Examples with IPAddress org.eclipse.kura.net.IPAddress used on opensource projects

Example 6 with IPAddress

use of org.eclipse.kura.net.IPAddress in project kura by eclipse.

the class LinuxDns method getDhcpDnsServers.

public List<IPAddress> getDhcpDnsServers(String interfaceName, IPAddress address) throws KuraException {
    BufferedReader br = null;
    ArrayList<IPAddress> servers = null;
    if (interfaceName != null && !interfaceName.isEmpty() && address != null && address.getAddress() != null) {
        StringBuilder sb = new StringBuilder();
        sb.append("interface \"").append(interfaceName).append("\";");
        String interfaceMatch = sb.toString();
        sb = new StringBuilder();
        sb.append("fixed-address ").append(address.getHostAddress()).append(";");
        String fixedAddressMatch = sb.toString();
        File globalDhClientFile = new File(formGlobalDhclientLeasesFilename());
        File interfaceDhClientFile = new File(formInterfaceDhclientLeasesFilename(interfaceName));
        if (interfaceDhClientFile.exists()) {
            try {
                br = new BufferedReader(new FileReader(interfaceDhClientFile));
                String line = null;
                while ((line = br.readLine()) != null) {
                    if (line.trim().equals("lease {")) {
                        // make sure it matches
                        if (!br.readLine().trim().equals(interfaceMatch)) {
                            continue;
                        }
                        if (!br.readLine().trim().equals(fixedAddressMatch)) {
                            continue;
                        }
                        while ((line = br.readLine()) != null) {
                            if (line.indexOf("domain-name-servers") >= 0) {
                                StringTokenizer st = new StringTokenizer(line.substring(line.indexOf("domain-name-servers") + 19), ", ;");
                                if (servers == null) {
                                    servers = new ArrayList<IPAddress>();
                                }
                                while (st.hasMoreTokens()) {
                                    String nameServer = st.nextToken();
                                    s_logger.debug("Found nameserver... {}", nameServer);
                                    IPAddress ipa = IPAddress.parseHostAddress(nameServer);
                                    if (!servers.contains(ipa)) {
                                        servers.add(IPAddress.parseHostAddress(nameServer));
                                    }
                                }
                                break;
                            } else if (line.indexOf("expire") >= 0) {
                                // no DNS for this entry
                                break;
                            }
                        }
                    }
                }
            } catch (Exception e) {
                throw new KuraException(KuraErrorCode.INTERNAL_ERROR, e);
            } finally {
                if (br != null) {
                    try {
                        br.close();
                        br = null;
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        } else if (globalDhClientFile.exists()) {
            try {
                br = new BufferedReader(new FileReader(globalDhClientFile));
                String line = null;
                while ((line = br.readLine()) != null) {
                    if (line.trim().equals("lease {")) {
                        // make sure it matches
                        if (!br.readLine().trim().equals(interfaceMatch)) {
                            continue;
                        }
                        if (!br.readLine().trim().equals(fixedAddressMatch)) {
                            continue;
                        }
                        while ((line = br.readLine()) != null) {
                            if (line.indexOf("domain-name-servers") >= 0) {
                                StringTokenizer st = new StringTokenizer(line.substring(line.indexOf("domain-name-servers") + 19), ", ;");
                                servers = new ArrayList<IPAddress>();
                                while (st.hasMoreTokens()) {
                                    String nameServer = st.nextToken();
                                    s_logger.debug("Found nameserver... {}", nameServer);
                                    servers.add(IPAddress.parseHostAddress(nameServer));
                                }
                                break;
                            } else if (line.indexOf("expire") >= 0) {
                                // no DNS for this entry
                                break;
                            }
                        }
                    }
                }
            } catch (Exception e) {
                throw new KuraException(KuraErrorCode.INTERNAL_ERROR, e);
            } finally {
                if (br != null) {
                    try {
                        br.close();
                        br = null;
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        } else {
            try {
                File dhclientFile = new File(formInterfaceDhclientLeasesFilename(interfaceName));
                if (!dhclientFile.exists()) {
                    dhclientFile.createNewFile();
                }
                br = new BufferedReader(new FileReader(dhclientFile));
                // boolean lookingForDns = false;
                String line;
                while ((line = br.readLine()) != null) {
                    if (line.trim().equals("lease {")) {
                        // make sure it matches
                        if (!br.readLine().trim().equals(interfaceMatch)) {
                            continue;
                        }
                        if (!br.readLine().trim().equals(fixedAddressMatch)) {
                            continue;
                        }
                        while ((line = br.readLine()) != null) {
                            if (line.indexOf("domain-name-servers") >= 0) {
                                StringTokenizer st = new StringTokenizer(line.substring(line.indexOf("domain-name-servers") + 19), ", ;");
                                servers = new ArrayList<IPAddress>();
                                while (st.hasMoreTokens()) {
                                    String nameServer = st.nextToken();
                                    s_logger.debug("Found nameserver... {}", nameServer);
                                    servers.add(IPAddress.parseHostAddress(nameServer));
                                }
                                break;
                            } else if (line.indexOf("expire") >= 0) {
                                // no DNS for this entry
                                break;
                            }
                        }
                    }
                }
            } catch (Exception e) {
                throw new KuraException(KuraErrorCode.INTERNAL_ERROR, e);
            } finally {
                if (br != null) {
                    try {
                        br.close();
                        br = null;
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        }
    }
    return servers;
}

Example 7 with IPAddress

use of org.eclipse.kura.net.IPAddress in project kura by eclipse.

the class LinuxDns method writeDnsFile.

