| /* |
| * 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 dexfuzz.executors; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import dexfuzz.ExecutionResult; |
| import dexfuzz.Log; |
| import dexfuzz.Options; |
| import dexfuzz.StreamConsumer; |
| |
| /** |
| * Handles execution either on a remote target device, or on a local host computer. |
| */ |
| public class Device { |
| private boolean isHost; |
| private String deviceName; |
| private boolean usingSpecificDevice; |
| private boolean noBootImage; |
| |
| private String androidHostOut; |
| private String androidProductOut; |
| private String androidData; |
| |
| private boolean programPushed; |
| |
| /** |
| * The constructor for a host "device". |
| */ |
| public Device() { |
| this.isHost = true; |
| this.deviceName = "[HostDevice]"; |
| setup(); |
| } |
| |
| /** |
| * The constructor for an ADB connected device. |
| */ |
| public Device(String deviceName, boolean noBootImage) { |
| if (!deviceName.isEmpty()) { |
| this.deviceName = deviceName; |
| this.usingSpecificDevice = true; |
| } |
| this.noBootImage = noBootImage; |
| setup(); |
| } |
| |
| private String checkForEnvVar(Map<String, String> envVars, String key) { |
| if (!envVars.containsKey(key)) { |
| Log.errorAndQuit("Cannot run a fuzzed program if $" + key + " is not set!"); |
| } |
| return envVars.get(key); |
| } |
| |
| private void setup() { |
| programPushed = false; |
| |
| Map<String, String> envVars = System.getenv(); |
| androidProductOut = checkForEnvVar(envVars, "ANDROID_PRODUCT_OUT"); |
| androidHostOut = checkForEnvVar(envVars, "ANDROID_HOST_OUT"); |
| |
| if (!isHost) { |
| // Create temporary consumers for the initial test. |
| StreamConsumer outputConsumer = new StreamConsumer(); |
| outputConsumer.start(); |
| StreamConsumer errorConsumer = new StreamConsumer(); |
| errorConsumer.start(); |
| |
| // Check for ADB. |
| try { |
| ProcessBuilder pb = new ProcessBuilder(); |
| pb.command("adb", "devices"); |
| Process process = pb.start(); |
| int exitValue = process.waitFor(); |
| if (exitValue != 0) { |
| Log.errorAndQuit("Problem executing ADB - is it in your $PATH?"); |
| } |
| } catch (IOException e) { |
| Log.errorAndQuit("IOException when executing ADB, is it working?"); |
| } catch (InterruptedException e) { |
| Log.errorAndQuit("InterruptedException when executing ADB, is it working?"); |
| } |
| |
| // Check we can run something on ADB. |
| ExecutionResult result = executeCommand("true", true, outputConsumer, errorConsumer); |
| if (result.getFlattenedAll().contains("device not found")) { |
| Log.errorAndQuit("Couldn't connect to specified ADB device: " + deviceName); |
| } |
| |
| outputConsumer.shutdown(); |
| errorConsumer.shutdown(); |
| } else { |
| androidData = checkForEnvVar(envVars, "ANDROID_DATA"); |
| } |
| } |
| |
| /** |
| * Get the name that would be provided to adb -s to communicate specifically with this device. |
| */ |
| public String getName() { |
| assert(!isHost); |
| return deviceName; |
| } |
| |
| public boolean isHost() { |
| return isHost; |
| } |
| |
| /** |
| * Certain AOSP builds of Android may not have a full boot.art built. This will be set if |
| * we use --no-boot-image, and is used by Executors when deciding the arguments for dalvikvm |
| * and dex2oat when performing host-side verification. |
| */ |
| public boolean noBootImageAvailable() { |
| return noBootImage; |
| } |
| |
| /** |
| * Get the command prefix for this device if we want to use adb shell. |
| */ |
| public String getExecutionShellPrefix() { |
| if (isHost) { |
| return ""; |
| } |
| return getExecutionPrefixWithAdb("shell"); |
| } |
| |
| /** |
| * Get any extra flags required to execute ART on the host. |
| */ |
| public String getHostExecutionFlags() { |
