Examples with LinkAddress android.net.LinkAddress used on opensource projects

Example 21 with LinkAddress

use of android.net.LinkAddress in project platform_frameworks_base by android.

the class NetworkDiagnostics method prepareExplicitSourceIcmpMeasurements.

private void prepareExplicitSourceIcmpMeasurements(InetAddress target) {
    for (LinkAddress l : mLinkProperties.getLinkAddresses()) {
        InetAddress source = l.getAddress();
        if (source instanceof Inet6Address && l.isGlobalPreferred()) {
            Pair<InetAddress, InetAddress> srcTarget = new Pair<>(source, target);
            if (!mExplicitSourceIcmpChecks.containsKey(srcTarget)) {
                Measurement measurement = new Measurement();
                measurement.thread = new Thread(new IcmpCheck(source, target, measurement));
                mExplicitSourceIcmpChecks.put(srcTarget, measurement);
            }
        }
    }
}

Example 22 with LinkAddress

use of android.net.LinkAddress in project platform_frameworks_base by android.

the class ApfFilter method setLinkProperties.

public synchronized void setLinkProperties(LinkProperties lp) {
    // NOTE: Do not keep a copy of LinkProperties as it would further duplicate state.
    final LinkAddress ipv4Address = findIPv4LinkAddress(lp);
    final byte[] addr = (ipv4Address != null) ? ipv4Address.getAddress().getAddress() : null;
    final int prefix = (ipv4Address != null) ? ipv4Address.getPrefixLength() : 0;
    if ((prefix == mIPv4PrefixLength) && Arrays.equals(addr, mIPv4Address)) {
        return;
    }
    mIPv4Address = addr;
    mIPv4PrefixLength = prefix;
    installNewProgramLocked();
}

Example 23 with LinkAddress

use of android.net.LinkAddress in project platform_frameworks_base by android.

the class DhcpPacketTest method assertDhcpResults.

private void assertDhcpResults(String ipAddress, String gateway, String dnsServersString, String domains, String serverAddress, String vendorInfo, int leaseDuration, boolean hasMeteredHint, int mtu, DhcpResults dhcpResults) throws Exception {
    assertEquals(new LinkAddress(ipAddress), dhcpResults.ipAddress);
    assertEquals(v4Address(gateway), dhcpResults.gateway);
    String[] dnsServerStrings = dnsServersString.split(",");
    ArrayList dnsServers = new ArrayList();
    for (String dnsServerString : dnsServerStrings) {
        dnsServers.add(v4Address(dnsServerString));
    }
    assertEquals(dnsServers, dhcpResults.dnsServers);
    assertEquals(domains, dhcpResults.domains);
    assertEquals(v4Address(serverAddress), dhcpResults.serverAddress);
    assertEquals(vendorInfo, dhcpResults.vendorInfo);
    assertEquals(leaseDuration, dhcpResults.leaseDuration);
    assertEquals(hasMeteredHint, dhcpResults.hasMeteredHint());
    assertEquals(mtu, dhcpResults.mtu);
}

Example 24 with LinkAddress

use of android.net.LinkAddress in project platform_frameworks_base by android.

the class ApfTest method testApfFilterMulticast.

