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

Example 86 with RouteInfo

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

the class Vpn method startLegacyVpnPrivileged.

/**
     * Like {@link #startLegacyVpn(VpnProfile, KeyStore, LinkProperties)}, but does not check
     * permissions under the assumption that the caller is the system.
     *
     * Callers are responsible for checking permissions if needed.
     */
public void startLegacyVpnPrivileged(VpnProfile profile, KeyStore keyStore, LinkProperties egress) {
    UserManager mgr = UserManager.get(mContext);
    UserInfo user = mgr.getUserInfo(mUserHandle);
    if (user.isRestricted() || mgr.hasUserRestriction(UserManager.DISALLOW_CONFIG_VPN, new UserHandle(mUserHandle))) {
        throw new SecurityException("Restricted users cannot establish VPNs");
    }
    final RouteInfo ipv4DefaultRoute = findIPv4DefaultRoute(egress);
    final String gateway = ipv4DefaultRoute.getGateway().getHostAddress();
    final String iface = ipv4DefaultRoute.getInterface();
    // Load certificates.
    String privateKey = "";
    String userCert = "";
    String caCert = "";
    String serverCert = "";
    if (!profile.ipsecUserCert.isEmpty()) {
        privateKey = Credentials.USER_PRIVATE_KEY + profile.ipsecUserCert;
        byte[] value = keyStore.get(Credentials.USER_CERTIFICATE + profile.ipsecUserCert);
        userCert = (value == null) ? null : new String(value, StandardCharsets.UTF_8);
    }
    if (!profile.ipsecCaCert.isEmpty()) {
        byte[] value = keyStore.get(Credentials.CA_CERTIFICATE + profile.ipsecCaCert);
        caCert = (value == null) ? null : new String(value, StandardCharsets.UTF_8);
    }
    if (!profile.ipsecServerCert.isEmpty()) {
        byte[] value = keyStore.get(Credentials.USER_CERTIFICATE + profile.ipsecServerCert);
        serverCert = (value == null) ? null : new String(value, StandardCharsets.UTF_8);
    }
    if (privateKey == null || userCert == null || caCert == null || serverCert == null) {
        throw new IllegalStateException("Cannot load credentials");
    }
    // Prepare arguments for racoon.
    String[] racoon = null;
    switch(profile.type) {
        case VpnProfile.TYPE_L2TP_IPSEC_PSK:
            racoon = new String[] { iface, profile.server, "udppsk", profile.ipsecIdentifier, profile.ipsecSecret, "1701" };
            break;
        case VpnProfile.TYPE_L2TP_IPSEC_RSA:
            racoon = new String[] { iface, profile.server, "udprsa", privateKey, userCert, caCert, serverCert, "1701" };
            break;
        case VpnProfile.TYPE_IPSEC_XAUTH_PSK:
            racoon = new String[] { iface, profile.server, "xauthpsk", profile.ipsecIdentifier, profile.ipsecSecret, profile.username, profile.password, "", gateway };
            break;
        case VpnProfile.TYPE_IPSEC_XAUTH_RSA:
            racoon = new String[] { iface, profile.server, "xauthrsa", privateKey, userCert, caCert, serverCert, profile.username, profile.password, "", gateway };
            break;
        case VpnProfile.TYPE_IPSEC_HYBRID_RSA:
            racoon = new String[] { iface, profile.server, "hybridrsa", caCert, serverCert, profile.username, profile.password, "", gateway };
            break;
    }
    // Prepare arguments for mtpd.
    String[] mtpd = null;
    switch(profile.type) {
        case VpnProfile.TYPE_PPTP:
            mtpd = new String[] { iface, "pptp", profile.server, "1723", "name", profile.username, "password", profile.password, "linkname", "vpn", "refuse-eap", "nodefaultroute", "usepeerdns", "idle", "1800", "mtu", "1400", "mru", "1400", (profile.mppe ? "+mppe" : "nomppe") };
            break;
        case VpnProfile.TYPE_L2TP_IPSEC_PSK:
        case VpnProfile.TYPE_L2TP_IPSEC_RSA:
            mtpd = new String[] { iface, "l2tp", profile.server, "1701", profile.l2tpSecret, "name", profile.username, "password", profile.password, "linkname", "vpn", "refuse-eap", "nodefaultroute", "usepeerdns", "idle", "1800", "mtu", "1400", "mru", "1400" };
            break;
    }
    VpnConfig config = new VpnConfig();
    config.legacy = true;
    config.user = profile.key;
    config.interfaze = iface;
    config.session = profile.name;
    config.addLegacyRoutes(profile.routes);
    if (!profile.dnsServers.isEmpty()) {
        config.dnsServers = Arrays.asList(profile.dnsServers.split(" +"));
    }
    if (!profile.searchDomains.isEmpty()) {
        config.searchDomains = Arrays.asList(profile.searchDomains.split(" +"));
    }
    startLegacyVpn(config, racoon, mtpd);
}

Example 87 with RouteInfo

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

the class NetworkManagementService method tetherInterface.

