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-rw-r--r--RedfishPkg/Library/RedfishPlatformCredentialIpmiLib/RedfishPlatformCredentialIpmiLib.c458
-rw-r--r--RedfishPkg/Library/RedfishPlatformCredentialIpmiLib/RedfishPlatformCredentialIpmiLib.h89
-rw-r--r--RedfishPkg/Library/RedfishPlatformCredentialIpmiLib/RedfishPlatformCredentialIpmiLib.inf42
3 files changed, 589 insertions, 0 deletions
diff --git a/RedfishPkg/Library/RedfishPlatformCredentialIpmiLib/RedfishPlatformCredentialIpmiLib.c b/RedfishPkg/Library/RedfishPlatformCredentialIpmiLib/RedfishPlatformCredentialIpmiLib.c
new file mode 100644
index 0000000000..dacb09bb23
--- /dev/null
+++ b/RedfishPkg/Library/RedfishPlatformCredentialIpmiLib/RedfishPlatformCredentialIpmiLib.c
@@ -0,0 +1,458 @@
+/** @file
+ Implementation of getting bootstrap credential via IPMI.
+
+ Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Specification Reference:
+ - Redfish Host Interface Specification
+ (https://www.dmtf.org/sites/default/files/standards/documents/DSP0270_1.3.0.pdf)
+**/
+
+#include "RedfishPlatformCredentialIpmiLib.h"
+
+//
+// Global flag of controlling credential service
+//
+BOOLEAN mRedfishServiceStopped = FALSE;
+
+/**
+ Notify the Redfish service provide to stop provide configuration service to this platform.
+
+ This function should be called when the platform is about to leave the safe environment.
+ It will notify the Redfish service provider to abort all login session, and prohibit
+ further login with original auth info. GetAuthInfo() will return EFI_UNSUPPORTED once this
+ function is returned.
+
+ @param[in] This Pointer to EDKII_REDFISH_CREDENTIAL_PROTOCOL instance.
+ @param[in] ServiceStopType Reason of stopping Redfish service.
+
+ @retval EFI_SUCCESS Service has been stoped successfully.
+ @retval EFI_INVALID_PARAMETER This is NULL.
+ @retval Others Some error happened.
+
+**/
+EFI_STATUS
+EFIAPI
+LibStopRedfishService (
+ IN EDKII_REDFISH_CREDENTIAL_PROTOCOL *This,
+ IN EDKII_REDFISH_CREDENTIAL_STOP_SERVICE_TYPE ServiceStopType
+ )
+{
+ EFI_STATUS Status;
+
+ if ((ServiceStopType <= ServiceStopTypeNone) || (ServiceStopType >= ServiceStopTypeMax)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Only stop credential service after leaving BIOS
+ //
+ if (ServiceStopType != ServiceStopTypeExitBootService) {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Raise flag first
+ //
+ mRedfishServiceStopped = TRUE;
+
+ //
+ // Delete cached variable
+ //
+ Status = SetBootstrapAccountCredentialsToVariable (NULL, NULL, TRUE);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: fail to remove bootstrap credential: %r\n", __FUNCTION__, Status));
+ }
+
+ DEBUG ((DEBUG_INFO, "%a: bootstrap credential service stopped\n", __FUNCTION__));
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Notification of Exit Boot Service.
+
+ @param[in] This Pointer to EDKII_REDFISH_CREDENTIAL_PROTOCOL.
+**/
+VOID
+EFIAPI
+LibCredentialExitBootServicesNotify (
+ IN EDKII_REDFISH_CREDENTIAL_PROTOCOL *This
+ )
+{
+ //
+ // Stop the credential support when system is about to enter OS.
+ //
+ LibStopRedfishService (This, ServiceStopTypeExitBootService);
+}
+
+/**
+ Notification of End of DXe.
+
+ @param[in] This Pointer to EDKII_REDFISH_CREDENTIAL_PROTOCOL.
+**/
+VOID
+EFIAPI
+LibCredentialEndOfDxeNotify (
+ IN EDKII_REDFISH_CREDENTIAL_PROTOCOL *This
+ )
+{
+ //
+ // Do nothing now.
+ // We can stop credential support when system reach end-of-dxe for security reason.
+ //
+}
+
+/**
+ Function to retrieve temporary user credentials for the UEFI redfish client. This function can
+ also disable bootstrap credential service in BMC.
