sysconfig/network-scripts/ifup

   1 #!/bin/sh
   2 #
   3 #       $Id: ifup,v 1.48 2000/09/23 20:43:05 saq 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 need_hostname
  12
  13 DEV=$1
  14
  15 [ -z "$DEV" ] && {
  16     nls "usage: ifup <device name>" >&2
  17     exit 1
  18 }
  19
  20 if [ `id -u` != 0 ]; then
  21     if [ -x /sbin/usernetctl ]; then
  22         exec /sbin/usernetctl $DEV up
  23     fi
  24     nls "Users cannot control this device." >&2
  25     exit 1
  26 fi
  27
  28 if [ -f "/etc/sysconfig/interfaces/ifcfg-$DEV" ] ; then
  29         CONFIG="/etc/sysconfig/interfaces/ifcfg-$DEV"
  30 else
  31         CONFIG="$DEV"
  32 fi
  33
  34 source_config
  35
  36 if [ "foo$2" = "fooboot" ] && is_no "${ONBOOT}"; then
  37     exit
  38 fi
  39
  40 IPSETUP=no
  41
  42 # full network device name
  43 FULLDEVNAME="$DEVICE"
  44 # real name of device (is eth0 for eth0,eth0:1,eth0:alias)
  45 DEVICE=`echo $FULLDEVNAME | sed 's/:.*//g'`
  46 # detect network device type (dummy, eth ..)
  47 DEVICETYPE=`echo $DEVICE | sed "s/[0-9]*$//"`
  48
  49 if echo "$FULLDEVNAME" | grep -q ':' ; then
  50     ISALIAS=yes
  51 else
  52     ISALIAS=no
  53 fi
  54
  55 # Old BOOTP variable
  56 if is_yes "$BOOTP"; then
  57     BOOTPROTO=bootp
  58 fi
  59
  60 if [ "$BOOTPROTO" = bootp ]; then
  61     DYNIP=pump
  62 fi
  63
  64 if [ "$BOOTPROTO" = "dhcp" ]; then
  65     DYNIP=dhcpcd
  66 fi
  67
  68 # IPv4, IPv6 or both ?
  69 [ -n "$IPV6_ADDR" ]             && IPv6=yes || IPv6=no
  70 [ -n "$IPADDR" -o -n "$DYNIP" ] && IPv4=yes || IPv4=no
  71
  72 # Tunnel device ?
  73 [ -f /etc/sysconfig/interfaces/tnlcfg-${FULLDEVNAME} ] && TNL=yes || TNL=no
  74
  75 if [ "$TNL" = "yes" ]; then
  76         TNLOPTS="onlink"
  77 fi
  78
  79 if [ -z "$PREFIX" -a -z "$NETMASK" ]; then
  80         PREFIX="32"
  81 fi
  82
  83 if [ -z "$PREFIX" -a -n "$NETMASK" ]; then
  84         PREFIX="`calcprefix $NETMASK`"
  85 fi
  86
  87 if [ -z "$NETMASK" -a -n "$PREFIX" ]; then
  88         NETMASK="`calcnetmask $PREFIX`"
  89 fi
  90
  91 is_yes "$MULTICAST"     && MULTICAST=on                 || MULTICAST=off
  92 [ -n "$SRC_ADDR" ]      && SRC_ADDR="src ${SRC_ADDR}"   || SRC_ADDR=""
  93 [ -n "$SCOPE" ]         && SCOPE="scope ${SCOPE}"       || SCOPE=""
  94
  95 if [ "$ARP" ]; then
  96         is_yes "$ARP"    && ARP=on      || ARP=off
  97 elif [ "$DEVICETYPE" = "eth" ]; then
  98         ARP=on
  99 else
 100         ARP=off
 101 fi
 102
 103 OTHERSCRIPT="/etc/sysconfig/network-scripts/ifup-${DEVICETYPE}"
 104
 105 if [ -x "$OTHERSCRIPT" ]; then
 106     if [ "$DEFAULTHANDLING" = "yes" ]; then
 107         $OTHERSCRIPT $CONFIG $2
 108     else
 109         exec $OTHERSCRIPT $CONFIG $2
 110     fi
 111 fi
 112
 113 # is this device available? (this catches PCMCIA devices for us)
 114 if ! (/sbin/ip link set multicast ${MULTICAST} dev ${DEVICE} > /dev/null 2>&1); then
 115     echo "Delaying ${FULLDEVNAME} initialization."
 116     exit 0
 117 fi
 118
 119 if [ "$SLAVE" = "yes" -a "$ISALIAS" = "no" -a "$MASTER" != "" -a -x /sbin/ifenslave ]; then
 120     RFLAG="" ; [ "${RECIEVE-ONLY}" = "yes" ] && RFLAG="-r"
 121
 122     ip link set ${DEVICE} down
 123     echo "Enslaving $DEVICE to $MASTER"
 124     ifenslave $RFLAG "$MASTER" "$DEVICE"
 125
 126     exit 0
 127 fi
 128
 129 if [ -n "$MACADDR" ]; then
 130    ip link set ${DEVICE} address ${MACADDR}
 131 fi
 132
 133 if [ -n "$DYNIP" -a "$ISALIAS" = "no" ]; then
 134
 135     echo -n "`nls "Determining IP information for %s" $FULLDEVNAME...`"
 136     if [ "$DYNIP" = "pump" ]; then
 137        if /sbin/pump -i $FULLDEVNAME ; then
 138           nls " done."
