コード例 #1
0
ファイル: regress_ssl.c プロジェクト: jimmy-kuo/websearch
static void
eventcb(struct bufferevent *bev, short what, void *ctx)
{
	TT_BLATHER(("Got event %d", (int)what));
	if (what & BEV_EVENT_CONNECTED) {
		SSL *ssl;
		X509 *peer_cert;
		++n_connected;
		ssl = bufferevent_openssl_get_ssl(bev);
		tt_assert(ssl);
		peer_cert = SSL_get_peer_certificate(ssl);
		if (0==strcmp(ctx, "server")) {
			tt_assert(peer_cert == NULL);
		} else {
			tt_assert(peer_cert != NULL);
		}
		if (stop_when_connected) {
			if (--pending_connect_events == 0)
				event_base_loopexit(exit_base, NULL);
		}
	} else if (what & BEV_EVENT_EOF) {
		TT_BLATHER(("Got a good EOF"));
		++got_close;
		bufferevent_free(bev);
	} else if (what & BEV_EVENT_ERROR) {
		TT_BLATHER(("Got an error."));
		++got_error;
		bufferevent_free(bev);
	}
end:
	;
}
コード例 #2
0
ファイル: regress_dns.c プロジェクト: AllenShi/h-store
/* Bufferevent event callback for the connect_hostname test: remembers what
 * event we got. */
static void
be_connect_hostname_event_cb(struct bufferevent *bev, short what, void *ctx)
{
	struct be_conn_hostname_result *got = ctx;
	if (!got->what) {
		TT_BLATHER(("Got a bufferevent event %d", what));
		got->what = what;

		if ((what & BEV_EVENT_CONNECTED) || (what & BEV_EVENT_ERROR)) {
			int r;
			++total_connected_or_failed;
			TT_BLATHER(("Got %d connections or errors.", total_connected_or_failed));
			if ((r = bufferevent_socket_get_dns_error(bev))) {
				got->dnserr = r;
				TT_BLATHER(("DNS error %d: %s", r,
					   evutil_gai_strerror(r)));
			}
			if (total_connected_or_failed >= 5)
				event_base_loopexit(be_connect_hostname_base,
				    NULL);
		}
	} else {
		TT_FAIL(("Two events on one bufferevent. %d,%d",
			got->what, (int)what));
	}
}
コード例 #3
0
ファイル: regress_thread.c プロジェクト: jimmy-kuo/websearch
static void
thread_deferred_cb_skew(void *arg)
{
	struct basic_test_data *data = arg;
	struct timeval tv_timer = {4, 0};
	struct deferred_cb_queue *queue;
	time_t elapsed;
	int i;

	queue = event_base_get_deferred_cb_queue(data->base);
	tt_assert(queue);

	for (i = 0; i < QUEUE_THREAD_COUNT; ++i)
		deferred_data[i].queue = queue;

	timer_start = time(NULL);
	event_base_once(data->base, -1, EV_TIMEOUT, timer_callback, NULL,
			&tv_timer);
	event_base_once(data->base, -1, EV_TIMEOUT, start_threads_callback,
			NULL, NULL);
	event_base_dispatch(data->base);

	elapsed = timer_end - timer_start;
	TT_BLATHER(("callback count, %u", callback_count));
	TT_BLATHER(("elapsed time, %u", (unsigned)elapsed));
	/* XXX be more intelligent here.  just make sure skew is
	 * within 2 seconds for now. */
	tt_assert(elapsed >= 4 && elapsed <= 6);

end:
	for (i = 0; i < QUEUE_THREAD_COUNT; ++i)
		THREAD_JOIN(load_threads[i]);
}
コード例 #4
0
ファイル: regress_ssl.c プロジェクト: jimmy-kuo/websearch
static void
respond_to_number(struct bufferevent *bev, void *ctx)
{
	struct evbuffer *b = bufferevent_get_input(bev);
	char *line;
	int n;
	line = evbuffer_readln(b, NULL, EVBUFFER_EOL_LF);
	if (! line)
		return;
	n = atoi(line);
	if (n <= 0)
		TT_FAIL(("Bad number: %s", line));
	TT_BLATHER(("The number was %d", n));
	if (n == 1001) {
		++test_is_done;
		bufferevent_free(bev); /* Should trigger close on other side. */
		return;
	}
	if (!strcmp(ctx, "client") && n == renegotiate_at) {
		SSL_renegotiate(bufferevent_openssl_get_ssl(bev));
	}
	++n;
	evbuffer_add_printf(bufferevent_get_output(bev),
	    "%d\n", n);
	TT_BLATHER(("Done reading; now writing."));
	bufferevent_enable(bev, EV_WRITE);
	bufferevent_disable(bev, EV_READ);
}
コード例 #5
0
ファイル: regress_thread.c プロジェクト: jimmy-kuo/websearch
static void
thread_basic(void *arg)
{
	THREAD_T threads[NUM_THREADS];
	struct event ev;
	struct timeval tv;
	int i;
	struct basic_test_data *data = arg;
	struct event_base *base = data->base;

