Add new "valid_flags" field to CERT_PKEY structure which determines what
[openssl.git] / ssl / ssl_lib.c
index 2cd78c13ccef9524410c3a49abd53ca9e9ecd3a9..585411afc37126e8490b1daad723e0465801dd23 100644 (file)
@@ -176,7 +176,10 @@ SSL3_ENC_METHOD ssl3_undef_enc_method={
        0,      /* client_finished_label_len */
        NULL,   /* server_finished_label */
        0,      /* server_finished_label_len */
-       (int (*)(int))ssl_undefined_function
+       (int (*)(int))ssl_undefined_function,
+       (int (*)(SSL *, unsigned char *, size_t, const char *,
+                size_t, const unsigned char *, size_t,
+                int use_context)) ssl_undefined_function,
        };
 
 int SSL_clear(SSL *s)
@@ -353,6 +356,31 @@ SSL *SSL_new(SSL_CTX *ctx)
        s->tlsext_ocsp_resplen = -1;
        CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
        s->initial_ctx=ctx;
+#ifndef OPENSSL_NO_EC
+       if (ctx->tlsext_ecpointformatlist)
+               {
+               s->tlsext_ecpointformatlist =
+                       BUF_memdup(ctx->tlsext_ecpointformatlist,
+                                       ctx->tlsext_ecpointformatlist_length);
+               if (!s->tlsext_ecpointformatlist)
+                       goto err;
+               s->tlsext_ecpointformatlist_length =
+                                       ctx->tlsext_ecpointformatlist_length;
+               }
+       if (ctx->tlsext_ellipticcurvelist)
+               {
+               s->tlsext_ellipticcurvelist =
+                       BUF_memdup(ctx->tlsext_ellipticcurvelist,
+                                       ctx->tlsext_ellipticcurvelist_length);
+               if (!s->tlsext_ellipticcurvelist)
+                       goto err;
+               s->tlsext_ellipticcurvelist_length = 
+                                       ctx->tlsext_ellipticcurvelist_length;
+               }
+#endif
+# ifndef OPENSSL_NO_NEXTPROTONEG
+       s->next_proto_negotiated = NULL;
+# endif
 #endif
 
        s->verify_result=X509_V_OK;
@@ -496,6 +524,11 @@ int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm)
        return X509_VERIFY_PARAM_set1(ssl->param, vpm);
        }
 
+void SSL_certs_clear(SSL *s)
+       {
+       ssl_cert_clear_certs(s->cert);
+       }
+
 void SSL_free(SSL *s)
        {
        int i;
@@ -586,6 +619,14 @@ void SSL_free(SSL *s)
                kssl_ctx_free(s->kssl_ctx);
 #endif /* OPENSSL_NO_KRB5 */
 
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+       if (s->next_proto_negotiated)
+               OPENSSL_free(s->next_proto_negotiated);
+#endif
+
+        if (s->srtp_profiles)
+            sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);
+
        OPENSSL_free(s);
        }
 
@@ -1017,14 +1058,14 @@ int SSL_renegotiate(SSL *s)
        }
 
 int SSL_renegotiate_abbreviated(SSL *s)
-{
+       {
        if (s->renegotiate == 0)
                s->renegotiate=1;
-       
+
        s->new_session=0;
-       
+
        return(s->method->ssl_renegotiate(s));
-}
+       }
 
