Examples with RouterAddress net.i2p.data.router.RouterAddress used on opensource projects

Example 31 with RouterAddress

use of net.i2p.data.router.RouterAddress in project i2p.i2p by i2p.

the class Blocklist method getAddresses.

/**
 * Will not contain duplicates.
 * @since 0.9.29
 */
private static List<byte[]> getAddresses(RouterInfo pinfo) {
    List<byte[]> rv = new ArrayList<byte[]>(4);
    // for each peer address
    for (RouterAddress pa : pinfo.getAddresses()) {
        byte[] pib = pa.getIP();
        if (pib == null)
            continue;
        // O(n**2)
        boolean dup = false;
        for (int i = 0; i < rv.size(); i++) {
            if (DataHelper.eq(rv.get(i), pib)) {
                dup = true;
                break;
            }
        }
        if (!dup)
            rv.add(pib);
    }
    return rv;
}

Example 32 with RouterAddress

use of net.i2p.data.router.RouterAddress in project i2p.i2p by i2p.

the class BundleRouterInfos method main.

/**
 *  Usage: PersistentDataStore -i configDir -o toDir -c count
 *
 *  Copy a random selection of 'count' router infos from configDir/netDb
 *  to 'toDir'. Skip your own router info, and old, hidden, unreachable, and
 *  introduced routers, and those from bad countries.
 *
 *  @since 0.9.15
 */
public static void main(String[] args) {
    Getopt g = new Getopt("PersistentDataStore", args, "i:o:c:");
    String in = System.getProperty("user.home") + "/.i2p";
    String out = "netDb";
    int count = 200;
    boolean error = false;
    int c;
    while ((c = g.getopt()) != -1) {
        switch(c) {
            case 'i':
                in = g.getOptarg();
                break;
            case 'o':
                out = g.getOptarg();
                break;
            case 'c':
                String scount = g.getOptarg();
                try {
                    count = Integer.parseInt(scount);
                } catch (NumberFormatException nfe) {
                    error = true;
                }
                break;
            case '?':
            case ':':
            default:
                error = true;
        }
    }
    if (error) {
        usage();
        System.exit(1);
    }
    Properties props = new Properties();
    props.setProperty(GeoIP.PROP_GEOIP_DIR, System.getProperty("user.dir") + "/installer/resources");
    GeoIP geoIP = new GeoIP(new I2PAppContext(props));
    File confDir = new File(in);
    File dbDir = new File(confDir, "netDb");
    if (!dbDir.exists()) {
        System.out.println("NetDB directory " + dbDir + " does not exist");
        System.exit(1);
    }
    File myFile = new File(confDir, "router.info");
    File toDir = new File(out);
    toDir.mkdirs();
    InputStream fis = null;
    Hash me = null;
    try {
        fis = new BufferedInputStream(new FileInputStream(myFile));
        RouterInfo ri = new RouterInfo();
        // true = verify sig on read
        ri.readBytes(fis, true);
        me = ri.getIdentity().getHash();
    } catch (IOException e) {
    // System.out.println("Can't determine our identity");
    } catch (DataFormatException e) {
    // System.out.println("Can't determine our identity");
    } finally {
        if (fis != null)
            try {
                fis.close();
            } catch (IOException ioe) {
            }
    }
    int routerCount = 0;
    List<File> toRead = new ArrayList<File>(2048);
    for (int j = 0; j < Base64.ALPHABET_I2P.length(); j++) {
        File subdir = new File(dbDir, PersistentDataStore.DIR_PREFIX + Base64.ALPHABET_I2P.charAt(j));
        File[] files = subdir.listFiles(PersistentDataStore.RI_FILTER);
        if (files == null)
            continue;
        routerCount += files.length;
        for (int i = 0; i < files.length; i++) {
            toRead.add(files[i]);
        }
    }
    if (toRead.isEmpty()) {
        System.out.println("No files to copy in " + dbDir);
        System.exit(1);
    }
    Collections.shuffle(toRead);
    int copied = 0;
    long tooOld = System.currentTimeMillis() - 7 * 24 * 60 * 60 * 1000L;
    Map<String, String> ipMap = new HashMap<String, String>(count);
    for (File file : toRead) {
        if (copied >= count)
            break;
        Hash key = PersistentDataStore.getRouterInfoHash(file.getName());
