1/* $NetBSD: inet.c,v 1.35.2.1 1999/04/29 14:57:08 perry Exp $ */ 2/* $KAME: ipsec.c,v 1.25 2001/03/12 09:04:39 itojun Exp $ */ 3/*- 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33/*- 34 * Copyright (c) 1983, 1988, 1993 35 * The Regents of the University of California. All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 3. Neither the name of the University nor the names of its contributors 46 * may be used to endorse or promote products derived from this software 47 * without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 */ 61 62#include <sys/param.h> 63#include <sys/queue.h> 64#include <sys/socket.h> 65#include <sys/socketvar.h> 66 67#include <netinet/in.h> 68 69#ifdef IPSEC 70#include <netipsec/keysock.h> 71#endif 72 73#include <stdint.h> 74#include <stdio.h> 75#include <string.h> 76#include <unistd.h> 77#include <stdbool.h> 78#include <libxo/xo.h> 79#include "netstat.h" 80 81#ifdef IPSEC 82 83static const char *pfkey_msgtypenames[] = { 84 "reserved", "getspi", "update", "add", "delete", 85 "get", "acquire", "register", "expire", "flush", 86 "dump", "x_promisc", "x_pchange", "x_spdupdate", "x_spdadd", 87 "x_spddelete", "x_spdget", "x_spdacquire", "x_spddump", "x_spdflush", 88 "x_spdsetidx", "x_spdexpire", "x_spddelete2" 89}; 90 91static const char *pfkey_msgtype_names (int); 92 93 94static const char * 95pfkey_msgtype_names(int x) 96{ 97 const int max = nitems(pfkey_msgtypenames); 98 static char buf[20]; 99 100 if (x < max && pfkey_msgtypenames[x]) 101 return pfkey_msgtypenames[x]; 102 snprintf(buf, sizeof(buf), "#%d", x); 103 return buf; 104} 105 106void 107pfkey_stats(u_long off, const char *name, int family __unused, 108 int proto __unused) 109{ 110 struct pfkeystat pfkeystat; 111 unsigned first, type; 112 113 if (off == 0) 114 return; 115 xo_emit("{T:/%s}:\n", name); 116 xo_open_container(name); 117 kread_counters(off, (char *)&pfkeystat, sizeof(pfkeystat)); 118 119#define p(f, m) if (pfkeystat.f || sflag <= 1) \ 120 xo_emit(m, (uintmax_t)pfkeystat.f, plural(pfkeystat.f)) 121 122 /* userland -> kernel */ 123 p(out_total, "\t{:sent-requests/%ju} " 124 "{N:/request%s sent from userland}\n"); 125 p(out_bytes, "\t{:sent-bytes/%ju} " 126 "{N:/byte%s sent from userland}\n"); 127 for (first = 1, type = 0; 128 type<sizeof(pfkeystat.out_msgtype)/sizeof(pfkeystat.out_msgtype[0]); 129 type++) { 130 if (pfkeystat.out_msgtype[type] <= 0) 131 continue; 132 if (first) { 133 xo_open_list("output-histogram"); 134 xo_emit("\t{T:histogram by message type}:\n"); 135 first = 0; 136 } 137 xo_open_instance("output-histogram"); 138 xo_emit("\t\t{k::type/%s}: {:count/%ju}\n", 139 pfkey_msgtype_names(type), 140 (uintmax_t)pfkeystat.out_msgtype[type]); 141 xo_close_instance("output-histogram"); 142 } 143 if (!first) 144 xo_close_list("output-histogram"); 145 146 p(out_invlen, "\t{:dropped-bad-length/%ju} " 147 "{N:/message%s with invalid length field}\n"); 148 p(out_invver, "\t{:dropped-bad-version/%ju} " 149 "{N:/message%s with invalid version field}\n"); 150 p(out_invmsgtype, "\t{:dropped-bad-type/%ju} " 151 "{N:/message%s with invalid message type field}\n"); 152 p(out_tooshort, "\t{:dropped-too-short/%ju} " 153 "{N:/message%s too short}\n"); 154 p(out_nomem, "\t{:dropped-no-memory/%ju} " 155 "{N:/message%s with memory allocation failure}\n"); 156 p(out_dupext, "\t{:dropped-duplicate-extension/%ju} " 157 "{N:/message%s with duplicate extension}\n"); 158 p(out_invexttype, "\t{:dropped-bad-extension/%ju} " 159 "{N:/message%s with invalid extension type}\n"); 160 p(out_invsatype, "\t{:dropped-bad-sa-type/%ju} " 161 "{N:/message%s with invalid sa type}\n"); 162 p(out_invaddr, "\t{:dropped-bad-address-extension/%ju} " 163 "{N:/message%s with invalid address extension}\n"); 164 165 /* kernel -> userland */ 166 p(in_total, "\t{:received-requests/%ju} " 167 "{N:/request%s sent to userland}\n"); 168 p(in_bytes, "\t{:received-bytes/%ju} " 169 "{N:/byte%s sent to userland}\n"); 170 for (first = 1, type = 0; 171 type < sizeof(pfkeystat.in_msgtype)/sizeof(pfkeystat.in_msgtype[0]); 172 type++) { 173 if (pfkeystat.in_msgtype[type] <= 0) 174 continue; 175 if (first) { 176 xo_open_list("input-histogram"); 177 xo_emit("\t{T:histogram by message type}:\n"); 178 first = 0; 179 } 180 xo_open_instance("input-histogram"); 181 xo_emit("\t\t{k:type/%s}: {:count/%ju}\n", 182 pfkey_msgtype_names(type), 183 (uintmax_t)pfkeystat.in_msgtype[type]); 184 xo_close_instance("input-histogram"); 185 } 186 if (!first) 187 xo_close_list("input-histogram"); 188 p(in_msgtarget[KEY_SENDUP_ONE], "\t{:received-one-socket/%ju} " 189 "{N:/message%s toward single socket}\n"); 190 p(in_msgtarget[KEY_SENDUP_ALL], "\t{:received-all-sockets/%ju} " 191 "{N:/message%s toward all sockets}\n"); 192 p(in_msgtarget[KEY_SENDUP_REGISTERED], 193 "\t{:received-registered-sockets/%ju} " 194 "{N:/message%s toward registered sockets}\n"); 195 p(in_nomem, "\t{:discarded-no-memory/%ju} " 196 "{N:/message%s with memory allocation failure}\n"); 197#undef p 198 xo_close_container(name); 199} 200#endif /* IPSEC */ 201