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

   1 #!/bin/sh
   2 setup_eth()
   3 {
   4         for part in $(nvram get unused_ifnames); do
   5                 [ "$part" = "$INTERFACE" ] && return 0
   6         done
   7         [ -f /proc/net/wl0 ] && {
   8                 lsmod | grep wlcompat >&- || insmod wlcompat
   9         }
  10         iwconfig "$INTERFACE" 2>&- | grep -v 'no wireless' >&- && {
  11                 /sbin/wifi
  12         }
  13         [ -d /proc/switch ] || {
  14                 insmod switch-core
  15                 insmod switch-robo || insmod switch-adm
  16         }
  17         if="$(echo "$INTERFACE" | sed s,eth,et,)"
  18         ifconfig "$INTERFACE" up 2>&- >&-
  19         for vlan in $(seq 0 15); do
  20                 [ "$(nvram get vlan${vlan}hwname)" = "$if" ] && {
  21                         $DEBUG vconfig add "$INTERFACE" "$vlan"
  22                         vports="$(nvram get vlan${vlan}ports)"
  23                         [ \! -z "$vports" -a -d "/proc/switch/$INTERFACE" ] && \
  24                                 echo "$vports" > "/proc/switch/$INTERFACE/vlan/$vlan/ports"
  25                 }
  26         done
  27 }
  28
  29 find_name()
  30 {
  31         pppoa_ifname="atm0" # hack for ppp over atm, which has no ${proto}_ifname
  32         interfaces="lan wan wifi $(nvram get ifnames)"
  33         for ifname in $interfaces; do
  34                 IFTYPE="${ifname}"
  35                 IFPROTO="$(nvram get ${IFTYPE}_proto)"
  36                 IFACE="$(nvram get ${IFTYPE}_ifname)"
  37                 case "$IFPROTO" in
  38                         ""|none);;
  39                         static|dhcp)
  40                                 [ "${IFACE}" = "$INTERFACE" ] && return 0
  41                                 [ "${IFACE%%[0-9]*}" = "br" ] && {
  42                                         for part in $(nvram get ${IFTYPE}_ifnames); do
  43                                                 [ "$part" = "$INTERFACE" ] && return 0
  44                                         done
  45                                 }
  46                         ;;
  47                         *)
  48                                 [ "$(nvram get ${IFPROTO}_ifname)" = "$INTERFACE" \
  49                                   -a -x /sbin/ifup.${IFPROTO} ] && return 0
  50                         ;;
  51                 esac
  52         done
  53         IFACE=""
  54         IFTYPE=""
  55         IFPROTO=""
  56         return 255
  57 }
  58
  59 do_ifup() {
  60         if="$3"
  61         if_proto="$(nvram get ${2}_proto)"
  62
  63         pidfile=/var/run/${if}.pid
  64         [ -f $pidfile ] && $DEBUG kill $(cat $pidfile)
  65
  66         case "$1" in
  67                 static)
  68                         ip=$(nvram get ${2}_ipaddr)
  69                         ip6=$(nvram get ${2}_ip6addr)
  70                         netmask=$(nvram get ${2}_netmask)
  71                         gateway=$(nvram get ${2}_gateway)
  72
  73                         $DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
  74                         [ -n "$ip6" ] && $DEBUG ifconfig $if add $ip6
  75
  76                         ${gateway:+$DEBUG route add default gw $gateway}
  77
  78                         [ -f /tmp/resolv.conf ] || {
  79                                 debug "# --- creating /tmp/resolv.conf ---"
  80                                 for dns in $(nvram get ${2}_dns); do
  81                                         echo "nameserver $dns" >> /tmp/resolv.conf
  82                                 done
  83                         }
  84
  85                         env -i ACTION="ifup" INTERFACE="${2}" PROTO=static /sbin/hotplug "iface" &
  86                 ;;
  87                 dhcp)
  88                         DHCP_IP=$(nvram get ${2}_ipaddr)
  89                         DHCP_NETMASK=$(nvram get ${2}_netmask)
  90                         $DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
  91
  92                         DHCP_ARGS="-i $if ${DHCP_IP:+-r $DHCP_IP} -b -p $pidfile"
  93                         DHCP_HOSTNAME=$(nvram get ${2}_hostname)
  94                         DHCP_HOSTNAME=${DHCP_HOSTNAME%%.*}
  95                         [ -z $DHCP_HOSTNAME ] || DHCP_ARGS="$DHCP_ARGS -H $DHCP_HOSTNAME"
  96                         [ "$if_proto" = "pptp" ] && DHCP_ARGS="$DHCP_ARGS -n -q" || DHCP_ARGS="$DHCP_ARGS -R &"
  97                         oldpid=$(cat $pidfile)
  98                         ${DEBUG:-eval} "udhcpc $DHCP_ARGS"
