// Convert a DNSKEY request object into a DS model object. It can return errors related to
// the generation of the DS objects
func (d *DNSKEYRequest) toDSModel(fqdn string) (model.DS, error) {
// The base64 decode method don't deal very well with spaces inside the public key raw
// data. So we replace it before calculating the KeyTag
publicKey := strings.Replace(d.PublicKey, " ", "", -1)
rawDNSKEY := dns.DNSKEY{
Hdr: dns.RR_Header{
Name: fqdn,
},
Flags: d.Flags,
Protocol: uint8(3),
Algorithm: d.Algorithm,
PublicKey: publicKey,
}
rawDS := rawDNSKEY.ToDS(uint8(DefaultDigestType))
if rawDS == nil {
return model.DS{}, ErrInvalidDNSKEY
}
dsRequest := DSRequest{
Keytag: rawDS.KeyTag,
Algorithm: rawDS.Algorithm,
Digest: rawDS.Digest,
DigestType: rawDS.DigestType,
}
return dsRequest.toDSModel()
}
// Function to mock a domain
func generateAndSaveDomain(fqdn string, domainDAO dao.DomainDAO, dnskey *dns.DNSKEY) {
ds := dnskey.ToDS(uint8(model.DSDigestTypeSHA1))
domain := model.Domain{
FQDN: fqdn,
Nameservers: []model.Nameserver{
{
Host: fmt.Sprintf("ns1.%s", fqdn),
IPv4: net.ParseIP("127.0.0.1"),
},
},
DSSet: []model.DS{
{
Keytag: dnskey.KeyTag(),
Algorithm: utils.ConvertKeyAlgorithm(dnskey.Algorithm),
DigestType: model.DSDigestTypeSHA1,
Digest: ds.Digest,
},
},
}
owner, _ := mail.ParseAddress("*****@*****.**")
domain.Owners = []model.Owner{
{
Email: owner,
Language: "pt-BR",
},
}
lastCheckAt := time.Now().Add(-72 * time.Hour)
lastOKAt := lastCheckAt.Add(-24 * time.Hour)
// Set all nameservers with error and the last check equal of the error check interval,
// this will force the domain to be checked
for index, _ := range domain.Nameservers {
domain.Nameservers[index].LastCheckAt = lastCheckAt
domain.Nameservers[index].LastOKAt = lastOKAt
domain.Nameservers[index].LastStatus = model.NameserverStatusServerFailure
}
// Set all DS records with error and the last check equal of the error check interval,
// this will force the domain to be checked
for index, _ := range domain.DSSet {
domain.DSSet[index].LastCheckAt = lastCheckAt
domain.DSSet[index].LastOKAt = lastOKAt
domain.DSSet[index].LastStatus = model.DSStatusTimeout
}
if err := domainDAO.Save(&domain); err != nil {
utils.Fatalln(fmt.Sprintf("Fail to save domain %s", domain.FQDN), err)
}
}
func SignKey(zone string, dnskey *dns.DNSKEY, privateKey dns.PrivateKey) (*dns.RRSIG, error) {
rrsig := &dns.RRSIG{
Hdr: dns.RR_Header{
Name: zone,
Rrtype: dns.TypeRRSIG,
},
TypeCovered: dns.TypeDNSKEY,
Algorithm: dnskey.Algorithm,
Expiration: uint32(time.Now().Add(10 * time.Second).Unix()),
Inception: uint32(time.Now().Unix()),
KeyTag: dnskey.KeyTag(),
SignerName: zone,
}
err := rrsig.Sign(privateKey, []dns.RR{dnskey})
return rrsig, err
}