Ejemplo n.º 1
0
def start_client(**kwargs):
    host = kwargs['host']
    backend_port = kwargs.get('backend_port')

    if not backend_port:
        try:
            backend_port = util.discover_backend_port(host)
        except:
            print "  ERROR: Unable to connect to service."
            sys.exit(0)

    frontend_ip = socket.gethostbyname(host.split(':')[0])
    frontend_address, frontend_hostname = util.parse_address(host,
            default_ip=frontend_ip)
    backend = (frontend_address[0], backend_port)

    name = kwargs['name']

    client = util.client_name()
    target = util.parse_address(kwargs['target'])[0]
    try:
        control = eventlet.connect(backend)
        control.sendall(protocol.version)
        protocol.send_message(control,
            protocol.control_request(
                name=name,
                client=client,
        ))
        reply = protocol.recv_message(control)
        if reply and 'control' in reply:
            reply = reply['control']

            def maintain_proxy_backend_pool():
                pool = eventlet.greenpool.GreenPool(reply['concurrency'])
                while True:
                    pool.spawn_n(open_proxy_backend,
                            backend, target, name, client)
            proxying = eventlet.spawn(maintain_proxy_backend_pool)

            print "  {0}".format(reply['banner'])
            print "  Port {0} is now accessible from http://{1} ...\n".format(
                    target[1], reply['host'])

            try:
                while True:
                    message = protocol.recv_message(control)
                    assert message == protocol.control_ping()
                    protocol.send_message(control, protocol.control_pong())
            except (IOError, AssertionError):
                proxying.kill()

        elif reply and 'error' in reply:
            print "  ERROR: {0}".format(reply['message'])
        else:
            print "  ERROR: Unexpected server reply."
            print "         Make sure you have the latest version of the client."
    except KeyboardInterrupt:
        pass
Ejemplo n.º 2
0
def start_client(**kwargs):
    host = kwargs["host"]
    backend_port = kwargs.get("backend_port")
    use_ssl = kwargs.get("use_ssl", False)
    ssl_opts = kwargs.get("ssl_opts", {})

    if not backend_port:
        try:
            backend_port = util.discover_backend_port(host)
        except:
            print "  ERROR: Unable to connect to service."
            sys.exit(0)

    frontend_ip = socket.gethostbyname(host.split(":")[0])
    frontend_address, frontend_hostname = util.parse_address(host, default_ip=frontend_ip)
    backend = (frontend_address[0], backend_port)

    name = kwargs["name"]

    client = util.client_name()
    target = util.parse_address(kwargs["target"])[0]
    try:
        control = eventlet.connect(backend)
        if use_ssl:
            control = eventlet.wrap_ssl(control, server_side=False, **ssl_opts)
        control.sendall(protocol.version)
        protocol.send_message(control, protocol.control_request(name=name, client=client))
        reply = protocol.recv_message(control)
        if reply and "control" in reply:
            reply = reply["control"]

            def maintain_proxy_backend_pool():
                pool = eventlet.greenpool.GreenPool(reply["concurrency"])
                while True:
                    pool.spawn_n(open_proxy_backend, backend, target, name, client, use_ssl, ssl_opts)

            proxying = eventlet.spawn(maintain_proxy_backend_pool)

            print "  {0}".format(reply["banner"])
            print "  Port {0} is now accessible from http://{1} ...\n".format(target[1], reply["host"])

            try:
                while True:
                    message = protocol.recv_message(control)
                    assert message == protocol.control_ping()
                    protocol.send_message(control, protocol.control_pong())
            except (IOError, AssertionError):
                proxying.kill()

        elif reply and "error" in reply:
            print "  ERROR: {0}".format(reply["message"])
        else:
            print "  ERROR: Unexpected server reply."
            print "         Make sure you have the latest version of the client."
    except KeyboardInterrupt:
        pass
Ejemplo n.º 3
0
def start_client(**kwargs):
    host = kwargs['host']

    try:
        backend_port = util.discover_backend_port(host)
    except:
        print "  ERROR: Unable to connect to service."
        sys.exit(0)
    frontend_ip = socket.gethostbyname(host.split(':')[0])
    frontend_address, frontend_hostname = util.parse_address(
        host, default_ip=frontend_ip)
    backend = (frontend_address[0], backend_port)

    name = kwargs['name']

