WIP: shut-up uncrustify

virtual-device: Add non-imaging mock driver
Has 2 variants, one that supports identify, one that doesn't. The mode of operation for this device is: - Run fprintd with "FP_VIRTUAL_DEVICE=/tmp/fprint.socket" - As root: FP_VIRTUAL_DEVICE=/tmp/fprint.socket ./sendvirtcmd.py "ADD left-middle testuser success" FP_VIRTUAL_DEVICE=/tmp/fprint.socket ./sendvirtcmd.py "ADD right-middle testuser failure" - As testuser: fprintd-enroll -f left-middle-finger fprintd-enroll -f right-middle-finger Now, across fprintd restarts (as it has its own storage), verification will always succeed for user "testuser" with the "left-middle-finger". Using the FP_VIRTUAL_DEVICE_IDENT envvar instead will allow identification, with the first found "successful" finger being presented as the identified one.
2025-11-15 07:38:12 +00:00 · 2020-05-07 16:46:00 +02:00 · 2020-05-07 16:46:00 +02:00 · 2020-05-07 16:46:00 +02:00 · 2020-05-07 16:46:00 +02:00 · 2020-05-07 16:46:00 +02:00
80 changed files with 844 additions and 4229 deletions
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,7 +3,6 @@ include:
  - project: 'wayland/ci-templates'
    ref: master
    file: '/templates/fedora.yml'
-  - remote: 'https://gitlab.gnome.org/GNOME/citemplates/-/raw/master/flatpak/flatpak_ci_initiative.yml'

 variables:
  extends: .libfprint_common_variables
@@ -49,11 +48,6 @@ build:
  <<: *build_one_driver
  <<: *build
 #  <<: *check_abi
-  artifacts:
-    expose_as: "HTML Documentation"
-    paths:
-    - _build/doc/html/
-    expire_in: 1 week

 test:
  stage: test
@@ -70,7 +64,6 @@ test:
    paths:
      - _build/meson-logs
    expire_in: 1 week
-  coverage: '/^TOTAL.*\s+(\d+\%)$/'

 test_valgrind:
  stage: test
@@ -82,55 +75,64 @@ test_valgrind:
    - ninja -C _build
    - meson test -C _build --verbose --no-stdsplit --setup=valgrind

-test_scan_build:
-  stage: test
-  except:
-    variables:
-      - $CI_PIPELINE_SOURCE == "schedule"
-  allow_failure: true
-  script:
-    - meson -Ddrivers=all . _build
-    # This is ugly, the wrapper disables the malloc checker
-    - SCANBUILD=$CI_PROJECT_DIR/.gitlab-ci/scan-build ninja -C _build scan-build
-    # Check that the directory is empty
-    - "! ls -A _build/meson-logs/scanbuild | grep -q ."
-  artifacts:
-    paths:
-      - _build/meson-logs
-    expire_in: 1 week
-
 test_indent:
  stage: check-source
  except:
    variables:
      - $CI_PIPELINE_SOURCE == "schedule"
  script:
-    - scripts/uncrustify.sh
-    - git diff
-    - "! git status -s | grep -q ."
+    - scripts/uncrustify.sh --check

-flatpak:
-  stage: flatpak
-  extends: .flatpak
-  image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:3.36
-  variables:
-    MANIFEST_PATH: "demo/org.freedesktop.libfprint.Demo.json"
-    FLATPAK_MODULE: "libfprint"
-    APP_ID: "org.freedesktop.libfprint.Demo"
-  rules:
-    - if: '$CI_PROJECT_PATH != "libfprint/libfprint"'
-      when: never
-    - if: '$CI_PIPELINE_SOURCE == "schedule"'
-      when: never
-    - if: '$CI_COMMIT_BRANCH == "master"'
-      when: always
-    - if: '$CI_COMMIT_TAG'
-      when: always
-    # For any other (commit), allow manual run.
-    # This excludes MRs which would create a duplicate pipeline
-    - if: '$CI_COMMIT_BRANCH'
-      when: manual
-      allow_failure: true
+.flatpak_script_template: &flatpak_script
+    script:
+        - flatpak-builder --stop-at=${FLATPAK_MODULE} app ${MANIFEST_PATH}
+        # Make sure to keep this in sync with the Flatpak manifest, all arguments
+        # are passed except the config-args because we build it ourselves
+        - flatpak build app meson --prefix=/app --libdir=lib ${MESON_ARGS} _build
+        - flatpak build app ninja -C _build install
+        - flatpak build app rm -rf /app/include/ /app/lib/pkgconfig/
+        - flatpak-builder --finish-only --repo=repo app ${MANIFEST_PATH}
+        # Generate a Flatpak bundle
+        - flatpak build-bundle repo ${BUNDLE} --runtime-repo=${RUNTIME_REPO} ${DBUS_ID}
+
+.flatpak_artifacts_template: &flatpak_artifacts
+    artifacts:
+        paths:
+            - ${BUNDLE}
+        when: always
+        expire_in: 30 days
+
+.flatpak_template: &flatpak
+    <<: *flatpak_script
+    <<: *flatpak_artifacts
+
+.flatpak_master_template: &flatpak_master
+    image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:3.32
+    stage: flatpak
+    variables:
+        MANIFEST_PATH: "demo/org.freedesktop.libfprint.Demo.json"
+        # From demo/org.freedesktop.libfprint.Demo.json
+        MESON_ARGS: "-Dudev_rules=false -Dx11-examples=false -Dgtk-examples=true"
+        FLATPAK_MODULE: "libfprint"
+        DBUS_ID: "org.freedesktop.libfprint.Demo"
+    <<: *flatpak
+
+flatpak-auto master:
+    <<: *flatpak_master
+    when: always
+    only:
+      - tags
+      - master
+
+flatpak-manual master:
+    <<: *flatpak_master
+    when: manual
+    except:
+      refs:
+        - tags
+        - master
+      variables:
+        - $CI_PIPELINE_SOURCE == "schedule"

 # CONTAINERS creation stage
 container_fedora_build:
--- a/.gitlab-ci/libfprint-templates.yaml
+++ b/.gitlab-ci/libfprint-templates.yaml
@@ -24,4 +24,3 @@
    umockdev
    uncrustify
    valgrind
-    clang-analyzer
--- a/.gitlab-ci/scan-build
+++ b/.gitlab-ci/scan-build
@@ -1,4 +0,0 @@
-#!/bin/sh
-
-# This wrapper just disables the malloc checker
-exec /usr/bin/scan-build -disable-checker unix.Malloc "$@"
--- a/13
+++ b/13
@@ -1,13 +0,0 @@
-Current maintainers of libfprint are:
-
- * Benjamin Berg <bberg@redhat.com>
- * Marco Trevisan (Treviño) <mail@3v1n0.net>
-
-Many drivers are not actively maintained and may not be fully functional.
-We are happy to receive contributions, but the support we can give is
-limitted unfortunately. For many drivers we may not even have test devices.
-
-Maintained drivers are:
- * synaptics:
-   Contributed and maintained by Synaptics Inc.
-   Contact: Vincent Huang <vincent.huang@tw.synaptics.com>
--- a/29
+++ b/29
@@ -1,35 +1,6 @@
 This file lists notable changes in each release. For the full history of all
 changes, see ChangeLog.

-2020-06-08: v1.90.3 release
-
-This release mostly contains support for a number of new match-on-chip
-devices. Most notable is the addition of the new goodixmoc driver.
-Currently the driver has the small caveat that we have no strategy to
-garbage collect old prints yet (a simple strategy could be implemented
-in fprintd).
-
-Highlights:
- * New goodixmoc driver supporting Goodix USB devices:
-   27C6:5840
-   27C6:6496
-   27C6:60A2
- * Newly added support for Synaptics device:
-   06CB:00E9
-   06CB:00DF
- * Fixed an issue with Synaptics devices sometimes not working at boot
- * Fix issue with aes3k driver (#306)
-
-2020-06-08: v1.90.2 release
-
-This release contains a large amount of bug and regression fixes. These
-are not listed explicitly, but affect the majority of drivers.
-
-Highlights:
- * A patch for nbis required for some sensors was accidentally dropped in
-   an earlier release. Users of these sensors/drivers (aes1610, aes2501,
-   aes2550, aes1660, aes2660, elan, upektc_img) need to re-enroll (#142).
-
 2019-11-20: v1.90.1 release

 This release fixes a lot of the regressions introduced in 1.90.0. Please note
--- a/demo/gtk-libfprint-test.c
+++ b/demo/gtk-libfprint-test.c
@@ -241,8 +241,6 @@ dev_capture_start_cb (FpDevice     *dev,
      if (error->domain == FP_DEVICE_RETRY ||
          g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
        libfprint_demo_set_mode (win, RETRY_MODE);
-      else if (g_error_matches (error, FP_DEVICE_ERROR, FP_DEVICE_ERROR_NOT_SUPPORTED))
-        libfprint_demo_set_mode (win, NOIMAGING_MODE);
      else
        libfprint_demo_set_mode (win, ERROR_MODE);
      return;
--- a/demo/org.freedesktop.libfprint.Demo.json
+++ b/demo/org.freedesktop.libfprint.Demo.json
@@ -1,7 +1,7 @@
 {
    "app-id": "org.freedesktop.libfprint.Demo",
    "runtime": "org.gnome.Platform",
-    "runtime-version": "3.36",
+    "runtime-version": "3.32",
    "sdk": "org.gnome.Sdk",
    "command": "gtk-libfprint-test",
    "finish-args": [
--- a/doc/libfprint-2-sections.txt
+++ b/doc/libfprint-2-sections.txt
@@ -175,7 +175,7 @@ fpi_image_resize

 <SECTION>
 <FILE>fpi-image-device</FILE>
-<TITLE>Internal FpImageDevice</TITLE>
+<TITLE>FpImageDevice</TITLE>
 FpiImageDeviceState
 FpImageDeviceClass
 fpi_image_device_session_error
--- a/examples/enroll.c
+++ b/examples/enroll.c
@@ -112,7 +112,7 @@ on_enroll_progress (FpDevice *device,
      return;
    }

-  if (print && fp_print_get_image (print) &&
+  if (fp_device_supports_capture (device) &&
      print_image_save (print, "enrolled.pgm"))
    printf ("Wrote scanned image to enrolled.pgm\n");

--- a/examples/img-capture.c
+++ b/examples/img-capture.c
@@ -1,192 +0,0 @@
-/*
- * Example fingerprint verification program, which verifies the
- * finger which has been previously enrolled to disk.
- * Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
- * Copyright (C) 2019 Marco Trevisan <marco.trevisan@canonical.com>
- * Copyright (C) 2020 Vasily Khoruzhick <anarsoul@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#define FP_COMPONENT "example-capture"
-
-#include <stdio.h>
-#include <libfprint/fprint.h>
-#include <glib-unix.h>
-
-#include "storage.h"
-#include "utilities.h"
-
-typedef struct CaptureData
-{
-  GMainLoop    *loop;
-  GCancellable *cancellable;
-  unsigned int  sigint_handler;
-  int           ret_value;
-  const char   *filename;
-} CaptureData;
-
-static void
-capture_data_free (CaptureData *capture_data)
-{
-  g_clear_handle_id (&capture_data->sigint_handler, g_source_remove);
-  g_clear_object (&capture_data->cancellable);
-  g_main_loop_unref (capture_data->loop);
-  g_free (capture_data);
-}
-G_DEFINE_AUTOPTR_CLEANUP_FUNC (CaptureData, capture_data_free)
-
-static void
-on_device_closed (FpDevice *dev, GAsyncResult *res, void *user_data)
-{
-  CaptureData *capture_data = user_data;
-
-  g_autoptr(GError) error = NULL;
-
-  fp_device_close_finish (dev, res, &error);
-
-  if (error)
-    g_warning ("Failed closing device %s\n", error->message);
-
-  g_main_loop_quit (capture_data->loop);
-}
-
-static void
-capture_quit (FpDevice    *dev,
-              CaptureData *capture_data)
-{
-  if (!fp_device_is_open (dev))
-    {
-      g_main_loop_quit (capture_data->loop);
-      return;
-    }
-
-  fp_device_close (dev, NULL, (GAsyncReadyCallback) on_device_closed, capture_data);
-}
-
-static void
-dev_capture_cb (FpDevice     *dev,
-                GAsyncResult *res,
-                void         *user_data)
-{
-  g_autoptr(GError) error = NULL;
-  CaptureData *capture_data = user_data;
-  FpImage *image = NULL;
-
-  g_clear_object (&capture_data->cancellable);
-
-  image = fp_device_capture_finish (dev, res, &error);
-  if (!image)
-    {
-      g_warning ("Error capturing data: %s", error->message);
-      capture_quit (dev, capture_data);
-      return;
-    }
-
-  save_image_to_pgm (image, capture_data->filename);
-
-  capture_quit (dev, capture_data);
-}
-
-static void
-start_capture (FpDevice *dev, CaptureData *capture_data)
-{
-  fp_device_capture (dev, TRUE, capture_data->cancellable, (GAsyncReadyCallback) dev_capture_cb, capture_data);
-}
-
-static void
-on_device_opened (FpDevice *dev, GAsyncResult *res, void *user_data)
-{
-  CaptureData *capture_data = user_data;
-
-  g_autoptr(GError) error = NULL;
-
-  if (!fp_device_open_finish (dev, res, &error))
-    {
-      g_warning ("Failed to open device: %s", error->message);
-      capture_quit (dev, capture_data);
-      return;
-    }
-
-  g_print ("Opened device. ");
-
-  start_capture (dev, capture_data);
-}
-
-static gboolean
-sigint_cb (void *user_data)
-{
-  CaptureData *capture_data = user_data;
-
-  g_cancellable_cancel (capture_data->cancellable);
-
-  return G_SOURCE_CONTINUE;
-}
-
-int
-main (int argc, const char *argv[])
-{
-  g_autoptr(FpContext) ctx = NULL;
-  g_autoptr(CaptureData) capture_data = NULL;
-  GPtrArray *devices;
-  FpDevice *dev;
-
-  setenv ("G_MESSAGES_DEBUG", "all", 0);
-  setenv ("LIBUSB_DEBUG", "3", 0);
-
-  ctx = fp_context_new ();
-
-  devices = fp_context_get_devices (ctx);
-  if (!devices)
-    {
-      g_warning ("Impossible to get devices");
-      return EXIT_FAILURE;
-    }
-
-  dev = discover_device (devices);
-  if (!dev)
-    {
-      g_warning ("No devices detected.");
-      return EXIT_FAILURE;
-    }
-
-  if (!fp_device_supports_capture (dev))
-    {
-      g_warning ("Device %s doesn't support capture",
-                 fp_device_get_name (dev));
-      return EXIT_FAILURE;
-    }
-
-  capture_data = g_new0 (CaptureData, 1);
-  capture_data->ret_value = EXIT_FAILURE;
-  capture_data->loop = g_main_loop_new (NULL, FALSE);
-  capture_data->cancellable = g_cancellable_new ();
-  capture_data->sigint_handler = g_unix_signal_add_full (G_PRIORITY_HIGH,
-                                                         SIGINT,
-                                                         sigint_cb,
-                                                         capture_data,
-                                                         NULL);
-  if (argc == 2)
-    capture_data->filename = argv[1];
-  else
-    capture_data->filename = "finger.pgm";
-  fp_device_open (dev, capture_data->cancellable,
-                  (GAsyncReadyCallback) on_device_opened,
-                  capture_data);
-
-  g_main_loop_run (capture_data->loop);
-
-  return capture_data->ret_value;
-}
--- a/examples/meson.build
+++ b/examples/meson.build
@@ -1,5 +1,5 @@

-examples = [ 'enroll', 'verify', 'manage-prints', 'img-capture' ]
+examples = [ 'enroll', 'verify', 'manage-prints' ]
 foreach example: examples
    executable(example,
        [ example + '.c', 'storage.c', 'utilities.c' ],
--- a/examples/sendvirtcmd.py
+++ b/examples/sendvirtcmd.py
@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+
+# This script can be used together with the virtual_imgdev to simulate an
+# image based fingerprint reader.
+#
+# To use, set the FP_VIRTUAL_IMAGE environment variable for both the
+# libfprint using program (e.g. fprintd) and this script.
+#
+# Usually this would work by adding it into the systemd unit file. The
+# best way of doing so is to create
+#  /etc/systemd/system/fprintd.service.d/fprintd-test.conf
+#
+# [Service]
+# RuntimeDirectory=fprint
+# Environment=FP_VIRTUAL_DEVICE=/run/fprint/virtdev_sock
+# Environment=G_MESSAGES_DEBUG=all
+# ReadWritePaths=$RUNTIME_DIR
+#
+# After that run:
+#
+#   systemctl daemon-reload
+#   systemctl restart fprintd.service
+#
+# You may also need to disable selinux.
+#
+# Then run this script with e.g.
+# FP_VIRTUAL_DEVICE=/run/fprint/virtdev_sock ./sendvirtimg.py "ADD <username> <finger> <success|failure>"
+
+
+
+import cairo
+import sys
+import os
+import socket
+import struct
+
+if len(sys.argv) != 2:
+    sys.stderr.write('You need to pass commands!\n')
+    sys.stderr.write('Usage: ./sendvirtimg.py "ADD <finger> <username> <success|failure>"\n')
+    sys.exit(1)
+
+command = sys.argv[1]
+
+# Send image through socket
+sockaddr = os.environ['FP_VIRTUAL_DEVICE']
+if not sockaddr:
+    sockaddr = os.environ['FP_VIRTUAL_DEVICE_IDENT']
+
+sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+sock.connect(sockaddr)
+
+sock.sendall(command.encode('utf-8'))
+
--- a/examples/storage.c
+++ b/examples/storage.c
@@ -180,7 +180,7 @@ print_create_template (FpDevice *dev, FpFinger finger)
 }


-gboolean
+static gboolean
 save_image_to_pgm (FpImage *img, const char *path)
 {
  FILE *fd = fopen (path, "w");
--- a/examples/storage.h
+++ b/examples/storage.h
@@ -28,5 +28,3 @@ FpPrint * print_create_template (FpDevice *dev,
                                 FpFinger  finger);
 gboolean print_image_save (FpPrint    *print,
                           const char *path);
-gboolean save_image_to_pgm (FpImage    *img,
-                            const char *path);
--- a/examples/verify.c
+++ b/examples/verify.c
@@ -124,7 +124,7 @@ on_match_cb (FpDevice *dev, FpPrint *match, FpPrint *print,
      return;
    }

-  if (print && fp_print_get_image (print) &&
+  if (print && fp_device_supports_capture (dev) &&
      print_image_save (print, "verify.pgm"))
    g_print ("Print image saved as verify.pgm\n");

