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wine/dlls/advapi32/service.c

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/*
* Win32 advapi functions
*
* Copyright 1995 Sven Verdoolaege
* Copyright 2005 Mike McCormack
* Copyright 2007 Rolf Kalbermatter
*
* 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
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <string.h>
#include <time.h>
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#include "winsvc.h"
#include "winerror.h"
#include "winreg.h"
#include "wine/unicode.h"
#include "wine/debug.h"
#include "winternl.h"
#include "lmcons.h"
#include "lmserver.h"
#include "svcctl.h"
#include "wine/exception.h"
WINE_DEFAULT_DEBUG_CHANNEL(service);
void __RPC_FAR * __RPC_USER MIDL_user_allocate(SIZE_T len)
{
return HeapAlloc(GetProcessHeap(), 0, len);
}
void __RPC_USER MIDL_user_free(void __RPC_FAR * ptr)
{
HeapFree(GetProcessHeap(), 0, ptr);
}
typedef struct service_data_t
{
LPHANDLER_FUNCTION_EX handler;
LPVOID context;
HANDLE thread;
SC_HANDLE handle;
SC_HANDLE full_access_handle;
BOOL unicode : 1;
union {
LPSERVICE_MAIN_FUNCTIONA a;
LPSERVICE_MAIN_FUNCTIONW w;
} proc;
LPWSTR args;
WCHAR name[1];
} service_data;
static CRITICAL_SECTION service_cs;
static CRITICAL_SECTION_DEBUG service_cs_debug =
{
0, 0, &service_cs,
{ &service_cs_debug.ProcessLocksList,
&service_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": service_cs") }
};
static CRITICAL_SECTION service_cs = { &service_cs_debug, -1, 0, 0, 0, 0 };
static service_data **services;
static unsigned int nb_services;
static HANDLE service_event;
extern HANDLE CDECL __wine_make_process_system(void);
/******************************************************************************
* String management functions (same behaviour as strdup)
* NOTE: the caller of those functions is responsible for calling HeapFree
* in order to release the memory allocated by those functions.
*/
static inline LPWSTR SERV_dup( LPCSTR str )
{
UINT len;
LPWSTR wstr;
if( !str )
return NULL;
len = MultiByteToWideChar( CP_ACP, 0, str, -1, NULL, 0 );
wstr = HeapAlloc( GetProcessHeap(), 0, len*sizeof (WCHAR) );
MultiByteToWideChar( CP_ACP, 0, str, -1, wstr, len );
return wstr;
}
static inline LPWSTR SERV_dupmulti(LPCSTR str)
{
UINT len = 0, n = 0;
LPWSTR wstr;
if( !str )
return NULL;
do {
len += MultiByteToWideChar( CP_ACP, 0, &str[n], -1, NULL, 0 );
n += (strlen( &str[n] ) + 1);
} while (str[n]);
len++;
n++;
wstr = HeapAlloc( GetProcessHeap(), 0, len*sizeof (WCHAR) );
MultiByteToWideChar( CP_ACP, 0, str, n, wstr, len );
return wstr;
}
static inline DWORD multisz_cb(LPCWSTR wmultisz)
{
const WCHAR *wptr = wmultisz;
if (wmultisz == NULL)
return 0;
while (*wptr)
wptr += lstrlenW(wptr)+1;
return (wptr - wmultisz + 1)*sizeof(WCHAR);
}
/******************************************************************************
* RPC connection with services.exe
*/
DECLSPEC_HIDDEN handle_t __RPC_USER MACHINE_HANDLEW_bind(MACHINE_HANDLEW MachineName)
{
WCHAR transport[] = SVCCTL_TRANSPORT;
WCHAR endpoint[] = SVCCTL_ENDPOINT;
RPC_WSTR binding_str;
RPC_STATUS status;
handle_t rpc_handle;
status = RpcStringBindingComposeW(NULL, transport, (RPC_WSTR)MachineName, endpoint, NULL, &binding_str);
if (status != RPC_S_OK)
{
ERR("RpcStringBindingComposeW failed (%d)\n", (DWORD)status);
return NULL;
}
status = RpcBindingFromStringBindingW(binding_str, &rpc_handle);
RpcStringFreeW(&binding_str);
if (status != RPC_S_OK)
{
ERR("Couldn't connect to services.exe: error code %u\n", (DWORD)status);
return NULL;
}
return rpc_handle;
}
DECLSPEC_HIDDEN void __RPC_USER MACHINE_HANDLEW_unbind(MACHINE_HANDLEW MachineName, handle_t h)
{
RpcBindingFree(&h);
}
static LONG WINAPI rpc_filter(EXCEPTION_POINTERS *eptr)
{
return I_RpcExceptionFilter(eptr->ExceptionRecord->ExceptionCode);
}
static DWORD map_exception_code(DWORD exception_code)
{
switch (exception_code)
{
case RPC_X_NULL_REF_POINTER:
return ERROR_INVALID_ADDRESS;
case RPC_X_ENUM_VALUE_OUT_OF_RANGE:
case RPC_X_BYTE_COUNT_TOO_SMALL:
return ERROR_INVALID_PARAMETER;
case RPC_S_INVALID_BINDING:
case RPC_X_SS_IN_NULL_CONTEXT:
return ERROR_INVALID_HANDLE;
default:
return exception_code;
}
}
/******************************************************************************
* Service IPC functions
*/
static LPWSTR service_get_pipe_name(void)
{
static const WCHAR format[] = { '\\','\\','.','\\','p','i','p','e','\\',
'n','e','t','\\','N','t','C','o','n','t','r','o','l','P','i','p','e','%','u',0};
static const WCHAR service_current_key_str[] = { 'S','Y','S','T','E','M','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',
'S','e','r','v','i','c','e','C','u','r','r','e','n','t',0};
LPWSTR name;
DWORD len;
HKEY service_current_key;
DWORD service_current;
LONG ret;
DWORD type;
ret = RegOpenKeyExW(HKEY_LOCAL_MACHINE, service_current_key_str, 0,
KEY_QUERY_VALUE, &service_current_key);
if (ret != ERROR_SUCCESS)
return NULL;
len = sizeof(service_current);
ret = RegQueryValueExW(service_current_key, NULL, NULL, &type,
(BYTE *)&service_current, &len);
RegCloseKey(service_current_key);
if (ret != ERROR_SUCCESS || type != REG_DWORD)
return NULL;
len = sizeof(format)/sizeof(WCHAR) + 10 /* strlenW("4294967295") */;
name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!name)
return NULL;
snprintfW(name, len, format, service_current);
return name;
}
static HANDLE service_open_pipe(void)
{
LPWSTR szPipe = service_get_pipe_name();
HANDLE handle = INVALID_HANDLE_VALUE;
do {
handle = CreateFileW(szPipe, GENERIC_READ|GENERIC_WRITE,
0, NULL, OPEN_ALWAYS, 0, NULL);
if (handle != INVALID_HANDLE_VALUE)
break;
if (GetLastError() != ERROR_PIPE_BUSY)
break;
} while (WaitNamedPipeW(szPipe, NMPWAIT_USE_DEFAULT_WAIT));
HeapFree(GetProcessHeap(), 0, szPipe);
return handle;
}
static service_data *find_service_by_name( const WCHAR *name )
{
unsigned int i;
if (nb_services == 1) /* only one service (FIXME: should depend on OWN_PROCESS etc.) */
return services[0];
for (i = 0; i < nb_services; i++)
if (!strcmpiW( name, services[i]->name )) return services[i];
return NULL;
}
/******************************************************************************
* service_thread
*
* Call into the main service routine provided by StartServiceCtrlDispatcher.
