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- /* Copyright (c) 2001-2004, Roger Dingledine.
- * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2019, The Tor Project, Inc. */
- /* See LICENSE for licensing information */
- #define ADDRESSMAP_PRIVATE
- #include "orconfig.h"
- #include "core/or/or.h"
- #include "lib/crypt_ops/crypto_rand.h"
- #include "test/test.h"
- #include "feature/client/addressmap.h"
- #include "test/log_test_helpers.h"
- #include "lib/net/resolve.h"
- #ifdef HAVE_SYS_UN_H
- #include <sys/un.h>
- #endif
- static void
- test_addr_basic(void *arg)
- {
- (void) arg;
- tt_int_op(0,OP_EQ, addr_mask_get_bits(0x0u));
- tt_int_op(32,OP_EQ, addr_mask_get_bits(0xFFFFFFFFu));
- tt_int_op(16,OP_EQ, addr_mask_get_bits(0xFFFF0000u));
- tt_int_op(31,OP_EQ, addr_mask_get_bits(0xFFFFFFFEu));
- tt_int_op(1,OP_EQ, 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 */
- tt_int_op(tor_inet_pton(AF_INET, ip, &in), OP_EQ, 1);
- tt_ptr_op(tor_inet_ntop(AF_INET, &in, tmpbuf, sizeof(tmpbuf)),
- OP_EQ, &tmpbuf);
- tt_str_op(tmpbuf,OP_EQ, ip);
- /* just enough buffer length */
- tt_str_op(tor_inet_ntop(AF_INET, &in, tmpbuf, strlen(ip) + 1), OP_EQ, ip);
- /* too short buffer */
- tt_ptr_op(tor_inet_ntop(AF_INET, &in, tmpbuf, strlen(ip)),OP_EQ, 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*, \
- (fast_memcmp(val1_->s6_addr, val2_->s6_addr, 16) op 0), \
- char *, "%s", \
- { char *cp; \
- cp = print_ = tor_malloc(64); \
- for (int ii_=0;ii_<16;++ii_) { \
- tor_snprintf(cp, 3,"%02x", (unsigned)value_->s6_addr[ii_]); \
- cp += 2; \
- if (ii_ != 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 \
- tt_int_op(tor_inet_pton(AF_INET6, a, &a1), OP_EQ, 1); \
- tt_int_op(tor_inet_pton(AF_INET6, b, &a2), OP_EQ, 1); \
- test_op_ip6_(&a1,OP_EQ,&a2,#a,#b); \
- STMT_END
- /** Helper: Assert that <b>a</b> is recognized as a bad IPv6 address by
- * tor_inet_pton(). */
- #define test_pton6_bad(a) \
- tt_int_op(0, OP_EQ, tor_inet_pton(AF_INET6, a, &a1))
- /** Helper: assert that <b>a</b>, when parsed by tor_inet_pton() and displayed
- * with tor_inet_ntop(), yields <b>b</b>. Also assert that <b>b</b> parses to
- * the same value as <b>a</b>. */
- #define test_ntop6_reduces(a,b) STMT_BEGIN \
- tt_int_op(tor_inet_pton(AF_INET6, a, &a1), OP_EQ, 1); \
- tt_str_op(tor_inet_ntop(AF_INET6, &a1, buf, sizeof(buf)), OP_EQ, b); \
- tt_int_op(tor_inet_pton(AF_INET6, b, &a2), OP_EQ, 1); \
- test_op_ip6_(&a1, OP_EQ, &a2, a, b); \
- STMT_END
- /** Helper: assert that <b>a</b> parses by tor_inet_pton() into a address that
- * passes tor_addr_is_internal() with <b>for_listening</b>. */
- #define test_internal_ip(a,for_listening) STMT_BEGIN \
- tt_int_op(tor_inet_pton(AF_INET6, a, &t1.addr.in6_addr), OP_EQ, 1); \
- t1.family = AF_INET6; \
- if (!tor_addr_is_internal(&t1, for_listening)) \
- TT_DIE(("%s was not internal", a)); \
- STMT_END
- /** Helper: assert that <b>a</b> parses by tor_inet_pton() into a address that
- * does not pass tor_addr_is_internal() with <b>for_listening</b>. */
- #define test_external_ip(a,for_listening) STMT_BEGIN \
- tt_int_op(tor_inet_pton(AF_INET6, a, &t1.addr.in6_addr), OP_EQ, 1); \
- t1.family = AF_INET6; \
- if (tor_addr_is_internal(&t1, for_listening)) \
- TT_DIE(("%s was not internal", a)); \
- STMT_END
- /** Helper: Assert that <b>a</b> and <b>b</b>, when parsed by
- * tor_inet_pton(), give addresses that compare in the order defined by
- * <b>op</b> with tor_addr_compare(). */
- #define test_addr_compare(a, op, b) STMT_BEGIN \
- tt_int_op(tor_inet_pton(AF_INET6, a, &t1.addr.in6_addr), OP_EQ, 1); \
- tt_int_op(tor_inet_pton(AF_INET6, b, &t2.addr.in6_addr), OP_EQ, 1); \
- t1.family = t2.family = AF_INET6; \
- r = tor_addr_compare(&t1,&t2,CMP_SEMANTIC); \
- if (!(r op 0)) \
- TT_DIE(("Failed: tor_addr_compare(%s,%s) %s 0", a, b, #op));\
- STMT_END
- /** Helper: Assert that <b>a</b> and <b>b</b>, when parsed by
