fail2ban/client/beautifier.py

155 lines
5.2 KiB
Python
Raw Normal View History

# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# Author: Cyril Jaquier
#
# $Revision$
__author__ = "Cyril Jaquier"
__version__ = "$Revision$"
__date__ = "$Date$"
__copyright__ = "Copyright (c) 2004 Cyril Jaquier"
__license__ = "GPL"
from server.jails import UnknownJailException
from server.jails import DuplicateJailException
import logging
# Gets the instance of the logger.
logSys = logging.getLogger("fail2ban.client.config")
##
# Beautify the output of the client.
#
# Fail2ban server only return unformatted return codes which need to be
# converted into user readable messages.
class Beautifier:
def __init__(self, cmd = None):
self.__inputCmd = cmd
def setInputCmd(self, cmd):
self.__inputCmd = cmd
def getInputCmd(self):
return self.__inputCmd
def beautify(self, response):
logSys.debug("Beautify " + `response` + " with " + `self.__inputCmd`)
inC = self.__inputCmd
msg = response
try:
if inC[0] == "ping":
msg = "Server replied: " + response
elif inC[0] == "start":
msg = "Jail started"
elif inC[0] == "stop":
if len(inC) == 1:
if response == None:
msg = "Shutdown successful"
else:
if response == None:
msg = "Jail stopped"
elif inC[0] == "add":
msg = "Added jail " + response
elif inC[0:1] == ['status']:
if len(inC) > 1:
# Create IP list
ipList = ""
for ip in response[1][1][2][1]:
ipList += ip + " "
# Creates file list.
fileList = ""
for f in response[0][1][2][1]:
fileList += f + " "
# Display information
msg = "Status for the jail: " + inC[1] + "\n"
msg = msg + "|- " + response[0][0] + "\n"
msg = msg + "| |- " + response[0][1][2][0] + ":\t" + fileList + "\n"
msg = msg + "| |- " + response[0][1][0][0] + ":\t" + `response[0][1][0][1]` + "\n"
msg = msg + "| `- " + response[0][1][1][0] + ":\t" + `response[0][1][1][1]` + "\n"
msg = msg + "`- " + response[1][0] + "\n"
msg = msg + " |- " + response[1][1][0][0] + ":\t" + `response[1][1][0][1]` + "\n"
msg = msg + " | `- " + response[1][1][2][0] + ":\t" + ipList + "\n"
msg = msg + " `- " + response[1][1][1][0] + ":\t" + `response[1][1][1][1]`
else:
msg = "Status\n"
msg = msg + "|- " + response[0][0] + ":\t" + `response[0][1]` + "\n"
msg = msg + "`- " + response[1][0] + ":\t\t" + response[1][1]
elif inC[1] == "logtarget":
msg = "Current logging target is:\n"
msg = msg + "`- " + response
elif inC[1:2] == ['loglevel']:
msg = "Current logging level is "
if response == 1:
msg = msg + "ERROR"
elif response == 2:
msg = msg + "WARN"
elif response == 3:
msg = msg + "INFO"
elif response == 4:
msg = msg + "DEBUG"
else:
msg = msg + `response`
elif inC[2] in ("logpath", "addlogpath", "dellogpath"):
if len(response) == 0:
msg = "No file is currently monitored"
else:
msg = "Current monitored log file(s):\n"
for path in response[:-1]:
msg = msg + "|- " + path + "\n"
msg = msg + "`- " + response[len(response)-1]
elif inC[2] in ("ignoreip", "addignoreip", "delignoreip"):
if len(response) == 0:
msg = "No IP address/network is ignored"
else:
msg = "These IP addresses/networks are ignored:\n"
for ip in response[:-1]:
msg = msg + "|- " + ip + "\n"
msg = msg + "`- " + response[len(response)-1]
elif inC[2] in ("failregex", "addfailregex", "delfailregex",
"ignoreregex", "addignoreregex", "delignoreregex"):
if len(response) == 0:
msg = "No regular expression is defined"
else:
msg = "The following regular expression are defined:\n"
c = 0
for ip in response[:-1]:
msg = msg + "|- [" + str(c) + "]: " + ip + "\n"
c += 1
msg = msg + "`- [" + str(c) + "]: " + response[len(response)-1]
except Exception:
logSys.warn("Beautifier error. Please report the error")
logSys.error("Beautify " + `response` + " with " + `self.__inputCmd` +
" failed")
msg = msg + `response`
return msg
def beautifyError(self, response):
logSys.debug("Beautify (error) " + `response` + " with " + `self.__inputCmd`)
msg = response
if isinstance(response, UnknownJailException):
msg = "Sorry but the jail '" + response[0] + "' does not exist"
elif isinstance(response, IndexError):
msg = "Sorry but the command is invalid"
elif isinstance(response, DuplicateJailException):
msg = "The jail '" + response[0] + "' already exists"
return msg