refine the code and add more security check.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9691 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
@@ -1,11 +1,11 @@
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/** @file
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Implementation of driver entry point and driver binding protocol.
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Copyright (c) 2004 - 2009, Intel Corporation. <BR>
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All rights reserved. This program and the accompanying materials are licensed
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and made available under the terms and conditions of the BSD License which
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accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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Copyright (c) 2004 - 2010, Intel Corporation. <BR>
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All rights reserved. This program and the accompanying materials are licensed
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and made available under the terms and conditions of the BSD License which
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accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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@@ -49,13 +49,13 @@ SnpNotifyExitBootServices (
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/**
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Send command to UNDI. It does nothing currently.
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@param Cdb command to be sent to UNDI.
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@retval EFI_INVALID_PARAMETER The command is 0.
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@retval EFI_UNSUPPORTED Default return status because it's not
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@retval EFI_INVALID_PARAMETER The command is 0.
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@retval EFI_UNSUPPORTED Default return status because it's not
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supported currently.
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**/
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EFI_STATUS
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IssueHwUndiCommand (
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@@ -81,7 +81,7 @@ IssueHwUndiCommand (
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@param Buffer Pointer to buffer.
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@param Length Length of buffer in bytes.
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@return 8-bit checksum of all bytes in buffer, or zero if ptr is NULL or len
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@return 8-bit checksum of all bytes in buffer, or zero if ptr is NULL or len
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is zero.
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**/
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@@ -178,7 +178,7 @@ SimpleNetworkDriverSupported (
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//
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// Check to see if !PXE structure is valid. Paragraph alignment of !PXE structure is required.
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//
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if (NiiProtocol->Id & 0x0F) {
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if ((NiiProtocol->Id & 0x0F) != 0) {
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DEBUG ((EFI_D_NET, "\n!PXE structure is not paragraph aligned.\n"));
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Status = EFI_UNSUPPORTED;
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goto Done;
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@@ -615,7 +615,7 @@ SimpleNetworkDriverStart (
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}
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if (Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) {
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if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {
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Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;
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}
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@@ -725,7 +725,7 @@ NiiError:
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restrictions for this service. DisconnectController()
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must follow these calling restrictions. If any other agent wishes
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to call Stop() it must also follow these calling restrictions.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to stop driver on
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@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
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@@ -1,11 +1,11 @@
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/** @file
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Implementation of collecting the statistics on a network interface.
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Copyright (c) 2004 - 2007, Intel Corporation. <BR>
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All rights reserved. This program and the accompanying materials are licensed
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and made available under the terms and conditions of the BSD License which
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accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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Copyright (c) 2004 - 2010, Intel Corporation. <BR>
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All rights reserved. This program and the accompanying materials are licensed
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and made available under the terms and conditions of the BSD License which
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accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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@@ -18,15 +18,15 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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/**
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Resets or collects the statistics on a network interface.
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This function resets or collects the statistics on a network interface. If the
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size of the statistics table specified by StatisticsSize is not big enough for
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all the statistics that are collected by the network interface, then a partial
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buffer of statistics is returned in StatisticsTable, StatisticsSize is set to
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the size required to collect all the available statistics, and
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buffer of statistics is returned in StatisticsTable, StatisticsSize is set to
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the size required to collect all the available statistics, and
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EFI_BUFFER_TOO_SMALL is returned.
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If StatisticsSize is big enough for all the statistics, then StatisticsTable
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will be filled, StatisticsSize will be set to the size of the returned
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If StatisticsSize is big enough for all the statistics, then StatisticsTable
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will be filled, StatisticsSize will be set to the size of the returned
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StatisticsTable structure, and EFI_SUCCESS is returned.
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If the driver has not been initialized, EFI_DEVICE_ERROR will be returned.
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If Reset is FALSE, and both StatisticsSize and StatisticsTable are NULL, then
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@@ -36,30 +36,30 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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@param This A pointer to the EFI_SIMPLE_NETWORK_PROTOCOL instance.
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@param Reset Set to TRUE to reset the statistics for the network interface.
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@param StatisticsSize On input the size, in bytes, of StatisticsTable. On output
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@param StatisticsSize On input the size, in bytes, of StatisticsTable. On output
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the size, in bytes, of the resulting table of statistics.
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@param StatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure that
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contains the statistics. Type EFI_NETWORK_STATISTICS is
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defined in "Related Definitions" below.
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@param StatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure that
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contains the statistics. Type EFI_NETWORK_STATISTICS is
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defined in "Related Definitions" below.
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@retval EFI_SUCCESS The requested operation succeeded.
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@retval EFI_NOT_STARTED The Simple Network Protocol interface has not been
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started by calling Start().
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@retval EFI_BUFFER_TOO_SMALL StatisticsSize is not NULL and StatisticsTable is
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NULL. The current buffer size that is needed to
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@retval EFI_BUFFER_TOO_SMALL StatisticsSize is not NULL and StatisticsTable is
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NULL. The current buffer size that is needed to
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hold all the statistics is returned in StatisticsSize.
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@retval EFI_BUFFER_TOO_SMALL StatisticsSize is not NULL and StatisticsTable is
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@retval EFI_BUFFER_TOO_SMALL StatisticsSize is not NULL and StatisticsTable is
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not NULL. The current buffer size that is needed
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to hold all the statistics is returned in
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StatisticsSize. A partial set of statistics is
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to hold all the statistics is returned in
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StatisticsSize. A partial set of statistics is
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returned in StatisticsTable.
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@retval EFI_INVALID_PARAMETER StatisticsSize is NULL and StatisticsTable is not
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@retval EFI_INVALID_PARAMETER StatisticsSize is NULL and StatisticsTable is not
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NULL.
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@retval EFI_DEVICE_ERROR The Simple Network Protocol interface has not
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@retval EFI_DEVICE_ERROR The Simple Network Protocol interface has not
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been initialized by calling Initialize().
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@retval EFI_DEVICE_ERROR An error was encountered collecting statistics
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@retval EFI_DEVICE_ERROR An error was encountered collecting statistics
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from the NIC.
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@retval EFI_UNSUPPORTED The NIC does not support collecting statistics
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@retval EFI_UNSUPPORTED The NIC does not support collecting statistics
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from the network interface.
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**/
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@@ -197,7 +197,7 @@ SnpUndi32Statistics (
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break;
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}
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if (Db->Supported & Mask) {
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if ((Db->Supported & Mask) != 0) {
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*Stp = Db->Data[Index];
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Size = Index + 1;
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} else {
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@@ -208,7 +208,7 @@ SnpUndi32Statistics (
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// Compute size up to last supported statistic.
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//
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while (++Index < 64) {
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if (Db->Supported & (Mask = LShiftU64 (Mask, 1))) {
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if ((Db->Supported & (Mask = LShiftU64 (Mask, 1))) != 0) {
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Size = Index;
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}
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}
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