1 /*- 2 * Copyright (c) 2014 Spectra Logic Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions, and the following disclaimer, 10 * without modification. 11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12 * substantially similar to the "NO WARRANTY" disclaimer below 13 * ("Disclaimer") and any redistribution must be conditioned upon 14 * including a substantially similar Disclaimer requirement for further 15 * binary redistribution. 16 * 17 * NO WARRANTY 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGES. 29 * 30 * $FreeBSD$ 31 */ 32 33 #include <rpc/rpc.h> 34 #include <sys/types.h> 35 #include <sys/socket.h> 36 37 #include <net/if.h> 38 #include <netinet/in.h> 39 #include <arpa/inet.h> 40 41 #include <ifaddrs.h> 42 #include <stdlib.h> 43 #include <stdio.h> 44 45 #include <atf-c.h> 46 47 #include "rpcbind.h" 48 49 #define MAX_IFADDRS 16 50 51 int debugging = false; 52 53 /* Data for mocking getifaddrs */ 54 struct ifaddr_storage { 55 struct ifaddrs ifaddr; 56 struct sockaddr_storage addr; 57 struct sockaddr_storage mask; 58 struct sockaddr_storage bcast; 59 } mock_ifaddr_storage[MAX_IFADDRS]; 60 struct ifaddrs *mock_ifaddrs = NULL; 61 int ifaddr_count = 0; 62 63 /* Data for mocking listen_addr */ 64 int bind_address_count = 0; 65 struct sockaddr* bind_addresses[MAX_IFADDRS]; 66 67 /* Stub library functions */ 68 void 69 freeifaddrs(struct ifaddrs *ifp __unused) 70 { 71 return ; 72 } 73 74 int 75 getifaddrs(struct ifaddrs **ifap) 76 { 77 *ifap = mock_ifaddrs; 78 return (0); 79 } 80 81 static void 82 mock_ifaddr4(const char* name, const char* addr, const char* mask, 83 const char* bcast, unsigned int flags, bool bind) 84 { 85 struct ifaddrs *ifaddr = &mock_ifaddr_storage[ifaddr_count].ifaddr; 86 struct sockaddr_in *in = (struct sockaddr_in*) 87 &mock_ifaddr_storage[ifaddr_count].addr; 88 struct sockaddr_in *mask_in = (struct sockaddr_in*) 89 &mock_ifaddr_storage[ifaddr_count].mask; 90 struct sockaddr_in *bcast_in = (struct sockaddr_in*) 91 &mock_ifaddr_storage[ifaddr_count].bcast; 92 93 in->sin_family = AF_INET; 94 in->sin_port = 0; 95 in->sin_len = sizeof(in); 96 in->sin_addr.s_addr = inet_addr(addr); 97 mask_in->sin_family = AF_INET; 98 mask_in->sin_port = 0; 99 mask_in->sin_len = sizeof(mask_in); 100 mask_in->sin_addr.s_addr = inet_addr(mask); 101 bcast_in->sin_family = AF_INET; 102 bcast_in->sin_port = 0; 103 bcast_in->sin_len = sizeof(bcast_in); 104 bcast_in->sin_addr.s_addr = inet_addr(bcast); 105 *ifaddr = (struct ifaddrs) { 106 .ifa_next = NULL, 107 .ifa_name = (char*) name, 108 .ifa_flags = flags, 109 .ifa_addr = (struct sockaddr*) in, 110 .ifa_netmask = (struct sockaddr*) mask_in, 111 .ifa_broadaddr = (struct sockaddr*) bcast_in, 112 .ifa_data = NULL, /* addrmerge doesn't care*/ 113 }; 114 115 if (ifaddr_count > 0) 116 mock_ifaddr_storage[ifaddr_count - 1].ifaddr.ifa_next = ifaddr; 117 ifaddr_count++; 118 mock_ifaddrs = &mock_ifaddr_storage[0].ifaddr; 119 120 /* Optionally simulate binding an ip ala "rpcbind -h foo" */ 