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_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 nid = EC_curve_nist2nid(value);
225 if (nid == NID_undef)
226 nid = OBJ_sn2nid(value);
229 ecdh = EC_KEY_new_by_curve_name(nid);
233 rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh);
235 rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh);
241 static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value)
245 rv = SSL_CTX_set_cipher_list(cctx->ctx, value);
247 rv = SSL_set_cipher_list(cctx->ssl, value);
251 static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value)
253 static const ssl_flag_tbl ssl_protocol_list[] = {
254 SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK),
255 SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2),
256 SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3),
257 SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1),
258 SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1),
259 SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2),
260 SSL_FLAG_TBL_INV("DTLSv1", SSL_OP_NO_DTLSv1),
261 SSL_FLAG_TBL_INV("DTLSv1.2", SSL_OP_NO_DTLSv1_2)
263 cctx->tbl = ssl_protocol_list;
264 cctx->ntbl = OSSL_NELEM(ssl_protocol_list);
265 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
269 * protocol_from_string - converts a protocol version string to a number
271 * Returns -1 on failure or the version on success
273 static int protocol_from_string(const char *value)
275 struct protocol_versions {
279 static const struct protocol_versions versions[] = {
281 {"SSLv3", SSL3_VERSION},
282 {"TLSv1", TLS1_VERSION},
283 {"TLSv1.1", TLS1_1_VERSION},
284 {"TLSv1.2", TLS1_2_VERSION},
285 {"DTLSv1", DTLS1_VERSION},
286 {"DTLSv1.2", DTLS1_2_VERSION}
289 size_t n = OSSL_NELEM(versions);
291 for (i = 0; i < n; i++)
292 if (strcmp(versions[i].name, value) == 0)
293 return versions[i].version;
297 static int min_max_proto(SSL_CONF_CTX *cctx, const char *value, int *bound)
302 if (cctx->ctx != NULL)
303 method_version = cctx->ctx->method->version;
304 else if (cctx->ssl != NULL)
305 method_version = cctx->ssl->ctx->method->version;
308 if ((new_version = protocol_from_string(value)) < 0)
310 return ssl_set_version_bound(method_version, new_version, bound);
314 * cmd_MinProtocol - Set min protocol version
315 * @cctx: config structure to save settings in
316 * @value: The min protocol version in string form
318 * Returns 1 on success and 0 on failure.
320 static int cmd_MinProtocol(SSL_CONF_CTX *cctx, const char *value)
322 return min_max_proto(cctx, value, cctx->min_version);
326 * cmd_MaxProtocol - Set max protocol version
327 * @cctx: config structure to save settings in
328 * @value: The max protocol version in string form
330 * Returns 1 on success and 0 on failure.
332 static int cmd_MaxProtocol(SSL_CONF_CTX *cctx, const char *value)
334 return min_max_proto(cctx, value, cctx->max_version);
337 static int cmd_Options(SSL_CONF_CTX *cctx, const char *value)
339 static const ssl_flag_tbl ssl_option_list[] = {
340 SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET),
341 SSL_FLAG_TBL_INV("EmptyFragments",
342 SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS),
343 SSL_FLAG_TBL("Bugs", SSL_OP_ALL),
344 SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION),
345 SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE),
346 SSL_FLAG_TBL_SRV("NoResumptionOnRenegotiation",
347 SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION),
348 SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE),
349 SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE),
350 SSL_FLAG_TBL("UnsafeLegacyRenegotiation",
351 SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION),
355 cctx->tbl = ssl_option_list;
356 cctx->ntbl = OSSL_NELEM(ssl_option_list);
357 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
360 static int cmd_VerifyMode(SSL_CONF_CTX *cctx, const char *value)
362 static const ssl_flag_tbl ssl_vfy_list[] = {
363 SSL_FLAG_VFY_CLI("Peer", SSL_VERIFY_PEER),
