94 lines
3.1 KiB
Bash
94 lines
3.1 KiB
Bash
#!/bin/sh
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error() {
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>&2 echo "${PROGNAME}: $1"
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exit 1
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}
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debug() {
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if [ "${VERBOSE}" = "1" ] && [ "${QUIET}" != "1" ]; then
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>&2 echo "${PROGNAME}: $1"
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fi
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}
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daemon_found_and_running() {
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test -n "$(pidof haproxy)" && test -n "${haproxy_bin}"
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}
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found_renewed_lineage() {
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test -f "${RENEWED_LINEAGE}/fullchain.pem" && test -f "${RENEWED_LINEAGE}/privkey.pem"
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}
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config_check() {
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${haproxy_bin} -c -f "${haproxy_config_file}" > /dev/null 2>&1
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}
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concat_files() {
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# shellcheck disable=SC2174
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mkdir --mode=700 --parents "${haproxy_cert_dir}"
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chown root: "${haproxy_cert_dir}"
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debug "Concatenating certificate files to ${haproxy_cert_file}"
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cat "${RENEWED_LINEAGE}/fullchain.pem" "${RENEWED_LINEAGE}/privkey.pem" > "${haproxy_cert_file}"
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chmod 600 "${haproxy_cert_file}"
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chown root: "${haproxy_cert_file}"
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}
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cert_and_key_mismatch() {
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haproxy_cert_md5=$(openssl x509 -noout -modulus -in "${haproxy_cert_file}" | openssl md5)
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haproxy_key_md5=$(openssl rsa -noout -modulus -in "${haproxy_cert_file}" | openssl md5)
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test "${haproxy_cert_md5}" != "${haproxy_key_md5}"
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}
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detect_haproxy_cert_dir() {
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# get last field or line wich defines the crt directory
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config_cert_dir=$(grep -r -o -E -h '^\s*bind .* crt /etc/\S+' "${haproxy_config_file}" | head -1 | awk '{ print $(NF)}')
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if [ -n "${config_cert_dir}" ]; then
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debug "Cert directory is configured with ${config_cert_dir}"
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echo "${config_cert_dir}"
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elif [ -d "/etc/haproxy/ssl" ]; then
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debug "No configured cert directory found, but /etc/haproxy/ssl exists"
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echo "/etc/haproxy/ssl"
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elif [ -d "/etc/ssl/haproxy" ]; then
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debug "No configured cert directory found, but /etc/ssl/haproxy exists"
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echo "/etc/ssl/haproxy"
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else
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error "Cert directory not found."
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fi
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}
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main() {
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if [ -z "${RENEWED_LINEAGE}" ]; then
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error "This script must be called only by certbot!"
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fi
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if daemon_found_and_running; then
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readonly haproxy_config_file="/etc/haproxy/haproxy.cfg"
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readonly haproxy_cert_dir=$(detect_haproxy_cert_dir)
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if found_renewed_lineage; then
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haproxy_cert_file="${haproxy_cert_dir}/$(basename "${RENEWED_LINEAGE}").pem"
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failed_cert_file="/root/$(basename "${RENEWED_LINEAGE}").failed.pem"
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concat_files
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if cert_and_key_mismatch; then
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mv "${haproxy_cert_file}" "${failed_cert_file}"
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error "Key and cert don't match, we moved the file to ${failed_cert_file} for inspection"
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fi
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if config_check; then
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debug "HAProxy detected... reloading"
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systemctl reload haproxy
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else
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error "HAProxy config is broken, you must fix it !"
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fi
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else
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error "Couldn't find ${RENEWED_LINEAGE}/fullchain.pem or ${RENEWED_LINEAGE}/privkey.pem"
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fi
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else
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debug "HAProxy is not running or missing. Skip."
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fi
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}
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readonly PROGNAME=$(basename "$0")
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readonly VERBOSE=${VERBOSE:-"0"}
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readonly QUIET=${QUIET:-"0"}
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readonly haproxy_bin=$(command -v haproxy)
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main
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