Staging
v0.5.1
v0.5.1
https://github.com/python/cpython
Tip revision: 6046c5e0298c25515ea58abc8ab87f7413e3f743 authored by Barry Warsaw on 03 December 2008, 17:29:10 UTC
Oops, one revision we forgot.
Oops, one revision we forgot.
Tip revision: 6046c5e
test_ssl.py
# Test the support for SSL and sockets
import sys
import unittest
from test import support
import socket
import select
import errno
import subprocess
import time
import os
import pprint
import urllib.parse, urllib.request
import shutil
import traceback
import asyncore
from http.server import HTTPServer, SimpleHTTPRequestHandler
# Optionally test SSL support, if we have it in the tested platform
skip_expected = False
try:
import ssl
except ImportError:
skip_expected = True
HOST = support.HOST
CERTFILE = None
SVN_PYTHON_ORG_ROOT_CERT = None
def handle_error(prefix):
exc_format = ' '.join(traceback.format_exception(*sys.exc_info()))
if support.verbose:
sys.stdout.write(prefix + exc_format)
class BasicTests(unittest.TestCase):
def testSSLconnect(self):
if not support.is_resource_enabled('network'):
return
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
cert_reqs=ssl.CERT_NONE)
s.connect(("svn.python.org", 443))
c = s.getpeercert()
if c:
raise support.TestFailed("Peer cert %s shouldn't be here!")
s.close()
# this should fail because we have no verification certs
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
cert_reqs=ssl.CERT_REQUIRED)
try:
s.connect(("svn.python.org", 443))
except ssl.SSLError:
pass
finally:
s.close()
def testCrucialConstants(self):
ssl.PROTOCOL_SSLv2
ssl.PROTOCOL_SSLv23
ssl.PROTOCOL_SSLv3
ssl.PROTOCOL_TLSv1
ssl.CERT_NONE
ssl.CERT_OPTIONAL
ssl.CERT_REQUIRED
def testRAND(self):
v = ssl.RAND_status()
if support.verbose:
sys.stdout.write("\n RAND_status is %d (%s)\n"
% (v, (v and "sufficient randomness") or
"insufficient randomness"))
try:
ssl.RAND_egd(1)
except TypeError:
pass
else:
print("didn't raise TypeError")
ssl.RAND_add("this is a random string", 75.0)
def testParseCert(self):
# note that this uses an 'unofficial' function in _ssl.c,
# provided solely for this test, to exercise the certificate
# parsing code
p = ssl._ssl._test_decode_cert(CERTFILE, False)
if support.verbose:
sys.stdout.write("\n" + pprint.pformat(p) + "\n")
def testDERtoPEM(self):
pem = open(SVN_PYTHON_ORG_ROOT_CERT, 'r').read()
d1 = ssl.PEM_cert_to_DER_cert(pem)
p2 = ssl.DER_cert_to_PEM_cert(d1)
d2 = ssl.PEM_cert_to_DER_cert(p2)
if (d1 != d2):
raise support.TestFailed("PEM-to-DER or DER-to-PEM translation failed")
class NetworkedTests(unittest.TestCase):
def testConnect(self):
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
cert_reqs=ssl.CERT_NONE)
s.connect(("svn.python.org", 443))
c = s.getpeercert()
if c:
raise support.TestFailed("Peer cert %s shouldn't be here!")
s.close()
# this should fail because we have no verification certs
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
cert_reqs=ssl.CERT_REQUIRED)
try:
s.connect(("svn.python.org", 443))
except ssl.SSLError:
pass
finally:
s.close()
# this should succeed because we specify the root cert
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
cert_reqs=ssl.CERT_REQUIRED,
ca_certs=SVN_PYTHON_ORG_ROOT_CERT)
try:
s.connect(("svn.python.org", 443))
except ssl.SSLError as x:
raise support.TestFailed("Unexpected exception %s" % x)
finally:
s.close()
def testNonBlockingHandshake(self):
s = socket.socket(socket.AF_INET)
s.connect(("svn.python.org", 443))
s.setblocking(False)
s = ssl.wrap_socket(s,
cert_reqs=ssl.CERT_NONE,
do_handshake_on_connect=False)
count = 0
while True:
try:
count += 1
s.do_handshake()
break
except ssl.SSLError as err:
if err.args[0] == ssl.SSL_ERROR_WANT_READ:
select.select([s], [], [])
elif err.args[0] == ssl.SSL_ERROR_WANT_WRITE:
select.select([], [s], [])
else:
raise
s.close()
if support.verbose:
sys.stdout.write("\nNeeded %d calls to do_handshake() to establish session.\n" % count)
def testFetchServerCert(self):
pem = ssl.get_server_certificate(("svn.python.org", 443))
if not pem:
raise support.TestFailed("No server certificate on svn.python.org:443!")
