~poptart/hosaka-pki

ref: d9b43ad4c3f19938d5ca98e8ee768545e5ac6e04 hosaka-pki/hosaka-pki.sh -rw-r--r-- 6.6 KiB
d9b43ad4 — terrorbyte add more core functions and start cleaning up the structure 2 years ago
                                                                                
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#!/bin/sh -e
export CONFIGDIR=""
export SSL_CA_DIR=""
export SSH_CA_DIR=""
export DAYSVALID=""
export CADAYSVALID=""
export MDALGORITHM=""
export USEINTERMEDIATE=""
export WARNROOTCERT=""
export COUNTRYDEFAULT=""
export STATEDEFAULT=""
export LOCALITYDEFAULT=""
export ORGNAMEDEFAULT=""
export ORGUNITDEFAULT=""
export USERCERTCOMMENT=""
export SRVCERTCOMMENT=""
export SSLSERIALDEFAULT=""
export SSHSERIALDEFAULT=""

readconf() {
	while IFS='=' read -r key val; do
    		[ "${key##\#*}" ] || continue
    		export "$key=$val" 2>/dev/null ||
    		     printf '%s is not a valid variable\n' "$key"
	done < "$CONFIGDIR/config"
}

checkvars() {
	[ -z "$CONFIGDIR" ] && printf "Arguments cannot be empty: %s\\n" "$CONFIGDIR" 1>&2 && exit 1
	[ -z "$SSL_CA_DIR" ] && printf "Arguments cannot be empty: %s\\n" "$SSL_CA_DIR" 1>&2 && exit 1
	[ -z "$SSH_CA_DIR" ] && printf "Arguments cannot be empty: %s\\n" "$SSH_CA_DIR" 1>&2 && exit 1
	[ -z "$DAYSVALID" ] && printf "Arguments cannot be empty: %s\\n" "$DAYSVALID" 1>&2 && exit 1
	[ -z "$CADAYSVALID" ] && printf "Arguments cannot be empty: %s\\n" "$CADAYSVALID" 1>&2 && exit 1
	[ -z "$MDALGORITHM" ] && printf "Arguments cannot be empty: %s\\n" "$MDALGORITHM" 1>&2 && exit 1
	[ -z "$USEINTERMEDIATE" ] && printf "Arguments cannot be empty: %s\\n" "$USEINTERMEDIATE" 1>&2 && exit 1
	[ -z "$WARNROOTCERT" ] && printf "Arguments cannot be empty: %s\\n" "$WARNROOTCERT" 1>&2 && exit 1
	[ -z "$COUNTRYDEFAULT" ] && printf "Arguments cannot be empty: %s\\n" "$COUNTRYDEFAULT" 1>&2 && exit 1
	[ -z "$STATEDEFAULT" ] && printf "Arguments cannot be empty: %s\\n" "$STATEDEFAULT" 1>&2 && exit 1
	[ -z "$LOCALITYDEFAULT" ] && printf "Arguments cannot be empty: %s\\n" "$LOCALITYDEFAULT" 1>&2 && exit 1
	[ -z "$ORGNAMEDEFAULT" ] && printf "Arguments cannot be empty: %s\\n" "$ORGNAMEDEFAULT" 1>&2 && exit 1
	[ -z "$ORGUNITDEFAULT" ] && printf "Arguments cannot be empty: %s\\n" "$ORGUNITDEFAULT" 1>&2 && exit 1
	[ -z "$USERCERTCOMMENT" ] && printf "Arguments cannot be empty: %s\\n" "$USERCERTCOMMENT" 1>&2 && exit 1
	[ -z "$SRVCERTCOMMENT" ] && printf "Arguments cannot be empty: %s\\n" "$SRVCERTCOMMENT" 1>&2 && exit 1
	[ -z "$SSLSERIALDEFAULT" ] && printf "Arguments cannot be empty: %s\\n" "$SSLSERIALDEFAULT" 1>&2 && exit 1
	[ -z "$SSHSERIALDEFAULT" ] && printf "Arguments cannot be empty: %s\\n" "$SSHSERIALDEFAULT" 1>&2 && exit 1
}

getconf() {
	#The "compilation" step used for hosaka-pki just uses templates and
	#this will work even if the template injection works or not.
	CONFIGDIR="{{CONFIGDIR}}"
	case $CONFIGDIR in
		""|"{{CONFIGDIR}}")
			CONFIGDIR="/etc/hosaka/pki"
			;;
		*)
			CONFIGDIR="${CONFIGDIR}"
			;;
	esac
	[ -f "${CONFIGDIR}/config" ] && readconf "${CONFIGDIR}/config"
}

