422196759f
Same rationale as the previous commits.
692 lines
21 KiB
C
692 lines
21 KiB
C
/*
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* ! \file ssl/ssl_conf.c \brief SSL configuration functions
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*/
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/* ====================================================================
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* Copyright (c) 2012 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#ifdef REF_CHECK
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# include <assert.h>
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#endif
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#include <stdio.h>
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#include "ssl_locl.h"
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#include <openssl/conf.h>
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#include <openssl/objects.h>
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#ifndef OPENSSL_NO_DH
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# include <openssl/dh.h>
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#endif
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/*
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* structure holding name tables. This is used for pemitted elements in lists
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* such as TLSv1 and single command line switches such as no_tls1
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*/
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typedef struct {
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const char *name;
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int namelen;
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unsigned int name_flags;
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unsigned long option_value;
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} ssl_flag_tbl;
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/* Sense of name is inverted e.g. "TLSv1" will clear SSL_OP_NO_TLSv1 */
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#define SSL_TFLAG_INV 0x1
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/* Flags refers to cert_flags not options */
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#define SSL_TFLAG_CERT 0x2
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/* Option can only be used for clients */
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#define SSL_TFLAG_CLIENT SSL_CONF_FLAG_CLIENT
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/* Option can only be used for servers */
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#define SSL_TFLAG_SERVER SSL_CONF_FLAG_SERVER
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#define SSL_TFLAG_BOTH (SSL_TFLAG_CLIENT|SSL_TFLAG_SERVER)
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#define SSL_FLAG_TBL(str, flag) \
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{str, (int)(sizeof(str) - 1), SSL_TFLAG_BOTH, flag}
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#define SSL_FLAG_TBL_SRV(str, flag) \
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{str, (int)(sizeof(str) - 1), SSL_TFLAG_SERVER, flag}
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#define SSL_FLAG_TBL_CLI(str, flag) \
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{str, (int)(sizeof(str) - 1), SSL_TFLAG_CLIENT, flag}
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#define SSL_FLAG_TBL_INV(str, flag) \
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{str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_BOTH, flag}
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#define SSL_FLAG_TBL_SRV_INV(str, flag) \
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{str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_SERVER, flag}
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#define SSL_FLAG_TBL_CERT(str, flag) \
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{str, (int)(sizeof(str) - 1), SSL_TFLAG_CERT|SSL_TFLAG_BOTH, flag}
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/*
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* Opaque structure containing SSL configuration context.
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*/
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struct ssl_conf_ctx_st {
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/*
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* Various flags indicating (among other things) which options we will
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* recognise.
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*/
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unsigned int flags;
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/* Prefix and length of commands */
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char *prefix;
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size_t prefixlen;
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/* SSL_CTX or SSL structure to perform operations on */
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SSL_CTX *ctx;
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SSL *ssl;
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/* Pointer to SSL or SSL_CTX options field or NULL if none */
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unsigned long *poptions;
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/* Pointer to SSL or SSL_CTX cert_flags or NULL if none */
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unsigned int *pcert_flags;
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/* Current flag table being worked on */
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const ssl_flag_tbl *tbl;
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/* Size of table */
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size_t ntbl;
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};
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static int ssl_match_option(SSL_CONF_CTX *cctx, const ssl_flag_tbl *tbl,
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const char *name, int namelen, int onoff)
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{
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/* If name not relevant for context skip */
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if (!(cctx->flags & tbl->name_flags & SSL_TFLAG_BOTH))
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return 0;
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if (namelen == -1) {
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if (strcmp(tbl->name, name))
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return 0;
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} else if (tbl->namelen != namelen
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|| strncasecmp(tbl->name, name, namelen))
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return 0;
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if (cctx->poptions) {
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if (tbl->name_flags & SSL_TFLAG_INV)
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onoff ^= 1;
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if (tbl->name_flags & SSL_TFLAG_CERT) {
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if (onoff)
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*cctx->pcert_flags |= tbl->option_value;
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else
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*cctx->pcert_flags &= ~tbl->option_value;
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} else {
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if (onoff)
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*cctx->poptions |= tbl->option_value;
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else
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*cctx->poptions &= ~tbl->option_value;
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}
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}
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return 1;
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}
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static int ssl_set_option_list(const char *elem, int len, void *usr)
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{
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SSL_CONF_CTX *cctx = usr;
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size_t i;
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const ssl_flag_tbl *tbl;
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int onoff = 1;
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/*
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* len == -1 indicates not being called in list context, just for single
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* command line switches, so don't allow +, -.
