SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
BASEDIR="${SCRIPTDIR}"
+# Check for script dependencies
check_dependencies() {
curl -V > /dev/null 2>&1 || _exiterr "This script requires curl."
- openssl version > /dev/null 2>&1 || _exiterr "This script requres an openssl binary."
- sed "" < /dev/null > /dev/null 2>&1 || _exiterr "This script requres sed."
- grep -V > /dev/null 2>&1 || _exiterr "This script requres grep."
+ openssl version > /dev/null 2>&1 || _exiterr "This script requires an openssl binary."
+ sed -E "" < /dev/null > /dev/null 2>&1 || _exiterr "This script requires sed with support for extended (modern) regular expressions."
+ grep -V > /dev/null 2>&1 || _exiterr "This script requires grep."
+ mktemp -u -t XXXXXX > /dev/null 2>&1 || _exiterr "This script requires mktemp."
}
# Setup default config values, search for and load configuration files
load_config() {
+ # Check for config in various locations
+ if [[ -z "${CONFIG:-}" ]]; then
+ for check_config in "/etc/letsencrypt.sh" "/usr/local/etc/letsencrypt.sh" "${PWD}" "${SCRIPTDIR}"; do
+ if [[ -e "${check_config}/config.sh" ]]; then
+ BASEDIR="${check_config}"
+ CONFIG="${check_config}/config.sh"
+ break
+ fi
+ done
+ fi
+
# Default values
CA="https://acme-v01.api.letsencrypt.org/directory"
LICENSE="https://letsencrypt.org/documents/LE-SA-v1.0.1-July-27-2015.pdf"
+ CHALLENGETYPE="http-01"
HOOK=
- RENEW_DAYS="14"
+ RENEW_DAYS="30"
PRIVATE_KEY="${BASEDIR}/private_key.pem"
KEYSIZE="4096"
WELLKNOWN="${BASEDIR}/.acme-challenges"
CONTACT_EMAIL=
LOCKFILE="${BASEDIR}/lock"
- # Check for config in various locations
- if [[ -z "${CONFIG:-}" ]]; then
- for check_config in "/etc/letsencrypt.sh" "/usr/local/etc/letsencrypt.sh" "${PWD}" "${SCRIPTDIR}"; do
- if [[ -e "${check_config}/config.sh" ]]; then
- BASEDIR="${check_config}"
- CONFIG="${check_config}/config.sh"
- break
- fi
- done
- fi
-
if [[ -z "${CONFIG:-}" ]]; then
echo "#" >&2
echo "# !! WARNING !! No config file found, using default config!" >&2
# shellcheck disable=SC1090
. "${CONFIG}"
else
- echo "Specified config file doesn't exist." >&2
- exit 1
+ _exiterr "Specified config file doesn't exist."
fi
# Remove slash from end of BASEDIR. Mostly for cleaner outputs, doesn't change functionality.
BASEDIR="${BASEDIR%%/}"
# Check BASEDIR and set default variables
- if [[ ! -d "${BASEDIR}" ]]; then
- echo "BASEDIR does not exist: ${BASEDIR}" >&2
- exit 1
+ [[ -d "${BASEDIR}" ]] || _exiterr "BASEDIR does not exist: ${BASEDIR}"
+
+ [[ -n "${PARAM_HOOK:-}" ]] && HOOK="${PARAM_HOOK}"
+ [[ -n "${PARAM_CHALLENGETYPE:-}" ]] && CHALLENGETYPE="${PARAM_CHALLENGETYPE}"
+
+ [[ "${CHALLENGETYPE}" =~ (http-01|dns-01) ]] || _exiterr "Unknown challenge type ${CHALLENGETYPE}... can not continue."
