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https://github.com/vincentmli/bpfire.git
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600b99fb31
Instead of creating a copy of the configuration values and for better extensibility, we will have udev execute a script that parses /var/ipfire/ethernet/settings and will return the correct name of the corresponding device (green0, blue0, ...).
76 lines
2.7 KiB
Bash
76 lines
2.7 KiB
Bash
#!/bin/bash
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###############################################################################
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# #
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# IPFire.org - A linux based firewall #
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# Copyright (C) 2015 IPFire Team <info@ipfire.org> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <http://www.gnu.org/licenses/>. #
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# #
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###############################################################################
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# Check if all appropriate variables are set
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[ -n "${INTERFACE}" ] || exit 2
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# Ignore virtual interfaces, etc.
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case "${INTERFACE}" in
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lo)
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exit 0
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;;
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tun*)
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exit 0
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;;
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ppp*)
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exit 0
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;;
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esac
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# Check if INTERFACE actually exists
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[ -d "/sys/class/net/${INTERFACE}" ] || exit 1
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# If the network configuration is not readable,
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# we cannot go on.
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if [ ! -r "/var/ipfire/ethernet/settings" ]; then
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exit 1
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fi
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# Read network settings
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eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
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# Standard zones
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ZONES="RED GREEN ORANGE BLUE"
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# Determine the address of INTERFACE
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ADDRESS="$(</sys/class/net/${INTERFACE}/address)"
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# Walk through all zones and find the matching interface
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for zone in ${ZONES}; do
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address="${zone}_MACADDR"
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device="${zone}_DEV"
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# Skip if address or device is unset
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[ -n "${!address}" -a -n "${!device}" ] || continue
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# If a matching interface has been found we will
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# print the name to which udev will rename it.
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if [ "${ADDRESS}" = "${!address}" ]; then
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echo "${!device}"
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exit 0
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fi
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done
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# If we get here we have not found a matching device,
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# but we won't return an error any way. The new device
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# will remain with the previous name.
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exit 0
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