QDBusInterface nm(NM_DBUS_SERVICE, active_connection, NM_DBUS_INTERFACE_PROPERTIES, bus);
nm.setTimeout(DBUS_TIMEOUT);
QDBusObjectPath pth = get_response<QDBusObjectPath>(nm.call("Get", NM_DBUS_INTERFACE_ACTIVE_CONNECTION, "SpecificObject"));
if (pth.path() != "" && pth.path() != "/") {
QString Ssid = get_property(pth.path(), "Ssid");
if (Ssid == ssid) {
deactivateConnection(active_connection_raw);
}
}
}
}
void WifiManager::deactivateConnection(const QDBusObjectPath &path) {
QDBusInterface nm2(NM_DBUS_SERVICE, NM_DBUS_PATH, NM_DBUS_INTERFACE, bus);
nm2.setTimeout(DBUS_TIMEOUT);
nm2.call("DeactivateConnection", QVariant::fromValue(path));
}
QVector<QDBusObjectPath> WifiManager::get_active_connections() {
QDBusInterface nm(NM_DBUS_SERVICE, NM_DBUS_PATH, NM_DBUS_INTERFACE_PROPERTIES, bus);
nm.setTimeout(DBUS_TIMEOUT);
QDBusMessage response = nm.call("Get", NM_DBUS_INTERFACE, "ActiveConnections");
const QDBusArgument &arr = get_response<QDBusArgument>(response);
QVector<QDBusObjectPath> conns;
QDBusObjectPath path;
arr.beginArray();
while (!arr.atEnd()) {
arr >> path;
conns.push_back(path);
}
arr.endArray();
return conns;
}
bool WifiManager::isKnownConnection(const QString &ssid) {
return !getConnectionPath(ssid).path().isEmpty();
}
void WifiManager::forgetConnection(const QString &ssid) {
const QDBusObjectPath &path = getConnectionPath(ssid);
if (!path.path().isEmpty()) {
QDBusInterface nm2(NM_DBUS_SERVICE, path.path(), NM_DBUS_INTERFACE_SETTINGS_CONNECTION, bus);
nm2.call("Delete");
}
}
uint WifiManager::getAdapterType(const QDBusObjectPath &path) {
QDBusInterface device_props(NM_DBUS_SERVICE, path.path(), NM_DBUS_INTERFACE_PROPERTIES, bus);
device_props.setTimeout(DBUS_TIMEOUT);
return get_response<uint>(device_props.call("Get", NM_DBUS_INTERFACE_DEVICE, "DeviceType"));
}
bool WifiManager::isWirelessAdapter(const QDBusObjectPath &path) {
return getAdapterType(path) == NM_DEVICE_TYPE_WIFI;
}
void WifiManager::requestScan() {
QDBusInterface nm(NM_DBUS_SERVICE, adapter, NM_DBUS_INTERFACE_DEVICE_WIRELESS, bus);
nm.setTimeout(DBUS_TIMEOUT);
nm.call("RequestScan", QVariantMap());
}
uint WifiManager::get_wifi_device_state() {
QDBusInterface device_props(NM_DBUS_SERVICE, adapter, NM_DBUS_INTERFACE_PROPERTIES, bus);
device_props.setTimeout(DBUS_TIMEOUT);
QDBusMessage response = device_props.call("Get", NM_DBUS_INTERFACE_DEVICE, "State");
uint resp = get_response<uint>(response);
return resp;
}
QByteArray WifiManager::get_property(const QString &network_path , const QString &property) {
QDBusInterface device_props(NM_DBUS_SERVICE, network_path, NM_DBUS_INTERFACE_PROPERTIES, bus);
device_props.setTimeout(DBUS_TIMEOUT);
QDBusMessage response = device_props.call("Get", NM_DBUS_INTERFACE_ACCESS_POINT, property);
return get_response<QByteArray>(response);
}
unsigned int WifiManager::get_ap_strength(const QString &network_path) {
QDBusInterface device_props(NM_DBUS_SERVICE, network_path, NM_DBUS_INTERFACE_PROPERTIES, bus);
device_props.setTimeout(DBUS_TIMEOUT);
QDBusMessage response = device_props.call("Get", NM_DBUS_INTERFACE_ACCESS_POINT, "Strength");
return get_response<unsigned int>(response);
}
QString WifiManager::getAdapter(const uint adapter_type) {
