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update client hello handling for newer tg clients

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Alexander Bersenev
2025-11-18 03:46:19 +05:00
parent 8bb885ada5
commit e0ea17978c
1 changed files with 8 additions and 3 deletions
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11
mtprotoproxy.py
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@@ -62,7 +62,6 @@ PREKEY_LEN = 32
KEY_LEN = 32
IV_LEN = 16
HANDSHAKE_LEN = 64
TLS_HANDSHAKE_LEN = 1 + 2 + 2 + 512
PROTO_TAG_POS = 56
DC_IDX_POS = 60
@@ -1236,7 +1235,7 @@ async def handle_handshake(reader, writer):
global last_client_ips
global last_clients_with_same_handshake
TLS_START_BYTES = b"\x16\x03\x01\x02\x00\x01\x00\x01\xfc\x03\x03"
TLS_START_BYTES = b"\x16\x03\x01"
if writer.transport.is_closing() or writer.get_extra_info("peername") is None:
return False
@@ -1262,7 +1261,13 @@ async def handle_handshake(reader, writer):
break
if is_tls_handshake:
handshake += await reader.readexactly(TLS_HANDSHAKE_LEN - len(handshake))
handshake += await reader.readexactly(2)
tls_handshake_len = int.from_bytes(handshake[-2:], "big")
if tls_handshake_len < 512:
is_tls_handshake = False
if is_tls_handshake:
handshake += await reader.readexactly(tls_handshake_len)
tls_handshake_result = await handle_fake_tls_handshake(handshake, reader, writer, peer)
if not tls_handshake_result: