Add BGPsec Router Key support to rtrdump

Tag: https://github.com/bgp/stayrtr/issues/57

cmd/rtrdump/rtrdump.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"crypto/tls"
+	"encoding/hex"
 	"encoding/json"
 	"flag"
 	"fmt"
@@ -96,6 +97,18 @@ func (c *Client) HandlePDU(cs *rtr.ClientSession, pdu rtr.PDU) {
 		c.Data.Data = append(c.Data.Data, rj)
 		c.Data.Metadata.Counts++
 
+		if *LogDataPDU {
+			log.Debugf("Received: %v", pdu)
+		}
+	case *rtr.PDURouterKey:
+		skiHex := hex.EncodeToString(pdu.SubjectKeyIdentifier)
+		rj := prefixfile.BgpSecKeyJson{
+			Asn:    uint32(pdu.ASN),
+			Pubkey: pdu.SubjectPublicKeyInfo,
+			Ski:    skiHex,
+		}
+		c.Data.BgpSecKeys = append(c.Data.BgpSecKeys, rj)
+
 		if *LogDataPDU {
 			log.Debugf("Received: %v", pdu)
 		}

prefixfile/prefixfile.go

@@ -38,7 +38,7 @@ type VRPList struct {
 type BgpSecKeyJson struct {
 	Asn     uint32  `json:"asn"`
 	Expires *uint32 `json:"expires,omitempty"`
-	Ta      string  `json:"ta"`
+	Ta      string  `json:"ta,omitempty"`
 
 	// Base32 encoded, but encoding/json handles this for us
 	// Example: MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE4FxJr0n2bux1uX1Evl+QWwZYvIadPjLuFX2mxqKuAGUhKnr7VLLDgrE++l9p5eH2kWTNVAN22FUU3db/RKpE2w==