467 lines
18 KiB
Bash
Executable File
467 lines
18 KiB
Bash
Executable File
#!/bin/bash
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set -e
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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, and (if you want) a hostname, default is kali"
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exit 0
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fi
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basedir=`pwd`/rpi3-nexmon-$1
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# Custom hostname variable
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hostname=${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-$1-rpi3-nexmon}
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# Size of image in megabytes (Default is 14000=14GB)
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size=14000
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# Suite to use.
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# Valid options are:
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# kali-rolling, kali-dev, kali-bleeding-edge, kali-dev-only, kali-experimental, kali-last-snapshot
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# A release is done against kali-last-snapshot, but if you're building your own, you'll probably want to build
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# kali-rolling.
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suite=kali-rolling
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# Generate a random machine name to be used.
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machine=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)
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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 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="wireshark"
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services="apache2 atftpd"
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extras="alsa-utils bc bison bluez bluez-firmware i2c-tools kali-linux-core libnss-systemd libssl-dev python3-configobj python3-pip python3-requests python3-rpi.gpio python3-smbus triggerhappy"
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packages="${arm} ${base} ${services}"
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architecture="armhf"
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# If you have your own preferred mirrors, set them here.
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# After generating the rootfs, we set the sources.list to the default settings.
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mirror=http.kali.org
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mkdir -p "${basedir}"
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cd "${basedir}"
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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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# 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://${mirror}/kali
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cp /usr/bin/qemu-arm-static kali-${architecture}/usr/bin/
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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-${architecture}/etc/hostname
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# So X doesn't complain, we add kali to hosts
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cat << EOF > kali-${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/modprobe.d/
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cat << EOF > kali-${architecture}/etc/modprobe.d/ipv6.conf
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# Don't load ipv6 by default
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alias net-pf-10 off
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#alias ipv6 off
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EOF
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mkdir -p kali-${architecture}/etc/network/
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cat << EOF > kali-${architecture}/etc/network/interfaces
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auto lo
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iface lo inet loopback
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auto eth0
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allow-hotplug eth0
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iface eth0 inet dhcp
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EOF
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cat << EOF > kali-${architecture}/etc/resolv.conf
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nameserver 8.8.8.8
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EOF
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mkdir -p kali-${architecture}/usr/lib/systemd/system/
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cat << 'EOF' > kali-${architecture}/usr/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}/usr/lib/systemd/system/regenerate_ssh_host_keys.service
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cat << EOF > kali-${architecture}/usr/lib/systemd/system/rpiwiggle.service
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[Unit]
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Description=Resize filesystem
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After=regenerate_ssh_host_keys.service
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[Service]
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Type=oneshot
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ExecStart=/root/scripts/rpi-wiggle.sh
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ExecStartPost=/bin/systemctl disable rpiwiggle
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[Install]
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WantedBy=multi-user.target
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EOF
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chmod 644 kali-${architecture}/usr/lib/systemd/system/rpiwiggle.service
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cat << EOF > kali-${architecture}/usr/lib/systemd/system/smi-hack.service
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[Unit]
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Description=shared-mime-info update hack
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Before=regenerate_ssh_host_keys.service
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[Service]
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Type=oneshot
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Environment=DEBIAN_FRONTEND=noninteractive
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ExecStart=/bin/sh -c "rm -rf /etc/ssl/certs/*.pem && dpkg -i /root/*.deb"
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ExecStart=/bin/sh -c "dpkg-reconfigure shared-mime-info"
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ExecStart=/bin/sh -c "dpkg-reconfigure xfonts-base"
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ExecStart=/bin/sh -c "rm -f /root/*.deb"
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ExecStart=/bin/sh -c 'apt-get --yes -o dpkg::options::="--force-confnew" -o dpkg::options::="--force-overwrite" install kali-linux-default'
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ExecStart=/bin/sh -c "apt-get clean"
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ExecStartPost=/bin/systemctl disable smi-hack