	struct event *notification_event = NULL;
	struct event *sigchld_event = NULL;

	EVTHREAD_ALLOC_LOCK(count_lock, 0);
	tt_assert(count_lock);

	tt_assert(base);
	if (evthread_make_base_notifiable(base)<0) {
		tt_abort_msg("Couldn't make base notifiable!");
	}

#ifndef WIN32
	if (data->setup_data && !strcmp(data->setup_data, "forking")) {
		pid_t pid;
		int status;
		sigchld_event = evsignal_new(base, SIGCHLD, sigchld_cb, base);
		/* This piggybacks on the th_notify_fd weirdly, and looks
		 * inside libevent internals.  Not a good idea in non-testing
		 * code! */
		notification_event = event_new(base,
		    base->th_notify_fd[0], EV_READ|EV_PERSIST, notify_fd_cb,
		    NULL);
		event_add(sigchld_event, NULL);
		event_add(notification_event, NULL);

		if ((pid = fork()) == 0) {
			event_del(notification_event);
			if (event_reinit(base) < 0) {
				TT_FAIL(("reinit"));
				exit(1);
			}
			event_assign(notification_event, base,
			    base->th_notify_fd[0], EV_READ|EV_PERSIST,
			    notify_fd_cb, NULL);
			event_add(notification_event, NULL);
	 		goto child;
		}

		event_base_dispatch(base);

		if (waitpid(pid, &status, 0) == -1)
			tt_abort_perror("waitpid");
		TT_BLATHER(("Waitpid okay\n"));

		tt_assert(got_sigchld);
		tt_int_op(notification_fd_used, ==, 0);

		goto end;
	}
コード例 #6
0
static void
thread_deferred_cb_skew(void *arg)
{
	struct timeval tv_timer = {1, 0};
	struct event_base *base = NULL;
	struct event_config *cfg = NULL;
	struct timeval elapsed;
	int elapsed_usec;
	int i;

	cfg = event_config_new();
	tt_assert(cfg);
	event_config_set_max_dispatch_interval(cfg, NULL, 16, 0);

	base = event_base_new_with_config(cfg);
	tt_assert(base);

	for (i = 0; i < QUEUE_THREAD_COUNT; ++i)
		deferred_data[i].queue = base;

	evutil_gettimeofday(&timer_start, NULL);
	event_base_once(base, -1, EV_TIMEOUT, timer_callback, NULL,
			&tv_timer);
	event_base_once(base, -1, EV_TIMEOUT, start_threads_callback,
			NULL, NULL);
	event_base_dispatch(base);

	evutil_timersub(&timer_end, &timer_start, &elapsed);
	TT_BLATHER(("callback count, %u", callback_count));
	elapsed_usec =
	    (unsigned)(elapsed.tv_sec*1000000 + elapsed.tv_usec);
	TT_BLATHER(("elapsed time, %u usec", elapsed_usec));

	/* XXX be more intelligent here.  just make sure skew is
	 * within .4 seconds for now. */
	tt_assert(elapsed_usec >= 600000 && elapsed_usec <= 1400000);