return
try:
pem = ssl.get_server_certificate(("svn.python.org", 443), ca_certs=CERTFILE)
except ssl.SSLError as x:
#should fail
if support.verbose:
sys.stdout.write("%s\n" % x)
else:
raise support.TestFailed("Got server certificate %s for svn.python.org!" % pem)
pem = ssl.get_server_certificate(("svn.python.org", 443), ca_certs=SVN_PYTHON_ORG_ROOT_CERT)
if not pem:
raise support.TestFailed("No server certificate on svn.python.org:443!")
if support.verbose:
sys.stdout.write("\nVerified certificate for svn.python.org:443 is\n%s\n" % pem)
try:
import threading
except ImportError:
_have_threads = False
else:
_have_threads = True
class ThreadedEchoServer(threading.Thread):
class ConnectionHandler(threading.Thread):
"""A mildly complicated class, because we want it to work both
with and without the SSL wrapper around the socket connection, so
that we can test the STARTTLS functionality."""
def __init__(self, server, connsock, addr):
self.server = server
self.running = False
self.sock = connsock
self.addr = addr
self.sock.setblocking(1)
self.sslconn = None
threading.Thread.__init__(self)
self.daemon = True
def wrap_conn (self):
try:
self.sslconn = ssl.wrap_socket(self.sock, server_side=True,
certfile=self.server.certificate,
ssl_version=self.server.protocol,
ca_certs=self.server.cacerts,
cert_reqs=self.server.certreqs)
except:
if self.server.chatty:
handle_error("\n server: bad connection attempt from " + repr(self.addr) + ":\n")
if not self.server.expect_bad_connects:
# here, we want to stop the server, because this shouldn't
# happen in the context of our test case
self.running = False
# normally, we'd just stop here, but for the test
# harness, we want to stop the server
self.server.stop()
self.close()
return False
else:
if self.server.certreqs == ssl.CERT_REQUIRED:
cert = self.sslconn.getpeercert()
if support.verbose and self.server.chatty:
sys.stdout.write(" client cert is " + pprint.pformat(cert) + "\n")
cert_binary = self.sslconn.getpeercert(True)
if support.verbose and self.server.chatty:
sys.stdout.write(" cert binary is " + str(len(cert_binary)) + " bytes\n")
cipher = self.sslconn.cipher()
if support.verbose and self.server.chatty:
sys.stdout.write(" server: connection cipher is now " + str(cipher) + "\n")
return True
def read(self):
if self.sslconn:
return self.sslconn.read()
else:
return self.sock.recv(1024)
def write(self, bytes):
if self.sslconn:
return self.sslconn.write(bytes)
else:
return self.sock.send(bytes)
def close(self):
if self.sslconn:
self.sslconn.close()
else:
self.sock.close()
def run (self):
self.running = True
if not self.server.starttls_server:
if not self.wrap_conn():
return
while self.running:
try:
msg = self.read()
amsg = (msg and str(msg, 'ASCII', 'strict')) or ''
if not msg:
# eof, so quit this handler
self.running = False
self.close()
elif amsg.strip() == 'over':
if support.verbose and self.server.connectionchatty:
sys.stdout.write(" server: client closed connection\n")
self.close()
return
elif (self.server.starttls_server and
amsg.strip() == 'STARTTLS'):
if support.verbose and self.server.connectionchatty:
sys.stdout.write(" server: read STARTTLS from client, sending OK...\n")
self.write("OK\n".encode("ASCII", "strict"))
if not self.wrap_conn():
return
elif (self.server.starttls_server and self.sslconn
and amsg.strip() == 'ENDTLS'):
if support.verbose and self.server.connectionchatty:
sys.stdout.write(" server: read ENDTLS from client, sending OK...\n")
self.write("OK\n".encode("ASCII", "strict"))
self.sock = self.sslconn.unwrap()
self.sslconn = None
if support.verbose and self.server.connectionchatty:
sys.stdout.write(" server: connection is now unencrypted...\n")
else:
if (support.verbose and
self.server.connectionchatty):
ctype = (self.sslconn and "encrypted") or "unencrypted"
sys.stdout.write(" server: read %s (%s), sending back %s (%s)...\n"
% (repr(msg), ctype, repr(msg.lower()), ctype))
self.write(amsg.lower().encode('ASCII', 'strict'))
except socket.error:
if self.server.chatty:
