3 # dehydrated by lukas2511
4 # Source: https://github.com/lukas2511/dehydrated
6 # This script is licensed under The MIT License (see LICENSE for more information).
11 [[ -n "${ZSH_VERSION:-}" ]] && set -o SH_WORD_SPLIT && set +o FUNCTION_ARGZERO
12 umask 077 # paranoid umask, we're creating private keys
14 # Find directory in which this script is stored by traversing all symbolic links
16 while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
17 DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
18 SOURCE="$(readlink "$SOURCE")"
19 [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
21 SCRIPTDIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
23 BASEDIR="${SCRIPTDIR}"
25 # Create (identifiable) temporary files
27 # shellcheck disable=SC2068
28 mktemp ${@:-} "${TMPDIR:-/tmp}/dehydrated-XXXXXX"
31 # Check for script dependencies
32 check_dependencies() {
33 # just execute some dummy and/or version commands to see if required tools exist and are actually usable
34 openssl version > /dev/null 2>&1 || _exiterr "This script requires an openssl binary."
35 _sed "" < /dev/null > /dev/null 2>&1 || _exiterr "This script requires sed with support for extended (modern) regular expressions."
36 command -v grep > /dev/null 2>&1 || _exiterr "This script requires grep."
37 command -v mktemp > /dev/null 2>&1 || _exiterr "This script requires mktemp."
38 command -v diff > /dev/null 2>&1 || _exiterr "This script requires diff."
40 # curl returns with an error code in some ancient versions so we have to catch that
42 curl -V > /dev/null 2>&1
45 if [[ ! "${retcode}" = "0" ]] && [[ ! "${retcode}" = "2" ]]; then
46 _exiterr "This script requires curl."
51 __KEY_ALGO="${KEY_ALGO}"
52 __OCSP_MUST_STAPLE="${OCSP_MUST_STAPLE}"
53 __PRIVATE_KEY_RENEW="${PRIVATE_KEY_RENEW}"
54 __KEYSIZE="${KEYSIZE}"
55 __CHALLENGETYPE="${CHALLENGETYPE}"
57 __WELLKNOWN="${WELLKNOWN}"
58 __HOOK_CHAIN="${HOOK_CHAIN}"
59 __OPENSSL_CNF="${OPENSSL_CNF}"
60 __RENEW_DAYS="${RENEW_DAYS}"
61 __IP_VERSION="${IP_VERSION}"
65 KEY_ALGO="${__KEY_ALGO}"
66 OCSP_MUST_STAPLE="${__OCSP_MUST_STAPLE}"
67 PRIVATE_KEY_RENEW="${__PRIVATE_KEY_RENEW}"
68 KEYSIZE="${__KEYSIZE}"
69 CHALLENGETYPE="${__CHALLENGETYPE}"
71 WELLKNOWN="${__WELLKNOWN}"
72 HOOK_CHAIN="${__HOOK_CHAIN}"
73 OPENSSL_CNF="${__OPENSSL_CNF}"
74 RENEW_DAYS="${__RENEW_DAYS}"
75 IP_VERSION="${__IP_VERSION}"
78 # verify configuration values
80 [[ "${CHALLENGETYPE}" =~ (http-01|dns-01) ]] || _exiterr "Unknown challenge type ${CHALLENGETYPE}... can not continue."
81 if [[ "${CHALLENGETYPE}" = "dns-01" ]] && [[ -z "${HOOK}" ]]; then
82 _exiterr "Challenge type dns-01 needs a hook script for deployment... can not continue."
84 if [[ "${CHALLENGETYPE}" = "http-01" && ! -d "${WELLKNOWN}" && ! "${COMMAND:-}" = "register" ]]; then
85 _exiterr "WELLKNOWN directory doesn't exist, please create ${WELLKNOWN} and set appropriate permissions."
87 [[ "${KEY_ALGO}" =~ ^(rsa|prime256v1|secp384r1)$ ]] || _exiterr "Unknown public key algorithm ${KEY_ALGO}... can not continue."
88 if [[ -n "${IP_VERSION}" ]]; then
89 [[ "${IP_VERSION}" = "4" || "${IP_VERSION}" = "6" ]] || _exiterr "Unknown IP version ${IP_VERSION}... can not continue."
93 # Setup default config values, search for and load configuration files
95 # Check for config in various locations
96 if [[ -z "${CONFIG:-}" ]]; then
97 for check_config in "/etc/dehydrated" "/usr/local/etc/dehydrated" "${PWD}" "${SCRIPTDIR}"; do
98 if [[ -f "${check_config}/config" ]]; then
99 BASEDIR="${check_config}"
100 CONFIG="${check_config}/config"
107 CA="https://acme-v01.api.letsencrypt.org/directory"
108 CA_TERMS="https://acme-v01.api.letsencrypt.org/terms"
112 CHALLENGETYPE="http-01"
121 PRIVATE_KEY_RENEW="yes"
122 PRIVATE_KEY_ROLLOVER="no"
124 OPENSSL_CNF="$(openssl version -d | cut -d\" -f2)/openssl.cnf"
127 OCSP_MUST_STAPLE="no"
130 if [[ -z "${CONFIG:-}" ]]; then
132 echo "# !! WARNING !! No main config file found, using default config!" >&2
134 elif [[ -f "${CONFIG}" ]]; then
135 echo "# INFO: Using main config file ${CONFIG}"
136 BASEDIR="$(dirname "${CONFIG}")"
137 # shellcheck disable=SC1090
140 _exiterr "Specified config file doesn't exist."
143 if [[ -n "${CONFIG_D}" ]]; then
144 if [[ ! -d "${CONFIG_D}" ]]; then
145 _exiterr "The path ${CONFIG_D} specified for CONFIG_D does not point to a directory." >&2
148 for check_config_d in "${CONFIG_D}"/*.sh; do
149 if [[ ! -e "${check_config_d}" ]]; then
150 echo "# !! WARNING !! Extra configuration directory ${CONFIG_D} exists, but no configuration found in it." >&2
152 elif [[ -f "${check_config_d}" ]] && [[ -r "${check_config_d}" ]]; then
153 echo "# INFO: Using additional config file ${check_config_d}"
154 # shellcheck disable=SC1090
155 . "${check_config_d}"
157 _exiterr "Specified additional config ${check_config_d} is not readable or not a file at all." >&2
162 # Remove slash from end of BASEDIR. Mostly for cleaner outputs, doesn't change functionality.