@Override
public void tetherInterface(String iface) {
    mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
    try {
        mConnector.execute("tether", "interface", "add", iface);
    } catch (NativeDaemonConnectorException e) {
        throw e.rethrowAsParcelableException();
    }
    List<RouteInfo> routes = new ArrayList<>();
    // The RouteInfo constructor truncates the LinkAddress to a network prefix, thus making it
    // suitable to use as a route destination.
    routes.add(new RouteInfo(getInterfaceConfig(iface).getLinkAddress(), null, iface));
    addInterfaceToLocalNetwork(iface, routes);
}

Example 88 with RouteInfo

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

the class IpReachabilityMonitor method updateLinkProperties.

public void updateLinkProperties(LinkProperties lp) {
    if (!mInterfaceName.equals(lp.getInterfaceName())) {
        // TODO: figure out whether / how to cope with interface changes.
        Log.wtf(TAG, "requested LinkProperties interface '" + lp.getInterfaceName() + "' does not match: " + mInterfaceName);
        return;
    }
    synchronized (mLock) {
        mLinkProperties = new LinkProperties(lp);
        Map<InetAddress, Short> newIpWatchList = new HashMap<>();
        final List<RouteInfo> routes = mLinkProperties.getRoutes();
        for (RouteInfo route : routes) {
            if (route.hasGateway()) {
                InetAddress gw = route.getGateway();
                if (isOnLink(routes, gw)) {
                    newIpWatchList.put(gw, getNeighborStateLocked(gw));
                }
            }
        }
        for (InetAddress nameserver : lp.getDnsServers()) {
            if (isOnLink(routes, nameserver)) {
                newIpWatchList.put(nameserver, getNeighborStateLocked(nameserver));
            }
        }
        mIpWatchList = newIpWatchList;
        mIpWatchListVersion++;
    }
    if (DBG) {
        Log.d(TAG, "watch: " + describeWatchList());
    }
}

Example 89 with RouteInfo

use of android.net.RouteInfo in project android_frameworks_base by ParanoidAndroid.

the class ArpPeer method doArp.

public static boolean doArp(String myMacAddress, LinkProperties linkProperties, int timeoutMillis, int numArpPings, int minArpResponses) {
    String interfaceName = linkProperties.getInterfaceName();
    InetAddress inetAddress = null;
    InetAddress gateway = null;
    boolean success;
    for (LinkAddress la : linkProperties.getLinkAddresses()) {
        inetAddress = la.getAddress();
        break;
    }
    for (RouteInfo route : linkProperties.getRoutes()) {
        gateway = route.getGateway();
        break;
    }
    try {
        ArpPeer peer = new ArpPeer(interfaceName, inetAddress, myMacAddress, gateway);
        int responses = 0;
        for (int i = 0; i < numArpPings; i++) {
            if (peer.doArp(timeoutMillis) != null)
                responses++;
        }
        if (DBG)
            Log.d(TAG, "ARP test result: " + responses + "/" + numArpPings);
        success = (responses >= minArpResponses);
        peer.close();
    } catch (SocketException se) {
        //Consider an Arp socket creation issue as a successful Arp
        //test to avoid any wifi connectivity issues
        Log.e(TAG, "ARP test initiation failure: " + se);
        success = true;
    }
    return success;
}

Example 90 with RouteInfo

use of android.net.RouteInfo in project android_frameworks_base by ParanoidAndroid.

the class LinkPropertiesTest method testEqualsDifferentOrder.

@SmallTest
public void testEqualsDifferentOrder() {
    try {
        LinkProperties source = new LinkProperties();
        source.setInterfaceName(NAME);
        // set 2 link addresses
        source.addLinkAddress(new LinkAddress(NetworkUtils.numericToInetAddress(ADDRV4), 32));
        source.addLinkAddress(new LinkAddress(NetworkUtils.numericToInetAddress(ADDRV6), 128));
        // set 2 dnses
        source.addDns(NetworkUtils.numericToInetAddress(DNS1));
        source.addDns(NetworkUtils.numericToInetAddress(DNS2));
        // set 2 gateways
        source.addRoute(new RouteInfo(NetworkUtils.numericToInetAddress(GATEWAY1)));
        source.addRoute(new RouteInfo(NetworkUtils.numericToInetAddress(GATEWAY2)));
        LinkProperties target = new LinkProperties();
        // Exchange order
        target.setInterfaceName(NAME);
        target.addLinkAddress(new LinkAddress(NetworkUtils.numericToInetAddress(ADDRV6), 128));
        target.addLinkAddress(new LinkAddress(NetworkUtils.numericToInetAddress(ADDRV4), 32));
        target.addDns(NetworkUtils.numericToInetAddress(DNS2));
        target.addDns(NetworkUtils.numericToInetAddress(DNS1));
        target.addRoute(new RouteInfo(NetworkUtils.numericToInetAddress(GATEWAY2)));
        target.addRoute(new RouteInfo(NetworkUtils.numericToInetAddress(GATEWAY1)));
        assertLinkPropertiesEqual(source, target);
    } catch (Exception e) {
        fail();
    }
}