+
+ @param[in] DisableBootstrapControl TRUE - Tell the BMC to disable the bootstrap credential
+ service to ensure no one else gains credentials
+ FALSE Allow the bootstrap credential service to continue
+ @param[in,out] BootstrapUsername A pointer to a Ascii encoded string for the credential username
+ When DisableBootstrapControl is TRUE, this pointer can be NULL
+ @param[in] BootstrapUsernameSize The size of BootstrapUsername including NULL terminator in bytes.
+ Per specification, the size is USERNAME_MAX_SIZE.
+ @param[in,out] BootstrapPassword A pointer to a Ascii encoded string for the credential password
+ When DisableBootstrapControl is TRUE, this pointer can be NULL
+ @param[in] BootstrapPasswordSize The size of BootstrapPassword including NULL terminator in bytes.
+ Per specification, the size is PASSWORD_MAX_SIZE.
+
+ @retval EFI_SUCCESS Credentials were successfully fetched and returned. When DisableBootstrapControl
+ is set to TRUE, the bootstrap credential service is disabled successfully.
+ @retval EFI_INVALID_PARAMETER BootstrapUsername or BootstrapPassword is NULL when DisableBootstrapControl
+ is set to FALSE. BootstrapUsernameSize or BootstrapPasswordSize is incorrect when
+ DisableBootstrapControl is set to FALSE.
+ @retval EFI_DEVICE_ERROR An IPMI failure occurred
+**/
+EFI_STATUS
+GetBootstrapAccountCredentials (
+ IN BOOLEAN DisableBootstrapControl,
+ IN OUT CHAR8 *BootstrapUsername, OPTIONAL
+ IN UINTN BootstrapUsernameSize,
+ IN OUT CHAR8 *BootstrapPassword, OPTIONAL
+ IN UINTN BootstrapPasswordSize
+ )
+{
+ EFI_STATUS Status;
+ IPMI_BOOTSTRAP_CREDENTIALS_COMMAND_DATA CommandData;
+ IPMI_BOOTSTRAP_CREDENTIALS_RESULT_RESPONSE ResponseData;
+ UINT32 ResponseSize;
+
+ //
+ // NULL buffer check
+ //
+ if (!DisableBootstrapControl && ((BootstrapUsername == NULL) || (BootstrapPassword == NULL))) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((BootstrapUsernameSize != USERNAME_MAX_SIZE) || (BootstrapPasswordSize != PASSWORD_MAX_SIZE)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ DEBUG ((DEBUG_VERBOSE, "%a: Disable bootstrap control: 0x%x\n", __FUNCTION__, DisableBootstrapControl));
+
+ //
+ // IPMI callout to NetFn 2C, command 02
+ // Request data:
+ // Byte 1: REDFISH_IPMI_GROUP_EXTENSION
+ // Byte 2: DisableBootstrapControl
+ //
+ CommandData.GroupExtensionId = REDFISH_IPMI_GROUP_EXTENSION;
+ CommandData.DisableBootstrapControl = (DisableBootstrapControl ? REDFISH_IPMI_BOOTSTRAP_CREDENTIAL_DISABLE : REDFISH_IPMI_BOOTSTRAP_CREDENTIAL_ENABLE);
+
+ ResponseSize = sizeof (ResponseData);
+
+ //
+ // Response data:
+ // Byte 1 : Completion code
+ // Byte 2 : REDFISH_IPMI_GROUP_EXTENSION
+ // Byte 3-18 : Username
+ // Byte 19-34: Password
+ //
+ Status = IpmiSubmitCommand (
+ IPMI_NETFN_GROUP_EXT,
+ REDFISH_IPMI_GET_BOOTSTRAP_CREDENTIALS_CMD,
+ (UINT8 *)&CommandData,
+ sizeof (CommandData),
+ (UINT8 *)&ResponseData,
+ &ResponseSize
+ );
+
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: IPMI transaction failure. Returning\n", __FUNCTION__));
+ return Status;
+ } else {
+ if (ResponseData.CompletionCode != IPMI_COMP_CODE_NORMAL) {
+ if (ResponseData.CompletionCode == REDFISH_IPMI_COMP_CODE_BOOTSTRAP_CREDENTIAL_DISABLED) {
+ DEBUG ((DEBUG_ERROR, "%a: bootstrap credential support was disabled\n", __FUNCTION__));
+ return EFI_ACCESS_DENIED;
+ }
+
+ DEBUG ((DEBUG_ERROR, "%a: Completion code = 0x%x. Returning\n", __FUNCTION__, ResponseData.CompletionCode));
+ return EFI_PROTOCOL_ERROR;
+ } else if (ResponseData.GroupExtensionId != REDFISH_IPMI_GROUP_EXTENSION) {
+ DEBUG ((DEBUG_ERROR, "%a: Group Extension Response = 0x%x. Returning\n", __FUNCTION__, ResponseData.GroupExtensionId));
+ return EFI_DEVICE_ERROR;
+ } else {
+ if (BootstrapUsername != NULL) {
+ CopyMem (BootstrapUsername, ResponseData.Username, USERNAME_MAX_LENGTH);
+ //
+ // Manually append null-terminator in case 16 characters username returned.