163 BASEDIR="${BASEDIR%%/}"
165 # Check BASEDIR and set default variables
166 [[ -d "${BASEDIR}" ]] || _exiterr "BASEDIR does not exist: ${BASEDIR}"
168 CAHASH="$(echo "${CA}" | urlbase64)"
169 [[ -z "${ACCOUNTDIR}" ]] && ACCOUNTDIR="${BASEDIR}/accounts"
170 mkdir -p "${ACCOUNTDIR}/${CAHASH}"
171 [[ -f "${ACCOUNTDIR}/${CAHASH}/config" ]] && . "${ACCOUNTDIR}/${CAHASH}/config"
172 ACCOUNT_KEY="${ACCOUNTDIR}/${CAHASH}/account_key.pem"
173 ACCOUNT_KEY_JSON="${ACCOUNTDIR}/${CAHASH}/registration_info.json"
175 if [[ -f "${BASEDIR}/private_key.pem" ]] && [[ ! -f "${ACCOUNT_KEY}" ]]; then
176 echo "! Moving private_key.pem to ${ACCOUNT_KEY}"
177 mv "${BASEDIR}/private_key.pem" "${ACCOUNT_KEY}"
179 if [[ -f "${BASEDIR}/private_key.json" ]] && [[ ! -f "${ACCOUNT_KEY_JSON}" ]]; then
180 echo "! Moving private_key.json to ${ACCOUNT_KEY_JSON}"
181 mv "${BASEDIR}/private_key.json" "${ACCOUNT_KEY_JSON}"
184 [[ -z "${CERTDIR}" ]] && CERTDIR="${BASEDIR}/certs"
185 [[ -z "${DOMAINS_TXT}" ]] && DOMAINS_TXT="${BASEDIR}/domains.txt"
186 [[ -z "${WELLKNOWN}" ]] && WELLKNOWN="/var/www/dehydrated"
187 [[ -z "${LOCKFILE}" ]] && LOCKFILE="${BASEDIR}/lock"
188 [[ -n "${PARAM_LOCKFILE_SUFFIX:-}" ]] && LOCKFILE="${LOCKFILE}-${PARAM_LOCKFILE_SUFFIX}"
189 [[ -n "${PARAM_NO_LOCK:-}" ]] && LOCKFILE=""
191 [[ -n "${PARAM_HOOK:-}" ]] && HOOK="${PARAM_HOOK}"
192 [[ -n "${PARAM_CERTDIR:-}" ]] && CERTDIR="${PARAM_CERTDIR}"
193 [[ -n "${PARAM_CHALLENGETYPE:-}" ]] && CHALLENGETYPE="${PARAM_CHALLENGETYPE}"
194 [[ -n "${PARAM_KEY_ALGO:-}" ]] && KEY_ALGO="${PARAM_KEY_ALGO}"
195 [[ -n "${PARAM_OCSP_MUST_STAPLE:-}" ]] && OCSP_MUST_STAPLE="${PARAM_OCSP_MUST_STAPLE}"
196 [[ -n "${PARAM_IP_VERSION:-}" ]] && IP_VERSION="${PARAM_IP_VERSION}"
206 # Lockfile handling (prevents concurrent access)
207 if [[ -n "${LOCKFILE}" ]]; then
208 LOCKDIR="$(dirname "${LOCKFILE}")"
209 [[ -w "${LOCKDIR}" ]] || _exiterr "Directory ${LOCKDIR} for LOCKFILE ${LOCKFILE} is not writable, aborting."
210 ( set -C; date > "${LOCKFILE}" ) 2>/dev/null || _exiterr "Lock file '${LOCKFILE}' present, aborting."
211 remove_lock() { rm -f "${LOCKFILE}"; }
212 trap 'remove_lock' EXIT
216 CA_DIRECTORY="$(http_request get "${CA}")"
217 CA_NEW_CERT="$(printf "%s" "${CA_DIRECTORY}" | get_json_string_value new-cert)" &&
218 CA_NEW_AUTHZ="$(printf "%s" "${CA_DIRECTORY}" | get_json_string_value new-authz)" &&
219 CA_NEW_REG="$(printf "%s" "${CA_DIRECTORY}" | get_json_string_value new-reg)" &&
220 # shellcheck disable=SC2015
221 CA_REVOKE_CERT="$(printf "%s" "${CA_DIRECTORY}" | get_json_string_value revoke-cert)" ||
222 _exiterr "Problem retrieving ACME/CA-URLs, check if your configured CA points to the directory entrypoint."
224 # Export some environment variables to be used in hook script
225 export WELLKNOWN BASEDIR CERTDIR CONFIG COMMAND
227 # Checking for private key ...
228 register_new_key="no"
229 if [[ -n "${PARAM_ACCOUNT_KEY:-}" ]]; then
230 # a private key was specified from the command line so use it for this run
231 echo "Using private key ${PARAM_ACCOUNT_KEY} instead of account key"
232 ACCOUNT_KEY="${PARAM_ACCOUNT_KEY}"
233 ACCOUNT_KEY_JSON="${PARAM_ACCOUNT_KEY}.json"
235 # Check if private account key exists, if it doesn't exist yet generate a new one (rsa key)
236 if [[ ! -e "${ACCOUNT_KEY}" ]]; then
237 REAL_LICENSE="$(http_request head "${CA_TERMS}" | (grep Location: || true) | awk -F ': ' '{print $2}' | tr -d '\n\r')"
238 if [[ -z "${REAL_LICENSE}" ]]; then
240 printf 'Error retrieving terms of service from certificate authority.\n'
241 printf 'Please set LICENSE in config manually.\n'
244 if [[ ! "${LICENSE}" = "${REAL_LICENSE}" ]]; then
245 if [[ "${PARAM_ACCEPT_TERMS:-}" = "yes" ]]; then
246 LICENSE="${REAL_LICENSE}"
249 printf 'To use dehydrated with this certificate authority you have to agree to their terms of service which you can find here: %s\n\n' "${REAL_LICENSE}"
250 printf 'To accept these terms of service run `%s --register --accept-terms`.\n' "${0}"
255 echo "+ Generating account key..."
256 _openssl genrsa -out "${ACCOUNT_KEY}" "${KEYSIZE}"
257 register_new_key="yes"
260 openssl rsa -in "${ACCOUNT_KEY}" -check 2>/dev/null > /dev/null || _exiterr "Account key is not valid, can not continue."
