-/*! \file ssl/ssl_conf.c
- * \brief SSL configuration functions
+/*
+ * ! \file ssl/ssl_conf.c \brief SSL configuration functions
*/
/* ====================================================================
* Copyright (c) 2012 The OpenSSL Project. All rights reserved.
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * 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
*
*/
-#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
-/* 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 pemitted elements in lists
+ * such as TLSv1.
*/
-typedef struct
- {
- const char *name;
- int namelen;
- unsigned int name_flags;
- unsigned long option_value;
- } ssl_flag_tbl;
+typedef struct {
+ const char *name;
+ int namelen;
+ unsigned int name_flags;
+ 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
+#define SSL_TFLAG_INV 0x1
+/* 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_TFLAG_BOTH (SSL_TFLAG_CLIENT|SSL_TFLAG_SERVER)
#define SSL_FLAG_TBL(str, flag) \
- {str, (int)(sizeof(str) - 1), SSL_TFLAG_BOTH, flag}
+ {str, (int)(sizeof(str) - 1), SSL_TFLAG_BOTH, flag}
#define SSL_FLAG_TBL_SRV(str, flag) \
- {str, (int)(sizeof(str) - 1), SSL_TFLAG_SERVER, flag}
+ {str, (int)(sizeof(str) - 1), SSL_TFLAG_SERVER, flag}
#define SSL_FLAG_TBL_CLI(str, flag) \
- {str, (int)(sizeof(str) - 1), SSL_TFLAG_CLIENT, flag}
+ {str, (int)(sizeof(str) - 1), SSL_TFLAG_CLIENT, flag}
#define SSL_FLAG_TBL_INV(str, flag) \
- {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_BOTH, flag}
+ {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_BOTH, flag}
#define SSL_FLAG_TBL_SRV_INV(str, flag) \
- {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_SERVER, flag}
+ {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_SERVER, flag}
#define SSL_FLAG_TBL_CERT(str, flag) \
- {str, (int)(sizeof(str) - 1), SSL_TFLAG_CERT|SSL_TFLAG_BOTH, flag}
+ {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.
+/*
+ * Opaque structure containing SSL configuration context.
*/
-struct ssl_conf_ctx_st
- {
- /* Various flags indicating (among other things) which options we
- * will recognise.
- */
- unsigned int flags;
- /* Prefix and length of commands */
- char *prefix;
- size_t prefixlen;
- /* SSL_CTX or SSL structure to perform operations on */
- SSL_CTX *ctx;
- SSL *ssl;
- /* Pointer to SSL or SSL_CTX options field or NULL if none */
- unsigned long *poptions;
- /* Pointer to SSL or SSL_CTX cert_flags or NULL if none */
- unsigned int *pcert_flags;
- /* Current flag table being worked on */
- const ssl_flag_tbl *tbl;
- /* Size of table */
- size_t ntbl;
- };
+struct ssl_conf_ctx_st {
+ /*
+ * Various flags indicating (among other things) which options we will
+ * recognise.
+ */
+ unsigned int flags;
+ /* Prefix and length of commands */
+ char *prefix;
+ size_t prefixlen;
+ /* SSL_CTX or SSL structure to perform operations on */
+ SSL_CTX *ctx;
+ SSL *ssl;
+ /* Pointer to SSL or SSL_CTX options field or NULL if none */
+ 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 */
+ 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 name not relevant for context skip */
- if (!(cctx->flags & tbl->name_flags & SSL_TFLAG_BOTH))
- return 0;
- if (namelen == -1)
- {
- if (strcmp(tbl->name, name))
- return 0;
- }
- else if (tbl->namelen != namelen || strncasecmp(tbl->name, name, namelen))
- return 0;
- if (cctx->poptions)
- {
- if (tbl->name_flags & SSL_TFLAG_INV)
- onoff ^= 1;
- if (tbl->name_flags & SSL_TFLAG_CERT)
- {
- if (onoff)
- *cctx->pcert_flags |= tbl->option_value;
- else
- *cctx->pcert_flags &= ~tbl->option_value;
- }
- else
- {
- if (onoff)
- *cctx->poptions |= tbl->option_value;
- else
- *cctx->poptions &= ~tbl->option_value;
- }
- }
- return 1;
- }
+ const char *name, int namelen, int onoff)
+{
+ /* If name not relevant for context skip */
+ if (!(cctx->flags & tbl->name_flags & SSL_TFLAG_BOTH))
+ return 0;
+ if (namelen == -1) {
+ if (strcmp(tbl->name, name))
+ return 0;
+ } else if (tbl->namelen != namelen
+ || strncasecmp(tbl->name, name, namelen))
+ return 0;
+ ssl_set_option(cctx, tbl->name_flags, tbl->option_value, onoff);
+ return 1;
+}
static int ssl_set_option_list(const char *elem, int len, void *usr)
- {
- SSL_CONF_CTX *cctx = usr;
- size_t i;
- const ssl_flag_tbl *tbl;
- int onoff = 1;
- /* len == -1 indicates not being called in list context, just for
- * single command line switches, so don't allow +, -.
