def setNetworkBan(self, cidr, on_off):
# See if this is a valid 1.2.3.4/5 CIDR string.
try:
ipmask = ipv4.CidrStringToIPMask(cidr)
except ValueError, e:
LOG.error("Bad CIDR string: %s")
return
def setNetworkBan(self, cidr, on_off):
# See if this is a valid 1.2.3.4/5 CIDR string.
try:
ipmask = ipv4.CidrStringToIPMask(cidr)
except ValueError, e:
LOG.error("Bad CIDR string: %s")
return
def handleCmd_ENDBURST(self, prefix, args):
if self.ism.syncd:
# FIXME
LOG.warning("Ignoring ENDBURST")
return
CHECK(self.server_name)
LOG.info("Finished receiving IRC sync data.")
self.showirc = True
# Check for conflicting bridges.
if self.ism.findConflictingBridge():
LOG.error("My nick prefix is in use! Terminating.")
self.transport.loseConnection()
reactor.stop()
return
# Set up nick reservation
scfg = getServiceConfig()
self.ism.killConflictingUsers()
self.sendLine(":%s ADDLINE Q %s* %s %d 0 :%s" %
(self.sid, cfg.dc_to_irc_prefix, scfg.my_host,
time.time(), self.qline_reason))
# Send my own bridge nick
self.pushBotJoin(do_nick=True)
# When we enter the syncd state, register this instance with Dtella.
# This will eventually trigger event_DtellaUp, where we send our state.
self.schedulePing()
self.ism.addMeToMain()
def handleCmd_EOS(self, prefix, args):
if prefix != self.server_name:
return
if self.ism.syncd:
return
LOG.info("Finished receiving IRC sync data.")
self.showirc = True
# Check for conflicting bridges.
if self.ism.findConflictingBridge():
LOG.error("My nick prefix is in use! Terminating.")
self.transport.loseConnection()
reactor.stop()
return
# Set up nick reservation
scfg = getServiceConfig()
self.sendLine("TKL + Q * %s* %s 0 %d :Reserved for Dtella" %
(cfg.dc_to_irc_prefix, scfg.my_host, time.time()))
self.ism.killConflictingUsers()
# Send my own bridge nick
self.pushBotJoin(do_nick=True)
# When we enter the syncd state, register this instance with Dtella.
# This will eventually trigger event_DtellaUp, where we send our state.
self.schedulePing()
self.ism.addMeToMain()
def handleCmd_ENDBURST(self, prefix, args):
if self.ism.syncd:
# FIXME
LOG.warning("Ignoring ENDBURST")
return
CHECK(self.server_name)
LOG.info("Finished receiving IRC sync data.")
self.showirc = True
# Check for conflicting bridges.
if self.ism.findConflictingBridge():
LOG.error("My nick prefix is in use! Terminating.")
self.transport.loseConnection()
reactor.stop()
return
# Set up nick reservation
scfg = getServiceConfig()
self.ism.killConflictingUsers()
self.sendLine(
":%s ADDLINE Q %s* %s %d 0 :%s" %
(self.sid, cfg.dc_to_irc_prefix, scfg.my_host,
time.time(), self.qline_reason))
# Send my own bridge nick
self.pushBotJoin(do_nick=True)
# When we enter the syncd state, register this instance with Dtella.
# This will eventually trigger event_DtellaUp, where we send our state.
self.schedulePing()
self.ism.addMeToMain()
def handleCmd_TKL(self, prefix, args):
addrem = args[0]
kind = args[1]
if addrem == '+':
on_off = True
elif addrem == '-':
on_off = False
else:
LOG.error("TKL: invalid modifier: '%s'" % addrem)
return
# :irc1.dhirc.com TKL + Z * 128.10.12.0/24 [email protected] 0 1171427130 :no reason
if kind == 'Z' and args[2] == '*':
cidr = args[3]
self.ism.setNetworkBan(cidr, on_off)
# :%s TKL + Q * %s* %s 0 %d :Reserved for Dtella
elif kind == 'Q':
nickmask = args[3]
if on_off:
reason = args[-1]
self.ism.addQLine(nickmask, reason)
else:
self.ism.removeQLine(nickmask)
def handleCmd_EOS(self, prefix, args):
if prefix != self.server_name:
return
if self.ism.syncd:
return
LOG.info("Finished receiving IRC sync data.")
