7d43aa0207
build_iovec function. Tripped over by: Craig Rodrigues
136 lines
3.7 KiB
C
136 lines
3.7 KiB
C
/*
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 2002 Scott Long
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*
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* This code is derived from software contributed to Berkeley
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* by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
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* Support code is derived from software contributed to Berkeley
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* by Atsushi Murai (amurai@spec.co.jp).
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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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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* $FreeBSD$
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*/
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#include <sys/cdio.h>
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#include <sys/file.h>
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#include <sys/iconv.h>
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#include <sys/param.h>
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#include <sys/linker.h>
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#include <sys/module.h>
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#include <sys/mount.h>
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#include <sys/uio.h>
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#include <err.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include "mntopts.h"
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struct mntopt mopts[] = {
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MOPT_STDOPTS,
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MOPT_ASYNC,
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MOPT_FORCE,
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MOPT_SYNC,
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MOPT_UPDATE,
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MOPT_SNAPSHOT,
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{ NULL }
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};
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void usage(void);
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int
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main(int argc, char **argv)
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{
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struct iovec *iov;
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int iovlen;
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struct export_args export;
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int ch, i, mntflags, opts, ufs_flags;
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char *dev, *dir, mntpath[MAXPATHLEN];
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char *cs_disk, *cs_local;
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int verbose;
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i = mntflags = opts = ufs_flags = verbose = 0;
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cs_disk = cs_local = NULL;
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while ((ch = getopt(argc, argv, "o:v")) != -1)
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switch (ch) {
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case 'o':
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getmntopts(optarg, mopts, &mntflags, &opts);
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break;
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case 'v':
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verbose++;
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break;
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc != 2)
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usage();
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dev = argv[0];
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dir = argv[1];
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#define DEFAULT_ROOTUID -2
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export.ex_root = DEFAULT_ROOTUID;
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if (mntflags & MNT_RDONLY)
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export.ex_flags = MNT_EXRDONLY;
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else
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export.ex_flags = 0;
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/*
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* Resolve the mountpoint with realpath(3) and remove unnecessary
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* slashes from the devicename if there are any.
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*/
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(void)checkpath(dir, mntpath);
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(void)rmslashes(dev, dev);
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iov = NULL;
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iovlen = 0;
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build_iovec(&iov, &iovlen, "fstype", "ufs", -1);
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build_iovec(&iov, &iovlen, "fspath", mntpath, -1);
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build_iovec(&iov, &iovlen, "from", dev, -1);
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build_iovec(&iov, &iovlen, "flags", &ufs_flags, sizeof ufs_flags);
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build_iovec(&iov, &iovlen, "export", &export, sizeof export);
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if (nmount(iov, iovlen, mntflags) < 0)
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err(1, "%s", dev);
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exit(0);
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}
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void
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usage(void)
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{
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(void)fprintf(stderr,
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"usage: mount_ufs [-v] [-o options] special node\n");
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exit(EX_USAGE);
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}
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