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harden: connclass clone-cap at register, ws control-frame limits, uuid recycle-skip, json-escape extjwt/filehost claims, metadata value/key caps, cloak numeric-dotted leak, relaymsg remote-nick, rpc set_oper block validation, isupport 13-token split, multi-hop privmsg routing, connectdelay=0

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This commit is contained in:
Jean Chevronnet 2026-08-15 16:27:11 +00:00
parent e935ee7002
commit 35af95fd0f
11 changed files with 129 additions and 27 deletions
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15
src/server.rs
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@ -716,17 +716,22 @@ impl Server {
// config-overridable (see modules::customprefix)
let include_oper = self.conf_bool("operprefix", false) || self.conf_bool("ojoin", false);
let prefix = crate::modules::customprefix::isupport(include_oper);
let mut lines = vec![format!(
let mut tokens: Vec<String> = format!(
"CHANTYPES=# PREFIX={prefix} CHANMODES=beIgXw,k,lfjFLHBJdK,ACDGMNOPQRSTUcimnprstuz EXTBAN=,Gbcgjmnrsy WATCH={maxwatch} MONITOR={maxmon} SILENCE={maxsil} CALLERID=g WHOX CHATHISTORY={chathist} MSGREFTYPES=timestamp,msgid UTF8ONLY CASEMAPPING=ascii NICKLEN={maxnick} CHANNELLEN={maxchan} NETWORK={}",
self.network
)];
)
.split(' ')
.map(String::from)
.collect();
if let Some(tok) = crate::modules::network_icon::isupport(self) {
lines.push(tok);
tokens.push(tok);
}
if let Some(tok) = crate::modules::filehost::isupport(self) {
lines.push(tok);
tokens.push(tok);
}
lines
// at most 13 tokens per 005 line (the RFC-suggested cap) so strict clients
// don't truncate trailing tokens
tokens.chunks(13).map(|c| c.join(" ")).collect()
}
/// Emit the ISUPPORT numerics to `uid`. When `batched` (the client negotiated