The Tor Browser: ipc/chromium/src/third_party/libevent/test/regress

ipc/chromium/src/third_party/libevent/test/regress_ssl.c@6474c204b198 (annotated)

ipc/chromium/src/third_party/libevent/test/regress_ssl.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  * 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.
  */
 #ifdef WIN32
 #include <winsock2.h>
 #include <windows.h>
 #endif
 #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/buffer.h"
 #include "event2/listener.h"
 #include "regress.h"
 #include "tinytest.h"
 #include "tinytest_macros.h"
 #include <openssl/ssl.h>
 #include <openssl/bio.h>
 #include <openssl/err.h>
 #include <openssl/pem.h>
 #include <string.h>
 /* A short pre-generated key, to save the cost of doing an RSA key generation
  * step during the unit tests.  It's only 512 bits long, and 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"
     "MIIBOgIBAAJBAKibTEzXjj+sqpipePX1lEk5BNFuL/dDBbw8QCXgaJWikOiKHeJq\n"
     "3FQ0OmCnmpkdsPFE4x3ojYmmdgE2i0dJwq0CAwEAAQJAZ08gpUS+qE1IClps/2gG\n"
     "AAer6Bc31K2AaiIQvCSQcH440cp062QtWMC3V5sEoWmdLsbAHFH26/9ZHn5zAflp\n"
     "gQIhANWOx/UYeR8HD0WREU5kcuSzgzNLwUErHLzxP7U6aojpAiEAyh2H35CjN/P7\n"
     "NhcZ4QYw3PeUWpqgJnaE/4i80BSYkSUCIQDLHFhLYLJZ80HwHTADif/ISn9/Ow6b\n"
     "p6BWh3DbMar/eQIgBPS6azH5vpp983KXkNv9AL4VZi9ac/b+BeINdzC6GP0CIDmB\n"
     "U6GFEQTZ3IfuiVabG5pummdC4DNbcdI+WKrSFNmQ\n"
     "-----END RSA PRIVATE KEY-----\n";
 static EVP_PKEY *
 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;
 }
 static X509 *
 getcert(void)
 {
 	/* 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;
 	EVP_PKEY *key = getkey();
 	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_time_adj(X509_get_notBefore(x509), 0, &now);
 	now += 3600;
 	X509_time_adj(X509_get_notAfter(x509), 0, &now);
 	X509_set_pubkey(x509, key);
 	tt_assert(0 != X509_sign(x509, key, EVP_sha1()));
 	return x509;
 end:
 	X509_free(x509);
 	return NULL;
 }
 static int disable_tls_11_and_12 = 0;
 static SSL_CTX *the_ssl_ctx = NULL;
 static 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 void
 init_ssl(void)
 {
 	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()));
 	}
 }
 /* ====================
    Here's a simple test: we read a number from the input, increment it, and
    reply, until we get to 1001.
 */
 static int test_is_done = 0;
 static int n_connected = 0;
 static int got_close = 0;
 static int got_error = 0;
 static int renegotiate_at = -1;
 static int stop_when_connected = 0;
 static int pending_connect_events = 0;
 static struct event_base *exit_base = NULL;
 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);
 }
 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)
 {
 	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:
 	;
 }
 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)
 {
 	int state1 = is_open ? BUFFEREVENT_SSL_OPEN :BUFFEREVENT_SSL_CONNECTING;
 	int state2 = is_open ? BUFFEREVENT_SSL_OPEN :BUFFEREVENT_SSL_ACCEPTING;
 	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*)"client");
 	bufferevent_setcb(*bev2_out, respond_to_number, done_writing_cb,
 	    eventcb, (void*)"server");
 }
 static void
 regress_bufferevent_openssl(void *arg)
 {
 	struct basic_test_data *data = arg;
 	struct bufferevent *bev1, *bev2;
 	SSL *ssl1, *ssl2;
 	X509 *cert = getcert();
 	EVP_PKEY *key = getkey();
 	const int start_open = strstr((char*)data->setup_data, "open")!=NULL;
