Fix a security hole in shell binaries:

[mirror_edk2.git] / PcAtChipsetPkg / KbcResetDxe / ResetEntry.c

/*++\r
\r
Copyright (c) 2009, Intel Corporation                                                         \r
All rights reserved. This program and the accompanying materials                          \r
are licensed and made available under the terms and conditions of the BSD License         \r
which accompanies this distribution.  The full text of the license may be found at        \r
http://opensource.org/licenses/bsd-license.php                                            \r
                                                                                          \r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
\r
\r
\r
--*/\r
\r
#include "Reset.h"\r
\r
//\r
// The handle onto which the Reset Architectural Protocol is installed\r
//\r
EFI_HANDLE  mResetHandle = NULL;\r
\r
\r
EFI_STATUS\r
EFIAPI\r
InitializeReset (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Initialize the state information for the Reset Architectural Protocol\r
\r
Arguments:\r
\r
  ImageHandle of the loaded driver\r
  Pointer to the System Table\r
\r
Returns:\r
\r
  Status\r
\r
  EFI_SUCCESS           - thread can be successfully created\r
  EFI_OUT_OF_RESOURCES  - cannot allocate protocol data structure\r
  EFI_DEVICE_ERROR      - cannot create the timer service\r
\r
--*/\r
// TODO:    SystemTable - add argument and description to function comment\r
{\r
  EFI_STATUS  Status;\r
\r
  //\r
  // Make sure the Reset Architectural Protocol is not already installed in the system\r
  //\r
  ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiResetArchProtocolGuid);\r
\r
  //\r
  // Hook the runtime service table\r
  //\r
  SystemTable->RuntimeServices->ResetSystem = KbcResetSystem;\r
\r
  //\r
  // Now install the Reset RT AP on a new handle\r
  //\r
  Status = gBS->InstallMultipleProtocolInterfaces (\r
                  &mResetHandle,\r
                  &gEfiResetArchProtocolGuid,\r
                  NULL,\r
                  NULL\r
                  );\r
  ASSERT_EFI_ERROR (Status);\r
\r
  return Status;\r
}\r