| # Sample dhcpcd hook script for ntp |
| # Like our resolv.conf hook script, we store a database of ntp.conf files |
| # and merge into /etc/ntp.conf |
| |
| # Detect OpenRC or BSD rc |
| # Distributions may want to just have their command here instead of this |
| if type rc-service >/dev/null 2>&1 && rc-service --exists ntpd; then |
| ntpd_restart_cmd="rc-service ntpd -- --ifstarted --quiet restart" |
| elif [ -x /etc/rc.d/ntpd ]; then |
| ntpd_restart_cmd="/etc/rc.d/ntpd restart" |
| elif [ -x /usr/local/etc/rc.d/ntpd ]; then |
| ntpd_restart_cmd="/usr/local/etc/rc.d/ntpd restart" |
| fi |
| |
| ntp_conf_dir="${state_dir}/ntp.conf" |
| |
| build_ntp_conf() |
| { |
| local cf="/etc/ntp.conf.${interface}" |
| local interfaces= header= srvs= servers= x= |
| |
| # Build a list of interfaces |
| interfaces=$(list_interfaces "${ntp_conf_dir}") |
| |
| if [ -n "${interfaces}" ]; then |
| # Build the header |
| for x in ${interfaces}; do |
| header="${header}${header:+, }${x}" |
| done |
| |
| # Build a server list |
| srvs=$(cd "${ntp_conf_dir}"; |
| key_get_value "server " ${interfaces}) |
| if [ -n "${srvs}" ]; then |
| for x in $(uniqify ${srvs}); do |
| servers="${servers}server ${x}\n" |
| done |
| fi |
| fi |
| |
| # Merge our config into ntp.conf |
| [ -e "${cf}" ] && rm -f "${cf}" |
| remove_markers "${signature_base}" "${signature_base_end}" \ |
| /etc/ntp.conf > "${cf}" |
| if [ -n "${servers}" ]; then |
| echo "${signature_base}${header:+ ${from} }${header}" >> "${cf}" |
| printf "${search}${servers}" >> "${cf}" |
| echo "${signature_base_end}${header:+ ${from} }${header}" >> "${cf}" |
| fi |
| |
| # If we changed anything, restart ntpd |
| if change_file /etc/ntp.conf "${cf}"; then |
| [ -n "${ntpd_restart_cmd}" ] && ${ntpd_restart_cmd} |
| fi |
| } |
| |
| add_ntp_conf() |
| { |
| local cf="${ntp_conf_dir}/${interface}" x= |
| |
| [ -e "${cf}" ] && rm "${cf}" |
| [ -d "${ntp_conf_dir}" ] || mkdir -p "${ntp_conf_dir}" |
| if [ -n "${new_ntp_servers}" ]; then |
| for x in ${new_ntp_servers}; do |
| echo "server ${x}" >> "${cf}" |
| done |
| fi |
| build_ntp_conf |
| } |
| |
| remove_ntp_conf() |
| { |
| if [ -e "${ntp_conf_dir}/${interface}" ]; then |
| rm "${ntp_conf_dir}/${interface}" |
| fi |
| build_ntp_conf |
| } |
| |
| case "${reason}" in |
| BOUND|INFORM|REBIND|REBOOT|RENEW|TIMEOUT) add_ntp_conf add;; |
| PREINIT|EXPIRE|FAIL|IPV4LL|RELEASE|STOP) remove_ntp_conf del;; |
| esac |