ea2948e5d2
🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
541 lines
19 KiB
Bash
Executable File
541 lines
19 KiB
Bash
Executable File
#!/bin/bash
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#
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# Sanitize Raspberry Pi for SD Card Image Distribution
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# Run this BEFORE creating an image with dd
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#
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# This script removes:
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# - WiFi credentials (unless --soft)
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# - SSH host keys (will regenerate on boot)
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# - SSH authorized keys
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# - User-specific data
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# - Bash history
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# - Logs
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# - Stegasoo auth database (users will create their own admin)
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#
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# Usage:
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# sudo ./sanitize-for-image.sh # Full sanitize for image distribution
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# sudo ./sanitize-for-image.sh --soft # Soft reset (keeps WiFi for testing)
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# sudo ./sanitize-for-image.sh --soft --reboot # Soft reset and auto-reboot
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# sudo ./sanitize-for-image.sh --reboot # Full sanitize and auto-shutdown
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#
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set -e
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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CYAN='\033[0;36m'
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GRAY='\033[0;90m'
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BOLD='\033[1m'
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NC='\033[0m'
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# Show help
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show_help() {
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echo "Stegasoo Sanitize Script - Prepare Pi for SD Card Imaging"
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echo ""
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echo "Usage: sudo $0 [options]"
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echo ""
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echo "Options:"
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echo " -h, --help Show this help message"
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echo " -s, --soft Soft reset (keeps WiFi for testing)"
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echo " -r, --reboot Auto-reboot/shutdown when done"
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echo ""
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echo "Examples:"
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echo " sudo $0 # Full sanitize, prompts for shutdown"
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echo " sudo $0 --soft # Keep WiFi, reset everything else"
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echo " sudo $0 --soft --reboot # Soft reset, auto-reboot"
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echo " sudo $0 --reboot # Full sanitize, auto-shutdown"
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echo ""
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echo "Config override:"
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echo " Set STEGASOO_DIR to specify a custom install location:"
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echo " export STEGASOO_DIR=\"/home/pi/stegasoo\""
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echo " sudo -E $0"
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echo ""
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exit 0
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}
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SOFT_RESET=false
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AUTO_REBOOT=false
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for arg in "$@"; do
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case $arg in
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-h|--help) show_help ;;
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--soft|-s) SOFT_RESET=true ;;
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--reboot|-r) AUTO_REBOOT=true ;;
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esac
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done
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if [ "$EUID" -ne 0 ]; then
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echo -e "${RED}Error: Must run as root (sudo)${NC}"
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exit 1
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fi
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clear
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echo ""
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echo -e "${GRAY} . * . . * . * . * . * .${NC}"
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echo -e "${CYAN} ___ _____ ___ ___ _ ___ ___ ___${NC}"
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echo -e "${CYAN} / __||_ _|| __| / __| /_\\\\ / __| / _ \\\\ / _ \\\\${NC}"
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echo -e "${CYAN} \\\\__ \\\\ | | | _| | (_ | / _ \\\\ \\\\__ \\\\ | (_) || (_) |${NC}"
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echo -e "${CYAN} |___/ |_| |___| \\___|/_/ \\_\\\\|___/ \\\\___/ \\\\___/${NC}"
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echo ""
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echo -e "${GRAY} * . * . * . * . * . *${NC}"
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echo ""
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if [ "$SOFT_RESET" = true ]; then
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echo -e "${CYAN} Soft Reset (Factory)${NC}"
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else
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echo -e "${CYAN} Sanitize for Imaging${NC}"
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fi
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echo ""
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if [ "$SOFT_RESET" = true ]; then
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echo " WiFi credentials will be KEPT for continued testing."
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echo " Everything else will be reset to first-boot state."
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else
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echo " This will remove ALL personal data for imaging."
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echo " The system will shut down when complete."
