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unreal: read user modes from PROTOCTL USERMODES when available

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This is sent by UnrealIRCd 4.2.3 and later.
This commit is contained in:
James Lu 2019-11-17 12:21:59 -08:00
parent 8a48d4d8cc
commit d73e2fc209
1 changed files with 69 additions and 22 deletions
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91
protocols/unreal.py
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@ -20,6 +20,55 @@ class UnrealProtocol(TS6BaseProtocol):
# https://github.com/unrealircd/unrealircd/blob/4cad9cb/src/modules/m_server.c#L1260 may # https://github.com/unrealircd/unrealircd/blob/4cad9cb/src/modules/m_server.c#L1260 may
# also help. (but why BUFSIZE-*80*?) -GL # also help. (but why BUFSIZE-*80*?) -GL
S2S_BUFSIZE = 427 S2S_BUFSIZE = 427
_KNOWN_CMODES = {'ban': 'b',
'banexception': 'e',
'blockcolor': 'c',
'censor': 'G',
'delayjoin': 'D',
'flood_unreal': 'f',
'invex': 'I',
'inviteonly': 'i',
'issecure': 'Z',
'key': 'k',
'limit': 'l',
'moderated': 'm',
'noctcp': 'C',
'noextmsg': 'n',
'noinvite': 'V',
'nokick': 'Q',
'noknock': 'K',
'nonick': 'N',
'nonotice': 'T',
'op': 'o',
'operonly': 'O',
'permanent': 'P',
'private': 'p',
'registered': 'r',
'regmoderated': 'M',
'regonly': 'R',
'secret': 's',
'sslonly': 'z',
'stripcolor': 'S',
'topiclock': 't',
'voice': 'v'}
_KNOWN_UMODES = {'bot': 'B',
'cloak': 'x',
'deaf': 'd',
'filter': 'G',
'hidechans': 'p',
'hideidle': 'I',
'hideoper': 'H',
'invisible': 'i',
'noctcp': 'T',
'protected': 'q',
'regdeaf': 'R',
'registered': 'r',
'servprotect': 'S',
'showwhois': 'W',
'snomask': 's',
'ssl': 'z',
'vhost': 't',
'wallops': 'w'}
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs) super().__init__(*args, **kwargs)
@ -28,7 +77,7 @@ class UnrealProtocol(TS6BaseProtocol):
self.casemapping = 'ascii' self.casemapping = 'ascii'
# Unreal protocol version # Unreal protocol version
self.proto_ver = 4200 self.proto_ver = 4203
self.min_proto_ver = 4000 self.min_proto_ver = 4000
self.hook_map = {'UMODE2': 'MODE', 'SVSKILL': 'KILL', 'SVSMODE': 'MODE', self.hook_map = {'UMODE2': 'MODE', 'SVSKILL': 'KILL', 'SVSMODE': 'MODE',
@ -341,15 +390,6 @@ class UnrealProtocol(TS6BaseProtocol):
# Track usages of legacy (Unreal 3.2) nicks. # Track usages of legacy (Unreal 3.2) nicks.
self.legacy_uidgen = PUIDGenerator('U32user') self.legacy_uidgen = PUIDGenerator('U32user')
self.umodes.update({'deaf': 'd', 'invisible': 'i', 'hidechans': 'p',
'protected': 'q', 'registered': 'r',
'snomask': 's', 'vhost': 't', 'wallops': 'w',
'bot': 'B', 'cloak': 'x', 'ssl': 'z',
'filter': 'G', 'hideoper': 'H', 'hideidle': 'I',
'regdeaf': 'R', 'servprotect': 'S',
'noctcp': 'T', 'showwhois': 'W',
'*A': '', '*B': '', '*C': '', '*D': 'dipqrstwBxzGHIRSTW'})
f = self.send f = self.send
host = self.serverdata["hostname"] host = self.serverdata["hostname"]
@ -510,6 +550,10 @@ class UnrealProtocol(TS6BaseProtocol):
"(Unreal 4.x), got %s)" % (self.min_proto_ver, protover)) "(Unreal 4.x), got %s)" % (self.min_proto_ver, protover))
self.servers[numeric] = Server(self, None, sname, desc=sdesc) self.servers[numeric] = Server(self, None, sname, desc=sdesc)
# Prior to 4203, Unreal did not send PROTOCTL USERMODES (see handle_protoctl() )
if protover < 4203:
self.umodes.update(self._KNOWN_UMODES)
self.umodes['*D'] = ''.join(self._KNOWN_UMODES.values())
else: else:
# Legacy (non-SID) servers can still be introduced using the SERVER command. # Legacy (non-SID) servers can still be introduced using the SERVER command.
