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54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package dnssec
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import "github.com/miekg/dns"
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// newRRSIG returns a new RRSIG, with all fields filled out, except the signed data.
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func (k *DNSKEY) newRRSIG(signerName string, ttl, incep, expir uint32) *dns.RRSIG {
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sig := new(dns.RRSIG)
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sig.Hdr.Rrtype = dns.TypeRRSIG
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sig.Algorithm = k.K.Algorithm
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sig.KeyTag = k.tag
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sig.SignerName = signerName
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sig.Hdr.Ttl = ttl
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sig.OrigTtl = origTTL
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sig.Inception = incep
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sig.Expiration = expir
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return sig
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}
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type rrset struct {
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qname string
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qtype uint16
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}
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// rrSets returns rrs as a map of RRsets. It skips RRSIG and OPT records as those don't need to be signed.
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func rrSets(rrs []dns.RR) map[rrset][]dns.RR {
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m := make(map[rrset][]dns.RR)
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for _, r := range rrs {
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if r.Header().Rrtype == dns.TypeRRSIG || r.Header().Rrtype == dns.TypeOPT {
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continue
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}
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if s, ok := m[rrset{r.Header().Name, r.Header().Rrtype}]; ok {
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s = append(s, r)
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m[rrset{r.Header().Name, r.Header().Rrtype}] = s
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continue
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}
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s := make([]dns.RR, 1, 3)
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s[0] = r
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m[rrset{r.Header().Name, r.Header().Rrtype}] = s
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}
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if len(m) > 0 {
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return m
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}
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return nil
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}
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const origTTL = 3600
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