xref: /freebsd/tools/diag/prtblknos/main.c (revision 3cbb4cc200f8a0ad7ed08233425ea54524a21f1c)
1 /*
2  * Copyright (c) 1998, 2003, 2013, 2018 Marshall Kirk McKusick.
3  * All Rights Reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY MARSHALL KIRK MCKUSICK ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL MARSHALL KIRK MCKUSICK BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #include <ufs/ffs/fs.h>
30 
31 #include <err.h>
32 #include <stdlib.h>
33 #include <stdio.h>
34 #include <sys/stat.h>
35 #include <libufs.h>
36 
37 union dinode {
38 	struct ufs1_dinode *dp1;
39 	struct ufs2_dinode *dp2;
40 };
41 
42 void prtblknos(struct fs *fs, union dinode *dp);
43 
44 struct uufsd disk;
45 
46 int
47 main(argc, argv)
48 	int argc;
49 	char *argv[];
50 {
51 	union dinodep dp;
52 	struct fs *fs;
53 	struct stat sb;
54 	struct statfs sfb;
55 	char *xargv[4];
56 	char ibuf[64];
57 	char *fsname, *filename;
58 	ino_t inonum;
59 	int error;
60 
61 	filename = NULL;
62 	if (argc == 2) {
63 		filename = argv[1];
64 		if (lstat(filename, &sb) != 0)
65 			err(1, "stat(%s)", filename);
66 		if (statfs(filename, &sfb) != 0)
67 			err(1, "statfs(%s)", filename);
68 		xargv[0] = argv[0];
69 		xargv[1] = sfb.f_mntfromname;
70 		sprintf(ibuf, "%jd", (intmax_t)sb.st_ino);
71 		xargv[2] = ibuf;
72 		xargv[3] = NULL;
73 		argv = xargv;
74 		argc = 3;
75 	}
76 	if (argc < 3) {
77 		(void)fprintf(stderr, "%s\n%s\n",
78 		    "usage: prtblknos filename",
79 		    "       prtblknos filesystem inode ...");
80 		exit(1);
81 	}
82 
83 	fsname = *++argv;
84 
85 	/* get the superblock. */
86 	if ((error = ufs_disk_fillout(&disk, fsname)) < 0)
87 		err(1, "Cannot access file system superblock on %s", fsname);
88 	fs = (struct fs *)&disk.d_sb;
89 
90 	/* remaining arguments are inode numbers. */
91 	while (*++argv) {
92 		/* get the inode number. */
93 		if ((inonum = atoi(*argv)) <= 0 ||
94 		     inonum >= (ino_t)fs->fs_ipg * fs->fs_ncg)
95 			warnx("%s is not a valid inode number", *argv);
96 		if (filename == NULL)
97 			(void)printf("inode #%jd: ", (intmax_t)inonum);
98 		else
99 			(void)printf("%s (inode #%jd): ", filename,
100 			    (intmax_t)inonum);
101 
102 		if ((error = getinode(&disk, &dp, inonum)) < 0)
103 			warn("Read of inode %jd on %s failed: %s",
104 			    (intmax_t)inonum, fsname, disk.d_error);
105 
106 		prtblknos(fs, (union dinode *)dp.dp1);
107 	}
108 	exit(0);
109 }
110