Example usage for java.net NetworkInterface getInterfaceAddresses

List of usage examples for java.net NetworkInterface getInterfaceAddresses

  1. HOME
  2. Java
  3. java
  4. java.net.*
  5. NetworkInterface
  6. getInterfaceAddresses

Introduction

In this page you can find the example usage for java.net NetworkInterface getInterfaceAddresses.

Prototype

public java.util.List<InterfaceAddress> getInterfaceAddresses()

Source Link

Document

Get a List of all or a subset of the InterfaceAddresses of this network interface.

Usage

From source file:android_network.hetnet.vpn_service.ServiceSinkhole.java

public static List<InetAddress> getDns(Context context) {
    List<InetAddress> listDns = new ArrayList<>();
    List<String> sysDns = Util.getDefaultDNS(context);

    // Get custom DNS servers
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
    String vpnDns1 = prefs.getString("dns", null);
    String vpnDns2 = prefs.getString("dns2", null);
    Log.i(TAG, "DNS system=" + TextUtils.join(",", sysDns) + " VPN1=" + vpnDns1 + " VPN2=" + vpnDns2);

    if (vpnDns1 != null)
        try {//from  w  ww .ja va  2s.co  m
            InetAddress dns = InetAddress.getByName(vpnDns1);
            if (!(dns.isLoopbackAddress() || dns.isAnyLocalAddress()))
                listDns.add(dns);
        } catch (Throwable ignored) {
        }

    if (vpnDns2 != null)
        try {
            InetAddress dns = InetAddress.getByName(vpnDns2);
            if (!(dns.isLoopbackAddress() || dns.isAnyLocalAddress()))
                listDns.add(dns);
        } catch (Throwable ex) {
            Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
        }

    // Use system DNS servers only when no two custom DNS servers specified
    if (listDns.size() <= 1)
        for (String def_dns : sysDns)
            try {
                InetAddress ddns = InetAddress.getByName(def_dns);
                if (!listDns.contains(ddns) && !(ddns.isLoopbackAddress() || ddns.isAnyLocalAddress()))
                    listDns.add(ddns);
            } catch (Throwable ex) {
                Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
            }

    // Remove local DNS servers when not routing LAN
    boolean lan = prefs.getBoolean("lan", false);
    if (lan) {
        List<InetAddress> listLocal = new ArrayList<>();
        try {
            Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
            if (nis != null)
                while (nis.hasMoreElements()) {
                    NetworkInterface ni = nis.nextElement();
                    if (ni != null && ni.isUp() && !ni.isLoopback()) {
                        List<InterfaceAddress> ias = ni.getInterfaceAddresses();
                        if (ias != null)
                            for (InterfaceAddress ia : ias) {
                                InetAddress hostAddress = ia.getAddress();
                                BigInteger host = new BigInteger(1, hostAddress.getAddress());

                                int prefix = ia.getNetworkPrefixLength();
                                BigInteger mask = BigInteger.valueOf(-1)
                                        .shiftLeft(hostAddress.getAddress().length * 8 - prefix);

                                for (InetAddress dns : listDns)
                                    if (hostAddress.getAddress().length == dns.getAddress().length) {
                                        BigInteger ip = new BigInteger(1, dns.getAddress());

                                        if (host.and(mask).equals(ip.and(mask))) {
                                            Log.i(TAG, "Local DNS server host=" + hostAddress + "/" + prefix
                                                    + " dns=" + dns);
                                            listLocal.add(dns);
                                        }
                                    }
                            }
                    }
                }
        } catch (Throwable ex) {
            Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
        }

        List<InetAddress> listDns4 = new ArrayList<>();
        List<InetAddress> listDns6 = new ArrayList<>();
        try {
            listDns4.add(InetAddress.getByName("8.8.8.8"));
            listDns4.add(InetAddress.getByName("8.8.4.4"));
            listDns6.add(InetAddress.getByName("2001:4860:4860::8888"));
            listDns6.add(InetAddress.getByName("2001:4860:4860::8844"));

