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Revision e37b7014f3f52124b787ca1b5b51b0111462a0ac authored by Tomas Mraz on 12 October 2018, 15:24:14 UTC, committed by Kurt Roeckx on 10 November 2018, 20:30:27 UTC
Unbreak SECLEVEL 3 regression causing it to not accept any ciphers.
Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Richard Levitte <levitte@openssl.org>
GH: #7391
(cherry picked from commit 75b68c9e4e8591a4ebe083cb207aeb121baf549f)
1 parent 98f6297
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  • test
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  • cipherlist_test.c
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cipherlist_test.c
/*
 * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL licenses, (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 <stdio.h>
#include <string.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"

typedef struct cipherlist_test_fixture {
    const char *test_case_name;
    SSL_CTX *server;
    SSL_CTX *client;
} CIPHERLIST_TEST_FIXTURE;


static void tear_down(CIPHERLIST_TEST_FIXTURE *fixture)
{
    if (fixture != NULL) {
        SSL_CTX_free(fixture->server);
        SSL_CTX_free(fixture->client);
        fixture->server = fixture->client = NULL;
        OPENSSL_free(fixture);
    }
}

static CIPHERLIST_TEST_FIXTURE *set_up(const char *const test_case_name)
{
    CIPHERLIST_TEST_FIXTURE *fixture;

    if (!TEST_ptr(fixture = OPENSSL_zalloc(sizeof(*fixture))))
        return NULL;
    fixture->test_case_name = test_case_name;
    if (!TEST_ptr(fixture->server = SSL_CTX_new(TLS_server_method()))
            || !TEST_ptr(fixture->client = SSL_CTX_new(TLS_client_method()))) {
        tear_down(fixture);
        return NULL;
    }
    return fixture;
}

/*
 * All ciphers in the DEFAULT cipherlist meet the default security level.
 * However, default supported ciphers exclude SRP and PSK ciphersuites
 * for which no callbacks have been set up.
 *
 * Supported ciphers also exclude TLSv1.2 ciphers if TLSv1.2 is disabled,
 * and individual disabled algorithms. However, NO_RSA, NO_AES and NO_SHA
 * are currently broken and should be considered mission impossible in libssl.
 */
static const uint32_t default_ciphers_in_order[] = {
#ifndef OPENSSL_NO_TLS1_3
    TLS1_3_CK_AES_256_GCM_SHA384,
# if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
    TLS1_3_CK_CHACHA20_POLY1305_SHA256,
# endif
    TLS1_3_CK_AES_128_GCM_SHA256,
#endif
#ifndef OPENSSL_NO_TLS1_2
# ifndef OPENSSL_NO_EC
    TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
    TLS1_CK_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
# endif
# ifndef OPENSSL_NO_DH
    TLS1_CK_DHE_RSA_WITH_AES_256_GCM_SHA384,
# endif

# if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
#  ifndef OPENSSL_NO_EC
    TLS1_CK_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
    TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305,
#  endif
#  ifndef OPENSSL_NO_DH
    TLS1_CK_DHE_RSA_WITH_CHACHA20_POLY1305,
#  endif
# endif  /* !OPENSSL_NO_CHACHA && !OPENSSL_NO_POLY1305 */

# ifndef OPENSSL_NO_EC
    TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
    TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
# endif
# ifndef OPENSSL_NO_DH
    TLS1_CK_DHE_RSA_WITH_AES_128_GCM_SHA256,
# endif
# ifndef OPENSSL_NO_EC
    TLS1_CK_ECDHE_ECDSA_WITH_AES_256_SHA384,
    TLS1_CK_ECDHE_RSA_WITH_AES_256_SHA384,
# endif
# ifndef OPENSSL_NO_DH
    TLS1_CK_DHE_RSA_WITH_AES_256_SHA256,
# endif
# ifndef OPENSSL_NO_EC
    TLS1_CK_ECDHE_ECDSA_WITH_AES_128_SHA256,
    TLS1_CK_ECDHE_RSA_WITH_AES_128_SHA256,
# endif
# ifndef OPENSSL_NO_DH
    TLS1_CK_DHE_RSA_WITH_AES_128_SHA256,
# endif
#endif  /* !OPENSSL_NO_TLS1_2 */