+ if [[ "${CHALLENGETYPE}" = "dns-01" ]] && [[ -z "${HOOK}" ]]; then
+ _exiterr "Challenge type dns-01 needs a hook script for deployment... can not continue."
fi
}
+# Initialize system
init_system() {
load_config
- if [[ "${COMMAND}" = "env" ]]; then
- return
- fi
-
# Lockfile handling (prevents concurrent access)
- set -o noclobber
- if ! { date > "${LOCKFILE}"; } 2>/dev/null; then
- echo " + ERROR: Lock file '${LOCKFILE}' present, aborting." >&2
- LOCKFILE="" # so remove_lock doesn't remove it
- exit 1
- fi
- set +o noclobber
-
- remove_lock() {
- if [[ -n "${LOCKFILE}" ]]; then
- rm -f "${LOCKFILE}"
- fi
- }
+ LOCKDIR="$(dirname "${LOCKFILE}")"
+ [[ -w "${LOCKDIR}" ]] || _exiterr "Directory ${LOCKDIR} for LOCKFILE ${LOCKFILE} is not writable, aborting."
+ ( set -C; date > "${LOCKFILE}" ) 2>/dev/null || _exiterr "Lock file '${LOCKFILE}' present, aborting."
+ remove_lock() { rm -f "${LOCKFILE}"; }
trap 'remove_lock' EXIT
- # Export some environment variables to be used in hook script
- export WELLKNOWN
- export BASEDIR
- export CONFIG
-
# Get CA URLs
CA_DIRECTORY="$(http_request get "${CA}")"
CA_NEW_CERT="$(printf "%s" "${CA_DIRECTORY}" | get_json_string_value new-cert)" &&
CA_NEW_REG="$(printf "%s" "${CA_DIRECTORY}" | get_json_string_value new-reg)" &&
# shellcheck disable=SC2015
CA_REVOKE_CERT="$(printf "%s" "${CA_DIRECTORY}" | get_json_string_value revoke-cert)" ||
- (echo "Error retrieving ACME/CA-URLs, check if your configured CA points to the directory entrypoint." >&2; exit 1)
+ _exiterr "Problem retrieving ACME/CA-URLs, check if your configured CA points to the directory entrypoint."
+ # Export some environment variables to be used in hook script
+ export WELLKNOWN BASEDIR CONFIG
- # check private key ...
- register="0"
+ # Checking for private key ...
+ register_new_key="no"
if [[ -n "${PARAM_PRIVATE_KEY:-}" ]]; then
# a private key was specified from the command line so use it for this run
echo "Using private key ${PARAM_PRIVATE_KEY} instead of account key"
PRIVATE_KEY="${PARAM_PRIVATE_KEY}"
- if ! openssl rsa -in "${PRIVATE_KEY}" -check 2>/dev/null > /dev/null; then
- echo " + ERROR: private key is not valid, can not continue" >&2
- exit 1
- fi
else
# Check if private account key exists, if it doesn't exist yet generate a new one (rsa key)
if [[ ! -e "${PRIVATE_KEY}" ]]; then
echo "+ Generating account key..."
_openssl genrsa -out "${PRIVATE_KEY}" "${KEYSIZE}"
- register="1"
+ register_new_key="yes"
fi
fi
+ openssl rsa -in "${PRIVATE_KEY}" -check 2>/dev/null > /dev/null || _exiterr "Private key is not valid, can not continue."
# Get public components from private key and calculate thumbprint
pubExponent64="$(openssl rsa -in "${PRIVATE_KEY}" -noout -text | grep publicExponent | grep -oE "0x[a-f0-9]+" | cut -d'x' -f2 | hex2bin | urlbase64)"
thumbprint="$(printf '{"e":"%s","kty":"RSA","n":"%s"}' "${pubExponent64}" "${pubMod64}" | openssl sha -sha256 -binary | urlbase64)"
# If we generated a new private key in the step above we have to register it with the acme-server
- if [[ "${register}" = "1" ]]; then
+ if [[ "${register_new_key}" = "yes" ]]; then
echo "+ Registering account key with letsencrypt..."