121 if (bind) { 122 bind_addresses[bind_address_count] = (struct sockaddr*)in; 123 bind_address_count++; 124 } 125 } 126 127 #ifdef INET6 128 static void 129 mock_ifaddr6(const char* name, const char* addr, const char* mask, 130 const char* bcast, unsigned int flags, uint32_t scope_id, bool bind) 131 { 132 struct ifaddrs *ifaddr = &mock_ifaddr_storage[ifaddr_count].ifaddr; 133 struct sockaddr_in6 *in6 = (struct sockaddr_in6*) 134 &mock_ifaddr_storage[ifaddr_count].addr; 135 struct sockaddr_in6 *mask_in6 = (struct sockaddr_in6*) 136 &mock_ifaddr_storage[ifaddr_count].mask; 137 struct sockaddr_in6 *bcast_in6 = (struct sockaddr_in6*) 138 &mock_ifaddr_storage[ifaddr_count].bcast; 139 140 in6->sin6_family = AF_INET6; 141 in6->sin6_port = 0; 142 in6->sin6_len = sizeof(*in6); 143 in6->sin6_scope_id = scope_id; 144 ATF_REQUIRE_EQ(1, inet_pton(AF_INET6, addr, (void*)&in6->sin6_addr)); 145 mask_in6->sin6_family = AF_INET6; 146 mask_in6->sin6_port = 0; 147 mask_in6->sin6_len = sizeof(*mask_in6); 148 mask_in6->sin6_scope_id = scope_id; 149 ATF_REQUIRE_EQ(1, inet_pton(AF_INET6, mask, 150 (void*)&mask_in6->sin6_addr)); 151 bcast_in6->sin6_family = AF_INET6; 152 bcast_in6->sin6_port = 0; 153 bcast_in6->sin6_len = sizeof(*bcast_in6); 154 bcast_in6->sin6_scope_id = scope_id; 155 ATF_REQUIRE_EQ(1, inet_pton(AF_INET6, bcast, 156 (void*)&bcast_in6->sin6_addr)); 157 *ifaddr = (struct ifaddrs) { 158 .ifa_next = NULL, 159 .ifa_name = (char*) name, 160 .ifa_flags = flags, 161 .ifa_addr = (struct sockaddr*) in6, 162 .ifa_netmask = (struct sockaddr*) mask_in6, 163 .ifa_broadaddr = (struct sockaddr*) bcast_in6, 164 .ifa_data = NULL, /* addrmerge doesn't care*/ 165 }; 166 167 if (ifaddr_count > 0) 168 mock_ifaddr_storage[ifaddr_count - 1].ifaddr.ifa_next = ifaddr; 169 ifaddr_count++; 170 mock_ifaddrs = &mock_ifaddr_storage[0].ifaddr; 171 172 /* Optionally simulate binding an ip ala "rpcbind -h foo" */ 173 if (bind) { 174 bind_addresses[bind_address_count] = (struct sockaddr*)in6; 175 bind_address_count++; 176 } 177 } 178 #else 179 static void 180 mock_ifaddr6(const char* name __unused, const char* addr __unused, 181 const char* mask __unused, const char* bcast __unused, 182 unsigned int flags __unused, uint32_t scope_id __unused, bool bind __unused) 183 { 184 } 185 #endif /*INET6 */ 186 187 static void 188 mock_lo0(void) 189 { 190 /* 191 * This broadcast address looks wrong, but it's what getifaddrs(2) 192 * actually returns. It's invalid because IFF_BROADCAST is not set 193 */ 194 mock_ifaddr4("lo0", "127.0.0.1", "255.0.0.0", "127.0.0.1", 195 IFF_LOOPBACK | IFF_UP | IFF_RUNNING | IFF_MULTICAST, false); 196 mock_ifaddr6("lo0", "::1", "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 197 "::1", 198 IFF_LOOPBACK | IFF_UP | IFF_RUNNING | IFF_MULTICAST, 0, false); 199 } 200 201 static void 202 mock_igb0(void) 203 { 204 mock_ifaddr4("igb0", "192.0.2.2", "255.255.255.128", "192.0.2.127", 205 IFF_UP | IFF_BROADCAST | IFF_RUNNING | IFF_SIMPLEX | IFF_MULTICAST, 206 false); 207 