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NetworkPkg/IpSecDxe: Fix wrong IKE header "FLAG" update

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*v2: update the commit log and refine the code comments.

There are three kinds of IKE Exchange process:
#1. Initial Exchange
#2. CREATE_CHILD_SA_Exchange
#3. Information Exchange

The IKE header "FLAG" update is incorrect in #2 and #3 exchange,
which may cause the continue session failure. This patch is used
to correct the updates of IKE header "FLAG" according the RFC4306
section 3.1.

Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Zhang Lubo <lubo.zhang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
This commit is contained in:
Jiaxin Wu
2016-08-15 11:49:56 +08:00
parent 40b83d6114
commit 7822a1d91d
4 changed files with 28 additions and 16 deletions
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14
NetworkPkg/IpSecDxe/Ikev2/ChildSa.c
View File

@@ -76,9 +76,7 @@ Ikev2CreateChildGenerator (
}
if (ChildSaSession->SessionCommon.IsInitiator) {
IkePacket->Header->Flags = IKE_HEADER_FLAGS_CHILD_INIT;
} else {
IkePacket->Header->Flags = IKE_HEADER_FLAGS_RESPOND;
IkePacket->Header->Flags = IKE_HEADER_FLAGS_INIT;
}
} else {
@@ -96,11 +94,13 @@ Ikev2CreateChildGenerator (
}
if (IkeSaSession->SessionCommon.IsInitiator) {
IkePacket->Header->Flags = IKE_HEADER_FLAGS_CHILD_INIT;
} else {
IkePacket->Header->Flags = IKE_HEADER_FLAGS_RESPOND;
IkePacket->Header->Flags = IKE_HEADER_FLAGS_INIT;
}
}
}
if (MessageId != NULL) {
IkePacket->Header->Flags |= IKE_HEADER_FLAGS_RESPOND;
}
//
// According to RFC4306, Chapter 4.