[1108] | 1 | #!/bin/bash |
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| 2 | # Network Interface Configuration System |
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| 3 | # Copyright (c) 1996-2005 Red Hat, Inc. all rights reserved. |
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| 4 | # |
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| 5 | # This program is free software; you can redistribute it and/or modify |
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| 6 | # it under the terms of the GNU General Public License, version 2, |
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| 7 | # as published by the Free Software Foundation. |
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| 8 | # |
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| 9 | # This program is distributed in the hope that it will be useful, |
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| 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 12 | # GNU General Public License for more details. |
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| 13 | # |
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| 14 | # You should have received a copy of the GNU General Public License |
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| 15 | # along with this program; if not, write to the Free Software |
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| 16 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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| 17 | |
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| 18 | . /etc/init.d/functions |
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| 19 | |
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| 20 | cd /etc/sysconfig/network-scripts |
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[2573] | 21 | . /etc/sysconfig/network-scripts/network-functions |
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[1108] | 22 | |
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[2573] | 23 | [ -f /etc/sysconfig/network ] && . /etc/sysconfig/network |
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[1108] | 24 | |
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| 25 | CONFIG=${1} |
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| 26 | |
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| 27 | need_config ${CONFIG} |
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| 28 | |
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| 29 | source_config |
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| 30 | |
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| 31 | # Old BOOTP variable |
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| 32 | if [ "${BOOTP}" = "yes" ]; then |
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| 33 | BOOTPROTO=bootp |
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| 34 | fi |
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| 35 | |
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| 36 | if [ "${BOOTPROTO}" = "bootp" -o "${BOOTPROTO}" = "dhcp" ]; then |
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| 37 | DYNCONFIG=true |
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| 38 | fi |
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| 39 | |
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| 40 | # load the module associated with that device |
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| 41 | # /sbin/modprobe ${REALDEVICE} |
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| 42 | is_available ${REALDEVICE} |
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| 43 | |
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| 44 | # remap, if the device is bound with a MAC address and not the right device num |
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| 45 | # bail out, if the MAC does not fit |
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| 46 | if [ -n "${HWADDR}" ]; then |
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| 47 | FOUNDMACADDR=`get_hwaddr ${REALDEVICE}` |
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| 48 | if [ "${FOUNDMACADDR}" != "${HWADDR}" -a "${FOUNDMACADDR}" != "${MACADDR}" ]; then |
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| 49 | echo $"Device ${DEVICE} has different MAC address than expected, ignoring." |
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| 50 | exit 1 |
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| 51 | fi |
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| 52 | fi |
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| 53 | |
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| 54 | if [ "${TYPE}" = "Bridge" ]; then |
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| 55 | if [ ! -x /usr/sbin/brctl ]; then |
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| 56 | echo $"Bridge support not available: brctl not found" |
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| 57 | exit 1 |
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| 58 | fi |
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| 59 | if [ ! -d /sys/class/net/${DEVICE}/bridge ]; then |
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| 60 | /usr/sbin/brctl addbr ${DEVICE} || exit 1 |
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| 61 | fi |
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| 62 | [ -n "${DELAY}" ] && /usr/sbin/brctl setfd ${DEVICE} ${DELAY} |
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| 63 | [ -n "${GCINT}" ] && /usr/sbin/brctl setgcint ${DEVICE} ${GCINT} |
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| 64 | [ -n "${STP}" ] && /usr/sbin/brctl stp ${DEVICE} ${STP} |
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| 65 | fi |
