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Merge "Fix parceling of LinkProperties Inet6Addr"

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This commit is contained in:
Remi NGUYEN VAN
2019-12-19 03:07:43 +00:00
committed by Gerrit Code Review
parent 9ea156af87 3a59a925e0
commit 98460b6863
2 changed files with 107 additions and 59 deletions
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53
core/java/android/net/LinkProperties.java
View File

@@ -74,6 +74,8 @@ public final class LinkProperties implements Parcelable {
private static final int MIN_MTU_V6 = 1280;
private static final int MAX_MTU = 10000;
private static final int INET6_ADDR_LENGTH = 16;
// Stores the properties of links that are "stacked" above this link.
// Indexed by interface name to allow modification and to prevent duplicates being added.
private Hashtable<String, LinkProperties> mStackedLinks = new Hashtable<>();
@@ -1626,20 +1628,11 @@ public final class LinkProperties implements Parcelable {
dest.writeParcelable(linkAddress, flags);
}
dest.writeInt(mDnses.size());
for (InetAddress d : mDnses) {
dest.writeByteArray(d.getAddress());
}
dest.writeInt(mValidatedPrivateDnses.size());
for (InetAddress d : mValidatedPrivateDnses) {
dest.writeByteArray(d.getAddress());
}
writeAddresses(dest, mDnses);
writeAddresses(dest, mValidatedPrivateDnses);
dest.writeBoolean(mUsePrivateDns);
dest.writeString(mPrivateDnsServerName);
dest.writeInt(mPcscfs.size());
for (InetAddress d : mPcscfs) {
dest.writeByteArray(d.getAddress());
}
writeAddresses(dest, mPcscfs);
dest.writeString(mDomains);
dest.writeInt(mMtu);
dest.writeString(mTcpBufferSizes);
@@ -1662,6 +1655,35 @@ public final class LinkProperties implements Parcelable {
dest.writeBoolean(mWakeOnLanSupported);
}
private static void writeAddresses(@NonNull Parcel dest, @NonNull List<InetAddress> list) {
dest.writeInt(list.size());
for (InetAddress d : list) {
writeAddress(dest, d);
}
}
private static void writeAddress(@NonNull Parcel dest, @NonNull InetAddress addr) {
dest.writeByteArray(addr.getAddress());
if (addr instanceof Inet6Address) {
final Inet6Address v6Addr = (Inet6Address) addr;
final boolean hasScopeId = v6Addr.getScopeId() != 0;
dest.writeBoolean(hasScopeId);
if (hasScopeId) dest.writeInt(v6Addr.getScopeId());
}
}
@NonNull
private static InetAddress readAddress(@NonNull Parcel p) throws UnknownHostException {
final byte[] addr = p.createByteArray();
if (addr.length == INET6_ADDR_LENGTH) {
final boolean hasScopeId = p.readBoolean();
final int scopeId = hasScopeId ? p.readInt() : 0;
return Inet6Address.getByAddress(null /* host */, addr, scopeId);
}
return InetAddress.getByAddress(addr);
}
/**
* Implement the Parcelable interface.
