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122 lines
3.3 KiB
Bash
122 lines
3.3 KiB
Bash
#!/bin/sh
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debug () {
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[ -z "$DEBUG" ] || echo $1
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}
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# allow env to override nvram
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nvram_get () {
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eval "echo \${$1:-\$(nvram get $1)}"
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}
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. /etc/nvram.overrides
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# valid interface?
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if_valid () (
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[ "${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=$(ifconfig -a | awk '{IGNORECASE=1} /^eth.*'$hwaddr'/ {print $1; exit}')
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debug "# vlan$i: $hwname $hwaddr => $vif"
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$DEBUG ifconfig $vif up
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$DEBUG vconfig add $vif $i 2>/dev/null
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}
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ifconfig "$1" >/dev/null 2>&1 || [ "${1%%[0-9]}" = "br" ]
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return $?
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)
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mac () {
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echo $2|awk -F ":" '{for(x=6,y='$1';x;x--){y+=int("0x"$x);$x=sprintf("%02x",y%256);y/=256}gsub(" ",":");print$0}'
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}
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wifi () (
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debug "### wifi $1 ###"
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if=$(awk 'gsub(":","") {print $1}' /proc/net/wireless)
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$DEBUG ifconfig $if hw ether $(mac 2 $(nvram get et0macaddr))
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$DEBUG wlconf $if $1
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)
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ifup () (
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type=$1
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debug "### ifup $type ###"
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if=$(nvram_get ${type}_ifname)
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if [ "${if%%[0-9]}" = "ppp" ]; then
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if=$(nvram_get pppoe_ifname)
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fi
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if_valid $if || return
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$DEBUG ifconfig $if down
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if [ "${if%%[0-9]}" = "br" ]; then
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stp=$(nvram_get ${type}_stp)
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$DEBUG brctl delbr $if
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$DEBUG brctl addbr $if
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$DEBUG brctl setfd $if 0
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$DEBUG brctl stp $if $stp
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if_list=$(nvram_get ${type}_ifnames)
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for sif in $if_list; do {
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if_valid $sif || continue
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$DEBUG ifconfig $sif 0.0.0.0 up
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$DEBUG brctl addif $if $sif
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} done
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fi
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if_mac=$(nvram_get ${type}_hwaddr)
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[ -z "$if_mac" ] || $DEBUG ifconfig $if hw ether $if_mac
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if_proto=$(nvram_get ${type}_proto)
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case "$if_proto" in
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static)
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if_ip=$(nvram_get ${type}_ipaddr)
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if_netmask=$(nvram_get ${type}_netmask)
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if_gateway=$(nvram_get ${type}_gateway)
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ipcalc -s "$if_ip" || return
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ipcalc -s "$if_netmask" || return
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$DEBUG ifconfig $if $if_ip netmask $if_netmask up
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ipcalc -s "$if_gateway" || return
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$DEBUG route add default gw $if_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 ${type}_dns); do {
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echo "nameserver $dns" >> /etc/resolv.conf
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} done
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;;
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dhcp)
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pidfile=/tmp/dhcp-${type}.pid
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if [ -f $pidfile ]; then
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$DEBUG kill $(cat $pidfile)
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fi
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cmd="udhcpc -i $if -b -p $pidfile &"
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${DEBUG:-eval} $cmd
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;;
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pppoe)
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if_username=$(nvram_get ppp_username)
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if_password=$(nvram_get ppp_passwd)
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if_redial=$(nvram_get ppp_redialperiod)
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if_idletime=$(nvram_get ppp_idletime)
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$DEBUG ifconfig $if 0.0.0.0 up
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$DEBUG /sbin/pppoecd $if -u $if_username -p $if_password -i 0 -I $if_redial -T $if_idletime -k
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;;
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*)
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echo "### WARNING $if: $if_proto is not supported"
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;;
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esac
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)
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ifdown () (
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type=$1
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debug "### ifdown $type ###"
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if=$(nvram_get ${type}_ifname)
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if_valid $if || return
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$DEBUG ifdown $if
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)
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