end:
	for (i = 0; i < QUEUE_THREAD_COUNT; ++i)
		THREAD_JOIN(load_threads[i]);
	if (base)
		event_base_free(base);
	if (cfg)
		event_config_free(cfg);
}
コード例 #7
0
ファイル: regress_ssl.c プロジェクト: jimmy-kuo/websearch
static void
done_writing_cb(struct bufferevent *bev, void *ctx)
{
	struct evbuffer *b = bufferevent_get_output(bev);
	if (evbuffer_get_length(b))
		return;
	TT_BLATHER(("Done writing."));
	bufferevent_disable(bev, EV_WRITE);
	bufferevent_enable(bev, EV_READ);
}
コード例 #8
0
ファイル: regress_dns.c プロジェクト: chris-davis/libevent
/* Bufferevent event callback for the connect_hostname test: remembers what
 * event we got. */
static void
be_connect_hostname_event_cb(struct bufferevent *bev, short what, void *ctx)
{
	int *got = ctx;
	if (!*got) {
		TT_BLATHER(("Got a bufferevent event %d", what));
		*got = what;

		if ((what & BEV_EVENT_CONNECTED) || (what & BEV_EVENT_ERROR)) {
			++total_connected_or_failed;
			TT_BLATHER(("Got %d connections or errors.", total_connected_or_failed));
			if (total_connected_or_failed >= 5)
				event_base_loopexit(be_connect_hostname_base,
				    NULL);
		}
	} else {
		TT_FAIL(("Two events on one bufferevent. %d,%d",
			(int)*got, (int)what));
	}
}
コード例 #9
0
ファイル: regress_dns.c プロジェクト: chris-davis/libevent
static void
gai_cb(int err, struct evutil_addrinfo *res, void *ptr)
{
	struct gai_outcome *go = ptr;
	go->err = err;
	go->ai = res;
	if (--n_gai_results_pending <= 0 && exit_base_on_no_pending_results)
		event_base_loopexit(exit_base_on_no_pending_results, NULL);
	if (n_gai_results_pending < 900)
		TT_BLATHER(("Got an answer; expecting %d more.",
			n_gai_results_pending));
}
コード例 #10
0
ファイル: regress_listener.c プロジェクト: rphillips/libevent
static void
acceptcb(struct evconnlistener *listener, evutil_socket_t fd,
    struct sockaddr *addr, int socklen, void *arg)
{
	int *ptr = arg;
	--*ptr;
	TT_BLATHER(("Got one for %p", ptr));
	EVUTIL_CLOSESOCKET(fd);

	if (! *ptr)
		evconnlistener_disable(listener);
}
コード例 #11
0
ファイル: regress_util.c プロジェクト: CTSRD-CHERI/cheribsd
static void
regress_ipv6_parse(void *ptr)
{
#ifdef AF_INET6
	int i, j;

	for (i = 0; ipv6_entries[i].addr; ++i) {
		char written[128];
		struct ipv6_entry *ent = &ipv6_entries[i];
		struct in6_addr in6;
		int r;
		r = evutil_inet_pton(AF_INET6, ent->addr, &in6);
		if (r == 0) {
			if (ent->status != BAD)
				TT_FAIL(("%s did not parse, but it's a good address!",
					ent->addr));
			continue;
		}
		if (ent->status == BAD) {
			TT_FAIL(("%s parsed, but we expected an error", ent->addr));
			continue;
		}
		for (j = 0; j < 4; ++j) {
			/* Can't use s6_addr32 here; some don't have it. */
			ev_uint32_t u =
			    ((ev_uint32_t)in6.s6_addr[j*4  ] << 24) |
			    ((ev_uint32_t)in6.s6_addr[j*4+1] << 16) |
			    ((ev_uint32_t)in6.s6_addr[j*4+2] << 8) |
			    ((ev_uint32_t)in6.s6_addr[j*4+3]);
			if (u != ent->res[j]) {
				TT_FAIL(("%s did not parse as expected.", ent->addr));
				continue;
			}
		}
		if (ent->status == CANONICAL) {
			const char *w = evutil_inet_ntop(AF_INET6, &in6, written,
											 sizeof(written));
			if (!w) {
				TT_FAIL(("Tried to write out %s; got NULL.", ent->addr));
				continue;
			}
			if (strcmp(written, ent->addr)) {
				TT_FAIL(("Tried to write out %s; got %s", ent->addr, written));
				continue;
			}
		}

