2 * Copyright 2012-2018 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_Curves(SSL_CONF_CTX *cctx, const char *value)
209 rv = SSL_set1_curves_list(cctx->ssl, value);
210 /* NB: ctx == NULL performs syntax checking only */
212 rv = SSL_CTX_set1_curves_list(cctx->ctx, value);
216 #ifndef OPENSSL_NO_EC
217 /* ECDH temporary parameters */
218 static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
224 /* Ignore values supported by 1.0.2 for the automatic selection */
225 if ((cctx->flags & SSL_CONF_FLAG_FILE) &&
226 strcasecmp(value, "+automatic") == 0)
228 if ((cctx->flags & SSL_CONF_FLAG_CMDLINE) &&
229 strcmp(value, "auto") == 0)
232 nid = EC_curve_nist2nid(value);
233 if (nid == NID_undef)
234 nid = OBJ_sn2nid(value);
237 ecdh = EC_KEY_new_by_curve_name(nid);
241 rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh);
243 rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh);
249 static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value)
253 rv = SSL_CTX_set_cipher_list(cctx->ctx, value);
255 rv = SSL_set_cipher_list(cctx->ssl, value);
259 static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value)
261 static const ssl_flag_tbl ssl_protocol_list[] = {
262 SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK),
263 SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2),
264 SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3),
265 SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1),
266 SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1),
267 SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2),
268 SSL_FLAG_TBL_INV("DTLSv1", SSL_OP_NO_DTLSv1),
269 SSL_FLAG_TBL_INV("DTLSv1.2", SSL_OP_NO_DTLSv1_2)
271 cctx->tbl = ssl_protocol_list;
272 cctx->ntbl = OSSL_NELEM(ssl_protocol_list);
273 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
277 * protocol_from_string - converts a protocol version string to a number
279 * Returns -1 on failure or the version on success
281 static int protocol_from_string(const char *value)
283 struct protocol_versions {
287 static const struct protocol_versions versions[] = {
289 {"SSLv3", SSL3_VERSION},
290 {"TLSv1", TLS1_VERSION},
291 {"TLSv1.1", TLS1_1_VERSION},
292 {"TLSv1.2", TLS1_2_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),
361 SSL_FLAG_TBL("NoRenegotiation", SSL_OP_NO_RENEGOTIATION),
365 cctx->tbl = ssl_option_list;
366 cctx->ntbl = OSSL_NELEM(ssl_option_list);
367 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
370 static int cmd_VerifyMode(SSL_CONF_CTX *cctx, const char *value)
372 static const ssl_flag_tbl ssl_vfy_list[] = {
373 SSL_FLAG_VFY_CLI("Peer", SSL_VERIFY_PEER),
374 SSL_FLAG_VFY_SRV("Request", SSL_VERIFY_PEER),
375 SSL_FLAG_VFY_SRV("Require",
376 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT),
377 SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE)
381 cctx->tbl = ssl_vfy_list;
382 cctx->ntbl = OSSL_NELEM(ssl_vfy_list);
383 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
386 static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value)
391 rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value);
395 rv = SSL_use_certificate_chain_file(cctx->ssl, value);
398 if (rv > 0 && c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
399 char **pfilename = &cctx->cert_filename[c->key - c->pkeys];
400 OPENSSL_free(*pfilename);
401 *pfilename = OPENSSL_strdup(value);
409 static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value)
412 if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE))
415 rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM);
417 rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM);
421 static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value)
