# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1615915025 -3600
# Node ID 3eef052c72d82f3911d305eb9ce2ce85059f2c48
# Parent  2e12290820e8a1a54e3406165d0783dd367b978a
mod_c2s: Advertise stanza size limit to clients

Should help clients avoid sending stanzas that will get their stream
killed.  Custom namespace while ironing out the protocol.

My spoon is too big!

diff -r 2e12290820e8 -r 3eef052c72d8 plugins/mod_c2s.lua
--- a/plugins/mod_c2s.lua	Sun Nov 13 19:44:53 2022 +0100
+++ b/plugins/mod_c2s.lua	Tue Mar 16 18:17:05 2021 +0100
@@ -130,6 +130,10 @@
 	local features = st.stanza("stream:features");
 	hosts[session.host].events.fire_event("stream-features", { origin = session, features = features, stream = attr });
 	if features.tags[1] or session.full_jid then
+		if stanza_size_limit then
+			features:reset();
+			features:tag("stanza-size-limit", { xmlns = "xmpp:prosody.im/stream/limits", bytes = string.format("%d", stanza_size_limit) });
+		end
 		send(features);
 	else
 		if session.secure then