@SmallTest
public void testApfFilterMulticast() throws Exception {
    final byte[] unicastIpv4Addr = { (byte) 192, 0, 2, 63 };
    final byte[] broadcastIpv4Addr = { (byte) 192, 0, 2, (byte) 255 };
    final byte[] multicastIpv4Addr = { (byte) 224, 0, 0, 1 };
    final byte[] multicastIpv6Addr = { (byte) 0xff, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (byte) 0xfb };
    MockIpManagerCallback ipManagerCallback = new MockIpManagerCallback();
    LinkAddress link = new LinkAddress(InetAddress.getByAddress(unicastIpv4Addr), 24);
    LinkProperties lp = new LinkProperties();
    lp.addLinkAddress(link);
    ApfFilter apfFilter = new TestApfFilter(ipManagerCallback, ALLOW_MULTICAST, mLog);
    apfFilter.setLinkProperties(lp);
    byte[] program = ipManagerCallback.getApfProgram();
    // Construct IPv4 and IPv6 multicast packets.
    ByteBuffer mcastv4packet = ByteBuffer.wrap(new byte[100]);
    mcastv4packet.putShort(ETH_ETHERTYPE_OFFSET, (short) ETH_P_IP);
    put(mcastv4packet, IPV4_DEST_ADDR_OFFSET, multicastIpv4Addr);
    ByteBuffer mcastv6packet = ByteBuffer.wrap(new byte[100]);
    mcastv6packet.putShort(ETH_ETHERTYPE_OFFSET, (short) ETH_P_IPV6);
    mcastv6packet.put(IPV6_NEXT_HEADER_OFFSET, (byte) IPPROTO_UDP);
    put(mcastv6packet, IPV6_DEST_ADDR_OFFSET, multicastIpv6Addr);
    // Construct IPv4 broadcast packet.
    ByteBuffer bcastv4packet1 = ByteBuffer.wrap(new byte[100]);
    bcastv4packet1.put(ETH_BROADCAST_MAC_ADDRESS);
    bcastv4packet1.putShort(ETH_ETHERTYPE_OFFSET, (short) ETH_P_IP);
    put(bcastv4packet1, IPV4_DEST_ADDR_OFFSET, multicastIpv4Addr);
    ByteBuffer bcastv4packet2 = ByteBuffer.wrap(new byte[100]);
    bcastv4packet2.put(ETH_BROADCAST_MAC_ADDRESS);
    bcastv4packet2.putShort(ETH_ETHERTYPE_OFFSET, (short) ETH_P_IP);
    put(bcastv4packet2, IPV4_DEST_ADDR_OFFSET, IPV4_BROADCAST_ADDRESS);
    // Construct IPv4 broadcast with L2 unicast address packet (b/30231088).
    ByteBuffer bcastv4unicastl2packet = ByteBuffer.wrap(new byte[100]);
    bcastv4unicastl2packet.put(TestApfFilter.MOCK_MAC_ADDR);
    bcastv4unicastl2packet.putShort(ETH_ETHERTYPE_OFFSET, (short) ETH_P_IP);
    put(bcastv4unicastl2packet, IPV4_DEST_ADDR_OFFSET, broadcastIpv4Addr);
    // Verify initially disabled multicast filter is off
    assertPass(program, mcastv4packet.array());
    assertPass(program, mcastv6packet.array());
    assertPass(program, bcastv4packet1.array());
    assertPass(program, bcastv4packet2.array());
    assertPass(program, bcastv4unicastl2packet.array());
    // Turn on multicast filter and verify it works
    ipManagerCallback.resetApfProgramWait();
    apfFilter.setMulticastFilter(true);
    program = ipManagerCallback.getApfProgram();
    assertDrop(program, mcastv4packet.array());
    assertDrop(program, mcastv6packet.array());
    assertDrop(program, bcastv4packet1.array());
    assertDrop(program, bcastv4packet2.array());
    assertDrop(program, bcastv4unicastl2packet.array());
    // Turn off multicast filter and verify it's off
    ipManagerCallback.resetApfProgramWait();
    apfFilter.setMulticastFilter(false);
    program = ipManagerCallback.getApfProgram();
    assertPass(program, mcastv4packet.array());
    assertPass(program, mcastv6packet.array());
    assertPass(program, bcastv4packet1.array());
    assertPass(program, bcastv4packet2.array());
    assertPass(program, bcastv4unicastl2packet.array());
    // Verify it can be initialized to on
    ipManagerCallback.resetApfProgramWait();
    apfFilter.shutdown();
    apfFilter = new TestApfFilter(ipManagerCallback, DROP_MULTICAST, mLog);
    apfFilter.setLinkProperties(lp);
    program = ipManagerCallback.getApfProgram();
    assertDrop(program, mcastv4packet.array());
    assertDrop(program, mcastv6packet.array());
    assertDrop(program, bcastv4packet1.array());
    assertDrop(program, bcastv4unicastl2packet.array());
    // Verify that ICMPv6 multicast is not dropped.
    mcastv6packet.put(IPV6_NEXT_HEADER_OFFSET, (byte) IPPROTO_ICMPV6);
    assertPass(program, mcastv6packet.array());
    apfFilter.shutdown();
}

Example 25 with LinkAddress

use of android.net.LinkAddress in project platform_frameworks_base by android.

the class ConnectivityServiceTest method testPacketKeepalives.