 int SSL_renegotiate_pending(SSL *s)
        {
@@ -1065,6 +1106,11 @@ long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
                s->max_cert_list=larg;
                return(l);
        case SSL_CTRL_SET_MTU:
+#ifndef OPENSSL_NO_DTLS1
+               if (larg < (long)dtls1_min_mtu())
+                       return 0;
+#endif
+
                if (SSL_version(s) == DTLS1_VERSION ||
                    SSL_version(s) == DTLS1_BAD_VER)
                        {
@@ -1081,6 +1127,10 @@ long SSL_ctrl(SSL *s,int cmd,long larg,void *parg)
                if (s->s3)
                        return s->s3->send_connection_binding;
                else return 0;
+       case SSL_CTRL_CERT_FLAGS:
+               return(s->cert->cert_flags|=larg);
+       case SSL_CTRL_CLEAR_CERT_FLAGS:
+               return(s->cert->cert_flags &=~larg);
        default:
                return(s->method->ssl_ctrl(s,cmd,larg,parg));
                }
@@ -1178,6 +1228,10 @@ long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,void *parg)
                        return 0;
                ctx->max_send_fragment = larg;
                return 1;
+       case SSL_CTRL_CERT_FLAGS:
+               return(ctx->cert->cert_flags|=larg);
+       case SSL_CTRL_CLEAR_CERT_FLAGS:
+               return(ctx->cert->cert_flags &=~larg);
        default:
                return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
                }
@@ -1366,6 +1420,10 @@ int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
        for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
                {
                c=sk_SSL_CIPHER_value(sk,i);
+               /* Skip TLS v1.2 only ciphersuites if lower than v1.2 */
+               if ((c->algorithm_ssl & SSL_TLSV1_2) && 
+                       (TLS1_get_client_version(s) < TLS1_2_VERSION))
+                       continue;
 #ifndef OPENSSL_NO_KRB5
                if (((c->algorithm_mkey & SSL_kKRB5) || (c->algorithm_auth & SSL_aKRB5)) &&
                    nokrb5)
@@ -1487,8 +1545,137 @@ int SSL_get_servername_type(const SSL *s)
                return TLSEXT_NAMETYPE_host_name;
        return -1;
        }
+
+# ifndef OPENSSL_NO_NEXTPROTONEG
+/* SSL_select_next_proto implements the standard protocol selection. It is
+ * expected that this function is called from the callback set by
+ * SSL_CTX_set_next_proto_select_cb.
+ *
+ * The protocol data is assumed to be a vector of 8-bit, length prefixed byte
+ * strings. The length byte itself is not included in the length. A byte
+ * string of length 0 is invalid. No byte string may be truncated.
+ *
+ * The current, but experimental algorithm for selecting the protocol is:
+ *
+ * 1) If the server doesn't support NPN then this is indicated to the
+ * callback. In this case, the client application has to abort the connection
+ * or have a default application level protocol.
+ *
+ * 2) If the server supports NPN, but advertises an empty list then the
+ * client selects the first protcol in its list, but indicates via the
+ * API that this fallback case was enacted.
+ *
+ * 3) Otherwise, the client finds the first protocol in the server's list
+ * that it supports and selects this protocol. This is because it's
+ * assumed that the server has better information about which protocol
+ * a client should use.
+ *
+ * 4) If the client doesn't support any of the server's advertised
+ * protocols, then this is treated the same as case 2.
+ *
+ * It returns either
+ * OPENSSL_NPN_NEGOTIATED if a common protocol was found, or
+ * OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
+ */
+int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, const unsigned char *server, unsigned int server_len, const unsigned char *client, unsigned int client_len)
+       {
+       unsigned int i, j;
+       const unsigned char *result;
+       int status = OPENSSL_NPN_UNSUPPORTED;
+
+       /* For each protocol in server preference order, see if we support it. */
+       for (i = 0; i < server_len; )
+               {
+               for (j = 0; j < client_len; )
+                       {
+                       if (server[i] == client[j] &&
+                           memcmp(&server[i+1], &client[j+1], server[i]) == 0)
+                               {
+                               /* We found a match */
+                               result = &server[i];
+                               status = OPENSSL_NPN_NEGOTIATED;
+                               goto found;
+                               }
+                       j += client[j];
+                       j++;
+                       }
+               i += server[i];
+               i++;
+               }
+
+       /* There's no overlap between our protocols and the server's list. */
+       result = client;
+       status = OPENSSL_NPN_NO_OVERLAP;
+
+       found:
+       *out = (unsigned char *) result + 1;
+       *outlen = result[0];
+       return status;
+       }
+
+/* SSL_get0_next_proto_negotiated sets *data and *len to point to the client's
+ * requested protocol for this connection and returns 0. If the client didn't
+ * request any protocol, then *data is set to NULL.
+ *
+ * Note that the client can request any protocol it chooses. The value returned
+ * from this function need not be a member of the list of supported protocols
+ * provided by the callback.
+ */
+void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data, unsigned *len)
+       {
+       *data = s->next_proto_negotiated;
+       if (!*data) {
+               *len = 0;
+       } else {
+               *len = s->next_proto_negotiated_len;
+       }
+}
+
+/* SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when a
+ * TLS server needs a list of supported protocols for Next Protocol
+ * Negotiation. The returned list must be in wire format.  The list is returned
+ * by setting |out| to point to it and |outlen| to its length. This memory will
+ * not be modified, but one should assume that the SSL* keeps a reference to
+ * it.
+ *
+ * The callback should return SSL_TLSEXT_ERR_OK if it wishes to advertise. Otherwise, no
+ * such extension will be included in the ServerHello. */
+void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *ctx, int (*cb) (SSL *ssl, const unsigned char **out, unsigned int *outlen, void *arg), void *arg)
+       {
+       ctx->next_protos_advertised_cb = cb;
+       ctx->next_protos_advertised_cb_arg = arg;
+       }
+
+/* SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
+ * client needs to select a protocol from the server's provided list. |out|
+ * must be set to point to the selected protocol (which may be within |in|).
+ * The length of the protocol name must be written into |outlen|. The server's
+ * advertised protocols are provided in |in| and |inlen|. The callback can
+ * assume that |in| is syntactically valid.
+ *
+ * The client must select a protocol. It is fatal to the connection if this
+ * callback returns a value other than SSL_TLSEXT_ERR_OK.
+ */
+void SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, int (*cb) (SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg), void *arg)
+       {
+       ctx->next_proto_select_cb = cb;
+       ctx->next_proto_select_cb_arg = arg;
+       }
+# endif
 #endif
 