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| 66 | |
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| 67 | # now check the real state |
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| 68 | is_available ${REALDEVICE} || { |
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| 69 | if [ -n "$alias" ]; then |
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| 70 | echo $"$alias device ${DEVICE} does not seem to be present, delaying initialization." |
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| 71 | else |
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| 72 | echo $"Device ${DEVICE} does not seem to be present, delaying initialization." |
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| 73 | fi |
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| 74 | exit 1 |
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| 75 | } |
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| 76 | |
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| 77 | # is the device wireless? If so, configure wireless device specifics |
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[2573] | 78 | is_wireless_device ${DEVICE} && . /etc/sysconfig/network-scripts/ifup-wireless |
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[1108] | 79 | |
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| 80 | if [ -n "${BRIDGE}" -a -x /usr/sbin/brctl ]; then |
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| 81 | if [ ! -d /sys/class/net/${BRIDGE}/bridge ]; then |
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| 82 | /usr/sbin/brctl addbr ${BRIDGE} 2>/dev/null |
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| 83 | fi |
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| 84 | /sbin/ip addr flush dev ${DEVICE} 2>/dev/null |
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| 85 | /sbin/ip link set dev ${DEVICE} up |
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| 86 | if [ -n "$ETHTOOL_OPTS" ] ; then |
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| 87 | /sbin/ethtool -s ${REALDEVICE} $ETHTOOL_OPTS |
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| 88 | fi |
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| 89 | [ -n "${LINKDELAY}" ] && /bin/sleep ${LINKDELAY} |
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| 90 | /usr/sbin/brctl addif ${BRIDGE} ${DEVICE} |
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| 91 | # Upon adding a device to a bridge, |
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| 92 | # it's necessary to make radvd reload its config |
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| 93 | [ -r /var/run/radvd/radvd.pid ] && kill -HUP `cat /var/run/radvd/radvd.pid` |
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| 94 | exit 0 |
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| 95 | fi |
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| 96 | |
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| 97 | # this isn't the same as the MAC in the configuration filename. It is |
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| 98 | # available as a configuration option in the config file, forcing the kernel |
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| 99 | # to think an ethernet card has a different MAC address than it really has. |
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| 100 | if [ -n "${MACADDR}" ]; then |
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| 101 | ip link set dev ${DEVICE} address ${MACADDR} |
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| 102 | fi |
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| 103 | if [ -n "${MTU}" ]; then |
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| 104 | ip link set dev ${DEVICE} mtu ${MTU} |
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| 105 | fi |
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| 106 | |
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| 107 | # slave device? |
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| 108 | if [ "${SLAVE}" = yes -a "${ISALIAS}" = no -a "${MASTER}" != "" ]; then |
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| 109 | grep -wq "${DEVICE}" /sys/class/net/${MASTER}/bonding/slaves || { |
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| 110 | /sbin/ip link set dev ${DEVICE} down |
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| 111 | echo "+${DEVICE}" > /sys/class/net/${MASTER}/bonding/slaves 2>/dev/null |
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| 112 | } |
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| 113 | if [ -n "$ETHTOOL_OPTS" ] ; then |
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| 114 | /sbin/ethtool -s ${REALDEVICE} $ETHTOOL_OPTS |
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| 115 | fi |
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| 116 | |
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| 117 | exit 0 |
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| 118 | fi |
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| 119 | |
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| 120 | # Bonding initialization. For DHCP, we need to enslave the devices early, |
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| 121 | # so it can actually get an IP. |
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| 122 | if [ "$ISALIAS" = no ] && is_bonding_device ${DEVICE} ; then |
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| 123 | |
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| 124 | /sbin/ip link set dev ${DEVICE} down |
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| 125 | |
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| 126 | # add the bits to setup driver parameters here |
