class ClientProtocol(LDAPProtocol):
def __init__(self, server=None):
super().__init__()
self.server = server
async def starttls(self):
future = asyncio.Future()
self.transport.resume_reading()
sslcontext = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
sslcontext.load_cert_chain('cert.pem')
self.tlssession = SSLProtocol(loop=self.transport._loop,
app_protocol=self,
sslcontext=sslcontext,
waiter=future,
server_side=True,
server_hostname='localhost')
self.transport._protocol = self.tlssession
self.tlssession.connection_made(self.transport)
await future
def make_attribute_list(self, *args):
hr = rfc4511.PartialAttributeList()
for k, v in args:
k = rfc4511.AttributeDescription(k)
v = rfc4511.AttributeValue(v)
attr = rfc4511.PartialAttribute()
attr[0] = k
attr[1] = rfc4511.SetOfAttributeValue(value=[v])
hr.append(attr)
return hr
class ClientProtocol(LDAPProtocol):
def __init__(self, server=None):
super().__init__()
self.server = server
async def starttls(self):
future = asyncio.Future()
self.transport.resume_reading()
sslcontext = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
sslcontext.load_cert_chain('cert.pem')
self.tlssession = SSLProtocol( loop=self.transport._loop, app_protocol=self, sslcontext=sslcontext, waiter=future, server_side=True, server_hostname='localhost' )
self.transport._protocol = self.tlssession
self.tlssession.connection_made( self.transport )
await future
def make_attribute_list(self, *args):
hr = rfc4511.PartialAttributeList()
for k,v in args:
k = rfc4511.AttributeDescription(k)
v = rfc4511.AttributeValue(v)
attr = rfc4511.PartialAttribute()
attr[0] = k
attr[1] = rfc4511.SetOfAttributeValue(value=[v])
hr.append( attr )
return hr
def upgrade_transport(self,
context: ssl.SSLContext,
server_hostname: str = None,
waiter: Awaitable = None) -> SSLProtocol:
"""
Upgrade our transport to TLS in place.
"""
assert not self._over_ssl, 'Already using TLS'
if self._stream_reader is None or self._stream_writer is None:
raise SMTPServerDisconnected('Client not connected')
transport = self._stream_reader._transport # type: ignore
tls_protocol = SSLProtocol(self._loop,
self,
context,
waiter,
server_side=False,
server_hostname=server_hostname)
app_transport = tls_protocol._app_transport
# Use set_protocol if we can
if hasattr(transport, 'set_protocol'):
transport.set_protocol(tls_protocol)
else:
transport._protocol = tls_protocol
self._stream_reader._transport = app_transport # type: ignore
self._stream_writer._transport = app_transport # type: ignore
tls_protocol.connection_made(transport)
self._over_ssl = True # type: bool
return tls_protocol
async def make_pair(c, s):
loop = get_event_loop()
f = Future()
pc = SSLProtocol(loop, c, create_tls_context(), f)
ps = SSLProtocol(loop, s, create_tls_context(), None, server_side=True)
tc = FakeTransport(ps)
ts = FakeTransport(pc)
ps.connection_made(ts)
pc.connection_made(tc)
await f
def wrap_transport(self, waiter):
old_transport = self.stream_writer._transport
old_protocol = self.stream_writer._protocol
tls_protocol = SSLProtocol(self.loop,
old_protocol,
self.tls_context,
waiter,
server_side=True,
call_connection_made=False)
old_transport.set_protocol(tls_protocol)
self.stream_reader._transport = tls_protocol._app_transport
self.stream_writer._transport = tls_protocol._app_transport
tls_protocol.connection_made(old_transport)
tls_protocol._over_ssl = True
async def init_connection(self, loop):
waiter = Future()
hello_sent = Future()
context = create_tls_context()
trans = CaptureClientHello(hello_sent)
ssl_proto = SSLProtocol(loop, ClientProtocol(), context, waiter)
ssl_proto.connection_made(trans)
out_data = await hello_sent
my_random = out_data[15:43]
transport = await self.connected
transport.write(out_data)
await self.hello_received
peer_random = self.buffer[15:43]
if my_random == peer_random:
transport.close()
return
if my_random > peer_random:
print("I am server", self.proxy.name, repr(self), transport)
ssl_proto._waiter = None
ssl_proto._transport = None
context = create_tls_context()
proto = SSLProtocol(loop, ServerProtocol(), context, waiter, server_side=True)
self.proxy.switch(proto)
