/* Copyright (c) 2001-2004, Roger Dingledine. * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. * Copyright (c) 2007-2011, The Tor Project, Inc. */ /* See LICENSE for licensing information */ #include "orconfig.h" #include "or.h" #include "test.h" static void test_addr_basic(void) { uint32_t u32; uint16_t u16; char *cp; /* Test parse_addr_port */ cp = NULL; u32 = 3; u16 = 3; test_assert(!parse_addr_port(LOG_WARN, "1.2.3.4", &cp, &u32, &u16)); test_streq(cp, "1.2.3.4"); test_eq(u32, 0x01020304u); test_eq(u16, 0); tor_free(cp); test_assert(!parse_addr_port(LOG_WARN, "4.3.2.1:99", &cp, &u32, &u16)); test_streq(cp, "4.3.2.1"); test_eq(u32, 0x04030201u); test_eq(u16, 99); tor_free(cp); test_assert(!parse_addr_port(LOG_WARN, "nonexistent.address:4040", &cp, NULL, &u16)); test_streq(cp, "nonexistent.address"); test_eq(u16, 4040); tor_free(cp); test_assert(!parse_addr_port(LOG_WARN, "localhost:9999", &cp, &u32, &u16)); test_streq(cp, "localhost"); test_eq(u32, 0x7f000001u); test_eq(u16, 9999); tor_free(cp); u32 = 3; test_assert(!parse_addr_port(LOG_WARN, "localhost", NULL, &u32, &u16)); test_eq(cp, NULL); test_eq(u32, 0x7f000001u); test_eq(u16, 0); tor_free(cp); test_eq(0, addr_mask_get_bits(0x0u)); test_eq(32, addr_mask_get_bits(0xFFFFFFFFu)); test_eq(16, addr_mask_get_bits(0xFFFF0000u)); test_eq(31, addr_mask_get_bits(0xFFFFFFFEu)); test_eq(1, addr_mask_get_bits(0x80000000u)); /* Test inet_ntop */ { char tmpbuf[TOR_ADDR_BUF_LEN]; const char *ip = "176.192.208.224"; struct in_addr in; tor_inet_pton(AF_INET, ip, &in); tor_inet_ntop(AF_INET, &in, tmpbuf, sizeof(tmpbuf)); test_streq(tmpbuf, ip); } done: ; } #define _test_op_ip6(a,op,b,e1,e2) \ STMT_BEGIN \ tt_assert_test_fmt_type(a,b,e1" "#op" "e2,struct in6_addr*, \ (memcmp(_val1->s6_addr, _val2->s6_addr, 16) op 0), \ char *, "%s", \ { int i; char *cp; \ cp = _print = tor_malloc(64); \ for (i=0;i<16;++i) { \ tor_snprintf(cp, 3,"%02x", (unsigned)_value->s6_addr[i]);\ cp += 2; \ if (i != 15) *cp++ = ':'; \ } \ }, \ { tor_free(_print); }, \ TT_EXIT_TEST_FUNCTION \ ); \ STMT_END /** Helper: Assert that two strings both decode as IPv6 addresses with * tor_inet_pton(), and both decode to the same address. */ #define test_pton6_same(a,b) STMT_BEGIN \ test_eq(tor_inet_pton(AF_INET6, a, &a1), 1); \ test_eq(tor_inet_pton(AF_INET6, b, &a2), 1); \ _test_op_ip6(&a1,==,&a2,#a,#b); \ STMT_END /** Helper: Assert that a is recognized as a bad IPv6 address by * tor_inet_pton(). */ #define test_pton6_bad(a) \ test_eq(0, tor_inet_pton(AF_INET6, a, &a1)) /** Helper: assert that a, when parsed by tor_inet_pton() and displayed * with tor_inet_ntop(), yields b. Also assert that b parses to * the same value as a. */ #define test_ntop6_reduces(a,b) STMT_BEGIN \ test_eq(tor_inet_pton(AF_INET6, a, &a1), 1); \ test_streq(tor_inet_ntop(AF_INET6, &a1, buf, sizeof(buf)), b); \ test_eq(tor_inet_pton(AF_INET6, b, &a2), 