dnomd343
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shadowsocksr
mirror of https://github.com/dnomd343/shadowsocksr
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1.4
clowwindy 13 years ago
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418156deba
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3 changed files with 248 additions and 1 deletions
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  1. 28
      README.md
  2. 106
      local.py
  3. 115
      server.py

28
README.md
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shadowsocks shadowsocks
=========== ===========
shadowsocks is a lightweight tunnel proxy which can help you get through firewalls
usage
-----------
Put `server.py` on your server. Edit `server.py`, change the following values:
PORT server port
KEY a password to identify clients
Run `python server.py` on your server. To run it in the background, run `setsid python server.py`.
Put `local.py` on your client machine. Edit `local.py`, change these values:
SERVER your your server ip or hostname
REMOTE_PORT server port
PORT local port
KEY a password, it must be the same as the password of your server
Run `python local.py` on your client machine.
Change proxy settings of your browser into
SOCKS5 127.0.0.1:PORT

106
local.py
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#!/usr/bin/env python
# Copyright (c) 2012 clowwindy
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
SERVER = 'myserver_ip_or_hostname'
REMOTE_PORT = 8499
PORT = 1080
KEY = "foobar!"
import socket
import select
import string
import struct
import hashlib
import threading
import time
import SocketServer
def get_table(key):
m = hashlib.md5.new()
m.update(key)
s = m.digest()
(a, b) = struct.unpack('<QQ', s)
table = [c for c in string.maketrans('', '')]
for i in xrange(1, 1024):
table.sort(lambda x, y: int(a % (ord(x) + i) - a % (ord(y) + i)))
return table
encrypt_table = ''.join(get_table(KEY))
decrypt_table = string.maketrans(encrypt_table, string.maketrans('', ''))
my_lock = threading.Lock()
def lock_print(msg):
my_lock.acquire()
try:
print "[%s]%s" % (time.ctime(), msg)
finally:
my_lock.release()
class ThreadingTCPServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
pass
class Socks5Server(SocketServer.StreamRequestHandler):
def encrypt(self, data):
return data.translate(encrypt_table)
def decrypt(self, data):
return data.translate(decrypt_table)
def handle_tcp(self, sock, remote):
fdset = [sock, remote]
counter = 0
while True:
r, w, e = select.select(fdset, [], [])
if sock in r:
r_data = sock.recv(4096)
if counter == 1:
try:
lock_print("Connecting " + r_data[5:5 + ord(r_data[4])])
except Exception:
pass
if counter < 2:
counter += 1
if remote.send(self.encrypt(r_data)) <= 0: break
if remote in r:
if sock.send(self.decrypt(remote.recv(4096))) <= 0:
break
def handle(self):
try:
sock = self.connection
remote = socket.socket()
remote.connect((SERVER, REMOTE_PORT))
self.handle_tcp(sock, remote)
except socket.error:
lock_print('socket error')
def main():
print 'Starting proxy at port %d' % PORT
server = ThreadingTCPServer(('', PORT), Socks5Server)
server.serve_forever()
if __name__ == '__main__':
main()

115
server.py
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#!/usr/bin/env python
# Copyright (c) 2012 clowwindy
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
PORT = 8499
KEY = "foobar!"
import socket
import select
import SocketServer
import struct
import string
import hashlib
def get_table(key):
m = hashlib.md5.new()
m.update(key)
s = m.digest()
(a, b) = struct.unpack('<QQ', s)
table = [c for c in string.maketrans('', '')]
for i in xrange(1, 1024):
table.sort(lambda x, y: int(a % (ord(x) + i) - a % (ord(y) + i)))
return table
class ThreadingTCPServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
pass
class Socks5Server(SocketServer.StreamRequestHandler):
def handle_tcp(self, sock, remote):
fdset = [sock, remote]
while True:
r, w, e = select.select(fdset, [], [])
if sock in r:
if remote.send(self.decrypt(sock.recv(4096))) <= 0: break
if remote in r:
if sock.send(self.encrypt(remote.recv(4096))) <= 0: break
def encrypt(self, data):
return data.translate(encrypt_table)
def decrypt(self, data):
return data.translate(decrypt_table)
def send_encrpyt(self, sock, data):
sock.send(self.encrypt(data))
def handle(self):
try:
print 'socks connection from ', self.client_address
sock = self.connection
sock.recv(262)
self.send_encrpyt(sock, "\x05\x00")
data = self.decrypt(self.rfile.read(4))
mode = ord(data[1])
addrtype = ord(data[3])
if addrtype == 1:
addr = socket.inet_ntoa(self.decrypt(self.rfile.read(4)))
elif addrtype == 3:
addr = self.decrypt(self.rfile.read(ord(self.decrypt(sock.recv(1)))))
else:
# not support
return
port = struct.unpack('>H', self.decrypt(self.rfile.read(2)))
reply = "\x05\x00\x00\x01"
try:
if mode == 1:
remote = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
remote.connect((addr, port[0]))
local = remote.getsockname()
reply += socket.inet_aton(local[0]) + struct.pack(">H", local[1])
print 'Tcp connect to', addr, port[0]
else:
reply = "\x05\x07\x00\x01" # Command not supported
print 'command not supported'
except socket.error:
# Connection refused
reply = '\x05\x05\x00\x01\x00\x00\x00\x00\x00\x00'
self.send_encrpyt(sock, reply)
if reply[1] == '\x00':
if mode == 1:
self.handle_tcp(sock, remote)
except socket.error:
print 'socket error'
def main():
server = ThreadingTCPServer(('', PORT), Socks5Server)
server.allow_reuse_address = True
print "starting server at port %d ..." % PORT
server.serve_forever()
if __name__ == '__main__':
encrypt_table = ''.join(get_table(KEY))
decrypt_table = string.maketrans(encrypt_table, string.maketrans('', ''))
main()
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