364 SSL_FLAG_VFY_SRV("Request", SSL_VERIFY_PEER),
365 SSL_FLAG_VFY_SRV("Require",
366 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT),
367 SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE)
371 cctx->tbl = ssl_vfy_list;
372 cctx->ntbl = OSSL_NELEM(ssl_vfy_list);
373 return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
376 static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value)
381 rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value);
385 rv = SSL_use_certificate_chain_file(cctx->ssl, value);
388 if (rv > 0 && c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
389 char **pfilename = &cctx->cert_filename[c->key - c->pkeys];
390 OPENSSL_free(*pfilename);
391 *pfilename = OPENSSL_strdup(value);
399 static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value)
402 if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE))
405 rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM);
407 rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM);
411 static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value)
415 rv = SSL_CTX_use_serverinfo_file(cctx->ctx, value);
419 static int do_store(SSL_CONF_CTX *cctx,
420 const char *CAfile, const char *CApath, int verify_store)
425 cert = cctx->ctx->cert;
427 cert = cctx->ssl->cert;
430 st = verify_store ? &cert->verify_store : &cert->chain_store;
432 *st = X509_STORE_new();
436 return X509_STORE_load_locations(*st, CAfile, CApath) > 0;
439 static int cmd_ChainCAPath(SSL_CONF_CTX *cctx, const char *value)
441 return do_store(cctx, NULL, value, 0);
444 static int cmd_ChainCAFile(SSL_CONF_CTX *cctx, const char *value)
446 return do_store(cctx, value, NULL, 0);
449 static int cmd_VerifyCAPath(SSL_CONF_CTX *cctx, const char *value)
451 return do_store(cctx, NULL, value, 1);
454 static int cmd_VerifyCAFile(SSL_CONF_CTX *cctx, const char *value)
456 return do_store(cctx, value, NULL, 1);
459 static int cmd_ClientCAFile(SSL_CONF_CTX *cctx, const char *value)
461 if (cctx->canames == NULL)
462 cctx->canames = sk_X509_NAME_new_null();
463 if (cctx->canames == NULL)
465 return SSL_add_file_cert_subjects_to_stack(cctx->canames, value);
468 static int cmd_ClientCAPath(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_dir_cert_subjects_to_stack(cctx->canames, value);
477 #ifndef OPENSSL_NO_DH
478 static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value)
483 if (cctx->ctx || cctx->ssl) {
484 in = BIO_new(BIO_s_file());
487 if (BIO_read_filename(in, value) <= 0)
489 dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
495 rv = SSL_CTX_set_tmp_dh(cctx->ctx, dh);
497 rv = SSL_set_tmp_dh(cctx->ssl, dh);
505 int (*cmd) (SSL_CONF_CTX *cctx, const char *value);
506 const char *str_file;
507 const char *str_cmdline;
508 unsigned short flags;
509 unsigned short value_type;
512 /* Table of supported parameters */
514 #define SSL_CONF_CMD(name, cmdopt, flags, type) \
515 {cmd_##name, #name, cmdopt, flags, type}
517 #define SSL_CONF_CMD_STRING(name, cmdopt, flags) \
518 SSL_CONF_CMD(name, cmdopt, flags, SSL_CONF_TYPE_STRING)
520 #define SSL_CONF_CMD_SWITCH(name, flags) \
521 {0, NULL, name, flags, SSL_CONF_TYPE_NONE}
523 /* See apps/apps.h if you change this table. */
524 static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
525 SSL_CONF_CMD_SWITCH("no_ssl3", 0),
526 SSL_CONF_CMD_SWITCH("no_tls1", 0),
527 SSL_CONF_CMD_SWITCH("no_tls1_1", 0),
528 SSL_CONF_CMD_SWITCH("no_tls1_2", 0),
529 SSL_CONF_CMD_SWITCH("bugs", 0),
530 SSL_CONF_CMD_SWITCH("no_comp", 0),
531 SSL_CONF_CMD_SWITCH("comp", 0),
532 SSL_CONF_CMD_SWITCH("ecdh_single", SSL_CONF_FLAG_SERVER),
533 SSL_CONF_CMD_SWITCH("no_ticket", 0),
534 SSL_CONF_CMD_SWITCH("serverpref", SSL_CONF_FLAG_SERVER),
535 SSL_CONF_CMD_SWITCH("legacy_renegotiation", 0),
536 SSL_CONF_CMD_SWITCH("legacy_server_connect", SSL_CONF_FLAG_SERVER),
537 SSL_CONF_CMD_SWITCH("no_resumption_on_reneg", SSL_CONF_FLAG_SERVER),
538 SSL_CONF_CMD_SWITCH("no_legacy_server_connect", SSL_CONF_FLAG_SERVER),
