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b163efda82ca288966a23cf6f55c10ae5ec679ef
arm-kali/rpi3-nexmon-hyperpixel.sh
Steev Klimaszewski b163efda82 *: ext3 :(
2020-05-07 15:19:48 -05:00

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#!/bin/bash
set -e
if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root"
exit 1
fi
if [[ $# -eq 0 ]] ; then
echo "Please pass version number, e.g. $0 2.0, and (if you want) a hostname, default is kali"
exit 0
fi
basedir=`pwd`/rpi3-nexmon-hyperpixel-$1
# Custom hostname variable
hostname=${2:-kali}
# Custom image file name variable - MUST NOT include .img at the end.
imagename=${3:-kali-linux-$1-rpi3-nexmon-hyperpixel}
# Size of image in megabytes (Default is 4000=4GB)
size=4000
# Suite to use.
# Valid options are:
# kali-rolling, kali-dev, kali-bleeding-edge, kali-dev-only, kali-experimental, kali-last-snapshot
# A release is done against kali-last-snapshot, but if you're building your own, you'll probably want to build
# kali-rolling.
suite=kali-rolling
# Set kernel version here, to make it faster to upgrade to newer versions.
# Version number comes from https://github.com/nethunteros/rpi-kernel/releases
# All we need are the numbers.
kernrelease=v4.14.80
rpikernelver=20181124-191322
# Generate a random machine name to be used.
machine=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)
arm="abootimg cgpt fake-hwclock ntpdate u-boot-tools vboot-utils vboot-kernel-utils"
base="apt-transport-https apt-utils console-setup e2fsprogs firmware-linux firmware-realtek firmware-atheros firmware-libertas ifupdown initramfs-tools iw kali-defaults man-db mlocate netcat-traditional net-tools parted psmisc rfkill screen snmpd snmp sudo tftp tmux unrar usbutils vim wget zerofree"
desktop="kali-menu fonts-croscore fonts-crosextra-caladea fonts-crosextra-carlito 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"
tools="aircrack-ng crunch cewl dnsrecon dnsutils ethtool exploitdb hydra john libnfc-bin medusa metasploit-framework mfoc ncrack nmap passing-the-hash proxychains recon-ng sqlmap tcpdump theharvester tor tshark usbutils whois windows-binaries winexe wpscan wireshark"
services="apache2 atftpd openssh-server openvpn tightvncserver"
extras="bluez bluez-firmware firefox-esr i2c-tools python3-configobj python3-evdev python3-pip python3-requests python3-rpi.gpio python3-smbus raspi3-firmware triggerhappy wpasupplicant xfce4-terminal xfonts-terminus"
packages="${arm} ${base} ${services}"
architecture="armhf"
# If you have your own preferred mirrors, set them here.
# After generating the rootfs, we set the sources.list to the default settings.
mirror=http.kali.org
# Set this to use an http proxy, like apt-cacher-ng, and uncomment further down
# to unset it.
#export http_proxy="http://localhost:3142/"
mkdir -p "${basedir}"
cd "${basedir}"
