Remove copyright strings ifdef'd out

We've ifdef'd out the copyright strings for some time now. Go ahead and
remove the ifdefs. Plus whatever other detritis was left over from other
recent removals.

Remove copyright strings ifdef'd out

We've ifdef'd out the copyright strings for some time now. Go ahead and
remove the ifdefs. Plus whatever other detritis was left over from other
recent removals. These copyright strings are present in the comments and
are largely from CSRG's attempt at adding their copyright to every
binary file (which modern interpretations of the license doesn't
require).

Sponsored by: Netflix

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usr.bin: 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 pe

usr.bin: 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

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Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

Mark usage function as __dead2 in programs where it does not return

In most cases, usage does not return, so mark them as __dead2. For the
cases where they do return, they have not been marked __dea

Mark usage function as __dead2 in programs where it does not return

In most cases, usage does not return, so mark them as __dead2. For the
cases where they do return, they have not been marked __dead2.

Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/735

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Make lock(1) use PAM. This makes the -p option work again. (Well, kind of,
because the whole idea of this utility is rather broken.)

This originally come from NetBSD, and was later reworked a bit.

Make lock(1) use PAM. This makes the -p option work again. (Well, kind of,
because the whole idea of this utility is rather broken.)

This originally come from NetBSD, and was later reworked a bit.

Reviewed by: des@ (earlier version)
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D4981

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Merge ^/head r325999 through r326131.

General further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier f

General further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.

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Merge ^/head r323559 through r325504.

MFhead@r324482

Correct sense of crypt(3) NULL checks in init(8) and lock(1)

In r231994, an attempt was made to fix crypt(3) failure returns (NULL).
However, instead of treating crypt(3) failure as authentication f

Correct sense of crypt(3) NULL checks in init(8) and lock(1)

In r231994, an attempt was made to fix crypt(3) failure returns (NULL).
However, instead of treating crypt(3) failure as authentication failure,
some of the changes treated crypt(3) failure as authentication success.
This is wrong.

r324225 fixed this for ppp, which also inspired this review. The other
changes in the 231994 revision were audited for correctness and look ok.

Reviewed by: jhb
Security: yes
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D12571

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Merge ^/head r314420 through r314481.

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by: Jan Schaumann <jschauma@stevens.edu>
Pull Request: https://github.com/freebsd/freebsd/pull/96

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Merge from head@274682

IFC @r271694

Sync to HEAD@r270409.

Remove LOG_ODELAY because it does nothing.

Reviewed by: jilles
CR: https://reviews.freebsd.org/D611

Rollback r266496.
Different meaning of flags for lock(1) and vidcontrol(1) confuse me.

Pointy hat to: ray
Sponsored by: The FreeBSD Foundation

Sync lock(1) on VT_LOCKSWITCH usage with syscons(4), vt(4) and vidcontrol(1).

Sponsored by: The FreeBSD Foundation

Merge fresh head.

MFC

MFC @ r241285

IFC @ r242684

Sync from head

Check the return error of set[e][ug]id. While this can never fail in the
current version of FreeBSD, this isn't guarenteed by the API.
Custom security modules, or future implementations of the setuid

Check the return error of set[e][ug]id. While this can never fail in the
current version of FreeBSD, this isn't guarenteed by the API.
Custom security modules, or future implementations of the setuid and
setgid may fail.

Submitted by: Erik Cederstrand
Approved by: cperciva
MFC after: 3 days

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Merge head r233826 through r240095.