2023-09-03 18:24:16 -07:00

210 lines
6.0 KiB
C

/* $OpenBSD: servertest.c,v 1.9 2023/07/11 11:52:35 tb Exp $ */
/*
* Copyright (c) 2015, 2016, 2017 Joel Sing <jsing@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/dtls1.h>
#include <openssl/ssl3.h>
#include <err.h>
#include <stdio.h>
#include <string.h>
const SSL_METHOD *tls_legacy_method(void);
char *server_ca_file;
char *server_cert_file;
char *server_key_file;
static unsigned char sslv2_client_hello_tls10[] = {
0x80, 0x6a, 0x01, 0x03, 0x01, 0x00, 0x51, 0x00,
0x00, 0x00, 0x10, 0x00, 0x00, 0x39, 0x00, 0x00,
0x38, 0x00, 0x00, 0x35, 0x00, 0x00, 0x16, 0x00,
0x00, 0x13, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x33,
0x00, 0x00, 0x32, 0x00, 0x00, 0x2f, 0x00, 0x00,
0x07, 0x00, 0x00, 0x66, 0x00, 0x00, 0x05, 0x00,
0x00, 0x04, 0x00, 0x00, 0x63, 0x00, 0x00, 0x62,
0x00, 0x00, 0x61, 0x00, 0x00, 0x15, 0x00, 0x00,
0x12, 0x00, 0x00, 0x09, 0x00, 0x00, 0x65, 0x00,
0x00, 0x64, 0x00, 0x00, 0x60, 0x00, 0x00, 0x14,
0x00, 0x00, 0x11, 0x00, 0x00, 0x08, 0x00, 0x00,
0x06, 0x00, 0x00, 0x03, 0xdd, 0xb6, 0x59, 0x26,
0x46, 0xe6, 0x79, 0x77, 0xf4, 0xec, 0x42, 0x76,
0xc8, 0x73, 0xad, 0x9c,
};
static unsigned char sslv2_client_hello_tls12[] = {
0x80, 0xcb, 0x01, 0x03, 0x03, 0x00, 0xa2, 0x00,
0x00, 0x00, 0x20, 0x00, 0x00, 0xa5, 0x00, 0x00,
0xa3, 0x00, 0x00, 0xa1, 0x00, 0x00, 0x9f, 0x00,
0x00, 0x6b, 0x00, 0x00, 0x6a, 0x00, 0x00, 0x69,
0x00, 0x00, 0x68, 0x00, 0x00, 0x39, 0x00, 0x00,
0x38, 0x00, 0x00, 0x37, 0x00, 0x00, 0x36, 0x00,
0x00, 0x88, 0x00, 0x00, 0x87, 0x00, 0x00, 0x86,
0x00, 0x00, 0x85, 0x00, 0x00, 0x9d, 0x00, 0x00,
0x3d, 0x00, 0x00, 0x35, 0x00, 0x00, 0x84, 0x00,
0x00, 0xa4, 0x00, 0x00, 0xa2, 0x00, 0x00, 0xa0,
0x00, 0x00, 0x9e, 0x00, 0x00, 0x67, 0x00, 0x00,
0x40, 0x00, 0x00, 0x3f, 0x00, 0x00, 0x3e, 0x00,
0x00, 0x33, 0x00, 0x00, 0x32, 0x00, 0x00, 0x31,
0x00, 0x00, 0x30, 0x00, 0x00, 0x9a, 0x00, 0x00,
0x99, 0x00, 0x00, 0x98, 0x00, 0x00, 0x97, 0x00,
0x00, 0x45, 0x00, 0x00, 0x44, 0x00, 0x00, 0x43,
0x00, 0x00, 0x42, 0x00, 0x00, 0x9c, 0x00, 0x00,
0x3c, 0x00, 0x00, 0x2f, 0x00, 0x00, 0x96, 0x00,
0x00, 0x41, 0x00, 0x00, 0x07, 0x00, 0x00, 0x05,
0x00, 0x00, 0x04, 0x00, 0x00, 0x16, 0x00, 0x00,
0x13, 0x00, 0x00, 0x10, 0x00, 0x00, 0x0d, 0x00,
0x00, 0x0a, 0x00, 0x00, 0xff, 0x1d, 0xfd, 0x90,
0x03, 0x61, 0x3c, 0x5a, 0x22, 0x83, 0xed, 0x11,
0x85, 0xf4, 0xea, 0x36, 0x59, 0xd9, 0x1b, 0x27,
0x22, 0x01, 0x14, 0x07, 0x66, 0xb2, 0x24, 0xf5,
0x4e, 0x7d, 0x9d, 0x9c, 0x52,
};
struct server_hello_test {
const unsigned char *desc;
unsigned char *client_hello;
const size_t client_hello_len;
const SSL_METHOD *(*ssl_method)(void);
const long ssl_clear_options;
const long ssl_set_options;
