1 /* $KAME: ipsec.c,v 1.33 2003/07/25 09:54:32 itojun Exp $ */
4 * SPDX-License-Identifier: BSD-3-Clause
6 * Copyright (c) 2005 NTT Multimedia Communications Laboratories, Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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
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19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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35 * modification, are permitted provided that the following conditions
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63 * modification, are permitted provided that the following conditions
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76 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
77 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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79 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
80 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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89 static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95";
93 #include <sys/cdefs.h>
94 __FBSDID("$FreeBSD$");
96 #include <sys/param.h>
97 #include <sys/queue.h>
98 #include <sys/socket.h>
99 #include <sys/socketvar.h>
101 #include <netinet/in.h>
104 #include <netipsec/ipsec.h>
105 #include <netipsec/ah_var.h>
106 #include <netipsec/esp_var.h>
107 #include <netipsec/ipcomp_var.h>
115 #include <libxo/xo.h>
124 static struct val2str ipsec_ahnames[] = {
125 { SADB_AALG_NONE, "none", },
126 { SADB_AALG_MD5HMAC, "hmac-md5", },
127 { SADB_AALG_SHA1HMAC, "hmac-sha1", },
128 { SADB_X_AALG_MD5, "keyed-md5", },
129 { SADB_X_AALG_SHA, "keyed-sha1", },
130 { SADB_X_AALG_NULL, "null", },
131 { SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
132 { SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
133 { SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
134 { SADB_X_AALG_RIPEMD160HMAC, "hmac-ripemd160", },
135 { SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", },
136 { SADB_X_AALG_TCP_MD5, "tcp-md5", },
137 { SADB_X_AALG_AES128GMAC, "aes-gmac-128", },
138 { SADB_X_AALG_AES192GMAC, "aes-gmac-192", },
139 { SADB_X_AALG_AES256GMAC, "aes-gmac-256", },
143 static struct val2str ipsec_espnames[] = {
144 { SADB_EALG_NONE, "none", },
145 { SADB_EALG_DESCBC, "des-cbc", },
146 { SADB_EALG_3DESCBC, "3des-cbc", },
147 { SADB_EALG_NULL, "null", },
148 { SADB_X_EALG_CAST128CBC, "cast128-cbc", },
149 { SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
150 { SADB_X_EALG_AESCBC, "aes-cbc", },
151 { SADB_X_EALG_CAMELLIACBC, "camellia-cbc", },
152 { SADB_X_EALG_AESCTR, "aes-ctr", },
153 { SADB_X_EALG_AESGCM16, "aes-gcm-16", },
154 { SADB_X_EALG_AESGMAC, "aes-gmac", },
158 static struct val2str ipsec_compnames[] = {
159 { SADB_X_CALG_NONE, "none", },
160 { SADB_X_CALG_OUI, "oui", },
161 { SADB_X_CALG_DEFLATE, "deflate", },
162 { SADB_X_CALG_LZS, "lzs", },
166 static void print_ipsecstats(const struct ipsecstat *ipsecstat);
169 print_ipsecstats(const struct ipsecstat *ipsecstat)
171 xo_open_container("ipsec-statistics");
173 #define p(f, m) if (ipsecstat->f || sflag <= 1) \
174 xo_emit(m, (uintmax_t)ipsecstat->f, plural(ipsecstat->f))
175 #define p2(f, m) if (ipsecstat->f || sflag <= 1) \
176 xo_emit(m, (uintmax_t)ipsecstat->f, plurales(ipsecstat->f))
178 p(ips_in_polvio, "\t{:dropped-policy-violation/%ju} "
179 "{N:/inbound packet%s violated process security policy}\n");
180 p(ips_in_nomem, "\t{:dropped-no-memory/%ju} "
181 "{N:/inbound packet%s failed due to insufficient memory}\n");
182 p(ips_in_inval, "\t{:dropped-invalid/%ju} "
183 "{N:/invalid inbound packet%s}\n");
184 p(ips_out_polvio, "\t{:discarded-policy-violation/%ju} "
185 "{N:/outbound packet%s violated process security policy}\n");
186 p(ips_out_nosa, "\t{:discarded-no-sa/%ju} "
187 "{N:/outbound packet%s with no SA available}\n");
188 p(ips_out_nomem, "\t{:discarded-no-memory/%ju} "
189 "{N:/outbound packet%s failed due to insufficient memory}\n");
190 p(ips_out_noroute, "\t{:discarded-no-route/%ju} "
191 "{N:/outbound packet%s with no route available}\n");
192 p(ips_out_inval, "\t{:discarded-invalid/%ju} "
193 "{N:/invalid outbound packet%s}\n");
194 p(ips_out_bundlesa, "\t{:send-bundled-sa/%ju} "
195 "{N:/outbound packet%s with bundled SAs}\n");
196 p(ips_spdcache_hits, "\t{:spdcache-hits/%ju} "
197 "{N:/spd cache hit%s}\n");
198 p2(ips_spdcache_misses, "\t{:spdcache-misses/%ju} "
199 "{N:/spd cache miss%s}\n");
200 p(ips_clcopied, "\t{:clusters-copied-during-clone/%ju} "
201 "{N:/cluster%s copied during clone}\n");
202 p(ips_mbinserted, "\t{:mbufs-inserted/%ju} "
203 "{N:/mbuf%s inserted during makespace}\n");
206 xo_close_container("ipsec-statistics");
210 ipsec_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
212 struct ipsecstat ipsecstat;
214 if (strcmp(name, "ipsec6") == 0) {
215 if (fetch_stats("net.inet6.ipsec6.ipsecstats", off,&ipsecstat,
216 sizeof(ipsecstat), kread_counters) != 0)
219 if (fetch_stats("net.inet.ipsec.ipsecstats", off, &ipsecstat,
220 sizeof(ipsecstat), kread_counters) != 0)
224 xo_emit("{T:/%s}:\n", name);
226 print_ipsecstats(&ipsecstat);
230 static void print_ahstats(const struct ahstat *ahstat);
231 static void print_espstats(const struct espstat *espstat);
232 static void print_ipcompstats(const struct ipcompstat *ipcompstat);
235 * Dump IPSEC statistics structure.