539 SSL_CONF_CMD_SWITCH("strict", 0),
540 SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs", 0),
541 SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0),
542 SSL_CONF_CMD_STRING(Curves, "curves", 0),
543 #ifndef OPENSSL_NO_EC
544 SSL_CONF_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER),
546 SSL_CONF_CMD_STRING(CipherString, "cipher", 0),
547 SSL_CONF_CMD_STRING(Protocol, NULL, 0),
548 SSL_CONF_CMD_STRING(MinProtocol, "min_protocol", 0),
549 SSL_CONF_CMD_STRING(MaxProtocol, "max_protocol", 0),
550 SSL_CONF_CMD_STRING(Options, NULL, 0),
551 SSL_CONF_CMD_STRING(VerifyMode, NULL, 0),
552 SSL_CONF_CMD(Certificate, "cert", SSL_CONF_FLAG_CERTIFICATE,
554 SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_FLAG_CERTIFICATE,
556 SSL_CONF_CMD(ServerInfoFile, NULL,
557 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
559 SSL_CONF_CMD(ChainCAPath, "chainCApath", SSL_CONF_FLAG_CERTIFICATE,
561 SSL_CONF_CMD(ChainCAFile, "chainCAfile", SSL_CONF_FLAG_CERTIFICATE,
563 SSL_CONF_CMD(VerifyCAPath, "verifyCApath", SSL_CONF_FLAG_CERTIFICATE,
565 SSL_CONF_CMD(VerifyCAFile, "verifyCAfile", SSL_CONF_FLAG_CERTIFICATE,
567 SSL_CONF_CMD(ClientCAFile, NULL,
568 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
570 SSL_CONF_CMD(ClientCAPath, NULL,
571 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
573 #ifndef OPENSSL_NO_DH
574 SSL_CONF_CMD(DHParameters, "dhparam",
575 SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
580 /* Supported switches: must match order of switches in ssl_conf_cmds */
581 static const ssl_switch_tbl ssl_cmd_switches[] = {
582 {SSL_OP_NO_SSLv3, 0}, /* no_ssl3 */
583 {SSL_OP_NO_TLSv1, 0}, /* no_tls1 */
584 {SSL_OP_NO_TLSv1_1, 0}, /* no_tls1_1 */
585 {SSL_OP_NO_TLSv1_2, 0}, /* no_tls1_2 */
586 {SSL_OP_ALL, 0}, /* bugs */
587 {SSL_OP_NO_COMPRESSION, 0}, /* no_comp */
588 {SSL_OP_NO_COMPRESSION, SSL_TFLAG_INV}, /* comp */
589 {SSL_OP_SINGLE_ECDH_USE, 0}, /* ecdh_single */
590 {SSL_OP_NO_TICKET, 0}, /* no_ticket */
591 {SSL_OP_CIPHER_SERVER_PREFERENCE, 0}, /* serverpref */
592 /* legacy_renegotiation */
593 {SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION, 0},
594 /* legacy_server_connect */
595 {SSL_OP_LEGACY_SERVER_CONNECT, 0},
596 /* no_resumption_on_reneg */
597 {SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION, 0},
598 /* no_legacy_server_connect */
599 {SSL_OP_LEGACY_SERVER_CONNECT, SSL_TFLAG_INV},
600 {SSL_CERT_FLAG_TLS_STRICT, SSL_TFLAG_CERT}, /* strict */
603 static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd)
607 /* If a prefix is set, check and skip */
609 if (strlen(*pcmd) <= cctx->prefixlen)
611 if (cctx->flags & SSL_CONF_FLAG_CMDLINE &&
612 strncmp(*pcmd, cctx->prefix, cctx->prefixlen))
614 if (cctx->flags & SSL_CONF_FLAG_FILE &&
615 strncasecmp(*pcmd, cctx->prefix, cctx->prefixlen))
617 *pcmd += cctx->prefixlen;
618 } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
619 if (**pcmd != '-' || !(*pcmd)[1])
626 /* Determine if a command is allowed according to cctx flags */
627 static int ssl_conf_cmd_allowed(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl * t)
629 unsigned int tfl = t->flags;
630 unsigned int cfl = cctx->flags;
631 if ((tfl & SSL_CONF_FLAG_SERVER) && !(cfl & SSL_CONF_FLAG_SERVER))
633 if ((tfl & SSL_CONF_FLAG_CLIENT) && !(cfl & SSL_CONF_FLAG_CLIENT))
635 if ((tfl & SSL_CONF_FLAG_CERTIFICATE)
636 && !(cfl & SSL_CONF_FLAG_CERTIFICATE))
641 static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx,
644 const ssl_conf_cmd_tbl *t;
649 /* Look for matching parameter name in table */
650 for (i = 0, t = ssl_conf_cmds; i < OSSL_NELEM(ssl_conf_cmds); i++, t++) {
651 if (ssl_conf_cmd_allowed(cctx, t)) {
652 if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
653 if (t->str_cmdline && strcmp(t->str_cmdline, cmd) == 0)
656 if (cctx->flags & SSL_CONF_FLAG_FILE) {
657 if (t->str_file && strcasecmp(t->str_file, cmd) == 0)
665 static int ctrl_switch_option(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl * cmd)
