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

Example 56 with Destination

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

the class ClientMessageEventListener method handleCreateSession.

/**
 * Handle a CreateSessionMessage.
 * On errors, we could perhaps send a SessionStatusMessage with STATUS_INVALID before
 * sending the DisconnectMessage... but right now the client will send _us_ a
 * DisconnectMessage in return, and not wait around for our DisconnectMessage.
 * So keep it simple.
 *
 * Defaults in SessionConfig options are, in general, NOT honored.
 * In-JVM client side must promote defaults to the primary map.
 */
private void handleCreateSession(CreateSessionMessage message) {
    SessionConfig in = message.getSessionConfig();
    Destination dest = in.getDestination();
    if (in.verifySignature()) {
        if (_log.shouldLog(Log.DEBUG))
            _log.debug("Signature verified correctly on create session message");
    } else {
        // For now, we do NOT send a SessionStatusMessage - see javadoc above
        int itype = dest.getCertificate().getCertificateType();
        SigType stype = SigType.getByCode(itype);
        if (stype == null || !stype.isAvailable()) {
            _log.error("Client requested unsupported signature type " + itype);
            _runner.disconnectClient("Unsupported signature type " + itype);
        } else if (in.tooOld()) {
            long skew = _context.clock().now() - in.getCreationDate().getTime();
            String msg = "Create session message client clock skew? ";
            if (skew >= 0)
                msg += DataHelper.formatDuration(skew) + " in the past";
            else
                msg += DataHelper.formatDuration(0 - skew) + " in the future";
            _log.error(msg);
            _runner.disconnectClient(msg);
        } else {
            _log.error("Signature verification failed on a create session message");
            _runner.disconnectClient("Invalid signature on CreateSessionMessage");
        }
        return;
    }
    // Auth, since 0.8.2
    Properties inProps = in.getOptions();
    if (!checkAuth(inProps))
        return;
    SessionId id = _runner.getSessionId(dest.calculateHash());
    if (id != null) {
        _runner.disconnectClient("Already have session " + id);
        return;
    }
    // Copy over the whole config structure so we don't later corrupt it on
    // the client side if we change settings or later get a
    // ReconfigureSessionMessage
    SessionConfig cfg = new SessionConfig(dest);
    cfg.setSignature(in.getSignature());
    Properties props = new Properties();
    boolean isPrimary = _runner.getSessionIds().isEmpty();
    if (!isPrimary) {
        // all the primary options, then the overrides from the alias
        SessionConfig pcfg = _runner.getPrimaryConfig();
        if (pcfg != null) {
            props.putAll(pcfg.getOptions());
        } else {
            _log.error("no primary config?");
        }
    }
    props.putAll(inProps);
    cfg.setOptions(props);
    // this sets the session id
    int status = _runner.sessionEstablished(cfg);
    if (status != SessionStatusMessage.STATUS_CREATED) {
        // For now, we do NOT send a SessionStatusMessage - see javadoc above
        if (_log.shouldLog(Log.ERROR))
            _log.error("Session establish failed: code = " + status);
        String msg;
        if (status == SessionStatusMessage.STATUS_INVALID)
            msg = "duplicate destination";
        else if (status == SessionStatusMessage.STATUS_REFUSED)
            msg = "session limit exceeded";
        else
            msg = "unknown error";
        _runner.disconnectClient(msg);
        return;
    }
    // get the new session ID
    id = _runner.getSessionId(dest.calculateHash());
    if (_log.shouldLog(Log.INFO))
        _log.info("Session " + id + " established for " + dest.calculateHash());
    if (isPrimary) {
        sendStatusMessage(id, status);
        startCreateSessionJob(cfg);
    } else {
        SessionConfig pcfg = _runner.getPrimaryConfig();
        if (pcfg != null) {
            ClientTunnelSettings settings = new ClientTunnelSettings(dest.calculateHash());
            settings.readFromProperties(props);
            // addAlias() sends the create lease set msg, so we have to send the SMS first
            sendStatusMessage(id, status);
            boolean ok = _context.tunnelManager().addAlias(dest, settings, pcfg.getDestination());
            if (!ok) {
                _log.error("Add alias failed");
            // FIXME cleanup
            }
        } else {
            _log.error("no primary config?");
            status = SessionStatusMessage.STATUS_INVALID;
            sendStatusMessage(id, status);
        // FIXME cleanup
        }
    }
}

Example 57 with Destination

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

the class LookupDestJob method runJob.

public void runJob() {
    if (_name != null) {
        // inline, ignore timeout
        Destination d = getContext().namingService().lookup(_name);
        if (d != null)
            returnDest(d);
        else
            returnFail();
    } else {
        DoneJob done = new DoneJob(getContext());
        getContext().netDb().lookupDestination(_hash, done, _timeout, _fromLocalDest);
    }
}

Example 58 with Destination

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

the class LocalClientMessageEventListener method handleDestLookup.

