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ts6: use new-style module design (#156)
This commit is contained in:
James Lu
parent
a220659eaf
commit
814ebc9fe0
152
protocols/ts6.py
152
protocols/ts6.py
@ -25,6 +25,8 @@ class TS6Protocol(TS6BaseProtocol):
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self.sidgen = utils.TS6SIDGenerator(self.irc)
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self.uidgen = {}
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### OUTGOING COMMANDS
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def spawnClient(self, nick, ident='null', host='null', realhost=None, modes=set(),
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server=None, ip='0.0.0.0', realname=None, ts=None, opertype=None,
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manipulatable=False):
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@ -235,6 +237,8 @@ class TS6Protocol(TS6BaseProtocol):
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else:
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self._send(source, 'PING %s' % source)
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### Core / handlers
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def connect(self):
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"""Initializes a connection to a server."""
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ts = self.irc.start_ts
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@ -329,88 +333,60 @@ class TS6Protocol(TS6BaseProtocol):
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f('SERVER %s 0 :%s' % (self.irc.serverdata["hostname"],
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self.irc.serverdata.get('serverdesc') or self.irc.botdata['serverdesc']))
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def handle_events(self, data):
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"""Generic event handler for the TS6 protocol: does protocol negotation
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and passes commands to handle_ABCD() functions elsewhere in this module."""
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# TS6 messages:
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# :42X COMMAND arg1 arg2 :final long arg
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# :42XAAAAAA PRIVMSG #somewhere :hello!
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args = data.split(" ")
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if not args:
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# No data??
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return
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if args[0] == 'PASS':
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# <- PASS $somepassword TS 6 :42X
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if args[1] != self.irc.serverdata['recvpass']:
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# Check if recvpass is correct
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raise ProtocolError('Error: recvpass from uplink server %s does not match configuration!' % servername)
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if 'TS 6' not in data:
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raise ProtocolError("Remote protocol version is too old! Is this even TS6?")
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# Server name and SID are sent in different messages, grr
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numeric = data.rsplit(':', 1)[1]
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log.debug('(%s) Found uplink SID as %r', self.irc.name, numeric)
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self.irc.servers[numeric] = IrcServer(None, 'unknown')
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self.irc.uplink = numeric
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return
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elif args[0] == 'SERVER':
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# <- SERVER charybdis.midnight.vpn 1 :charybdis test server
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sname = args[1].lower()
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log.debug('(%s) Found uplink server name as %r', self.irc.name, sname)
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self.irc.servers[self.irc.uplink].name = sname
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self.irc.servers[self.irc.uplink].desc = ' '.join(args).split(':', 1)[1]
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# According to the TS6 protocol documentation, we should send SVINFO
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# when we get our uplink's SERVER command.
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self.irc.send('SVINFO 6 6 0 :%s' % int(time.time()))
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elif args[0] == 'SQUIT':
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# What? Charybdis send this in a different format!
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# <- SQUIT 00A :Remote host closed the connection
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split_server = args[1]
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res = self.handle_squit(split_server, 'SQUIT', [split_server])
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self.irc.callHooks([split_server, 'SQUIT', res])
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elif args[0] == 'CAPAB':
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# We only get a list of keywords here. Charybdis obviously assumes that
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# we know what modes it supports (indeed, this is a standard list).
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# <- CAPAB :BAN CHW CLUSTER ENCAP EOPMOD EUID EX IE KLN KNOCK MLOCK QS RSFNC SAVE SERVICES TB UNKLN
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self.irc.caps = caps = data.split(':', 1)[1].split()
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for required_cap in ('EUID', 'SAVE', 'TB', 'ENCAP', 'QS'):
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if required_cap not in caps:
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raise ProtocolError('%s not found in TS6 capabilities list; this is required! (got %r)' % (required_cap, caps))
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def handle_pass(self, numeric, command, args):
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"""
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Handles the PASS command, used to send the server's SID and negotiate
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passwords on connect.
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"""
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# <- PASS $somepassword TS 6 :42X
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if 'EX' in caps:
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self.irc.cmodes['banexception'] = 'e'
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if 'IE' in caps:
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self.irc.cmodes['invex'] = 'I'
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if 'SERVICES' in caps:
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self.irc.cmodes['regonly'] = 'r'
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if args[0] != self.irc.serverdata['recvpass']:
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# Check if recvpass is correct
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raise ProtocolError('Recvpass from uplink server %s does not match configuration!' % servername)
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log.debug('(%s) self.irc.connected set!', self.irc.name)
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self.irc.connected.set()
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if args[1] != 'TS' and args[2] != '6':
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raise ProtocolError("Remote protocol version is too old! Is this even TS6?")
