[PATCH V7 6/6] SignedCapsulePkg: Add FMP Capsule Image Header extension

["Oleksiy Yakovlev" <oleksiyy@ami.com>]

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>

Reviewed-by: Wei6 Xu <wei6.xu@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>
---
 .../RecoveryModuleLoadPei/RecoveryModuleLoadPei.c      | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/SignedCapsulePkg/Universal/RecoveryModuleLoadPei/RecoveryModuleLoadPei.c b/SignedCapsulePkg/Universal/RecoveryModuleLoadPei/RecoveryModuleLoadPei.c
index 53b821c..12cc235 100644
--- a/SignedCapsulePkg/Universal/RecoveryModuleLoadPei/RecoveryModuleLoadPei.c
+++ b/SignedCapsulePkg/Universal/RecoveryModuleLoadPei/RecoveryModuleLoadPei.c
@@ -328,10 +328,15 @@ 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) {
+    ///
+    /// Current Init ImageHeader version is 3. UpdateHardwareInstance field was added in version 2
+    /// and ImageCapsuleSupport field was added in version 3
+    ///
+    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 +644,14 @@ 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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