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455 lines
16 KiB
C
455 lines
16 KiB
C
/** @file
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Implementation of EFI_COMPONENT_NAME_PROTOCOL and EFI_COMPONENT_NAME2_PROTOCOL protocol.
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Copyright (c) 2016 - 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 "DnsImpl.h"
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//
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// EFI Component Name Functions
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//
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/**
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Retrieves a Unicode string that is the user-readable name of the EFI Driver.
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@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
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@param Language A pointer to a three-character ISO 639-2 language identifier.
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This is the language of the driver name that that the caller
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is requesting, and it must match one of the languages specified
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in SupportedLanguages. The number of languages supported by a
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driver is up to the driver writer.
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@param DriverName A pointer to the Unicode string to return. This Unicode string
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is the name of the driver specified by This in the language
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specified by Language.
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@retval EFI_SUCCESS The Unicode string for the Driver specified by This
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and the language specified by Language was returned
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in DriverName.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER DriverName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support the
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language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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DnsComponentNameGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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);
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/**
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Retrieves a Unicode string that is the user readable name of the controller
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that is being managed by an EFI Driver.
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@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
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@param ControllerHandle The handle of a controller that the driver specified by
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This is managing. This handle specifies the controller
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whose name is to be returned.
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@param ChildHandle The handle of the child controller to retrieve the name
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of. This is an optional parameter that may be NULL. It
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will be NULL for device drivers. It will also be NULL
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for a bus drivers that wish to retrieve the name of the
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bus controller. It will not be NULL for a bus driver
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that wishes to retrieve the name of a child controller.
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@param Language A pointer to a three character ISO 639-2 language
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identifier. This is the language of the controller name
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that the caller is requesting, and it must match one
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of the languages specified in SupportedLanguages. The
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number of languages supported by a driver is up to the
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driver writer.
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@param ControllerName A pointer to the Unicode string to return. This Unicode
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string is the name of the controller specified by
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ControllerHandle and ChildHandle in the language specified
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by Language, from the point of view of the driver specified
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by This.
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@retval EFI_SUCCESS The Unicode string for the user-readable name in the
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language specified by Language for the driver
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specified by This was returned in DriverName.
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@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ControllerName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This is not currently managing
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the controller specified by ControllerHandle and
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ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support the
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language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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DnsComponentNameGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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);
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///
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/// Component Name Protocol instance
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///
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GLOBAL_REMOVE_IF_UNREFERENCED
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EFI_COMPONENT_NAME_PROTOCOL gDnsComponentName = {
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DnsComponentNameGetDriverName,
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DnsComponentNameGetControllerName,
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"eng"
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};
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///
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/// Component Name 2 Protocol instance
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///
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GLOBAL_REMOVE_IF_UNREFERENCED
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EFI_COMPONENT_NAME2_PROTOCOL gDnsComponentName2 = {
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(EFI_COMPONENT_NAME2_GET_DRIVER_NAME)DnsComponentNameGetDriverName,
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(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME)DnsComponentNameGetControllerName,
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"en"
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};
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///
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/// Table of driver names
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///
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GLOBAL_REMOVE_IF_UNREFERENCED
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EFI_UNICODE_STRING_TABLE mDnsDriverNameTable[] = {
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{ "eng;en", (CHAR16 *)L"DNS Network Service Driver" },
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{ NULL, NULL }
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};
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gDnsControllerNameTable = NULL;
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/**
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Retrieves a Unicode string that is the user-readable name of the EFI Driver.
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@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
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@param Language A pointer to a three-character ISO 639-2 language identifier.
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This is the language of the driver name that that the caller
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is requesting, and it must match one of the languages specified
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in SupportedLanguages. The number of languages supported by a
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driver is up to the driver writer.
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@param DriverName A pointer to the Unicode string to return. This Unicode string
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is the name of the driver specified by This in the language
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specified by Language.
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@retval EFI_SUCCESS The Unicode string for the Driver specified by This
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and the language specified by Language was returned
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in DriverName.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER DriverName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support the
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language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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DnsComponentNameGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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)
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{
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return LookupUnicodeString2 (
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Language,
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This->SupportedLanguages,
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mDnsDriverNameTable,
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DriverName,
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(BOOLEAN)(This == &gDnsComponentName)
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);
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}
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/**
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Update the component name for the Dns4 child handle.
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@param Dns4 A pointer to the EFI_DNS4_PROTOCOL.
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@retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully.
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@retval EFI_INVALID_PARAMETER The input parameter is invalid.
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**/
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EFI_STATUS
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UpdateDns4Name (
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EFI_DNS4_PROTOCOL *Dns4
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)
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{
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EFI_STATUS Status;
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CHAR16 HandleName[80];
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EFI_DNS4_MODE_DATA ModeData;
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if (Dns4 == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// Format the child name into the string buffer as:
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// DNSv4 (StationIp=?, LocalPort=?)