self.showirc = True
# Check for conflicting bridges.
if self.ism.findConflictingBridge():
LOG.error("My nick prefix is in use! Terminating.")
self.transport.loseConnection()
reactor.stop()
return
# Set up nick reservation
scfg = getServiceConfig()
self.sendLine(
"TKL + Q * %s* %s 0 %d :Reserved for Dtella" %
(cfg.dc_to_irc_prefix, scfg.my_host, time.time()))
self.ism.killConflictingUsers()
# Send my own bridge nick
self.pushBotJoin(do_nick=True)
# When we enter the syncd state, register this instance with Dtella.
# This will eventually trigger event_DtellaUp, where we send our state.
self.schedulePing()
self.ism.addMeToMain()
def handleCmd_TKL(self, prefix, args):
addrem = args[0]
kind = args[1]
if addrem == '+':
on_off = True
elif addrem == '-':
on_off = False
else:
LOG.error("TKL: invalid modifier: '%s'" % addrem)
return
# :irc1.dhirc.com TKL + Z * 128.10.12.0/24 [email protected] 0 1171427130 :no reason
if kind == 'Z' and args[2] == '*':
cidr = args[3]
self.ism.setNetworkBan(cidr, on_off)
# :%s TKL + Q * %s* %s 0 %d :Reserved for Dtella
elif kind == 'Q':
nickmask = args[3]
if on_off:
reason = args[-1]
self.ism.addQLine(nickmask, reason)
else:
self.ism.removeQLine(nickmask)
def removeQLine(self, nickmask):
self.qlines.pop(nickmask, None)
LOG.info("Removed Q-line: " + nickmask)
# If some other bridge removes our reservation, abort.
if self.syncd and (nickmask == cfg.dc_to_irc_prefix + "*"):
LOG.error("My own Q-line was removed! Terminating.")
if self.ircs:
self.ircs.transport.loseConnection()
reactor.stop()
def removeQLine(self, nickmask):
self.qlines.pop(nickmask, None)
LOG.info("Removed Q-line: " + nickmask)
# If some other bridge removes our reservation, abort.
if self.syncd and (nickmask == cfg.dc_to_irc_prefix + "*"):
LOG.error("My own Q-line was removed! Terminating.")
if self.ircs:
self.ircs.transport.loseConnection()
reactor.stop()
def cb():
self.ping_dcall = None
if self.ping_waiting:
LOG.error("Ping timeout!")
self.transport.loseConnection()
else:
scfg = getServiceConfig()
self.sendLine("PING :%s" % scfg.my_host)
self.ping_waiting = True
self.ping_dcall = reactor.callLater(60.0, cb)
def cb():
self.ping_dcall = None
if self.ping_waiting:
LOG.error("Ping timeout!")
self.transport.loseConnection()
else:
scfg = getServiceConfig()
self.sendLine("PING :%s" % scfg.my_host)
self.ping_waiting = True
self.ping_dcall = reactor.callLater(60.0, cb)
def startConnecting(self):
udp_state = self.ph.getSocketState()
if udp_state == 'dead':
try:
reactor.listenUDP(cfg.udp_port, self.ph)
except twisted.internet.error.BindError:
LOG.error("Failed to bind UDP port!")
raise SystemExit
elif udp_state == 'dying':
return
CHECK(self.ph.getSocketState() == 'alive')
self.startInitialContact()
def startConnecting(self):
udp_state = self.ph.getSocketState()
if udp_state == 'dead':
try:
reactor.listenUDP(cfg.udp_port, self.ph)
except twisted.internet.error.BindError:
LOG.error("Failed to bind UDP port!")