private synchronized void writeDnsFile(Set<IPAddress> servers) {
    s_logger.debug("Writing DNS servers to file");
    try {
        FileOutputStream fos = new FileOutputStream(DNS_FILE_NAME);
        PrintWriter pw = new PrintWriter(fos);
        String[] existingFile = getModifiedFile();
        for (String element : existingFile) {
            pw.write(element + "\n");
        }
        pw.write("\n");
        for (IPAddress server : servers) {
            pw.write("nameserver " + server.getHostAddress() + "\n");
        }
        if (pw != null) {
            pw.flush();
            fos.getFD().sync();
            pw.close();
            fos.close();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Example 8 with IPAddress

use of org.eclipse.kura.net.IPAddress in project kura by eclipse.

the class IfcfgConfigWriter method writeRedhatConfig.

private void writeRedhatConfig(NetInterfaceConfig<? extends NetInterfaceAddressConfig> netInterfaceConfig) throws KuraException {
    String interfaceName = netInterfaceConfig.getName();
    String outputFileName = new StringBuffer().append(REDHAT_NET_CONFIGURATION_DIRECTORY).append("ifcfg-").append(interfaceName).toString();
    String tmpOutputFileName = new StringBuffer().append(REDHAT_NET_CONFIGURATION_DIRECTORY).append("ifcfg-").append(interfaceName).append(".tmp").toString();
    s_logger.debug("Writing config for {}", interfaceName);
    NetInterfaceType type = netInterfaceConfig.getType();
    if (type == NetInterfaceType.ETHERNET || type == NetInterfaceType.WIFI || type == NetInterfaceType.LOOPBACK) {
        StringBuffer sb = new StringBuffer();
        sb.append("# Networking Interface\n");
        // DEVICE
        sb.append("DEVICE=").append(netInterfaceConfig.getName()).append("\n");
        // NAME
        sb.append("NAME=").append(netInterfaceConfig.getName()).append("\n");
        // TYPE
        sb.append("TYPE=").append(netInterfaceConfig.getType()).append("\n");
        List<? extends NetInterfaceAddressConfig> netInterfaceAddressConfigs = netInterfaceConfig.getNetInterfaceAddresses();
        s_logger.debug("There are " + netInterfaceAddressConfigs.size() + " NetInterfaceConfigs in this configuration");
        boolean allowWrite = false;
        for (NetInterfaceAddressConfig netInterfaceAddressConfig : netInterfaceAddressConfigs) {
            List<NetConfig> netConfigs = netInterfaceAddressConfig.getConfigs();
            if (netConfigs != null) {
                for (NetConfig netConfig : netConfigs) {
                    if (netConfig instanceof NetConfigIP4) {
                        // ONBOOT
                        sb.append("ONBOOT=");
                        if (((NetConfigIP4) netConfig).isAutoConnect()) {
                            sb.append("yes");
                        } else {
                            sb.append("no");
                        }
                        sb.append("\n");
                        if (((NetConfigIP4) netConfig).isDhcp()) {
                            // BOOTPROTO
                            sb.append("BOOTPROTO=");
                            s_logger.debug("new config is DHCP");
                            sb.append("dhcp");
                            sb.append("\n");
                        } else {
                            // BOOTPROTO
                            sb.append("BOOTPROTO=");
                            s_logger.debug("new config is STATIC");
                            sb.append("static");
                            sb.append("\n");
                            // IPADDR
                            sb.append("IPADDR=").append(((NetConfigIP4) netConfig).getAddress().getHostAddress()).append("\n");
                            // PREFIX
                            sb.append("PREFIX=").append(((NetConfigIP4) netConfig).getNetworkPrefixLength()).append("\n");
                            // Gateway
                            if (((NetConfigIP4) netConfig).getGateway() != null) {
                                sb.append("GATEWAY=").append(((NetConfigIP4) netConfig).getGateway().getHostAddress()).append("\n");
                            }
                        }
                        // DEFROUTE
                        if (((NetConfigIP4) netConfig).getStatus() == NetInterfaceStatus.netIPv4StatusEnabledWAN) {
                            sb.append("DEFROUTE=yes\n");
                        } else {
                            sb.append("DEFROUTE=no\n");
                        }
                        // DNS
                        List<? extends IPAddress> dnsAddresses = ((NetConfigIP4) netConfig).getDnsServers();
                        if (dnsAddresses != null && dnsAddresses.size() > 0) {
                            for (int i = 0; i < dnsAddresses.size(); i++) {
                                IPAddress ipAddr = dnsAddresses.get(i);
                                if (!(ipAddr.isLoopbackAddress() || ipAddr.isLinkLocalAddress() || ipAddr.isMulticastAddress())) {
                                    sb.append("DNS").append(i + 1).append("=").append(ipAddr.getHostAddress()).append("\n");
                                }
                            }
                        } else {
                            s_logger.debug("no DNS entries");
                        }
                        allowWrite = true;
                    }
                }
            } else {
                s_logger.debug("netConfigs is null");
            }
            // WIFI
            if (netInterfaceAddressConfig instanceof WifiInterfaceAddressConfig) {
                s_logger.debug("new config is a WifiInterfaceAddressConfig");
                sb.append("\n#Wireless configuration\n");
                // MODE
                String mode = null;
                WifiMode wifiMode = ((WifiInterfaceAddressConfig) netInterfaceAddressConfig).getMode();
                if (wifiMode == WifiMode.INFRA) {
                    mode = "Managed";
                } else if (wifiMode == WifiMode.MASTER) {
                    mode = "Master";
                } else if (wifiMode == WifiMode.ADHOC) {
                    mode = "Ad-Hoc";
                } else if (wifiMode == null) {
                    s_logger.error("WifiMode is null");
                    mode = "null";
                } else {
                    mode = wifiMode.toString();
                }
                sb.append("MODE=").append(mode).append("\n");
            }
        }
        if (allowWrite) {
            FileOutputStream fos = null;
            PrintWriter pw = null;
            try {
                fos = new FileOutputStream(tmpOutputFileName);
                pw = new PrintWriter(fos);
                pw.write(sb.toString());
                pw.flush();
                fos.getFD().sync();
            } catch (Exception e) {
                throw new KuraException(KuraErrorCode.INTERNAL_ERROR, e);
            } finally {
                if (fos != null) {
                    try {
                        fos.close();
                    } catch (IOException ex) {
                        s_logger.error("I/O Exception while closing BufferedReader!");
                    }
                }
                if (pw != null) {
                    pw.close();
                }
            }
            // move the file if we made it this far
            File tmpFile = new File(tmpOutputFileName);
            File outputFile = new File(outputFileName);
            try {
                if (!FileUtils.contentEquals(tmpFile, outputFile)) {
                    if (tmpFile.renameTo(outputFile)) {
                        s_logger.trace("Successfully wrote network interface file for {}", interfaceName);
                    } else {
                        s_logger.error("Failed to write network interface file");
                        throw new KuraException(KuraErrorCode.CONFIGURATION_ERROR, "error while building up new configuration file for network interface " + interfaceName);
                    }
                } else {
                    s_logger.info("Not rewriting network interfaces file for " + interfaceName + " because it is the same");
                }
            } catch (IOException e) {
                throw new KuraException(KuraErrorCode.INTERNAL_ERROR, e);
            }
        } else {
            s_logger.warn("writeNewConfig :: operation is not allowed");
        }
    }
}

Example 9 with IPAddress

use of org.eclipse.kura.net.IPAddress in project kura by eclipse.

the class GwtNetworkServiceImpl method updateDeviceFirewallPortForwards.

@Override
public void updateDeviceFirewallPortForwards(GwtXSRFToken xsrfToken, List<GwtFirewallPortForwardEntry> entries) throws GwtKuraException {
    s_logger.debug("updateDeviceFirewallPortForwards() :: updating port forward entries");
    checkXSRFToken(xsrfToken);
    NetworkAdminService nas = ServiceLocator.getInstance().getService(NetworkAdminService.class);
    List<FirewallPortForwardConfigIP<? extends IPAddress>> firewallPortForwardConfigIPs = new ArrayList<FirewallPortForwardConfigIP<? extends IPAddress>>();
    try {
        for (GwtFirewallPortForwardEntry entry : entries) {
            String network = null;
            String prefix = null;
            if (entry.getPermittedNetwork() != null) {
                String[] parts = entry.getPermittedNetwork().split("/");
                network = parts[0];
                prefix = parts[1];
            }
            FirewallPortForwardConfigIP<IP4Address> firewallPortForwardConfigIP = new FirewallPortForwardConfigIP4();
            firewallPortForwardConfigIP.setInboundInterface(GwtSafeHtmlUtils.htmlEscape(entry.getInboundInterface()));
            firewallPortForwardConfigIP.setOutboundInterface(GwtSafeHtmlUtils.htmlEscape(entry.getOutboundInterface()));
            firewallPortForwardConfigIP.setAddress((IP4Address) IPAddress.parseHostAddress(GwtSafeHtmlUtils.htmlEscape(entry.getAddress())));
            firewallPortForwardConfigIP.setProtocol(NetProtocol.valueOf(GwtSafeHtmlUtils.htmlEscape(entry.getProtocol())));
            firewallPortForwardConfigIP.setInPort(entry.getInPort());
            firewallPortForwardConfigIP.setOutPort(entry.getOutPort());
            boolean masquerade = entry.getMasquerade().equals("yes") ? true : false;
            firewallPortForwardConfigIP.setMasquerade(masquerade);
            if (network != null && prefix != null) {
                firewallPortForwardConfigIP.setPermittedNetwork(new NetworkPair<IP4Address>((IP4Address) IPAddress.parseHostAddress(network), Short.parseShort(prefix)));
            }
            firewallPortForwardConfigIP.setPermittedMac(GwtSafeHtmlUtils.htmlEscape(entry.getPermittedMAC()));
            firewallPortForwardConfigIP.setSourcePortRange(GwtSafeHtmlUtils.htmlEscape(entry.getSourcePortRange()));
            s_logger.debug("adding port forward entry for inbound iface {} - port {}", GwtSafeHtmlUtils.htmlEscape(entry.getInboundInterface()), entry.getInPort());
            firewallPortForwardConfigIPs.add(firewallPortForwardConfigIP);
        }
        nas.setFirewallPortForwardingConfiguration(firewallPortForwardConfigIPs);
    } catch (KuraException e) {
        s_logger.warn("Exception while updating firewall port forwards", e);
        throw new GwtKuraException(GwtKuraErrorCode.INTERNAL_ERROR, e);
    } catch (NumberFormatException e) {
        s_logger.warn("Exception while updating firewall port forwards", e);
        throw new GwtKuraException(GwtKuraErrorCode.INTERNAL_ERROR, e);
    } catch (UnknownHostException e) {
        s_logger.warn("Exception while updating firewall port forwards", e);
        throw new GwtKuraException(GwtKuraErrorCode.INTERNAL_ERROR, e);
    }
}

Example 10 with IPAddress

use of org.eclipse.kura.net.IPAddress in project kura by eclipse.

the class GwtNetworkServiceImpl method privateFindNetInterfaceConfigurations.