        if (key == null) {
            System.out.println("Skipping bad " + file);
            continue;
        }
        if (key.equals(me)) {
            System.out.println("Skipping my RI");
            continue;
        }
        fis = null;
        try {
            fis = new BufferedInputStream(new FileInputStream(file));
            RouterInfo ri = new RouterInfo();
            // true = verify sig on read
            ri.readBytes(fis, true);
            try {
                fis.close();
            } catch (IOException ioe) {
            }
            fis = null;
            if (ri.getPublished() < tooOld) {
                System.out.println("Skipping too old " + key);
                continue;
            }
            if (ri.getCapabilities().contains("U")) {
                System.out.println("Skipping unreachable " + key);
                continue;
            }
            if (ri.getCapabilities().contains("K")) {
                System.out.println("Skipping slow " + key);
                continue;
            }
            Collection<RouterAddress> addrs = ri.getAddresses();
            if (addrs.isEmpty()) {
                System.out.println("Skipping hidden " + key);
                continue;
            }
            boolean hasIntro = false;
            boolean hasIPv4 = false;
            boolean dupIP = false;
            for (RouterAddress addr : addrs) {
                if ("SSU".equals(addr.getTransportStyle()) && addr.getOption("ihost0") != null) {
                    hasIntro = true;
                    break;
                }
                String host = addr.getHost();
                if (host != null && host.contains(".")) {
                    hasIPv4 = true;
                    geoIP.add(host);
                    String old = ipMap.put(host, file.getName());
                    if (old != null && !old.equals(file.getName())) {
                        dupIP = true;
                        break;
                    }
                }
            }
            if (dupIP) {
                System.out.println("Skipping dup IP " + key);
                continue;
            }
            if (hasIntro) {
                System.out.println("Skipping introduced " + key);
                continue;
            }
            if (!hasIPv4) {
                System.out.println("Skipping IPv6-only " + key);
                continue;
            }
            File toFile = new File(toDir, file.getName());
            // We could call ri.write() to avoid simultaneous change by the router
            boolean ok = FileUtil.copy(file, toFile, true, true);
            if (ok)
                copied++;
            else
                System.out.println("Failed copy of " + file + " to " + toDir);
        } catch (IOException e) {
            System.out.println("Skipping bad " + file);
        } catch (DataFormatException e) {
            System.out.println("Skipping bad " + file);
        } finally {
            if (fis != null)
                try {
                    fis.close();
                } catch (IOException ioe) {
                }
        }
    }
    if (copied > 0) {
        // now do all the geoip lookups, and delete any bad countries
        geoIP.blockingLookup();
        for (Map.Entry<String, String> e : ipMap.entrySet()) {
            String co = geoIP.get(e.getKey());
            if (co != null) {
                if (BadCountries.contains(co)) {
                    String name = e.getValue();
                    File toFile = new File(toDir, name);
                    if (toFile.delete()) {
                        String full = geoIP.fullName(co);
                        if (full == null)
                            full = co;
                        System.out.println("Skipping " + full + ": " + name);
                        copied--;
                    }
                }
            }
        }
    }
    if (copied > 0) {
        System.out.println("Copied " + copied + " router info files to " + toDir);
    } else {
        System.out.println("Failed to copy any files to " + toDir);
        System.exit(1);
    }
}

Example 33 with RouterAddress

use of net.i2p.data.router.RouterAddress in project i2p.i2p by i2p.

the class NTCPTransport method outboundMessageReady.