QDBusInterface nm(NM_DBUS_SERVICE, NM_DBUS_PATH, NM_DBUS_INTERFACE, bus);
nm.setTimeout(DBUS_TIMEOUT);
const QDBusReply<QList<QDBusObjectPath>> &response = nm.call("GetDevices");
for (const QDBusObjectPath &path : response.value()) {
if (getAdapterType(path) == adapter_type) {
return path.path();
}
}
return "";
}
void WifiManager::stateChange(unsigned int new_state, unsigned int previous_state, unsigned int change_reason) {
raw_adapter_state = new_state;
if (new_state == NM_DEVICE_STATE_NEED_AUTH && change_reason == NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT && !connecting_to_network.isEmpty()) {
forgetConnection(connecting_to_network);
emit wrongPassword(connecting_to_network);
} else if (new_state == NM_DEVICE_STATE_ACTIVATED) {
connecting_to_network = "";
if (this->isVisible()) {
refreshNetworks();
emit refreshSignal();
}
}
}
// https://developer.gnome.org/NetworkManager/stable/gdbus-org.freedesktop.NetworkManager.Device.Wireless.html
void WifiManager::propertyChange(const QString &interface, const QVariantMap &props, const QStringList &invalidated_props) {
if (interface == NM_DBUS_INTERFACE_DEVICE_WIRELESS && props.contains("LastScan")) {
if (this->isVisible() || firstScan) {
refreshNetworks();
emit refreshSignal();
firstScan = false;
}
} else if (interface == NM_DBUS_INTERFACE_DEVICE_WIRELESS && props.contains("ActiveAccessPoint")) {
const QDBusObjectPath &path = props.value("ActiveAccessPoint").value<QDBusObjectPath>();
activeAp = path.path();
}
}
void WifiManager::deviceAdded(const QDBusObjectPath &path) {
if (isWirelessAdapter(path) && (adapter.isEmpty() || adapter == "/")) {
adapter = path.path();
setup();
}
}
void WifiManager::connectionRemoved(const QDBusObjectPath &path) {
knownConnections.remove(path);
}
void WifiManager::newConnection(const QDBusObjectPath &path) {
const Connection &settings = getConnectionSettings(path);
if (settings.value("connection").value("type") == "802-11-wireless") {
knownConnections[path] = settings.value("802-11-wireless").value("ssid").toString();
if (knownConnections[path] != tethering_ssid) {
activateWifiConnection(knownConnections[path]);
}
}
}
void WifiManager::disconnect() {
if (activeAp != "" && activeAp != "/") {
deactivateConnectionBySsid(get_property(activeAp, "Ssid"));
}
}
QDBusObjectPath WifiManager::getConnectionPath(const QString &ssid) {
for (const QString &conn_ssid : knownConnections) {
if (ssid == conn_ssid) {
return knownConnections.key(conn_ssid);
}
}
return QDBusObjectPath();
}
Connection WifiManager::getConnectionSettings(const QDBusObjectPath &path) {
QDBusInterface nm(NM_DBUS_SERVICE, path.path(), NM_DBUS_INTERFACE_SETTINGS_CONNECTION, bus);
nm.setTimeout(DBUS_TIMEOUT);
return QDBusReply<Connection>(nm.call("GetSettings")).value();
}
void WifiManager::initConnections() {
QDBusInterface nm(NM_DBUS_SERVICE, NM_DBUS_PATH_SETTINGS, NM_DBUS_INTERFACE_SETTINGS, bus);
nm.setTimeout(DBUS_TIMEOUT);
const QDBusReply<QList<QDBusObjectPath>> response = nm.call("ListConnections");
for (const QDBusObjectPath &path : response.value()) {
const Connection &settings = getConnectionSettings(path);
if (settings.value("connection").value("type") == "802-11-wireless") {
knownConnections[path] = settings.value("802-11-wireless").value("ssid").toString();