        } catch (Throwable ex) {
            Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
        }

        for (InetAddress dns : listLocal) {
            listDns.remove(dns);
            if (dns instanceof Inet4Address) {
                if (listDns4.size() > 0) {
                    listDns.add(listDns4.get(0));
                    listDns4.remove(0);
                }
            } else {
                if (listDns6.size() > 0) {
                    listDns.add(listDns6.get(0));
                    listDns6.remove(0);
                }
            }
        }
    }

    // Prefer IPv4 addresses
    Collections.sort(listDns, new Comparator<InetAddress>() {
        @Override
        public int compare(InetAddress a, InetAddress b) {
            boolean a4 = (a instanceof Inet4Address);
            boolean b4 = (b instanceof Inet4Address);
            if (a4 && !b4)
                return -1;
            else if (!a4 && b4)
                return 1;
            else
                return 0;
        }
    });

    return listDns;
}

From source file:eu.faircode.netguard.ServiceSinkhole.java

public static List<InetAddress> getDns(Context context) {
    List<InetAddress> listDns = new ArrayList<>();
    List<String> sysDns = Util.getDefaultDNS(context);

    // Get custom DNS servers
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
    boolean ip6 = prefs.getBoolean("ip6", true);
    String vpnDns1 = prefs.getString("dns", null);
    String vpnDns2 = prefs.getString("dns2", null);
    Log.i(TAG, "DNS system=" + TextUtils.join(",", sysDns) + " VPN1=" + vpnDns1 + " VPN2=" + vpnDns2);

    if (vpnDns1 != null)
        try {//w w w  .  j  a v  a  2  s  .c o  m
            InetAddress dns = InetAddress.getByName(vpnDns1);
            if (!(dns.isLoopbackAddress() || dns.isAnyLocalAddress()) && (ip6 || dns instanceof Inet4Address))
                listDns.add(dns);
        } catch (Throwable ignored) {
        }

    if (vpnDns2 != null)
        try {
            InetAddress dns = InetAddress.getByName(vpnDns2);
            if (!(dns.isLoopbackAddress() || dns.isAnyLocalAddress()) && (ip6 || dns instanceof Inet4Address))
                listDns.add(dns);
        } catch (Throwable ex) {
            Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
        }

    // Use system DNS servers only when no two custom DNS servers specified
    if (listDns.size() <= 1)
        for (String def_dns : sysDns)
            try {
                InetAddress ddns = InetAddress.getByName(def_dns);
                if (!listDns.contains(ddns) && !(ddns.isLoopbackAddress() || ddns.isAnyLocalAddress())
                        && (ip6 || ddns instanceof Inet4Address))
                    listDns.add(ddns);
            } catch (Throwable ex) {
                Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
            }

    // Remove local DNS servers when not routing LAN
    boolean lan = prefs.getBoolean("lan", false);
    boolean use_hosts = prefs.getBoolean("filter", false) && prefs.getBoolean("use_hosts", false);
    if (lan && use_hosts) {
        List<InetAddress> listLocal = new ArrayList<>();
        try {
            Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
            if (nis != null)
                while (nis.hasMoreElements()) {
                    NetworkInterface ni = nis.nextElement();
                    if (ni != null && ni.isUp() && !ni.isLoopback()) {
                        List<InterfaceAddress> ias = ni.getInterfaceAddresses();
                        if (ias != null)
                            for (InterfaceAddress ia : ias) {
                                InetAddress hostAddress = ia.getAddress();
                                BigInteger host = new BigInteger(1, hostAddress.getAddress());

                                int prefix = ia.getNetworkPrefixLength();
                                BigInteger mask = BigInteger.valueOf(-1)
                                        .shiftLeft(hostAddress.getAddress().length * 8 - prefix);

                                for (InetAddress dns : listDns)
                                    if (hostAddress.getAddress().length == dns.getAddress().length) {
                                        BigInteger ip = new BigInteger(1, dns.getAddress());

                                        if (host.and(mask).equals(ip.and(mask))) {
                                            Log.i(TAG, "Local DNS server host=" + hostAddress + "/" + prefix
                                                    + " dns=" + dns);
                                            listLocal.add(dns);
                                        }
                                    }
                            }
                    }
                }
        } catch (Throwable ex) {
            Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
        }

