Adding upstream version 1.0.18.upstream/1.0.18upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1078 insertions, 0 deletions

diff --git a/libevent/test/regress_ssl.c b/libevent/test/regress_ssl.c
new file mode 100644
index 0000000..37dc334
--- /dev/null
+++ b/libevent/test/regress_ssl.c
@@ -0,0 +1,1078 @@
+/*
+ * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// Get rid of OSX 10.7 and greater deprecation warnings.
+#if defined(__APPLE__) && defined(__clang__)
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
+#ifdef _WIN32
+#include <winsock2.h>
+#include <windows.h>
+#endif
+
+#include "util-internal.h"
+
+#ifndef _WIN32
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#endif
+
+#include "event2/util.h"
+#include "event2/event.h"
+#include "event2/bufferevent_ssl.h"
+#include "event2/bufferevent_struct.h"
+#include "event2/buffer.h"
+#include "event2/listener.h"
+
+#include "regress.h"
+#include "tinytest.h"
+#include "tinytest_macros.h"
+
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include "openssl-compat.h"
+
+#include <string.h>
+#ifdef _WIN32
+#include <io.h>
+#define read _read
+#define write _write
+#else
+#include <unistd.h>
+#endif
+
+/* A pre-generated key, to save the cost of doing an RSA key generation step
+ * during the unit tests. It is published in this file, so you would have to
+ * be very foolish to consider using it in your own code. */
+static const char KEY[] =
+    "-----BEGIN RSA PRIVATE KEY-----\n"
+    "MIIEogIBAAKCAQEAtK07Ili0dkJb79m/sFmHoVJTWyLoveXex2yX/BtUzzcvZEOu\n"
+    "QLon/++5YOA48kzZm5K9mIwZkZhui1ZgJ5Bjq0LGAWTZGIn+NXjLFshPYvTKpOCW\n"
+    "uzL0Ir0LXMsBLYJQ5A4FomLNxs4I3H/dhDSGy/rSiJB1B4w2xNiwPK08/VL3zZqk\n"
+    "V+GsSvGIIkzhTMbqPJy9K8pqyjwOU2pgORS794yXciTGxWYjTDzJPgQ35YMDATaG\n"
+    "jr4HHo1zxU/Lj0pndSUK5rKLYxYQ3Uc8B3AVYDl9CP/GbOoQ4LBzS68JjcAUyp6i\n"
+    "6NfXlc2D9S9XgqVqwI+JqgJs0eW/+zPY2UEDWwIDAQABAoIBAD2HzV66FOM9YDAD\n"
+    "2RtGskEHV2nvLpIVadRCsFPkPvK+2X3s6rgSbbLkwh4y3lHuSCGKTNVZyQ9jeSos\n"
+    "xVxT+Q2HFQW+gYyw2gj91TQyDY8mzKhv8AVaqff2p5r3a7RC8CdqexK9UVUGL9Bg\n"
+    "H2F5vfpTtkVZ5PEoGDLblNFlMiMW/t1SobUeBVx+Msco/xqk9lFv1A9nnepGy0Gi\n"
+    "D+i6YNGTBsX22YhoCZl/ICxCL8lgqPei4FvBr9dBVh/jQgjuUBm2jz55p2r7+7Aw\n"
+    "khmXHReejoVokQ2+htgSgZNKlKuDy710ZpBqnDi8ynQi82Y2qCpyg/p/xcER54B6\n"
+    "hSftaiECgYEA2RkSoxU+nWk+BClQEUZRi88QK5W/M8oo1DvUs36hvPFkw3Jk/gz0\n"
+    "fgd5bnA+MXj0Fc0QHvbddPjIkyoI/evq9GPV+JYIuH5zabrlI3Jvya8q9QpAcEDO\n"
+    "KkL/O09qXVEW52S6l05nh4PLejyI7aTyTIN5nbVLac/+M8MY/qOjZksCgYEA1Q1o\n"
+    "L8kjSavU2xhQmSgZb9W62Do60sa3e73ljrDPoiyvbExldpSdziFYxHBD/Rep0ePf\n"
+    "eVSGS3VSwevt9/jSGo2Oa83TYYns9agBm03oR/Go/DukESdI792NsEM+PRFypVNy\n"
+    "AohWRLj0UU6DV+zLKp0VBavtx0ATeLFX0eN17TECgYBI2O/3Bz7uhQ0JSm+SjFz6\n"
+    "o+2SInp5P2G57aWu4VQWWY3tQ2p+EQzNaWam10UXRrXoxtmc+ktPX9e2AgnoYoyB\n"
+    "myqGcpnUhqHlnZAb999o9r1cYidDQ4uqhLauSTSwwXAFDzjJYsa8o03Y440y6QFh\n"
+    "CVD6yYXXqLJs3g96CqDexwKBgAHxq1+0QCQt8zVElYewO/svQhMzBNJjic0RQIT6\n"
+    "zAo4yij80XgxhvcYiszQEW6/xobpw2JCCS+rFGQ8mOFIXfJsFD6blDAxp/3d2JXo\n"
+    "MhRl+hrDGI4ng5zcsqxHEMxR2m/zwPiQ8eiSn3gWdVBaEsiCwmxY00ScKxFQ3PJH\n"
+    "Vw4hAoGAdZLd8KfjjG6lg7hfpVqavstqVi9LOgkHeCfdjn7JP+76kYrgLk/XdkrP\n"
+    "N/BHhtFVFjOi/mTQfQ5YfZImkm/1ePBy7437DT8BDkOxspa50kK4HPggHnU64h1w\n"
+    "lhdEOj7mAgHwGwwVZWOgs9Lq6vfztnSuhqjha1daESY6kDscPIQ=\n"
+    "-----END RSA PRIVATE KEY-----\n";
+
+EVP_PKEY *
+ssl_getkey(void)
+{
+	EVP_PKEY *key;
+	BIO *bio;
+
+	/* new read-only BIO backed by KEY. */
+	bio = BIO_new_mem_buf((char*)KEY, -1);
+	tt_assert(bio);
