Add OPENSSL_NO_ECDH guards
[openssl.git] / ssl / s3_lib.c
index 7c535875afb710c79a2a9fc9e75b6503221f757b..713de7295ece85a4c6e73d747bfdfa9dc3812a0f 100644 (file)
@@ -323,7 +323,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_SSLV3,
        SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -372,7 +372,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_SSLV3,
        SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -420,7 +420,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_SSLV3,
        SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -469,7 +469,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_SSLV3,
        SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -517,7 +517,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_SSLV3,
        SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -597,7 +597,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_SSLV3,
        SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -682,7 +682,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_SSLV3,
        SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -746,7 +746,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_SSLV3,
        SSL_NOT_EXP|SSL_HIGH,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -1678,9 +1678,9 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_3DES,
        SSL_SHA1,
        SSL_TLSV1,
-       SSL_NOT_EXP|SSL_HIGH,
+       SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -1694,7 +1694,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_AES128,
        SSL_SHA1,
        SSL_TLSV1,
-       SSL_NOT_EXP|SSL_HIGH,
+       SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
        128,
        128,
@@ -1710,7 +1710,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_AES256,
        SSL_SHA1,
        SSL_TLSV1,
-       SSL_NOT_EXP|SSL_HIGH,
+       SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
        256,
        256,
@@ -2011,6 +2011,22 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        256,
        256,
        },
+#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
+       {
+       1,
+       "SCSV",
+       SSL3_CK_SCSV,
+       0,
+       0,
+       0,
+       0,
+       0,
+       0,
+       0,
+       0,
+       0
+       },
+#endif
 
 #ifndef OPENSSL_NO_ECDH
        /* Cipher C001 */
@@ -2057,7 +2073,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_TLSV1,
        SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -2137,7 +2153,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_TLSV1,
        SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -2217,7 +2233,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_TLSV1,
        SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -2297,7 +2313,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_TLSV1,
        SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -2377,7 +2393,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_TLSV1,
        SSL_NOT_EXP|SSL_HIGH|SSL_FIPS,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -2421,13 +2437,13 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        TLS1_TXT_SRP_SHA_WITH_3DES_EDE_CBC_SHA,
        TLS1_CK_SRP_SHA_WITH_3DES_EDE_CBC_SHA,
        SSL_kSRP,
-       SSL_aNULL,
+       SSL_aSRP,
        SSL_3DES,
        SSL_SHA1,
        SSL_TLSV1,
        SSL_NOT_EXP|SSL_HIGH,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -2443,7 +2459,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_TLSV1,
        SSL_NOT_EXP|SSL_HIGH,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -2459,7 +2475,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        SSL_TLSV1,
        SSL_NOT_EXP|SSL_HIGH,
        SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
-       168,
+       112,
        168,
        },
 
@@ -2469,7 +2485,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        TLS1_TXT_SRP_SHA_WITH_AES_128_CBC_SHA,
        TLS1_CK_SRP_SHA_WITH_AES_128_CBC_SHA,
        SSL_kSRP,
-       SSL_aNULL,
+       SSL_aSRP,
        SSL_AES128,
        SSL_SHA1,
        SSL_TLSV1,
@@ -2517,7 +2533,7 @@ OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
        TLS1_TXT_SRP_SHA_WITH_AES_256_CBC_SHA,
        TLS1_CK_SRP_SHA_WITH_AES_256_CBC_SHA,
        SSL_kSRP,
-       SSL_aNULL,
+       SSL_aSRP,
        SSL_AES256,
        SSL_SHA1,
        SSL_TLSV1,
@@ -2902,6 +2918,10 @@ SSL3_ENC_METHOD SSLv3_enc_data={
        (int (*)(SSL *, unsigned char *, size_t, const char *,
                 size_t, const unsigned char *, size_t,
                 int use_context))ssl_undefined_function,
+       0,
+       SSL3_HM_HEADER_LENGTH,
+       ssl3_set_handshake_header,
+       ssl3_handshake_write
        };
 
 long ssl3_default_timeout(void)
@@ -2932,6 +2952,20 @@ int ssl3_pending(const SSL *s)
        return (s->s3->rrec.type == SSL3_RT_APPLICATION_DATA) ? s->s3->rrec.length : 0;
        }
 
