Python port of ShadowsocksR
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (c) 2014 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.
import os
import json
import sys
import getopt
import logging
def check_python():
info = sys.version_info
if not (info.major == 2 and info.minor >= 6):
print 'Python 2.6 or 2.7 required'
sys.exit(1)
def print_shadowsocks():
version = ''
try:
import pkg_resources
version = pkg_resources.get_distribution('shadowsocks').version
except Exception:
pass
print 'shadowsocks %s' % version
def find_config():
config_path = 'config.json'
if os.path.exists(config_path):
return config_path
config_path = os.path.join(os.path.dirname(__file__), '../', 'config.json')
if os.path.exists(config_path):
return config_path
return None
def check_config(config):
if config.get('local_address', '') in ['0.0.0.0']:
logging.warn('warning: local set to listen 0.0.0.0, which is not safe')
if config.get('server', '') in ['127.0.0.1', 'localhost']:
logging.warn('warning: server set to listen %s:%s, are you sure?' %
(config['server'], config['server_port']))
if (config.get('method', '') or '').lower() == 'rc4':
logging.warn('warning: RC4 is not safe; please use a safer cipher, '
'like AES-256-CFB')
if (int(config.get('timeout', 300)) or 300) < 100:
logging.warn('warning: your timeout %d seems too short' %
int(config.get('timeout')))
if (int(config.get('timeout', 300)) or 300) > 600:
logging.warn('warning: your timeout %d seems too long' %
int(config.get('timeout')))
def get_config(is_local):
if is_local:
shortopts = 's:b:p:k:l:m:c:t:v'
longopts = ['fast-open']
else:
shortopts = 's:p:k:m:c:t:v'
longopts = ['fast-open', 'workers:']
try:
config_path = find_config()
optlist, args = getopt.getopt(sys.argv[1:], shortopts, longopts)
for key, value in optlist:
if key == '-c':
config_path = value
if config_path:
logging.info('loading config from %s' % config_path)
with open(config_path, 'rb') as f:
try:
config = json.load(f)
except ValueError as e:
logging.error('found an error in config.json: %s',
e.message)
sys.exit(1)
else:
config = {}
optlist, args = getopt.getopt(sys.argv[1:], shortopts, longopts)
for key, value in optlist:
if key == '-p':
config['server_port'] = int(value)
elif key == '-k':
config['password'] = value
elif key == '-l':
config['local_port'] = int(value)
elif key == '-s':
config['server'] = value
elif key == '-m':
config['method'] = value
elif key == '-b':
config['local_address'] = value
elif key == '-v':
config['verbose'] = True
elif key == '--fast-open':
config['fast_open'] = True
elif key == '--workers':
config['workers'] = value
except getopt.GetoptError as e:
print >>sys.stderr, e
if is_local:
print_local_help()
else:
print_server_help()
sys.exit(2)
if not config['password'] and not config_path:
sys.exit('config not specified, please read '
'https://github.com/clowwindy/shadowsocks')
config['password'] = config.get('password', None)
config['method'] = config.get('method', None)
config['port_password'] = config.get('port_password', None)
config['timeout'] = int(config.get('timeout', 300))
config['fast_open'] = config.get('fast_open', False)
config['workers'] = config.get('workers', 1)
config['verbose'] = config.get('verbose', False)
config['local_address'] = config.get('local_address', '127.0.0.1')
if config['verbose']:
level = logging.DEBUG
else:
level = logging.INFO
logging.getLogger('').handlers = []
logging.basicConfig(level=level,
format='%(asctime)s %(levelname)-8s %(message)s',
datefmt='%Y-%m-%d %H:%M:%S', filemode='a+')
check_config(config)
return config
def print_local_help():
print '''usage: sslocal [-h] -s SERVER_ADDR -p SERVER_PORT [-b LOCAL_ADDR]
-l LOCAL_PORT -k PASSWORD -m METHOD [-t TIMEOUT] [-c CONFIG]
[--fast-open] [-v]
optional arguments:
-h, --help show this help message and exit
-s SERVER_ADDR server address
-p SERVER_PORT server port
-b LOCAL_ADDR local binding address, default is 127.0.0.1
-l LOCAL_PORT local port
-k PASSWORD password
-m METHOD encryption method, for example, aes-256-cfb
-t TIMEOUT timeout in seconds
-c CONFIG path to config file
--fast-open use TCP_FASTOPEN, requires Linux 3.7+
-v verbose mode
Online help: <https://github.com/clowwindy/shadowsocks>
'''
def print_server_help():
print '''usage: ssserver [-h] -s SERVER_ADDR -p SERVER_PORT -k PASSWORD
-m METHOD [-t TIMEOUT] [-c CONFIG] [--fast-open] [-v]
optional arguments:
-h, --help show this help message and exit
-s SERVER_ADDR server address
-p SERVER_PORT server port
-k PASSWORD password
-m METHOD encryption method, for example, aes-256-cfb
-t TIMEOUT timeout in seconds
-c CONFIG path to config file
--fast-open use TCP_FASTOPEN, requires Linux 3.7+
--workers WORKERS number of workers, available on Unix/Linux
-v verbose mode
Online help: <https://github.com/clowwindy/shadowsocks>
'''