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

   1 /*
   2  * Copyright (c) 2013 TRUSTONIC LIMITED
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are met:
   7  *
   8  * 1. Redistributions of source code must retain the above copyright notice,
   9  *    this list of conditions and the following disclaimer.
  10  *
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * 3. Neither the name of the TRUSTONIC LIMITED nor the names of its
  16  *    contributors may be used to endorse or promote products derived from
  17  *    this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
  23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  26  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  28  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  29  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 package com.gd.mobicore.pa.service;
  33
  34 import android.app.Service;
  35 import android.content.Intent;
  36 import android.os.IBinder;
  37 import android.os.Bundle;
  38
  39 import java.util.Random;
  40
  41 import com.gd.mobicore.pa.jni.CommonPAWrapper;
  42 import com.gd.mobicore.pa.ifc.RootPAProvisioningIntents;
  43 import com.gd.mobicore.pa.ifc.RootPADeveloperIfc;
  44 import com.gd.mobicore.pa.ifc.CommandResult;
  45 import com.gd.mobicore.pa.ifc.BooleanResult;
  46 import com.gd.mobicore.pa.ifc.TrustletContainer;
  47 import com.gd.mobicore.pa.ifc.IfcVersion;
  48
  49 public class DeveloperService extends BaseService {
  50
  51     private final RootPADeveloperIfc.Stub mBinder = new ServiceIfc();
  52     private static final int DEVELOPER_UID_FOR_LOCK=0x22220000;
  53     private static final int UUID_LENGTH=16;
  54     private static final int EXTERNAL_MEMORY=2;
  55     private static final int DEFAULT_MEMORY_TYPE=EXTERNAL_MEMORY;
  56     private static final int DEFAULT_NUMBER_OF_INSTANCES=1;
  57     private static final int DEFAULT_FLAGS=0;
  58     private static final byte[] DEFAULT_PUKHASH={0,0,0,0,0,0,0,0,0,0,
  59                                                  0,0,0,0,0,0,0,0,0,0,
  60                                                  0,0,0,0,0,0,0,0,0,0,0,0};
  61     private class ServiceIfc extends RootPADeveloperIfc.Stub {
  62         public ServiceIfc(){
  63             super();
  64         }
  65
  66         // note that these values have to be in line with TltInstallationRequestDataType in rootpa.h
  67         public static final int REQUEST_DATA_TLT=1;
  68         public static final int REQUEST_DATA_KEY=2;
  69
  70
  71         private CommonPAWrapper commonPAWrapper(){
  72             return DeveloperService.this.commonPAWrapper();
  73         }
  74
  75         private boolean uuidOk(byte[] uuid){
  76             if(uuid==null || uuid.length != UUID_LENGTH){
  77                 Log.e(TAG,"DeveloperService.Stub.uuidOk NOK");
  78                 return false;
  79             }
  80             Log.d(TAG,"DeveloperService.Stub.uuidOk OK");
  81             return true;
  82         }
  83
  84         public CommandResult installTrustletOrKey(int spid, byte[] uuid, byte[] trustletBinary, byte[] key, int minTltVersion, byte[] tltPukHash){
  85             Log.d(TAG,">>DeveloperService.Stub.installTrustletOrKey");
  86             if(tltPukHash==null){
  87                 tltPukHash=DEFAULT_PUKHASH;
  88             }
  89
  90             if((trustletBinary == null && key == null) || (trustletBinary != null && key != null) || 0==spid || !uuidOk(uuid) ){
  91                 return new CommandResult(CommandResult.ROOTPA_ERROR_ILLEGAL_ARGUMENT);
  92             }
  93
  94             int tmpSuid=DEVELOPER_UID_FOR_LOCK+new Random().nextInt();
  95
  96             if(!DeveloperService.this.acquireLock(tmpSuid, false).isOk()){
  97                 return new CommandResult(CommandResult.ROOTPA_ERROR_LOCK);
  98             }
  99             doProvisioningLockSuid_=tmpSuid;
 100             int err=0;
 101             byte[] data=null;
 102             int dataType;
 103             try{
 104                 if(trustletBinary != null){
 105                     data=trustletBinary;
 106                     dataType=REQUEST_DATA_TLT;
 107                 }else{
 108                     data=key;
 109                     dataType=REQUEST_DATA_KEY;
 110                 }
 111                 setupProxy();
 112                 err=commonPAWrapper().installTrustlet(spid,
 113                                                       uuid,
 114                                                       dataType,
 115                                                       data,
