1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <stdio.h> 18 #include <stdlib.h> 19 #include <string.h> 20 #include <unistd.h> 21 #include <sys/param.h> 22 #include <sys/types.h> 23 #include <sys/socket.h> 24 #include <netinet/in.h> 25 #include <netinet/ip.h> 26 #include <netdb.h> 27 #include <fcntl.h> 28 29 #include "config.h" 30 #include "gcmalloc.h" 31 #include "libpfkey.h" 32 #include "var.h" 33 #include "isakmp_var.h" 34 #include "isakmp.h" 35 #include "isakmp_xauth.h" 36 #include "vmbuf.h" 37 #include "crypto_openssl.h" 38 #include "oakley.h" 39 #include "ipsec_doi.h" 40 #include "algorithm.h" 41 #include "vendorid.h" 42 #include "schedule.h" 43 #include "pfkey.h" 44 #include "nattraversal.h" 45 #include "proposal.h" 46 #include "sainfo.h" 47 #include "localconf.h" 48 #include "remoteconf.h" 49 #include "sockmisc.h" 50 #include "grabmyaddr.h" 51 #include "plog.h" 52 #include "admin.h" 53 #include "privsep.h" 54 #include "throttle.h" 55 #include "misc.h" 56 57 static struct localconf localconf; 58 static struct sainfo sainfo; 59 static char *pre_shared_key; 60 61 static struct sockaddr *targets[2]; 62 static struct sockaddr *source; 63 static struct myaddrs myaddrs[2]; 64 65 struct localconf *lcconf = &localconf; 66 int f_local = 0; 67 68 /*****************************************************************************/ 69 70 static void add_sainfo_algorithm(int class, int algorithm, int length) 71 { 72 struct sainfoalg *p = calloc(1, sizeof(struct sainfoalg)); 73 p->alg = algorithm; 74 p->encklen = length; 75 76 if (!sainfo.algs[class]) { 77 sainfo.algs[class] = p; 78 } else { 79 struct sainfoalg *q = sainfo.algs[class]; 80 while (q->next) { 81 q = q->next; 82 } 83 q->next = p; 84 } 85 } 86 87 static void set_globals(char *server) 88 { 89 struct addrinfo hints = { 90 .ai_flags = AI_NUMERICSERV, 91 #ifndef INET6 92 .ai_family = AF_INET, 93 #else 94 .ai_family = AF_UNSPEC, 95 #endif 96 .ai_socktype = SOCK_DGRAM, 97 }; 98 struct addrinfo *info; 99 100 if (getaddrinfo(server, "500", &hints, &info) != 0) { 101 do_plog(LLV_ERROR, "Cannot resolve address: %s\n", server); 102 exit(1); 103 } 104 if (info->ai_next) { 105 do_plog(LLV_WARNING, "Found multiple addresses. Use the first one.\n"); 106 } 107 targets[0] = dupsaddr(info->ai_addr); 108 freeaddrinfo(info); 109 110 source = getlocaladdr(targets[0]); 111 if (!source) { 112 do_plog(LLV_ERROR, "Cannot get local address\n"); 113 exit(1); 114 } 115 set_port(targets[0], 0); 116 set_port(source, 0); 117 118 myaddrs[0].addr = dupsaddr(source); 119 set_port(myaddrs[0].addr, PORT_ISAKMP); 120 myaddrs[0].sock = -1; 121 #ifdef ENABLE_NATT 122 myaddrs[0].next = &myaddrs[1]; 123 myaddrs[1].addr = dupsaddr(myaddrs[0].addr); 124 set_port(myaddrs[1].addr, PORT_ISAKMP_NATT); 125 myaddrs[1].sock = -1; 126 myaddrs[1].udp_encap = 1; 127 #endif 128 129 localconf.myaddrs = &myaddrs[0]; 130 localconf.port_isakmp = PORT_ISAKMP; 131 localconf.port_isakmp_natt = PORT_ISAKMP_NATT; 132 localconf.default_af = AF_INET; 133 localconf.pathinfo[LC_PATHTYPE_CERT] = "./"; 134 localconf.pad_random = LC_DEFAULT_PAD_RANDOM; 135 localconf.pad_randomlen = LC_DEFAULT_PAD_RANDOM; 136 localconf.pad_strict = LC_DEFAULT_PAD_STRICT; 137 