vbatts/shadowsocks
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

fix udp ota

Browse source
This commit is contained in:
jsy 2016-01-11 10:26:51 +08:00
parent 77b2a22055
commit ca99abff89
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
shadowsocks/udprelay.py
View file

@ -69,7 +69,7 @@ import errno
import random
from shadowsocks import encrypt, eventloop, lru_cache, common, shell
from shadowsocks.common import parse_header, pack_addr, \
from shadowsocks.common import parse_header, pack_addr, onetimeauth_verify, onetimeauth_gen, \
ONETIMEAUTH_BYTES, ONETIMEAUTH_CHUNK_BYTES, ONETIMEAUTH_CHUNK_DATA_LEN, ADDRTYPE_AUTH
@ -180,12 +180,12 @@ class UDPRelay(object):
if self._one_time_auth_enable or addrtype & ADDRTYPE_AUTH:
if len(data) < header_length + ONETIMEAUTH_BYTES:
logging.warn('UDP one time auth header is too short')
return None
return
if onetimeauth_verify(data[-ONETIMEAUTH_BYTES:],
data[header_length: -ONETIMEAUTH_BYTES],
self._encryptor.decipher_iv + self._encryptor.key) is False:
logging.warn('UDP one time auth fail')
return None
return
self._one_time_authed = True
header_length += ONETIMEAUTH_BYTES
addrs = self._dns_cache.get(server_addr, None)