@SuppressWarnings({ "unchecked", "rawtypes" })
private List<GwtNetInterfaceConfig> privateFindNetInterfaceConfigurations() throws GwtKuraException {
    s_logger.debug("Starting");
    List<GwtNetInterfaceConfig> gwtNetConfigs = new ArrayList<GwtNetInterfaceConfig>();
    NetworkAdminService nas = null;
    try {
        nas = ServiceLocator.getInstance().getService(NetworkAdminService.class);
    } catch (Throwable t) {
        s_logger.warn("Exception", t);
        return gwtNetConfigs;
    }
    ModemManagerService modemManagerService = null;
    try {
        modemManagerService = ServiceLocator.getInstance().getService(ModemManagerService.class);
    } catch (Throwable t) {
        s_logger.warn("{ModemManagerService} Exception", t);
    }
    WifiClientMonitorService wifiClientMonitorService = null;
    try {
        wifiClientMonitorService = ServiceLocator.getInstance().getService(WifiClientMonitorService.class);
    } catch (Throwable t) {
        s_logger.warn("{WifiClientMonitorService} Exception", t);
    }
    try {
        GwtNetInterfaceConfig gwtNetConfig = null;
        for (NetInterfaceConfig<? extends NetInterfaceAddressConfig> netIfConfig : nas.getNetworkInterfaceConfigs()) {
            s_logger.debug("Getting config for {} with type {}", netIfConfig.getName(), netIfConfig.getType());
            s_logger.debug("Interface State: {}", netIfConfig.getState());
            if (netIfConfig.getType() == NetInterfaceType.WIFI) {
                gwtNetConfig = new GwtWifiNetInterfaceConfig();
            } else if (netIfConfig.getType() == NetInterfaceType.MODEM) {
                gwtNetConfig = new GwtModemInterfaceConfig();
                ((GwtModemInterfaceConfig) gwtNetConfig).setModemId(((ModemInterface) netIfConfig).getModemIdentifier());
                ((GwtModemInterfaceConfig) gwtNetConfig).setManufacturer(((ModemInterface) netIfConfig).getManufacturer());
                ((GwtModemInterfaceConfig) gwtNetConfig).setModel(((ModemInterface) netIfConfig).getModel());
                List<String> technologyList = new ArrayList<String>();
                List<ModemTechnologyType> technologyTypes = ((ModemInterface) netIfConfig).getTechnologyTypes();
                if (technologyTypes != null) {
                    for (ModemTechnologyType techType : technologyTypes) {
                        technologyList.add(techType.name());
                    }
                }
                ((GwtModemInterfaceConfig) gwtNetConfig).setNetworkTechnology(technologyList);
            } else {
                gwtNetConfig = new GwtNetInterfaceConfig();
                gwtNetConfig.setHwRssi("N/A");
            }
            gwtNetConfig.setName(netIfConfig.getName());
            gwtNetConfig.setHwName(netIfConfig.getName());
            if (netIfConfig.getType() != null) {
                gwtNetConfig.setHwType(netIfConfig.getType().name());
            }
            if (netIfConfig.getState() != null) {
                gwtNetConfig.setHwState(netIfConfig.getState().name());
            }
            s_logger.debug("MAC: {}", NetUtil.hardwareAddressToString(netIfConfig.getHardwareAddress()));
            gwtNetConfig.setHwAddress(NetUtil.hardwareAddressToString(netIfConfig.getHardwareAddress()));
            gwtNetConfig.setHwDriver(netIfConfig.getDriver());
            gwtNetConfig.setHwDriverVersion(netIfConfig.getDriverVersion());
            gwtNetConfig.setHwFirmware(netIfConfig.getFirmwareVersion());
            gwtNetConfig.setHwMTU(netIfConfig.getMTU());
            if (netIfConfig.getUsbDevice() != null) {
                gwtNetConfig.setHwUsbDevice(netIfConfig.getUsbDevice().getUsbDevicePath());
            } else {
                gwtNetConfig.setHwUsbDevice("N/A");
            }
            List<? extends NetInterfaceAddressConfig> addressConfigs = netIfConfig.getNetInterfaceAddresses();
            if (addressConfigs != null && !addressConfigs.isEmpty()) {
                for (NetInterfaceAddressConfig addressConfig : addressConfigs) {
                    // current status - not configuration!
                    if (addressConfig.getAddress() != null) {
                        s_logger.debug("current address: {}", addressConfig.getAddress().getHostAddress());
                    }
                    if (addressConfig.getNetworkPrefixLength() >= 0 && addressConfig.getNetworkPrefixLength() <= 32) {
                        s_logger.debug("current prefix length: {}", addressConfig.getNetworkPrefixLength());
                    }
                    if (addressConfig.getNetmask() != null) {
                        s_logger.debug("current netmask: {}", addressConfig.getNetmask().getHostAddress());
                    }
                    List<NetConfig> netConfigs = addressConfig.getConfigs();
                    if (netConfigs != null && !netConfigs.isEmpty()) {
                        boolean isNatEnabled = false;
                        boolean isDhcpServerEnabled = false;
                        for (NetConfig netConfig : netConfigs) {
                            if (netConfig instanceof NetConfigIP4) {
                                s_logger.debug("Setting up NetConfigIP4 with status {}", ((NetConfigIP4) netConfig).getStatus().toString());
                                // we are enabled - for LAN or WAN?
                                if (((NetConfigIP4) netConfig).getStatus() == NetInterfaceStatus.netIPv4StatusEnabledLAN) {
                                    gwtNetConfig.setStatus(GwtNetIfStatus.netIPv4StatusEnabledLAN.name());
                                } else if (((NetConfigIP4) netConfig).getStatus() == NetInterfaceStatus.netIPv4StatusEnabledWAN) {
                                    gwtNetConfig.setStatus(GwtNetIfStatus.netIPv4StatusEnabledWAN.name());
                                } else {
                                    gwtNetConfig.setStatus(GwtNetIfStatus.netIPv4StatusDisabled.name());
                                }
                                if (((NetConfigIP4) netConfig).isDhcp()) {
                                    gwtNetConfig.setConfigMode(GwtNetIfConfigMode.netIPv4ConfigModeDHCP.name());
                                    // since DHCP - populate current data
                                    if (addressConfig.getAddress() != null) {
                                        gwtNetConfig.setIpAddress(addressConfig.getAddress().getHostAddress());
                                    } else {
                                        gwtNetConfig.setIpAddress("");
                                    }
                                    if (addressConfig.getNetworkPrefixLength() >= 0 && addressConfig.getNetworkPrefixLength() <= 32) {
                                        gwtNetConfig.setSubnetMask(NetworkUtil.getNetmaskStringForm(addressConfig.getNetworkPrefixLength()));
                                    } else {
                                        if (addressConfig.getNetmask() != null) {
