path: root/librpc/idl/svcctl.idl

#include "idl_types.h"

/*
  svcctl interface definitions
*/

import "misc.idl", "security.idl";
[ uuid("367abb81-9844-35f1-ad32-98f038001003"),
  version(2.0),
  pointer_default(unique),
  endpoint("ncacn_np:[\\pipe\\svcctl]", "ncalrpc:"),
  helper("../librpc/ndr/ndr_svcctl.h"),
  helpstring("Service Control")
] interface svcctl
{
	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_STATE_UNKNOWN		= 0x00000000,	/* only used internally to smbd */
		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;

	const int SVCCTL_ACCEPT_NONE			= 0x00000000;

	typedef [bitmap32bit] bitmap {
		SVCCTL_ACCEPT_STOP			= 0x00000001,
		SVCCTL_ACCEPT_PAUSE_CONTINUE		= 0x00000002,
		SVCCTL_ACCEPT_SHUTDOWN			= 0x00000004,
		SVCCTL_ACCEPT_PARAMCHANGE		= 0x00000008,
		SVCCTL_ACCEPT_NETBINDCHANGE		= 0x00000010,
		SVCCTL_ACCEPT_HARDWAREPROFILECHANGE	= 0x00000020,
		SVCCTL_ACCEPT_POWEREVENT		= 0x00000040
	} svcctl_ControlsAccepted;

	typedef struct {
		uint32 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 [public] struct {
		SERVICE_STATUS status;
		uint32 process_id;
		uint32 service_flags;
	} SERVICE_STATUS_PROCESS;

	typedef [public,gensize] struct {
		[relative] nstring *service_name;
		[relative] nstring *display_name;
		SERVICE_STATUS status;
	} ENUM_SERVICE_STATUSW;

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

	const int SERVICE_TYPE_KERNEL_DRIVER       = 0x01;
	const int SERVICE_TYPE_FS_DRIVER           = 0x02;
	const int SERVICE_TYPE_ADAPTER             = 0x04;
	const int SERVICE_TYPE_RECOGNIZER_DRIVER   = 0x08;
	const int SERVICE_TYPE_DRIVER=SERVICE_TYPE_KERNEL_DRIVER|SERVICE_TYPE_FS_DRIVER|SERVICE_TYPE_RECOGNIZER_DRIVER;
	const int SERVICE_TYPE_WIN32_OWN_PROCESS   = 0x10;
	const int SERVICE_TYPE_WIN32_SHARE_PROCESS = 0x20;
	const int SERVICE_TYPE_WIN32=SERVICE_TYPE_WIN32_OWN_PROCESS|SERVICE_TYPE_WIN32_SHARE_PROCESS;
	const int SERVICE_TYPE_INTERACTIVE_PROCESS = 0x100;

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

	/*****************/
	/* Function 0x01 */

	/* Service Controls */

	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;

	WERROR svcctl_ControlService(
		[in,ref] policy_handle *handle,
		[in] SERVICE_CONTROL control,
		[out,ref] SERVICE_STATUS *service_status
	);

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

	/*****************/
	/* Function 0x03 */

	WERROR svcctl_LockServiceDatabase(
		[in,ref] policy_handle *handle,
		[out,ref] policy_handle *lock
	);

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

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

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

	/*****************/
	/* Function 0x07 */
	[todo] WERROR svcctl_SetServiceStatus(
	);

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

	/*****************/
	/* Function 0x09 */
	[todo] WERROR svcctl_NotifyBootConfigStatus(
	);

	/*****************/
	/* Function 0x0a */
	WERROR svcctl_SCSetServiceBitsW(
		[in,ref] policy_handle *handle,
		[in] uint32 bits,
		[in] boolean32 bitson,
		[in] boolean32 immediate
	);

	/*****************/
	/* Function 0x0b */

	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;

	[public] WERROR svcctl_ChangeServiceConfigW(
		[in,ref] policy_handle *handle,
		[in] uint32 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 *scmanager_handle,
		[in] [string,charset(UTF16)] uint16 ServiceName[],
		[in,unique] [string,charset(UTF16)] uint16 *DisplayName,
		[in] uint32 desired_access,
		[in] uint32 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 *TagId,
		[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 0x0d */
	WERROR svcctl_EnumDependentServicesW(
		[in,ref] policy_handle *service,
		[in] svcctl_ServiceState state,
		[out,ref,size_is(offered)] uint8 *service_status,
		[in,range(0,0x40000)] uint32 offered,
		[out,ref,range(0,0x40000)] uint32 *needed,
		[out,ref,range(0,0x40000)] uint32 *services_returned
	);

