From 1d46ca36e68e0f686aaafec0890cdaf91279cdb4 Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Sat, 2 Nov 2019 15:43:17 +0100 Subject: mod_s2s: Only nameprep stream to/from addresses if they are present Prevents traceback from nameprep(nil) --- plugins/mod_s2s/mod_s2s.lua | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/plugins/mod_s2s/mod_s2s.lua b/plugins/mod_s2s/mod_s2s.lua index b9c13ef2..42998c30 100644 --- a/plugins/mod_s2s/mod_s2s.lua +++ b/plugins/mod_s2s/mod_s2s.lua @@ -327,7 +327,9 @@ function stream_callbacks._streamopened(session, attr) -- Send a reply stream header -- Validate to/from - local to, from = nameprep(attr.to), nameprep(attr.from); + local to, from = attr.to, attr.from; + if to then to = nameprep(attr.to); end + if from then from = nameprep(attr.from); end if not to and attr.to then -- COMPAT: Some servers do not reliably set 'to' (especially on stream restarts) session:close({ condition = "improper-addressing", text = "Invalid 'to' address" }); return; -- cgit v1.2.3