xref: /netbsd/sbin/mount_ntfs/mount_ntfs.c (revision c4a72b64)
1 /* $NetBSD: mount_ntfs.c,v 1.7 2002/10/01 09:20:35 itojun 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 1.7 2002/10/01 09:20:35 itojun 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 #include <util.h>
57 
58 #include "mntopts.h"
59 #include <fattr.h>
60 
61 static const struct mntopt mopts[] = {
62 	MOPT_STDOPTS,
63 	MOPT_GETARGS,
64 	{ NULL }
65 };
66 
67 #ifndef __dead2
68 #define __dead2 __attribute__((__noreturn__))
69 #endif
70 
71 static void	usage __P((void)) __dead2;
72 int main __P((int, char **));
73 int mount_ntfs __P((int argc, char **argv));
74 
75 #ifndef MOUNT_NOMAIN
76 int
77 main(argc, argv)
78 	int argc;
79 	char **argv;
80 {
81 	return mount_ntfs(argc, argv);
82 }
83 #endif
84 
85 int
86 mount_ntfs(argc, argv)
87 	int argc;
88 	char **argv;
89 {
90 	struct ntfs_args args;
91 	struct stat sb;
92 	int c, mntflags, set_gid, set_uid, set_mask;
93 	char *dev, *dir, ndir[MAXPATHLEN+1];
94 #ifdef __FreeBSD__
95 #if __FreeBSD_version >= 300000
96 	struct vfsconf vfc;
97 #else
98 	struct vfsconf *vfc;
99 #endif
100 #endif
101 
102 	mntflags = set_gid = set_uid = set_mask = 0;
103 	(void)memset(&args, '\0', sizeof(args));
104 
105 	while ((c = getopt(argc, argv, "aiu:g:m:o:")) !=  -1) {
106 		switch (c) {
107 		case 'u':
108 			args.uid = a_uid(optarg);
109 			set_uid = 1;
110 			break;
111 		case 'g':
112 			args.gid = a_gid(optarg);
113 			set_gid = 1;
114 			break;
115 		case 'm':
116 			args.mode = a_mask(optarg);
117 			set_mask = 1;
118 			break;
119 		case 'i':
120 			args.flag |= NTFS_MFLAG_CASEINS;
121 			break;
122 		case 'a':
123 			args.flag |= NTFS_MFLAG_ALLNAMES;
124 			break;
125 		case 'o':
126 			getmntopts(optarg, mopts, &mntflags, 0);
127 			break;
128 		case '?':
129 		default:
130 			usage();
131 			break;
132 		}
133 	}
134 
135 	if (optind + 2 != argc)
136 		usage();
137 
138 	dev = argv[optind];
139 	dir = argv[optind + 1];
140 	if (dir[0] != '/') {
141 		warnx("\"%s\" is a relative path", dir);
142 		if (getcwd(ndir, sizeof(ndir)) == NULL)
143 			err(EX_OSERR, "getcwd");
144 		strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1);
145 		strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1);
146 		dir = ndir;
147 		warnx("using \"%s\" instead", dir);
148 	}
149 
150 	args.fspec = dev;
151 	args.export.ex_root = 65534;	/* unchecked anyway on DOS fs */
152 	if (mntflags & MNT_RDONLY)
153 		args.export.ex_flags = MNT_EXRDONLY;
154 	else
155 		args.export.ex_flags = 0;
156 	if (!set_gid || !set_uid || !set_mask) {
157 		if (stat(dir, &sb) == -1)
158 			err(EX_OSERR, "stat %s", dir);
159 
160 		if (!set_uid)
161 			args.uid = sb.st_uid;
162 		if (!set_gid)
163 			args.gid = sb.st_gid;
164 		if (!set_mask)
165 			args.mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
166 	}
167 #ifdef __FreeBSD__
168 #if __FreeBSD_version >= 300000
169 	c = getvfsbyname("ntfs", &vfc);
170 	if (c && vfsisloadable("ntfs")) {
171 		if (vfsload("ntfs"))
172 #else
173 	vfc = getvfsbyname("ntfs");
174 	if (!vfc && vfsisloadable("ntfs")) {
175 		if (vfsload("ntfs"))
176 #endif
177 			err(EX_OSERR, "vfsload(ntfs)");
178 		endvfsent();	/* clear cache */
179 #if __FreeBSD_version >= 300000
180 		c = getvfsbyname("ntfs", &vfc);
181 #else
182 		vfc = getvfsbyname("ntfs");
183 #endif
184 	}
185 #if __FreeBSD_version >= 300000
186 	if (c)
187 #else
188 	if (!vfc)
189 #endif
190 		errx(EX_OSERR, "ntfs filesystem is not available");
191 
192 #if __FreeBSD_version >= 300000
193 	if (mount(vfc.vfc_name, dir, mntflags, &args) < 0)
194 #else
195 	if (mount(vfc->vfc_index, dir, mntflags, &args) < 0)
196 #endif
197 #else
198 	if (mount(MOUNT_NTFS, dir, mntflags, &args) < 0)
199 #endif
200 		err(EX_OSERR, "%s on %s", dev, dir);
201 
202 	if (mntflags & MNT_GETARGS) {
203 		char buf[1024];
204 		(void)snprintb(buf, sizeof(buf), NTFS_MFLAG_BITS, args.flag);
205 		printf("uid=%d, gid=%d, mode=%d, flags=%s\n", args.uid,
206 		    args.gid, args.mode, buf);
207 	}
208 	exit (0);
209 }
210 
211 static void
212 usage()
213 {
214 	fprintf(stderr, "usage: mount_ntfs [-a] [-i] [-u user] [-g group] [-m mask] bdev dir\n");
215 	exit(EX_USAGE);
216 }
217