    client = util.client_name()
    target = util.parse_address(kwargs['target'])[0]
    try:
        control = eventlet.connect(backend)
        control.sendall(protocol.version)
        protocol.send_message(
            control, protocol.control_request(
                name=name,
                client=client,
            ))
        reply = protocol.recv_message(control)
        if reply and 'control' in reply:
            reply = reply['control']

            def maintain_proxy_backend_pool():
                pool = eventlet.greenpool.GreenPool(reply['concurrency'])
                while True:
                    pool.spawn_n(open_proxy_backend, backend, target, name,
                                 client)

            proxying = eventlet.spawn(maintain_proxy_backend_pool)

            print "  {0}".format(reply['banner'])
            print "  Port {0} is now accessible from http://{1} ...\n".format(
                target[1], reply['host'])

            try:
                while True:
                    message = protocol.recv_message(control)
                    assert message == protocol.control_ping()
                    protocol.send_message(control, protocol.control_pong())
            except (IOError, AssertionError):
                proxying.kill()

        elif reply and 'error' in reply:
            print "  ERROR: {0}".format(reply['message'])
        else:
            print "  ERROR: Unexpected server reply."
            print "         Make sure you have the latest version of the client."
    except KeyboardInterrupt:
        pass
Ejemplo n.º 4
0
    except RuntimeError, e:
        protocol.send_message(socket, error_reply('notavailable'))
        socket.close()
        return
    protocol.send_message(socket, protocol.control_reply(
        host=HOST_TEMPLATE.format(tunnel.name),
        banner=BANNER,
        concurrency=Tunnel.max_pool_size,
    ))
    logging.info("created tunnel:\"{0}\" by client:\"{1}\"".format(
            tunnel.name, tunnel.client))

    try:
        while True:
            eventlet.sleep(HEARTBEAT_INTERVAL)
            protocol.send_message(socket, protocol.control_ping())
            with Timeout(HEARTBEAT_INTERVAL):
                message = protocol.recv_message(socket)
                assert message == protocol.control_pong()
    except (IOError, AssertionError, Timeout):
        logging.debug("expiring tunnel:\"{0}\"".format(tunnel.name))
        tunnel.destroy()

@metrics.time_calls(name='proxy_conn')
def handle_proxy_request(socket, request):
    try:
        tunnel = Tunnel.get_by_proxy_request(request)
    except RuntimeError, e:
        protocol.send_message(socket, protocol.error_reply('notavailable'))
        socket.close()
        return
Ejemplo n.º 5
0
        socket.close()
        return
    protocol.send_message(
        socket,
        protocol.control_reply(
            host=HOST_TEMPLATE.format(tunnel.name),
            banner=BANNER,
            concurrency=Tunnel.max_pool_size,
        ))
    logging.info("created tunnel:\"{0}\" by client:\"{1}\"".format(
        tunnel.name, tunnel.client))

    try:
        while True:
            eventlet.sleep(HEARTBEAT_INTERVAL)
            protocol.send_message(socket, protocol.control_ping())
            with Timeout(HEARTBEAT_INTERVAL):
                message = protocol.recv_message(socket)
                assert message == protocol.control_pong()
    except (IOError, AssertionError, Timeout):
        logging.debug("expiring tunnel:\"{0}\"".format(tunnel.name))
        tunnel.destroy()


def handle_proxy(socket, request):
    try:
        tunnel = Tunnel.get_by_proxy_request(request)
    except RuntimeError, e:
        protocol.send_message(socket, protocol.error_reply('notavailable'))
        socket.close()
        return
Ejemplo n.º 6
0
def run():
    parser = argparse.ArgumentParser(
                description='Open a public HTTP tunnel to a local server')
    parser.add_argument('-s', dest='host', metavar='address',
                default='v2.localtunnel.com',
                help='localtunnel server address (default: v2.localtunnel.com)')
    parser.add_argument('--version', action='store_true',
                help='show version information for client and server')
    parser.add_argument('-m', action='store_true',
                help='show server metrics and exit')


    if '--version' in sys.argv:
        args = parser.parse_args()
        print "client: {}".format(__version__)
        try:
            server_version = util.lookup_server_version(args.host)
        except:
            server_version = '??'
        print "server: {} ({})".format(server_version, args.host)
        sys.exit(0)
    elif '-m' in sys.argv:
        args = parser.parse_args()
        util.print_server_metrics(args.host)
        sys.exit(0)

