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package rfc
/*
* 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 (
"unicode/utf8"
"github.com/zmap/zcrypto/x509"
"github.com/zmap/zlint/v3/lint"
"github.com/zmap/zlint/v3/util"
)
type subjectOrganizationalUnitNameMaxLength struct{}
/************************************************
RFC 5280: A.1
* In this Appendix, there is a list of upperbounds
for fields in a x509 Certificate. *
ub-organizational-unit-name INTEGER ::= 64
************************************************/
func init() {
lint.RegisterCertificateLint(&lint.CertificateLint{
LintMetadata: lint.LintMetadata{
Name: "e_subject_organizational_unit_name_max_length",
Description: "The 'Organizational Unit Name' field of the subject MUST be less than 65 characters",
Citation: "RFC 5280: A.1",
Source: lint.RFC5280,
EffectiveDate: util.RFC2459Date,
},
Lint: NewSubjectOrganizationalUnitNameMaxLength,
})
}
func NewSubjectOrganizationalUnitNameMaxLength() lint.LintInterface {
return &subjectOrganizationalUnitNameMaxLength{}
}
func (l *subjectOrganizationalUnitNameMaxLength) CheckApplies(c *x509.Certificate) bool {
return len(c.Subject.OrganizationalUnit) > 0
}
func (l *subjectOrganizationalUnitNameMaxLength) Execute(c *x509.Certificate) *lint.LintResult {
for _, j := range c.Subject.OrganizationalUnit {
if utf8.RuneCountInString(j) > 64 {
return &lint.LintResult{Status: lint.Error}
}
}
return &lint.LintResult{Status: lint.Pass}
}
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