[tripe] / contrib / greet.in

#! @PYTHON@
### greet HOST PORT CHALLENGE
### Sends a TrIPE greeting packet to the server listening on HOST and PORT.
### The payload is the base64-encoded CHALLENGE.

import socket as S
from sys import argv

def db64(s):
  return (s + '='*((-len(s))%4)).decode('base64')

ai, chal = (lambda _, h, p, c:
            (S.getaddrinfo(h, p, S.AF_UNSPEC, S.SOCK_DGRAM, S.IPPROTO_UDP,
                             S.AI_NUMERICHOST | S.AI_NUMERICSERV)[0],
             db64(c)))(*argv)
sk = S.socket(ai[0], S.SOCK_DGRAM)
sk.connect(ai[4])

pkt = '\x25' + chal
sk.send(pkt)
Commit	Line	Data
5d60949f MW	1	#! @PYTHON@
	2	### greet HOST PORT CHALLENGE
	3	### Sends a TrIPE greeting packet to the server listening on HOST and PORT.
	4	### The payload is the base64-encoded CHALLENGE.
	5
	6	import socket as S
	7	from sys import argv
	8
	9	def db64(s):
	10	return (s + '='*((-len(s))%4)).decode('base64')
	11
80a11374 MW	12	ai, chal = (lambda _, h, p, c:
	13	(S.getaddrinfo(h, p, S.AF_UNSPEC, S.SOCK_DGRAM, S.IPPROTO_UDP,
	14	S.AI_NUMERICHOST \| S.AI_NUMERICSERV)[0],
	15	db64(c)))(*argv)
	16	sk = S.socket(ai[0], S.SOCK_DGRAM)
	17	sk.connect(ai[4])
5d60949f MW	18
	19	pkt = '\x25' + chal
	20	sk.send(pkt)