1033 lines
31 KiB
C
1033 lines
31 KiB
C
/** @file
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Functions implementation related with DHCPv6 for HTTP boot driver.
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Copyright (c) 2015 - 2018, 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 "HttpBootDxe.h"
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/**
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Build the options buffer for the DHCPv6 request packet.
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@param[in] Private The pointer to HTTP BOOT driver private data.
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@param[out] OptList The pointer to the option pointer array.
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@param[in] Buffer The pointer to the buffer to contain the option list.
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@return Index The count of the built-in options.
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**/
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UINT32
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HttpBootBuildDhcp6Options (
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IN HTTP_BOOT_PRIVATE_DATA *Private,
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OUT EFI_DHCP6_PACKET_OPTION **OptList,
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IN UINT8 *Buffer
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)
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{
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HTTP_BOOT_DHCP6_OPTION_ENTRY OptEnt;
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UINT16 Value;
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UINT32 Index;
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Index = 0;
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OptList[0] = (EFI_DHCP6_PACKET_OPTION *) Buffer;
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//
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// Append client option request option
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//
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OptList[Index]->OpCode = HTONS (DHCP6_OPT_ORO);
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OptList[Index]->OpLen = HTONS (8);
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OptEnt.Oro = (HTTP_BOOT_DHCP6_OPTION_ORO *) OptList[Index]->Data;
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OptEnt.Oro->OpCode[0] = HTONS(DHCP6_OPT_BOOT_FILE_URL);
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OptEnt.Oro->OpCode[1] = HTONS(DHCP6_OPT_BOOT_FILE_PARAM);
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OptEnt.Oro->OpCode[2] = HTONS(DHCP6_OPT_DNS_SERVERS);
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OptEnt.Oro->OpCode[3] = HTONS(DHCP6_OPT_VENDOR_CLASS);
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Index++;
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OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);
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//
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// Append client network device interface option
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//
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OptList[Index]->OpCode = HTONS (DHCP6_OPT_UNDI);
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OptList[Index]->OpLen = HTONS ((UINT16)3);
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OptEnt.Undi = (HTTP_BOOT_DHCP6_OPTION_UNDI *) OptList[Index]->Data;
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if (Private->Nii != NULL) {
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OptEnt.Undi->Type = Private->Nii->Type;
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OptEnt.Undi->MajorVer = Private->Nii->MajorVer;
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OptEnt.Undi->MinorVer = Private->Nii->MinorVer;
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} else {
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OptEnt.Undi->Type = DEFAULT_UNDI_TYPE;
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OptEnt.Undi->MajorVer = DEFAULT_UNDI_MAJOR;
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OptEnt.Undi->MinorVer = DEFAULT_UNDI_MINOR;
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}
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Index++;
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OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);
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//
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// Append client system architecture option
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//
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OptList[Index]->OpCode = HTONS (DHCP6_OPT_ARCH);
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OptList[Index]->OpLen = HTONS ((UINT16) sizeof (HTTP_BOOT_DHCP6_OPTION_ARCH));
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OptEnt.Arch = (HTTP_BOOT_DHCP6_OPTION_ARCH *) OptList[Index]->Data;
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Value = HTONS (EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE);
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CopyMem (&OptEnt.Arch->Type, &Value, sizeof (UINT16));
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Index++;
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OptList[Index] = GET_NEXT_DHCP6_OPTION (OptList[Index - 1]);
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//
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// Append vendor class identify option.
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//
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OptList[Index]->OpCode = HTONS (DHCP6_OPT_VENDOR_CLASS);
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OptList[Index]->OpLen = HTONS ((UINT16) sizeof (HTTP_BOOT_DHCP6_OPTION_VENDOR_CLASS));
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OptEnt.VendorClass = (HTTP_BOOT_DHCP6_OPTION_VENDOR_CLASS *) OptList[Index]->Data;
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OptEnt.VendorClass->Vendor = HTONL (HTTP_BOOT_DHCP6_ENTERPRISE_NUM);
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OptEnt.VendorClass->ClassLen = HTONS ((UINT16) sizeof (HTTP_BOOT_CLASS_ID));
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CopyMem (
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&OptEnt.VendorClass->ClassId,
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DEFAULT_CLASS_ID_DATA,
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sizeof (HTTP_BOOT_CLASS_ID)
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);
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HttpBootUintnToAscDecWithFormat (
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EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE,
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OptEnt.VendorClass->ClassId.ArchitectureType,
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sizeof (OptEnt.VendorClass->ClassId.ArchitectureType)
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);
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if (Private->Nii != NULL) {
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CopyMem (
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OptEnt.VendorClass->ClassId.InterfaceName,
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Private->Nii->StringId,
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sizeof (OptEnt.VendorClass->ClassId.InterfaceName)
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);
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HttpBootUintnToAscDecWithFormat (
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Private->Nii->MajorVer,
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OptEnt.VendorClass->ClassId.UndiMajor,
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sizeof (OptEnt.VendorClass->ClassId.UndiMajor)
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);
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HttpBootUintnToAscDecWithFormat (
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Private->Nii->MinorVer,
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OptEnt.VendorClass->ClassId.UndiMinor,
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sizeof (OptEnt.VendorClass->ClassId.UndiMinor)
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);
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}
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Index++;
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return Index;
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}
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/**
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Parse out a DHCPv6 option by OptTag, and find the position in buffer.