  99                         pidof udhcpc | grep "$oldpid" >&- 2>&- && {
 100                                 sleep 1
 101                                 kill -9 $oldpid
 102                         }
 103                         # hotplug events are handled by /usr/share/udhcpc/default.script
 104                 ;;
 105                 *)
 106                         if [ -x "/sbin/ifup.$1" ]; then
 107                                 ( $DEBUG . /sbin/ifup.$1 ${2} $3 )
 108                         fi
 109                 ;;
 110         esac
 111 }
 112
 113 do_register()
 114 {
 115         case "${INTERFACE%%[0-9]*}" in
 116                 eth) setup_eth;;
 117         esac
 118
 119         [ -z "$IFTYPE" -o -z "$IFPROTO" ] && {
 120                 find_name || {
 121                         case "${INTERFACE%%[0-9]*}" in
 122                                 wds)
 123                                         for tmp in lan wifi; do
 124                                                 [ -z "$IFPROTO" ] && [ "$(nvram get ${tmp}_ifname)" = "br0" ] && {
 125                                                         IFPROTO="$(nvram get ${tmp}_proto)"
 126                                                         IFTYPE="${tmp}"
 127                                                 }
 128                                         done
 129                                         [ -z "$IFPROTO" ] && return 0
 130                                 ;;
 131                                 atm)
 132                                         for tmp in lan wan wifi $(nvram get ifnames); do
 133                                                 [ "$(nvram get ${tmp}_proto)" = "pppoa" ] && {
 134                                                         do_ifup "pppoa" "$tmp" "$INTERFACE"
 135                                                         return 0
 136                                                 }
 137                                         done
 138                                 ;;
 139                                 *)
 140                                         return 0
 141                                 ;;
 142                         esac
 143                 }
 144         }
 145
 146         case "${INTERFACE%%[0-9]*}" in
 147                 ppp|atm);;
 148                 *)
 149                         mac=$(nvram get ${IFTYPE}_hwaddr)
 150                         ${mac:+$DEBUG ifconfig $INTERFACE down hw ether $mac}
 151                 ;;
 152         esac
 153
 154         if="$(nvram get ${IFTYPE}_ifname)"
 155         if [ "${if%%[0-9]}" = "br" ]; then
 156                 if_valid "$INTERFACE" && {
 157                         ifconfig "$if" 2>&- >&- || {
 158                                 stp=$(nvram get ${IFTYPE}_stp)
 159                                 $DEBUG brctl addbr "$if"
 160                                 $DEBUG brctl setfd "$if" 0
 161                                 $DEBUG brctl stp "$if" "${stp:-0}"
 162                         }
 163
 164                         if [ "$INTERFACE" != "$if" ]; then
 165                                 $DEBUG ifconfig "$INTERFACE" 0.0.0.0 up
 166                                 brctl addif "$if" "$INTERFACE"
 167                         else
 168                                 do_ifup "$IFPROTO" "$IFTYPE" "$if"
 169                         fi
 170                 }
 171         else
 172                 [ "${INTERFACE%%[0-9]*}" = "ppp" ] || do_ifup "$IFPROTO" "$IFTYPE" "$if"
 173         fi
 174 }
 175
 176 do_unregister() {
 177         [ -z "$IFTYPE" -o -z "$IFPROTO" ] && find_name
 178         [ -z "$IFTYPE" -o -z "$IFPROTO" ] && return 0
 179
 180         [ "${IFACE%%[0-9]*}" = "br" ] && {
 181                 if [ "$INTERFACE" != "$IFACE" ]; then
 182                         brctl delif "$IFACE" "$INTERFACE" 2>&- >&-
 183                 else
 184                         brctl delbr "$IFACE" 2>&- >&-
 185                 fi
 186         }
 187
 188         case "$IFPROTO" in
 189                 pppoe|pppoa|pptp)
 190                         killall pppd 2>&- >&-
 191                 ;;
 192                 dhcp)
 193                         [ -f /var/run/${INTERFACE}.pid ] && kill "$(cat /var/run/${INTERFACE}.pid)" 2>&- >&-
 194                 ;;
 195         esac
 196
 197         [ "${INTERFACE%%[0-9]*}" = "atm" ] || ifconfig "$INTERFACE" 0.0.0.0 down 2>&-
 198 }
 199
 200 case "$ACTION" in
 201         add|register) do_register;;
 202         remove|unregister) do_unregister;;
 203 esac