*/
static DWORD WINAPI service_thread(LPVOID arg)
{
service_data *info = arg;
LPWSTR str = info->args;
DWORD argc = 0, len = 0;
TRACE("%p\n", arg);
while (str[len])
{
len += strlenW(&str[len]) + 1;
argc++;
}
len++;
if (info->unicode)
{
LPWSTR *argv, p;
argv = HeapAlloc(GetProcessHeap(), 0, (argc+1)*sizeof(LPWSTR));
for (argc=0, p=str; *p; p += strlenW(p) + 1)
argv[argc++] = p;
argv[argc] = NULL;
info->proc.w(argc, argv);
HeapFree(GetProcessHeap(), 0, argv);
}
else
{
LPSTR strA, *argv, p;
DWORD lenA;
lenA = WideCharToMultiByte(CP_ACP,0, str, len, NULL, 0, NULL, NULL);
strA = HeapAlloc(GetProcessHeap(), 0, lenA);
WideCharToMultiByte(CP_ACP,0, str, len, strA, lenA, NULL, NULL);
argv = HeapAlloc(GetProcessHeap(), 0, (argc+1)*sizeof(LPSTR));
for (argc=0, p=strA; *p; p += strlen(p) + 1)
argv[argc++] = p;
argv[argc] = NULL;
info->proc.a(argc, argv);
HeapFree(GetProcessHeap(), 0, argv);
HeapFree(GetProcessHeap(), 0, strA);
}
return 0;
}
/******************************************************************************
* service_handle_start
*/
static DWORD service_handle_start(service_data *service, const WCHAR *data, DWORD count)
{
TRACE("%s argsize %u\n", debugstr_w(service->name), count);
if (service->thread)
{
WARN("service is not stopped\n");
return ERROR_SERVICE_ALREADY_RUNNING;
}
HeapFree(GetProcessHeap(), 0, service->args);
service->args = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR));
memcpy( service->args, data, count * sizeof(WCHAR) );
service->thread = CreateThread( NULL, 0, service_thread,
service, 0, NULL );
SetEvent( service_event ); /* notify the main loop */
return 0;
}
/******************************************************************************
* service_handle_control
*/
static DWORD service_handle_control(const service_data *service, DWORD dwControl)
{
DWORD ret = ERROR_INVALID_SERVICE_CONTROL;
TRACE("%s control %u\n", debugstr_w(service->name), dwControl);
if (service->handler)
ret = service->handler(dwControl, 0, NULL, service->context);
return ret;
}
/******************************************************************************
* service_control_dispatcher
*/
static DWORD WINAPI service_control_dispatcher(LPVOID arg)
{
SC_HANDLE manager;
HANDLE pipe;
if (!(manager = OpenSCManagerW( NULL, NULL, SC_MANAGER_CONNECT )))
{
ERR("failed to open service manager error %u\n", GetLastError());
return 0;
}
pipe = service_open_pipe();
if (pipe==INVALID_HANDLE_VALUE)
{
WARN("failed to create control pipe error = %d\n", GetLastError());
return 0;
}
/* dispatcher loop */
while (1)
{
service_data *service;
service_start_info info;
WCHAR *data = NULL;
BOOL r;
DWORD data_size = 0, count, result;
r = ReadFile( pipe, &info, FIELD_OFFSET(service_start_info,data), &count, NULL );
if (!r)
{
if (GetLastError() != ERROR_BROKEN_PIPE)
ERR( "pipe read failed error %u\n", GetLastError() );
break;
}
if (count != FIELD_OFFSET(service_start_info,data))
{
ERR( "partial pipe read %u\n", count );
break;
}
if (count < info.total_size)
{
data_size = info.total_size - FIELD_OFFSET(service_start_info,data);
data = HeapAlloc( GetProcessHeap(), 0, data_size );
r = ReadFile( pipe, data, data_size, &count, NULL );
if (!r)
{
if (GetLastError() != ERROR_BROKEN_PIPE)
ERR( "pipe read failed error %u\n", GetLastError() );
break;
}
if (count != data_size)
{
ERR( "partial pipe read %u/%u\n", count, data_size );
break;
}
}
/* find the service */
if (!(service = find_service_by_name( data )))
{
FIXME( "got request %u for unknown service %s\n", info.cmd, debugstr_w(data));
result = ERROR_INVALID_PARAMETER;
goto done;
}
TRACE( "got request %u for service %s\n", info.cmd, debugstr_w(data) );
/* handle the request */
switch (info.cmd)
{
case WINESERV_STARTINFO:
if (!service->handle)
{
if (!(service->handle = OpenServiceW( manager, data, SERVICE_SET_STATUS )) ||
!(service->full_access_handle = OpenServiceW( manager, data, GENERIC_READ|GENERIC_WRITE )))
FIXME( "failed to open service %s\n", debugstr_w(data) );
}
result = service_handle_start(service, data, data_size / sizeof(WCHAR));
break;
case WINESERV_SENDCONTROL:
result = service_handle_control(service, info.control);
break;
default:
ERR("received invalid command %u\n", info.cmd);
result = ERROR_INVALID_PARAMETER;
break;
}
done:
WriteFile(pipe, &result, sizeof(result), &count, NULL);
HeapFree( GetProcessHeap(), 0, data );
}
CloseHandle(pipe);
CloseServiceHandle( manager );
return 1;
}
/******************************************************************************
* service_run_main_thread
*/
static BOOL service_run_main_thread(void)
{
DWORD i, n, ret;
HANDLE wait_handles[MAXIMUM_WAIT_OBJECTS];
UINT wait_services[MAXIMUM_WAIT_OBJECTS];
service_event = CreateEventW( NULL, FALSE, FALSE, NULL );
/* FIXME: service_control_dispatcher should be merged into the main thread */
wait_handles[0] = __wine_make_process_system();
wait_handles[1] = CreateThread( NULL, 0, service_control_dispatcher, NULL, 0, NULL );
wait_handles[2] = service_event;
TRACE("Starting %d services running as process %d\n",
nb_services, GetCurrentProcessId());
/* wait for all the threads to pack up and exit */
for (;;)
{
EnterCriticalSection( &service_cs );
for (i = 0, n = 3; i < nb_services && n < MAXIMUM_WAIT_OBJECTS; i++)
{
if (!services[i]->thread) continue;
wait_services[n] = i;
wait_handles[n++] = services[i]->thread;
}
LeaveCriticalSection( &service_cs );
ret = WaitForMultipleObjects( n, wait_handles, FALSE, INFINITE );
if (!ret) /* system process event */
{
SERVICE_STATUS st;
SERVICE_PRESHUTDOWN_INFO spi;
DWORD timeout = 5000;
BOOL res;
EnterCriticalSection( &service_cs );
n = 0;
for (i = 0; i < nb_services && n < MAXIMUM_WAIT_OBJECTS; i++)
{
if (!services[i]->thread) continue;
res = QueryServiceStatus(services[i]->full_access_handle, &st);
ret = ERROR_SUCCESS;
if (res && (st.dwControlsAccepted & SERVICE_ACCEPT_PRESHUTDOWN))
{
res = QueryServiceConfig2W( services[i]->full_access_handle, SERVICE_CONFIG_PRESHUTDOWN_INFO,
(LPBYTE)&spi, sizeof(spi), &i );
if (res)
{
FIXME("service should be able to delay shutdown\n");
timeout += spi.dwPreshutdownTimeout;
ret = service_handle_control( services[i], SERVICE_CONTROL_PRESHUTDOWN );
wait_handles[n++] = services[i]->thread;
}
}
else if (res && (st.dwControlsAccepted & SERVICE_ACCEPT_SHUTDOWN))
{
ret = service_handle_control( services[i], SERVICE_CONTROL_SHUTDOWN );
wait_handles[n++] = services[i]->thread;
}
}
LeaveCriticalSection( &service_cs );
TRACE("last user process exited, shutting down (timeout: %d)\n", timeout);
WaitForMultipleObjects( n, wait_handles, TRUE, timeout );
ExitProcess(0);
}
else if (ret == 1)
{
TRACE( "control dispatcher exited, shutting down\n" );
/* FIXME: we should maybe send a shutdown control to running services */
ExitProcess(0);
}
else if (ret == 2)
{
continue; /* rebuild the list */
}
else if (ret < n)
{
services[wait_services[ret]]->thread = 0;
CloseHandle( wait_handles[ret] );
if (n == 4) return TRUE; /* it was the last running thread */
}
else return FALSE;
}
}
/******************************************************************************
* StartServiceCtrlDispatcherA [ADVAPI32.@]
*
* See StartServiceCtrlDispatcherW.
*/
BOOL WINAPI StartServiceCtrlDispatcherA( const SERVICE_TABLE_ENTRYA *servent )
{
service_data *info;
unsigned int i;
BOOL ret = TRUE;
TRACE("%p\n", servent);
if (nb_services)
{
SetLastError( ERROR_SERVICE_ALREADY_RUNNING );
return FALSE;
}
while (servent[nb_services].lpServiceName) nb_services++;
services = HeapAlloc( GetProcessHeap(), 0, nb_services * sizeof(*services) );
for (i = 0; i < nb_services; i++)
{
DWORD len = MultiByteToWideChar(CP_ACP, 0, servent[i].lpServiceName, -1, NULL, 0);
DWORD sz = FIELD_OFFSET( service_data, name[len] );
info = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sz );
MultiByteToWideChar(CP_ACP, 0, servent[i].lpServiceName, -1, info->name, len);
info->proc.a = servent[i].lpServiceProc;
info->unicode = FALSE;
services[i] = info;
}
service_run_main_thread();
return ret;
}
/******************************************************************************
* StartServiceCtrlDispatcherW [ADVAPI32.@]
*
* Connects a process containing one or more services to the service control
* manager.
*
* PARAMS
* servent [I] A list of the service names and service procedures
*
* RETURNS
* Success: TRUE.
* Failure: FALSE.
