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 #if 0 63 #ifndef lint 64 static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95"; 65 #endif /* not lint */ 66 #endif 67 68 #include <sys/cdefs.h> 69 __FBSDID("$FreeBSD$"); 70 71 #include <sys/param.h> 72 #include <sys/queue.h> 73 #include <sys/socket.h> 74 #include <sys/socketvar.h> 75 76 #include <netinet/in.h> 77 78 #ifdef IPSEC 79 #include <netipsec/keysock.h> 80 #endif 81 82 #include <stdint.h> 83 #include <stdio.h> 84 #include <string.h> 85 #include <unistd.h> 86 #include <stdbool.h> 87 #include <libxo/xo.h> 88 #include "netstat.h" 89 90 #ifdef IPSEC 91 92 static const char *pfkey_msgtypenames[] = { 93 "reserved", "getspi", "update", "add", "delete", 94 "get", "acquire", "register", "expire", "flush", 95 "dump", "x_promisc", "x_pchange", "x_spdupdate", "x_spdadd", 96 "x_spddelete", "x_spdget", "x_spdacquire", "x_spddump", "x_spdflush", 97 "x_spdsetidx", "x_spdexpire", "x_spddelete2" 98 }; 99 100 static const char *pfkey_msgtype_names (int); 101 102 103 static const char * 104 pfkey_msgtype_names(int x) 105 { 106 const int max = nitems(pfkey_msgtypenames); 107 static char buf[20]; 108 109 if (x < max && pfkey_msgtypenames[x]) 110 return pfkey_msgtypenames[x]; 111 snprintf(buf, sizeof(buf), "#%d", x); 112 return buf; 113 } 114 115 void 116 pfkey_stats(u_long off, const char *name, int family __unused, 117 int proto __unused) 118 { 119 struct pfkeystat pfkeystat; 120 unsigned first, type; 121 122 if (off == 0) 123 return; 124 xo_emit("{T:/%s}:\n", name); 125 xo_open_container(name); 126 kread_counters(off, (char *)&pfkeystat, sizeof(pfkeystat)); 127 128 #define p(f, m) if (pfkeystat.f || sflag <= 1) \ 129 xo_emit(m, (uintmax_t)pfkeystat.f, plural(pfkeystat.f)) 130 131 /* userland -> kernel */ 132 p(out_total, "\t{:sent-requests/%ju} " 133 "{N:/request%s sent from userland}\n"); 134 p(out_bytes, "\t{:sent-bytes/%ju} " 135 "{N:/byte%s sent from userland}\n"); 136 for (first = 1, type = 0; 137 type<sizeof(pfkeystat.out_msgtype)/sizeof(pfkeystat.out_msgtype[0]); 138 type++) { 139 if (pfkeystat.out_msgtype[type] <= 0) 140 continue; 141 if (first) { 142 xo_open_list("output-histogram"); 143 xo_emit("\t{T:histogram by message type}:\n"); 144 first = 0; 145 } 146 xo_open_instance("output-histogram"); 147 xo_emit("\t\t{k::type/%s}: {:count/%ju}\n", 148 pfkey_msgtype_names(type), 149 (uintmax_t)pfkeystat.out_msgtype[type]); 150 xo_close_instance("output-histogram"); 151 } 152 if (!first) 153 xo_close_list("output-histogram"); 154 155 p(out_invlen, "\t{:dropped-bad-length/%ju} " 156 "{N:/message%s with invalid length field}\n"); 157 p(out_invver, "\t{:dropped-bad-version/%ju} " 158 "{N:/message%s with invalid version field}\n"); 159 p(out_invmsgtype, "\t{:dropped-bad-type/%ju} " 160 "{N:/message%s with invalid message type field}\n"); 161 p(out_tooshort, "\t{:dropped-too-short/%ju} " 162 "{N:/message%s too short}\n"); 163 p(out_nomem, "\t{:dropped-no-memory/%ju} " 164 "{N:/message%s with memory allocation failure}\n"); 165 p(out_dupext, "\t{:dropped-duplicate-extension/%ju} " 166 "{N:/message%s with duplicate extension}\n"); 167 p(out_invexttype, "\t{:dropped-bad-extension/%ju} " 168 "{N:/message%s with invalid extension type}\n"); 169 p(out_invsatype, "\t{:dropped-bad-sa-type/%ju} " 170 "{N:/message%s with invalid sa type}\n"); 171 p(out_invaddr, "\t{:dropped-bad-address-extension/%ju} " 172 "{N:/message%s with invalid address extension}\n"); 173 174 /* kernel -> userland */ 175 p(in_total, "\t{:received-requests/%ju} " 176 "{N:/request%s sent to userland}\n"); 177 p(in_bytes, "\t{:received-bytes/%ju} " 178 "{N:/byte%s sent to userland}\n"); 179 for (first = 1, type = 0; 180 type < sizeof(pfkeystat.in_msgtype)/sizeof(pfkeystat.in_msgtype[0]); 181 type++) { 182 if (pfkeystat.in_msgtype[type] <= 0) 183 continue; 184 if (first) { 185 xo_open_list("input-histogram"); 186 xo_emit("\t{T:histogram by message type}:\n"); 187 first = 0; 188 } 189 xo_open_instance("input-histogram"); 190 xo_emit("\t\t{k:type/%s}: {:count/%ju}\n", 191 pfkey_msgtype_names(type), 192 (uintmax_t)pfkeystat.in_msgtype[type]); 193 xo_close_instance("input-histogram"); 194 } 195 if (!first) 196 xo_close_list("input-histogram"); 197 p(in_msgtarget[KEY_SENDUP_ONE], "\t{:received-one-socket/%ju} " 198 "{N:/message%s toward single socket}\n"); 199 p(in_msgtarget[KEY_SENDUP_ALL], "\t{:received-all-sockets/%ju} " 200 "{N:/message%s toward all sockets}\n"); 201 p(in_msgtarget[KEY_SENDUP_REGISTERED], 202 "\t{:received-registered-sockets/%ju} " 203 "{N:/message%s toward registered sockets}\n"); 204 p(in_nomem, "\t{:discarded-no-memory/%ju} " 205 "{N:/message%s with memory allocation failure}\n"); 206 #undef p 207 xo_close_container(name); 208 } 209 #endif /* IPSEC */ 210