+int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
+       const char *label, size_t llen, const unsigned char *p, size_t plen,
+       int use_context)
+       {
+       if (s->version < TLS1_VERSION)
+               return -1;
+
+       return s->method->ssl3_enc->export_keying_material(s, out, olen, label,
+                                                          llen, p, plen,
+                                                          use_context);
+       }
+
 static unsigned long ssl_session_hash(const SSL_SESSION *a)
        {
        unsigned long l;
@@ -1659,6 +1846,10 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
        ret->tlsext_status_cb = 0;
        ret->tlsext_status_arg = NULL;
 
+# ifndef OPENSSL_NO_NEXTPROTONEG
+       ret->next_protos_advertised_cb = 0;
+       ret->next_proto_select_cb = 0;
+# endif
 #endif
 #ifndef OPENSSL_NO_PSK
        ret->psk_identity_hint=NULL;
@@ -1710,8 +1901,6 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
         * deployed might change this.
         */
        ret->options |= SSL_OP_LEGACY_SERVER_CONNECT;
-       /* Disable TLS v1.2 by default for now */
-       ret->options |= SSL_OP_NO_TLSv1_2;
 
        return(ret);
 err:
@@ -1798,6 +1987,9 @@ void SSL_CTX_free(SSL_CTX *a)
        a->comp_methods = NULL;
 #endif
 
+        if (a->srtp_profiles)
+                sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);
+
 #ifndef OPENSSL_NO_PSK
        if (a->psk_identity_hint)
                OPENSSL_free(a->psk_identity_hint);
@@ -1815,6 +2007,14 @@ void SSL_CTX_free(SSL_CTX *a)
                ssl_buf_freelist_free(a->wbuf_freelist);
        if (a->rbuf_freelist)
                ssl_buf_freelist_free(a->rbuf_freelist);
+#endif
+#ifndef OPENSSL_NO_TLSEXT
+# ifndef OPENSSL_NO_EC
+       if (a->tlsext_ecpointformatlist)
+               OPENSSL_free(a->tlsext_ecpointformatlist);
+       if (a->tlsext_ellipticcurvelist)
+               OPENSSL_free(a->tlsext_ellipticcurvelist);
+# endif /* OPENSSL_NO_EC */
 #endif
 
        OPENSSL_free(a);
@@ -1860,7 +2060,7 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
 #endif
        X509 *x = NULL;
        EVP_PKEY *ecc_pkey = NULL;
-       int signature_nid = 0;
+       int signature_nid = 0, pk_nid = 0, md_nid = 0;
 
        if (c == NULL) return;
 
@@ -1882,24 +2082,24 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
 #endif
 
 #ifndef OPENSSL_NO_ECDH
-       have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);
+       have_ecdh_tmp=(c->ecdh_tmp || c->ecdh_tmp_cb || c->ecdh_tmp_auto);
 #endif
        cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
-       rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
+       rsa_enc= cpk->valid_flags;
        rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
        cpk= &(c->pkeys[SSL_PKEY_RSA_SIGN]);
-       rsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
+       rsa_sign= (cpk->valid_flags & CERT_PKEY_SIGN);
        cpk= &(c->pkeys[SSL_PKEY_DSA_SIGN]);
-       dsa_sign=(cpk->x509 != NULL && cpk->privatekey != NULL);
+       dsa_sign= (cpk->valid_flags & CERT_PKEY_SIGN);
        cpk= &(c->pkeys[SSL_PKEY_DH_RSA]);
-       dh_rsa=  (cpk->x509 != NULL && cpk->privatekey != NULL);
+       dh_rsa=  cpk->valid_flags;
        dh_rsa_export=(dh_rsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
        cpk= &(c->pkeys[SSL_PKEY_DH_DSA]);
 /* FIX THIS EAY EAY EAY */
-       dh_dsa=  (cpk->x509 != NULL && cpk->privatekey != NULL);
+       dh_dsa=  cpk->valid_flags;
        dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
        cpk= &(c->pkeys[SSL_PKEY_ECC]);
-       have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);
+       have_ecc_cert= cpk->valid_flags;
        mask_k=0;
        mask_a=0;
        emask_k=0;
@@ -1951,6 +2151,9 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
        if (dh_dsa) mask_k|=SSL_kDHd;
        if (dh_dsa_export) emask_k|=SSL_kDHd;
 
