doas/vidoas

#!/bin/sh

# This script edits a temporary copy of the doas.conf file and
# automatically checks it for syntax errors before installing
# the new copy of doas.conf.

tmpdoas=/tmp/doas.conf
installeddoas=/usr/local/etc/doas.conf
defaulteditor=/usr/bin/vi
doasexec=/usr/local/bin/doas

# Check to make sure we have an editor
if [ ! -x "$EDITOR" ]
then
   echo "No default editor, assuming vi."
   EDITOR=$defaulteditor
fi

if [ ! -x "$EDITOR" ]
then
  echo "Could not find an editor."
  exit 1
fi

# Check to see if existing temporary doas.conf file exists.
if [ -f "$tmpdoas" ]
then
   echo "Someone is already working on the doas.conf file."
   exit 2
fi

# Check to see if an existing configuration file is installed.
if [ -f "$installeddoas" ]
then
   cp "$installeddoas" "$tmpdoas"
   $EDITOR "$tmpdoas"
fi

doas -C "$tmpdoas"
status=$?
while [ $status -ge 1 ]
do
   echo "An error was found in the configuration file. Please fix doas.conf."
   read status
   $EDITOR "$tmpdoas"
   doas -C "$tmpdoas"
   status=$?
done

echo "Parsing check of doas.conf passed. Installing new copy of doas.conf."
$doasexec cp "$tmpdoas" "$installeddoas"
rm -f "$tmpdoas"
exit 0