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@param[in] Buffer The pointer to the option buffer.
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@param[in] Length Length of the option buffer.
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@param[in] OptTag The required option tag.
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@retval NULL Failed to parse the required option.
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@retval Others The postion of the required option in buffer.
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**/
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EFI_DHCP6_PACKET_OPTION *
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HttpBootParseDhcp6Options (
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IN UINT8 *Buffer,
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IN UINT32 Length,
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IN UINT16 OptTag
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)
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{
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EFI_DHCP6_PACKET_OPTION *Option;
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UINT32 Offset;
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Option = (EFI_DHCP6_PACKET_OPTION *) Buffer;
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Offset = 0;
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//
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// OpLen and OpCode here are both stored in network order.
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//
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while (Offset < Length) {
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if (NTOHS (Option->OpCode) == OptTag) {
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return Option;
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}
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Offset += (NTOHS(Option->OpLen) + 4);
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Option = (EFI_DHCP6_PACKET_OPTION *) (Buffer + Offset);
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}
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return NULL;
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}
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/**
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Parse the cached DHCPv6 packet, including all the options.
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@param[in] Cache6 The pointer to a cached DHCPv6 packet.
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@retval EFI_SUCCESS Parsed the DHCPv6 packet successfully.
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@retval EFI_DEVICE_ERROR Failed to parse and invalid the packet.
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**/
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EFI_STATUS
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HttpBootParseDhcp6Packet (
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IN HTTP_BOOT_DHCP6_PACKET_CACHE *Cache6
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)
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{
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EFI_DHCP6_PACKET *Offer;
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EFI_DHCP6_PACKET_OPTION **Options;
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EFI_DHCP6_PACKET_OPTION *Option;
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HTTP_BOOT_OFFER_TYPE OfferType;
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EFI_IPv6_ADDRESS IpAddr;
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BOOLEAN IsProxyOffer;
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BOOLEAN IsHttpOffer;
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BOOLEAN IsDnsOffer;
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BOOLEAN IpExpressedUri;
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EFI_STATUS Status;
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UINT32 Offset;
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UINT32 Length;
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IsDnsOffer = FALSE;
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IpExpressedUri = FALSE;
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IsProxyOffer = TRUE;
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IsHttpOffer = FALSE;
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Offer = &Cache6->Packet.Offer;
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Options = Cache6->OptList;
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ZeroMem (Cache6->OptList, sizeof (Cache6->OptList));
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Option = (EFI_DHCP6_PACKET_OPTION *) (Offer->Dhcp6.Option);
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Offset = 0;
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Length = GET_DHCP6_OPTION_SIZE (Offer);
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//
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// OpLen and OpCode here are both stored in network order, since they are from original packet.
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//
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while (Offset < Length) {
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if (NTOHS (Option->OpCode) == DHCP6_OPT_IA_NA) {
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Options[HTTP_BOOT_DHCP6_IDX_IA_NA] = Option;
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} else if (NTOHS (Option->OpCode) == DHCP6_OPT_BOOT_FILE_URL) {
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//
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// The server sends this option to inform the client about an URL to a boot file.
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//
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Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL] = Option;
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} else if (NTOHS (Option->OpCode) == DHCP6_OPT_BOOT_FILE_PARAM) {
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Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_PARAM] = Option;
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} else if (NTOHS (Option->OpCode) == DHCP6_OPT_VENDOR_CLASS) {
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Options[HTTP_BOOT_DHCP6_IDX_VENDOR_CLASS] = Option;
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} else if (NTOHS (Option->OpCode) == DHCP6_OPT_DNS_SERVERS) {
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Options[HTTP_BOOT_DHCP6_IDX_DNS_SERVER] = Option;
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}
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Offset += (NTOHS (Option->OpLen) + 4);
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Option = (EFI_DHCP6_PACKET_OPTION *) (Offer->Dhcp6.Option + Offset);
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}
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//
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// The offer with assigned client address is NOT a proxy offer.
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// An ia_na option, embeded with valid ia_addr option and a status_code of success.
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//
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Option = Options[HTTP_BOOT_DHCP6_IDX_IA_NA];
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if (Option != NULL) {
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Option = HttpBootParseDhcp6Options (
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Option->Data + 12,
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NTOHS (Option->OpLen),
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DHCP6_OPT_STATUS_CODE
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);
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if ((Option != NULL && Option->Data[0] == 0) || (Option == NULL)) {
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IsProxyOffer = FALSE;
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}
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}
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//
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// The offer with "HTTPClient" is a Http offer.
