| 1 | #!/bin/sh
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| 2 | ########################################################################
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| 3 | # Begin /lib/services/bridge
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| 4 | #
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| 5 | # Description : Bridge Boot Script
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| 6 | #
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| 7 | # Authors : Nathan Coulson - nathan@linuxfromscratch.org
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| 8 | # Bruce Dubbs - bdubbs@linuxfromscratch.org
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| 9 | #
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| 10 | # Version : LFS-7.2
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| 11 | #
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| 12 | ########################################################################
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| 13 |
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| 14 | . /lib/lsb/init-functions
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| 15 | . ${IFCONFIG}
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| 16 |
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| 17 | # Make compatible with older versions of init-functions
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| 18 | unset is_true
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| 19 |
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| 20 | is_true()
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| 21 | {
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| 22 | [ "$1" = "1" ] || [ "$1" = "yes" ] || [ "$1" = "true" ] ||
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| 23 | [ "$1" = "y" ] || [ "$1" = "t" ]
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| 24 | }
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| 25 |
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| 26 | if [ -z "${INTERFACE_COMPONENTS}" ]; then
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| 27 | log_warning_msg "INTERFACE_COMPONENTS variable missing from ${IFCONFIG}"
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| 28 | fi
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| 29 |
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| 30 | case "${2}" in
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| 31 | up)
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| 32 | log_info_msg2 "\n"
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| 33 | log_info_msg "Creating the ${1} interface..."
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| 34 | brctl addbr ${1}
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| 35 | evaluate_retval
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| 36 |
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| 37 | if [ -n "${INTERFACE_COMPONENTS}" ]; then
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| 38 |
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| 39 | for I in ${INTERFACE_COMPONENTS}; do
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| 40 | log_info_msg "Adding ${I} to ${1}..."
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| 41 | brctl addif ${1} ${I}
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| 42 | evaluate_retval
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| 43 | done
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| 44 |
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| 45 | fi
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| 46 |
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| 47 | if is_true ${STP}; then
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| 48 | brctl stp ${1} on
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| 49 | log_success_msg "Setting spanning tree protocol"
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| 50 | fi
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| 51 |
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| 52 | if is_true ${IP_FORWARD}; then
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| 53 | sysctl -w net.ipv4.ip_forward=1 > /dev/null
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| 54 | log_success_msg "Setting net.ipv4.ip_forward = 1"
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| 55 | fi
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| 56 | ;;
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| 57 |
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| 58 | down)
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| 59 | if [ -n "${INTERFACE_COMPONENTS}" ]; then
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| 60 |
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| 61 | for I in ${INTERFACE_COMPONENTS}; do
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| 62 | log_info_msg "Removing ${I} from ${1}..."
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| 63 | ip link set ${I} down &&
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| 64 | brctl delif ${1} ${I}
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| 65 | evaluate_retval
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| 66 | done
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| 67 |
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| 68 | fi
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| 69 | log_info_msg "Bringing down the ${1} interface..."
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| 70 | ip link set ${1} down
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| 71 | brctl delbr ${1}
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| 72 | evaluate_retval
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| 73 | ;;
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| 74 |
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| 75 | *)
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| 76 | echo "Usage: ${0} [interface] {up|down}"
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| 77 | exit 1
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| 78 | ;;
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| 79 | esac
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| 80 |
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| 81 | # End /lib/services/bridge
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| 82 |
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