#include "idl_types.h"

/*
  svcctl interface definitions
*/
[ uuid("367abb81-9844-35f1-ad32-98f038001003"),
  version(2.0),
  pointer_default(unique),
  endpoint("ncacn_np:[\\pipe\\svcctl]", "ncalrpc:"),
  helpstring("Service Control")
]
interface svcctl
{
  typedef bitmap security_secinfo security_secinfo;

  const int MAX_SERVICE_NAME_LENGTH = 256;
  const short SC_MAX_DEPEND_SIZE = 4 * 1024;
  const short SC_MAX_NAME_LENGTH = MAX_SERVICE_NAME_LENGTH + 1;
  const short SC_MAX_PATH_LENGTH = 32 * 1024;
  const short SC_MAX_PWD_SIZE = 514;
  const short SC_MAX_COMPUTER_NAME_LENGTH = 1024;
  const short SC_MAX_ACCOUNT_NAME_LENGTH = 2 * 1024;
  const short SC_MAX_COMMENT_LENGTH = 128;
  const short SC_MAX_ARGUMENT_LENGTH = 1024;
  const short SC_MAX_ARGUMENTS = 1024;

  typedef struct {
    uint32                  is_locked;
    [string,charset(UTF16)] uint16 *lock_owner;
    uint32                  lock_duration;
  } SERVICE_LOCK_STATUS;

  typedef [v1_enum] enum {
    SVCCTL_STOPPED          = 0x00000001,
    SVCCTL_START_PENDING    = 0x00000002,
    SVCCTL_STOP_PENDING     = 0x00000003,
    SVCCTL_RUNNING          = 0x00000004,
    SVCCTL_CONTINUE_PENDING = 0x00000005,
    SVCCTL_PAUSE_PENDING    = 0x00000006,
    SVCCTL_PAUSED           = 0x00000007
  } svcctl_ServiceStatus;

  typedef [v1_enum] enum {
    SERVICE_TYPE_KERNEL_DRIVER       = 0x00000001,
    SERVICE_TYPE_FS_DRIVER           = 0x00000002,
    SERVICE_TYPE_ADAPTER             = 0x00000004,
    SERVICE_TYPE_RECOGNIZER_DRIVER   = 0x00000008,
    SERVICE_TYPE_DRIVER=SERVICE_TYPE_KERNEL_DRIVER|SERVICE_TYPE_FS_DRIVER|SERVICE_TYPE_RECOGNIZER_DRIVER,
    SERVICE_TYPE_WIN32_OWN_PROCESS   = 0x00000010,
    SERVICE_TYPE_WIN32_SHARE_PROCESS = 0x00000020,
    SERVICE_TYPE_USER_OWN_PROCESS    = 0x00000050,
    SERVICE_TYPE_USER_SHARE_PROCESS  = 0x00000060,
    SERVICE_TYPE_WIN32=SERVICE_TYPE_WIN32_OWN_PROCESS|SERVICE_TYPE_WIN32_SHARE_PROCESS,
    SERVICE_TYPE_INTERACTIVE_PROCESS = 0x00000100
  } svcctl_ServiceType;

  const int SVCCTL_ACCEPT_NONE      = 0x00000000;

  typedef [bitmap32bit] bitmap {
    SERVICE_ACCEPT_STOP                  = 0x00000001,
    SERVICE_ACCEPT_PAUSE_CONTINUE        = 0x00000002,
    SERVICE_ACCEPT_SHUTDOWN              = 0x00000004,
    SERVICE_ACCEPT_PARAMCHANGE           = 0x00000008,
    SERVICE_ACCEPT_NETBINDCHANGE         = 0x00000010,
    SERVICE_ACCEPT_HARDWAREPROFILECHANGE = 0x00000020,
    SERVICE_ACCEPT_POWEREVENT            = 0x00000040,
    SERVICE_ACCEPT_SESSIONCHANGE         = 0x00000080,
    SERVICE_ACCEPT_PRESHUTDOWN           = 0x00000100,
    SERVICE_ACCEPT_TIMECHANGE            = 0x00000200,
    SERVICE_ACCEPT_TRIGGEREVENT          = 0x00000400,
    SERVICE_ACCEPT_USERMODEREBOOT        = 0x00000800
  } svcctl_ControlsAccepted;

  typedef struct {
    svcctl_ServiceType type;
    svcctl_ServiceStatus state;
    svcctl_ControlsAccepted controls_accepted;
    WERROR win32_exit_code;
    uint32 service_exit_code;
    uint32 check_point;
    uint32 wait_hint;
  } SERVICE_STATUS;