+
+	key = PEM_read_bio_PrivateKey(bio,NULL,NULL,NULL);
+	BIO_free(bio);
+	tt_assert(key);
+
+	return key;
+end:
+	return NULL;
+}
+
+X509 *
+ssl_getcert(EVP_PKEY *key)
+{
+	/* Dummy code to make a quick-and-dirty valid certificate with
+	   OpenSSL.  Don't copy this code into your own program! It does a
+	   number of things in a stupid and insecure way. */
+	X509 *x509 = NULL;
+	X509_NAME *name = NULL;
+	int nid;
+	time_t now = time(NULL);
+
+	tt_assert(key);
+
+	x509 = X509_new();
+	tt_assert(x509);
+	tt_assert(0 != X509_set_version(x509, 2));
+	tt_assert(0 != ASN1_INTEGER_set(X509_get_serialNumber(x509),
+		(long)now));
+
+	name = X509_NAME_new();
+	tt_assert(name);
+	nid = OBJ_txt2nid("commonName");
+	tt_assert(NID_undef != nid);
+	tt_assert(0 != X509_NAME_add_entry_by_NID(
+		    name, nid, MBSTRING_ASC, (unsigned char*)"example.com",
+		    -1, -1, 0));
+
+	X509_set_subject_name(x509, name);
+	X509_set_issuer_name(x509, name);
+	X509_NAME_free(name);
+
+	X509_time_adj(X509_getm_notBefore(x509), 0, &now);
+	now += 3600;
+	X509_time_adj(X509_getm_notAfter(x509), 0, &now);
+	X509_set_pubkey(x509, key);
+	tt_assert(0 != X509_sign(x509, key, EVP_sha1()));
+
+	return x509;
+end:
+	X509_free(x509);
+	X509_NAME_free(name);
+	return NULL;
+}
+
+static int disable_tls_11_and_12 = 0;
+static SSL_CTX *the_ssl_ctx = NULL;
+
+SSL_CTX *
+get_ssl_ctx(void)
+{
+	if (the_ssl_ctx)
+		return the_ssl_ctx;
+	the_ssl_ctx = SSL_CTX_new(SSLv23_method());
+	if (!the_ssl_ctx)
+		return NULL;
+	if (disable_tls_11_and_12) {
+#ifdef SSL_OP_NO_TLSv1_2
+		SSL_CTX_set_options(the_ssl_ctx, SSL_OP_NO_TLSv1_2);
+#endif
+#ifdef SSL_OP_NO_TLSv1_1
+		SSL_CTX_set_options(the_ssl_ctx, SSL_OP_NO_TLSv1_1);
+#endif
+	}
+	return the_ssl_ctx;
+}
+
+static int test_is_done;
+static int n_connected;
+static int got_close;
+static int got_error;
+static int got_timeout;
+static int renegotiate_at = -1;
+static int stop_when_connected;
+static int pending_connect_events;
+static struct event_base *exit_base;
+static X509 *the_cert;
+EVP_PKEY *the_key;
+
+void
+init_ssl(void)
+{
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
+	(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x20700000L)
+	SSL_library_init();
+	ERR_load_crypto_strings();
+	SSL_load_error_strings();
+	OpenSSL_add_all_algorithms();
+	if (SSLeay() != OPENSSL_VERSION_NUMBER) {
+		TT_DECLARE("WARN",
+			("Version mismatch for openssl: compiled with %lx but running with %lx",
+			(unsigned long)OPENSSL_VERSION_NUMBER, (unsigned long)SSLeay()));
+	}
+#endif
+}
+
+static void *
+ssl_test_setup(const struct testcase_t *testcase)
+{
+	init_ssl();
+
+	the_key = ssl_getkey();
+	EVUTIL_ASSERT(the_key);
+
+	the_cert = ssl_getcert(the_key);
+	EVUTIL_ASSERT(the_cert);
+
+	disable_tls_11_and_12 = 0;
+
+	return basic_test_setup(testcase);
+}
+static int
+ssl_test_cleanup(const struct testcase_t *testcase, void *ptr)
+{
+	int ret = basic_test_cleanup(testcase, ptr);
+	if (!ret) {
+		return ret;
+	}
+
+	test_is_done = 0;
+	n_connected = 0;
+	got_close = 0;
+	got_error = 0;
+	got_timeout = 0;
+	renegotiate_at = -1;
+	stop_when_connected = 0;
+	pending_connect_events = 0;
+	exit_base = NULL;
+
+	X509_free(the_cert);
+	EVP_PKEY_free(the_key);
+
+	SSL_CTX_free(the_ssl_ctx);
+	the_ssl_ctx = NULL;
+
+	return 1;
+}
+const struct testcase_setup_t ssl_setup = {
+	ssl_test_setup, ssl_test_cleanup
+};
+
+
+/* ====================
+   Here's a simple test: we read a number from the input, increment it, and
+   reply, until we get to 1001.
