Hesham/wireguard-android
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WgQuickBackend: properly report exception so alert shows

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2018-01-10 03:16:42 +01:00
parent df3062c7ad
commit dfa4a2eb9d
2 changed files with 18 additions and 10 deletions
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21
app/src/main/java/com/wireguard/android/backend/WgQuickBackend.java
View File

@ -103,18 +103,27 @@ public final class WgQuickBackend implements Backend {
state = originalState == State.UP ? State.DOWN : State.UP;
if (state == originalState)
return originalState;
if (state == State.UP && !new File("/sys/module/wireguard").exists())
throw new ModuleNotLoadedException("WireGuard module not loaded");
Log.d(TAG, "Changing tunnel " + tunnel.getName() + " to state " + state);
toolsInstaller.ensureToolsAvailable();
final int result;
if (state == State.UP) {
if (!new File("/sys/module/wireguard").exists())
throw new ErrnoException("WireGuard module not loaded", OsConstants.ENODEV);
if (state == State.UP)
result = bringUpTunnel(tunnel, tunnel.getConfig());
} else {
else
result = rootShell.run(null, "wg-quick down '" + tunnel.getName() + '\'');
}
if (result != 0)
throw new Exception("wg-quick failed");
throw new Exception("Unable to configure tunnel");
return getState(tunnel);
}
public static class ModuleNotLoadedException extends Exception {
public ModuleNotLoadedException(final String message, final Throwable cause) {
super(message, cause);
}
public ModuleNotLoadedException(final String message) {
super(message);
}
}
}

7
app/src/main/java/com/wireguard/android/fragment/TunnelController.java
View File

@ -4,8 +4,6 @@ import android.app.AlertDialog;
import android.content.Context;
import android.databinding.DataBindingUtil;
import android.databinding.ViewDataBinding;
import android.system.ErrnoException;
import android.system.OsConstants;
import android.text.Html;
import android.text.method.LinkMovementMethod;
import android.util.Log;
@ -14,6 +12,7 @@ import android.widget.TextView;
import com.commonsware.cwac.crossport.design.widget.Snackbar;
import com.wireguard.android.R;
import com.wireguard.android.backend.WgQuickBackend;
import com.wireguard.android.databinding.TunnelDetailFragmentBinding;
import com.wireguard.android.databinding.TunnelListItemBinding;
import com.wireguard.android.model.Tunnel;
@ -48,8 +47,8 @@ public final class TunnelController {
if (throwable == null)
return;
final Context context = view.getContext();
if (throwable instanceof ErrnoException
&& ((ErrnoException) throwable).errno == OsConstants.ENODEV) {
if (throwable instanceof WgQuickBackend.ModuleNotLoadedException ||
throwable.getCause() instanceof WgQuickBackend.ModuleNotLoadedException) {
final String message = context.getString(R.string.not_supported_message);
final String title = context.getString(R.string.not_supported_title);
final AlertDialog dialog = new AlertDialog.Builder(context)