Limnoria/plugins/RootWarner.py

###
# Copyright (c) 2002-2004, Jeremiah Fincher
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"""
Warns (or even kicks) people when they join a channel if their ident is root.
"""

__revision__ = "$Id$"

import supybot.plugins as plugins

import supybot.conf as conf
import supybot.ircmsgs as ircmsgs
import supybot.ircutils as ircutils
import supybot.registry as registry
import supybot.callbacks as callbacks


conf.registerPlugin('RootWarner')
conf.registerChannelValue(conf.supybot.plugins.RootWarner, 'warn',
    registry.Boolean(True, """Determines whether the bot will warn people who
    join the channel with an ident of 'root' or '~root'."""))
conf.registerChannelValue(conf.supybot.plugins.RootWarner, 'warning',
    registry.NormalizedString("""Don't IRC as root -- it's very possible that
    there's a security flaw latent in your IRC client (remember the BitchX
    format string vulnerabilities of days past?) and if you're IRCing as root,
    your entire box could be compromised.""", """Determines the message that is
    to be sent to users joining the channel with an ident of 'root' or '~root'.
    """))
conf.registerChannelValue(conf.supybot.plugins.RootWarner, 'kick',
    registry.Boolean(False, """Determines whether the bot will kick people who
    join the channel with an ident of 'root' or '~root'."""))

class RootWarner(callbacks.Privmsg):
    """Warns or kicks people who appear to be using IRC as root.  Check out the
    configuration variables supybot.plugins.RootWarner.warn,
    supybot.plugins.RootWarner.kick, and supybot.plugins.RootWarner.warning to
    configure this plugin's behavior.
    """
    def doJoin(self, irc, msg):
        user = ircutils.userFromHostmask(msg.prefix)
        if user == 'root' or user == '~root':
            channel = msg.args[0]
            s = self.registryValue('warning', channel)
            if self.registryValue('warn', channel):
                irc.queueMsg(ircmsgs.notice(msg.nick, s))
            if self.registryValue('kick', channel):
                irc.queueMsg(ircmsgs.kick(channel, msg.nick, s))

Class = RootWarner
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