a2cd18e5ff
This breaks the un-converted scripts but that gives more reason to move them to the new way over the coming days.
503 lines
17 KiB
Bash
Executable File
503 lines
17 KiB
Bash
Executable File
#!/bin/bash
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set -e
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# This is the Utilite Kali ARM build script - http://utilite-computer.com/web/home
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# A trusted Kali Linux image created by Offensive Security - http://www.offensive-security.com
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# Uncomment to activate debug
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# debug=true
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if [ "$debug" = true ]; then
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exec > >(tee -a -i "${0%.*}.log") 2>&1
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set -x
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fi
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# Architecture
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architecture=${architecture:-"armhf"}
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# Generate a random machine name to be used.
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machine=$(tr -cd 'A-Za-z0-9' < /dev/urandom | head -c16 ; echo)
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# Custom hostname variable
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hostname=${2:-kali}
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# Custom image file name variable - MUST NOT include .img at the end.
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imagename=${3:-kali-linux-$1-utilite}
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# Suite to use, valid options are:
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# kali-rolling, kali-dev, kali-bleeding-edge, kali-dev-only, kali-experimental, kali-last-snapshot
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suite=${suite:-"kali-rolling"}
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# Free space rootfs in MiB
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free_space="300"
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# /boot partition in MiB
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bootsize="128"
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# Select compression, xz or none
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compress="xz"
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# Choose filesystem format to format ( ext3 or ext4 )
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fstype="ext3"
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# If you have your own preferred mirrors, set them here.
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mirror=${mirror:-"http://http.kali.org/kali"}
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# Gitlab url Kali repository
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kaligit="https://gitlab.com/kalilinux"
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# Github raw url
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githubraw="https://raw.githubusercontent.com"
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# Check EUID=0 you can run any binary as root.
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root or have super user permissions"
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echo "Use: sudo $0 ${1:-2.0} ${2:-kali}"
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exit 1
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fi
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# Pass version number
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if [[ $# -eq 0 ]] ; then
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echo "Please pass version number, e.g. $0 2.0, and (if you want) a hostname, default is kali"
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exit 0
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fi
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# Check exist bsp directory.
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if [ ! -e "bsp" ]; then
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echo "Error: missing bsp directory structure"
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echo "Please clone the full repository ${kaligit}/build-scripts/kali-arm"
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exit 255
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fi
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# Current directory
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current_dir="$(pwd)"
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# Base directory
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basedir=${current_dir}/utilite-"$1"
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# Working directory
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work_dir="${basedir}/kali-${architecture}"
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# Check directory build
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if [ -e "${basedir}" ]; then
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echo "${basedir} directory exists, will not continue"
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exit 1
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elif [[ ${current_dir} =~ [[:space:]] ]]; then
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echo "The directory "\"${current_dir}"\" contains whitespace. Not supported."
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exit 1
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else
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echo "The basedir thinks it is: ${basedir}"
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mkdir -p ${basedir}
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fi
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components="main,contrib,non-free"
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arm="kali-linux-arm ntpdate"
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base="apt-transport-https apt-utils bash-completion console-setup dialog e2fsprogs ifupdown initramfs-tools inxi iw man-db mlocate netcat-traditional net-tools parted pciutils psmisc rfkill screen tmux unrar usbutils vim wget whiptail zerofree"
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desktop="kali-desktop-xfce kali-root-login xserver-xorg-video-fbdev xfonts-terminus xinput"
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tools="kali-linux-default"
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services="apache2 atftpd"
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extras="alsa-utils bc bison bluez bluez-firmware kali-linux-core libnss-systemd libssl-dev triggerhappy"
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packages="${arm} ${base} ${services}"
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# Automatic configuration to use an http proxy, such as apt-cacher-ng.
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# You can turn off automatic settings by uncommenting apt_cacher=off.
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# apt_cacher=off
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# By default the proxy settings are local, but you can define an external proxy.
