1113 lines
31 KiB
Bash
Executable file
1113 lines
31 KiB
Bash
Executable file
#!/bin/sh
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#
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# shellpki is a wrapper around OpenSSL to manage a small PKI
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#
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set -u
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VERSION="22.12"
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show_version() {
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cat <<END
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shellpki version ${VERSION}
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Copyright 2010-2022 Evolix <info@evolix.fr>,
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Thomas Martin <tmartin@evolix.fr>,
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Gregory Colpart <reg@evolix.fr>,
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Romain Dessort <rdessort@evolix.fr>,
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Benoit Série <bserie@evolix.fr>,
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Victor Laborie <vlaborie@evolix.fr>,
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Daniel Jakots <djakots@evolix.fr>,
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Patrick Marchand <pmarchand@evolix.fr>,
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Jérémy Lecour <jlecour@evolix.fr>,
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Jérémy Dubois <jdubois@evolix.fr>
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and others.
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shellpki comes with ABSOLUTELY NO WARRANTY. This is free software,
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and you are welcome to redistribute it under certain conditions.
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See the MIT Licence for details.
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END
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}
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show_usage() {
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cat <<EOF
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Usage: ${0} <subcommand> [options] [CommonName]
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Warning: [options] always must be before [CommonName] and after <subcommand>
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EOF
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show_usage_init
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show_usage_create
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show_usage_revoke
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show_usage_list
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show_usage_check
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show_usage_ocsp
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cat <<EOF
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Show version :
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${0} --version
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Show help :
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${0} --help
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EOF
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}
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show_usage_init() {
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cat <<EOF
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Initialize PKI (create CA key and self-signed certificate) :
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${0} init [options] <commonName_for_CA>
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Options
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--non-interactive do not prompt the user, and exit if an error occurs
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EOF
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}
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show_usage_create() {
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cat <<EOF
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Create a client certificate with key and CSR directly generated on server :
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${0} create [options] <commonName>
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Options
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-f, --file, --csr-file create a client certificate from a CSR (doesn't need key)
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-p, --password prompt the user for a password to set on the client key
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--password-file if provided with a path to a readable file, the first line is read and set as password on the client key
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--days specify how many days the certificate should be valid
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--end-date specify until which date the certificate should be valid, in "YYYY/MM/DD hh:mm:ss" format, UTC +0
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--non-interactive do not prompt the user, and exit if an error occurs
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--replace-existing if the certificate already exists, revoke it before creating a new one
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EOF
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}
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show_usage_revoke() {
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cat <<EOF
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Revoke a client certificate :
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${0} revoke [options] <commonName>
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Options
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--non-interactive do not prompt the user, and exit if an error occurs
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EOF
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}
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show_usage_list() {
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cat <<EOF
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List certificates :
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${0} list <options>
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Options
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-a, --all list all certificates: valid and revoked ones
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-v, --valid list all valid certificates
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-r, --revoked list all revoked certificates
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EOF
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}
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show_usage_check() {
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cat <<EOF
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Check expiration date of valid certificates :
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${0} check
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EOF
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}
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show_usage_ocsp() {
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cat <<EOF
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Run OCSP_D server :
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${0} ocsp <ocsp_uri:ocsp_port>
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EOF
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}
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error() {
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echo "${1}" >&2
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exit 1
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}
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warning() {
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echo "${1}" >&2
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}
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verify_ca_password() {
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"${OPENSSL_BIN}" pkey \
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-in "${CA_KEY}" \
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-passin pass:"${CA_PASSWORD}" \
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>/dev/null 2>&1
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}
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get_real_path() {
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# --canonicalize is supported on Linux
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# -f is supported on Linux and OpenBSD
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readlink -f -- "${1}"
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}
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ask_ca_password() {
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attempt=${1:-0}
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max_attempts=3
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trap 'unset CA_PASSWORD' 0
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if [ ! -f "${CA_KEY}" ]; then
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error "You must initialize your PKI with \`shellpki init' !"
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fi
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if [ "${attempt}" -gt 0 ]; then
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warning "Invalid password, retry."
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fi
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if [ "${attempt}" -ge "${max_attempts}" ]; then
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error "Maximum number of attempts reached (${max_attempts})."