	/*****************/
	/* Function 0x0e */

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

	WERROR svcctl_EnumServicesStatusW(
		[in,ref] policy_handle *handle,
		[in] uint32 type,
		[in] svcctl_ServiceState state,
		[out,ref,size_is(offered)] uint8 *service,
		[in] [range(0,0x40000)] uint32 offered,
		[out,ref] [range(0,0x40000)] uint32 *needed,
		[out,ref] [range(0,0x40000)] uint32 *services_returned,
		[in,out,unique] uint32 *resume_handle
	);

	/*****************/
	/* Function 0x0f */

	/* Service Control Manager Bits */

	typedef [bitmap32bit] bitmap {
		SC_RIGHT_MGR_CONNECT		= 0x0001,
		SC_RIGHT_MGR_CREATE_SERVICE	= 0x0002,
		SC_RIGHT_MGR_ENUMERATE_SERVICE	= 0x0004,
		SC_RIGHT_MGR_LOCK		= 0x0008,
		SC_RIGHT_MGR_QUERY_LOCK_STATUS	= 0x0010,
		SC_RIGHT_MGR_MODIFY_BOOT_CONFIG	= 0x0020
	} 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;

	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 *handle
	);

	/*****************/
	/* Function 0x10 */

	/* Service Object Bits */

	typedef [bitmap32bit] bitmap {
		SC_RIGHT_SVC_QUERY_CONFIG		= 0x0001,
		SC_RIGHT_SVC_CHANGE_CONFIG		= 0x0002,
		SC_RIGHT_SVC_QUERY_STATUS		= 0x0004,
		SC_RIGHT_SVC_ENUMERATE_DEPENDENTS	= 0x0008,
		SC_RIGHT_SVC_START			= 0x0010,
		SC_RIGHT_SVC_STOP			= 0x0020,
		SC_RIGHT_SVC_PAUSE_CONTINUE		= 0x0040,
		SC_RIGHT_SVC_INTERROGATE		= 0x0080,
		SC_RIGHT_SVC_USER_DEFINED_CONTROL	= 0x0100
	} 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;

	WERROR svcctl_OpenServiceW(
		[in,ref] policy_handle *scmanager_handle,
		[in] [string,charset(UTF16)] uint16 ServiceName[],
		[in] svcctl_ServiceAccessMask access_mask,
		[out,ref] policy_handle *handle
	);

	/*****************/
	/* Function 0x11 */

	typedef [public,gensize] struct {
		uint32 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;

	WERROR svcctl_QueryServiceConfigW(
		[in,ref] policy_handle *handle,
		[out] QUERY_SERVICE_CONFIG *query,
		[in] [range(0,8192)] uint32 offered,
		[out,ref] [range(0,8192)] uint32 *needed
	);

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

	/*****************/
	/* Function 0x13 */

	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;

	WERROR svcctl_StartServiceW(
		[in,ref] policy_handle *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 *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 *handle,
		[in,unique] [string,charset(UTF16)] uint16 *service_name,
		[out,ref] [string,charset(UTF16)] uint16 **key_name,
		[in,out,unique] uint32 *display_name_length
	);

	/*****************/
	/* Function 0x16 */
	WERROR svcctl_SCSetServiceBitsA(
		[in,ref] policy_handle *handle,
		[in] uint32 bits,
		[in] boolean32 bitson,
		[in] boolean32 immediate
	);

	/*****************/
	/* Function 0x17 */
	WERROR svcctl_ChangeServiceConfigA(
		[in,ref] policy_handle *handle,
		[in] uint32 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,
		[out,ref] uint32 *tag_id,
		[in,unique] [string,charset(UTF16)] uint16 *dependencies,
		[in,unique] [string,charset(UTF16)] uint16 *service_start_name,
		[in,unique] [string,charset(UTF16)] uint16 *password,
		[in,unique] [string,charset(UTF16)] uint16 *display_name
	);

