/*
 * svcctl interface definitions - exported by services.exe to access the
 * services database
 *
 * Copyright 2007 Google (Mikolaj Zalewski)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

import "wtypes.idl";

/*
 * some defined for the C code
 */
cpp_quote("#include \"winsvc.h\"")
cpp_quote("#define SVCCTL_TRANSPORT {'n','c','a','c','n','_','n','p',0}")
cpp_quote("#define SVCCTL_TRANSPORTA \"ncacn_np\"")
cpp_quote("#define SVCCTL_ENDPOINT {'\\\\','p','i','p','e','\\\\','s','v','c','c','t','l',0}")
cpp_quote("#define SVCCTL_ENDPOINTA \"\\\\pipe\\\\svcctl\"")

/* Not the Windows event name - if needed the true one can be found in Inside Windows */
cpp_quote("#define SVCCTL_STARTED_EVENT {'_','_','w','i','n','e','_','S','v','c','c','t','l','S','t','a','r','t','e','d',0}")

/* Service startup protocol over control pipe - not compatible with Windows */
cpp_quote("#define SERVICE_PROTOCOL_MAGIC 0x57494e45")
cpp_quote("#define SERVICE_CONTROL_START 0")
cpp_quote("#define SERVICE_CONTROL_FORWARD_FLAG 0x80000000")

typedef struct service_start_info_t
{
    DWORD                     magic;      /* protocol magic */
    DWORD                     total_size; /* total request size */
    DWORD                     name_size;  /* size of name in data buffer */
    DWORD                     control;    /* control code */
    BYTE                      data[1];
} service_start_info;

[
    uuid(367abb81-9844-35f1-ad32-98f038001003),
    version(2.0),
    pointer_default(unique),
    endpoint("ncacn_np:[\\pipe\\svcctl]")
]
interface svcctl
{
    /* handle types */
    typedef [handle] LPCWSTR MACHINE_HANDLEW;
    typedef [handle] LPCSTR  MACHINE_HANDLEA;
    typedef [handle] LPCWSTR SVCCTL_HANDLEW;
    typedef [context_handle] void *SC_RPC_HANDLE;
    typedef [context_handle] void *SC_RPC_LOCK;
    typedef [context_handle] void *SC_NOTIFY_RPC_HANDLE;

    /* undocumented access rights */
    cpp_quote("#define SERVICE_SET_STATUS   0x8000")

cpp_quote("#if 0 /* already defined in winsvc.h / winnt.h */")

typedef DWORD SECURITY_INFORMATION;

typedef struct _QUERY_SERVICE_CONFIGA {
    DWORD   dwServiceType;
    DWORD   dwStartType;
    DWORD   dwErrorControl;
    LPSTR   lpBinaryPathName;
    LPSTR   lpLoadOrderGroup;
    DWORD   dwTagId;
    LPSTR   lpDependencies;
    LPSTR   lpServiceStartName;
    LPSTR   lpDisplayName;
} QUERY_SERVICE_CONFIGA, *LPQUERY_SERVICE_CONFIGA;

typedef struct _QUERY_SERVICE_CONFIGW {
    DWORD   dwServiceType;
    DWORD   dwStartType;
    DWORD   dwErrorControl;
    [unique] LPWSTR  lpBinaryPathName;
    [unique] LPWSTR  lpLoadOrderGroup;
    DWORD   dwTagId;
    [unique] LPWSTR  lpDependencies;
    [unique] LPWSTR  lpServiceStartName;
    [unique] LPWSTR  lpDisplayName;
} QUERY_SERVICE_CONFIGW, *LPQUERY_SERVICE_CONFIGW;

typedef struct _SERVICE_STATUS {
  DWORD dwServiceType;
  DWORD dwCurrentState;
  DWORD dwControlsAccepted;
  DWORD dwWin32ExitCode;
  DWORD dwServiceSpecificExitCode;
  DWORD dwCheckPoint;
  DWORD dwWaitHint;
} SERVICE_STATUS, *LPSERVICE_STATUS;

typedef enum _SC_STATUS_TYPE {
  SC_STATUS_PROCESS_INFO      = 0
} SC_STATUS_TYPE;

typedef struct _SERVICE_DESCRIPTIONA {
    LPSTR lpDescription;
} SERVICE_DESCRIPTIONA,*LPSERVICE_DESCRIPTIONA;

typedef struct _SERVICE_DESCRIPTIONW {
    LPWSTR lpDescription;
} SERVICE_DESCRIPTIONW,*LPSERVICE_DESCRIPTIONW;