mock_ifaddr6("igb0", "2001:db8::2", "ffff:ffff:ffff:ffff::", 208 "2001:db8::ffff:ffff:ffff:ffff", 209 IFF_UP | IFF_BROADCAST | IFF_RUNNING | IFF_SIMPLEX | IFF_MULTICAST, 210 0, false); 211 /* Link local address */ 212 mock_ifaddr6("igb0", "fe80::2", "ffff:ffff:ffff:ffff::", 213 "fe80::ffff:ffff:ffff:ffff", 214 IFF_UP | IFF_BROADCAST | IFF_RUNNING | IFF_SIMPLEX | IFF_MULTICAST, 215 2, false); 216 } 217 218 /* On the same subnet as igb0 */ 219 static void 220 mock_igb1(bool bind) 221 { 222 mock_ifaddr4("igb1", "192.0.2.3", "255.255.255.128", "192.0.2.127", 223 IFF_UP | IFF_BROADCAST | IFF_RUNNING | IFF_SIMPLEX | IFF_MULTICAST, 224 bind); 225 mock_ifaddr6("igb1", "2001:db8::3", "ffff:ffff:ffff:ffff::", 226 "2001:db8::ffff:ffff:ffff:ffff", 227 IFF_UP | IFF_BROADCAST | IFF_RUNNING | IFF_SIMPLEX | IFF_MULTICAST, 228 0, bind); 229 /* Link local address */ 230 mock_ifaddr6("igb1", "fe80::3", "ffff:ffff:ffff:ffff::", 231 "fe80::ffff:ffff:ffff:ffff", 232 IFF_UP | IFF_BROADCAST | IFF_RUNNING | IFF_SIMPLEX | IFF_MULTICAST, 233 3, bind); 234 } 235 236 /* igb2 is on a different subnet than igb0 */ 237 static void 238 mock_igb2(void) 239 { 240 mock_ifaddr4("igb2", "192.0.2.130", "255.255.255.128", "192.0.2.255", 241 IFF_UP | IFF_BROADCAST | IFF_RUNNING | IFF_SIMPLEX | IFF_MULTICAST, 242 false); 243 mock_ifaddr6("igb2", "2001:db8:1::2", "ffff:ffff:ffff:ffff::", 244 "2001:db8:1:0:ffff:ffff:ffff:ffff", 245 IFF_UP | IFF_BROADCAST | IFF_RUNNING | IFF_SIMPLEX | IFF_MULTICAST, 246 0, false); 247 } 248 249 /* tun0 is a P2P interface */ 250 static void 251 mock_tun0(void) 252 { 253 mock_ifaddr4("tun0", "192.0.2.5", "255.255.255.255", "192.0.2.6", 254 IFF_UP | IFF_RUNNING | IFF_POINTOPOINT | IFF_MULTICAST, false); 255 mock_ifaddr6("tun0", "2001:db8::5", 256 "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 257 "2001:db8::6", 258 IFF_UP | IFF_RUNNING | IFF_POINTOPOINT | IFF_MULTICAST, 0, false); 259 } 260 261 262 /* Stub rpcbind functions */ 263 int 264 listen_addr(const struct sockaddr *sa) 265 { 266 int i; 267 268 if (bind_address_count == 0) 269 return (1); 270 271 for (i = 0; i < bind_address_count; i++) { 272 if (bind_addresses[i]->sa_family != sa->sa_family) 273 continue; 274 275 if (0 == memcmp(bind_addresses[i]->sa_data, sa->sa_data, 276 sa->sa_len)) 277 return (1); 278 } 279 return (0); 280 } 281 282 struct netconfig* 283 rpcbind_get_conf(const char* netid __unused) 284 { 285 /* Use static variables so we can return pointers to them */ 286 static char* lookups = NULL; 287 static struct netconfig nconf_udp; 288 #ifdef INET6 289 static struct netconfig nconf_udp6; 290 #endif /* INET6 */ 291 292 nconf_udp.nc_netid = "udp"; //netid_storage; 293 nconf_udp.nc_semantics = NC_TPI_CLTS; 294 nconf_udp.nc_flag = NC_VISIBLE; 295 nconf_udp.nc_protofmly = (char*)"inet"; 296 nconf_udp.nc_proto = (char*)"udp"; 297 nconf_udp.nc_device = (char*)"-"; 298 nconf_udp.nc_nlookups = 0; 299 nconf_udp.nc_lookups = &lookups; 300 301 #ifdef INET6 302 nconf_udp6.nc_netid = "udp6"; //netid_storage; 