2 * Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
12 #include <openssl/conf.h>
13 #include <openssl/objects.h>
14 #include <openssl/dh.h>
17 * structure holding name tables. This is used for permitted elements in lists
24 unsigned int name_flags;
25 unsigned long option_value;
28 /* Switch table: use for single command line switches like no_tls2 */
30 unsigned long option_value;
31 unsigned int name_flags;
34 /* Sense of name is inverted e.g. "TLSv1" will clear SSL_OP_NO_TLSv1 */
35 #define SSL_TFLAG_INV 0x1
36 /* Mask for type of flag referred to */
37 #define SSL_TFLAG_TYPE_MASK 0xf00
38 /* Flag is for options */
39 #define SSL_TFLAG_OPTION 0x000
40 /* Flag is for cert_flags */
41 #define SSL_TFLAG_CERT 0x100
42 /* Flag is for verify mode */
43 #define SSL_TFLAG_VFY 0x200
44 /* Option can only be used for clients */
45 #define SSL_TFLAG_CLIENT SSL_CONF_FLAG_CLIENT
46 /* Option can only be used for servers */
47 #define SSL_TFLAG_SERVER SSL_CONF_FLAG_SERVER
48 #define SSL_TFLAG_BOTH (SSL_TFLAG_CLIENT|SSL_TFLAG_SERVER)
50 #define SSL_FLAG_TBL(str, flag) \
51 {str, (int)(sizeof(str) - 1), SSL_TFLAG_BOTH, flag}
52 #define SSL_FLAG_TBL_SRV(str, flag) \
53 {str, (int)(sizeof(str) - 1), SSL_TFLAG_SERVER, flag}
54 #define SSL_FLAG_TBL_CLI(str, flag) \
55 {str, (int)(sizeof(str) - 1), SSL_TFLAG_CLIENT, flag}
56 #define SSL_FLAG_TBL_INV(str, flag) \
57 {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_BOTH, flag}
58 #define SSL_FLAG_TBL_SRV_INV(str, flag) \
59 {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_SERVER, flag}
60 #define SSL_FLAG_TBL_CERT(str, flag) \
61 {str, (int)(sizeof(str) - 1), SSL_TFLAG_CERT|SSL_TFLAG_BOTH, flag}
63 #define SSL_FLAG_VFY_CLI(str, flag) \
64 {str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_CLIENT, flag}
65 #define SSL_FLAG_VFY_SRV(str, flag) \
66 {str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_SERVER, flag}
69 * Opaque structure containing SSL configuration context.
72 struct ssl_conf_ctx_st {
74 * Various flags indicating (among other things) which options we will
78 /* Prefix and length of commands */
81 /* SSL_CTX or SSL structure to perform operations on */
84 /* Pointer to SSL or SSL_CTX options field or NULL if none */
86 /* Certificate filenames for each type */
87 char *cert_filename[SSL_PKEY_NUM];
88 /* Pointer to SSL or SSL_CTX cert_flags or NULL if none */
89 uint32_t *pcert_flags;
90 /* Pointer to SSL or SSL_CTX verify_mode or NULL if none */
92 /* Pointer to SSL or SSL_CTX min_version field or NULL if none */
94 /* Pointer to SSL or SSL_CTX max_version field or NULL if none */
96 /* Current flag table being worked on */
97 const ssl_flag_tbl *tbl;
100 /* Client CA names */
101 STACK_OF(X509_NAME) *canames;
104 static void ssl_set_option(SSL_CONF_CTX *cctx, unsigned int name_flags,
105 unsigned long option_value, int onoff)
108 if (cctx->poptions == NULL)
110 if (name_flags & SSL_TFLAG_INV)
112 switch (name_flags & SSL_TFLAG_TYPE_MASK) {
115 pflags = cctx->pcert_flags;
119 pflags = cctx->pvfy_flags;
122 case SSL_TFLAG_OPTION:
123 pflags = cctx->poptions;
131 *pflags |= option_value;
133 *pflags &= ~option_value;
136 static int ssl_match_option(SSL_CONF_CTX *cctx, const ssl_flag_tbl *tbl,
137 const char *name, int namelen, int onoff)
139 /* If name not relevant for context skip */
140 if (!(cctx->flags & tbl->name_flags & SSL_TFLAG_BOTH))
143 if (strcmp(tbl->name, name))
145 } else if (tbl->namelen != namelen || strncasecmp(tbl->name, name, namelen))
147 ssl_set_option(cctx, tbl->name_flags, tbl->option_value, onoff);
151 static int ssl_set_option_list(const char *elem, int len, void *usr)
153 SSL_CONF_CTX *cctx = usr;
155 const ssl_flag_tbl *tbl;
158 * len == -1 indicates not being called in list context, just for single
159 * command line switches, so don't allow +, -.
