gandc/mtprotoproxy
1
0
Fork 0
mirror of https://github.com/alexbers/mtprotoproxy.git synced 2026-03-14 07:13:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

add a workaround against the clients who send zero as their itimestamp

Browse Source
This commit is contained in:
Alexander Bersenev
2019-08-23 17:19:03 +05:00
parent c51f6f85b8
commit 27f5d249a7
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
mtprotoproxy.py
View File

@@ -939,7 +939,8 @@ async def handle_fake_tls_handshake(handshake, reader, writer, peer):
continue
timestamp = int.from_bytes(xored_digest[-4:], "little")
if not is_time_skewed and not TIME_SKEW_MIN < time.time() - timestamp < TIME_SKEW_MAX:
client_time_is_ok = TIME_SKEW_MIN < time.time() - timestamp < TIME_SKEW_MAX
if not client_time_is_ok and not is_time_skewed and timestamp != 0:
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