handle_error("Test server failure:\n")
self.close()
self.running = False
# normally, we'd just stop here, but for the test
# harness, we want to stop the server
self.server.stop()
except:
handle_error('')
def __init__(self, certificate, ssl_version=None,
certreqs=None, cacerts=None, expect_bad_connects=False,
chatty=True, connectionchatty=False, starttls_server=False):
if ssl_version is None:
ssl_version = ssl.PROTOCOL_TLSv1
if certreqs is None:
certreqs = ssl.CERT_NONE
self.certificate = certificate
self.protocol = ssl_version
self.certreqs = certreqs
self.cacerts = cacerts
self.expect_bad_connects = expect_bad_connects
self.chatty = chatty
self.connectionchatty = connectionchatty
self.starttls_server = starttls_server
self.sock = socket.socket()
self.port = support.bind_port(self.sock)
self.flag = None
self.active = False
threading.Thread.__init__(self)
self.daemon = True
def start (self, flag=None):
self.flag = flag
threading.Thread.start(self)
def run (self):
self.sock.settimeout(0.5)
self.sock.listen(5)
self.active = True
if self.flag:
# signal an event
self.flag.set()
while self.active:
try:
newconn, connaddr = self.sock.accept()
if support.verbose and self.chatty:
sys.stdout.write(' server: new connection from '
+ repr(connaddr) + '\n')
handler = self.ConnectionHandler(self, newconn, connaddr)
handler.start()
except socket.timeout:
pass
except KeyboardInterrupt:
self.stop()
except:
if self.chatty:
handle_error("Test server failure:\n")
self.sock.close()
def stop (self):
self.active = False
class OurHTTPSServer(threading.Thread):
# This one's based on HTTPServer, which is based on SocketServer
class HTTPSServer(HTTPServer):
def __init__(self, server_address, RequestHandlerClass, certfile):
HTTPServer.__init__(self, server_address, RequestHandlerClass)
# we assume the certfile contains both private key and certificate
self.certfile = certfile
self.active = False
self.active_lock = threading.Lock()
self.allow_reuse_address = True
def __str__(self):
return ('<%s %s:%s>' %
(self.__class__.__name__,
self.server_name,
self.server_port))
def get_request (self):
# override this to wrap socket with SSL
sock, addr = self.socket.accept()
sslconn = ssl.wrap_socket(sock, server_side=True,
certfile=self.certfile)
return sslconn, addr
# The methods overridden below this are mainly so that we
# can run it in a thread and be able to stop it from another
# You probably wouldn't need them in other uses.
def server_activate(self):
# We want to run this in a thread for testing purposes,
# so we override this to set timeout, so that we get
# a chance to stop the server
self.socket.settimeout(0.5)
HTTPServer.server_activate(self)
def serve_forever(self):
# We want this to run in a thread, so we use a slightly
# modified version of "forever".
self.active = True
while 1:
try:
# We need to lock while handling the request.
# Another thread can close the socket after self.active
# has been checked and before the request is handled.
# This causes an exception when using the closed socket.
with self.active_lock:
if not self.active:
break
self.handle_request()
except socket.timeout:
pass
except KeyboardInterrupt:
self.server_close()
return
except:
sys.stdout.write(''.join(traceback.format_exception(*sys.exc_info())))
break
time.sleep(0.1)
def server_close(self):
# Again, we want this to run in a thread, so we need to override
# close to clear the "active" flag, so that serve_forever() will
# terminate.
with self.active_lock:
HTTPServer.server_close(self)
self.active = False
class RootedHTTPRequestHandler(SimpleHTTPRequestHandler):
# need to override translate_path to get a known root,
# instead of using os.curdir, since the test could be
# run from anywhere
server_version = "TestHTTPS/1.0"
root = None
def translate_path(self, path):
"""Translate a /-separated PATH to the local filename syntax.
Components that mean special things to the local file system
(e.g. drive or directory names) are ignored. (XXX They should
probably be diagnosed.)
