2 * ! \file ssl/ssl_conf.c \brief SSL configuration functions
4 /* ====================================================================
5 * Copyright (c) 2012 The OpenSSL Project. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
33 * 6. Redistributions of any form whatsoever must retain the following
35 * "This product includes software developed by the OpenSSL Project
36 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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).
63 #include <openssl/conf.h>
64 #include <openssl/objects.h>
66 # include <openssl/dh.h>
70 * structure holding name tables. This is used for pemitted elements in lists
77 unsigned int name_flags;
78 unsigned long option_value;
81 /* Switch table: use for single command line switches like no_tls2 */
83 unsigned long option_value;
84 unsigned int name_flags;
87 /* Sense of name is inverted e.g. "TLSv1" will clear SSL_OP_NO_TLSv1 */
88 #define SSL_TFLAG_INV 0x1
89 /* Flags refers to cert_flags not options */
90 #define SSL_TFLAG_CERT 0x2
91 /* Option can only be used for clients */
92 #define SSL_TFLAG_CLIENT SSL_CONF_FLAG_CLIENT
93 /* Option can only be used for servers */
94 #define SSL_TFLAG_SERVER SSL_CONF_FLAG_SERVER
95 #define SSL_TFLAG_BOTH (SSL_TFLAG_CLIENT|SSL_TFLAG_SERVER)
97 #define SSL_FLAG_TBL(str, flag) \
98 {str, (int)(sizeof(str) - 1), SSL_TFLAG_BOTH, flag}
99 #define SSL_FLAG_TBL_SRV(str, flag) \
100 {str, (int)(sizeof(str) - 1), SSL_TFLAG_SERVER, flag}
101 #define SSL_FLAG_TBL_CLI(str, flag) \
102 {str, (int)(sizeof(str) - 1), SSL_TFLAG_CLIENT, flag}
103 #define SSL_FLAG_TBL_INV(str, flag) \
104 {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_BOTH, flag}
105 #define SSL_FLAG_TBL_SRV_INV(str, flag) \
106 {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_SERVER, flag}
107 #define SSL_FLAG_TBL_CERT(str, flag) \
108 {str, (int)(sizeof(str) - 1), SSL_TFLAG_CERT|SSL_TFLAG_BOTH, flag}
111 * Opaque structure containing SSL configuration context.
114 struct ssl_conf_ctx_st {
116 * Various flags indicating (among other things) which options we will
120 /* Prefix and length of commands */
123 /* SSL_CTX or SSL structure to perform operations on */
126 /* Pointer to SSL or SSL_CTX options field or NULL if none */
127 unsigned long *poptions;
128 /* Certificate filenames for each type */
129 char *cert_filename[SSL_PKEY_NUM];
130 /* Pointer to SSL or SSL_CTX cert_flags or NULL if none */
131 unsigned int *pcert_flags;
132 /* Current flag table being worked on */
133 const ssl_flag_tbl *tbl;
138 static void ssl_set_option(SSL_CONF_CTX *cctx, unsigned int name_flags,
139 unsigned long option_value, int onoff)
141 if (cctx->poptions == NULL)
143 if (name_flags & SSL_TFLAG_INV)
145 if (name_flags & SSL_TFLAG_CERT) {
147 *cctx->pcert_flags |= option_value;
149 *cctx->pcert_flags &= ~option_value;
152 *cctx->poptions |= option_value;
154 *cctx->poptions &= ~option_value;
158 static int ssl_match_option(SSL_CONF_CTX *cctx, const ssl_flag_tbl *tbl,
159 const char *name, int namelen, int onoff)
161 /* If name not relevant for context skip */
162 if (!(cctx->flags & tbl->name_flags & SSL_TFLAG_BOTH))
165 if (strcmp(tbl->name, name))
167 } else if (tbl->namelen != namelen
168 || strncasecmp(tbl->name, name, namelen))
170 ssl_set_option(cctx, tbl->name_flags, tbl->option_value, onoff);
174 static int ssl_set_option_list(const char *elem, int len, void *usr)
176 SSL_CONF_CTX *cctx = usr;
178 const ssl_flag_tbl *tbl;
181 * len == -1 indicates not being called in list context, just for single
182 * command line switches, so don't allow +, -.