        List<InetAddress> listDns4 = new ArrayList<>();
        List<InetAddress> listDns6 = new ArrayList<>();
        try {
            listDns4.add(InetAddress.getByName("8.8.8.8"));
            listDns4.add(InetAddress.getByName("8.8.4.4"));
            if (ip6) {
                listDns6.add(InetAddress.getByName("2001:4860:4860::8888"));
                listDns6.add(InetAddress.getByName("2001:4860:4860::8844"));
            }

        } catch (Throwable ex) {
            Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
        }

        for (InetAddress dns : listLocal) {
            listDns.remove(dns);
            if (dns instanceof Inet4Address) {
                if (listDns4.size() > 0) {
                    listDns.add(listDns4.get(0));
                    listDns4.remove(0);
                }
            } else {
                if (listDns6.size() > 0) {
                    listDns.add(listDns6.get(0));
                    listDns6.remove(0);
                }
            }
        }
    }

    return listDns;
}

From source file:com.master.metehan.filtereagle.ServiceSinkhole.java

private Builder getBuilder(List<Rule> listAllowed, List<Rule> listRule) {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
    boolean subnet = prefs.getBoolean("subnet", false);
    boolean tethering = prefs.getBoolean("tethering", false);
    boolean lan = prefs.getBoolean("lan", false);
    boolean ip6 = prefs.getBoolean("ip6", true);
    boolean filter = prefs.getBoolean("filter", false);
    boolean system = prefs.getBoolean("manage_system", false);

    // Build VPN service
    Builder builder = new Builder();
    builder.setSession(getString(R.string.app_name));

    // VPN address
    String vpn4 = prefs.getString("vpn4", "10.1.10.1");
    Log.i(TAG, "vpn4=" + vpn4);
    builder.addAddress(vpn4, 32);/* w  w  w  .  jav a  2s .c  o m*/
    if (ip6) {
        String vpn6 = prefs.getString("vpn6", "fd00:1:fd00:1:fd00:1:fd00:1");
        Log.i(TAG, "vpn6=" + vpn6);
        builder.addAddress(vpn6, 128);
    }

    // DNS address
    if (filter)
        for (InetAddress dns : getDns(ServiceSinkhole.this)) {
            if (ip6 || dns instanceof Inet4Address) {
                Log.i(TAG, "dns=" + dns);
                builder.addDnsServer(dns);
            }
        }

    // Subnet routing
    if (subnet) {
        // Exclude IP ranges
        List<IPUtil.CIDR> listExclude = new ArrayList<>();
        listExclude.add(new IPUtil.CIDR("127.0.0.0", 8)); // localhost

        if (tethering) {
            // USB Tethering 192.168.42.x
            // Wi-Fi Tethering 192.168.43.x
            listExclude.add(new IPUtil.CIDR("192.168.42.0", 23));
        }

        if (lan) {
            try {
                Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
                while (nis.hasMoreElements()) {
                    NetworkInterface ni = nis.nextElement();
                    if (ni != null && ni.isUp() && !ni.isLoopback() && ni.getName() != null
                            && !ni.getName().startsWith("tun"))
                        for (InterfaceAddress ia : ni.getInterfaceAddresses())
                            if (ia.getAddress() instanceof Inet4Address) {
                                IPUtil.CIDR local = new IPUtil.CIDR(ia.getAddress(),
                                        ia.getNetworkPrefixLength());
                                Log.i(TAG, "Excluding " + ni.getName() + " " + local);
                                listExclude.add(local);
                            }
                }
            } catch (SocketException ex) {
                Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
            }
        }

        Configuration config = getResources().getConfiguration();
        if (config.mcc == 310 && config.mnc == 260) {
            // T-Mobile Wi-Fi calling
            listExclude.add(new IPUtil.CIDR("66.94.2.0", 24));
            listExclude.add(new IPUtil.CIDR("66.94.6.0", 23));
            listExclude.add(new IPUtil.CIDR("66.94.8.0", 22));
            listExclude.add(new IPUtil.CIDR("208.54.0.0", 16));
        }
        listExclude.add(new IPUtil.CIDR("224.0.0.0", 3)); // broadcast

