linux - Request authentication on gatt server with BlueZ 5.37 -

i running on rpi gatt server(example-gatt-server modified) using bluez ble stack , runs fine wandering if managed set pin authentication server. haven't found info online this, don't know if gatt profile supports pin authentication.

#!/usr/bin/python  __future__ import absolute_import, print_function, unicode_literals  optparse import optionparser import sys import dbus import dbus.service import dbus.mainloop.glib  import gobject gobject import bluezutils  import config_file import config_def  bus_name = 'org.bluez' agent_interface = 'org.bluez.agent1' agent_path = "/test/agent"  bus = none device_obj = none dev_path = none   def ask(prompt):     try:         return raw_input(prompt)     except:         return input(prompt)   def set_trusted(path):     props = dbus.interface(bus.get_object("org.bluez", path), "org.freedesktop.dbus.properties")     props.set("org.bluez.device1", "trusted", true)   def dev_connect(path):     dev = dbus.interface(bus.get_object("org.bluez", path), "org.bluez.device1")     dev.connect()   class rejected(dbus.dbusexception):     _dbus_error_name = "org.bluez.error.rejected"   class agent(dbus.service.object):     exit_on_release = true      def set_exit_on_release(self, exit_on_release):         self.exit_on_release = exit_on_release      @dbus.service.method(agent_interface, in_signature="", out_signature="")     def release(self):         print("release")         if self.exit_on_release:             mainloop.quit()      @dbus.service.method(agent_interface, in_signature="os", out_signature="")     def authorizeservice(self, device, uuid):         print("authorizeservice (%s, %s)" % (device, uuid))         authorize = ask("authorize connection (yes/no): ")         if (authorize == "yes"):             return         raise rejected("connection rejected user")      @dbus.service.method(agent_interface, in_signature="o", out_signature="s")     def requestpincode(self, device):         print("requestpincode (%s)" % (device))         set_trusted(device)         return ask("enter pin code: ")         #return config_file.get(config_def.ble_section, config_def.ble_pin)      @dbus.service.method(agent_interface, in_signature="o", out_signature="u")     def requestpasskey(self, device):         print("requestpasskey (%s)" % (device))         set_trusted(device)         passkey = ask("enter passkey: ")         return dbus.uint32(passkey)         #return config_file.get(config_def.ble_section, config_def.ble_pin)      @dbus.service.method(agent_interface, in_signature="ouq", out_signature="")     def displaypasskey(self, device, passkey, entered):         print("displaypasskey (%s, %06u entered %u)" % (device, passkey, entered))      @dbus.service.method(agent_interface, in_signature="os", out_signature="")     def displaypincode(self, device, pincode):         print("displaypincode (%s, %s)" % (device, pincode))      @dbus.service.method(agent_interface, in_signature="ou", out_signature="")     def requestconfirmation(self, device, passkey):         print("requestconfirmation (%s, %06d)" % (device, passkey))         confirm = ask("confirm passkey (yes/no): ")         if (confirm == "yes"):             set_trusted(device)             return         raise rejected("passkey doesn't match")      @dbus.service.method(agent_interface, in_signature="o", out_signature="")     def requestauthorization(self, device):         print("requestauthorization (%s)" % (device))         auth = ask("authorize? (yes/no): ")         if (auth == "yes"):             return         raise rejected("pairing rejected")      @dbus.service.method(agent_interface, in_signature="", out_signature="")     def cancel(self):         print("cancel")   def pair_reply():     print("device paired")     set_trusted(dev_path)     dev_connect(dev_path)     mainloop.quit()   def pair_error(error):     err_name = error.get_dbus_name()     if err_name == "org.freedesktop.dbus.error.noreply" , device_obj:         print("timed out. cancelling pairing")         device_obj.cancelpairing()     else:         print("creating device failed: %s" % (error))      mainloop.quit()   if __name__ == '__main__':     dbus.mainloop.glib.dbusgmainloop(set_as_default=true)      bus = dbus.systembus()      capability = "keyboarddisplay"      parser = optionparser()     parser.add_option("-i", "--adapter", action="store",                   type="string",                   dest="adapter_pattern",                   default=none)     parser.add_option("-c", "--capability", action="store",                   type="string", dest="capability")     parser.add_option("-t", "--timeout", action="store",                   type="int", dest="timeout",                   default=60000)     (options, args) = parser.parse_args()     if options.capability:         capability = options.capability      path = "/test/agent"     agent = agent(bus, path)      mainloop = gobject.mainloop()      print("capability:" + capability)      obj = bus.get_object(bus_name, "/org/bluez");     manager = dbus.interface(obj, "org.bluez.agentmanager1")     manager.registeragent(path, capability)     #manager.registeragent(agent, capability)      print("agent registered")      # fix-up old style invocation (bluez 4)     if len(args) > 0 , args[0].startswith("hci"):         options.adapter_pattern = args[0]         del args[:1]      if len(args) > 0:         print("custom agent registered")          device = bluezutils.find_device(args[0],                                     options.adapter_pattern)         dev_path = device.object_path         agent.set_exit_on_release(false)         device.pair(reply_handler=pair_reply, error_handler=pair_error,                 timeout=60000)         device_obj = device     else:         manager.requestdefaultagent(path)         #manager.requestdefaultagent(agent)         print("default agent registered")      mainloop.run()