lib/ifdown

   1 #!/bin/sh
   2 #
   3 #
   4 PATH=/sbin:/usr/sbin:/bin:/usr/bin
   5
   6 run_pre_down() { :; }
   7
   8 . /etc/sysconfig/network
   9 . /etc/rc.d/init.d/functions
  10 . /lib/rc-scripts/functions.network
  11
  12 # Will be removed in the future
  13 if is_yes "$NETWORKING" ; then
  14         if [ -z "$IPV4_NETWORKING" ] ; then
  15                 echo "NETWORKING is set to YES, but IPV4_NETWORKING is empty!"
  16                 echo "Please upgrade your config"
  17                 echo "Assuming you want IPv4 networking"
  18                 IPV4_NETWORKING=yes
  19         fi
  20 fi
  21
  22 DEV=$1
  23
  24 [ -z "$DEV" ] && {
  25         nls "Usage: %s <device name>" "ifdown" >&2
  26         exit 1
  27 }
  28
  29 if [ -f "/etc/sysconfig/interfaces/ifcfg-$DEV" ] ; then
  30         CONFIG="/etc/sysconfig/interfaces/ifcfg-$DEV"
  31 else
  32         CONFIG="$DEV"
  33 fi
  34
  35 if [ "$(id -u)" != "0" ]; then
  36         if [ -x /sbin/usernetctl ]; then
  37                 exec /sbin/usernetctl $CONFIG down
  38         fi
  39         echo "Users cannot control this device." >&2
  40         exit 1
  41 fi
  42
  43 source_config
  44
  45 # set all major variables
  46 setup_ip_param
  47
  48 # anything you need done first
  49 run_pre_down
  50
  51 OTHERSCRIPT="/lib/rc-scripts/ifdown-${DEVICETYPE}"
  52
  53 # shutdown tleds software
  54 if [ "$TLEDS_DEV" = "$DEVICE" -a -x /usr/bin/tleds ]; then
  55         /usr/bin/tleds -qk "$DEVICE"
  56 fi
  57
  58 if [ -x $OTHERSCRIPT ]; then
  59         if [ "$HANDLING" = "0" ]; then
  60                 exec $OTHERSCRIPT $CONFIG $2
  61         elif [ "$HANDLING" = "1" ]; then
  62                 $OTHERSCRIPT $CONFIG $2
  63         fi
  64 fi
  65
  66 if is_yes "$ENABLE_6TO4"; then
  67         tun6to4=tun6to4_$DEVICE
  68         /sbin/ip -6 route flush dev $tun6to4 2>/dev/null
  69         if [ $? = 0 ]; then   # the tunnel has been set up in ifup
  70                 /sbin/ip link set dev $tun6to4 down
  71                 /sbin/ip tunnel del $tun6to4
  72         fi
  73 fi
  74
  75 if [ -n "$BOOTPROTO" -a "$BOOTPROTO" != "none" -a "$BOOTPROTO" != "static" ]; then
  76         if is_yes "$IPV4_NETWORKING"; then
  77                 set_dhcpclient
  78
  79                 case ${DHCP_CLIENT##*/} in
  80                   pump)
  81                         $DHCP_CLIENT -r -i ${DEVICE}
  82                         RESULT=$?
  83                         ;;
  84                   dhcpcd)
  85                         $DHCP_CLIENT -k ${DEVICE}
  86                         RESULT=$?
  87                         sleep 1
  88                         ;;
  89                   dhcpxd)
  90                         $DHCP_CLIENT -k ${DEVICE}
  91                         RESULT=$?
  92                         ;;
  93                   dhclient)
  94                         if [ -f "/var/run/dhclient.$DEVICE.pid" ] ; then
  95                                 $DHCP_CLIENT -r -pf /var/run/dhclient.$DEVICE.pid -lf /var/lib/dhclient/dhclient.$DEVICE.leases 2>/dev/null
  96                                 RESULT=$?
  97                         elif [ -f /var/run/dhclient.pid ]; then
  98                                 # may be left by older rc-scripts
  99                                 PID=$(cat /var/run/dhclient.pid)
 100                                 if kill -0 $PID 2>/dev/null; then
 101                                         kill $PID
 102                                         RESULT=$?
 103                                 fi
 104                         fi
 105                         ;;
 106                   avahi-autoipd)
 107                         $DHCP_CLIENT -k ${DEVICE}
 108                         RESULT=$?
 109                         ;;
 110                 esac
 111         fi
 112 fi
 113
 114 if is_yes "${WLAN_WPA}"; then
 115         killproc --pidfile "wpa_supplicant-${DEVICE}.pid" wpa_supplicant > /dev/null 2>&1
 116         rm -f "/var/run/wpa_supplicant-${DEVICE}.pid"
 117 fi
 118
 119 # Check to make sure the device is actually up
 120 check_device_down && exit 0
 121
 122 if [ -n "${SUBDEVICE}" ]; then
 123         ip addr del ${IP4ADDR} label ${SUBDEVICE} dev ${DEVICE}
 124 else
 125         LC_ALL=C ip addr flush dev ${DEVICE} 2>&1 | grep -v "Nothing to flush"
 126         ip link set ${DEVICE} down
 127 fi
 128
 129 if [ "$HANDLING" = "4" ]; then
 130         exit 0
 131 fi
 132
 133 if [ -n "$RESULT" ] ; then
 134         if [ "$RESULT" -ne "0" ]; then
 135                 exit $RESULT
 136         fi
 137 fi
 138
 139 exec /lib/rc-scripts/ifdown-post $CONFIG