mount_fs.c revision 216399
1139743Simp/* 2123474Swpaul * Copyright (c) 1992, 1993, 1994 3123474Swpaul * The Regents of the University of California. All rights reserved. 4123474Swpaul * 5123474Swpaul * This code is derived from software donated to Berkeley by 6123474Swpaul * Jan-Simon Pendry. 7123474Swpaul * 8123474Swpaul * Redistribution and use in source and binary forms, with or without 9123474Swpaul * modification, are permitted provided that the following conditions 10123474Swpaul * are met: 11123474Swpaul * 1. Redistributions of source code must retain the above copyright 12123474Swpaul * notice, this list of conditions and the following disclaimer. 13123474Swpaul * 2. Redistributions in binary form must reproduce the above copyright 14123474Swpaul * notice, this list of conditions and the following disclaimer in the 15123474Swpaul * documentation and/or other materials provided with the distribution. 16123474Swpaul * 4. Neither the name of the University nor the names of its contributors 17123474Swpaul * may be used to endorse or promote products derived from this software 18123474Swpaul * without specific prior written permission. 19123474Swpaul * 20123474Swpaul * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21123474Swpaul * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22123474Swpaul * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23123474Swpaul * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24123474Swpaul * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25123474Swpaul * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26123474Swpaul * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27123474Swpaul * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28123474Swpaul * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29123474Swpaul * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30123474Swpaul * SUCH DAMAGE. 31123474Swpaul */ 32123474Swpaul 33123474Swpaul#ifndef lint 34123474Swpaulstatic const char copyright[] = 35123474Swpaul"@(#) Copyright (c) 1992, 1993, 1994\n\ 36189488Sweongyo The Regents of the University of California. All rights reserved.\n"; 37123474Swpaul#endif /* not lint */ 38123474Swpaul 39123474Swpaul#ifndef lint 40123474Swpaul#if 0 41123474Swpaulstatic char sccsid[] = "@(#)mount_fs.c 8.6 (Berkeley) 4/26/95"; 42123474Swpaul#endif 43123474Swpaulstatic const char rcsid[] = 44123474Swpaul "$FreeBSD: head/sbin/mount/mount_fs.c 216399 2010-12-12 21:26:12Z joel $"; 45123474Swpaul#endif /* not lint */ 46123474Swpaul 47123474Swpaul#include <sys/param.h> 48123474Swpaul#include <sys/mount.h> 49124582Sobrien 50123474Swpaul#include <err.h> 51123474Swpaul#include <getopt.h> 52123474Swpaul#include <libgen.h> 53123474Swpaul#include <stdio.h> 54123474Swpaul#include <stdlib.h> 55123474Swpaul#include <string.h> 56123474Swpaul#include <unistd.h> 57123474Swpaul 58189488Sweongyo#include "extern.h" 59189488Sweongyo#include "mntopts.h" 60189488Sweongyo 61189488Sweongyostruct mntopt mopts[] = { 62189488Sweongyo MOPT_STDOPTS, 63189488Sweongyo MOPT_END 64189488Sweongyo}; 65189488Sweongyo 66189488Sweongyostatic void 67189488Sweongyousage(void) 68189488Sweongyo{ 69189488Sweongyo (void)fprintf(stderr, 70189488Sweongyo "usage: mount [-t fstype] [-o options] target_fs mount_point\n"); 71189488Sweongyo exit(1); 72189488Sweongyo} 73189488Sweongyo 74189488Sweongyoint 75189488Sweongyomount_fs(const char *vfstype, int argc, char *argv[]) 76189488Sweongyo{ 77189488Sweongyo struct iovec *iov; 78189488Sweongyo int iovlen; 79189488Sweongyo int mntflags = 0; 80189488Sweongyo int ch; 81189488Sweongyo char *dev, *dir, mntpath[MAXPATHLEN]; 82189488Sweongyo char fstype[32]; 83189488Sweongyo char errmsg[255]; 84189488Sweongyo char *p, *val; 85189488Sweongyo int ret; 86189488Sweongyo 87189488Sweongyo strlcpy(fstype, vfstype, sizeof(fstype)); 88189488Sweongyo memset(errmsg, 0, sizeof(errmsg)); 89189488Sweongyo 90189488Sweongyo getmnt_silent = 1; 91189488Sweongyo iov = NULL; 92189488Sweongyo iovlen = 0; 93189488Sweongyo 94189488Sweongyo optind = optreset = 1; /* Reset for parse of new argv. */ 95189488Sweongyo while ((ch = getopt(argc, argv, "o:")) != -1) { 96189488Sweongyo switch(ch) { 97189488Sweongyo case 'o': 98189488Sweongyo getmntopts(optarg, mopts, &mntflags, 0); 99189488Sweongyo p = strchr(optarg, '='); 100189488Sweongyo val = NULL; 101189488Sweongyo if (p != NULL) { 102189488Sweongyo *p = '\0'; 103189488Sweongyo val = p + 1; 104189488Sweongyo } 105189488Sweongyo build_iovec(&iov, &iovlen, optarg, val, (size_t)-1); 106189488Sweongyo break; 107189488Sweongyo case '?': 108189488Sweongyo default: 109189488Sweongyo usage(); 110189488Sweongyo } 111189488Sweongyo } 112189488Sweongyo 113189488Sweongyo argc -= optind; 114189488Sweongyo argv += optind; 115189488Sweongyo if (argc != 2) 116189488Sweongyo usage(); 117189488Sweongyo 118189488Sweongyo dev = argv[0]; 119189488Sweongyo dir = argv[1]; 120189488Sweongyo 121189488Sweongyo (void)checkpath(dir, mntpath); 122189488Sweongyo (void)rmslashes(dev, dev); 123189488Sweongyo 124189488Sweongyo build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1); 125189488Sweongyo build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1); 126189488Sweongyo build_iovec(&iov, &iovlen, "from", dev, (size_t)-1); 127189488Sweongyo build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg)); 128189488Sweongyo 129189488Sweongyo ret = nmount(iov, iovlen, mntflags); 130189488Sweongyo if (ret < 0) 131189488Sweongyo err(1, "%s %s", dev, errmsg); 132189488Sweongyo 133189488Sweongyo return (ret); 134123474Swpaul} 135123474Swpaul