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# proxy_url="http://external.intranet.local"
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apt_cacher=${apt_cacher:-"$(lsof -i :3142|cut -d ' ' -f3 | uniq | sed '/^\s*$/d')"}
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if [ -n "$proxy_url" ]; then
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export http_proxy=$proxy_url
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elif [ "$apt_cacher" = "apt-cacher-ng" ] ; then
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if [ -z "$proxy_url" ]; then
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proxy_url=${proxy_url:-"http://127.0.0.1:3142/"}
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export http_proxy=$proxy_url
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fi
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fi
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# Detect architecture
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if [[ "${architecture}" == "arm64" ]]; then
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qemu_bin="/usr/bin/qemu-aarch64-static"
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lib_arch="aarch64-linux-gnu"
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elif [[ "${architecture}" == "armhf" ]]; then
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qemu_bin="/usr/bin/qemu-arm-static"
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lib_arch="arm-linux-gnueabihf"
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elif [[ "${architecture}" == "armel" ]]; then
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qemu_bin="/usr/bin/qemu-arm-static"
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lib_arch="arm-linux-gnueabi"
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fi
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# create the rootfs - not much to modify here, except maybe throw in some more packages if you want.
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eatmydata debootstrap --foreign --keyring=/usr/share/keyrings/kali-archive-keyring.gpg --include=kali-archive-keyring,eatmydata \
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--components=${components} --arch ${architecture} ${suite} ${work_dir} http://http.kali.org/kali
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# systemd-nspawn enviroment
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systemd-nspawn_exec(){
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LANG=C systemd-nspawn -q --bind-ro ${qemu_bin} -M ${machine} -D ${work_dir} "$@"
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}
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# We need to manually extract eatmydata to use it for the second stage.
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for archive in ${work_dir}/var/cache/apt/archives/*eatmydata*.deb; do
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dpkg-deb --fsys-tarfile "$archive" > ${work_dir}/eatmydata
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tar -xkf ${work_dir}/eatmydata -C ${work_dir}
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rm -f ${work_dir}/eatmydata
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done
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# Prepare dpkg to use eatmydata
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systemd-nspawn_exec dpkg-divert --divert /usr/bin/dpkg-eatmydata --rename --add /usr/bin/dpkg
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cat > ${work_dir}/usr/bin/dpkg << EOF
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#!/bin/sh
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if [ -e /usr/lib/${lib_arch}/libeatmydata.so ]; then
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[ -n "\${LD_PRELOAD}" ] && LD_PRELOAD="\$LD_PRELOAD:"
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LD_PRELOAD="\$LD_PRELOAD\$so"
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fi
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for so in /usr/lib/${lib_arch}/libeatmydata.so; do
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[ -n "\$LD_PRELOAD" ] && LD_PRELOAD="\$LD_PRELOAD:"
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LD_PRELOAD="\$LD_PRELOAD\$so"
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done
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export LD_PRELOAD
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exec "\$0-eatmydata" --force-unsafe-io "\$@"
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EOF
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chmod 755 ${work_dir}/usr/bin/dpkg
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# debootstrap second stage
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systemd-nspawn_exec eatmydata /debootstrap/debootstrap --second-stage
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cat << EOF > ${work_dir}/etc/apt/sources.list
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deb ${mirror} ${suite} ${components//,/ }
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#deb-src ${mirror} ${suite} ${components//,/ }
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EOF
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# Set hostname
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echo "${hostname}" > ${work_dir}/etc/hostname
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# So X doesn't complain, we add kali to hosts
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cat << EOF > ${work_dir}/etc/hosts
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127.0.0.1 ${hostname} localhost
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::1 localhost ip6-localhost ip6-loopback
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fe00::0 ip6-localnet
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ff00::0 ip6-mcastprefix
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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EOF
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# Disable IPv6
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cat << EOF > ${work_dir}/etc/modprobe.d/ipv6.conf
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# Don't load ipv6 by default
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alias net-pf-10 off
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EOF
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cat << EOF > ${work_dir}/etc/network/interfaces
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auto lo
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iface lo inet loopback
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auto eth0
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allow-hotplug eth0
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iface eth0 inet dhcp
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EOF
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# DNS server
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echo "nameserver ${nameserver}" >"${work_dir}"/etc/resolv.conf
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# Copy directory bsp into build dir.