191 } else if (*elem == '-') {
197 for (i = 0, tbl = cctx->tbl; i < cctx->ntbl; i++, tbl++) {
198 if (ssl_match_option(cctx, tbl, elem, len, onoff))
204 /* Set supported signature algorithms */
205 static int cmd_SignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value)
209 rv = SSL_set1_sigalgs_list(cctx->ssl, value);
210 /* NB: ctx == NULL performs syntax checking only */
212 rv = SSL_CTX_set1_sigalgs_list(cctx->ctx, value);
216 /* Set supported client signature algorithms */
217 static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx,
222 rv = SSL_set1_client_sigalgs_list(cctx->ssl, value);
223 /* NB: ctx == NULL performs syntax checking only */
225 rv = SSL_CTX_set1_client_sigalgs_list(cctx->ctx, value);
229 static int cmd_Curves(SSL_CONF_CTX *cctx, const char *value)
233 rv = SSL_set1_curves_list(cctx->ssl, value);
234 /* NB: ctx == NULL performs syntax checking only */
236 rv = SSL_CTX_set1_curves_list(cctx->ctx, value);
240 #ifndef OPENSSL_NO_EC
241 /* ECDH temporary parameters */
242 static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
244 int onoff = -1, rv = 1;
245 if (cctx->flags & SSL_CONF_FLAG_FILE) {
254 if (!strcasecmp(value, "automatic")) {
257 } else if (onoff != -1)
259 } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
260 if (!strcmp(value, "auto"))
266 rv = SSL_CTX_set_ecdh_auto(cctx->ctx, onoff);
268 rv = SSL_set_ecdh_auto(cctx->ssl, onoff);
272 nid = EC_curve_nist2nid(value);
273 if (nid == NID_undef)
274 nid = OBJ_sn2nid(value);
277 ecdh = EC_KEY_new_by_curve_name(nid);
281 rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh);
283 rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh);
290 static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value)
294 rv = SSL_CTX_set_cipher_list(cctx->ctx, value);
296 rv = SSL_set_cipher_list(cctx->ssl, value);
300 static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value)
302 static const ssl_flag_tbl ssl_protocol_list[] = {
303 SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK),
304 SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2),
305 SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3),
306 SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1),
307 SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1),
308 SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2)
310 cctx->tbl = ssl_protocol_list;
311 cctx->ntbl = OSSL_NELEM(ssl_protocol_list);
312 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
315 static int cmd_Options(SSL_CONF_CTX *cctx, const char *value)
317 static const ssl_flag_tbl ssl_option_list[] = {
318 SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET),
319 SSL_FLAG_TBL_INV("EmptyFragments",
320 SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS),
321 SSL_FLAG_TBL("Bugs", SSL_OP_ALL),
322 SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION),
323 SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE),
324 SSL_FLAG_TBL_SRV("NoResumptionOnRenegotiation",
325 SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION),
326 SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE),
327 SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE),
328 SSL_FLAG_TBL("UnsafeLegacyRenegotiation",
329 SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION),
333 cctx->tbl = ssl_option_list;
334 cctx->ntbl = OSSL_NELEM(ssl_option_list);
335 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
338 static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value)
343 rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value);
347 rv = SSL_use_certificate_file(cctx->ssl, value, SSL_FILETYPE_PEM);
350 if (rv > 0 && c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
351 char **pfilename = &cctx->cert_filename[c->key - c->pkeys];
352 OPENSSL_free(*pfilename);
353 *pfilename = BUF_strdup(value);
361 static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value)
364 if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE))
367 rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM);
369 rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM);
373 static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value)
377 rv = SSL_CTX_use_serverinfo_file(cctx->ctx, value);
381 #ifndef OPENSSL_NO_DH
382 static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value)
