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43 lines
1.8 KiB
Bash
Executable File
43 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
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################################################################################
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# This file is part of OpenELEC - http://www.openelec.tv
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# Copyright (C) 2009-2014 Stephan Raue (stephan@openelec.tv)
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#
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# OpenELEC 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 2 of the License, or
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# (at your option) any later version.
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#
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# OpenELEC 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 OpenELEC. If not, see <http://www.gnu.org/licenses/>.
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################################################################################
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# Creates a unique machine-id based on a local MAC address which persists over
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# reboots, upgrades and reinstallation. For systems with slow loading network
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# drivers (no MAC's available) dbus-uuidgen is used which persists over reboot
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# and upgrades but not reinstallation. If a MAC is used it is hashed to make it
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# anonymous. The machine-id is used by dbus and systemd, and to collect basic
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# active-installation statistics on LibreELEC users.
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if [ -e "/storage/.cache/machine-id" ]; then
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MACHINEID=`cat /storage/.cache/machine-id`
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elif [ -e "/sys/class/net/eth0/address" ]; then
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MAC_ADDRESS=`cat /sys/class/net/eth0/address`
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elif [ -e "/sys/class/net/wlan0/address" ]; then
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MAC_ADDRESS=`cat /sys/class/net/wlan0/address`
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else
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MAC_ADDRESS=`/usr/bin/dbus-uuidgen`
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fi
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if [ -z "$MACHINEID" ]; then
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MACHINEID=`echo $MAC_ADDRESS | md5sum | cut -f1 -d" "`
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mkdir -p /storage/.cache
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fi
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echo "$MACHINEID" > /storage/.cache/machine-id
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