split ifup/ifdown/wifi into standalone scripts

[openwrt.git] / root / sbin / ifup

diff --git a/root/sbin/ifup b/root/sbin/ifup
new file mode 100755 (executable)
index 0000000..75ce156
--- /dev/null
+++ b/root/sbin/ifup
@@ -0,0 +1,71 @@
+#!/bin/ash
+. /etc/functions.sh
+  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:-0}
+    for sif in $(nvram_get ${type}_ifnames); do {
+      if_valid $sif || continue
+      $DEBUG ifconfig $sif 0.0.0.0 up
+      $DEBUG brctl addif $if $sif
+    } done
+  fi
+
+  mac=$(nvram_get ${type}_hwaddr)
+  ${mac:+$DEBUG ifconfig $if hw ether $mac}
+
+  if_proto=$(nvram_get ${type}_proto)
+  case "$if_proto" in
+    static)
+      ip=$(nvram_get ${type}_ipaddr)
+      netmask=$(nvram_get ${type}_netmask)
+      gateway=$(nvram_get ${type}_gateway)
+
+      $DEBUG ifconfig $if $if_ip ${netmask:+netmask $netmask} broadcast + up
+      ${gateway:+$DEBUG route add default gw $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
+      ${DEBUG:-eval} "udhcpc -i $if -b -p $pidfile &" 
+    ;;
+    pppoe)
+      username=$(nvram_get ppp_username)
+      password=$(nvram_get ppp_passwd)
+      redial=$(nvram_get ppp_redialperiod)
+      idletime=$(nvram_get ppp_idletime)
+      mtu=$(nvram_get wan_mtu)
+
+      $DEBUG ifconfig $if 0.0.0.0 up
+
+      $DEBUG /sbin/pppoecd $if -u $username -p $password \
+        -i 0 -I $redial -T $idletime -t $mtu -k
+    ;;
+    none)
+    ;;
+    *)
+      echo "### WARNING $if: $if_proto is not supported"
+    ;;
+  esac