# <- :services.int SERVER a.bc 2 :(H) [GL] a # <- :services.int SERVER a.bc 2 :(H) [GL] a
@ -517,21 +561,19 @@ class UnrealProtocol(TS6BaseProtocol):
def handle_protoctl(self, numeric, command, args): def handle_protoctl(self, numeric, command, args):
"""Handles protocol negotiation.""" """Handles protocol negotiation."""
cmodes = {'noknock': 'K', 'limit': 'l', 'registered': 'r', 'flood_unreal': 'f',
'censor': 'G', 'noextmsg': 'n', 'invex': 'I', 'permanent': 'P',
'sslonly': 'z', 'operonly': 'O', 'moderated': 'm', 'blockcolor': 'c',
'regmoderated': 'M', 'noctcp': 'C', 'secret': 's', 'ban': 'b',
'nokick': 'Q', 'private': 'p', 'stripcolor': 'S', 'key': 'k',
'op': 'o', 'voice': 'v', 'regonly': 'R', 'noinvite': 'V',
'banexception': 'e', 'nonick': 'N', 'issecure': 'Z', 'topiclock': 't',
'nonotice': 'T', 'delayjoin': 'D', 'inviteonly': 'i'}
# Make a list of all our capability names. # Make a list of all our capability names.
self.caps += [arg.split('=')[0] for arg in args] self.caps += [arg.split('=')[0] for arg in args]
# Unreal 4.0.x:
# <- PROTOCTL NOQUIT NICKv2 SJOIN SJOIN2 UMODE2 VL SJ3 TKLEXT TKLEXT2 NICKIP ESVID # <- PROTOCTL NOQUIT NICKv2 SJOIN SJOIN2 UMODE2 VL SJ3 TKLEXT TKLEXT2 NICKIP ESVID
# <- PROTOCTL CHANMODES=beI,k,l,psmntirzMQNRTOVKDdGPZSCc NICKCHARS= SID=001 MLOCK TS=1441314501 EXTSWHOIS # <- PROTOCTL CHANMODES=beI,k,l,psmntirzMQNRTOVKDdGPZSCc NICKCHARS= SID=001 MLOCK TS=1441314501 EXTSWHOIS
# Unreal 4.2.x:
# <- PROTOCTL NOQUIT NICKv2 SJOIN SJOIN2 UMODE2 VL SJ3 TKLEXT TKLEXT2 NICKIP ESVID SJSBY
# <- PROTOCTL CHANMODES=beI,kLf,l,psmntirzMQNRTOVKDdGPZSCc USERMODES=iowrsxzdHtIDZRqpWGTSB BOOTED=1574014839 PREFIX=(qaohv)~&@%+ NICKCHARS= SID=001 MLOCK TS=1574020869 EXTSWHOIS
# Unreal 5.0.0-rc1:
# <- PROTOCTL NOQUIT NICKv2 SJOIN SJOIN2 UMODE2 VL SJ3 TKLEXT TKLEXT2 NICKIP ESVID SJSBY MTAGS
# <- PROTOCTL CHANMODES=beI,kLf,lH,psmntirzMQNRTOVKDdGPZSCc USERMODES=iowrsxzdHtIDZRqpWGTSB BOOTED=1574020755 PREFIX=(qaohv)~&@%+ SID=001 MLOCK TS=1574020823 EXTSWHOIS
# <- PROTOCTL NICKCHARS= CHANNELCHARS=utf8
for cap in args: for cap in args:
if cap.startswith('SID'): if cap.startswith('SID'):
self.uplink = cap.split('=', 1)[1] self.uplink = cap.split('=', 1)[1]
@ -539,13 +581,18 @@ class UnrealProtocol(TS6BaseProtocol):
# Parse all the supported channel modes. # Parse all the supported channel modes.
supported_cmodes = cap.split('=', 1)[1] supported_cmodes = cap.split('=', 1)[1]
self.cmodes['*A'], self.cmodes['*B'], self.cmodes['*C'], self.cmodes['*D'] = supported_cmodes.split(',') self.cmodes['*A'], self.cmodes['*B'], self.cmodes['*C'], self.cmodes['*D'] = supported_cmodes.split(',')
for namedmode, modechar in cmodes.items(): for namedmode, modechar in self._KNOWN_CMODES.items():
if modechar in supported_cmodes: if modechar in supported_cmodes:
self.cmodes[namedmode] = modechar self.cmodes[namedmode] = modechar
elif cap.startswith('USERMODES'): # Only for protover >= 4203
self.umodes['*D'] = supported_umodes = cap.split('=', 1)[1]
for namedmode, modechar in self._KNOWN_UMODES.items():
if modechar in supported_umodes:
self.umodes[namedmode] = modechar
# Add in the supported prefix modes. # Add in the supported prefix modes.
self.cmodes.update({'halfop': 'h', 'admin': 'a', 'owner': 'q', self.cmodes.update({'halfop': 'h', 'admin': 'a', 'owner': 'q',
'op': 'o', 'voice': 'v'}) 'op': 'o', 'voice': 'v'})
def handle_join(self, numeric, command, args): def handle_join(self, numeric, command, args):
"""Handles the UnrealIRCd JOIN command.""" """Handles the UnrealIRCd JOIN command."""