# create the rootfs - not much to modify here, except maybe throw in some more packages if you want.
debootstrap --foreign --keyring=/usr/share/keyrings/kali-archive-keyring.gpg --include=kali-archive-keyring --arch ${architecture} ${suite} kali-${architecture} http://${mirror}/kali
cp /usr/bin/qemu-arm-static kali-${architecture}/usr/bin/
LANG=C systemd-nspawn -M ${machine} -D kali-${architecture} /debootstrap/debootstrap --second-stage
mkdir -p kali-${architecture}/etc/apt/
cat << EOF > kali-${architecture}/etc/apt/sources.list
deb http://${mirror}/kali ${suite} main contrib non-free
EOF
# Set hostname
echo "${hostname}" > kali-${architecture}/etc/hostname
# So X doesn't complain, we add kali to hosts
cat << EOF > kali-${architecture}/etc/hosts
127.0.0.1 ${hostname} localhost
::1 localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
EOF
mkdir -p kali-${architecture}/etc/modprobe.d/
cat << EOF > kali-${architecture}/etc/modprobe.d/ipv6.conf
# Don't load ipv6 by default
alias net-pf-10 off
#alias ipv6 off
EOF
mkdir -p kali-${architecture}/etc/network/
cat << EOF > kali-${architecture}/etc/network/interfaces
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
EOF
cat << EOF > kali-${architecture}/etc/resolv.conf
nameserver 8.8.8.8
EOF
mkdir -p kali-${architecture}/usr/lib/systemd/system/
cat << 'EOF' > kali-${architecture}/usr/lib/systemd/system/regenerate_ssh_host_keys.service
[Unit]
Description=Regenerate SSH host keys
Before=ssh.service
[Service]
Type=oneshot
ExecStartPre=-/bin/dd if=/dev/hwrng of=/dev/urandom count=1 bs=4096
ExecStartPre=-/bin/sh -c "/bin/rm -f -v /etc/ssh/ssh_host_*_key*"
ExecStart=/usr/bin/ssh-keygen -A -v
ExecStartPost=/bin/sh -c "for i in /etc/ssh/ssh_host_*_key*; do actualsize=$(wc -c <\"$i\") ;if [ $actualsize -eq 0 ]; then echo size is 0 bytes ; exit 1 ; fi ; done ; /bin/systemctl disable regenerate_ssh_host_keys"
[Install]
WantedBy=multi-user.target
EOF
chmod 644 kali-${architecture}/usr/lib/systemd/system/regenerate_ssh_host_keys.service
cat << EOF > kali-${architecture}/usr/lib/systemd/system/smi-hack.service
[Unit]
Description=shared-mime-info update hack
Before=regenerate_ssh_host_keys.service
[Service]
Type=oneshot
Environment=DEBIAN_FRONTEND=noninteractive
ExecStart=/bin/sh -c "rm -rf /etc/ssl/certs/*.pem && dpkg -i /root/*.deb"
ExecStart=/bin/sh -c "dpkg-reconfigure shared-mime-info"
ExecStart=/bin/sh -c "dpkg-reconfigure xfonts-base"
ExecStart=/bin/sh -c "rm -f /root/*.deb"
ExecStartPost=/bin/systemctl disable smi-hack
[Install]
WantedBy=multi-user.target
EOF
chmod 644 kali-${architecture}/usr/lib/systemd/system/smi-hack.service
cat << EOF > "${basedir}"/kali-${architecture}/usr/lib/systemd/system/rpiwiggle.service
[Unit]
Description=Resize filesystem
After=regenerate_ssh_host_keys.service
[Service]
Type=oneshot
ExecStart=/root/scripts/rpi-wiggle.sh
ExecStartPost=/bin/systemctl disable rpiwiggle
[Install]
WantedBy=multi-user.target
EOF
chmod 644 "${basedir}"/kali-${architecture}/usr/lib/systemd/system/rpiwiggle.service
cat << EOF > "${basedir}"/kali-${architecture}/usr/lib/systemd/system/enable-ssh.service
[Unit]
Description=Turn on SSH if /boot/ssh is present
ConditionPathExistsGlob=/boot/ssh{,.txt}
After=regenerate_ssh_host_keys.service
[Service]
Type=oneshot
ExecStart=/bin/sh -c "update-rc.d ssh enable && invoke-rc.d ssh start && rm -f /boot/ssh ; rm -f /boot/ssh.txt"
[Install]
WantedBy=multi-user.target
EOF
chmod 644 "${basedir}"/kali-${architecture}/usr/lib/systemd/system/enable-ssh.service
cat << EOF > "${basedir}"/kali-${architecture}/usr/lib/systemd/system/copy-user-wpasupplicant.service
[Unit]
Description=Copy user wpa_supplicant.conf
ConditionPathExists=/boot/wpa_supplicant.conf
Before=dhcpcd.service
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/bin/mv /boot/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf
ExecStartPost=/bin/chmod 600 /etc/wpa_supplicant/wpa_supplicant.conf
[Install]
WantedBy=multi-user.target
EOF
chmod 644 "${basedir}"/kali-${architecture}/usr/lib/systemd/system/copy-user-wpasupplicant.service
# Download the hyperpixel's service files here so we can enable them in the third stage with the rest of the services
wget https://raw.githubusercontent.com/pimoroni/hyperpixel/master/requirements/usr/lib/systemd/system/hyperpixel-touch.service -O kali-${architecture}/usr/lib/systemd/system/hyperpixel-touch.service