- if [ -z "${CA_NEW_REG}" ]; then
- echo " + ERROR: Certificate authority doesn't allow registrations." >&2
- exit 1
- fi
- # if an email for the contact has been provided then adding it to the registration request
+ [[ ! -z "${CA_NEW_REG}" ]] || _exiterr "Certificate authority doesn't allow registrations."
+ # If an email for the contact has been provided then adding it to the registration request
if [[ -n "${CONTACT_EMAIL}" ]]; then
signed_request "${CA_NEW_REG}" '{"resource": "new-reg", "contact":["mailto:'"${CONTACT_EMAIL}"'"], "agreement": "'"$LICENSE"'"}' > /dev/null
else
fi
fi
- if [[ -e "${BASEDIR}/domains.txt" ]]; then
- DOMAINS_TXT="${BASEDIR}/domains.txt"
- else
- echo " + ERROR: domains.txt not found" >&2
- exit 1
- fi
-
- if [[ ! -e "${WELLKNOWN}" ]]; then
- echo " + ERROR: WELLKNOWN directory doesn't exist, please create ${WELLKNOWN} and set appropriate permissions." >&2
- exit 1
+ if [[ "${CHALLENGETYPE}" = "http-01" && ! -d "${WELLKNOWN}" ]]; then
+ _exiterr "WELLKNOWN directory doesn't exist, please create ${WELLKNOWN} and set appropriate permissions."
fi
}
exit 1
}
-anti_newline() {
- tr -d '\n\r'
-}
-
+# Encode data as url-safe formatted base64
urlbase64() {
# urlbase64: base64 encoded string with '+' replaced with '-' and '/' replaced with '_'
- openssl base64 -e | anti_newline | sed 's/=*$//g' | tr '+/' '-_'
+ openssl base64 -e | tr -d '\n\r' | sed -e 's:=*$::g' -e 'y:+/:-_:'
}
# Convert hex string to binary data
printf -- "$(cat | sed -E -e 's/[[:space:]]//g' -e 's/^(.(.{2})*)$/0\1/' -e 's/(.{2})/\\x\1/g')"
}
+# Get string value from json dictionary
get_json_string_value() {
grep -Eo '"'"${1}"'":[[:space:]]*"[^"]*"' | cut -d'"' -f4
}
-get_json_array() {
- grep -Eo '"'"${1}"'":[^\[]*\[[^]]*]'
+# OpenSSL writes to stderr/stdout even when there are no errors. So just
+# display the output if the exit code was != 0 to simplify debugging.
+_openssl() {
+ set +e
+ out="$(openssl "${@}" 2>&1)"
+ res=$?
+ set -e
+ if [[ $res -ne 0 ]]; then
+ echo " + ERROR: failed to run $* (Exitcode: $res)" >&2
+ echo >&2
+ echo "Details:" >&2
+ echo "$out" >&2
+ exit $res
+ fi
}
+# Send http(s) request with specified method
http_request() {
- tempcont="$(mktemp)"
+ tempcont="$(mktemp -t XXXXXX)"
if [[ "${1}" = "head" ]]; then
statuscode="$(curl -s -w "%{http_code}" -o "${tempcont}" "${2}" -I)"
statuscode="$(curl -s -w "%{http_code}" -o "${tempcont}" "${2}")"
elif [[ "${1}" = "post" ]]; then
statuscode="$(curl -s -w "%{http_code}" -o "${tempcont}" "${2}" -d "${3}")"
+ else
+ _exiterr "Unknown request method: ${1}"
fi
if [[ ! "${statuscode:0:1}" = "2" ]]; then
rm -f "${tempcont}"
# Wait for hook script to clean the challenge if used
- if [[ -n "${HOOK}" ]] && [[ -n "${challenge_token:+set}" ]]; then
+ if [[ -n "${HOOK}" ]] && [[ -n "${challenge_token:+set}" ]]; then
${HOOK} "clean_challenge" '' "${challenge_token}" "${keyauth}"
fi
# remove temporary domains.txt file if used
- if [[ -n "${PARAM_DOMAIN:-}" ]]; then
- rm "${DOMAINS_TXT}"
- fi
-
+ [[ -n "${PARAM_DOMAIN:-}" ]] && rm "${DOMAINS_TXT}"
exit 1
fi
rm -f "${tempcont}"
}
-# OpenSSL writes to stderr/stdout even when there are no errors. So just
-# display the output if the exit code was != 0 to simplify debugging.
