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Add the list of private DNS addresses to LinkProperties

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Test: atest android.net.LinkPropertiesTest, also new tests pass
Bug: 73641539
Change-Id: If33a35b1354a67db09411ff098f20064797296ad
This commit is contained in:
Chalard Jean
2018-04-11 16:36:41 +09:00
parent 687ddf6928
commit 3e0a46a439
2 changed files with 171 additions and 24 deletions
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118
core/java/android/net/LinkProperties.java
View File

@@ -50,6 +50,7 @@ public final class LinkProperties implements Parcelable {
private String mIfaceName;
private ArrayList<LinkAddress> mLinkAddresses = new ArrayList<LinkAddress>();
private ArrayList<InetAddress> mDnses = new ArrayList<InetAddress>();
private ArrayList<InetAddress> mValidatedPrivateDnses = new ArrayList<InetAddress>();
private boolean mUsePrivateDns;
private String mPrivateDnsServerName;
private String mDomains;
@@ -167,6 +168,9 @@ public final class LinkProperties implements Parcelable {
mIfaceName = source.getInterfaceName();
for (LinkAddress l : source.getLinkAddresses()) mLinkAddresses.add(l);
for (InetAddress i : source.getDnsServers()) mDnses.add(i);
for (InetAddress i : source.getValidatedPrivateDnsServers()) {
mValidatedPrivateDnses.add(i);
}
mUsePrivateDns = source.mUsePrivateDns;
mPrivateDnsServerName = source.mPrivateDnsServerName;
mDomains = source.getDomains();
@@ -374,7 +378,7 @@ public final class LinkProperties implements Parcelable {
* Replaces the DNS servers in this {@code LinkProperties} with
* the given {@link Collection} of {@link InetAddress} objects.
*
* @param addresses The {@link Collection} of DNS servers to set in this object.
* @param dnsServers The {@link Collection} of DNS servers to set in this object.
* @hide
*/
public void setDnsServers(Collection<InetAddress> dnsServers) {
@@ -447,6 +451,65 @@ public final class LinkProperties implements Parcelable {
return mPrivateDnsServerName;
}
/**
* Adds the given {@link InetAddress} to the list of validated private DNS servers,
* if not present. This is distinct from the server name in that these are actually
* resolved addresses.
*
* @param dnsServer The {@link InetAddress} to add to the list of validated private DNS servers.
* @return true if the DNS server was added, false if it was already present.
* @hide
*/
public boolean addValidatedPrivateDnsServer(InetAddress dnsServer) {
if (dnsServer != null && !mValidatedPrivateDnses.contains(dnsServer)) {
mValidatedPrivateDnses.add(dnsServer);
return true;
}
return false;
}
/**
* Removes the given {@link InetAddress} from the list of validated private DNS servers.
*
* @param dnsServer The {@link InetAddress} to remove from the list of validated private DNS
* servers.
* @return true if the DNS server was removed, false if it did not exist.
* @hide
*/
public boolean removeValidatedPrivateDnsServer(InetAddress dnsServer) {
if (dnsServer != null) {
return mValidatedPrivateDnses.remove(dnsServer);
}
return false;
}
/**
* Replaces the validated private DNS servers in this {@code LinkProperties} with
* the given {@link Collection} of {@link InetAddress} objects.
*
* @param dnsServers The {@link Collection} of validated private DNS servers to set in this
* object.
* @hide
*/
public void setValidatedPrivateDnsServers(Collection<InetAddress> dnsServers) {
mValidatedPrivateDnses.clear();
for (InetAddress dnsServer: dnsServers) {
addValidatedPrivateDnsServer(dnsServer);
}
}
/**
* Returns all the {@link InetAddress} for validated private DNS servers on this link.
* These are resolved from the private DNS server name.
*
* @return An umodifiable {@link List} of {@link InetAddress} for validated private
* DNS servers on this link.
* @hide
*/
public List<InetAddress> getValidatedPrivateDnsServers() {
return Collections.unmodifiableList(mValidatedPrivateDnses);
}
/**
* Sets the DNS domain search path used on this link.
*
@@ -715,6 +778,15 @@ public final class LinkProperties implements Parcelable {
privateDnsServerName = "PrivateDnsServerName: " + mPrivateDnsServerName + " ";
}
String validatedPrivateDns = "";
if (!mValidatedPrivateDnses.isEmpty()) {
validatedPrivateDns = "ValidatedPrivateDnsAddresses: [";
for (InetAddress addr : mValidatedPrivateDnses) {
validatedPrivateDns += addr.getHostAddress() + ",";
}
validatedPrivateDns += "] ";
}
String domainName = "Domains: " + mDomains;
String mtu = " MTU: " + mMtu;
@@ -976,6 +1048,20 @@ public final class LinkProperties implements Parcelable {
target.getPrivateDnsServerName()));
}
/**
* Compares this {@code LinkProperties} validated private DNS addresses against
* the target
*
* @param target LinkProperties to compare.
* @return {@code true} if both are identical, {@code false} otherwise.
* @hide
*/
public boolean isIdenticalValidatedPrivateDnses(LinkProperties target) {
Collection<InetAddress> targetDnses = target.getValidatedPrivateDnsServers();
return (mValidatedPrivateDnses.size() == targetDnses.size())
? mValidatedPrivateDnses.containsAll(targetDnses) : false;
}
/**
* Compares this {@code LinkProperties} Routes against the target
*
@@ -1074,6 +1160,7 @@ public final class LinkProperties implements Parcelable {
&& isIdenticalAddresses(target)
&& isIdenticalDnses(target)
&& isIdenticalPrivateDns(target)
&& isIdenticalValidatedPrivateDnses(target)
&& isIdenticalRoutes(target)
&& isIdenticalHttpProxy(target)
&& isIdenticalStackedLinks(target)
@@ -1120,6 +1207,19 @@ public final class LinkProperties implements Parcelable {
return new CompareResult<>(mDnses, target != null ? target.getDnsServers() : null);
}
/**
* Compares the validated private DNS addresses in this LinkProperties with another
* LinkProperties.
*
* @param target a LinkProperties with the new list of validated private dns addresses
* @return the differences between the DNS addresses.
* @hide
*/
public CompareResult<InetAddress> compareValidatedPrivateDnses(LinkProperties target) {
return new CompareResult<>(mValidatedPrivateDnses,
target != null ? target.getValidatedPrivateDnsServers() : null);
}
/**
* Compares all routes in this LinkProperties with another LinkProperties,
* examining both the the base link and all stacked links.
@@ -1168,6 +1268,7 @@ public final class LinkProperties implements Parcelable {
return ((null == mIfaceName) ? 0 : mIfaceName.hashCode()
+ mLinkAddresses.size() * 31
+ mDnses.size() * 37
+ mValidatedPrivateDnses.size() * 61
+ ((null == mDomains) ? 0 : mDomains.hashCode())
+ mRoutes.size() * 41
+ ((null == mHttpProxy) ? 0 : mHttpProxy.hashCode())
@@ -1192,6 +1293,10 @@ public final class LinkProperties implements Parcelable {
for (InetAddress d : mDnses) {
dest.writeByteArray(d.getAddress());
}
dest.writeInt(mValidatedPrivateDnses.size());
for (InetAddress d : mValidatedPrivateDnses) {
dest.writeByteArray(d.getAddress());
}
dest.writeBoolean(mUsePrivateDns);
dest.writeString(mPrivateDnsServerName);
dest.writeString(mDomains);
@@ -1234,6 +1339,13 @@ public final class LinkProperties implements Parcelable {
netProp.addDnsServer(InetAddress.getByAddress(in.createByteArray()));
} catch (UnknownHostException e) { }
}
addressCount = in.readInt();
for (int i = 0; i < addressCount; i++) {
try {
netProp.addValidatedPrivateDnsServer(
InetAddress.getByAddress(in.createByteArray()));
} catch (UnknownHostException e) { }
}
netProp.setUsePrivateDns(in.readBoolean());
netProp.setPrivateDnsServerName(in.readString());
netProp.setDomains(in.readString());
@@ -1265,9 +1377,9 @@ public final class LinkProperties implements Parcelable {
*/
public static boolean isValidMtu(int mtu, boolean ipv6) {
if (ipv6) {
if ((mtu >= MIN_MTU_V6 && mtu <= MAX_MTU)) return true;
if (mtu >= MIN_MTU_V6 && mtu <= MAX_MTU) return true;
} else {
if ((mtu >= MIN_MTU && mtu <= MAX_MTU)) return true;
if (mtu >= MIN_MTU && mtu <= MAX_MTU) return true;
}
return false;
}

