From a961aacc9f4dff9e617197c6433f8c9628928132 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Thu, 11 Jul 2019 17:36:36 +0200 Subject: device: immediately rekey all peers after changing device private key Reported-by: Derrick Pallas --- device/peer.go | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'device/peer.go') diff --git a/device/peer.go b/device/peer.go index 4e7f2da..256e4f5 100644 --- a/device/peer.go +++ b/device/peer.go @@ -232,6 +232,25 @@ func (peer *Peer) ZeroAndFlushAll() { peer.FlushNonceQueue() } +func (peer *Peer) ExpireCurrentKeypairs() { + handshake := &peer.handshake + handshake.mutex.Lock() + peer.device.indexTable.Delete(handshake.localIndex) + handshake.Clear() + handshake.mutex.Unlock() + peer.handshake.lastSentHandshake = time.Now().Add(-(RekeyTimeout + time.Second)) + + keypairs := &peer.keypairs + keypairs.Lock() + if keypairs.current != nil { + keypairs.current.sendNonce = RejectAfterMessages + } + if keypairs.next != nil { + keypairs.next.sendNonce = RejectAfterMessages + } + keypairs.Unlock() +} + func (peer *Peer) Stop() { // prevent simultaneous start/stop operations -- cgit v1.2.3-59-g8ed1b