github.com/zmap/zlint@v1.1.0/lints/lint_ext_policy_constraints_not_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  RFC 5280: 4.2.1.11
    19  Conforming CAs MUST mark this extension as critical.
    20  ************************************************/
    21  
    22  import (
    23  	"github.com/zmap/zcrypto/x509"
    24  	"github.com/zmap/zlint/util"
    25  )
    26  
    27  type policyConstraintsCritical struct{}
    28  
    29  func (l *policyConstraintsCritical) Initialize() error {
    30  	return nil
    31  }
    32  
    33  func (l *policyConstraintsCritical) CheckApplies(c *x509.Certificate) bool {
    34  	return util.IsExtInCert(c, util.PolicyConstOID)
    35  }
    36  
    37  func (l *policyConstraintsCritical) Execute(c *x509.Certificate) *LintResult {
    38  	pc := util.GetExtFromCert(c, util.PolicyConstOID)
    39  	if !pc.Critical {
    40  		return &LintResult{Status: Error}
    41  	} else {
    42  		return &LintResult{Status: Pass}
    43  	}
    44  }
    45  
    46  func init() {
    47  	RegisterLint(&Lint{
    48  		Name:          "e_ext_policy_constraints_not_critical",
    49  		Description:   "Conforming CAs MUST mark the policy constraints extension as critical",
    50  		Citation:      "RFC 5280: 4.2.1.11",
    51  		Source:        RFC5280,
    52  		EffectiveDate: util.RFC5280Date,
    53  		Lint:          &policyConstraintsCritical{},
    54  	})
    55  }