1 /* $KAME: ipsec.c,v 1.33 2003/07/25 09:54:32 itojun Exp $ */
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74 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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77 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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87 static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95";
91 #include <sys/cdefs.h>
92 __FBSDID("$FreeBSD$");
94 #include <sys/param.h>
95 #include <sys/queue.h>
96 #include <sys/socket.h>
97 #include <sys/socketvar.h>
99 #include <netinet/in.h>
102 #include <netipsec/ipsec.h>
103 #include <netipsec/ah_var.h>
104 #include <netipsec/esp_var.h>
105 #include <netipsec/ipcomp_var.h>
113 #include <libxo/xo.h>
122 static struct val2str ipsec_ahnames[] = {
123 { SADB_AALG_NONE, "none", },
124 { SADB_AALG_MD5HMAC, "hmac-md5", },
125 { SADB_AALG_SHA1HMAC, "hmac-sha1", },
126 { SADB_X_AALG_MD5, "md5", },
127 { SADB_X_AALG_SHA, "sha", },
128 { SADB_X_AALG_NULL, "null", },
129 #ifdef SADB_X_AALG_SHA2_256
130 { SADB_X_AALG_SHA2_256, "hmac-sha2-256", },
132 #ifdef SADB_X_AALG_SHA2_384
133 { SADB_X_AALG_SHA2_384, "hmac-sha2-384", },
135 #ifdef SADB_X_AALG_SHA2_512
136 { SADB_X_AALG_SHA2_512, "hmac-sha2-512", },
138 #ifdef SADB_X_AALG_RIPEMD160HMAC
139 { SADB_X_AALG_RIPEMD160HMAC, "hmac-ripemd160", },
141 #ifdef SADB_X_AALG_AES_XCBC_MAC
142 { SADB_X_AALG_AES_XCBC_MAC, "aes-xcbc-mac", },
144 #ifdef SADB_X_AALG_AES128GMAC
145 { SADB_X_AALG_AES128GMAC, "aes-gmac-128", },
147 #ifdef SADB_X_AALG_AES192GMAC
148 { SADB_X_AALG_AES192GMAC, "aes-gmac-192", },
150 #ifdef SADB_X_AALG_AES256GMAC
151 { SADB_X_AALG_AES256GMAC, "aes-gmac-256", },
156 static struct val2str ipsec_espnames[] = {
157 { SADB_EALG_NONE, "none", },
158 { SADB_EALG_DESCBC, "des-cbc", },
159 { SADB_EALG_3DESCBC, "3des-cbc", },
160 { SADB_EALG_NULL, "null", },
161 { SADB_X_EALG_CAST128CBC, "cast128-cbc", },
162 { SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
163 #ifdef SADB_X_EALG_RIJNDAELCBC
164 { SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
166 #ifdef SADB_X_EALG_AESCTR
167 { SADB_X_EALG_AESCTR, "aes-ctr", },
169 #ifdef SADB_X_EALG_AESGCM16
170 { SADB_X_EALG_AESGCM16, "aes-gcm-16", },
175 static struct val2str ipsec_compnames[] = {
176 { SADB_X_CALG_NONE, "none", },
177 { SADB_X_CALG_OUI, "oui", },
178 { SADB_X_CALG_DEFLATE, "deflate", },
179 { SADB_X_CALG_LZS, "lzs", },
183 static void print_ipsecstats(const struct ipsecstat *ipsecstat);
186 print_ipsecstats(const struct ipsecstat *ipsecstat)
188 xo_open_container("ipsec-statistics");
190 #define p(f, m) if (ipsecstat->f || sflag <= 1) \
191 xo_emit(m, (uintmax_t)ipsecstat->f, plural(ipsecstat->f))
193 p(ips_in_polvio, "\t{:dropped-policy-violation/%ju} "
194 "{N:/inbound packet%s violated process security policy}\n");
195 p(ips_in_nomem, "\t{:dropped-no-memory/%ju} "
196 "{N:/inbound packet%s failed due to insufficient memory}\n");
197 p(ips_in_inval, "\t{:dropped-invalid/%ju} "
