merge
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Simone Margaritelli
commit
5920aafb6b
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.gitignore
vendored
1
.gitignore
vendored
@ -7,4 +7,3 @@ _utils
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config.laptop.yml
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.idea
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tmp
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mnt
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@ -2,8 +2,12 @@
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# based on: https://wiki.debian.org/RaspberryPi/qemu-user-static
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## and https://z4ziggy.wordpress.com/2015/05/04/from-bochs-to-chroot/
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set -eu
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REQUIREMENTS=( wget gunzip git dd e2fsck resize2fs parted losetup qemu-system-x86_64 )
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SCRIPT_DIR="$(dirname "$(realpath "$0")")"
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REPO_DIR="$(dirname "$(dirname "$(realpath "$0")")")"
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TMP_DIR="${REPO_DIR}/tmp"
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MNT_DIR="${TMP_DIR}/mnt"
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PWNI_NAME="pwnagotchi"
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PWNI_OUTPUT="pwnagotchi.img"
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@ -12,6 +16,11 @@ PWNI_SIZE="4"
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OPT_PROVISION_ONLY=0
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OPT_CHECK_DEPS_ONLY=0
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if [[ "$EUID" -ne 0 ]]; then
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echo "Run this script as root!"
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exit 1
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fi
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function check_dependencies() {
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echo "[+] Checking dependencies"
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for REQ in "${REQUIREMENTS[@]}"; do
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@ -27,55 +36,56 @@ function check_dependencies() {
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fi
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if ! systemctl is-active systemd-binfmt.service >/dev/null 2>&1; then
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sudo mkdir -p "/lib/binfmt.d"
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sudo sh -c "echo ':qemu-arm:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00:\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfe\xff\xff\xff:/usr/bin/qemu-arm-static:F' >> /lib/binfmt.d/qemu-arm-static.conf"
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sudo systemctl restart systemd-binfmt.service
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mkdir -p "/lib/binfmt.d"
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echo ':qemu-arm:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00:\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfe\xff\xff\xff:/usr/bin/qemu-arm-static:F' > /lib/binfmt.d/qemu-arm-static.conf
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systemctl restart systemd-binfmt.service
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fi
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}
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function get_raspbian() {
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echo "[+] Downloading raspbian.zip"
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mkdir -p "${SCRIPT_DIR}/tmp/"
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wget -qcN -O "${SCRIPT_DIR}/tmp/rasbian.zip" "https://downloads.raspberrypi.org/raspbian_lite_latest"
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mkdir -p "${TMP_DIR}"
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wget --show-progress -qcO "${TMP_DIR}/raspbian.zip" "https://downloads.raspberrypi.org/raspbian_lite_latest"
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echo "[+] Unpacking raspbian.zip to raspbian.img"
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gunzip -c "${SCRIPT_DIR}/tmp/rasbian.zip" > "${SCRIPT_DIR}/tmp/raspbian.img"
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gunzip -c "${TMP_DIR}/raspbian.zip" > "${TMP_DIR}/raspbian.img"
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}
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function setup_raspbian(){
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echo "[+] Resize image"
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dd if=/dev/zero bs=1G count="$PWNI_SIZE" >> "${SCRIPT_DIR}/tmp/raspbian.img"
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dd if=/dev/zero bs=1G count="$PWNI_SIZE" >> "${TMP_DIR}/raspbian.img"
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echo "[+] Setup loop device"
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mkdir -p "${SCRIPT_DIR}/mnt"
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LOOP_PATH="$(sudo losetup --find --partscan --show "${SCRIPT_DIR}/tmp/raspbian.img")"
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PART2_START="$(sudo parted -s "$LOOP_PATH" -- print | awk '$1==2{ print $2 }')"
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sudo parted -s "$LOOP_PATH" rm 2
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sudo parted -s "$LOOP_PATH" mkpart primary "$PART2_START" 100%
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mkdir -p "${MNT_DIR}"
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LOOP_PATH="$(losetup --find --partscan --show "${TMP_DIR}/raspbian.img")"
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PART2_START="$(parted -s "$LOOP_PATH" -- print | awk '$1==2{ print $2 }')"
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parted -s "$LOOP_PATH" rm 2
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parted -s "$LOOP_PATH" mkpart primary "$PART2_START" 100%
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echo "[+] Check FS"
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sudo e2fsck -f "${LOOP_PATH}p2"