@@ -256,7 +256,7 @@ start_verification (FpDevice *dev, VerifyData *verify_data)

      g_print ("Print loaded. Time to verify!\n");
      fp_device_verify (dev, verify_print, verify_data->cancellable,
-                        on_match_cb, verify_data, NULL,
+                        NULL, NULL, NULL,
                        (GAsyncReadyCallback) on_verify_completed,
                        verify_data);
    }
--- a/libfprint/drivers/aes1610.c
+++ b/libfprint/drivers/aes1610.c
@@ -614,7 +614,6 @@ capture_read_strip_cb (FpiUsbTransfer *transfer, FpDevice *device,
      self->strips = g_slist_reverse (self->strips);
      fpi_do_movement_estimation (&assembling_ctx, self->strips);
      img = fpi_assemble_frames (&assembling_ctx, self->strips);
-      img->flags |= FPI_IMAGE_PARTIAL;

      g_slist_free_full (self->strips, g_free);
      self->strips = NULL;
--- a/libfprint/drivers/aes2501.c
+++ b/libfprint/drivers/aes2501.c
@@ -458,7 +458,6 @@ capture_read_strip_cb (FpiUsbTransfer *transfer, FpDevice *_dev,
          fpi_do_movement_estimation (&assembling_ctx, self->strips);
          img = fpi_assemble_frames (&assembling_ctx,
                                     self->strips);
-          img->flags |= FPI_IMAGE_PARTIAL;
          g_slist_free_full (self->strips, g_free);
          self->strips = NULL;
          self->strips_len = 0;
--- a/libfprint/drivers/aes2550.c
+++ b/libfprint/drivers/aes2550.c
@@ -230,7 +230,6 @@ capture_set_idle_reqs_cb (FpiUsbTransfer *transfer,

      self->strips = g_slist_reverse (self->strips);
      img = fpi_assemble_frames (&assembling_ctx, self->strips);
-      img->flags |= FPI_IMAGE_PARTIAL;
      g_slist_free_full (self->strips, g_free);
      self->strips = NULL;
      self->strips_len = 0;
--- a/libfprint/drivers/aes3k.c
+++ b/libfprint/drivers/aes3k.c
@@ -42,7 +42,8 @@

 typedef struct
 {
-  GCancellable *img_trf_cancel;
+  FpiUsbTransfer *img_trf;
+  gboolean        deactivating;
 } FpiDeviceAes3kPrivate;

 #define CTRL_TIMEOUT 1000
@@ -76,21 +77,25 @@ img_cb (FpiUsbTransfer *transfer, FpDevice *device,
 {
  FpImageDevice *dev = FP_IMAGE_DEVICE (device);
  FpiDeviceAes3k *self = FPI_DEVICE_AES3K (device);
+  FpiDeviceAes3kPrivate *priv = fpi_device_aes3k_get_instance_private (self);
  FpiDeviceAes3kClass *cls = FPI_DEVICE_AES3K_GET_CLASS (self);
  unsigned char *ptr = transfer->buffer;
  FpImage *tmp;
  FpImage *img;
  int i;

+  priv->img_trf = NULL;
+
  if (error)
    {
      if (g_error_matches (error,
                           G_IO_ERROR,
                           G_IO_ERROR_CANCELLED))
        {
-          /* Cancellation implies we are deactivating. */
+          /* Deactivation was completed. */
          g_error_free (error);
-          fpi_image_device_deactivate_complete (dev, NULL);
+          if (priv->deactivating)
+            fpi_image_device_deactivate_complete (dev, NULL);
          return;
        }

@@ -121,23 +126,21 @@ img_cb (FpiUsbTransfer *transfer, FpDevice *device,
   * it really has, then restart the capture */
  fpi_image_device_report_finger_status (dev, FALSE);

-  /* Note: We always restart the transfer, it may already be cancelled though. */
  do_capture (dev);
 }

 static void
 do_capture (FpImageDevice *dev)
 {
-  g_autoptr(FpiUsbTransfer) img_trf = NULL;
  FpiDeviceAes3k *self = FPI_DEVICE_AES3K (dev);
  FpiDeviceAes3kPrivate *priv = fpi_device_aes3k_get_instance_private (self);
  FpiDeviceAes3kClass *cls = FPI_DEVICE_AES3K_GET_CLASS (self);

-  img_trf = fpi_usb_transfer_new (FP_DEVICE (dev));
-  fpi_usb_transfer_fill_bulk (img_trf, EP_IN, cls->data_buflen);
-  img_trf->short_is_error = TRUE;
-  fpi_usb_transfer_submit (g_steal_pointer (&img_trf), 0,
-                           priv->img_trf_cancel,
+  priv->img_trf = fpi_usb_transfer_new (FP_DEVICE (dev));
+  fpi_usb_transfer_fill_bulk (priv->img_trf, EP_IN, cls->data_buflen);
+  priv->img_trf->short_is_error = TRUE;
+  fpi_usb_transfer_submit (priv->img_trf, 0,
+                           fpi_device_get_cancellable (FP_DEVICE (dev)),
                           img_cb, NULL);
 }

@@ -156,8 +159,7 @@ aes3k_dev_activate (FpImageDevice *dev)
  FpiDeviceAes3kPrivate *priv = fpi_device_aes3k_get_instance_private (self);
  FpiDeviceAes3kClass *cls = FPI_DEVICE_AES3K_GET_CLASS (self);

-  g_assert (!priv->img_trf_cancel);
-  priv->img_trf_cancel = g_cancellable_new ();
+  priv->deactivating = FALSE;
  aes_write_regv (dev, cls->init_reqs, cls->init_reqs_len, init_reqs_cb, NULL);
 }

@@ -167,8 +169,10 @@ aes3k_dev_deactivate (FpImageDevice *dev)
  FpiDeviceAes3k *self = FPI_DEVICE_AES3K (dev);
  FpiDeviceAes3kPrivate *priv = fpi_device_aes3k_get_instance_private (self);

-  /* Deactivation always finishes from the cancellation handler */
-  g_cancellable_cancel (priv->img_trf_cancel);
+  priv->deactivating = TRUE;
+  if (priv->img_trf)
+    return;
+  fpi_image_device_deactivate_complete (dev, NULL);
 }

 static void
--- a/libfprint/drivers/aesx660.c
+++ b/libfprint/drivers/aesx660.c
@@ -331,7 +331,6 @@ capture_set_idle_cmd_cb (FpiUsbTransfer *transfer, FpDevice *device,

      priv->strips = g_slist_reverse (priv->strips);
      img = fpi_assemble_frames (cls->assembling_ctx, priv->strips);
-      img->flags |= FPI_IMAGE_PARTIAL;
      g_slist_foreach (priv->strips, (GFunc) g_free, NULL);
      g_slist_free (priv->strips);
      priv->strips = NULL;
--- a/libfprint/drivers/elan.c
+++ b/libfprint/drivers/elan.c
@@ -207,7 +207,6 @@ elan_save_img_frame (FpiDeviceElan *elandev)

  unsigned int frame_size = elandev->frame_width * elandev->frame_height;
  unsigned short *frame = g_malloc (frame_size * sizeof (short));
-
  elan_save_frame (elandev, frame);
  unsigned int sum = 0;

@@ -245,7 +244,6 @@ elan_process_frame_linear (unsigned short *raw_frame,
  G_DEBUG_HERE ();

  unsigned short min = 0xffff, max = 0;
-
  for (int i = 0; i < frame_size; i++)
    {
      if (raw_frame[i] < min)
@@ -257,7 +255,6 @@ elan_process_frame_linear (unsigned short *raw_frame,
  g_assert (max != min);

  unsigned short px;
-
  for (int i = 0; i < frame_size; i++)
    {
      px = raw_frame[i];
@@ -281,7 +278,6 @@ elan_process_frame_thirds (unsigned short *raw_frame,

  unsigned short lvl0, lvl1, lvl2, lvl3;
  unsigned short *sorted = g_malloc (frame_size * sizeof (short));
-
  memcpy (sorted, raw_frame, frame_size * sizeof (short));
  qsort (sorted, frame_size, sizeof (short), cmp_short);
  lvl0 = sorted[0];
@@ -291,7 +287,6 @@ elan_process_frame_thirds (unsigned short *raw_frame,
  g_free (sorted);

  unsigned short px;
-
  for (int i = 0; i < frame_size; i++)
    {
      px = raw_frame[i];
@@ -325,7 +320,6 @@ elan_submit_image (FpImageDevice *dev)
  g_slist_foreach (raw_frames, (GFunc) self->process_frame, &frames);
  fpi_do_movement_estimation (&assembling_ctx, frames);
  img = fpi_assemble_frames (&assembling_ctx, frames);
-  img->flags |= FPI_IMAGE_PARTIAL;

  g_slist_free_full (frames, g_free);

@@ -515,7 +509,6 @@ elan_stop_capture (FpDevice *dev)

  FpiSsm *ssm =
    fpi_ssm_new (dev, stop_capture_run_state, STOP_CAPTURE_NUM_STATES);
-
  fpi_ssm_start (ssm, stop_capture_complete);
 }

@@ -626,7 +619,6 @@ elan_capture (FpDevice *dev)
  elan_dev_reset_state (self);
  FpiSsm *ssm =
    fpi_ssm_new (dev, capture_run_state, CAPTURE_NUM_STATES);
-
  fpi_ssm_start (ssm, capture_complete);
 }

@@ -805,7 +797,6 @@ elan_calibrate (FpDevice *dev)

  FpiSsm *ssm = fpi_ssm_new (FP_DEVICE (dev), calibrate_run_state,
                             CALIBRATE_NUM_STATES);
-
  fpi_ssm_start (ssm, calibrate_complete);
 }

@@ -901,7 +892,6 @@ elan_activate (FpImageDevice *dev)
  FpiSsm *ssm =
    fpi_ssm_new (FP_DEVICE (dev), activate_run_state,
                 ACTIVATE_NUM_STATES);
-
  fpi_ssm_start (ssm, activate_complete);
 }

@@ -998,7 +988,7 @@ static void
 elan_change_state_async (FpDevice *dev,
                         void     *data)
 {
-  fp_dbg ("state change dev: %p", dev);
+  g_message ("state change dev: %p", dev);
  elan_change_state (FP_IMAGE_DEVICE (dev));
 }

@@ -1015,10 +1005,7 @@ dev_change_state (FpImageDevice *dev, FpiImageDeviceState state)
    state = FPI_IMAGE_DEVICE_STATE_INACTIVE;

  if (self->dev_state_next == state)
-    {
-      fp_dbg ("change to state %d already queued", state);
-      return;
-    }
+    fp_dbg ("change to state %d already queued", state);

