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https://github.com/jlu5/PyLink.git
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Merge branch 'devel' into wip/document-everything
This commit is contained in:
James Lu
commit
0610783479
@ -14,6 +14,7 @@ Dependencies currently include:
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* Python 3.4+
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* PyYAML (`pip install pyyaml` or `apt-get install python3-yaml`)
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* *For the relay plugin only*: expiringdict (`pip install expiringdict`/`apt-get install python3-expiringdict`)
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#### Supported IRCds
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@ -23,7 +24,7 @@ Dependencies currently include:
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### Installation
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1) Rename `config.yml.example` to `config.yml` and configure your instance there. Not all options are properly implemented yet, and the configuration schema isn't finalized yet - this means your configuration may break in an update!
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1) Rename `config.yml.example` to `config.yml` and configure your instance there. Not all options are properly implemented yet, and the configuration schema isn't finalized yet - this means that your configuration may break in an update!
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2) Run `main.py` from the command line.
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@ -31,6 +31,12 @@ servers:
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# The first char must be a digit [0-9], and the remaining two chars may be letters [A-Z] or digits.
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sid: "0AL"
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# SID range - the range of SIDs PyLink is allowed to use to generate server IDs. On TS6,
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# this should be a combination of digits, letters, and #'s. Each # denotes a range (0-9A-Z)
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# of characters that can be used by PyLink. You will want to make sure no other servers
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# are using this range. There must be at least one # in the entry.
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sidrange: "8##"
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# Autojoin channels
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channels: ["#pylink"]
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12
main.py
12
main.py
@ -278,10 +278,10 @@ if __name__ == '__main__':
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pl = imp.load_source(plugin, moduleinfo[1])
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utils.plugins.append(pl)
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except ImportError as e:
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if str(e).startswith('No module named'):
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log.error('Failed to load plugin %r: the plugin could not be found.', plugin)
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if str(e) == ('No module named %r' % plugin):
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log.error('Failed to load plugin %r: The plugin could not be found.', plugin)
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else:
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log.error('Failed to load plugin %r: import error %s', plugin, str(e))
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log.error('Failed to load plugin %r: ImportError: %s', plugin, str(e))
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else:
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if hasattr(pl, 'main'):
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log.debug('Calling main() function of plugin %r', pl)
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@ -293,10 +293,10 @@ if __name__ == '__main__':
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moduleinfo = imp.find_module(protoname, protocols_folder)
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proto = imp.load_source(protoname, moduleinfo[1])
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except ImportError as e:
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if str(e).startswith('No module named'):
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log.critical('Failed to load protocol module %r: the file could not be found.', protoname)
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if str(e) == ('No module named %r' % protoname):
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log.critical('Failed to load protocol module %r: The file could not be found.', protoname)
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else:
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log.critical('Failed to load protocol module: import error %s', protoname, str(e))
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log.critical('Failed to load protocol module: ImportError: %s', protoname, str(e))
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sys.exit(2)
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else:
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utils.networkobjects[network] = Irc(network, proto, conf.conf)
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@ -144,11 +144,14 @@ def kick(irc, source, args):
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except IndexError:
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utils.msg(irc, source, "Error: not enough arguments. Needs 3-4: source nick, channel, target, reason (optional).")
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return
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u = utils.nickToUid(irc, nick)
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u = utils.nickToUid(irc, nick) or nick
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targetu = utils.nickToUid(irc, target)
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if not utils.isChannel(channel):
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utils.msg(irc, source, "Error: Invalid channel name %r." % channel)
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return
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if utils.isInternalServer(irc, u):
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irc.proto.kickServer(irc, u, channel, targetu, reason)
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else:
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irc.proto.kickClient(irc, u, channel, targetu, reason)
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irc.callHooks([u, 'PYLINK_ADMIN_KICK', {'channel': channel, 'target': targetu, 'text': reason, 'parse_as': 'KICK'}])
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@ -8,6 +8,8 @@ import threading
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import string
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from collections import defaultdict
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from expiringdict import ExpiringDict
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import utils
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from log import log
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from conf import confname
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@ -19,6 +21,7 @@ dbname += '.db'
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relayusers = defaultdict(dict)
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spawnlocks = defaultdict(threading.Lock)
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savecache = ExpiringDict(max_len=5, max_age_seconds=10)
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def relayWhoisHandlers(irc, target):
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user = irc.users[target]
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@ -31,41 +34,46 @@ def relayWhoisHandlers(irc, target):
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remotenick)]
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utils.whois_handlers.append(relayWhoisHandlers)
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def normalizeNick(irc, netname, nick, separator=None, oldnick=''):
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def normalizeNick(irc, netname, nick, separator=None, uid=''):
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separator = separator or irc.serverdata.get('separator') or "/"
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log.debug('(%s) normalizeNick: using %r as separator.', irc.name, separator)
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orig_nick = nick
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protoname = irc.proto.__name__
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maxnicklen = irc.maxnicklen
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if not protoname.startswith(('insp', 'unreal')):
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# Charybdis doesn't allow / in usernames, and will quit with
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# a protocol violation if there is one.
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# Charybdis doesn't allow / in usernames, and will SQUIT with
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# a protocol violation if it sees one.
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separator = separator.replace('/', '|')
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nick = nick.replace('/', '|')
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if nick.startswith(tuple(string.digits)):
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# On TS6 IRCds, nicks that start with 0-9 are only allowed if
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# they match the UID of the originating server. Otherwise, you'll
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# get nasty protocol violations!
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# get nasty protocol violation SQUITs!
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nick = '_' + nick
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tagnicks = True
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suffix = separator + netname
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nick = nick[:maxnicklen]
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# Maximum allowed length of a nickname.
