diff options
Diffstat (limited to 'NetworkPkg/TlsDxe/TlsDriver.c')
| -rw-r--r-- | NetworkPkg/TlsDxe/TlsDriver.c | 993 |
1 files changed, 497 insertions, 496 deletions
diff --git a/NetworkPkg/TlsDxe/TlsDriver.c b/NetworkPkg/TlsDxe/TlsDriver.c index 38bf5993ce..29bc966c3e 100644 --- a/NetworkPkg/TlsDxe/TlsDriver.c +++ b/NetworkPkg/TlsDxe/TlsDriver.c @@ -1,496 +1,497 @@ -/** @file - The Driver Binding and Service Binding Protocol for TlsDxe driver. - - Copyright (c) 2016, 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 "TlsImpl.h" - -EFI_SERVICE_BINDING_PROTOCOL mTlsServiceBinding = { - TlsServiceBindingCreateChild, - TlsServiceBindingDestroyChild -}; - -/** - Release all the resources used by the TLS instance. - - @param[in] Instance The TLS instance data. - -**/ -VOID -TlsCleanInstance ( - IN TLS_INSTANCE *Instance - ) -{ - if (Instance != NULL) { - if (Instance->TlsConn != NULL) { - TlsFree (Instance->TlsConn); - } - - FreePool (Instance); - } -} - -/** - Create the TLS instance and initialize it. - - @param[in] Service The pointer to the TLS service. - @param[out] Instance The pointer to the TLS instance. - - @retval EFI_OUT_OF_RESOURCES Failed to allocate resources. - @retval EFI_SUCCESS The TLS instance is created. - -**/ -EFI_STATUS -TlsCreateInstance ( - IN TLS_SERVICE *Service, - OUT TLS_INSTANCE **Instance - ) -{ - TLS_INSTANCE *TlsInstance; - - *Instance = NULL; - - TlsInstance = AllocateZeroPool (sizeof (TLS_INSTANCE)); - if (TlsInstance == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - TlsInstance->Signature = TLS_INSTANCE_SIGNATURE; - InitializeListHead (&TlsInstance->Link); - TlsInstance->InDestroy = FALSE; - TlsInstance->Service = Service; - - CopyMem (&TlsInstance->Tls, &mTlsProtocol, sizeof (TlsInstance->Tls)); - CopyMem (&TlsInstance->TlsConfig, &mTlsConfigurationProtocol, sizeof (TlsInstance->TlsConfig)); - - TlsInstance->TlsSessionState = EfiTlsSessionNotStarted; - - *Instance = TlsInstance; - - return EFI_SUCCESS; -} - -/** - Release all the resources used by the TLS service binding instance. - - @param[in] Service The TLS service data. - -**/ -VOID -TlsCleanService ( - IN TLS_SERVICE *Service - ) -{ - if (Service != NULL) { - if (Service->TlsCtx != NULL) { - TlsCtxFree (Service->TlsCtx); - } - - FreePool (Service); - } -} - -/** - Create then initialize a TLS service. - - @param[in] Image ImageHandle of the TLS driver - @param[out] Service The service for TLS driver - - @retval EFI_OUT_OF_RESOURCES Failed to allocate resource to create the service. - @retval EFI_SUCCESS The service is created for the driver. - -**/ -EFI_STATUS -TlsCreateService ( - IN EFI_HANDLE Image, - OUT TLS_SERVICE **Service - ) -{ - TLS_SERVICE *TlsService; - - ASSERT (Service != NULL); - - *Service = NULL; - - // - // Allocate a TLS Service Data - // - TlsService = AllocateZeroPool (sizeof (TLS_SERVICE)); - if (TlsService == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - // - // Initialize TLS Service Data - // - TlsService->Signature = TLS_SERVICE_SIGNATURE; - CopyMem (&TlsService->ServiceBinding, &mTlsServiceBinding, sizeof (TlsService->ServiceBinding)); - TlsService->TlsChildrenNum = 0; - InitializeListHead (&TlsService->TlsChildrenList); - TlsService->ImageHandle = Image; - - *Service = TlsService; - - return EFI_SUCCESS; -} - -/** - Unloads an image. - - @param[in] ImageHandle Handle that identifies the image to be unloaded. - - @retval EFI_SUCCESS The image has been unloaded. - @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle. - -**/ -EFI_STATUS -EFIAPI -TlsUnload ( - IN EFI_HANDLE ImageHandle - ) -{ - EFI_STATUS Status; - UINTN HandleNum; - EFI_HANDLE *HandleBuffer; - UINT32 Index; - EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding; - TLS_SERVICE *TlsService; - - HandleBuffer = NULL; - ServiceBinding = NULL; - TlsService = NULL; - - // - // Locate all the handles with Tls service binding protocol. - // - Status = gBS->LocateHandleBuffer ( - ByProtocol, - &gEfiTlsServiceBindingProtocolGuid, - NULL, - &HandleNum, - &HandleBuffer - ); - if (EFI_ERROR (Status)) { - return Status; - } - - for (Index = 0; Index < HandleNum; Index++) { - // - // Firstly, find ServiceBinding interface - // - Status = gBS->OpenProtocol ( - HandleBuffer[Index], - &gEfiTlsServiceBindingProtocolGuid, - (VOID **) &ServiceBinding, - ImageHandle, - NULL, - EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL - ); - if (EFI_ERROR (Status)) { - return Status; - } - - TlsService = TLS_SERVICE_FROM_THIS (ServiceBinding); - - // - // Then, uninstall ServiceBinding interface - // - Status = gBS->UninstallMultipleProtocolInterfaces ( - HandleBuffer[Index], - &gEfiTlsServiceBindingProtocolGuid, ServiceBinding, - NULL - ); - if (EFI_ERROR (Status)) { - return Status; - } - - TlsCleanService (TlsService); - } - - if (HandleBuffer != NULL) { - FreePool (HandleBuffer); - } - - return EFI_SUCCESS; -} - -/** - This is the declaration of an EFI image entry point. This entry point is - the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including - both device drivers and bus drivers. - - @param ImageHandle The firmware allocated handle for the UEFI image. - @param SystemTable A pointer to the EFI System Table. - - @retval EFI_SUCCESS The operation completed successfully. - @retval Others An unexpected error occurred. -**/ -EFI_STATUS -EFIAPI -TlsDriverEntryPoint ( - IN EFI_HANDLE ImageHandle, - IN EFI_SYSTEM_TABLE *SystemTable - ) -{ - EFI_STATUS Status; - - TLS_SERVICE *TlsService; - - // - // Create TLS Service - // - Status = TlsCreateService (ImageHandle, &TlsService); - if (EFI_ERROR (Status)) { - return Status; - } - - ASSERT (TlsService != NULL); - - // - // Initializes the OpenSSL library. - // - TlsInitialize (); - - // - // Create a new SSL_CTX object as framework to establish TLS/SSL enabled - // connections. TLS 1.0 is used as the default version. - // - TlsService->TlsCtx = TlsCtxNew (TLS10_PROTOCOL_VERSION_MAJOR, TLS10_PROTOCOL_VERSION_MINOR); - if (TlsService->TlsCtx == NULL) { - FreePool (TlsService); - return EFI_ABORTED; - } - - // - // Install the TlsServiceBinding Protocol onto Handle - // - Status = gBS->InstallMultipleProtocolInterfaces ( - &TlsService->Handle, - &gEfiTlsServiceBindingProtocolGuid, - &TlsService->ServiceBinding, - NULL - ); - if (EFI_ERROR (Status)) { - goto ON_CLEAN_SERVICE; - } - - return Status; - -ON_CLEAN_SERVICE: - TlsCleanService (TlsService); - - return Status; -} - -/** - Creates a child handle and installs a protocol. - - The CreateChild() function installs a protocol on ChildHandle. - If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle. - If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle. - - @param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance. - @param[in] ChildHandle Pointer to the handle of the child to create. If it is NULL, - then a new handle is created. If it is a pointer to an existing UEFI handle, - then the protocol is added to the existing UEFI handle. - - @retval EFI_SUCCES The protocol was added to ChildHandle. - @retval EFI_INVALID_PARAMETER ChildHandle is NULL. - @retval EFI_OUT_OF_RESOURCES There are not enough resources available to create - the child. - @retval other The child handle was not created. - -**/ -EFI_STATUS -EFIAPI -TlsServiceBindingCreateChild ( - IN EFI_SERVICE_BINDING_PROTOCOL *This, - IN EFI_HANDLE *ChildHandle - ) -{ - TLS_SERVICE *TlsService; - TLS_INSTANCE *TlsInstance; - EFI_STATUS Status; - EFI_TPL OldTpl; - - if ((This == NULL) || (ChildHandle == NULL)) { - return EFI_INVALID_PARAMETER; - } - - TlsService = TLS_SERVICE_FROM_THIS (This); - - Status = TlsCreateInstance (TlsService, &TlsInstance); - if (EFI_ERROR (Status)) { - return Status; - } - - ASSERT (TlsInstance != NULL); - - // - // Create a new TLS connection object. - // - TlsInstance->TlsConn = TlsNew (TlsService->TlsCtx); - if (TlsInstance->TlsConn == NULL) { - Status = EFI_ABORTED; - goto ON_ERROR; - } - - // - // Set default ConnectionEnd to EfiTlsClient - // - Status = TlsSetConnectionEnd (TlsInstance->TlsConn, EfiTlsClient); - if (EFI_ERROR (Status)) { - goto ON_ERROR; - } - - // - // Install TLS protocol and configuration protocol onto ChildHandle - // - Status = gBS->InstallMultipleProtocolInterfaces ( - ChildHandle, - &gEfiTlsProtocolGuid, - &TlsInstance->Tls, - &gEfiTlsConfigurationProtocolGuid, - &TlsInstance->TlsConfig, - NULL - ); - if (EFI_ERROR (Status)) { - goto ON_ERROR; - } - - TlsInstance->ChildHandle = *ChildHandle; - - // - // Add it to the TLS service's child list. - // - OldTpl = gBS->RaiseTPL (TPL_CALLBACK); - - InsertTailList (&TlsService->TlsChildrenList, &TlsInstance->Link); - TlsService->TlsChildrenNum++; - - gBS->RestoreTPL (OldTpl); - - return EFI_SUCCESS; - -ON_ERROR: - TlsCleanInstance (TlsInstance); - return Status; -} - -/** - Destroys a child handle with a protocol installed on it. - - The DestroyChild() function does the opposite of CreateChild(). It removes a protocol - that was installed by CreateChild() from ChildHandle. If the removed protocol is the - last protocol on ChildHandle, then ChildHandle is destroyed. - - @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance. - @param ChildHandle Handle of the child to destroy. - - @retval EFI_SUCCES The protocol was removed from ChildHandle. - @retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed. - @retval EFI_INVALID_PARAMETER Child handle is NULL. - @retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle - because its services are being used. - @retval other The child handle was not destroyed. - -**/ -EFI_STATUS -EFIAPI -TlsServiceBindingDestroyChild ( - IN EFI_SERVICE_BINDING_PROTOCOL *This, - IN EFI_HANDLE ChildHandle - ) -{ - TLS_SERVICE *TlsService; - TLS_INSTANCE *TlsInstance; - - EFI_TLS_PROTOCOL *Tls; - EFI_TLS_CONFIGURATION_PROTOCOL *TlsConfig; - EFI_STATUS Status; - EFI_TPL OldTpl; - - if ((This == NULL) || (ChildHandle == NULL)) { - return EFI_INVALID_PARAMETER; - } - - TlsService = TLS_SERVICE_FROM_THIS (This); - - // - // Find TLS protocol interface installed in ChildHandle - // - Status = gBS->OpenProtocol ( - ChildHandle, - &gEfiTlsProtocolGuid, - (VOID **) &Tls, - TlsService->ImageHandle, - NULL, - EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL - ); - if (EFI_ERROR (Status)) { - return Status; - } - - // - // Find TLS configuration protocol interface installed in ChildHandle - // - Status = gBS->OpenProtocol ( - ChildHandle, - &gEfiTlsConfigurationProtocolGuid, - (VOID **) &TlsConfig, - TlsService->ImageHandle, - NULL, - EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL - ); - if (EFI_ERROR (Status)) { - return Status; - } - - TlsInstance = TLS_INSTANCE_FROM_PROTOCOL (Tls); - - if (TlsInstance->Service != TlsService) { - return EFI_INVALID_PARAMETER; - } - - if (TlsInstance->InDestroy) { - return EFI_SUCCESS; - } - - OldTpl = gBS->RaiseTPL (TPL_CALLBACK); - - TlsInstance->InDestroy = TRUE; - - // - // Uninstall the TLS protocol and TLS Configuration Protocol interface installed in ChildHandle. - // - Status = gBS->UninstallMultipleProtocolInterfaces ( - ChildHandle, - &gEfiTlsProtocolGuid, - Tls, - &gEfiTlsConfigurationProtocolGuid, - TlsConfig, - NULL - ); - if (EFI_ERROR (Status)) { - return Status; - } - - RemoveEntryList (&TlsInstance->Link); - TlsService->TlsChildrenNum--; - - gBS->RestoreTPL (OldTpl); - - TlsCleanInstance (TlsInstance); - - return EFI_SUCCESS; -} +/** @file
+ The Driver Binding and Service Binding Protocol for TlsDxe driver.
