Replace some usage of SSLerr with SSLfatal()

This is an initial step towards using SSLfatal() everywhere. Initially in
this commit and in subsequent commits we focus on the state machine code.
Reviewed-by: NRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4778)

ssl/s3_enc.c

@@ -298,7 +298,8 @@ int ssl3_init_finished_mac(SSL *s)
     BIO *buf = BIO_new(BIO_s_mem());
 
     if (buf == NULL) {
-        SSLerr(SSL_F_SSL3_INIT_FINISHED_MAC, ERR_R_MALLOC_FAILURE);
+        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_INIT_FINISHED_MAC,
+                 ERR_R_MALLOC_FAILURE);
         return 0;
     }
     ssl3_free_digest_list(s);

ssl/statem/statem_lib.c

@@ -86,8 +86,8 @@ int tls_setup_handshake(SSL *s)
          * ClientHello.
          */
         if (ssl_get_min_max_version(s, &ver_min, &ver_max) != 0) {
-            SSLerr(SSL_F_TLS_SETUP_HANDSHAKE, ERR_R_INTERNAL_ERROR);
-            ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR);
+            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_SETUP_HANDSHAKE,
+                     ERR_R_INTERNAL_ERROR);
             return 0;
         }
         for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
@@ -104,10 +104,10 @@ int tls_setup_handshake(SSL *s)
                 break;
         }
         if (!ok) {
-            SSLerr(SSL_F_TLS_SETUP_HANDSHAKE, SSL_R_NO_CIPHERS_AVAILABLE);
+            SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_F_TLS_SETUP_HANDSHAKE,
+                     SSL_R_NO_CIPHERS_AVAILABLE);
             ERR_add_error_data(1, "No ciphers enabled for max supported "
                                   "SSL/TLS version");
-            ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE);
             return 0;
         }
         if (SSL_IS_FIRST_HANDSHAKE(s)) {
@@ -125,9 +125,8 @@ int tls_setup_handshake(SSL *s)
              * Server attempting to renegotiate with client that doesn't
              * support secure renegotiation.
              */
-            SSLerr(SSL_F_TLS_SETUP_HANDSHAKE,
+            SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_F_TLS_SETUP_HANDSHAKE,
                      SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
-            ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE);
             return 0;
         } else {
             /* N.B. s->ctx may not equal s->session_ctx */