Method main

programs/client/Client.cpp:352–478

int Client::main(const std::vector<std::string> & /*args*/)
try
{
    setupSignalHandler();

    output_stream << std::fixed << std::setprecision(3);
    error_stream << std::fixed << std::setprecision(3);

    registerFormats();
    registerFunctions();
    registerAggregateFunctions();

    processConfig();
    adjustSettings(client_context);

    initTTYBuffer(
        toProgressOption(config().getString("progress", "default")), toProgressOption(config().getString("progress-table", "default")));
    initKeystrokeInterceptor();

    /// Includes delayed_interactive.
    if (is_interactive)
    {
        clearTerminal();
        showClientVersion();
    }

#if USE_JWT_CPP && USE_SSL
    if (config().getBool("login", false))
    {
        login();
    }
#endif

    bool asked_password = false;
    bool asked_2fa = false;
    for (;;)
    {
        try
        {
            connect();
            break;
        }
        catch (const Exception & e)
        {
            auto code = e.code();

            bool should_ask_password = !asked_password && is_interactive &&
                (code == ErrorCodes::AUTHENTICATION_FAILED || code == ErrorCodes::REQUIRED_PASSWORD) &&
                !config().has("password") && !config().getBool("ask-password", false) &&
                !config().has("ssh-key-file");

            if (should_ask_password)
            {
                asked_password = true;
                config().setBool("ask-password", true);
                continue;
            }