168 } else if (*elem == '-') {
174 for (i = 0, tbl = cctx->tbl; i < cctx->ntbl; i++, tbl++) {
175 if (ssl_match_option(cctx, tbl, elem, len, onoff))
181 /* Set supported signature algorithms */
182 static int cmd_SignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value)
186 rv = SSL_set1_sigalgs_list(cctx->ssl, value);
187 /* NB: ctx == NULL performs syntax checking only */
189 rv = SSL_CTX_set1_sigalgs_list(cctx->ctx, value);
193 /* Set supported client signature algorithms */
194 static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value)
198 rv = SSL_set1_client_sigalgs_list(cctx->ssl, value);
199 /* NB: ctx == NULL performs syntax checking only */
201 rv = SSL_CTX_set1_client_sigalgs_list(cctx->ctx, value);
205 static int cmd_Groups(SSL_CONF_CTX *cctx, const char *value)
209 rv = SSL_set1_groups_list(cctx->ssl, value);
210 /* NB: ctx == NULL performs syntax checking only */
212 rv = SSL_CTX_set1_groups_list(cctx->ctx, value);
216 /* This is the old name for cmd_Groups - retained for backwards compatibility */
217 static int cmd_Curves(SSL_CONF_CTX *cctx, const char *value)
219 return cmd_Groups(cctx, value);
222 #ifndef OPENSSL_NO_EC
223 /* ECDH temporary parameters */
224 static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
230 nid = EC_curve_nist2nid(value);
231 if (nid == NID_undef)
232 nid = OBJ_sn2nid(value);
235 ecdh = EC_KEY_new_by_curve_name(nid);
239 rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh);
241 rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh);
247 static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value)
251 rv = SSL_CTX_set_cipher_list(cctx->ctx, value);
253 rv = SSL_set_cipher_list(cctx->ssl, value);
257 static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value)
259 static const ssl_flag_tbl ssl_protocol_list[] = {
260 SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK),
261 SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2),
262 SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3),
263 SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1),
264 SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1),
265 SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2),
266 SSL_FLAG_TBL_INV("TLSv1.3", SSL_OP_NO_TLSv1_3),
267 SSL_FLAG_TBL_INV("DTLSv1", SSL_OP_NO_DTLSv1),
268 SSL_FLAG_TBL_INV("DTLSv1.2", SSL_OP_NO_DTLSv1_2)
270 cctx->tbl = ssl_protocol_list;
271 cctx->ntbl = OSSL_NELEM(ssl_protocol_list);
272 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
276 * protocol_from_string - converts a protocol version string to a number
278 * Returns -1 on failure or the version on success
280 static int protocol_from_string(const char *value)
282 struct protocol_versions {
286 static const struct protocol_versions versions[] = {
288 {"SSLv3", SSL3_VERSION},
289 {"TLSv1", TLS1_VERSION},
290 {"TLSv1.1", TLS1_1_VERSION},
291 {"TLSv1.2", TLS1_2_VERSION},
292 {"TLSv1.3", TLS1_3_VERSION},
293 {"DTLSv1", DTLS1_VERSION},
294 {"DTLSv1.2", DTLS1_2_VERSION}
297 size_t n = OSSL_NELEM(versions);
299 for (i = 0; i < n; i++)
300 if (strcmp(versions[i].name, value) == 0)
301 return versions[i].version;
305 static int min_max_proto(SSL_CONF_CTX *cctx, const char *value, int *bound)
310 if (cctx->ctx != NULL)
311 method_version = cctx->ctx->method->version;
312 else if (cctx->ssl != NULL)
313 method_version = cctx->ssl->ctx->method->version;
316 if ((new_version = protocol_from_string(value)) < 0)
318 return ssl_set_version_bound(method_version, new_version, bound);
322 * cmd_MinProtocol - Set min protocol version
323 * @cctx: config structure to save settings in
324 * @value: The min protocol version in string form
326 * Returns 1 on success and 0 on failure.
