1 /* $OpenBSD: pfkdump.c,v 1.35 2014/01/22 09:36:04 markus Exp $ */ 2 3 /* 4 * Copyright (c) 2003 Markus Friedl. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 #include <sys/param.h> 27 #include <sys/socket.h> 28 #include <sys/time.h> 29 #include <sys/sysctl.h> 30 #include <net/pfkeyv2.h> 31 #include <netinet/ip_ipsp.h> 32 #include <netdb.h> 33 #include <string.h> 34 #include <unistd.h> 35 #include <stdlib.h> 36 #include <stdio.h> 37 #include <err.h> 38 #include <errno.h> 39 40 #include "ipsecctl.h" 41 #include "pfkey.h" 42 43 static void print_proto(struct sadb_ext *, struct sadb_msg *); 44 static void print_flow(struct sadb_ext *, struct sadb_msg *); 45 static void print_supp(struct sadb_ext *, struct sadb_msg *); 46 static void print_prop(struct sadb_ext *, struct sadb_msg *); 47 static void print_sens(struct sadb_ext *, struct sadb_msg *); 48 static void print_spir(struct sadb_ext *, struct sadb_msg *); 49 static void print_policy(struct sadb_ext *, struct sadb_msg *); 50 static void print_sa(struct sadb_ext *, struct sadb_msg *); 51 static void print_addr(struct sadb_ext *, struct sadb_msg *); 52 static void print_key(struct sadb_ext *, struct sadb_msg *); 53 static void print_life(struct sadb_ext *, struct sadb_msg *); 54 static void print_ident(struct sadb_ext *, struct sadb_msg *); 55 static void print_auth(struct sadb_ext *, struct sadb_msg *); 56 static void print_cred(struct sadb_ext *, struct sadb_msg *); 57 static void print_udpenc(struct sadb_ext *, struct sadb_msg *); 58 static void print_tag(struct sadb_ext *, struct sadb_msg *); 59 static void print_tap(struct sadb_ext *, struct sadb_msg *); 60 61 static struct idname *lookup(struct idname *, u_int32_t); 62 static char *lookup_name(struct idname *, u_int32_t); 63 static void print_ext(struct sadb_ext *, struct sadb_msg *); 64 65 void pfkey_print_raw(u_int8_t *, ssize_t); 66 static char *print_flags(uint32_t); 67 68 struct sadb_ext *extensions[SADB_EXT_MAX + 1]; 69 70 struct idname { 71 u_int32_t id; 72 char *name; 73 void (*func)(struct sadb_ext *, struct sadb_msg *); 74 }; 75 76 struct idname ext_types[] = { 77 { SADB_EXT_RESERVED, "reserved", NULL }, 78 { SADB_EXT_SA, "sa", print_sa }, 79 { SADB_EXT_LIFETIME_CURRENT, "lifetime_cur", print_life }, 80 { SADB_EXT_LIFETIME_HARD, "lifetime_hard", print_life }, 81 { SADB_EXT_LIFETIME_SOFT, "lifetime_soft", print_life }, 82 { SADB_EXT_ADDRESS_SRC, "address_src", print_addr }, 83 { SADB_EXT_ADDRESS_DST, "address_dst", print_addr }, 84 { SADB_EXT_ADDRESS_PROXY, "address_proxy", print_addr }, 85 { SADB_EXT_KEY_AUTH, "key_auth", print_key }, 86 { SADB_EXT_KEY_ENCRYPT, "key_encrypt", print_key }, 87 { SADB_EXT_IDENTITY_SRC, "identity_src", print_ident }, 88 { SADB_EXT_IDENTITY_DST, "identity_dst", print_ident }, 89 { SADB_EXT_SENSITIVITY, "sensitivity", print_sens }, 90 { SADB_EXT_PROPOSAL, "proposal", print_prop }, 91 { SADB_EXT_SUPPORTED_AUTH, "supported_auth", print_supp }, 92 { SADB_EXT_SUPPORTED_ENCRYPT, "supported_encrypt", print_supp }, 93 { SADB_EXT_SPIRANGE, "spirange", print_spir }, 94 { SADB_X_EXT_SRC_MASK, "src_mask", print_addr }, 95 { SADB_X_EXT_DST_MASK, "dst_mask", print_addr }, 96 { SADB_X_EXT_PROTOCOL, "protocol", print_proto }, 97 { SADB_X_EXT_FLOW_TYPE, "flow_type", print_flow }, 98 { SADB_X_EXT_SRC_FLOW, "src_flow", print_addr }, 99 { SADB_X_EXT_DST_FLOW, "dst_flow", print_addr }, 100 { SADB_X_EXT_SA2, "sa2", print_sa }, 101 { SADB_X_EXT_DST2, "dst2", print_addr }, 102 { SADB_X_EXT_POLICY, "policy", print_policy }, 103 { SADB_X_EXT_LOCAL_AUTH, "local_auth", print_auth }, 104 { SADB_X_EXT_SUPPORTED_COMP, "supported_comp", print_supp }, 105 { SADB_X_EXT_REMOTE_AUTH, "remote_auth", print_auth }, 106 { SADB_X_EXT_LOCAL_CREDENTIALS, "local_cred", print_cred }, 107 { SADB_X_EXT_REMOTE_CREDENTIALS,"remote_cred", print_cred }, 108 { SADB_X_EXT_UDPENCAP, "udpencap", print_udpenc }, 109 { SADB_X_EXT_LIFETIME_LASTUSE, "lifetime_lastuse", print_life }, 110 { SADB_X_EXT_TAG, "tag", print_tag }, 111 { SADB_X_EXT_TAP, "tap", print_tap }, 112 { 0, NULL, NULL } 113 }; 114 115 struct idname msg_types[] = { 116 { SADB_ACQUIRE, "sadb_acquire", NULL }, 117 { SADB_ADD, "sadb_add", NULL }, 118 { SADB_DELETE, "sadb_delete", NULL }, 119 { SADB_DUMP, "sadb_dump", NULL }, 120 { SADB_EXPIRE, "sadb_expire", NULL }, 121 { SADB_FLUSH, "sadb_flush", NULL }, 122 { SADB_GET, "sadb_get", NULL }, 123 { SADB_GETSPI, "sadb_getspi", NULL }, 124 { SADB_REGISTER, "sadb_register", NULL }, 125 { SADB_UPDATE, "sadb_update", NULL }, 126 { SADB_X_ADDFLOW, "sadb_addflow", NULL }, 127 { SADB_X_ASKPOLICY, "sadb_askpolicy", NULL }, 128 { SADB_X_DELFLOW, "sadb_delflow", NULL }, 129 { SADB_X_GRPSPIS, "sadb_grpspis", NULL }, 130 { SADB_X_PROMISC, "sadb_promisc", NULL }, 131 { 0, NULL, NULL }, 132 }; 133 134 struct idname sa_types[] = { 135 { SADB_SATYPE_UNSPEC, "unspec", NULL }, 136 { SADB_SATYPE_AH, "ah", NULL }, 137 { SADB_SATYPE_ESP, "esp", NULL }, 138 { SADB_SATYPE_RSVP, "rsvp", NULL }, 139 { SADB_SATYPE_OSPFV2, "ospfv2", NULL }, 140 { SADB_SATYPE_RIPV2, "ripv2", NULL }, 141 { SADB_SATYPE_MIP, "mip", NULL }, 142 { SADB_X_SATYPE_IPIP, "ipip", NULL }, 143 { SADB_X_SATYPE_TCPSIGNATURE, "tcpmd5", NULL }, 144 { SADB_X_SATYPE_IPCOMP, "ipcomp", NULL }, 145 { 0, NULL, NULL } 146 }; 147 148 struct idname auth_types[] = { 149 { SADB_AALG_NONE, "none", NULL }, 150 { SADB_X_AALG_DES, "des", NULL }, 151 { SADB_AALG_MD5HMAC, "hmac-md5", NULL }, 152 { SADB_X_AALG_RIPEMD160HMAC, "hmac-ripemd160", NULL }, 153 { SADB_AALG_SHA1HMAC, "hmac-sha1", NULL }, 154 { SADB_X_AALG_SHA2_256, "hmac-sha2-256", NULL }, 155 { SADB_X_AALG_SHA2_384, "hmac-sha2-384", NULL }, 156 { SADB_X_AALG_SHA2_512, "hmac-sha2-512", NULL }, 157 { SADB_X_AALG_AES128GMAC, "gmac-aes-128", NULL }, 158 { SADB_X_AALG_AES192GMAC, "gmac-aes-192", NULL }, 159 { SADB_X_AALG_AES256GMAC, "gmac-aes-256", NULL }, 160 { SADB_X_AALG_MD5, "md5", NULL }, 161 { SADB_X_AALG_SHA1, "sha1", NULL }, 162 { 0, NULL, NULL } 163 }; 164 165 struct idname cred_types[] = { 166 { SADB_X_CREDTYPE_X509, "x509-asn1", NULL }, 167 { SADB_X_CREDTYPE_KEYNOTE, "keynote", NULL }, 168 { 0, NULL, NULL } 169 }; 170 171 struct idname enc_types[] = { 172 { SADB_EALG_NONE, "none", NULL }, 173 { SADB_EALG_3DESCBC, "3des-cbc", NULL }, 174 { SADB_EALG_DESCBC, "des-cbc", NULL }, 175 { SADB_X_EALG_3IDEA, "idea3", NULL }, 176 { SADB_X_EALG_AES, "aes", NULL }, 177 { SADB_X_EALG_AESCTR, "aesctr", NULL }, 178 { SADB_X_EALG_AESGCM16, "aes-gcm", NULL }, 179 { SADB_X_EALG_AESGMAC, "aes-gmac", NULL }, 180 { SADB_X_EALG_BLF, "blowfish", NULL }, 181 { SADB_X_EALG_CAST, "cast128", NULL }, 182 { SADB_X_EALG_DES_IV32, "des-iv32", NULL }, 183 { SADB_X_EALG_DES_IV64, "des-iv64", NULL }, 184 { SADB_X_EALG_IDEA, "idea", NULL }, 185 { SADB_EALG_NULL, "null", NULL }, 186 { SADB_X_EALG_RC4, "rc4", NULL }, 187 { SADB_X_EALG_RC5, "rc5", NULL }, 188 { 0, NULL, NULL } 189 }; 190 191 struct idname comp_types[] = { 192 { SADB_X_CALG_NONE, "none", NULL }, 193 { SADB_X_CALG_OUI, "oui", NULL }, 194 { SADB_X_CALG_DEFLATE, "deflate", NULL }, 195 { SADB_X_CALG_LZS, "lzs", NULL }, 196 { 0, NULL, NULL } 197 }; 198 199 struct idname xauth_types[] = { 200 { SADB_X_AUTHTYPE_NONE, "none", NULL }, 201 { SADB_X_AUTHTYPE_PASSPHRASE, "passphrase", NULL }, 202 { SADB_X_AUTHTYPE_RSA, "rsa", NULL }, 203 { 0, NULL, NULL } 204 }; 205 206 struct idname flag_types[] = { 207 { SADB_SAFLAGS_PFS, "pfs", NULL }, 208 { SADB_X_SAFLAGS_TUNNEL, "tunnel", NULL }, 209 { SADB_X_SAFLAGS_CHAINDEL, "chaindel", NULL }, 210 { SADB_X_SAFLAGS_UDPENCAP, "udpencap", NULL }, 211 { SADB_X_SAFLAGS_ESN, "esn", NULL }, 212 { 0, NULL, NULL } 213 }; 214 215 struct idname identity_types[] = { 216 { SADB_IDENTTYPE_RESERVED, "reserved", NULL }, 217 { SADB_IDENTTYPE_PREFIX, "prefix", NULL }, 218 { SADB_IDENTTYPE_FQDN, "fqdn", NULL }, 219 { SADB_IDENTTYPE_USERFQDN, "ufqdn", NULL }, 220 { SADB_X_IDENTTYPE_CONNECTION, "x_connection", NULL }, 221 { 0, NULL, NULL } 222 }; 223 224 struct idname flow_types[] = { 225 { SADB_X_FLOW_TYPE_USE, "use", NULL }, 226 { SADB_X_FLOW_TYPE_ACQUIRE, "acquire", NULL }, 227 { SADB_X_FLOW_TYPE_REQUIRE, "require", NULL }, 228 { SADB_X_FLOW_TYPE_BYPASS, "bypass", NULL }, 229 { SADB_X_FLOW_TYPE_DENY, "deny", NULL }, 230 { SADB_X_FLOW_TYPE_DONTACQ, "dontacq", NULL }, 231 { 0, NULL, NULL } 232 }; 233 234 struct idname states[] = { 235 { SADB_SASTATE_LARVAL, "larval", NULL }, 236 { SADB_SASTATE_MATURE, "mature", NULL }, 237 { SADB_SASTATE_DYING, "dying", NULL }, 238 { SADB_SASTATE_DEAD, "dead", NULL }, 239 { 0, NULL, NULL } 240 }; 241 242 static struct idname * 243 lookup(struct idname *tab, u_int32_t id) 244 { 245 struct idname *entry; 246 247 for (entry = tab; entry->name; entry++) 248 if (entry->id == id) 249 return (entry); 250 return (NULL); 251 } 252 253 static char * 254 lookup_name(struct idname *tab, u_int32_t id) 255 { 256 struct idname *entry; 257 258 entry = lookup(tab, id); 259 return (entry ? entry->name : "unknown"); 260 } 261 262 static void 263 print_ext(struct sadb_ext *ext, struct sadb_msg *msg) 264 { 265 struct idname *entry; 266 267 if ((entry = lookup(ext_types, ext->sadb_ext_type)) == NULL) { 268 printf("unknown ext: type %u len %u\n", 269 ext->sadb_ext_type, ext->sadb_ext_len); 270 return; 271 } 272 printf("\t%s: ", entry->name); 273 if (entry->func != NULL) 274 (*entry->func)(ext, msg); 275 else 276 printf("type %u len %u", 277 ext->sadb_ext_type, ext->sadb_ext_len); 278 printf("\n"); 279 } 