Networking: populate tethering password (#21455)

* populate password from hotspot connection

move to setup()

populate tethering password

fix password editing

setup tethering when editing password or enabling

fix

* fixes

* last fix, don't activate when adding

* check before

* if not

selfdrive/ui/qt/offroad/networking.cc

@@ -125,8 +125,8 @@ AdvancedNetworking::AdvancedNetworking(QWidget* parent, WifiManager* wifi): QWid
   // Change tethering password
   editPasswordButton = new ButtonControl("Tethering Password", "EDIT");
   connect(editPasswordButton, &ButtonControl::released, [=]() {
-    QString pass = InputDialog::getText("Enter new tethering password", 8);
+    QString pass = InputDialog::getText("Enter new tethering password", 8, wifi->getTetheringPassword());
-    if (pass.size()) {
+    if (!pass.isEmpty()) {
       wifi->changeTetheringPassword(pass);
     }
   });

selfdrive/ui/qt/offroad/wifiManager.cc

@@ -365,8 +365,10 @@ void WifiManager::connectionRemoved(const QDBusObjectPath &path) {
 
 void WifiManager::newConnection(const QDBusObjectPath &path) {
   knownConnections[path] = getConnectionSsid(path);
+  if (knownConnections[path] != tethering_ssid) {
     activateWifiConnection(knownConnections[path]);
   }
+}
 
 void WifiManager::disconnect() {
   QString active_ap = get_active_ap();
@@ -428,7 +430,7 @@ void WifiManager::addTetheringConnection() {
   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"] = tetheringPassword;
+  connection["802-11-wireless-security"]["psk"] = defaultTetheringPassword;
 
   connection["ipv4"]["method"] = "shared";
   QMap<QString,QVariant> address;
@@ -445,7 +447,7 @@ void WifiManager::addTetheringConnection() {
 }
 
 void WifiManager::enableTethering() {
-  if (!isKnownConnection(tethering_ssid.toUtf8())) {
+  if (!isKnownConnection(tethering_ssid)) {
     addTetheringConnection();
   }
   activateWifiConnection(tethering_ssid.toUtf8());
@@ -465,8 +467,29 @@ bool WifiManager::tetheringEnabled() {
   return false;
 }
 
-void WifiManager::changeTetheringPassword(const QString &newPassword) {
+QString WifiManager::getTetheringPassword() {
-  tetheringPassword = newPassword;
+  if (!isKnownConnection(tethering_ssid)) {
-  forgetConnection(tethering_ssid.toUtf8());
     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));
+  }
+}

selfdrive/ui/qt/offroad/wifiManager.h

@@ -54,6 +54,7 @@ public:
   void addTetheringConnection();
   void activateWifiConnection(const QString &ssid);
   void changeTetheringPassword(const QString &newPassword);
+  QString getTetheringPassword();
 
 private:
   QVector<QByteArray> seen_ssids;
@@ -62,7 +63,7 @@ private:
   unsigned int raw_adapter_state;  // Connection status https://developer.gnome.org/NetworkManager/1.26/nm-dbus-types.html#NMDeviceState
   QString connecting_to_network;
   QString tethering_ssid;
-  QString tetheringPassword = "swagswagcommma";
+  const QString defaultTetheringPassword = "swagswagcommma";
 
   bool firstScan = true;
   QString getAdapter();

selfdrive/ui/qt/widgets/input.cc

@@ -57,8 +57,9 @@ InputDialog::InputDialog(const QString &prompt_text, QWidget *parent) : QDialog(
 
 }
 
-QString InputDialog::getText(const QString &prompt, int minLength) {
+QString InputDialog::getText(const QString &prompt, int minLength, const QString &defaultText) {
   InputDialog d = InputDialog(prompt);
+  d.line->setText(defaultText);
   d.setMinLength(minLength);
   const int ret = d.exec();
   return ret ? d.text() : QString();

selfdrive/ui/qt/widgets/input.h

@@ -14,7 +14,7 @@ class InputDialog : public QDialog {
 
 public:
   explicit InputDialog(const QString &prompt_text, QWidget* parent = 0);
-  static QString getText(const QString &prompt, int minLength = -1);
+  static QString getText(const QString &prompt, int minLength = -1, const QString &defaultText = "");
   QString text();
   void setMessage(const QString &message, bool clearInputField = true);
   void setMinLength(int length);