397 lines
16 KiB
Bash
Executable File
397 lines
16 KiB
Bash
Executable File
#!/bin/bash
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set -e
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# This is the Raspberry Pi2 Kali ARM build script - http://www.kali.org/downloads
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# A trusted Kali Linux image created by Offensive Security - http://www.offensive-security.com
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root"
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exit 1
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fi
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if [[ $# -eq 0 ]] ; then
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echo "Please pass version number, e.g. $0 2.0"
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exit 0
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fi
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basedir=`pwd`/rpi2-$1
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# Custom hostname variable
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hostname=${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-$1-rpi2}
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# Size of image in megabytes (Default is 3000=3GB)
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size=3000
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# Suite to use.
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# Valid options are:
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# kali-rolling, kali-dev, kali-bleeding-edge, kali-dev-only, kali-experimental, kali-last-snapshot
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# A release is done against kali-last-snapshot, but if you're building your own, you'll probably want to build
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# kali-rolling.
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suite=kali-rolling
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# Generate a random machine name to be used.
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machine=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)
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# Package installations for various sections.
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# This will build a minimal XFCE Kali system with the top 10 tools.
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# This is the section to edit if you would like to add more packages.
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# See http://www.kali.org/new/kali-linux-metapackages/ for meta packages you can
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# use. You can also install packages, using just the package name, but keep in
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# mind that not all packages work on ARM! If you specify one of those, the
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# script will throw an error, but will still continue on, and create an unusable
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# image, keep that in mind.
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arm="abootimg cgpt fake-hwclock ntpdate u-boot-tools vboot-utils vboot-kernel-utils"
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base="apt-utils kali-defaults e2fsprogs ifupdown initramfs-tools kali-defaults kali-menu parted sudo usbutils firmware-linux firmware-atheros firmware-libertas firmware-realtek firmware-brcm80211"
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# XFCE desktop (Default)
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desktop="kali-menu fonts-croscore fonts-crosextra-caladea fonts-crosextra-carlito gnome-theme-kali gtk3-engines-xfce kali-desktop-xfce kali-root-login lightdm network-manager network-manager-gnome xfce4 xserver-xorg-video-fbdev xserver-xorg-input-evdev xserver-xorg-input-synaptics xfce4-terminal"
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# GNOME desktop
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#desktop="fonts-croscore fonts-crosextra-caladea fonts-crosextra-carlito gnome-theme-kali gtk3-engines-xfce kali-desktop-gnome kali-root-login gdm network-manager network-manager-gnome xserver-xorg-video-fbdev xserver-xorg-input-evdev xserver-xorg-input-synaptics"
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# i3 desktop
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#desktop="fonts-croscore fonts-crosextra-caladea fonts-crosextra-carlito gnome-theme-kali gtk3-engines-xfce kali-root-login lightdm i3 nitrogen xautolock scrot network-manager-gnome xserver-xorg-video-fbdev xserver-xorg-input-evdev xserver-xorg-input-synaptics"
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tools="aircrack-ng ethtool hydra john libnfc-bin mfoc nmap passing-the-hash sqlmap usbutils winexe wireshark"
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services="apache2 openssh-server"
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extras="iceweasel wpasupplicant raspi3-firmware"
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packages="${arm} ${base} ${services} ${extras}"
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architecture="armhf"
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# If you have your own preferred mirrors, set them here.
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# After generating the rootfs, we set the sources.list to the default settings.
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mirror=http.kali.org
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# Set this to use an http proxy, like apt-cacher-ng, and uncomment further down
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# to unset it.