raise SystemExit
elif udp_state == 'dying':
return
CHECK(self.ph.getSocketState() == 'alive')
self.startInitialContact()
def cb(first):
try:
reactor.listenTCP(dc_port, dfactory, interface='127.0.0.1')
except twisted.internet.error.CannotListenError:
if first:
LOG.warning("TCP bind failed. Killing old process...")
if terminate(dc_port):
LOG.info("Ok. Sleeping...")
reactor.callLater(2.0, cb, False)
else:
LOG.error("Kill failed. Giving up.")
reactor.stop()
else:
LOG.error("Bind failed again. Giving up.")
reactor.stop()
else:
LOG.info("Listening on 127.0.0.1:%d" % dc_port)
dtMain.startConnecting()
def cb(first):
try:
reactor.listenTCP(dc_port, dfactory, interface='127.0.0.1')
except twisted.internet.error.CannotListenError:
if first:
LOG.warning("TCP bind failed. Killing old process...")
if terminate(dc_port):
LOG.info("Ok. Sleeping...")
reactor.callLater(2.0, cb, False)
else:
LOG.error("Kill failed. Giving up.")
reactor.stop()
else:
LOG.error("Bind failed again. Giving up.")
reactor.stop()
else:
LOG.info("Listening on 127.0.0.1:%d" % dc_port)
dtMain.startConnecting()
def joinChannel(self, u):
if u in self.chanusers:
LOG.error("joinChannel: %r already in channel." % u)
return
self.chanusers.add(u)
u.chanmodes.clear()
try:
osm = self.getOnlineStateManager()
except NotOnline:
return
scfg = getServiceConfig()
infoindex = scfg.chan_umodes.getUserInfoIndex(u)
chunks = []
osm.bsm.addNickChunk(chunks, irc_to_dc(u.inick), infoindex)
osm.bsm.sendBridgeChange(chunks)
def joinChannel(self, u):
if u in self.chanusers:
LOG.error("joinChannel: %r already in channel." % u)
return
self.chanusers.add(u)
u.chanmodes.clear()
try:
osm = self.getOnlineStateManager()
except NotOnline:
return
scfg = getServiceConfig()
infoindex = scfg.chan_umodes.getUserInfoIndex(u)
chunks = []
osm.bsm.addNickChunk(
chunks, irc_to_dc(u.inick), infoindex)
osm.bsm.sendBridgeChange(chunks)
def setChannelUserModes(self, whoset, u, changes):
# changes: dict of {mode -> on_off}
if u not in self.chanusers:
LOG.error("setChannelUserModes: %r not in channel." % u)
return
scfg = getServiceConfig()
# Save old index, apply changes, and get new index.
old_infoindex = scfg.chan_umodes.getUserInfoIndex(u)
for mode, on_off in changes.iteritems():
if on_off:
u.chanmodes.add(mode)
else:
u.chanmodes.discard(mode)
new_infoindex = scfg.chan_umodes.getUserInfoIndex(u)
try:
osm = self.getOnlineStateManager()
except NotOnline:
return
chunks = []
if new_infoindex == old_infoindex:
friendly_change = "well that was pointless"
else:
friendly_change = "%s -> %s" % (
scfg.chan_umodes.friendly[old_infoindex],
scfg.chan_umodes.friendly[new_infoindex])
osm.bsm.addNickChunk(
chunks, irc_to_dc(u.inick), new_infoindex)
osm.bsm.addChatChunk(
chunks, cfg.irc_to_dc_bot,
"%s set mode %s for %s: %s" % (
irc_to_dc(whoset),
self.formatChannelUserModes(changes),
irc_to_dc(u.inick),
friendly_change))
osm.bsm.sendBridgeChange(chunks)
def handleCmd_SQUIT(self, prefix, args):
# :n.dhirc.com SQUIT remote.dtella.org :Remote host closed
hostname = args[0]
try:
# All servers have been registered as users.
sid = self.ism.findUser(hostname).uuid.lower()
if len(sid) != 3:
raise KeyError
except KeyError:
LOG.error("SQUIT: unknown server: %s" % hostname)