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fi
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echo ""
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if [ "$AUTO_REBOOT" = false ]; then
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# Flush input buffer before prompt
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read -t 0.1 -n 10000 discard </dev/tty 2>/dev/null || true
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read -p "Continue? This cannot be undone! [y/N] " -n 1 -r </dev/tty
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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echo "Aborted."
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exit 1
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fi
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fi
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# Track validation results
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VALIDATION_ERRORS=0
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# =============================================================================
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# Step 1: WiFi Credentials
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# =============================================================================
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if [ "$SOFT_RESET" = true ]; then
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echo -e "${GREEN}[1/10]${NC} Keeping WiFi credentials (soft reset)..."
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echo " WiFi config preserved"
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else
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echo -e "${GREEN}[1/10]${NC} Removing WiFi credentials..."
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# Remove from rootfs
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if [ -f /etc/wpa_supplicant/wpa_supplicant.conf ]; then
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cat > /etc/wpa_supplicant/wpa_supplicant.conf << 'EOF'
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ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
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update_config=1
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country=US
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# Add your WiFi network here on first boot:
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# network={
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# ssid="YourNetworkName"
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# psk="YourPassword"
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# }
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EOF
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echo " Cleared /etc/wpa_supplicant/wpa_supplicant.conf"
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fi
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# Remove from boot partition (headless setup file)
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BOOT_PART=$(findmnt -n -o SOURCE /boot/firmware 2>/dev/null || findmnt -n -o SOURCE /boot 2>/dev/null || echo "")
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if [ -n "$BOOT_PART" ]; then
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BOOT_MOUNT=$(findmnt -n -o TARGET "$BOOT_PART" 2>/dev/null || echo "/boot")
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rm -f "$BOOT_MOUNT/wpa_supplicant.conf" 2>/dev/null || true
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echo " Removed boot partition WiFi config"
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fi
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# Remove NetworkManager connections (RPi OS Bookworm+)
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if [ -d /etc/NetworkManager/system-connections ]; then
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# Remove all WiFi connections (files containing type=wifi)
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for conn in /etc/NetworkManager/system-connections/*; do
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if [ -f "$conn" ] && grep -q "type=wifi" "$conn" 2>/dev/null; then
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rm -f "$conn"
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echo " Removed NetworkManager: $(basename "$conn")"
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fi
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done
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fi
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# Remove netplan WiFi configs (Ubuntu-based systems)
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if [ -d /etc/netplan ]; then
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for np in /etc/netplan/*.yaml; do
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if [ -f "$np" ] && grep -q "wifis:" "$np" 2>/dev/null; then
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rm -f "$np"
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echo " Removed netplan: $(basename "$np")"
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fi
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done
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# Also remove NM-generated netplan files (contain WiFi SSIDs)
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rm -f /etc/netplan/90-NM-*.yaml 2>/dev/null && echo " Removed netplan NM configs"
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fi
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fi
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# =============================================================================
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# Step 2: SSH Authorized Keys
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# =============================================================================
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echo -e "${GREEN}[2/10]${NC} Removing SSH authorized keys..."
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for user_home in /home/*; do
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if [ -d "$user_home/.ssh" ]; then
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rm -f "$user_home/.ssh/authorized_keys"
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rm -f "$user_home/.ssh/known_hosts"
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echo " Cleared $user_home/.ssh/"
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fi
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done
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rm -f /root/.ssh/authorized_keys /root/.ssh/known_hosts 2>/dev/null || true
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# =============================================================================
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# Step 3: SSH Host Keys
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# =============================================================================
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echo -e "${GREEN}[3/10]${NC} Removing SSH host keys (will regenerate on first boot)..."
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rm -f /etc/ssh/ssh_host_*
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# Create a first-boot service to regenerate SSH keys
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cat > /etc/systemd/system/regenerate-ssh-keys.service <<'SSHEOF'
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[Unit]
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Description=Regenerate SSH host keys on first boot
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Before=ssh.service
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ConditionPathExists=!/etc/ssh/ssh_host_ed25519_key
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[Service]
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Type=oneshot
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ExecStart=/usr/bin/ssh-keygen -A
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[Install]
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WantedBy=multi-user.target
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SSHEOF
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systemctl enable regenerate-ssh-keys.service 2>/dev/null || true
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echo " SSH host keys removed (will regenerate on first boot)"
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# =============================================================================
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# Step 4: Bash History
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# =============================================================================
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echo -e "${GREEN}[4/10]${NC} Clearing bash history..."