	}
#else
	TT_BLATHER(("Skipping IPv6 address parsing."));
#endif
}
コード例 #12
0
ファイル: regress_et.c プロジェクト: ghewgill/libevent
static void
test_edgetriggered(void *et)
{
	struct event *ev = NULL;
	struct event_base *base = NULL;
	const char *test = "test string";
	evutil_socket_t pair[2] = {-1,-1};
	int supports_et;

	if (evutil_socketpair(LOCAL_SOCKETPAIR_AF, SOCK_STREAM, 0, pair) == -1) {
		tt_abort_perror("socketpair");
	}

	called = was_et = 0;

	send(pair[0], test, (int)strlen(test)+1, 0);
	shutdown(pair[0], SHUT_WR);

	/* Initalize the event library */
	base = event_base_new();

	if (!strcmp(event_base_get_method(base), "epoll") ||
	    !strcmp(event_base_get_method(base), "epoll (with changelist)") ||
	    !strcmp(event_base_get_method(base), "kqueue"))
		supports_et = 1;
	else
		supports_et = 0;

	TT_BLATHER(("Checking for edge-triggered events with %s, which should %s"
				"support edge-triggering", event_base_get_method(base),
				supports_et?"":"not "));

	/* Initalize one event */
	ev = event_new(base, pair[1], EV_READ|EV_ET|EV_PERSIST, read_cb, &ev);

	event_add(ev, NULL);

	/* We're going to call the dispatch function twice.  The first invocation
	 * will read a single byte from pair[1] in either case.  If we're edge
	 * triggered, we'll only see the event once (since we only see transitions
	 * from no data to data), so the second invocation of event_base_loop will
	 * do nothing.  If we're level triggered, the second invocation of
	 * event_base_loop will also activate the event (because there's still
	 * data to read). */
	event_base_loop(base,EVLOOP_NONBLOCK|EVLOOP_ONCE);
	event_base_loop(base,EVLOOP_NONBLOCK|EVLOOP_ONCE);

	if (supports_et) {
		tt_int_op(called, ==, 1);
		tt_assert(was_et);
	} else {
コード例 #13
0
ファイル: regress_dns.c プロジェクト: AllenShi/h-store
static void
search_cancel_server_cb(struct evdns_server_request *req, void *data)
{
	const char *question;

	if (req->nquestions != 1)
		TT_DIE(("Only handling one question at a time; got %d",
			req->nquestions));

	question = req->questions[0]->name;

	TT_BLATHER(("got question, %s", question));

	tt_assert(request_count > 0);
	tt_assert(!evdns_server_request_respond(req, 3));

	if (!--request_count)
		evdns_cancel_request(NULL, current_req);

end:
	;
}
コード例 #14
0
static void
thread_no_events(void *arg)
{
	THREAD_T thread;
	struct basic_test_data *data = arg;
	struct timeval starttime, endtime;
	int i;
	exit_base = data->base;

	memset(times,0,sizeof(times));
	for (i=0;i<5;++i) {
		event_assign(&time_events[i], data->base,
		    -1, 0, note_time_cb, &times[i]);
	}

	evutil_gettimeofday(&starttime, NULL);
	THREAD_START(thread, register_events_subthread, data->base);
	event_base_loop(data->base, EVLOOP_NO_EXIT_ON_EMPTY);
	evutil_gettimeofday(&endtime, NULL);
	tt_assert(event_base_got_break(data->base));
	THREAD_JOIN(thread);
	for (i=0; i<5; ++i) {
		struct timeval diff;
		double sec;
		evutil_timersub(&times[i], &starttime, &diff);
		sec = diff.tv_sec + diff.tv_usec/1.0e6;
		TT_BLATHER(("event %d at %.4f seconds", i, sec));
	}
	test_timeval_diff_eq(&starttime, &times[0], 100);
	test_timeval_diff_eq(&starttime, &times[1], 200);
	test_timeval_diff_eq(&starttime, &times[2], 400);
	test_timeval_diff_eq(&starttime, &times[3], 450);
	test_timeval_diff_eq(&starttime, &times[4], 500);
	test_timeval_diff_eq(&starttime, &endtime,  500);

end:
	;
}
コード例 #15
0
ファイル: test_addr.c プロジェクト: nmathewson/Tor
/** 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:
  ;
}
コード例 #16
0
ファイル: regress_thread.c プロジェクト: jimmy-kuo/websearch
static void
thread_conditions_simple(void *arg)
{
	struct timeval tv_signal, tv_timeout, tv_broadcast;
	struct alerted_record alerted[NUM_THREADS];
	THREAD_T threads[NUM_THREADS];
	struct cond_wait cond;
	int i;
	struct timeval launched_at;
	struct event wake_one;
	struct event wake_all;
	struct basic_test_data *data = arg;
	struct event_base *base = data->base;
	int n_timed_out=0, n_signal=0, n_broadcast=0;

	tv_signal.tv_sec = tv_timeout.tv_sec = tv_broadcast.tv_sec = 0;
	tv_signal.tv_usec = 30*1000;
	tv_timeout.tv_usec = 150*1000;
	tv_broadcast.tv_usec = 500*1000;