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cp -rp bsp ${work_dir}
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export MALLOC_CHECK_=0 # workaround for LP: #520465
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# Enable the use of http proxy in third-stage in case it is enabled.
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if [ -n "$proxy_url" ]; then
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echo "Acquire::http { Proxy \"$proxy_url\" };" > ${work_dir}/etc/apt/apt.conf.d/66proxy
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fi
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# Third stage
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cat << EOF > ${work_dir}/third-stage
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#!/bin/bash -e
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export DEBIAN_FRONTEND=noninteractive
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eatmydata apt-get update
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eatmydata apt-get -y install binutils ca-certificates console-common git initramfs-tools less locales nano u-boot-tools
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# Create kali user with kali password... but first, we need to manually make some groups because they don't yet exist...
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# This mirrors what we have on a pre-installed VM, until the script works properly to allow end users to set up their own... user.
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# However we leave off floppy, because who a) still uses them, and b) attaches them to an SBC!?
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# And since a lot of these have serial devices of some sort, dialout is added as well.
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# scanner, lpadmin and bluetooth have to be added manually because they don't
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# yet exist in /etc/group at this point.
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groupadd -r -g 118 bluetooth
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groupadd -r -g 113 lpadmin
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groupadd -r -g 122 scanner
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groupadd -g 1000 kali
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useradd -m -u 1000 -g 1000 -G sudo,audio,bluetooth,cdrom,dialout,dip,lpadmin,netdev,plugdev,scanner,video,kali -s /bin/bash kali
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echo "kali:kali" | chpasswd
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aptops="--allow-change-held-packages -o dpkg::options::=--force-confnew -o Acquire::Retries=3"
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# This looks weird, but we do it twice because every so often, there's a failure to download from the mirror
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# So to workaround it, we attempt to install them twice.
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eatmydata apt-get install -y \$aptops ${packages} || eatmydata apt-get --yes --fix-broken install
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eatmydata apt-get install -y \$aptops ${packages} || eatmydata apt-get --yes --fix-broken install
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eatmydata apt-get install -y \$aptops ${desktop} ${extras} ${tools} || eatmydata apt-get --yes --fix-broken install
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eatmydata apt-get install -y \$aptops ${desktop} ${extras} ${tools} || eatmydata apt-get --yes --fix-broken install
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eatmydata apt-get install -y \$aptops --autoremove systemd-timesyncd || eatmydata apt-get --yes --fix-broken install
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eatmydata apt-get dist-upgrade -y \$aptops
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eatmydata apt-get -y --allow-change-held-packages --purge autoremove
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# Linux console/Keyboard configuration
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echo 'console-common console-data/keymap/policy select Select keymap from full list' | debconf-set-selections
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echo 'console-common console-data/keymap/full select en-latin1-nodeadkeys' | debconf-set-selections
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# Copy all services
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install -m644 /bsp/services/all/*.service /etc/systemd/system/
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# Regenerated the shared-mime-info database on the first boot
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# since it fails to do so properly in a chroot.
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systemctl enable smi-hack
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# Generate SSH host keys on first run
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systemctl enable regenerate_ssh_host_keys
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# Enable sshd
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systemctl enable ssh
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# Allow users to use NM over ssh
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install -m644 /bsp/polkit/10-NetworkManager.pkla /var/lib/polkit-1/localauthority/50-local.d
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cd /root
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apt download -o APT::Sandbox::User=root ca-certificates 2>/dev/null
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# Copy over the default bashrc
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cp /etc/skel/.bashrc /root/.bashrc
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# Set a REGDOMAIN. This needs to be done or wireless doesn't work correctly on the RPi 3B+
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sed -i -e 's/REGDOM.*/REGDOMAIN=00/g' /etc/default/crda
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# Enable serial console access
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echo "T1:23:respawn:/sbin/agetty -L ttymxc3 115200 vt100" >> /etc/inittab
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# Try and make the console a bit nicer
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# Set the terminus font for a bit nicer display.
