return err
	}

	// We map keys that correspond to LDAP DNs and validate that they exist in
	// the LDAP server.
	var dnValidator func(*libldap.Conn, string) (string, bool, error) = sys.LDAPConfig.GetValidatedUserDN
	if isGroup {
		dnValidator = sys.LDAPConfig.GetValidatedGroupDN
	}

	// map of normalized DN keys to original keys.

			if buf.Len() > 0 {
				buf.WriteString("&")
			}
			buf.WriteString(t.String())
		}
		return buf.String()
	}
	return ""
}

// Validate - validates the rule element
func (r Rule) Validate() error {
	if err := r.validateID(); err != nil {
		return err
	}
	if err := r.validateStatus(); err != nil {
		return err
	}
	if err := r.validateExpiration(); err != nil {

	claims := xjwt.NewMapClaims()
	return claims.Map(), ErrNone
}

// Check request auth type verifies the incoming http request
//   - validates the request signature
//   - validates the policy action if anonymous tests bucket policies if any,
//     for authenticated requests validates IAM policies.
//
// returns APIErrorCode if any to be replied to the client.

			return fmt.Errorf("unknown storage class %s", dest.StorageClass)
		}
	}
	parsedDest.StorageClass = dest.StorageClass
	*d = parsedDest
	return nil
}

// Validate - validates Resource is for given bucket or not.
func (d Destination) Validate(bucketName string) error {
	if !d.IsValid() {
		return Errorf("invalid destination")
	}

	if !wildcard.Match(d.Bucket, bucketName) {

}

// TestHeadOnObjectLastModified - Asserts response for HEAD on an object.
// HEAD requests on an object validates the existence of the object.
// The responses for fetching the object when If-Modified-Since
// and If-Unmodified-Since headers set are validated.
// If-Modified-Since - Return the object only if it has been modified since the specified time, else return a 304 (not modified).

	if err != nil {
		return c, err
	}

	for _, cfgName := range openIDTargets {
		getCfgVal := func(cfgParam string) string {
			// As parameters are already validated, we skip checking
			// if the config param was found.
			val, _, _ := s.ResolveConfigParam(config.IdentityOpenIDSubSys, cfgName, cfgParam, false)
			return val
		}

	claims["exp"] = time.Now().UTC().Add(defaultExpiryDuration).Unix() // update with new expiry.
	return nil
}

const (
	audClaim = "aud"
	azpClaim = "azp"
)

// Validate - validates the id_token.
func (r *Config) Validate(ctx context.Context, arn arn.ARN, token, accessToken, dsecs string, claims jwtgo.MapClaims) error {
	jp := new(jwtgo.Parser)
	jp.ValidMethods = []string{
		"RS256", "RS384", "RS512",

```
λ make verify-healing
```

At this point in time the backport is ready to be submitted as a pull request to the relevant branch. A pull request is recommended to ensure [mint](http://github.com/minio/mint) tests are validated. Pull request also ensures code-reviews for the backports in case of any unforeseen regressions.

### Building a hotfix binary and container

	}

	// Validate that the client from sts creds can access the bucket.
	c.mustListObjects(ctx, minioClient, bucket)

	// Validate that a bucket can be created
	bucket2 := getRandomBucketName()
	err = minioClient.MakeBucket(ctx, bucket2, minio.MakeBucketOptions{})
	if err != nil {
		c.Fatalf("bucket creat error: %v", err)
	}

	n = copy(p, r.data)
	r.eof = true
	return n, nil
}

// Wrapper for calling testMakeBucket for both Erasure and FS.
func TestMakeBucket(t *testing.T) {
	ExecObjectLayerTest(t, testMakeBucket)
}

// Tests validate bucket creation.
func testMakeBucket(obj ObjectLayer, instanceType string, t TestErrHandler) {
	err := obj.MakeBucket(context.Background(), "bucket-unknown", MakeBucketOptions{})
	if err != nil {