328 static int cmd_MinProtocol(SSL_CONF_CTX *cctx, const char *value)
330 return min_max_proto(cctx, value, cctx->min_version);
334 * cmd_MaxProtocol - Set max protocol version
335 * @cctx: config structure to save settings in
336 * @value: The max protocol version in string form
338 * Returns 1 on success and 0 on failure.
340 static int cmd_MaxProtocol(SSL_CONF_CTX *cctx, const char *value)
342 return min_max_proto(cctx, value, cctx->max_version);
345 static int cmd_Options(SSL_CONF_CTX *cctx, const char *value)
347 static const ssl_flag_tbl ssl_option_list[] = {
348 SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET),
349 SSL_FLAG_TBL_INV("EmptyFragments",
350 SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS),
351 SSL_FLAG_TBL("Bugs", SSL_OP_ALL),
352 SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION),
353 SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE),
354 SSL_FLAG_TBL_SRV("NoResumptionOnRenegotiation",
355 SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION),
356 SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE),
357 SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE),
358 SSL_FLAG_TBL("UnsafeLegacyRenegotiation",
359 SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION),
360 SSL_FLAG_TBL_INV("EncryptThenMac", SSL_OP_NO_ENCRYPT_THEN_MAC),
364 cctx->tbl = ssl_option_list;
365 cctx->ntbl = OSSL_NELEM(ssl_option_list);
366 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
369 static int cmd_VerifyMode(SSL_CONF_CTX *cctx, const char *value)
371 static const ssl_flag_tbl ssl_vfy_list[] = {
372 SSL_FLAG_VFY_CLI("Peer", SSL_VERIFY_PEER),
373 SSL_FLAG_VFY_SRV("Request", SSL_VERIFY_PEER),
374 SSL_FLAG_VFY_SRV("Require",
375 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT),
376 SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE)
380 cctx->tbl = ssl_vfy_list;
381 cctx->ntbl = OSSL_NELEM(ssl_vfy_list);
382 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
385 static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value)
390 rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value);
394 rv = SSL_use_certificate_chain_file(cctx->ssl, value);
397 if (rv > 0 && c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
398 char **pfilename = &cctx->cert_filename[c->key - c->pkeys];
399 OPENSSL_free(*pfilename);
400 *pfilename = OPENSSL_strdup(value);
408 static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value)
411 if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE))
414 rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM);
416 rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM);
420 static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value)
424 rv = SSL_CTX_use_serverinfo_file(cctx->ctx, value);
428 static int do_store(SSL_CONF_CTX *cctx,
429 const char *CAfile, const char *CApath, int verify_store)
434 cert = cctx->ctx->cert;
436 cert = cctx->ssl->cert;
439 st = verify_store ? &cert->verify_store : &cert->chain_store;
441 *st = X509_STORE_new();
445 return X509_STORE_load_locations(*st, CAfile, CApath) > 0;
448 static int cmd_ChainCAPath(SSL_CONF_CTX *cctx, const char *value)
450 return do_store(cctx, NULL, value, 0);
453 static int cmd_ChainCAFile(SSL_CONF_CTX *cctx, const char *value)
455 return do_store(cctx, value, NULL, 0);
458 static int cmd_VerifyCAPath(SSL_CONF_CTX *cctx, const char *value)
460 return do_store(cctx, NULL, value, 1);
463 static int cmd_VerifyCAFile(SSL_CONF_CTX *cctx, const char *value)
465 return do_store(cctx, value, NULL, 1);
