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mirror of https://github.com/jlu5/PyLink.git synced 2024-11-27 13:09:23 +01:00

relay: fake revert mode changes we couldn't bounce (#23)

This allows services to revert mode changes CLAIM was not happy with, instead of causing another mode war during this process.
This commit is contained in:
James Lu 2019-06-21 15:38:49 -07:00
parent dcab011673
commit ed4404bf4b

View File

@ -1884,23 +1884,22 @@ def handle_mode(irc, numeric, command, args):
for named_modepair in modedelta_modes]))
if not check_claim(irc, target, numeric, chanobj=oldchan):
if _claim_should_bounce(irc, target):
# Mode change blocked by CLAIM.
reversed_modes = irc.reverse_modes(target, modes, oldobj=oldchan)
# Mode change blocked by CLAIM.
reversed_modes = irc.reverse_modes(target, modes, oldobj=oldchan)
if irc.is_privileged_service(numeric):
# Special hack for "U-lined" servers - ignore changes to SIMPLE modes and
# attempts to op its own clients (trying to change status for others
# SHOULD be reverted).
# This is for compatibility with Anope's DEFCON for the most part, as well as
# silly people who try to register a channel multiple times via relay.
reversed_modes = [modepair for modepair in reversed_modes if
# Include prefix modes if target isn't also U-lined
((modepair[0][-1] in irc.prefixmodes and not
irc.is_privileged_service(modepair[1]))
# Include all list modes (bans, etc.)
or modepair[0][-1] in irc.cmodes['*A'])
]
if irc.is_privileged_service(numeric):
# Special hack for "U-lined" servers - ignore changes to SIMPLE modes and
# attempts to op its own clients (trying to change status for others
# SHOULD be reverted).
# This is for compatibility with Anope's DEFCON for the most part, as well as
# silly people who try to register a channel multiple times via relay.
reversed_modes = [modepair for modepair in reversed_modes if
# Include prefix modes if target isn't also U-lined
((modepair[0][-1] in irc.prefixmodes and not
irc.is_privileged_service(modepair[1]))
# Include all list modes (bans, etc.)
or modepair[0][-1] in irc.cmodes['*A'])
]
modes.clear() # Clear the mode list so nothing is relayed below
for modepair in modes.copy():
@ -1931,9 +1930,14 @@ def handle_mode(irc, numeric, command, args):
irc.name, str(modepair), target)
if reversed_modes:
log.debug('(%s) relay.handle_mode: Reversing mode changes of %r with %r.',
irc.name, args['modes'], reversed_modes)
irc.mode(irc.sid, target, reversed_modes)
if _claim_should_bounce(irc, target):
log.debug('(%s) relay.handle_mode: Reversing mode changes %r on %s with %r.',
irc.name, args['modes'], target, reversed_modes)
irc.mode(irc.sid, target, reversed_modes)
else:
log.debug('(%s) relay.handle_mode: Fake reversing mode changes %r on %s with %r.',
irc.name, args['modes'], target, reversed_modes)
irc.apply_modes(target, reversed_modes)
if modes:
iterate_all(irc, _handle_mode_loop, extra_args=(numeric, command, target, modes))