-_openssl() {
- set +e
- out="$(openssl "${@}" 2>&1)"
- res=$?
- set -e
- if [[ $res -ne 0 ]]; then
- echo " + ERROR: failed to run $* (Exitcode: $res)" >&2
- echo >&2
- echo "Details:" >&2
- echo "$out" >&2
- exit $res
- fi
-}
-
+# Send signed request
signed_request() {
# Encode payload as urlbase64
payload64="$(printf '%s' "${2}" | urlbase64)"
# Retrieve nonce from acme-server
- nonce="$(http_request head "${CA}" | grep Replay-Nonce: | awk -F ': ' '{print $2}' | anti_newline)"
+ nonce="$(http_request head "${CA}" | grep Replay-Nonce: | awk -F ': ' '{print $2}' | tr -d '\n\r')"
# Build header with just our public key and algorithm information
header='{"alg": "RS256", "jwk": {"e": "'"${pubExponent64}"'", "kty": "RSA", "n": "'"${pubMod64}"'"}}'
http_request post "${1}" "${data}"
}
+# Create certificate for domain(s)
sign_domain() {
domain="${1}"
altnames="${*}"
+ timestamp="$(date +%s)"
echo " + Signing domains..."
if [[ -z "${CA_NEW_AUTHZ}" ]] || [[ -z "${CA_NEW_CERT}" ]]; then
- echo " + ERROR: Certificate authority doesn't allow certificate signing" >&2
- exit 1
+ _exiterr "Certificate authority doesn't allow certificate signing"
fi
- timestamp="$(date +%s)"
# If there is no existing certificate directory => make it
if [[ ! -e "${BASEDIR}/certs/${domain}" ]]; then
- echo " + make directory ${BASEDIR}/certs/${domain} ..."
+ echo " + Creating new directory ${BASEDIR}/certs/${domain} ..."
mkdir -p "${BASEDIR}/certs/${domain}"
fi
fi
# Generate signing request config and the actual signing request
+ echo " + Generating signing request..."
SAN=""
- for altname in $altnames; do
+ for altname in ${altnames}; do
SAN+="DNS:${altname}, "
done
SAN="${SAN%%, }"
- echo " + Generating signing request..."
local tmp_openssl_cnf
- tmp_openssl_cnf="$(mktemp)"
+ tmp_openssl_cnf="$(mktemp -t XXXXXX)"
cat "${OPENSSL_CNF}" > "${tmp_openssl_cnf}"
printf "[SAN]\nsubjectAltName=%s" "${SAN}" >> "${tmp_openssl_cnf}"
openssl req -new -sha256 -key "${BASEDIR}/certs/${domain}/${privkey}" -out "${BASEDIR}/certs/${domain}/cert-${timestamp}.csr" -subj "/CN=${domain}/" -reqexts SAN -config "${tmp_openssl_cnf}"
rm -f "${tmp_openssl_cnf}"
# Request and respond to challenges
- for altname in $altnames; do
+ for altname in ${altnames}; do
# Ask the acme-server for new challenge token and extract them from the resulting json block
echo " + Requesting challenge for ${altname}..."