468 static int cmd_RequestCAFile(SSL_CONF_CTX *cctx, const char *value)
470 if (cctx->canames == NULL)
471 cctx->canames = sk_X509_NAME_new_null();
472 if (cctx->canames == NULL)
474 return SSL_add_file_cert_subjects_to_stack(cctx->canames, value);
477 static int cmd_ClientCAFile(SSL_CONF_CTX *cctx, const char *value)
479 return cmd_RequestCAFile(cctx, value);
482 static int cmd_RequestCAPath(SSL_CONF_CTX *cctx, const char *value)
484 if (cctx->canames == NULL)
485 cctx->canames = sk_X509_NAME_new_null();
486 if (cctx->canames == NULL)
488 return SSL_add_dir_cert_subjects_to_stack(cctx->canames, value);
491 static int cmd_ClientCAPath(SSL_CONF_CTX *cctx, const char *value)
493 return cmd_RequestCAPath(cctx, value);
496 #ifndef OPENSSL_NO_DH
497 static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value)
502 if (cctx->ctx || cctx->ssl) {
503 in = BIO_new(BIO_s_file());
506 if (BIO_read_filename(in, value) <= 0)
508 dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
514 rv = SSL_CTX_set_tmp_dh(cctx->ctx, dh);
516 rv = SSL_set_tmp_dh(cctx->ssl, dh);
524 int (*cmd) (SSL_CONF_CTX *cctx, const char *value);
525 const char *str_file;
526 const char *str_cmdline;
527 unsigned short flags;
528 unsigned short value_type;
531 /* Table of supported parameters */
533 #define SSL_CONF_CMD(name, cmdopt, flags, type) \
534 {cmd_##name, #name, cmdopt, flags, type}
536 #define SSL_CONF_CMD_STRING(name, cmdopt, flags) \
537 SSL_CONF_CMD(name, cmdopt, flags, SSL_CONF_TYPE_STRING)
539 #define SSL_CONF_CMD_SWITCH(name, flags) \
540 {0, NULL, name, flags, SSL_CONF_TYPE_NONE}
542 /* See apps/apps.h if you change this table. */
543 static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
544 SSL_CONF_CMD_SWITCH("no_ssl3", 0),
545 SSL_CONF_CMD_SWITCH("no_tls1", 0),
546 SSL_CONF_CMD_SWITCH("no_tls1_1", 0),
547 SSL_CONF_CMD_SWITCH("no_tls1_2", 0),
548 SSL_CONF_CMD_SWITCH("no_tls1_3", 0),
549 SSL_CONF_CMD_SWITCH("bugs", 0),
550 SSL_CONF_CMD_SWITCH("no_comp", 0),
551 SSL_CONF_CMD_SWITCH("comp", 0),
552 SSL_CONF_CMD_SWITCH("ecdh_single", SSL_CONF_FLAG_SERVER),
553 SSL_CONF_CMD_SWITCH("no_ticket", 0),
554 SSL_CONF_CMD_SWITCH("serverpref", SSL_CONF_FLAG_SERVER),
555 SSL_CONF_CMD_SWITCH("legacy_renegotiation", 0),
556 SSL_CONF_CMD_SWITCH("legacy_server_connect", SSL_CONF_FLAG_SERVER),
557 SSL_CONF_CMD_SWITCH("no_resumption_on_reneg", SSL_CONF_FLAG_SERVER),
558 SSL_CONF_CMD_SWITCH("no_legacy_server_connect", SSL_CONF_FLAG_SERVER),
559 SSL_CONF_CMD_SWITCH("strict", 0),
560 SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs", 0),
561 SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0),
562 SSL_CONF_CMD_STRING(Curves, "curves", 0),
563 SSL_CONF_CMD_STRING(Groups, "groups", 0),
564 #ifndef OPENSSL_NO_EC
565 SSL_CONF_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER),
567 SSL_CONF_CMD_STRING(CipherString, "cipher", 0),
568 SSL_CONF_CMD_STRING(Protocol, NULL, 0),
569 SSL_CONF_CMD_STRING(MinProtocol, "min_protocol", 0),
570 SSL_CONF_CMD_STRING(MaxProtocol, "max_protocol", 0),
571 SSL_CONF_CMD_STRING(Options, NULL, 0),
572 SSL_CONF_CMD_STRING(VerifyMode, NULL, 0),
573 SSL_CONF_CMD(Certificate, "cert", SSL_CONF_FLAG_CERTIFICATE,
575 SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_FLAG_CERTIFICATE,
577 SSL_CONF_CMD(ServerInfoFile, NULL,
578 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
580 SSL_CONF_CMD(ChainCAPath, "chainCApath", SSL_CONF_FLAG_CERTIFICATE,
582 SSL_CONF_CMD(ChainCAFile, "chainCAfile", SSL_CONF_FLAG_CERTIFICATE,
584 SSL_CONF_CMD(VerifyCAPath, "verifyCApath", SSL_CONF_FLAG_CERTIFICATE,