387 if (cctx->ctx || cctx->ssl) {
388 in = BIO_new(BIO_s_file_internal());
391 if (BIO_read_filename(in, value) <= 0)
393 dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
399 rv = SSL_CTX_set_tmp_dh(cctx->ctx, dh);
401 rv = SSL_set_tmp_dh(cctx->ssl, dh);
409 int (*cmd) (SSL_CONF_CTX *cctx, const char *value);
410 const char *str_file;
411 const char *str_cmdline;
412 unsigned short flags;
413 unsigned short value_type;
416 /* Table of supported parameters */
418 #define SSL_CONF_CMD(name, cmdopt, flags, type) \
419 {cmd_##name, #name, cmdopt, flags, type}
421 #define SSL_CONF_CMD_STRING(name, cmdopt, flags) \
422 SSL_CONF_CMD(name, cmdopt, flags, SSL_CONF_TYPE_STRING)
424 #define SSL_CONF_CMD_SWITCH(name, flags) \
425 {0, NULL, name, flags, SSL_CONF_TYPE_NONE}
427 /* See apps/apps.h if you change this table. */
428 static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
429 SSL_CONF_CMD_SWITCH("no_ssl3", 0),
430 SSL_CONF_CMD_SWITCH("no_tls1", 0),
431 SSL_CONF_CMD_SWITCH("no_tls1_1", 0),
432 SSL_CONF_CMD_SWITCH("no_tls1_2", 0),
433 SSL_CONF_CMD_SWITCH("bugs", 0),
434 SSL_CONF_CMD_SWITCH("no_comp", 0),
435 SSL_CONF_CMD_SWITCH("ecdh_single", SSL_CONF_FLAG_SERVER),
436 #ifndef OPENSSL_NO_TLSEXT
437 SSL_CONF_CMD_SWITCH("no_ticket", 0),
439 SSL_CONF_CMD_SWITCH("serverpref", SSL_CONF_FLAG_SERVER),
440 SSL_CONF_CMD_SWITCH("legacy_renegotiation", 0),
441 SSL_CONF_CMD_SWITCH("legacy_server_connect", SSL_CONF_FLAG_SERVER),
442 SSL_CONF_CMD_SWITCH("no_resumption_on_reneg", SSL_CONF_FLAG_SERVER),
443 SSL_CONF_CMD_SWITCH("no_legacy_server_connect", SSL_CONF_FLAG_SERVER),
444 SSL_CONF_CMD_SWITCH("strict", 0),
445 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
446 SSL_CONF_CMD_SWITCH("debug_broken_protocol", 0),
448 SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs", 0),
449 SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0),
450 SSL_CONF_CMD_STRING(Curves, "curves", 0),
451 #ifndef OPENSSL_NO_EC
452 SSL_CONF_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER),
454 SSL_CONF_CMD_STRING(CipherString, "cipher", 0),
455 SSL_CONF_CMD_STRING(Protocol, NULL, 0),
456 SSL_CONF_CMD_STRING(Options, NULL, 0),
457 SSL_CONF_CMD(Certificate, "cert", SSL_CONF_FLAG_CERTIFICATE,
459 SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_FLAG_CERTIFICATE,
461 SSL_CONF_CMD(ServerInfoFile, NULL,
462 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
464 #ifndef OPENSSL_NO_DH
465 SSL_CONF_CMD(DHParameters, "dhparam",
466 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
471 /* Supported switches: must match order of switches in ssl_conf_cmds */
472 static const ssl_switch_tbl ssl_cmd_switches[] = {
473 {SSL_OP_NO_SSLv3, 0}, /* no_ssl3 */
474 {SSL_OP_NO_TLSv1, 0}, /* no_tls1 */
475 {SSL_OP_NO_TLSv1_1, 0}, /* no_tls1_1 */
476 {SSL_OP_NO_TLSv1_2, 0}, /* no_tls1_2 */
477 {SSL_OP_ALL, 0}, /* bugs */
478 {SSL_OP_NO_COMPRESSION, 0}, /* no_comp */
479 {SSL_OP_SINGLE_ECDH_USE, 0}, /* ecdh_single */
480 #ifndef OPENSSL_NO_TLSEXT
481 {SSL_OP_NO_TICKET, 0}, /* no_ticket */
483 {SSL_OP_CIPHER_SERVER_PREFERENCE, 0}, /* serverpref */
484 /* legacy_renegotiation */
485 {SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION, 0},
486 /* legacy_server_connect */
487 {SSL_OP_LEGACY_SERVER_CONNECT, 0},
488 /* no_resumption_on_reneg */
489 {SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION, 0},
490 /* no_legacy_server_connect */
491 {SSL_OP_LEGACY_SERVER_CONNECT, SSL_TFLAG_INV},
492 {SSL_CERT_FLAG_TLS_STRICT, SSL_TFLAG_CERT}, /* strict */
493 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
494 {SSL_CERT_FLAG_BROKEN_PROTOCOL, SSL_TFLAG_CERT} /* debug_broken_protocol */
498 static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd)
502 /* If a prefix is set, check and skip */
504 if (strlen(*pcmd) <= cctx->prefixlen)
506 if (cctx->flags & SSL_CONF_FLAG_CMDLINE &&
507 strncmp(*pcmd, cctx->prefix, cctx->prefixlen))
509 if (cctx->flags & SSL_CONF_FLAG_FILE &&
510 strncasecmp(*pcmd, cctx->prefix, cctx->prefixlen))
512 *pcmd += cctx->prefixlen;
513 } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
514 if (**pcmd != '-' || !(*pcmd)[1])
521 /* Determine if a command is allowed according to cctx flags */
522 static int ssl_conf_cmd_allowed(SSL_CONF_CTX *cctx,
