From f68666d2274c24c019f6a4e9d99e625f60188892 Mon Sep 17 00:00:00 2001
From: Maximilian Hils <git@maximilianhils.com>
Date: Thu, 23 Dec 2021 13:43:46 +0100
Subject: [PATCH] socks5: fix a (non-critical) off-by-one, fix #4998

---
 mitmproxy/proxy/layers/modes.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mitmproxy/proxy/layers/modes.py b/mitmproxy/proxy/layers/modes.py
index 40ebfda12..6db401a02 100644
--- a/mitmproxy/proxy/layers/modes.py
+++ b/mitmproxy/proxy/layers/modes.py
@@ -204,7 +204,7 @@ class Socks5Proxy(DestinationKnown):
 
     def state_connect(self):
         # Parse Connect Request
-        if len(self.buf) < 4:
+        if len(self.buf) < 5:
             return
 
         if self.buf[:3] != b"\x05\x01\x00":