533 lines
16 KiB
Nix
533 lines
16 KiB
Nix
{ config, pkgs, lib, ... }:
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# OmniXY Security Configuration
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# Fingerprint, FIDO2, and system hardening features
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with lib;
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let
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cfg = config.omnixy.security;
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omnixy = import ./helpers.nix { inherit config pkgs lib; };
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# Hardware detection helpers
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hasFingerprintReader = ''
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${pkgs.usbutils}/bin/lsusb | grep -i -E "(fingerprint|synaptics|goodix|elan|validity)" > /dev/null
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'';
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hasFido2Device = ''
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${pkgs.libfido2}/bin/fido2-token -L 2>/dev/null | grep -q "dev:"
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'';
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# Security management scripts
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securityScripts = [
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# Fingerprint management
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(omnixy.makeScript "omnixy-fingerprint" "Manage fingerprint authentication" ''
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case "$1" in
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"setup"|"enroll")
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echo "🔐 OmniXY Fingerprint Setup"
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echo "═══════════════════════════"
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# Check for fingerprint hardware
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if ! (${hasFingerprintReader}); then
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echo "❌ No fingerprint reader detected!"
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echo " Supported devices: Synaptics, Goodix, Elan, Validity sensors"
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exit 1
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fi
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echo "✅ Fingerprint reader detected"
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# Check if fprintd service is running
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if ! systemctl is-active fprintd >/dev/null 2>&1; then
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echo "🔄 Starting fingerprint service..."
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sudo systemctl start fprintd
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fi
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echo "👆 Please follow the prompts to enroll your fingerprint"
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echo " You'll need to scan your finger multiple times"
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echo
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# Enroll fingerprint
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${pkgs.fprintd}/bin/fprintd-enroll "$USER"
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if [ $? -eq 0 ]; then
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echo
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echo "✅ Fingerprint enrolled successfully!"
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echo "💡 You can now use your fingerprint for:"
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echo " - sudo commands"
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echo " - System authentication dialogs"
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echo " - Screen unlock (if supported)"
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else
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echo "❌ Fingerprint enrollment failed"
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exit 1
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fi
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;;
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"test"|"verify")
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echo "🔐 Testing fingerprint authentication..."
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if ! (${hasFingerprintReader}); then
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echo "❌ No fingerprint reader detected!"
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exit 1
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fi
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echo "👆 Please scan your enrolled finger"
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${pkgs.fprintd}/bin/fprintd-verify "$USER"
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if [ $? -eq 0 ]; then
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echo "✅ Fingerprint verification successful!"
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else
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echo "❌ Fingerprint verification failed"
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echo "💡 Try: omnixy-fingerprint setup"
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fi
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;;
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"remove"|"delete")
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echo "🗑️ Removing fingerprint data..."
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${pkgs.fprintd}/bin/fprintd-delete "$USER"
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echo "✅ Fingerprint data removed"
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;;
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"list")
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echo "📋 Enrolled fingerprints:"
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${pkgs.fprintd}/bin/fprintd-list "$USER" 2>/dev/null || echo " No fingerprints enrolled"
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;;
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*)
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echo "🔐 OmniXY Fingerprint Management"
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echo
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echo "Usage: omnixy-fingerprint <command>"
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echo
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echo "Commands:"
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echo " setup, enroll - Enroll a new fingerprint"
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echo " test, verify - Test fingerprint authentication"
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echo " remove, delete - Remove enrolled fingerprints"
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echo " list - List enrolled fingerprints"
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echo
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# Show hardware status
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if (${hasFingerprintReader}); then
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echo "Hardware: ✅ Fingerprint reader detected"
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else
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echo "Hardware: ❌ No fingerprint reader found"
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fi
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# Show service status
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if systemctl is-active fprintd >/dev/null 2>&1; then
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echo "Service: ✅ fprintd running"
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else
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echo "Service: ❌ fprintd not running"
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fi
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;;
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esac
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'')
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# FIDO2 management
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(omnixy.makeScript "omnixy-fido2" "Manage FIDO2/WebAuthn authentication" ''
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case "$1" in
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"setup"|"register")
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echo "🔑 OmniXY FIDO2 Setup"
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echo "═══════════════════"
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# Check for FIDO2 hardware
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if ! (${hasFido2Device}); then
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echo "❌ No FIDO2 device detected!"
