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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 (
"github.com/zmap/zcrypto/x509"
"github.com/zmap/zcrypto/x509/pkix"
"github.com/zmap/zlint/v3/lint"
"github.com/zmap/zlint/v3/util"
)
type ExtFreshestCrlMarkedCritical struct{}
/************************************************
The freshest CRL extension identifies how delta CRL information is obtained. The extension MUST be marked as non-critical by conforming CAs. Further discussion of CRL management is contained in Section 5.
************************************************/
func init() {
lint.RegisterCertificateLint(&lint.CertificateLint{
LintMetadata: lint.LintMetadata{
Name: "e_ext_freshest_crl_marked_critical",
Description: "Freshest CRL MUST be marked as non-critical by conforming CAs",
Citation: "RFC 5280: 4.2.1.15",
Source: lint.RFC5280,
EffectiveDate: util.RFC3280Date,
},
Lint: NewExtFreshestCrlMarkedCritical,
})
}
func NewExtFreshestCrlMarkedCritical() lint.LintInterface {
return &ExtFreshestCrlMarkedCritical{}
}
func (l *ExtFreshestCrlMarkedCritical) CheckApplies(cert *x509.Certificate) bool {
return util.IsExtInCert(cert, util.FreshCRLOID)
}
func (l *ExtFreshestCrlMarkedCritical) Execute(cert *x509.Certificate) *lint.LintResult {
var fCRL *pkix.Extension = util.GetExtFromCert(cert, util.FreshCRLOID)
if fCRL != nil && fCRL.Critical {
return &lint.LintResult{Status: lint.Error}
} else if fCRL != nil && !fCRL.Critical {
return &lint.LintResult{Status: lint.Pass}
}
return &lint.LintResult{Status: lint.NA} //shouldn't happen
}
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