| return String.format("-Xnorelocate -Ximage:%s/framework/core.art", androidHostOut); |
| } |
| |
| public String getAndroidHostOut() { |
| return androidHostOut; |
| } |
| |
| public String getAndroidProductOut() { |
| return androidProductOut; |
| } |
| |
| public ExecutionResult executeCommand(String command, boolean captureOutput) { |
| assert(!captureOutput); |
| return executeCommand(command, captureOutput, null, null); |
| } |
| |
| public ExecutionResult executeCommand(String command, boolean captureOutput, |
| StreamConsumer outputConsumer, StreamConsumer errorConsumer) { |
| |
| ExecutionResult result = new ExecutionResult(); |
| |
| Log.info("Executing: " + command); |
| |
| try { |
| ProcessBuilder processBuilder = new ProcessBuilder(command.split(" ")); |
| processBuilder.environment().put("ANDROID_ROOT", androidHostOut); |
| if (Options.executeOnHost) { |
| processBuilder.environment().put("ANDROID_DATA", androidData); |
| } |
| Process process = processBuilder.start(); |
| |
| if (captureOutput) { |
| // Give the streams to the StreamConsumers. |
| outputConsumer.giveStreamAndStartConsuming(process.getInputStream()); |
| errorConsumer.giveStreamAndStartConsuming(process.getErrorStream()); |
| } |
| |
| // Wait until the process is done - the StreamConsumers will keep the |
| // buffers drained, so this shouldn't block indefinitely. |
| // Get the return value as well. |
| result.returnValue = process.waitFor(); |
| |
| Log.info("Return value: " + result.returnValue); |
| |
| if (captureOutput) { |
| // Tell the StreamConsumers to stop consuming, and wait for them to finish |
| // so we know we have all of the output. |
| outputConsumer.processFinished(); |
| errorConsumer.processFinished(); |
| result.output = outputConsumer.getOutput(); |
| result.error = errorConsumer.getOutput(); |
| |
| // Always explicitly indicate the return code in the text output now. |
| // NB: adb shell doesn't actually return exit codes currently, but this will |
| // be useful if/when it does. |
| result.output.add("RETURN CODE: " + result.returnValue); |
| } |
| |
| } catch (IOException e) { |
| Log.errorAndQuit("ExecutionResult.execute() caught an IOException"); |
| } catch (InterruptedException e) { |
| Log.errorAndQuit("ExecutionResult.execute() caught an InterruptedException"); |
| } |
| |
| return result; |
| } |
| |
| private String getExecutionPrefixWithAdb(String command) { |
| if (usingSpecificDevice) { |
| return String.format("adb -s %s %s ", deviceName, command); |
| } else { |
| return String.format("adb %s ", command); |
| } |
| } |
| |
| private String getCacheLocation(Architecture architecture) { |
| String cacheLocation = ""; |
| if (isHost) { |
| cacheLocation = androidData + "/dalvik-cache/" + architecture.asString() + "/"; |
| } else { |
| cacheLocation = "/data/dalvik-cache/" + architecture.asString() + "/"; |
| } |
| return cacheLocation; |
| } |
| |
| private String getOatFileName(String testLocation, String programName) { |
| // Converts e.g. /data/art-test/file.dex to data@art-test@file.dex |
| return (testLocation.replace("/", "@").substring(1) + "@" + programName); |
| } |
| |
| public void cleanCodeCache(Architecture architecture, String testLocation, String programName) { |
| String command = "rm -f " + getCacheLocation(architecture) |
| + getOatFileName(testLocation, programName); |
| executeCommand(command, false); |
| } |
| |
| public void pushProgramToDevice(String programName, String testLocation) { |
| assert(!isHost); |
| if (!programPushed) { |
| executeCommand(getExecutionPrefixWithAdb("push") + programName + " " + testLocation, false); |
| programPushed = true; |
| } |
| } |
| |
| public void resetProgramPushed() { |
| programPushed = false; |
| } |
| } |