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

Example 91 with LinkAddress

use of android.net.LinkAddress in project android_frameworks_base by crdroidandroid.

the class IpConfigStore method writeConfig.

private boolean writeConfig(DataOutputStream out, int configKey, IpConfiguration config) throws IOException {
    boolean written = false;
    try {
        switch(config.ipAssignment) {
            case STATIC:
                out.writeUTF(IP_ASSIGNMENT_KEY);
                out.writeUTF(config.ipAssignment.toString());
                StaticIpConfiguration staticIpConfiguration = config.staticIpConfiguration;
                if (staticIpConfiguration != null) {
                    if (staticIpConfiguration.ipAddress != null) {
                        LinkAddress ipAddress = staticIpConfiguration.ipAddress;
                        out.writeUTF(LINK_ADDRESS_KEY);
                        out.writeUTF(ipAddress.getAddress().getHostAddress());
                        out.writeInt(ipAddress.getPrefixLength());
                    }
                    if (staticIpConfiguration.gateway != null) {
                        out.writeUTF(GATEWAY_KEY);
                        // Default route.
                        out.writeInt(0);
                        // Have a gateway.
                        out.writeInt(1);
                        out.writeUTF(staticIpConfiguration.gateway.getHostAddress());
                    }
                    for (InetAddress inetAddr : staticIpConfiguration.dnsServers) {
                        out.writeUTF(DNS_KEY);
                        out.writeUTF(inetAddr.getHostAddress());
                    }
                }
                written = true;
                break;
            case DHCP:
                out.writeUTF(IP_ASSIGNMENT_KEY);
                out.writeUTF(config.ipAssignment.toString());
                written = true;
                break;
            case UNASSIGNED:
                /* Ignore */
                break;
            default:
                loge("Ignore invalid ip assignment while writing");
                break;
        }
        switch(config.proxySettings) {
            case STATIC:
                ProxyInfo proxyProperties = config.httpProxy;
                String exclusionList = proxyProperties.getExclusionListAsString();
                out.writeUTF(PROXY_SETTINGS_KEY);
                out.writeUTF(config.proxySettings.toString());
                out.writeUTF(PROXY_HOST_KEY);
                out.writeUTF(proxyProperties.getHost());
                out.writeUTF(PROXY_PORT_KEY);
                out.writeInt(proxyProperties.getPort());
                if (exclusionList != null) {
                    out.writeUTF(EXCLUSION_LIST_KEY);
                    out.writeUTF(exclusionList);
                }
                written = true;
                break;
            case PAC:
                ProxyInfo proxyPacProperties = config.httpProxy;
                out.writeUTF(PROXY_SETTINGS_KEY);
                out.writeUTF(config.proxySettings.toString());
                out.writeUTF(PROXY_PAC_FILE);
                out.writeUTF(proxyPacProperties.getPacFileUrl().toString());
                written = true;
                break;
            case NONE:
                out.writeUTF(PROXY_SETTINGS_KEY);
                out.writeUTF(config.proxySettings.toString());
                written = true;
                break;
            case UNASSIGNED:
                /* Ignore */
                break;
            default:
                loge("Ignore invalid proxy settings while writing");
                break;
        }
        if (written) {
            out.writeUTF(ID_KEY);
            out.writeInt(configKey);
        }
    } catch (NullPointerException e) {
        loge("Failure in writing " + config + e);
    }
    out.writeUTF(EOS);
    return written;
}

Example 92 with LinkAddress

use of android.net.LinkAddress in project android_frameworks_base by crdroidandroid.

the class LockdownVpnTracker method clearSourceRulesLocked.

private void clearSourceRulesLocked() {
    try {
        if (mAcceptedIface != null) {
            mNetService.setFirewallInterfaceRule(mAcceptedIface, false);
            mAcceptedIface = null;
        }
        if (mAcceptedSourceAddr != null) {
            for (LinkAddress addr : mAcceptedSourceAddr) {
                setFirewallEgressSourceRule(addr, false);
            }
            mNetService.setFirewallUidRule(FIREWALL_CHAIN_NONE, ROOT_UID, FIREWALL_RULE_DEFAULT);
            mNetService.setFirewallUidRule(FIREWALL_CHAIN_NONE, Os.getuid(), FIREWALL_RULE_DEFAULT);
            mAcceptedSourceAddr = null;
        }
    } catch (RemoteException e) {
        throw new RuntimeException("Problem setting firewall rules", e);
    }
}

Example 93 with LinkAddress

use of android.net.LinkAddress in project android_frameworks_base by crdroidandroid.

the class Nat464Xlat method makeLinkProperties.

private LinkProperties makeLinkProperties(LinkAddress clatAddress) {
    LinkProperties stacked = new LinkProperties();
    stacked.setInterfaceName(mIface);
    // Although the clat interface is a point-to-point tunnel, we don't
    // point the route directly at the interface because some apps don't
    // understand routes without gateways (see, e.g., http://b/9597256
    // http://b/9597516). Instead, set the next hop of the route to the
    // clat IPv4 address itself (for those apps, it doesn't matter what
    // the IP of the gateway is, only that there is one).
    RouteInfo ipv4Default = new RouteInfo(new LinkAddress(Inet4Address.ANY, 0), clatAddress.getAddress(), mIface);
    stacked.addRoute(ipv4Default);
    stacked.addLinkAddress(clatAddress);
    return stacked;
}

