diff options
Diffstat (limited to 'MdeModulePkg/Library')
-rw-r--r-- | MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c | 78 | ||||
-rw-r--r-- | MdeModulePkg/Library/DxeUdpIoLib/DxeUdpIoLib.c | 23 |
2 files changed, 72 insertions, 29 deletions
diff --git a/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c b/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c index cc93c2b89c..ab4df80768 100644 --- a/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c +++ b/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c @@ -2,7 +2,7 @@ IpIo Library.
(C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
-Copyright (c) 2005 - 2009, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2005 - 2016, 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
@@ -1029,42 +1029,56 @@ IpIoListenHandlerDpc ( if (IpIo->IpVersion == IP_VERSION_4) {
if ((EFI_IP4 (RxData->Ip4RxData.Header->SourceAddress) != 0) &&
- !NetIp4IsUnicast (EFI_NTOHL (((EFI_IP4_RECEIVE_DATA *) RxData)->Header->SourceAddress), 0)) {
+ !NetIp4IsUnicast (EFI_NTOHL (((EFI_IP4_RECEIVE_DATA *) RxData)->Header->SourceAddress), 0)) {
+ //
+ // The source address is not zero and it's not a unicast IP address, discard it.
+ //
+ goto CleanUp;
+ }
+
+ if (RxData->Ip4RxData.DataLength == 0) {
+ //
+ // Discard zero length data payload packet.
+ //
+ goto CleanUp;
+ }
+
//
- // The source address is not zero and it's not a unicast IP address, discard it.
+ // Create a netbuffer representing IPv4 packet
//
- goto CleanUp;
- }
-
- //
- // Create a netbuffer representing IPv4 packet
- //
- Pkt = NetbufFromExt (
- (NET_FRAGMENT *) RxData->Ip4RxData.FragmentTable,
- RxData->Ip4RxData.FragmentCount,
- 0,
- 0,
- IpIoExtFree,
- RxData->Ip4RxData.RecycleSignal
- );
- if (NULL == Pkt) {
- goto CleanUp;
- }
+ Pkt = NetbufFromExt (
+ (NET_FRAGMENT *) RxData->Ip4RxData.FragmentTable,
+ RxData->Ip4RxData.FragmentCount,
+ 0,
+ 0,
+ IpIoExtFree,
+ RxData->Ip4RxData.RecycleSignal
+ );
+ if (NULL == Pkt) {
+ goto CleanUp;
+ }
- //
- // Create a net session
- //
- Session.Source.Addr[0] = EFI_IP4 (RxData->Ip4RxData.Header->SourceAddress);
- Session.Dest.Addr[0] = EFI_IP4 (RxData->Ip4RxData.Header->DestinationAddress);
- Session.IpHdr.Ip4Hdr = RxData->Ip4RxData.Header;
- Session.IpHdrLen = RxData->Ip4RxData.HeaderLength;
- Session.IpVersion = IP_VERSION_4;
+ //
+ // Create a net session
+ //
+ Session.Source.Addr[0] = EFI_IP4 (RxData->Ip4RxData.Header->SourceAddress);
+ Session.Dest.Addr[0] = EFI_IP4 (RxData->Ip4RxData.Header->DestinationAddress);
+ Session.IpHdr.Ip4Hdr = RxData->Ip4RxData.Header;
+ Session.IpHdrLen = RxData->Ip4RxData.HeaderLength;
+ Session.IpVersion = IP_VERSION_4;
} else {
if (!NetIp6IsValidUnicast(&RxData->Ip6RxData.Header->SourceAddress)) {
goto CleanUp;
}
+ if (RxData->Ip6RxData.DataLength == 0) {
+ //
+ // Discard zero length data payload packet.
+ //
+ goto CleanUp;
+ }
+
//
// Create a netbuffer representing IPv6 packet
//
@@ -1279,6 +1293,14 @@ IpIoOpen ( // configure ip
//
if (IpVersion == IP_VERSION_4){
+ //
+ // RawData mode is no supported.
+ //
+ ASSERT (!OpenData->IpConfigData.Ip4CfgData.RawData);
+ if (OpenData->IpConfigData.Ip4CfgData.RawData) {
+ return EFI_UNSUPPORTED;
+ }
+
Status = IpIo->Ip.Ip4->Configure (
IpIo->Ip.Ip4,
&OpenData->IpConfigData.Ip4CfgData
diff --git a/MdeModulePkg/Library/DxeUdpIoLib/DxeUdpIoLib.c b/MdeModulePkg/Library/DxeUdpIoLib/DxeUdpIoLib.c index e1d72f3f1c..4f7126d3ce 100644 --- a/MdeModulePkg/Library/DxeUdpIoLib/DxeUdpIoLib.c +++ b/MdeModulePkg/Library/DxeUdpIoLib/DxeUdpIoLib.c @@ -1,7 +1,7 @@ /** @file
Help functions to access UDP service, it is used by both the DHCP and MTFTP.
-Copyright (c) 2005 - 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2005 - 2016, 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<BR>
@@ -215,6 +215,12 @@ UdpIoOnDgramRcvdDpc ( // Build a NET_BUF from the UDP receive data, then deliver it up.
//
if (RxToken->UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {
+ if (((EFI_UDP4_RECEIVE_DATA *) RxData)->DataLength == 0) {
+ //
+ // Discard zero length data payload packet.
+ //
+ goto Resume;
+ }
Netbuf = NetbufFromExt (
(NET_FRAGMENT *)((EFI_UDP4_RECEIVE_DATA *) RxData)->FragmentTable,
@@ -252,6 +258,12 @@ UdpIoOnDgramRcvdDpc ( EndPoint.LocalAddr.Addr[0] = NTOHL (EndPoint.LocalAddr.Addr[0]);
EndPoint.RemoteAddr.Addr[0] = NTOHL (EndPoint.RemoteAddr.Addr[0]);
} else {
+ if (((EFI_UDP6_RECEIVE_DATA *) RxData)->DataLength == 0) {
+ //
+ // Discard zero length data payload packet.
+ //
+ goto Resume;
+ }
Netbuf = NetbufFromExt (
(NET_FRAGMENT *)((EFI_UDP6_RECEIVE_DATA *) RxData)->FragmentTable,
@@ -291,6 +303,15 @@ UdpIoOnDgramRcvdDpc ( }
RxToken->CallBack (Netbuf, &EndPoint, EFI_SUCCESS, RxToken->Context);
+
+Resume:
+ if (RxToken->UdpIo->UdpVersion == UDP_IO_UDP4_VERSION) {
+ gBS->SignalEvent (((EFI_UDP4_RECEIVE_DATA *) RxData)->RecycleSignal);
+ RxToken->UdpIo->Protocol.Udp4->Receive (RxToken->UdpIo->Protocol.Udp4, &RxToken->Token.Udp4);
+ } else {
+ gBS->SignalEvent (((EFI_UDP6_RECEIVE_DATA *) RxData)->RecycleSignal);
+ RxToken->UdpIo->Protocol.Udp6->Receive (RxToken->UdpIo->Protocol.Udp6, &RxToken->Token.Udp6);
+ }
}
/**
|