rc.d: add a service jails config to all base system services

This gives more permissions to services (e.g. network access to
services which require this) when they are started as an automatic
servic

rc.d: add a service jails config to all base system services

This gives more permissions to services (e.g. network access to
services which require this) when they are started as an automatic
service jail.

The sshd patch is important for the sshd-related functionality as
described in the man-page in the service jails part.

The location of the added env vars is supposed to allow overriding them
in rc.conf, and to hard-disable the use of svcj for some parts where it
doesn't make sense or will not work.

Only a subset of all of the services are fully tested (I'm running this
since more than a year with various services started as service jails).
The untested parts should be most of the time ok, in some edge-cases
more permissions are needed inside the service jail.
Differential Revision: https://reviews.freebsd.org/D40371

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Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

etc/rc.d/routing: use find_system_scripts

In 3693d9140e05aba9942232df13468f51a6cde136 /etc/rc switched to using
find_system_scripts rather than directly including /etc/rc.d/* in the
list of scripts

etc/rc.d/routing: use find_system_scripts

In 3693d9140e05aba9942232df13468f51a6cde136 /etc/rc switched to using
find_system_scripts rather than directly including /etc/rc.d/* in the
list of scripts to run in order to skip .pkgsave files. Follow suit
in etc/rc.d/routing.

Sponsored by: DARPA

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rc.d/routing: Correct setting default gateway for each FIB

There was a mistake in the previous commit, it used the incorrect
spelling of the FIB variable name and was not functional

Also corrects a

rc.d/routing: Correct setting default gateway for each FIB

There was a mistake in the previous commit, it used the incorrect
spelling of the FIB variable name and was not functional

Also corrects an issue with the IPv6 default route variable name.

Fixes: 30659d1dcbcc ("Add support for adding default routes for other FIBs")
Sponsored-by: ScaleEngine Inc.
Differential Revision: https://reviews.freebsd.org/D37685

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Add support for adding default routes for other FIBs

Make rc.d/routing read defaultrouter_fibN and ipv6_defaultrouter_fibN, and
set it as the default gateway for FIB N, where N is from 1 to (net.fib

Add support for adding default routes for other FIBs

Make rc.d/routing read defaultrouter_fibN and ipv6_defaultrouter_fibN, and
set it as the default gateway for FIB N, where N is from 1 to (net.fibs - 1)
This allows adding gateways for multiple FIBs in the same format as the main
gateway. (FIB 0)

Reviewed by: olivier, rgrimes, bcr (man page)
Sponsored by: ScaleEngine Inc.
Differential Revision: https://reviews.freebsd.org/D22706

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Make ICMP redirect processing depend on routing daemon.

Submitted by: lutz at donnerhacke.de
Reviewed by: melifaro,rgrimes
Differential Revision: https://reviews.freebsd.org/D23329

Merge ^/head r339015 through r339669.

Move the rc framework out of sbin/init into libexec/rc.

The reasons for this are forward looking to pkgbase:
* /sbin/init is a special binary; try not to replace it with
every package update bec

Move the rc framework out of sbin/init into libexec/rc.

The reasons for this are forward looking to pkgbase:
* /sbin/init is a special binary; try not to replace it with
every package update because an rc script was touched.
(a follow-up commit will make init its own package)
* having rc in its own place will allow more easy replacement
of the rc framework with alternatives, such as openrc.

Discussed with: brd (during BSDCam), kmoore
Requested by: cem, bz
PR: 231522
Approved by: re (gjb)

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