Limnoria/plugins/Network.py

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#!/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.
###
"""
Various network-related commands.
"""
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__revision__ = "$Id$"
import plugins
import sets
import socket
import telnetlib
import utils
import ircutils
import privmsgs
import callbacks
class Network(callbacks.Privmsg):
threaded = True
def dns(self, irc, msg, args):
"""<host|ip>
Returns the ip of <host> or the reverse DNS hostname of <ip>.
"""
host = privmsgs.getArgs(args)
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if utils.isIP(host):
hostname = socket.getfqdn(host)
if hostname == host:
irc.reply('Host not found.')
else:
irc.reply(hostname)
else:
try:
ip = socket.gethostbyname(host)
if ip == '64.94.110.11': # Verisign sucks!
irc.reply('Host not found.')
else:
irc.reply(ip)
except socket.error:
irc.reply('Host not found.')
_tlds = sets.Set(['com', 'net', 'edu'])
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def whois(self, irc, msg, args):
"""<domain>
Returns WHOIS information on the registration of <domain>. <domain>
must be in tlds .com, .net, or .edu.
"""
domain = privmsgs.getArgs(args)
if '.' not in domain or domain.split('.')[-1] not in self._tlds:
irc.error('<domain> must be in .com, .net, or .edu.')
return
elif len(domain.split('.')) != 2:
irc.error('<domain> must be a domain, not a hostname.')
return
t = telnetlib.Telnet('rs.internic.net', 43)
t.write(domain)
t.write('\n')
s = t.read_all()
for line in s.splitlines():
line = line.strip()
if not line:
continue
if line.startswith('Registrar'):
registrar = line.split()[-1].capitalize()
elif line.startswith('Referral'):
url = line.split()[-1]
elif line.startswith('Updated'):
updated = line.split()[-1]
elif line.startswith('Creation'):
created = line.split()[-1]
elif line.startswith('Expiration'):
expires = line.split()[-1]
elif line.startswith('Status'):
status = line.split()[-1].lower()
try:
s = '%s <%s> is %s; registered %s, updated %s, expires %s.' % \
(domain, url, status, created, updated, expires)
irc.reply(s)
except NameError, e:
irc.error('I couldn\'t find such a domain.')
Class = Network
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: