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identify: handle case where local peer.ID is empty

This commit is contained in:
jbenet 2016-09-11 19:04:08 -04:00
parent 17d39398e9
commit aafaf38683
1 changed files with 15 additions and 1 deletions
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14
p2p/protocol/identify/id.go
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@ -166,6 +166,7 @@ func (ids *IDService) populateMessage(mes *pb.Identify, c inet.Conn) {
}
log.Debugf("%s sent listen addrs to %s: %s", c.LocalPeer(), c.RemotePeer(), laddrs)
// set our public key
ownKey := ids.Host.Peerstore().PubKey(ids.Host.ID())
if ownKey == nil {
log.Errorf("did not have own public key in Peerstore")
@ -258,8 +259,21 @@ func (ids *IDService) consumeReceivedPubKey(c inet.Conn, kb []byte) {
log.Debugf("%s cannot get peer.ID from key of remote peer: %s, %s", lp, rp, err)
return
}
if np != rp {
// if the newKey's peer.ID does not match known peer.ID...
if rp == "" && np != "" {
// if local peerid is empty, then use the new, sent key.
err := ids.Host.Peerstore().AddPubKey(rp, newKey)
if err != nil {
log.Debugf("%s could not add key for %s to peerstore: %s", lp, rp, err)
}
} else {
// we have a local peer.ID and it does not match the sent key... error.
log.Errorf("%s received key for remote peer %s mismatch: %s", lp, rp, np)
}
return
}