From 0f407712233b570462c56055b55bfe34dd33bef1 Mon Sep 17 00:00:00 2001
From: Igor <igor@debian>
Date: Wed, 18 Feb 2026 10:28:43 +0300
Subject: [PATCH] Fix ME proxy config parser to support IPv6 addresses

The getProxyConfigV6 endpoint returns addresses in [ipv6]:port format,
but the regex only matched IPv4 host:port, causing IPv6 ME map to be empty.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 src/transport/middle_proxy/config_updater.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/transport/middle_proxy/config_updater.rs b/src/transport/middle_proxy/config_updater.rs
index 8ac6986..4a03729 100644
--- a/src/transport/middle_proxy/config_updater.rs
+++ b/src/transport/middle_proxy/config_updater.rs
@@ -48,7 +48,8 @@ pub async fn fetch_proxy_config(url: &str) -> Result<ProxyConfigData> {
         .await
         .map_err(|e| crate::error::ProxyError::Proxy(format!("fetch_proxy_config read failed: {e}")))?;
 
-    let re_proxy = Regex::new(r"proxy_for\s+(-?\d+)\s+([^\s:]+):(\d+)\s*;").unwrap();
+    // Matches both IPv4 `host:port` and IPv6 `[host]:port` formats
+    let re_proxy = Regex::new(r"proxy_for\s+(-?\d+)\s+\[?([^\]\s]+)\]?:(\d+)\s*;").unwrap();
     let re_default = Regex::new(r"default\s+(-?\d+)\s*;").unwrap();
 
     let mut map: HashMap<i32, Vec<(IpAddr, u16)>> = HashMap::new();