@SmallTest
public void testPacketKeepalives() throws Exception {
    InetAddress myIPv4 = InetAddress.getByName("192.0.2.129");
    InetAddress notMyIPv4 = InetAddress.getByName("192.0.2.35");
    InetAddress myIPv6 = InetAddress.getByName("2001:db8::1");
    InetAddress dstIPv4 = InetAddress.getByName("8.8.8.8");
    InetAddress dstIPv6 = InetAddress.getByName("2001:4860:4860::8888");
    LinkProperties lp = new LinkProperties();
    lp.setInterfaceName("wlan12");
    lp.addLinkAddress(new LinkAddress(myIPv6, 64));
    lp.addLinkAddress(new LinkAddress(myIPv4, 25));
    lp.addRoute(new RouteInfo(InetAddress.getByName("fe80::1234")));
    lp.addRoute(new RouteInfo(InetAddress.getByName("192.0.2.254")));
    Network notMyNet = new Network(61234);
    Network myNet = connectKeepaliveNetwork(lp);
    TestKeepaliveCallback callback = new TestKeepaliveCallback();
    PacketKeepalive ka;
    // Attempt to start keepalives with invalid parameters and check for errors.
    ka = mCm.startNattKeepalive(notMyNet, 25, callback, myIPv4, 1234, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_INVALID_NETWORK);
    ka = mCm.startNattKeepalive(myNet, 19, callback, notMyIPv4, 1234, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_INVALID_INTERVAL);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 1234, dstIPv6);
    callback.expectError(PacketKeepalive.ERROR_INVALID_IP_ADDRESS);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv6, 1234, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_INVALID_IP_ADDRESS);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv6, 1234, dstIPv6);
    // NAT-T is IPv4-only.
    callback.expectError(PacketKeepalive.ERROR_INVALID_IP_ADDRESS);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 123456, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_INVALID_PORT);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 123456, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_INVALID_PORT);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_HARDWARE_UNSUPPORTED);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectError(PacketKeepalive.ERROR_HARDWARE_UNSUPPORTED);
    // Check that a started keepalive can be stopped.
    mWiFiNetworkAgent.setStartKeepaliveError(PacketKeepalive.SUCCESS);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectStarted();
    mWiFiNetworkAgent.setStopKeepaliveError(PacketKeepalive.SUCCESS);
    ka.stop();
    callback.expectStopped();
    // Check that deleting the IP address stops the keepalive.
    LinkProperties bogusLp = new LinkProperties(lp);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectStarted();
    bogusLp.removeLinkAddress(new LinkAddress(myIPv4, 25));
    bogusLp.addLinkAddress(new LinkAddress(notMyIPv4, 25));
    mWiFiNetworkAgent.sendLinkProperties(bogusLp);
    callback.expectError(PacketKeepalive.ERROR_INVALID_IP_ADDRESS);
    mWiFiNetworkAgent.sendLinkProperties(lp);
    // Check that a started keepalive is stopped correctly when the network disconnects.
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectStarted();
    mWiFiNetworkAgent.disconnect();
    waitFor(mWiFiNetworkAgent.getDisconnectedCV());
    callback.expectError(PacketKeepalive.ERROR_INVALID_NETWORK);
    // ... and that stopping it after that has no adverse effects.
    mService.waitForIdle();
    final Network myNetAlias = myNet;
    assertNull(mCm.getNetworkCapabilities(myNetAlias));
    ka.stop();
    // Reconnect.
    myNet = connectKeepaliveNetwork(lp);
    mWiFiNetworkAgent.setStartKeepaliveError(PacketKeepalive.SUCCESS);
    // Check things work as expected when the keepalive is stopped and the network disconnects.
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectStarted();
    ka.stop();
    mWiFiNetworkAgent.disconnect();
    waitFor(mWiFiNetworkAgent.getDisconnectedCV());
    mService.waitForIdle();
    callback.expectStopped();
    // Reconnect.
    myNet = connectKeepaliveNetwork(lp);
    mWiFiNetworkAgent.setStartKeepaliveError(PacketKeepalive.SUCCESS);
    // Check that keepalive slots start from 1 and increment. The first one gets slot 1.
    mWiFiNetworkAgent.setExpectedKeepaliveSlot(1);
    ka = mCm.startNattKeepalive(myNet, 25, callback, myIPv4, 12345, dstIPv4);
    callback.expectStarted();
    // The second one gets slot 2.
    mWiFiNetworkAgent.setExpectedKeepaliveSlot(2);
    TestKeepaliveCallback callback2 = new TestKeepaliveCallback();
    PacketKeepalive ka2 = mCm.startNattKeepalive(myNet, 25, callback2, myIPv4, 6789, dstIPv4);
    callback2.expectStarted();
    // Now stop the first one and create a third. This also gets slot 1.
    ka.stop();
    callback.expectStopped();
    mWiFiNetworkAgent.setExpectedKeepaliveSlot(1);
    TestKeepaliveCallback callback3 = new TestKeepaliveCallback();
    PacketKeepalive ka3 = mCm.startNattKeepalive(myNet, 25, callback3, myIPv4, 9876, dstIPv4);
    callback3.expectStarted();
    ka2.stop();
    callback2.expectStopped();
    ka3.stop();
    callback3.expectStopped();
}