1 /*-
2 * Copyright (c) 2010 Bjoern A. Zeeb <bz@FreeBSD.org>
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 THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include "opt_ddb.h"
31
32 #include <sys/param.h>
33 #include <sys/kernel.h>
34 #include <sys/systm.h>
35 #include <sys/socket.h>
36
37 #ifdef DDB
38 #include <ddb/ddb.h>
39 #endif
40
41 #include <net/if.h>
42 #include <net/if_var.h>
43
44 #include <netinet/in.h>
45 #include <netinet/in_var.h>
46
47 #ifdef DDB
48 static void
49 in_show_sockaddr_in(struct sockaddr_in *sin)
50 {
51
52 #define SIN_DB_RPINTF(f, e) db_printf("\t %s = " f "\n", #e, sin->e);
53 db_printf("\tsockaddr_in = %p\n", sin);
54 SIN_DB_RPINTF("%u", sin_len);
55 SIN_DB_RPINTF("%u", sin_family);
56 SIN_DB_RPINTF("%u", sin_port);
57 SIN_DB_RPINTF("0x%08x", sin_addr.s_addr);
58 db_printf("\t %s = %02x%02x%02x%02x%02x%02x%02x%02x\n",
59 "sin_zero[8]",
60 sin->sin_zero[0], sin->sin_zero[1],
61 sin->sin_zero[2], sin->sin_zero[3],
62 sin->sin_zero[4], sin->sin_zero[5],
63 sin->sin_zero[6], sin->sin_zero[7]);
64 #undef SIN_DB_RPINTF
65 }
66
67 DB_SHOW_COMMAND(sin, db_show_sin)
68 {
69 struct sockaddr_in *sin;
70
71 sin = (struct sockaddr_in *)addr;
72 if (sin == NULL) {
73 /* usage: No need to confess if you didn't sin. */
74 db_printf("usage: show sin <struct sockaddr_in *>\n");
75 return;
76 }
77
78 in_show_sockaddr_in(sin);
79 }
80
81 static void
82 in_show_in_ifaddr(struct in_ifaddr *ia)
83 {
84
85 #define IA_DB_RPINTF(f, e) db_printf("\t %s = " f "\n", #e, ia->e);
86 #define IA_DB_RPINTF_PTR(f, e) db_printf("\t %s = " f "\n", #e, &ia->e);
87 #define IA_DB_RPINTF_DPTR(f, e) db_printf("\t *%s = " f "\n", #e, *ia->e);
88 db_printf("\tin_ifaddr = %p\n", ia);
89 IA_DB_RPINTF_PTR("%p", ia_ifa);
90 IA_DB_RPINTF("0x%08lx", ia_net);
91 IA_DB_RPINTF("0x%08lx", ia_netmask);
92 IA_DB_RPINTF("0x%08lx", ia_subnet);
93 IA_DB_RPINTF("0x%08lx", ia_subnetmask);
94 IA_DB_RPINTF("0x%08x", ia_netbroadcast.s_addr);
95 IA_DB_RPINTF("%p", ia_hash.le_next);
96 IA_DB_RPINTF("%p", ia_hash.le_prev);
97 IA_DB_RPINTF_DPTR("%p", ia_hash.le_prev);
98 IA_DB_RPINTF("%p", ia_link.tqe_next);
99 IA_DB_RPINTF("%p", ia_link.tqe_prev);
100 IA_DB_RPINTF_DPTR("%p", ia_link.tqe_prev);
101 IA_DB_RPINTF_PTR("%p", ia_addr);
102 IA_DB_RPINTF_PTR("%p", ia_dstaddr);
103 IA_DB_RPINTF_PTR("%p", ia_sockmask);
104 #undef IA_DB_RPINTF_DPTR
105 #undef IA_DB_RPINTF_PTR
106 #undef IA_DB_RPINTF
107 }
108
109 DB_SHOW_COMMAND(in_ifaddr, db_show_in_ifaddr)
110 {
111 struct in_ifaddr *ia;
112
113 ia = (struct in_ifaddr *)addr;
114 if (ia == NULL) {
115 db_printf("usage: show in_ifaddr <struct in_ifaddr *>\n");
116 return;
117 }
118
119 in_show_in_ifaddr(ia);
120 }
121 #endif
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