- * tor_inet_pton(), give addresses that compare in the order defined by
- * <b>op</b> with tor_addr_compare_masked() with <b>m</b> masked. */
- #define test_addr_compare_masked(a, op, b, m) STMT_BEGIN \
- tt_int_op(tor_inet_pton(AF_INET6, a, &t1.addr.in6_addr), OP_EQ, 1); \
- tt_int_op(tor_inet_pton(AF_INET6, b, &t2.addr.in6_addr), OP_EQ, 1); \
- t1.family = t2.family = AF_INET6; \
- r = tor_addr_compare_masked(&t1,&t2,m,CMP_SEMANTIC); \
- if (!(r op 0)) \
- TT_DIE(("Failed: tor_addr_compare_masked(%s,%s,%d) %s 0", \
- a, b, m, #op)); \
- STMT_END
- /** Helper: assert that <b>xx</b> is parseable as a masked IPv6 address with
- * ports by tor_parse_mask_addr_ports(), with family <b>f</b>, IP address
- * as 4 32-bit words <b>ip1...ip4</b>, mask bits as <b>mm</b>, and port range
- * as <b>pt1..pt2</b>. */
- #define test_addr_mask_ports_parse(xx, f, ip1, ip2, ip3, ip4, mm, pt1, pt2) \
- STMT_BEGIN \
- tt_int_op(tor_addr_parse_mask_ports(xx, 0, &t1, &mask, &port1, &port2), \
- OP_EQ, f); \
- p1=tor_inet_ntop(AF_INET6, &t1.addr.in6_addr, bug, sizeof(bug)); \
- tt_int_op(htonl(ip1), OP_EQ, tor_addr_to_in6_addr32(&t1)[0]); \
- tt_int_op(htonl(ip2), OP_EQ, tor_addr_to_in6_addr32(&t1)[1]); \
- tt_int_op(htonl(ip3), OP_EQ, tor_addr_to_in6_addr32(&t1)[2]); \
- tt_int_op(htonl(ip4), OP_EQ, tor_addr_to_in6_addr32(&t1)[3]); \
- tt_int_op(mask, OP_EQ, mm); \
- tt_uint_op(port1, OP_EQ, pt1); \
- tt_uint_op(port2, OP_EQ, pt2); \
- STMT_END
- /** Run unit tests for IPv6 encoding/decoding/manipulation functions. */
- static void
- test_addr_ip6_helpers(void *arg)
- {
- 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 */
- (void)arg;
- {
- const char *ip = "2001::1234";
- const char *ip_ffff = "::ffff:192.168.1.2";
- /* good round trip */
- tt_int_op(tor_inet_pton(AF_INET6, ip, &a1),OP_EQ, 1);
- tt_ptr_op(tor_inet_ntop(AF_INET6, &a1, buf, sizeof(buf)),OP_EQ, &buf);
- tt_str_op(buf,OP_EQ, ip);
- /* good round trip - ::ffff:0:0 style */
- tt_int_op(tor_inet_pton(AF_INET6, ip_ffff, &a2),OP_EQ, 1);
- tt_ptr_op(tor_inet_ntop(AF_INET6, &a2, buf, sizeof(buf)),OP_EQ, &buf);
- tt_str_op(buf,OP_EQ, ip_ffff);
- /* just long enough buffer (remember \0) */
- tt_str_op(tor_inet_ntop(AF_INET6, &a1, buf, strlen(ip)+1),OP_EQ, ip);
- tt_str_op(tor_inet_ntop(AF_INET6, &a2, buf, strlen(ip_ffff)+1),OP_EQ,
- ip_ffff);
- /* too short buffer (remember \0) */
- tt_ptr_op(tor_inet_ntop(AF_INET6, &a1, buf, strlen(ip)),OP_EQ, NULL);
- tt_ptr_op(tor_inet_ntop(AF_INET6, &a2, buf, strlen(ip_ffff)),OP_EQ, NULL);
- }
- /* ==== Converting to and from sockaddr_t. */
- sin = (struct sockaddr_in *)&sa_storage;
- sin->sin_family = AF_INET;
- sin->sin_port = htons(9090);
- sin->sin_addr.s_addr = htonl(0x7f7f0102); /*127.127.1.2*/
- tor_addr_from_sockaddr(&t1, (struct sockaddr *)sin, &port1);
- tt_int_op(tor_addr_family(&t1),OP_EQ, AF_INET);
- tt_int_op(tor_addr_to_ipv4h(&t1),OP_EQ, 0x7f7f0102);
- tt_int_op(port1, OP_EQ, 9090);
- memset(&sa_storage, 0, sizeof(sa_storage));
- tt_int_op(sizeof(struct sockaddr_in),OP_EQ,
- tor_addr_to_sockaddr(&t1, 1234, (struct sockaddr *)&sa_storage,
- sizeof(sa_storage)));
- tt_int_op(1234,OP_EQ, ntohs(sin->sin_port));
- tt_int_op(0x7f7f0102,OP_EQ, 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, &port1);
- tt_int_op(tor_addr_family(&t1),OP_EQ, AF_INET6);
- tt_int_op(port1, OP_EQ, 7070);
- p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 0);
- tt_str_op(p1,OP_EQ, "8000::");
- memset(&sa_storage, 0, sizeof(sa_storage));
- tt_int_op(sizeof(struct sockaddr_in6),OP_EQ,
- tor_addr_to_sockaddr(&t1, 9999, (struct sockaddr *)&sa_storage,
- sizeof(sa_storage)));
- tt_int_op(AF_INET6,OP_EQ, sin6->sin6_family);
- tt_int_op(9999,OP_EQ, ntohs(sin6->sin6_port));
- tt_int_op(0x80000000,OP_EQ, ntohl(S6_ADDR32(sin6->sin6_addr)[0]));
- /* ==== tor_addr_lookup: static cases. (Can't test dns without knowing we