198 "{N:/invalid inbound packet%s}\n");
199 p(ips_out_polvio, "\t{:discarded-policy-violation/%ju} "
200 "{N:/outbound packet%s violated process security policy}\n");
201 p(ips_out_nosa, "\t{:discarded-no-sa/%ju} "
202 "{N:/outbound packet%s with no SA available}\n");
203 p(ips_out_nomem, "\t{:discarded-no-memory/%ju} "
204 "{N:/outbound packet%s failed due to insufficient memory}\n");
205 p(ips_out_noroute, "\t{:discarded-no-route/%ju} "
206 "{N:/outbound packet%s with no route available}\n");
207 p(ips_out_inval, "\t{:discarded-invalid/%ju} "
208 "{N:/invalid outbound packet%s}\n");
209 p(ips_out_bundlesa, "\t{:send-bundled-sa/%ju} "
210 "{N:/outbound packet%s with bundled SAs}\n");
211 p(ips_mbcoalesced, "\t{:mbufs-coalesced-during-clone/%ju} "
212 "{N:/mbuf%s coalesced during clone}\n");
213 p(ips_clcoalesced, "\t{:clusters-coalesced-during-clone/%ju} "
214 "{N:/cluster%s coalesced during clone}\n");
215 p(ips_clcopied, "\t{:clusters-copied-during-clone/%ju} "
216 "{N:/cluster%s copied during clone}\n");
217 p(ips_mbinserted, "\t{:mbufs-inserted/%ju} "
218 "{N:/mbuf%s inserted during makespace}\n");
220 xo_close_container("ipsec-statistics");
224 ipsec_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
226 struct ipsecstat ipsecstat;
228 if (strcmp(name, "ipsec6") == 0) {
229 if (fetch_stats("net.inet6.ipsec6.ipsecstats", off,&ipsecstat,
230 sizeof(ipsecstat), kread_counters) != 0)
233 if (fetch_stats("net.inet.ipsec.ipsecstats", off, &ipsecstat,
234 sizeof(ipsecstat), kread_counters) != 0)
238 xo_emit("{T:/%s}:\n", name);
240 print_ipsecstats(&ipsecstat);
244 static void print_ahstats(const struct ahstat *ahstat);
245 static void print_espstats(const struct espstat *espstat);
246 static void print_ipcompstats(const struct ipcompstat *ipcompstat);
249 * Dump IPSEC statistics structure.
252 ipsec_hist_new(const uint64_t *hist, size_t histmax,
253 const struct val2str *name, const char *title, const char *cname)
257 const struct val2str *p;
260 for (proto = 0; proto < histmax; proto++) {
261 if (hist[proto] <= 0)
265 xo_emit("\t{T:/%s histogram}:\n", title);
268 xo_open_instance(cname);
269 for (p = name; p && p->str; p++) {
270 if (p->val == (int)proto)
274 xo_emit("\t\t{k:name}: {:count/%ju}\n", p->str,
275 (uintmax_t)hist[proto]);
277 xo_emit("\t\t#{k:name/%lu}: {:count/%ju}\n",
278 (unsigned long)proto, (uintmax_t)hist[proto]);
280 xo_close_instance(cname);
283 xo_close_list(cname);
287 print_ahstats(const struct ahstat *ahstat)
289 xo_open_container("ah-statictics");
291 #define p(f, n, m) if (ahstat->f || sflag <= 1) \
292 xo_emit("\t{:" n "/%ju} {N:/" m "}\n", \
293 (uintmax_t)ahstat->f, plural(ahstat->f))
294 #define hist(f, n, t, c) \
295 ipsec_hist_new((f), sizeof(f)/sizeof(f[0]), (n), (t), (c))
297 p(ahs_hdrops, "dropped-short-header",
298 "packet%s shorter than header shows");
299 p(ahs_nopf, "dropped-bad-protocol",
300 "packet%s dropped; protocol family not supported");
