Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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/* 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).
*
*/
#include <string.h>
#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/evp.h>
#include <openssl/ssl.h>
#include <openssl/err.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
#define TOTAL_NUM_TESTS 2
/*
* Test that explicitly setting ticket data results in it appearing in the
* ClientHello for TLS1.2
*/
#define TEST_SET_SESSION_TICK_DATA_TLS_1_2 0
/*
* Test that explicitly setting ticket data results in it appearing in the
* ClientHello for a negotiated SSL/TLS version
*/
#define TEST_SET_SESSION_TICK_DATA_VER_NEG 1
int main(int argc, char *argv[])
{
SSL_CTX *ctx;
SSL *con;
BIO *rbio;
BIO *wbio;
BIO *err;
long len;
unsigned char *data;
unsigned char *dataend;
char *dummytick = "Hello World!";
unsigned int tmplen;
unsigned int type;
unsigned int size;
int testresult = 0;
int currtest = 0;
SSL_library_init();
SSL_load_error_strings();
err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
CRYPTO_malloc_debug_init();
CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
/*
* 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(SSLv23_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);
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;
}
if (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);
dataend = data + len;
/* 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)
goto end;
/* Skip ciphers */
tmplen = ((*data) << 8) | *(data + 1);
data += CIPHERS_LEN_LEN + tmplen;
if (data + COMPRESSION_LEN_LEN > dataend)
goto end;
/* Skip compression */
tmplen = *data;
data += COMPRESSION_LEN_LEN + tmplen;
if (data + EXTENSIONS_LEN_LEN > dataend)
goto end;
/* Extensions len */
tmplen = ((*data) << 8) | *(data + 1);
data += EXTENSIONS_LEN_LEN;
if (data + tmplen > dataend)
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 (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;
}
}
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;
}
}
ERR_free_strings();
ERR_remove_thread_state(NULL);
EVP_cleanup();
CRYPTO_cleanup_all_ex_data();
CRYPTO_mem_leaks(err);
return testresult?0:1;
}