rlm_python works in -X, fatal signal when started using systemctl (pRet is NULL)

[Aren Sandersen]

This might be as simple as adding a parameter to your detach() function in
your Python code, or commenting it out the func_detach line entirely in
mods-enabled/python3:

See
https://github.com/FreeRADIUS/freeradius-server/commit/a6d33ebd51851a8d0c1d241fcbe32b78ffc51683

Which fixes a bug in the sample code.

Aren

Python 3.8.10
> Ubuntu 20.04.3 LTS
> FreeRADIUS 3.0.20
>
> When I go to start freeradius with systemctl I get the following:
>
> Job for freeradius.service failed because a fatal signal was delivered to
> the control process.
>
> See "systemctl status freeradius.service" and "journalctl -xe" for details.
>
> in journalctl -xe I find:
>
> Nov 13 16:28:51 radius-2.tor2 freeradius[318065]:  # Skipping contents of
> 'if' as it is always 'false' --
> /etc/freeradius/3.0/sites-enabled/inner-tunnel:3>
> Nov 13 16:28:51 radius-2.tor2 freeradius[318065]: radiusd: #### Skipping
> IP addresses and Ports ####
> Nov 13 16:28:51 radius-2.tor2 freeradius[318065]: Configuration appears to
> be OK
> Nov 13 16:28:51 radius-2.tor2 freeradius[318065]: do_python_single:568,
> detach - pRet is NULL
> Nov 13 16:28:51 radius-2.tor2 freeradius[318065]: python_error_log:200,
> Exception type: <class 'TypeError'>, Exception value: detach() takes 0
> positional >
>