  switch (state)
    {
--- a/libfprint/drivers/goodixmoc/goodix.c
+++ b/libfprint/drivers/goodixmoc/goodix.c
--- a/libfprint/drivers/goodixmoc/goodix.h
+++ b/libfprint/drivers/goodixmoc/goodix.h
@@ -1,58 +0,0 @@
-/*
- * Goodix Moc driver for libfprint
- * Copyright (C) 2019 Shenzhen Goodix Technology Co., Ltd.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#pragma once
-
-#include "fpi-device.h"
-#include "fpi-ssm.h"
-
-G_DECLARE_FINAL_TYPE (FpiDeviceGoodixMoc, fpi_device_goodixmoc, FPI, DEVICE_GOODIXMOC, FpDevice)
-
-typedef enum {
-  FP_CMD_SEND = 0,
-  FP_CMD_GET_ACK,
-  FP_CMD_GET_DATA,
-  FP_CMD_NUM_STATES,
-} FpCmdState;
-
-
-typedef enum {
-  FP_INIT_VERSION = 0,
-  FP_INIT_CONFIG,
-  FP_INIT_NUM_STATES,
-} FpInitState;
-
-
-typedef enum {
-  FP_ENROLL_ENUM = 0,
-  FP_ENROLL_IDENTIFY,
-  FP_ENROLL_CREATE,
-  FP_ENROLL_CAPTURE,
-  FP_ENROLL_UPDATE,
-  FP_ENROLL_WAIT_FINGER_UP,
-  FP_ENROLL_CHECK_DUPLICATE,
-  FP_ENROLL_COMMIT,
-  FP_ENROLL_NUM_STATES,
-} FpEnrollState;
-
-typedef enum {
-  FP_VERIFY_CAPTURE = 0,
-  FP_VERIFY_IDENTIFY,
-  FP_VERIFY_NUM_STATES,
-} FpVerifyState;
--- a/libfprint/drivers/goodixmoc/goodix_proto.c
+++ b/libfprint/drivers/goodixmoc/goodix_proto.c
@@ -1,422 +0,0 @@
-/*
- * Goodix Moc driver for libfprint
- * Copyright (C) 2019 Shenzhen Goodix Technology Co., Ltd.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <glib.h>
-#include "goodix_proto.h"
-
-/*
- *  Crc functions
- */
-
-#define WIDTH (8 * sizeof (uint32_t))
-#define FINAL_XOR_VALUE 0xFFFFFFFF
-#define REFLECT_DATA(X)         ((uint8_t) reflect ((X), 8))
-#define REFLECT_REMAINDER(X)    ((unsigned int) reflect ((X), WIDTH))
-
-
-uint8_t
-gx_proto_crc8_calc (uint8_t *lubp_date, uint32_t lui_len)
-{
-  const uint8_t *data = lubp_date;
-  unsigned int crc = 0;
-  int i, j;
-
-  for (j = lui_len; j; j--, data++)
-    {
-      crc ^= (*data << 8);
-      for (i = 8; i; i--)
-        {
-          if (crc & 0x8000)
-            crc ^= (0x1070 << 3);
-          crc <<= 1;
-        }
-    }
-
-  crc >>= 8;
-  crc = ~crc;
-  return (uint8_t) crc;
-}
-
-typedef struct
-{
-  uint32_t crc;
-} gf_crc32_context;
-
-static uint32_t s_crc_table[256] =
-{ 0x0,         0x4c11db7,  0x9823b6e,  0xd4326d9, 0x130476dc, 0x17c56b6b, 0x1a864db2, 0x1e475005,
-  0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61, 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd,
-  0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
-  0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, 0x709f7b7a, 0x745e66cd,
-  0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039, 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5,
-  0xbe2b5b58, 0xbaea46ef, 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
-  0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95,
-  0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, 0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d,
-  0x34867077, 0x30476dc0, 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
-  0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x18aeb13,   0x54bf6a4,  0x808d07d,  0xcc9cdca,
-  0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde, 0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02,
-  0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
-  0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc, 0xb6238b25, 0xb2e29692,
-  0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6, 0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a,
-  0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
-  0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34, 0xdc3abded, 0xd8fba05a,
-  0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637, 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb,
-  0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
-  0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, 0x3f9b762c, 0x3b5a6b9b,
-  0x315d626,  0x7d4cb91,  0xa97ed48,  0xe56f0ff, 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623,
-  0xf12f560e, 0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
-  0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3,
-  0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, 0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b,
-  0x9b3660c6, 0x9ff77d71, 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
-  0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c,
-  0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8, 0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24,
-  0x119b4be9, 0x155a565e, 0x18197087, 0x1cd86d30, 0x29f3d35,  0x65e2082,   0xb1d065b,  0xfdc1bec,
-  0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a, 0x2d15ebe3, 0x29d4f654,
-  0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0, 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c,
-  0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
-  0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662, 0x933eb0bb, 0x97ffad0c,
-  0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668, 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4};
-
-static uint32_t
-reflect (uint32_t data, uint8_t n_bits)
-{
-  unsigned long reflection = 0x00000000;
-  uint8_t bit;
-
-  /*
-   * Reflect the data about the center bit.
-   */
-  for (bit = 0; bit < n_bits; ++bit)
-    {
-      /*
-       * If the LSB bit is set, set the reflection of it.
-       */
-      if (data & 0x01)
-        reflection |= (1 << ((n_bits - 1) - bit));
-
-      data = (data >> 1);
-    }
-
-  return reflection;
-
-}
-
-static void
-crc32_init (gf_crc32_context *ctx)
-{
-  ctx->crc = 0xFFFFFFFF;
-}
-
-static void
-crc32_update (gf_crc32_context *ctx, const uint8_t *message, uint32_t n_bytes)
-{
-  uint8_t data;
-  uint32_t byte;
-
-  /*
-   * Divide the message by the polynomial, a byte at a time.
-   */
-  for (byte = 0; byte < n_bytes; ++byte)
-    {
-      data = REFLECT_DATA (message[byte]) ^ (ctx->crc >> (WIDTH - 8));
-      ctx->crc = s_crc_table[data] ^ (ctx->crc << 8);
-    }
-}
-
-static void
-crc32_final (gf_crc32_context *ctx, uint8_t *md)
-{
-  ctx->crc = (REFLECT_REMAINDER (ctx->crc) ^ FINAL_XOR_VALUE);
-  memcpy (md, &ctx->crc, 4);
-}
-
-uint8_t
-gx_proto_crc32_calc (uint8_t *pchMsg, uint32_t wDataLen, uint8_t *pchMsgDst)
-{
-  gf_crc32_context context = { 0 };
-
-  if (!pchMsg)
-    return 0;
-
-  crc32_init (&context);
-
-  crc32_update (&context, pchMsg, wDataLen);
-
-  crc32_final (&context, pchMsgDst);
-
-
-  return 1;
-}
-/*
- *  protocol
- *
- */
-
-static uint8_t dump_seq = 0;
-
-static void
-init_pack_header (
-  ppack_header pheader,
-  uint16_t     len,
-  uint16_t     cmd,
-  uint8_t      packagenum
-                 )
-{
-  g_assert (pheader);
-
-  memset (pheader, 0, sizeof (*pheader));
-  pheader->cmd0 = HIBYTE (cmd);
-  pheader->cmd1 = LOBYTE (cmd);
-  pheader->packagenum = packagenum;
-  pheader->reserved = dump_seq++;
-  pheader->len = len + PACKAGE_CRC_SIZE;
-  pheader->crc8 = gx_proto_crc8_calc ((uint8_t *) pheader, 6);
-  pheader->rev_crc8 = ~pheader->crc8;
-}
-
-
-int
-gx_proto_build_package (uint8_t       *ppackage,
-                        uint32_t      *package_len,
-                        uint16_t       cmd,
-                        const uint8_t *payload,
-                        uint32_t       payload_size)
-{
-  pack_header header;
-
-  if (!ppackage || !package_len)
-    return -1;
-
-  if(*package_len < (payload_size + PACKAGE_HEADER_SIZE + PACKAGE_CRC_SIZE))
-    return -1;
-
-  init_pack_header (&header, payload_size, cmd, 0);
-
-  memcpy (ppackage, &header, PACKAGE_HEADER_SIZE);
-  memcpy (ppackage + PACKAGE_HEADER_SIZE, payload, payload_size);
-
-  gx_proto_crc32_calc (ppackage, PACKAGE_HEADER_SIZE + payload_size, ppackage + PACKAGE_HEADER_SIZE + payload_size);
-
-  return 0;
-}
-
-
-int
-gx_proto_parse_header (
-  uint8_t     *buffer,
-  uint32_t     buffer_len,
-  pack_header *pheader)
-{
-  if (!buffer || !pheader)
-    return -1;
-  if (buffer_len < PACKAGE_HEADER_SIZE)
-    return -1;
-
-  memcpy (pheader, buffer, sizeof (pack_header));
-
-  pheader->len = GUINT16_FROM_LE (*(buffer + 4));
-  pheader->len -= PACKAGE_CRC_SIZE;
-
-  return 0;
-}
-
-static int
-gx_proto_parse_fingerid (
-  uint8_t          * fid_buffer,
-  uint16_t           fid_buffer_size,
-  ptemplate_format_t template
-                        )
-{
-  uint8_t * buffer = NULL;
-  uint16_t Offset = 0;
-
-  if (!template || !fid_buffer)
-    return -1;
-
-  if (fid_buffer_size < 70)
-    return -1;
-
-  buffer = fid_buffer;
-  Offset = 0;
-
-  if (buffer[Offset++] != 67)
-    return -1;
-
-  template->type = buffer[Offset++];
-  template->finger_index = buffer[Offset++];
-  Offset++;
-
-  memcpy (template->accountid, &buffer[Offset], 32);
-  Offset += 32;
-
-  memcpy (template->tid, &buffer[Offset], 32);
-  Offset += 32;   // Offset == 68
-
-  template->payload.size = buffer[Offset++];
-  memset (template->payload.data, 0, 56);
-  memcpy (template->payload.data, &buffer[Offset], template->payload.size);
-
-  return 0;
-}
-
-int
-gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint32_t buffer_len, pgxfp_cmd_response_t presp)
-{
-  uint32_t offset = 0;
-  uint8_t *fingerlist = NULL;
-
-  if (!buffer || !presp)
-    return -1;
-  if (buffer_len < 1)
-    return -1;
-  presp->result = buffer[0];
-  switch (HIBYTE (cmd))
-    {
-    case RESPONSE_PACKAGE_CMD:
-      {
-        presp->parse_msg.ack_cmd = buffer[1];
-      }
-      break;
-
-    case MOC_CMD0_UPDATE_CONFIG:
-    case MOC_CMD0_COMMITENROLLMENT:
-    case MOC_CMD0_DELETETEMPLATE:
-      break;
-
-    case MOC_CMD0_GET_VERSION:
-      memcpy (&presp->version_info, buffer + 1, sizeof (gxfp_version_info_t));
-      break;
-
-    case MOC_CMD0_CAPTURE_DATA:
-      if (LOBYTE (cmd) == MOC_CMD1_DEFAULT)
-        {
-          presp->capture_data_resp.img_quality  = buffer[1];
-          presp->capture_data_resp.img_coverage = buffer[2];
-        }
-      break;
-
-    case MOC_CMD0_ENROLL_INIT:
-      if (presp->result == GX_SUCCESS)
-        memcpy (&presp->enroll_init.tid, &buffer[1], TEMPLATE_ID_SIZE);
-      break;
-
-    case MOC_CMD0_ENROLL:
-      presp->enroll_update.rollback = (buffer[0] < 0x80) ? false : true;
-      presp->enroll_update.img_overlay    = buffer[1];
-      presp->enroll_update.img_preoverlay = buffer[2];
-      break;
-
-    case MOC_CMD0_CHECK4DUPLICATE:
-      presp->check_duplicate_resp.duplicate = (presp->result == 0) ? false : true;
-      if (presp->check_duplicate_resp.duplicate)
-        {
-          uint16_t tid_size = GUINT16_FROM_LE (*(buffer + 1));
-          memcpy (&presp->check_duplicate_resp.template, buffer + 3, tid_size);
-        }
-      break;
-
-    case MOC_CMD0_GETFINGERLIST:
-      if (presp->result != GX_SUCCESS)
-        break;
-      presp->finger_list_resp.finger_num = buffer[1];
-      if (presp->finger_list_resp.finger_num > FP_MAX_FINGERNUM)
-        {
-          presp->finger_list_resp.finger_num = 0;
-          presp->result = GX_ERROR_NO_AVAILABLE_SPACE;
-          break;
-        }
-      fingerlist = buffer + 2;
-      for(uint8_t num = 0; num < presp->finger_list_resp.finger_num; num++)
-        {
-          uint16_t fingerid_length = GUINT16_FROM_LE (*(fingerlist + offset));
-          offset += 2;
-          if (gx_proto_parse_fingerid (fingerlist + offset,
-                                       fingerid_length,
-                                       &presp->finger_list_resp.finger_list[num]) != 0)
-            {
-              g_error ("parse fingerlist error");
-              presp->finger_list_resp.finger_num = 0;
-              presp->result = GX_FAILED;
-              break;
-            }
-          offset += fingerid_length;
-        }
-      break;
-
-    case MOC_CMD0_IDENTIFY:
-      {
-        uint32_t score = 0;
-        uint8_t study = 0;
-        uint16_t fingerid_size = 0;
-        presp->verify.match = (buffer[0] == 0) ? true : false;
-        if (presp->verify.match)
-          {
-            offset += 1;
-            presp->verify.rejectdetail = GUINT16_FROM_LE (*(buffer + offset));
-            offset += 2;
-            score = GUINT32_FROM_LE (*(buffer + offset));
-            offset += 4;
-            study = GUINT16_FROM_LE (*(buffer + offset));
-            offset += 1;
-            fingerid_size = GUINT16_FROM_LE (*(buffer + offset));
-            offset += 2;
-            if (gx_proto_parse_fingerid (buffer + offset, fingerid_size, &presp->verify.template) != 0)
-              {
-                presp->result = GX_FAILED;
-                break;
-              }
-            g_debug ("match, score: %d, study: %d", score, study);
-          }
-      }
-      break;
-
-    case MOC_CMD0_FINGER_MODE:
-      presp->finger_status.status = buffer[0];
-      break;
-
-    default:
-      break;
-    }
-
-  return 0;
-}
-
-static uint8_t sensor_config[26] = {
-  0x00, 0x00, 0x64, 0x50, 0x0f, 0x41, 0x08, 0x0a, 0x18, 0x00, 0x00, 0x23, 0x00,
-  0x00, 0x01, 0x01, 0x00, 0x01, 0x01, 0x01, 0x01, 0x00, 0x01, 0x01, 0x05, 0x05
-};
-
-int
-gx_proto_init_sensor_config (pgxfp_sensor_cfg_t pconfig)
-{
-  uint32_t crc32_calc = 0;
-
-  if (!pconfig)
-    return -1;
-  memset (pconfig, 0, sizeof (*pconfig));
-
-  //NOTICE: Do not change any value!
-  memcpy (&pconfig->config, sensor_config, 26);
-  pconfig->reserved[0] = 1;
-
-  gx_proto_crc32_calc ((uint8_t *) pconfig, sizeof (*pconfig) - PACKAGE_CRC_SIZE, (uint8_t *) &crc32_calc);
-
-  memcpy (pconfig->crc_value, &crc32_calc, PACKAGE_CRC_SIZE);
-
-  return 0;
-}
--- a/libfprint/drivers/goodixmoc/goodix_proto.h
+++ b/libfprint/drivers/goodixmoc/goodix_proto.h
@@ -1,232 +0,0 @@
-/*
- * Goodix Moc driver for libfprint
- * Copyright (C) 2019 Shenzhen Goodix Technology Co., Ltd.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#pragma once
-#include <stdint.h>
-#include <stdbool.h>
-#include <string.h>
-
-#define PACKAGE_CRC_SIZE (4)
-#define PACKAGE_HEADER_SIZE (8)
-
-#define FP_MAX_FINGERNUM (10)
-
-#define TEMPLATE_ID_SIZE (32)
-
-#define GX_VERSION_LEN (8)
-
-/* Type covert */
-#define MAKE_CMD_EX(cmd0, cmd1)    ((uint16_t) (((cmd0) << 8) | (cmd1)))
-#define LOBYTE(value) ((uint8_t) (value))
-#define HIBYTE(value) ((uint8_t) (((uint16_t) (value) >> 8) & 0xFF))
-
-
-/* Error code */
-#define GX_SUCCESS 0x00
-#define GX_FAILED 0x80
-#define GX_ERROR_FINGER_ID_NOEXIST 0x9C
-#define GX_ERROR_TEMPLATE_INCOMPLETE 0xB8
-#define GX_ERROR_WAIT_FINGER_UP_TIMEOUT 0xC7
-#define GX_ERROR_NO_AVAILABLE_SPACE 0x8F
-
-/* Command Type Define */
-#define RESPONSE_PACKAGE_CMD 0xAA
-
-#define MOC_CMD0_ENROLL 0xA0
-#define MOC_CMD0_ENROLL_INIT 0xA1
-#define MOC_CMD0_CAPTURE_DATA 0xA2
-#define MOC_CMD0_CHECK4DUPLICATE 0xA3
-#define MOC_CMD0_COMMITENROLLMENT 0xA4
-
-#define MOC_CMD0_IDENTIFY 0xA5
-#define MOC_CMD0_GETFINGERLIST 0xA6
-#define MOC_CMD0_DELETETEMPLATE 0xA7
-
-#define MOC_CMD1_DEFAULT 0x00
-#define MOC_CMD1_UNTIL_DOWN 0x00
-#define MOC_CMD1_WHEN_DOWN 0x01
-
-#define MOC_CMD1_DELETE_TEMPLATE 0x04
-#define MOC_CMD1_DELETE_ALL 0x01
-
-#define MOC_CMD0_GET_VERSION 0xD0
-
-#define MOC_CMD0_UPDATE_CONFIG 0xC0
-#define MOC_CMD1_NWRITE_CFG_TO_FLASH 0x00
-#define MOC_CMD1_WRITE_CFG_TO_FLASH 0x01
-
-#define MOC_CMD0_FINGER_MODE 0xB0
-#define MOC_CMD1_GET_FINGER_MODE 0x00
-#define MOC_CMD1_SET_FINGER_DOWN 0x01
-#define MOC_CMD1_SET_FINGER_UP 0x02
-/* */
-
-typedef struct _gxfp_version_info
-{
-  uint8_t format[2];
-  uint8_t fwtype[GX_VERSION_LEN];
-  uint8_t fwversion[GX_VERSION_LEN];
-  uint8_t customer[GX_VERSION_LEN];
-  uint8_t mcu[GX_VERSION_LEN];
-  uint8_t sensor[GX_VERSION_LEN];
-  uint8_t algversion[GX_VERSION_LEN];
-  uint8_t interface[GX_VERSION_LEN];
-  uint8_t protocol[GX_VERSION_LEN];
-  uint8_t flashVersion[GX_VERSION_LEN];
-  uint8_t reserved[62];
-} gxfp_version_info_t, *pgxfp_version_info_t;
-
-
-typedef struct _gxfp_parse_msg
-{
-  uint8_t ack_cmd;
-  bool    has_no_config;
-} gxfp_parse_msg_t, *pgxfp_parse_msg_t;
-
-
-typedef struct _gxfp_enroll_init
-{
-  uint8_t tid[TEMPLATE_ID_SIZE];
-} gxfp_enroll_init_t, *pgxfp_enroll_init_t;
-
-#pragma pack(push, 1)
-typedef struct _template_format
-{
-  uint8_t type;
-  uint8_t finger_index;
-  uint8_t accountid[32];
-  uint8_t tid[32];
-  struct
-  {
-    uint32_t size;
-    uint8_t  data[56];
-  } payload;
-  uint8_t reserve[2];
-} template_format_t, *ptemplate_format_t;
-
-#pragma pack(pop)
-
-
-typedef struct _gxfp_verify
-{
-  bool     match;
-  uint32_t rejectdetail;
-  template_format_t  template;
-} gxfp_verify_t, *pgxfp_verify_t;
-
-
-typedef struct _gxfp_capturedata
-{
-  uint8_t img_quality;
-  uint8_t img_coverage;
-} gxfp_capturedata_t, *pgxfp_capturedata_t;
-
-typedef struct _gxfp_check_duplicate
-{
-  bool duplicate;
-  template_format_t  template;
-} gxfp_check_duplicate_t, *pgxfp_check_duplicate_t;
-
-
-typedef struct _gxfp_enroll_update
-{
-  bool    rollback;
-  uint8_t img_overlay;
-  uint8_t img_preoverlay;
-} gxfp_enroll_update_t, *Pgxfp_enroll_update_t;
-
-typedef struct _gxfp_enum_fingerlist
-{
-  uint8_t           finger_num;
-  template_format_t finger_list[FP_MAX_FINGERNUM];
-} gxfp_enum_fingerlist_t, *pgxfp_enum_fingerlist_t;
-
-typedef struct _gxfp_enroll_commit
-{
-  uint8_t result;
-} gxfp_enroll_commit_t, *pgxfp_enroll_commit_t;
-
-typedef struct _fp_finger_status
-{
-  uint8_t status;
-} fp_finger_status_t, *pfp_finger_status_t;
-
-
-typedef struct _fp_cmd_response
-{
-  uint8_t result;
-  union
-  {
-    gxfp_parse_msg_t       parse_msg;
-    gxfp_verify_t          verify;
-    gxfp_enroll_init_t     enroll_init;
-    gxfp_capturedata_t     capture_data_resp;
-    gxfp_check_duplicate_t check_duplicate_resp;
-    gxfp_enroll_commit_t   enroll_commit;
-    gxfp_enroll_update_t   enroll_update;
-    gxfp_enum_fingerlist_t finger_list_resp;
-    gxfp_version_info_t    version_info;
-    fp_finger_status_t     finger_status;
-  };
-} gxfp_cmd_response_t, *pgxfp_cmd_response_t;
-
-
-typedef struct _pack_header
-{
-  uint8_t  cmd0;
-  uint8_t  cmd1;
-  uint8_t  packagenum;
-  uint8_t  reserved;
-  uint16_t len;
-  uint8_t  crc8;
-  uint8_t  rev_crc8;
-} pack_header, *ppack_header;
-
-
-typedef struct _gxfp_sensor_cfg
-{
-  uint8_t config[26];
-  uint8_t reserved[98];
-  uint8_t crc_value[4];
-} gxfp_sensor_cfg_t, *pgxfp_sensor_cfg_t;
-/* */
-
-int gx_proto_build_package (uint8_t       *ppackage,
-                            uint32_t      *package_len,
-                            uint16_t       cmd,
-                            const uint8_t *payload,
-                            uint32_t       payload_size);
-
-int gx_proto_parse_header (uint8_t     *buffer,
-                           uint32_t     buffer_len,
-                           pack_header *pheader);
-
-int gx_proto_parse_body (uint16_t             cmd,
-                         uint8_t             *buffer,
-                         uint32_t             buffer_len,
-                         pgxfp_cmd_response_t presponse);
-
-int gx_proto_init_sensor_config (pgxfp_sensor_cfg_t pconfig);
-
-uint8_t gx_proto_crc8_calc (uint8_t *lubp_date,
-                            uint32_t lui_len);
-
-uint8_t gx_proto_crc32_calc (uint8_t *pchMsg,
-                             uint32_t wDataLen,
-                             uint8_t *pchMsgDst);
--- a/libfprint/drivers/synaptics/bmkt_message.c
+++ b/libfprint/drivers/synaptics/bmkt_message.c
@@ -206,7 +206,6 @@ parse_get_enrolled_users_report (bmkt_msg_resp_t *msg_resp, bmkt_response_t *res
  get_enroll_templates_resp->query_sequence = extract8 (msg_resp->payload, &offset);

  int n = 0;
-
  for (n = 0; n < BMKT_MAX_NUM_TEMPLATES_INTERNAL_FLASH; n++)
    {
      if (offset >= msg_resp->payload_len)
--- a/libfprint/drivers/synaptics/synaptics.c
+++ b/libfprint/drivers/synaptics/synaptics.c
@@ -29,8 +29,7 @@ G_DEFINE_TYPE (FpiDeviceSynaptics, fpi_device_synaptics, FP_TYPE_DEVICE)

 static const FpIdEntry id_table[] = {
  { .vid = SYNAPTICS_VENDOR_ID,  .pid = 0xBD,  },
-  { .vid = SYNAPTICS_VENDOR_ID,  .pid = 0xE9,  },
-  { .vid = SYNAPTICS_VENDOR_ID,  .pid = 0xDF,  },
+
  { .vid = 0,  .pid = 0,  .driver_data = 0 },   /* terminating entry */
 };

@@ -898,7 +897,6 @@ dev_probe (FpDevice *device)
  const guint8 *data;
  gboolean read_ok = TRUE;
  g_autofree gchar *serial = NULL;
-  gboolean retry = TRUE;

  G_DEBUG_HERE ();

@@ -916,43 +914,35 @@ dev_probe (FpDevice *device)
  if (!g_usb_device_claim_interface (usb_dev, 0, 0, &error))
    goto err_close;

-  while(1)
+  /* TODO: Do not do this synchronous. */
+  transfer = fpi_usb_transfer_new (device);
+  fpi_usb_transfer_fill_bulk (transfer, USB_EP_REQUEST, SENSOR_FW_CMD_HEADER_LEN);
+  transfer->short_is_error = TRUE;
+  transfer->buffer[0] = SENSOR_CMD_GET_VERSION;
+  if (!fpi_usb_transfer_submit_sync (transfer, 1000, &error))
+    goto err_close;
+
+  g_clear_pointer (&transfer, fpi_usb_transfer_unref);
+  transfer = fpi_usb_transfer_new (device);
+  fpi_usb_transfer_fill_bulk (transfer, USB_EP_REPLY, 40);
+  if (!fpi_usb_transfer_submit_sync (transfer, 1000, &error))
+    goto err_close;
+
+  fpi_byte_reader_init (&reader, transfer->buffer, transfer->actual_length);
+
+  if (!fpi_byte_reader_get_uint16_le (&reader, &status))
    {
-      /* TODO: Do not do this synchronous. */
-      transfer = fpi_usb_transfer_new (device);
-      fpi_usb_transfer_fill_bulk (transfer, USB_EP_REQUEST, SENSOR_FW_CMD_HEADER_LEN);
-      transfer->short_is_error = TRUE;
-      transfer->buffer[0] = SENSOR_CMD_GET_VERSION;
-      if (!fpi_usb_transfer_submit_sync (transfer, 1000, &error))
-        goto err_close;
-
-      g_clear_pointer (&transfer, fpi_usb_transfer_unref);
-      transfer = fpi_usb_transfer_new (device);
-      fpi_usb_transfer_fill_bulk (transfer, USB_EP_REPLY, 40);
-      if (!fpi_usb_transfer_submit_sync (transfer, 1000, &error))
-        goto err_close;
-
-      fpi_byte_reader_init (&reader, transfer->buffer, transfer->actual_length);
-
-      if (!fpi_byte_reader_get_uint16_le (&reader, &status))
-        {
-          g_warning ("Transfer in response to version query was too short");
-          error = fpi_device_error_new (FP_DEVICE_ERROR_PROTO);
-          goto err_close;
-        }
-      if (status != 0)
-        {
-          g_warning ("Device responded with error: %d retry: %d", status, retry);
-          if(retry)
-            {
-              retry = FALSE;
-              continue;
-            }
-          error = fpi_device_error_new (FP_DEVICE_ERROR_PROTO);
-          goto err_close;
-        }
-      break;
+      g_warning ("Transfer in response to version query was too short");
+      error = fpi_device_error_new (FP_DEVICE_ERROR_PROTO);
+      goto err_close;
    }
+  if (status != 0)
+    {
+      g_warning ("Device responded with error: %d", status);
+      error = fpi_device_error_new (FP_DEVICE_ERROR_PROTO);
+      goto err_close;
+    }
+
  read_ok &= fpi_byte_reader_get_uint32_le (&reader, &self->mis_version.build_time);
  read_ok &= fpi_byte_reader_get_uint32_le (&reader, &self->mis_version.build_num);
  read_ok &= fpi_byte_reader_get_uint8 (&reader, &self->mis_version.version_major);
--- a/libfprint/drivers/upeksonly.c
+++ b/libfprint/drivers/upeksonly.c
@@ -47,11 +47,17 @@ enum {
 enum sonly_kill_transfers_action {
  NOT_KILLING = 0,

+  /* abort a SSM with an error code */
+  ABORT_SSM,
+
  /* report an image session error */
  IMG_SESSION_ERROR,

  /* iterate a SSM to the next state */
  ITERATE_SSM,
+
+  /* call a callback */
+  EXEC_CALLBACK,
 };

 enum sonly_fs {
@@ -91,9 +97,13 @@ struct _FpiDeviceUpeksonly

  enum sonly_kill_transfers_action killing_transfers;
  GError                          *kill_error;
-  FpiSsm                          *kill_ssm;
+  union
+  {
+    FpiSsm *kill_ssm;
+    void    (*kill_cb)(FpImageDevice *dev);
+  };

-  struct fpi_line_asmbl_ctx        assembling_ctx;
+  struct fpi_line_asmbl_ctx assembling_ctx;
 };
 G_DECLARE_FINAL_TYPE (FpiDeviceUpeksonly, fpi_device_upeksonly, FPI,
                      DEVICE_UPEKSONLY, FpImageDevice);
@@ -166,6 +176,11 @@ last_transfer_killed (FpImageDevice *dev)

  switch (self->killing_transfers)
    {
+    case ABORT_SSM:
+      fp_dbg ("abort ssm error %s", self->kill_error->message);
+      fpi_ssm_mark_failed (self->kill_ssm, g_steal_pointer (&self->kill_error));
+      return;
+
    case ITERATE_SSM:
      fp_dbg ("iterate ssm");
      fpi_ssm_next_state (self->kill_ssm);
@@ -516,14 +531,6 @@ img_data_cb (FpiUsbTransfer *transfer, FpDevice *device,
      return;
    }

-  /* NOTE: The old code assume 4096 bytes are received each time
-   * but there is no reason we need to enforce that. However, we
-   * always need full lines. */
-  if (transfer->actual_length % 64 != 0)
-    error = fpi_device_error_new_msg (FP_DEVICE_ERROR_PROTO,
-                                      "Data packets need to be multiple of 64 bytes, got %zi bytes",
-                                      transfer->actual_length);
-
  if (error)
    {
      fp_warn ("bad status %s, terminating session", error->message);
@@ -544,7 +551,7 @@ img_data_cb (FpiUsbTransfer *transfer, FpDevice *device,
   * the first 2 bytes are a sequence number
   * then there are 62 bytes for image data
   */
-  for (i = 0; i + 64 <= transfer->actual_length; i += 64)
+  for (i = 0; i < 4096; i += 64)
    {
      if (!is_capturing (self))
        return;
@@ -553,7 +560,7 @@ img_data_cb (FpiUsbTransfer *transfer, FpDevice *device,

  if (is_capturing (self))
    {
-      fpi_usb_transfer_submit (fpi_usb_transfer_ref (transfer),
+      fpi_usb_transfer_submit (transfer,
                               0,
                               self->img_cancellable,
                               img_data_cb,
@@ -581,8 +588,6 @@ write_regs_finished (struct write_regs_data *wrdata, GError *error)
    fpi_ssm_next_state (wrdata->ssm);
  else
    fpi_ssm_mark_failed (wrdata->ssm, error);
-
-  g_free (wrdata);
 }

 static void write_regs_iterate (struct write_regs_data *wrdata);
@@ -629,9 +634,9 @@ write_regs_iterate (struct write_regs_data *wrdata)
                                 1);
  transfer->short_is_error = TRUE;
  transfer->ssm = wrdata->ssm;
-  transfer->buffer[0] = regwrite->value;
+  fpi_usb_transfer_submit (transfer, CTRL_TIMEOUT, NULL, write_regs_cb, NULL);

-  fpi_usb_transfer_submit (transfer, CTRL_TIMEOUT, NULL, write_regs_cb, wrdata);
+  transfer->buffer[0] = regwrite->value;
 }

 static void
@@ -670,10 +675,10 @@ sm_write_reg (FpiSsm        *ssm,
                                 1);
  transfer->short_is_error = TRUE;
  transfer->ssm = ssm;
-  transfer->buffer[0] = value;
-
  fpi_usb_transfer_submit (transfer, CTRL_TIMEOUT, NULL,
                           fpi_ssm_usb_transfer_cb, NULL);
+
+  transfer->buffer[0] = value;
 }

 static void
@@ -903,7 +908,7 @@ capsm_fire_bulk (FpiSsm   *ssm,
  self->img_cancellable = g_cancellable_new ();
  for (i = 0; i < self->img_transfers->len; i++)
    {
-      fpi_usb_transfer_submit (fpi_usb_transfer_ref (g_ptr_array_index (self->img_transfers, i)),
+      fpi_usb_transfer_submit (g_ptr_array_index (self->img_transfers, i),
                               0,
                               self->img_cancellable,
                               img_data_cb,
@@ -1401,12 +1406,8 @@ dev_activate (FpImageDevice *dev)
  self->capturing = FALSE;

  self->num_flying = 0;
-  self->img_transfers = g_ptr_array_new_with_free_func ((GFreeFunc) fpi_usb_transfer_unref);

-  /* This might seem odd, but we do need multiple in-flight URBs so that
-   * we never stop polling the device for more data.
-   */
-  for (i = 0; i < NUM_BULK_TRANSFERS; i++)
+  for (i = 0; i < self->img_transfers->len; i++)
    {
      FpiUsbTransfer *transfer;

--- a/libfprint/drivers/upektc_img.c
+++ b/libfprint/drivers/upektc_img.c
@@ -310,7 +310,6 @@ capture_read_data_cb (FpiUsbTransfer *transfer, FpDevice *device,
          fp_dbg ("Image size is %lu\n",
                  self->image_size);
          img = fp_image_new (IMAGE_WIDTH, IMAGE_HEIGHT);
-          img->flags |= FPI_IMAGE_PARTIAL;
          memcpy (img->data, self->image_bits,
                  IMAGE_SIZE);
          fpi_image_device_image_captured (dev, img);
--- a/libfprint/drivers/upekts.c
+++ b/libfprint/drivers/upekts.c
@@ -35,6 +35,7 @@
 #define TIMEOUT 5000

 #define MSG_READ_BUF_SIZE 0x40
+#define MAX_DATA_IN_READ_BUF (MSG_READ_BUF_SIZE - 9)

 struct _FpiDeviceUpekts
 {
@@ -235,18 +236,12 @@ __handle_incoming_msg (FpDevice             *device,
 {
  GError *error = NULL;
  guint8 *buf = udata->buffer;
-  guint16 len;
-  guint16 computed_crc;
-  guint16 msg_crc;
+  guint16 len = ((buf[5] & 0xf) << 8) | buf[6];
+  guint16 computed_crc = udf_crc (buf + 4, len + 3);
+  guint16 msg_crc = (buf[len + 8] << 8) | buf[len + 7];
+  unsigned char *retdata = NULL;
  unsigned char code_a, code_b;

-  g_assert (udata->buflen >= 6);
-  len = ((buf[5] & 0xf) << 8) | buf[6];
-
-  g_assert (udata->buflen >= len + 9);
-  computed_crc = udf_crc (buf + 4, len + 3);
-  msg_crc = (buf[len + 8] << 8) | buf[len + 7];
-
  if (computed_crc != msg_crc)
    {
      fp_err ("CRC failed, got %04x expected %04x", msg_crc, computed_crc);
@@ -272,7 +267,12 @@ __handle_incoming_msg (FpDevice             *device,
          return;
        }

-      udata->callback (device, READ_MSG_CMD, code_a, 0, buf + 7, len,
+      if (len > 0)
+        {
+          retdata = g_malloc (len);
+          memcpy (retdata, buf + 7, len);
+        }
+      udata->callback (device, READ_MSG_CMD, code_a, 0, retdata, len,
                       udata->user_data, NULL);
      goto done;
    }
@@ -309,8 +309,14 @@ __handle_incoming_msg (FpDevice             *device,
      innerlen = innerlen - 3;
      _subcmd = innerbuf[5];
      fp_dbg ("device responds to subcmd %x with %d bytes", _subcmd, innerlen);
+      if (innerlen > 0)
+        {
+          retdata = g_malloc (innerlen);
+          memcpy (retdata, innerbuf + 6, innerlen);
+        }
      udata->callback (device, READ_MSG_RESPONSE, code_b, _subcmd,
-                       innerbuf + 6, innerlen, udata->user_data, NULL);
+                       retdata, innerlen, udata->user_data, NULL);
+      g_free (retdata);
      goto done;
    }
  else
@@ -352,8 +358,7 @@ read_msg_cb (FpiUsbTransfer *transfer, FpDevice *device,
             gpointer user_data, GError *error)
 {
  struct read_msg_data *udata = user_data;
-  guint16 payload_len;
-  gsize packet_len;
+  guint16 len;

  if (error)
    {
@@ -378,15 +383,14 @@ read_msg_cb (FpiUsbTransfer *transfer, FpDevice *device,
      goto err;
    }

-  payload_len = ((udata->buffer[5] & 0xf) << 8) | udata->buffer[6];
-  packet_len = payload_len + 9;
+  len = ((udata->buffer[5] & 0xf) << 8) | udata->buffer[6];
  if (transfer->actual_length != MSG_READ_BUF_SIZE &&
-      packet_len > transfer->actual_length)
+      (len + 9) > transfer->actual_length)
    {
      /* Check that the length claimed inside the message is in line with
       * the amount of data that was transferred over USB. */
      fp_err ("msg didn't include enough data, expected=%d recv=%d",
-              (gint) packet_len, (gint) transfer->actual_length);
+              len + 9, (gint) transfer->actual_length);
      error = fpi_device_error_new_msg (FP_DEVICE_ERROR_PROTO,
                                        "Packet from device didn't include data");
      goto err;
@@ -395,14 +399,14 @@ read_msg_cb (FpiUsbTransfer *transfer, FpDevice *device,
  /* We use a 64 byte buffer for reading messages. However, sometimes
   * messages are longer, in which case we have to do another USB bulk read
   * to read the remainder. This is handled below. */
-  if (packet_len > MSG_READ_BUF_SIZE)
+  if (len > MAX_DATA_IN_READ_BUF)
    {
-      int needed = packet_len - MSG_READ_BUF_SIZE;
+      int needed = len - MAX_DATA_IN_READ_BUF;
      FpiUsbTransfer *etransfer = fpi_usb_transfer_new (device);

      fp_dbg ("didn't fit in buffer, need to extend by %d bytes", needed);
-      udata->buffer = g_realloc ((gpointer) udata->buffer, packet_len);
-      udata->buflen = packet_len;
+      udata->buffer = g_realloc ((gpointer) udata->buffer, len);
+      udata->buflen = len;

      fpi_usb_transfer_fill_bulk_full (etransfer, EP_IN,
                                       udata->buffer + MSG_READ_BUF_SIZE,
@@ -696,7 +700,7 @@ initsm_run_state (FpiSsm *ssm, FpDevice *dev)
      break;

    case SEND_RESP03:;
-      transfer = alloc_send_cmdresponse_transfer (dev, ++upekdev->seq, init_resp03, sizeof (init_resp03));
+      transfer = alloc_send_cmd28_transfer (dev, ++upekdev->seq, init_resp03, sizeof (init_resp03));
      transfer->ssm = ssm;
      transfer->short_is_error = TRUE;
      fpi_usb_transfer_submit (transfer, TIMEOUT, NULL, fpi_ssm_usb_transfer_cb, NULL);
@@ -853,15 +857,22 @@ dev_init (FpDevice *dev)
 }

 static void
-dev_exit (FpDevice *dev)
+deinitsm_done (FpiSsm *ssm, FpDevice *dev, GError *error)
 {
-  GError *error = NULL;
-
-  g_usb_device_release_interface (fpi_device_get_usb_device (dev), 0, 0, &error);
+  g_usb_device_release_interface (fpi_device_get_usb_device (dev), 0, 0, NULL);

  fpi_device_close_complete (dev, error);
 }

+static void
+dev_exit (FpDevice *dev)
+{
+  FpiSsm *ssm;
+
+  ssm = fpi_ssm_new (dev, deinitsm_state_handler, DEINITSM_NUM_STATES);
+  fpi_ssm_start (ssm, deinitsm_done);
+}
+
 static const unsigned char enroll_init[] = {
  0x02, 0xc0, 0xd4, 0x01, 0x00, 0x04, 0x00, 0x08
 };
@@ -972,9 +983,7 @@ enroll_stop_deinit_cb (FpiSsm *ssm, FpDevice *dev, GError *error)
  if (error)
    fp_warn ("Error deinitializing: %s", error->message);

-  fpi_device_enroll_complete (dev,
-                              g_steal_pointer (&data->print),
-                              g_steal_pointer (&data->error));
+  fpi_device_enroll_complete (dev, data->print, data->error);
 }

 static void
@@ -983,7 +992,7 @@ do_enroll_stop (FpDevice *dev, FpPrint *print, GError *error)
  EnrollStopData *data = g_new0 (EnrollStopData, 1);
  FpiSsm *ssm = deinitsm_new (dev, data);

-  data->print = print;
+  data->print = g_object_ref (print);
  data->error = error;

  fpi_ssm_start (ssm, enroll_stop_deinit_cb);
@@ -1118,7 +1127,6 @@ e_handle_resp02 (FpDevice *dev, unsigned char *data,
                                           data_len - sizeof (scan_comp),
                                           1);

-      fpi_print_set_type (print, FPI_PRINT_RAW);
      g_object_set (print, "fpi-data", fp_data, NULL);
      g_object_ref (print);
    }
@@ -1237,11 +1245,11 @@ verify_stop_deinit_cb (FpiSsm *ssm, FpDevice *dev, GError *error)
    fp_warn ("Error deinitializing: %s", error->message);

  if (data->error)
-    fpi_device_verify_complete (dev, g_steal_pointer (&data->error));
+    fpi_device_verify_complete (dev, data->error);
  else
    fpi_device_verify_complete (dev, g_steal_pointer (&error));

-  g_clear_error (&error);
+  g_error_free (error);
 }

 static void
@@ -1251,7 +1259,7 @@ do_verify_stop (FpDevice *dev, FpiMatchResult res, GError *error)
  FpiSsm *ssm = deinitsm_new (dev, data);

  /* Report the error immediately if possible, otherwise delay it. */
-  if (error && error->domain == FP_DEVICE_RETRY)
+  if (!error && error->domain != FP_DEVICE_RETRY)
    fpi_device_verify_report (dev, res, NULL, error);
  else
    data->error = error;
@@ -1293,7 +1301,7 @@ verify_start_sm_run_state (FpiSsm *ssm, FpDevice *dev)

    case VERIFY_INIT:
      fpi_device_get_verify_data (dev, &print);
-      g_object_get (print, "fpi-data", &fp_data, NULL);
+      g_object_get (dev, "fpi-data", &fp_data, NULL);

      data = g_variant_get_fixed_array (fp_data, &data_len, 1);

--- a/libfprint/drivers/uru4000.c
+++ b/libfprint/drivers/uru4000.c
@@ -81,7 +81,7 @@ static const struct uru4k_dev_profile
 {
  const char *name;
  gboolean    auth_cr;
-  gboolean    image_not_flipped;
+  gboolean    encryption;
 } uru4k_dev_info[] = {
  [MS_KBD] = {
    .name = "Microsoft Keyboard with Fingerprint Reader",
@@ -106,7 +106,7 @@ static const struct uru4k_dev_profile
  [DP_URU4000B] = {
    .name = "Digital Persona U.are.U 4000B",
    .auth_cr = FALSE,
-    .image_not_flipped = TRUE, /* See comment in the code where it is used. */
+    .encryption = TRUE,
  },
 };

@@ -680,17 +680,17 @@ imaging_run_state (FpiSsm *ssm, FpDevice *_dev)
          fpi_ssm_jump_to_state (ssm, IMAGING_CAPTURE);
          return;
        }
-
-      /* Detect whether image is encrypted (by checking how noisy it is) */
-      dev2 = calc_dev2 (img);
-      fp_dbg ("dev2: %d", dev2);
-      if (dev2 < ENC_THRESHOLD)
+      if (!self->profile->encryption)
        {
-          fpi_ssm_jump_to_state (ssm, IMAGING_REPORT_IMAGE);
-          return;
+          dev2 = calc_dev2 (img);
+          fp_dbg ("dev2: %d", dev2);
+          if (dev2 < ENC_THRESHOLD)
+            {
+              fpi_ssm_jump_to_state (ssm, IMAGING_REPORT_IMAGE);
+              return;
+            }
+          fp_info ("image seems to be encrypted");
        }
-      fp_info ("image seems to be encrypted");
-
      buf[0] = img->key_number;
      buf[1] = self->img_enc_seed;
      buf[2] = self->img_enc_seed >> 8;
@@ -769,13 +769,7 @@ imaging_run_state (FpiSsm *ssm, FpDevice *_dev)
        }

      fpimg->flags = FPI_IMAGE_COLORS_INVERTED;
-      /* NOTE: For some reason all but U4000B (or rather U4500?) flipped the
-       * image, we retain this behaviour here, but it is not clear whether it
-       * is correct.
-       * It may be that there are different models with the same USB ID that
-       * behave differently.
-       */
-      if (self->profile->image_not_flipped)
+      if (!self->profile->encryption)
        fpimg->flags |= FPI_IMAGE_V_FLIPPED | FPI_IMAGE_H_FLIPPED;
      fpi_image_device_image_captured (dev, fpimg);

--- a/libfprint/drivers/vfs0050.c
+++ b/libfprint/drivers/vfs0050.c
@@ -117,10 +117,9 @@ async_abort_callback (FpiUsbTransfer *transfer, FpDevice *device,
  int ep = transfer->endpoint;

  /* In normal case endpoint is empty */
-  if (g_error_matches (error, G_USB_DEVICE_ERROR, G_USB_DEVICE_ERROR_TIMED_OUT) ||
-      (g_strcmp0 (g_getenv ("FP_DEVICE_EMULATION"), "1") == 0 && transfer->actual_length == 0))
+  if (g_error_matches (error, G_USB_DEVICE_ERROR, G_USB_DEVICE_ERROR_TIMED_OUT))
    {
-      g_clear_error (&error);
+      g_error_free (error);
      fpi_ssm_next_state (transfer->ssm);
      return;
    }
@@ -157,8 +156,6 @@ async_abort (FpDevice *dev, FpiSsm *ssm, int ep)
  else
    fpi_usb_transfer_fill_bulk (transfer, ep, VFS_USB_BUFFER_SIZE);

