/** Return a newly allocated string holding the address described in
* <b>sa</b>. AF_UNIX, AF_UNSPEC, AF_INET, and AF_INET6 are supported. */
char *
tor_sockaddr_to_str(const struct sockaddr *sa)
{
char address[TOR_ADDR_BUF_LEN];
char *result;
tor_addr_t addr;
uint16_t port;
#ifdef HAVE_SYS_UN_H
if (sa->sa_family == AF_UNIX) {
struct sockaddr_un *s_un = (struct sockaddr_un *)sa;
tor_asprintf(&result, "unix:%s", s_un->sun_path);
return result;
}
#endif
if (sa->sa_family == AF_UNSPEC)
return tor_strdup("unspec");
if (tor_addr_from_sockaddr(&addr, sa, &port) < 0)
return NULL;
if (! tor_addr_to_str(address, &addr, sizeof(address), 1))
return NULL;
tor_asprintf(&result, "%s:%d", address, (int)port);
return result;
}
/** Helper function: called by evdns whenever the client sends a request to our
* DNSPort. We need to eventually answer the request <b>req</b>.
*/
static void
evdns_server_callback(struct evdns_server_request *req, void *data_)
{
const listener_connection_t *listener = data_;
entry_connection_t *entry_conn;
edge_connection_t *conn;
int i = 0;
struct evdns_server_question *q = NULL, *supported_q = NULL;
struct sockaddr_storage addr;
struct sockaddr *sa;
int addrlen;
tor_addr_t tor_addr;
uint16_t port;
int err = DNS_ERR_NONE;
char *q_name;
tor_assert(req);
log_info(LD_APP, "Got a new DNS request!");
req->flags |= 0x80; /* set RA */
/* First, check whether the requesting address matches our SOCKSPolicy. */
if ((addrlen = evdns_server_request_get_requesting_addr(req,
(struct sockaddr*)&addr, (socklen_t)sizeof(addr))) < 0) {
log_warn(LD_APP, "Couldn't get requesting address.");
evdns_server_request_respond(req, DNS_ERR_SERVERFAILED);
return;
}
(void) addrlen;
sa = (struct sockaddr*) &addr;
if (tor_addr_from_sockaddr(&tor_addr, sa, &port)<0) {
log_warn(LD_APP, "Requesting address wasn't recognized.");
evdns_server_request_respond(req, DNS_ERR_SERVERFAILED);
return;
}
if (!socks_policy_permits_address(&tor_addr)) {
log_warn(LD_APP, "Rejecting DNS request from disallowed IP.");
evdns_server_request_respond(req, DNS_ERR_REFUSED);
return;
}
/* Now, let's find the first actual question of a type we can answer in this
* DNS request. It makes us a little noncompliant to act like this; we
* should fix that eventually if it turns out to make a difference for
* anybody. */
if (req->nquestions == 0) {
log_info(LD_APP, "No questions in DNS request; sending back nil reply.");
evdns_server_request_respond(req, 0);
return;
}
if (req->nquestions > 1) {
log_info(LD_APP, "Got a DNS request with more than one question; I only "
"handle one question at a time for now. Skipping the extras.");
}
for (i = 0; i < req->nquestions; ++i) {
if (req->questions[i]->dns_question_class != EVDNS_CLASS_INET)
continue;
switch (req->questions[i]->type) {
case EVDNS_TYPE_A:
case EVDNS_TYPE_AAAA:
case EVDNS_TYPE_PTR:
/* We always pick the first one of these questions, if there is
one. */
if (! supported_q)
supported_q = req->questions[i];
break;
default:
break;
}
}
if (supported_q)
q = supported_q;
if (!q) {
log_info(LD_APP, "None of the questions we got were ones we're willing "
"to support. Sending NOTIMPL.");
evdns_server_request_respond(req, DNS_ERR_NOTIMPL);
return;
}
/* Make sure the name isn't too long: This should be impossible, I think. */
if (err == DNS_ERR_NONE && strlen(q->name) > MAX_SOCKS_ADDR_LEN-1)
err = DNS_ERR_FORMAT;
if (err != DNS_ERR_NONE || !supported_q) {
/* We got an error? There's no question we're willing to answer? Then
* send back an answer immediately; we're done. */
evdns_server_request_respond(req, err);
return;
}
/* Make a new dummy AP connection, and attach the request to it. */
entry_conn = entry_connection_new(CONN_TYPE_AP, AF_INET);
conn = ENTRY_TO_EDGE_CONN(entry_conn);
CONNECTION_AP_EXPECT_NONPENDING(entry_conn);
TO_CONN(conn)->state = AP_CONN_STATE_RESOLVE_WAIT;
conn->is_dns_request = 1;
tor_addr_copy(&TO_CONN(conn)->addr, &tor_addr);
TO_CONN(conn)->port = port;
TO_CONN(conn)->address = tor_addr_to_str_dup(&tor_addr);
if (q->type == EVDNS_TYPE_A || q->type == EVDNS_TYPE_AAAA ||
q->type == EVDNS_QTYPE_ALL) {
entry_conn->socks_request->command = SOCKS_COMMAND_RESOLVE;
} else {
tor_assert(q->type == EVDNS_TYPE_PTR);
entry_conn->socks_request->command = SOCKS_COMMAND_RESOLVE_PTR;
}
/* This serves our DNS port so enable DNS request by default. */
entry_conn->entry_cfg.dns_request = 1;
if (q->type == EVDNS_TYPE_A || q->type == EVDNS_QTYPE_ALL) {
