src/microfuchsia/tee/ta/read_props/read_props.cc

// Copyright 2024 The Fuchsia Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <lib/tee_internal_api/tee_internal_api.h>

#include <filesystem>

#include "src/lib/files/file.h"

#define CMD_TEST_PROPS_EXIST 0

TEE_Result test_properties_file_exists() {
  if (!files::IsFile("/pkg/data/ta_properties")) {
    return TEE_ERROR_GENERIC;
  }

  return TEE_SUCCESS;
}

TEE_Result TA_CreateEntryPoint() { return TEE_SUCCESS; }

void TA_DestroyEntryPoint() {}

TEE_Result TA_OpenSessionEntryPoint(uint32_t paramTypes,
                                    /* inout */ TEE_Param params[4],
                                    /* out */ /* ctx */ void** sessionContext) {
  return TEE_SUCCESS;
}

void TA_CloseSessionEntryPoint(
    /* ctx */ void* sessionContext) {}

TEE_Result TA_InvokeCommandEntryPoint(
    /* ctx */ void* sessionContext, uint32_t commandID, uint32_t paramTypes,
    /* inout */ TEE_Param params[4]) {
  switch (commandID) {
    case CMD_TEST_PROPS_EXIST:
      return test_properties_file_exists();
    default:
      return TEE_SUCCESS;
  }
  return TEE_SUCCESS;
}