X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fssl_conf.c;h=f0bec364bb320f2f928bd3138588bb3a0a6d6efa;hp=5c320cbe792cf42bfdcb17827974ea3163d0a202;hb=b89fdeb2f7d4471cbfd8a579945754327a4e06a8;hpb=4445704f912495227e9e99835e94219d7e79684c

diff --git a/ssl/ssl_conf.c b/ssl/ssl_conf.c
index 5c320cbe79..f0bec364bb 100644
--- a/ssl/ssl_conf.c
+++ b/ssl/ssl_conf.c
@@ -1,73 +1,21 @@
 /*
- * ! \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).
+ * Copyright 2012-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
-#ifdef REF_CHECK
-# include <assert.h>
-#endif
 #include <stdio.h>
 #include "ssl_locl.h"
 #include <openssl/conf.h>
 #include <openssl/objects.h>
-#ifndef OPENSSL_NO_DH
-# include <openssl/dh.h>
-#endif
+#include <openssl/dh.h>
+#include "internal/nelem.h"
 
 /*
- * structure holding name tables. This is used for pemitted elements in lists
+ * structure holding name tables. This is used for permitted elements in lists
  * such as TLSv1.
  */
 
@@ -142,6 +90,10 @@ struct ssl_conf_ctx_st {
     uint32_t *pcert_flags;
     /* Pointer to SSL or SSL_CTX verify_mode or NULL if none */
     uint32_t *pvfy_flags;
+    /* Pointer to SSL or SSL_CTX min_version field or NULL if none */
+    int *min_version;
+    /* Pointer to SSL or SSL_CTX max_version field or NULL if none */
+    int *max_version;
     /* Current flag table being worked on */
     const ssl_flag_tbl *tbl;
     /* Size of table */
@@ -165,7 +117,7 @@ static void ssl_set_option(SSL_CONF_CTX *cctx, unsigned int name_flags,
         break;
 
     case SSL_TFLAG_VFY:
-        pflags =  cctx->pvfy_flags;
+        pflags = cctx->pvfy_flags;
         break;
 
     case SSL_TFLAG_OPTION:
@@ -191,8 +143,7 @@ static int ssl_match_option(SSL_CONF_CTX *cctx, const ssl_flag_tbl *tbl,
     if (namelen == -1) {
         if (strcmp(tbl->name, name))
             return 0;
-    } else if (tbl->namelen != namelen
-               || strncasecmp(tbl->name, name, namelen))
+    } else if (tbl->namelen != namelen || strncasecmp(tbl->name, name, namelen))
         return 0;
     ssl_set_option(cctx, tbl->name_flags, tbl->option_value, onoff);
     return 1;
@@ -241,8 +192,7 @@ static int cmd_SignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value)
 }
 
 /* Set supported client signature algorithms */
-static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx,
-                                         const char *value)
+static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value)
 {
     int rv;
     if (cctx->ssl)
@@ -253,63 +203,49 @@ static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx,
     return rv > 0;
 }
 
-static int cmd_Curves(SSL_CONF_CTX *cctx, const char *value)
+static int cmd_Groups(SSL_CONF_CTX *cctx, const char *value)
 {
     int rv;
     if (cctx->ssl)
-        rv = SSL_set1_curves_list(cctx->ssl, value);
+        rv = SSL_set1_groups_list(cctx->ssl, value);
     /* NB: ctx == NULL performs syntax checking only */
     else
-        rv = SSL_CTX_set1_curves_list(cctx->ctx, value);
+        rv = SSL_CTX_set1_groups_list(cctx->ctx, value);
     return rv > 0;
 }
 
+/* This is the old name for cmd_Groups - retained for backwards compatibility */
+static int cmd_Curves(SSL_CONF_CTX *cctx, const char *value)
+{
+    return cmd_Groups(cctx, value);
+}
+
 #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_FILE) {
-        if (*value == '+') {
-            onoff = 1;
-            value++;
-        }
-        if (*value == '-') {
-            onoff = 0;
-            value++;
-        }
-        if (strcasecmp(value, "automatic") == 0) {
-            if (onoff == -1)
-                onoff = 1;
-        } else if (onoff != -1)
-            return 0;
-    } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
-        if (strcmp(value, "auto") == 0)
-            onoff = 1;
-    }
+    int rv = 1;
+    int nid;
 
