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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2017 Rick Macklem
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <err.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <nfs/nfssvc.h>
#include <fs/nfs/nfsproto.h>
#include <fs/nfs/nfskpiport.h>
#include <fs/nfs/nfs.h>
static void usage(void);
static struct option longopts[] = {
{ "force", no_argument, NULL, 'f' },
{ NULL, 0, NULL, 0 }
};
/*
* This program disables use of a DS mirror. The "dspath" command line
* argument must be an exact match for the mounted-on path of the DS.
* It should be done before any forced dismount is performed on the path
* and should work even when the mount point is hung.
*/
int
main(int argc, char *argv[])
{
struct nfsd_pnfsd_args pnfsdarg;
int ch, force;
if (geteuid() != 0)
errx(1, "Must be run as root/su");
force = 0;
while ((ch = getopt_long(argc, argv, "f", longopts, NULL)) != -1) {
switch (ch) {
case 'f':
force = 1;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc != 1)
usage();
if (force != 0)
pnfsdarg.op = PNFSDOP_FORCEDELDS;
else
pnfsdarg.op = PNFSDOP_DELDSSERVER;
pnfsdarg.dspath = *argv;
if (nfssvc(NFSSVC_PNFSDS, &pnfsdarg) < 0)
err(1, "Can't kill %s", *argv);
}
static void
usage(void)
{
fprintf(stderr, "pnfsdsfile [-f] mounted-on-DS-dir\n");
exit(1);
}
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