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for user_home in /home/*; do
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rm -f "$user_home/.bash_history"
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rm -f "$user_home/.python_history"
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done
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rm -f /root/.bash_history /root/.python_history 2>/dev/null || true
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history -c 2>/dev/null || true
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# =============================================================================
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# Step 5: Stegasoo User Data
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# =============================================================================
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echo -e "${GREEN}[5/10]${NC} Removing Stegasoo user data..."
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# Remove auth database (users create their own admin on first run)
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rm -rf /opt/stegasoo/frontends/web/instance/ 2>/dev/null
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rm -rf /home/*/stegasoo/frontends/web/instance/
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# Remove SSL certs (will be regenerated)
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rm -rf /opt/stegasoo/frontends/web/certs/ 2>/dev/null
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rm -rf /home/*/stegasoo/frontends/web/certs/
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# Remove any .env files with channel keys
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rm -f /opt/stegasoo/frontends/web/.env 2>/dev/null
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rm -f /home/*/stegasoo/frontends/web/.env
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echo " Stegasoo instance data cleared"
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# =============================================================================
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# Step 6: First-Boot Wizard Setup
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# =============================================================================
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echo -e "${GREEN}[6/10]${NC} Setting up first-boot wizard..."
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# Find stegasoo install directory (prefer /opt/stegasoo)
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STEGASOO_DIR=""
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if [ -d /opt/stegasoo ]; then
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STEGASOO_DIR="/opt/stegasoo"
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else
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STEGASOO_DIR=$(ls -d /home/*/stegasoo 2>/dev/null | head -1)
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fi
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if [ -z "$STEGASOO_DIR" ]; then
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# Last resort fallback
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if [ -d /root/stegasoo ]; then
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STEGASOO_DIR="/root/stegasoo"
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fi
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fi
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STEGASOO_USER=$(stat -c '%U' "$STEGASOO_DIR" 2>/dev/null || echo "pi")
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echo " Stegasoo directory: $STEGASOO_DIR"
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echo " Stegasoo user: $STEGASOO_USER"
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# Check and repair venv if needed (paths break when moving directories)
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if [ -n "$STEGASOO_DIR" ] && [ -d "$STEGASOO_DIR/venv" ]; then
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VENV_PYTHON="$STEGASOO_DIR/venv/bin/python"
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# Check if venv python works and has stegasoo installed
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if ! "$VENV_PYTHON" -c "import stegasoo" 2>/dev/null; then
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echo " Venv broken or stegasoo not installed, rebuilding..."
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rm -rf "$STEGASOO_DIR/venv"
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# Find Python 3.12 (prefer pyenv, fall back to system)
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USER_HOME=$(eval echo "~$STEGASOO_USER")
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PYENV_PYTHON="$USER_HOME/.pyenv/versions/3.12*/bin/python"
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if compgen -G "$PYENV_PYTHON" > /dev/null 2>&1; then
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PYTHON_BIN=$(ls $PYENV_PYTHON 2>/dev/null | head -1)
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echo " Using pyenv Python: $PYTHON_BIN"
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elif command -v python3.12 &>/dev/null; then
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PYTHON_BIN="python3.12"
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echo " Using system Python 3.12"
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else
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PYTHON_BIN="python3"
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echo " Warning: Python 3.12 not found, using $($PYTHON_BIN --version)"
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fi
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sudo -u "$STEGASOO_USER" "$PYTHON_BIN" -m venv "$STEGASOO_DIR/venv"
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sudo -u "$STEGASOO_USER" "$STEGASOO_DIR/venv/bin/pip" install --quiet --upgrade pip setuptools wheel
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# On ARM64, jpegio needs patching before install
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ARCH=$(uname -m)
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if [[ "$ARCH" == "aarch64" || "$ARCH" == "arm64" ]]; then
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echo " Building jpegio for ARM64 (this may take a minute)..."
