pfSense

miniupnpd: Generate miniupnpd config using more explicit bools

The miniupnp config section has boolean flags that are either true with the value
'on', and are inferred to be false by omission or an empty value. To be more
explicit when generating the miniupnpd config, compare these values to 'on'...

Generate the UUID using the external interface MAC

Use the configured external interface to generate the UUID and serial for
miniupnpd.conf. Additionally, resort to using a random MAC on failure.

UPnP IGD & PCP: No need to enter STUN port and update example servers

(#4717)

UPnP IGD & PCP: Improve descriptions

UPnP IGD & PCP: Simplify service wording

and change menu/title to `UPnP IGD & PCP` as newer PCP is supported

Revert "Update text references to UPnP protocols"

This reverts commit 429312ff683b5762d0cb6eca69c474121a9dfca1.

Update text references to UPnP protocols

Update all direct config access with accessor functions

UPnP rule/service cleanup. Fixes #13755

• Fix several incorrect config paths/tests
• Fix UPnP local interface automatic rule to pass traffic into UPnP
  itself.
• Wrap all rules/anchors in UPnP enabled test, no reason for them to be
  in the ruleset if UPnP is off....

Rector direct global g accesses

Rector some direct config gets with pure scalar paths.

UPnP STUN configuration. Feature #10587

Fix PHP7 error in miniupnpd.inc

Whitespace cleanup

Make model_number customizable

Make presentation_url customizable

Set secure_mode=yes in miniupnpd config. Ticket #5627

Wrap UPnP permissions processing in is_array(), the var may not exist especially on upgrade.

Move main pfSense content to src/