120 lines
4.1 KiB
Python
Executable File
120 lines
4.1 KiB
Python
Executable File
#!/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.
|
|
|
|
"""VNC Console Proxy Server."""
|
|
|
|
import eventlet
|
|
import gettext
|
|
import os
|
|
import sys
|
|
|
|
possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
|
|
os.pardir,
|
|
os.pardir))
|
|
if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')):
|
|
sys.path.insert(0, possible_topdir)
|
|
|
|
gettext.install('nova', unicode=1)
|
|
|
|
from nova import flags
|
|
from nova import log as logging
|
|
from nova import service
|
|
from nova import utils
|
|
from nova import wsgi
|
|
from nova import version
|
|
from nova.vnc import auth
|
|
from nova.vnc import proxy
|
|
|
|
|
|
LOG = logging.getLogger('nova.vnc-proxy')
|
|
|
|
|
|
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('vnc_token_ttl', 300,
|
|
'How many seconds before deleting tokens')
|
|
flags.DEFINE_string('vncproxy_manager', 'nova.vnc.auth.VNCProxyAuthManager',
|
|
'Manager for vncproxy auth')
|
|
|
|
flags.DEFINE_flag(flags.HelpFlag())
|
|
flags.DEFINE_flag(flags.HelpshortFlag())
|
|
flags.DEFINE_flag(flags.HelpXMLFlag())
|
|
|
|
|
|
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()
|
|
|
|
if __name__ == "__main__":
|
|
utils.default_flagfile()
|
|
FLAGS(sys.argv)
|
|
logging.setup()
|
|
|
|
LOG.audit(_("Starting nova-vnc-proxy 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)
|
|
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)
|
|
|
|
service.serve()
|
|
|
|
server = wsgi.Server("VNC Proxy",
|
|
with_auth,
|
|
host=FLAGS.vncproxy_host,
|
|
port=FLAGS.vncproxy_port)
|
|
server.start()
|
|
server.start_tcp(handle_flash_socket_policy, 843, host=FLAGS.vncproxy_host)
|
|
|
|
server.wait()
|