#! /bin/bash

if [ $# -ne 1 ]
then
echo "Usage: $0 MyCert.p12"
exit
fi
if ! [[ "$1" =~ ".*\.p12$" ]] 
then
echo "Error: Cert not in p12 format!"
exit
fi
CERT=$HOME/$1
GLOBDIR=$HOME/.globus
if [ ! -e $GLOBDIR ]
then 
  mkdir $GLOBDIR
  chmod 700 $GLOBDIR
else
  if [ -e $GLOBDIR/usercert.pem ]
  then
    rm -f $GLOBDIR/usercert.pem
  fi
  if [ -e $GLOBDIR/userkey.pem ]
  then
    rm -f $GLOBDIR/userkey.pem
  fi
fi
cd $GLOBDIR
openssl pkcs12 -in $CERT -out usercert.pem -nokeys -clcerts || exit
openssl pkcs12 -in $CERT -out userkey.pem -nocerts || exit
chmod 444 usercert.pem
chmod 400 userkey.pem