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# Install build deps
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sudo -u "$STEGASOO_USER" "$STEGASOO_DIR/venv/bin/pip" install --quiet cython numpy
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JPEGIO_DIR="/tmp/jpegio-build-$$"
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rm -rf "$JPEGIO_DIR"
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if git clone https://github.com/dwgoon/jpegio.git "$JPEGIO_DIR" 2>/dev/null; then
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# Apply patch to remove -m64 flag
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if [ -f "$STEGASOO_DIR/rpi/patches/jpegio/apply-patch.sh" ]; then
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bash "$STEGASOO_DIR/rpi/patches/jpegio/apply-patch.sh" "$JPEGIO_DIR"
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else
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sed -i "s/cargs.append('-m64')/pass # ARM64 fix/g" "$JPEGIO_DIR/setup.py"
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fi
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# Change ownership so user can build
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chown -R "$STEGASOO_USER:$STEGASOO_USER" "$JPEGIO_DIR"
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sudo -u "$STEGASOO_USER" "$STEGASOO_DIR/venv/bin/pip" install "$JPEGIO_DIR"
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rm -rf "$JPEGIO_DIR"
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else
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echo " Warning: Failed to clone jpegio, DCT mode may not work"
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fi
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fi
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sudo -u "$STEGASOO_USER" "$STEGASOO_DIR/venv/bin/pip" install --quiet -e "$STEGASOO_DIR[web]"
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echo " Venv rebuilt and stegasoo installed"
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else
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echo " Venv OK"
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fi
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fi
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if [ -n "$STEGASOO_DIR" ] && [ -f "$STEGASOO_DIR/rpi/stegasoo-wizard.sh" ]; then
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# Install the profile.d hook
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cp "$STEGASOO_DIR/rpi/stegasoo-wizard.sh" /etc/profile.d/stegasoo-wizard.sh
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chmod 644 /etc/profile.d/stegasoo-wizard.sh
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echo " Installed wizard hook to /etc/profile.d/"
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# Create the first-boot flag
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touch /etc/stegasoo-first-boot
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echo " Created /etc/stegasoo-first-boot flag"
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# Reset systemd service to defaults (wizard will reconfigure)
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cat > /etc/systemd/system/stegasoo.service <<EOF
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[Unit]
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Description=Stegasoo Web UI
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After=network.target
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[Service]
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Type=simple
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User=$STEGASOO_USER
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WorkingDirectory=$STEGASOO_DIR/frontends/web
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Environment="PATH=$STEGASOO_DIR/venv/bin:/usr/bin"
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Environment="STEGASOO_AUTH_ENABLED=true"
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Environment="STEGASOO_HTTPS_ENABLED=false"
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Environment="STEGASOO_PORT=5000"
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Environment="STEGASOO_CHANNEL_KEY="
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ExecStart=$STEGASOO_DIR/venv/bin/python app.py
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Restart=on-failure
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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EOF
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systemctl daemon-reload
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echo " Reset systemd service to defaults"
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else
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echo -e " ${RED}ERROR: Could not find wizard script${NC}"
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echo " STEGASOO_DIR: $STEGASOO_DIR"
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VALIDATION_ERRORS=$((VALIDATION_ERRORS + 1))
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fi
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# =============================================================================
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# Step 7: Logs
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# =============================================================================
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echo -e "${GREEN}[7/10]${NC} Clearing logs..."
