mirror of
https://github.com/jlu5/PyLink.git
synced 2024-12-24 19:52:53 +01:00
524 lines
22 KiB
Python
524 lines
22 KiB
Python
"""
|
|
opercmds.py: Provides a subset of network management commands.
|
|
"""
|
|
import argparse
|
|
|
|
from pylinkirc import utils, world
|
|
from pylinkirc.coremods import permissions
|
|
from pylinkirc.log import log
|
|
|
|
# Having a hard limit here is sensible because otherwise it can flood the client or server off.
|
|
CHECKBAN_MAX_RESULTS = 200
|
|
|
|
def _checkban_positiveint(value):
|
|
value = int(value)
|
|
if value <= 0 or value > CHECKBAN_MAX_RESULTS:
|
|
raise argparse.ArgumentTypeError("%s is not a positive integer between 1 and %s." % (value, CHECKBAN_MAX_RESULTS))
|
|
return value
|
|
|
|
checkban_parser = utils.IRCParser()
|
|
checkban_parser.add_argument('banmask')
|
|
checkban_parser.add_argument('target', nargs='?', default='')
|
|
checkban_parser.add_argument('--channel', default='')
|
|
checkban_parser.add_argument('--maxresults', type=_checkban_positiveint, default=50)
|
|
|
|
def checkban(irc, source, args, use_regex=False):
|
|
"""<banmask> [<target nick or hostmask>] [--channel #channel] [--maxresults <num>]
|
|
|
|
CHECKBAN provides a ban checker command based on nick!user@host masks, user@host masks, and
|
|
PyLink extended targets.
|
|
|
|
If a target nick or hostmask is given, this command returns whether the given banmask will match it.
|
|
Otherwise, it will display a list of connected users matching the banmask.
|
|
|
|
If the --channel argument is given without a target mask, the returned results will only
|
|
include users in the given channel.
|
|
|
|
The --maxresults option configures how many responses will be shown."""
|
|
permissions.check_permissions(irc, source, ['opercmds.checkban'])
|
|
|
|
args = checkban_parser.parse_args(args)
|
|
if not args.target:
|
|
# No hostmask was given, return a list of matched users.
|
|
results = 0
|
|
|
|
userlist_func = irc.match_all_re if use_regex else irc.match_all
|
|
irc.reply("Checking for hosts that match \x02%s\x02:" % args.banmask, private=True)
|
|
for uid in userlist_func(args.banmask, channel=args.channel):
|
|
if results < args.maxresults:
|
|
userobj = irc.users[uid]
|
|
s = "\x02%s\x02 (%s@%s) [%s] {\x02%s\x02}" % (userobj.nick, userobj.ident,
|
|
userobj.host, userobj.realname, irc.get_friendly_name(irc.get_server(uid)))
|
|
|
|
# Always reply in private to prevent information leaks.
|
|
irc.reply(s, private=True)
|
|
results += 1
|
|
else:
|
|
if results:
|
|
irc.reply("\x02%s\x02 out of \x02%s\x02 results shown." %
|
|
(min([results, args.maxresults]), results), private=True)
|
|
else:
|
|
irc.reply("No results found.", private=True)
|
|
else:
|
|
# Target can be both a nick (of an online user) or a hostmask. irc.match_host() handles this
|
|
# automatically.
|
|
if irc.match_host(args.banmask, args.target):
|
|
irc.reply('Yes, \x02%s\x02 matches \x02%s\x02.' % (args.target, args.banmask))
|
|
else:
|
|
irc.reply('No, \x02%s\x02 does not match \x02%s\x02.' % (args.target, args.banmask))
|
|
utils.add_cmd(checkban, aliases=('cban', 'trace'))
|
|
|
|
def checkbanre(irc, source, args):
|
|
"""<regular expression> [<target nick or hostmask>] [--channel #channel] [--maxresults <num>]
|
|
|
|
CHECKBANRE provides a ban checker command based on regular expressions matched against
|
|
users' "nick!user@host [gecos]" mask.
|
|
|
|
If a target nick or hostmask is given, this command returns whether the given banmask will match it.
|
|
Otherwise, it will display a list of connected users matching the banmask.
