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 /* Mask for type of flag referred to */
90 #define SSL_TFLAG_TYPE_MASK 0xf00
91 /* Flag is for options */
92 #define SSL_TFLAG_OPTION 0x000
93 /* Flag is for cert_flags */
94 #define SSL_TFLAG_CERT 0x100
95 /* Flag is for verify mode */
96 #define SSL_TFLAG_VFY 0x200
97 /* Option can only be used for clients */
98 #define SSL_TFLAG_CLIENT SSL_CONF_FLAG_CLIENT
99 /* Option can only be used for servers */
100 #define SSL_TFLAG_SERVER SSL_CONF_FLAG_SERVER
101 #define SSL_TFLAG_BOTH (SSL_TFLAG_CLIENT|SSL_TFLAG_SERVER)
103 #define SSL_FLAG_TBL(str, flag) \
104 {str, (int)(sizeof(str) - 1), SSL_TFLAG_BOTH, flag}
105 #define SSL_FLAG_TBL_SRV(str, flag) \
106 {str, (int)(sizeof(str) - 1), SSL_TFLAG_SERVER, flag}
107 #define SSL_FLAG_TBL_CLI(str, flag) \
108 {str, (int)(sizeof(str) - 1), SSL_TFLAG_CLIENT, flag}
109 #define SSL_FLAG_TBL_INV(str, flag) \
110 {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_BOTH, flag}
111 #define SSL_FLAG_TBL_SRV_INV(str, flag) \
112 {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_SERVER, flag}
113 #define SSL_FLAG_TBL_CERT(str, flag) \
114 {str, (int)(sizeof(str) - 1), SSL_TFLAG_CERT|SSL_TFLAG_BOTH, flag}
116 #define SSL_FLAG_VFY_CLI(str, flag) \
117 {str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_CLIENT, flag}
118 #define SSL_FLAG_VFY_SRV(str, flag) \
119 {str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_SERVER, flag}
122 * Opaque structure containing SSL configuration context.
125 struct ssl_conf_ctx_st {
127 * Various flags indicating (among other things) which options we will
131 /* Prefix and length of commands */
134 /* SSL_CTX or SSL structure to perform operations on */
137 /* Pointer to SSL or SSL_CTX options field or NULL if none */
139 /* Certificate filenames for each type */
140 char *cert_filename[SSL_PKEY_NUM];
141 /* Pointer to SSL or SSL_CTX cert_flags or NULL if none */
142 uint32_t *pcert_flags;
143 /* Pointer to SSL or SSL_CTX verify_mode or NULL if none */
144 uint32_t *pvfy_flags;
145 /* Current flag table being worked on */
146 const ssl_flag_tbl *tbl;
149 /* Client CA names */
150 STACK_OF(X509_NAME) *canames;
153 static void ssl_set_option(SSL_CONF_CTX *cctx, unsigned int name_flags,
154 unsigned long option_value, int onoff)
157 if (cctx->poptions == NULL)
159 if (name_flags & SSL_TFLAG_INV)
161 switch (name_flags & SSL_TFLAG_TYPE_MASK) {
164 pflags = cctx->pcert_flags;
168 pflags = cctx->pvfy_flags;
171 case SSL_TFLAG_OPTION:
172 pflags = cctx->poptions;
180 *pflags |= option_value;
182 *pflags &= ~option_value;
185 static int ssl_match_option(SSL_CONF_CTX *cctx, const ssl_flag_tbl *tbl,
186 const char *name, int namelen, int onoff)
188 /* If name not relevant for context skip */
189 if (!(cctx->flags & tbl->name_flags & SSL_TFLAG_BOTH))
192 if (strcmp(tbl->name, name))
194 } else if (tbl->namelen != namelen
195 || strncasecmp(tbl->name, name, namelen))
197 ssl_set_option(cctx, tbl->name_flags, tbl->option_value, onoff);
201 static int ssl_set_option_list(const char *elem, int len, void *usr)
203 SSL_CONF_CTX *cctx = usr;
205 const ssl_flag_tbl *tbl;
208 * len == -1 indicates not being called in list context, just for single
209 * command line switches, so don't allow +, -.
