# Test the support for SSL and sockets import sys import unittest from test import test_support import asyncore import socket import select import errno import subprocess import time import gc import os import errno import pprint import urllib, urlparse import shutil import traceback import weakref from BaseHTTPServer import HTTPServer from SimpleHTTPServer import 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 = test_support.HOST CERTFILE = None SVN_PYTHON_ORG_ROOT_CERT = None def handle_error(prefix): exc_format = ' '.join(traceback.format_exception(*sys.exc_info())) if test_support.verbose: sys.stdout.write(prefix + exc_format) def testSimpleSSLwrap(self): try: ssl.sslwrap_simple(socket.socket(socket.AF_INET)) except IOError, e: if e.errno == 32: # broken pipe when ssl_sock.do_handshake(), this test doesn't care about that pass else: raise try: ssl.sslwrap_simple(socket.socket(socket.AF_INET)._sock) except IOError, e: if e.errno == 32: # broken pipe when ssl_sock.do_handshake(), this test doesn't care about that pass else: raise class BasicTests(unittest.TestCase): def testSSLconnect(self): if not test_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 test_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 test_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 test_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 test_support.TestFailed("PEM-to-DER or DER-to-PEM translation failed") def test_refcycle(self): # Issue #7943: an SSL object doesn't create reference cycles with # itself. s = socket.socket(socket.AF_INET) ss = ssl.wrap_socket(s) wr = weakref.ref(ss) del ss self.assertEqual(wr(), None) 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 test_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, x: raise test_support.TestFailed("Unexpected exception %s" % x) finally: s.close() def test_makefile_close(self): # Issue #5238: creating a file-like object with makefile() shouldn't # delay closing the underlying "real socket" (here tested with its # file descriptor, hence skipping the test under Windows). if os.name == "nt": if test_support.verbose: print "Skipped: can't use a socket as a file under Windows" return ss = ssl.wrap_socket(socket.socket(socket.AF_INET)) ss.connect(("svn.python.org", 443)) fd = ss.fileno() f = ss.makefile() f.close() # The fd is still open os.read(fd, 0) # Closing the SSL socket should close the fd too ss.close() gc.collect() try: os.read(fd, 0) except OSError, e: self.assertEqual(e.errno, errno.EBADF) else: self.fail("OSError wasn't raised") 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, 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 test_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 test_support.TestFailed("No server certificate on svn.python.org:443!") try: pem = ssl.get_server_certificate(("svn.python.org", 443), ca_certs=CERTFILE) except ssl.SSLError: #should fail pass else: raise test_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 test_support.TestFailed("No server certificate on svn.python.org:443!") if test_support.verbose: sys.stdout.write("\nVerified certificate for svn.python.org:443 is\n%s\n" % pem) # Test disabled: OPENSSL_VERSION* not available in Python 2.6 def test_algorithms(self): if test_support.verbose: sys.stdout.write("test_algorithms disabled, " "as it fails on some old OpenSSL versions") return # Issue #8484: all algorithms should be available when verifying a # certificate. # NOTE: https://sha256.tbs-internet.com is another possible test host remote = ("sha2.hboeck.de", 443) sha256_cert = os.path.join(os.path.dirname(__file__), "sha256.pem") s = ssl.wrap_socket(socket.socket(socket.AF_INET), cert_reqs=ssl.CERT_REQUIRED, ca_certs=sha256_cert,) with test_support.transient_internet(): try: s.connect(remote) if test_support.verbose: sys.stdout.write("\nCipher with %r is %r\n" % (remote, s.cipher())) sys.stdout.write("Certificate is:\n%s\n" % pprint.pformat(s.getpeercert())) finally: s.close() 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): self.server = server self.running = False self.sock = connsock self.sock.setblocking(1) self.sslconn = None threading.Thread.