*/
@@ -1681,14 +1703,13 @@ public final class LinkProperties implements Parcelable {
addressCount = in.readInt();
for (int i = 0; i < addressCount; i++) {
try {
netProp.addDnsServer(InetAddress.getByAddress(in.createByteArray()));
netProp.addDnsServer(readAddress(in));
} catch (UnknownHostException e) { }
}
addressCount = in.readInt();
for (int i = 0; i < addressCount; i++) {
try {
netProp.addValidatedPrivateDnsServer(
InetAddress.getByAddress(in.createByteArray()));
netProp.addValidatedPrivateDnsServer(readAddress(in));
} catch (UnknownHostException e) { }
}
netProp.setUsePrivateDns(in.readBoolean());
@@ -1696,7 +1717,7 @@ public final class LinkProperties implements Parcelable {
addressCount = in.readInt();
for (int i = 0; i < addressCount; i++) {
try {
netProp.addPcscfServer(InetAddress.getByAddress(in.createByteArray()));
netProp.addPcscfServer(readAddress(in));
} catch (UnknownHostException e) { }
}
netProp.setDomains(in.readString());

113
tests/net/common/java/android/net/LinkPropertiesTest.java
View File

@@ -16,7 +16,9 @@
package android.net;
import static com.android.testutils.ParcelUtilsKt.assertParcelSane;
import static com.android.testutils.ParcelUtilsKt.assertParcelingIsLossless;
import static com.android.testutils.ParcelUtilsKt.parcelingRoundTrip;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
@@ -47,25 +49,22 @@ import java.util.Set;
@RunWith(AndroidJUnit4.class)
@SmallTest
public class LinkPropertiesTest {
private static final InetAddress ADDRV4 = InetAddresses.parseNumericAddress("75.208.6.1");
private static final InetAddress ADDRV6 = InetAddresses.parseNumericAddress(
"2001:0db8:85a3:0000:0000:8a2e:0370:7334");
private static final InetAddress DNS1 = InetAddresses.parseNumericAddress("75.208.7.1");
private static final InetAddress DNS2 = InetAddresses.parseNumericAddress("69.78.7.1");
private static final InetAddress DNS6 = InetAddresses.parseNumericAddress(
"2001:4860:4860::8888");
private static final InetAddress PRIVDNS1 = InetAddresses.parseNumericAddress("1.1.1.1");
private static final InetAddress PRIVDNS2 = InetAddresses.parseNumericAddress("1.0.0.1");
private static final InetAddress PRIVDNS6 = InetAddresses.parseNumericAddress(
"2606:4700:4700::1111");
private static final InetAddress PCSCFV4 = InetAddresses.parseNumericAddress("10.77.25.37");
private static final InetAddress PCSCFV6 = InetAddresses.parseNumericAddress(
"2001:0db8:85a3:0000:0000:8a2e:0370:1");
private static final InetAddress GATEWAY1 = InetAddresses.parseNumericAddress("75.208.8.1");
private static final InetAddress GATEWAY2 = InetAddresses.parseNumericAddress("69.78.8.1");
private static final InetAddress GATEWAY61 = InetAddresses.parseNumericAddress(
"fe80::6:0000:613");
private static final InetAddress GATEWAY62 = InetAddresses.parseNumericAddress("fe80::6:2222");
private static final InetAddress ADDRV4 = address("75.208.6.1");
private static final InetAddress ADDRV6 = address("2001:0db8:85a3:0000:0000:8a2e:0370:7334");
private static final InetAddress DNS1 = address("75.208.7.1");
private static final InetAddress DNS2 = address("69.78.7.1");
private static final InetAddress DNS6 = address("2001:4860:4860::8888");
private static final InetAddress PRIVDNS1 = address("1.1.1.1");
private static final InetAddress PRIVDNS2 = address("1.0.0.1");
private static final InetAddress PRIVDNS6 = address("2606:4700:4700::1111");
private static final InetAddress PCSCFV4 = address("10.77.25.37");
private static final InetAddress PCSCFV6 = address("2001:0db8:85a3:0000:0000:8a2e:0370:1");
private static final InetAddress GATEWAY1 = address("75.208.8.1");
private static final InetAddress GATEWAY2 = address("69.78.8.1");
private static final InetAddress GATEWAY61 = address("fe80::6:0000:613");
private static final InetAddress GATEWAY62 = address("fe80::6:22%lo");
private static final InetAddress TESTIPV4ADDR = address("192.168.47.42");
private static final InetAddress TESTIPV6ADDR = address("fe80::7:33%43");
private static final String NAME = "qmi0";
private static final String DOMAINS = "google.com";
private static final String PRIV_DNS_SERVER_NAME = "private.dns.com";
@@ -75,8 +74,7 @@ public class LinkPropertiesTest {
private static final LinkAddress LINKADDRV6 = new LinkAddress(ADDRV6, 128);
private static final LinkAddress LINKADDRV6LINKLOCAL = new LinkAddress("fe80::1/64");
// TODO: replace all calls to NetworkUtils.numericToInetAddress with calls to this method.