"""
# abandon query parameters
path = urllib.parse.urlparse(path)[2]
path = os.path.normpath(urllib.parse.unquote(path))
words = path.split('/')
words = filter(None, words)
path = self.root
for word in words:
drive, word = os.path.splitdrive(word)
head, word = os.path.split(word)
if word in self.root: continue
path = os.path.join(path, word)
return path
def log_message(self, format, *args):
# we override this to suppress logging unless "verbose"
if support.verbose:
sys.stdout.write(" server (%s:%d %s):\n [%s] %s\n" %
(self.server.server_address,
self.server.server_port,
self.request.cipher(),
self.log_date_time_string(),
format%args))
def __init__(self, certfile):
self.flag = None
self.active = False
self.RootedHTTPRequestHandler.root = os.path.split(CERTFILE)[0]
self.port = support.find_unused_port()
self.server = self.HTTPSServer(
(HOST, self.port), self.RootedHTTPRequestHandler, certfile)
threading.Thread.__init__(self)
self.daemon = True
def __str__(self):
return "<%s %s>" % (self.__class__.__name__, self.server)
def start (self, flag=None):
self.flag = flag
threading.Thread.start(self)
def run (self):
self.active = True
if self.flag:
self.flag.set()
self.server.serve_forever()
self.active = False
def stop (self):
self.active = False
self.server.server_close()
class AsyncoreEchoServer(threading.Thread):
# this one's based on asyncore.dispatcher
class EchoServer (asyncore.dispatcher):
class ConnectionHandler (asyncore.dispatcher_with_send):
def __init__(self, conn, certfile):
self.socket = ssl.wrap_socket(conn, server_side=True,
certfile=certfile,
do_handshake_on_connect=False)
asyncore.dispatcher_with_send.__init__(self, self.socket)
# now we have to do the handshake
# we'll just do it the easy way, and block the connection
# till it's finished. If we were doing it right, we'd
# do this in multiple calls to handle_read...
self.do_handshake(block=True)
def readable(self):
if isinstance(self.socket, ssl.SSLSocket):
while self.socket.pending() > 0:
self.handle_read_event()
return True
def handle_read(self):
data = self.recv(1024)
if support.verbose:
sys.stdout.write(" server: read %s from client\n" % repr(data))
if not data:
self.close()
else:
self.send(str(data, 'ASCII', 'strict').lower().encode('ASCII', 'strict'))
def handle_close(self):
self.close()
if support.verbose:
sys.stdout.write(" server: closed connection %s\n" % self.socket)
def handle_error(self):
raise
def __init__(self, port, certfile):
self.port = port
self.certfile = certfile
asyncore.dispatcher.__init__(self)
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
self.bind(('', port))
self.listen(5)
def handle_accept(self):
sock_obj, addr = self.accept()
if support.verbose:
sys.stdout.write(" server: new connection from %s:%s\n" %addr)
self.ConnectionHandler(sock_obj, self.certfile)
def handle_error(self):
raise
def __init__(self, certfile):
self.flag = None
self.active = False
self.port = support.find_unused_port()
self.server = self.EchoServer(self.port, certfile)
threading.Thread.__init__(self)
self.daemon = True
def __str__(self):
return "<%s %s>" % (self.__class__.__name__, self.server)
def start (self, flag=None):
self.flag = flag
threading.Thread.start(self)
def run (self):
self.active = True
if self.flag:
self.flag.set()
while self.active:
try:
asyncore.loop(1)
except:
pass
def stop (self):
self.active = False
self.server.close()
def badCertTest (certfile):
server = ThreadedEchoServer(CERTFILE,
certreqs=ssl.CERT_REQUIRED,
cacerts=CERTFILE, chatty=False,
connectionchatty=False)
flag = threading.Event()
server.start(flag)
# wait for it to start
flag.wait()
# try to connect
try:
try:
s = ssl.wrap_socket(socket.socket(),
certfile=certfile,
ssl_version=ssl.PROTOCOL_TLSv1)
s.connect((HOST, server.port))
except ssl.SSLError as x:
if support.verbose:
sys.stdout.write("\nSSLError is %s\n" % x)
except socket.error as x:
if support.verbose:
sys.stdout.write("\nsocket.error is %s\n" % x)
else:
raise support.TestFailed(
"Use of invalid cert should have failed!")
