40 lines
907 B
C
40 lines
907 B
C
/** @file
|
|
|
|
OcGuardLib
|
|
|
|
Copyright (c) 2018, vit9696
|
|
|
|
All rights reserved.
|
|
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
//
|
|
// TODO: For the cookie to work for security needs, the value is to be runtime
|
|
// generated, e.g. with rdrand. For now this code is only written to help debugging
|
|
// stack corruptions.
|
|
//
|
|
UINT64 __security_cookie = 0x9C7D6B4580C0BC9ULL;
|
|
|
|
VOID
|
|
__security_check_cookie (
|
|
IN UINTN Value
|
|
)
|
|
{
|
|
volatile UINTN Index;
|
|
|
|
if (Value != (UINTN) __security_cookie) {
|
|
Index = 0;
|
|
while (Index == 0)
|
|
{
|
|
}
|
|
}
|
|
}
|