218 } else if (*elem == '-') {
224 for (i = 0, tbl = cctx->tbl; i < cctx->ntbl; i++, tbl++) {
225 if (ssl_match_option(cctx, tbl, elem, len, onoff))
231 /* Set supported signature algorithms */
232 static int cmd_SignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value)
236 rv = SSL_set1_sigalgs_list(cctx->ssl, value);
237 /* NB: ctx == NULL performs syntax checking only */
239 rv = SSL_CTX_set1_sigalgs_list(cctx->ctx, value);
243 /* Set supported client signature algorithms */
244 static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx,
249 rv = SSL_set1_client_sigalgs_list(cctx->ssl, value);
250 /* NB: ctx == NULL performs syntax checking only */
252 rv = SSL_CTX_set1_client_sigalgs_list(cctx->ctx, value);
256 static int cmd_Curves(SSL_CONF_CTX *cctx, const char *value)
260 rv = SSL_set1_curves_list(cctx->ssl, value);
261 /* NB: ctx == NULL performs syntax checking only */
263 rv = SSL_CTX_set1_curves_list(cctx->ctx, value);
267 #ifndef OPENSSL_NO_EC
268 /* ECDH temporary parameters */
269 static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
275 nid = EC_curve_nist2nid(value);
276 if (nid == NID_undef)
277 nid = OBJ_sn2nid(value);
280 ecdh = EC_KEY_new_by_curve_name(nid);
284 rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh);
286 rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh);
292 static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value)
296 rv = SSL_CTX_set_cipher_list(cctx->ctx, value);
298 rv = SSL_set_cipher_list(cctx->ssl, value);
302 static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value)
304 static const ssl_flag_tbl ssl_protocol_list[] = {
305 SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK),
306 SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2),
307 SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3),
308 SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1),
309 SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1),
310 SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2)
312 cctx->tbl = ssl_protocol_list;
313 cctx->ntbl = OSSL_NELEM(ssl_protocol_list);
314 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
317 static int cmd_Options(SSL_CONF_CTX *cctx, const char *value)
319 static const ssl_flag_tbl ssl_option_list[] = {
320 SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET),
321 SSL_FLAG_TBL_INV("EmptyFragments",
322 SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS),
323 SSL_FLAG_TBL("Bugs", SSL_OP_ALL),
324 SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION),
325 SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE),
326 SSL_FLAG_TBL_SRV("NoResumptionOnRenegotiation",
327 SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION),
328 SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE),
329 SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE),
330 SSL_FLAG_TBL("UnsafeLegacyRenegotiation",
331 SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION),
335 cctx->tbl = ssl_option_list;
336 cctx->ntbl = OSSL_NELEM(ssl_option_list);
337 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
340 static int cmd_VerifyMode(SSL_CONF_CTX *cctx, const char *value)
342 static const ssl_flag_tbl ssl_vfy_list[] = {
343 SSL_FLAG_VFY_CLI("Peer", SSL_VERIFY_PEER),
344 SSL_FLAG_VFY_SRV("Request", SSL_VERIFY_PEER),
345 SSL_FLAG_VFY_SRV("Require",
346 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT),
347 SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE)
351 cctx->tbl = ssl_vfy_list;
352 cctx->ntbl = OSSL_NELEM(ssl_vfy_list);
353 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
356 static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value)
361 rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value);
365 rv = SSL_use_certificate_chain_file(cctx->ssl, value);