entry_conn->entry_cfg.ipv4_traffic = 1;
entry_conn->entry_cfg.ipv6_traffic = 0;
entry_conn->entry_cfg.prefer_ipv6 = 0;
} else if (q->type == EVDNS_TYPE_AAAA) {
entry_conn->entry_cfg.ipv4_traffic = 0;
entry_conn->entry_cfg.ipv6_traffic = 1;
entry_conn->entry_cfg.prefer_ipv6 = 1;
}
strlcpy(entry_conn->socks_request->address, q->name,
sizeof(entry_conn->socks_request->address));
entry_conn->socks_request->listener_type = listener->base_.type;
entry_conn->dns_server_request = req;
entry_conn->entry_cfg.isolation_flags = listener->entry_cfg.isolation_flags;
entry_conn->entry_cfg.session_group = listener->entry_cfg.session_group;
entry_conn->nym_epoch = get_signewnym_epoch();
if (connection_add(ENTRY_TO_CONN(entry_conn)) < 0) {
log_warn(LD_APP, "Couldn't register dummy connection for DNS request");
evdns_server_request_respond(req, DNS_ERR_SERVERFAILED);
connection_free(ENTRY_TO_CONN(entry_conn));
return;
}
control_event_stream_status(entry_conn, STREAM_EVENT_NEW_RESOLVE, 0);
/* Now, unless a controller asked us to leave streams unattached,
* throw the connection over to get rewritten (which will
* answer it immediately if it's in the cache, or completely bogus, or
* automapped), and then attached to a circuit. */
log_info(LD_APP, "Passing request for %s to rewrite_and_attach.",
escaped_safe_str_client(q->name));
q_name = tor_strdup(q->name); /* q could be freed in rewrite_and_attach */
connection_ap_rewrite_and_attach_if_allowed(entry_conn, NULL, NULL);
/* Now, the connection is marked if it was bad. */
log_info(LD_APP, "Passed request for %s to rewrite_and_attach_if_allowed.",
escaped_safe_str_client(q_name));
tor_free(q_name);
}
/** 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]", &t1, NULL, NULL, NULL);
tor_addr_parse_mask_ports("2.3.4.5", &t2, NULL, NULL, NULL);
test_assert(tor_addr_compare(&t1, &t2, CMP_SEMANTIC) == 0);
tor_addr_parse_mask_ports("[::ffff:2.3.4.4]", &t1, NULL, NULL, NULL);
tor_addr_parse_mask_ports("2.3.4.5", &t2, NULL, NULL, NULL);
test_assert(tor_addr_compare(&t1, &t2, CMP_SEMANTIC) < 0);
/* test compare_masked */
test_addr_compare_masked("ffff::", ==, "ffff::0", 128);
test_addr_compare_masked("ffff::", ==, "ffff::0", 64);
test_addr_compare_masked("0::2:2:1", <, "0::8000:2:1", 81);
test_addr_compare_masked("0::2:2:1", ==, "0::8000:2:1", 80);
/* Test 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);
}
/* test tor_addr_parse_mask_ports */
test_addr_mask_ports_parse("[::f]/17:47-95", AF_INET6,
0, 0, 0, 0x0000000f, 17, 47, 95);
test_streq(p1, "::f");
//test_addr_parse("[::fefe:4.1.1.7/120]:999-1000");
//test_addr_parse_check("::fefe:401:107", 120, 999, 1000);
test_addr_mask_ports_parse("[::ffff:4.1.1.7]/120:443", AF_INET6,
0, 0, 0x0000ffff, 0x04010107, 120, 443, 443);
test_streq(p1, "::ffff:4.1.1.7");
test_addr_mask_ports_parse("[abcd:2::44a:0]:2-65000", AF_INET6,
0xabcd0002, 0, 0, 0x044a0000, 128, 2, 65000);
test_streq(p1, "abcd:2::44a:0");
r=tor_addr_parse_mask_ports("[fefef::]/112", &t1, NULL, NULL, NULL);
test_assert(r == -1);
r=tor_addr_parse_mask_ports("efef::/112", &t1, NULL, NULL, NULL);
test_assert(r == -1);
r=tor_addr_parse_mask_ports("[f:f:f:f:f:f:f:f::]", &t1, NULL, NULL, NULL);
test_assert(r == -1);
r=tor_addr_parse_mask_ports("[::f:f:f:f:f:f:f:f]", &t1, NULL, NULL, NULL);
test_assert(r == -1);
r=tor_addr_parse_mask_ports("[f:f:f:f:f:f:f:f:f]", &t1, NULL, NULL, NULL);
test_assert(r == -1);
/* Test for V4-mapped address with mask < 96. (arguably not valid) */
r=tor_addr_parse_mask_ports("[::ffff:1.1.2.2/33]", &t1, &mask, NULL, NULL);
test_assert(r == -1);
r=tor_addr_parse_mask_ports("1.1.2.2/33", &t1, &mask, NULL, NULL);
test_assert(r == -1);
r=tor_addr_parse_mask_ports("1.1.2.2/31", &t1, &mask, NULL, NULL);
test_assert(r == AF_INET);
r=tor_addr_parse_mask_ports("[efef::]/112", &t1, &mask, &port1, &port2);
test_assert(r == AF_INET6);
test_assert(port1 == 1);
test_assert(port2 == 65535);
/* make sure inet address lengths >= max */
test_assert(INET_NTOA_BUF_LEN >= sizeof("255.255.255.255"));
test_assert(TOR_ADDR_BUF_LEN >=
sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"));
test_assert(sizeof(tor_addr_t) >= sizeof(struct in6_addr));
/* get interface addresses */
r = get_interface_address6(LOG_DEBUG, AF_INET, &t1);
i = get_interface_address6(LOG_DEBUG, AF_INET6, &t2);
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:
;
}
/** 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:
;
}