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

typedef struct _SC_ACTION {
    SC_ACTION_TYPE  Type;
    DWORD       Delay;
} SC_ACTION,*LPSC_ACTION;

typedef struct _SERVICE_FAILURE_ACTIONSA {
    DWORD dwResetPeriod;
    [unique] LPSTR lpRebootMsg;
    [unique] LPSTR lpCommand;
    DWORD cActions;
    [size_is(cActions)] SC_ACTION *lpsaActions;
} SERVICE_FAILURE_ACTIONSA,*LPSERVICE_FAILURE_ACTIONSA;

typedef struct _SERVICE_FAILURE_ACTIONSW {
    DWORD dwResetPeriod;
    [unique] LPWSTR lpRebootMsg;
    [unique] LPWSTR lpCommand;
    DWORD cActions;
    [size_is(cActions)] SC_ACTION *lpsaActions;
} SERVICE_FAILURE_ACTIONSW,*LPSERVICE_FAILURE_ACTIONSW;

typedef struct _SERVICE_DELAYED_AUTO_START_INFO {
    BOOL fDelayedAutostart;
} SERVICE_DELAYED_AUTO_START_INFO;

typedef struct _SERVICE_FAILURE_ACTIONS_FLAG {
    BOOL fFailureActionsOnNonCrashFailures;
} SERVICE_FAILURE_ACTIONS_FLAG;

typedef struct _SERVICE_SID_INFO {
    DWORD dwServiceSidType;
} SERVICE_SID_INFO;

typedef struct _SERVICE_PRESHUTDOWN_INFO {
    DWORD dwPreshutdownTimeout;
} SERVICE_PRESHUTDOWN_INFO,*LPSERVICE_PRESHUTDOWN_INFO;

#define SERVICE_CONFIG_DESCRIPTION              1
#define SERVICE_CONFIG_FAILURE_ACTIONS          2
#define SERVICE_CONFIG_DELAYED_AUTO_START_INFO  3
#define SERVICE_CONFIG_FAILURE_ACTIONS_FLAG     4
#define SERVICE_CONFIG_SERVICE_SID_INFO         5
#define SERVICE_CONFIG_REQUIRED_PRIVILEGES_INFO 6
#define SERVICE_CONFIG_PRESHUTDOWN_INFO         7

#define SERVICE_NOTIFY_STATUS_CHANGE_1          1
#define SERVICE_NOTIFY_STATUS_CHANGE_2          2

typedef struct _ENUM_SERVICE_STATUSW {
    LPWSTR          lpServiceName;
    LPWSTR          lpDisplayName;
    SERVICE_STATUS  ServiceStatus;
} ENUM_SERVICE_STATUSW, *LPENUM_SERVICE_STATUSW;

typedef struct _QUERY_SERVICE_LOCK_STATUSA
{
    DWORD fIsLocked;
    LPSTR lpLockOwner;
    DWORD dwLockDuration;
} QUERY_SERVICE_LOCK_STATUSA, *LPQUERY_SERVICE_LOCK_STATUSA;

typedef struct _QUERY_SERVICE_LOCK_STATUSW
{
    DWORD fIsLocked;
    LPWSTR lpLockOwner;
    DWORD dwLockDuration;
} QUERY_SERVICE_LOCK_STATUSW, *LPQUERY_SERVICE_LOCK_STATUSW;

typedef struct _SERVICE_STATUS_PROCESS
{
    DWORD dwServiceType;
    DWORD dwCurrentState;
    DWORD dwControlsAccepted;
    DWORD dwWin32ExitCode;
    DWORD dwServiceSpecificExitCode;
    DWORD dwCheckPoint;
    DWORD dwWaitHint;
    DWORD dwProcessId;
    DWORD dwServiceFlags;
} SERVICE_STATUS_PROCESS, *LPSERVICE_STATUS_PROCESS;

typedef enum _SC_ENUM_TYPE {
    SC_ENUM_PROCESS_INFO      = 0
} SC_ENUM_TYPE;

cpp_quote("#endif")

