1/*	$NetBSD$ */
2
3/*-
4 * Copyright (c) 2004, 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33#ifndef lint
34__RCSID("$NetBSD$");
35#endif /* not lint */
36
37#include <stdio.h>
38#include <stdlib.h>
39#include <string.h>
40#include <unistd.h>
41#include <fcntl.h>
42#include <err.h>
43#include <sys/ioctl.h>
44#include <sys/disklabel.h>
45
46#include <fs/v7fs/v7fs.h>
47#include "v7fs_impl.h"
48#include "fsck_v7fs.h"
49#include "progress.h"
50
51static void usage(void) __dead;
52static void catopt(char **, const char *);
53
54enum fsck_operate fsck_operate;
55bool verbose = true;
56#define	VPRINTF(fmt, args...)	{ if (verbose) printf(fmt, ##args); }
57
58int
59main(int argc, char **argv)
60{
61	const char *device;
62	struct disklabel d;
63	struct partition *p;
64	struct stat st;
65	int Fflag = 0;
66	int part;
67	int fd, ch;
68	int endian = _BYTE_ORDER;
69	int openflags = O_RDWR;
70	size_t part_sectors;
71	int fsck_flags = 0;
72	char *options = 0;
73	bool progress_bar_enable = false;
74
75	fsck_operate = ASK;
76
77	if (argc < 2)
78		usage();
79
80	while ((ch = getopt(argc, argv, "pPqynfx:dFB:o:")) != -1) {
81		switch (ch) {
82			/*
83			 * generic fsck options
84			 */
85		case 'd':	/* Not supported */
86			break;
87		case 'f':	/* Always forced */
88			break;
89		case 'p':
90			fsck_operate = PREEN;
91			break;
92		case 'y':
93			fsck_operate = ALWAYS_YES;
94			break;
95		case 'n':
96			fsck_operate = ALWAYS_NO;
97			openflags = O_RDONLY;
98			break;
99		case 'P':
100			progress_bar_enable = true;
101			break;
102		case 'q':	/* Not supported */
103			break;
104		case 'x':	/* Not supported */
105			break;
106			/*
107			 * v7fs fsck options
108			 */
109		case 'F':
110			Fflag = 1;
111			break;
112		case 'B':
113			switch (optarg[0]) {
114			case 'l':
115				endian = _LITTLE_ENDIAN;
116				break;
117			case 'b':
118				endian = _BIG_ENDIAN;
119				break;
120			case 'p':
121				endian = _PDP_ENDIAN;
122				break;
123			}
124			break;
125		case 'o': /* datablock, freeblock duplication check */
126			if (*optarg)
127				catopt(&options, optarg);
128			break;
129		default:
130			usage();
131			/*NOTREACHED*/
132		}
133	}
134
135	argc -= optind;
136	argv += optind;
137
138	if (argc != 1)
139		usage();
140	device = argv[0];
141
142	if (options) {
143		if (strstr(options, "data"))
144			fsck_flags |= V7FS_FSCK_DATABLOCK_DUP;
145		if (strstr(options, "free"))
146			fsck_flags |= V7FS_FSCK_FREEBLOCK_DUP;
147	}
148
149	if (Fflag) {
150		if ((fd = open(device, openflags)) == -1) {
151			pfatal("%s", device);
152		}
153		if (fstat(fd, &st)) {
154			pfatal("stat");
155		}
156		part_sectors = st.st_size >> V7FS_BSHIFT;
157		setcdevname(device, fsck_operate == PREEN);
158	} else {
159		/* blockcheck sets 'hot' */
160		device = blockcheck(device);
161		setcdevname(device, fsck_operate == PREEN);
162
163		if ((fd = open(device, openflags)) == -1) {
164			pfatal("%s", device);
165		}
166		part = DISKPART(st.st_rdev);
167
168		if (ioctl(fd, DIOCGDINFO, &d) == -1) {
169			pfatal("DIOCGDINFO");
170		}
171		p = &d.d_partitions[part];
172		part_sectors = p->p_size;
173		VPRINTF("partition=%d size=%d offset=%d fstype=%d secsize=%d\n",
174		    part, p->p_size, p->p_offset, p->p_fstype, d.d_secsize);
175		if (p->p_fstype != FS_V7) {
176			pfatal("not a Version 7 partition.");
177		}
178	}
179
180	progress_switch(progress_bar_enable);
181	progress_init();
182	progress(&(struct progress_arg){ .cdev = device });
183
184	struct v7fs_mount_device mount;
185	mount.device.fd = fd;
186	mount.endian = endian;
187	mount.sectors = part_sectors;
188	int error = v7fs_fsck(&mount, fsck_flags);
189
190	close(fd);
191
192	return error;
193}
194
195static void
196catopt(char **sp, const char *o)
197{
198	char *s, *n;
199
200	s = *sp;
201	if (s) {
202		if (asprintf(&n, "%s,%s", s, o) < 0)
203			err(1, "asprintf");
204		free(s);
205		s = n;
206	} else
207		s = strdup(o);
208	*sp = s;
209}
210
211static void
212usage(void)
213{
214
215	(void)fprintf(stderr, "usage: %s [-ynpP] [-o options] [-B endian] "
216	    "special-device\n",
217	    getprogname());
218	(void)fprintf(stderr, "usage: %s -F [-ynpP] [-o options] [-B endian] "
219	    "file\n",
220	    getprogname());
221
222	exit(FSCK_EXIT_USAGE);
223}
224