} else if (path.path() != "/") {
lteConnectionPath = path;
}
}
}
void WifiManager::activateWifiConnection(const QString &ssid) {
const QDBusObjectPath &path = getConnectionPath(ssid);
if (!path.path().isEmpty()) {
connecting_to_network = ssid;
QDBusInterface nm3(NM_DBUS_SERVICE, NM_DBUS_PATH, NM_DBUS_INTERFACE, bus);
nm3.setTimeout(DBUS_TIMEOUT);
nm3.call("ActivateConnection", QVariant::fromValue(path), QVariant::fromValue(QDBusObjectPath(adapter)), QVariant::fromValue(QDBusObjectPath("/")));
}
}
void WifiManager::activateModemConnection(const QDBusObjectPath &path) {
QString modem = getAdapter(NM_DEVICE_TYPE_MODEM);
if (!path.path().isEmpty() && !modem.isEmpty()) {
QDBusInterface nm3(NM_DBUS_SERVICE, NM_DBUS_PATH, NM_DBUS_INTERFACE, bus);
nm3.setTimeout(DBUS_TIMEOUT);
nm3.call("ActivateConnection", QVariant::fromValue(path), QVariant::fromValue(QDBusObjectPath(modem)), QVariant::fromValue(QDBusObjectPath("/")));
}
}
// function matches tici/hardware.py
NetworkType WifiManager::currentNetworkType() {
QDBusInterface nm(NM_DBUS_SERVICE, NM_DBUS_PATH, NM_DBUS_INTERFACE_PROPERTIES, bus);
nm.setTimeout(DBUS_TIMEOUT);
const QDBusObjectPath &primary_conn = get_response<QDBusObjectPath>(nm.call("Get", NM_DBUS_INTERFACE, "PrimaryConnection"));
QDBusInterface nm2(NM_DBUS_SERVICE, primary_conn.path(), NM_DBUS_INTERFACE_PROPERTIES, bus);
nm.setTimeout(DBUS_TIMEOUT);
const QString &primary_type = get_response<QString>(nm2.call("Get", NM_DBUS_INTERFACE_ACTIVE_CONNECTION, "Type"));
if (primary_type == "802-3-ethernet") {
return NetworkType::ETHERNET;
} else if (primary_type == "802-11-wireless" && !isTetheringEnabled()) {
return NetworkType::WIFI;
} else {
for (const QDBusObjectPath &conn : get_active_connections()) {
QDBusInterface nm3(NM_DBUS_SERVICE, conn.path(), NM_DBUS_INTERFACE_PROPERTIES, bus);
nm3.setTimeout(DBUS_TIMEOUT);
const QString &type = get_response<QString>(nm3.call("Get", NM_DBUS_INTERFACE_ACTIVE_CONNECTION, "Type"));
if (type == "gsm") {
return NetworkType::CELL;
}
}
}
return NetworkType::NONE;
}
void WifiManager::updateGsmSettings(bool roaming, QString apn) {
if (!lteConnectionPath.path().isEmpty()) {
QDBusInterface nm(NM_DBUS_SERVICE, lteConnectionPath.path(), NM_DBUS_INTERFACE_SETTINGS_CONNECTION, bus);
nm.setTimeout(DBUS_TIMEOUT);
bool changes = false;
bool auto_config = apn.isEmpty();
Connection settings = QDBusReply<Connection>(nm.call("GetSettings")).value();
if (settings.value("gsm").value("auto-config").toBool() != auto_config) {
qWarning() << "Changing gsm.auto-config to" << auto_config;
settings["gsm"]["auto-config"] = auto_config;
changes = true;
}
if (settings.value("gsm").value("apn").toString() != apn) {
qWarning() << "Changing gsm.apn to" << apn;
settings["gsm"]["apn"] = apn;
changes = true;
}
if (settings.value("gsm").value("home-only").toBool() == roaming) {
qWarning() << "Changing gsm.home-only to" << !roaming;
settings["gsm"]["home-only"] = !roaming;
changes = true;
}
if (changes) {
nm.call("UpdateUnsaved", QVariant::fromValue(settings)); // update is temporary
deactivateConnection(lteConnectionPath);
activateModemConnection(lteConnectionPath);
}
}
}
// Functions for tethering
void WifiManager::addTetheringConnection() {