+       if (emask_k & (SSL_kDHr|SSL_kDHd))
+               mask_a |= SSL_aDH;
+
        if (rsa_enc || rsa_sign)
                {
                mask_a|=SSL_aRSA;
@@ -1978,30 +2181,30 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
         */
        if (have_ecc_cert)
                {
+               cpk = &c->pkeys[SSL_PKEY_ECC];
+               x = cpk->x509;
                /* This call populates extension flags (ex_flags) */
-               x = (c->pkeys[SSL_PKEY_ECC]).x509;
                X509_check_purpose(x, -1, 0);
                ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
                    (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
                ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
                    (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
+               if (!(cpk->valid_flags & CERT_PKEY_SIGN))
+                       ecdsa_ok = 0;
                ecc_pkey = X509_get_pubkey(x);
                ecc_pkey_size = (ecc_pkey != NULL) ?
                    EVP_PKEY_bits(ecc_pkey) : 0;
                EVP_PKEY_free(ecc_pkey);
                if ((x->sig_alg) && (x->sig_alg->algorithm))
+                       {
                        signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
+                       OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid);
+                       }
 #ifndef OPENSSL_NO_ECDH
                if (ecdh_ok)
                        {
-                       const char *sig = OBJ_nid2ln(signature_nid);
-                       if (sig == NULL)
-                               {
-                               ERR_clear_error();
-                               sig = "unknown";
-                               }
-                               
-                       if (strstr(sig, "WithRSA"))
+
+                       if (pk_nid == NID_rsaEncryption || pk_nid == NID_rsa)
                                {
                                mask_k|=SSL_kECDHr;
                                mask_a|=SSL_aECDH;
@@ -2012,7 +2215,7 @@ void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher)
                                        }
                                }
 
-                       if (signature_nid == NID_ecdsa_with_SHA1)
+                       if (pk_nid == NID_X9_62_id_ecPublicKey)
                                {
                                mask_k|=SSL_kECDHe;
                                mask_a|=SSL_aECDH;
@@ -2066,7 +2269,7 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
        unsigned long alg_k, alg_a;
        EVP_PKEY *pkey = NULL;
        int keysize = 0;
-       int signature_nid = 0;
+       int signature_nid = 0, md_nid = 0, pk_nid = 0;
        const SSL_CIPHER *cs = s->s3->tmp.new_cipher;
 
        alg_k = cs->algorithm_mkey;
@@ -2085,7 +2288,10 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
        /* This call populates the ex_flags field correctly */
        X509_check_purpose(x, -1, 0);
        if ((x->sig_alg) && (x->sig_alg->algorithm))
+               {
                signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
+               OBJ_find_sigid_algs(signature_nid, &md_nid, &pk_nid);
+               }
        if (alg_k & SSL_kECDHe || alg_k & SSL_kECDHr)
                {
                /* key usage, if present, must allow key agreement */
@@ -2097,7 +2303,7 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
                if ((alg_k & SSL_kECDHe) && TLS1_get_version(s) < TLS1_2_VERSION)
                        {
                        /* signature alg must be ECDSA */
-                       if (signature_nid != NID_ecdsa_with_SHA1)
+                       if (pk_nid != NID_X9_62_id_ecPublicKey)
                                {
                                SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE);
                                return 0;
@@ -2107,13 +2313,7 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
                        {
                        /* signature alg must be RSA */
 
-                       const char *sig = OBJ_nid2ln(signature_nid);
-                       if (sig == NULL)
-                               {
-                               ERR_clear_error();
-                               sig = "unknown";
-                               }
-                       if (strstr(sig, "WithRSA") == NULL)
+                       if (pk_nid != NID_rsaEncryption && pk_nid != NID_rsa)
                                {
                                SSLerr(SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG, SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE);
                                return 0;
@@ -2136,15 +2336,10 @@ int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s)
 #endif
 