 116                                                       minTltVersion,
 117                                                       tltPukHash,
 118                                                       DEFAULT_MEMORY_TYPE,
 119                                                       DEFAULT_NUMBER_OF_INSTANCES,
 120                                                       DEFAULT_FLAGS,
 121                                                       se_);
 122             }catch(Exception e){
 123                 Log.e(TAG,"CommonPAWrapper().installTrustletOrKey exception: ", e);
 124                 err=CommandResult.ROOTPA_ERROR_INTERNAL;
 125             }
 126
 127             Log.d(TAG,"<<DeveloperService.Stub.installTrustletOrKey");
 128             return new CommandResult(err);
 129         }
 130
 131         public CommandResult installTrustlet(int spid,
 132                                              byte[] uuid,
 133                                              byte[] trustletBinary,
 134                                              int minTltVersion,
 135                                              byte[] tltPukHash,
 136                                              int memoryType,
 137                                              int numberOfInstances,
 138                                              int flags){
 139             Log.d(TAG,">>DeveloperService.Stub.installTrustlet");
 140             if(tltPukHash==null){
 141                 tltPukHash=DEFAULT_PUKHASH;
 142             }
 143
 144
 145             if(trustletBinary == null || 0==spid || !uuidOk(uuid) || memoryType > EXTERNAL_MEMORY){
 146                 return new CommandResult(CommandResult.ROOTPA_ERROR_ILLEGAL_ARGUMENT);
 147             }
 148
 149             int tmpSuid=DEVELOPER_UID_FOR_LOCK+new Random().nextInt();
 150
 151             if(!DeveloperService.this.acquireLock(tmpSuid, false).isOk()){
 152                 return new CommandResult(CommandResult.ROOTPA_ERROR_LOCK);
 153             }
 154             doProvisioningLockSuid_=tmpSuid;
 155             int err=0;
 156             try{
 157                 setupProxy();
 158                 err=commonPAWrapper().installTrustlet(spid,
 159                                                       uuid,
 160                                                       REQUEST_DATA_TLT,
 161                                                       trustletBinary,
 162                                                       minTltVersion,
 163                                                       tltPukHash,
 164                                                       memoryType,
 165                                                       numberOfInstances,
 166                                                       flags,
 167                                                       se_);
 168             }catch(Exception e){
 169                 Log.e(TAG,"CommonPAWrapper().installTrustlet exception: ", e);
 170                 err=CommandResult.ROOTPA_ERROR_INTERNAL;
 171             }
 172
 173             Log.d(TAG,"<<DeveloperService.Stub.installTrustlet");
 174             return new CommandResult(err);
 175         }
 176     }
 177
 178     @Override
 179     public void onCreate() {
 180         Log.d(TAG,"Hello, DeveloperService onCreate");
 181         super.onCreate();
 182     }
 183
 184     @Override
 185     public void onLowMemory() {
 186         Log.d(TAG,"DeveloperService onLowMemory");
 187         super.onLowMemory();
 188     }
 189
 190     public void onDestroy(){
 191         super.onDestroy();
 192         Log.d(TAG,"DeveloperService being destroyed");
 193     }
 194
 195     @Override
 196     public IBinder onBind(Intent intent){
 197         try{
 198             se_ = intent.getByteArrayExtra("SE");
 199         }catch(Exception e){
 200             Log.i(TAG,"DeveloperService something wrong in the given ip "+e );
 201         }
 202
 203         try{
 204             Log.setLoggingLevel(intent.getIntExtra("LOG",0));
 205         }catch(Exception e){
 206             Log.i(TAG,"DeveloperService something wrong in the given logging level "+e );
 207         }
 208         Log.i(TAG,"DeveloperService binding, IfcVersion: " +IfcVersion.ROOTPA_ANDROID_API_VERSION_MAJOR+"."+IfcVersion.ROOTPA_ANDROID_API_VERSION_MINOR);
 209         if(se_!=null) Log.d(TAG,new String(se_));
 210         return mBinder;
 211
 212     }
 213
 214     @Override
 215     public int  onStartCommand(Intent i, int flags, int startid){
 216         Log.d(TAG,"DeveloperService starting");
 217         return START_STICKY;
 218     }
 219 }
 220
 221