Example 94 with LinkAddress

use of android.net.LinkAddress in project android_frameworks_base by crdroidandroid.

the class LinkAddressTest method testHashCode.

public void testHashCode() {
    LinkAddress l;
    l = new LinkAddress(V4_ADDRESS, 23);
    assertEquals(-982787, l.hashCode());
    l = new LinkAddress(V4_ADDRESS, 23, 0, RT_SCOPE_HOST);
    assertEquals(-971865, l.hashCode());
    l = new LinkAddress(V4_ADDRESS, 27);
    assertEquals(-982743, l.hashCode());
    l = new LinkAddress(V6_ADDRESS, 64);
    assertEquals(1076522926, l.hashCode());
    l = new LinkAddress(V6_ADDRESS, 128);
    assertEquals(1076523630, l.hashCode());
    l = new LinkAddress(V6_ADDRESS, 128, IFA_F_TENTATIVE, RT_SCOPE_UNIVERSE);
    assertEquals(1076524846, l.hashCode());
}

Example 95 with LinkAddress

use of android.net.LinkAddress in project android_frameworks_base by crdroidandroid.

the class LinkAddressTest method testConstructors.

public void testConstructors() throws SocketException {
    LinkAddress address;
    // Valid addresses work as expected.
    address = new LinkAddress(V4_ADDRESS, 25);
    assertEquals(V4_ADDRESS, address.getAddress());
    assertEquals(25, address.getPrefixLength());
    assertEquals(0, address.getFlags());
    assertEquals(RT_SCOPE_UNIVERSE, address.getScope());
    address = new LinkAddress(V6_ADDRESS, 127);
    assertEquals(V6_ADDRESS, address.getAddress());
    assertEquals(127, address.getPrefixLength());
    assertEquals(0, address.getFlags());
    assertEquals(RT_SCOPE_UNIVERSE, address.getScope());
    // Nonsensical flags/scopes or combinations thereof are acceptable.
    address = new LinkAddress(V6 + "/64", IFA_F_DEPRECATED | IFA_F_PERMANENT, RT_SCOPE_LINK);
    assertEquals(V6_ADDRESS, address.getAddress());
    assertEquals(64, address.getPrefixLength());
    assertEquals(IFA_F_DEPRECATED | IFA_F_PERMANENT, address.getFlags());
    assertEquals(RT_SCOPE_LINK, address.getScope());
    address = new LinkAddress(V4 + "/23", 123, 456);
    assertEquals(V4_ADDRESS, address.getAddress());
    assertEquals(23, address.getPrefixLength());
    assertEquals(123, address.getFlags());
    assertEquals(456, address.getScope());
    // InterfaceAddress doesn't have a constructor. Fetch some from an interface.
    List<InterfaceAddress> addrs = NetworkInterface.getByName("lo").getInterfaceAddresses();
    // We expect to find 127.0.0.1/8 and ::1/128, in any order.
    LinkAddress ipv4Loopback, ipv6Loopback;
    assertEquals(2, addrs.size());
    if (addrs.get(0).getAddress() instanceof Inet4Address) {
        ipv4Loopback = new LinkAddress(addrs.get(0));
        ipv6Loopback = new LinkAddress(addrs.get(1));
    } else {
        ipv4Loopback = new LinkAddress(addrs.get(1));
        ipv6Loopback = new LinkAddress(addrs.get(0));
    }
    assertEquals(NetworkUtils.numericToInetAddress("127.0.0.1"), ipv4Loopback.getAddress());
    assertEquals(8, ipv4Loopback.getPrefixLength());
    assertEquals(NetworkUtils.numericToInetAddress("::1"), ipv6Loopback.getAddress());
    assertEquals(128, ipv6Loopback.getPrefixLength());
    // Null addresses are rejected.
    try {
        address = new LinkAddress(null, 24);
        fail("Null InetAddress should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress((String) null, IFA_F_PERMANENT, RT_SCOPE_UNIVERSE);
        fail("Null string should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress((InterfaceAddress) null);
        fail("Null string should cause NullPointerException");
    } catch (NullPointerException expected) {
    }
    // Invalid prefix lengths are rejected.
    try {
        address = new LinkAddress(V4_ADDRESS, -1);
        fail("Negative IPv4 prefix length should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress(V6_ADDRESS, -1);
        fail("Negative IPv6 prefix length should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress(V4_ADDRESS, 33);
        fail("/33 IPv4 prefix length should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress(V4 + "/33", IFA_F_PERMANENT, RT_SCOPE_UNIVERSE);
        fail("/33 IPv4 prefix length should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress(V6_ADDRESS, 129, IFA_F_PERMANENT, RT_SCOPE_UNIVERSE);
        fail("/129 IPv6 prefix length should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress(V6 + "/129", IFA_F_PERMANENT, RT_SCOPE_UNIVERSE);
        fail("/129 IPv6 prefix length should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    // Multicast addresses are rejected.
    try {
        address = new LinkAddress("224.0.0.2/32");
        fail("IPv4 multicast address should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
    try {
        address = new LinkAddress("ff02::1/128");
        fail("IPv6 multicast address should cause IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
}