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*/
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if (elem == NULL)
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return 0;
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if (len != -1) {
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if (*elem == '+') {
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elem++;
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len--;
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onoff = 1;
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} else if (*elem == '-') {
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elem++;
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len--;
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onoff = 0;
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}
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}
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for (i = 0, tbl = cctx->tbl; i < cctx->ntbl; i++, tbl++) {
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if (ssl_match_option(cctx, tbl, elem, len, onoff))
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return 1;
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}
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return 0;
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}
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/* Single command line switches with no argument e.g. -no_ssl3 */
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static int ctrl_str_option(SSL_CONF_CTX *cctx, const char *cmd)
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{
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static const ssl_flag_tbl ssl_option_single[] = {
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SSL_FLAG_TBL("no_ssl2", SSL_OP_NO_SSLv2),
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SSL_FLAG_TBL("no_ssl3", SSL_OP_NO_SSLv3),
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SSL_FLAG_TBL("no_tls1", SSL_OP_NO_TLSv1),
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SSL_FLAG_TBL("no_tls1_1", SSL_OP_NO_TLSv1_1),
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SSL_FLAG_TBL("no_tls1_2", SSL_OP_NO_TLSv1_2),
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SSL_FLAG_TBL("bugs", SSL_OP_ALL),
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SSL_FLAG_TBL("no_comp", SSL_OP_NO_COMPRESSION),
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SSL_FLAG_TBL_SRV("ecdh_single", SSL_OP_SINGLE_ECDH_USE),
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#ifndef OPENSSL_NO_TLSEXT
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SSL_FLAG_TBL("no_ticket", SSL_OP_NO_TICKET),
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#endif
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SSL_FLAG_TBL_SRV("serverpref", SSL_OP_CIPHER_SERVER_PREFERENCE),
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SSL_FLAG_TBL("legacy_renegotiation",
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SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION),
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SSL_FLAG_TBL_SRV("legacy_server_connect",
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SSL_OP_LEGACY_SERVER_CONNECT),
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SSL_FLAG_TBL_SRV("no_resumption_on_reneg",
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SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION),
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SSL_FLAG_TBL_SRV_INV("no_legacy_server_connect",
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SSL_OP_LEGACY_SERVER_CONNECT),
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SSL_FLAG_TBL_CERT("strict", SSL_CERT_FLAG_TLS_STRICT),
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#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
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SSL_FLAG_TBL_CERT("debug_broken_protocol",
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SSL_CERT_FLAG_BROKEN_PROTOCOL),
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#endif
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};
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cctx->tbl = ssl_option_single;
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cctx->ntbl = sizeof(ssl_option_single) / sizeof(ssl_flag_tbl);
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return ssl_set_option_list(cmd, -1, cctx);
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}
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/* Set supported signature algorithms */
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static int cmd_SignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value)
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{
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int rv;
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if (cctx->ssl)
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rv = SSL_set1_sigalgs_list(cctx->ssl, value);
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/* NB: ctx == NULL performs syntax checking only */
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else
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rv = SSL_CTX_set1_sigalgs_list(cctx->ctx, value);
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return rv > 0;
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}
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/* Set supported client signature algorithms */
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static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx,
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const char *value)
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{
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int rv;
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if (cctx->ssl)
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rv = SSL_set1_client_sigalgs_list(cctx->ssl, value);
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/* NB: ctx == NULL performs syntax checking only */
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else
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rv = SSL_CTX_set1_client_sigalgs_list(cctx->ctx, value);
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return rv > 0;
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}
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static int cmd_Curves(SSL_CONF_CTX *cctx, const char *value)
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{
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int rv;
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if (cctx->ssl)
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rv = SSL_set1_curves_list(cctx->ssl, value);
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/* NB: ctx == NULL performs syntax checking only */
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else
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rv = SSL_CTX_set1_curves_list(cctx->ctx, value);
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return rv > 0;
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}
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#ifndef OPENSSL_NO_ECDH
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/* ECDH temporary parameters */
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static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
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{
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int onoff = -1, rv = 1;
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if (!(cctx->flags & SSL_CONF_FLAG_SERVER))
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return -2;
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if (cctx->flags & SSL_CONF_FLAG_FILE) {
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if (*value == '+') {
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onoff = 1;
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value++;
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}
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if (*value == '-') {
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onoff = 0;
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value++;
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}
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if (!strcasecmp(value, "automatic")) {
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if (onoff == -1)
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onoff = 1;
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} else if (onoff != -1)
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return 0;
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} else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
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if (!strcmp(value, "auto"))
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onoff = 1;
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}
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if (onoff != -1) {
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if (cctx->ctx)
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rv = SSL_CTX_set_ecdh_auto(cctx->ctx, onoff);
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else if (cctx->ssl)
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rv = SSL_set_ecdh_auto(cctx->ssl, onoff);
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} else {
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EC_KEY *ecdh;
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int nid;
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nid = EC_curve_nist2nid(value);
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if (nid == NID_undef)
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nid = OBJ_sn2nid(value);
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if (nid == 0)
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return 0;
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ecdh = EC_KEY_new_by_curve_name(nid);
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if (!ecdh)
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return 0;
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if (cctx->ctx)
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rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh);
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else if (cctx->ssl)
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rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh);
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EC_KEY_free(ecdh);
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}
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return rv > 0;
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}
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#endif
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static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value)
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{
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int rv = 1;
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if (cctx->ctx)
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rv = SSL_CTX_set_cipher_list(cctx->ctx, value);
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if (cctx->ssl)
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rv = SSL_set_cipher_list(cctx->ssl, value);
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return rv > 0;
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}
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static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value)
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{
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static const ssl_flag_tbl ssl_protocol_list[] = {
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SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK),
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SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2),
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SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3),
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SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1),
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SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1),
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SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2)
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};
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int ret;
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int sslv2off;
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if (!(cctx->flags & SSL_CONF_FLAG_FILE))
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return -2;
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cctx->tbl = ssl_protocol_list;
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cctx->ntbl = sizeof(ssl_protocol_list) / sizeof(ssl_flag_tbl);
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sslv2off = *cctx->poptions & SSL_OP_NO_SSLv2;
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ret = CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
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/* Never turn on SSLv2 through configuration */
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*cctx->poptions |= sslv2off;
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return ret;
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}
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static int cmd_Options(SSL_CONF_CTX *cctx, const char *value)
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{
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static const ssl_flag_tbl ssl_option_list[] = {
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SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET),
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SSL_FLAG_TBL_INV("EmptyFragments",
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SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS),
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SSL_FLAG_TBL("Bugs", SSL_OP_ALL),
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SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION),
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SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE),
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SSL_FLAG_TBL_SRV("NoResumptionOnRenegotiation",
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SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION),
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SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE),
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SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE),
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SSL_FLAG_TBL("UnsafeLegacyRenegotiation",
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SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION),
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};
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if (!(cctx->flags & SSL_CONF_FLAG_FILE))
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return -2;
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if (value == NULL)
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return -3;
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cctx->tbl = ssl_option_list;
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cctx->ntbl = sizeof(ssl_option_list) / sizeof(ssl_flag_tbl);
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return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
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}
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static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value)
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{
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int rv = 1;
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if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE))
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return -2;
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if (cctx->ctx)
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rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value);
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if (cctx->ssl)
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rv = SSL_use_certificate_file(cctx->ssl, value, SSL_FILETYPE_PEM);
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return rv > 0;
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}
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static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value)
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{
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int rv = 1;
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if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE))
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return -2;
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if (cctx->ctx)
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rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM);
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if (cctx->ssl)
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rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM);
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return rv > 0;
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}
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static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value)
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{
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int rv = 1;
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if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE))
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return -2;
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if (!(cctx->flags & SSL_CONF_FLAG_SERVER))
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return -2;
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if (cctx->ctx)
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rv = SSL_CTX_use_serverinfo_file(cctx->ctx, value);
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return rv > 0;
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}
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#ifndef OPENSSL_NO_DH
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static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value)
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{
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int rv = 0;
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DH *dh = NULL;
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BIO *in = NULL;
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if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE))
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return -2;
