dhcp-script.nsh

EFI（Extensible Firmware Interface)是下一代BIOS

echo -off
set -v LOGGER echo

if not %new_network_number%  ==  ^%new_network_number^% then
#   %LOGGER% New Network Number: %new_network_number%
endif

if not %new_broadcast_address%  ==  ^%new_broadcast_address^% then
#  %LOGGER% New Broadcast Address: %new_broadcast_address%
  set -v new_broadcast_arg "broadcast %new_broadcast_address%"
endif

if not %new_subnet_mask%  ==  ^%new_subnet_mask^% then
#  %LOGGER% New Subnet Mask for %interface%: %new_subnet_mask%
  set -v new_netmask_arg "netmask %new_subnet_mask%"
endif

if %reason% == FAILED then
  %LOGGER% DHCP Client startup failed
  goto exit_with_hooks
endif

if %reason%  ==  PREINIT then
  ifconfig %interface% inet 0.0.0.0 netmask 0.0.0.0 broadcast 255.255.255.255 up
  route add -host 255.255.255.255 -interface %interface%
  goto exit_with_hooks
endif

#
# BOUND and REBOOT cases are the same but we have no 'or' syntax in batch files
#
if %reason%  ==  BOUND then
  goto common_config
endif
if %reason%  ==  REBOOT then
  goto common_config
endif

goto exit_with_hooks

:common_config

if not %old_routers%  == ^%old_routers^% then
  route delete default %old_routers%
endif

ifconfig %interface% inet %new_ip_address% %new_netmask_arg% %new_broadcast_arg%
route add default %new_routers% 
echo search %new_domain_name%  >a \etc\resolv.conf
echo nameserver %new_domain_name_servers%  >>a \etc\resolv.conf
set -v old_routers "%new_routers%"

:exit_with_hooks

set -d LOGGER