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Cap and freeze-gate GroupServ registration

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Jean Chevronnet 2026-07-19 17:45:04 +00:00
parent 0c85c5b569
commit fa9eaece45
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4 changed files with 22 additions and 0 deletions
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13
modules/groupserv/src/register.rs
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@ -11,6 +11,12 @@ pub fn handle(me: &str, from: &Sender, name: Option<&str>, ctx: &mut ServiceCtx,
ctx.notice(me, from.uid, "A group name starts with \x02!\x02, e.g. \x02!staff\x02.");
return;
}
// Honour the registration freeze staff raise during a spam wave, like
// NickServ/ChanServ REGISTER — otherwise the group namespace stays open.
if db.registrations_frozen() {
ctx.notice(me, from.uid, "Group registration is temporarily disabled. Please try again later.");
return;
}
// Guard the group namespace like NickServ/ChanServ REGISTER: a look-alike group
// name (!аdmin) could impersonate a real one that opers grant channel access to.
if db.confusable_check_enabled() {
@ -19,6 +25,13 @@ pub fn handle(me: &str, from: &Sender, name: Option<&str>, ctx: &mut ServiceCtx,
return;
}
}
// Cap groups per founder so the append-only log can't be grown without bound
// (mirrors NickServ's grouped-nick and AJOIN caps).
const MAX_GROUPS: usize = 25;
if db.groups_founded(acc) >= MAX_GROUPS {
ctx.notice(me, from.uid, format!("You've reached the maximum of {MAX_GROUPS} registered groups."));
return;
}
let acc = acc.to_string();
match db.group_register(name, &acc) {
Ok(()) => ctx.notice(me, from.uid, format!("Group \x02{name}\x02 registered — you're the founder.")),