-    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);
-    }
+    /* Ignore values supported by 1.0.2 for the automatic selection */
+    if ((cctx->flags & SSL_CONF_FLAG_FILE)
+            && (strcasecmp(value, "+automatic") == 0
+                || strcasecmp(value, "automatic") == 0))
+        return 1;
+    if ((cctx->flags & SSL_CONF_FLAG_CMDLINE) &&
+        strcmp(value, "auto") == 0)
+        return 1;
+
+    nid = EC_curve_nist2nid(value);
+    if (nid == NID_undef)
+        nid = OBJ_sn2nid(value);
+    if (nid == 0)
+        return 0;
+
+    if (cctx->ctx)
+        rv = SSL_CTX_set1_groups(cctx->ctx, &nid, 1);
+    else if (cctx->ssl)
+        rv = SSL_set1_groups(cctx->ssl, &nid, 1);
 
     return rv > 0;
 }
@@ -317,6 +253,7 @@ static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
 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)
@@ -324,6 +261,17 @@ static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value)
     return rv > 0;
 }
 
+static int cmd_Ciphersuites(SSL_CONF_CTX *cctx, const char *value)
+{
+    int rv = 1;
+
+    if (cctx->ctx)
+        rv = SSL_CTX_set_ciphersuites(cctx->ctx, value);
+    if (cctx->ssl)
+        rv = SSL_set_ciphersuites(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[] = {
@@ -332,13 +280,86 @@ static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value)
         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)
+        SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2),
+        SSL_FLAG_TBL_INV("TLSv1.3", SSL_OP_NO_TLSv1_3),
+        SSL_FLAG_TBL_INV("DTLSv1", SSL_OP_NO_DTLSv1),
+        SSL_FLAG_TBL_INV("DTLSv1.2", SSL_OP_NO_DTLSv1_2)
     };
     cctx->tbl = ssl_protocol_list;
     cctx->ntbl = OSSL_NELEM(ssl_protocol_list);
     return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
 }
 