 /* THIS NEEDS CLEANING UP */
-X509 *ssl_get_server_send_cert(SSL *s)
+static int ssl_get_server_cert_index(const SSL *s)
        {
-       unsigned long alg_k,alg_a;
-       CERT *c;
-       int i;
+       unsigned long alg_k, alg_a;
 
-       c=s->cert;
-       ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
-       
        alg_k = s->s3->tmp.new_cipher->algorithm_mkey;
        alg_a = s->s3->tmp.new_cipher->algorithm_auth;
 
@@ -2161,42 +2356,53 @@ X509 *ssl_get_server_send_cert(SSL *s)
                 * checks for SSL_kECDH before RSA
                 * checks ensures the correct cert is chosen.
                 */
-               i=SSL_PKEY_ECC;
+               return SSL_PKEY_ECC;
                }
        else if (alg_a & SSL_aECDSA)
-               {
-               i=SSL_PKEY_ECC;
-               }
+               return SSL_PKEY_ECC;
        else if (alg_k & SSL_kDHr)
-               i=SSL_PKEY_DH_RSA;
+               return SSL_PKEY_DH_RSA;
        else if (alg_k & SSL_kDHd)
-               i=SSL_PKEY_DH_DSA;
+               return SSL_PKEY_DH_DSA;
        else if (alg_a & SSL_aDSS)
-               i=SSL_PKEY_DSA_SIGN;
+               return SSL_PKEY_DSA_SIGN;
        else if (alg_a & SSL_aRSA)
                {
-               if (c->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
-                       i=SSL_PKEY_RSA_SIGN;
+               if (s->cert->pkeys[SSL_PKEY_RSA_ENC].x509 == NULL)
+                       return SSL_PKEY_RSA_SIGN;
                else
-                       i=SSL_PKEY_RSA_ENC;
+                       return SSL_PKEY_RSA_ENC;
                }
        else if (alg_a & SSL_aKRB5)
-               {
                /* VRS something else here? */
-               return(NULL);
-               }
+               return -1;
        else if (alg_a & SSL_aGOST94) 
-               i=SSL_PKEY_GOST94;
+               return SSL_PKEY_GOST94;
        else if (alg_a & SSL_aGOST01)
-               i=SSL_PKEY_GOST01;
+               return SSL_PKEY_GOST01;
        else /* if (alg_a & SSL_aNULL) */
                {
-               SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,ERR_R_INTERNAL_ERROR);
-               return(NULL);
+               SSLerr(SSL_F_SSL_GET_SERVER_CERT_INDEX,ERR_R_INTERNAL_ERROR);
+               return -1;
                }
-       if (c->pkeys[i].x509 == NULL) return(NULL);
+       }
+
+CERT_PKEY *ssl_get_server_send_pkey(const SSL *s)
+       {
+       CERT *c;
+       int i;
+
+       c = s->cert;
+       ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
+
+       i = ssl_get_server_cert_index(s);
+
+       /* This may or may not be an error. */
+       if (i < 0)
+               return NULL;
 
-       return(c->pkeys[i].x509);
+       /* May be NULL. */
+       return &c->pkeys[i];
        }
 
 EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher, const EVP_MD **pmd)
@@ -2231,6 +2437,27 @@ EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *cipher, const EVP_MD **pmd)
        return c->pkeys[idx].privatekey;
        }
 
+#ifndef OPENSSL_NO_TLSEXT
+unsigned char *ssl_get_authz_data(SSL *s, size_t *authz_length)
+       {
+       CERT *c;
+       int i;
+
+       c = s->cert;
+       i = ssl_get_server_cert_index(s);
+
+       if (i == -1)
+               return NULL;
+
+       *authz_length = 0;
+       if (c->pkeys[i].authz == NULL)
+               return(NULL);
+       *authz_length = c->pkeys[i].authz_length;
+
+       return c->pkeys[i].authz;
+       }
+#endif
+
 void ssl_update_cache(SSL *s,int mode)
        {
        int i;
@@ -2457,7 +2684,7 @@ const char *SSL_get_version(const SSL *s)
                return("TLSv1.2");
        else if (s->version == TLS1_1_VERSION)
                return("TLSv1.1");
-       if (s->version == TLS1_VERSION)
+       else if (s->version == TLS1_VERSION)
                return("TLSv1");
        else if (s->version == SSL3_VERSION)
                return("SSLv3");
@@ -3098,4 +3325,3 @@ IMPLEMENT_STACK_OF(SSL_CIPHER)
 IMPLEMENT_STACK_OF(SSL_COMP)
 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
                                    ssl_cipher_id);
-