|
|
|
|
If the --channel argument is given without a target mask, the returned results will only
|
|
include users in the given channel.
|
|
|
|
The --maxresults option configures how many responses will be shown."""
|
|
permissions.check_permissions(irc, source, ['opercmds.checkban.re'])
|
|
return checkban(irc, source, args, use_regex=True)
|
|
|
|
utils.add_cmd(checkbanre, aliases=('crban',))
|
|
|
|
massban_parser = utils.IRCParser()
|
|
massban_parser.add_argument('channel')
|
|
massban_parser.add_argument('banmask')
|
|
# Regarding default ban reason: it's a good idea not to leave in the caller to prevent retaliation...
|
|
massban_parser.add_argument('reason', nargs='*', default=["User banned"])
|
|
massban_parser.add_argument('--quiet', '-q', action='store_true')
|
|
massban_parser.add_argument('--force', '-f', action='store_true')
|
|
massban_parser.add_argument('--include-opers', '-o', action='store_true')
|
|
|
|
def massban(irc, source, args, use_regex=False):
|
|
"""<channel> <banmask / exttarget> [<kick reason>] [--quiet/-q] [--force/-f] [--include-opers/-o]
|
|
|
|
Applies (i.e. kicks affected users) the given PyLink banmask on the specified channel.
|
|
|
|
The --quiet option can also be given to mass-mute the given user on networks where this is supported
|
|
(currently ts6, unreal, and inspircd). No kicks will be sent in this case.
|
|
|
|
By default, this command will ignore opers. This behaviour can be suppressed using the --include-opers option.
|
|
|
|
Relay CLAIM checking is used on Relay channels if it is enabled; use the --force option
|
|
to override this if needed."""
|
|
permissions.check_permissions(irc, source, ['opercmds.massban'])
|
|
|
|
args = massban_parser.parse_args(args)
|
|
reason = ' '.join(args.reason)
|
|
|
|
if args.force:
|
|
permissions.check_permissions(irc, source, ['opercmds.massban.force'])
|
|
|
|
if args.channel not in irc.channels:
|
|
irc.error("Unknown channel %r." % args.channel)
|
|
return
|
|
elif 'relay' in world.plugins and (not world.plugins['relay'].check_claim(irc, args.channel, source)) and (not args.force):
|
|
irc.error("You do not have access to set bans in %s. Ask someone to op you or use the --force option." % args.channel)
|
|
return
|
|
|
|
results = 0
|
|
|
|
userlist_func = irc.match_all_re if use_regex else irc.match_all
|
|
for uid in userlist_func(args.banmask, channel=args.channel):
|
|
|
|
if irc.is_oper(uid) and not args.include_opers:
|
|
irc.reply('Skipping banning \x02%s\x02 because they are opered.' % irc.users[uid].nick)
|
|
continue
|
|
elif irc.get_service_bot(uid):
|
|
irc.reply('Skipping banning \x02%s\x02 because it is a service client.' % irc.users[uid].nick)
|
|
continue
|
|
|
|
# Remove the target's access before banning them.
|
|
bans = [('-%s' % irc.cmodes[prefix], uid) for prefix in irc.channels[args.channel].get_prefix_modes(uid) if prefix in irc.cmodes]
|
|
|
|
# Then, add the actual ban.
|
|
bans += [irc.make_channel_ban(uid, ban_type='quiet' if args.quiet else 'ban')]
|
|
irc.mode(irc.pseudoclient.uid, args.channel, bans)
|
|
|
|
try:
|
|
irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MASSBAN',
|
|
{'target': args.channel, 'modes': bans, 'parse_as': 'MODE'}])
|
|
except:
|
|
log.exception('(%s) Failed to send process massban hook; some bans may have not '
|
|
'been sent to plugins / relay networks!', irc.name)
|
|
|
|
if not args.quiet:
|
|
irc.kick(irc.pseudoclient.uid, args.channel, uid, reason)
