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inspircd: move protocol version check into CAPAB START handler

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InspIRCd 3.0 stopped sending the protocol version in CAPAB CAPABILITIES, but it's always available in CAPAB START.
This commit is contained in:
James Lu 2019-05-02 16:11:53 -07:00
parent 6f617cb068
commit 0fe8a8d51a
1 changed files with 20 additions and 2 deletions
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22
protocols/inspircd.py
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@ -451,8 +451,26 @@ class InspIRCdProtocol(TS6BaseProtocol):
"""
# 6 CAPAB commands are usually sent on connect: CAPAB START, MODULES,
# MODSUPPORT, CHANMODES, USERMODES, and CAPABILITIES.
# The only ones of interest to us are CHANMODES, USERMODES,
# CAPABILITIES, and MODSUPPORT.
# We check just about everything except MODULES
if args[0] == 'START':
# Check the protocol version
# insp20:
# <- CAPAB START 1202
# insp3:
# <- CAPAB START 1205
self.remote_proto_ver = protocol_version = int(args[1])
if protocol_version < self.MIN_PROTO_VER:
raise ProtocolError("Remote protocol version is too old! "
"At least %s (InspIRCd 2.0.x) is "
"needed. (got %s)" % (self.min_proto_ver,
protocol_version))
elif protocol_version > self.MAX_PROTO_VER:
log.warning("(%s) PyLink support for InspIRCd > 3.0 is experimental, "
"and should not be relied upon for anything important.",
self.name)
log.debug("(%s) inspircd: got remote protocol version %s", self.name, protocol_version)
if args[0] == 'CHANMODES':
# <- CAPAB CHANMODES :admin=&a allowinvite=A autoop=w ban=b