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203 lines
7.4 KiB
Python
203 lines
7.4 KiB
Python
#!/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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"""
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Provides commands available only on Unix.
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"""
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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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import popen2
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import privmsgs
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import callbacks
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import utils
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def configure(onStart, afterConnect, advanced):
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from questions import expect, anything, something, yn
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onStart.append('load Unix')
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spellCmd = utils.findBinaryInPath('aspell')
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if not spellCmd:
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cmdLine = utils.findBinaryInPath('ispell')
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if not spellCmd:
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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. To re-enable this command then, '
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print 'remove the "disable spell" line from your configuration file.'
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onStart.append('disable spell')
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fortuneCmd = utils.findBinaryInPath('fortune')
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if not fortuneCmd:
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print 'NOTE: I couldn\'t find fortune in your path, so that function '
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print 'of this module will not work. You may choose to install it '
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print 'later. To re-enable this command then, remove the '
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print '"disable fortune" command from your configuration file.'
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onStart.append('disable fortune')
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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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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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class Unix(callbacks.Privmsg):
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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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spellCmd = utils.findBinaryInPath('aspell')
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if not spellCmd:
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spellCmd = utils.findBinaryInPath('ispell')
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(self._spellRead, self._spellWrite) = popen2.popen4([spellCmd, '-a'],0)
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self._spellRead.readline() # Ignore the banner.
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self.fortuneCmd = utils.findBinaryInPath('fortune')
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def die(self):
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# close the filehandles
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for h in (self._spellRead, self._spellWrite):
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h.close()
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def errno(self, irc, msg, args):
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"""<error number or code>
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Returns the number of an errno code, or the errno code of a number.
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"""
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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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Returns various unix-y information on the running supybot process.
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"""
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irc.reply(msg, progstats())
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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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Returns the resulting of doing a crypt() on <password> If <salt> is
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not given, uses a random salt. If running on a glibc2 system,
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prepending '$1$' to your salt will cause crypt to return an MD5sum
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based crypt rather than the standard DES based crypt.
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"""
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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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def spell(self, irc, msg, args):
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"""<word>
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Returns the result of passing <word> to aspell/ispell. The results
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shown are sorted from best to worst in terms of being a likely match
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for the spelling of <word>.
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"""
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# We are only checking the first word
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word = privmsgs.getArgs(args)
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if ' ' in word:
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irc.error(msg, 'Aspell/ispell can\'t handle spaces in words.')
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return
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self._spellWrite.write(word)
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self._spellWrite.write('\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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total = len(match_list)
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ircutils.shrinkList(match_list, ', ', 350)
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shown = len(match_list)
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resp = 'Possible spellings for "%s" (%d found, %d shown): %s.' % \
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(word, total, shown, ', '.join(match_list))
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else:
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resp = 'Something unexpected was seen in the [ai]spell output.'
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irc.reply(msg, resp)
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def fortune(self, irc, msg, args):
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"""takes no arguments
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Returns a fortune from the *nix fortune program.
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"""
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(r, w) = popen2.popen4('%s -s' % self.fortuneCmd)
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s = r.read()
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w.close()
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r.close()
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irc.reply(msg, ' '.join(s.split()))
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Class = Unix
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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