*/
BOOL WINAPI StartServiceCtrlDispatcherW( const SERVICE_TABLE_ENTRYW *servent )
{
service_data *info;
unsigned int i;
BOOL ret = TRUE;
TRACE("%p\n", servent);
if (nb_services)
{
SetLastError( ERROR_SERVICE_ALREADY_RUNNING );
return FALSE;
}
while (servent[nb_services].lpServiceName) nb_services++;
services = HeapAlloc( GetProcessHeap(), 0, nb_services * sizeof(*services) );
for (i = 0; i < nb_services; i++)
{
DWORD len = strlenW(servent[i].lpServiceName) + 1;
DWORD sz = FIELD_OFFSET( service_data, name[len] );
info = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sz );
strcpyW(info->name, servent[i].lpServiceName);
info->proc.w = servent[i].lpServiceProc;
info->unicode = TRUE;
services[i] = info;
}
service_run_main_thread();
return ret;
}
/******************************************************************************
* LockServiceDatabase [ADVAPI32.@]
*/
SC_LOCK WINAPI LockServiceDatabase (SC_HANDLE hSCManager)
{
SC_RPC_LOCK hLock = NULL;
DWORD err;
TRACE("%p\n",hSCManager);
__TRY
{
err = svcctl_LockServiceDatabase(hSCManager, &hLock);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
SetLastError(err);
return NULL;
}
return hLock;
}
/******************************************************************************
* UnlockServiceDatabase [ADVAPI32.@]
*/
BOOL WINAPI UnlockServiceDatabase (SC_LOCK ScLock)
{
DWORD err;
SC_RPC_LOCK hRpcLock = ScLock;
TRACE("%p\n",ScLock);
__TRY
{
err = svcctl_UnlockServiceDatabase(&hRpcLock);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
SetLastError(err);
return FALSE;
}
return TRUE;
}
/******************************************************************************
* SetServiceStatus [ADVAPI32.@]
*
* PARAMS
* hService []
* lpStatus []
*/
BOOL WINAPI
SetServiceStatus( SERVICE_STATUS_HANDLE hService, LPSERVICE_STATUS lpStatus )
{
DWORD err;
TRACE("%p %x %x %x %x %x %x %x\n", hService,
lpStatus->dwServiceType, lpStatus->dwCurrentState,
lpStatus->dwControlsAccepted, lpStatus->dwWin32ExitCode,
lpStatus->dwServiceSpecificExitCode, lpStatus->dwCheckPoint,
lpStatus->dwWaitHint);
__TRY
{
err = svcctl_SetServiceStatus( hService, lpStatus );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
SetLastError(err);
return FALSE;
}
if (lpStatus->dwCurrentState == SERVICE_STOPPED)
CloseServiceHandle((SC_HANDLE)hService);
return TRUE;
}
/******************************************************************************
* OpenSCManagerA [ADVAPI32.@]
*
* Establish a connection to the service control manager and open its database.
*
* PARAMS
* lpMachineName [I] Pointer to machine name string
* lpDatabaseName [I] Pointer to database name string
* dwDesiredAccess [I] Type of access
*
* RETURNS
* Success: A Handle to the service control manager database
* Failure: NULL
*/
SC_HANDLE WINAPI OpenSCManagerA( LPCSTR lpMachineName, LPCSTR lpDatabaseName,
DWORD dwDesiredAccess )
{
LPWSTR lpMachineNameW, lpDatabaseNameW;
SC_HANDLE ret;
lpMachineNameW = SERV_dup(lpMachineName);
lpDatabaseNameW = SERV_dup(lpDatabaseName);
ret = OpenSCManagerW(lpMachineNameW, lpDatabaseNameW, dwDesiredAccess);
HeapFree(GetProcessHeap(), 0, lpDatabaseNameW);
HeapFree(GetProcessHeap(), 0, lpMachineNameW);
return ret;
}
/******************************************************************************
* OpenSCManagerW [ADVAPI32.@]
*
* See OpenSCManagerA.
*/
SC_HANDLE WINAPI OpenSCManagerW( LPCWSTR lpMachineName, LPCWSTR lpDatabaseName,
DWORD dwDesiredAccess )
{
SC_HANDLE handle = 0;
LONG r;
TRACE("(%s,%s,0x%08x)\n", debugstr_w(lpMachineName),
debugstr_w(lpDatabaseName), dwDesiredAccess);
__TRY
{
r = svcctl_OpenSCManagerW(lpMachineName, lpDatabaseName, dwDesiredAccess, (SC_RPC_HANDLE *)&handle);
}
__EXCEPT(rpc_filter)
{
r = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (r!=ERROR_SUCCESS)
{
SetLastError( r );
handle = 0;
}
TRACE("returning %p\n", handle);
return handle;
}
/******************************************************************************
* ControlService [ADVAPI32.@]
*
* Send a control code to a service.
*
* PARAMS
* hService [I] Handle of the service control manager database
* dwControl [I] Control code to send (SERVICE_CONTROL_* flags from "winsvc.h")
* lpServiceStatus [O] Destination for the status of the service, if available
*
* RETURNS
* Success: TRUE.
* Failure: FALSE.
*
* BUGS
* Unlike M$' implementation, control requests are not serialized and may be
* processed asynchronously.
*/
BOOL WINAPI ControlService( SC_HANDLE hService, DWORD dwControl,
LPSERVICE_STATUS lpServiceStatus )
{
DWORD err;
TRACE("%p %d %p\n", hService, dwControl, lpServiceStatus);
__TRY
{
err = svcctl_ControlService(hService, dwControl, lpServiceStatus);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
SetLastError(err);
return FALSE;
}
return TRUE;
}
/******************************************************************************
* CloseServiceHandle [ADVAPI32.@]
*
* Close a handle to a service or the service control manager database.
*
* PARAMS
* hSCObject [I] Handle to service or service control manager database
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI
CloseServiceHandle( SC_HANDLE hSCObject )
{
DWORD err;
TRACE("%p\n", hSCObject);
__TRY
{
err = svcctl_CloseServiceHandle((SC_RPC_HANDLE *)&hSCObject);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
SetLastError(err);
return FALSE;
}
return TRUE;
}
/******************************************************************************
* OpenServiceA [ADVAPI32.@]
*
* Open a handle to a service.
*
* PARAMS
* hSCManager [I] Handle of the service control manager database
* lpServiceName [I] Name of the service to open
* dwDesiredAccess [I] Access required to the service
*
* RETURNS
* Success: Handle to the service
* Failure: NULL
*/
SC_HANDLE WINAPI OpenServiceA( SC_HANDLE hSCManager, LPCSTR lpServiceName,
DWORD dwDesiredAccess )
{
LPWSTR lpServiceNameW;
SC_HANDLE ret;
TRACE("%p %s %d\n", hSCManager, debugstr_a(lpServiceName), dwDesiredAccess);
lpServiceNameW = SERV_dup(lpServiceName);
ret = OpenServiceW( hSCManager, lpServiceNameW, dwDesiredAccess);
HeapFree(GetProcessHeap(), 0, lpServiceNameW);
return ret;
}
/******************************************************************************
* OpenServiceW [ADVAPI32.@]
*
* See OpenServiceA.
