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Commit c0044f8c authored by Felipe Leme's avatar Felipe Leme
Browse files

Initial implementation of 'cmd device_policy'. 

For now it only provides is-operation-safe, but in the long term
it will replace `dpm`

Test: adb shell cmd device_policy is-operation-safe 1

Bug: 172376923
Bug: 173381875

Change-Id: I730d9a098ba83f5813ad9f5370c680c2c89b0230
parent 9e442109

services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java

+10 −0
Original line number Diff line number Diff line
@@ -218,8 +218,10 @@ import android.os.Process; 
import android.os.RecoverySystem;

import android.os.RemoteCallback;

import android.os.RemoteException;

import android.os.ResultReceiver;

import android.os.ServiceManager;

import android.os.ServiceSpecificException;

import android.os.ShellCallback;

import android.os.SystemClock;

import android.os.SystemProperties;

import android.os.UserHandle;
@@ -8727,6 +8729,14 @@ public class DevicePolicyManagerService extends BaseIDevicePolicyManager { 
        pw.decreaseIndent();

    }













    @Override













    public void onShellCommand(FileDescriptor in, FileDescriptor out, FileDescriptor err,













            String[] args, ShellCallback callback, ResultReceiver resultReceiver) {













        new DevicePolicyManagerServiceShellCommand(DevicePolicyManagerService.this).exec(













                this, in, out, err, args, callback, resultReceiver);

























    }



























    private String getEncryptionStatusName(int encryptionStatus) {















        switch (encryptionStatus) {















            case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE:

































services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerServiceShellCommand.java
0 → 100644



+82
−0




























Original line number
Diff line number
Diff line













/*













 * Copyright (C) 2020 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.server.devicepolicy;



























import android.app.admin.DevicePolicyManager;













import android.os.ShellCommand;



























import java.io.PrintWriter;













import java.util.Objects;



























final class DevicePolicyManagerServiceShellCommand extends ShellCommand {



























    private static final String CMD_IS_SAFE_OPERATION = "is-operation-safe";



























    private final DevicePolicyManagerService mService;



























    DevicePolicyManagerServiceShellCommand(DevicePolicyManagerService service) {













        mService = Objects.requireNonNull(service);













    }



























    @Override













    public void onHelp() {













        try (PrintWriter pw = getOutPrintWriter();) {













            pw.printf("DevicePolicyManager Service (device_policy) commands:\n\n");













            showHelp(pw);













        }













    }



























    @Override













    public int onCommand(String cmd) {













        if (cmd == null) {













            return handleDefaultCommands(cmd);













        }













        try (PrintWriter pw = getOutPrintWriter();) {













            switch (cmd) {













                case CMD_IS_SAFE_OPERATION:













                    return runIsSafeOperation(pw);













                default:













                    return onInvalidCommand(pw, cmd);













            }













        }













    }



























    private int onInvalidCommand(PrintWriter pw, String cmd) {













        if (super.handleDefaultCommands(cmd) == 0) {













            return 0;













        }



























        pw.println("Usage: ");













        showHelp(pw);













        return -1;













    }









































    private void showHelp(PrintWriter pw) {













        pw.printf("  help\n");













        pw.printf("    Prints this help text.\n\n");













        pw.printf("  %s <OPERATION_ID>\n", CMD_IS_SAFE_OPERATION);













        pw.printf("    Checks if the give operation is safe \n\n");













    }



























    private int runIsSafeOperation(PrintWriter pw) {













        int operation = Integer.parseInt(getNextArgRequired());













        boolean safe = mService.canExecute(operation);













        pw.printf("Operation %s is %s\n", DevicePolicyManager.operationToString(operation),













                safe ? "SAFE" : "UNSAFE");













        return 0;













    }













}