- */
- if (len != -1)
- {
- if (*elem == '+')
- {
- elem++;
- len--;
- onoff = 1;
- }
- else if (*elem == '-')
- {
- elem++;
- len--;
- onoff = 0;
- }
- }
- for (i = 0, tbl = cctx->tbl; i < cctx->ntbl; i++, tbl++)
- {
- if (ssl_match_option(cctx, tbl, elem, len, onoff))
- return 1;
- }
- return 0;
- }
-
-/* Single command line switches with no argument e.g. -no_ssl3 */
-static int ctrl_str_option(SSL_CONF_CTX *cctx, const char *cmd)
- {
- static const ssl_flag_tbl ssl_option_single[] =
- {
- SSL_FLAG_TBL("no_ssl2", SSL_OP_NO_SSLv2),
- 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("no_tls1_2", SSL_OP_NO_TLSv1_2),
- SSL_FLAG_TBL("bugs", SSL_OP_ALL),
- SSL_FLAG_TBL("no_comp", SSL_OP_NO_COMPRESSION),
-#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_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);
- }
+{
+ SSL_CONF_CTX *cctx = usr;
+ size_t i;
+ const ssl_flag_tbl *tbl;
+ int onoff = 1;
+ /*
+ * len == -1 indicates not being called in list context, just for single
+ * command line switches, so don't allow +, -.
+ */
+ if (elem == NULL)
+ return 0;
+ if (len != -1) {
+ if (*elem == '+') {
+ elem++;
+ len--;
+ onoff = 1;
+ } else if (*elem == '-') {
+ elem++;
+ len--;
+ onoff = 0;
+ }
+ }
+ for (i = 0, tbl = cctx->tbl; i < cctx->ntbl; i++, tbl++) {
+ if (ssl_match_option(cctx, tbl, elem, len, onoff))
+ return 1;
+ }
+ return 0;
+}
/* Set supported signature algorithms */
-static int cmd_sigalgs(SSL_CONF_CTX *cctx, const char *value)
- {
- int rv;
- if (cctx->ssl)
- rv = SSL_set1_sigalgs_list(cctx->ssl, value);
- /* NB: ctx == NULL performs syntax checking only */
- else
- rv = SSL_CTX_set1_sigalgs_list(cctx->ctx, value);
- return rv > 0;
- }
+static int cmd_SignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv;
+ if (cctx->ssl)
+ rv = SSL_set1_sigalgs_list(cctx->ssl, value);
+ /* NB: ctx == NULL performs syntax checking only */
+ else
+ rv = SSL_CTX_set1_sigalgs_list(cctx->ctx, value);
+ return rv > 0;
+}
+
/* Set supported client signature algorithms */
-static int cmd_client_sigalgs(SSL_CONF_CTX *cctx, const char *value)
- {
- int rv;
- if (cctx->ssl)
- rv = SSL_set1_client_sigalgs_list(cctx->ssl, value);
- /* NB: ctx == NULL performs syntax checking only */
- else
- rv = SSL_CTX_set1_client_sigalgs_list(cctx->ctx, value);
- return rv > 0;
- }
-
-static int cmd_curves(SSL_CONF_CTX *cctx, const char *value)
- {
- int rv;
- if (cctx->ssl)
- rv = SSL_set1_curves_list(cctx->ssl, value);
- /* NB: ctx == NULL performs syntax checking only */
- else
- rv = SSL_CTX_set1_curves_list(cctx->ctx, value);
- return rv > 0;
- }
-#ifndef OPENSSL_NO_ECDH
+static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx,
+ const char *value)
+{
+ int rv;
+ if (cctx->ssl)
+ rv = SSL_set1_client_sigalgs_list(cctx->ssl, value);
+ /* NB: ctx == NULL performs syntax checking only */
+ else
+ rv = SSL_CTX_set1_client_sigalgs_list(cctx->ctx, value);
+ return rv > 0;
+}
+
+static int cmd_Curves(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv;
+ if (cctx->ssl)
+ rv = SSL_set1_curves_list(cctx->ssl, value);
+ /* NB: ctx == NULL performs syntax checking only */
+ else
+ rv = SSL_CTX_set1_curves_list(cctx->ctx, value);
+ return rv > 0;
+}
+
+#ifndef OPENSSL_NO_EC
/* ECDH temporary parameters */
-static int cmd_ecdhparam(SSL_CONF_CTX *cctx, const char *value)
- {
- int onoff = -1, rv = 1;
- if (!(cctx->flags & SSL_CONF_FLAG_SERVER))
