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#!/bin/sh
########################################################################
# Begin /lib/services/bridge
#
# Description : Bridge Boot Script
#
# Authors : Nathan Coulson - nathan@linuxfromscratch.org
# Bruce Dubbs - bdubbs@linuxfromscratch.org
#
# Version : LFS-7.2
#
########################################################################
. /lib/lsb/init-functions
. ${IFCONFIG}
# Make compatible with older versions of init-functions
unset is_true
is_true()
{
[ "$1" = "1" ] || [ "$1" = "yes" ] || [ "$1" = "true" ] ||
[ "$1" = "y" ] || [ "$1" = "t" ]
}
if [ -z "${INTERFACE_COMPONENTS}" ]; then
log_failure_msg "INTERFACE_COMPONENTS variable missing from ${IFCONFIG}"
exit 1
fi
case "${2}" in
up)
log_info_msg2 "\n"
log_info_msg "Creating the ${1} interface..."
brctl addbr ${1}
evaluate_retval
for I in ${INTERFACE_COMPONENTS}; do
log_info_msg "Adding ${I} to ${1}..."
brctl addif ${1} ${I}
evaluate_retval
done
if is_true ${STP}; then
brctl stp ${1} on
log_success_msg "Setting spanning tree protocol"
fi
if is_true ${IP_FORWARD}; then
sysctl -w net.ipv4.ip_forward=1 > /dev/null
log_success_msg "Setting net.ipv4.ip_forward = 1"
fi
;;
down)
for I in ${INTERFACE_COMPONENTS}; do
log_info_msg "Removing ${I} from ${1}..."
ip link set ${I} down &&
brctl delif ${1} ${I}
evaluate_retval
done
log_info_msg "Bringing down the ${1} interface..."
ip link set ${1} down
brctl delbr ${1}
evaluate_retval
;;
*)
echo "Usage: ${0} [interface] {up|down}"
exit 1
;;
esac
# End /lib/services/bridge
|