+ //
+ BootstrapUsername[USERNAME_MAX_LENGTH] = '\0';
+ }
+
+ if (BootstrapPassword != NULL) {
+ CopyMem (BootstrapPassword, ResponseData.Password, PASSWORD_MAX_LENGTH);
+ //
+ // Manually append null-terminator in case 16 characters password returned.
+ //
+ BootstrapPassword[PASSWORD_MAX_LENGTH] = '\0';
+ }
+ }
+ }
+
+ DEBUG ((DEBUG_INFO, "%a: get bootstrap credential via IPMI: %r\n", __FUNCTION__, Status));
+
+ return Status;
+}
+
+/**
+ Function to retrieve temporary user credentials from cached boot time variable.
+
+ @param[in,out] BootstrapUsername A pointer to a Ascii encoded string for the credential username.
+ @param[in] BootstrapUsernameSize The size of BootstrapUsername including NULL terminator in bytes.
+ Per specification, the size is USERNAME_MAX_SIZE.
+ @param[in,out] BootstrapPassword A pointer to a Ascii encoded string for the credential password.
+ @param[in] BootstrapPasswordSize The size of BootstrapPassword including NULL terminator in bytes.
+ Per specification, the size is PASSWORD_MAX_SIZE.
+
+ @retval EFI_SUCCESS Credentials were successfully fetched and returned.
+ @retval EFI_INVALID_PARAMETER BootstrapUsername or BootstrapPassword is NULL.
+ BootstrapUsernameSize or BootstrapPasswordSize is incorrect.
+ @retval EFI_NOT_FOUND No variable found for account and credentials.
+**/
+EFI_STATUS
+GetBootstrapAccountCredentialsFromVariable (
+ IN OUT CHAR8 *BootstrapUsername,
+ IN UINTN BootstrapUsernameSize,
+ IN OUT CHAR8 *BootstrapPassword,
+ IN UINTN BootstrapPasswordSize
+ )
+{
+ EFI_STATUS Status;
+ BOOTSTRAP_CREDENTIALS_VARIABLE *CredentialVariable;
+ VOID *Data;
+ UINTN DataSize;
+
+ if ((BootstrapUsername == NULL) || (BootstrapPassword == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((BootstrapUsernameSize != USERNAME_MAX_SIZE) || (BootstrapPasswordSize != PASSWORD_MAX_SIZE)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ DataSize = 0;
+ Status = GetVariable2 (
+ CREDENTIAL_VARIABLE_NAME,
+ &gEfiRedfishVariableGuid,
+ (VOID *)&Data,
+ &DataSize
+ );
+ if (EFI_ERROR (Status)) {
+ return EFI_NOT_FOUND;
+ }
+
+ if (DataSize != sizeof (BOOTSTRAP_CREDENTIALS_VARIABLE)) {
+ DEBUG ((DEBUG_ERROR, "%a: data corruption. returned size: %d != structure size: %d\n", __FUNCTION__, DataSize, sizeof (BOOTSTRAP_CREDENTIALS_VARIABLE)));
+ FreePool (Data);
+ return EFI_NOT_FOUND;
+ }
+
+ CredentialVariable = (BOOTSTRAP_CREDENTIALS_VARIABLE *)Data;
+
+ AsciiStrCpyS (BootstrapUsername, USERNAME_MAX_SIZE, CredentialVariable->Username);
+ AsciiStrCpyS (BootstrapPassword, PASSWORD_MAX_SIZE, CredentialVariable->Password);
+
+ ZeroMem (CredentialVariable->Username, USERNAME_MAX_SIZE);
+ ZeroMem (CredentialVariable->Password, PASSWORD_MAX_SIZE);
+
+ FreePool (Data);
+
+ DEBUG ((DEBUG_INFO, "%a: get bootstrap credential from variable\n", __FUNCTION__));
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Function to save temporary user credentials into boot time variable. When DeleteVariable is True,
+ this function delete boot time variable.
