Filter our v6 address from tethering dns.
Don't support IPv6 yet, and the tools crash when they see one, so
filter them out.
bug:5913888
Change-Id: Id7096aa70da4e3cc8e4702b0b489c0228a100db9
diff --git a/services/java/com/android/server/connectivity/Tethering.java b/services/java/com/android/server/connectivity/Tethering.java
index ed7324c..cc1df4f 100644
--- a/services/java/com/android/server/connectivity/Tethering.java
+++ b/services/java/com/android/server/connectivity/Tethering.java
@@ -55,6 +55,7 @@
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.net.InetAddress;
+import java.net.Inet4Address;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
@@ -1326,7 +1327,17 @@
String[] dnsServers = mDefaultDnsServers;
Collection<InetAddress> dnses = linkProperties.getDnses();
if (dnses != null) {
- dnsServers = NetworkUtils.makeStrings(dnses);
+ // we currently only handle IPv4
+ ArrayList<InetAddress> v4Dnses =
+ new ArrayList<InetAddress>(dnses.size());
+ for (InetAddress dnsAddress : dnses) {
+ if (dnsAddress instanceof Inet4Address) {
+ v4Dnses.add(dnsAddress);
+ }
+ }
+ if (v4Dnses.size() > 0) {
+ dnsServers = NetworkUtils.makeStrings(v4Dnses);
+ }
}
try {
mNMService.setDnsForwarders(dnsServers);
@@ -1384,11 +1395,12 @@
boolean mTryCell = !WAIT_FOR_NETWORK_TO_SETTLE;
@Override
public void enter() {
+ turnOnMasterTetherSettings(); // may transition us out
+
mTryCell = !WAIT_FOR_NETWORK_TO_SETTLE; // better try something first pass
// or crazy tests cases will fail
chooseUpstreamType(mTryCell);
mTryCell = !mTryCell;
- turnOnMasterTetherSettings(); // may transition us out
}
@Override
public void exit() {