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close tcp connection with rst when tls failed

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Alexander Bersenev
2019-07-25 02:05:04 +05:00
parent 4e754a75bd
commit f5d41e9aa7
1 changed files with 32 additions and 27 deletions
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59
mtprotoproxy.py
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@@ -738,6 +738,33 @@ class ProxyReqStreamWriter(LayeredStreamWriterBase):
return self.upstream.write(full_msg) return self.upstream.write(full_msg)
def try_setsockopt(sock, level, option, value):
try:
sock.setsockopt(level, option, value)
except OSError as E:
pass
def set_keepalive(sock, interval=40, attempts=5):
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
if hasattr(socket, "TCP_KEEPIDLE"):
try_setsockopt(sock, socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, interval)
if hasattr(socket, "TCP_KEEPINTVL"):
try_setsockopt(sock, socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, interval)
if hasattr(socket, "TCP_KEEPCNT"):
try_setsockopt(sock, socket.IPPROTO_TCP, socket.TCP_KEEPCNT, attempts)
def set_ack_timeout(sock, timeout):
if hasattr(socket, "TCP_USER_TIMEOUT"):
try_setsockopt(sock, socket.IPPROTO_TCP, socket.TCP_USER_TIMEOUT, timeout*1000)
def set_bufsizes(sock, recv_buf, send_buf):
try_setsockopt(sock, socket.SOL_SOCKET, socket.SO_RCVBUF, recv_buf)
try_setsockopt(sock, socket.SOL_SOCKET, socket.SO_SNDBUF, send_buf)
async def handle_pseudo_tls_handshake(handshake, reader, writer): async def handle_pseudo_tls_handshake(handshake, reader, writer):
global used_handshakes global used_handshakes
@@ -813,7 +840,12 @@ async def handle_handshake(reader, writer):
if handshake.startswith(TLS_START_BYTES) and not config.DISABLE_TLS: if handshake.startswith(TLS_START_BYTES) and not config.DISABLE_TLS:
handshake += await reader.readexactly(TLS_HANDSHAKE_LEN - HANDSHAKE_LEN) handshake += await reader.readexactly(TLS_HANDSHAKE_LEN - HANDSHAKE_LEN)
tls_handshake_result = await handle_pseudo_tls_handshake(handshake, reader, writer) tls_handshake_result = await handle_pseudo_tls_handshake(handshake, reader, writer)
if not tls_handshake_result: if not tls_handshake_result:
if hasattr(socket, "SO_LINGER"):
INSTANT_RST = b"\x01\x00\x00\x00\x00\x00\x00\x00"
try_setsockopt(writer.get_extra_info("socket"),
socket.SOL_SOCKET, socket.SO_LINGER, INSTANT_RST)
return False return False
reader, writer = tls_handshake_result reader, writer = tls_handshake_result
handshake = await reader.readexactly(HANDSHAKE_LEN) handshake = await reader.readexactly(HANDSHAKE_LEN)
@@ -867,33 +899,6 @@ async def handle_handshake(reader, writer):
return False return False
def try_setsockopt(sock, level, option, value):
try:
sock.setsockopt(level, option, value)
except OSError as E:
pass
def set_keepalive(sock, interval=40, attempts=5):
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
if hasattr(socket, "TCP_KEEPIDLE"):
try_setsockopt(sock, socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, interval)
if hasattr(socket, "TCP_KEEPINTVL"):
try_setsockopt(sock, socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, interval)
if hasattr(socket, "TCP_KEEPCNT"):
try_setsockopt(sock, socket.IPPROTO_TCP, socket.TCP_KEEPCNT, attempts)
def set_ack_timeout(sock, timeout):
if hasattr(socket, "TCP_USER_TIMEOUT"):
try_setsockopt(sock, socket.IPPROTO_TCP, socket.TCP_USER_TIMEOUT, timeout*1000)
def set_bufsizes(sock, recv_buf, send_buf):
try_setsockopt(sock, socket.SOL_SOCKET, socket.SO_RCVBUF, recv_buf)
try_setsockopt(sock, socket.SOL_SOCKET, socket.SO_SNDBUF, send_buf)
async def open_connection_tryer(addr, port, limit, timeout, max_attempts=3): async def open_connection_tryer(addr, port, limit, timeout, max_attempts=3):
for attempt in range(max_attempts-1): for attempt in range(max_attempts-1):
try: try: