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acme.sh/deploy/haproxy.sh

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#!/usr/bin/env sh
# Script for acme.sh to deploy certificates to haproxy
#
# The following variables can be exported:
#
# export DEPLOY_HAPROXY_PEM_NAME="${domain}.pem"
#
# Defines the name of the PEM file.
# Defaults to "<domain>.pem"
#
# export DEPLOY_HAPROXY_PEM_PATH="/etc/haproxy"
#
# Defines location of PEM file for HAProxy.
# Defaults to /etc/haproxy
#
# export DEPLOY_HAPROXY_RELOAD="systemctl reload haproxy"
#
# OPTIONAL: Reload command used post deploy
# This defaults to be a no-op (ie "true").
# It is strongly recommended to set this something that makes sense
# for your distro.
#
# export DEPLOY_HAPROXY_ISSUER="no"
#
# OPTIONAL: Places CA file as "${DEPLOY_HAPROXY_PEM}.issuer"
# Note: Required for OCSP stapling to work
#
# export DEPLOY_HAPROXY_BUNDLE="no"
#
# OPTIONAL: Deploy this certificate as part of a multi-cert bundle
# This adds a suffix to the certificate based on the certificate type
# eg RSA certificates will have .rsa as a suffix to the file name
# HAProxy will load all certificates and provide one or the other
# depending on client capabilities
# Note: This functionality requires HAProxy was compiled against
# a version of OpenSSL that supports this.
#
# export DEPLOY_HAPROXY_HOT_UPDATE="yes"
# export DEPLOY_HAPROXY_STATS_SOCKET="UNIX:/run/haproxy/admin.sock"
#
# OPTIONAL: Deploy the certificate over the HAProxy stats socket without
# needing to reload HAProxy. Default is "no".
#
# Require the socat binary. DEPLOY_HAPROXY_STATS_SOCKET variable uses the socat
# address format.
#
# export DEPLOY_HAPROXY_MASTER_CLI="UNIX:/run/haproxy-master.sock"
#
# OPTIONAL: To use the master CLI with DEPLOY_HAPROXY_HOT_UPDATE="yes" instead
# of a stats socket, use this variable.
######## Public functions #####################
#domain keyfile certfile cafile fullchain
haproxy_deploy() {
_cdomain="$1"
_ckey="$2"
_ccert="$3"
_cca="$4"
_cfullchain="$5"
_cmdpfx=""
# Some defaults
DEPLOY_HAPROXY_PEM_PATH_DEFAULT="/etc/haproxy"
DEPLOY_HAPROXY_PEM_NAME_DEFAULT="${_cdomain}.pem"
DEPLOY_HAPROXY_BUNDLE_DEFAULT="no"
DEPLOY_HAPROXY_ISSUER_DEFAULT="no"
DEPLOY_HAPROXY_RELOAD_DEFAULT="true"
DEPLOY_HAPROXY_HOT_UPDATE_DEFAULT="no"
DEPLOY_HAPROXY_STATS_SOCKET_DEFAULT="UNIX:/run/haproxy/admin.sock"
_debug _cdomain "${_cdomain}"
_debug _ckey "${_ckey}"
_debug _ccert "${_ccert}"
_debug _cca "${_cca}"
_debug _cfullchain "${_cfullchain}"
# PEM_PATH is optional. If not provided then assume "${DEPLOY_HAPROXY_PEM_PATH_DEFAULT}"
_getdeployconf DEPLOY_HAPROXY_PEM_PATH
_debug2 DEPLOY_HAPROXY_PEM_PATH "${DEPLOY_HAPROXY_PEM_PATH}"
if [ -n "${DEPLOY_HAPROXY_PEM_PATH}" ]; then
Le_Deploy_haproxy_pem_path="${DEPLOY_HAPROXY_PEM_PATH}"
_savedomainconf Le_Deploy_haproxy_pem_path "${Le_Deploy_haproxy_pem_path}"
elif [ -z "${Le_Deploy_haproxy_pem_path}" ]; then
Le_Deploy_haproxy_pem_path="${DEPLOY_HAPROXY_PEM_PATH_DEFAULT}"
fi
# Ensure PEM_PATH exists
if [ -d "${Le_Deploy_haproxy_pem_path}" ]; then
_debug "PEM_PATH ${Le_Deploy_haproxy_pem_path} exists"
else
_err "PEM_PATH ${Le_Deploy_haproxy_pem_path} does not exist"
return 1
fi
# PEM_NAME is optional. If not provided then assume "${DEPLOY_HAPROXY_PEM_NAME_DEFAULT}"
_getdeployconf DEPLOY_HAPROXY_PEM_NAME
_debug2 DEPLOY_HAPROXY_PEM_NAME "${DEPLOY_HAPROXY_PEM_NAME}"
if [ -n "${DEPLOY_HAPROXY_PEM_NAME}" ]; then
Le_Deploy_haproxy_pem_name="${DEPLOY_HAPROXY_PEM_NAME}"
_savedomainconf Le_Deploy_haproxy_pem_name "${Le_Deploy_haproxy_pem_name}"
elif [ -z "${Le_Deploy_haproxy_pem_name}" ]; then
Le_Deploy_haproxy_pem_name="${DEPLOY_HAPROXY_PEM_NAME_DEFAULT}"
# We better not have '*' as the first character
if [ "${Le_Deploy_haproxy_pem_name%%"${Le_Deploy_haproxy_pem_name#?}"}" = '*' ]; then
# removes the first characters and add a _ instead
Le_Deploy_haproxy_pem_name="_${Le_Deploy_haproxy_pem_name#?}"
fi
fi
# BUNDLE is optional. If not provided then assume "${DEPLOY_HAPROXY_BUNDLE_DEFAULT}"
_getdeployconf DEPLOY_HAPROXY_BUNDLE
_debug2 DEPLOY_HAPROXY_BUNDLE "${DEPLOY_HAPROXY_BUNDLE}"
if [ -n "${DEPLOY_HAPROXY_BUNDLE}" ]; then
Le_Deploy_haproxy_bundle="${DEPLOY_HAPROXY_BUNDLE}"
_savedomainconf Le_Deploy_haproxy_bundle "${Le_Deploy_haproxy_bundle}"
elif [ -z "${Le_Deploy_haproxy_bundle}" ]; then
Le_Deploy_haproxy_bundle="${DEPLOY_HAPROXY_BUNDLE_DEFAULT}"
fi
# ISSUER is optional. If not provided then assume "${DEPLOY_HAPROXY_ISSUER_DEFAULT}"
_getdeployconf DEPLOY_HAPROXY_ISSUER
_debug2 DEPLOY_HAPROXY_ISSUER "${DEPLOY_HAPROXY_ISSUER}"
if [ -n "${DEPLOY_HAPROXY_ISSUER}" ]; then
Le_Deploy_haproxy_issuer="${DEPLOY_HAPROXY_ISSUER}"
_savedomainconf Le_Deploy_haproxy_issuer "${Le_Deploy_haproxy_issuer}"
elif [ -z "${Le_Deploy_haproxy_issuer}" ]; then
Le_Deploy_haproxy_issuer="${DEPLOY_HAPROXY_ISSUER_DEFAULT}"
fi
# RELOAD is optional. If not provided then assume "${DEPLOY_HAPROXY_RELOAD_DEFAULT}"
_getdeployconf DEPLOY_HAPROXY_RELOAD
_debug2 DEPLOY_HAPROXY_RELOAD "${DEPLOY_HAPROXY_RELOAD}"
if [ -n "${DEPLOY_HAPROXY_RELOAD}" ]; then
Le_Deploy_haproxy_reload="${DEPLOY_HAPROXY_RELOAD}"
_savedomainconf Le_Deploy_haproxy_reload "${Le_Deploy_haproxy_reload}"
elif [ -z "${Le_Deploy_haproxy_reload}" ]; then
Le_Deploy_haproxy_reload="${DEPLOY_HAPROXY_RELOAD_DEFAULT}"
fi
