diff options
Diffstat (limited to 'kvmd/plugins/hid/bt/bluez.py')
| -rw-r--r-- | kvmd/plugins/hid/bt/bluez.py | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/kvmd/plugins/hid/bt/bluez.py b/kvmd/plugins/hid/bt/bluez.py new file mode 100644 index 00000000..48639f69 --- /dev/null +++ b/kvmd/plugins/hid/bt/bluez.py @@ -0,0 +1,110 @@ +# ========================================================================== # +# # +# KVMD - The main Pi-KVM daemon. # +# # +# Copyright (C) 2018 Maxim Devaev <[email protected]> # +# # +# This program is free software: you can redistribute it and/or modify # +# it under the terms of the GNU General Public License as published by # +# the Free Software Foundation, either version 3 of the License, or # +# (at your option) any later version. # +# # +# This program is distributed in the hope that it will be useful, # +# but WITHOUT ANY WARRANTY; without even the implied warranty of # +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # +# GNU General Public License for more details. # +# # +# You should have received a copy of the GNU General Public License # +# along with this program. If not, see <https://www.gnu.org/licenses/>. # +# # +# ========================================================================== # + + +import types + +from typing import Type +from typing import Optional +from typing import Any + +import dbus +import dbus.proxies + + +# ===== +HID_CTL_PORT = 17 +HID_INT_PORT = 19 + + +# ===== +class BluezIface: + # https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/doc/profile-api.txt + # https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/doc/adapter-api.txt + # qdbus --system org.bluez /org/bluez/hci0 org.bluez.Adapter1.Address + + def __init__( + self, + iface: str, + alias: str, + sdp_record: str, + pairing_required: bool, + auth_required: bool, + ) -> None: + + self.__iface = iface + self.__alias = alias + self.__sdp_record = sdp_record + self.__pairing_required = pairing_required + self.__auth_required = auth_required + + self.__bus: Optional[dbus.SystemBus] = None + + def get_address(self) -> str: + return self.__get_prop("Address") + + def configure(self) -> None: + self.__set_prop("Alias", self.__alias) + manager = dbus.Interface(self.__get_object("/org/bluez"), "org.bluez.ProfileManager1") + manager.RegisterProfile(f"/org/bluez/{self.__iface}", "00001124-0000-1000-8000-00805F9B34FB", { + "ServiceRecord": self.__sdp_record, + "Role": "server", + "RequireAuthentication": self.__pairing_required, + "RequireAuthorization": self.__auth_required, + }) + self.__set_prop("Powered", True) + + def set_public(self, public: bool) -> None: + self.__set_prop("Pairable", public) + self.__set_prop("Discoverable", public) + + def unpair(self, addr: str) -> None: + adapter = dbus.Interface(self.__get_object(f"/org/bluez/{self.__iface}"), "org.bluez.Adapter1") + adapter.RemoveDevice(f"/org/bluez/hci0/dev_{addr.upper().replace(':', '_')}") + + def __get_prop(self, key: str) -> Any: + return self.__get_props().Get("org.bluez.Adapter1", key) + + def __set_prop(self, key: str, value: Any) -> None: + self.__get_props().Set("org.bluez.Adapter1", key, value) + + def __get_props(self) -> dbus.Interface: + return dbus.Interface(self.__get_object(f"/org/bluez/{self.__iface}"), "org.freedesktop.DBus.Properties") + + def __get_object(self, path: str) -> dbus.proxies.ProxyObject: + assert self.__bus is not None + return self.__bus.get_object("org.bluez", path) + + def __enter__(self) -> "BluezIface": + assert self.__bus is None + self.__bus = dbus.SystemBus() + return self + + def __exit__( + self, + _exc_type: Type[BaseException], + _exc: BaseException, + _tb: types.TracebackType, + ) -> None: + + assert self.__bus is not None + self.__bus.close() + self.__bus = None |