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", },
147 static struct val2str ipsec_espnames[] = {
148 { SADB_EALG_NONE, "none", },
149 { SADB_EALG_DESCBC, "des-cbc", },
150 { SADB_EALG_3DESCBC, "3des-cbc", },
151 { SADB_EALG_NULL, "null", },
152 { SADB_X_EALG_CAST128CBC, "cast128-cbc", },
153 { SADB_X_EALG_BLOWFISHCBC, "blowfish-cbc", },
154 #ifdef SADB_X_EALG_RIJNDAELCBC
155 { SADB_X_EALG_RIJNDAELCBC, "rijndael-cbc", },
157 #ifdef SADB_X_EALG_AESCTR
158 { SADB_X_EALG_AESCTR, "aes-ctr", },
160 #ifdef SADB_X_EALG_AESGCM16
161 { SADB_X_EALG_AESGCM16, "aes-gcm-16", },
166 static struct val2str ipsec_compnames[] = {
167 { SADB_X_CALG_NONE, "none", },
168 { SADB_X_CALG_OUI, "oui", },
169 { SADB_X_CALG_DEFLATE, "deflate", },
170 { SADB_X_CALG_LZS, "lzs", },
174 static void print_ipsecstats(const struct ipsecstat *ipsecstat);
177 print_ipsecstats(const struct ipsecstat *ipsecstat)
179 xo_open_container("ipsec-statistics");
181 #define p(f, m) if (ipsecstat->f || sflag <= 1) \
182 xo_emit(m, (uintmax_t)ipsecstat->f, plural(ipsecstat->f))
184 p(ips_in_polvio, "\t{:dropped-policy-violation/%ju} "
185 "{N:/inbound packet%s violated process security policy}\n");
186 p(ips_in_nomem, "\t{:dropped-no-memory/%ju} "
187 "{N:/inbound packet%s failed due to insufficient memory}\n");
188 p(ips_in_inval, "\t{:dropped-invalid/%ju} "
189 "{N:/invalid inbound packet%s}\n");
190 p(ips_out_polvio, "\t{:discarded-policy-violation/%ju} "
191 "{N:/outbound packet%s violated process security policy}\n");
192 p(ips_out_nosa, "\t{:discarded-no-sa/%ju} "
193 "{N:/outbound packet%s with no SA available}\n");
194 p(ips_out_nomem, "\t{:discarded-no-memory/%ju} "
195 "{N:/outbound packet%s failed due to insufficient memory}\n");
196 p(ips_out_noroute, "\t{:discarded-no-route/%ju} "
197 "{N:/outbound packet%s with no route available}\n");
198 p(ips_out_inval, "\t{:discarded-invalid/%ju} "
199 "{N:/invalid outbound packet%s}\n");
200 p(ips_out_bundlesa, "\t{:send-bundled-sa/%ju} "
201 "{N:/outbound packet%s with bundled SAs}\n");
202 p(ips_mbcoalesced, "\t{:mbufs-coalesced-during-clone/%ju} "
203 "{N:/mbuf%s coalesced during clone}\n");
204 p(ips_clcoalesced, "\t{:clusters-coalesced-during-clone/%ju} "
205 "{N:/cluster%s coalesced during clone}\n");
206 p(ips_clcopied, "\t{:clusters-copied-during-clone/%ju} "
207 "{N:/cluster%s copied during clone}\n");
208 p(ips_mbinserted, "\t{:mbufs-inserted/%ju} "
209 "{N:/mbuf%s inserted during makespace}\n");
211 xo_close_container("ipsec-statistics");
215 ipsec_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
217 struct ipsecstat ipsecstat;
219 if (strcmp(name, "ipsec6") == 0) {
220 if (fetch_stats("net.inet6.ipsec6.ipsecstats", off,&ipsecstat,
221 sizeof(ipsecstat), kread_counters) != 0)
224 if (fetch_stats("net.inet.ipsec.ipsecstats", off, &ipsecstat,
225 sizeof(ipsecstat), kread_counters) != 0)
229 xo_emit("{T:/%s}:\n", name);
231 print_ipsecstats(&ipsecstat);
235 static void print_ahstats(const struct ahstat *ahstat);
236 static void print_espstats(const struct espstat *espstat);
237 static void print_ipcompstats(const struct ipcompstat *ipcompstat);
240 * Dump IPSEC statistics structure.
