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Storm Dragon
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configure-stormux.sh
Executable file
195
configure-stormux.sh
Executable file
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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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# UI code starts here.
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# Settings to improve accessibility of dialog.
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export DIALOGOPTS='--insecure --no-lines --visit-items'
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inputbox() {
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# Returns: text entered by the user
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# Args 1, Instructions for box.
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# args: 2 initial text (optional)
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dialog --backtitle "$(gettext "Enter text and press enter.")" \
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--clear \
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--inputbox "$1" 0 0 "$2" --stdout
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}
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passwordbox() {
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# Returns: text entered by the user
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# Args 1, Instructions for box.
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# args: 2 initial text (optional)
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dialog --backtitle "$(gettext "Enter text and press enter.")" \
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--clear \
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--passwordbox "$1" 0 0 "$2" --stdout
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}
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msgbox() {
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# Returns: None
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# Shows the provided message on the screen with an ok button.
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dialog --clear --msgbox "$*" 10 72
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}
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infobox() {
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# Returns: None
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# Shows the provided message on the screen with no buttons.
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local timeout=3
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dialog --infobox "$*" 0 0
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read -n1 -t $timeout continue
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# Clear any keypresses from the buffer
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read -t 0.01 continue
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}
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yesno() {
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# Returns: Yes or No
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# Args: Question to user.
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# Called in if $(yesno) == "Yes"
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# Or variable=$(yesno)
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dialog --clear --backtitle "$(gettext "Press 'Enter' for \"yes\" or 'Escape' for \"no\".")" --yesno "$*" 10 80 --stdout
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if [[ $? -eq 0 ]]; then
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echo "Yes"
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else
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echo "No"
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fi
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}
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menulist() {
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# Args: List of items for menu.
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# returns: selected tag
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local menuList
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for i in "${@}" ; do
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menuList+=("$i" "$i")
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done
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dialog --backtitle "Use the up and down arrow keys to find the option you want, then press enter to select it." \
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--clear \
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--no-tags \
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--menu "Please select an option" 0 0 0 ${menuList[@]} --stdout
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return $?
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}
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show_doc() {
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# Displays file in w3m using pager mode
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# Args: path to file.
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# Returns: none.
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fold -sw $cols "$1" | w3m -o keymap_file=~/.w3m/pager
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}
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# System modification functions begin here.
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change_user() {
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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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# Args: new username.
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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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local oldUser="$USER"
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local groups="$(groups "$oldUser")"
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groups="${groups// /,}"
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local newUser="$1"
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if ! [[ "$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/$newUser/.xinitrc'#" /etc/nodm.conf; rm -f /etc/cron.d/0chuser;reboot
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EOF
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# Heredocument end.
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# Files in cron.d must be 644 to work.
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sudo chmod 644 /etc/cron.d/0chuser && echo "Setting file permissions on /etc/cron.d/0chuser to 644" | log
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# Reboot the computer so the script can run
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local answer="$(yesno "Would you like to reboot now so the username can be changed? If no, you will need to reboot manually for the changes to be applied.")"
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if [[ "$answer" == "Yes" ]]; then
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sudo reboot
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fi
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}
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set_timezone() {
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# Attempt to autodetect the timezone.
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local timezone="$(curl -s --connect-timeout 5 ipinfo.io | grep -E '\s*"timezone":' | cut -d '"' -f4)" | dialog --progressbox "Attempting to detect your timezone..." 0 0
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if [[ -n "$timezone" ]]; then
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local answer="$(yesno "The timezone for your current location is ${timezone}. Would you like to use this timezone?")"
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fi
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if [[ "$answer" == "No" ]]; then
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# Get the list of timezones
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mapfile -t regions < <(timedatectl --no-pager list-timezones | cut -d '/' -f1 | sort -u)
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# Use the same text twice here and just hide the tag field.
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region=$(dialog --backtitle "$(gettext "Please select your Region")" \
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--no-tags \
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--menu "$(gettext "Use up and down arrows or page-up and page-down to navigate the list, and press 'Enter' to make your selection.")" 0 0 0 \
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$(for i in ${regions[@]} ; do echo "$i";echo "$(gettext "$i")";done) --stdout)
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mapfile -t cities < <(timedatectl --no-pager list-timezones | grep "$region" | cut -d '/' -f2 | sort -u)
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# Use the same text twice here and just hide the tag field.
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city=$(dialog --backtitle "$(gettext "Please select a city near you")" \
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--no-tags \
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--menu "$(gettext "Use up and down arrow or page-up and page-down to navigate the list.")" 0 0 10 \
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$(for i in ${cities[@]} ; do echo "$i";echo "$(gettext "$i")";done) --stdout)
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timezone="${region}/${city}"
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fi
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# Set the timezone
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sudo timedatectl set-timezone ${timezone}
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# Make sure we are syncing with the internet
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sudo timedatectl set-ntp true
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}
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unmute_soundcard() {
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# Try to unmute the soundcard.
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if amixer get Master | grep -q '\[off\]' ; then
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amixer sset Master unmute
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fi
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# Check system volume, try to make sure it is unmuted and at a reasonable level.
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soundcardVolume=$(amixer get Master | grep '\[on\]' | cut -d '[' -f2 | cut -d '%' -f1 | head -1)
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if [[ $soundcardVolume -le 25 ]]; then
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amixer sset Master 50% |& log
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fi
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}
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# Make sure basic xdg directory structure is in place:
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xdg-user-dirs-update
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exit 0
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