mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-27 12:15:19 +01:00
410 lines
12 KiB
C
410 lines
12 KiB
C
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/** @file
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Routines for HttpDxe driver to perform DNS resolution based on UEFI DNS protocols.
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Copyright (c) 2017 - 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 "HttpDriver.h"
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/**
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Retrieve the host address using the EFI_DNS4_PROTOCOL.
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@param[in] HttpInstance Pointer to HTTP_PROTOCOL instance.
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@param[in] HostName Pointer to buffer containing hostname.
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@param[out] IpAddress On output, pointer to buffer containing IPv4 address.
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@retval EFI_SUCCESS Operation succeeded.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
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@retval EFI_DEVICE_ERROR An unexpected network error occurred.
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@retval Others Other errors as indicated.
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**/
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EFI_STATUS
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HttpDns4 (
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IN HTTP_PROTOCOL *HttpInstance,
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IN CHAR16 *HostName,
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OUT EFI_IPv4_ADDRESS *IpAddress
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)
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{
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EFI_STATUS Status;
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EFI_DNS4_PROTOCOL *Dns4;
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EFI_DNS4_CONFIG_DATA Dns4CfgData;
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EFI_DNS4_COMPLETION_TOKEN Token;
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BOOLEAN IsDone;
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HTTP_SERVICE *Service;
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EFI_HANDLE Dns4Handle;
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EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;
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UINTN DnsServerListCount;
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EFI_IPv4_ADDRESS *DnsServerList;
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UINTN DataSize;
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Service = HttpInstance->Service;
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ASSERT (Service != NULL);
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DnsServerList = NULL;
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DnsServerListCount = 0;
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ZeroMem (&Token, sizeof (EFI_DNS4_COMPLETION_TOKEN));
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//
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// Get DNS server list from EFI IPv4 Configuration II protocol.
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//
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Status = gBS->HandleProtocol (Service->ControllerHandle, &gEfiIp4Config2ProtocolGuid, (VOID **) &Ip4Config2);
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if (!EFI_ERROR (Status)) {
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//
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// Get the required size.
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//
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DataSize = 0;
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Status = Ip4Config2->GetData (Ip4Config2, Ip4Config2DataTypeDnsServer, &DataSize, NULL);
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if (Status == EFI_BUFFER_TOO_SMALL) {
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DnsServerList = AllocatePool (DataSize);
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if (DnsServerList == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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Status = Ip4Config2->GetData (Ip4Config2, Ip4Config2DataTypeDnsServer, &DataSize, DnsServerList);
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if (EFI_ERROR (Status)) {
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FreePool (DnsServerList);
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DnsServerList = NULL;
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} else {
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DnsServerListCount = DataSize / sizeof (EFI_IPv4_ADDRESS);
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}
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}
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}
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Dns4Handle = NULL;
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Dns4 = NULL;
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//
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// Create a DNS child instance and get the protocol.
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//
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Status = NetLibCreateServiceChild (
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Service->ControllerHandle,
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Service->Ip4DriverBindingHandle,
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&gEfiDns4ServiceBindingProtocolGuid,
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&Dns4Handle
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);
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if (EFI_ERROR (Status)) {
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goto Exit;
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}
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Status = gBS->OpenProtocol (
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Dns4Handle,
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&gEfiDns4ProtocolGuid,
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(VOID **) &Dns4,
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Service->Ip4DriverBindingHandle,
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Service->ControllerHandle,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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goto Exit;
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}
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//
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// Configure DNS4 instance for the DNS server address and protocol.
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//
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ZeroMem (&Dns4CfgData, sizeof (Dns4CfgData));
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Dns4CfgData.DnsServerListCount = DnsServerListCount;
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Dns4CfgData.DnsServerList = DnsServerList;
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Dns4CfgData.UseDefaultSetting = HttpInstance->IPv4Node.UseDefaultAddress;
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if (!Dns4CfgData.UseDefaultSetting) {
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IP4_COPY_ADDRESS (&Dns4CfgData.StationIp, &HttpInstance->IPv4Node.LocalAddress);
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IP4_COPY_ADDRESS (&Dns4CfgData.SubnetMask, &HttpInstance->IPv4Node.LocalSubnet);
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}
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Dns4CfgData.EnableDnsCache = TRUE;
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Dns4CfgData.Protocol = EFI_IP_PROTO_UDP;
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Status = Dns4->Configure (
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Dns4,
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&Dns4CfgData
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);
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if (EFI_ERROR (Status)) {
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goto Exit;
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}
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//
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// Create event to set the is done flag when name resolution is finished.