303 nconf_udp6.nc_semantics = NC_TPI_CLTS; 304 nconf_udp6.nc_flag = NC_VISIBLE; 305 nconf_udp6.nc_protofmly = (char*)"inet6"; 306 nconf_udp6.nc_proto = (char*)"udp6"; 307 nconf_udp6.nc_device = (char*)"-"; 308 nconf_udp6.nc_nlookups = 0; 309 nconf_udp6.nc_lookups = &lookups; 310 #endif /* INET6 */ 311 312 if (0 == strncmp("udp", netid, sizeof("udp"))) 313 return (&nconf_udp); 314 #ifdef INET6 315 else if (0 == strncmp("udp6", netid, sizeof("udp6"))) 316 return (&nconf_udp6); 317 #endif /* INET6 */ 318 else 319 return (NULL); 320 } 321 322 /* 323 * Helper function used by most test cases 324 * param recvdstaddr If non-null, the uaddr on which the request was received 325 */ 326 static char* 327 do_addrmerge4(const char* recvdstaddr) 328 { 329 struct netbuf caller; 330 struct sockaddr_in caller_in; 331 const char *serv_uaddr, *clnt_uaddr, *netid; 332 333 /* caller contains the client's IP address */ 334 caller.maxlen = sizeof(struct sockaddr_storage); 335 caller.len = sizeof(caller_in); 336 caller_in.sin_family = AF_INET; 337 caller_in.sin_len = sizeof(caller_in); 338 caller_in.sin_port = 1234; 339 caller_in.sin_addr.s_addr = inet_addr("192.0.2.1"); 340 caller.buf = (void*)&caller_in; 341 if (recvdstaddr != NULL) 342 clnt_uaddr = recvdstaddr; 343 else 344 clnt_uaddr = "192.0.2.1.3.46"; 345 346 /* assume server is bound in INADDR_ANY port 814 */ 347 serv_uaddr = "0.0.0.0.3.46"; 348 349 netid = "udp"; 350 return (addrmerge(&caller, serv_uaddr, clnt_uaddr, netid)); 351 } 352 353 #ifdef INET6 354 /* 355 * Variant of do_addrmerge4 where the caller has an IPv6 address 356 * param recvdstaddr If non-null, the uaddr on which the request was received 357 */ 358 static char* 359 do_addrmerge6(const char* recvdstaddr) 360 { 361 struct netbuf caller; 362 struct sockaddr_in6 caller_in6; 363 const char *serv_uaddr, *clnt_uaddr, *netid; 364 365 /* caller contains the client's IP address */ 366 caller.maxlen = sizeof(struct sockaddr_storage); 367 caller.len = sizeof(caller_in6); 368 caller_in6.sin6_family = AF_INET6; 369 caller_in6.sin6_len = sizeof(caller_in6); 370 caller_in6.sin6_port = 1234; 371 ATF_REQUIRE_EQ(1, inet_pton(AF_INET6, "2001:db8::1", 372 (void*)&caller_in6.sin6_addr)); 373 caller.buf = (void*)&caller_in6; 374 if (recvdstaddr != NULL) 375 clnt_uaddr = recvdstaddr; 376 else 377 clnt_uaddr = "2001:db8::1.3.46"; 378 379 /* assume server is bound in INADDR_ANY port 814 */ 380 serv_uaddr = "::1.3.46"; 381 382 netid = "udp6"; 383 return (addrmerge(&caller, serv_uaddr, clnt_uaddr, netid)); 384 } 385 386 /* Variant of do_addrmerge6 where the caller uses a link local address */ 387 static char* 388 do_addrmerge6_ll(void) 389 { 390 struct netbuf caller; 391 struct sockaddr_in6 caller_in6; 392 const char *serv_uaddr, *clnt_uaddr, *netid; 393 394 /* caller contains the client's IP address */ 395 caller.maxlen = sizeof(struct sockaddr_storage); 396 caller.len = sizeof(caller_in6); 397 caller_in6.sin6_family = AF_INET6; 398 caller_in6.sin6_len = sizeof(caller_in6); 399 caller_in6.sin6_port = 1234; 400 caller_in6.sin6_scope_id = 2; /* same as igb0 */ 401 ATF_REQUIRE_EQ(1, inet_pton(AF_INET6, "fe80::beef", 402 (void*)&caller_in6.sin6_addr)); 403 caller.buf = (void*)&caller_in6; 404 clnt_uaddr = "fe80::beef.3.46"; 405 406 /* assume server is bound in INADDR_ANY port 814 */ 407 serv_uaddr = "::1.3.46"; 408 409 netid = "udp6"; 410 return (addrmerge(&caller, serv_uaddr, clnt_uaddr, netid)); 411 } 412 #endif /* INET6 */ 413 414 ATF_TC_WITHOUT_HEAD(addrmerge_noifaddrs); 415 ATF_TC_BODY(addrmerge_noifaddrs, tc) 416 { 417 char* maddr; 418 419 maddr = do_addrmerge4(NULL); 420 421 /* Since getifaddrs returns null, addrmerge must too */ 422 ATF_CHECK_EQ(NULL, maddr); 423 } 424 425 ATF_TC_WITHOUT_HEAD(addrmerge_localhost_only); 426 ATF_TC_BODY(addrmerge_localhost_only, tc) 427 { 428 char *maddr; 429 430 /* getifaddrs will return localhost only */ 431 mock_lo0(); 432 433 maddr = do_addrmerge4(NULL); 434 435 /* We must return localhost if there is nothing better */ 436 ATF_REQUIRE(maddr != NULL); 437 ATF_CHECK_STREQ("127.0.0.1.3.46", maddr); 438 } 439 440 ATF_TC_WITHOUT_HEAD(addrmerge_singlehomed); 441 ATF_TC_BODY(addrmerge_singlehomed, tc) 442 { 443 char *maddr; 444 445 /* getifaddrs will return one public address */ 446 mock_lo0(); 447 mock_igb0(); 448 449 maddr = do_addrmerge4(NULL); 450 451 ATF_REQUIRE(maddr != NULL); 452 ATF_CHECK_STREQ("192.0.2.2.3.46", maddr); 453 } 454 455 ATF_TC_WITHOUT_HEAD(addrmerge_one_addr_on_each_subnet); 456 ATF_TC_BODY(addrmerge_one_addr_on_each_subnet, tc) 457 { 458 char *maddr; 459 460 mock_lo0(); 461 mock_igb0(); 462 mock_igb2(); 463 464 maddr = do_addrmerge4(NULL); 465 466 /* We must return the address on the caller's subnet */ 467 ATF_REQUIRE(maddr != NULL); 468 ATF_CHECK_STREQ("192.0.2.2.3.46", maddr); 469 } 470 471 472 /* 473 * Like addrmerge_one_addr_on_each_subnet, but getifaddrs returns a different 474 * order 475 */ 476 ATF_TC_WITHOUT_HEAD(addrmerge_one_addr_on_each_subnet_rev); 477 ATF_TC_BODY(addrmerge_one_addr_on_each_subnet_rev, tc) 478 { 479 char *maddr; 480 481 /* getifaddrs will return one public address on each of two subnets */ 482 mock_igb2(); 483 mock_igb0(); 484 mock_lo0(); 485 486 maddr = do_addrmerge4(NULL); 487 488 /* We must return the address on the caller's subnet */ 489 ATF_REQUIRE(maddr != NULL); 490 ATF_CHECK_STREQ("192.0.2.2.3.46", maddr); 491 } 492 493 ATF_TC_WITHOUT_HEAD(addrmerge_point2point); 494 ATF_TC_BODY(addrmerge_point2point, tc) 495 { 496 char *maddr; 497 498 /* getifaddrs will return one normal and one p2p address */ 499 mock_lo0(); 500 mock_igb2(); 501 mock_tun0(); 502 503 maddr = do_addrmerge4(NULL); 504 505 /* addrmerge should disprefer P2P interfaces */ 506 ATF_REQUIRE(maddr != NULL); 507 ATF_CHECK_STREQ("192.0.2.130.3.46", maddr); 508 } 509 510 /* Like addrerge_point2point, but getifaddrs returns a different order */ 511 ATF_TC_WITHOUT_HEAD(addrmerge_point2point_rev); 512 ATF_TC_BODY(addrmerge_point2point_rev, tc) 513 { 514 char *maddr; 515 516 /* getifaddrs will return one normal and one p2p address */ 517 mock_tun0(); 518 mock_igb2(); 519 mock_lo0(); 520 521 maddr = do_addrmerge4(NULL); 522 523 /* addrmerge should disprefer P2P interfaces */ 524 ATF_REQUIRE(maddr != NULL); 525 ATF_CHECK_STREQ("192.0.2.130.3.46", maddr); 526 } 527 528 /* 529 * Simulate using rpcbind -h to select just one ip when the subnet has 530 * multiple 531 */ 532 ATF_TC_WITHOUT_HEAD(addrmerge_bindip); 533 ATF_TC_BODY(addrmerge_bindip, tc) 534 { 535 char *maddr; 536 537 /* getifaddrs will return one public address on each of two subnets */ 538 mock_lo0(); 539 mock_igb0(); 540 mock_igb1(true); 541 542 maddr = do_addrmerge4(NULL); 543 544 /* We must return the address to which we are bound */ 545 ATF_REQUIRE(maddr != NULL); 546 ATF_CHECK_STREQ("192.0.2.3.3.46", maddr); 547 } 548 549 /* Like addrmerge_bindip, but getifaddrs returns a different order */ 550 ATF_TC_WITHOUT_HEAD(addrmerge_bindip_rev); 551 ATF_TC_BODY(addrmerge_bindip_rev, tc) 552 { 553 char *maddr; 554 555 /* getifaddrs will return one public address on each of two subnets */ 556 mock_igb1(true); 557 mock_igb0(); 558 mock_lo0(); 559 560 maddr = do_addrmerge4(NULL); 561 562 /* We must return the address to which we are bound */ 563 ATF_REQUIRE(maddr != NULL); 564 ATF_CHECK_STREQ("192.0.2.3.3.46", maddr); 565 } 566 567 /* 568 * The address on which the request was received is known, and is provided as 569 * the hint. 570 */ 571 ATF_TC_WITHOUT_HEAD(addrmerge_recvdstaddr); 572 ATF_TC_BODY(addrmerge_recvdstaddr, tc) 573 { 574 char *maddr; 575 576 mock_lo0(); 577 mock_igb0(); 578 mock_igb1(false); 579 580 maddr = do_addrmerge4("192.0.2.2.3.46"); 581 582 /* We must return the address on which the request was received */ 583 ATF_REQUIRE(maddr != NULL); 584 ATF_CHECK_STREQ("192.0.2.2.3.46", maddr); 585 } 586 587 ATF_TC_WITHOUT_HEAD(addrmerge_recvdstaddr_rev); 588 ATF_TC_BODY(addrmerge_recvdstaddr_rev, tc) 589 { 590 char *maddr; 591 592 mock_igb1(false); 593 mock_igb0(); 594 mock_lo0(); 595 596 maddr = do_addrmerge4("192.0.2.2.3.46"); 597 598 /* We must return the address on which the request was received */ 599 ATF_REQUIRE(maddr != NULL); 600 ATF_CHECK_STREQ("192.0.2.2.3.46", maddr); 601 } 602 603 #ifdef INET6 604 ATF_TC_WITHOUT_HEAD(addrmerge_localhost_only6); 605 ATF_TC_BODY(addrmerge_localhost_only6, tc) 606 { 607 char *maddr; 608 609 /* getifaddrs will return localhost only */ 610 mock_lo0(); 611 612 maddr = do_addrmerge6(NULL); 613 614 /* We must return localhost if there is nothing better */ 615 ATF_REQUIRE(maddr != NULL); 616 ATF_CHECK_STREQ("::1.3.46", maddr); 617 } 618 619 ATF_TC_WITHOUT_HEAD(addrmerge_singlehomed6); 620 ATF_TC_BODY(addrmerge_singlehomed6, tc) 621 { 622 char *maddr; 623 624 /* getifaddrs will return one public address */ 625 mock_lo0(); 626 mock_igb0(); 627 628 maddr = do_addrmerge6(NULL); 629 630 ATF_REQUIRE(maddr != NULL); 631 ATF_CHECK_STREQ("2001:db8::2.3.46", maddr); 632 } 633 634 ATF_TC_WITHOUT_HEAD(addrmerge_one_addr_on_each_subnet6); 