667 /* Find index of command in table */
668 size_t idx = cmd - ssl_conf_cmds;
669 const ssl_switch_tbl *scmd;
670 /* Sanity check index */
671 if (idx >= OSSL_NELEM(ssl_cmd_switches))
673 /* Obtain switches entry with same index */
674 scmd = ssl_cmd_switches + idx;
675 ssl_set_option(cctx, scmd->name_flags, scmd->option_value, 1);
679 int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value)
681 const ssl_conf_cmd_tbl *runcmd;
683 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME);
687 if (!ssl_conf_cmd_skip_prefix(cctx, &cmd))
690 runcmd = ssl_conf_cmd_lookup(cctx, cmd);
694 if (runcmd->value_type == SSL_CONF_TYPE_NONE) {
695 return ctrl_switch_option(cctx, runcmd);
699 rv = runcmd->cmd(cctx, value);
704 if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
705 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_BAD_VALUE);
706 ERR_add_error_data(4, "cmd=", cmd, ", value=", value);
711 if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
712 SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_UNKNOWN_CMD_NAME);
713 ERR_add_error_data(2, "cmd=", cmd);
719 int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv)
722 const char *arg = NULL, *argn;
723 if (pargc && *pargc == 0)
725 if (!pargc || *pargc > 0)
729 if (!pargc || *pargc > 1)
733 cctx->flags &= ~SSL_CONF_FLAG_FILE;
734 cctx->flags |= SSL_CONF_FLAG_CMDLINE;
735 rv = SSL_CONF_cmd(cctx, arg, argn);
737 /* Success: update pargc, pargv */
743 /* Unknown switch: indicate no arguments processed */
746 /* Some error occurred processing command, return fatal error */
752 int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd)
754 if (ssl_conf_cmd_skip_prefix(cctx, &cmd)) {
755 const ssl_conf_cmd_tbl *runcmd;
756 runcmd = ssl_conf_cmd_lookup(cctx, cmd);
758 return runcmd->value_type;
760 return SSL_CONF_TYPE_UNKNOWN;
763 SSL_CONF_CTX *SSL_CONF_CTX_new(void)
765 SSL_CONF_CTX *ret = OPENSSL_zalloc(sizeof(*ret));
770 int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx)
772 /* See if any certificates are missing private keys */
779 if (c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
780 for (i = 0; i < SSL_PKEY_NUM; i++) {
781 const char *p = cctx->cert_filename[i];
783 * If missing private key try to load one from certificate file
785 if (p && !c->pkeys[i].privatekey) {
786 if (!cmd_PrivateKey(cctx, p))
793 SSL_set_client_CA_list(cctx->ssl, cctx->canames);
795 SSL_CTX_set_client_CA_list(cctx->ctx, cctx->canames);
797 sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
798 cctx->canames = NULL;
803 void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx)
807 for (i = 0; i < SSL_PKEY_NUM; i++)
808 OPENSSL_free(cctx->cert_filename[i]);
809 OPENSSL_free(cctx->prefix);
810 sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
815 unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags)
817 cctx->flags |= flags;
821 unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags)
823 cctx->flags &= ~flags;
827 int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre)
831 tmp = OPENSSL_strdup(pre);
835 OPENSSL_free(cctx->prefix);
838 cctx->prefixlen = strlen(tmp);
844 void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl)
849 cctx->poptions = &ssl->options;
850 cctx->min_version = &ssl->min_proto_version;
851 cctx->max_version = &ssl->max_proto_version;
852 cctx->pcert_flags = &ssl->cert->cert_flags;
853 cctx->pvfy_flags = &ssl->verify_mode;
855 cctx->poptions = NULL;
856 cctx->min_version = NULL;
857 cctx->max_version = NULL;
858 cctx->pcert_flags = NULL;
859 cctx->pvfy_flags = NULL;
863 void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx)
868 cctx->poptions = &ctx->options;
869 cctx->min_version = &ctx->min_proto_version;
870 cctx->max_version = &ctx->max_proto_version;
871 cctx->pcert_flags = &ctx->cert->cert_flags;
872 cctx->pvfy_flags = &ctx->verify_mode;
874 cctx->poptions = NULL;
875 cctx->min_version = NULL;
876 cctx->max_version = NULL;
877 cctx->pcert_flags = NULL;
878 cctx->pvfy_flags = NULL;