From 6cc33a7de2bafb4f80befee54d898f8e4319362a Mon Sep 17 00:00:00 2001
From: ty221 <dwgipk@gmail.com>
Date: Sat, 3 Jan 2015 23:34:52 +0100
Subject: [PATCH 1/2] Fixed issue #281

---
 lib/sup/modes/edit_message_mode.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/sup/modes/edit_message_mode.rb b/lib/sup/modes/edit_message_mode.rb
index 39d7b36b7..50bd44aa1 100644
--- a/lib/sup/modes/edit_message_mode.rb
+++ b/lib/sup/modes/edit_message_mode.rb
@@ -342,6 +342,14 @@ def unsaved?; edited? end
   def attach_file
     fn = BufferManager.ask_for_filename :attachment, "File name (enter for browser): "
     return unless fn
+
+    # This code is being used to backslash special characters in file name
+    fn.gsub! "\\", "\\\\\\\\"
+    fn.gsub! ' ', '\ '
+    fn.gsub! '"', '\\\\"'
+    fn.gsub! "'", "\\\\'"
+    # End of this code
+    
     if HookManager.enabled? "check-attachment"
         reason = HookManager.run("check-attachment", :filename => fn)
         if reason

From 1561444a0133277d8da07f6d1fed0df6c0e5884d Mon Sep 17 00:00:00 2001
From: ty221 <dwgipk@gmail.com>
Date: Sun, 4 Jan 2015 10:15:40 +0100
Subject: [PATCH 2/2] Backslashing improvments

---
 lib/sup/modes/edit_message_mode.rb | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/lib/sup/modes/edit_message_mode.rb b/lib/sup/modes/edit_message_mode.rb
index 50bd44aa1..a1577dc2e 100644
--- a/lib/sup/modes/edit_message_mode.rb
+++ b/lib/sup/modes/edit_message_mode.rb
@@ -343,13 +343,6 @@ def attach_file
     fn = BufferManager.ask_for_filename :attachment, "File name (enter for browser): "
     return unless fn
 
-    # This code is being used to backslash special characters in file name
-    fn.gsub! "\\", "\\\\\\\\"
-    fn.gsub! ' ', '\ '
-    fn.gsub! '"', '\\\\"'
-    fn.gsub! "'", "\\\\'"
-    # End of this code
-    
     if HookManager.enabled? "check-attachment"
         reason = HookManager.run("check-attachment", :filename => fn)
         if reason
@@ -357,6 +350,12 @@ def attach_file
         end
     end
     begin
+      # This code is being used to backslash special characters in file name
+      fn.gsub! "\\", "\\\\\\\\"
+      fn.gsub! '*', '\*'
+      fn.gsub! '?', '\?'
+      fn.gsub! "[", "\\["
+      # End of this code
       Dir[fn].each do |f|
         @attachments << RMail::Message.make_file_attachment(f)
         @attachment_names << f
@@ -383,7 +382,7 @@ def rerun_crypto_selector_hook
       HookManager.run "crypto-mode", :header => @header, :body => @body, :crypto_selector => @crypto_selector
     end
   end
-
+	
   def mime_encode string
     string = [string].pack('M') # basic quoted-printable
     string.gsub!(/=\n/,'')      # .. remove trailing newline