add new Root utility for checking if root is possible

This commit is contained in:
Nathan Freitas 2013-08-20 13:26:04 -04:00
parent 82fcea0dab
commit cea338dab2
1 changed files with 107 additions and 0 deletions

View File

@ -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;
}
}