#!/bin/sh

arg1=""
arg2=""
arg3=""

ksfile=""
oldpw=""
alias=""

menu()
{
   echo Arguments for changeP12password utlity
   echo ========================================
   echo  -keystorefile               Keystore file            
   echo  -keypassword                Current key password
   exit 1
}

terminate ()
{
  exit 1
}

success ()
{
  rm -rf tomcat-keystore.pem
  echo "### Success: $ksfile password changed ###"
  exit 1
}

parseargs2 ()
{
   keystorefile="-keystorefile"
   if [ "$arg1" != $keystorefile ]
   then
     echo Wrong argument: $arg1
     menu
   else
     if [ "$arg2" != "-keypassword" ]
     then 
       echo Wrong argument: $arg2
       menu
     fi
   fi
}


execution ()
{
tmppassword="temp"
sslc pkcs12 -in $ksfile -out tomcat-keystore.pem -passin pass:$oldpw -passout pass:$tmppassword
if [ "$?" != "0" ]
then
   echo MAC verify error: invalid password?
   rm -rf tomcat-keystore.pem
   terminate
fi

rm -rf tomcat-keystore_bk.p12
echo "##### Take backup of original tomcat-keystore.p12 as tomcat-keystore_bk.p12 #####"
mv  $ksfile tomcat-keystore_bk.p12 

sslc pkcs12 -export -in tomcat-keystore.pem -out $ksfile -passin pass:$tmppassword -name $alias
if [ "$?" != "0" ]
then
   echo Error changing keystore password !!!
   rm -rf tomcat-keystore.pem
   rm -rf $ksfile
   mv tomcat-keystore_bk.p12 $ksfile
fi
rm -rf tomcat-keystore.pem
}

if [ "$#" -eq "4" ]
then
    arg1=$1
    arg2=$3
    parseargs2
    ksfile=$2
    oldpw=$4
    alias="test2"
else
    menu
fi
execution
terminate