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

Example 66 with Hash

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

the class CreateSessionJob method runJob.

public void runJob() {
    Hash dest = _config.getDestination().calculateHash();
    if (_log.shouldLog(Log.INFO))
        _log.info("Requesting lease set for destination " + dest);
    ClientTunnelSettings settings = new ClientTunnelSettings(dest);
    Properties props = new Properties();
    // We're NOT going to force all clients to use the router's defaults, since that may be
    // excessive.  This means that unless the user says otherwise, we'll be satisfied with whatever
    // is available.  Otherwise, when the router starts up, if there aren't sufficient tunnels with the
    // adequate number of hops, the user will have to wait.  Once peer profiles are persistent, we can
    // reenable this, since on startup we'll have a sufficient number of high enough ranked peers to
    // tunnel through.  (perhaps).
    // XXX take the router's defaults
    // XXX props.putAll(Router.getInstance().getConfigMap());
    // override them by the client's settings
    props.putAll(_config.getOptions());
    // and load 'em up (using anything not yet set as the software defaults)
    settings.readFromProperties(props);
    getContext().tunnelManager().buildTunnels(_config.getDestination(), settings);
}

Example 67 with Hash

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

the class LoadRouterInfoJob method loadRouterInfo.

/**
 *  Loads router.info and either router.keys.dat or router.keys.
 *
 *  See CreateRouterInfoJob for file formats
 */
private void loadRouterInfo() {
    RouterInfo info = null;
    File rif = new File(getContext().getRouterDir(), CreateRouterInfoJob.INFO_FILENAME);
    boolean infoExists = rif.exists();
    File rkf = new File(getContext().getRouterDir(), CreateRouterInfoJob.KEYS_FILENAME);
    boolean keysExist = rkf.exists();
    File rkf2 = new File(getContext().getRouterDir(), CreateRouterInfoJob.KEYS2_FILENAME);
    boolean keys2Exist = rkf2.exists();
    InputStream fis1 = null;
    try {
        // so pretend the RI isn't there if there is no keyfile
        if (infoExists && (keys2Exist || keysExist)) {
            fis1 = new BufferedInputStream(new FileInputStream(rif));
            info = new RouterInfo();
            info.readBytes(fis1);
            // Catch this here before it all gets worse
            if (!info.isValid())
                throw new DataFormatException("Our RouterInfo has a bad signature");
            if (_log.shouldLog(Log.DEBUG))
                _log.debug("Reading in routerInfo from " + rif.getAbsolutePath() + " and it has " + info.getAddresses().size() + " addresses");
            // don't reuse if family name changed
            if (DataHelper.eq(info.getOption(FamilyKeyCrypto.OPT_NAME), getContext().getProperty(FamilyKeyCrypto.PROP_FAMILY_NAME))) {
                _us = info;
            } else {
                _log.logAlways(Log.WARN, "NetDb family name changed");
            }
        }
        if (keys2Exist || keysExist) {
            KeyData kd = readKeyData(rkf, rkf2);
            PublicKey pubkey = kd.routerIdentity.getPublicKey();
            SigningPublicKey signingPubKey = kd.routerIdentity.getSigningPublicKey();
            PrivateKey privkey = kd.privateKey;
            SigningPrivateKey signingPrivKey = kd.signingPrivateKey;
            SigType stype = signingPubKey.getType();
            // check if the sigtype config changed
            SigType cstype = CreateRouterInfoJob.getSigTypeConfig(getContext());
            boolean sigTypeChanged = stype != cstype;
            if (sigTypeChanged && getContext().getProperty(CreateRouterInfoJob.PROP_ROUTER_SIGTYPE) == null) {
                // TODO reduce to ~3 (i.e. increase probability) in future release
                if (getContext().random().nextInt(4) > 0) {
                    sigTypeChanged = false;
                    if (_log.shouldWarn())
                        _log.warn("Deferring RI rekey from " + stype + " to " + cstype);
                }
            }
            if (sigTypeChanged || shouldRebuild(privkey)) {
                if (_us != null) {
                    Hash h = _us.getIdentity().getHash();
                    _log.logAlways(Log.WARN, "Deleting old router identity " + h.toBase64());
                    // the netdb hasn't started yet, but we want to delete the RI
                    File f = PersistentDataStore.getRouterInfoFile(getContext(), h);
                    f.delete();
                    // the banlist can be called at any time
                    getContext().banlist().banlistRouterForever(h, "Our previous identity");
                    _us = null;
                }
                if (sigTypeChanged)
                    _log.logAlways(Log.WARN, "Rebuilding RouterInfo with new signature type " + cstype);
                // windows... close before deleting
                if (fis1 != null) {
                    try {
                        fis1.close();
                    } catch (IOException ioe) {
                    }
                    fis1 = null;
                }
                rif.delete();
                rkf.delete();
                rkf2.delete();
                return;
            }
            getContext().keyManager().setKeys(pubkey, privkey, signingPubKey, signingPrivKey);
        }
    } catch (IOException ioe) {
        _log.log(Log.CRIT, "Error reading the router info from " + rif.getAbsolutePath() + " and the keys from " + rkf.getAbsolutePath(), ioe);
        _us = null;
        // windows... close before deleting
        if (fis1 != null) {
            try {
                fis1.close();
            } catch (IOException ioe2) {
            }
            fis1 = null;
        }
        rif.delete();
        rkf.delete();
        rkf2.delete();
    } catch (DataFormatException dfe) {
        _log.log(Log.CRIT, "Corrupt router info or keys at " + rif.getAbsolutePath() + " / " + rkf.getAbsolutePath(), dfe);
        _us = null;
        // windows... close before deleting
        if (fis1 != null) {
            try {
                fis1.close();
            } catch (IOException ioe) {
            }
            fis1 = null;
        }
        rif.delete();
        rkf.delete();
        rkf2.delete();
    } finally {
        if (fis1 != null)
            try {
                fis1.close();
            } catch (IOException ioe) {
            }
    }
}

