/* * ! \file ssl/ssl_conf.c \brief SSL configuration functions */ /* ==================================================================== * Copyright (c) 2012 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * openssl-core@openssl.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.openssl.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #ifdef REF_CHECK # include #endif #include #include "ssl_locl.h" #include #include #ifndef OPENSSL_NO_DH # include #endif /* * structure holding name tables. This is used for pemitted elements in lists * such as TLSv1 and single command line switches such as no_tls1 */ typedef struct { const char *name; int namelen; unsigned int name_flags; unsigned long option_value; } ssl_flag_tbl; /* Sense of name is inverted e.g. "TLSv1" will clear SSL_OP_NO_TLSv1 */ #define SSL_TFLAG_INV 0x1 /* Flags refers to cert_flags not options */ #define SSL_TFLAG_CERT 0x2 /* Option can only be used for clients */ #define SSL_TFLAG_CLIENT SSL_CONF_FLAG_CLIENT /* Option can only be used for servers */ #define SSL_TFLAG_SERVER SSL_CONF_FLAG_SERVER #define SSL_TFLAG_BOTH (SSL_TFLAG_CLIENT|SSL_TFLAG_SERVER) #define SSL_FLAG_TBL(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_BOTH, flag} #define SSL_FLAG_TBL_SRV(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_SERVER, flag} #define SSL_FLAG_TBL_CLI(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_CLIENT, flag} #define SSL_FLAG_TBL_INV(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_BOTH, flag} #define SSL_FLAG_TBL_SRV_INV(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_SERVER, flag} #define SSL_FLAG_TBL_CERT(str, flag) \ {str, (int)(sizeof(str) - 1), SSL_TFLAG_CERT|SSL_TFLAG_BOTH, flag} /* * Opaque structure containing SSL configuration context. */ struct ssl_conf_ctx_st { /* * Various flags indicating (among other things) which options we will * recognise. */ unsigned int flags; /* Prefix and length of commands */ char *prefix; size_t prefixlen; /* SSL_CTX or SSL structure to perform operations on */ SSL_CTX *ctx; SSL *ssl; /* Pointer to SSL or SSL_CTX options field or NULL if none */ unsigned long *poptions; /* Certificate filenames for each type */ char *cert_filename[SSL_PKEY_NUM]; /* Pointer to SSL or SSL_CTX cert_flags or NULL if none */ unsigned int *pcert_flags; /* Current flag table being worked on */ const ssl_flag_tbl *tbl; /* Size of table */ size_t ntbl; }; static int ssl_match_option(SSL_CONF_CTX *cctx, const ssl_flag_tbl *tbl, const char *name, int namelen, int onoff) { /* If name not relevant for context skip */ if (!(cctx->flags & tbl->name_flags & SSL_TFLAG_BOTH)) return 0; if (namelen == -1) { if (strcmp(tbl->name, name)) return 0; } else if (tbl->namelen != namelen || strncasecmp(tbl->name, name, namelen)) return 0; if (cctx->poptions) { if (tbl->name_flags & SSL_TFLAG_INV) onoff ^= 1; if (tbl->name_flags & SSL_TFLAG_CERT) { if (onoff) *cctx->pcert_flags |= tbl->option_value; else *cctx->pcert_flags &= ~tbl->option_value; } else { if (onoff) *cctx->poptions |= tbl->option_value; else *cctx->poptions &= ~tbl->option_value; } } return 1; } static int ssl_set_option_list(const char *elem, int len, void *usr) { SSL_CONF_CTX *cctx = usr; size_t i; const ssl_flag_tbl *tbl; int onoff = 1; /* * len == -1 indicates not being called in list context, just for single * command line switches, so don't allow +, -. */ if (elem == NULL) return 0; if (len != -1) { if (*elem == '+') { elem++; len--; onoff = 1; } else if (*elem == '-') { elem++; len--; onoff = 0; } } for (i = 0, tbl = cctx->tbl; i < cctx->ntbl; i++, tbl++) { if (ssl_match_option(cctx, tbl, elem, len, onoff)) return 1; } return 0; } /* Single command line switches with no argument e.g. -no_ssl3 */ static int ctrl_str_option(SSL_CONF_CTX *cctx, const char *cmd) { static const ssl_flag_tbl ssl_option_single[] = { SSL_FLAG_TBL("no_ssl3", SSL_OP_NO_SSLv3), SSL_FLAG_TBL("no_tls1", SSL_OP_NO_TLSv1), SSL_FLAG_TBL("no_tls1_1", SSL_OP_NO_TLSv1_1), SSL_FLAG_TBL("no_tls1_2", SSL_OP_NO_TLSv1_2), SSL_FLAG_TBL("bugs", SSL_OP_ALL), SSL_FLAG_TBL("no_comp", SSL_OP_NO_COMPRESSION), SSL_FLAG_TBL_SRV("ecdh_single", SSL_OP_SINGLE_ECDH_USE), #ifndef OPENSSL_NO_TLSEXT