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# Test just the SSL support in the socket module, in a moderately bogus way.
import sys
from test import test_support
import socket
import errno
# Optionally test SSL support. This requires the 'network' resource as given
# on the regrtest command line.
skip_expected = not (test_support.is_resource_enabled('network') and
hasattr(socket, "ssl"))
def test_basic():
test_support.requires('network')
import urllib
if test_support.verbose:
print("test_basic ...")
socket.RAND_status()
try:
socket.RAND_egd(1)
except TypeError:
pass
else:
print("didn't raise TypeError")
socket.RAND_add("this is a random string", 75.0)
f = urllib.urlopen('https://sf.net')
buf = f.read()
f.close()
def test_timeout():
test_support.requires('network')
def error_msg(extra_msg):
print("""\
WARNING: an attempt to connect to %r %s, in
test_timeout. That may be legitimate, but is not the outcome we hoped
for. If this message is seen often, test_timeout should be changed to
use a more reliable address.""" % (ADDR, extra_msg), file=sys.stderr)
if test_support.verbose:
print("test_timeout ...")
# A service which issues a welcome banner (without need to write
# anything).
# XXX ("gmail.org", 995) has been unreliable so far, from time to time
# XXX non-responsive for hours on end (& across all buildbot slaves,
# XXX so that's not just a local thing).
ADDR = "gmail.org", 995
s = socket.socket()
s.settimeout(30.0)
try:
s.connect(ADDR)
except socket.timeout:
error_msg('timed out')
return
except socket.error as exc: # In case connection is refused.
if exc.args[0] == errno.ECONNREFUSED:
error_msg('was refused')
return
else:
raise
ss = socket.ssl(s)
# Read part of return welcome banner twice.
ss.read(1)
ss.read(1)
s.close()
def test_rude_shutdown():
if test_support.verbose:
print("test_rude_shutdown ...")
try:
import threading
except ImportError:
return
# Some random port to connect to.
PORT = [9934]
listener_ready = threading.Event()
listener_gone = threading.Event()
# `listener` runs in a thread. It opens a socket listening on PORT, and
# sits in an accept() until the main thread connects. Then it rudely
# closes the socket, and sets Event `listener_gone` to let the main thread
# know the socket is gone.
def listener():
s = socket.socket()
PORT[0] = test_support.bind_port(s, '', PORT[0])
s.listen(5)
listener_ready.set()
s.accept()
s = None # reclaim the socket object, which also closes it
listener_gone.set()
def connector():
listener_ready.wait()
s = socket.socket()
s.connect(('localhost', PORT[0]))
listener_gone.wait()
try:
ssl_sock = socket.ssl(s)
except socket.sslerror:
pass
else:
raise test_support.TestFailed(
'connecting to closed SSL socket should have failed')
t = threading.Thread(target=listener)
t.start()
connector()
t.join()
def test_main():
if not hasattr(socket, "ssl"):
raise test_support.TestSkipped("socket module has no ssl support")
test_rude_shutdown()
test_basic()
test_timeout()
if __name__ == "__main__":
test_main()
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