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sed -i -e 's/FONTFACE=.*/FONTFACE="Terminus"/' /etc/default/console-setup
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sed -i -e 's/FONTSIZE=.*/FONTSIZE="6x12"/' /etc/default/console-setup
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# Fix startup time from 5 minutes to 15 secs on raise interface wlan0
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sed -i 's/^TimeoutStartSec=5min/TimeoutStartSec=15/g' "/usr/lib/systemd/system/networking.service"
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rm -f /usr/bin/dpkg
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EOF
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# Run third stage
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chmod 755 ${work_dir}/third-stage
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systemd-nspawn_exec /third-stage
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# Clean up eatmydata
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systemd-nspawn_exec dpkg-divert --remove --rename /usr/bin/dpkg
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# Clean system
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systemd-nspawn_exec << 'EOF'
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rm -f /0
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rm -rf /bsp
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fc-cache -frs
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rm -rf /tmp/*
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rm -rf /etc/*-
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rm -rf /hs_err*
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rm -rf /userland
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rm -rf /opt/vc/src
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rm -f /etc/ssh/ssh_host_*
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rm -rf /var/lib/dpkg/*-old
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rm -rf /var/lib/apt/lists/*
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rm -rf /var/cache/apt/*.bin
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rm -rf /var/cache/apt/archives/*
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rm -rf /var/cache/debconf/*.data-old
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for logs in $(find /var/log -type f); do > $logs; done
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history -c
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EOF
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# Disable the use of http proxy in case it is enabled.
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if [ -n "$proxy_url" ]; then
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unset http_proxy
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rm -rf ${work_dir}/etc/apt/apt.conf.d/66proxy
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fi
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# Mirror & suite replacement
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if [[ ! -z "${4}" || ! -z "${5}" ]]; then
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mirror=${4}
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suite=${5}
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fi
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cat << EOF >> ${work_dir}/etc/udev/links.conf
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M ttymxc3 c 5 1
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EOF
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cat << EOF >> ${work_dir}/etc/securetty
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ttymxc3
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EOF
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# Mirror replacement
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if [[ ! -z "${@:5}" || "$suite" != "kali-rolling" ]]; then
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mirror=${@:5}
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[ ! -z "${@:5}" ] || mirror="http://http.kali.org/kali"
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[ "$suite" != "kali-rolling" ] && suite=kali-rolling
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fi
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# Define sources.list
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cat << EOF > ${work_dir}/etc/apt/sources.list
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deb ${mirror} ${suite} ${components//,/ }
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#deb-src ${mirror} ${suite} ${components//,/ }
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EOF
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# systemd doesn't seem to be generating the fstab properly for some people, so
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# let's create one. We leave the root partition off and add it below after
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# we create the partition in the image so we can use the UUID.
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cat << EOF > ${work_dir}/etc/fstab
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# <file system> <mount point> <type> <options> <dump> <pass>
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proc /proc proc defaults 0 0
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/dev/mmcblk0p1 /boot vfat defaults 0 2
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EOF
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cd ${basedir}
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# Clone a cross compiler to use instead of the Kali one due to kernel age.
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git clone --depth 1 https://gitlab.com/kalilinux/packages/gcc-arm-linux-gnueabihf-4-7.git gcc-arm-linux-gnueabihf-4.7
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# Kernel section. If you want to use a custom kernel, or configuration, replace
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# them in this section.
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git clone --branch utilite/devel --depth 1 https://github.com/utilite-computer/linux-kernel ${work_dir}/usr/src/kernel
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cd ${work_dir}/usr/src/kernel
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git rev-parse HEAD > ${work_dir}/usr/src/kernel-at-commit
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patch -p1 --no-backup-if-mismatch < ${current_dir}/patches/mac80211.patch
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# Needed for issues with hdmi being inited already in u-boot.
