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/*
* Copyright 2017-2026 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* https://www.openssl.org/source/license.html
* or in the file LICENSE in the source distribution.
*/
#include <string.h>
#include <stdio.h>
#include <openssl/opensslconf.h>
#include <openssl/err.h>
#include <openssl/e_os2.h>
#include <openssl/ssl.h>
#include <openssl/ssl3.h>
#include <openssl/tls1.h>
#include "internal/nelem.h"
#include "testutil.h"
static SSL_CTX *ctx;
static SSL *s;
static int test_empty(void)
{
STACK_OF(SSL_CIPHER) *sk = NULL, *scsv = NULL;
const unsigned char bytes[] = { 0x00 };
int ret = 0;
if (!TEST_int_eq(SSL_bytes_to_cipher_list(s, bytes, 0, 0, &sk, &scsv), 0)
|| !TEST_ptr_null(sk)
|| !TEST_ptr_null(scsv))
goto err;
ret = 1;
err:
sk_SSL_CIPHER_free(sk);
sk_SSL_CIPHER_free(scsv);
return ret;
}
static int test_unsupported(void)
{
STACK_OF(SSL_CIPHER) *sk, *scsv;
/* ECDH-RSA-AES256 (unsupported), ECDHE-ECDSA-AES128, <unassigned> */
const unsigned char bytes[] = { 0xc0, 0x0f, 0x00, 0x2f, 0x01, 0x00 };
int ret = 0;
if (!TEST_true(SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes),
0, &sk, &scsv))
|| !TEST_ptr(sk)
|| !TEST_int_eq(sk_SSL_CIPHER_num(sk), 1)
|| !TEST_ptr(scsv)
|| !TEST_int_eq(sk_SSL_CIPHER_num(scsv), 0)
|| !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),
"AES128-SHA"))
goto err;
ret = 1;
err:
sk_SSL_CIPHER_free(sk);
sk_SSL_CIPHER_free(scsv);
return ret;
}
static int test_v3(void)
{
STACK_OF(SSL_CIPHER) *sk = NULL, *scsv = NULL;
/* ECDHE-ECDSA-AES256GCM, ECDHE-ECDSA-CHACHAPOLY, DHE-RSA-AES256GCM,
* EMPTY-RENEGOTIATION-INFO-SCSV, FALLBACK-SCSV */
const unsigned char bytes[] = { 0x00, 0x2f, 0x00, 0x33, 0x00, 0x9f, 0x00, 0xff,
0x56, 0x00 };
int ret = 0;
if (!SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes), 0, &sk, &scsv)
|| !TEST_ptr(sk)
|| !TEST_int_eq(sk_SSL_CIPHER_num(sk), 3)
|| !TEST_ptr(scsv)
|| !TEST_int_eq(sk_SSL_CIPHER_num(scsv), 2)
|| !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),
"AES128-SHA")
|| !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 1)),
"DHE-RSA-AES128-SHA")
|| !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 2)),
"DHE-RSA-AES256-GCM-SHA384")
|| !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(scsv, 0)),
"TLS_EMPTY_RENEGOTIATION_INFO_SCSV")
|| !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(scsv, 1)),
"TLS_FALLBACK_SCSV"))
goto err;
ret = 1;
err:
sk_SSL_CIPHER_free(sk);
sk_SSL_CIPHER_free(scsv);
return ret;
}
int setup_tests(void)
{
if (!TEST_ptr(ctx = SSL_CTX_new(TLS_server_method()))
|| !TEST_ptr(s = SSL_new(ctx)))
return 0;
ADD_TEST(test_empty);
ADD_TEST(test_unsupported);
ADD_TEST(test_v3);
return 1;
}
void cleanup_tests(void)
{
SSL_free(s);
SSL_CTX_free(ctx);
}
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