From 2f09f3e995a45c409f82e28bf1fb41f71fb0a37f Mon Sep 17 00:00:00 2001
From: Bryan Ashby <bryan@l33t.codes>
Date: Thu, 14 Jun 2018 20:00:01 -0600
Subject: [PATCH] Fix a couple rare bugs around SSH sessions

---
 core/bbs.js               |  5 ++++-
 core/servers/login/ssh.js | 14 +++++++++-----
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/core/bbs.js b/core/bbs.js
index 883e1a87..a352c555 100644
--- a/core/bbs.js
+++ b/core/bbs.js
@@ -119,7 +119,10 @@ function shutdownSystem() {
 				const activeConnections = ClientConns.getActiveConnections();
 				let i = activeConnections.length;
 				while(i--) {
-					activeConnections[i].term.write('\n\nServer is shutting down NOW! Disconnecting...\n\n');
+					const activeTerm = activeConnections[i].term;
+					if(activeTerm) {
+						activeTerm.write('\n\nServer is shutting down NOW! Disconnecting...\n\n');
+					}
 					ClientConns.removeClient(activeConnections[i]);
 				}
 				callback(null);
diff --git a/core/servers/login/ssh.js b/core/servers/login/ssh.js
index 4ec57d2f..c50a7d70 100644
--- a/core/servers/login/ssh.js
+++ b/core/servers/login/ssh.js
@@ -184,7 +184,7 @@ function SSHClient(clientConn) {
 				if(self.input) {	//	do we have I/O?
 					self.updateTermInfo(info);
 				} else {
-					self.cachedPtyInfo = info;
+					self.cachedTermInfo = info;
 				}
 			});
 
@@ -197,9 +197,9 @@ function SSHClient(clientConn) {
 
 				channel.stdin.on('data', self.dataHandler);
 
-				if(self.cachedPtyInfo) {
-					self.updateTermInfo(self.cachedPtyInfo);
-					delete self.cachedPtyInfo;
+				if(self.cachedTermInfo) {
+					self.updateTermInfo(self.cachedTermInfo);
+					delete self.cachedTermInfo;
 				}
 
 				//	we're ready!
@@ -210,7 +210,11 @@ function SSHClient(clientConn) {
 			session.on('window-change', (accept, reject, info) => {
 				self.log.debug(info, 'SSH window-change event');
 
-				self.updateTermInfo(info);
+				if(self.input) {
+					self.updateTermInfo(info);
+				} else {
+					self.cachedTermInfo = info;
+				}
 			});
 
 		});