Connection connection;
connection["connection"]["id"] = "Hotspot";
connection["connection"]["uuid"] = QUuid::createUuid().toString().remove('{').remove('}');
connection["connection"]["type"] = "802-11-wireless";
connection["connection"]["interface-name"] = "wlan0";
connection["connection"]["autoconnect"] = false;
connection["802-11-wireless"]["band"] = "bg";
connection["802-11-wireless"]["mode"] = "ap";
connection["802-11-wireless"]["ssid"] = tethering_ssid.toUtf8();
connection["802-11-wireless-security"]["group"] = QStringList("ccmp");
connection["802-11-wireless-security"]["key-mgmt"] = "wpa-psk";
connection["802-11-wireless-security"]["pairwise"] = QStringList("ccmp");
connection["802-11-wireless-security"]["proto"] = QStringList("rsn");
connection["802-11-wireless-security"]["psk"] = defaultTetheringPassword;
connection["ipv4"]["method"] = "shared";
QMap<QString,QVariant> address;
address["address"] = "192.168.43.1";
address["prefix"] = 24u;
connection["ipv4"]["address-data"] = QVariant::fromValue(IpConfig() << address);
connection["ipv4"]["gateway"] = "192.168.43.1";
connection["ipv4"]["route-metric"] = 1100;
connection["ipv6"]["method"] = "ignore";
QDBusInterface nm_settings(NM_DBUS_SERVICE, NM_DBUS_PATH_SETTINGS, NM_DBUS_INTERFACE_SETTINGS, bus);
nm_settings.setTimeout(DBUS_TIMEOUT);
nm_settings.call("AddConnection", QVariant::fromValue(connection));
}
void WifiManager::setTetheringEnabled(bool enabled) {
if (enabled) {
if (!isKnownConnection(tethering_ssid)) {
addTetheringConnection();
}
activateWifiConnection(tethering_ssid);
} else {
deactivateConnectionBySsid(tethering_ssid);
}
}
void WifiManager::initActiveAp() {
QDBusInterface device_props(NM_DBUS_SERVICE, adapter, NM_DBUS_INTERFACE_PROPERTIES, bus);
device_props.setTimeout(DBUS_TIMEOUT);
const QDBusMessage &response = device_props.call("Get", NM_DBUS_INTERFACE_DEVICE_WIRELESS, "ActiveAccessPoint");
activeAp = get_response<QDBusObjectPath>(response).path();
}
bool WifiManager::isTetheringEnabled() {
if (activeAp != "" && activeAp != "/") {
return get_property(activeAp, "Ssid") == tethering_ssid;
}
return false;
}
QString WifiManager::getTetheringPassword() {
if (!isKnownConnection(tethering_ssid)) {
addTetheringConnection();
}
const QDBusObjectPath &path = getConnectionPath(tethering_ssid);
if (!path.path().isEmpty()) {
QDBusInterface nm(NM_DBUS_INTERFACE, path.path(), NM_DBUS_INTERFACE_SETTINGS_CONNECTION, bus);
nm.setTimeout(DBUS_TIMEOUT);
const QDBusReply<QMap<QString, QMap<QString, QVariant>>> response = nm.call("GetSecrets", "802-11-wireless-security");
return response.value().value("802-11-wireless-security").value("psk").toString();
}
return "";
}
void WifiManager::changeTetheringPassword(const QString &newPassword) {
const QDBusObjectPath &path = getConnectionPath(tethering_ssid);
if (!path.path().isEmpty()) {
QDBusInterface nm(NM_DBUS_INTERFACE, path.path(), NM_DBUS_INTERFACE_SETTINGS_CONNECTION, bus);
nm.setTimeout(DBUS_TIMEOUT);
Connection settings = QDBusReply<Connection>(nm.call("GetSettings")).value();
settings["802-11-wireless-security"]["psk"] = newPassword;
nm.call("Update", QVariant::fromValue(settings));
if (isTetheringEnabled()) {
activateWifiConnection(tethering_ssid);
}
}
}