return
# Find all the users belonging to this server. This should
# never match nicks, because only UUIDs start with a number.
remove_uuids = [uuid for uuid in self.ism.users
if uuid.startswith(sid)]
# Drop them off the network.
for uuid in remove_uuids:
LOG.info("SQUIT: removing user: %s" % uuid)
self.ism.removeUser(self.ism.findUser(uuid))
def handleCmd_SQUIT(self, prefix, args):
# :n.dhirc.com SQUIT remote.dtella.org :Remote host closed
hostname = args[0]
try:
# All servers have been registered as users.
sid = self.ism.findUser(hostname).uuid.lower()
if len(sid) != 3:
raise KeyError
except KeyError:
LOG.error("SQUIT: unknown server: %s" % hostname)
return
# Find all the users belonging to this server. This should
# never match nicks, because only UUIDs start with a number.
remove_uuids = [
uuid for uuid in self.ism.users if uuid.startswith(sid)
]
# Drop them off the network.
for uuid in remove_uuids:
LOG.info("SQUIT: removing user: %s" % uuid)
self.ism.removeUser(self.ism.findUser(uuid))
def setChannelUserModes(self, whoset, u, changes):
# changes: dict of {mode -> on_off}
if u not in self.chanusers:
LOG.error("setChannelUserModes: %r not in channel." % u)
return
scfg = getServiceConfig()
# Save old index, apply changes, and get new index.
old_infoindex = scfg.chan_umodes.getUserInfoIndex(u)
for mode, on_off in changes.iteritems():
if on_off:
u.chanmodes.add(mode)
else:
u.chanmodes.discard(mode)
new_infoindex = scfg.chan_umodes.getUserInfoIndex(u)
try:
osm = self.getOnlineStateManager()
except NotOnline:
return
chunks = []
if new_infoindex == old_infoindex:
friendly_change = "well that was pointless"
else:
friendly_change = "%s -> %s" % (
scfg.chan_umodes.friendly[old_infoindex],
scfg.chan_umodes.friendly[new_infoindex])
osm.bsm.addNickChunk(chunks, irc_to_dc(u.inick), new_infoindex)
osm.bsm.addChatChunk(
chunks, cfg.irc_to_dc_bot, "%s set mode %s for %s: %s" %
(irc_to_dc(whoset), self.formatChannelUserModes(changes),
irc_to_dc(u.inick), friendly_change))
osm.bsm.sendBridgeChange(chunks)
def handleCmd_ADDLINE(self, prefix, args):
kind = args[0]
# :268 ADDLINE Z 69.69.69.69 <Config> 1237917434 0 :hello
if kind == 'Z':
cidr = args[1]
self.ism.setNetworkBan(cidr, True)
# :268 ADDLINE Q [P]* setter 1238300707 0 :Reserved
elif kind == 'Q':
nickmask = args[1]
timeset = int(args[3])
reason = args[-1]
if self.ism.syncd and nickmask == cfg.dc_to_irc_prefix + "*":
# If reason matches, it's a self-echo. Otherwise, someone
# took my prefix first.
if reason != self.qline_reason:
LOG.error("Someone stole my Q-line! Terminating.")
self.transport.loseConnection()
reactor.stop()
return
self.ism.addQLine(nickmask, reason)
def handleCmd_ADDLINE(self, prefix, args):
kind = args[0]
# :268 ADDLINE Z 69.69.69.69 <Config> 1237917434 0 :hello
if kind == 'Z':
cidr = args[1]
self.ism.setNetworkBan(cidr, True)
# :268 ADDLINE Q [P]* setter 1238300707 0 :Reserved
elif kind == 'Q':
nickmask = args[1]
timeset = int(args[3])
reason = args[-1]
if self.ism.syncd and nickmask == cfg.dc_to_irc_prefix + "*":
# If reason matches, it's a self-echo. Otherwise, someone
# took my prefix first.
if reason != self.qline_reason:
LOG.error("Someone stole my Q-line! Terminating.")
