Examples with SessionId net.i2p.data.i2cp.SessionId used on opensource projects

Example 21 with SessionId

use of net.i2p.data.i2cp.SessionId in project i2p.i2p by i2p.

the class ClientManager method destinationEstablished.

/**
 *  Add to the clients list. Check for a dup destination.
 *  Side effect: Sets the session ID of the runner.
 *  Caller must call runner.disconnectClient() on failure.
 *
 *  @return SessionStatusMessage return code, 1 for success, != 1 for failure
 */
public int destinationEstablished(ClientConnectionRunner runner, Destination dest) {
    if (_log.shouldLog(Log.DEBUG))
        _log.debug("DestinationEstablished called for destination " + dest.toBase32());
    synchronized (_pendingRunners) {
        _pendingRunners.remove(runner);
    }
    int rv;
    synchronized (_runners) {
        boolean fail = _runnersByHash.containsKey(dest.calculateHash());
        if (fail) {
            rv = SessionStatusMessage.STATUS_INVALID;
        } else {
            SessionId id = locked_getNextSessionId();
            if (id != null) {
                Hash h = dest.calculateHash();
                runner.setSessionId(h, id);
                _runners.put(dest, runner);
                _runnersByHash.put(h, runner);
                rv = SessionStatusMessage.STATUS_CREATED;
            } else {
                rv = SessionStatusMessage.STATUS_REFUSED;
            }
        }
    }
    if (rv == SessionStatusMessage.STATUS_INVALID) {
        _log.log(Log.CRIT, "Client attempted to register duplicate destination " + dest.toBase32());
    } else if (rv == SessionStatusMessage.STATUS_REFUSED) {
        _log.error("Max sessions exceeded " + dest.toBase32());
    }
    return rv;
}

Example 22 with SessionId

use of net.i2p.data.i2cp.SessionId in project i2p.i2p by i2p.

the class ClientMessageEventListener method handleCreateLeaseSet.

/**
 * override for testing
 */
protected void handleCreateLeaseSet(CreateLeaseSetMessage message) {
    if ((message.getLeaseSet() == null) || (message.getPrivateKey() == null) || (message.getSigningPrivateKey() == null)) {
        if (_log.shouldLog(Log.ERROR))
            _log.error("Null lease set granted: " + message);
        _runner.disconnectClient("Invalid CreateLeaseSetMessage");
        return;
    }
    SessionId id = message.getSessionId();
    SessionConfig cfg = _runner.getConfig(id);
    if (cfg == null) {
        List<SessionId> current = _runner.getSessionIds();
        String msg = "CreateLeaseSet invalid session: " + id + " current: " + current;
        if (_log.shouldLog(Log.ERROR))
            _log.error(msg);
        _runner.disconnectClient(msg);
        return;
    }
    Destination dest = cfg.getDestination();
    Destination ndest = message.getLeaseSet().getDestination();
    if (!dest.equals(ndest)) {
        if (_log.shouldLog(Log.ERROR))
            _log.error("Different destination in LS");
        _runner.disconnectClient("Different destination in LS");
        return;
    }
    LeaseSetKeys keys = _context.keyManager().getKeys(dest);
    if (keys == null || !message.getPrivateKey().equals(keys.getDecryptionKey())) {
        // Verify and register crypto keys if new or if changed
        // Private crypto key should never change, and if it does,
        // one of the checks below will fail
        PublicKey pk;
        try {
            pk = message.getPrivateKey().toPublic();
        } catch (IllegalArgumentException iae) {
            if (_log.shouldLog(Log.ERROR))
                _log.error("Bad private key in LS");
            _runner.disconnectClient("Bad private key in LS");
            return;
        }
        if (!pk.equals(message.getLeaseSet().getEncryptionKey())) {
            if (_log.shouldLog(Log.ERROR))
                _log.error("Private/public crypto key mismatch in LS");
            _runner.disconnectClient("Private/public crypto key mismatch in LS");
            return;
        }
        // just register new SPK, don't verify, unused
        _context.keyManager().registerKeys(dest, message.getSigningPrivateKey(), message.getPrivateKey());
    } else if (!message.getSigningPrivateKey().equals(keys.getRevocationKey())) {
        // just register new SPK, don't verify, unused
        _context.keyManager().registerKeys(dest, message.getSigningPrivateKey(), message.getPrivateKey());
    }
    try {
        _context.netDb().publish(message.getLeaseSet());
    } catch (IllegalArgumentException iae) {
        if (_log.shouldLog(Log.ERROR))
            _log.error("Invalid leaseset from client", iae);
        _runner.disconnectClient("Invalid leaseset: " + iae);
        return;
    }
    if (_log.shouldLog(Log.INFO))
        _log.info("New lease set granted for destination " + dest);
    // leaseSetCreated takes care of all the LeaseRequestState stuff (including firing any jobs)
    _runner.leaseSetCreated(message.getLeaseSet());
}