586 SSL_CONF_CMD(VerifyCAFile, "verifyCAfile", SSL_CONF_FLAG_CERTIFICATE,
588 SSL_CONF_CMD(RequestCAFile, "requestCAFile", SSL_CONF_FLAG_CERTIFICATE,
590 SSL_CONF_CMD(ClientCAFile, NULL,
591 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
593 SSL_CONF_CMD(RequestCAPath, NULL, SSL_CONF_FLAG_CERTIFICATE,
595 SSL_CONF_CMD(ClientCAPath, NULL,
596 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
598 #ifndef OPENSSL_NO_DH
599 SSL_CONF_CMD(DHParameters, "dhparam",
600 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
605 /* Supported switches: must match order of switches in ssl_conf_cmds */
606 static const ssl_switch_tbl ssl_cmd_switches[] = {
607 {SSL_OP_NO_SSLv3, 0}, /* no_ssl3 */
608 {SSL_OP_NO_TLSv1, 0}, /* no_tls1 */
609 {SSL_OP_NO_TLSv1_1, 0}, /* no_tls1_1 */
610 {SSL_OP_NO_TLSv1_2, 0}, /* no_tls1_2 */
611 {SSL_OP_NO_TLSv1_3, 0}, /* no_tls1_3 */
612 {SSL_OP_ALL, 0}, /* bugs */
613 {SSL_OP_NO_COMPRESSION, 0}, /* no_comp */
614 {SSL_OP_NO_COMPRESSION, SSL_TFLAG_INV}, /* comp */
615 {SSL_OP_SINGLE_ECDH_USE, 0}, /* ecdh_single */
616 {SSL_OP_NO_TICKET, 0}, /* no_ticket */
617 {SSL_OP_CIPHER_SERVER_PREFERENCE, 0}, /* serverpref */
618 /* legacy_renegotiation */
619 {SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION, 0},
620 /* legacy_server_connect */
621 {SSL_OP_LEGACY_SERVER_CONNECT, 0},
622 /* no_resumption_on_reneg */
623 {SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION, 0},
624 /* no_legacy_server_connect */
625 {SSL_OP_LEGACY_SERVER_CONNECT, SSL_TFLAG_INV},
626 {SSL_CERT_FLAG_TLS_STRICT, SSL_TFLAG_CERT}, /* strict */
629 static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd)
633 /* If a prefix is set, check and skip */
635 if (strlen(*pcmd) <= cctx->prefixlen)
637 if (cctx->flags & SSL_CONF_FLAG_CMDLINE &&
638 strncmp(*pcmd, cctx->prefix, cctx->prefixlen))
640 if (cctx->flags & SSL_CONF_FLAG_FILE &&
641 strncasecmp(*pcmd, cctx->prefix, cctx->prefixlen))
643 *pcmd += cctx->prefixlen;
644 } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
645 if (**pcmd != '-' || !(*pcmd)[1])
652 /* Determine if a command is allowed according to cctx flags */
653 static int ssl_conf_cmd_allowed(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl * t)
655 unsigned int tfl = t->flags;
656 unsigned int cfl = cctx->flags;
657 if ((tfl & SSL_CONF_FLAG_SERVER) && !(cfl & SSL_CONF_FLAG_SERVER))
659 if ((tfl & SSL_CONF_FLAG_CLIENT) && !(cfl & SSL_CONF_FLAG_CLIENT))
661 if ((tfl & SSL_CONF_FLAG_CERTIFICATE)
662 && !(cfl & SSL_CONF_FLAG_CERTIFICATE))
667 static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx,
670 const ssl_conf_cmd_tbl *t;
675 /* Look for matching parameter name in table */
676 for (i = 0, t = ssl_conf_cmds; i < OSSL_NELEM(ssl_conf_cmds); i++, t++) {
677 if (ssl_conf_cmd_allowed(cctx, t)) {
678 if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
679 if (t->str_cmdline && strcmp(t->str_cmdline, cmd) == 0)
682 if (cctx->flags & SSL_CONF_FLAG_FILE) {
683 if (t->str_file && strcasecmp(t->str_file, cmd) == 0)
691 static int ctrl_switch_option(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl * cmd)
693 /* Find index of command in table */
694 size_t idx = cmd - ssl_conf_cmds;
695 const ssl_switch_tbl *scmd;
696 /* Sanity check index */
697 if (idx >= OSSL_NELEM(ssl_cmd_switches))
699 /* Obtain switches entry with same index */
700 scmd = ssl_cmd_switches + idx;
701 ssl_set_option(cctx, scmd->name_flags, scmd->option_value, 1);
705 int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value)
707 const ssl_conf_cmd_tbl *runcmd;