301 p(ahs_notdb, "dropped-no-tdb", "packet%s dropped; no TDB");
302 p(ahs_badkcr, "dropped-bad-kcr", "packet%s dropped; bad KCR");
303 p(ahs_qfull, "dropped-queue-full", "packet%s dropped; queue full");
304 p(ahs_noxform, "dropped-no-transform",
305 "packet%s dropped; no transform");
306 p(ahs_wrap, "replay-counter-wraps", "replay counter wrap%s");
307 p(ahs_badauth, "dropped-bad-auth",
308 "packet%s dropped; bad authentication detected");
309 p(ahs_badauthl, "dropped-bad-auth-level",
310 "packet%s dropped; bad authentication length");
311 p(ahs_replay, "possile-replay-detected",
312 "possible replay packet%s detected");
313 p(ahs_input, "received-packets", "packet%s in");
314 p(ahs_output, "send-packets", "packet%s out");
315 p(ahs_invalid, "dropped-bad-tdb", "packet%s dropped; invalid TDB");
316 p(ahs_ibytes, "received-bytes", "byte%s in");
317 p(ahs_obytes, "send-bytes", "byte%s out");
318 p(ahs_toobig, "dropped-too-large",
319 "packet%s dropped; larger than IP_MAXPACKET");
320 p(ahs_pdrops, "dropped-policy-violation",
321 "packet%s blocked due to policy");
322 p(ahs_crypto, "crypto-failures", "crypto processing failure%s");
323 p(ahs_tunnel, "tunnel-failures", "tunnel sanity check failure%s");
324 hist(ahstat->ahs_hist, ipsec_ahnames,
325 "AH output", "ah-output-histogram");
329 xo_close_container("ah-statictics");
333 ah_stats(u_long off, const char *name, int family __unused, int proto __unused)
335 struct ahstat ahstat;
337 if (fetch_stats("net.inet.ah.stats", off, &ahstat,
338 sizeof(ahstat), kread_counters) != 0)
341 xo_emit("{T:/%s}:\n", name);
343 print_ahstats(&ahstat);
347 print_espstats(const struct espstat *espstat)
349 xo_open_container("esp-statictics");
350 #define p(f, n, m) if (espstat->f || sflag <= 1) \
351 xo_emit("\t{:" n "/%ju} {N:/" m "}\n", \
352 (uintmax_t)espstat->f, plural(espstat->f))
353 #define hist(f, n, t, c) \
354 ipsec_hist_new((f), sizeof(f)/sizeof(f[0]), (n), (t), (c));
356 p(esps_hdrops, "dropped-short-header",
357 "packet%s shorter than header shows");
358 p(esps_nopf, "dropped-bad-protocol",
359 "packet%s dropped; protocol family not supported");
360 p(esps_notdb, "dropped-no-tdb", "packet%s dropped; no TDB");
361 p(esps_badkcr, "dropped-bad-kcr", "packet%s dropped; bad KCR");
362 p(esps_qfull, "dropped-queue-full", "packet%s dropped; queue full");
363 p(esps_noxform, "dropped-no-transform",
364 "packet%s dropped; no transform");
365 p(esps_badilen, "dropped-bad-length", "packet%s dropped; bad ilen");
366 p(esps_wrap, "replay-counter-wraps", "replay counter wrap%s");
367 p(esps_badenc, "dropped-bad-crypto",
368 "packet%s dropped; bad encryption detected");
369 p(esps_badauth, "dropped-bad-auth",
370 "packet%s dropped; bad authentication detected");
371 p(esps_replay, "possible-replay-detected",
372 "possible replay packet%s detected");
373 p(esps_input, "received-packets", "packet%s in");
374 p(esps_output, "sent-packets", "packet%s out");
375 p(esps_invalid, "dropped-bad-tdb", "packet%s dropped; invalid TDB");