-  transfer->ssm = ssm;
-
  fpi_usb_transfer_submit (transfer, VFS_USB_ABORT_TIMEOUT, NULL,
                           async_abort_callback, NULL);
 }
@@ -243,7 +240,6 @@ prepare_image (FpDeviceVfs0050 *vdev)

  /* Building GSList */
  GSList *lines = NULL;
-
  for (int i = height - 1; i >= 0; --i)
    lines = g_slist_prepend (lines, vdev->lines_buffer + i);

@@ -468,8 +464,8 @@ receive_callback (FpiUsbTransfer *transfer, FpDevice *device,
  if (error)
    g_error_free (error);

-  /* Capture is done when there is no more data to transfer or device timed out */
-  if (transfer->actual_length <= 0)
+  /* Check if fingerprint data is over */
+  if (transfer->actual_length == 0)
    {
      fpi_ssm_next_state (transfer->ssm);
    }
@@ -477,7 +473,7 @@ receive_callback (FpiUsbTransfer *transfer, FpDevice *device,
    {
      self->bytes += transfer->actual_length;

-      /* Try reading more data */
+      /* We need more data */
      fpi_ssm_jump_to_state (transfer->ssm,
                             fpi_ssm_get_cur_state (transfer->ssm));
    }
@@ -599,7 +595,8 @@ activate_ssm (FpiSsm *ssm, FpDevice *dev)
        /* Receive chunk of data */
        transfer = fpi_usb_transfer_new (dev);
        fpi_usb_transfer_fill_bulk_full (transfer, 0x82,
-                                         (guint8 *) self->lines_buffer + self->bytes,
+                                         (guint8 *)
+                                         (self->lines_buffer + self->bytes),
                                         VFS_USB_BUFFER_SIZE, NULL);
        transfer->ssm = ssm;
        fpi_usb_transfer_submit (transfer, VFS_USB_TIMEOUT, NULL,
@@ -671,7 +668,6 @@ dev_activate (FpImageDevice *idev)
  self->ssm_active = 1;

  FpiSsm *ssm = fpi_ssm_new (FP_DEVICE (idev), activate_ssm, SSM_STATES);
-
  fpi_ssm_start (ssm, dev_activate_callback);
 }

@@ -715,7 +711,6 @@ dev_open (FpImageDevice *idev)

  /* Clearing previous device state */
  FpiSsm *ssm = fpi_ssm_new (FP_DEVICE (idev), activate_ssm, SSM_STATES);
-
  fpi_ssm_start (ssm, dev_open_callback);
 }

--- a/libfprint/drivers/vfs301_proto.c
+++ b/libfprint/drivers/vfs301_proto.c
@@ -177,7 +177,6 @@ translate_str (const char **srcL, gssize *len)
      src_len += tmp;
    }

-  g_assert (src_len >= 2);
  *len = src_len / 2;
  res = g_malloc0 (*len);
  dst = res;
@@ -438,7 +437,7 @@ img_process_data (int first_block, FpDeviceVfs301 *dev, const guint8 *buf, int l
    usb_send (dev, data, len, NULL); \
  }

-#define RAW_DATA(x) g_memdup (x, sizeof (x)), sizeof (x)
+#define RAW_DATA(x) x, sizeof (x)

 #define IS_VFS301_FP_SEQ_START(b) ((b[0] == 0x01) && (b[1] == 0xfe))

--- a/libfprint/drivers/vfs5011.c
+++ b/libfprint/drivers/vfs5011.c
@@ -381,8 +381,9 @@ submit_image (FpiSsm          *ssm,
 {
  FpImage *img;

-  if (self->lines_recorded < VFS5011_IMAGE_WIDTH)
+  if (self->lines_recorded == 0)
    {
+      /* == FP_ENROLL_RETRY_TOO_SHORT */
      fpi_image_device_retry_scan (dev, FP_DEVICE_RETRY_TOO_SHORT);
      return;
    }
--- a/libfprint/drivers/virtual-device.c
+++ b/libfprint/drivers/virtual-device.c
@@ -0,0 +1,456 @@
+/*
+ * Virtual driver for "simple" device debugging
+ *
+ * Copyright (C) 2019 Benjamin Berg <bberg@redhat.com>
+ * Copyright (C) 2020 Bastien Nocera <hadess@hadess.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/*
+ * This is a virtual driver to debug the non-image based drivers. A small
+ * python script is provided to connect to it via a socket, allowing
+ * prints to registered programmatically.
+ * Using this, it is possible to test libfprint and fprintd.
+ */
+
+#define FP_COMPONENT "virtual_device"
+
+#include "fpi-log.h"
+
+#include "../fpi-device.h"
+
+#include <glib/gstdio.h>
+#include <gio/gio.h>
+#include <gio/gunixsocketaddress.h>
+
+#define MAX_LINE_LEN 1024
+
+enum {
+  VIRTUAL_DEVICE,
+  VIRTUAL_DEVICE_IDENT
+};
+
+struct _FpDeviceVirtualDevice
+{
+  FpDevice           parent;
+
+  GSocketListener   *listener;
+  GSocketConnection *connection;
+  GCancellable      *cancellable;
+
+  gint               socket_fd;
+  gint               client_fd;
+  guint              line[MAX_LINE_LEN];
+
+  GHashTable        *pending_prints; /* key: finger+username value: gboolean */
+};
+
+G_DECLARE_FINAL_TYPE (FpDeviceVirtualDevice, fpi_device_virtual_device, FP, DEVICE_VIRTUAL_DEVICE, FpDevice)
+G_DEFINE_TYPE (FpDeviceVirtualDevice, fpi_device_virtual_device, FP_TYPE_DEVICE)
+
+static void start_listen (FpDeviceVirtualDevice *self);
+
+#define ADD_CMD_PREFIX "ADD "
+
+static FpFinger
+str_to_finger (const char *str)
+{
+  g_autoptr(GEnumClass) eclass;
+  GEnumValue *value;
+
+  eclass = g_type_class_ref (FP_TYPE_FINGER);
+  value = g_enum_get_value_by_nick (eclass, str);
+
+  if (value == NULL)
+    return FP_FINGER_UNKNOWN;
+
+  return value->value;
+}
+
+static const char *
+finger_to_str (FpFinger finger)
+{
+  GEnumClass *eclass;
+  GEnumValue *value;
+
+  eclass = g_type_class_ref (FP_TYPE_FINGER);
+  value = g_enum_get_value (eclass, finger);
+  g_type_class_unref (eclass);
+
+  if (value == NULL)
+    return NULL;
+
+  return value->value_nick;
+}
+
+static gboolean
+parse_code (const char *str)
+{
+  if (g_strcmp0 (str, "1") == 0 ||
+      g_strcmp0 (str, "success") == 0 ||
+      g_strcmp0 (str, "SUCCESS") == 0 ||
+      g_strcmp0 (str, "FPI_MATCH_SUCCESS") == 0)
+    return FPI_MATCH_SUCCESS;
+
+  return FPI_MATCH_FAIL;
+}
+
+static void
+handle_command_line (FpDeviceVirtualDevice *self,
+                     const char            *line)
+{
+  if (g_str_has_prefix (line, ADD_CMD_PREFIX))
+    {
+      g_auto(GStrv) elems;
+      FpPrint *print;
+      FpFinger finger;
+      gboolean success;
+      g_autofree char *description = NULL;
+      char *key;
+
+      /* Syntax: ADD <finger> <username> <error when used> */
+      elems = g_strsplit (line + strlen (ADD_CMD_PREFIX), " ", 3);
+      if (g_strv_length (elems) != 3)
+        {
+          g_warning ("Malformed command: %s", line);
+          return;
+        }
+      finger = str_to_finger (elems[0]);
+      if (finger == FP_FINGER_UNKNOWN)
+        {
+          g_warning ("Unknown finger '%s'", elems[0]);
+          return;
+        }
+      print = fp_print_new (FP_DEVICE (self));
+      fp_print_set_finger (print, finger);
+      fp_print_set_username (print, elems[1]);
+      description = g_strdup_printf ("Fingerprint finger '%s' for user '%s'",
+                                     elems[0], elems[1]);
+      fp_print_set_description (print, description);
+      success = parse_code (elems[2]);
+
+      key = g_strdup_printf ("%s-%s", elems[0], elems[1]);
+      g_hash_table_insert (self->pending_prints,
+                           key, GINT_TO_POINTER (success));
+
+      fp_dbg ("Added pending print %s for user %s (code: %s)",
+              elems[0], elems[1], success ? "FPI_MATCH_SUCCESS" : "FPI_MATCH_FAIL");
+    }
+  else
+    {
+      g_warning ("Unhandled command sent: '%s'", line);
+    }
+}
+
+static void
+recv_instruction_cb (GObject      *source_object,
+                     GAsyncResult *res,
+                     gpointer      user_data)
+{
+  g_autoptr(GError) error = NULL;
+  FpDeviceVirtualDevice *self;
+  gboolean success;
+  gsize bytes;
+
+  success = g_input_stream_read_all_finish (G_INPUT_STREAM (source_object), res, &bytes, &error);
+
+  if (!success || bytes == 0)
+    {
+      if (!success)
+        {
+          if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED) ||
+              g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CLOSED))
+            return;
+          g_warning ("Error receiving instruction data: %s", error->message);
+        }
+
+      self = FP_DEVICE_VIRTUAL_DEVICE (user_data);
+      goto out;
+    }
+
+  self = FP_DEVICE_VIRTUAL_DEVICE (user_data);
+  handle_command_line (self, (const char *) self->line);
+
+out:
+  g_io_stream_close (G_IO_STREAM (self->connection), NULL, NULL);
+  g_clear_object (&self->connection);
+
+  start_listen (self);
+}
+
+static void
+recv_instruction (FpDeviceVirtualDevice *self,
+                  GInputStream          *stream)
+{
+  memset (&self->line, 0, sizeof (self->line));
+  g_input_stream_read_all_async (stream,
+                                 self->line,
+                                 sizeof (self->line),
+                                 G_PRIORITY_DEFAULT,
+                                 self->cancellable,
+                                 recv_instruction_cb,
+                                 self);
+}
+
+static void
+new_connection_cb (GObject      *source_object,
+                   GAsyncResult *res,
+                   gpointer      user_data)
+{
+  g_autoptr(GError) error = NULL;
+  g_autoptr(GSocketConnection) connection = NULL;
+  GInputStream *stream;
+  FpDeviceVirtualDevice *self = user_data;
+
+  connection = g_socket_listener_accept_finish (G_SOCKET_LISTENER (source_object),
+                                                res,
+                                                NULL,
+                                                &error);
+  if (!connection)
+    {
+      if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        return;
+
+      g_warning ("Error accepting a new connection: %s", error->message);
+      start_listen (self);
+      return;
+    }
+
+  /* Always further connections (but we disconnect them immediately
+   * if we already have a connection). */
+  if (self->connection)
+    {
+      g_io_stream_close (G_IO_STREAM (connection), NULL, NULL);
+      start_listen (self);
+      return;
+    }
+
+  self->connection = g_steal_pointer (&connection);
+  stream = g_io_stream_get_input_stream (G_IO_STREAM (connection));
+
+  recv_instruction (self, stream);
+
+  fp_dbg ("Got a new connection!");
+}
+
+static void
+start_listen (FpDeviceVirtualDevice *self)
+{
+  fp_dbg ("Starting a new listener");
+  g_socket_listener_accept_async (self->listener,
+                                  self->cancellable,
+                                  new_connection_cb,
+                                  self);
+}
+
+static void
+dev_init (FpDevice *dev)
+{
+  fpi_device_open_complete (dev, NULL);
+}
+
+static void
+dev_verify (FpDevice *dev)
+{
+  FpPrint *print;
+
+  g_autoptr(GVariant) data = NULL;
+  gboolean success;
+
+  fpi_device_get_verify_data (dev, &print);
+  g_object_get (print, "fpi-data", &data, NULL);
+  success = g_variant_get_boolean (data);
+
+  fpi_device_verify_report (dev,
+                            success ? FPI_MATCH_SUCCESS : FPI_MATCH_FAIL,
+                            NULL, NULL);
+  fpi_device_verify_complete (dev, NULL);
+}
+
+static void
+dev_enroll (FpDevice *dev)
+{
+  FpDeviceVirtualDevice *self = FP_DEVICE_VIRTUAL_DEVICE (dev);
+  gpointer success_ptr;
+  FpPrint *print = NULL;
+  g_autofree char *key = NULL;
+
+  fpi_device_get_enroll_data (dev, &print);
+  key = g_strdup_printf ("%s-%s",
+                         finger_to_str (fp_print_get_finger (print)),
+                         fp_print_get_username (print));
+
+  if (g_hash_table_lookup_extended (self->pending_prints, key, NULL, &success_ptr))
+    {
+      gboolean success = GPOINTER_TO_INT (success_ptr);
+      GVariant *fp_data;
+
+      fp_data = g_variant_new_boolean (success);
+      fpi_print_set_type (print, FPI_PRINT_RAW);
+      if (fpi_device_get_driver_data (dev) == VIRTUAL_DEVICE_IDENT)
+        fpi_print_set_device_stored (print, TRUE);
+      g_object_set (print, "fpi-data", fp_data, NULL);
+      fpi_device_enroll_complete (dev, g_object_ref (print), NULL);
+    }
+  else
+    {
+      fpi_device_enroll_complete (dev, NULL,
+                                  fpi_device_error_new_msg (FP_DEVICE_ERROR_PROTO,
+                                                            "No pending result for this username/finger combination"));
+    }
+}
+
+static void
+dev_deinit (FpDevice *dev)
+{
+  fpi_device_close_complete (dev, NULL);
+}
+
+static gboolean
+dev_supports_identify (FpDevice *dev)
+{
+  return fpi_device_get_driver_data (dev) == VIRTUAL_DEVICE_IDENT;
+}
+
+static void
+dev_identify (FpDevice *dev)
+{
+  GPtrArray *templates;
+  FpPrint *result = NULL;
+  guint i;
+
+  g_assert (fpi_device_get_driver_data (dev) == VIRTUAL_DEVICE_IDENT);
+
+  fpi_device_get_identify_data (dev, &templates);
+
+  for (i = 0; i < templates->len; i++)
+    {
+      FpPrint *template = g_ptr_array_index (templates, i);
+      g_autoptr(GVariant) data = NULL;
+      gboolean success;
+
+      g_object_get (dev, "fpi-data", &template, NULL);
+      success = g_variant_get_boolean (data);
+      if (success)
+        {
+          result = template;
+          break;
+        }
+    }
+
+  if (result)
+    fpi_device_identify_report (dev, result, NULL, NULL);
+  fpi_device_identify_complete (dev, NULL);
+}
+
+static void
+fpi_device_virtual_device_finalize (GObject *object)
+{
+  FpDeviceVirtualDevice *self = FP_DEVICE_VIRTUAL_DEVICE (object);
+
+  G_DEBUG_HERE ();
+
+  g_cancellable_cancel (self->cancellable);
+  g_clear_object (&self->cancellable);
+  g_clear_object (&self->listener);
+  g_clear_object (&self->connection);
+  g_hash_table_destroy (self->pending_prints);
+}
+
+static void
+fpi_device_virtual_device_constructed (GObject *object)
+{
+  g_autoptr(GError) error = NULL;
+  g_autoptr(GSocketListener) listener = NULL;
+  FpDeviceVirtualDevice *self = FP_DEVICE_VIRTUAL_DEVICE (object);
+  const char *env;
+  g_autoptr(GSocketAddress) addr = NULL;
+  G_DEBUG_HERE ();
+
+  self->client_fd = -1;
+
+  env = fpi_device_get_virtual_env (FP_DEVICE (self));
+
+  listener = g_socket_listener_new ();
+  g_socket_listener_set_backlog (listener, 1);
+
+  /* Remove any left over socket. */
+  g_unlink (env);
+
+  addr = g_unix_socket_address_new (env);
+
+  if (!g_socket_listener_add_address (listener,
+                                      addr,
+                                      G_SOCKET_TYPE_STREAM,
+                                      G_SOCKET_PROTOCOL_DEFAULT,
+                                      NULL,
+                                      NULL,
+                                      &error))
+    {
+      g_warning ("Could not listen on unix socket: %s", error->message);
+
+      fpi_device_open_complete (FP_DEVICE (self), g_steal_pointer (&error));
+
+      return;
+    }
+
+  self->listener = g_steal_pointer (&listener);
+  self->cancellable = g_cancellable_new ();
+  self->pending_prints = g_hash_table_new_full (g_str_hash,
+                                                g_str_equal,
+                                                g_free,
+                                                NULL);
+
+  if (G_OBJECT_CLASS (fpi_device_virtual_device_parent_class)->constructed)
+    G_OBJECT_CLASS (fpi_device_virtual_device_parent_class)->constructed (object);
+
+  start_listen (self);
+}
+
+static void
+fpi_device_virtual_device_init (FpDeviceVirtualDevice *self)
+{
+}
+
+static const FpIdEntry driver_ids[] = {
+  { .virtual_envvar = "FP_VIRTUAL_DEVICE", .driver_data = VIRTUAL_DEVICE },
+  { .virtual_envvar = "FP_VIRTUAL_DEVICE_IDENT", .driver_data = VIRTUAL_DEVICE_IDENT },
+  { .virtual_envvar = NULL }
+};
+
+static void
+fpi_device_virtual_device_class_init (FpDeviceVirtualDeviceClass *klass)
+{
+  FpDeviceClass *dev_class = FP_DEVICE_CLASS (klass);
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->constructed = fpi_device_virtual_device_constructed;
+  object_class->finalize = fpi_device_virtual_device_finalize;
+
+  dev_class->id = FP_COMPONENT;
+  dev_class->full_name = "Virtual device for debugging";
+  dev_class->type = FP_DEVICE_TYPE_VIRTUAL;
+  dev_class->id_table = driver_ids;
+  dev_class->nr_enroll_stages = 5;
+
+  dev_class->open = dev_init;
+  dev_class->close = dev_deinit;
+  dev_class->verify = dev_verify;
+  dev_class->enroll = dev_enroll;
+
+  dev_class->identify = dev_identify;
+  dev_class->supports_identify = dev_supports_identify;
+}
--- a/libfprint/drivers/virtual-image.c
+++ b/libfprint/drivers/virtual-image.c
@@ -215,6 +215,7 @@ new_connection_cb (GObject *source_object, GAsyncResult *res, gpointer user_data

      g_warning ("Error accepting a new connection: %s", error->message);
      start_listen (dev);
+      return;
    }

