mount_fs.c revision 152344
1/* 2 * Copyright (c) 1992, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software donated to Berkeley by 6 * Jan-Simon Pendry. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37#ifndef lint 38static const char copyright[] = 39"@(#) Copyright (c) 1992, 1993, 1994\n\ 40 The Regents of the University of California. All rights reserved.\n"; 41#endif /* not lint */ 42 43#ifndef lint 44#if 0 45static char sccsid[] = "@(#)mount_fs.c 8.6 (Berkeley) 4/26/95"; 46#endif 47static const char rcsid[] = 48 "$FreeBSD: head/sbin/mount/mount_fs.c 152344 2005-11-12 20:12:56Z rodrigc $"; 49#endif /* not lint */ 50 51#include <sys/param.h> 52#include <sys/mount.h> 53 54#include <err.h> 55#include <getopt.h> 56#include <libgen.h> 57#include <stdio.h> 58#include <stdlib.h> 59#include <string.h> 60#include <unistd.h> 61 62#include "extern.h" 63#include "mntopts.h" 64 65struct mntopt mopts[] = { 66 MOPT_STDOPTS, 67 MOPT_END 68}; 69 70static void 71usage(void) 72{ 73 (void)fprintf(stderr, 74 "usage: mount [-t fstype] [-o options] target_fs mount_point\n"); 75 exit(1); 76} 77 78int 79mount_fs(const char *vfstype, int argc, char *argv[]) 80{ 81 struct iovec *iov; 82 int iovlen; 83 int mntflags = 0; 84 int ch; 85 char *dev, *dir, mntpath[MAXPATHLEN]; 86 char fstype[32]; 87 char *p, *val; 88 int ret; 89 90 strncpy(fstype, vfstype, sizeof(fstype)); 91 92 getmnt_silent = 1; 93 iov = NULL; 94 iovlen = 0; 95 96 optind = optreset = 1; /* Reset for parse of new argv. */ 97 while ((ch = getopt(argc, argv, "o:")) != -1) { 98 switch(ch) { 99 case 'o': 100 getmntopts(optarg, mopts, &mntflags, 0); 101 p = strchr(optarg, '='); 102 val = NULL; 103 if (p != NULL) { 104 *p = '\0'; 105 val = p + 1; 106 } 107 build_iovec(&iov, &iovlen, optarg, val, -1); 108 break; 109 case '?': 110 default: 111 usage(); 112 } 113 } 114 115 argc -= optind; 116 argv += optind; 117 if (argc != 2) 118 usage(); 119 120 dev = argv[0]; 121 dir = argv[1]; 122 123 (void)checkpath(dir, mntpath); 124 (void)rmslashes(dev, dev); 125 126 build_iovec(&iov, &iovlen, "fstype", fstype, -1); 127 build_iovec(&iov, &iovlen, "fspath", mntpath, -1); 128 build_iovec(&iov, &iovlen, "from", dev, -1); 129 130 ret = nmount(iov, iovlen, mntflags); 131 if (ret < 0) 132 err(1, "%s", dev); 133 134 return (ret); 135} 136