localconf.pad_excltail = LC_DEFAULT_PAD_EXCLTAIL; 138 localconf.retry_counter = 10; 139 localconf.retry_interval = 3; 140 localconf.count_persend = LC_DEFAULT_COUNT_PERSEND; 141 localconf.secret_size = LC_DEFAULT_SECRETSIZE; 142 localconf.retry_checkph1 = LC_DEFAULT_RETRY_CHECKPH1; 143 localconf.wait_ph2complete = LC_DEFAULT_WAIT_PH2COMPLETE; 144 localconf.natt_ka_interval = LC_DEFAULT_NATT_KA_INTERVAL; 145 146 sainfo.lifetime = IPSECDOI_ATTR_SA_LD_SEC_DEFAULT; 147 sainfo.lifebyte = IPSECDOI_ATTR_SA_LD_KB_MAX; 148 add_sainfo_algorithm(algclass_ipsec_auth, IPSECDOI_ATTR_AUTH_HMAC_SHA1, 0); 149 add_sainfo_algorithm(algclass_ipsec_auth, IPSECDOI_ATTR_AUTH_HMAC_MD5, 0); 150 add_sainfo_algorithm(algclass_ipsec_enc, IPSECDOI_ESP_AES, 256); 151 add_sainfo_algorithm(algclass_ipsec_enc, IPSECDOI_ESP_AES, 128); 152 add_sainfo_algorithm(algclass_ipsec_enc, IPSECDOI_ESP_3DES, 0); 153 add_sainfo_algorithm(algclass_ipsec_enc, IPSECDOI_ESP_DES, 0); 154 155 memset(script_names, 0, sizeof(script_names)); 156 } 157 158 /*****************************************************************************/ 159 160 static int policy_match(struct sadb_address *address) 161 { 162 if (address) { 163 struct sockaddr *addr = PFKEY_ADDR_SADDR(address); 164 return !cmpsaddrwop(addr, targets[0]) || !cmpsaddrwop(addr, targets[1]); 165 } 166 return 0; 167 } 168 169 /* flush; spdflush; */ 170 static void flush() 171 { 172 struct sadb_msg *p; 173 int replies = 0; 174 int key = pfkey_open(); 175 176 if (pfkey_send_dump(key, SADB_SATYPE_UNSPEC) <= 0 || 177 pfkey_send_spddump(key) <= 0) { 178 do_plog(LLV_ERROR, "Cannot dump SAD and SPD\n"); 179 exit(1); 180 } 181 182 for (p = NULL; replies < 2 && (p = pfkey_recv(key)) != NULL; free(p)) { 183 caddr_t q[SADB_EXT_MAX + 1]; 184 185 if (p->sadb_msg_type != SADB_DUMP && 186 p->sadb_msg_type != SADB_X_SPDDUMP) { 187 continue; 188 } 189 replies += !p->sadb_msg_seq; 190 191 if (p->sadb_msg_errno || pfkey_align(p, q) || pfkey_check(q)) { 192 continue; 193 } 194 if (policy_match((struct sadb_address *)q[SADB_EXT_ADDRESS_SRC]) || 195 policy_match((struct sadb_address *)q[SADB_EXT_ADDRESS_DST])) { 196 p->sadb_msg_type = (p->sadb_msg_type == SADB_DUMP) ? 197 SADB_DELETE : SADB_X_SPDDELETE; 198 p->sadb_msg_reserved = 0; 199 p->sadb_msg_seq = 0; 200 pfkey_send(key, p, PFKEY_UNUNIT64(p->sadb_msg_len)); 201 } 202 } 203 204 pfkey_close(key); 205 } 206 207 /* spdadd src dst protocol -P out ipsec esp/transport//require; 208 * spdadd dst src protocol -P in ipsec esp/transport//require; 209 * or 210 * spdadd src any protocol -P out ipsec esp/tunnel/local-remote/require; 211 * spdadd any src protocol -P in ipsec esp/tunnel/remote-local/require; */ 212 static void spdadd(struct sockaddr *src, struct sockaddr *dst, 213 int protocol, struct sockaddr *local, struct sockaddr *remote) 214 { 215 struct __attribute__((packed)) { 216 struct sadb_x_policy p; 217 struct sadb_x_ipsecrequest q; 218 char addresses[sizeof(struct sockaddr_storage) * 2]; 219 } policy; 220 221 struct sockaddr_storage any = { 222 #ifndef __linux__ 223 .ss_len = src->sa_len, 224 #endif 225 .ss_family = src->sa_family, 226 }; 227 228 int src_prefix = (src->sa_family == AF_INET) ? 