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7cc2ada25d
brain-config/raspi-config
Takumi Sueda 7cc2ada25d Get rid of unused commands
2022-05-15 01:42:08 +09:00

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#!/bin/sh
# Part of brain-config https://github.com/brain-hackers/brain-config
# Forked from raspi-config https://github.com/RPi-Distro/raspi-config
#
# See LICENSE file for copyright and license details
INTERACTIVE=True
ASK_TO_REBOOT=0
BLACKLIST=/etc/modprobe.d/raspi-blacklist.conf
CONFIG=/boot/config.txt
# TODO: erase these envs
USER=${SUDO_USER:-$(who -m | awk '{ print $1 }')}
is_pi () {
ARCH=$(dpkg --print-architecture)
if [ "$ARCH" = "armhf" ] || [ "$ARCH" = "arm64" ] ; then
return 0
else
return 1
fi
}
if is_pi ; then
CMDLINE=/boot/cmdline.txt
else
CMDLINE=/proc/cmdline
fi
calc_wt_size() {
# NOTE: it's tempting to redirect stderr to /dev/null, so supress error
# output from tput. However in this case, tput detects neither stdout or
# stderr is a tty and so only gives default 80, 24 values
WT_HEIGHT=18
WT_WIDTH=$(tput cols)
if [ -z "$WT_WIDTH" ] || [ "$WT_WIDTH" -lt 60 ]; then
WT_WIDTH=80
fi
if [ "$WT_WIDTH" -gt 178 ]; then
WT_WIDTH=120
fi
WT_MENU_HEIGHT=$(($WT_HEIGHT-7))
}
do_about() {
whiptail --msgbox "\
This tool provides a straightforward way of doing initial
configuration of the SHARP Brain. Although it can be run
at any time, some of the options may have difficulties if
you have heavily customised your installation.
$(dpkg -s raspi-config 2> /dev/null | grep Version)\
" 20 70 1
return 0
}
do_expand_rootfs() {
ROOT_PART="$(findmnt / -o source -n)"
ROOT_DEV="/dev/$(lsblk -no pkname "$ROOT_PART")"
PART_NUM="$(echo "$ROOT_PART" | grep -o "[[:digit:]]*$")"
# NOTE: the NOOBS partition layout confuses parted. For now, let's only
# agree to work with a sufficiently simple partition layout
if [ "$PART_NUM" -ne 2 ]; then
whiptail --msgbox "Your partition layout is not currently supported by this tool. You are probably using NOOBS, in which case your root filesystem is already expanded anyway." 20 60 2
return 0
fi
LAST_PART_NUM=$(parted "$ROOT_DEV" -ms unit s p | tail -n 1 | cut -f 1 -d:)
if [ $LAST_PART_NUM -ne $PART_NUM ]; then
whiptail --msgbox "$ROOT_PART is not the last partition. Don't know how to expand" 20 60 2
return 0
fi
# Get the starting offset of the root partition
PART_START=$(parted "$ROOT_DEV" -ms unit s p | grep "^${PART_NUM}" | cut -f 2 -d: | sed 's/[^0-9]//g')
[ "$PART_START" ] || return 1
# Return value will likely be error for fdisk as it fails to reload the
# partition table because the root fs is mounted
fdisk "$ROOT_DEV" <<EOF
p
d
$PART_NUM
n
p
$PART_NUM
$PART_START
p
w
EOF
ASK_TO_REBOOT=1
# now set up an init.d script
cat <<EOF > /etc/init.d/resize2fs_once &&
#!/bin/sh
### BEGIN INIT INFO
# Provides: resize2fs_once
# Required-Start:
# Required-Stop:
# Default-Start: 3
# Default-Stop:
# Short-Description: Resize the root filesystem to fill partition
# Description:
### END INIT INFO
. /lib/lsb/init-functions
case "\$1" in
start)
log_daemon_msg "Starting resize2fs_once" &&
resize2fs "$ROOT_PART" &&
update-rc.d resize2fs_once remove &&
rm /etc/init.d/resize2fs_once &&
log_end_msg \$?