__init__(self) self.daemon = True def show_conn_details(self): if self.server.certreqs == ssl.CERT_REQUIRED: cert = self.sslconn.getpeercert() if test_support.verbose and self.server.chatty: sys.stdout.write(" client cert is " + pprint.pformat(cert) + "\n") cert_binary = self.sslconn.getpeercert(True) if test_support.verbose and self.server.chatty: sys.stdout.write(" cert binary is " + str(len(cert_binary)) + " bytes\n") cipher = self.sslconn.cipher() if test_support.verbose and self.server.chatty: sys.stdout.write(" server: connection cipher is now " + str(cipher) + "\n") 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 " + str(self.sock.getpeername()) + ":\n") self.close() 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() return False else: 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._sock.close() def run (self): self.running = True if not self.server.starttls_server: if isinstance(self.sock, ssl.SSLSocket): self.sslconn = self.sock elif not self.wrap_conn(): return self.show_conn_details() while self.running: try: msg = self.read() if not msg: # eof, so quit this handler self.running = False self.close() elif msg.strip() == 'over': if test_support.verbose and self.server.connectionchatty: sys.stdout.write(" server: client closed connection\n") self.close() return elif self.server.starttls_server and msg.strip() == 'STARTTLS': if test_support.verbose and self.server.connectionchatty: sys.stdout.write(" server: read STARTTLS from client, sending OK...\n") self.write("OK\n") if not self.wrap_conn(): return elif self.server.starttls_server and self.sslconn and msg.strip() == 'ENDTLS': if test_support.verbose and self.server.connectionchatty: sys.stdout.write(" server: read ENDTLS from client, sending OK...\n") self.write("OK\n") self.sslconn.unwrap() self.sslconn = None if test_support.verbose and self.server.connectionchatty: sys.stdout.write(" server: connection is now unencrypted...\n") else: if (test_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(msg.lower()) except ssl.SSLError: 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, wrap_accepting_socket=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.flag = None if wrap_accepting_socket: self.sock = ssl.wrap_socket(self.sock, server_side=True, certfile=self.certificate, cert_reqs = self.certreqs, ca_certs = self.cacerts, ssl_version = self.protocol) if test_support.verbose and self.chatty: sys.stdout.write(' server: wrapped server socket as %s\n' % str(self.sock)) self.port = test_support.bind_port(self.sock) 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 test_support.verbose and self.chatty: sys.stdout.write(' server: new connection from ' + str(connaddr) + '\n') handler = self.ConnectionHandler(self, newconn) 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 AsyncoreEchoServer(threading.Thread): class EchoServer (asyncore.dispatcher): class ConnectionHandler (asyncore.dispatcher_with_send): def __init__(self, conn, certfile): asyncore.dispatcher_with_send.__init__(self, conn) self.socket = ssl.wrap_socket(conn, server_side=True, certfile=certfile, do_handshake_on_connect=False) self._ssl_accepting = True def readable(self): if isinstance(self.socket, ssl.SSLSocket): while self.socket.pending() > 0: self.handle_read_event() return True def _do_ssl_handshake(self): try: self.socket.do_handshake() except ssl.SSLError, err: if err.args[0] in (ssl.SSL_ERROR_WANT_READ, ssl.SSL_ERROR_WANT_WRITE): return elif err.args[0] == ssl.SSL_ERROR_EOF: return self.handle_close() raise except socket.error, err: if err.args[0] == errno.ECONNABORTED: return self.handle_close() else: self._ssl_accepting = False def handle_read(self): if self._ssl_accepting: self._do_ssl_handshake() else: data = self.recv(1024) self.send(data.lower()) def handle_close(self): self.close() if test_support.verbose: sys.stdout.write(" server: closed connection %s\n" % self.socket) def handle_error(self): raise def __init__(self, certfile): self.certfile = certfile asyncore.dispatcher.__init__(self) self.create_socket(socket.AF_INET, socket.SOCK_STREAM) self.port = test_support.bind_port(self.socket) self.listen(5) def handle_accept(self): sock_obj, addr = self.accept() if test_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.server = self.EchoServer(certfile) self.port = self.server.port 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() class SocketServerHTTPSServer(threading.Thread): 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 = urlparse.urlparse(path)[2] path = os.path.normpath(urllib.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 test_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 = test_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() def badCertTest (certfile): server = ThreadedEchoServer(CERTFILE, certreqs=ssl.CERT_REQUIRED, 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, ssl_version=ssl.PROTOCOL_TLSv1) s.connect((HOST, server.port)) except ssl.SSLError, x: if test_support.verbose: sys.stdout.write("\nSSLError is %s\n" % x[1]) except socket.error, x: if test_support.verbose: sys.stdout.write("\nsocket.error is %s\n" % x[1]) else: raise test_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=True, connectionchatty=False, wrap_accepting_socket=False): server = ThreadedEchoServer(certfile, certreqs=certreqs, ssl_version=protocol, cacerts=cacertsfile, chatty=chatty, connectionchatty=connectionchatty, wrap_accepting_socket=wrap_accepting_socket) 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: try: s = ssl.wrap_socket(socket.socket(), certfile=client_certfile, ca_certs=cacertsfile, cert_reqs=certreqs, ssl_version=client_protocol) s.connect((HOST, server.port)) except ssl.SSLError, x: raise test_support.TestFailed("Unexpected SSL error: " + str(x)) except Exception, x: raise test_support.TestFailed("Unexpected exception: " + str(x)) else: if connectionchatty: if test_support.verbose: sys.stdout.write( " client: sending %s...