2021-10-06 14:03:25 -04:00
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#!/bin/bash
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# Configure Stormux
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# A script to configure the system for new users.
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#
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# Copyright 2020, Storm Dragon, <storm_dragon@linux-a11y.org>
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#
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# This is free software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free
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# Software Foundation; either version 3, or (at your option) any later
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# version.
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#
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# This software 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 GNU
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# 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 package; see the file COPYING. If not, write to the Free
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# Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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#
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#--code--
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# The user can not be logged in when the name change occurs.
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# Write a file to /etc/cron.d/chuser
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# The file will run at boot, change the username, and delete itself.
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if [[ $# -ne 1 ]]; then
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msgbox "Missing required argument, username."
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exit 1
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fi
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if [[ "$(whoami)" == "root" ]]; then
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msgbox "Please run this script as the user you would like to rename, not as root."
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exit 1
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fi
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2021-10-18 00:46:11 -04:00
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oldUser="$USER"
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2021-10-06 14:03:25 -04:00
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2021-10-18 00:46:11 -04:00
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groups="$(groups "$oldUser")"
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2021-10-06 14:03:25 -04:00
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groups="${groups// /,}"
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2021-10-18 00:46:11 -04:00
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newUser="$1"
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2021-10-06 14:03:25 -04:00
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if ! [[ "$newUser" =~ ^[a-z][-a-z0-9]*$ ]]; then
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msgbox "Username $newUser failed validation. It cannot contain spaces or some punctuation."
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exit 1
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fi
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# Heredocument left-aligned
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cat << EOF | sudo tee /etc/cron.d/0chuser &> /dev/null
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SHELL=/bin/bash
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PATH=/sbin:/bin:/usr/sbin:/usr/bin
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@reboot root usermod -a -G $groups -m -d /home/$newUser -l $newUser $oldUser && sed -i -e "s#NODM_USER=.*#NODM_USER='$newUser'#" -e "s#NODM_XSESSION=.*#NODM_XSESSION='/home/$newUser/.xinitrc'#" /etc/nodm.conf; rm -f /etc/cron.d/0chuser;reboot
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EOF
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# Heredocument end.
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# Files in cron.d must be 644 to work.
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sudo chmod 644 /etc/cron.d/0chuser
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