635 ATF_TC_BODY(addrmerge_one_addr_on_each_subnet6, tc) 636 { 637 char *maddr; 638 639 mock_lo0(); 640 mock_igb0(); 641 mock_igb2(); 642 643 maddr = do_addrmerge6(NULL); 644 645 /* We must return the address on the caller's subnet */ 646 ATF_REQUIRE(maddr != NULL); 647 ATF_CHECK_STREQ("2001:db8::2.3.46", maddr); 648 } 649 650 651 /* 652 * Like addrmerge_one_addr_on_each_subnet6, but getifaddrs returns a different 653 * order 654 */ 655 ATF_TC_WITHOUT_HEAD(addrmerge_one_addr_on_each_subnet6_rev); 656 ATF_TC_BODY(addrmerge_one_addr_on_each_subnet6_rev, tc) 657 { 658 char *maddr; 659 660 /* getifaddrs will return one public address on each of two subnets */ 661 mock_igb2(); 662 mock_igb0(); 663 mock_lo0(); 664 665 maddr = do_addrmerge6(NULL); 666 667 /* We must return the address on the caller's subnet */ 668 ATF_REQUIRE(maddr != NULL); 669 ATF_CHECK_STREQ("2001:db8::2.3.46", maddr); 670 } 671 672 ATF_TC_WITHOUT_HEAD(addrmerge_point2point6); 673 ATF_TC_BODY(addrmerge_point2point6, tc) 674 { 675 char *maddr; 676 677 /* getifaddrs will return one normal and one p2p address */ 678 mock_lo0(); 679 mock_igb2(); 680 mock_tun0(); 681 682 maddr = do_addrmerge6(NULL); 683 684 /* addrmerge should disprefer P2P interfaces */ 685 ATF_REQUIRE(maddr != NULL); 686 ATF_CHECK_STREQ("2001:db8:1::2.3.46", maddr); 687 } 688 689 /* Like addrerge_point2point, but getifaddrs returns a different order */ 690 ATF_TC_WITHOUT_HEAD(addrmerge_point2point6_rev); 691 ATF_TC_BODY(addrmerge_point2point6_rev, tc) 692 { 693 char *maddr; 694 695 /* getifaddrs will return one normal and one p2p address */ 696 mock_tun0(); 697 mock_igb2(); 698 mock_lo0(); 699 700 maddr = do_addrmerge6(NULL); 701 702 /* addrmerge should disprefer P2P interfaces */ 703 ATF_REQUIRE(maddr != NULL); 704 ATF_CHECK_STREQ("2001:db8:1::2.3.46", maddr); 705 } 706 707 ATF_TC_WITHOUT_HEAD(addrmerge_bindip6); 708 ATF_TC_BODY(addrmerge_bindip6, tc) 709 { 710 char *maddr; 711 712 /* getifaddrs will return one public address on each of two subnets */ 713 mock_lo0(); 714 mock_igb0(); 715 mock_igb1(true); 716 717 maddr = do_addrmerge6(NULL); 718 719 /* We must return the address to which we are bound */ 720 ATF_REQUIRE(maddr != NULL); 721 ATF_CHECK_STREQ("2001:db8::3.3.46", maddr); 722 } 723 724 /* Like addrerge_bindip, but getifaddrs returns a different order */ 725 ATF_TC_WITHOUT_HEAD(addrmerge_bindip6_rev); 726 ATF_TC_BODY(addrmerge_bindip6_rev, tc) 727 { 728 char *maddr; 729 730 /* getifaddrs will return one public address on each of two subnets */ 731 mock_igb1(true); 732 mock_igb0(); 733 mock_lo0(); 734 735 maddr = do_addrmerge6(NULL); 736 737 /* We must return the address to which we are bound */ 738 ATF_REQUIRE(maddr != NULL); 739 ATF_CHECK_STREQ("2001:db8::3.3.46", maddr); 740 } 741 742 /* 743 * IPv6 Link Local addresses with the same scope id as the caller, if the caller 744 * is also a link local address, should be preferred 745 */ 746 ATF_TC_WITHOUT_HEAD(addrmerge_ipv6_linklocal); 747 