# HOT_UPDATE is optional. If not provided then assume "${DEPLOY_HAPROXY_HOT_UPDATE_DEFAULT}"
_getdeployconf DEPLOY_HAPROXY_HOT_UPDATE
_debug2 DEPLOY_HAPROXY_HOT_UPDATE "${DEPLOY_HAPROXY_HOT_UPDATE}"
if [ -n "${DEPLOY_HAPROXY_HOT_UPDATE}" ]; then
Le_Deploy_haproxy_hot_update="${DEPLOY_HAPROXY_HOT_UPDATE}"
_savedomainconf Le_Deploy_haproxy_hot_update "${Le_Deploy_haproxy_hot_update}"
elif [ -z "${Le_Deploy_haproxy_hot_update}" ]; then
Le_Deploy_haproxy_hot_update="${DEPLOY_HAPROXY_HOT_UPDATE_DEFAULT}"
fi
# STATS_SOCKET is optional. If not provided then assume "${DEPLOY_HAPROXY_STATS_SOCKET_DEFAULT}"
_getdeployconf DEPLOY_HAPROXY_STATS_SOCKET
_debug2 DEPLOY_HAPROXY_STATS_SOCKET "${DEPLOY_HAPROXY_STATS_SOCKET}"
if [ -n "${DEPLOY_HAPROXY_STATS_SOCKET}" ]; then
Le_Deploy_haproxy_stats_socket="${DEPLOY_HAPROXY_STATS_SOCKET}"
_savedomainconf Le_Deploy_haproxy_stats_socket "${Le_Deploy_haproxy_stats_socket}"
elif [ -z "${Le_Deploy_haproxy_stats_socket}" ]; then
Le_Deploy_haproxy_stats_socket="${DEPLOY_HAPROXY_STATS_SOCKET_DEFAULT}"
fi
# MASTER_CLI is optional. No defaults are used. When the master CLI is used,
# all commands are sent with a prefix.
_getdeployconf DEPLOY_HAPROXY_MASTER_CLI
_debug2 DEPLOY_HAPROXY_MASTER_CLI "${DEPLOY_HAPROXY_MASTER_CLI}"
if [ -n "${DEPLOY_HAPROXY_MASTER_CLI}" ]; then
Le_Deploy_haproxy_stats_socket="${DEPLOY_HAPROXY_MASTER_CLI}"
_savedomainconf Le_Deploy_haproxy_stats_socket "${Le_Deploy_haproxy_stats_socket}"
_cmdpfx="@1 " # command prefix used for master CLI only.
fi
# Set the suffix depending if we are creating a bundle or not
if [ "${Le_Deploy_haproxy_bundle}" = "yes" ]; then
_info "Bundle creation requested"
# Initialise $Le_Keylength if its not already set
if [ -z "${Le_Keylength}" ]; then
Le_Keylength=""
fi
if _isEccKey "${Le_Keylength}"; then
_info "ECC key type detected"
_suffix=".ecdsa"
else
_info "RSA key type detected"
_suffix=".rsa"
fi
else
_suffix=""
fi
_debug _suffix "${_suffix}"
# Set variables for later
_pem="${Le_Deploy_haproxy_pem_path}/${Le_Deploy_haproxy_pem_name}${_suffix}"
_issuer="${_pem}.issuer"
_ocsp="${_pem}.ocsp"
_reload="${Le_Deploy_haproxy_reload}"
_statssock="${Le_Deploy_haproxy_stats_socket}"
_info "Deploying PEM file"
# Create a temporary PEM file
_temppem="$(_mktemp)"
_debug _temppem "${_temppem}"
cat "${_ccert}" "${_cca}" "${_ckey}" | grep . >"${_temppem}"
_ret="$?"
# Check that we could create the temporary file
if [ "${_ret}" != "0" ]; then
_err "Error code ${_ret} returned during PEM file creation"
[ -f "${_temppem}" ] && rm -f "${_temppem}"
return ${_ret}
fi
# Move PEM file into place
_info "Moving new certificate into place"
_debug _pem "${_pem}"
cat "${_temppem}" >"${_pem}"
_ret=$?