376 p(esps_ibytes, "receieve-bytes", "byte%s in");
377 p(esps_obytes, "sent-bytes", "byte%s out");
378 p(esps_toobig, "dropped-too-large",
379 "packet%s dropped; larger than IP_MAXPACKET");
380 p(esps_pdrops, "dropped-policy-violation",
381 "packet%s blocked due to policy");
382 p(esps_crypto, "crypto-failures", "crypto processing failure%s");
383 p(esps_tunnel, "tunnel-failures", "tunnel sanity check failure%s");
384 hist(espstat->esps_hist, ipsec_espnames,
385 "ESP output", "esp-output-histogram");
389 xo_close_container("esp-statictics");
393 esp_stats(u_long off, const char *name, int family __unused, int proto __unused)
395 struct espstat espstat;
397 if (fetch_stats("net.inet.esp.stats", off, &espstat,
398 sizeof(espstat), kread_counters) != 0)
401 xo_emit("{T:/%s}:\n", name);
403 print_espstats(&espstat);
407 print_ipcompstats(const struct ipcompstat *ipcompstat)
409 xo_open_container("ipcomp-statictics");
411 #define p(f, n, m) if (ipcompstat->f || sflag <= 1) \
412 xo_emit("\t{:" n "/%ju} {N:/" m "}\n", \
413 (uintmax_t)ipcompstat->f, plural(ipcompstat->f))
414 #define hist(f, n, t, c) \
415 ipsec_hist_new((f), sizeof(f)/sizeof(f[0]), (n), (t), (c));
417 p(ipcomps_hdrops, "dropped-short-header",
418 "packet%s shorter than header shows");
419 p(ipcomps_nopf, "dropped-bad-protocol",
420 "packet%s dropped; protocol family not supported");
421 p(ipcomps_notdb, "dropped-no-tdb", "packet%s dropped; no TDB");
422 p(ipcomps_badkcr, "dropped-bad-kcr", "packet%s dropped; bad KCR");
423 p(ipcomps_qfull, "dropped-queue-full", "packet%s dropped; queue full");
424 p(ipcomps_noxform, "dropped-no-transform",
425 "packet%s dropped; no transform");
426 p(ipcomps_wrap, "replay-counter-wraps", "replay counter wrap%s");
427 p(ipcomps_input, "receieve-packets", "packet%s in");
428 p(ipcomps_output, "sent-packets", "packet%s out");
429 p(ipcomps_invalid, "dropped-bad-tdb", "packet%s dropped; invalid TDB");
430 p(ipcomps_ibytes, "receieved-bytes", "byte%s in");
431 p(ipcomps_obytes, "sent-bytes", "byte%s out");
432 p(ipcomps_toobig, "dropped-too-large",
433 "packet%s dropped; larger than IP_MAXPACKET");
434 p(ipcomps_pdrops, "dropped-policy-violation",
435 "packet%s blocked due to policy");
436 p(ipcomps_crypto, "crypto-failure", "crypto processing failure%s");
437 hist(ipcompstat->ipcomps_hist, ipsec_compnames,
438 "COMP output", "comp-output-histogram");
439 p(ipcomps_threshold, "sent-uncompressed-small-packets",
440 "packet%s sent uncompressed; size < compr. algo. threshold");
441 p(ipcomps_uncompr, "sent-uncompressed-useless-packets",
442 "packet%s sent uncompressed; compression was useless");
446 xo_close_container("ipcomp-statictics");
450 ipcomp_stats(u_long off, const char *name, int family __unused,
453 struct ipcompstat ipcompstat;
455 if (fetch_stats("net.inet.ipcomp.stats", off, &ipcompstat,
456 sizeof(ipcompstat), kread_counters) != 0)
459 xo_emit("{T:/%s}:\n", name);
461 print_ipcompstats(&ipcompstat);