rudis1261 / blink-server Goto Github PK

https://github.com/drpain/blink-server/blob/80ece1256cb53719f5e056771c2148eafde16415/core.py#L91-L108

I am kinda uneased about this piece of code. What's there to keep a malicious actor from sending an x-coordinate of ; rm /very/important/file ? Especially since the server is running as superuser, that is a risk to be careful of.

I would suggest using str(float(JSON['x'])) to make sure only numeric input can be entered.

• Python 2 is only supported for 3 more days
• PyBluez supports Python 3 since 2014

Running code as root is a redonculous security risk, and for me, a bluetooth server it's a little hard to justify.
What are the current causes for needing root rights, and could you remove the necessity for root?

Hi, I'm getting the same error as described for fedora. I'm running ubuntu 16.04.
when I try to start the server I get:

Traceback (most recent call last): File "/home/artis/.blink/bluetooth_server.py", line 25, in <module> profiles = [ SERIAL_PORT_PROFILE ] File "/usr/lib/python2.7/dist-packages/bluetooth/bluez.py", line 176, in advertise_service raise BluetoothError (str (e)) bluetooth.btcommon.BluetoothError: (2, 'No such file or directory')

This happens when I run sudo ~/.blink/bluetooth_server.py and also when I run sudo /usr/bin/python2.7 ~/.blink/bluetooth_server.py any idea?

Hi, about the issue described in README, this helped me on Ubuntu 15.10

https://code.google.com/p/pybluez/issues/detail?id=62

I try to change slides, but commands are duplicate as follows:

COMMAND RECEIVED [left]
['xdotool', 'key', 'Left']
['xdotool', 'key', 'Left']
COMMAND RECEIVED [right]
['xdotool', 'key', 'Right']
['xdotool', 'key', 'Right']

Bascially, I open the server, pair it up with the app via RFCOMM channel 1. Pairs up, works great. However, after closing the app via either suspending (ctrl+z) or quitting (ctrl+), the next time it opens it wants to use RFCOMM channel +1; so the second time I opened it wanted 2; then 3; then 4. When I opened the app on the phone it still acted as though it was connected, letting me bypass the connection screen (in fact I can't reconnect?) but not functioning correctly. It seems like the server needs to always open to use the same RFCOMM channel, or the app needs to recheck and sync with the server every time it is opened.

Also, simply killing the app via ctrl+c doesn't work, not sure why or if that is relevant.

system info:

System:
Kernel: 4.15.0-45-generic x86_64 bits: 64 compiler: gcc
v: 7.3.0 Desktop: Cinnamon 4.0.9 Distro: Linux Mint 19.1 Tessa
base: Ubuntu 18.04 bionic

For example, tapping twice quickly after another gives clickclick command not found, Eish. I think it's because the client_sock.recv(1024) receives too much at once.

Another case would be {"action":"mouse-move","x":1.811187744140625,"y":1.63995361328125}{"action":"mouse-move","x":2.9740753173828125,"y":0.71514892578125} command not found, Eish

Other than that, this works great! Thank you for making an open-source "It just works" equivalent. Other apps either didn't work, required WiFi, or were paid, so I appreciate this project 😄

When I enable Mouse Area and I tried move the mouse, the app crashed.
I got this message:

`COMMAND RECEIVED [{"action":"mouse-move","x":null,"y":null}{"action":"mouse-move","x":-25.349761962890625,"y":-32.430633544921875}]
[MULTIPLE COMMANDS] This may work, this may not work

Traceback (most recent call last):
File "bluetooth_server.py", line 42, in
commandKeys(data)
File "blink-server/core.py", line 58, in commandKeys
commandKeys(command)
File "blink-server/core.py", line 96, in commandKeys
str(float(JSON['x'])),
TypeError: float() argument must be a string or a number`

I'm using Ubuntu 18.10

No mouse cursor appears after connecting the app to the server.

I can see that the server is getting input (it's logging), and the desktop is getting mouse events - hover events in the browser is working, and I was able to click things.

I did not previously have a mouse connected to computer, so I did not have a mouse cursor before starting the server and connecting the app.

Using Ubuntu 14.04.4, Android 5.0, latest server code and app as of today.

On Ubuntu 16.04 I modified /lib/systemd/system/bluetooth.service to show ExecStart=/usr/lib/bluetooth/bluetoothd --compat and then restarted bluetooth but still same error

Traceback (most recent call last):
  File "bluetooth_server.py", line 25, in <module>
    profiles         = [ SERIAL_PORT_PROFILE ]
  File "/usr/lib/python2.7/dist-packages/bluetooth/bluez.py", line 176, in advertise_service
    raise BluetoothError (str (e))

and service bluetooth status shows:

 bluetoothd[27411]: Not enough free handles to register service
 bluetoothd[27411]: Not enough free handles to register service
 bluetoothd[27411]: Current Time Service could not be registered
bluetoothd[27411]: gatt-time-server: Input/output error (5)
 bluetoothd[27411]: Not enough free handles to register service
 bluetoothd[27411]: Not enough free handles to register service
 bluetoothd[27411]: Sap driver initialization failed.
 bluetoothd[27411]: sap-server: Operation not permitted (1)
 bluetoothd[27411]: Endpoint registered: sender=:1.51 path=/MediaEndpoint/A2DPSour
 bluetoothd[27411]: Endpoint registered: sender=:1.51 path=/MediaEndpoint/A2DPSink

My other bluetooth devices are working.

Hello, when I run the first time sudo blink-server I got this errors in the server after using swipe area:

No protocol specified
Error: Can't open display: (null)
Failed creating new xdo instance

I found a solution that worked for me:

1. Add these instructions to ~/.bashrc file:

export DISPLAY=:0 
export XAUTHORITY=~/.Xauthority

2. Apply changes:

source ~/.bashrc

3. Remove old .Xauthority file

cd ~
rm .Xauthority

4. Create a blank .Xauthority file

touch .Xauthority

5. Generate a new .Xauthority file:

xauth generate :0 . trusted

6. Create a new magic-cookie key

randomkey=`/usr/bin/ksh -c 'echo $(( $RANDOM * $RANDOM * 2 ))'` 

7. Add a new entry for another server

xauth add ${HOST}:0 . $randomkey

8. Run the server

xhost +local:
sudo blink-server

If someone has a better solution please let me know, I'm just a beginner in Linux environment.