1 /* $OpenBSD: pfkdump.c,v 1.33 2012/07/05 09:02:20 mikeb 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_HALFIV, "halfiv", NULL }, 209 { SADB_X_SAFLAGS_TUNNEL, "tunnel", NULL }, 210 { SADB_X_SAFLAGS_CHAINDEL, "chaindel", NULL }, 211 { SADB_X_SAFLAGS_RANDOMPADDING, "randpad", NULL }, 212 { SADB_X_SAFLAGS_NOREPLAY, "noreplay", NULL }, 213 { SADB_X_SAFLAGS_UDPENCAP, "udpencap", NULL }, 214 { SADB_X_SAFLAGS_ESN, "esn", NULL }, 215 { 0, NULL, NULL } 216 }; 217 218 struct idname identity_types[] = { 219 { SADB_IDENTTYPE_RESERVED, "reserved", NULL }, 220 { SADB_IDENTTYPE_PREFIX, "prefix", NULL }, 221 { SADB_IDENTTYPE_FQDN, "fqdn", NULL }, 222 { SADB_IDENTTYPE_USERFQDN, "ufqdn", NULL }, 223 { SADB_X_IDENTTYPE_CONNECTION, "x_connection", NULL }, 224 { 0, NULL, NULL } 225 }; 226 227 struct idname flow_types[] = { 228 { SADB_X_FLOW_TYPE_USE, "use", NULL }, 229 { SADB_X_FLOW_TYPE_ACQUIRE, "acquire", NULL }, 230 { SADB_X_FLOW_TYPE_REQUIRE, "require", NULL }, 231 { SADB_X_FLOW_TYPE_BYPASS, "bypass", NULL }, 232 { SADB_X_FLOW_TYPE_DENY, "deny", NULL }, 233 { SADB_X_FLOW_TYPE_DONTACQ, "dontacq", NULL }, 234 { 0, NULL, NULL } 235 }; 236 237 struct idname states[] = { 238 { SADB_SASTATE_LARVAL, "larval", NULL }, 239 { SADB_SASTATE_MATURE, "mature", NULL }, 240 { SADB_SASTATE_DYING, "dying", NULL }, 241 { SADB_SASTATE_DEAD, "dead", NULL }, 242 { 0, NULL, NULL } 243 }; 244 245 static struct idname * 246 lookup(struct idname *tab, u_int32_t id) 247 { 248 struct idname *entry; 249 250 for (entry = tab; entry->name; entry++) 251 if (entry->id == id) 252 return (entry); 253 return (NULL); 254 } 255 256 static char * 257 lookup_name(struct idname *tab, u_int32_t id) 258 { 259 struct idname *entry; 260 261 entry = lookup(tab, id); 262 return (entry ? entry->name : "unknown"); 263 } 264 265 static void 266 print_ext(struct sadb_ext *ext, struct sadb_msg *msg) 267 { 268 struct idname *entry; 269 270 if ((entry = lookup(ext_types, ext->sadb_ext_type)) == NULL) { 271 printf("unknown ext: type %u len %u\n", 272 ext->sadb_ext_type, ext->sadb_ext_len); 273 return; 274 } 275 printf("\t%s: ", entry->name); 276 if (entry->func != NULL) 277 (*entry->func)(ext, msg); 278 else 279 printf("type %u len %u", 280 ext->sadb_ext_type, ext->sadb_ext_len); 281 printf("\n"); 282 } 283 284 static char * 285 print_flags(uint32_t flags) 286 { 287 static char fstr[80]; 288 struct idname *entry; 289 size_t len; 290 int i, comma = 0; 291 292 len = snprintf(fstr, sizeof(fstr), "%#x<", flags); 293 for (i = 0; i < 32; i++) { 294 if ((flags & (1 << i)) == 0 || 295 (entry = lookup(flag_types, 1 << i)) == NULL) 296 continue; 297 len += snprintf(fstr + len, sizeof(fstr) - len - 1, 298 comma ? ",%s" : "%s", entry->name); 299 comma = 1; 300 } 301 strlcat(fstr, ">", sizeof(fstr)); 302 303 return (fstr); 304 } 305 306 static void 307 print_sa(struct sadb_ext *ext, struct sadb_msg *msg) 308 { 309 struct sadb_sa *sa = (struct sadb_sa *)ext; 310 311 if (msg->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) 