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tor/src/test/test_addr.c
Nick Mathewson 2ac66e59f7 Merge remote-tracking branch 'origin/maint-0.2.3' into maint-0.2.4 
Conflicts:
	src/test/test_addr.c
2013-03-18 15:28:39 -04:00

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/* 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 <b>a</b> 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 <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 \
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 <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 \
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 <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 \
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 <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 \
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 <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 \
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 <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 \
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
};
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