sslv2conftest.c revision 306195 
1/* Written by Matt Caswell for the OpenSSL Project */
2/* ====================================================================
3 * Copyright (c) 2016 The OpenSSL Project.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in
14 *    the documentation and/or other materials provided with the
15 *    distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 *    software must display the following acknowledgment:
19 *    "This product includes software developed by the OpenSSL Project
20 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 *    endorse or promote products derived from this software without
24 *    prior written permission. For written permission, please contact
25 *    openssl-core@openssl.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 *    nor may "OpenSSL" appear in their names without prior written
29 *    permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 *    acknowledgment:
33 *    "This product includes software developed by the OpenSSL Project
34 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com).  This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56#include <stdlib.h>
57#include <openssl/bio.h>
58#include <openssl/ssl.h>
59#include <openssl/err.h>
60
61
62#define TOTAL_NUM_TESTS                         2
63#define TEST_SSL_CTX                            0
64
65#define SSLV2ON                                 1
66#define SSLV2OFF                                0
67
68SSL_CONF_CTX *confctx;
69SSL_CTX *ctx;
70SSL *ssl;
71
72static int checksslv2(int test, int sslv2)
73{
74    int options;
75    if (test == TEST_SSL_CTX) {
76        options = SSL_CTX_get_options(ctx);
77    } else {
78        options = SSL_get_options(ssl);
79    }
80    return ((options & SSL_OP_NO_SSLv2) == 0) ^ (sslv2 == SSLV2OFF);
81}
82
83int main(int argc, char *argv[])
84{
85    BIO *err;
86    int testresult = 0;
87    int currtest = 0;
88
89    SSL_library_init();
90    SSL_load_error_strings();
91
92    err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
93
94    CRYPTO_malloc_debug_init();
95    CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
96    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
97
98
99    confctx = SSL_CONF_CTX_new();
100    ctx = SSL_CTX_new(SSLv23_method());
101    ssl = SSL_new(ctx);
102    if (confctx == NULL || ctx == NULL)
103        goto end;
104
105    SSL_CONF_CTX_set_flags(confctx, SSL_CONF_FLAG_FILE
106                                    | SSL_CONF_FLAG_CLIENT
107                                    | SSL_CONF_FLAG_SERVER);
108
109    /*
110     * For each test set up an SSL_CTX and SSL and see whether SSLv2 is enabled
111     * as expected after various SSL_CONF_cmd("Protocol", ...) calls.
112     */
113    for (currtest = 0; currtest < TOTAL_NUM_TESTS; currtest++) {
114        BIO_printf(err, "SSLv2 CONF Test number %d\n", currtest);
115        if (currtest == TEST_SSL_CTX)
116            SSL_CONF_CTX_set_ssl_ctx(confctx, ctx);
117        else
118            SSL_CONF_CTX_set_ssl(confctx, ssl);
119
120        /* SSLv2 should be off by default */
121        if (!checksslv2(currtest, SSLV2OFF)) {
122            BIO_printf(err, "SSLv2 CONF Test: Off by default test FAIL\n");
123            goto end;
124        }
125
126        if (SSL_CONF_cmd(confctx, "Protocol", "ALL") != 2
127                || !SSL_CONF_CTX_finish(confctx)) {
128            BIO_printf(err, "SSLv2 CONF Test: SSL_CONF command FAIL\n");
129            goto end;
130        }
131
132        /* Should still be off even after ALL Protocols on */
133        if (!checksslv2(currtest, SSLV2OFF)) {
134            BIO_printf(err, "SSLv2 CONF Test: Off after config #1 FAIL\n");
135            goto end;
136        }
137
138        if (SSL_CONF_cmd(confctx, "Protocol", "SSLv2") != 2
139                || !SSL_CONF_CTX_finish(confctx)) {
140            BIO_printf(err, "SSLv2 CONF Test: SSL_CONF command FAIL\n");
141            goto end;
142        }
143
144        /* Should still be off even if explicitly asked for */
145        if (!checksslv2(currtest, SSLV2OFF)) {
146            BIO_printf(err, "SSLv2 CONF Test: Off after config #2 FAIL\n");
147            goto end;
148        }
149
150        if (SSL_CONF_cmd(confctx, "Protocol", "-SSLv2") != 2
151                || !SSL_CONF_CTX_finish(confctx)) {
152            BIO_printf(err, "SSLv2 CONF Test: SSL_CONF command FAIL\n");;
153            goto end;
154        }
155
156        if (!checksslv2(currtest, SSLV2OFF)) {
157            BIO_printf(err, "SSLv2 CONF Test: Off after config #3 FAIL\n");
158            goto end;
159        }
160
161        if (currtest == TEST_SSL_CTX)
162            SSL_CTX_clear_options(ctx, SSL_OP_NO_SSLv2);
163        else
164            SSL_clear_options(ssl, SSL_OP_NO_SSLv2);
165
166        if (!checksslv2(currtest, SSLV2ON)) {
167            BIO_printf(err, "SSLv2 CONF Test: On after clear FAIL\n");
168            goto end;
169        }
170
171        if (SSL_CONF_cmd(confctx, "Protocol", "ALL") != 2
172                || !SSL_CONF_CTX_finish(confctx)) {
173            BIO_printf(err, "SSLv2 CONF Test: SSL_CONF command FAIL\n");
174            goto end;
175        }
176
177        /* Option has been cleared and config says have SSLv2 so should be on */
178        if (!checksslv2(currtest, SSLV2ON)) {
179            BIO_printf(err, "SSLv2 CONF Test: On after config #1 FAIL\n");
180            goto end;
181        }
182
183        if (SSL_CONF_cmd(confctx, "Protocol", "SSLv2") != 2
184                || !SSL_CONF_CTX_finish(confctx)) {
185            BIO_printf(err, "SSLv2 CONF Test: SSL_CONF command FAIL\n");
186            goto end;
187        }
188
189        /* Option has been cleared and config says have SSLv2 so should be on */
190        if (!checksslv2(currtest, SSLV2ON)) {
191            BIO_printf(err, "SSLv2 CONF Test: On after config #2 FAIL\n");
192            goto end;
193        }
194
195        if (SSL_CONF_cmd(confctx, "Protocol", "-SSLv2") != 2
196                || !SSL_CONF_CTX_finish(confctx)) {
197            BIO_printf(err, "SSLv2 CONF Test: SSL_CONF command FAIL\n");
198            goto end;
199        }
200
201        /* Option has been cleared but config says no SSLv2 so should be off */
202        if (!checksslv2(currtest, SSLV2OFF)) {
203            BIO_printf(err, "SSLv2 CONF Test: Off after config #4 FAIL\n");
204            goto end;
205        }
206
207    }
208
209    testresult = 1;
210
211 end:
212    SSL_free(ssl);
213    SSL_CTX_free(ctx);
214    SSL_CONF_CTX_free(confctx);
215
216    if (!testresult) {
217        printf("SSLv2 CONF test: FAILED (Test %d)\n", currtest);
218        ERR_print_errors(err);
219    } else {
220        printf("SSLv2 CONF test: PASSED\n");
221    }
222
223    ERR_free_strings();
224    ERR_remove_thread_state(NULL);
225    EVP_cleanup();
226    CRYPTO_cleanup_all_ex_data();
227    CRYPTO_mem_leaks(err);
228    BIO_free(err);
229
230    return testresult ? EXIT_SUCCESS : EXIT_FAILURE;
231}
232