;;
*)
echo "Usage: \$0 start" >&2
exit 3
;;
esac
EOF
chmod +x /etc/init.d/resize2fs_once &&
update-rc.d resize2fs_once defaults &&
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "Root partition has been resized.\nThe filesystem will be enlarged upon the next reboot" 20 60 2
fi
}
do_change_pass() {
whiptail --msgbox "You will now be asked to enter a new password for the $USER user" 20 60 1
passwd $USER &&
whiptail --msgbox "Password changed successfully" 20 60 1
}
do_change_locale() {
if [ "$INTERACTIVE" = True ]; then
dpkg-reconfigure locales
else
if ! LOCALE_LINE="$(grep -E "^$1( |$)" /usr/share/i18n/SUPPORTED)"; then
return 1
fi
export LC_ALL=C
export LANG=C
local LG="/etc/locale.gen"
local NEW_LANG="$(echo $LOCALE_LINE | cut -f1 -d " ")"
[ -L "$LG" ] && [ "$(readlink $LG)" = "/usr/share/i18n/SUPPORTED" ] && rm -f "$LG"
echo "$LOCALE_LINE" > /etc/locale.gen
update-locale --no-checks LANG
update-locale --no-checks "LANG=$NEW_LANG"
dpkg-reconfigure -f noninteractive locales
fi
}
do_change_timezone() {
if [ "$INTERACTIVE" = True ]; then
dpkg-reconfigure tzdata
else
local TIMEZONE="$1"
if [ ! -f "/usr/share/zoneinfo/$TIMEZONE" ]; then
return 1;
fi
rm /etc/localtime
echo "$TIMEZONE" > /etc/timezone
dpkg-reconfigure -f noninteractive tzdata
fi
}
get_wifi_country() {
CODE=${1:-0}
IFACE="$(list_wlan_interfaces | head -n 1)"
if [ -z "$IFACE" ]; then
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "No wireless interface found" 20 60
fi
return 1
fi
if ! wpa_cli -i "$IFACE" status > /dev/null 2>&1; then
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "Could not communicate with wpa_supplicant" 20 60
fi
return 1
fi
wpa_cli -i "$IFACE" save_config > /dev/null 2>&1
COUNTRY="$(wpa_cli -i "$IFACE" get country)"
if [ "$COUNTRY" = "FAIL" ]; then
return 1
fi
if [ $CODE = 0 ]; then
echo "$COUNTRY"
fi
return 0
}
do_wifi_country() {
IFACE="$(list_wlan_interfaces | head -n 1)"
if [ -z "$IFACE" ]; then
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "No wireless interface found" 20 60
fi
return 1
fi
if ! wpa_cli -i "$IFACE" status > /dev/null 2>&1; then
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "Could not communicate with wpa_supplicant" 20 60
fi
return 1
fi
oIFS="$IFS"
if [ "$INTERACTIVE" = True ]; then
value=$(cat /usr/share/zoneinfo/iso3166.tab | tail -n +26 | tr '\t' '/' | tr '\n' '/')
IFS="/"
COUNTRY=$(whiptail --menu "Select the country in which the Pi is to be used" 20 60 10 ${value} 3>&1 1>&2 2>&3)
else
COUNTRY=$1
true
fi
if [ $? -eq 0 ];then
wpa_cli -i "$IFACE" set country "$COUNTRY"
wpa_cli -i "$IFACE" save_config > /dev/null 2>&1
if iw reg set "$COUNTRY" 2> /dev/null; then
ASK_TO_REBOOT=1
fi
if hash rfkill 2> /dev/null; then
rfkill unblock wifi
if is_pi ; then
for filename in /var/lib/systemd/rfkill/*:wlan ; do
echo 0 > $filename
done
fi
fi
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "Wireless LAN country set to $COUNTRY" 20 60 1
fi
fi
IFS=$oIFS
}
get_hostname() {
cat /etc/hostname | tr -d " \t\n\r"
}
do_hostname() {
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "\
Please note: RFCs mandate that a hostname's labels \
may contain only the ASCII letters 'a' through 'z' (case-insensitive),
the digits '0' through '9', and the hyphen.
Hostname labels cannot begin or end with a hyphen.
