1 /* $OpenBSD: servertest.c,v 1.3 2020/05/11 18:18:21 jsing Exp $ */ 2 /* 3 * Copyright (c) 2015, 2016, 2017 Joel Sing <jsing@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <openssl/ssl.h> 19 20 #include <openssl/err.h> 21 #include <openssl/dtls1.h> 22 #include <openssl/ssl3.h> 23 24 #include <err.h> 25 #include <stdio.h> 26 #include <string.h> 27 28 const SSL_METHOD *tls_legacy_server_method(void); 29 30 char *server_ca_file; 31 char *server_cert_file; 32 char *server_key_file; 33 34 static unsigned char sslv2_client_hello_tls10[] = { 35 0x80, 0x6a, 0x01, 0x03, 0x01, 0x00, 0x51, 0x00, 36 0x00, 0x00, 0x10, 0x00, 0x00, 0x39, 0x00, 0x00, 37 0x38, 0x00, 0x00, 0x35, 0x00, 0x00, 0x16, 0x00, 38 0x00, 0x13, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x33, 39 0x00, 0x00, 0x32, 0x00, 0x00, 0x2f, 0x00, 0x00, 40 0x07, 0x00, 0x00, 0x66, 0x00, 0x00, 0x05, 0x00, 41 0x00, 0x04, 0x00, 0x00, 0x63, 0x00, 0x00, 0x62, 42 0x00, 0x00, 0x61, 0x00, 0x00, 0x15, 0x00, 0x00, 43 0x12, 0x00, 0x00, 0x09, 0x00, 0x00, 0x65, 0x00, 44 0x00, 0x64, 0x00, 0x00, 0x60, 0x00, 0x00, 0x14, 45 0x00, 0x00, 0x11, 0x00, 0x00, 0x08, 0x00, 0x00, 46 0x06, 0x00, 0x00, 0x03, 0xdd, 0xb6, 0x59, 0x26, 47 0x46, 0xe6, 0x79, 0x77, 0xf4, 0xec, 0x42, 0x76, 48 0xc8, 0x73, 0xad, 0x9c, 49 }; 50 51 static unsigned char sslv2_client_hello_tls12[] = { 52 0x80, 0xcb, 0x01, 0x03, 0x03, 0x00, 0xa2, 0x00, 53 0x00, 0x00, 0x20, 0x00, 0x00, 0xa5, 0x00, 0x00, 54 0xa3, 0x00, 0x00, 0xa1, 0x00, 0x00, 0x9f, 0x00, 55 0x00, 0x6b, 0x00, 0x00, 0x6a, 0x00, 0x00, 0x69, 56 0x00, 0x00, 0x68, 0x00, 0x00, 0x39, 0x00, 0x00, 57 0x38, 0x00, 0x00, 0x37, 0x00, 0x00, 0x36, 0x00, 58 0x00, 0x88, 0x00, 0x00, 0x87, 0x00, 0x00, 0x86, 59 0x00, 0x00, 0x85, 0x00, 0x00, 0x9d, 0x00, 0x00, 60 0x3d, 0x00, 0x00, 0x35, 0x00, 0x00, 0x84, 0x00, 61 0x00, 0xa4, 0x00, 0x00, 0xa2, 0x00, 0x00, 0xa0, 62 0x00, 0x00, 0x9e, 0x00, 0x00, 0x67, 0x00, 0x00, 63 0x40, 0x00, 0x00, 0x3f, 0x00, 0x00, 0x3e, 0x00, 64 0x00, 0x33, 0x00, 0x00, 0x32, 0x00, 0x00, 0x31, 65 0x00, 0x00, 0x30, 0x00, 0x00, 0x9a, 0x00, 0x00, 66 0x99, 0x00, 0x00, 0x98, 0x00, 0x00, 0x97, 0x00, 67 0x00, 0x45, 0x00, 0x00, 0x44, 0x00, 0x00, 0x43, 68 0x00, 0x00, 0x42, 0x00, 0x00, 0x9c, 0x00, 0x00, 69 0x3c, 0x00, 0x00, 0x2f, 0x00, 0x00, 0x96, 0x00, 70 0x00, 0x41, 0x00, 0x00, 0x07, 0x00, 0x00, 0x05, 71 0x00, 0x00, 0x04, 0x00, 0x00, 0x16, 0x00, 0x00, 72 0x13, 0x00, 0x00, 0x10, 0x00, 0x00, 0x0d, 0x00, 73 0x00, 0x0a, 0x00, 0x00, 0xff, 0x1d, 0xfd, 0x90, 74 0x03, 0x61, 0x3c, 0x5a, 0x22, 0x83, 0xed, 0x11, 75 0x85, 0xf4, 0xea, 0x36, 0x59, 0xd9, 0x1b, 0x27, 76 0x22, 0x01, 0x14, 0x07, 0x66, 0xb2, 0x24, 0xf5, 77 0x4e, 0x7d, 0x9d, 0x9c, 0x52, 78 }; 79 80 struct server_hello_test { 81 const unsigned char *desc; 82 unsigned char *client_hello; 83 const size_t client_hello_len; 84 const SSL_METHOD *(*ssl_method)(void); 85 const long ssl_clear_options; 86 const long ssl_set_options; 87 }; 88 89 static struct server_hello_test server_hello_tests[] = { 90 { 91 .desc = "TLSv1.0 in SSLv2 record", 