blob: 9cbb382d68f3092075cce0ab5a8e14bd48a93a51 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/StringView.h>
#include <Kernel/FileSystem/VirtualFileSystem.h>
#include <Kernel/Process.h>
namespace Kernel {
ErrorOr<FlatPtr> Process::sys$link(Userspace<const Syscall::SC_link_params*> user_params)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
TRY(require_promise(Pledge::cpath));
auto params = TRY(copy_typed_from_user(user_params));
auto old_path = TRY(try_copy_kstring_from_user(params.old_path));
auto new_path = TRY(try_copy_kstring_from_user(params.new_path));
TRY(VirtualFileSystem::the().link(old_path->view(), new_path->view(), current_directory()));
return 0;
}
ErrorOr<FlatPtr> Process::sys$symlink(Userspace<const Syscall::SC_symlink_params*> user_params)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
TRY(require_promise(Pledge::cpath));
auto params = TRY(copy_typed_from_user(user_params));
auto target = TRY(get_syscall_path_argument(params.target));
auto linkpath = TRY(get_syscall_path_argument(params.linkpath));
TRY(VirtualFileSystem::the().symlink(target->view(), linkpath->view(), current_directory()));
return 0;
}
}
|