No other symbols, punctuation characters, or blank spaces are permitted.\
" 20 70 1
fi
CURRENT_HOSTNAME=`cat /etc/hostname | tr -d " \t\n\r"`
if [ "$INTERACTIVE" = True ]; then
NEW_HOSTNAME=$(whiptail --inputbox "Please enter a hostname" 20 60 "$CURRENT_HOSTNAME" 3>&1 1>&2 2>&3)
else
NEW_HOSTNAME=$1
true
fi
if [ $? -eq 0 ]; then
echo $NEW_HOSTNAME > /etc/hostname
sed -i "s/127.0.1.1.*$CURRENT_HOSTNAME/127.0.1.1\t$NEW_HOSTNAME/g" /etc/hosts
ASK_TO_REBOOT=1
fi
}
get_ssh() {
if service ssh status | grep -q inactive; then
echo 1
else
echo 0
fi
}
do_ssh() {
if [ -e /var/log/regen_ssh_keys.log ] && ! grep -q "^finished" /var/log/regen_ssh_keys.log; then
whiptail --msgbox "Initial ssh key generation still running. Please wait and try again." 20 60 2
return 1
fi
DEFAULT=--defaultno
if [ $(get_ssh) -eq 0 ]; then
DEFAULT=
fi
if [ "$INTERACTIVE" = True ]; then
whiptail --yesno \
"Would you like the SSH server to be enabled?\n\nCaution: Default and weak passwords are a security risk when SSH is enabled!" \
$DEFAULT 20 60 2
RET=$?
else
RET=$1
fi
if [ $RET -eq 0 ]; then
ssh-keygen -A &&
update-rc.d ssh enable &&
invoke-rc.d ssh start &&
STATUS=enabled
elif [ $RET -eq 1 ]; then
update-rc.d ssh disable &&
invoke-rc.d ssh stop &&
STATUS=disabled
else
return $RET
fi
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "The SSH server is $STATUS" 20 60 1
fi
}
disable_raspi_config_at_boot() {
if [ -e /etc/profile.d/raspi-config.sh ]; then
rm -f /etc/profile.d/raspi-config.sh
if [ -e /etc/systemd/system/getty@tty1.service.d/raspi-config-override.conf ]; then
rm /etc/systemd/system/getty@tty1.service.d/raspi-config-override.conf
fi
telinit q
fi
}
get_net_names() {
if grep -q "net.ifnames=0" $CMDLINE || \
( [ "$(readlink -f /etc/systemd/network/99-default.link)" = "/dev/null" ] && \
[ "$(readlink -f /etc/systemd/network/73-usb-net-by-mac.link)" = "/dev/null" ] ); then
echo 1
else
echo 0
fi
}
do_net_names () {
DEFAULT=--defaultno
CURRENT=0
if [ $(get_net_names) -eq 0 ]; then
DEFAULT=
CURRENT=1
fi
if [ "$INTERACTIVE" = True ]; then
whiptail --yesno "Would you like to enable predictable network interface names?" $DEFAULT 20 60 2
RET=$?
else
RET=$1
fi
if [ $RET -eq $CURRENT ]; then
ASK_TO_REBOOT=1
fi
if [ $RET -eq 0 ]; then
sed -i $CMDLINE -e "s/net.ifnames=0 *//"
rm -f /etc/systemd/network/99-default.link
rm -f /etc/systemd/network/73-usb-net-by-mac.link
STATUS=enabled
elif [ $RET -eq 1 ]; then
ln -sf /dev/null /etc/systemd/network/99-default.link
ln -sf /dev/null /etc/systemd/network/73-usb-net-by-mac.link
STATUS=disabled
else
return $RET
fi
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "Predictable network interface names are $STATUS" 20 60 1
fi
}
list_wlan_interfaces() {
for dir in /sys/class/net/*/wireless; do
if [ -d "$dir" ]; then
basename "$(dirname "$dir")"
fi
done
}
do_wifi_ssid_passphrase() {
RET=0
IFACE_LIST="$(list_wlan_interfaces)"
IFACE="$(echo "$IFACE_LIST" | head -n 1)"
if [ -z "$IFACE" ]; then
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "No wireless interface found" 20 60
fi
return 1
fi
if ! wpa_cli -i "$IFACE" status > /dev/null 2>&1; then
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "Could not communicate with wpa_supplicant" 20 60
