Examples with SOCKSException net.i2p.socks.SOCKSException used on opensource projects

Example 6 with SOCKSException

use of net.i2p.socks.SOCKSException in project i2p.i2p by i2p.

the class SOCKS5Server method setupServer.

protected void setupServer() throws SOCKSException {
    if (setupCompleted) {
        return;
    }
    DataInputStream in;
    DataOutputStream out;
    try {
        in = new DataInputStream(clientSock.getInputStream());
        out = new DataOutputStream(clientSock.getOutputStream());
        init(in, out);
        if (manageRequest(in, out) == Command.UDP_ASSOCIATE)
            handleUDP(in, out);
    } catch (IOException e) {
        throw new SOCKSException("Connection error", e);
    }
    setupCompleted = true;
}

Example 7 with SOCKSException

use of net.i2p.socks.SOCKSException in project i2p.i2p by i2p.

the class SOCKS5Server method outproxyConnect.

/**
 *  Act as a SOCKS 5 client to connect to an outproxy
 *  @return open socket or throws error
 *  @since 0.8.2
 */
private I2PSocket outproxyConnect(I2PSOCKSTunnel tun, String proxy) throws IOException, I2PException {
    Properties overrides = new Properties();
    overrides.setProperty("option.i2p.streaming.connectDelay", "1000");
    I2PSocketOptions proxyOpts = tun.buildOptions(overrides);
    Destination dest = _context.namingService().lookup(proxy);
    if (dest == null)
        throw new SOCKSException("Outproxy not found");
    I2PSocket destSock = tun.createI2PSocket(dest, proxyOpts);
    OutputStream out = null;
    InputStream in = null;
    try {
        out = destSock.getOutputStream();
        in = destSock.getInputStream();
        boolean authAvail = Boolean.parseBoolean(props.getProperty(I2PTunnelHTTPClientBase.PROP_OUTPROXY_AUTH));
        String configUser = null;
        String configPW = null;
        if (authAvail) {
            configUser = props.getProperty(I2PTunnelHTTPClientBase.PROP_OUTPROXY_USER_PREFIX + proxy);
            configPW = props.getProperty(I2PTunnelHTTPClientBase.PROP_OUTPROXY_PW_PREFIX + proxy);
            if (configUser == null || configPW == null) {
                configUser = props.getProperty(I2PTunnelHTTPClientBase.PROP_OUTPROXY_USER);
                configPW = props.getProperty(I2PTunnelHTTPClientBase.PROP_OUTPROXY_PW);
            }
        }
        SOCKS5Client.connect(in, out, connHostName, connPort, configUser, configPW);
    } catch (IOException e) {
        try {
            destSock.close();
        } catch (IOException ioe) {
        }
        if (in != null)
            try {
                in.close();
            } catch (IOException ioe) {
            }
        if (out != null)
            try {
                out.close();
            } catch (IOException ioe) {
            }
        throw e;
    }
    // that's it, caller will send confirmation to our client
    return destSock;
}

Example 8 with SOCKSException

use of net.i2p.socks.SOCKSException in project i2p.i2p by i2p.

the class SOCKSServerFactory method createSOCKSServer.

/**
 * Create a new SOCKS server, using the provided socket (that must
 * be connected to a client) to select the proper SOCKS protocol
 * version.  This method wil strip the SOCKS VER field from the
 * provided sockets's input stream.
 *
 * @param s a Socket used to choose the SOCKS server type
 * @param props non-null
 */
public static SOCKSServer createSOCKSServer(I2PAppContext ctx, Socket s, Properties props) throws SOCKSException {
    SOCKSServer serv;
    try {
        DataInputStream in = new DataInputStream(s.getInputStream());
        int socksVer = in.readByte();
        switch(socksVer) {
            case 0x04:
                // SOCKS version 4/4a
                if (Boolean.parseBoolean(props.getProperty(I2PTunnelHTTPClientBase.PROP_AUTH)) && props.containsKey(I2PTunnelHTTPClientBase.PROP_USER) && props.containsKey(I2PTunnelHTTPClientBase.PROP_PW)) {
                    throw new SOCKSException("SOCKS 4/4a not supported when authorization is required");
                }
                serv = new SOCKS4aServer(ctx, s, props);
                break;
            case 0x05:
                // SOCKS version 5
                serv = new SOCKS5Server(ctx, s, props);
                break;
            case 'C':
            case 'G':
            case 'H':
            case 'P':
                DataOutputStream out = new DataOutputStream(s.getOutputStream());
                out.write(DataHelper.getASCII(ERR_REQUEST_DENIED));
                throw new SOCKSException("HTTP request to socks");
            default:
                throw new SOCKSException("SOCKS protocol version not supported (" + Integer.toHexString(socksVer) + ")");
        }
    } catch (IOException e) {
        // _log.debug("error reading SOCKS protocol version");
        throw new SOCKSException("Connection error", e);
    }
    return serv;
}

Example 9 with SOCKSException

use of net.i2p.socks.SOCKSException in project i2p.i2p by i2p.

the class I2PSOCKSIRCTunnel method clientConnectionRun.

/**
 *  Same as in I2PSOCKSTunnel, but run the filters from I2PTunnelIRCClient
 *  instead of I2PTunnelRunner
 */
@Override
protected void clientConnectionRun(Socket s) {
    I2PSocket destSock = null;
    try {
        // _log.error("SOCKS IRC Tunnel Start");
        try {
            s.setSoTimeout(INITIAL_SO_TIMEOUT);
        } catch (SocketException ioe) {
        }
        SOCKSServer serv = SOCKSServerFactory.createSOCKSServer(_context, s, getTunnel().getClientOptions());
        Socket clientSock = serv.getClientSocket();
        try {
            s.setSoTimeout(0);
        } catch (SocketException ioe) {
        }
        destSock = serv.getDestinationI2PSocket(this);
        StringBuffer expectedPong = new StringBuffer();
        int id = __clientId.incrementAndGet();
        Thread in = new I2PAppThread(new IrcInboundFilter(clientSock, destSock, expectedPong, _log), "SOCKS IRC Client " + id + " in", true);
        in.start();
        // Thread out = new I2PAppThread(new IrcOutboundFilter(clientSock, destSock, expectedPong, _log),
        // "SOCKS IRC Client " + id + " out", true);
        Runnable out = new IrcOutboundFilter(clientSock, destSock, expectedPong, _log);
        // we are called from an unlimited thread pool, so run inline
        // out.start();
        out.run();
    } catch (SOCKSException e) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("Error from SOCKS connection", e);
    } finally {
        // only because we are running it inline
        closeSocket(s);
        if (destSock != null)
            try {
                destSock.close();
            } catch (IOException ioe) {
            }
    }
}

Example 10 with SOCKSException

use of net.i2p.socks.SOCKSException in project i2p.i2p by i2p.

the class SOCKS4aServer method confirmConnection.

protected void confirmConnection() throws SOCKSException {
    DataOutputStream out;
    try {
        out = new DataOutputStream(clientSock.getOutputStream());
        sendRequestReply(Reply.SUCCEEDED, InetAddress.getByName("127.0.0.1"), 1, out);
    } catch (IOException e) {
        throw new SOCKSException("Connection error", e);
    }
}