/*

 * The Sleuth Kit

 *

 * Brian Carrier [carrier <at> sleuthkit [dot] org]

 * Copyright (c) 2019-2020 Brian Carrier.  All Rights reserved

 * Copyright (c) 2018-2019 BlackBag Technologies.  All Rights reserved

 *

 * This software is distributed under the Common Public License 1.0

 */

#include "tsk/libtsk.h"

#include "apfs_compat.hpp"

#include "tsk/img/pool.hpp"

#include "tsk_fs_i.h"

TSK_FS_INFO* apfs_open_auto_detect(

  TSK_IMG_INFO * img_info,

  [[maybe_unused]] TSK_OFF_T offset,

  TSK_FS_TYPE_ENUM fstype,

  const char* a_pass,

  [[maybe_unused]] uint8_t test)

{

    return apfs_open(img_info, offset, fstype, a_pass);

}

TSK_FS_INFO* apfs_open(

  TSK_IMG_INFO * img_info,

  [[maybe_unused]] TSK_OFF_T offset,

  TSK_FS_TYPE_ENUM fstype,

  const char* pass)

{

  tsk_error_reset();

  if (img_info->itype != TSK_IMG_TYPE_POOL) {

      tsk_error_reset();

      tsk_error_set_errno(TSK_ERR_FS_ARG);

      tsk_error_set_errstr("tsk_apfs_open: Not a pool image");

      return nullptr;

  }

  IMG_POOL_INFO *pool_img = (IMG_POOL_INFO*)img_info;

  if (pool_img->pool_info == nullptr) {

    tsk_error_reset();

    tsk_error_set_errno(TSK_ERR_FS_ARG);

    tsk_error_set_errstr("tsk_apfs_open: Null pool_info");

    return nullptr;

  }

  if (fstype != TSK_FS_TYPE_APFS) {

    tsk_error_reset();

    tsk_error_set_errno(TSK_ERR_FS_ARG);

    tsk_error_set_errstr("tsk_apfs_open: invalid fstype");

    return nullptr;

  }

  try {

    auto fs = new APFSFSCompat(img_info, pool_img->pool_info, pool_img->pvol_block, pass);

    return &fs->fs_info();

  } catch (std::runtime_error& e) {

    tsk_error_set_errno(TSK_ERR_FS_GENFS);

    tsk_error_set_errstr("tsk_apfs_open: %s", e.what());

    return nullptr;

  }

}