finally:
server.stop()
server.join()
def serverParamsTest (certfile, protocol, certreqs, cacertsfile,
client_certfile, client_protocol=None,
indata="FOO\n",
chatty=False, connectionchatty=False):
server = ThreadedEchoServer(certfile,
certreqs=certreqs,
ssl_version=protocol,
cacerts=cacertsfile,
chatty=chatty,
connectionchatty=False)
flag = threading.Event()
server.start(flag)
# wait for it to start
flag.wait()
# try to connect
if client_protocol is None:
client_protocol = protocol
try:
s = ssl.wrap_socket(socket.socket(),
server_side=False,
certfile=client_certfile,
ca_certs=cacertsfile,
cert_reqs=certreqs,
ssl_version=client_protocol)
s.connect((HOST, server.port))
except ssl.SSLError as x:
raise support.TestFailed("Unexpected SSL error: " + str(x))
except Exception as x:
raise support.TestFailed("Unexpected exception: " + str(x))
else:
if connectionchatty:
if support.verbose:
sys.stdout.write(
" client: sending %s...\n" % (repr(indata)))
s.write(indata.encode('ASCII', 'strict'))
outdata = s.read()
if connectionchatty:
if support.verbose:
sys.stdout.write(" client: read %s\n" % repr(outdata))
outdata = str(outdata, 'ASCII', 'strict')
if outdata != indata.lower():
raise support.TestFailed(
"bad data <<%s>> (%d) received; expected <<%s>> (%d)\n"
% (repr(outdata[:min(len(outdata),20)]), len(outdata),
repr(indata[:min(len(indata),20)].lower()), len(indata)))
s.write("over\n".encode("ASCII", "strict"))
if connectionchatty:
if support.verbose:
sys.stdout.write(" client: closing connection.\n")
s.close()
finally:
server.stop()
server.join()
def tryProtocolCombo (server_protocol,
client_protocol,
expectedToWork,
certsreqs=None):
if certsreqs is None:
certsreqs = ssl.CERT_NONE
if certsreqs == ssl.CERT_NONE:
certtype = "CERT_NONE"
elif certsreqs == ssl.CERT_OPTIONAL:
certtype = "CERT_OPTIONAL"
elif certsreqs == ssl.CERT_REQUIRED:
certtype = "CERT_REQUIRED"
if support.verbose:
formatstr = (expectedToWork and " %s->%s %s\n") or " {%s->%s} %s\n"
sys.stdout.write(formatstr %
(ssl.get_protocol_name(client_protocol),
ssl.get_protocol_name(server_protocol),
certtype))
try:
serverParamsTest(CERTFILE, server_protocol, certsreqs,
CERTFILE, CERTFILE, client_protocol,
chatty=False, connectionchatty=False)
except support.TestFailed:
if expectedToWork:
raise
else:
if not expectedToWork:
raise support.TestFailed(
"Client protocol %s succeeded with server protocol %s!"
% (ssl.get_protocol_name(client_protocol),
ssl.get_protocol_name(server_protocol)))
class ThreadedTests(unittest.TestCase):
def testEcho (self):
if support.verbose:
sys.stdout.write("\n")
serverParamsTest(CERTFILE, ssl.PROTOCOL_TLSv1, ssl.CERT_NONE,
CERTFILE, CERTFILE, ssl.PROTOCOL_TLSv1,
chatty=True, connectionchatty=True)
def testReadCert(self):
if support.verbose:
sys.stdout.write("\n")
s2 = socket.socket()
server = ThreadedEchoServer(CERTFILE,
certreqs=ssl.CERT_NONE,
ssl_version=ssl.PROTOCOL_SSLv23,
cacerts=CERTFILE,
chatty=False)
flag = threading.Event()
server.start(flag)
# wait for it to start
flag.wait()
# try to connect
try:
try:
s = ssl.wrap_socket(socket.socket(),
certfile=CERTFILE,
ca_certs=CERTFILE,
cert_reqs=ssl.CERT_REQUIRED,
ssl_version=ssl.PROTOCOL_SSLv23)
s.connect((HOST, server.port))
except ssl.SSLError as x:
raise support.TestFailed(
"Unexpected SSL error: " + str(x))
except Exception as x:
raise support.TestFailed(
"Unexpected exception: " + str(x))
else:
if not s:
raise support.TestFailed(
"Can't SSL-handshake with test server")
cert = s.getpeercert()
if not cert:
raise support.TestFailed(
"Can't get peer certificate.")