wget https://raw.githubusercontent.com/pimoroni/hyperpixel/master/requirements/usr/lib/systemd/system/hyperpixel-init.service -O kali-${architecture}/usr/lib/systemd/system/hyperpixel-init.service
wget https://raw.githubusercontent.com/pimoroni/hyperpixel/master/requirements/usr/bin/hyperpixel-init -O kali-${architecture}/usr/bin/hyperpixel-init
chmod 755 kali-${architecture}/usr/bin/hyperpixel-init
wget https://raw.githubusercontent.com/pimoroni/hyperpixel/master/requirements/usr/bin/hyperpixel-touch -O kali-${architecture}/usr/bin/hyperpixel-touch
chmod 755 kali-${architecture}/usr/bin/hyperpixel-touch
cat << EOF > "${basedir}"/kali-${architecture}/debconf.set
console-common console-data/keymap/policy select Select keymap from full list
console-common console-data/keymap/full select en-latin1-nodeadkeys
EOF
mkdir -p "${basedir}"/kali-${architecture}/usr/bin
cat << 'EOF' > "${basedir}"/kali-${architecture}/usr/bin/monstart
#!/bin/bash
interface=wlan0mon
echo "Bring up monitor mode interface ${interface}"
iw phy phy0 interface add ${interface} type monitor
ifconfig ${interface} up
if [ $? -eq 0 ]; then
echo "started monitor interface on ${interface}"
fi
EOF
chmod 755 "${basedir}"/kali-${architecture}/usr/bin/monstart
cat << 'EOF' > "${basedir}"/kali-${architecture}/usr/bin/monstop
#!/bin/bash
interface=wlan0mon
ifconfig ${interface} down
sleep 1
iw dev ${interface} del
EOF
chmod 755 "${basedir}"/kali-${architecture}/usr/bin/monstop
# Bluetooth enabling
mkdir -p "${basedir}"/kali-${architecture}/etc/udev/rules.d
cp "${basedir}"/../misc/pi-bluetooth/99-com.rules "${basedir}"/kali-${architecture}/etc/udev/rules.d/99-com.rules
mkdir -p "${basedir}"/kali-${architecture}/usr/lib/systemd/system/
cp "${basedir}"/../misc/pi-bluetooth/hciuart.service "${basedir}"/kali-${architecture}/usr/lib/systemd/system/hciuart.service
mkdir -p "${basedir}"/kali-${architecture}/usr/bin
cp "${basedir}"/../misc/pi-bluetooth/btuart "${basedir}"/kali-${architecture}/usr/bin/btuart
# Ensure btuart is executable
chmod 755 "${basedir}"/kali-${architecture}/usr/bin/btuart
# Let's try out binky's package for the rpi kernel and headers.
wget https://github.com/nethunteros/rpi-kernel/releases/download/${kernrelease}-re4son/raspberrypi-kernel_${rpikernelver}_armhf.deb -O "${basedir}"/kali-${architecture}/root/raspberrypi-kernel_${rpikernelver}_armhf.deb
wget https://github.com/nethunteros/rpi-kernel/releases/download/${kernrelease}-re4son/raspberrypi-kernel-headers_${rpikernelver}_armhf.deb -O "${basedir}"/kali-${architecture}/root/raspberrypi-kernel-headers_${rpikernelver}_armhf.deb
# Mister-X's libfakeioctl fixes
#cp "${basedir}"/../misc/fakeioctl.c "${basedir}"/kali-${architecture}/root/fakeioctl.c
cat << EOF > "${basedir}"/kali-${architecture}/third-stage
#!/bin/bash
set -e
dpkg-divert --add --local --divert /usr/sbin/invoke-rc.d.chroot --rename /usr/sbin/invoke-rc.d
cp /bin/true /usr/sbin/invoke-rc.d
echo -e "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d
chmod 755 /usr/sbin/policy-rc.d
apt-get update
apt-get --yes --allow-change-held-packages install locales-all
debconf-set-selections /debconf.set
rm -f /debconf.set
apt-get -y install git-core binutils ca-certificates initramfs-tools u-boot-tools
apt-get -y install locales console-common less nano git
echo "root:toor" | chpasswd
export DEBIAN_FRONTEND=noninteractive
apt-get --yes --allow-change-held-packages -o dpkg::options::=--force-confnew install ${packages} || apt-get --yes --fix-broken install
apt-get --yes --allow-change-held-packages -o dpkg::options::=--force-confnew install ${packages} || apt-get --yes --fix-broken install
apt-get --yes --allow-change-held-packages -o dpkg::options::=--force-confnew install ${desktop} ${extras} ${tools} || apt-get --yes --fix-broken install
apt-get --yes --allow-change-held-packages -o dpkg::options::=--force-confnew install ${desktop} ${extras} ${tools} || apt-get --yes --fix-broken install
# Install the kernel packages
dpkg -i /root/raspberrypi-kernel_${rpikernelver}_armhf.deb /root/raspberrypi-kernel-headers_${rpikernelver}_armhf.deb