- * have a good resolver. */
- tt_int_op(0,OP_EQ, tor_addr_lookup("127.128.129.130", AF_UNSPEC, &t1));
- tt_int_op(AF_INET,OP_EQ, tor_addr_family(&t1));
- tt_int_op(tor_addr_to_ipv4h(&t1),OP_EQ, 0x7f808182);
- tt_int_op(0,OP_EQ, tor_addr_lookup("9000::5", AF_UNSPEC, &t1));
- tt_int_op(AF_INET6,OP_EQ, tor_addr_family(&t1));
- tt_int_op(0x90,OP_EQ, tor_addr_to_in6_addr8(&t1)[0]);
- tt_assert(tor_mem_is_zero((char*)tor_addr_to_in6_addr8(&t1)+1, 14));
- tt_int_op(0x05,OP_EQ, 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);
- tt_int_op(r, OP_EQ, 1);
- for (i=0;i<16;++i) { tt_int_op(i+1,OP_EQ, (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("0:0:0:0:0:0:c0a8:0101", "::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 */
- tt_int_op(tor_inet_pton(AF_UNSPEC, 0, 0),OP_EQ, -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_pton6_bad("1.2.3.4");
- test_pton6_bad(":1.2.3.4");
- test_pton6_bad(".2.3.4");
- /* Regression tests for 22789. */
- test_pton6_bad("0xfoo");
- test_pton6_bad("0x88");
- test_pton6_bad("0xyxxy");
- test_pton6_bad("0XFOO");
- test_pton6_bad("0X88");
- test_pton6_bad("0XYXXY");
- test_pton6_bad("0x");
- test_pton6_bad("0X");
- /* 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);
- /* tor_addr_compare(tor_addr_t x2) */
- test_addr_compare("ffff::", OP_EQ, "ffff::0");
- test_addr_compare("0::3:2:1", OP_LT, "0::ffff:0.3.2.1");
- test_addr_compare("0::2:2:1", OP_LT, "0::ffff:0.3.2.1");
- test_addr_compare("0::ffff:0.3.2.1", OP_GT, "0::0:0:0");
- test_addr_compare("0::ffff:5.2.2.1", OP_LT,
- "::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);
- tt_int_op(tor_addr_compare(&t1, &t2, CMP_SEMANTIC), OP_EQ, 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);
- tt_int_op(tor_addr_compare(&t1, &t2, CMP_SEMANTIC), OP_LT, 0);
- /* test compare_masked */
- test_addr_compare_masked("ffff::", OP_EQ, "ffff::0", 128);
- test_addr_compare_masked("ffff::", OP_EQ, "ffff::0", 64);
- test_addr_compare_masked("0::2:2:1", OP_LT, "0::8000:2:1", 81);
- test_addr_compare_masked("0::2:2:1", OP_EQ, "0::8000:2:1", 80);
- /* Test undecorated tor_addr_to_str */
- tt_int_op(AF_INET6,OP_EQ, tor_addr_parse(&t1, "[123:45:6789::5005:11]"));
- p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 0);
- tt_str_op(p1,OP_EQ, "123:45:6789::5005:11");
- tt_int_op(AF_INET,OP_EQ, tor_addr_parse(&t1, "18.0.0.1"));
- p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 0);
- tt_str_op(p1,OP_EQ, "18.0.0.1");
- /* Test decorated tor_addr_to_str */
- tt_int_op(AF_INET6,OP_EQ, tor_addr_parse(&t1, "[123:45:6789::5005:11]"));
- p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1);
- tt_str_op(p1,OP_EQ, "[123:45:6789::5005:11]");
- tt_int_op(AF_INET,OP_EQ, tor_addr_parse(&t1, "18.0.0.1"));
- p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1);
- tt_str_op(p1,OP_EQ, "18.0.0.1");
- /* Test buffer bounds checking of tor_addr_to_str */
- tt_int_op(AF_INET6,OP_EQ, tor_addr_parse(&t1, "::")); /* 2 + \0 */
- tt_ptr_op(tor_addr_to_str(buf, &t1, 2, 0),OP_EQ, NULL); /* too short buf */
- tt_str_op(tor_addr_to_str(buf, &t1, 3, 0),OP_EQ, "::");
- tt_ptr_op(tor_addr_to_str(buf, &t1, 4, 1),OP_EQ, NULL); /* too short buf */
- tt_str_op(tor_addr_to_str(buf, &t1, 5, 1),OP_EQ, "[::]");
- tt_int_op(AF_INET6,OP_EQ, tor_addr_parse(&t1, "2000::1337")); /* 10 + \0 */
- tt_ptr_op(tor_addr_to_str(buf, &t1, 10, 0),OP_EQ, NULL); /* too short buf */
- tt_str_op(tor_addr_to_str(buf, &t1, 11, 0),OP_EQ, "2000::1337");
- tt_ptr_op(tor_addr_to_str(buf, &t1, 12, 1),OP_EQ, NULL); /* too short buf */
- tt_str_op(tor_addr_to_str(buf, &t1, 13, 1),OP_EQ, "[2000::1337]");
- tt_int_op(AF_INET,OP_EQ, tor_addr_parse(&t1, "1.2.3.4")); /* 7 + \0 */
- tt_ptr_op(tor_addr_to_str(buf, &t1, 7, 0),OP_EQ, NULL); /* too short buf */
- tt_str_op(tor_addr_to_str(buf, &t1, 8, 0),OP_EQ, "1.2.3.4");
- tt_int_op(AF_INET, OP_EQ,