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fi
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if [ -z "${CA_PASSWORD:-}" ]; then
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if [ "${non_interactive}" -eq 1 ]; then
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error "In non-interactive mode, you must pass CA_PASSWORD as environment variable"
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fi
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stty -echo
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printf "Password for CA key: "
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read -r CA_PASSWORD
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stty echo
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printf "\n"
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fi
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if [ -z "${CA_PASSWORD:-}" ] || ! verify_ca_password; then
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unset CA_PASSWORD
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attempt=$(( attempt + 1 ))
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ask_ca_password "${attempt}"
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fi
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}
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ask_user_password() {
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trap 'unset PASSWORD' 0
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if [ -z "${PASSWORD:-}" ]; then
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if [ "${non_interactive}" -eq 1 ]; then
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error "In non-interactive mode, you must pass PASSWORD as environment variable or use --password-file"
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fi
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stty -echo
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printf "Password for user key: "
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read -r PASSWORD
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stty echo
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printf "\n"
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fi
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if [ -z "${PASSWORD:-}" ]; then
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warning "Warning: empty password from input"
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fi
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}
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replace_existing_or_abort() {
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cn=${1:?}
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if [ "${non_interactive}" -eq 1 ]; then
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if [ "${replace_existing}" -eq 1 ]; then
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revoke --non-interactive "${cn}"
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else
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error "${cn} already exists, use \`--replace-existing' to force"
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fi
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else
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if [ "${replace_existing}" -eq 1 ]; then
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revoke "${cn}"
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else
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printf "%s already exists, do you want to revoke and recreate it ? [y/N] " "${cn}"
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read -r REPLY
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resp=$(echo "${REPLY}" | tr 'Y' 'y')
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if [ "${resp}" = "y" ]; then
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revoke "${cn}"
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else
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error "Aborted"
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fi
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fi
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fi
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}
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init() {
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umask 0177
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[ -d "${CA_DIR}" ] || mkdir -m 0751 "${CA_DIR}"
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[ -d "${CRT_DIR}" ] || mkdir -m 0750 "${CRT_DIR}"
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[ -f "${INDEX_FILE}" ] || touch "${INDEX_FILE}"
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[ -f "${INDEX_FILE}.attr" ] || touch "${INDEX_FILE}.attr"
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[ -f "${CRL}" ] || touch "${CRL}"
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[ -f "${SERIAL}" ] || echo "01" > "${SERIAL}"
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non_interactive=0
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# Parse options
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# based on https://gist.github.com/deshion/10d3cb5f88a21671e17a
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while :; do
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case ${1:-} in
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--non-interactive)
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non_interactive=1
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;;
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--)
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# End of all options.
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shift
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break
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;;
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-?*)
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# ignore unknown options
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warning "Warning: unknown option (ignored): \`$1'"
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;;
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*)
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# Default case: If no more options then break out of the loop.
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break
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;;
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esac
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shift
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done
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cn="${1:-}"
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if [ -z "${cn}" ]; then
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show_usage_init >&2
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exit 1
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fi
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if [ -f "${CA_KEY}" ]; then
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if [ "${non_interactive}" -eq 1 ]; then
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error "${CA_KEY} already exists, erase it manually if you want to start over."
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else
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printf "%s already exists, do you really want to erase it ? [y/N] " "${CA_KEY}"
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read -r REPLY
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resp=$(echo "${REPLY}" | tr 'Y' 'y')
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if [ "${resp}" = "y" ]; then
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rm -f "${CA_KEY}" "${CA_CERT}"
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fi
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fi
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fi
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passout_arg=""
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if [ -n "${CA_PASSWORD:-}" ]; then
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passout_arg="-pass pass:${CA_PASSWORD}"
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elif [ "${non_interactive}" -eq 1 ]; then
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error "In non-interactive mode, you must pass CA_PASSWORD as environment variable."
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fi
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if [ ! -f "${CA_KEY}" ]; then
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"${OPENSSL_BIN}" genpkey \
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-algorithm RSA \
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-out "${CA_KEY}" \
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${passout_arg} \
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-aes256 \
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-pkeyopt "rsa_keygen_bits:${CA_KEY_LENGTH}" \
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>/dev/null 2>&1
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# shellcheck disable=SC2181
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if [ "$?" -ne 0 ]; then
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error "Error generating the CA key"
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fi
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fi
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if [ -f "${CA_CERT}" ]; then
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if [ "${non_interactive}" -eq 1 ]; then
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error "${CA_CERT} already exists, erase it manually if you want to start over."