+*/
+
+enum regress_openssl_type
+{
+	REGRESS_OPENSSL_SOCKETPAIR = 1,
+	REGRESS_OPENSSL_FILTER = 2,
+	REGRESS_OPENSSL_RENEGOTIATE = 4,
+	REGRESS_OPENSSL_OPEN = 8,
+	REGRESS_OPENSSL_DIRTY_SHUTDOWN = 16,
+	REGRESS_OPENSSL_FD = 32,
+
+	REGRESS_OPENSSL_CLIENT = 64,
+	REGRESS_OPENSSL_SERVER = 128,
+
+	REGRESS_OPENSSL_FREED = 256,
+	REGRESS_OPENSSL_TIMEOUT = 512,
+	REGRESS_OPENSSL_SLEEP = 1024,
+
+	REGRESS_OPENSSL_CLIENT_WRITE = 2048,
+
+	REGRESS_DEFERRED_CALLBACKS = 4096,
+};
+
+static void
+bufferevent_openssl_check_fd(struct bufferevent *bev, int filter)
+{
+	tt_fd_op(bufferevent_getfd(bev), !=, EVUTIL_INVALID_SOCKET);
+	tt_fd_op(bufferevent_setfd(bev, EVUTIL_INVALID_SOCKET), ==, 0);
+	if (filter) {
+		tt_fd_op(bufferevent_getfd(bev), !=, EVUTIL_INVALID_SOCKET);
+	} else {
+		tt_fd_op(bufferevent_getfd(bev), ==, EVUTIL_INVALID_SOCKET);
+	}
+
+end:
+	;
+}
+static void
+bufferevent_openssl_check_freed(struct bufferevent *bev)
+{
+	tt_int_op(event_pending(&bev->ev_read, EVLIST_ALL, NULL), ==, 0);
+	tt_int_op(event_pending(&bev->ev_write, EVLIST_ALL, NULL), ==, 0);
+
+end:
+	;
+}
+
+static void
+free_on_cb(struct bufferevent *bev, void *ctx)
+{
+	TT_BLATHER(("free_on_cb: %p", bev));
+	bufferevent_free(bev);
+}
+
+static void
+respond_to_number(struct bufferevent *bev, void *ctx)
+{
+	struct evbuffer *b = bufferevent_get_input(bev);
+	char *line;
+	int n;
+
+	enum regress_openssl_type type;
+	type = (enum regress_openssl_type)ctx;
+
+	line = evbuffer_readln(b, NULL, EVBUFFER_EOL_LF);
+	if (! line)
+		return;
+	n = atoi(line);
+	if (n <= 0)
+		TT_FAIL(("Bad number: %s", line));
+	free(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 ((type & REGRESS_OPENSSL_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);
+}
+
+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);
+}
+
+static void
+eventcb(struct bufferevent *bev, short what, void *ctx)
+{
+	X509 *peer_cert = NULL;
+	enum regress_openssl_type type;
+
+	type = (enum regress_openssl_type)ctx;
+
+	TT_BLATHER(("Got event %d", (int)what));
+	if (what & BEV_EVENT_CONNECTED) {
+		SSL *ssl;
+		++n_connected;
+		ssl = bufferevent_openssl_get_ssl(bev);
+		tt_assert(ssl);
+		peer_cert = SSL_get_peer_certificate(ssl);
+		if (type & REGRESS_OPENSSL_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);
+		}
+
+		if ((type & REGRESS_OPENSSL_CLIENT_WRITE) && (type & REGRESS_OPENSSL_CLIENT))
+			evbuffer_add_printf(bufferevent_get_output(bev), "1\n");
+	} else if (what & BEV_EVENT_EOF) {
+		TT_BLATHER(("Got a good EOF"));
+		++got_close;
+		if (type & REGRESS_OPENSSL_FD) {
+			bufferevent_openssl_check_fd(bev, type & REGRESS_OPENSSL_FILTER);
+		}
+		if (type & REGRESS_OPENSSL_FREED) {
+			bufferevent_openssl_check_freed(bev);
+		}
+		bufferevent_free(bev);
+	} else if (what & BEV_EVENT_ERROR) {
+		TT_BLATHER(("Got an error."));
+		++got_error;
+		if (type & REGRESS_OPENSSL_FD) {
+			bufferevent_openssl_check_fd(bev, type & REGRESS_OPENSSL_FILTER);
+		}
+		if (type & REGRESS_OPENSSL_FREED) {
+			bufferevent_openssl_check_freed(bev);
+		}
+		bufferevent_free(bev);
+	} else if (what & BEV_EVENT_TIMEOUT) {
+		TT_BLATHER(("Got timeout."));
+		++got_timeout;
+		if (type & REGRESS_OPENSSL_FD) {
+			bufferevent_openssl_check_fd(bev, type & REGRESS_OPENSSL_FILTER);
+		}
+		if (type & REGRESS_OPENSSL_FREED) {
+			bufferevent_openssl_check_freed(bev);
+		}
+		bufferevent_free(bev);
+	}
+
+end:
+	if (peer_cert)
+		X509_free(peer_cert);
+}
+
+static void
+open_ssl_bufevs(struct bufferevent **bev1_out, struct bufferevent **bev2_out,
+    struct event_base *base, int is_open, int flags, SSL *ssl1, SSL *ssl2,
+    evutil_socket_t *fd_pair, struct bufferevent **underlying_pair,
+    enum regress_openssl_type type)
+{
+	int state1 = is_open ? BUFFEREVENT_SSL_OPEN :BUFFEREVENT_SSL_CONNECTING;
