Commit 6e3dac19 authored by Benjamin Kaduk's avatar Benjamin Kaduk Committed by Richard Levitte
Browse files

Tests for SSL_bytes_to_cipher_list() 



Reviewed-by: default avatarMatt Caswell <matt@openssl.org>
Reviewed-by: default avatarRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2279)
parent 90134d98

test/build.info

+5 −1
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@@ -28,7 +28,7 @@ IF[{- !$disabled{tests} -}] 
          dtlsv1listentest ct_test threadstest afalgtest d2i_test \

          ssl_test_ctx_test ssl_test x509aux cipherlist_test asynciotest \

          bioprinttest sslapitest dtlstest sslcorrupttest bio_enc_test \

          pkey_meth_test uitest

          pkey_meth_test uitest cipherbytes_test



  SOURCE[aborttest]=aborttest.c

  INCLUDE[aborttest]=../include
@@ -320,6 +320,10 @@ IF[{- !$disabled{tests} -}] 
  INCLUDE[uitest]=.. ../include

  DEPEND[uitest]=../libcrypto ../libssl



  SOURCE[cipherbytes_test]=cipherbytes_test.c

  INCLUDE[cipherbytes_test]=.. ../include

  DEPEND[cipherbytes_test]=../libcrypto ../libssl



  # Internal test programs.  These are essentially a collection of internal

  # test routines.  Some of them need to reach internal symbols that aren't

  # available through the shared library (at least on Linux, Solaris, Windows

test/cipherbytes_test.c

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/*

 * Copyright 2017 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 <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 "e_os.h"

#include "test_main.h"

#include "testutil.h"



static int test_empty(SSL *s)

{

    STACK_OF(SSL_CIPHER) *sk = NULL, *scsv = NULL;

    const unsigned char bytes[] = {0x00};



    if (SSL_bytes_to_cipher_list(s, bytes, 0, 0, &sk, &scsv) ||

        sk != NULL || scsv != NULL)

        return 0;

    return 1;

}



static int test_unsupported(SSL *s)

{

    STACK_OF(SSL_CIPHER) *sk, *scsv;

    /* ECDH-RSA-AES256 (unsupported), ECDHE-ECDSA-AES128, <unassigned> */

    const unsigned char bytes[] = {0xc0, 0x0f, 0x00, 0x2f, 0x01, 0x00};



    if (!SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes), 0, &sk, &scsv) ||

        sk == NULL || sk_SSL_CIPHER_num(sk) != 1 || scsv == NULL ||

        sk_SSL_CIPHER_num(scsv) != 0)

        return 0;

    if (strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),

                "AES128-SHA") != 0)

        return 0;



    sk_SSL_CIPHER_free(sk);

    sk_SSL_CIPHER_free(scsv);

    return 1;

}



static int test_v2(SSL *s)

{

    STACK_OF(SSL_CIPHER) *sk, *scsv;

    /* ECDHE-ECDSA-AES256GCM, SSL2_RC4_1238_WITH_MD5,

     * ECDHE-ECDSA-CHACHA20-POLY1305 */

    const unsigned char bytes[] = {0x00, 0x00, 0x35, 0x01, 0x00, 0x80,

                                   0x00, 0x00, 0x33};



    if (!SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes), 1, &sk, &scsv) ||

        sk == NULL || sk_SSL_CIPHER_num(sk) != 2 || scsv == NULL ||

        sk_SSL_CIPHER_num(scsv) != 0)

        return 0;

    if (strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),

               "AES256-SHA") != 0 ||

        strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 1)),

               "DHE-RSA-AES128-SHA") != 0)

        return 0;

    sk_SSL_CIPHER_free(sk);

    sk_SSL_CIPHER_free(scsv);

    return 1;

}



static int test_v3(SSL *s)

{

    STACK_OF(SSL_CIPHER) *sk, *scsv;

    /* 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};



    if (!SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes), 0, &sk, &scsv) ||

        sk == NULL || sk_SSL_CIPHER_num(sk) != 3 || scsv == NULL ||

        sk_SSL_CIPHER_num(scsv) != 2)

        return 0;

    if (strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),

               "AES128-SHA") != 0 ||

        strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 1)),

               "DHE-RSA-AES128-SHA") != 0 ||

        strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 2)),

               "DHE-RSA-AES256-GCM-SHA384") != 0 ||

        strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(scsv, 0)),

               "TLS_EMPTY_RENEGOTIATION_INFO_SCSV") != 0 ||

        strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(scsv, 1)),

               "TLS_FALLBACK_SCSV") != 0)

        return 0;

    sk_SSL_CIPHER_free(sk);

    sk_SSL_CIPHER_free(scsv);

    return 1;

}



int main(int argc, char **argv)

{

    SSL_CTX *ctx;

    SSL *s;



    ctx = SSL_CTX_new(TLS_server_method());

    s = SSL_new(ctx);

    OPENSSL_assert(s != NULL);



    if (!test_empty(s))

        return 1;



    if (!test_unsupported(s))

        return 1;



    if (!test_v2(s))

        return 1;



    if (!test_v3(s))

        return 1;



    printf("PASS\n");

    SSL_free(s);

    SSL_CTX_free(ctx);

    return 0;

}

test/recipes/80-test_cipherbytes.t

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#! /usr/bin/perl

#

# 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





use strict;

use warnings;



use OpenSSL::Test::Simple;

use OpenSSL::Test;

use OpenSSL::Test::Utils qw(alldisabled available_protocols);



setup("test_cipherbytes");



my $no_anytls = alldisabled(available_protocols("tls"));



# If we have no protocols, then we also have no supported ciphers.

plan skip_all => "No SSL/TLS protocol is supported by this OpenSSL build."

    if $no_anytls;



simple_test("test_cipherbytes", "cipherbytes_test", "bytes_to_cipherlist");