Limnoria/tools/identd.py

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1.5 KiB
Python
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2003-03-12 07:26:59 +01:00
#!/usr/local/bin/python -u
import asyncore
import asynchat
import socket
from random import randrange
import os
class identd_server(asyncore.dispatcher):
def __init__(self, limit=10):
asyncore.dispatcher.__init__(self)
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
self.set_reuse_addr()
self.helpers = []
self.limit = limit
os.chdir('/')
self.bind(('', 113))
os.setgid(25000)
os.setuid(25000)
self.listen(5)
def handle_accept(self):
self.helpers.append(identd_helper(self.accept()))
if len(self.helpers) > self.limit:
i = self.helpers.pop(0)
i.close()
class identd_helper(asynchat.async_chat):
def __init__(self, (sock, addr)):
asynchat.async_chat.__init__(self, sock)
self.sock = sock
self.set_terminator('\r\n')
self.buffer = ''
def collect_incoming_data(self, data):
self.buffer = self.buffer + data
if len(self.buffer) > 512:
self.close()
def found_terminator(self):
self.send('%s : USERID : DOS : user%d\r\n' % (self.buffer, randrange(10000)))
self.close()
if __name__ == '__main__':
import sys
sys.stdin.close()
sys.stdout.close()
sys.stderr.close()
if os.fork() != 0:
sys.exit(0)
os.setsid()
s = identd_server()
os.chdir('/')
os.setgid(25000)
os.setuid(25000)
os.umask(0)
if os.fork() != 0:
sys.exit(0)
asyncore.loop()