 	const int filter = strstr((char*)data->setup_data, "filter")!=NULL;
 	int flags = BEV_OPT_DEFER_CALLBACKS;
 	struct bufferevent *bev_ll[2] = { NULL, NULL };
 	evutil_socket_t *fd_pair = NULL;
 	tt_assert(cert);
 	tt_assert(key);
 	init_ssl();
 	if (strstr((char*)data->setup_data, "renegotiate")) {
 		if (SSLeay() >= 0x10001000 &&
 		    SSLeay() <  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, cert);
 	SSL_use_PrivateKey(ssl2, key);
 	if (! start_open)
 		flags |= BEV_OPT_CLOSE_ON_FREE;
 	if (!filter) {
 		tt_assert(strstr((char*)data->setup_data, "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);
 	if (!filter) {
 		tt_int_op(bufferevent_getfd(bev1), ==, data->pair[0]);
 	} else {
 		tt_ptr_op(bufferevent_get_underlying(bev1), ==, bev_ll[0]);
 	}
 	if (start_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);
 	}
 	bufferevent_enable(bev1, EV_READ|EV_WRITE);
 	bufferevent_enable(bev2, EV_READ|EV_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.
 	   tt_int_op(got_close, ==, 1);
 	   tt_int_op(got_error, ==, 0);
 	*/
 end:
 	return;
 }
 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;
 	SSL *ssl = SSL_new(get_ssl_ctx());
 	SSL_use_certificate(ssl, getcert());
 	SSL_use_PrivateKey(ssl, getkey());
 	bev = bufferevent_openssl_socket_new(
 		data->base,
 		fd,
 		ssl,
 		BUFFEREVENT_SSL_ACCEPTING,
 		BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS);
 	bufferevent_setcb(bev, respond_to_number, NULL, eventcb,
 	    (void*)"server");
 	bufferevent_enable(bev, EV_READ|EV_WRITE);
 	/* Only accept once, then disable ourself. */
 	evconnlistener_disable(listener);
 }
 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;
 	init_ssl();
 	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);
 	bev = bufferevent_openssl_socket_new(
 		data->base, -1, SSL_new(get_ssl_ctx()),
 		BUFFEREVENT_SSL_CONNECTING,
 		BEV_OPT_CLOSE_ON_FREE|BEV_OPT_DEFER_CALLBACKS);
 	tt_assert(bev);
 	bufferevent_setcb(bev, respond_to_number, NULL, eventcb,
 	    (void*)"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_int_op(((struct sockaddr*)&ss)->sa_family, ==, AF_INET);
 	tt_assert(0 ==
 	    bufferevent_socket_connect(bev, (struct sockaddr*)&ss, slen));
 	evbuffer_add_printf(bufferevent_get_output(bev), "1\n");
 	bufferevent_enable(bev, EV_READ|EV_WRITE);
 	event_base_dispatch(base);
 end:
 	;
 }
 struct testcase_t ssl_testcases[] = {
 	{ "bufferevent_socketpair", regress_bufferevent_openssl, TT_ISOLATED,
 	  &basic_setup, (void*)"socketpair" },
 	{ "bufferevent_filter", regress_bufferevent_openssl,
 	  TT_ISOLATED,
 	  &basic_setup, (void*)"filter" },
 	{ "bufferevent_renegotiate_socketpair", regress_bufferevent_openssl,
 	  TT_ISOLATED,
 	  &basic_setup, (void*)"socketpair renegotiate" },
 	{ "bufferevent_renegotiate_filter", regress_bufferevent_openssl,
 	  TT_ISOLATED,
 	  &basic_setup, (void*)"filter renegotiate" },
 	{ "bufferevent_socketpair_startopen", regress_bufferevent_openssl,
 	  TT_ISOLATED, &basic_setup, (void*)"socketpair open" },
 	{ "bufferevent_filter_startopen", regress_bufferevent_openssl,
 	  TT_ISOLATED, &basic_setup, (void*)"filter open" },
 	{ "bufferevent_connect", regress_bufferevent_openssl_connect,
 	  TT_FORK|TT_NEED_BASE, &basic_setup, NULL },
 	END_OF_TESTCASES,
 };

The Tor Browser / annotate

ipc/chromium/src/third_party/libevent/test/regress_ssl.c@6474c204b198 (annotated)

ipc/chromium/src/third_party/libevent/test/regress_ssl.c