Tweaks & EOL's added

local/bin/x-ssl-expiry-date

@@ -4,37 +4,27 @@
 # -----
 # Check the expiry date of the SSL certificate on the given host.
 #
-#
 # License
 # -------
-#
 # Copyright (c) 2013-2015 by Steve Kemp.  All rights reserved.
 #
 # This script is free software; you can redistribute it and/or modify it under
 # the same terms as Perl itself.
 #
 # The LICENSE file contains the full text of the license.
-#
-#
 
-#
-#  Simple function to show usage information, and exit.
-#
+# Simple function to show usage information, and exit.
 usage()
 {
   echo "Usage: $0 [-d] [-p 443] domain1.org domain2.com .. domainN"
   exit 0
 }
 
-#
-#  Default settings for flags set by the command-line arguments
-#
+# Default settings for flags set by the command-line arguments
 days=0
 port=443
 
-#
-#  Parse the argument(s) - i.e. look for "-d" / "-p 443".
-#
+# Parse the argument(s) - i.e. look for "-d" / "-p 443".
 while getopts "h?dp:" opt; do
   case $opt in
     h)
@@ -53,21 +43,15 @@ while getopts "h?dp:" opt; do
 done
 shift $((OPTIND - 1))
 
-#
-#  Ensure we have some arguments
-#
+# Ensure we have some arguments
 if [ "$#" = "0" ]; then
   usage
 fi
 
-#
 # For each domain-name on the command-line.
-#
 for name in "$@"; do
 
-  #
-  #  Make a temporary file
-  #
+  # Make a temporary file
   # Test if we have BSD or GNU version of mktemp
   if (strings "$(which mktemp)" | grep -q GNU); then
     # We have the GNU version
@@ -77,27 +61,19 @@ for name in "$@"; do
     tmp=$(mktemp -t tmp)
   fi
 
-  #
-  #  Download the certificate
-  #
-  if (! echo "" | openssl s_client -connect $name:$port > $tmp 2> /dev/null); then
+  # Download the certificate
+  if (! echo "" | openssl s_client -connect "$name:$port" > "$tmp" 2> /dev/null); then
     echo "Failed to get cert from https://$name:$port/"
     exit 3
   fi
 
-  #
-  #  Get the expiry date
-  #
+  # Get the expiry date
   date=$(openssl x509 -in "$tmp" -noout -enddate | awk -F= '{print $2}')
 
-  #
-  #  Remove the temporary file
-  #
+  # Remove the temporary file
   rm -f "$tmp"
 
-  #
-  #  Convert the expiry date + todays date to seconds-past epoch
-  #
+  # Convert the expiry date + todays date to seconds-past epoch
   # Check if we have the BSD or the GNU version of date
   if (strings "$(which date)" | grep -q GNU); then
     # We have GNU this is easy
@@ -115,15 +91,11 @@ for name in "$@"; do
 
   now=$(date +%s)
 
-  #
-  #  Day diff
-  #
+  # Day diff
   diff=$(("$then" - "$now"))
   diff=$($diff / 86400)
 
-  #
-  #  All done
-  #
+  # All done
   if [ "$days" = "1" ]; then
     echo "${name}: ${diff}"
   else
@@ -132,3 +104,4 @@ for name in "$@"; do
     echo "    Days: ${diff}"
   fi
 done
+