        Collections.sort(listExclude);

        try {
            InetAddress start = InetAddress.getByName("0.0.0.0");
            for (IPUtil.CIDR exclude : listExclude) {
                Log.i(TAG, "Exclude " + exclude.getStart().getHostAddress() + "..."
                        + exclude.getEnd().getHostAddress());
                for (IPUtil.CIDR include : IPUtil.toCIDR(start, IPUtil.minus1(exclude.getStart())))
                    try {
                        builder.addRoute(include.address, include.prefix);
                    } catch (Throwable ex) {
                        Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                    }
                start = IPUtil.plus1(exclude.getEnd());
            }
            for (IPUtil.CIDR include : IPUtil.toCIDR("224.0.0.0", "255.255.255.255"))
                try {
                    builder.addRoute(include.address, include.prefix);
                } catch (Throwable ex) {
                    Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                }
        } catch (UnknownHostException ex) {
            Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
        }
    } else
        builder.addRoute("0.0.0.0", 0);

    Log.i(TAG, "IPv6=" + ip6);
    if (ip6)
        builder.addRoute("0:0:0:0:0:0:0:0", 0);

    // MTU
    int mtu = jni_get_mtu();
    Log.i(TAG, "MTU=" + mtu);
    builder.setMtu(mtu);

    // Add list of allowed applications
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
        if (last_connected && !filter)
            for (Rule rule : listAllowed)
                try {
                    builder.addDisallowedApplication(rule.info.packageName);
                } catch (PackageManager.NameNotFoundException ex) {
                    Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                }
        else if (filter)
            for (Rule rule : listRule)
                if (!rule.apply || (!system && rule.system))
                    try {
                        Log.i(TAG, "Not routing " + rule.info.packageName);
                        builder.addDisallowedApplication(rule.info.packageName);
                    } catch (PackageManager.NameNotFoundException ex) {
                        Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                    }

    // Build configure intent
    Intent configure = new Intent(this, ActivityMain.class);
    PendingIntent pi = PendingIntent.getActivity(this, 0, configure, PendingIntent.FLAG_UPDATE_CURRENT);
    builder.setConfigureIntent(pi);

    return builder;
}

From source file:com.zhengde163.netguard.ServiceSinkhole.java

private Builder getBuilder(List<Rule> listAllowed, List<Rule> listRule) {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
    boolean subnet = prefs.getBoolean("subnet", false);
    boolean tethering = prefs.getBoolean("tethering", false);
    boolean lan = prefs.getBoolean("lan", false);
    boolean ip6 = prefs.getBoolean("ip6", true);
    boolean filter = prefs.getBoolean("filter", false);
    boolean system = prefs.getBoolean("manage_system", false);

    // Build VPN service
    Builder builder = new Builder();
    builder.setSession(getString(R.string.app_name));

    // VPN address
    String vpn4 = prefs.getString("vpn4", "10.1.10.1");
    Log.i(TAG, "vpn4=" + vpn4);
    builder.addAddress(vpn4, 32);//www  .j  a  v a2 s  .  com
    if (ip6) {
        String vpn6 = prefs.getString("vpn6", "fd00:1:fd00:1:fd00:1:fd00:1");
        Log.i(TAG, "vpn6=" + vpn6);
        builder.addAddress(vpn6, 128);
    }

    // DNS address
    if (filter)
        for (InetAddress dns : getDns(ServiceSinkhole.this)) {
            if (ip6 || dns instanceof Inet4Address) {
                Log.i(TAG, "dns=" + dns);
                builder.addDnsServer(dns);
            }
        }

    // Subnet routing
    if (subnet) {
        // Exclude IP ranges
        List<IPUtil.CIDR> listExclude = new ArrayList<>();
        listExclude.add(new IPUtil.CIDR("127.0.0.0", 8)); // localhost

        if (tethering) {
            // USB Tethering 192.168.42.x
            // Wi-Fi Tethering 192.168.43.x
            listExclude.add(new IPUtil.CIDR("192.168.42.0", 23));
        }

        if (lan) {
            try {
                Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
                while (nis.hasMoreElements()) {
                    NetworkInterface ni = nis.nextElement();
                    if (ni != null && ni.isUp() && !ni.isLoopback() && ni.getName() != null
                            && !ni.getName().startsWith("tun"))
                        for (InterfaceAddress ia : ni.getInterfaceAddresses())
                            if (ia.getAddress() instanceof Inet4Address) {
                                IPUtil.CIDR local = new IPUtil.CIDR(ia.getAddress(),
                                        ia.getNetworkPrefixLength());
                                Log.i(TAG, "Excluding " + ni.getName() + " " + local);
                                listExclude.add(local);
                            }
                }
            } catch (SocketException ex) {
                Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
            }
        }

        Configuration config = getResources().getConfiguration();
        if (config.mcc == 310 && config.mnc == 260) {
            // T-Mobile Wi-Fi calling
            listExclude.add(new IPUtil.CIDR("66.94.2.0", 24));
            listExclude.add(new IPUtil.CIDR("66.94.6.0", 23));
            listExclude.add(new IPUtil.CIDR("66.94.8.0", 22));
            listExclude.add(new IPUtil.CIDR("208.54.0.0", 16));
        }
        listExclude.add(new IPUtil.CIDR("224.0.0.0", 3)); // broadcast

        Collections.sort(listExclude);

        try {
            InetAddress start = InetAddress.getByName("0.0.0.0");
            for (IPUtil.CIDR exclude : listExclude) {
                Log.i(TAG, "Exclude " + exclude.getStart().getHostAddress() + "..."
                        + exclude.getEnd().getHostAddress());
                for (IPUtil.CIDR include : IPUtil.toCIDR(start, IPUtil.minus1(exclude.getStart())))
                    try {
                        builder.addRoute(include.address, include.prefix);
                    } catch (Throwable ex) {
                        Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                    }
                start = IPUtil.plus1(exclude.getEnd());
            }
            for (IPUtil.CIDR include : IPUtil.toCIDR("224.0.0.0", "255.255.255.255"))
                try {
                    builder.addRoute(include.address, include.prefix);
                } catch (Throwable ex) {
                    Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                }
        } catch (UnknownHostException ex) {
            Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
        }
    } else
        builder.addRoute("0.0.0.0", 0);

    Log.i(TAG, "IPv6=" + ip6);
    if (ip6)
        builder.addRoute("0:0:0:0:0:0:0:0", 0);

    // MTU
    int mtu = jni_get_mtu();
    Log.i(TAG, "MTU=" + mtu);
    builder.setMtu(mtu);

    // Add list of allowed applications
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
        if (last_connected && !filter)
            for (Rule rule : listAllowed)
                try {
                    builder.addDisallowedApplication(rule.info.packageName);
                } catch (PackageManager.NameNotFoundException ex) {
                    Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                }
        else if (filter)
            for (Rule rule : listRule)
                if (!rule.apply || (!system && rule.system))
                    try {
                        //                            Log.i(TAG, "Not routing " + rule.info.packageName);
                        builder.addDisallowedApplication(rule.info.packageName);
                    } catch (PackageManager.NameNotFoundException ex) {
                        Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                    }

    // Build configure intent
    Intent configure = new Intent(this, ActivityMain.class);
    PendingIntent pi = PendingIntent.getActivity(this, 0, configure, PendingIntent.FLAG_UPDATE_CURRENT);
    builder.setConfigureIntent(pi);

    return builder;
}

From source file:android_network.hetnet.vpn_service.ServiceSinkhole.java

private Builder getBuilder(List<Rule> listAllowed, List<Rule> listRule) {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
    boolean subnet = prefs.getBoolean("subnet", false);
    boolean tethering = prefs.getBoolean("tethering", false);
    boolean lan = prefs.getBoolean("lan", false);
    boolean ip6 = prefs.getBoolean("ip6", true);
    boolean filter = prefs.getBoolean("filter", false);
    boolean system = prefs.getBoolean("manage_system", false);

    // Build VPN service
    Builder builder = new Builder();
    builder.setSession(getString(R.string.app_name));