- return -2;
- if (cctx->flags & SSL_CONF_FLAG_FILE)
- {
- if (*value == '+')
- {
- onoff = 1;
- value++;
- }
- if (*value == '-')
- {
- onoff = 0;
- value++;
- }
- if (!strcasecmp(value, "automatic"))
- {
- if (onoff == -1)
- onoff = 1;
- }
- else if (onoff != -1)
- return 0;
- }
- else if (cctx->flags & SSL_CONF_FLAG_CMDLINE)
- {
- if (!strcmp(value, "auto"))
- onoff = 1;
- }
-
- if (onoff != -1)
- {
- if (cctx->ctx)
- rv = SSL_CTX_set_ecdh_auto(cctx->ctx, onoff);
- else if (cctx->ssl)
- rv = SSL_set_ecdh_auto(cctx->ssl, onoff);
- }
- else
- {
- EC_KEY *ecdh;
- int nid;
- nid = EC_curve_nist2nid(value);
- if (nid == NID_undef)
- nid = OBJ_sn2nid(value);
- if (nid == 0)
- return 0;
- ecdh = EC_KEY_new_by_curve_name(nid);
- if (!ecdh)
- return 0;
- if (cctx->ctx)
- rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh);
- else if (cctx->ssl)
- rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh);
- EC_KEY_free(ecdh);
- }
-
- return rv > 0;
- }
+static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv = 1;
+ EC_KEY *ecdh;
+ int nid;
+
+ nid = EC_curve_nist2nid(value);
+ if (nid == NID_undef)
+ nid = OBJ_sn2nid(value);
+ if (nid == 0)
+ return 0;
+ ecdh = EC_KEY_new_by_curve_name(nid);
+ if (!ecdh)
+ return 0;
+ if (cctx->ctx)
+ rv = SSL_CTX_set_tmp_ecdh(cctx->ctx, ecdh);
+ else if (cctx->ssl)
+ rv = SSL_set_tmp_ecdh(cctx->ssl, ecdh);
+ EC_KEY_free(ecdh);
+
+ return rv > 0;
+}
#endif
-static int cmd_cipher_list(SSL_CONF_CTX *cctx, const char *value)
- {
- int rv = 1;
- if (cctx->ctx)
- rv = SSL_CTX_set_cipher_list(cctx->ctx, value);
- if (cctx->ssl)
- rv = SSL_set_cipher_list(cctx->ssl, value);
- return rv > 0;
- }
-
-static int cmd_protocol(SSL_CONF_CTX *cctx, const char *value)
- {
- static const ssl_flag_tbl ssl_protocol_list[] =
- {
- SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK),
- SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2),
- SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3),
- SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1),
- SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1),
- SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2)
- };
- if (!(cctx->flags & SSL_CONF_FLAG_FILE))
- return -2;
- cctx->tbl = ssl_protocol_list;
- cctx->ntbl = sizeof(ssl_protocol_list)/sizeof(ssl_flag_tbl);
- return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
- }
-
-static int cmd_options(SSL_CONF_CTX *cctx, const char *value)
- {
- static const ssl_flag_tbl ssl_option_list[] =
- {
- SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET),
- SSL_FLAG_TBL_INV("EmptyFragments", SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS),
- SSL_FLAG_TBL("Bugs", SSL_OP_ALL),
- SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION),
- SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE),
- SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE),
- SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE),
- SSL_FLAG_TBL("UnsafeLegacyRenegotiation", SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION),
- };
- if (!(cctx->flags & SSL_CONF_FLAG_FILE))
- return -2;
- if (value == NULL)
- return -3;
- cctx->tbl = ssl_option_list;
- cctx->ntbl = sizeof(ssl_option_list)/sizeof(ssl_flag_tbl);
- return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
- }
-
-typedef struct
- {
- int (*cmd)(SSL_CONF_CTX *cctx, const char *value);
- const char *str_file;
- const char *str_cmdline;
