120 lines
3.9 KiB
Python
120 lines
3.9 KiB
Python
import sys
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import socket
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import jinja2
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import paramiko
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import threading
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j2log = "Connection from: {{ ip }} ({{ port }})"
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j2send = "\n\n\nYour IP Address is {{ ip }} ({{ port }})\n\n\n\n"
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paramiko.util.log_to_file('demo_server.log')
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class rsa_key:
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data = """-----BEGIN RSA PRIVATE KEY-----
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MIICWgIBAAKBgQDTj1bqB4WmayWNPB+8jVSYpZYk80Ujvj680pOTh2bORBjbIAyz
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oWGW+GUjzKxTiiPvVmxFgx5wdsFvF03v34lEVVhMpouqPAYQ15N37K/ir5XY+9m/
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d8ufMCkjeXsQkKqFbAlQcnWMCRnOoPHS3I4vi6hmnDDeeYTSRvfLbW0fhwIBIwKB
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gBIiOqZYaoqbeD9OS9z2K9KR2atlTxGxOJPXiP4ESqP3NVScWNwyZ3NXHpyrJLa0
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EbVtzsQhLn6rF+TzXnOlcipFvjsem3iYzCpuChfGQ6SovTcOjHV9z+hnpXvQ/fon
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soVRZY65wKnF7IAoUwTmJS9opqgrN6kRgCd3DASAMd1bAkEA96SBVWFt/fJBNJ9H
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tYnBKZGw0VeHOYmVYbvMSstssn8un+pQpUm9vlG/bp7Oxd/m+b9KWEh2xPfv6zqU
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avNwHwJBANqzGZa/EpzF4J8pGti7oIAPUIDGMtfIcmqNXVMckrmzQ2vTfqtkEZsA
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4rE1IERRyiJQx6EJsz21wJmGV9WJQ5kCQQDwkS0uXqVdFzgHO6S++tjmjYcxwr3g
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H0CoFYSgbddOT6miqRskOQF3DZVkJT3kyuBgU2zKygz52ukQZMqxCb1fAkASvuTv
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qfpH87Qq5kQhNKdbbwbmd2NxlNabazPijWuphGTdW0VfJdWfklyS2Kr+iqrs/5wV
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HhathJt636Eg7oIjAkA8ht3MQ+XSl9yIJIS8gVpbPxSw5OMfw0PjVE7tBdQruiSc
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nvuQES5C9BMHjF39LZiGH1iLQy7FgdHyoP+eodI7
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-----END RSA PRIVATE KEY-----
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"""
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def open(self):
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pass
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def close(self):
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pass
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def readlines(self):
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return self.data.split("\n")
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def __call__(self):
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return paramiko.RSAKey.from_private_key(self)
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class ssh_server (paramiko.ServerInterface):
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def __init__(self):
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self.event = threading.Event()
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def check_channel_request(self, kind, chanid):
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if kind == 'session':
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return paramiko.OPEN_SUCCEEDED
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return paramiko.OPEN_FAILED_ADMINISTRATIVELY_PROHIBITED
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def check_auth_none(self, username):
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return paramiko.AUTH_SUCCESSFUL
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def get_allowed_auths(self, username):
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return 'none'
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def check_channel_shell_request(self, channel):
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self.event.set()
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return True
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def check_channel_pty_request(self, channel, term, width, height,
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pixelwidth, pixelheight, modes):
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return True
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def j2format(j2tmp, valdict):
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template = jinja2.Template(j2tmp)
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return template.render(valdict)
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def cleanip(ip):
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if len(ip) > 6: # If this IP is not a super short v6 address
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if ip[:7] == "::ffff:": # If this is a prefixed IPv4 address
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return ip.replace("::ffff:", "") # Return the cleaned IP
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return ip # Return the uncleaned IP if not matched
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def listener(port, talker):
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listen_ip = ''
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listen_port = port
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buffer_size = 100 # Normally 1024, but we want fast response
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while True:
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sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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sock.bind((listen_ip, listen_port))
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sock.listen(buffer_size)
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client, addr = sock.accept()
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thread = threading.Thread(target=talker, args=(client, addr))
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thread.start()
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def telnet_talker(client, addr):
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valdict = {"ip": cleanip(addr[0]), "port": addr[1]}
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print(j2format(j2log, valdict))
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client.send(j2format(j2send, valdict)) # echo
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client.close()
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def ssh_talker(client, addr):
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t = paramiko.Transport(client, gss_kex=True)
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t.set_gss_host(socket.getfqdn(""))
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t.load_server_moduli()
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t.add_server_key(rsa_key()())
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server = ssh_server()
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t.start_server(server=server)
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chan = t.accept(20)
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server.event.wait(10)
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valdict = {"ip": cleanip(addr[0]), "port": addr[1]}
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#chan.send(j2format(j2log, valdict))
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chan.send('\r\n\r\n%s\r\n\r\n' % j2format(j2send, valdict))
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chan.makefile('rU').readline().strip('\r\n')
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chan.close()
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def start():
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talkers = {2200: ssh_talker, 23: telnet_talker}
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for talker in talkers:
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thread = threading.Thread(target=listener, args=(talker, talkers[talker]))
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thread.daemon = False
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thread.start()
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if __name__ == "__main__":
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start()
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