feat(iso): per-device secrets on first boot + checksum emission and signing
- archipelago-first-boot-secrets.service regenerates the self-signed TLS keypair (device hostname in SAN) and all SSH host keys on the installed system's first boot, before ssh/nginx start — the squashfs bakes one key set at build time, so every flashed device shared them (§F 🔴) - staging-first swaps: a failed regeneration keeps the baked keys rather than leaving the device keyless - the builder now emits <iso>.sha256 next to the ISO, and scripts/sign-iso-checksums.sh signs {artifact,sha256,size} as a JSON doc with the release-root ceremony (verify: ceremony verify) (§F 🟠) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Dorian
@@ -1492,6 +1492,83 @@ mkdir -p "$ARCH_DIR/scripts"
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cp "$WORK_DIR/load-container-images.sh" "$ARCH_DIR/scripts/"
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cp "$WORK_DIR/archipelago-load-images.service" "$ARCH_DIR/scripts/"
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# First-boot per-device secrets: the squashfs bakes one TLS key and one set
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# of SSH host keys at build time, so every device flashed from the same image
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# would share them. Regenerate both on the installed system's first boot,
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# before the network-facing services come up.
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echo " Creating first-boot secrets regeneration service..."
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cat > "$WORK_DIR/archipelago-first-boot-secrets.service" <<'SECRETSSERVICE'
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[Unit]
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Description=Regenerate per-device secrets (TLS key, SSH host keys)
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DefaultDependencies=no
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After=local-fs.target
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Before=ssh.service nginx.service archipelago.service
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ConditionPathExists=!/var/lib/archipelago/.secrets-regenerated
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[Service]
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Type=oneshot
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ExecStart=/opt/archipelago/scripts/first-boot-secrets.sh
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RemainAfterExit=yes
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[Install]
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WantedBy=multi-user.target
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SECRETSSERVICE
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cat > "$WORK_DIR/first-boot-secrets.sh" <<'SECRETSSCRIPT'
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#!/bin/bash
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# Replace image-baked secrets with device-unique ones on first boot.
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# Never leaves the device without working keys: new material is generated
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# to a staging path first and only swapped in on success.
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set -u
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LOG=/var/log/archipelago-first-boot-secrets.log
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MARKER=/var/lib/archipelago/.secrets-regenerated
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[ -f "$MARKER" ] && exit 0
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mkdir -p /var/lib/archipelago
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NODE_NAME=$(hostname 2>/dev/null || echo archipelago)
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echo "$(date): regenerating per-device secrets" >> "$LOG"
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# 1. Self-signed TLS: fresh keypair with this device's hostname in the SAN
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# (server.set-name regenerates again if the node is renamed later)
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mkdir -p /etc/archipelago/ssl
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if openssl req -x509 -nodes -days 3650 -newkey rsa:2048 \
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-keyout /etc/archipelago/ssl/archipelago.key.new \
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-out /etc/archipelago/ssl/archipelago.crt.new \
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-subj "/C=XX/ST=Bitcoin/L=Node/O=Archipelago/CN=${NODE_NAME}" \
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-addext "subjectAltName=DNS:${NODE_NAME},DNS:${NODE_NAME}.local,DNS:archipelago,DNS:archipelago.local,DNS:localhost,IP:127.0.0.1" \
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>> "$LOG" 2>&1; then
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mv /etc/archipelago/ssl/archipelago.key.new /etc/archipelago/ssl/archipelago.key
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mv /etc/archipelago/ssl/archipelago.crt.new /etc/archipelago/ssl/archipelago.crt
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chmod 600 /etc/archipelago/ssl/archipelago.key
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echo "$(date): TLS keypair regenerated (CN=${NODE_NAME})" >> "$LOG"
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systemctl try-reload-or-restart nginx >> "$LOG" 2>&1 || true
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else
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rm -f /etc/archipelago/ssl/archipelago.key.new /etc/archipelago/ssl/archipelago.crt.new
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echo "$(date): WARNING: TLS regeneration failed, keeping baked key" >> "$LOG"
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fi
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# 2. SSH host keys: generate a full fresh set in staging, then swap
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STAGING=$(mktemp -d)
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mkdir -p "$STAGING/etc/ssh"
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if ssh-keygen -A -f "$STAGING" >> "$LOG" 2>&1 && ls "$STAGING"/etc/ssh/ssh_host_*_key >/dev/null 2>&1; then
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rm -f /etc/ssh/ssh_host_*
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mv "$STAGING"/etc/ssh/ssh_host_* /etc/ssh/