  typedef [v1_enum] enum {
    SERVICE_RUNS_IN_NONSYSTEM_ORNOTRUNNING = 0x00000000,
    SERVICE_RUNS_IN_SYSTEM_PROCESS          = 0x00000001
  } svcctl_ServiceFlags;

  typedef [public] struct {
    svcctl_ServiceType type;
    svcctl_ServiceStatus state;
    svcctl_ControlsAccepted controls_accepted;
    WERROR win32_exit_code;
    uint32 service_exit_code;
    uint32 check_point;
    uint32 wait_hint;
    uint32 process_id;
    svcctl_ServiceFlags service_flags;
  } SERVICE_STATUS_PROCESS;

  /* ENUM_SERVICE_STATUSW
     https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-scmr/79f17326-c138-4fbc-8170-5c11c4b3ca79
  */
  typedef [public,gensize] struct {
    nstring *service_name;
    nstring *display_name;
    SERVICE_STATUS status;
  } ENUM_SERVICE_STATUSW;

  typedef [public,gensize] struct {
    astring *service_name;
    astring *display_name;
    SERVICE_STATUS status;
  } ENUM_SERVICE_STATUSA;

  /* Service Controls
     https://learn.microsoft.com/en-us/windows/win32/api/winsvc/nf-winsvc-controlservice
     Range 128 to 255 - User-defined control code
  */
  typedef [v1_enum] enum {
    SVCCTL_CONTROL_STOP            = 0x00000001,
    SVCCTL_CONTROL_PAUSE           = 0x00000002,
    SVCCTL_CONTROL_CONTINUE        = 0x00000003,
    SVCCTL_CONTROL_INTERROGATE     = 0x00000004,
    SVCCTL_CONTROL_SHUTDOWN        = 0x00000005,
    SERVICE_CONTROL_PARAMCHANGE    = 0x00000006,
    SERVICE_CONTROL_NETBINDADD     = 0x00000007,
    SERVICE_CONTROL_NETBINDREMOVE  = 0x00000008,
    SERVICE_CONTROL_NETBINDENABLE  = 0x00000009,
    SERVICE_CONTROL_NETBINDDISABLE = 0x0000000A
  } SERVICE_CONTROL;

  typedef [v1_enum] enum {
    SVCCTL_SVC_ERROR_IGNORE    = 0x00000000,
    SVCCTL_SVC_ERROR_NORMAL    = 0x00000001,
    SVCCTL_SVC_ERROR_CRITICAL  = 0x00000002,
    SVCCTL_SVC_ERROR_SEVERE    = 0x00000003
  } svcctl_ErrorControl;

  typedef [v1_enum] enum {
    SVCCTL_BOOT_START    = 0x00000000,
    SVCCTL_SYSTEM_START  = 0x00000001,
    SVCCTL_AUTO_START    = 0x00000002,
    SVCCTL_DEMAND_START  = 0x00000003,
    SVCCTL_DISABLED      = 0x00000004
  } svcctl_StartType;

  typedef [v1_enum] enum {
    SERVICE_STATE_ACTIVE   = 0x00000001,
    SERVICE_STATE_INACTIVE = 0x00000002,
    SERVICE_STATE_ALL  = ( SERVICE_STATE_ACTIVE | SERVICE_STATE_INACTIVE )
  } svcctl_ServiceState;

  /* Service Control Manager Bits */
  typedef [bitmap32bit] bitmap {
    SC_RIGHT_MGR_CONNECT            = 0x00000001,
    SC_RIGHT_MGR_CREATE_SERVICE     = 0x00000002,
    SC_RIGHT_MGR_ENUMERATE_SERVICE  = 0x00000004,
    SC_RIGHT_MGR_LOCK               = 0x00000008,
    SC_RIGHT_MGR_QUERY_LOCK_STATUS  = 0x00000010,
    SC_RIGHT_MGR_MODIFY_BOOT_CONFIG = 0x00000020,
    SC_RIGHT_MGR_ALL_ACCESS         = 0x000F003F
  } svcctl_MgrAccessMask;

  const int SC_MANAGER_READ_ACCESS =
    (SEC_STD_READ_CONTROL           |
     SC_RIGHT_MGR_CONNECT           |
     SC_RIGHT_MGR_ENUMERATE_SERVICE |
     SC_RIGHT_MGR_QUERY_LOCK_STATUS);

  const int SC_MANAGER_EXECUTE_ACCESS = SC_MANAGER_READ_ACCESS;

  const int SC_MANAGER_WRITE_ACCESS =
    (SEC_STD_REQUIRED            |
     SC_MANAGER_READ_ACCESS      |
     SC_RIGHT_MGR_CREATE_SERVICE |
     SC_RIGHT_MGR_LOCK           |
     SC_RIGHT_MGR_MODIFY_BOOT_CONFIG);

  const int SC_MANAGER_ALL_ACCESS = SC_MANAGER_WRITE_ACCESS;


