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Commit | Line | Data |
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0f113f3e MC |
1 | /* |
2 | * ! \file ssl/ssl_conf.c \brief SSL configuration functions | |
3db935a9 DSH |
3 | */ |
4 | /* ==================================================================== | |
5 | * Copyright (c) 2012 The OpenSSL Project. All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 12 | * notice, this list of conditions and the following disclaimer. |
3db935a9 DSH |
13 | * |
14 | * 2. Redistributions in binary form must reproduce the above copyright | |
15 | * notice, this list of conditions and the following disclaimer in | |
16 | * the documentation and/or other materials provided with the | |
17 | * distribution. | |
18 | * | |
19 | * 3. All advertising materials mentioning features or use of this | |
20 | * software must display the following acknowledgment: | |
21 | * "This product includes software developed by the OpenSSL Project | |
22 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
23 | * | |
24 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
25 | * endorse or promote products derived from this software without | |
26 | * prior written permission. For written permission, please contact | |
27 | * openssl-core@openssl.org. | |
28 | * | |
29 | * 5. Products derived from this software may not be called "OpenSSL" | |
30 | * nor may "OpenSSL" appear in their names without prior written | |
31 | * permission of the OpenSSL Project. | |
32 | * | |
33 | * 6. Redistributions of any form whatsoever must retain the following | |
34 | * acknowledgment: | |
35 | * "This product includes software developed by the OpenSSL Project | |
36 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
37 | * | |
38 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
39 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
40 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
41 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
42 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
43 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
44 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
45 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
46 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
47 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
48 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
49 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
50 | * ==================================================================== | |
51 | * | |
52 | * This product includes cryptographic software written by Eric Young | |
53 | * (eay@cryptsoft.com). This product includes software written by Tim | |
54 | * Hudson (tjh@cryptsoft.com). | |
55 | * | |
56 | */ | |
57 | ||
3db935a9 DSH |
58 | #include <stdio.h> |
59 | #include "ssl_locl.h" | |
60 | #include <openssl/conf.h> | |
61 | #include <openssl/objects.h> | |
96e16bdd | 62 | #ifndef OPENSSL_NO_DH |
0f113f3e | 63 | # include <openssl/dh.h> |
96e16bdd | 64 | #endif |
3db935a9 | 65 | |
0f113f3e MC |
66 | /* |
67 | * structure holding name tables. This is used for pemitted elements in lists | |
656b2605 | 68 | * such as TLSv1. |
3db935a9 DSH |
69 | */ |
70 | ||
0f113f3e MC |
71 | typedef struct { |
72 | const char *name; | |
73 | int namelen; | |
74 | unsigned int name_flags; | |
75 | unsigned long option_value; | |
76 | } ssl_flag_tbl; | |
3db935a9 | 77 | |
656b2605 DSH |
78 | /* Switch table: use for single command line switches like no_tls2 */ |
79 | typedef struct { | |
80 | unsigned long option_value; | |
81 | unsigned int name_flags; | |
82 | } ssl_switch_tbl; | |
83 | ||
3db935a9 | 84 | /* Sense of name is inverted e.g. "TLSv1" will clear SSL_OP_NO_TLSv1 */ |
0f113f3e | 85 | #define SSL_TFLAG_INV 0x1 |
429261d0 DSH |
86 | /* Mask for type of flag referred to */ |
87 | #define SSL_TFLAG_TYPE_MASK 0xf00 | |
88 | /* Flag is for options */ | |
89 | #define SSL_TFLAG_OPTION 0x000 | |
90 | /* Flag is for cert_flags */ | |
91 | #define SSL_TFLAG_CERT 0x100 | |
92 | /* Flag is for verify mode */ | |
93 | #define SSL_TFLAG_VFY 0x200 | |
3db935a9 DSH |
94 | /* Option can only be used for clients */ |
95 | #define SSL_TFLAG_CLIENT SSL_CONF_FLAG_CLIENT | |
96 | /* Option can only be used for servers */ | |
97 | #define SSL_TFLAG_SERVER SSL_CONF_FLAG_SERVER | |
98 | #define SSL_TFLAG_BOTH (SSL_TFLAG_CLIENT|SSL_TFLAG_SERVER) | |
99 | ||
100 | #define SSL_FLAG_TBL(str, flag) \ | |
0f113f3e | 101 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_BOTH, flag} |
3db935a9 | 102 | #define SSL_FLAG_TBL_SRV(str, flag) \ |