262 # Get public components from private key and calculate thumbprint
263 pubExponent64="$(printf '%x' "$(openssl rsa -in "${ACCOUNT_KEY}" -noout -text | awk '/publicExponent/ {print $2}')" | hex2bin | urlbase64)"
264 pubMod64="$(openssl rsa -in "${ACCOUNT_KEY}" -noout -modulus | cut -d'=' -f2 | hex2bin | urlbase64)"
266 thumbprint="$(printf '{"e":"%s","kty":"RSA","n":"%s"}' "${pubExponent64}" "${pubMod64}" | openssl dgst -sha256 -binary | urlbase64)"
268 # If we generated a new private key in the step above we have to register it with the acme-server
269 if [[ "${register_new_key}" = "yes" ]]; then
270 echo "+ Registering account key with ACME server..."
273 if [[ -z "${CA_NEW_REG}" ]]; then
274 echo "Certificate authority doesn't allow registrations."
278 # If an email for the contact has been provided then adding it to the registration request
279 if [[ "${FAILED}" = "false" ]]; then
280 if [[ -n "${CONTACT_EMAIL}" ]]; then
281 (signed_request "${CA_NEW_REG}" '{"resource": "new-reg", "contact":["mailto:'"${CONTACT_EMAIL}"'"], "agreement": "'"$LICENSE"'"}' > "${ACCOUNT_KEY_JSON}") || FAILED=true
283 (signed_request "${CA_NEW_REG}" '{"resource": "new-reg", "agreement": "'"$LICENSE"'"}' > "${ACCOUNT_KEY_JSON}") || FAILED=true
287 if [[ "${FAILED}" = "true" ]]; then
290 echo "Error registering account key. See message above for more information."
291 rm "${ACCOUNT_KEY}" "${ACCOUNT_KEY_JSON}"
294 elif [[ "${COMMAND:-}" = "register" ]]; then
295 echo "+ Account already registered!"
300 # Different sed version for different os types...
302 if [[ "${OSTYPE}" = "Linux" ]]; then
309 # Print error message and exit with error
311 echo "ERROR: ${1}" >&2
315 # Remove newlines and whitespace from json
317 tr -d '\r\n' | _sed -e 's/ +/ /g' -e 's/\{ /{/g' -e 's/ \}/}/g' -e 's/\[ /[/g' -e 's/ \]/]/g'
320 # Encode data as url-safe formatted base64
322 # urlbase64: base64 encoded string with '+' replaced with '-' and '/' replaced with '_'
323 openssl base64 -e | tr -d '\n\r' | _sed -e 's:=*$::g' -e 'y:+/:-_:'
326 # Convert hex string to binary data
328 # Remove spaces, add leading zero, escape as hex string and parse with printf
329 printf -- "$(cat | _sed -e 's/[[:space:]]//g' -e 's/^(.(.{2})*)$/0\1/' -e 's/(.{2})/\\x\1/g')"
332 # Get string value from json dictionary
333 get_json_string_value() {
335 filter=$(printf 's/.*"%s": *"\([^"]*\)".*/\\1/p' "$1")
341 filter='s/\[[^][]*\]/null/g'
342 # remove three levels of nested arrays
343 sed -e "${filter}" -e "${filter}" -e "${filter}"
346 # OpenSSL writes to stderr/stdout even when there are no errors. So just
347 # display the output if the exit code was != 0 to simplify debugging.
350 out="$(openssl "${@}" 2>&1)"
353 if [[ ${res} -ne 0 ]]; then
354 echo " + ERROR: failed to run $* (Exitcode: ${res})" >&2
363 # Send http(s) request with specified method
365 tempcont="$(_mktemp)"
367 if [[ -n "${IP_VERSION:-}" ]]; then
368 ip_version="-${IP_VERSION}"
372 if [[ "${1}" = "head" ]]; then
373 statuscode="$(curl ${ip_version:-} -s -w "%{http_code}" -o "${tempcont}" "${2}" -I)"
375 elif [[ "${1}" = "get" ]]; then
376 statuscode="$(curl ${ip_version:-} -s -w "%{http_code}" -o "${tempcont}" "${2}")"
378 elif [[ "${1}" = "post" ]]; then
379 statuscode="$(curl ${ip_version:-} -s -w "%{http_code}" -o "${tempcont}" "${2}" -d "${3}")"
383 _exiterr "Unknown request method: ${1}"
387 if [[ ! "${curlret}" = "0" ]]; then
388 _exiterr "Problem connecting to server (${1} for ${2}; curl returned with ${curlret})"
391 if [[ ! "${statuscode:0:1}" = "2" ]]; then
392 if [[ ! "${2}" = "${CA_TERMS}" ]] || [[ ! "${statuscode:0:1}" = "3" ]]; then
393 echo " + ERROR: An error occurred while sending ${1}-request to ${2} (Status ${statuscode})" >&2
396 cat "${tempcont}" >&2
400 # An exclusive hook for the {1}-request error might be useful (e.g., for sending an e-mail to admins)
401 if [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" != "yes" ]]; then
402 errtxt=`cat ${tempcont}`
403 "${HOOK}" "request_failure" "${statuscode}" "${errtxt}" "${1}"
408 # Wait for hook script to clean the challenge if used
409 if [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" != "yes" ]] && [[ -n "${challenge_token:+set}" ]]; then
410 "${HOOK}" "clean_challenge" '' "${challenge_token}" "${keyauth}"
413 # remove temporary domains.txt file if used
414 [[ -n "${PARAM_DOMAIN:-}" && -n "${DOMAINS_TXT:-}" ]] && rm "${DOMAINS_TXT}"
423 # Send signed request
425 # Encode payload as urlbase64
426 payload64="$(printf '%s' "${2}" | urlbase64)"
428 # Retrieve nonce from acme-server
429 nonce="$(http_request head "${CA}" | grep Replay-Nonce: | awk -F ': ' '{print $2}' | tr -d '\n\r')"
431 # Build header with just our public key and algorithm information
432 header='{"alg": "RS256", "jwk": {"e": "'"${pubExponent64}"'", "kty": "RSA", "n": "'"${pubMod64}"'"}}'
434 # Build another header which also contains the previously received nonce and encode it as urlbase64
435 protected='{"alg": "RS256", "jwk": {"e": "'"${pubExponent64}"'", "kty": "RSA", "n": "'"${pubMod64}"'"}, "nonce": "'"${nonce}"'"}'
