openssl/test/fatalerrtest.c
Matt Caswell f865b08143 Split configuration of TLSv1.3 ciphers from older ciphers
With the current mechanism, old cipher strings that used to work in 1.1.0,
may inadvertently disable all TLSv1.3 ciphersuites causing connections to
fail. This is confusing for users.

In reality TLSv1.3 are quite different to older ciphers. They are much
simpler and there are only a small number of them so, arguably, they don't
need the same level of control that the older ciphers have.

This change splits the configuration of TLSv1.3 ciphers from older ones.
By default the TLSv1.3 ciphers are on, so you cannot inadvertently disable
them through your existing config.

Fixes #5359

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5392)
2018-03-14 10:15:50 +00:00

93 lines
2.7 KiB
C

/*
* Copyright 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 <openssl/ssl.h>
#include <openssl/err.h>
#include "ssltestlib.h"
#include "testutil.h"
#include <string.h>
static char *cert = NULL;
static char *privkey = NULL;
static int test_fatalerr(void)
{
SSL_CTX *sctx = NULL, *cctx = NULL;
SSL *sssl = NULL, *cssl = NULL;
const char *msg = "Dummy";
BIO *wbio = NULL;
int ret = 0, len;
char buf[80];
unsigned char dummyrec[] = {
0x17, 0x03, 0x03, 0x00, 0x05, 'D', 'u', 'm', 'm', 'y'
};
if (!TEST_true(create_ssl_ctx_pair(TLS_method(), TLS_method(), &sctx, &cctx,
cert, privkey)))
goto err;
/*
* Deliberately set the cipher lists for client and server to be different
* to force a handshake failure.
*/
if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "AES128-SHA"))
|| !TEST_true(SSL_CTX_set_cipher_list(cctx, "AES256-SHA"))
|| !TEST_true(SSL_CTX_set_ciphersuites(sctx,
"TLS_AES_128_GCM_SHA256"))
|| !TEST_true(SSL_CTX_set_ciphersuites(cctx,
"TLS_AES_256_GCM_SHA384"))
|| !TEST_true(create_ssl_objects(sctx, cctx, &sssl, &cssl, NULL,
NULL)))
goto err;
wbio = SSL_get_wbio(cssl);
if (!TEST_ptr(wbio)) {
printf("Unexpected NULL bio received\n");
goto err;
}
/* Connection should fail */
if (!TEST_false(create_ssl_connection(sssl, cssl, SSL_ERROR_NONE)))
goto err;
ERR_clear_error();
/* Inject a plaintext record from client to server */
if (!TEST_int_gt(BIO_write(wbio, dummyrec, sizeof(dummyrec)), 0))
goto err;
/* SSL_read()/SSL_write should fail because of a previous fatal error */
if (!TEST_int_le(len = SSL_read(sssl, buf, sizeof(buf) - 1), 0)) {
buf[len] = '\0';
TEST_error("Unexpected success reading data: %s\n", buf);
goto err;
}
if (!TEST_int_le(SSL_write(sssl, msg, strlen(msg)), 0))
goto err;
ret = 1;
err:
SSL_free(sssl);
SSL_free(cssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return ret;
}
int setup_tests(void)
{
if (!TEST_ptr(cert = test_get_argument(0))
|| !TEST_ptr(privkey = test_get_argument(1)))
return 0;
ADD_TEST(test_fatalerr);
return 1;
}