cipher = s.cipher()
if support.verbose:
sys.stdout.write(pprint.pformat(cert) + '\n')
sys.stdout.write("Connection cipher is " + str(cipher) + '.\n')
if 'subject' not in cert:
raise support.TestFailed(
"No subject field in certificate: %s." %
pprint.pformat(cert))
if ((('organizationName', 'Python Software Foundation'),)
not in cert['subject']):
raise support.TestFailed(
"Missing or invalid 'organizationName' field in certificate subject; "
"should be 'Python Software Foundation'.")
s.close()
finally:
server.stop()
server.join()
def testNULLcert(self):
badCertTest(os.path.join(os.path.dirname(__file__) or os.curdir,
"nullcert.pem"))
def testMalformedCert(self):
badCertTest(os.path.join(os.path.dirname(__file__) or os.curdir,
"badcert.pem"))
def testWrongCert(self):
badCertTest(os.path.join(os.path.dirname(__file__) or os.curdir,
"wrongcert.pem"))
def testMalformedKey(self):
badCertTest(os.path.join(os.path.dirname(__file__) or os.curdir,
"badkey.pem"))
def testRudeShutdown(self):
listener_ready = threading.Event()
listener_gone = threading.Event()
port = support.find_unused_port()
# `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()
s.bind((HOST, port))
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((HOST, port))
listener_gone.wait()
try:
ssl_sock = ssl.wrap_socket(s)
except IOError:
pass
else:
raise support.TestFailed(
'connecting to closed SSL socket should have failed')
t = threading.Thread(target=listener)
t.start()
connector()
t.join()
def testProtocolSSL2(self):
if support.verbose:
sys.stdout.write("\n")
tryProtocolCombo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv2, True)
tryProtocolCombo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv2, True, ssl.CERT_OPTIONAL)
tryProtocolCombo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv2, True, ssl.CERT_REQUIRED)
tryProtocolCombo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv23, True)
tryProtocolCombo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv3, False)
tryProtocolCombo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_TLSv1, False)
def testProtocolSSL23(self):
if support.verbose:
sys.stdout.write("\n")
try:
tryProtocolCombo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv2, True)
except support.TestFailed as x:
# this fails on some older versions of OpenSSL (0.9.7l, for instance)
if support.verbose:
sys.stdout.write(
" SSL2 client to SSL23 server test unexpectedly failed:\n %s\n"
% str(x))
tryProtocolCombo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, True)
tryProtocolCombo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv23, True)
tryProtocolCombo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, True)
tryProtocolCombo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, True, ssl.CERT_OPTIONAL)
tryProtocolCombo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv23, True, ssl.CERT_OPTIONAL)
tryProtocolCombo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, True, ssl.CERT_OPTIONAL)
tryProtocolCombo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, True, ssl.CERT_REQUIRED)
tryProtocolCombo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv23, True, ssl.CERT_REQUIRED)
tryProtocolCombo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, True, ssl.CERT_REQUIRED)
def testProtocolSSL3(self):
if support.verbose:
sys.stdout.write("\n")
tryProtocolCombo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, True)
tryProtocolCombo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, True, ssl.CERT_OPTIONAL)
tryProtocolCombo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, True, ssl.CERT_REQUIRED)
tryProtocolCombo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv2, False)
tryProtocolCombo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv23, False)
tryProtocolCombo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_TLSv1, False)
def testProtocolTLS1(self):
if support.verbose:
sys.stdout.write("\n")
tryProtocolCombo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, True)
tryProtocolCombo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, True, ssl.CERT_OPTIONAL)