\n" % (repr(indata))) s.write(indata) outdata = s.read() if connectionchatty: if test_support.verbose: sys.stdout.write(" client: read %s\n" % repr(outdata)) if outdata != indata.lower(): raise test_support.TestFailed( "bad data <<%s>> (%d) received; expected <<%s>> (%d)\n" % (outdata[:min(len(outdata),20)], len(outdata), indata[:min(len(indata),20)].lower(), len(indata))) s.write("over\n") if connectionchatty: if test_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 test_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) except test_support.TestFailed: if expectedToWork: raise else: if not expectedToWork: raise test_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 testRudeShutdown(self): listener_ready = threading.Event() listener_gone = threading.Event() port = test_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 test_support.TestFailed( 'connecting to closed SSL socket should have failed') t = threading.Thread(target=listener) t.start() connector() t.join() def testEcho (self): if test_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 test_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, x: raise test_support.TestFailed( "Unexpected SSL error: " + str(x)) except Exception, x: raise test_support.TestFailed( "Unexpected exception: " + str(x)) else: if not s: raise test_support.TestFailed( "Can't SSL-handshake with test server") cert = s.getpeercert() if not cert: raise test_support.TestFailed( "Can't get peer certificate.") cipher = s.cipher() if test_support.verbose: sys.stdout.write(pprint.pformat(cert) + '\n') sys.stdout.write("Connection cipher is " + str(cipher) + '.\n') if not cert.has_key('subject'): raise test_support.TestFailed( "No subject field in certificate: %s." % pprint.pformat(cert)) if ((('organizationName', 'Python Software Foundation'),) not in cert['subject']): raise test_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 testProtocolSSL2(self): if test_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 test_support.verbose: sys.stdout.write("\n") try: tryProtocolCombo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv2, True) except test_support.TestFailed, x: # this fails on some older versions of OpenSSL (0.9.7l, for instance) if test_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 test_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 test_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, x: raise test_support.TestFailed("Unexpected exception: " + str(x)) else: if test_support.verbose: sys.stdout.write("\n") for indata in msgs: if test_support.verbose: sys.stdout.write( " client: sending %s...\n" % repr(indata)) if wrapped: conn.write(indata) outdata = conn.read() else: s.send(indata) outdata = s.recv(1024) if (indata == "STARTTLS" and outdata.strip().lower().startswith("ok")): if test_support.verbose: sys.stdout.write( " client: read %s from server, starting TLS...\n" % repr(outdata)) conn = ssl.wrap_socket(s, ssl_version=ssl.PROTOCOL_TLSv1) wrapped = True elif (indata == "ENDTLS" and outdata.strip().lower().startswith("ok")): if test_support.verbose: sys.stdout.write( " client: read %s from server, ending TLS...\n" % repr(outdata)) s = conn.unwrap() wrapped = False else: if test_support.verbose: sys.stdout.write( " client: read %s from server\n" % repr(outdata)) if test_support.verbose: sys.stdout.write(" client: closing connection.\n") if wrapped: conn.write("over\n") else: s.send("over\n") s.close() finally: server.stop() server.join() def testSocketServer(self): server = SocketServerHTTPSServer(CERTFILE) flag = threading.Event() server.start(flag) # wait for it to start flag.wait() # try to connect try: if test_support.verbose: sys.stdout.write('\n') d1 = open(CERTFILE, 'rb').read() d2 = '' # now fetch the same data from the HTTPS server url = 'https://127.0.0.1:%d/%s' % ( server.port, os.path.split(CERTFILE)[1]) f = urllib.urlopen(url) dlen = f.info().getheader("content-length") if dlen and (int(dlen) > 0): d2 = f.read(int(dlen)) if test_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 test_support.verbose: sys.stdout.write('\n' + msg) raise test_support.TestFailed(msg) else: if not (d1 == d2): raise test_support.TestFailed( "Couldn't fetch data from HTTPS server") finally: server.stop() server.join() def