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adlin/tuto2.yml

221 lines
7.9 KiB
YAML

kernel:
image: linuxkit/kernel:4.20.3
# cmdline: "console=ttyS0 console=tty0"
# cmdline: "console=tty0 console=ttyS0 root=/dev/sda1 root=/dev/sr0 adlin.net=easy"
cmdline: "console=tty0 console=ttyS0 root=/dev/sda1 root=/dev/sr0 adlin.format=/dev/sda quiet"
init:
- nemunaire/adlin-tuto2:35a9354900bb9a419e9e54758c069e8b97472ec5-dirty
files:
- path: etc/hostname
contents: |
adlin2
mode: "0644"
- path: etc/resolv.conf
contents: |
nameserver 9.9.9.9
nameserver 1.1.1.1
mode: "0644"
- path: etc/systemd/network/49-main.link
contents: |
[Match]
OriginalName=eth0
[Link]
Name=eth0
mode: "0644"
- path: etc/systemd/network/50-dhcp.network
contents: |
[Match]
Name=eth0
[Network]
DHCP=yes
IPv6AcceptRA=no
LinkLocalAddressing=no
mode: "0644"
- path: init
contents: |
#!/bin/sh
# /proc/cmdline parser (from Gentoo Wiki)
cmdline() {
local value
value=" $(cat /proc/cmdline) "
value="${value#* $1=}"
value="${value%% *}"
[ "$value" != "" ] && echo "$value"
}
# Hide us!
/bin/rm -f /init /linuxrc
mount -n -t devtmpfs devtmpfs /dev
mount -n -t proc proc /proc
#mount -n -t tmpfs run /run
#mount -m -t sysfs sys /sys
INITP=$(cmdline init)
[ -z "$INITP" ] && INITP=/lib/systemd/systemd
WGTOKEN=$(cmdline adlin.token)
ROOTFS=$(cmdline root)
echo "rootfs=$ROOTFS"
[ -z "$ROOTFS" ] && { echo "No root= provided, continuing on initramfs only."; exec "${INITP}"; }
[ "$ROOTFS" = "/dev/sr0" ] && { echo "No root= provided, continuing on initramfs only."; exec "${INITP}"; }
[ -b "$ROOTFS" ] || {
FORMATDD=$(cmdline adlin.format)
[ -b "$FORMATDD" ] && { echo "o\nn\np\n1\n\n\np\nw\nq\n" | fdisk "${FORMATDD}" && mkfs.ext4 "$FORMATDD"1; }
[ -b "$ROOTFS" ] || { echo "Invalid provided rootfs: not a valid block device."; exit 1; }
}
mkdir -p /overlay
/bin/mount -n -t tmpfs none /overlay
/bin/mkdir -p /overlay/rwdata
/bin/mkdir -p /overlay/robase
/bin/mkdir -p /overlay/combined
/bin/mount --bind / /overlay/robase
ovr_rwdata=/overlay/rwdata
ovr_robase=/overlay/robase
ovr_combined=/overlay/combined
# Prepare filesystem for local data storage...
/bin/mkdir -p ${ovr_rwdata}
/bin/mount -n "${ROOTFS}" ${ovr_rwdata} || { echo "Unable to mount rootfs."; exit 2; }
mkdir -p ${ovr_rwdata}/data
mkdir -p ${ovr_rwdata}/work
/bin/mount -n -t overlay -o upperdir=${ovr_rwdata}/data,workdir=${ovr_rwdata}/work,lowerdir=${ovr_robase} overlay ${ovr_combined} || { echo "Unable to create overlayfs."; exit 3; }
/bin/umount -n /proc
/bin/mkdir -p ${ovr_combined}/overlay/rwdata
/bin/mount -n --move ${ovr_rwdata} ${ovr_combined}/overlay/rwdata
/bin/mkdir -p ${ovr_combined}/overlay/robase
/bin/mount -n --move ${ovr_robase} ${ovr_combined}/overlay/robase
/bin/mkdir -p ${ovr_combined}/overlay/pivot
cd ${ovr_combined}
mount --move /dev dev
mount --move . /
/bin/umount -n /overlay
# Setting up wireguard tunnel
[ -z "${WGTOKEN}" ] && [ -f "etc/adlin.token" ] && WGTOKEN=$(cat etc/adlin.token)
[ -z "${WGTOKEN}" ] && {
echo -n "You didn't define your token to connect the network. Please copy it here now: "
read WGTOKEN
}
echo -n "${WGTOKEN}" > etc/adlin.token
/sbin/sysctl -w net.ipv6.conf.eth0.autoconf=0
/bin/ip link set up dev eth0
/bin/busybox udhcpc -n -q
[ -f "etc/wireguard/adlin.conf" ] && WGPRVKEY=$(sed 's/^.*PrivateKey *= *//p;d' etc/wireguard/adlin.conf)
[ -z "${WGPRVKEY}" ] && WGPRVKEY=$(/usr/bin/wg genkey)
WGPUBKEY=$(echo $WGPRVKEY | /usr/bin/wg pubkey)
while ! { echo "[Interface]\nPrivateKey = ${WGPRVKEY}"; /usr/sbin/chroot . /usr/bin/curl -f -d '{"pubkey": "'$WGPUBKEY'"}' https://adlin.nemunai.re/api/wg/$(echo -n "$WGTOKEN" | /usr/bin/sha512sum | /usr/bin/cut -d ' ' -f 1); } > etc/wireguard/adlin.conf
do
echo ""
echo "****************************************"
echo "******* SWITCHING TO RESCUE MODE *******"
echo "****************************************"
echo ""
echo "Sorry, I was unable to establish a connection to adlin.nemunai.re."
