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package community
/*
* ZLint Copyright 2024 Regents of the University of Michigan
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
import (
"github.com/zmap/zcrypto/encoding/asn1"
"github.com/zmap/zcrypto/x509"
"github.com/zmap/zcrypto/x509/pkix"
"github.com/zmap/zlint/v3/lint"
"github.com/zmap/zlint/v3/util"
)
type SubjectRDNHasMultipleAttribute struct{}
func init() {
lint.RegisterCertificateLint(&lint.CertificateLint{
LintMetadata: lint.LintMetadata{
Name: "n_multiple_subject_rdn",
Description: "Certificates typically do not have multiple attributes in a single RDN (subject). This may be an error.",
Citation: "lint.AWSLabs certlint",
Source: lint.Community,
EffectiveDate: util.ZeroDate,
},
Lint: NewSubjectRDNHasMultipleAttribute,
})
}
func NewSubjectRDNHasMultipleAttribute() lint.LintInterface {
return &SubjectRDNHasMultipleAttribute{}
}
func (l *SubjectRDNHasMultipleAttribute) CheckApplies(c *x509.Certificate) bool {
return true
}
func (l *SubjectRDNHasMultipleAttribute) Execute(c *x509.Certificate) *lint.LintResult {
var subject pkix.RDNSequence
if _, err := asn1.Unmarshal(c.RawSubject, &subject); err != nil {
return &lint.LintResult{Status: lint.Fatal}
}
for _, rdn := range subject {
if len(rdn) > 1 {
return &lint.LintResult{Status: lint.Notice}
}
}
return &lint.LintResult{Status: lint.Pass}
}
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