+void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len)
+       {
+       unsigned char *p = (unsigned char *)s->init_buf->data;
+       *(p++) = htype;
+       l2n3(len, p);
+       s->init_num = (int)len + SSL3_HM_HEADER_LENGTH;
+       s->init_off = 0;
+       }
+
+int ssl3_handshake_write(SSL *s)
+       {
+       return ssl3_do_write(s, SSL3_RT_HANDSHAKE);
+       }
+
 int ssl3_new(SSL *s)
        {
        SSL3_STATE *s3;
@@ -2986,12 +3020,13 @@ void ssl3_free(SSL *s)
                BIO_free(s->s3->handshake_buffer);
        }
        if (s->s3->handshake_dgst) ssl3_free_digest_list(s);
+#ifndef OPENSSL_NO_TLSEXT
+       if (s->s3->alpn_selected)
+               OPENSSL_free(s->s3->alpn_selected);
+#endif
+
 #ifndef OPENSSL_NO_SRP
        SSL_SRP_CTX_free(s);
-#endif
-#ifndef OPENSSL_NO_TLSEXT
-       if (s->s3->tlsext_authz_client_types != NULL)
-               OPENSSL_free(s->s3->tlsext_authz_client_types);
 #endif
        OPENSSL_cleanse(s->s3,sizeof *s->s3);
        OPENSSL_free(s->s3);
@@ -3037,12 +3072,10 @@ void ssl3_clear(SSL *s)
                }
 #endif
 #ifndef OPENSSL_NO_TLSEXT
-       if (s->s3->tlsext_authz_client_types != NULL)
-               {
-               OPENSSL_free(s->s3->tlsext_authz_client_types);
-               s->s3->tlsext_authz_client_types = NULL;
-               }
-#endif
+#ifndef OPENSSL_NO_EC
+       s->s3->is_probably_safari = 0;
+#endif /* !OPENSSL_NO_EC */
+#endif /* !OPENSSL_NO_TLSEXT */
 
        rp = s->s3->rbuf.buf;
        wp = s->s3->wbuf.buf;
@@ -3056,6 +3089,14 @@ void ssl3_clear(SSL *s)
        if (s->s3->handshake_dgst) {
                ssl3_free_digest_list(s);
        }       
+
+#if !defined(OPENSSL_NO_TLSEXT)
+       if (s->s3->alpn_selected)
+               {
+               free(s->s3->alpn_selected);
+               s->s3->alpn_selected = NULL;
+               }
+#endif
        memset(s->s3,0,sizeof *s->s3);
        s->s3->rbuf.buf = rp;
        s->s3->wbuf.buf = wp;
@@ -3338,7 +3379,7 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
 
 #ifndef OPENSSL_NO_HEARTBEATS
        case SSL_CTRL_TLS_EXT_SEND_HEARTBEAT:
-               if (SSL_version(s) == DTLS1_VERSION || SSL_version(s) == DTLS1_BAD_VER)
+               if (SSL_IS_DTLS(s))
                        ret = dtls1_heartbeat(s);
                else
                        ret = tls1_heartbeat(s);
@@ -3373,6 +3414,37 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
                else
                        return ssl_cert_add0_chain_cert(s->cert, (X509 *)parg);
 
+       case SSL_CTRL_GET_CHAIN_CERTS:
+               *(STACK_OF(X509) **)parg = s->cert->key->chain;
+               break;
+
+       case SSL_CTRL_SELECT_CURRENT_CERT:
+               return ssl_cert_select_current(s->cert, (X509 *)parg);
+
+       case SSL_CTRL_SET_CURRENT_CERT:
+               if (larg == SSL_CERT_SET_SERVER)
+                       {
+                       CERT_PKEY *cpk;
+                       const SSL_CIPHER *cipher;
+                       if (!s->server)
+                               return 0;
+                       cipher = s->s3->tmp.new_cipher;
+                       if (!cipher)
+                               return 0;
+                       /* No certificate for unauthenticated ciphersuites
+                        * or using SRP authentication
+                        */
+                       if (cipher->algorithm_auth & (SSL_aNULL|SSL_aSRP))
+                               return 2;
+                       cpk = ssl_get_server_send_pkey(s);
+                       if (!cpk)
+                               return 0;
+                       s->cert->key = cpk;
+                       return 1;
+                       }
+               return ssl_cert_set_current(s->cert, larg);
+
+#ifndef OPENSSL_NO_EC
        case SSL_CTRL_GET_CURVES:
                {
                unsigned char *clist;
@@ -3412,10 +3484,12 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
        case SSL_CTRL_GET_SHARED_CURVE:
                return tls1_shared_curve(s, larg);
 
+#ifndef OPENSSL_NO_ECDH
        case SSL_CTRL_SET_ECDH_AUTO:
                s->cert->ecdh_tmp_auto = larg;
-               break;
-
+               return 1;
+#endif
+#endif
        case SSL_CTRL_SET_SIGALGS:
                return tls1_set_sigalgs(s->cert, parg, larg, 0);
 