protected void outboundMessageReady() {
    OutNetMessage msg = getNextMessage();
    if (msg != null) {
        RouterInfo target = msg.getTarget();
        RouterIdentity ident = target.getIdentity();
        Hash ih = ident.calculateHash();
        NTCPConnection con = null;
        boolean isNew = false;
        boolean fail = false;
        synchronized (_conLock) {
            con = _conByIdent.get(ih);
            if (con == null) {
                isNew = true;
                RouterAddress addr = getTargetAddress(target);
                if (addr != null) {
                    con = new NTCPConnection(_context, this, ident, addr);
                    // if (_log.shouldLog(Log.DEBUG))
                    // _log.debug("Send on a new con: " + con + " at " + addr + " for " + ih);
                    // Note that outbound conns go in the map BEFORE establishment
                    _conByIdent.put(ih, con);
                } else {
                    // race, RI changed out from under us
                    // call afterSend below outside of conLock
                    fail = true;
                }
            }
        }
        if (fail) {
            // race, RI changed out from under us, maybe SSU can handle it
            if (_log.shouldLog(Log.WARN))
                _log.warn("we bid on a peer who doesn't have an ntcp address? " + target);
            afterSend(msg, false);
            return;
        }
        if (isNew) {
            // doesn't do anything yet, just enqueues it
            con.send(msg);
            // As of 0.9.12, don't send our info if the first message is
            // doing the same (common when connecting to a floodfill).
            // Also, put the info message after whatever we are trying to send
            // (it's a priority queue anyway and the info is low priority)
            // Prior to 0.9.12, Bob would not send his RI unless he had ours,
            // but that's fixed in 0.9.12.
            boolean shouldSkipInfo = false;
            I2NPMessage m = msg.getMessage();
            if (m.getType() == DatabaseStoreMessage.MESSAGE_TYPE) {
                DatabaseStoreMessage dsm = (DatabaseStoreMessage) m;
                if (dsm.getKey().equals(_context.routerHash())) {
                    shouldSkipInfo = true;
                }
            }
            if (!shouldSkipInfo) {
                con.enqueueInfoMessage();
            } else if (_log.shouldLog(Log.INFO)) {
                _log.info("SKIPPING INFO message: " + con);
            }
            try {
                SocketChannel channel = SocketChannel.open();
                con.setChannel(channel);
                channel.configureBlocking(false);
                _pumper.registerConnect(con);
                con.getEstablishState().prepareOutbound();
            } catch (IOException ioe) {
                if (_log.shouldLog(Log.ERROR))
                    _log.error("Error opening a channel", ioe);
                _context.statManager().addRateData("ntcp.outboundFailedIOEImmediate", 1);
                con.close();
            }
        } else {
            con.send(msg);
        }
    /*
            NTCPConnection con = getCon(ident);
            remove the race here
            if (con != null) {
                //if (_log.shouldLog(Log.DEBUG))
                //    _log.debug("Send on an existing con: " + con);
                con.send(msg);
            } else {
                RouterAddress addr = msg.getTarget().getTargetAddress(STYLE);
                if (addr != null) {
                    NTCPAddress naddr = new NTCPAddress(addr);
                    con = new NTCPConnection(_context, this, ident, naddr);
                    Hash ih = ident.calculateHash();
                    if (_log.shouldLog(Log.DEBUG))
                        _log.debug("Send on a new con: " + con + " at " + addr + " for " + ih.toBase64());
                    NTCPConnection old = null;
                    synchronized (_conLock) {
                        old = (NTCPConnection)_conByIdent.put(ih, con);
                    }
                    if (old != null) {
                        if (_log.shouldLog(Log.WARN))
                            _log.warn("Multiple connections on out ready, closing " + old + " and keeping " + con);
                        old.close();
                    }
                    con.enqueueInfoMessage(); // enqueues a netDb store of our own info
                    con.send(msg); // doesn't do anything yet, just enqueues it

                    try {
                        SocketChannel channel = SocketChannel.open();
                        con.setChannel(channel);
                        channel.configureBlocking(false);
                        _pumper.registerConnect(con);
                    } catch (IOException ioe) {
                        if (_log.shouldLog(Log.ERROR))
                            _log.error("Error opening a channel", ioe);
                        con.close();
                    }
                } else {
                    con.close();
                }
            }
             */
    }
}