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else
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printf "%s already exists, do you really want to erase it ? [y/N] " "${CA_CERT}"
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read -r REPLY
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resp=$(echo "${REPLY}" | tr 'Y' 'y')
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if [ "${resp}" = "y" ]; then
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rm "${CA_CERT}"
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fi
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fi
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fi
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if [ ! -f "${CA_CERT}" ]; then
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ask_ca_password 0
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fi
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if [ ! -f "${CA_CERT}" ]; then
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"${OPENSSL_BIN}" req \
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-new \
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-batch \
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-sha512 \
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-x509 \
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-days 3650 \
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-extensions v3_ca \
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-passin pass:"${CA_PASSWORD}" \
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-key "${CA_KEY}" \
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-out "${CA_CERT}" \
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-config /dev/stdin <<EOF
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$(cat "${CONF_FILE}")
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commonName_default = ${cn}
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EOF
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# shellcheck disable=SC2181
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if [ "$?" -ne 0 ]; then
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error "Error generating the CA certificate"
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fi
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"${OPENSSL_BIN}" ca \
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-config "${CONF_FILE}" \
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-passin pass:${CA_PASSWORD} \
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-gencrl \
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-out "${CRL}"
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fi
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}
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ocsp() {
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umask 0177
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ocsp_uri="${1:-}"
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if [ -z "${ocsp_uri}" ]; then
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show_usage_ocsp >&2
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exit 1
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fi
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ocsp_csr_file="${CSR_DIR}/ocsp.csr"
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url=$(echo "${ocsp_uri}" | cut -d':' -f1)
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port=$(echo "${ocsp_uri}" | cut -d':' -f2)
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if [ ! -f "${OCSP_KEY}" ]; then
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"${OPENSSL_BIN}" genpkey \
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-algorithm RSA \
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-out "${OCSP_KEY}" \
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-pkeyopt "rsa_keygen_bits:${KEY_LENGTH}" \
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>/dev/null 2>&1
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# shellcheck disable=SC2181
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if [ "$?" -ne 0 ]; then
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error "Error generating the OCSP key"
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fi
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fi
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"${OPENSSL_BIN}" req \
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-batch \
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-new \
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-key "${OCSP_KEY}" \
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-out "${ocsp_csr_file}" \
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-config /dev/stdin <<EOF
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$(cat "${CONF_FILE}")
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commonName_default = ${url}
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[ usr_cert ]
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authorityInfoAccess = OCSP;URI:http://${ocsp_uri}
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EOF
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# shellcheck disable=SC2181
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if [ "$?" -ne 0 ]; then
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error "Error generating the OCSP request"
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fi
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if [ ! -f "${OCSP_CERT}" ]; then
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ask_ca_password 0
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fi
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if [ ! -f "${OCSP_CERT}" ]; then
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"${OPENSSL_BIN}" ca \
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-extensions v3_ocsp \
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-in "${ocsp_csr_file}" \
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-out "${OCSP_CERT}" \
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-passin pass:"${CA_PASSWORD}" \
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-config "${CONF_FILE}"
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# shellcheck disable=SC2181
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if [ "$?" -ne 0 ]; then
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error "Error generating the OCSP certificate"
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fi
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fi
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exec "${OPENSSL_BIN}" ocsp \
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-ignore_err \
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-index "${INDEX_FILE}" \
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-port "${port}" \
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-rsigner "${OCSP_CERT}" \
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-rkey "${OCSP_KEY}" \
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-CA "${CA_CERT}" \
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-text
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}
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create() {
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from_csr=0
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ask_pass=0
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non_interactive=0
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replace_existing=0
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days=""
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end_date=""
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days_set=0
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end_date_set=0
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password_set=0
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password_file_set=0
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# Parse options
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# based on https://gist.github.com/deshion/10d3cb5f88a21671e17a
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while :; do
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case ${1:-} in
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-f|--file|--csr-file)
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# csr-file option, with value separated by space
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if [ -n "$2" ]; then
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from_csr=1
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csr_file=$(get_real_path "${2}")
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# shellcheck disable=SC2181
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if [ "$?" -ne 0 ]; then
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error "Error accessing file \`${2}'"
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fi
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shift
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else
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error "Argument error: \`--csr-file' requires a value"
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fi
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;;
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--file=?*|--csr-file=?*)
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from_csr=1
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# csr-file option, with value separated by =
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csr_file=$(get_real_path "${1#*=}")
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# shellcheck disable=SC2181
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if [ "$?" -ne 0 ]; then
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error "Error accessing file \`${1#*=}'"
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fi
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;;
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--file=|--csr-file=)
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# csr-file options, without value
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error "Argument error: \`--csr-file' requires a value"
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;;
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-p|--password)
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ask_pass=1
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password_set=1
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;;
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--password-file)
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# password-file option, with value separated by space
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if [ -n "$2" ]; then
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password_file=$(get_real_path "${2}")
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# shellcheck disable=SC2181
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if [ "$?" -ne 0 ]; then
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error "Error accessing file \`${2}'"
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fi
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password_file_set=1
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shift
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else
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error "Argument error: \`--password-file' requires a value"
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fi
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;;
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--password-file=?*)
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# password-file option, with value separated by =
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password_file=$(get_real_path "${1#*=}")
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# shellcheck disable=SC2181
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if [ "$?" -ne 0 ]; then
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error "Error accessing file \`${1#*=}'"
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fi
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password_file_set=1
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;;
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--password-file=)
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# password-file options, without value
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error "Argument error: \`--password-file' requires a value"
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;;
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--days)
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# days option, with value separated by space
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if [ -n "$2" ]; then
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days=${2}
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days_set=1
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shift
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else
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error "Argument error: \`--days' requires a value"
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fi
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;;
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--days=?*)
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# days option, with value separated by =
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days=${1#*=}
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days_set=1
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;;
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--days=)
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# days options, without value
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error "Argument error: \`--days' requires a value"
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;;
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--end-date)
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# end-date option, with value separated by space
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if [ -n "$2" ]; then
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end_date=${2}
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end_date_set=1
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shift
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else
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error "Argument error: \`--end-date' requires a value"
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fi
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;;
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--end-date=?*)
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# end-date option, with value separated by =
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end_date=${1#*=}
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end_date_set=1
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;;
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--end-date=)
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# end-date options, without value
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error "Argument error: \`--end-date' requires a value"
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;;
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--non-interactive)
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non_interactive=1
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;;
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--replace-existing)
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replace_existing=1
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;;
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--)
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# End of all options.
