Example before: {"errorMessage":"Undefined offset: 0 [8]"}
Example after: {"errorMessage":"Error at \/usr\/local\/etc\/inc\/util.inc:952 - Undefined offset: 0 (errno=8)"}

if the tty is closed while the script is running,
it would previously go in an infinite loop trying
to read from and write to the now-defunct tty.

PR: https://github.com/opnsense/core/issues/1240

(cherry picked from commit a11850cc)
(cherry picked from commit 8986792d)

o Don't look for templates in manufacturer directory
o Allow to use "/" component separator, it's safe
o Hook up the "template list" command

(cherry picked from commit a4b9c029)
(cherry picked from commit 477fba11)

(cherry picked from commit a89858db)

PR: https://github.com/opnsense/core/issues/1077
(cherry picked from commit 2c2192d7)

(cherry picked from commit 661445dd)
(cherry picked from commit 84d6d43b)

(cherry picked from commit d01b7296)

(cherry picked from commit 765b22f1)
(cherry picked from commit df2fbeb2)

We fall back to the local authentication if not found.

PR: https://github.com/opnsense/plugins/issues/43
(cherry picked from commit 35122576)

Not sure if this works, but it looks better than before.

(cherry picked from commit f7ffa6e4)

* system_console_configure() is really system_login_configure()+
* make a template for sudoers config setting
* move auth template generation to single spot

(cherry picked from commit 2d450939)
(cherry picked from commit 24368104)

PR: https://github.com/opnsense/core/issues/1200

(cherry picked from commit a801eb11)

(model, fieldtypes) add update only text field type, closes https://github.com/opnsense/core/issues/1045

(cherry picked from commit c6fdfee8)

(cherry picked from commit 04a1d6c4)
(cherry picked from commit 9385d1fb)

(cherry picked from commit b406098d)

Since plugins are now tied to the heartbeat of the system itself,
it makes sense to split out hardcoded base functionality into
their pluggable counterparts.  Start with the candidates that
already have a plugin file.

(cherry picked from commit 6d2c81d7)
(cherry picked from commit 02956706)
(cherry picked from commit dc3b4419)
(cherry picked from commit 5e127d5e)

(cherry picked from commit 53f44c89)

(cherry picked from commit 8185e200)
(cherry picked from commit 6aac623b)

We have manifests for packages, no need to duplicate info
about sub-packages that aren't really packages.

Approved by: @adschellevis

(cherry picked from commit e713d12a)

(cherry picked from commit 7094a5cd)

(cherry picked from commit b60391da)
(cherry picked from commit 9b0ed8f8)
(cherry picked from commit 289c349b)
(cherry picked from commit c378d413)
(cherry picked from commit 6aaba834)
(cherry picked from commit 22928ac8)
(cherry picked from commit 15214186)
(cherry picked from commit 57fb95f8)
(cherry picked from commit c5ab052b)
(cherry picked from commit f39ce32b)
(cherry picked from commit 143a9b34)
(cherry picked from commit 029393ad)

(cherry picked from commit fe81d2e8)
(cherry picked from commit 58ca0284)

(cherry picked from commit 5ac1ab3f)

(cherry picked from commit d82608e1)
(cherry picked from commit 6f2bd698)
(cherry picked from commit c34ac4df)
(cherry picked from commit 1af75a82)

(cherry picked from commit 2155d52f)

(cherry picked from commit 38fc7d4d)

(cherry picked from commit 5a6f5b64)
(cherry picked from commit 8b6108a8)
(cherry picked from commit 8f00c9c7)

(cherry picked from commit bbab5ea3)