 139        else
 140           nls " failed."
 141           exit 1
 142        fi
 143     else
 144        if /sbin/dhcpcd $FULLDEVNAME "$DHCPOPTIONS" ; then
 145           nls " done."
 146        else
 147           nls " failed."
 148           exit 1
 149        fi
 150     fi
 151
 152 else
 153
 154     if [ "$IPv4" = "yes" ]; then
 155         if [ -z "$PREFIX" ]; then
 156             eval `/bin/ipcalc --prefix ${IPADDR}`
 157         fi
 158
 159         if [ -z "$BROADCAST" ]; then
 160             eval `/bin/ipcalc --broadcast ${IPADDR} ${NETMASK}`
 161         fi
 162
 163         if [ -z "$NETWORK" ]; then
 164             eval `/bin/ipcalc --network ${IPADDR} ${NETMASK}`
 165         fi
 166     fi
 167
 168     ip link set ${DEVICE} multicast ${MULTICAST} arp ${ARP} up
 169
 170     # IPv4 rules
 171     if [ "$IPv4" = "yes" ]; then
 172         if [ -n "$REMIP" ]; then
 173             ip -family inet addr add ${IPADDR} peer ${REMIP} dev ${DEVICE} label ${FULLDEVNAME} ${SCOPE}
 174         else
 175             ip -family inet addr add ${IPADDR}/${PREFIX} broadcast ${BROADCAST} dev ${DEVICE} label ${FULLDEVNAME} ${SCOPE}
 176         fi
 177         # Another IPv4 aliases support
 178         for ADDR4 in ${IPADDR_ALIASES} ; do
 179             ip -family inet addr add ${ADDR4} dev ${DEVICE} label ${FULLDEVNAME} broadcast \+
 180         done
 181     fi
 182
 183     # IPv6 rules
 184     if is_yes "${IPV6_NETWORKING}"; then
 185       proc_net ipv6/conf/${DEVICE}/autoconf start 0 1 IPV6_AUTOCONF "IPv6 address autoconfiguration on ${DEVICE}"
 186
 187       for ADDR6 in ${IPV6_ADDR} ; do
 188         ip -family inet6 addr add ${ADDR6} dev ${DEVICE} label ${FULLDEVNAME}
 189       done
 190
 191       if is_no "${IPV6_FORWARDING}" ; then
 192         if [ "${GATEWAY6}" != "" ]; then
 193           if [ "${GATEWAY6DEV}" = "" -o "${GATEWAY6DEV}" = "${FULLDEVNAME}" ]; then
 194                 # set up default gateway
 195                 ip -family inet6 route add default via ${GATEWAY6} dev ${DEVICE}
 196           fi
 197         fi
 198       else
 199         if [ "${IPV6_GLOBALROUTE}" != "" ] ; then
 200           if [ "${IPV6_GLOBALROUTEDEV}" = "" -o "${IPV6_GLOBALROUTEDEV}" = "${FULLDEVNAME}" ]; then
 201             ip -family inet6 route add 2000::/3 via ${IPV6_GLOBALROUTE} dev ${DEVICE}
 202           fi
 203         fi
 204       fi
 205     fi
 206
 207     if [ "${GATEWAY}" != "" ]; then
 208         if [ "${GATEWAYDEV}" = "" -o "${GATEWAYDEV}" = "${FULLDEVNAME}" ]; then
 209             # set up default gateway
 210             ip -family inet route add default via ${GATEWAY} dev ${DEVICE} ${SRC_ADDR} ${TNLOPTS}
 211             DEFGW=${GATEWAY}
 212         fi
 213     fi
 214
 215     if [ "$BOOTPROTO" = bootp -a "$ISALIAS" = no ]; then
 216         if [ -n "$GATEWAYS" ]; then
 217             for gw in $GATEWAYS; do
 218                 if [ "$gw" != "${DEFGW}" ]; then
 219                     ip -family inet route add default via $gw dev ${DEVICE} ${SRC_ADDR} ${TNLOPTS}
 220                 fi
 221             done
 222         fi
 223
 224         if [ -n "$DNSSRVS" -a -n "$SEARCH" ]; then
 225             echo "search $SEARCH" > /etc/resolv.conf
 226             for dns in $DNSSRVS; do
 227                     echo "nameserver $dns" >> /etc/resolv.conf
 228             done
 229         fi
 230
 231         if [ -n "$BOOTPHOSTNAME" -a -n "$NEEDHOSTNAME" ]; then
 232             set_hostname $BOOTPHOSTNAME
 233         fi
 234     fi
 235 fi
 236
 237 if is_yes "$IPX"; then
 238         /etc/sysconfig/network-scripts/ifup-ipx $DEVICE
 239 fi
 240
 241 exec /etc/sysconfig/network-scripts/ifup-post $CONFIG