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MdeModulePkg/Variable/RuntimeDxe: Modify function return status 

Make VariableServiceSetVariable and VariableServiceQueryVariableInfo
functions return status following UEFI 2.7 spec.

Cc: Zhang Chao <chao.b.zhang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: chenc2 <chen.a.chen@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>
This commit is contained in:
chenc2 2017-12-07 13:38:03 +08:00 committed by Zhang, Chao B
parent 7d3a7c22a6
commit 67943427ad
1 changed files with 19 additions and 7 deletions
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26
MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
View File

@ -3146,7 +3146,11 @@ VariableServiceSetVariable (
// Make sure if runtime bit is set, boot service bit is set also.
//
if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == EFI_VARIABLE_RUNTIME_ACCESS) {
return EFI_INVALID_PARAMETER;
if ((Attributes & EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS) != 0) {
return EFI_UNSUPPORTED;
} else {
return EFI_INVALID_PARAMETER;
}
} else if ((Attributes & VARIABLE_ATTRIBUTE_AT_AW) != 0) {
if (!mVariableModuleGlobal->VariableGlobal.AuthSupport) {
//
@ -3169,15 +3173,16 @@ VariableServiceSetVariable (
//
if (((Attributes & EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS) == EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS)
&& ((Attributes & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) == EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS)) {
return EFI_INVALID_PARAMETER;
return EFI_UNSUPPORTED;
}
if ((Attributes & EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS) == EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS) {
if (DataSize < AUTHINFO_SIZE) {
//
// Try to write Authenticated Variable without AuthInfo.
//
return EFI_SECURITY_VIOLATION;
//
// If DataSize == AUTHINFO_SIZE and then PayloadSize is 0.
// Maybe it's the delete operation of common authenticated variable at user physical presence.
//
if (DataSize != AUTHINFO_SIZE) {
return EFI_UNSUPPORTED;
}
PayloadSize = DataSize - AUTHINFO_SIZE;
} else if ((Attributes & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) == EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) {
@ -3523,6 +3528,13 @@ VariableServiceQueryVariableInfo (
return EFI_INVALID_PARAMETER;
}
if ((Attributes & EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS) != 0) {
//
// Deprecated attribute, make this check as highest priority.
//
return EFI_UNSUPPORTED;
}
if ((Attributes & EFI_VARIABLE_ATTRIBUTES_MASK) == 0) {
//
// Make sure the Attributes combination is supported by the platform.