SSHFP can also be independant records

services/abstract/server.go

@@ -88,13 +88,8 @@ func (s *Server) GenRRs(domain string, ttl uint32, origin string) (rrs models.Re
 
 		rrs = append(rrs, rc)
 	}
-	for _, sshfp := range s.SSHFP {
-		rc := utils.NewRecordConfig(domain, "SSHFP", ttl, origin)
-		rc.SshfpAlgorithm = sshfp.Algorithm
-		rc.SshfpFingerprint = sshfp.Type
-		rc.SetTarget(sshfp.FingerPrint)
-
-		rrs = append(rrs, rc)
+	if len(s.SSHFP) > 0 {
+		rrs = append(rrs, (&svcs.SSHFPs{SSHFP: s.SSHFP}).GenRRs(domain, ttl, origin)...)
 	}
 
 	return

services/sshfp.go

@@ -21,10 +21,96 @@
 
 package svcs
 
-import ()
+import (
+	"fmt"
+
+	"github.com/StackExchange/dnscontrol/v4/models"
+	"github.com/miekg/dns"
+
+	"git.happydns.org/happyDomain/model"
+	"git.happydns.org/happyDomain/utils"
+)
 
 type SSHFP struct {
 	Algorithm   uint8  `json:"algorithm"`
 	Type        uint8  `json:"type"`
 	FingerPrint string `json:"fingerprint"`
 }
+
+type SSHFPs struct {
+	SSHFP []*SSHFP `json:"SSHFP,omitempty" happydomain:"label=SSH Fingerprint,description=Server's SSH fingerprint"`
+}
+
+func (s *SSHFPs) GetNbResources() int {
+	return len(s.SSHFP)
+}
+
+func (s *SSHFPs) GenComment(origin string) string {
+	return fmt.Sprintf("%d fingerprints", len(s.SSHFP))
+}
+
+func (s *SSHFPs) GenRRs(domain string, ttl uint32, origin string) (rrs models.Records) {
+	for _, sshfp := range s.SSHFP {
+		rc := utils.NewRecordConfig(domain, "SSHFP", ttl, origin)
+		rc.SshfpAlgorithm = sshfp.Algorithm
+		rc.SshfpFingerprint = sshfp.Type
+		rc.SetTarget(sshfp.FingerPrint)
+
+		rrs = append(rrs, rc)
+	}
+
+	return
+}
+
+func sshfp_analyze(a *Analyzer) error {
+	pool := map[string]models.Records{}
+
+	for _, record := range a.SearchRR(AnalyzerRecordFilter{Type: dns.TypeSSHFP}) {
+		domain := record.NameFQDN
+
+		pool[domain] = append(pool[domain], record)
+	}
+
+	for dn, rrs := range pool {
+		s := &SSHFPs{}
+
+		for _, rr := range rrs {
+			if rr.Type == "SSHFP" {
+				s.SSHFP = append(s.SSHFP, &SSHFP{
+					Algorithm:   rr.SshfpAlgorithm,
+					Type:        rr.SshfpFingerprint,
+					FingerPrint: rr.GetTargetField(),
+				})
+
+				a.UseRR(rr, dn, s)
+			}
+		}
+	}
+
+	return nil
+}
+
+func init() {
+	RegisterService(
+		func() happydns.Service {
+			return &SSHFPs{}
+		},
+		sshfp_analyze,
+		ServiceInfos{
+			Name:        "SSHFP",
+			Description: "Store SSH key fingerprints in DNS.",
+			Categories: []string{
+				"security",
+			},
+			RecordTypes: []uint16{
+				dns.TypeSSHFP,
+			},
+			Restrictions: ServiceRestrictions{
+				NeedTypes: []uint16{
+					dns.TypeSSHFP,
+				},
+			},
+		},
+		1000,
+	)
+}