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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 | ||
68 | SSL_CONF_CTX *confctx; | |
69 | SSL_CTX *ctx; | |
70 | SSL *ssl; | |
71 | ||
72 | static 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 | ||
83 | int main(int argc, char *argv[]) | |
84 | { | |
85 | BIO *err; | |
86 | int testresult = 0; | |
0ee4f13b | 87 | int currtest = 0; |
1b1d8ae4 MC |
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 | } |