private InetAddress Address(String addrString) {
private static InetAddress address(String addrString) {
return InetAddresses.parseNumericAddress(addrString);
}
@@ -228,7 +226,7 @@ public class LinkPropertiesTest {
target.clear();
target.setInterfaceName(NAME);
// change link addresses
target.addLinkAddress(new LinkAddress(Address("75.208.6.2"), 32));
target.addLinkAddress(new LinkAddress(address("75.208.6.2"), 32));
target.addLinkAddress(LINKADDRV6);
target.addDnsServer(DNS1);
target.addDnsServer(DNS2);
@@ -243,7 +241,7 @@ public class LinkPropertiesTest {
target.addLinkAddress(LINKADDRV4);
target.addLinkAddress(LINKADDRV6);
// change dnses
target.addDnsServer(Address("75.208.7.2"));
target.addDnsServer(address("75.208.7.2"));
target.addDnsServer(DNS2);
target.addPcscfServer(PCSCFV6);
target.addRoute(new RouteInfo(GATEWAY1));
@@ -255,10 +253,10 @@ public class LinkPropertiesTest {
target.setInterfaceName(NAME);
target.addLinkAddress(LINKADDRV4);
target.addLinkAddress(LINKADDRV6);
target.addDnsServer(Address("75.208.7.2"));
target.addDnsServer(address("75.208.7.2"));
target.addDnsServer(DNS2);
// change pcscf
target.addPcscfServer(Address("2001::1"));
target.addPcscfServer(address("2001::1"));
target.addRoute(new RouteInfo(GATEWAY1));
target.addRoute(new RouteInfo(GATEWAY2));
target.setMtu(MTU);
@@ -271,9 +269,9 @@ public class LinkPropertiesTest {
target.addDnsServer(DNS1);
target.addDnsServer(DNS2);
// change gateway
target.addRoute(new RouteInfo(Address("75.208.8.2")));
target.addRoute(new RouteInfo(GATEWAY2));
target.addRoute(new RouteInfo(address("75.208.8.2")));
target.setMtu(MTU);
target.addRoute(new RouteInfo(GATEWAY2));
assertFalse(source.equals(target));
target.clear();
@@ -349,7 +347,7 @@ public class LinkPropertiesTest {
@Test
public void testRouteInterfaces() {
LinkAddress prefix = new LinkAddress(Address("2001:db8::"), 32);
LinkAddress prefix = new LinkAddress(address("2001:db8::"), 32);
InetAddress address = ADDRV6;
// Add a route with no interface to a LinkProperties with no interface. No errors.
@@ -739,8 +737,7 @@ public class LinkPropertiesTest {
// Add an on-link route, making the on-link DNS server reachable,
// but there is still no IPv4 address.
assertTrue(v4lp.addRoute(new RouteInfo(
new IpPrefix(NetworkUtils.numericToInetAddress("75.208.0.0"), 16))));
assertTrue(v4lp.addRoute(new RouteInfo(new IpPrefix(address("75.208.0.0"), 16))));
assertFalse(v4lp.isReachable(DNS1));
assertFalse(v4lp.isReachable(DNS2));
@@ -756,9 +753,9 @@ public class LinkPropertiesTest {
assertTrue(v4lp.isReachable(DNS2));
final LinkProperties v6lp = new LinkProperties();
final InetAddress kLinkLocalDns = Address("fe80::6:1");
final InetAddress kLinkLocalDnsWithScope = Address("fe80::6:2%43");
final InetAddress kOnLinkDns = Address("2001:db8:85a3::53");
final InetAddress kLinkLocalDns = address("fe80::6:1");
final InetAddress kLinkLocalDnsWithScope = address("fe80::6:2%43");
final InetAddress kOnLinkDns = address("2001:db8:85a3::53");
assertFalse(v6lp.isReachable(kLinkLocalDns));
assertFalse(v6lp.isReachable(kLinkLocalDnsWithScope));
assertFalse(v6lp.isReachable(kOnLinkDns));
@@ -767,7 +764,7 @@ public class LinkPropertiesTest {
// Add a link-local route, making the link-local DNS servers reachable. Because
// we assume the presence of an IPv6 link-local address, link-local DNS servers
// are considered reachable, but only those with a non-zero scope identifier.
assertTrue(v6lp.addRoute(new RouteInfo(new IpPrefix(Address("fe80::"), 64))));
assertTrue(v6lp.addRoute(new RouteInfo(new IpPrefix(address("fe80::"), 64))));
assertFalse(v6lp.isReachable(kLinkLocalDns));
assertTrue(v6lp.isReachable(kLinkLocalDnsWithScope));
assertFalse(v6lp.isReachable(kOnLinkDns));
@@ -783,7 +780,7 @@ public class LinkPropertiesTest {
// Add a global route on link, but no global address yet. DNS servers reachable
// via a route that doesn't require a gateway: give them the benefit of the
// doubt and hope the link-local source address suffices for communication.