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e2fsck -f "${LOOP_PATH}p2"
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echo "[+] Resize FS"
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sudo resize2fs "${LOOP_PATH}p2"
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resize2fs "${LOOP_PATH}p2"
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echo "[+] Device is ${LOOP_PATH}"
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echo "[+] Unmount if already mounted with other img"
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sudo umount -r "${SCRIPT_DIR}/mnt" || true
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mountpoint -q "${MNT_DIR}" && umount -R "${MNT_DIR}"
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echo "[+] Mount /"
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sudo mount -o rw "${LOOP_PATH}p2" "${SCRIPT_DIR}/mnt"
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mount -o rw "${LOOP_PATH}p2" "${MNT_DIR}"
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echo "[+] Mount /boot"
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sudo mount -o rw "${LOOP_PATH}p1" "${SCRIPT_DIR}/mnt/boot"
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sudo mount --bind /dev "${SCRIPT_DIR}/mnt/dev/"
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sudo mount --bind /sys "${SCRIPT_DIR}/mnt/sys/"
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sudo mount --bind /proc "${SCRIPT_DIR}/mnt/proc/"
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sudo mount --bind /dev/pts "${SCRIPT_DIR}/mnt/dev/pts"
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sudo mount --bind /etc/ssl/certs "${SCRIPT_DIR}/mnt/etc/ssl/certs"
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sudo mount --bind /etc/ca-certificates "${SCRIPT_DIR}/mnt/etc/ca-certificates"
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sudo cp /usr/bin/qemu-arm-static "${SCRIPT_DIR}/mnt/usr/bin"
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mount -o rw "${LOOP_PATH}p1" "${MNT_DIR}/boot"
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mount --bind /dev "${MNT_DIR}/dev/"
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mount --bind /sys "${MNT_DIR}/sys/"
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mount --bind /proc "${MNT_DIR}/proc/"
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mount --bind /dev/pts "${MNT_DIR}/dev/pts"
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mount --bind /etc/ssl/certs "${MNT_DIR}/etc/ssl/certs"
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mount --bind /etc/ca-certificates "${MNT_DIR}/etc/ca-certificates"
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cp /usr/bin/qemu-arm-static "${MNT_DIR}/usr/bin"
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}
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function provision_raspbian() {
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cd "${SCRIPT_DIR}/mnt/" || exit 1
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sudo sed -i'' 's/^\([^#]\)/#\1/g' etc/ld.so.preload # add comments
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cd "${MNT_DIR}"
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sed -i'' 's/^\([^#]\)/#\1/g' etc/ld.so.preload # add comments
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echo "[+] Run chroot commands"
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sudo LANG=C chroot . bin/bash -x <<EOF
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export PATH=\$PATH:/bin
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LANG=C chroot . bin/bash -x <<EOF
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set -eu
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export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
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apt-get -y update
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apt-get -y upgrade
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apt-get -y install git vim screen build-essential golang python3-pip
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@ -144,11 +154,11 @@ STOP
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apt update
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apt install -y kalipi-kernel kalipi-bootloader kalipi-re4son-firmware kalipi-kernel-headers libraspberrypi0 libraspberrypi-dev libraspberrypi-doc libraspberrypi-bin
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EOF
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sudo sed -i'' 's/^#//g' etc/ld.so.preload
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cd "${SCRIPT_DIR}" || exit 1
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sudo umount -R "${SCRIPT_DIR}/mnt/"
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sudo losetup -D "$(losetup -l | awk '/raspbian\.img/{print $1}')"
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mv "${SCRIPT_DIR}/tmp/raspbian.img" "$PWNI_OUTPUT"
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sed -i'' 's/^#//g' etc/ld.so.preload
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cd "${REPO_DIR}"
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umount -R "${MNT_DIR}"
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losetup -D "$(losetup -l | awk '/raspbian\.img/{print $1}')"
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mv "${TMP_DIR}/raspbian.img" "$PWNI_OUTPUT"
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}
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function usage() {
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@ -161,7 +171,7 @@ usage: $0 [OPTIONS]
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-o <file> # Name of the img-file (default: pwnagotchi.img)
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-s <size> # Size which should be added to second partition (in Gigabyte) (default: 4)
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-p # Only run provisioning (assumes the image is already mounted)
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-p # Only run dependencies checks
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-d # Only run dependencies checks
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-h # Show this help
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EOF
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