mirror of
https://github.com/jlu5/PyLink.git
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269 lines
8.9 KiB
Python
269 lines
8.9 KiB
Python
"""
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opercmds.py: Provides a subset of network management commands.
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"""
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import argparse
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from pylinkirc import utils
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from pylinkirc.log import log
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from pylinkirc.coremods import permissions
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# Having a hard limit here is sensible because otherwise it can flood the client or server off.
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CHECKBAN_MAX_RESULTS = 200
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def _checkban_positiveint(value):
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value = int(value)
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if value <= 0 or value > CHECKBAN_MAX_RESULTS:
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raise argparse.ArgumentTypeError("%s is not a positive integer between 1 and %s." % (value, CHECKBAN_MAX_RESULTS))
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return value
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checkban_parser = utils.IRCParser()
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checkban_parser.add_argument('banmask')
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checkban_parser.add_argument('target', nargs='?', default='')
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checkban_parser.add_argument('--channel', default='')
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checkban_parser.add_argument('--maxresults', type=_checkban_positiveint, default=50)
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@utils.add_cmd
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def checkban(irc, source, args):
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"""<banmask> [<target nick or hostmask>] [--channel #channel] [--maxresults <num>]
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CHECKBAN provides a ban checker command based on nick!user@host masks, user@host masks, and
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PyLink extended targets.
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If a target nick or hostmask is given, this command returns whether the given banmask will match it.
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Otherwise, it will display a list of connected users matching the banmask.
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If the --channel argument is given without a target mask, the returned results will only
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include users in the given channel.
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The --maxresults option configures how many responses will be shown."""
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permissions.check_permissions(irc, source, ['opercmds.checkban'])
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args = checkban_parser.parse_args(args)
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if not args.target:
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# No hostmask was given, return a list of matched users.
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results = 0
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# Process the --channel argument if it exists. This is just a lazy wrapper around the
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# $and and $channel exttargets, but it's mostly to convenience users.
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if args.channel:
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args.banmask = "$and:(%s+$channel:%s)" % (args.banmask, args.channel)
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irc.reply("Checking for hosts that match \x02%s\x02:" % args.banmask, private=True)
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for uid, userobj in irc.users.copy().items():
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if irc.match_host(args.banmask, uid):
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if results < args.maxresults:
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s = "\x02%s\x02 (%s@%s) [%s] {\x02%s\x02}" % (userobj.nick, userobj.ident,
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userobj.host, userobj.realname, irc.get_friendly_name(irc.get_server(uid)))
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# Always reply in private to prevent information leaks.
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irc.reply(s, private=True)
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results += 1
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else:
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if results:
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irc.reply("\x02%s\x02 out of \x02%s\x02 results shown." %
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(min([results, args.maxresults]), results), private=True)
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else:
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irc.reply("No results found.", private=True)
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else:
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# Target can be both a nick (of an online user) or a hostmask. irc.match_host() handles this
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# automatically.
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if irc.match_host(args.banmask, args.target):
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irc.reply('Yes, \x02%s\x02 matches \x02%s\x02.' % (args.target, args.banmask))
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else:
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irc.reply('No, \x02%s\x02 does not match \x02%s\x02.' % (args.target, args.banmask))
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@utils.add_cmd
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def jupe(irc, source, args):
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"""<server> [<reason>]
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Jupes the given server."""
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permissions.check_permissions(irc, source, ['opercmds.jupe'])
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try:
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servername = args[0]
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reason = ' '.join(args[1:]) or "No reason given"
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desc = "Juped by %s: [%s]" % (irc.get_hostmask(source), reason)
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except IndexError:
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irc.error('Not enough arguments. Needs 1-2: servername, reason (optional).')
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return
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if not utils.isServerName(servername):
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irc.error("Invalid server name %r." % servername)
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return
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sid = irc.spawn_server(servername, desc=desc)
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irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_SPAWNSERVER',
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{'name': servername, 'sid': sid, 'text': desc}])
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irc.reply("Done.")
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@utils.add_cmd
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def kick(irc, source, args):
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"""<channel> <user> [<reason>]
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Kicks <user> from the specified channel."""
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permissions.check_permissions(irc, source, ['opercmds.kick'])
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try:
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channel = irc.to_lower(args[0])
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target = args[1]
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reason = ' '.join(args[2:])
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except IndexError:
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irc.error("Not enough arguments. Needs 2-3: channel, target, reason (optional).")
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return
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targetu = irc.nick_to_uid(target)
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if channel not in irc.channels: # KICK only works on channels that exist.
