1/*-
2 * Copyright (c) 2005-2006,2016 John H. Baldwin <jhb@FreeBSD.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
27__FBSDID("$FreeBSD: stable/11/tools/tools/decioctl/decioctl.c 367457 2020-11-07 18:10:59Z dim $");
28
29#include <sys/ioccom.h>
30#include <ctype.h>
31#include <errno.h>
32#include <limits.h>
33#include <stdio.h>
34#include <stdlib.h>
35#include <sysdecode.h>
36
37static void
38usage(char **av)
39{
40	fprintf(stderr, "%s: <ioctl> [ ... ]\n", av[0]);
41	exit(1);
42}
43
44int
45main(int ac, char **av)
46{
47	unsigned long cmd;
48	const char *name;
49	char *cp;
50	int group, i;
51
52	if (ac < 2)
53		usage(av);
54	printf("  command :  dir  group num  len name\n");
55	for (i = 1; i < ac; i++) {
56		errno = 0;
57		cmd = strtoul(av[i], &cp, 0);
58		if (*cp != '\0' || errno != 0) {
59			fprintf(stderr, "Invalid integer: %s\n", av[i]);
60			usage(av);
61		}
62		printf("0x%08lx: ", cmd);
63		switch (cmd & IOC_DIRMASK) {
64		case IOC_VOID:
65			printf("VOID ");
66			break;
67		case IOC_OUT:
68			printf("OUT  ");
69			break;
70		case IOC_IN:
71			printf("IN   ");
72			break;
73		case IOC_INOUT:
74			printf("INOUT");
75			break;
76		default:
77			printf("%01lx ???", (cmd & IOC_DIRMASK) >> 29);
78			break;
79		}
80		printf(" ");
81		group = IOCGROUP(cmd);
82		if (isprint(group))
83			printf(" '%c' ", group);
84		else
85			printf(" 0x%02x", group);
86		printf(" %3lu %4lu", cmd & 0xff, IOCPARM_LEN(cmd));
87		name = sysdecode_ioctlname(cmd);
88		if (name != NULL)
89			printf(" %s", name);
90		printf("\n");
91	}
92	return (0);
93}
94