@@ -3459,7 +3533,7 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
                return ssl_cert_set_cert_store(s->cert, parg, 1, larg);
 
        case SSL_CTRL_GET_PEER_SIGNATURE_NID:
-               if (TLS1_get_version(s) >= TLS1_2_VERSION)
+               if (SSL_USE_SIGALGS(s))
                        {
                        if (s->session && s->session->sess_cert)
                                {
@@ -3486,9 +3560,11 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
                        EVP_PKEY *ptmp;
                        int rv = 0;
                        sc = s->session->sess_cert;
+#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DH) && !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_ECDH)
                        if (!sc->peer_rsa_tmp && !sc->peer_dh_tmp
                                                        && !sc->peer_ecdh_tmp)
                                return 0;
+#endif
                        ptmp = EVP_PKEY_new();
                        if (!ptmp)
                                return 0;
@@ -3513,7 +3589,7 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
                        EVP_PKEY_free(ptmp);
                        return 0;
                        }
-
+#ifndef OPENSSL_NO_EC
        case SSL_CTRL_GET_EC_POINT_FORMATS:
                {
                SSL_SESSION *sess = s->session;
@@ -3523,6 +3599,33 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
                *pformat = sess->tlsext_ecpointformatlist;
                return (int)sess->tlsext_ecpointformatlist_length;
                }
+#endif
+
+       case SSL_CTRL_CHECK_PROTO_VERSION:
+               /* For library-internal use; checks that the current protocol
+                * is the highest enabled version (according to s->ctx->method,
+                * as version negotiation may have changed s->method). */
+               if (s->version == s->ctx->method->version)
+                       return 1;
+               /* Apparently we're using a version-flexible SSL_METHOD
+                * (not at its highest protocol version). */
+               if (s->ctx->method->version == SSLv23_method()->version)
+                       {
+#if TLS_MAX_VERSION != TLS1_2_VERSION
+#  error Code needs update for SSLv23_method() support beyond TLS1_2_VERSION.
+#endif
+                       if (!(s->options & SSL_OP_NO_TLSv1_2))
+                               return s->version == TLS1_2_VERSION;
+                       if (!(s->options & SSL_OP_NO_TLSv1_1))
+                               return s->version == TLS1_1_VERSION;
+                       if (!(s->options & SSL_OP_NO_TLSv1))
+                               return s->version == TLS1_VERSION;
+                       if (!(s->options & SSL_OP_NO_SSLv3))
+                               return s->version == SSL3_VERSION;
+                       if (!(s->options & SSL_OP_NO_SSLv2))
+                               return s->version == SSL2_VERSION;
+                       }
+               return 0; /* Unexpected state; fail closed. */
 
        default:
                break;
@@ -3788,6 +3891,7 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
                break;
 #endif
 
+#ifndef OPENSSL_NO_EC
        case SSL_CTRL_SET_CURVES:
                return tls1_set_curves(&ctx->tlsext_ellipticcurvelist,
                                        &ctx->tlsext_ellipticcurvelist_length,
@@ -3797,10 +3901,12 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
                return tls1_set_curves_list(&ctx->tlsext_ellipticcurvelist,
                                        &ctx->tlsext_ellipticcurvelist_length,
                                                                parg);
+#ifndef OPENSSL_NO_ECDH
        case SSL_CTRL_SET_ECDH_AUTO:
                ctx->cert->ecdh_tmp_auto = larg;
-               break;
-
+               return 1;
+#endif
+#endif
        case SSL_CTRL_SET_SIGALGS:
                return tls1_set_sigalgs(ctx->cert, parg, larg, 0);
 
@@ -3825,10 +3931,6 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
        case SSL_CTRL_SET_CHAIN_CERT_STORE:
                return ssl_cert_set_cert_store(ctx->cert, parg, 1, larg);
 
-       case SSL_CTRL_SET_TLSEXT_AUTHZ_SERVER_AUDIT_PROOF_CB_ARG:
-               ctx->tlsext_authz_server_audit_proof_cb_arg = parg;
-               break;
-
 #endif /* !OPENSSL_NO_TLSEXT */
 
        /* A Thawte special :-) */
@@ -3842,7 +3944,10 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
                break;
 
        case SSL_CTRL_GET_EXTRA_CHAIN_CERTS:
-               *(STACK_OF(X509) **)parg =  ctx->extra_certs;
+               if (ctx->extra_certs == NULL && larg == 0)
+                       *(STACK_OF(X509) **)parg =  ctx->cert->key->chain;
+               else
+                       *(STACK_OF(X509) **)parg =  ctx->extra_certs;
                break;
 
        case SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS:
@@ -3867,6 +3972,16 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
                else
                        return ssl_cert_add0_chain_cert(ctx->cert, (X509 *)parg);
 
