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prefer DNS servers from VPNs

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This commit is contained in:
Daniel Gultsch 2017-07-12 22:19:45 +02:00
parent 35a4b848a5
commit 7623accfd5
2 changed files with 10 additions and 5 deletions
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11
src/main/java/eu/siacs/conversations/utils/AndroidUsingLinkProperties.java
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@ -5,6 +5,7 @@ import android.content.Context;
import android.net.ConnectivityManager; import android.net.ConnectivityManager;
import android.net.LinkProperties; import android.net.LinkProperties;
import android.net.Network; import android.net.Network;
import android.net.NetworkInfo;
import android.net.RouteInfo; import android.net.RouteInfo;
import android.os.Build; import android.os.Build;
@ -39,11 +40,17 @@ public class AndroidUsingLinkProperties extends AbstractDNSServerLookupMechanism
return new String[0]; return new String[0];
} }
List<String> servers = new ArrayList<>(); List<String> servers = new ArrayList<>();
int vpnOffset = 0;
for(Network network : networks) { for(Network network : networks) {
LinkProperties linkProperties = connectivityManager.getLinkProperties(network); LinkProperties linkProperties = connectivityManager.getLinkProperties(network);
NetworkInfo networkInfo = connectivityManager.getNetworkInfo(network);
if (linkProperties != null) { if (linkProperties != null) {
if (hasDefaultRoute(linkProperties)) { if (networkInfo != null && networkInfo.getType() == ConnectivityManager.TYPE_VPN) {
servers.addAll(0, getIPv4First(linkProperties.getDnsServers())); final List<String> tmp = getIPv4First(linkProperties.getDnsServers());
servers.addAll(0, tmp);
vpnOffset += tmp.size();
} else if (hasDefaultRoute(linkProperties)) {
servers.addAll(vpnOffset, getIPv4First(linkProperties.getDnsServers()));
} else { } else {
servers.addAll(getIPv4First(linkProperties.getDnsServers())); servers.addAll(getIPv4First(linkProperties.getDnsServers()));
} }

4
src/main/java/eu/siacs/conversations/utils/Resolver.java
View file

@ -119,9 +119,7 @@ public class Resolver {
} catch (Throwable throwable) { } catch (Throwable throwable) {
Log.d(Config.LOGTAG, Resolver.class.getSimpleName() + "error resolving fallback records",throwable); Log.d(Config.LOGTAG, Resolver.class.getSimpleName() + "error resolving fallback records",throwable);
} }
if (results.size() == 0) { results.add(Result.createDefault(dnsName));
results.add(Result.createDefault(dnsName));
}
return results; return results;
} }