From 1f7165ece38ae61c6126a2275b6a9ede9d9f8bbe Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@freedombone.net>
Date: Sat, 7 Jan 2017 11:13:24 +0000
Subject: [PATCH] Test for emails with no subject lines

---
 src/freedombone-base-email | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/freedombone-base-email b/src/freedombone-base-email
index ec3b7b05..1d45a34e 100755
--- a/src/freedombone-base-email
+++ b/src/freedombone-base-email
@@ -1088,6 +1088,13 @@ function create_procmail {
         echo 'LOGFILE=$HOME/log/procmail.log' >> /home/$MY_USERNAME/.procmailrc
         echo 'LOGABSTRACT=all' >> /home/$MY_USERNAME/.procmailrc
         echo '' >> /home/$MY_USERNAME/.procmailrc
+        echo '# Test for an empty or missing subject line' >> /home/$MY_USERNAME/.procmailrc
+        echo 'SUBJ_=$(formail -xSubject: \' >> /home/$MY_USERNAME/.procmailrc
+        echo "        | expand | sed -e 's/^[ ]*//g' -e 's/[ ]*\$//g')" >> /home/$MY_USERNAME/.procmailrc
+        echo ':0' >> /home/$MY_USERNAME/.procmailrc
+        echo '  * SUBJ_ ?? ^^^^' >> /home/$MY_USERNAME/.procmailrc
+        echo '/dev/null' >> /home/$MY_USERNAME/.procmailrc
+        echo '' >> /home/$MY_USERNAME/.procmailrc
         echo $"# Tripwire reports which have no violations don't need to be logged" >> /home/$MY_USERNAME/.procmailrc
         echo ':0 BD:' >> /home/$MY_USERNAME/.procmailrc
         TRIPWIRE_VIOLATIONS_STR=$'Total violations found:  0'