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patch -p1 --no-backup-if-mismatch < ${current_dir}/patches/f922b0d.patch
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patch -p1 --no-backup-if-mismatch < ${current_dir}/patches/0001-wireless-carl9170-Enable-sniffer-mode-promisc-flag-t.patch
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# This patch is necessary for older revisions of the Utilite so leave the patch
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# and comment in the repo to know why this is here. Should be fixed by a u-boot
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# upgrade but CompuLab haven't released it yet, so leave it here for now.
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#patch -p1 --no-backup-if-mismatch < ${current_dir}/patches/31727b0.patch
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cp ${current_dir}/kernel-configs/utilite-3.10.config .config
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cp ${current_dir}/kernel-configs/utilite-3.10.config ${work_dir}/usr/src/utilite-3.10.config
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touch .scmversion
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export ARCH=arm
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export CROSS_COMPILE="${basedir}"/gcc-arm-linux-gnueabihf-4.7/bin/arm-linux-gnueabihf-
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make -j $(grep -c processor /proc/cpuinfo)
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make modules_install INSTALL_MOD_PATH=${work_dir}
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cp arch/arm/boot/zImage ${work_dir}/boot/zImage-cm-fx6
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cp arch/arm/boot/dts/imx6q-sbc-fx6m.dtb ${work_dir}/boot/imx6q-sbc-fx6m.dtb
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make mrproper
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cp ../utilite-3.10.config .config
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cd "${basedir}"
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# Fix up the symlink for building external modules
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# kernver is used so we don't need to keep track of what the current compiled
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# version is
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kernver=$(ls ${work_dir}/lib/modules/)
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cd ${work_dir}/lib/modules/${kernver}
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rm build
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rm source
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ln -s /usr/src/kernel build
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ln -s /usr/src/kernel source
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cd "${basedir}"
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# Create a file to set up our u-boot environment
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cat << EOF > ${work_dir}/boot/boot.txt
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setenv mmcdev 2
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setenv bootargs 'earlyprintk console=ttymxc3,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=$fstype rw rootwait net.ifnames=0'
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setenv loadaddr 0x10800000
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setenv fdtaddr 0x15000000
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setenv bootm_low 0x15000000
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setenv zimage zImage-cm-fx6
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setenv dtb imx6q-sbc-fx6m.dtb
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#setenv kernel uImage-cm-fx6
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load mmc \${mmcdev}:1 \${loadaddr} \${zimage}
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load mmc \${mmcdev}:1 \${fdtaddr} \${dtb}
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bootz \${loadaddr} - \${fdtaddr}
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#load mmc \${mmcdev}:1 \${loadaddr} \${kernel}
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#bootm \${loadaddr}
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EOF
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# And generate the boot.scr
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mkimage -A arm -T script -C none -d ${work_dir}/boot/boot.txt ${work_dir}/boot/boot.scr
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cd "${basedir}"
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# Calculate the space to create the image.
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root_size=$(du -s -B1 ${work_dir} --exclude=${work_dir}/boot | cut -f1)
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root_extra=$((${root_size}/1024/1000*5*1024/5))
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raw_size=$(($((${free_space}*1024))+${root_extra}+$((${bootsize}*1024))+4096))
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# Create the disk and partition it
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echo "Creating image file ${imagename}.img"
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fallocate -l $(echo ${raw_size}Ki | numfmt --from=iec-i --to=si) ${current_dir}/${imagename}.img
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parted -s ${current_dir}/${imagename}.img mklabel msdos
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parted -s ${current_dir}/${imagename}.img mkpart primary fat32 1MiB ${bootsize}MiB
|
|
parted -s -a minimal ${current_dir}/${imagename}.img mkpart primary $fstype ${bootsize}MiB 100%
|
|
|
|
# Set the partition variables
|
|
loopdevice=`losetup -f --show ${current_dir}/${imagename}.img`
|
|
device=`kpartx -va ${loopdevice} | sed 's/.*\(loop[0-9]\+\)p.*/\1/g' | head -1`
|
|
sleep 5
|
|
device="/dev/mapper/${device}"
