This function can sleep till the resource is free and can help find not well behaving code.
* Remove most of the config_lock/config_unlock logics on the whole scripts/pages it is an abuse of this.
If any sybsytem wants to lock can do so with its own lock.
* Lock the config when doing a filter reload to avoid parallell recursion on this function, since it is not reentrant.
This compenstates for the removal of lock aquiring from the scripts/pages.
* config_lock/config_unlock are now compate shims that do nothing. They are preserved since packages 'abuse' them too.
to the Advanced admin access tab. The thought is that they should be next
to each other. The certificate management has also been modified to use
the centralized certificate manager. I took the liberty of removing the
default certificate/key definitions from the web server configuration
function as it is now trivial to create these locally.
The global SSH authorized keys have also been removed. Any existing key
data will be migrated to the admin account. I also added some new checks
to ensure the sshd process is only restarted when its configuration has
actually changed.
Fold the sysctl tunables page into a tab under the advanced options page.
This reduces the top level menu options by one. There should be no
functional changes.
