#!/usr/bin/env bash # # Kali Linux ARM build-script for Chromebook (Nyan Acer Tegra) (32-bit) # Source: https://gitlab.com/kalilinux/build-scripts/kali-arm # # This is a community script - you will need to generate your own image to use # More information: https://www.kali.org/docs/arm/chromebook-nyan/ # # Stop on error set -e # Uncomment to activate debug # debug=true if [ "$debug" = true ]; then exec > >(tee -a -i "${0%.*}.log") 2>&1 set -x fi # Architecture architecture=${architecture:-"armhf"} # Generate a random machine name to be used machine=$( tr -cd 'A-Za-z0-9' &2 echo "Use: sudo $0 ${1:-2.0} ${2:-kali}" >&2 exit 1 fi # Pass version number if [[ $# -eq 0 ]]; then echo "Please pass version number, e.g. $0 2.0, and (if you want) a hostname, default is kali" >&2 exit 0 fi # Check exist bsp directory if [ ! -e "bsp" ]; then echo "Error: missing bsp directory structure" >&2 echo "Please clone the full repository ${kaligit}/build-scripts/kali-arm" >&2 exit 255 fi # Current directory repo_dir="$(pwd)" # Base directory base_dir=${repo_dir}/nyan-"$1" # Working directory work_dir="${base_dir}/kali-${architecture}" # Check directory build if [ -e "${base_dir}" ]; then echo "${base_dir} directory exists, will not continue" >&2 exit 1 elif [[ ${repo_dir} =~ [[:space:]] ]]; then echo "The directory "\"${repo_dir}"\" contains whitespace. Not supported." >&2 exit 1 else echo "The base_dir thinks it is: ${base_dir}" mkdir -p ${base_dir} fi components="main,contrib,non-free" arm="kali-linux-arm ntpdate" base="apt-transport-https apt-utils bash-completion console-setup dialog \ e2fsprogs ifupdown initramfs-tools inxi iw man-db mlocate net-tools \ netcat-traditional parted pciutils psmisc rfkill screen tmux unrar usbutils \ vim wget whiptail zerofree" desktop="kali-desktop-xfce kali-root-login xfonts-terminus xinput \ xserver-xorg-input-libinput xserver-xorg-input-synaptics \ xserver-xorg-video-fbdev" tools="kali-linux-default" services="apache2 atftpd" extras="alsa-utils bc bison bluez bluez-firmware kali-linux-core \ libnss-systemd libssl-dev triggerhappy" packages="${arm} ${base} ${services}" kernel_release="R71-11151.B-chromeos-3.10" # Automatic configuration to use an http proxy, such as apt-cacher-ng # You can turn off automatic settings by uncommenting apt_cacher=off # apt_cacher=off # By default the proxy settings are local, but you can define an external proxy # proxy_url="http://external.intranet.local" apt_cacher=${apt_cacher:-"$(lsof -i :3142 | cut -d ' ' -f3 | uniq | sed '/^\s*$/d')"} if [ -n "$proxy_url" ]; then export http_proxy=$proxy_url elif [ "$apt_cacher" = "apt-cacher-ng" ]; then if [ -z "$proxy_url" ]; then proxy_url=${proxy_url:-"http://127.0.0.1:3142/"} export http_proxy=$proxy_url fi fi # Detect architecture if [[ "${architecture}" == "arm64" ]]; then qemu_bin="/usr/bin/qemu-aarch64-static" lib_arch="aarch64-linux-gnu" elif [[ "${architecture}" == "armhf" ]]; then qemu_bin="/usr/bin/qemu-arm-static" lib_arch="arm-linux-gnueabihf" elif [[ "${architecture}" == "armel" ]]; then qemu_bin="/usr/bin/qemu-arm-static" lib_arch="arm-linux-gnueabi" fi # create the rootfs - not much to modify here, except maybe throw in some more packages if you want eatmydata debootstrap --foreign \ --keyring=/usr/share/keyrings/kali-archive-keyring.gpg \ --include=kali-archive-keyring,eatmydata \ --components=${components} \ --arch ${architecture} ${suite} ${work_dir} http://http.kali.org/kali # systemd-nspawn environment systemd-nspawn_exec() { LANG=C systemd-nspawn -q --bind-ro ${qemu_bin} -M ${machine} -D ${work_dir} "$@" } # We need to manually extract eatmydata to use it for the second stage for archive in ${work_dir}/var/cache/apt/archives/*eatmydata*.deb; do dpkg-deb --fsys-tarfile "$archive" >${work_dir}/eatmydata tar -xkf ${work_dir}/eatmydata -C ${work_dir} rm -f ${work_dir}/eatmydata done # Prepare dpkg to use eatmydata systemd-nspawn_exec dpkg-divert --divert /usr/bin/dpkg-eatmydata --rename --add /usr/bin/dpkg cat >${work_dir}/usr/bin/dpkg <${work_dir}/etc/apt/sources.list deb ${mirror} ${suite} ${components//,/ } #deb-src ${mirror} ${suite} ${components//,/ } EOF # Set hostname echo "${hostname}" >${work_dir}/etc/hostname # So X doesn't complain, we add kali to hosts cat <${work_dir}/etc/hosts 127.0.0.1 ${hostname} localhost ::1 localhost ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters EOF # Disable IPv6 cat <${work_dir}/etc/modprobe.d/ipv6.conf # Don't load ipv6 by default alias net-pf-10 off EOF cat <${work_dir}/etc/network/interfaces auto lo iface lo inet loopback EOF # DNS server echo "nameserver ${nameserver}" >"${work_dir}"/etc/resolv.conf # Copy directory bsp into build dir cp -rp bsp ${work_dir} # Workaround for LP: #520465 export MALLOC_CHECK_=0 # Enable the use of http proxy in third-stage in case it is enabled if [ -n "$proxy_url" ]; then echo "Acquire::http { Proxy \"$proxy_url\" };" >${work_dir}/etc/apt/apt.conf.d/66proxy fi # Third stage cat <${work_dir}/third-stage #!/bin/bash -e export DEBIAN_FRONTEND=noninteractive eatmydata apt-get update eatmydata apt-get -y install binutils ca-certificates console-common cryptsetup-bin git initramfs-tools less locales nano u-boot-tools # Create kali user with kali password... but first, we need to manually make some groups because they don't yet exist.. # 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 # However we leave off floppy, because who a) still uses them, and b) attaches them to an SBC!? # And since a lot of these have serial devices of some sort, dialout is added as well # scanner, lpadmin and bluetooth have to be added manually because they don't # yet exist in /etc/group at this point groupadd -r -g 118 bluetooth groupadd -r -g 113 lpadmin groupadd -r -g 122 scanner groupadd -g 1000 kali useradd -m -u 1000 -g 1000 -G sudo,audio,bluetooth,cdrom,dialout,dip,lpadmin,netdev,plugdev,scanner,video,kali -s /bin/bash kali echo "kali:kali" | chpasswd aptops="--allow-change-held-packages -o dpkg::options::=--force-confnew -o Acquire::Retries=3" # This looks weird, but we do it twice because every so often, there's a failure to download from the mirror # So to workaround it, we attempt to install them twice eatmydata apt-get install -y \$aptops ${packages} || eatmydata apt-get --yes --fix-broken install eatmydata apt-get install -y \$aptops ${packages} || eatmydata apt-get --yes --fix-broken install eatmydata apt-get install -y \$aptops ${desktop} ${extras} ${tools} || eatmydata apt-get --yes --fix-broken install eatmydata apt-get install -y \$aptops ${desktop} ${extras} ${tools} || eatmydata apt-get --yes --fix-broken install eatmydata apt-get install -y \$aptops --autoremove systemd-timesyncd || eatmydata apt-get --yes --fix-broken install eatmydata apt-get dist-upgrade -y \$aptops eatmydata apt-get -y --allow-change-held-packages --purge autoremove # Linux console/Keyboard configuration echo 'console-common console-data/keymap/policy select Select keymap from full list' | debconf-set-selections echo 'console-common console-data/keymap/full select en-latin1-nodeadkeys' | debconf-set-selections # Copy all services cp -p /bsp/services/all/*.service /etc/systemd/system/ # Regenerated the shared-mime-info database on the first boot # since it fails to do so properly in a chroot systemctl enable smi-hack # Enable sshd systemctl enable ssh # Allow users to use NM over ssh install -m644 /bsp/polkit/10-NetworkManager.pkla /var/lib/polkit-1/localauthority/50-local.d cd /root apt download -o APT::Sandbox::User=root ca-certificates 2>/dev/null # Copy over the default bashrc cp /etc/skel/.bashrc /root/.bashrc # 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' /etc/default/crda # Enable login over serial echo "T0:23:respawn:/sbin/agetty -L ttyAMA0 115200 vt100" >> /etc/inittab # 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 # 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" rm -f /usr/bin/dpkg EOF # Run third stage chmod 0755 ${work_dir}/third-stage systemd-nspawn_exec /third-stage # Clean up eatmydata systemd-nspawn_exec dpkg-divert --remove --rename /usr/bin/dpkg # Clean system systemd-nspawn_exec <<'EOF' rm -f /0 rm -rf /bsp fc-cache -frs rm -rf /tmp/* rm -rf /etc/*- rm -rf /hs_err* rm -rf /userland rm -rf /opt/vc/src rm -f /etc/ssh/ssh_host_* rm -rf /var/lib/dpkg/*-old rm -rf /var/lib/apt/lists/* rm -rf /var/cache/apt/*.bin rm -rf /var/cache/apt/archives/* rm -rf /var/cache/debconf/*.data-old for logs in $(find /var/log -type f); do > $logs; done history -c EOF # Disable the use of http proxy in case it is enabled if [ -n "$proxy_url" ]; then unset http_proxy rm -rf ${work_dir}/etc/apt/apt.conf.d/66proxy fi # Mirror & suite replacement if [[ ! -z "${4}" || ! -z "${5}" ]]; then mirror=${4} suite=${5} fi # Define sources.list cat <${work_dir}/etc/apt/sources.list deb ${mirror} ${suite} ${components//,/ } #deb-src ${mirror} ${suite} ${components//,/ } EOF # Pull in the gcc 5.3 cross compiler to build the kernel # Debian uses a newer compiler and the chromebook kernel doesn't support # that cd "${base_dir}" git clone --depth 1 https://gitlab.com/kalilinux/packages/gcc-arm-linux-gnueabihf-4-7.git gcc-arm-linux-gnueabihf-4.7 # Kernel section. If you want to use a custom kernel, or configuration, replace # them in this section cd "${base_dir}" git clone --depth 1 https://chromium.googlesource.com/chromiumos/third_party/kernel -b release-${kernel_release} ${work_dir}/usr/src/kernel cd ${work_dir}/usr/src/kernel mkdir -p ${work_dir}/usr/src/kernel/firmware/nvidia/tegra124/ cp ${work_dir}/lib/firmware/nvidia/tegra124/xusb.bin firmware/nvidia/tegra124/ cp ${repo_dir}/kernel-configs/chromebook-3.10.config .config cp ${repo_dir}/kernel-configs/chromebook-3.10.config ${work_dir}/usr/src/nyan.config git rev-parse HEAD >${work_dir}/usr/src/kernel-at-commit export ARCH=arm # Edit the CROSS_COMPILE variable as needed export CROSS_COMPILE="${base_dir}"/gcc-arm-linux-gnueabihf-4.7/bin/arm-linux-gnueabihf- patch -p1 --no-backup-if-mismatch <${repo_dir}/patches/mac80211-3.8.patch patch -p1 --no-backup-if-mismatch <${work_dir}/patches/0001-mwifiex-do-not-create-AP-and-P2P-interfaces-upon-dri-3.8.patch patch -p1 --no-backup-if-mismatch <${work_dir}/patches/0001-Comment-out-a-pr_debug-print.patch make WIFIVERSION="-3.8" oldconfig || die "Kernel config options added" make WIFIVERSION="-3.8" -j $(grep -c processor /proc/cpuinfo) make WIFIVERSION="-3.8" dtbs make WIFIVERSION="-3.8" modules_install INSTALL_MOD_PATH=${work_dir} cat <<__EOF__ >${work_dir}/usr/src/kernel/arch/arm/boot/kernel-nyan.its /dts-v1/; / { description = "ChromeOS kernel image with one or more FDT