  /* Always further connections (but we disconnect them immediately
@@ -252,7 +253,6 @@ dev_init (FpImageDevice *dev)
  g_autoptr(GSocketListener) listener = NULL;
  FpDeviceVirtualImage *self = FPI_DEVICE_VIRTUAL_IMAGE (dev);
  const char *env;
-
  g_autoptr(GSocketAddress) addr = NULL;
  G_DEBUG_HERE ();

@@ -278,7 +278,7 @@ dev_init (FpImageDevice *dev)
    {
      g_warning ("Could not listen on unix socket: %s", error->message);

-      fpi_image_device_open_complete (FP_IMAGE_DEVICE (dev), g_steal_pointer (&error));
+      fpi_image_device_open_complete (dev, g_steal_pointer (&error));

      return;
    }
--- a/libfprint/fp-context.c
+++ b/libfprint/fp-context.c
@@ -210,8 +210,7 @@ fp_context_finalize (GObject *object)
  g_clear_object (&priv->cancellable);
  g_clear_pointer (&priv->drivers, g_array_unref);

-  if (priv->usb_ctx)
-    g_object_run_dispose (G_OBJECT (priv->usb_ctx));
+  g_object_run_dispose (G_OBJECT (priv->usb_ctx));
  g_clear_object (&priv->usb_ctx);

  G_OBJECT_CLASS (fp_context_parent_class)->finalize (object);
@@ -290,7 +289,7 @@ fp_context_init (FpContext *self)
  priv->usb_ctx = g_usb_context_new (&error);
  if (!priv->usb_ctx)
    {
-      g_message ("Could not initialise USB Subsystem: %s", error->message);
+      fp_warn ("Could not initialise USB Subsystem: %s", error->message);
    }
  else
    {
@@ -343,8 +342,7 @@ fp_context_enumerate (FpContext *context)
  priv->enumerated = TRUE;

  /* USB devices are handled from callbacks */
-  if (priv->usb_ctx)
-    g_usb_context_enumerate (priv->usb_ctx);
+  g_usb_context_enumerate (priv->usb_ctx);

  /* Handle Virtual devices based on environment variables */
  for (i = 0; i < priv->drivers->len; i++)
--- a/libfprint/fp-device.c
+++ b/libfprint/fp-device.c
@@ -24,11 +24,16 @@
 #include "fp-device-private.h"

 /**
- * SECTION: fp-device
- * @title: FpDevice
- * @short_description: Fingerpint device routines
+ * SECTION: fpi-device
+ * @title: Internal FpDevice
+ * @short_description: Internal device routines
 *
- * These are the public #FpDevice routines.
+ * The methods that are available for drivers to manipulate a device. See
+ * #FpDeviceClass for more information. Also note that most of these are
+ * not relevant for image based devices, see #FpImageDeviceClass in that
+ * case.
+ *
+ * Also see the public #FpDevice routines.
 */

 static void fp_device_async_initable_iface_init (GAsyncInitableIface *iface);
@@ -502,6 +507,9 @@ fp_device_supports_identify (FpDevice *device)

  g_return_val_if_fail (FP_IS_DEVICE (device), FALSE);

+  if (cls->supports_identify != NULL)
+    return cls->supports_identify (device);
+
  return cls->identify != NULL;
 }

@@ -941,6 +949,13 @@ fp_device_identify (FpDevice           *device,
  if (g_task_return_error_if_cancelled (task))
    return;

+  if (!fp_device_supports_identify (device))
+    {
+      g_task_return_error (task,
+                           fpi_device_error_new (FP_DEVICE_ERROR_NOT_SUPPORTED));
+      return;
+    }
+
  if (!priv->is_open)
    {
      g_task_return_error (task,
--- a/libfprint/fp-device.h
+++ b/libfprint/fp-device.h
@@ -90,7 +90,6 @@ typedef enum {
 * @FP_DEVICE_ERROR_DATA_INVALID: The passed data is invalid
 * @FP_DEVICE_ERROR_DATA_NOT_FOUND: Requested print was not found on device
 * @FP_DEVICE_ERROR_DATA_FULL: No space on device available for operation
- * @FP_DEVICE_ERROR_DATA_DUPLICATE: Enrolling template duplicates storaged templates
 *
 * Error codes for device operations. More specific errors from other domains
 * such as #G_IO_ERROR or #G_USB_DEVICE_ERROR may also be reported.
@@ -105,7 +104,6 @@ typedef enum {
  FP_DEVICE_ERROR_DATA_INVALID,
  FP_DEVICE_ERROR_DATA_NOT_FOUND,
  FP_DEVICE_ERROR_DATA_FULL,
-  FP_DEVICE_ERROR_DATA_DUPLICATE,
 } FpDeviceError;

 GQuark fp_device_retry_quark (void);
--- a/libfprint/fp-image-device.c
+++ b/libfprint/fp-image-device.c
@@ -62,34 +62,17 @@ static gboolean
 pending_activation_timeout (gpointer user_data)
 {
  FpImageDevice *self = FP_IMAGE_DEVICE (user_data);
-  FpDevice *device = FP_DEVICE (self);
  FpImageDevicePrivate *priv = fp_image_device_get_instance_private (self);
-  FpiDeviceAction action = fpi_device_get_current_action (device);
-  GError *error;

  priv->pending_activation_timeout_id = 0;

  if (priv->pending_activation_timeout_waiting_finger_off)
-    error = fpi_device_retry_new_msg (FP_DEVICE_RETRY_REMOVE_FINGER,
-                                      "Remove finger before requesting another scan operation");
+    fpi_device_action_error (FP_DEVICE (self),
+                             fpi_device_retry_new_msg (FP_DEVICE_RETRY_REMOVE_FINGER,
+                                                       "Remove finger before requesting another scan operation"));
  else
-    error = fpi_device_retry_new (FP_DEVICE_RETRY_GENERAL);
-
-  if (action == FPI_DEVICE_ACTION_VERIFY)
-    {
-      fpi_device_verify_report (device, FPI_MATCH_ERROR, NULL, error);
-      fpi_device_verify_complete (device, NULL);
-    }
-  else if (action == FPI_DEVICE_ACTION_IDENTIFY)
-    {
-      fpi_device_identify_report (device, NULL, NULL, error);
-      fpi_device_identify_complete (device, NULL);
-    }
-  else
-    {
-      /* Can this happen for enroll? */
-      fpi_device_action_error (device, error);
-    }
+    fpi_device_action_error (FP_DEVICE (self),
+                             fpi_device_retry_new (FP_DEVICE_RETRY_GENERAL));

  return G_SOURCE_REMOVE;
 }
--- a/libfprint/fp-image-device.h
+++ b/libfprint/fp-image-device.h
@@ -19,7 +19,7 @@

 #pragma once

-#include "fp-device.h"
+#include <fp-device.h>

 G_BEGIN_DECLS

--- a/libfprint/fp-image.c
+++ b/libfprint/fp-image.c
@@ -281,7 +281,6 @@ fp_image_detect_minutiae_thread_func (GTask        *task,
  gint map_w, map_h;
  gint bw, bh, bd;
  gint r;
-  g_autofree LFSPARMS *lfsparms;

  /* Normalize the image first */
  if (data->flags & FPI_IMAGE_H_FLIPPED)
@@ -295,15 +294,12 @@ fp_image_detect_minutiae_thread_func (GTask        *task,

  data->flags &= ~(FPI_IMAGE_H_FLIPPED | FPI_IMAGE_V_FLIPPED | FPI_IMAGE_COLORS_INVERTED);

-  lfsparms = g_memdup (&g_lfsparms_V2, sizeof (LFSPARMS));
-  lfsparms->remove_perimeter_pts = data->flags & FPI_IMAGE_PARTIAL ? TRUE : FALSE;
-
  timer = g_timer_new ();
  r = get_minutiae (&minutiae, &quality_map, &direction_map,
                    &low_contrast_map, &low_flow_map, &high_curve_map,
                    &map_w, &map_h, &bdata, &bw, &bh, &bd,
                    data->image, data->width, data->height, 8,
-                    data->ppmm, lfsparms);
+                    data->ppmm, &g_lfsparms_V2);
  g_timer_stop (timer);
  fp_dbg ("Minutiae scan completed in %f secs", g_timer_elapsed (timer, NULL));

--- a/libfprint/fp-print.c
+++ b/libfprint/fp-print.c
@@ -822,7 +822,7 @@ fp_print_deserialize (const guchar *data,
      fpi_print_set_type (result, FPI_PRINT_NBIS);
      for (i = 0; i < g_variant_n_children (prints); i++)
        {
-          g_autofree struct xyt_struct *xyt = NULL;
+          g_autofree struct xyt_struct *xyt = g_new0 (struct xyt_struct, 1);
          const gint32 *xcol, *ycol, *thetacol;
          gsize xlen, ylen, thetalen;
          g_autoptr(GVariant) xyt_data = NULL;
@@ -848,7 +848,6 @@ fp_print_deserialize (const guchar *data,
          if (xlen > G_N_ELEMENTS (xyt->xcol))
            goto invalid_format;

-          xyt = g_new0 (struct xyt_struct, 1);
          xyt->nrows = xlen;
          memcpy (xyt->xcol, xcol, sizeof (xcol[0]) * xlen);
          memcpy (xyt->ycol, ycol, sizeof (xcol[0]) * xlen);
--- a/libfprint/fpi-device.c
+++ b/libfprint/fpi-device.c
@@ -135,10 +135,6 @@ fpi_device_error_new (FpDeviceError error)
      msg = "Print was not found on the devices storage.";
      break;

-    case FP_DEVICE_ERROR_DATA_DUPLICATE:
-      msg = "This finger has already enrolled, please try a different finger";
-      break;
-
    default:
      g_warning ("Unsupported error, returning general error instead!");
      error = FP_DEVICE_ERROR_GENERAL;
@@ -395,7 +391,7 @@ fpi_device_action_is_cancelled (FpDevice *device)

  cancellable = g_task_get_cancellable (priv->current_task);

-  return g_cancellable_is_cancelled (cancellable);
+  return cancellable ? g_cancellable_is_cancelled (cancellable) : FALSE;
 }

 /**
@@ -597,11 +593,7 @@ fpi_device_action_error (FpDevice *device,

  if (error != NULL)
    {
-      g_autofree char *action_str = NULL;
-
-      action_str = g_enum_to_string (FPI_TYPE_DEVICE_ACTION, priv->current_action);
-      g_debug ("Device reported generic error (%s) during action; action was: %s",
-               error->message, action_str);
+      g_debug ("Device reported generic error during action; action was: %i", priv->current_action);
    }
  else
    {
@@ -690,13 +682,10 @@ fp_device_task_return_in_idle_cb (gpointer user_data)
 {
  FpDeviceTaskReturnData *data = user_data;
  FpDevicePrivate *priv = fp_device_get_instance_private (data->device);
-  g_autofree char *action_str = NULL;

  g_autoptr(GTask) task = NULL;

-
-  action_str = g_enum_to_string (FPI_TYPE_DEVICE_ACTION, priv->current_action);
-  g_debug ("Completing action %s in idle!", action_str);
+  g_debug ("Completing action %d in idle!", priv->current_action);

  task = g_steal_pointer (&priv->current_task);
  priv->current_action = FPI_DEVICE_ACTION_NONE;
@@ -923,20 +912,6 @@ fpi_device_enroll_complete (FpDevice *device, FpPrint *print, GError *error)
    {
      if (FP_IS_PRINT (print))
        {
-          FpiPrintType print_type;
-
-          g_object_get (print, "fpi-type", &print_type, NULL);
-          if (print_type == FPI_PRINT_UNDEFINED)
-            {
-              g_warning ("Driver did not set the type on the returned print!");
-              g_clear_object (&print);
-
-              error = fpi_device_error_new_msg (FP_DEVICE_ERROR_GENERAL,
-                                                "Driver provided incorrect print data!");
-              fpi_device_return_task_in_idle (device, FP_DEVICE_TASK_RETURN_ERROR, error);
-              return;
-            }
-
          fpi_device_return_task_in_idle (device, FP_DEVICE_TASK_RETURN_OBJECT, print);
        }
      else
--- a/libfprint/fpi-device.h
+++ b/libfprint/fpi-device.h
@@ -79,6 +79,7 @@ struct _FpIdEntry
 * @delete: Delete a print from the device
 * @cancel: Called on cancellation, this is a convenience to not need to handle
 *   the #GCancellable directly by using fpi_device_get_cancellable().
+ * @supports_identify: Whether identify operations are supported.
 *
 * NOTE: If your driver is image based, then you should subclass #FpImageDevice
 * instead. #FpImageDevice based drivers use a different way of interacting
@@ -128,7 +129,9 @@ struct _FpDeviceClass
  void (*list)     (FpDevice *device);
  void (*delete)   (FpDevice * device);

-  void (*cancel)   (FpDevice *device);
+  void     (*cancel)   (FpDevice *device);
+
+  gboolean (*supports_identify) (FpDevice *device);
 };

 /**
--- a/libfprint/fpi-image-device.c
+++ b/libfprint/fpi-image-device.c
@@ -24,11 +24,12 @@
 #include "fp-image-device.h"

 /**
- * SECTION: fpi-image-device
- * @title: Internal FpImageDevice
- * @short_description: Internal image device functions
+ * SECTION: fpi-image
+ * @title: Internal FpImage
+ * @short_description: Internal image handling routines
 *
- * Internal image device functions. See #FpImageDevice for public routines.
+ * Internal image handling routines. Also see the public <ulink
+ * url="libfprint-FpImage.html">FpImage routines</ulink>.
 */

 /* Manually redefine what G_DEFINE_* macro does */
@@ -94,8 +95,6 @@ static void
 fp_image_device_change_state (FpImageDevice *self, FpiImageDeviceState state)
 {
  FpImageDevicePrivate *priv = fp_image_device_get_instance_private (self);
-  g_autofree char *prev_state_str = NULL;
-  g_autofree char *state_str = NULL;

  /* Cannot change to inactive using this function. */
  g_assert (state != FPI_IMAGE_DEVICE_STATE_INACTIVE);
@@ -104,10 +103,7 @@ fp_image_device_change_state (FpImageDevice *self, FpiImageDeviceState state)
   * next operation. */
  g_clear_handle_id (&priv->pending_activation_timeout_id, g_source_remove);

-  prev_state_str = g_enum_to_string (FPI_TYPE_IMAGE_DEVICE_STATE, priv->state);
-  state_str = g_enum_to_string (FPI_TYPE_IMAGE_DEVICE_STATE, state);
-  fp_dbg ("Image device internal state change from %s to %s\n",
-          prev_state_str, state_str);
+  fp_dbg ("Image device internal state change from %d to %d\n", priv->state, state);

  priv->state = state;
  g_object_notify (G_OBJECT (self), "fpi-image-device-state");
@@ -126,7 +122,6 @@ fp_image_device_enroll_maybe_await_finger_on (FpImageDevice *self)
    }
  else
    {
-      fp_dbg ("Awaiting finger on");
      priv->enroll_await_on_pending = TRUE;
    }
 }
--- a/libfprint/fpi-image-device.h
+++ b/libfprint/fpi-image-device.h
@@ -72,8 +72,9 @@ typedef enum {
 * fpi_device_action_error() function but doing so is not recommended in most
 * usecases.
 *
- * Image drivers must expect a @deactivate call to happen at any point during
- * image capture.
+ * Drivers *must* also handle cancellation properly for any long running
+ * operation (i.e. any operation that requires capturing). It is entirely fine
+ * to ignore cancellation requests for short operations (e.g. open/close).
 *
 * This API is solely intended for drivers. It is purely internal and neither
 * API nor ABI stable.
--- a/libfprint/fpi-image.c
+++ b/libfprint/fpi-image.c
@@ -34,7 +34,8 @@
 * @title: Internal FpImage
 * @short_description: Internal image handling routines
 *
- * Internal image handling routines. See #FpImage for public routines.
+ * Internal image handling routines. Also see the public <ulink
+ * url="libfprint-FpImage.html">FpImage routines</ulink>.
 */

 /**
--- a/libfprint/fpi-image.h
+++ b/libfprint/fpi-image.h
@@ -37,7 +37,6 @@ typedef enum {
  FPI_IMAGE_V_FLIPPED       = 1 << 0,
  FPI_IMAGE_H_FLIPPED       = 1 << 1,
  FPI_IMAGE_COLORS_INVERTED = 1 << 2,
-  FPI_IMAGE_PARTIAL         = 1 << 3,
 } FpiImageFlags;

 /**
--- a/libfprint/fpi-print.c
+++ b/libfprint/fpi-print.c
@@ -240,7 +240,7 @@ fpi_print_bz3_match (FpPrint *template, FpPrint *print, gint bz3_threshold, GErr
      gint score;
      gstruct = g_ptr_array_index (template->prints, i);
      score = bozorth_to_gallery (probe_len, pstruct, gstruct);
-      fp_dbg ("score %d/%d", score, bz3_threshold);
+      fp_dbg ("score %d", score);

      if (score >= bz3_threshold)
        return FPI_MATCH_SUCCESS;
--- a/libfprint/fpi-usb-transfer.c
+++ b/libfprint/fpi-usb-transfer.c
@@ -105,7 +105,6 @@ fpi_usb_transfer_new (FpDevice * device)

  self = g_slice_new0 (FpiUsbTransfer);
  self->ref_count = 1;
-  self->type = FP_TRANSFER_NONE;

  self->device = device;

--- a/libfprint/fpi-usb-transfer.h
+++ b/libfprint/fpi-usb-transfer.h
@@ -47,10 +47,10 @@ typedef void (*FpiUsbTransferCallback)(FpiUsbTransfer *transfer,
 * Type of the transfer.
 */
 typedef enum  {
-  FP_TRANSFER_NONE = -1,
-  FP_TRANSFER_CONTROL = 0,
-  FP_TRANSFER_BULK = 2,
-  FP_TRANSFER_INTERRUPT = 3,
+  FP_TRANSFER_NONE = 0,
+  FP_TRANSFER_BULK,
+  FP_TRANSFER_CONTROL,
+  FP_TRANSFER_INTERRUPT,
 } FpiTransferType;

