mirror of
https://github.com/fail2ban/fail2ban.git
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78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
# emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: t -*-
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# vi: set ft=python sts=4 ts=4 sw=4 noet :
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# This file is part of Fail2Ban.
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#
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# Fail2Ban is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# Fail2Ban is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Fail2Ban; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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# Author: Cyril Jaquier
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#
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__author__ = "Cyril Jaquier"
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__copyright__ = "Copyright (c) 2004 Cyril Jaquier"
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__license__ = "GPL"
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#from cPickle import dumps, loads, HIGHEST_PROTOCOL
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from pickle import dumps, loads, HIGHEST_PROTOCOL
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from ..protocol import CSPROTO
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import socket
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import sys
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class CSocket:
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def __init__(self, sock="/var/run/fail2ban/fail2ban.sock", timeout=-1):
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# Create an INET, STREAMing socket
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#self.csock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self.__csock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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self.__deftout = self.__csock.gettimeout()
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if timeout != -1:
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self.settimeout(timeout)
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#self.csock.connect(("localhost", 2222))
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self.__csock.connect(sock)
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def __del__(self):
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self.close(False)
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def send(self, msg, nonblocking=False, timeout=None):
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# Convert every list member to string
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obj = dumps(map(
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lambda m: str(m) if not isinstance(m, (list, dict, set)) else m, msg),
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HIGHEST_PROTOCOL)
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self.__csock.send(obj + CSPROTO.END)
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return self.receive(self.__csock, nonblocking, timeout)
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def settimeout(self, timeout):
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self.__csock.settimeout(timeout if timeout != -1 else self.__deftout)
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def close(self, sendEnd=True):
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if not self.__csock:
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return
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if sendEnd:
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self.__csock.sendall(CSPROTO.CLOSE + CSPROTO.END)
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self.__csock.shutdown(socket.SHUT_RDWR)
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self.__csock.close()
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self.__csock = None
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@staticmethod
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def receive(sock, nonblocking=False, timeout=None):
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msg = CSPROTO.EMPTY
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if nonblocking: sock.setblocking(0)
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if timeout: sock.settimeout(timeout)
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while msg.rfind(CSPROTO.END) == -1:
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chunk = sock.recv(512)
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if chunk in ('', b''): # python 3.x may return b'' instead of ''
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raise RuntimeError("socket connection broken")
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msg = msg + chunk
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return loads(msg)
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