336 lines
12 KiB
Bash
Executable File
336 lines
12 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# pilpil client installer v0.1
|
|
#
|
|
# https://sharats.me/posts/shell-script-best-practices/
|
|
set -o errexit
|
|
set -o nounset
|
|
set -o pipefail
|
|
if [[ "${TRACE-0}" == "1" ]]; then
|
|
set -o xtrace
|
|
fi
|
|
|
|
# Change to script dir
|
|
cd "$(dirname "$0")"
|
|
|
|
# Colored output
|
|
#~ set +x
|
|
bold=$(tput bold)
|
|
function red(){
|
|
echo -e "${bold}\x1B[31m$1 \x1B[0m"
|
|
if [ ! -z "${2-}" ]; then
|
|
echo -e "\x1B[31m $($2) \x1B[0m"
|
|
fi
|
|
}
|
|
function green(){
|
|
echo -e "${bold}\x1B[32m$1 \x1B[0m"
|
|
if [ ! -z "${2-}" ]; then
|
|
echo -e "\x1B[32m $($2) \x1B[0m"
|
|
fi
|
|
}
|
|
function yellow(){
|
|
echo -e "${bold}\x1B[33m$1 \x1B[0m"
|
|
if [ ! -z "${2-}" ]; then
|
|
echo -e "\x1B[33m $($2) \x1B[0m"
|
|
fi
|
|
}
|
|
|
|
# Display help if -h(elpf) used
|
|
if [[ "${1-}" =~ ^-*h(elp)?$ ]]; then
|
|
echo 'Usage: ./pilpil-server.sh path_to_device
|
|
|
|
This script will setup as much pilpil-clients as needed.
|
|
'
|
|
exit
|
|
fi
|
|
# Set dry run if -d(ry) used
|
|
if [[ "${1-}" =~ ^-*d(ry)?$ ]]; then
|
|
DRY_RUN=1
|
|
yellow "!!! Running in dry mode. No modifications will be made.\n"
|
|
fi
|
|
# Options
|
|
# Device block to write on
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
SDCARD="${1-}"
|
|
else
|
|
SDCARD="${2-}"
|
|
fi
|
|
# TODO : accomodate for devices block with name mmcblk0p1|p2
|
|
if [[ "$SDCARD" == "" ]] || [[ ! -e "$SDCARD" ]]
|
|
then
|
|
red "Please specify an existing device block for your sd-card, e.g: '/dev/sda'." >&2
|
|
exit 0
|
|
fi
|
|
DD_BS="128K"
|
|
DISK_IMAGE="$HOME/niels/imgs/2022-10-25-pilpil-WIP.img.xz"
|
|
if [[ ! -f "$DISK_IMAGE" ]]; then
|
|
red "Disk image not found, aborting..." >&2
|
|
exit 0
|
|
fi
|
|
CONFIG_DIR="$HOME/niels/pilpil-server"
|
|
if [[ ! -d "$CONFIG_DIR" ]]; then
|
|
red "Config directory not found, aborting..." >&2
|
|
exit 0
|
|
fi
|
|
HTTP_SECRET=$(openssl rand -base64 12)
|
|
PI_USER="pil"
|
|
BOOT_MOUNT="/run/media/$USER/boot"
|
|
ROOTFS_MOUNT="/run/media/$USER/rootfs"
|
|
#~ LOCAL_MEDIA_DIR="$HOME/Videos"
|
|
LOCAL_MEDIA_DIR="$HOME/niels/medias"
|
|
if [[ ! -d "$LOCAL_MEDIA_DIR" ]]; then
|
|
red "Medias directory not found, aborting..." >&2
|
|
exit 0
|
|
fi
|
|
REMOTE_MEDIA_DIR="$ROOTFS_MOUNT/home/$PI_USER/Videos"
|
|
# WIFI AP config
|
|
IP_RANGE="10.42.0.1"
|
|
SSID="omen"
|
|
PASSWD="EpQmSmXH123"
|
|
IFW="wlo1"
|
|
#Band (bg = 2.4Ghz, a= 5Ghz)
|
|
BAND="bg"
|
|
# Hidden SSID
|
|
#~ HIDE="802-11-wireless.hidden false"
|
|
# Set channel manually
|
|
CHAN="802-11-wireless.channel 1"
|
|
#
|
|
#
|
|
# 0. Create AP connection
|
|
#
|
|
green " * Creating hotspot connection for NetworkManager \n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
# If connection exists, delete it
|
|
nmcli con delete $SSID
|
|
nmcli con add type wifi ifname $IFW con-name $SSID autoconnect yes ssid $SSID
|
|
nmcli con modify $SSID 802-11-wireless.mode ap 802-11-wireless.band "${BAND-}" "${CHAN-}" "${HIDE-}" ipv4.method shared
|
|
nmcli con modify $SSID wifi-sec.key-mgmt wpa-psk
|
|
nmcli con modify $SSID 802-11-wireless-security.proto rsn