typedef struct _SERVICE_RPC_REQUIRED_PRIVILEGES_INFO {
    DWORD cbRequiredPrivileges;
    [size_is(cbRequiredPrivileges)] BYTE *pRequiredPrivileges;
} SERVICE_RPC_REQUIRED_PRIVILEGES_INFO;

typedef struct _SC_RPC_CONFIG_INFOW {
    DWORD dwInfoLevel;
    [switch_is(dwInfoLevel)] union {
        [case(SERVICE_CONFIG_DESCRIPTION)] SERVICE_DESCRIPTIONW *descr;
        [case(SERVICE_CONFIG_FAILURE_ACTIONS)] SERVICE_FAILURE_ACTIONSW *actions;
        [case(SERVICE_CONFIG_DELAYED_AUTO_START_INFO)] SERVICE_DELAYED_AUTO_START_INFO *delayedstart;
        [case(SERVICE_CONFIG_FAILURE_ACTIONS_FLAG)] SERVICE_FAILURE_ACTIONS_FLAG *actionsflag;
        [case(SERVICE_CONFIG_SERVICE_SID_INFO)] SERVICE_SID_INFO *sid;
        [case(SERVICE_CONFIG_REQUIRED_PRIVILEGES_INFO)] SERVICE_RPC_REQUIRED_PRIVILEGES_INFO *privinfo;
        [case(SERVICE_CONFIG_PRESHUTDOWN_INFO)] SERVICE_PRESHUTDOWN_INFO *preshutdown;
    };
} SC_RPC_CONFIG_INFOW;

typedef struct _SC_RPC_CONFIG_INFOA {
    DWORD dwInfoLevel;
    [switch_is(dwInfoLevel)] union {
        [case(SERVICE_CONFIG_DESCRIPTION)] SERVICE_DESCRIPTIONA *descr;
        [case(SERVICE_CONFIG_FAILURE_ACTIONS)] SERVICE_FAILURE_ACTIONSA *actions;
        [case(SERVICE_CONFIG_DELAYED_AUTO_START_INFO)] SERVICE_DELAYED_AUTO_START_INFO *delayedstart;
        [case(SERVICE_CONFIG_FAILURE_ACTIONS_FLAG)] SERVICE_FAILURE_ACTIONS_FLAG *actionsflag;
        [case(SERVICE_CONFIG_SERVICE_SID_INFO)] SERVICE_SID_INFO *sid;
        [case(SERVICE_CONFIG_REQUIRED_PRIVILEGES_INFO)] SERVICE_RPC_REQUIRED_PRIVILEGES_INFO *privinfo;
        [case(SERVICE_CONFIG_PRESHUTDOWN_INFO)] SERVICE_PRESHUTDOWN_INFO *preshutdown;
    };
} SC_RPC_CONFIG_INFOA;

typedef struct _SERVICE_NOTIFY_STATUS_CHANGE_PARAMS_1 {
    ULONGLONG ullThreadId;
    DWORD dwNotifyMask;
    UCHAR CallbackAddressArray[16];
    UCHAR CallbackParamAddressArray[16];
    SERVICE_STATUS_PROCESS ServiceStatus;
    DWORD dwNotificationStatus;
    DWORD dwSequence;
} SERVICE_NOTIFY_STATUS_CHANGE_PARAMS_1, *PSERVICE_NOTIFY_STATUS_CHANGE_PARAMS_1;

typedef struct _SERVICE_NOTIFY_STATUS_CHANGE_PARAMS_2 {
    ULONGLONG ullThreadId;
    DWORD dwNotifyMask;
    UCHAR CallbackAddressArray[16];
    UCHAR CallbackParamAddressArray[16];
    SERVICE_STATUS_PROCESS ServiceStatus;
    DWORD dwNotificationStatus;
    DWORD dwSequence;
    DWORD dwNotificationTriggered;
    [string] LPWSTR pszServiceNames;
} SERVICE_NOTIFY_STATUS_CHANGE_PARAMS_2, *PSERVICE_NOTIFY_STATUS_CHANGE_PARAMS_2;

