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Signed-off-by: Georg <georg@lysergic.dev>

scripts/sh/pf.sh

@@ -4,8 +4,8 @@
 # 
 # Author: Georg Pfuetzenreuter <georg@lysergic.dev>
 # Created: 02/11/2021
-# Last edit: 05/12/2021
-# Version: 2.0
+# Last edit: 07/12/2021
+# Version: 2.1
 #
 # This assumes .ssh/config being configured to ssh into your router with a user having write access to /tmp/* and $prodfile as well as having doas permissions for `pfctl -f $prodfile`.
 
@@ -21,7 +21,7 @@ gethostaddress () {
 }
 
 init () {
-        #hostaddress=$(gethostaddress) ##we no longer parse ssh_config and rely on functioning DNS lookups
+        #hostaddress=$(gethostaddress)
         hostaddress="$host"
         if nc -z $hostaddress 22 2>/dev/null; then
                 workfile="/tmp/pf.conf.$host-$USER-$(date -u +%d%m%y-%H%M)"
@@ -48,7 +48,8 @@ edit () {
 }
 
 check () {
-        echo "$stagefile"
+        #echo "$stagefile"
+        render_diff
         ssh -q $host pfctl -nf $stagefile
         result="$?"
         case $result in
@@ -65,12 +66,18 @@ render_diff () {
         $difftool "${diffargs[@]}" $localbackupfile $workfile
 }
 
+send_report () {
+        maildiff=$(diff -u --color=never $localbackupfile $workfile)
+        echo -e "$USER deployed packet filter changes on $host at $(date):\n\n$maildiff" | mail -s "pf changes on $host by $USER" system@lysergic.dev 
+}
+
 edit_ok () {
-        render_diff
-        echo "Syntax OK. Type YES to deploy changes or anything else to abort."
+        echo "Syntax OK. Type YES to deploy changes, edit to edit, or anything else to abort."
         read choice
         if [ "$choice" = "YES" ]; then
                 deploy
+        elif [ "$choice" = "edit" ]; then
+                edit
         else
                 #rollback
                 abort
@@ -117,6 +124,7 @@ deploy () {
         result="$?"
         case $result in
                 0 )
+                send_report
                 ssh -q $host "doas pfctl -f $prodfile && rm $stagefile"
                 echo "OK."
                 rm $workfile
@@ -138,3 +146,4 @@ else
         host="$1"
         init
 fi
+