github.com/zmap/zlint@v1.1.0/lints/lint_dnsname_contains_bare_iana_suffix.go (about)

     1  package lints
     2  
     3  /*
     4   * ZLint Copyright 2017 Regents of the University of Michigan
     5   *
     6   * Licensed under the Apache License, Version 2.0 (the "License"); you may not
     7   * use this file except in compliance with the License. You may obtain a copy
     8   * of the License at http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
    13   * implied. See the License for the specific language governing
    14   * permissions and limitations under the License.
    15   */
    16  
    17  import (
    18  	"github.com/zmap/zcrypto/x509"
    19  	"github.com/zmap/zlint/util"
    20  )
    21  
    22  type dnsNameContainsBareIANASuffix struct{}
    23  
    24  func (l *dnsNameContainsBareIANASuffix) Initialize() error {
    25  	return nil
    26  }
    27  
    28  func (l *dnsNameContainsBareIANASuffix) CheckApplies(c *x509.Certificate) bool {
    29  	return util.IsSubscriberCert(c) && util.DNSNamesExist(c)
    30  }
    31  
    32  func (l *dnsNameContainsBareIANASuffix) Execute(c *x509.Certificate) *LintResult {
    33  	if c.Subject.CommonName != "" && !util.CommonNameIsIP(c) {
    34  		if util.IsInTLDMap(c.Subject.CommonName) {
    35  			return &LintResult{Status: Error}
    36  		}
    37  	}
    38  	for _, dns := range c.DNSNames {
    39  		if util.IsInTLDMap(dns) {
    40  			return &LintResult{Status: Error}
    41  		}
    42  	}
    43  	return &LintResult{Status: Pass}
    44  }
    45  
    46  func init() {
    47  	RegisterLint(&Lint{
    48  		Name:          "e_dnsname_contains_bare_iana_suffix",
    49  		Description:   "DNSNames should not contain a bare IANA suffix.",
    50  		Citation:      "BRs: 7.1.4.2",
    51  		Source:        CABFBaselineRequirements,
    52  		EffectiveDate: util.CABEffectiveDate,
    53  		Lint:          &dnsNameContainsBareIANASuffix{},
    54  	})
    55  }