fi
return 1
fi
if [ "$INTERACTIVE" = True ] && [ -z "$(get_wifi_country)" ]; then
do_wifi_country
fi
SSID="$1"
while [ -z "$SSID" ] && [ "$INTERACTIVE" = True ]; do
SSID=$(whiptail --inputbox "Please enter SSID" 20 60 3>&1 1>&2 2>&3)
if [ $? -ne 0 ]; then
return 0
elif [ -z "$SSID" ]; then
whiptail --msgbox "SSID cannot be empty. Please try again." 20 60
fi
done
PASSPHRASE="$2"
while [ "$INTERACTIVE" = True ]; do
PASSPHRASE=$(whiptail --passwordbox "Please enter passphrase. Leave it empty if none." 20 60 3>&1 1>&2 2>&3)
if [ $? -ne 0 ]; then
return 0
else
break
fi
done
# Escape special characters for embedding in regex below
local ssid="$(echo "$SSID" \
| sed 's;\\;\\\\;g' \
| sed -e 's;\.;\\\.;g' \
-e 's;\*;\\\*;g' \
-e 's;\+;\\\+;g' \
-e 's;\?;\\\?;g' \
-e 's;\^;\\\^;g' \
-e 's;\$;\\\$;g' \
-e 's;\/;\\\/;g' \
-e 's;\[;\\\[;g' \
-e 's;\];\\\];g' \
-e 's;{;\\{;g' \
-e 's;};\\};g' \
-e 's;(;\\(;g' \
-e 's;);\\);g' \
-e 's;";\\\\\";g')"
wpa_cli -i "$IFACE" list_networks \
| tail -n +2 | cut -f -2 | grep -P "\t$ssid$" | cut -f1 \
| while read ID; do
wpa_cli -i "$IFACE" remove_network "$ID" > /dev/null 2>&1
done
ID="$(wpa_cli -i "$IFACE" add_network)"
wpa_cli -i "$IFACE" set_network "$ID" ssid "\"$SSID\"" 2>&1 | grep -q "OK"
RET=$((RET + $?))
if [ -z "$PASSPHRASE" ]; then
wpa_cli -i "$IFACE" set_network "$ID" key_mgmt NONE 2>&1 | grep -q "OK"
RET=$((RET + $?))
else
wpa_cli -i "$IFACE" set_network "$ID" psk "\"$PASSPHRASE\"" 2>&1 | grep -q "OK"
RET=$((RET + $?))
fi
if [ $RET -eq 0 ]; then
wpa_cli -i "$IFACE" enable_network "$ID" > /dev/null 2>&1
else
wpa_cli -i "$IFACE" remove_network "$ID" > /dev/null 2>&1
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "Failed to set SSID or passphrase" 20 60
fi
fi
wpa_cli -i "$IFACE" save_config > /dev/null 2>&1
echo "$IFACE_LIST" | while read IFACE; do
wpa_cli -i "$IFACE" reconfigure > /dev/null 2>&1
done
return $RET
}
do_finish() {
disable_raspi_config_at_boot
if [ $ASK_TO_REBOOT -eq 1 ]; then
whiptail --yesno "Would you like to reboot now?" 20 60 2
if [ $? -eq 0 ]; then # yes
sync
reboot
fi
fi
exit 0
}
get_bootro_now() {
findmnt /boot | grep -q " ro,"
echo $?
}
get_bootro_conf() {
grep /boot /etc/fstab | grep -q "defaults.*,ro[ ,]"
echo $?
}
is_uname_current() {
test -d "/lib/modules/$(uname -r)"
}
nonint() {
"$@"
}
#
# Command line options for non-interactive use
#
for i in $*
do
case $i in
--expand-rootfs)
INTERACTIVE=False
do_expand_rootfs
printf "Please reboot\n"
exit 0
;;
--apply-os-config)
INTERACTIVE=False
do_apply_os_config
exit $?
;;
nonint)
INTERACTIVE=False
"$@"
exit $?
;;
*)
# unknown option
;;
esac
done
# Everything else needs to be run as root
if [ $(id -u) -ne 0 ]; then
printf "Script must be run as root. Try 'sudo raspi-config'\n"
exit 1
fi
do_system_menu() {
FUN=$(whiptail --title "Raspberry Pi Software Configuration Tool (raspi-config)" --menu "System Options" $WT_HEIGHT $WT_WIDTH $WT_MENU_HEIGHT --cancel-button Back --ok-button Select \
"S1 Wireless LAN" "Enter SSID and passphrase" \
"S3 Password" "Change password for the '$USER' user" \
"S4 Hostname" "Set name for this computer on a network" \
3>&1 1>&2 2>&3)
RET=$?
