You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.3 KiB
Bash
58 lines
1.3 KiB
Bash
#!/bin/sh
|
|
[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
|
|
|
|
set_classless_routes() {
|
|
local max=128
|
|
local type
|
|
while [ -n "$1" -a -n "$2" -a $max -gt 0 ]; do
|
|
[ ${1##*/} -eq 32 ] && type=host || type=net
|
|
echo "udhcpc: adding route for $type $1 via $2"
|
|
route add -$type "$1" gw "$2" dev "$interface"
|
|
max=$(($max-1))
|
|
shift 2
|
|
done
|
|
}
|
|
|
|
setup_interface() {
|
|
echo "udhcpc: ip addr add $ip/${subnet:-255.255.255.0} broadcast ${broadcast:-+} dev $interface"
|
|
ip addr add $ip/${subnet:-255.255.255.0} broadcast ${broadcast:-+} dev $interface
|
|
|
|
[ -n "$router" ] && [ "$router" != "0.0.0.0" ] && [ "$router" != "255.255.255.255" ] && {
|
|
echo "udhcpc: setting default routers: $router"
|
|
|
|
local valid_gw=""
|
|
for i in $router ; do
|
|
route add default gw $i dev $interface
|
|
valid_gw="${valid_gw:+$valid_gw|}$i"
|
|
done
|
|
|
|
eval $(route -n | awk '
|
|
/^0.0.0.0\W{9}('$valid_gw')\W/ {next}
|
|
/^0.0.0.0/ {print "route del -net "$1" gw "$2";"}
|
|
')
|
|
}
|
|
|
|
# CIDR STATIC ROUTES (rfc3442)
|
|
[ -n "$staticroutes" ] && set_classless_routes $staticroutes
|
|
[ -n "$msstaticroutes" ] && set_classless_routes $msstaticroutes
|
|
}
|
|
|
|
|
|
applied=
|
|
case "$1" in
|
|
deconfig)
|
|
ip -4 addr flush dev "$interface"
|
|
;;
|
|
renew)
|
|
setup_interface update
|
|
;;
|
|
bound)
|
|
setup_interface ifup
|
|
;;
|
|
esac
|
|
|
|
# user rules
|
|
[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
|
|
|
|
exit 0
|