wifipineapple-openwrt/root/etc/functions.sh

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