Examples with SubnetUtils org.apache.commons.net.util.SubnetUtils used on opensource projects

Example 6 with SubnetUtils

use of org.apache.commons.net.util.SubnetUtils in project deeplearning4j by deeplearning4j.

the class NetworkOrganizer method getSubset.

/**
     * This method returns specified number of IP addresses from original list of addresses, that are NOT listen in primary collection
     *
     * @param numShards
     * @param primary Collection of IP addresses that shouldn't be in result
     * @return
     */
public List<String> getSubset(int numShards, Collection<String> primary) {
    /**
         * If netmask in unset, we'll use manual
         */
    if (networkMask == null)
        return getIntersections(numShards, primary);
    List<String> addresses = new ArrayList<>();
    SubnetUtils utils = new SubnetUtils(networkMask);
    Collections.shuffle(informationCollection);
    for (NetworkInformation information : informationCollection) {
        for (String ip : information.getIpAddresses()) {
            if (primary != null && primary.contains(ip))
                continue;
            if (utils.getInfo().isInRange(ip)) {
                log.debug("Picked {} as {}", ip, primary == null ? "Shard" : "Backup");
                addresses.add(ip);
            }
            if (addresses.size() >= numShards)
                break;
        }
        if (addresses.size() >= numShards)
            break;
    }
    return addresses;
}

Example 7 with SubnetUtils

use of org.apache.commons.net.util.SubnetUtils in project hadoop by apache.

the class NetUtils method getIPs.

/**
   * Return an InetAddress for each interface that matches the
   * given subnet specified using CIDR notation.
   *
   * @param subnet subnet specified using CIDR notation
   * @param returnSubinterfaces
   *            whether to return IPs associated with subinterfaces
   * @throws IllegalArgumentException if subnet is invalid
   */
public static List<InetAddress> getIPs(String subnet, boolean returnSubinterfaces) {
    List<InetAddress> addrs = new ArrayList<InetAddress>();
    SubnetInfo subnetInfo = new SubnetUtils(subnet).getInfo();
    Enumeration<NetworkInterface> nifs;
    try {
        nifs = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e) {
        LOG.error("Unable to get host interfaces", e);
        return addrs;
    }
    while (nifs.hasMoreElements()) {
        NetworkInterface nif = nifs.nextElement();
        // NB: adding addresses even if the nif is not up
        addMatchingAddrs(nif, subnetInfo, addrs);
        if (!returnSubinterfaces) {
            continue;
        }
        Enumeration<NetworkInterface> subNifs = nif.getSubInterfaces();
        while (subNifs.hasMoreElements()) {
            addMatchingAddrs(subNifs.nextElement(), subnetInfo, addrs);
        }
    }
    return addrs;
}

Example 8 with SubnetUtils

use of org.apache.commons.net.util.SubnetUtils in project hadoop by apache.

the class NfsExports method getMatch.

/**
   * Loading a matcher from a string. The default access privilege is read-only.
   * The string contains 1 or 2 parts, separated by whitespace characters, where
   * the first part specifies the client hosts, and the second part (if 
   * existent) specifies the access privilege of the client hosts. I.e.,
   * 
   * "client-hosts [access-privilege]"
   */
private static Match getMatch(String line) {
    String[] parts = line.split("\\s+");
    final String host;
    AccessPrivilege privilege = AccessPrivilege.READ_ONLY;
    switch(parts.length) {
        case 1:
            host = StringUtils.toLowerCase(parts[0]).trim();
            break;
        case 2:
            host = StringUtils.toLowerCase(parts[0]).trim();
            String option = parts[1].trim();
            if ("rw".equalsIgnoreCase(option)) {
                privilege = AccessPrivilege.READ_WRITE;
            }
            break;
        default:
            throw new IllegalArgumentException("Incorrectly formatted line '" + line + "'");
    }
    if (host.equals("*")) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Using match all for '" + host + "' and " + privilege);
        }
        return new AnonymousMatch(privilege);
    } else if (CIDR_FORMAT_SHORT.matcher(host).matches()) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Using CIDR match for '" + host + "' and " + privilege);
        }
        return new CIDRMatch(privilege, new SubnetUtils(host).getInfo());
    } else if (CIDR_FORMAT_LONG.matcher(host).matches()) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Using CIDR match for '" + host + "' and " + privilege);
        }
        String[] pair = host.split("/");
        return new CIDRMatch(privilege, new SubnetUtils(pair[0], pair[1]).getInfo());
    } else if (host.contains("*") || host.contains("?") || host.contains("[") || host.contains("]") || host.contains("(") || host.contains(")")) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Using Regex match for '" + host + "' and " + privilege);
        }
        return new RegexMatch(privilege, host);
    } else if (HOSTNAME_FORMAT.matcher(host).matches()) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Using exact match for '" + host + "' and " + privilege);
        }
        return new ExactMatch(privilege, host);
    } else {
        throw new IllegalArgumentException("Invalid hostname provided '" + host + "'");
    }
}

Example 9 with SubnetUtils

use of org.apache.commons.net.util.SubnetUtils in project cloudstack by apache.

the class BigSwitchBcfElement method applyNetworkACLs.

@Override
public boolean applyNetworkACLs(Network network, List<? extends NetworkACLItem> rules) throws ResourceUnavailableException {
    SubnetUtils utils;
    String cidr = null;
    List<String> cidrList;
    for (NetworkACLItem r : rules) {
        if (r.getState() == NetworkACLItem.State.Revoke) {
            continue;
        }
        cidrList = r.getSourceCidrList();
        if (cidrList != null) {
            if (cidrList.size() > 1 || !r.getSourcePortEnd().equals(r.getSourcePortStart())) {
                throw new ResourceUnavailableException("One CIDR and one port only please.", Network.class, network.getId());
            } else {
                cidr = cidrList.get(0);
            }
        }
        if (cidr == null || cidr.equalsIgnoreCase("0.0.0.0/0")) {
            cidr = "";
        } else {
            utils = new SubnetUtils(cidr);
            if (!utils.getInfo().getNetworkAddress().equals(utils.getInfo().getAddress())) {
                throw new ResourceUnavailableException("Invalid CIDR in Network ACL rule.", Network.class, network.getId());
            }
        }
    }
    updateBcfRouter(network);
    return true;
}

Example 10 with SubnetUtils

use of org.apache.commons.net.util.SubnetUtils in project cloudstack by apache.

the class NetUtils method isIpWithtInCidrRange.

public static boolean isIpWithtInCidrRange(final String ipAddress, final String cidr) {
    if (!isValidIp(ipAddress)) {
        return false;
    }
    if (!isValidCIDR(cidr)) {
        return false;
    }
    // check if the gatewayip is the part of the ip range being added.
    // RFC 3021 - 31-Bit Prefixes on IPv4 Point-to-Point Links
    //     GW              Netmask         Stat IP        End IP
    // 192.168.24.0 - 255.255.255.254 - 192.168.24.0 - 192.168.24.1
    // https://tools.ietf.org/html/rfc3021
    // Added by Wilder Rodrigues
    final SubnetUtils subnetUtils = new SubnetUtils(cidr);
    subnetUtils.setInclusiveHostCount(true);
    final boolean isInRange = subnetUtils.getInfo().isInRange(ipAddress);
    return isInRange;
}