436 protected64="$(printf '%s' "${protected}" | urlbase64)"
438 # Sign header with nonce and our payload with our private key and encode signature as urlbase64
439 signed64="$(printf '%s' "${protected64}.${payload64}" | openssl dgst -sha256 -sign "${ACCOUNT_KEY}" | urlbase64)"
441 # Send header + extended header + payload + signature to the acme-server
442 data='{"header": '"${header}"', "protected": "'"${protected64}"'", "payload": "'"${payload64}"'", "signature": "'"${signed64}"'"}'
444 http_request post "${1}" "${data}"
447 # Extracts all subject names from a CSR
448 # Outputs either the CN, or the SANs, one per line
450 csr="${1}" # the CSR itself (not a file)
452 if ! <<<"${csr}" openssl req -verify -noout 2>/dev/null; then
453 _exiterr "Certificate signing request isn't valid"
456 reqtext="$( <<<"${csr}" openssl req -noout -text )"
457 if <<<"${reqtext}" grep -q '^[[:space:]]*X509v3 Subject Alternative Name:[[:space:]]*$'; then
458 # SANs used, extract these
459 altnames="$( <<<"${reqtext}" awk '/X509v3 Subject Alternative Name:/{print;getline;print;}' | tail -n1 )"
460 # split to one per line:
461 # shellcheck disable=SC1003
462 altnames="$( <<<"${altnames}" _sed -e 's/^[[:space:]]*//; s/, /\'$'\n''/g' )"
463 # we can only get DNS: ones signed
464 if grep -qv '^DNS:' <<<"${altnames}"; then
465 _exiterr "Certificate signing request contains non-DNS Subject Alternative Names"
467 # strip away the DNS: prefix
468 altnames="$( <<<"${altnames}" _sed -e 's/^DNS://' )"
472 # No SANs, extract CN
473 altnames="$( <<<"${reqtext}" grep '^[[:space:]]*Subject:' | _sed -e 's/.* CN=([^ /,]*).*/\1/' )"
478 # Create certificate for domain(s) and outputs it FD 3
480 csr="${1}" # the CSR itself (not a file)
482 if { true >&3; } 2>/dev/null; then
485 _exiterr "sign_csr: FD 3 not open"
490 if [ -z "${altnames}" ]; then
491 altnames="$( extract_altnames "${csr}" )"
494 if [[ -z "${CA_NEW_AUTHZ}" ]] || [[ -z "${CA_NEW_CERT}" ]]; then
495 _exiterr "Certificate authority doesn't allow certificate signing"
499 if [[ -n "${ZSH_VERSION:-}" ]]; then
500 local -A challenge_altnames challenge_uris challenge_tokens keyauths deploy_args
502 local -a challenge_altnames challenge_uris challenge_tokens keyauths deploy_args
506 for altname in ${altnames}; do
507 # Ask the acme-server for new challenge token and extract them from the resulting json block
508 echo " + Requesting challenge for ${altname}..."
509 response="$(signed_request "${CA_NEW_AUTHZ}" '{"resource": "new-authz", "identifier": {"type": "dns", "value": "'"${altname}"'"}}' | clean_json)"
511 challenge_status="$(printf '%s' "${response}" | rm_json_arrays | get_json_string_value status)"
512 if [ "${challenge_status}" = "valid" ]; then
513 echo " + Already validated!"
517 challenges="$(printf '%s\n' "${response}" | sed -n 's/.*\("challenges":[^\[]*\[[^]]*]\).*/\1/p')"
518 repl=$'\n''{' # fix syntax highlighting in Vim
519 challenge="$(printf "%s" "${challenges//\{/${repl}}" | grep \""${CHALLENGETYPE}"\")"
520 challenge_token="$(printf '%s' "${challenge}" | get_json_string_value token | _sed 's/[^A-Za-z0-9_\-]/_/g')"
521 challenge_uri="$(printf '%s' "${challenge}" | get_json_string_value uri)"
523 if [[ -z "${challenge_token}" ]] || [[ -z "${challenge_uri}" ]]; then
524 _exiterr "Can't retrieve challenges (${response})"
527 # Challenge response consists of the challenge token and the thumbprint of our public certificate
528 keyauth="${challenge_token}.${thumbprint}"
530 case "${CHALLENGETYPE}" in
532 # Store challenge response in well-known location and make world-readable (so that a webserver can access it)
533 printf '%s' "${keyauth}" > "${WELLKNOWN}/${challenge_token}"
534 chmod a+r "${WELLKNOWN}/${challenge_token}"
535 keyauth_hook="${keyauth}"
538 # Generate DNS entry content for dns-01 validation
539 keyauth_hook="$(printf '%s' "${keyauth}" | openssl dgst -sha256 -binary | urlbase64)"
543 challenge_altnames[${idx}]="${altname}"
544 challenge_uris[${idx}]="${challenge_uri}"
545 keyauths[${idx}]="${keyauth}"
546 challenge_tokens[${idx}]="${challenge_token}"
547 # Note: assumes args will never have spaces!
548 deploy_args[${idx}]="${altname} ${challenge_token} ${keyauth_hook}"
551 challenge_count="${idx}"
553 # Wait for hook script to deploy the challenges if used
554 if [[ ${challenge_count} -ne 0 ]]; then
555 # shellcheck disable=SC2068
556 [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" = "yes" ]] && "${HOOK}" "deploy_challenge" ${deploy_args[@]}
559 # Respond to challenges
562 if [ ${challenge_count} -ne 0 ]; then
563 for altname in "${challenge_altnames[@]:0}"; do
564 challenge_token="${challenge_tokens[${idx}]}"
565 keyauth="${keyauths[${idx}]}"
567 # Wait for hook script to deploy the challenge if used
568 # shellcheck disable=SC2086
569 [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" != "yes" ]] && "${HOOK}" "deploy_challenge" ${deploy_args[${idx}]}
571 # Ask the acme-server to verify our challenge and wait until it is no longer pending
572 echo " + Responding to challenge for ${altname}..."