0f113f3e | 103 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_SERVER, flag} |
3db935a9 | 104 | #define SSL_FLAG_TBL_CLI(str, flag) \ |
0f113f3e | 105 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_CLIENT, flag} |
3db935a9 | 106 | #define SSL_FLAG_TBL_INV(str, flag) \ |
0f113f3e | 107 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_BOTH, flag} |
3db935a9 | 108 | #define SSL_FLAG_TBL_SRV_INV(str, flag) \ |
0f113f3e | 109 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_SERVER, flag} |
3db935a9 | 110 | #define SSL_FLAG_TBL_CERT(str, flag) \ |
0f113f3e | 111 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_CERT|SSL_TFLAG_BOTH, flag} |
3db935a9 | 112 | |
429261d0 DSH |
113 | #define SSL_FLAG_VFY_CLI(str, flag) \ |
114 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_CLIENT, flag} | |
115 | #define SSL_FLAG_VFY_SRV(str, flag) \ | |
116 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_SERVER, flag} | |
117 | ||
0f113f3e MC |
118 | /* |
119 | * Opaque structure containing SSL configuration context. | |
3db935a9 DSH |
120 | */ |
121 | ||
0f113f3e MC |
122 | struct ssl_conf_ctx_st { |
123 | /* | |
124 | * Various flags indicating (among other things) which options we will | |
125 | * recognise. | |
126 | */ | |
127 | unsigned int flags; | |
128 | /* Prefix and length of commands */ | |
129 | char *prefix; | |
130 | size_t prefixlen; | |
131 | /* SSL_CTX or SSL structure to perform operations on */ | |
132 | SSL_CTX *ctx; | |
133 | SSL *ssl; | |
134 | /* Pointer to SSL or SSL_CTX options field or NULL if none */ | |
f7d53487 | 135 | uint32_t *poptions; |
2011b169 DSH |
136 | /* Certificate filenames for each type */ |
137 | char *cert_filename[SSL_PKEY_NUM]; | |
0f113f3e | 138 | /* Pointer to SSL or SSL_CTX cert_flags or NULL if none */ |
f7d53487 | 139 | uint32_t *pcert_flags; |
429261d0 DSH |
140 | /* Pointer to SSL or SSL_CTX verify_mode or NULL if none */ |
141 | uint32_t *pvfy_flags; | |
7946ab33 KR |
142 | /* Pointer to SSL or SSL_CTX min_version field or NULL if none */ |
143 | int *min_version; | |
144 | /* Pointer to SSL or SSL_CTX max_version field or NULL if none */ | |
145 | int *max_version; | |
0f113f3e MC |
146 | /* Current flag table being worked on */ |
147 | const ssl_flag_tbl *tbl; | |
148 | /* Size of table */ | |
149 | size_t ntbl; | |
429261d0 DSH |
150 | /* Client CA names */ |
151 | STACK_OF(X509_NAME) *canames; | |
0f113f3e | 152 | }; |
3db935a9 | 153 | |
656b2605 DSH |
154 | static void ssl_set_option(SSL_CONF_CTX *cctx, unsigned int name_flags, |
155 | unsigned long option_value, int onoff) | |
156 | { | |
4fdf17a0 | 157 | uint32_t *pflags; |
656b2605 DSH |
158 | if (cctx->poptions == NULL) |
159 | return; | |
160 | if (name_flags & SSL_TFLAG_INV) | |
161 | onoff ^= 1; | |
429261d0 DSH |
162 | switch (name_flags & SSL_TFLAG_TYPE_MASK) { |
163 | ||
164 | case SSL_TFLAG_CERT: | |
165 | pflags = cctx->pcert_flags; | |
166 | break; | |
167 | ||
168 | case SSL_TFLAG_VFY: | |
169 | pflags = cctx->pvfy_flags; | |
170 | break; | |
171 | ||
172 | case SSL_TFLAG_OPTION: | |
173 | pflags = cctx->poptions; | |
174 | break; | |
175 | ||
176 | default: | |
177 | return; | |
178 | ||
656b2605 | 179 | } |
429261d0 DSH |
180 | if (onoff) |
181 | *pflags |= option_value; | |
182 | else | |
183 | *pflags &= ~option_value; | |
656b2605 DSH |
184 | } |
185 | ||
3db935a9 | 186 | static int ssl_match_option(SSL_CONF_CTX *cctx, const ssl_flag_tbl *tbl, |
0f113f3e MC |
187 | const char *name, int namelen, int onoff) |
188 | { | |
189 | /* If name not relevant for context skip */ | |
190 | if (!(cctx->flags & tbl->name_flags & SSL_TFLAG_BOTH)) | |
191 | return 0; | |
192 | if (namelen == -1) { | |
193 | if (strcmp(tbl->name, name)) | |
194 | return 0; | |
195 | } else if (tbl->namelen != namelen | |
196 | || strncasecmp(tbl->name, name, namelen)) | |
197 | return 0; | |
656b2605 | 198 | ssl_set_option(cctx, tbl->name_flags, tbl->option_value, onoff); |
0f113f3e MC |
199 | return 1; |
200 | } | |
3db935a9 DSH |
201 | |
202 | static int ssl_set_option_list(const char *elem, int len, void *usr) | |
0f113f3e MC |
203 | { |
204 | SSL_CONF_CTX *cctx = usr; | |
205 | size_t i; | |
206 | const ssl_flag_tbl *tbl; | |
207 | int onoff = 1; | |
208 | /* | |
209 | * len == -1 indicates not being called in list context, just for single | |
210 | * command line switches, so don't allow +, -. | |
211 | */ | |
2747d73c KR |
212 | if (elem == NULL) |
213 | return 0; | |
0f113f3e MC |
214 | if (len != -1) { |
215 | if (*elem == '+') { | |
216 | elem++; | |
217 | len--; | |
218 | onoff = 1; | |
219 | } else if (*elem == '-') { | |
220 | elem++; | |
221 | len--; | |
222 | onoff = 0; | |