 /**
--- a/libfprint/meson.build
+++ b/libfprint/meson.build
@@ -155,18 +155,15 @@ foreach driver: drivers
    if driver == 'virtual_image'
        drivers_sources += [ 'drivers/virtual-image.c' ]
    endif
+    if driver == 'virtual_device'
+        drivers_sources += [ 'drivers/virtual-device.c' ]
+    endif
    if driver == 'synaptics'
    drivers_sources += [
        'drivers/synaptics/synaptics.c',
        'drivers/synaptics/bmkt_message.c',
    ]
    endif
-    if driver == 'goodixmoc'
-    drivers_sources += [
-        'drivers/goodixmoc/goodix.c',
-        'drivers/goodixmoc/goodix_proto.c',
-    ]
-    endif
 endforeach

 if aeslib
--- a/libfprint/nbis/fix-scan-build-reports.patch
+++ b/libfprint/nbis/fix-scan-build-reports.patch
@@ -1,57 +0,0 @@
-diff --git a/libfprint/nbis/mindtct/contour.c b/libfprint/nbis/mindtct/contour.c
-index 3e9416c..31f32d0 100644
--- mindtct/contour.c
-+++ mindtct/contour.c
-@@ -440,6 +440,8 @@ int get_centered_contour(int **ocontour_x, int **ocontour_y,
-    int *contour_x, *contour_y, *contour_ex, *contour_ey, ncontour;
-    int i, j, ret;
- 
-+   g_assert (half_contour > 0);
-+
-    /* Compute maximum length of complete contour */
-    /* (2 half contours + feature point).         */
-    max_contour = (half_contour<<1) + 1;
-diff --git a/libfprint/nbis/mindtct/minutia.c b/libfprint/nbis/mindtct/minutia.c
-index 0b29aa0..77cf09d 100644
--- mindtct/minutia.c
-+++ mindtct/minutia.c
-@@ -1625,7 +1625,7 @@ int process_horizontal_scan_minutia_V2(MINUTIAE *minutiae,
-                             dmapval, bdata, iw, ih, lfsparms);
- 
-    /* If minuitia IGNORED and not added to the minutia list ... */
-   if(ret == IGNORE)
-+   if(ret != 0)
-       /* Deallocate the minutia. */
-       free_minutia(minutia);
- 
-@@ -1776,7 +1776,7 @@ int process_vertical_scan_minutia_V2(MINUTIAE *minutiae,
-                             dmapval, bdata, iw, ih, lfsparms);
- 
-    /* If minuitia IGNORED and not added to the minutia list ... */
-   if(ret == IGNORE)
-+   if(ret != 0)
-       /* Deallocate the minutia. */
-       free_minutia(minutia);
- 
-diff --git a/libfprint/nbis/mindtct/ridges.c b/libfprint/nbis/mindtct/ridges.c
-index f0d9cd3..9902585 100644
--- mindtct/ridges.c
-+++ mindtct/ridges.c
-@@ -147,6 +147,8 @@ int count_minutia_ridges(const int first, MINUTIAE *minutiae,
- {
-    int i, ret, *nbr_list, *nbr_nridges, nnbrs;
- 
-+   g_assert (lfsparms->max_nbrs > 0);
-+
-    /* Find up to the maximum number of qualifying neighbors. */
-    nbr_list = NULL;
-    if((ret = find_neighbors(&nbr_list, &nnbrs, lfsparms->max_nbrs,
-@@ -407,6 +409,8 @@ int insert_neighbor(const int pos, const int nbr_index, const double nbr_dist2,
- {
-    int i;
- 
-+   g_assert (pos >= 0);
-+
-    /* If the desired insertion position is beyond one passed the last     */
-    /* neighbor in the lists OR greater than equal to the maximum ...      */
-    /* NOTE: pos is zero-oriented while nnbrs and max_nbrs are 1-oriented. */
--- a/libfprint/nbis/include/lfs.h
+++ b/libfprint/nbis/include/lfs.h
@@ -260,8 +260,6 @@ typedef struct g_lfsparms{
   int    pores_steps_bwd;
   double pores_min_dist2;
   double pores_max_ratio;
-   int    remove_perimeter_pts;
-   int    min_pp_distance;

   /* Ridge Counting Controls */
   int    max_nbrs;
@@ -611,9 +609,6 @@ typedef struct g_lfsparms{
 /* contour points to be considered a pore.                               */
 #define PORES_MAX_RATIO          2.25

-/* Points which are closer than this distance to scan perimeter will be removed */
-#define PERIMETER_PTS_DISTANCE 10
-

 /***** RIDGE COUNTING CONSTANTS *****/

@@ -1128,9 +1123,6 @@ extern int remove_or_adjust_side_minutiae(MINUTIAE *, unsigned char *,
 extern int remove_or_adjust_side_minutiae_V2(MINUTIAE *,
                  unsigned char *, const int, const int,
                  int *, const int, const int, const LFSPARMS *);
-extern int remove_perimeter_pts(MINUTIAE *minutiae,
-                  unsigned char *bdata, const int iw, const int ih,
-                  const LFSPARMS *lfsparms);

 /* results.c */
 extern int write_text_results(char *, const int, const int, const int,
--- a/libfprint/nbis/mindtct/contour.c
+++ b/libfprint/nbis/mindtct/contour.c
@@ -440,8 +440,6 @@ int get_centered_contour(int **ocontour_x, int **ocontour_y,
   int *contour_x, *contour_y, *contour_ex, *contour_ey, ncontour;
   int i, j, ret;

-   g_assert (half_contour > 0);
-
   /* Compute maximum length of complete contour */
   /* (2 half contours + feature point).         */
   max_contour = (half_contour<<1) + 1;
--- a/libfprint/nbis/mindtct/globals.c
+++ b/libfprint/nbis/mindtct/globals.c
@@ -150,8 +150,6 @@ LFSPARMS g_lfsparms = {
   PORES_STEPS_BWD,
   PORES_MIN_DIST2,
   PORES_MAX_RATIO,
-   FALSE, /* not removing perimeter points by default */
-   PERIMETER_PTS_DISTANCE,

   /* Ridge Counting Controls */
   MAX_NBRS,
@@ -236,8 +234,6 @@ LFSPARMS g_lfsparms_V2 = {
   PORES_STEPS_BWD,
   PORES_MIN_DIST2,
   PORES_MAX_RATIO,
-   FALSE, /* not removing perimeter points by default */
-   PERIMETER_PTS_DISTANCE,

   /* Ridge Counting Controls */
   MAX_NBRS,
--- a/libfprint/nbis/mindtct/minutia.c
+++ b/libfprint/nbis/mindtct/minutia.c
@@ -1625,7 +1625,7 @@ int process_horizontal_scan_minutia_V2(MINUTIAE *minutiae,
                            dmapval, bdata, iw, ih, lfsparms);

   /* If minuitia IGNORED and not added to the minutia list ... */
-   if(ret != 0)
+   if(ret == IGNORE)
      /* Deallocate the minutia. */
      free_minutia(minutia);

@@ -1776,7 +1776,7 @@ int process_vertical_scan_minutia_V2(MINUTIAE *minutiae,
                            dmapval, bdata, iw, ih, lfsparms);

   /* If minuitia IGNORED and not added to the minutia list ... */
-   if(ret != 0)
+   if(ret == IGNORE)
      /* Deallocate the minutia. */
      free_minutia(minutia);

--- a/libfprint/nbis/mindtct/remove.c
+++ b/libfprint/nbis/mindtct/remove.c
@@ -195,11 +195,6 @@ int remove_false_minutia_V2(MINUTIAE *minutiae,
      return(ret);
   }

-   /* 11. Remove minutiae on image edge */
-   if((ret = remove_perimeter_pts(minutiae, bdata, iw, ih, lfsparms))) {
-      return (ret);
-   }
-
   return(0);
 }

@@ -1334,159 +1329,6 @@ int remove_pointing_invblock_V2(MINUTIAE *minutiae,
   return(0);
 }

-static void mark_minutiae_in_range(MINUTIAE *minutiae, int *to_remove, int x, int y,
-                                   const LFSPARMS *lfsparms)
-{
-    int i, dist;
-    for (i = 0; i < minutiae->num; i++) {
-        if (to_remove[i])
-            continue;
-        dist = (int)sqrt((x - minutiae->list[i]->x) * (x - minutiae->list[i]->x) +
-                         (y - minutiae->list[i]->y) * (y - minutiae->list[i]->y));
-        if (dist < lfsparms->min_pp_distance) {
-            to_remove[i] = 1;
-        }
-    }
-}
-
-/*************************************************************************
-**************************************************************************
-#cat: remove_perimeter_pts - Takes a list of true and false minutiae and
-#cat:                attempts to detect and remove those false minutiae that
-#cat:                belong to image edge
-
-   Input:
-      minutiae  - list of true and false minutiae
-      bdata     - binary image data (0==while & 1==black)
-      iw        - width (in pixels) of image
-      ih        - height (in pixels) of image
-      lfsparms  - parameters and thresholds for controlling LFS
-   Output:
-      minutiae  - list of pruned minutiae
-   Return Code:
-      Zero     - successful completion
-      Negative - system error
-**************************************************************************/
-int remove_perimeter_pts(MINUTIAE *minutiae,
-                       unsigned char *bdata, const int iw, const int ih,
-                       const LFSPARMS *lfsparms)
-{
-    int i, j, ret, *to_remove;
-    int *left, *left_up, *left_down;
-    int *right, *right_up, *right_down;
-    int removed = 0;
-    int left_min, right_max;
-
-    if (!lfsparms->remove_perimeter_pts)
-        return(0);
-
-    to_remove = calloc(minutiae->num, sizeof(int));
-    left = calloc(ih, sizeof(int));
-    left_up = calloc(ih, sizeof(int));
-    left_down = calloc(ih, sizeof(int));
-    right = calloc(ih, sizeof(int));
-    right_up = calloc(ih, sizeof(int));
-    right_down = calloc(ih, sizeof(int));
-
-    /* Pass downwards */
-    left_min = iw - 1;
-    right_max = 0;
-    for (i = 0; i < ih; i++) {
-        for (j = 0; j < left_min; j++) {
-            if ((bdata[i * iw + j] != 0)) {
-                left_min = j;
-                break;
-            }
-        }
-        if (left_min == (iw - 1))
-            left_down[i] = -1;
-        else
-            left_down[i] = left_min;
-        for (j = iw - 1; j >= right_max; j--) {
-            if ((bdata[i * iw + j] != 0)) {
-                right_max = j;
-                break;
-            }
-        }
-        if (right_max == 0)
-            right_down[i] = -1;
-        else
-            right_down[i] = right_max;
-    }
-
-    /* Pass upwards */
-    left_min = iw - 1;
-    right_max = 0;
-    for (i = ih - 1; i >= 0; i--) {
-        for (j = 0; j < left_min; j++) {
-            if ((bdata[i * iw + j] != 0)) {
-                left_min = j;
-                break;
-            }
-        }
-        if (left_min == (iw - 1))
-            left_up[i] = -1;
-        else
-            left_up[i] = left_min;
-        for (j = iw - 1; j >= right_max; j--) {
-            if ((bdata[i * iw + j] != 0)) {
-                right_max = j;
-                break;
-            }
-        }
-        if (right_max == 0)
-            right_up[i] = -1;
-        else
-            right_up[i] = right_max;
-    }
-
-    /* Merge */
-    left_min = left_down[ih - 1];
-    right_max = right_down[ih - 1];
-    for (i = 0; i < ih; i++) {
-        if (left_down[i] != left_min)
-            left[i] = left_down[i];
-        else
-            left[i] = left_up[i];
-
-        if (right_down[i] != right_max)
-            right[i] = right_down[i];
-        else
-            right[i] = right_up[i];
-    }
-    free(left_up);
-    free(left_down);
-    free(right_up);
-    free(right_down);
-
-    /* Mark minitiae close to the edge */
-    for (i = 0; i < ih; i++) {
-        if (left[i] != -1)
-            mark_minutiae_in_range(minutiae, to_remove, left[i], i, lfsparms);
-        if (right[i] != -1)
-            mark_minutiae_in_range(minutiae, to_remove, right[i], i, lfsparms);
-    }
-
-    free(left);
-    free(right);
-
-    for (i = minutiae->num - 1; i >= 0; i--) {
-        /* If the current minutia index is flagged for removal ... */
-        if (to_remove[i]){
-            removed ++;
-            /* Remove the minutia from the minutiae list. */
-            if((ret = remove_minutia(i, minutiae))){
-                free(to_remove);
-                return(ret);
-            }
-        }
-    }
-
-    free(to_remove);
-
-    return (0);
-}
-
 /*************************************************************************
 **************************************************************************
 #cat: remove_overlaps - Takes a list of true and false minutiae and
--- a/libfprint/nbis/mindtct/ridges.c
+++ b/libfprint/nbis/mindtct/ridges.c
@@ -147,8 +147,6 @@ int count_minutia_ridges(const int first, MINUTIAE *minutiae,
 {
   int i, ret, *nbr_list, *nbr_nridges, nnbrs;

-   g_assert (lfsparms->max_nbrs > 0);
-
   /* Find up to the maximum number of qualifying neighbors. */
   nbr_list = NULL;
   if((ret = find_neighbors(&nbr_list, &nnbrs, lfsparms->max_nbrs,
@@ -409,8 +407,6 @@ int insert_neighbor(const int pos, const int nbr_index, const double nbr_dist2,
 {
   int i;

-   g_assert (pos >= 0);
-
   /* If the desired insertion position is beyond one passed the last     */
   /* neighbor in the lists OR greater than equal to the maximum ...      */
   /* NOTE: pos is zero-oriented while nnbrs and max_nbrs are 1-oriented. */
--- a/libfprint/nbis/remove-perimeter-pts.patch
+++ b/libfprint/nbis/remove-perimeter-pts.patch
@@ -1,231 +0,0 @@
-diff --git nbis/include/lfs.h nbis/include/lfs.h
-index f4f38d7..8b12e73 100644
--- nbis/include/lfs.h
-+++ nbis/include/lfs.h
-@@ -260,6 +260,8 @@ typedef struct g_lfsparms{
-    int    pores_steps_bwd;
-    double pores_min_dist2;
-    double pores_max_ratio;
-+   int    remove_perimeter_pts;
-+   int    min_pp_distance;
- 
-    /* Ridge Counting Controls */
-    int    max_nbrs;
-@@ -609,6 +611,9 @@ typedef struct g_lfsparms{
- /* contour points to be considered a pore.                               */
- #define PORES_MAX_RATIO          2.25
- 
-+/* Points which are closer than this distance to scan perimeter will be removed */
-+#define PERIMETER_PTS_DISTANCE 10
-+
- 
- /***** RIDGE COUNTING CONSTANTS *****/
- 
-@@ -1123,6 +1128,9 @@ extern int remove_or_adjust_side_minutiae(MINUTIAE *, unsigned char *,
- extern int remove_or_adjust_side_minutiae_V2(MINUTIAE *,
-                   unsigned char *, const int, const int,
-                   int *, const int, const int, const LFSPARMS *);
-+extern int remove_perimeter_pts(MINUTIAE *minutiae,
-+                  unsigned char *bdata, const int iw, const int ih,
-+                  const LFSPARMS *lfsparms);
- 
- /* results.c */
- extern int write_text_results(char *, const int, const int, const int,
-diff --git nbis/mindtct/globals.c nbis/mindtct/globals.c
-index da10c15..79bc583 100644
--- nbis/mindtct/globals.c
-+++ nbis/mindtct/globals.c
-@@ -150,6 +150,8 @@ LFSPARMS g_lfsparms = {
-    PORES_STEPS_BWD,
-    PORES_MIN_DIST2,
-    PORES_MAX_RATIO,
-+   FALSE, /* not removing perimeter points by default */
-+   PERIMETER_PTS_DISTANCE,
- 
-    /* Ridge Counting Controls */
-    MAX_NBRS,
-@@ -234,6 +236,8 @@ LFSPARMS g_lfsparms_V2 = {
-    PORES_STEPS_BWD,
-    PORES_MIN_DIST2,
-    PORES_MAX_RATIO,
-+   FALSE, /* not removing perimeter points by default */
-+   PERIMETER_PTS_DISTANCE,
- 
-    /* Ridge Counting Controls */
-    MAX_NBRS,
-diff --git nbis/mindtct/remove.c nbis/mindtct/remove.c
-index af5ab7d..7311f1c 100644
--- nbis/mindtct/remove.c
-+++ nbis/mindtct/remove.c
-@@ -195,6 +195,11 @@ int remove_false_minutia_V2(MINUTIAE *minutiae,
-       return(ret);
-    }
- 
-+   /* 11. Remove minutiae on image edge */
-+   if((ret = remove_perimeter_pts(minutiae, bdata, iw, ih, lfsparms))) {
-+      return (ret);
-+   }
-+
-    return(0);
- }
- 
-@@ -1329,6 +1334,159 @@ int remove_pointing_invblock_V2(MINUTIAE *minutiae,
-    return(0);
- }
- 
-+static void mark_minutiae_in_range(MINUTIAE *minutiae, int *to_remove, int x, int y,
-+                                   const LFSPARMS *lfsparms)
-+{
-+    int i, dist;
-+    for (i = 0; i < minutiae->num; i++) {
-+        if (to_remove[i])
-+            continue;
-+        dist = (int)sqrt((x - minutiae->list[i]->x) * (x - minutiae->list[i]->x) +
-+                         (y - minutiae->list[i]->y) * (y - minutiae->list[i]->y));
-+        if (dist < lfsparms->min_pp_distance) {
-+            to_remove[i] = 1;
-+        }
-+    }
-+}
-+
-+/*************************************************************************
-+**************************************************************************
-+#cat: remove_perimeter_pts - Takes a list of true and false minutiae and
-+#cat:                attempts to detect and remove those false minutiae that
-+#cat:                belong to image edge
-+
-+   Input:
-+      minutiae  - list of true and false minutiae
-+      bdata     - binary image data (0==while & 1==black)
-+      iw        - width (in pixels) of image
-+      ih        - height (in pixels) of image
-+      lfsparms  - parameters and thresholds for controlling LFS
-+   Output:
-+      minutiae  - list of pruned minutiae
-+   Return Code:
-+      Zero     - successful completion
-+      Negative - system error
-+**************************************************************************/
-+int remove_perimeter_pts(MINUTIAE *minutiae,
-+                       unsigned char *bdata, const int iw, const int ih,
-+                       const LFSPARMS *lfsparms)
-+{
-+    int i, j, ret, *to_remove;
-+    int *left, *left_up, *left_down;
-+    int *right, *right_up, *right_down;
-+    int removed = 0;
-+    int left_min, right_max;
-+
-+    if (!lfsparms->remove_perimeter_pts)
-+        return(0);
-+
-+    to_remove = calloc(minutiae->num, sizeof(int));
-+    left = calloc(ih, sizeof(int));
-+    left_up = calloc(ih, sizeof(int));
-+    left_down = calloc(ih, sizeof(int));
-+    right = calloc(ih, sizeof(int));
-+    right_up = calloc(ih, sizeof(int));
-+    right_down = calloc(ih, sizeof(int));
-+
-+    /* Pass downwards */
-+    left_min = iw - 1;
-+    right_max = 0;
-+    for (i = 0; i < ih; i++) {
-+        for (j = 0; j < left_min; j++) {
-+            if ((bdata[i * iw + j] != 0)) {
-+                left_min = j;
-+                break;
-+            }
-+        }
-+        if (left_min == (iw - 1))
-+            left_down[i] = -1;
-+        else
-+            left_down[i] = left_min;
-+        for (j = iw - 1; j >= right_max; j--) {
-+            if ((bdata[i * iw + j] != 0)) {
-+                right_max = j;
-+                break;
-+            }
-+        }
-+        if (right_max == 0)
-+            right_down[i] = -1;
-+        else
-+            right_down[i] = right_max;
-+    }
-+
-+    /* Pass upwards */
-+    left_min = iw - 1;
-+    right_max = 0;
-+    for (i = ih - 1; i >= 0; i--) {
-+        for (j = 0; j < left_min; j++) {
-+            if ((bdata[i * iw + j] != 0)) {
-+                left_min = j;
-+                break;
-+            }
-+        }
-+        if (left_min == (iw - 1))
-+            left_up[i] = -1;
-+        else
-+            left_up[i] = left_min;
-+        for (j = iw - 1; j >= right_max; j--) {
-+            if ((bdata[i * iw + j] != 0)) {
-+                right_max = j;
-+                break;
-+            }
-+        }
-+        if (right_max == 0)
-+            right_up[i] = -1;
-+        else
-+            right_up[i] = right_max;
-+    }
-+
-+    /* Merge */
-+    left_min = left_down[ih - 1];
-+    right_max = right_down[ih - 1];
-+    for (i = 0; i < ih; i++) {
-+        if (left_down[i] != left_min)
-+            left[i] = left_down[i];
-+        else
-+            left[i] = left_up[i];
-+
-+        if (right_down[i] != right_max)
-+            right[i] = right_down[i];
-+        else
-+            right[i] = right_up[i];
-+    }
-+    free(left_up);
-+    free(left_down);
-+    free(right_up);
-+    free(right_down);
-+
-+    /* Mark minitiae close to the edge */
-+    for (i = 0; i < ih; i++) {
-+        if (left[i] != -1)
-+            mark_minutiae_in_range(minutiae, to_remove, left[i], i, lfsparms);
-+        if (right[i] != -1)
-+            mark_minutiae_in_range(minutiae, to_remove, right[i], i, lfsparms);
-+    }
-+
-+    free(left);
-+    free(right);
-+
-+    for (i = minutiae->num - 1; i >= 0; i--) {
-+        /* If the current minutia index is flagged for removal ... */
-+        if (to_remove[i]){
-+            removed ++;
-+            /* Remove the minutia from the minutiae list. */
-+            if((ret = remove_minutia(i, minutiae))){
-+                free(to_remove);
-+                return(ret);
-+            }
-+        }
-+    }
-+
-+    free(to_remove);
-+
-+    return (0);
-+}
-+
- /*************************************************************************
- **************************************************************************
- #cat: remove_overlaps - Takes a list of true and false minutiae and
--- a/libfprint/nbis/update-from-nbis.sh
+++ b/libfprint/nbis/update-from-nbis.sh
@@ -192,9 +192,3 @@ spatch --sp-file remove-global-y.cocci bozorth3/* include/bozorth.h --in-place
 # The above leaves an unused variable around, triggering a warning
 # remove it.
 patch -p0 < glib-mem-warning.patch
-
-# Also fix some scan-build warnings, mostly by adding assertions
-patch -p0 < fix-scan-build-reports.patch
-
-# Add pass to remove perimeter points
-patch -p0 < remove-perimeter-pts.patch
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('libfprint', [ 'c', 'cpp' ],
-    version: '1.90.3',
+    version: '1.90.1',
    license: 'LGPLv2.1+',
    default_options: [
        'buildtype=debugoptimized',
@@ -88,7 +88,7 @@ cairo_dep = dependency('cairo', required: false)