  /* Service Object Bits */
  typedef [bitmap32bit] bitmap {
    SC_RIGHT_SVC_QUERY_CONFIG         = 0x00000001,
    SC_RIGHT_SVC_CHANGE_CONFIG        = 0x00000002,
    SC_RIGHT_SVC_QUERY_STATUS         = 0x00000004,
    SC_RIGHT_SVC_ENUMERATE_DEPENDENTS = 0x00000008,
    SC_RIGHT_SVC_START                = 0x00000010,
    SC_RIGHT_SVC_STOP                 = 0x00000020,
    SC_RIGHT_SVC_PAUSE_CONTINUE       = 0x00000040,
    SC_RIGHT_SVC_INTERROGATE          = 0x00000080,
    SC_RIGHT_SVC_USER_DEFINED_CONTROL = 0x00000100
  } svcctl_ServiceAccessMask;

  const int SERVICE_READ_ACCESS =
    (SEC_STD_READ_CONTROL              |
     SC_RIGHT_SVC_ENUMERATE_DEPENDENTS |
     SC_RIGHT_SVC_INTERROGATE          |
     SC_RIGHT_SVC_QUERY_CONFIG         |
     SC_RIGHT_SVC_QUERY_STATUS         |
     SC_RIGHT_SVC_USER_DEFINED_CONTROL);

  const int SERVICE_EXECUTE_ACCESS =
    (SERVICE_READ_ACCESS |
     SC_RIGHT_SVC_START  |
     SC_RIGHT_SVC_STOP   |
     SC_RIGHT_SVC_PAUSE_CONTINUE);

  const int SERVICE_WRITE_ACCESS =
    (SEC_STD_REQUIRED       |
     SERVICE_READ_ACCESS    |
     SERVICE_EXECUTE_ACCESS |
     SC_RIGHT_SVC_CHANGE_CONFIG);

  const int SERVICE_ALL_ACCESS = SERVICE_WRITE_ACCESS;

  typedef [public,gensize] struct {
    svcctl_ServiceType service_type;
    svcctl_StartType start_type;
    svcctl_ErrorControl error_control;
    [string,charset(UTF16),range(0,8192)] uint16 *executablepath;
    [string,charset(UTF16),range(0,8192)] uint16 *loadordergroup;
    uint32 tag_id;
    [string,charset(UTF16),range(0,8192)] uint16 *dependencies;
    [string,charset(UTF16),range(0,8192)] uint16 *startname;
    [string,charset(UTF16),range(0,8192)] uint16 *displayname;
  } QUERY_SERVICE_CONFIG;

  const int SC_MAX_ARGUMENT_LENGTH = 1024;
  const int SC_MAX_ARGUMENTS = 1024;

  typedef struct {
    [string,charset(UTF16),range(0,SC_MAX_ARGUMENT_LENGTH)] uint16 *string;
  } svcctl_ArgumentString;

  typedef struct {
    [string,charset(ASCII),range(0,SC_MAX_ARGUMENT_LENGTH)] uint8 *string;
  } svcctl_ArgumentStringA;

  typedef [v1_enum] enum {
    SERVICE_CONFIG_DESCRIPTION     = 0x00000001,
    SERVICE_CONFIG_FAILURE_ACTIONS = 0x00000002
  } svcctl_ConfigLevel;

  typedef [v1_enum] enum {
    SVC_STATUS_PROCESS_INFO = 0x00000000
  } svcctl_StatusLevel;

  /*****************/
  /* Function 0x00 */
  WERROR svcctl_CloseServiceHandle(
    [in,out,ref] policy_handle *object_handle
  );

  /*****************/
  /* Function 0x01 */
  WERROR svcctl_ControlService(
    [in,ref]  policy_handle   *service_handle,
    [in]      SERVICE_CONTROL control,
    [out,ref] SERVICE_STATUS  *service_status
  );

  /*****************/
  /* Function 0x02 */
  WERROR svcctl_DeleteService(
    [in,ref] policy_handle *service_handle
  );

  /*****************/
  /* Function 0x03 */
  WERROR svcctl_LockServiceDatabase(
    [in,ref]  policy_handle *scm_handle,
    [out,ref] policy_handle *lock_handle
  );