if [ $RET -eq 1 ]; then
return 0
elif [ $RET -eq 0 ]; then
case "$FUN" in
S1\ *) do_wifi_ssid_passphrase ;;
S3\ *) do_change_pass ;;
S4\ *) do_hostname ;;
*) whiptail --msgbox "Programmer error: unrecognized option" 20 60 1 ;;
esac || whiptail --msgbox "There was an error running option $FUN" 20 60 1
fi
}
do_interface_menu() {
FUN=$(whiptail --title "Raspberry Pi Software Configuration Tool (raspi-config)" --menu "Interfacing Options" $WT_HEIGHT $WT_WIDTH $WT_MENU_HEIGHT --cancel-button Back --ok-button Select \
"I2 SSH" "Enable/disable remote command line access using SSH" \
3>&1 1>&2 2>&3)
RET=$?
if [ $RET -eq 1 ]; then
return 0
elif [ $RET -eq 0 ]; then
case "$FUN" in
I2\ *) do_ssh ;;
*) whiptail --msgbox "Programmer error: unrecognized option" 20 60 1 ;;
esac || whiptail --msgbox "There was an error running option $FUN" 20 60 1
fi
}
do_internationalisation_menu() {
FUN=$(whiptail --title "Raspberry Pi Software Configuration Tool (raspi-config)" --menu "Localisation Options" $WT_HEIGHT $WT_WIDTH $WT_MENU_HEIGHT --cancel-button Back --ok-button Select \
"L1 Locale" "Configure language and regional settings" \
"L2 Timezone" "Configure time zone" \
"L4 WLAN Country" "Set legal wireless channels for your country" \
3>&1 1>&2 2>&3)
RET=$?
if [ $RET -eq 1 ]; then
return 0
elif [ $RET -eq 0 ]; then
case "$FUN" in
L1\ *) do_change_locale ;;
L2\ *) do_change_timezone ;;
L4\ *) do_wifi_country ;;
*) whiptail --msgbox "Programmer error: unrecognized option" 20 60 1 ;;
esac || whiptail --msgbox "There was an error running option $FUN" 20 60 1
fi
}
do_advanced_menu() {
FUN=$(whiptail --title "Raspberry Pi Software Configuration Tool (raspi-config)" --menu "Advanced Options" $WT_HEIGHT $WT_WIDTH $WT_MENU_HEIGHT --cancel-button Back --ok-button Select \
"A1 Expand Filesystem" "Ensures that all of the SD card is available" \
"A4 Network Interface Names" "Enable/disable predictable network i/f names" \
3>&1 1>&2 2>&3)
RET=$?
if [ $RET -eq 1 ]; then
return 0
elif [ $RET -eq 0 ]; then
case "$FUN" in
A1\ *) do_expand_rootfs ;;
A4\ *) do_net_names ;;
*) whiptail --msgbox "Programmer error: unrecognized option" 20 60 1 ;;
esac || whiptail --msgbox "There was an error running option $FUN" 20 60 1
fi
}
#
# Interactive use loop
#
if [ "$INTERACTIVE" = True ]; then
[ -e $CONFIG ] || touch $CONFIG
calc_wt_size
while [ "$USER" = "root" ] || [ -z "$USER" ]; do
if ! USER=$(whiptail --inputbox "raspi-config could not determine the default user.\\n\\nWhat user should these settings apply to?" 20 60 pi 3>&1 1>&2 2>&3); then
return 0
fi
done
while true; do
FUN=$(whiptail --title "Raspberry Pi Software Configuration Tool (raspi-config)" --menu "Setup Options" $WT_HEIGHT $WT_WIDTH $WT_MENU_HEIGHT --cancel-button Finish --ok-button Select \
"1 System Options" "Configure system settings" \
"5 Localisation Options" "Configure language and regional settings" \
"6 Advanced Options" "Configure advanced settings" \
"9 About raspi-config" "Information about this configuration tool" \
3>&1 1>&2 2>&3)
RET=$?
if [ $RET -eq 1 ]; then
do_finish
elif [ $RET -eq 0 ]; then
case "$FUN" in
1\ *) do_system_menu ;;
5\ *) do_internationalisation_menu ;;
6\ *) do_advanced_menu ;;
9\ *) do_about ;;
*) whiptail --msgbox "Programmer error: unrecognized option" 20 60 1 ;;
esac || whiptail --msgbox "There was an error running option $FUN" 20 60 1
else
exit 1
fi
done
fi
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