- } ssl_conf_cmd_tbl;
-
-/* Table of supported patameters */
-
-static ssl_conf_cmd_tbl ssl_conf_cmds[] = {
- {cmd_sigalgs, "SignatureAlgorithms", "sigalgs"},
- {cmd_client_sigalgs, "ClientSignatureAlgorithms", "client_sigalgs"},
- {cmd_curves, "Curves", "curves"},
-#ifndef OPENSSL_NO_ECDH
- {cmd_ecdhparam, "ECDHParameters", "named_curve"},
+static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv = 1;
+ if (cctx->ctx)
+ rv = SSL_CTX_set_cipher_list(cctx->ctx, value);
+ if (cctx->ssl)
+ rv = SSL_set_cipher_list(cctx->ssl, value);
+ return rv > 0;
+}
+
+static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value)
+{
+ static const ssl_flag_tbl ssl_protocol_list[] = {
+ SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK),
+ SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2),
+ SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3),
+ SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1),
+ SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1),
+ SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2),
+ 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},
+ {"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_INV("SessionTicket", SSL_OP_NO_TICKET),
+ SSL_FLAG_TBL_INV("EmptyFragments",
+ SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS),
+ SSL_FLAG_TBL("Bugs", SSL_OP_ALL),
+ SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION),
+ SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE),
+ SSL_FLAG_TBL_SRV("NoResumptionOnRenegotiation",
+ SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION),
+ SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE),
+ SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE),
+ SSL_FLAG_TBL("UnsafeLegacyRenegotiation",
+ SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION),
+ };
+ if (value == NULL)
+ return -3;
+ cctx->tbl = ssl_option_list;
+ 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)
+ };
+ 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);
+}
+
+static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv = 1;
+ CERT *c = NULL;
+ if (cctx->ctx) {
+ rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value);
+ c = cctx->ctx->cert;
+ }
+ if (cctx->ssl) {
+ 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];
+ OPENSSL_free(*pfilename);
+ *pfilename = OPENSSL_strdup(value);
+ if (!*pfilename)
+ rv = 0;
+ }
+
+ return rv > 0;
+}
+
+static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv = 1;
+ if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE))
+ return -2;
+ if (cctx->ctx)
+ rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM);
+ if (cctx->ssl)
+ rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM);
+ return rv > 0;
+}
+
+static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv = 1;
+ if (cctx->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, 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;
+ }
+ return X509_STORE_load_locations(*st, CAfile, CApath) > 0;
+}
+
+static int cmd_ChainCAPath(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, NULL, value, 0);
+}
+
+static int cmd_ChainCAFile(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, value, NULL, 0);
+}
+
+static int cmd_VerifyCAPath(SSL_CONF_CTX *cctx, const char *value)
+{
+ return do_store(cctx, NULL, value, 1);
+}
+
+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)
+{
