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fixed ProcessIdToSessionId()

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svn path=/trunk/; revision=11161
This commit is contained in:
Thomas Bluemel 2004-10-02 21:14:08 +00:00
parent 3f75c451d1
commit b26683b0b3
2 changed files with 48 additions and 40 deletions
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4
reactos/lib/kernel32/process/proc.c
View file

@ -1,4 +1,4 @@
/* $Id: proc.c,v 1.68 2004/09/23 19:01:38 weiden Exp $
/* $Id: proc.c,v 1.69 2004/10/02 21:14:08 weiden Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
@ -356,7 +356,7 @@ OpenProcess(DWORD dwDesiredAccess,
NTSTATUS errCode;
HANDLE ProcessHandle;
OBJECT_ATTRIBUTES ObjectAttributes;
CLIENT_ID ClientId ;
CLIENT_ID ClientId;
ClientId.UniqueProcess = (HANDLE)dwProcessId;
ClientId.UniqueThread = INVALID_HANDLE_VALUE;

84
reactos/lib/kernel32/process/session.c
View file

@ -1,4 +1,4 @@
/* $Id: session.c,v 1.6 2004/09/23 21:01:23 ea Exp $
/* $Id: session.c,v 1.7 2004/10/02 21:14:08 weiden Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
@ -48,44 +48,52 @@ DosPathToSessionPathA (DWORD SessionId, LPSTR InPath, LPSTR * OutPath)
BOOL STDCALL ProcessIdToSessionId (IN DWORD dwProcessId,
OUT DWORD* pSessionId)
{
NTSTATUS Status = STATUS_SUCCESS;
HANDLE ProcessHandle = INVALID_HANDLE_VALUE;
OBJECT_ATTRIBUTES Oa = { sizeof (OBJECT_ATTRIBUTES), 0, };
DWORD SessionId = 0;
PROCESS_SESSION_INFORMATION SessionInformation;
OBJECT_ATTRIBUTES ObjectAttributes;
CLIENT_ID ClientId;
HANDLE ProcessHandle;
NTSTATUS Status;
if(IsBadWritePtr(pSessionId, sizeof(DWORD)))
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
ClientId.UniqueProcess = (HANDLE)dwProcessId;
ClientId.UniqueThread = INVALID_HANDLE_VALUE;
if (IsBadWritePtr(pSessionId, sizeof (DWORD)))
{
SetLastError (ERROR_INVALID_DATA); //FIXME
goto ProcessIdToSessionId_FAIL_EXIT;
}
Status = NtOpenProcess (
& ProcessHandle,
PROCESS_QUERY_INFORMATION,
& Oa,
NULL);
if (!NT_SUCCESS(Status))
{
goto ProcessIdToSessionId_FAIL;
}
Status = NtQueryInformationProcess (
ProcessHandle,
ProcessSessionInformation,
& SessionId,
sizeof SessionId,
NULL);
if (!NT_SUCCESS(Status))
{
NtClose (ProcessHandle);
goto ProcessIdToSessionId_FAIL;
}
NtClose (ProcessHandle);
*pSessionId = SessionId;
return TRUE;
ProcessIdToSessionId_FAIL:
SetLastErrorByStatus(Status);
ProcessIdToSessionId_FAIL_EXIT:
return FALSE;
InitializeObjectAttributes(&ObjectAttributes, NULL, 0, NULL, NULL);
Status = NtOpenProcess(&ProcessHandle,
PROCESS_QUERY_INFORMATION,
&ObjectAttributes,
&ClientId);
if(NT_SUCCESS(Status))
{
Status = NtQueryInformationProcess(ProcessHandle,
ProcessSessionInformation,
&SessionInformation,
sizeof(SessionInformation),
NULL);
NtClose(ProcessHandle);
if(NT_SUCCESS(Status))
{
*pSessionId = SessionInformation.SessionId;
return TRUE;
}
else
{
SetLastErrorByStatus(Status);
}
}
else
{
SetLastErrorByStatus(Status);
}
return FALSE;
}
/*