sslgenconf() {
	#Generate conf for the CA and if an intermediate is in use, generate
	#for that as well
	sed -e "s%{{SSLDIR}}%${SSL_CA_DIR}%g" \
		-e "s%{{MDALGORITHM}}%${MDALGORITHM}%g" \
		-e "s%{{DAYSVALID}}%${DAYSVALID}%g" \
		-e "s%{{CADAYSVALID}}%${CADAYSVALID}%g" \
		-e "s%{{COUNTRYDEFAULT}}%${COUNTRYDEFAULT}%g" \
		-e "s%{{STATEDEFAULT}}%${STATEDEFAULT}%g" \
		-e "s%{{LOCALITYDEFAULT}}%${LOCALITYDEFAULT}%g" \
		-e "s%{{ORGNAMEDEFAULT}}%${ORGNAMEDEFAULT}%g" \
		-e "s%{{ORGUNITDEFAULT}}%${ORGUNITDEFAULT}%g" \
		-e "s%{{USERCERTCOMMENT}}%${USERCERTCOMMENT}%g" \
		-e "s%{{SERVERCERTCOMMENT}}%${SERVERCERTCOMMENT}%g" \
		-e "s%{{SSLSERIALDEFAULT}}%${SSLSERIALDEFAULT}%g" \
		< "$CONFIGDIR/util/openssl.cnf.tmpl" > "$SSL_CA_DIR/openssl.cnf"
	ssluseintermediate && sed -e "s%{{SSLDIR}}%${SSL_CA_DIR}/intermediate%g" \
		-e "s%{{MDALGORITHM}}%${MDALGORITHM}%g" \
		-e "s%{{DAYSVALID}}%${DAYSVALID}%g" \
		-e "s%{{CADAYSVALID}}%${CADAYSVALID}%g" \
		-e "s%{{COUNTRYDEFAULT}}%${COUNTRYDEFAULT}%g" \
		-e "s%{{STATEDEFAULT}}%${STATEDEFAULT}%g" \
		-e "s%{{LOCALITYDEFAULT}}%${LOCALITYDEFAULT}%g" \
		-e "s%{{ORGNAMEDEFAULT}}%${ORGNAMEDEFAULT}%g" \
		-e "s%{{ORGUNITDEFAULT}}%${ORGUNITDEFAULT}%g" \
		-e "s%{{USERCERTCOMMENT}}%${USERCERTCOMMENT}%g" \
		-e "s%{{SERVERCERTCOMMENT}}%${SERVERCERTCOMMENT}%g" \
		-e "s%{{SSLSERIALDEFAULT}}%${SSLSERIALDEFAULT}%g" \
		< "$CONFIGDIR/util/openssl.cnf.tmpl" > "$SSL_CA_DIR/openssl_intermediate.cnf"
}

sslgenca() {
	#TODO automation support
	sslcreatedirs
	_UMASK="$(umask)"
	umask 077
	#TODO check if files exist
	#TODO check if ca on disk and if not exit
	printf "generating ca\\n"
	#TODO support automation ie, symm keys stored on disk
	openssl ecparam -genkey -name secp521r1 | openssl ec -aes-256-cbc \
		-out "${SSL_CA_DIR}/private/ca.key.pem"
	openssl ca -config "${SSL_CA_DIR}/openssl.cnf" \
		-extensions v3_ca -days "$CADAYSVALID" -notext \
		-md "$MDALGORITHM" \
		-in "${SSL_CA_DIR}/csr/intermediate.csr.pem" \
		-out "${SSL_CA_DIR}/certs/intermediate.cert.pem"
	umask "${_UMASK}"
}

ssluseintermediate() {
	case "$USEINTERMEDIATE" in
		y*|Y*)
			return 0
		;;
		*)
			return 1
		;;
	esac
	return 1
}

sslcreatedirs() {
	mkdir -p "${SSL_CA_DIR}/intermediate" \
		"${SSL_CA_DIR}/certs" \
		"${SSL_CA_DIR}/crl" \
		"${SSL_CA_DIR}/csr" \
		"${SSL_CA_DIR}/private" \
		"${SSL_CA_DIR}/new" && \
	chmod 700 "${SSL_CA_DIR}/private"
	ssluseintermediate && \
		mkdir -p "${SSL_CA_DIR}/intermediate" \
			"${SSL_CA_DIR}/intermediate/certs" \
			"${SSL_CA_DIR}/intermediate/crl" \
			"${SSL_CA_DIR}/intermediate/csr" \
			"${SSL_CA_DIR}/intermediate/private" \
			"${SSL_CA_DIR}/intermediate/new" && \
		chmod 700 "${SSL_CA_DIR}/intermediate/private"
}

sslgenintermediate() {
	_UMASK="$(umask)"
	umask 077
	#TODO check if files exist
	#TODO check if ca on disk and if not exit
	printf "generating intermediate ca\\n"
	#TODO support automation ie, symm keys stored on disk
	openssl ecparam -genkey -name secp521r1 | openssl ec -aes-256-cbc \
		-out "${SSL_CA_DIR}/intermediate/private/intermediate.key.pem"
	printf "generating intermediate csr\\n"
	openssl req -config "${SSL_CA_DIR}/openssl.cnf" -new -sha512 \
		-key "${SSL_CA_DIR}/intermediate/private/intermediate.key.pem" \
		-out "${SSL_CA_DIR}/intermediate/csr/intermediate.csr.pem"
	printf "signing intermediate ca\\nenter ca cert password\\n"
	openssl ca -config "${SSL_CA_DIR}/openssl.cnf" \
		-extensions v3_intermediate_ca -days "$CADAYSVALID" -notext \
		-md "$MDALGORITHM" \
		-in "${SSL_CA_DIR}/intermediate/csr/intermediate.csr.pem" \
		-out "${SSL_CA_DIR}/intermediate/certs/intermediate.cert.pem"
	umask "${_UMASK}"
}

sslcheckcaondisk() {
	[ -f "$SSL_CA_DIR/private/ca.key.pem" ] && printf "CA file is on disk. This is not a secure configuration and the root CA should not be stored with the intermediate and should only be used to generate new intermediates.\\n" 1>&2
}

getconf
sslcheckcaondisk
sslcreatedirs
sslgenconf
#
#sslsignserver() {
#
#}
#
#sslsignclient() {
#
#}
#sslcheckexpir() {
#
#}