+	int state2 = is_open ? BUFFEREVENT_SSL_OPEN :BUFFEREVENT_SSL_ACCEPTING;
+	int dirty_shutdown = type & REGRESS_OPENSSL_DIRTY_SHUTDOWN;
+	if (fd_pair) {
+		*bev1_out = bufferevent_openssl_socket_new(
+			base, fd_pair[0], ssl1, state1, flags);
+		*bev2_out = bufferevent_openssl_socket_new(
+			base, fd_pair[1], ssl2, state2, flags);
+	} else {
+		*bev1_out = bufferevent_openssl_filter_new(
+			base, underlying_pair[0], ssl1, state1, flags);
+		*bev2_out = bufferevent_openssl_filter_new(
+			base, underlying_pair[1], ssl2, state2, flags);
+
+	}
+	bufferevent_setcb(*bev1_out, respond_to_number, done_writing_cb,
+	    eventcb, (void*)(REGRESS_OPENSSL_CLIENT | (long)type));
+	bufferevent_setcb(*bev2_out, respond_to_number, done_writing_cb,
+	    eventcb, (void*)(REGRESS_OPENSSL_SERVER | (long)type));
+
+	bufferevent_openssl_set_allow_dirty_shutdown(*bev1_out, dirty_shutdown);
+	bufferevent_openssl_set_allow_dirty_shutdown(*bev2_out, dirty_shutdown);
+}
+
+static void
+regress_bufferevent_openssl(void *arg)
+{
+	struct basic_test_data *data = arg;
+
+	struct bufferevent *bev1, *bev2;
+	SSL *ssl1, *ssl2;
+	int flags = BEV_OPT_DEFER_CALLBACKS;
+	struct bufferevent *bev_ll[2] = { NULL, NULL };
+	evutil_socket_t *fd_pair = NULL;
+
+	enum regress_openssl_type type;
+	type = (enum regress_openssl_type)data->setup_data;
+
+	if (type & REGRESS_OPENSSL_RENEGOTIATE) {
+		if (OPENSSL_VERSION_NUMBER >= 0x10001000 &&
+		    OPENSSL_VERSION_NUMBER <  0x1000104f) {
+			/* 1.0.1 up to 1.0.1c has a bug where TLS1.1 and 1.2
+			 * can't renegotiate with themselves. Disable. */
+			disable_tls_11_and_12 = 1;
+		}
+		renegotiate_at = 600;
+	}
+
+	ssl1 = SSL_new(get_ssl_ctx());
+	ssl2 = SSL_new(get_ssl_ctx());
+
+	SSL_use_certificate(ssl2, the_cert);
+	SSL_use_PrivateKey(ssl2, the_key);
+
+	if (!(type & REGRESS_OPENSSL_OPEN))
+		flags |= BEV_OPT_CLOSE_ON_FREE;
+
+	if (!(type & REGRESS_OPENSSL_FILTER)) {
+		tt_assert(type & REGRESS_OPENSSL_SOCKETPAIR);
+		fd_pair = data->pair;
+	} else {
+		bev_ll[0] = bufferevent_socket_new(data->base, data->pair[0],
+		    BEV_OPT_CLOSE_ON_FREE);
+		bev_ll[1] = bufferevent_socket_new(data->base, data->pair[1],
+		    BEV_OPT_CLOSE_ON_FREE);
+	}
+
+	open_ssl_bufevs(&bev1, &bev2, data->base, 0, flags, ssl1, ssl2,
+	    fd_pair, bev_ll, type);
+
+	if (!(type & REGRESS_OPENSSL_FILTER)) {
+		tt_fd_op(bufferevent_getfd(bev1), ==, data->pair[0]);
+	} else {
+		tt_ptr_op(bufferevent_get_underlying(bev1), ==, bev_ll[0]);
+	}
+
+	if (type & REGRESS_OPENSSL_OPEN) {
+		pending_connect_events = 2;
+		stop_when_connected = 1;
+		exit_base = data->base;
+		event_base_dispatch(data->base);
+		/* Okay, now the renegotiation is done.  Make new
+		 * bufferevents to test opening in BUFFEREVENT_SSL_OPEN */
+		flags |= BEV_OPT_CLOSE_ON_FREE;
+		bufferevent_free(bev1);
+		bufferevent_free(bev2);
+		bev1 = bev2 = NULL;
+		open_ssl_bufevs(&bev1, &bev2, data->base, 1, flags, ssl1, ssl2,
+		    fd_pair, bev_ll, type);
+	}
+
+	if (!(type & REGRESS_OPENSSL_TIMEOUT)) {
+		bufferevent_enable(bev1, EV_READ|EV_WRITE);
+		bufferevent_enable(bev2, EV_READ|EV_WRITE);
+
+		if (!(type & REGRESS_OPENSSL_CLIENT_WRITE))
+			evbuffer_add_printf(bufferevent_get_output(bev1), "1\n");
+
+		event_base_dispatch(data->base);
+
+		tt_assert(test_is_done == 1);
+		tt_assert(n_connected == 2);
+
+		/* We don't handle shutdown properly yet */
+		if (type & REGRESS_OPENSSL_DIRTY_SHUTDOWN) {
+			tt_int_op(got_close, ==, 1);
+			tt_int_op(got_error, ==, 0);
+		} else {
+			tt_int_op(got_error, ==, 1);
+		}
+		tt_int_op(got_timeout, ==, 0);
+	} else {
+		struct timeval t = { 2, 0 };
+
+		bufferevent_enable(bev1, EV_READ|EV_WRITE);
+		bufferevent_disable(bev2, EV_READ|EV_WRITE);
+
+		bufferevent_set_timeouts(bev1, &t, &t);
+