+
+ @param[in] BootstrapUsername A pointer to a Ascii encoded string for the credential username.
+ @param[in] BootstrapPassword A pointer to a Ascii encoded string for the credential password.
+ @param[in] DeleteVariable True to remove boot time variable. False otherwise.
+
+ @retval EFI_SUCCESS Credentials were successfully saved.
+ @retval EFI_INVALID_PARAMETER BootstrapUsername or BootstrapPassword is NULL
+ @retval Others Error occurs
+**/
+EFI_STATUS
+SetBootstrapAccountCredentialsToVariable (
+ IN CHAR8 *BootstrapUsername, OPTIONAL
+ IN CHAR8 *BootstrapPassword, OPTIONAL
+ IN BOOLEAN DeleteVariable
+ )
+{
+ EFI_STATUS Status;
+ BOOTSTRAP_CREDENTIALS_VARIABLE CredentialVariable;
+ VOID *Data;
+
+ if (!DeleteVariable && ((BootstrapUsername == NULL) || (BootstrapUsername[0] == '\0'))) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (!DeleteVariable && ((BootstrapPassword == NULL) || (BootstrapPassword[0] == '\0'))) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Delete variable
+ //
+ Status = GetVariable2 (
+ CREDENTIAL_VARIABLE_NAME,
+ &gEfiRedfishVariableGuid,
+ (VOID *)&Data,
+ NULL
+ );
+ if (!EFI_ERROR (Status)) {
+ FreePool (Data);
+ gRT->SetVariable (
+ CREDENTIAL_VARIABLE_NAME,
+ &gEfiRedfishVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS,
+ 0,
+ NULL
+ );
+ }
+
+ //
+ // This is request to delete credentials. We are done.
+ //
+ if (DeleteVariable) {
+ return EFI_SUCCESS;
+ }
+
+ ZeroMem (CredentialVariable.Username, USERNAME_MAX_SIZE);
+ ZeroMem (CredentialVariable.Password, PASSWORD_MAX_SIZE);
+
+ AsciiStrCpyS (CredentialVariable.Username, USERNAME_MAX_SIZE, BootstrapUsername);
+ AsciiStrCpyS (CredentialVariable.Password, PASSWORD_MAX_SIZE, BootstrapPassword);
+
+ Status = gRT->SetVariable (
+ CREDENTIAL_VARIABLE_NAME,
+ &gEfiRedfishVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS,
+ sizeof (BOOTSTRAP_CREDENTIALS_VARIABLE),
+ (VOID *)&CredentialVariable
+ );
+
+ ZeroMem (CredentialVariable.Username, USERNAME_MAX_SIZE);
+ ZeroMem (CredentialVariable.Password, PASSWORD_MAX_SIZE);
+
+ return Status;
+}
+
+/**
+ Retrieve platform's Redfish authentication information.
+
+ This functions returns the Redfish authentication method together with the user Id and
+ password.
+ - For AuthMethodNone, the UserId and Password could be used for HTTP header authentication
+ as defined by RFC7235.
+ - For AuthMethodRedfishSession, the UserId and Password could be used for Redfish
+ session login as defined by Redfish API specification (DSP0266).
+
+ Callers are responsible for and freeing the returned string storage.
+
+ @param[in] This Pointer to EDKII_REDFISH_CREDENTIAL_PROTOCOL instance.
+ @param[out] AuthMethod Type of Redfish authentication method.
+ @param[out] UserId The pointer to store the returned UserId string.
+ @param[out] Password The pointer to store the returned Password string.
+
+ @retval EFI_SUCCESS Get the authentication information successfully.
