def do_CONNECT(self):
try:
host, port = self.path.split(':')
if host != FAKE_TARGET:
raise Exception('proxy target must be fake target, but was: ' +
self.path)
print_ok("got proxy request, with proxy target: " + self.path)
socket = TcpClient(int(port))
socket.connect(attempts=5)
self.wfile.write(
bytearray("HTTP/1.1 200 Connection established\r\n", "utf-8"))
self.wfile.write(
bytearray("Proxy-agent: FakeConnectProxyHandler\r\n\r\n",
"utf-8"))
remote = socket.get_socket()
rlist = [self.connection, remote]
for _ in range(0, 1000):
reads, _, errs = select.select(rlist, [], rlist, 10)
if errs:
print_ok("got error in select(): " + str(errs))
break
for s in reads:
data = s.recv(8192)
if data:
print_ok("proxy is sending/receiving " +
str(len(data)) + " bytes")
(self.connection if s == remote else remote).send(data)
finally:
print_ok("connect proxy is done")
try:
socket.get_socket().shutdown()
socket.cleanup()
self.connection.close()
except BaseException:
pass
def send_data(i):
p = SocketPair(TcpClient(13001),
TlsServer("server{0}".format(i), 'root', 13002))
counter = 0
while counter < 100:
r = random.random()
if r < 0.4:
time.sleep(r)
continue
counter += 1
if r < 0.7:
p.validate_can_send_from_client(
"blah blah blah",
"{0}:{1} client -> server".format(i, counter))
else:
p.validate_can_send_from_server(
"blah blah blah",
"{0}:{1} server -> client".format(i, counter))
r = random.random()
if r < 0.5:
p.validate_closing_client_closes_server(
"{0} client close -> server close".format(i))
else:
p.validate_closing_server_closes_client(
"{0} server close -> client close".format(i))
san="IP:127.0.0.1,IP:::1,DNS:foobar")
other_root = RootCert('other_root')
other_root.create_signed_cert('other_server')
# start ghostunnel
ghostunnel = run_ghostunnel([
'client', '--listen={0}:13001'.format(LOCALHOST),
'--target=localhost:13002', '--cacert=root.crt',
'--disable-authentication',
'--status={0}:{1}'.format(LOCALHOST, STATUS_PORT)
])
# connect to server1, confirm that the tunnel is up
pair = SocketPair(
TcpClient(13001),
TlsServer('server1', 'root', 13002, cert_reqs=ssl.CERT_NONE))
pair.validate_can_send_from_client("hello world",
"1: client -> server")
pair.validate_can_send_from_server("hello world",
"1: server -> client")
pair.validate_closing_client_closes_server(
"1: client closed -> server closed")
# connect to other_server, confirm that the tunnel isn't up
try:
pair = SocketPair(
TcpClient(13001),
TlsServer('other_server',
'other_root',
13002,
root.create_signed_cert('server2',
san="IP:127.0.0.1,IP:::1,DNS:foobar")
other_root = RootCert('other_root')
other_root.create_signed_cert('other_server')
# start ghostunnel
ghostunnel = run_ghostunnel([
'client', '--listen={0}:13001'.format(LOCALHOST),
'--target=localhost:13002', '--keystore=client.p12',
'--cacert=root.crt',
'--status={0}:{1}'.format(LOCALHOST, STATUS_PORT)
])
# connect to server1, confirm that the tunnel is up
pair = SocketPair(TcpClient(13001), TlsServer('server1', 'root',
13002))
pair.validate_can_send_from_client("hello world",
"1: client -> server")
pair.validate_can_send_from_server("hello world",
"1: server -> client")
pair.validate_closing_client_closes_server(
"1: client closed -> server closed")
# connect to other_server, confirm that the tunnel isn't up
try:
pair = SocketPair(TcpClient(13001),
TlsServer('other_server', 'other_root', 13002))
raise Exception('failed to reject other_server')
except ssl.SSLError:
print_ok("other_server correctly rejected")
root = RootCert('root')
root.create_signed_cert('client')
for n in range(1, n_clients):
root.create_signed_cert("server{0}".format(n))
# start ghostunnel
ghostunnel = run_ghostunnel([
'client', '--listen={0}:13001'.format(LOCALHOST),
'--target={0}:13002'.format(LOCALHOST), '--keystore=client.p12',
'--status={0}:{1}'.format(LOCALHOST,
STATUS_PORT), '--cacert=root.crt'
])
# servers should be able to communicate all at the same time.
procs = []
for n in range(1, n_clients):
pair = SocketPair(TcpClient(13001),
TlsServer("server{0}".format(n), 'root', 13002))
proc = Process(target=send_data, args=(
n,
pair,
))
proc.start()
procs.append(proc)
for proc in procs:
proc.join()
print_ok("OK")
finally:
terminate(ghostunnel)
root.create_signed_cert('server')
root.create_signed_cert('client')
# start ghostunnel
ghostunnel = run_ghostunnel([
'client', '--listen={0}:13001'.format(LOCALHOST),
'--target={0}:13002'.format(LOCALHOST), '--keystore=client.p12',
'--cacert=root.crt',
'--status={0}:{1}'.format(LOCALHOST, STATUS_PORT)
])
# wait for startup
TlsClient(None, 'root', STATUS_PORT).connect(20, 'client')
# create connections with client
pair1 = SocketPair(TcpClient(13001), TlsServer('server', 'root',
13002))
pair1.validate_can_send_from_client("toto", "pair1 works")
# shut down ghostunnel with connection open, make sure it doesn't hang
print_ok('attempting to terminate ghostunnel via SIGTERM signals')
for n in range(0, 90):
try:
try:
ghostunnel.terminate()
ghostunnel.wait(timeout=1)
except BaseException:
pass
os.kill(ghostunnel.pid, 0)
print_ok("ghostunnel is still alive")
except BaseException:
