windows-server-2003/drivers/wdm/input/hidclass/security.c

/*++

Copyright (c) 1996  Microsoft Corporation

Module Name:

    security.c

Abstract

    Security routines.

    Note: This file uses NTDDK.H, which is blocked out by WDM.H .
          So it does not include PCH.H et al.

Author:

    Ervin P.

Environment:

    Kernel mode only

Revision History:


--*/

#include "pch.h"


/*
 *  Copied from ntrtl.h, which won't compile here.
 */
__inline LUID RtlConvertLongToLuid(LONG Long)
{
    LUID TempLuid;
    LARGE_INTEGER TempLi;

    TempLi = RtlConvertLongToLargeInteger(Long);
    TempLuid.LowPart = TempLi.LowPart;
    TempLuid.HighPart = TempLi.HighPart;
    return(TempLuid);
}

NTKERNELAPI BOOLEAN SeSinglePrivilegeCheck(LUID PrivilegeValue, KPROCESSOR_MODE PreviousMode);




BOOLEAN MyPrivilegeCheck(PIRP Irp)
{
    BOOLEAN result;
    
    #if DBG
        if (dbgSkipSecurity){
            return TRUE;
        }
    #endif

    {
        #ifndef SE_TCB_PRIVILEGE
            #define SE_TCB_PRIVILEGE (7L)
        #endif
        LUID priv = RtlConvertLongToLuid(SE_TCB_PRIVILEGE);
        result = SeSinglePrivilegeCheck(priv, Irp->RequestorMode);
    }
    return result;
}