lib/ifdown

   1 #!/bin/sh
   2 #
   3 #       $Id$
   4 #
   5 PATH=/sbin:/usr/sbin:/bin:/usr/bin
   6
   7 . /etc/sysconfig/network
   8 . /etc/rc.d/init.d/functions
   9 . /lib/rc-scripts/functions.network
  10
  11 # Will be removed in the future
  12 if is_yes "$NETWORKING" ; then
  13         if [ -z "$IPV4_NETWORKING" ] ; then
  14                 echo "NETWORKING is set to YES, but IPV4_NETWORKING is empty!"
  15                 echo "Please upgrade your config"
  16                 echo "Assuming you want IPv4 networking"
  17                 IPV4_NETWORKING=yes
  18         fi
  19 fi
  20
  21 DEV=$1
  22
  23 [ -z "$DEV" ] && {
  24         nls "Usage: %s <device name>" "ifdown" >&2
  25         exit 1
  26 }
  27
  28 if [ -f "/etc/sysconfig/interfaces/ifcfg-$DEV" ] ; then
  29         CONFIG="/etc/sysconfig/interfaces/ifcfg-$DEV"
  30 else
  31         CONFIG="$DEV"
  32 fi
  33
  34 if [ "$(id -u)" != "0" ]; then
  35         if [ -x /sbin/usernetctl ]; then
  36                 exec /sbin/usernetctl $CONFIG down
  37         fi
  38         echo "Users cannot control this device." >&2
  39         exit 1
  40 fi
  41
  42 source_config
  43
  44 # set all major variables
  45 setup_ip_param
  46
  47 OTHERSCRIPT="/lib/rc-scripts/ifdown-${DEVICETYPE}"
  48
  49 # shutdown tleds software
  50 if [ "$TLEDS_DEV" = "$DEVICE" -a -x /usr/bin/tleds ]; then
  51         /usr/bin/tleds -qk "$DEVICE"
  52 fi
  53
  54 if [ -x $OTHERSCRIPT ]; then
  55         if [ "$HANDLING" = "0" ]; then
  56                 exec $OTHERSCRIPT $CONFIG $2
  57         elif [ "$HANDLING" = "1" ]; then
  58                 $OTHERSCRIPT $CONFIG $2
  59         fi
  60 fi
  61
  62 if is_yes "$ENABLE_6TO4"; then
  63         tun6to4=tun6to4_$DEVICE
  64         /sbin/ip -6 route flush dev $tun6to4 2>/dev/null
  65         if [ $? = 0 ]; then   # the tunnel has been set up in ifup
  66                 /sbin/ip link set dev $tun6to4 down
  67                 /sbin/ip tunnel del $tun6to4
  68         fi
  69 fi
  70
  71 if [ -n "$BOOTPROTO" -a "$BOOTPROTO" != "none" -a "$BOOTPROTO" != "static" ]; then
  72         if is_yes "$IPV4_NETWORKING"; then
  73                 set_dhcpclient
  74
  75                 case ${DHCP_CLIENT##*/} in
  76                   pump)
  77                         $DHCP_CLIENT -r -i ${DEVICE}
  78                         RESULT=$?
  79                         ;;
  80                   dhcpcd)
  81                         $DHCP_CLIENT -k ${DEVICE}
  82                         RESULT=$?
  83                         sleep 1
  84                         ;;
  85                   dhcpxd)
  86                         $DHCP_CLIENT -k ${DEVICE}
  87                         RESULT=$?
  88                         ;;
  89                   dhclient)
  90                         if [ -f "/var/run/dhclient.$DEVICE.pid" ] ; then
  91                                 $DHCP_CLIENT -r -pf /var/run/dhclient.$DEVICE.pid -lf /var/lib/dhclient/dhclient.$DEVICE.leases 2>/dev/null
  92                                 RESULT=$?
  93                         elif [ -f /var/run/dhclient.pid ]; then
  94                                 # may be left by older rc-scripts
  95                                 PID=$(cat /var/run/dhclient.pid)
  96                                 if kill -0 $PID 2>/dev/null; then
  97                                         kill $PID
  98                                         RESULT=$?
  99                                 fi
 100                         fi
 101                         ;;
 102                   avahi-autoipd)
 103                         $DHCP_CLIENT -k ${DEVICE}
 104                         RESULT=$?
 105                         ;;
 106                 esac
 107         fi
 108 fi
 109
 110 if is_yes "${WLAN_WPA}"; then
 111         killproc --pidfile "wpa_supplicant-${DEVICE}.pid" wpa_supplicant > /dev/null 2>&1
 112         rm -f "/var/run/wpa_supplicant-${DEVICE}.pid"
 113 fi
 114
 115 # Check to make sure the device is actually up
 116 check_device_down && exit 0
 117
 118 if [ -n "${SUBDEVICE}" ]; then
 119         ip addr del ${IP4ADDR} label ${SUBDEVICE} dev ${DEVICE}
 120 else
 121         LC_ALL=C ip addr flush dev ${DEVICE} 2>&1 | grep -v "Nothing to flush"
 122
 123         if [ ${DEVICETYPE} = "bond" ]; then
 124                 if [ ! -x /sbin/ifenslave ]; then
 125                         nls "%s is missing. Can't continue." "/sbin/ifenslave"
 126                         exit 1
 127                 fi
 128
 129                 # get up the bonding device before enslaving
 130                 if ! check_device_down "${DEVICE}"; then
 131                         ip link set ${DEVICE} up
 132                 fi
 133
 134                 for BSVAR in $(awk '/Slave Interface:/{ print $3}' /proc/net/bonding/${DEVICE}); do
 135                         if [ "${BSVAR}" ]; then
 136                                 ifenslave -d ${DEVICE} $BSVAR
 137                         fi
 138                 done
 139         fi
 140
 141         ip link set ${DEVICE} down
 142 fi
 143
 144 if [ "$HANDLING" = "4" ]; then
 145         exit 0
 146 fi
 147
 148 if [ -n "$RESULT" ] ; then
 149         if [ "$RESULT" -ne "0" ]; then
 150                 exit $RESULT
 151         fi
 152 fi
 153
 154 exec /lib/rc-scripts/ifdown-post $CONFIG