1); \ _test_op_ip6(&a1, ==, &a2, a, b); \ STMT_END /** Helper: assert that a parses by tor_inet_pton() into a address that * passes tor_addr_is_internal() with for_listening. */ #define test_internal_ip(a,for_listening) STMT_BEGIN \ test_eq(tor_inet_pton(AF_INET6, a, &t1.addr.in6_addr), 1); \ t1.family = AF_INET6; \ if (!tor_addr_is_internal(&t1, for_listening)) \ test_fail_msg( a "was not internal."); \ STMT_END /** Helper: assert that a parses by tor_inet_pton() into a address that * does not pass tor_addr_is_internal() with for_listening. */ #define test_external_ip(a,for_listening) STMT_BEGIN \ test_eq(tor_inet_pton(AF_INET6, a, &t1.addr.in6_addr), 1); \ t1.family = AF_INET6; \ if (tor_addr_is_internal(&t1, for_listening)) \ test_fail_msg(a "was not external."); \ STMT_END /** Helper: Assert that a and b, when parsed by * tor_inet_pton(), give addresses that compare in the order defined by * op with tor_addr_compare(). */ #define test_addr_compare(a, op, b) STMT_BEGIN \ test_eq(tor_inet_pton(AF_INET6, a, &t1.addr.in6_addr), 1); \ test_eq(tor_inet_pton(AF_INET6, b, &t2.addr.in6_addr), 1); \ t1.family = t2.family = AF_INET6; \ r = tor_addr_compare(&t1,&t2,CMP_SEMANTIC); \ if (!(r op 0)) \ test_fail_msg("failed: tor_addr_compare("a","b") "#op" 0"); \ STMT_END /** Helper: Assert that a and b, when parsed by * tor_inet_pton(), give addresses that compare in the order defined by * op with tor_addr_compare_masked() with m masked. */ #define test_addr_compare_masked(a, op, b, m) STMT_BEGIN \ test_eq(tor_inet_pton(AF_INET6, a, &t1.addr.in6_addr), 1); \ test_eq(tor_inet_pton(AF_INET6, b, &t2.addr.in6_addr), 1); \ t1.family = t2.family = AF_INET6; \ r = tor_addr_compare_masked(&t1,&t2,m,CMP_SEMANTIC); \ if (!(r op 0)) \ test_fail_msg("failed: tor_addr_compare_masked("a","b","#m") "#op" 0"); \ STMT_END /** Helper: assert that xx is parseable as a masked IPv6 address with * ports by tor_parse_mask_addr_ports(), with family f, IP address * as 4 32-bit words ip1...ip4, mask bits as mm, and port range * as pt1..pt2. */ #define test_addr_mask_ports_parse(xx, f, ip1, ip2, ip3, ip4, mm, pt1, pt2) \ STMT_BEGIN \ test_eq(tor_addr_parse_mask_ports(xx, &t1, &mask, &port1, &port2), f); \ p1=tor_inet_ntop(AF_INET6, &t1.addr.in6_addr, bug, sizeof(bug)); \ test_eq(htonl(ip1), tor_addr_to_in6_addr32(&t1)[0]); \ test_eq(htonl(ip2), tor_addr_to_in6_addr32(&t1)[1]); \ test_eq(htonl(ip3), tor_addr_to_in6_addr32(&t1)[2]); \ test_eq(htonl(ip4), tor_addr_to_in6_addr32(&t1)[3]); \ test_eq(mask, mm); \ test_eq(port1, pt1); \ test_eq(port2, pt2); \ STMT_END /** Run unit tests for IPv6 encoding/decoding/manipulation functions. */ static void test_addr_ip6_helpers(void) { char buf[TOR_ADDR_BUF_LEN], bug[TOR_ADDR_BUF_LEN]; struct in6_addr a1, a2; tor_addr_t t1, t2; int r, i; uint16_t port1, port2; maskbits_t mask; const char *p1; struct sockaddr_storage sa_storage; struct