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		ce22514e48
		
	
	
	
	
		
			
			Multiple network protocols have a GetModeData() interface, which may allocate memory resource in the return mode data structure. It's callers responsibility to free these buffers. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Zhang Lubo <lubo.zhang@intel.com> Reviewed-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Wu Jiaxin <jiaxin.wu@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19758 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			458 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			458 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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| 
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| Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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| This program and the accompanying materials
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| are licensed and made available under the terms and conditions of the BSD License
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| which accompanies this distribution.  The full text of the license may be found at
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| http://opensource.org/licenses/bsd-license.php
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| 
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| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 
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| **/
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| 
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| #include "DnsImpl.h"
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| 
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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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| 
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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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| 
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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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| **/
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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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| /**
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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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| 
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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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| 
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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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| **/
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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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| 
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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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| ///
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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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| ///
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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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| 
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| GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gDnsControllerNameTable = NULL;
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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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| 
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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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| 
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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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| **/
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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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| /**
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|   Update the component name for the Dns4 child handle.
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| 
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|   @param  Dns4                       A pointer to the EFI_DNS4_PROTOCOL.
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| 
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|   
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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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| **/
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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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| 
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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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|   //
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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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|   
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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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| 
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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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| 
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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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|   
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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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|   
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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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| /**
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|   Update the component name for the Dns6 child handle.
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| 
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|   @param  Dns6                       A pointer to the EFI_DNS6_PROTOCOL.
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| 
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|   
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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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| **/
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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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| 
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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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|   //
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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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| 
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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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| 
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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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| 
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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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|   
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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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|   
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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
 | |
|   that is being managed by an EFI Driver.
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| 
 | |
|   @param  This             A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
 | |
|   @param  ControllerHandle The handle of a controller that the driver specified by
 | |
|                            This is managing.  This handle specifies the controller
 | |
|                            whose name is to be returned.
 | |
|   @param  ChildHandle      The handle of the child controller to retrieve the name
 | |
|                            of.  This is an optional parameter that may be NULL.  It
 | |
|                            will be NULL for device drivers.  It will also be NULL
 | |
|                            for a bus drivers that wish to retrieve the name of the
 | |
|                            bus controller.  It will not be NULL for a bus driver
 | |
|                            that wishes to retrieve the name of a child controller.
 | |
|   @param  Language         A pointer to a three character ISO 639-2 language
 | |
|                            identifier.  This is the language of the controller name
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|                            that the caller is requesting, and it must match one
 | |
|                            of the languages specified in SupportedLanguages.  The
 | |
|                            number of languages supported by a driver is up to the
 | |
|                            driver writer.
 | |
|   @param  ControllerName   A pointer to the Unicode string to return.  This Unicode
 | |
|                            string is the name of the controller specified by
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|                            ControllerHandle and ChildHandle in the language specified
 | |
|                            by Language, from the point of view of the driver specified
 | |
|                            by This.
 | |
| 
 | |
|   @retval EFI_SUCCESS           The Unicode string for the user-readable name in the
 | |
|                                 language specified by Language for the driver
 | |
|                                 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.
 | |
|   @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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| 
 | |
| **/
 | |
| 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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|   //
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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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|   //
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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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|     //
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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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|   //
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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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|              );
 | |
|   if (!EFI_ERROR (Status)) {
 | |
|     //
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|     // Retrieve an instance of a produced protocol from ChildHandle
 | |
|     //
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|     Status = gBS->OpenProtocol (
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|                     ChildHandle,
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|                     &gEfiDns4ProtocolGuid,
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|                     (VOID **)&Dns4,
 | |
|                     NULL,
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|                     NULL,
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|                     EFI_OPEN_PROTOCOL_GET_PROTOCOL
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|                     );
 | |
|     if (EFI_ERROR (Status)) {
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|       return Status;
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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);
 | |
|     if (EFI_ERROR (Status)) {
 | |
|       return Status;
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|     }
 | |
|   }
 | |
| 
 | |
|   return LookupUnicodeString2 (
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|            Language,
 | |
|            This->SupportedLanguages,
 | |
|            gDnsControllerNameTable,
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|            ControllerName,
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|            (BOOLEAN)(This == &gDnsComponentName)
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|            );
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| }
 |