/* $NetBSD: inet.c,v 1.35.2.1 1999/04/29 14:57:08 perry Exp $ */ /* $KAME: ipsec.c,v 1.25 2001/03/12 09:04:39 itojun Exp $ */ /* * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Copyright (c) 1983, 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #ifndef lint /* static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95"; */ static const char rcsid[] = "$FreeBSD$"; #endif /* not lint */ #include #include #include #include #ifdef IPSEC #include #include #endif #include #include #include #include "netstat.h" /* * portability issues: * - bsdi[34] uses PLURAL(), not plural(). * - freebsd2 can't print "unsigned long long" properly. */ /* * XXX see PORTABILITY for the twist */ #define LLU "%llu" #define CAST unsigned long long #ifdef IPSEC struct val2str { int val; const char *str; }; static struct val2str ipsec_ahnames[] = { { SADB_AALG_NONE, "none", }, { SADB_AALG_MD5HMAC, "hmac-md5", }, { SADB_AALG_SHA1HMAC, "hmac-sha1", }, { SADB_X_AALG_MD5, "md5", }, { SADB_X_AALG_SHA, "sha", }, { SADB_X_AALG_NULL, "null", }, #ifdef SADB_X_AALG_SHA2_256 { SADB_X_AALG_SHA2_256, "hmac-sha2-256", }, #endif #ifdef SADB_X_AALG_SHA2_384 { SADB_X_AALG_SHA2_384, "hmac-sha2-384", }, #endif #ifdef SADB_X_AALG_SHA2_512 { SADB_X_AALG_SHA2_512, "hmac-sha2-512", }, #endif { -1, NULL }, }; static struct val2str ipsec_espnames[] = { { SADB_EALG_NONE, "none", }, { SADB_EALG_DESCBC, "des-cbc", }, { SADB_EALG_3DESCBC, "3des-cbc", }, { SADB_EALG_NULL, "null", }, #ifdef SADB_X_EALG_RC5CBC { SADB_X_EALG_RC5CBC, "rc5-cbc", }, #endif { SADB_X_EALG_CAST128CBC, "cast128-cbc", }, { SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", }, #ifdef SADB_X_EALG_RIJNDAELCBC { SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", }, #endif { -1, NULL }, }; static struct val2str ipsec_compnames[] = { { SADB_X_CALG_NONE, "none", }, { SADB_X_CALG_OUI, "oui", }, { SADB_X_CALG_DEFLATE, "deflate", }, { SADB_X_CALG_LZS, "lzs", }, { -1, NULL }, }; static const char *pfkey_msgtypenames[] = { "reserved", "getspi", "update", "add", "delete", "get", "acquire", "register", "expire", "flush", "dump", "x_promisc", "x_pchange", "x_spdupdate", "x_spdadd", "x_spddelete", "x_spdget", "x_spdacquire", "x_spddump", "x_spdflush", "x_spdsetidx", "x_spdexpire", "x_spddelete2" }; static struct ipsecstat ipsecstat; static void print_ipsecstats (void); static const char *pfkey_msgtype_names (int); static void ipsec_hist (const u_quad_t *, size_t, const struct val2str *, const char *); /* * Dump IPSEC statistics structure. */ static void ipsec_hist(const u_quad_t *hist, size_t histmax, const struct val2str *name, const char *title) { int first; size_t proto; const struct val2str *p; first = 1; for (proto = 0; proto < histmax; proto++) { if (hist[proto] <= 0) continue; if (first) { printf("\t%s histogram:\n", title); first = 0; } for (p = name; p && p->str; p++) { if (p->val == (int)proto) break; } if (p && p->str) { printf("\t\t%s: " LLU "\n", p->str, (CAST)hist[proto]); } else { printf("\t\t#%ld: " LLU "\n", (long)proto, (CAST)hist[proto]); } } } static void print_ipsecstats(void) { #define p(f, m) if (ipsecstat.f || sflag <= 1) \ printf(m, (CAST)ipsecstat.f, plural(ipsecstat.f)) #define hist(f, n, t) \ ipsec_hist((f), sizeof(f)/sizeof(f[0]), (n), (t)); p(in_success, "\t" LLU " inbound packet%s processed successfully\n"); p(in_polvio, "\t" LLU " inbound packet%s violated process security " "policy\n"); p(in_nosa, "\t" LLU " inbound packet%s with no SA available\n"); p(in_inval, "\t" LLU " invalid inbound packet%s\n"); p(in_nomem, "\t" LLU " inbound packet%s failed due to insufficient memory\n"); p(in_badspi, "\t" LLU " inbound packet%s failed getting SPI\n"); p(in_ahreplay, "\t" LLU " inbound packet%s failed on AH replay check\n"); p(in_espreplay, "\t" LLU " inbound packet%s failed on ESP replay check\n"); p(in_ahauthsucc, "\t" LLU " inbound packet%s considered authentic\n"); p(in_ahauthfail, "\t" LLU " inbound packet%s failed on authentication\n"); hist(ipsecstat.in_ahhist, ipsec_ahnames, "AH input"); hist(ipsecstat.in_esphist, ipsec_espnames, "ESP input"); hist(ipsecstat.in_comphist, ipsec_compnames, "IPComp input"); p(out_success, "\t" LLU " outbound packet%s processed successfully\n"); p(out_polvio, "\t" LLU " outbound packet%s violated process security " "policy\n"); p(out_nosa, "\t" LLU " outbound packet%s with no SA available\n"); p(out_inval, "\t" LLU " invalid outbound packet%s\n"); p(out_nomem, "\t" LLU " outbound packet%s failed due to insufficient memory\n"); p(out_noroute, "\t" LLU " outbound packet%s with no route\n"); hist(ipsecstat.out_ahhist, ipsec_ahnames, "AH output"); hist(ipsecstat.out_esphist, ipsec_espnames, "ESP output"); hist(ipsecstat.out_comphist, ipsec_compnames, "IPComp output"); #undef p #undef hist } void ipsec_stats(u_long off __unused, char *name, int af __unused) { if (off == 0) return; printf ("%s:\n", name); kread(off, (char *)&ipsecstat, sizeof (ipsecstat)); print_ipsecstats(); } static const char * pfkey_msgtype_names(int x) { const int max = sizeof(pfkey_msgtypenames)/sizeof(pfkey_msgtypenames[0]); static char buf[10]; if (x < max && pfkey_msgtypenames[x]) return pfkey_msgtypenames[x]; snprintf(buf, sizeof(buf), "#%d", x); return buf; } void pfkey_stats(u_long off __unused, char *name, int af __unused) { struct pfkeystat pfkeystat; unsigned first, type; if (off == 0) return; printf ("%s:\n", name); kread(off, (char *)&pfkeystat, sizeof(pfkeystat)); #define p(f, m) if (pfkeystat.f || sflag <= 1) \ printf(m, (CAST)pfkeystat.f, plural(pfkeystat.f)) /* kernel -> userland */ p(out_total, "\t" LLU " request%s sent to userland\n"); p(out_bytes, "\t" LLU " byte%s sent to userland\n"); for (first = 1, type = 0; type < sizeof(pfkeystat.out_msgtype)/sizeof(pfkeystat.out_msgtype[0]); type++) { if (pfkeystat.out_msgtype[type] <= 0) continue; if (first) { printf("\thistogram by message type:\n"); first = 0; } printf("\t\t%s: " LLU "\n", pfkey_msgtype_names(type), (CAST)pfkeystat.out_msgtype[type]); } p(out_invlen, "\t" LLU " message%s with invalid length field\n"); p(out_invver, "\t" LLU " message%s with invalid version field\n"); p(out_invmsgtype, "\t" LLU " message%s with invalid message type field\n"); p(out_tooshort, "\t" LLU " message%s too short\n"); p(out_nomem, "\t" LLU " message%s with memory allocation failure\n"); p(out_dupext, "\t" LLU " message%s with duplicate extension\n"); p(out_invexttype, "\t" LLU " message%s with invalid extension type\n"); p(out_invsatype, "\t" LLU " message%s with invalid sa type\n"); p(out_invaddr, "\t" LLU " message%s with invalid address extension\n"); /* userland -> kernel */ p(in_total, "\t" LLU " request%s sent from userland\n"); p(in_bytes, "\t" LLU " byte%s sent from userland\n"); for (first = 1, type = 0; type < sizeof(pfkeystat.in_msgtype)/sizeof(pfkeystat.in_msgtype[0]); type++) { if (pfkeystat.in_msgtype[type] <= 0) continue; if (first) { printf("\thistogram by message type:\n"); first = 0; } printf("\t\t%s: " LLU "\n", pfkey_msgtype_names(type), (CAST)pfkeystat.in_msgtype[type]); } p(in_msgtarget[KEY_SENDUP_ONE], "\t" LLU " message%s toward single socket\n"); p(in_msgtarget[KEY_SENDUP_ALL], "\t" LLU " message%s toward all sockets\n"); p(in_msgtarget[KEY_SENDUP_REGISTERED], "\t" LLU " message%s toward registered sockets\n"); p(in_nomem, "\t" LLU " message%s with memory allocation failure\n"); #undef p } #endif /*IPSEC*/