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contrib/dhcpcd/hooks/50-ypbind
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| # Sample dhcpcd hook for ypbind | |||||
| # This script is only suitable for the BSD versions. | |||||
| : ${ypbind_restart_cmd:=service_command ypbind restart} | |||||
| : ${ypbind_stop_cmd:=service_condcommand ypbind stop} | |||||
| ypbind_dir="$state_dir/ypbind" | |||||
| : ${ypdomain_dir:=} | |||||
| : ${ypdomain_suffix:=} | |||||
| best_domain() | |||||
| { | |||||
| for i in "$ypbind_dir/$interface_order".*; do | |||||
| if [ -f "$i" ]; then | |||||
| cat "$i" | |||||
| return 0 | |||||
| fi | |||||
| done | |||||
| return 1 | |||||
| } | |||||
| make_yp_binding() | |||||
| { | |||||
| [ -d "$ypbind_dir" ] || mkdir -p "$ypbind_dir" | |||||
| echo "$new_nis_domain" >"$ypbind_dir/$ifname" | |||||
| if [ -z "$ypdomain_dir" ]; then | |||||
| false | |||||
| else | |||||
| cf="$ypdomain_dir/$new_nis_domain$ypdomain_suffix" | |||||
| if [ -n "$new_nis_servers" ]; then | |||||
| ncf="$cf.$ifname" | |||||
| rm -f "$ncf" | |||||
| for x in $new_nis_servers; do | |||||
| echo "$x" >>"$ncf" | |||||
| done | |||||
| change_file "$cf" "$ncf" | |||||
| else | |||||
| [ -e "$cf" ] && rm "$cf" | |||||
| fi | |||||
| fi | |||||
| nd="$(best_domain)" | |||||
| if [ $? = 0 ] && [ "$nd" != "$(domainname)" ]; then | |||||
| domainname "$nd" | |||||
| if [ -n "$ypbind_restart_cmd" ]; then | |||||
| eval $ypbind_restart_cmd | |||||
| fi | |||||
| fi | |||||
| } | |||||
| restore_yp_binding() | |||||
| { | |||||
| rm -f "$ypbind_dir/$ifname" | |||||
| nd="$(best_domain)" | |||||
| # We need to stop ypbind if there is no best domain | |||||
| # otherwise it will just stall as we cannot set domainname | |||||
| # to blank :/ | |||||
| if [ -z "$nd" ]; then | |||||
| if [ -n "$ypbind_stop_cmd" ]; then | |||||
| eval $ypbind_stop_cmd | |||||
| fi | |||||
| elif [ "$nd" != "$(domainname)" ]; then | |||||
| domainname "$nd" | |||||
| if [ -n "$ypbind_restart_cmd" ]; then | |||||
| eval $ypbind_restart_cmd | |||||
| fi | |||||
| fi | |||||
| } | |||||
| if ! $if_configured; then | |||||
| ; | |||||
| elif [ "$reason" = PREINIT ]; then | |||||
| rm -f "$ypbind_dir/$interface".* | |||||
| elif $if_up || $if_down; then | |||||
| if [ -n "$new_nis_domain" ]; then | |||||
| if valid_domainname "$new_nis_domain"; then | |||||
| make_yp_binding | |||||
| else | |||||
| syslog err "Invalid NIS domain name: $new_nis_domain" | |||||
| fi | |||||
| elif [ -n "$old_nis_domain" ]; then | |||||
| restore_yp_binding | |||||
| fi | |||||
| fi | |||||