|
|
|
|
# XXX: this better not be blocking...
|
|
try:
|
|
irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MASSKICK',
|
|
{'channel': args.channel, 'target': uid, 'text': reason, 'parse_as': 'KICK'}])
|
|
|
|
except:
|
|
log.exception('(%s) Failed to send process massban hook; some kicks may have not '
|
|
'been sent to plugins / relay networks!', irc.name)
|
|
|
|
results += 1
|
|
else:
|
|
irc.reply('Banned %s users on %r.' % (results, args.channel))
|
|
log.info('(%s) Ran massban%s for %s on %s (%s user(s) removed)', irc.name, 're' if use_regex else '',
|
|
irc.get_hostmask(source), args.channel, results)
|
|
utils.add_cmd(massban, aliases=('mban',))
|
|
|
|
def massbanre(irc, source, args):
|
|
"""<channel> <regular expression> [<kick reason>] [--quiet/-q] [--include-opers/-o]
|
|
|
|
Bans users on the specified channel whose "nick!user@host [gecos]" mask matches the given Python-style regular expression.
|
|
(https://docs.python.org/3/library/re.html#regular-expression-syntax describes supported syntax)
|
|
|
|
The --quiet option can also be given to mass-mute the given user on networks where this is supported
|
|
(currently ts6, unreal, and inspircd). No kicks will be sent in this case.
|
|
|
|
By default, this command will ignore opers. This behaviour can be suppressed using the --include-opers option.
|
|
|
|
\x02Be careful when using this command, as it is easy to make mistakes with regex. Use 'checkbanre'
|
|
to check your bans first!\x02
|
|
"""
|
|
permissions.check_permissions(irc, source, ['opercmds.massban.re'])
|
|
return massban(irc, source, args, use_regex=True)
|
|
|
|
utils.add_cmd(massbanre, aliases=('rban',))
|
|
|
|
masskill_parser = utils.IRCParser()
|
|
masskill_parser.add_argument('banmask')
|
|
# Regarding default ban reason: it's a good idea not to leave in the caller to prevent retaliation...
|
|
masskill_parser.add_argument('reason', nargs='*', default=["User banned"], type=str)
|
|
masskill_parser.add_argument('--akill', '-ak', action='store_true')
|
|
masskill_parser.add_argument('--force-kb', '-f', action='store_true')
|
|
masskill_parser.add_argument('--include-opers', '-o', action='store_true')
|
|
|
|
def masskill(irc, source, args, use_regex=False):
|
|
"""<banmask / exttarget> [<kill/ban reason>] [--akill/ak] [--force-kb/-f] [--include-opers/-o]
|
|
|
|
Kills all users matching the given PyLink banmask.
|
|
|
|
The --akill option can also be given to convert kills to akills, which expire after 7 days.
|
|
|
|
For relay users, attempts to kill are forwarded as a kickban to every channel where the calling user
|
|
meets claim requirements to set a ban (i.e. this is true if you are opped, if your network is in claim list, etc.;
|
|
see "help CLAIM" for more specific rules). This can also be extended to all shared channels
|
|
the user is in using the --force-kb option (we hope this feature is only used for good).
|
|
|
|
By default, this command will ignore opers. This behaviour can be suppressed using the --include-opers option.
|
|
|
|
To properly kill abusers on another network, combine this command with the 'remote' command in the
|
|
'networks' plugin and adjust your banmasks accordingly."""
|
|
permissions.check_permissions(irc, source, ['opercmds.masskill'])
|
|
|
|
args = masskill_parser.parse_args(args)
|
|
|
|
if args.force_kb:
|
|
permissions.check_permissions(irc, source, ['opercmds.masskill.force'])
|
|
|
|
reason = ' '.join(args.reason)
|
|
|
|
results = killed = 0
|
|
|
|
userlist_func = irc.match_all_re if use_regex else irc.match_all
|
|
|
|
seen_users = set()
|
|
for uid in userlist_func(args.banmask):
|
|
userobj = irc.users[uid]
|
|
|
|
if irc.is_oper(uid) and not args.include_opers:
|
|
irc.reply('Skipping killing \x02%s\x02 because they are opered.' % userobj.nick)
|
|
continue
|
|
elif irc.get_service_bot(uid):
|
|
irc.reply('Skipping killing \x02%s\x02 because it is a service client.' % userobj.nick)
|
|
continue
|
|
|
|
relay = world.plugins.get('relay')
|
|
if relay and hasattr(userobj, 'remote'):
