//
//  vm_unaligned_copy_switch_race.h
//  AltStore
//
//  Created by June P on 2023/11/28.
//  Copyright © 2023 SideStore. All rights reserved.
//

#ifndef vm_unaligned_copy_switch_race_h
#define vm_unaligned_copy_switch_race_h

#include <stdlib.h>
#include <stdbool.h>
/// Uses CVE-2022-46689 to overwrite `overwrite_length` bytes of `file_to_overwrite` with `overwrite_data`, starting from `file_offset`.
/// `file_to_overwrite` should be a file descriptor opened with O_RDONLY.
/// `overwrite_length` must be less than or equal to `PAGE_SIZE`.
/// Returns `true` if the overwrite succeeded, and `false` if the device is not vulnerable.
bool unaligned_copy_switch_race(int file_to_overwrite, off_t file_offset, const void* overwrite_data, size_t overwrite_length);

#endif /* vm_unaligned_copy_switch_race_h */