Re: [edk2-devel] [PATCH V4 6/6] SignedCapsulePkg: Add FMP Capsule Image Header extension

["Xu, Wei6" <wei6.xu@intel.com>]

Thanks for helping update the related version check.
Reviewed-by: Wei6 Xu <wei6.xu@intel.com>

-----Original Message-----
From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Oleksiy Yakovlev
Sent: Wednesday, May 13, 2020 6:06 AM
To: devel@edk2.groups.io
Cc: Gao, Liming <liming.gao@intel.com>; Kinney, Michael D <michael.d.kinney@intel.com>; Wang, Jian J <jian.j.wang@intel.com>; Wu, Hao A <hao.a.wu@intel.com>; Yao, Jiewen <jiewen.yao@intel.com>; Zhang, Chao B <chao.b.zhang@intel.com>; Felixp@ami.com; oleksiyy@ami.com
Subject: [edk2-devel] [PATCH V4 6/6] SignedCapsulePkg: Add FMP Capsule Image Header extension

Add bitmask to structure which gives a binary-inspectable mechanism to determine if a capsule contains an authentication section or depex section.
(UEFI 2.8 errata a, mantis 2026)

Signed-off-by: Oleksiy Yakovlev <oleksiyy@ami.com>
---
 .../RecoveryModuleLoadPei/RecoveryModuleLoadPei.c          | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/SignedCapsulePkg/Universal/RecoveryModuleLoadPei/RecoveryModuleLoadPei.c b/SignedCapsulePkg/Universal/RecoveryModuleLoadPei/RecoveryModuleLoadPei.c
index 53b821c..307060b 100644
--- a/SignedCapsulePkg/Universal/RecoveryModuleLoadPei/RecoveryModuleLoadPei.c
+++ b/SignedCapsulePkg/Universal/RecoveryModuleLoadPei/RecoveryModuleLoa
+++ dPei.c
@@ -328,10 +328,11 @@ ValidateFmpCapsule (
       DEBUG((DEBUG_ERROR, "ImageHeader->Version(0x%x) Unknown\n", ImageHeader->Version));
       return EFI_INVALID_PARAMETER;
     }
-    if (ImageHeader->Version < EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER_INIT_VERSION) {
+    if (ImageHeader->Version == 1) {
       FmpImageHeaderSize = OFFSET_OF(EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER, UpdateHardwareInstance);
+    } else {
+      FmpImageHeaderSize = 
+ OFFSET_OF(EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER, 
+ ImageCapsuleSupport);
     }
-
     // No overflow
     if (FmpImageSize != (UINT64)FmpImageHeaderSize + (UINT64)ImageHeader->UpdateImageSize + (UINT64)ImageHeader->UpdateVendorCodeSize) {
       DEBUG((DEBUG_ERROR, "FmpImageSize(0x%lx) mismatch, UpdateImageSize(0x%x) UpdateVendorCodeSize(0x%x)\n", FmpImageSize, ImageHeader->UpdateImageSize, ImageHeader->UpdateVendorCodeSize));
@@ -639,9 +640,14 @@ ProcessFmpCapsuleImage (
     } else {
       //
       // If the EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER is version 1, only match ImageTypeId.
-      // Header should exclude UpdateHardwareInstance field
+      // Header should exclude UpdateHardwareInstance field.
+      // If version is 2 Header should exclude ImageCapsuleSupport field.
       //
-      Image = (UINT8 *)ImageHeader + OFFSET_OF(EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER, UpdateHardwareInstance);
+      if (ImageHeader->Version == 1) {
+        Image = (UINT8 *)ImageHeader + OFFSET_OF(EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER, UpdateHardwareInstance);
+      } else {
+        Image = (UINT8 *)ImageHeader + OFFSET_OF(EFI_FIRMWARE_MANAGEMENT_CAPSULE_IMAGE_HEADER, ImageCapsuleSupport);
+      }
     }
 
     Status = ProcessRecoveryImage (Image, ImageHeader->UpdateImageSize);
--
2.9.0.windows.1


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