mirror of https://github.com/fail2ban/fail2ban
141 lines
4.3 KiB
Python
Executable File
141 lines
4.3 KiB
Python
Executable File
#!/usr/bin/python
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# 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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__copyright__ = "Copyright (c) 2004 Cyril Jaquier"
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__license__ = "GPL"
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import getopt
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import os
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import sys
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from fail2ban.version import version
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from fail2ban.server.server import Server
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from fail2ban.helpers import getLogger
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# Gets the instance of the logger.
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logSys = getLogger("fail2ban")
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##
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# \mainpage Fail2Ban
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#
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# \section Introduction
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#
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# Fail2ban is designed to protect your server against brute force attacks.
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# Its first goal was to protect a SSH server.
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class Fail2banServer:
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def __init__(self):
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self.__server = None
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self.__argv = None
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self.__conf = dict()
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self.__conf["background"] = True
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self.__conf["force"] = False
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self.__conf["socket"] = "/var/run/fail2ban/fail2ban.sock"
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self.__conf["pidfile"] = "/var/run/fail2ban/fail2ban.pid"
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def dispVersion(self):
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print "Fail2Ban v" + version
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print
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print "Copyright (c) 2004-2008 Cyril Jaquier, 2008- Fail2Ban Contributors"
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print "Copyright of modifications held by their respective authors."
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print "Licensed under the GNU General Public License v2 (GPL)."
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print
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print "Written by Cyril Jaquier <cyril.jaquier@fail2ban.org>."
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print "Many contributions by Yaroslav O. Halchenko <debian@onerussian.com>."
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def dispUsage(self):
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""" Prints Fail2Ban command line options and exits
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"""
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print "Usage: "+self.__argv[0]+" [OPTIONS]"
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print
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print "Fail2Ban v" + version + " reads log file that contains password failure report"
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print "and bans the corresponding IP addresses using firewall rules."
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print
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print "Only use this command for debugging purpose. Start the server with"
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print "fail2ban-client instead. The default behaviour is to start the server"
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print "in background."
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print
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print "Options:"
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print " -b start in background"
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print " -f start in foreground"
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print " -s <FILE> socket path"
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print " -p <FILE> pidfile path"
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print " -x force execution of the server (remove socket file)"
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print " -h, --help display this help message"
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print " -V, --version print the version"
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print
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print "Report bugs to https://github.com/fail2ban/fail2ban/issues"
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def __getCmdLineOptions(self, optList):
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""" Gets the command line options
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"""
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for opt in optList:
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if opt[0] == "-b":
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self.__conf["background"] = True
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if opt[0] == "-f":
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self.__conf["background"] = False
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if opt[0] == "-s":
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self.__conf["socket"] = opt[1]
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if opt[0] == "-p":
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self.__conf["pidfile"] = opt[1]
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if opt[0] == "-x":
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self.__conf["force"] = True
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if opt[0] in ["-h", "--help"]:
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self.dispUsage()
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sys.exit(0)
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if opt[0] in ["-V", "--version"]:
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self.dispVersion()
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sys.exit(0)
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def start(self, argv):
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# Command line options
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self.__argv = argv
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# Reads the command line options.
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try:
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cmdOpts = 'bfs:p:xhV'
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cmdLongOpts = ['help', 'version']
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optList, args = getopt.getopt(self.__argv[1:], cmdOpts, cmdLongOpts)
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except getopt.GetoptError:
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self.dispUsage()
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sys.exit(-1)
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self.__getCmdLineOptions(optList)
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try:
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self.__server = Server(self.__conf["background"])
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self.__server.start(self.__conf["socket"],
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self.__conf["pidfile"],
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self.__conf["force"])
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return True
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except Exception, e:
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logSys.exception(e)
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self.__server.quit()
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return False
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if __name__ == "__main__":
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server = Fail2banServer()
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if server.start(sys.argv):
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sys.exit(0)
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else:
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sys.exit(-1)
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