326 lines
11 KiB
C
326 lines
11 KiB
C
/* $FreeBSD$ */
|
|
/* $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/cdefs.h>
|
|
#ifndef lint
|
|
/*
|
|
static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95";
|
|
*/
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/socket.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"
|
|
|
|
/*
|
|
* 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*/
|