1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2010 Bjoern A. Zeeb <bz@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD$");
31
32#include "opt_ddb.h"
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/socket.h>
37
38#ifdef DDB
39#include <ddb/ddb.h>
40#endif
41
42#include <net/if.h>
43#include <net/if_var.h>
44
45#include <netinet/in.h>
46#include <netinet/in_var.h>
47
48#ifdef DDB
49static void
50in_show_sockaddr_in(struct sockaddr_in *sin)
51{
52
53#define	SIN_DB_RPINTF(f, e)	db_printf("\t   %s = " f "\n", #e, sin->e);
54	db_printf("\tsockaddr_in = %p\n", sin);
55	SIN_DB_RPINTF("%u", sin_len);
56	SIN_DB_RPINTF("%u", sin_family);
57	SIN_DB_RPINTF("%u", sin_port);
58	SIN_DB_RPINTF("0x%08x", sin_addr.s_addr);
59	db_printf("\t   %s = %02x%02x%02x%02x%02x%02x%02x%02x\n",
60	    "sin_zero[8]",
61	    sin->sin_zero[0], sin->sin_zero[1],
62	    sin->sin_zero[2], sin->sin_zero[3],
63	    sin->sin_zero[4], sin->sin_zero[5],
64	    sin->sin_zero[6], sin->sin_zero[7]);
65#undef SIN_DB_RPINTF
66}
67
68DB_SHOW_COMMAND(sin, db_show_sin)
69{
70	struct sockaddr_in *sin;
71
72	sin = (struct sockaddr_in *)addr;
73	if (sin == NULL) {
74		/* usage: No need to confess if you didn't sin. */
75		db_printf("usage: show sin <struct sockaddr_in *>\n");
76		return;
77	}
78
79	in_show_sockaddr_in(sin);
80}
81
82static void
83in_show_in_ifaddr(struct in_ifaddr *ia)
84{
85
86#define	IA_DB_RPINTF(f, e)	db_printf("\t   %s = " f "\n", #e, ia->e);
87#define	IA_DB_RPINTF_PTR(f, e)	db_printf("\t   %s = " f "\n", #e, &ia->e);
88#define	IA_DB_RPINTF_DPTR(f, e)	db_printf("\t  *%s = " f "\n", #e, *ia->e);
89	db_printf("\tin_ifaddr = %p\n", ia);
90	IA_DB_RPINTF_PTR("%p", ia_ifa);
91	IA_DB_RPINTF("0x%08lx", ia_subnet);
92	IA_DB_RPINTF("0x%08lx", ia_subnetmask);
93	IA_DB_RPINTF("%p", ia_hash.le_next);
94	IA_DB_RPINTF("%p", ia_hash.le_prev);
95	IA_DB_RPINTF_DPTR("%p", ia_hash.le_prev);
96	IA_DB_RPINTF("%p", ia_link.cstqe_next);
97	IA_DB_RPINTF_PTR("%p", ia_addr);
98	IA_DB_RPINTF_PTR("%p", ia_dstaddr);
99	IA_DB_RPINTF_PTR("%p", ia_sockmask);
100#undef IA_DB_RPINTF_DPTR
101#undef IA_DB_RPINTF_PTR
102#undef IA_DB_RPINTF
103}
104
105DB_SHOW_COMMAND(in_ifaddr, db_show_in_ifaddr)
106{
107	struct in_ifaddr *ia;
108
109	ia = (struct in_ifaddr *)addr;
110	if (ia == NULL) {
111		db_printf("usage: show in_ifaddr <struct in_ifaddr *>\n");
112		return;
113	}
114
115	in_show_in_ifaddr(ia);
116}
117#endif
118