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283 lines
8.8 KiB
Python
283 lines
8.8 KiB
Python
# Test just the SSL support in the socket module, in a moderately bogus way.
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import sys
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import unittest
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from test import test_support
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import socket
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import errno
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import threading
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import subprocess
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import time
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import os
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import urllib
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import warnings
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warnings.filterwarnings(
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'ignore',
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'socket.ssl.. is deprecated. Use ssl.wrap_socket.. instead.',
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DeprecationWarning)
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# Optionally test SSL support, if we have it in the tested platform
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skip_expected = not hasattr(socket, "ssl")
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HOST = test_support.HOST
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class ConnectedTests(unittest.TestCase):
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def urlopen(self, host, *args, **kwargs):
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# Connecting to remote hosts is flaky. Make it more robust
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# by retrying the connection several times.
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for i in range(3):
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try:
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return urllib.urlopen(host, *args, **kwargs)
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except IOError, e:
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last_exc = e
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continue
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except:
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raise
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raise last_exc
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def testBasic(self):
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socket.RAND_status()
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try:
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socket.RAND_egd(1)
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except TypeError:
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pass
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else:
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print "didn't raise TypeError"
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socket.RAND_add("this is a random string", 75.0)
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with test_support.transient_internet():
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f = self.urlopen('https://sf.net')
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buf = f.read()
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f.close()
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def testTimeout(self):
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def error_msg(extra_msg):
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print >> sys.stderr, """\
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WARNING: an attempt to connect to %r %s, in
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testTimeout. That may be legitimate, but is not the outcome we
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hoped for. If this message is seen often, testTimeout should be
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changed to use a more reliable address.""" % (ADDR, extra_msg)
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# A service which issues a welcome banner (without need to write
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# anything).
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ADDR = "pop.gmail.com", 995
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s = socket.socket()
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s.settimeout(30.0)
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try:
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s.connect(ADDR)
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except socket.timeout:
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error_msg('timed out')
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return
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except socket.error, exc: # In case connection is refused.
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if exc.args[0] == errno.ECONNREFUSED:
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error_msg('was refused')
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return
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else:
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raise
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ss = socket.ssl(s)
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# Read part of return welcome banner twice.
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ss.read(1)
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ss.read(1)
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s.close()
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class BasicTests(unittest.TestCase):
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def testRudeShutdown(self):
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listener_ready = threading.Event()
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listener_gone = threading.Event()
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sock = socket.socket()
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port = test_support.bind_port(sock)
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# `listener` runs in a thread. It opens a socket and sits in accept()
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# until the main thread connects. Then it rudely closes the socket,
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# and sets Event `listener_gone` to let the main thread know the socket
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# is gone.
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def listener(s):
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s.listen(5)
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listener_ready.set()
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s.accept()
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s = None # reclaim the socket object, which also closes it
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listener_gone.set()
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def connector():
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listener_ready.wait()
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s = socket.socket()
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s.connect((HOST, port))
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listener_gone.wait()
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try:
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ssl_sock = socket.ssl(s)
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except socket.sslerror:
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pass
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else:
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raise test_support.TestFailed(
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'connecting to closed SSL socket should have failed')
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t = threading.Thread(target=listener, args=(sock,))
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t.start()
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connector()
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t.join()
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def connect(self, s, host_port):
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# Connecting to remote hosts is flaky. Make it more robust
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# by retrying the connection several times.
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for i in range(3):
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try:
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return s.connect(host_port)
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except IOError, e:
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last_exc = e
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continue
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except:
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raise
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raise last_exc
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def test_978833(self):
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if not test_support.is_resource_enabled("network"):
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return
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if test_support.verbose:
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print "test_978833 ..."
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import os, httplib, ssl
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with test_support.transient_internet():
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s = socket.socket(socket.AF_INET)
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try:
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self.connect(s, ("svn.python.org", 443))
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except IOError:
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print >> sys.stderr, """\
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WARNING: an attempt to connect to svn.python.org:443 failed, in
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test_978833. That may be legitimate, but is not the outcome we
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hoped for. If this message is seen often, test_978833 should be
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changed to use a more reliable address."""
