Examples with Destination net.i2p.data.Destination used on opensource projects

Example 76 with Destination

use of net.i2p.data.Destination in project i2p.i2p by i2p.

the class StreamSinkClient method runClient.

/**
 * Actually connect and run the client - this call blocks until completion.
 */
public void runClient() {
    I2PSocketManager mgr = null;
    if (_i2cpHost != null)
        mgr = I2PSocketManagerFactory.createManager(_i2cpHost, _i2cpPort, new Properties());
    else
        mgr = I2PSocketManagerFactory.createManager();
    Destination peer = null;
    FileInputStream fis = null;
    try {
        fis = new FileInputStream(_peerDestFile);
        peer = new Destination();
        peer.readBytes(fis);
    } catch (IOException ioe) {
        _log.error("Error finding the peer destination to contact in " + _peerDestFile, ioe);
        return;
    } catch (DataFormatException dfe) {
        _log.error("Peer destination is not valid in " + _peerDestFile, dfe);
        return;
    } finally {
        if (fis != null)
            try {
                fis.close();
            } catch (IOException ioe) {
            }
    }
    if (_log.shouldLog(Log.DEBUG))
        _log.debug("Send " + _sendSize + "KB to " + peer.calculateHash().toBase64());
    while (true) {
        try {
            I2PSocket sock = mgr.connect(peer);
            byte[] buf = new byte[Math.min(32 * 1024, _sendSize * 1024)];
            Random rand = new Random();
            OutputStream out = sock.getOutputStream();
            long beforeSending = System.currentTimeMillis();
            for (int i = 0; (_sendSize < 0) || (i < _sendSize); i += buf.length / 1024) {
                rand.nextBytes(buf);
                out.write(buf);
                if (_log.shouldLog(Log.DEBUG))
                    _log.debug("Wrote " + ((1 + i * buf.length) / 1024) + "/" + _sendSize + "KB");
                if (_writeDelay > 0) {
                    try {
                        Thread.sleep(_writeDelay);
                    } catch (InterruptedException ie) {
                    }
                }
            }
            sock.close();
            long afterSending = System.currentTimeMillis();
            if (_log.shouldLog(Log.DEBUG))
                _log.debug("Sent " + _sendSize + "KB in " + (afterSending - beforeSending) + "ms");
        } catch (InterruptedIOException iie) {
            _log.error("Timeout connecting to the peer", iie);
        // return;
        } catch (NoRouteToHostException nrthe) {
            _log.error("Unable to connect to the peer", nrthe);
        // return;
        } catch (ConnectException ce) {
            _log.error("Connection already dropped", ce);
        // return;
        } catch (I2PException ie) {
            _log.error("Error connecting to the peer", ie);
            return;
        } catch (IOException ioe) {
            _log.error("IO error sending", ioe);
            return;
        }
    }
}

Example 77 with Destination

use of net.i2p.data.Destination in project i2p.i2p by i2p.

the class TestSwarm method connectWithPeers.

private void connectWithPeers() {
    if (_peerDestFiles != null) {
        for (int i = 0; i < _peerDestFiles.length; i++) {
            try {
                FileInputStream fin = new FileInputStream(_peerDestFiles[i]);
                Destination dest = new Destination();
                dest.readBytes(fin);
                I2PThread flooder = new I2PThread(new Flooder(dest), "Flooder+" + dest.calculateHash().toBase64().substring(0, 4));
                flooder.start();
            } catch (Exception e) {
                _log.error("Unable to read the peer from " + _peerDestFiles[i], e);
            }
        }
    }
}

Example 78 with Destination

use of net.i2p.data.Destination in project i2p.i2p by i2p.

the class GeneralHelper method getDestination.

/**
 *  Works even if tunnel is not running.
 *  @return Destination or null
 */
public Destination getDestination(int tunnel) {
    TunnelController tun = getController(tunnel);
    if (tun != null) {
        Destination rv = tun.getDestination();
        if (rv != null)
            return rv;
        // if not running, do this the hard way
        File keyFile = tun.getPrivateKeyFile();
        if (keyFile != null) {
            PrivateKeyFile pkf = new PrivateKeyFile(keyFile);
            try {
                rv = pkf.getDestination();
                if (rv != null)
                    return rv;
            } catch (I2PException e) {
            } catch (IOException e) {
            }
        }
    }
    return null;
}

Example 79 with Destination

use of net.i2p.data.Destination in project i2p.i2p by i2p.

the class LocalHTTPServer method serveLocalFile.