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| 127 | for arg in $BONDING_OPTS ; do |
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| 128 | key=${arg%%=*}; |
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| 129 | value=${arg##*=}; |
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| 130 | if [ "${key}" = "arp_ip_target" ]; then |
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| 131 | OLDIFS=$IFS; |
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| 132 | IFS=','; |
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| 133 | for arp_ip in $value; do |
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| 134 | echo +$arp_ip > /sys/class/net/${DEVICE}/bonding/$key |
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| 135 | done |
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| 136 | IFS=$OLDIFS; |
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| 137 | else |
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| 138 | echo $value > /sys/class/net/${DEVICE}/bonding/$key |
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| 139 | fi |
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| 140 | done |
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| 141 | |
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| 142 | /sbin/ip link set dev ${DEVICE} up |
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| 143 | [ -n "${LINKDELAY}" ] && /bin/sleep ${LINKDELAY} |
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| 144 | for device in `LANG=C grep -l "^[[:space:]]*MASTER=${DEVICE}" /etc/sysconfig/network-scripts/ifcfg-*` ; do |
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| 145 | is_ignored_file "$device" && continue |
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| 146 | /sbin/ifup ${device##*/} |
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| 147 | done |
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| 148 | |
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| 149 | # add the bits to setup the needed post enslavement parameters |
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| 150 | for arg in $BONDING_OPTS ; do |
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| 151 | key=${arg%%=*}; |
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| 152 | value=${arg##*=}; |
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| 153 | if [ "${key}" = "primary" ]; then |
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| 154 | echo $value > /sys/class/net/${DEVICE}/bonding/$key |
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| 155 | fi |
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| 156 | done |
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| 157 | fi |
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| 158 | |
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| 159 | |
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| 160 | if [ -n "${DYNCONFIG}" -a -x /sbin/dhclient ]; then |
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| 161 | # Remove any temporary references which were previously added to dhclient config |
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| 162 | if [ -w /etc/dhclient-${DEVICE}.conf ] ; then |
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| 163 | LC_ALL=C grep -v "# temporary RHL ifup addition" /etc/dhclient-${DEVICE}.conf > /etc/dhclient-${DEVICE}.conf.ifupnew 2> /dev/null |
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| 164 | cat /etc/dhclient-${DEVICE}.conf.ifupnew > /etc/dhclient-${DEVICE}.conf |
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| 165 | rm -f /etc/dhclient-${DEVICE}.conf.ifupnew |
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| 166 | fi |
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| 167 | if [[ "${PERSISTENT_DHCLIENT}" = [yY1]* ]]; then |
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| 168 | ONESHOT=""; |
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| 169 | else |
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| 170 | ONESHOT="-1"; |
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| 171 | fi; |
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| 172 | if [ -n "${DHCP_HOSTNAME}" ]; then |
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| 173 | # Send a host-name to the DHCP server (requ. by some dhcp servers). |
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| 174 | if [ -w /etc/dhclient-${DEVICE}.conf ] ; then |
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| 175 | if ! LC_ALL=C grep "send *host-name *\"${DHCP_HOSTNAME}\"" /etc/dhclient-${DEVICE}.conf > /dev/null 2>&1 ; then |
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| 176 | echo "send host-name \"${DHCP_HOSTNAME}\"; # temporary RHL ifup addition" >> /etc/dhclient-${DEVICE}.conf |
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| 177 | fi |
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| 178 | elif ! [ -e /etc/dhclient-${DEVICE}.conf ] ; then |
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| 179 | echo "send host-name \"${DHCP_HOSTNAME}\"; # temporary RHL ifup addition" >> /etc/dhclient-${DEVICE}.conf |
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| 180 | fi |
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| 181 | fi |
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| 182 | # allow users to use generic '/etc/dhclient.conf' (as documented in manpage!) |
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| 183 | # if per-device file doesn't exist or is empty |
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| 184 | if [ -s /etc/dhclient-${DEVICE}.conf ]; then |
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| 185 | DHCLIENTCONF="-cf /etc/dhclient-${DEVICE}.conf"; |