                                            gwtNetConfig.setSubnetMask(addressConfig.getNetmask().getHostAddress());
                                        } else {
                                            gwtNetConfig.setSubnetMask("");
                                        }
                                    }
                                    if (addressConfig.getGateway() != null) {
                                        gwtNetConfig.setGateway(addressConfig.getGateway().getHostAddress());
                                    } else {
                                        gwtNetConfig.setGateway("");
                                    }
                                    // DHCP supplied DNS servers
                                    StringBuffer sb = new StringBuffer();
                                    List<? extends IPAddress> dnsServers = addressConfig.getDnsServers();
                                    if (dnsServers != null && !dnsServers.isEmpty()) {
                                        String sep = "";
                                        for (IPAddress dnsServer : dnsServers) {
                                            sb.append(sep).append(dnsServer.getHostAddress());
                                            sep = "\n";
                                        }
                                        s_logger.debug("DNS Servers: {}", sb);
                                        gwtNetConfig.setReadOnlyDnsServers(sb.toString());
                                    } else {
                                        s_logger.debug("DNS Servers: [empty String]");
                                        gwtNetConfig.setReadOnlyDnsServers("");
                                    }
                                } else {
                                    gwtNetConfig.setConfigMode(GwtNetIfConfigMode.netIPv4ConfigModeManual.name());
                                    // TODO - should we throw an error if current state doesn't match configuration?
                                    if (((NetConfigIP4) netConfig).getAddress() != null) {
                                        gwtNetConfig.setIpAddress(((NetConfigIP4) netConfig).getAddress().getHostAddress());
                                    } else {
                                        gwtNetConfig.setIpAddress("");
                                    }
                                    if (((NetConfigIP4) netConfig).getSubnetMask() != null) {
                                        gwtNetConfig.setSubnetMask(((NetConfigIP4) netConfig).getSubnetMask().getHostAddress());
                                    } else {
                                        gwtNetConfig.setSubnetMask("");
                                    }
                                    if (((NetConfigIP4) netConfig).getGateway() != null) {
                                        s_logger.debug("Gateway for {} is: {}", netIfConfig.getName(), ((NetConfigIP4) netConfig).getGateway().getHostAddress());
                                        gwtNetConfig.setGateway(((NetConfigIP4) netConfig).getGateway().getHostAddress());
                                    } else {
                                        gwtNetConfig.setGateway("");
                                    }
                                }
                                // Custom DNS servers
                                StringBuffer sb = new StringBuffer();
                                List<IP4Address> dnsServers = ((NetConfigIP4) netConfig).getDnsServers();
                                if (dnsServers != null && !dnsServers.isEmpty()) {
                                    for (IP4Address dnsServer : dnsServers) {
                                        if (!dnsServer.getHostAddress().equals("127.0.0.1")) {
                                            sb.append(' ').append(dnsServer.getHostAddress());
                                        }
                                    }
                                    s_logger.debug("DNS Servers: {}", sb);
                                    gwtNetConfig.setDnsServers(sb.toString().trim());
                                } else {
                                    s_logger.debug("DNS Servers: [empty String]");
                                    gwtNetConfig.setDnsServers("");
                                }
                                // Search domains
                                sb = new StringBuffer();
                                List<IP4Address> winsServers = ((NetConfigIP4) netConfig).getWinsServers();
                                if (winsServers != null && !winsServers.isEmpty()) {
                                    for (IP4Address winServer : winsServers) {
                                        sb.append(winServer.getHostAddress());
                                        sb.append("\n");
                                    }
                                    s_logger.debug("Search Domains: {}", sb);
                                    gwtNetConfig.setSearchDomains(sb.toString());
                                } else {
                                    s_logger.debug("Search Domains: [empty String]");
                                    gwtNetConfig.setSearchDomains("");
                                }
                            }
                            // config
                            if (netConfig instanceof WifiConfig) {
                                s_logger.debug("Setting up WifiConfigIP4");
                                WifiConfig wifiConfig = (WifiConfig) netConfig;
                                GwtWifiConfig gwtWifiConfig = new GwtWifiConfig();
                                // mode
                                if (wifiConfig.getMode() == WifiMode.MASTER) {
                                    gwtWifiConfig.setWirelessMode(GwtWifiWirelessMode.netWifiWirelessModeAccessPoint.name());
                                    // set as the access point config for this interface
                                    ((GwtWifiNetInterfaceConfig) gwtNetConfig).setAccessPointWifiConfig(gwtWifiConfig);
                                } else if (wifiConfig.getMode() == WifiMode.INFRA) {
                                    gwtWifiConfig.setWirelessMode(GwtWifiWirelessMode.netWifiWirelessModeStation.name());
                                    // set as the station config for this interface
                                    ((GwtWifiNetInterfaceConfig) gwtNetConfig).setStationWifiConfig(gwtWifiConfig);
                                } else if (wifiConfig.getMode() == WifiMode.ADHOC) {
                                    gwtWifiConfig.setWirelessMode(GwtWifiWirelessMode.netWifiWirelessModeAdHoc.name());
                                    // set as the adhoc config for this interface
                                    ((GwtWifiNetInterfaceConfig) gwtNetConfig).setAdhocWifiConfig(gwtWifiConfig);
