[PATCH] Add dynamic reload of RxKH definitions from file

[Jouni Malinen]

On Mon, Jan 15, 2024 at 05:08:40PM +0100, Dariusz Kopka wrote:
> Hostapd reads the list of Rx Key Holders from hostapd.conf file.
> However, for systems where topology changes dynamically, the update
> of RxKHs list is required without reloading the whole configuration.
> 
> Here we introduce a new source of RxKH definition with original syntax:
>         - rxkh_file - path to a file containing a list of RxKHs.
> In addition two cli commands are added:
>         - get_rxkhs - returns the list of currently configured RxKHs
>         - reload_rxkhs - reloads RxKHs definition from a  file
>                          specified in `rxkh_file`
> 
> This allows hostapd to properly distribute Rx keys even after topology
> change (assuming rxkh_file is updated and reload_rxkhs command issued).
> 
> Syntax of rxkh_file is the same as extraction of r0kh and r1kh options
> from original hostapd.conf file.
> 
> ```
> r0kh=ff:ff:ff:ff:ff:ff * 00112233445566778899aabbccddeeff
> r0kh=ff:ff:ff:ff:ff:ff * 00112233445566778899aabbccddeeff
> r1kh=00:00:00:00:00:00 00:00:00:00:00:00 00112233445566778899aabbccddeef
> r1kh=00:00:00:00:00:00 00:00:00:00:00:00 00112233445566778899aabbccddeef
> r1kh=00:00:00:00:00:00 00:00:00:00:00:00 00112233445566778899aabbccddeef
> ```

Thanks, applied.
 
-- 
Jouni Malinen                                            PGP id EFC895FA