mirror of
https://github.com/freedomofpress/dangerzone.git
synced 2025-04-30 10:42:37 +02:00
101 lines
1.8 KiB
Bash
101 lines
1.8 KiB
Bash
#!/bin/sh -e
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HOSTNAME="$1"
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if [ -z "$HOSTNAME" ]; then
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echo "usage: $0 hostname"
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exit 1
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fi
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cleanup() {
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rm -rf "$tmp"
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}
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makefile() {
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OWNER="$1"
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PERMS="$2"
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FILENAME="$3"
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cat > "$FILENAME"
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chown "$OWNER" "$FILENAME"
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chmod "$PERMS" "$FILENAME"
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}
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rc_add() {
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mkdir -p "$tmp"/etc/runlevels/"$2"
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ln -sf /etc/init.d/"$1" "$tmp"/etc/runlevels/"$2"/"$1"
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}
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tmp="$(mktemp -d)"
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trap cleanup EXIT
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mkdir -p "$tmp"/etc/apk
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makefile root:root 0644 "$tmp"/etc/apk/world <<EOF
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alpine-base
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openssh
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podman
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EOF
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# Custom sshd config
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mkdir -p "$tmp"/etc/ssh
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makefile root:root 0644 "$tmp"/etc/ssh/sshd_config <<EOF
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AuthorizedKeysFile .ssh/authorized_keys
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AllowTcpForwarding no
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GatewayPorts no
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X11Forwarding no
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Subsystem sftp /usr/lib/ssh/sftp-server
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UseDNS no
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PasswordAuthentication no
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EOF
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# Dangerzone alpine setup
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mkdir -p "$tmp"/root
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makefile root:root 0644 "$tmp"/root/answers.txt <<EOF
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KEYMAPOPTS="us us"
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HOSTNAMEOPTS="-n dangerzone"
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INTERFACESOPTS="auto lo
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iface lo inet loopback
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auto eth0
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iface eth0 inet dhcp
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hostname dangerzone
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"
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DNSOPTS="-d example.com 4.4.4.4"
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TIMEZONEOPTS="-z UTC"
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SSHDOPTS="-c openssh"
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EOF
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mkdir -p "$tmp"/etc/init.d
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makefile root:root 0644 "$tmp"/etc/init.d/dangerzone <<EOF
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#!/sbin/openrc-run
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name="Dangerzone init script"
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start_pre() {
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/sbin/setup-alpine -f /root/answers.txt -e -q
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}
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EOF
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# Start cgroups, required by podman
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rc_add cgroups boot
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# Start sshd
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rc_add sshd boot
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# Run setup-alpine
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rc_add dangerzone boot
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rc_add devfs sysinit
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rc_add dmesg sysinit
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rc_add mdev sysinit
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rc_add hwdrivers sysinit
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rc_add modloop sysinit
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rc_add hwclock boot
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rc_add modules boot
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rc_add sysctl boot
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rc_add hostname boot
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rc_add bootmisc boot
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rc_add syslog boot
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rc_add mount-ro shutdown
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rc_add killprocs shutdown
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rc_add savecache shutdown
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tar -c -C "$tmp" etc | gzip -9n > $HOSTNAME.apkovl.tar.gz
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