/* Copyright (c) 2001-2004, Roger Dingledine. * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. * Copyright (c) 2007-2013, The Tor Project, Inc. */ /* See LICENSE for licensing information */ #define ADDRESSMAP_PRIVATE #include "orconfig.h" #include "or.h" #include "test.h" #include "addressmap.h" static void test_addr_basic(void) { uint32_t u32; uint16_t u16; char *cp; /* Test addr_port_lookup */ cp = NULL; u32 = 3; u16 = 3; test_assert(!addr_port_lookup(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(!addr_port_lookup(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(!addr_port_lookup(LOG_WARN, "nonexistent.address:4040", &cp, NULL, &u16)); test_streq(cp, "nonexistent.address"); test_eq(u16, 4040); tor_free(cp); test_assert(!addr_port_lookup(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(!addr_port_lookup(LOG_WARN, "localhost", NULL, &u32, &u16)); test_eq_ptr(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; /* good round trip */ test_eq(tor_inet_pton(AF_INET, ip, &in), 1); test_eq_ptr(tor_inet_ntop(AF_INET, &in, tmpbuf, sizeof(tmpbuf)), &tmpbuf); test_streq(tmpbuf, ip); /* just enough buffer length */ test_streq(tor_inet_ntop(AF_INET, &in, tmpbuf, strlen(ip) + 1), ip); /* too short buffer */ test_eq_ptr(tor_inet_ntop(AF_INET, &in, tmpbuf, strlen(ip)), NULL); } 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, 0, &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]; char rbuf[REVERSE_LOOKUP_NAME_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; /* Test tor_inet_ntop and tor_inet_pton: IPv6 */ { const char *ip = "2001::1234"; const char *ip_ffff = "::ffff:192.168.1.2"; /* good round trip */ test_eq(tor_inet_pton(AF_INET6, ip, &a1), 1); test_eq_ptr(tor_inet_ntop(AF_INET6, &a1, buf, sizeof(buf)), &buf); test_streq(buf, ip); /* good round trip - ::ffff:0:0 style */ test_eq(tor_inet_pton(AF_INET6, ip_ffff, &a2), 1); test_eq_ptr(tor_inet_ntop(AF_INET6, &a2, buf, sizeof(buf)), &buf); test_streq(buf, ip_ffff); /* just long enough buffer (remember \0) */ test_streq(tor_inet_ntop(AF_INET6, &a1, buf, strlen(ip)+1), ip); test_streq(tor_inet_ntop(AF_INET6, &a2, buf, strlen(ip_ffff)+1), ip_ffff); /* too short buffer (remember \0) */ test_eq_ptr(tor_inet_ntop(AF_INET6, &a1, buf, strlen(ip)), NULL); test_eq_ptr(tor_inet_ntop(AF_INET6, &a2, buf, strlen(ip_ffff)), NULL); } /* ==== 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::"); /* Bad af param */ test_eq(tor_inet_pton(AF_UNSPEC, 0, 0), -1); /* === Test pton: invalid in6. */ test_pton6_bad("foobar."); test_pton6_bad("-1::"); test_pton6_bad("00001::"); test_pton6_bad("10000::"); test_pton6_bad("::10000"); test_pton6_bad("55555::"); test_pton6_bad("9:-60::"); test_pton6_bad("9:+60::"); test_pton6_bad("9|60::"); test_pton6_bad("0x60::"); test_pton6_bad("::0x60"); test_pton6_bad("9:0x60::"); test_pton6_bad("1:2:33333:4:0002:3::"); 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("::ffff:0xff.0.0.0"); test_pton6_bad("::ffff:ff.0.0.0"); test_pton6_bad("::ffff:256.0.0.0"); test_pton6_bad("::ffff:-1.0.0.0"); test_pton6_bad("99"); test_pton6_bad(""); test_pton6_bad("."); 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("fc01::02:7", 0); test_internal_ip("fc01::002:7", 