jeos-firstboot

#!/bin/bash
# SPDX-License-Identifier: MIT
# SPDX-FileCopyrightText: Copyright 2015-2022 SUSE LLC

set -e

TEXTDOMAIN='jeos-firstboot'

. /etc/os-release
. "/usr/share/jeos-firstboot/jeos-firstboot-functions"
. "/usr/share/jeos-firstboot/jeos-firstboot-dialogs"
. "/usr/share/jeos-firstboot/welcome-screen"

# Read the optional configuration file
[ -f /usr/share/defaults/jeos-firstboot.conf ] && . /usr/share/defaults/jeos-firstboot.conf
[ -f /etc/jeos-firstboot.conf ] && . /etc/jeos-firstboot.conf

# for testing we may run as non root
if [ -w /run ]; then
	export TMPDIR=/run
	# debugging
	if [ -n "$FIRSTBOOT_DEBUG" ]; then
		set -x
		exec 2>/var/log/firstboot-debug
	fi
else
	dry=1
fi

if [ -n "$dry" ]; then
	run() {
		echo "$@"
	}
else
	run() {
		"$@"
	}
fi

cleanup() {
	call_module_hook cleanup
	# reenable systemd and kernel logs
	# Try the race-free DBus method first
	if ! run dbus-send --system --print-reply --dest=org.freedesktop.systemd1 /org/freedesktop/systemd1 \
	     org.freedesktop.systemd1.Manager.SetShowStatus string: &>/dev/null; then
		# Fall back to using signals
		run kill -s SIGRTMAX-10 1
	fi
	run setterm -msg on 2>/dev/null || true
	echo
}
trap cleanup EXIT

# avoid kernel messages spamming our console
run setterm -msg off 2>/dev/null || true
# Avoid systemd messages spamming our console
# Try the race-free DBus method first
if ! run dbus-send --system --print-reply --dest=org.freedesktop.systemd1 /org/freedesktop/systemd1 \
     org.freedesktop.systemd1.Manager.SetShowStatus string:off &>/dev/null; then
	# Fall back to using signals
	run kill -s SIGRTMAX-9 1
	# sleep to avoid systemd bug, bsc#1119382
	sleep 1
fi

systemd_firstboot_args=('--setup-machine-id')

# If the configuration is not loaded and we are in the first terminal
# instance, make sure that the variables are declared.
JEOS_LOCALE=${JEOS_LOCALE-}
JEOS_KEYTABLE=${JEOS_KEYTABLE-}

if [ -z "$JEOS_LOCALE" ]; then
    welcome_screen_with_console_switch
    dialog_locale
fi

# Activate the locale selected
apply_locale
# also add to systemd-firstboot parameters
systemd_firstboot_args+=("--locale=$JEOS_LOCALE")

if [ -z "$JEOS_KEYTABLE" ]; then
    welcome_screen_with_console_switch
    dialog_keytable
fi 

# langset.sh needs locale to set keytable
apply_locale_and_keytable

[ -n "$JEOS_LOCALE" ] && language="${JEOS_LOCALE%%_*}" || language="en"
force_english_license=0
export LANG="$JEOS_LOCALE"

kmscon_available() {
        # kmscon itself is installed
        kmscon --help >/dev/null 2>&1 || return 1
        # At least one monospace font is available
        [ -n "$(fc-match "monospace" 2>/dev/null)" ] || return 1

        return 0
}

fbiterm_available() {
        # fbiterm itself is installed
        fbiterm --help >/dev/null 2>&1 || return 1
        # fbiterm comes with its own fallback font

        return 0
}

if [[ "$(resolve_tty "$(tty)")" =~ /dev/tty[0-9]+ ]]; then
	# Those languages can't be displayed in the console
	declare -A start_kmscon
	start_kmscon["cs"]=1
	start_kmscon["ja"]=1
	start_kmscon["zh"]=1
	start_kmscon["ko"]=1

	# Relay those settings to the nested instance
	export JEOS_LOCALE JEOS_KEYTABLE
	if [ -n "$JEOS_LOCALE" -a -n "${start_kmscon[${language}]+_}" ]; then
		if kmscon_available; then
			ret_file="$(mktemp)"
			kmscon --silent --font-size 10 --palette vga --no-reset-env -l -- /bin/sh -c "$0; echo \$? > $ret_file; kill \$PPID"
			exit $(cat "$ret_file"; rm -f "$ret_file")
		elif fbiterm_available; then
			exec fbiterm -- "$0"
		else
			# No kmscon or fbiterm, fall back to english
			export LANG="en_US.UTF-8"
			force_english_license=1
		fi
	fi
fi

if [ -z "$JEOS_EULA_ALREADY_AGREED" ]; then
	welcome_screen_with_console_switch

	# Find the location of the EULA
	# An EULA in /etc takes precedence
	EULA_FILE=/etc/YaST2/licenses/base/license.txt
	[ -e "${EULA_FILE}" ] || EULA_FILE=/usr/share/licenses/product/base/license.txt

	# Failsafe: If no license found, quit.
	if ! [ -e "$EULA_FILE" ]; then
		d --msgbox $"No license found - cannot continue" 6 40
		exit 1
	fi

	if [ "$force_english_license" = "0" ]; then
		for i in "${EULA_FILE%.txt}.${JEOS_LOCALE}.txt" \
				"${EULA_FILE%.txt}.${JEOS_LOCALE%%.UTF-8}.txt" \
				"${EULA_FILE%.txt}.${language}.txt"; do
			if [ -e "$i" ]; then
				EULA_FILE="$i"
				break
			fi
		done
	fi

	while true; do
		d --textbox "$EULA_FILE" $dh_text 85
		[ -e "${EULA_FILE%/*}/no-acceptance-needed" ] && break
		dialog --yesno $"Do you agree with the terms of the license?" 0 0 && break
		dialog --msgbox $"Can not continue without agreement" 6 40 || :
	done
fi

if [ -z "$JEOS_TIMEZONE" ]; then
    welcome_screen_with_console_switch
    dialog_timezone
fi

systemd_firstboot_args+=("--timezone=$JEOS_TIMEZONE")

# systemd-firstboot does not set the timezone if it exists, langset.sh created it
run rm -f /etc/localtime
run systemd-firstboot "${systemd_firstboot_args[@]}"

if [ -z "$JEOS_PASSWORD_ALREADY_SET" ]; then
    welcome_screen_with_console_switch
    dialog_password
fi

# Do not show the register on non SLE based distributions or if is
# globally disabled
if [ -x /usr/bin/SUSEConnect -a -z "${ID##sle*}" -a -z "${JEOS_HIDE_SUSECONNECT}" ]; then
	welcome_screen_with_console_switch
	d --msgbox $"Please register this image using your existing SUSE entitlement.

As \"root\" use the following command:

 SUSEConnect -e company@example.com -r YOUR_CODE

to register the instance with SCC

Without registration this instance does not have access to updates and
security fixes." 0 0 || true
fi

call_module_hook systemd_firstboot

d --infobox $"Applying firstboot settings ..." 3 40 || true

apply_password

# Look for EFI dir to see if the machine is booted in UEFI mode
EFI_SYSTAB="/sys/firmware/efi/systab"
# modprobe and efivars are not available everywhere, just ignore those cases
run modprobe efivars &>/dev/null || true
if ! [ -f "$EFI_SYSTAB" ]; then
	if [ -f /etc/sysconfig/bootloader ]; then
		run sed -i -e "s/LOADER_TYPE=.*/LOADER_TYPE=grub2/g" /etc/sysconfig/bootloader
	fi
fi

call_module_hook post