Purge more stray embedded $FreeBSD$ strings

These do not use __FBSDID but instead use bare char arrays.

Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D41957

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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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rpc.umntall: Use valid prototype for function declaration with no arguments.

Reviewed by: emaste
Differential Revision: https://reviews.freebsd.org/D39728

various: general 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

various: general 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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Merge from head

- MFC

Don't use sys/nfs/rpcv2.h - it is part of the old kernel RPC implementation
and will be removed.

Use clnt_create_timed() instead of clnt_create(). The former has an
additional argument that allows us to specify a timeout, like we do for
the subsequent clnt_call() calls.

Submitted by: Jeremie L

Use clnt_create_timed() instead of clnt_create(). The former has an
additional argument that allows us to specify a timeout, like we do for
the subsequent clnt_call() calls.

Submitted by: Jeremie Le Hen <jeremie@le-hen.org>
MFC after: 3 weeks

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Deal with xdrproc_t casts. Make these compile cleanly with WARNS=2
(but I haven't turned it on)

Back out the casts that rid us of warnings, but paper over the broken
by design xdr routines. And I'm not going to bite off fixing xdr.

Fix warnings:
o Add break; to default: label
o Cast args to clnt_call to be xdrproc_t type.

Don't ignore SIGINT and SIGQUIT. The comment said "Ignore SIGINT
and SIGQUIT during shutdown", but rpc.umntall is also run at boot
time, so ignoring these signals is a really bad idea: it makes it
im

Don't ignore SIGINT and SIGQUIT. The comment said "Ignore SIGINT
and SIGQUIT during shutdown", but rpc.umntall is also run at boot
time, so ignoring these signals is a really bad idea: it makes it
impossible to ^C the process as it waits for a server response. I
can't see any reason to block these signals during shutdown either.

MFC after: 3 days

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Fix a few bugs, some of which I introduced in recent commits:
- clean_mtab():
Actually use the strdup'd version of the host that we go to the
trouble of creating.
- do_umntall/do_umount:

Fix a few bugs, some of which I introduced in recent commits:
- clean_mtab():
Actually use the strdup'd version of the host that we go to the
trouble of creating.
- do_umntall/do_umount:
Don't return success if clnt_create() fails.
Don't access a client pointer after it has been destroyed.
Remember to destroy the authentication information we created.

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Fix some bugs and general brain damage in mounttab:
- Declare mtabhead as an extern in mounttab.h and define it only in
mounttab.c.
- Remove shared global `verbose' and instead pass it as a paramet

Fix some bugs and general brain damage in mounttab:
- Declare mtabhead as an extern in mounttab.h and define it only in
mounttab.c.
- Remove shared global `verbose' and instead pass it as a parameter.
- Remove the `mtabp' argument to read_mtab(). It served no purpose
whatsoever, although read_mtab() did use it as a temporary local
variable.
- Don't check for impossible conditions when parsing mounttab, and
do detect zero-length fields.
- Correctly test for strtoul() failures - just testing ERANGE is wrong.
- Include a field name in syslog errors, and avoid passing NULL to
a syslog %s field.
- Don't test if arrays are NULL.
- If there are duplicates when writing out mounttab, keep the last
entry instead of the first, as it will have a later timestamp.
- Fix a few formatting issues.

Update rpc.umntall and umount to match the mounttab interface changes.

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Fix a selection of bugs, and improve code layout:
- Remove unnecessary and unused local variables.
- Include useful information in error and warning messages.
- Fix the logic for expiring mounttab en

Fix a selection of bugs, and improve code layout:
- Remove unnecessary and unused local variables.
- Include useful information in error and warning messages.
- Fix the logic for expiring mounttab entries.
- Remove calls to getaddrinfo - the results were not used.
- Simplify some string handling by using snprintf.
- Fix usage.

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Fix warning (and obviously broken code)
77: warning: cast from pointer to integer of different size

Bring in a hybrid of SunSoft's transport-independent RPC (TI-RPC) and
associated changes that had to happen to make this possible as well as
bugs fixed along the way.

Bring in required TLI library

Bring in a hybrid of SunSoft's transport-independent RPC (TI-RPC) and
associated changes that had to happen to make this possible as well as
bugs fixed along the way.

Bring in required TLI library routines to support this.

Since we don't support TLI we've essentially copied what NetBSD
has done, adding a thin layer to emulate direct the TLI calls
into BSD socket calls.

This is mostly from Sun's tirpc release that was made in 1994,
however some fixes were backported from the 1999 release (supposedly
only made available after this porting effort was underway).

The submitter has agreed to continue on and bring us up to the
1999 release.

Several key features are introduced with this update:
Client calls are thread safe. (1999 code has server side thread
safe)
Updated, a more modern interface.

Many userland updates were done to bring the code up to par with
the recent RPC API.

There is an update to the pthreads library, a function
pthread_main_np() was added to emulate a function of Sun's threads
library.

While we're at it, bring in NetBSD's lockd, it's been far too
long of a wait.

New rpcbind(8) replaces portmap(8) (supporting communication over
an authenticated Unix-domain socket, and by default only allowing
set and unset requests over that channel). It's much more secure
than the old portmapper.

Umount(8), mountd(8), mount_nfs(8), nfsd(8) have also been upgraded
to support TI-RPC and to support IPV6.

Umount(8) is also fixed to unmount pathnames longer than 80 chars,
which are currently truncated by the Kernel statfs structure.

Submitted by: Martin Blapp <mb@imp.ch>
Manpage review: ru
Secure RPC implemented by: wpaul

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This is another in Martin Blapp's N-series of mount-related cleanups :)
Changes are:
- rpc.umntall is called at the right places now in /etc/rc*
- rpc.umntall timeout has been lowered from two days

This is another in Martin Blapp's N-series of mount-related cleanups :)
Changes are:
- rpc.umntall is called at the right places now in /etc/rc*
- rpc.umntall timeout has been lowered from two days (too high) to one
- verbose messages in rpc.umntall have been clarified
- kill double entries in /var/db/mounttab when rpc.umntall is invoked
- ${early_nfs_mounts} has been removed from /etc/rc
- patched mount(8) -p to print different pass/dump values for ufs filesystems.
(last patch recieved from dan <bugg@bugg.strangled.net>)

Submitted by: Martin Blapp <mbr@imp.ch>, dan <bugg@bugg.strangled.net>

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Fix errors unmounting remote systems which don't understand RPC_UMNTALL.

Submitted by: Martin Blapp <mblapp@kassiopeja.lan.attic.ch>

Add rpc.umntall utility, to be used by startup and shutdown scripts
to replace (broken) umntall signal code previously in mountd.

Submitted by: Martin Blapp <mb@imp.ch>

- MFC

Don't use sys/nfs/rpcv2.h - it is part of the old kernel RPC implementation
and will be removed.

Use clnt_create_timed() instead of clnt_create(). The former has an
additional argument that allows us to specify a timeout, like we do for
the subsequent clnt_call() calls.

Submitted by: Jeremie L

Use clnt_create_timed() instead of clnt_create(). The former has an
additional argument that allows us to specify a timeout, like we do for
the subsequent clnt_call() calls.

Submitted by: Jeremie Le Hen <jeremie@le-hen.org>
MFC after: 3 weeks

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Deal with xdrproc_t casts. Make these compile cleanly with WARNS=2
(but I haven't turned it on)

Back out the casts that rid us of warnings, but paper over the broken
by design xdr routines. And I'm not going to bite off fixing xdr.