apt-get --yes --allow-change-held-packages autoremove
# libinput seems to fail hard on RaspberryPi devices, so we make sure it's not
# installed here (and we have xserver-xorg-input-evdev and
# xserver-xorg-input-synaptics packages installed above!)
apt-get --yes --allow-change-held-packages purge xserver-xorg-input-libinput
# Because copying in authorized_keys is hard for people to do, let's make the
# image insecure and enable root login with a password.
echo "Making the image insecure"
sed -i -e 's/^#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config
# Regenerated the shared-mime-info database on the first boot
# since it fails to do so properly in a chroot.
systemctl enable smi-hack
systemctl enable rpiwiggle
# Generate SSH host keys on first run
systemctl enable regenerate_ssh_host_keys
# Enable hciuart for bluetooth device
systemctl enable hciuart
# Enable copying of user wpa_supplicant.conf file
systemctl enable copy-user-wpasupplicant
# Enable... enabling ssh by putting ssh or ssh.txt file in /boot
systemctl enable enable-ssh
# Enable the hyperpixel display
systemctl enable hyperpixel-init
systemctl enable hyperpixel-touch
# Copy over the default bashrc to root
cp /etc/skel/.bashrc /root/.bashrc
cd /root
apt download ca-certificates
apt download libgdk-pixbuf2.0-0
apt download fontconfig
# Fix startup time from 5 minutes to 15 secs on raise interface wlan0
sed -i 's/^TimeoutStartSec=5min/TimeoutStartSec=15/g' "/usr/lib/systemd/system/networking.service"
# Try and make the console a bit nicer
# Set the terminus font for a bit nicer display.
sed -i -e 's/FONTFACE=.*/FONTFACE="Terminus"/' /etc/default/console-setup
sed -i -e 's/FONTSIZE=.*/FONTSIZE="6x12"/' /etc/default/console-setup
rm -f /usr/sbin/policy-rc.d
rm -f /usr/sbin/invoke-rc.d
dpkg-divert --remove --rename /usr/sbin/invoke-rc.d
rm -rf /root/.bash_history
apt-get update
apt-get clean
rm -f /0
rm -f /hs_err*
rm -f cleanup
#rm -f /usr/bin/qemu*
EOF
chmod 755 "${basedir}"/kali-${architecture}/third-stage
# rpi-wiggle
mkdir -p "${basedir}"/kali-${architecture}/root/scripts
wget https://raw.githubusercontent.com/steev/rpiwiggle/master/rpi-wiggle -O kali-${architecture}/root/scripts/rpi-wiggle.sh
chmod 755 "${basedir}"/kali-${architecture}/root/scripts/rpi-wiggle.sh
export MALLOC_CHECK_=0 # workaround for LP: #520465
export LC_ALL=C
export DEBIAN_FRONTEND=noninteractive
#mount -t proc proc kali-$architecture/proc
#mount -o bind /dev/ kali-$architecture/dev/
#mount -o bind /dev/pts kali-$architecture/dev/pts
LANG=C systemd-nspawn -M ${machine} -D kali-${architecture} /third-stage
if [[ $? > 0 ]]; then
echo "Third stage failed"
exit 1
fi
rm -rf kali-${architecture}/third-stage
#umount kali-$architecture/dev/pts
#umount kali-$architecture/dev/
#umount kali-$architecture/proc
# Enable login over serial
echo "T0:23:respawn:/sbin/agetty -L ttyAMA0 115200 vt100" >> "${basedir}"/kali-${architecture}/etc/inittab
