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