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if (cctx->ctx || cctx->ssl) {
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in = BIO_new(BIO_s_file_internal());
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if (!in)
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goto end;
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if (BIO_read_filename(in, value) <= 0)
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goto end;
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dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
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if (!dh)
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goto end;
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} else
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return 1;
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if (cctx->ctx)
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rv = SSL_CTX_set_tmp_dh(cctx->ctx, dh);
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if (cctx->ssl)
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rv = SSL_set_tmp_dh(cctx->ssl, dh);
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end:
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if (dh)
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DH_free(dh);
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if (in)
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BIO_free(in);
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return rv > 0;
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}
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#endif
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typedef struct {
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int (*cmd) (SSL_CONF_CTX *cctx, const char *value);
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const char *str_file;
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const char *str_cmdline;
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unsigned int value_type;
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} ssl_conf_cmd_tbl;
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/* Table of supported parameters */
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#define SSL_CONF_CMD(name, cmdopt, type) \
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{cmd_##name, #name, cmdopt, type}
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#define SSL_CONF_CMD_STRING(name, cmdopt) \
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SSL_CONF_CMD(name, cmdopt, SSL_CONF_TYPE_STRING)
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static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
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SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs"),
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SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs"),
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SSL_CONF_CMD_STRING(Curves, "curves"),
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#ifndef OPENSSL_NO_ECDH
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SSL_CONF_CMD_STRING(ECDHParameters, "named_curve"),
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#endif
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SSL_CONF_CMD_STRING(CipherString, "cipher"),
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SSL_CONF_CMD_STRING(Protocol, NULL),
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SSL_CONF_CMD_STRING(Options, NULL),
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SSL_CONF_CMD(Certificate, "cert", SSL_CONF_TYPE_FILE),
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SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_TYPE_FILE),
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SSL_CONF_CMD(ServerInfoFile, NULL, SSL_CONF_TYPE_FILE),
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#ifndef OPENSSL_NO_DH
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SSL_CONF_CMD(DHParameters, "dhparam", SSL_CONF_TYPE_FILE)
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#endif
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};
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static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd)
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{
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if (!pcmd || !*pcmd)
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return 0;
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/* If a prefix is set, check and skip */
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if (cctx->prefix) {
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if (strlen(*pcmd) <= cctx->prefixlen)
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return 0;
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if (cctx->flags & SSL_CONF_FLAG_CMDLINE &&
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strncmp(*pcmd, cctx->prefix, cctx->prefixlen))
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return 0;
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if (cctx->flags & SSL_CONF_FLAG_FILE &&
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strncasecmp(*pcmd, cctx->prefix, cctx->prefixlen))
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return 0;
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*pcmd += cctx->prefixlen;
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} else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
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if (**pcmd != '-' || !(*pcmd)[1])
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return 0;
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*pcmd += 1;
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}
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return 1;
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}
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static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx,
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const char *cmd)
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{
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const ssl_conf_cmd_tbl *t;
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size_t i;
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if (cmd == NULL)
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return NULL;
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/* Look for matching parameter name in table */
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for (i = 0, t = ssl_conf_cmds;
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i < sizeof(ssl_conf_cmds) / sizeof(ssl_conf_cmd_tbl); i++, t++) {
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if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
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if (t->str_cmdline && !strcmp(t->str_cmdline, cmd))
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return t;
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}
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if (cctx->flags & SSL_CONF_FLAG_FILE) {
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if (t->str_file && !strcasecmp(t->str_file, cmd))
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return t;
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}
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}
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return NULL;
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}
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int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value)
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{
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const ssl_conf_cmd_tbl *runcmd;
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if (cmd == NULL) {
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SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME);
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return 0;
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}
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if (!ssl_conf_cmd_skip_prefix(cctx, &cmd))
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return -2;
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runcmd = ssl_conf_cmd_lookup(cctx, cmd);
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if (runcmd) {
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int rv;
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if (value == NULL)
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return -3;
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rv = runcmd->cmd(cctx, value);
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if (rv > 0)
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return 2;
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if (rv == -2)
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return -2;
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if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
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SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_BAD_VALUE);
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ERR_add_error_data(4, "cmd=", cmd, ", value=", value);
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}
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return 0;
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}
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if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
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if (ctrl_str_option(cctx, cmd))