SSL_FLAG_TBL("no_ticket", SSL_OP_NO_TICKET), #endif SSL_FLAG_TBL_SRV("serverpref", SSL_OP_CIPHER_SERVER_PREFERENCE), SSL_FLAG_TBL("legacy_renegotiation", SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION), SSL_FLAG_TBL_SRV("legacy_server_connect", SSL_OP_LEGACY_SERVER_CONNECT), SSL_FLAG_TBL_SRV("no_resumption_on_reneg", SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION), SSL_FLAG_TBL_SRV_INV("no_legacy_server_connect", SSL_OP_LEGACY_SERVER_CONNECT), SSL_FLAG_TBL_CERT("strict", SSL_CERT_FLAG_TLS_STRICT), #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL SSL_FLAG_TBL_CERT("debug_broken_protocol", SSL_CERT_FLAG_BROKEN_PROTOCOL), #endif }; cctx->tbl = ssl_option_single; cctx->ntbl = sizeof(ssl_option_single) / sizeof(ssl_flag_tbl); return ssl_set_option_list(cmd, -1, cctx); } /* Set supported signature algorithms */ static int cmd_SignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value) { int rv; if (cctx->ssl) rv = SSL_set1_sigalgs_list(cctx->ssl, value); /* NB: ctx == NULL performs syntax checking only */ else rv = SSL_CTX_set1_sigalgs_list(cctx->ctx, value); return rv > 0; } /* Set supported client signature algorithms */ static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value) { int rv; if (cctx->ssl) rv = SSL_set1_client_sigalgs_list(cctx->ssl, value); /* NB: ctx == NULL performs syntax checking only */ else rv = SSL_CTX_set1_client_sigalgs_list(cctx->ctx, value); return rv > 0; } static int cmd_Curves(SSL_CONF_CTX *cctx, const char *value) { int rv; if (cctx->ssl) rv = SSL_set1_curves_list(cctx->ssl, value); /* NB: ctx == NULL performs syntax checking only */ else rv = SSL_CTX_set1_curves_list(cctx->ctx, value); return rv > 0; } #ifndef OPENSSL_NO_EC /* ECDH temporary parameters */ static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value) { int onoff = -1, rv = 1; if (!(cctx->flags & SSL_CONF_FLAG_SERVER)) return -2; if (cctx->flags & SSL_CONF_FLAG_FILE) { if (*value == '+') { onoff = 1; value++; } if (*value == '-') { onoff = 0; value++; } if (!strcasecmp(value, "automatic")) { if (onoff == -1) onoff = 1; } else if (onoff != -1) return 0; } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) { if (!strcmp(value, "auto")) onoff = 1; } if (onoff != -1) { if (cctx->ctx) rv = SSL_CTX_set_ecdh_auto(cctx->ctx, onoff); else if (cctx->ssl) rv = SSL_set_ecdh_auto(cctx->ssl, onoff); } else { EC_KEY *ecdh; int nid; nid = EC_curve_nist2nid(value); if (nid == NID_undef) nid = OBJ_sn2nid(value); if (nid == 0) return 0; ecdh = EC_KEY_new_by_curve_name(nid); if (!ecdh) return 0; if (cctx->ctx) rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh); else if (cctx->ssl) rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh); EC_KEY_free(ecdh); } return rv > 0; } #endif static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value) { int rv = 1; if (cctx->ctx) rv = SSL_CTX_set_cipher_list(cctx->ctx, value); if (cctx->ssl) rv = SSL_set_cipher_list(cctx->ssl, value); return rv > 0; } static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value) { static const ssl_flag_tbl ssl_protocol_list[] = { SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK), SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2), SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3), SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1), SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1), SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2) }; if (!(cctx->flags & SSL_CONF_FLAG_FILE)) return -2; cctx->tbl = ssl_protocol_list; cctx->ntbl = sizeof(ssl_protocol_list) / sizeof(ssl_flag_tbl); return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx); } static int cmd_Options(SSL_CONF_CTX *cctx, const char *value) { static const ssl_flag_tbl ssl_option_list[] = { SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET), SSL_FLAG_TBL_INV("EmptyFragments", SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS), SSL_FLAG_TBL("Bugs", SSL_OP_ALL), SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION), SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE), SSL_FLAG_TBL_SRV("NoResumptionOnRenegotiation", SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION), SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE), SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE), SSL_FLAG_TBL("UnsafeLegacyRenegotiation", SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION), }; if (!