|
|
# For relay users, forward kill attempts as kickban because we don't want networks k-lining each others' users.
|
|
bans = [irc.make_channel_ban(uid)]
|
|
for channel in userobj.channels.copy(): # Look in which channels the user appears to be in locally
|
|
|
|
if (args.force_kb or relay.check_claim(irc, channel, source)):
|
|
irc.mode(irc.pseudoclient.uid, channel, bans)
|
|
irc.kick(irc.pseudoclient.uid, channel, uid, reason)
|
|
|
|
# XXX: code duplication with massban.
|
|
try:
|
|
irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MASSKILL_BAN',
|
|
{'target': channel, 'modes': bans, 'parse_as': 'MODE'}])
|
|
irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MASSKILL_KICK',
|
|
{'channel': channel, 'target': uid, 'text': reason, 'parse_as': 'KICK'}])
|
|
except:
|
|
log.exception('(%s) Failed to send process massban hook; some kickbans may have not '
|
|
'been sent to plugins / relay networks!', irc.name)
|
|
|
|
if uid not in seen_users: # Don't count users multiple times on different channels
|
|
killed += 1
|
|
else:
|
|
irc.reply("Not kicking \x02%s\x02 from \x02%s\x02 because you don't have CLAIM access. If this is "
|
|
"another network's channel, ask someone to op you or use the --force-kb option." % (userobj.nick, channel))
|
|
else:
|
|
if args.akill: # TODO: configurable length via strings such as "2w3d5h6m3s" - though month and minute clash this way?
|
|
if not (userobj.realhost or userobj.ip):
|
|
irc.reply("Skipping akill on %s because PyLink doesn't know the real host." % irc.get_hostmask(uid))
|
|
continue
|
|
irc.set_server_ban(irc.pseudoclient.uid, 604800, host=userobj.realhost or userobj.ip or userobj.host, reason=reason)
|
|
else:
|
|
irc.kill(irc.pseudoclient.uid, uid, reason)
|
|
try:
|
|
irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MASSKILL',
|
|
{'target': uid, 'parse_as': 'KILL', 'userdata': userobj, 'text': reason}])
|
|
except:
|
|
log.exception('(%s) Failed to send process massban hook; some kickbans may have not '
|
|
'been sent to plugins / relay networks!', irc.name)
|
|
killed += 1
|
|
results += 1
|
|
seen_users.add(uid)
|
|
else:
|
|
log.info('(%s) Ran masskill%s for %s (%s/%s user(s) removed)', irc.name, 're' if use_regex else '',
|
|
irc.get_hostmask(source), killed, results)
|
|
irc.reply('Masskilled %s/%s users.' % (killed, results))
|
|
utils.add_cmd(masskill, aliases=('mkill',))
|
|
|
|
def masskillre(irc, source, args):
|
|
"""<regular expression> [<kill/ban reason>] [--akill/ak] [--force-kb/-f] [--include-opers/-o]
|
|
|
|
Kills all users whose "nick!user@host [gecos]" mask matches the given Python-style regular expression.
|
|
(https://docs.python.org/3/library/re.html#regular-expression-syntax describes supported syntax)
|
|
|
|
The --akill option can also be given to convert kills to akills that expire after 7 days.
|
|
|
|
For relay users, attempts to kill are forwarded as a kickban to every channel where the calling user
|
|
meets claim requirements to set a ban (i.e. this is true if you are opped, if your network is in claim list, etc.;
|
|
see "help CLAIM" for more specific rules). This can also be extended to all shared channels
|
|
the user is in using the --force-kb option (we hope this feature is only used for good).
|
|
|
|
By default, this command will ignore opers. This behaviour can be suppressed using the --include-opers option.
|
|
|
|
\x02Be careful when using this command, as it is easy to make mistakes with regex. Use 'checkbanre'
|
|
to check your bans first!\x02
|
|
|
|
"""
|
|
permissions.check_permissions(irc, source, ['opercmds.masskill.re'])
|
|
return masskill(irc, source, args, use_regex=True)
|
|
|
|
utils.add_cmd(masskillre, aliases=('rkill',))
|
|
|
|
@utils.add_cmd
|
|
def jupe(irc, source, args):
|
|
"""<server> [<reason>]
|
|
|
|
Jupes the given server."""