+
+ Copyright (c) 2016, 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 "TlsImpl.h"
+
+EFI_SERVICE_BINDING_PROTOCOL mTlsServiceBinding = {
+ TlsServiceBindingCreateChild,
+ TlsServiceBindingDestroyChild
+};
+
+/**
+ Release all the resources used by the TLS instance.
+
+ @param[in] Instance The TLS instance data.
+
+**/
+VOID
+TlsCleanInstance (
+ IN TLS_INSTANCE *Instance
+ )
+{
+ if (Instance != NULL) {
+ if (Instance->TlsConn != NULL) {
+ TlsFree (Instance->TlsConn);
+ }
+
+ FreePool (Instance);
+ }
+}
+
+/**
+ Create the TLS instance and initialize it.
+
+ @param[in] Service The pointer to the TLS service.
+ @param[out] Instance The pointer to the TLS instance.
+
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
+ @retval EFI_SUCCESS The TLS instance is created.
+
+**/
+EFI_STATUS
+TlsCreateInstance (
+ IN TLS_SERVICE *Service,
+ OUT TLS_INSTANCE **Instance
+ )
+{
+ TLS_INSTANCE *TlsInstance;
+
+ *Instance = NULL;
+
+ TlsInstance = AllocateZeroPool (sizeof (TLS_INSTANCE));
+ if (TlsInstance == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ TlsInstance->Signature = TLS_INSTANCE_SIGNATURE;
+ InitializeListHead (&TlsInstance->Link);
+ TlsInstance->InDestroy = FALSE;
+ TlsInstance->Service = Service;
+
+ CopyMem (&TlsInstance->Tls, &mTlsProtocol, sizeof (TlsInstance->Tls));
+ CopyMem (&TlsInstance->TlsConfig, &mTlsConfigurationProtocol, sizeof (TlsInstance->TlsConfig));
+
+ TlsInstance->TlsSessionState = EfiTlsSessionNotStarted;
+
+ *Instance = TlsInstance;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Release all the resources used by the TLS service binding instance.
+
+ @param[in] Service The TLS service data.
+
+**/
+VOID
+TlsCleanService (
+ IN TLS_SERVICE *Service
+ )
+{
+ if (Service != NULL) {
+ if (Service->TlsCtx != NULL) {
+ TlsCtxFree (Service->TlsCtx);
+ }
+
+ FreePool (Service);
+ }
+}
+
+/**
+ Create then initialize a TLS service.
+
+ @param[in] Image ImageHandle of the TLS driver
+ @param[out] Service The service for TLS driver
+
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate resource to create the service.
+ @retval EFI_SUCCESS The service is created for the driver.
+
+**/
+EFI_STATUS
+TlsCreateService (
+ IN EFI_HANDLE Image,
+ OUT TLS_SERVICE **Service
+ )
+{
+ TLS_SERVICE *TlsService;
+
+ ASSERT (Service != NULL);
+
+ *Service = NULL;
+
+ //
+ // Allocate a TLS Service Data
+ //
+ TlsService = AllocateZeroPool (sizeof (TLS_SERVICE));
+ if (TlsService == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ //
+ // Initialize TLS Service Data
+ //
+ TlsService->Signature = TLS_SERVICE_SIGNATURE;
+ CopyMem (&TlsService->ServiceBinding, &mTlsServiceBinding, sizeof (TlsService->ServiceBinding));
+ TlsService->TlsChildrenNum = 0;
+ InitializeListHead (&TlsService->TlsChildrenList);
+ TlsService->ImageHandle = Image;
+
+ *Service = TlsService;
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Unloads an image.
