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package com.wireguard.android;
import android.app.Activity;
import android.app.FragmentTransaction;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceFragment;
import com.wireguard.android.backends.RootShell;
public class SettingsActivity extends Activity {
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final FragmentTransaction transaction = getFragmentManager().beginTransaction();
final SettingsFragment fragment = new SettingsFragment();
fragment.setArguments(getIntent().getExtras());
transaction.replace(android.R.id.content, fragment).commit();
}
public static class SettingsFragment extends PreferenceFragment {
@Override
public void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.preferences);
if (getArguments() != null && getArguments().getBoolean("showQuickTile"))
((ConfigListPreference) findPreference("primary_config")).show();
final Preference installTools = findPreference("install_cmd_line_tools");
installTools.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
public boolean onPreferenceClick(Preference preference) {
new ToolsInstaller(installTools).execute();
return true;
}
});
}
}
private static class ToolsInstaller extends AsyncTask<Void, Void, Integer> {
Preference installTools;
public ToolsInstaller(Preference installTools) {
this.installTools = installTools;
installTools.setEnabled(false);
installTools.setSummary(installTools.getContext().getString(R.string.install_cmd_line_tools_progress));
}
private static final String[][] libraryNamedExecutables = {
{ "libwg.so", "wg" },
{ "libwg-quick.so", "wg-quick" }
};
@Override
protected Integer doInBackground(final Void... voids) {
final Context context = installTools.getContext();
final String libDir = context.getApplicationInfo().nativeLibraryDir;
final StringBuilder cmd = new StringBuilder();
cmd.append("set -ex;");
for (final String[] libraryNamedExecutable : libraryNamedExecutables) {
final String arg1 = "'" + libDir + "/" + libraryNamedExecutable[0] + "'";
final String arg2 = "'/system/xbin/" + libraryNamedExecutable[1] + "'";
cmd.append(String.format("cmp -s %s %s && ", arg1, arg2));
}
cmd.append("exit 114;");
cmd.append("trap 'mount -o ro,remount /system' EXIT;");
cmd.append("mount -o rw,remount /system;");
for (final String[] libraryNamedExecutable : libraryNamedExecutables) {
final String arg1 = "'" + libDir + "/" + libraryNamedExecutable[0] + "'";
final String arg2 = "'/system/xbin/" + libraryNamedExecutable[1] + "'";
cmd.append(String.format("cp %s %s; chmod 755 %s;", arg1, arg2, arg2));
}
return new RootShell(context).run(null, cmd.toString());
}
@Override
protected void onPostExecute(final Integer ret) {
final Context context = installTools.getContext();
String status;
switch (ret) {
case 0:
status = context.getString(R.string.install_cmd_line_tools_success);
break;
case 114 /* OsConstants.EALREADY */:
status = context.getString(R.string.install_cmd_line_tools_already);
break;
default:
status = context.getString(R.string.install_cmd_line_tools_failure);
break;
}
installTools.setSummary(status);
installTools.setEnabled(true);
}
}
}
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