Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Samer El-Haj-Mahmoud <el...@hpe.com>
---
.../Library/DxeImageVerificationLib/DxeImageVerificationLib.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git
a/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
b/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
index 4b4d3bf..b694e10 100644
--- a/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
+++ b/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
@@ -13,6 +13,7 @@
untrusted PE/COFF image and validate its data structure within this image
buffer before use.
Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>
+(C) Copyright 2015 Hewlett Packard Enterprise Development LP<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
@@ -2259,6 +2260,7 @@ DxeImageVerificationHandler (
//
// The information can't be got from the invalid PeImage
//
+ DEBUG ((DEBUG_ERROR, "DxeImageVerificationLib: PeImage invalid. Cannot
retrieve image information.\n"));
goto Done;
}
@@ -2282,6 +2284,7 @@ DxeImageVerificationHandler (
//
// It is not a valid Pe/Coff file.
//
+ DEBUG ((DEBUG_ERROR, "DxeImageVerificationLib: Not a valid PE/COFF
image.\n"));
goto Done;
}
@@ -2327,6 +2330,7 @@ DxeImageVerificationHandler (
// and not be reflected in the security data base "dbx".
//
if (!HashPeImage (HASHALG_SHA256)) {
+ DEBUG ((DEBUG_ERROR, "DxeImageVerificationLib: Failed to hash this image
using SHA256.\n"));
goto Done;
}
@@ -2334,6 +2338,7 @@ DxeImageVerificationHandler (
//
// Image Hash is in forbidden database (DBX).
//
+ DEBUG ((DEBUG_ERROR, "DxeImageVerificationLib: Image is not signed and
SHA256 hash of image is in DBX.\n"));
goto Done;
}
@@ -2347,6 +2352,7 @@ DxeImageVerificationHandler (
//
// Image Hash is not found in both forbidden and allowed database.
//
+ DEBUG ((DEBUG_ERROR, "DxeImageVerificationLib: Image is not signed and
SHA256 hash of image is not found in DB/DBX.\n"));
goto Done;
}
@@ -2409,6 +2415,7 @@ DxeImageVerificationHandler (
if (IsForbiddenByDbx (AuthData, AuthDataSize, FALSE, NULL, NULL)) {
Action = EFI_IMAGE_EXECUTION_AUTH_SIG_FAILED;
VerifyStatus = EFI_ACCESS_DENIED;
+ DEBUG ((DEBUG_ERROR, "DxeImageVerificationLib: Image is signed but
signature is rejcected by DBX.\n"));
break;
}
@@ -2426,6 +2433,7 @@ DxeImageVerificationHandler (
//
if (IsSignatureFoundInDatabase (EFI_IMAGE_SECURITY_DATABASE1,
mImageDigest, &mCertType, mImageDigestSize)) {
Action = EFI_IMAGE_EXECUTION_AUTH_SIG_FOUND;
+ DEBUG ((DEBUG_ERROR, "DxeImageVerificationLib: Image is signed but
digital signature failed validation and SHA256 hash of image is in DBX.\n"));
VerifyStatus = EFI_ACCESS_DENIED;
break;
} else if (EFI_ERROR (VerifyStatus)) {
--
2.6.3.windows.1
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