/**
This function replaces the old identity policy with a new identity policy.
This function delete the user identity policy information.
If enroll new credential failed, recover the old identity policy.
@retval EFI_SUCCESS Modify user identity policy successfully.
@retval Others Fail to modify user identity policy.
**/
EFI_STATUS
UpdateCredentialProvider (
)
{
EFI_STATUS Status;
EFI_USER_INFO_IDENTITY_POLICY *Identity;
UINTN Offset;
//
// Delete the old identification policy.
//
DeleteCredentialFromProviders (mUserInfo.IdentityPolicy, mUserInfo.IdentityPolicyLen, mModifyUser);
//
// Add the new identification policy.
//
Offset = 0;
while (Offset < mUserInfo.NewIdentityPolicyLen) {
Identity = (EFI_USER_INFO_IDENTITY_POLICY *) (mUserInfo.NewIdentityPolicy + Offset);
if (Identity->Type == EFI_USER_INFO_IDENTITY_CREDENTIAL_PROVIDER) {
//
// Enroll the user on this provider
//
Status = EnrollUserOnProvider (Identity, mModifyUser);
if (EFI_ERROR (Status)) {
//
// Failed to enroll the user by new identification policy.
// So removed the credential provider from the identification policy
//
DeleteProviderFromPolicy (Identity, Offset);
continue;
}
}
Offset += Identity->Length;
}
return EFI_SUCCESS;
}
/**
Delete the user specified by UserIndex in user profile database.
@param[in] UserIndex The index of user in the user name list
to be deleted.
**/
VOID
DeleteUser (
IN UINT8 UserIndex
)
{
EFI_STATUS Status;
EFI_USER_PROFILE_HANDLE User;
EFI_INPUT_KEY Key;
EFI_USER_INFO_HANDLE UserInfo;
EFI_USER_INFO *Info;
UINTN InfoSize;
//
// Find specified user profile and delete it.
//
User = NULL;
Status = mUserManager->GetNext (mUserManager, &User);
if (EFI_ERROR (Status)) {
goto Done;
}
while (UserIndex > 1) {
Status = mUserManager->GetNext (mUserManager, &User);
if (EFI_ERROR (Status)) {
goto Done;
}
UserIndex--;
}
if (UserIndex == 1) {
//
// Get the identification policy.
//
Status = FindInfoByType (User, EFI_USER_INFO_IDENTITY_POLICY_RECORD, &UserInfo);
if (EFI_ERROR (Status)) {
goto Done;
}
InfoSize = 0;
Info = NULL;
Status = mUserManager->GetInfo (mUserManager, User, UserInfo, Info, &InfoSize);
if (Status == EFI_BUFFER_TOO_SMALL) {
Info = AllocateZeroPool (InfoSize);
if (Info == NULL) {
goto Done;
}
Status = mUserManager->GetInfo (mUserManager, User, UserInfo, Info, &InfoSize);
}
//
// Delete the user on the credential providers by its identification policy.
//
ASSERT (Info != NULL);
DeleteCredentialFromProviders ((UINT8 *)(Info + 1), Info->InfoSize - sizeof (EFI_USER_INFO), User);
FreePool (Info);
Status = mUserManager->Delete (mUserManager, User);
if (EFI_ERROR (Status)) {
goto Done;
}
CreatePopUp (
EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
&Key,
L"Delete User Succeed!",
L"",
L"Please Press Any Key to Continue ...",
NULL
);
return ;
}
Done:
CreatePopUp (
EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
&Key,
L"Delete User Failed!",
L"",
L"Please Press Any Key to Continue ...",
NULL
);
}