|
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shift
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break
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;;
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-?*)
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# ignore unknown options
|
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warning "Warning: unknown option (ignored): \`$1'"
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;;
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*)
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# Default case: If no more options then break out of the loop.
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break
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;;
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esac
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shift
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done
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|
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if [ "${days_set}" -eq 1 ] && [ "${end_date_set}" -eq 1 ]; then
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error "Argument error: \`--end-date' and \`--days' cannot be used together."
|
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fi
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|
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if [ "${password_set}" -eq 1 ] && [ "${password_file_set}" -eq 1 ]; then
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error "Argument error: \`--password' and \`--password-file' cannot be used together."
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fi
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|
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# The name of the certificate
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cn="${1:-}"
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|
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# Set expiration argument
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crt_expiration_arg=""
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if [ -n "${days}" ]; then
|
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if [ "${days}" -gt 0 ]; then
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crt_expiration_arg="-days ${days}"
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else
|
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error "Argument error: \"${days}\" is not a valid value for \`--days'."
|
|
fi
|
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fi
|
|
if [ -n "${end_date}" ]; then
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if [ "${SYSTEM}" = "linux" ]; then
|
|
cert_end_date=$(TZ=:Zulu date --date "${end_date}" +"%Y%m%d%H%M%SZ" 2> /dev/null)
|
|
# shellcheck disable=SC2181
|
|
if [ "$?" -ne 0 ]; then
|
|
error "Invalid end date format: \`${end_date}' can't be parsed by date(1). Expected format: YYYY/MM/DD [hh[:mm[:ss]]]."
|
|
else
|
|
crt_expiration_arg="-enddate ${cert_end_date}"
|
|
fi
|
|
elif [ "${SYSTEM}" = "openbsd" ]; then
|
|
cert_end_date=$(TZ=:Zulu date -f "%C%y/%m/%d %H:%M:%S" -j "${end_date}" +"%Y%m%d%H%M%SZ" 2> /dev/null)
|
|
# shellcheck disable=SC2181
|
|
if [ "$?" -ne 0 ]; then
|
|
error "Invalid end date format: \`${end_date}' can't be parsed by date(1). Expected format: YYYY/MM/DD hh:mm:ss."
|
|
else
|
|
crt_expiration_arg="-enddate ${cert_end_date}"
|
|
fi
|
|
else
|
|
error "System ${SYSTEM} not supported."
|
|
fi
|
|
fi
|
|
if [ "${non_interactive}" -eq 1 ]; then
|
|
batch_arg="-batch"
|
|
else
|
|
batch_arg=""
|
|
fi
|
|
|
|
if [ "${from_csr}" -eq 1 ]; then
|
|
if [ "${ask_pass}" -eq 1 ]; then
|
|
warning "Warning: -p|--password is ignored with -f|--file|--crt-file"
|
|
fi
|
|
if [ -n "${password_file:-}" ]; then
|
|
warning "Warning: --password-file is ignored with -f|--file|--crt-file"
|
|
fi
|
|
|
|
crt_file="${CRT_DIR}/${cn}.crt"
|
|
|
|
# ask for CA passphrase
|
|
ask_ca_password 0
|
|
|
|
# check if csr_file is a CSR
|
|
"${OPENSSL_BIN}" req \
|
|
-noout \
|
|
-subject \
|
|
-in "${csr_file}" \
|
|
>/dev/null 2>&1
|
|
# shellcheck disable=SC2181
|
|
if [ "$?" -ne 0 ]; then
|
|
error "${csr_file} is not a valid CSR !"
|
|
fi
|
|
|
|
# check if csr_file contain a CN
|
|
"${OPENSSL_BIN}" req \
|
|
-noout \
|
|
-subject \
|
|
-in "${csr_file}" \
|
|
| grep -Eo "CN\s*=[^,/]*" \
|
|
>/dev/null 2>&1
|
|
# shellcheck disable=SC2181
|
|
if [ "$?" -ne 0 ]; then
|
|
error "${csr_file} doesn't contain a CommonName !"