*/
SC_HANDLE WINAPI OpenServiceW( SC_HANDLE hSCManager, LPCWSTR lpServiceName,
DWORD dwDesiredAccess)
{
SC_HANDLE handle = 0;
DWORD err;
TRACE("%p %s %d\n", hSCManager, debugstr_w(lpServiceName), dwDesiredAccess);
if (!hSCManager)
{
SetLastError( ERROR_INVALID_HANDLE );
return 0;
}
__TRY
{
err = svcctl_OpenServiceW(hSCManager, lpServiceName, dwDesiredAccess, (SC_RPC_HANDLE *)&handle);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
SetLastError(err);
handle = 0;
}
TRACE("returning %p\n",handle);
return handle;
}
/******************************************************************************
* CreateServiceW [ADVAPI32.@]
*/
SC_HANDLE WINAPI
CreateServiceW( SC_HANDLE hSCManager, LPCWSTR lpServiceName,
LPCWSTR lpDisplayName, DWORD dwDesiredAccess,
DWORD dwServiceType, DWORD dwStartType,
DWORD dwErrorControl, LPCWSTR lpBinaryPathName,
LPCWSTR lpLoadOrderGroup, LPDWORD lpdwTagId,
LPCWSTR lpDependencies, LPCWSTR lpServiceStartName,
LPCWSTR lpPassword )
{
SC_HANDLE handle = 0;
DWORD err;
SIZE_T passwdlen;
TRACE("%p %s %s\n", hSCManager,
debugstr_w(lpServiceName), debugstr_w(lpDisplayName));
if (!hSCManager)
{
SetLastError( ERROR_INVALID_HANDLE );
return 0;
}
if (lpPassword)
passwdlen = (strlenW(lpPassword) + 1) * sizeof(WCHAR);
else
passwdlen = 0;
__TRY
{
err = svcctl_CreateServiceW(hSCManager, lpServiceName,
lpDisplayName, dwDesiredAccess, dwServiceType, dwStartType, dwErrorControl,
lpBinaryPathName, lpLoadOrderGroup, lpdwTagId, (const BYTE*)lpDependencies,
multisz_cb(lpDependencies), lpServiceStartName, (const BYTE*)lpPassword, passwdlen,
(SC_RPC_HANDLE *)&handle);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
SetLastError(err);
handle = 0;
}
return handle;
}
/******************************************************************************
* CreateServiceA [ADVAPI32.@]
*/
SC_HANDLE WINAPI
CreateServiceA( SC_HANDLE hSCManager, LPCSTR lpServiceName,
LPCSTR lpDisplayName, DWORD dwDesiredAccess,
DWORD dwServiceType, DWORD dwStartType,
DWORD dwErrorControl, LPCSTR lpBinaryPathName,
LPCSTR lpLoadOrderGroup, LPDWORD lpdwTagId,
LPCSTR lpDependencies, LPCSTR lpServiceStartName,
LPCSTR lpPassword )
{
LPWSTR lpServiceNameW, lpDisplayNameW, lpBinaryPathNameW,
lpLoadOrderGroupW, lpDependenciesW, lpServiceStartNameW, lpPasswordW;
SC_HANDLE r;
TRACE("%p %s %s\n", hSCManager,
debugstr_a(lpServiceName), debugstr_a(lpDisplayName));
lpServiceNameW = SERV_dup( lpServiceName );
lpDisplayNameW = SERV_dup( lpDisplayName );
lpBinaryPathNameW = SERV_dup( lpBinaryPathName );
lpLoadOrderGroupW = SERV_dup( lpLoadOrderGroup );
lpDependenciesW = SERV_dupmulti( lpDependencies );
lpServiceStartNameW = SERV_dup( lpServiceStartName );
lpPasswordW = SERV_dup( lpPassword );
r = CreateServiceW( hSCManager, lpServiceNameW, lpDisplayNameW,
dwDesiredAccess, dwServiceType, dwStartType, dwErrorControl,
lpBinaryPathNameW, lpLoadOrderGroupW, lpdwTagId,
lpDependenciesW, lpServiceStartNameW, lpPasswordW );
HeapFree( GetProcessHeap(), 0, lpServiceNameW );
HeapFree( GetProcessHeap(), 0, lpDisplayNameW );
HeapFree( GetProcessHeap(), 0, lpBinaryPathNameW );
HeapFree( GetProcessHeap(), 0, lpLoadOrderGroupW );
HeapFree( GetProcessHeap(), 0, lpDependenciesW );
HeapFree( GetProcessHeap(), 0, lpServiceStartNameW );
HeapFree( GetProcessHeap(), 0, lpPasswordW );
return r;
}
/******************************************************************************
* DeleteService [ADVAPI32.@]
*
* Delete a service from the service control manager database.
*
* PARAMS
* hService [I] Handle of the service to delete
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI DeleteService( SC_HANDLE hService )
{
DWORD err;
__TRY
{
err = svcctl_DeleteService(hService);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != 0)
{
SetLastError(err);
return FALSE;
}
return TRUE;
}
/******************************************************************************
* StartServiceA [ADVAPI32.@]
*
* Start a service
*
* PARAMS
* hService [I] Handle of service
* dwNumServiceArgs [I] Number of arguments
* lpServiceArgVectors [I] Address of array of argument strings
*
* NOTES
* - NT implements this function using an obscure RPC call.
* - You might need to do a "setenv SystemRoot \\WINNT" in your .cshrc
* to get things like "%SystemRoot%\\System32\\service.exe" to load.
* - This will only work for shared address space. How should the service
* args be transferred when address spaces are separated?
* - Can only start one service at a time.
* - Has no concept of privilege.
*
* RETURNS
* Success: TRUE.
* Failure: FALSE
*/
BOOL WINAPI StartServiceA( SC_HANDLE hService, DWORD dwNumServiceArgs,
LPCSTR *lpServiceArgVectors )
{
LPWSTR *lpwstr=NULL;
unsigned int i;
BOOL r;
TRACE("(%p,%d,%p)\n",hService,dwNumServiceArgs,lpServiceArgVectors);
if (dwNumServiceArgs)
lpwstr = HeapAlloc( GetProcessHeap(), 0,
dwNumServiceArgs*sizeof(LPWSTR) );
for(i=0; i<dwNumServiceArgs; i++)
lpwstr[i]=SERV_dup(lpServiceArgVectors[i]);
r = StartServiceW(hService, dwNumServiceArgs, (LPCWSTR *)lpwstr);
if (dwNumServiceArgs)
{
for(i=0; i<dwNumServiceArgs; i++)
HeapFree(GetProcessHeap(), 0, lpwstr[i]);
HeapFree(GetProcessHeap(), 0, lpwstr);
}
return r;
}
/******************************************************************************
* StartServiceW [ADVAPI32.@]
*
* See StartServiceA.
*/
BOOL WINAPI StartServiceW(SC_HANDLE hService, DWORD dwNumServiceArgs,
LPCWSTR *lpServiceArgVectors)
{
DWORD err;
TRACE("%p %d %p\n", hService, dwNumServiceArgs, lpServiceArgVectors);
__TRY
{
err = svcctl_StartServiceW(hService, dwNumServiceArgs, lpServiceArgVectors);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
SetLastError(err);
return FALSE;
}
return TRUE;
}
/******************************************************************************
* QueryServiceStatus [ADVAPI32.@]
*
* PARAMS
* hService [I] Handle to service to get information about
* lpservicestatus [O] buffer to receive the status information for the service
*
*/
BOOL WINAPI QueryServiceStatus(SC_HANDLE hService,
LPSERVICE_STATUS lpservicestatus)
{
SERVICE_STATUS_PROCESS SvcStatusData;
BOOL ret;
DWORD dummy;
TRACE("%p %p\n", hService, lpservicestatus);
if (!hService)
{
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
if (!lpservicestatus)
{
SetLastError(ERROR_INVALID_ADDRESS);
return FALSE;
}
ret = QueryServiceStatusEx(hService, SC_STATUS_PROCESS_INFO, (LPBYTE)&SvcStatusData,
sizeof(SERVICE_STATUS_PROCESS), &dummy);
if (ret) memcpy(lpservicestatus, &SvcStatusData, sizeof(SERVICE_STATUS)) ;
return ret;
}
/******************************************************************************
* QueryServiceStatusEx [ADVAPI32.@]
*
* Get information about a service.