int accept_fails;
};
static struct server_hello_test server_hello_tests[] = {
{
.desc = "TLSv1.0 in SSLv2 record",
.client_hello = sslv2_client_hello_tls10,
.client_hello_len = sizeof(sslv2_client_hello_tls10),
.ssl_method = tls_legacy_method,
.ssl_clear_options = SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1,
.ssl_set_options = 0,
.accept_fails = 1,
},
{
.desc = "TLSv1.2 in SSLv2 record",
.client_hello = sslv2_client_hello_tls12,
.client_hello_len = sizeof(sslv2_client_hello_tls12),
.ssl_method = tls_legacy_method,
.ssl_clear_options = SSL_OP_NO_TLSv1 | SSL_OP_NO_TLSv1_1,
.ssl_set_options = 0,
.accept_fails = 1,
},
};
#define N_SERVER_HELLO_TESTS \
(sizeof(server_hello_tests) / sizeof(*server_hello_tests))
static int
server_hello_test(int testno, struct server_hello_test *sht)
{
BIO *rbio = NULL, *wbio = NULL;
SSL_CTX *ssl_ctx = NULL;
SSL *ssl = NULL;
int ret = 1;
fprintf(stderr, "Test %d - %s\n", testno, sht->desc);
if ((rbio = BIO_new_mem_buf(sht->client_hello,
sht->client_hello_len)) == NULL) {
fprintf(stderr, "Failed to setup rbio\n");
goto failure;
}
if ((wbio = BIO_new(BIO_s_mem())) == NULL) {
fprintf(stderr, "Failed to setup wbio\n");
goto failure;
}
if ((ssl_ctx = SSL_CTX_new(sht->ssl_method())) == NULL) {
fprintf(stderr, "SSL_CTX_new() returned NULL\n");
goto failure;
}
if (SSL_CTX_use_certificate_file(ssl_ctx, server_cert_file,
SSL_FILETYPE_PEM) != 1) {
fprintf(stderr, "Failed to load server certificate");
goto failure;
}
if (SSL_CTX_use_PrivateKey_file(ssl_ctx, server_key_file,
SSL_FILETYPE_PEM) != 1) {
fprintf(stderr, "Failed to load server private key");
goto failure;
}
SSL_CTX_set_dh_auto(ssl_ctx, 1);
SSL_CTX_set_ecdh_auto(ssl_ctx, 1);
SSL_CTX_clear_options(ssl_ctx, sht->ssl_clear_options);
SSL_CTX_set_options(ssl_ctx, sht->ssl_set_options);
if ((ssl = SSL_new(ssl_ctx)) == NULL) {
fprintf(stderr, "SSL_new() returned NULL\n");
goto failure;
}
BIO_up_ref(rbio);
BIO_up_ref(wbio);
SSL_set_bio(ssl, rbio, wbio);
if (SSL_accept(ssl) != 0) {
if (sht->accept_fails)
goto done;
fprintf(stderr, "SSL_accept() returned non-zero\n");
ERR_print_errors_fp(stderr);
goto failure;
}
done:
ret = 0;
failure:
SSL_CTX_free(ssl_ctx);
SSL_free(ssl);
BIO_free(rbio);
BIO_free(wbio);
return (ret);
}
int
main(int argc, char **argv)
{
int failed = 0;
size_t i;
if (argc != 4) {
fprintf(stderr, "usage: %s keyfile certfile cafile\n",
argv[0]);
exit(1);
}
server_key_file = argv[1];
server_cert_file = argv[2];
server_ca_file = argv[3];
SSL_library_init();
SSL_load_error_strings();
for (i = 0; i < N_SERVER_HELLO_TESTS; i++)
failed |= server_hello_test(i, &server_hello_tests[i]);
return (failed);
}