|
|
|
|
permissions.check_permissions(irc, source, ['opercmds.jupe'])
|
|
|
|
try:
|
|
servername = args[0]
|
|
reason = ' '.join(args[1:]) or "No reason given"
|
|
desc = "Juped by %s: [%s]" % (irc.get_hostmask(source), reason)
|
|
except IndexError:
|
|
irc.error('Not enough arguments. Needs 1-2: servername, reason (optional).')
|
|
return
|
|
|
|
if not irc.is_server_name(servername):
|
|
irc.error("Invalid server name %r." % servername)
|
|
return
|
|
|
|
sid = irc.spawn_server(servername, desc=desc)
|
|
|
|
irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_SPAWNSERVER',
|
|
{'name': servername, 'sid': sid, 'text': desc}])
|
|
|
|
irc.reply("Done.")
|
|
|
|
def _try_find_target(irc, nick):
|
|
"""
|
|
Tries to find the target UID for the given nick, raising LookupError if it doesn't exist or is ambiguous.
|
|
"""
|
|
try:
|
|
int_u = int(nick)
|
|
except:
|
|
int_u = None
|
|
|
|
if int_u and int_u in irc.users:
|
|
return int_u # Some protocols use numeric UIDs
|
|
elif nick in irc.users:
|
|
return nick
|
|
|
|
potential_targets = irc.nick_to_uid(nick, multi=True)
|
|
if not potential_targets:
|
|
# Whatever we were told to kick doesn't exist!
|
|
raise LookupError("No such target %r." % nick)
|
|
elif len(potential_targets) > 1:
|
|
raise LookupError("Multiple users with the nick %r found: please select the right UID: %s" % (nick, str(potential_targets)))
|
|
else:
|
|
return potential_targets[0]
|
|
|
|
@utils.add_cmd
|
|
def kick(irc, source, args):
|
|
"""<channel> <user> [<reason>]
|
|
|
|
Kicks <user> from the specified channel."""
|
|
permissions.check_permissions(irc, source, ['opercmds.kick'])
|
|
try:
|
|
channel = args[0]
|
|
target = args[1]
|
|
reason = ' '.join(args[2:])
|
|
except IndexError:
|
|
irc.error("Not enough arguments. Needs 2-3: channel, target, reason (optional).")
|
|
return
|
|
|
|
if channel not in irc.channels: # KICK only works on channels that exist.
|
|
irc.error("Unknown channel %r." % channel)
|
|
return
|
|
|
|
targetu = _try_find_target(irc, target)
|
|
|
|
sender = irc.pseudoclient.uid
|
|
irc.kick(sender, channel, targetu, reason)
|
|
irc.reply("Done.")
|
|
irc.call_hooks([sender, 'OPERCMDS_KICK', {'channel': channel, 'target': targetu,
|
|
'text': reason, 'parse_as': 'KICK'}])
|
|
|
|
@utils.add_cmd
|
|
def kill(irc, source, args):
|
|
"""<target> [<reason>]
|
|
|
|
Kills the given target."""
|
|
permissions.check_permissions(irc, source, ['opercmds.kill'])
|
|
try:
|
|
target = args[0]
|
|
reason = ' '.join(args[1:])
|
|
except IndexError:
|
|
irc.error("Not enough arguments. Needs 1-2: target, reason (optional).")
|
|
return
|
|
|
|
# Convert the source and target nicks to UIDs.
|
|
sender = irc.pseudoclient.uid
|
|
|
|
targetu = _try_find_target(irc, target)
|
|
|
|
if irc.pseudoclient.uid == targetu:
|
|
irc.error("Cannot kill the main PyLink client!")
|
|
return
|
|
|
|
userdata = irc.users.get(targetu)
|
|
|
|
# Deliver a more complete kill reason if our target is a non-PyLink client.
|
|
# We skip this for PyLink clients so that relayed kills don't get
|
|
# "Killed (abc (...))" tacked on both here and by the receiving IRCd.
|
|
if not irc.is_internal_client(targetu):
|
|
reason = "Killed (%s (Requested by %s: %s))" % (
|
|
irc.get_friendly_name(sender),
|
|
irc.get_friendly_name(source),
|
|
reason)
|
|
|
|
irc.kill(sender, targetu, reason)
|
|
|
|
irc.reply("Done.")