- tor_addr_parse(&t1, "255.255.255.255")); /* 15 + \0 */
- tt_ptr_op(tor_addr_to_str(buf, &t1, 15, 0),OP_EQ, NULL); /* too short buf */
- tt_str_op(tor_addr_to_str(buf, &t1, 16, 0),OP_EQ, "255.255.255.255");
- tt_ptr_op(tor_addr_to_str(buf, &t1, 15, 1),OP_EQ, NULL); /* too short buf */
- tt_str_op(tor_addr_to_str(buf, &t1, 16, 1),OP_EQ, "255.255.255.255");
- t1.family = AF_UNSPEC;
- tt_ptr_op(tor_addr_to_str(buf, &t1, sizeof(buf), 0),OP_EQ, NULL);
- /* Test tor_addr_parse_PTR_name */
- i = tor_addr_parse_PTR_name(&t1, "Foobar.baz", AF_UNSPEC, 0);
- tt_int_op(0,OP_EQ, i);
- i = tor_addr_parse_PTR_name(&t1, "Foobar.baz", AF_UNSPEC, 1);
- tt_int_op(0,OP_EQ, i);
- i = tor_addr_parse_PTR_name(&t1, "9999999999999999999999999999.in-addr.arpa",
- AF_UNSPEC, 1);
- tt_int_op(-1,OP_EQ, i);
- i = tor_addr_parse_PTR_name(&t1, "1.0.168.192.in-addr.arpa",
- AF_UNSPEC, 1);
- tt_int_op(1,OP_EQ, i);
- tt_int_op(tor_addr_family(&t1),OP_EQ, AF_INET);
- p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1);
- tt_str_op(p1,OP_EQ, "192.168.0.1");
- i = tor_addr_parse_PTR_name(&t1, "192.168.0.99", AF_UNSPEC, 0);
- tt_int_op(0,OP_EQ, i);
- i = tor_addr_parse_PTR_name(&t1, "192.168.0.99", AF_UNSPEC, 1);
- tt_int_op(1,OP_EQ, i);
- p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1);
- tt_str_op(p1,OP_EQ, "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);
- tt_int_op(1,OP_EQ, i);
- p1 = tor_addr_to_str(buf, &t1, sizeof(buf), 1);
- tt_str_op(p1,OP_EQ, "[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);
- tt_int_op(i,OP_EQ, -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);
- tt_int_op(i,OP_EQ, -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);
- tt_int_op(i,OP_EQ, -1);
- i = tor_addr_parse_PTR_name(&t1, "32.1.1.in-addr.arpa",
- AF_UNSPEC, 0);
- tt_int_op(i,OP_EQ, -1);
- i = tor_addr_parse_PTR_name(&t1, ".in-addr.arpa",
- AF_UNSPEC, 0);
- tt_int_op(i,OP_EQ, -1);
- i = tor_addr_parse_PTR_name(&t1, "1.2.3.4.5.in-addr.arpa",
- AF_UNSPEC, 0);
- tt_int_op(i,OP_EQ, -1);
- i = tor_addr_parse_PTR_name(&t1, "1.2.3.4.5.in-addr.arpa",
- AF_INET6, 0);
- tt_int_op(i,OP_EQ, -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);
- tt_int_op(i,OP_EQ, -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 */
- tt_int_op(tor_addr_to_PTR_name(rbuf, 1, &t1),OP_EQ, -1);
- tt_int_op(tor_addr_to_PTR_name(rbuf,
- strlen("3.2.1.127.in-addr.arpa") - 1,
- &t1),OP_EQ, -1);
- /* Check IPv4 PTR - valid addr */
- tt_int_op(tor_addr_to_PTR_name(rbuf, sizeof(rbuf), &t1),OP_EQ,
- strlen("3.2.1.127.in-addr.arpa"));
- tt_str_op(rbuf,OP_EQ, "3.2.1.127.in-addr.arpa");
- /* Invalid addr family */
- t1.family = AF_UNSPEC;
- tt_int_op(tor_addr_to_PTR_name(rbuf, sizeof(rbuf), &t1),OP_EQ, -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 */
- tt_int_op(tor_addr_to_PTR_name(rbuf, 0, &t1),OP_EQ, -1);
- tt_int_op(tor_addr_to_PTR_name(rbuf, strlen(addr_PTR) - 1, &t1),OP_EQ, -1);
- /* Check IPv6 PTR - valid addr */
- tt_int_op(tor_addr_to_PTR_name(rbuf, sizeof(rbuf), &t1),OP_EQ,
- strlen(addr_PTR));
- tt_str_op(rbuf,OP_EQ, 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);
- tt_str_op(p1,OP_EQ, "::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);
- tt_str_op(p1,OP_EQ, "::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);
- tt_str_op(p1,OP_EQ, "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);
- tt_int_op(r, OP_EQ, AF_INET6);
- r=tor_addr_parse_mask_ports("[ffff:1111:1111:1111:1111:1111:1111:11111]",
- 0, &t1, NULL, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("[ffff:1111:1111:1111:1111:1111:1111:1111:1]",
- 0, &t1, NULL, NULL, NULL);
- tt_int_op(r, OP_EQ, -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);
- tt_int_op(r, OP_EQ, -1);
- /* Try some failing cases. */