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return
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fd = s._sock.fileno()
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sock = ssl.wrap_socket(s)
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s = None
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sock.close()
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try:
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os.fstat(fd)
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except OSError:
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pass
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else:
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raise test_support.TestFailed("Failed to close socket")
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class OpenSSLTests(unittest.TestCase):
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def testBasic(self):
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s = socket.socket()
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s.connect((HOST, OpenSSLServer.PORT))
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ss = socket.ssl(s)
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ss.write("Foo\n")
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i = ss.read(4)
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self.assertEqual(i, "Foo\n")
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s.close()
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def testMethods(self):
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# read & write is already tried in the Basic test
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# now we'll try to get the server info about certificates
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# this came from the certificate I used, one I found in /usr/share/openssl
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info = "/C=PT/ST=Queensland/L=Lisboa/O=Neuronio, Lda./OU=Desenvolvimento/CN=brutus.neuronio.pt/emailAddress=sampo@iki.fi"
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s = socket.socket()
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s.connect((HOST, OpenSSLServer.PORT))
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ss = socket.ssl(s)
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cert = ss.server()
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self.assertEqual(cert, info)
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cert = ss.issuer()
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self.assertEqual(cert, info)
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s.close()
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class OpenSSLServer(threading.Thread):
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PORT = None
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def __init__(self):
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self.s = None
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self.keepServing = True
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self._external()
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if self.haveServer:
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threading.Thread.__init__(self)
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def _external(self):
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# let's find the .pem files
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curdir = os.path.dirname(__file__) or os.curdir
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cert_file = os.path.join(curdir, "ssl_cert.pem")
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if not os.access(cert_file, os.F_OK):
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raise ValueError("No cert file found! (tried %r)" % cert_file)
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key_file = os.path.join(curdir, "ssl_key.pem")
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if not os.access(key_file, os.F_OK):
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raise ValueError("No key file found! (tried %r)" % key_file)
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try:
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# XXX TODO: on Windows, this should make more effort to use the
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# openssl.exe that would have been built by the pcbuild.sln.
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OpenSSLServer.PORT = test_support.find_unused_port()
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args = (OpenSSLServer.PORT, cert_file, key_file)
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cmd = "openssl s_server -accept %d -cert %s -key %s -quiet" % args
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self.s = subprocess.Popen(cmd.split(), stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT)
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time.sleep(1)
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except:
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self.haveServer = False
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else:
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# let's try if it is actually up
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try:
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s = socket.socket()
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s.connect((HOST, OpenSSLServer.PORT))
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s.close()
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if self.s.stdout.readline() != "ERROR\n":
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raise ValueError
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except:
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self.haveServer = False
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else:
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self.haveServer = True
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def run(self):
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while self.keepServing:
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time.sleep(.5)
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l = self.s.stdout.readline()
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self.s.stdin.write(l)
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def shutdown(self):
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self.keepServing = False
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if not self.s:
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return
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if sys.platform == "win32":
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subprocess.TerminateProcess(int(self.s._handle), -1)
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else:
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os.kill(self.s.pid, 15)
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def test_main():
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if not hasattr(socket, "ssl"):
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raise test_support.TestSkipped("socket module has no ssl support")
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tests = [BasicTests]
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if test_support.is_resource_enabled('network'):
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tests.append(ConnectedTests)
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# in these platforms we can kill the openssl process
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if sys.platform in ("sunos5", "darwin", "linux1",
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"linux2", "win32", "hp-ux11"):
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server = OpenSSLServer()
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if server.haveServer:
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tests.append(OpenSSLTests)
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server.start()
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else:
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server = None
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thread_info = test_support.threading_setup()
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try:
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test_support.run_unittest(*tests)
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finally:
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if server is not None and server.haveServer:
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server.shutdown()
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test_support.threading_cleanup(*thread_info)
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if __name__ == "__main__":
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test_main()
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