425 rv = SSL_CTX_use_serverinfo_file(cctx->ctx, value);
429 static int do_store(SSL_CONF_CTX *cctx,
430 const char *CAfile, const char *CApath, int verify_store)
435 cert = cctx->ctx->cert;
437 cert = cctx->ssl->cert;
440 st = verify_store ? &cert->verify_store : &cert->chain_store;
442 *st = X509_STORE_new();
446 return X509_STORE_load_locations(*st, CAfile, CApath) > 0;
449 static int cmd_ChainCAPath(SSL_CONF_CTX *cctx, const char *value)
451 return do_store(cctx, NULL, value, 0);
454 static int cmd_ChainCAFile(SSL_CONF_CTX *cctx, const char *value)
456 return do_store(cctx, value, NULL, 0);
459 static int cmd_VerifyCAPath(SSL_CONF_CTX *cctx, const char *value)
461 return do_store(cctx, NULL, value, 1);
464 static int cmd_VerifyCAFile(SSL_CONF_CTX *cctx, const char *value)
466 return do_store(cctx, value, NULL, 1);
469 static int cmd_ClientCAFile(SSL_CONF_CTX *cctx, const char *value)
471 if (cctx->canames == NULL)
472 cctx->canames = sk_X509_NAME_new_null();
473 if (cctx->canames == NULL)
475 return SSL_add_file_cert_subjects_to_stack(cctx->canames, value);
478 static int cmd_ClientCAPath(SSL_CONF_CTX *cctx, const char *value)
480 if (cctx->canames == NULL)
481 cctx->canames = sk_X509_NAME_new_null();
482 if (cctx->canames == NULL)
484 return SSL_add_dir_cert_subjects_to_stack(cctx->canames, value);
487 #ifndef OPENSSL_NO_DH
488 static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value)
493 if (cctx->ctx || cctx->ssl) {
494 in = BIO_new(BIO_s_file());
497 if (BIO_read_filename(in, value) <= 0)
499 dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
505 rv = SSL_CTX_set_tmp_dh(cctx->ctx, dh);
507 rv = SSL_set_tmp_dh(cctx->ssl, dh);
515 int (*cmd) (SSL_CONF_CTX *cctx, const char *value);
516 const char *str_file;
517 const char *str_cmdline;
518 unsigned short flags;
519 unsigned short value_type;
522 /* Table of supported parameters */
524 #define SSL_CONF_CMD(name, cmdopt, flags, type) \
525 {cmd_##name, #name, cmdopt, flags, type}
527 #define SSL_CONF_CMD_STRING(name, cmdopt, flags) \
528 SSL_CONF_CMD(name, cmdopt, flags, SSL_CONF_TYPE_STRING)
530 #define SSL_CONF_CMD_SWITCH(name, flags) \
531 {0, NULL, name, flags, SSL_CONF_TYPE_NONE}
533 /* See apps/apps.h if you change this table. */
534 static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
535 SSL_CONF_CMD_SWITCH("no_ssl3", 0),
536 SSL_CONF_CMD_SWITCH("no_tls1", 0),
537 SSL_CONF_CMD_SWITCH("no_tls1_1", 0),
538 SSL_CONF_CMD_SWITCH("no_tls1_2", 0),
539 SSL_CONF_CMD_SWITCH("bugs", 0),
540 SSL_CONF_CMD_SWITCH("no_comp", 0),
541 SSL_CONF_CMD_SWITCH("comp", 0),
542 SSL_CONF_CMD_SWITCH("ecdh_single", SSL_CONF_FLAG_SERVER),
543 SSL_CONF_CMD_SWITCH("no_ticket", 0),
544 SSL_CONF_CMD_SWITCH("serverpref", SSL_CONF_FLAG_SERVER),
545 SSL_CONF_CMD_SWITCH("legacy_renegotiation", 0),
546 SSL_CONF_CMD_SWITCH("legacy_server_connect", SSL_CONF_FLAG_SERVER),
547 SSL_CONF_CMD_SWITCH("no_renegotiation", 0),
548 SSL_CONF_CMD_SWITCH("no_resumption_on_reneg", SSL_CONF_FLAG_SERVER),
549 SSL_CONF_CMD_SWITCH("no_legacy_server_connect", SSL_CONF_FLAG_SERVER),
550 SSL_CONF_CMD_SWITCH("strict", 0),
551 SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs", 0),
552 SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0),
553 SSL_CONF_CMD_STRING(Curves, "curves", 0),
554 #ifndef OPENSSL_NO_EC
555 SSL_CONF_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER),
557 SSL_CONF_CMD_STRING(CipherString, "cipher", 0),
558 SSL_CONF_CMD_STRING(Protocol, NULL, 0),
559 SSL_CONF_CMD_STRING(MinProtocol, "min_protocol", 0),
560 SSL_CONF_CMD_STRING(MaxProtocol, "max_protocol", 0),
561 SSL_CONF_CMD_STRING(Options, NULL, 0),
562 SSL_CONF_CMD_STRING(VerifyMode, NULL, 0),
