package/base-files/default/etc/hotplug.d/net/10-net

   1 #!/bin/sh
   2 setup_eth()
   3 {
   4         [ -f /proc/net/wl0 ] && {
   5                 lsmod | grep wlcompat >&- || insmod wlcompat
   6         }
   7         iwconfig "$INTERFACE" 2>&- | grep -v 'no wireless' >&- && {
   8                 /sbin/wifi
   9         }
  10         [ -d /proc/switch ] || {
  11                 insmod switch-core
  12                 insmod switch-robo || insmod switch-adm
  13         }
  14         if="$(echo "$INTERFACE" | sed s,eth,et,)"
  15         ifconfig "$INTERFACE" up 2>&- >&-
  16         for vlan in $(seq 0 15); do
  17                 [ "$(nvram get vlan${vlan}hwname)" = "$if" ] && {
  18                         $DEBUG vconfig add "$INTERFACE" "$vlan"
  19                         vports="$(nvram get vlan${vlan}ports)"
  20                         [ \! -z "$vports" -a -d "/proc/switch/$INTERFACE" ] && \
  21                                 echo "$vports" > "/proc/switch/$INTERFACE/vlan/$vlan/ports"
  22                 }
  23         done
  24 }
  25
  26 find_name()
  27 {
  28         pppoa_ifname="atm0" # hack for ppp over atm, which has no ${proto}_ifname
  29         interfaces="lan wan wifi $(nvram get ifnames)"
  30         for ifname in $interfaces; do
  31                 IFTYPE="${ifname}"
  32                 IFPROTO="$(nvram get ${IFTYPE}_proto)"
  33                 IFACE="$(nvram get ${IFTYPE}_ifname)"
  34                 case "$IFPROTO" in
  35                         ""|none);;
  36                         static|dhcp)
  37                                 [ "${IFACE}" = "$INTERFACE" ] && return 0
  38                                 [ "${IFACE%%[0-9]*}" = "br" ] && {
  39                                         for part in $(nvram get ${IFTYPE}_ifnames); do
  40                                                 [ "$part" = "$INTERFACE" ] && return 0
  41                                         done
  42                                 }
  43                         ;;
  44                         *)
  45                                 [ "$(nvram get ${IFPROTO}_ifname)" = "$INTERFACE" \
  46                                   -a -x /sbin/ifup.${IFPROTO} ] && return 0
  47                         ;;
  48                 esac
  49         done
  50         IFACE=""
  51         IFTYPE=""
  52         IFPROTO=""
  53         return 255
  54 }
  55
  56 do_ifup() {
  57         if="$3"
  58         if_proto="$(nvram get ${2}_proto)"
  59
  60         pidfile=/var/run/${if}.pid
  61         [ -f $pidfile ] && $DEBUG kill $(cat $pidfile)
  62
  63         case "$1" in
  64                 static)
  65                         ip=$(nvram get ${2}_ipaddr)
  66                         netmask=$(nvram get ${2}_netmask)
  67                         gateway=$(nvram get ${2}_gateway)
  68
  69                         $DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
  70                         ${gateway:+$DEBUG route add default gw $gateway}
  71
  72                         [ -f /etc/resolv.conf ] || {
  73                                 debug "# --- creating /etc/resolv.conf ---"
  74                                 for dns in $(nvram get ${2}_dns); do
  75                                         echo "nameserver $dns" >> /etc/resolv.conf
  76                                 done
  77                         }
  78
  79                         env -i ACTION="ifup" INTERFACE="${2}" PROTO=static /sbin/hotplug "iface" &
  80                 ;;
  81                 dhcp)
  82                         DHCP_IP=$(nvram get ${2}_ipaddr)
  83                         DHCP_NETMASK=$(nvram get ${2}_netmask)
  84                         $DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
  85
  86                         DHCP_ARGS="-i $if ${DHCP_IP:+-r $DHCP_IP} -b -p $pidfile"
  87                         DHCP_HOSTNAME=$(nvram get ${2}_hostname)
  88                         DHCP_HOSTNAME=${DHCP_HOSTNAME%%.*}
  89                         [ -z $DHCP_HOSTNAME ] || DHCP_ARGS="$DHCP_ARGS -H $DHCP_HOSTNAME"
  90                         [ "$if_proto" = "pptp" ] && DHCP_ARGS="$DHCP_ARGS -n -q" || DHCP_ARGS="$DHCP_ARGS -R &"
  91                         oldpid=$(cat $pidfile)
  92                         ${DEBUG:-eval} "udhcpc $DHCP_ARGS"
  93                         pidof udhcpc | grep "$oldpid" >&- 2>&- && {
  94                                 sleep 1