- r=tor_addr_parse_mask_ports("[fefef::]/112", 0, &t1, NULL, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("[fefe::/112", 0, &t1, NULL, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("[fefe::", 0, &t1, NULL, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("[fefe::X]", 0, &t1, NULL, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("efef::/112", 0, &t1, NULL, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("[f:f:f:f:f:f:f:f::]",0,&t1, NULL, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("[::f:f:f:f:f:f:f:f]",0,&t1, NULL, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("[f:f:f:f:f:f:f:f:f]",0,&t1, NULL, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("[f:f:f:f:f::]/fred",0,&t1,&mask, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("[f:f:f:f:f::]/255.255.0.0",
- 0,&t1, NULL, NULL, NULL);
- tt_int_op(r, OP_EQ, -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);
- tt_int_op(r, OP_EQ, -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);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("1.1.2.2/33",0,&t1, &mask, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- /* Try extended wildcard addresses with out TAPMP_EXTENDED_STAR*/
- r=tor_addr_parse_mask_ports("*4",0,&t1, &mask, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("*6",0,&t1, &mask, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- tt_int_op(r, OP_EQ, -1);
- /* Try a mask with a wildcard. */
- r=tor_addr_parse_mask_ports("*/16",0,&t1, &mask, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("*4/16",TAPMP_EXTENDED_STAR,
- &t1, &mask, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- r=tor_addr_parse_mask_ports("*6/30",TAPMP_EXTENDED_STAR,
- &t1, &mask, NULL, NULL);
- tt_int_op(r, OP_EQ, -1);
- /* Basic mask tests*/
- r=tor_addr_parse_mask_ports("1.1.2.2/31",0,&t1, &mask, NULL, NULL);
- tt_int_op(r, OP_EQ, AF_INET);
- tt_int_op(mask,OP_EQ,31);
- tt_int_op(tor_addr_family(&t1),OP_EQ,AF_INET);
- tt_int_op(tor_addr_to_ipv4h(&t1),OP_EQ,0x01010202);
- r=tor_addr_parse_mask_ports("3.4.16.032:1-2",0,&t1, &mask, &port1, &port2);
- tt_int_op(r, OP_EQ, AF_INET);
- tt_int_op(mask,OP_EQ,32);
- tt_int_op(tor_addr_family(&t1),OP_EQ,AF_INET);
- tt_int_op(tor_addr_to_ipv4h(&t1),OP_EQ,0x03041020);
- tt_uint_op(port1, OP_EQ, 1);
- tt_uint_op(port2, OP_EQ, 2);
- r=tor_addr_parse_mask_ports("1.1.2.3/255.255.128.0",0,&t1, &mask,NULL,NULL);
- tt_int_op(r, OP_EQ, AF_INET);
- tt_int_op(mask,OP_EQ,17);
- tt_int_op(tor_addr_family(&t1),OP_EQ,AF_INET);
- tt_int_op(tor_addr_to_ipv4h(&t1),OP_EQ,0x01010203);
- r=tor_addr_parse_mask_ports("[efef::]/112",0,&t1, &mask, &port1, &port2);
- tt_int_op(r, OP_EQ, AF_INET6);
- tt_uint_op(port1, OP_EQ, 1);
- tt_uint_op(port2, OP_EQ, 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,OP_EQ,AF_INET); /* Old users of this always get inet */
- tt_int_op(tor_addr_family(&t1),OP_EQ,AF_INET);
- tt_int_op(tor_addr_to_ipv4h(&t1),OP_EQ,0);
- tt_int_op(mask,OP_EQ,0);
- tt_int_op(port1,OP_EQ,80);
- tt_int_op(port2,OP_EQ,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,OP_EQ,AF_UNSPEC);
- tt_int_op(tor_addr_family(&t1),OP_EQ,AF_UNSPEC);
- tt_int_op(mask,OP_EQ,0);
- tt_int_op(port1,OP_EQ,8000);
- tt_int_op(port2,OP_EQ,9000);
- r=tor_addr_parse_mask_ports("*4:6667",TAPMP_EXTENDED_STAR,
- &t1,&mask,&port1,&port2);
- tt_int_op(r,OP_EQ,AF_INET);
- tt_int_op(tor_addr_family(&t1),OP_EQ,AF_INET);
- tt_int_op(tor_addr_to_ipv4h(&t1),OP_EQ,0);
- tt_int_op(mask,OP_EQ,0);
- tt_int_op(port1,OP_EQ,6667);
- tt_int_op(port2,OP_EQ,6667);
- r=tor_addr_parse_mask_ports("*6",TAPMP_EXTENDED_STAR,
- &t1,&mask,&port1,&port2);
- tt_int_op(r,OP_EQ,AF_INET6);
- tt_int_op(tor_addr_family(&t1),OP_EQ,AF_INET6);
- tt_assert(tor_mem_is_zero((const char*)tor_addr_to_in6_addr32(&t1), 16));
- tt_int_op(mask,OP_EQ,0);
- tt_int_op(port1,OP_EQ,1);
- tt_int_op(port2,OP_EQ,65535);
- /* make sure inet address lengths >= max */
- tt_int_op(INET_NTOA_BUF_LEN, OP_GE, sizeof("255.255.255.255"));
- tt_int_op(TOR_ADDR_BUF_LEN, OP_GE,
- sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"));
- tt_assert(sizeof(tor_addr_t) >= sizeof(struct in6_addr));
- /* get interface addresses */
- r = get_interface_address6(LOG_DEBUG, AF_INET, &t1);
- tt_int_op(r, OP_LE, 0); // "it worked or it didn't"
- i = get_interface_address6(LOG_DEBUG, AF_INET6, &t2);
- tt_int_op(i, OP_LE, 0); // "it worked or it didn't"
- 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 *arg)
- {
- int r;
- tor_addr_t addr;
- char buf[TOR_ADDR_BUF_LEN];
- uint16_t port = 0;
- /* Correct call. */
- (void)arg;
- r= tor_addr_port_parse(LOG_DEBUG,
- "192.0.2.1:1234",
- &addr, &port, -1);
- tt_int_op(r, OP_EQ, 0);
- tor_addr_to_str(buf, &addr, sizeof(buf), 0);
- tt_str_op(buf,OP_EQ, "192.0.2.1");
- tt_int_op(port,OP_EQ, 1234);
- r= tor_addr_port_parse(LOG_DEBUG,
- "[::1]:1234",
- &addr, &port, -1);
- tt_int_op(r, OP_EQ, 0);
- tor_addr_to_str(buf, &addr, sizeof(buf), 0);
- tt_str_op(buf,OP_EQ, "::1");
- tt_int_op(port,OP_EQ, 1234);
- /* Domain name. */
- r= tor_addr_port_parse(LOG_DEBUG,
- "torproject.org:1234",
- &addr, &port, -1);
- tt_int_op(r, OP_EQ, -1);
- /* Only IP. */
- r= tor_addr_port_parse(LOG_DEBUG,
- "192.0.2.2",
- &addr, &port, -1);
- tt_int_op(r, OP_EQ, -1);
- r= tor_addr_port_parse(LOG_DEBUG,
- "192.0.2.2",
- &addr, &port, 200);
- tt_int_op(r, OP_EQ, 0);
- tt_int_op(port,OP_EQ,200);
- r= tor_addr_port_parse(LOG_DEBUG,
- "[::1]",
- &addr, &port, -1);
- tt_int_op(r, OP_EQ, -1);
- r= tor_addr_port_parse(LOG_DEBUG,
- "[::1]",
- &addr, &port, 400);
- tt_int_op(r, OP_EQ, 0);
- tt_int_op(port,OP_EQ,400);
- /* Bad port. */
- r= tor_addr_port_parse(LOG_DEBUG,
- "192.0.2.2:66666",
- &addr, &port, -1);
- tt_int_op(r, OP_EQ, -1);
- r= tor_addr_port_parse(LOG_DEBUG,
- "192.0.2.2:66666",
- &addr, &port, 200);
- tt_int_op(r, OP_EQ, -1);
- /* Only domain name */
- r= tor_addr_port_parse(LOG_DEBUG,
- "torproject.org",
- &addr, &port, -1);
- tt_int_op(r, OP_EQ, -1);
- r= tor_addr_port_parse(LOG_DEBUG,
- "torproject.org",
- &addr, &port, 200);
- tt_int_op(r, OP_EQ, -1);
- /* Bad IP address */
- r= tor_addr_port_parse(LOG_DEBUG,
- "192.0.2:1234",
- &addr, &port, -1);
- tt_int_op(r, OP_EQ, -1);
- /* Make sure that the default port has lower priority than the real
- one */
- r= tor_addr_port_parse(LOG_DEBUG,
- "192.0.2.2:1337",
- &addr, &port, 200);
- tt_int_op(r, OP_EQ, 0);
- tt_int_op(port,OP_EQ,1337);
- r= tor_addr_port_parse(LOG_DEBUG,
- "[::1]:1369",
- &addr, &port, 200);
- tt_int_op(r, OP_EQ, 0);
- tt_int_op(port,OP_EQ,1369);
- 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, OP_EQ, 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 const char *canned_data = NULL;
- static size_t canned_data_len = 0;
- /* Mock replacement for crypto_rand() that returns canned data from
- * canned_data above. */
- static void
- crypto_canned(char *ptr, size_t n)
- {
- if (canned_data_len) {
- size_t to_copy = MIN(n, canned_data_len);
- memcpy(ptr, canned_data, to_copy);
- canned_data += to_copy;
- canned_data_len -= to_copy;
- n -= to_copy;
- ptr += to_copy;
- }
- if (n) {
- crypto_rand_unmocked(ptr, n);
- }
- }
- static void
- test_virtaddrmap_persist(void *data)
- {
- (void)data;
- const char *a, *b, *c;
- tor_addr_t addr;
- char *ones = NULL;
- addressmap_init();
- // Try a hostname.
- a = addressmap_register_virtual_address(RESOLVED_TYPE_HOSTNAME,
- tor_strdup("foobar.baz"));
- tt_assert(a);
- tt_assert(!strcmpend(a, ".virtual"));
- // mock crypto_rand to repeat the same result twice; make sure we get
- // different outcomes. (Because even though the odds for receiving the
- // same 80-bit address twice is only 1/2^40, it could still happen for
- // some user -- but running our test through 2^40 iterations isn't
- // reasonable.)
- canned_data = "1234567890" // the first call returns this.
- "1234567890" // the second call returns this.
- "abcdefghij"; // the third call returns this.