563 SSL_CONF_CMD(Certificate, "cert", SSL_CONF_FLAG_CERTIFICATE,
565 SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_FLAG_CERTIFICATE,
567 SSL_CONF_CMD(ServerInfoFile, NULL,
568 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
570 SSL_CONF_CMD(ChainCAPath, "chainCApath", SSL_CONF_FLAG_CERTIFICATE,
572 SSL_CONF_CMD(ChainCAFile, "chainCAfile", SSL_CONF_FLAG_CERTIFICATE,
574 SSL_CONF_CMD(VerifyCAPath, "verifyCApath", SSL_CONF_FLAG_CERTIFICATE,
576 SSL_CONF_CMD(VerifyCAFile, "verifyCAfile", SSL_CONF_FLAG_CERTIFICATE,
578 SSL_CONF_CMD(ClientCAFile, NULL,
579 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
581 SSL_CONF_CMD(ClientCAPath, NULL,
582 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
584 #ifndef OPENSSL_NO_DH
585 SSL_CONF_CMD(DHParameters, "dhparam",
586 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
591 /* Supported switches: must match order of switches in ssl_conf_cmds */
592 static const ssl_switch_tbl ssl_cmd_switches[] = {
593 {SSL_OP_NO_SSLv3, 0}, /* no_ssl3 */
594 {SSL_OP_NO_TLSv1, 0}, /* no_tls1 */
595 {SSL_OP_NO_TLSv1_1, 0}, /* no_tls1_1 */
596 {SSL_OP_NO_TLSv1_2, 0}, /* no_tls1_2 */
597 {SSL_OP_ALL, 0}, /* bugs */
598 {SSL_OP_NO_COMPRESSION, 0}, /* no_comp */
599 {SSL_OP_NO_COMPRESSION, SSL_TFLAG_INV}, /* comp */
600 {SSL_OP_SINGLE_ECDH_USE, 0}, /* ecdh_single */
601 {SSL_OP_NO_TICKET, 0}, /* no_ticket */
602 {SSL_OP_CIPHER_SERVER_PREFERENCE, 0}, /* serverpref */
603 /* legacy_renegotiation */
604 {SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION, 0},
605 /* legacy_server_connect */
606 {SSL_OP_LEGACY_SERVER_CONNECT, 0},
607 /* no_renegotiation */
608 {SSL_OP_NO_RENEGOTIATION, 0},
609 /* no_resumption_on_reneg */
610 {SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION, 0},
611 /* no_legacy_server_connect */
612 {SSL_OP_LEGACY_SERVER_CONNECT, SSL_TFLAG_INV},
613 {SSL_CERT_FLAG_TLS_STRICT, SSL_TFLAG_CERT}, /* strict */
616 static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd)
620 /* If a prefix is set, check and skip */
622 if (strlen(*pcmd) <= cctx->prefixlen)
624 if (cctx->flags & SSL_CONF_FLAG_CMDLINE &&
625 strncmp(*pcmd, cctx->prefix, cctx->prefixlen))
627 if (cctx->flags & SSL_CONF_FLAG_FILE &&
628 strncasecmp(*pcmd, cctx->prefix, cctx->prefixlen))
630 *pcmd += cctx->prefixlen;
631 } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
632 if (**pcmd != '-' || !(*pcmd)[1])
639 /* Determine if a command is allowed according to cctx flags */
640 static int ssl_conf_cmd_allowed(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl * t)
642 unsigned int tfl = t->flags;
643 unsigned int cfl = cctx->flags;
644 if ((tfl & SSL_CONF_FLAG_SERVER) && !(cfl & SSL_CONF_FLAG_SERVER))
646 if ((tfl & SSL_CONF_FLAG_CLIENT) && !(cfl & SSL_CONF_FLAG_CLIENT))
648 if ((tfl & SSL_CONF_FLAG_CERTIFICATE)
649 && !(cfl & SSL_CONF_FLAG_CERTIFICATE))
654 static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx,
657 const ssl_conf_cmd_tbl *t;
662 /* Look for matching parameter name in table */
663 for (i = 0, t = ssl_conf_cmds; i < OSSL_NELEM(ssl_conf_cmds); i++, t++) {
664 if (ssl_conf_cmd_allowed(cctx, t)) {
665 if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
666 if (t->str_cmdline && strcmp(t->str_cmdline, cmd) == 0)
669 if (cctx->flags & SSL_CONF_FLAG_FILE) {
670 if (t->str_file && strcasecmp(t->str_file, cmd) == 0)
678 static int ctrl_switch_option(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl * cmd)
680 /* Find index of command in table */
681 size_t idx = cmd - ssl_conf_cmds;
682 const ssl_switch_tbl *scmd;
683 /* Sanity check index */
684 if (idx >= OSSL_NELEM(ssl_cmd_switches))
686 /* Obtain switches entry with same index */
687 scmd = ssl_cmd_switches + idx;
