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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/zlint/v3/lint"
"github.com/zmap/zlint/v3/util"
)
type policyMapMatchesCertPolicy struct{}
/*********************************************************************
RFC 5280: 4.2.1.5
Each issuerDomainPolicy named in the policy mapping extension SHOULD
also be asserted in a certificate policies extension in the same
certificate. Policies SHOULD NOT be mapped either to or from the
special value anyPolicy (section 4.2.1.5).
*********************************************************************/
func init() {
lint.RegisterCertificateLint(&lint.CertificateLint{
LintMetadata: lint.LintMetadata{
Name: "w_ext_policy_map_not_in_cert_policy",
Description: "Each issuerDomainPolicy named in the policy mappings extension should also be asserted in a certificate policies extension",
Citation: "RFC 5280: 4.2.1.5",
Source: lint.RFC5280,
EffectiveDate: util.RFC3280Date,
},
Lint: NewPolicyMapMatchesCertPolicy,
})
}
func NewPolicyMapMatchesCertPolicy() lint.LintInterface {
return &policyMapMatchesCertPolicy{}
}
func (l *policyMapMatchesCertPolicy) CheckApplies(c *x509.Certificate) bool {
return util.IsExtInCert(c, util.PolicyMapOID)
}
func (l *policyMapMatchesCertPolicy) Execute(c *x509.Certificate) *lint.LintResult {
extPolMap := util.GetExtFromCert(c, util.PolicyMapOID)
polMap, err := util.GetMappedPolicies(extPolMap)
if err != nil {
return &lint.LintResult{Status: lint.Fatal}
}
for _, pair := range polMap {
if !util.SliceContainsOID(c.PolicyIdentifiers, pair[0]) {
return &lint.LintResult{Status: lint.Warn}
}
}
return &lint.LintResult{Status: lint.Pass}
}
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