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| 186 | else |
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| 187 | DHCLIENTCONF=''; |
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| 188 | fi; |
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| 189 | # copy any lease obtained by the initrd |
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| 190 | if [ -f /dev/.dhclient-${DEVICE}.leases ] ; then |
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| 191 | mv -f /dev/.dhclient-${DEVICE}.leases /var/lib/dhclient/dhclient-${DEVICE}.leases |
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| 192 | [ -x /sbin/restorecon ] && restorecon /var/lib/dhclient/dhclient-${DEVICE}.leases > /dev/null 2>&1 |
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| 193 | fi |
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| 194 | DHCLIENTARGS="${DHCLIENTARGS} ${ONESHOT} -q ${DHCLIENTCONF} -lf /var/lib/dhclient/dhclient-${DEVICE}.leases -pf /var/run/dhclient-${DEVICE}.pid" |
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| 195 | echo |
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| 196 | echo -n $"Determining IP information for ${DEVICE}..." |
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| 197 | if [[ "${PERSISTENT_DHCLIENT}" != [yY1]* ]] && check_link_down ${DEVICE}; then |
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| 198 | echo $" failed; no link present. Check cable?" |
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| 199 | ip link set dev ${DEVICE} down >/dev/null 2>&1 |
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| 200 | exit 1 |
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| 201 | fi |
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| 202 | |
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| 203 | if [ -n "$ETHTOOL_OPTS" ] ; then |
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| 204 | /sbin/ethtool -s ${REALDEVICE} $ETHTOOL_OPTS |
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| 205 | fi |
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| 206 | |
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| 207 | if /sbin/dhclient ${DHCLIENTARGS} ${DEVICE} ; then |
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| 208 | echo $" done." |
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| 209 | else |
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| 210 | echo $" failed." |
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| 211 | exit 1 |
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| 212 | fi |
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| 213 | # end dynamic device configuration |
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| 214 | else |
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| 215 | if [ -z "${IPADDR}" ]; then |
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| 216 | # enable device without IP, useful for e.g. PPPoE |
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| 217 | ip link set dev ${REALDEVICE} up |
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| 218 | if [ -n "$ETHTOOL_OPTS" ] ; then |
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| 219 | /sbin/ethtool -s ${REALDEVICE} $ETHTOOL_OPTS |
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| 220 | fi |
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| 221 | [ -n "${LINKDELAY}" ] && /bin/sleep ${LINKDELAY} |
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| 222 | |
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| 223 | /etc/sysconfig/network-scripts/ifup-ipv6 ${CONFIG} |
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| 224 | exec /etc/sysconfig/network-scripts/ifup-post ${CONFIG} ${2} |
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| 225 | fi |
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| 226 | |
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| 227 | expand_config |
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| 228 | |
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| 229 | [ -n "${ARP}" ] && \ |
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| 230 | ip link set dev ${REALDEVICE} $(toggle_value arp $ARP) |
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| 231 | |
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| 232 | if ! ip link set dev ${REALDEVICE} up ; then |
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| 233 | echo $"Failed to bring up ${DEVICE}." |
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| 234 | exit 1 |
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| 235 | fi |
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| 236 | |
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| 237 | if [ -n "$ETHTOOL_OPTS" ] ; then |
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| 238 | /sbin/ethtool -s ${REALDEVICE} $ETHTOOL_OPTS |
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| 239 | fi |
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| 240 | |
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| 241 | [ -n "${LINKDELAY}" ] && /bin/sleep ${LINKDELAY} |
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| 242 | |
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| 243 | if [ "${DEVICE}" = "lo" ]; then |
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| 244 | SCOPE="scope host" |
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| 245 | else |
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| 246 | SCOPE=${SCOPE:-} |
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| 247 | fi |
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| 248 | |
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| 249 | if [ -n "$SRCADDR" ]; then |
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| 250 | SRC="src $SRCADDR" |