  /*****************/
  /* Function 0x04 */
  WERROR svcctl_QueryServiceObjectSecurity(
    [in] policy_handle *service_handle,
    [in] security_secinfo security_flags,
    [out,ref,size_is(offered)] uint8 *security_descriptor,
    [in,range(0,0x40000)] uint32 offered,
    [out,ref,range(0,0x40000)] uint32 *bytes_needed
  );

  /*****************/
  /* Function 0x05 */
  WERROR svcctl_SetServiceObjectSecurity(
    [in] policy_handle *service_handle,
    [in] security_secinfo security_flags,
    [in,ref,size_is(offered)] uint8 *security_descriptor,
    [in] uint32 offered
  );

  /*****************/
  /* Function 0x06 */
  WERROR svcctl_QueryServiceStatus(
    [in,ref]  policy_handle  *service_handle,
    [out,ref] SERVICE_STATUS *service_status
  );

  /*****************/
  /* Function 0x07 */
  WERROR svcctl_SetServiceStatus(
    [in,ref] policy_handle *service_handle,
    [in,ref] SERVICE_STATUS *service_status
  );

  /*****************/
  /* Function 0x08 */
  WERROR svcctl_UnlockServiceDatabase(
    [in,out,ref] policy_handle *lock_handle
  );

  /*****************/
  /* Function 0x09 */
  WERROR svcctl_NotifyBootConfigStatus(
    [in, string, unique, charset(UTF16)] uint16 *machine_name,
    [in] boolean32 boot_acceptable
  );

  /*****************/
  /* Internal Function 0x0a */
  WERROR svcctl_SCSetServiceBitsW(
    [in,ref] policy_handle *service_handle,
    [in] uint32 service_bits,
    [in] boolean32 set_bits_on,
    [in] boolean32 update_immediately,
    [in, string, unique, charset(UTF16)] uint16 *lpString
  );

  /*****************/
  /* Function 0x0b */
  WERROR svcctl_ChangeServiceConfigW(
    [in,ref] policy_handle *service_handle,
    [in] svcctl_ServiceType service_type,
    [in] svcctl_StartType start_type,
    [in] svcctl_ErrorControl error_control,
    [in,unique,string,charset(UTF16)] uint16 *binary_path,
    [in,unique,string,charset(UTF16)] uint16 *load_order_group,
    [in,out,unique] uint32 *tag_id,
    [in,unique,size_is(dwDependSize),string,charset(UTF16)] uint16 *dependencies,
    [in,range(0, SC_MAX_DEPEND_SIZE)] uint32 dwDependSize,
    [in,unique,range(0, SC_MAX_ACCOUNT_NAME_LENGTH),string,charset(UTF16)] uint16 *service_start_name,
    [in,unique,size_is(dwPwSize),string,charset(UTF16)] uint16 *password,
    [in,range(0, SC_MAX_PWD_SIZE)] uint32 dwPwSize,
    [in,unique,range(0, SC_MAX_NAME_LENGTH),string,charset(UTF16)] uint16 *display_name
  );

  /*****************/
  /* Function 0x0c */
  WERROR svcctl_CreateServiceW(
    [in,ref] policy_handle *scm_handle,
    [in,string,charset(UTF16)] uint16 ServiceName[],
    [in,unique,string,charset(UTF16)] uint16 *DisplayName,
    [in] uint32 desired_access,
    [in] svcctl_ServiceType service_type,
    [in] svcctl_StartType start_type,
    [in] svcctl_ErrorControl error_control,
    [in,string,charset(UTF16)] uint16 binary_path[],
    [in,unique,string,charset(UTF16)] uint16 *LoadOrderGroup,
    [in,out,unique] uint32 *tag_id,
    [in,unique,size_is(dependencies_size)] uint8 *dependencies,
    [in] uint32 dependencies_size,
    [in,unique,string,charset(UTF16)] uint16 *service_start_name,
    [in,unique,size_is(password_size)] uint8 *password,
    [in] uint32 password_size,
    [out,ref] policy_handle *service_handle
  );

  /*****************/
  /* Function 0x0d */
  WERROR svcctl_EnumDependentServicesW(
    [in,ref] policy_handle *service_handle,
    [in] svcctl_ServiceState service_state,
    [out,ref,size_is(offered)] ENUM_SERVICE_STATUSW *service_status,
    [in,range(0,0x40000)] uint32 offered,
    [out,ref,range(0,0x40000)] uint32 *bytesneeded,
    [out,ref,range(0,0x40000)] uint32 *services_returned
  );

