Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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libexec: adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone -

libexec: adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

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.

No functional change intended.

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IFC @230489 (pending review).

IFC to head to catch up the bhyve branch

Approved by: grehan@

In libexec/pppoed/pppoed.c, use the correct printf length modifier for a
size_t.

MFC after: 1 week

Significantly reduce the memory leak as noted in BUGS section for
setenv(3) by tracking the size of the memory allocated instead of using
strlen() on the current value.

Convert all calls to POSIX fr

Significantly reduce the memory leak as noted in BUGS section for
setenv(3) by tracking the size of the memory allocated instead of using
strlen() on the current value.

Convert all calls to POSIX from historic BSD API:
- unsetenv returns an int.
- putenv takes a char * instead of const char *.
- putenv no longer makes a copy of the input string.
- errno is set appropriately for POSIX. Exceptions involve bad environ
variable and internal initialization code. These both set errno to
EFAULT.

Several patches to base utilities to handle the POSIX changes from
Andrey Chernov's previous commit. A few I re-wrote to use setenv()
instead of putenv().

New regression module for tools/regression/environ to test these
functions. It also can be used to test the performance.

Bump __FreeBSD_version to 700050 due to API change.

PR: kern/99826
Approved by: wes
Approved by: re (kensmith)

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Back out all POSIXified *env() changes.

Not because I admit they are technically wrong and not because of bug
reports (I receive nothing). But because I surprisingly meets so
strong opposition and r

Back out all POSIXified *env() changes.

Not because I admit they are technically wrong and not because of bug
reports (I receive nothing). But because I surprisingly meets so
strong opposition and resistance so lost any desire to continue that.

Anyone who interested in POSIX can dig out what changes and how
through cvs diffs.

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Prepare for upcoming POSIXed putenv() rewrite:
don't allow putenv() arg be on the stack, replace putenv() with setenv()

Sync program's usage() with manpage's SYNOPSIS.

Replace all uses of the old netgraph constants NG_*LEN by the new
constants NG_*SIZ that include the trailing NUL byte. This change
is mostly mechanical except for the replacement of a couple of snpr

Replace all uses of the old netgraph constants NG_*LEN by the new
constants NG_*SIZ that include the trailing NUL byte. This change
is mostly mechanical except for the replacement of a couple of snprintf()
and sprintf() calls with strlcpy.

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Understand the new NGM_PPPOE_SESSIONID message and set SESSIONID
in the environment to it's value.

Approved by: archie (after a very cursory glance)

Usage style sweep: spell "usage" with a small 'u'.
Also change one case of blatant __progname abuse (several more remain)
This commit does not touch anything in src/{contrib,crypto,gnu}/.

Handle NGM_PPPOE_ACNAME messages.

Submitted by: Andre Albsmeier <andre@albsmeier.net>
Approved by: julian

o __P removal
o use Ansi-style function definitions

Prototype a function as __printflike() to avoid a FORMAT_AUDIT warning.

MFC after: 1 week

Don't leave dodgy looking spaces in HISMACADDR

Set HISMACADDR in the environment before envoking ppp.

MFC after: 1 week

Put a parenthesis in the right place (DUH!).
This fixes the apparent immediate client timeout problem.

Understand that a return value of 0 from NgRecvMsg() means that the
socket was closed.

This prevents erroneous ``Unexpected netgraph version'' from turning
up in the log.

Don't use SA_RESETHAND here. We gain nothing.

Suggested by: bde

Add a -l flag used to specify a label when no -p flag is given.
Start new sentences on new lines in pppoed.8.

MFC after: 1 week

Use sigaction() without SA_RESTART rather than signal() so that we
don't block in NgRecvData() after receiving a signal.

MFC after: 1 week

Remove an extraneous space

Fix the type of the NULL arg to execl()

Idea from: Theo de Raadt <deraadt@openbsd.org>