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RtlImpersonateSelf(): Set impersonation level in call to NtDuplicateToken().

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svn path=/trunk/; revision=10106
This commit is contained in:
Eric Kohl 2004-07-13 11:52:09 +00:00
parent 3ed7b52fb9
commit 3e7bd9bd79
1 changed files with 12 additions and 17 deletions
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29
reactos/lib/rtl/security.c
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@ -1,4 +1,4 @@
/* $Id: security.c,v 1.1 2004/05/31 19:29:02 gdalsnes Exp $ /* $Id: security.c,v 1.2 2004/07/13 11:52:09 ekohl Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -24,8 +24,6 @@
NTSTATUS STDCALL NTSTATUS STDCALL
RtlImpersonateSelf(IN SECURITY_IMPERSONATION_LEVEL ImpersonationLevel) RtlImpersonateSelf(IN SECURITY_IMPERSONATION_LEVEL ImpersonationLevel)
{ {
OBJECT_ATTRIBUTES ObjectAttributes;
SECURITY_QUALITY_OF_SERVICE SecQos;
HANDLE ProcessToken; HANDLE ProcessToken;
HANDLE ImpersonationToken; HANDLE ImpersonationToken;
NTSTATUS Status; NTSTATUS Status;
@ -34,28 +32,20 @@ RtlImpersonateSelf(IN SECURITY_IMPERSONATION_LEVEL ImpersonationLevel)
TOKEN_DUPLICATE, TOKEN_DUPLICATE,
&ProcessToken); &ProcessToken);
if (!NT_SUCCESS(Status)) if (!NT_SUCCESS(Status))
{
DPRINT1("NtOpenProcessToken() failed (Status %lx)\n", Status);
return(Status); return(Status);
}
SecQos.Length = sizeof(SECURITY_QUALITY_OF_SERVICE);
SecQos.ImpersonationLevel = ImpersonationLevel;
SecQos.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING;
SecQos.EffectiveOnly = FALSE;
ObjectAttributes.Length = sizeof(OBJECT_ATTRIBUTES);
ObjectAttributes.RootDirectory = 0;
ObjectAttributes.ObjectName = NULL;
ObjectAttributes.Attributes = 0;
ObjectAttributes.SecurityDescriptor = NULL;
ObjectAttributes.SecurityQualityOfService = &SecQos;
Status = NtDuplicateToken(ProcessToken, Status = NtDuplicateToken(ProcessToken,
TOKEN_IMPERSONATE, TOKEN_IMPERSONATE,
&ObjectAttributes, NULL,
0, ImpersonationLevel,
TokenImpersonation, TokenImpersonation,
&ImpersonationToken); &ImpersonationToken);
if (!NT_SUCCESS(Status)) if (!NT_SUCCESS(Status))
{ {
DPRINT1("NtDuplicateToken() failed (Status %lx)\n", Status);
NtClose(ProcessToken); NtClose(ProcessToken);
return(Status); return(Status);
} }
@ -64,6 +54,11 @@ RtlImpersonateSelf(IN SECURITY_IMPERSONATION_LEVEL ImpersonationLevel)
ThreadImpersonationToken, ThreadImpersonationToken,
&ImpersonationToken, &ImpersonationToken,
sizeof(HANDLE)); sizeof(HANDLE));
if (!NT_SUCCESS(Status))
{
DPRINT1("NtSetInformationThread() failed (Status %lx)\n", Status);
}
NtClose(ImpersonationToken); NtClose(ImpersonationToken);
NtClose(ProcessToken); NtClose(ProcessToken);