Derive registration credentials off-thread; rate-limit REGISTER; constant-time SCRAM compare

This commit is contained in:
Jean Chevronnet 2026-07-12 02:31:52 +00:00
parent 496c0f99a6
commit 9a918839fe
No known key found for this signature in database
10 changed files with 214 additions and 36 deletions

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@ -1,5 +1,6 @@
use crate::engine::db::{Db, RegError};
use crate::engine::db::Db;
use crate::engine::service::{Sender, Service, ServiceCtx};
use crate::proto::RegReply;
pub struct NickServ {
pub uid: String,
@ -26,15 +27,12 @@ impl Service for NickServ {
return;
};
let email = args.get(2).map(|s| s.to_string());
match db.register(from.nick, password, email) {
Ok(()) => {
// Registering identifies you to the nick right away (drives 900).
ctx.login(from.uid, from.nick);
ctx.notice(me, from.uid, format!("Nickname \x02{}\x02 is now registered.", from.nick));
}
Err(RegError::Exists) => ctx.notice(me, from.uid, format!("Nickname \x02{}\x02 is already registered.", from.nick)),
Err(RegError::Internal) => ctx.notice(me, from.uid, "Registration failed, please try again later."),
}
// The engine derives the password off-thread, commits, and answers.
ctx.defer_register(from.nick, *password, email, RegReply::NickServ {
agent: me.to_string(),
uid: from.uid.to_string(),
nick: from.nick.to_string(),
});
}
Some("IDENTIFY") => {
let Some(password) = args.get(1) else {