#!/bin/bash # # Script de creation d'un media bootable Debian # Pour l'ACAQB # # Dépend : syslinux,wget # OPTIND=1 # Default Variables debian_arch="amd64" debian_version="8.7.1" boot_type="efi64" repo_dir="repo" tmp_dir="tmp" current_dir=`pwd` # In Archlinux, this is default files for syslinux... syslinux_modules_dir="/usr/lib/syslinux" syslinux_efi_bootloader="/usr/lib/syslinux" key_mountpoint="/mnt/usbstick" device="" # constant APP_NAME="Debian USB Creator" VERSION="1.99.0" SYSLINUX_EXE=$(which syslinux) PARTED_EXE=$(which parted) SYSLINUX_FILES="menu.c32 vesamenu.c32 libutil.c32 libcom32.c32" SYSLINUX_BIOS_FILES="" SYSLINUX_EFI_FILES="ldlinux.e64" process_args() { # While getops doesn't handle long parameters # I need an personnal function # Inspired by http://mywiki.wooledge.org/BashFAQ/035 while :; do case $1 in -h|-\?|--help) usage exit 0 ;; -a|--arch) if [[ $2 == "amd64" || $2 == "i386" ]] then debian_arch=$2 shift else printf "Error : CPU architecture must be amd64 or i386" exit 1 fi ;; -b|--bios) boot_type="bios" ;; -d|--device) if [ -b $2 ] then device=$2 shift else printf "%s doesn't a block device, exiting" "$2" exit 1 fi ;; --debian-version) debian_version=$2 shift ;; --repo) repo_dir=$2 shift ;; --tmp) tmp_dir=$2 shift ;; -v|--version) show_version exit 0 ;; *) break esac shift done } usage() { cat << EOF USAGE: ${0} [-a architecture] [-b] -a | --arch Select CPU Architecture amd64 | i386 CPU -b | --bios Create a bios bott compatible key -d | --device Device_block USB key to write --debian-ver Choose Debian Version to download --repo Repo directory (defaukt is ./repo) --temp Temp directory (default is ./tmp) -v | --version Show version ${0} initialize an usb key for Debian automatic install with preseed and a partman recipe. EOF } show_version () { printf "%s %s 2016-2017 ephase@xieme-art.org\n" "$APP_NAME" "$VERSION" } download (){ #Download function # $1 : filename # $2 : url # $3 : 1 if abort download if file exist printf "Downloading %s : " "$1" if [[ -f $1 && $3 == "1" ]] then printf "\b\b\b\bfile already downloaded.\n" return fi wget --no-clobber --progress=dot $2/$1 2>&1 | grep --line-buffered "[0-9]\{1,3\}%" -o | awk '{printf ("\b\b\b\b%4s", $1)}' if [ $? -eq 0 ] then printf " done\n " else printf " error, exiting.\n" exit 1 fi } create_dir(){ # $1 directory to create if [ ! -d $1 ] then mkdir -p $1 else if [[ $2 == 1 ]] then rm -rf $1 create_dir $1 fi fi } # unmount if device is mounted umount_device (){ local mounted_part=$(mount | grep "${1}[0-9]" | awk '{print $3}') if [ ! -z mounted_part ] then for part in $mounted_part do if [ -d $part ] then printf "Unmount %s\n " "$part" umount $part --recursive fi done fi } efi_create_key_structure () { parted -s $1 mklabel gpt mkpart EFS fat32 1MiB 128MiB set 1 boot on parted -s $1 mkpart EFS fat32 128MiB 100% mkfs.vfat ${1}1 -n efi &> /dev/null mkfs.vfat ${1}2 -n debian &> /dev/null mount ${1}2 $2 create_dir $2/efi mount ${1}1 $2/efi } bios_create_key_structure() { parted -s $1 mklabel msdos mkpart primary fat32 1MiB 100% set 1 boot on mkfs.vfat ${1}1 -n debian &> /dev/null mount ${1}1 $2 } #Stop script if syslinux is not installed if [ -z $SYSLINUX_EXE ] then printf "Syslinux not found, script can't continue.\n" exit 1 fi if [ -z $PARTED_EXE ] then printf "Parted not found, script can't continue.\n" exit 1 fi process_args $@ bootfiles_Debian="http://ftp.debian.org/debian/dists/jessie/main/installer-${debian_arch}/current/images/hd-media" iso_url="http://cdimage.debian.org/debian-cd/${debian_version}/${debian_arch}/iso-cd" iso_file="debian-${debian_version}-${debian_arch}-netinst.iso" repo_path="$repo_dir/$debian_arch/$debian_version" # Download Debian files (kernel, initrd and iso) printf "Downloading Debian files\n---\n" # Création du répertoire temporaire create_dir $repo_path cd $repo_path download $iso_file $iso_url 1 for file in "vmlinuz" "initrd.gz" do download $file $bootfiles_Debian 1 done cd $current_dir if [ -z $device ] then printf "No destination device specified, USB key will not be created.\n" fi create_dir $tmp_dir 1 cp $repo_path/$iso_file $tmp_dir # Copy wanted syslinux file from archive case $boot_type in efi64) syslinux_folder=${tmp_dir}/efi/EFI/boot create_dir $syslinux_folder cp -T $syslinux_efi_bootloader/$boot_type/syslinux.efi $syslinux_folder/bootx64.efi &> /dev/null for file in $SYSLINUX_EFI_FILES do printf "copying %s \n" "$file" cp $syslinux_modules_dir/$boot_type/$file $syslinux_folder done cp $repo_path/{vmlinuz,initrd.gz} $tmp_dir/efi cp -R syslinux/syslinux.cfg $syslinux_folder &> /dev/null ;; bios) syslinux_folder=${tmp_dir}/syslinux create_dir $syslinux_folder for file in $SYSLINUX_BIOS_FILES do printf "copying %s\n" "$file" cp $syslinux_modules_dir/$boot_type/$file $syslinux_folder done cp $repo_path/{vmlinuz,initrd.gz} $tmp_dir cp -R syslinux $tmp_dir &> /dev/null ;; esac for file in $SYSLINUX_FILES do printf "copying %s\n" "$file" cp $syslinux_modules_dir/$boot_type/$file $syslinux_folder done echo Copying configurations files create_dir $tmp_dir/partman_recipes cp -R partman_recipes $tmp_dir &> /dev/null create_dir $tmp_dir/preseeds cp -R preseeds $tmp_dir &> /dev/null if [ ! -z $device ] then printf "Partitionning and formating %s\n" "$device" read -p "[WARNING] Disk $device will be erased continue [Y/N]? " -n 1 -r if [[ ! $REPLY =~ ^[Yy]$ ]] then exit 1 fi printf "\n\n" umount_device $device create_dir $key_mountpoint #dd if=/dev/zero of=${dest} bs=512 count=1 conv=notrunc &> /dev/null case $boot_type in "efi64") efi_create_key_structure $device $key_mountpoint ;; "bios") bios_create_key_structure $device $key_mountpoint ;; esac printf "copying all file to USB drive\n" cp -R $tmp_dir/* $key_mountpoint umount_device $device sleep 5 # Make key bootable if bios. if [ $boot_type = "bios" ] then # In this mode, we need to write syslinux MBR. printf "Writing syslinux mbr.ini to %s\n" "$device" dd bs=440 count=1 conv=notrunc if=$syslinux_modules_dir/$boot_type/mbr.bin of=$device sleep 2 $SYSLINUX_EXE --directory /syslinux --install ${device}1 fi rm -rf $TMP_DIR printf "\nBootable USB key created\n" exit 0 fi