223 | } | |
224 | } | |
225 | for (i = 0, tbl = cctx->tbl; i < cctx->ntbl; i++, tbl++) { | |
226 | if (ssl_match_option(cctx, tbl, elem, len, onoff)) | |
227 | return 1; | |
228 | } | |
229 | return 0; | |
230 | } | |
3db935a9 | 231 | |
3db935a9 | 232 | /* Set supported signature algorithms */ |
ec2f7e56 | 233 | static int cmd_SignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
234 | { |
235 | int rv; | |
236 | if (cctx->ssl) | |
237 | rv = SSL_set1_sigalgs_list(cctx->ssl, value); | |
238 | /* NB: ctx == NULL performs syntax checking only */ | |
239 | else | |
240 | rv = SSL_CTX_set1_sigalgs_list(cctx->ctx, value); | |
241 | return rv > 0; | |
242 | } | |
243 | ||
3db935a9 | 244 | /* Set supported client signature algorithms */ |
0f113f3e MC |
245 | static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx, |
246 | const char *value) | |
247 | { | |
248 | int rv; | |
249 | if (cctx->ssl) | |
250 | rv = SSL_set1_client_sigalgs_list(cctx->ssl, value); | |
251 | /* NB: ctx == NULL performs syntax checking only */ | |
252 | else | |
253 | rv = SSL_CTX_set1_client_sigalgs_list(cctx->ctx, value); | |
254 | return rv > 0; | |
255 | } | |
3db935a9 | 256 | |
ec2f7e56 | 257 | static int cmd_Curves(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
258 | { |
259 | int rv; | |
260 | if (cctx->ssl) | |
261 | rv = SSL_set1_curves_list(cctx->ssl, value); | |
262 | /* NB: ctx == NULL performs syntax checking only */ | |
263 | else | |
264 | rv = SSL_CTX_set1_curves_list(cctx->ctx, value); | |
265 | return rv > 0; | |
266 | } | |
267 | ||
10bf4fc2 | 268 | #ifndef OPENSSL_NO_EC |
3db935a9 | 269 | /* ECDH temporary parameters */ |
ec2f7e56 | 270 | static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e | 271 | { |
fe6ef247 KR |
272 | int rv = 1; |
273 | EC_KEY *ecdh; | |
274 | int nid; | |
0f113f3e | 275 | |
fe6ef247 KR |
276 | nid = EC_curve_nist2nid(value); |
277 | if (nid == NID_undef) | |
278 | nid = OBJ_sn2nid(value); | |
279 | if (nid == 0) | |
280 | return 0; | |
281 | ecdh = EC_KEY_new_by_curve_name(nid); | |
282 | if (!ecdh) | |
283 | return 0; | |
284 | if (cctx->ctx) | |
285 | rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh); | |
286 | else if (cctx->ssl) | |
287 | rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh); | |
288 | EC_KEY_free(ecdh); | |
0f113f3e MC |
289 | |
290 | return rv > 0; | |
291 | } | |
14536c8c | 292 | #endif |
ec2f7e56 | 293 | static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
294 | { |
295 | int rv = 1; | |
296 | if (cctx->ctx) | |
297 | rv = SSL_CTX_set_cipher_list(cctx->ctx, value); | |
298 | if (cctx->ssl) | |
299 | rv = SSL_set_cipher_list(cctx->ssl, value); | |
300 | return rv > 0; | |
301 | } | |
3db935a9 | 302 | |
ec2f7e56 | 303 | static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
304 | { |
305 | static const ssl_flag_tbl ssl_protocol_list[] = { | |
306 | SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK), | |
307 | SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2), | |
308 | SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3), | |
309 | SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1), | |
310 | SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1), | |
7946ab33 KR |
311 | SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2), |
312 | SSL_FLAG_TBL_INV("DTLSv1", SSL_OP_NO_DTLSv1), | |
313 | SSL_FLAG_TBL_INV("DTLSv1.2", SSL_OP_NO_DTLSv1_2) | |
0f113f3e | 314 | }; |
0f113f3e | 315 | cctx->tbl = ssl_protocol_list; |
b6eb9827 | 316 | cctx->ntbl = OSSL_NELEM(ssl_protocol_list); |
0f113f3e MC |
317 | return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx); |
318 | } | |
3db935a9 | 319 | |
7946ab33 KR |
320 | /* |
321 | * protocol_from_string - converts a protocol version string to a number | |
322 | * | |
323 | * Returns -1 on failure or the version on success | |
324 | */ | |
325 | static int protocol_from_string(const char *value) | |
326 | { | |
327 | struct protocol_versions { | |
328 | const char *name; | |
329 | int version; | |
330 | }; | |
331 | static const struct protocol_versions versions[] = { | |
869e978c | 332 | {"None", 0}, |
7946ab33 KR |
333 | {"SSLv3", SSL3_VERSION}, |
334 | {"TLSv1", TLS1_VERSION}, | |
335 | {"TLSv1.1", TLS1_1_VERSION}, | |
336 | {"TLSv1.2", TLS1_2_VERSION}, | |
337 | {"DTLSv1", DTLS1_VERSION}, | |
338 | {"DTLSv1.2", DTLS1_2_VERSION}}; | |
339 | size_t i; | |
340 | size_t n = OSSL_NELEM(versions); | |
341 | ||
342 | for (i = 0; i < n; i++) | |
343 | if (strcmp(versions[i].name, value) == 0) | |
344 | return versions[i].version; | |
345 | return -1; | |
346 | } | |
347 | ||
4fa52141 VD |