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[Install]
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WantedBy=multi-user.target
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EOF
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chmod 644 kali-${architecture}/usr/lib/systemd/system/smi-hack.service
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cat << EOF > kali-${architecture}/usr/lib/systemd/system/enable-ssh.service
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[Unit]
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Description=Turn on SSH if /boot/ssh is present
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ConditionPathExistsGlob=/boot/ssh{,.txt}
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After=regenerate_ssh_host_keys.service
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[Service]
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Type=oneshot
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ExecStart=/bin/sh -c "update-rc.d ssh enable && invoke-rc.d ssh start && rm -f /boot/ssh ; rm -f /boot/ssh.txt"
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[Install]
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WantedBy=multi-user.target
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EOF
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chmod 644 kali-${architecture}/usr/lib/systemd/system/enable-ssh.service
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cat << EOF > kali-${architecture}/usr/lib/systemd/system/copy-user-wpasupplicant.service
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[Unit]
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Description=Copy user wpa_supplicant.conf
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ConditionPathExists=/boot/wpa_supplicant.conf
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Before=dhcpcd.service
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[Service]
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Type=oneshot
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RemainAfterExit=yes
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ExecStart=/bin/mv /boot/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf
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ExecStartPost=/bin/chmod 600 /etc/wpa_supplicant/wpa_supplicant.conf
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[Install]
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WantedBy=multi-user.target
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EOF
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chmod 644 kali-${architecture}/usr/lib/systemd/system/copy-user-wpasupplicant.service
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cat << EOF > "${basedir}"/kali-${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 "${basedir}"/kali-${architecture}/usr/bin/
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cat << 'EOF' > "${basedir}"/kali-${architecture}/usr/bin/monstart
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#!/bin/bash
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interface=wlan0mon
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echo "Bring up monitor mode interface ${interface}"
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iw phy phy0 interface add ${interface} type monitor
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ifconfig ${interface} up
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if [ $? -eq 0 ]; then
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echo "started monitor interface on ${interface}"
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fi
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EOF
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chmod 755 "${basedir}"/kali-${architecture}/usr/bin/monstart
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cat << 'EOF' > "${basedir}"/kali-${architecture}/usr/bin/monstop
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#!/bin/bash
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interface=wlan0mon
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ifconfig ${interface} down
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sleep 1
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iw dev ${interface} del
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EOF
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chmod 755 "${basedir}"/kali-${architecture}/usr/bin/monstop
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# Bluetooth enabling
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mkdir -p "${basedir}"/kali-${architecture}/etc/udev/rules.d
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cp "${basedir}"/../misc/pi-bluetooth/99-com.rules "${basedir}"/kali-${architecture}/etc/udev/rules.d/99-com.rules
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mkdir -p "${basedir}"/kali-${architecture}/usr/lib/systemd/system/
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cp "${basedir}"/../misc/pi-bluetooth/hciuart.service "${basedir}"/kali-${architecture}/usr/lib/systemd/system/hciuart.service
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mkdir -p "${basedir}"/kali-${architecture}/usr/bin
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cp "${basedir}"/../misc/pi-bluetooth/btuart "${basedir}"/kali-${architecture}/usr/bin/btuart
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# Ensure btuart is executable
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chmod 755 "${basedir}"/kali-${architecture}/usr/bin/btuart
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cat << EOF > "${basedir}"/kali-${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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mkdir -p /etc/apt/apt.conf.d/
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# According to the last comment in https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=119544 it's just Acquire::Retries to retry
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echo "Acquire::Retries \"10\";" >> /etc/apt/apt.conf.d/80-retries
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apt-get update
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debconf-set-selections /debconf.set
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rm -f /debconf.set
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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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# 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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export DEBIAN_FRONTEND=noninteractive
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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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apt-get --yes --allow-change-held-packages -o dpkg::options::=--force-confnew install ${packages} || apt-get --yes --fix-broken install
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apt-get --yes --allow-change-held-packages -o dpkg::options::=--force-confnew install ${packages} || apt-get --yes --fix-broken install
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apt-get --yes --allow-change-held-packages -o dpkg::options::=--force-confnew install ${desktop} ${extras} ${tools} || apt-get --yes --fix-broken install