+/*
+ * protocol_from_string - converts a protocol version string to a number
+ *
+ * Returns -1 on failure or the version on success
+ */
+static int protocol_from_string(const char *value)
+{
+    struct protocol_versions {
+        const char *name;
+        int version;
+    };
+    static const struct protocol_versions versions[] = {
+        {"None", 0},
+        {"SSLv3", SSL3_VERSION},
+        {"TLSv1", TLS1_VERSION},
+        {"TLSv1.1", TLS1_1_VERSION},
+        {"TLSv1.2", TLS1_2_VERSION},
+        {"TLSv1.3", TLS1_3_VERSION},
+        {"DTLSv1", DTLS1_VERSION},
+        {"DTLSv1.2", DTLS1_2_VERSION}
+    };
+    size_t i;
+    size_t n = OSSL_NELEM(versions);
+
+    for (i = 0; i < n; i++)
+        if (strcmp(versions[i].name, value) == 0)
+            return versions[i].version;
+    return -1;
+}
+
+static int min_max_proto(SSL_CONF_CTX *cctx, const char *value, int *bound)
+{
+    int method_version;
+    int new_version;
+
+    if (cctx->ctx != NULL)
+        method_version = cctx->ctx->method->version;
+    else if (cctx->ssl != NULL)
+        method_version = cctx->ssl->ctx->method->version;
+    else
+        return 0;
+    if ((new_version = protocol_from_string(value)) < 0)
+        return 0;
+    return ssl_set_version_bound(method_version, new_version, bound);
+}
+
+/*
+ * cmd_MinProtocol - Set min protocol version
+ * @cctx: config structure to save settings in
+ * @value: The min protocol version in string form
+ *
+ * Returns 1 on success and 0 on failure.
+ */
+static int cmd_MinProtocol(SSL_CONF_CTX *cctx, const char *value)
+{
+    return min_max_proto(cctx, value, cctx->min_version);
+}
+
+/*
+ * cmd_MaxProtocol - Set max protocol version
+ * @cctx: config structure to save settings in
+ * @value: The max protocol version in string form
+ *
+ * Returns 1 on success and 0 on failure.
+ */
+static int cmd_MaxProtocol(SSL_CONF_CTX *cctx, const char *value)
+{
+    return min_max_proto(cctx, value, cctx->max_version);
+}
+
 static int cmd_Options(SSL_CONF_CTX *cctx, const char *value)
 {
     static const ssl_flag_tbl ssl_option_list[] = {
@@ -354,6 +375,13 @@ static int cmd_Options(SSL_CONF_CTX *cctx, const char *value)
         SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE),
         SSL_FLAG_TBL("UnsafeLegacyRenegotiation",
                      SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION),
+        SSL_FLAG_TBL_INV("EncryptThenMac", SSL_OP_NO_ENCRYPT_THEN_MAC),
+        SSL_FLAG_TBL("NoRenegotiation", SSL_OP_NO_RENEGOTIATION),
+        SSL_FLAG_TBL("AllowNoDHEKEX", SSL_OP_ALLOW_NO_DHE_KEX),
+        SSL_FLAG_TBL("PrioritizeChaCha", SSL_OP_PRIORITIZE_CHACHA),
+        SSL_FLAG_TBL("MiddleboxCompat", SSL_OP_ENABLE_MIDDLEBOX_COMPAT),
+        SSL_FLAG_TBL_INV("AntiReplay", SSL_OP_NO_ANTI_REPLAY),
+        SSL_FLAG_TBL_INV("ExtendedMasterSecret", SSL_OP_NO_EXTENDED_MASTER_SECRET)
     };
     if (value == NULL)
         return -3;
@@ -369,7 +397,12 @@ static int cmd_VerifyMode(SSL_CONF_CTX *cctx, const char *value)
         SSL_FLAG_VFY_SRV("Request", SSL_VERIFY_PEER),
         SSL_FLAG_VFY_SRV("Require",
                          SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT),
-        SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE)
+        SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE),
+        SSL_FLAG_VFY_SRV("RequestPostHandshake",
+                         SSL_VERIFY_PEER | SSL_VERIFY_POST_HANDSHAKE),
+        SSL_FLAG_VFY_SRV("RequirePostHandshake",
+                         SSL_VERIFY_PEER | SSL_VERIFY_POST_HANDSHAKE |
+                         SSL_VERIFY_FAIL_IF_NO_PEER_CERT),
     };
     if (value == NULL)
         return -3;
@@ -393,7 +426,7 @@ static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value)
     if (rv > 0 && c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
         char **pfilename = &cctx->cert_filename[c->key - c->pkeys];
         OPENSSL_free(*pfilename);
-        *pfilename = BUF_strdup(value);
+        *pfilename = OPENSSL_strdup(value);
         if (!*pfilename)
             rv = 0;
     }
@@ -461,7 +494,7 @@ static int cmd_VerifyCAFile(SSL_CONF_CTX *cctx, const char *value)
     return do_store(cctx, value, NULL, 1);
 }
 
-static int cmd_ClientCAFile(SSL_CONF_CTX *cctx, const char *value)
+static int cmd_RequestCAFile(SSL_CONF_CTX *cctx, const char *value)
 {
     if (cctx->canames == NULL)
         cctx->canames = sk_X509_NAME_new_null();
@@ -470,7 +503,12 @@ static int cmd_ClientCAFile(SSL_CONF_CTX *cctx, const char *value)
     return SSL_add_file_cert_subjects_to_stack(cctx->canames, value);
 }
 
-static int cmd_ClientCAPath(SSL_CONF_CTX *cctx, const char *value)
+static int cmd_ClientCAFile(SSL_CONF_CTX *cctx, const char *value)
+{
+    return cmd_RequestCAFile(cctx, value);
+}
+
+static int cmd_RequestCAPath(SSL_CONF_CTX *cctx, const char *value)
 {
     if (cctx->canames == NULL)
         cctx->canames = sk_X509_NAME_new_null();
@@ -479,6 +517,11 @@ static int cmd_ClientCAPath(SSL_CONF_CTX *cctx, const char *value)
     return SSL_add_dir_cert_subjects_to_stack(cctx->canames, value);
 }
 
