diff options
Diffstat (limited to 'package/base-files/default/etc/hotplug.d/net/10-net')
| -rw-r--r-- | package/base-files/default/etc/hotplug.d/net/10-net | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/package/base-files/default/etc/hotplug.d/net/10-net b/package/base-files/default/etc/hotplug.d/net/10-net new file mode 100644 index 000000000..29df1d2ce --- /dev/null +++ b/package/base-files/default/etc/hotplug.d/net/10-net @@ -0,0 +1,190 @@ +#!/bin/sh +setup_eth() +{ + [ -f /proc/net/wl0 ] && { + lsmod | grep wlcompat >&- || insmod wlcompat + } + iwconfig "$INTERFACE" 2>&- | grep -v 'no wireless' >&- && { + /sbin/wifi + } + if="$(echo "$INTERFACE" | sed s,eth,et,)" + ifconfig "$INTERFACE" up 2>&- >&- + for vlan in $(seq 0 15); do + [ "$(nvram get vlan${vlan}hwname)" = "$if" ] && \ + $DEBUG vconfig add "$INTERFACE" "$vlan" + done +} + +find_name() +{ + pppoa_ifname="atm0" # hack for ppp over atm, which has no ${proto}_ifname + interfaces="lan wan wifi $(nvram get ifnames)" + for ifname in $interfaces; do + IFTYPE="${ifname}" + IFPROTO="$(nvram get ${IFTYPE}_proto)" + IFACE="$(nvram get ${IFTYPE}_ifname)" + [ -z "$IFPROTO" -o "$IFPROTO" = "none" ] || { + [ "${IFACE}" = "$INTERFACE" ] && return 0 + case "$IFPROTO" in + static|dhcp) + [ "${IFACE%%[0-9]*}" = "br" ] && { + for part in $(nvram get ${IFTYPE}_ifnames); do + [ "$part" = "$INTERFACE" ] && return 0 + done + } + ;; + *) + [ "$(nvram get ${IFPROTO}_ifname)" = "$INTERFACE" \ + -a -x /sbin/ifup.${IFPROTO} ] && return 0 + ;; + esac + } + done + IFACE="" + IFTYPE="" + IFPROTO="" + return 255 +} + +do_ifup() { + if="$3" + if_proto="$(nvram get ${2}_proto)" + + pidfile=/var/run/${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 ] || { + debug "# --- creating /etc/resolv.conf ---" + for dns in $(nvram get ${2}_dns); do + echo "nameserver $dns" >> /etc/resolv.conf + done + } + + env -i ACTION="ifup" INTERFACE="${2}" PROTO=static /sbin/hotplug "iface" & + ;; + 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 + } + # hotplug events are handled by /usr/share/udhcpc/default.script + ;; + *) + if [ -x "/sbin/ifup.$1" ]; then + ( $DEBUG . /sbin/ifup.$1 ${2} $3 ) + fi + ;; + esac +} + +do_register() +{ + case "${INTERFACE%%[0-9]*}" in + eth) setup_eth;; + esac + + [ -z "$IFTYPE" -o -z "$IFPROTO" ] && { + find_name || { + case "${INTERFACE%%[0-9]*}" in + wds) + for tmp in lan wifi; do + [ -z "$IFPROTO" ] && [ "$(nvram get ${tmp}_ifname)" = "br0" ] && { + IFPROTO="$(nvram get ${tmp}_proto)" + IFTYPE="${tmp}" + } + done + [ -z "$IFPROTO" ] && return 0 + ;; + atm) + for tmp in lan wan wifi $(nvram get ifnames); do + [ "$(nvram get ${tmp}_proto)" = "pppoa" ] && { + do_ifup "pppoa" "$tmp" "$INTERFACE" + return 0 + } + done + ;; + *) + return 0 + ;; + esac + } + } + + case "${INTERFACE%%[0-9]*}" in + ppp|atm);; + *) + mac=$(nvram get ${IFTYPE}_hwaddr) + ${mac:+$DEBUG ifconfig $INTERFACE down hw ether $mac} + ;; + esac + + if="$(nvram get ${IFTYPE}_ifname)" + if [ "${if%%[0-9]}" = "br" ]; then + if_valid "$INTERFACE" && { + ifconfig "$if" 2>&- >&- || { + stp=$(nvram get ${IFTYPE}_stp) + $DEBUG brctl addbr "$if" + $DEBUG brctl setfd "$if" 0 + $DEBUG brctl stp "$if" "${stp:-0}" + } + + if [ "$INTERFACE" != "$if" ]; then + $DEBUG ifconfig "$INTERFACE" 0.0.0.0 up + brctl addif "$if" "$INTERFACE" + else + do_ifup "$IFPROTO" "$IFTYPE" "$if" + fi + } + else + do_ifup "$IFPROTO" "$IFTYPE" "$if" + fi +} + +do_unregister() { + [ "${INTERFACE%%[0-9]*}" = "atm" ] || ifconfig "$INTERFACE" 0.0.0.0 down 2>&- + [ -z "$IFTYPE" -o -z "$IFPROTO" ] && find_name + [ -z "$IFTYPE" -o -z "$IFPROTO" ] && return 0 + + [ "${IFACE%%[0-9]*}" = "br" ] && { + if [ "$INTERFACE" != "$IFACE" ]; then + brctl delif "$IFACE" "$INTERFACE" 2>&- >&- + else + brctl delbr "$IFACE" 2>&- >&- + fi + } + + case "$IFPROTO" in + pppoe|pppoa|pptp) + killall ifup.${IFPROTO} + killall pppd + ;; + dhcp) + [ -f /var/run/${INTERFACE}.pid ] && kill "$(cat /var/run/${INTERFACE}.pid)" 2>&- >&- + ;; + esac +} + +case "$ACTION" in + register) do_register;; + unregister) do_unregister;; +esac |