348 | static int min_max_proto(SSL_CONF_CTX *cctx, const char *value, int *bound) |
349 | { | |
350 | int method_version; | |
351 | int new_version; | |
352 | ||
353 | if (cctx->ctx != NULL) | |
354 | method_version = cctx->ctx->method->version; | |
355 | else if (cctx->ssl != NULL) | |
356 | method_version = cctx->ssl->ctx->method->version; | |
357 | else | |
358 | return 0; | |
359 | if ((new_version = protocol_from_string(value)) < 0) | |
360 | return 0; | |
361 | return ssl_set_version_bound(method_version, new_version, bound); | |
362 | } | |
363 | ||
7946ab33 KR |
364 | /* |
365 | * cmd_MinProtocol - Set min protocol version | |
366 | * @cctx: config structure to save settings in | |
367 | * @value: The min protocol version in string form | |
368 | * | |
369 | * Returns 1 on success and 0 on failure. | |
370 | */ | |
371 | static int cmd_MinProtocol(SSL_CONF_CTX *cctx, const char *value) | |
372 | { | |
4fa52141 | 373 | return min_max_proto(cctx, value, cctx->min_version); |
7946ab33 KR |
374 | } |
375 | ||
376 | /* | |
377 | * cmd_MaxProtocol - Set max protocol version | |
378 | * @cctx: config structure to save settings in | |
379 | * @value: The max protocol version in string form | |
380 | * | |
381 | * Returns 1 on success and 0 on failure. | |
382 | */ | |
383 | static int cmd_MaxProtocol(SSL_CONF_CTX *cctx, const char *value) | |
384 | { | |
4fa52141 | 385 | return min_max_proto(cctx, value, cctx->max_version); |
7946ab33 KR |
386 | } |
387 | ||
ec2f7e56 | 388 | static int cmd_Options(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
389 | { |
390 | static const ssl_flag_tbl ssl_option_list[] = { | |
391 | SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET), | |
392 | SSL_FLAG_TBL_INV("EmptyFragments", | |
393 | SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS), | |
394 | SSL_FLAG_TBL("Bugs", SSL_OP_ALL), | |
395 | SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION), | |
396 | SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE), | |
397 | SSL_FLAG_TBL_SRV("NoResumptionOnRenegotiation", | |
398 | SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION), | |
399 | SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE), | |
400 | SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE), | |
401 | SSL_FLAG_TBL("UnsafeLegacyRenegotiation", | |
402 | SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION), | |
403 | }; | |
0f113f3e MC |
404 | if (value == NULL) |
405 | return -3; | |
406 | cctx->tbl = ssl_option_list; | |
b6eb9827 | 407 | cctx->ntbl = OSSL_NELEM(ssl_option_list); |
0f113f3e MC |
408 | return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx); |
409 | } | |
3db935a9 | 410 | |
429261d0 DSH |
411 | static int cmd_VerifyMode(SSL_CONF_CTX *cctx, const char *value) |
412 | { | |
413 | static const ssl_flag_tbl ssl_vfy_list[] = { | |
414 | SSL_FLAG_VFY_CLI("Peer", SSL_VERIFY_PEER), | |
415 | SSL_FLAG_VFY_SRV("Request", SSL_VERIFY_PEER), | |
416 | SSL_FLAG_VFY_SRV("Require", | |
417 | SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT), | |
418 | SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE) | |
419 | }; | |
420 | if (value == NULL) | |
421 | return -3; | |
422 | cctx->tbl = ssl_vfy_list; | |
423 | cctx->ntbl = OSSL_NELEM(ssl_vfy_list); | |
424 | return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx); | |
425 | } | |
426 | ||
ec2f7e56 | 427 | static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
428 | { |
429 | int rv = 1; | |
2011b169 | 430 | CERT *c = NULL; |
2011b169 | 431 | if (cctx->ctx) { |
0f113f3e | 432 | rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value); |
2011b169 DSH |
433 | c = cctx->ctx->cert; |
434 | } | |
435 | if (cctx->ssl) { | |
fae4772c | 436 | rv = SSL_use_certificate_chain_file(cctx->ssl, value); |
2011b169 DSH |
437 | c = cctx->ssl->cert; |
438 | } | |
439 | if (rv > 0 && c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) { | |
440 | char **pfilename = &cctx->cert_filename[c->key - c->pkeys]; | |
b548a1f1 | 441 | OPENSSL_free(*pfilename); |
7644a9ae | 442 | *pfilename = OPENSSL_strdup(value); |
2011b169 DSH |
443 | if (!*pfilename) |
444 | rv = 0; | |
445 | } | |
446 | ||
0f113f3e MC |
447 | return rv > 0; |
448 | } | |
ec2f7e56 DSH |
449 | |
450 | static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value) | |
0f113f3e MC |
451 | { |
452 | int rv = 1; | |
453 | if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE)) | |
454 | return -2; | |
455 | if (cctx->ctx) | |
456 | rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM); | |
457 | if (cctx->ssl) | |
458 | rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM); | |
459 | return rv > 0; | |
460 | } | |
