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100b98db75
with FAST_IPSEC rather than the KAME IPSEC stack. Note that the output of "netstat -s -p ipsec" differs depending on which stack is compiled into the kernel since they each keep different stats. This delta also adds the "esp", "ah", and "ipcomp" protocol stats, which are also available when the kernel is compiled with the FAST_IPSEC stack (e.g. "netstat -s -p esp"). Submitted by: Matt Titus <titus at nttmcl dot com> MFC after: 3 days
495 lines
17 KiB
C
495 lines
17 KiB
C
/* $FreeBSD$ */
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/* $KAME: ipsec.c,v 1.33 2003/07/25 09:54:32 itojun Exp $ */
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/*
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* Copyright (c) 2005 NTT Multimedia Communications Laboratories, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1983, 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#if defined(IPSEC) && !defined(FAST_IPSEC)
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#include <netinet6/ipsec.h>
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#endif
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#ifdef FAST_IPSEC
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#include <netipsec/ipsec.h>
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#include <netipsec/ah_var.h>
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#include <netipsec/esp_var.h>
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#include <netipsec/ipcomp_var.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "netstat.h"
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#ifdef IPSEC
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struct val2str {
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int val;
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const char *str;
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};
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static struct val2str ipsec_ahnames[] = {
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{ SADB_AALG_NONE, "none", },
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{ SADB_AALG_MD5HMAC, "hmac-md5", },
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{ SADB_AALG_SHA1HMAC, "hmac-sha1", },
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{ SADB_X_AALG_MD5, "md5", },
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{ SADB_X_AALG_SHA, "sha", },
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{ SADB_X_AALG_NULL, "null", },
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#ifdef SADB_X_AALG_SHA2_256
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{ SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
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#endif
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#ifdef SADB_X_AALG_SHA2_384
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{ SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
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#endif
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#ifdef SADB_X_AALG_SHA2_512
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{ SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
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#endif
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#ifdef SADB_X_AALG_RIPEMD160HMAC
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{ SADB_X_AALG_RIPEMD160HMAC, "hmac-ripemd160", },
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#endif
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#ifdef SADB_X_AALG_AES_XCBC_MAC
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{ SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", },
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#endif
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{ -1, NULL },
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};
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static struct val2str ipsec_espnames[] = {
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{ SADB_EALG_NONE, "none", },
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{ SADB_EALG_DESCBC, "des-cbc", },
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{ SADB_EALG_3DESCBC, "3des-cbc", },
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{ SADB_EALG_NULL, "null", },
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{ SADB_X_EALG_CAST128CBC, "cast128-cbc", },
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{ SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
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#ifdef SADB_X_EALG_RIJNDAELCBC
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{ SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
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#endif
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#ifdef SADB_X_EALG_AESCTR
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{ SADB_X_EALG_AESCTR, "aes-ctr", },
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#endif
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{ -1, NULL },
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};
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static struct val2str ipsec_compnames[] = {
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{ SADB_X_CALG_NONE, "none", },
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{ SADB_X_CALG_OUI, "oui", },
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{ SADB_X_CALG_DEFLATE, "deflate", },
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{ SADB_X_CALG_LZS, "lzs", },
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{ -1, NULL },
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};
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static void ipsec_hist(const u_quad_t *hist, size_t histmax,
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const struct val2str *name, const char *title);
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static void print_ipsecstats(const struct ipsecstat *ipsecstat);
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/*
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* Dump IPSEC statistics structure.