proto.connection_made(transport)
loop.call_soon(proto.data_received, self.buffer)
else:
print("I am client", self.proxy.name, repr(self), transport)
ssl_proto._transport = transport
self.proxy.switch(ssl_proto)
loop.call_soon(ssl_proto.data_received, self.buffer[self.length+5:])
await waiter
async def init_connection(self, loop, connection):
waiter = Future()
hello_sent = Future()
context = create_tls_context()
trans = CaptureClientHello(hello_sent)
ssl_proto = SSLProtocol(loop, connection, context, waiter)
ssl_proto.connection_made(trans)
out_data = await hello_sent
my_random = out_data[15:43]
transport = await self.connected
transport.write(out_data)
await self.hello_received
peer_random = self.buffer[15:43]
if my_random == peer_random:
transport.close()
return
if my_random > peer_random:
ssl_proto._waiter = None
ssl_proto._transport = None
context = create_tls_context()
proto = SSLProtocol(loop, connection, context, waiter, server_side=True)
self.proxy.switch(proto)
proto.connection_made(transport)
loop.call_soon(proto.data_received, self.buffer)
else:
ssl_proto._transport = transport
self.proxy.switch(ssl_proto)
loop.call_soon(ssl_proto.data_received, self.buffer[self.length+5:])
try:
await waiter
except:
connection.endpoint.connections.pop(connection.addr)
raise
class LDAPClient(LDAPProtocol):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._sequence = 0 # FIXME
self._getters = dict()
def bind(self, user, password, controls=None):
msg = self.make_message()
request = rfc4511.BindRequest()
request[0] = 3
request[1] = user.encode('utf8')
request[2] = rfc4511.AuthenticationChoice('simple',
password.encode('utf8'))
msg[1] = rfc4511.ProtocolOp('bindRequest', request)
self.send(msg)
return self.make_future(FutureSimpleResponse, msg)
def search(
self,
search_base,
search_filter,
search_scope=2, # subtree
dereference_aliases=3, # deref-always
attributes=None,
size_limit=0,
time_limit=0,
types_only=False,
get_operational_attributes=False,
controls=None,
paged_size=None,
paged_criticality=False):
msg = self.make_message()
request = rfc4511.SearchRequest()
request[0] = search_base.encode('utf8')
request[1] = search_scope
request[2] = dereference_aliases
request[3] = size_limit
request[4] = time_limit
request[5] = types_only
kv = rfc4511.AttributeValueAssertion()
kv[0], kv[1] = b'cn', b'hugh'
request[6] = rfc4511.Filter('equalityMatch', kv)
request[7] = rfc4511.AttributeSelection(
value=b'cn givenName sn'.split())
msg[1] = rfc4511.ProtocolOp('searchRequest', request)
self.send(msg)
return self.make_future(FutureSearchResponse, msg)
def extend(self, request_name, request_value=None, controls=None):
msg = self.make_message()
request = rfc4511.ExtendedRequest()
request[0] = request_name.encode('utf8')
if request_value is not None:
request[1] = request_value.encode('utf8')
msg[1] = rfc4511.ProtocolOp('extendedReq', request)
self.send(msg)
return self.make_future(FutureSimpleResponse, msg)
def make_message(self):
self._sequence += 1
msg = rfc4511.LDAPMessage()
msg[0] = self._sequence
return msg
def make_future(self, future_factory, ldap_message):
message_id = int(ldap_message[0])
future = future_factory(message_id)
self._getters[message_id] = future
return future
def message_id_overflowed(self, future, ldap_response):
self.transport.pause_reading()
future.set_resume_reading_callback(
lambda: self.can_resume_reading(future, ldap_response))
def can_resume_reading(self, future, ldap_message):
future.write_response(ldap_message)
self.transport.resume_reading()
def message_received(self, ldap_message):
message_id = int(ldap_message[0])
# unsolicited messages
if message_id == 0:
logging.warn('unsolicited message {}'.format(ldap_message))
return
# route message to getter
future = self._getters.get(message_id, None)
if future is None:
logging.warn('message without getter {}'.format(ldap_message))
return
if future.full():
self.message_id_overflowed(future, ldap_message)
return
future.write_response(ldap_message)
if future.done():
del self._getters[future.message_id]
async def starttls(self):
if self._getters:
raise LDAPExceptionError(
'cannot start tls while any operations are active.')