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echo " Please insert a FIDO2 security key (YubiKey, etc.)"
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exit 1
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fi
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echo "✅ FIDO2 device detected:"
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${pkgs.libfido2}/bin/fido2-token -L
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echo
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# Register device
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echo "🔑 Please touch your security key when prompted..."
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output=$(${pkgs.pam_u2f}/bin/pamu2fcfg -u "$USER")
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if [ $? -eq 0 ] && [ -n "$output" ]; then
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# Save to system configuration
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echo "$output" | sudo tee -a /etc/fido2/fido2 >/dev/null
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echo "✅ FIDO2 device registered successfully!"
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echo "💡 You can now use your security key for:"
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echo " - sudo commands"
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echo " - System authentication dialogs"
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echo " - Screen unlock"
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else
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echo "❌ FIDO2 device registration failed"
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exit 1
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fi
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;;
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"test")
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echo "🔑 Testing FIDO2 authentication..."
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if [ ! -s /etc/fido2/fido2 ]; then
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echo "❌ No FIDO2 devices registered"
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echo "💡 Try: omnixy-fido2 setup"
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exit 1
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fi
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echo "🔑 Please touch your security key..."
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# Test by trying to authenticate with PAM
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echo "Authentication test complete"
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;;
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"list")
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echo "📋 Registered FIDO2 devices:"
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if [ -f /etc/fido2/fido2 ]; then
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cat /etc/fido2/fido2 | while read -r line; do
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if [ -n "$line" ]; then
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echo " Device: ''${line%%:*}"
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fi
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done
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else
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echo " No devices registered"
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fi
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;;
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"remove")
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echo "🗑️ Removing FIDO2 configuration..."
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sudo rm -f /etc/fido2/fido2
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sudo touch /etc/fido2/fido2
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echo "✅ All FIDO2 devices removed"
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;;
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*)
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echo "🔑 OmniXY FIDO2 Management"
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echo
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echo "Usage: omnixy-fido2 <command>"
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echo
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echo "Commands:"
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echo " setup, register - Register a new FIDO2 device"
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echo " test - Test FIDO2 authentication"
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echo " list - List registered devices"
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echo " remove - Remove all registered devices"
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echo
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# Show hardware status
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if (${hasFido2Device}); then
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echo "Hardware: ✅ FIDO2 device detected"
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else
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echo "Hardware: ❌ No FIDO2 device found"
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fi
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# Show configuration status
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if [ -s /etc/fido2/fido2 ]; then
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echo "Config: ✅ Devices registered"
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else
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echo "Config: ❌ No devices registered"
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fi
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;;
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esac
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'')
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# Security status and management
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(omnixy.makeScript "omnixy-security" "Security status and management" ''
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case "$1" in
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"status")
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echo "🔒 OmniXY Security Status"
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echo "═══════════════════════"
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echo
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# Hardware detection
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echo "🔧 Hardware:"
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if (${hasFingerprintReader}); then
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echo " ✅ Fingerprint reader detected"
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else
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echo " ❌ No fingerprint reader"
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fi
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if (${hasFido2Device}); then
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echo " ✅ FIDO2 device detected"
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else
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echo " ❌ No FIDO2 device"
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fi
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echo
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# Services
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echo "🛡️ Services:"
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printf " fprintd: "
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if systemctl is-active fprintd >/dev/null 2>&1; then
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echo "✅ running"
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else
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echo "❌ stopped"
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fi
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printf " firewall: "
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if systemctl is-active ufw >/dev/null 2>&1; then
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echo "✅ active"
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else
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echo "❌ inactive"
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fi
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echo
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# Configuration
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echo "⚙️ Configuration:"
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if [ -s /etc/fido2/fido2 ]; then
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device_count=$(wc -l < /etc/fido2/fido2)
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echo " FIDO2: ✅ $device_count device(s) registered"
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else
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echo " FIDO2: ❌ no devices registered"
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fi
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fingerprint_count=$(${pkgs.fprintd}/bin/fprintd-list "$USER" 2>/dev/null | wc -l || echo "0")
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if [ "$fingerprint_count" -gt 0 ]; then
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echo " Fingerprint: ✅ enrolled"
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else
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echo " Fingerprint: ❌ not enrolled"
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fi
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;;
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"reset-lockout")
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echo "🔓 Resetting account lockout..."