+ @retval EFI_ACCESS_DENIED SecureBoot is disabled after EndOfDxe.
+ @retval EFI_INVALID_PARAMETER This or AuthMethod or UserId or Password is NULL.
+ @retval EFI_OUT_OF_RESOURCES There are not enough memory resources.
+ @retval EFI_UNSUPPORTED Unsupported authentication method is found.
+
+**/
+EFI_STATUS
+EFIAPI
+LibCredentialGetAuthInfo (
+ IN EDKII_REDFISH_CREDENTIAL_PROTOCOL *This,
+ OUT EDKII_REDFISH_AUTH_METHOD *AuthMethod,
+ OUT CHAR8 **UserId,
+ OUT CHAR8 **Password
+ )
+{
+ EFI_STATUS Status;
+ BOOLEAN DisableCredentialService;
+
+ if ((AuthMethod == NULL) || (UserId == NULL) || (Password == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *UserId = NULL;
+ *Password = NULL;
+ DisableCredentialService = PcdGetBool (PcdRedfishDisableBootstrapCredentialService);
+
+ if (mRedfishServiceStopped) {
+ DEBUG ((DEBUG_ERROR, "%a: credential service is stopped due to security reason\n", __FUNCTION__));
+ return EFI_ACCESS_DENIED;
+ }
+
+ *AuthMethod = AuthMethodHttpBasic;
+
+ *UserId = AllocateZeroPool (sizeof (CHAR8) * USERNAME_MAX_SIZE);
+ if (*UserId == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ *Password = AllocateZeroPool (sizeof (CHAR8) * PASSWORD_MAX_SIZE);
+ if (*Password == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ //
+ // Get bootstrap credential from variable first
+ //
+ Status = GetBootstrapAccountCredentialsFromVariable (*UserId, USERNAME_MAX_SIZE, *Password, PASSWORD_MAX_SIZE);
+ if (!EFI_ERROR (Status)) {
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Make a IPMI query
+ //
+ Status = GetBootstrapAccountCredentials (DisableCredentialService, *UserId, USERNAME_MAX_SIZE, *Password, PASSWORD_MAX_SIZE);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: fail to get bootstrap credential: %r\n", __FUNCTION__, Status));
+ return Status;
+ }
+
+ if (DisableCredentialService) {
+ DEBUG ((DEBUG_INFO, "%a: credential bootstrapping control disabled\n", __FUNCTION__));
+ }
+
+ Status = SetBootstrapAccountCredentialsToVariable (*UserId, *Password, FALSE);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a: fail to cache bootstrap credential: %r\n", __FUNCTION__, Status));
+ }
+
+ return EFI_SUCCESS;
+}
diff --git a/RedfishPkg/Library/RedfishPlatformCredentialIpmiLib/RedfishPlatformCredentialIpmiLib.h b/RedfishPkg/Library/RedfishPlatformCredentialIpmiLib/RedfishPlatformCredentialIpmiLib.h
new file mode 100644
index 0000000000..898ee88844
--- /dev/null
+++ b/RedfishPkg/Library/RedfishPlatformCredentialIpmiLib/RedfishPlatformCredentialIpmiLib.h
@@ -0,0 +1,89 @@
+/** @file
+ Header file for RedfishPlatformCredentialIpmiLib.
+
+ Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef REDFISH_PLATFORM_CREDENTIAL_IPMI_LIB_H_
+#define REDFISH_PLATFORM_CREDENTIAL_IPMI_LIB_H_
+
+#include <Uefi.h>
+#include <IndustryStandard/Ipmi.h>
+#include <IndustryStandard/RedfishHostInterfaceIpmi.h>
+
+#include <Protocol/EdkIIRedfishCredential.h>
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IpmiLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/RedfishCredentialLib.h>
+#include <Library/UefiLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+
+#define CREDENTIAL_VARIABLE_NAME L"Partstooblaitnederc"
+
+///
+/// The bootstrap credential keeping in UEFI variable
+///
+typedef struct {
+ CHAR8 Username[USERNAME_MAX_SIZE];
+ CHAR8 Password[PASSWORD_MAX_SIZE];
+} BOOTSTRAP_CREDENTIALS_VARIABLE;
+
+/**
+ Function to retrieve temporary user credentials for the UEFI redfish client. This function can
+ also disable bootstrap credential service in BMC.
