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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
#
import logging
import os
import socket
import subprocess
import time
from datetime import timedelta, datetime
from typing import Dict
from . import CurlClient
from .env import Env
from .ports import alloc_ports_and_do
log = logging.getLogger(__name__)
class Dante:
def __init__(self, env: Env):
self.env = env
self._cmd = env.danted
self._port = 0
self.name = 'danted'
self._port_skey = 'danted'
self._port_specs = {
'danted': socket.SOCK_STREAM,
}
self._dante_dir = os.path.join(env.gen_dir, self.name)
self._run_dir = os.path.join(self._dante_dir, 'run')
self._tmp_dir = os.path.join(self._dante_dir, 'tmp')
self._conf_file = os.path.join(self._dante_dir, 'test.conf')
self._dante_log = os.path.join(self._dante_dir, 'dante.log')
self._error_log = os.path.join(self._dante_dir, 'error.log')
self._pid_file = os.path.join(self._dante_dir, 'dante.pid')
self._process = None
self.clear_logs()
@property
def port(self) -> int:
return self._port
def clear_logs(self):
self._rmf(self._error_log)
self._rmf(self._dante_log)
def exists(self):
return os.path.exists(self._cmd)
def is_running(self):
if self._process:
self._process.poll()
return self._process.returncode is None
return False
def start_if_needed(self):
if not self.is_running():
return self.start()
return True
def stop(self, wait_dead=True):
self._mkpath(self._tmp_dir)
if self._process:
self._process.terminate()
self._process.wait(timeout=2)
self._process = None
return not wait_dead or True
return True
def restart(self):
self.stop()
return self.start()
def initial_start(self):
def startup(ports: Dict[str, int]) -> bool:
self._port = ports[self._port_skey]
if self.start():
self.env.update_ports(ports)
return True
self.stop()
self._port = 0
return False
return alloc_ports_and_do(self._port_specs, startup,
self.env.gen_root, max_tries=3)
def start(self, wait_live=True):
assert self._port > 0
self._mkpath(self._tmp_dir)
if self._process:
self.stop()
self._write_config()
args = [
self._cmd,
'-f', f'{self._conf_file}',
'-p', f'{self._pid_file}',
'-d', '0',
]
procerr = open(self._error_log, 'a')
self._process = subprocess.Popen(args=args, stderr=procerr)
if self._process.returncode is not None:
return False
return self.wait_live(timeout=timedelta(seconds=Env.SERVER_TIMEOUT))
def wait_live(self, timeout: timedelta):
curl = CurlClient(env=self.env, run_dir=self._tmp_dir,
timeout=timeout.total_seconds(), socks_args=[
'--socks5', f'127.0.0.1:{self._port}'
])
try_until = datetime.now() + timeout
while datetime.now() < try_until:
r = curl.http_get(url=f'http://{self.env.domain1}:{self.env.http_port}/')
if r.exit_code == 0:
return True
time.sleep(.1)
log.error(f"Server still not responding after {timeout}")
return False
def _rmf(self, path):
if os.path.exists(path):
return os.remove(path)
def _mkpath(self, path):
if not os.path.exists(path):
return os.makedirs(path)
def _write_config(self):
conf = [
f'errorlog: {self._error_log}',
f'logoutput: {self._dante_log}',
f'internal: 127.0.0.1 port = {self._port}',
'external: 127.0.0.1',
'clientmethod: none',
'socksmethod: none',
'client pass {',
' from: 127.0.0.0/24 to: 0.0.0.0/0',
' log: error',
'}',
'socks pass {',
' from: 0.0.0.0/0 to: 0.0.0.0/0',
' command: bindreply connect udpreply',
' log: error',
'}',
'\n',
]
with open(self._conf_file, 'w') as fd:
fd.write("\n".join(conf))
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