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370 lines
13 KiB
370 lines
13 KiB
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# Copyright 2015 clowwindy
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import, division, print_function, \
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with_statement
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import os
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import json
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import sys
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import getopt
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import logging
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from shadowsocks.common import to_bytes, to_str, IPNetwork
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from shadowsocks import encrypt
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VERBOSE_LEVEL = 5
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verbose = 0
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def check_python():
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info = sys.version_info
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if info[0] == 2 and not info[1] >= 6:
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print('Python 2.6+ required')
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sys.exit(1)
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elif info[0] == 3 and not info[1] >= 3:
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print('Python 3.3+ required')
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sys.exit(1)
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elif info[0] not in [2, 3]:
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print('Python version not supported')
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sys.exit(1)
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def print_exception(e):
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global verbose
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logging.error(e)
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if verbose > 0:
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import traceback
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traceback.print_exc()
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def print_shadowsocks():
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version = ''
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try:
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import pkg_resources
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version = pkg_resources.get_distribution('shadowsocks').version
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except Exception:
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pass
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print('Shadowsocks %s' % version)
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def find_config():
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config_path = 'config.json'
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if os.path.exists(config_path):
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return config_path
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config_path = os.path.join(os.path.dirname(__file__), '../', 'config.json')
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if os.path.exists(config_path):
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return config_path
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return None
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def check_config(config, is_local):
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if config.get('daemon', None) == 'stop':
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# no need to specify configuration for daemon stop
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return
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if is_local and not config.get('password', None):
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logging.error('password not specified')
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print_help(is_local)
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sys.exit(2)
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if not is_local and not config.get('password', None) \
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and not config.get('port_password', None):
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logging.error('password or port_password not specified')
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print_help(is_local)
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sys.exit(2)
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if 'local_port' in config:
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config['local_port'] = int(config['local_port'])
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if 'server_port' in config and type(config['server_port']) != list:
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config['server_port'] = int(config['server_port'])
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if config.get('local_address', '') in [b'0.0.0.0']:
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logging.warn('warning: local set to listen on 0.0.0.0, it\'s not safe')
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if config.get('server', '') in ['127.0.0.1', 'localhost']:
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logging.warn('warning: server set to listen on %s:%s, are you sure?' %
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(to_str(config['server']), config['server_port']))
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if (config.get('method', '') or '').lower() == 'table':
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logging.warn('warning: table is not safe; please use a safer cipher, '
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'like AES-256-CFB')
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if (config.get('method', '') or '').lower() == 'rc4':
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logging.warn('warning: RC4 is not safe; please use a safer cipher, '
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'like AES-256-CFB')
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if config.get('timeout', 300) < 100:
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logging.warn('warning: your timeout %d seems too short' %
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int(config.get('timeout')))
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if config.get('timeout', 300) > 600:
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logging.warn('warning: your timeout %d seems too long' %
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int(config.get('timeout')))
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if config.get('password') in [b'mypassword']:
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logging.error('DON\'T USE DEFAULT PASSWORD! Please change it in your '
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'config.json!')
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sys.exit(1)
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if config.get('user', None) is not None:
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if os.name != 'posix':
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logging.error('user can be used only on Unix')
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sys.exit(1)
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encrypt.try_cipher(config['password'], config['method'])
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def get_config(is_local):
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global verbose
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logging.basicConfig(level=logging.INFO,
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format='%(levelname)-s: %(message)s')
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if is_local:
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shortopts = 'hd:s:b:p:k:l:m:o:c:t:vq'
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longopts = ['help', 'fast-open', 'pid-file=', 'log-file=', 'user=',
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'version']
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else:
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shortopts = 'hd:s:p:k:m:o:c:t:vq'
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longopts = ['help', 'fast-open', 'pid-file=', 'log-file=', 'workers=',
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'forbidden-ip=', 'user=', 'manager-address=', 'version']
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try:
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config_path = find_config()
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optlist, args = getopt.getopt(sys.argv[1:], shortopts, longopts)
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for key, value in optlist:
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if key == '-c':
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config_path = value
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if config_path:
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logging.info('loading config from %s' % config_path)
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with open(config_path, 'rb') as f:
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try:
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config = parse_json_in_str(f.read().decode('utf8'))
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except ValueError as e:
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logging.error('found an error in config.json: %s',
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e.message)
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sys.exit(1)
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else:
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config = {}
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v_count = 0
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for key, value in optlist:
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if key == '-p':
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config['server_port'] = int(value)
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elif key == '-k':
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config['password'] = to_bytes(value)
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elif key == '-l':
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config['local_port'] = int(value)
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elif key == '-s':
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config['server'] = to_str(value)
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elif key == '-m':
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config['method'] = to_str(value)
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elif key == '-o':
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config['obfs'] = to_str(value)
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elif key == '-b':
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config['local_address'] = to_str(value)
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elif key == '-v':
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v_count += 1
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# '-vv' turns on more verbose mode
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config['verbose'] = v_count
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elif key == '-t':
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config['timeout'] = int(value)
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elif key == '--fast-open':
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config['fast_open'] = True
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elif key == '--workers':
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config['workers'] = int(value)
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elif key == '--manager-address':
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config['manager_address'] = value
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elif key == '--user':
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config['user'] = to_str(value)
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elif key == '--forbidden-ip':
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config['forbidden_ip'] = to_str(value).split(',')
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elif key in ('-h', '--help'):
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if is_local:
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print_local_help()
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else:
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print_server_help()