688 ssl_set_option(cctx, scmd->name_flags, scmd->option_value, 1);
692 int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value)
694 const ssl_conf_cmd_tbl *runcmd;
696 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME);
700 if (!ssl_conf_cmd_skip_prefix(cctx, &cmd))
703 runcmd = ssl_conf_cmd_lookup(cctx, cmd);
707 if (runcmd->value_type == SSL_CONF_TYPE_NONE) {
708 return ctrl_switch_option(cctx, runcmd);
712 rv = runcmd->cmd(cctx, value);
717 if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
718 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_BAD_VALUE);
719 ERR_add_error_data(4, "cmd=", cmd, ", value=", value);
724 if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
725 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_UNKNOWN_CMD_NAME);
726 ERR_add_error_data(2, "cmd=", cmd);
732 int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv)
735 const char *arg = NULL, *argn;
736 if (pargc && *pargc == 0)
738 if (!pargc || *pargc > 0)
742 if (!pargc || *pargc > 1)
746 cctx->flags &= ~SSL_CONF_FLAG_FILE;
747 cctx->flags |= SSL_CONF_FLAG_CMDLINE;
748 rv = SSL_CONF_cmd(cctx, arg, argn);
750 /* Success: update pargc, pargv */
756 /* Unknown switch: indicate no arguments processed */
759 /* Some error occurred processing command, return fatal error */
765 int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd)
767 if (ssl_conf_cmd_skip_prefix(cctx, &cmd)) {
768 const ssl_conf_cmd_tbl *runcmd;
769 runcmd = ssl_conf_cmd_lookup(cctx, cmd);
771 return runcmd->value_type;
773 return SSL_CONF_TYPE_UNKNOWN;
776 SSL_CONF_CTX *SSL_CONF_CTX_new(void)
778 SSL_CONF_CTX *ret = OPENSSL_zalloc(sizeof(*ret));
783 int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx)
785 /* See if any certificates are missing private keys */
792 if (c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
793 for (i = 0; i < SSL_PKEY_NUM; i++) {
794 const char *p = cctx->cert_filename[i];
796 * If missing private key try to load one from certificate file
798 if (p && !c->pkeys[i].privatekey) {
799 if (!cmd_PrivateKey(cctx, p))
806 SSL_set_client_CA_list(cctx->ssl, cctx->canames);
808 SSL_CTX_set_client_CA_list(cctx->ctx, cctx->canames);
810 sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
811 cctx->canames = NULL;
816 void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx)
820 for (i = 0; i < SSL_PKEY_NUM; i++)
821 OPENSSL_free(cctx->cert_filename[i]);
822 OPENSSL_free(cctx->prefix);
823 sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
828 unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags)
830 cctx->flags |= flags;
834 unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags)
836 cctx->flags &= ~flags;
840 int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre)
844 tmp = OPENSSL_strdup(pre);
848 OPENSSL_free(cctx->prefix);
851 cctx->prefixlen = strlen(tmp);
857 void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl)
862 cctx->poptions = &ssl->options;
863 cctx->min_version = &ssl->min_proto_version;
864 cctx->max_version = &ssl->max_proto_version;
865 cctx->pcert_flags = &ssl->cert->cert_flags;
866 cctx->pvfy_flags = &ssl->verify_mode;
868 cctx->poptions = NULL;
869 cctx->min_version = NULL;
870 cctx->max_version = NULL;
871 cctx->pcert_flags = NULL;
872 cctx->pvfy_flags = NULL;
876 void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx)
881 cctx->poptions = &ctx->options;
882 cctx->min_version = &ctx->min_proto_version;
883 cctx->max_version = &ctx->max_proto_version;
884 cctx->pcert_flags = &ctx->cert->cert_flags;
885 cctx->pvfy_flags = &ctx->verify_mode;
887 cctx->poptions = NULL;
888 cctx->min_version = NULL;
889 cctx->max_version = NULL;
890 cctx->pcert_flags = NULL;
891 cctx->pvfy_flags = NULL;