# Uncomment this if you use apt-cacher-ng otherwise git clones will fail.
#unset http_proxy
# Create cmdline.txt file
cd "${basedir}"
cat << EOF > "${basedir}"/kali-${architecture}/boot/cmdline.txt
dwc_otg.fiq_fix_enable=2 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext3 rootwait rootflags=noload net.ifnames=0
EOF
cat << EOF > "${basedir}"/kali-${architecture}/etc/apt/sources.list
deb http://http.kali.org/kali kali-rolling main non-free contrib
deb-src http://http.kali.org/kali kali-rolling main non-free contrib
EOF
# systemd doesn't seem to be generating the fstab properly for some people, so
# let's create one.
cat << EOF > "${basedir}"/kali-${architecture}/etc/fstab
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
/dev/mmcblk0p1 /boot vfat defaults 0 2
/dev/mmcblk0p2 / ext3 defaults,noatime 0 1
# This is a bit of a hack because of using Debian's raspi3-firmware package.
tmpfs /boot/firmware tmpfs rw 0 0
EOF
# Copy a default config, with everything commented out so people find it when
# they go to add something when they are following instructions on a website.
cp "${basedir}"/../misc/config.txt "${basedir}"/kali-${architecture}/boot/config.txt
cat << EOF >> "${basedir}"/kali-${architecture}/boot/config.txt
# If you would like to enable USB booting on your Pi, uncomment the following line.
# Boot from microsd card with it, then reboot.
# Don't forget to comment this back out after using, especially if you plan to use
# sdcard with multiple machines!
# NOTE: This ONLY works with the Raspberry Pi 3+
#program_usb_boot_mode=1
EOF
# Hyperpixel display setup
echo "i2c-dev" >> "${basedir}"/kali-${architecture}/etc/modules
echo "uinput" >> "${basedir}"/kali-${architecture}/etc/modules
# And download the dtbo files here, because now we've built the kernel and installed the other overlays.
wget https://raw.githubusercontent.com/pimoroni/hyperpixel/master/requirements/boot/overlays/hyperpixel-gpio-backlight.dtbo -O "${basedir}"/kali-${architecture}/boot/overlays/hyperpixel-gpio-backlight.dtbo
wget https://raw.githubusercontent.com/pimoroni/hyperpixel/master/requirements/boot/overlays/hyperpixel.dtbo -O "${basedir}"/kali-${architecture}/boot/overlays/hyperpixel.dtbo
cat << EOF >> "${basedir}"/kali-${architecture}/boot/config.txt
# HyperPixel LCD Settings
dtoverlay=hyperpixel
overscan_left=0
overscan_right=0
overscan_top=0
overscan_bottom=0
framebuffer_width=800
framebuffer_height=480
enable_dpi_lcd=1
display_default_lcd=1
dpi_group=2
dpi_mode=87
dpi_output_format=0x6f016
display_rotate=2
hdmi_timings=800 0 50 20 50 480 1 3 2 3 0 0 0 60 0 32000000 6
# Use a basic GPIO backlight driver with on/off support
dtoverlay=hyperpixel-gpio-backlight
EOF
# Because we use debian's firmware package and they install it to /boot/firmware instead of /boot directly
# we have to mv it to /boot so the thing will boot.
mv "${basedir}"/kali-${architecture}/boot/firmware/* "${basedir}"/kali-${architecture}/boot/
cp "${basedir}"/../misc/zram "${basedir}"/kali-${architecture}/etc/init.d/zram
chmod 755 "${basedir}"/kali-${architecture}/etc/init.d/zram
# Set a REGDOMAIN. This needs to be done or wireless doesn't work correctly on the RPi 3B+
sed -i -e 's/REGDOM.*/REGDOMAIN=00/g' "${basedir}"/kali-${architecture}/etc/default/crda
# Build nexmon firmware outside the build system, if we can.
cd "${basedir}"
git clone https://github.com/seemoo-lab/nexmon.git "${basedir}"/nexmon --depth 1
cd "${basedir}"/nexmon
# Disable statistics
touch DISABLE_STATISTICS
source setup_env.sh
ls -lah /usr/lib/x86_64-linux-gnu/libl.a
ls -lah /usr/lib/x86_64-linux-gnu/libfl.a
make
cd buildtools/isl-0.10
CC=${CC}gcc
./configure
make
sed -i -e 's/all:.*/all: $(RAM_FILE)/g' ${NEXMON_ROOT}/patches/bcm43430a1/7_45_41_46/nexmon/Makefile
sed -i -e 's/all:.*/all: $(RAM_FILE)/g' ${NEXMON_ROOT}/patches/bcm43455c0/7_45_154/nexmon/Makefile
