Add wifi-hack.sh
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wifi-hack.sh
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wifi-hack.sh
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#!/usr/bin/env bash
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#
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# Script to preconfigure Manjaro ARM installer for WiFi connection
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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 <https://www.gnu.org/licenses/>.
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#
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# @linux-aarhus - root.nix.dk
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#
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set -e
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scriptname=$0
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tmproot="/tmp/root"
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usage(){
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echo "Run script as root using su or sudo"
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echo "Usage: sudo ${scriptname} /dev/mmcblkX ssid passphrase [ ip.x.y.z/24 gw.x.y.z ns.x.y.x ]"
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exit 1
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}
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# run as root
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if ! [[ $(whoami) == "root" ]] ; then
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usage
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fi
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# check if arg1 is block device
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if ! [[ -b $"$1" ]]; then
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echo "'$1' is not a block devicce"
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exit 1
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fi
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# mount partition
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echo Mount sd-card root partition
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mkdir -p "${tmproot}"
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mount "$1"p2 "${tmproot}"
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# create wlan0 network
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# if we have 3 arguments - use dhcp
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if [[ $# -eq 3 ]] ; then
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cat << EOF >> "${tmproot}/etc/systemd/network/wlan0.network"
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[Match]
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Name=wlan0
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[Network]
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DHCP=yes
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EOF
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# if we have 6 arguments - static ip
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elif [[ $# -eq 6 ]]; then
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cat << EOF >> "${tmproot}/etc/systemd/network/wlan0.network"
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[Match]
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Name=wlan0
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[Network]
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Address=$4
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Gateway=$5
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DNS=$6
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EOF
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# argument count must be either 3 or 6
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else
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usage
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fi
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# create wpa_supplicant.conf
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wpa_passphrase "$2" "$3" > "${tmproot}/etc/wpa_supplicant/wpa_supplicant-wlan0.conf"
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# create symlink for wlan0 service
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ln -sf "/usr/lib/systemd/system/wpa_supplicant0.service" \
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"${tmproot}/etc/systemd/system/multi-user.target.wants/wpa_supplicant@wlan0.service"
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# unmount and clean up
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echo Unmounting
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umount ${tmproot}
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echo Cleaning up
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rmdir ${tmproot}
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echo Done
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