fixed keyboard

This commit is contained in:
Surferlul 2022-07-25 13:52:55 +02:00
parent 704943ba62
commit b9aa0ee5f3
3 changed files with 176 additions and 72 deletions

View File

@ -1,12 +1,20 @@
from dataclasses import dataclass
import sys
from os import path
from enum import Enum
class DeviceType(Enum):
KEYBOARD = 0
POINTER = 1
TOUCH = 2
OTHER = 3
@dataclass
class DeviceInfo:
path: str
device_type: str
device_type: DeviceType
@dataclass
@ -57,8 +65,8 @@ def get_config() -> tuple[NetConfig, list[DeviceInfo]]:
case "--event": value = "/dev/input/"
case "--full-path": pass
case "--type":
match args[n+1]:
case "pointer" | "keyboard": key = "type"
match args[n+1].upper():
case "POINTER" | "KEYBOARD" | "TOUCH" | "OTHER": key = "type"
case _: raise ValueError(f"Invalid device type {args[n+1]}")
n += 1
match key:
@ -66,7 +74,8 @@ def get_config() -> tuple[NetConfig, list[DeviceInfo]]:
value = f"{value}{args[n]}"
if path.exists(value):
devices_info[-1].path = value
case "type": devices_info[-1].device_type = args[n]
case "type":
devices_info[-1].device_type = getattr(DeviceType, args[n].upper())
n += 1
if cfg.ip_address == "auto":

View File

@ -2,15 +2,101 @@ from evdev import UInput
from socket import socket
import json
from typing import Generator
from ..config import DeviceType
class EventSequence:
def __init__(self, name: str = "", sequence: list[tuple[int, int, int]] = None):
if sequence is None:
sequence = []
self.name = name
self.sequence = sequence
self.curr = {}
def add(self, event_type: int, event_code: int, event_value: int):
self.sequence.append((event_type, event_code, event_value))
def next(self, fd: int, event_type: int, event_code: int, event_value: int):
if len(self.sequence) == 0:
return True
if fd not in self.curr:
self.curr[fd] = 0
if self.sequence[self.curr[fd]] == (event_type, event_code, event_value):
self.curr[fd] += 1
if self.curr[fd] == len(self.sequence):
self.curr[fd] = 0
return True
else:
self.curr[fd] = 0
return False
def reset(self):
self.curr = {}
class SequenceCollection:
def __init__(self, name: str = "", sequences: list[EventSequence] = None):
if sequences is None:
sequences = []
self.name = name
self.sequences = sequences
def add(self, sequence: EventSequence):
self.sequences.append(sequence)
def next(self, *args):
return sum([sequence.next(*args) for sequence in self.sequences])
def reset(self):
for sequence in self.sequences:
sequence.reset()
def get_double_control_sequences() -> SequenceCollection:
return SequenceCollection("doublecontrol", [
EventSequence("rllr", [
(4, 4, 29),
(1, 29, 1),
(0, 0, 0),
(4, 4, 29),
(0, 0, 0),
(4, 4, 157)
]),
EventSequence("lrrl", [
(4, 4, 157),
(1, 97, 1),
(0, 0, 0),
(4, 4, 157),
(0, 0, 0),
(4, 4, 29)
]),
EventSequence("rlrl", [
(4, 4, 29),
(1, 29, 1),
(0, 0, 0),
(4, 4, 157),
(0, 0, 0),
(4, 4, 29)
]),
EventSequence("lrlr", [
(4, 4, 157),
(1, 97, 1),
(0, 0, 0),
(4, 4, 29),
(0, 0, 0),
(4, 4, 157)
])
])
def receive_devices(s: socket) -> Generator[tuple[int, UInput], None, None]:
while buf_size := int.from_bytes(s.recv(4), byteorder='big'):
fd = int.from_bytes(s.recv(4), byteorder='big')
device_type = DeviceType(int.from_bytes(s.recv(1), byteorder='big'))
cap = json.loads(s.recv(buf_size).decode())
cap = {int(key): cap[key] for key in cap}
del cap[0]
yield fd, UInput(cap, name=f"web-evdev-device-fd{fd}")
yield fd, UInput(cap, name=f"web-evdev-device-fd{fd}"), device_type
def receive_event(s: socket) -> tuple[int, tuple[int, int, int]]:
@ -21,28 +107,46 @@ def receive_event(s: socket) -> tuple[int, tuple[int, int, int]]:
return fd, (event_type, code, value)
def handle_client(s: socket):
d = {}
for fd, device in receive_devices(s):
d[fd] = device
def reset_control(d: dict[int: tuple[UInput, DeviceType]]):
print("trying to reset controls")
for fd in d:
if d[fd][1] != DeviceType.KEYBOARD:
continue
print(f"resetting control keys on keyboard {fd}")
for key in [29, 97]:
d[fd][0].write(1, key, 0)
d[fd][0].syn()
active_keys = {}
def handle_client(s: socket):
control_sequences = get_double_control_sequences()
d = {}
for fd, device, device_type in receive_devices(s):
d[fd] = (device, device_type)
got_control = False
while True:
fd, event = receive_event(s)
if event[0] == 1:
active_keys[event[1]] = event[2]
print(i for i in active_keys if active_keys[i])
if fd == 4294967295:
s.close()
for fd in d:
d[fd].close()
d[fd][0].close()
print("Exiting")
exit()
elif fd == 4278124286:
got_control = True
control_sequences.reset()
print("Control was given")
elif fd == 4261281277:
reset_control(d)
print("Control was taken")
elif event[0] == 0:
d[fd].syn()
else:
d[fd].write(*event)
if not got_control:
if event[0] == 0:
d[fd][0].syn()
else:
d[fd][0].write(*event)
else:
if d[fd][1] == DeviceType.KEYBOARD:
if control_sequences.next(fd, *event):
got_control = False