+
+ @param[in] ImageHandle Handle that identifies the image to be unloaded.
+
+ @retval EFI_SUCCESS The image has been unloaded.
+ @retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.
+
+**/
+EFI_STATUS
+EFIAPI
+TlsUnload (
+ IN EFI_HANDLE ImageHandle
+ )
+{
+ EFI_STATUS Status;
+ UINTN HandleNum;
+ EFI_HANDLE *HandleBuffer;
+ UINT32 Index;
+ EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
+ TLS_SERVICE *TlsService;
+
+ HandleBuffer = NULL;
+ ServiceBinding = NULL;
+ TlsService = NULL;
+
+ //
+ // Locate all the handles with Tls service binding protocol.
+ //
+ Status = gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiTlsServiceBindingProtocolGuid,
+ NULL,
+ &HandleNum,
+ &HandleBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ for (Index = 0; Index < HandleNum; Index++) {
+ //
+ // Firstly, find ServiceBinding interface
+ //
+ Status = gBS->OpenProtocol (
+ HandleBuffer[Index],
+ &gEfiTlsServiceBindingProtocolGuid,
+ (VOID **) &ServiceBinding,
+ ImageHandle,
+ NULL,
+ EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ TlsService = TLS_SERVICE_FROM_THIS (ServiceBinding);
+
+ //
+ // Then, uninstall ServiceBinding interface
+ //
+ Status = gBS->UninstallMultipleProtocolInterfaces (
+ HandleBuffer[Index],
+ &gEfiTlsServiceBindingProtocolGuid, ServiceBinding,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ TlsCleanService (TlsService);
+ }
+
+ if (HandleBuffer != NULL) {
+ FreePool (HandleBuffer);
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ This is the declaration of an EFI image entry point. This entry point is
+ the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including
+ both device drivers and bus drivers.
+
+ @param ImageHandle The firmware allocated handle for the UEFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The operation completed successfully.
+ @retval Others An unexpected error occurred.
+**/
+EFI_STATUS
+EFIAPI
+TlsDriverEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ TLS_SERVICE *TlsService;
+
+ //
+ // Create TLS Service
+ //
+ Status = TlsCreateService (ImageHandle, &TlsService);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ ASSERT (TlsService != NULL);
+
+ //
+ // Initializes the OpenSSL library.
+ //
+ TlsInitialize ();
+
+ //
+ // Create a new SSL_CTX object as framework to establish TLS/SSL enabled
+ // connections. TLS 1.0 is used as the default version.
+ //
+ TlsService->TlsCtx = TlsCtxNew (TLS10_PROTOCOL_VERSION_MAJOR, TLS10_PROTOCOL_VERSION_MINOR);
+ if (TlsService->TlsCtx == NULL) {
+ FreePool (TlsService);
+ return EFI_ABORTED;
+ }
+
+ //
+ // Install the TlsServiceBinding Protocol onto Handle
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &TlsService->Handle,
+ &gEfiTlsServiceBindingProtocolGuid,
+ &TlsService->ServiceBinding,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_CLEAN_SERVICE;
+ }
+
+ return Status;
+
+ON_CLEAN_SERVICE:
+ TlsCleanService (TlsService);
+
+ return Status;
+}
+
+/**
+ Creates a child handle and installs a protocol.
+
+ The CreateChild() function installs a protocol on ChildHandle.
+ If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
+ If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
+
+ @param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
+ @param[in] ChildHandle Pointer to the handle of the child to create. If it is NULL,
+ then a new handle is created. If it is a pointer to an existing UEFI handle,
+ then the protocol is added to the existing UEFI handle.
+
+ @retval EFI_SUCCES The protocol was added to ChildHandle.
+ @retval EFI_INVALID_PARAMETER ChildHandle is NULL.
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources available to create
+ the child.
+ @retval other The child handle was not created.