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# Charybdis doesn't have the idea of an explicit endburst; but some plugins
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# like relay require it to know that the network's connected.
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# We'll set a timer to manually call endburst. It's not beautiful,
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# but it's the best we can do.
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endburst_timer = threading.Timer(1, self.irc.callHooks, args=([self.irc.uplink, 'ENDBURST', {}],))
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log.debug('(%s) Starting delay to send ENDBURST', self.irc.name)
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endburst_timer.start()
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try:
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args = self.parseTS6Args(args)
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numeric = args[-1]
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log.debug('(%s) Found uplink SID as %r', self.irc.name, numeric)
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numeric = args[0]
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command = args[1]
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args = args[2:]
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except IndexError:
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return
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# Server name and SID are sent in different messages, so we fill this
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# with dummy information until we get the actual sid.
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self.irc.servers[numeric] = IrcServer(None, '')
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self.irc.uplink = numeric
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# We will do wildcard command handling here. Unhandled commands are just ignored.
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try:
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func = getattr(self, 'handle_'+command.lower())
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except AttributeError: # Unhandled command
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pass
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else:
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parsed_args = func(numeric, command, args)
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if parsed_args is not None:
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return [numeric, command, parsed_args]
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def handle_capab(self, numeric, command, args):
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"""
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Handles the CAPAB command, used for TS6 capability negotiation.
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"""
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# We only get a list of keywords here. Charybdis obviously assumes that
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# we know what modes it supports (indeed, this is a standard list).
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# <- CAPAB :BAN CHW CLUSTER ENCAP EOPMOD EUID EX IE KLN KNOCK MLOCK QS RSFNC SAVE SERVICES TB UNKLN
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self.irc.caps = caps = args[0].split()
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for required_cap in ('EUID', 'SAVE', 'TB', 'ENCAP', 'QS'):
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if required_cap not in caps:
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raise ProtocolError('%s not found in TS6 capabilities list; this is required! (got %r)' % (required_cap, caps))
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if 'EX' in caps:
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self.irc.cmodes['banexception'] = 'e'
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if 'IE' in caps:
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self.irc.cmodes['invex'] = 'I'
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if 'SERVICES' in caps:
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self.irc.cmodes['regonly'] = 'r'
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log.debug('(%s) self.irc.connected set!', self.irc.name)
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self.irc.connected.set()
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# Charybdis doesn't have the idea of an explicit endburst; but some plugins
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# like relay require it to know that the network's connected.
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# We'll set a timer to manually call endburst. It's not beautiful,
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# but it's the best we can do.
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endburst_timer = threading.Timer(1, self.irc.callHooks,
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args=([self.irc.uplink, 'ENDBURST', {}],))
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log.debug('(%s) Starting delay to send ENDBURST', self.irc.name)
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endburst_timer.start()
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def handle_ping(self, source, command, args):
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"""Handles incoming PING commands."""
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@ -529,10 +505,26 @@ class TS6Protocol(TS6BaseProtocol):
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self.irc.servers[sid] = IrcServer(numeric, servername, desc=sdesc)
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return {'name': servername, 'sid': sid, 'text': sdesc}
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def handle_server(self, sender, command, args):
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"""Handles incoming legacy (no SID) server introductions."""
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def handle_server(self, numeric, command, args):
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"""
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Handles 1) incoming legacy (no SID) server introductions,
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2) Sending server data in initial connection.
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"""
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if numeric == self.irc.uplink and not self.irc.servers[numeric].name:
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# <- SERVER charybdis.midnight.vpn 1 :charybdis test server
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sname = args[0].lower()
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log.debug('(%s) Found uplink server name as %r', self.irc.name, sname)
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self.irc.servers[numeric].name = sname
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self.irc.servers[numeric].desc = args[-1]
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# According to the TS6 protocol documentation, we should send SVINFO
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# when we get our uplink's SERVER command.
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self.irc.send('SVINFO 6 6 0 :%s' % int(time.time()))
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return
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# <- :services.int SERVER a.bc 2 :(H) [GL] a
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numeric = self._getSid(sender) # Convert the server name prefix to a SID.
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servername = args[0].lower()
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sdesc = args[-1]
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self.irc.servers[servername] = IrcServer(numeric, servername, desc=sdesc)
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