+		if (!(type & REGRESS_OPENSSL_CLIENT_WRITE))
+			evbuffer_add_printf(bufferevent_get_output(bev1), "1\n");
+
+		event_base_dispatch(data->base);
+
+		tt_assert(test_is_done == 0);
+		tt_assert(n_connected == 0);
+
+		tt_int_op(got_close, ==, 0);
+		tt_int_op(got_error, ==, 0);
+		tt_int_op(got_timeout, ==, 1);
+
+		bufferevent_free(bev2);
+	}
+
+end:
+	return;
+}
+
+static void
+acceptcb_deferred(evutil_socket_t fd, short events, void *arg)
+{
+	struct bufferevent *bev = arg;
+	bufferevent_enable(bev, EV_READ|EV_WRITE);
+}
+static void
+acceptcb(struct evconnlistener *listener, evutil_socket_t fd,
+    struct sockaddr *addr, int socklen, void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct bufferevent *bev;
+	enum regress_openssl_type type;
+	SSL *ssl = SSL_new(get_ssl_ctx());
+
+	type = (enum regress_openssl_type)data->setup_data;
+
+	SSL_use_certificate(ssl, the_cert);
+	SSL_use_PrivateKey(ssl, the_key);
+
+	bev = bufferevent_openssl_socket_new(
+		data->base, fd, ssl, BUFFEREVENT_SSL_ACCEPTING,
+		BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS);
+	tt_assert(bev);
+
+	bufferevent_setcb(bev, respond_to_number, NULL, eventcb,
+	    (void*)(REGRESS_OPENSSL_SERVER));
+
+	if (type & REGRESS_OPENSSL_SLEEP) {
+		struct timeval when = { 1, 0 };
+		event_base_once(data->base, -1, EV_TIMEOUT,
+		    acceptcb_deferred, bev, &when);
+		bufferevent_disable(bev, EV_READ|EV_WRITE);
+	} else {
+		bufferevent_enable(bev, EV_READ|EV_WRITE);
+	}
+
+	/* Only accept once, then disable ourself. */
+	evconnlistener_disable(listener);
+
+end:
+	;
+}
+
+struct rwcount
+{
+	evutil_socket_t fd;
+	size_t read;
+	size_t write;
+};
+static int
+bio_rwcount_new(BIO *b)
+{
+	BIO_set_init(b, 0);
+	BIO_set_data(b, NULL);
+	return 1;
+}
+static int
+bio_rwcount_free(BIO *b)
+{
+	TT_BLATHER(("bio_rwcount_free: %p", b));
+	if (!b)
+		return 0;
+	if (BIO_get_shutdown(b)) {
+		BIO_set_init(b, 0);
+		BIO_set_data(b, NULL);
+	}
+	return 1;
+}
+static int
+bio_rwcount_read(BIO *b, char *out, int outlen)
+{
+	struct rwcount *rw = BIO_get_data(b);
+	ev_ssize_t ret = recv(rw->fd, out, outlen, 0);
+	++rw->read;
+	if (ret == -1 && EVUTIL_ERR_RW_RETRIABLE(EVUTIL_SOCKET_ERROR())) {
+		BIO_set_retry_read(b);
+	}
+	return ret;
+}
+static int
+bio_rwcount_write(BIO *b, const char *in, int inlen)
+{
+	struct rwcount *rw = BIO_get_data(b);
+	ev_ssize_t ret = send(rw->fd, in, inlen, 0);
+	++rw->write;
+	if (ret == -1 && EVUTIL_ERR_RW_RETRIABLE(EVUTIL_SOCKET_ERROR())) {
+		BIO_set_retry_write(b);
+	}
+	return ret;
+}
+static long
+bio_rwcount_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+	struct rwcount *rw = BIO_get_data(b);
+	long ret = 0;
+	switch (cmd) {
+	case BIO_C_GET_FD:
+		ret = rw->fd;
+		break;
+	case BIO_CTRL_GET_CLOSE:
+		ret = BIO_get_shutdown(b);
+		break;
+	case BIO_CTRL_SET_CLOSE:
+		BIO_set_shutdown(b, (int)num);
+		break;
+	case BIO_CTRL_PENDING:
+		ret = 0;
+		break;
+	case BIO_CTRL_WPENDING:
+		ret = 0;
+		break;
+	case BIO_CTRL_DUP:
+	case BIO_CTRL_FLUSH:
+		ret = 1;
+		break;
+	}
+	return ret;
+}
+static int
+bio_rwcount_puts(BIO *b, const char *s)
+{
+	return bio_rwcount_write(b, s, strlen(s));
+}
+#define BIO_TYPE_LIBEVENT_RWCOUNT 0xff1
+static BIO_METHOD *methods_rwcount;
+
+static BIO_METHOD *
+BIO_s_rwcount(void)
+{
+	if (methods_rwcount == NULL) {
+		methods_rwcount = BIO_meth_new(BIO_TYPE_LIBEVENT_RWCOUNT, "rwcount");
+		if (methods_rwcount == NULL)
+			return NULL;
+		BIO_meth_set_write(methods_rwcount, bio_rwcount_write);
+		BIO_meth_set_read(methods_rwcount, bio_rwcount_read);
+		BIO_meth_set_puts(methods_rwcount, bio_rwcount_puts);
+		BIO_meth_set_ctrl(methods_rwcount, bio_rwcount_ctrl);
+		BIO_meth_set_create(methods_rwcount, bio_rwcount_new);
+		BIO_meth_set_destroy(methods_rwcount, bio_rwcount_free);
