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Randomly choose an SDL server and recognize malicious domain without prefix

duke
Duke Leto 3 years ago
parent
commit
f601767811
  1. 18
      src/connection.cpp
  2. 2
      src/controller.cpp
  3. 38
      src/settings.cpp

18
src/connection.cpp

@ -155,9 +155,21 @@ void ConnectionLoader::doAutoConnect()
QString response = litelib_process_response(resp);
if (response.toUpper().trimmed() != "OK") {
QString resp = "Error when connecting to " + config->server + ": " + response;
showError(resp);
return;
config->server = Settings::getRandomServer();
resp = litelib_initialize_existing(
config->dangerous,
config->server.toStdString().c_str()
);
response = litelib_process_response(resp);
if (response.toUpper().trimmed() != "OK") {
QString resp = "Error when connecting to " + config->server + ": " + response;
showError(resp);
return;
} else {
qDebug() << __func__ << ": Successfully connected to random server: " << config->server << " !!!";
}
} else {
qDebug() << __func__ << ": Successfully connected to " << config->server << " !!!";
}

2
src/controller.cpp

@ -2040,7 +2040,7 @@ void Controller::shutdownhushd()
connD.topIcon->setMovie(movie2);
movie2->start();
connD.status->setText(QObject::tr("Please wait for SilentDragonLite to exit"));
connD.statusDetail->setText(QObject::tr("Waiting for hushd to exit"));
connD.statusDetail->setText(QObject::tr("Please wait for SilentDragonLite to exit"));
} else {
QMovie *movie1 = new QMovie(":/img/res/silentdragonlite-animated-startup.gif");;
movie1->setScaledSize(size);

38
src/settings.cpp

@ -25,15 +25,15 @@ Config Settings::getSettings() {
// this domain is stolen and malicious!
// More info: https://git.hush.is/hush/fraud/#gilardh
auto malicious = "https://lite.myhush.org";
auto malicious = "lite.myhush.org";
auto server = s.value("connection/server").toString();
bool sticky = s.value("connection/stickyServer").toBool();
bool torOnly = s.value("connection/torOnly").toBool();
// Users that have old configs generated from old SDLs will have this hostname
if(server == malicious) {
if(server == malicious or server == (QString("https://") + malicious)) {
qDebug() << "Replacing malicious SDL server with " << server;
server = "https://lite.hush.is";
server = getRandomServer();
s.setValue("connection/server", server);
}
@ -294,24 +294,27 @@ void Settings::saveRestoreTableHeader(QTableView* table, QDialog* d, QString tab
QString Settings::getRandomServer() {
qDebug() << __func__;
// The more servers from different TLDs, the better
QList<QString> servers = {
"https://lite.hush.is",
"https://devo.crabdance.com",
//"https://thisisdown1.example.com",
//"https://thisisdown2.example.com",
//"https://thisisdown3.example.com",
//"https://thisisdown4.example.com",
//"https://thisisdown5.example.com",
"https://lite.hush.community",
};
// we don't need cryptographic random-ness, but we want
// clients to never get "stuck" with the same server, which
// prevents various attacks
QList<QString> servers;
//TODO: This should be a much larger list which we randomly choose from
servers[0] = "https://lite.hush.is";
servers[1] = "https://devo.crabdance.com";
servers[2] = "https://lite.hush.community";
//servers[3] = "https://hush.leto.net";
//servers[4] = "https://milktoast.attackingzcash.com";
// start at a random place in the list
int x = rand() % servers.size();
int x = rand() % servers.size();
auto server = servers[x];
int tries = 0;
int tries = 0;
// We try every server,in order, starting from a random place in the list
while (tries <= servers.size() ) {
while (tries < servers.size() ) {
qDebug() << "Checking if lite server " << server << " is a alive, try=" << tries;
char* resp = litelib_initialize_existing(false, server.toStdString().c_str());
QString response = litelib_process_response(resp);
@ -321,8 +324,9 @@ QString Settings::getRandomServer() {
qDebug() << "Choosing lite server " << server;
return server;
}
server = servers[++x % servers.size()];
x++;
x = x % servers.size();
server = servers[x];
tries++;
}
return server;

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