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# Copyright (C) Jean-Paul Calderone
# See LICENSE for details.
from __future__ import print_function
from sys import argv, stdout
from socket import socket
from OpenSSL.SSL import TLSv1_METHOD, Context, Connection
def main():
"""
Connect to an SNI-enabled server and request a specific hostname, specified
by argv[1], of it.
"""
if len(argv) < 2:
print('Usage: %s <hostname>' % (argv[0],))
return 1
client = socket()
print('Connecting...', end="")
stdout.flush()
client.connect(('127.0.0.1', 8443))
print('connected', client.getpeername())
client_ssl = Connection(Context(TLSv1_METHOD), client)
client_ssl.set_connect_state()
client_ssl.set_tlsext_host_name(argv[1])
client_ssl.do_handshake()
print('Server subject is', client_ssl.get_peer_certificate().get_subject())
client_ssl.close()
if __name__ == '__main__':
import client
raise SystemExit(client.main())
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