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journalctl --rotate 2>/dev/null || true
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journalctl --vacuum-time=1s 2>/dev/null || true
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rm -rf /var/log/*.log /var/log/*.gz /var/log/*.[0-9] 2>/dev/null || true
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rm -rf /var/log/apt/* 2>/dev/null || true
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rm -rf /var/log/journal/* 2>/dev/null || true
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find /var/log -type f -name "*.log" -delete 2>/dev/null || true
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echo " Logs cleared"
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# =============================================================================
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# Step 8: Temporary Files
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# =============================================================================
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echo -e "${GREEN}[8/10]${NC} Clearing temporary files..."
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rm -rf /tmp/* 2>/dev/null || true
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rm -rf /var/tmp/* 2>/dev/null || true
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echo " Temp files cleared"
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# =============================================================================
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# Step 9: Package Cache
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# =============================================================================
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echo -e "${GREEN}[9/10]${NC} Clearing package cache..."
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apt-get clean 2>/dev/null || true
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rm -rf /var/cache/apt/archives/* 2>/dev/null || true
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echo " Package cache cleared"
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# =============================================================================
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# Step 10: Final Sync
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# =============================================================================
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echo -e "${GREEN}[10/10]${NC} Final sync..."
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rm -f /root/.bash_history 2>/dev/null || true
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sync
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echo " Filesystem synced"
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# =============================================================================
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# Validation
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# =============================================================================
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echo ""
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echo -e "${CYAN}Validating sanitization...${NC}"
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# Check first-boot flag
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if [ -f /etc/stegasoo-first-boot ]; then
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echo -e " ${GREEN}[PASS]${NC} First-boot flag exists"
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else
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echo -e " ${RED}[FAIL]${NC} First-boot flag missing"
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VALIDATION_ERRORS=$((VALIDATION_ERRORS + 1))
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fi
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# Check profile.d hook
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if [ -f /etc/profile.d/stegasoo-wizard.sh ]; then
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echo -e " ${GREEN}[PASS]${NC} Wizard hook installed"
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else
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echo -e " ${RED}[FAIL]${NC} Wizard hook missing"
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VALIDATION_ERRORS=$((VALIDATION_ERRORS + 1))
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fi
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# Check SSH host keys removed
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if ls /etc/ssh/ssh_host_* 1>/dev/null 2>&1; then
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echo -e " ${RED}[FAIL]${NC} SSH host keys still present"
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VALIDATION_ERRORS=$((VALIDATION_ERRORS + 1))
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else
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echo -e " ${GREEN}[PASS]${NC} SSH host keys removed"
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fi
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# Check Stegasoo instance data removed
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DB_FOUND=false