238 ipsec_hist_new(const uint64_t *hist, size_t histmax,
239 const struct val2str *name, const char *title, const char *cname)
243 const struct val2str *p;
246 for (proto = 0; proto < histmax; proto++) {
247 if (hist[proto] <= 0)
251 xo_emit("\t{T:/%s histogram}:\n", title);
254 xo_open_instance(cname);
255 for (p = name; p && p->str; p++) {
256 if (p->val == (int)proto)
260 xo_emit("\t\t{k:name}: {:count/%ju}\n", p->str,
261 (uintmax_t)hist[proto]);
263 xo_emit("\t\t#{k:name/%lu}: {:count/%ju}\n",
264 (unsigned long)proto, (uintmax_t)hist[proto]);
266 xo_close_instance(cname);
269 xo_close_list(cname);
273 print_ahstats(const struct ahstat *ahstat)
275 xo_open_container("ah-statictics");
277 #define p(f, n, m) if (ahstat->f || sflag <= 1) \
278 xo_emit("\t{:" n "/%ju} {N:/" m "}\n", \
279 (uintmax_t)ahstat->f, plural(ahstat->f))
280 #define hist(f, n, t, c) \
281 ipsec_hist_new((f), sizeof(f)/sizeof(f[0]), (n), (t), (c))
283 p(ahs_hdrops, "dropped-short-header",
284 "packet%s shorter than header shows");
285 p(ahs_nopf, "dropped-bad-protocol",
286 "packet%s dropped; protocol family not supported");
287 p(ahs_notdb, "dropped-no-tdb", "packet%s dropped; no TDB");
288 p(ahs_badkcr, "dropped-bad-kcr", "packet%s dropped; bad KCR");
289 p(ahs_qfull, "dropped-queue-full", "packet%s dropped; queue full");
290 p(ahs_noxform, "dropped-no-transform",
291 "packet%s dropped; no transform");
292 p(ahs_wrap, "replay-counter-wraps", "replay counter wrap%s");
293 p(ahs_badauth, "dropped-bad-auth",
294 "packet%s dropped; bad authentication detected");
295 p(ahs_badauthl, "dropped-bad-auth-level",
296 "packet%s dropped; bad authentication length");
297 p(ahs_replay, "possile-replay-detected",
298 "possible replay packet%s detected");
299 p(ahs_input, "received-packets", "packet%s in");
300 p(ahs_output, "send-packets", "packet%s out");
301 p(ahs_invalid, "dropped-bad-tdb", "packet%s dropped; invalid TDB");
302 p(ahs_ibytes, "received-bytes", "byte%s in");
303 p(ahs_obytes, "send-bytes", "byte%s out");
304 p(ahs_toobig, "dropped-too-large",
305 "packet%s dropped; larger than IP_MAXPACKET");
306 p(ahs_pdrops, "dropped-policy-violation",
307 "packet%s blocked due to policy");
308 p(ahs_crypto, "crypto-failures", "crypto processing failure%s");
309 p(ahs_tunnel, "tunnel-failures", "tunnel sanity check failure%s");
310 hist(ahstat->ahs_hist, ipsec_ahnames,
311 "AH output", "ah-output-histogram");
315 xo_close_container("ah-statictics");
319 ah_stats(u_long off, const char *name, int family __unused, int proto __unused)
321 struct ahstat ahstat;
323 if (fetch_stats("net.inet.ah.stats", off, &ahstat,
324 sizeof(ahstat), kread_counters) != 0)
327 xo_emit("{T:/%s}:\n", name);
329 print_ahstats(&ahstat);
333 print_espstats(const struct espstat *espstat)
335 xo_open_container("esp-statictics");
336 #define p(f, n, m) if (espstat->f || sflag <= 1) \
337 xo_emit("\t{:" n "/%ju} {N:/" m "}\n", \
338 (uintmax_t)espstat->f, plural(espstat->f))
339 #define hist(f, n, t, c) \
340 ipsec_hist_new((f), sizeof(f)/sizeof(f[0]), (n), (t), (c));
342 p(esps_hdrops, "dropped-short-header",
343 "packet%s shorter than header shows");
344 p(esps_nopf, "dropped-bad-protocol",
345 "packet%s dropped; protocol family not supported");
346 p(esps_notdb, "dropped-no-tdb", "packet%s dropped; no TDB");
347 p(esps_badkcr, "dropped-bad-kcr", "packet%s dropped; bad KCR");
348 p(esps_qfull, "dropped-queue-full", "packet%s dropped; queue full");
349 p(esps_noxform, "dropped-no-transform",
350 "packet%s dropped; no transform");
