NetBSD/usr.sbin/dhcp/client/scripts/solaris

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#!/bin/sh
make_resolv_conf() {
echo search $new_domain_name >/etc/resolv.conf
for nameserver in $new_domain_name_servers; do
echo nameserver $nameserver >>/etc/resolv.conf
done
}
# Must be used on exit. Invokes the local dhcp client exit hooks, if any.
exit_with_hooks() {
exit_status=$1
if [ -x /etc/dhclient-exit-hooks ]; then
. /etc/dhclient-exit-hooks
fi
# probably should do something with exit status of the local script
exit $exit_status
}
# Invoke the local dhcp client enter hooks, if they exist.
if [ -x /etc/dhclient-enter-hooks ]; then
exit_status=0
. /etc/dhclient-enter-hooks
# allow the local script to abort processing of this state
# local script must set exit_status variable to nonzero.
if [ $exit_status -ne 0 ]; then
exit $exit_status
fi
fi
if [ x$new_broadcast_address != x ]; then
new_broadcast_arg="broadcast $new_broadcast_address"
fi
if [ x$old_broadcast_address != x ]; then
old_broadcast_arg="broadcast $old_broadcast_address"
fi
if [ x$new_subnet_mask != x ]; then
new_netmask_arg="netmask $new_subnet_mask"
fi
if [ x$old_subnet_mask != x ]; then
old_netmask_arg="netmask $old_subnet_mask"
fi
if [ x$alias_subnet_mask != x ]; then
alias_subnet_arg="netmask $alias_subnet_mask"
fi
ifconfig=/sbin/ifconfig
release=`uname -r`
release=`expr $release : '\(.*\)\..*'`
relmajor=`echo $release |sed -e 's/^\([^\.]*\)\..*$/\1/'`
relminor=`echo $release |sed -e 's/^.*\.\([^\.]*\)$/\1/'`
if [ x$reason = xMEDIUM ]; then
$ifconfig $interface $medium
$ifconfig $interface
sleep 1
exit_with_hooks 0
fi
if [ x$reason = xPREINIT ]; then
if [ x$alias_ip_address != x ]; then
$ifconfig ${interface}:1 0 down > /dev/null 2>&1
route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
fi
if [ $relmajor -gt 5 ] || ( [ $relmajor -eq 5 ] && [ $relminor -ge 5 ] )
then
# Turn the interface on
$ifconfig $interface plumb
$ifconfig $interface up
else
$ifconfig $interface inet 0.0.0.0 netmask 0.0.0.0 \
broadcast 255.255.255.255 up
fi
exit_with_hooks 0
fi
if [ x$reason = xARPCHECK ] || [ x$reason = xARPSEND ]; then
exit_with_hooks 0;
fi
if [ x$reason = xBOUND ] || [ x$reason = xRENEW ] || \
[ x$reason = xREBIND ] || [ x$reason = xREBOOT ]; then
if [ x$old_ip_address != x ] && [ x$alias_ip_address != x ] && \
[ x$alias_ip_address != x$old_ip_address ]; then
$ifconfig ${interface}:1 inet 0 down > /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 0 down
route delete $old_ip_address 127.1 >/dev/null 2>&1
for router in $old_routers; do
route delete default $router >/dev/null 2>&1
done
fi
if [ x$old_ip_address = x ] || [ x$old_ip_address != x$new_ip_address ] || \
[ x$reason = xBOUND ] || [ x$reason = xREBOOT ]; then
$ifconfig $interface inet $new_ip_address $new_netmask_arg \
$new_broadcast_arg $medium
route add $new_ip_address 127.1 1 >/dev/null 2>&1
for router in $new_routers; do
route add default $router 1 >/dev/null 2>&1
done
fi
if [ x$new_ip_address != x$alias_ip_address ] && [ x$alias_ip_address != x ];
then
$ifconfig ${interface}:1 inet $alias_ip_address $alias_subnet_arg
route add $alias_ip_address 127.0.0.1 1
fi
echo search $new_domain_name >/etc/resolv.conf
for nameserver in $new_domain_name_servers; do
echo nameserver $nameserver >>/etc/resolv.conf
done
exit_with_hooks 0
fi
if [ x$reason = xEXPIRE ] || [ x$reason = xFAIL ]; then
if [ x$alias_ip_address != x ]; then
$ifconfig ${interface}:1 0 down > /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 0 down
route delete $old_ip_address 127.1 >/dev/null 2>&1
for router in $old_routers; do
route delete default $router >/dev/null 2>&1
done
fi
if [ x$alias_ip_address != x ]; then
$ifconfig ${interface}:1 inet $alias_ip_address $alias_subnet_arg
route add $alias_ip_address 127.0.0.1 1
fi
exit_with_hooks 0
fi
if [ x$reason = xTIMEOUT ]; then
if [ x$alias_ip_address != x ]; then
$ifconfig ${interface}:1 0 down > /dev/null 2>&1
route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
fi
$ifconfig $interface inet $new_ip_address $new_netmask_arg \
$new_broadcast_arg $medium
sleep 1
set $new_routers
if ping -s -n -I 1 $1 64 1; then
if [ x$new_ip_address != x$alias_ip_address ] && \
[ x$alias_ip_address != x ]; then
$ifconfig ${interface}:1 inet $alias_ip_address $alias_subnet_arg
route add $alias_ip_address 127.0.0.1 1
fi
route add $new_ip_address 127.1 1 >/dev/null 2>&1
for router in $new_routers; do
route add default $router 1 >/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_with_hooks 0
fi
$ifconfig $interface inet 0 down
for router in $old_routers; do
route delete default $router >/dev/null 2>&1
done
exit_with_hooks 1
fi
exit_with_hooks 0