cd ${NEXMON_ROOT}/patches/bcm43430a1/7_45_41_46/nexmon
# Make sure we use the cross compiler to build the firmware.
# We use the x86 cross compiler because we're building on amd64
unset CROSS_COMPILE
#export CROSS_COMPILE=${NEXMON_ROOT}/buildtools/gcc-arm-none-eabi-5_4-2016q2-linux-x86/bin/arm-none-eabi-
make clean
# We do this so we don't have to install the ancient isl version into /usr/local/lib on systems.
LD_LIBRARY_PATH=${NEXMON_ROOT}/buildtools/isl-0.10/.libs make ARCH=arm CC=${NEXMON_ROOT}/buildtools/gcc-arm-none-eabi-5_4-2016q2-linux-x86/bin/arm-none-eabi-
cd ${NEXMON_ROOT}/patches/bcm43455c0/7_45_154/nexmon
make clean
LD_LIBRARY_PATH=${NEXMON_ROOT}/buildtools/isl-0.10/.libs make ARCH=arm CC=${NEXMON_ROOT}/buildtools/gcc-arm-none-eabi-5_4-2016q2-linux-x86/bin/arm-none-eabi-
# RPi0w->3B firmware
mkdir -p "${basedir}"/kali-${architecture}/lib/firmware/brcm
cp ${NEXMON_ROOT}/patches/bcm43430a1/7_45_41_46/nexmon/brcmfmac43430-sdio.bin "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43430-sdio.nexmon.bin
cp ${NEXMON_ROOT}/patches/bcm43430a1/7_45_41_46/nexmon/brcmfmac43430-sdio.bin "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43430-sdio.bin
wget https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/master/brcm/brcmfmac43430-sdio.txt -O "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43430-sdio.txt
# RPi3B+ firmware
cp ${NEXMON_ROOT}/patches/bcm43455c0/7_45_154/nexmon/brcmfmac43455-sdio.bin "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43455-sdio.nexmon.bin
cp ${NEXMON_ROOT}/patches/bcm43455c0/7_45_154/nexmon/brcmfmac43455-sdio.bin "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43455-sdio.bin
wget https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/master/brcm/brcmfmac43455-sdio.txt -O "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43455-sdio.txt
# Make a backup copy of the rpi firmware in case people don't want to use the nexmon firmware.
# The firmware used on the RPi is not the same firmware that is in the firmware-brcm package which is why we do this.
wget https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/master/brcm/brcmfmac43430-sdio.bin -O "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43430-sdio.rpi.bin
wget https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/master/brcm/brcmfmac43455-sdio.bin -O "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43455-sdio.rpi.bin
# This is required for any wifi to work on the RPi 3B+
wget https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/master/brcm/brcmfmac43455-sdio.clm_blob -O "${basedir}"/kali-${architecture}/lib/firmware/brcm/brcmfmac43455-sdio.clm_blob
rm -rf "${basedir}"/kali-${architecture}/root/{fakeuname.c,buildnexmon.sh,libfakeuname.so,raspberrypi-kernel*.deb}
cd "${basedir}"
echo "Running du to see how big kali-${architecture} is"
du -sh "${basedir}"/kali-${architecture}
echo "the above is how big the sdcard needs to be"
# Create the disk and partition it
echo "Creating image file ${imagename}.img"
dd if=/dev/zero of="${basedir}"/${imagename}.img bs=1M count=${size}
parted ${imagename}.img --script -- mklabel msdos
parted ${imagename}.img --script -- mkpart primary fat32 0 128
parted ${imagename}.img --script -- mkpart primary ext3 128 -1
# Set the partition variables
loopdevice=`losetup -f --show "${basedir}"/${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 ${bootp}
mkfs.ext3 ${rootp}
# Create the dirs for the partitions and mount them
mkdir -p "${basedir}"/root/
mount ${rootp} "${basedir}"/root
mkdir -p "${basedir}"/root/boot
mount ${bootp} "${basedir}"/root/boot
echo "Rsyncing rootfs into image file"
rsync -HPavz -q "${basedir}"/kali-${architecture}/ "${basedir}"/root/
# We do this down here to get rid of the build system's resolv.conf after running through the build.
cat << EOF > "${basedir}"/root/etc/resolv.conf
nameserver 8.8.8.8
EOF
# Make sure to enable ssh on the device by default
touch "${basedir}"/root/boot/ssh
sync
umount -l ${bootp}
umount -l ${rootp}
kpartx -dv ${loopdevice}
losetup -d ${loopdevice}
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}"
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