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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*
     23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
     28 /*	  All Rights Reserved  	*/
     29 
     30 
     31 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     32 
     33 #include	<stdio.h>
     34 #include	<stdlib.h>
     35 #include	<signal.h>
     36 #include	<errno.h>
     37 #include	<sys/mnttab.h>
     38 #include	<sys/mount.h>
     39 #include	<sys/types.h>
     40 #include 	<locale.h>
     41 #include	<sys/stat.h>
     42 #include	<string.h>
     43 
     44 #include	<fslib.h>
     45 
     46 #define	NAME_MAX	64	/* sizeof "fstype myname" */
     47 
     48 #define	FSTYPE		"mntfs"
     49 
     50 static void do_mount(char *, char *, int);
     51 static void usage(void);
     52 static void rpterr(char *, char *);
     53 
     54 static char  optbuf[MAX_MNTOPT_STR] = { '\0', };
     55 static int   optsize = 0;
     56 
     57 static int	flags = 0;
     58 static int	mflg = 0;	/* don't update /etc/mnttab flag */
     59 static int	Oflg = 0;
     60 static int	qflg = 0;
     61 
     62 static char	typename[NAME_MAX], *myname;
     63 static char	fstype[] = FSTYPE;
     64 
     65 int
     66 main(int argc, char *argv[])
     67 {
     68 	char	*special, *mountp;
     69 	int	errflag = 0;
     70 	int	cc;
     71 
     72 	(void) setlocale(LC_ALL, "");
     73 
     74 #if !defined(TEXT_DOMAIN)
     75 #define	TEXT_DOMAIN "SYS_TEST"
     76 #endif
     77 	(void) textdomain(TEXT_DOMAIN);
     78 
     79 	myname = strrchr(argv[0], '/');
     80 	if (myname)
     81 		myname++;
     82 	else
     83 		myname = argv[0];
     84 	(void) snprintf(typename, sizeof (typename), "%s %s", fstype, myname);
     85 	argv[0] = typename;
     86 
     87 	/*
     88 	 *	check for proper arguments
     89 	 */
     90 
     91 	while ((cc = getopt(argc, argv, "?rmOo:q")) != -1)
     92 		switch (cc) {
     93 		case 'm':
     94 			mflg++;
     95 			break;
     96 		case 'r':
     97 			flags |= MS_RDONLY;
     98 			break;
     99 		case 'O':
    100 			Oflg++;
    101 			break;
    102 		case 'o':
    103 			if (strlcpy(optbuf, optarg, sizeof (optbuf)) >=
    104 			    sizeof (optbuf)) {
    105 				(void) fprintf(stderr,
    106 				    gettext("%s: Invalid argument: %s\n"),
    107 				    myname, optarg);
    108 				return (2);
    109 			}
    110 			optsize = strlen(optbuf);
    111 			break;
    112 		case 'q':
    113 			qflg++;
    114 			break;
    115 		case '?':
    116 		default:
    117 			errflag = 1;
    118 			break;
    119 		}
    120 
    121 	/*
    122 	 *	There must be at least 2 more arguments, the
    123 	 *	special file and the directory.
    124 	 */
    125 
    126 	if (((argc - optind) != 2) || (errflag))
    127 		usage();
    128 
    129 	special = argv[optind++];
    130 	mountp = argv[optind++];
    131 
    132 	/*
    133 	 *	Perform the mount.
    134 	 */
    135 	if (mflg)
    136 		flags |= MS_NOMNTTAB;
    137 	do_mount(special, mountp, flags);
    138 	return (0);
    139 }
    140 
    141 static void
    142 rpterr(char *bs, char *mp)
    143 {
    144 	switch (errno) {
    145 	case EPERM:
    146 		(void) fprintf(stderr, gettext("%s: insufficient privileges\n"),
    147 		    myname);
    148 		break;
    149 	case ENXIO:
    150 		(void) fprintf(stderr, gettext("%s: %s no such device\n"),
    151 		    myname, bs);
    152 		break;
    153 	case ENOTDIR:
    154 		(void) fprintf(stderr,
    155 gettext("%s: %s not a directory\n\tor a component of %s is not a directory\n"),
    156 			myname, mp, bs);
    157 		break;
    158 	case ENOENT:
    159 		(void) fprintf(stderr,
    160 			gettext("%s: %s or %s, no such file or directory\n"),
    161 			myname, bs, mp);
    162 		break;
    163 	case EINVAL:
    164 		(void) fprintf(stderr, gettext("%s: %s is not this fstype.\n"),
    165 			myname, bs);
    166 		break;
    167 	case EBUSY:
    168 		(void) fprintf(stderr,
    169 			gettext("%s: %s is already mounted or %s is busy\n"),
    170 			myname, bs, mp);
    171 		break;
    172 	case EROFS:
    173 		(void) fprintf(stderr, gettext("%s: %s write-protected\n"),
    174 				myname, bs);
    175 		break;
    176 	case ENOSPC:
    177 		(void) fprintf(stderr,
    178 			gettext("%s: the state of %s is not okay\n"
    179 			"\tand it was attempted to mount read/write\n"),
    180 			myname, bs);
    181 		break;
    182 	default:
    183 		perror(myname);
    184 		(void) fprintf(stderr, gettext("%s: cannot mount %s\n"),
    185 		    myname, bs);
    186 	}
    187 }
    188 
    189 static void
    190 do_mount(char *special, char *mountp, int rflag)
    191 {
    192 	char *savedoptbuf;
    193 
    194 	if ((savedoptbuf = strdup(optbuf)) == NULL) {
    195 		(void) fprintf(stderr, gettext("%s: out of memory\n"),
    196 		    myname);
    197 		exit(1);
    198 	}
    199 
    200 	rflag |= Oflg ? MS_OVERLAY : 0;
    201 	if (mount(special, mountp, rflag | MS_OPTIONSTR, fstype, NULL, 0,
    202 	    optbuf, MAX_MNTOPT_STR)) {
    203 		rpterr(special, mountp);
    204 		exit(1);
    205 	}
    206 
    207 	if (optsize && !qflg)
    208 		cmp_requested_to_actual_options(savedoptbuf, optbuf,
    209 		    special, mountp);
    210 }
    211 
    212 static void
    213 usage(void)
    214 {
    215 	(void) fprintf(stderr,
    216 		gettext("%s usage:\n%s [-F %s] [-r] [-o specific_options] "
    217 		"{special | mount_point}\n%s [-F %s] [-r] [-o specific_options]"
    218 		" special mount_point\n"),
    219 		fstype, myname, fstype, myname, fstype);
    220 	exit(2);
    221 }
    222