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276 lines
9.4 KiB
276 lines
9.4 KiB
#!/usr/bin/env sh
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# Script for acme.sh to deploy certificates to haproxy
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#
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# The following variables can be exported:
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#
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# export DEPLOY_HAPROXY_PEM_NAME="${domain}.pem"
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#
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# Defines the name of the PEM file.
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# Defaults to "<domain>.pem"
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#
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# export DEPLOY_HAPROXY_PEM_PATH="/etc/haproxy"
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#
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# Defines location of PEM file for HAProxy.
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# Defaults to /etc/haproxy
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#
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# export DEPLOY_HAPROXY_RELOAD="systemctl reload haproxy"
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#
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# OPTIONAL: Reload command used post deploy
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# This defaults to be a no-op (ie "true").
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# It is strongly recommended to set this something that makes sense
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# for your distro.
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#
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# export DEPLOY_HAPROXY_ISSUER="no"
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#
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# OPTIONAL: Places CA file as "${DEPLOY_HAPROXY_PEM}.issuer"
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# Note: Required for OCSP stapling to work
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#
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# export DEPLOY_HAPROXY_BUNDLE="no"
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#
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# OPTIONAL: Deploy this certificate as part of a multi-cert bundle
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# This adds a suffix to the certificate based on the certificate type
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# eg RSA certificates will have .rsa as a suffix to the file name
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# HAProxy will load all certificates and provide one or the other
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# depending on client capabilities
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# Note: This functionality requires HAProxy was compiled against
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# a version of OpenSSL that supports this.
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#
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######## Public functions #####################
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#domain keyfile certfile cafile fullchain
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haproxy_deploy() {
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_cdomain="$1"
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_ckey="$2"
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_ccert="$3"
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_cca="$4"
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_cfullchain="$5"
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# Some defaults
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DEPLOY_HAPROXY_PEM_PATH_DEFAULT="/etc/haproxy"
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DEPLOY_HAPROXY_PEM_NAME_DEFAULT="${_cdomain}.pem"
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DEPLOY_HAPROXY_BUNDLE_DEFAULT="no"
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DEPLOY_HAPROXY_ISSUER_DEFAULT="no"
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DEPLOY_HAPROXY_RELOAD_DEFAULT="true"
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if [ -f "${DOMAIN_CONF}" ]; then
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# shellcheck disable=SC1090
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. "${DOMAIN_CONF}"
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fi
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_debug _cdomain "${_cdomain}"
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_debug _ckey "${_ckey}"
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_debug _ccert "${_ccert}"
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_debug _cca "${_cca}"
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_debug _cfullchain "${_cfullchain}"
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# PEM_PATH is optional. If not provided then assume "${DEPLOY_HAPROXY_PEM_PATH_DEFAULT}"
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if [ -n "${DEPLOY_HAPROXY_PEM_PATH}" ]; then
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Le_Deploy_haproxy_pem_path="${DEPLOY_HAPROXY_PEM_PATH}"
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_savedomainconf Le_Deploy_haproxy_pem_path "${Le_Deploy_haproxy_pem_path}"
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elif [ -z "${Le_Deploy_haproxy_pem_path}" ]; then
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Le_Deploy_haproxy_pem_path="${DEPLOY_HAPROXY_PEM_PATH_DEFAULT}"
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fi
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# Ensure PEM_PATH exists
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if [ -d "${Le_Deploy_haproxy_pem_path}" ]; then
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_debug "PEM_PATH ${Le_Deploy_haproxy_pem_path} exists"
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else
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_err "PEM_PATH ${Le_Deploy_haproxy_pem_path} does not exist"
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return 1
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fi
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# PEM_NAME is optional. If not provided then assume "${DEPLOY_HAPROXY_PEM_NAME_DEFAULT}"
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if [ -n "${DEPLOY_HAPROXY_PEM_NAME}" ]; then
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Le_Deploy_haproxy_pem_name="${DEPLOY_HAPROXY_PEM_NAME}"
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_savedomainconf Le_Deploy_haproxy_pem_name "${Le_Deploy_haproxy_pem_name}"
