Files
nova/nova/vnc/server.py
T
Ewan Mellor 43214c6e99 Bug #896997: nova-vncproxy's flash socket policy port is not configurable
Add flags called vncproxy_flash_socket_policy_port and
vncproxy_flash_socket_policy_host, to allow the admin to configure
the Flash socket policy listener.

Change-Id: If42839ccd86f1c8723221049d7c76b6f5ad0aa2d
2011-11-29 19:55:25 -08:00

101 lines
3.9 KiB
Python

#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2010 Openstack, LLC.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Auth Components for VNC Console."""
import os
import sys
from nova import flags
from nova import log as logging
from nova import version
from nova import wsgi
from nova.vnc import auth
from nova.vnc import proxy
LOG = logging.getLogger('nova.vncproxy')
FLAGS = flags.FLAGS
flags.DEFINE_string('vncproxy_wwwroot', '/var/lib/nova/noVNC/',
'Full path to noVNC directory')
flags.DEFINE_boolean('vnc_debug', False,
'Enable debugging features, like token bypassing')
flags.DEFINE_integer('vncproxy_port', 6080,
'Port that the VNC proxy should bind to')
flags.DEFINE_string('vncproxy_host', '0.0.0.0',
'Address that the VNC proxy should bind to')
flags.DEFINE_integer('vncproxy_flash_socket_policy_port', 843,
'Port that the socket policy listener should bind to')
flags.DEFINE_string('vncproxy_flash_socket_policy_host', '0.0.0.0',
'Address that the socket policy listener should bind to')
flags.DEFINE_integer('vnc_token_ttl', 300,
'How many seconds before deleting tokens')
flags.DEFINE_string('vncproxy_manager', 'nova.vnc.auth.VNCProxyAuthManager',
'Manager for vncproxy auth')
def get_wsgi_server():
LOG.audit(_("Starting nova-vncproxy node (version %s)"),
version.version_string_with_vcs())
if not (os.path.exists(FLAGS.vncproxy_wwwroot) and
os.path.exists(FLAGS.vncproxy_wwwroot + '/vnc_auto.html')):
LOG.info(_("Missing vncproxy_wwwroot (version %s)"),
FLAGS.vncproxy_wwwroot)
LOG.info(_("You need a slightly modified version of noVNC "
"to work with the nova-vnc-proxy"))
LOG.info(_("Check out the most recent nova noVNC code: %s"),
"git://github.com/sleepsonthefloor/noVNC.git")
LOG.info(_("And drop it in %s"), FLAGS.vncproxy_wwwroot)
sys.exit(1)
app = proxy.WebsocketVNCProxy(FLAGS.vncproxy_wwwroot)
LOG.audit(_("Allowing access to the following files: %s"),
app.get_whitelist())
with_logging = auth.LoggingMiddleware(app)
if FLAGS.vnc_debug:
with_auth = proxy.DebugMiddleware(with_logging)
else:
with_auth = auth.VNCNovaAuthMiddleware(with_logging)
wsgi_server = wsgi.Server("VNC Proxy",
with_auth,
host=FLAGS.vncproxy_host,
port=FLAGS.vncproxy_port)
wsgi_server.start_tcp(handle_flash_socket_policy,
host=FLAGS.vncproxy_flash_socket_policy_host,
port=FLAGS.vncproxy_flash_socket_policy_port)
return wsgi_server
def handle_flash_socket_policy(socket):
LOG.info(_("Received connection on flash socket policy port"))
fd = socket.makefile('rw')
expected_command = "<policy-file-request/>"
if expected_command in fd.read(len(expected_command) + 1):
LOG.info(_("Received valid flash socket policy request"))
fd.write('<?xml version="1.0"?><cross-domain-policy><allow-'
'access-from domain="*" to-ports="%d" /></cross-'
'domain-policy>' % (FLAGS.vncproxy_port))
fd.flush()
socket.close()