rootpa/Code/Android/app/src/com/gd/mobicore/pa/service/OemService.java

/*
Copyright  © Trustonic Limited 2013

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, 
are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice, this 
     list of conditions and the following disclaimer.

  2. Redistributions in binary form must reproduce the above copyright notice, 
     this list of conditions and the following disclaimer in the documentation 
     and/or other materials provided with the distribution.

  3. Neither the name of the Trustonic Limited nor the names of its contributors 
     may be used to endorse or promote products derived from this software 
     without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package com.gd.mobicore.pa.service;

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.os.Bundle;

import java.util.Random;

import com.gd.mobicore.pa.jni.CommonPAWrapper;
import com.gd.mobicore.pa.ifc.RootPAProvisioningIntents;
import com.gd.mobicore.pa.ifc.RootPADeveloperIfc;
import com.gd.mobicore.pa.ifc.RootPAOemIfc;
import com.gd.mobicore.pa.ifc.CommandResult;
import com.gd.mobicore.pa.ifc.BooleanResult;
import com.gd.mobicore.pa.ifc.TrustletContainer;
import com.gd.mobicore.pa.ifc.IfcVersion;

public class OemService extends BaseService {
    private static final String TAG = "RootPA-J";

    private final RootPAOemIfc.Stub mBinder = new ServiceIfc();
    private static final int OEM_UID_FOR_LOCK=0x33330000;
    
    private class ServiceIfc extends RootPAOemIfc.Stub {
        public ServiceIfc(){
            super();
        }

        private CommonPAWrapper commonPAWrapper(){
            return OemService.this.commonPAWrapper();
        }
        
        public CommandResult unregisterRootContainer(){
            Log.d(TAG,">>RootPAServiceIfc.Stub.unregisterRootContainer"); 

            int tmpSuid=OEM_UID_FOR_LOCK+new Random().nextInt(); // this may override the uid used in lock, which means it will not be
            
            if(!OemService.this.acquireLock(tmpSuid, false).isOk()){
                return new CommandResult(CommandResult.ROOTPA_ERROR_LOCK);
            }

            doProvisioningLockSuid_=tmpSuid;
            Log.d(TAG,"RootPAServiceIfc.Stub.unregisterRootContainer calling JNI");
            
            int ret=CommandResult.ROOTPA_OK;

            try{
                setupProxy();
            	ret=commonPAWrapper().unregisterRootContainer(se_);
            }catch(Exception e){
                Log.e(TAG,"CommonPAWrapper().unregisterRootContainer exception: ", e);
                ret=CommandResult.ROOTPA_ERROR_INTERNAL;
            }
                                    
            CommandResult res=OemService.this.releaseLock(doProvisioningLockSuid_, false);
            if(!res.isOk()){
                Log.e(TAG,"releasing lock failed, res: "+res.result());
                // this return code is not returned to the client since
                // the command may have succeeded and there is just something wrong with the lock
                // we leave it the the next command if the problem remains
            }                    
          
            Log.d(TAG,"<<RootPAServiceIfc.Stub.unregisterRootContainer"); 
            return new CommandResult(ret);
        }
                
    }
    
    @Override
    public void onCreate() {
        Log.d(TAG,"Hello, OemService onCreate");
        super.onCreate();
    }

    @Override
    public void onLowMemory() {
        Log.d(TAG,"OemService onLowMemory");
        super.onLowMemory();    
    }

    public void onDestroy(){
        super.onDestroy();        
        Log.d(TAG,"OemService being destroyed");
    }
    
    @Override
    public IBinder onBind(Intent intent){
        try{
            se_ = intent.getByteArrayExtra("SE");
        }catch(Exception e){
            Log.i(TAG,"OemService something wrong in the given ip "+e );
        }

        try{        
            Log.setLoggingLevel(intent.getIntExtra("LOG",0));
        }catch(Exception e){
            Log.i(TAG,"OemService something wrong in the given logging level "+e );
        }
        Log.i(TAG,"OemService binding, IfcVersion: " +IfcVersion.ROOTPA_ANDROID_API_VERSION_MAJOR+"."+IfcVersion.ROOTPA_ANDROID_API_VERSION_MINOR);
        if(se_!=null) Log.d(TAG,new String(se_));
        return mBinder;
    }

    @Override
    public int  onStartCommand(Intent i, int flags, int startid){
        Log.d(TAG,"OemService starting");
        return START_STICKY; 
    }    
}