[PATCH v2 2/9] MdePkg/Include/Protocol/Tls.h: pack structures from the TLS RFC

[Laszlo Ersek <lersek@redhat.com>]

The structures defined in RFC 5246 are not to have any padding between
fields or at the end; use the "pack" pragma as necessary.

Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=915
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
---

Notes:
    v2:
    - pick up Siyuan's R-b

 MdePkg/Include/Protocol/Tls.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/MdePkg/Include/Protocol/Tls.h b/MdePkg/Include/Protocol/Tls.h
index 2119f33c0f5b..dafaabcd2a8b 100644
--- a/MdePkg/Include/Protocol/Tls.h
+++ b/MdePkg/Include/Protocol/Tls.h
@@ -138,33 +138,37 @@ typedef enum {
 ///
 /// EFI_TLS_CIPHER
 /// Note: The definition of EFI_TLS_CIPHER definition is from "RFC 5246, A.4.1.
 ///       Hello Messages". The value of EFI_TLS_CIPHER is from TLS Cipher
 ///       Suite Registry of IANA.
 ///
+#pragma pack (1)
 typedef struct {
   UINT8                         Data1;
   UINT8                         Data2;
 } EFI_TLS_CIPHER;
+#pragma pack ()
 
 ///
 /// EFI_TLS_COMPRESSION
 /// Note: The value of EFI_TLS_COMPRESSION definition is from "RFC 3749".
 ///
 typedef UINT8 EFI_TLS_COMPRESSION;
 
 ///
 /// EFI_TLS_EXTENSION
 /// Note: The definition of EFI_TLS_EXTENSION if from "RFC 5246 A.4.1.
 ///       Hello Messages".
 ///
+#pragma pack (1)
 typedef struct {
   UINT16                        ExtensionType;
   UINT16                        Length;
   UINT8                         Data[1];
 } EFI_TLS_EXTENSION;
+#pragma pack ()
 
 ///
 /// EFI_TLS_VERIFY
 /// Use either EFI_TLS_VERIFY_NONE or EFI_TLS_VERIFY_PEER, the last two options
 /// are 'ORed' with EFI_TLS_VERIFY_PEER if they are desired.
 ///
@@ -191,35 +195,41 @@ typedef UINT32  EFI_TLS_VERIFY;
 
 ///
 /// EFI_TLS_RANDOM
 /// Note: The definition of EFI_TLS_RANDOM is from "RFC 5246 A.4.1.
 ///       Hello Messages".
 ///
+#pragma pack (1)
 typedef struct {
   UINT32                        GmtUnixTime;
   UINT8                         RandomBytes[28];
 } EFI_TLS_RANDOM;
+#pragma pack ()
 
 ///
 /// EFI_TLS_MASTER_SECRET
 /// Note: The definition of EFI_TLS_MASTER_SECRET is from "RFC 5246 8.1.
 ///       Computing the Master Secret".
 ///
+#pragma pack (1)
 typedef struct {
   UINT8                         Data[48];
 } EFI_TLS_MASTER_SECRET;
+#pragma pack ()
 
 ///
 /// EFI_TLS_SESSION_ID
 /// Note: The definition of EFI_TLS_SESSION_ID is from "RFC 5246 A.4.1. Hello Messages".
 ///
 #define MAX_TLS_SESSION_ID_LENGTH  32
+#pragma pack (1)
 typedef struct {
   UINT16                        Length;
   UINT8                         Data[MAX_TLS_SESSION_ID_LENGTH];
 } EFI_TLS_SESSION_ID;
+#pragma pack ()
 
 ///
 /// EFI_TLS_SESSION_STATE
 ///
 typedef enum {
   ///
-- 
2.14.1.3.gb7cf6e02401b