tunnel: auto-detect IPv6/IPv4 preference

Detect IP address change.
Request non-VPN network.
Update endpoint when needed.
Unregister network on wgTurnOff and use IPv4 if network is not known.

1 files changed, 10 insertions, 2 deletions

diff --git a/tunnel/src/main/java/com/wireguard/config/Config.java b/tunnel/src/main/java/com/wireguard/config/Config.java
index 807ebec8..ea05e9c8 100644
--- a/tunnel/src/main/java/com/wireguard/config/Config.java
+++ b/tunnel/src/main/java/com/wireguard/config/Config.java
@@ -9,6 +9,7 @@ import com.wireguard.config.BadConfigException.Location;
 import com.wireguard.config.BadConfigException.Reason;
 import com.wireguard.config.BadConfigException.Section;
 import com.wireguard.util.NonNullForAll;
+import com.wireguard.util.Resolver;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -173,12 +174,19 @@ public final class Config {
      *
      * @return the {@code Config} represented as a series of "key=value" lines
      */
-    public String toWgUserspaceString() {
+    public String toWgUserspaceString(Resolver resolver) {
         final StringBuilder sb = new StringBuilder();
         sb.append(interfaze.toWgUserspaceString());
         sb.append("replace_peers=true\n");
         for (final Peer peer : peers)
-            sb.append(peer.toWgUserspaceString());
+            sb.append(peer.toWgUserspaceString(resolver));
+        return sb.toString();
+    }
+
+    public String toWgUserspaceStringWithChangedEndpoints(Resolver resolver) {
+        final StringBuilder sb = new StringBuilder();
+        for (final Peer peer : peers)
+            sb.append(peer.toWgUserspaceStringWithChangedEndpoint(resolver));
         return sb.toString();
     }