Add ISUPPORT CLIENTTAGDENY=*

Libera-Chat · Aug 10, 2024 · 20718df · 20718df
1 parent 6e1f369
commit 20718df
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/sable_ircd/src/server/mod.rs b/sable_ircd/src/server/mod.rs
@@ -188,6 +188,11 @@ impl ClientServer {
 
         ret.add(ISupportEntry::string("CASEMAPPING", "ascii"));
 
+        // https://ircv3.net/specs/extensions/message-tags#rpl_isupport-tokens
+        // Tell clients all client tags are rejected, so conforming clients won't
+        // even try to send TAGMSG (which we don't support yet).
+        ret.add(ISupportEntry::string("CLIENTTAGDENY", "*"));
+
         ret.add(ISupportEntry::int(
             "HOSTLEN",
             Hostname::LENGTH.try_into().unwrap(),