88 lines
2.3 KiB
Bash
88 lines
2.3 KiB
Bash
#!/bin/bash
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# Copyright (c) 2003-2012 by Silvan Calarco <silvan.calarco@mambasoft.it>
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# Copyright (c) 2003-2009,2013 by Davide Madrisan <davide.madrisan@gmail.com>
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. /etc/sysconfig/rc
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. $rc_functions
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. $rc_networkfunctions
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DEVICE=${1}
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if [ -z "$DEVICE" ]; then
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echo "Usage: ifup <device name>" 1>&2
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exit 1
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fi
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[ -r /etc/sysconfig/network ] && . /etc/sysconfig/network
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[ -r $network_devices/ifcfg-${DEVICE} ] && . $network_devices/ifcfg-${DEVICE}
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[ "$NM_CONTROLLED" = "no" ] || exit 0
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if [ "$2" = "--udev" ]; then
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case "$ONBOOT" in
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yes|true|1)
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# udev boot: exit if root filesystem is read only
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[ -w /var/run ] || exit 0
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;;
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*) exit 0
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;;
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esac
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fi
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if [ -x $network_devices/ifup-${DEVICE} ]; then
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$network_devices/ifup-${DEVICE}
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exit 0
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fi
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[ -r $network_devices/ifup-wireless ] && . $network_devices/ifup-wireless
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if [ "$BOOTPROTO" = "dhcp" ]; then
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if [ ! -r /var/run/dhclient.${DEVICE}.pid ]; then
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echo -n "Bringing up the ${DEVICE} interface: "
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/sbin/ifconfig ${DEVICE} up
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dhclient -q ${DEVICE} -nw -pf /var/run/dhclient.${DEVICE}.pid >/dev/null
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evaluate_retval
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echo
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else
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echo -n "Error: dhclient is already running for the interface"
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fi
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else
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[ "$IPADDR" ] || IPADDR=$IP
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if [ "$IPADDR" ]; then
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if [ -z "$NETMASK" ]; then
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echo "\
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NETMASK variable missing in ifcfg-${DEVICE}, echo using 255.255.255.0"
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NETMASK=255.255.255.0
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fi
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[ "$BROADCAST" ] || eval `/bin/ipcalc --broadcast ${IPADDR} ${NETMASK}`
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echo -n "Bringing up the ${DEVICE} interface: "
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/sbin/ifconfig ${DEVICE} $IPADDR netmask $NETMASK broadcast $BROADCAST
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evaluate_retval
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echo
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else
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# if IPADDR is missing interface is brought up anyway without address
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echo -n "Bringing up the ${DEVICE} interface with no address: "
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/sbin/ifconfig ${DEVICE} up
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evaluate_retval
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echo
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fi
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if [ -n "$ETHTOOL_OPTS" ] ; then
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/usr/sbin/ethtool -s ${DEVICE} $ETHTOOL_OPTS
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fi
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if [[ "$GATEWAY_IF" = "${DEVICE}" && -n "$GATEWAY" ]]; then
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echo -n "Setting up default gateway: "
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route add default gateway $GATEWAY metric 1 dev $GATEWAY_IF
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evaluate_retval
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echo
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fi
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fi
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[ -r $network_devices/ifup-routes ] && . $network_devices/ifup-routes ${DEVICE}
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exit 0
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