io.netty.handler.codec.socksx.v5.Socks5AuthMethod Java Examples

The following examples show how to use io.netty.handler.codec.socksx.v5.Socks5AuthMethod. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: Socks5ProxyServer.java From netty-4.1.22 with Apache License 2.0

6 votes

boolean authenticate(ChannelHandlerContext ctx, Object msg) {
    if (username == null) {
        ctx.pipeline().replace(DECODER, DECODER, new Socks5CommandRequestDecoder());
        ctx.write(new DefaultSocks5InitialResponse(Socks5AuthMethod.NO_AUTH));
        return true;
    }

    if (msg instanceof Socks5InitialRequest) {
        ctx.pipeline().replace(DECODER, DECODER, new Socks5PasswordAuthRequestDecoder());
        ctx.write(new DefaultSocks5InitialResponse(Socks5AuthMethod.PASSWORD));
        return false;
    }

    Socks5PasswordAuthRequest req = (Socks5PasswordAuthRequest) msg;
    if (req.username().equals(username) && req.password().equals(password)) {
        ctx.pipeline().replace(DECODER, DECODER, new Socks5CommandRequestDecoder());
        ctx.write(new DefaultSocks5PasswordAuthResponse(Socks5PasswordAuthStatus.SUCCESS));
        return true;
    }

    ctx.pipeline().replace(DECODER, DECODER, new Socks5PasswordAuthRequestDecoder());
    ctx.write(new DefaultSocks5PasswordAuthResponse(Socks5PasswordAuthStatus.FAILURE));
    return false;
}

Example #2

Source File: ProxyClientIntegrationTest.java From armeria with Apache License 2.0

6 votes

@Override
protected void channelRead0(ChannelHandlerContext ctx, Socks5Message msg) throws Exception {
    if (msg instanceof DefaultSocks5InitialRequest) {
        ctx.pipeline().addBefore(ctx.name(), Socks5CommandRequestDecoder.class.getName(),
                                 new Socks5CommandRequestDecoder());
        ctx.writeAndFlush(new DefaultSocks5InitialResponse(Socks5AuthMethod.NO_AUTH));
    } else if (msg instanceof DefaultSocks5CommandRequest) {
        final DefaultSocks5CommandRequest req = (DefaultSocks5CommandRequest) msg;
        ctx.pipeline().remove(Socks5CommandRequestDecoder.class);
        ctx.fireUserEventTriggered(new ProxySuccessEvent(
                new InetSocketAddress(req.dstAddr(), req.dstPort()),
                new DefaultSocks5CommandResponse(Socks5CommandStatus.SUCCESS,
                                                 Socks5AddressType.IPv4)));
    } else {
        throw new IllegalStateException("unexpected msg: " + msg);
    }
}

Example #3

Source File: ProxyToServerConnection.java From PowerTunnel with MIT License

5 votes

@Override
protected Future<?> execute() {
    List<Socks5AuthMethod> authMethods = new ArrayList<>(2);
    authMethods.add(Socks5AuthMethod.NO_AUTH);
    if ((username != null) || (password != null)) {
        authMethods.add(Socks5AuthMethod.PASSWORD);
    }
    DefaultSocks5InitialRequest initialRequest = new DefaultSocks5InitialRequest(authMethods);

    addFirstOrReplaceHandler(SOCKS_ENCODER_NAME, Socks5ClientEncoder.DEFAULT);
    addFirstOrReplaceHandler(SOCKS_DECODER_NAME, new Socks5InitialResponseDecoder());
    return writeToChannel(initialRequest);
}

Example #4

Source File: ProxyToServerConnection.java From PowerTunnel with MIT License

5 votes

@Override
void read(ConnectionFlow flow, Object msg) {
    if (msg instanceof Socks5InitialResponse) {
        Socks5AuthMethod selectedAuthMethod = ((Socks5InitialResponse) msg).authMethod();

        final boolean authSuccess;
        if (selectedAuthMethod == Socks5AuthMethod.NO_AUTH) {
            // Immediately proceed to SOCKS CONNECT
            flow.first(SOCKS5CONNECTRequestWithChainedProxy);
            authSuccess = true;
        }
        else if (selectedAuthMethod == Socks5AuthMethod.PASSWORD) {
            // Insert a password negotiation step:
            flow.first(SOCKS5SendPasswordCredentials);
            authSuccess = true;
        }
        else {
            // Server returned Socks5AuthMethod.UNACCEPTED or a method we do not support
            authSuccess = false;
        }

        if (authSuccess) {
            flow.advance();
            return;
        }
    }
    flow.fail();
}

