# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1575159634 -3600
# Node ID b2dd1219a321fbb44fd5e60eddbecd5fe4f39007
# Parent  676e6a1b23d4cb588c597caa9fea6cb6ad91c05b
mod_s2s: Improve TLS handshake error messages

This should make it clearer that it's about the TLS handshake. Otherwise
it's something like "unsupported protocol" or "no shared ciphers" that
might not be that obvious.

diff -r 676e6a1b23d4 -r b2dd1219a321 plugins/mod_s2s/mod_s2s.lua
--- a/plugins/mod_s2s/mod_s2s.lua	Sat Nov 30 23:33:39 2019 +0100
+++ b/plugins/mod_s2s/mod_s2s.lua	Sun Dec 01 01:20:34 2019 +0100
@@ -692,6 +692,10 @@
 	if session then
 		sessions[conn] = nil;
 		(session.log or log)("debug", "s2s disconnected: %s->%s (%s)", session.from_host, session.to_host, err or "connection closed");
+		if session.secure == false and err then
+			-- TODO util.error-ify this
+			err = "Error during negotiation of encrypted connection: "..err;
+		end
 		s2s_destroy_session(session, err);
 	end
 end