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 49 static void 50 in_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 68 DB_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 82 static void 83 in_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.tqe_next); 97 IA_DB_RPINTF("%p", ia_link.tqe_prev); 98 IA_DB_RPINTF_DPTR("%p", ia_link.tqe_prev); 99 IA_DB_RPINTF_PTR("%p", ia_addr); 100 IA_DB_RPINTF_PTR("%p", ia_dstaddr); 101 IA_DB_RPINTF_PTR("%p", ia_sockmask); 102 #undef IA_DB_RPINTF_DPTR 103 #undef IA_DB_RPINTF_PTR 104 #undef IA_DB_RPINTF 105 } 106 107 DB_SHOW_COMMAND(in_ifaddr, db_show_in_ifaddr) 108 { 109 struct in_ifaddr *ia; 110 111 ia = (struct in_ifaddr *)addr; 112 if (ia == NULL) { 113 db_printf("usage: show in_ifaddr <struct in_ifaddr *>\n"); 114 return; 115 } 116 117 in_show_in_ifaddr(ia); 118 } 119 #endif 120