368 if (rv > 0 && c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
369 char **pfilename = &cctx->cert_filename[c->key - c->pkeys];
370 OPENSSL_free(*pfilename);
371 *pfilename = OPENSSL_strdup(value);
379 static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value)
382 if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE))
385 rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM);
387 rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM);
391 static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value)
395 rv = SSL_CTX_use_serverinfo_file(cctx->ctx, value);
399 static int do_store(SSL_CONF_CTX *cctx,
400 const char *CAfile, const char *CApath, int verify_store)
405 cert = cctx->ctx->cert;
407 cert = cctx->ssl->cert;
410 st = verify_store ? &cert->verify_store : &cert->chain_store;
412 *st = X509_STORE_new();
416 return X509_STORE_load_locations(*st, CAfile, CApath) > 0;
419 static int cmd_ChainCAPath(SSL_CONF_CTX *cctx, const char *value)
421 return do_store(cctx, NULL, value, 0);
424 static int cmd_ChainCAFile(SSL_CONF_CTX *cctx, const char *value)
426 return do_store(cctx, value, NULL, 0);
429 static int cmd_VerifyCAPath(SSL_CONF_CTX *cctx, const char *value)
431 return do_store(cctx, NULL, value, 1);
434 static int cmd_VerifyCAFile(SSL_CONF_CTX *cctx, const char *value)
436 return do_store(cctx, value, NULL, 1);
439 static int cmd_ClientCAFile(SSL_CONF_CTX *cctx, const char *value)
441 if (cctx->canames == NULL)
442 cctx->canames = sk_X509_NAME_new_null();
443 if (cctx->canames == NULL)
445 return SSL_add_file_cert_subjects_to_stack(cctx->canames, value);
448 static int cmd_ClientCAPath(SSL_CONF_CTX *cctx, const char *value)
450 if (cctx->canames == NULL)
451 cctx->canames = sk_X509_NAME_new_null();
452 if (cctx->canames == NULL)
454 return SSL_add_dir_cert_subjects_to_stack(cctx->canames, value);
457 #ifndef OPENSSL_NO_DH
458 static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value)
463 if (cctx->ctx || cctx->ssl) {
464 in = BIO_new(BIO_s_file());
467 if (BIO_read_filename(in, value) <= 0)
469 dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
475 rv = SSL_CTX_set_tmp_dh(cctx->ctx, dh);
477 rv = SSL_set_tmp_dh(cctx->ssl, dh);
485 int (*cmd) (SSL_CONF_CTX *cctx, const char *value);
486 const char *str_file;
487 const char *str_cmdline;
488 unsigned short flags;
489 unsigned short value_type;
492 /* Table of supported parameters */
494 #define SSL_CONF_CMD(name, cmdopt, flags, type) \
495 {cmd_##name, #name, cmdopt, flags, type}
497 #define SSL_CONF_CMD_STRING(name, cmdopt, flags) \
498 SSL_CONF_CMD(name, cmdopt, flags, SSL_CONF_TYPE_STRING)
500 #define SSL_CONF_CMD_SWITCH(name, flags) \
501 {0, NULL, name, flags, SSL_CONF_TYPE_NONE}
503 /* See apps/apps.h if you change this table. */
504 static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
505 SSL_CONF_CMD_SWITCH("no_ssl3", 0),
506 SSL_CONF_CMD_SWITCH("no_tls1", 0),
507 SSL_CONF_CMD_SWITCH("no_tls1_1", 0),
508 SSL_CONF_CMD_SWITCH("no_tls1_2", 0),
509 SSL_CONF_CMD_SWITCH("bugs", 0),
510 SSL_CONF_CMD_SWITCH("no_comp", 0),
511 SSL_CONF_CMD_SWITCH("ecdh_single", SSL_CONF_FLAG_SERVER),
512 SSL_CONF_CMD_SWITCH("no_ticket", 0),
513 SSL_CONF_CMD_SWITCH("serverpref", SSL_CONF_FLAG_SERVER),
514 SSL_CONF_CMD_SWITCH("legacy_renegotiation", 0),
515 SSL_CONF_CMD_SWITCH("legacy_server_connect", SSL_CONF_FLAG_SERVER),
516 SSL_CONF_CMD_SWITCH("no_resumption_on_reneg", SSL_CONF_FLAG_SERVER),
517 SSL_CONF_CMD_SWITCH("no_legacy_server_connect", SSL_CONF_FLAG_SERVER),
518 SSL_CONF_CMD_SWITCH("strict", 0),
519 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
520 SSL_CONF_CMD_SWITCH("debug_broken_protocol", 0),
522 SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs", 0),