Example 34 with RouterAddress

use of net.i2p.data.router.RouterAddress in project i2p.i2p by i2p.

the class NTCPTransport method getTargetAddress.

/**
 *  Get first available address we can use.
 *  @return address or null
 *  @since 0.9.6
 */
private RouterAddress getTargetAddress(RouterInfo target) {
    List<RouterAddress> addrs = getTargetAddresses(target);
    for (int i = 0; i < addrs.size(); i++) {
        RouterAddress addr = addrs.get(i);
        byte[] ip = addr.getIP();
        if (!TransportUtil.isValidPort(addr.getPort()) || ip == null) {
            // _log.debug("no bid when trying to send to " + peer + " as they don't have a valid ntcp address");
            continue;
        }
        if (!isValid(ip)) {
            if (!allowLocal()) {
                // _log.debug("no bid when trying to send to " + peer + " as they have a private ntcp address");
                continue;
            }
        }
        return addr;
    }
    return null;
}

Example 35 with RouterAddress

use of net.i2p.data.router.RouterAddress in project i2p.i2p by i2p.

the class NTCPTransport method externalAddressReceived.

/**
 *  UDP changed addresses, tell NTCP and restart.
 *  Port may be set to indicate requested port even if ip is null.
 *
 *  @param ip previously validated; may be null to indicate IPv4 failure or port info only
 *  @since IPv6 moved from CSFI.notifyReplaceAddress()
 */
private synchronized void externalAddressReceived(byte[] ip, boolean isIPv6, int port) {
    // FIXME just take first address for now
    // FIXME if SSU set to hostname, NTCP will be set to IP
    RouterAddress oldAddr = getCurrentAddress(isIPv6);
    if (_log.shouldLog(Log.INFO))
        _log.info("Changing NTCP Address? was " + oldAddr);
    OrderedProperties newProps = new OrderedProperties();
    int cost;
    if (oldAddr == null) {
        cost = getDefaultCost(isIPv6);
    } else {
        cost = oldAddr.getCost();
        newProps.putAll(oldAddr.getOptionsMap());
    }
    RouterAddress newAddr = new RouterAddress(STYLE, newProps, cost);
    boolean changed = false;
    // Auto Port Setting
    // old behavior (<= 0.7.3): auto-port defaults to false, and true trumps explicit setting
    // new behavior (>= 0.7.4): auto-port defaults to true, but explicit setting trumps auto
    // TODO rewrite this to operate on ints instead of strings
    String oport = newProps.getProperty(RouterAddress.PROP_PORT);
    String nport = null;
    String cport = _context.getProperty(PROP_I2NP_NTCP_PORT);
    if (cport != null && cport.length() > 0) {
        nport = cport;
    } else if (_context.getBooleanPropertyDefaultTrue(PROP_I2NP_NTCP_AUTO_PORT)) {
        // it probably isn't mapping UDP and TCP the same.
        if (port > 0)
            // should always be true
            nport = Integer.toString(port);
    }
    if (_log.shouldLog(Log.INFO))
        _log.info("old port: " + oport + " config: " + cport + " new: " + nport);
    // if (oport == null || ! oport.equals(nport)) {
    if (oport == null && nport != null && nport.length() > 0) {
        newProps.setProperty(RouterAddress.PROP_PORT, nport);
        changed = true;
    }
    // Auto IP Setting
    // old behavior (<= 0.7.3): auto-ip defaults to false, and trumps configured hostname,
    // and ignores reachability status - leading to
    // "firewalled with inbound TCP enabled" warnings.
    // new behavior (>= 0.7.4): auto-ip defaults to true, and explicit setting trumps auto,
    // and only takes effect if reachability is OK.
    // And new "always" setting ignores reachability status, like
    // "true" was in 0.7.3
