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OperServ: per-IP session limiting with exceptions

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The connection that puts an IP over its allowance is killed on connect.
The ircd's per-user IP (UID param 7) is now plumbed through UserConnect and
tracked per-IP in the live network view (incremented on connect, released
on quit).

- [session] default_limit sets the base allowance (0/absent = off).
- OperServ SESSION LIST <min> / VIEW <ip> inspect live counts.
- OperServ EXCEPTION ADD <ip-mask> <limit> [reason] / DEL / LIST override
  the limit per IP-mask (limit 0 = unlimited); event-sourced so they
  federate and survive restart, matched most-permissive-wins.

All admin-gated.
This commit is contained in:
Jean Chevronnet 2026-07-14 01:46:09 +00:00
parent 78ad909706
commit 76a7162227
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11 changed files with 410 additions and 116 deletions
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6
operserv/src/lib.rs
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@ -27,6 +27,8 @@ mod info;
mod news;
#[path = "oper.rs"]
mod oper;
#[path = "session.rs"]
mod session;
pub struct OperServ {
pub uid: String,
@ -65,6 +67,8 @@ impl Service for OperServ {
Some(cmd) if cmd.eq_ignore_ascii_case("INFO") => info::handle(me, from, args, ctx, db),
Some(cmd) if cmd.eq_ignore_ascii_case("NEWS") => news::handle(me, from, args, ctx, db),
Some(cmd) if cmd.eq_ignore_ascii_case("OPER") => oper::handle(me, from, args, ctx, db),
Some(cmd) if cmd.eq_ignore_ascii_case("SESSION") => session::handle_session(me, from, args, ctx, net),
Some(cmd) if cmd.eq_ignore_ascii_case("EXCEPTION") => session::handle_exception(me, from, args, ctx, db),
Some(cmd) if cmd.eq_ignore_ascii_case("HELP") => help(me, from, ctx),
None => help(me, from, ctx),
Some(other) => ctx.notice(me, from.uid, format!("I don't know \x02{other}\x02. Try \x02HELP\x02.")),
@ -73,5 +77,5 @@ impl Service for OperServ {
}
fn help(me: &str, from: &Sender, ctx: &mut ServiceCtx) {
ctx.notice(me, from.uid, "OperServ holds network operator tools (Priv::Admin): \x02AKILL\x02 ADD|DEL|LIST (user@host bans), \x02SQLINE\x02 ADD|DEL|LIST (nick bans), \x02SNLINE\x02 ADD|DEL|LIST (realname bans), \x02GLOBAL\x02 <message> (announce to everyone), \x02KILL\x02 <nick> [reason] (disconnect a user), \x02KICK\x02 <#chan> <nick> [reason], \x02MODE\x02 <#chan> <modes> [params], \x02IGNORE\x02 ADD|DEL|LIST (silence a user from services), \x02STATS\x02 (enforcement overview), \x02SVSNICK\x02 <nick> <newnick>, \x02SVSJOIN\x02 <nick> <#chan> [key], \x02INFO\x02 ADD|DEL <target> (staff notes), \x02NEWS\x02 ADD|DEL|LIST <LOGON|OPER> (announcements), \x02OPER\x02 ADD|DEL|LIST (runtime operators).");
ctx.notice(me, from.uid, "OperServ holds network operator tools (Priv::Admin): \x02AKILL\x02 ADD|DEL|LIST (user@host bans), \x02SQLINE\x02 ADD|DEL|LIST (nick bans), \x02SNLINE\x02 ADD|DEL|LIST (realname bans), \x02GLOBAL\x02 <message> (announce to everyone), \x02KILL\x02 <nick> [reason] (disconnect a user), \x02KICK\x02 <#chan> <nick> [reason], \x02MODE\x02 <#chan> <modes> [params], \x02IGNORE\x02 ADD|DEL|LIST (silence a user from services), \x02STATS\x02 (enforcement overview), \x02SVSNICK\x02 <nick> <newnick>, \x02SVSJOIN\x02 <nick> <#chan> [key], \x02INFO\x02 ADD|DEL <target> (staff notes), \x02NEWS\x02 ADD|DEL|LIST <LOGON|OPER> (announcements), \x02OPER\x02 ADD|DEL|LIST (runtime operators), \x02SESSION\x02 LIST|VIEW + \x02EXCEPTION\x02 ADD|DEL|LIST (per-IP session limits).");
}