|
|
fi
|
|
|
|
# get CN from CSR
|
|
cn=$("${OPENSSL_BIN}" req -noout -subject -in "${csr_file}" | grep -Eo "CN\s*=[^,/]*" | cut -d'=' -f2 | xargs)
|
|
|
|
# check if CN already exists
|
|
if [ -f "${crt_file}" ]; then
|
|
replace_existing_or_abort "${cn}"
|
|
fi
|
|
|
|
# ca sign and generate cert
|
|
if [ "${non_interactive}" -eq 1 ]; then
|
|
batch_arg="-batch"
|
|
else
|
|
batch_arg=""
|
|
fi
|
|
"${OPENSSL_BIN}" ca \
|
|
${batch_arg} \
|
|
-config "${CONF_FILE}" \
|
|
-in "${csr_file}" \
|
|
-passin pass:"${CA_PASSWORD}" \
|
|
-out "${crt_file}" \
|
|
${crt_expiration_arg}
|
|
# shellcheck disable=SC2181
|
|
if [ "$?" -ne 0 ]; then
|
|
error "Error generating the certificate"
|
|
else
|
|
echo "The certificate file is available at \`${crt_file}'"
|
|
fi
|
|
else
|
|
if [ -z "${cn}" ]; then
|
|
show_usage_create >&2
|
|
exit 1
|
|
fi
|
|
csr_file="${CSR_DIR}/${cn}-${SUFFIX}.csr"
|
|
crt_file="${CRT_DIR}/${cn}.crt"
|
|
key_file="${KEY_DIR}/${cn}-${SUFFIX}.key"
|
|
ovpn_file="${OVPN_DIR}/${cn}-${SUFFIX}.ovpn"
|
|
pkcs12_file="${PKCS12_DIR}/${cn}-${SUFFIX}.p12"
|
|
|
|
# ask for CA passphrase
|
|
ask_ca_password 0
|
|
|
|
if [ "${ask_pass}" -eq 1 ]; then
|
|
ask_user_password
|
|
fi
|
|
|
|
# check if CN already exists
|
|
if [ -f "${crt_file}" ]; then
|
|
replace_existing_or_abort "${cn}"
|
|
fi
|
|
|
|
# generate private key
|
|
pass_args=""
|
|
if [ -n "${password_file:-}" ]; then
|
|
pass_args="-aes256 -pass file:${password_file}"
|
|
elif [ -n "${PASSWORD:-}" ]; then
|
|
pass_args="-aes256 -pass pass:${PASSWORD}"
|
|
fi
|
|
"${OPENSSL_BIN}" genpkey \
|
|
-algorithm RSA \
|
|
-out "${key_file}" \
|
|
${pass_args} \
|
|
-pkeyopt "rsa_keygen_bits:${KEY_LENGTH}" \
|
|
>/dev/null 2>&1
|
|
# shellcheck disable=SC2181
|
|
if [ "$?" -eq 0 ]; then
|
|
chmod 600 "${key_file}"
|
|
echo "The KEY file is available at \`${key_file}'"
|
|
else
|
|
error "Error generating the private key"
|
|
fi
|
|
|
|
# generate csr req
|
|
pass_args=""
|
|
if [ -n "${password_file:-}" ]; then
|
|
pass_args="-passin file:${password_file}"
|
|
elif [ -n "${PASSWORD:-}" ]; then
|
|
pass_args="-passin pass:${PASSWORD}"
|
|
fi
|
|
"${OPENSSL_BIN}" req \
|
|
-batch \
|
|
-new \
|
|
-key "${key_file}" \
|
|
-out "${csr_file}" \
|
|
${pass_args} \
|
|
-config /dev/stdin <<EOF
|
|
$(cat "${CONF_FILE}")
|
|
commonName_default = ${cn}
|
|
EOF
|
|
# shellcheck disable=SC2181
|
|
if [ "$?" -ne 0 ]; then
|
|
error "Error generating the CSR"
|
|
fi
|
|
|
|
# ca sign and generate cert
|
|
"${OPENSSL_BIN}" ca \
|
|
${batch_arg} \
|
|
-config "${CONF_FILE}" \
|
|
-passin pass:${CA_PASSWORD} \
|
|
-in "${csr_file}" \
|
|
-out "${crt_file}" \
|
|
${crt_expiration_arg}
|
|
# shellcheck disable=SC2181
|
|
if [ "$?" -ne 0 ]; then
|
|
error "Error generating the certificate"
|
|
fi
|
|
|
|
# check if CRT is a valid
|
|
"${OPENSSL_BIN}" x509 \
|
|
-noout \
|
|
-subject \
|
|
-in "${crt_file}" \
|
|
>/dev/null 2>&1
|
|
# shellcheck disable=SC2181
|
|
if [ "$?" -ne 0 ]; then
|
|
rm -f "${crt_file}"
|
|
fi
|
|
if [ ! -f "${crt_file}" ]; then
|
|
error "Error in CSR creation"
|
|
fi
|
|
|
|
chmod 640 "${crt_file}"
|
|
|
|
echo "The CRT file is available in ${crt_file}"
|
|
|
|
# generate pkcs12 format
|
|
pass_args=""
|
|
if [ -n "${password_file:-}" ]; then
|
|