0); test_internal_ip("fc01::0002:7", 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]", 0, &t1, NULL, NULL, NULL); tor_addr_parse_mask_ports("2.3.4.5", 0, &t2, NULL, NULL, NULL); test_assert(tor_addr_compare(&t1, &t2, CMP_SEMANTIC) == 0); tor_addr_parse_mask_ports("[::ffff:2.3.4.4]", 0, &t1, NULL, NULL, NULL); tor_addr_parse_mask_ports("2.3.4.5", 0, &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 undecorated tor_addr_to_str */ test_eq(AF_INET6, tor_addr_parse(&t1, "[123:45:6789::5005:11]")); p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 0); test_streq(p1, "123:45:6789::5005:11"); test_eq(AF_INET, tor_addr_parse(&t1, "18.0.0.1")); p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 0); test_streq(p1, "18.0.0.1"); /* Test decorated tor_addr_to_str */ test_eq(AF_INET6, tor_addr_parse(&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_parse(&t1, "18.0.0.1")); p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1); test_streq(p1, "18.0.0.1"); /* Test buffer bounds checking of tor_addr_to_str */ test_eq(AF_INET6, tor_addr_parse(&t1, "::")); /* 2 + \0 */ test_eq_ptr(tor_addr_to_str(buf, &t1, 2, 0), NULL); /* too short buf */ test_streq(tor_addr_to_str(buf, &t1, 3, 0), "::"); test_eq_ptr(tor_addr_to_str(buf, &t1, 4, 1), NULL); /* too short buf */ test_streq(tor_addr_to_str(buf, &t1, 5, 1), "[::]"); test_eq(AF_INET6, tor_addr_parse(&t1, "2000::1337")); /* 10 + \0 */ test_eq_ptr(tor_addr_to_str(buf, &t1, 10, 0), NULL); /* too short buf */ test_streq(tor_addr_to_str(buf, &t1, 11, 0), "2000::1337"); test_eq_ptr(tor_addr_to_str(buf, &t1, 12, 1), NULL); /* too short buf */ test_streq(tor_addr_to_str(buf, &t1, 13, 1), "[2000::1337]"); test_eq(AF_INET, tor_addr_parse(&t1, "1.2.3.4")); /* 7 + \0 */ test_eq_ptr(tor_addr_to_str(buf, &t1, 7, 0), NULL); /* too short buf */ test_streq(tor_addr_to_str(buf, &t1, 8, 0), "1.2.3.4"); test_eq(AF_INET, tor_addr_parse(&t1, "255.255.255.255")); /* 15 + \0 */ test_eq_ptr(tor_addr_to_str(buf, &t1, 15, 0), NULL); /* too short buf */ test_streq(tor_addr_to_str(buf, &t1, 16, 0), "255.255.255.255"); test_eq_ptr(tor_addr_to_str(buf, &t1, 15, 1), NULL); /* too short buf */ test_streq(tor_addr_to_str(buf, &t1, 16, 1), "255.255.255.255"); t1.family = AF_UNSPEC; test_eq_ptr(tor_addr_to_str(buf, &t1, sizeof(buf), 0), NULL); /* Test tor_addr_parse_PTR_name */ i = tor_addr_parse_PTR_name(&t1, "Foobar.baz", AF_UNSPEC, 0); test_eq(0, i); i = tor_addr_parse_PTR_name(&t1, "Foobar.baz", AF_UNSPEC, 1); test_eq(0, i); i = tor_addr_parse_PTR_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_PTR_name(&t1, "192.168.0.99", AF_UNSPEC, 0); test_eq(0, i); i = tor_addr_parse_PTR_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_PTR_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_PTR_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_PTR_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_PTR_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_PTR_name(&t1, "32.1.1.in-addr.arpa", AF_UNSPEC, 0); test_eq(i, -1); i = tor_addr_parse_PTR_name(&t1, ".in-addr.arpa", AF_UNSPEC, 0); test_eq(i, -1); i = tor_addr_parse_PTR_name(&t1, "1.2.3.4.5.in-addr.arpa", AF_UNSPEC, 0); test_eq(i, -1); i = tor_addr_parse_PTR_name(&t1, "1.2.3.4.5.in-addr.arpa", AF_INET6, 0); test_eq(i, -1); i = tor_addr_parse_PTR_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_to_PTR_name */ /* Stage IPv4 addr */ memset(&sa_storage, 0, sizeof(sa_storage)); sin = (struct sockaddr_in *)&sa_storage; sin->sin_family = AF_INET; sin->sin_addr.s_addr = htonl(0x7f010203); /* 127.1.2.3 */ tor_addr_from_sockaddr(&t1, (struct sockaddr *)sin, NULL); /* Check IPv4 PTR - too short buffer */ test_eq(tor_addr_to_PTR_name(rbuf, 1, &t1), -1); test_eq(tor_addr_to_PTR_name(rbuf, strlen("3.2.1.127.in-addr.arpa") - 1, &t1), -1); /* Check IPv4 PTR - valid addr */ test_eq(tor_addr_to_PTR_name(rbuf, sizeof(rbuf), &t1), strlen("3.2.1.127.in-addr.arpa")); test_streq(rbuf, "3.2.1.127.in-addr.arpa"); /* Invalid addr family */ t1.family = AF_UNSPEC; test_eq(tor_addr_to_PTR_name(rbuf, sizeof(rbuf), &t1), -1); /* Stage IPv6 addr */ memset(&sa_storage, 0, sizeof(sa_storage)); sin6 = (struct sockaddr_in6 *)&sa_storage; sin6->sin6_family = AF_INET6; sin6->sin6_addr.s6_addr[0] = 0x80; /* 8000::abcd */ sin6->sin6_addr.s6_addr[14] = 0xab; sin6->sin6_addr.s6_addr[15] = 0xcd; tor_addr_from_sockaddr(&t1, (struct sockaddr *)sin6, NULL); { const char* addr_PTR = "d.c.b.a.0.0.0.0.0.0.0.0.0.0.0.0." "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.ip6.arpa"; /* Check IPv6 PTR - too short buffer */ test_eq(tor_addr_to_PTR_name(rbuf, 0, &t1), -1); test_eq(tor_addr_to_PTR_name(rbuf, strlen(addr_PTR) - 1, &t1), -1); /* Check IPv6 PTR - valid addr */ test_eq(tor_addr_to_PTR_name(rbuf, sizeof(rbuf), &t1), strlen(addr_PTR)); test_streq(rbuf, addr_PTR); } /* XXXX turn this into a separate function; it's not all IPv6. */ /* 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"); /* Try some long addresses. */ r=tor_addr_parse_mask_ports("[ffff:1111:1111:1111:1111:1111:1111:1111]", 0, &t1, NULL, NULL, NULL); test_assert(r == AF_INET6); r=tor_addr_parse_mask_ports("[ffff:1111:1111:1111:1111:1111:1111:11111]", 0, &t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("[ffff:1111:1111:1111:1111:1111:1111:1111:1]", 0, &t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports( "[ffff:1111:1111:1111:1111:1111:1111:ffff:" "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:" "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:" "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]", 0, &t1, NULL, NULL, NULL); test_assert(r == -1); /* Try some failing cases. */ r=tor_addr_parse_mask_ports("[fefef::]/112", 0, &t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("[fefe::/112", 0, &t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("[fefe::", 0, &t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("[fefe::X]", 0, &t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("efef::/112", 0, &t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("[f:f:f:f:f:f:f:f::]",0,&t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("[::f:f:f:f:f:f:f:f]",0,&t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("[f:f:f:f:f:f:f:f:f]",0,&t1, NULL, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("[f:f:f:f:f::]/fred",0,&t1,&mask, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("[f:f:f:f:f::]/255.255.0.0", 0,&t1, NULL, NULL, NULL); test_assert(r == -1); /* This one will get rejected because it isn't a pure prefix. */ r=tor_addr_parse_mask_ports("1.1.2.3/255.255.64.0",0,&t1, &mask,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]",0,&t1, &mask, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("1.1.2.2/33",0,&t1, &mask, NULL, NULL); test_assert(r == -1); /* Try extended wildcard addresses with out TAPMP_EXTENDED_STAR*/ r=tor_addr_parse_mask_ports("*4",0,&t1, &mask, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("*6",0,&t1, &mask, NULL, NULL); test_assert(r == -1); #if 0 /* Try a mask with a wildcard. */ r=tor_addr_parse_mask_ports("*/16",0,&t1, &mask, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("*4/16",TAPMP_EXTENDED_STAR, &t1, &mask, NULL, NULL); test_assert(r == -1); r=tor_addr_parse_mask_ports("*6/30",TAPMP_EXTENDED_STAR, &t1, &mask, NULL, NULL); test_assert(r == -1); #endif /* Basic mask tests*/ r=tor_addr_parse_mask_ports("1.1.2.2/31",0,&t1, &mask, NULL, NULL); test_assert(r == AF_INET); tt_int_op(mask,==,31); tt_int_op(tor_addr_family(&t1),==,AF_INET); tt_int_op(tor_addr_to_ipv4h(&t1),==,0x01010202); r=tor_addr_parse_mask_ports("3.4.16.032:1-2",0,&t1, &mask, &port1, &port2); test_assert(r == AF_INET); tt_int_op(mask,==,32); tt_int_op(tor_addr_family(&t1),==,AF_INET); tt_int_op(tor_addr_to_ipv4h(&t1),==,0x03041020); test_assert(port1 == 1); test_assert(port2 == 2); r=tor_addr_parse_mask_ports("1.1.2.3/255.255.128.0",0,&t1, &mask,NULL,NULL); test_assert(r == AF_INET); tt_int_op(mask,==,17); tt_int_op(tor_addr_family(&t1),==,AF_INET); tt_int_op(tor_addr_to_ipv4h(&t1),==,0x01010203); r=tor_addr_parse_mask_ports("[efef::]/112",0,&t1, &mask, &port1, &port2); test_assert(r == AF_INET6); test_assert(port1 == 1); test_assert(port2 == 65535); /* Try regular wildcard behavior without TAPMP_EXTENDED_STAR */ r=tor_addr_parse_mask_ports("*:80-443",0,&t1,&mask,&port1,&port2); tt_int_op(r,==,AF_INET); /* Old users of this always get inet */ tt_int_op(tor_addr_family(&t1),==,AF_INET); tt_int_op(tor_addr_to_ipv4h(&t1),==,0); tt_int_op(mask,==,0); tt_int_op(port1,==,80); tt_int_op(port2,==,443); /* Now try wildcards *with* TAPMP_EXTENDED_STAR */ r=tor_addr_parse_mask_ports("*:8000-9000",TAPMP_EXTENDED_STAR, &t1,&mask,&port1,&port2); tt_int_op(r,==,AF_UNSPEC); tt_int_op(tor_addr_family(&t1),==,AF_UNSPEC); tt_int_op(mask,==,0); tt_int_op(port1,==,8000); tt_int_op(port2,==,9000); r=tor_addr_parse_mask_ports("*4:6667",TAPMP_EXTENDED_STAR, &t1,&mask,&port1,&port2); tt_int_op(r,==,AF_INET); tt_int_op(tor_addr_family(&t1),==,AF_INET); tt_int_op(tor_addr_to_ipv4h(&t1),==,0); tt_int_op(mask,==,0); tt_int_op(port1,==,6667); tt_int_op(port2,==,6667); r=tor_addr_parse_mask_ports("*6",TAPMP_EXTENDED_STAR, &t1,&mask,&port1,&port2); tt_int_op(r,==,AF_INET6); tt_int_op(tor_addr_family(&t1),==,AF_INET6); tt_assert(tor_mem_is_zero((const char*)tor_addr_to_in6_addr32(&t1), 16)); tt_int_op(mask,==,0); tt_int_op(port1,==,1); tt_int_op(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); TT_BLATHER(("v4 address: %s (family=%d)", fmt_addr(&t1), tor_addr_family(&t1))); TT_BLATHER(("v6 address: %s (family=%d)", fmt_addr(&t2), tor_addr_family(&t2))); done: ; } /** Test tor_addr_port_parse(). */ static void test_addr_parse(void) { int r; tor_addr_t addr; char buf[TOR_ADDR_BUF_LEN]; uint16_t port = 0; /* Correct call. */ r= tor_addr_port_parse(LOG_DEBUG, "192.0.2.1:1234", &addr, &port); test_assert(r == 0); tor_addr_to_str(buf, &addr, sizeof(buf), 0); test_streq(buf, "192.0.2.1"); test_eq(port, 1234); /* Domain name. */ r= tor_addr_port_parse(LOG_DEBUG, "torproject.org:1234", &addr, &port); test_assert(r == -1); /* Only IP. */ r= tor_addr_port_parse(LOG_DEBUG, "192.0.2.2", &addr, &port); test_assert(r == -1); /* Bad port. */ r= tor_addr_port_parse(LOG_DEBUG, "192.0.2.2:66666", &addr, &port); test_assert(r == -1); /* Only domain name */ r= tor_addr_port_parse(LOG_DEBUG, "torproject.org", &addr, &port); test_assert(r == -1); /* Bad IP address */ r= tor_addr_port_parse(LOG_DEBUG, "192.0.2:1234", &addr, &port); test_assert(r == -1); done: ; } static void update_difference(int ipv6, uint8_t *d, const tor_addr_t *a, const tor_addr_t *b) { const int n_bytes = ipv6 ? 16 : 4; uint8_t a_tmp[4], b_tmp[4]; const uint8_t *ba, *bb; int i; if (ipv6) { ba = tor_addr_to_in6_addr8(a); bb = tor_addr_to_in6_addr8(b); } else { set_uint32(a_tmp, tor_addr_to_ipv4n(a)); set_uint32(b_tmp, tor_addr_to_ipv4n(b)); ba = a_tmp; bb = b_tmp; } for (i = 0; i < n_bytes; ++i) { d[i] |= ba[i] ^ bb[i]; } } static void test_virtaddrmap(void *data) { /* Let's start with a bunch of random addresses. */ int ipv6, bits, iter, b; virtual_addr_conf_t cfg[2]; uint8_t bytes[16]; (void)data; tor_addr_parse(&cfg[0].addr, "64.65.0.0"); tor_addr_parse(&cfg[1].addr, "3491:c0c0::"); for (ipv6 = 0; ipv6 <= 1; ++ipv6) { for (bits = 0; bits < 18; ++bits) { tor_addr_t last_a; cfg[ipv6].bits = bits; memset(bytes, 0, sizeof(bytes)); tor_addr_copy(&last_a, &cfg[ipv6].addr); /* Generate 128 addresses with each addr/bits combination. */ for (iter = 0; iter < 128; ++iter) { tor_addr_t a; get_random_virtual_addr(&cfg[ipv6], &a); //printf("%s\n", fmt_addr(&a)); /* Make sure that the first b bits match the configured network */ tt_int_op(0, ==, tor_addr_compare_masked(&a, &cfg[ipv6].addr, bits, CMP_EXACT)); /* And track which bits have been different between pairs of * addresses */ update_difference(ipv6, bytes, &last_a, &a); } /* Now make sure all but the first 'bits' bits of bytes are true */ for (b = bits+1; b < (ipv6?128:32); ++b) { tt_assert(1 & (bytes[b/8] >> (7-(b&7)))); } } } done: ; } static void test_addr_is_loopback(void *data) { static const struct loopback_item { const char *name; int is_loopback; } loopback_items[] = { { "::1", 1 }, { "127.0.0.1", 1 }, { "127.99.100.101", 1 }, { "128.99.100.101", 0 }, { "8.8.8.8", 0 }, { "0.0.0.0", 0 }, { "::2", 0 }, { "::", 0 }, { "::1.0.0.0", 0 }, { NULL, 0 } }; int i; tor_addr_t addr; (void)data; for (i=0; loopback_items[i].name; ++i) { tt_int_op(tor_addr_parse(&addr, loopback_items[i].name), >=, 0); tt_int_op(tor_addr_is_loopback(&addr), ==, loopback_items[i].is_loopback); } tor_addr_make_unspec(&addr); tt_int_op(tor_addr_is_loopback(&addr), ==, 0); 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), ADDR_LEGACY(parse), { "virtaddr", test_virtaddrmap, 0, NULL, NULL }, { "is_loopback", test_addr_is_loopback, 0, NULL, NULL }, END_OF_TESTCASES };