test/cipherbytes_test.c

   1 /*
   2  * Copyright 2017-2020 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  * https://www.openssl.org/source/license.html
   8  * or in the file LICENSE in the source distribution.
   9  */
  10
  11 #include <string.h>
  12 #include <stdio.h>
  13
  14 #include <openssl/opensslconf.h>
  15 #include <openssl/err.h>
  16 #include <openssl/e_os2.h>
  17 #include <openssl/ssl.h>
  18 #include <openssl/ssl3.h>
  19 #include <openssl/tls1.h>
  20
  21 #include "internal/nelem.h"
  22 #include "testutil.h"
  23
  24 DEFINE_STACK_OF(SSL_CIPHER)
  25
  26 static SSL_CTX *ctx;
  27 static SSL *s;
  28
  29 static int test_empty(void)
  30 {
  31     STACK_OF(SSL_CIPHER) *sk = NULL, *scsv = NULL;
  32     const unsigned char bytes[] = {0x00};
  33     int ret = 0;
  34
  35     if (!TEST_int_eq(SSL_bytes_to_cipher_list(s, bytes, 0, 0, &sk, &scsv), 0)
  36             || !TEST_ptr_null(sk)
  37             || !TEST_ptr_null(scsv))
  38         goto err;
  39     ret = 1;
  40
  41 err:
  42     sk_SSL_CIPHER_free(sk);
  43     sk_SSL_CIPHER_free(scsv);
  44     return ret;
  45 }
  46
  47 static int test_unsupported(void)
  48 {
  49     STACK_OF(SSL_CIPHER) *sk, *scsv;
  50     /* ECDH-RSA-AES256 (unsupported), ECDHE-ECDSA-AES128, <unassigned> */
  51     const unsigned char bytes[] = {0xc0, 0x0f, 0x00, 0x2f, 0x01, 0x00};
  52     int ret = 0;
  53
  54     if (!TEST_true(SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes),
  55                                             0, &sk, &scsv))
  56             || !TEST_ptr(sk)
  57             || !TEST_int_eq(sk_SSL_CIPHER_num(sk), 1)
  58             || !TEST_ptr(scsv)
  59             || !TEST_int_eq(sk_SSL_CIPHER_num(scsv), 0)
  60             || !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),
  61                             "AES128-SHA"))
  62         goto err;
  63
  64     ret = 1;
  65 err:
  66     sk_SSL_CIPHER_free(sk);
  67     sk_SSL_CIPHER_free(scsv);
  68     return ret;
  69 }
  70
  71 static int test_v2(void)
  72 {
  73     STACK_OF(SSL_CIPHER) *sk, *scsv;
  74     /* ECDHE-ECDSA-AES256GCM, SSL2_RC4_1238_WITH_MD5,
  75      * ECDHE-ECDSA-CHACHA20-POLY1305 */
  76     const unsigned char bytes[] = {0x00, 0x00, 0x35, 0x01, 0x00, 0x80,
  77                                    0x00, 0x00, 0x33};
  78     int ret = 0;
  79
  80     if (!TEST_true(SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes), 1,
  81                                             &sk, &scsv))
  82             || !TEST_ptr(sk)
  83             || !TEST_int_eq(sk_SSL_CIPHER_num(sk), 2)
  84             || !TEST_ptr(scsv)
  85             || !TEST_int_eq(sk_SSL_CIPHER_num(scsv), 0))
  86         goto err;
  87     if (strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),
  88                "AES256-SHA") != 0 ||
  89         strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 1)),
  90                "DHE-RSA-AES128-SHA") != 0)
  91         goto err;
  92
  93     ret = 1;
  94
  95 err:
  96     sk_SSL_CIPHER_free(sk);
  97     sk_SSL_CIPHER_free(scsv);
  98     return ret;
  99 }
 100
 101 static int test_v3(void)
 102 {
 103     STACK_OF(SSL_CIPHER) *sk = NULL, *scsv = NULL;
 104     /* ECDHE-ECDSA-AES256GCM, ECDHE-ECDSA-CHACHAPOLY, DHE-RSA-AES256GCM,
 105      * EMPTY-RENEGOTIATION-INFO-SCSV, FALLBACK-SCSV */
 106     const unsigned char bytes[] = {0x00, 0x2f, 0x00, 0x33, 0x00, 0x9f, 0x00, 0xff,
 107                                    0x56, 0x00};
 108     int ret = 0;
 109
 110     if (!SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes), 0, &sk, &scsv)
 111             || !TEST_ptr(sk)
 112             || !TEST_int_eq(sk_SSL_CIPHER_num(sk), 3)
 113             || !TEST_ptr(scsv)
 114             || !TEST_int_eq(sk_SSL_CIPHER_num(scsv), 2)
 115             || !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),
 116                             "AES128-SHA")
 117             || !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 1)),
 118                             "DHE-RSA-AES128-SHA")
 119             || !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 2)),
 120                             "DHE-RSA-AES256-GCM-SHA384")
 121             || !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(scsv, 0)),
 122                             "TLS_EMPTY_RENEGOTIATION_INFO_SCSV")
 123             || !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(scsv, 1)),
 124                             "TLS_FALLBACK_SCSV"))
 125         goto err;
 126
 127     ret = 1;
 128 err:
 129     sk_SSL_CIPHER_free(sk);
 130     sk_SSL_CIPHER_free(scsv);
 131     return ret;
 132 }
 133
 134 int setup_tests(void)
 135 {
 136     if (!TEST_ptr(ctx = SSL_CTX_new(TLS_server_method()))
 137             || !TEST_ptr(s = SSL_new(ctx)))
 138         return 0;
 139
 140     ADD_TEST(test_empty);
 141     ADD_TEST(test_unsupported);
 142     ADD_TEST(test_v2);
 143     ADD_TEST(test_v3);
 144     return 1;
 145 }
 146
 147 void cleanup_tests(void)
 148 {
 149     SSL_free(s);
 150     SSL_CTX_free(ctx);
 151 }