self.transport.loseConnection()
reactor.stop()
return
self.ism.addQLine(nickmask, reason)
def handleCmd_MODE(self, prefix, args):
# :Paul MODE #dtella +vv aaahhh Big_Guy
whoset = prefix
chan = args[0]
change = args[1]
nicks = args[2:]
scfg = getServiceConfig()
if chan != scfg.channel:
return
on_off = True
i = 0
# User() -> {mode -> on_off}
user_changes = {}
# Dtella node modes that need unsetting.
unset_modes = []
unset_nicks = []
for c in change:
if c == '+':
on_off = True
elif c == '-':
on_off = False
elif c == 't':
self.ism.setTopicLocked(whoset, on_off)
elif c == 'm':
self.ism.setModerated(whoset, on_off)
elif c == 'k':
# Skip over channel key
i += 1
elif c == 'l':
# Skip over channel user limit
i += 1
elif c == 'b':
banmask = nicks[i]
i += 1
self.ism.setChannelBan(whoset, on_off, banmask)
elif c in scfg.chan_umodes.modes:
# Grab affected nick
nick = nicks[i]
i += 1
n = self.ism.findDtellaNode(inick=nick)
if n:
# If someone set a mode for a Dt node, unset it.
if on_off:
unset_modes.append(c)
unset_nicks.append(nick)
continue
# Get the IRC user we're modifying.
try:
u = self.ism.findUser(nick)
except KeyError:
LOG.error("MODE: unknown nick: %s" % nick)
continue
# Schedule a mode change for this user.
user_changes.setdefault(u, {})[c] = on_off
# Undo mode changes for Dtella nodes.
if unset_modes:
self.sendLine(
":%s MODE %s -%s %s" % (
self.ism.bot_user.inick, scfg.channel,
''.join(unset_modes), ' '.join(unset_nicks)))
# Send IRC user mode changes to Dtella
for u, changes in user_changes.iteritems():
self.ism.setChannelUserModes(whoset, u, changes)
def handleCmd_BURST(self, prefix, args):
return #FIXME
if self.ism.syncd:
LOG.error("Can't handle BURST after sync. Restarting.")
self.transport.loseConnection()
def handleCmd_BURST(self, prefix, args):
return #FIXME
if self.ism.syncd:
LOG.error("Can't handle BURST after sync. Restarting.")
self.transport.loseConnection()
def handleCmd_FMODE(self, prefix, args):
# :268AAAAAF FMODE #dtella 1238298761 +h-o 268AAAAAF 268AAAAAF
whoset_uuid = prefix
chan = args[0]
change = args[2]
margs = args[3:]
scfg = getServiceConfig()
if chan != scfg.channel:
return
try:
whoset = self.ism.findUser(whoset_uuid).inick
except KeyError:
# Could be a server?
whoset = ""
on_off = True
i = 0
# User() -> {mode -> on_off}
user_changes = {}
# Dtella node modes that need unsetting.
unset_modes = []
unset_uuids = []
for c in change:
if c == '+':
on_off = True
elif c == '-':
on_off = False
elif c == 't':
self.ism.setTopicLocked(whoset, on_off)
elif c == 'm':
self.ism.setModerated(whoset, on_off)
elif c == 'k':
# Skip over channel key
i += 1
elif c == 'l':
# Skip over channel user limit
i += 1
elif c == 'b':
banmask = margs[i]
i += 1
self.ism.setChannelBan(whoset, on_off, banmask)
elif c in scfg.chan_umodes.modes:
# Grab affected user
uuid = margs[i]
i += 1
n = self.ism.findDtellaNode(inick=uuid)
if n:
# If someone set a mode for a Dt node, unset it.
if on_off:
unset_modes.append(c)
unset_uuids.append(uuid)
continue
# Get the IRC user we're modifying.
try:
u = self.ism.findUser(uuid)
except KeyError:
LOG.error("MODE: unknown user: %s" % uuid)