# Hack for pkcs12 :
|
|
# If passin and passout files are the same path, it expects 2 lines
|
|
# so we make a temporary copy of the password file
|
|
password_file_out=$(mktemp)
|
|
cp "${password_file}" "${password_file_out}"
|
|
pass_args="-passin file:${password_file} -passout file:${password_file_out}"
|
|
elif [ -n "${PASSWORD:-}" ]; then
|
|
pass_args="-passin pass:${PASSWORD} -passout pass:${PASSWORD}"
|
|
else
|
|
pass_args="-passout pass:"
|
|
fi
|
|
"${OPENSSL_BIN}" pkcs12 \
|
|
-export \
|
|
-nodes \
|
|
-inkey "${key_file}" \
|
|
-in "${crt_file}" \
|
|
-out "${pkcs12_file}" \
|
|
${pass_args}
|
|
# shellcheck disable=SC2181
|
|
if [ "$?" -ne 0 ]; then
|
|
error "Error generating the pkcs12 file"
|
|
fi
|
|
|
|
if [ -n "${password_file_out:-}" ]; then
|
|
# Hack for pkcs12 :
|
|
# Destroy the temporary file
|
|
rm -f "${password_file_out}"
|
|
fi
|
|
|
|
chmod 640 "${pkcs12_file}"
|
|
echo "The PKCS12 config file is available at \`${pkcs12_file}'"
|
|
|
|
# generate openvpn format
|
|
if [ -e "${CA_DIR}/ovpn.conf" ]; then
|
|
cat "${CA_DIR}/ovpn.conf" - > "${ovpn_file}" <<EOF
|
|
<ca>
|
|
$(cat "${CA_CERT}")
|
|
</ca>
|
|
|
|
<cert>
|
|
$(cat "${crt_file}")
|
|
</cert>
|
|
|
|
<key>
|
|
$(cat "${key_file}")
|
|
</key>
|
|
EOF
|
|
chmod 640 "${ovpn_file}"
|
|
echo "The OpenVPN config file is available at \`${ovpn_file}'"
|
|
fi
|
|
|
|
# Copy files if destination exists
|
|
if [ -d "${COPY_DIR}" ]; then
|
|
for file in "${crt_file}" "${key_file}" "${pkcs12_file}" "${ovpn_file}"; do
|
|
if [ -f "${file}" ]; then
|
|
new_file="${COPY_DIR}/$(basename "${file}")"
|
|
if [ "${replace_existing}" -eq 1 ]; then
|
|
cp -f "${file}" "${COPY_DIR}/"
|
|
else
|
|
if [ "${non_interactive}" -eq 1 ]; then
|
|
if [ -f "${new_file}" ]; then
|
|
echo "File \`${file}' has not been copied to \`${new_file}', it already exists" >&2
|
|
continue
|
|
else
|
|
cp "${file}" "${COPY_DIR}/"
|
|
fi
|
|
else
|
|
cp -i "${file}" "${COPY_DIR}/"
|
|
fi
|
|
fi
|
|
echo "File \`${file}' has been copied to \`${new_file}'"
|
|
fi
|
|
done
|
|
|
|
# shellcheck disable=SC2086
|
|
chown -R ${PKI_USER}:${PKI_USER} "${COPY_DIR}/"
|
|
chmod -R u=rwX,g=rwX,o= "${COPY_DIR}/"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
revoke() {
|
|
non_interactive=0
|
|
|
|
# Parse options
|
|
# based on https://gist.github.com/deshion/10d3cb5f88a21671e17a
|
|
while :; do
|
|
case ${1:-} in
|
|
--non-interactive)
|
|
non_interactive=1
|
|
;;
|
|
--)
|
|
# End of all options.
|
|
shift
|
|
break
|
|
;;
|
|
-?*)
|
|
# ignore unknown options
|
|
warning "Warning: unknown option (ignored): \`$1'"
|
|
;;
|
|
*)
|
|
# Default case: If no more options then break out of the loop.
|
|
break
|
|
;;
|
|
esac
|
|
|
|
shift
|
|
done
|
|
|
|
# The name of the certificate
|
|
cn="${1:-}"
|
|
|
|
if [ -z "${cn}" ]; then
|
|
show_usage_revoke >&2
|
|
exit 1
|
|
fi
|
|
|
|
crt_file="${CRT_DIR}/${cn}.crt"
|
|
# check if CRT exists
|
|
if [ ! -f "${crt_file}" ]; then
|
|
error "Unknow CN: ${cn} (\`${crt_file}' not found)"
|
|
fi
|
|
|
|
# check if CRT is a valid
|
|
"${OPENSSL_BIN}" x509 \
|
|
-noout \
|
|
-subject \
|
|
-in "${crt_file}" \
|
|
>/dev/null 2>&1
|
|
# shellcheck disable=SC2181
|
|
if [ "$?" -ne 0 ]; then
|
|
error "${crt_file} is not a valid CRT, you must delete it !"