280 281 static char * 282 print_flags(uint32_t flags) 283 { 284 static char fstr[80]; 285 struct idname *entry; 286 size_t len; 287 int i, comma = 0; 288 289 len = snprintf(fstr, sizeof(fstr), "%#x<", flags); 290 for (i = 0; i < 32; i++) { 291 if ((flags & (1 << i)) == 0 || 292 (entry = lookup(flag_types, 1 << i)) == NULL) 293 continue; 294 len += snprintf(fstr + len, sizeof(fstr) - len - 1, 295 comma ? ",%s" : "%s", entry->name); 296 comma = 1; 297 } 298 strlcat(fstr, ">", sizeof(fstr)); 299 300 return (fstr); 301 } 302 303 static void 304 print_sa(struct sadb_ext *ext, struct sadb_msg *msg) 305 { 306 struct sadb_sa *sa = (struct sadb_sa *)ext; 307 308 if (msg->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) 309 printf("cpi 0x%8.8x comp %s\n", 310 ntohl(sa->sadb_sa_spi), 311 lookup_name(comp_types, sa->sadb_sa_encrypt)); 312 else 313 printf("spi 0x%8.8x auth %s enc %s\n", 314 ntohl(sa->sadb_sa_spi), 315 lookup_name(auth_types, sa->sadb_sa_auth), 316 lookup_name(enc_types, sa->sadb_sa_encrypt)); 317 printf("\t\tstate %s replay %u flags %s", 318 lookup_name(states, sa->sadb_sa_state), 319 sa->sadb_sa_replay, print_flags(sa->sadb_sa_flags)); 320 } 321 322 /* ARGSUSED1 */ 323 static void 324 print_addr(struct sadb_ext *ext, struct sadb_msg *msg) 325 { 326 struct sadb_address *addr = (struct sadb_address *)ext; 327 struct sockaddr *sa; 328 struct sockaddr_in *sin4; 329 struct sockaddr_in6 *sin6; 330 char hbuf[NI_MAXHOST]; 331 332 sa = (struct sockaddr *)(addr + 1); 333 if (sa->sa_family == 0) 334 printf("<any>"); 335 else if (getnameinfo(sa, sa->sa_len, hbuf, sizeof(hbuf), NULL, 0, 336 NI_NUMERICHOST)) 337 printf("<could not get numeric hostname>"); 338 else 339 printf("%s", hbuf); 340 switch (sa->sa_family) { 341 case AF_INET: 342 sin4 = (struct sockaddr_in *)sa; 343 if (sin4->sin_port) 344 printf(" port %u", ntohs(sin4->sin_port)); 345 break; 346 case AF_INET6: 347 sin6 = (struct sockaddr_in6 *)sa; 348 if (sin6->sin6_port) 349 printf(" port %u", ntohs(sin6->sin6_port)); 350 break; 351 } 352 } 353 354 /* ARGSUSED1 */ 355 static void 356 print_key(struct sadb_ext *ext, struct sadb_msg *msg) 357 { 358 struct sadb_key *key = (struct sadb_key *)ext; 359 u_int8_t *data; 360 int i; 361 362 printf("bits %u: ", key->sadb_key_bits); 363 data = (u_int8_t *)(key + 1); 364 for (i = 0; i < key->sadb_key_bits / 8; i++) { 365 printf("%2.2x", data[i]); 366 data[i] = 0x00; /* clear sensitive data */ 367 } 368 } 369 370 /* ARGSUSED1 */ 371 static void 372 print_life(struct sadb_ext *ext, struct sadb_msg *msg) 373 { 374 struct sadb_lifetime *life = (struct sadb_lifetime *)ext; 375 376 printf("alloc %u bytes %llu add %llu first %llu", 377 life->sadb_lifetime_allocations, 378 life->sadb_lifetime_bytes, 379 life->sadb_lifetime_addtime, 380 life->sadb_lifetime_usetime); 381 } 382 383 static void 384 print_proto(struct sadb_ext *ext, struct sadb_msg *msg) 385 { 386 struct sadb_protocol *proto = (struct sadb_protocol *)ext; 387 388 /* overloaded */ 389 if (msg->sadb_msg_type == SADB_X_GRPSPIS) 390 printf("satype %s flags %x", 391 lookup_name(sa_types, proto->sadb_protocol_proto), 392 proto->sadb_protocol_flags); 