/**
 *  Very simple web server.
 *
 *  Serve local files in the docs/ directory, for CSS and images in
 *  error pages, using the reserved address proxy.i2p
 *  (similar to p.p in privoxy).
 *  This solves the problems with including links to the router console,
 *  as assuming the router console is at 127.0.0.1 leads to broken
 *  links if it isn't.
 *
 *  Ignore all request headers (If-Modified-Since, etc.)
 *
 *  There is basic protection here -
 *  FileUtil.readFile() prevents traversal above the base directory -
 *  but inproxy/gateway ops would be wise to block proxy.i2p to prevent
 *  exposing the docs/ directory or perhaps other issues through
 *  uncaught vulnerabilities.
 *  Restrict to the /themes/ directory for now.
 *
 *  @param targetRequest decoded path only, non-null
 *  @param query raw (encoded), may be null
 */
public static void serveLocalFile(OutputStream out, String method, String targetRequest, String query, String proxyNonce) throws IOException {
    // a home page message for the curious...
    if (targetRequest.equals("/")) {
        out.write(OK.getBytes("UTF-8"));
        out.flush();
        return;
    }
    if ((method.equals("GET") || method.equals("HEAD")) && targetRequest.startsWith("/themes/") && !targetRequest.contains("..")) {
        String filename = null;
        try {
            // "/themes/".length
            filename = targetRequest.substring(8);
        } catch (IndexOutOfBoundsException ioobe) {
            return;
        }
        // theme hack
        if (filename.startsWith("console/default/"))
            filename = filename.replaceFirst("default", I2PAppContext.getGlobalContext().getProperty("routerconsole.theme", "light"));
        File themesDir = new File(I2PAppContext.getGlobalContext().getBaseDir(), "docs/themes");
        File file = new File(themesDir, filename);
        if (file.exists() && !file.isDirectory()) {
            String type;
            if (filename.endsWith(".css"))
                type = "text/css";
            else if (filename.endsWith(".ico"))
                type = "image/x-icon";
            else if (filename.endsWith(".png"))
                type = "image/png";
            else if (filename.endsWith(".jpg"))
                type = "image/jpeg";
            else
                type = "text/html";
            out.write("HTTP/1.1 200 OK\r\nContent-Type: ".getBytes("UTF-8"));
            out.write(type.getBytes("UTF-8"));
            out.write("\r\nCache-Control: max-age=86400\r\nConnection: close\r\nProxy-Connection: close\r\n\r\n".getBytes("UTF-8"));
            FileUtil.readFile(filename, themesDir.getAbsolutePath(), out);
            return;
        }
    }
    // Do the add and redirect.
    if (targetRequest.equals("/add")) {
        if (query == null) {
            out.write(ERR_ADD.getBytes("UTF-8"));
            return;
        }
        Map<String, String> opts = new HashMap<String, String>(8);
        // this only works if all keys are followed by =value
        StringTokenizer tok = new StringTokenizer(query, "=&;");
        while (tok.hasMoreTokens()) {
            String k = tok.nextToken();
            if (!tok.hasMoreTokens())
                break;
            String v = tok.nextToken();
            opts.put(decode(k), decode(v));
        }
        String url = opts.get("url");
        String host = opts.get("host");
        String b64Dest = opts.get("dest");
        String nonce = opts.get("nonce");
        String referer = opts.get("referer");
        String book = "privatehosts.txt";
        if (opts.get("master") != null)
            book = "userhosts.txt";
        else if (opts.get("router") != null)
            book = "hosts.txt";
        Destination dest = null;
        if (b64Dest != null) {
            try {
                dest = new Destination(b64Dest);
            } catch (DataFormatException dfe) {
                System.err.println("Bad dest to save?" + b64Dest);
            }
        }
        // System.err.println("nonce        : \"" + nonce         + "\"");
        if (proxyNonce.equals(nonce) && url != null && host != null && dest != null) {
            NamingService ns = I2PAppContext.getGlobalContext().namingService();
            Properties nsOptions = new Properties();
            nsOptions.setProperty("list", book);
            if (referer != null && referer.startsWith("http")) {
                String ref = DataHelper.escapeHTML(referer);
                String from = "<a href=\"" + ref + "\">" + ref + "</a>";
                nsOptions.setProperty("s", _t("Added via address helper from {0}", from));
            } else {
                nsOptions.setProperty("s", _t("Added via address helper"));
            }
            boolean success = ns.put(host, dest, nsOptions);
            writeRedirectPage(out, success, host, book, url);
            return;
        }
        out.write(ERR_ADD.getBytes("UTF-8"));
    } else {
        out.write(ERR_404.getBytes("UTF-8"));
    }
    out.flush();
}

Example 80 with Destination

use of net.i2p.data.Destination in project i2p.i2p by i2p.

the class SOCKS5Server method getDestinationI2PSocket.

