config.java

public String getConfigFile(Context context, boolean configForOvpn3) {
        boolean isDebug = BuildConfig.DEBUG && PrefUtils.getBoolean(context, PrefUtils.USE_CUSTOM, false);
        File cacheDir = context.getCacheDir();
        String cfg = "";

        // Enable management interface
        cfg += "# Enables connection to GUI\n";
        cfg += "management ";

        cfg += cacheDir.getAbsolutePath() + "/" + "mgmtsocket";
        cfg += " unix\n";
        cfg += "management-client\n";
        // Not needed, see updated man page in 2.3
        //cfg += "management-signal\n";
        cfg += "management-query-passwords\n";
        cfg += "management-hold\n\n";

        if (!configForOvpn3) {
            cfg += String.format("setenv IV_GUI_VER %s \n", openVpnEscape(getVersionEnvString(context)));
        }

        cfg += "machine-readable-output\n";

        // Users are confused by warnings that are misleading...
        cfg += "ifconfig-nowarn\n";

        boolean useTLSClient = (mAuthenticationType != TYPE_STATICKEYS);

        if (useTLSClient && mUsePull) {
            cfg += "client\n";
        } else if (mUsePull) {
            cfg += "pull\n";
        } else if (useTLSClient) {
            cfg += "tls-client\n";
        }

        //cfg += "verb " + mVerb + "\n";
        cfg += "verb " + MAXLOGLEVEL + "\n";

        if (mConnectRetryMax == null) {
            mConnectRetryMax = "0";
        }
        if (isDebug) {
            cfg += "connect-retry-max " + PrefUtils.getString(context, PrefUtils.CONNECT_RETRY_MAX, "0") + "\n";
        } else {
            if (!mConnectRetryMax.equals("-1")) {
                cfg += "connect-retry-max " + mConnectRetryMax + "\n";
            }
        }

        if (mConnectRetry == null) {
            mConnectRetry = "60";
        }

        if (isDebug) {
            cfg += "connect-retry " + PrefUtils.getString(context, PrefUtils.CONNECT_RETRY, "60") + "\n";
            cfg += "resolv-retry " + PrefUtils.getString(context, PrefUtils.RESOLVE_RETRY, "infinite") + "\n";
            if (PrefUtils.getBoolean(context, PrefUtils.TLS_EXIT, true)) {
                cfg += "tls-exit\n";
            }
            cfg += "route-delay " + PrefUtils.getString(context, PrefUtils.ROUTE_DELAY, "2") + "\n";
            if (PrefUtils.getBoolean(context, PrefUtils.REDIRECT_GATEWAY, true)) {
                cfg += "redirect-gateway\n";
            }
        } else {
            cfg += "connect-retry " + mConnectRetry + "\n";
            cfg += "resolv-retry infinite\n";
            cfg += "tls-exit\n";
            cfg += "route-delay 2\n";
            cfg += "redirect-gateway\n";
        }

        // We cannot use anything else than tun
        if (isDebug) cfg += "dev " + PrefUtils.getString(context, PrefUtils.DEV, "tun") + "\n\n";
        else cfg += "dev tun\n";
        if (PrefUtils.isUseSmoke(App.getInstance().getApplicationContext())) {
            if (isDebug) cfg += "proto " + PrefUtils.getString(context, PrefUtils.PROTO, "udp") + "\n\n";
            else cfg += "proto udp\n";
        }
        // TODO
        // Server Address
        if (isDebug) {
            cfg += "remote " + PrefUtils.getString(context, PrefUtils.REMOTE_IP, "127.0.0.1")
                    + " " + PrefUtils.getString(context, PrefUtils.REMOTE_PORT, "4987");
        } else {
            cfg += "remote ";
            cfg += mServerName;
            cfg += " ";
            cfg += mServerPort;
        }
        if (mUseUdp && !PrefUtils.isUseSmoke(App.getInstance().getApplicationContext())) {
            cfg += " udp\n";
        } else if (PrefUtils.isUseSmoke(App.getInstance().getApplicationContext())) {
            cfg += "\n";
            if (isDebug) {
                if (PrefUtils.getBoolean(context, PrefUtils.NOBIND, true)) {
                    cfg += "nobind\n";
                }
                if (PrefUtils.getBoolean(context, PrefUtils.PERSIST_KEY, true)) {
                    cfg += "persist-key\n";
                }
            } else {
                cfg += "nobind\n";
                cfg += "persist-key\n";
            }
            cfg += "persist-tun\n";
        } else {
            cfg += " tcp-client\n";
        }