github.com/zmap/zlint@v1.1.0/lints/lint_subject_contains_reserved_ip.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  BRs: 7.1.4.2.1
    19  Also as of the Effective Date, the CA SHALL NOT
    20  issue a certificate with an Expiry Date later than
    21  1 November 2015 with a subjectAlternativeName extension
    22  or Subject commonName field containing a Reserved IP
    23  Address or Internal Name.
    24  ************************************************/
    25  
    26  import (
    27  	"net"
    28  
    29  	"github.com/zmap/zcrypto/x509"
    30  	"github.com/zmap/zlint/util"
    31  )
    32  
    33  type subjectReservedIP struct{}
    34  
    35  func (l *subjectReservedIP) Initialize() error {
    36  	return nil
    37  }
    38  
    39  func (l *subjectReservedIP) CheckApplies(c *x509.Certificate) bool {
    40  	return c.NotAfter.After(util.NoReservedIP)
    41  }
    42  
    43  func (l *subjectReservedIP) Execute(c *x509.Certificate) *LintResult {
    44  	if ip := net.ParseIP(c.Subject.CommonName); ip != nil && util.IsIANAReserved(ip) {
    45  		return &LintResult{Status: Error}
    46  	}
    47  	return &LintResult{Status: Pass}
    48  }
    49  
    50  func init() {
    51  	RegisterLint(&Lint{
    52  		Name:          "e_subject_contains_reserved_ip",
    53  		Description:   "Certificates expiring later than 11 Jan 2015 MUST NOT contain a reserved IP address in the common name field",
    54  		Citation:      "BRs: 7.1.4.2.1",
    55  		Source:        CABFBaselineRequirements,
    56  		EffectiveDate: util.CABEffectiveDate,
    57  		Lint:          &subjectReservedIP{},
    58  	})
    59  }