    parser.add_argument('-n', dest='name', metavar='name',
                default=str(uuid.uuid4()).split('-')[-1],
                help='name of the tunnel (default: randomly generate)')
    parser.add_argument('-c', dest='concurrency', type=int,
                metavar='concurrency', default=3,
                help='number of concurrent backend connections')
    parser.add_argument('target', metavar='target', type=str,
                help='local target port or address of server to tunnel to')
    args = parser.parse_args()


    backend_port = util.discover_backend_port(args.host)
    frontend_address, frontend_hostname = util.parse_address(args.host)
    backend = (frontend_address[0], backend_port)

    name = args.name
    client = util.client_name()
    target = util.parse_address(args.target)[0]

    try:
        control = eventlet.connect(backend)
        control.sendall(protocol.version)
        protocol.send_message(control,
            protocol.control_request(
                name=name,
                client=client,
        ))
        reply = protocol.recv_message(control)
        if reply and 'control' in reply:
            reply = reply['control']

            def maintain_proxy_backend_pool():
                pool = eventlet.greenpool.GreenPool(reply['concurrency'])
                while True:
                    pool.spawn_n(open_proxy_backend,
                            backend, target, name, client)
            proxying = eventlet.spawn(maintain_proxy_backend_pool)

            print "  {0}".format(reply['banner'])
            print "  Port {0} is now accessible from http://{1} ...\n".format(
                    target[1], reply['host'])

            try:
                while True:
                    message = protocol.recv_message(control)
                    assert message == protocol.control_ping()
                    protocol.send_message(control, protocol.control_pong())
            except (IOError, AssertionError):
                proxying.kill()

        elif reply and 'error' in reply:
            print "  ERROR: {0}".format(reply['message'])
        else:
            print "  ERROR: Unexpected server reply."
            print "         Make sure you have the latest version of the client."
    except KeyboardInterrupt:
        pass
Ejemplo n.º 7
0
def run():
    parser = argparse.ArgumentParser(
                description='Open a public HTTP tunnel to a local server')
    parser.add_argument('-s', dest='host', metavar='address',
                default='v2.localtunnel.com',
                help='localtunnel server address (default: v2.localtunnel.com)')
    parser.add_argument('--version', action='store_true',
                help='show version information for client and server')
    parser.add_argument('-m', action='store_true',
                help='show server metrics and exit')

    
    if '--version' in sys.argv:
        args = parser.parse_args()
        print "client: {}".format(__version__)
        try:
            server_version = util.lookup_server_version(args.host)
        except:
            server_version = '??'
        print "server: {} ({})".format(server_version, args.host)
        sys.exit(0)
    elif '-m' in sys.argv:
        args = parser.parse_args()
        util.print_server_metrics(args.host)
        sys.exit(0)
    
    parser.add_argument('-n', dest='name', metavar='name',
                default=str(uuid.uuid4()).split('-')[-1], 
                help='name of the tunnel (default: randomly generate)')
    parser.add_argument('-c', dest='concurrency', type=int,
                metavar='concurrency', default=3,
                help='number of concurrent backend connections')
    parser.add_argument('port', metavar='port', type=int,
                help='local port of server to tunnel to')
    args = parser.parse_args()

        
    host = args.host.split(':')
    if len(host) == 1:
        backend_port = util.discover_backend_port(host[0])
    else:
        backend_port = util.discover_backend_port(host[0], int(host[1]))
    backend = (host[0], backend_port)

    name = args.name
    client = util.client_name()
    port = args.port

    try:
        control = eventlet.connect(backend)
        control.sendall(protocol.version)
        protocol.send_message(control, 
            protocol.control_request(
                name=name, 
                client=client,
        ))
        reply = protocol.recv_message(control)
        if reply and 'control' in reply:
            reply = reply['control']

            def maintain_proxy_backend_pool():
                pool = eventlet.greenpool.GreenPool(reply['concurrency'])
                while True:
                    pool.spawn_n(open_proxy_backend, 
                            backend, port, name, client)
            proxying = eventlet.spawn(maintain_proxy_backend_pool)

            print "  {0}".format(reply['banner'])
            print "  Port {0} is now accessible from http://{1} ...\n".format(
                    port, reply['host'])

            try:
                while True:
                    message = protocol.recv_message(control)
                    assert message == protocol.control_ping()
                    protocol.send_message(control, protocol.control_pong())
            except (IOError, AssertionError):
                proxying.kill()
            
        elif reply and 'error' in reply:
            print "  ERROR: {0}".format(reply['message'])
        else:
            print "  ERROR: Unexpected server reply."
            print "         Make sure you have the latest version of the client."
    except KeyboardInterrupt:
        pass