1/*	$NetBSD: inet.c,v 1.35.2.1 1999/04/29 14:57:08 perry Exp $	*/
2/*	$KAME: ipsec.c,v 1.25 2001/03/12 09:04:39 itojun Exp $	*/
3/*-
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33/*-
34 * Copyright (c) 1983, 1988, 1993
35 *	The Regents of the University of California.  All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 *    notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 *    notice, this list of conditions and the following disclaimer in the
44 *    documentation and/or other materials provided with the distribution.
45 * 3. Neither the name of the University nor the names of its contributors
46 *    may be used to endorse or promote products derived from this software
47 *    without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 * SUCH DAMAGE.
60 */
61
62#if 0
63#ifndef lint
64static char sccsid[] = "@(#)inet.c	8.5 (Berkeley) 5/24/95";
65#endif /* not lint */
66#endif
67
68#include <sys/cdefs.h>
69__FBSDID("$FreeBSD$");
70
71#include <sys/param.h>
72#include <sys/queue.h>
73#include <sys/socket.h>
74#include <sys/socketvar.h>
75
76#include <netinet/in.h>
77
78#ifdef IPSEC
79#include <netipsec/keysock.h>
80#endif
81
82#include <stdint.h>
83#include <stdio.h>
84#include <string.h>
85#include <unistd.h>
86#include <stdbool.h>
87#include <libxo/xo.h>
88#include "netstat.h"
89
90#ifdef IPSEC
91
92static const char *pfkey_msgtypenames[] = {
93	"reserved", "getspi", "update", "add", "delete",
94	"get", "acquire", "register", "expire", "flush",
95	"dump", "x_promisc", "x_pchange", "x_spdupdate", "x_spdadd",
96	"x_spddelete", "x_spdget", "x_spdacquire", "x_spddump", "x_spdflush",
97	"x_spdsetidx", "x_spdexpire", "x_spddelete2"
98};
99
100static const char *pfkey_msgtype_names (int);
101
102
103static const char *
104pfkey_msgtype_names(int x)
105{
106	const int max = nitems(pfkey_msgtypenames);
107	static char buf[20];
108
109	if (x < max && pfkey_msgtypenames[x])
110		return pfkey_msgtypenames[x];
111	snprintf(buf, sizeof(buf), "#%d", x);
112	return buf;
113}
114
115void
116pfkey_stats(u_long off, const char *name, int family __unused,
117    int proto __unused)
118{
119	struct pfkeystat pfkeystat;
120	unsigned first, type;
121
122	if (off == 0)
123		return;
124	xo_emit("{T:/%s}:\n", name);
125	xo_open_container(name);
126	kread_counters(off, (char *)&pfkeystat, sizeof(pfkeystat));
127
128#define	p(f, m) if (pfkeystat.f || sflag <= 1) \
129	xo_emit(m, (uintmax_t)pfkeystat.f, plural(pfkeystat.f))
130
131	/* userland -> kernel */
132	p(out_total, "\t{:sent-requests/%ju} "
133	    "{N:/request%s sent from userland}\n");
134	p(out_bytes, "\t{:sent-bytes/%ju} "
135	    "{N:/byte%s sent from userland}\n");
136	for (first = 1, type = 0;
137	    type<sizeof(pfkeystat.out_msgtype)/sizeof(pfkeystat.out_msgtype[0]);
138	    type++) {
139		if (pfkeystat.out_msgtype[type] <= 0)
140			continue;
141		if (first) {
142			xo_open_list("output-histogram");
143			xo_emit("\t{T:histogram by message type}:\n");
144			first = 0;
145		}
146		xo_open_instance("output-histogram");
147		xo_emit("\t\t{k::type/%s}: {:count/%ju}\n",
148		    pfkey_msgtype_names(type),
149		    (uintmax_t)pfkeystat.out_msgtype[type]);
150		xo_close_instance("output-histogram");
151	}
152	if (!first)
153		xo_close_list("output-histogram");
154
155	p(out_invlen, "\t{:dropped-bad-length/%ju} "
156	    "{N:/message%s with invalid length field}\n");
157	p(out_invver, "\t{:dropped-bad-version/%ju} "
158	    "{N:/message%s with invalid version field}\n");
159	p(out_invmsgtype, "\t{:dropped-bad-type/%ju} "
160	    "{N:/message%s with invalid message type field}\n");
161	p(out_tooshort, "\t{:dropped-too-short/%ju} "
162	    "{N:/message%s too short}\n");
163	p(out_nomem, "\t{:dropped-no-memory/%ju} "
164	    "{N:/message%s with memory allocation failure}\n");
165	p(out_dupext, "\t{:dropped-duplicate-extension/%ju} "
166	    "{N:/message%s with duplicate extension}\n");
167	p(out_invexttype, "\t{:dropped-bad-extension/%ju} "
168	    "{N:/message%s with invalid extension type}\n");
169	p(out_invsatype, "\t{:dropped-bad-sa-type/%ju} "
170	    "{N:/message%s with invalid sa type}\n");
171	p(out_invaddr, "\t{:dropped-bad-address-extension/%ju} "
172	    "{N:/message%s with invalid address extension}\n");
173
174	/* kernel -> userland */
175	p(in_total, "\t{:received-requests/%ju} "
176	    "{N:/request%s sent to userland}\n");
177	p(in_bytes, "\t{:received-bytes/%ju} "
178	    "{N:/byte%s sent to userland}\n");
179	for (first = 1, type = 0;
180	    type < sizeof(pfkeystat.in_msgtype)/sizeof(pfkeystat.in_msgtype[0]);
181	    type++) {
182		if (pfkeystat.in_msgtype[type] <= 0)
183			continue;
184		if (first) {
185			xo_open_list("input-histogram");
186			xo_emit("\t{T:histogram by message type}:\n");
187			first = 0;
188		}
189		xo_open_instance("input-histogram");
190		xo_emit("\t\t{k:type/%s}: {:count/%ju}\n",
191		    pfkey_msgtype_names(type),
192		    (uintmax_t)pfkeystat.in_msgtype[type]);
193		xo_close_instance("input-histogram");
194	}
195	if (!first)
196		xo_close_list("input-histogram");
197	p(in_msgtarget[KEY_SENDUP_ONE], "\t{:received-one-socket/%ju} "
198	    "{N:/message%s toward single socket}\n");
199	p(in_msgtarget[KEY_SENDUP_ALL], "\t{:received-all-sockets/%ju} "
200	    "{N:/message%s toward all sockets}\n");
201	p(in_msgtarget[KEY_SENDUP_REGISTERED],
202	    "\t{:received-registered-sockets/%ju} "
203	    "{N:/message%s toward registered sockets}\n");
204	p(in_nomem, "\t{:discarded-no-memory/%ju} "
205	    "{N:/message%s with memory allocation failure}\n");
206#undef p
207	xo_close_container(name);
208}
209#endif /* IPSEC */
210