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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 android.cts.security;
import com.android.cts.tradefed.build.CtsBuildHelper;
import com.android.ddmlib.Log;
import com.android.ddmlib.Log.LogLevel;
import com.android.tradefed.build.IBuildInfo;
import com.android.tradefed.device.ITestDevice;
import com.android.tradefed.testtype.DeviceTestCase;
import com.android.tradefed.testtype.IBuildReceiver;
import java.io.BufferedReader;
import java.io.File;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.FileOutputStream;
import java.lang.String;
import java.net.URL;
import java.util.Scanner;
/**
* Host-side SELinux tests.
*
* These tests analyze the policy file in use on the subject device directly or
* run as the shell user to evaluate aspects of the state of SELinux on the test
* device which otherwise would not be available to a normal apk.
*/
public class SELinuxHostTest extends DeviceTestCase {
/**
* A reference to the device under test.
*/
private ITestDevice mDevice;
@Override
protected void setUp() throws Exception {
super.setUp();
mDevice = getDevice();
}
/**
* Tests that all domains in the running policy file are in enforcing mode
*
* @throws Exception
*/
public void testAllEnforcing() throws Exception {
/* retrieve the sepolicy-analyze executable from jar */
InputStream is = this.getClass().getResourceAsStream("/sepolicy-analyze");
File execFile = File.createTempFile("sepolicy-analyze", ".tmp");
FileOutputStream os = new FileOutputStream(execFile);
int rByte = 0;
while ((rByte = is.read()) != -1) {
os.write(rByte);
}
os.flush();
os.close();
execFile.setExecutable(true);
/* obtain sepolicy file from running device */
File policyFile = File.createTempFile("sepolicy", ".tmp");
mDevice.executeAdbCommand("pull", "/sys/fs/selinux/policy", policyFile.getAbsolutePath());
/* run sepolicy-analyze permissive check on policy file */
ProcessBuilder pb = new ProcessBuilder(execFile.getAbsolutePath(), "-p", "-P",
policyFile.getAbsolutePath());
pb.redirectOutput(ProcessBuilder.Redirect.PIPE);
pb.redirectErrorStream(true);
Process p = pb.start();
p.waitFor();
BufferedReader result = new BufferedReader(new InputStreamReader(p.getInputStream()));
String line;
StringBuilder errorString = new StringBuilder();
while ((line = result.readLine()) != null) {
errorString.append(line);
errorString.append("\n");
}
/* clean up and check condition */
execFile.delete();
policyFile.delete();
assertTrue("The following SELinux domains were found to be in permissive mode:\n"
+ errorString, errorString.length() == 0);
}
}
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