/*
- * ! \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 2012-2020 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 "ssl_local.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"
+
+DEFINE_STACK_OF(X509_NAME)
/*
- * structure holding name tables. This is used for pemitted elements in lists
- * such as TLSv1 and single command line switches such as no_tls1
+ * structure holding name tables. This is used for permitted elements in lists
+ * such as TLSv1.
*/
typedef struct {
unsigned long option_value;
} ssl_flag_tbl;
+/* Switch table: use for single command line switches like no_tls2 */
+typedef struct {
+ unsigned long option_value;
+ unsigned int name_flags;
+} ssl_switch_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
+/* Mask for type of flag referred to */
+#define SSL_TFLAG_TYPE_MASK 0xf00
+/* Flag is for options */
+#define SSL_TFLAG_OPTION 0x000
+/* Flag is for cert_flags */
+#define SSL_TFLAG_CERT 0x100
+/* Flag is for verify mode */
+#define SSL_TFLAG_VFY 0x200
/* Option can only be used for clients */
#define SSL_TFLAG_CLIENT SSL_CONF_FLAG_CLIENT
/* Option can only be used for servers */
#define SSL_FLAG_TBL_CERT(str, flag) \
{str, (int)(sizeof(str) - 1), SSL_TFLAG_CERT|SSL_TFLAG_BOTH, flag}
+#define SSL_FLAG_VFY_CLI(str, flag) \
+ {str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_CLIENT, flag}
+#define SSL_FLAG_VFY_SRV(str, flag) \
+ {str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_SERVER, flag}
+
/*
* Opaque structure containing SSL configuration context.
*/
SSL_CTX *ctx;
SSL *ssl;
/* Pointer to SSL or SSL_CTX options field or NULL if none */
- unsigned long *poptions;
+ uint32_t *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;
+ 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 */
size_t ntbl;
+ /* Client CA names */
+ STACK_OF(X509_NAME) *canames;
};
+static void ssl_set_option(SSL_CONF_CTX *cctx, unsigned int name_flags,
+ unsigned long option_value, int onoff)
+{
+ uint32_t *pflags;
+ if (cctx->poptions == NULL)
+ return;
+ if (name_flags & SSL_TFLAG_INV)
+ onoff ^= 1;
+ switch (name_flags & SSL_TFLAG_TYPE_MASK) {
+
+ case SSL_TFLAG_CERT:
+ pflags = cctx->pcert_flags;
+ break;
+
+ case SSL_TFLAG_VFY:
+ pflags = cctx->pvfy_flags;
+ break;
+
+ case SSL_TFLAG_OPTION:
+ pflags = cctx->poptions;
+ break;
+
+ default:
+ return;
+
+ }
+ if (onoff)
+ *pflags |= option_value;
+ else
+ *pflags &= ~option_value;
+}
+
static int ssl_match_option(SSL_CONF_CTX *cctx, const ssl_flag_tbl *tbl,
const char *name, int namelen, int onoff)
{
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;
- 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;
- }
- }
+ ssl_set_option(cctx, tbl->name_flags, tbl->option_value, 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)
{
}
/* 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)
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_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;
- }
+ 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;
}
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)
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[] = {
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)
};
- if (!(cctx->flags & SSL_CONF_FLAG_FILE))
- return -2;
cctx->tbl = ssl_protocol_list;
- cctx->ntbl = sizeof(ssl_protocol_list) / sizeof(ssl_flag_tbl);
+ 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[] = {
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),
+ SSL_FLAG_TBL_INV("CANames", SSL_OP_DISABLE_TLSEXT_CA_NAMES)
};
- 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);
+ cctx->ntbl = OSSL_NELEM(ssl_option_list);
+ return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
+}
+
+static int cmd_VerifyMode(SSL_CONF_CTX *cctx, const char *value)
+{
+ static const ssl_flag_tbl ssl_vfy_list[] = {
+ SSL_FLAG_VFY_CLI("Peer", SSL_VERIFY_PEER),
+ 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("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;
+ cctx->tbl = ssl_vfy_list;
+ cctx->ntbl = OSSL_NELEM(ssl_vfy_list);
return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
}
{
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);
