1436aea4d5
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdeModulePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
97 lines
3.7 KiB
C
97 lines
3.7 KiB
C
/** @file
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Temporary location of the RequestToLock shim code while projects
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are moved to VariablePolicy. Should be removed when deprecated.
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Copyright (c) Microsoft Corporation.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Uefi.h>
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#include <Library/DebugLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/VariablePolicyLib.h>
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#include <Library/VariablePolicyHelperLib.h>
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#include <Protocol/VariableLock.h>
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/**
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DEPRECATED. THIS IS ONLY HERE AS A CONVENIENCE WHILE PORTING.
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Mark a variable that will become read-only after leaving the DXE phase of
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execution. Write request coming from SMM environment through
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EFI_SMM_VARIABLE_PROTOCOL is allowed.
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@param[in] This The VARIABLE_LOCK_PROTOCOL instance.
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@param[in] VariableName A pointer to the variable name that will be made
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read-only subsequently.
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@param[in] VendorGuid A pointer to the vendor GUID that will be made
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read-only subsequently.
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@retval EFI_SUCCESS The variable specified by the VariableName and
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the VendorGuid was marked as pending to be
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read-only.
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@retval EFI_INVALID_PARAMETER VariableName or VendorGuid is NULL.
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Or VariableName is an empty string.
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@retval EFI_ACCESS_DENIED EFI_END_OF_DXE_EVENT_GROUP_GUID or
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EFI_EVENT_GROUP_READY_TO_BOOT has already been
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signaled.
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@retval EFI_OUT_OF_RESOURCES There is not enough resource to hold the lock
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request.
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**/
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EFI_STATUS
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EFIAPI
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VariableLockRequestToLock (
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IN CONST EDKII_VARIABLE_LOCK_PROTOCOL *This,
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IN CHAR16 *VariableName,
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IN EFI_GUID *VendorGuid
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)
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{
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EFI_STATUS Status;
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VARIABLE_POLICY_ENTRY *NewPolicy;
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DEBUG ((DEBUG_WARN, "!!! DEPRECATED INTERFACE !!! %a() will go away soon!\n", __FUNCTION__));
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DEBUG ((DEBUG_WARN, "!!! DEPRECATED INTERFACE !!! Please move to use Variable Policy!\n"));
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DEBUG ((DEBUG_WARN, "!!! DEPRECATED INTERFACE !!! Variable: %g %s\n", VendorGuid, VariableName));
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NewPolicy = NULL;
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Status = CreateBasicVariablePolicy (
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VendorGuid,
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VariableName,
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VARIABLE_POLICY_NO_MIN_SIZE,
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VARIABLE_POLICY_NO_MAX_SIZE,
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VARIABLE_POLICY_NO_MUST_ATTR,
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VARIABLE_POLICY_NO_CANT_ATTR,
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VARIABLE_POLICY_TYPE_LOCK_NOW,
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&NewPolicy
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);
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if (!EFI_ERROR (Status)) {
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Status = RegisterVariablePolicy (NewPolicy);
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//
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// If the error returned is EFI_ALREADY_STARTED, we need to check the
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// current database for the variable and see whether it's locked. If it's
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// locked, we're still fine, but also generate a DEBUG_WARN message so the
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// duplicate lock can be removed.
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//
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if (Status == EFI_ALREADY_STARTED) {
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Status = ValidateSetVariable (VariableName, VendorGuid, 0, 0, NULL);
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if (Status == EFI_WRITE_PROTECTED) {
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DEBUG ((DEBUG_WARN, " Variable: %g %s is already locked!\n", VendorGuid, VariableName));
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Status = EFI_SUCCESS;
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} else {
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DEBUG ((DEBUG_ERROR, " Variable: %g %s can not be locked!\n", VendorGuid, VariableName));
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Status = EFI_ACCESS_DENIED;
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}
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}
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}
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_ERROR, "%a - Failed to lock variable %s! %r\n", __FUNCTION__, VariableName, Status));
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}
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if (NewPolicy != NULL) {
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FreePool (NewPolicy);
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}
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return Status;
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}
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