typedef struct _SC_RPC_NOTIFY_PARAMS {
    DWORD dwInfoLevel;
    [switch_is(dwInfoLevel)] union {
        [case(SERVICE_NOTIFY_STATUS_CHANGE_1)] SERVICE_NOTIFY_STATUS_CHANGE_PARAMS_1 *params1;
        [case(SERVICE_NOTIFY_STATUS_CHANGE_2)] SERVICE_NOTIFY_STATUS_CHANGE_PARAMS_2 *params;
    };
} SC_RPC_NOTIFY_PARAMS;

typedef struct _SC_RPC_NOTIFY_PARAMS_LIST {
    DWORD cElements;
    [size_is(cElements)] SC_RPC_NOTIFY_PARAMS NotifyParamsArray[];
} SC_RPC_NOTIFY_PARAMS_LIST, *PSC_RPC_NOTIFY_PARAMS_LIST;

typedef struct _SERVICE_CONTROL_STATUS_REASON_IN_PARAMSA {
    DWORD dwReason;
    [string] LPSTR pszComment;
} SERVICE_CONTROL_STATUS_REASON_IN_PARAMSA, *PSERVICE_CONTROL_STATUS_REASON_IN_PARAMSA;

typedef struct _SERVICE_CONTROL_STATUS_REASON_IN_PARAMSW {
    DWORD dwReason;
    [string] LPWSTR pszComment;
} SERVICE_CONTROL_STATUS_REASON_IN_PARAMSW, *PSERVICE_CONTROL_STATUS_REASON_IN_PARAMSW;

typedef [switch_type(DWORD)] union _SC_RPC_SERVICE_CONTROL_IN_PARAMSA {
    [case(1)] PSERVICE_CONTROL_STATUS_REASON_IN_PARAMSA psrInParams;
} SC_RPC_SERVICE_CONTROL_IN_PARAMSA, *PSC_RPC_SERVICE_CONTROL_IN_PARAMSA;

typedef [switch_type(DWORD)] union _SC_RPC_SERVICE_CONTROL_IN_PARAMSW {
    [case(1)] PSERVICE_CONTROL_STATUS_REASON_IN_PARAMSW psrInParams;
} SC_RPC_SERVICE_CONTROL_IN_PARAMSW, *PSC_RPC_SERVICE_CONTROL_IN_PARAMSW;

typedef struct _SERVICE_CONTROL_STATUS_REASON_OUT_PARAMS {
    SERVICE_STATUS_PROCESS ServiceStatus;
} SERVICE_CONTROL_STATUS_REASON_OUT_PARAMS, *PSERVICE_CONTROL_STATUS_REASON_OUT_PARAMS;

typedef [switch_type(DWORD)] union _SC_RPC_SERVICE_CONTROL_OUT_PARAMSA {
    [case(1)] PSERVICE_CONTROL_STATUS_REASON_OUT_PARAMS psrOutParams;
} SC_RPC_SERVICE_CONTROL_OUT_PARAMSA, *PSC_RPC_SERVICE_CONTROL_OUT_PARAMSA;

typedef [switch_type(DWORD)] union _SC_RPC_SERVICE_CONTROL_OUT_PARAMSW {
    [case(1)] PSERVICE_CONTROL_STATUS_REASON_OUT_PARAMS psrOutParams;
} SC_RPC_SERVICE_CONTROL_OUT_PARAMSW, *PSC_RPC_SERVICE_CONTROL_OUT_PARAMSW;

    /* Function 0 */
    DWORD svcctl_CloseServiceHandle(
        [in,out] SC_RPC_HANDLE *handle
    );

    /* Function 1 */
    DWORD svcctl_ControlService(
        [in] SC_RPC_HANDLE hService,
        [in] DWORD dwControl,
        [out] SERVICE_STATUS *lpServiceStatus
    );

    /* Function 2 */
    DWORD svcctl_DeleteService(
        [in] SC_RPC_HANDLE hService
    );

    /* Function 3 */
    DWORD svcctl_LockServiceDatabase(
        [in] SC_RPC_HANDLE hSCManager,
        [out] SC_RPC_LOCK *phLock
    );

    /* Function 4 */
    DWORD svcctl_QueryServiceObjectSecurity(
        [in] SC_RPC_HANDLE service,
        [in] SECURITY_INFORMATION info,
        [out, size_is(buf_size)] BYTE *descriptor,
        [in] DWORD buf_size,
        [out] DWORD *needed_size
    );

