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