*/
    @Override
    public boolean renewCredentials ( String locationHint, Throwable error ) {
        Credentials cred = getCredentials();
        if ( cred instanceof SmbRenewableCredentials ) {
            SmbRenewableCredentials renewable = (SmbRenewableCredentials) cred;
            CredentialsInternal renewed = renewable.renew();
            if ( renewed != null ) {
                this.creds = renewed;

	ctx := r.Context()

	objectAPI, cred := validateAdminReq(ctx, w, r, policy.ConfigUpdateAdminAction)
	if objectAPI == nil {
		return
	}

	if r.ContentLength > maxEConfigJSONSize || r.ContentLength == -1 {
		// More than maxConfigSize bytes were available
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigTooLarge), r.URL)
		return
	}

	password := cred.SecretKey

		if err1 != 0 {
			goto childerror
		}
	}

	// User and groups
	if cred = sys.Credential; cred != nil {
		ngroups = uintptr(len(cred.Groups))
		groups = uintptr(0)
		if ngroups > 0 {
			groups = uintptr(unsafe.Pointer(&cred.Groups[0]))
		}
		if !cred.NoSetGroups {
			_, _, err1 = RawSyscall(SYS_SETGROUPS, ngroups, groups, 0)
			if err1 != 0 {
				goto childerror
			}

		}
	}

	// User and groups
	if cred = sys.Credential; cred != nil {
		ngroups = uintptr(len(cred.Groups))
		groups = uintptr(0)
		if ngroups > 0 {
			groups = uintptr(unsafe.Pointer(&cred.Groups[0]))
		}
		if !cred.NoSetGroups {
			err1 = setgroups1(ngroups, groups)
			if err1 != 0 {
				goto childerror
			}
		}
		err1 = setgid(uintptr(cred.Gid))
		if err1 != 0 {
			goto childerror
		}

			return auth.Credentials{}, time.Time{}, err
		}
	}
	cred, err := auth.CreateNewCredentialsWithMetadata(accessKey, secretKey, m, secretKey)
	if err != nil {
		return auth.Credentials{}, time.Time{}, err
	}
	cred.ParentUser = parentUser
	cred.Groups = groups
	cred.Status = string(auth.AccountOn)
	cred.Name = opts.name
	cred.Description = opts.description

	if opts.expiration != nil {

	}
	// Save access key id.
	cred := credentialHeader{
		accessKey: accessKey,
	}
	credElements = credElements[len(credElements)-4:]
	var e error
	cred.scope.date, e = time.Parse(yyyymmdd, credElements[0])
	if e != nil {
		return ch, ErrMalformedCredentialDate
	}

	cred.scope.region = credElements[1]
	// Verify if region is valid.
	sRegion := cred.scope.region

		StatusCode: http.StatusBadRequest,
	}
)

func (api adminAPIHandlers) AddTierHandler(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

	objAPI, cred := validateAdminReq(ctx, w, r, policy.SetTierAction)
	if objAPI == nil {
		return
	}

	password := cred.SecretKey
	reqBytes, err := madmin.DecryptData(password, io.LimitReader(r.Body, r.ContentLength))
	if err != nil {

	return nil
}

// Returns access credentials in the request Authorization header.
func getReqAccessCred(r *http.Request, region string) (cred auth.Credentials) {
	cred, _, _ = getReqAccessKeyV4(r, region, serviceS3)
	if cred.AccessKey == "" {
		cred, _, _ = getReqAccessKeyV2(r)
	}
	return cred
}

// Extract request params to be sent with event notification.
func extractReqParams(r *http.Request) map[string]string {

	echotest.New(ctx, A).
		SetupForDestination(func(ctx framework.TestContext, to echo.Target) error {
			for i := 1; i < 6; i++ {
				cred := fmt.Sprintf("runtestmultimtlsgateways-%d", i)
				tests = append(tests, TestConfig{
					Mode:           "MUTUAL",
					CredentialName: cred,
					Host:           fmt.Sprintf("runtestmultimtlsgateways%d.example.com", i),
					ServiceName:    to.Config().Service,

		if !globalIAMSys.IsAllowed(policy.Args{
			AccountName:     cred.AccessKey,
			Groups:          cred.Groups,
			Action:          policy.PutObjectFanOutAction,
			ConditionValues: getConditionValues(r, "", cred),
			BucketName:      bucket,
			ObjectName:      object,
			IsOwner:         globalActiveCred.AccessKey == cred.AccessKey,
			Claims:          cred.Claims,
		}) {