Example 68 with Hash

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

the class TunnelPeerSelector method selectExplicit.

/**
 *  For debugging, also possibly for restricted routes?
 *  Needs analysis and testing
 *  @return should always be false
 */
protected List<Hash> selectExplicit(TunnelPoolSettings settings, int length) {
    String peers = null;
    Properties opts = settings.getUnknownOptions();
    if (opts != null)
        peers = opts.getProperty("explicitPeers");
    if (peers == null)
        peers = ctx.getProperty("explicitPeers");
    List<Hash> rv = new ArrayList<Hash>();
    StringTokenizer tok = new StringTokenizer(peers, ",");
    while (tok.hasMoreTokens()) {
        String peerStr = tok.nextToken();
        Hash peer = new Hash();
        try {
            peer.fromBase64(peerStr);
            if (ctx.profileOrganizer().isSelectable(peer)) {
                rv.add(peer);
            } else {
                if (log.shouldLog(Log.DEBUG))
                    log.debug("Explicit peer is not selectable: " + peerStr);
            }
        } catch (DataFormatException dfe) {
            if (log.shouldLog(Log.ERROR))
                log.error("Explicit peer is improperly formatted (" + peerStr + ")", dfe);
        }
    }
    int sz = rv.size();
    Collections.shuffle(rv, ctx.random());
    while (rv.size() > length) rv.remove(0);
    if (log.shouldLog(Log.INFO)) {
        StringBuilder buf = new StringBuilder();
        if (settings.getDestinationNickname() != null)
            buf.append("peers for ").append(settings.getDestinationNickname());
        else if (settings.getDestination() != null)
            buf.append("peers for ").append(settings.getDestination().toBase64());
        else
            buf.append("peers for exploratory ");
        if (settings.isInbound())
            buf.append(" inbound");
        else
            buf.append(" outbound");
        buf.append(" peers: ").append(rv);
        buf.append(", out of ").append(sz).append(" (not including self)");
        log.info(buf.toString());
    }
    if (settings.isInbound())
        rv.add(0, ctx.routerHash());
    else
        rv.add(ctx.routerHash());
    return rv;
}

Example 69 with Hash

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

the class TunnelPeerSelector method checkTunnel.

/**
 *  Connectivity check.
 *  Check that each hop can connect to the next, including us.
 *
 *  @param tunnel ENDPOINT FIRST, GATEWAY LAST!!!!
 *  @return ok
 *  @since 0.9.34
 */
private boolean checkTunnel(List<Hash> tunnel) {
    boolean rv = true;
    for (int i = 0; i < tunnel.size() - 1; i++) {
        // order is backwards!
        Hash hf = tunnel.get(i + 1);
        Hash ht = tunnel.get(i);
        if (!canConnect(hf, ht)) {
            if (log.shouldWarn())
                log.warn("Connect check fail hop " + (i + 1) + " to " + i + " in tunnel (EP<-GW): " + DataHelper.toString(tunnel));
            // Blame them both
            // treat as a timeout in the profile
            // tunnelRejected() would set the last heard from time
            Hash us = ctx.routerHash();
            if (!hf.equals(us))
                ctx.profileManager().tunnelTimedOut(hf);
            if (!ht.equals(us))
                ctx.profileManager().tunnelTimedOut(ht);
            rv = false;
            break;
        }
    }
    return rv;
}

Example 70 with Hash

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

the class TunnelPool method refreshLeaseSet.

/**
 * noop for outbound and exploratory
 */
void refreshLeaseSet() {
    if (_settings.isInbound() && !_settings.isExploratory()) {
        if (_log.shouldLog(Log.DEBUG))
            _log.debug(toString() + ": refreshing leaseSet on tunnel expiration (but prior to grace timeout)");
        LeaseSet ls;
        synchronized (_tunnels) {
            ls = locked_buildNewLeaseSet();
        }
        if (ls != null) {
            _context.clientManager().requestLeaseSet(_settings.getDestination(), ls);
            Set<Hash> aliases = _settings.getAliases();
            if (aliases != null && !aliases.isEmpty()) {
                for (Hash h : aliases) {
                    _context.clientManager().requestLeaseSet(h, ls);
                }
            }
        }
    }
}