1 # Generator for Oktopus boot media
2 # Copyright (C) 2018 Hochschule für Technik und Wirtschaft Berlin
3 # written by Paul Hänsch <oktopus@plutz.net>
5 # This program is free software: you can redistribute it and/or modify
6 # it under the terms of the GNU Affero General Public License as published by
7 # the Free Software Foundation, either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU Affero General Public License for more details.
15 # You should have received a copy of the GNU Affero General Public License
16 # along with this program. If not, see <https://www.gnu.org/licenses/>.
20 BOOTSTRAP = http://raspbian.raspberrypi.org/raspbian
23 deb http://raspbian.raspberrypi.org/raspbian stretch main non-free firmware rpi\n\
24 deb http://archive.raspberrypi.org/debian stretch main\n
27 PACKAGES := apt bluez bluez-firmware bluez-tools btrfs-tools busybox-static bzip2 ca-certificates cron debian-archive-keyring deborphan firmware-brcm80211 firmware-linux-free firmware-misc-nonfree gzip htop ifupdown init iputils-ping irqbalance isc-dhcp-client less libraspberrypi-bin libraspberrypi0 make net-tools nmap ntpdate openssh-client openssh-server pi-bluetooth raspberrypi-bootloader raspberrypi-kernel rsync ssh sshfs sudo systemd traceroute unzip vim wget wireless-tools wpasupplicant xz-utils zip
29 # Do not change, only override in config.mk
33 config.mk: config.example
36 .PHONY: imgfile imgmount root_copy norecommends apt_keys
44 btrfs subvolume create "$@" || mkdir "$@"
47 cp -p "/usr/bin/qemu-arm-static" "$@/usr/bin/"
48 debootstrap --keyring=./raspbian-archive-keyring.gpg \
49 --arch=armhf --variant=minbase \
50 stretch "$@/" "${BOOTSTRAP}"
52 norecommends: raspi_root/etc/apt/apt.conf.d/10norecommends
53 raspi_root/etc/apt/apt.conf.d/10norecommends: raspi_root
54 mkdir -p "$</etc/apt/apt.conf.d/"
55 printf 'APT::Install-Recommends "false";\n' >"$@"
59 -chroot "$@" apt-key add - <./raspbian-archive-keyring.gpg
60 -chroot "$@" apt-key add - <./raspberrypi-archive-keyring.gpg
61 -chroot "$@" apt-key add - <./debian-archive-stretch-stable.gpg
63 raspi_root/: raspi_root norecommends apt_keys .FORCE
64 printf '${SOURCES}' >$@/etc/apt/sources.list
65 -cp /etc/resolv.conf "$@etc/"
66 -chroot "$@" sh -c 'apt-mark showmanual |xargs apt-mark auto'
67 -chroot "$@" apt-get update
68 chroot "$@" ln -sf /bin/true /usr/local/sbin/invoke-rc.d
69 chroot "$@" apt-get --yes install ${PACKAGES}
70 chroot "$@" apt-get --yes --auto-remove purge
71 chroot "$@" apt-get --yes --auto-remove upgrade
72 chroot "$@" apt-get clean
73 chroot "$@" rm /usr/local/sbin/invoke-rc.d
77 ssh-keygen -b 2048 -t rsa -N '' -f id_rsa
79 files/etc/network/interfaces.d/wifi: wifi.tmpl
80 sed 's;#WIFI-SSID#;${WIFI-SSID};; s;#WIFI-PASS#;${WIFI-PASS};;' <'$<' >'$@'
83 files/root/.ssh/authorized_keys: id_rsa.pub
84 mkdir -p files/root/.ssh/
86 chmod 700 files/root/ files/root/.ssh/
89 imgfile: raspi_root/ # do not set up image file before chroot
91 dd bs=1M count=0 seek=1280 of="${IMGFILE}" # set up sparse file
92 sfdisk "${IMGFILE}" <partitions
96 mkdir "$@" # fail receipe if dir is nonempty
97 lo=$$(losetup -f); image='${IMGFILE}'; \
98 start=$$(sfdisk --dump "$$image" |sed -rn 's;^.*start= *([0-9]+),.*type=83;\1;p'); \
99 size=$$(sfdisk --dump "$$image" |sed -rn 's;^.*size= *([0-9]+),.*type=83;\1;p'); \
100 losetup -o $$((start * 512)) --sizelimit $$((size * 512)) "$${lo}" "$$image" && \
101 mkfs.ext4 -F "$$lo" && mount -t ext4 "$$lo" "$@/";
103 lo=$$(losetup -f); image='${IMGFILE}'; \
104 start=$$(sfdisk --dump "$$image" |sed -rn 's;^.*start= *([0-9]+),.*type=c;\1;p'); \
105 size=$$(sfdisk --dump "$$image" |sed -rn 's;^.*size= *([0-9]+),.*type=c;\1;p'); \
106 losetup -o $$((start * 512)) --sizelimit $$((size * 512)) "$${lo}" "$$image" && \
107 mkfs.fat -F 32 -n boot "$$lo" && mount -t vfat "$$lo" "$@/boot";
109 root_copy: files/root/.ssh/authorized_keys files/etc/network/interfaces.d/wifi
110 root_copy: imgmount raspi_root/ files/
111 cp -a "raspi_root/." "files/." "$</"
113 ${IMGFILE}: imgmount root_copy
114 umount "$</boot/" "$</"
115 losetup -a |sed -En '/${IMGFILE}/{s;^([^:]+):.*$$;\1;p;q}' |xargs losetup -d
116 losetup -a |sed -En '/${IMGFILE}/{s;^([^:]+):.*$$;\1;p;q}' |xargs losetup -d