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# Copyright (C) Jean-Paul Calderone
# See LICENSE for details.
#
# Stress tester for thread-related bugs in global_passphrase_callback in
# src/ssl/context.c. In 0.7 and earlier, this will somewhat reliably
# segfault or abort after a few dozen to a few thousand iterations on an SMP
# machine (generally not on a UP machine) due to uses of Python/C API
# without holding the GIL.
from itertools import count
from threading import Thread
from OpenSSL.SSL import Context, TLSv1_METHOD
from OpenSSL.crypto import TYPE_RSA, FILETYPE_PEM, PKey, dump_privatekey
k = PKey()
k.generate_key(TYPE_RSA, 128)
file("pkey.pem", "w").write(
dump_privatekey(FILETYPE_PEM, k, "blowfish", "foobar")
)
count = count()
def go():
def cb(a, b, c):
print count.next()
return "foobar"
c = Context(TLSv1_METHOD)
c.set_passwd_cb(cb)
while 1:
c.use_privatekey_file("pkey.pem")
threads = [Thread(target=go, args=()) for i in xrange(2)]
for th in threads:
th.start()
for th in threads:
th.join()
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