*
* PARAMS
* hService [I] Handle to service to get information about
* InfoLevel [I] Level of information to get
* lpBuffer [O] Destination for requested information
* cbBufSize [I] Size of lpBuffer in bytes
* pcbBytesNeeded [O] Destination for number of bytes needed, if cbBufSize is too small
*
* RETURNS
* Success: TRUE
* FAILURE: FALSE
*/
BOOL WINAPI QueryServiceStatusEx(SC_HANDLE hService, SC_STATUS_TYPE InfoLevel,
LPBYTE lpBuffer, DWORD cbBufSize,
LPDWORD pcbBytesNeeded)
{
DWORD err;
TRACE("%p %d %p %d %p\n", hService, InfoLevel, lpBuffer, cbBufSize, pcbBytesNeeded);
if (InfoLevel != SC_STATUS_PROCESS_INFO)
{
err = ERROR_INVALID_LEVEL;
}
else if (cbBufSize < sizeof(SERVICE_STATUS_PROCESS))
{
*pcbBytesNeeded = sizeof(SERVICE_STATUS_PROCESS);
err = ERROR_INSUFFICIENT_BUFFER;
}
else
{
__TRY
{
err = svcctl_QueryServiceStatusEx(hService, InfoLevel, lpBuffer, cbBufSize, pcbBytesNeeded);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
}
if (err != ERROR_SUCCESS)
{
SetLastError(err);
return FALSE;
}
return TRUE;
}
/******************************************************************************
* QueryServiceConfigA [ADVAPI32.@]
*/
BOOL WINAPI QueryServiceConfigA( SC_HANDLE hService, LPQUERY_SERVICE_CONFIGA config,
DWORD size, LPDWORD needed )
{
DWORD n;
LPSTR p, buffer;
BOOL ret;
QUERY_SERVICE_CONFIGW *configW;
TRACE("%p %p %d %p\n", hService, config, size, needed);
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, 2 * size )))
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return FALSE;
}
configW = (QUERY_SERVICE_CONFIGW *)buffer;
ret = QueryServiceConfigW( hService, configW, 2 * size, needed );
if (!ret) goto done;
config->dwServiceType = configW->dwServiceType;
config->dwStartType = configW->dwStartType;
config->dwErrorControl = configW->dwErrorControl;
config->lpBinaryPathName = NULL;
config->lpLoadOrderGroup = NULL;
config->dwTagId = configW->dwTagId;
config->lpDependencies = NULL;
config->lpServiceStartName = NULL;
config->lpDisplayName = NULL;
p = (LPSTR)(config + 1);
n = size - sizeof(*config);
ret = FALSE;
#define MAP_STR(str) \
do { \
if (configW->str) \
{ \
DWORD sz = WideCharToMultiByte( CP_ACP, 0, configW->str, -1, p, n, NULL, NULL ); \
if (!sz) goto done; \
config->str = p; \
p += sz; \
n -= sz; \
} \
} while (0)
MAP_STR( lpBinaryPathName );
MAP_STR( lpLoadOrderGroup );
MAP_STR( lpDependencies );
MAP_STR( lpServiceStartName );
MAP_STR( lpDisplayName );
#undef MAP_STR
*needed = p - (LPSTR)config;
ret = TRUE;
done:
HeapFree( GetProcessHeap(), 0, buffer );
return ret;
}
static DWORD move_string_to_buffer(BYTE **buf, LPWSTR *string_ptr)
{
DWORD cb;
if (!*string_ptr)
{
cb = sizeof(WCHAR);
memset(*buf, 0, cb);
}
else
{
cb = (strlenW(*string_ptr) + 1)*sizeof(WCHAR);
memcpy(*buf, *string_ptr, cb);
MIDL_user_free(*string_ptr);
}
*string_ptr = (LPWSTR)*buf;
*buf += cb;
return cb;
}
static DWORD size_string(LPCWSTR string)
{
return (string ? (strlenW(string) + 1)*sizeof(WCHAR) : sizeof(WCHAR));
}
/******************************************************************************
* QueryServiceConfigW [ADVAPI32.@]
*/
BOOL WINAPI
QueryServiceConfigW( SC_HANDLE hService,
LPQUERY_SERVICE_CONFIGW lpServiceConfig,
DWORD cbBufSize, LPDWORD pcbBytesNeeded)
{
QUERY_SERVICE_CONFIGW config;
DWORD total;
DWORD err;
BYTE *bufpos;
TRACE("%p %p %d %p\n", hService, lpServiceConfig,
cbBufSize, pcbBytesNeeded);
memset(&config, 0, sizeof(config));
__TRY
{
err = svcctl_QueryServiceConfigW(hService, &config);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
TRACE("services.exe: error %u\n", err);
SetLastError(err);
return FALSE;
}
/* calculate the size required first */
total = sizeof (QUERY_SERVICE_CONFIGW);
total += size_string(config.lpBinaryPathName);
total += size_string(config.lpLoadOrderGroup);
total += size_string(config.lpDependencies);
total += size_string(config.lpServiceStartName);
total += size_string(config.lpDisplayName);
*pcbBytesNeeded = total;
/* if there's not enough memory, return an error */
if( total > cbBufSize )
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
MIDL_user_free(config.lpBinaryPathName);
MIDL_user_free(config.lpLoadOrderGroup);
MIDL_user_free(config.lpDependencies);
MIDL_user_free(config.lpServiceStartName);
MIDL_user_free(config.lpDisplayName);
return FALSE;
}
*lpServiceConfig = config;
bufpos = ((BYTE *)lpServiceConfig) + sizeof(QUERY_SERVICE_CONFIGW);
move_string_to_buffer(&bufpos, &lpServiceConfig->lpBinaryPathName);
move_string_to_buffer(&bufpos, &lpServiceConfig->lpLoadOrderGroup);
move_string_to_buffer(&bufpos, &lpServiceConfig->lpDependencies);
move_string_to_buffer(&bufpos, &lpServiceConfig->lpServiceStartName);
move_string_to_buffer(&bufpos, &lpServiceConfig->lpDisplayName);
TRACE("Image path = %s\n", debugstr_w(lpServiceConfig->lpBinaryPathName) );
TRACE("Group = %s\n", debugstr_w(lpServiceConfig->lpLoadOrderGroup) );
TRACE("Dependencies = %s\n", debugstr_w(lpServiceConfig->lpDependencies) );
TRACE("Service account name = %s\n", debugstr_w(lpServiceConfig->lpServiceStartName) );
TRACE("Display name = %s\n", debugstr_w(lpServiceConfig->lpDisplayName) );
return TRUE;
}
/******************************************************************************
* QueryServiceConfig2A [ADVAPI32.@]
*
* Note
* observed under win2k:
* The functions QueryServiceConfig2A and QueryServiceConfig2W return the same
* required buffer size (in byte) at least for dwLevel SERVICE_CONFIG_DESCRIPTION
*/
BOOL WINAPI QueryServiceConfig2A(SC_HANDLE hService, DWORD dwLevel, LPBYTE buffer,
DWORD size, LPDWORD needed)
{
BOOL ret;
LPBYTE bufferW = NULL;
if(buffer && size)
bufferW = HeapAlloc( GetProcessHeap(), 0, size);
ret = QueryServiceConfig2W(hService, dwLevel, bufferW, size, needed);
if(!ret) goto cleanup;
switch(dwLevel) {
case SERVICE_CONFIG_DESCRIPTION:
if (buffer && bufferW) {
LPSERVICE_DESCRIPTIONA configA = (LPSERVICE_DESCRIPTIONA) buffer;
LPSERVICE_DESCRIPTIONW configW = (LPSERVICE_DESCRIPTIONW) bufferW;
if (configW->lpDescription && (size > sizeof(SERVICE_DESCRIPTIONA))) {
DWORD sz;
configA->lpDescription = (LPSTR)(configA + 1);
sz = WideCharToMultiByte( CP_ACP, 0, configW->lpDescription, -1,
configA->lpDescription, size - sizeof(SERVICE_DESCRIPTIONA), NULL, NULL );
if (!sz) {
FIXME("WideCharToMultiByte failed for configW->lpDescription\n");
ret = FALSE;
configA->lpDescription = NULL;
}
}
else configA->lpDescription = NULL;
}
break;
case SERVICE_CONFIG_PRESHUTDOWN_INFO:
if (buffer && bufferW && *needed<=size)
memcpy(buffer, bufferW, *needed);
break;
default:
FIXME("conversation W->A not implemented for level %d\n", dwLevel);
ret = FALSE;
break;
}
cleanup:
HeapFree( GetProcessHeap(), 0, bufferW);
return ret;
}
/******************************************************************************
* QueryServiceConfig2W [ADVAPI32.@]
*
* See QueryServiceConfig2A.
