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SecurityPkg: Fix Tcg2 SubmitRequestToPreOSFunction() fail in second times. 

Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction()
has check if current request is same as previous.
But it forget check RequestParameter, which causes
second request fail to process, if RequestParameter
is different.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Yao, Jiewen" <Jiewen.Yao@intel.com>
Reviewed-by: "Zhang, Chao B" <chao.b.zhang@intel.com>
This commit is contained in:
Jiewen Yao 2016-03-09 21:44:40 -08:00 committed by Hao Wu
parent 3a0f8bdef3
commit 6d7c4a25b7
2 changed files with 6 additions and 4 deletions
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5
SecurityPkg/Library/DxeTcg2PhysicalPresenceLib/DxeTcg2PhysicalPresenceLib.c
View File

@ -7,7 +7,7 @@
Tpm2ExecutePendingTpmRequest() will receive untrusted input and do validation.
Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved.<BR>
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
@ -1208,7 +1208,8 @@ Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction (
return TCG_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED;
}
if (PpData.PPRequest != OperationRequest) {
if ((PpData.PPRequest != OperationRequest) ||
(PpData.PPRequestParameter != RequestParameter)) {
PpData.PPRequest = (UINT8)OperationRequest;
PpData.PPRequestParameter = RequestParameter;
DataSize = sizeof (EFI_TCG2_PHYSICAL_PRESENCE);

5
SecurityPkg/Library/SmmTcg2PhysicalPresenceLib/SmmTcg2PhysicalPresenceLib.c
View File

@ -10,7 +10,7 @@
Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction() and Tcg2PhysicalPresenceLibGetUserConfirmationStatusFunction()
will receive untrusted input and do validation.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
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
@ -134,7 +134,8 @@ Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction (
return TCG_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED;
}
if (PpData.PPRequest != OperationRequest) {
if ((PpData.PPRequest != OperationRequest) ||
(PpData.PPRequestParameter != RequestParameter)) {
PpData.PPRequest = (UINT8)OperationRequest;
PpData.PPRequestParameter = RequestParameter;
DataSize = sizeof (EFI_TCG2_PHYSICAL_PRESENCE);