  95                                 kill -9 $oldpid
  96                         }
  97                         # hotplug events are handled by /usr/share/udhcpc/default.script
  98                 ;;
  99                 *)
 100                         if [ -x "/sbin/ifup.$1" ]; then
 101                                 ( $DEBUG . /sbin/ifup.$1 ${2} $3 )
 102                         fi
 103                 ;;
 104         esac
 105 }
 106
 107 do_register()
 108 {
 109         case "${INTERFACE%%[0-9]*}" in
 110                 eth) setup_eth;;
 111         esac
 112
 113         [ -z "$IFTYPE" -o -z "$IFPROTO" ] && {
 114                 find_name || {
 115                         case "${INTERFACE%%[0-9]*}" in
 116                                 wds)
 117                                         for tmp in lan wifi; do
 118                                                 [ -z "$IFPROTO" ] && [ "$(nvram get ${tmp}_ifname)" = "br0" ] && {
 119                                                         IFPROTO="$(nvram get ${tmp}_proto)"
 120                                                         IFTYPE="${tmp}"
 121                                                 }
 122                                         done
 123                                         [ -z "$IFPROTO" ] && return 0
 124                                 ;;
 125                                 atm)
 126                                         for tmp in lan wan wifi $(nvram get ifnames); do
 127                                                 [ "$(nvram get ${tmp}_proto)" = "pppoa" ] && {
 128                                                         do_ifup "pppoa" "$tmp" "$INTERFACE"
 129                                                         return 0
 130                                                 }
 131                                         done
 132                                 ;;
 133                                 *)
 134                                         return 0
 135                                 ;;
 136                         esac
 137                 }
 138         }
 139
 140         case "${INTERFACE%%[0-9]*}" in
 141                 ppp|atm);;
 142                 *)
 143                         mac=$(nvram get ${IFTYPE}_hwaddr)
 144                         ${mac:+$DEBUG ifconfig $INTERFACE down hw ether $mac}
 145                 ;;
 146         esac
 147
 148         if="$(nvram get ${IFTYPE}_ifname)"
 149         if [ "${if%%[0-9]}" = "br" ]; then
 150                 if_valid "$INTERFACE" && {
 151                         ifconfig "$if" 2>&- >&- || {
 152                                 stp=$(nvram get ${IFTYPE}_stp)
 153                                 $DEBUG brctl addbr "$if"
 154                                 $DEBUG brctl setfd "$if" 0
 155                                 $DEBUG brctl stp "$if" "${stp:-0}"
 156                         }
 157
 158                         if [ "$INTERFACE" != "$if" ]; then
 159                                 $DEBUG ifconfig "$INTERFACE" 0.0.0.0 up
 160                                 brctl addif "$if" "$INTERFACE"
 161                         else
 162                                 do_ifup "$IFPROTO" "$IFTYPE" "$if"
 163                         fi
 164                 }
 165         else
 166                 [ "${INTERFACE%%[0-9]*}" = "ppp" ] || do_ifup "$IFPROTO" "$IFTYPE" "$if"
 167         fi
 168 }
 169
 170 do_unregister() {
 171         [ -z "$IFTYPE" -o -z "$IFPROTO" ] && find_name
 172         [ -z "$IFTYPE" -o -z "$IFPROTO" ] && return 0
 173
 174         [ "${IFACE%%[0-9]*}" = "br" ] && {
 175                 if [ "$INTERFACE" != "$IFACE" ]; then
 176                         brctl delif "$IFACE" "$INTERFACE" 2>&- >&-
 177                 else
 178                         brctl delbr "$IFACE" 2>&- >&-
 179                 fi
 180         }
 181
 182         case "$IFPROTO" in
 183                 pppoe|pppoa|pptp)
 184                         killall pppd 2>&- >&-
 185                 ;;
 186                 dhcp)
 187                         [ -f /var/run/${INTERFACE}.pid ] && kill "$(cat /var/run/${INTERFACE}.pid)" 2>&- >&-
 188                 ;;
 189         esac
 190
 191         [ "${INTERFACE%%[0-9]*}" = "atm" ] || ifconfig "$INTERFACE" 0.0.0.0 down 2>&-
 192 }
 193
 194 case "$ACTION" in
 195         add|register) do_register;;
 196         remove|unregister) do_unregister;;
 197 esac