|
|
fi
|
|
|
|
# ask for CA passphrase
|
|
ask_ca_password 0
|
|
|
|
echo "Revoke certificate ${crt_file} :"
|
|
"${OPENSSL_BIN}" ca \
|
|
-config "${CONF_FILE}" \
|
|
-passin pass:"${CA_PASSWORD}" \
|
|
-revoke "${crt_file}"
|
|
# shellcheck disable=SC2181
|
|
if [ "$?" -eq 0 ]; then
|
|
rm "${crt_file}"
|
|
fi
|
|
|
|
"${OPENSSL_BIN}" ca \
|
|
-config "${CONF_FILE}" \
|
|
-passin pass:"${CA_PASSWORD}" \
|
|
-gencrl \
|
|
-out "${CRL}"
|
|
}
|
|
|
|
list() {
|
|
if [ ! -f "${INDEX_FILE}" ]; then
|
|
exit 0
|
|
fi
|
|
|
|
if [ -z "${1:-}" ]; then
|
|
show_usage_list >&2
|
|
exit 1
|
|
fi
|
|
|
|
while :; do
|
|
case "${1:-}" in
|
|
-a|--all)
|
|
list_valid=0
|
|
list_revoked=0
|
|
;;
|
|
-v|--valid)
|
|
list_valid=0
|
|
list_revoked=1
|
|
;;
|
|
-r|--revoked)
|
|
list_valid=1
|
|
list_revoked=0
|
|
;;
|
|
-?*)
|
|
warning "unknow option ${1} (ignored)"
|
|
;;
|
|
*)
|
|
break
|
|
;;
|
|
esac
|
|
shift
|
|
done
|
|
|
|
if [ "${list_valid}" -eq 0 ]; then
|
|
certs=$(grep "^V" "${INDEX_FILE}")
|
|
fi
|
|
|
|
if [ "${list_revoked}" -eq 0 ]; then
|
|
certs=$(grep "^R" "${INDEX_FILE}")
|
|
fi
|
|
|
|
if [ "${list_valid}" -eq 0 ] && [ "${list_revoked}" -eq 0 ]; then
|
|
certs=$(cat "${INDEX_FILE}")
|
|
fi
|
|
|
|
echo "${certs}" | grep -Eo "CN\s*=[^,/]*" | cut -d'=' -f2 | xargs -n1
|
|
}
|
|
|
|
cert_end_date() {
|
|
"${OPENSSL_BIN}" x509 -noout -enddate -in "${1}" | cut -d'=' -f2
|
|
}
|
|
|
|
check() {
|
|
# default expiration alert
|
|
# TODO: permit override with parameters
|
|
min_day=90
|
|
cur_epoch=$(date -u +'%s')
|
|
|
|
for cert in "${CRT_DIR}"/*; do
|
|
end_date=$(cert_end_date "${cert}")
|
|
end_epoch=$(date -ud "${end_date}" +'%s')
|
|
diff_epoch=$(( end_epoch - cur_epoch ))
|
|
diff_day=$(( diff_epoch / 60 / 60 / 24 ))
|
|
if [ "${diff_day}" -lt "${min_day}" ]; then
|
|
if [ "${diff_day}" -le 0 ]; then
|
|
echo "${cert} has expired"
|
|
else
|
|
echo "${cert} expire in ${diff_day} days"
|
|
fi
|
|
fi
|
|
done
|
|
}
|
|
|
|
is_user() {
|
|
getent passwd "${1}" >/dev/null
|
|
}
|
|
is_group() {
|
|
getent group "${1}" >/dev/null
|
|
}
|
|
|
|
main() {
|
|
# Know what system we are on, because OpenBSD and Linux do not implement date(1) in the same way
|
|
SYSTEM=$(uname | tr '[:upper:]' '[:lower:]')
|
|
|
|
# default config
|
|
# TODO: override with /etc/default/shellpki
|
|
CONF_FILE="/etc/shellpki/openssl.cnf"
|
|
|
|
if [ "$(uname)" = "OpenBSD" ]; then
|
|
PKI_USER="_shellpki"
|
|
else
|
|
PKI_USER="shellpki"
|
|
fi
|
|
|
|
if [ "${USER}" != "root" ] && [ "${USER}" != "${PKI_USER}" ]; then
|
|
error "Please become root before running ${0} !"