+
+**/
+EFI_STATUS
+EFIAPI
+TlsServiceBindingCreateChild (
+ IN EFI_SERVICE_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE *ChildHandle
+ )
+{
+ TLS_SERVICE *TlsService;
+ TLS_INSTANCE *TlsInstance;
+ EFI_STATUS Status;
+ EFI_TPL OldTpl;
+
+ if ((This == NULL) || (ChildHandle == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ TlsService = TLS_SERVICE_FROM_THIS (This);
+
+ Status = TlsCreateInstance (TlsService, &TlsInstance);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ ASSERT (TlsInstance != NULL);
+
+ //
+ // Create a new TLS connection object.
+ //
+ TlsInstance->TlsConn = TlsNew (TlsService->TlsCtx);
+ if (TlsInstance->TlsConn == NULL) {
+ Status = EFI_ABORTED;
+ goto ON_ERROR;
+ }
+
+ //
+ // Set default ConnectionEnd to EfiTlsClient
+ //
+ Status = TlsSetConnectionEnd (TlsInstance->TlsConn, EfiTlsClient);
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Install TLS protocol and configuration protocol onto ChildHandle
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ ChildHandle,
+ &gEfiTlsProtocolGuid,
+ &TlsInstance->Tls,
+ &gEfiTlsConfigurationProtocolGuid,
+ &TlsInstance->TlsConfig,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ TlsInstance->ChildHandle = *ChildHandle;
+
+ //
+ // Add it to the TLS service's child list.
+ //
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+
+ InsertTailList (&TlsService->TlsChildrenList, &TlsInstance->Link);
+ TlsService->TlsChildrenNum++;
+
+ gBS->RestoreTPL (OldTpl);
+
+ return EFI_SUCCESS;
+
+ON_ERROR:
+ TlsCleanInstance (TlsInstance);
+ return Status;
+}
+
+/**
+ Destroys a child handle with a protocol installed on it.
+
+ The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
+ that was installed by CreateChild() from ChildHandle. If the removed protocol is the
+ last protocol on ChildHandle, then ChildHandle is destroyed.
+
+ @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
+ @param ChildHandle Handle of the child to destroy.
+
+ @retval EFI_SUCCES The protocol was removed from ChildHandle.
+ @retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.
+ @retval EFI_INVALID_PARAMETER Child handle is NULL.
+ @retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle
+ because its services are being used.
+ @retval other The child handle was not destroyed.
+
+**/
+EFI_STATUS
+EFIAPI
+TlsServiceBindingDestroyChild (
+ IN EFI_SERVICE_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ChildHandle
+ )
+{
+ TLS_SERVICE *TlsService;
+ TLS_INSTANCE *TlsInstance;
+
+ EFI_TLS_PROTOCOL *Tls;
+ EFI_TLS_CONFIGURATION_PROTOCOL *TlsConfig;
+ EFI_STATUS Status;
+ EFI_TPL OldTpl;
+
+ if ((This == NULL) || (ChildHandle == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ TlsService = TLS_SERVICE_FROM_THIS (This);
+
+ //
+ // Find TLS protocol interface installed in ChildHandle
+ //
+ Status = gBS->OpenProtocol (
+ ChildHandle,
+ &gEfiTlsProtocolGuid,
+ (VOID **) &Tls,
+ TlsService->ImageHandle,
+ NULL,
+ EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Find TLS configuration protocol interface installed in ChildHandle
+ //
+ Status = gBS->OpenProtocol (
+ ChildHandle,
+ &gEfiTlsConfigurationProtocolGuid,
+ (VOID **) &TlsConfig,
+ TlsService->ImageHandle,
+ NULL,
+ EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ TlsInstance = TLS_INSTANCE_FROM_PROTOCOL (Tls);
+
+ if (TlsInstance->Service != TlsService) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (TlsInstance->InDestroy) {
+ return EFI_SUCCESS;
+ }
+
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+
+ TlsInstance->InDestroy = TRUE;
+
+ //
+ // Uninstall the TLS protocol and TLS Configuration Protocol interface installed in ChildHandle.
+ //
+ Status = gBS->UninstallMultipleProtocolInterfaces (
+ ChildHandle,
+ &gEfiTlsProtocolGuid,
+ Tls,
+ &gEfiTlsConfigurationProtocolGuid,
+ TlsConfig,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ RemoveEntryList (&TlsInstance->Link);
+ TlsService->TlsChildrenNum--;
+
+ gBS->RestoreTPL (OldTpl);
+
+ TlsCleanInstance (TlsInstance);
+
+ return EFI_SUCCESS;
+}
+
|