lib/ifdown

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