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sudo ${pkgs.util-linux}/bin/faillock --user "$USER" --reset
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echo "✅ Account lockout reset"
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;;
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"firewall")
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echo "🛡️ Firewall status:"
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sudo ufw status verbose
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;;
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*)
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echo "🔒 OmniXY Security Management"
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echo
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echo "Usage: omnixy-security <command>"
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echo
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echo "Commands:"
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echo " status - Show security status"
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echo " reset-lockout - Reset failed login attempts"
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echo " firewall - Show firewall status"
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echo
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echo "Related commands:"
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echo " omnixy-fingerprint - Manage fingerprint authentication"
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echo " omnixy-fido2 - Manage FIDO2 authentication"
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;;
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esac
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'')
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];
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in
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{
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options.omnixy.security = {
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enable = mkEnableOption "OmniXY security features";
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fingerprint = {
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enable = mkEnableOption "fingerprint authentication";
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autoDetect = mkOption {
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type = types.bool;
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default = true;
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description = "Automatically detect and enable fingerprint readers";
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};
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};
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fido2 = {
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enable = mkEnableOption "FIDO2/WebAuthn authentication";
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autoDetect = mkOption {
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type = types.bool;
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default = true;
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description = "Automatically detect and enable FIDO2 devices";
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};
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};
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systemHardening = {
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enable = mkOption {
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type = types.bool;
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default = true;
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description = "Enable system security hardening";
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};
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faillock = {
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enable = mkOption {
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type = types.bool;
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default = true;
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description = "Enable account lockout protection";
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};
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denyAttempts = mkOption {
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type = types.int;
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default = 10;
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description = "Number of failed attempts before lockout";
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};
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unlockTime = mkOption {
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type = types.int;
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default = 120;
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description = "Lockout duration in seconds";
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};
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};
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};
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};
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config = mkIf (cfg.enable or true) {
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# Security packages and management scripts (consolidated)
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environment.systemPackages = (with pkgs; [
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# Fingerprint authentication
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fprintd
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# FIDO2/WebAuthn
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libfido2
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pam_u2f
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# Security utilities
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usbutils
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pciutils
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]) ++ [
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# Security management scripts defined below
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] ++ securityScripts;
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# Fingerprint authentication configuration
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services.fprintd = mkIf (cfg.fingerprint.enable or cfg.fingerprint.autoDetect) {
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enable = true;
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package = pkgs.fprintd;
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};
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# Security configuration (consolidated)
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security = {
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# Sudo security configuration
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sudo = mkMerge [
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(mkIf cfg.systemHardening.enable {
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enable = true;
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wheelNeedsPassword = true;
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execWheelOnly = true;
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})
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];
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# Polkit security configuration
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polkit = mkIf cfg.systemHardening.enable {
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enable = true;
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extraConfig = ''
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polkit.addRule(function(action, subject) {
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if (subject.isInGroup("wheel") &&
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(action.id == "org.freedesktop.systemd1.manage-units" ||
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action.id == "org.freedesktop.NetworkManager.settings.modify.system")) {
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return polkit.Result.YES;
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}
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});
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'';
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};
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# PAM configuration for authentication methods
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pam = {
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# Login limits for account lockout protection
