-/* Written by Matt Caswell for the OpenSSL Project */
-/* ====================================================================
- * Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved.
- *
- * 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. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS CONTRIBUTORS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * Copyright 2015-2017 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <string.h>
+#include <openssl/opensslconf.h>
#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/evp.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
+#include <time.h>
+#include "../ssl/packet_locl.h"
-#define CLIENT_VERSION_LEN 2
-#define SESSION_ID_LEN_LEN 1
-#define CIPHERS_LEN_LEN 2
-#define COMPRESSION_LEN_LEN 1
-#define EXTENSIONS_LEN_LEN 2
-#define EXTENSION_TYPE_LEN 2
-#define EXTENSION_SIZE_LEN 2
+#include "testutil.h"
+#define CLIENT_VERSION_LEN 2
-#define TOTAL_NUM_TESTS 2
+#define TOTAL_NUM_TESTS 4
/*
* Test that explicitly setting ticket data results in it appearing in the
- * ClientHello for TLS1.2
+ * ClientHello for a negotiated SSL/TLS version
*/
-#define TEST_SET_SESSION_TICK_DATA_TLS_1_2 0
-
+#define TEST_SET_SESSION_TICK_DATA_VER_NEG 0
+/* Enable padding and make sure ClientHello is long enough to require it */
+#define TEST_ADD_PADDING 1
+/* Enable padding and make sure ClientHello is short enough to not need it */
+#define TEST_PADDING_NOT_NEEDED 2
/*
- * Test that explicitly setting ticket data results in it appearing in the
- * ClientHello for a negotiated SSL/TLS version
+ * Enable padding and add a PSK to the ClientHello (this will also ensure the
+ * ClientHello is long enough to need padding)
*/
-#define TEST_SET_SESSION_TICK_DATA_VER_NEG 1
+#define TEST_ADD_PADDING_AND_PSK 3
+
+#define F5_WORKAROUND_MIN_MSG_LEN 0x7f
+#define F5_WORKAROUND_MAX_MSG_LEN 0x200
+
+static const char *sessionfile = NULL;
+/* Dummy ALPN protocols used to pad out the size of the ClientHello */
+static const char alpn_prots[] =
+ "0123456789012345678901234567890123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789012345678901234567890123456789"
+ "01234567890123456789";
-int main(int argc, char *argv[])
+static int test_client_hello(int currtest)
{
SSL_CTX *ctx;
- SSL *con;
+ SSL *con = NULL;
BIO *rbio;
BIO *wbio;
- BIO *err;
long len;
unsigned char *data;
- unsigned char *dataend;
+ PACKET pkt = {0}, pkt2 = {0}, pkt3 = {0};
char *dummytick = "Hello World!";
- unsigned int tmplen;
- unsigned int type;
- unsigned int size;
+ unsigned int type = 0;
int testresult = 0;
- int currtest = 0;
+ size_t msglen;
+ BIO *sessbio = NULL;
+ SSL_SESSION *sess = NULL;
- SSL_library_init();
- SSL_load_error_strings();
-
- err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
-
- CRYPTO_set_mem_debug(1);
- CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+#ifdef OPENSSL_NO_TLS1_3
+ if (currtest == TEST_ADD_PADDING_AND_PSK)
+ return 1;
+#endif
/*
* For each test set up an SSL_CTX and SSL and see what ClientHello gets
* produced when we try to connect
*/
- for (; currtest < TOTAL_NUM_TESTS; currtest++) {
- testresult = 0;
- if (currtest == TEST_SET_SESSION_TICK_DATA_TLS_1_2) {
- ctx = SSL_CTX_new(TLSv1_2_method());
- } else {
- ctx = SSL_CTX_new(TLS_method());
- }
- con = SSL_new(ctx);
-
- rbio = BIO_new(BIO_s_mem());
- wbio = BIO_new(BIO_s_mem());
- SSL_set_bio(con, rbio, wbio);
- SSL_set_connect_state(con);
+ ctx = SSL_CTX_new(TLS_method());
+ if (!TEST_ptr(ctx))
+ goto end;
+
+ switch(currtest) {
+ case TEST_SET_SESSION_TICK_DATA_VER_NEG:
+ /* Testing for session tickets <= TLS1.2; not relevant for 1.3 */
+ if (!TEST_true(SSL_CTX_set_max_proto_version(ctx, TLS1_2_VERSION)))
+ goto end;
+ break;
+
+ case TEST_ADD_PADDING_AND_PSK:
+ case TEST_ADD_PADDING:
+ case TEST_PADDING_NOT_NEEDED:
+ SSL_CTX_set_options(ctx, SSL_OP_TLSEXT_PADDING);
+ /*
+ * Add some dummy ALPN protocols so that the ClientHello is at least
+ * F5_WORKAROUND_MIN_MSG_LEN bytes long - meaning padding will be
+ * needed.
