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channelban: leave the a: (account) extban mask verbatim — normalize_ban_mask was appending !*@* and breaking account matching

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Jean Chevronnet 2026-08-18 15:59:00 +00:00
parent bcd958d2d3
commit 33a18b81cc
1 changed files with 12 additions and 4 deletions
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16
src/channels.rs
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@ -1455,10 +1455,10 @@ pub fn normalize_ban_mask(m: &str) -> String {
let b = m.as_bytes();
if b.len() >= 2 && b[1] == b':' && (b[0] as char).is_ascii_alphabetic() {
// These extbans carry a name / spec / channel / server, not a host mask,
// so they must not be host-normalised: g: (security group), y: (reputation
// score), r: (realname), j: (channel), s: (server name), G: (country),
// b: (banned-in-channel).
if matches!(b[0], b'g' | b'y' | b'r' | b'j' | b's' | b'G' | b'b') {
// so they must not be host-normalised: a: (account), g: (security group),
// y: (reputation score), r: (realname), j: (channel), s: (server name),
// G: (country), b: (banned-in-channel).
if matches!(b[0], b'a' | b'g' | b'y' | b'r' | b'j' | b's' | b'G' | b'b') {
return m.to_string();
}
return format!("{}:{}", &m[..1], normalize_mask(&m[2..]));
@ -1470,6 +1470,14 @@ pub fn normalize_ban_mask(m: &str) -> String {
mod tests {
use super::*;
#[test]
fn account_extban_mask_is_left_verbatim() {
// a: carries an account name, not a host mask — must not gain !*@*
assert_eq!(normalize_ban_mask("a:someacct*"), "a:someacct*");
// a bare nick is still host-normalised the usual way
assert!(normalize_ban_mask("bob").contains('@'));
}
#[test]
fn member_rank_and_prefix_char_take_the_highest() {
let mut m = Member::default();