#!/usr/bin/env python # -*- coding: utf-8 -*- # # Copyright (C) 2015 GNS3 Technologies Inc. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . import os import datetime import sys import locale import argparse from gns3server.server import Server from gns3server.web.logger import init_logger from gns3server.version import __version__ from gns3server.config import Config import logging log = logging.getLogger(__name__) def locale_check(): """ Checks if this application runs with a correct locale (i.e. supports UTF-8 encoding) and attempt to fix if this is not the case. This is to prevent UnicodeEncodeError with unicode paths when using standard library I/O operation methods (e.g. os.stat() or os.path.*) which rely on the system or user locale. More information can be found there: http://seasonofcode.com/posts/unicode-i-o-and-locales-in-python.html or there: http://robjwells.com/post/61198832297/get-your-us-ascii-out-of-my-face """ # no need to check on Windows or when this application is frozen if sys.platform.startswith("win") or hasattr(sys, "frozen"): return language = encoding = None try: language, encoding = locale.getlocale() except ValueError as e: log.error("Could not determine the current locale: {}".format(e)) if not language and not encoding: try: log.warn("Could not find a default locale, switching to C.UTF-8...") locale.setlocale(locale.LC_ALL, ("C", "UTF-8")) except locale.Error as e: log.error("Could not switch to the C.UTF-8 locale: {}".format(e)) raise SystemExit elif encoding != "UTF-8": log.warn("Your locale {}.{} encoding is not UTF-8, switching to the UTF-8 version...".format(language, encoding)) try: locale.setlocale(locale.LC_ALL, (language, "UTF-8")) except locale.Error as e: log.error("Could not set an UTF-8 encoding for the {} locale: {}".format(language, e)) raise SystemExit else: log.info("Current locale is {}.{}".format(language, encoding)) def parse_arguments(): parser = argparse.ArgumentParser(description="GNS3 server version {}".format(__version__)) parser.add_argument("-v", "--version", help="show the version", action="version", version=__version__) parser.add_argument("--host", help="run on the given host/IP address", default="127.0.0.1") parser.add_argument("--port", help="run on the given port", type=int, default=8000) parser.add_argument("--ssl", action="store_true", help="run in SSL mode") parser.add_argument("--certfile", help="SSL cert file", default="") parser.add_argument("--certkey", help="SSL key file", default="") parser.add_argument("-L", "--local", action="store_true", help="local mode (allows some insecure operations)") parser.add_argument("-A", "--allow", action="store_true", help="allow remote connections to local console ports") parser.add_argument("-q", "--quiet", action="store_true", help="do not show logs on stdout") parser.add_argument("-d", "--debug", action="store_true", help="show debug logs and enable code live reload") args = parser.parse_args() config = Config.instance() server_config = config.get_section_config("Server") server_config["local"] = server_config.get("local", "true" if args.local else "false") server_config["allow_remote_console"] = server_config.get("allow_remote_console", "true" if args.allow else "false") server_config["host"] = server_config.get("host", args.host) server_config["port"] = server_config.get("port", str(args.port)) server_config["ssl"] = server_config.get("ssl", "true" if args.ssl else "false") server_config["certfile"] = server_config.get("certfile", args.certfile) server_config["certkey"] = server_config.get("certkey", args.certkey) server_config["debug"] = server_config.get("debug", "true" if args.debug else "false") config.set_section_config("Server", server_config) return args def main(): """ Entry point for GNS3 server """ # We init the logger with info level during config file parsing user_log = init_logger(logging.INFO) user_log.info("GNS3 server version {}".format(__version__)) current_year = datetime.date.today().year user_log.info("Copyright (c) 2007-{} GNS3 Technologies Inc.".format(current_year)) level = logging.INFO args = parse_arguments() if args.debug: level = logging.DEBUG user_log = init_logger(level, quiet=args.quiet) server_config = Config.instance().get_section_config("Server") if server_config.getboolean("local"): log.warning("Local mode is enabled. Beware, clients will have full control on your filesystem") # we only support Python 3 version >= 3.3 if sys.version_info < (3, 3): raise RuntimeError("Python 3.3 or higher is required") user_log.info("Running with Python {major}.{minor}.{micro} and has PID {pid}".format( major=sys.version_info[0], minor=sys.version_info[1], micro=sys.version_info[2], pid=os.getpid())) # check for the correct locale (UNIX/Linux only) locale_check() try: os.getcwd() except FileNotFoundError: log.critical("The current working directory doesn't exist") return host = server_config["host"] port = int(server_config["port"]) server = Server(host, port) server.run() if __name__ == '__main__': main()