|
|
bootp=${device}p1
|
|
rootp=${device}p2
|
|
|
|
# Create file systems
|
|
mkfs.vfat -n BOOT ${bootp}
|
|
# The utilite uses an older kernel, and newer mkfs tools add extras to ext3, so
|
|
# we disable them otherwise there will be a kernel panic at boot.
|
|
if [[ $fstype == ext4 ]]; then
|
|
features="-O ^64bit,^metadata_csum"
|
|
elif [[ $fstype == ext3 ]]; then
|
|
features="-O ^64bit"
|
|
fi
|
|
mkfs $features -t $fstype -L ROOTFS ${rootp}
|
|
|
|
# Create the dirs for the partitions and mount them
|
|
mkdir -p "${basedir}"/root
|
|
mount ${rootp} "${basedir}"/root
|
|
mkdir -p "${basedir}"/root/boot
|
|
mount ${bootp} "${basedir}"/root/boot
|
|
|
|
# We do this down here to get rid of the build system's resolv.conf after running through the build.
|
|
echo "nameserver ${nameserver}" >"${work_dir}"/etc/resolv.conf
|
|
|
|
# Create an fstab so that we don't mount / read-only.
|
|
UUID=$(blkid -s UUID -o value ${rootp})
|
|
echo "UUID=$UUID / $fstype errors=remount-ro 0 1" >> ${work_dir}/etc/fstab
|
|
|
|
echo "Rsyncing rootfs into image file"
|
|
rsync -HPavz -q ${work_dir}/ ${basedir}/root/
|
|
|
|
# Unmount partitions
|
|
sync
|
|
umount ${bootp}
|
|
umount ${rootp}
|
|
kpartx -dv ${loopdevice}
|
|
losetup -d ${loopdevice}
|
|
|
|
# Limite use cpu function
|
|
limit_cpu (){
|
|
rand=$(tr -cd 'A-Za-z0-9' < /dev/urandom | head -c4 ; echo) # Randowm name group
|
|
cgcreate -g cpu:/cpulimit-${rand} # Name of group cpulimit
|
|
cgset -r cpu.shares=800 cpulimit-${rand} # Max 1024
|
|
cgset -r cpu.cfs_quota_us=80000 cpulimit-${rand} # Max 100000
|
|
# Retry command
|
|
local n=1; local max=5; local delay=2
|
|
while true; do
|
|
cgexec -g cpu:cpulimit-${rand} "$@" && break || {
|
|
if [[ $n -lt $max ]]; then
|
|
((n++))
|
|
echo -e "\e[31m Command failed. Attempt $n/$max \033[0m"
|
|
sleep $delay;
|
|
else
|
|
echo "The command has failed after $n attempts."
|
|
break
|
|
fi
|
|
}
|
|
done
|
|
}
|
|
|
|
if [ $compress = xz ]; then
|
|
if [ $(arch) == 'x86_64' ]; then
|
|
echo "Compressing ${imagename}.img"
|
|
[ $(nproc) \< 3 ] || cpu_cores=3 # cpu_cores = Number of cores to use
|
|
limit_cpu pixz -p ${cpu_cores:-2} ${current_dir}/${imagename}.img # -p Nº cpu cores use
|
|
chmod 644 ${current_dir}/${imagename}.img.xz
|
|
fi
|
|
else
|
|
chmod 644 ${current_dir}/${imagename}.img
|
|
fi
|
|
|
|
# Clean up all the temporary build stuff and remove the directories.
|
|
# Comment this out to keep things around if you want to see what may have gone wrong.
|
|
echo "Removing temporary build files"
|
|
rm -rf "${basedir}"
|