# Clean up temp file
[ -f "${_temppem}" ] && rm -f "${_temppem}"
# Deal with any failure of moving PEM file into place
if [ "${_ret}" != "0" ]; then
_err "Error code ${_ret} returned while moving new certificate into place"
return ${_ret}
fi
# Update .issuer file if requested
if [ "${Le_Deploy_haproxy_issuer}" = "yes" ]; then
_info "Updating .issuer file"
_debug _issuer "${_issuer}"
cat "${_cca}" >"${_issuer}"
_ret="$?"
if [ "${_ret}" != "0" ]; then
_err "Error code ${_ret} returned while copying issuer/CA certificate into place"
return ${_ret}
fi
else
[ -f "${_issuer}" ] && _err "Issuer file update not requested but .issuer file exists"
fi
# Update .ocsp file if certificate was requested with --ocsp/--ocsp-must-staple option
if [ -z "${Le_OCSP_Staple}" ]; then
Le_OCSP_Staple="0"
fi
if [ "${Le_OCSP_Staple}" = "1" ]; then
_info "Updating OCSP stapling info"
_debug _ocsp "${_ocsp}"
_info "Extracting OCSP URL"
_ocsp_url=$(${ACME_OPENSSL_BIN:-openssl} x509 -noout -ocsp_uri -in "${_pem}")
_debug _ocsp_url "${_ocsp_url}"
# Only process OCSP if URL was present
if [ "${_ocsp_url}" != "" ]; then
# Extract the hostname from the OCSP URL
_info "Extracting OCSP URL"
_ocsp_host=$(echo "${_ocsp_url}" | cut -d/ -f3)
_debug _ocsp_host "${_ocsp_host}"
# Only process the certificate if we have a .issuer file
if [ -r "${_issuer}" ]; then
# Check if issuer cert is also a root CA cert
_subjectdn=$(${ACME_OPENSSL_BIN:-openssl} x509 -in "${_issuer}" -subject -noout | cut -d'/' -f2,3,4,5,6,7,8,9,10)
_debug _subjectdn "${_subjectdn}"
_issuerdn=$(${ACME_OPENSSL_BIN:-openssl} x509 -in "${_issuer}" -issuer -noout | cut -d'/' -f2,3,4,5,6,7,8,9,10)
_debug _issuerdn "${_issuerdn}"
_info "Requesting OCSP response"
# If the issuer is a CA cert then our command line has "-CAfile" added
if [ "${_subjectdn}" = "${_issuerdn}" ]; then
_cafile_argument="-CAfile \"${_issuer}\""
else
_cafile_argument=""
fi
_debug _cafile_argument "${_cafile_argument}"
# if OpenSSL/LibreSSL is v1.1 or above, the format for the -header option has changed
_openssl_version=$(${ACME_OPENSSL_BIN:-openssl} version | cut -d' ' -f2)
_debug _openssl_version "${_openssl_version}"
_openssl_major=$(echo "${_openssl_version}" | cut -d '.' -f1)
_openssl_minor=$(echo "${_openssl_version}" | cut -d '.' -f2)
if [ "${_openssl_major}" -eq "1" ] && [ "${_openssl_minor}" -ge "1" ] || [ "${_openssl_major}" -ge "2" ]; then
_header_sep="="
else
_header_sep=" "
fi
# Request the OCSP response from the issuer and store it
_openssl_ocsp_cmd="${ACME_OPENSSL_BIN:-openssl} ocsp \
-issuer \"${_issuer}\" \
-cert \"${_pem}\" \
-url \"${_ocsp_url}\" \
-header Host${_header_sep}\"${_ocsp_host}\" \
-respout \"${_ocsp}\" \
-verify_other \"${_issuer}\" \
${_cafile_argument} \
| grep -q \"${_pem}: good\""
_debug _openssl_ocsp_cmd "${_openssl_ocsp_cmd}"
eval "${_openssl_ocsp_cmd}"
_ret=$?
else
# Non fatal: No issuer file was present so no OCSP stapling file created
_err "OCSP stapling in use but no .issuer file was present"
fi
else
# Non fatal: No OCSP url was found int the certificate
_err "OCSP update requested but no OCSP URL was found in certificate"
fi
# Non fatal: Check return code of openssl command
if [ "${_ret}" != "0" ]; then
_err "Updating OCSP stapling failed with return code ${_ret}"
fi
else
# An OCSP file was already present but certificate did not have OCSP extension
if [ -f "${_ocsp}" ]; then
_err "OCSP was not requested but .ocsp file exists."