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#export http_proxy="http://localhost:3142/"
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mkdir -p "${basedir}"
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cd "${basedir}"
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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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debootstrap --foreign --keyring=/usr/share/keyrings/kali-archive-keyring.gpg --include=kali-archive-keyring --arch ${architecture} ${suite} kali-${architecture} http://${mirror}/kali
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LANG=C systemd-nspawn -M ${machine} -D kali-${architecture} /debootstrap/debootstrap --second-stage
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mkdir -p kali-${architecture}/etc/apt/
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cat << EOF > kali-${architecture}/etc/apt/sources.list
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deb http://${mirror}/kali ${suite} main contrib non-free
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EOF
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# Set hostname
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echo "${hostname}" > kali-${architecture}/etc/hostname
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# So X doesn't complain, we add $hostname to hosts
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cat << EOF > kali-${architecture}/etc/hosts
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127.0.0.1 ${hostname} localhost
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::1 localhost ip6-localhost ip6-loopback
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fe00::0 ip6-localnet
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ff00::0 ip6-mcastprefix
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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EOF
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mkdir -p kali-${architecture}/etc/network/
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cat << EOF > kali-${architecture}/etc/network/interfaces
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auto lo
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iface lo inet loopback
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auto eth0
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iface eth0 inet dhcp
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EOF
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cat << EOF > kali-${architecture}/etc/resolv.conf
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nameserver 8.8.8.8
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EOF
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export MALLOC_CHECK_=0 # workaround for LP: #520465
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export LC_ALL=C
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export DEBIAN_FRONTEND=noninteractive
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#mount -t proc proc kali-$architecture/proc
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#mount -o bind /dev/ kali-$architecture/dev/
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#mount -o bind /dev/pts kali-$architecture/dev/pts
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cat << EOF > kali-${architecture}/debconf.set
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console-common console-data/keymap/policy select Select keymap from full list
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console-common console-data/keymap/full select en-latin1-nodeadkeys
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EOF
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mkdir -p kali-${architecture}/lib/systemd/system/
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cat << 'EOF' > kali-${architecture}/lib/systemd/system/regenerate_ssh_host_keys.service
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[Unit]
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Description=Regenerate SSH host keys
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Before=ssh.service
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[Service]
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Type=oneshot
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ExecStartPre=-/bin/dd if=/dev/hwrng of=/dev/urandom count=1 bs=4096
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ExecStartPre=-/bin/sh -c "/bin/rm -f -v /etc/ssh/ssh_host_*_key*"
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ExecStart=/usr/bin/ssh-keygen -A -v
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ExecStartPost=/bin/sh -c "for i in /etc/ssh/ssh_host_*_key*; do actualsize=$(wc -c <\"$i\") ;if [ $actualsize -eq 0 ]; then echo size is 0 bytes ; exit 1 ; fi ; done ; /bin/systemctl disable regenerate_ssh_host_keys"
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[Install]
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WantedBy=multi-user.target
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EOF
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chmod 644 kali-${architecture}/lib/systemd/system/regenerate_ssh_host_keys.service
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cat << EOF > kali-${architecture}/lib/systemd/system/rpiwiggle.service
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[Unit]
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Description=Resize filesystem
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Before=regenerate_ssh_host_keys.service
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[Service]
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Type=oneshot
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ExecStart=/root/scripts/rpi-wiggle.sh
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ExecStartPost=/bin/systemctl disable rpiwiggle
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[Install]
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WantedBy=multi-user.target
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EOF
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chmod 644 kali-${architecture}/lib/systemd/system/rpiwiggle.service
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cat << EOF > "${basedir}"/kali-${architecture}/lib/systemd/system/enable-ssh.service
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[Unit]
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Description=Turn on SSH if /boot/ssh is present
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ConditionPathExistsGlob=/boot/ssh{,.txt}
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After=regenerate_ssh_host_keys.service
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[Service]
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Type=oneshot
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ExecStart=/bin/sh -c "update-rc.d ssh enable && invoke-rc.d ssh start && rm -f /boot/ssh ; rm -f /boot/ssh.txt"
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[Install]
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WantedBy=multi-user.target
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EOF
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chmod 644 "${basedir}"/kali-${architecture}/lib/systemd/system/enable-ssh.service
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cat << EOF > "${basedir}"/kali-${architecture}/lib/systemd/system/copy-user-wpasupplicant.service
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[Unit]
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Description=Copy user wpa_supplicant.conf
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ConditionPathExists=/boot/wpa_supplicant.conf
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Before=dhcpcd.service
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[Service]
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Type=oneshot
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RemainAfterExit=yes
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ExecStart=/bin/mv /boot/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf
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ExecStartPost=/bin/chmod 600 /etc/wpa_supplicant/wpa_supplicant.conf
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[Install]
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WantedBy=multi-user.target
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EOF
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chmod 644 "${basedir}"/kali-${architecture}/lib/systemd/system/copy-user-wpasupplicant.service
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# Let's try out binky's package for the rpi kernel and headers.
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wget https://github.com/nethunteros/rpi-kernel/releases/download/v4.14.30-re4son/raspberrypi-kernel_20180704-223830_armhf.deb -O "${basedir}"/kali-${architecture}/root/raspberrypi-kernel_20180704-223830_armhf.deb
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wget https://github.com/nethunteros/rpi-kernel/releases/download/v4.14.30-re4son/raspberrypi-kernel-headers_20180704-223830_armhf.deb -O "${basedir}"/kali-${architecture}/root/raspberrypi-kernel-headers_20180704-223830_armhf.deb
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cat << EOF > kali-${architecture}/third-stage
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#!/bin/bash
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set -e
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dpkg-divert --add --local --divert /usr/sbin/invoke-rc.d.chroot --rename /usr/sbin/invoke-rc.d
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cp /bin/true /usr/sbin/invoke-rc.d
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echo -e "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d
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chmod 755 /usr/sbin/policy-rc.d
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apt-get update
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apt-get --yes --allow-change-held-packages install locales-all
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debconf-set-selections /debconf.set
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rm -f /debconf.set
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apt-get update
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apt-get -y install git-core binutils ca-certificates initramfs-tools u-boot-tools
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apt-get -y install locales console-common less nano git
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echo "root:toor" | chpasswd
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rm -f /etc/udev/rules.d/70-persistent-net.rules
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export DEBIAN_FRONTEND=noninteractive
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apt-get --yes --allow-change-held-packages install ${packages} || apt-get --yes --fix-broken install
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apt-get --yes --allow-change-held-packages install ${desktop} ${tools} || apt-get --yes --fix-broken install
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apt-get --yes --allow-change-held-packages dist-upgrade
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apt-get --yes --allow-change-held-packages autoremove
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# Install the kernel packages
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dpkg -i /root/raspberrypi-kernel_20180704-223830_armhf.deb /root/raspberrypi-kernel-headers_20180704-223830_armhf.deb
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# Because copying in authorized_keys is hard for people to do, let's make the
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# image insecure and enable root login with a password.
