1 /* 2 * Copyright (c) 1990, 1992 Jan-Simon Pendry 3 * Copyright (c) 1992, 1993, 1994 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * Jan-Simon Pendry. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#) Copyright (c) 1992, 1993, 1994 The Regents of the University of California. All rights reserved. 34 * $FreeBSD: src/sbin/mount_std/mount_std.c,v 1.10.2.1 2001/07/30 10:30:07 dd Exp $ 35 */ 36 37 #include <sys/param.h> 38 #include <sys/mount.h> 39 40 #include <err.h> 41 #include <mntopts.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <sysexits.h> 46 #include <unistd.h> 47 48 static struct mntopt mopts[] = { 49 MOPT_STDOPTS, 50 { .m_option = NULL } 51 }; 52 53 static void usage(void) __dead2; 54 static const char *fsname; 55 56 int 57 main(int argc, char **argv) 58 { 59 int ch, mntflags; 60 char mntpath[MAXPATHLEN]; 61 struct vfsconf vfc; 62 int error; 63 64 /* 65 * XXX 66 * mount(8) calls the mount programs with an argv[0] which is 67 * /just/ the filesystem name. So, if there is no underscore 68 * in argv[0], we assume that we are being called from mount(8) 69 * and that argv[0] is thus the name of the filesystem type. 70 */ 71 fsname = strrchr(argv[0], '_'); 72 if (fsname) { 73 if (strcmp(fsname, "_std") == 0) 74 errx(EX_USAGE, "argv[0] must end in _fsname"); 75 fsname++; 76 } else { 77 fsname = argv[0]; 78 } 79 80 mntflags = 0; 81 while ((ch = getopt(argc, argv, "o:")) != -1) 82 switch (ch) { 83 case 'o': 84 getmntopts(optarg, mopts, &mntflags, 0); 85 break; 86 case '?': 87 default: 88 usage(); 89 } 90 argc -= optind; 91 argv += optind; 92 93 if (argc != 2) 94 usage(); 95 96 error = getvfsbyname(fsname, &vfc); 97 if (error && vfsisloadable(fsname)) { 98 if(vfsload(fsname)) 99 err(EX_OSERR, "vfsload(%s)", fsname); 100 endvfsent(); 101 error = getvfsbyname(fsname, &vfc); 102 } 103 if (error) 104 errx(EX_OSERR, "%s filesystem not available", fsname); 105 106 /* resolve the mountpoint with realpath(3) */ 107 checkpath(argv[1], mntpath); 108 109 if (mount(vfc.vfc_name, mntpath, mntflags, NULL)) 110 err(EX_OSERR, NULL); 111 exit(0); 112 } 113 114 void 115 usage(void) 116 { 117 fprintf(stderr, 118 "usage: mount_%s [-o options] what_to_mount mount_point\n", fsname); 119 exit(EX_USAGE); 120 } 121