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elif [ -z "${Le_Deploy_haproxy_pem_name}" ]; then
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Le_Deploy_haproxy_pem_name="${DEPLOY_HAPROXY_PEM_NAME_DEFAULT}"
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fi
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# BUNDLE is optional. If not provided then assume "${DEPLOY_HAPROXY_BUNDLE_DEFAULT}"
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if [ -n "${DEPLOY_HAPROXY_BUNDLE}" ]; then
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Le_Deploy_haproxy_bundle="${DEPLOY_HAPROXY_BUNDLE}"
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_savedomainconf Le_Deploy_haproxy_bundle "${Le_Deploy_haproxy_bundle}"
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elif [ -z "${Le_Deploy_haproxy_bundle}" ]; then
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Le_Deploy_haproxy_bundle="${DEPLOY_HAPROXY_BUNDLE_DEFAULT}"
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fi
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# ISSUER is optional. If not provided then assume "${DEPLOY_HAPROXY_ISSUER_DEFAULT}"
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if [ -n "${DEPLOY_HAPROXY_ISSUER}" ]; then
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Le_Deploy_haproxy_issuer="${DEPLOY_HAPROXY_ISSUER}"
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_savedomainconf Le_Deploy_haproxy_issuer "${Le_Deploy_haproxy_issuer}"
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elif [ -z "${Le_Deploy_haproxy_issuer}" ]; then
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Le_Deploy_haproxy_issuer="${DEPLOY_HAPROXY_ISSUER_DEFAULT}"
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fi
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# RELOAD is optional. If not provided then assume "${DEPLOY_HAPROXY_RELOAD_DEFAULT}"
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if [ -n "${DEPLOY_HAPROXY_RELOAD}" ]; then
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Le_Deploy_haproxy_reload="${DEPLOY_HAPROXY_RELOAD}"
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_savedomainconf Le_Deploy_haproxy_reload "${Le_Deploy_haproxy_reload}"
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elif [ -z "${Le_Deploy_haproxy_reload}" ]; then
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Le_Deploy_haproxy_reload="${DEPLOY_HAPROXY_RELOAD_DEFAULT}"
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fi
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# Set the suffix depending if we are creating a bundle or not
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if [ "${Le_Deploy_haproxy_bundle}" = "yes" ]; then
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_info "Bundle creation requested"
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# Initialise $Le_Keylength if its not already set
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if [ -z "${Le_Keylength}" ]; then
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Le_Keylength=""
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fi
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if _isEccKey "${Le_Keylength}"; then
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_info "ECC key type detected"
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_suffix=".ecdsa"
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else
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_info "RSA key type detected"
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_suffix=".rsa"
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fi
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else
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_suffix=""
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fi
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_debug _suffix "${_suffix}"
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# Set variables for later
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_pem="${Le_Deploy_haproxy_pem_path}/${Le_Deploy_haproxy_pem_name}${_suffix}"
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_issuer="${_pem}.issuer"
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_ocsp="${_pem}.ocsp"
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_reload="${Le_Deploy_haproxy_reload}"
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_info "Deploying PEM file"
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# Create a temporary PEM file
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_temppem="$(_mktemp)"
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_debug _temppem "${_temppem}"
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cat "${_ckey}" "${_ccert}" "${_cca}" >"${_temppem}"
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_ret="$?"
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# Check that we could create the temporary file
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if [ "${_ret}" != "0" ]; then
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_err "Error code ${_ret} returned during PEM file creation"
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[ -f "${_temppem}" ] && rm -f "${_temppem}"
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return ${_ret}
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fi
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# Move PEM file into place
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_info "Moving new certificate into place"
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_debug _pem "${_pem}"
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cat "${_temppem}" >"${_pem}"
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_ret=$?
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# Clean up temp file
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[ -f "${_temppem}" ] && rm -f "${_temppem}"
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# Deal with any failure of moving PEM file into place
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if [ "${_ret}" != "0" ]; then
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_err "Error code ${_ret} returned while moving new certificate into place"
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return ${_ret}
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fi
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# Update .issuer file if requested
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if [ "${Le_Deploy_haproxy_issuer}" = "yes" ]; then
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_info "Updating .issuer file"
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_debug _issuer "${_issuer}"
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cat "${_cca}" >"${_issuer}"
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_ret="$?"