    // VPN address
    String vpn4 = prefs.getString("vpn4", "10.1.10.1");
    Log.i(TAG, "vpn4=" + vpn4);
    builder.addAddress(vpn4, 32);//  w  w  w  . j av  a2  s  . c  o m
    if (ip6) {
        String vpn6 = prefs.getString("vpn6", "fd00:1:fd00:1:fd00:1:fd00:1");
        Log.i(TAG, "vpn6=" + vpn6);
        builder.addAddress(vpn6, 128);
    }

    // DNS address
    if (filter)
        for (InetAddress dns : getDns(ServiceSinkhole.this)) {
            if (ip6 || dns instanceof Inet4Address) {
                Log.i(TAG, "dns=" + dns);
                builder.addDnsServer(dns);
            }
        }

    // Subnet routing
    if (subnet) {
        // Exclude IP ranges
        List<IPUtil.CIDR> listExclude = new ArrayList<>();
        listExclude.add(new IPUtil.CIDR("127.0.0.0", 8)); // localhost

        if (tethering) {
            // USB Tethering 192.168.42.x
            // Wi-Fi Tethering 192.168.43.x
            listExclude.add(new IPUtil.CIDR("192.168.42.0", 23));
        }

        if (lan) {
            try {
                Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
                while (nis.hasMoreElements()) {
                    NetworkInterface ni = nis.nextElement();
                    if (ni != null && ni.isUp() && !ni.isLoopback() && ni.getName() != null
                            && !ni.getName().startsWith("tun"))
                        for (InterfaceAddress ia : ni.getInterfaceAddresses())
                            if (ia.getAddress() instanceof Inet4Address) {
                                IPUtil.CIDR local = new IPUtil.CIDR(ia.getAddress(),
                                        ia.getNetworkPrefixLength());
                                Log.i(TAG, "Excluding " + ni.getName() + " " + local);
                                listExclude.add(local);
                            }
                }
            } catch (SocketException ex) {
                Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
            }
        }

        Configuration config = getResources().getConfiguration();
        if (config.mcc == 310 && config.mnc == 260) {
            // T-Mobile Wi-Fi calling
            listExclude.add(new IPUtil.CIDR("66.94.2.0", 24));
            listExclude.add(new IPUtil.CIDR("66.94.6.0", 23));
            listExclude.add(new IPUtil.CIDR("66.94.8.0", 22));
            listExclude.add(new IPUtil.CIDR("208.54.0.0", 16));
        }
        listExclude.add(new IPUtil.CIDR("224.0.0.0", 3)); // broadcast

        Collections.sort(listExclude);

        try {
            InetAddress start = InetAddress.getByName("0.0.0.0");
            for (IPUtil.CIDR exclude : listExclude) {
                Log.i(TAG, "Exclude " + exclude.getStart().getHostAddress() + "..."
                        + exclude.getEnd().getHostAddress());
                for (IPUtil.CIDR include : IPUtil.toCIDR(start, IPUtil.minus1(exclude.getStart())))
                    try {
                        builder.addRoute(include.address, include.prefix);
                    } catch (Throwable ex) {
                        Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                    }
                start = IPUtil.plus1(exclude.getEnd());
            }
            for (IPUtil.CIDR include : IPUtil.toCIDR("224.0.0.0", "255.255.255.255"))
                try {
                    builder.addRoute(include.address, include.prefix);
                } catch (Throwable ex) {
                    Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                }
        } catch (UnknownHostException ex) {
            Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
        }
    } else
        builder.addRoute("0.0.0.0", 0);

    Log.i(TAG, "IPv6=" + ip6);
    if (ip6)
        builder.addRoute("0:0:0:0:0:0:0:0", 0);

    // MTU
    int mtu = jni_get_mtu();
    Log.i(TAG, "MTU=" + mtu);
    builder.setMtu(mtu);

    //         Add list of allowed applications
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
        if (last_connected && !filter)
            for (Rule rule : listAllowed)
                try {
                    builder.addDisallowedApplication(rule.info.packageName);
                } catch (PackageManager.NameNotFoundException ex) {
                    Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                }
        else if (filter)
            for (Rule rule : listRule)
                if (!rule.apply || (!system && rule.system))
                    try {
                        Log.i(TAG, "Not routing " + rule.info.packageName);
                        builder.addDisallowedApplication(rule.info.packageName);
                    } catch (PackageManager.NameNotFoundException ex) {
                        Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                    }