5b7f36e8 DSH |
461 | |
462 | static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value) | |
0f113f3e MC |
463 | { |
464 | int rv = 1; | |
0f113f3e MC |
465 | if (cctx->ctx) |
466 | rv = SSL_CTX_use_serverinfo_file(cctx->ctx, value); | |
467 | return rv > 0; | |
468 | } | |
5b7f36e8 | 469 | |
429261d0 DSH |
470 | static int do_store(SSL_CONF_CTX *cctx, |
471 | const char *CAfile, const char *CApath, int verify_store) | |
472 | { | |
473 | CERT *cert; | |
474 | X509_STORE **st; | |
475 | if (cctx->ctx) | |
476 | cert = cctx->ctx->cert; | |
477 | else if (cctx->ssl) | |
478 | cert = cctx->ssl->cert; | |
479 | else | |
480 | return 1; | |
481 | st = verify_store ? &cert->verify_store : &cert->chain_store; | |
482 | if (*st == NULL) { | |
483 | *st = X509_STORE_new(); | |
484 | if (*st == NULL) | |
485 | return 0; | |
486 | } | |
487 | return X509_STORE_load_locations(*st, CAfile, CApath) > 0; | |
488 | } | |
489 | ||
490 | static int cmd_ChainCAPath(SSL_CONF_CTX *cctx, const char *value) | |
491 | { | |
492 | return do_store(cctx, NULL, value, 0); | |
493 | } | |
494 | ||
495 | static int cmd_ChainCAFile(SSL_CONF_CTX *cctx, const char *value) | |
496 | { | |
497 | return do_store(cctx, value, NULL, 0); | |
498 | } | |
499 | ||
500 | static int cmd_VerifyCAPath(SSL_CONF_CTX *cctx, const char *value) | |
501 | { | |
502 | return do_store(cctx, NULL, value, 1); | |
503 | } | |
504 | ||
505 | static int cmd_VerifyCAFile(SSL_CONF_CTX *cctx, const char *value) | |
506 | { | |
507 | return do_store(cctx, value, NULL, 1); | |
508 | } | |
509 | ||
510 | static int cmd_ClientCAFile(SSL_CONF_CTX *cctx, const char *value) | |
511 | { | |
512 | if (cctx->canames == NULL) | |
513 | cctx->canames = sk_X509_NAME_new_null(); | |
514 | if (cctx->canames == NULL) | |
515 | return 0; | |
516 | return SSL_add_file_cert_subjects_to_stack(cctx->canames, value); | |
517 | } | |
518 | ||
519 | static int cmd_ClientCAPath(SSL_CONF_CTX *cctx, const char *value) | |
520 | { | |
521 | if (cctx->canames == NULL) | |
522 | cctx->canames = sk_X509_NAME_new_null(); | |
523 | if (cctx->canames == NULL) | |
524 | return 0; | |
525 | return SSL_add_dir_cert_subjects_to_stack(cctx->canames, value); | |
526 | } | |
527 | ||
c557f921 DSH |
528 | #ifndef OPENSSL_NO_DH |
529 | static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value) | |
0f113f3e MC |
530 | { |
531 | int rv = 0; | |
532 | DH *dh = NULL; | |
533 | BIO *in = NULL; | |
0f113f3e | 534 | if (cctx->ctx || cctx->ssl) { |
9982cbbb | 535 | in = BIO_new(BIO_s_file()); |
a71edf3b | 536 | if (in == NULL) |
0f113f3e MC |
537 | goto end; |
538 | if (BIO_read_filename(in, value) <= 0) | |
539 | goto end; | |
540 | dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); | |
a71edf3b | 541 | if (dh == NULL) |
0f113f3e MC |
542 | goto end; |
543 | } else | |
544 | return 1; | |
545 | if (cctx->ctx) | |
546 | rv = SSL_CTX_set_tmp_dh(cctx->ctx, dh); | |
547 | if (cctx->ssl) | |
548 | rv = SSL_set_tmp_dh(cctx->ssl, dh); | |
549 | end: | |
d6407083 | 550 | DH_free(dh); |
ca3a82c3 | 551 | BIO_free(in); |
0f113f3e MC |
552 | return rv > 0; |
553 | } | |
c557f921 | 554 | #endif |
0f113f3e MC |
555 | typedef struct { |
556 | int (*cmd) (SSL_CONF_CTX *cctx, const char *value); | |
557 | const char *str_file; | |
558 | const char *str_cmdline; | |
656b2605 DSH |
559 | unsigned short flags; |
560 | unsigned short value_type; | |
0f113f3e | 561 | } ssl_conf_cmd_tbl; |
3db935a9 | 562 | |
ec2f7e56 DSH |
563 | /* Table of supported parameters */ |
564 | ||
656b2605 DSH |
565 | #define SSL_CONF_CMD(name, cmdopt, flags, type) \ |
566 | {cmd_##name, #name, cmdopt, flags, type} | |
567 | ||
568 | #define SSL_CONF_CMD_STRING(name, cmdopt, flags) \ | |
569 | SSL_CONF_CMD(name, cmdopt, flags, SSL_CONF_TYPE_STRING) | |
ec2f7e56 | 570 | |
656b2605 DSH |
571 | #define SSL_CONF_CMD_SWITCH(name, flags) \ |
572 | {0, NULL, name, flags, SSL_CONF_TYPE_NONE} | |
3db935a9 | 573 | |
7e1b7485 | 574 | /* See apps/apps.h if you change this table. */ |
27f3b65f | 575 | static const ssl_conf_cmd_tbl ssl_conf_cmds[] = { |
656b2605 DSH |
576 | SSL_CONF_CMD_SWITCH("no_ssl3", 0), |
577 | SSL_CONF_CMD_SWITCH("no_tls1", 0), | |
578 | SSL_CONF_CMD_SWITCH("no_tls1_1", 0), | |
579 | SSL_CONF_CMD_SWITCH("no_tls1_2", 0), | |
580 | SSL_CONF_CMD_SWITCH("bugs", 0), | |
cc5a9ba4 | 581 | SSL_CONF_CMD_SWITCH("no_comp", 0), |
dc5744cb | 582 | SSL_CONF_CMD_SWITCH("comp", 0), |
656b2605 | 583 | SSL_CONF_CMD_SWITCH("ecdh_single", SSL_CONF_FLAG_SERVER), |
656b2605 | 584 | SSL_CONF_CMD_SWITCH("no_ticket", 0), |
656b2605 DSH |
585 | SSL_CONF_CMD_SWITCH("serverpref", SSL_CONF_FLAG_SERVER), |
