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

Example 6 with DataFormatException

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

the class KRPC method messageAvailable.

// I2PSessionMuxedListener interface ----------------
/**
 * Instruct the client that the given session has received a message
 *
 * Will be called only if you register via addMuxedSessionListener().
 * Will be called only for the proto(s) and toPort(s) you register for.
 *
 * @param session session to notify
 * @param msgId message number available
 * @param size size of the message - why it's a long and not an int is a mystery
 * @param proto 1-254 or 0 for unspecified
 * @param fromPort 1-65535 or 0 for unspecified
 * @param toPort 1-65535 or 0 for unspecified
 */
public void messageAvailable(I2PSession session, int msgId, long size, int proto, int fromPort, int toPort) {
    // TODO throttle
    try {
        byte[] payload = session.receiveMessage(msgId);
        if (payload == null)
            return;
        _rxPkts.incrementAndGet();
        _rxBytes.addAndGet(payload.length);
        if (toPort == _qPort) {
            // repliable
            I2PDatagramDissector dgDiss = new I2PDatagramDissector();
            dgDiss.loadI2PDatagram(payload);
            payload = dgDiss.getPayload();
            Destination from = dgDiss.getSender();
            // TODO per-dest throttle
            receiveMessage(from, fromPort, payload);
        } else if (toPort == _rPort) {
            // raw
            receiveMessage(null, fromPort, payload);
        } else {
            if (_log.shouldLog(Log.WARN))
                _log.warn("msg on bad port");
        }
    } catch (DataFormatException e) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("bad msg");
    } catch (I2PInvalidDatagramException e) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("bad msg");
    } catch (I2PSessionException e) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("bad msg");
    }
}

Example 7 with DataFormatException

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

the class PluginUpdateRunner method processSUD.

/**
 *  @since 0.9.15
 *  @return success
 */
private void processSUD(File f, File appDir, String url) {
    TrustedUpdate up = new TrustedUpdate(_context);
    File to = new File(_context.getTempDir(), "tmp" + _context.random().nextInt() + ZIP);
    // extract to a zip file whether the sig is good or not, so we can get the properties file
    String err = up.migrateFile(f, to);
    if (err != null) {
        statusDone("<b>" + err + ' ' + _t("from {0}", url) + " </b>");
        f.delete();
        to.delete();
        return;
    }
    Properties props = getPluginConfig(f, to, url);
    if (props == null)
        return;
    // ok, now we check sigs and deal with a bad sig
    String pubkey = props.getProperty("key");
    String signer = DataHelper.stripHTML(props.getProperty("signer"));
    if (pubkey == null || signer == null || pubkey.length() != 172 || signer.length() <= 0) {
        f.delete();
        to.delete();
        // updateStatus("<b>" + "Plugin contains an invalid key" + ' ' + pubkey + ' ' + signer + "</b>");
        statusDone("<b>" + _t("Plugin from {0} contains an invalid key", url) + "</b>");
        return;
    }
    SigningPublicKey spk;
    try {
        spk = new SigningPublicKey(pubkey);
    } catch (DataFormatException dfe) {
        f.delete();
        to.delete();
        statusDone("<b>" + _t("Plugin from {0} contains an invalid key", url) + "</b>");
        return;
    }
    // add all existing plugin keys, so any conflicts with existing keys
    // will be discovered and rejected
    Map<String, String> existingKeys = PluginStarter.getPluginKeys(_context);
    for (Map.Entry<String, String> e : existingKeys.entrySet()) {
        // ignore dups/bad keys
        up.addKey(e.getKey(), e.getValue());
    }
    // add all trusted plugin keys, so any conflicts with trusted keys
    // will be discovered and rejected
    Map<String, String> trustedKeys = TrustedPluginKeys.getKeys();
    for (Map.Entry<String, String> e : trustedKeys.entrySet()) {
        // ignore dups/bad keys
        up.addKey(e.getKey(), e.getValue());
    }
    if (up.haveKey(pubkey)) {
        // the key is already in the TrustedUpdate keyring
        // verify the sig and verify that it is signed by the signer in the plugin.config file
        // Allow "" as the previously-known signer
        boolean ok = up.verify(f, spk);
        String signingKeyName = up.getKeys().get(spk);
        if ((!ok) || !(signer.equals(signingKeyName) || "".equals(signingKeyName))) {
            f.delete();
            to.delete();
            if (signingKeyName == null)
                _log.error("Failed to verify plugin signature, corrupt plugin or bad signature, signed by: " + signer);
            else
                _log.error("Plugin signer \"" + signer + "\" does not match existing signer in plugin.config file \"" + signingKeyName + "\"");
            statusDone("<b>" + _t("Plugin signature verification of {0} failed", url) + "</b>");
            return;
        }
    } else if (_context.getBooleanProperty(PROP_ALLOW_NEW_KEYS)) {
        // add to keyring...
        if (!up.addKey(pubkey, signer)) {
            // bad or duplicate key
            f.delete();
            to.delete();
            _log.error("Bad key or key mismatch - Failed to add plugin key \"" + pubkey + "\" for plugin signer \"" + signer + "\"");
            statusDone("<b>" + _t("Plugin signature verification of {0} failed", url) + "</b>");
            return;
        }
        // ...and try the verify again
        // verify the sig and verify that it is signed by the signer in the plugin.config file
        String signingKeyName = up.verifyAndGetSigner(f);
        if (!signer.equals(signingKeyName)) {
            f.delete();
            to.delete();
            if (signingKeyName == null)
                _log.error("Failed to verify plugin signature, corrupt plugin or bad signature, signed by: " + signer);
            else
                // shouldn't happen
                _log.error("Plugin signer \"" + signer + "\" does not match new signer in plugin.config file \"" + signingKeyName + "\"");
            statusDone("<b>" + _t("Plugin signature verification of {0} failed", url) + "</b>");
            return;
        }
    } else {
        // unknown key
        f.delete();
        to.delete();
        _log.error("Untrusted plugin key \"" + pubkey + "\" for plugin signer \"" + signer + "\"");
        // don't display signer, we're really checking the key not the signer name
        statusDone("<b>" + _t("Plugin not installed - signer is untrusted") + "</b>");
        return;
    }
    String sudVersion = TrustedUpdate.getVersionString(f);
    f.delete();
    processFinal(to, appDir, url, props, sudVersion, pubkey, signer);
}

