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LookupPrivilege Value function always return true irrespective of privilege status


I am using LookupPrivilege Value to check whether SE_TCB_NAME privilege
exists for the user or not in windows 2000 .The value returned from
LookupPrivilege Value function is always true.i checked in
administartive tools for the right act as part of operating
system[SE_TCB_NAME privilege] is disabled .my code is below

[StructLayout(La youtKind.Sequen tial)]

public struct LUID

public int LowPart;

public int HighPart;

[StructLayout(La youtKind.Sequen tial)]
public struct LUID_AND_ATTRIB UTES
public LUID Luid;
public int Attributes;


[DllImport("adva pi32.dll", CharSet=CharSet .Auto)]
public static extern System.Boolean LookupPrivilege Value(string
lpSystemName,st ring lpName,[MarshalAs(Unman agedType.Struct )] ref LUID
internal const string SE_TCB_NAME = "SeTcbPrivilege ";
//calling LookupPrivilege Value function from main
LUID tLUID = new LUID();

bool ret=LookupPrivi legeValue(null , SE_TCB_NAME, ref tLUID);
The value for ret is always true.Is there any mistake in calling
LookupPrivilege Value function.
my program need is to check whether SE_TCB_NAME privilege exists for
the user or not.
Please help me out to solve the problem.


Jan 4 '06 #1
1 3340
The value for ret is always true.Is there any mistake in calling
LookupPrivileg eValue function.
my program need is to check whether SE_TCB_NAME privilege exists for
the user or not.

Then you shouldn't use LookupPrivilege Value, it simply does a name to
LUID lookup. Try GetTokenInforma tion(TokenPrivi leges) instead.

Mattias Sjögren [C# MVP] mattias @ mvps.org
http://www.msjogren.net/dotnet/ | http://www.dotnetinterop.com
Please reply only to the newsgroup.
Jan 4 '06 #2

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