sysconfig/network-scripts/ifup

   1 #!/bin/sh
   2 #
   3 #       $Id: ifup,v 1.56 2001/05/15 16:03:44 baggins Exp $
   4 #
   5 PATH=/sbin:/usr/sbin:/bin:/usr/bin
   6
   7 . /etc/sysconfig/network
   8 . /etc/rc.d/init.d/functions
   9 . /etc/sysconfig/network-scripts/.functions
  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                 export IPV4_NETWORKING
  19         fi
  20 fi
  21
  22 need_hostname
  23
  24 # device name must be ifcfg-somename
  25 DEV=$1
  26
  27 [ -z "$DEV" ] && {
  28     nls "usage: %s <device name>" "ifup" >&2
  29     exit 1
  30 }
  31
  32 if [ `id -u` != 0 ]; then
  33     if [ -x /sbin/usernetctl ]; then
  34         exec /sbin/usernetctl $DEV up
  35     fi
  36     nls "Users cannot control this device." >&2
  37     exit 1
  38 fi
  39
  40 if [ -f "/etc/sysconfig/interfaces/ifcfg-$DEV" ] ; then
  41         CONFIG="/etc/sysconfig/interfaces/ifcfg-$DEV"
  42 else
  43         CONFIG="$DEV"
  44 fi
  45
  46 source_config
  47
  48 if [ "foo$2" = "fooboot" ] && is_no "${ONBOOT}"; then
  49     exit
  50 fi
  51
  52 IPSETUP=no
  53
  54 # set all major variables
  55 setup_ip_param
  56
  57 OTHERSCRIPT="/etc/sysconfig/network-scripts/ifup-${DEVICETYPE}"
  58
  59 if [ -x "$OTHERSCRIPT" ]; then
  60     if [ "$HANDLING" = "0" ]; then
  61         exec $OTHERSCRIPT $CONFIG $2
  62     elif [ "$HANDLING" = "1" ]; then
  63         $OTHERSCRIPT $CONFIG $2
  64     fi
  65 fi
  66
  67 # is this device available? (this catches PCMCIA devices for us)
  68 if ! (/sbin/ip link set multicast ${MULTICAST} dev ${DEVICE} > /dev/null 2>&1); then
  69     nls "Delaying %s initialization" ${DEVICE}
  70     exit 1
  71 fi
  72
  73 if is_yes "$SLAVE" && [ -n "$MASTER" -a -x /sbin/ifenslave ]; then
  74     RFLAG="" && is_yes "${RECIEVE-ONLY}" && RFLAG="-r"
  75
  76     ip link set ${DEVICE} down
  77     nls "Enslaving %s to %s" "$DEVICE" "$MASTER"
  78     ifenslave $RFLAG "$MASTER" "$DEVICE"
  79
  80     exit 0
  81 fi
  82
  83 if [ -n "$MACADDR" ]; then
  84    ip link set ${DEVICE} address ${MACADDR}
  85 fi
  86
  87 ip link set ${DEVICE} multicast ${MULTICAST} arp ${ARP} down
  88
  89 if is_yes "${IPV6_NETWORKING}" && is_yes "${IPV6_DISABLE_AUTOCONF}"; then
  90         run_cmd "Disabling IPv6 autoconfiguration" sysctl -w net.ipv6.conf.${DEVICE}=0
  91 fi
  92
  93 if [ "$HANDLING" = "2" ]; then
  94         exit 0
  95 fi
  96
  97 if [ -n "$BOOTPROTO" -a "$BOOTPROTO" != "none" ]; then
  98
  99     if is_yes "$IPV4_NETWORKING"; then
 100         if [ "$BOOTPROTO" = "bootp" -o "$BOOTPROTO" = "pump" ]; then
 101                 DHCP_CLIENT=/sbin/pump
 102         fi
 103
 104         if [ -z "$DHCP_CLIENT" ]; then
 105                 if [ -x /sbin/dhcpcd ]; then
 106                         DHCP_CLIENT=/sbin/dhcpcd
 107                 elif [ -x /sbin/dhclient ]; then
 108                         DHCP_CLIENT=/sbin/dhclient
 109                 elif [ -x /sbin/dhcpxd ]; then
 110                         DHCP_CLIENT=/sbin/dhcpxd
 111                 elif [ -x /sbin/pump ]; then
 112                         DHCP_CLIENT=/sbin/pump
 113                 else
 114                         nls "Can't find a dhcp client."
