/** @file | |
Implementation of EFI_COMPONENT_NAME_PROTOCOL and EFI_COMPONENT_NAME2_PROTOCOL protocol. | |
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR> | |
This program and the accompanying materials | |
are licensed and made available under the terms and conditions of the BSD License | |
which accompanies this distribution. The full text of the license may be found at | |
http://opensource.org/licenses/bsd-license.php | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
**/ | |
#include "DnsImpl.h" | |
// | |
// EFI Component Name Functions | |
// | |
/** | |
Retrieves a Unicode string that is the user-readable name of the EFI Driver. | |
@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance. | |
@param Language A pointer to a three-character ISO 639-2 language identifier. | |
This is the language of the driver name that 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 DriverName A pointer to the Unicode string to return. This Unicode string | |
is the name of the driver specified by This in the language | |
specified by Language. | |
@retval EFI_SUCCESS The Unicode string for the Driver specified by This | |
and the language specified by Language was returned | |
in DriverName. | |
@retval EFI_INVALID_PARAMETER Language is NULL. | |
@retval EFI_INVALID_PARAMETER DriverName is NULL. | |
@retval EFI_UNSUPPORTED The driver specified by This does not support the | |
language specified by Language. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
DnsComponentNameGetDriverName ( | |
IN EFI_COMPONENT_NAME_PROTOCOL *This, | |
IN CHAR8 *Language, | |
OUT CHAR16 **DriverName | |
); | |
/** | |
Retrieves a Unicode string that is the user readable name of the controller | |
that is being managed by an EFI Driver. | |
@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 | |
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 | |
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. | |
@retval EFI_INVALID_PARAMETER ControllerHandle is NULL. | |
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE. | |
@retval EFI_INVALID_PARAMETER Language is NULL. | |
@retval EFI_INVALID_PARAMETER ControllerName is NULL. | |
@retval EFI_UNSUPPORTED The driver specified by This is not currently managing | |
the controller specified by ControllerHandle and | |
ChildHandle. | |
@retval EFI_UNSUPPORTED The driver specified by This does not support the | |
language specified by Language. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
DnsComponentNameGetControllerName ( | |
IN EFI_COMPONENT_NAME_PROTOCOL *This, | |
IN EFI_HANDLE ControllerHandle, | |
IN EFI_HANDLE ChildHandle OPTIONAL, | |
IN CHAR8 *Language, | |
OUT CHAR16 **ControllerName | |
); | |
/// | |
/// Component Name Protocol instance | |
/// | |
GLOBAL_REMOVE_IF_UNREFERENCED | |
EFI_COMPONENT_NAME_PROTOCOL gDnsComponentName = { | |
DnsComponentNameGetDriverName, | |
DnsComponentNameGetControllerName, | |
"eng" | |
}; | |
/// | |
/// Component Name 2 Protocol instance | |
/// | |
GLOBAL_REMOVE_IF_UNREFERENCED | |
EFI_COMPONENT_NAME2_PROTOCOL gDnsComponentName2 = { | |
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) DnsComponentNameGetDriverName, | |
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) DnsComponentNameGetControllerName, | |
"en" | |
}; | |
/// | |
/// Table of driver names | |
/// | |
GLOBAL_REMOVE_IF_UNREFERENCED | |
EFI_UNICODE_STRING_TABLE mDnsDriverNameTable[] = { | |
{ "eng;en", (CHAR16 *)L"DNS Network Service Driver" }, | |
{ NULL, NULL } | |
}; | |
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gDnsControllerNameTable = NULL; | |
/** | |
Retrieves a Unicode string that is the user-readable name of the EFI Driver. | |
@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance. | |
@param Language A pointer to a three-character ISO 639-2 language identifier. | |
This is the language of the driver name that 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 DriverName A pointer to the Unicode string to return. This Unicode string | |
is the name of the driver specified by This in the language | |
specified by Language. | |
@retval EFI_SUCCESS The Unicode string for the Driver specified by This | |
and the language specified by Language was returned | |
in DriverName. | |
@retval EFI_INVALID_PARAMETER Language is NULL. | |
@retval EFI_INVALID_PARAMETER DriverName is NULL. | |
@retval EFI_UNSUPPORTED The driver specified by This does not support the | |
language specified by Language. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
DnsComponentNameGetDriverName ( | |
IN EFI_COMPONENT_NAME_PROTOCOL *This, | |
IN CHAR8 *Language, | |
OUT CHAR16 **DriverName | |
) | |
{ | |
return LookupUnicodeString2 ( | |
Language, | |
This->SupportedLanguages, | |
mDnsDriverNameTable, | |
DriverName, | |
(BOOLEAN)(This == &gDnsComponentName) | |
); | |
} | |
/** | |
Update the component name for the Dns4 child handle. | |
@param Dns4 A pointer to the EFI_DNS4_PROTOCOL. | |
@retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully. | |
@retval EFI_INVALID_PARAMETER The input parameter is invalid. | |
**/ | |
EFI_STATUS | |
UpdateDns4Name ( | |
EFI_DNS4_PROTOCOL *Dns4 | |
) | |
{ | |
EFI_STATUS Status; | |
CHAR16 HandleName[80]; | |
EFI_DNS4_MODE_DATA ModeData; | |
if (Dns4 == NULL) { | |
return EFI_INVALID_PARAMETER; | |
} | |
// | |
// Format the child name into the string buffer as: | |
// DNSv4 (StationIp=?, LocalPort=?) | |
// | |
Status = Dns4->GetModeData (Dns4, &ModeData); | |
if (EFI_ERROR (Status)) { | |
return Status; | |
} | |
UnicodeSPrint ( | |
HandleName, | |
sizeof (HandleName), | |
L"DNSv4 (StationIp=%d.%d.%d.%d, LocalPort=%d)", | |
ModeData.DnsConfigData.StationIp.Addr[0], | |
ModeData.DnsConfigData.StationIp.Addr[1], | |
ModeData.DnsConfigData.StationIp.Addr[2], | |
ModeData.DnsConfigData.StationIp.Addr[3], | |
ModeData.DnsConfigData.LocalPort | |
); | |
if (gDnsControllerNameTable != NULL) { | |
FreeUnicodeStringTable (gDnsControllerNameTable); | |
gDnsControllerNameTable = NULL; | |
} | |
Status = AddUnicodeString2 ( | |
"eng", | |
gDnsComponentName.SupportedLanguages, | |
&gDnsControllerNameTable, | |
HandleName, | |
TRUE | |
); | |
if (EFI_ERROR (Status)) { | |
return Status; | |
} | |
return AddUnicodeString2 ( | |
"en", | |
gDnsComponentName2.SupportedLanguages, | |
&gDnsControllerNameTable, | |
HandleName, | |
FALSE | |
); | |
} | |
/** | |
Update the component name for the Dns6 child handle. | |
@param Dns6 A pointer to the EFI_DNS6_PROTOCOL. | |
@retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully. | |
@retval EFI_INVALID_PARAMETER The input parameter is invalid. | |
**/ | |
EFI_STATUS | |
UpdateDns6Name ( | |
EFI_DNS6_PROTOCOL *Dns6 | |
) | |
{ | |
EFI_STATUS Status; | |
CHAR16 HandleName[128]; | |
EFI_DNS6_MODE_DATA ModeData; | |
CHAR16 Address[sizeof"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"]; | |
if (Dns6 == NULL) { | |
return EFI_INVALID_PARAMETER; | |
} | |
// | |
// Format the child name into the string buffer as: | |
// DNSv6 (StationIp=?, LocalPort=?) | |
// | |
Status = Dns6->GetModeData (Dns6, &ModeData); | |
if (EFI_ERROR (Status)) { | |
return Status; | |
} | |