709 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME);
713 if (!ssl_conf_cmd_skip_prefix(cctx, &cmd))
716 runcmd = ssl_conf_cmd_lookup(cctx, cmd);
720 if (runcmd->value_type == SSL_CONF_TYPE_NONE) {
721 return ctrl_switch_option(cctx, runcmd);
725 rv = runcmd->cmd(cctx, value);
730 if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
731 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_BAD_VALUE);
732 ERR_add_error_data(4, "cmd=", cmd, ", value=", value);
737 if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
738 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_UNKNOWN_CMD_NAME);
739 ERR_add_error_data(2, "cmd=", cmd);
745 int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv)
748 const char *arg = NULL, *argn;
749 if (pargc && *pargc == 0)
751 if (!pargc || *pargc > 0)
755 if (!pargc || *pargc > 1)
759 cctx->flags &= ~SSL_CONF_FLAG_FILE;
760 cctx->flags |= SSL_CONF_FLAG_CMDLINE;
761 rv = SSL_CONF_cmd(cctx, arg, argn);
763 /* Success: update pargc, pargv */
769 /* Unknown switch: indicate no arguments processed */
772 /* Some error occurred processing command, return fatal error */
778 int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd)
780 if (ssl_conf_cmd_skip_prefix(cctx, &cmd)) {
781 const ssl_conf_cmd_tbl *runcmd;
782 runcmd = ssl_conf_cmd_lookup(cctx, cmd);
784 return runcmd->value_type;
786 return SSL_CONF_TYPE_UNKNOWN;
789 SSL_CONF_CTX *SSL_CONF_CTX_new(void)
791 SSL_CONF_CTX *ret = OPENSSL_zalloc(sizeof(*ret));
796 int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx)
798 /* See if any certificates are missing private keys */
805 if (c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
806 for (i = 0; i < SSL_PKEY_NUM; i++) {
807 const char *p = cctx->cert_filename[i];
809 * If missing private key try to load one from certificate file
811 if (p && !c->pkeys[i].privatekey) {
812 if (!cmd_PrivateKey(cctx, p))
819 SSL_set0_CA_list(cctx->ssl, cctx->canames);
821 SSL_CTX_set0_CA_list(cctx->ctx, cctx->canames);
823 sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
824 cctx->canames = NULL;
829 void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx)
833 for (i = 0; i < SSL_PKEY_NUM; i++)
834 OPENSSL_free(cctx->cert_filename[i]);
835 OPENSSL_free(cctx->prefix);
836 sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
841 unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags)
843 cctx->flags |= flags;
847 unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags)
849 cctx->flags &= ~flags;
853 int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre)
857 tmp = OPENSSL_strdup(pre);
861 OPENSSL_free(cctx->prefix);
864 cctx->prefixlen = strlen(tmp);
870 void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl)
875 cctx->poptions = &ssl->options;
876 cctx->min_version = &ssl->min_proto_version;
877 cctx->max_version = &ssl->max_proto_version;
878 cctx->pcert_flags = &ssl->cert->cert_flags;
879 cctx->pvfy_flags = &ssl->verify_mode;
881 cctx->poptions = NULL;
882 cctx->min_version = NULL;
883 cctx->max_version = NULL;
884 cctx->pcert_flags = NULL;
885 cctx->pvfy_flags = NULL;
889 void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx)
894 cctx->poptions = &ctx->options;
895 cctx->min_version = &ctx->min_proto_version;
896 cctx->max_version = &ctx->max_proto_version;
897 cctx->pcert_flags = &ctx->cert->cert_flags;
898 cctx->pvfy_flags = &ctx->verify_mode;
900 cctx->poptions = NULL;
901 cctx->min_version = NULL;
902 cctx->max_version = NULL;
903 cctx->pcert_flags = NULL;
904 cctx->pvfy_flags = NULL;