                                }
                                // ssid
                                gwtWifiConfig.setWirelessSsid(wifiConfig.getSSID());
                                // driver
                                gwtWifiConfig.setDriver(wifiConfig.getDriver());
                                // security
                                if (wifiConfig.getSecurity() == WifiSecurity.SECURITY_WPA) {
                                    gwtWifiConfig.setSecurity(GwtWifiSecurity.netWifiSecurityWPA.name());
                                } else if (wifiConfig.getSecurity() == WifiSecurity.SECURITY_WPA2) {
                                    gwtWifiConfig.setSecurity(GwtWifiSecurity.netWifiSecurityWPA2.name());
                                } else if (wifiConfig.getSecurity() == WifiSecurity.SECURITY_WPA_WPA2) {
                                    gwtWifiConfig.setSecurity(GwtWifiSecurity.netWifiSecurityWPA_WPA2.name());
                                } else if (wifiConfig.getSecurity() == WifiSecurity.SECURITY_WEP) {
                                    gwtWifiConfig.setSecurity(GwtWifiSecurity.netWifiSecurityWEP.name());
                                } else {
                                    gwtWifiConfig.setSecurity(GwtWifiSecurity.netWifiSecurityNONE.name());
                                }
                                if (wifiConfig.getPairwiseCiphers() == WifiCiphers.CCMP_TKIP) {
                                    gwtWifiConfig.setPairwiseCiphers(GwtWifiCiphers.netWifiCiphers_CCMP_TKIP.name());
                                } else if (wifiConfig.getPairwiseCiphers() == WifiCiphers.TKIP) {
                                    gwtWifiConfig.setPairwiseCiphers(GwtWifiCiphers.netWifiCiphers_TKIP.name());
                                } else if (wifiConfig.getPairwiseCiphers() == WifiCiphers.CCMP) {
                                    gwtWifiConfig.setPairwiseCiphers(GwtWifiCiphers.netWifiCiphers_CCMP.name());
                                }
                                if (wifiConfig.getGroupCiphers() == WifiCiphers.CCMP_TKIP) {
                                    gwtWifiConfig.setGroupCiphers(GwtWifiCiphers.netWifiCiphers_CCMP_TKIP.name());
                                } else if (wifiConfig.getGroupCiphers() == WifiCiphers.TKIP) {
                                    gwtWifiConfig.setGroupCiphers(GwtWifiCiphers.netWifiCiphers_TKIP.name());
                                } else if (wifiConfig.getGroupCiphers() == WifiCiphers.CCMP) {
                                    gwtWifiConfig.setGroupCiphers(GwtWifiCiphers.netWifiCiphers_CCMP.name());
                                }
                                // bgscan
                                WifiBgscan wifiBgscan = wifiConfig.getBgscan();
                                if (wifiBgscan != null) {
                                    if (wifiBgscan.getModule() == WifiBgscanModule.NONE) {
                                        gwtWifiConfig.setBgscanModule(GwtWifiBgscanModule.netWifiBgscanMode_NONE.name());
                                    } else if (wifiBgscan.getModule() == WifiBgscanModule.SIMPLE) {
                                        gwtWifiConfig.setBgscanModule(GwtWifiBgscanModule.netWifiBgscanMode_SIMPLE.name());
                                    } else if (wifiBgscan.getModule() == WifiBgscanModule.LEARN) {
                                        gwtWifiConfig.setBgscanModule(GwtWifiBgscanModule.netWifiBgscanMode_LEARN.name());
                                    }
                                    gwtWifiConfig.setBgscanRssiThreshold(wifiBgscan.getRssiThreshold());
                                    gwtWifiConfig.setBgscanShortInterval(wifiBgscan.getShortInterval());
                                    gwtWifiConfig.setBgscanLongInterval(wifiBgscan.getLongInterval());
                                }
                                // ping access point?
                                gwtWifiConfig.setPingAccessPoint(wifiConfig.pingAccessPoint());
                                // ignore SSID?
                                gwtWifiConfig.setIgnoreSSID(wifiConfig.ignoreSSID());
                                // passkey
                                Password psswd = wifiConfig.getPasskey();
                                if (psswd != null) {
                                    String password = new String(psswd.getPassword());
                                    gwtWifiConfig.setPassword(password);
                                }
                                // channel
                                int[] channels = wifiConfig.getChannels();
                                if (channels != null) {
                                    ArrayList<Integer> alChannels = new ArrayList<Integer>();
                                    for (int channel : channels) {
                                        alChannels.add(new Integer(channel));
                                    }
                                    gwtWifiConfig.setChannels(alChannels);
                                }
                                // radio mode
                                GwtWifiRadioMode gwtWifiRadioMode = null;
                                if (wifiConfig.getRadioMode() != null) {
                                    switch(wifiConfig.getRadioMode()) {
                                        case RADIO_MODE_80211a:
                                            gwtWifiRadioMode = GwtWifiRadioMode.netWifiRadioModeA;
                                            break;
                                        case RADIO_MODE_80211b:
                                            gwtWifiRadioMode = GwtWifiRadioMode.netWifiRadioModeB;
                                            break;
                                        case RADIO_MODE_80211g:
                                            gwtWifiRadioMode = GwtWifiRadioMode.netWifiRadioModeBG;
                                            break;
                                        case RADIO_MODE_80211nHT20:
                                        case RADIO_MODE_80211nHT40above:
                                        case RADIO_MODE_80211nHT40below:
                                            gwtWifiRadioMode = GwtWifiRadioMode.netWifiRadioModeBGN;
                                            break;
                                        default:
                                            break;
                                    }
                                }
                                if (gwtWifiRadioMode != null) {
                                    gwtWifiConfig.setRadioMode(gwtWifiRadioMode.name());
                                }
                                // set the currently active mode based on the address config
                                WifiMode activeWirelessMode = ((WifiInterfaceAddressConfig) addressConfig).getMode();
                                if (activeWirelessMode == WifiMode.MASTER) {
