| /* |
| * Copyright (C) 2019 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.tradefed.suite.checker; |
| |
| import com.android.tradefed.config.Option; |
| import com.android.tradefed.device.DeviceNotAvailableException; |
| import com.android.tradefed.device.ITestDevice; |
| import com.android.tradefed.suite.checker.StatusCheckerResult.CheckStatus; |
| |
| /** Status checker that ensures the status of Selinux. */ |
| public class EnforcedSeLinuxChecker implements ISystemStatusChecker { |
| |
| private static final String ENFORCING_STRING = "enforcing"; |
| |
| @Option( |
| name = "expect-enforced", |
| description = "Controls whether or not Selinux is enforced between modules." |
| ) |
| private boolean mExpectedEnforced = false; |
| |
| /** {@inheritDoc} */ |
| @Override |
| public StatusCheckerResult postExecutionCheck(ITestDevice device) |
| throws DeviceNotAvailableException { |
| StatusCheckerResult result = new StatusCheckerResult(CheckStatus.SUCCESS); |
| if (mExpectedEnforced && !isEnforced(device)) { |
| result.setStatus(CheckStatus.FAILED); |
| result.setErrorMessage("Device is in permissive mode while enforced was expected."); |
| setEnforced(device, true); |
| } else if (!mExpectedEnforced && isEnforced(device)) { |
| result.setStatus(CheckStatus.FAILED); |
| result.setErrorMessage("Device is in enforced mode while permissive was expected."); |
| setEnforced(device, false); |
| } |
| return result; |
| } |
| |
| private boolean isEnforced(ITestDevice device) throws DeviceNotAvailableException { |
| String result = device.executeShellCommand("getenforce"); |
| if (ENFORCING_STRING.equals(result.toLowerCase().trim())) { |
| return true; |
| } |
| return false; |
| } |
| |
| private void setEnforced(ITestDevice device, boolean enforced) |
| throws DeviceNotAvailableException { |
| String enforce = enforced ? "1" : "0"; |
| device.executeShellCommand("su root setenforce " + enforce); |
| } |
| } |