  /*****************/
  /* Function 0x0e */
  WERROR svcctl_EnumServicesStatusW(
    [in,ref] policy_handle *scm_handle,
    [in] svcctl_ServiceType service_type,
    [in] svcctl_ServiceState service_state,
    [out,ref,size_is(offered)] uint8 *services,
    [in,range(0,0x40000)] uint32 offered,
    [out,ref,range(0,0x40000)] uint32 *bytes_needed,
    [out,ref,range(0,0x40000)] uint32 *services_returned,
    [in,out,unique] uint32 *resume_index
  );

  /*****************/
  /* Function 0x0f */
  WERROR svcctl_OpenSCManagerW(
    [in,unique,string,charset(UTF16)] uint16 *MachineName,
    [in,unique,string,charset(UTF16)] uint16 *DatabaseName,
    [in] svcctl_MgrAccessMask access_mask,
    [out,ref] policy_handle *scm_handle
  );

  /*****************/
  /* Function 0x10 */
  WERROR svcctl_OpenServiceW(
    [in,ref] policy_handle *scm_handle,
    [in,string,charset(UTF16)] uint16 ServiceName[],
    [in] svcctl_ServiceAccessMask access_mask,
    [out,ref] policy_handle *service_handle
  );

  /*****************/
  /* Function 0x11 */
  WERROR svcctl_QueryServiceConfigW(
    [in,ref] policy_handle *service_handle,
    [out] QUERY_SERVICE_CONFIG *service_config,
    [in,range(0,8192)] uint32 offered,
    [out,ref,range(0,8192)] uint32 *needed
  );

  /*****************/
  /* Function 0x12 */
  WERROR svcctl_QueryServiceLockStatusW(
    [in,ref] policy_handle *scm_handle,
    [out,ref] SERVICE_LOCK_STATUS *lock_status,
    [in] uint32 offered,
    [out,ref] uint32 *needed
  );

  /*****************/
  /* Function 0x13 */
  WERROR svcctl_StartServiceW(
    [in,ref] policy_handle *service_handle,
    [in,range(0,SC_MAX_ARGUMENTS)] uint32 NumArgs,
    [in,unique,size_is(NumArgs)] svcctl_ArgumentString *Arguments
  );

  /*****************/
  /* Function 0x14 */
  WERROR svcctl_GetServiceDisplayNameW(
    [in,ref] policy_handle *scm_handle,
    [in,unique,string,charset(UTF16)] uint16 *service_name,
    [out,ref,string,charset(UTF16)] uint16 **display_name,
    [in,out,unique] uint32 *display_name_length
  );

  /*****************/
  /* Function 0x15 */
  WERROR svcctl_GetServiceKeyNameW(
    [in,ref] policy_handle *scm_handle,
    [in,unique,string,charset(UTF16)] uint16 *display_name,
    [out,ref,string,charset(UTF16)] uint16 **service_name,
    [in,out,unique] uint32 *service_name_length
  );

  /*****************/
  /* Function 0x16 */
  WERROR svcctl_SCSetServiceBitsA(
    [in,ref] policy_handle *handle,
    [in] uint32 service_bits,
    [in] boolean32 set_bits_on,
    [in] boolean32 update_immediately,
    [in, string, unique, charset(UTF16)] uint16 *lpString
  );

  /*****************/
  /* Function 0x17 */
  WERROR svcctl_ChangeServiceConfigA(
    [in,ref] policy_handle *service_handle,
    [in] svcctl_ServiceType service_type,
    [in] svcctl_StartType start_type,
    [in] svcctl_ErrorControl error_control,
    [in,unique] astring *binary_path,
    [in,unique] astring *load_order_group,
    [in,out,unique] uint32 *tag_id,
    [in,unique] astring *dependencies,
    [in,unique] astring *service_start_name,
    [in,unique] astring *password,
    [in,unique] astring *display_name
  );

  /*****************/
  /* Function 0x18 */
  WERROR svcctl_CreateServiceA(
    [in,ref] policy_handle *scm_handle,
    [in,string,charset(ASCII)] uint8 ServiceName[],
    [in,unique,string,charset(ASCII)] uint8 *DisplayName,
    [in] uint32 desired_access,
    [in] svcctl_ServiceType service_type,
    [in] svcctl_StartType start_type,
    [in] svcctl_ErrorControl error_control,
    [in,string,charset(ASCII)] uint8 binary_path[],
    [in,unique,string,charset(ASCII)] uint8 *LoadOrderGroupKey,
    [in,out,unique] uint32 *tag_id,
    [in,unique,size_is(dependencies_size)] astring *dependencies,
    [in] uint32 dependencies_size,
    [in,string,unique,charset(ASCII)] uint8 *service_start_name,
    [in,unique,size_is(password_size)] uint8 *password,
    [in] uint32 password_size,
    [out,ref] policy_handle *service_handle
  );

