// Copyright 2020 Google LLC

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

#include <stddef.h>

#include <stdint.h>

#include <memory>

#include "tsk/tsk_tools_i.h"

#include "mem_img.h"

#ifndef FSTYPE

#error Define FSTYPE as a valid value of TSK_FS_TYPE_ENUM.

#endif

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {

  IMG_INFO *img = mem_open(data, size);

  if (!img) {

    return 0;

  }

  std::unique_ptr<TSK_FS_INFO, decltype(&tsk_fs_close)> fs{

    tsk_fs_open_img(reinterpret_cast<TSK_IMG_INFO *>(img), 0, FSTYPE),

    tsk_fs_close

  };

  if (fs) {

    tsk_fs_fls(fs.get(), TSK_FS_FLS_FULL, fs->root_inum, TSK_FS_DIR_WALK_FLAG_RECURSE,

               nullptr, 0);

  }

  tsk_img_close((TSK_IMG_INFO*)img);

  return 0;

}