312 printf("cpi 0x%8.8x comp %s\n", 313 ntohl(sa->sadb_sa_spi), 314 lookup_name(comp_types, sa->sadb_sa_encrypt)); 315 else 316 printf("spi 0x%8.8x auth %s enc %s\n", 317 ntohl(sa->sadb_sa_spi), 318 lookup_name(auth_types, sa->sadb_sa_auth), 319 lookup_name(enc_types, sa->sadb_sa_encrypt)); 320 printf("\t\tstate %s replay %u flags %s", 321 lookup_name(states, sa->sadb_sa_state), 322 sa->sadb_sa_replay, print_flags(sa->sadb_sa_flags)); 323 } 324 325 /* ARGSUSED1 */ 326 static void 327 print_addr(struct sadb_ext *ext, struct sadb_msg *msg) 328 { 329 struct sadb_address *addr = (struct sadb_address *)ext; 330 struct sockaddr *sa; 331 struct sockaddr_in *sin4; 332 struct sockaddr_in6 *sin6; 333 char hbuf[NI_MAXHOST]; 334 335 sa = (struct sockaddr *)(addr + 1); 336 if (sa->sa_family == 0) 337 printf("<any>"); 338 else if (getnameinfo(sa, sa->sa_len, hbuf, sizeof(hbuf), NULL, 0, 339 NI_NUMERICHOST)) 340 printf("<could not get numeric hostname>"); 341 else 342 printf("%s", hbuf); 343 switch (sa->sa_family) { 344 case AF_INET: 345 sin4 = (struct sockaddr_in *)sa; 346 if (sin4->sin_port) 347 printf(" port %u", ntohs(sin4->sin_port)); 348 break; 349 case AF_INET6: 350 sin6 = (struct sockaddr_in6 *)sa; 351 if (sin6->sin6_port) 352 printf(" port %u", ntohs(sin6->sin6_port)); 353 break; 354 } 355 } 356 357 /* ARGSUSED1 */ 358 static void 359 print_key(struct sadb_ext *ext, struct sadb_msg *msg) 360 { 361 struct sadb_key *key = (struct sadb_key *)ext; 362 u_int8_t *data; 363 int i; 364 365 printf("bits %u: ", key->sadb_key_bits); 366 data = (u_int8_t *)(key + 1); 367 for (i = 0; i < key->sadb_key_bits / 8; i++) { 368 printf("%2.2x", data[i]); 369 data[i] = 0x00; /* clear sensitive data */ 370 } 371 } 372 373 /* ARGSUSED1 */ 374 static void 375 print_life(struct sadb_ext *ext, struct sadb_msg *msg) 376 { 377 struct sadb_lifetime *life = (struct sadb_lifetime *)ext; 378 379 printf("alloc %u bytes %llu add %llu first %llu", 380 life->sadb_lifetime_allocations, 381 life->sadb_lifetime_bytes, 382 life->sadb_lifetime_addtime, 383 life->sadb_lifetime_usetime); 384 } 385 386 static void 387 print_proto(struct sadb_ext *ext, struct sadb_msg *msg) 388 { 389 struct sadb_protocol *proto = (struct sadb_protocol *)ext; 390 391 /* overloaded */ 392 if (msg->sadb_msg_type == SADB_X_GRPSPIS) 393 printf("satype %s flags %x", 394 lookup_name(sa_types, proto->sadb_protocol_proto), 395 proto->sadb_protocol_flags); 396 else 397 printf("proto %u flags %x", 398 proto->sadb_protocol_proto, proto->sadb_protocol_flags); 399 } 400 401 /* ARGSUSED1 */ 402 static void 403 print_flow(struct sadb_ext *ext, struct sadb_msg *msg) 404 { 405 struct sadb_protocol *proto = (struct sadb_protocol *)ext; 406 char *dir = "unknown"; 407 408 switch (proto->sadb_protocol_direction) { 409 case IPSP_DIRECTION_IN: 410 dir = "in"; 411 break; 412 case IPSP_DIRECTION_OUT: 413 dir = "out"; 414 break; 415 } 416 printf("type %s direction %s", 417 lookup_name(flow_types, proto->sadb_protocol_proto), dir); 