mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-09-18 03:12:05 +03:00
15713b2da9
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2260 3c298f89-4303-0410-b956-a3cf2f4a3e73
100 lines
2.4 KiB
Bash
Executable File
100 lines
2.4 KiB
Bash
Executable File
#!/bin/ash
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. /etc/nvram.sh
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alias debug=${DEBUG:-:}
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# valid interface?
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if_valid () (
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ifconfig "$1" >&- 2>&- ||
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[ "${1%%[0-9]}" = "br" ] ||
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{
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[ "${1%%[0-9]}" = "vlan" ] && (
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i=${1#vlan}
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hwname=$(nvram get vlan${i}hwname)
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hwaddr=$(nvram get ${hwname}macaddr)
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[ -z "$hwaddr" ] && return 1
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vif=$(ifconfig -a | awk '/^eth.*'$hwaddr'/ {print $1; exit}' IGNORECASE=1)
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debug "# vlan$i => $vif"
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$DEBUG ifconfig $vif up
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$DEBUG vconfig add $vif $i 2>&-
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)
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} ||
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{ debug "# missing interface '$1' ignored"; false; }
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)
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do_ifup() {
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if_proto=$(nvram get ${2}_proto)
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if=$(nvram get ${2}_ifname)
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[ "${if%%[0-9]}" = "ppp" ] && if=$(nvram get ${if_proto}_ifname)
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pidfile=/var/run/${if}.pid
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[ -f $pidfile ] && $DEBUG kill $(cat $pidfile)
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case "$1" in
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static)
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ip=$(nvram get ${2}_ipaddr)
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netmask=$(nvram get ${2}_netmask)
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gateway=$(nvram get ${2}_gateway)
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$DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
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${gateway:+$DEBUG route add default gw $gateway}
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[ -f /etc/resolv.conf ] && return
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debug "# --- creating /etc/resolv.conf ---"
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for dns in $(nvram get ${2}_dns); do
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echo "nameserver $dns" >> /etc/resolv.conf
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done
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;;
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dhcp)
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DHCP_IP=$(nvram get ${2}_ipaddr)
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DHCP_NETMASK=$(nvram get ${2}_netmask)
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$DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
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DHCP_ARGS="-i $if ${DHCP_IP:+-r $DHCP_IP} -b -p $pidfile"
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DHCP_HOSTNAME=$(nvram get ${2}_hostname)
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DHCP_HOSTNAME=${DHCP_HOSTNAME%%.*}
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[ -z $DHCP_HOSTNAME ] || DHCP_ARGS="$DHCP_ARGS -H $DHCP_HOSTNAME"
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[ "$if_proto" = "pptp" ] && DHCP_ARGS="$DHCP_ARGS -n -q" || DHCP_ARGS="$DHCP_ARGS -R &"
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oldpid=$(cat $pidfile)
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${DEBUG:-eval} "udhcpc $DHCP_ARGS"
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pidof udhcpc | grep "$oldpid" >&- 2>&- && {
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sleep 1
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kill -9 $oldpid
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}
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;;
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none|"")
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;;
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*)
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[ -x "/sbin/ifup.$1" ] && { $DEBUG /sbin/ifup.$1 ${2}; exit; }
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echo "### ifup ${2}: ignored ${2}_proto=\"$1\" (not supported)"
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;;
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esac
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}
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bitcount () {
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local c=$1
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echo $((
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c=((c>> 1)&0x55555555)+(c&0x55555555),
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c=((c>> 2)&0x33333333)+(c&0x33333333),
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c=((c>> 4)&0x0f0f0f0f)+(c&0x0f0f0f0f),
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c=((c>> 8)&0x00ff00ff)+(c&0x00ff00ff),
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c=((c>>16)&0x0000ffff)+(c&0x0000ffff)
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))
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}
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valid_netmask () {
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return $((-($1)&~$1))
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}
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ip2int () (
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set $(echo $1 | tr '\.' ' ')
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echo $(($1<<24|$2<<16|$3<<8|$4))
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)
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int2ip () {
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echo $(($1>>24&255)).$(($1>>16&255)).$(($1>>8&255)).$(($1&255))
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}
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