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//
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Option = Options[HTTP_BOOT_DHCP6_IDX_VENDOR_CLASS];
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if (Option != NULL &&
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NTOHS(Option->OpLen) >= 16 &&
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CompareMem ((Option->Data + 6), DEFAULT_CLASS_ID_DATA, 10) == 0) {
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IsHttpOffer = TRUE;
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}
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//
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// The offer with Domain Server is a DNS offer.
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//
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Option = Options[HTTP_BOOT_DHCP6_IDX_DNS_SERVER];
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if (Option != NULL) {
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IsDnsOffer = TRUE;
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}
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//
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// Http offer must have a boot URI.
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//
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if (IsHttpOffer && Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL] == NULL) {
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return EFI_DEVICE_ERROR;
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}
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//
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// Try to retrieve the IP of HTTP server from URI.
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//
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if (IsHttpOffer) {
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Status = HttpParseUrl (
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(CHAR8*) Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data,
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(UINT32) AsciiStrLen ((CHAR8*) Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data),
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FALSE,
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&Cache6->UriParser
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);
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if (EFI_ERROR (Status)) {
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return EFI_DEVICE_ERROR;
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}
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Status = HttpUrlGetIp6 (
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(CHAR8*) Options[HTTP_BOOT_DHCP6_IDX_BOOT_FILE_URL]->Data,
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Cache6->UriParser,
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&IpAddr
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);
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IpExpressedUri = !EFI_ERROR (Status);
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}
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//
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// Determine offer type of the DHCPv6 packet.
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//
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if (IsHttpOffer) {
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if (IpExpressedUri) {
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if (IsProxyOffer) {
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OfferType = HttpOfferTypeProxyIpUri;
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} else {
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OfferType = IsDnsOffer ? HttpOfferTypeDhcpIpUriDns : HttpOfferTypeDhcpIpUri;
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}
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} else {
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if (!IsProxyOffer) {
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OfferType = IsDnsOffer ? HttpOfferTypeDhcpNameUriDns : HttpOfferTypeDhcpNameUri;
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} else {
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OfferType = HttpOfferTypeProxyNameUri;
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}
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}
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} else {
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if (!IsProxyOffer) {
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OfferType = IsDnsOffer ? HttpOfferTypeDhcpDns : HttpOfferTypeDhcpOnly;
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} else {
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return EFI_DEVICE_ERROR;
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}
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}
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Cache6->OfferType = OfferType;
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return EFI_SUCCESS;
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}
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/**
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Cache the DHCPv6 packet.
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@param[in] Dst The pointer to the cache buffer for DHCPv6 packet.
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@param[in] Src The pointer to the DHCPv6 packet to be cached.
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@retval EFI_SUCCESS Packet is copied.
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@retval EFI_BUFFER_TOO_SMALL Cache buffer is not big enough to hold the packet.
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**/
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EFI_STATUS
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HttpBootCacheDhcp6Packet (
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IN EFI_DHCP6_PACKET *Dst,
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IN EFI_DHCP6_PACKET *Src
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)
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{
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if (Dst->Size < Src->Length) {
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return EFI_BUFFER_TOO_SMALL;
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}
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CopyMem (&Dst->Dhcp6, &Src->Dhcp6, Src->Length);
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Dst->Length = Src->Length;
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return EFI_SUCCESS;
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}
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/**
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Cache all the received DHCPv6 offers, and set OfferIndex and OfferCount.
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@param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.
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@param[in] RcvdOffer The pointer to the received offer packet.
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@retval EFI_SUCCESS Cache and parse the packet successfully.
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@retval Others Operation failed.
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**/
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EFI_STATUS
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HttpBootCacheDhcp6Offer (
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IN HTTP_BOOT_PRIVATE_DATA *Private,
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IN EFI_DHCP6_PACKET *RcvdOffer
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)
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{
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HTTP_BOOT_DHCP6_PACKET_CACHE *Cache6;
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EFI_DHCP6_PACKET *Offer;
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HTTP_BOOT_OFFER_TYPE OfferType;
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EFI_STATUS Status;
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Cache6 = &Private->OfferBuffer[Private->OfferNum].Dhcp6;
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Offer = &Cache6->Packet.Offer;
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//
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// Cache the content of DHCPv6 packet firstly.
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//
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Status = HttpBootCacheDhcp6Packet(Offer, RcvdOffer);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Validate the DHCPv6 packet, and parse the options and offer type.
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//
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if (EFI_ERROR (HttpBootParseDhcp6Packet (Cache6))) {
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return EFI_ABORTED;
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}
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//
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// Determine whether cache the current offer by type, and record OfferIndex and OfferCount.
