bcb966958a
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
217 lines
6.5 KiB
C
217 lines
6.5 KiB
C
/** @file
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Display the DHCP options
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Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <WebServer.h>
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#include <Guid/DxeServices.h>
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#include <Pi/PiDxeCis.h>
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#include <Protocol/Dhcp4.h>
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#include <Protocol/ServiceBinding.h>
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/**
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Respond with the DHCP options
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@param[in] SocketFD The socket's file descriptor to add to the list.
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@param[in] pPort The WSDT_PORT structure address
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@param[out] pbDone Address to receive the request completion status
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@retval EFI_SUCCESS The request was successfully processed
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**/
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EFI_STATUS
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DhcpOptionsPage (
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IN int SocketFD,
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IN WSDT_PORT * pPort,
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OUT BOOLEAN * pbDone
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)
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{
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// EFI_HANDLE Dhcp4Handle;
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EFI_DHCP4_MODE_DATA Dhcp4Mode;
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UINTN HandleCount;
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EFI_DHCP4_PROTOCOL * pDhcp4;
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EFI_DHCP4_PACKET * pDhcp4Packet;
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EFI_HANDLE * pEnd;
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EFI_HANDLE * pHandle;
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// EFI_SERVICE_BINDING_PROTOCOL * pService;
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EFI_STATUS Status;
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DBG_ENTER ( );
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//
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// Send the DHCP options
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//
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for ( ; ; ) {
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//
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// Send the page header
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//
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Status = HttpPageHeader ( SocketFD, pPort, L"DHCP Options" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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//
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// Build the header
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//
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"<h1>" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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Status = HttpSendUnicodeString ( SocketFD,
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pPort,
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L"DHCP Options" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"</h1>\r\n" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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//
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// Attempt to locate DHCP clients
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//
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Status = gBS->LocateHandleBuffer ( ByProtocol,
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// &gEfiDhcp4ServiceBindingProtocolGuid,
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&gEfiDhcp4ProtocolGuid,
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NULL,
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&HandleCount,
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&pHandle );
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if ( EFI_ERROR ( Status )) {
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"DHCP not in use" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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}
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else {
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//
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// Walk the list of handles
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//
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pEnd = &pHandle [ HandleCount ];
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while ( pEnd > pHandle ) {
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/*
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//
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// Get the DHCP service binding
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//
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Status = gBS->OpenProtocol ( *pHandle,
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&gEfiDhcp4ServiceBindingProtocolGuid,
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&pService,
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NULL,
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gImageHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL );
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if ( EFI_ERROR ( Status )) {
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"Failed to open gEfiDhcp4ServiceBindingProtocolGuid" );
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break;
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}
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//
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// Get the DHCP handle
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//
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Status = pService->CreateChild ( pService,
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&Dhcp4Handle );
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if ( EFI_ERROR ( Status )) {
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"Failed to create DHCP4 child" );
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}
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else {
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*/
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//
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// Get the DHCP protocol
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//
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Status = gBS->OpenProtocol ( *pHandle,
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// Dhcp4Handle,
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&gEfiDhcp4ProtocolGuid,
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(VOID **)&pDhcp4,
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NULL,
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gImageHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL );
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if ( EFI_ERROR ( Status )) {
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"Failed to open gEfiDhcp4ProtocolGuid" );
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}
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else {
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//
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// Get the DHCP packet
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//
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Status = pDhcp4->GetModeData ( pDhcp4,
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&Dhcp4Mode );
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if ( EFI_ERROR ( Status )) {
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"Failed to get DHCP4 mode" );
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}
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else {
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//
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// Get the last packet
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//
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pDhcp4Packet = Dhcp4Mode.ReplyPacket;
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if ( NULL == pDhcp4Packet ) {
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Status = HttpSendAnsiString ( SocketFD,
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pPort,
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"No DHCP reply received!<br/>DHCP Mode:<br/>" );
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if ( EFI_ERROR ( Status )) {
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break;
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}
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//
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// Display the DHCP mode data
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//
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Status = HttpSendDump ( SocketFD,
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pPort,
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sizeof ( Dhcp4Mode ),
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(UINT8 *)&Dhcp4Mode );
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}
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else {
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//
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// Display the DHCP packet
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//
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Status = HttpSendDump ( SocketFD,
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pPort,
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pDhcp4Packet->Length,
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(UINT8 *)&pDhcp4Packet->Dhcp4 );
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}
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}
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/*
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}
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//
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// Done with the DHCP protocol
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//
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pService->DestroyChild ( pService,
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Dhcp4Handle );
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*/
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}
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//
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// Set the next service binding
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//
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pHandle += 1;
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}
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}
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//
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// Send the page trailer
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//
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Status = HttpPageTrailer ( SocketFD, pPort, pbDone );
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break;
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}
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//
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// Return the operation status
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//
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DBG_EXIT_STATUS ( Status );
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return Status;
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}
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