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irc.error("Unknown channel %r." % channel)
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return
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if not targetu:
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# Whatever we were told to kick doesn't exist!
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irc.error("No such target nick %r." % target)
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return
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sender = irc.pseudoclient.uid
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irc.kick(sender, channel, targetu, reason)
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irc.reply("Done.")
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irc.call_hooks([sender, 'CHANCMDS_KICK', {'channel': channel, 'target': targetu,
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'text': reason, 'parse_as': 'KICK'}])
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@utils.add_cmd
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def kill(irc, source, args):
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"""<target> [<reason>]
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Kills the given target."""
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permissions.check_permissions(irc, source, ['opercmds.kill'])
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try:
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target = args[0]
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reason = ' '.join(args[1:])
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except IndexError:
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irc.error("Not enough arguments. Needs 1-2: target, reason (optional).")
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return
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# Convert the source and target nicks to UIDs.
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sender = irc.pseudoclient.uid
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targetu = irc.nick_to_uid(target)
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userdata = irc.users.get(targetu)
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if targetu not in irc.users:
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# Whatever we were told to kick doesn't exist!
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irc.error("No such nick %r." % target)
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return
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irc.kill(sender, targetu, reason)
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# Format the kill reason properly in hooks.
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reason = "Killed (%s (%s))" % (irc.get_friendly_name(sender), reason)
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irc.reply("Done.")
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irc.call_hooks([sender, 'CHANCMDS_KILL', {'target': targetu, 'text': reason,
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'userdata': userdata, 'parse_as': 'KILL'}])
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@utils.add_cmd
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def mode(irc, source, args):
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"""<channel> <modes>
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Sets the given modes on the target channel."""
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permissions.check_permissions(irc, source, ['opercmds.mode'])
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try:
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target, modes = args[0], args[1:]
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except IndexError:
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irc.error('Not enough arguments. Needs 2: target, modes to set.')
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return
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if target not in irc.channels:
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irc.error("Unknown channel %r." % target)
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return
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elif not modes:
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# No modes were given before parsing (i.e. mode list was blank).
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irc.error("No valid modes were given.")
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return
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parsedmodes = irc.parse_modes(target, modes)
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if not parsedmodes:
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# Modes were given but they failed to parse into anything meaningful.
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# For example, "mode #somechan +o" would be erroneous because +o
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# requires an argument!
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irc.error("No valid modes were given.")
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return
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irc.mode(irc.pseudoclient.uid, target, parsedmodes)
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# Call the appropriate hooks for plugins like relay.
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irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MODEOVERRIDE',
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{'target': target, 'modes': parsedmodes, 'parse_as': 'MODE'}])
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irc.reply("Done.")
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@utils.add_cmd
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def topic(irc, source, args):
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"""<channel> <topic>
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Changes the topic in a channel."""
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permissions.check_permissions(irc, source, ['opercmds.topic'])
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try:
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channel = args[0]
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topic = ' '.join(args[1:])
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except IndexError:
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irc.error("Not enough arguments. Needs 2: channel, topic.")
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return
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if channel not in irc.channels:
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irc.error("Unknown channel %r." % channel)
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return
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irc.topic(irc.pseudoclient.uid, channel, topic)
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irc.reply("Done.")
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irc.call_hooks([irc.pseudoclient.uid, 'CHANCMDS_TOPIC',
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{'channel': channel, 'text': topic, 'setter': source,
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'parse_as': 'TOPIC'}])
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@utils.add_cmd
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def chghost(irc, source, args):
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"""<user> <new host>
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Changes the visible host of the target user."""
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chgfield(irc, source, args, 'host')
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@utils.add_cmd
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def chgident(irc, source, args):
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"""<user> <new ident>
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Changes the ident of the target user."""
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chgfield(irc, source, args, 'ident')
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@utils.add_cmd
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def chgname(irc, source, args):
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"""<user> <new name>
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Changes the GECOS (realname) of the target user."""
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chgfield(irc, source, args, 'name', 'GECOS')
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def chgfield(irc, source, args, human_field, internal_field=None):
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permissions.check_permissions(irc, source, ['opercmds.chg' + human_field])
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try:
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target = args[0]
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new = args[1]
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except IndexError:
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irc.error("Not enough arguments. Needs 2: target, new %s." % human_field)
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return
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# Find the user
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targetu = irc.nick_to_uid(target)
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if targetu not in irc.users:
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irc.error("No such nick %r." % target)
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return
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internal_field = internal_field or human_field.upper()
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irc.update_client(targetu, internal_field, new)
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irc.reply("Done.")
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