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//
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OfferType = Cache6->OfferType;
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ASSERT (OfferType < HttpOfferTypeMax);
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ASSERT (Private->OfferCount[OfferType] < HTTP_BOOT_OFFER_MAX_NUM);
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Private->OfferIndex[OfferType][Private->OfferCount[OfferType]] = Private->OfferNum;
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Private->OfferCount[OfferType]++;
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Private->OfferNum++;
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return EFI_SUCCESS;
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}
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/**
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EFI_DHCP6_CALLBACK is provided by the consumer of the EFI DHCPv6 Protocol driver
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to intercept events that occurred in the configuration process.
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@param[in] This The pointer to the EFI DHCPv6 Protocol.
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@param[in] Context The pointer to the context set by EFI_DHCP6_PROTOCOL.Configure().
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@param[in] CurrentState The current operational state of the EFI DHCPv Protocol driver.
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@param[in] Dhcp6Event The event that occurs in the current state, which usually means a
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state transition.
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@param[in] Packet The DHCPv6 packet that is going to be sent or was already received.
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@param[out] NewPacket The packet that is used to replace the Packet above.
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@retval EFI_SUCCESS Told the EFI DHCPv6 Protocol driver to continue the DHCP process.
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@retval EFI_NOT_READY Only used in the Dhcp6Selecting state. The EFI DHCPv6 Protocol
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driver will continue to wait for more packets.
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@retval EFI_ABORTED Told the EFI DHCPv6 Protocol driver to abort the current process.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources.
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**/
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EFI_STATUS
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EFIAPI
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HttpBootDhcp6CallBack (
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IN EFI_DHCP6_PROTOCOL *This,
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IN VOID *Context,
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IN EFI_DHCP6_STATE CurrentState,
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IN EFI_DHCP6_EVENT Dhcp6Event,
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IN EFI_DHCP6_PACKET *Packet,
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OUT EFI_DHCP6_PACKET **NewPacket OPTIONAL
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)
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{
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HTTP_BOOT_PRIVATE_DATA *Private;
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EFI_DHCP6_PACKET *SelectAd;
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EFI_STATUS Status;
|
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BOOLEAN Received;
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|
|
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if ((Dhcp6Event != Dhcp6SendSolicit) &&
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(Dhcp6Event != Dhcp6RcvdAdvertise) &&
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(Dhcp6Event != Dhcp6SendRequest) &&
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(Dhcp6Event != Dhcp6RcvdReply) &&
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(Dhcp6Event != Dhcp6SelectAdvertise)) {
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return EFI_SUCCESS;
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}
|
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|
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ASSERT (Packet != NULL);
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|
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Private = (HTTP_BOOT_PRIVATE_DATA *) Context;
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Status = EFI_SUCCESS;
|
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if (Private->HttpBootCallback != NULL && Dhcp6Event != Dhcp6SelectAdvertise) {
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Received = (BOOLEAN) (Dhcp6Event == Dhcp6RcvdAdvertise || Dhcp6Event == Dhcp6RcvdReply);
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Status = Private->HttpBootCallback->Callback (
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Private->HttpBootCallback,
|
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HttpBootDhcp6,
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Received,
|
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Packet->Length,
|
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&Packet->Dhcp6
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);
|
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if (EFI_ERROR (Status)) {
|
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return EFI_ABORTED;
|
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}
|
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}
|
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switch (Dhcp6Event) {
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|
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case Dhcp6RcvdAdvertise:
|
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Status = EFI_NOT_READY;
|
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if (Packet->Length > HTTP_BOOT_DHCP6_PACKET_MAX_SIZE) {
|
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//
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// Ignore the incoming packets which exceed the maximum length.
|
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//
|
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break;
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}
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if (Private->OfferNum < HTTP_BOOT_OFFER_MAX_NUM) {
|
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//
|
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// Cache the dhcp offers to OfferBuffer[] for select later, and record
|
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// the OfferIndex and OfferCount.
|
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// If error happens, just ignore this packet and continue to wait more offer.
|
|
//
|
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HttpBootCacheDhcp6Offer (Private, Packet);
|
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}
|
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break;
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|
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case Dhcp6SelectAdvertise:
|
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//
|
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// Select offer by the default policy or by order, and record the SelectIndex
|
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// and SelectProxyType.
|
|
//
|
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HttpBootSelectDhcpOffer (Private);
|
|
|
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if (Private->SelectIndex == 0) {
|
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Status = EFI_ABORTED;
|
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} else {
|
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ASSERT (NewPacket != NULL);
|
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SelectAd = &Private->OfferBuffer[Private->SelectIndex - 1].Dhcp6.Packet.Offer;
|
|
*NewPacket = AllocateZeroPool (SelectAd->Size);
|
|
if (*NewPacket == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
CopyMem (*NewPacket, SelectAd, SelectAd->Size);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Check whether IP driver could route the message which will be sent to ServerIp address.
|
|
|
|
This function will check the IP6 route table every 1 seconds until specified timeout is expired, if a valid
|
|
route is found in IP6 route table, the address will be filed in GatewayAddr and return.
