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| 1 | +/* $NetBSD$ */ |
| 2 | + |
| 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 | +#include <sys/cdefs.h> |
| 36 | +#ifndef lint |
| 37 | +__COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\ |
| 38 | + The Regents of the University of California. All rights reserved."); |
| 39 | +#endif /* not lint */ |
| 40 | + |
| 41 | +#ifndef lint |
| 42 | +#if 0 |
| 43 | +static char sccsid[] = "@(#)mount_full.c 8.6 (Berkeley) 4/26/95"; |
| 44 | +#else |
| 45 | +__RCSID("$NetBSD$"); |
| 46 | +#endif |
| 47 | +#endif /* not lint */ |
| 48 | + |
| 49 | +#include <sys/param.h> |
| 50 | +#include <sys/mount.h> |
| 51 | +#include <miscfs/fullfs/full.h> |
| 52 | + |
| 53 | +#include <err.h> |
| 54 | +#include <stdio.h> |
| 55 | +#include <unistd.h> |
| 56 | +#include <stdlib.h> |
| 57 | +#include <string.h> |
| 58 | + |
| 59 | +#include <mntopts.h> |
| 60 | + |
| 61 | +#include "mountprog.h" |
| 62 | + |
| 63 | +static const struct mntopt mopts[] = { |
| 64 | + MOPT_STDOPTS, |
| 65 | + MOPT_GETARGS, |
| 66 | + MOPT_NULL, |
| 67 | +}; |
| 68 | + |
| 69 | +int mount_full(int argc, char **argv); |
| 70 | +__dead static void usage(void); |
| 71 | + |
| 72 | +#ifndef MOUNT_NOMAIN |
| 73 | +int |
| 74 | +main(int argc, char **argv) |
| 75 | +{ |
| 76 | + return mount_full(argc, argv); |
| 77 | +} |
| 78 | +#endif |
| 79 | + |
| 80 | +int |
| 81 | +mount_full(int argc, char *argv[]) |
| 82 | +{ |
| 83 | + struct full_args args; |
| 84 | + int ch, mntflags; |
| 85 | + char target[MAXPATHLEN], canon_dir[MAXPATHLEN]; |
| 86 | + mntoptparse_t mp; |
| 87 | + |
| 88 | + mntflags = 0; |
| 89 | + while ((ch = getopt(argc, argv, "o:")) != -1) |
| 90 | + switch(ch) { |
| 91 | + case 'o': |
| 92 | + mp = getmntopts(optarg, mopts, &mntflags, 0); |
| 93 | + if (mp == NULL) |
| 94 | + err(1, "getmntopts"); |
| 95 | + freemntopts(mp); |
| 96 | + break; |
| 97 | + case '?': |
| 98 | + default: |
| 99 | + usage(); |
| 100 | + } |
| 101 | + argc -= optind; |
| 102 | + argv += optind; |
| 103 | + |
| 104 | + if (argc != 2) |
| 105 | + usage(); |
| 106 | + |
| 107 | + pathadj(argv[0], target); |
| 108 | + pathadj(argv[1], canon_dir); |
| 109 | + |
| 110 | + if (strcmp(target, canon_dir) == 0) |
| 111 | + errx(1, "%s (%s) and %s (%s) are identical paths", |
| 112 | + argv[0], target, argv[1], canon_dir); |
| 113 | + |
| 114 | + args.la.target = target; |
| 115 | + |
| 116 | + if (mount(MOUNT_FULL, canon_dir, mntflags, &args, sizeof args) == -1) |
| 117 | + err(1, "%s on %s", target, canon_dir); |
| 118 | + exit(0); |
| 119 | +} |
| 120 | + |
| 121 | +static void |
| 122 | +usage(void) |
| 123 | +{ |
| 124 | + (void)fprintf(stderr, |
| 125 | + "usage: mount_full [-o options] target_fs mount_point\n"); |
| 126 | + exit(1); |
| 127 | +} |
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