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Rehandshaking (#838)

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Co-authored-by: Brad Higgins <brad@defined.net>
Co-authored-by: Wade Simmons <wadey@slack-corp.com>
This commit is contained in:
Nate Brown
2023-05-04 15:16:37 -05:00
committed by GitHub
parent 0b67b19771
commit 03e4a7f988
15 changed files with 761 additions and 172 deletions
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9
handshake_manager.go
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@@ -231,7 +231,8 @@ func (c *HandshakeManager) handleOutbound(vpnIp iputil.VpnIp, f EncWriter, light
WithError(err).
Error("Failed to marshal Control message to create relay")
} else {
f.SendMessageToVpnIp(header.Control, 0, *relay, msg, make([]byte, 12), make([]byte, mtu))
// This must send over the hostinfo, not over hm.Hosts[ip]
f.SendMessageToHostInfo(header.Control, 0, relayHostInfo, msg, make([]byte, 12), make([]byte, mtu))
c.l.WithFields(logrus.Fields{
"relayFrom": c.lightHouse.myVpnIp,
"relayTo": vpnIp,
@@ -266,7 +267,7 @@ func (c *HandshakeManager) handleOutbound(vpnIp iputil.VpnIp, f EncWriter, light
WithError(err).
Error("Failed to marshal Control message to create relay")
} else {
f.SendMessageToVpnIp(header.Control, 0, *relay, msg, make([]byte, 12), make([]byte, mtu))
f.SendMessageToHostInfo(header.Control, 0, relayHostInfo, msg, make([]byte, 12), make([]byte, mtu))
c.l.WithFields(logrus.Fields{
"relayFrom": c.lightHouse.myVpnIp,
"relayTo": vpnIp,
@@ -328,8 +329,8 @@ func (c *HandshakeManager) CheckAndComplete(hostinfo *HostInfo, handshakePacket
testHostInfo := existingHostInfo
for testHostInfo != nil {
// Is it just a delayed handshake packet?
if bytes.Equal(hostinfo.HandshakePacket[handshakePacket], existingHostInfo.HandshakePacket[handshakePacket]) {
return existingHostInfo, ErrAlreadySeen
if bytes.Equal(hostinfo.HandshakePacket[handshakePacket], testHostInfo.HandshakePacket[handshakePacket]) {
return testHostInfo, ErrAlreadySeen
}
testHostInfo = testHostInfo.next