|
|
|
|
@param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.
|
|
@param[in] TimeOutInSecond Timeout value in seconds.
|
|
@param[out] GatewayAddr Pointer to store the gateway IP address.
|
|
|
|
@retval EFI_SUCCESS Found a valid gateway address successfully.
|
|
@retval EFI_TIMEOUT The operation is time out.
|
|
@retval Other Unexpect error happened.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
HttpBootCheckRouteTable (
|
|
IN HTTP_BOOT_PRIVATE_DATA *Private,
|
|
IN UINTN TimeOutInSecond,
|
|
OUT EFI_IPv6_ADDRESS *GatewayAddr
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_IP6_PROTOCOL *Ip6;
|
|
EFI_IP6_MODE_DATA Ip6ModeData;
|
|
UINTN Index;
|
|
EFI_EVENT TimeOutEvt;
|
|
UINTN RetryCount;
|
|
BOOLEAN GatewayIsFound;
|
|
|
|
ASSERT (GatewayAddr != NULL);
|
|
ASSERT (Private != NULL);
|
|
|
|
Ip6 = Private->Ip6;
|
|
GatewayIsFound = FALSE;
|
|
RetryCount = 0;
|
|
TimeOutEvt = NULL;
|
|
Status = EFI_SUCCESS;
|
|
ZeroMem (GatewayAddr, sizeof (EFI_IPv6_ADDRESS));
|
|
|
|
while (TRUE) {
|
|
Status = Ip6->GetModeData (Ip6, &Ip6ModeData, NULL, NULL);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_EXIT;
|
|
}
|
|
|
|
//
|
|
// Find out the gateway address which can route the message which send to ServerIp.
|
|
//
|
|
for (Index = 0; Index < Ip6ModeData.RouteCount; Index++) {
|
|
if (NetIp6IsNetEqual (&Private->ServerIp.v6, &Ip6ModeData.RouteTable[Index].Destination, Ip6ModeData.RouteTable[Index].PrefixLength)) {
|
|
IP6_COPY_ADDRESS (GatewayAddr, &Ip6ModeData.RouteTable[Index].Gateway);
|
|
GatewayIsFound = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (Ip6ModeData.AddressList != NULL) {
|
|
FreePool (Ip6ModeData.AddressList);
|
|
}
|
|
if (Ip6ModeData.GroupTable != NULL) {
|
|
FreePool (Ip6ModeData.GroupTable);
|
|
}
|
|
if (Ip6ModeData.RouteTable != NULL) {
|
|
FreePool (Ip6ModeData.RouteTable);
|
|
}
|
|
if (Ip6ModeData.NeighborCache != NULL) {
|
|
FreePool (Ip6ModeData.NeighborCache);
|
|
}
|
|
if (Ip6ModeData.PrefixTable != NULL) {
|
|
FreePool (Ip6ModeData.PrefixTable);
|
|
}
|
|
if (Ip6ModeData.IcmpTypeList != NULL) {
|
|
FreePool (Ip6ModeData.IcmpTypeList);
|
|
}
|
|
|
|
if (GatewayIsFound || RetryCount == TimeOutInSecond) {
|
|
break;
|
|
}
|
|
|
|
RetryCount++;
|
|
|
|
//
|
|
// Delay 1 second then recheck it again.
|
|
//
|
|
if (TimeOutEvt == NULL) {
|
|
Status = gBS->CreateEvent (
|
|
EVT_TIMER,
|
|
TPL_CALLBACK,
|
|
NULL,
|
|
NULL,
|
|
&TimeOutEvt
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_EXIT;
|
|
}
|
|
}
|
|
|
|
Status = gBS->SetTimer (TimeOutEvt, TimerRelative, TICKS_PER_SECOND);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_EXIT;
|
|
}
|
|
while (EFI_ERROR (gBS->CheckEvent (TimeOutEvt))) {
|
|
Ip6->Poll (Ip6);
|
|
}
|
|
}
|
|
|
|
ON_EXIT:
|
|
if (TimeOutEvt != NULL) {
|
|
gBS->CloseEvent (TimeOutEvt);
|
|
}
|
|
|
|
if (GatewayIsFound) {
|
|
Status = EFI_SUCCESS;
|
|
} else if (RetryCount == TimeOutInSecond) {
|
|
Status = EFI_TIMEOUT;
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Set the IP6 policy to Automatic.
|
|
|
|
@param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.
|
|
|
|
@retval EFI_SUCCESS Switch the IP policy succesfully.
|
|
@retval Others Unexpect error happened.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
HttpBootSetIp6Policy (
|
|
IN HTTP_BOOT_PRIVATE_DATA *Private
|
|
)
|
|
{
|
|
EFI_IP6_CONFIG_POLICY Policy;
|
|
EFI_IP6_CONFIG_PROTOCOL *Ip6Config;
|
|
EFI_STATUS Status;
|
|
UINTN DataSize;
|
|
|
|
Ip6Config = Private->Ip6Config;
|
|
DataSize = sizeof (EFI_IP6_CONFIG_POLICY);
|
|
|
|
//
|
|
// Get and store the current policy of IP6 driver.