573 result="$(signed_request "${challenge_uris[${idx}]}" '{"resource": "challenge", "keyAuthorization": "'"${keyauth}"'"}' | clean_json)"
575 reqstatus="$(printf '%s\n' "${result}" | get_json_string_value status)"
577 while [[ "${reqstatus}" = "pending" ]]; do
579 result="$(http_request get "${challenge_uris[${idx}]}")"
580 reqstatus="$(printf '%s\n' "${result}" | get_json_string_value status)"
583 [[ "${CHALLENGETYPE}" = "http-01" ]] && rm -f "${WELLKNOWN}/${challenge_token}"
585 # Wait for hook script to clean the challenge if used
586 if [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" != "yes" ]] && [[ -n "${challenge_token}" ]]; then
587 # shellcheck disable=SC2086
588 "${HOOK}" "clean_challenge" ${deploy_args[${idx}]}
592 if [[ "${reqstatus}" = "valid" ]]; then
593 echo " + Challenge is valid!"
595 [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" != "yes" ]] && "${HOOK}" "invalid_challenge" "${altname}" "${result}"
600 # Wait for hook script to clean the challenges if used
601 # shellcheck disable=SC2068
602 if [[ ${challenge_count} -ne 0 ]]; then
603 [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" = "yes" ]] && "${HOOK}" "clean_challenge" ${deploy_args[@]}
606 if [[ "${reqstatus}" != "valid" ]]; then
607 # Clean up any remaining challenge_tokens if we stopped early
608 if [[ "${CHALLENGETYPE}" = "http-01" ]] && [[ ${challenge_count} -ne 0 ]]; then
609 while [ ${idx} -lt ${#challenge_tokens[@]} ]; do
610 rm -f "${WELLKNOWN}/${challenge_tokens[${idx}]}"
615 _exiterr "Challenge is invalid! (returned: ${reqstatus}) (result: ${result})"
618 # Finally request certificate from the acme-server and store it in cert-${timestamp}.pem and link from cert.pem
619 echo " + Requesting certificate..."
620 csr64="$( <<<"${csr}" openssl req -outform DER | urlbase64)"
621 crt64="$(signed_request "${CA_NEW_CERT}" '{"resource": "new-cert", "csr": "'"${csr64}"'"}' | openssl base64 -e)"
622 crt="$( printf -- '-----BEGIN CERTIFICATE-----\n%s\n-----END CERTIFICATE-----\n' "${crt64}" )"
624 # Try to load the certificate to detect corruption
625 echo " + Checking certificate..."
626 _openssl x509 -text <<<"${crt}"
630 unset challenge_token
634 # grep issuer cert uri from certificate
635 get_issuer_cert_uri() {
637 openssl x509 -in "${certificate}" -noout -text | (grep 'CA Issuers - URI:' | cut -d':' -f2-) || true
640 # walk certificate chain, retrieving all intermediate certificates
645 local issuer_cert_uri
646 issuer_cert_uri="${2:-}"
647 if [[ -z "${issuer_cert_uri}" ]]; then issuer_cert_uri="$(get_issuer_cert_uri "${certificate}")"; fi
648 if [[ -n "${issuer_cert_uri}" ]]; then
649 # create temporary files
652 tmpcert_raw="$(_mktemp)"
655 # download certificate
656 http_request get "${issuer_cert_uri}" > "${tmpcert_raw}"
659 if grep -q "BEGIN CERTIFICATE" "${tmpcert_raw}"; then mv "${tmpcert_raw}" "${tmpcert}"
661 elif openssl x509 -in "${tmpcert_raw}" -inform DER -out "${tmpcert}" -outform PEM 2> /dev/null > /dev/null; then :
663 elif openssl pkcs7 -in "${tmpcert_raw}" -inform DER -out "${tmpcert}" -outform PEM -print_certs 2> /dev/null > /dev/null; then :
664 # Unknown certificate type
665 else _exiterr "Unknown certificate type in chain"
668 local next_issuer_cert_uri
669 next_issuer_cert_uri="$(get_issuer_cert_uri "${tmpcert}")"
670 if [[ -n "${next_issuer_cert_uri}" ]]; then
671 printf "\n%s\n" "${issuer_cert_uri}"
673 walk_chain "${tmpcert}" "${next_issuer_cert_uri}"
675 rm -f "${tmpcert}" "${tmpcert_raw}"
679 # Create certificate for domain(s)
683 timestamp="$(date +%s)"
685 echo " + Signing domains..."
686 if [[ -z "${CA_NEW_AUTHZ}" ]] || [[ -z "${CA_NEW_CERT}" ]]; then
687 _exiterr "Certificate authority doesn't allow certificate signing"
690 # If there is no existing certificate directory => make it
691 if [[ ! -e "${CERTDIR}/${domain}" ]]; then
692 echo " + Creating new directory ${CERTDIR}/${domain} ..."
693 mkdir -p "${CERTDIR}/${domain}" || _exiterr "Unable to create directory ${CERTDIR}/${domain}"
696 privkey="privkey.pem"
697 # generate a new private key if we need or want one
698 if [[ ! -r "${CERTDIR}/${domain}/privkey.pem" ]] || [[ "${PRIVATE_KEY_RENEW}" = "yes" ]]; then
699 echo " + Generating private key..."
700 privkey="privkey-${timestamp}.pem"
701 case "${KEY_ALGO}" in
702 rsa) _openssl genrsa -out "${CERTDIR}/${domain}/privkey-${timestamp}.pem" "${KEYSIZE}";;
703 prime256v1|secp384r1) _openssl ecparam -genkey -name "${KEY_ALGO}" -out "${CERTDIR}/${domain}/privkey-${timestamp}.pem";;
706 # move rolloverkey into position (if any)
707 if [[ -r "${CERTDIR}/${domain}/privkey.pem" && -r "${CERTDIR}/${domain}/privkey.roll.pem" && "${PRIVATE_KEY_RENEW}" = "yes" && "${PRIVATE_KEY_ROLLOVER}" = "yes" ]]; then
708 echo " + Moving Rolloverkey into position.... "
709 mv "${CERTDIR}/${domain}/privkey.roll.pem" "${CERTDIR}/${domain}/privkey-tmp.pem"
710 mv "${CERTDIR}/${domain}/privkey-${timestamp}.pem" "${CERTDIR}/${domain}/privkey.roll.pem"
711 mv "${CERTDIR}/${domain}/privkey-tmp.pem" "${CERTDIR}/${domain}/privkey-${timestamp}.pem"
713 # generate a new private rollover key if we need or want one
714 if [[ ! -r "${CERTDIR}/${domain}/privkey.roll.pem" && "${PRIVATE_KEY_ROLLOVER}" = "yes" && "${PRIVATE_KEY_RENEW}" = "yes" ]]; then
715 echo " + Generating private rollover key..."
