/
lint_dnsname_wildcard_left_of_public_suffix.go
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/
lint_dnsname_wildcard_left_of_public_suffix.go
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package lints
/*
* ZLint Copyright 2018 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/util"
)
type DNSNameWildcardLeftofPublicSuffix struct{}
func (l *DNSNameWildcardLeftofPublicSuffix) Initialize() error {
return nil
}
func (l *DNSNameWildcardLeftofPublicSuffix) CheckApplies(c *x509.Certificate) bool {
return util.IsSubscriberCert(c) && util.DNSNamesExist(c)
}
func (l *DNSNameWildcardLeftofPublicSuffix) Execute(c *x509.Certificate) *LintResult {
if c.Subject.CommonName != "" && !util.CommonNameIsIP(c) {
domainInfo := c.GetParsedSubjectCommonName(false)
if domainInfo.ParseError != nil {
return &LintResult{Status: NA}
}
if domainInfo.ParsedDomain.SLD == "*" {
return &LintResult{Status: Warn}
}
}
parsedSANDNSNames := c.GetParsedDNSNames(false)
for i := range c.GetParsedDNSNames(false) {
if parsedSANDNSNames[i].ParseError != nil {
return &LintResult{Status: NA}
}
if parsedSANDNSNames[i].ParsedDomain.SLD == "*" {
return &LintResult{Status: Warn}
}
}
return &LintResult{Status: Pass}
}
func init() {
RegisterLint(&Lint{
Name: "w_dnsname_wildcard_left_of_public_suffix",
Description: "the CA MUST establish and follow a documented procedure[^pubsuffix] that determines if the wildcard character occurs in the first label position to the left of a “registry‐controlled” label or “public suffix”",
Citation: "BRs: 3.2.2.6",
Source: CABFBaselineRequirements,
EffectiveDate: util.CABEffectiveDate,
Lint: &DNSNameWildcardLeftofPublicSuffix{},
})
}