|
|
fi
|
|
|
|
# retrieve CA path from config file
|
|
CA_DIR=$(grep -E "^dir" "${CONF_FILE}" | cut -d'=' -f2 | xargs -n1)
|
|
CA_KEY=$(grep -E "^private_key" "${CONF_FILE}" | cut -d'=' -f2 | xargs -n1 | sed "s~\$dir~${CA_DIR}~")
|
|
CA_CERT=$(grep -E "^certificate" "${CONF_FILE}" | cut -d'=' -f2 | xargs -n1 | sed "s~\$dir~${CA_DIR}~")
|
|
OCSP_KEY="${CA_DIR}/ocsp.key"
|
|
OCSP_CERT="${CA_DIR}/ocsp.pem"
|
|
CRT_DIR=$(grep -E "^certs" "${CONF_FILE}" | cut -d'=' -f2 | xargs -n1 | sed "s~\$dir~${CA_DIR}~")
|
|
TMP_DIR=$(grep -E "^new_certs_dir" "${CONF_FILE}" | cut -d'=' -f2 | xargs -n1 | sed "s~\$dir~${CA_DIR}~")
|
|
INDEX_FILE=$(grep -E "^database" "${CONF_FILE}" | cut -d'=' -f2 | xargs -n1 | sed "s~\$dir~${CA_DIR}~")
|
|
SERIAL=$(grep -E "^serial" "${CONF_FILE}" | cut -d'=' -f2 | xargs -n1 | sed "s~\$dir~${CA_DIR}~")
|
|
CRL=$(grep -E "^crl" "${CONF_FILE}" | cut -d'=' -f2 | xargs -n1 | sed "s~\$dir~${CA_DIR}~")
|
|
|
|
# directories for clients key, csr, crt
|
|
KEY_DIR="${CA_DIR}/private"
|
|
CSR_DIR="${CA_DIR}/requests"
|
|
PKCS12_DIR="${CA_DIR}/pkcs12"
|
|
OVPN_DIR="${CA_DIR}/openvpn"
|
|
|
|
COPY_DIR="$(dirname "${CONF_FILE}")/copy_output"
|
|
|
|
CA_KEY_LENGTH=4096
|
|
if [ "${CA_KEY_LENGTH}" -lt 4096 ]; then
|
|
error "CA key must be at least 4096 bits long."
|
|
fi
|
|
KEY_LENGTH=2048
|
|
if [ "${KEY_LENGTH}" -lt 2048 ]; then
|
|
error "User key must be at least 2048 bits long."
|
|
fi
|
|
|
|
OPENSSL_BIN=$(command -v openssl)
|
|
SUFFIX=$(TZ=:Zulu /bin/date +"%Y%m%d%H%M%SZ")
|
|
|
|
if ! is_user "${PKI_USER}" || ! is_group "${PKI_USER}"; then
|
|
error "You must create ${PKI_USER} user and group !"
|
|
fi
|
|
|
|
if [ ! -e "${CONF_FILE}" ]; then
|
|
error "${CONF_FILE} is missing"
|
|
fi
|
|
|
|
mkdir -p "${CA_DIR}" "${CRT_DIR}" "${KEY_DIR}" "${CSR_DIR}" "${PKCS12_DIR}" "${OVPN_DIR}" "${TMP_DIR}"
|
|
|
|
command=${1:-help}
|
|
|
|
case "${command}" in
|
|
init)
|
|
shift
|
|
init "$@"
|
|
;;
|
|
|
|
ocsp)
|
|
shift
|
|
ocsp "$@"
|
|
;;
|
|
|
|
create)
|
|
shift
|
|
create "$@"
|
|
;;
|
|
|
|
revoke)
|
|
shift
|
|
revoke "$@"
|
|
;;
|
|
|
|
list)
|
|
shift
|
|
list "$@"
|
|
;;
|
|
|
|
check)
|
|
shift
|
|
check "$@"
|
|
;;
|
|
|
|
version|--version)
|
|
show_version
|
|
exit 0
|
|
;;
|
|
|
|
help|--help)
|
|
show_usage
|
|
exit 0
|
|
;;
|
|
|
|
*)
|
|
show_usage >&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
# fix right
|
|
chown -R "${PKI_USER}":"${PKI_USER}" "${CA_DIR}"
|
|
chmod 750 "${CRT_DIR}" "${KEY_DIR}" "${CSR_DIR}" "${PKCS12_DIR}" "${OVPN_DIR}" "${TMP_DIR}"
|
|
chmod 600 "${INDEX_FILE}"* "${SERIAL}"* "${CA_KEY}"
|
|
chmod 640 "${CA_CERT}"
|
|
chmod 604 "${CRL}"
|
|
chmod 751 "${CA_DIR}"
|
|
}
|
|
|
|
main "$@"
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