# start ghostunnel
# hack: point target to STATUS_PORT so that /_status doesn't 503.
ghostunnel = run_ghostunnel([
'server', '--quiet=conns', '--listen={0}:13001'.format(LOCALHOST),
'--target={0}:13002'.format(LOCALHOST), '--keystore=server.p12',
'--cacert=root.crt', '--allow-ou=client',
'--status={0}:{1}'.format(LOCALHOST, STATUS_PORT)
],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
def urlopen(path):
return urllib.request.urlopen(path, cafile='root.crt')
# block until ghostunnel is up
TcpClient(STATUS_PORT).connect(20)
# send some requests to status endpoints
metrics = json.loads(
str(
urlopen('https://{0}:{1}/_metrics'.format(
LOCALHOST, STATUS_PORT)).read(), 'utf-8'))
# send some data through proxy
pair1 = SocketPair(TlsClient('client', 'root', 13001),
TcpServer(13002))
pair1.validate_can_send_from_client('toto', 'works')
pair1.validate_can_send_from_server('toto', 'works')
pair1.cleanup()
terminate(ghostunnel)
root1.create_signed_cert('client1')
root1.create_signed_cert('new_client1')
root2 = RootCert('new_root')
root2.create_signed_cert('server2')
# start ghostunnel
ghostunnel = run_ghostunnel([
'client', '--listen={0}:13001'.format(LOCALHOST),
'--target={0}:13002'.format(LOCALHOST), '--keystore=client1.p12',
'--timed-reload=1s', '--cacert=root1.crt',
'--status={0}:{1}'.format(LOCALHOST, STATUS_PORT)
])
# ensure ghostunnel connects with server1
pair1 = SocketPair(TcpClient(13001),
TlsServer('server1', 'root1', 13002))
pair1.validate_can_send_from_client("toto", "pair1 works")
pair1.validate_client_cert("client1", "pair1: ou=client1 -> ...")
# check certificate on status port
TlsClient(None, 'root1', STATUS_PORT).connect(20, 'client1')
print_ok("got client1 on /_status")
# replace keystore and check ghostunnel connects with new_client1
print_ok("replacing certificates")
os.rename('new_client1.p12', 'client1.p12')
# reload should happen automatically
TlsClient(None, 'root1', STATUS_PORT).connect(20, 'new_client1')
print_ok("reload done")
# create certs
root = RootCert('root')
root.create_signed_cert('server')
root.create_signed_cert('new_server')
root.create_signed_cert('client')
# start ghostunnel
ghostunnel = run_ghostunnel([
'server', '--listen={0}:13000'.format(LOCALHOST),
'--target={0}:13001'.format(LOCALHOST), '--keystore=server.p12',
'--cacert=root.crt', '--allow-ou=client', '--connect-timeout=1s',
'--status={0}:{1}'.format(LOCALHOST, STATUS_PORT)
])
# connect but don't perform handshake
client = TcpClient(13000)
client.connect(20)
client.get_socket().setblocking(False)
def urlopen(path):
return urllib.request.urlopen(path, cafile='root.crt')
# wait until handshake times out
timeout = False
for _ in range(0, 20):
metrics = json.loads(
str(
urlopen("https://{0}:{1}/_metrics".format(
LOCALHOST, STATUS_PORT)).read(), 'utf-8'))
timeouts = [
m['value'] for m in metrics if "accept.timeout" in m['metric']
root.create_signed_cert('new_server')
root.create_signed_cert('client')
# start ghostunnel
ghostunnel = run_ghostunnel(['server',
'--listen={0}:13000'.format(LOCALHOST),
'--target={0}:13001'.format(LOCALHOST),
'--keystore=server.p12',
'--cacert=root.crt',
'--allow-ou=client',
'--connect-timeout=1s',
'--status={0}:{1}'.format(LOCALHOST,
STATUS_PORT)])
# connect but don't perform handshake
client = TcpClient(13000)
client.connect(20)
client.get_socket().setblocking(False)
def urlopen(path):
return urllib.request.urlopen(path, cafile='root.crt')
# wait until handshake times out
timeout = False
for _ in range(0, 20):
metrics = json.loads(str(urlopen(
"https://{0}:{1}/_metrics".format(LOCALHOST, STATUS_PORT)).read(), 'utf-8'))
timeouts = [m['value']
for m in metrics if "accept.timeout" in m['metric']]
if timeouts[0] > 0:
print_ok("handshake timed out, as expected")
root1.create_signed_cert('new_client1')
root2 = RootCert('new_root')
root2.create_signed_cert('server2')
# start ghostunnel
ghostunnel = run_ghostunnel(['client',
'--listen={0}:13001'.format(LOCALHOST),
'--target={0}:13002'.format(LOCALHOST),
'--keystore=client1.p12',
'--cacert=root1.crt',
'--status={0}:{1}'.format(LOCALHOST,
STATUS_PORT)])
# ensure ghostunnel connects with server1
pair1 = SocketPair(TcpClient(13001), TlsServer(
'server1', 'root1', 13002))
pair1.validate_can_send_from_client("toto", "pair1 works")
pair1.validate_client_cert("client1", "pair1: ou=client1 -> ...")
# check certificate on status port
TlsClient(None, 'root1', STATUS_PORT).connect(20, 'client1')
print_ok("got client1 on /_status")
# replace keystore and check ghostunnel connects with new_client1
os.rename('new_client1.p12', 'client1.p12')
ghostunnel.send_signal(signal.SIGUSR1)
TlsClient(None, 'root1', STATUS_PORT).connect(20, 'new_client1')
print_ok("reload done")
pair2 = SocketPair(TcpClient(13001), TlsServer(