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advapi32: Reimplement EnumServicesStatusW() on top of EnumServicesStatusExW(). 

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-04-27 22:35:34 -05:00 committed by Alexandre Julliard
parent c0977fcbec
commit d01f58a3f2
2 changed files with 57 additions and 75 deletions
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130
dlls/advapi32/service.c
View File

@ -1749,109 +1749,91 @@ done:
* 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 )
EnumServicesStatusW( SC_HANDLE manager, DWORD type, DWORD state, ENUM_SERVICE_STATUSW *status,
DWORD size, DWORD *ret_size, DWORD *ret_count, DWORD *resume_handle )
{
DWORD err, i, offset, buflen, count, total_size = 0;
struct enum_service_status *entry;
const WCHAR *str;
BYTE *buf;
ENUM_SERVICE_STATUS_PROCESSW *status_ex;
DWORD alloc_size, count, i;
WCHAR *p;
TRACE("%p 0x%x 0x%x %p %u %p %p %p\n", hmngr, type, state, services, size, needed,
returned, resume_handle);
TRACE("%p 0x%x 0x%x %p %u %p %p %p\n", manager, type, state, status, size,
ret_size, ret_count, resume_handle);
if (!hmngr)
if (!manager)
{
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
if (!needed || !returned)
if (!ret_size || !ret_count)
{
SetLastError( ERROR_INVALID_ADDRESS );
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
/* make sure we pass a valid pointer */
buflen = max( size, sizeof(*services) );
if (!(buf = heap_alloc( buflen )))
*ret_size = 0;
*ret_count = 0;
if (!EnumServicesStatusExW( manager, SC_ENUM_PROCESS_INFO, type, state,
NULL, 0, &alloc_size, &count, resume_handle, NULL )
&& GetLastError() != ERROR_MORE_DATA)
return FALSE;
if (!(status_ex = heap_alloc( alloc_size )))
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return FALSE;
}
__TRY
if (!EnumServicesStatusExW( manager, SC_ENUM_PROCESS_INFO, type, state, (BYTE *)status_ex,
alloc_size, &alloc_size, &count, resume_handle, NULL )
&& GetLastError() != ERROR_MORE_DATA)
{
err = svcctl_EnumServicesStatusW( hmngr, type, state, buf, buflen, needed, &count, resume_handle );
}
__EXCEPT(rpc_filter)
{
err = map_exception_code( GetExceptionCode() );
}
__ENDTRY
*returned = 0;
if (err != ERROR_SUCCESS)
{
/* double the needed size to fit the potentially larger ENUM_SERVICE_STATUSW */
if (err == ERROR_MORE_DATA) *needed *= 2;
heap_free( buf );
SetLastError( err );
heap_free( status_ex );
return FALSE;
}
entry = (struct enum_service_status *)buf;
for (i = 0; i < count; i++)
{
total_size += sizeof(*services);
if (entry->service_name)
{
str = (const WCHAR *)(buf + entry->service_name);
total_size += (strlenW( str ) + 1) * sizeof(WCHAR);
}
if (entry->display_name)
{
str = (const WCHAR *)(buf + entry->display_name);
total_size += (strlenW( str ) + 1) * sizeof(WCHAR);
}
entry++;
*ret_size += sizeof(ENUM_SERVICE_STATUSW);
*ret_size += (strlenW( status_ex[i].lpServiceName ) + 1) * sizeof(WCHAR);
if (status_ex[i].lpDisplayName)
*ret_size += (strlenW( status_ex[i].lpDisplayName ) + 1) * sizeof(WCHAR);
if (*ret_size <= size)
++*ret_count;
}
if (total_size > size)
p = (WCHAR *)(status + *ret_count);
for (i = 0; i < *ret_count; i++)
{
strcpyW( p, status_ex[i].lpServiceName );
status[i].lpServiceName = (WCHAR *)p;
p += strlenW( p ) + 1;
if (status_ex[i].lpDisplayName)
{
strcpyW( p, status_ex[i].lpDisplayName );
status[i].lpDisplayName = (WCHAR *)p;
p += strlenW( p ) + 1;
}
else status[i].lpDisplayName = NULL;
status[i].ServiceStatus.dwServiceType = status_ex[i].ServiceStatusProcess.dwServiceType;
status[i].ServiceStatus.dwCurrentState = status_ex[i].ServiceStatusProcess.dwCurrentState;
status[i].ServiceStatus.dwControlsAccepted = status_ex[i].ServiceStatusProcess.dwControlsAccepted;
status[i].ServiceStatus.dwWin32ExitCode = status_ex[i].ServiceStatusProcess.dwWin32ExitCode;
status[i].ServiceStatus.dwServiceSpecificExitCode = status_ex[i].ServiceStatusProcess.dwServiceSpecificExitCode;
status[i].ServiceStatus.dwCheckPoint = status_ex[i].ServiceStatusProcess.dwCheckPoint;
status[i].ServiceStatus.dwWaitHint = status_ex[i].ServiceStatusProcess.dwWaitHint;
}
heap_free( status_ex );
if (*ret_size > size)
{
heap_free( buf );
*needed = total_size;
SetLastError( ERROR_MORE_DATA );
return FALSE;
}
offset = count * sizeof(*services);
entry = (struct enum_service_status *)buf;
for (i = 0; i < count; i++)
{
DWORD str_size;
str = (const WCHAR *)(buf + entry->service_name);
str_size = (strlenW( str ) + 1) * sizeof(WCHAR);
services[i].lpServiceName = (WCHAR *)((char *)services + offset);
memcpy( services[i].lpServiceName, str, str_size );
offset += str_size;
if (!entry->display_name) services[i].lpDisplayName = NULL;
else
{
str = (const WCHAR *)(buf + entry->display_name);
str_size = (strlenW( str ) + 1) * sizeof(WCHAR);
services[i].lpDisplayName = (WCHAR *)((char *)services + offset);
memcpy( services[i].lpDisplayName, str, str_size );
offset += str_size;
}
services[i].ServiceStatus = entry->service_status;
entry++;
}
heap_free( buf );
*needed = 0;
*returned = count;
*ret_size = 0;
return TRUE;
}

2
dlls/advapi32/tests/service.c
View File

@ -1339,7 +1339,7 @@ static void test_enum_svc(void)
services, bufsize, &needed, &returned, &resume);
ok(ret, "Expected success, got error %u\n", GetLastError());
ok(needed == 0, "Expected needed buffer to be 0 as we are done\n");
ok(returned == missing, "Expected %u services to be returned\n", missing);
todo_wine ok(returned == missing, "Expected %u services to be returned\n", missing);
ok(resume == 0, "Expected the resume handle to be 0\n");
HeapFree(GetProcessHeap(), 0, services);