xref: /freebsd-src/tools/tools/crypto/ipsecstats.c (revision 7cc9e6ddbb1a6cd38b2f44d4dd9dfc890d2fc9d0)
1 /*-
2  * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 #include <stdio.h>
29 #include <sys/types.h>
30 #include <netipsec/ipsec.h>
31 #include <netipsec/ah_var.h>
32 #include <netipsec/esp_var.h>
33 
34 struct alg {
35 	int		a;
36 	const char	*name;
37 };
38 static const struct alg aalgs[] = {
39 	{ SADB_AALG_NONE,	"none", },
40 	{ SADB_AALG_MD5HMAC,	"hmac-md5", },
41 	{ SADB_AALG_SHA1HMAC,	"hmac-sha1", },
42 	{ SADB_X_AALG_MD5,	"md5", },
43 	{ SADB_X_AALG_SHA,	"sha", },
44 	{ SADB_X_AALG_NULL,	"null", },
45 	{ SADB_X_AALG_SHA2_256,	"hmac-sha2-256", },
46 	{ SADB_X_AALG_SHA2_384,	"hmac-sha2-384", },
47 	{ SADB_X_AALG_SHA2_512,	"hmac-sha2-512", },
48 };
49 static const struct alg espalgs[] = {
50 	{ SADB_EALG_NONE,	"none", },
51 	{ SADB_EALG_DESCBC,	"des-cbc", },
52 	{ SADB_EALG_3DESCBC,	"3des-cbc", },
53 	{ SADB_EALG_NULL,	"null", },
54 	{ SADB_X_EALG_CAST128CBC, "cast128-cbc", },
55 	{ SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
56 	{ SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
57 };
58 static const struct alg ipcompalgs[] = {
59 	{ SADB_X_CALG_NONE,	"none", },
60 	{ SADB_X_CALG_OUI,	"oui", },
61 	{ SADB_X_CALG_DEFLATE,	"deflate", },
62 	{ SADB_X_CALG_LZS,	"lzs", },
63 };
64 #define	N(a)	(sizeof(a)/sizeof(a[0]))
65 
66 static const char*
67 algname(int a, const struct alg algs[], int nalgs)
68 {
69 	static char buf[80];
70 	int i;
71 
72 	for (i = 0; i < nalgs; i++)
73 		if (algs[i].a == a)
74 			return algs[i].name;
75 	snprintf(buf, sizeof(buf), "alg#%u", a);
76 	return buf;
77 }
78 
79 /*
80  * Little program to dump the statistics block for fast ipsec.
81  */
82 int
83 main(int argc, char *argv[])
84 {
85 #define	STAT(x,fmt)	if (x) printf(fmt "\n", x)
86 	struct newipsecstat ips;
87 	struct ahstat ahs;
88 	struct espstat esps;
89 	size_t slen;
90 	int i;
91 
92 	slen = sizeof (ips);
93 	if (sysctlbyname("net.inet.ipsec.ipsecstats", &ips, &slen, NULL, NULL) < 0)
94 		err(1, "net.inet.ipsec.ipsecstats");
95 	slen = sizeof (ahs);
96 	if (sysctlbyname("net.inet.ah.stats", &ahs, &slen, NULL, NULL) < 0)
97 		err(1, "net.inet.ah.stats");
98 	slen = sizeof (esps);
99 	if (sysctlbyname("net.inet.esp.stats", &esps, &slen, NULL, NULL) < 0)
100 		err(1, "net.inet.esp.stats");
101 
102 #define	AHSTAT(x,fmt)	if (x) printf("ah " fmt ": %u\n", x)
103 #define	AHSTAT64(x,fmt)	if (x) printf("ah " fmt ": %llu\n", x)
104 	AHSTAT(ahs.ahs_input, "input packets processed");
105 	AHSTAT(ahs.ahs_output, "output packets processed");
106 	AHSTAT(ahs.ahs_hdrops, "headers too short");
107 	AHSTAT(ahs.ahs_nopf, "headers for unsupported address family");
108 	AHSTAT(ahs.ahs_notdb, "packets with no SA");
109 	AHSTAT(ahs.ahs_badkcr, "packets with bad kcr");
110 	AHSTAT(ahs.ahs_badauth, "packets with bad authentication");
111 	AHSTAT(ahs.ahs_noxform, "packets with no xform");
112 	AHSTAT(ahs.ahs_qfull, "packets dropped packet 'cuz queue full");
113 	AHSTAT(ahs.ahs_wrap, "packets dropped for replace counter wrap");
114 	AHSTAT(ahs.ahs_replay, "packets dropped for possible replay");
