Renaming SSL3_MT_NEWSESSION_TICKET to SSL3_MT_NEW_SESSION_TICKET.

This keeps the naming convention in line with the actual spec.

Change-Id: I34673f78dbc29c1659b4da0e49677ebe9b79636b
Reviewed-on: https://boringssl-review.googlesource.com/8090
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/include/openssl/ssl3.h b/include/openssl/ssl3.h
index e5f9a89..64e1d31 100644
--- a/include/openssl/ssl3.h
+++ b/include/openssl/ssl3.h
@@ -395,7 +395,7 @@
 #define SSL3_MT_HELLO_REQUEST 0
 #define SSL3_MT_CLIENT_HELLO 1
 #define SSL3_MT_SERVER_HELLO 2
-#define SSL3_MT_NEWSESSION_TICKET 4
+#define SSL3_MT_NEW_SESSION_TICKET 4
 #define SSL3_MT_CERTIFICATE 11
 #define SSL3_MT_SERVER_KEY_EXCHANGE 12
 #define SSL3_MT_CERTIFICATE_REQUEST 13
@@ -409,6 +409,10 @@
 #define SSL3_MT_CHANNEL_ID_ENCRYPTED_EXTENSIONS 203
 #define DTLS1_MT_HELLO_VERIFY_REQUEST 3
 
+/* SSL3_MT_NEWSESSION_TICKET is a legacy alias for |SSL3_MT_NEW_SESSION_TICKET|
+ * for consumers which use |SSL_CTX_set_msg_callback|. */
+#define SSL3_MT_NEWSESSION_TICKET SSL3_MT_NEW_SESSION_TICKET
+
 
 #define SSL3_MT_CCS 1
 
diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c
index 82e4e35..2665f15 100644
--- a/ssl/s3_clnt.c
+++ b/ssl/s3_clnt.c
@@ -1393,7 +1393,7 @@
 
 int ssl3_get_new_session_ticket(SSL *ssl) {
   int ok, al;
-  long n = ssl->method->ssl_get_message(ssl, SSL3_MT_NEWSESSION_TICKET,
+  long n = ssl->method->ssl_get_message(ssl, SSL3_MT_NEW_SESSION_TICKET,
                                         ssl_hash_message, &ok);
 
   if (!ok) {
diff --git a/ssl/s3_srvr.c b/ssl/s3_srvr.c
index eef1544..50007eb 100644
--- a/ssl/s3_srvr.c
+++ b/ssl/s3_srvr.c
@@ -1987,7 +1987,7 @@
       p += placeholder_len;
 
       len = p - ssl_handshake_start(ssl);
-      if (!ssl_set_handshake_header(ssl, SSL3_MT_NEWSESSION_TICKET, len)) {
+      if (!ssl_set_handshake_header(ssl, SSL3_MT_NEW_SESSION_TICKET, len)) {
         goto err;
       }
       ssl->state = SSL3_ST_SW_SESSION_TICKET_B;
@@ -2056,7 +2056,7 @@
     /* Skip ticket lifetime hint */
     p = ssl_handshake_start(ssl) + 4;
     s2n(len - 6, p);
-    if (!ssl_set_handshake_header(ssl, SSL3_MT_NEWSESSION_TICKET, len)) {
+    if (!ssl_set_handshake_header(ssl, SSL3_MT_NEW_SESSION_TICKET, len)) {
       goto err;
     }
     ssl->state = SSL3_ST_SW_SESSION_TICKET_B;