sysconfig/network-scripts/ifup

   1 #!/bin/sh
   2 #
   3 #       $Id: ifup,v 1.34 1999/12/15 18:41:09 misiek 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     echo "usage: ifup <device name>" >&2
  17     exit 1
  18 }
  19
  20 if [ `id -u` != 0 ]; then
  21     if [ -x /usr/sbin/usernetctl ]; then
  22         exec /usr/sbin/usernetctl $DEV up
  23     fi
  24     echo "Users cannot control this device." >&2
  25     exit 1
  26 fi
  27
  28 IFCONFIGS="`ls /etc/sysconfig/interfaces/ifcfg-*|egrep -v '~$' 2> /dev/null`"
  29 if [ "$IFCONFIGS" ]; then
  30     IFCONFIGS="`egrep -L '^#!' $IFCONFIGS`"
  31 fi
  32 if [ "$IFCONFIGS" ]; then
  33     CONFIG="`egrep -l "^DEVICE=[\"\']*$DEV[\"\']*\$" $IFCONFIGS`"
  34 fi
  35
  36 if [ -z "$CONFIG" ]; then
  37     CONFIG="$DEV"
  38 fi
  39
  40 source_config
  41
  42 if [ "foo$2" = "fooboot" -a "${ONBOOT}" = "no" ]; then
  43     exit
  44 fi
  45
  46 IPSETUP=no
  47
  48 # full network device name
  49 FULLDEVNAME="$DEVICE"
  50 # detect network device type (dummy, eth ..)
  51 DEVICETYPE=`echo $FULLDEVNAME | sed "s/[0-9]*$//"`
  52 # przyjmuje eth0 przy {eth0,eth0:1,eth0:alias}
  53 DEVICE=`echo $FULLDEVNAME | sed 's/:.*//g'`
  54
  55 if echo "$FULLDEVNAME" | grep -q ':' ; then
  56     ISALIAS=yes
  57 else
  58     ISALIAS=no
  59 fi
  60
  61 # Old BOOTP variable
  62 if [ "$BOOTP" = "yes" ]; then
  63     BOOTPROTO=bootp
  64 fi
  65
  66 if [ "$BOOTPROTO" = bootp -o "$BOOTPROTO" = "dhcp" ]; then
  67     PUMP=true
  68 fi
  69
  70 # IPv4, IPv6 or both ?
  71 [ -n "$IPV6_ADDR" ]                  && IPv6=yes || IPv6=no
  72 [ -n "$IPADDR" -o "$PUMP" = "true" ] && IPv4=yes || IPv4=no
  73
  74 # Tunnel device ?
  75 [ -f /etc/sysconfig/interfaces/tnlcfg-${FULLDEVNAME} ] && TNL=yes || TNL=no
  76
  77 if [ "$TNL" = "yes" ]; then
  78         TNLOPTS="onlink"
  79 fi
  80
  81 if [ -z "$PREFIX" -a -z "$NETMASK" ]; then
  82         PREFIX="32"
  83 fi
  84
  85 if [ -z "$PREFIX" -a -n "$NETMASK" ]; then
  86         PREFIX="`calcprefix $NETMASK`"
  87 fi
  88
  89 if [ -z "$NETMASK" -a -n "$PREFIX" ]; then
  90         NETMASK="`calcnetmask $PREFIX`"
  91 fi
  92
  93 [ "$MULTICAST" = "yes" ] && MULTICAST=on               || MULTICAST=off
  94 [ -n "$SRC_ADDR" ]        && SRC_ADDR="src ${SRC_ADDR}" || SRC_ADDR=""
  95 [ -z "$PROTOCOL" ]        && PROTOCOL=ip
  96
  97 if [ "$ARP" ]; then
  98         [ "$ARP" = "yes" ]      && ARP=on       || ARP=off
  99 elif [ "$DEVICETYPE" = "eth" ]; then
 100         ARP=on
 101 else
 102         ARP=off
 103 fi
 104
 105 OTHERSCRIPT="/etc/sysconfig/network-scripts/ifup-${DEVICETYPE}"
 106
 107 if [ -x "$OTHERSCRIPT" -a "$IPv4" = "yes" ]; then
 108     if [ "$DEFAULTHANDLING" = "yes" ]; then
 109         $OTHERSCRIPT $CONFIG $2
 110     else
 111         exec $OTHERSCRIPT $CONFIG $2
 112     fi
 113 fi
 114
 115 # is this device available? (this catches PCMCIA devices for us)
 116 if ! (/sbin/ip link set multicast ${MULTICAST} dev ${DEVICE} > /dev/null 2>&1); then
 117     echo "Delaying ${FULLDEVNAME} initialization."
 118     exit 0
 119 fi
 120
 121 if [ "$SLAVE" = "yes" -a "$ISALIAS" = "no" -a "$MASTER" != "" -a -x /sbin/ifenslave ]; then
 122     RFLAG="" ; [ "${RECIEVE-ONLY}" = "yes" ] && RFLAG="-r"
 123
 124     ip link set ${DEVICE} down
 125     echo "Enslaving $DEVICE to $MASTER"
 126     ifenslave $RFLAG "$MASTER" "$DEVICE"
 127
 128     exit 0
 129 fi
 130
 131 if [ -n "$MACADDR" ]; then
 132    ip link set ${DEVICE} address ${MACADDR}
 133 fi
 134
 135 if [ -n "$PUMP" -a "$ISALIAS" = "no" ]; then
 136
 137     echo -n "Determining IP information for $FULLDEVNAME..."
