mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-22 19:07:20 +03:00
62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/Devices/HID/HIDManagement.h>
|
|
#include <Kernel/Process.h>
|
|
|
|
namespace Kernel {
|
|
|
|
constexpr size_t map_name_max_size = 50;
|
|
|
|
KResultOr<FlatPtr> Process::sys$setkeymap(Userspace<const Syscall::SC_setkeymap_params*> user_params)
|
|
{
|
|
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
|
|
REQUIRE_PROMISE(setkeymap);
|
|
|
|
if (!is_superuser())
|
|
return EPERM;
|
|
|
|
auto params = TRY(copy_typed_from_user(user_params));
|
|
|
|
Keyboard::CharacterMapData character_map_data;
|
|
|
|
TRY(copy_n_from_user(character_map_data.map, params.map, CHAR_MAP_SIZE));
|
|
TRY(copy_n_from_user(character_map_data.shift_map, params.shift_map, CHAR_MAP_SIZE));
|
|
TRY(copy_n_from_user(character_map_data.alt_map, params.alt_map, CHAR_MAP_SIZE));
|
|
TRY(copy_n_from_user(character_map_data.altgr_map, params.altgr_map, CHAR_MAP_SIZE));
|
|
TRY(copy_n_from_user(character_map_data.shift_altgr_map, params.shift_altgr_map, CHAR_MAP_SIZE));
|
|
|
|
auto map_name = TRY(get_syscall_path_argument(params.map_name));
|
|
if (map_name->length() > map_name_max_size)
|
|
return ENAMETOOLONG;
|
|
|
|
HIDManagement::the().set_maps(character_map_data, map_name->view());
|
|
return 0;
|
|
}
|
|
|
|
KResultOr<FlatPtr> Process::sys$getkeymap(Userspace<const Syscall::SC_getkeymap_params*> user_params)
|
|
{
|
|
VERIFY_NO_PROCESS_BIG_LOCK(this);
|
|
REQUIRE_PROMISE(getkeymap);
|
|
auto params = TRY(copy_typed_from_user(user_params));
|
|
|
|
String keymap_name = HIDManagement::the().keymap_name();
|
|
const Keyboard::CharacterMapData& character_maps = HIDManagement::the().character_maps();
|
|
|
|
TRY(copy_to_user(params.map, character_maps.map, CHAR_MAP_SIZE * sizeof(u32)));
|
|
TRY(copy_to_user(params.shift_map, character_maps.shift_map, CHAR_MAP_SIZE * sizeof(u32)));
|
|
TRY(copy_to_user(params.alt_map, character_maps.alt_map, CHAR_MAP_SIZE * sizeof(u32)));
|
|
TRY(copy_to_user(params.altgr_map, character_maps.altgr_map, CHAR_MAP_SIZE * sizeof(u32)));
|
|
TRY(copy_to_user(params.shift_altgr_map, character_maps.shift_altgr_map, CHAR_MAP_SIZE * sizeof(u32)));
|
|
|
|
if (params.map_name.size < keymap_name.length())
|
|
return ENAMETOOLONG;
|
|
TRY(copy_to_user(params.map_name.data, keymap_name.characters(), keymap_name.length()));
|
|
return KSuccess;
|
|
}
|
|
|
|
}
|