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