+ 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_ClientCAPath(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);
+}
+
+#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->ctx || cctx->ssl) {
+ 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 == NULL)
+ goto end;
+ } else
+ return 1;
+ if (cctx->ctx)
+ rv = SSL_CTX_set_tmp_dh(cctx->ctx, dh);
+ if (cctx->ssl)
+ rv = SSL_set_tmp_dh(cctx->ssl, dh);
+ end:
+ DH_free(dh);
+ BIO_free(in);
+ return rv > 0;
+}
+#endif
+typedef struct {
+ int (*cmd) (SSL_CONF_CTX *cctx, const char *value);
+ const char *str_file;
+ const char *str_cmdline;
+ unsigned short flags;
+ unsigned short value_type;
+} ssl_conf_cmd_tbl;
+
+/* Table of supported parameters */
+
+#define SSL_CONF_CMD(name, cmdopt, flags, type) \
+ {cmd_##name, #name, cmdopt, flags, type}
+
+#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_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("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_resumption_on_reneg", SSL_CONF_FLAG_SERVER),
+ SSL_CONF_CMD_SWITCH("no_legacy_server_connect", 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_STRING(SignatureAlgorithms, "sigalgs", 0),
+ SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0),
+ SSL_CONF_CMD_STRING(Curves, "curves", 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(Protocol, NULL, 0),
+ SSL_CONF_CMD_STRING(MinProtocol, "min_protocol", SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CLIENT),
+ SSL_CONF_CMD_STRING(MaxProtocol, "max_protocol", SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CLIENT),
+ 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(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(ClientCAFile, NULL,
+ SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
+ SSL_CONF_TYPE_FILE),
+ 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)
+#endif
+};
+
+/* 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_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_resumption_on_reneg */
+ {SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION, 0},
+ /* no_legacy_server_connect */
+ {SSL_OP_LEGACY_SERVER_CONNECT, SSL_TFLAG_INV},
+ {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
- {cmd_cipher_list, "CipherString", "cipher"},
- {cmd_protocol, "Protocol", NULL},
- {cmd_options, "Options", NULL},
};
+static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd)
+{
+ if (!pcmd || !*pcmd)
+ return 0;
+ /* If a prefix is set, check and skip */
+ if (cctx->prefix) {
+ if (strlen(*pcmd) <= cctx->prefixlen)
+ return 0;
+ if (cctx->flags & SSL_CONF_FLAG_CMDLINE &&
+ strncmp(*pcmd, cctx->prefix, cctx->prefixlen))
+ return 0;
+ if (cctx->flags & SSL_CONF_FLAG_FILE &&
+ strncasecmp(*pcmd, cctx->prefix, cctx->prefixlen))
+ return 0;
+ *pcmd += cctx->prefixlen;
+ } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
+ if (**pcmd != '-' || !(*pcmd)[1])
+ return 0;
+ *pcmd += 1;
+ }
+ return 1;
+}
+
+/* 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)
+{
+ const ssl_conf_cmd_tbl *t;
+ size_t i;
+ if (cmd == NULL)
+ return NULL;
+
+ /* Look for matching parameter name in table */
+ for (i = 0, t = ssl_conf_cmds; i < 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)
- {
- ssl_conf_cmd_tbl *t, *runcmd = NULL;
- size_t i;
- if (cmd == NULL)
- {
- SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME);
- return 0;
- }
- /* If a prefix is set, check and skip */
- if (cctx->prefix)
- {