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apt-get --yes --allow-change-held-packages -o dpkg::options::=--force-confnew install ${desktop} ${extras} ${tools} || apt-get --yes --fix-broken install
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# Install the kernel packages
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echo "deb http://http.re4son-kernel.com/re4son kali-pi main" > /etc/apt/sources.list.d/re4son.list
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wget -O - https://re4son-kernel.com/keys/http/archive-key.asc | apt-key add -
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apt-get update
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apt-get install --yes --allow-change-held-packages -o dpkg::options::=--force-confnew kalipi-kernel kalipi-bootloader kalipi-re4son-firmware kalipi-kernel-headers
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apt-get --yes --allow-change-held-packages autoremove
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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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# 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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# 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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# Resize filesystem on first boot
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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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# Enable hciuart for bluetooth device
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systemctl enable hciuart
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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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cd /root
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apt-get download ca-certificates
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apt-get download libgdk-pixbuf2.0-0
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apt-get download fontconfig
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apt-get install --yes --download-only kali-linux-default
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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/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 -rf /root/.bash_history
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apt-get update
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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 "${basedir}"/kali-${architecture}/third-stage
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# rpi-wiggle
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mkdir -p "${basedir}"/kali-${architecture}/root/scripts
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wget https://raw.githubusercontent.com/steev/rpiwiggle/master/rpi-wiggle -O kali-${architecture}/root/scripts/rpi-wiggle.sh
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chmod 755 "${basedir}"/kali-${architecture}/root/scripts/rpi-wiggle.sh
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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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LANG=C systemd-nspawn -M ${machine} -D kali-${architecture} /third-stage
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if [[ $? > 0 ]]; then
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echo "Third stage failed"
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exit 1
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fi
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rm -rf kali-${architecture}/third-stage
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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-${architecture}/etc/inittab
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# Uncomment this if you use apt-cacher-ng otherwise git clones will fail.
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#unset http_proxy
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# Create cmdline.txt file
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cd "${basedir}"
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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=ext3 rootwait rootflags=noload net.ifnames=0
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EOF
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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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# 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 defaults 0 0
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/dev/mmcblk0p1 /boot vfat defaults 0 2
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/dev/mmcblk0p2 / ext3 defaults,noatime 0 1
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EOF
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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-${architecture}/boot/config.txt
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# If you would like to enable USB booting on your Pi, uncomment the following line.
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# Boot from microsd card with it, then reboot.
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# Don't forget to comment this back out after using, especially if you plan to use
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# sdcard with multiple machines!
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# NOTE: This ONLY works with the Raspberry Pi 3+
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#program_usb_boot_mode=1
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EOF
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# Copy in the bluetooth firmware
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cp "${basedir}"/../misc/brcm/BCM43430A1.hcd "${basedir}"/kali-${architecture}/lib/firmware/brcm/BCM43430A1.hcd
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cp "${basedir}"/../misc/zram "${basedir}"/kali-${architecture}/etc/init.d/zram
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chmod 755 "${basedir}"/kali-${architecture}/etc/init.d/zram
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# Set a REGDOMAIN. This needs to be done or wireless doesn't work correctly on the RPi 3B+
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sed -i -e 's/REGDOM.*/REGDOMAIN=00/g' "${basedir}"/kali-${architecture}/etc/default/crda
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cd "${basedir}"
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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
|
|
|
|
# Some maths here... it's not magic, we just want the block size a certain way
|
|
# so that partitions line up in a way that's more optimal.
|
|
RAW_SIZE_MB=${size}
|
|
BLOCK_SIZE=1024
|
|
let RAW_SIZE=(${RAW_SIZE_MB}*1000*1000)/${BLOCK_SIZE}
|
|
|
|
# Create the disk and partition it
|
|
echo "Creating image file ${imagename}.img"
|
|
dd if=/dev/zero of="${basedir}"/${imagename}.img bs=${BLOCK_SIZE} count=0 seek=${RAW_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 --verbose "${basedir}"/kali-${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
|
|
# sleep for 10 seconds, to let the cache settle after sync.
|
|
sleep 10
|
|
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
|
|
unxz -t ${basedir}/../${imagename}.img.xz || rm ${basedir}/../${imagename}.img.xz && pixz ${basedir}/${imagename}.img ${basedir}/../${imagename}.img.xz && unxz -t ${basedir}/../${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}"
|