/**
 *  Look only in current local dests
 */
@Override
protected void handleDestLookup(DestLookupMessage message) {
    Hash h = message.getHash();
    DestReplyMessage msg;
    Destination d = ((LocalClientConnectionRunner) _runner).localLookup(h);
    if (d != null)
        msg = new DestReplyMessage(d);
    else
        msg = new DestReplyMessage(h);
    try {
        _runner.doSend(msg);
    } catch (I2CPMessageException ime) {
        ime.printStackTrace();
    }
}

Example 59 with Destination

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

the class KademliaNetworkDatabaseFacade method processStoreFailure.

/**
 *  If the validate fails, call this
 *  to determine if it was because of unsupported crypto.
 *
 *  If so, this will banlist-forever the router hash or permanently negative cache the dest hash,
 *  and then throw the exception. Otherwise it does nothing.
 *
 *  @throws UnsupportedCryptoException if that's why it failed.
 *  @since 0.9.16
 */
private void processStoreFailure(Hash h, DatabaseEntry entry) throws UnsupportedCryptoException {
    if (entry.getHash().equals(h)) {
        if (entry.getType() == DatabaseEntry.KEY_TYPE_LEASESET) {
            LeaseSet ls = (LeaseSet) entry;
            Destination d = ls.getDestination();
            Certificate c = d.getCertificate();
            if (c.getCertificateType() == Certificate.CERTIFICATE_TYPE_KEY) {
                try {
                    KeyCertificate kc = c.toKeyCertificate();
                    SigType type = kc.getSigType();
                    if (type == null || !type.isAvailable() || type.getBaseAlgorithm() == SigAlgo.RSA) {
                        failPermanently(d);
                        String stype = (type != null) ? type.toString() : Integer.toString(kc.getSigTypeCode());
                        if (_log.shouldLog(Log.WARN))
                            _log.warn("Unsupported sig type " + stype + " for destination " + h);
                        throw new UnsupportedCryptoException("Sig type " + stype);
                    }
                } catch (DataFormatException dfe) {
                }
            }
        } else if (entry.getType() == DatabaseEntry.KEY_TYPE_ROUTERINFO) {
            RouterInfo ri = (RouterInfo) entry;
            RouterIdentity id = ri.getIdentity();
            Certificate c = id.getCertificate();
            if (c.getCertificateType() == Certificate.CERTIFICATE_TYPE_KEY) {
                try {
                    KeyCertificate kc = c.toKeyCertificate();
                    SigType type = kc.getSigType();
                    if (type == null || !type.isAvailable()) {
                        String stype = (type != null) ? type.toString() : Integer.toString(kc.getSigTypeCode());
                        _context.banlist().banlistRouterForever(h, "Unsupported signature type " + stype);
                        if (_log.shouldLog(Log.WARN))
                            _log.warn("Unsupported sig type " + stype + " for router " + h);
                        throw new UnsupportedCryptoException("Sig type " + stype);
                    }
                } catch (DataFormatException dfe) {
                }
            }
        }
    }
    if (_log.shouldLog(Log.WARN))
        _log.warn("Verify fail, cause unknown: " + entry);
}

Example 60 with Destination

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

the class KademliaDHT method findDeleteAuthorizationKey.

@Override
public UniqueId findDeleteAuthorizationKey(Hash dhtKey, Hash verificationHash) throws InterruptedException {
    final Collection<Destination> closeNodes = getClosestNodes(dhtKey);
    log.info("Querying " + closeNodes.size() + " peers with DeletionQueries for Kademlia key " + dhtKey);
    DhtStorageHandler storageHandler = storageHandlers.get(EncryptedEmailPacket.class);
    if (storageHandler instanceof DeletionAwareDhtFolder) {
        DeletionAwareDhtFolder<?> folder = (DeletionAwareDhtFolder<?>) storageHandler;
        UniqueId delAuthorization = folder.getDeleteAuthorization(dhtKey);
        if (delAuthorization != null)
            return delAuthorization;
    } else
        log.error("StorageHandler for EncryptedEmailPackets is not a DeletionAwareDhtFolder!");
    // Send the DeletionQueries
    PacketBatch batch = new PacketBatch();
    for (Destination node : closeNodes) if (// local has already been taken care of
    !localDestination.equals(node))
        batch.putPacket(new DeletionQuery(dhtKey), node);
    sendQueue.send(batch);
    batch.awaitSendCompletion();
    // wait for replies
    batch.awaitFirstReply(RESPONSE_TIMEOUT, TimeUnit.SECONDS);
    log.info(batch.getResponses().size() + " response packets received for deletion query for hash " + dhtKey);
    sendQueue.remove(batch);
    Map<Destination, DataPacket> responses = batch.getResponses();
    for (DataPacket response : responses.values()) if (response instanceof DeletionInfoPacket) {
        DeletionInfoPacket delInfo = (DeletionInfoPacket) response;
        DeletionRecord delRecord = delInfo.getEntry(dhtKey);
        if (delRecord != null) {
            boolean valid = Util.isDeleteAuthorizationValid(verificationHash, delRecord.delAuthorization);
            if (valid)
                return delRecord.delAuthorization;
        }
    }
    return null;
}