Example 8 with DataFormatException

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

the class StreamSinkSend method runClient.

/**
 * Actually connect and run the client - this call blocks until completion.
 */
public void runClient() {
    I2PSocketManager 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) {
            }
    }
    System.out.println("Send " + _sendFile + " to " + peer.calculateHash().toBase64());
    try {
        I2PSocket sock = mgr.connect(peer);
        byte[] buf = new byte[32 * 1024];
        OutputStream out = sock.getOutputStream();
        long beforeSending = System.currentTimeMillis();
        fis = new FileInputStream(_sendFile);
        long size = 0;
        while (true) {
            int read = fis.read(buf);
            if (read < 0)
                break;
            out.write(buf, 0, read);
            size += read;
            if (_log.shouldLog(Log.DEBUG))
                _log.debug("Wrote " + read);
            if (_writeDelay > 0) {
                try {
                    Thread.sleep(_writeDelay);
                } catch (InterruptedException ie) {
                }
            }
        }
        fis.close();
        sock.close();
        long afterSending = System.currentTimeMillis();
        System.out.println("Sent " + (size / 1024) + "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 9 with DataFormatException

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

the class StreamSinkServer method runServer.

/**
 * Actually fire up the server - this call blocks forever (or until the server
 * socket closes)
 */
public void runServer() {
    I2PSocketManager mgr = null;
    if (_i2cpHost != null)
        mgr = I2PSocketManagerFactory.createManager(_i2cpHost, _i2cpPort, new Properties());
    else
        mgr = I2PSocketManagerFactory.createManager();
    Destination dest = mgr.getSession().getMyDestination();
    if (_log.shouldLog(Log.INFO))
        _log.info("Listening for connections on: " + dest.calculateHash().toBase64());
    FileOutputStream fos = null;
    try {
        fos = new FileOutputStream(_destFile);
        dest.writeBytes(fos);
    } catch (IOException ioe) {
        _log.error("Error writing out our destination to " + _destFile, ioe);
        return;
    } catch (DataFormatException dfe) {
        _log.error("Error formatting the destination", dfe);
        return;
    } finally {
        if (fos != null)
            try {
                fos.close();
            } catch (IOException ioe) {
            }
    }
    I2PServerSocket sock = mgr.getServerSocket();
    startup(sock);
}

Example 10 with DataFormatException

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

the class SU3File method verifyHeader.

/**
 *  This does not check the signature, but it will fail if the signer is unknown,
 *  unless setVerifySignature(false) has been called.
 *
 *  Throws IOE if verify vails.
 */
public void verifyHeader() throws IOException {
    if (_headerVerified)
        return;
    InputStream in = null;
    try {
        in = new FileInputStream(_file);
        verifyHeader(in);
    } catch (DataFormatException dfe) {
        IOException ioe = new IOException("foo");
        ioe.initCause(dfe);
        throw ioe;
    } finally {
        if (in != null)
            try {
                in.close();
            } catch (IOException ioe) {
            }
    }
}