|
|
irc.call_hooks([source, 'OPERCMDS_KILL', {'target': targetu, 'text': reason,
|
|
'userdata': userdata, 'parse_as': 'KILL'}])
|
|
|
|
@utils.add_cmd
|
|
def mode(irc, source, args):
|
|
"""<channel> <modes>
|
|
|
|
Sets the given modes on the target channel."""
|
|
|
|
permissions.check_permissions(irc, source, ['opercmds.mode'])
|
|
|
|
try:
|
|
target, modes = args[0], args[1:]
|
|
except IndexError:
|
|
irc.error('Not enough arguments. Needs 2: target, modes to set.')
|
|
return
|
|
|
|
if target not in irc.channels:
|
|
irc.error("Unknown channel %r." % target)
|
|
return
|
|
elif not modes:
|
|
# No modes were given before parsing (i.e. mode list was blank).
|
|
irc.error("No valid modes were given.")
|
|
return
|
|
|
|
parsedmodes = irc.parse_modes(target, modes)
|
|
|
|
if not parsedmodes:
|
|
# Modes were given but they failed to parse into anything meaningful.
|
|
# For example, "mode #somechan +o" would be erroneous because +o
|
|
# requires an argument!
|
|
irc.error("No valid modes were given.")
|
|
return
|
|
|
|
irc.mode(irc.pseudoclient.uid, target, parsedmodes)
|
|
|
|
# Call the appropriate hooks for plugins like relay.
|
|
irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_MODE',
|
|
{'target': target, 'modes': parsedmodes, 'parse_as': 'MODE'}])
|
|
|
|
irc.reply("Done.")
|
|
|
|
@utils.add_cmd
|
|
def topic(irc, source, args):
|
|
"""<channel> <topic>
|
|
|
|
Changes the topic in a channel."""
|
|
permissions.check_permissions(irc, source, ['opercmds.topic'])
|
|
try:
|
|
channel = args[0]
|
|
topic = ' '.join(args[1:])
|
|
except IndexError:
|
|
irc.error("Not enough arguments. Needs 2: channel, topic.")
|
|
return
|
|
|
|
if channel not in irc.channels:
|
|
irc.error("Unknown channel %r." % channel)
|
|
return
|
|
|
|
irc.topic(irc.pseudoclient.uid, channel, topic)
|
|
|
|
irc.reply("Done.")
|
|
irc.call_hooks([irc.pseudoclient.uid, 'OPERCMDS_TOPIC',
|
|
{'channel': channel, 'text': topic, 'setter': source,
|
|
'parse_as': 'TOPIC'}])
|
|
|
|
@utils.add_cmd
|
|
def chghost(irc, source, args):
|
|
"""<user> <new host>
|
|
|
|
Changes the visible host of the target user."""
|
|
_chgfield(irc, source, args, 'host')
|
|
|
|
@utils.add_cmd
|
|
def chgident(irc, source, args):
|
|
"""<user> <new ident>
|
|
|
|
Changes the ident of the target user."""
|
|
_chgfield(irc, source, args, 'ident')
|
|
|
|
@utils.add_cmd
|
|
def chgname(irc, source, args):
|
|
"""<user> <new name>
|
|
|
|
Changes the GECOS (realname) of the target user."""
|
|
_chgfield(irc, source, args, 'name', 'GECOS')
|
|
|
|
def _chgfield(irc, source, args, human_field, internal_field=None):
|
|
"""Helper function for chghost/chgident/chgname."""
|
|
permissions.check_permissions(irc, source, ['opercmds.chg' + human_field])
|
|
try:
|
|
target = args[0]
|
|
new = args[1]
|
|
except IndexError:
|
|
irc.error("Not enough arguments. Needs 2: target, new %s." % human_field)
|
|
return
|
|
|
|
# Find the user
|
|
targetu = _try_find_target(irc, target)
|
|
|
|
internal_field = internal_field or human_field.upper()
|
|
irc.update_client(targetu, internal_field, new)
|
|
irc.reply("Done.")
|