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//
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ZeroMem (&Token, sizeof (Token));
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Status = gBS->CreateEvent (
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EVT_NOTIFY_SIGNAL,
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TPL_NOTIFY,
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HttpCommonNotify,
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&IsDone,
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&Token.Event
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);
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if (EFI_ERROR (Status)) {
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goto Exit;
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}
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//
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// Start asynchronous name resolution.
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//
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Token.Status = EFI_NOT_READY;
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IsDone = FALSE;
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Status = Dns4->HostNameToIp (Dns4, HostName, &Token);
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if (EFI_ERROR (Status)) {
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goto Exit;
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}
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while (!IsDone) {
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Dns4->Poll (Dns4);
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}
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//
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// Name resolution is done, check result.
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//
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Status = Token.Status;
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if (!EFI_ERROR (Status)) {
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if (Token.RspData.H2AData == NULL) {
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Status = EFI_DEVICE_ERROR;
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goto Exit;
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}
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if (Token.RspData.H2AData->IpCount == 0 || Token.RspData.H2AData->IpList == NULL) {
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Status = EFI_DEVICE_ERROR;
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goto Exit;
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}
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//
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// We just return the first IP address from DNS protocol.
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//
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IP4_COPY_ADDRESS (IpAddress, Token.RspData.H2AData->IpList);
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Status = EFI_SUCCESS;
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}
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Exit:
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if (Token.Event != NULL) {
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gBS->CloseEvent (Token.Event);
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}
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if (Token.RspData.H2AData != NULL) {
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if (Token.RspData.H2AData->IpList != NULL) {
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FreePool (Token.RspData.H2AData->IpList);
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}
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FreePool (Token.RspData.H2AData);
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}
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if (Dns4 != NULL) {
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Dns4->Configure (Dns4, NULL);
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gBS->CloseProtocol (
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Dns4Handle,
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&gEfiDns4ProtocolGuid,
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Service->Ip4DriverBindingHandle,
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Service->ControllerHandle
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);
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}
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if (Dns4Handle != NULL) {
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NetLibDestroyServiceChild (
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Service->ControllerHandle,
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Service->Ip4DriverBindingHandle,
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&gEfiDns4ServiceBindingProtocolGuid,
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Dns4Handle
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);
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}
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if (DnsServerList != NULL) {
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FreePool (DnsServerList);
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}
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return Status;
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}
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/**
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Retrieve the host address using the EFI_DNS6_PROTOCOL.
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@param[in] HttpInstance Pointer to HTTP_PROTOCOL instance.
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@param[in] HostName Pointer to buffer containing hostname.
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@param[out] IpAddress On output, pointer to buffer containing IPv6 address.
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@retval EFI_SUCCESS Operation succeeded.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
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@retval EFI_DEVICE_ERROR An unexpected network error occurred.
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@retval Others Other errors as indicated.
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**/
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EFI_STATUS
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HttpDns6 (
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IN HTTP_PROTOCOL *HttpInstance,
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IN CHAR16 *HostName,
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OUT EFI_IPv6_ADDRESS *IpAddress
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)
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{
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EFI_STATUS Status;
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HTTP_SERVICE *Service;
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EFI_DNS6_PROTOCOL *Dns6;
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EFI_DNS6_CONFIG_DATA Dns6ConfigData;
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EFI_DNS6_COMPLETION_TOKEN Token;
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EFI_HANDLE Dns6Handle;
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EFI_IP6_CONFIG_PROTOCOL *Ip6Config;
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EFI_IPv6_ADDRESS *DnsServerList;
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UINTN DnsServerListCount;
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UINTN DataSize;
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BOOLEAN IsDone;
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Service = HttpInstance->Service;
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ASSERT (Service != NULL);
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DnsServerList = NULL;
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DnsServerListCount = 0;
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Dns6 = NULL;
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Dns6Handle = NULL;
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ZeroMem (&Token, sizeof (EFI_DNS6_COMPLETION_TOKEN));
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//
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// Get DNS server list from EFI IPv6 Configuration protocol.
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//
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Status = gBS->HandleProtocol (Service->ControllerHandle, &gEfiIp6ConfigProtocolGuid, (VOID **) &Ip6Config);
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if (!EFI_ERROR (Status)) {
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//
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// Get the required size.