testWrappedAccept (self): if test_support.verbose: sys.stdout.write("\n") serverParamsTest(CERTFILE, ssl.PROTOCOL_SSLv23, ssl.CERT_REQUIRED, CERTFILE, CERTFILE, ssl.PROTOCOL_SSLv23, chatty=True, connectionchatty=True, wrap_accepting_socket=True) def testAsyncoreServer (self): indata = "TEST MESSAGE of mixed case\n" if test_support.verbose: sys.stdout.write("\n") server = AsyncoreEchoServer(CERTFILE) flag = threading.Event() server.start(flag) # wait for it to start flag.wait() # try to connect try: try: s = ssl.wrap_socket(socket.socket()) s.connect(('127.0.0.1', server.port)) except ssl.SSLError, x: raise test_support.TestFailed("Unexpected SSL error: " + str(x)) except Exception, x: raise test_support.TestFailed("Unexpected exception: " + str(x)) else: if test_support.verbose: sys.stdout.write( " client: sending %s...\n" % (repr(indata))) s.write(indata) outdata = s.read() if test_support.verbose: sys.stdout.write(" client: read %s\n" % repr(outdata)) if outdata != indata.lower(): raise test_support.TestFailed( "bad data <<%s>> (%d) received; expected <<%s>> (%d)\n" % (outdata[:min(len(outdata),20)], len(outdata), indata[:min(len(indata),20)].lower(), len(indata))) s.write("over\n") if test_support.verbose: sys.stdout.write(" client: closing connection.\n") s.close() finally: server.stop() # wait for server thread to end server.join() def testAllRecvAndSendMethods(self): if test_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("\0"*100) count = s.recv_into(b) return b[:count] def _recvfrom_into(): b = bytearray("\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 = u"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 = outdata.decode('ASCII', 'strict') if outdata != indata.lower(): raise support.TestFailed( "While sending with <<%s>> bad data " "<<%r>> (%d) received; " "expected <<%r>> (%d)\n" % ( meth_name, outdata[:20], len(outdata), indata[:20], len(indata) ) ) except ValueError as e: if expect_success: raise support.TestFailed( "Failed to send with method <<%s>>; " "expected to succeed.\n" % (meth_name,) ) if not str(e).startswith(meth_name): raise support.TestFailed( "Method <<%s>> failed with unexpected " "exception message: %s\n" % ( meth_name, 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 = outdata.decode('ASCII', 'strict') if outdata != indata.lower(): raise support.TestFailed( "While receiving with <<%s>> bad data " "<<%r>> (%d) received; " "expected <<%r>> (%d)\n" % ( meth_name, outdata[:20], len(outdata), indata[:20], len(indata) ) ) except ValueError as e: if expect_success: raise support.TestFailed( "Failed to receive with method <<%s>>; " "expected to succeed.\n" % (meth_name,) ) if not str(e).startswith(meth_name): raise support.TestFailed( "Method <<%s>> failed with unexpected " "exception message: %s\n" % ( meth_name, e ) ) # consume data s.read() s.write("over\n".encode("ASCII", "strict")) s.close() finally: server.stop() server.join() def test_handshake_timeout(self): # Issue #5103: SSL handshake must respect the socket timeout server = socket.socket(socket.AF_INET) host = "127.0.0.1" port = test_support.bind_port(server) started = threading.Event() finish = False def serve(): server.listen(5) started.set() conns = [] while not finish: r, w, e = select.select([server], [], [], 0.1) if server in r: # Let the socket hang around rather than having # it closed by garbage collection. conns.append(server.accept()[0]) t = threading.Thread(target=serve) t.start() started.wait() try: try: c = socket.socket(socket.AF_INET) c.settimeout(0.2) c.connect((host, port)) # Will attempt handshake and time out try: ssl.wrap_socket(c) except ssl.SSLError, e: self.assertTrue("timed out" in str(e), str(e)) else: self.fail("SSLError wasn't raised") finally: c.close() try: c = socket.socket(socket.AF_INET) c.settimeout(0.2) c = ssl.wrap_socket(c) # Will attempt handshake and time out try: c.connect((host, port)) except ssl.SSLError, e: self.assertTrue("timed out" in str(e), str(e)) else: self.fail("SSLError wasn't raised") finally: c.close() finally: finish = True t.join() server.close() def test_main(verbose=False): if skip_expected: raise test_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 test_support.TestFailed("Can't read certificate files!") TESTPORT = test_support.find_unused_port() if not TESTPORT: raise test_support.TestFailed("Can't find open port to test servers on!") tests = [BasicTests] if test_support.is_resource_enabled('network'): tests.append(NetworkedTests) if _have_threads: thread_info = test_support.threading_setup() if thread_info and test_support.is_resource_enabled('network'): tests.append(ThreadedTests) test_support.run_unittest(*tests) if _have_threads: test_support.threading_cleanup(*thread_info) if __name__ == "__main__": test_main()