sockaddr_in *sin; struct sockaddr_in6 *sin6; // struct in_addr b1, b2; /* Test tor_inet_ntop and tor_inet_pton: IPv6 */ /* ==== Converting to and from sockaddr_t. */ sin = (struct sockaddr_in *)&sa_storage; sin->sin_family = AF_INET; sin->sin_port = 9090; sin->sin_addr.s_addr = htonl(0x7f7f0102); /*127.127.1.2*/ tor_addr_from_sockaddr(&t1, (struct sockaddr *)sin, NULL); test_eq(tor_addr_family(&t1), AF_INET); test_eq(tor_addr_to_ipv4h(&t1), 0x7f7f0102); memset(&sa_storage, 0, sizeof(sa_storage)); test_eq(sizeof(struct sockaddr_in), tor_addr_to_sockaddr(&t1, 1234, (struct sockaddr *)&sa_storage, sizeof(sa_storage))); test_eq(1234, ntohs(sin->sin_port)); test_eq(0x7f7f0102, ntohl(sin->sin_addr.s_addr)); memset(&sa_storage, 0, sizeof(sa_storage)); sin6 = (struct sockaddr_in6 *)&sa_storage; sin6->sin6_family = AF_INET6; sin6->sin6_port = htons(7070); sin6->sin6_addr.s6_addr[0] = 128; tor_addr_from_sockaddr(&t1, (struct sockaddr *)sin6, NULL); test_eq(tor_addr_family(&t1), AF_INET6); p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 0); test_streq(p1, "8000::"); memset(&sa_storage, 0, sizeof(sa_storage)); test_eq(sizeof(struct sockaddr_in6), tor_addr_to_sockaddr(&t1, 9999, (struct sockaddr *)&sa_storage, sizeof(sa_storage))); test_eq(AF_INET6, sin6->sin6_family); test_eq(9999, ntohs(sin6->sin6_port)); test_eq(0x80000000, ntohl(S6_ADDR32(sin6->sin6_addr)[0])); /* ==== tor_addr_lookup: static cases. (Can't test dns without knowing we * have a good resolver. */ test_eq(0, tor_addr_lookup("127.128.129.130", AF_UNSPEC, &t1)); test_eq(AF_INET, tor_addr_family(&t1)); test_eq(tor_addr_to_ipv4h(&t1), 0x7f808182); test_eq(0, tor_addr_lookup("9000::5", AF_UNSPEC, &t1)); test_eq(AF_INET6, tor_addr_family(&t1)); test_eq(0x90, tor_addr_to_in6_addr8(&t1)[0]); test_assert(tor_mem_is_zero((char*)tor_addr_to_in6_addr8(&t1)+1, 14)); test_eq(0x05, tor_addr_to_in6_addr8(&t1)[15]); /* === Test pton: valid af_inet6 */ /* Simple, valid parsing. */ r = tor_inet_pton(AF_INET6, "0102:0304:0506:0708:090A:0B0C:0D0E:0F10", &a1); test_assert(r==1); for (i=0;i<16;++i) { test_eq(i+1, (int)a1.s6_addr[i]); } /* ipv4 ending. */ test_pton6_same("0102:0304:0506:0708:090A:0B0C:0D0E:0F10", "0102:0304:0506:0708:090A:0B0C:13.14.15.16"); /* shortened words. */ test_pton6_same("0001:0099:BEEF:0000:0123:FFFF:0001:0001", "1:99:BEEF:0:0123:FFFF:1:1"); /* zeros at the beginning */ test_pton6_same("0000:0000:0000:0000:0009:C0A8:0001:0001", "::9:c0a8:1:1"); test_pton6_same("0000:0000:0000:0000:0009:C0A8:0001:0001", "::9:c0a8:0.1.0.1"); /* zeros in the middle. */ test_pton6_same("fe80:0000:0000:0000:0202:1111:0001:0001", "fe80::202:1111:1:1"); /* zeros at the end. */ test_pton6_same("1000:0001:0000:0007:0000:0000:0000:0000", "1000:1:0:7::"); /* === Test ntop: af_inet6 */ test_ntop6_reduces("0:0:0:0:0:0:0:0", "::"); test_ntop6_reduces("0001:0099:BEEF:0006:0123:FFFF:0001:0001", "1:99:beef:6:123:ffff:1:1"); //test_ntop6_reduces("0:0:0:0:0:0:c0a8:0101", "::192.168.1.1"); test_ntop6_reduces("0:0:0:0:0:ffff:c0a8:0101", "::ffff:192.168.1.1"); test_ntop6_reduces("002:0:0000:0:3::4", "2::3:0:0:4"); test_ntop6_reduces("0:0::1:0:3", "::1:0:3"); test_ntop6_reduces("008:0::0", "8::"); test_ntop6_reduces("0:0:0:0:0:ffff::1", "::ffff:0.0.0.1"); test_ntop6_reduces("abcd:0:0:0:0:0:7f00::", "abcd::7f00:0"); test_ntop6_reduces("0000:0000:0000:0000:0009:C0A8:0001:0001", "::9:c0a8:1:1"); test_ntop6_reduces("fe80:0000:0000:0000:0202:1111:0001:0001", "fe80::202:1111:1:1"); test_ntop6_reduces("1000:0001:0000:0007:0000:0000:0000:0000", "1000:1:0:7::"); /* === Test pton: invalid in6. */ test_pton6_bad("foobar."); test_pton6_bad("55555::"); test_pton6_bad("9:-60::"); test_pton6_bad("1:2:33333:4:0002:3::"); //test_pton6_bad("1:2:3333:4:00002:3::");// BAD, but glibc doesn't say so. test_pton6_bad("1:2:3333:4:fish:3::"); test_pton6_bad("1:2:3:4:5:6:7:8:9"); test_pton6_bad("1:2:3:4:5:6:7"); test_pton6_bad("1:2:3:4:5:6:1.2.3.4.5"); test_pton6_bad("1:2:3:4:5:6:1.2.3"); test_pton6_bad("::1.2.3"); test_pton6_bad("::1.2.3.4.5"); test_pton6_bad("99"); test_pton6_bad(""); test_pton6_bad("1::2::3:4"); test_pton6_bad("a:::b:c"); test_pton6_bad(":::a:b:c"); test_pton6_bad("a:b:c:::"); /* test internal checking */ test_external_ip("fbff:ffff::2:7", 0); test_internal_ip("fc01::2:7", 0); test_internal_ip("fdff:ffff::f:f", 0); test_external_ip("fe00::3:f", 0); test_external_ip("fe7f:ffff::2:7", 0); test_internal_ip("fe80::2:7", 0); test_internal_ip("febf:ffff::f:f", 0); test_internal_ip("fec0::2:7:7", 0); test_internal_ip("feff:ffff::e:7:7", 0); test_external_ip("ff00::e:7:7", 0); test_internal_ip("::", 0); test_internal_ip("::1", 0); test_internal_ip("::1", 1); test_internal_ip("::", 0); test_external_ip("::", 1); test_external_ip("::2", 0); test_external_ip("2001::", 0); test_external_ip("ffff::", 0); test_external_ip("::ffff:0.0.0.0", 1); test_internal_ip("::ffff:0.0.0.0", 0); test_internal_ip("::ffff:0.255.255.255", 0); test_external_ip("::ffff:1.0.0.0", 0); test_external_ip("::ffff:9.255.255.255", 0); test_internal_ip("::ffff:10.0.0.0", 0); test_internal_ip("::ffff:10.255.255.255", 0); test_external_ip("::ffff:11.0.0.0", 0); test_external_ip("::ffff:126.255.255.255", 0); test_internal_ip("::ffff:127.0.0.0", 0); test_internal_ip("::ffff:127.255.255.255", 0); test_external_ip("::ffff:128.0.0.0", 0); test_external_ip("::ffff:172.15.255.255", 0); test_internal_ip("::ffff:172.16.0.0", 0); test_internal_ip("::ffff:172.31.255.255", 0); test_external_ip("::ffff:172.32.0.0", 0); test_external_ip("::ffff:192.167.255.255", 0); test_internal_ip("::ffff:192.168.0.0", 0); test_internal_ip("::ffff:192.168.255.255", 0); test_external_ip("::ffff:192.169.0.0", 0); test_external_ip("::ffff:169.253.255.255", 0); test_internal_ip("::ffff:169.254.0.0", 