response="$(signed_request "${CA_NEW_AUTHZ}" '{"resource": "new-authz", "identifier": {"type": "dns", "value": "'"${altname}"'"}}')"
- challenges="$(printf '%s\n' "${response}" | get_json_array challenges)"
+ challenges="$(printf '%s\n' "${response}" | grep -Eo '"challenges":[^\[]*\[[^]]*]')"
repl=$'\n''{' # fix syntax highlighting in Vim
- challenge="$(printf "%s" "${challenges//\{/${repl}}" | grep 'http-01')"
+ challenge="$(printf "%s" "${challenges//\{/${repl}}" | grep \""${CHALLENGETYPE}"\")"
challenge_token="$(printf '%s' "${challenge}" | get_json_string_value token | sed 's/[^A-Za-z0-9_\-]/_/g')"
challenge_uri="$(printf '%s' "${challenge}" | get_json_string_value uri)"
if [[ -z "${challenge_token}" ]] || [[ -z "${challenge_uri}" ]]; then
- echo " + Error: Can't retrieve challenges (${response})" >&2
- exit 1
+ _exiterr "Can't retrieve challenges (${response})"
fi
# Challenge response consists of the challenge token and the thumbprint of our public certificate
keyauth="${challenge_token}.${thumbprint}"
- # Store challenge response in well-known location and make world-readable (so that a webserver can access it)
- printf '%s' "${keyauth}" > "${WELLKNOWN}/${challenge_token}"
- chmod a+r "${WELLKNOWN}/${challenge_token}"
+ case "${CHALLENGETYPE}" in
+ "http-01")
+ # Store challenge response in well-known location and make world-readable (so that a webserver can access it)
+ printf '%s' "${keyauth}" > "${WELLKNOWN}/${challenge_token}"
+ chmod a+r "${WELLKNOWN}/${challenge_token}"
+ keyauth_hook="${keyauth}"
+ ;;
+ "dns-01")
+ # Generate DNS entry content for dns-01 validation
+ keyauth_hook="$(printf '%s' "${keyauth}" | openssl sha -sha256 -binary | urlbase64)"
+ ;;
+ esac
# Wait for hook script to deploy the challenge if used
- if [[ -n "${HOOK}" ]]; then
- ${HOOK} "deploy_challenge" "${altname}" "${challenge_token}" "${keyauth}"
- fi
+ [[ -n "${HOOK}" ]] && ${HOOK} "deploy_challenge" "${altname}" "${challenge_token}" "${keyauth_hook}"
- # Ask the acme-server to verify our challenge and wait until it becomes valid
+ # Ask the acme-server to verify our challenge and wait until it is no longer pending
echo " + Responding to challenge for ${altname}..."
result="$(signed_request "${challenge_uri}" '{"resource": "challenge", "keyAuthorization": "'"${keyauth}"'"}')"
status="$(printf '%s\n' "${result}" | get_json_string_value status)"
- # get status until a result is reached => not pending anymore
while [[ "${status}" = "pending" ]]; do
sleep 1
status="$(http_request get "${challenge_uri}" | get_json_string_value status)"
done
- rm -f "${WELLKNOWN}/${challenge_token}"
+ [[ "${CHALLENGETYPE}" = "http-01" ]] && rm -f "${WELLKNOWN}/${challenge_token}"
# Wait for hook script to clean the challenge if used
if [[ -n "${HOOK}" ]] && [[ -n "${challenge_token}" ]]; then
- ${HOOK} "clean_challenge" "${altname}" "${challenge_token}" "${keyauth}"
+ ${HOOK} "clean_challenge" "${altname}" "${challenge_token}" "${keyauth_hook}"
fi
if [[ "${status}" = "valid" ]]; then
echo " + Challenge is valid!"
else
- echo " + Challenge is invalid! (returned: ${status})" >&2
- exit 1
+ _exiterr "Challenge is invalid! (returned: ${status})"
fi
-
done
# Finally request certificate from the acme-server and store it in cert-${timestamp}.pem and link from cert.pem
crt64="$(signed_request "${CA_NEW_CERT}" '{"resource": "new-cert", "csr": "'"${csr64}"'"}' | openssl base64 -e)"
crt_path="${BASEDIR}/certs/${domain}/cert-${timestamp}.pem"
printf -- '-----BEGIN CERTIFICATE-----\n%s\n-----END CERTIFICATE-----\n' "${crt64}" > "${crt_path}"
- # try to load the certificate to detect corruption
+
+ # Try to load the certificate to detect corruption
echo " + Checking certificate..."
