shims/libbauthtzcommon/libbauthtzcommon.c

   1 /*
   2  * Copyright (C) 2017 The LineageOS Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #define LOG_TAG "libbauthtzcommon_shim"
  18 #define LOG_NDEBUG 0
  19
  20 #include <cutils/log.h>
  21
  22 int BAuth_Hat_OP(int arg0, int arg1, int arg2, int arg3, int arg4, int arg5)
  23 {
  24     ALOGW("SHIM: hijacking %s!", __func__);
  25
  26     /*
  27      * This function is supposed to pass the hardware authentication token
  28      * (HAT) to the mobicore trustlet.
  29      */
  30
  31     return 0;
  32 }