393 else 394 printf("proto %u flags %x", 395 proto->sadb_protocol_proto, proto->sadb_protocol_flags); 396 } 397 398 /* ARGSUSED1 */ 399 static void 400 print_flow(struct sadb_ext *ext, struct sadb_msg *msg) 401 { 402 struct sadb_protocol *proto = (struct sadb_protocol *)ext; 403 char *dir = "unknown"; 404 405 switch (proto->sadb_protocol_direction) { 406 case IPSP_DIRECTION_IN: 407 dir = "in"; 408 break; 409 case IPSP_DIRECTION_OUT: 410 dir = "out"; 411 break; 412 } 413 printf("type %s direction %s", 414 lookup_name(flow_types, proto->sadb_protocol_proto), dir); 415 } 416 417 static void 418 print_tag(struct sadb_ext *ext, struct sadb_msg *msg) 419 { 420 struct sadb_x_tag *stag = (struct sadb_x_tag *)ext; 421 char *p; 422 423 p = (char *)(stag + 1); 424 printf("%s", p); 425 } 426 427 static void 428 print_tap(struct sadb_ext *ext, struct sadb_msg *msg) 429 { 430 struct sadb_x_tap *stap = (struct sadb_x_tap *)ext; 431 432 printf("enc%u", stap->sadb_x_tap_unit); 433 } 434 435 static char * 436 alg_by_ext(u_int8_t ext_type, u_int8_t id) 437 { 438 switch (ext_type) { 439 case SADB_EXT_SUPPORTED_ENCRYPT: 440 return lookup_name(enc_types, id); 441 case SADB_EXT_SUPPORTED_AUTH: 442 return lookup_name(auth_types, id); 443 case SADB_X_EXT_SUPPORTED_COMP: 444 return lookup_name(comp_types, id); 445 default: 446 return "unknown"; 447 } 448 } 449 450 static void 451 print_alg(struct sadb_alg *alg, u_int8_t ext_type) 452 { 453 printf("\t\t%s iv %u min %u max %u", 454 alg_by_ext(ext_type, alg->sadb_alg_id), alg->sadb_alg_ivlen, 455 alg->sadb_alg_minbits, alg->sadb_alg_maxbits); 456 } 457 458 /* ARGSUSED1 */ 459 static void 460 print_supp(struct sadb_ext *ext, struct sadb_msg *msg) 461 { 462 struct sadb_supported *supported = (struct sadb_supported *)ext; 463 struct sadb_alg *alg; 464 465 printf("\n"); 466 for (alg = (struct sadb_alg *)(supported + 1); 467 (size_t)((u_int8_t *)alg - (u_int8_t *)ext) < 468 ext->sadb_ext_len * PFKEYV2_CHUNK; 469 alg++) { 470 struct sadb_alg *next = alg + 1; 471 print_alg(alg, ext->sadb_ext_type); 472 if ((size_t)((u_int8_t *)next - (u_int8_t *)ext) < 473 ext->sadb_ext_len * PFKEYV2_CHUNK) 474 printf("\n"); 475 } 476 } 477 478 /* ARGSUSED1 */ 479 static void 480 print_comb(struct sadb_comb *comb, struct sadb_msg *msg) 481 { 482 printf("\t\tauth %s min %u max %u\n" 483 "\t\tenc %s min %u max %u\n" 484 "\t\taddtime hard %llu soft %llu\n" 485 "\t\tusetime hard %llu soft %llu", 486 lookup_name(auth_types, comb->sadb_comb_auth), 487 comb->sadb_comb_auth_minbits, 488 comb->sadb_comb_auth_maxbits, 489 lookup_name(enc_types, comb->sadb_comb_encrypt), 490 comb->sadb_comb_encrypt_minbits, 491 comb->sadb_comb_encrypt_maxbits, 492 comb->sadb_comb_soft_addtime, 493 comb->sadb_comb_hard_addtime, 494 comb->sadb_comb_soft_usetime, 495 comb->sadb_comb_hard_usetime); 496 #if 0 497 comb->sadb_comb_flags, 498 comb->sadb_comb_reserved, 499 comb->sadb_comb_soft_allocations, 500 comb->sadb_comb_hard_allocations, 501 comb->sadb_comb_soft_bytes, 502 comb->sadb_comb_hard_bytes, 503 #endif 504 } 505 506 /* ARGSUSED1 */ 507 static void 508 print_prop(struct sadb_ext *ext, struct sadb_msg *msg) 509 { 510 struct sadb_prop *prop = (struct sadb_prop *)ext; 511 struct sadb_comb *comb; 512 513 printf("replay %u\n", prop->sadb_prop_replay); 514 for (comb = (struct sadb_comb *)(prop + 1); 515 (size_t)((u_int8_t *)comb - (u_int8_t *)ext) < 516 ext->sadb_ext_len * PFKEYV2_CHUNK; 517 comb++) 518 print_comb(comb, msg); 519 } 520 521 /* ARGSUSED1 */ 522 static void 523 print_sens(struct sadb_ext *ext, struct sadb_msg *msg) 524 { 525 struct sadb_sens *sens = (struct sadb_sens *)ext; 526 527 printf("dpd %u sens_level %u integ_level %u", 528 sens->sadb_sens_dpd, 529 sens->sadb_sens_sens_level, 530 sens->sadb_sens_integ_level); 531 } 532 533 /* ARGSUSED1 */ 534 static void 535 print_spir(struct sadb_ext *ext, struct sadb_msg *msg) 536 { 537 struct sadb_spirange *spirange = (struct sadb_spirange *)ext; 538 539 printf("min 0x%8.8x max 0x%8.8x", 540 spirange->sadb_spirange_min, spirange->sadb_spirange_max); 541 } 542 543 /* ARGSUSED1 */ 544 static void 545 print_ident(struct sadb_ext *ext, struct sadb_msg *msg) 546 { 547 struct sadb_ident *ident = (struct sadb_ident *)ext; 548 549 printf("type %s id %llu: %s", 550 lookup_name(identity_types, ident->sadb_ident_type), 551 ident->sadb_ident_id, (char *)(ident + 1)); 552 } 553 554 /* ARGSUSED1 */ 555 static void 556 print_auth(struct sadb_ext *ext, struct sadb_msg *msg) 557 { 558 struct sadb_x_cred *x_cred = (struct sadb_x_cred *)ext; 559 560 printf("type %s", 561 lookup_name(xauth_types, x_cred->sadb_x_cred_type)); 562 } 563 564 /* ARGSUSED1 */ 565 static void 566 print_cred(struct sadb_ext *ext, struct sadb_msg *msg) 567 { 568 struct sadb_x_cred *x_cred = (struct sadb_x_cred *)ext; 569 printf("type %s", 570 lookup_name(cred_types, x_cred->sadb_x_cred_type)); 571 } 572 573 /* ARGSUSED1 */ 574 static void 575 print_policy(struct sadb_ext *ext, struct sadb_msg *msg) 576 { 577 struct sadb_x_policy *x_policy = (struct sadb_x_policy *)ext; 578 579 printf("seq %u", x_policy->sadb_x_policy_seq); 580 } 581 582 /* ARGSUSED1 */ 583 static void 584 print_udpenc(struct sadb_ext *ext, struct sadb_msg *msg) 585 { 586 struct sadb_x_udpencap *x_udpencap = (struct sadb_x_udpencap *)ext; 587 588 printf("udpencap port %u", ntohs(x_udpencap->sadb_x_udpencap_port)); 589 } 590 591 static void 592 setup_extensions(struct sadb_msg *msg) 593 { 594 struct sadb_ext *ext; 595 596 bzero(extensions, sizeof(extensions)); 597 if (msg->sadb_msg_len == 0) 598 return; 599 for (ext = (struct sadb_ext *)(msg + 1); 600 (size_t)((u_int8_t *)ext - (u_int8_t *)msg) < 601 msg->sadb_msg_len * PFKEYV2_CHUNK && ext->sadb_ext_len > 0; 602 ext = (struct sadb_ext *)((u_int8_t *)ext + 603 ext->sadb_ext_len * PFKEYV2_CHUNK)) 604 extensions[ext->sadb_ext_type] = ext; 605 } 606 607 static void 608 parse_addr(struct sadb_ext *ext, struct ipsec_addr_wrap *ipa) 609 { 610 struct sadb_address *addr = (struct sadb_address *)ext; 611 struct sockaddr *sa; 612 613 if (addr == NULL) 614 return; 615 sa = (struct sockaddr *)(addr + 1); 616 switch (sa->sa_family) { 617 case AF_INET: 618 ipa->address.v4 = ((struct sockaddr_in *)sa)->sin_addr; 619 set_ipmask(ipa, 32); 620 break; 621 case AF_INET6: 622 