conf-example

#!/bin/bash

# shebang for syntax highlighting

# A file like this gets sourced by headless-raspi-config.sh when given as an argument like so:
# ./headless-raspi-config.sh conf-example

# Here's how to override vars:
IMG="my-custom.img"
DISK="/dev/null" # for your safety
# p1 and p2 with sd card
BOOT="$DISK"p1
ROOTFS="$DISK"p2
MOUNT="$HOME/mnt" # I like working at home, feel free to take this outside
PRIV=/usr/bin/sudo # if you don't use sudo, change this and/or run as root
# wireless network settings
COUNTRY="FI" # two letter ISO 3166-1 country code
SSID='"example"' # keep the double quotes
PSK="22c4b41f857d22d452604ae0c9a01d2c9c2dd9a165ae5123f2b1ddb280d163cd" # generate with wpa_passphrase $SSID $password
# ssh key
KEY_TYPE="rsa"
KEY_BITS=4096
KEY_PASSPHRASE='reallysecret'
COMMENT="root@mainframe"
KEY_FILE="$HOME/.ssh/custom-rpi_rsa" # private key is generated, not used here; ".pub" is appended later

# Here's how to add your own functions:
function my_function {
	echo "Hello, World!"
}

function another_one {
	echo "this one is called from this file's version of execute_these_steps"
}

function add_rootkit {
	# add_rootkit is ran after other configuration and before unmounting
	my_function
}

# Here's how to override functions:

function execute_these_steps () {
	# Yes, you can override this one too!

        confirm_vars
        set -eu
        nuke_disk # overwrites disk with zeroes (slow)
        write_img
        mk_mnt
        mount_disk
        enable_wifi
        enable_ssh
        backup_default_sshd_config
        disable_passwd_auth
        authorize_key
        add_rootkit || true
	another_one
        umount_disk
        clean_up
}

function press_enter {
	# override needing to confirm variables
	true
}

function mk_mnt {
	echo "[] mkdir mnt/{boot,rootfs}"
}

function clean_up {
	echo "[] cleanup" 
}

function nuke_disk {
	echo "[] nuke $DISK"
}

function write_img {
	echo "[] writing IMG to DISK"
}

function mount_disk {
	echo "[] mount"
}

function umount_disk {
	echo "[] umount"
}

function enable_wifi {
	echo "[] create wpa_supplicant.conf"
}

function enable_ssh {
	echo "[] enable ssh"
}

function generate_keys {
	echo "[] Generating SSH keys"
}

function backup_default_sshd_config {
	true
}

function disable_passwd_auth {
	echo "[] Disable ssh passwd auth"
}

function authorize_key {
	echo "[] Adding "$KEY_FILE".pub to authorized_keys"
}