+
+ @param[in] DisableBootstrapControl TRUE - Tell the BMC to disable the bootstrap credential
+ service to ensure no one else gains credentials
+ FALSE Allow the bootstrap credential service to continue
+ @param[in,out] BootstrapUsername A pointer to a Ascii encoded string for the credential username
+ When DisableBootstrapControl is TRUE, this pointer can be NULL
+ @param[in] BootstrapUsernameSize The size of BootstrapUsername including NULL terminator in bytes.
+ Per specification, the size is USERNAME_MAX_SIZE.
+ @param[in,out] BootstrapPassword A pointer to a Ascii encoded string for the credential password
+ When DisableBootstrapControl is TRUE, this pointer can be NULL
+ @param[in] BootstrapPasswordSize The size of BootstrapPassword including NULL terminator in bytes.
+ Per specification, the size is PASSWORD_MAX_SIZE.
+
+ @retval EFI_SUCCESS Credentials were successfully fetched and returned. When DisableBootstrapControl
+ is set to TRUE, the bootstrap credential service is disabled successfully.
+ @retval EFI_INVALID_PARAMETER BootstrapUsername or BootstrapPassword is NULL when DisableBootstrapControl
+ is set to FALSE. BootstrapUsernameSize or BootstrapPasswordSize is incorrect when
+ DisableBootstrapControl is set to FALSE.
+ @retval EFI_DEVICE_ERROR An IPMI failure occurred
+**/
+EFI_STATUS
+GetBootstrapAccountCredentials (
+ IN BOOLEAN DisableBootstrapControl,
+ IN OUT CHAR8 *BootstrapUsername, OPTIONAL
+ IN UINTN BootstrapUsernameSize,
+ IN OUT CHAR8 *BootstrapPassword, OPTIONAL
+ IN UINTN BootstrapPasswordSize
+ );
+
+/**
+ Function to save temporary user credentials into boot time variable. When DeleteVariable is True,
+ this function delete boot time variable.
+
+ @param[in] BootstrapUsername A pointer to a Ascii encoded string for the credential username.
+ @param[in] BootstrapPassword A pointer to a Ascii encoded string for the credential password.
+ @param[in] DeleteVariable True to remove boot time variable. False otherwise.
+
+ @retval EFI_SUCCESS Credentials were successfully saved.
+ @retval EFI_INVALID_PARAMETER BootstrapUsername or BootstrapPassword is NULL
+ @retval Others Error occurs
+**/
+EFI_STATUS
+SetBootstrapAccountCredentialsToVariable (
+ IN CHAR8 *BootstrapUsername, OPTIONAL
+ IN CHAR8 *BootstrapPassword, OPTIONAL
+ IN BOOLEAN DeleteVariable
+ );
+
+#endif
diff --git a/RedfishPkg/Library/RedfishPlatformCredentialIpmiLib/RedfishPlatformCredentialIpmiLib.inf b/RedfishPkg/Library/RedfishPlatformCredentialIpmiLib/RedfishPlatformCredentialIpmiLib.inf
new file mode 100644
index 0000000000..5c20ea22f8
--- /dev/null
+++ b/RedfishPkg/Library/RedfishPlatformCredentialIpmiLib/RedfishPlatformCredentialIpmiLib.inf
@@ -0,0 +1,42 @@
+## @file
+# INF file for RedfishPlatformCredentialIpmiLib.
+#
+# Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x0001000b
+ BASE_NAME = RedfishPlatformCredentialIpmiLib
+ FILE_GUID = 9C45D622-4C66-417F-814C-F76246D97233
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = RedfishPlatformCredentialIpmiLib
+
+[Sources]
+ RedfishPlatformCredentialIpmiLib.c
+ RedfishPlatformCredentialIpmiLib.h
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ RedfishPkg/RedfishPkg.dec
+
+[LibraryClasses]
+ UefiLib
+ DebugLib
+ IpmiLib
+ MemoryAllocationLib
+ BaseMemoryLib
+ UefiRuntimeServicesTableLib
+
+[Pcd]
+ gEfiRedfishPkgTokenSpaceGuid.PcdRedfishDisableBootstrapCredentialService
+
+[Guids]
+ gEfiRedfishVariableGuid
+
+[Depex]
+ TRUE