mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-26 01:20:25 +00:00
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/RefPtr.h>
|
|
#include <Kernel/FileSystem/Custody.h>
|
|
#include <Kernel/FileSystem/OpenFileDescription.h>
|
|
#include <Kernel/Library/NonnullLockRefPtrVector.h>
|
|
#include <Kernel/Process.h>
|
|
|
|
namespace Kernel {
|
|
|
|
ErrorOr<FlatPtr> Process::sys$fchown(int fd, UserID uid, GroupID gid)
|
|
{
|
|
VERIFY_NO_PROCESS_BIG_LOCK(this);
|
|
TRY(require_promise(Pledge::chown));
|
|
auto description = TRY(open_file_description(fd));
|
|
TRY(description->chown(credentials(), uid, gid));
|
|
return 0;
|
|
}
|
|
|
|
ErrorOr<FlatPtr> Process::sys$chown(Userspace<Syscall::SC_chown_params const*> user_params)
|
|
{
|
|
VERIFY_NO_PROCESS_BIG_LOCK(this);
|
|
TRY(require_promise(Pledge::chown));
|
|
auto params = TRY(copy_typed_from_user(user_params));
|
|
auto path = TRY(get_syscall_path_argument(params.path));
|
|
|
|
RefPtr<Custody> base;
|
|
if (params.dirfd == AT_FDCWD) {
|
|
base = current_directory();
|
|
} else {
|
|
auto base_description = TRY(open_file_description(params.dirfd));
|
|
if (!base_description->custody())
|
|
return EINVAL;
|
|
base = base_description->custody();
|
|
}
|
|
|
|
TRY(VirtualFileSystem::the().chown(credentials(), path->view(), params.uid, params.gid, *base, params.follow_symlinks ? 0 : O_NOFOLLOW_NOERROR));
|
|
return 0;
|
|
}
|
|
|
|
}
|