  /*****************/
  /* Function 0x19 */
  WERROR svcctl_EnumDependentServicesA(
    [in,ref] policy_handle *service_handle,
    [in] svcctl_ServiceState state,
    [out,ref] ENUM_SERVICE_STATUSA *service_status,
    [in] uint32 offered,
    [out,ref] uint32 *needed,
    [out,ref] uint32 *services_returned
  );

  /*****************/
  /* Function 0x1a */
  WERROR svcctl_EnumServicesStatusA(
    [in,ref] policy_handle *scm_handle,
    [in] svcctl_ServiceType service_type,
    [in] svcctl_ServiceState service_state,
    [in] uint32 offered,
    [out,size_is(offered)] uint8 service[*],
    [out,ref] uint32 *needed,
    [out,ref] uint32 *services_returned,
    [in,out,unique] uint32 *resume_handle
  );

  /*****************/
  /* Function 0x1b */
  WERROR svcctl_OpenSCManagerA(
    [in,unique,string,charset(ASCII)] uint8 *MachineName,
    [in,unique,string,charset(ASCII)] uint8 *DatabaseName,
    [in] svcctl_MgrAccessMask access_mask,
    [out,ref] policy_handle *scm_handle
  );

  /*****************/
  /* Function 0x1c */
  WERROR svcctl_OpenServiceA(
    [in,ref] policy_handle *scm_handle,
    [in,string,charset(ASCII)] uint8 ServiceName[],
    [in] svcctl_MgrAccessMask access_mask,
    [out,ref] policy_handle *service_handle
  );

  /*****************/
  /* Function 0x1d */
  WERROR svcctl_QueryServiceConfigA(
    [in,ref] policy_handle *service_handle,
    [out, size_is(cbBufSize)] uint8 query[], /* TODO: QUERYU_SERVICE_CONFIG */
    [in] uint32 offered,
    [out,ref] uint32 *needed
  );

  /*****************/
  /* Function 0x1e */
  WERROR svcctl_QueryServiceLockStatusA(
    [in,ref] policy_handle *scm_handle,
    [out,ref] SERVICE_LOCK_STATUS *lock_status,
    [in] uint32 offered,
    [out,ref] uint32 *needed
  );

  /*****************/
  /* Function 0x1f */
  WERROR svcctl_StartServiceA(
    [in,ref] policy_handle *service_handle,
    [in] uint32 NumArgs,
    [in,unique,size_is(NumArgs)] svcctl_ArgumentStringA *Arguments
  );

  /*****************/
  /* Function 0x20 */
  WERROR svcctl_GetServiceDisplayNameA(
    [in,ref] policy_handle *handle,
    [in,unique] astring *service_name,
    [out,ref,string,charset(ASCII)] uint8 **display_name,
    [in,out,unique] uint32 *display_name_length
  );

  /*****************/
  /* Function 0x21 */
  WERROR svcctl_GetServiceKeyNameA(
    [in,ref] policy_handle *scm_handle,
    [in,unique] astring *service_name,
    [out,ref,string,charset(ASCII)] uint8 **key_name,
    [in,out,unique] uint32 *display_name_length
  );

  /*****************/
  /* Function 0x22 */
  WERROR svcctl_GetCurrentGroupeStateW(
    [in,ref] policy_handle *handle,
    [in, string, unique, charset(UTF16)] uint16 *lpLoadOrderGroup,
    [out,ref] uint32 *state
  );

  /*****************/
  /* Function 0x23 */
  WERROR svcctl_EnumServiceGroupW(
     [in] policy_handle  *scm_handle,
     [in] svcctl_ServiceType service_type,
     [in] svcctl_ServiceState service_state,
     [out, size_is(cbBufSize)] uint8 lpBuffer[],
     [in, range(0, 1024 * 256)] uint32  cbBufSize,
     [out,range(0, 1024 * 256)] uint32  *pcbBytesNeeded,
     [out,range(0, 1024 * 256)] uint32  *lpServicesReturned,
     [in,out,unique] uint32  *ResumeIndex,
     [in,string,unique,range(0, SC_MAX_NAME_LENGTH),charset(UTF16)] uint16 *pszGroupName
  );