- canned_data_len = 30;
- MOCK(crypto_rand, crypto_canned);
- a = addressmap_register_virtual_address(RESOLVED_TYPE_HOSTNAME,
- tor_strdup("quuxit.baz"));
- b = addressmap_register_virtual_address(RESOLVED_TYPE_HOSTNAME,
- tor_strdup("nescio.baz"));
- tt_assert(a);
- tt_assert(b);
- tt_str_op(a, OP_EQ, "gezdgnbvgy3tqojq.virtual");
- tt_str_op(b, OP_EQ, "mfrggzdfmztwq2lk.virtual");
- // Now try something to get us an ipv4 address
- UNMOCK(crypto_rand);
- tt_int_op(0,OP_EQ, parse_virtual_addr_network("192.168.0.0/16",
- AF_INET, 0, NULL));
- a = addressmap_register_virtual_address(RESOLVED_TYPE_IPV4,
- tor_strdup("foobar.baz"));
- tt_assert(a);
- tt_assert(!strcmpstart(a, "192.168."));
- tor_addr_parse(&addr, a);
- tt_int_op(AF_INET, OP_EQ, tor_addr_family(&addr));
- b = addressmap_register_virtual_address(RESOLVED_TYPE_IPV4,
- tor_strdup("quuxit.baz"));
- tt_str_op(b, OP_NE, a);
- tt_assert(!strcmpstart(b, "192.168."));
- // Try some canned entropy and verify all the we discard duplicates,
- // addresses that end with 0, and addresses that end with 255.
- MOCK(crypto_rand, crypto_canned);
- canned_data = "\x01\x02\x03\x04" // okay
- "\x01\x02\x03\x04" // duplicate
- "\x03\x04\x00\x00" // bad ending 1
- "\x05\x05\x00\xff" // bad ending 2
- "\x05\x06\x07\xf0"; // okay
- canned_data_len = 20;
- a = addressmap_register_virtual_address(RESOLVED_TYPE_IPV4,
- tor_strdup("wumble.onion"));
- b = addressmap_register_virtual_address(RESOLVED_TYPE_IPV4,
- tor_strdup("wumpus.onion"));
- tt_str_op(a, OP_EQ, "192.168.3.4");
- tt_str_op(b, OP_EQ, "192.168.7.240");
- // Now try IPv6!
- UNMOCK(crypto_rand);
- tt_int_op(0,OP_EQ, parse_virtual_addr_network("1010:F000::/20",
- AF_INET6, 0, NULL));
- a = addressmap_register_virtual_address(RESOLVED_TYPE_IPV6,
- tor_strdup("foobar.baz"));
- tt_assert(a);
- tt_assert(!strcmpstart(a, "[1010:f"));
- tor_addr_parse(&addr, a);
- tt_int_op(AF_INET6, OP_EQ, tor_addr_family(&addr));
- b = addressmap_register_virtual_address(RESOLVED_TYPE_IPV6,
- tor_strdup("quuxit.baz"));
- tt_str_op(b, OP_NE, a);
- tt_assert(!strcmpstart(b, "[1010:f"));
- // Try IPv6 with canned entropy, to make sure we detect duplicates.
- MOCK(crypto_rand, crypto_canned);
- canned_data = "acanthopterygian" // okay
- "cinematographist" // okay
- "acanthopterygian" // duplicate
- "acanthopterygian" // duplicate
- "acanthopterygian" // duplicate
- "cinematographist" // duplicate
- "coadministration"; // okay
- canned_data_len = 16 * 7;
- a = addressmap_register_virtual_address(RESOLVED_TYPE_IPV6,
- tor_strdup("wuffle.baz"));
- b = addressmap_register_virtual_address(RESOLVED_TYPE_IPV6,
- tor_strdup("gribble.baz"));
- c = addressmap_register_virtual_address(RESOLVED_TYPE_IPV6,
- tor_strdup("surprisingly-legible.baz"));
- tt_str_op(a, OP_EQ, "[1010:f16e:7468:6f70:7465:7279:6769:616e]");
- tt_str_op(b, OP_EQ, "[1010:fe65:6d61:746f:6772:6170:6869:7374]");
- tt_str_op(c, OP_EQ, "[1010:f164:6d69:6e69:7374:7261:7469:6f6e]");
- // Try address exhaustion: make sure we can actually fail if we
- // get too many already-existing addresses.
- canned_data_len = 128*1024;
- canned_data = ones = tor_malloc(canned_data_len);
- memset(ones, 1, canned_data_len);
- // There is some chance this one will fail if a previous random
- // allocation gave out the address already.
- a = addressmap_register_virtual_address(RESOLVED_TYPE_IPV4,
- tor_strdup("might-work.onion"));
- if (a) {
- tt_str_op(a, OP_EQ, "192.168.1.1");
- }
- setup_capture_of_logs(LOG_WARN);
- // This one will definitely fail, since we've set up the RNG to hand
- // out "1" forever.