_openssl x509 -text < "${crt_path}"
echo " + Creating fullchain.pem..."
cat "${crt_path}" > "${BASEDIR}/certs/${domain}/fullchain-${timestamp}.pem"
http_request get "$(openssl x509 -in "${BASEDIR}/certs/${domain}/cert-${timestamp}.pem" -noout -text | grep 'CA Issuers - URI:' | cut -d':' -f2-)" > "${BASEDIR}/certs/${domain}/chain-${timestamp}.pem"
- if ! grep "BEGIN CERTIFICATE" "${BASEDIR}/certs/${domain}/chain-${timestamp}.pem" > /dev/null 2>&1; then
+ if ! grep -q "BEGIN CERTIFICATE" "${BASEDIR}/certs/${domain}/chain-${timestamp}.pem"; then
openssl x509 -in "${BASEDIR}/certs/${domain}/chain-${timestamp}.pem" -inform DER -out "${BASEDIR}/certs/${domain}/chain-${timestamp}.pem" -outform PEM
fi
- ln -sf "chain-${timestamp}.pem" "${BASEDIR}/certs/${domain}/chain.pem"
cat "${BASEDIR}/certs/${domain}/chain-${timestamp}.pem" >> "${BASEDIR}/certs/${domain}/fullchain-${timestamp}.pem"
- ln -sf "fullchain-${timestamp}.pem" "${BASEDIR}/certs/${domain}/fullchain.pem"
- # Update remaining symlinks
- if [ ! "${privkey}" = "privkey.pem" ]; then
- ln -sf "privkey-${timestamp}.pem" "${BASEDIR}/certs/${domain}/privkey.pem"
- fi
+ # Update symlinks
+ [[ "${privkey}" = "privkey.pem" ]] || ln -sf "privkey-${timestamp}.pem" "${BASEDIR}/certs/${domain}/privkey.pem"
+ ln -sf "chain-${timestamp}.pem" "${BASEDIR}/certs/${domain}/chain.pem"
+ ln -sf "fullchain-${timestamp}.pem" "${BASEDIR}/certs/${domain}/fullchain.pem"
ln -sf "cert-${timestamp}.csr" "${BASEDIR}/certs/${domain}/cert.csr"
ln -sf "cert-${timestamp}.pem" "${BASEDIR}/certs/${domain}/cert.pem"
# Wait for hook script to clean the challenge and to deploy cert if used
- if [[ -n "${HOOK}" ]]; then
- ${HOOK} "deploy_cert" "${domain}" "${BASEDIR}/certs/${domain}/privkey.pem" "${BASEDIR}/certs/${domain}/cert.pem" "${BASEDIR}/certs/${domain}/fullchain.pem"
- fi
+ [[ -n "${HOOK}" ]] && ${HOOK} "deploy_cert" "${domain}" "${BASEDIR}/certs/${domain}/privkey.pem" "${BASEDIR}/certs/${domain}/cert.pem" "${BASEDIR}/certs/${domain}/fullchain.pem"
unset challenge_token
echo " + Done!"
