From f49276bfcbfa2e8e73bb01c7f7103126de1c1da2 Mon Sep 17 00:00:00 2001
From: Steve Holme <steve_holme@hotmail.com>
Date: Sun, 10 Nov 2013 10:08:32 +0000
Subject: ftpserver.pl: Fixed processing of IMAP authentication strings

---
 tests/ftpserver.pl | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/tests/ftpserver.pl b/tests/ftpserver.pl
index b6ed5839a..410bbd4ec 100755
--- a/tests/ftpserver.pl
+++ b/tests/ftpserver.pl
@@ -3049,15 +3049,22 @@ while(1) {
         my $FTPARG;
         if($proto eq "imap") {
             # IMAP is different with its identifier first on the command line
-            unless(($full =~ /^([^ ]+) ([^ ]+) (.*)/) ||
-                   ($full =~ /^([^ ]+) ([^ ]+)/)) {
+            if(($full =~ /^([^ ]+) ([^ ]+) (.*)/) ||
+               ($full =~ /^([^ ]+) ([^ ]+)/)) {
+                $cmdid=$1; # set the global variable
+                $FTPCMD=$2;
+                $FTPARG=$3;
+            }
+            # IMAP long "commands" are base64 authentication data
+            elsif($full =~ /^[A-Z0-9+\/]*={0,2}$/i) {
+                # Command id has already been set
+                $FTPCMD=$full;
+                $FTPARG="";
+            }
+            else {
                 sendcontrol "$1 '$full': command not understood.\r\n";
                 last;
             }
-
-            $cmdid=$1; # set the global variable
-            $FTPCMD=$2;
-            $FTPARG=$3;
         }
         elsif($full =~ /^([A-Z]{3,4})(\s(.*))?$/i) {
             $FTPCMD=$1;
-- 
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