    /* Function 5 */
    DWORD svcctl_SetServiceObjectSecurity(
        [in] SC_RPC_HANDLE service,
        [in] SECURITY_INFORMATION info,
        [in, size_is(buf_size)] BYTE *descriptor,
        [in] DWORD buf_size
    );

    /* Function 6 */
    DWORD svcctl_QueryServiceStatus(
        [in] SC_RPC_HANDLE service,
        [out] SERVICE_STATUS *status
    );

    /* Function 7 */
    DWORD svcctl_SetServiceStatus(
        [in] SC_RPC_HANDLE hServiceStatus,
        [in] LPSERVICE_STATUS lpServiceStatus
    );

    /* Function 8 */
    DWORD svcctl_UnlockServiceDatabase(
        [in,out] SC_RPC_LOCK *phLock
    );

    /* Function 9 */
    DWORD svcctl_NotifyBootConfigStatus(
        [in, string, unique] SVCCTL_HANDLEW machinename,
        [in] DWORD boot_acceptable
    );

    /* Not compatible with Windows function 10 */
    DWORD svcctl_SCSetServiceBitsW(/* FIXME */);

    /* Function 11 */
    DWORD svcctl_ChangeServiceConfigW(
        [in] SC_RPC_HANDLE hService,
        [in] DWORD dwServiceType,
        [in] DWORD dwStartType,
        [in] DWORD dwErrorControl,
        [in,unique] LPCWSTR lpBinaryPathName,
        [in,unique] LPCWSTR lpLoadOrderGroupKey,
        [in,out,unique] DWORD *lpdwTagId,
        [in,unique,size_is(dwDependenciesSize)] const BYTE *lpDependencies,
        [in] DWORD dwDependenciesSize,
        [in,unique] LPCWSTR lpServiceStartName,
        [in,unique,size_is(dwPasswordSize)] const BYTE *lpPassword,
        [in] DWORD dwPasswordSize,
        [in,unique] LPCWSTR lpDisplayName
    );

    /* Function 12 */
    DWORD svcctl_CreateServiceW(
        [in] SC_RPC_HANDLE hSCManager,
        [in] LPCWSTR lpServiceName,
        [in,unique] LPCWSTR lpDisplayName,
        [in] DWORD dwDesiredAccess,
        [in] DWORD dwServiceType,
        [in] DWORD dwStartType,
        [in] DWORD dwErrorControl,
        [in] LPCWSTR lpBinaryPathName,
        [in,unique] LPCWSTR lpLoadOrderGroup,
        [in,out,unique] DWORD *lpdwTagId,
        [in,unique,size_is(dwDependenciesSize)] const BYTE *lpDependencies,
        [in] DWORD dwDependenciesSize,
        [in,unique] LPCWSTR lpServiceStartName,
        [in,unique,size_is(dwPasswordSize)] const BYTE *lpPassword,
        [in] DWORD dwPasswordSize,
        [out] SC_RPC_HANDLE *phService
    );

    /* Function 13 */
    DWORD svcctl_EnumDependentServicesW(
        [in] SC_RPC_HANDLE service,
        [in] DWORD state,
        [out, size_is(buf_size)] BYTE *services,
        [in] DWORD buf_size,
        [out] DWORD *needed_size,
        [out] DWORD *services_ret
    );

    /* Function 14 */
    DWORD svcctl_EnumServicesStatusW(
        [in] SC_RPC_HANDLE hmngr,
        [in] DWORD type,
        [in] DWORD state,
        [out,size_is(size)] BYTE *buffer,
        [in] DWORD size,
        [out] LPDWORD needed,
        [out] LPDWORD returned,
        [in,out,unique] LPDWORD resume
    );

    /* Function 15 */
    DWORD svcctl_OpenSCManagerW(
        [in,unique] MACHINE_HANDLEW MachineName,
        [in,unique] LPCWSTR DatabaseName,
        [in] DWORD dwAccessMask,
        [out] SC_RPC_HANDLE *handle
    );

    /* Function 16 */
    DWORD svcctl_OpenServiceW(
        [in] SC_RPC_HANDLE hSCManager,
        [in] LPCWSTR lpServiceName,
        [in] DWORD dwDesiredAccess,
        [out] SC_RPC_HANDLE *phService
    );