# Could remove the file at this step, although HAProxy just ignores it in this case
# rm -f "${_ocsp}" || _err "Problem removing stale .ocsp file"
fi
fi
if [ "${Le_Deploy_haproxy_hot_update}" = "yes" ]; then
# set the socket name for messages
if [ -n "${_cmdpfx}" ]; then
_socketname="master CLI"
else
_socketname="stats socket"
fi
# Update certificate over HAProxy stats socket or master CLI.
if _exists socat; then
# look for the certificate on the stats socket, to chose between updating or creating one
_socat_cert_cmd="echo '${_cmdpfx}show ssl cert' | socat '${_statssock}' - | grep -q '^${_pem}$'"
_debug _socat_cert_cmd "${_socat_cert_cmd}"
eval "${_socat_cert_cmd}"
_ret=$?
if [ "${_ret}" != "0" ]; then
_newcert="1"
_info "Creating new certificate '${_pem}' over HAProxy ${_socketname}."
# certificate wasn't found, it's a new one. We should check if the crt-list exists and creates/inserts the certificate.
_socat_crtlist_show_cmd="echo '${_cmdpfx}show ssl crt-list' | socat '${_statssock}' - | grep -q '^${Le_Deploy_haproxy_pem_path}$'"
_debug _socat_crtlist_show_cmd "${_socat_crtlist_show_cmd}"
eval "${_socat_crtlist_show_cmd}"
_ret=$?
if [ "${_ret}" != "0" ]; then
_err "Couldn't find '${Le_Deploy_haproxy_pem_path}' in haproxy 'show ssl crt-list'"
return "${_ret}"
fi
# create a new certificate
_socat_new_cmd="echo '${_cmdpfx}new ssl cert ${_pem}' | socat '${_statssock}' - | grep -q 'New empty'"
_debug _socat_new_cmd "${_socat_new_cmd}"
eval "${_socat_new_cmd}"
_ret=$?
if [ "${_ret}" != "0" ]; then
_err "Couldn't create '${_pem}' in haproxy"
return "${_ret}"
fi
else
_info "Update existing certificate '${_pem}' over HAProxy ${_socketname}."
fi
_socat_cert_set_cmd="echo -e '${_cmdpfx}set ssl cert ${_pem} <<\n$(cat "${_pem}")\n' | socat '${_statssock}' - | grep -q 'Transaction created'"
_debug _socat_cert_set_cmd "${_socat_cert_set_cmd}"
eval "${_socat_cert_set_cmd}"
_ret=$?
if [ "${_ret}" != "0" ]; then
_err "Can't update '${_pem}' in haproxy"
return "${_ret}"
fi
_socat_cert_commit_cmd="echo '${_cmdpfx}commit ssl cert ${_pem}' | socat '${_statssock}' - | grep -q '^Success!$'"
_debug _socat_cert_commit_cmd "${_socat_cert_commit_cmd}"
eval "${_socat_cert_commit_cmd}"
_ret=$?
if [ "${_ret}" != "0" ]; then
_err "Can't commit '${_pem}' in haproxy"
return ${_ret}
fi
if [ "${_newcert}" = "1" ]; then
# if this is a new certificate, it needs to be inserted into the crt-list`
_socat_cert_add_cmd="echo '${_cmdpfx}add ssl crt-list ${Le_Deploy_haproxy_pem_path} ${_pem}' | socat '${_statssock}' - | grep -q 'Success!'"
_debug _socat_cert_add_cmd "${_socat_cert_add_cmd}"
eval "${_socat_cert_add_cmd}"
_ret=$?
if [ "${_ret}" != "0" ]; then
_err "Can't update '${_pem}' in haproxy"
return "${_ret}"
fi
fi
else
_err "'socat' is not available, couldn't update over ${_socketname}"
fi
else
# Reload HAProxy
_debug _reload "${_reload}"
eval "${_reload}"
_ret=$?
if [ "${_ret}" != "0" ]; then
_err "Error code ${_ret} during reload"
return ${_ret}
else
_info "Reload successful"
fi
fi
return 0
}