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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.commands.dpm;
import android.app.admin.IDevicePolicyManager;
import android.content.ComponentName;
import android.content.Context;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.UserHandle;
import com.android.internal.os.BaseCommand;
import java.io.PrintStream;
public final class Dpm extends BaseCommand {
/**
* Command-line entry point.
*
* @param args The command-line arguments
*/
public static void main(String[] args) {
(new Dpm()).run(args);
}
private static final String COMMAND_SET_DEVICE_OWNER = "set-device-owner";
private IDevicePolicyManager mDevicePolicyManager;
@Override
public void onShowUsage(PrintStream out) {
out.println(
"usage: dpm [subcommand] [options]\n" +
"usage: dpm set-device-owner <COMPONENT>\n" +
"\n" +
"dpm set-device-owner: Sets the given component as active admin, and its\n" +
" package as device owner.\n");
}
@Override
public void onRun() throws Exception {
mDevicePolicyManager = IDevicePolicyManager.Stub.asInterface(
ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
if (mDevicePolicyManager == null) {
showError("Error: Could not access the Device Policy Manager. Is the system running?");
return;
}
String command = nextArgRequired();
switch (command) {
case COMMAND_SET_DEVICE_OWNER:
runSetDeviceOwner(nextArgRequired());
break;
default:
throw new IllegalArgumentException ("unknown command '" + command + "'");
}
}
private void runSetDeviceOwner(String argument) throws Exception {
ComponentName component = ComponentName.unflattenFromString(argument);
if (component == null) {
throw new IllegalArgumentException ("Invalid component " + argument);
}
mDevicePolicyManager.setActiveAdmin(component, true, UserHandle.USER_OWNER);
String packageName = component.getPackageName();
try {
if (!mDevicePolicyManager.setDeviceOwner(packageName, null)) {
throw new Exception("Can't set package " + packageName + " as device owner.");
}
} catch (Exception e) {
// Need to remove the admin that we just added.
mDevicePolicyManager.removeActiveAdmin(component, UserHandle.USER_OWNER);
throw e;
}
System.out.println("Device owner set to package " + packageName);
System.out.println("Active admin set to component " + component.toShortString());
}
}
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