32 : 128; 229 int dst_prefix = src_prefix; 230 int length = 0; 231 int key; 232 233 /* Fill values for outbound policy. */ 234 memset(&policy, 0, sizeof(policy)); 235 policy.p.sadb_x_policy_exttype = SADB_X_EXT_POLICY; 236 policy.p.sadb_x_policy_type = IPSEC_POLICY_IPSEC; 237 policy.p.sadb_x_policy_dir = IPSEC_DIR_OUTBOUND; 238 #ifdef HAVE_PFKEY_POLICY_PRIORITY 239 policy.p.sadb_x_policy_priority = PRIORITY_DEFAULT; 240 #endif 241 policy.q.sadb_x_ipsecrequest_proto = IPPROTO_ESP; 242 policy.q.sadb_x_ipsecrequest_mode = IPSEC_MODE_TRANSPORT; 243 policy.q.sadb_x_ipsecrequest_level = IPSEC_LEVEL_REQUIRE; 244 245 /* Deal with tunnel mode. */ 246 if (!dst) { 247 int size = sysdep_sa_len(local); 248 memcpy(policy.addresses, local, size); 249 memcpy(&policy.addresses[size], remote, size); 250 length += size + size; 251 252 policy.q.sadb_x_ipsecrequest_mode = IPSEC_MODE_TUNNEL; 253 dst = (struct sockaddr *)&any; 254 dst_prefix = 0; 255 256 /* Also use the source address to filter policies. */ 257 targets[1] = dupsaddr(src); 258 } 259 260 /* Fix lengths. */ 261 length += sizeof(policy.q); 262 policy.q.sadb_x_ipsecrequest_len = length; 263 length += sizeof(policy.p); 264 policy.p.sadb_x_policy_len = PFKEY_UNIT64(length); 265 266 /* Always do a flush before adding new policies. */ 267 flush(); 268 269 /* Set outbound policy. */ 270 key = pfkey_open(); 271 if (pfkey_send_spdadd(key, src, src_prefix, dst, dst_prefix, protocol, 272 (caddr_t)&policy, length, 0) <= 0) { 273 do_plog(LLV_ERROR, "Cannot set outbound policy\n"); 274 exit(1); 275 } 276 277 /* Flip values for inbound policy. */ 278 policy.p.sadb_x_policy_dir = IPSEC_DIR_INBOUND; 279 if (!dst_prefix) { 280 int size = sysdep_sa_len(local); 281 memcpy(policy.addresses, remote, size); 282 memcpy(&policy.addresses[size], local, size); 283 } 284 285 /* Set inbound policy. */ 286 if (pfkey_send_spdadd(key, dst, dst_prefix, src, src_prefix, protocol, 287 (caddr_t)&policy, length, 0) <= 0) { 288 do_plog(LLV_ERROR, "Cannot set inbound policy\n"); 289 exit(1); 290 } 291 292 pfkey_close(key); 293 atexit(flush); 294 } 295 296 /*****************************************************************************/ 297 298 static void add_proposal(struct remoteconf *remoteconf, 299 int auth, int hash, int encryption, int length) 300 { 301 struct isakmpsa *p = racoon_calloc(1, sizeof(struct isakmpsa)); 302 p->prop_no = 1; 303 p->lifetime = OAKLEY_ATTR_SA_LD_SEC_DEFAULT; 304 p->enctype = encryption; 305 p->encklen = length; 306 p->authmethod = auth; 307 p->hashtype = hash; 308 p->dh_group = OAKLEY_ATTR_GRP_DESC_MODP1024; 309 p->vendorid = VENDORID_UNKNOWN; 310 p->rmconf = remoteconf; 311 312 if (!remoteconf->proposal) { 313 p->trns_no = 1; 314 remoteconf->proposal = p; 315 } else { 316 struct isakmpsa *q = remoteconf->proposal; 317 while (q->next) { 318 q = q->next; 319 } 320 p->trns_no = q->trns_no + 1; 321 q->next = p; 322 } 323 } 324 325 static vchar_t *strtovchar(char *string) 326 { 327 vchar_t *vchar = string ? vmalloc(strlen(string) + 1) : NULL; 328 if (vchar) { 329 memcpy(vchar->v, string, vchar->l); 330 vchar->l -= 1; 331 } 332 return vchar; 333 } 334 335 static void set_pre_shared_key(struct remoteconf *remoteconf, 336 char *identifier, char *key) 337 { 338 pre_shared_key = key; 339 if (identifier[0]) { 340 remoteconf->idv = strtovchar(identifier); 341 remoteconf->etypes->type = ISAKMP_ETYPE_AGG; 342 343 remoteconf->idvtype = IDTYPE_KEYID; 344 if (strchr(identifier, '.')) { 345 remoteconf->idvtype = IDTYPE_FQDN; 346 if (strchr(identifier, '@')) { 347 remoteconf->idvtype = IDTYPE_USERFQDN; 348 } 349 } 350 } 351 } 352 353 static void set_certificates(struct remoteconf *remoteconf, 354 char *user_private_key, char *user_certificate, 355 char *ca_certificate, char *server_certificate) 356 { 357 remoteconf->myprivfile = user_private_key; 358 remoteconf->mycertfile = user_certificate; 359 if (user_certificate) { 360 remoteconf->idvtype = IDTYPE_ASN1DN; 361 } 362 if (!ca_certificate[0]) { 363 remoteconf->verify_cert = FALSE; 364 } else { 365 remoteconf->cacertfile = ca_certificate; 366 } 367 if (server_certificate[0]) { 368 remoteconf->peerscertfile = server_certificate; 369 remoteconf->getcert_method = ISAKMP_GETCERT_LOCALFILE; 370 } 371 } 372 373 #ifdef ENABLE_HYBRID 374 375 static void set_xauth_and_more(struct remoteconf *remoteconf, 376 char *username, char *password, char *phase1_up, char *script_arg) 377 { 378 struct xauth_rmconf *xauth = racoon_calloc(1, sizeof(struct xauth_rmconf)); 379 xauth->login = strtovchar(username); 380 xauth->login->l += 1; 381 xauth->pass = strtovchar(password); 382 xauth->pass->l += 1; 383 remoteconf->xauth = xauth; 384 remoteconf->mode_cfg = TRUE; 385 remoteconf->script[SCRIPT_PHASE1_UP] = strtovchar(phase1_up); 386 script_names[SCRIPT_PHASE1_UP] = script_arg; 387 } 388 389 #endif 390 391 extern void monitor_fd(int fd, void (*callback)(int)); 392 393 void add_isakmp_handler(int fd, const char *interface) 394 { 395 if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, 396 interface, strlen(interface))) { 397 do_plog(LLV_WARNING, "Cannot bind socket to %s\n", interface); 398 } 399 monitor_fd(fd, (void *)isakmp_handler); 400 } 401 402 void setup(int argc, char **argv) 403 { 404 struct remoteconf *remoteconf = NULL; 405 int auth; 406 407 if (argc > 2) { 408 set_globals(argv[2]); 409 410 /* Initialize everything else. */ 411 eay_init(); 412 initrmconf(); 413 oakley_dhinit(); 414 compute_vendorids(); 415 sched_init(); 416 if (pfkey_init() < 0 || isakmp_init() < 0) { 417 exit(1); 418 } 419 monitor_fd(localconf.sock_pfkey, (void *)pfkey_handler); 420 add_isakmp_handler(myaddrs[0].sock, argv[1]); 421 #ifdef ENABLE_NATT 422 add_isakmp_handler(myaddrs[1].sock, argv[1]); 423 natt_keepalive_init(); 424 #endif 425 426 /* Create remote configuration. */ 427 remoteconf = newrmconf(); 428 remoteconf->etypes = racoon_calloc(1, sizeof(struct etypes)); 429 remoteconf->etypes->type = ISAKMP_ETYPE_IDENT; 430 remoteconf->idvtype = IDTYPE_ADDRESS; 431 remoteconf->ike_frag = TRUE; 432 remoteconf->pcheck_level = PROP_CHECK_CLAIM; 433 remoteconf->certtype = ISAKMP_CERT_X509SIGN; 434 remoteconf->gen_policy = TRUE; 435 remoteconf->nat_traversal = TRUE; 436 remoteconf->dh_group = OAKLEY_ATTR_GRP_DESC_MODP1024; 437 remoteconf->script[SCRIPT_PHASE1_UP] = strtovchar(""); 438 remoteconf->script[SCRIPT_PHASE1_DOWN] = strtovchar(""); 439 oakley_setdhgroup(remoteconf->dh_group, &remoteconf->dhgrp); 