tryProtocolCombo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, True, ssl.CERT_REQUIRED)
tryProtocolCombo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_SSLv2, False)
tryProtocolCombo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_SSLv3, False)
tryProtocolCombo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_SSLv23, False)
def testSTARTTLS (self):
msgs = ("msg 1", "MSG 2", "STARTTLS", "MSG 3", "msg 4", "ENDTLS", "msg 5", "msg 6")
server = ThreadedEchoServer(CERTFILE,
ssl_version=ssl.PROTOCOL_TLSv1,
starttls_server=True,
chatty=True,
connectionchatty=True)
flag = threading.Event()
server.start(flag)
# wait for it to start
flag.wait()
# try to connect
wrapped = False
try:
try:
s = socket.socket()
s.setblocking(1)
s.connect((HOST, server.port))
except Exception as x:
raise support.TestFailed("Unexpected exception: " + str(x))
else:
if support.verbose:
sys.stdout.write("\n")
for indata in msgs:
msg = indata.encode('ASCII', 'replace')
if support.verbose:
sys.stdout.write(
" client: sending %s...\n" % repr(msg))
if wrapped:
conn.write(msg)
outdata = conn.read()
else:
s.send(msg)
outdata = s.recv(1024)
if (indata == "STARTTLS" and
str(outdata, 'ASCII', 'replace').strip().lower().startswith("ok")):
if support.verbose:
msg = str(outdata, 'ASCII', 'replace')
sys.stdout.write(
" client: read %s from server, starting TLS...\n"
% repr(msg))
conn = ssl.wrap_socket(s, ssl_version=ssl.PROTOCOL_TLSv1)
wrapped = True
elif (indata == "ENDTLS" and
str(outdata, 'ASCII', 'replace').strip().lower().startswith("ok")):
if support.verbose:
msg = str(outdata, 'ASCII', 'replace')
sys.stdout.write(
" client: read %s from server, ending TLS...\n"
% repr(msg))
s = conn.unwrap()
wrapped = False
else:
if support.verbose:
msg = str(outdata, 'ASCII', 'replace')
sys.stdout.write(
" client: read %s from server\n" % repr(msg))
if support.verbose:
sys.stdout.write(" client: closing connection.\n")
if wrapped:
conn.write("over\n".encode("ASCII", "strict"))
else:
s.send("over\n".encode("ASCII", "strict"))
if wrapped:
conn.close()
else:
s.close()
finally:
server.stop()
server.join()
def testSocketServer(self):
server = OurHTTPSServer(CERTFILE)
flag = threading.Event()
server.start(flag)
# wait for it to start
flag.wait()
# try to connect
try:
if support.verbose:
sys.stdout.write('\n')
d1 = open(CERTFILE, 'rb').read()
d2 = ''
# now fetch the same data from the HTTPS server
url = 'https://%s:%d/%s' % (
HOST, server.port, os.path.split(CERTFILE)[1])
f = urllib.request.urlopen(url)
dlen = f.info().get("content-length")
if dlen and (int(dlen) > 0):
d2 = f.read(int(dlen))
if support.verbose:
sys.stdout.write(
" client: read %d bytes from remote server '%s'\n"
% (len(d2), server))
f.close()
except:
msg = ''.join(traceback.format_exception(*sys.exc_info()))
if support.verbose:
sys.stdout.write('\n' + msg)
raise support.TestFailed(msg)
else:
if not (d1 == d2):
print("d1 is", len(d1), repr(d1))
print("d2 is", len(d2), repr(d2))
raise support.TestFailed(
"Couldn't fetch data from HTTPS server")
finally:
if support.verbose:
sys.stdout.write('stopping server\n')
server.stop()
if support.verbose:
sys.stdout.write('joining thread\n')
server.join()
def testAsyncoreServer(self):
if support.verbose:
sys.stdout.write("\n")
indata="FOO\n"
server = AsyncoreEchoServer(CERTFILE)
flag = threading.Event()
server.start(flag)
# wait for it to start
flag.wait()
# try to connect
try:
s = ssl.wrap_socket(socket.socket())
s.connect((HOST, server.port))
except ssl.SSLError as x:
raise support.TestFailed("Unexpected SSL error: " + str(x))
except Exception as x:
raise support.TestFailed("Unexpected exception: " + str(x))
else:
if support.verbose:
sys.stdout.write(
" client: sending %s...\n" % (repr(indata)))
s.sendall(indata.encode('ASCII', 'strict'))
outdata = s.recv()
if support.verbose:
sys.stdout.write(" client: read %s\n" % repr(outdata))
outdata = str(outdata, 'ASCII', 'strict')
if outdata != indata.lower():
raise support.TestFailed(
"bad data <<%s>> (%d) received; expected <<%s>> (%d)\n"
% (repr(outdata[:min(len(outdata),20)]), len(outdata),
repr(indata[:min(len(indata),20)].lower()), len(indata)))