	/*****************/
	/* Function 0x18 */
	WERROR svcctl_CreateServiceA(
		[in,ref] policy_handle *handle,
		[in,unique] [string,charset(UTF16)] uint16 *ServiceName,
		[in,unique] [string,charset(UTF16)] uint16 *DisplayName,
		[in] uint32 desired_access,
		[in] uint32 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 *LoadOrderGroupKey,
		[out,unique] uint32 *TagId,
		[in,unique] [string,charset(UTF16)] uint16 *dependencies,
		[in,unique] [string,charset(UTF16)] uint16 *service_start_name,
		[in,unique] [string,charset(UTF16)] uint16 *password
	);

	/*****************/
	/* Function 0x19 */
	WERROR svcctl_EnumDependentServicesA(
		[in,ref] policy_handle *service,
		[in] svcctl_ServiceState state,
		[out,unique] 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 *handle,
		[in] uint32 type,
		[in] svcctl_ServiceState 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(UTF16)] uint16 *MachineName,
		[in,unique] [string,charset(UTF16)] uint16 *DatabaseName,
		[in] uint32 access_mask,
		[out,ref] policy_handle *handle
	);

	/*****************/
	/* Function 0x1c */
	WERROR svcctl_OpenServiceA(
		[in,ref] policy_handle *scmanager_handle,
		[in,unique] [string,charset(UTF16)] uint16 *ServiceName,
		[in] uint32 access_mask,
		[out,ref] policy_handle *handle
	);

	/*****************/
	/* Function 0x1d */
	WERROR svcctl_QueryServiceConfigA(
		[in,ref] policy_handle *handle,
		[out] uint8 query[offered], /*QUERYU_SERVICE_CONFIG */
		[in] uint32 offered,
		[out,ref] uint32 *needed
	);

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

	/*****************/
	/* Function 0x1f */
	WERROR svcctl_StartServiceA(
		[in,ref] policy_handle *handle,
		[in] uint32 NumArgs,
		[in,unique/*FIXME:,length_is(NumArgs)*/] [string,charset(UTF16)] uint16 *Arguments
	);

	/*****************/
	/* Function 0x20 */
	WERROR svcctl_GetServiceDisplayNameA(
		[in,ref] policy_handle *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 0x21 */
	WERROR svcctl_GetServiceKeyNameA(
		[in,ref] policy_handle *handle,
		[in,unique] [string,charset(UTF16)] uint16 *service_name,
		[out,ref] [string,charset(UTF16)] uint16 **key_name,
		[in,out,unique] uint32 *display_name_length
	);

	/*****************/
	/* Function 0x22 */
	[todo] WERROR svcctl_GetCurrentGroupeStateW(
	);

	/*****************/
	/* Function 0x23 */
	[todo] WERROR svcctl_EnumServiceGroupW(
	);

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

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

	/*****************/
	/* Function 0x26 */

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

	typedef [gensize,public] struct {
		[relative] nstring *description;
	} SERVICE_DESCRIPTION;

	typedef [v1_enum] enum {
		SC_ACTION_NONE		= 0,
		SC_ACTION_RESTART	= 1,
		SC_ACTION_REBOOT	= 2,
		SC_ACTION_RUN_COMMAND	= 3
	} SC_ACTION_TYPE;

	typedef struct {
		SC_ACTION_TYPE type;
		uint32 delay;
	} SC_ACTION;

	typedef [public,gensize] struct {
		uint32 reset_period;
		[relative] nstring *rebootmsg;
		[relative] nstring *command;
		[range(0,1024)] uint32 num_actions;
		[relative] [size_is(num_actions)] SC_ACTION *actions;
	} SERVICE_FAILURE_ACTIONS;

	WERROR svcctl_QueryServiceConfig2A(
		[in,ref] policy_handle *handle,
		[in] svcctl_ConfigLevel info_level,
		[out] uint8 buffer[offered],
		[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,
		[in] [range(0,8192)] uint32 offered,
		[out,ref] [range(0,8192)] uint32 *needed
	);

	/*****************/
	/* Function 0x28 */

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

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

	/*****************/
	/* Function 0x29 */
	WERROR EnumServicesStatusExA(
		[in,ref] policy_handle *scmanager,
		[in] uint32 info_level,
		[in] uint32 type,
		[in] svcctl_ServiceState state,
		[out] uint8 services[offered],
		[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,
		[in] uint32 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_SCSendTSMessage(
	);
}