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//
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DataSize = 0;
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Status = Ip6Config->GetData (Ip6Config, Ip6ConfigDataTypeDnsServer, &DataSize, NULL);
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if (Status == EFI_BUFFER_TOO_SMALL) {
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DnsServerList = AllocatePool (DataSize);
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if (DnsServerList == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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Status = Ip6Config->GetData (Ip6Config, Ip6ConfigDataTypeDnsServer, &DataSize, DnsServerList);
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if (EFI_ERROR (Status)) {
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FreePool (DnsServerList);
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DnsServerList = NULL;
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} else {
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DnsServerListCount = DataSize / sizeof (EFI_IPv6_ADDRESS);
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}
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}
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}
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//
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// Create a DNSv6 child instance and get the protocol.
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//
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Status = NetLibCreateServiceChild (
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Service->ControllerHandle,
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Service->Ip6DriverBindingHandle,
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&gEfiDns6ServiceBindingProtocolGuid,
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&Dns6Handle
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);
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if (EFI_ERROR (Status)) {
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goto Exit;
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}
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Status = gBS->OpenProtocol (
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Dns6Handle,
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&gEfiDns6ProtocolGuid,
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(VOID **) &Dns6,
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Service->Ip6DriverBindingHandle,
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Service->ControllerHandle,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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goto Exit;
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}
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//
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// Configure DNS6 instance for the DNS server address and protocol.
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//
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ZeroMem (&Dns6ConfigData, sizeof (EFI_DNS6_CONFIG_DATA));
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Dns6ConfigData.DnsServerCount = (UINT32)DnsServerListCount;
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Dns6ConfigData.DnsServerList = DnsServerList;
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Dns6ConfigData.EnableDnsCache = TRUE;
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Dns6ConfigData.Protocol = EFI_IP_PROTO_UDP;
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IP6_COPY_ADDRESS (&Dns6ConfigData.StationIp, &HttpInstance->Ipv6Node.LocalAddress);
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Status = Dns6->Configure (
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Dns6,
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&Dns6ConfigData
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);
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if (EFI_ERROR (Status)) {
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goto Exit;
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}
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Token.Status = EFI_NOT_READY;
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IsDone = FALSE;
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//
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// Create event to set the IsDone flag when name resolution is finished.
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//
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Status = gBS->CreateEvent (
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EVT_NOTIFY_SIGNAL,
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TPL_NOTIFY,
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HttpCommonNotify,
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&IsDone,
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&Token.Event
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);
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if (EFI_ERROR (Status)) {
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goto Exit;
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}
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//
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// Start asynchronous name resolution.
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//
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Status = Dns6->HostNameToIp (Dns6, HostName, &Token);
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if (EFI_ERROR (Status)) {
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goto Exit;
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}
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while (!IsDone) {
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Dns6->Poll (Dns6);
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}
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//
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// Name resolution is done, check result.
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//
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Status = Token.Status;
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if (!EFI_ERROR (Status)) {
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if (Token.RspData.H2AData == NULL) {
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Status = EFI_DEVICE_ERROR;
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goto Exit;
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}
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if (Token.RspData.H2AData->IpCount == 0 || Token.RspData.H2AData->IpList == NULL) {
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Status = EFI_DEVICE_ERROR;
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goto Exit;
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}
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//
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// We just return the first IPv6 address from DNS protocol.
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//
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IP6_COPY_ADDRESS (IpAddress, Token.RspData.H2AData->IpList);
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Status = EFI_SUCCESS;
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}
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Exit:
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if (Token.Event != NULL) {
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gBS->CloseEvent (Token.Event);
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}
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if (Token.RspData.H2AData != NULL) {
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if (Token.RspData.H2AData->IpList != NULL) {
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FreePool (Token.RspData.H2AData->IpList);
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}
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FreePool (Token.RspData.H2AData);
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}
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if (Dns6 != NULL) {
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Dns6->Configure (Dns6, NULL);
|
||
|
|
|
||
|
|
gBS->CloseProtocol (
|
||
|
|
Dns6Handle,
|
||
|
|
&gEfiDns6ProtocolGuid,
|
||
|
|
Service->Ip6DriverBindingHandle,
|
||
|
|
Service->ControllerHandle
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (Dns6Handle != NULL) {
|
||
|
|
NetLibDestroyServiceChild (
|
||
|
|
Service->ControllerHandle,
|
||
|
|
Service->Ip6DriverBindingHandle,
|
||
|
|
&gEfiDns6ServiceBindingProtocolGuid,
|
||
|
|
Dns6Handle
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (DnsServerList != NULL) {
|
||
|
|
FreePool (DnsServerList);
|
||
|
|
}
|
||
|
|
|
||
|
|
return Status;
|
||
|
|
}
|