ladybird/Kernel/Syscalls/chown.cpp
2021-07-11 00:25:24 +02:00

33 lines
907 B
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/FileSystem/FileDescription.h>
#include <Kernel/Process.h>
namespace Kernel {
KResultOr<FlatPtr> Process::sys$fchown(int fd, uid_t uid, gid_t gid)
{
REQUIRE_PROMISE(chown);
auto description = fds().file_description(fd);
if (!description)
return EBADF;
return description->chown(uid, gid);
}
KResultOr<FlatPtr> Process::sys$chown(Userspace<const Syscall::SC_chown_params*> user_params)
{
REQUIRE_PROMISE(chown);
Syscall::SC_chown_params params;
if (!copy_from_user(&params, user_params))
return EFAULT;
auto path = get_syscall_path_argument(params.path);
if (path.is_error())
return path.error();
return VirtualFileSystem::the().chown(path.value()->view(), params.uid, params.gid, current_directory());
}
}