}
-
# Usage: --cron (-c)
# Description: Sign/renew non-existant/changed/expiring certificates.
command_sign_domains() {
init_system
if [[ -n "${PARAM_DOMAIN:-}" ]]; then
- # we are using a temporary domains.txt file so we don't need to duplicate any code
- DOMAINS_TXT="$(mktemp)"
- echo "${PARAM_DOMAIN}" > "${DOMAINS_TXT}"
+ DOMAINS_TXT="$(mktemp -t XXXXXX)"
+ printf -- "${PARAM_DOMAIN}" > "${DOMAINS_TXT}"
+ elif [[ -e "${BASEDIR}/domains.txt" ]]; then
+ DOMAINS_TXT="${BASEDIR}/domains.txt"
+ else
+ _exiterr "domains.txt not found and --domain not given"
fi
+
# Generate certificates for all domains found in domains.txt. Check if existing certificate are about to expire
- <"${DOMAINS_TXT}" sed 's/^[[:space:]]*//g;s/[[:space:]]*$//g' | grep -vE '^(#|$)' | while read -r line; do
+ <"${DOMAINS_TXT}" sed -E -e 's/^[[:space:]]*//g' -e 's/[[:space:]]*$//g' -e 's/[[:space:]]+/ /g' | (grep -vE '^(#|$)' || true) | while read -r line; do
domain="$(printf '%s\n' "${line}" | cut -d' ' -f1)"
morenames="$(printf '%s\n' "${line}" | cut -s -d' ' -f2-)"
cert="${BASEDIR}/certs/${domain}/cert.pem"
if [[ -z "${morenames}" ]];then
echo "Processing ${domain}"
else
- echo "Processing ${domain} with SAN: ${morenames}"
+ echo "Processing ${domain} with alternative names: ${morenames}"
fi
if [[ -e "${cert}" ]]; then
- echo -n " + Checking domain name(s) of existing cert..."
+ printf " + Checking domain name(s) of existing cert..."
certnames="$(openssl x509 -in "${cert}" -text -noout | grep DNS: | sed 's/DNS://g' | tr -d ' ' | tr ',' '\n' | sort -u | tr '\n' ' ' | sed 's/ $//')"
givennames="$(echo "${domain}" "${morenames}"| tr ' ' '\n' | sort -u | tr '\n' ' ' | sed 's/ $//' | sed 's/^ //')"
if [[ -e "${cert}" ]]; then
echo " + Checking expire date of existing cert..."
-
valid="$(openssl x509 -enddate -noout -in "${cert}" | cut -d= -f2- )"
- echo -n " + Valid till ${valid} "
+ printf " + Valid till %s " "${valid}"
if openssl x509 -checkend $((RENEW_DAYS * 86400)) -noout -in "${cert}"; then
- echo -n "(Longer than ${RENEW_DAYS} days). "
+ printf "(Longer than %d days). " "${RENEW_DAYS}"
if [[ "${force_renew}" = "yes" ]]; then
echo "Ignoring because renew was forced!"
else
fi
# shellcheck disable=SC2086
- sign_domain $line
- done || true
+ sign_domain ${line}
+ done
# remove temporary domains.txt file if used
- if [[ -n "${PARAM_DOMAIN:-}" ]]; then
- rm -f "${DOMAINS_TXT}"
- fi
+ [[ -n "${PARAM_DOMAIN:-}" ]] && rm -f "${DOMAINS_TXT}"
+
+ exit 0
}
# Usage: --revoke (-r) path/to/cert.pem
command_revoke() {
init_system
+ [[ -n "${CA_REVOKE_CERT}" ]] || _exiterr "Certificate authority doesn't allow certificate revocation."
+
cert="${1}"
if [[ -L "${cert}" ]]; then
# follow symlink and use real certificate name (so we move the real file and not the symlink at the end)
cert="$(dirname "${cert}")/${link_target}"
fi
fi
- if [[ ! -f "${cert}" ]]; then
- echo "ERROR: Could not find certificate ${cert}"
- exit 1
- fi
+ [[ -f "${cert}" ]] || _exiterr "Could not find certificate ${cert}"
+
echo "Revoking ${cert}"
- if [[ -z "${CA_REVOKE_CERT}" ]]; then
- echo " + ERROR: Certificate authority doesn't allow certificate revocation." >&2
- exit 1
- fi
+
cert64="$(openssl x509 -in "${cert}" -inform PEM -outform DER | urlbase64)"
response="$(signed_request "${CA_REVOKE_CERT}" '{"resource": "revoke-cert", "certificate": "'"${cert64}"'"}')"
- # if there is a problem with our revoke request http_request (via signed_request) will report this and "exit 1" out
+ # if there is a problem with our revoke request _request (via signed_request) will report this and "exit 1" out
# so if we are here, it is safe to assume the request was successful
- echo " + SUCCESS"
- echo " + renaming certificate to ${cert}-revoked"
+ echo " + Done."