    /* Function 17 */
    DWORD svcctl_QueryServiceConfigW(
        [in] SC_RPC_HANDLE hService,
        [out] QUERY_SERVICE_CONFIGW *config,
        [in] DWORD buf_size,
        [out] DWORD *needed_size);

    /* Function 18 */
    DWORD svcctl_QueryServiceLockStatusW(
        [in] SC_RPC_HANDLE scmanager,
        [out] QUERY_SERVICE_LOCK_STATUSW *status,
        [in] DWORD buf_size,
        [out] DWORD *needed_size
    );

    /* Function 19 */
    DWORD svcctl_StartServiceW(
        [in] SC_RPC_HANDLE hService,
        [in] DWORD dwNumServiceArgs,
        [in,unique,size_is(dwNumServiceArgs)] LPCWSTR *lpServiceArgVectors
    );

    /* Function 20 */
    DWORD svcctl_GetServiceDisplayNameW(
        [in] SC_RPC_HANDLE hSCManager,
        [in] LPCWSTR lpServiceName,
        [out,string,size_is(*cchBufSize+1)] WCHAR lpBuffer[],
        [in,out] DWORD *cchBufSize);

    /* Function 21 */
    DWORD svcctl_GetServiceKeyNameW(
        [in] SC_RPC_HANDLE hSCManager,
        [in] LPCWSTR lpServiceDisplayName,
        [out,string,size_is(*cchBufSize+1)] WCHAR lpBuffer[],
        [in,out] DWORD *cchBufSize);

    /* Not compatible with Windows function 22 */
    DWORD svcctl_SCSetServiceBitsA(/* FIXME */);

    /* Function 23 */
    DWORD svcctl_ChangeServiceConfigA(
        [in] SC_RPC_HANDLE service,
        [in] DWORD service_type,
        [in] DWORD start_type,
        [in] DWORD error_control,
        [in, string, unique] LPSTR binarypath,
        [in, string, unique] LPSTR loadordergroup,
        [in, out, unique] DWORD *tagid,
        [in, unique, size_is(depend_size)] BYTE *dependencies,
        [in] DWORD depend_size,
        [in, string, unique] LPSTR startname,
        [in, unique, size_is(password_size)] BYTE *password,
        [in] DWORD password_size,
        [in, string, unique] LPSTR displayname
    );

    /* Function 24 */
    DWORD svcctl_CreateServiceA(
        [in] SC_RPC_HANDLE scmanager,
        [in] LPCSTR servicename,
        [in, unique] LPCSTR displayname,
        [in] DWORD desiredaccess,
        [in] DWORD service_type,
        [in] DWORD start_type,
        [in] DWORD error_control,
        [in] LPCSTR binarypath,
        [in, unique] LPCSTR loadordergroup,
        [in, out, unique] DWORD *tagid,
        [in, unique, size_is(depend_size)] const BYTE *dependencies,
        [in] DWORD depend_size,
        [in, unique] LPCSTR startname,
        [in, unique, size_is(password_size)] const BYTE *password,
        [in] DWORD password_size,
        [out] SC_RPC_HANDLE *service
    );

    /* Function 25 */
    DWORD svcctl_EnumDependentServicesA(
        [in] SC_RPC_HANDLE service,
        [in] DWORD state,
        [out, size_is(buf_size)] BYTE *services,
        [in] DWORD buf_size,
        [out] DWORD *needed_size,
        [out] DWORD *services_ret
    );

    /* Function 26 */
    DWORD svcctl_EnumServicesStatusA(
        [in] SC_RPC_HANDLE hmngr,
        [in] DWORD type,
        [in] DWORD state,
        [out, size_is(size)] BYTE *buffer,
        [in] DWORD size,
        [out] DWORD *needed,
        [out] DWORD *returned,
        [in,out,unique] DWORD *resume
    );

    /* Function 27 */
    DWORD svcctl_OpenSCManagerA(
        [in,unique] MACHINE_HANDLEA MachineName,
        [in,unique] LPCSTR DatabaseName,
        [in] DWORD dwAccessMask,
        [out] SC_RPC_HANDLE *handle
    );

    /* Function 28 */
    DWORD svcctl_OpenServiceA(
        [in] SC_RPC_HANDLE hSCManager,
        [in] LPCSTR lpServiceName,
        [in] DWORD dwDesiredAccess,
        [out] SC_RPC_HANDLE *phService
    );