440 remoteconf->remote = dupsaddr(targets[0]); 441 } 442 443 /* Set authentication method and credentials. */ 444 if (argc == 7 && !strcmp(argv[3], "udppsk")) { 445 set_pre_shared_key(remoteconf, argv[4], argv[5]); 446 auth = OAKLEY_ATTR_AUTH_METHOD_PSKEY; 447 448 set_port(targets[0], atoi(argv[6])); 449 spdadd(source, targets[0], IPPROTO_UDP, NULL, NULL); 450 } else if (argc == 9 && !strcmp(argv[3], "udprsa")) { 451 set_certificates(remoteconf, argv[4], argv[5], argv[6], argv[7]); 452 auth = OAKLEY_ATTR_AUTH_METHOD_RSASIG; 453 454 set_port(targets[0], atoi(argv[8])); 455 spdadd(source, targets[0], IPPROTO_UDP, NULL, NULL); 456 #ifdef ENABLE_HYBRID 457 } else if (argc == 10 && !strcmp(argv[3], "xauthpsk")) { 458 set_pre_shared_key(remoteconf, argv[4], argv[5]); 459 set_xauth_and_more(remoteconf, argv[6], argv[7], argv[8], argv[9]); 460 auth = OAKLEY_ATTR_AUTH_METHOD_XAUTH_PSKEY_I; 461 } else if (argc == 12 && !strcmp(argv[3], "xauthrsa")) { 462 set_certificates(remoteconf, argv[4], argv[5], argv[6], argv[7]); 463 set_xauth_and_more(remoteconf, argv[8], argv[9], argv[10], argv[11]); 464 auth = OAKLEY_ATTR_AUTH_METHOD_XAUTH_RSASIG_I; 465 } else if (argc == 10 && !strcmp(argv[3], "hybridrsa")) { 466 set_certificates(remoteconf, NULL, NULL, argv[4], argv[5]); 467 set_xauth_and_more(remoteconf, argv[6], argv[7], argv[8], argv[9]); 468 auth = OAKLEY_ATTR_AUTH_METHOD_HYBRID_RSA_I; 469 #endif 470 } else { 471 printf("Usage: %s <interface> <server> [...], where [...] can be:\n" 472 " udppsk <identifier> <pre-shared-key> <port>; \n" 473 " udprsa <user-private-key> <user-certificate> \\\n" 474 " <ca-certificate> <server-certificate> <port>;\n" 475 #ifdef ENABLE_HYBRID 476 " xauthpsk <identifier> <pre-shared-key> \\\n" 477 " <username> <password> <phase1-up> <script-arg>;\n" 478 " xauthrsa <user-private-key> <user-certificate> \\\n" 479 " <ca-certificate> <server-certificate> \\\n" 480 " <username> <password> <phase1-up> <script-arg>;\n" 481 " hybridrsa <ca-certificate> <server-certificate> \\\n" 482 " <username> <password> <phase1-up> <script-arg>;\n" 483 #endif 484 "", argv[0]); 485 exit(0); 486 } 487 488 /* Add proposals. */ 489 add_proposal(remoteconf, auth, 490 OAKLEY_ATTR_HASH_ALG_SHA, OAKLEY_ATTR_ENC_ALG_AES, 256); 491 add_proposal(remoteconf, auth, 492 OAKLEY_ATTR_HASH_ALG_MD5, OAKLEY_ATTR_ENC_ALG_AES, 256); 493 add_proposal(remoteconf, auth, 494 OAKLEY_ATTR_HASH_ALG_SHA, OAKLEY_ATTR_ENC_ALG_AES, 128); 495 add_proposal(remoteconf, auth, 496 OAKLEY_ATTR_HASH_ALG_MD5, OAKLEY_ATTR_ENC_ALG_AES, 128); 497 add_proposal(remoteconf, auth, 498 OAKLEY_ATTR_HASH_ALG_SHA, OAKLEY_ATTR_ENC_ALG_3DES, 0); 499 add_proposal(remoteconf, auth, 500 OAKLEY_ATTR_HASH_ALG_MD5, OAKLEY_ATTR_ENC_ALG_3DES, 0); 501 add_proposal(remoteconf, auth, 502 OAKLEY_ATTR_HASH_ALG_SHA, OAKLEY_ATTR_ENC_ALG_DES, 0); 503 add_proposal(remoteconf, auth, 504 OAKLEY_ATTR_HASH_ALG_MD5, OAKLEY_ATTR_ENC_ALG_DES, 0); 505 506 /* Install remote configuration. */ 507 insrmconf(remoteconf); 508 509 /* Start phase 1 negotiation for xauth. */ 510 if (remoteconf->xauth) { 511 isakmp_ph1begin_i(remoteconf, remoteconf->remote, source); 512 } 513 } 514 515 /*****************************************************************************/ 516 517 /* localconf.h */ 518 519 vchar_t *getpskbyaddr(struct sockaddr *addr) 520 { 521 return strtovchar(pre_shared_key); 522 } 523 524 vchar_t *getpskbyname(vchar_t *name) 525 { 526 return NULL; 527 } 528 529 void getpathname(char *path, int length, int type, const char *name) 530 { 531 if (pname) { 532 snprintf(path, length, pname, name); 533 } else { 534 strncpy(path, name, length); 535 } 536 path[length - 1] = '\0'; 537 } 538 539 /* grabmyaddr.h */ 540 541 int myaddr_getsport(struct sockaddr *addr) 542 { 543 return 0; 544 } 545 546 int getsockmyaddr(struct sockaddr *addr) 547 { 548 #ifdef ENABLE_NATT 549 if (!cmpsaddrstrict(addr, myaddrs[1].addr)) { 550 return myaddrs[1].sock; 551 } 552 #endif 553 if (!cmpsaddrwop(addr, myaddrs[0].addr)) { 554 return myaddrs[0].sock; 555 } 556 return -1; 557 } 558 559 /* privsep.h */ 560 561 int privsep_pfkey_open() 562 { 563 return pfkey_open(); 564 } 565 566 void privsep_pfkey_close(int key) 567 { 568 pfkey_close(key); 569 } 570 571 vchar_t *privsep_eay_get_pkcs1privkey(char *file) 572 { 573 return eay_get_pkcs1privkey(file); 574 } 575 576 static char *get_env(char * const *envp, char *key) 577 { 578 int length = strlen(key); 579 while (*envp && (strncmp(*envp, key, length) || (*envp)[length] != '=')) { 580 ++envp; 581 } 582 return *envp ? &(*envp)[length + 1] : ""; 583 } 584 585 static int skip_script = 0; 586 extern const char *android_hook(char **envp); 587 588 int privsep_script_exec(char *script, int name, char * const *envp) 589 { 590 if (skip_script) { 591 return 0; 592 } 593 skip_script = 1; 594 595 if (name == SCRIPT_PHASE1_DOWN) { 596 exit(1); 597 } 598 if (script_names[SCRIPT_PHASE1_UP]) { 599 /* Racoon ignores INTERNAL_IP6_ADDRESS, so we only do IPv4. */ 600 struct sockaddr *addr4 = str2saddr(get_env(envp, "INTERNAL_ADDR4"), 601 NULL); 602 struct sockaddr *local = str2saddr(get_env(envp, "LOCAL_ADDR"), 603 get_env(envp, "LOCAL_PORT")); 604 struct sockaddr *remote = str2saddr(get_env(envp, "REMOTE_ADDR"), 605 get_env(envp, "REMOTE_PORT")); 606 607 if (addr4 && local && remote) { 608 #ifdef ANDROID_CHANGES 609 if (pname) { 610 script = (char *)android_hook((char **)envp); 611 } 612 #endif 613 spdadd(addr4, NULL, IPPROTO_IP, local, remote); 614 } else { 615 do_plog(LLV_ERROR, "Cannot get parameters for SPD policy.\n"); 616 exit(1); 617 } 618 619 racoon_free(addr4); 620 racoon_free(local); 621 racoon_free(remote); 622 return script_exec(script, name, envp); 623 } 624 return 0; 625 } 626 627 int privsep_accounting_system(int port, struct sockaddr *addr, 628 char *user, int status) 629 { 630 return 0; 631 } 632 633 int privsep_xauth_login_system(char *user, char *password) 634 { 635 return -1; 636 } 637 638 /* misc.h */ 639 640 int racoon_hexdump(void *data, size_t length) 641 { 642 return 0; 643 } 644 645 /* sainfo.h */ 646 647 struct sainfo *getsainfo(const vchar_t *src, const vchar_t *dst, 648 const vchar_t *peer, int remoteid) 649 { 650 return &sainfo; 651 } 652 653 const char *sainfo2str(const struct sainfo *si) 654 { 655 return "*"; 656 } 657 658 /* throttle.h */ 659 660 int throttle_host(struct sockaddr *addr, int fail) 661 { 662 return 0; 663 } 664