+ rv = SSL_use_certificate_chain_file(cctx->ssl, value);
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)
+ OPENSSL_free(*pfilename);
+ *pfilename = OPENSSL_strdup(value);
+ if (*pfilename == NULL)
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;
}
+static int do_store(SSL_CONF_CTX *cctx,
+ const char *CAfile, const char *CApath, const char *CAstore,
+ int verify_store)
+{
+ CERT *cert;
+ X509_STORE **st;
+
+ if (cctx->ctx)
+ cert = cctx->ctx->cert;
+ else if (cctx->ssl)
+ cert = cctx->ssl->cert;
+ else
+ return 1;
+ st = verify_store ? &cert->verify_store : &cert->chain_store;
+ if (*st == NULL) {
+ *st = X509_STORE_new();
+ if (*st == NULL)
+ return 0;
+ }
+
+ if (CAfile != NULL && !X509_STORE_load_file(*st, CAfile))
+ return 0;
+ if (CApath != NULL && !X509_STORE_load_path(*st, CApath))
+ return 0;
+ if (CAstore != NULL && !X509_STORE_load_store(*st, CAstore))
+ return 0;
+ return 1;
+}
+
+static int cmd_ChainCAPath(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, NULL, value, NULL, 0);
+}
+
+static int cmd_ChainCAFile(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, value, NULL, NULL, 0);
+}
+
+static int cmd_ChainCAStore(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, NULL, NULL, value, 0);
+}
+
+static int cmd_VerifyCAPath(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, NULL, value, NULL, 1);
+}
+
+static int cmd_VerifyCAFile(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, value, NULL, NULL, 1);
+}
+
+static int cmd_VerifyCAStore(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, NULL, NULL, value, 1);
+}
+
+static int cmd_RequestCAFile(SSL_CONF_CTX *cctx, const char *value)
+{
+ if (cctx->canames == NULL)
+ cctx->canames = sk_X509_NAME_new_null();
+ if (cctx->canames == NULL)
+ return 0;
+ return SSL_add_file_cert_subjects_to_stack(cctx->canames, 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();
+ if (cctx->canames == NULL)
+ return 0;
+ 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);
+}
+
+static int cmd_RequestCAStore(SSL_CONF_CTX *cctx, const char *value)
+{
+ if (cctx->canames == NULL)
+ cctx->canames = sk_X509_NAME_new_null();
+ if (cctx->canames == NULL)
+ return 0;
+ return SSL_add_store_cert_subjects_to_stack(cctx->canames, value);
+}
+
+static int cmd_ClientCAStore(SSL_CONF_CTX *cctx, const char *value)
+{
+ return cmd_RequestCAStore(cctx, value);
+}
+
#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)
+ 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;
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;
const char *str_cmdline;
- unsigned int value_type;
+ unsigned short flags;
+ unsigned short 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(name, cmdopt, flags, type) \
+ {cmd_##name, #name, cmdopt, flags, type}
-#define SSL_CONF_CMD_STRING(name, cmdopt) \
- SSL_CONF_CMD(name, cmdopt, SSL_CONF_TYPE_STRING)
+#define SSL_CONF_CMD_STRING(name, cmdopt, flags) \
+ SSL_CONF_CMD(name, cmdopt, flags, SSL_CONF_TYPE_STRING)
+#define SSL_CONF_CMD_SWITCH(name, flags) \
+ {0, NULL, name, flags, SSL_CONF_TYPE_NONE}
+
+/* See apps/apps.h if you change this table. */
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"),
+ SSL_CONF_CMD_SWITCH("no_ssl3", 0),
+ 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),
+ 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_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER),
#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),
+ 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,
+ SSL_CONF_TYPE_FILE),
+ SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_FILE),
+ SSL_CONF_CMD(ServerInfoFile, NULL,
+ SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_FILE),
+ SSL_CONF_CMD(ChainCAPath, "chainCApath", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_DIR),
+ SSL_CONF_CMD(ChainCAFile, "chainCAfile", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_FILE),
+ SSL_CONF_CMD(ChainCAStore, "chainCAstore", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_STORE),
+ SSL_CONF_CMD(VerifyCAPath, "verifyCApath", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_DIR),
