mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-11 14:50:18 +02:00
49bbf085bb
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@2260 3c298f89-4303-0410-b956-a3cf2f4a3e73
100 lines
2.4 KiB
Bash
Executable File
100 lines
2.4 KiB
Bash
Executable File
#!/bin/ash
|
|
. /etc/nvram.sh
|
|
|
|
alias debug=${DEBUG:-:}
|
|
|
|
# valid interface?
|
|
if_valid () (
|
|
ifconfig "$1" >&- 2>&- ||
|
|
[ "${1%%[0-9]}" = "br" ] ||
|
|
{
|
|
[ "${1%%[0-9]}" = "vlan" ] && (
|
|
i=${1#vlan}
|
|
hwname=$(nvram get vlan${i}hwname)
|
|
hwaddr=$(nvram get ${hwname}macaddr)
|
|
[ -z "$hwaddr" ] && return 1
|
|
|
|
vif=$(ifconfig -a | awk '/^eth.*'$hwaddr'/ {print $1; exit}' IGNORECASE=1)
|
|
debug "# vlan$i => $vif"
|
|
|
|
$DEBUG ifconfig $vif up
|
|
$DEBUG vconfig add $vif $i 2>&-
|
|
)
|
|
} ||
|
|
{ debug "# missing interface '$1' ignored"; false; }
|
|
)
|
|
|
|
do_ifup() {
|
|
if_proto=$(nvram get ${2}_proto)
|
|
if=$(nvram get ${2}_ifname)
|
|
[ "${if%%[0-9]}" = "ppp" ] && if=$(nvram get ${if_proto}_ifname)
|
|
|
|
pidfile=/var/run/${if}.pid
|
|
[ -f $pidfile ] && $DEBUG kill $(cat $pidfile)
|
|
|
|
case "$1" in
|
|
static)
|
|
ip=$(nvram get ${2}_ipaddr)
|
|
netmask=$(nvram get ${2}_netmask)
|
|
gateway=$(nvram get ${2}_gateway)
|
|
|
|
$DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
|
|
${gateway:+$DEBUG route add default gw $gateway}
|
|
|
|
[ -f /etc/resolv.conf ] && return
|
|
|
|
debug "# --- creating /etc/resolv.conf ---"
|
|
for dns in $(nvram get ${2}_dns); do
|
|
echo "nameserver $dns" >> /etc/resolv.conf
|
|
done
|
|
;;
|
|
dhcp)
|
|
DHCP_IP=$(nvram get ${2}_ipaddr)
|
|
DHCP_NETMASK=$(nvram get ${2}_netmask)
|
|
$DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
|
|
|
|
DHCP_ARGS="-i $if ${DHCP_IP:+-r $DHCP_IP} -b -p $pidfile"
|
|
DHCP_HOSTNAME=$(nvram get ${2}_hostname)
|
|
DHCP_HOSTNAME=${DHCP_HOSTNAME%%.*}
|
|
[ -z $DHCP_HOSTNAME ] || DHCP_ARGS="$DHCP_ARGS -H $DHCP_HOSTNAME"
|
|
[ "$if_proto" = "pptp" ] && DHCP_ARGS="$DHCP_ARGS -n -q" || DHCP_ARGS="$DHCP_ARGS -R &"
|
|
oldpid=$(cat $pidfile)
|
|
${DEBUG:-eval} "udhcpc $DHCP_ARGS"
|
|
pidof udhcpc | grep "$oldpid" >&- 2>&- && {
|
|
sleep 1
|
|
kill -9 $oldpid
|
|
}
|
|
;;
|
|
none|"")
|
|
;;
|
|
*)
|
|
[ -x "/sbin/ifup.$1" ] && { $DEBUG /sbin/ifup.$1 ${2}; exit; }
|
|
echo "### ifup ${2}: ignored ${2}_proto=\"$1\" (not supported)"
|
|
;;
|
|
esac
|
|
}
|
|
|
|
bitcount () {
|
|
local c=$1
|
|
echo $((
|
|
c=((c>> 1)&0x55555555)+(c&0x55555555),
|
|
c=((c>> 2)&0x33333333)+(c&0x33333333),
|
|
c=((c>> 4)&0x0f0f0f0f)+(c&0x0f0f0f0f),
|
|
c=((c>> 8)&0x00ff00ff)+(c&0x00ff00ff),
|
|
c=((c>>16)&0x0000ffff)+(c&0x0000ffff)
|
|
))
|
|
}
|
|
|
|
valid_netmask () {
|
|
return $((-($1)&~$1))
|
|
}
|
|
|
|
ip2int () (
|
|
set $(echo $1 | tr '\.' ' ')
|
|
echo $(($1<<24|$2<<16|$3<<8|$4))
|
|
)
|
|
|
|
int2ip () {
|
|
echo $(($1>>24&255)).$(($1>>16&255)).$(($1>>8&255)).$(($1&255))
|
|
}
|