Example 23 with SessionId

use of net.i2p.data.i2cp.SessionId in project i2p.i2p by i2p.

the class ClientMessageEventListener method handleReconfigureSession.

/**
 * Message's Session ID ignored. This doesn't support removing previously set options.
 * Nor do we bother with message.getSessionConfig().verifySignature() ... should we?
 * Nor is the Date checked.
 *
 * Note that this does NOT update the few options handled in
 * ClientConnectionRunner.sessionEstablished(). Those can't be changed later.
 *
 * Defaults in SessionConfig options are, in general, NOT honored.
 * In-JVM client side must promote defaults to the primary map.
 */
private void handleReconfigureSession(ReconfigureSessionMessage message) {
    SessionId id = message.getSessionId();
    SessionConfig cfg = _runner.getConfig(id);
    if (cfg == null) {
        List<SessionId> current = _runner.getSessionIds();
        String msg = "ReconfigureSession invalid session: " + id + " current: " + current;
        if (_log.shouldLog(Log.ERROR))
            _log.error(msg);
        // sendStatusMessage(id, SessionStatusMessage.STATUS_INVALID);
        _runner.disconnectClient(msg);
        return;
    }
    if (_log.shouldLog(Log.INFO))
        _log.info("Updating options - old: " + cfg + " new: " + message.getSessionConfig());
    if (!message.getSessionConfig().getDestination().equals(cfg.getDestination())) {
        _log.error("Dest mismatch");
        sendStatusMessage(id, SessionStatusMessage.STATUS_INVALID);
        _runner.stopRunning();
        return;
    }
    Hash dest = cfg.getDestination().calculateHash();
    cfg.getOptions().putAll(message.getSessionConfig().getOptions());
    ClientTunnelSettings settings = new ClientTunnelSettings(dest);
    Properties props = new Properties();
    props.putAll(cfg.getOptions());
    settings.readFromProperties(props);
    _context.tunnelManager().setInboundSettings(dest, settings.getInboundSettings());
    _context.tunnelManager().setOutboundSettings(dest, settings.getOutboundSettings());
    sendStatusMessage(id, SessionStatusMessage.STATUS_UPDATED);
}

Example 24 with SessionId

use of net.i2p.data.i2cp.SessionId in project i2p.i2p by i2p.

the class MessageReceivedJob method messageAvailable.

/**
 * Deliver notification to the client that the given message is available.
 */
private void messageAvailable(MessageId id, long size) throws I2CPMessageException {
    // if (_log.shouldLog(Log.DEBUG))
    // _log.debug("Sending message available: " + id + " to sessionId " + _runner.getSessionId()
    // + " (with nonce=1)", new Exception("available"));
    MessageStatusMessage msg = new MessageStatusMessage();
    msg.setMessageId(id.getMessageId());
    SessionId sid = _runner.getSessionId(_toDest.calculateHash());
    if (sid == null) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("No session for " + _toDest.calculateHash());
        return;
    }
    msg.setSessionId(sid.getSessionId());
    msg.setSize(size);
    // has to be >= 0, it is initialized to -1
    msg.setNonce(1);
    msg.setStatus(MessageStatusMessage.STATUS_AVAILABLE);
    _runner.doSend(msg);
}