#if !defined(OPENSSL_NO_TLS1_2) || defined(OPENSSL_NO_TLS1_3)
    /* These won't be usable if TLSv1.3 is available but TLSv1.2 isn't */
# ifndef OPENSSL_NO_EC
    TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
    TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA,
# endif
 #ifndef OPENSSL_NO_DH
    TLS1_CK_DHE_RSA_WITH_AES_256_SHA,
# endif
# ifndef OPENSSL_NO_EC
    TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
    TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA,
# endif
# ifndef OPENSSL_NO_DH
    TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
# endif
#endif /* !defined(OPENSSL_NO_TLS1_2) || defined(OPENSSL_NO_TLS1_3) */

#ifndef OPENSSL_NO_TLS1_2
    TLS1_CK_RSA_WITH_AES_256_GCM_SHA384,
    TLS1_CK_RSA_WITH_AES_128_GCM_SHA256,
#endif
#ifndef OPENSSL_NO_TLS1_2
    TLS1_CK_RSA_WITH_AES_256_SHA256,
    TLS1_CK_RSA_WITH_AES_128_SHA256,
#endif
#if !defined(OPENSSL_NO_TLS1_2) || defined(OPENSSL_NO_TLS1_3)
    /* These won't be usable if TLSv1.3 is available but TLSv1.2 isn't */
    TLS1_CK_RSA_WITH_AES_256_SHA,
    TLS1_CK_RSA_WITH_AES_128_SHA,
#endif
};

static int test_default_cipherlist(SSL_CTX *ctx)
{
    STACK_OF(SSL_CIPHER) *ciphers = NULL;
    SSL *ssl = NULL;
    int i, ret = 0, num_expected_ciphers, num_ciphers;
    uint32_t expected_cipher_id, cipher_id;

    if (ctx == NULL)
        return 0;

    if (!TEST_ptr(ssl = SSL_new(ctx))
            || !TEST_ptr(ciphers = SSL_get1_supported_ciphers(ssl)))
        goto err;

    num_expected_ciphers = OSSL_NELEM(default_ciphers_in_order);
    num_ciphers = sk_SSL_CIPHER_num(ciphers);
    if (!TEST_int_eq(num_ciphers, num_expected_ciphers))
        goto err;

    for (i = 0; i < num_ciphers; i++) {
        expected_cipher_id = default_ciphers_in_order[i];
        cipher_id = SSL_CIPHER_get_id(sk_SSL_CIPHER_value(ciphers, i));
        if (!TEST_int_eq(cipher_id, expected_cipher_id)) {
            TEST_info("Wrong cipher at position %d", i);
            goto err;
        }
    }

    ret = 1;

 err:
    sk_SSL_CIPHER_free(ciphers);
    SSL_free(ssl);
    return ret;
}

static int execute_test(CIPHERLIST_TEST_FIXTURE *fixture)
{
    return fixture != NULL
        && test_default_cipherlist(fixture->server)
        && test_default_cipherlist(fixture->client);
}

#define SETUP_CIPHERLIST_TEST_FIXTURE() \
    SETUP_TEST_FIXTURE(CIPHERLIST_TEST_FIXTURE, set_up)

#define EXECUTE_CIPHERLIST_TEST() \
    EXECUTE_TEST(execute_test, tear_down)

static int test_default_cipherlist_implicit(void)
{
    SETUP_CIPHERLIST_TEST_FIXTURE();
    if (fixture == NULL)
        return 0;
    EXECUTE_CIPHERLIST_TEST();
    return result;
}

static int test_default_cipherlist_explicit(void)
{
    SETUP_CIPHERLIST_TEST_FIXTURE();
    if (fixture == NULL)
        return 0;
    if (!TEST_true(SSL_CTX_set_cipher_list(fixture->server, "DEFAULT"))
            || !TEST_true(SSL_CTX_set_cipher_list(fixture->client, "DEFAULT")))
        tear_down(fixture);
    EXECUTE_CIPHERLIST_TEST();
    return result;
}

int setup_tests(void)
{
    ADD_TEST(test_default_cipherlist_implicit);
    ADD_TEST(test_default_cipherlist_explicit);
    return 1;
}
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