*/
BOOL WINAPI QueryServiceConfig2W(SC_HANDLE hService, DWORD dwLevel, LPBYTE buffer,
DWORD size, LPDWORD needed)
{
DWORD err;
if(dwLevel!=SERVICE_CONFIG_DESCRIPTION && dwLevel!=SERVICE_CONFIG_PRESHUTDOWN_INFO) {
FIXME("Level %d not implemented\n", dwLevel);
SetLastError(ERROR_INVALID_LEVEL);
return FALSE;
}
if(!buffer && size) {
SetLastError(ERROR_INVALID_ADDRESS);
return FALSE;
}
TRACE("%p 0x%d %p 0x%d %p\n", hService, dwLevel, buffer, size, needed);
__TRY
{
err = svcctl_QueryServiceConfig2W(hService, dwLevel, buffer, size, needed);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
SetLastError( err );
return FALSE;
}
switch (dwLevel)
{
case SERVICE_CONFIG_DESCRIPTION:
if (buffer)
{
SERVICE_DESCRIPTIONW *descr = (SERVICE_DESCRIPTIONW *)buffer;
if (descr->lpDescription) /* make it an absolute pointer */
descr->lpDescription = (WCHAR *)(buffer + (ULONG_PTR)descr->lpDescription);
break;
}
}
return TRUE;
}
/******************************************************************************
* EnumServicesStatusA [ADVAPI32.@]
*/
BOOL WINAPI
EnumServicesStatusA( SC_HANDLE hmngr, DWORD type, DWORD state, LPENUM_SERVICE_STATUSA
services, DWORD size, LPDWORD needed, LPDWORD returned,
LPDWORD resume_handle )
{
BOOL ret;
unsigned int i;
ENUM_SERVICE_STATUSW *servicesW = NULL;
DWORD sz, n;
char *p;
TRACE("%p 0x%x 0x%x %p %u %p %p %p\n", hmngr, type, state, services, size, needed,
returned, resume_handle);
sz = max( 2 * size, sizeof(*servicesW) );
if (!(servicesW = HeapAlloc( GetProcessHeap(), 0, sz )))
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return FALSE;
}
ret = EnumServicesStatusW( hmngr, type, state, servicesW, sz, needed, returned, resume_handle );
if (!ret) goto done;
p = (char *)services + *returned * sizeof(ENUM_SERVICE_STATUSA);
n = size - (p - (char *)services);
ret = FALSE;
for (i = 0; i < *returned; i++)
{
sz = WideCharToMultiByte( CP_ACP, 0, servicesW[i].lpServiceName, -1, p, n, NULL, NULL );
if (!sz) goto done;
services[i].lpServiceName = p;
p += sz;
n -= sz;
if (servicesW[i].lpDisplayName)
{
sz = WideCharToMultiByte( CP_ACP, 0, servicesW[i].lpDisplayName, -1, p, n, NULL, NULL );
if (!sz) goto done;
services[i].lpDisplayName = p;
p += sz;
n -= sz;
}
else services[i].lpDisplayName = NULL;
services[i].ServiceStatus = servicesW[i].ServiceStatus;
}
ret = TRUE;
done:
HeapFree( GetProcessHeap(), 0, servicesW );
return ret;
}
/******************************************************************************
* EnumServicesStatusW [ADVAPI32.@]
*/
BOOL WINAPI
EnumServicesStatusW( SC_HANDLE hmngr, DWORD type, DWORD state, LPENUM_SERVICE_STATUSW
services, DWORD size, LPDWORD needed, LPDWORD returned,
LPDWORD resume_handle )
{
DWORD err, i;
ENUM_SERVICE_STATUSW dummy_status;
TRACE("%p 0x%x 0x%x %p %u %p %p %p\n", hmngr, type, state, services, size, needed,
returned, resume_handle);
if (resume_handle)
FIXME("resume handle not supported\n");
if (!hmngr)
{
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
/* make sure we pass a valid pointer */
if (!services || size < sizeof(*services))
{
services = &dummy_status;
size = sizeof(dummy_status);
}
__TRY
{
err = svcctl_EnumServicesStatusW( hmngr, type, state, (BYTE *)services, size, needed, returned );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
SetLastError( err );
return FALSE;
}
for (i = 0; i < *returned; i++)
{
/* convert buffer offsets into pointers */
services[i].lpServiceName = (WCHAR *)((char *)services + (DWORD_PTR)services[i].lpServiceName);
if (services[i].lpDisplayName)
services[i].lpDisplayName = (WCHAR *)((char *)services + (DWORD_PTR)services[i].lpDisplayName);
}
return TRUE;
}
/******************************************************************************
* EnumServicesStatusExA [ADVAPI32.@]
*/
BOOL WINAPI
EnumServicesStatusExA( SC_HANDLE hmngr, SC_ENUM_TYPE level, DWORD type, DWORD state,
LPBYTE buffer, DWORD size, LPDWORD needed, LPDWORD returned,
LPDWORD resume_handle, LPCSTR group )
{
BOOL ret;
unsigned int i;
ENUM_SERVICE_STATUS_PROCESSA *services = (ENUM_SERVICE_STATUS_PROCESSA *)buffer;
ENUM_SERVICE_STATUS_PROCESSW *servicesW = NULL;
WCHAR *groupW = NULL;
DWORD sz, n;
char *p;
TRACE("%p %u 0x%x 0x%x %p %u %p %p %p %s\n", hmngr, level, type, state, buffer,
size, needed, returned, resume_handle, debugstr_a(group));
sz = max( 2 * size, sizeof(*servicesW) );
if (!(servicesW = HeapAlloc( GetProcessHeap(), 0, sz )))
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return FALSE;
}
if (group)
{
int len = MultiByteToWideChar( CP_ACP, 0, group, -1, NULL, 0 );
if (!(groupW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
HeapFree( GetProcessHeap(), 0, servicesW );
return FALSE;
}
MultiByteToWideChar( CP_ACP, 0, group, -1, groupW, len * sizeof(WCHAR) );
}
ret = EnumServicesStatusExW( hmngr, level, type, state, (BYTE *)servicesW, sz,
needed, returned, resume_handle, groupW );
if (!ret) goto done;
p = (char *)services + *returned * sizeof(ENUM_SERVICE_STATUS_PROCESSA);
n = size - (p - (char *)services);
ret = FALSE;
for (i = 0; i < *returned; i++)
{
sz = WideCharToMultiByte( CP_ACP, 0, servicesW[i].lpServiceName, -1, p, n, NULL, NULL );
if (!sz) goto done;
services[i].lpServiceName = p;
p += sz;
n -= sz;
if (servicesW[i].lpDisplayName)
{
sz = WideCharToMultiByte( CP_ACP, 0, servicesW[i].lpDisplayName, -1, p, n, NULL, NULL );
if (!sz) goto done;
services[i].lpDisplayName = p;
p += sz;
n -= sz;
}
else services[i].lpDisplayName = NULL;
services[i].ServiceStatusProcess = servicesW[i].ServiceStatusProcess;
}
ret = TRUE;
done:
HeapFree( GetProcessHeap(), 0, servicesW );
HeapFree( GetProcessHeap(), 0, groupW );
return ret;
}
/******************************************************************************
* EnumServicesStatusExW [ADVAPI32.@]
*/
BOOL WINAPI
EnumServicesStatusExW( SC_HANDLE hmngr, SC_ENUM_TYPE level, DWORD type, DWORD state,
LPBYTE buffer, DWORD size, LPDWORD needed, LPDWORD returned,
LPDWORD resume_handle, LPCWSTR group )
{
DWORD err, i;
ENUM_SERVICE_STATUS_PROCESSW dummy_status;
ENUM_SERVICE_STATUS_PROCESSW *services = (ENUM_SERVICE_STATUS_PROCESSW *)buffer;
TRACE("%p %u 0x%x 0x%x %p %u %p %p %p %s\n", hmngr, level, type, state, buffer,
size, needed, returned, resume_handle, debugstr_w(group));
if (resume_handle)
FIXME("resume handle not supported\n");
if (level != SC_ENUM_PROCESS_INFO)
{
SetLastError( ERROR_INVALID_LEVEL );
return FALSE;
}
if (!hmngr)
{
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
/* make sure we pass a valid buffer pointer */
if (!services || size < sizeof(*services))
{
buffer = (BYTE *)&dummy_status;
size = sizeof(dummy_status);
}
__TRY
{
err = svcctl_EnumServicesStatusExW( hmngr, type, state, buffer, size, needed,
returned, group );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
if (err != ERROR_SUCCESS)
{
SetLastError( err );
return FALSE;
}
for (i = 0; i < *returned; i++)
{
/* convert buffer offsets into pointers */
services[i].lpServiceName = (WCHAR *)((char *)services + (DWORD_PTR)services[i].lpServiceName);
if (services[i].lpDisplayName)
services[i].lpDisplayName = (WCHAR *)((char *)services + (DWORD_PTR)services[i].lpDisplayName);
}
return TRUE;
}
/******************************************************************************
* GetServiceKeyNameA [ADVAPI32.@]
*/
BOOL WINAPI GetServiceKeyNameA( SC_HANDLE hSCManager, LPCSTR lpDisplayName,
LPSTR lpServiceName, LPDWORD lpcchBuffer )
{
LPWSTR lpDisplayNameW, lpServiceNameW;
DWORD sizeW;
BOOL ret = FALSE;
TRACE("%p %s %p %p\n", hSCManager,
debugstr_a(lpDisplayName), lpServiceName, lpcchBuffer);
lpDisplayNameW = SERV_dup(lpDisplayName);
if (lpServiceName)
lpServiceNameW = HeapAlloc(GetProcessHeap(), 0, *lpcchBuffer * sizeof(WCHAR));
else
lpServiceNameW = NULL;
sizeW = *lpcchBuffer;
if (!GetServiceKeyNameW(hSCManager, lpDisplayNameW, lpServiceNameW, &sizeW))
{
if (lpServiceName && *lpcchBuffer)
lpServiceName[0] = 0;
*lpcchBuffer = sizeW*2; /* we can only provide an upper estimation of string length */
goto cleanup;
}
if (!WideCharToMultiByte(CP_ACP, 0, lpServiceNameW, (sizeW + 1), lpServiceName,
*lpcchBuffer, NULL, NULL ))
{
if (*lpcchBuffer && lpServiceName)
lpServiceName[0] = 0;
*lpcchBuffer = WideCharToMultiByte(CP_ACP, 0, lpServiceNameW, -1, NULL, 0, NULL, NULL);
goto cleanup;
}
/* lpcchBuffer not updated - same as in GetServiceDisplayNameA */
ret = TRUE;
cleanup:
HeapFree(GetProcessHeap(), 0, lpServiceNameW);
HeapFree(GetProcessHeap(), 0, lpDisplayNameW);
return ret;
}
/******************************************************************************
* GetServiceKeyNameW [ADVAPI32.@]
*/
BOOL WINAPI GetServiceKeyNameW( SC_HANDLE hSCManager, LPCWSTR lpDisplayName,
LPWSTR lpServiceName, LPDWORD lpcchBuffer )
{
DWORD err;
WCHAR buffer[2];
DWORD size;
TRACE("%p %s %p %p\n", hSCManager,
debugstr_w(lpDisplayName), lpServiceName, lpcchBuffer);
if (!hSCManager)
{
SetLastError( ERROR_INVALID_HANDLE );
return 0;
}
/* provide a buffer if the caller didn't */
if (!lpServiceName || *lpcchBuffer < 2)
{
lpServiceName = buffer;
/* A size of 1 would be enough, but tests show that Windows returns 2,
* probably because of a WCHAR/bytes mismatch in their code.