586 | SSL_CONF_CMD_SWITCH("legacy_renegotiation", 0), | |
587 | SSL_CONF_CMD_SWITCH("legacy_server_connect", SSL_CONF_FLAG_SERVER), | |
588 | SSL_CONF_CMD_SWITCH("no_resumption_on_reneg", SSL_CONF_FLAG_SERVER), | |
589 | SSL_CONF_CMD_SWITCH("no_legacy_server_connect", SSL_CONF_FLAG_SERVER), | |
590 | SSL_CONF_CMD_SWITCH("strict", 0), | |
591 | #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL | |
592 | SSL_CONF_CMD_SWITCH("debug_broken_protocol", 0), | |
593 | #endif | |
594 | SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs", 0), | |
595 | SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0), | |
596 | SSL_CONF_CMD_STRING(Curves, "curves", 0), | |
10bf4fc2 | 597 | #ifndef OPENSSL_NO_EC |
656b2605 | 598 | SSL_CONF_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER), |
14536c8c | 599 | #endif |
656b2605 DSH |
600 | SSL_CONF_CMD_STRING(CipherString, "cipher", 0), |
601 | SSL_CONF_CMD_STRING(Protocol, NULL, 0), | |
7946ab33 KR |
602 | SSL_CONF_CMD_STRING(MinProtocol, "min_protocol", SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CLIENT), |
603 | SSL_CONF_CMD_STRING(MaxProtocol, "max_protocol", SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CLIENT), | |
656b2605 | 604 | SSL_CONF_CMD_STRING(Options, NULL, 0), |
429261d0 | 605 | SSL_CONF_CMD_STRING(VerifyMode, NULL, 0), |
656b2605 DSH |
606 | SSL_CONF_CMD(Certificate, "cert", SSL_CONF_FLAG_CERTIFICATE, |
607 | SSL_CONF_TYPE_FILE), | |
608 | SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_FLAG_CERTIFICATE, | |
609 | SSL_CONF_TYPE_FILE), | |
610 | SSL_CONF_CMD(ServerInfoFile, NULL, | |
611 | SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE, | |
612 | SSL_CONF_TYPE_FILE), | |
429261d0 DSH |
613 | SSL_CONF_CMD(ChainCAPath, "chainCApath", SSL_CONF_FLAG_CERTIFICATE, |
614 | SSL_CONF_TYPE_DIR), | |
615 | SSL_CONF_CMD(ChainCAFile, "chainCAfile", SSL_CONF_FLAG_CERTIFICATE, | |
616 | SSL_CONF_TYPE_FILE), | |
617 | SSL_CONF_CMD(VerifyCAPath, "verifyCApath", SSL_CONF_FLAG_CERTIFICATE, | |
618 | SSL_CONF_TYPE_DIR), | |
619 | SSL_CONF_CMD(VerifyCAFile, "verifyCAfile", SSL_CONF_FLAG_CERTIFICATE, | |
620 | SSL_CONF_TYPE_FILE), | |
621 | SSL_CONF_CMD(ClientCAFile, NULL, | |
622 | SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE, | |
623 | SSL_CONF_TYPE_FILE), | |
624 | SSL_CONF_CMD(ClientCAPath, NULL, | |
625 | SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE, | |
626 | SSL_CONF_TYPE_DIR), | |
c557f921 | 627 | #ifndef OPENSSL_NO_DH |
656b2605 DSH |
628 | SSL_CONF_CMD(DHParameters, "dhparam", |
629 | SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE, | |
630 | SSL_CONF_TYPE_FILE) | |
631 | #endif | |
632 | }; | |
633 | ||
634 | /* Supported switches: must match order of switches in ssl_conf_cmds */ | |
635 | static const ssl_switch_tbl ssl_cmd_switches[] = { | |
636 | {SSL_OP_NO_SSLv3, 0}, /* no_ssl3 */ | |
637 | {SSL_OP_NO_TLSv1, 0}, /* no_tls1 */ | |
638 | {SSL_OP_NO_TLSv1_1, 0}, /* no_tls1_1 */ | |
639 | {SSL_OP_NO_TLSv1_2, 0}, /* no_tls1_2 */ | |
640 | {SSL_OP_ALL, 0}, /* bugs */ | |
cc5a9ba4 VD |
641 | {SSL_OP_NO_COMPRESSION, 0}, /* no_comp */ |
642 | {SSL_OP_NO_COMPRESSION, SSL_TFLAG_INV}, /* comp */ | |
656b2605 | 643 | {SSL_OP_SINGLE_ECDH_USE, 0}, /* ecdh_single */ |
656b2605 | 644 | {SSL_OP_NO_TICKET, 0}, /* no_ticket */ |
656b2605 DSH |
645 | {SSL_OP_CIPHER_SERVER_PREFERENCE, 0}, /* serverpref */ |
646 | /* legacy_renegotiation */ | |
647 | {SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION, 0}, | |
648 | /* legacy_server_connect */ | |
649 | {SSL_OP_LEGACY_SERVER_CONNECT, 0}, | |
650 | /* no_resumption_on_reneg */ | |
651 | {SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION, 0}, | |
652 | /* no_legacy_server_connect */ | |
653 | {SSL_OP_LEGACY_SERVER_CONNECT, SSL_TFLAG_INV}, | |
654 | {SSL_CERT_FLAG_TLS_STRICT, SSL_TFLAG_CERT}, /* strict */ | |
655 | #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL | |
656 | {SSL_CERT_FLAG_BROKEN_PROTOCOL, SSL_TFLAG_CERT} /* debug_broken_protocol */ | |
c557f921 | 657 | #endif |
3db935a9 DSH |
658 | }; |
659 | ||
ec2f7e56 | 660 | static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd) |
0f113f3e MC |
661 | { |
662 | if (!pcmd || !*pcmd) | |
663 | return 0; | |
664 | /* If a prefix is set, check and skip */ | |
665 | if (cctx->prefix) { | |
666 | if (strlen(*pcmd) <= cctx->prefixlen) | |
667 | return 0; | |
668 | if (cctx->flags & SSL_CONF_FLAG_CMDLINE && | |
669 | strncmp(*pcmd, cctx->prefix, cctx->prefixlen)) | |
670 | return 0; | |
671 | if (cctx->flags & SSL_CONF_FLAG_FILE && | |
672 | strncasecmp(*pcmd, cctx->prefix, cctx->prefixlen)) | |
673 | return 0; | |
674 | *pcmd += cctx->prefixlen; | |