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echo "Making the image insecure"
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sed -i -e 's/^#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config
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# Resize FS on first run (hopefully)
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systemctl enable rpiwiggle
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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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systemctl enable ssh
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# Enable copying of user wpa_supplicant.conf file
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systemctl enable copy-user-wpasupplicant
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# Enable... enabling ssh by putting ssh or ssh.txt file in /boot
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systemctl enable enable-ssh
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# Copy over the default bashrc
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cp /etc/skel/.bashrc /root/.bashrc
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# libinput seems to fail hard on RaspberryPi devices, so we make sure it's not
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# installed here (and we have xserver-xorg-input-evdev and
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# xserver-xorg-input-synaptics packages installed above!)
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apt-get --yes --allow-change-held-packages purge xserver-xorg-input-libinput
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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' "/lib/systemd/system/networking.service"
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rm -f /usr/sbin/policy-rc.d
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rm -f /usr/sbin/invoke-rc.d
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dpkg-divert --remove --rename /usr/sbin/invoke-rc.d
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rm -f /third-stage
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EOF
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chmod 755 kali-${architecture}/third-stage
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LANG=C systemd-nspawn -M ${machine} -D kali-${architecture} /third-stage
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if [[ $? > 0 ]]; then
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echo "Third stage failed"
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exit 1
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fi
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cat << EOF > kali-${architecture}/cleanup
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#!/bin/bash
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rm -rf /root/.bash_history
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apt-get update
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apt-get clean
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rm -f /0
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rm -f /hs_err*
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rm -f cleanup
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rm -f /usr/bin/qemu*
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EOF
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chmod 755 kali-${architecture}/cleanup
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LANG=C systemd-nspawn -M ${machine} -D kali-${architecture} /cleanup
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#umount kali-$architecture/proc/sys/fs/binfmt_misc
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#umount kali-$architecture/dev/pts
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#umount kali-$architecture/dev/
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#umount kali-$architecture/proc
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# Enable login over serial
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echo "T0:23:respawn:/sbin/agetty -L ttyAMA0 115200 vt100" >> "${basedir}"/kali-${architecture}/etc/inittab
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cat << EOF > "${basedir}"/kali-${architecture}/etc/apt/sources.list
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deb http://http.kali.org/kali kali-rolling main non-free contrib
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deb-src http://http.kali.org/kali kali-rolling main non-free contrib
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EOF
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# Uncomment this if you use apt-cacher-ng otherwise git clones will fail.
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#unset http_proxy
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# Create cmdline.txt file
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cat << EOF > "${basedir}"/kali-${architecture}/boot/cmdline.txt
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dwc_otg.fiq_fix_enable=2 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait rootflags=noload net.ifnames=0
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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.
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cat << EOF > "${basedir}"/kali-${architecture}/etc/fstab
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# <file system> <mount point> <type> <options> <dump> <pass>
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proc /proc proc nodev,noexec,nosuid 0 0
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/dev/mmcblk0p2 / ext4 errors=remount-ro 0 1
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# Change this if you add a swap partition or file
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#/dev/SWAP none swap sw 0 0
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/dev/mmcblk0p1 /boot vfat noauto 0 0
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EOF
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# Firmware needed for rpi3+ wifi/bt
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# Without these text files, the firmware doesn't seem to load properly, and they aren't distributed in the firmware packages.
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# We install firmware-broadcom but the firmware that is in there doesn't seem to match what RPis use so we download them manually to be sure.
