Function createTemplateData

command/certificate/sign.go:457–489

createTemplateData create a new template data with subject and sans based on the information in the certificate request, and the maxPathLen for intermediate certificates.

(cr *x509.CertificateRequest, maxPathLen int, omitCNSAN bool)

// the information in the certificate request, and the maxPathLen for
// intermediate certificates.
func createTemplateData(cr *x509.CertificateRequest, maxPathLen int, omitCNSAN bool) x509util.TemplateData {
	var sans []string
	sans = append(sans, cr.DNSNames...)
	sans = append(sans, cr.EmailAddresses...)
	for _, v := range cr.IPAddresses {
		sans = append(sans, v.String())
	}
	for _, v := range cr.URIs {
		sans = append(sans, v.String())
	}

	if !omitCNSAN && len(sans) == 0 && cr.Subject.CommonName != "" {
		sans = append(sans, cr.Subject.CommonName)
	}

	data := x509util.NewTemplateData()
	data.SetCertificateRequest(cr)
	data.Set("MaxPathLen", maxPathLen)
	data.SetSubject(x509util.Subject{
		Country:            cr.Subject.Country,
		Organization:       cr.Subject.Organization,
		OrganizationalUnit: cr.Subject.OrganizationalUnit,
		Locality:           cr.Subject.Locality,
		Province:           cr.Subject.Province,
		StreetAddress:      cr.Subject.StreetAddress,
		PostalCode:         cr.Subject.PostalCode,
		SerialNumber:       cr.Subject.SerialNumber,
		CommonName:         cr.Subject.CommonName,
		ExtraNames:         x509util.NewExtraNames(cr.Subject.ExtraNames),
	})
	data.SetSANs(sans)
	return data
}