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 #include <sys/param.h>
63 #include <sys/queue.h>
64 #include <sys/socket.h>
65 #include <sys/socketvar.h>
66
67 #include <netinet/in.h>
68
69 #ifdef IPSEC
70 #include <netipsec/keysock.h>
71 #endif
72
73 #include <stdint.h>
74 #include <stdio.h>
75 #include <string.h>
76 #include <unistd.h>
77 #include <stdbool.h>
78 #include <libxo/xo.h>
79 #include "netstat.h"
80
81 #ifdef IPSEC
82
83 static const char *pfkey_msgtypenames[] = {
84 "reserved", "getspi", "update", "add", "delete",
85 "get", "acquire", "register", "expire", "flush",
86 "dump", "x_promisc", "x_pchange", "x_spdupdate", "x_spdadd",
87 "x_spddelete", "x_spdget", "x_spdacquire", "x_spddump", "x_spdflush",
88 "x_spdsetidx", "x_spdexpire", "x_spddelete2"
89 };
90
91 static const char *pfkey_msgtype_names (int);
92
93
94 static const char *
pfkey_msgtype_names(int x)95 pfkey_msgtype_names(int x)
96 {
97 const int max = nitems(pfkey_msgtypenames);
98 static char buf[20];
99
100 if (x < max && pfkey_msgtypenames[x])
101 return pfkey_msgtypenames[x];
102 snprintf(buf, sizeof(buf), "#%d", x);
103 return buf;
104 }
105
106 void
pfkey_stats(u_long off,const char * name,int family __unused,int proto __unused)107 pfkey_stats(u_long off, const char *name, int family __unused,
108 int proto __unused)
109 {
110 struct pfkeystat pfkeystat;
111 unsigned first, type;
112
113 if (off == 0)
114 return;
115 xo_emit("{T:/%s}:\n", name);
116 xo_open_container(name);
117 kread_counters(off, (char *)&pfkeystat, sizeof(pfkeystat));
118
119 #define p(f, m) if (pfkeystat.f || sflag <= 1) \
120 xo_emit(m, (uintmax_t)pfkeystat.f, plural(pfkeystat.f))
121
122 /* userland -> kernel */
123 p(out_total, "\t{:sent-requests/%ju} "
124 "{N:/request%s sent from userland}\n");
125 p(out_bytes, "\t{:sent-bytes/%ju} "
126 "{N:/byte%s sent from userland}\n");
127 for (first = 1, type = 0;
128 type<sizeof(pfkeystat.out_msgtype)/sizeof(pfkeystat.out_msgtype[0]);
129 type++) {
130 if (pfkeystat.out_msgtype[type] <= 0)
131 continue;
132 if (first) {
133 xo_open_list("output-histogram");
134 xo_emit("\t{T:histogram by message type}:\n");
135 first = 0;
136 }
137 xo_open_instance("output-histogram");
138 xo_emit("\t\t{k::type/%s}: {:count/%ju}\n",
139 pfkey_msgtype_names(type),
140 (uintmax_t)pfkeystat.out_msgtype[type]);
141 xo_close_instance("output-histogram");
142 }
143 if (!first)
144 xo_close_list("output-histogram");
145
146 p(out_invlen, "\t{:dropped-bad-length/%ju} "
147 "{N:/message%s with invalid length field}\n");
148 p(out_invver, "\t{:dropped-bad-version/%ju} "
149 "{N:/message%s with invalid version field}\n");
150 p(out_invmsgtype, "\t{:dropped-bad-type/%ju} "
151 "{N:/message%s with invalid message type field}\n");
152 p(out_tooshort, "\t{:dropped-too-short/%ju} "
153 "{N:/message%s too short}\n");
154 p(out_nomem, "\t{:dropped-no-memory/%ju} "
155 "{N:/message%s with memory allocation failure}\n");
156 p(out_dupext, "\t{:dropped-duplicate-extension/%ju} "
157 "{N:/message%s with duplicate extension}\n");
158 p(out_invexttype, "\t{:dropped-bad-extension/%ju} "
159 "{N:/message%s with invalid extension type}\n");
160 p(out_invsatype, "\t{:dropped-bad-sa-type/%ju} "
161 "{N:/message%s with invalid sa type}\n");
162 p(out_invaddr, "\t{:dropped-bad-address-extension/%ju} "
163 "{N:/message%s with invalid address extension}\n");
164
165 /* kernel -> userland */
166 p(in_total, "\t{:received-requests/%ju} "
167 "{N:/request%s sent to userland}\n");
168 p(in_bytes, "\t{:received-bytes/%ju} "
169 "{N:/byte%s sent to userland}\n");
170 for (first = 1, type = 0;
171 type < sizeof(pfkeystat.in_msgtype)/sizeof(pfkeystat.in_msgtype[0]);
172 type++) {
173 if (pfkeystat.in_msgtype[type] <= 0)
174 continue;
175 if (first) {
176 xo_open_list("input-histogram");
177 xo_emit("\t{T:histogram by message type}:\n");
178 first = 0;
179 }
180 xo_open_instance("input-histogram");
181 xo_emit("\t\t{k:type/%s}: {:count/%ju}\n",
182 pfkey_msgtype_names(type),
183 (uintmax_t)pfkeystat.in_msgtype[type]);
184 xo_close_instance("input-histogram");
185 }
186 if (!first)
187 xo_close_list("input-histogram");
188 p(in_msgtarget[KEY_SENDUP_ONE], "\t{:received-one-socket/%ju} "
189 "{N:/message%s toward single socket}\n");
190 p(in_msgtarget[KEY_SENDUP_ALL], "\t{:received-all-sockets/%ju} "
191 "{N:/message%s toward all sockets}\n");
192 p(in_msgtarget[KEY_SENDUP_REGISTERED],
193 "\t{:received-registered-sockets/%ju} "
194 "{N:/message%s toward registered sockets}\n");
195 p(in_nomem, "\t{:discarded-no-memory/%ju} "
196 "{N:/message%s with memory allocation failure}\n");
197 #undef p
198 xo_close_container(name);
199 }
200 #endif /* IPSEC */
201