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ts6: rewrite MODE wrapping to check message length and argument count (#253)

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This commit is contained in:
James Lu 2017-01-08 21:19:54 -08:00
parent e2c0877e9b
commit 70deb5a285
1 changed files with 7 additions and 6 deletions
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13
protocols/ts6.py
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@ -10,6 +10,8 @@ from pylinkirc.classes import *
from pylinkirc.log import log
from pylinkirc.protocols.ts6_common import *
S2S_BUFSIZE = 510
class TS6Protocol(TS6BaseProtocol):
def __init__(self, irc):
super().__init__(irc)
@ -183,12 +185,11 @@ class TS6Protocol(TS6BaseProtocol):
# On output, at most ten cmode parameters should be sent; if there are more,
# multiple TMODE messages should be sent.
while modes[:10]:
# Seriously, though. If you send more than 10 mode parameters in
# a line, charybdis will silently REJECT the entire command!
joinedmodes = self.irc.joinModes([m for m in modes[:10]])
modes = modes[10:]
self._send(numeric, 'TMODE %s %s %s' % (ts, target, joinedmodes))
msgprefix = ':%s TMODE %s %s ' % (numeric, ts, target)
bufsize = S2S_BUFSIZE - len(msgprefix)
for modestr in self.irc.wrapModes(modes, bufsize, max_modes_per_msg=10):
self.irc.send(msgprefix + modestr)
else:
joinedmodes = self.irc.joinModes(modes)
self._send(numeric, 'MODE %s %s' % (target, joinedmodes))