sysconfig/network-scripts/ifup

   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 . /etc/sysconfig/network-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                 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 if [ "foo$2" = "foohotplug" ] && ! is_yes "${HOTPLUG}"; then
  53         exit
  54 fi
  55
  56 if [ "foo$2" = "foopcmcia-hotplug" ] && ! is_yes "${PCMCIA_HOTPLUG}"; then
  57         exit
  58 fi
  59
  60 IPSETUP=no
  61
  62 # set all major variables
  63 setup_ip_param
  64
  65 OTHERSCRIPT="/etc/sysconfig/network-scripts/ifup-${DEVICETYPE}"
  66
  67 if [ -x "$OTHERSCRIPT" ]; then
  68         if is_yes "$DEFAULTHANDLING"; then
  69                 HANDLING=1
  70         fi
  71         if [ "$HANDLING" = "0" ]; then
  72                 exec $OTHERSCRIPT $CONFIG $2
  73         elif [ "$HANDLING" = "1" ]; then
  74                 $OTHERSCRIPT $CONFIG $2
  75         fi
  76 fi
  77
  78 # is this device available? (this catches PCMCIA devices for us)
  79 if ! /sbin/ip link set multicast ${MULTICAST} dev ${DEVICE} > /dev/null 2>&1; then
  80         nls "Delaying %s initialization" ${DEVICE}
  81         exit 1
  82 fi
  83
  84 if is_yes "$SLAVE" && [ -n "$MASTER" -a -x /sbin/ifenslave ]; then
  85         RFLAG="" && is_yes "${RECIEVE-ONLY}" && RFLAG="-r"
  86
  87         ip link set ${DEVICE} down
  88         nls "Enslaving %s to %s" "$DEVICE" "$MASTER"
  89         ifenslave $RFLAG "$MASTER" "$DEVICE"
  90
  91         exit 0
  92 fi
  93
  94 if [ -n "$MACADDR" ]; then
  95         ip link set ${DEVICE} address ${MACADDR}
  96 fi
  97
  98 ip link set ${DEVICE} multicast ${MULTICAST} ${ARP} down
  99
 100 if [ -n "$MTU" ]; then
 101         ip link set ${DEVICE} mtu ${MTU}
 102 fi
 103
 104 if is_yes "${IPV6_NETWORKING}" && is_yes "${IPV6_DISABLE_AUTOCONF}"; then
 105         run_cmd "Disabling IPv6 autoconfiguration" sysctl -w net.ipv6.conf.${DEVICE}.autoconf=0
 106 fi
 107
 108 if is_wireless_device "${DEVICE}"; then
 109         is_yes "${WLAN_UPEARLY}" && ip link set ${DEVICE} up
 110         wireless_param ${DEVICE}
 111         if is_yes "${WLAN_WPA}"; then
 112                 /usr/sbin/wpa_supplicant -B -w -D ${WLAN_WPA_DRIVER} -c ${WLAN_WPA_CONFIG} -i ${DEVICE} ${WLAN_WPA_OPTIONS} -P "/var/run/wpa_supplicant-${DEVICE}.pid"
 113         fi
 114 fi
 115
 116 if [ "$HANDLING" = "2" ]; then
 117         exit 0
 118 fi
 119
 120 if [ -n "$BOOTPROTO" -a "$BOOTPROTO" != "none" -a "$BOOTPROTO" != "static" ]; then
 121         if is_yes "$IPV4_NETWORKING"; then
 122                 set_dhcpclient
 123
 124                 DHCP_ARGS=
 125                 if [ -n "$DHCP_CLIENT" ]; then
 126                         if [ -z "$DHCP_HOSTNAME" ]; then
 127                                 DHCP_HOSTNAME="$HOSTNAME"
 128                         fi
 129                         case ${DHCP_CLIENT##*/} in
 130                           pump)
 131                                 [ -n "$DHCP_HOSTNAME" ] && DHCP_ARGS="-h $DHCP_HOSTNAME"
 132                                 DHCP_ARGS="$DHCP_ARGS -i $DEVICE"
 133                                 ;;
 134                           dhcpcd)
 135                                 [ -n "$DHCP_HOSTNAME" ] && DHCP_ARGS="-h $DHCP_HOSTNAME"
 136                                 DHCP_ARGS="$DHCP_ARGS $DEVICE"
 137                                 ;;
 138                           dhcpxd)
 139                                 [ -n "$DHCP_HOSTNAME" ] && DHCP_ARGS="-H $DHCP_HOSTNAME"
 140                                 DHCP_ARGS="$DHCP_ARGS $DEVICE"
 141                                 ;;
 142                           dhclient)
 143                                 # Can't specify a host with dhclient ?
 144                                 DHCP_ARGS="$DEVICE"
 145                                 ;;
 146                         esac
 147                 fi
 148                 DHCP_ARGS="$DHCP_OPTIONS $DHCP_ARGS"
 149
 150                 if check_link_down ${DEVICE}; then
 151                         run_cmd "$(nls 'Determining IP information for %s (%s)' "$DEVICE" "${DHCP_CLIENT##*/}")" /bin/false
 152                         nls '%s: Check cable/radio on-off switch?' "$DEVICE"
 153                         exit 1
 154                 fi
 155
 156                 if ! run_cmd "$(nls 'Determining IP information for %s (%s)' "$DEVICE" "${DHCP_CLIENT##*/}")" $DHCP_CLIENT $DHCP_ARGS; then
 157                         exit 1
 158                 fi
 159
 160                 # give time for determining IP information
 161                 check_device_down && sleep 1 && check_device_down && sleep 3
 162                 check_device_down && ip link set ${DEVICE} up
 163         fi
 164 else
 165         # IPv4 in use ?
 166         if is_yes "$IPV4_NETWORKING" && [ -n "${IP4ADDR}" ]; then
 167                 # If broadcast is missing then autocalculate it
 168                 if ! (echo $IP4ADDROPT | egrep -q "brd|broadcast"); then
 169                         IP4ADDROPT="brd + ${IP4ADDROPT}"
 170                 fi
 171
 172                 if [ -n "$REMIP" ]; then
 173                         ip addr add ${IP4ADDR} peer ${REMIP} dev ${DEVICE} ${IP4ADDROPT}
 174                 else
 175                         ip addr add ${IP4ADDR} dev ${DEVICE} ${IP4ADDROPT}
 176                 fi
 177         fi
 178
 179         # Set device up
 180         ip link set ${DEVICE} up
 181
 182         # IPv6 in use ?
 183         if is_yes "$IPV6_NETWORKING" && [ -n "${IP6ADDR}" ]; then
 184                 ip addr add ${IP6ADDR} dev ${DEVICE} ${IP6ADDROPT}
 185         fi
 186
 187         # IPv4/6 gateways and default routes
 188         setup_ip_gw_ro
 189 fi
 190
 191 # device have to have ip address set before
 192 if is_yes "$PROXYARP"; then
 193         run_cmd "$(nls 'Enabling proxy ARP on %s' "${DEVICE}")" sysctl -w net.ipv4.conf.${DEVICE}.proxy_arp=1
 194 fi
 195
 196 if [ "$HANDLING" = "3" ]; then
 197         exit 0
 198 fi
 199
 200 if is_yes "$IPX"; then
 201         /etc/sysconfig/network-scripts/ifup-ipx $DEVICE
 202 fi
 203
 204 if [ "$HANDLING" = "4" ]; then
 205         exit 0
 206 fi
 207
 208 exec /etc/sysconfig/network-scripts/ifup-post $CONFIG
 209
 210 # This must be last line !
 211 # vi:syntax=sh