|
|
nmcli con modify $SSID 802-11-wireless-security.pairwise ccmp
|
|
nmcli con modify $SSID wifi-sec.psk $PASSWD
|
|
fi
|
|
# 0.a set IP range on server
|
|
green " * Setting IP range $IP_RANGE/24 in /etc/NetworkManager/system-connections/$SSID.nmconnection ... \n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
sudo sed -i "/method=shared/a address1=$IP_RANGE/24, $IP_RANGE" /etc/NetworkManager/system-connections/$SSID.nmconnection
|
|
# Remove existing leases
|
|
sudo rm /var/lib/NetworkManager/dnsmasq-$IFW.leases
|
|
# restart NM
|
|
sudo systemctl restart NetworkManager
|
|
# Turn hotspot on
|
|
nmcli radio wifi on
|
|
nmcli con up $SSID
|
|
fi
|
|
# 0.b ask for number of clients
|
|
# This will be used to determine static IP
|
|
yellow "Nombre de clients à configurer : "
|
|
read -n 4 CLIENT_NUMBER
|
|
# Check input
|
|
if [[ ! "${CLIENT_NUMBER}" =~ ^[0-9]+$ ]]; then
|
|
red "\nInput was not a number, aborting.\n"
|
|
exit 0
|
|
fi
|
|
if [[ "${CLIENT_NUMBER}" -lt 1 ]]; then
|
|
red "\nInput was 0, nothing to do.\n"
|
|
exit 0
|
|
fi
|
|
green "Got $CLIENT_NUMBER...\n"
|
|
# For some reason networkmanager finds it clever to offer only IPs in range 10-255 even when asked for a /24, /28, etc...
|
|
# So IPs start at 10
|
|
# Get first IP in specified range
|
|
#~ IP=$(echo $IP_RANGE | awk -F. '{print $4}')
|
|
FIRST=1
|
|
IP=10
|
|
#~ echo -e "First IP is $(($RANGE_START)) ...\n"
|
|
# Remove IP's last byte
|
|
IP_RANGE_3B=$(echo $IP_RANGE | awk -F. '{print $1"."$2"."$3"."}')
|
|
echo -e "First IP is $IP_RANGE_3B$IP ...\n"
|
|
# Generate SSL cert with IPs in IP_RANGE
|
|
IP_CNT=$IP
|
|
IP_ARRAY=()
|
|
|
|
while [[ "$IP_CNT" -lt $(("${CLIENT_NUMBER-}"+"${IP-}")) ]]
|
|
do
|
|
IP_ARRAY+=("IP:$IP_RANGE_3B$IP_CNT")
|
|
((IP_CNT++))
|
|
done
|
|
# Convert array to string
|
|
HOST_LIST="$(IFS=","; echo "${IP_ARRAY[*]}")"
|
|
green "Got host list : ${HOST_LIST-} \n"
|
|
# 5. Generate valid ssl cert/key for every IP in range
|
|
# https://unix.stackexchange.com/questions/104171/create-ssl-certificate-non-interactively
|
|
green "Generating SSL crt/key for $HOST_LIST...\n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
openssl req -new -newkey rsa:4096 -days 1825 -nodes -x509 \
|
|
-subj "/C=/ST=Denial/L=/O=/CN=$IP_RANGE$FIRST" \
|
|
-addext "subjectAltName=$HOST_LIST" \
|
|
-keyout "$CONFIG_DIR/selfCA.key" -out "$CONFIG_DIR/selfCA.crt"
|
|
#sudo openssl req -x509 -nodes -days 3650 -newkey rsa:2048 -keyout "$ROOTFS_MOUNT/etc/ssl/private/nginx-selfsigned.key" -out "$ROOTFS_MOUNT/etc/ssl/certs/nginx-selfsigned.crt"
|
|
fi
|
|
# Proceed with each host
|
|
for HOST in "${IP_ARRAY[@]}"
|
|
do
|
|
HOST=$(echo $HOST | awk -F: '{print $2}')
|
|
HOST_NAME="pilpil-$(echo $HOST | awk -F. '{print $4}')"
|
|
# 1. Copy img to sd
|
|
green "1/14 : Imaging $SDCARD with the file $DISK_IMAGE ...\n"
|
|
red "Are you sure you want to ERASE THE CONTENT of $SDCARD ? Type uppercase 'yes' to confirm."
|
|
read -n 4 GO_DD
|
|
if [[ "$GO_DD" != "YES" ]]
|
|
then
|
|
red "Answer was different from 'YES'. Aborting..." >&2
|
|
break
|
|
fi
|
|
red "Received answer $GO_DD. Running dd on $SDCARD in 5 seconds."