 138     if /sbin/pump -i $FULLDEVNAME ; then
 139        echo " done."
 140     else
 141        echo " failed."
 142        exit 1
 143     fi
 144
 145 else
 146
 147 if [ "$IPv4" = "yes" ]; then
 148     if [ -z "$PREFIX" ]; then
 149         eval `/bin/ipcalc --prefix ${IPADDR}`
 150     fi
 151
 152     if [ -z "$BROADCAST" ]; then
 153         eval `/bin/ipcalc --broadcast ${IPADDR} ${NETMASK}`
 154     fi
 155
 156     if [ -z "$NETWORK" ]; then
 157         eval `/bin/ipcalc --network ${IPADDR} ${NETMASK}`
 158     fi
 159 fi
 160
 161     ip link set ${DEVICE} multicast ${MULTICAST} arp ${ARP} up
 162
 163 if [ "$IPv4" = "yes" ]; then
 164     ip -family inet addr add ${IPADDR}/${PREFIX} broadcast ${BROADCAST} dev ${DEVICE} label ${FULLDEVNAME}
 165
 166     # Another IPv4 aliases support
 167     for ADDR4 in ${IPADDR_ALIASES} ; do
 168         ip -family inet addr add ${ADDR4} dev ${DEVICE} label ${FULLDEVNAME} broadcast \+
 169     done
 170 fi
 171
 172
 173 # IPv6 rules
 174     if [ "${IPV6_NETWORKING}" = "yes" ] ; then
 175
 176       for ADDR6 in ${IPV6_ADDR} ; do
 177         ip -family inet6 addr add ${ADDR6} dev ${DEVICE} label ${FULLDEVNAME}
 178         ip -family inet6 route add ${ADDR6} dev ${DEVICE} ${TNLOPTS}
 179       done
 180
 181       # only for sit tunnel device
 182       if (ip tunnel show ${FULLDEVNAME} 2>&1 | grep -q "ipv6/ip") && [ "$TNL" = "yes" ]; then
 183
 184         for ADDR4 in `ip -4 addr | grep inet | grep -v "127\..*\..*\..*" | \
 185                       sed -e "s#.*inet ##" | sed -e "s#/.*##" | xargs`; do
 186         ip -family inet6 addr add fe80::${ADDR4}/10 dev ${DEVICE} \
 187         label ${FULLDEVNAME} scope link 2> /dev/null
 188         done
 189
 190       fi
 191
 192     fi
 193
 194 # hack for 2.2 kernels
 195 if [ "$IPv4" = "yes" ]; then
 196     if [ "$ISALIAS" = "no" -a -z "`ip -f inet route | sed "s/ .*//" | grep ${NETWORK}`" ]; then
 197         ip -family inet route add ${NETWORK}/${PREFIX} dev ${DEVICE} ${SRC_ADDR} ${TNLOPTS}
 198     else
 199         ip -family inet route add ${IPADDR}/32 dev ${DEVICE} ${SRC_ADDR} ${TNLOPTS}
 200     fi
 201 fi
 202
 203 #    . /etc/sysconfig/network
 204
 205     if [ "${GATEWAY}" != "" ]; then
 206         if [ "${GATEWAYDEV}" = "" -o "${GATEWAYDEV}" = "${FULLDEVNAME}" ]; then
 207             # set up default gateway
 208             ip -family inet route add default via ${GATEWAY} dev ${DEVICE} ${SRC_ADDR} ${TNLOPTS}
 209             DEFGW=${GATEWAY}
 210         fi
 211     fi
 212
 213     if [ "$BOOTPROTO" = bootp -a "$ISALIAS" = no ]; then
 214         if [ -n "$GATEWAYS" ]; then
 215             for gw in $GATEWAYS; do
 216                 if [ "$gw" != "${DEFGW}" ]; then
 217                     ip -family inet route add default via $gw dev ${DEVICE} ${SRC_ADDR} ${TNLOPTS}
 218                 fi
 219             done
 220         fi
 221
 222         if [ -n "$DNSSRVS" -a -n "$SEARCH" ]; then
 223             echo "search $SEARCH" > /etc/resolv.conf
 224             for dns in $DNSSRVS; do
 225                     echo "nameserver $dns" >> /etc/resolv.conf
 226             done
 227         fi
 228
 229         if [ -n "$BOOTPHOSTNAME" -a -n "$NEEDHOSTNAME" ]; then
 230             set_hostname $BOOTPHOSTNAME
 231         fi
 232     fi
 233 fi
 234
 235 if [ "$IPX" = "yes" ]; then
 236         /etc/sysconfig/network-scripts/ifup-ipx $DEVICE
 237 fi
 238
 239 exec /etc/sysconfig/network-scripts/ifup-post $CONFIG