mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 16:22:43 +00:00
1682f0b760
SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
32 lines
1 KiB
C++
32 lines
1 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/StringView.h>
|
|
#include <Kernel/FileSystem/Custody.h>
|
|
#include <Kernel/FileSystem/VirtualFileSystem.h>
|
|
#include <Kernel/Process.h>
|
|
|
|
namespace Kernel {
|
|
|
|
KResultOr<int> Process::sys$chroot(Userspace<const char*> user_path, size_t path_length, int mount_flags)
|
|
{
|
|
if (!is_superuser())
|
|
return EPERM;
|
|
REQUIRE_PROMISE(chroot);
|
|
auto path = get_syscall_path_argument(user_path, path_length);
|
|
if (path.is_error())
|
|
return path.error();
|
|
auto directory_or_error = VFS::the().open_directory(path.value(), current_directory());
|
|
if (directory_or_error.is_error())
|
|
return directory_or_error.error();
|
|
auto directory = directory_or_error.value();
|
|
m_root_directory_relative_to_global_root = directory;
|
|
int chroot_mount_flags = mount_flags == -1 ? directory->mount_flags() : mount_flags;
|
|
set_root_directory(Custody::create(nullptr, "", directory->inode(), chroot_mount_flags));
|
|
return 0;
|
|
}
|
|
|
|
}
|