Status = NetLibIp6ToStr (&ModeData.DnsConfigData.StationIp, Address, sizeof (Address)); | |
if (EFI_ERROR (Status)) { | |
return Status; | |
} | |
UnicodeSPrint ( | |
HandleName, | |
sizeof (HandleName), | |
L"DNSv6 (StationIp=%s, LocalPort=%d)", | |
Address, | |
ModeData.DnsConfigData.LocalPort | |
); | |
if (gDnsControllerNameTable != NULL) { | |
FreeUnicodeStringTable (gDnsControllerNameTable); | |
gDnsControllerNameTable = NULL; | |
} | |
Status = AddUnicodeString2 ( | |
"eng", | |
gDnsComponentName.SupportedLanguages, | |
&gDnsControllerNameTable, | |
HandleName, | |
TRUE | |
); | |
if (EFI_ERROR (Status)) { | |
return Status; | |
} | |
return AddUnicodeString2 ( | |
"en", | |
gDnsComponentName2.SupportedLanguages, | |
&gDnsControllerNameTable, | |
HandleName, | |
FALSE | |
); | |
} | |
/** | |
Retrieves a Unicode string that is the user readable name of the controller | |
that is being managed by an EFI Driver. | |
@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 | |
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 | |
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. | |
@retval EFI_INVALID_PARAMETER ControllerHandle is NULL. | |
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE. | |
@retval EFI_INVALID_PARAMETER Language is NULL. | |
@retval EFI_INVALID_PARAMETER ControllerName is NULL. | |
@retval EFI_UNSUPPORTED The driver specified by This is not currently managing | |
the controller specified by ControllerHandle and | |
ChildHandle. | |
@retval EFI_UNSUPPORTED The driver specified by This does not support the | |
language specified by Language. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
DnsComponentNameGetControllerName ( | |
IN EFI_COMPONENT_NAME_PROTOCOL *This, | |
IN EFI_HANDLE ControllerHandle, | |
IN EFI_HANDLE ChildHandle OPTIONAL, | |
IN CHAR8 *Language, | |
OUT CHAR16 **ControllerName | |
) | |
{ | |
EFI_STATUS Status; | |
EFI_DNS4_PROTOCOL *Dns4; | |
EFI_DNS6_PROTOCOL *Dns6; | |
// | |
// ChildHandle must be NULL for a Device Driver | |
// | |
if (ChildHandle == NULL) { | |
return EFI_UNSUPPORTED; | |
} | |
// | |
// Make sure this driver produced ChildHandle | |
// | |
Status = EfiTestChildHandle ( | |
ControllerHandle, | |
ChildHandle, | |
&gEfiUdp6ProtocolGuid | |
); | |
if (!EFI_ERROR (Status)) { | |
// | |
// Retrieve an instance of a produced protocol from ChildHandle | |
// | |
Status = gBS->OpenProtocol ( | |
ChildHandle, | |
&gEfiDns6ProtocolGuid, | |
(VOID **)&Dns6, | |
NULL, | |
NULL, | |
EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
); | |
if (EFI_ERROR (Status)) { | |
return Status; | |
} | |
// | |
// Update the component name for this child handle. | |
// | |
Status = UpdateDns6Name (Dns6); | |
if (EFI_ERROR (Status)) { | |
return Status; | |
} | |
} | |
// | |
// Make sure this driver produced ChildHandle | |
// | |
Status = EfiTestChildHandle ( | |
ControllerHandle, | |
ChildHandle, | |
&gEfiUdp4ProtocolGuid | |
); | |
if (!EFI_ERROR (Status)) { | |
// | |
// Retrieve an instance of a produced protocol from ChildHandle | |
// | |
Status = gBS->OpenProtocol ( | |
ChildHandle, | |
&gEfiDns4ProtocolGuid, | |
(VOID **)&Dns4, | |
NULL, | |
NULL, | |
EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
); | |
if (EFI_ERROR (Status)) { | |
return Status; | |
} | |
// | |
// Update the component name for this child handle. | |
// | |
Status = UpdateDns4Name (Dns4); | |
if (EFI_ERROR (Status)) { | |
return Status; | |
} | |
} | |
return LookupUnicodeString2 ( | |
Language, | |
This->SupportedLanguages, | |
gDnsControllerNameTable, | |
ControllerName, | |
(BOOLEAN)(This == &gDnsComponentName) | |
); | |
} |