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