+static int cmd_ClientCAPath(SSL_CONF_CTX *cctx, const char *value)
+{
+    return cmd_RequestCAPath(cctx, value);
+}
+
 #ifndef OPENSSL_NO_DH
 static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value)
 {
@@ -486,13 +529,13 @@ static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value)
     DH *dh = NULL;
     BIO *in = NULL;
     if (cctx->ctx || cctx->ssl) {
-        in = BIO_new(BIO_s_file_internal());
-        if (!in)
+        in = BIO_new(BIO_s_file());
+        if (in == NULL)
             goto end;
         if (BIO_read_filename(in, value) <= 0)
             goto end;
         dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
-        if (!dh)
+        if (dh == NULL)
             goto end;
     } else
         return 1;
@@ -506,6 +549,40 @@ static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value)
     return rv > 0;
 }
 #endif
+
+static int cmd_RecordPadding(SSL_CONF_CTX *cctx, const char *value)
+{
+    int rv = 0;
+    int block_size = atoi(value);
+
+    /*
+     * All we care about is a non-negative value,
+     * the setters check the range
+     */
+    if (block_size >= 0) {
+        if (cctx->ctx)
+            rv = SSL_CTX_set_block_padding(cctx->ctx, block_size);
+        if (cctx->ssl)
+            rv = SSL_set_block_padding(cctx->ssl, block_size);
+    }
+    return rv;
+}
+
+
+static int cmd_NumTickets(SSL_CONF_CTX *cctx, const char *value)
+{
+    int rv = 0;
+    int num_tickets = atoi(value);
+
+    if (num_tickets >= 0) {
+        if (cctx->ctx)
+            rv = SSL_CTX_set_num_tickets(cctx->ctx, num_tickets);
+        if (cctx->ssl)
+            rv = SSL_set_num_tickets(cctx->ssl, num_tickets);
+    }
+    return rv;
+}
+
 typedef struct {
     int (*cmd) (SSL_CONF_CTX *cctx, const char *value);
     const char *str_file;
@@ -531,27 +608,36 @@ static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
     SSL_CONF_CMD_SWITCH("no_tls1", 0),
     SSL_CONF_CMD_SWITCH("no_tls1_1", 0),
     SSL_CONF_CMD_SWITCH("no_tls1_2", 0),
+    SSL_CONF_CMD_SWITCH("no_tls1_3", 0),
     SSL_CONF_CMD_SWITCH("bugs", 0),
     SSL_CONF_CMD_SWITCH("no_comp", 0),
+    SSL_CONF_CMD_SWITCH("comp", 0),
     SSL_CONF_CMD_SWITCH("ecdh_single", SSL_CONF_FLAG_SERVER),
     SSL_CONF_CMD_SWITCH("no_ticket", 0),
     SSL_CONF_CMD_SWITCH("serverpref", SSL_CONF_FLAG_SERVER),
     SSL_CONF_CMD_SWITCH("legacy_renegotiation", 0),
     SSL_CONF_CMD_SWITCH("legacy_server_connect", SSL_CONF_FLAG_SERVER),
+    SSL_CONF_CMD_SWITCH("no_renegotiation", 0),
     SSL_CONF_CMD_SWITCH("no_resumption_on_reneg", SSL_CONF_FLAG_SERVER),
     SSL_CONF_CMD_SWITCH("no_legacy_server_connect", SSL_CONF_FLAG_SERVER),
+    SSL_CONF_CMD_SWITCH("allow_no_dhe_kex", 0),
+    SSL_CONF_CMD_SWITCH("prioritize_chacha", SSL_CONF_FLAG_SERVER),
     SSL_CONF_CMD_SWITCH("strict", 0),
-#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
-    SSL_CONF_CMD_SWITCH("debug_broken_protocol", 0),
-#endif
+    SSL_CONF_CMD_SWITCH("no_middlebox", 0),
+    SSL_CONF_CMD_SWITCH("anti_replay", SSL_CONF_FLAG_SERVER),
+    SSL_CONF_CMD_SWITCH("no_anti_replay", SSL_CONF_FLAG_SERVER),
     SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs", 0),
     SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0),
     SSL_CONF_CMD_STRING(Curves, "curves", 0),
+    SSL_CONF_CMD_STRING(Groups, "groups", 0),
 #ifndef OPENSSL_NO_EC
     SSL_CONF_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER),
 #endif
     SSL_CONF_CMD_STRING(CipherString, "cipher", 0),
+    SSL_CONF_CMD_STRING(Ciphersuites, "ciphersuites", 0),
     SSL_CONF_CMD_STRING(Protocol, NULL, 0),
+    SSL_CONF_CMD_STRING(MinProtocol, "min_protocol", 0),
+    SSL_CONF_CMD_STRING(MaxProtocol, "max_protocol", 0),
     SSL_CONF_CMD_STRING(Options, NULL, 0),
     SSL_CONF_CMD_STRING(VerifyMode, NULL, 0),
     SSL_CONF_CMD(Certificate, "cert", SSL_CONF_FLAG_CERTIFICATE,
@@ -569,17 +655,23 @@ static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
                  SSL_CONF_TYPE_DIR),
     SSL_CONF_CMD(VerifyCAFile, "verifyCAfile", SSL_CONF_FLAG_CERTIFICATE,
                  SSL_CONF_TYPE_FILE),
+    SSL_CONF_CMD(RequestCAFile, "requestCAFile", SSL_CONF_FLAG_CERTIFICATE,
+                 SSL_CONF_TYPE_FILE),
     SSL_CONF_CMD(ClientCAFile, NULL,
                  SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
                  SSL_CONF_TYPE_FILE),
+    SSL_CONF_CMD(RequestCAPath, NULL, SSL_CONF_FLAG_CERTIFICATE,
+                 SSL_CONF_TYPE_DIR),
     SSL_CONF_CMD(ClientCAPath, NULL,
                  SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
                  SSL_CONF_TYPE_DIR),
 #ifndef OPENSSL_NO_DH
     SSL_CONF_CMD(DHParameters, "dhparam",
                  SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
-                 SSL_CONF_TYPE_FILE)
+                 SSL_CONF_TYPE_FILE),
 #endif
+    SSL_CONF_CMD_STRING(RecordPadding, "record_padding", 0),
+    SSL_CONF_CMD_STRING(NumTickets, "num_tickets", SSL_CONF_FLAG_SERVER),
 };
 