                                    ((GwtWifiNetInterfaceConfig) gwtNetConfig).setWirelessMode(GwtWifiWirelessMode.netWifiWirelessModeAccessPoint.name());
                                    gwtNetConfig.setHwRssi("N/A");
                                } else if (activeWirelessMode == WifiMode.INFRA) {
                                    ((GwtWifiNetInterfaceConfig) gwtNetConfig).setWirelessMode(GwtWifiWirelessMode.netWifiWirelessModeStation.name());
                                    if (wifiClientMonitorService != null) {
                                        if (wifiConfig.getMode().equals(WifiMode.INFRA)) {
                                            if (gwtNetConfig.getStatus().equals(GwtNetIfStatus.netIPv4StatusDisabled.name())) {
                                                gwtNetConfig.setHwRssi("N/A");
                                            } else {
                                                try {
                                                    int rssi = wifiClientMonitorService.getSignalLevel(netIfConfig.getName(), wifiConfig.getSSID());
                                                    s_logger.debug("Setting Received Signal Strength to {}", rssi);
                                                    gwtNetConfig.setHwRssi(Integer.toString(rssi));
                                                } catch (KuraException e) {
                                                    s_logger.warn("Failed", e);
                                                }
                                            }
                                        }
                                    }
                                } else if (activeWirelessMode == WifiMode.ADHOC) {
                                    ((GwtWifiNetInterfaceConfig) gwtNetConfig).setWirelessMode(GwtWifiWirelessMode.netWifiWirelessModeAdHoc.name());
                                    gwtNetConfig.setHwRssi("N/A");
                                } else {
                                    ((GwtWifiNetInterfaceConfig) gwtNetConfig).setWirelessMode(GwtWifiWirelessMode.netWifiWirelessModeDisabled.name());
                                    gwtNetConfig.setHwRssi("N/A");
                                }
                            }
                            if (netConfig instanceof ModemConfig) {
                                s_logger.debug("Setting up ModemConfig");
                                ModemConfig modemConfig = (ModemConfig) netConfig;
                                GwtModemInterfaceConfig gwtModemConfig = (GwtModemInterfaceConfig) gwtNetConfig;
                                if (modemManagerService != null) {
                                    UsbDevice usbDevice = netIfConfig.getUsbDevice();
                                    String modemServiceId = null;
                                    if (usbDevice != null) {
                                        modemServiceId = netIfConfig.getUsbDevice().getUsbPort();
                                    } else {
                                        Collection<CellularModem> modemServices = modemManagerService.getAllModemServices();
                                        for (CellularModem modemService : modemServices) {
                                            ModemDevice modemDevice = modemService.getModemDevice();
                                            if (modemDevice instanceof SerialModemDevice) {
                                                modemServiceId = modemDevice.getProductName();
                                                break;
                                            }
                                        }
                                    }
                                    if (modemServiceId != null) {
                                        CellularModem cellModemService = modemManagerService.getModemService(modemServiceId);
                                        if (cellModemService != null) {
                                            try {
                                                String imei = cellModemService.getSerialNumber();
                                                s_logger.debug("Setting IMEI/MEID to {}", imei);
                                                gwtModemConfig.setHwSerial(imei);
                                            } catch (KuraException e) {
                                                s_logger.warn("Failed to get IMEI from modem", e);
                                            }
                                            try {
                                                int rssi = cellModemService.getSignalStrength();
                                                s_logger.debug("Setting Received Signal Strength to {}", rssi);
                                                gwtModemConfig.setHwRssi(Integer.toString(rssi));
                                            } catch (KuraException e) {
                                                s_logger.warn("Failed to get Received Signal Strength from modem", e);
                                            }
                                            try {
                                                String sModel = cellModemService.getModel();
                                                ((GwtModemInterfaceConfig) gwtNetConfig).setModel(sModel);
                                            } catch (KuraException e) {
                                                s_logger.warn("Failed to get model information from modem", e);
                                            }
                                            try {
                                                boolean gpsSupported = cellModemService.isGpsSupported();
                                                s_logger.debug("Setting GPS supported to {}", gpsSupported);
                                                ((GwtModemInterfaceConfig) gwtNetConfig).setGpsSupported(gpsSupported);
                                            } catch (KuraException e) {
                                                s_logger.warn("Failed to get GPS supported from modem", e);
                                            }
                                        }
                                    }
                                }
                                // set as DHCP - populate current address
                                gwtModemConfig.setConfigMode(GwtNetIfConfigMode.netIPv4ConfigModeDHCP.name());
                                if (addressConfig.getAddress() != null) {
                                    gwtModemConfig.setIpAddress(addressConfig.getAddress().getHostAddress());
                                }
                                if (addressConfig.getNetmask() != null) {
                                    gwtModemConfig.setSubnetMask(addressConfig.getNetmask().getHostAddress());
                                }