+ */
+ if (currtest == TEST_ADD_PADDING
+ && (!TEST_false(SSL_CTX_set_alpn_protos(ctx,
+ (unsigned char *)alpn_prots,
+ sizeof(alpn_prots) - 1))))
+ goto end;
- if (currtest == TEST_SET_SESSION_TICK_DATA_TLS_1_2
- || currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {
- if (!SSL_set_session_ticket_ext(con, dummytick, strlen(dummytick)))
- goto end;
- }
+ break;
- if (SSL_connect(con) > 0) {
- /* This shouldn't succeed because we don't have a server! */
- goto end;
- }
+ default:
+ goto end;
+ }
- len = BIO_get_mem_data(wbio, (char **)&data);
- dataend = data + len;
+ con = SSL_new(ctx);
+ if (!TEST_ptr(con))
+ goto end;
- /* Skip the record header */
- data += SSL3_RT_HEADER_LENGTH;
- /* Skip the handshake message header */
- data += SSL3_HM_HEADER_LENGTH;
- /* Skip client version and random */
- data += CLIENT_VERSION_LEN + SSL3_RANDOM_SIZE;
- if (data + SESSION_ID_LEN_LEN > dataend)
- goto end;
- /* Skip session id */
- tmplen = *data;
- data += SESSION_ID_LEN_LEN + tmplen;
- if (data + CIPHERS_LEN_LEN > dataend)
+ if (currtest == TEST_ADD_PADDING_AND_PSK) {
+ sessbio = BIO_new_file(sessionfile, "r");
+ if (!TEST_ptr(sessbio)) {
+ TEST_info("Unable to open session.pem");
goto end;
- /* Skip ciphers */
- tmplen = ((*data) << 8) | *(data + 1);
- data += CIPHERS_LEN_LEN + tmplen;
- if (data + COMPRESSION_LEN_LEN > dataend)
+ }
+ sess = PEM_read_bio_SSL_SESSION(sessbio, NULL, NULL, NULL);
+ if (!TEST_ptr(sess)) {
+ TEST_info("Unable to load SSL_SESSION");
goto end;
- /* Skip compression */
- tmplen = *data;
- data += COMPRESSION_LEN_LEN + tmplen;
- if (data + EXTENSIONS_LEN_LEN > dataend)
+ }
+ /*
+ * We reset the creation time so that we don't discard the session as
+ * too old.