+ SSL_CONF_CMD(VerifyCAFile, "verifyCAfile", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_FILE),
+ SSL_CONF_CMD(VerifyCAStore, "verifyCAstore", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_STORE),
+ 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),
+ SSL_CONF_CMD(RequestCAStore, "requestCAStore", SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_STORE),
+ SSL_CONF_CMD(ClientCAStore, NULL,
+ SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_STORE),
#ifndef OPENSSL_NO_DH
- SSL_CONF_CMD(DHParameters, "dhparam", SSL_CONF_TYPE_FILE)
+ SSL_CONF_CMD(DHParameters, "dhparam",
+ SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
+ 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 */
+static const ssl_switch_tbl ssl_cmd_switches[] = {
+ {SSL_OP_NO_SSLv3, 0}, /* no_ssl3 */
+ {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 */
+ /* legacy_renegotiation */
+ {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 */
+ /* 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)
{
- if (!pcmd || !*pcmd)
+ if (pcmd == NULL || *pcmd == NULL)
return 0;
/* If a prefix is set, check and skip */
if (cctx->prefix) {
return 1;
}
+/* 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)
+{
+ unsigned int tfl = t->flags;
+ unsigned int cfl = cctx->flags;
+ if ((tfl & SSL_CONF_FLAG_SERVER) && !(cfl & SSL_CONF_FLAG_SERVER))
+ return 0;
+ if ((tfl & SSL_CONF_FLAG_CLIENT) && !(cfl & SSL_CONF_FLAG_CLIENT))
+ return 0;
+ if ((tfl & SSL_CONF_FLAG_CERTIFICATE)
+ && !(cfl & SSL_CONF_FLAG_CERTIFICATE))
+ return 0;
+ return 1;
+}
+
static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx,
const char *cmd)
{
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;
+ for (i = 0, t = ssl_conf_cmds; i < OSSL_NELEM(ssl_conf_cmds); i++, t++) {
+ if (ssl_conf_cmd_allowed(cctx, t)) {
+ if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
+ if (t->str_cmdline && strcmp(t->str_cmdline, cmd) == 0)
+ return t;
+ }
+ if (cctx->flags & SSL_CONF_FLAG_FILE) {
+ if (t->str_file && strcasecmp(t->str_file, cmd) == 0)
+ return t;
+ }
}
}
return NULL;
}
+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;
+ const ssl_switch_tbl *scmd;
+ /* Sanity check index */
+ if (idx >= OSSL_NELEM(ssl_cmd_switches))
+ return 0;
+ /* Obtain switches entry with same index */
+ scmd = ssl_cmd_switches + idx;
+ ssl_set_option(cctx, scmd->name_flags, scmd->option_value, 1);
+ return 1;
+}
+
int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value)
{
const ssl_conf_cmd_tbl *runcmd;
if (runcmd) {
int rv;
+ if (runcmd->value_type == SSL_CONF_TYPE_NONE) {
+ return ctrl_switch_option(cctx, runcmd);
+ }
if (value == NULL)
return -3;
rv = runcmd->cmd(cctx, 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);
{
int rv;
const char *arg = NULL, *argn;
- if (pargc && *pargc == 0)
+
+ if (pargc != NULL && *pargc == 0)
return 0;
- if (!pargc || *pargc > 0)
+ if (pargc == NULL || *pargc > 0)
arg = **pargv;
if (arg == NULL)
return 0;
- if (!pargc || *pargc > 1)
+ if (pargc == NULL || *pargc > 1)
argn = (*pargv)[1];
else
argn = NULL;
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;
- }
+ SSL_CONF_CTX *ret = OPENSSL_zalloc(sizeof(*ret));
+
return ret;
}
}
}
}
+ if (cctx->canames) {
+ if (cctx->ssl)
+ SSL_set0_CA_list(cctx->ssl, cctx->canames);
+ else if (cctx->ctx)
+ SSL_CTX_set0_CA_list(cctx->ctx, cctx->canames);
+ else
+ sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
+ cctx->canames = NULL;
+ }
return 1;
}
{
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);
+ for (i = 0; i < SSL_PKEY_NUM; i++)
+ OPENSSL_free(cctx->cert_filename[i]);
+ OPENSSL_free(cctx->prefix);
+ sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
OPENSSL_free(cctx);
}
}
{
char *tmp = NULL;
if (pre) {
- tmp = BUF_strdup(pre);
+ tmp = OPENSSL_strdup(pre);
if (tmp == NULL)
return 0;
}
- if (cctx->prefix)
- OPENSSL_free(cctx->prefix);
+ OPENSSL_free(cctx->prefix);
cctx->prefix = tmp;
if (tmp)
cctx->prefixlen = strlen(tmp);
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;
}
}
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;
}
}
projects / openssl.git / blobdiff