    String ohost = newProps.getProperty(RouterAddress.PROP_HOST);
    String enabled = _context.getProperty(PROP_I2NP_NTCP_AUTO_IP, "true").toLowerCase(Locale.US);
    String name = getConfiguredIP();
    // hostname config trumps auto config
    if (name != null && name.length() > 0)
        enabled = "false";
    // assume SSU is happy if the address is non-null
    // TODO is this sufficient?
    boolean ssuOK = ip != null;
    if (_log.shouldLog(Log.INFO))
        _log.info("old: " + ohost + " config: " + name + " auto: " + enabled + " ssuOK? " + ssuOK);
    if (enabled.equals("always") || (Boolean.parseBoolean(enabled) && ssuOK)) {
        if (!ssuOK) {
            if (_log.shouldLog(Log.WARN))
                _log.warn("null address with always config", new Exception());
            return;
        }
        // ip non-null
        String nhost = Addresses.toString(ip);
        if (_log.shouldLog(Log.INFO))
            _log.info("old: " + ohost + " config: " + name + " new: " + nhost);
        if (nhost == null || nhost.length() <= 0)
            return;
        if (ohost == null || !ohost.equalsIgnoreCase(nhost)) {
            newProps.setProperty(RouterAddress.PROP_HOST, nhost);
            changed = true;
        }
    } else if (enabled.equals("false") && name != null && name.length() > 0 && !name.equals(ohost)) {
        // otherwise createNTCPAddress() would have done it already
        if (_log.shouldLog(Log.INFO))
            _log.info("old host: " + ohost + " config: " + name + " new: " + name);
        newProps.setProperty(RouterAddress.PROP_HOST, name);
        changed = true;
    } else if (ohost == null || ohost.length() <= 0) {
        return;
    } else if (Boolean.parseBoolean(enabled) && !ssuOK) {
        // we are still firewalled (SW firewall, bad UPnP indication, etc.)
        if (_log.shouldLog(Log.INFO))
            _log.info("old host: " + ohost + " config: " + name + " new: null");
        newAddr = null;
        changed = true;
    }
    if (!changed) {
        if (oldAddr != null) {
            // change cost only?
            int oldCost = oldAddr.getCost();
            int newCost = getDefaultCost(ohost != null && ohost.contains(":"));
            if (ADJUST_COST && !haveCapacity())
                newCost += CONGESTION_COST_ADJUSTMENT;
            if (newCost != oldCost) {
                newAddr.setCost(newCost);
                if (_log.shouldLog(Log.WARN))
                    _log.warn("Changing NTCP cost from " + oldCost + " to " + newCost);
            // fall thru and republish
            } else {
                _log.info("No change to NTCP Address");
                return;
            }
        } else {
            _log.info("No change to NTCP Address");
            return;
        }
    }
    // stopListening stops the pumper, readers, and writers, so required even if
    // oldAddr == null since startListening starts them all again
    // 
    // really need to fix this so that we can change or create an inbound address
    // without tearing down everything
    // Especially on disabling the address, we shouldn't tear everything down.
    // 
    // if (_log.shouldLog(Log.WARN))
    // _log.warn("Halting NTCP to change address");
    // stopListening();
    // Wait for NTCP Pumper to stop so we don't end up with two...
    // while (isAlive()) {
    // try { Thread.sleep(5*1000); } catch (InterruptedException ie) {}
    // }
    restartListening(newAddr, isIPv6);
    if (_log.shouldLog(Log.WARN))
        _log.warn("Updating NTCP Address (ipv6? " + isIPv6 + ") with " + newAddr);
    return;
}