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|
#!/bin/sh
die() {
echo "$@" >&2
exit 1
}
findcmd() {
type "$1" > /dev/null 2>&1 || \
die "Couldn't find $1, please install ${2:-it} or fix your path."
}
first() {
echo "$1"
}
nl='
'
usage="Usage: $0 (start|stop)"
debuglevel=${AHCP_DEBUG_LEVEL:-1}
if [ $debuglevel -ge 2 ]; then
env | grep ^AHCP
fi
[ $debuglevel -ge 3 ] && set -x
interfaces="$AHCP_INTERFACES"
if [ -z "$interfaces" ]; then die "No interface set"; fi
first_if=$(first $interfaces)
ipv4_address="$AHCP_IPv4_ADDRESS"
ipv6_address="$AHCP_IPv6_ADDRESS"
platform=`uname`
if [ "$platform" = "Linux" ]; then
findcmd ip iproute
(ip -6 addr show dev lo | grep -q 'inet6') || \
die "No IPv6 address on lo, please modprobe ipv6"
add_ipv6_address() {
ip -6 addr add "$2/$3" dev "$1"
}
del_ipv6_address() {
ip -6 addr del "$2/$3" dev "$1"
}
add_ipv4_address() {
ip addr add "$2/$3" dev "$1"
}
del_ipv4_address() {
ip addr del "$2/$3" dev "$1"
}
else
add_ipv6_address() {
ifconfig "$1" inet6 "$2/$3"
}
del_ipv6_address() {
ifconfig "$1" inet6 "$2/$3" delete
}
add_ipv4_address() {
ifconfig "$1" inet "$2/$3"
}
del_ipv4_address() {
ifconfig "$1" inet "$2/$3" delete
}
fi
add_addresses() {
for i in $interfaces; do
for a in $ipv6_address; do
add_ipv6_address $i $a 128
done
for a in $ipv4_address; do
add_ipv4_address $i $a 32
done
done
}
del_addresses() {
for i in $interfaces; do
for a in $ipv6_address; do
del_ipv6_address $i $a 128
done
for a in $ipv4_address; do
del_ipv4_address $i $a 32
done
done
}
nameserver_start() {
if [ ! -z "$AHCP_NAMESERVER" ]; then
info=''
for n in $AHCP_NAMESERVER; do
info="${info}nameserver $n$nl"
done
if [ -x /sbin/resolvconf ]; then
echo -n "$info" | /sbin/resolvconf -a "$first_if"
else
mv /etc/resolv.conf /etc/resolv.conf.orig
echo -n "$info" > /etc/resolv.conf
fi
fi
}
nameserver_stop() {
if [ ! -z "$AHCP_NAMESERVER" ]; then
if [ -x /sbin/resolvconf ]; then
/sbin/resolvconf -d "$first_if"
else
mv /etc/resolv.conf.orig /etc/resolv.conf
fi
fi
}
case $1 in
start)
add_addresses
nameserver_start
;;
stop)
nameserver_stop
del_addresses
;;
*)
die "$usage"
;;
esac
[ -x /etc/ahcp/ahcp-local.sh ] && /etc/ahcp/ahcp-local.sh $1
exit 0
|