716 case "${KEY_ALGO}" in
717 rsa) _openssl genrsa -out "${CERTDIR}/${domain}/privkey.roll.pem" "${KEYSIZE}";;
718 prime256v1|secp384r1) _openssl ecparam -genkey -name "${KEY_ALGO}" -out "${CERTDIR}/${domain}/privkey.roll.pem";;
721 # delete rolloverkeys if disabled
722 if [[ -r "${CERTDIR}/${domain}/privkey.roll.pem" && ! "${PRIVATE_KEY_ROLLOVER}" = "yes" ]]; then
723 echo " + Removing Rolloverkey (feature disabled)..."
724 rm -f "${CERTDIR}/${domain}/privkey.roll.pem"
727 # Generate signing request config and the actual signing request
728 echo " + Generating signing request..."
730 for altname in ${altnames}; do
731 SAN+="DNS:${altname}, "
734 local tmp_openssl_cnf
735 tmp_openssl_cnf="$(_mktemp)"
736 cat "${OPENSSL_CNF}" > "${tmp_openssl_cnf}"
737 printf "[SAN]\nsubjectAltName=%s" "${SAN}" >> "${tmp_openssl_cnf}"
738 if [ "${OCSP_MUST_STAPLE}" = "yes" ]; then
739 printf "\n1.3.6.1.5.5.7.1.24=DER:30:03:02:01:05" >> "${tmp_openssl_cnf}"
741 openssl req -new -sha256 -key "${CERTDIR}/${domain}/${privkey}" -out "${CERTDIR}/${domain}/cert-${timestamp}.csr" -subj "/CN=${domain}/" -reqexts SAN -config "${tmp_openssl_cnf}"
742 rm -f "${tmp_openssl_cnf}"
744 crt_path="${CERTDIR}/${domain}/cert-${timestamp}.pem"
745 # shellcheck disable=SC2086
746 sign_csr "$(< "${CERTDIR}/${domain}/cert-${timestamp}.csr" )" ${altnames} 3>"${crt_path}"
748 # Create fullchain.pem
749 echo " + Creating fullchain.pem..."
750 cat "${crt_path}" > "${CERTDIR}/${domain}/fullchain-${timestamp}.pem"
751 walk_chain "${crt_path}" > "${CERTDIR}/${domain}/chain-${timestamp}.pem"
752 cat "${CERTDIR}/${domain}/chain-${timestamp}.pem" >> "${CERTDIR}/${domain}/fullchain-${timestamp}.pem"
755 [[ "${privkey}" = "privkey.pem" ]] || ln -sf "privkey-${timestamp}.pem" "${CERTDIR}/${domain}/privkey.pem"
757 ln -sf "chain-${timestamp}.pem" "${CERTDIR}/${domain}/chain.pem"
758 ln -sf "fullchain-${timestamp}.pem" "${CERTDIR}/${domain}/fullchain.pem"
759 ln -sf "cert-${timestamp}.csr" "${CERTDIR}/${domain}/cert.csr"
760 ln -sf "cert-${timestamp}.pem" "${CERTDIR}/${domain}/cert.pem"
762 # Wait for hook script to clean the challenge and to deploy cert if used
763 [[ -n "${HOOK}" ]] && "${HOOK}" "deploy_cert" "${domain}" "${CERTDIR}/${domain}/privkey.pem" "${CERTDIR}/${domain}/cert.pem" "${CERTDIR}/${domain}/fullchain.pem" "${CERTDIR}/${domain}/chain.pem" "${timestamp}"
765 unset challenge_token
770 # Description: Register account key
778 # Description: Sign/renew non-existant/changed/expiring certificates.
779 command_sign_domains() {
782 if [[ -n "${PARAM_DOMAIN:-}" ]]; then
783 DOMAINS_TXT="$(_mktemp)"
784 printf -- "${PARAM_DOMAIN}" > "${DOMAINS_TXT}"
785 elif [[ -e "${DOMAINS_TXT}" ]]; then
786 if [[ ! -r "${DOMAINS_TXT}" ]]; then
787 _exiterr "domains.txt found but not readable"
790 _exiterr "domains.txt not found and --domain not given"
793 # Generate certificates for all domains found in domains.txt. Check if existing certificate are about to expire
796 for line in $(<"${DOMAINS_TXT}" tr -d '\r' | awk '{print tolower($0)}' | _sed -e 's/^[[:space:]]*//g' -e 's/[[:space:]]*$//g' -e 's/[[:space:]]+/ /g' | (grep -vE '^(#|$)' || true)); do
799 domain="$(printf '%s\n' "${line}" | cut -d' ' -f1)"
800 morenames="$(printf '%s\n' "${line}" | cut -s -d' ' -f2-)"
801 cert="${CERTDIR}/${domain}/cert.pem"
803 force_renew="${PARAM_FORCE:-no}"
805 if [[ -z "${morenames}" ]];then
806 echo "Processing ${domain}"
808 echo "Processing ${domain} with alternative names: ${morenames}"
812 # for now this loads the certificate specific config in a subshell and parses a diff of set variables.
813 # we could just source the config file but i decided to go this way to protect people from accidentally overriding
814 # variables used internally by this script itself.
815 if [[ -n "${DOMAINS_D}" ]]; then
816 certconfig="${DOMAINS_D}/${domain}"
818 certconfig="${CERTDIR}/${domain}/config"
821 if [ -f "${certconfig}" ]; then
822 echo " + Using certificate specific config file!"
826 beforevars="$(_mktemp)"
827 aftervars="$(_mktemp)"
828 set > "${beforevars}"
829 # shellcheck disable=SC1090
832 diff -u "${beforevars}" "${aftervars}" | grep -E '^\+[^+]'
836 config_var="$(echo "${cfgline:1}" | cut -d'=' -f1)"
837 config_value="$(echo "${cfgline:1}" | cut -d'=' -f2-)"
838 case "${config_var}" in
839 KEY_ALGO|OCSP_MUST_STAPLE|PRIVATE_KEY_RENEW|PRIVATE_KEY_ROLLOVER|KEYSIZE|CHALLENGETYPE|HOOK|WELLKNOWN|HOOK_CHAIN|OPENSSL_CNF|RENEW_DAYS)
840 echo " + ${config_var} = ${config_value}"
841 declare -- "${config_var}=${config_value}"
844 *) echo " ! Setting ${config_var} on a per-certificate base is not (yet) supported"
850 export WELLKNOWN CHALLENGETYPE KEY_ALGO PRIVATE_KEY_ROLLOVER
852 if [[ -e "${cert}" ]]; then
853 printf " + Checking domain name(s) of existing cert..."