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//
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Status = Dns4->GetModeData (Dns4, &ModeData);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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UnicodeSPrint (
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HandleName,
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sizeof (HandleName),
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L"DNSv4 (StationIp=%d.%d.%d.%d, LocalPort=%d)",
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ModeData.DnsConfigData.StationIp.Addr[0],
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ModeData.DnsConfigData.StationIp.Addr[1],
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ModeData.DnsConfigData.StationIp.Addr[2],
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ModeData.DnsConfigData.StationIp.Addr[3],
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ModeData.DnsConfigData.LocalPort
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);
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if (ModeData.DnsCacheList != NULL) {
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FreePool (ModeData.DnsCacheList);
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}
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if (ModeData.DnsServerList != NULL) {
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FreePool (ModeData.DnsServerList);
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}
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if (gDnsControllerNameTable != NULL) {
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FreeUnicodeStringTable (gDnsControllerNameTable);
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gDnsControllerNameTable = NULL;
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}
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Status = AddUnicodeString2 (
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"eng",
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gDnsComponentName.SupportedLanguages,
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&gDnsControllerNameTable,
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HandleName,
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TRUE
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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return AddUnicodeString2 (
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"en",
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gDnsComponentName2.SupportedLanguages,
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&gDnsControllerNameTable,
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HandleName,
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FALSE
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);
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}
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/**
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Update the component name for the Dns6 child handle.
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@param Dns6 A pointer to the EFI_DNS6_PROTOCOL.
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@retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully.
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@retval EFI_INVALID_PARAMETER The input parameter is invalid.
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**/
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EFI_STATUS
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UpdateDns6Name (
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EFI_DNS6_PROTOCOL *Dns6
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)
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{
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EFI_STATUS Status;
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CHAR16 HandleName[128];
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EFI_DNS6_MODE_DATA ModeData;
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CHAR16 Address[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"];
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if (Dns6 == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// Format the child name into the string buffer as:
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// DNSv6 (StationIp=?, LocalPort=?)
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//
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Status = Dns6->GetModeData (Dns6, &ModeData);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Status = NetLibIp6ToStr (&ModeData.DnsConfigData.StationIp, Address, sizeof (Address));
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if (EFI_ERROR (Status)) {
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return Status;
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}
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UnicodeSPrint (
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HandleName,
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sizeof (HandleName),
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L"DNSv6 (StationIp=%s, LocalPort=%d)",
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Address,
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ModeData.DnsConfigData.LocalPort
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);
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if (ModeData.DnsCacheList != NULL) {
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FreePool (ModeData.DnsCacheList);
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}
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if (ModeData.DnsServerList != NULL) {
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FreePool (ModeData.DnsServerList);
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}
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if (gDnsControllerNameTable != NULL) {
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FreeUnicodeStringTable (gDnsControllerNameTable);
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gDnsControllerNameTable = NULL;
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}
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Status = AddUnicodeString2 (
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"eng",
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gDnsComponentName.SupportedLanguages,
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&gDnsControllerNameTable,
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HandleName,
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TRUE
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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return AddUnicodeString2 (
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"en",
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gDnsComponentName2.SupportedLanguages,
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&gDnsControllerNameTable,
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HandleName,
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FALSE
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);
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}
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/**
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Retrieves a Unicode string that is the user readable name of the controller
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that is being managed by an EFI Driver.
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@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
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@param ControllerHandle The handle of a controller that the driver specified by
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This is managing. This handle specifies the controller
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whose name is to be returned.
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@param ChildHandle The handle of the child controller to retrieve the name
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of. This is an optional parameter that may be NULL. It
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will be NULL for device drivers. It will also be NULL
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for a bus drivers that wish to retrieve the name of the
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bus controller. It will not be NULL for a bus driver
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that wishes to retrieve the name of a child controller.
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@param Language A pointer to a three character ISO 639-2 language
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identifier. This is the language of the controller name
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that the caller is requesting, and it must match one
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of the languages specified in SupportedLanguages. The
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number of languages supported by a driver is up to the
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driver writer.
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@param ControllerName A pointer to the Unicode string to return. This Unicode
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string is the name of the controller specified by
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ControllerHandle and ChildHandle in the language specified
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by Language, from the point of view of the driver specified
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by This.
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@retval EFI_SUCCESS The Unicode string for the user-readable name in the
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language specified by Language for the driver
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specified by This was returned in DriverName.
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@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ControllerName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This is not currently managing
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the controller specified by ControllerHandle and
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ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support the
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language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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DnsComponentNameGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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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_DNS6_PROTOCOL *Dns6;
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//
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// ChildHandle must be NULL for a Device Driver
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//
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if (ChildHandle == NULL) {
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return EFI_UNSUPPORTED;
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}
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//
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// Make sure this driver produced ChildHandle
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//
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Status = EfiTestChildHandle (
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ControllerHandle,
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ChildHandle,
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&gEfiUdp6ProtocolGuid
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);
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if (!EFI_ERROR (Status)) {
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//
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// Retrieve an instance of a produced protocol from ChildHandle
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//
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Status = gBS->OpenProtocol (
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ChildHandle,
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&gEfiDns6ProtocolGuid,
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(VOID **)&Dns6,
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NULL,
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NULL,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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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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// Update the component name for this child handle.
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//
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Status = UpdateDns6Name (Dns6);
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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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//
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// Make sure this driver produced ChildHandle
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//
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Status = EfiTestChildHandle (
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ControllerHandle,
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ChildHandle,
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&gEfiUdp4ProtocolGuid
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);
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if (!EFI_ERROR (Status)) {
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//
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// Retrieve an instance of a produced protocol from ChildHandle
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//
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Status = gBS->OpenProtocol (
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ChildHandle,
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&gEfiDns4ProtocolGuid,
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(VOID **)&Dns4,
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NULL,
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NULL,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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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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// Update the component name for this child handle.
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//
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Status = UpdateDns4Name (Dns4);
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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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return LookupUnicodeString2 (
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Language,
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This->SupportedLanguages,
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gDnsControllerNameTable,
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ControllerName,
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(BOOLEAN)(This == &gDnsComponentName)
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);
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}
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