View File

@ -4,13 +4,14 @@ from select import select
import json
from time import time
from ..config import DeviceInfo
from ..config import DeviceInfo, DeviceType
def send_device(s: socket, device: InputDevice):
def send_device(s: socket, device: InputDevice, device_type: DeviceType):
buf = json.dumps(device.capabilities()).encode()
s.sendall(len(buf).to_bytes(4, byteorder='big'))
s.sendall(device.fd.to_bytes(4, byteorder='big'))
s.sendall(device_type.value.to_bytes(1, byteorder='big'))
s.sendall(buf)
@ -31,57 +32,9 @@ def exit_nice(s: socket, d: dict[int: InputDevice], guest_input: bool):
exit()
def double_control(s: socket,
d: dict[int: InputDevice],
active_keys: list[int],
guest_input: bool,
ctrl2: bool,
device_fd: int,
event_value: int) -> bool:
if 14 in active_keys:
exit_nice(s, d, guest_input)
elif not ctrl2:
guest_input = not guest_input
event = ({29, 157} ^ {event_value}).pop()
send_input_event(s, device_fd, InputEvent(0, 0, 4, 4, event))
if guest_input:
send_input_event(s, device_fd, InputEvent(
0, 0, 1,
event if event == 29 else 97,
1,
))
send_input_event(s, device_fd, InputEvent(0, 0, 0, 0, 0))
print("Giving up control")
s.sendall(b'\xfe' * 20)
for fd in d:
d[fd].grab()
else:
send_input_event(s, device_fd, InputEvent(
0, 0, 1,
event if event == 29 else 97,
0,
))
send_input_event(s, device_fd, InputEvent(0, 0, 0, 0, 0))
print("Taking control")
s.sendall(b'\xfd' * 20)
for fd in d:
d[fd].ungrab()
return guest_input
def handle_client(s: socket, devices_info: list[DeviceInfo]):
ctrl2 = False
guest_input = True
d = []
device_types = {}
for device_info in devices_info:
d.append(InputDevice(device_info.path))
device_types[device_info.path] = device_info.device_type
send_device(s, d[-1])
s.sendall((0).to_bytes(4, byteorder='big'))
d = {device.fd: device for device in d}
device_types = {fd: device_types[d[fd].path] for fd in d}
def give_control(s: socket, d: dict[int: InputDevice]):
s.sendall(b'\xfe' * 20)
print("Giving up control")
prnt = time()
while True:
for fd in d:
@ -95,14 +48,52 @@ def handle_client(s: socket, devices_info: list[DeviceInfo]):
continue
for fd in d:
d[fd].grab()
def take_control(s: socket, d: dict[int: InputDevice]):
print("Taking control")
s.sendall(b'\xfd' * 20)
for fd in d:
d[fd].ungrab()
def double_control(s: socket,
d: dict[int: InputDevice],
active_keys: list[int],
guest_input: bool,
ctrl2: bool) -> bool:
if 14 in active_keys:
exit_nice(s, d, guest_input)
elif not ctrl2:
guest_input = not guest_input
if guest_input:
give_control(s, d)
else:
take_control(s, d)
return guest_input
def handle_client(s: socket, devices_info: list[DeviceInfo]):
ctrl2 = False
guest_input = True
d = []
device_types = {}
for device_info in devices_info:
device = InputDevice(device_info.path)
d.append(device)
device_types[device.fd] = device_info.device_type
send_device(s, device, device_info.device_type)
s.sendall((0).to_bytes(4, byteorder='big'))
d = {device.fd: device for device in d}
give_control(s, d)
while True:
r, w, x = select(d, [], [])
for fd in r:
events = [event for event in d[fd].read()]
if device_types[fd] == "keyboard":
if device_types[fd] == DeviceType.KEYBOARD:
active_keys = d[fd].active_keys()
if 29 in active_keys and 97 in active_keys:
guest_input = double_control(s, d, active_keys, guest_input, ctrl2, fd, events[0].value)
guest_input = double_control(s, d, active_keys, guest_input, ctrl2)
ctrl2 = True
else:
ctrl2 = False