    // Build configure intent
    Intent configure = new Intent(this, MainActivity.class);
    PendingIntent pi = PendingIntent.getActivity(this, 0, configure, PendingIntent.FLAG_UPDATE_CURRENT);
    builder.setConfigureIntent(pi);

    return builder;
}

From source file:eu.faircode.netguard.ServiceSinkhole.java

private Builder getBuilder(List<Rule> listAllowed, List<Rule> listRule) {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
    boolean subnet = prefs.getBoolean("subnet", false);
    boolean tethering = prefs.getBoolean("tethering", false);
    boolean lan = prefs.getBoolean("lan", false);
    boolean ip6 = prefs.getBoolean("ip6", true);
    boolean filter = prefs.getBoolean("filter", false);
    boolean system = prefs.getBoolean("manage_system", false);

    // Build VPN service
    Builder builder = new Builder();
    builder.setSession(getString(R.string.app_name));

    // VPN address
    String vpn4 = prefs.getString("vpn4", "10.1.10.1");
    Log.i(TAG, "vpn4=" + vpn4);
    builder.addAddress(vpn4, 32);/*from ww w .  ja  va  2 s.co  m*/
    if (ip6) {
        String vpn6 = prefs.getString("vpn6", "fd00:1:fd00:1:fd00:1:fd00:1");
        Log.i(TAG, "vpn6=" + vpn6);
        builder.addAddress(vpn6, 128);
    }

    // DNS address
    if (filter)
        for (InetAddress dns : getDns(ServiceSinkhole.this)) {
            if (ip6 || dns instanceof Inet4Address) {
                Log.i(TAG, "dns=" + dns);
                builder.addDnsServer(dns);
            }
        }

    // Subnet routing
    if (subnet) {
        // Exclude IP ranges
        List<IPUtil.CIDR> listExclude = new ArrayList<>();
        listExclude.add(new IPUtil.CIDR("127.0.0.0", 8)); // localhost

        if (tethering) {
            // USB tethering 192.168.42.x
            // Wi-Fi tethering 192.168.43.x
            listExclude.add(new IPUtil.CIDR("192.168.42.0", 23));
            // Wi-Fi direct 192.168.49.x
            listExclude.add(new IPUtil.CIDR("192.168.49.0", 24));
        }

        if (lan) {
            try {
                Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
                while (nis.hasMoreElements()) {
                    NetworkInterface ni = nis.nextElement();
                    if (ni != null && ni.isUp() && !ni.isLoopback() && ni.getName() != null
                            && !ni.getName().startsWith("tun"))
                        for (InterfaceAddress ia : ni.getInterfaceAddresses())
                            if (ia.getAddress() instanceof Inet4Address) {
                                IPUtil.CIDR local = new IPUtil.CIDR(ia.getAddress(),
                                        ia.getNetworkPrefixLength());
                                Log.i(TAG, "Excluding " + ni.getName() + " " + local);
                                listExclude.add(local);
                            }
                }
            } catch (SocketException ex) {
                Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
            }
        }

        // https://en.wikipedia.org/wiki/Mobile_country_code
        Configuration config = getResources().getConfiguration();

        // T-Mobile Wi-Fi calling
        if (config.mcc == 310 && (config.mnc == 160 || config.mnc == 200 || config.mnc == 210
                || config.mnc == 220 || config.mnc == 230 || config.mnc == 240 || config.mnc == 250
                || config.mnc == 260 || config.mnc == 270 || config.mnc == 310 || config.mnc == 490
                || config.mnc == 660 || config.mnc == 800)) {
            listExclude.add(new IPUtil.CIDR("66.94.2.0", 24));
            listExclude.add(new IPUtil.CIDR("66.94.6.0", 23));
            listExclude.add(new IPUtil.CIDR("66.94.8.0", 22));
            listExclude.add(new IPUtil.CIDR("208.54.0.0", 16));
        }

