/usr/bin/fail2ban-server is in fail2ban 0.8.6-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | #!/usr/bin/python
# emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: t -*-
# vi: set ft=python sts=4 ts=4 sw=4 noet :
# This file is part of Fail2Ban.
#
# Fail2Ban 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 2 of the License, or
# (at your option) any later version.
#
# Fail2Ban 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 Fail2Ban; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# Author: Cyril Jaquier
#
# $Revision$
__author__ = "Cyril Jaquier"
__version__ = "$Revision$"
__date__ = "$Date$"
__copyright__ = "Copyright (c) 2004 Cyril Jaquier"
__license__ = "GPL"
import getopt, sys, logging
# Inserts our own modules path first in the list
# fix for bug #343821
sys.path.insert(1, "/usr/share/fail2ban")
from common.version import version
from server.server import Server
# Gets the instance of the logger.
logSys = logging.getLogger("fail2ban")
##
# \mainpage Fail2Ban
#
# \section Introduction
#
# Fail2ban is designed to protect your server against brute force attacks.
# Its first goal was to protect a SSH server.
class Fail2banServer:
def __init__(self):
self.__server = None
self.__argv = None
self.__conf = dict()
self.__conf["background"] = True
self.__conf["force"] = False
self.__conf["socket"] = "/var/run/fail2ban/fail2ban.sock"
def dispVersion(self):
print "Fail2Ban v" + version
print
print "Copyright (c) 2004-2008 Cyril Jaquier"
print "Copyright of modifications held by their respective authors."
print "Licensed under the GNU General Public License v2 (GPL)."
print
print "Written by Cyril Jaquier <cyril.jaquier@fail2ban.org>."
print "Many contributions by Yaroslav O. Halchenko <debian@onerussian.com>."
def dispUsage(self):
""" Prints Fail2Ban command line options and exits
"""
print "Usage: "+self.__argv[0]+" [OPTIONS]"
print
print "Fail2Ban v" + version + " reads log file that contains password failure report"
print "and bans the corresponding IP addresses using firewall rules."
print
print "Only use this command for debugging purpose. Start the server with"
print "fail2ban-client instead. The default behaviour is to start the server"
print "in background."
print
print "Options:"
print " -b start in background"
print " -f start in foreground"
print " -s <FILE> socket path"
print " -x force execution of the server (remove socket file)"
print " -h, --help display this help message"
print " -V, --version print the version"
print
print "Report bugs to <cyril.jaquier@fail2ban.org>"
def __getCmdLineOptions(self, optList):
""" Gets the command line options
"""
for opt in optList:
if opt[0] == "-b":
self.__conf["background"] = True
if opt[0] == "-f":
self.__conf["background"] = False
if opt[0] == "-s":
self.__conf["socket"] = opt[1]
if opt[0] == "-x":
self.__conf["force"] = True
if opt[0] in ["-h", "--help"]:
self.dispUsage()
sys.exit(0)
if opt[0] in ["-V", "--version"]:
self.dispVersion()
sys.exit(0)
def start(self, argv):
# Command line options
self.__argv = argv
# Reads the command line options.
try:
cmdOpts = 'bfs:xhV'
cmdLongOpts = ['help', 'version']
optList, args = getopt.getopt(self.__argv[1:], cmdOpts, cmdLongOpts)
except getopt.GetoptError:
self.dispUsage()
sys.exit(-1)
self.__getCmdLineOptions(optList)
try:
self.__server = Server(self.__conf["background"])
self.__server.start(self.__conf["socket"], self.__conf["force"])
return True
except Exception, e:
logSys.exception(e)
self.__server.quit()
return False
if __name__ == "__main__":
server = Fail2banServer()
if server.start(sys.argv):
sys.exit(0)
else:
sys.exit(-1)
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