418 } 419 420 static void 421 print_tag(struct sadb_ext *ext, struct sadb_msg *msg) 422 { 423 struct sadb_x_tag *stag = (struct sadb_x_tag *)ext; 424 char *p; 425 426 p = (char *)(stag + 1); 427 printf("%s", p); 428 } 429 430 static void 431 print_tap(struct sadb_ext *ext, struct sadb_msg *msg) 432 { 433 struct sadb_x_tap *stap = (struct sadb_x_tap *)ext; 434 435 printf("enc%u", stap->sadb_x_tap_unit); 436 } 437 438 static char * 439 alg_by_ext(u_int8_t ext_type, u_int8_t id) 440 { 441 switch (ext_type) { 442 case SADB_EXT_SUPPORTED_ENCRYPT: 443 return lookup_name(enc_types, id); 444 case SADB_EXT_SUPPORTED_AUTH: 445 return lookup_name(auth_types, id); 446 case SADB_X_EXT_SUPPORTED_COMP: 447 return lookup_name(comp_types, id); 448 default: 449 return "unknown"; 450 } 451 } 452 453 static void 454 print_alg(struct sadb_alg *alg, u_int8_t ext_type) 455 { 456 printf("\t\t%s iv %u min %u max %u", 457 alg_by_ext(ext_type, alg->sadb_alg_id), alg->sadb_alg_ivlen, 458 alg->sadb_alg_minbits, alg->sadb_alg_maxbits); 459 } 460 461 /* ARGSUSED1 */ 462 static void 463 print_supp(struct sadb_ext *ext, struct sadb_msg *msg) 464 { 465 struct sadb_supported *supported = (struct sadb_supported *)ext; 466 struct sadb_alg *alg; 467 468 printf("\n"); 469 for (alg = (struct sadb_alg *)(supported + 1); 470 (size_t)((u_int8_t *)alg - (u_int8_t *)ext) < 471 ext->sadb_ext_len * PFKEYV2_CHUNK; 472 alg++) { 473 struct sadb_alg *next = alg + 1; 474 print_alg(alg, ext->sadb_ext_type); 475 if ((size_t)((u_int8_t *)next - (u_int8_t *)ext) < 476 ext->sadb_ext_len * PFKEYV2_CHUNK) 477 printf("\n"); 478 } 479 } 480 481 /* ARGSUSED1 */ 482 static void 483 print_comb(struct sadb_comb *comb, struct sadb_msg *msg) 484 { 485 printf("\t\tauth %s min %u max %u\n" 486 "\t\tenc %s min %u max %u\n" 487 "\t\taddtime hard %llu soft %llu\n" 488 "\t\tusetime hard %llu soft %llu", 489 lookup_name(auth_types, comb->sadb_comb_auth), 490 comb->sadb_comb_auth_minbits, 491 comb->sadb_comb_auth_maxbits, 492 lookup_name(enc_types, comb->sadb_comb_encrypt), 493 comb->sadb_comb_encrypt_minbits, 494 comb->sadb_comb_encrypt_maxbits, 495 comb->sadb_comb_soft_addtime, 496 comb->sadb_comb_hard_addtime, 497 comb->sadb_comb_soft_usetime, 498 comb->sadb_comb_hard_usetime); 499 #if 0 500 comb->sadb_comb_flags, 501 comb->sadb_comb_reserved, 502 comb->sadb_comb_soft_allocations, 503 comb->sadb_comb_hard_allocations, 504 comb->sadb_comb_soft_bytes, 505 comb->sadb_comb_hard_bytes, 506 #endif 507 } 508 509 /* ARGSUSED1 */ 510 static void 511 print_prop(struct sadb_ext *ext, struct sadb_msg *msg) 512 { 513 struct sadb_prop *prop = (struct sadb_prop *)ext; 514 struct sadb_comb *comb; 515 516 printf("replay %u\n", prop->sadb_prop_replay); 517 for (comb = (struct sadb_comb *)(prop + 1); 518 (size_t)((u_int8_t *)comb - (u_int8_t *)ext) < 519 ext->sadb_ext_len * PFKEYV2_CHUNK; 520 comb++) 521 print_comb(comb, msg); 522 } 523 524 /* ARGSUSED1 */ 525 static void 526 print_sens(struct sadb_ext *ext, struct sadb_msg *msg) 527 { 528 struct sadb_sens *sens = (struct sadb_sens *)ext; 529 530 printf("dpd %u sens_level %u integ_level %u", 531 sens->sadb_sens_dpd, 532 sens->sadb_sens_sens_level, 533 sens->sadb_sens_integ_level); 534 } 535 536 /* ARGSUSED1 */ 537 static void 538 print_spir(struct sadb_ext *ext, struct sadb_msg *msg) 539 { 540 struct sadb_spirange *spirange = (struct sadb_spirange *)ext; 541 542 printf("min 0x%8.8x max 0x%8.8x", 543 spirange->sadb_spirange_min, spirange->sadb_spirange_max); 544 } 545 546 /* ARGSUSED1 */ 547 static void 548 print_ident(struct sadb_ext *ext, struct sadb_msg *msg) 549 { 550 struct sadb_ident *ident = (struct sadb_ident *)ext; 551 552 printf("type %s id %llu: %s", 553 lookup_name(identity_types, ident->sadb_ident_type), 554 ident->sadb_ident_id, (char *)(ident + 1)); 555 } 556 557 /* ARGSUSED1 */ 558 static void 559 print_auth(struct sadb_ext *ext, struct sadb_msg *msg) 560 { 561 struct sadb_x_cred *x_cred = (struct sadb_x_cred *)ext; 562 563 printf("type %s", 564 lookup_name(xauth_types, x_cred->sadb_x_cred_type)); 565 } 566 567 /* ARGSUSED1 */ 568 static void 569 print_cred(struct sadb_ext *ext, struct sadb_msg *msg) 570 { 571 struct sadb_x_cred *x_cred = (struct sadb_x_cred *)ext; 572 printf("type %s", 573 lookup_name(cred_types, x_cred->sadb_x_cred_type)); 574 } 575 576 /* ARGSUSED1 */ 577 static void 578 print_policy(struct sadb_ext *ext, struct sadb_msg *msg) 579 { 580 struct sadb_x_policy *x_policy = (struct sadb_x_policy *)ext; 581 582 printf("seq %u", x_policy->sadb_x_policy_seq); 583 } 584 585 /* ARGSUSED1 */ 586 static void 587 print_udpenc(struct sadb_ext *ext, struct sadb_msg *msg) 588 { 589 struct sadb_x_udpencap *x_udpencap = (struct sadb_x_udpencap *)ext; 590 591 printf("udpencap port %u", ntohs(x_udpencap->sadb_x_udpencap_port)); 592 } 593 594 static void 595 setup_extensions(struct sadb_msg *msg) 596 { 597 struct sadb_ext *ext; 598 599 bzero(extensions, sizeof(extensions)); 600 if (msg->sadb_msg_len == 0) 601 return; 602 for (ext = (struct sadb_ext *)(msg + 1); 603 (size_t)((u_int8_t *)ext - (u_int8_t *)msg) < 604 msg->sadb_msg_len * PFKEYV2_CHUNK && ext->sadb_ext_len > 0; 605 ext = (struct sadb_ext *)((u_int8_t *)ext + 606 ext->sadb_ext_len * PFKEYV2_CHUNK)) 607 extensions[ext->sadb_ext_type] = ext; 608 } 609 610 static void 611 parse_addr(struct sadb_ext *ext, struct ipsec_addr_wrap *ipa) 612 { 613 struct sadb_address *addr = (struct sadb_address *)ext; 614 struct sockaddr *sa; 615 616 if (addr == NULL) 617 return; 618 sa = (struct sockaddr *)(addr + 1); 619 switch (sa->sa_family) { 620 case AF_INET: 621 ipa->address.v4 = ((struct sockaddr_in *)sa)->sin_addr; 622 set_ipmask(ipa, 32); 623 break; 624 case AF_INET6: 625 ipa->address.v6 = ((struct sockaddr_in6 *)sa)->sin6_addr; 626 set_ipmask(ipa, 128); 627 break; 628 } 629 ipa->af = sa->sa_family; 630 ipa->next = NULL; 631 ipa->tail = ipa; 632 } 633 634 static void 635 parse_key(struct sadb_ext *ext, struct ipsec_key *ikey) 636 { 637 struct sadb_key *key = (struct sadb_key *)ext; 638 u_int8_t *data; 639 640 if (key == NULL) 641 return; 642 data = (u_int8_t *)(key + 1); 643 ikey->data = data; 644 ikey->len = key->sadb_key_bits / 8; 645 } 646 647 u_int32_t 648 pfkey_get_spi(struct sadb_msg *msg) 649 { 650 struct sadb_sa *sa; 651 652 setup_extensions(msg); 653 sa = (struct sadb_sa *)extensions[SADB_EXT_SA]; 654 return (ntohl(sa->sadb_sa_spi)); 655 } 656 657 /* opposite of pfkey_sa() */ 658 void 659 pfkey_print_sa(struct sadb_msg *msg, int opts) 660 { 661 int i; 662 struct ipsec_rule r; 663 struct ipsec_key enckey, authkey; 664 struct ipsec_transforms xfs; 665 struct ipsec_addr_wrap src, dst; 666 struct sadb_sa *sa; 667 668 setup_extensions(msg); 669 sa = (struct sadb_sa *)extensions[SADB_EXT_SA]; 670 bzero(&r, sizeof r); 671 r.type |= RULE_SA; 672 r.tmode = (msg->sadb_msg_satype != SADB_X_SATYPE_TCPSIGNATURE) && 673 (sa->sadb_sa_flags & SADB_X_SAFLAGS_TUNNEL) ? 674 IPSEC_TUNNEL : IPSEC_TRANSPORT; 675 r.spi = ntohl(sa->sadb_sa_spi); 676 677 switch (msg->sadb_msg_satype) { 678 case SADB_SATYPE_AH: 679 r.satype = IPSEC_AH; 680 break; 681 case SADB_SATYPE_ESP: 682 r.satype = IPSEC_ESP; 683 break; 684 case SADB_X_SATYPE_IPCOMP: 685 r.satype = IPSEC_IPCOMP; 686 break; 687 case SADB_X_SATYPE_TCPSIGNATURE: 688 r.satype = IPSEC_TCPMD5; 689 break; 690 case SADB_X_SATYPE_IPIP: 691 r.satype = IPSEC_IPIP; 692 break; 693 default: 694 return; 695 } 696 bzero(&dst, sizeof dst); 697 bzero(&src, sizeof src); 698 parse_addr(extensions[SADB_EXT_ADDRESS_SRC], &src); 699 parse_addr(extensions[SADB_EXT_ADDRESS_DST], &dst); 700 r.src = &src; 701 r.dst = &dst; 702 if (r.satype == IPSEC_IPCOMP) { 703 if (sa->sadb_sa_encrypt) { 704 bzero(&xfs, sizeof xfs); 705 r.xfs = &xfs; 706 switch (sa->sadb_sa_encrypt) { 707 case SADB_X_CALG_DEFLATE: 708 xfs.encxf = &compxfs[COMPXF_DEFLATE]; 709 break; 710 case SADB_X_CALG_LZS: 711 xfs.encxf = &compxfs[COMPXF_LZS]; 712 break; 713 } 714 } 715 } else if (r.satype == IPSEC_TCPMD5) { 716 bzero(&authkey, sizeof authkey); 717 parse_key(extensions[SADB_EXT_KEY_AUTH], &authkey); 718 r.authkey = &authkey; 719 } else if (sa->sadb_sa_encrypt || sa->sadb_sa_auth) { 720 bzero(&xfs, sizeof xfs); 721 r.xfs = &xfs; 722 if (sa->sadb_sa_encrypt) { 723 bzero(&enckey, sizeof enckey); 724 parse_key(extensions[SADB_EXT_KEY_ENCRYPT], &enckey); 725 r.enckey = &enckey; 726 727 switch (sa->sadb_sa_encrypt) { 728 case SADB_EALG_3DESCBC: 729 xfs.encxf = &encxfs[ENCXF_3DES_CBC]; 730 break; 731 case SADB_EALG_DESCBC: 732 xfs.encxf = &encxfs[ENCXF_DES_CBC]; 733 break; 734 case SADB_X_EALG_AES: 735 switch (r.enckey->len) { 736 case 192/8: 737 xfs.encxf = &encxfs[ENCXF_AES_192]; 738 break; 739 case 256/8: 740 xfs.encxf = &encxfs[ENCXF_AES_256]; 741 break; 742 default: 743 xfs.encxf = &encxfs[ENCXF_AES]; 744 break; 745 } 746 break; 747 case SADB_X_EALG_AESCTR: 748 switch (r.enckey->len) { 749 case 28: 750 xfs.encxf = &encxfs[ENCXF_AES_192_CTR]; 751 break; 752 case 36: 753 xfs.encxf = &encxfs[ENCXF_AES_256_CTR]; 754 