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| 251 | else |
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| 252 | SRC= |
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| 253 | fi |
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| 254 | |
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| 255 | if [ "${REALDEVICE}" != "lo" ]; then |
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| 256 | if ! LC_ALL=C ip addr ls ${REALDEVICE} | LC_ALL=C grep -q "${IPADDR}/${PREFIX}" ; then |
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| 257 | if ! /sbin/arping -q -c 2 -w 3 -D -I ${REALDEVICE} ${IPADDR} ; then |
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| 258 | echo $"Error, some other host already uses address ${IPADDR}." |
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| 259 | exit 1 |
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| 260 | fi |
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| 261 | if ! ip addr add ${IPADDR}/${PREFIX} \ |
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| 262 | brd ${BROADCAST:-+} dev ${REALDEVICE} ${SCOPE} label ${DEVICE}; then |
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| 263 | echo $"Error adding address ${IPADDR} for ${DEVICE}." |
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| 264 | fi |
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| 265 | fi |
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| 266 | |
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| 267 | if [ -n "$SRCADDR" ]; then |
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| 268 | sysctl -w "net.ipv4.conf.${REALDEVICE}.arp_filter=1" >/dev/null 2>&1 |
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| 269 | fi |
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| 270 | |
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| 271 | # update ARP cache of neighboring computers |
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| 272 | /sbin/arping -q -A -c 1 -I ${REALDEVICE} ${IPADDR} |
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| 273 | ( sleep 2; |
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| 274 | /sbin/arping -q -U -c 1 -I ${REALDEVICE} ${IPADDR} ) > /dev/null 2>&1 < /dev/null & |
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| 275 | fi |
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| 276 | |
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| 277 | # Set a default route. |
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| 278 | if [ -z "${GATEWAYDEV}" -o "${GATEWAYDEV}" = "${REALDEVICE}" ]; then |
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| 279 | # set up default gateway. replace if one already exists |
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| 280 | if [ -n "${GATEWAY}" -a "`ipcalc --network ${GATEWAY} ${NETMASK} 2>/dev/null`" = "NETWORK=${NETWORK}" ]; then |
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| 281 | ip route replace default ${METRIC:+metric $METRIC} \ |
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| 282 | via ${GATEWAY} ${WINDOW:+window $WINDOW} ${SRC} \ |
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| 283 | ${GATEWAYDEV:+dev $GATEWAYDEV} |
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| 284 | elif [ "${GATEWAYDEV}" = "${DEVICE}" ]; then |
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| 285 | ip route replace default ${METRIC:+metric $METRIC} \ |
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| 286 | ${SRC} ${WINDOW:+window $WINDOW} dev ${REALDEVICE} |
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| 287 | fi |
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| 288 | fi |
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| 289 | fi |
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| 290 | |
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| 291 | # Add Zeroconf route. |
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| 292 | if [ -z "${NOZEROCONF}" -a "${ISALIAS}" = "no" -a "${REALDEVICE}" != "lo" ]; then |
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| 293 | ip route add 169.254.0.0/16 dev ${REALDEVICE} metric $((1000 + $(cat /sys/class/net/${REALDEVICE}/ifindex))) scope link |
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| 294 | fi |
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| 295 | |
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| 296 | # IPv6 initialisation? |
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| 297 | /etc/sysconfig/network-scripts/ifup-ipv6 ${CONFIG} |
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| 298 | if [[ "${DHCPV6C}" = [Yy1]* ]] && [ -x /sbin/dhcp6c ]; then |
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| 299 | /sbin/dhcp6c ${DEVICE}; |
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| 300 | dhcp6_pid=(`/bin/ps -eo 'pid,args' | /bin/grep "dhcp6c ${DEVICE}" | egrep -v grep`); |
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| 301 | echo ${dhcp6_pid[0]} > /var/run/dhcp6c_${DEVICE}.pid |
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| 302 | fi |
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| 303 | |
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| 304 | if [ "${IPX}" = yes ]; then |
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| 305 | /etc/sysconfig/network-scripts/ifup-ipx ${DEVICE} |
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| 306 | fi |
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| 307 | |
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| 308 | exec /etc/sysconfig/network-scripts/ifup-post ${CONFIG} ${2} |
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| 309 | |
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