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add forbidden support for UDP and add tests

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This commit is contained in:
clowwindy 2015-01-12 23:02:59 +08:00
parent eb94bd1cc3
commit 4312eb9e58
4 changed files with 34 additions and 10 deletions
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11
shadowsocks/udprelay.py
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@ -112,6 +112,11 @@ class UDPRelay(object):
self._closed = False
self._last_time = time.time()
self._sockets = set()
print(config)
if 'forbidden_ip' in config:
self._forbidden_iplist = config['forbidden_ip']
else:
self._forbidden_iplist = None
addrs = socket.getaddrinfo(self._listen_addr, self._listen_port, 0,
socket.SOCK_DGRAM, socket.SOL_UDP)
@ -178,6 +183,12 @@ class UDPRelay(object):
socket.SOCK_DGRAM, socket.SOL_UDP)
if addrs:
af, socktype, proto, canonname, sa = addrs[0]
if self._forbidden_iplist:
if common.to_str(sa[0]) in self._forbidden_iplist:
logging.warn('IP %s is in forbidden list, drop' %
common.to_str(sa[0]))
# drop
return
client = socket.socket(af, socktype, proto)
client.setblocking(False)
self._cache[key] = client