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
sleep 5
|
|
fi
|
|
GO_DD=0
|
|
# unmount / remount new filesystem
|
|
green "2/14 : Unmounting $BOOT_MOUNT and $ROOTFS_MOUNT ...\n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
umount $BOOT_MOUNT
|
|
umount $ROOTFS_MOUNT
|
|
xzcat "$DISK_IMAGE" | sudo dd of=$SDCARD bs="$DD_BS" oflag=dsync status=progress && sync
|
|
fi
|
|
green "3/14 : Remounting $BOOT_MOUNT and $ROOTFS_MOUNT ...\n"
|
|
echo "Remounting..."
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
sleep 1
|
|
systemctl --user restart gvfs-udisks2-volume-monitor
|
|
sleep 3
|
|
fi
|
|
green "4/14 : Changing hostname to $HOST_NAME in $ROOTFS_MOUNT/etc/hostname and $ROOTFS_MOUNT/etc/hosts ...\n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
# Change hostname
|
|
echo "$HOST_NAME" | sudo tee "$ROOTFS_MOUNT/etc/hostname"
|
|
# Reflect that in /etc/hosts
|
|
sudo sed -i "$d" "$ROOTFS_MOUNT/etc/hosts"
|
|
echo -e "127.0.1.1\t$HOST_NAME" | sudo tee -a "$ROOTFS_MOUNT/etc/hosts"
|
|
fi
|
|
## Enable SSH
|
|
green "5/14 : Enabling SSH server on boot : $BOOT_MOUNT/ssh ...\n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
touch "$BOOT_MOUNT/ssh"
|
|
sync
|
|
fi
|
|
## Generate SSH private/public key and install it - Disable passwd login
|
|
green "6/14 : Generating private/public SSH key as $HOME/.ssh/$HOST_NAME ...\n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
ssh-keygen -t ed25519 -f "$HOME/.ssh/$HOST_NAME" -N ""
|
|
fi
|
|
red "New SSH key pair generated as $HOME/.ssh/$HOST_NAME. Add to ~/.ssh/config ? (y/n)"
|
|
read -n 2 ADD_SSH_CONF
|
|
if [[ "$ADD_SSH_CONF" == "y" ]];then
|
|
green "Adding $HOST_NAME with ip $HOST in $HOME/.ssh/config"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
# Add to ~/.ssh/config
|
|
echo -e "\nHost $HOST_NAME\n\tHostname $HOST\n\tIdentityFile ~/.ssh/$HOST_NAME\n\tUser $PI_USER" | tee -a "$HOME/.ssh/config"
|
|
fi
|
|
else
|
|
yellow "\nAnswer was different from 'y', skipping..."
|
|
fi
|
|
# Copy public key to rpi
|
|
green "7/14 : Installing public SSH key $HOME/.ssh/$HOST.pub in $ROOTFS_MOUNT/home/$PI_USER/.ssh/authorized_keys...\n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
sudo cp "$HOME/.ssh/$HOST_NAME.pub" "$ROOTFS_MOUNT/home/$PI_USER/.ssh/authorized_keys"
|
|
sync
|
|
fi
|
|
# Disable PW login
|
|
green "8/14 : Disabling SSH password based login in $ROOTFS_MOUNT/etc/ssh/sshd_config ...\n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
echo -e "PasswordAuthentication no\nChallengeResponseAuthentication no\nUsePAM no" | sudo tee -a "$ROOTFS_MOUNT/etc/ssh/sshd_config"
|
|
sync
|
|
fi
|
|
# 3. Configure wifi with static IP
|
|
green "9/14 : Configuring wireless connection to $SSID with pw $PASSWD : ...\n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
echo "ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
|
|
update_config=1
|
|
country=FR
|
|
|
|
network={
|
|
ssid=\"$SSID\" # Nom du réseau auquel on se connecte
|
|
psk=\"$PASSWD\" # Mot de passe wifi
|
|
# Optional parameters
|
|
# scan_ssid=1 # hidden ssid
|
|
# Specify 2.4 or 5G freq
|
|
# https://w1.fi/cgit/hostap/tree/wpa_supplicant/wpa_supplicant.conf#n910
|
|
# https://fr.wikipedia.org/wiki/Liste_des_canaux_Wi-Fi#Bande_2,4_GHz
|
|
# scan_freq=2412 2437 2462
|
|