blobs"; #address-cells = <1>; images { kernel@1{ description = "kernel"; data = /incbin/("zImage"); type = "kernel_noload"; arch = "arm"; os = "linux"; compression = "none"; load = <0>; entry = <0>; }; fdt@1{ description = "tegra124-nyan-big-rev0_2.dtb"; data = /incbin/("dts/tegra124-nyan-big-rev0_2.dtb"); type = "flat_dt"; arch = "arm"; compression = "none"; hash@1{ algo = "sha1"; }; }; fdt@2{ description = "tegra124-nyan-big-rev3_7.dtb"; data = /incbin/("dts/tegra124-nyan-big-rev3_7.dtb"); type = "flat_dt"; arch = "arm"; compression = "none"; hash@1{ algo = "sha1"; }; }; fdt@3{ description = "tegra124-nyan-big-rev8_9.dtb"; data = /incbin/("dts/tegra124-nyan-big-rev8_9.dtb"); type = "flat_dt"; arch = "arm"; compression = "none"; hash@1{ algo = "sha1"; }; }; fdt@4{ description = "tegra124-nyan-blaze.dtb"; data = /incbin/("dts/tegra124-nyan-blaze.dtb"); type = "flat_dt"; arch = "arm"; compression = "none"; hash@1{ algo = "sha1"; }; }; fdt@5{ description = "tegra124-nyan-rev0.dtb"; data = /incbin/("dts/tegra124-nyan-rev0.dtb"); type = "flat_dt"; arch = "arm"; compression = "none"; hash@1{ algo = "sha1"; }; }; fdt@6{ description = "tegra124-nyan-rev1.dtb"; data = /incbin/("dts/tegra124-nyan-rev1.dtb"); type = "flat_dt"; arch = "arm"; compression = "none"; hash@1{ algo = "sha1"; }; }; fdt@7{ description = "tegra124-nyan-kitty-rev0_3.dtb"; data = /incbin/("dts/tegra124-nyan-kitty-rev0_3.dtb"); type = "flat_dt"; arch = "arm"; compression = "none"; hash@1{ algo = "sha1"; }; }; fdt@8{ description = "tegra124-nyan-kitty-rev8.dtb"; data = /incbin/("dts/tegra124-nyan-kitty-rev8.dtb"); type = "flat_dt"; arch = "arm"; compression = "none"; hash@1{ algo = "sha1"; }; }; }; configurations { default = "conf@1"; conf@1{ kernel = "kernel@1"; fdt = "fdt@1"; }; conf@2{ kernel = "kernel@1"; fdt = "fdt@2"; }; conf@3{ kernel = "kernel@1"; fdt = "fdt@3"; }; conf@4{ kernel = "kernel@1"; fdt = "fdt@4"; }; conf@5{ kernel = "kernel@1"; fdt = "fdt@5"; }; conf@6{ kernel = "kernel@1"; fdt = "fdt@6"; }; conf@7{ kernel = "kernel@1"; fdt = "fdt@7"; }; conf@8{ kernel = "kernel@1"; fdt = "fdt@8"; }; }; }; __EOF__ cd ${work_dir}/usr/src/kernel/arch/arm/boot mkimage -f kernel-nyan.its nyan-big-kernel # BEHOLD THE POWER OF PARTUUID/PARTNROFF echo "noinitrd console=tty1 quiet root=PARTUUID=%U/PARTNROFF=1 rootwait rw lsm.module_locking=0 net.ifnames=0 rootfstype=$fstype" >cmdline # Pulled from ChromeOS, this is exactly what they do because there's no # bootloader in the kernel partition on ARM dd if=/dev/zero of=bootloader.bin bs=512 count=1 vbutil_kernel --arch arm --pack "${base_dir}"/kernel.bin --keyblock /usr/share/vboot/devkeys/kernel.keyblock --signprivate /usr/share/vboot/devkeys/kernel_data_key.vbprivk --version 1 --config cmdline --bootloader bootloader.bin --vmlinuz nyan-big-kernel cd ${work_dir}/usr/src/kernel # Clean up our build of the kernel, then copy the config and run make # modules_prepare so that users can more easily build kernel modules.. make WIFIVERSION="-3.8" mrproper cp ../nyan.config .config cd "${base_dir}" # Fix up the symlink for building external modules # kernver is used so we don't need to keep track of what the current compiled # version is kernver=$(ls ${work_dir}/lib/modules/) cd ${work_dir}/lib/modules/${kernver} rm build rm source ln -s /usr/src/kernel build ln -s /usr/src/kernel source cd "${base_dir}" # Lid switch cat <${work_dir}/etc/udev/rules.d/99-tegra-lid-switch.rules ACTION=="remove", GOTO="tegra_lid_switch_end" SUBSYSTEM=="input", KERNEL=="event*", SUBSYSTEMS=="platform", KERNELS=="gpio-keys.4", TAG+="power-switch" LABEL="tegra_lid_switch_end" EOF # Bit of a hack, this is so the eMMC doesn't show up on the desktop cat <${work_dir}/etc/udev/rules.d/99-hide-emmc-partitions.rules KERNEL=="mmcblk0*", ENV{UDISKS_IGNORE}="1" EOF # Disable uap0 and p2p0 interfaces in NetworkManager mkdir -p ${work_dir}/etc/NetworkManager/ printf '\n[keyfile]\nunmanaged-devices=interface-name:p2p0\n' >>${work_dir}/etc/NetworkManager/NetworkManager.conf #nvidia device nodes cat <${work_dir}/lib/udev/rules.d/51-nvrm.rules KERNEL=="knvmap", GROUP="video", MODE="0660" KERNEL=="nvhdcp1", GROUP="video", MODE="0660" KERNEL=="nvhost-as-gpu", GROUP="video", MODE="0660" KERNEL=="nvhost-ctrl", GROUP="video", MODE="0660" KERNEL=="nvhost-ctrl-gpu", GROUP="video", MODE="0660" KERNEL=="nvhost-dbg-gpu", GROUP="video", MODE="0660" KERNEL=="nvhost-gpu", GROUP="video", MODE="0660" KERNEL=="nvhost-msenc", GROUP="video", MODE="0660" KERNEL=="nvhost-prof-gpu", GROUP="video", MODE="0660" KERNEL=="nvhost-tsec", GROUP="video", MODE="0660" KERNEL=="nvhost-vic", GROUP="video", MODE="0660" KERNEL=="nvmap", GROUP="video", MODE="0660" KERNEL=="tegra_dc_0", GROUP="video", MODE="0660" KERNEL=="tegra_dc_1", GROUP="video", MODE="0660" KERNEL=="tegra_dc_ctrl", GROUP="video", MODE="0660" EOF # Touchpad configuration mkdir -p ${work_dir}/etc/X11/xorg.conf.d cp ${repo_dir}/bsp/xorg/10-synaptics-chromebook.conf ${work_dir}/etc/X11/xorg.conf.d/ # lp0 resume firmware.. # Check https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/master/sys-kernel/tegra_lp0_resume/ # to find the lastest commit to use (note: CROS_WORKON_COMMIT ) cd "${base_dir}" git clone https://chromium.googlesource.com/chromiumos/third_party/coreboot cd "${base_dir}"/coreboot git checkout fb840ee4195f9c365375e8914e243ce2f5e4f7bf make -C src/soc/nvidia/tegra124/lp0 GCC_PREFIX=arm-linux-gnueabihf- mkdir -p ${work_dir}/lib/firmware/tegra12x/ cp src/soc/nvidia/tegra124/lp0/tegra_lp0_resume.fw ${work_dir}/lib/firmware/tegra12x/ cd "${base_dir}" # Calculate the space to create the image root_size=$(du -s -B1 ${work_dir} --exclude=${work_dir}/boot | cut -f1) root_extra=$((${root_size} / 1024 / 1000 * 5 * 1024 / 5)) raw_size=$(($((${free_space} * 1024)) + ${root_extra} + $((${bootsize} * 1024)) + 4096)) # Create the disk and partition it echo "Creating image file ${image_name}.img" fallocate -l $(echo ${raw_size}Ki | numfmt --from=iec-i --to=si) "${image_dir}/${image_name}.img" parted -s "${image_dir}/${image_name}.img" mklabel gpt cgpt create -z "${image_dir}/${image_name}.img" cgpt create "${image_dir}/${image_name}.img" cgpt add -i 1 -t kernel -b 8192 -s 32768 -l kernel -S 1 -T 5 -P 10 "${image_dir}/${image_name}.img" cgpt add -i 2 -t data -b 40960 -s $(expr $(cgpt show "${image_dir}/${image_name}.img" | grep 'Sec GPT table' | awk '{ print \$1 }') - 40960) -l Root "${image_dir}/${image_name}.img" loopdevice=$(losetup -f --show ${repo_dir}/${image_name}.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 if [[ $fstype == ext4 ]]; then features="-O ^64bit,^metadata_csum" elif [[ $fstype == ext3 ]]; then features="-O ^64bit" fi mkfs $features -t $fstype -L ROOTFS ${rootp} mkdir -p "${base_dir}"/root mount ${rootp} "${base_dir}"/root # 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}/ ${base_dir}/root/ # Unmount partitions sync umount ${rootp} dd if="${base_dir}"/kernel.bin of=${bootp} cgpt repair ${loopdevice} kpartx -dv ${loopdevice} losetup -d ${loopdevice} # Limit CPU function limit_cpu() { # Random name group rand=$( tr -cd 'A-Za-z0-9'