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MdeModulePkg/Network: Fix potential ASSERT if NetIp4IsUnicast is called

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Cc: Hegde Nagaraj P <nagaraj-p.hegde@hpe.com>
Cc: Subramanian Sriram <sriram-s@hpe.com>
Cc: Zhang Lubo <lubo.zhang@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Hegde Nagaraj P <nagaraj-p.hegde@hpe.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Sriram Subramanian <sriram-s@hpe.com>
This commit is contained in:
Jiaxin Wu
2017-03-21 11:36:04 +08:00
parent cab6b79cf4
commit d0e76ac5ce
5 changed files with 16 additions and 12 deletions
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5
MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c
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@ -1,7 +1,7 @@
/** @file
Implementation of TCP4 protocol services.
Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2005 - 2017, Intel Corporation. All rights reserved.<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
@ -183,7 +183,8 @@ Tcp4Configure (
CopyMem (&Ip, &TcpConfigData->AccessPoint.StationAddress, sizeof (IP4_ADDR));
CopyMem (&SubnetMask, &TcpConfigData->AccessPoint.SubnetMask, sizeof (IP4_ADDR));
if (!IP4_IS_VALID_NETMASK (NTOHL (SubnetMask)) || !NetIp4IsUnicast (NTOHL (Ip), NTOHL (SubnetMask))) {
if (!IP4_IS_VALID_NETMASK (NTOHL (SubnetMask)) ||
(SubnetMask != 0 && !NetIp4IsUnicast (NTOHL (Ip), NTOHL (SubnetMask)))) {
return EFI_INVALID_PARAMETER;
}
}