    /* Function 29 */
    DWORD svcctl_QueryServiceConfigA(
        [in] SC_RPC_HANDLE hService,
        [out] QUERY_SERVICE_CONFIGA *config,
        [in] DWORD buf_size,
        [out] DWORD *needed_size);

    /* Function 30 */
    DWORD svcctl_QueryServiceLockStatusA(
        [in] SC_RPC_HANDLE scmanager,
        [out] QUERY_SERVICE_LOCK_STATUSA *status,
        [in] DWORD buf_size,
        [out] DWORD *needed_size
    );

    /* Function 31 */
    DWORD svcctl_StartServiceA(
        [in] SC_RPC_HANDLE service,
        [in] DWORD argc,
        [in, unique, size_is(argc)] LPCSTR *args
    );

    /* Function 32 */
    DWORD svcctl_GetServiceDisplayNameA(
        [in] SC_RPC_HANDLE hSCManager,
        [in] LPCSTR servicename,
        [out, string, size_is(*buf_size+1)] CHAR buffer[],
        [in, out] DWORD *buf_size);

    /* Function 33 */
    DWORD svcctl_GetServiceKeyNameA(
        [in] SC_RPC_HANDLE hSCManager,
        [in] LPCSTR servicename,
        [out, string, size_is(*buf_size+1)] CHAR buffer[],
        [in, out] DWORD *buf_size);

    /* Not compatible with Windows function 34 */
    DWORD svcctl_GetCurrentGroupStateW(/* FIXME */);

    /* Function 35 */
    DWORD svcctl_EnumServiceGroupW(
        [in] SC_RPC_HANDLE scmanager,
        [in] DWORD service_type,
        [in] DWORD service_state,
        [out, size_is(buf_size)] BYTE *buffer,
        [in] DWORD buf_size,
        [out] DWORD *needed_size,
        [out] DWORD *returned_size,
        [in, out, unique] DWORD *resume_index,
        [in, string, unique] LPCWSTR groupname
    );

    /* Function 36 */
    DWORD svcctl_ChangeServiceConfig2A(
        [in] SC_RPC_HANDLE service,
        [in] SC_RPC_CONFIG_INFOA info
    );

    /* Function 37 */
    DWORD svcctl_ChangeServiceConfig2W(
        [in] SC_RPC_HANDLE service,
        [in] SC_RPC_CONFIG_INFOW info
    );

    /* Function 38 */
    DWORD svcctl_QueryServiceConfig2A(
        [in] SC_RPC_HANDLE service,
        [in] DWORD info_level,
        [out, size_is(buf_size)] BYTE *buffer,
        [in] DWORD buf_size,
        [out] DWORD *needed_size
    );

    /* Function 39 */
    DWORD svcctl_QueryServiceConfig2W(
        [in] SC_RPC_HANDLE hService,
        [in] DWORD InfoLevel,
        [out,size_is(cbBufSize)] BYTE lpBuffer[],
        [in] DWORD cbBufSize,
        [out] LPDWORD pcbBytesNeeded
    );

    /* Function 40 */
    DWORD svcctl_QueryServiceStatusEx(
        [in] SC_RPC_HANDLE hService,
        [in] SC_STATUS_TYPE InfoLevel,
        [out,size_is(cbBufSize)] BYTE *lpBuffer,
        [in] DWORD cbBufSize,
        [out] LPDWORD pcbBytesNeeded
    );

    /* Function 41 */
    DWORD svcctl_EnumServicesStatusExA(
        [in] SC_RPC_HANDLE scmanager,
        [in] SC_ENUM_TYPE info_level,
        [in] DWORD service_type,
        [in] DWORD service_state,
        [out, size_is(buf_size)] BYTE *buffer,
        [in] DWORD buf_size,
        [out] DWORD *needed_size,
        [out] DWORD *services_count,
        [in, out, unique] DWORD *resume_index,
        [in, string, unique] LPCSTR groupname
    );

    /* Function 42 */
    DWORD svcctl_EnumServicesStatusExW(
        [in] SC_RPC_HANDLE scmanager,
        [in] SC_ENUM_TYPE info_level,
        [in] DWORD service_type,
        [in] DWORD service_state,
        [out, size_is(buf_size)] BYTE *buffer,
        [in] DWORD buf_size,
        [out] DWORD *needed_size,
        [out] DWORD *services_count,
        [in, out, unique] DWORD *resume_index,
        [in, string, unique] LPCWSTR groupname
    );