- if (strlen(cmd) <= cctx->prefixlen)
- return -2;
- if (cctx->flags & SSL_CONF_FLAG_CMDLINE &&
- strncmp(cmd, cctx->prefix, cctx->prefixlen))
- return -2;
- if (cctx->flags & SSL_CONF_FLAG_FILE &&
- strncasecmp(cmd, cctx->prefix, cctx->prefixlen))
- return -2;
- cmd += cctx->prefixlen;
- }
- else if (cctx->flags & SSL_CONF_FLAG_CMDLINE)
- {
- if (*cmd != '-' || !cmd[1])
- return -2;
- cmd++;
- }
-
- /* 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))
- {
- runcmd = t;
- break;
- }
- }
- if (cctx->flags & SSL_CONF_FLAG_FILE)
- {
- if (t->str_file && !strcasecmp(t->str_file, cmd))
- {
- runcmd = t;
- break;
- }
- }
- }
-
- if (runcmd)
- {
- int rv;
- if (value == NULL)
- return -3;
- rv = t->cmd(cctx, value);
- if (rv > 0)
- return 2;
- if (rv == -2)
- return -2;
- if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS)
- {
- SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_BAD_VALUE);
- ERR_add_error_data(4, "cmd=", cmd, ", value=", value);
- }
- return 0;
- }
-
- if (cctx->flags & SSL_CONF_FLAG_CMDLINE)
- {
- if (ctrl_str_option(cctx, cmd))
- return 1;
- }
-
- if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS)
- {
- SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_UNKNOWN_CMD_NAME);
- ERR_add_error_data(2, "cmd=", cmd);
- }
-
- return -2;
- }
+{
+ const ssl_conf_cmd_tbl *runcmd;
+ if (cmd == NULL) {
+ SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME);
+ return 0;
+ }
+
+ if (!ssl_conf_cmd_skip_prefix(cctx, &cmd))
+ return -2;
+
+ runcmd = ssl_conf_cmd_lookup(cctx, cmd);
+
+ if (runcmd) {
+ int rv;
+ if (runcmd->value_type == SSL_CONF_TYPE_NONE) {
+ return ctrl_switch_option(cctx, runcmd);
+ }
+ if (value == NULL)
+ return -3;
+ rv = runcmd->cmd(cctx, value);
+ if (rv > 0)
+ return 2;
+ if (rv == -2)
+ return -2;
+ if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
+ SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_BAD_VALUE);
+ ERR_add_error_data(4, "cmd=", cmd, ", value=", value);
+ }
+ return 0;
+ }
+
+ if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) {
+ SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_UNKNOWN_CMD_NAME);
+ ERR_add_error_data(2, "cmd=", cmd);
+ }
+
+ return -2;
+}
int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv)
- {
- int rv;
- const char *arg = NULL, *argn;
- if (pargc && *pargc == 0)
- return 0;
- if (!pargc || *pargc > 0)
- arg = **pargv;
- if (arg == NULL)
- return 0;
- if (!pargc || *pargc > 1)
- argn = (*pargv)[1];
- else
- argn = NULL;
- cctx->flags &= ~SSL_CONF_FLAG_FILE;
- cctx->flags |= SSL_CONF_FLAG_CMDLINE;
- rv = SSL_CONF_cmd(cctx, arg, argn);
- if (rv > 0)
- {
- /* Success: update pargc, pargv */
- (*pargv) += rv;
- if (pargc)
- (*pargc) -= rv;
- return rv;
- }
- /* Unknown swicth: indicate no arguments processed */
- if (rv == -2)
- return 0;
- /* Some error occurred processing command, return fatal error */
- if (rv == 0)
- return -1;
- return rv;
- }
+{
+ int rv;
+ const char *arg = NULL, *argn;
+ if (pargc && *pargc == 0)
+ return 0;
+ if (!pargc || *pargc > 0)
+ arg = **pargv;
+ if (arg == NULL)
+ return 0;
+ if (!pargc || *pargc > 1)
+ argn = (*pargv)[1];
+ else
+ argn = NULL;
+ cctx->flags &= ~SSL_CONF_FLAG_FILE;
+ cctx->flags |= SSL_CONF_FLAG_CMDLINE;
+ rv = SSL_CONF_cmd(cctx, arg, argn);
+ if (rv > 0) {
+ /* Success: update pargc, pargv */
+ (*pargv) += rv;
+ if (pargc)
+ (*pargc) -= rv;
+ return rv;
+ }
