Limnoria/plugins/Unix.py

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2003-03-12 07:26:59 +01:00
#!/usr/bin/env python
###
# Copyright (c) 2002, Jeremiah Fincher
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions, and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions, and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the author of this software nor the name of
# contributors to this software may be used to endorse or promote products
# derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###
"""
Provides commands available only on Unix.
Commands include:
errno
progstats
crypt
"""
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from baseplugin import *
import os
import re
import pwd
import crypt
import errno
import random
import struct
import privmsgs
import callbacks
def configure(onStart, afterConnect, advanced):
from questions import expect, anything, something, yn
print 'The "progstats" command can reveal potentially sensitive'
print 'information about your machine. Here\'s an example of its output:'
print
print progstats()
print
if yn('Would you like to disable this command?') == 'y':
onStart.append('disable progstats')
def progstats():
pw = pwd.getpwuid(os.getuid())
response = 'Process ID %i running as user "%s" and as group "%s" '\
'from directory "%s" with the command line "%s". '\
'Running on Python %s.' %\
(os.getpid(), pw[0], pw[3],
os.getcwd(), " ".join(sys.argv),
sys.version.translate(string.ascii, '\r\n'))
return response
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class Unix(callbacks.Privmsg):
def errno(self, irc, msg, args):
"<error number or code>"
s = privmsgs.getArgs(args)
try:
i = int(s)
name = errno.errorcode[i]
except ValueError:
name = s.upper()
try:
i = getattr(errno, name)
except AttributeError:
irc.reply(msg, 'I can\'t find the errno number for that code.')
return
except KeyError:
name = '(unknown)'
irc.reply(msg, '%s (#%s): %s' % (name, i, os.strerror(i)))
def progstats(self, irc, msg, args):
"takes no arguments"
irc.reply(msg, progstats())
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_cryptre = re.compile(r'[./0-9A-Za-z]')
def crypt(self, irc, msg, args):
"<password> [<salt>]"
def makeSalt():
s = '\x00'
while self._cryptre.sub('', s) != '':
s = struct.pack('<h', random.randrange(2**16))
return s
(password, salt) = privmsgs.getArgs(args, optional=1)
if salt == '':
salt = makeSalt()
irc.reply(msg, crypt.crypt(password, salt))
Class = Unix
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: