1/* $NetBSD: mount_ntfs.c,v 1.21 2008/08/05 20:57:45 pooka 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 1.21 2008/08/05 20:57:45 pooka Exp $");
39#endif
40
41#include <sys/param.h>
42#include <sys/mount.h>
43#include <sys/stat.h>
44#include <ntfs/ntfsmount.h>
45#include <err.h>
46#include <grp.h>
47#include <pwd.h>
48#include <stdio.h>
49#include <stdlib.h>
50#include <string.h>
51#include <sysexits.h>
52#include <unistd.h>
53#include <util.h>
54
55#include <mntopts.h>
56
57#include "mountprog.h"
58#include "mount_ntfs.h"
59
60static const struct mntopt mopts[] = {
61	MOPT_STDOPTS,
62	MOPT_GETARGS,
63	MOPT_NULL,
64};
65
66static void	usage(void) __dead;
67
68#ifndef MOUNT_NOMAIN
69int
70main(int argc, char **argv)
71{
72
73	setprogname(argv[0]);
74	return mount_ntfs(argc, argv);
75}
76#endif
77
78void
79mount_ntfs_parseargs(int argc, char **argv,
80	struct ntfs_args *args, int *mntflags,
81	char *canon_dev, char *canon_dir)
82{
83	struct stat sb;
84	int c, set_gid, set_uid, set_mask;
85	char *dev, *dir;
86	mntoptparse_t mp;
87
88	*mntflags = set_gid = set_uid = set_mask = 0;
89	(void)memset(args, '\0', sizeof(*args));
90
91	while ((c = getopt(argc, argv, "aiu:g:m:o:")) !=  -1) {
92		switch (c) {
93		case 'u':
94			args->uid = a_uid(optarg);
95			set_uid = 1;
96			break;
97		case 'g':
98			args->gid = a_gid(optarg);
99			set_gid = 1;
100			break;
101		case 'm':
102			args->mode = a_mask(optarg);
103			set_mask = 1;
104			break;
105		case 'i':
106			args->flag |= NTFS_MFLAG_CASEINS;
107			break;
108		case 'a':
109			args->flag |= NTFS_MFLAG_ALLNAMES;
110			break;
111		case 'o':
112			mp = getmntopts(optarg, mopts, mntflags, 0);
113			if (mp == NULL)
114				err(1, "getmntopts");
115			freemntopts(mp);
116			break;
117		case '?':
118		default:
119			usage();
120			break;
121		}
122	}
123
124	if (optind + 2 != argc)
125		usage();
126
127	dev = argv[optind];
128	dir = argv[optind + 1];
129
130	pathadj(dev, canon_dev);
131	pathadj(dir, canon_dir);
132
133	args->fspec = canon_dev;
134	if (!set_gid || !set_uid || !set_mask) {
135		if (stat(dir, &sb) == -1)
136			err(EX_OSERR, "stat %s", dir);
137
138		if (!set_uid)
139			args->uid = sb.st_uid;
140		if (!set_gid)
141			args->gid = sb.st_gid;
142		if (!set_mask)
143			args->mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
144	}
145}
146
147int
148mount_ntfs(int argc, char *argv[])
149{
150	struct ntfs_args args;
151	int mntflags;
152	char canon_dev[MAXPATHLEN], canon_dir[MAXPATHLEN];
153
154	mount_ntfs_parseargs(argc, argv, &args, &mntflags,
155	    canon_dev, canon_dir);
156
157	if (mount(MOUNT_NTFS, canon_dir, mntflags, &args, sizeof args) == -1)
158		err(EX_OSERR, "%s on %s", canon_dev, canon_dir);
159
160	if (mntflags & MNT_GETARGS) {
161		char buf[1024];
162		(void)snprintb(buf, sizeof(buf), NTFS_MFLAG_BITS, args.flag);
163		printf("uid=%d, gid=%d, mode=0%o, flags=%s\n", args.uid,
164		    args.gid, args.mode, buf);
165	}
166	exit (0);
167}
168
169static void
170usage(void)
171{
172	fprintf(stderr, "usage: %s [-a] [-i] [-u user] [-g group] [-m mask] "
173	    "bdev dir\n", getprogname());
174	exit(EX_USAGE);
175}
176