decode objectGUID

#!/bin/bash

DECODE_BASE64(){
    # This function takes the encoded output from ldapsearch and decodes it 
    # It then needs to be "hex-dumped" in order to get it into regular text
    # So that we can work with it
    OBJECT_ID="$1"
    BASE64_DECODED=$(echo $OBJECT_ID | base64 -D)
    G=($(echo ${BASE64_DECODED} | hexdump -e '16/1 " %02X"'))
    OBJECTGUID="${G[3]}${G[2]}${G[1]}${G[0]}-${G[5]}${G[4]}-${G[7]}${G[6]}-${G[8]}${G[9]}-${G[10]}${G[11]}${G[12]}${G[13]}${G[14]}${G[15]}"
}

# Set our objectGUID that we get from ldapsearch to a variable
TO_BE_DECODED="TE0kyRyv8UCppPeXes5JTg=="

# Send this to our decode function
DECODE_BASE64 $TO_BE_DECODED

# Now echo the result
echo $OBJECTGUID

exit 0