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mkdir -p "${basedir}"/kali-${architecture}/lib/firmware/brcm/
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wget https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/master/brcm/brcmfmac43430-sdio.txt -O "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43430-sdio.txt
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wget https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/master/brcm/brcmfmac43455-sdio.txt -O "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43455-sdio.txt
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wget https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/master/brcm/brcmfmac43430-sdio.bin -O "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43430-sdio.bin
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wget https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/master/brcm/brcmfmac43455-sdio.bin -O "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43455-sdio.bin
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# This is required for any wifi to work on the RPi 3B+
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wget https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/master/brcm/brcmfmac43455-sdio.clm_blob -O "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43455-sdio.clm_blob
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cd "${basedir}"
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# rpi-wiggle
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mkdir -p "${basedir}"/kali-${architecture}/root/scripts
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wget https://raw.githubusercontent.com/steev/rpiwiggle/master/rpi-wiggle -O "${basedir}"/kali-${architecture}/root/scripts/rpi-wiggle.sh
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chmod 755 "${basedir}"/kali-${architecture}/root/scripts/rpi-wiggle.sh
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# Copy a default config, with everything commented out so people find it when
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# they go to add something when they are following instructions on a website.
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cp "${basedir}"/../misc/config.txt "${basedir}"/kali-${architecture}/boot/config.txt
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cat << EOF >> "${basedir}"/kali-${architecture}/boot/config.txt
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# If you would like to enable USB booting on your Pi, uncomment the following line.
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# Boot from microsd card with it, then reboot.
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# Don't forget to comment this back out after using, especially if you plan to use
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# sdcard with multiple machines!
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# NOTE: This ONLY works with the Raspberry Pi 3+
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#program_usb_boot_mode=1
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EOF
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# Because we use debian's firmware package and they install it to /boot/firmware instead of /boot directly
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# we have to mv it to /boot so the thing will boot.
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mv "${basedir}"/kali-${architecture}/boot/firmware/* "${basedir}"/kali-${architecture}/boot/
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cp "${basedir}"/../misc/zram "${basedir}"/kali-${architecture}/etc/init.d/zram
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chmod 755 "${basedir}"/kali-${architecture}/etc/init.d/zram
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# We do this again down here, because for some reason it seems to reset during third-stage?
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sed -i -e 's/^#PermitRootLogin.*/PermitRootLogin yes/' "${basedir}"/kali-${architecture}/etc/ssh/sshd_config
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# Re4son's rpi-tft configurator
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wget https://raw.githubusercontent.com/Re4son/RPi-Tweaks/master/kalipi-tft-config/kalipi-tft-config -O "${basedir}"/kali-${architecture}/usr/bin/kalipi-tft-config
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chmod 755 "${basedir}"/kali-${architecture}/usr/bin/kalipi-tft-config
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# Create the disk and partition it
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echo "Creating image file ${imagename}.img"
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dd if=/dev/zero of="${basedir}"/${imagename}.img bs=1M count=${size}
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parted ${imagename}.img --script -- mklabel msdos
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parted ${imagename}.img --script -- mkpart primary fat32 0 64
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parted ${imagename}.img --script -- mkpart primary ext4 64 -1
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# Set the partition variables
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loopdevice=`losetup -f --show "${basedir}"/${imagename}.img`
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device=`kpartx -va ${loopdevice} | sed 's/.*\(loop[0-9]\+\)p.*/\1/g' | head -1`
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sleep 5
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device="/dev/mapper/${device}"
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bootp=${device}p1
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rootp=${device}p2
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# Create file systems
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mkfs.vfat ${bootp}
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mkfs.ext4 ${rootp}
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# Create the dirs for the partitions and mount them
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mkdir -p "${basedir}"/root
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mount ${rootp} "${basedir}"/root
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mkdir -p "${basedir}"/root/boot
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mount ${bootp} "${basedir}"/root/boot
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# We do this down here to get rid of the build system's resolv.conf after running through the build.
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cat << EOF > kali-${architecture}/etc/resolv.conf
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nameserver 8.8.8.8
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EOF
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echo "Rsyncing rootfs into image file"
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rsync -HPavz -q "${basedir}"/kali-${architecture}/ "${basedir}"/root/
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# Unmount partitions
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sync
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umount -l ${bootp}
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umount -l ${rootp}
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kpartx -dv ${loopdevice}
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losetup -d ${loopdevice}
|
|
|
|
# Don't pixz on 32bit, there isn't enough memory to compress the images.
|
|
MACHINE_TYPE=`uname -m`
|
|
if [ ${MACHINE_TYPE} == 'x86_64' ]; then
|
|
echo "Compressing ${imagename}.img"
|
|
pixz "${basedir}"/${imagename}.img "${basedir}"/../${imagename}.img.xz
|
|
rm "${basedir}"/${imagename}.img
|
|
fi
|
|
|
|
# Clean up all the temporary build stuff and remove the directories.
|
|
# Comment this out to keep things around if you want to see what may have gone
|
|
# wrong.
|
|
echo "Cleaning up the temporary build files..."
|
|
rm -rf "${basedir}"
|