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/* Written by Matt Caswell for the OpenSSL Project */
/* ====================================================================
* Copyright (c) 2016 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 <stdlib.h>
#include <openssl/bio.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#define TOTAL_NUM_TESTS 2
#define TEST_SSL_CTX 0
#define SSLV2ON 1
#define SSLV2OFF 0
SSL_CONF_CTX *confctx;
SSL_CTX *ctx;
SSL *ssl;
static int checksslv2(int test, int sslv2)
{
int options;
if (test == TEST_SSL_CTX) {
options = SSL_CTX_get_options(ctx);
} else {
options = SSL_get_options(ssl);
}
return ((options & SSL_OP_NO_SSLv2) == 0) ^ (sslv2 == SSLV2OFF);
}
int main(int argc, char *argv[])
{
BIO *err;
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);
confctx = SSL_CONF_CTX_new();
ctx = SSL_CTX_new(SSLv23_method());
ssl = SSL_new(ctx);
if (confctx == NULL || ctx == NULL)
goto end;
SSL_CONF_CTX_set_flags(confctx, SSL_CONF_FLAG_FILE
| SSL_CONF_FLAG_CLIENT
| SSL_CONF_FLAG_SERVER);
/*
* For each test set up an SSL_CTX and SSL and see whether SSLv2 is enabled
* as expected after various SSL_CONF_cmd("Protocol", ...) calls.
*/
for (currtest = 0; currtest < TOTAL_NUM_TESTS; currtest++) {
BIO_printf(err, "SSLv2 CONF Test number %d\n", currtest);
if (currtest == TEST_SSL_CTX)
SSL_CONF_CTX_set_ssl_ctx(confctx, ctx);
else
SSL_CONF_CTX_set_ssl(confctx, ssl);
/* SSLv2 should be off by default */
if (!checksslv2(currtest, SSLV2OFF)) {
BIO_printf(err, "SSLv2 CONF Test: Off by default test FAIL\n");
goto end;
}
if (SSL_CONF_cmd(confctx, "Protocol", "ALL") != 2
|| !SSL_CONF_CTX_finish(confctx)) {
BIO_printf(err, "SSLv2 CONF Test: SSL_CONF command FAIL\n");
goto end;
}
/* Should still be off even after ALL Protocols on */
if (!checksslv2(currtest, SSLV2OFF)) {
BIO_printf(err, "SSLv2 CONF Test: Off after config #1 FAIL\n");
goto end;
}
if (SSL_CONF_cmd(confctx, "Protocol", "SSLv2") != 2
|| !SSL_CONF_CTX_finish(confctx)) {
BIO_printf(err, "SSLv2 CONF Test: SSL_CONF command FAIL\n");
goto end;
}
/* Should still be off even if explicitly asked for */
if (!checksslv2(currtest, SSLV2OFF)) {
BIO_printf(err, "SSLv2 CONF Test: Off after config #2 FAIL\n");
goto end;
}
if (SSL_CONF_cmd(confctx, "Protocol", "-SSLv2") != 2
|| !SSL_CONF_CTX_finish(confctx)) {
BIO_printf(err, "SSLv2 CONF Test: SSL_CONF command FAIL\n");;
goto end;
}
if (!checksslv2(currtest, SSLV2OFF)) {
BIO_printf(err, "SSLv2 CONF Test: Off after config #3 FAIL\n");
goto end;
}
if (currtest == TEST_SSL_CTX)
SSL_CTX_clear_options(ctx, SSL_OP_NO_SSLv2);
else
SSL_clear_options(ssl, SSL_OP_NO_SSLv2);
if (!checksslv2(currtest, SSLV2ON)) {
BIO_printf(err, "SSLv2 CONF Test: On after clear FAIL\n");
goto end;
}
if (SSL_CONF_cmd(confctx, "Protocol", "ALL") != 2
|| !SSL_CONF_CTX_finish(confctx)) {
BIO_printf(err, "SSLv2 CONF Test: SSL_CONF command FAIL\n");
goto end;
}
/* Option has been cleared and config says have SSLv2 so should be on */
if (!checksslv2(currtest, SSLV2ON)) {
BIO_printf(err, "SSLv2 CONF Test: On after config #1 FAIL\n");
goto end;
}
if (SSL_CONF_cmd(confctx, "Protocol", "SSLv2") != 2
|| !SSL_CONF_CTX_finish(confctx)) {
BIO_printf(err, "SSLv2 CONF Test: SSL_CONF command FAIL\n");
goto end;
}
/* Option has been cleared and config says have SSLv2 so should be on */
if (!checksslv2(currtest, SSLV2ON)) {
BIO_printf(err, "SSLv2 CONF Test: On after config #2 FAIL\n");
goto end;
}
if (SSL_CONF_cmd(confctx, "Protocol", "-SSLv2") != 2
|| !SSL_CONF_CTX_finish(confctx)) {
BIO_printf(err, "SSLv2 CONF Test: SSL_CONF command FAIL\n");
goto end;
}
/* Option has been cleared but config says no SSLv2 so should be off */
if (!checksslv2(currtest, SSLV2OFF)) {
BIO_printf(err, "SSLv2 CONF Test: Off after config #4 FAIL\n");
goto end;
}
}
testresult = 1;
end:
SSL_free(ssl);
SSL_CTX_free(ctx);
SSL_CONF_CTX_free(confctx);
if (!testresult) {
printf("SSLv2 CONF test: FAILED (Test %d)\n", currtest);
ERR_print_errors(err);
} else {
printf("SSLv2 CONF test: PASSED\n");
}
ERR_free_strings();
ERR_remove_thread_state(NULL);
EVP_cleanup();
CRYPTO_cleanup_all_ex_data();
CRYPTO_mem_leaks(err);
BIO_free(err);
return testresult ? EXIT_SUCCESS : EXIT_FAILURE;
}
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