17827cba2SAaron LI# Sample dhcpcd hook script for NTP 27827cba2SAaron LI# It will configure either one of NTP, OpenNTP or Chrony (in that order) 37827cba2SAaron LI# and will default to NTP if no default config is found. 47827cba2SAaron LI 57827cba2SAaron LI# Like our resolv.conf hook script, we store a database of ntp.conf files 67827cba2SAaron LI# and merge into /etc/ntp.conf 77827cba2SAaron LI 87827cba2SAaron LI# You can set the env var NTP_CONF to override the derived default on 97827cba2SAaron LI# systems with >1 NTP client installed. 107827cba2SAaron LI# Here is an example for OpenNTP 117827cba2SAaron LI# dhcpcd -e NTP_CONF=/usr/pkg/etc/ntpd.conf 127827cba2SAaron LI# or by adding this to /etc/dhcpcd.conf 137827cba2SAaron LI# env NTP_CONF=/usr/pkg/etc/ntpd.conf 147827cba2SAaron LI# or by adding this to /etc/dhcpcd.enter-hook 157827cba2SAaron LI# NTP_CONF=/usr/pkg/etc/ntpd.conf 167827cba2SAaron LI# To use Chrony instead, simply change ntpd.conf to chrony.conf in the 177827cba2SAaron LI# above examples. 187827cba2SAaron LI 197827cba2SAaron LI: ${ntp_confs:=ntp.conf ntpd.conf chrony.conf} 207827cba2SAaron LI: ${ntp_conf_dirs=/etc /usr/pkg/etc /usr/local/etc} 217827cba2SAaron LIntp_conf_dir="$state_dir/ntp.conf" 227827cba2SAaron LI 237827cba2SAaron LI# If NTP_CONF is not set, work out a good default 247827cba2SAaron LIif [ -z "$NTP_CONF" ]; then 257827cba2SAaron LI for d in ${ntp_conf_dirs}; do 267827cba2SAaron LI for f in ${ntp_confs}; do 277827cba2SAaron LI if [ -e "$d/$f" ]; then 287827cba2SAaron LI NTP_CONF="$d/$f" 297827cba2SAaron LI break 2 307827cba2SAaron LI fi 317827cba2SAaron LI done 327827cba2SAaron LI done 337827cba2SAaron LI [ -e "$NTP_CONF" ] || NTP_CONF=/etc/ntp.conf 347827cba2SAaron LIfi 357827cba2SAaron LI 367827cba2SAaron LI# Derive service name from configuration 377827cba2SAaron LIif [ -z "$ntp_service" ]; then 387827cba2SAaron LI case "$NTP_CONF" in 397827cba2SAaron LI *chrony.conf) ntp_service=chronyd;; 407827cba2SAaron LI *) ntp_service=ntpd;; 417827cba2SAaron LI esac 427827cba2SAaron LIfi 437827cba2SAaron LI 446e63cc1fSRoy Marples# Debian has a separate file for DHCP config to avoid stamping on 457827cba2SAaron LI# the master. 46*80aa9461SRoy Marplesif [ "$ntp_service" = ntpd ] && command -v invoke-rc.d >/dev/null 2>&1; then 477827cba2SAaron LI [ -e /var/lib/ntp ] || mkdir /var/lib/ntp 487827cba2SAaron LI : ${ntp_service:=ntp} 497827cba2SAaron LI : ${NTP_DHCP_CONF:=/var/lib/ntp/ntp.conf.dhcp} 507827cba2SAaron LIfi 517827cba2SAaron LI 527827cba2SAaron LI: ${ntp_restart_cmd:=service_condcommand $ntp_service restart} 537827cba2SAaron LI 547827cba2SAaron LIntp_conf=${NTP_CONF} 557827cba2SAaron LINL=" 567827cba2SAaron LI" 577827cba2SAaron LI 587827cba2SAaron LIbuild_ntp_conf() 597827cba2SAaron LI{ 607827cba2SAaron LI cf="$state_dir/ntp.conf.