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freebsd-skq/usr.bin/netstat/pfkey.c
imp 7e6cabd06e Renumber copyright clause 4 
Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by:	Jan Schaumann <jschauma@stevens.edu>
Pull Request:	https://github.com/freebsd/freebsd/pull/96
2017-02-28 23:42:47 +00:00

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/* $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. 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.
*/
#if 0
#ifndef lint
static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95";
#endif /* not lint */
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <netinet/in.h>
#ifdef IPSEC
#include <netipsec/keysock.h>
#endif
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdbool.h>
#include <libxo/xo.h>
#include "netstat.h"
#ifdef IPSEC
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 const char *pfkey_msgtype_names (int);
static const char *
pfkey_msgtype_names(int x)
{
const int max = nitems(pfkey_msgtypenames);
static char buf[20];
if (x < max && pfkey_msgtypenames[x])
return pfkey_msgtypenames[x];
snprintf(buf, sizeof(buf), "#%d", x);
return buf;
}
void
pfkey_stats(u_long off, const char *name, int family __unused,
int proto __unused)
{
struct pfkeystat pfkeystat;
unsigned first, type;
if (off == 0)
return;
xo_emit("{T:/%s}:\n", name);
xo_open_container(name);
kread_counters(off, (char *)&pfkeystat, sizeof(pfkeystat));
#define p(f, m) if (pfkeystat.f || sflag <= 1) \
xo_emit(m, (uintmax_t)pfkeystat.f, plural(pfkeystat.f))
/* userland -> kernel */
p(out_total, "\t{:sent-requests/%ju} "
"{N:/request%s sent from userland}\n");
p(out_bytes, "\t{:sent-bytes/%ju} "
"{N:/byte%s sent from 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) {
xo_open_list("output-histogram");
xo_emit("\t{T:histogram by message type}:\n");
first = 0;
}
xo_open_instance("output-histogram");
xo_emit("\t\t{k::type/%s}: {:count/%ju}\n",
pfkey_msgtype_names(type),
(uintmax_t)pfkeystat.out_msgtype[type]);
xo_close_instance("output-histogram");
}
if (!first)
xo_close_list("output-histogram");
p(out_invlen, "\t{:dropped-bad-length/%ju} "
"{N:/message%s with invalid length field}\n");
p(out_invver, "\t{:dropped-bad-version/%ju} "
"{N:/message%s with invalid version field}\n");
p(out_invmsgtype, "\t{:dropped-bad-type/%ju} "
"{N:/message%s with invalid message type field}\n");
p(out_tooshort, "\t{:dropped-too-short/%ju} "
"{N:/message%s too short}\n");
p(out_nomem, "\t{:dropped-no-memory/%ju} "
"{N:/message%s with memory allocation failure}\n");
p(out_dupext, "\t{:dropped-duplicate-extension/%ju} "
"{N:/message%s with duplicate extension}\n");
p(out_invexttype, "\t{:dropped-bad-extension/%ju} "
"{N:/message%s with invalid extension type}\n");
p(out_invsatype, "\t{:dropped-bad-sa-type/%ju} "
"{N:/message%s with invalid sa type}\n");
p(out_invaddr, "\t{:dropped-bad-address-extension/%ju} "
"{N:/message%s with invalid address extension}\n");
/* kernel -> userland */
p(in_total, "\t{:received-requests/%ju} "
"{N:/request%s sent to userland}\n");
p(in_bytes, "\t{:received-bytes/%ju} "
"{N:/byte%s sent to 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) {
xo_open_list("input-histogram");
xo_emit("\t{T:histogram by message type}:\n");
first = 0;
}
xo_open_instance("input-histogram");
xo_emit("\t\t{k:type/%s}: {:count/%ju}\n",
pfkey_msgtype_names(type),
(uintmax_t)pfkeystat.in_msgtype[type]);
xo_close_instance("input-histogram");
}
if (!first)
xo_close_list("input-histogram");
p(in_msgtarget[KEY_SENDUP_ONE], "\t{:received-one-socket/%ju} "
"{N:/message%s toward single socket}\n");
p(in_msgtarget[KEY_SENDUP_ALL], "\t{:received-all-sockets/%ju} "
"{N:/message%s toward all sockets}\n");
p(in_msgtarget[KEY_SENDUP_REGISTERED],
"\t{:received-registered-sockets/%ju} "
"{N:/message%s toward registered sockets}\n");
p(in_nomem, "\t{:discarded-no-memory/%ju} "
"{N:/message%s with memory allocation failure}\n");
#undef p
xo_close_container(name);
}
#endif /* IPSEC */
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