+ */
+ if (!TEST_true(SSL_SESSION_set_time(sess, (long)time(NULL)))
+ || !TEST_true(SSL_set_session(con, sess)))
goto end;
- /* Extensions len */
- tmplen = ((*data) << 8) | *(data + 1);
- data += EXTENSIONS_LEN_LEN;
- if (data + tmplen > dataend)
+ }
+
+ rbio = BIO_new(BIO_s_mem());
+ wbio = BIO_new(BIO_s_mem());
+ if (!TEST_ptr(rbio)|| !TEST_ptr(wbio)) {
+ BIO_free(rbio);
+ BIO_free(wbio);
+ goto end;
+ }
+
+ SSL_set_bio(con, rbio, wbio);
+ SSL_set_connect_state(con);
+
+ if (currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {
+ if (!TEST_true(SSL_set_session_ticket_ext(con, dummytick,
+ strlen(dummytick))))
goto end;
+ }
- /* Loop through all extensions */
- while (tmplen > EXTENSION_TYPE_LEN + EXTENSION_SIZE_LEN) {
- type = ((*data) << 8) | *(data + 1);
- data += EXTENSION_TYPE_LEN;
- size = ((*data) << 8) | *(data + 1);
- data += EXTENSION_SIZE_LEN;
- if (data + size > dataend)
- goto end;
+ if (!TEST_int_le(SSL_connect(con), 0)) {
+ /* This shouldn't succeed because we don't have a server! */
+ goto end;
+ }
+
+ len = BIO_get_mem_data(wbio, (char **)&data);
+ if (!TEST_true(PACKET_buf_init(&pkt, data, len))
+ /* Skip the record header */
+ || !PACKET_forward(&pkt, SSL3_RT_HEADER_LENGTH))
+ goto end;
+
+ msglen = PACKET_remaining(&pkt);
+
+ /* Skip the handshake message header */
+ if (!TEST_true(PACKET_forward(&pkt, SSL3_HM_HEADER_LENGTH))
+ /* Skip client version and random */
+ || !TEST_true(PACKET_forward(&pkt, CLIENT_VERSION_LEN
+ + SSL3_RANDOM_SIZE))
+ /* Skip session id */
+ || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2))
+ /* Skip ciphers */
+ || !TEST_true(PACKET_get_length_prefixed_2(&pkt, &pkt2))
+ /* Skip compression */
+ || !TEST_true(PACKET_get_length_prefixed_1(&pkt, &pkt2))
+ /* Extensions len */
+ || !TEST_true(PACKET_as_length_prefixed_2(&pkt, &pkt2)))
+ goto end;
+
+ /* Loop through all extensions */
+ while (PACKET_remaining(&pkt2)) {
+
+ if (!TEST_true(PACKET_get_net_2(&pkt2, &type))
+ || !TEST_true(PACKET_get_length_prefixed_2(&pkt2, &pkt3)))
+ goto end;
- if (type == TLSEXT_TYPE_session_ticket) {
- if (currtest == TEST_SET_SESSION_TICK_DATA_TLS_1_2
- || currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {
- if (size == strlen(dummytick)
- && memcmp(data, dummytick, size) == 0) {
- /* Ticket data is as we expected */
- testresult = 1;
- } else {
- printf("Received session ticket is not as expected\n");
- }
- break;
+ if (type == TLSEXT_TYPE_session_ticket) {
+ if (currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {
+ if (TEST_true(PACKET_equal(&pkt3, dummytick,
+ strlen(dummytick)))) {
+ /* Ticket data is as we expected */
+ testresult = 1;
}
+ goto end;
}
-
- tmplen -= EXTENSION_TYPE_LEN + EXTENSION_SIZE_LEN + size;
- data += size;
}
-
- end:
- SSL_free(con);
- SSL_CTX_free(ctx);
- if (!testresult) {
- printf("ClientHello test: FAILED (Test %d)\n", currtest);
- break;
+ if (type == TLSEXT_TYPE_padding) {
+ if (!TEST_false(currtest == TEST_PADDING_NOT_NEEDED))
+ goto end;
+ else if (TEST_true(currtest == TEST_ADD_PADDING
+ || currtest == TEST_ADD_PADDING_AND_PSK))
+ testresult = TEST_true(msglen == F5_WORKAROUND_MAX_MSG_LEN);
}
}
- ERR_free_strings();
- ERR_remove_thread_state(NULL);
- EVP_cleanup();
- CRYPTO_cleanup_all_ex_data();
-#ifdef CRYPTO_MDEBUG
- CRYPTO_mem_leaks(err);
-#endif
- BIO_free(err);
+ if (currtest == TEST_PADDING_NOT_NEEDED)
+ testresult = 1;
+
+end:
+ SSL_free(con);
+ SSL_CTX_free(ctx);
+ SSL_SESSION_free(sess);
+ BIO_free(sessbio);
+
+ return testresult;
+}
+
+int setup_tests(void)
+{
+ if (!TEST_ptr(sessionfile = test_get_argument(0)))
+ return 0;
- return testresult?0:1;
+ ADD_ALL_TESTS(test_client_hello, TOTAL_NUM_TESTS);
+ return 1;
}
projects / openssl.git / blobdiff