From ef57df5a4791f81871f2da42c1bb3086d0ed0815 Mon Sep 17 00:00:00 2001 From: "Kali Kaneko (leap communications)" Date: Wed, 1 Feb 2017 16:12:39 +0100 Subject: [refactor] sort out some imports --- src/leap/bitmask/vpn/_telnet.py | 60 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 src/leap/bitmask/vpn/_telnet.py (limited to 'src/leap/bitmask/vpn/_telnet.py') diff --git a/src/leap/bitmask/vpn/_telnet.py b/src/leap/bitmask/vpn/_telnet.py new file mode 100644 index 0000000..cfc82ef --- /dev/null +++ b/src/leap/bitmask/vpn/_telnet.py @@ -0,0 +1,60 @@ +# -*- coding: utf-8 -*- +# _telnet.py +# Copyright (C) 2013-2017 LEAP +# +# 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 socket +import telnetlib + + +class ConnectionRefusedError(Exception): + pass + + +class MissingSocketError(Exception): + pass + + +class UDSTelnet(telnetlib.Telnet): + """ + A telnet-alike class, that can listen on unix domain sockets + """ + + def open(self, host, port=23, timeout=socket._GLOBAL_DEFAULT_TIMEOUT): + """ + Connect to a host. If port is 'unix', it will open a + connection over unix docmain sockets. + + The optional second argument is the port number, which + defaults to the standard telnet port (23). + Don't try to reopen an already connected instance. + """ + self.eof = 0 + self.host = host + self.port = port + self.timeout = timeout + + if self.port == "unix": + # unix sockets spoken + if not os.path.exists(self.host): + raise MissingSocketError() + self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) + try: + self.sock.connect(self.host) + except socket.error: + raise ConnectionRefusedError() + else: + self.sock = socket.create_connection((host, port), timeout) -- cgit v1.2.3