formula-vault/vault/files/cert-gen.sh.jinja

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#!/usr/bin/env bash
###
# Check for root name.
##
root=$1
shift
if [[ -z "$root" ]]; then
echo "you must pass 2 arguments; first for root name, second for child name"
exit
fi
###
# Check for child name
##
child=$1
if [[ -z "$child" ]]; then
echo "you must pass 2 arguments; first for root name ($root), second for child name"
exit
fi
###
# Use the child name as the password because Java Keystore requires it
##
pw="$child"
###
# Generate the root certificate
##
root_key="$root.key"
root_pem="$root.pem"
root_key_nopass="$root-nopass.key"
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root_subj="/C={{ vault.self_signed_cert.country }}/ST={{ vault.self_signed_cert.state }}/L={{ vault.self_signed_cert.city }}/O={{ vault.self_signed_cert.org }}/OU={{ vault.self_signed_cert.org_unit }}/CN=$root\_ca"
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root_p12="$root.p12"
###
# Generate the root private key
##
if [[ -e "$root_key" ]]; then
echo "$root_key already exits"
else
echo "generate $root_key"
openssl genrsa -aes256 -passout pass:"$pw" -out "$root_key" 4096
fi
###
# Genereate the the root privacy enhanced email (PEM)
##
if [[ -e "$root_pem" ]]; then
echo "$root_pem already exits"
else
echo "generate $root_pem"
openssl req -new -x509 -days 3652 -key "$root_key" -out "$root_pem" -passin pass:"$pw" -subj "$root_subj"
fi
###
# Generate the root public key (P12)
##
if [[ -e "$root_p12" ]]; then
echo "$root_p12 already exits"
else
echo "generate $root_p12"
openssl pkcs12 -export -in "$root_pem" -inkey "$root_key" -passin pass:"$pw" -passout pass:"$pw" -out "$root_p12" \
-name "$root"
fi
###
# Generate the child certificate
##
child_name="${root}_${child}"
child_key="$child_name.key"
child_pem="$child_name.pem"
child_csr="$child_name.csr"
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child_subj="/C={{ vault.self_signed_cert.country }}/ST={{ vault.self_signed_cert.state }}/L={{ vault.self_signed_cert.city }}/O={{ vault.self_signed_cert.org }}/OU={{ vault.self_signed_cert.org_unit }}/CN=$child_name"
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child_p12="$child_name.p12"
child_jks="$child_name.jks"
###
# Generate the child private key
##
if [[ -e "$child_key" ]]; then
echo "$child_key already exits"
else
echo "generate $child_key"
openssl genrsa -aes256 -passout pass:"$pw" -out "$child_key" 4096
fi
###
# Genereate the the child privacy enhanced email (PEM)
##
if [[ -e "$child_pem" ]]; then
echo "$child_pem already exits"
else
echo "generate $child_csr"
openssl req -new -key "$child_key" -passin pass:"$pw" -out "$child_csr" -subj "$child_subj"
echo "generate $child_pem"
openssl x509 -req -days 36524 -in "$child_csr" -CA "$root_pem" -CAkey "$root_key" -passin pass:"$pw" -set_serial 1 \
-out "$child_pem"
fi
###
# Generate the child public key (P12)
##
if [[ -e "$child_p12" ]]; then
echo "$child_p12 already exits"
else
echo "generate $child_p12"
openssl pkcs12 -export -in "$child_pem" -inkey "$child_key" -passin pass:"$pw" -passout pass:"$pw" -out "$child_p12" \
-certfile "$root_pem" -caname "$root" -name "$child_name"
fi
###
# Generate the Java Keystore (JKS)
##
if [[ -e "$child_jks" ]]; then
echo "$child_jks already exits"
else
keytool="keytool"
if [[ -n $(command -v $keytool) ]]; then
echo "generate $child_jks with $root trustedCertEntry"
$keytool -importcert -trustcacerts -noprompt -file "$root_pem" -destkeystore "$child_jks" -storepass "$pw" \
-alias "$root" -v
echo "supplement $child_jks with $child PrivateKeyEntry"
$keytool -importkeystore -destkeystore "$child_jks" -storepass "$pw" -srckeystore "$child_p12" \
-srcstoretype pkcs12 -srcstorepass "$pw" -alias "$child_name" -v
else
echo "$keytool is not installed"
fi
fi
echo "Generating version of '$root_key' without password as '$root_key_nopass'."
openssl rsa -in "$root_key" -out "$root_key_nopass" -passin pass:"$pw"