  /*****************/
  /* Function 0x24 */
  WERROR svcctl_ChangeServiceConfig2A(
    [in,ref] policy_handle *service_handle,
    [in] uint32 info_level,
    [in,unique] uint8 *info /* TODO */
  );

  /*****************/
  /* Function 0x25 */
  WERROR svcctl_ChangeServiceConfig2W(
    [in,ref] policy_handle *handle,
    [in] uint32 info_level,
    [in,unique] uint8 *info /* TODO */
  );

  /*****************/
  /* Function 0x26 */
  WERROR svcctl_QueryServiceConfig2A(
    [in,ref] policy_handle *handle,
    [in] svcctl_ConfigLevel info_level,
    [out, size_is(offered)] uint8 buffer[], /* TODO */
    [in] uint32 offered,
    [out,ref] uint32 *needed
  );

  /*****************/
  /* Function 0x27 */
  WERROR svcctl_QueryServiceConfig2W(
    [in,ref] policy_handle *handle,
    [in] svcctl_ConfigLevel info_level,
    [out,ref,size_is(offered)] uint8 *buffer, /* TODO */
    [in,range(0,8192)] uint32 offered,
    [out,ref,range(0,8192)] uint32 *needed
  );

  /*****************/
  /* Function 0x28 */
  WERROR svcctl_QueryServiceStatusEx(
    [in,ref] policy_handle *handle,
    [in] svcctl_StatusLevel info_level,
    [out,ref,size_is(offered)] uint8 *buffer, /* TODO */
    [in,range(0,8192)] uint32 offered,
    [out,ref,range(0,8192)] uint32 *needed
  );

  /*****************/
  /* Function 0x29 */
  WERROR EnumServicesStatusExA(
    [in,ref] policy_handle *scm_handle,
    [in] uint32 info_level, /* TODO */
    [in] svcctl_ServiceType service_type,
    [in] svcctl_ServiceState state,
    [out, size_is(offered)] uint8 services[],
    [in] uint32 offered,
    [out,ref] uint32 *needed,
    [out,ref] uint32 *service_returned,
    [in,out,unique] uint32 *resume_handle,
    [out,ref,string,charset(UTF16)] uint16 **group_name
  );

  /*****************/
  /* Function 0x2a */
  WERROR EnumServicesStatusExW(
    [in,ref] policy_handle *scmanager,
    [in] uint32 info_level, /* TODO */
    [in] svcctl_ServiceType service_type,
    [in] svcctl_ServiceState state,
    [out,ref,size_is(offered)] uint8 *services,
    [in,range(0,0x40000)] uint32 offered,
    [out,ref,range(0,0x40000)] uint32 *needed,
    [out,ref,range(0,0x40000)] uint32 *service_returned,
    [in,out,unique,range(0,0x40000)] uint32 *resume_handle,
    [in,unique,string,charset(UTF16)] uint16 *group_name
  );

  /*****************/
  /* Function 0x2b */
  [todo] WERROR svcctl_ScBroadcastServiceControlMessage(
  );

  /*****************/
  /* Function 0x2c */
  WERROR svcctl_CreateServiceWOW64A(
    [in,ref] policy_handle *scm_handle,
    [in,string,charset(ASCII)] uint8 ServiceName[],
    [in,unique,string,charset(ASCII)] uint8 *DisplayName,
    [in] uint32 desired_access,
    [in] svcctl_ServiceType service_type,
    [in] svcctl_StartType start_type,
    [in] svcctl_ErrorControl error_control,
    [in,string,charset(ASCII)] uint8 binary_path[],
    [in,unique,string,charset(ASCII)] uint8 *LoadOrderGroupKey,
    [in,out,unique] uint32 *tag_id,
    [in,unique,size_is(dependencies_size)] astring *dependencies,
    [in] uint32 dependencies_size,
    [in,unique,string,charset(ASCII)] uint8 *service_start_name,
    [in,unique,size_is(password_size)] uint8 *password,
    [in] uint32 password_size,
    [out,ref] policy_handle *handle
  );

