/usr/share/pyshared/gplugs/tcp.py is in gozerbot 0.99.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
#
""" allow incoming tcp connection for messaging """
__copyright__ = 'this file is in the public domain'
from gozerbot.fleet import fleet
from gozerbot.generic import rlog, handle_exception, strippedtxt, lockdec
from gozerbot.persist.persistconfig import PersistConfig
from gozerbot.config import config
from gozerbot.plughelp import plughelp
from gozerbot.partyline import partyline
from gozerbot.threads.thr import start_new_thread
from gozerbot.contrib.rijndael import rijndael
import socket, re, time, Queue
plughelp.add('tcp' , 'run the tcp listen thread')
cfg = PersistConfig()
cfg.define('tcp', 0) # set to 1 to enable
cfg.define('tcpparty', 0)
cfg.define('tcpipv6', 0)
cfg.define('tcpmasks', ['192.168*', ])
cfg.define('tcphost', "localhost")
cfg.define('tcpport', 5500)
cfg.define('tcpallow', ["127.0.0.1", ])
cfg.define('tcpallowednicks', ["#gozerbot", "dunker"])
cfg.define('tcppassword', "mekker", exposed=False)
cfg.define('tcpseed', "blablablablablaz", exposed=False) # needs to be 16 chars
cfg.define('tcpstrip', 1) # strip all chars < char(32)
cfg.define('tcpsleep', 0) # sleep in sendloop .. can be used to delay packet traffic
cfg.define('tdpdblog', 0)
cfg.define('tcpbot', 'default')
def _inmask(addr):
""" check if addr matches a mask """
if not cfg['tcpmasks']:
return False
for i in cfg['tcpmasks']:
i = i.replace('*', '.*')
if re.match(i, addr):
return True
class Tcplistener(object):
""" listen for tcp messages """
def __init__(self):
self.outqueue = Queue.Queue()
self.queue = Queue.Queue()
self.stop = 0
if cfg['tcpipv6']:
self.sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
else:
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
try:
self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
except:
pass
self.sock.setblocking(1)
self.sock.settimeout(1)
self.loggers = []
def _outloop(self):
rlog(5, 'tcp', 'starting outloop')
while not self.stop:
(printto, txt) = self.outqueue.get()
if self.stop:
return
self.dosay(printto, txt)
rlog(5, 'tcp', 'stopping outloop')
def _handleloop(self):
while not self.stop:
(input, addr) = self.queue.get()
if not input or not addr:
continue
if self.stop:
break
self._handle(input, addr)
if cfg['tcpsleep']:
time.sleep(cfg['tcpsleep'] or 0.001)
rlog(5, 'tcp', 'shutting down tcplistener')
def _listen(self):
""" listen for tcp messages .. /msg via bot"""
if not cfg['tcp']:
return
try:
fleet.startok.wait()
bot = fleet.byname(cfg['tcpbot'] or 'default')
if not bot:
rlog(10, 'tcp', "can't find main bot .. not starting")
return
# get listen socket on host were running on
self.sock.bind((cfg['tcphost'], cfg['tcpport']))
self.sock.listen(1)
rlog(10, 'tcp', 'tcp listening on %s %s' % (cfg['tcphost'], \
cfg['tcpport']))
self.stop = 0
except IOError:
handle_exception()
self.sock = None
self.stop = 1
return
# loop on listening tcp socket
bot.connectok.wait()
while not self.stop:
try:
(sock, addr) = self.sock.accept()
rlog(10, 'tcp', 'connection from %s' % str(addr))
except socket.timeout:
continue
except Exception, ex:
if 'Invalid argument' in str(ex):
continue
handle_exception()
break
if cfg['tcp'] and (addr[0] in cfg['tcpallow'] or \
_inmask(addr[0])):
start_new_thread(self.handlesocket, (sock, addr))
def handlesocket(self, sock, addr):
while 1:
time.sleep(0.001)
try:
input = sock.recv(4096)
if not input:
return
except socket.timeout:
continue
except Exception, ex:
try:
(errno, errstr) = ex
except ValueError:
errno = 0
errstr = str(ex)
if errno == 4:
rlog(10, self.name, str(ex))
break
if errno == 35:
continue
else:
handle_exception()
break
if self.stop:
break
self.queue.put((input, addr))
rlog(5, 'tcp', 'shutting down main loop')
def _handle(self, input, addr):
if cfg['tcpseed']:
data = ""
for i in range(len(input)/16):
try:
data += crypt.decrypt(input[i*16:i*16+16])
except Exception, ex:
rlog(10, 'tcp', "can't decrypt: %s" % str(ex))
data = input
break
else:
data = input
if cfg['tcpstrip']:
data = strippedtxt(data)
# check if tcp is enabled and source ip is in tcpallow list
if cfg['tcp'] and (addr[0] in cfg['tcpallow'] or \
_inmask(addr[0])):
# get printto and passwd data
header = re.search('(\S+) (\S+) (.*)', data)
if header:
# check password
if header.group(1) == cfg['tcppassword']:
printto = header.group(2) # is the nick/channel
# check if printto is in allowednicks
if not printto in cfg['tcpallowednicks']:
rlog(10, 'tcp', "tcp denied %s" % printto )
return
rlog(0, 'tcp', str(addr[0]) + " tcp allowed")
text = header.group(3) # is the text
self.say(printto, text)
else:
rlog(10, 'tcp', "can't match tcppasswd from " + \
str(addr))
else:
rlog(10, 'tcp', "can't match tcp from " + str(addr[0]))
else:
rlog(10, 'tcp', 'denied tcp from ' + str(addr[0]))
def say(self, printto, txt):
self.outqueue.put((printto, txt))
def dosay(self, printto, txt):
if cfg['tcpparty'] and partyline.is_on(printto):
partyline.say_nick(printto, txt)
return
bot = fleet.getmainbot()
if not bot.jabber and not bot.cfg['nolimiter']:
time.sleep(3)
bot.say(printto, txt)
for i in self.loggers:
i.log(printto, txt)
if cfg['tcp']:
tcplistener = Tcplistener()
if cfg['tcp'] and cfg['tcpseed']:
crypt = rijndael(cfg['tcpseed'])
def init():
""" init the plugin """
if cfg['tcp']:
start_new_thread(tcplistener._listen, ())
start_new_thread(tcplistener._handleloop, ())
start_new_thread(tcplistener._outloop, ())
return 1
def shutdown():
""" shutdown the plugin """
if cfg['tcp']:
tcplistener.sock.close()
tcplistener.stop = 1
tcplistener.outqueue.put_nowait((None, None))
tcplistener.queue.put_nowait((None, None))
time.sleep(2)
return 1
if cfg['tcp'] and cfg['tcpdblog']:
from gozerbot.database.db import db
class Tcpdblog:
""" log tcp data to database """
# see tables/tcplog for table definition and add tcpdblog = 1 to
# the config file
def log(self, printto, txt):
""" do the actual logging """
try:
res = db.execute("""INSERT into tcplog(time,printto,txt)
values(%s,%s,%s) """, (time.time(), printto, txt))
except Exception, ex:
rlog(10, 'tcp', 'failed to log to db: %s' % str(ex))
return res
tcplistener.loggers.append(Udpdblog())
rlog(10, 'tcp', 'registered database tcp logger')
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