92 .client_hello = sslv2_client_hello_tls10, 93 .client_hello_len = sizeof(sslv2_client_hello_tls10), 94 .ssl_method = tls_legacy_server_method, 95 .ssl_clear_options = SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1, 96 .ssl_set_options = 0, 97 }, 98 { 99 .desc = "TLSv1.2 in SSLv2 record", 100 .client_hello = sslv2_client_hello_tls12, 101 .client_hello_len = sizeof(sslv2_client_hello_tls12), 102 .ssl_method = tls_legacy_server_method, 103 .ssl_clear_options = SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1, 104 .ssl_set_options = 0, 105 }, 106 }; 107 108 #define N_SERVER_HELLO_TESTS \ 109 (sizeof(server_hello_tests) / sizeof(*server_hello_tests)) 110 111 static int 112 server_hello_test(int testno, struct server_hello_test *sht) 113 { 114 BIO *rbio = NULL, *wbio = NULL; 115 SSL_CTX *ssl_ctx = NULL; 116 SSL *ssl = NULL; 117 int ret = 1; 118 119 fprintf(stderr, "Test %i - %s\n", testno, sht->desc); 120 121 if ((rbio = BIO_new_mem_buf(sht->client_hello, 122 sht->client_hello_len)) == NULL) { 123 fprintf(stderr, "Failed to setup rbio\n"); 124 goto failure; 125 } 126 if ((wbio = BIO_new(BIO_s_mem())) == NULL) { 127 fprintf(stderr, "Failed to setup wbio\n"); 128 goto failure; 129 } 130 131 if ((ssl_ctx = SSL_CTX_new(sht->ssl_method())) == NULL) { 132 fprintf(stderr, "SSL_CTX_new() returned NULL\n"); 133 goto failure; 134 } 135 136 if (SSL_CTX_use_certificate_file(ssl_ctx, server_cert_file, 137 SSL_FILETYPE_PEM) != 1) { 138 fprintf(stderr, "Failed to load server certificate"); 139 goto failure; 140 } 141 if (SSL_CTX_use_PrivateKey_file(ssl_ctx, server_key_file, 142 SSL_FILETYPE_PEM) != 1) { 143 fprintf(stderr, "Failed to load server private key"); 144 goto failure; 145 } 146 147 SSL_CTX_set_dh_auto(ssl_ctx, 1); 148 SSL_CTX_set_ecdh_auto(ssl_ctx, 1); 149 150 SSL_CTX_clear_options(ssl_ctx, sht->ssl_clear_options); 151 SSL_CTX_set_options(ssl_ctx, sht->ssl_set_options); 152 153 if ((ssl = SSL_new(ssl_ctx)) == NULL) { 154 fprintf(stderr, "SSL_new() returned NULL\n"); 155 goto failure; 156 } 157 158 rbio->references = 2; 159 wbio->references = 2; 160 161 SSL_set_bio(ssl, rbio, wbio); 162 163 if (SSL_accept(ssl) != 0) { 164 fprintf(stderr, "SSL_accept() returned non-zero\n"); 165 ERR_print_errors_fp(stderr); 166 goto failure; 167 } 168 169 ret = 0; 170 171 failure: 172 SSL_CTX_free(ssl_ctx); 173 SSL_free(ssl); 174 175 rbio->references = 1; 176 wbio->references = 1; 177 178 BIO_free(rbio); 179 BIO_free(wbio); 180 181 return (ret); 182 } 183 184 int 185 main(int argc, char **argv) 186 { 187 int failed = 0; 188 size_t i; 189 190 if (argc != 4) { 191 fprintf(stderr, "usage: %s keyfile certfile cafile\n", 192 argv[0]); 193 exit(1); 194 } 195 196 server_key_file = argv[1]; 197 server_cert_file = argv[2]; 198 server_ca_file = argv[3]; 199 200 SSL_library_init(); 201 SSL_load_error_strings(); 202 203 for (i = 0; i < N_SERVER_HELLO_TESTS; i++) 204 failed |= server_hello_test(i, &server_hello_tests[i]); 205 206 return (failed); 207 } 208