+ /* Unknown switch: indicate no arguments processed */
+ if (rv == -2)
+ return 0;
+ /* Some error occurred processing command, return fatal error */
+ if (rv == 0)
+ return -1;
+ return rv;
+}
+
+int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd)
+{
+ if (ssl_conf_cmd_skip_prefix(cctx, &cmd)) {
+ const ssl_conf_cmd_tbl *runcmd;
+ runcmd = ssl_conf_cmd_lookup(cctx, cmd);
+ if (runcmd)
+ return runcmd->value_type;
+ }
+ return SSL_CONF_TYPE_UNKNOWN;
+}
SSL_CONF_CTX *SSL_CONF_CTX_new(void)
- {
- SSL_CONF_CTX *ret;
- 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;
- }
- return ret;
- }
+{
+ SSL_CONF_CTX *ret = OPENSSL_zalloc(sizeof(*ret));
+
+ return ret;
+}
+
+int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx)
+{
+ /* See if any certificates are missing private keys */
+ size_t i;
+ CERT *c = NULL;
+ if (cctx->ctx)
+ c = cctx->ctx->cert;
+ else if (cctx->ssl)
+ c = cctx->ssl->cert;
+ if (c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
+ for (i = 0; i < SSL_PKEY_NUM; i++) {
+ const char *p = cctx->cert_filename[i];
+ /*
+ * If missing private key try to load one from certificate file
+ */
+ if (p && !c->pkeys[i].privatekey) {
+ if (!cmd_PrivateKey(cctx, p))
+ return 0;
+ }
+ }
+ }
+ if (cctx->canames) {
+ if (cctx->ssl)
+ SSL_set_client_CA_list(cctx->ssl, cctx->canames);
+ else if (cctx->ctx)
+ SSL_CTX_set_client_CA_list(cctx->ctx, cctx->canames);
+ else
+ sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
+ cctx->canames = NULL;
+ }
+ return 1;
+}
void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx)
- {
- if (cctx)
- {
- if (cctx->prefix)
- OPENSSL_free(cctx->prefix);
- OPENSSL_free(cctx);
- }
- }
+{
+ if (cctx) {
+ size_t i;
+ 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);
+ }
+}
unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags)
- {
- cctx->flags |= flags;
- return cctx->flags;
- }
+{
+ cctx->flags |= flags;
+ return cctx->flags;
+}
unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags)
- {
- cctx->flags &= ~flags;
- return cctx->flags;
- }
+{
+ cctx->flags &= ~flags;
+ return cctx->flags;
+}
int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre)
- {
- char *tmp = NULL;
- if (pre)
- {
- tmp = BUF_strdup(pre);
- if (tmp == NULL)
- return 0;
- }
- if (cctx->prefix)
- OPENSSL_free(cctx->prefix);
- cctx->prefix = tmp;
- if (tmp)
- cctx->prefixlen = strlen(tmp);
- else
- cctx->prefixlen = 0;
- return 1;
- }
+{
+ char *tmp = NULL;
+ if (pre) {
+ tmp = OPENSSL_strdup(pre);
+ if (tmp == NULL)
+ return 0;
+ }
+ OPENSSL_free(cctx->prefix);
+ cctx->prefix = tmp;
+ if (tmp)
+ cctx->prefixlen = strlen(tmp);
+ else
+ cctx->prefixlen = 0;
+ return 1;
+}
void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl)
- {
- cctx->ssl = ssl;
- cctx->ctx = NULL;
- if (ssl)
- {
- cctx->poptions = &ssl->options;
- cctx->pcert_flags = &ssl->cert->cert_flags;
- }
- else
- {
- cctx->poptions = NULL;
- cctx->pcert_flags = NULL;
- }
- }
+{
+ 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;
+ }
+}
void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx)
- {
- cctx->ctx = ctx;
- cctx->ssl = NULL;
- if (ctx)
- {
- cctx->poptions = &ctx->options;
- cctx->pcert_flags = &ctx->cert->cert_flags;
- }
- else
- {
- cctx->poptions = NULL;
- cctx->pcert_flags = NULL;
- }
- }
+{
+ cctx->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;
+ }
+}
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