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relay: fix nick collision loop on SAVE + when both tagged UID and untagged UID exist on one net

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This fixes a clash when for example: both 42XAAAAAA and _42XAAAAAA exist on a network, and PyLink tries to relay both nicks as _42XAAAAAA/network.

Also, this adds an oldnick argument to the SAVE protocol handler, which is then used by relay.normalizeNick to check whether the original pre-SAVE nick is also in use, in the event of nick collisions.
This commit is contained in:
James Lu 2015-07-25 18:20:49 -07:00
parent 5ab7b507be
commit e354ada838
2 changed files with 6 additions and 4 deletions
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7
plugins/relay.py
View File

@ -25,7 +25,7 @@ def relayWhoisHandlers(irc, target):
remotenick)]
utils.whois_handlers.append(relayWhoisHandlers)
def normalizeNick(irc, netname, nick, separator=None):
def normalizeNick(irc, netname, nick, separator=None, oldnick=''):
# Block until we know the IRC network's nick length (after capabilities
# are sent)
log.debug('(%s) normalizeNick: waiting for irc.connected', irc.name)
@ -59,7 +59,8 @@ def normalizeNick(irc, netname, nick, separator=None):
nick = nick[:allowedlength]
nick += suffix
# FIXME: factorize
while utils.nickToUid(irc, nick) and not utils.isInternalClient(irc, utils.nickToUid(irc, nick)):
while utils.nickToUid(irc, nick) or utils.nickToUid(irc, oldnick) and not \
utils.isInternalClient(irc, utils.nickToUid(irc, nick)):
# The nick we want exists? Darn, create another one then, but only if
# the target isn't an internal client!
# Increase the separator length by 1 if the user was already tagged,
@ -901,7 +902,7 @@ def handle_save(irc, numeric, command, args):
remotenet, remoteuser = realuser
remoteirc = utils.networkobjects[remotenet]
nick = remoteirc.users[remoteuser].nick
newnick = normalizeNick(irc, remotenet, nick)
newnick = normalizeNick(irc, remotenet, nick, oldnick=args['oldnick'])
irc.proto.nickClient(irc, target, newnick)
else:
# Somebody else on the network (not a PyLink client) had a nick collision;

3
protocols/inspircd.py
View File

@ -423,8 +423,9 @@ def handle_save(irc, numeric, command, args):
# -> :0AL000001 NICK Derp_ 1433728673
# <- :70M SAVE 0AL000001 1433728673
user = args[0]
oldnick = irc.users[user].nick
irc.users[user].nick = user
return {'target': user, 'ts': int(args[1])}
return {'target': user, 'ts': int(args[1]), 'oldnick': oldnick}
def handle_fmode(irc, numeric, command, args):
# <- :70MAAAAAA FMODE #chat 1433653462 +hhT 70MAAAAAA 70MAAAAAD