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#!/bin/bash


genCAKey() {
    openssl genrsa -out CA.key 2048
}


genCACert() {
    openssl req -key CA.key -new -out CA.csr -subj "/C=US/ST=San Francisco/L=California/O=automotivelinux.org/CN=localhost-ca/emailAddress=agl-dev-community@lists.automotivelinux.org"
    openssl x509 -signkey CA.key -in CA.csr -req -days 3650 -out CA.pem
}

genKey() {
    openssl genrsa -out $1.key 2048
}

genCert() {
    openssl req -new -key $1.key -out $1.csr -passin pass:"temp" -subj "/C=US/ST=San Francisco/L=California/O=automotivelinux.org/CN=$1/emailAddress=agl-dev-community@lists.automotivelinux.org"
    openssl x509 -req -in $1.csr -extfile <(printf "subjectAltName=DNS:$1,DNS:localhost,IP:127.0.0.1") -CA CA.pem -CAkey CA.key -CAcreateserial -days 1460 -out $1.pem
    openssl verify -CAfile CA.pem $1.pem
}

set -e
# Check if the CA is available, else make CA certificates
if [ -f "CA.key" ]; then
    echo "Existing CA.key will be used"
else
    echo "No CA.key found, will generate new key"
    genCAKey
    rm -f CA.pem
    echo ""
fi

# Check if the CA.pem is available, else generate a new CA.pem
if [ -f "CA.pem" ]; then
    echo "CA.pem will not be regenerated"
else
    echo "No CA.pem found, will generate new CA.pem"
    genCACert
    echo ""
fi


for i in Server Client;
do
    if [ -f $i.key ]; then
        echo "Existing $i.key will be used"
    else
        echo "No $i.key found, will generate new key"
        genKey $i
    fi
    echo ""
    echo "Generating $i.pem"
    genCert $i
    echo ""
done