DHCP Client script for NetBSD

diff --git a/client/scripts/netbsd b/client/scripts/netbsd
new file mode 100755 (executable)
index 0000000..6f6c0f2
--- /dev/null
+++ b/client/scripts/netbsd
@@ -0,0 +1,117 @@
+#!/bin/sh
+
+if [ x$reason = xMEDIUM ]; then
+  ifconfig $interface $medium
+  ifconfig $interface inet -alias 0.0.0.0 $medium >/dev/null 2>&1
+  ifconfig $interface
+  sleep 1
+  exit 0
+fi
+
+if [ x$reason = xPREINIT ]; then
+  if [ x$alias_ip_address != x ]; then
+    ifconfig $interface inet -alias $alias_ip_address > /dev/null 2>&1
+    route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
+  fi
+  ifconfig $interface inet 0.0.0.0 netmask 0.0.0.0 \
+               broadcast 255.255.255.255 up
+  exit 0
+fi
+
+if [ x$reason = xARPCHECK ] || [ x$reason = xARPSEND ]; then
+  exit 0;
+fi
+  
+if [ x$reason = xBOUND ] || [ x$reason = xRENEW ] || [ x$reason = xREBIND ];
+ then
+  if [ x$old_ip_address != x ] && [ x$alias_ip_address != x ] && \
+               [ x$alias_ip_address != x$old_ip_address ]; then
+    ifconfig $interface inet -alias $alias_ip_address > /dev/null 2>&1
+    route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
+  fi
+  if [ x$old_ip_address != x ] && [ x$old_ip_address != x$new_ip_address ]; then
+    ifconfig $interface inet -alias $old_ip_address $medium
+    route delete $old_ip_address 127.1 >/dev/null 2>&1
+    for router in $old_routers; do
+      route delete default $router >/dev/null 2>&1
+    done
+    arp -a | sed -n -e 's/^.*(\(.*\)) at .*$/arp -d \1/p' |sh
+  fi
+  if [ x$old_ip_address = x ] || [ x$old_ip_address != x$new_ip_address ] || \
+     [ x$reason = xBOUND ]; then
+    ifconfig $interface inet $new_ip_address netmask $new_subnet_mask \
+                       broadcast $new_broadcast_address $medium
+    route add $new_ip_address 127.1 >/dev/null 2>&1
+    for router in $new_routers; do
+      route add default $router >/dev/null 2>&1
+    done
+  fi
+  if [ x$new_ip_address != x$alias_ip_address ] && [ x$alias_ip_address != x ];
+   then
+    ifconfig $interface inet alias $alias_ip_address netmask $alias_netmask
+    route add $alias_ip_address 127.0.0.1
+  fi
+  echo search $new_domain_name >/etc/resolv.conf
+  for nameserver in $new_domain_name_servers; do
+    echo nameserver $nameserver >>/etc/resolv.conf
+  done
+  exit 0
+fi
+
+if [ x$reason = xEXPIRE ] || [ x$reason = xFAIL ]; then
+  if [ x$alias_ip_address != x ]; then
+    ifconfig $interface inet -alias $alias_ip_address > /dev/null 2>&1
+    route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
+  fi
+  if [ x$old_ip_address != x ]; then
+    ifconfig $interface inet -alias $old_ip_address $medium
+    route delete $old_ip_address 127.1 >/dev/null 2>&1
+    for router in $old_routers; do
+      route delete default $router >/dev/null 2>&1
+    done
+    arp -a | sed -n -e 's/^.*(\(.*\)) at .*$/arp -d \1/p' |sh >/dev/null 2>&1
+  fi
+  if [ x$alias_ip_address != x ]; then
+    ifconfig $interface inet alias $alias_ip_address netmask $alias_netmask
+    route add $alias_ip_address 127.0.0.1
+  fi
+  exit 0
+fi
+
+if [ x$reason = xTIMEOUT ]; then
+  if [ x$alias_ip_address != x ]; then
+    ifconfig $interface inet -alias $alias_ip_address > /dev/null 2>&1
+    route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
+  fi
+  ifconfig $interface inet $new_ip_address netmask $new_subnet_mask \
+                       broadcast $new_broadcast_address $medium
+  set $new_routers
+  if ping -q -c 1 -w 1 $1; then
+    if [ x$new_ip_address != x$alias_ip_address ] && \
+                       [ x$alias_ip_address != x ]; then
+      ifconfig $interface inet alias $alias_ip_address netmask $alias_netmask
+      route add $alias_ip_address 127.0.0.1
+    fi
+    route add $new_ip_address 127.1 >/dev/null 2>&1
+    for router in $new_routers; do
+      route add default $router >/dev/null 2>&1
+    done
+    echo search $new_domain_name >/etc/resolv.conf.std
+    for nameserver in $new_domain_name_servers; do
+      echo nameserver $nameserver >>/etc/resolv.conf.std
+    done
+    if [ -f /etc/resolv.conf ]; then
+      rm -f /etc/resolv.conf
+      ln /etc/resolv.conf.std /etc/resolv.conf
+    fi
+    exit 0
+  fi
+  ifconfig $interface inet -alias $new_ip_address $medium
+  for router in $old_routers; do
+    route delete default $router >/dev/null 2>&1
+  done
+  arp -a | sed -n -e 's/^.*(\(.*\)) at .*$/arp -d \1/p' |sh >/dev/null 2>&1
+  exit 1
+fi
+
+exit 0