*/
*lpcchBuffer = 2;
}
/* RPC call takes size excluding nul-terminator, whereas *lpcchBuffer
* includes the nul-terminator on input. */
size = *lpcchBuffer - 1;
__TRY
{
err = svcctl_GetServiceKeyNameW(hSCManager, lpDisplayName, lpServiceName,
&size);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
/* The value of *lpcchBuffer excludes nul-terminator on output. */
if (err == ERROR_SUCCESS || err == ERROR_INSUFFICIENT_BUFFER)
*lpcchBuffer = size;
if (err)
SetLastError(err);
return err == ERROR_SUCCESS;
}
/******************************************************************************
* QueryServiceLockStatusA [ADVAPI32.@]
*/
BOOL WINAPI QueryServiceLockStatusA( SC_HANDLE hSCManager,
LPQUERY_SERVICE_LOCK_STATUSA lpLockStatus,
DWORD cbBufSize, LPDWORD pcbBytesNeeded)
{
FIXME("%p %p %08x %p\n", hSCManager, lpLockStatus, cbBufSize, pcbBytesNeeded);
return FALSE;
}
/******************************************************************************
* QueryServiceLockStatusW [ADVAPI32.@]
*/
BOOL WINAPI QueryServiceLockStatusW( SC_HANDLE hSCManager,
LPQUERY_SERVICE_LOCK_STATUSW lpLockStatus,
DWORD cbBufSize, LPDWORD pcbBytesNeeded)
{
FIXME("%p %p %08x %p\n", hSCManager, lpLockStatus, cbBufSize, pcbBytesNeeded);
return FALSE;
}
/******************************************************************************
* GetServiceDisplayNameA [ADVAPI32.@]
*/
BOOL WINAPI GetServiceDisplayNameA( SC_HANDLE hSCManager, LPCSTR lpServiceName,
LPSTR lpDisplayName, LPDWORD lpcchBuffer)
{
LPWSTR lpServiceNameW, lpDisplayNameW;
DWORD sizeW;
BOOL ret = FALSE;
TRACE("%p %s %p %p\n", hSCManager,
debugstr_a(lpServiceName), lpDisplayName, lpcchBuffer);
lpServiceNameW = SERV_dup(lpServiceName);
if (lpDisplayName)
lpDisplayNameW = HeapAlloc(GetProcessHeap(), 0, *lpcchBuffer * sizeof(WCHAR));
else
lpDisplayNameW = NULL;
sizeW = *lpcchBuffer;
if (!GetServiceDisplayNameW(hSCManager, lpServiceNameW, lpDisplayNameW, &sizeW))
{
if (lpDisplayName && *lpcchBuffer)
lpDisplayName[0] = 0;
*lpcchBuffer = sizeW*2; /* we can only provide an upper estimation of string length */
goto cleanup;
}
if (!WideCharToMultiByte(CP_ACP, 0, lpDisplayNameW, (sizeW + 1), lpDisplayName,
*lpcchBuffer, NULL, NULL ))
{
if (*lpcchBuffer && lpDisplayName)
lpDisplayName[0] = 0;
*lpcchBuffer = WideCharToMultiByte(CP_ACP, 0, lpDisplayNameW, -1, NULL, 0, NULL, NULL);
goto cleanup;
}
/* probably due to a bug GetServiceDisplayNameA doesn't modify lpcchBuffer on success.
* (but if the function succeeded it means that is a good upper estimation of the size) */
ret = TRUE;
cleanup:
HeapFree(GetProcessHeap(), 0, lpDisplayNameW);
HeapFree(GetProcessHeap(), 0, lpServiceNameW);
return ret;
}
/******************************************************************************
* GetServiceDisplayNameW [ADVAPI32.@]
*/
BOOL WINAPI GetServiceDisplayNameW( SC_HANDLE hSCManager, LPCWSTR lpServiceName,
LPWSTR lpDisplayName, LPDWORD lpcchBuffer)
{
DWORD err;
DWORD size;
WCHAR buffer[2];
TRACE("%p %s %p %p\n", hSCManager,
debugstr_w(lpServiceName), lpDisplayName, lpcchBuffer);
if (!hSCManager)
{
SetLastError( ERROR_INVALID_HANDLE );
return 0;
}
/* provide a buffer if the caller didn't */
if (!lpDisplayName || *lpcchBuffer < 2)
{
lpDisplayName = buffer;
/* A size of 1 would be enough, but tests show that Windows returns 2,
* probably because of a WCHAR/bytes mismatch in their code.
*/
*lpcchBuffer = 2;
}
/* RPC call takes size excluding nul-terminator, whereas *lpcchBuffer
* includes the nul-terminator on input. */
size = *lpcchBuffer - 1;
__TRY
{
err = svcctl_GetServiceDisplayNameW(hSCManager, lpServiceName, lpDisplayName,
&size);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
/* The value of *lpcchBuffer excludes nul-terminator on output. */
if (err == ERROR_SUCCESS || err == ERROR_INSUFFICIENT_BUFFER)
*lpcchBuffer = size;
if (err)
SetLastError(err);
return err == ERROR_SUCCESS;
}
/******************************************************************************
* ChangeServiceConfigW [ADVAPI32.@]
*/
BOOL WINAPI ChangeServiceConfigW( SC_HANDLE hService, DWORD dwServiceType,
DWORD dwStartType, DWORD dwErrorControl, LPCWSTR lpBinaryPathName,
LPCWSTR lpLoadOrderGroup, LPDWORD lpdwTagId, LPCWSTR lpDependencies,
LPCWSTR lpServiceStartName, LPCWSTR lpPassword, LPCWSTR lpDisplayName)
{
DWORD cb_pwd;
DWORD err;
TRACE("%p %d %d %d %s %s %p %p %s %s %s\n",
hService, dwServiceType, dwStartType, dwErrorControl,
debugstr_w(lpBinaryPathName), debugstr_w(lpLoadOrderGroup),
lpdwTagId, lpDependencies, debugstr_w(lpServiceStartName),
debugstr_w(lpPassword), debugstr_w(lpDisplayName) );
cb_pwd = lpPassword ? (strlenW(lpPassword) + 1)*sizeof(WCHAR) : 0;
__TRY
{
err = svcctl_ChangeServiceConfigW(hService, dwServiceType,
dwStartType, dwErrorControl, lpBinaryPathName, lpLoadOrderGroup, lpdwTagId,
(const BYTE *)lpDependencies, multisz_cb(lpDependencies), lpServiceStartName,
(const BYTE *)lpPassword, cb_pwd, lpDisplayName);
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
SetLastError(err);
return err == ERROR_SUCCESS;
}
/******************************************************************************
* ChangeServiceConfigA [ADVAPI32.@]
*/
BOOL WINAPI ChangeServiceConfigA( SC_HANDLE hService, DWORD dwServiceType,
DWORD dwStartType, DWORD dwErrorControl, LPCSTR lpBinaryPathName,
LPCSTR lpLoadOrderGroup, LPDWORD lpdwTagId, LPCSTR lpDependencies,
LPCSTR lpServiceStartName, LPCSTR lpPassword, LPCSTR lpDisplayName)
{
LPWSTR wBinaryPathName, wLoadOrderGroup, wDependencies;
LPWSTR wServiceStartName, wPassword, wDisplayName;
BOOL r;
TRACE("%p %d %d %d %s %s %p %p %s %s %s\n",
hService, dwServiceType, dwStartType, dwErrorControl,
debugstr_a(lpBinaryPathName), debugstr_a(lpLoadOrderGroup),
lpdwTagId, lpDependencies, debugstr_a(lpServiceStartName),
debugstr_a(lpPassword), debugstr_a(lpDisplayName) );
wBinaryPathName = SERV_dup( lpBinaryPathName );
wLoadOrderGroup = SERV_dup( lpLoadOrderGroup );
wDependencies = SERV_dupmulti( lpDependencies );
wServiceStartName = SERV_dup( lpServiceStartName );
wPassword = SERV_dup( lpPassword );
wDisplayName = SERV_dup( lpDisplayName );
r = ChangeServiceConfigW( hService, dwServiceType,
dwStartType, dwErrorControl, wBinaryPathName,
wLoadOrderGroup, lpdwTagId, wDependencies,
wServiceStartName, wPassword, wDisplayName);
HeapFree( GetProcessHeap(), 0, wBinaryPathName );
HeapFree( GetProcessHeap(), 0, wLoadOrderGroup );
HeapFree( GetProcessHeap(), 0, wDependencies );
HeapFree( GetProcessHeap(), 0, wServiceStartName );