 115                         exit 1
 116                 fi
 117         fi
 118
 119         DHCP_ARGS=
 120         if [ -n "$DHCP_CLIENT" ]; then
 121                 case $(basename $DHCP_CLIENT) in
 122                         pump)
 123                         [ -n "$DHCP_HOSTNAME" ] && DHCP_ARGS="-h $DHCP_HOSTNAME"
 124                         DHCP_ARGS="$DHCP_ARGS -i $DEVICE"
 125                         ;;
 126                         dhcpcd)
 127                         [ -n "$DHCP_HOSTNAME" ] && DHCP_ARGS="-h $DHCP_HOSTNAME"
 128                         DHCP_ARGS="$DHCP_ARGS $DEVICE"
 129                         ;;
 130                         dhcpxd)
 131                         [ -n "$DHCP_HOSTNAME" ] && DHCP_ARGS="-H $DHCP_HOSTNAME"
 132                         DHCP_ARGS="$DHCP_ARGS $DEVICE"
 133                         ;;
 134                         dhclient)
 135                         # Can't specify a host with dhclient ?
 136                         DHCP_ARGS="$DEVICE"
 137                         ;;
 138                 esac
 139         fi
 140         DHCP_ARGS="$DHCP_OPTIONS $DHCP_ARGS"
 141
 142         if ! run_cmd "$(nls 'Determining IP information for') $DEVICE ($(basename $DHCP_CLIENT))" $DHCP_CLIENT $DHCP_ARGS ; then
 143                 exit 1
 144         fi
 145
 146         # give time for determining IP information
 147         check_device_down && sleep 1 && check_device_down && sleep 3
 148         check_device_down && ip link set ${DEVICE} up
 149     fi
 150
 151 else
 152
 153     # IPv4 in use ?
 154     if is_yes "$IPV4_NETWORKING" ; then
 155         # If broadcast is missing then autocalculate it
 156         if ! (echo $IP4ADDROPT | egrep -q "brd|broadcast"); then
 157                 IP4ADDROPT="brd + ${IP4ADDROPT}"
 158         fi
 159
 160         if [ -n "$REMIP" ]; then
 161                 ip addr add ${IP4ADDR} peer ${REMIP} dev ${DEVICE} ${IP4ADDROPT}
 162         else
 163                 ip addr add ${IP4ADDR} dev ${DEVICE} ${IP4ADDROPT}
 164         fi
 165     fi
 166
 167     # Set device up
 168     ip link set ${DEVICE} up
 169
 170     # IPv6 in use ?
 171     if is_yes "$IPV6_NETWORKING" ; then
 172         ip addr add ${IP6ADDR} dev ${DEVICE} ${IP6ADDROPT}
 173     fi
 174
 175     # IPv4/6 gateways and default routes
 176     setup_ip_gw_ro
 177 fi
 178
 179 if [ "$HANDLING" = "3" ]; then
 180         exit 0
 181 fi
 182
 183 if is_yes "$IPX"; then
 184         /etc/sysconfig/network-scripts/ifup-ipx $DEVICE
 185 fi
 186
 187 if [ "$HANDLING" = "4" ]; then
 188         exit 0
 189 fi
 190
 191 exec /etc/sysconfig/network-scripts/ifup-post $CONFIG
 192
 193 # This must be last line !
 194 # vi:syntax=sh:tw=78:ts=8:sw=4