response = await self.extend('1.3.6.1.4.1.1466.20037')
if int(response[1].chosen[0]) != 0:
raise LDAPExtensionError(response)
future = asyncio.Future()
sslcontext = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
self.tlssession = SSLProtocol(loop=self.transport._loop,
app_protocol=self,
sslcontext=sslcontext,
waiter=future,
server_side=False,
server_hostname=None)
self.transport._protocol = self.tlssession
self.tlssession.connection_made(self.transport)
return (await future)
class LDAPClient(LDAPProtocol):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._sequence = 0 # FIXME
self._getters = dict()
def bind(self, user, password, controls=None):
msg = self.make_message()
request = rfc4511.BindRequest()
request[0] = 3
request[1] = user.encode('utf8')
request[2] = rfc4511.AuthenticationChoice('simple', password.encode('utf8'))
msg[1] = rfc4511.ProtocolOp('bindRequest', request)
self.send(msg)
return self.make_future( FutureSimpleResponse, msg )
def search(self,
search_base,
search_filter,
search_scope=2, # subtree
dereference_aliases=3, # deref-always
attributes=None,
size_limit=0,
time_limit=0,
types_only=False,
get_operational_attributes=False,
controls=None,
paged_size=None,
paged_criticality=False
):
msg = self.make_message()
request = rfc4511.SearchRequest()
request[0] = search_base.encode('utf8')
request[1] = search_scope
request[2] = dereference_aliases
request[3] = size_limit
request[4] = time_limit
request[5] = types_only
kv = rfc4511.AttributeValueAssertion()
kv[0], kv[1] = b'cn', b'hugh'
request[6] = rfc4511.Filter('equalityMatch', kv)
request[7] = rfc4511.AttributeSelection(value=b'cn givenName sn'.split())
msg[1] = rfc4511.ProtocolOp('searchRequest', request)
self.send(msg)
return self.make_future( FutureSearchResponse, msg )
def extend(self, request_name, request_value=None, controls=None):
msg = self.make_message()
request = rfc4511.ExtendedRequest()
request[0] = request_name.encode('utf8')
if request_value is not None:
request[1] = request_value.encode('utf8')
msg[1] = rfc4511.ProtocolOp('extendedReq', request)
self.send(msg)
return self.make_future( FutureSimpleResponse, msg )
def make_message(self):
self._sequence += 1
msg = rfc4511.LDAPMessage()
msg[0] = self._sequence
return msg
def make_future(self, future_factory, ldap_message):
message_id = int(ldap_message[0])
future = future_factory( message_id )
self._getters[ message_id ] = future
return future
def message_id_overflowed(self, future, ldap_response):
self.transport.pause_reading()
future.set_resume_reading_callback( lambda: self.can_resume_reading(future, ldap_response) )
def can_resume_reading(self, future, ldap_message):
future.write_response( ldap_message )
self.transport.resume_reading()
def message_received(self, ldap_message):
message_id = int(ldap_message[0])
# unsolicited messages
if message_id == 0:
logging.warn('unsolicited message {}'.format(ldap_message))
return
# route message to getter
future = self._getters.get( message_id, None )
if future is None:
logging.warn('message without getter {}'.format(ldap_message))
return
if future.full():
self.message_id_overflowed( future, ldap_message )
return
future.write_response( ldap_message )
if future.done():
del self._getters[ future.message_id ]
async def starttls(self):
if self._getters:
raise LDAPExceptionError('cannot start tls while any operations are active.')
response = await self.extend( '1.3.6.1.4.1.1466.20037' )
if int(response[1].chosen[0]) != 0:
raise LDAPExtensionError( response )
future = asyncio.Future()
sslcontext = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
self.tlssession = SSLProtocol( loop=self.transport._loop, app_protocol=self, sslcontext=sslcontext, waiter=future, server_side=False, server_hostname=None )
self.transport._protocol = self.tlssession
self.tlssession.connection_made( self.transport )
return (await future)