+	}
+	return methods_rwcount;
+}
+static BIO *
+BIO_new_rwcount(int close_flag)
+{
+	BIO *result;
+	if (!(result = BIO_new(BIO_s_rwcount())))
+		return NULL;
+	BIO_set_init(result, 1);
+	BIO_set_data(result,  NULL);
+	BIO_set_shutdown(result, !!close_flag);
+	return result;
+}
+
+static void
+regress_bufferevent_openssl_connect(void *arg)
+{
+	struct basic_test_data *data = arg;
+
+	struct event_base *base = data->base;
+
+	struct evconnlistener *listener;
+	struct bufferevent *bev;
+	struct sockaddr_in sin;
+	struct sockaddr_storage ss;
+	ev_socklen_t slen;
+	SSL *ssl;
+	struct rwcount rw = { -1, 0, 0 };
+	enum regress_openssl_type type;
+
+	type = (enum regress_openssl_type)data->setup_data;
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_addr.s_addr = htonl(0x7f000001);
+
+	memset(&ss, 0, sizeof(ss));
+	slen = sizeof(ss);
+
+	listener = evconnlistener_new_bind(base, acceptcb, data,
+	    LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE,
+	    -1, (struct sockaddr *)&sin, sizeof(sin));
+
+	tt_assert(listener);
+	tt_assert(evconnlistener_get_fd(listener) >= 0);
+
+	ssl = SSL_new(get_ssl_ctx());
+	tt_assert(ssl);
+
+	bev = bufferevent_openssl_socket_new(
+		data->base, -1, ssl,
+		BUFFEREVENT_SSL_CONNECTING,
+		BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS);
+	tt_assert(bev);
+
+	bufferevent_setcb(bev, respond_to_number, free_on_cb, eventcb,
+	    (void*)(REGRESS_OPENSSL_CLIENT));
+
+	tt_assert(getsockname(evconnlistener_get_fd(listener),
+		(struct sockaddr*)&ss, &slen) == 0);
+	tt_assert(slen == sizeof(struct sockaddr_in));
+	tt_int_op(((struct sockaddr*)&ss)->sa_family, ==, AF_INET);
+
+	tt_assert(0 ==
+	    bufferevent_socket_connect(bev, (struct sockaddr*)&ss, slen));
+	/* Possible only when we have fd, since be_openssl can and will overwrite
+	 * bio otherwise before */
+	if (type & REGRESS_OPENSSL_SLEEP) {
+		BIO *bio;
+
+		rw.fd = bufferevent_getfd(bev);
+		bio = BIO_new_rwcount(0);
+		tt_assert(bio);
+		BIO_set_data(bio, &rw);
+		SSL_set_bio(ssl, bio, bio);
+	}
+	evbuffer_add_printf(bufferevent_get_output(bev), "1\n");
+	bufferevent_enable(bev, EV_READ|EV_WRITE);
+
+	event_base_dispatch(base);
+
+	tt_int_op(rw.read, <=, 100);
+	tt_int_op(rw.write, <=, 100);
+end:
+	evconnlistener_free(listener);
+}
+
+struct wm_context
+{
+	int server;
+	int flags;
+	struct evbuffer *data;
+	size_t to_read;
+	size_t wm_high;
+	size_t limit;
+	size_t get;
+	struct bufferevent *bev;
+	struct wm_context *neighbour;
+};
+static void
+wm_transfer(struct bufferevent *bev, void *arg)
+{
+	struct wm_context *ctx = arg;
+	struct evbuffer *in  = bufferevent_get_input(bev);
+	struct evbuffer *out = bufferevent_get_output(bev);
+	size_t len = evbuffer_get_length(in);
+	size_t drain = len < ctx->to_read ? len : ctx->to_read;
+
+	if (ctx->get >= ctx->limit) {
+		TT_BLATHER(("wm_transfer-%s(%p): break",
+			ctx->server ? "server" : "client", bev));
+		bufferevent_setcb(bev, NULL, NULL, NULL, NULL);
+		bufferevent_disable(bev, EV_READ);
+		if (ctx->neighbour->get >= ctx->neighbour->limit) {
+			event_base_loopbreak(bufferevent_get_base(bev));
+		}
+	} else {
+		ctx->get += drain;
+		evbuffer_drain(in, drain);
+	}
+
+	TT_BLATHER(("wm_transfer-%s(%p): "
+		"in: " EV_SIZE_FMT ", "
+		"out: " EV_SIZE_FMT ", "
+		"got: " EV_SIZE_FMT "",
+		ctx->server ? "server" : "client", bev,
+		evbuffer_get_length(in),
+		evbuffer_get_length(out),
+		ctx->get));
+
+	evbuffer_add_buffer_reference(out, ctx->data);
+}
+static void
+wm_eventcb(struct bufferevent *bev, short what, void *arg)
+{
+	struct wm_context *ctx = arg;
+	TT_BLATHER(("wm_eventcb-%s(%p): %i",
+		ctx->server ? "server" : "client", bev, what));
+	if (what & BEV_EVENT_CONNECTED) {
+	} else {
+		ctx->get = 0;
+	}
+}
+static void
