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97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2017 Rick Macklem
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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#include <err.h>
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <netdb.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <nfs/nfssvc.h>
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#include <fs/nfs/nfsproto.h>
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#include <fs/nfs/nfskpiport.h>
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#include <fs/nfs/nfs.h>
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static void usage(void) __dead2;
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static struct option longopts[] = {
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{ "force", no_argument, NULL, 'f' },
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{ NULL, 0, NULL, 0 }
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};
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/*
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* This program disables use of a DS mirror. The "dspath" command line
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* argument must be an exact match for the mounted-on path of the DS.
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* It should be done before any forced dismount is performed on the path
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* and should work even when the mount point is hung.
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*/
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int
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main(int argc, char *argv[])
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{
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struct nfsd_pnfsd_args pnfsdarg;
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int ch, force;
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if (geteuid() != 0)
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errx(1, "Must be run as root/su");
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force = 0;
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while ((ch = getopt_long(argc, argv, "f", longopts, NULL)) != -1) {
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switch (ch) {
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case 'f':
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force = 1;
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break;
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 1)
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usage();
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if (force != 0)
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pnfsdarg.op = PNFSDOP_FORCEDELDS;
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else
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pnfsdarg.op = PNFSDOP_DELDSSERVER;
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pnfsdarg.dspath = *argv;
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if (nfssvc(NFSSVC_PNFSDS, &pnfsdarg) < 0)
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err(1, "Can't kill %s", *argv);
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}
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static void
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usage(void)
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{
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fprintf(stderr, "pnfsdsfile [-f] mounted-on-DS-dir\n");
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exit(1);
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}
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