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