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[ADVAPI32]

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QueryServiceLockStatusA/W: If lpLockStatus is NULL or cbBufSize is less than sizeof(QUERY_SERVICE_LOCK_STATUSA/W) pass a pointer to an buffer to RQueryServiceLockStatusA/W.

svn path=/trunk/; revision=53356
This commit is contained in:
Eric Kohl 2011-08-21 14:04:19 +00:00
parent eb378e4c86
commit fd4c31bc62
1 changed files with 38 additions and 10 deletions
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48
reactos/dll/win32/advapi32/service/scm.c
View file

@ -2309,16 +2309,30 @@ QueryServiceLockStatusA(SC_HANDLE hSCManager,
DWORD cbBufSize,
LPDWORD pcbBytesNeeded)
{
QUERY_SERVICE_LOCK_STATUSA LockStatus;
LPQUERY_SERVICE_LOCK_STATUSA lpStatusPtr;
DWORD dwBufferSize;
DWORD dwError;
TRACE("QueryServiceLockStatusA() called\n");
if (lpLockStatus == NULL || cbBufSize < sizeof(QUERY_SERVICE_LOCK_STATUSA))
{
lpStatusPtr = &LockStatus;
dwBufferSize = sizeof(QUERY_SERVICE_LOCK_STATUSA);
}
else
{
lpStatusPtr = lpLockStatus;
dwBufferSize = cbBufSize;
}
RpcTryExcept
{
/* Call to services.exe using RPC */
dwError = RQueryServiceLockStatusA((SC_RPC_HANDLE)hSCManager,
lpLockStatus,
cbBufSize,
lpStatusPtr,
dwBufferSize,
pcbBytesNeeded);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
@ -2334,10 +2348,10 @@ QueryServiceLockStatusA(SC_HANDLE hSCManager,
return FALSE;
}
if (lpLockStatus->lpLockOwner != NULL)
if (lpStatusPtr->lpLockOwner != NULL)
{
lpLockStatus->lpLockOwner =
(LPSTR)((UINT_PTR)lpLockStatus + (UINT_PTR)lpLockStatus->lpLockOwner);
lpStatusPtr->lpLockOwner =
(LPSTR)((UINT_PTR)lpStatusPtr + (UINT_PTR)lpStatusPtr->lpLockOwner);
}
TRACE("QueryServiceLockStatusA() done\n");
@ -2357,16 +2371,30 @@ QueryServiceLockStatusW(SC_HANDLE hSCManager,
DWORD cbBufSize,
LPDWORD pcbBytesNeeded)
{
QUERY_SERVICE_LOCK_STATUSW LockStatus;
LPQUERY_SERVICE_LOCK_STATUSW lpStatusPtr;
DWORD dwBufferSize;
DWORD dwError;
TRACE("QueryServiceLockStatusW() called\n");
if (lpLockStatus == NULL || cbBufSize < sizeof(QUERY_SERVICE_LOCK_STATUSW))
{
lpStatusPtr = &LockStatus;
dwBufferSize = sizeof(QUERY_SERVICE_LOCK_STATUSW);
}
else
{
lpStatusPtr = lpLockStatus;
dwBufferSize = cbBufSize;
}
RpcTryExcept
{
/* Call to services.exe using RPC */
dwError = RQueryServiceLockStatusW((SC_RPC_HANDLE)hSCManager,
lpLockStatus,
cbBufSize,
lpStatusPtr,
dwBufferSize,
pcbBytesNeeded);
}
RpcExcept(EXCEPTION_EXECUTE_HANDLER)
@ -2382,10 +2410,10 @@ QueryServiceLockStatusW(SC_HANDLE hSCManager,
return FALSE;
}
if (lpLockStatus->lpLockOwner != NULL)
if (lpStatusPtr->lpLockOwner != NULL)
{
lpLockStatus->lpLockOwner =
(LPWSTR)((UINT_PTR)lpLockStatus + (UINT_PTR)lpLockStatus->lpLockOwner);
lpStatusPtr->lpLockOwner =
(LPWSTR)((UINT_PTR)lpStatusPtr + (UINT_PTR)lpStatusPtr->lpLockOwner);
}
TRACE("QueryServiceLockStatusW() done\n");