243 ipsec_hist_new(const uint64_t *hist, size_t histmax,
244 const struct val2str *name, const char *title, const char *cname)
248 const struct val2str *p;
251 for (proto = 0; proto < histmax; proto++) {
252 if (hist[proto] <= 0)
256 xo_emit("\t{T:/%s histogram}:\n", title);
259 xo_open_instance(cname);
260 for (p = name; p && p->str; p++) {
261 if (p->val == (int)proto)
265 xo_emit("\t\t{k:name}: {:count/%ju}\n", p->str,
266 (uintmax_t)hist[proto]);
268 xo_emit("\t\t#{k:name/%lu}: {:count/%ju}\n",
269 (unsigned long)proto, (uintmax_t)hist[proto]);
271 xo_close_instance(cname);
274 xo_close_list(cname);
278 print_ahstats(const struct ahstat *ahstat)
280 xo_open_container("ah-statictics");
282 #define p(f, n, m) if (ahstat->f || sflag <= 1) \
283 xo_emit("\t{:" n "/%ju} {N:/" m "}\n", \
284 (uintmax_t)ahstat->f, plural(ahstat->f))
285 #define hist(f, n, t, c) \
286 ipsec_hist_new((f), sizeof(f)/sizeof(f[0]), (n), (t), (c))
288 p(ahs_hdrops, "dropped-short-header",
289 "packet%s shorter than header shows");
290 p(ahs_nopf, "dropped-bad-protocol",
291 "packet%s dropped; protocol family not supported");
292 p(ahs_notdb, "dropped-no-tdb", "packet%s dropped; no TDB");
293 p(ahs_badkcr, "dropped-bad-kcr", "packet%s dropped; bad KCR");
294 p(ahs_qfull, "dropped-queue-full", "packet%s dropped; queue full");
295 p(ahs_noxform, "dropped-no-transform",
296 "packet%s dropped; no transform");
297 p(ahs_wrap, "replay-counter-wraps", "replay counter wrap%s");
298 p(ahs_badauth, "dropped-bad-auth",
299 "packet%s dropped; bad authentication detected");
300 p(ahs_badauthl, "dropped-bad-auth-level",
301 "packet%s dropped; bad authentication length");
302 p(ahs_replay, "possile-replay-detected",
303 "possible replay packet%s detected");
304 p(ahs_input, "received-packets", "packet%s in");
305 p(ahs_output, "send-packets", "packet%s out");
306 p(ahs_invalid, "dropped-bad-tdb", "packet%s dropped; invalid TDB");
307 p(ahs_ibytes, "received-bytes", "byte%s in");
308 p(ahs_obytes, "send-bytes", "byte%s out");
309 p(ahs_toobig, "dropped-too-large",
310 "packet%s dropped; larger than IP_MAXPACKET");
311 p(ahs_pdrops, "dropped-policy-violation",
312 "packet%s blocked due to policy");
313 p(ahs_crypto, "crypto-failures", "crypto processing failure%s");
314 p(ahs_tunnel, "tunnel-failures", "tunnel sanity check failure%s");
315 hist(ahstat->ahs_hist, ipsec_ahnames,
316 "AH output", "ah-output-histogram");
320 xo_close_container("ah-statictics");
324 ah_stats(u_long off, const char *name, int family __unused, int proto __unused)
326 struct ahstat ahstat;
328 if (fetch_stats("net.inet.ah.stats", off, &ahstat,
329 sizeof(ahstat), kread_counters) != 0)
332 xo_emit("{T:/%s}:\n", name);
334 print_ahstats(&ahstat);
338 print_espstats(const struct espstat *espstat)
340 xo_open_container("esp-statictics");
341 #define p(f, n, m) if (espstat->f || sflag <= 1) \
342 xo_emit("\t{:" n "/%ju} {N:/" m "}\n", \
343 (uintmax_t)espstat->f, plural(espstat->f))
344 #define hist(f, n, t, c) \
345 ipsec_hist_new((f), sizeof(f)/sizeof(f[0]), (n), (t), (c));
347 p(esps_hdrops, "dropped-short-header",
348 "packet%s shorter than header shows");
349 p(esps_nopf, "dropped-bad-protocol",
350 "packet%s dropped; protocol family not supported");
351 p(esps_notdb, "dropped-no-tdb", "packet%s dropped; no TDB");
352 p(esps_badkcr, "dropped-bad-kcr", "packet%s dropped; bad KCR");
353 p(esps_qfull, "dropped-queue-full", "packet%s dropped; queue full");
354 p(esps_noxform, "dropped-no-transform",
355 "packet%s dropped; no transform");
