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feat(kiosk): harden field image defaults

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Mitchell R 2026-05-20 05:18:18 +02:00
parent 87cde93316
commit 08568e52fa
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4 changed files with 25 additions and 1 deletions
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4
.github/workflows/build.yml vendored
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@ -174,6 +174,8 @@ jobs:
deploy/pi-gen/stage-betterframe-client/01-install-kiosk/files/
cp deploy/tmpfiles/betterframe-kiosk.conf \
deploy/pi-gen/stage-betterframe-client/01-install-kiosk/files/
cp deploy/udev/90-betterframe-no-hid.rules \
deploy/pi-gen/stage-betterframe-client/01-install-kiosk/files/
cp deploy/pam.d/cage \
deploy/pi-gen/stage-betterframe-client/01-install-kiosk/files/cage.pam
cp deploy/plymouth/betterframe/betterframe.plymouth \
@ -191,7 +193,7 @@ jobs:
image-name: betterframe-client-${{ inputs.version }}
stage-list: stage0 stage1 stage2 ./deploy/pi-gen/stage-betterframe-client
# pi-gen default release is trixie (Debian 13).
enable-ssh: 1
enable-ssh: 0
username: bfadmin
password: betterframe
locale: en_US.UTF-8

7
deploy/pi-gen/stage-betterframe-client/01-install-kiosk/01-run-chroot.sh
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@ -28,6 +28,8 @@ install -m 755 /tmp/bf-files/betterframe-rauc-mark-good.sh \
/usr/local/sbin/betterframe-rauc-mark-good.sh
install -d -m 755 /etc/tmpfiles.d
install -m 644 /tmp/bf-files/betterframe-kiosk.conf /etc/tmpfiles.d/betterframe-kiosk.conf
install -d -m 755 /etc/udev/rules.d
install -m 644 /tmp/bf-files/90-betterframe-no-hid.rules /etc/udev/rules.d/90-betterframe-no-hid.rules
# Default env file — operator may edit on first boot to point at their server.
cat > /etc/default/betterframe-kiosk <<'EOF'
@ -56,6 +58,11 @@ for dm in lightdm gdm gdm3 sddm; do
systemctl mask "${dm}.service" 2>/dev/null || true
done
systemctl disable getty@tty1.service 2>/dev/null || true
systemctl mask getty@tty1.service ctrl-alt-del.target 2>/dev/null || true
systemctl disable ssh.service ssh.socket 2>/dev/null || true
systemctl mask ssh.service ssh.socket 2>/dev/null || true
systemctl disable bluetooth.service hciuart.service 2>/dev/null || true
systemctl mask bluetooth.service hciuart.service 2>/dev/null || true
# piwiz first-run wizard + userconf-pi → out.
apt-get -y purge piwiz userconf-pi 2>/dev/null || true

8
deploy/scripts/setup-pi-kiosk.sh
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@ -216,6 +216,11 @@ if [ "${INSTALL_KIOSK}" = "1" ]; then
done
systemctl set-default multi-user.target
systemctl disable --now getty@tty1.service 2>/dev/null || true
systemctl mask getty@tty1.service ctrl-alt-del.target 2>/dev/null || true
systemctl disable --now ssh.service ssh.socket 2>/dev/null || true
systemctl mask ssh.service ssh.socket 2>/dev/null || true
systemctl disable --now bluetooth.service hciuart.service 2>/dev/null || true
systemctl mask bluetooth.service hciuart.service 2>/dev/null || true
# piwiz = "Welcome to Raspberry Pi" first-run wizard. userconf-pi runs at
# first boot if no user is configured. Purge both so they can't fire.
@ -242,6 +247,9 @@ if [ "${INSTALL_KIOSK}" = "1" ]; then
install -d -m 755 /etc/tmpfiles.d
install -m 644 "${REPO_ROOT}/deploy/tmpfiles/betterframe-kiosk.conf" \
/etc/tmpfiles.d/betterframe-kiosk.conf
install -d -m 755 /etc/udev/rules.d
install -m 644 "${REPO_ROOT}/deploy/udev/90-betterframe-no-hid.rules" \
/etc/udev/rules.d/90-betterframe-no-hid.rules
if [ ! -e /etc/default/betterframe-kiosk ]; then
cat > /etc/default/betterframe-kiosk <<'EOF'

7
deploy/udev/90-betterframe-no-hid.rules Normal file
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@ -0,0 +1,7 @@
# BetterFrame field kiosks are appliances, not interactive desktops.
# Block userspace access to keyboard/mouse event devices by default. Future
# controlled input should arrive as authenticated high-level kiosk commands,
# not raw HID events.
KERNEL=="event*", ENV{ID_INPUT_KEYBOARD}=="1", MODE="0000", GROUP="root"
KERNEL=="event*", ENV{ID_INPUT_MOUSE}=="1", MODE="0000", GROUP="root"
KERNEL=="event*", ENV{ID_INPUT_TOUCHPAD}=="1", MODE="0000", GROUP="root"