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if [ "${_ret}" != "0" ]; then
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_err "Error code ${_ret} returned while copying issuer/CA certificate into place"
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return ${_ret}
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fi
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else
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[ -f "${_issuer}" ] && _err "Issuer file update not requested but .issuer file exists"
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fi
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# Update .ocsp file if certificate was requested with --ocsp/--ocsp-must-staple option
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if [ -z "${Le_OCSP_Staple}" ]; then
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Le_OCSP_Staple="0"
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fi
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if [ "${Le_OCSP_Staple}" = "1" ]; then
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_info "Updating OCSP stapling info"
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_debug _ocsp "${_ocsp}"
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_info "Extracting OCSP URL"
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_ocsp_url=$(openssl x509 -noout -ocsp_uri -in "${_pem}")
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_debug _ocsp_url "${_ocsp_url}"
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# Only process OCSP if URL was present
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if [ "${_ocsp_url}" != "" ]; then
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# Extract the hostname from the OCSP URL
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_info "Extracting OCSP URL"
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_ocsp_host=$(echo "${_ocsp_url}" | cut -d/ -f3)
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_debug _ocsp_host "${_ocsp_host}"
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# Only process the certificate if we have a .issuer file
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if [ -r "${_issuer}" ]; then
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# Check if issuer cert is also a root CA cert
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_subjectdn=$(openssl x509 -in "${_issuer}" -subject -noout | cut -d'/' -f2,3,4,5,6,7,8,9,10)
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_debug _subjectdn "${_subjectdn}"
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_issuerdn=$(openssl x509 -in "${_issuer}" -issuer -noout | cut -d'/' -f2,3,4,5,6,7,8,9,10)
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_debug _issuerdn "${_issuerdn}"
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_info "Requesting OCSP response"
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# If the issuer is a CA cert then our command line has "-CAfile" added
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if [ "${_subjectdn}" = "${_issuerdn}" ]; then
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_cafile_argument="-CAfile \"${_issuer}\""
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else
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_cafile_argument=""
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fi
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_debug _cafile_argument "${_cafile_argument}"
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# if OpenSSL/LibreSSL is v1.1 or above, the format for the -header option has changed
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_openssl_version=$(openssl version | cut -d' ' -f2)
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_debug _openssl_version "${_openssl_version}"
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_openssl_major=$(echo "${_openssl_version}" | cut -d '.' -f1)
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_openssl_minor=$(echo "${_openssl_version}" | cut -d '.' -f2)
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if [ "${_openssl_major}" -eq "1" ] && [ "${_openssl_minor}" -ge "1" ] || [ "${_openssl_major}" -ge "2" ]; then
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_header_sep="="
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else
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_header_sep=" "
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fi
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# Request the OCSP response from the issuer and store it
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_openssl_ocsp_cmd="openssl ocsp \
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-issuer \"${_issuer}\" \
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-cert \"${_pem}\" \
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-url \"${_ocsp_url}\" \
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-header Host${_header_sep}\"${_ocsp_host}\" \
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-respout \"${_ocsp}\" \
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-verify_other \"${_issuer}\" \
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-no_nonce \
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${_cafile_argument} \
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| grep -q \"${_pem}: good\""
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_debug _openssl_ocsp_cmd "${_openssl_ocsp_cmd}"
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eval "${_openssl_ocsp_cmd}"
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_ret=$?
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else
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# Non fatal: No issuer file was present so no OCSP stapling file created
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_err "OCSP stapling in use but no .issuer file was present"
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fi
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else
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# Non fatal: No OCSP url was found int the certificate
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_err "OCSP update requested but no OCSP URL was found in certificate"
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fi
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# Non fatal: Check return code of openssl command
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if [ "${_ret}" != "0" ]; then
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_err "Updating OCSP stapling failed with return code ${_ret}"
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fi
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else
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# An OCSP file was already present but certificate did not have OCSP extension
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if [ -f "${_ocsp}" ]; then
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_err "OCSP was not requested but .ocsp file exists."
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# Could remove the file at this step, although HAProxy just ignores it in this case
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# rm -f "${_ocsp}" || _err "Problem removing stale .ocsp file"
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fi
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fi
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# Reload HAProxy
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_debug _reload "${_reload}"
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eval "${_reload}"
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_ret=$?
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if [ "${_ret}" != "0" ]; then
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_err "Error code ${_ret} during reload"
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return ${_ret}
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else
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_info "Reload successful"
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fi
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return 0
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}
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