fprint: Add terminal based app for finger print.

For user finger print enrollment add terminal based
app which will take finger input to enroll finger based
authenication in the system.
Works fine across system reboot as well.

Signed-off-by: Vunny Sodhi <[email protected]>

modules/common/services/desktop.nix

@@ -196,6 +196,12 @@ in
               icon = "${pkgs.ghaf-artwork}/icons/falcon-icon.svg";
             }
 
+            {
+              name = "FPrint Enroll";
+              path = "${pkgs.foot}/bin/foot -H -T Finger_Print_Enrollment -L ${pkgs.fprint-enroll}/bin/finger-print-enroll";
+              icon = "${pkgs.icon-pack}/authy.svg";
+            }
+
             {
               name = "Shutdown";
               description = "Shutdown System";

overlays/custom-packages/default.nix

@@ -24,4 +24,5 @@
   globalprotect-openconnect =
     final.libsForQt5.callPackage ../../packages/globalprotect-openconnect
       { };
+  fprint-enroll = final.callPackage ../../packages/fprint-enroll { };
 })

packages/fprint-enroll/default.nix

@@ -0,0 +1,23 @@
+# Copyright 2022-2024 TII (SSRC) and the Ghaf contributors
+# SPDX-License-Identifier: Apache-2.0
+#
+#
+{
+  writeShellApplication,
+  util-linux,
+  fprintd,
+}:
+writeShellApplication {
+  name = "finger-print-enroll";
+  runtimeInputs = [
+    util-linux
+    fprintd
+  ];
+  text = builtins.readFile ./enroll.sh;
+  meta = {
+    description = "Helper script for finger print enrollment";
+    platforms = [
+      "x86_64-linux"
+    ];
+  };
+}

packages/fprint-enroll/enroll.sh

@@ -0,0 +1,59 @@
+#! /usr/bin/env bash
+# shellcheck shell=bash
+# Copyright 2022-2024 TII (SSRC) and the Ghaf contributors
+# SPDX-License-Identifier: Apache-2.0
+# Notes:
+#   Thi script can be used enroll finger print
+set +xo pipefail
+mainmenu () {
+  echo "Please choose which finger you want to enroll"
+  echo "0. Right Thumb"
+  echo "1. Right Index Finger"
+  echo "2. Right Middle Finger"
+  echo "3. Right Ring Finger"
+  echo "4. Right Little Finger"
+  echo "5. Left Thumb"
+  echo "6. Left Index Finger"
+  echo "7. Left Middle Finger"
+  echo "8. Left Ring Finger"
+  echo "9. Left Little Finger"
+  echo ""
+}
+readfunc()
+{
+  while true; do
+  read  -r -n 1 -p "Input Selection:" mainmenuinput
+  echo ""
+  echo "Please tap on power button for finger enrollment"
+  echo ""
+  if [ "$mainmenuinput" = "0" ]; then
+        fprintd-enroll -f right-thumb
+  elif [ "$mainmenuinput" = "1" ]; then
+        fprintd-enroll -f right-index-finger
+  elif [ "$mainmenuinput" = "2" ]; then
+        fprintd-enroll -f right-middle-finger
+  elif [ "$mainmenuinput" = "3" ]; then
+        fprintd-enroll -f right-ring-finger
+  elif [ "$mainmenuinput" = "4" ]; then
+        fprintd-enroll -f right-little-finger
+  elif [ "$mainmenuinput" = "5" ];then
+        fprintd-enroll -f left-thumb
+  elif [ "$mainmenuinput" = "6" ];then
+        fprintd-enroll -f left-index-finger
+  elif [ "$mainmenuinput" = "7" ];then
+        fprintd-enroll -f left-middle-finger
+  elif [ "$mainmenuinput" = "8" ];then
+        fprintd-enroll -f left-ring-finger
+  elif [ "$mainmenuinput" = "9" ];then
+        fprintd-enroll -f left-ring-finger
+  else
+        echo "Invalid Input"
+            mainmenu
+            readfunc
+  fi
+    echo ""
+    exit 0
+done
+}
+mainmenu
+readfunc

packages/icon-pack/default.nix

@@ -10,6 +10,7 @@
 }:
 let
   icons = [
+    "authy.svg"
     "bluetooth-48.svg"
     "preferences-sound.svg"
     "chromium.svg"