tls: expose Finished messages in TLSSocket

Exposes SSL_get_finished and SSL_get_peer_finished routines in OpenSSL
as tlsSocket.getFinished and tlsSocket.getPeerFinished, respectively.

PR-URL: https://github.com/nodejs/node/pull/19102
Fixes: https://github.com/nodejs/node/issues/19055
Refs: https://github.com/ripple/rippled/issues/2413
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/_tls_wrap.js b/lib/_tls_wrap.js
index 79646ba3d2..8ac497902e 100644
--- a/lib/_tls_wrap.js
+++ b/lib/_tls_wrap.js
@@ -692,6 +692,16 @@ TLSSocket.prototype.getPeerCertificate = function(detailed) {
   return null;
 };
 
+TLSSocket.prototype.getFinished = function() {
+  if (this._handle)
+    return this._handle.getFinished();
+};
+
+TLSSocket.prototype.getPeerFinished = function() {
+  if (this._handle)
+    return this._handle.getPeerFinished();
+};
+
 TLSSocket.prototype.getSession = function() {
   if (this._handle) {
     return this._handle.getSession();