  /*****************/
  /* Function 0x2d */
  WERROR svcctl_CreateServiceWOW64W(
    [in,ref] policy_handle *scm_handle,
    [in,string,charset(UTF16)] uint16 ServiceName[],
    [in,unique,string,charset(UTF16)] uint16 *DisplayName,
    [in] uint32 desired_access,
    [in] svcctl_ServiceType service_type,
    [in] svcctl_StartType start_type,
    [in] svcctl_ErrorControl error_control,
    [in,string,charset(UTF16)] uint16 binary_path[],
    [in,unique,string,charset(UTF16)] uint16 *LoadOrderGroupKey,
    [in,out,unique] uint32 *tag_id,
    [in,unique,size_is(dependencies_size)] uint8 *dependencies,
    [in] uint32 dependencies_size,
    [in,unique,string,charset(UTF16)] uint16 *service_start_name,
    [in,unique,size_is(password_size)] uint8 *password,
    [in] uint32 password_size,
    [out,ref] policy_handle *handle
  );

  /*****************/
  /* Function 0x2e */
  [todo] WERROR svcctl_ScQueryServiceTagInfo(
  );

  /*****************/
  /* Function 0x2f */
  [todo] WERROR svcctl_NotifyServiceStatusChange(
  );

  /*****************/
  /* Function 0x30 */
  [todo] WERROR svcctl_GetNotifyResults(
  );

  /*****************/
  /* Function 0x31 */
  [todo] WERROR svcctl_CloseNotifyHandle(
  );

  /*****************/
  /* Function 0x32 */
  [todo] WERROR svcctl_ControlServiceExA(
  );

  /*****************/
  /* Function 0x33 */
  [todo] WERROR svcctl_ControlServiceExW(
  );

  /*****************/
  /* Function 0x34 */
  [todo] WERROR svcctl_ScSendPnPMessage(
  );

  /*****************/
  /* Function 0x35 */
  [todo] WERROR svcctl_ScValidatePnPService(
  );

  /*****************/
  /* Function 0x36 */
  [todo] WERROR svcctl_ScOpenServiceStatusHandle(
  );

  /*****************/
  /* Function 0x37 */
  [todo] WERROR svcctl_ScQueryServiceConfig(
  );

  /*****************/
  /* Function 0x38 */
  WERROR svcctl_QueryServiceConfigEx(
    [in,ref] policy_handle *service_handle,
    [in] uint32 info_level
    /*[out]   SC_RPC_CONFIG_INFOW  *pInfo - TODO */
  );

  /*****************/
  /* Function 0x39 */
  [todo] WERROR svcctl_ScRegisterPreshutdownRestart(
  );

  /*****************/
  /* Function 0x3a */
  [todo] WERROR svcctl_ScReparseServiceDatabase(
  );

  /*****************/
  /* Function 0x3b */
  [todo] WERROR svcctl_QueryUserServiceName(
  );

  /*****************/
  /* Function 0x3c */
  WERROR svcctl_CreateWowService(
    [in,ref] policy_handle *scm_handle,
    [in,string,charset(UTF16)] uint16 ServiceName[],
    [in,unique,string,charset(UTF16)] uint16 *DisplayName,
    [in] uint32 desired_access,
    [in] uint32 service_type,
    [in] svcctl_StartType start_type,
    [in] svcctl_ErrorControl error_control,
    [in,string,charset(UTF16)] uint16 binary_path[],
    [in,unique,string,charset(UTF16)] uint16 *LoadOrderGroupKey,
    [in,out,unique] uint32 *tag_id,
    [in,unique,size_is(dependencies_size)] uint8 *dependencies,
    [in] uint32 dependencies_size,
    [in,unique,string,charset(UTF16)] uint16 *service_start_name,
    [in,unique,size_is(password_size)] uint8 *password,
    [in] uint32 password_size,
    [in] uint16 service_wow_type,
    [out,ref] policy_handle *handle
  );

  /*****************/
  /* Function 0x3d */
  [todo] WERROR svcctl_GetServiceRegistryStateKey(
  );

  /*****************/
  /* Function 0x3e */
  [todo] WERROR svcctl_GetServiceDirectory(
  );

  /*****************/
  /* Function 0x3f */
  [todo] WERROR svcctl_GetServiceProcessToken(
  );

  /*****************/
  /* Function 0x40 */

  /* https://learn.microsoft.com/en-us/windows/win32/midl/handle-t
   * Parameters of type handle_t (primitive handle parameters) are not transmitted on the network.
   */
  WERROR svcctl_OpenSCManager2(
    /*[in,ref] handle_t *binding_handle,*/
    [in,string,unique,charset(UTF16)] uint16 *database_name,
    [in] uint32 desired_access,
    [out,ref] policy_handle *handle
  );

  /*****************/
  /* Function 0x41 */
  [todo] WERROR svcctl_GetSharedServiceRegistryStateKey(
  );

  /*****************/
  /* Function 0x42 */
  [todo] WERROR svcctl_GetSharedServiceDirectory(
  );
}