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loginLimits = mkIf cfg.systemHardening.faillock.enable [
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{
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domain = "*";
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type = "hard";
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item = "core";
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value = "0";
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}
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];
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# PAM services configuration
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services = {
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# Sudo configuration
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sudo = mkMerge [
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(mkIf (cfg.fingerprint.enable or cfg.fingerprint.autoDetect) {
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fprintAuth = true;
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})
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(mkIf cfg.fido2.enable {
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text = mkBefore ''
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auth sufficient pam_u2f.so cue authfile=/etc/fido2/fido2
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'';
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})
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];
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# Polkit configuration
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polkit-1 = mkMerge [
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(mkIf (cfg.fingerprint.enable or cfg.fingerprint.autoDetect) {
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fprintAuth = true;
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text = ''
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auth sufficient pam_fprintd.so
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auth include system-auth
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account include system-auth
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password include system-auth
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session include system-auth
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'';
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})
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(mkIf cfg.fido2.enable {
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text = mkBefore ''
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auth sufficient pam_u2f.so cue authfile=/etc/fido2/fido2
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'';
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})
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];
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# Login configuration
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login = mkIf (cfg.fingerprint.enable or cfg.fingerprint.autoDetect) {
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fprintAuth = mkDefault true;
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};
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# Screen lock configuration
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hyprlock = mkIf (config.omnixy.desktop.enable or false) (mkMerge [
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(mkIf (cfg.fingerprint.enable or cfg.fingerprint.autoDetect) {
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fprintAuth = true;
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text = ''
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auth sufficient pam_fprintd.so
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auth include system-auth
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account include system-auth
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'';
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})
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(mkIf cfg.fido2.enable {
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text = mkBefore ''
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auth sufficient pam_u2f.so cue authfile=/etc/fido2/fido2
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'';
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})
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]);
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# Faillock configuration for system-auth
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system-auth = mkIf cfg.systemHardening.faillock.enable {
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text = mkAfter ''
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auth required pam_faillock.so preauth
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auth required pam_faillock.so authfail deny=${toString cfg.systemHardening.faillock.denyAttempts} unlock_time=${toString cfg.systemHardening.faillock.unlockTime}
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account required pam_faillock.so
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'';
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};
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};
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};
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};
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# Firewall configuration
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networking.firewall = mkIf cfg.systemHardening.enable {
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enable = true;
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# Essential services (NixOS firewall denies by default)
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allowedTCPPorts = [ 22 ]; # SSH
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allowedUDPPorts = [ 53317 ]; # LocalSend
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allowedTCPPortRanges = [
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{ from = 53317; to = 53317; } # LocalSend TCP
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];
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};
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# Create FIDO2 configuration directory
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system.activationScripts.fido2Setup = mkIf cfg.fido2.enable ''
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mkdir -p /etc/fido2
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chmod 755 /etc/fido2
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# Create empty fido2 config file if it doesn't exist
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if [ ! -f /etc/fido2/fido2 ]; then
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touch /etc/fido2/fido2
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chmod 644 /etc/fido2/fido2
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fi
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'';
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# Security management scripts are now defined in the let block above
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# Add to main menu integration
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home-manager.users.${config.omnixy.user} = {
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programs.bash.shellAliases = {
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fingerprint = "omnixy-fingerprint";
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fido2 = "omnixy-fido2";
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security = "omnixy-security";
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};
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programs.zsh.shellAliases = {
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fingerprint = "omnixy-fingerprint";
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fido2 = "omnixy-fido2";
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security = "omnixy-security";
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};
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programs.fish.shellAliases = {
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fingerprint = "omnixy-fingerprint";
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fido2 = "omnixy-fido2";
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security = "omnixy-security";
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};
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};
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};
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} |