|
|
//
|
|
Status = Ip6Config->GetData (
|
|
Ip6Config,
|
|
Ip6ConfigDataTypePolicy,
|
|
&DataSize,
|
|
&Policy
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
if (Policy == Ip6ConfigPolicyManual) {
|
|
Policy = Ip6ConfigPolicyAutomatic;
|
|
Status = Ip6Config->SetData (
|
|
Ip6Config,
|
|
Ip6ConfigDataTypePolicy,
|
|
sizeof(EFI_IP6_CONFIG_POLICY),
|
|
&Policy
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
}
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
This function will register the default DNS addresses to the network device.
|
|
|
|
@param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.
|
|
@param[in] DataLength Size of the buffer pointed to by DnsServerData in bytes.
|
|
@param[in] DnsServerData Point a list of DNS server address in an array
|
|
of EFI_IPv6_ADDRESS instances.
|
|
|
|
@retval EFI_SUCCESS The DNS configuration has been configured successfully.
|
|
@retval Others Failed to configure the address.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
HttpBootSetIp6Dns (
|
|
IN HTTP_BOOT_PRIVATE_DATA *Private,
|
|
IN UINTN DataLength,
|
|
IN VOID *DnsServerData
|
|
)
|
|
{
|
|
EFI_IP6_CONFIG_PROTOCOL *Ip6Config;
|
|
|
|
ASSERT (Private->UsingIpv6);
|
|
|
|
Ip6Config = Private->Ip6Config;
|
|
|
|
return Ip6Config->SetData (
|
|
Ip6Config,
|
|
Ip6ConfigDataTypeDnsServer,
|
|
DataLength,
|
|
DnsServerData
|
|
);
|
|
}
|
|
|
|
/**
|
|
This function will register the IPv6 gateway address to the network device.
|
|
|
|
@param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.
|
|
|
|
@retval EFI_SUCCESS The new IP configuration has been configured successfully.
|
|
@retval Others Failed to configure the address.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
HttpBootSetIp6Gateway (
|
|
IN HTTP_BOOT_PRIVATE_DATA *Private
|
|
)
|
|
{
|
|
EFI_IP6_CONFIG_PROTOCOL *Ip6Config;
|
|
EFI_STATUS Status;
|
|
|
|
ASSERT (Private->UsingIpv6);
|
|
Ip6Config = Private->Ip6Config;
|
|
|
|
//
|
|
// Set the default gateway address.
|
|
//
|
|
if (!Private->NoGateway && !NetIp6IsUnspecifiedAddr (&Private->GatewayIp.v6)) {
|
|
Status = Ip6Config->SetData (
|
|
Ip6Config,
|
|
Ip6ConfigDataTypeGateway,
|
|
sizeof (EFI_IPv6_ADDRESS),
|
|
&Private->GatewayIp.v6
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
return Status;
|
|
}
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
This function will register the station IP address.
|
|
|
|
@param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.
|
|
|
|
@retval EFI_SUCCESS The new IP address has been configured successfully.
|
|
@retval Others Failed to configure the address.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
HttpBootSetIp6Address (
|
|
IN HTTP_BOOT_PRIVATE_DATA *Private
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_IP6_PROTOCOL *Ip6;
|
|
EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;
|
|
EFI_IP6_CONFIG_POLICY Policy;
|
|
EFI_IP6_CONFIG_MANUAL_ADDRESS CfgAddr;
|
|
EFI_IPv6_ADDRESS *Ip6Addr;
|
|
EFI_IPv6_ADDRESS GatewayAddr;
|
|
EFI_IP6_CONFIG_DATA Ip6CfgData;
|
|
EFI_EVENT MappedEvt;
|
|
UINTN DataSize;
|
|
BOOLEAN IsAddressOk;
|
|
UINTN Index;
|
|
|
|
ASSERT (Private->UsingIpv6);
|
|
|
|
MappedEvt = NULL;
|
|
IsAddressOk = FALSE;
|
|
Ip6Addr = NULL;
|
|
Ip6Cfg = Private->Ip6Config;
|
|
Ip6 = Private->Ip6;
|
|
|
|
ZeroMem (&CfgAddr, sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS));
|
|
CopyMem (&CfgAddr, &Private->StationIp.v6, sizeof (EFI_IPv6_ADDRESS));
|
|
ZeroMem (&Ip6CfgData, sizeof (EFI_IP6_CONFIG_DATA));
|
|
|
|
Ip6CfgData.AcceptIcmpErrors = TRUE;
|
|
Ip6CfgData.DefaultProtocol = IP6_ICMP;
|
|
Ip6CfgData.HopLimit = HTTP_BOOT_DEFAULT_HOPLIMIT;
|
|
Ip6CfgData.ReceiveTimeout = HTTP_BOOT_DEFAULT_LIFETIME;
|
|
Ip6CfgData.TransmitTimeout = HTTP_BOOT_DEFAULT_LIFETIME;
|
|
|
|
Status = Ip6->Configure (Ip6, &Ip6CfgData);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_EXIT;
|
|
}
|
|
|
|
//
|
|
// Retrieve the gateway address from IP6 route table.