(cctx->flags & SSL_CONF_FLAG_FILE)) return -2; if (value == NULL) return -3; cctx->tbl = ssl_option_list; cctx->ntbl = sizeof(ssl_option_list) / sizeof(ssl_flag_tbl); return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx); } static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value) { int rv = 1; CERT *c = NULL; if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE)) return -2; if (cctx->ctx) { rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value); c = cctx->ctx->cert; } if (cctx->ssl) { rv = SSL_use_certificate_file(cctx->ssl, value, SSL_FILETYPE_PEM); c = cctx->ssl->cert; } if (rv > 0 && c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) { char **pfilename = &cctx->cert_filename[c->key - c->pkeys]; if (*pfilename) OPENSSL_free(*pfilename); *pfilename = BUF_strdup(value); if (!*pfilename) rv = 0; } return rv > 0; } static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value) { int rv = 1; if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE)) return -2; if (cctx->ctx) rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM); if (cctx->ssl) rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM); return rv > 0; } static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value) { int rv = 1; if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE)) return -2; if (!(cctx->flags & SSL_CONF_FLAG_SERVER)) return -2; if (cctx->ctx) rv = SSL_CTX_use_serverinfo_file(cctx->ctx, value); return rv > 0; } #ifndef OPENSSL_NO_DH static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value) { int rv = 0; DH *dh = NULL; BIO *in = NULL; if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE)) return -2; if (cctx->ctx || cctx->ssl) { in = BIO_new(BIO_s_file_internal()); if (!in) goto end; if (BIO_read_filename(in, value) <= 0) goto end; dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); if (!dh) goto end; } else return 1; if (cctx->ctx) rv = SSL_CTX_set_tmp_dh(cctx->ctx, dh); if (cctx->ssl) rv = SSL_set_tmp_dh(cctx->ssl, dh); end: DH_free(dh); if (in) BIO_free(in); return rv > 0; } #endif typedef struct { int (*cmd) (SSL_CONF_CTX *cctx, const char *value); const char *str_file; const char *str_cmdline; unsigned int value_type; } ssl_conf_cmd_tbl; /* Table of supported parameters */ #define SSL_CONF_CMD(name, cmdopt, type) \ {cmd_##name, #name, cmdopt, type} #define SSL_CONF_CMD_STRING(name, cmdopt) \ SSL_CONF_CMD(name, cmdopt, SSL_CONF_TYPE_STRING) static const ssl_conf_cmd_tbl ssl_conf_cmds[] = { SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs"), SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs"), SSL_CONF_CMD_STRING(Curves, "curves"), #ifndef OPENSSL_NO_EC SSL_CONF_CMD_STRING(ECDHParameters, "named_curve"), #endif SSL_CONF_CMD_STRING(CipherString, "cipher"), SSL_CONF_CMD_STRING(Protocol, NULL), SSL_CONF_CMD_STRING(Options, NULL), SSL_CONF_CMD(Certificate, "cert", SSL_CONF_TYPE_FILE), SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_TYPE_FILE), SSL_CONF_CMD(ServerInfoFile, NULL, SSL_CONF_TYPE_FILE), #ifndef OPENSSL_NO_DH SSL_CONF_CMD(DHParameters, "dhparam", SSL_CONF_TYPE_FILE) #endif }; static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd) { if (!pcmd || !*pcmd) return 0; /* If a prefix is set, check and skip */ if (cctx->prefix) { if (strlen(*pcmd) <= cctx->prefixlen) return 0; if (cctx->flags & SSL_CONF_FLAG_CMDLINE && strncmp(*pcmd, cctx->prefix, cctx->prefixlen)) return 0; if (cctx->flags & SSL_CONF_FLAG_FILE && strncasecmp(*pcmd, cctx->prefix, cctx->prefixlen)) return 0; *pcmd += cctx->prefixlen; } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) { if (**pcmd != '-' || !