 /* Supported switches: must match order of switches in ssl_conf_cmds */
@@ -588,8 +680,10 @@ static const ssl_switch_tbl ssl_cmd_switches[] = {
     {SSL_OP_NO_TLSv1, 0},       /* no_tls1 */
     {SSL_OP_NO_TLSv1_1, 0},     /* no_tls1_1 */
     {SSL_OP_NO_TLSv1_2, 0},     /* no_tls1_2 */
+    {SSL_OP_NO_TLSv1_3, 0},     /* no_tls1_3 */
     {SSL_OP_ALL, 0},            /* bugs */
     {SSL_OP_NO_COMPRESSION, 0}, /* no_comp */
+    {SSL_OP_NO_COMPRESSION, SSL_TFLAG_INV}, /* comp */
     {SSL_OP_SINGLE_ECDH_USE, 0}, /* ecdh_single */
     {SSL_OP_NO_TICKET, 0},      /* no_ticket */
     {SSL_OP_CIPHER_SERVER_PREFERENCE, 0}, /* serverpref */
@@ -597,14 +691,23 @@ static const ssl_switch_tbl ssl_cmd_switches[] = {
     {SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION, 0},
     /* legacy_server_connect */
     {SSL_OP_LEGACY_SERVER_CONNECT, 0},
+    /* no_renegotiation */
+    {SSL_OP_NO_RENEGOTIATION, 0},
     /* no_resumption_on_reneg */
     {SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION, 0},
     /* no_legacy_server_connect */
     {SSL_OP_LEGACY_SERVER_CONNECT, SSL_TFLAG_INV},
+    /* allow_no_dhe_kex */
+    {SSL_OP_ALLOW_NO_DHE_KEX, 0},
+    /* chacha reprioritization */
+    {SSL_OP_PRIORITIZE_CHACHA, 0},
     {SSL_CERT_FLAG_TLS_STRICT, SSL_TFLAG_CERT}, /* strict */
-#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
-    {SSL_CERT_FLAG_BROKEN_PROTOCOL, SSL_TFLAG_CERT} /* debug_broken_protocol */
-#endif
+    /* no_middlebox */
+    {SSL_OP_ENABLE_MIDDLEBOX_COMPAT, SSL_TFLAG_INV},
+    /* anti_replay */
+    {SSL_OP_NO_ANTI_REPLAY, SSL_TFLAG_INV},
+    /* no_anti_replay */
+    {SSL_OP_NO_ANTI_REPLAY, 0},
 };
 
