cwinfo/yggdrasil-go
5
0
Fork 0
mirror of https://github.com/cwinfo/yggdrasil-go.git synced 2024-11-29 16:41:36 +00:00
Code Releases Activity

Catch a nil pointer when sending a session packet to a conn, this shouldn't happen but it's caused multiple crashes in conn.recvMsg

Browse Source
This commit is contained in:
Neil Alexander 2019-09-18 13:37:01 +01:00
parent 80ba24d512
commit be35675d0f
No known key found for this signature in database
GPG Key ID: A02A2019A2BB0944
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/yggdrasil/session.go
View File

@ -470,7 +470,14 @@ func (sinfo *sessionInfo) _recvPacket(p *wire_trafficPacket) {
callback := func() { callback := func() {
util.PutBytes(p.Payload) util.PutBytes(p.Payload)
if !isOK || k != sinfo.sharedSesKey || !sinfo._nonceIsOK(&p.Nonce) { if !isOK || k != sinfo.sharedSesKey || !sinfo._nonceIsOK(&p.Nonce) {
// Either we failed to decrypt, or the session was updated, or we received this packet in the mean time // Either we failed to decrypt, or the session was updated, or we
// received this packet in the mean time
util.PutBytes(bs)
return
}
if sinfo.conn == nil {
// There's no connection associated with this session for some reason
// TODO: Figure out why this happens sometimes, it shouldn't
util.PutBytes(bs) util.PutBytes(bs)
return return
} }