675 | } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) { | |
676 | if (**pcmd != '-' || !(*pcmd)[1]) | |
677 | return 0; | |
678 | *pcmd += 1; | |
679 | } | |
680 | return 1; | |
681 | } | |
682 | ||
656b2605 DSH |
683 | /* Determine if a command is allowed according to cctx flags */ |
684 | static int ssl_conf_cmd_allowed(SSL_CONF_CTX *cctx, | |
685 | const ssl_conf_cmd_tbl * t) | |
686 | { | |
687 | unsigned int tfl = t->flags; | |
688 | unsigned int cfl = cctx->flags; | |
689 | if ((tfl & SSL_CONF_FLAG_SERVER) && !(cfl & SSL_CONF_FLAG_SERVER)) | |
690 | return 0; | |
691 | if ((tfl & SSL_CONF_FLAG_CLIENT) && !(cfl & SSL_CONF_FLAG_CLIENT)) | |
692 | return 0; | |
693 | if ((tfl & SSL_CONF_FLAG_CERTIFICATE) | |
694 | && !(cfl & SSL_CONF_FLAG_CERTIFICATE)) | |
695 | return 0; | |
696 | return 1; | |
697 | } | |
698 | ||
0f113f3e MC |
699 | static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx, |
700 | const char *cmd) | |
701 | { | |
702 | const ssl_conf_cmd_tbl *t; | |
703 | size_t i; | |
704 | if (cmd == NULL) | |
705 | return NULL; | |
706 | ||
707 | /* Look for matching parameter name in table */ | |
b6eb9827 | 708 | for (i = 0, t = ssl_conf_cmds; i < OSSL_NELEM(ssl_conf_cmds); i++, t++) { |
656b2605 DSH |
709 | if (ssl_conf_cmd_allowed(cctx, t)) { |
710 | if (cctx->flags & SSL_CONF_FLAG_CMDLINE) { | |
86885c28 | 711 | if (t->str_cmdline && strcmp(t->str_cmdline, cmd) == 0) |
656b2605 DSH |
712 | return t; |
713 | } | |
714 | if (cctx->flags & SSL_CONF_FLAG_FILE) { | |
86885c28 | 715 | if (t->str_file && strcasecmp(t->str_file, cmd) == 0) |
656b2605 DSH |
716 | return t; |
717 | } | |
0f113f3e MC |
718 | } |
719 | } | |
720 | return NULL; | |
721 | } | |
ec2f7e56 | 722 | |
656b2605 DSH |
723 | static int ctrl_switch_option(SSL_CONF_CTX *cctx, |
724 | const ssl_conf_cmd_tbl * cmd) | |
725 | { | |
726 | /* Find index of command in table */ | |
727 | size_t idx = cmd - ssl_conf_cmds; | |
728 | const ssl_switch_tbl *scmd; | |
729 | /* Sanity check index */ | |
730 | if (idx >= OSSL_NELEM(ssl_cmd_switches)) | |
731 | return 0; | |
732 | /* Obtain switches entry with same index */ | |
733 | scmd = ssl_cmd_switches + idx; | |
734 | ssl_set_option(cctx, scmd->name_flags, scmd->option_value, 1); | |
735 | return 1; | |
736 | } | |
737 | ||
ec2f7e56 | 738 | int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value) |
0f113f3e MC |
739 | { |
740 | const ssl_conf_cmd_tbl *runcmd; | |
741 | if (cmd == NULL) { | |
742 | SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME); | |
743 | return 0; | |
744 | } | |
745 | ||
746 | if (!ssl_conf_cmd_skip_prefix(cctx, &cmd)) | |
747 | return -2; | |
748 | ||
749 | runcmd = ssl_conf_cmd_lookup(cctx, cmd); | |
750 | ||
751 | if (runcmd) { | |
752 | int rv; | |
656b2605 DSH |
753 | if (runcmd->value_type == SSL_CONF_TYPE_NONE) { |
754 | return ctrl_switch_option(cctx, runcmd); | |
755 | } | |
0f113f3e MC |
756 | if (value == NULL) |
757 | return -3; | |
758 | rv = runcmd->cmd(cctx, value); | |
759 | if (rv > 0) | |
760 | return 2; | |
761 | if (rv == -2) | |
762 | return -2; | |
763 | if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) { | |
764 | SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_BAD_VALUE); | |
765 | ERR_add_error_data(4, "cmd=", cmd, ", value=", value); | |
766 | } | |
767 | return 0; | |
768 | } | |
769 | ||
0f113f3e MC |
770 | if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) { |
771 | SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_UNKNOWN_CMD_NAME); | |
772 | ERR_add_error_data(2, "cmd=", cmd); | |
773 | } | |
774 | ||
775 | return -2; | |
776 | } | |
3db935a9 DSH |
777 | |
778 | int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv) | |
0f113f3e MC |
779 | { |
780 | int rv; | |
781 | const char *arg = NULL, *argn; | |
782 | if (pargc && *pargc == 0) | |
783 | return 0; | |
784 | if (!pargc || *pargc > 0) | |
785 | arg = **pargv; | |
786 | if (arg == NULL) | |
787 | return 0; | |
788 | if (!pargc || *pargc > 1) | |
789 | argn = (*pargv)[1]; | |
790 | else | |
791 | argn = NULL; | |
792 | cctx->flags &= ~SSL_CONF_FLAG_FILE; | |
793 | cctx->flags |= SSL_CONF_FLAG_CMDLINE; | |
794 | rv = SSL_CONF_cmd(cctx, arg, argn); | |
795 | if (rv > 0) { | |
796 | /* Success: update pargc, pargv */ | |
797 | (*pargv) += rv; | |
798 | if (pargc) | |
799 | (*pargc) -= rv; | |
800 | return rv; | |
801 | } | |
802 | /* Unknown switch: indicate no arguments processed */ | |
803 | if (rv == -2) | |
804 | return 0; | |
805 | /* Some error occurred processing command, return fatal error */ | |
806 | if (rv == 0) | |
807 | return -1; | |
808 | return rv; | |
809 | } | |
3db935a9 | 810 | |
