/*
* Copyright 2017 ZhangJiupeng
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cc.agentx.protocol;
/**
* @see <a href="https://www.ietf.org/rfc/rfc1928.txt">
* https://www.ietf.org/rfc/rfc1928.txt</a>
*/
public class Socks5 {
public static final int VERSION = 5;
public static final int ATYP_IPV4 = 1;
public static final int ATYP_DOMAIN = 3;
public static final int ATYP_IPV6 = 4;
// preset replies
public static byte[] echo = {5, 0};
public static byte[] reject = {5, (byte) 0xff};
public static byte[] succeed = {5, 0, 0, 1, 0, 0, 0, 0, 0, 0};
public static byte[] error_1 = {5, 1, 0, 1, 0, 0, 0, 0, 0, 0}; // general socks server failure
public static byte[] error_2 = {5, 2, 0, 1, 0, 0, 0, 0, 0, 0}; // connection not allowed by rule set
public static byte[] error_3 = {5, 3, 0, 1, 0, 0, 0, 0, 0, 0}; // network unreachable
public static byte[] error_4 = {5, 4, 0, 1, 0, 0, 0, 0, 0, 0}; // host unreachable
public static byte[] error_5 = {5, 5, 0, 1, 0, 0, 0, 0, 0, 0}; // connection refused
public static byte[] error_6 = {5, 6, 0, 1, 0, 0, 0, 0, 0, 0}; // ttl expired
public static byte[] error_7 = {5, 7, 0, 1, 0, 0, 0, 0, 0, 0}; // command not supported
public static byte[] error_8 = {5, 8, 0, 1, 0, 0, 0, 0, 0, 0}; // address type not supported
private Socks5() {
}
}