$ifname" 617827cba2SAaron LI 627827cba2SAaron LI # Build a list of interfaces 637827cba2SAaron LI interfaces=$(list_interfaces "$ntp_conf_dir") 647827cba2SAaron LI 658d36e1dfSRoy Marples header= 667827cba2SAaron LI servers= 677827cba2SAaron LI if [ -n "$interfaces" ]; then 687827cba2SAaron LI # Build the header 697827cba2SAaron LI for x in ${interfaces}; do 707827cba2SAaron LI header="$header${header:+, }$x" 717827cba2SAaron LI done 727827cba2SAaron LI 737827cba2SAaron LI # Build a server list 747827cba2SAaron LI srvs=$(cd "$ntp_conf_dir"; 757827cba2SAaron LI key_get_value "server " $interfaces) 767827cba2SAaron LI if [ -n "$srvs" ]; then 777827cba2SAaron LI for x in $(uniqify $srvs); do 787827cba2SAaron LI servers="${servers}server $x$NL" 797827cba2SAaron LI done 807827cba2SAaron LI fi 817827cba2SAaron LI fi 827827cba2SAaron LI 837827cba2SAaron LI # Merge our config into ntp.conf 847827cba2SAaron LI [ -e "$cf" ] && rm -f "$cf" 857827cba2SAaron LI [ -d "$ntp_conf_dir" ] || mkdir -p "$ntp_conf_dir" 867827cba2SAaron LI 877827cba2SAaron LI if [ -n "$NTP_DHCP_CONF" ]; then 887827cba2SAaron LI [ -e "$ntp_conf" ] && cp "$ntp_conf" "$cf" 897827cba2SAaron LI ntp_conf="$NTP_DHCP_CONF" 907827cba2SAaron LI elif [ -e "$ntp_conf" ]; then 917827cba2SAaron LI remove_markers "$signature_base" "$signature_base_end" \ 927827cba2SAaron LI "$ntp_conf" > "$cf" 937827cba2SAaron LI fi 947827cba2SAaron LI 957827cba2SAaron LI if [ -n "$servers" ]; then 967827cba2SAaron LI echo "$signature_base${header:+ $from }$header" >> "$cf" 977827cba2SAaron LI printf %s "$servers" >> "$cf" 987827cba2SAaron LI echo "$signature_base_end${header:+ $from }$header" >> "$cf" 997827cba2SAaron LI else 1008d36e1dfSRoy Marples [ -e "$ntp_conf" ] && [ -e "$cf" ] || return 1017827cba2SAaron LI fi 1027827cba2SAaron LI 1037827cba2SAaron LI # If we changed anything, restart ntpd 1047827cba2SAaron LI if change_file "$ntp_conf" "$cf"; then 1057827cba2SAaron LI [ -n "$ntp_restart_cmd" ] && eval $ntp_restart_cmd 1067827cba2SAaron LI fi 1077827cba2SAaron LI} 1087827cba2SAaron LI 1097827cba2SAaron LIadd_ntp_conf() 1107827cba2SAaron LI{ 1117827cba2SAaron LI cf="$ntp_conf_dir/$ifname" 1127827cba2SAaron LI 1137827cba2SAaron LI [ -e "$cf" ] && rm "$cf" 1147827cba2SAaron LI [ -d "$ntp_conf_dir" ] || mkdir -p "$ntp_conf_dir" 1157827cba2SAaron LI if [ -n "$new_ntp_servers" ]; then 116*80aa9461SRoy Marples for x in $(uniqify $new_ntp_servers); do 1177827cba2SAaron LI echo "server $x" >> "$cf" 1187827cba2SAaron LI done 1197827cba2SAaron LI fi 1207827cba2SAaron LI build_ntp_conf 1217827cba2SAaron LI} 1227827cba2SAaron LI 1237827cba2SAaron LIremove_ntp_conf() 1247827cba2SAaron LI{ 1257827cba2SAaron LI if [ -e "$ntp_conf_dir/$ifname" ]; then 1267827cba2SAaron LI rm "$ntp_conf_dir/$ifname" 1277827cba2SAaron LI fi 1287827cba2SAaron LI build_ntp_conf 1297827cba2SAaron LI} 1307827cba2SAaron LI 1317827cba2SAaron LI# For ease of use, map DHCP6 names onto our DHCP4 names 1327827cba2SAaron LIcase "$reason" in 1337827cba2SAaron LIBOUND6|RENEW6|REBIND6|REBOOT6|INFORM6) 134*80aa9461SRoy Marples new_ntp_servers="$new_dhcp6_sntp_servers $new_dhcp6_ntp_server_addr $new_dhcp6_ntp_server_fqdn" 1357827cba2SAaron LI;; 1367827cba2SAaron LIesac 1377827cba2SAaron LI 138b2927f2bSRoy Marplesif $if_configured; then 1397827cba2SAaron LI if $if_up; then 1407827cba2SAaron LI add_ntp_conf 1417827cba2SAaron LI elif $if_down; then 1427827cba2SAaron LI remove_ntp_conf 1437827cba2SAaron LI fi 144b2927f2bSRoy Marplesfi 145