echo "Please verify that your primary network interface can obtain an IPv4 through DHCP."
echo ""
echo "Dropping to a shell, please fix your network, then press Ctrl+D or exit to retry."
echo ""
echo "****************************************"
echo ""
/bin/busybox cttyhack /usr/sbin/chroot . /bin/sh
echo "Retrying connection..."
done
/sbin/modprobe wireguard
/bin/ip link add dev wg0 type wireguard
/usr/bin/wg setconf wg0 etc/wireguard/adlin.conf
/bin/ip address add dev wg0 $(sed 's/^.*MyIPv6=//p;d' etc/wireguard/adlin.conf)
/bin/ip link set up dev wg0
/bin/ip -6 route del default
/bin/ip -6 route add default via $(sed 's/^.*GWIPv6=//p;d' etc/wireguard/adlin.conf) pref high
# To the user
exec /usr/sbin/chroot . "${INITP}"
mode: "0755"
# - path: etc/systemd/system/systemd-networkd.service.d/10-debug.conf
# contents: |
# [Service]
# Environment=SYSTEMD_LOG_LEVEL=debug
# mode: "0644"
- path: etc/passwd
contents: |
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin
bin:x:2:2:bin:/bin:/usr/sbin/nologin
sys:x:3:3:sys:/dev:/usr/sbin/nologin
sync:x:4:65534:sync:/bin:/bin/sync
games:x:5:60:games:/usr/games:/usr/sbin/nologin
man:x:6:12:man:/var/cache/man:/usr/sbin/nologin
lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin
mail:x:8:8:mail:/var/mail:/usr/sbin/nologin
news:x:9:9:news:/var/spool/news:/usr/sbin/nologin
uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin
proxy:x:13:13:proxy:/bin:/usr/sbin/nologin
www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin
backup:x:34:34:backup:/var/backups:/usr/sbin/nologin
list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin
irc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologin
gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin
nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin
_apt:x:100:65534::/nonexistent:/bin/false
messagebus:x:101:102::/var/run/dbus:/bin/false
sshd:x:102:65534::/run/sshd:/usr/sbin/nologin
systemd-timesync:x:103:105:systemd Time Synchronization,,,:/run/systemd:/bin/false
systemd-network:x:104:106:systemd Network Management,,,:/run/systemd/netif:/bin/false
systemd-resolve:x:105:107:systemd Resolver,,,:/run/systemd/resolve:/bin/false
systemd-bus-proxy:x:106:108:systemd Bus Proxy,,,:/run/systemd:/bin/false
mode: "0644"
- path: etc/shadow
contents: |
root:$6$B0qzwsEh$vfWGpIFUrKGrkT0PVtGhhomBwc.60IBIxjMLyG8mz.NJLFRryjqLK9sA/mzxNSaQViiHsYYrsgmcWVHblfdHg1:17968:0:99999:7:::
daemon:*:17575:0:99999:7:::
bin:*:17575:0:99999:7:::
sys:*:17575:0:99999:7:::
sync:*:17575:0:99999:7:::
games:*:17575:0:99999:7:::
man:*:17575:0:99999:7:::
lp:*:17575:0:99999:7:::
mail:*:17575:0:99999:7:::
news:*:17575:0:99999:7:::
uucp:*:17575:0:99999:7:::
proxy:*:17575:0:99999:7:::
www-data:*:17575:0:99999:7:::
backup:*:17575:0:99999:7:::
list:*:17575:0:99999:7:::
irc:*:17575:0:99999:7:::
gnats:*:17575:0:99999:7:::
nobody:*:17575:0:99999:7:::
_apt:*:17575:0:99999:7:::
messagebus:*:17594:0:99999:7:::
sshd:*:17594:0:99999:7:::
systemd-timesync:*:17594:0:99999:7:::
systemd-network:*:17594:0:99999:7:::
systemd-resolve:*:17594:0:99999:7:::
systemd-bus-proxy:*:17594:0:99999:7:::
mode: "0640"
trust:
org:
- linuxkit
- library