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# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2024 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 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: (dbus.SystemBus | None) = 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
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