break; 755 default: 756 xfs.encxf = &encxfs[ENCXF_AESCTR]; 757 break; 758 } 759 break; 760 case SADB_X_EALG_AESGCM16: 761 switch (r.enckey->len) { 762 case 28: 763 xfs.encxf = &encxfs[ENCXF_AES_192_GCM]; 764 break; 765 case 36: 766 xfs.encxf = &encxfs[ENCXF_AES_256_GCM]; 767 break; 768 default: 769 xfs.encxf = &encxfs[ENCXF_AES_128_GCM]; 770 break; 771 } 772 break; 773 case SADB_X_EALG_AESGMAC: 774 switch (r.enckey->len) { 775 case 28: 776 xfs.encxf = &encxfs[ENCXF_AES_192_GMAC]; 777 break; 778 case 36: 779 xfs.encxf = &encxfs[ENCXF_AES_256_GMAC]; 780 break; 781 default: 782 xfs.encxf = &encxfs[ENCXF_AES_128_GMAC]; 783 break; 784 } 785 break; 786 case SADB_X_EALG_BLF: 787 xfs.encxf = &encxfs[ENCXF_BLOWFISH]; 788 break; 789 case SADB_X_EALG_CAST: 790 xfs.encxf = &encxfs[ENCXF_CAST128]; 791 break; 792 case SADB_EALG_NULL: 793 xfs.encxf = &encxfs[ENCXF_NULL]; 794 break; 795 } 796 } 797 if (sa->sadb_sa_auth) { 798 bzero(&authkey, sizeof authkey); 799 parse_key(extensions[SADB_EXT_KEY_AUTH], &authkey); 800 r.authkey = &authkey; 801 802 switch (sa->sadb_sa_auth) { 803 case SADB_AALG_MD5HMAC: 804 xfs.authxf = &authxfs[AUTHXF_HMAC_MD5]; 805 break; 806 case SADB_X_AALG_RIPEMD160HMAC: 807 xfs.authxf = &authxfs[AUTHXF_HMAC_RIPEMD160]; 808 break; 809 case SADB_AALG_SHA1HMAC: 810 xfs.authxf = &authxfs[AUTHXF_HMAC_SHA1]; 811 break; 812 case SADB_X_AALG_SHA2_256: 813 xfs.authxf = &authxfs[AUTHXF_HMAC_SHA2_256]; 814 break; 815 case SADB_X_AALG_SHA2_384: 816 xfs.authxf = &authxfs[AUTHXF_HMAC_SHA2_384]; 817 break; 818 case SADB_X_AALG_SHA2_512: 819 xfs.authxf = &authxfs[AUTHXF_HMAC_SHA2_512]; 820 break; 821 } 822 } 823 } 824 if (!(opts & IPSECCTL_OPT_SHOWKEY)) { 825 bzero(&enckey, sizeof enckey); 826 bzero(&authkey, sizeof authkey); 827 extensions[SADB_EXT_KEY_AUTH] = NULL; 828 extensions[SADB_EXT_KEY_ENCRYPT] = NULL; 829 } 830 ipsecctl_print_rule(&r, opts); 831 832 if (opts & IPSECCTL_OPT_VERBOSE) { 833 for (i = 0; i <= SADB_EXT_MAX; i++) 834 if (extensions[i]) 835 print_ext(extensions[i], msg); 836 } 837 fflush(stdout); 838 } 839 840 /* ARGSUSED1 */ 841 void 842 pfkey_monitor_sa(struct sadb_msg *msg, int opts) 843 { 844 int i; 845 846 setup_extensions(msg); 847 848 printf("%s: satype %s vers %u len %u seq %u pid %u\n", 849 lookup_name(msg_types, msg->sadb_msg_type), 850 lookup_name(sa_types, msg->sadb_msg_satype), 851 msg->sadb_msg_version, msg->sadb_msg_len, 852 msg->sadb_msg_seq, 853 msg->sadb_msg_pid); 854 if (msg->sadb_msg_errno) 855 printf("\terrno %u: %s\n", msg->sadb_msg_errno, 856 strerror(msg->sadb_msg_errno)); 857 for (i = 0; i <= SADB_EXT_MAX; i++) 858 if (extensions[i]) 859 print_ext(extensions[i], msg); 860 fflush(stdout); 861 } 862 863 void 864 pfkey_print_raw(u_int8_t *data, ssize_t len) 865 { 866 int i; 867 const u_int8_t *sp = (const u_int8_t *)data; 868 869 printf("RAW PFKEYV2 MESSAGE:\n"); 870 for (i = 0; i < len; i++) { 871 if ((i % 8 == 0) && (i != 0)) 872 printf("\n"); 873 printf("%02x ", *sp); 874 sp++; 875 } 876 printf("\n"); 877 } 878