HeapFree( GetProcessHeap(), 0, wPassword );
HeapFree( GetProcessHeap(), 0, wDisplayName );
return r;
}
/******************************************************************************
* ChangeServiceConfig2A [ADVAPI32.@]
*/
BOOL WINAPI ChangeServiceConfig2A( SC_HANDLE hService, DWORD dwInfoLevel,
LPVOID lpInfo)
{
BOOL r = FALSE;
TRACE("%p %d %p\n",hService, dwInfoLevel, lpInfo);
if (dwInfoLevel == SERVICE_CONFIG_DESCRIPTION)
{
LPSERVICE_DESCRIPTIONA sd = lpInfo;
SERVICE_DESCRIPTIONW sdw;
sdw.lpDescription = SERV_dup( sd->lpDescription );
r = ChangeServiceConfig2W( hService, dwInfoLevel, &sdw );
HeapFree( GetProcessHeap(), 0, sdw.lpDescription );
}
else if (dwInfoLevel == SERVICE_CONFIG_FAILURE_ACTIONS)
{
LPSERVICE_FAILURE_ACTIONSA fa = lpInfo;
SERVICE_FAILURE_ACTIONSW faw;
faw.dwResetPeriod = fa->dwResetPeriod;
faw.lpRebootMsg = SERV_dup( fa->lpRebootMsg );
faw.lpCommand = SERV_dup( fa->lpCommand );
faw.cActions = fa->cActions;
faw.lpsaActions = fa->lpsaActions;
r = ChangeServiceConfig2W( hService, dwInfoLevel, &faw );
HeapFree( GetProcessHeap(), 0, faw.lpRebootMsg );
HeapFree( GetProcessHeap(), 0, faw.lpCommand );
}
else if (dwInfoLevel == SERVICE_CONFIG_PRESHUTDOWN_INFO)
{
r = ChangeServiceConfig2W( hService, dwInfoLevel, lpInfo);
}
else
SetLastError( ERROR_INVALID_PARAMETER );
return r;
}
/******************************************************************************
* ChangeServiceConfig2W [ADVAPI32.@]
*/
BOOL WINAPI ChangeServiceConfig2W( SC_HANDLE hService, DWORD dwInfoLevel,
LPVOID lpInfo)
{
DWORD err;
__TRY
{
err = svcctl_ChangeServiceConfig2W( hService, dwInfoLevel, lpInfo );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code(GetExceptionCode());
}
__ENDTRY
if (err != ERROR_SUCCESS)
SetLastError(err);
return err == ERROR_SUCCESS;
}
/******************************************************************************
* QueryServiceObjectSecurity [ADVAPI32.@]
*/
BOOL WINAPI QueryServiceObjectSecurity(SC_HANDLE hService,
SECURITY_INFORMATION dwSecurityInformation,
PSECURITY_DESCRIPTOR lpSecurityDescriptor,
DWORD cbBufSize, LPDWORD pcbBytesNeeded)
{
SECURITY_DESCRIPTOR descriptor;
DWORD size;
BOOL succ;
ACL acl;
FIXME("%p %d %p %u %p - semi-stub\n", hService, dwSecurityInformation,
lpSecurityDescriptor, cbBufSize, pcbBytesNeeded);
if (dwSecurityInformation != DACL_SECURITY_INFORMATION)
FIXME("information %d not supported\n", dwSecurityInformation);
InitializeSecurityDescriptor(&descriptor, SECURITY_DESCRIPTOR_REVISION);
InitializeAcl(&acl, sizeof(ACL), ACL_REVISION);
SetSecurityDescriptorDacl(&descriptor, TRUE, &acl, TRUE);
size = cbBufSize;
succ = MakeSelfRelativeSD(&descriptor, lpSecurityDescriptor, &size);
*pcbBytesNeeded = size;
return succ;
}
/******************************************************************************
* SetServiceObjectSecurity [ADVAPI32.@]
*/
BOOL WINAPI SetServiceObjectSecurity(SC_HANDLE hService,
SECURITY_INFORMATION dwSecurityInformation,
PSECURITY_DESCRIPTOR lpSecurityDescriptor)
{
FIXME("%p %d %p\n", hService, dwSecurityInformation, lpSecurityDescriptor);
return TRUE;
}
/******************************************************************************
* SetServiceBits [ADVAPI32.@]
*/
BOOL WINAPI SetServiceBits( SERVICE_STATUS_HANDLE hServiceStatus,
DWORD dwServiceBits,
BOOL bSetBitsOn,
BOOL bUpdateImmediately)
{
FIXME("%p %08x %x %x\n", hServiceStatus, dwServiceBits,
bSetBitsOn, bUpdateImmediately);
return TRUE;
}
/* thunk for calling the RegisterServiceCtrlHandler handler function */
static DWORD WINAPI ctrl_handler_thunk( DWORD control, DWORD type, void *data, void *context )
{
LPHANDLER_FUNCTION func = context;
func( control );
return ERROR_SUCCESS;
}
/******************************************************************************
* RegisterServiceCtrlHandlerA [ADVAPI32.@]
*/
SERVICE_STATUS_HANDLE WINAPI RegisterServiceCtrlHandlerA( LPCSTR name, LPHANDLER_FUNCTION handler )
{
return RegisterServiceCtrlHandlerExA( name, ctrl_handler_thunk, handler );
}
/******************************************************************************
* RegisterServiceCtrlHandlerW [ADVAPI32.@]
*/
SERVICE_STATUS_HANDLE WINAPI RegisterServiceCtrlHandlerW( LPCWSTR name, LPHANDLER_FUNCTION handler )
{
return RegisterServiceCtrlHandlerExW( name, ctrl_handler_thunk, handler );
}
/******************************************************************************
* RegisterServiceCtrlHandlerExA [ADVAPI32.@]
*/
SERVICE_STATUS_HANDLE WINAPI RegisterServiceCtrlHandlerExA( LPCSTR name, LPHANDLER_FUNCTION_EX handler, LPVOID context )
{
LPWSTR nameW;
SERVICE_STATUS_HANDLE ret;
nameW = SERV_dup(name);
ret = RegisterServiceCtrlHandlerExW( nameW, handler, context );
HeapFree( GetProcessHeap(), 0, nameW );
return ret;
}
/******************************************************************************
* RegisterServiceCtrlHandlerExW [ADVAPI32.@]
*/
SERVICE_STATUS_HANDLE WINAPI RegisterServiceCtrlHandlerExW( LPCWSTR lpServiceName,
LPHANDLER_FUNCTION_EX lpHandlerProc, LPVOID lpContext )
{
service_data *service;
SC_HANDLE hService = 0;
BOOL found = FALSE;
TRACE("%s %p %p\n", debugstr_w(lpServiceName), lpHandlerProc, lpContext);
EnterCriticalSection( &service_cs );
if ((service = find_service_by_name( lpServiceName )))
{
service->handler = lpHandlerProc;
service->context = lpContext;
hService = service->handle;
found = TRUE;
}
LeaveCriticalSection( &service_cs );
if (!found) SetLastError(ERROR_SERVICE_DOES_NOT_EXIST);
return (SERVICE_STATUS_HANDLE)hService;
}
/******************************************************************************
* EnumDependentServicesA [ADVAPI32.@]
*/
BOOL WINAPI EnumDependentServicesA( SC_HANDLE hService, DWORD dwServiceState,
LPENUM_SERVICE_STATUSA lpServices, DWORD cbBufSize,
LPDWORD pcbBytesNeeded, LPDWORD lpServicesReturned )
{
FIXME("%p 0x%08x %p 0x%08x %p %p - stub\n", hService, dwServiceState,
lpServices, cbBufSize, pcbBytesNeeded, lpServicesReturned);
*lpServicesReturned = 0;
return TRUE;
}
/******************************************************************************
* EnumDependentServicesW [ADVAPI32.@]
*/
BOOL WINAPI EnumDependentServicesW( SC_HANDLE hService, DWORD dwServiceState,
LPENUM_SERVICE_STATUSW lpServices, DWORD cbBufSize,
LPDWORD pcbBytesNeeded, LPDWORD lpServicesReturned )
{
FIXME("%p 0x%08x %p 0x%08x %p %p - stub\n", hService, dwServiceState,
lpServices, cbBufSize, pcbBytesNeeded, lpServicesReturned);
*lpServicesReturned = 0;
return TRUE;
}
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