Fingerprint scanner: Difference between revisions

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== Install ==

~~<syntaxhighlight lang~~=~~"nixos">~~

{{File|3={ config, lib, pkgs, ... }: {

~~# Start the driver at boot~~

~~systemd~~.~~services~~.~~fprintd = {~~

~~wantedBy = [ "multi-user.target" ];~~

~~serviceConfig~~.~~Type = "simple";~~

};

# Install the driver

services.fprintd.enable = true;

# If simply enabling fprintd is not enough, try enabling fprintd.tod...

services.fprintd.tod.enable = true;

# ...and use one of the next four drivers

services.fprintd.tod.driver = pkgs.libfprint-2-tod1-goodix; # Goodix driver module

# services.fprintd.tod.driver = pkgs.libfprint-2-tod1-elan # Elan(04f3:0c4b) driver

# services.fprintd.tod.driver = pkgs.libfprint-2-tod1-elan; # Elan(04f3:0c4b) driver

# services.fprintd.tod.driver = pkgs.libfprint-2-tod1-vfs0090; # driver for 2016 ThinkPads

# services.fprintd.tod.driver = pkgs.libfprint-2-tod1-vfs0090; # (Marked as broken as of 2025/04/23!) driver for 2016 ThinkPads

# services.fprintd.tod.driver = pkgs.libfprint-2-tod1-goodix-550a # Goodix 550a driver (from Lenovo)

# services.fprintd.tod.driver = pkgs.libfprint-2-tod1-goodix-550a; # Goodix 550a driver (from Lenovo)

</~~syntaxhighlight>~~

# however for focaltech 2808:a658, use fprintd with overidden package (without tod)

# services.fprintd.package = pkgs.fprintd.override {

# libfprint = pkgs.libfprint-focaltech-2808-a658;

# };

}|name=/etc/nixos/configuration.nix|lang=nix}}

== Enroll fingerprint ==

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=== CLI ===

<syntaxhighlight lang="bash">$ ~~sudo~~ fprintd-enroll</syntaxhighlight>

<syntaxhighlight lang="bash">$ fprintd-enroll</syntaxhighlight>

=== Gnome ===

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security.pam.services.login.fprintAuth = false;

security.pam.services.gdm-fingerprint = lib.mkIf (config.services.fprintd.enable) {

text = ''

auth required pam_shells.so

auth requisite pam_nologin.so

auth requisite pam_faillock.so preauth

auth required ${pkgs.fprintd}/lib/security/pam_fprintd.so

auth optional pam_permit.so

auth required pam_env.so

auth [success=ok default=1] ${pkgs~~.gnome~~.gdm}/lib/security/pam_gdm.so

auth [success=ok default=1] ${pkgs.gdm}/lib/security/pam_gdm.so

auth optional ${pkgs~~.gnome~~.gnome-keyring}/lib/security/pam_gnome_keyring.so

auth optional ${pkgs.gnome-keyring}/lib/security/pam_gnome_keyring.so

account include login

password required pam_deny.so

session include login

session optional ${pkgs~~.gnome~~.gnome-keyring}/lib/security/pam_gnome_keyring.so auto_start

session optional ${pkgs.gnome-keyring}/lib/security/pam_gnome_keyring.so auto_start

'';

};

</syntaxhighlight>

[[Category:Hardware]]

@@ Line 2: / Line 2: @@
 == Install ==
-<syntaxhighlight lang="nixos">
+{{File|3={ config, lib, pkgs, ... }: {
-# Start the driver at boot
-systemd.services.fprintd = {
-  wantedBy = [ "multi-user.target" ];
-  serviceConfig.Type = "simple";
-};
-# Install the driver
+  # Install the driver
-services.fprintd.enable = true;
+  services.fprintd.enable = true;
-# If simply enabling fprintd is not enough, try enabling fprintd.tod...
+  # If simply enabling fprintd is not enough, try enabling fprintd.tod...
-services.fprintd.tod.enable = true;
+  services.fprintd.tod.enable = true;
-# ...and use one of the next four drivers
+  # ...and use one of the next four drivers
-services.fprintd.tod.driver = pkgs.libfprint-2-tod1-goodix; # Goodix driver module
+  services.fprintd.tod.driver = pkgs.libfprint-2-tod1-goodix; # Goodix driver module
-# services.fprintd.tod.driver = pkgs.libfprint-2-tod1-elan # Elan(04f3:0c4b) driver
+  # services.fprintd.tod.driver = pkgs.libfprint-2-tod1-elan; # Elan(04f3:0c4b) driver
-# services.fprintd.tod.driver = pkgs.libfprint-2-tod1-vfs0090; # driver for 2016 ThinkPads
+  # services.fprintd.tod.driver = pkgs.libfprint-2-tod1-vfs0090; # (Marked as broken as of 2025/04/23!) driver for 2016 ThinkPads
-# services.fprintd.tod.driver = pkgs.libfprint-2-tod1-goodix-550a # Goodix 550a driver (from Lenovo)
+  # services.fprintd.tod.driver = pkgs.libfprint-2-tod1-goodix-550a; # Goodix 550a driver (from Lenovo)
-</syntaxhighlight>
+  # however for focaltech 2808:a658, use fprintd with overidden package (without tod)
+  # services.fprintd.package = pkgs.fprintd.override {
+  #   libfprint = pkgs.libfprint-focaltech-2808-a658;
+  # };
+}|name=/etc/nixos/configuration.nix|lang=nix}}
 == Enroll fingerprint ==
@@ Line 25: / Line 24: @@
 === CLI ===
-<syntaxhighlight lang="bash">$ sudo fprintd-enroll</syntaxhighlight>
+<syntaxhighlight lang="bash">$ fprintd-enroll</syntaxhighlight>
 === Gnome ===
@@ Line 40: / Line 39: @@
 security.pam.services.login.fprintAuth = false;
 security.pam.services.gdm-fingerprint = lib.mkIf (config.services.fprintd.enable) {
-      text = ''
+  text = ''
-        auth       required                    pam_shells.so
+    auth       required                    pam_shells.so
-        auth       requisite                   pam_nologin.so
+    auth       requisite                   pam_nologin.so
-        auth       requisite                   pam_faillock.so      preauth
+    auth       requisite                   pam_faillock.so      preauth
-        auth       required                    ${pkgs.fprintd}/lib/security/pam_fprintd.so
+    auth       required                    ${pkgs.fprintd}/lib/security/pam_fprintd.so
-        auth       optional                    pam_permit.so
+    auth       optional                    pam_permit.so
-        auth       required                    pam_env.so
+    auth       required                    pam_env.so
-        auth       [success=ok default=1]      ${pkgs.gnome.gdm}/lib/security/pam_gdm.so
+    auth       [success=ok default=1]      ${pkgs.gdm}/lib/security/pam_gdm.so
-        auth       optional                    ${pkgs.gnome.gnome-keyring}/lib/security/pam_gnome_keyring.so
+    auth       optional                    ${pkgs.gnome-keyring}/lib/security/pam_gnome_keyring.so
-        account    include                     login
+    account    include                     login
-        password   required                    pam_deny.so
+    password   required                    pam_deny.so
-        session    include                     login
+    session    include                     login
-        session    optional                    ${pkgs.gnome.gnome-keyring}/lib/security/pam_gnome_keyring.so auto_start
+    session    optional                    ${pkgs.gnome-keyring}/lib/security/pam_gnome_keyring.so auto_start
-      '';
+  '';
-    };
 };
 </syntaxhighlight>
 [[Category:Hardware]]