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mount_ntfs.c revision 1.5
      1 /* $NetBSD: mount_ntfs.c,v 1.5 2000/10/30 20:57:00 jdolecek Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1994 Christopher G. Demetriou
      5  * Copyright (c) 1999 Semen Ustimenko
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *      This product includes software developed by Christopher G. Demetriou.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  *
     33  * Id: mount_ntfs.c,v 1.1.1.1 1999/02/03 03:51:19 semenu Exp
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 #ifndef lint
     38 __RCSID("$NetBSD: mount_ntfs.c,v 1.5 2000/10/30 20:57:00 jdolecek Exp $");
     39 #endif
     40 
     41 #include <sys/cdefs.h>
     42 #include <sys/param.h>
     43 #define NTFS
     44 #include <sys/mount.h>
     45 #include <sys/stat.h>
     46 #include <ntfs/ntfsmount.h>
     47 #include <ctype.h>
     48 #include <err.h>
     49 #include <grp.h>
     50 #include <pwd.h>
     51 #include <stdio.h>
     52 #include <stdlib.h>
     53 #include <string.h>
     54 #include <sysexits.h>
     55 #include <unistd.h>
     56 
     57 #include "mntopts.h"
     58 #include <fattr.h>
     59 
     60 static const struct mntopt mopts[] = {
     61 	MOPT_STDOPTS,
     62 	{ NULL }
     63 };
     64 
     65 #ifndef __dead2
     66 #define __dead2 __attribute__((__noreturn__))
     67 #endif
     68 
     69 static void	usage __P((void)) __dead2;
     70 int main __P((int, char **));
     71 int mount_ntfs __P((int argc, char **argv));
     72 
     73 #ifndef MOUNT_NOMAIN
     74 int
     75 main(argc, argv)
     76 	int argc;
     77 	char **argv;
     78 {
     79 	return mount_ntfs(argc, argv);
     80 }
     81 #endif
     82 
     83 int
     84 mount_ntfs(argc, argv)
     85 	int argc;
     86 	char **argv;
     87 {
     88 	struct ntfs_args args;
     89 	struct stat sb;
     90 	int c, mntflags, set_gid, set_uid, set_mask;
     91 	char *dev, *dir, ndir[MAXPATHLEN+1];
     92 #ifdef __FreeBSD__
     93 #if __FreeBSD_version >= 300000
     94 	struct vfsconf vfc;
     95 #else
     96 	struct vfsconf *vfc;
     97 #endif
     98 #endif
     99 
    100 	mntflags = set_gid = set_uid = set_mask = 0;
    101 	(void)memset(&args, '\0', sizeof(args));
    102 
    103 	while ((c = getopt(argc, argv, "aiu:g:m:o:")) !=  -1) {
    104 		switch (c) {
    105 		case 'u':
    106 			args.uid = a_uid(optarg);
    107 			set_uid = 1;
    108 			break;
    109 		case 'g':
    110 			args.gid = a_gid(optarg);
    111 			set_gid = 1;
    112 			break;
    113 		case 'm':
    114 			args.mode = a_mask(optarg);
    115 			set_mask = 1;
    116 			break;
    117 		case 'i':
    118 			args.flag |= NTFS_MFLAG_CASEINS;
    119 			break;
    120 		case 'a':
    121 			args.flag |= NTFS_MFLAG_ALLNAMES;
    122 			break;
    123 		case 'o':
    124 			getmntopts(optarg, mopts, &mntflags, 0);
    125 			break;
    126 		case '?':
    127 		default:
    128 			usage();
    129 			break;
    130 		}
    131 	}
    132 
    133 	if (optind + 2 != argc)
    134 		usage();
    135 
    136 	dev = argv[optind];
    137 	dir = argv[optind + 1];
    138 	if (dir[0] != '/') {
    139 		warnx("\"%s\" is a relative path", dir);
    140 		if (getcwd(ndir, sizeof(ndir)) == NULL)
    141 			err(EX_OSERR, "getcwd");
    142 		strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1);
    143 		strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1);
    144 		dir = ndir;
    145 		warnx("using \"%s\" instead", dir);
    146 	}
    147 
    148 	args.fspec = dev;
    149 	args.export.ex_root = 65534;	/* unchecked anyway on DOS fs */
    150 	if (mntflags & MNT_RDONLY)
    151 		args.export.ex_flags = MNT_EXRDONLY;
    152 	else
    153 		args.export.ex_flags = 0;
    154 	if (!set_gid || !set_uid || !set_mask) {
    155 		if (stat(dir, &sb) == -1)
    156 			err(EX_OSERR, "stat %s", dir);
    157 
    158 		if (!set_uid)
    159 			args.uid = sb.st_uid;
    160 		if (!set_gid)
    161 			args.gid = sb.st_gid;
    162 		if (!set_mask)
    163 			args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
    164 	}
    165 #ifdef __FreeBSD__
    166 #if __FreeBSD_version >= 300000
    167 	c = getvfsbyname("ntfs", &vfc);
    168 	if(c && vfsisloadable("ntfs")) {
    169 		if(vfsload("ntfs"))
    170 #else
    171 	vfc = getvfsbyname("ntfs");
    172 	if(!vfc && vfsisloadable("ntfs")) {
    173 		if(vfsload("ntfs"))
    174 #endif
    175 			err(EX_OSERR, "vfsload(ntfs)");
    176 		endvfsent();	/* clear cache */
    177 #if __FreeBSD_version >= 300000
    178 		c = getvfsbyname("ntfs", &vfc);
    179 #else
    180 		vfc = getvfsbyname("ntfs");
    181 #endif
    182 	}
    183 #if __FreeBSD_version >= 300000
    184 	if (c)
    185 #else
    186 	if (!vfc)
    187 #endif
    188 		errx(EX_OSERR, "ntfs filesystem is not available");
    189 
    190 #if __FreeBSD_version >= 300000
    191 	if (mount(vfc.vfc_name, dir, mntflags, &args) < 0)
    192 #else
    193 	if (mount(vfc->vfc_index, dir, mntflags, &args) < 0)
    194 #endif
    195 #else
    196 	if (mount(MOUNT_NTFS, dir, mntflags, &args) < 0)
    197 #endif
    198 		err(EX_OSERR, "%s on %s", dev, dir);
    199 
    200 	exit (0);
    201 }
    202 
    203 static void
    204 usage()
    205 {
    206 	fprintf(stderr, "usage: mount_ntfs [-a] [-i] [-u user] [-g group] [-m mask] bdev dir\n");
    207 	exit(EX_USAGE);
    208 }
    209