From 7502d1dc311df6c61f6ae0b1707e17b246712dd3 Mon Sep 17 00:00:00 2001
From: Alexander Bersenev <bay@hackerdom.ru>
Date: Fri, 16 Aug 2019 18:11:50 +0500
Subject: [PATCH] add one more message about the client time skew

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

diff --git a/mtprotoproxy.py b/mtprotoproxy.py
index 0cc59dd..6640f2e 100755
--- a/mtprotoproxy.py
+++ b/mtprotoproxy.py
@@ -884,6 +884,7 @@ async def handle_fake_tls_handshake(handshake, reader, writer, peer):
         timestamp = int.from_bytes(xored_digest[-4:], "little")
         if not is_time_skewed and abs(time.time() - timestamp) > TIME_SKEW_TOLERANCE:
             print_err("Client with time skew detected from %s, can be a replay-attack" % peer[0])
+            print_err("The clocks were %d minutes behind" % ((time.time() - timestamp) // 60))
             continue
 
         http_data = bytearray([random.randrange(0, 256) for i in range(fake_cert_len)])