diff options
Diffstat (limited to 'network_cmds/netstat.tproj/ipsec.c')
| -rw-r--r-- | network_cmds/netstat.tproj/ipsec.c | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/network_cmds/netstat.tproj/ipsec.c b/network_cmds/netstat.tproj/ipsec.c new file mode 100644 index 0000000..0eab162 --- /dev/null +++ b/network_cmds/netstat.tproj/ipsec.c @@ -0,0 +1,376 @@ +/* + * Copyright (c) 2008-2012 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/* $FreeBSD: src/usr.bin/netstat/ipsec.c,v 1.1.2.3 2001/08/10 09:07:09 ru Exp $ */ +/* $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 <sys/param.h> +#include <sys/queue.h> +#include <sys/socket.h> +#include <sys/sysctl.h> + +#include <netinet/in.h> + +#ifdef IPSEC +#include <netinet6/ipsec.h> +#include <netkey/keysock.h> +#endif + +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include "netstat.h" + +#if defined(__APPLE__) && !defined(__unused) +#define __unused +#endif +/* + * 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 pipsecstat; +static struct ipsecstat ipsecstat; + +static void print_ipsecstats (void); +static const char *pfkey_msgtype_names (int); +static void ipsec_hist (const u_quad_t *, const u_quad_t *, size_t, + const struct val2str *, const char *); + +/* + * Dump IPSEC statistics structure. + */ +static void +ipsec_hist(const u_quad_t *hist, + const u_quad_t *phist, + 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] - phist[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] - (CAST)phist[proto]); + } else { + printf("\t\t#%ld: " LLU "\n", (long)proto, + (CAST)hist[proto] - (CAST)phist[proto]); + } + } +} + +static void +print_ipsecstats(void) +{ +#define IPSECDIFF(f) (ipsecstat.f - pipsecstat.f) +#define p(f, m) if (IPSECDIFF(f) || sflag <= 1) \ + printf(m, (CAST)IPSECDIFF(f), plural(IPSECDIFF(f))) +#define hist(f, n, t) \ + ipsec_hist(ipsecstat.f, pipsecstat.f, \ + sizeof(ipsecstat.f)/sizeof(ipsecstat.f[0]), (n), (t)); + + if (interval && vflag > 0) + print_time(); + + 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(in_ahhist, ipsec_ahnames, "AH input"); + hist(in_esphist, ipsec_espnames, "ESP input"); + hist(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(out_ahhist, ipsec_ahnames, "AH output"); + hist(out_esphist, ipsec_espnames, "ESP output"); + hist(out_comphist, ipsec_compnames, "IPComp output"); +#undef IPSECDIFF +#undef p +#undef hist +} + +void +ipsec_stats(uint32_t off __unused, char *name, int af __unused) +{ + size_t len; + + len = sizeof(struct ipsecstat); + if (strcmp(name, "ipsec") == 0) { + if (sysctlbyname("net.inet.ipsec.stats", &ipsecstat, &len, 0, 0) == -1) + return; + } else if (strcmp(name, "ipsec6") == 0) { + if (sysctlbyname("net.inet6.ipsec6.stats", &ipsecstat, &len, 0, 0) == -1) + return; + } else + return; + printf ("%s:\n", name); + + print_ipsecstats(); + + if (interval > 0) + bcopy(&ipsecstat, &pipsecstat, len); +} + +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(uint32_t off __unused, char *name, int af __unused) +{ + static struct pfkeystat ppfkeystat; + struct pfkeystat pfkeystat; + unsigned first, type; + size_t len; + + len = sizeof(struct pfkeystat); + if (sysctlbyname("net.key.pfkeystat", &pfkeystat, &len, 0, 0) == -1) + return; + if (interval && vflag > 0) + print_time(); + printf ("%s:\n", name); + +#define PFKEYDIFF(f) (pfkeystat.f - ppfkeystat.f) +#define p(f, m) if (PFKEYDIFF(f) || sflag <= 1) \ + printf(m, (CAST)PFKEYDIFF(f), plural(PFKEYDIFF(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 (PFKEYDIFF(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)PFKEYDIFF(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 (PFKEYDIFF(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)PFKEYDIFF(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"); + + if (interval > 0) + bcopy(&pfkeystat, &ppfkeystat, len); +#undef PFKEYDIFF +#undef p +} +#endif /*IPSEC*/ |