523 SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0),
524 SSL_CONF_CMD_STRING(Curves, "curves", 0),
525 #ifndef OPENSSL_NO_EC
526 SSL_CONF_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER),
528 SSL_CONF_CMD_STRING(CipherString, "cipher", 0),
529 SSL_CONF_CMD_STRING(Protocol, NULL, 0),
530 SSL_CONF_CMD_STRING(Options, NULL, 0),
531 SSL_CONF_CMD_STRING(VerifyMode, NULL, 0),
532 SSL_CONF_CMD(Certificate, "cert", SSL_CONF_FLAG_CERTIFICATE,
534 SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_FLAG_CERTIFICATE,
536 SSL_CONF_CMD(ServerInfoFile, NULL,
537 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
539 SSL_CONF_CMD(ChainCAPath, "chainCApath", SSL_CONF_FLAG_CERTIFICATE,
541 SSL_CONF_CMD(ChainCAFile, "chainCAfile", SSL_CONF_FLAG_CERTIFICATE,
543 SSL_CONF_CMD(VerifyCAPath, "verifyCApath", SSL_CONF_FLAG_CERTIFICATE,
545 SSL_CONF_CMD(VerifyCAFile, "verifyCAfile", SSL_CONF_FLAG_CERTIFICATE,
547 SSL_CONF_CMD(ClientCAFile, NULL,
548 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
550 SSL_CONF_CMD(ClientCAPath, NULL,
551 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
553 #ifndef OPENSSL_NO_DH
554 SSL_CONF_CMD(DHParameters, "dhparam",
555 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
560 /* Supported switches: must match order of switches in ssl_conf_cmds */
561 static const ssl_switch_tbl ssl_cmd_switches[] = {
562 {SSL_OP_NO_SSLv3, 0}, /* no_ssl3 */
563 {SSL_OP_NO_TLSv1, 0}, /* no_tls1 */
564 {SSL_OP_NO_TLSv1_1, 0}, /* no_tls1_1 */
565 {SSL_OP_NO_TLSv1_2, 0}, /* no_tls1_2 */
566 {SSL_OP_ALL, 0}, /* bugs */
567 {SSL_OP_NO_COMPRESSION, 0}, /* no_comp */
568 {SSL_OP_SINGLE_ECDH_USE, 0}, /* ecdh_single */
569 {SSL_OP_NO_TICKET, 0}, /* no_ticket */
570 {SSL_OP_CIPHER_SERVER_PREFERENCE, 0}, /* serverpref */
571 /* legacy_renegotiation */
572 {SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION, 0},
573 /* legacy_server_connect */
574 {SSL_OP_LEGACY_SERVER_CONNECT, 0},
575 /* no_resumption_on_reneg */
576 {SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION, 0},
577 /* no_legacy_server_connect */
578 {SSL_OP_LEGACY_SERVER_CONNECT, SSL_TFLAG_INV},
579 {SSL_CERT_FLAG_TLS_STRICT, SSL_TFLAG_CERT}, /* strict */
580 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
581 {SSL_CERT_FLAG_BROKEN_PROTOCOL, SSL_TFLAG_CERT} /* debug_broken_protocol */
585 static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd)
589 /* If a prefix is set, check and skip */
591 if (strlen(*pcmd) <= cctx->prefixlen)
593 if (cctx->flags & SSL_CONF_FLAG_CMDLINE &&
594 strncmp(*pcmd, cctx->prefix, cctx->prefixlen))
596 if (cctx->flags & SSL_CONF_FLAG_FILE &&
597 strncasecmp(*pcmd, cctx->prefix, cctx->prefixlen))
599 *pcmd += cctx->prefixlen;
600 } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
601 if (**pcmd != '-' || !(*pcmd)[1])
608 /* Determine if a command is allowed according to cctx flags */
609 static int ssl_conf_cmd_allowed(SSL_CONF_CTX *cctx,
610 const ssl_conf_cmd_tbl * t)
612 unsigned int tfl = t->flags;
613 unsigned int cfl = cctx->flags;
614 if ((tfl & SSL_CONF_FLAG_SERVER) && !(cfl & SSL_CONF_FLAG_SERVER))
616 if ((tfl & SSL_CONF_FLAG_CLIENT) && !(cfl & SSL_CONF_FLAG_CLIENT))
618 if ((tfl & SSL_CONF_FLAG_CERTIFICATE)
619 && !(cfl & SSL_CONF_FLAG_CERTIFICATE))
624 static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx,
627 const ssl_conf_cmd_tbl *t;
632 /* Look for matching parameter name in table */
633 for (i = 0, t = ssl_conf_cmds; i < OSSL_NELEM(ssl_conf_cmds); i++, t++) {
634 if (ssl_conf_cmd_allowed(cctx, t)) {
635 if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
636 if (t->str_cmdline && strcmp(t->str_cmdline, cmd) == 0)
639 if (cctx->flags & SSL_CONF_FLAG_FILE) {
640 if (t->str_file && strcasecmp(t->str_file, cmd) == 0)