+       case SSL_CTRL_GET_CHAIN_CERTS:
+               *(STACK_OF(X509) **)parg = ctx->cert->key->chain;
+               break;
+
+       case SSL_CTRL_SELECT_CURRENT_CERT:
+               return ssl_cert_select_current(ctx->cert, (X509 *)parg);
+
+       case SSL_CTRL_SET_CURRENT_CERT:
+               return ssl_cert_set_current(ctx->cert, larg);
+
        default:
                return(0);
                }
@@ -3938,12 +4053,6 @@ long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
                ctx->srp_ctx.SRP_give_srp_client_pwd_callback=(char *(*)(SSL *,void *))fp;
                break;
 #endif
-
-       case SSL_CTRL_SET_TLSEXT_AUTHZ_SERVER_AUDIT_PROOF_CB:
-               ctx->tlsext_authz_server_audit_proof_cb =
-                       (int (*)(SSL *, void *))fp;
-               break;
-
 #endif
        default:
                return(0);
@@ -4036,9 +4145,9 @@ SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
                {
                c=sk_SSL_CIPHER_value(prio,i);
 
-               /* Skip TLS v1.2 only ciphersuites if lower than v1.2 */
+               /* Skip TLS v1.2 only ciphersuites if not supported */
                if ((c->algorithm_ssl & SSL_TLSV1_2) && 
-                       (TLS1_get_version(s) < TLS1_2_VERSION))
+                       !SSL_USE_TLS1_2_CIPHERS(s))
                        continue;
 
                ssl_set_cert_masks(cert,c);
@@ -4047,8 +4156,13 @@ SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
                emask_k = cert->export_mask_k;
                emask_a = cert->export_mask_a;
 #ifndef OPENSSL_NO_SRP
-               mask_k=cert->mask_k | s->srp_ctx.srp_Mask;
-               emask_k=cert->export_mask_k | s->srp_ctx.srp_Mask;
+               if (s->srp_ctx.srp_Mask & SSL_kSRP)
+                       {
+                       mask_k |= SSL_kSRP;
+                       emask_k |= SSL_kSRP;
+                       mask_a |= SSL_aSRP;
+                       emask_a |= SSL_aSRP;
+                       }
 #endif
                        
 #ifdef KSSL_DEBUG
@@ -4090,10 +4204,12 @@ SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
 
 #ifndef OPENSSL_NO_TLSEXT
 #ifndef OPENSSL_NO_EC
+#ifndef OPENSSL_NO_ECDH
                /* if we are considering an ECC cipher suite that uses
                 * an ephemeral EC key check it */
                if (alg_k & SSL_kEECDH)
                        ok = ok && tls1_check_ec_tmp_key(s, c->id);
+#endif /* OPENSSL_NO_ECDH */
 #endif /* OPENSSL_NO_EC */
 #endif /* OPENSSL_NO_TLSEXT */
 
@@ -4101,6 +4217,13 @@ SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *clnt,
                ii=sk_SSL_CIPHER_find(allow,c);
                if (ii >= 0)
                        {
+#if !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_TLSEXT)
+                       if ((alg_k & SSL_kEECDH) && (alg_a & SSL_aECDSA) && s->s3->is_probably_safari)
+                               {
+                               if (!ret) ret=sk_SSL_CIPHER_value(allow,ii);
+                               continue;
+                               }
+#endif
                        ret=sk_SSL_CIPHER_value(allow,ii);
                        break;
                        }
@@ -4113,7 +4236,10 @@ int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
        int ret=0;
        const unsigned char *sig;
        size_t i, siglen;
-       int have_rsa_sign = 0, have_dsa_sign = 0, have_ecdsa_sign = 0;
+       int have_rsa_sign = 0, have_dsa_sign = 0;
+#ifndef OPENSSL_NO_ECDSA
+       int have_ecdsa_sign = 0;
+#endif
        int nostrict = 1;
        unsigned long alg_k;
 
@@ -4138,10 +4264,11 @@ int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
                case TLSEXT_signature_dsa:
                        have_dsa_sign = 1;
                        break;
-
+#ifndef OPENSSL_NO_ECDSA
                case TLSEXT_signature_ecdsa:
                        have_ecdsa_sign = 1;
                        break;
+#endif
                        }
                }
 
@@ -4414,15 +4541,14 @@ need to go to SSL_ST_ACCEPT.
                }
        return(ret);
        }
-/* If we are using TLS v1.2 or later and default SHA1+MD5 algorithms switch
- * to new SHA256 PRF and handshake macs
+/* If we are using default SHA1+MD5 algorithms switch to new SHA256 PRF
+ * and handshake macs if required.
  */
 long ssl_get_algorithm2(SSL *s)
        {
        long alg2 = s->s3->tmp.new_cipher->algorithm2;
-       if (TLS1_get_version(s) >= TLS1_2_VERSION &&
-           alg2 == (SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF))
+       if (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SHA256_PRF
+           && alg2 == (SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF))
                return SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256;
        return alg2;
        }
-