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*/
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static void
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ipsec_hist(const u_quad_t *hist, size_t histmax, const struct val2str *name,
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const char *title)
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{
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int first;
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size_t proto;
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const struct val2str *p;
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first = 1;
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for (proto = 0; proto < histmax; proto++) {
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if (hist[proto] <= 0)
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continue;
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if (first) {
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printf("\t%s histogram:\n", title);
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first = 0;
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}
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for (p = name; p && p->str; p++) {
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if (p->val == (int)proto)
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break;
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}
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if (p && p->str) {
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printf("\t\t%s: %llu\n", p->str, (unsigned long long)hist[proto]);
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} else {
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printf("\t\t#%ld: %llu\n", (long)proto,
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(unsigned long long)hist[proto]);
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}
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}
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}
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static void
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print_ipsecstats(const struct ipsecstat *ipsecstat)
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{
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#define p(f, m) if (ipsecstat->f || sflag <= 1) \
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printf(m, (unsigned long long)ipsecstat->f, plural(ipsecstat->f))
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#define pes(f, m) if (ipsecstat->f || sflag <= 1) \
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printf(m, (unsigned long long)ipsecstat->f, plurales(ipsecstat->f))
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#define hist(f, n, t) \
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ipsec_hist((f), sizeof(f)/sizeof(f[0]), (n), (t));
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p(in_success, "\t%llu inbound packet%s processed successfully\n");
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p(in_polvio, "\t%llu inbound packet%s violated process security "
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"policy\n");
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p(in_nosa, "\t%llu inbound packet%s with no SA available\n");
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p(in_inval, "\t%llu invalid inbound packet%s\n");
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p(in_nomem, "\t%llu inbound packet%s failed due to insufficient memory\n");
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p(in_badspi, "\t%llu inbound packet%s failed getting SPI\n");
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p(in_ahreplay, "\t%llu inbound packet%s failed on AH replay check\n");
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p(in_espreplay, "\t%llu inbound packet%s failed on ESP replay check\n");
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p(in_ahauthsucc, "\t%llu inbound packet%s considered authentic\n");
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p(in_ahauthfail, "\t%llu inbound packet%s failed on authentication\n");
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hist(ipsecstat->in_ahhist, ipsec_ahnames, "AH input");
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hist(ipsecstat->in_esphist, ipsec_espnames, "ESP input");
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hist(ipsecstat->in_comphist, ipsec_compnames, "IPComp input");
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p(out_success, "\t%llu outbound packet%s processed successfully\n");
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p(out_polvio, "\t%llu outbound packet%s violated process security "
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"policy\n");
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p(out_nosa, "\t%llu outbound packet%s with no SA available\n");
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p(out_inval, "\t%llu invalid outbound packet%s\n");
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p(out_nomem, "\t%llu outbound packet%s failed due to insufficient memory\n");
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p(out_noroute, "\t%llu outbound packet%s with no route\n");
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hist(ipsecstat->out_ahhist, ipsec_ahnames, "AH output");
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hist(ipsecstat->out_esphist, ipsec_espnames, "ESP output");
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hist(ipsecstat->out_comphist, ipsec_compnames, "IPComp output");
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p(spdcachelookup, "\t%llu SPD cache lookup%s\n");
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pes(spdcachemiss, "\t%llu SPD cache miss%s\n");
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#undef p
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#undef pes
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#undef hist
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}
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void
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ipsec_stats(u_long off, const char *name, int af1 __unused)
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{
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struct ipsecstat ipsecstat;
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if (off == 0)
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return;
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printf ("%s:\n", name);
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kread(off, (char *)&ipsecstat, sizeof(ipsecstat));
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print_ipsecstats(&ipsecstat);
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}
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#ifdef FAST_IPSEC
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static void ipsec_hist_new(const u_int32_t *hist, size_t histmax,
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const struct val2str *name, const char *title);
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static void print_newipsecstats(const struct newipsecstat *newipsecstat);
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static void print_ahstats(const struct ahstat *ahstat);
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static void print_espstats(const struct espstat *espstat);
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static void print_ipcompstats(const struct ipcompstat *ipcompstat);
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/*
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* Dump IPSEC statistics structure.
