github.com/zmap/zlint@v1.1.0/lints/lint_issuer_multiple_rdn.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  import (
    18  	"encoding/asn1"
    19  
    20  	"github.com/zmap/zcrypto/x509"
    21  	"github.com/zmap/zcrypto/x509/pkix"
    22  	"github.com/zmap/zlint/util"
    23  )
    24  
    25  type IssuerRDNHasMultipleAttribute struct{}
    26  
    27  func (l *IssuerRDNHasMultipleAttribute) Initialize() error {
    28  	return nil
    29  }
    30  
    31  func (l *IssuerRDNHasMultipleAttribute) CheckApplies(c *x509.Certificate) bool {
    32  	return true
    33  }
    34  
    35  func (l *IssuerRDNHasMultipleAttribute) Execute(c *x509.Certificate) *LintResult {
    36  	var issuer pkix.RDNSequence
    37  	_, err := asn1.Unmarshal(c.RawIssuer, &issuer)
    38  	if err != nil {
    39  		return &LintResult{Status: Fatal}
    40  	}
    41  	for _, rdn := range issuer {
    42  		if len(rdn) > 1 {
    43  			return &LintResult{Status: Warn}
    44  		}
    45  	}
    46  	return &LintResult{Status: Pass}
    47  }
    48  
    49  func init() {
    50  	RegisterLint(&Lint{
    51  		Name:          "w_multiple_issuer_rdn",
    52  		Description:   "Certificates should not have multiple attributes in a single RDN (issuer)",
    53  		Citation:      "awslabs certlint",
    54  		Source:        AWSLabs,
    55  		EffectiveDate: util.ZeroDate,
    56  		Lint:          &IssuerRDNHasMultipleAttribute{},
    57  	})
    58  }