xref: /freebsd/usr.bin/netstat/pfkey.c (revision 39beb93c3f8bdbf72a61fda42300b5ebed7390c8)
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  * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the project nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 /*-
32  * Copyright (c) 1983, 1988, 1993
33  *	The Regents of the University of California.  All rights reserved.
34  *
35  * Redistribution and use in source and binary forms, with or without
36  * modification, are permitted provided that the following conditions
37  * are met:
38  * 1. Redistributions of source code must retain the above copyright
39  *    notice, this list of conditions and the following disclaimer.
40  * 2. Redistributions in binary form must reproduce the above copyright
41  *    notice, this list of conditions and the following disclaimer in the
42  *    documentation and/or other materials provided with the distribution.
43  * 3. All advertising materials mentioning features or use of this software
44  *    must display the following acknowledgement:
45  *	This product includes software developed by the University of
46  *	California, Berkeley and its contributors.
47  * 4. Neither the name of the University nor the names of its contributors
48  *    may be used to endorse or promote products derived from this software
49  *    without specific prior written permission.
50  *
51  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
52  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
53  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
54  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
55  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
56  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
57  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
59  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
60  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61  * SUCH DAMAGE.
62  */
63 
64 #if 0
65 #ifndef lint
66 static char sccsid[] = "@(#)inet.c	8.5 (Berkeley) 5/24/95";
67 #endif /* not lint */
68 #endif
69 
70 #include <sys/cdefs.h>
71 __FBSDID("$FreeBSD$");
72 
73 #include <sys/param.h>
74 #include <sys/queue.h>
75 #include <sys/socket.h>
76 #include <sys/socketvar.h>
77 
78 #include <netinet/in.h>
79 
80 #ifdef IPSEC
81 #include <netipsec/keysock.h>
82 #endif
83 
84 #include <stdint.h>
85 #include <stdio.h>
86 #include <string.h>
87 #include <unistd.h>
88 #include "netstat.h"
89 
90 #ifdef IPSEC
91 
92 static 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 
100 static const char *pfkey_msgtype_names (int);
101 
102 
103 static const char *
104 pfkey_msgtype_names(int x)
105 {
106 	const int max =
107 	    sizeof(pfkey_msgtypenames)/sizeof(pfkey_msgtypenames[0]);
108 	static char buf[20];
109 
110 	if (x < max && pfkey_msgtypenames[x])
111 		return pfkey_msgtypenames[x];
112 	snprintf(buf, sizeof(buf), "#%d", x);
113 	return buf;
114 }
115 
116 void
117 pfkey_stats(u_long off, const char *name, int family __unused,
118     int proto __unused)
119 {
120 	struct pfkeystat pfkeystat;
121 	unsigned first, type;
122 
123 	if (off == 0)
124 		return;
125 	printf ("%s:\n", name);
126 	kread(off, (char *)&pfkeystat, sizeof(pfkeystat));
127 
128 #define	p(f, m) if (pfkeystat.f || sflag <= 1) \
129     printf(m, (uintmax_t)pfkeystat.f, plural(pfkeystat.f))
130 
131 	/* userland -> kernel */
132 	p(out_total, "\t%ju request%s sent from userland\n");
133 	p(out_bytes, "\t%ju byte%s sent from userland\n");
134 	for (first = 1, type = 0;
135 	     type < sizeof(pfkeystat.out_msgtype)/sizeof(pfkeystat.out_msgtype[0]);
136 	     type++) {
137 		if (pfkeystat.out_msgtype[type] <= 0)
138 			continue;
139 		if (first) {
140 			printf("\thistogram by message type:\n");
141 			first = 0;
142 		}
143 		printf("\t\t%s: %ju\n", pfkey_msgtype_names(type),
144 			(uintmax_t)pfkeystat.out_msgtype[type]);
145 	}
146 	p(out_invlen, "\t%ju message%s with invalid length field\n");
147 	p(out_invver, "\t%ju message%s with invalid version field\n");
148 	p(out_invmsgtype, "\t%ju message%s with invalid message type field\n");
149 	p(out_tooshort, "\t%ju message%s too short\n");
150 	p(out_nomem, "\t%ju message%s with memory allocation failure\n");
151 	p(out_dupext, "\t%ju message%s with duplicate extension\n");
152 	p(out_invexttype, "\t%ju message%s with invalid extension type\n");
153 	p(out_invsatype, "\t%ju message%s with invalid sa type\n");
154 	p(out_invaddr, "\t%ju message%s with invalid address extension\n");
155 
156 	/* kernel -> userland */
157 	p(in_total, "\t%ju request%s sent to userland\n");
158 	p(in_bytes, "\t%ju byte%s sent to userland\n");
159 	for (first = 1, type = 0;
160 	     type < sizeof(pfkeystat.in_msgtype)/sizeof(pfkeystat.in_msgtype[0]);
161 	     type++) {
162 		if (pfkeystat.in_msgtype[type] <= 0)
163 			continue;
164 		if (first) {
165 			printf("\thistogram by message type:\n");
166 			first = 0;
167 		}
168 		printf("\t\t%s: %ju\n", pfkey_msgtype_names(type),
169 			(uintmax_t)pfkeystat.in_msgtype[type]);
170 	}
171 	p(in_msgtarget[KEY_SENDUP_ONE],
172 	    "\t%ju message%s toward single socket\n");
173 	p(in_msgtarget[KEY_SENDUP_ALL],
174 	    "\t%ju message%s toward all sockets\n");
175 	p(in_msgtarget[KEY_SENDUP_REGISTERED],
176 	    "\t%ju message%s toward registered sockets\n");
177 	p(in_nomem, "\t%ju message%s with memory allocation failure\n");
178 #undef p
179 }
180 #endif /* IPSEC */
181