ipa->address.v6 = ((struct sockaddr_in6 *)sa)->sin6_addr; 623 set_ipmask(ipa, 128); 624 break; 625 } 626 ipa->af = sa->sa_family; 627 ipa->next = NULL; 628 ipa->tail = ipa; 629 } 630 631 static void 632 parse_key(struct sadb_ext *ext, struct ipsec_key *ikey) 633 { 634 struct sadb_key *key = (struct sadb_key *)ext; 635 u_int8_t *data; 636 637 if (key == NULL) 638 return; 639 data = (u_int8_t *)(key + 1); 640 ikey->data = data; 641 ikey->len = key->sadb_key_bits / 8; 642 } 643 644 u_int32_t 645 pfkey_get_spi(struct sadb_msg *msg) 646 { 647 struct sadb_sa *sa; 648 649 setup_extensions(msg); 650 sa = (struct sadb_sa *)extensions[SADB_EXT_SA]; 651 return (ntohl(sa->sadb_sa_spi)); 652 } 653 654 /* opposite of pfkey_sa() */ 655 void 656 pfkey_print_sa(struct sadb_msg *msg, int opts) 657 { 658 int i; 659 struct ipsec_rule r; 660 struct ipsec_key enckey, authkey; 661 struct ipsec_transforms xfs; 662 struct ipsec_addr_wrap src, dst; 663 struct sadb_sa *sa; 664 665 setup_extensions(msg); 666 sa = (struct sadb_sa *)extensions[SADB_EXT_SA]; 667 bzero(&r, sizeof r); 668 r.type |= RULE_SA; 669 r.tmode = (msg->sadb_msg_satype != SADB_X_SATYPE_TCPSIGNATURE) && 670 (sa->sadb_sa_flags & SADB_X_SAFLAGS_TUNNEL) ? 671 IPSEC_TUNNEL : IPSEC_TRANSPORT; 672 r.spi = ntohl(sa->sadb_sa_spi); 673 674 switch (msg->sadb_msg_satype) { 675 case SADB_SATYPE_AH: 676 r.satype = IPSEC_AH; 677 break; 678 case SADB_SATYPE_ESP: 679 r.satype = IPSEC_ESP; 680 break; 681 case SADB_X_SATYPE_IPCOMP: 682 r.satype = IPSEC_IPCOMP; 683 break; 684 case SADB_X_SATYPE_TCPSIGNATURE: 685 r.satype = IPSEC_TCPMD5; 686 break; 687 case SADB_X_SATYPE_IPIP: 688 r.satype = IPSEC_IPIP; 689 break; 690 default: 691 return; 692 } 693 bzero(&dst, sizeof dst); 694 bzero(&src, sizeof src); 695 parse_addr(extensions[SADB_EXT_ADDRESS_SRC], &src); 696 parse_addr(extensions[SADB_EXT_ADDRESS_DST], &dst); 697 r.src = &src; 698 r.dst = &dst; 699 if (r.satype == IPSEC_IPCOMP) { 700 if (sa->sadb_sa_encrypt) { 701 bzero(&xfs, sizeof xfs); 702 r.xfs = &xfs; 703 switch (sa->sadb_sa_encrypt) { 704 case SADB_X_CALG_DEFLATE: 705 xfs.compxf = &compxfs[COMPXF_DEFLATE]; 706 break; 707 case SADB_X_CALG_LZS: 708 xfs.compxf = &compxfs[COMPXF_LZS]; 709 break; 710 } 711 } 712 } else if (r.satype == IPSEC_TCPMD5) { 713 bzero(&authkey, sizeof authkey); 714 parse_key(extensions[SADB_EXT_KEY_AUTH], &authkey); 715 r.authkey = &authkey; 716 } else if (sa->sadb_sa_encrypt || sa->sadb_sa_auth) { 717 bzero(&xfs, sizeof xfs); 718 r.xfs = &xfs; 719 if (sa->sadb_sa_encrypt) { 720 bzero(&enckey, sizeof enckey); 721 parse_key(extensions[SADB_EXT_KEY_ENCRYPT], &enckey); 722 r.enckey = &enckey; 723 724 switch (sa->sadb_sa_encrypt) { 725 case SADB_EALG_3DESCBC: 726 xfs.encxf = &encxfs[ENCXF_3DES_CBC]; 727 break; 728 case SADB_EALG_DESCBC: 729 xfs.encxf = &encxfs[ENCXF_DES_CBC]; 730 break; 731 case SADB_X_EALG_AES: 732 switch (r.enckey->len) { 733 case 192/8: 734 xfs.encxf = &encxfs[ENCXF_AES_192]; 735 break; 736 case 256/8: 737 xfs.encxf = &encxfs[ENCXF_AES_256]; 738 break; 739 default: 740 xfs.encxf = &encxfs[ENCXF_AES]; 741 break; 742 } 743 break; 744 case SADB_X_EALG_AESCTR: 745 switch (r.enckey->len) { 746 case 28: 747 xfs.encxf = &encxfs[ENCXF_AES_192_CTR]; 748 break; 749 case 36: 750 xfs.encxf = &encxfs[ENCXF_AES_256_CTR]; 751 break; 752 default: 753 xfs.encxf = &encxfs[ENCXF_AESCTR]; 754 break; 755 } 756 break; 757 case SADB_X_EALG_AESGCM16: 758 switch (r.enckey->len) { 759 case 28: 760 xfs.encxf = &encxfs[ENCXF_AES_192_GCM]; 761 break; 762 case 36: 763 xfs.encxf = &encxfs[ENCXF_AES_256_GCM]; 764 break; 765 default: 766 xfs.encxf = &encxfs[ENCXF_AES_128_GCM]; 767 break; 768 } 769 break; 770 case SADB_X_EALG_AESGMAC: 771 switch (r.enckey->len) { 772 case 28: 773 xfs.encxf = &encxfs[ENCXF_AES_192_GMAC]; 774 break; 775 case 36: 776 xfs.encxf = &encxfs[ENCXF_AES_256_GMAC]; 777 break; 778 default: 779 xfs.encxf = &encxfs[ENCXF_AES_128_GMAC]; 780 break; 781 } 782 break; 783 case SADB_X_EALG_BLF: 784 xfs.encxf = &encxfs[ENCXF_BLOWFISH]; 785 break; 786 case SADB_X_EALG_CAST: 787 xfs.encxf = &encxfs[ENCXF_CAST128]; 788 break; 789 case SADB_EALG_NULL: 790 xfs.encxf = &encxfs[ENCXF_NULL]; 791 break; 792 } 793 } 794 if (sa->sadb_sa_auth) { 795 bzero(&authkey, sizeof authkey); 796 parse_key(extensions[SADB_EXT_KEY_AUTH], &authkey); 797 r.authkey = &authkey; 798 799 switch (sa->sadb_sa_auth) { 800 case SADB_AALG_MD5HMAC: 801 xfs.authxf = &authxfs[AUTHXF_HMAC_MD5]; 802 break; 803 case SADB_X_AALG_RIPEMD160HMAC: 804 xfs.authxf = &authxfs[AUTHXF_HMAC_RIPEMD160]; 805 break; 806 case SADB_AALG_SHA1HMAC: 807 xfs.authxf = &authxfs[AUTHXF_HMAC_SHA1]; 808 break; 809 case SADB_X_AALG_SHA2_256: 810 xfs.authxf = &authxfs[AUTHXF_HMAC_SHA2_256]; 811 break; 812 case SADB_X_AALG_SHA2_384: 813 xfs.authxf = &authxfs[AUTHXF_HMAC_SHA2_384]; 814 break; 815 case SADB_X_AALG_SHA2_512: 816 xfs.authxf = &authxfs[AUTHXF_HMAC_SHA2_512]; 817 break; 818 } 819 } 820 } 821 if (!(opts & IPSECCTL_OPT_SHOWKEY)) { 822 bzero(&enckey, sizeof enckey); 823 bzero(&authkey, sizeof authkey); 824 extensions[SADB_EXT_KEY_AUTH] = NULL; 825 extensions[SADB_EXT_KEY_ENCRYPT] = NULL; 826 } 827 ipsecctl_print_rule(&r, opts); 828 829 if (opts & IPSECCTL_OPT_VERBOSE) { 830 for (i = 0; i <= SADB_EXT_MAX; i++) 831 if (extensions[i]) 832 print_ext(extensions[i], msg); 833 } 834 fflush(stdout); 835 } 836 837 /* ARGSUSED1 */ 838 void 839 pfkey_monitor_sa(struct sadb_msg *msg, int opts) 840 { 841 int i; 842 843 setup_extensions(msg); 844 845 printf("%s: satype %s vers %u len %u seq %u pid %u\n", 846 lookup_name(msg_types, msg->sadb_msg_type), 847 lookup_name(sa_types, msg->sadb_msg_satype), 848 msg->sadb_msg_version, msg->sadb_msg_len, 849 msg->sadb_msg_seq, 850 msg->sadb_msg_pid); 851 if (msg->sadb_msg_errno) 852 printf("\terrno %u: %s\n", msg->sadb_msg_errno, 853 strerror(msg->sadb_msg_errno)); 854 for (i = 0; i <= SADB_EXT_MAX; i++) 855 if (extensions[i]) 856 print_ext(extensions[i], msg); 857 fflush(stdout); 858 } 859 860 void 861 pfkey_print_raw(u_int8_t *data, ssize_t len) 862 { 863 int i; 864 const u_int8_t *sp = (const u_int8_t *)data; 865 866 printf("RAW PFKEYV2 MESSAGE:\n"); 867 for (i = 0; i < len; i++) { 868 if ((i % 8 == 0) && (i != 0)) 869 printf("\n"); 870 printf("%02x ", *sp); 871 sp++; 872 } 873 printf("\n"); 874 } 875