- b = addressmap_register_virtual_address(RESOLVED_TYPE_IPV4,
- tor_strdup("wont-work.onion"));
- tt_assert(b == NULL);
- expect_single_log_msg_containing("Ran out of virtual addresses!");
- done:
- UNMOCK(crypto_rand);
- tor_free(ones);
- addressmap_free_all();
- teardown_capture_of_logs();
- }
- static void
- test_addr_localname(void *arg)
- {
- (void)arg;
- tt_assert(tor_addr_hostname_is_local("localhost"));
- tt_assert(tor_addr_hostname_is_local("LOCALHOST"));
- tt_assert(tor_addr_hostname_is_local("LocalHost"));
- tt_assert(tor_addr_hostname_is_local("local"));
- tt_assert(tor_addr_hostname_is_local("LOCAL"));
- tt_assert(tor_addr_hostname_is_local("here.now.local"));
- tt_assert(tor_addr_hostname_is_local("here.now.LOCAL"));
- tt_assert(!tor_addr_hostname_is_local(" localhost"));
- tt_assert(!tor_addr_hostname_is_local("www.torproject.org"));
- done:
- ;
- }
- static void
- test_addr_dup_ip(void *arg)
- {
- char *v = NULL;
- (void)arg;
- #define CHECK(ip, s) do { \
- v = tor_dup_ip(ip); \
- tt_str_op(v,OP_EQ,(s)); \
- tor_free(v); \
- } while (0)
- CHECK(0xffffffff, "255.255.255.255");
- CHECK(0x00000000, "0.0.0.0");
- CHECK(0x7f000001, "127.0.0.1");
- CHECK(0x01020304, "1.2.3.4");
- #undef CHECK
- done:
- tor_free(v);
- }
- static void
- test_addr_sockaddr_to_str(void *arg)
- {
- char *v = NULL;
- struct sockaddr_in sin;
- struct sockaddr_in6 sin6;
- struct sockaddr_storage ss;
- #ifdef HAVE_SYS_UN_H
- struct sockaddr_un s_un;
- #endif
- #define CHECK(sa, s) do { \
- v = tor_sockaddr_to_str((const struct sockaddr*) &(sa)); \
- tt_str_op(v,OP_EQ,(s)); \
- tor_free(v); \
- } while (0)
- (void)arg;
- memset(&ss,0,sizeof(ss));
- ss.ss_family = AF_UNSPEC;
- CHECK(ss, "unspec");
- memset(&sin,0,sizeof(sin));
- sin.sin_family = AF_INET;
- sin.sin_addr.s_addr = htonl(0x7f808001);
- sin.sin_port = htons(1234);
- CHECK(sin, "127.128.128.1:1234");
- #ifdef HAVE_SYS_UN_H
- memset(&s_un,0,sizeof(s_un));
- s_un.sun_family = AF_UNIX;
- strlcpy(s_un.sun_path, "/here/is/a/path", sizeof(s_un.sun_path));
- CHECK(s_un, "unix:/here/is/a/path");
- #endif /* defined(HAVE_SYS_UN_H) */
- memset(&sin6,0,sizeof(sin6));
- sin6.sin6_family = AF_INET6;
- memcpy(sin6.sin6_addr.s6_addr, "\x20\x00\x00\x00\x00\x00\x00\x00"
- "\x00\x1a\x2b\x3c\x4d\x5e\x00\x01", 16);
- sin6.sin6_port = htons(1234);
- CHECK(sin6, "[2000::1a:2b3c:4d5e:1]:1234");
- done:
- tor_free(v);
- }
- 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), OP_GE, 0);
- tt_int_op(tor_addr_is_loopback(&addr), OP_EQ,
- loopback_items[i].is_loopback);
- }
- tor_addr_make_unspec(&addr);
- tt_int_op(tor_addr_is_loopback(&addr), OP_EQ, 0);
- done:
- ;
- }
- static void
- test_addr_make_null(void *data)
- {
- tor_addr_t *addr = tor_malloc(sizeof(*addr));
- tor_addr_t *zeros = tor_malloc_zero(sizeof(*addr));
- char buf[TOR_ADDR_BUF_LEN];
- (void) data;
- /* Ensure that before tor_addr_make_null, addr != 0's */
- memset(addr, 1, sizeof(*addr));
- tt_int_op(fast_memcmp(addr, zeros, sizeof(*addr)), OP_NE, 0);
- /* Test with AF == AF_INET */
- zeros->family = AF_INET;
- tor_addr_make_null(addr, AF_INET);
- tt_int_op(fast_memcmp(addr, zeros, sizeof(*addr)), OP_EQ, 0);
- tt_str_op(tor_addr_to_str(buf, addr, sizeof(buf), 0), OP_EQ, "0.0.0.0");
- /* Test with AF == AF_INET6 */
- memset(addr, 1, sizeof(*addr));
- zeros->family = AF_INET6;
- tor_addr_make_null(addr, AF_INET6);
- tt_int_op(fast_memcmp(addr, zeros, sizeof(*addr)), OP_EQ, 0);
- tt_str_op(tor_addr_to_str(buf, addr, sizeof(buf), 0), OP_EQ, "::");
- done:
- tor_free(addr);
- tor_free(zeros);
- }
- #define ADDR_LEGACY(name) \
- { #name, test_addr_ ## name , 0, NULL, NULL }
- struct testcase_t addr_tests[] = {
- ADDR_LEGACY(basic),
- ADDR_LEGACY(ip6_helpers),
- ADDR_LEGACY(parse),
- { "virtaddr", test_virtaddrmap, 0, NULL, NULL },
- { "virtaddr_persist", test_virtaddrmap_persist, TT_FORK, NULL, NULL },
- { "localname", test_addr_localname, 0, NULL, NULL },
- { "dup_ip", test_addr_dup_ip, 0, NULL, NULL },
- { "sockaddr_to_str", test_addr_sockaddr_to_str, 0, NULL, NULL },
- { "is_loopback", test_addr_is_loopback, 0, NULL, NULL },
- { "make_null", test_addr_make_null, 0, NULL, NULL },
- END_OF_TESTCASES
- };
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