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sys.exit(0)
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elif key == '--version':
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print_shadowsocks()
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sys.exit(0)
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elif key == '-d':
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config['daemon'] = to_str(value)
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elif key == '--pid-file':
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config['pid-file'] = to_str(value)
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elif key == '--log-file':
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config['log-file'] = to_str(value)
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elif key == '-q':
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v_count -= 1
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config['verbose'] = v_count
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except getopt.GetoptError as e:
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print(e, file=sys.stderr)
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print_help(is_local)
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sys.exit(2)
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if not config:
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logging.error('config not specified')
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print_help(is_local)
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sys.exit(2)
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config['password'] = to_bytes(config.get('password', b''))
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config['method'] = to_str(config.get('method', 'aes-256-cfb'))
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config['obfs'] = to_str(config.get('obfs', 'plain'))
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config['port_password'] = config.get('port_password', None)
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config['timeout'] = int(config.get('timeout', 300))
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config['fast_open'] = config.get('fast_open', False)
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config['workers'] = config.get('workers', 1)
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config['pid-file'] = config.get('pid-file', '/var/run/shadowsocks.pid')
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config['log-file'] = config.get('log-file', '/var/log/shadowsocks.log')
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config['verbose'] = config.get('verbose', False)
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config['local_address'] = to_str(config.get('local_address', '127.0.0.1'))
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config['local_port'] = config.get('local_port', 1080)
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if is_local:
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if config.get('server', None) is None:
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logging.error('server addr not specified')
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print_local_help()
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sys.exit(2)
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else:
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config['server'] = to_str(config['server'])
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else:
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config['server'] = to_str(config.get('server', '0.0.0.0'))
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try:
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config['forbidden_ip'] = \
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IPNetwork(config.get('forbidden_ip', '127.0.0.0/8,::1/128'))
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except Exception as e:
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logging.error(e)
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sys.exit(2)
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config['server_port'] = config.get('server_port', 8388)
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logging.getLogger('').handlers = []
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logging.addLevelName(VERBOSE_LEVEL, 'VERBOSE')
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if config['verbose'] >= 2:
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level = VERBOSE_LEVEL
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elif config['verbose'] == 1:
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level = logging.DEBUG
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elif config['verbose'] == -1:
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level = logging.WARN
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elif config['verbose'] <= -2:
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level = logging.ERROR
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else:
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level = logging.INFO
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verbose = config['verbose']
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logging.basicConfig(level=level,
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format='%(asctime)s %(levelname)-8s %(message)s',
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datefmt='%Y-%m-%d %H:%M:%S')
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check_config(config, is_local)
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return config
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def print_help(is_local):
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if is_local:
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print_local_help()
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else:
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print_server_help()
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def print_local_help():
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print('''usage: sslocal [OPTION]...
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A fast tunnel proxy that helps you bypass firewalls.
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You can supply configurations via either config file or command line arguments.
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Proxy options:
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-c CONFIG path to config file
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-s SERVER_ADDR server address
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-p SERVER_PORT server port, default: 8388
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-b LOCAL_ADDR local binding address, default: 127.0.0.1
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-l LOCAL_PORT local port, default: 1080
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-k PASSWORD password
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-m METHOD encryption method, default: aes-256-cfb
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-o OBFS obfsplugin, default: http_simple
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-t TIMEOUT timeout in seconds, default: 300
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--fast-open use TCP_FASTOPEN, requires Linux 3.7+
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General options:
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-h, --help show this help message and exit
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-d start/stop/restart daemon mode
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--pid-file PID_FILE pid file for daemon mode
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--log-file LOG_FILE log file for daemon mode
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--user USER username to run as
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-v, -vv verbose mode
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-q, -qq quiet mode, only show warnings/errors
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--version show version information
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Online help: <https://github.com/shadowsocks/shadowsocks>
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''')
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def print_server_help():
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print('''usage: ssserver [OPTION]...
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A fast tunnel proxy that helps you bypass firewalls.
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You can supply configurations via either config file or command line arguments.
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Proxy options:
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-c CONFIG path to config file
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-s SERVER_ADDR server address, default: 0.0.0.0
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-p SERVER_PORT server port, default: 8388
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-k PASSWORD password
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-m METHOD encryption method, default: aes-256-cfb
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-o OBFS obfsplugin, default: http_simple
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-t TIMEOUT timeout in seconds, default: 300
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--fast-open use TCP_FASTOPEN, requires Linux 3.7+
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--workers WORKERS number of workers, available on Unix/Linux
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--forbidden-ip IPLIST comma seperated IP list forbidden to connect
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--manager-address ADDR optional server manager UDP address, see wiki
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General options:
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-h, --help show this help message and exit
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-d start/stop/restart daemon mode
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--pid-file PID_FILE pid file for daemon mode
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--log-file LOG_FILE log file for daemon mode
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--user USER username to run as
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-v, -vv verbose mode
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-q, -qq quiet mode, only show warnings/errors
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--version show version information
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Online help: <https://github.com/shadowsocks/shadowsocks>
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''')
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def _decode_list(data):
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rv = []
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for item in data:
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if hasattr(item, 'encode'):
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item = item.encode('utf-8')
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elif isinstance(item, list):
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item = _decode_list(item)
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elif isinstance(item, dict):
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item = _decode_dict(item)
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rv.append(item)
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return rv
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def _decode_dict(data):
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rv = {}
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for key, value in data.items():
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if hasattr(value, 'encode'):
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value = value.encode('utf-8')
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elif isinstance(value, list):
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value = _decode_list(value)
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elif isinstance(value, dict):
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value = _decode_dict(value)
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rv[key] = value
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return rv
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def parse_json_in_str(data):
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# parse json and convert everything from unicode to str
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return json.loads(data, object_hook=_decode_dict)
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