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relay: support relaying kills (#520)

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Instead of always bouncing, kills to a relay client are now handled as follows:

1) If the target and source networks are both in any killshare pool, relay the kill entirely
2) Otherwise, iterate over all channels the kill target is in:
    3) If the killer has claim access in a channel, forward the KILL as a kick
    4) Otherwise, bounce the kill (so far, silently)

TODO: kill messages are currently very cluttered, we should make our parser deliver more concise strings...
* GL|unreal has quit (Killed (chary.relay (KILL from GL/chary: Killed (GL (test)))))
This commit is contained in:
James Lu 2018-06-11 18:34:52 -07:00
parent 9466813ba1
commit 73d0e153cf
2 changed files with 55 additions and 22 deletions
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9
example-conf.yml
View File

@ -659,6 +659,15 @@ relay:
# - ["net1", "net2", "net3"]
# - ["net1", "meganet"]
# This option defines lists of networks that kills should be relayed between.
# If a network is in a pool (case-SENSITIVE), they will be able to kill users
# on other networks in the pool, and will also receive kills from other networks
# in the pool.
# You should generally have a consensus among your linked networks as to which
# network should be in which pool.
#kill_share_pools:
# - ["net1", "net2", "net3"]
# Determines whether NickServ login info should be shown in the /whois output for
# relay users.
# Valid options include "all" (show this to everyone), "opers" (show only to

68
plugins/relay.py
View File

@ -326,7 +326,7 @@ def _has_common_pool(sourcenet, targetnet, namespace):
if 'relay' not in conf.conf:
return False
for pool in conf.conf['relay'].get(namespace, []):
for pool in (conf.conf['relay'].get(namespace) or []):
if sourcenet in pool and targetnet in pool:
log.debug('relay._has_common_pool: found networks %r and %r in %s pool %r', sourcenet, targetnet,
namespace, pool)
@ -1905,30 +1905,54 @@ def handle_kill(irc, numeric, command, args):
# Target user was remote:
if realuser and realuser[0] != irc.name:
# We don't allow killing over the relay, so we must respawn the affected
# client and rejoin it to its channels.
del relayusers[realuser][irc.name]
remoteirc = world.networkobjects[realuser[0]]
for remotechan in remoteirc.users[realuser[1]].channels:
localchan = get_remote_channel(remoteirc, irc, remotechan)
if localchan:
modes = get_prefix_modes(remoteirc, irc, remotechan, realuser[1])
log.debug('(%s) relay.handle_kill: userpair: %s, %s', irc.name, modes, realuser)
client = get_remote_user(remoteirc, irc, realuser[1], times_tagged=1)
irc.sjoin(get_relay_server_sid(irc, remoteirc), localchan, [(modes, client)])
fwd_reason = 'KILL from %s/%s: %s' % (irc.get_friendly_name(numeric), irc.name, args['text'])
if userdata and numeric in irc.users:
log.info('(%s) relay.handle_kill: Blocked KILL (reason %r) from %s to relay client %s/%s.',
irc.name, args['text'], irc.users[numeric].nick,
remoteirc.users[realuser[1]].nick, realuser[0])
irc.msg(numeric, "Your kill to %s has been blocked "
"because PyLink does not allow killing"
" users over the relay at this time." % \
userdata.nick, notice=True)
origirc = world.networkobjects[realuser[0]]
# If we're allowed to forward kills, then do so.
if _has_common_pool(irc.name, realuser[0], 'kill_share_pools'):
def _relay_kill_loop(irc, remoteirc):
if remoteirc == origirc:
# Don't bother with get_orig_user when we relay onto the target's home net
rtarget = realuser[1]
else:
rtarget = get_remote_user(origirc, remoteirc, realuser[1])
if rtarget:
# Forward the kill from the relay server when available
rsender = get_relay_server_sid(remoteirc, irc, spawn_if_missing=False) or \
remoteirc.sid
remoteirc.kill(rsender, rtarget, fwd_reason)
iterate_all(irc, _relay_kill_loop)
del relayusers[realuser]
else:
log.info('(%s) relay.handle_kill: Blocked KILL (reason %r) from server %s to relay client %s/%s.',
irc.name, args['text'], irc.servers[numeric].name,
remoteirc.users[realuser[1]].nick, realuser[0])
# Otherwise, forward kills as kicks where applicable.
for remotechan in origirc.users[realuser[1]].channels.copy():
localchan = get_remote_channel(origirc, irc, remotechan)
if localchan:
# Forward kills as kicks in all channels that the sender has CLAIM access to.
if check_claim(irc, localchan, numeric):
rsid = get_relay_server_sid(origirc, irc)
log.debug('(%s) relay.handle_kill: forwarding kill to %s/%s@%s as '
'kick on %s', irc.name, realuser[1],
origirc.get_friendly_name(realuser[1]), realuser[0], remotechan)
origirc.kick(rsid, remotechan, realuser[1], fwd_reason)
origirc.call_hooks([rsid, 'RELAY_KILLFORWARD_KICK',
{'target': realuser[1], 'channel': remotechan, 'text': fwd_reason,
'parse_as': 'KICK'}])
# If we have no access in a channel, rejoin the target.
else:
modes = get_prefix_modes(origirc, irc, remotechan, realuser[1])
log.debug('(%s) relay.handle_kill: rejoining target userpair: (%r, %r)', irc.name, modes, realuser)
# Set times_tagged=1 to forcetag the target when they return.
client = get_remote_user(origirc, irc, realuser[1], times_tagged=1)
irc.sjoin(irc.sid, localchan, [(modes, client)])
# Target user was local.
else: