76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi/*
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * CDDL HEADER START
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi *
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * The contents of this file are subject to the terms of the
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * Common Development and Distribution License (the "License").
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * You may not use this file except in compliance with the License.
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi *
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * or http://www.opensolaris.org/os/licensing.
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * See the License for the specific language governing permissions
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * and limitations under the License.
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi *
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * When distributing Covered Code, include this CDDL HEADER in each
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * If applicable, add the following below this CDDL HEADER, with the
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * fields enclosed by brackets "[]" replaced with your own identifying
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * information: Portions Copyright [yyyy] [name of copyright owner]
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi *
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * CDDL HEADER END
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi */
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi/*
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * Use is subject to license terms.
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * Copyright (c) 2014 Joyent, Inc. All rights reserved.
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi */
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <stdio.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <stdlib.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <string.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <libintl.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <errno.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <sys/fstyp.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <sys/fsid.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <sys/mntent.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <sys/mnttab.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <sys/mount.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <sys/signal.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <sys/stat.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#include <fslib.h>
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi#define MNTTYPE_BOOTFS "bootfs"
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchistatic char optbuf[MAX_MNTOPT_STR] = { '\0', };
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchistatic int optsize = 0;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchistatic void
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchiusage(void)
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi{
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi (void) fprintf(stderr,
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi "Usage: mount [-Ormq] [-o options] special mountpoint\n");
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi exit(2);
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi}
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi/*
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * usage: mount [-Ormq] [-o options] special mountp
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi *
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * This mount program is exec'ed by /usr/sbin/mount if '-F bootfs' is
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi * specified.
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi */
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchiint
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchimain(int argc, char *argv[])
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi{
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi int c;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi char *special; /* Entity being mounted */
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi char *mountp; /* Entity being mounted on */
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi char *savedoptbuf;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi char *myname;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi char typename[64];
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi int flags = 0;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi int errflag = 0;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi int qflg = 0;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi myname = strrchr(argv[0], '/');
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi myname = myname ? myname+1 : argv[0];
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi (void) snprintf(typename, sizeof (typename), "%s %s", MNTTYPE_BOOTFS,
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi myname);
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi argv[0] = typename;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi while ((c = getopt(argc, argv, "o:rmOq")) != EOF) {
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi switch (c) {
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi case '?':
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi errflag++;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi break;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi case 'o':
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi if (strlcpy(optbuf, optarg, sizeof (optbuf)) >=
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi sizeof (optbuf)) {
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi (void) fprintf(stderr,
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi gettext("%s: Invalid argument: %s\n"),
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi myname, optarg);
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi return (2);
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi }
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi optsize = strlen(optbuf);
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi break;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi case 'O':
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi flags |= MS_OVERLAY;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi break;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi case 'r':
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi flags |= MS_RDONLY;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi break;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi case 'm':
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi flags |= MS_NOMNTTAB;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi break;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi case 'q':
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi qflg = 1;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi break;
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi default:
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi usage();
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi }
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi }
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi if ((argc - optind != 2) || errflag) {
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi usage();
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi }
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi special = argv[argc - 2];
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi mountp = argv[argc - 1];
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi if ((savedoptbuf = strdup(optbuf)) == NULL) {
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi (void) fprintf(stderr, gettext("%s: out of memory\n"),
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi myname);
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi exit(2);
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi }
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi if (mount(special, mountp, flags | MS_OPTIONSTR, MNTTYPE_BOOTFS, NULL,
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi 0, optbuf, MAX_MNTOPT_STR)) {
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi (void) fprintf(stderr, "mount: ");
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi perror(special);
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi exit(2);
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi }
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi if (optsize && !qflg) {
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi cmp_requested_to_actual_options(savedoptbuf, optbuf,
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi special, mountp);
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi }
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi return (0);
76ca3cb000306bc4052fe820a7e4a6998dbcf932Robert Mustacchi}