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Commit e000de90 authored by Rubin Xu's avatar Rubin Xu Committed by android-build-merger
Browse files

Merge "Skip unreachable route when estimating VPN destinations" 

am: 21078b1e

Change-Id: Iafa9ecaf07a36f235b366655d2fa2165a676d1cd
parents 87bba9d2 21078b1e

services/core/java/com/android/server/connectivity/Vpn.java

+1 −0
Original line number Diff line number Diff line
@@ -917,6 +917,7 @@ public class Vpn { 
        TreeSet<IpPrefix> ipv4Prefixes = new TreeSet<>(prefixLengthComparator);

        TreeSet<IpPrefix> ipv6Prefixes = new TreeSet<>(prefixLengthComparator);

        for (final RouteInfo route : routes) {

            if (route.getType() == RouteInfo.RTN_UNREACHABLE) continue;

            IpPrefix destination = route.getDestination();

            if (destination.isIPv4()) {

                ipv4Prefixes.add(destination);

tests/net/java/com/android/server/connectivity/VpnTest.java

+12 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING; 
import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;

import static android.net.NetworkCapabilities.TRANSPORT_VPN;

import static android.net.NetworkCapabilities.TRANSPORT_WIFI;

import static android.net.RouteInfo.RTN_UNREACHABLE;



import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertFalse;
@@ -89,6 +90,7 @@ import org.mockito.Mock; 
import org.mockito.MockitoAnnotations;



import java.net.Inet4Address;

import java.net.Inet6Address;

import java.net.UnknownHostException;

import java.util.ArrayList;

import java.util.Arrays;
@@ -775,6 +777,16 @@ public class VpnTest { 
        // V4 does not, but V6 has sufficient coverage again

        lp.addRoute(new RouteInfo(new IpPrefix("::/1")));

        assertTrue(Vpn.providesRoutesToMostDestinations(lp));



        lp.clear();

        // V4-unreachable route should not be treated as sufficient coverage

        lp.addRoute(new RouteInfo(new IpPrefix(Inet4Address.ANY, 0), RTN_UNREACHABLE));

        assertFalse(Vpn.providesRoutesToMostDestinations(lp));



        lp.clear();

        // V6-unreachable route should not be treated as sufficient coverage

        lp.addRoute(new RouteInfo(new IpPrefix(Inet6Address.ANY, 0), RTN_UNREACHABLE));

        assertFalse(Vpn.providesRoutesToMostDestinations(lp));

    }



    @Test