|
|
//
|
|
Status = HttpBootCheckRouteTable (Private, HTTP_BOOT_IP6_ROUTE_TABLE_TIMEOUT, &GatewayAddr);
|
|
if (EFI_ERROR (Status)) {
|
|
Private->NoGateway = TRUE;
|
|
} else {
|
|
IP6_COPY_ADDRESS (&Private->GatewayIp.v6, &GatewayAddr);
|
|
}
|
|
|
|
//
|
|
// Set the new address by Ip6ConfigProtocol manually.
|
|
//
|
|
Policy = Ip6ConfigPolicyManual;
|
|
Status = Ip6Cfg->SetData (
|
|
Ip6Cfg,
|
|
Ip6ConfigDataTypePolicy,
|
|
sizeof(EFI_IP6_CONFIG_POLICY),
|
|
&Policy
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_EXIT;
|
|
}
|
|
|
|
//
|
|
// Create a notify event to set address flag when DAD if IP6 driver succeeded.
|
|
//
|
|
Status = gBS->CreateEvent (
|
|
EVT_NOTIFY_SIGNAL,
|
|
TPL_NOTIFY,
|
|
HttpBootCommonNotify,
|
|
&IsAddressOk,
|
|
&MappedEvt
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_EXIT;
|
|
}
|
|
|
|
//
|
|
// Set static host ip6 address. This is a asynchronous process.
|
|
//
|
|
Status = Ip6Cfg->RegisterDataNotify (
|
|
Ip6Cfg,
|
|
Ip6ConfigDataTypeManualAddress,
|
|
MappedEvt
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
goto ON_EXIT;
|
|
}
|
|
|
|
Status = Ip6Cfg->SetData (
|
|
Ip6Cfg,
|
|
Ip6ConfigDataTypeManualAddress,
|
|
sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS),
|
|
&CfgAddr
|
|
);
|
|
if (EFI_ERROR (Status) && Status != EFI_NOT_READY) {
|
|
goto ON_EXIT;
|
|
} else if (Status == EFI_NOT_READY) {
|
|
//
|
|
// Poll the network until the asynchronous process is finished.
|
|
//
|
|
while (!IsAddressOk) {
|
|
Ip6->Poll (Ip6);
|
|
}
|
|
//
|
|
// Check whether the Ip6 Address setting is successed.
|
|
//
|
|
DataSize = 0;
|
|
Status = Ip6Cfg->GetData (
|
|
Ip6Cfg,
|
|
Ip6ConfigDataTypeManualAddress,
|
|
&DataSize,
|
|
NULL
|
|
);
|
|
if (Status != EFI_BUFFER_TOO_SMALL || DataSize == 0) {
|
|
Status = EFI_DEVICE_ERROR;
|
|
goto ON_EXIT;
|
|
}
|
|
|
|
Ip6Addr = AllocatePool (DataSize);
|
|
if (Ip6Addr == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
Status = Ip6Cfg->GetData (
|
|
Ip6Cfg,
|
|
Ip6ConfigDataTypeManualAddress,
|
|
&DataSize,
|
|
(VOID *) Ip6Addr
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
Status = EFI_DEVICE_ERROR;
|
|
goto ON_EXIT;
|
|
}
|
|
|
|
for (Index = 0; Index < DataSize / sizeof (EFI_IPv6_ADDRESS); Index ++) {
|
|
if (CompareMem (Ip6Addr + Index, &CfgAddr, sizeof (EFI_IPv6_ADDRESS)) == 0) {
|
|
break;
|
|
}
|
|
}
|
|
if (Index == DataSize / sizeof (EFI_IPv6_ADDRESS)) {
|
|
Status = EFI_ABORTED;
|
|
goto ON_EXIT;
|
|
}
|
|
}
|
|
|
|
ON_EXIT:
|
|
if (MappedEvt != NULL) {
|
|
Ip6Cfg->UnregisterDataNotify (
|
|
Ip6Cfg,
|
|
Ip6ConfigDataTypeManualAddress,
|
|
MappedEvt
|
|
);
|
|
gBS->CloseEvent (MappedEvt);
|
|
}
|
|
|
|
if (Ip6Addr != NULL) {
|
|
FreePool (Ip6Addr);
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Start the S.A.R.R DHCPv6 process to acquire the IPv6 address and other Http boot information.
|
|
|
|
@param[in] Private Pointer to HTTP_BOOT private data.