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if ls /opt/stegasoo/frontends/web/instance/*.db 1>/dev/null 2>&1; then
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DB_FOUND=true
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fi
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if ls /home/*/stegasoo/frontends/web/instance/*.db 1>/dev/null 2>&1; then
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DB_FOUND=true
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fi
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if [ "$DB_FOUND" = true ]; then
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echo -e " ${RED}[FAIL]${NC} Stegasoo database still present"
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VALIDATION_ERRORS=$((VALIDATION_ERRORS + 1))
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else
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echo -e " ${GREEN}[PASS]${NC} Stegasoo database removed"
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fi
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# Check WiFi (only for full sanitize)
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if [ "$SOFT_RESET" = false ]; then
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WIFI_FOUND=false
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# Check wpa_supplicant
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if grep -q "psk=" /etc/wpa_supplicant/wpa_supplicant.conf 2>/dev/null; then
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WIFI_FOUND=true
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fi
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|
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# Check NetworkManager
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for conn in /etc/NetworkManager/system-connections/*; do
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if [ -f "$conn" ] && grep -q "type=wifi" "$conn" 2>/dev/null; then
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WIFI_FOUND=true
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break
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fi
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done
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|
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# Check netplan
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for np in /etc/netplan/*.yaml; do
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if [ -f "$np" ] && grep -q "wifis:" "$np" 2>/dev/null; then
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WIFI_FOUND=true
|
|
break
|
|
fi
|
|
done
|
|
# Check NM-generated netplan
|
|
if ls /etc/netplan/90-NM-*.yaml 1>/dev/null 2>&1; then
|
|
WIFI_FOUND=true
|
|
fi
|
|
|
|
if [ "$WIFI_FOUND" = true ]; then
|
|
echo -e " ${RED}[FAIL]${NC} WiFi credentials still present"
|
|
VALIDATION_ERRORS=$((VALIDATION_ERRORS + 1))
|
|
else
|
|
echo -e " ${GREEN}[PASS]${NC} WiFi credentials cleared"
|
|
fi
|
|
else
|
|
echo -e " ${YELLOW}[SKIP]${NC} WiFi check (soft reset mode)"
|
|
fi
|
|
|
|
# Check authorized_keys removed
|
|
AUTH_KEYS_FOUND=false
|
|
for user_home in /home/*; do
|
|
if [ -f "$user_home/.ssh/authorized_keys" ]; then
|
|
AUTH_KEYS_FOUND=true
|
|
break
|
|
fi
|
|
done
|
|
if [ "$AUTH_KEYS_FOUND" = true ]; then
|
|
echo -e " ${RED}[FAIL]${NC} SSH authorized_keys still present"
|
|
VALIDATION_ERRORS=$((VALIDATION_ERRORS + 1))
|
|
else
|
|
echo -e " ${GREEN}[PASS]${NC} SSH authorized_keys removed"
|
|
fi
|
|
|
|
# =============================================================================
|
|
# Summary
|
|
# =============================================================================
|
|
echo ""
|
|
if [ $VALIDATION_ERRORS -eq 0 ]; then
|
|
echo -e "${BOLD}Sanitization Complete!${NC}"
|
|
echo -e "${GREEN}-------------------------------------------------------${NC}"
|
|
echo -e " ${GREEN}All validation checks passed.${NC}"
|
|
else
|
|
echo -e "${BOLD}Sanitization Complete with Errors${NC}"
|
|
echo -e "${RED}-------------------------------------------------------${NC}"
|
|
echo -e " ${RED}$VALIDATION_ERRORS validation check(s) failed${NC}"
|
|
fi
|
|
echo ""
|
|
|
|
if [ "$SOFT_RESET" = true ]; then
|
|
echo -e "${CYAN}Soft reset complete.${NC}"
|
|
echo "You can now reboot to test the first-boot wizard."
|
|
echo ""
|
|
if [ "$AUTO_REBOOT" = true ]; then
|
|
echo "Rebooting..."
|
|
exec reboot
|
|
fi
|
|
# Flush input buffer and pause before prompt
|
|
read -t 0.1 -n 10000 discard </dev/tty 2>/dev/null || true
|
|
sleep 0.3
|
|
read -p "Reboot now? [y/N] " -n 1 -r </dev/tty
|
|
echo
|
|
if [[ $REPLY =~ ^[Yy]$ ]]; then
|
|
exec reboot
|
|
fi
|
|
else
|
|
echo "The system is ready for imaging."
|
|
echo ""
|
|
echo -e "${YELLOW}Next steps:${NC}"
|
|
echo " 1. Shut down: sudo shutdown -h now"
|
|
echo " 2. Remove SD card"
|
|
echo " 3. On another machine, copy with:"
|
|
echo " sudo dd if=/dev/sdX of=stegasoo-rpi.img bs=4M status=progress"
|
|
echo " 4. Compress: zstd -19 stegasoo-rpi.img"
|
|
echo ""
|
|
if [ "$AUTO_REBOOT" = true ]; then
|
|
echo "Shutting down..."
|
|
exec shutdown -h now
|
|
fi
|
|
# Flush input buffer and pause before prompt
|
|
read -t 0.1 -n 10000 discard </dev/tty 2>/dev/null || true
|
|
sleep 0.3
|
|
read -p "Shut down now? [y/N] " -n 1 -r </dev/tty
|
|
echo
|
|
if [[ $REPLY =~ ^[Yy]$ ]]; then
|
|
exec shutdown -h now
|
|
fi
|
|
fi
|