0); test_internal_ip("::ffff:169.254.255.255", 0); test_external_ip("::ffff:169.255.0.0", 0); test_assert(is_internal_IP(0x7f000001, 0)); /* tor_addr_compare(tor_addr_t x2) */ test_addr_compare("ffff::", ==, "ffff::0"); test_addr_compare("0::3:2:1", <, "0::ffff:0.3.2.1"); test_addr_compare("0::2:2:1", <, "0::ffff:0.3.2.1"); test_addr_compare("0::ffff:0.3.2.1", >, "0::0:0:0"); test_addr_compare("0::ffff:5.2.2.1", <, "::ffff:6.0.0.0"); /* XXXX wrong. */ tor_addr_parse_mask_ports("[::ffff:2.3.4.5]", &t1, NULL, NULL, NULL); tor_addr_parse_mask_ports("2.3.4.5", &t2, NULL, NULL, NULL); test_assert(tor_addr_compare(&t1, &t2, CMP_SEMANTIC) == 0); tor_addr_parse_mask_ports("[::ffff:2.3.4.4]", &t1, NULL, NULL, NULL); tor_addr_parse_mask_ports("2.3.4.5", &t2, NULL, NULL, NULL); test_assert(tor_addr_compare(&t1, &t2, CMP_SEMANTIC) < 0); /* test compare_masked */ test_addr_compare_masked("ffff::", ==, "ffff::0", 128); test_addr_compare_masked("ffff::", ==, "ffff::0", 64); test_addr_compare_masked("0::2:2:1", <, "0::8000:2:1", 81); test_addr_compare_masked("0::2:2:1", ==, "0::8000:2:1", 80); /* Test decorated addr_to_string. */ test_eq(AF_INET6, tor_addr_from_str(&t1, "[123:45:6789::5005:11]")); p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1); test_streq(p1, "[123:45:6789::5005:11]"); test_eq(AF_INET, tor_addr_from_str(&t1, "18.0.0.1")); p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1); test_streq(p1, "18.0.0.1"); /* Test tor_addr_parse_reverse_lookup_name */ i = tor_addr_parse_reverse_lookup_name(&t1, "Foobar.baz", AF_UNSPEC, 0); test_eq(0, i); i = tor_addr_parse_reverse_lookup_name(&t1, "Foobar.baz", AF_UNSPEC, 1); test_eq(0, i); i = tor_addr_parse_reverse_lookup_name(&t1, "1.0.168.192.in-addr.arpa", AF_UNSPEC, 1); test_eq(1, i); test_eq(tor_addr_family(&t1), AF_INET); p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1); test_streq(p1, "192.168.0.1"); i = tor_addr_parse_reverse_lookup_name(&t1, "192.168.0.99", AF_UNSPEC, 0); test_eq(0, i); i = tor_addr_parse_reverse_lookup_name(&t1, "192.168.0.99", AF_UNSPEC, 1); test_eq(1, i); p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1); test_streq(p1, "192.168.0.99"); memset(&t1, 0, sizeof(t1)); i = tor_addr_parse_reverse_lookup_name(&t1, "0.1.2.3.4.5.6.7.8.9.a.b.c.d.e.f." "f.e.e.b.1.e.b.e.e.f.f.e.e.e.d.9." "ip6.ARPA", AF_UNSPEC, 0); test_eq(1, i); p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1); test_streq(p1, "[9dee:effe:ebe1:beef:fedc:ba98:7654:3210]"); /* Failing cases. */ i = tor_addr_parse_reverse_lookup_name(&t1, "6.7.8.9.a.b.c.d.e.f." "f.e.e.b.1.e.b.e.e.f.f.e.e.e.d.9." "ip6.ARPA", AF_UNSPEC, 0); test_eq(i, -1); i = tor_addr_parse_reverse_lookup_name(&t1, "6.7.8.9.a.b.c.d.e.f.a.b.c.d.e.f.0." "f.e.e.b.1.e.b.e.e.f.f.e.e.e.d.9." "ip6.ARPA", AF_UNSPEC, 0); test_eq(i, -1); i = tor_addr_parse_reverse_lookup_name(&t1, "6.7.8.9.a.b.c.d.e.f.X.0.0.0.0.9." "f.e.e.b.1.e.b.e.e.f.f.e.e.e.d.9." "ip6.ARPA", AF_UNSPEC, 