648 static int ctrl_switch_option(SSL_CONF_CTX *cctx,
649 const ssl_conf_cmd_tbl * cmd)
651 /* Find index of command in table */
652 size_t idx = cmd - ssl_conf_cmds;
653 const ssl_switch_tbl *scmd;
654 /* Sanity check index */
655 if (idx >= OSSL_NELEM(ssl_cmd_switches))
657 /* Obtain switches entry with same index */
658 scmd = ssl_cmd_switches + idx;
659 ssl_set_option(cctx, scmd->name_flags, scmd->option_value, 1);
663 int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value)
665 const ssl_conf_cmd_tbl *runcmd;
667 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME);
671 if (!ssl_conf_cmd_skip_prefix(cctx, &cmd))
674 runcmd = ssl_conf_cmd_lookup(cctx, cmd);
678 if (runcmd->value_type == SSL_CONF_TYPE_NONE) {
679 return ctrl_switch_option(cctx, runcmd);
683 rv = runcmd->cmd(cctx, value);
688 if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
689 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_BAD_VALUE);
690 ERR_add_error_data(4, "cmd=", cmd, ", value=", value);
695 if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
696 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_UNKNOWN_CMD_NAME);
697 ERR_add_error_data(2, "cmd=", cmd);
703 int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv)
706 const char *arg = NULL, *argn;
707 if (pargc && *pargc == 0)
709 if (!pargc || *pargc > 0)
713 if (!pargc || *pargc > 1)
717 cctx->flags &= ~SSL_CONF_FLAG_FILE;
718 cctx->flags |= SSL_CONF_FLAG_CMDLINE;
719 rv = SSL_CONF_cmd(cctx, arg, argn);
721 /* Success: update pargc, pargv */
727 /* Unknown switch: indicate no arguments processed */
730 /* Some error occurred processing command, return fatal error */
736 int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd)
738 if (ssl_conf_cmd_skip_prefix(cctx, &cmd)) {
739 const ssl_conf_cmd_tbl *runcmd;
740 runcmd = ssl_conf_cmd_lookup(cctx, cmd);
742 return runcmd->value_type;
744 return SSL_CONF_TYPE_UNKNOWN;
747 SSL_CONF_CTX *SSL_CONF_CTX_new(void)
749 SSL_CONF_CTX *ret = OPENSSL_zalloc(sizeof(*ret));
754 int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx)
756 /* See if any certificates are missing private keys */
763 if (c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
764 for (i = 0; i < SSL_PKEY_NUM; i++) {
765 const char *p = cctx->cert_filename[i];
767 * If missing private key try to load one from certificate file
769 if (p && !c->pkeys[i].privatekey) {
770 if (!cmd_PrivateKey(cctx, p))
777 SSL_set_client_CA_list(cctx->ssl, cctx->canames);
779 SSL_CTX_set_client_CA_list(cctx->ctx, cctx->canames);
781 sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
782 cctx->canames = NULL;
787 void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx)
791 for (i = 0; i < SSL_PKEY_NUM; i++)
792 OPENSSL_free(cctx->cert_filename[i]);
793 OPENSSL_free(cctx->prefix);
794 sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
799 unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags)
801 cctx->flags |= flags;
805 unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags)
807 cctx->flags &= ~flags;
811 int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre)
815 tmp = OPENSSL_strdup(pre);
819 OPENSSL_free(cctx->prefix);
822 cctx->prefixlen = strlen(tmp);
828 void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl)
833 cctx->poptions = &ssl->options;
834 cctx->pcert_flags = &ssl->cert->cert_flags;
835 cctx->pvfy_flags = &ssl->verify_mode;
837 cctx->poptions = NULL;
838 cctx->pcert_flags = NULL;
839 cctx->pvfy_flags = NULL;
843 void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx)
848 cctx->poptions = &ctx->options;
849 cctx->pcert_flags = &ctx->cert->cert_flags;
850 cctx->pvfy_flags = &ctx->verify_mode;
852 cctx->poptions = NULL;
853 cctx->pcert_flags = NULL;
854 cctx->pvfy_flags = NULL;