ATF_TC_BODY(addrmerge_ipv6_linklocal, tc) 748 { 749 char *maddr; 750 751 /* 752 * getifaddrs will return two link local addresses with the same netmask 753 * and prefix but different scope IDs 754 */ 755 mock_igb1(false); 756 mock_igb0(); 757 mock_lo0(); 758 759 maddr = do_addrmerge6_ll(); 760 761 /* We must return the address to which we are bound */ 762 ATF_REQUIRE(maddr != NULL); 763 ATF_CHECK_STREQ("fe80::2.3.46", maddr); 764 } 765 766 ATF_TC_WITHOUT_HEAD(addrmerge_ipv6_linklocal_rev); 767 ATF_TC_BODY(addrmerge_ipv6_linklocal_rev, tc) 768 { 769 char *maddr; 770 771 /* 772 * getifaddrs will return two link local addresses with the same netmask 773 * and prefix but different scope IDs 774 */ 775 mock_lo0(); 776 mock_igb0(); 777 mock_igb1(false); 778 779 maddr = do_addrmerge6_ll(); 780 781 /* We must return the address to which we are bound */ 782 ATF_REQUIRE(maddr != NULL); 783 ATF_CHECK_STREQ("fe80::2.3.46", maddr); 784 } 785 786 ATF_TC_WITHOUT_HEAD(addrmerge_recvdstaddr6); 787 ATF_TC_BODY(addrmerge_recvdstaddr6, tc) 788 { 789 char *maddr; 790 791 mock_lo0(); 792 mock_igb0(); 793 mock_igb1(false); 794 795 maddr = do_addrmerge6("2001:db8::2.3.46"); 796 797 /* We must return the address on which the request was received */ 798 ATF_REQUIRE(maddr != NULL); 799 ATF_CHECK_STREQ("2001:db8::2.3.46", maddr); 800 } 801 802 ATF_TC_WITHOUT_HEAD(addrmerge_recvdstaddr6_rev); 803 ATF_TC_BODY(addrmerge_recvdstaddr6_rev, tc) 804 { 805 char *maddr; 806 807 mock_igb1(false); 808 mock_igb0(); 809 mock_lo0(); 810 811 maddr = do_addrmerge6("2001:db8::2.3.46"); 812 813 /* We must return the address on which the request was received */ 814 ATF_REQUIRE(maddr != NULL); 815 ATF_CHECK_STREQ("2001:db8::2.3.46", maddr); 816 } 817 #endif /* INET6 */ 818 819 820 ATF_TP_ADD_TCS(tp) 821 { 822 ATF_TP_ADD_TC(tp, addrmerge_noifaddrs); 823 ATF_TP_ADD_TC(tp, addrmerge_localhost_only); 824 ATF_TP_ADD_TC(tp, addrmerge_singlehomed); 825 ATF_TP_ADD_TC(tp, addrmerge_one_addr_on_each_subnet); 826 ATF_TP_ADD_TC(tp, addrmerge_one_addr_on_each_subnet_rev); 827 ATF_TP_ADD_TC(tp, addrmerge_point2point); 828 ATF_TP_ADD_TC(tp, addrmerge_point2point_rev); 829 ATF_TP_ADD_TC(tp, addrmerge_bindip); 830 ATF_TP_ADD_TC(tp, addrmerge_bindip_rev); 831 ATF_TP_ADD_TC(tp, addrmerge_recvdstaddr); 832 ATF_TP_ADD_TC(tp, addrmerge_recvdstaddr_rev); 833 #ifdef INET6 834 ATF_TP_ADD_TC(tp, addrmerge_localhost_only6); 835 ATF_TP_ADD_TC(tp, addrmerge_singlehomed6); 836 ATF_TP_ADD_TC(tp, addrmerge_one_addr_on_each_subnet6); 837 ATF_TP_ADD_TC(tp, addrmerge_one_addr_on_each_subnet6_rev); 838 ATF_TP_ADD_TC(tp, addrmerge_point2point6); 839 ATF_TP_ADD_TC(tp, addrmerge_point2point6_rev); 840 ATF_TP_ADD_TC(tp, addrmerge_bindip6); 841 ATF_TP_ADD_TC(tp, addrmerge_bindip6_rev); 842 ATF_TP_ADD_TC(tp, addrmerge_ipv6_linklocal); 843 ATF_TP_ADD_TC(tp, addrmerge_ipv6_linklocal_rev); 844 ATF_TP_ADD_TC(tp, addrmerge_recvdstaddr6); 845 ATF_TP_ADD_TC(tp, addrmerge_recvdstaddr6_rev); 846 #endif 847 848 return (atf_no_error()); 849 } 850