115 	AHSTAT(ahs.ahs_badauthl, "packets dropped for bad authenticator length");
116 	AHSTAT(ahs.ahs_invalid, "packets with an invalid SA");
117 	AHSTAT(ahs.ahs_toobig, "packets too big");
118 	AHSTAT(ahs.ahs_pdrops, "packets dropped due to policy");
119 	AHSTAT(ahs.ahs_crypto, "failed crypto requests");
120 	AHSTAT(ahs.ahs_tunnel, "tunnel sanity check failures");
121 	for (i = 0; i < AH_ALG_MAX; i++)
122 		if (ahs.ahs_hist[i])
123 			printf("ah packets with %s: %u\n"
124 				, algname(i, aalgs, N(aalgs))
125 				, ahs.ahs_hist[i]
126 			);
127 	AHSTAT64(ahs.ahs_ibytes, "bytes received");
128 	AHSTAT64(ahs.ahs_obytes, "bytes transmitted");
129 #undef AHSTAT64
130 #undef AHSTAT
131 
132 #define	ESPSTAT(x,fmt)	if (x) printf("esp " fmt ": %u\n", x)
133 #define	ESPSTAT64(x,fmt)	if (x) printf("esp " fmt ": %llu\n", x)
134 	ESPSTAT(esps.esps_input, "input packets processed");
135 	ESPSTAT(esps.esps_output, "output packets processed");
136 	ESPSTAT(esps.esps_hdrops, "headers too short");
137 	ESPSTAT(esps.esps_nopf, "headers for unsupported address family");
138 	ESPSTAT(esps.esps_notdb, "packets with no SA");
139 	ESPSTAT(esps.esps_badkcr, "packets with bad kcr");
140 	ESPSTAT(esps.esps_qfull, "packets dropped packet 'cuz queue full");
141 	ESPSTAT(esps.esps_noxform, "packets with no xform");
142 	ESPSTAT(esps.esps_badilen, "packets with bad ilen");
143 	ESPSTAT(esps.esps_badenc, "packets with bad encryption");
144 	ESPSTAT(esps.esps_badauth, "packets with bad authentication");
145 	ESPSTAT(esps.esps_wrap, "packets dropped for replay counter wrap");
146 	ESPSTAT(esps.esps_replay, "packets dropped for possible replay");
147 	ESPSTAT(esps.esps_invalid, "packets with an invalid SA");
148 	ESPSTAT(esps.esps_toobig, "packets too big");
149 	ESPSTAT(esps.esps_pdrops, "packets dropped due to policy");
150 	ESPSTAT(esps.esps_crypto, "failed crypto requests");
151 	ESPSTAT(esps.esps_tunnel, "tunnel sanity check failures");
152 	for (i = 0; i < ESP_ALG_MAX; i++)
153 		if (esps.esps_hist[i])
154 			printf("esp packets with %s: %u\n"
155 				, algname(i, espalgs, N(espalgs))
156 				, esps.esps_hist[i]
157 			);
158 	ESPSTAT64(esps.esps_ibytes, "bytes received");
159 	ESPSTAT64(esps.esps_obytes, "bytes transmitted");
160 #undef ESPSTAT64
161 #undef ESPSTAT
162 
163 	printf("\n");
164 	if (ips.ips_in_polvio+ips.ips_out_polvio)
165 		printf("policy violations: input %u output %u\n",
166 			ips.ips_in_polvio, ips.ips_out_polvio);
167 	STAT(ips.ips_out_nosa, "no SA found %u (output)");
168 	STAT(ips.ips_out_nomem, "no memory available %u (output)");
169 	STAT(ips.ips_out_noroute, "no route available %u (output)");
170 	STAT(ips.ips_out_inval, "generic error %u (output)");
171 	STAT(ips.ips_out_bundlesa, "bundled SA processed %u (output)");
172 	printf("m_clone processing: %u mbufs + %u clusters coalesced\n",
173 		ips.ips_mbcoalesced, ips.ips_clcoalesced);
174 	printf("m_clone processing: %u clusters copied\n", ips.ips_clcopied);
175 	printf("m_makespace: %u mbufs inserted\n", ips.ips_mbinserted);
176 	printf("header position [front/middle/end]: %u/%u/%u\n",
177 		ips.ips_input_front, ips.ips_input_middle, ips.ips_input_end);
178 	return 0;
179 }
180