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echo "$(date): SSH host keys regenerated" >> "$LOG"
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systemctl try-reload-or-restart ssh >> "$LOG" 2>&1 || true
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else
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echo "$(date): WARNING: ssh-keygen -A failed, keeping baked host keys" >> "$LOG"
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fi
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rm -rf "$STAGING"
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touch "$MARKER"
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echo "$(date): per-device secrets done" >> "$LOG"
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SECRETSSCRIPT
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chmod +x "$WORK_DIR/first-boot-secrets.sh"
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cp "$WORK_DIR/first-boot-secrets.sh" "$ARCH_DIR/scripts/"
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cp "$WORK_DIR/archipelago-first-boot-secrets.service" "$ARCH_DIR/scripts/"
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# Tor setup: copy torrc and create first-boot setup script
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mkdir -p "$ARCH_DIR/scripts/tor"
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if [ -f "$SCRIPT_DIR/../../scripts/tor/torrc.template" ]; then
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@@ -2401,6 +2478,13 @@ if [ -d "$BOOT_MEDIA/archipelago/container-images" ]; then
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if [ -f "$BOOT_MEDIA/archipelago/scripts/archipelago-load-images.service" ]; then
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cp "$BOOT_MEDIA/archipelago/scripts/archipelago-load-images.service" /mnt/target/etc/systemd/system/
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fi
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if [ -f "$BOOT_MEDIA/archipelago/scripts/first-boot-secrets.sh" ]; then
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cp "$BOOT_MEDIA/archipelago/scripts/first-boot-secrets.sh" /mnt/target/opt/archipelago/scripts/
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chmod +x /mnt/target/opt/archipelago/scripts/first-boot-secrets.sh
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fi
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if [ -f "$BOOT_MEDIA/archipelago/scripts/archipelago-first-boot-secrets.service" ]; then
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cp "$BOOT_MEDIA/archipelago/scripts/archipelago-first-boot-secrets.service" /mnt/target/etc/systemd/system/
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fi
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if [ -f "$BOOT_MEDIA/archipelago/scripts/setup-tor.sh" ]; then
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cp "$BOOT_MEDIA/archipelago/scripts/setup-tor.sh" /mnt/target/opt/archipelago/scripts/
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chmod +x /mnt/target/opt/archipelago/scripts/setup-tor.sh
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@@ -2942,8 +3026,8 @@ echo "" >> "$LOG"
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echo "=== Services ===" >> "$LOG"
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for svc in nginx archipelago archipelago-kiosk archipelago-load-images \
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archipelago-first-boot-containers archipelago-setup-tor \
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console-setup; do
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archipelago-first-boot-containers archipelago-first-boot-secrets \
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archipelago-setup-tor console-setup; do
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STATUS=$(systemctl is-active "$svc" 2>/dev/null || echo "inactive")
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ENABLED=$(systemctl is-enabled "$svc" 2>/dev/null || echo "disabled")
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printf " %-40s %s / %s\n" "$svc" "$STATUS" "$ENABLED" >> "$LOG"
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@@ -3073,6 +3157,7 @@ chroot /mnt/target systemctl enable archipelago-bootstrap-switchover.timer 2>/de
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chroot /mnt/target systemctl enable archipelago.service 2>/dev/null || true
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chroot /mnt/target systemctl enable nginx.service 2>/dev/null || true
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chroot /mnt/target systemctl enable archipelago-load-images.service 2>/dev/null || true
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chroot /mnt/target systemctl enable archipelago-first-boot-secrets.service 2>/dev/null || true
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chroot /mnt/target systemctl enable archipelago-setup-tor.service 2>/dev/null || true
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chroot /mnt/target systemctl enable archipelago-first-boot-containers.service 2>/dev/null || true
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chroot /mnt/target systemctl enable archipelago-kiosk.service 2>/dev/null || true
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@@ -3534,6 +3619,16 @@ else
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"$INSTALLER_ISO"
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fi
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# Checksums: emit next to the ISO so releases can be verified and the
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# release ceremony can sign them (publish step signs; the build host
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# never holds the release key)
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(
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cd "$(dirname "$OUTPUT_ISO")" || exit 0
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ISO_NAME=$(basename "$OUTPUT_ISO")
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sha256sum "$ISO_NAME" > "$ISO_NAME.sha256"
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echo " Checksum: $(cat "$ISO_NAME.sha256")"
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)
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echo ""
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if [ "$UNBUNDLED" = "1" ]; then
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echo "UNBUNDLED AUTO-INSTALLER ISO CREATED"
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