(*pcmd)[1]) return 0; *pcmd += 1; } return 1; } static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx, const char *cmd) { const ssl_conf_cmd_tbl *t; size_t i; if (cmd == NULL) return NULL; /* Look for matching parameter name in table */ for (i = 0, t = ssl_conf_cmds; i < sizeof(ssl_conf_cmds) / sizeof(ssl_conf_cmd_tbl); i++, t++) { if (cctx->flags & SSL_CONF_FLAG_CMDLINE) { if (t->str_cmdline && !strcmp(t->str_cmdline, cmd)) return t; } if (cctx->flags & SSL_CONF_FLAG_FILE) { if (t->str_file && !strcasecmp(t->str_file, cmd)) return t; } } return NULL; } int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value) { const ssl_conf_cmd_tbl *runcmd; if (cmd == NULL) { SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME); return 0; } if (!ssl_conf_cmd_skip_prefix(cctx, &cmd)) return -2; runcmd = ssl_conf_cmd_lookup(cctx, cmd); if (runcmd) { int rv; if (value == NULL) return -3; rv = runcmd->cmd(cctx, value); if (rv > 0) return 2; if (rv == -2) return -2; if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) { SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_BAD_VALUE); ERR_add_error_data(4, "cmd=", cmd, ", value=", value); } return 0; } if (cctx->flags & SSL_CONF_FLAG_CMDLINE) { if (ctrl_str_option(cctx, cmd)) return 1; } if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) { SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_UNKNOWN_CMD_NAME); ERR_add_error_data(2, "cmd=", cmd); } return -2; } int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv) { int rv; const char *arg = NULL, *argn; if (pargc && *pargc == 0) return 0; if (!pargc || *pargc > 0) arg = **pargv; if (arg == NULL) return 0; if (!pargc || *pargc > 1) argn = (*pargv)[1]; else argn = NULL; cctx->flags &= ~SSL_CONF_FLAG_FILE; cctx->flags |= SSL_CONF_FLAG_CMDLINE; rv = SSL_CONF_cmd(cctx, arg, argn); if (rv > 0) { /* Success: update pargc, pargv */ (*pargv) += rv; if (pargc) (*pargc) -= rv; return rv; } /* Unknown switch: indicate no arguments processed */ if (rv == -2) return 0; /* Some error occurred processing command, return fatal error */ if (rv == 0) return -1; return rv; } int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd) { if (ssl_conf_cmd_skip_prefix(cctx, &cmd)) { const ssl_conf_cmd_tbl *runcmd; runcmd = ssl_conf_cmd_lookup(cctx, cmd); if (runcmd) return runcmd->value_type; } return SSL_CONF_TYPE_UNKNOWN; } SSL_CONF_CTX *SSL_CONF_CTX_new(void) { SSL_CONF_CTX *ret; size_t i; ret = OPENSSL_malloc(sizeof(SSL_CONF_CTX)); if (ret) { ret->flags = 0; ret->prefix = NULL; ret->prefixlen = 0; ret->ssl = NULL; ret->ctx = NULL; ret->poptions = NULL; ret->pcert_flags = NULL; ret->tbl = NULL; ret->ntbl = 0; for (i = 0; i < SSL_PKEY_NUM; i++) ret->cert_filename[i] = NULL; } return ret; } int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx) { /* See if any certificates are missing private keys */ size_t i; CERT *c = NULL; if (cctx->ctx) c = cctx->ctx->cert; else if (cctx->ssl) c = cctx->ssl->cert; if (c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) { for (i = 0; i < SSL_PKEY_NUM; i++) { const char *p = cctx->cert_filename[i]; /* * If missing private key try to load one from certificate file */ if (p && !c->pkeys[i].privatekey) { if (!cmd_PrivateKey(cctx, p)) return 0; } } } return 1; } void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx) { if (cctx) { size_t i; for (i = 0; i < SSL_PKEY_NUM; i++) { if (cctx->cert_filename[i]) OPENSSL_free(cctx->cert_filename[i]); } if (cctx->prefix) OPENSSL_free(cctx->prefix); OPENSSL_free(cctx); } } unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags) { cctx->flags |= flags; return cctx->flags; } unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags) { cctx->flags &= ~flags; return cctx->flags; } int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre) { char *tmp = NULL; if (pre) { tmp = BUF_strdup(pre); if (tmp == NULL) return 0; } if (cctx->prefix) OPENSSL_free(cctx->prefix); cctx->prefix = tmp; if (tmp) cctx->prefixlen = strlen(tmp); else cctx->prefixlen = 0; return 1; } void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl) { cctx->ssl = ssl; cctx->ctx = NULL; if (ssl) { cctx->poptions = &ssl->options; cctx->pcert_flags = &ssl->cert->cert_flags; } else { cctx->poptions = NULL; cctx->pcert_flags = NULL; } } void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx) { cctx->ctx = ctx; cctx->ssl = NULL; if (ctx) { cctx->poptions = &ctx->options; cctx->pcert_flags = &ctx->cert->cert_flags; } else { cctx->poptions = NULL; cctx->pcert_flags = NULL; } }