ec2f7e56 | 811 | int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd) |
0f113f3e MC |
812 | { |
813 | if (ssl_conf_cmd_skip_prefix(cctx, &cmd)) { | |
814 | const ssl_conf_cmd_tbl *runcmd; | |
815 | runcmd = ssl_conf_cmd_lookup(cctx, cmd); | |
816 | if (runcmd) | |
817 | return runcmd->value_type; | |
818 | } | |
819 | return SSL_CONF_TYPE_UNKNOWN; | |
820 | } | |
ec2f7e56 | 821 | |
3db935a9 | 822 | SSL_CONF_CTX *SSL_CONF_CTX_new(void) |
0f113f3e | 823 | { |
64b25758 | 824 | SSL_CONF_CTX *ret = OPENSSL_zalloc(sizeof(*ret)); |
b4faea50 | 825 | |
0f113f3e MC |
826 | return ret; |
827 | } | |
3db935a9 | 828 | |
ec2f7e56 | 829 | int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx) |
0f113f3e | 830 | { |
2011b169 DSH |
831 | /* See if any certificates are missing private keys */ |
832 | size_t i; | |
833 | CERT *c = NULL; | |
834 | if (cctx->ctx) | |
835 | c = cctx->ctx->cert; | |
836 | else if (cctx->ssl) | |
837 | c = cctx->ssl->cert; | |
838 | if (c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) { | |
839 | for (i = 0; i < SSL_PKEY_NUM; i++) { | |
840 | const char *p = cctx->cert_filename[i]; | |
841 | /* | |
842 | * If missing private key try to load one from certificate file | |
843 | */ | |
844 | if (p && !c->pkeys[i].privatekey) { | |
845 | if (!cmd_PrivateKey(cctx, p)) | |
846 | return 0; | |
847 | } | |
848 | } | |
849 | } | |
429261d0 DSH |
850 | if (cctx->canames) { |
851 | if (cctx->ssl) | |
852 | SSL_set_client_CA_list(cctx->ssl, cctx->canames); | |
853 | else if (cctx->ctx) | |
854 | SSL_CTX_set_client_CA_list(cctx->ctx, cctx->canames); | |
855 | else | |
856 | sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free); | |
857 | cctx->canames = NULL; | |
858 | } | |
0f113f3e MC |
859 | return 1; |
860 | } | |
ec2f7e56 | 861 | |
3db935a9 | 862 | void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx) |
0f113f3e MC |
863 | { |
864 | if (cctx) { | |
2011b169 | 865 | size_t i; |
656b2605 | 866 | for (i = 0; i < SSL_PKEY_NUM; i++) |
b548a1f1 | 867 | OPENSSL_free(cctx->cert_filename[i]); |
b548a1f1 | 868 | OPENSSL_free(cctx->prefix); |
429261d0 | 869 | sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free); |
4445704f | 870 | OPENSSL_free(cctx); |
0f113f3e MC |
871 | } |
872 | } | |
3db935a9 DSH |
873 | |
874 | unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags) | |
0f113f3e MC |
875 | { |
876 | cctx->flags |= flags; | |
877 | return cctx->flags; | |
878 | } | |
3db935a9 DSH |
879 | |
880 | unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags) | |
0f113f3e MC |
881 | { |
882 | cctx->flags &= ~flags; | |
883 | return cctx->flags; | |
884 | } | |
3db935a9 DSH |
885 | |
886 | int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre) | |
0f113f3e MC |
887 | { |
888 | char *tmp = NULL; | |
889 | if (pre) { | |
7644a9ae | 890 | tmp = OPENSSL_strdup(pre); |
0f113f3e MC |
891 | if (tmp == NULL) |
892 | return 0; | |
893 | } | |
b548a1f1 | 894 | OPENSSL_free(cctx->prefix); |
0f113f3e MC |
895 | cctx->prefix = tmp; |
896 | if (tmp) | |
897 | cctx->prefixlen = strlen(tmp); | |
898 | else | |
899 | cctx->prefixlen = 0; | |
900 | return 1; | |
901 | } | |
3db935a9 DSH |
902 | |
903 | void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl) | |
0f113f3e MC |
904 | { |
905 | cctx->ssl = ssl; | |
906 | cctx->ctx = NULL; | |
907 | if (ssl) { | |
908 | cctx->poptions = &ssl->options; | |
7946ab33 KR |
909 | cctx->min_version = &ssl->min_proto_version; |
910 | cctx->max_version = &ssl->max_proto_version; | |
0f113f3e | 911 | cctx->pcert_flags = &ssl->cert->cert_flags; |
429261d0 | 912 | cctx->pvfy_flags = &ssl->verify_mode; |
0f113f3e MC |
913 | } else { |
914 | cctx->poptions = NULL; | |
7946ab33 KR |
915 | cctx->min_version = NULL; |
916 | cctx->max_version = NULL; | |
0f113f3e | 917 | cctx->pcert_flags = NULL; |
429261d0 | 918 | cctx->pvfy_flags = NULL; |
0f113f3e MC |
919 | } |
920 | } | |
3db935a9 DSH |
921 | |
922 | void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx) | |
0f113f3e MC |
923 | { |
924 | cctx->ctx = ctx; | |
925 | cctx->ssl = NULL; | |
926 | if (ctx) { | |
927 | cctx->poptions = &ctx->options; | |
7946ab33 KR |
928 | cctx->min_version = &ctx->min_proto_version; |
929 | cctx->max_version = &ctx->max_proto_version; | |
0f113f3e | 930 | cctx->pcert_flags = &ctx->cert->cert_flags; |
429261d0 | 931 | cctx->pvfy_flags = &ctx->verify_mode; |
0f113f3e MC |
932 | } else { |
933 | cctx->poptions = NULL; | |
7946ab33 KR |
934 | cctx->min_version = NULL; |
935 | cctx->max_version = NULL; | |
0f113f3e | 936 | cctx->pcert_flags = NULL; |
429261d0 | 937 | cctx->pvfy_flags = NULL; |
0f113f3e MC |
938 | } |
939 | } |