|
|
|
|
@retval EFI_SUCCESS The S.A.R.R process successfully finished.
|
|
@retval Others Failed to finish the S.A.R.R process.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
HttpBootDhcp6Sarr (
|
|
IN HTTP_BOOT_PRIVATE_DATA *Private
|
|
)
|
|
{
|
|
EFI_DHCP6_PROTOCOL *Dhcp6;
|
|
EFI_DHCP6_CONFIG_DATA Config;
|
|
EFI_DHCP6_MODE_DATA Mode;
|
|
EFI_DHCP6_RETRANSMISSION *Retransmit;
|
|
EFI_DHCP6_PACKET_OPTION *OptList[HTTP_BOOT_DHCP6_OPTION_MAX_NUM];
|
|
UINT32 OptCount;
|
|
UINT8 Buffer[HTTP_BOOT_DHCP6_OPTION_MAX_SIZE];
|
|
EFI_STATUS Status;
|
|
|
|
Dhcp6 = Private->Dhcp6;
|
|
ASSERT (Dhcp6 != NULL);
|
|
|
|
//
|
|
// Build options list for the request packet.
|
|
//
|
|
OptCount = HttpBootBuildDhcp6Options (Private, OptList, Buffer);
|
|
ASSERT (OptCount >0);
|
|
|
|
Retransmit = AllocateZeroPool (sizeof (EFI_DHCP6_RETRANSMISSION));
|
|
if (Retransmit == NULL) {
|
|
return EFI_OUT_OF_RESOURCES;
|
|
}
|
|
|
|
ZeroMem (&Mode, sizeof (EFI_DHCP6_MODE_DATA));
|
|
ZeroMem (&Config, sizeof (EFI_DHCP6_CONFIG_DATA));
|
|
|
|
Config.OptionCount = OptCount;
|
|
Config.OptionList = OptList;
|
|
Config.Dhcp6Callback = HttpBootDhcp6CallBack;
|
|
Config.CallbackContext = Private;
|
|
Config.IaInfoEvent = NULL;
|
|
Config.RapidCommit = FALSE;
|
|
Config.ReconfigureAccept = FALSE;
|
|
Config.IaDescriptor.IaId = NET_RANDOM (NetRandomInitSeed ());
|
|
Config.IaDescriptor.Type = EFI_DHCP6_IA_TYPE_NA;
|
|
Config.SolicitRetransmission = Retransmit;
|
|
Retransmit->Irt = 4;
|
|
Retransmit->Mrc = 4;
|
|
Retransmit->Mrt = 32;
|
|
Retransmit->Mrd = 60;
|
|
|
|
//
|
|
// Configure the DHCPv6 instance for HTTP boot.
|
|
//
|
|
Status = Dhcp6->Configure (Dhcp6, &Config);
|
|
FreePool (Retransmit);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_EXIT;
|
|
}
|
|
//
|
|
// Initialize the record fields for DHCPv6 offer in private data.
|
|
//
|
|
Private->OfferNum = 0;
|
|
Private->SelectIndex = 0;
|
|
ZeroMem (Private->OfferCount, sizeof (Private->OfferCount));
|
|
ZeroMem (Private->OfferIndex, sizeof (Private->OfferIndex));
|
|
|
|
//
|
|
// Start DHCPv6 S.A.R.R. process to acquire IPv6 address.
|
|
//
|
|
Status = Dhcp6->Start (Dhcp6);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_EXIT;
|
|
}
|
|
|
|
//
|
|
// Get the acquired IPv6 address and store them.
|
|
//
|
|
Status = Dhcp6->GetModeData (Dhcp6, &Mode, NULL);
|
|
if (EFI_ERROR (Status)) {
|
|
goto ON_EXIT;
|
|
}
|
|
|
|
ASSERT (Mode.Ia->State == Dhcp6Bound);
|
|
CopyMem (&Private->StationIp.v6, &Mode.Ia->IaAddress[0].IpAddress, sizeof (EFI_IPv6_ADDRESS));
|
|
|
|
AsciiPrint ("\n Station IPv6 address is ");
|
|
HttpBootShowIp6Addr (&Private->StationIp.v6);
|
|
AsciiPrint ("\n");
|
|
|
|
ON_EXIT:
|
|
if (EFI_ERROR (Status)) {
|
|
Dhcp6->Stop (Dhcp6);
|
|
Dhcp6->Configure (Dhcp6, NULL);
|
|
} else {
|
|
ZeroMem (&Config, sizeof (EFI_DHCP6_CONFIG_DATA));
|
|
Dhcp6->Configure (Dhcp6, &Config);
|
|
if (Mode.ClientId != NULL) {
|
|
FreePool (Mode.ClientId);
|
|
}
|
|
if (Mode.Ia != NULL) {
|
|
FreePool (Mode.Ia);
|
|
}
|
|
}
|
|
|
|
return Status;
|
|
|
|
}
|
|
|