commit cea338dab26ad4df684f0eb5c7789ea8363a95cf Author: Nathan Freitas nathan@freitas.net Date: Tue Aug 20 13:26:04 2013 -0400
add new Root utility for checking if root is possible --- src/org/torproject/android/service/Root.java | 107 ++++++++++++++++++++++++++ 1 file changed, 107 insertions(+)
diff --git a/src/org/torproject/android/service/Root.java b/src/org/torproject/android/service/Root.java new file mode 100644 index 0000000..d41b48c --- /dev/null +++ b/src/org/torproject/android/service/Root.java @@ -0,0 +1,107 @@ +package org.torproject.android.service; + +import java.io.BufferedReader; +import java.io.BufferedWriter; +import java.io.File; +import java.io.InputStreamReader; +import java.io.OutputStreamWriter; +import java.util.ArrayList; + +import org.torproject.android.service.ExecShell.SHELL_CMD; + +import android.util.Log; + +/** + * @author Kevin Kowalewski + * + */ +public class Root { + + private static String LOG_TAG = Root.class.getName(); + + public boolean isDeviceRooted() { + if (checkRootMethod1()){return true;} + if (checkRootMethod2()){return true;} + if (checkRootMethod3()){return true;} + return false; + } + + public boolean checkRootMethod1(){ + String buildTags = android.os.Build.TAGS; + + if (buildTags != null && buildTags.contains("test-keys")) { + return true; + } + return false; + } + + public boolean checkRootMethod2(){ + try { + File file = new File("/system/app/Superuser.apk"); + if (file.exists()) { + return true; + } + } catch (Exception e) { } + + return false; + } + + public boolean checkRootMethod3() { + if (new ExecShell().executeCommand(SHELL_CMD.check_su_binary) != null){ + return true; + }else{ + return false; + } + } +} + + +/** + * @author Kevin Kowalewski + * + */ +class ExecShell { + + private static String LOG_TAG = ExecShell.class.getName(); + + public static enum SHELL_CMD { + check_su_binary(new String[] {"/system/xbin/which","su"}), + ; + + String[] command; + + SHELL_CMD(String[] command){ + this.command = command; + } + } + + public ArrayList<String> executeCommand(SHELL_CMD shellCmd){ + String line = null; + ArrayList<String> fullResponse = new ArrayList<String>(); + Process localProcess = null; + + try { + localProcess = Runtime.getRuntime().exec(shellCmd.command); + } catch (Exception e) { + return null; + //e.printStackTrace(); + } + + BufferedWriter out = new BufferedWriter(new OutputStreamWriter(localProcess.getOutputStream())); + BufferedReader in = new BufferedReader(new InputStreamReader(localProcess.getInputStream())); + + try { + while ((line = in.readLine()) != null) { + Log.d(LOG_TAG, "--> Line received: " + line); + fullResponse.add(line); + } + } catch (Exception e) { + e.printStackTrace(); + } + + Log.d(LOG_TAG, "--> Full response was: " + fullResponse); + + return fullResponse; + } + +} \ No newline at end of file