From 06ed40c8155814f748dc0c73eff6d8f61ff4c0bd Mon Sep 17 00:00:00 2001
From: Alexander Bersenev <bay@hackerdom.ru>
Date: Mon, 19 Aug 2019 03:44:08 +0500
Subject: [PATCH] handle unknown ip situation, for example for unix-sockets

---
 mtprotoproxy.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mtprotoproxy.py b/mtprotoproxy.py
index acb8566..e24f2d1 100755
--- a/mtprotoproxy.py
+++ b/mtprotoproxy.py
@@ -1007,7 +1007,7 @@ async def handle_handshake(reader, writer):
     peer = writer.get_extra_info("peername")[:2]
 
     if config.PROXY_PROTOCOL:
-        ip = peer[0]
+        ip = peer[0] if peer else "unknown address"
         peer = await handle_proxy_protocol(reader, peer)
         if not peer:
             print_err("Client from %s sent bad proxy protocol headers" % ip)