 static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd)
@@ -631,8 +734,7 @@ static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd)
 }
 
 /* Determine if a command is allowed according to cctx flags */
-static int ssl_conf_cmd_allowed(SSL_CONF_CTX *cctx,
-                                const ssl_conf_cmd_tbl * t)
+static int ssl_conf_cmd_allowed(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl * t)
 {
     unsigned int tfl = t->flags;
     unsigned int cfl = cctx->flags;
@@ -670,8 +772,7 @@ static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx,
     return NULL;
 }
 
-static int ctrl_switch_option(SSL_CONF_CTX *cctx,
-                              const ssl_conf_cmd_tbl * cmd)
+static int ctrl_switch_option(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl * cmd)
 {
     /* Find index of command in table */
     size_t idx = cmd - ssl_conf_cmds;
@@ -771,24 +872,8 @@ int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd)
 
 SSL_CONF_CTX *SSL_CONF_CTX_new(void)
 {
-    SSL_CONF_CTX *ret = OPENSSL_malloc(sizeof(*ret));
-    size_t i;
+    SSL_CONF_CTX *ret = OPENSSL_zalloc(sizeof(*ret));
 
-    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->pvfy_flags = NULL;
-        ret->tbl = NULL;
-        ret->ntbl = 0;
-        for (i = 0; i < SSL_PKEY_NUM; i++)
-            ret->cert_filename[i] = NULL;
-        ret->canames = NULL;
-    }
     return ret;
 }
 
@@ -815,9 +900,9 @@ int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx)
     }
     if (cctx->canames) {
         if (cctx->ssl)
-            SSL_set_client_CA_list(cctx->ssl, cctx->canames);
+            SSL_set0_CA_list(cctx->ssl, cctx->canames);
         else if (cctx->ctx)
-            SSL_CTX_set_client_CA_list(cctx->ctx, cctx->canames);
+            SSL_CTX_set0_CA_list(cctx->ctx, cctx->canames);
         else
             sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
         cctx->canames = NULL;
@@ -853,7 +938,7 @@ int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre)
 {
     char *tmp = NULL;
     if (pre) {
-        tmp = BUF_strdup(pre);
+        tmp = OPENSSL_strdup(pre);
         if (tmp == NULL)
             return 0;
     }
@@ -872,10 +957,14 @@ void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl)
     cctx->ctx = NULL;
     if (ssl) {
         cctx->poptions = &ssl->options;
+        cctx->min_version = &ssl->min_proto_version;
+        cctx->max_version = &ssl->max_proto_version;
         cctx->pcert_flags = &ssl->cert->cert_flags;
         cctx->pvfy_flags = &ssl->verify_mode;
     } else {
         cctx->poptions = NULL;
+        cctx->min_version = NULL;
+        cctx->max_version = NULL;
         cctx->pcert_flags = NULL;
         cctx->pvfy_flags = NULL;
     }
@@ -887,10 +976,14 @@ void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx)
     cctx->ssl = NULL;
     if (ctx) {
         cctx->poptions = &ctx->options;
+        cctx->min_version = &ctx->min_proto_version;
+        cctx->max_version = &ctx->max_proto_version;
         cctx->pcert_flags = &ctx->cert->cert_flags;
         cctx->pvfy_flags = &ctx->verify_mode;
     } else {
         cctx->poptions = NULL;
+        cctx->min_version = NULL;
+        cctx->max_version = NULL;
         cctx->pcert_flags = NULL;
         cctx->pvfy_flags = NULL;
     }