s.write("over\n".encode("ASCII", "strict"))
if support.verbose:
sys.stdout.write(" client: closing connection.\n")
s.close()
finally:
server.stop()
server.join()
def testAllRecvAndSendMethods(self):
if support.verbose:
sys.stdout.write("\n")
server = ThreadedEchoServer(CERTFILE,
certreqs=ssl.CERT_NONE,
ssl_version=ssl.PROTOCOL_TLSv1,
cacerts=CERTFILE,
chatty=True,
connectionchatty=False)
flag = threading.Event()
server.start(flag)
# wait for it to start
flag.wait()
# try to connect
try:
s = ssl.wrap_socket(socket.socket(),
server_side=False,
certfile=CERTFILE,
ca_certs=CERTFILE,
cert_reqs=ssl.CERT_NONE,
ssl_version=ssl.PROTOCOL_TLSv1)
s.connect((HOST, server.port))
except ssl.SSLError as x:
raise support.TestFailed("Unexpected SSL error: " + str(x))
except Exception as x:
raise support.TestFailed("Unexpected exception: " + str(x))
else:
# helper methods for standardising recv* method signatures
def _recv_into():
b = bytearray(b"\0"*100)
count = s.recv_into(b)
return b[:count]
def _recvfrom_into():
b = bytearray(b"\0"*100)
count, addr = s.recvfrom_into(b)
return b[:count]
# (name, method, whether to expect success, *args)
send_methods = [
('send', s.send, True, []),
('sendto', s.sendto, False, ["some.address"]),
('sendall', s.sendall, True, []),
]
recv_methods = [
('recv', s.recv, True, []),
('recvfrom', s.recvfrom, False, ["some.address"]),
('recv_into', _recv_into, True, []),
('recvfrom_into', _recvfrom_into, False, []),
]
data_prefix = "PREFIX_"
for meth_name, send_meth, expect_success, args in send_methods:
indata = data_prefix + meth_name
try:
send_meth(indata.encode('ASCII', 'strict'), *args)
outdata = s.read()
outdata = str(outdata, 'ASCII', 'strict')
if outdata != indata.lower():
raise support.TestFailed(
"While sending with <<{name:s}>> bad data "
"<<{outdata:s}>> ({nout:d}) received; "
"expected <<{indata:s}>> ({nin:d})\n".format(
name=meth_name, outdata=repr(outdata[:20]),
nout=len(outdata),
indata=repr(indata[:20]), nin=len(indata)
)
)
except ValueError as e:
if expect_success:
raise support.TestFailed(
"Failed to send with method <<{name:s}>>; "
"expected to succeed.\n".format(name=meth_name)
)
if not str(e).startswith(meth_name):
raise support.TestFailed(
"Method <<{name:s}>> failed with unexpected "
"exception message: {exp:s}\n".format(
name=meth_name, exp=e
)
)
for meth_name, recv_meth, expect_success, args in recv_methods:
indata = data_prefix + meth_name
try:
s.send(indata.encode('ASCII', 'strict'))
outdata = recv_meth(*args)
outdata = str(outdata, 'ASCII', 'strict')
if outdata != indata.lower():
raise support.TestFailed(
"While receiving with <<{name:s}>> bad data "
"<<{outdata:s}>> ({nout:d}) received; "
"expected <<{indata:s}>> ({nin:d})\n".format(
name=meth_name, outdata=repr(outdata[:20]),
nout=len(outdata),
indata=repr(indata[:20]), nin=len(indata)
)
)
except ValueError as e:
if expect_success:
raise support.TestFailed(
"Failed to receive with method <<{name:s}>>; "
"expected to succeed.\n".format(name=meth_name)
)
if not str(e).startswith(meth_name):
raise support.TestFailed(
"Method <<{name:s}>> failed with unexpected "
"exception message: {exp:s}\n".format(
name=meth_name, exp=e
)
)
# consume data
s.read()
s.write("over\n".encode("ASCII", "strict"))
s.close()
finally:
server.stop()
server.join()
def test_main(verbose=False):
if skip_expected:
raise support.TestSkipped("No SSL support")
global CERTFILE, SVN_PYTHON_ORG_ROOT_CERT
CERTFILE = os.path.join(os.path.dirname(__file__) or os.curdir,
"keycert.pem")
SVN_PYTHON_ORG_ROOT_CERT = os.path.join(
os.path.dirname(__file__) or os.curdir,
"https_svn_python_org_root.pem")
if (not os.path.exists(CERTFILE) or
not os.path.exists(SVN_PYTHON_ORG_ROOT_CERT)):
raise support.TestFailed("Can't read certificate files!")
tests = [BasicTests]
if support.is_resource_enabled('network'):
tests.append(NetworkedTests)
if _have_threads:
thread_info = support.threading_setup()
if thread_info and support.is_resource_enabled('network'):
tests.append(ThreadedTests)
support.run_unittest(*tests)
if _have_threads:
support.threading_cleanup(*thread_info)
if __name__ == "__main__":
test_main()
