Cannot save to Systemd

[richieri]

Hello!

I'm getting the following error from cameractrls.cameractrlsgtk when trying to click on Save (save settings to systemd):

Traceback (most recent call last):
  File "/snap/cameractrls/31/usr/bin/cameractrlsgtk.py", line 340, in <lambda>
    b.connect('clicked', lambda e, c=c, m=m: self.update_ctrl(c, m.text_id))
  File "/snap/cameractrls/31/usr/bin/cameractrlsgtk.py", line 429, in update_ctrl
    self.camera.setup_ctrls({ctrl.text_id: value}, errs)
  File "/snap/cameractrls/31/usr/bin/cameractrls.py", line 2244, in setup_ctrls
    c.setup_ctrls(params, errs)
  File "/snap/cameractrls/31/usr/bin/cameractrls.py", line 2131, in setup_ctrls
    self.create_systemd_service_and_path()
  File "/snap/cameractrls/31/usr/bin/cameractrls.py", line 2155, in create_systemd_service_and_path
    subprocess.run(["systemctl", "--user", "enable", "--now", service_file])
  File "/usr/lib/python3.10/subprocess.py", line 503, in run
    with Popen(*popenargs, **kwargs) as process:
  File "/usr/lib/python3.10/subprocess.py", line 971, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "/usr/lib/python3.10/subprocess.py", line 1863, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)
PermissionError: [Errno 13] Permission denied: 'systemctl'

Ubuntu 22.04
Version: 0.5.11-0
Installed from Ubuntu Software with snap

[nestpana]

same

[mikegleasonjr]

Same, some more logs regarding apparmor:

Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]: Traceback (most recent call last):
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:   File "/snap/cameractrls/31/usr/bin/cameractrlsgtk.py", line 340, in <lambda>
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:     b.connect('clicked', lambda e, c=c, m=m: self.update_ctrl(c, m.text_id))
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:   File "/snap/cameractrls/31/usr/bin/cameractrlsgtk.py", line 429, in update_ctrl
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:     self.camera.setup_ctrls({ctrl.text_id: value}, errs)
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:   File "/snap/cameractrls/31/usr/bin/cameractrls.py", line 2244, in setup_ctrls
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:     c.setup_ctrls(params, errs)
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:   File "/snap/cameractrls/31/usr/bin/cameractrls.py", line 2131, in setup_ctrls
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:     self.create_systemd_service_and_path()
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:   File "/snap/cameractrls/31/usr/bin/cameractrls.py", line 2155, in create_systemd_service_and_path
Feb 20 10:27:52 computer kernel: [  851.676752] audit: type=1400 audit(1708421272.881:119): apparmor="DENIED" operation="exec" class="file" profile="snap.cameractrls.cameractrlsgtk" name="/usr/bin/systemctl" pid=17448 comm="python3" requested_mask="x" denied_mask="x" fsuid=1000 ouid=0
Feb 20 10:27:52 computer kernel: [  851.676911] audit: type=1400 audit(1708421272.881:120): apparmor="DENIED" operation="exec" class="file" profile="snap.cameractrls.cameractrlsgtk" name="/usr/bin/systemctl" pid=17448 comm="python3" requested_mask="x" denied_mask="x" fsuid=1000 ouid=0
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:     subprocess.run(["systemctl", "--user", "enable", "--now", service_file])
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:   File "/usr/lib/python3.10/subprocess.py", line 503, in run
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:     with Popen(*popenargs, **kwargs) as process:
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:   File "/usr/lib/python3.10/subprocess.py", line 971, in __init__
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:     self._execute_child(args, executable, preexec_fn, close_fds,
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:   File "/usr/lib/python3.10/subprocess.py", line 1863, in _execute_child
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]:     raise child_exception_type(errno_num, err_msg, err_filename)
Feb 20 10:27:52 computer cameractrls_cameractrlsgtk.desktop[17294]: PermissionError: [Errno 13] Permission denied: 'systemctl'