assertTrue(v6lp.addRoute(new RouteInfo(new IpPrefix(Address("2001:db8:85a3::"), 64))));
assertTrue(v6lp.addRoute(new RouteInfo(new IpPrefix(address("2001:db8:85a3::"), 64))));
assertFalse(v6lp.isReachable(kLinkLocalDns));
assertTrue(v6lp.isReachable(kLinkLocalDnsWithScope));
assertTrue(v6lp.isReachable(kOnLinkDns));
@@ -812,7 +809,7 @@ public class LinkPropertiesTest {
stacked.setInterfaceName("v4-test0");
v6lp.addStackedLink(stacked);
InetAddress stackedAddress = Address("192.0.0.4");
InetAddress stackedAddress = address("192.0.0.4");
LinkAddress stackedLinkAddress = new LinkAddress(stackedAddress, 32);
assertFalse(v6lp.isReachable(stackedAddress));
stacked.addLinkAddress(stackedLinkAddress);
@@ -845,7 +842,7 @@ public class LinkPropertiesTest {
LinkProperties rmnet1 = new LinkProperties();
rmnet1.setInterfaceName("rmnet1");
rmnet1.addLinkAddress(new LinkAddress("10.0.0.3/8"));
RouteInfo defaultRoute1 = new RouteInfo((IpPrefix) null, Address("10.0.0.1"),
RouteInfo defaultRoute1 = new RouteInfo((IpPrefix) null, address("10.0.0.1"),
rmnet1.getInterfaceName());
RouteInfo directRoute1 = new RouteInfo(new IpPrefix("10.0.0.0/8"), null,
rmnet1.getInterfaceName());
@@ -864,7 +861,7 @@ public class LinkPropertiesTest {
rmnet2.setInterfaceName("rmnet2");
rmnet2.addLinkAddress(new LinkAddress("fe80::cafe/64"));
rmnet2.addLinkAddress(new LinkAddress("2001:db8::2/64"));
RouteInfo defaultRoute2 = new RouteInfo((IpPrefix) null, Address("2001:db8::1"),
RouteInfo defaultRoute2 = new RouteInfo((IpPrefix) null, address("2001:db8::1"),
rmnet2.getInterfaceName());
RouteInfo directRoute2 = new RouteInfo(new IpPrefix("2001:db8::/64"), null,
rmnet2.getInterfaceName());
@@ -930,24 +927,54 @@ public class LinkPropertiesTest {
public void testLinkPropertiesParcelable() throws Exception {
LinkProperties source = new LinkProperties();
source.setInterfaceName(NAME);
// set 2 link addresses
source.addLinkAddress(LINKADDRV4);
source.addLinkAddress(LINKADDRV6);
// set 2 dnses
source.addDnsServer(DNS1);
source.addDnsServer(DNS2);
// set 2 gateways
source.addDnsServer(GATEWAY62);
source.addPcscfServer(TESTIPV4ADDR);
source.addPcscfServer(TESTIPV6ADDR);
source.setUsePrivateDns(true);
source.setPrivateDnsServerName(PRIV_DNS_SERVER_NAME);
source.setDomains(DOMAINS);
source.addRoute(new RouteInfo(GATEWAY1));
source.addRoute(new RouteInfo(GATEWAY2));
// set 2 validated private dnses
source.addValidatedPrivateDnsServer(DNS6);
source.addValidatedPrivateDnsServer(GATEWAY61);
source.addValidatedPrivateDnsServer(TESTIPV6ADDR);
source.setHttpProxy(ProxyInfo.buildDirectProxy("test", 8888));
source.setMtu(MTU);
source.setTcpBufferSizes(TCP_BUFFER_SIZES);
source.setNat64Prefix(new IpPrefix("2001:db8:1:2:64:64::/96"));
assertParcelingIsLossless(source);
source.setWakeOnLanSupported(true);
final LinkProperties stacked = new LinkProperties();
stacked.setInterfaceName("test-stacked");
source.addStackedLink(stacked);
assertParcelSane(source, 15 /* fieldCount */);
}
@Test
public void testLinkLocalDnsServerParceling() throws Exception {
final String strAddress = "fe80::1%lo";
final LinkProperties lp = new LinkProperties();
lp.addDnsServer(address(strAddress));
final LinkProperties unparceled = parcelingRoundTrip(lp);
// Inet6Address#equals does not test for the scope id
assertEquals(strAddress, unparceled.getDnsServers().get(0).getHostAddress());
}
@Test