}" | sudo tee "$ROOTFS_MOUNT/etc/wpa_supplicant/wpa_supplicant.conf"
|
|
sync
|
|
fi
|
|
# Request specific IP to dhcp server
|
|
green "10/14 : Setting static IP $HOST in $ROOTFS_MOUNT/etc/dhcpcd.conf...\n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
echo -e "interface wlan0\nrequest $HOST" | sudo tee -a "$ROOTFS_MOUNT/etc/dhcpcd.conf"
|
|
sync
|
|
fi
|
|
# 5. Install previously generated SSL key/crt
|
|
green "11/14 : Installing SSL : $CONFIG_DIR/selfCA.crt and $CONFIG_DIR/selfCA.key in $ROOTFS_MOUNT/etc/ssl/certs/ and $ROOTFS_MOUNT/etc/ssl/private/nginx-selfsigned.key...\n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
sudo cp "$CONFIG_DIR/selfCA.crt" "$ROOTFS_MOUNT/etc/ssl/certs/nginx-selfsigned.crt"
|
|
sudo cp "$CONFIG_DIR/selfCA.key" "$ROOTFS_MOUNT/etc/ssl/private/nginx-selfsigned.key"
|
|
sync
|
|
fi
|
|
green "12/14 : Installing http auth secrets in $CONFIG_DIR/pilpil-server.toml, $ROOTFS_MOUNT/home/pil/.config/systemd/user/vlc.service and $ROOTFS_MOUNT/home/pil/pilpil-client/defaults.toml...\n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
#~ Change VLC/pilpil http auth secret
|
|
sed -i "s:secret:$HTTP_SECRET:g" "$CONFIG_DIR/pilpil-server.toml"
|
|
sed -i "s:secret:$HTTP_SECRET:g" "$ROOTFS_MOUNT/home/pil/.config/systemd/user/vlc.service"
|
|
sed -i "s:secret:$HTTP_SECRET:g" "$ROOTFS_MOUNT/home/pil/pilpil-client/defaults.toml"
|
|
fi
|
|
#~ # 6. Copy medias
|
|
green "13/14 : Syncing media folder $LOCAL_MEDIA_DIR/ with $REMOTE_MEDIA_DIR/ \n"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
# Remove filler file
|
|
if [[ -f "$REMOTE_MEDIA_DIR/remove_me" ]]; then
|
|
sudo rm "$REMOTE_MEDIA_DIR/remove_me"
|
|
fi
|
|
fi
|
|
if [[ -d "$ROOTFS_MOUNT" ]]; then
|
|
# Get available space on rootfs
|
|
ROOTFS_AVAILABLE_SPACE=$(df -t ext4 -P "$ROOTFS_MOUNT" | tail -1 | awk '{print $4}')
|
|
yellow "Space available on rootfs : $ROOTFS_AVAILABLE_SPACE sectors"
|
|
# Get Media folder size
|
|
MEDIA_SIZE=$(du -c "$LOCAL_MEDIA_DIR" | tail -1 | awk '{print $1}')
|
|
yellow "Size of medias : $MEDIA_SIZE sectors"
|
|
fi
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
# Only copy files if enough space available
|
|
if [[ "$MEDIA_SIZE" -lt "$ROOTFS_AVAILABLE_SPACE" ]]; then
|
|
USER_ID=$( cat "$ROOTFS_MOUNT/etc/passwd" | grep $PI_USER | awk -F: '{print $3}' )
|
|
GROUP_ID=$( cat "$ROOTFS_MOUNT/etc/passwd" | grep $PI_USER | awk -F: '{print $4}' )
|
|
sudo cp "$LOCAL_MEDIA_DIR/"* "$REMOTE_MEDIA_DIR/"
|
|
sudo chown -R $USER_ID:$GROUP_ID "$REMOTE_MEDIA_DIR"
|
|
sync
|
|
else
|
|
red "Not enough space on $ROOTFS_MOUNT, skipping..."
|
|
fi
|
|
fi
|
|
# Unmount FS
|
|
green "14/14 : Unmounting filesystems"
|
|
if [[ ! "$DRY_RUN" ]]; then
|
|
umount "$BOOT_MOUNT"
|
|
umount "$ROOTFS_MOUNT"
|
|
fi
|
|
yellow "Client $(($IP-9))/$CLIENT_NUMBER done."
|
|
#~ echo "$IP / $(($IP_CNT-1))"
|
|
if [[ "$IP" -lt "$(($IP_CNT-1))" ]]; then
|
|
red "Please swap sd card in reader and enter uppercase 'yes' to proceed with next client or hit Ctrl-C:"
|
|
read -n 4 GO_ON
|
|
if [ "$GO_ON" != "YES" ]
|
|
then
|
|
red "Answer was different from 'YES'. Aborting...\n" >&2
|
|
break
|
|
fi
|
|
GO_ON=0
|
|
((IP++))
|
|
else
|
|
green "All done !"
|
|
exit 1
|
|
fi
|
|
done
|
|
yellow "Nothing more to do."
|
|
exit 0
|
|
#~ rm "$CONFIG_DIR/selfCA.key" |