	EVTHREAD_ALLOC_LOCK(cond.lock, EVTHREAD_LOCKTYPE_RECURSIVE);
	EVTHREAD_ALLOC_COND(cond.cond);
	tt_assert(cond.lock);
	tt_assert(cond.cond);
	for (i = 0; i < NUM_THREADS; ++i) {
		memset(&alerted[i], 0, sizeof(struct alerted_record));
		alerted[i].cond = &cond;
	}

	/* Threads 5 and 6 will be allowed to time out */
	memcpy(&alerted[5].delay, &tv_timeout, sizeof(tv_timeout));
	memcpy(&alerted[6].delay, &tv_timeout, sizeof(tv_timeout));

	evtimer_assign(&wake_one, base, wake_one_timeout, &cond);
	evtimer_assign(&wake_all, base, wake_all_timeout, &cond);

	evutil_gettimeofday(&launched_at, NULL);

	/* Launch the threads... */
	for (i = 0; i < NUM_THREADS; ++i) {
		THREAD_START(threads[i], wait_for_condition, &alerted[i]);
	}

	/* Start the timers... */
	tt_int_op(event_add(&wake_one, &tv_signal), ==, 0);
	tt_int_op(event_add(&wake_all, &tv_broadcast), ==, 0);

	/* And run for a bit... */
	event_base_dispatch(base);

	/* And wait till the threads are done. */
	for (i = 0; i < NUM_THREADS; ++i)
		THREAD_JOIN(threads[i]);

	/* Now, let's see what happened. At least one of 5 or 6 should
	 * have timed out. */
	n_timed_out = alerted[5].timed_out + alerted[6].timed_out;
	tt_int_op(n_timed_out, >=, 1);
	tt_int_op(n_timed_out, <=, 2);

	for (i = 0; i < NUM_THREADS; ++i) {
		const struct timeval *target_delay;
		struct timeval target_time, actual_delay;
		if (alerted[i].timed_out) {
			TT_BLATHER(("%d looks like a timeout\n", i));
			target_delay = &tv_timeout;
			tt_assert(i == 5 || i == 6);
		} else if (evutil_timerisset(&alerted[i].alerted_at)) {
			long diff1,diff2;
			evutil_timersub(&alerted[i].alerted_at,
			    &launched_at, &actual_delay);
			diff1 = timeval_msec_diff(&actual_delay,
			    &tv_signal);
			diff2 = timeval_msec_diff(&actual_delay,
			    &tv_broadcast);
			if (abs(diff1) < abs(diff2)) {
				TT_BLATHER(("%d looks like a signal\n", i));
				target_delay = &tv_signal;
				++n_signal;
			} else {
				TT_BLATHER(("%d looks like a broadcast\n", i));
				target_delay = &tv_broadcast;
				++n_broadcast;
			}
		} else {
			TT_FAIL(("Thread %d never got woken", i));
			continue;
		}
		evutil_timeradd(target_delay, &launched_at, &target_time);
		test_timeval_diff_leq(&target_time, &alerted[i].alerted_at,
		    0, 50);
	}
	tt_int_op(n_broadcast + n_signal + n_timed_out, ==, NUM_THREADS);
	tt_int_op(n_signal, ==, 1);

end:
	;
}
コード例 #17
0
ファイル: regress_main.c プロジェクト: Richard-Ni/libevent
static void dnslogcb(int w, const char *m)
{
	TT_BLATHER(("%s", m));
}
コード例 #18
0
static void
test_edgetriggered(void *et)
{
	struct event *ev = NULL;
	struct event_base *base = NULL;
	const char *test = "test string";
	evutil_socket_t pair[2] = {-1,-1};
	int supports_et;

