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fixed returning the reference to the token in SeCopyClientToken() and probe pointer when neccessary

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svn path=/trunk/; revision=13524
This commit is contained in:
Thomas Bluemel 2005-02-13 13:03:44 +00:00
parent 9e0d358564
commit ecc1462959
1 changed files with 34 additions and 6 deletions
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40
reactos/ntoskrnl/se/token.c
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@ -131,13 +131,32 @@ SepDuplicateToken(PTOKEN Token,
KPROCESSOR_MODE PreviousMode,
PTOKEN* NewAccessToken)
{
NTSTATUS Status;
ULONG uLength;
ULONG i;
PVOID EndMem;
PTOKEN AccessToken;
NTSTATUS Status;
if(PreviousMode != KernelMode)
{
Status = STATUS_SUCCESS;
_SEH_TRY
{
ProbeForWrite(NewAccessToken,
sizeof(TOKEN),
sizeof(ULONG));
}
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
if(!NT_SUCCESS(Status))
{
return Status;
}
}
Status = ObCreateObject(PreviousMode,
SepTokenObjectType,
@ -244,8 +263,17 @@ SepDuplicateToken(PTOKEN Token,
if ( NT_SUCCESS(Status) )
{
*NewAccessToken = AccessToken;
return(STATUS_SUCCESS);
_SEH_TRY
{
*NewAccessToken = AccessToken;
Status = STATUS_SUCCESS;
}
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
return Status;
}
ObDereferenceObject(AccessToken);
@ -320,7 +348,7 @@ SeCopyClientToken(PACCESS_TOKEN Token,
TokenImpersonation,
Level,
PreviousMode,
(PTOKEN*)&NewToken);
(PTOKEN*)NewToken);
return(Status);
}