Example #5

Source File: Socks5ProxyHandler.java From netty-4.1.22 with Apache License 2.0

5 votes

private Socks5AuthMethod socksAuthMethod() {
    Socks5AuthMethod authMethod;
    if (username == null && password == null) {
        authMethod = Socks5AuthMethod.NO_AUTH;
    } else {
        authMethod = Socks5AuthMethod.PASSWORD;
    }
    return authMethod;
}

Example #6

Source File: SocksProxyHandler.java From nitmproxy with MIT License

5 votes

@Override
protected void channelRead0(ChannelHandlerContext ctx, SocksMessage socksMessage)
        throws Exception {
    switch (socksMessage.version()) {
    case SOCKS4a:
        Socks4CommandRequest socksV4CmdRequest = (Socks4CommandRequest) socksMessage;
        if (socksV4CmdRequest.type() == Socks4CommandType.CONNECT) {
            onSocksSuccess(ctx, socksV4CmdRequest);
        } else {
            ctx.close();
        }
        break;
    case SOCKS5:
        if (socksMessage instanceof Socks5InitialRequest) {
            ctx.pipeline().addFirst(addChannelHandler(new Socks5CommandRequestDecoder()));
            ctx.writeAndFlush(new DefaultSocks5InitialResponse(Socks5AuthMethod.NO_AUTH));
        } else if (socksMessage instanceof Socks5PasswordAuthRequest) {
            ctx.pipeline().addFirst(addChannelHandler(new Socks5CommandRequestDecoder()));
            ctx.writeAndFlush(new DefaultSocks5PasswordAuthResponse(Socks5PasswordAuthStatus.SUCCESS));
        } else if (socksMessage instanceof Socks5CommandRequest) {
            Socks5CommandRequest socks5CmdRequest = (Socks5CommandRequest) socksMessage;
            if (socks5CmdRequest.type() == Socks5CommandType.CONNECT) {
                onSocksSuccess(ctx, socks5CmdRequest);
            } else {
                ctx.close();
            }
        } else {
            ctx.close();
        }
        break;
    case UNKNOWN:
        ctx.close();
        break;
    }
}

Example #7

Source File: SocksServerHandler.java From netty-4.1.22 with Apache License 2.0

4 votes

@Override
public void channelRead0(ChannelHandlerContext ctx, SocksMessage socksRequest) throws Exception {
    switch (socksRequest.version()) {
        case SOCKS4a:
            Socks4CommandRequest socksV4CmdRequest = (Socks4CommandRequest) socksRequest;
            if (socksV4CmdRequest.type() == Socks4CommandType.CONNECT) {
                ctx.pipeline().addLast(new SocksServerConnectHandler());
                ctx.pipeline().remove(this);
                ctx.fireChannelRead(socksRequest);
            } else {
                ctx.close();
            }
            break;
        case SOCKS5:
            if (socksRequest instanceof Socks5InitialRequest) {
                // auth support example
                //ctx.pipeline().addFirst(new Socks5PasswordAuthRequestDecoder());
                //ctx.write(new DefaultSocks5AuthMethodResponse(Socks5AuthMethod.PASSWORD));
                ctx.pipeline().addFirst(new Socks5CommandRequestDecoder());
                ctx.write(new DefaultSocks5InitialResponse(Socks5AuthMethod.NO_AUTH));
            } else if (socksRequest instanceof Socks5PasswordAuthRequest) {
                ctx.pipeline().addFirst(new Socks5CommandRequestDecoder());
                ctx.write(new DefaultSocks5PasswordAuthResponse(Socks5PasswordAuthStatus.SUCCESS));
            } else if (socksRequest instanceof Socks5CommandRequest) {
                Socks5CommandRequest socks5CmdRequest = (Socks5CommandRequest) socksRequest;
                if (socks5CmdRequest.type() == Socks5CommandType.CONNECT) {
                    ctx.pipeline().addLast(new SocksServerConnectHandler());
                    ctx.pipeline().remove(this);
                    ctx.fireChannelRead(socksRequest);
                } else {
                    ctx.close();
                }
            } else {
                ctx.close();
            }
            break;
        case UNKNOWN:
            ctx.close();
            break;
    }
}

Example #8

Source File: Socks5ProxyHandler.java From netty-4.1.22 with Apache License 2.0

4 votes

@Override
public String authScheme() {
    return socksAuthMethod() == Socks5AuthMethod.PASSWORD? AUTH_PASSWORD : AUTH_NONE;
}

Example #9

Source File: Socks5ProxyHandler.java From netty-4.1.22 with Apache License 2.0

4 votes

@Override
protected Object newInitialMessage(ChannelHandlerContext ctx) throws Exception {
    return socksAuthMethod() == Socks5AuthMethod.PASSWORD? INIT_REQUEST_PASSWORD : INIT_REQUEST_NO_AUTH;
}