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# Maximum allowed length of a nickname, minus the obligatory /network tag.
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allowedlength = maxnicklen - len(suffix)
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# If a nick is too long, the real nick portion must be cut off, but the
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# /network suffix must remain the same.
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# If a nick is too long, the real nick portion will be cut off, but the
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# /network suffix MUST remain the same.
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nick = nick[:allowedlength]
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nick += suffix
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# FIXME: factorize
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while utils.nickToUid(irc, nick) or utils.nickToUid(irc, oldnick) and not \
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isRelayClient(irc, utils.nickToUid(irc, nick)):
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# The nick we want exists? Darn, create another one then, but only if
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# the target isn't an internal client!
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# The nick we want exists? Darn, create another one then.
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# Increase the separator length by 1 if the user was already tagged,
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# but couldn't be created due to a nick conflict.
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# This can happen when someone steals a relay user's nick.
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# However, if the user is changing from, say, a long, cut-off nick to another long,
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# cut-off nick, we don't need to check for duplicates and tag the nick twice.
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# somecutoffnick/net would otherwise be erroneous NICK'ed to somecutoffnic//net,
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# even though there would be no collision because the old and new nicks are from
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# the same client.
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while utils.nickToUid(irc, nick) and utils.nickToUid(irc, nick) != uid:
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new_sep = separator + separator[-1]
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log.debug('(%s) normalizeNick: nick %r is in use; using %r as new_sep.', irc.name, nick, new_sep)
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nick = normalizeNick(irc, netname, orig_nick, separator=new_sep)
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@ -271,7 +279,7 @@ utils.add_hook(handle_squit, 'SQUIT')
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def handle_nick(irc, numeric, command, args):
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for netname, user in relayusers[(irc.name, numeric)].items():
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remoteirc = utils.networkobjects[netname]
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newnick = normalizeNick(remoteirc, irc.name, args['newnick'])
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newnick = normalizeNick(remoteirc, irc.name, args['newnick'], uid=user)
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if remoteirc.users[user].nick != newnick:
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remoteirc.proto.nickClient(remoteirc, user, newnick)
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utils.add_hook(handle_nick, 'NICK')
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@ -396,9 +404,16 @@ def handle_kick(irc, source, command, args):
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# Join the kicked client back with its respective modes.
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irc.proto.sjoinServer(irc, irc.sid, channel, [(modes, target)])
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if kicker in irc.users:
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log.info('(%s) Blocked KICK (reason %r) from %s to relay client %s/%s on %s.',
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irc.name, args['text'], irc.users[source].nick,
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remoteirc.users[real_target].nick, remoteirc.name, channel)
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utils.msg(irc, kicker, "This channel is claimed; your kick to "
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"%s has been blocked because you are not "
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"(half)opped." % channel, notice=True)
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else:
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log.info('(%s) Blocked KICK (reason %r) from server %s to relay client %s/%s on %s.',
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irc.name, args['text'], irc.servers[source].name,
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remoteirc.users[real_target].nick, remoteirc.name, channel)
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return
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if not real_target:
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@ -538,7 +553,6 @@ def relayModes(irc, remoteirc, sender, channel, modes=None):
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# Don't send anything if there are no supported modes left after filtering.
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if supported_modes:
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# Check if the sender is a user; remember servers are allowed to set modes too.
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if sender in irc.users:
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u = getRemoteUser(irc, remoteirc, sender, spawnIfMissing=False)
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if u:
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remoteirc.proto.modeClient(remoteirc, u, remotechan, supported_modes)
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@ -627,10 +641,17 @@ def handle_kill(irc, numeric, command, args):
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client = getRemoteUser(remoteirc, irc, realuser[1])
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irc.proto.sjoinServer(irc, irc.sid, localchan, [(modes, client)])
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if userdata and numeric in irc.users:
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log.info('(%s) Blocked KILL (reason %r) from %s to relay client %s/%s.',
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irc.name, args['text'], irc.users[numeric].nick,
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remoteirc.users[realuser[1]].nick, realuser[0])
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utils.msg(irc, numeric, "Your kill to %s has been blocked "
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"because PyLink does not allow killing"
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" users over the relay at this time." % \
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userdata.nick, notice=True)
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else:
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log.info('(%s) Blocked KILL (reason %r) from server %s to relay client %s/%s.',
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irc.name, args['text'], irc.servers[numeric].name,
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remoteirc.users[realuser[1]].nick, realuser[0])
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# Target user was local.
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else:
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# IMPORTANT: some IRCds (charybdis) don't send explicit QUIT messages
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@ -913,8 +934,18 @@ def handle_save(irc, numeric, command, args):
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remotenet, remoteuser = realuser
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remoteirc = utils.networkobjects[remotenet]
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nick = remoteirc.users[remoteuser].nick
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newnick = normalizeNick(irc, remotenet, nick, oldnick=args['oldnick'])
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# Limit how many times we can attempt to fix our nick, to prevent
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# floods and such.
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if savecache.setdefault(target, 0) <= 5:
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newnick = normalizeNick(irc, remotenet, nick)
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log.info('(%s) SAVE received for relay client %r (%s), fixing nick to %s',
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irc.name, target, nick, newnick)
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irc.proto.nickClient(irc, target, newnick)
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else:
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log.warning('(%s) SAVE received for relay client %r (%s), not '
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'fixing nick again due to 5 failed attempts in '
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'the last 10 seconds!', irc.name, target, nick)
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savecache[target] += 1
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else:
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# Somebody else on the network (not a PyLink client) had a nick collision;
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# relay this as a nick change appropriately.
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