From 0cde8d872612a9c4577159f4e8ff6f0d61fb9cb6 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Fri, 28 Aug 2020 08:42:40 +0200
Subject: [PATCH] Prevent commands on disconnected socket

---
 app/src/main/java/com/sun/mail/iap/Protocol.java | 3 +++
 patches/JavaMail.patch                           | 7 +++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/com/sun/mail/iap/Protocol.java b/app/src/main/java/com/sun/mail/iap/Protocol.java
index b1b575cfca..c27108c771 100644
--- a/app/src/main/java/com/sun/mail/iap/Protocol.java
+++ b/app/src/main/java/com/sun/mail/iap/Protocol.java
@@ -347,12 +347,15 @@ public class Protocol {
      * @return		array of Response objects returned by the server
      */
     public synchronized Response[] command(String command, Argument args) {
+	if (socket == null)
+		return new Response[]{Response.byeResponse(new SocketException("disconnected"))};
 	if ("LOGOUT".equals(command))
 		try {
 			socket.setSoTimeout(10 * 1000);
 		} catch (SocketException ex) {
 			eu.faircode.email.Log.e(ex);
 		}
+
 	commandStart(command);
 	List<Response> v = new ArrayList<>();
 	boolean done = false;
diff --git a/patches/JavaMail.patch b/patches/JavaMail.patch
index d9d6288b59..fc901ba7ad 100644
--- a/patches/JavaMail.patch
+++ b/patches/JavaMail.patch
@@ -38,17 +38,20 @@ diff -rupN /home/marcel/JavaMail/mail/src/main/java/com/sun/mail/handlers/handle
  	for (int i = 0; i < adf.length; i++) {
 diff -rupN /home/marcel/JavaMail/mail/src/main/java/com/sun/mail/iap/Protocol.java ./app/src/main/java/com/sun/mail/iap/Protocol.java
 --- /home/marcel/JavaMail/mail/src/main/java/com/sun/mail/iap/Protocol.java	2020-04-03 09:00:49.201313282 +0200
-+++ ./app/src/main/java/com/sun/mail/iap/Protocol.java	2020-08-27 20:06:33.871245957 +0200
-@@ -347,6 +347,12 @@ public class Protocol {
++++ ./app/src/main/java/com/sun/mail/iap/Protocol.java	2020-08-28 08:09:12.005962733 +0200
+@@ -347,6 +347,15 @@ public class Protocol {
       * @return		array of Response objects returned by the server
       */
      public synchronized Response[] command(String command, Argument args) {
++	if (socket == null)
++		return new Response[]{Response.byeResponse(new SocketException("disconnected"))};
 +	if ("LOGOUT".equals(command))
 +		try {
 +			socket.setSoTimeout(10 * 1000);
 +		} catch (SocketException ex) {
 +			eu.faircode.email.Log.e(ex);
 +		}
++
  	commandStart(command);
  	List<Response> v = new ArrayList<>();
  	boolean done = false;