356 p(esps_badilen, "dropped-bad-length", "packet%s dropped; bad ilen");
357 p(esps_wrap, "replay-counter-wraps", "replay counter wrap%s");
358 p(esps_badenc, "dropped-bad-crypto",
359 "packet%s dropped; bad encryption detected");
360 p(esps_badauth, "dropped-bad-auth",
361 "packet%s dropped; bad authentication detected");
362 p(esps_replay, "possible-replay-detected",
363 "possible replay packet%s detected");
364 p(esps_input, "received-packets", "packet%s in");
365 p(esps_output, "sent-packets", "packet%s out");
366 p(esps_invalid, "dropped-bad-tdb", "packet%s dropped; invalid TDB");
367 p(esps_ibytes, "receieve-bytes", "byte%s in");
368 p(esps_obytes, "sent-bytes", "byte%s out");
369 p(esps_toobig, "dropped-too-large",
370 "packet%s dropped; larger than IP_MAXPACKET");
371 p(esps_pdrops, "dropped-policy-violation",
372 "packet%s blocked due to policy");
373 p(esps_crypto, "crypto-failures", "crypto processing failure%s");
374 p(esps_tunnel, "tunnel-failures", "tunnel sanity check failure%s");
375 hist(espstat->esps_hist, ipsec_espnames,
376 "ESP output", "esp-output-histogram");
380 xo_close_container("esp-statictics");
384 esp_stats(u_long off, const char *name, int family __unused, int proto __unused)
386 struct espstat espstat;
388 if (fetch_stats("net.inet.esp.stats", off, &espstat,
389 sizeof(espstat), kread_counters) != 0)
392 xo_emit("{T:/%s}:\n", name);
394 print_espstats(&espstat);
398 print_ipcompstats(const struct ipcompstat *ipcompstat)
400 xo_open_container("ipcomp-statictics");
402 #define p(f, n, m) if (ipcompstat->f || sflag <= 1) \
403 xo_emit("\t{:" n "/%ju} {N:/" m "}\n", \
404 (uintmax_t)ipcompstat->f, plural(ipcompstat->f))
405 #define hist(f, n, t, c) \
406 ipsec_hist_new((f), sizeof(f)/sizeof(f[0]), (n), (t), (c));
408 p(ipcomps_hdrops, "dropped-short-header",
409 "packet%s shorter than header shows");
410 p(ipcomps_nopf, "dropped-bad-protocol",
411 "packet%s dropped; protocol family not supported");
412 p(ipcomps_notdb, "dropped-no-tdb", "packet%s dropped; no TDB");
413 p(ipcomps_badkcr, "dropped-bad-kcr", "packet%s dropped; bad KCR");
414 p(ipcomps_qfull, "dropped-queue-full", "packet%s dropped; queue full");
415 p(ipcomps_noxform, "dropped-no-transform",
416 "packet%s dropped; no transform");
417 p(ipcomps_wrap, "replay-counter-wraps", "replay counter wrap%s");
418 p(ipcomps_input, "receieve-packets", "packet%s in");
419 p(ipcomps_output, "sent-packets", "packet%s out");
420 p(ipcomps_invalid, "dropped-bad-tdb", "packet%s dropped; invalid TDB");
421 p(ipcomps_ibytes, "receieved-bytes", "byte%s in");
422 p(ipcomps_obytes, "sent-bytes", "byte%s out");
423 p(ipcomps_toobig, "dropped-too-large",
424 "packet%s dropped; larger than IP_MAXPACKET");
425 p(ipcomps_pdrops, "dropped-policy-violation",
426 "packet%s blocked due to policy");
427 p(ipcomps_crypto, "crypto-failure", "crypto processing failure%s");
428 hist(ipcompstat->ipcomps_hist, ipsec_compnames,
429 "COMP output", "comp-output-histogram");
430 p(ipcomps_threshold, "sent-uncompressed-small-packets",
431 "packet%s sent uncompressed; size < compr. algo. threshold");
432 p(ipcomps_uncompr, "sent-uncompressed-useless-packets",
433 "packet%s sent uncompressed; compression was useless");
437 xo_close_container("ipcomp-statictics");
441 ipcomp_stats(u_long off, const char *name, int family __unused,
444 struct ipcompstat ipcompstat;
446 if (fetch_stats("net.inet.ipcomp.stats", off, &ipcompstat,
447 sizeof(ipcompstat), kread_counters) != 0)
450 xo_emit("{T:/%s}:\n", name);
452 print_ipcompstats(&ipcompstat);