2003-03-12 07:26:59 +01:00
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#!/usr/bin/env python
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###
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# Copyright (c) 2002, Jeremiah Fincher
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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2003-03-25 07:53:51 +01:00
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"""
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Provides commands available only on Unix.
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Commands include:
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errno
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progstats
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crypt
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"""
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2003-03-12 07:26:59 +01:00
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from baseplugin import *
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import os
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import re
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import pwd
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import crypt
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import errno
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import random
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import struct
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2003-08-17 20:10:48 +02:00
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import popen2
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2003-03-12 07:26:59 +01:00
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import privmsgs
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import callbacks
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2003-04-08 09:18:53 +02:00
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def configure(onStart, afterConnect, advanced):
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from questions import expect, anything, something, yn
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2003-08-17 20:10:48 +02:00
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cmdLine = getSpellBinary()
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if not cmdLine:
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print 'NOTE: I couldn\'t find aspell or ispell in your path,'
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print 'so that function of this module will not work. You may'
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print 'choose to install it later, and then the module will'
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print 'automatically work, as long as it is in the path of the'
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print 'user that supybot runs under.'
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print
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2003-04-08 09:18:53 +02:00
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print 'The "progstats" command can reveal potentially sensitive'
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print 'information about your machine. Here\'s an example of its output:'
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print
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print progstats()
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print
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if yn('Would you like to disable this command?') == 'y':
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onStart.append('disable progstats')
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2003-08-17 20:10:48 +02:00
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def getSpellBinary():
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cmdLine = None
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for dir in os.getenv('PATH').split(':'):
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for command in ('aspell', 'ispell'):
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filename = os.path.join(dir, command)
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if os.path.exists(filename):
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cmdLine = filename
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break
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if cmdLine:
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break
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return cmdLine
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2003-04-08 09:18:53 +02:00
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def progstats():
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pw = pwd.getpwuid(os.getuid())
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response = 'Process ID %i running as user "%s" and as group "%s" '\
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'from directory "%s" with the command line "%s". '\
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'Running on Python %s.' %\
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(os.getpid(), pw[0], pw[3],
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os.getcwd(), " ".join(sys.argv),
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sys.version.translate(string.ascii, '\r\n'))
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return response
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2003-03-12 07:26:59 +01:00
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class Unix(callbacks.Privmsg):
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2003-08-17 20:10:48 +02:00
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def __init__(self):
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callbacks.Privmsg.__init__(self)
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# Initialize a file descriptor for the spell module.
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cmdLine = getSpellBinary()
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(self._spellRead, self._spellWrite, self._spellErr) = \
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popen2.popen3(cmdLine + ' -a', 0)
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# Ignore the banner
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self._spellRead.readline()
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def __del__(self):
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# close up the filehandles
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for h in (self._spellRead, self._spellWrite, self._spellErr):
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h.close()
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2003-03-12 07:26:59 +01:00
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def errno(self, irc, msg, args):
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"<error number or code>"
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s = privmsgs.getArgs(args)
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try:
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i = int(s)
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name = errno.errorcode[i]
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except ValueError:
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name = s.upper()
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try:
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i = getattr(errno, name)
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except AttributeError:
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irc.reply(msg, 'I can\'t find the errno number for that code.')
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return
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except KeyError:
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name = '(unknown)'
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irc.reply(msg, '%s (#%s): %s' % (name, i, os.strerror(i)))
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def progstats(self, irc, msg, args):
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"takes no arguments"
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2003-04-08 09:18:53 +02:00
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irc.reply(msg, progstats())
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2003-03-12 07:26:59 +01:00
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_cryptre = re.compile(r'[./0-9A-Za-z]')
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def crypt(self, irc, msg, args):
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"<password> [<salt>]"
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def makeSalt():
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s = '\x00'
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while self._cryptre.sub('', s) != '':
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s = struct.pack('<h', random.randrange(2**16))
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return s
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(password, salt) = privmsgs.getArgs(args, optional=1)
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if salt == '':
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salt = makeSalt()
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irc.reply(msg, crypt.crypt(password, salt))
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2003-08-17 20:10:48 +02:00
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def spell(self, irc, msg, args):
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"<word>"
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# We are only checking the first word
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word = privmsgs.getArgs(args).split()[0]
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self._spellWrite.write(word + '\n')
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line = self._spellRead.readline()
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# aspell puts extra whitespace, ignore it
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while line == '\n':
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line = self._spellRead.readline()
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# parse the output
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if line[0] in '*+':
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resp = '\'%s\' may be spelled correctly.' % word
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elif line[0] == '#':
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resp = 'Could not find an alternate spelling for \'%s\'' % word
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elif line[0] == '&':
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matches = line.split(':')[1].strip()
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match_list = matches.split(',')
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ircutils.shrinkList(match_list, ', ', 400)
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resp = 'Possible spellings for \'%s\': %s' % \
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(word, ','.join(match_list))
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else:
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resp = 'Something unexpected was seen in the *spell output.'
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irc.reply(msg, resp)
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2003-03-12 07:26:59 +01:00
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Class = Unix
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2003-03-24 09:41:19 +01:00
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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2003-08-17 20:10:48 +02:00
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