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*/
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static void
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ipsec_hist_new(const u_int32_t *hist, size_t histmax,
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const struct val2str *name, const char *title)
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{
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int first;
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size_t proto;
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const struct val2str *p;
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first = 1;
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for (proto = 0; proto < histmax; proto++) {
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if (hist[proto] <= 0)
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continue;
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if (first) {
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printf("\t%s histogram:\n", title);
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first = 0;
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}
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for (p = name; p && p->str; p++) {
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if (p->val == (int)proto)
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break;
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}
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if (p && p->str) {
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printf("\t\t%s: %u\n", p->str, hist[proto]);
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} else {
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printf("\t\t#%lu: %u\n", (unsigned long)proto,
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hist[proto]);
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}
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}
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}
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static void
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print_newipsecstats(const struct newipsecstat *newipsecstat)
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{
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#define p(f, m) if (newipsecstat->f || sflag <= 1) \
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printf(m, newipsecstat->f, plural(newipsecstat->f))
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p(ips_in_polvio, "\t%u inbound packet%s violated process "
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"security policy\n");
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p(ips_out_polvio, "\t%u outbound packet%s violated process "
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"security policy\n");
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p(ips_out_nosa, "\t%u outbound packet%s with no SA available\n");
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p(ips_out_nomem, "\t%u outbound packet%s failed due to "
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"insufficient memory\n");
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p(ips_out_noroute, "\t%u outbound packet%s with no route "
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"available\n");
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p(ips_out_inval, "\t%u invalid outbound packet%s\n");
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p(ips_out_bundlesa, "\t%u outbound packet%s with bundled SAs\n");
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p(ips_mbcoalesced, "\t%u mbuf%s coalesced during clone\n");
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p(ips_clcoalesced, "\t%u cluster%s coalesced during clone\n");
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p(ips_clcopied, "\t%u cluster%s copied during clone\n");
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p(ips_mbinserted, "\t%u mbuf%s inserted during makespace\n");
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#undef p
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}
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void
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ipsec_stats_new(u_long off, const char *name, int af __unused)
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{
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struct newipsecstat newipsecstat;
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if (off == 0)
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return;
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printf ("%s:\n", name);
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kread(off, (char *)&newipsecstat, sizeof(newipsecstat));
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print_newipsecstats(&newipsecstat);
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}
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static void
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print_ahstats(const struct ahstat *ahstat)
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{
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#define p32(f, m) if (ahstat->f || sflag <= 1) \
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printf("\t%u" m, (unsigned int)ahstat->f, plural(ahstat->f))
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#define p64(f, m) if (ahstat->f || sflag <= 1) \
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printf("\t%llu" m, (unsigned long long)ahstat->f, plural(ahstat->f))
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#define hist(f, n, t) \
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ipsec_hist_new((f), sizeof(f)/sizeof(f[0]), (n), (t));
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p32(ahs_hdrops, " packet%s shorter than header shows\n");
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p32(ahs_nopf, " packet%s dropped; protocol family not supported\n");
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p32(ahs_notdb, " packet%s dropped; no TDB\n");
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p32(ahs_badkcr, " packet%s dropped; bad KCR\n");
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p32(ahs_qfull, " packet%s dropped; queue full\n");
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p32(ahs_noxform, " packet%s dropped; no transform\n");
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p32(ahs_wrap, " replay counter wrap%s\n");
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p32(ahs_badauth, " packet%s dropped; bad authentication detected\n");
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p32(ahs_badauthl, " packet%s dropped; bad authentication length\n");
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p32(ahs_replay, " possible replay packet%s detected\n");
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p32(ahs_input, " packet%s in\n");
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p32(ahs_output, " packet%s out\n");
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p32(ahs_invalid, " packet%s dropped; invalid TDB\n");
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p64(ahs_ibytes, " byte%s in\n");
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p64(ahs_obytes, " byte%s out\n");
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p32(ahs_toobig, " packet%s dropped; larger than IP_MAXPACKET\n");
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p32(ahs_pdrops, " packet%s blocked due to policy\n");
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p32(ahs_crypto, " crypto processing failure%s\n");
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p32(ahs_tunnel, " tunnel sanity check failure%s\n");
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hist(ahstat->ahs_hist, ipsec_ahnames, "AH output");
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#undef p32
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#undef p64
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#undef hist
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}
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void
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ah_stats(u_long off, const char *name, int af __unused)
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{
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struct ahstat ahstat;
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if (off == 0)
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return;
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printf ("%s:\n", name);
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kread(off, (char *)&ahstat, sizeof(ahstat));
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print_ahstats(&ahstat);
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}
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static void
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print_espstats(const struct espstat *espstat)
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{
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#define p32(f, m) if (espstat->f || sflag <= 1) \
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printf("\t%u" m, (unsigned int)espstat->f, plural(espstat->f))
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#define p64(f, m) if (espstat->f || sflag <= 1) \
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printf("\t%llu" m, (unsigned long long)espstat->f, plural(espstat->f))
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#define hist(f, n, t) \
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ipsec_hist_new((f), sizeof(f)/sizeof(f[0]), (n), (t));
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p32(esps_hdrops, " packet%s shorter than header shows\n");
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p32(esps_nopf, " packet%s dropped; protocol family not supported\n");
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p32(esps_notdb, " packet%s dropped; no TDB\n");
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p32(esps_badkcr, " packet%s dropped; bad KCR\n");
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p32(esps_qfull, " packet%s dropped; queue full\n");
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p32(esps_noxform, " packet%s dropped; no transform\n");
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p32(esps_badilen, " packet%s dropped; bad ilen\n");
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p32(esps_wrap, " replay counter wrap%s\n");
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p32(esps_badenc, " packet%s dropped; bad encryption detected\n");
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p32(esps_badauth, " packet%s dropped; bad authentication detected\n");
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p32(esps_replay, " possible replay packet%s detected\n");
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p32(esps_input, " packet%s in\n");
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p32(esps_output, " packet%s out\n");
|
|
p32(esps_invalid, " packet%s dropped; invalid TDB\n");
|
|
p64(esps_ibytes, " byte%s in\n");
|
|
p64(esps_obytes, " byte%s out\n");
|
|
p32(esps_toobig, " packet%s dropped; larger than IP_MAXPACKET\n");
|
|
p32(esps_pdrops, " packet%s blocked due to policy\n");
|
|
p32(esps_crypto, " crypto processing failure%s\n");
|
|
p32(esps_tunnel, " tunnel sanity check failure%s\n");
|
|
hist(espstat->esps_hist, ipsec_espnames, "ESP output");
|
|
|
|
#undef p32
|
|
#undef p64
|
|
#undef hist
|
|
}
|
|
|
|
void
|
|
esp_stats(u_long off, const char *name, int af __unused)
|
|
{
|
|
struct espstat espstat;
|
|
|
|
if (off == 0)
|
|
return;
|
|
printf ("%s:\n", name);
|
|
kread(off, (char *)&espstat, sizeof(espstat));
|
|
|
|
print_espstats(&espstat);
|
|
}
|
|
|
|
static void
|
|
print_ipcompstats(const struct ipcompstat *ipcompstat)
|
|
{
|
|
#define p32(f, m) if (ipcompstat->f || sflag <= 1) \
|
|
printf("\t%u" m, (unsigned int)ipcompstat->f, plural(ipcompstat->f))
|
|
#define p64(f, m) if (ipcompstat->f || sflag <= 1) \
|
|
printf("\t%llu" m, (unsigned long long)ipcompstat->f, plural(ipcompstat->f))
|
|
#define hist(f, n, t) \
|
|
ipsec_hist_new((f), sizeof(f)/sizeof(f[0]), (n), (t));
|
|
|
|
p32(ipcomps_hdrops, " packet%s shorter than header shows\n");
|
|
p32(ipcomps_nopf, " packet%s dropped; protocol family not supported\n");
|
|
p32(ipcomps_notdb, " packet%s dropped; no TDB\n");
|
|
p32(ipcomps_badkcr, " packet%s dropped; bad KCR\n");
|
|
p32(ipcomps_qfull, " packet%s dropped; queue full\n");
|
|
p32(ipcomps_noxform, " packet%s dropped; no transform\n");
|
|
p32(ipcomps_wrap, " replay counter wrap%s\n");
|
|
p32(ipcomps_input, " packet%s in\n");
|
|
p32(ipcomps_output, " packet%s out\n");
|
|
p32(ipcomps_invalid, " packet%s dropped; invalid TDB\n");
|
|
p64(ipcomps_ibytes, " byte%s in\n");
|
|
p64(ipcomps_obytes, " byte%s out\n");
|
|
p32(ipcomps_toobig, " packet%s dropped; larger than IP_MAXPACKET\n");
|
|
p32(ipcomps_pdrops, " packet%s blocked due to policy\n");
|
|
p32(ipcomps_crypto, " crypto processing failure%s\n");
|
|
hist(ipcompstat->ipcomps_hist, ipsec_compnames, "COMP output");
|
|
|
|
#undef p32
|
|
#undef p64
|
|
#undef hist
|
|
}
|
|
|
|
void
|
|
ipcomp_stats(u_long off, const char *name, int af __unused)
|
|
{
|
|
struct ipcompstat ipcompstat;
|
|
|
|
if (off == 0)
|
|
return;
|
|
printf ("%s:\n", name);
|
|
kread(off, (char *)&ipcompstat, sizeof(ipcompstat));
|
|
|
|
print_ipcompstats(&ipcompstat);
|
|
}
|
|
|
|
#endif /* FAST_IPSEC */
|
|
#endif /*IPSEC*/
|