sbin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

Remove $FreeBSD$: one-line sh pattern

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

etc/ttys: merge ttys file down to single file

The tty lists were already pretty similar and there hadn't been any real
need for them to remain distinct for some time. As such, merge to a
single file.

The RISC-V console is preserved. For systems where it doesn't exist, its
presence in /etc/ttys is harmless. The uncommented version of the
ttyv8/XDM line from ttys.amd64 was the one chosen.

Reviewed by: imp
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D30256

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)

Move etc/ttys to sbin/init/.

And simplify this a little by flattening the directory structure.

Approved by: re (gjb), will (mentor)
Differential Revision: https://reviews.freebsd.org/D16955

Switch these to CONFS as well so they work with etcupdate/mergemaster.

Approved by: will (mentor)

Move rc startup scripts from etc/ to sbin/init/

This keeps most startup scripts as CONFS per discussion on src-committers from
back during BSDCan.

Approved by: will (mentor)
Differential Revision: https://reviews.freebsd.org/D16466

sbin: normalize paths using SRCTOP-relative paths or :H when possible

This simplifies make logic/output

MFC after: 1 month
Sponsored by: Dell EMC Isilon

Explicitly add more files to the 'runtime' package.

Sponsored by: The FreeBSD Foundation

Userspace part of reroot support. This makes it possible to change
the root filesystem without full reboot, using "reboot -r". This can
be used to to eg. boot from a temporary md_image preloaded by loader(8),
setup an iSCSI session, and continue booting from rootfs mounted over
iSCSI.

Reviewed by: kib@, bapt@
MFC after: 1 month
Relnotes: yes
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D3693

Convert sbin/ to LIBADD
Reduce overlinking

A new jail(8) with a configuration file, to replace the work currently done
by /etc/rc.d/jail.

Create the altix project branch. The altix project will add support
for the SGI Altix 350 to FreeBSD/ia64. The hardware used for porting
is a two-module system, consisting of a base compute module and a
CPU expansion module. SGI's NUMAFlex architecture can be an excellent
platform to test CPU affinity and NUMA-aware features in FreeBSD.

Migrate init(8) towards utmpx.

According to a comment, we cannot safely remove utmpx entries here
anymore. This is because the libc routines may block on file locking. In
an ideal world login(1) should just remove the entries, which is why I'm
disabling this code for now. If it turns out we get lots of stale
entries here, we should figure out a way to deal with that.

Let init(8) and reboot(8) use utmpx to log wtmp entries.

logwtmp() gets called with the raw strings that are written to disk. For
regular user entries, this isn't too bad, but when booting/shutting
down, the contents get rather cryptic.

Just call the standardized pututxline().

Switch the default WARNS level for sbin/ to 6.

Submitted by: Ulrich Spörlein

- Import the HEAD csup code which is the basis for the cvsmode work.

I understood the MLINK part incorrectly, it should be the other way around
also remove the init mlink to securelevel.

Discussed with and sharing pointyhat with: brueffer

use standard mode instead of 500 for /sbin/init.

As discussed on -current, there is no sensitive info in /sbin/init
to prevent reading it from non-privileged users, nor any reason to
remove the 'x' bit as the first thing the program does is check the
uid and exit if it is not run by root.

Instead (and this is why i make the change), mode 500 prevents
operation when exporting the partition without -maproot=0 to diskless
clients.

All previuos releases are affected by the same problem, so a merge
to RELENG_6 at least would be appropriate (after proper re@ approval
of course).

Make WARNS=6 happy with our init(8):
- Use more ``const''s where suitable.
- Define strk() as a static function in global scope.
This avoids the "nested extern declaration" warnings.
- Use static initialization of strings, rather than
referring string constants through char *.
- Bump WARNS from 0 to 6.

NOSHARED -> NO_SHARED

Introduce the PRECIOUSPROG knob in bsd.prog.mk, similar
to PRECIOUSLIB from bsd.lib.mk. The side effect of this
is making installing the world under jail(8) possible by
using another knob, NOFSCHG.

Reviewed by: oliver

style.Makefile(5):
Use WARNS?= instead of WARNS=.

Make init statically linked by default. It's not worth the pain of having
a dynamically linked init as recently seen by ia64 woes.

Approved by: re (jhb)

Default to WARNS=2.
Binary builds that cannot handle this must explicitly set WARNS=0.

Reviewed by: mike

Use new backup feature of install(1).

- Backout botched attempt to introduce MANSECT feature.
- MAN[1-9] -> MAN.

Set the default manual section for sbin/ to 8.

Further tidy up the sbin/init and release builds.

This is not necessarily the correct fix, but at least sbin/init compiles
in a sterile environment like "make release"

Add MLINK init.8 --> securelevel.8

Requested by: Brett Glass <brett@lariat.org>
PR: 13792
Submitted by: nik

Change DISTRIBUTION to match new world order.

$Id$ -> $FreeBSD$

Backup existing init(8) as /sbin/init.bak.

PR: 12976
Submitted by: Peter Jeremy <peter.jeremy@alcatel.com.au>

Turn System V command line syntax ``on'' by default.

Requested by: peter
Reviewed by: des, billf

Bring in System V run-level patches (turned off by default).
While I'm here, fix some typos in the manpage.

Requested by: des

Removed definition of _NEW_VFSCONF. The new vfsconf interface is now
the default.

".if exists(${CURDIR}/../../secure)" rather than testing relative to the
object directory.

Add -D_NEW_VFSCONF to eliminate compilation warning

Revert $FreeBSD$ to $Id$

Part two of a "fix-and-move". There were some macros declared in ../sbin's
Makefile that were a) broken and b) bogusly placed. This brings the
repeared macros in.

Pointed-out-by: BDE

Impose login_cap resource limits on processes started by init.
/etc/rc started with "daemon" settings.
"window=" started with "default" settings
gettys started with "default" settings.
This should open the way to junk kernel options MAX_{OPEN,CHILD}
and the corresponding sysctl vars.

Make the long-awaited change from $Id$ to $FreeBSD$

This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.

Fixed DPADD.

Better method of choosing libdescrypt/libscrypt.

The DES-based init(8) belongs to the "des" distribution.

Fix $Id$.

Make this make work the same way as passwd and xntpd. Here it will allow
secure/sbin/init to be cleaned out, and sbin/Makefile to be tidied up.

`init' needs crypt() for insecure consoles.

Convert to our man installation style. Also fixed long-standing bug
in `fastboot'/`fasthalt' in which the interpreter would hang around
after `reboot' or `halt' is run, causing an irritating ``Killed'' message.

BSD 4.4 Lite sbin Sources

Note: XNSrouted and routed NOT imported here, they shall be imported with
usr.sbin.