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

     1  package lints
     2  
     3  /*
     4   * ZLint Copyright 2018 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  /************************************************
    18  The CRL distribution points extension identifies how CRL information is obtained. The extension SHOULD be non-critical, but this profile RECOMMENDS support for this extension by CAs and applications.
    19  ************************************************/
    20  
    21  import (
    22  	"github.com/zmap/zcrypto/x509"
    23  	"github.com/zmap/zlint/util"
    24  )
    25  
    26  type ExtCrlDistributionMarkedCritical struct{}
    27  
    28  func (l *ExtCrlDistributionMarkedCritical) Initialize() error {
    29  	return nil
    30  }
    31  
    32  func (l *ExtCrlDistributionMarkedCritical) CheckApplies(cert *x509.Certificate) bool {
    33  	return util.IsExtInCert(cert, util.CrlDistOID)
    34  }
    35  
    36  func (l *ExtCrlDistributionMarkedCritical) Execute(cert *x509.Certificate) *LintResult {
    37  	if e := util.GetExtFromCert(cert, util.CrlDistOID); e != nil {
    38  		if e.Critical == false {
    39  			return &LintResult{Status: Pass}
    40  		} else {
    41  			return &LintResult{Status: Warn}
    42  		}
    43  	}
    44  	return &LintResult{Status: NA}
    45  }
    46  
    47  func init() {
    48  	RegisterLint(&Lint{
    49  		Name:          "w_ext_crl_distribution_marked_critical",
    50  		Description:   "If included, the CRL Distribution Points extension SHOULD NOT be marked critical",
    51  		Citation:      "RFC 5280: 4.2.1.13",
    52  		Source:        RFC5280,
    53  		EffectiveDate: util.RFC2459Date,
    54  		Lint:          &ExtCrlDistributionMarkedCritical{},
    55  	})
    56  }