855 certnames="$(openssl x509 -in "${cert}" -text -noout | grep DNS: | _sed 's/DNS://g' | tr -d ' ' | tr ',' '\n' | sort -u | tr '\n' ' ' | _sed 's/ $//')"
856 givennames="$(echo "${domain}" "${morenames}"| tr ' ' '\n' | sort -u | tr '\n' ' ' | _sed 's/ $//' | _sed 's/^ //')"
858 if [[ "${certnames}" = "${givennames}" ]]; then
862 echo " + Domain name(s) are not matching!"
863 echo " + Names in old certificate: ${certnames}"
864 echo " + Configured names: ${givennames}"
865 echo " + Forcing renew."
870 if [[ -e "${cert}" ]]; then
871 echo " + Checking expire date of existing cert..."
872 valid="$(openssl x509 -enddate -noout -in "${cert}" | cut -d= -f2- )"
874 printf " + Valid till %s " "${valid}"
875 if openssl x509 -checkend $((RENEW_DAYS * 86400)) -noout -in "${cert}"; then
876 printf "(Longer than %d days). " "${RENEW_DAYS}"
877 if [[ "${force_renew}" = "yes" ]]; then
878 echo "Ignoring because renew was forced!"
880 # Certificate-Names unchanged and cert is still valid
881 echo "Skipping renew!"
882 [[ -n "${HOOK}" ]] && "${HOOK}" "unchanged_cert" "${domain}" "${CERTDIR}/${domain}/privkey.pem" "${CERTDIR}/${domain}/cert.pem" "${CERTDIR}/${domain}/fullchain.pem" "${CERTDIR}/${domain}/chain.pem"
886 echo "(Less than ${RENEW_DAYS} days). Renewing!"
890 # shellcheck disable=SC2086
891 if [[ "${PARAM_KEEP_GOING:-}" = "yes" ]]; then
892 sign_domain ${line} &
899 # remove temporary domains.txt file if used
900 [[ -n "${PARAM_DOMAIN:-}" ]] && rm -f "${DOMAINS_TXT}"
902 [[ -n "${HOOK}" ]] && "${HOOK}" "exit_hook"
906 # Usage: --signcsr (-s) path/to/csr.pem
907 # Description: Sign a given CSR, output CRT on stdout (advanced usage)
909 # redirect stdout to stderr
910 # leave stdout over at fd 3 to output the cert
916 if [ ! -r "${csrfile}" ]; then
917 _exiterr "Could not read certificate signing request ${csrfile}"
921 certfile="$(_mktemp)"
922 sign_csr "$(< "${csrfile}" )" 3> "${certfile}"
926 cat "${certfile}" >&3
930 if [ -n "${PARAM_FULL_CHAIN:-}" ]; then
931 # get and convert ca cert
932 chainfile="$(_mktemp)"
933 tmpchain="$(_mktemp)"
934 http_request get "$(openssl x509 -in "${certfile}" -noout -text | grep 'CA Issuers - URI:' | cut -d':' -f2-)" > "${tmpchain}"
935 if grep -q "BEGIN CERTIFICATE" "${tmpchain}"; then
936 mv "${tmpchain}" "${chainfile}"
938 openssl x509 -in "${tmpchain}" -inform DER -out "${chainfile}" -outform PEM
943 cat "${chainfile}" >&3
954 # Usage: --revoke (-r) path/to/cert.pem
955 # Description: Revoke specified certificate
959 [[ -n "${CA_REVOKE_CERT}" ]] || _exiterr "Certificate authority doesn't allow certificate revocation."
962 if [[ -L "${cert}" ]]; then
963 # follow symlink and use real certificate name (so we move the real file and not the symlink at the end)
965 link_target="$(readlink -n "${cert}")"
966 if [[ "${link_target}" =~ ^/ ]]; then
967 cert="${link_target}"
969 cert="$(dirname "${cert}")/${link_target}"
972 [[ -f "${cert}" ]] || _exiterr "Could not find certificate ${cert}"
974 echo "Revoking ${cert}"
976 cert64="$(openssl x509 -in "${cert}" -inform PEM -outform DER | urlbase64)"
977 response="$(signed_request "${CA_REVOKE_CERT}" '{"resource": "revoke-cert", "certificate": "'"${cert64}"'"}' | clean_json)"
978 # if there is a problem with our revoke request _request (via signed_request) will report this and "exit 1" out
979 # so if we are here, it is safe to assume the request was successful
981 echo " + Renaming certificate to ${cert}-revoked"
982 mv -f "${cert}" "${cert}-revoked"
985 # Usage: --cleanup (-gc)
986 # Description: Move unused certificate files to archive directory
990 # Create global archive directory if not existant
991 if [[ ! -e "${BASEDIR}/archive" ]]; then
992 mkdir "${BASEDIR}/archive"
995 # Loop over all certificate directories
996 for certdir in "${CERTDIR}/"*; do
997 # Skip if entry is not a folder
998 [[ -d "${certdir}" ]] || continue
1000 # Get certificate name
1001 certname="$(basename "${certdir}")"
1003 # Create certitifaces archive directory if not existant
1004 archivedir="${BASEDIR}/archive/${certname}"
1005 if [[ ! -e "${archivedir}" ]]; then
1006 mkdir "${archivedir}"
1009 # Loop over file-types (certificates, keys, signing-requests, ...)
1010 for filetype in cert.csr cert.pem chain.pem fullchain.pem privkey.pem; do
1011 # Skip if symlink is broken
1012 [[ -r "${certdir}/${filetype}" ]] || continue
1014 # Look up current file in use
1015 current="$(basename "$(readlink "${certdir}/${filetype}")")"
1017 # Split filetype into name and extension
1018 filebase="$(echo "${filetype}" | cut -d. -f1)"
1019 fileext="$(echo "${filetype}" | cut -d. -f2)"
1021 # Loop over all files of this type
1022 for file in "${certdir}/${filebase}-"*".${fileext}"; do
1023 # Handle case where no files match the wildcard
1024 [[ -f "${file}" ]] || break
1026 # Check if current file is in use, if unused move to archive directory
1027 filename="$(basename "${file}")"
1028 if [[ ! "${filename}" = "${current}" ]]; then
1029 echo "Moving unused file to archive directory: ${certname}/${filename}"
1030 mv "${certdir}/${filename}" "${archivedir}/${filename}"
1039 # Usage: --help (-h)
1040 # Description: Show help text
1042 printf "Usage: %s [-h] [command [argument]] [parameter [argument]] [parameter [argument]] ...\n\n" "${0}"
1043 printf "Default command: help\n\n"
1045 grep -e '^[[:space:]]*# Usage:' -e '^[[:space:]]*# Description:' -e '^command_.*()[[:space:]]*{' "${0}" | while read -r usage; read -r description; read -r command; do
1046 if [[ ! "${usage}" =~ Usage ]] || [[ ! "${description}" =~ Description ]] || [[ ! "${command}" =~ ^command_ ]]; then
1047 _exiterr "Error generating help text."