523 const ssl_conf_cmd_tbl * t)
525 unsigned int tfl = t->flags;
526 unsigned int cfl = cctx->flags;
527 if ((tfl & SSL_CONF_FLAG_SERVER) && !(cfl & SSL_CONF_FLAG_SERVER))
529 if ((tfl & SSL_CONF_FLAG_CLIENT) && !(cfl & SSL_CONF_FLAG_CLIENT))
531 if ((tfl & SSL_CONF_FLAG_CERTIFICATE)
532 && !(cfl & SSL_CONF_FLAG_CERTIFICATE))
537 static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx,
540 const ssl_conf_cmd_tbl *t;
545 /* Look for matching parameter name in table */
546 for (i = 0, t = ssl_conf_cmds; i < OSSL_NELEM(ssl_conf_cmds); i++, t++) {
547 if (ssl_conf_cmd_allowed(cctx, t)) {
548 if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
549 if (t->str_cmdline && !strcmp(t->str_cmdline, cmd))
552 if (cctx->flags & SSL_CONF_FLAG_FILE) {
553 if (t->str_file && !strcasecmp(t->str_file, cmd))
561 static int ctrl_switch_option(SSL_CONF_CTX *cctx,
562 const ssl_conf_cmd_tbl * cmd)
564 /* Find index of command in table */
565 size_t idx = cmd - ssl_conf_cmds;
566 const ssl_switch_tbl *scmd;
567 /* Sanity check index */
568 if (idx >= OSSL_NELEM(ssl_cmd_switches))
570 /* Obtain switches entry with same index */
571 scmd = ssl_cmd_switches + idx;
572 ssl_set_option(cctx, scmd->name_flags, scmd->option_value, 1);
576 int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value)
578 const ssl_conf_cmd_tbl *runcmd;
580 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME);
584 if (!ssl_conf_cmd_skip_prefix(cctx, &cmd))
587 runcmd = ssl_conf_cmd_lookup(cctx, cmd);
591 if (runcmd->value_type == SSL_CONF_TYPE_NONE) {
592 return ctrl_switch_option(cctx, runcmd);
596 rv = runcmd->cmd(cctx, value);
601 if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
602 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_BAD_VALUE);
603 ERR_add_error_data(4, "cmd=", cmd, ", value=", value);
608 if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
609 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_UNKNOWN_CMD_NAME);
610 ERR_add_error_data(2, "cmd=", cmd);
616 int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv)
619 const char *arg = NULL, *argn;
620 if (pargc && *pargc == 0)
622 if (!pargc || *pargc > 0)
626 if (!pargc || *pargc > 1)
630 cctx->flags &= ~SSL_CONF_FLAG_FILE;
631 cctx->flags |= SSL_CONF_FLAG_CMDLINE;
632 rv = SSL_CONF_cmd(cctx, arg, argn);
634 /* Success: update pargc, pargv */
640 /* Unknown switch: indicate no arguments processed */
643 /* Some error occurred processing command, return fatal error */
649 int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd)
651 if (ssl_conf_cmd_skip_prefix(cctx, &cmd)) {
652 const ssl_conf_cmd_tbl *runcmd;
653 runcmd = ssl_conf_cmd_lookup(cctx, cmd);
655 return runcmd->value_type;
657 return SSL_CONF_TYPE_UNKNOWN;
660 SSL_CONF_CTX *SSL_CONF_CTX_new(void)
662 SSL_CONF_CTX *ret = OPENSSL_malloc(sizeof(*ret));
671 ret->poptions = NULL;
672 ret->pcert_flags = NULL;
675 for (i = 0; i < SSL_PKEY_NUM; i++)
676 ret->cert_filename[i] = NULL;
681 int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx)
683 /* See if any certificates are missing private keys */
690 if (c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
691 for (i = 0; i < SSL_PKEY_NUM; i++) {
692 const char *p = cctx->cert_filename[i];
694 * If missing private key try to load one from certificate file
696 if (p && !c->pkeys[i].privatekey) {
697 if (!cmd_PrivateKey(cctx, p))
705 void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx)
709 for (i = 0; i < SSL_PKEY_NUM; i++)
710 OPENSSL_free(cctx->cert_filename[i]);
711 OPENSSL_free(cctx->prefix);
716 unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags)
718 cctx->flags |= flags;
722 unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags)
724 cctx->flags &= ~flags;
728 int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre)
732 tmp = BUF_strdup(pre);
736 OPENSSL_free(cctx->prefix);
739 cctx->prefixlen = strlen(tmp);
745 void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl)
750 cctx->poptions = &ssl->options;
751 cctx->pcert_flags = &ssl->cert->cert_flags;
753 cctx->poptions = NULL;
754 cctx->pcert_flags = NULL;
758 void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx)
763 cctx->poptions = &ctx->options;
764 cctx->pcert_flags = &ctx->cert->cert_flags;
766 cctx->poptions = NULL;
767 cctx->pcert_flags = NULL;