011b5486c5
For filesystems which use vfs_mount_error() to log an error, this char buffer will be populated with a string error message. If nmount() fails, in addition to printing out strerror(errno), print out the "errmsg" populated by vfs_mount_error().
139 lines
3.8 KiB
C
139 lines
3.8 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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*
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* This code is derived from software donated to Berkeley by
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* Jan-Simon Pendry.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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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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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1992, 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)mount_fs.c 8.6 (Berkeley) 4/26/95";
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#endif
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <err.h>
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#include <getopt.h>
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#include <libgen.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "extern.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_END
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};
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static void
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usage(void)
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{
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(void)fprintf(stderr,
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"usage: mount [-t fstype] [-o options] target_fs mount_point\n");
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exit(1);
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}
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int
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mount_fs(const char *vfstype, 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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int mntflags = 0;
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int ch;
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char *dev, *dir, mntpath[MAXPATHLEN];
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char fstype[32];
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char errmsg[255];
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char *p, *val;
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int ret;
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strncpy(fstype, vfstype, sizeof(fstype));
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memset(errmsg, 0, sizeof(errmsg));
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getmnt_silent = 1;
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iov = NULL;
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iovlen = 0;
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optind = optreset = 1; /* Reset for parse of new argv. */
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while ((ch = getopt(argc, argv, "o:")) != -1) {
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switch(ch) {
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case 'o':
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getmntopts(optarg, mopts, &mntflags, 0);
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p = strchr(optarg, '=');
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val = NULL;
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if (p != NULL) {
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*p = '\0';
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val = p + 1;
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}
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build_iovec(&iov, &iovlen, optarg, val, (size_t)-1);
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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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}
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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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(void)checkpath(dir, mntpath);
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(void)rmslashes(dev, dev);
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build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
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build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1);
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build_iovec(&iov, &iovlen, "from", dev, (size_t)-1);
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build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));
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ret = nmount(iov, iovlen, mntflags);
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if (ret < 0)
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err(1, "%s %s", dev, errmsg);
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return (ret);
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}
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