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return 1;
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}
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if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
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SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_UNKNOWN_CMD_NAME);
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ERR_add_error_data(2, "cmd=", cmd);
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}
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return -2;
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}
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int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv)
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{
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int rv;
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const char *arg = NULL, *argn;
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if (pargc && *pargc == 0)
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return 0;
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if (!pargc || *pargc > 0)
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arg = **pargv;
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if (arg == NULL)
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return 0;
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if (!pargc || *pargc > 1)
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argn = (*pargv)[1];
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else
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argn = NULL;
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cctx->flags &= ~SSL_CONF_FLAG_FILE;
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cctx->flags |= SSL_CONF_FLAG_CMDLINE;
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rv = SSL_CONF_cmd(cctx, arg, argn);
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if (rv > 0) {
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/* Success: update pargc, pargv */
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(*pargv) += rv;
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if (pargc)
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(*pargc) -= rv;
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return rv;
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}
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/* Unknown switch: indicate no arguments processed */
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if (rv == -2)
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return 0;
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/* Some error occurred processing command, return fatal error */
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if (rv == 0)
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return -1;
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return rv;
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}
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int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd)
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{
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if (ssl_conf_cmd_skip_prefix(cctx, &cmd)) {
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const ssl_conf_cmd_tbl *runcmd;
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runcmd = ssl_conf_cmd_lookup(cctx, cmd);
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if (runcmd)
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return runcmd->value_type;
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}
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return SSL_CONF_TYPE_UNKNOWN;
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}
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SSL_CONF_CTX *SSL_CONF_CTX_new(void)
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{
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SSL_CONF_CTX *ret;
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ret = OPENSSL_malloc(sizeof(SSL_CONF_CTX));
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if (ret) {
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ret->flags = 0;
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ret->prefix = NULL;
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ret->prefixlen = 0;
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ret->ssl = NULL;
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ret->ctx = NULL;
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ret->poptions = NULL;
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ret->pcert_flags = NULL;
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ret->tbl = NULL;
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ret->ntbl = 0;
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}
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return ret;
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}
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int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx)
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{
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return 1;
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}
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void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx)
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{
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if (cctx) {
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if (cctx->prefix)
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OPENSSL_free(cctx->prefix);
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OPENSSL_free(cctx);
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}
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}
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unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags)
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{
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cctx->flags |= flags;
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return cctx->flags;
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}
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unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags)
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{
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cctx->flags &= ~flags;
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return cctx->flags;
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}
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int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre)
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{
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char *tmp = NULL;
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if (pre) {
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tmp = BUF_strdup(pre);
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if (tmp == NULL)
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return 0;
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}
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if (cctx->prefix)
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OPENSSL_free(cctx->prefix);
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cctx->prefix = tmp;
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if (tmp)
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cctx->prefixlen = strlen(tmp);
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else
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cctx->prefixlen = 0;
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return 1;
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}
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void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl)
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{
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cctx->ssl = ssl;
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cctx->ctx = NULL;
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if (ssl) {
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cctx->poptions = &ssl->options;
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cctx->pcert_flags = &ssl->cert->cert_flags;
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} else {
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cctx->poptions = NULL;
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cctx->pcert_flags = NULL;
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}
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}
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void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx)
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{
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cctx->ctx = ctx;
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cctx->ssl = NULL;
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if (ctx) {
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cctx->poptions = &ctx->options;
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cctx->pcert_flags = &ctx->cert->cert_flags;
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} else {
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cctx->poptions = NULL;
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cctx->pcert_flags = NULL;
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}
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}
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