+wm_acceptcb(struct evconnlistener *listener, evutil_socket_t fd,
+    struct sockaddr *addr, int socklen, void *arg)
+{
+	struct wm_context *ctx = arg;
+	struct bufferevent *bev;
+	struct event_base *base = evconnlistener_get_base(listener);
+	SSL *ssl = SSL_new(get_ssl_ctx());
+
+	SSL_use_certificate(ssl, the_cert);
+	SSL_use_PrivateKey(ssl, the_key);
+
+	bev = bufferevent_openssl_socket_new(
+		base, fd, ssl, BUFFEREVENT_SSL_ACCEPTING, ctx->flags);
+
+	TT_BLATHER(("wm_transfer-%s(%p): accept",
+		ctx->server ? "server" : "client", bev));
+
+	bufferevent_setwatermark(bev, EV_READ, 0, ctx->wm_high);
+	bufferevent_setcb(bev, wm_transfer, NULL, wm_eventcb, ctx);
+	bufferevent_enable(bev, EV_READ|EV_WRITE);
+	ctx->bev = bev;
+
+	/* Only accept once, then disable ourself. */
+	evconnlistener_disable(listener);
+}
+static void
+regress_bufferevent_openssl_wm(void *arg)
+{
+	struct basic_test_data *data = arg;
+	struct event_base *base = data->base;
+
+	struct evconnlistener *listener;
+	struct bufferevent *bev;
+	struct sockaddr_in sin;
+	struct sockaddr_storage ss;
+	enum regress_openssl_type type =
+		(enum regress_openssl_type)data->setup_data;
+	int bev_flags = BEV_OPT_CLOSE_ON_FREE;
+	ev_socklen_t slen;
+	SSL *ssl;
+	struct wm_context client, server;
+	char *payload;
+	size_t payload_len = 1<<10;
+	size_t wm_high = 5<<10;
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_addr.s_addr = htonl(0x7f000001);
+
+	memset(&ss, 0, sizeof(ss));
+	slen = sizeof(ss);
+
+	if (type & REGRESS_DEFERRED_CALLBACKS)
+		bev_flags |= BEV_OPT_DEFER_CALLBACKS;
+
+	memset(&client, 0, sizeof(client));
+	memset(&server, 0, sizeof(server));
+	client.server = 0;
+	server.server = 1;
+	client.flags = server.flags = bev_flags;
+	client.data = evbuffer_new();
+	server.data = evbuffer_new();
+	payload = calloc(1, payload_len);
+	memset(payload, 'A', payload_len);
+	evbuffer_add(server.data, payload, payload_len);
+	evbuffer_add(client.data, payload, payload_len);
+	client.wm_high = server.wm_high = wm_high;
+	client.limit = server.limit = wm_high<<3;
+	client.to_read = server.to_read = payload_len>>1;
+
+	TT_BLATHER(("openssl_wm: "
+		"payload_len = " EV_SIZE_FMT ", "
+		"wm_high = " EV_SIZE_FMT ", "
+		"limit = " EV_SIZE_FMT ", "
+		"to_read: " EV_SIZE_FMT "",
+		payload_len,
+		wm_high,
+		server.limit,
+		server.to_read));
+
+	listener = evconnlistener_new_bind(base, wm_acceptcb, &server,
+	    LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE,
+	    -1, (struct sockaddr *)&sin, sizeof(sin));
+
+	tt_assert(listener);
+	tt_assert(evconnlistener_get_fd(listener) >= 0);
+
+	ssl = SSL_new(get_ssl_ctx());
+	tt_assert(ssl);
+
+	if (type & REGRESS_OPENSSL_FILTER) {
+		bev = bufferevent_socket_new(data->base, -1, client.flags);
+		tt_assert(bev);
+		bev = bufferevent_openssl_filter_new(
+			base, bev, ssl, BUFFEREVENT_SSL_CONNECTING, client.flags);
+	} else {
+		bev = bufferevent_openssl_socket_new(
+			data->base, -1, ssl,
+			BUFFEREVENT_SSL_CONNECTING,
+			client.flags);
+	}
+	tt_assert(bev);
+	client.bev = bev;
+
+	server.neighbour = &client;
+	client.neighbour = &server;
+
+	bufferevent_setwatermark(bev, EV_READ, 0, client.wm_high);
+	bufferevent_setcb(bev, wm_transfer, NULL, wm_eventcb, &client);
+
+	tt_assert(getsockname(evconnlistener_get_fd(listener),
+		(struct sockaddr*)&ss, &slen) == 0);
+
+	tt_assert(!bufferevent_socket_connect(bev, (struct sockaddr*)&ss, slen));
+	tt_assert(!evbuffer_add_buffer_reference(bufferevent_get_output(bev), client.data));
+	tt_assert(!bufferevent_enable(bev, EV_READ|EV_WRITE));
+
+	event_base_dispatch(base);
+
+	tt_int_op(client.get, ==, client.limit);
+	tt_int_op(server.get, ==, server.limit);
+
+end:
+	free(payload);
+	evbuffer_free(client.data);
+	evbuffer_free(server.data);