351 p(esps_badilen, "dropped-bad-length", "packet%s dropped; bad ilen");
352 p(esps_wrap, "replay-counter-wraps", "replay counter wrap%s");
353 p(esps_badenc, "dropped-bad-crypto",
354 "packet%s dropped; bad encryption detected");
355 p(esps_badauth, "dropped-bad-auth",
356 "packet%s dropped; bad authentication detected");
357 p(esps_replay, "possible-replay-detected",
358 "possible replay packet%s detected");
359 p(esps_input, "received-packets", "packet%s in");
360 p(esps_output, "sent-packets", "packet%s out");
361 p(esps_invalid, "dropped-bad-tdb", "packet%s dropped; invalid TDB");
362 p(esps_ibytes, "receieve-bytes", "byte%s in");
363 p(esps_obytes, "sent-bytes", "byte%s out");
364 p(esps_toobig, "dropped-too-large",
365 "packet%s dropped; larger than IP_MAXPACKET");
366 p(esps_pdrops, "dropped-policy-violation",
367 "packet%s blocked due to policy");
368 p(esps_crypto, "crypto-failures", "crypto processing failure%s");
369 p(esps_tunnel, "tunnel-failures", "tunnel sanity check failure%s");
370 hist(espstat->esps_hist, ipsec_espnames,
371 "ESP output", "esp-output-histogram");
375 xo_close_container("esp-statictics");
379 esp_stats(u_long off, const char *name, int family __unused, int proto __unused)
381 struct espstat espstat;
383 if (fetch_stats("net.inet.esp.stats", off, &espstat,
384 sizeof(espstat), kread_counters) != 0)
387 xo_emit("{T:/%s}:\n", name);
389 print_espstats(&espstat);
393 print_ipcompstats(const struct ipcompstat *ipcompstat)
395 xo_open_container("ipcomp-statictics");
397 #define p(f, n, m) if (ipcompstat->f || sflag <= 1) \
398 xo_emit("\t{:" n "/%ju} {N:/" m "}\n", \
399 (uintmax_t)ipcompstat->f, plural(ipcompstat->f))
400 #define hist(f, n, t, c) \
401 ipsec_hist_new((f), sizeof(f)/sizeof(f[0]), (n), (t), (c));
403 p(ipcomps_hdrops, "dropped-short-header",
404 "packet%s shorter than header shows");
405 p(ipcomps_nopf, "dropped-bad-protocol",
406 "packet%s dropped; protocol family not supported");
407 p(ipcomps_notdb, "dropped-no-tdb", "packet%s dropped; no TDB");
408 p(ipcomps_badkcr, "dropped-bad-kcr", "packet%s dropped; bad KCR");
409 p(ipcomps_qfull, "dropped-queue-full", "packet%s dropped; queue full");
410 p(ipcomps_noxform, "dropped-no-transform",
411 "packet%s dropped; no transform");
412 p(ipcomps_wrap, "replay-counter-wraps", "replay counter wrap%s");
413 p(ipcomps_input, "receieve-packets", "packet%s in");
414 p(ipcomps_output, "sent-packets", "packet%s out");
415 p(ipcomps_invalid, "dropped-bad-tdb", "packet%s dropped; invalid TDB");
416 p(ipcomps_ibytes, "receieved-bytes", "byte%s in");
417 p(ipcomps_obytes, "sent-bytes", "byte%s out");
418 p(ipcomps_toobig, "dropped-too-large",
419 "packet%s dropped; larger than IP_MAXPACKET");
420 p(ipcomps_pdrops, "dropped-policy-violation",
421 "packet%s blocked due to policy");
422 p(ipcomps_crypto, "crypto-failure", "crypto processing failure%s");
423 hist(ipcompstat->ipcomps_hist, ipsec_compnames,
424 "COMP output", "comp-output-histogram");
425 p(ipcomps_threshold, "sent-uncompressed-small-packets",
426 "packet%s sent uncompressed; size < compr. algo. threshold");
427 p(ipcomps_uncompr, "sent-uncompressed-useless-packets",
428 "packet%s sent uncompressed; compression was useless");
432 xo_close_container("ipcomp-statictics");
436 ipcomp_stats(u_long off, const char *name, int family __unused,
439 struct ipcompstat ipcompstat;
441 if (fetch_stats("net.inet.ipcomp.stats", off, &ipcompstat,
442 sizeof(ipcompstat), kread_counters) != 0)
445 xo_emit("{T:/%s}:\n", name);
447 print_ipcompstats(&ipcompstat);