        // Verizon wireless calling
        if ((config.mcc == 310 && (config.mnc == 4 || config.mnc == 5 || config.mnc == 6 || config.mnc == 10
                || config.mnc == 12 || config.mnc == 13 || config.mnc == 350 || config.mnc == 590
                || config.mnc == 820 || config.mnc == 890 || config.mnc == 910))
                || (config.mcc == 311 && (config.mnc == 12 || config.mnc == 110
                        || (config.mnc >= 270 && config.mnc <= 289) || config.mnc == 390
                        || (config.mnc >= 480 && config.mnc <= 489) || config.mnc == 590))
                || (config.mcc == 312 && (config.mnc == 770))) {
            listExclude.add(new IPUtil.CIDR("66.174.0.0", 16)); // 66.174.0.0 - 66.174.255.255
            listExclude.add(new IPUtil.CIDR("66.82.0.0", 15)); // 69.82.0.0 - 69.83.255.255
            listExclude.add(new IPUtil.CIDR("69.96.0.0", 13)); // 69.96.0.0 - 69.103.255.255
            listExclude.add(new IPUtil.CIDR("70.192.0.0", 11)); // 70.192.0.0 - 70.223.255.255
            listExclude.add(new IPUtil.CIDR("97.128.0.0", 9)); // 97.128.0.0 - 97.255.255.255
            listExclude.add(new IPUtil.CIDR("174.192.0.0", 9)); // 174.192.0.0 - 174.255.255.255
            listExclude.add(new IPUtil.CIDR("72.96.0.0", 9)); // 72.96.0.0 - 72.127.255.255
            listExclude.add(new IPUtil.CIDR("75.192.0.0", 9)); // 75.192.0.0 - 75.255.255.255
            listExclude.add(new IPUtil.CIDR("97.0.0.0", 10)); // 97.0.0.0 - 97.63.255.255
        }

        // Broadcast
        listExclude.add(new IPUtil.CIDR("224.0.0.0", 3));

        Collections.sort(listExclude);

        try {
            InetAddress start = InetAddress.getByName("0.0.0.0");
            for (IPUtil.CIDR exclude : listExclude) {
                Log.i(TAG, "Exclude " + exclude.getStart().getHostAddress() + "..."
                        + exclude.getEnd().getHostAddress());
                for (IPUtil.CIDR include : IPUtil.toCIDR(start, IPUtil.minus1(exclude.getStart())))
                    try {
                        builder.addRoute(include.address, include.prefix);
                    } catch (Throwable ex) {
                        Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                    }
                start = IPUtil.plus1(exclude.getEnd());
            }
            for (IPUtil.CIDR include : IPUtil.toCIDR("224.0.0.0", "255.255.255.255"))
                try {
                    builder.addRoute(include.address, include.prefix);
                } catch (Throwable ex) {
                    Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                }
        } catch (UnknownHostException ex) {
            Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
        }
    } else
        builder.addRoute("0.0.0.0", 0);

    Log.i(TAG, "IPv6=" + ip6);
    if (ip6)
        builder.addRoute("0:0:0:0:0:0:0:0", 0);

    // MTU
    int mtu = jni_get_mtu();
    Log.i(TAG, "MTU=" + mtu);
    builder.setMtu(mtu);

    // Add list of allowed applications
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
        if (last_connected && !filter)
            for (Rule rule : listAllowed)
                try {
                    builder.addDisallowedApplication(rule.info.packageName);
                } catch (PackageManager.NameNotFoundException ex) {
                    Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                }
        else if (filter)
            for (Rule rule : listRule)
                if (!rule.apply || (!system && rule.system))
                    try {
                        Log.i(TAG, "Not routing " + rule.info.packageName);
                        builder.addDisallowedApplication(rule.info.packageName);
                    } catch (PackageManager.NameNotFoundException ex) {
                        Log.e(TAG, ex.toString() + "\n" + Log.getStackTraceString(ex));
                    }

    // Build configure intent
    Intent configure = new Intent(this, ActivityMain.class);
    PendingIntent pi = PendingIntent.getActivity(this, 0, configure, PendingIntent.FLAG_UPDATE_CURRENT);
    builder.setConfigureIntent(pi);

    return builder;
}