1049 printf " %-32s %s\n" "${usage##"# Usage: "}" "${description##"# Description: "}"
1051 printf -- "\nParameters:\n"
1052 grep -E -e '^[[:space:]]*# PARAM_Usage:' -e '^[[:space:]]*# PARAM_Description:' "${0}" | while read -r usage; read -r description; do
1053 if [[ ! "${usage}" =~ Usage ]] || [[ ! "${description}" =~ Description ]]; then
1054 _exiterr "Error generating help text."
1056 printf " %-32s %s\n" "${usage##"# PARAM_Usage: "}" "${description##"# PARAM_Description: "}"
1061 # Description: Output configuration variables for use in other scripts
1063 echo "# dehydrated configuration"
1065 typeset -p CA LICENSE CERTDIR CHALLENGETYPE DOMAINS_D DOMAINS_TXT HOOK HOOK_CHAIN RENEW_DAYS ACCOUNT_KEY ACCOUNT_KEY_JSON KEYSIZE WELLKNOWN PRIVATE_KEY_RENEW OPENSSL_CNF CONTACT_EMAIL LOCKFILE
1068 # Main method (parses script arguments and calls command_* methods)
1072 [[ -z "${COMMAND}" ]] || _exiterr "Only one command can be executed at a time. See help (-h) for more information."
1076 check_parameters() {
1077 if [[ -z "${1:-}" ]]; then
1078 echo "The specified command requires additional parameters. See help:" >&2
1082 elif [[ "${1:0:1}" = "-" ]]; then
1083 _exiterr "Invalid argument: ${1}"
1087 [[ -z "${@}" ]] && eval set -- "--help"
1089 while (( ${#} )); do
1101 set_command sign_domains
1105 set_command register
1108 # PARAM_Usage: --accept-terms
1109 # PARAM_Description: Accept CAs terms of service
1111 PARAM_ACCEPT_TERMS="yes"
1116 set_command sign_csr
1117 check_parameters "${1:-}"
1124 check_parameters "${1:-}"
1125 PARAM_REVOKECERT="${1}"
1132 # PARAM_Usage: --full-chain (-fc)
1133 # PARAM_Description: Print full chain when using --signcsr
1135 PARAM_FULL_CHAIN="1"
1138 # PARAM_Usage: --ipv4 (-4)
1139 # PARAM_Description: Resolve names to IPv4 addresses only
1141 PARAM_IP_VERSION="4"
1144 # PARAM_Usage: --ipv6 (-6)
1145 # PARAM_Description: Resolve names to IPv6 addresses only
1147 PARAM_IP_VERSION="6"
1150 # PARAM_Usage: --domain (-d) domain.tld
1151 # PARAM_Description: Use specified domain name(s) instead of domains.txt entry (one certificate!)
1154 check_parameters "${1:-}"
1155 if [[ -z "${PARAM_DOMAIN:-}" ]]; then
1158 PARAM_DOMAIN="${PARAM_DOMAIN} ${1}"
1162 # PARAM_Usage: --keep-going (-g)
1163 # PARAM_Description: Keep going after encountering an error while creating/renewing multiple certificates in cron mode
1165 PARAM_KEEP_GOING="yes"
1168 # PARAM_Usage: --force (-x)
1169 # PARAM_Description: Force renew of certificate even if it is longer valid than value in RENEW_DAYS
1174 # PARAM_Usage: --no-lock (-n)
1175 # PARAM_Description: Don't use lockfile (potentially dangerous!)
1180 # PARAM_Usage: --lock-suffix example.com
1181 # PARAM_Description: Suffix lockfile name with a string (useful for with -d)
1184 check_parameters "${1:-}"
1185 PARAM_LOCKFILE_SUFFIX="${1}"
1188 # PARAM_Usage: --ocsp
1189 # PARAM_Description: Sets option in CSR indicating OCSP stapling to be mandatory
1191 PARAM_OCSP_MUST_STAPLE="yes"
1194 # PARAM_Usage: --privkey (-p) path/to/key.pem
1195 # PARAM_Description: Use specified private key instead of account key (useful for revocation)
1198 check_parameters "${1:-}"
1199 PARAM_ACCOUNT_KEY="${1}"
1202 # PARAM_Usage: --config (-f) path/to/config
1203 # PARAM_Description: Use specified config file
1206 check_parameters "${1:-}"
1210 # PARAM_Usage: --hook (-k) path/to/hook.sh
1211 # PARAM_Description: Use specified script for hooks
1214 check_parameters "${1:-}"
1218 # PARAM_Usage: --out (-o) certs/directory
1219 # PARAM_Description: Output certificates into the specified directory
1222 check_parameters "${1:-}"
1223 PARAM_CERTDIR="${1}"
1226 # PARAM_Usage: --challenge (-t) http-01|dns-01
1227 # PARAM_Description: Which challenge should be used? Currently http-01 and dns-01 are supported
1230 check_parameters "${1:-}"
1231 PARAM_CHALLENGETYPE="${1}"
1234 # PARAM_Usage: --algo (-a) rsa|prime256v1|secp384r1
1235 # PARAM_Description: Which public key algorithm should be used? Supported: rsa, prime256v1 and secp384r1
1238 check_parameters "${1:-}"
1239 PARAM_KEY_ALGO="${1}"
1243 echo "Unknown parameter detected: ${1}" >&2
1253 case "${COMMAND}" in
1255 sign_domains) command_sign_domains;;
1256 register) command_register;;
1257 sign_csr) command_sign_csr "${PARAM_CSR}";;
1258 revoke) command_revoke "${PARAM_REVOKECERT}";;
1259 cleanup) command_cleanup;;
1260 *) command_help; exit 1;;
1267 # Check for missing dependencies