test/cipherbytes_test.c

   1 /*
   2  * Copyright 2017 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 static SSL_CTX *ctx;
  25 static SSL *s;
  26
  27 static int test_empty(void)
  28 {
  29     STACK_OF(SSL_CIPHER) *sk = NULL, *scsv = NULL;
  30     const unsigned char bytes[] = {0x00};
  31     int ret = 0;
  32
  33     if (!TEST_int_eq(SSL_bytes_to_cipher_list(s, bytes, 0, 0, &sk, &scsv), 0)
  34             || !TEST_ptr_null(sk)
  35             || !TEST_ptr_null(scsv))
  36         goto err;
  37     ret = 1;
  38
  39 err:
  40     sk_SSL_CIPHER_free(sk);
  41     sk_SSL_CIPHER_free(scsv);
  42     return ret;
  43 }
  44
  45 static int test_unsupported(void)
  46 {
  47     STACK_OF(SSL_CIPHER) *sk, *scsv;
  48     /* ECDH-RSA-AES256 (unsupported), ECDHE-ECDSA-AES128, <unassigned> */
  49     const unsigned char bytes[] = {0xc0, 0x0f, 0x00, 0x2f, 0x01, 0x00};
  50     int ret = 0;
  51
  52     if (!TEST_true(SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes),
  53                                             0, &sk, &scsv))
  54             || !TEST_ptr(sk)
  55             || !TEST_int_eq(sk_SSL_CIPHER_num(sk), 1)
  56             || !TEST_ptr(scsv)
  57             || !TEST_int_eq(sk_SSL_CIPHER_num(scsv), 0)
  58             || !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),
  59                             "AES128-SHA"))
  60         goto err;
  61
  62     ret = 1;
  63 err:
  64     sk_SSL_CIPHER_free(sk);
  65     sk_SSL_CIPHER_free(scsv);
  66     return ret;
  67 }
  68
  69 static int test_v2(void)
  70 {
  71     STACK_OF(SSL_CIPHER) *sk, *scsv;
  72     /* ECDHE-ECDSA-AES256GCM, SSL2_RC4_1238_WITH_MD5,
  73      * ECDHE-ECDSA-CHACHA20-POLY1305 */
  74     const unsigned char bytes[] = {0x00, 0x00, 0x35, 0x01, 0x00, 0x80,
  75                                    0x00, 0x00, 0x33};
  76     int ret = 0;
  77
  78     if (!TEST_true(SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes), 1,
  79                                             &sk, &scsv))
  80             || !TEST_ptr(sk)
  81             || !TEST_int_eq(sk_SSL_CIPHER_num(sk), 2)
  82             || !TEST_ptr(scsv)
  83             || !TEST_int_eq(sk_SSL_CIPHER_num(scsv), 0))
  84         goto err;
  85     if (strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),
  86                "AES256-SHA") != 0 ||
  87         strcmp(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 1)),
  88                "DHE-RSA-AES128-SHA") != 0)
  89         goto err;
  90
  91     ret = 1;
  92
  93 err:
  94     sk_SSL_CIPHER_free(sk);
  95     sk_SSL_CIPHER_free(scsv);
  96     return ret;
  97 }
  98
  99 static int test_v3(void)
 100 {
 101     STACK_OF(SSL_CIPHER) *sk = NULL, *scsv = NULL;
 102     /* ECDHE-ECDSA-AES256GCM, ECDHE-ECDSA-CHACHAPOLY, DHE-RSA-AES256GCM,
 103      * EMPTY-RENEGOTIATION-INFO-SCSV, FALLBACK-SCSV */
 104     const unsigned char bytes[] = {0x00, 0x2f, 0x00, 0x33, 0x00, 0x9f, 0x00, 0xff,
 105                                    0x56, 0x00};
 106     int ret = 0;
 107
 108     if (!SSL_bytes_to_cipher_list(s, bytes, sizeof(bytes), 0, &sk, &scsv)
 109             || !TEST_ptr(sk)
 110             || !TEST_int_eq(sk_SSL_CIPHER_num(sk), 3)
 111             || !TEST_ptr(scsv)
 112             || !TEST_int_eq(sk_SSL_CIPHER_num(scsv), 2)
 113             || !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 0)),
 114                             "AES128-SHA")
 115             || !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 1)),
 116                             "DHE-RSA-AES128-SHA")
 117             || !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(sk, 2)),
 118                             "DHE-RSA-AES256-GCM-SHA384")
 119             || !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(scsv, 0)),
 120                             "TLS_EMPTY_RENEGOTIATION_INFO_SCSV")
 121             || !TEST_str_eq(SSL_CIPHER_get_name(sk_SSL_CIPHER_value(scsv, 1)),
 122                             "TLS_FALLBACK_SCSV"))
 123         goto err;
 124
 125     ret = 1;
 126 err:
 127     sk_SSL_CIPHER_free(sk);
 128     sk_SSL_CIPHER_free(scsv);
 129     return ret;
 130 }
 131
 132 int setup_tests(void)
 133 {
 134     if (!TEST_ptr(ctx = SSL_CTX_new(TLS_server_method()))
 135             || !TEST_ptr(s = SSL_new(ctx)))
 136         return 0;
 137
 138     ADD_TEST(test_empty);
 139     ADD_TEST(test_unsupported);
 140     ADD_TEST(test_v2);
 141     ADD_TEST(test_v3);
 142     return 1;
 143 }
 144
 145 void cleanup_tests(void)
 146 {
 147     SSL_free(s);
 148     SSL_CTX_free(ctx);
 149 }