	/* On Linux 3.2.1 (at least, as patched by Fedora and tested by Nick),
	 * doing a "recv" on an AF_UNIX socket resets the readability of the
	 * socket, even though there is no state change, so we don't actually
	 * get edge-triggered behavior.  Yuck!  Linux 3.1.9 didn't have this
	 * problem.
	 */
#ifdef __linux__
	if (evutil_ersatz_socketpair_(AF_INET, SOCK_STREAM, 0, pair) == -1) {
		tt_abort_perror("socketpair");
	}
#else
	if (evutil_socketpair(LOCAL_SOCKETPAIR_AF, SOCK_STREAM, 0, pair) == -1) {
		tt_abort_perror("socketpair");
	}
#endif

	called = was_et = 0;

	tt_int_op(send(pair[0], test, (int)strlen(test)+1, 0), >, 0);
	shutdown(pair[0], SHUT_WR);

	/* Initalize the event library */
	base = event_base_new();

	if (!strcmp(event_base_get_method(base), "epoll") ||
	    !strcmp(event_base_get_method(base), "epoll (with changelist)") ||
	    !strcmp(event_base_get_method(base), "kqueue"))
		supports_et = 1;
	else
		supports_et = 0;

	TT_BLATHER(("Checking for edge-triggered events with %s, which should %s"
				"support edge-triggering", event_base_get_method(base),
				supports_et?"":"not "));

	/* Initalize one event */
	ev = event_new(base, pair[1], EV_READ|EV_ET|EV_PERSIST, read_cb, &ev);

	event_add(ev, NULL);

	/* We're going to call the dispatch function twice.  The first invocation
	 * will read a single byte from pair[1] in either case.  If we're edge
	 * triggered, we'll only see the event once (since we only see transitions
	 * from no data to data), so the second invocation of event_base_loop will
	 * do nothing.  If we're level triggered, the second invocation of
	 * event_base_loop will also activate the event (because there's still
	 * data to read). */
	event_base_loop(base,EVLOOP_NONBLOCK|EVLOOP_ONCE);
	event_base_loop(base,EVLOOP_NONBLOCK|EVLOOP_ONCE);

	if (supports_et) {
		tt_int_op(called, ==, 1);
		tt_assert(was_et);
	} else {
コード例 #19
0
ファイル: regress_dns.c プロジェクト: chris-davis/libevent
static void
dns_gethostbyname_cb(int result, char type, int count, int ttl,
    void *addresses, void *arg)
{
	dns_ok = dns_err = 0;

	if (result == DNS_ERR_TIMEOUT) {
		printf("[Timed out] ");
		dns_err = result;
		goto out;
	}

	if (result != DNS_ERR_NONE) {
		printf("[Error code %d] ", result);
		goto out;
	}

        TT_BLATHER(("type: %d, count: %d, ttl: %d: ", type, count, ttl));

	switch (type) {
	case DNS_IPv6_AAAA: {
#if defined(_EVENT_HAVE_STRUCT_IN6_ADDR) && defined(_EVENT_HAVE_INET_NTOP) && defined(INET6_ADDRSTRLEN)
		struct in6_addr *in6_addrs = addresses;
		char buf[INET6_ADDRSTRLEN+1];
		int i;
		/* a resolution that's not valid does not help */
		if (ttl < 0)
			goto out;
		for (i = 0; i < count; ++i) {
			const char *b = inet_ntop(AF_INET6, &in6_addrs[i], buf,sizeof(buf));
			if (b)
				TT_BLATHER(("%s ", b));
			else
				TT_BLATHER(("%s ", strerror(errno)));
		}
#endif
		break;
	}
	case DNS_IPv4_A: {
		struct in_addr *in_addrs = addresses;
		int i;
		/* a resolution that's not valid does not help */
		if (ttl < 0)
			goto out;
		for (i = 0; i < count; ++i)
                        TT_BLATHER(("%s ", inet_ntoa(in_addrs[i])));
		break;
	}
	case DNS_PTR:
		/* may get at most one PTR */
		if (count != 1)
			goto out;

		TT_BLATHER(("%s ", *(char **)addresses));
		break;
	default:
		goto out;
	}

	dns_ok = type;

out:
	if (arg == NULL)
		event_loopexit(NULL);
	else
		event_base_loopexit((struct event_base *)arg, NULL);
}
コード例 #20
0
ファイル: test_addr.c プロジェクト: adambregenzer/tor_android
/** 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:
  ;
}