+	evconnlistener_free(listener);
+	bufferevent_free(client.bev);
+	bufferevent_free(server.bev);
+
+	/* XXX: by some reason otherise there is a leak */
+	if (!(type & REGRESS_OPENSSL_FILTER))
+		event_base_loop(base, EVLOOP_ONCE);
+}
+
+struct testcase_t ssl_testcases[] = {
+#define T(a) ((void *)(a))
+	{ "bufferevent_socketpair", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_SOCKETPAIR) },
+	{ "bufferevent_socketpair_write_after_connect", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR|REGRESS_OPENSSL_CLIENT_WRITE) },
+	{ "bufferevent_filter", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup, T(REGRESS_OPENSSL_FILTER) },
+	{ "bufferevent_filter_write_after_connect", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_FILTER|REGRESS_OPENSSL_CLIENT_WRITE) },
+	{ "bufferevent_renegotiate_socketpair", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_RENEGOTIATE) },
+	{ "bufferevent_renegotiate_filter", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_RENEGOTIATE) },
+	{ "bufferevent_socketpair_startopen", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_OPEN) },
+	{ "bufferevent_filter_startopen", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_OPEN) },
+
+	{ "bufferevent_socketpair_dirty_shutdown", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_DIRTY_SHUTDOWN) },
+	{ "bufferevent_filter_dirty_shutdown", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_DIRTY_SHUTDOWN) },
+	{ "bufferevent_renegotiate_socketpair_dirty_shutdown",
+	  regress_bufferevent_openssl,
+	  TT_ISOLATED,
+	  &ssl_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_RENEGOTIATE | REGRESS_OPENSSL_DIRTY_SHUTDOWN) },
+	{ "bufferevent_renegotiate_filter_dirty_shutdown",
+	  regress_bufferevent_openssl,
+	  TT_ISOLATED,
+	  &ssl_setup,
+	  T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_RENEGOTIATE | REGRESS_OPENSSL_DIRTY_SHUTDOWN) },
+	{ "bufferevent_socketpair_startopen_dirty_shutdown",
+	  regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_OPEN | REGRESS_OPENSSL_DIRTY_SHUTDOWN) },
+	{ "bufferevent_filter_startopen_dirty_shutdown",
+	  regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_OPEN | REGRESS_OPENSSL_DIRTY_SHUTDOWN) },
+
+	{ "bufferevent_socketpair_fd", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_FD) },
+	{ "bufferevent_socketpair_freed", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_FREED) },
+	{ "bufferevent_socketpair_freed_fd", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_FREED | REGRESS_OPENSSL_FD) },
+	{ "bufferevent_filter_freed_fd", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_FILTER | REGRESS_OPENSSL_FREED | REGRESS_OPENSSL_FD) },
+
+	{ "bufferevent_socketpair_timeout", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_TIMEOUT) },
+	{ "bufferevent_socketpair_timeout_freed_fd", regress_bufferevent_openssl,
+	  TT_ISOLATED, &ssl_setup,
+	  T(REGRESS_OPENSSL_SOCKETPAIR | REGRESS_OPENSSL_TIMEOUT | REGRESS_OPENSSL_FREED | REGRESS_OPENSSL_FD) },
+
+	{ "bufferevent_connect", regress_bufferevent_openssl_connect,
+	  TT_FORK|TT_NEED_BASE, &ssl_setup, NULL },
+	{ "bufferevent_connect_sleep", regress_bufferevent_openssl_connect,
+	  TT_FORK|TT_NEED_BASE, &ssl_setup, T(REGRESS_OPENSSL_SLEEP) },
+
+	{ "bufferevent_wm", regress_bufferevent_openssl_wm,
+	  TT_FORK|TT_NEED_BASE, &ssl_setup, NULL },
+	{ "bufferevent_wm_filter", regress_bufferevent_openssl_wm,
+	  TT_FORK|TT_NEED_BASE, &ssl_setup, T(REGRESS_OPENSSL_FILTER) },
+	{ "bufferevent_wm_defer", regress_bufferevent_openssl_wm,
+	  TT_FORK|TT_NEED_BASE, &ssl_setup, T(REGRESS_DEFERRED_CALLBACKS) },
+	{ "bufferevent_wm_filter_defer", regress_bufferevent_openssl_wm,
+	  TT_FORK|TT_NEED_BASE, &ssl_setup, T(REGRESS_OPENSSL_FILTER|REGRESS_DEFERRED_CALLBACKS) },
+
+#undef T
+
+	END_OF_TESTCASES,
+};