/**
 * Get an I2PSocket that can be used to send/receive 8-bit clean data
 * to/from the destination of the SOCKS connection.
 *
 * @return an I2PSocket connected with the destination
 */
public I2PSocket getDestinationI2PSocket(I2PSOCKSTunnel t) throws SOCKSException {
    setupServer();
    if (connHostName == null) {
        _log.error("BUG: destination host name has not been initialized!");
        throw new SOCKSException("BUG! See the logs!");
    }
    if (connPort == 0) {
        _log.error("BUG: destination port has not been initialized!");
        throw new SOCKSException("BUG! See the logs!");
    }
    // for errors
    DataOutputStream out;
    try {
        out = new DataOutputStream(clientSock.getOutputStream());
    } catch (IOException e) {
        throw new SOCKSException("Connection error", e);
    }
    // FIXME: here we should read our config file, select an
    // outproxy, and instantiate the proper socket class that
    // handles the outproxy itself (SOCKS4a, SOCKS5, HTTP CONNECT...).
    I2PSocket destSock;
    try {
        if (connHostName.toLowerCase(Locale.US).endsWith(".i2p")) {
            // Let's not do a new Dest for every request, huh?
            // I2PSocketManager sm = I2PSocketManagerFactory.createManager();
            // destSock = sm.connect(I2PTunnel.destFromName(connHostName), null);
            Destination dest = _context.namingService().lookup(connHostName);
            if (dest == null) {
                try {
                    sendRequestReply(Reply.HOST_UNREACHABLE, AddressType.DOMAINNAME, null, "0.0.0.0", 0, out);
                } catch (IOException ioe) {
                }
                throw new SOCKSException("Host not found");
            }
            if (_log.shouldDebug())
                _log.debug("connecting to " + connHostName + "...");
            Properties overrides = new Properties();
            I2PSocketOptions sktOpts = t.buildOptions(overrides);
            sktOpts.setPort(connPort);
            destSock = t.createI2PSocket(dest, sktOpts);
        } else if ("localhost".equals(connHostName) || "127.0.0.1".equals(connHostName)) {
            String err = "No localhost accesses allowed through the Socks Proxy";
            _log.error(err);
            try {
                sendRequestReply(Reply.CONNECTION_NOT_ALLOWED_BY_RULESET, AddressType.DOMAINNAME, null, "0.0.0.0", 0, out);
            } catch (IOException ioe) {
            }
            throw new SOCKSException(err);
        /**
         **
         *            } else if (connPort == 80) {
         *                // rewrite GET line to include hostname??? or add Host: line???
         *                // or forward to local eepProxy (but that's a Socket not an I2PSocket)
         *                // use eepProxy configured outproxies?
         *                String err = "No handler for HTTP outproxy implemented";
         *                _log.error(err);
         *                try {
         *                    sendRequestReply(Reply.CONNECTION_NOT_ALLOWED_BY_RULESET, AddressType.DOMAINNAME, null, "0.0.0.0", 0, out);
         *                } catch (IOException ioe) {}
         *                throw new SOCKSException(err);
         ***
         */
        } else {
            Outproxy outproxy = getOutproxyPlugin();
            if (outproxy != null) {
                // but here, we wrap a Socket in a I2PSocket and use the regular Runner.
                try {
                    destSock = new SocketWrapper(outproxy.connect(connHostName, connPort));
                } catch (IOException ioe) {
                    try {
                        sendRequestReply(Reply.HOST_UNREACHABLE, AddressType.DOMAINNAME, null, "0.0.0.0", 0, out);
                    } catch (IOException ioe2) {
                    }
                    throw new SOCKSException("connect failed via outproxy plugin", ioe);
                }
            } else {
                List<String> proxies = t.getProxies(connPort);
                if (proxies == null || proxies.isEmpty()) {
                    String err = "No outproxy configured for port " + connPort + " and no default configured either";
                    _log.error(err);
                    try {
                        sendRequestReply(Reply.CONNECTION_NOT_ALLOWED_BY_RULESET, AddressType.DOMAINNAME, null, "0.0.0.0", 0, out);
                    } catch (IOException ioe) {
                    }
                    throw new SOCKSException(err);
                }
                int p = _context.random().nextInt(proxies.size());
                String proxy = proxies.get(p);
                if (_log.shouldLog(Log.DEBUG))
                    _log.debug("connecting to proxy " + proxy + " for " + connHostName + " port " + connPort);
                try {
                    destSock = outproxyConnect(t, proxy);
                } catch (SOCKSException se) {
                    try {
                        sendRequestReply(Reply.HOST_UNREACHABLE, AddressType.DOMAINNAME, null, "0.0.0.0", 0, out);
                    } catch (IOException ioe) {
                    }
                    throw se;
                }
            }
        }
        confirmConnection();
        _log.debug("connection confirmed - exchanging data...");
    } catch (DataFormatException e) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("socks error", e);
        try {
            sendRequestReply(Reply.HOST_UNREACHABLE, AddressType.DOMAINNAME, null, "0.0.0.0", 0, out);
        } catch (IOException ioe) {
        }
        throw new SOCKSException("Error in destination format");
    } catch (IOException e) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("socks error", e);
        try {
            sendRequestReply(Reply.HOST_UNREACHABLE, AddressType.DOMAINNAME, null, "0.0.0.0", 0, out);
        } catch (IOException ioe) {
        }
        throw new SOCKSException("Connection error", e);
    } catch (I2PException e) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("socks error", e);
        try {
            sendRequestReply(Reply.HOST_UNREACHABLE, AddressType.DOMAINNAME, null, "0.0.0.0", 0, out);
        } catch (IOException ioe) {
        }
        throw new SOCKSException("Connection error", e);
    }
    return destSock;
}