Add test for SSL_set_session_ticket_ext
The function SSL_set_session_ticket_ext sets the ticket data to be sent in the ClientHello. This is useful for EAP-FAST. This commit adds a test to ensure that when this function is called the expected ticket data actually appears in the ClientHello. Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
This commit is contained in:
Matt Caswell
218
ssl/clienthellotest.c
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218
ssl/clienthellotest.c
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/* Written by Matt Caswell for the OpenSSL Project */
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/* ====================================================================
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* Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <string.h>
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#include <openssl/bio.h>
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#include <openssl/crypto.h>
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#include <openssl/evp.h>
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#include <openssl/ssl.h>
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#include <openssl/err.h>
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#define CLIENT_VERSION_LEN 2
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#define SESSION_ID_LEN_LEN 1
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#define CIPHERS_LEN_LEN 2
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#define COMPRESSION_LEN_LEN 1
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#define EXTENSIONS_LEN_LEN 2
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#define EXTENSION_TYPE_LEN 2
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#define EXTENSION_SIZE_LEN 2
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#define TOTAL_NUM_TESTS 2
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/*
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* Test that explicitly setting ticket data results in it appearing in the
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* ClientHello for TLS1.2
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*/
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#define TEST_SET_SESSION_TICK_DATA_TLS_1_2 0
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/*
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* Test that explicitly setting ticket data results in it appearing in the
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* ClientHello for a negotiated SSL/TLS version
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*/
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#define TEST_SET_SESSION_TICK_DATA_VER_NEG 1
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int main(int argc, char *argv[])
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{
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SSL_CTX *ctx;
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SSL *con;
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BIO *rbio;
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BIO *wbio;
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BIO *err;
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long len;
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unsigned char *data;
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unsigned char *dataend;
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char *dummytick = "Hello World!";
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unsigned int tmplen;
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unsigned int type;
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unsigned int size;
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int testresult = 0;
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int currtest = 0;
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SSL_library_init();
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SSL_load_error_strings();
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err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
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CRYPTO_malloc_debug_init();
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CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
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CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
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/*
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* For each test set up an SSL_CTX and SSL and see what ClientHello gets
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* produced when we try to connect
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*/
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for (; currtest < TOTAL_NUM_TESTS; currtest++) {
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testresult = 0;
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if (currtest == TEST_SET_SESSION_TICK_DATA_TLS_1_2) {
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ctx = SSL_CTX_new(TLSv1_2_method());
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} else {
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ctx = SSL_CTX_new(SSLv23_method());
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}
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con = SSL_new(ctx);
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rbio = BIO_new(BIO_s_mem());
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wbio = BIO_new(BIO_s_mem());
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SSL_set_bio(con, rbio, wbio);
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SSL_set_connect_state(con);
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if (currtest == TEST_SET_SESSION_TICK_DATA_TLS_1_2
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|| currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {
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if (!SSL_set_session_ticket_ext(con, dummytick, strlen(dummytick)))
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goto end;
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}
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if (SSL_connect(con) > 0) {
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/* This shouldn't succeed because we don't have a server! */
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goto end;
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}
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len = BIO_get_mem_data(wbio, (char **)&data);
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dataend = data + len;
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/* Skip the record header */
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data += SSL3_RT_HEADER_LENGTH;
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/* Skip the handshake message header */
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data += SSL3_HM_HEADER_LENGTH;
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/* Skip client version and random */
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data += CLIENT_VERSION_LEN + SSL3_RANDOM_SIZE;
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if (data + SESSION_ID_LEN_LEN > dataend)
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goto end;
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/* Skip session id */
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tmplen = *data;
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data += SESSION_ID_LEN_LEN + tmplen;
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if (data + CIPHERS_LEN_LEN > dataend)
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goto end;
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/* Skip ciphers */
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tmplen = ((*data) << 8) | *(data + 1);
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data += CIPHERS_LEN_LEN + tmplen;
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if (data + COMPRESSION_LEN_LEN > dataend)
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goto end;
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/* Skip compression */
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tmplen = *data;
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data += COMPRESSION_LEN_LEN + tmplen;
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if (data + EXTENSIONS_LEN_LEN > dataend)
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goto end;
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/* Extensions len */
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tmplen = ((*data) << 8) | *(data + 1);
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data += EXTENSIONS_LEN_LEN;
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if (data + tmplen > dataend)
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goto end;
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/* Loop through all extensions */
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while (tmplen > EXTENSION_TYPE_LEN + EXTENSION_SIZE_LEN) {
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type = ((*data) << 8) | *(data + 1);
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data += EXTENSION_TYPE_LEN;
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size = ((*data) << 8) | *(data + 1);
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data += EXTENSION_SIZE_LEN;
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if (data + size > dataend)
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goto end;
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if (type == TLSEXT_TYPE_session_ticket) {
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if (currtest == TEST_SET_SESSION_TICK_DATA_TLS_1_2
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|| currtest == TEST_SET_SESSION_TICK_DATA_VER_NEG) {
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if (size == strlen(dummytick)
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&& memcmp(data, dummytick, size) == 0) {
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/* Ticket data is as we expected */
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testresult = 1;
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} else {
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printf("Received session ticket is not as expected\n");
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}
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break;
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}
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}
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tmplen -= EXTENSION_TYPE_LEN + EXTENSION_SIZE_LEN + size;
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data += size;
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}
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end:
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SSL_free(con);
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SSL_CTX_free(ctx);
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if (!testresult) {
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printf("ClientHello test: FAILED (Test %d)\n", currtest);
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break;
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}
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}
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ERR_free_strings();
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ERR_remove_thread_state(NULL);
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EVP_cleanup();
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CRYPTO_cleanup_all_ex_data();
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CRYPTO_mem_leaks(err);
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return testresult?0:1;
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}
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