Revision 03a592b9
b/vncauthproxy/client.py | ||
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25 | 25 |
except ImportError: |
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import json |
27 | 27 |
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CTRL_SOCKET = "/var/run/vncauthproxy/ctrl.sock" |
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DEFAULT_CTRL_SOCKET = "/var/run/vncauthproxy/ctrl.sock"
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def request_forwarding(sport, daddr, dport, password): |
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assert(len(password) > 0) |
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def parse_arguments(args): |
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from optparse import OptionParser |
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|
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parser = OptionParser() |
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parser.add_option("-c", "--socket", dest="ctrl_socket", |
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default=DEFAULT_CTRL_SOCKET, |
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metavar="PATH", |
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help=("UNIX socket for connecting to vncauthproxy " |
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"(default: %s)" % DEFAULT_CTRL_SOCKET)) |
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parser.add_option('-s', dest="sport", |
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default=0, type="int", |
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metavar='PORT', |
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help=("Use source port PORT for incoming connections " |
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"(default: allocate a port automatically)")) |
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parser.add_option("-d", "--dest", |
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default=None, dest="daddr", |
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metavar="HOST", |
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help="Proxy connection to destination host HOST") |
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parser.add_option("-p", "--dport", dest="dport", |
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default=None, type="int", |
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metavar="PORT", |
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help="Proxy connection to destination port PORT") |
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parser.add_option("-P", "--password", dest="password", |
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default=None, |
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metavar="PASSWORD", |
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help=("Use password PASSWD to authenticate incoming " |
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"VNC connections")) |
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(opts, args) = parser.parse_args(args) |
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# Mandatory arguments |
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if not opts.password: |
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parser.error("The -P/--password argument is mandatory.") |
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if not opts.daddr: |
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parser.error("The -d/--dest argument is mandatory.") |
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if not opts.dport: |
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parser.error("The -p/--dport argument is mandatory.") |
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return (opts, args) |
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def request_forwarding(sport, daddr, dport, password, |
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ctrl_socket=DEFAULT_CTRL_SOCKET): |
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"""Connect to vncauthproxy and request a VNC forwarding.""" |
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if not password: |
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raise ValueError("You must specify a non-empty password") |
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req = { |
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"source_port": int(sport), |
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"destination_address": daddr, |
... | ... | |
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} |
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ctrl = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) |
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ctrl.connect(CTRL_SOCKET)
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ctrl.connect(ctrl_socket)
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ctrl.send(json.dumps(req)) |
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response = ctrl.recv(1024) |
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res = json.loads(response) |
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return res |
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if __name__ == '__main__': |
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res = request_forwarding(*sys.argv[1:]) |
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(opts, args) = parse_arguments(sys.argv[1:]) |
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res = request_forwarding(sport=opts.sport, daddr=opts.daddr, |
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dport=opts.dport, password=opts.password, |
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ctrl_socket=opts.ctrl_socket) |
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sys.stderr.write("Forwaring %s -> %s:%s: %s\n" % (res['source_port'], |
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opts.daddr, opts.dport, |
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res['status'])) |
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if res['status'] == "OK": |
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sys.exit(0) |
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else: |
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