35
tests/net/java/android/net/LinkPropertiesTest.java
View File

@@ -27,6 +27,7 @@ import android.net.LinkProperties;
import android.net.LinkProperties.CompareResult;
import android.net.LinkProperties.ProvisioningChange;
import android.net.RouteInfo;
import android.os.Parcel;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import android.system.OsConstants;
@@ -82,6 +83,9 @@ public class LinkPropertiesTest {
assertTrue(source.isIdenticalPrivateDns(target));
assertTrue(target.isIdenticalPrivateDns(source));
assertTrue(source.isIdenticalValidatedPrivateDnses(target));
assertTrue(target.isIdenticalValidatedPrivateDnses(source));
assertTrue(source.isIdenticalRoutes(target));
assertTrue(target.isIdenticalRoutes(source));
@@ -784,4 +788,35 @@ public class LinkPropertiesTest {
assertEquals(new ArraySet<>(expectAdded), new ArraySet<>(result.added));
assertEquals(new ArraySet<>(expectRemoved), (new ArraySet<>(result.removed)));
}
@Test
public void testLinkPropertiesParcelable() {
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.addRoute(new RouteInfo(GATEWAY1));
source.addRoute(new RouteInfo(GATEWAY2));
// set 2 validated private dnses
source.addValidatedPrivateDnsServer(DNS6);
source.addValidatedPrivateDnsServer(GATEWAY61);
source.setMtu(MTU);
Parcel p = Parcel.obtain();
source.writeToParcel(p, /* flags */ 0);
p.setDataPosition(0);
final byte[] marshalled = p.marshall();
p = Parcel.obtain();
p.unmarshall(marshalled, 0, marshalled.length);
p.setDataPosition(0);
LinkProperties dest = LinkProperties.CREATOR.createFromParcel(p);
assertEquals(source, dest);
}
}