+ echo " + Renaming certificate to ${cert}-revoked"
mv -f "${cert}" "${cert}-revoked"
}
# Usage: --help (-h)
# Description: Show help text
command_help() {
- echo "Usage: ${0} [-h] [command [argument]] [parameter [argument]] [parameter [argument]] ..."
- echo
- echo "Default command: help"
- echo
- (
+ printf "Usage: %s [-h] [command [argument]] [parameter [argument]] [parameter [argument]] ...\n\n" "${0}"
+ printf "Default command: help\n\n"
echo "Commands:"
grep -e '^[[:space:]]*# Usage:' -e '^[[:space:]]*# Description:' -e '^command_.*()[[:space:]]*{' "${0}" | while read -r usage; read -r description; read -r command; do
if [[ ! "${usage}" =~ Usage ]] || [[ ! "${description}" =~ Description ]] || [[ ! "${command}" =~ ^command_ ]]; then
- echo "Error generating help text." >&2
- exit 1
+ _exiterr "Error generating help text."
fi
- printf " %s\t%s\n" "${usage##"# Usage: "}" "${description##"# Description: "}"
+ printf " %-32s %s\n" "${usage##"# Usage: "}" "${description##"# Description: "}"
done
- echo "---"
- echo "Parameters:"
+ printf -- "\nParameters:\n"
grep -E -e '^[[:space:]]*# PARAM_Usage:' -e '^[[:space:]]*# PARAM_Description:' "${0}" | while read -r usage; read -r description; do
if [[ ! "${usage}" =~ Usage ]] || [[ ! "${description}" =~ Description ]]; then
- echo "Error generating help text." >&2
- exit 1
+ _exiterr "Error generating help text."
fi
- printf " %s\t%s\n" "${usage##"# PARAM_Usage: "}" "${description##"# PARAM_Description: "}"
+ printf " %-32s %s\n" "${usage##"# PARAM_Usage: "}" "${description##"# PARAM_Description: "}"
done
- ) | column -t -s $'\t' | sed 's/^---$//g'
}
# Usage: --env (-e)
command_env() {
echo "# letsencrypt.sh configuration"
load_config
- typeset -p CA LICENSE HOOK RENEW_DAYS PRIVATE_KEY KEYSIZE WELLKNOWN PRIVATE_KEY_RENEW OPENSSL_CNF CONTACT_EMAIL LOCKFILE
+ typeset -p CA LICENSE CHALLENGETYPE HOOK RENEW_DAYS PRIVATE_KEY KEYSIZE WELLKNOWN PRIVATE_KEY_RENEW OPENSSL_CNF CONTACT_EMAIL LOCKFILE
}
+# Main method (parses script arguments and calls command_* methods)
main() {
COMMAND=""
set_command() {
fi
}
+ [[ -z "${@}" ]] && eval set -- "--help"
+
while (( "${#}" )); do
case "${1}" in
--help|-h)
CONFIG="${1}"
;;
+ # PARAM_Usage: --hook (-k) path/to/hook.sh
+ # PARAM_Description: Use specified script for hooks
+ --hook|-k)
+ shift 1
+ check_parameters "${1:-}"
+ PARAM_HOOK="${1}"
+ ;;
+
+ # PARAM_Usage: --challenge (-t) http-01|dns-01
+ # PARAM_Description: Which challenge should be used? Currently http-01 and dns-01 are supported
+ --challenge|-t)
+ shift 1
+ check_parameters "${1:-}"
+ PARAM_CHALLENGETYPE="${1}"
+ ;;
+
*)
echo "Unknown parameter detected: ${1}" >&2
echo >&2
env) command_env;;
sign_domains) command_sign_domains;;
revoke) command_revoke "${PARAM_REVOKECERT}";;
- *) command_help; exit1;;
+ *) command_help; exit 1;;
esac
}