#!/bin/sh

if [ -z $1 ] || [ -z $2 ]; then
    echo "$0 <ca-bundle.crt> <capath>"
    exit 1
fi

if [ ! -f $1 ]; then
    echo "File not found \"$1\""
    exit 2
fi

if [ ! -d $2 ]; then
    echo "Directory not found \"$2\""
    exit 2
fi

CABUNDLE=$1
TARGET=$2
TEMP=`mktemp -d`

if [ ! -d "$TEMP" ]; then
    echo "Temp directory creation failed"
    exit 3
fi

( cd $TEMP && csplit -k "$CABUNDLE" '/BEGIN/' '{1000}' >/dev/null )

for i in `ls $TEMP/xx*`; do
    name=`openssl x509 -hash -noout -in \$i 2>/dev/null`.0
    openssl x509 -in "$i" -out "$TARGET/$name" 2>/dev/null
done

rm -rf "$TEMP"