continue
# Schedule a mode change for this user.
user_changes.setdefault(u, {})[c] = on_off
# Undo mode changes for Dtella nodes.
if unset_modes:
self.sendLine(
":%s FMODE %s %d -%s %s" %
(self.ism.bot_user.uuid, scfg.channel, self.chan_time,
''.join(unset_modes), ' '.join(unset_uuids)))
# Send IRC user mode changes to Dtella
for u, changes in user_changes.iteritems():
self.ism.setChannelUserModes(whoset, u, changes)
def handleCmd_FMODE(self, prefix, args):
# :268AAAAAF FMODE #dtella 1238298761 +h-o 268AAAAAF 268AAAAAF
whoset_uuid = prefix
chan = args[0]
change = args[2]
margs = args[3:]
scfg = getServiceConfig()
if chan != scfg.channel:
return
try:
whoset = self.ism.findUser(whoset_uuid).inick
except KeyError:
# Could be a server?
whoset = ""
on_off = True
i = 0
# User() -> {mode -> on_off}
user_changes = {}
# Dtella node modes that need unsetting.
unset_modes = []
unset_uuids = []
for c in change:
if c == '+':
on_off = True
elif c == '-':
on_off = False
elif c == 't':
self.ism.setTopicLocked(whoset, on_off)
elif c == 'm':
self.ism.setModerated(whoset, on_off)
elif c == 'k':
# Skip over channel key
i += 1
elif c == 'l':
# Skip over channel user limit
i += 1
elif c == 'b':
banmask = margs[i]
i += 1
self.ism.setChannelBan(whoset, on_off, banmask)
elif c in scfg.chan_umodes.modes:
# Grab affected user
uuid = margs[i]
i += 1
n = self.ism.findDtellaNode(inick=uuid)
if n:
# If someone set a mode for a Dt node, unset it.
if on_off:
unset_modes.append(c)
unset_uuids.append(uuid)
continue
# Get the IRC user we're modifying.
try:
u = self.ism.findUser(uuid)
except KeyError:
LOG.error("MODE: unknown user: %s" % uuid)
continue
# Schedule a mode change for this user.
user_changes.setdefault(u, {})[c] = on_off
# Undo mode changes for Dtella nodes.
if unset_modes:
self.sendLine(
":%s FMODE %s %d -%s %s" %
(self.ism.bot_user.uuid, scfg.channel, self.chan_time,
''.join(unset_modes), ' '.join(unset_uuids)))
# Send IRC user mode changes to Dtella
for u, changes in user_changes.iteritems():
self.ism.setChannelUserModes(whoset, u, changes)
def handleCmd_MODE(self, prefix, args):
# :Paul MODE #dtella +vv aaahhh Big_Guy
whoset = prefix
chan = args[0]
change = args[1]
nicks = args[2:]
scfg = getServiceConfig()
if chan != scfg.channel:
return
on_off = True
i = 0
# User() -> {mode -> on_off}
user_changes = {}
# Dtella node modes that need unsetting.
unset_modes = []
unset_nicks = []
for c in change:
if c == '+':
on_off = True
elif c == '-':
on_off = False
elif c == 't':
self.ism.setTopicLocked(whoset, on_off)
elif c == 'm':
self.ism.setModerated(whoset, on_off)
elif c == 'k':
# Skip over channel key
i += 1
elif c == 'l':
# Skip over channel user limit
i += 1
elif c == 'b':
banmask = nicks[i]
i += 1
self.ism.setChannelBan(whoset, on_off, banmask)
elif c in scfg.chan_umodes.modes:
# Grab affected nick
nick = nicks[i]
i += 1
n = self.ism.findDtellaNode(inick=nick)
if n:
# If someone set a mode for a Dt node, unset it.
if on_off:
unset_modes.append(c)
unset_nicks.append(nick)
continue
# Get the IRC user we're modifying.
try:
u = self.ism.findUser(nick)
except KeyError:
LOG.error("MODE: unknown nick: %s" % nick)
continue
# Schedule a mode change for this user.
user_changes.setdefault(u, {})[c] = on_off
# Undo mode changes for Dtella nodes.
if unset_modes:
self.sendLine(":%s MODE %s -%s %s" %
(self.ism.bot_user.inick, scfg.channel,
''.join(unset_modes), ' '.join(unset_nicks)))
# Send IRC user mode changes to Dtella
for u, changes in user_changes.iteritems():
self.ism.setChannelUserModes(whoset, u, changes)