1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1992, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software donated to Berkeley by 8 * Jan-Simon Pendry. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef lint 36 static const char copyright[] = 37 "@(#) Copyright (c) 1992, 1993, 1994\n\ 38 The Regents of the University of California. All rights reserved.\n"; 39 #endif /* not lint */ 40 41 #ifndef lint 42 #if 0 43 static char sccsid[] = "@(#)mount_fs.c 8.6 (Berkeley) 4/26/95"; 44 #endif 45 static const char rcsid[] = 46 "$FreeBSD$"; 47 #endif /* not lint */ 48 49 #include <sys/param.h> 50 #include <sys/mount.h> 51 52 #include <err.h> 53 #include <getopt.h> 54 #include <libgen.h> 55 #include <stdio.h> 56 #include <stdlib.h> 57 #include <string.h> 58 #include <unistd.h> 59 60 #include "extern.h" 61 #include "mntopts.h" 62 63 static struct mntopt mopts[] = { 64 MOPT_STDOPTS, 65 MOPT_END 66 }; 67 68 static void 69 usage(void) 70 { 71 (void)fprintf(stderr, 72 "usage: mount [-t fstype] [-o options] target_fs mount_point\n"); 73 exit(1); 74 } 75 76 int 77 mount_fs(const char *vfstype, int argc, char *argv[]) 78 { 79 struct iovec *iov; 80 int iovlen; 81 int mntflags = 0; 82 int ch; 83 char *dev, *dir, mntpath[MAXPATHLEN]; 84 char fstype[32]; 85 char errmsg[255]; 86 char *p, *val; 87 88 strlcpy(fstype, vfstype, sizeof(fstype)); 89 memset(errmsg, 0, sizeof(errmsg)); 90 91 getmnt_silent = 1; 92 iov = NULL; 93 iovlen = 0; 94 95 optind = optreset = 1; /* Reset for parse of new argv. */ 96 while ((ch = getopt(argc, argv, "o:")) != -1) { 97 switch(ch) { 98 case 'o': 99 getmntopts(optarg, mopts, &mntflags, 0); 100 p = strchr(optarg, '='); 101 val = NULL; 102 if (p != NULL) { 103 *p = '\0'; 104 val = p + 1; 105 } 106 build_iovec(&iov, &iovlen, optarg, val, (size_t)-1); 107 break; 108 case '?': 109 default: 110 usage(); 111 } 112 } 113 114 argc -= optind; 115 argv += optind; 116 if (argc != 2) 117 usage(); 118 119 dev = argv[0]; 120 dir = argv[1]; 121 122 if (checkpath(dir, mntpath) != 0) { 123 warn("%s", mntpath); 124 return (1); 125 } 126 (void)rmslashes(dev, dev); 127 128 build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1); 129 build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1); 130 build_iovec(&iov, &iovlen, "from", dev, (size_t)-1); 131 build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg)); 132 133 if (nmount(iov, iovlen, mntflags) == -1) { 134 if (*errmsg != '\0') 135 warn("%s: %s", dev, errmsg); 136 else 137 warn("%s", dev); 138 return (1); 139 } 140 return (0); 141 } 142