usr.sbin: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

usr.sbin: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

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Remove $FreeBSD$: one-line .c pattern

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

nfsuserd: Improve failure message when running in a jail

If a jail is not correctly configured to run nfsd(8)
in the jail, nfsuserd(8) cannot run.
This patch improves the failure message for this ca

nfsuserd: Improve failure message when running in a jail

If a jail is not correctly configured to run nfsd(8)
in the jail, nfsuserd(8) cannot run.
This patch improves the failure message for this case.

MFC after: 2 weeks

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nfsuserd.c: Replace slave with server

MFHead @347527

Sponsored by: The FreeBSD Foundation

Fix nfsuserd so that it handles the mapped localhost address when jails
are enabled.

The nfsuserd(8) daemon does not function correctly when jails are enabled,
since localhost gets mapped to another

Fix nfsuserd so that it handles the mapped localhost address when jails
are enabled.

The nfsuserd(8) daemon does not function correctly when jails are enabled,
since localhost gets mapped to another IP address and, as such, the upcall
RPC fails.
This patch fixes the problem by doing a getsockname(2) of a socket mapped
to localhost to find out what the correct address is for the comparison
test with the upcall's from IP address.
This patch also adds INET6 support and the required #ifdef's for INET and
INET6. It now uses INET6 by default for the upcalls, if the kernel has
INET6 support and the daemon is also built with INET6 support.

Tested by: freebsd@danielengel.com (earlier version)
PR: 205193
Reviewed by: bz, rgrimes
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D19218

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Merge ^/head r338298 through r338391.

Add missing endpwent() and endgrent() calls to nfsuserd(8).

PR: 230937
Submitted by: Peter Eriksson <peter@ifm.liu.se>
Reviewed by: rmacklem
Approved by: re (gjb)
MFC after: 1 week

Merge ^/head r338026 through r338297, and resolve conflicts.

Revert r320757 since it can cause "excl->shared" panics.

PR#230752 shows a panic where an nfsd thread tries to do soconnect() on
the AF_LOCAL socket used by the nfsuserd while already holding an
exc

Revert r320757 since it can cause "excl->shared" panics.

PR#230752 shows a panic where an nfsd thread tries to do soconnect() on
the AF_LOCAL socket used by the nfsuserd while already holding an
exclusive lock on it. I am not 100% sure how this happens, but since an
AF_LOCAL socket is in the file system namespace it is conceivable that it
could lock it and then attempt an upcall to the nfsuserd.
However, reverting r320757 stops the nfsuserd from using an AF_LOCAL
socket, so it should avoid any such panic().
r320757 did fix a problem with running the nfsuserd when jails were
enabled, but that can be dealt with less elegantly by allowing the
use of an alternate address instead of 127.0.0.1.
The gssd daemon also uses an AF_LOCAL socket, but it will do upcalls
before the nfsd thread processes the RPC, so I think it should not
be suseptible to this problem.

PR: 230752

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MFhead@r320180

Merge ^/head r319973 through 321382.

Merge ^/head r320573 through r320970.

Modify the nfsuserd daemon so that it uses an AF_LOCAL socket for upcalls.

This patch modifies the nfsuserd daemon so that it uses an AF_LOCAL socket
for upcalls by default. This should fix the prob

Modify the nfsuserd daemon so that it uses an AF_LOCAL socket for upcalls.

This patch modifies the nfsuserd daemon so that it uses an AF_LOCAL socket
for upcalls by default. This should fix the problem with using a UDP
socket upcall to 127.0.0.1 when jails are used.
The AF_LOCAL socket case only supports a single server daemon, since hangs
were observed by the original problem reporter when multiple daemons
were used.
The patch adds a command line option called "-use-udpsock" which makes
the daemon revert to its prepatched behaviour.

Suggested by: dfr
PR: 205193
Relnotes: yes

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Merge ^/head r317281 through r317502.

Fix the default uid/gid values in nfsuserd.c

This patch sets the default uid/gid values for "nobody" and "nogroup"
to the values in the password and group databases. Normally nfsuserd(8)
will overri

Fix the default uid/gid values in nfsuserd.c

This patch sets the default uid/gid values for "nobody" and "nogroup"
to the values in the password and group databases. Normally nfsuserd(8)
will override these with whatever is in the password/group databases,
so these values are only used when the databases entries aren't available.
It would be nice to use the definitions in sys/conf.h, but those are
in the _KERNEL section of the file.

Reported by: tez@pkgsrc.org
Submitted by: tez@pkgsrc.org
MFC after: 2 weeks

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MFH r289384-r293170

Sponsored by: The FreeBSD Foundation

Catch up with head.

Add support for the "-manage-gids" option to the nfsuserd daemon.
When this option is set, the NFS server uses the list of groups
acquired via getgrouplist(3) for the uid instead of the list of
group

Add support for the "-manage-gids" option to the nfsuserd daemon.
When this option is set, the NFS server uses the list of groups
acquired via getgrouplist(3) for the uid instead of the list of
groups in the RPC request. This can be used to avoid the 16 gid
limit for the group list in the RPC request.

Suggested by: jpaetzel
Tested by: jpaetzel
MFC after: 2 weeks

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Integrate from Head into ZFSD feature branch as of revision r224141.

IFC @ r223696 to pick up dfr's userboot

MFC

Change the NFSv4 nfsuserd(8) daemon so that it doesn't preload the
uid<->username mapping cache with an entry when another entry
for that uid is already loaded. This fixes a case where the
mapping of

Change the NFSv4 nfsuserd(8) daemon so that it doesn't preload the
uid<->username mapping cache with an entry when another entry
for that uid is already loaded. This fixes a case where the
mapping of "toor" would replace "root" when the daemon was started,
resulting in no mapping for "root" until the cache entry for "toor"
timed out.
The algorithm is inefficient, but since it is only done once when
the daemon is started up, I don't think that's an issue.

MFC after: 2 weeks

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Merge from head

- Merge from HEAD