                                gwtModemConfig.setDialString(modemConfig.getDialString());
                                AuthType authType = modemConfig.getAuthType();
                                if (authType == AuthType.AUTO) {
                                    gwtModemConfig.setAuthType(GwtModemAuthType.netModemAuthAUTO);
                                } else if (authType == AuthType.CHAP) {
                                    gwtModemConfig.setAuthType(GwtModemAuthType.netModemAuthCHAP);
                                } else if (authType == AuthType.PAP) {
                                    gwtModemConfig.setAuthType(GwtModemAuthType.netModemAuthPAP);
                                } else {
                                    gwtModemConfig.setAuthType(GwtModemAuthType.netModemAuthNONE);
                                }
                                gwtModemConfig.setUsername(modemConfig.getUsername());
                                gwtModemConfig.setPassword(modemConfig.getPassword());
                                gwtModemConfig.setPppNum(modemConfig.getPppNumber());
                                gwtModemConfig.setResetTimeout(modemConfig.getResetTimeout());
                                gwtModemConfig.setPersist(modemConfig.isPersist());
                                gwtModemConfig.setMaxFail(modemConfig.getMaxFail());
                                gwtModemConfig.setIdle(modemConfig.getIdle());
                                gwtModemConfig.setActiveFilter(modemConfig.getActiveFilter());
                                gwtModemConfig.setLcpEchoInterval(modemConfig.getLcpEchoInterval());
                                gwtModemConfig.setLcpEchoFailure(modemConfig.getLcpEchoFailure());
                                gwtModemConfig.setGpsEnabled(modemConfig.isGpsEnabled());
                                gwtModemConfig.setProfileID(modemConfig.getProfileID());
                                PdpType pdpType = modemConfig.getPdpType();
                                if (pdpType == PdpType.IP) {
                                    gwtModemConfig.setPdpType(GwtModemPdpType.netModemPdpIP);
                                } else if (pdpType == PdpType.PPP) {
                                    gwtModemConfig.setPdpType(GwtModemPdpType.netModemPdpPPP);
                                } else if (pdpType == PdpType.IPv6) {
                                    gwtModemConfig.setPdpType(GwtModemPdpType.netModemPdpIPv6);
                                } else {
                                    gwtModemConfig.setPdpType(GwtModemPdpType.netModemPdpUnknown);
                                }
                                gwtModemConfig.setApn(modemConfig.getApn());
                                gwtModemConfig.setDataCompression(modemConfig.getDataCompression());
                                gwtModemConfig.setHeaderCompression(modemConfig.getHeaderCompression());
                                ModemConnectionStatus connectionStatus = ((ModemInterfaceAddressConfig) addressConfig).getConnectionStatus();
                                if (connectionStatus == ModemConnectionStatus.DISCONNECTED) {
                                    gwtModemConfig.setHwState(NetInterfaceState.DISCONNECTED.name());
                                } else if (connectionStatus == ModemConnectionStatus.CONNECTING) {
                                    gwtModemConfig.setHwState(NetInterfaceState.IP_CONFIG.name());
                                } else if (connectionStatus == ModemConnectionStatus.CONNECTED) {
                                    gwtModemConfig.setHwState(NetInterfaceState.ACTIVATED.name());
                                } else {
                                    gwtModemConfig.setHwState(NetInterfaceState.UNKNOWN.name());
                                }
                                gwtModemConfig.setConnectionType(((ModemInterfaceAddressConfig) addressConfig).getConnectionType().name());
                            }
                            if (netConfig instanceof DhcpServerConfigIP4) {
                                s_logger.debug("Setting up DhcpServerConfigIP4: {} to {}", ((DhcpServerConfigIP4) netConfig).getRangeStart().getHostAddress(), ((DhcpServerConfigIP4) netConfig).getRangeEnd().getHostAddress());
                                s_logger.debug("Setting up DhcpServerConfigIP4: {}", ((DhcpServerConfigIP4) netConfig).toString());
                                isDhcpServerEnabled = ((DhcpServerConfigIP4) netConfig).isEnabled();
                                gwtNetConfig.setRouterDhcpBeginAddress(((DhcpServerConfigIP4) netConfig).getRangeStart().getHostAddress());
                                gwtNetConfig.setRouterDhcpEndAddress(((DhcpServerConfigIP4) netConfig).getRangeEnd().getHostAddress());
                                gwtNetConfig.setRouterDhcpSubnetMask(((DhcpServerConfigIP4) netConfig).getSubnetMask().getHostAddress());
                                gwtNetConfig.setRouterDhcpDefaultLease(((DhcpServerConfigIP4) netConfig).getDefaultLeaseTime());
                                gwtNetConfig.setRouterDhcpMaxLease(((DhcpServerConfigIP4) netConfig).getMaximumLeaseTime());
                                gwtNetConfig.setRouterDnsPass(((DhcpServerConfigIP4) netConfig).isPassDns());
                            }
                            if (netConfig instanceof FirewallAutoNatConfig) {
                                s_logger.debug("Setting up FirewallAutoNatConfig");
                                isNatEnabled = true;
                            }
                        // TODO - only dealing with IPv4 right now
                        }
                        // set up the DHCP and NAT config
                        if (isDhcpServerEnabled && isNatEnabled) {
                            s_logger.debug("setting router mode to DHCP and NAT");
                            gwtNetConfig.setRouterMode(GwtNetRouterMode.netRouterDchpNat.name());
                        } else if (isDhcpServerEnabled && !isNatEnabled) {
                            s_logger.debug("setting router mode to DHCP only");
                            gwtNetConfig.setRouterMode(GwtNetRouterMode.netRouterDchp.name());
                        } else if (!isDhcpServerEnabled && isNatEnabled) {
                            s_logger.debug("setting router mode to NAT only");
                            gwtNetConfig.setRouterMode(GwtNetRouterMode.netRouterNat.name());
                        } else {
                            s_logger.debug("setting router mode to disabled");
                            gwtNetConfig.setRouterMode(GwtNetRouterMode.netRouterOff.name());
                        }
                    }
                }
            }
            gwtNetConfigs.add(gwtNetConfig);
        }
    } catch (Throwable t) {
        KuraExceptionHandler.handle(t);
    }
    s_logger.debug("Returning");
    return gwtNetConfigs;
}