0); test_eq(i, -1); i = tor_addr_parse_reverse_lookup_name(&t1, "32.1.1.in-addr.arpa", AF_UNSPEC, 0); test_eq(i, -1); i = tor_addr_parse_reverse_lookup_name(&t1, ".in-addr.arpa", AF_UNSPEC, 0); test_eq(i, -1); i = tor_addr_parse_reverse_lookup_name(&t1, "1.2.3.4.5.in-addr.arpa", AF_UNSPEC, 0); test_eq(i, -1); i = tor_addr_parse_reverse_lookup_name(&t1, "1.2.3.4.5.in-addr.arpa", AF_INET6, 0); test_eq(i, -1); i = tor_addr_parse_reverse_lookup_name(&t1, "6.7.8.9.a.b.c.d.e.f.a.b.c.d.e.0." "f.e.e.b.1.e.b.e.e.f.f.e.e.e.d.9." "ip6.ARPA", AF_INET, 0); test_eq(i, -1); /* test tor_addr_parse_mask_ports */ test_addr_mask_ports_parse("[::f]/17:47-95", AF_INET6, 0, 0, 0, 0x0000000f, 17, 47, 95); test_streq(p1, "::f"); //test_addr_parse("[::fefe:4.1.1.7/120]:999-1000"); //test_addr_parse_check("::fefe:401:107", 120, 999, 1000); test_addr_mask_ports_parse("[::ffff:4.1.1.7]/120:443", AF_INET6, 0, 0, 0x0000ffff, 0x04010107, 120, 443, 443); test_streq(p1, "::ffff:4.1.1.7"); test_addr_mask_ports_parse("[abcd:2::44a:0]:2-65000", AF_INET6, 0xabcd0002, 0, 0, 0x044a0000, 128, 2, 65000); test_streq(p1, "abcd:2::44a:0"); r=tor_addr_parse_mask_ports("[fefef::]/112", &t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("efef::/112", &t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("[f:f:f:f:f:f:f:f::]", &t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("[::f:f:f:f:f:f:f:f]", &t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("[f:f:f:f:f:f:f:f:f]", &t1, NULL, NULL, NULL); test_assert(r == -1); /* Test for V4-mapped address with mask < 96. (arguably not valid) */ r=tor_addr_parse_mask_ports("[::ffff:1.1.2.2/33]", &t1, &mask, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("1.1.2.2/33", &t1, &mask, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("1.1.2.2/31", &t1, &mask, NULL, NULL); test_assert(r == AF_INET); r=tor_addr_parse_mask_ports("[efef::]/112", &t1, &mask, &port1, &port2); test_assert(r == AF_INET6); test_assert(port1 == 1); test_assert(port2 == 65535); /* make sure inet address lengths >= max */ test_assert(INET_NTOA_BUF_LEN >= sizeof("255.255.255.255")); test_assert(TOR_ADDR_BUF_LEN >= sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")); test_assert(sizeof(tor_addr_t) >= sizeof(struct in6_addr)); /* get interface addresses */ r = get_interface_address6(LOG_DEBUG, AF_INET, &t1); i = get_interface_address6(LOG_DEBUG, AF_INET6, &t2); #if 0 tor_inet_ntop(AF_INET, &t1.sa.sin_addr, buf, sizeof(buf)); printf("\nv4 address: %s (family=%d)", buf, IN_FAMILY(&t1)); tor_inet_ntop(AF_INET6, &t2.sa6.sin6_addr, buf, sizeof(buf)); printf("\nv6 address: %s (family=%d)", buf, IN_FAMILY(&t2)); #endif done: ; } #define ADDR_LEGACY(name) \ { #name, legacy_test_helper, 0, &legacy_setup, test_addr_ ## name } struct testcase_t addr_tests[] = { ADDR_LEGACY(basic), ADDR_LEGACY(ip6_helpers), END_OF_TESTCASES };