    /* Not compatible with Windows function 43 */
    DWORD svcctl_unknown43(/*FIXME*/);

    /* Function 44 */
    DWORD svcctl_CreateServiceWOW64A(
        [in] SC_RPC_HANDLE scmanager,
        [in, string] LPCSTR servicename,
        [in, string, unique] LPCSTR displayname,
        [in] DWORD accessmask,
        [in] DWORD service_type,
        [in] DWORD start_type,
        [in] DWORD error_control,
        [in, string] LPCSTR imagepath,
        [in, string, unique] LPCSTR loadordergroup,
        [in, out, unique] DWORD *tagid,
        [in, unique, size_is(depend_size)] const BYTE *dependencies,
        [in] DWORD depend_size,
        [in, string, unique] LPCSTR start_name,
        [in, unique, size_is(password_size)] const BYTE *password,
        [in] DWORD password_size,
        [out] SC_RPC_HANDLE *service
    );

    /* Function 45 */
    DWORD svcctl_CreateServiceWOW64W(
        [in] SC_RPC_HANDLE scmanager,
        [in, string] LPCWSTR servicename,
        [in, string, unique] LPCWSTR displayname,
        [in] DWORD accessmask,
        [in] DWORD service_type,
        [in] DWORD start_type,
        [in] DWORD error_control,
        [in, string] LPCWSTR imagepath,
        [in, string, unique] LPCWSTR loadordergroup,
        [in, out, unique] DWORD *tagid,
        [in, unique, size_is(depend_size)] const BYTE *dependencies,
        [in] DWORD depend_size,
        [in, string, unique] LPCWSTR start_name,
        [in, unique, size_is(password_size)] const BYTE *password,
        [in] DWORD password_size,
        [out] SC_RPC_HANDLE *service
    );

    /* Not compatible with Windows function 46 */
    DWORD svcctl_unknown46(/*FIXME*/);

    /* Function 47 */
    DWORD svcctl_NotifyServiceStatusChange(
        [in] SC_RPC_HANDLE service,
        [in] SC_RPC_NOTIFY_PARAMS params,
        [in] GUID *clientprocessguid,
        [out] GUID *scmprocessguid,
        [out] BOOL *createremotequeue,
        [out] SC_NOTIFY_RPC_HANDLE *notify
    );

    /* Function 48 */
    DWORD svcctl_GetNotifyResults(
        [in] SC_NOTIFY_RPC_HANDLE notify,
        [out] SC_RPC_NOTIFY_PARAMS_LIST **params
    );

    /* Function 49 */
    DWORD svcctl_CloseNotifyHandle(
        [in, out] SC_NOTIFY_RPC_HANDLE *notify,
        [out] BOOL *apc_fired
    );

    /* Function 50 */
    DWORD svcctl_ControlServiceExA(
        [in] SC_RPC_HANDLE service,
        [in] DWORD control,
        [in] DWORD info_level,
        [in, switch_is(info_level)] SC_RPC_SERVICE_CONTROL_IN_PARAMSA *in_params,
        [out, switch_is(info_level)] SC_RPC_SERVICE_CONTROL_OUT_PARAMSA *out_params
    );

    /* Function 51 */
    DWORD svcctl_ControlServiceExW(
        [in] SC_RPC_HANDLE service,
        [in] DWORD control,
        [in] DWORD info_level,
        [in, switch_is(info_level)] SC_RPC_SERVICE_CONTROL_IN_PARAMSW *in_params,
        [out, switch_is(info_level)] SC_RPC_SERVICE_CONTROL_OUT_PARAMSW *out_params
    );

    /* Not compatible with Windows function 52 */
    DWORD svcctl_unknown52();

    /* Not compatible with Windows function 53 */
    DWORD svcctl_unknown53();

    /* Not compatible with Windows function 54 */
    DWORD svcctl_unknown54();

    /* Not compatible with Windows function 55 */
    DWORD svcctl_unknown55();

    /* Function 56 */
    DWORD svcctl_QueryServiceConfigEx(
        [in] SC_RPC_HANDLE service,
        [in] DWORD info_level,
        [out] SC_RPC_CONFIG_INFOW *info
    );
}