 # Drivers
 drivers = get_option('drivers').split(',')
-virtual_drivers = [ 'virtual_image' ]
+virtual_drivers = [ 'virtual_image', 'virtual_device' ]
 default_drivers = [
    'upektc_img',
    'vfs5011',
@@ -110,7 +110,6 @@ default_drivers = [
    'upektc',
    'upeksonly',
    'upekts',
-    'goodixmoc',
 ]

 all_drivers = default_drivers + virtual_drivers
--- a/tests/README.md
+++ b/tests/README.md
@@ -1,94 +0,0 @@
-`umockdev` Tests
-================
-`umockdev` tests use fingerprint devices mocked by [`umockdev`
-toolchain][umockdev].
-
-This document describes how to create a 'capture' test: a test that
-captures a picture of a fingerprint from the device (mocked by
-`umockdev`) and compares it with the standard one.
-
-Other kinds of `umockdev` tests could be created in a similar manner.
-
-
-'Capture' Test Creation
-----------------------
-A new 'capture' test is created by means of `capture.py` script:
-
-1. Create (if needed) a directory for the driver under `tests`
-   directory:
-
-   `mkdir DRIVER`
-
-2. Prepare your execution environment.
-
-   In the next step a working and up to date libfprint is needed. This can be
-   achieved by installing it into your system. Alternatively, you can set
-   the following environment variables to run a local build:
-   - `export LD_PRELOAD=<meson-build-dir>/libfprint/libfprint-2.so`
-   - `export GI_TYPELIB_PATH=<meson-build-dir>/libfprint`
-
-   Also, sometimes the driver must be adopted to the emulated environment
-   (mainly if it uses random numbers, see `synaptics.c` for an example).
-   Set the following environment variable to enable this adaptation:
-   - `export FP_DEVICE_EMULATION=1`
-
-   Run the next steps in the same terminal.
-
-3. Find the real USB fingerprint device with `lsusb`, e.g.:
-
-   `Bus 001 Device 005: ID 138a:0090 Validity Sensors, Inc. VFS7500 Touch Fingerprint Sensor`
-
-   The following USB device is used in the example above:
-   `/dev/bus/usb/001/005`.
-
-4. Record information about this device:
-
-   `umockdev-record /dev/bus/usb/001/005 > DRIVER/device`
-
-5. Record interaction of `capture.py` (or other test) with the device:
-
-   `umockdev-record -i /dev/bus/usb/001/005=DRIVER/capture.ioctl -- python3 ./capture.py DRIVER/capture.png`
-
-   Files `capture.ioctl` and `capture.png` will be created as the
-   result of this command.
-
-6. Add driver's name to `drivers_tests` in the `meson.build`.
-7. Check whether everything works as expected.
-
-**Note.** To avoid submitting a real fingerprint, the side of finger,
-arm, or anything else producing an image with the device can be used.
-
-
-Possible Issues
---------------
-`umockdev-record` aggressively groups URBs. In most cases, manual
-intervention is unfortunately required. Often, drivers do a chain of
-commands like: A then B each with a different reply. However,
-`umockdev-record` could create a file like this:
-
-    A
-     reply 1
-     reply 2
-    B
-     reply 1
-     reply 2
-
-In that case, records must be re-ordered:
-
-    A
-     reply 1
-    B
-     reply 1
-    A
-     reply 2
-    B
-     reply 2
-
-Other changes may be needed to get everything working. For example the
-`elan` driver relies on a timeout that is not reported correctly. In
-this case the driver works around it by interpreting the protocol
-error differently in the virtual environment (by means of
-`FP_DEVICE_EMULATION` environment variable).
-
-
-[umockdev]: https://github.com/martinpitt/umockdev
--- a/tests/goodixmoc/custom.ioctl
+++ b/tests/goodixmoc/custom.ioctl
@@ -1,307 +0,0 @@
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-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
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-USBDEVFS_REAPURBNDELAY 0 3 1 0 0 13 13 0 B002002905004AB5002B5AB4E0
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-  USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 64 0 AA00005208006F9000B00201C8DE9ECE000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
-    USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 128 0 B00200534500F10E0077007A00720083007500930073007E006E008200000000000000000000000000AE00A400AC009F00B100A200A900A200A3009C00000000000000000000000000C5190965720083007500930073007E006E008200000000000000000000000000AE00A400AC009F00B100A200A900A200A3009C00000000
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-  USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 64 0 AA000054080012ED00A20001BF88EE26000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
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-USBDEVFS_REAPURBNDELAY 0 3 1 0 0 15 15 0 A000002B0700EC13016450E50CF13F
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-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
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-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
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-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
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-USBDEVFS_REAPURBNDELAY 0 3 1 0 0 15 15 0 A00000310700C9360164507EDE474C
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-USBDEVFS_REAPURBNDELAY 0 3 1 0 0 13 13 0 B0020032050004FB00326A5B9D
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-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
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-  USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 64 0 AA000066080025DA00A200016833572C000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
-    USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 64 0 A20000670700C23D0057645CD0AEF300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-USBDEVFS_REAPURBNDELAY 0 3 1 0 0 15 15 0 A0000034070009F6016450C7D6FF9B
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-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
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-USBDEVFS_REAPURBNDELAY 0 3 1 0 0 15 15 0 A3000035070019E6000F41EC883513
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-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
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-    USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 64 0 A200007107001DE2005A635942221700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-USBDEVFS_REAPURBNDELAY 0 3 1 0 0 44 44 0 A50000392400847B000000000000000000000000000000000000000000000000000000000000000038910386
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-  USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 64 0 AA00007208002CD300A5000129052BF2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
-    USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 192 0 A50000739300A15E005A632900000000640043010107000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001E4650312D30303030303030302D302D30303030303030302D6E6F626F6479008B7767E4A81CC57C17A21C0F44B08232229E7F2E5DBFA70A5CEF58A3966ED710002FF9938030303030303030302D302D30303030303030302D6E6F626F6479008B7767E4A81CC57C17A2
-USBDEVFS_REAPURBNDELAY 0 3 1 0 0 15 15 0 a200003a07007788010023107a86d3
- USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
-  USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 64 0 AA0000700800FA0500A20001E14E401B000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
-    USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 64 0 A200007107001DE2005A635942221700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-USBDEVFS_REAPURBNDELAY 0 3 1 0 0 44 44 0 a500003b240052ad0000000000000000000000000000000000000000000000000000000000000000828af704
- USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
-  USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 64 0 AA00007208002CD300A5000129052BF2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
-    USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 192 0 A50000739300A15E005A632900000000640043010107000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001E4650312D30303030303030302D302D30303030303030302D6E6F626F6479008B7767E4A81CC57C17A21C0F44B08232229E7F2E5DBFA70A5CEF58A3966ED710002FF9938030303030303030302D302D30303030303030302D6E6F626F6479008B7767E4A81CC57C17A2
-USBDEVFS_REAPURBNDELAY 0 3 1 0 0 114 114 0 a700003c6a009b64640043010100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001e4650312d30303030303030302d302d30303030303030302d6e6f626f647900473c9b29
- USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
-  USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 64 0 AA000074080051AE00A70001AC924B34000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-   USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 0 0 
-    USBDEVFS_REAPURBNDELAY 0 3 131 0 0 2048 64 0 A7000075050011EE00ACFFDA28000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
--- a/tests/goodixmoc/custom.py
+++ b/tests/goodixmoc/custom.py
@@ -1,50 +0,0 @@
-#!/usr/bin/python3
-
-import gi
-gi.require_version('FPrint', '2.0')
-from gi.repository import FPrint, GLib
-
-ctx = GLib.main_context_default()
-
-c = FPrint.Context()
-c.enumerate()
-devices = c.get_devices()
-
-d = devices[0]
-del devices
-
-assert d.get_driver() == "goodixmoc"
-
-d.open_sync()
-
-template = FPrint.Print.new(d)
-
-def enroll_progress(*args):
-    print('enroll progress: ' + str(args))
-
-# List, enroll, list, verify, identify, delete
-print("enrolling")
-p = d.enroll_sync(template, None, enroll_progress, None)
-print("enroll done")
-
-print("listing")
-stored = d.list_prints_sync()
-print("listing done")
-assert len(stored) == 1
-assert stored[0].equal(p)
-print("verifying")
-verify_res, verify_print = d.verify_sync(p)
-print("verify done")
-assert verify_res == True
-print("identifying")
-identify_match, identify_print = d.identify_sync(stored)
-print("identify done")
-assert identify_match.equal(identify_print)
-
-print("deleting")
-d.delete_print_sync(p)
-print("delete done")
-d.close_sync()
-
-del d
-del c
--- a/tests/goodixmoc/device
+++ b/tests/goodixmoc/device
@@ -1,171 +0,0 @@
-P: /devices/pci0000:00/0000:00:14.0/usb1/1-8
-N: bus/usb/001/003=12010002EF000040C627A26000010102030109022000010103A0320904000002FF0000040705830240000007050102400000
-E: DEVNAME=/dev/bus/usb/001/003
-E: DEVTYPE=usb_device
-E: DRIVER=usb
-E: PRODUCT=27c6/60a2/100
-E: TYPE=239/0/0
-E: BUSNUM=001
-E: DEVNUM=003
-E: MAJOR=189
-E: MINOR=2
-E: SUBSYSTEM=usb
-E: ID_VENDOR=Goodix_Technology_Co.__Ltd.
-E: ID_VENDOR_ENC=Goodix\x20Technology\x20Co.\x2c\x20Ltd.
-E: ID_VENDOR_ID=27c6
-E: ID_MODEL=Goodix_USB2.0_MISC
-E: ID_MODEL_ENC=Goodix\x20USB2.0\x20MISC
-E: ID_MODEL_ID=60a2
-E: ID_REVISION=0100
-E: ID_SERIAL=Goodix_Technology_Co.__Ltd._Goodix_USB2.0_MISC_UIDCBEE4D7B_XXXX_MOC_B0
-E: ID_SERIAL_SHORT=UIDCBEE4D7B_XXXX_MOC_B0
-E: ID_BUS=usb
-E: ID_USB_INTERFACES=:ff0000:
-E: ID_VENDOR_FROM_DATABASE=Shenzhen Goodix Technology Co.,Ltd.
-E: ID_PATH=pci-0000:00:14.0-usb-0:8
-E: ID_PATH_TAG=pci-0000_00_14_0-usb-0_8
-E: LIBFPRINT_DRIVER=AuthenTec AES1610
-A: authorized=1
-A: avoid_reset_quirk=0
-A: bConfigurationValue=1
-A: bDeviceClass=ef
-A: bDeviceProtocol=00
-A: bDeviceSubClass=00
-A: bMaxPacketSize0=64
-A: bMaxPower=100mA
-A: bNumConfigurations=1
-A: bNumInterfaces= 1
-A: bcdDevice=0100
-A: bmAttributes=a0
-A: busnum=1
-A: configuration=UIDCBEE4D7B_XXXX_MOC_B0
-H: descriptors=12010002EF000040C627A26000010102030109022000010103A0320904000002FF0000040705830240000007050102400000
-A: dev=189:2
-A: devnum=3
-A: devpath=8
-L: driver=../../../../../bus/usb/drivers/usb
-A: idProduct=60a2
-A: idVendor=27c6
-A: ltm_capable=no
-A: manufacturer=Goodix Technology Co., Ltd.
-A: maxchild=0
-L: port=../1-0:1.0/usb1-port8
-A: power/active_duration=324448
-A: power/async=enabled
-A: power/autosuspend=2
-A: power/autosuspend_delay_ms=2000
-A: power/connected_duration=5916532
-A: power/control=auto
-A: power/level=auto
-A: power/persist=1
-A: power/runtime_active_kids=0
-A: power/runtime_active_time=327268
-A: power/runtime_enabled=enabled
-A: power/runtime_status=active
-A: power/runtime_suspended_time=5588987
-A: power/runtime_usage=0
-A: power/wakeup=disabled
-A: power/wakeup_abort_count=
-A: power/wakeup_active=
-A: power/wakeup_active_count=
-A: power/wakeup_count=
-A: power/wakeup_expire_count=
-A: power/wakeup_last_time_ms=
-A: power/wakeup_max_time_ms=
-A: power/wakeup_total_time_ms=
-A: product=Goodix USB2.0 MISC
-A: quirks=0x0
-A: removable=fixed
-A: rx_lanes=1
-A: serial=UIDCBEE4D7B_XXXX_MOC_B0
-A: speed=12
-A: tx_lanes=1
-A: urbnum=2180
-A: version= 2.00
-
-P: /devices/pci0000:00/0000:00:14.0/usb1
-N: bus/usb/001/001=12010002090001406B1D020004050302010109021900010100E0000904000001090000000705810304000C
-E: DEVNAME=/dev/bus/usb/001/001
-E: DEVTYPE=usb_device
-E: DRIVER=usb
-E: PRODUCT=1d6b/2/504
-E: TYPE=9/0/1
-E: BUSNUM=001
-E: DEVNUM=001
-E: MAJOR=189
-E: MINOR=0
-E: SUBSYSTEM=usb
-E: ID_VENDOR=Linux_5.4.0-29-generic_xhci-hcd
-E: ID_VENDOR_ENC=Linux\x205.4.0-29-generic\x20xhci-hcd
-E: ID_VENDOR_ID=1d6b
-E: ID_MODEL=xHCI_Host_Controller
-E: ID_MODEL_ENC=xHCI\x20Host\x20Controller
-E: ID_MODEL_ID=0002
-E: ID_REVISION=0504
-E: ID_SERIAL=Linux_5.4.0-29-generic_xhci-hcd_xHCI_Host_Controller_0000:00:14.0
-E: ID_SERIAL_SHORT=0000:00:14.0
-E: ID_BUS=usb
-E: ID_USB_INTERFACES=:090000:
-E: ID_VENDOR_FROM_DATABASE=Linux Foundation
-E: ID_MODEL_FROM_DATABASE=2.0 root hub
-E: ID_PATH=pci-0000:00:14.0
-E: ID_PATH_TAG=pci-0000_00_14_0
-E: ID_FOR_SEAT=usb-pci-0000_00_14_0
-E: TAGS=:seat:
-A: authorized=1
-A: authorized_default=1
-A: avoid_reset_quirk=0
-A: bConfigurationValue=1
-A: bDeviceClass=09
-A: bDeviceProtocol=01
-A: bDeviceSubClass=00
-A: bMaxPacketSize0=64
-A: bMaxPower=0mA
-A: bNumConfigurations=1
-A: bNumInterfaces= 1
-A: bcdDevice=0504
-A: bmAttributes=e0
-A: busnum=1
-A: configuration=
-H: descriptors=12010002090001406B1D020004050302010109021900010100E0000904000001090000000705810304000C
-A: dev=189:0
-A: devnum=1
-A: devpath=0
-L: driver=../../../../bus/usb/drivers/usb
-A: idProduct=0002
-A: idVendor=1d6b
-A: interface_authorized_default=1
-A: ltm_capable=no
-A: manufacturer=Linux 5.4.0-29-generic xhci-hcd
-A: maxchild=12
-A: power/active_duration=5879432
-A: power/async=enabled
-A: power/autosuspend=0
-A: power/autosuspend_delay_ms=0
-A: power/connected_duration=5916912
-A: power/control=auto
-A: power/level=auto
-A: power/runtime_active_kids=2
-A: power/runtime_active_time=5879430
-A: power/runtime_enabled=enabled
-A: power/runtime_status=active
-A: power/runtime_suspended_time=37481
-A: power/runtime_usage=0
-A: power/wakeup=disabled
-A: power/wakeup_abort_count=
-A: power/wakeup_active=
-A: power/wakeup_active_count=
-A: power/wakeup_count=
-A: power/wakeup_expire_count=
-A: power/wakeup_last_time_ms=
-A: power/wakeup_max_time_ms=
-A: power/wakeup_total_time_ms=
-A: product=xHCI Host Controller
-A: quirks=0x0
-A: removable=unknown
-A: rx_lanes=1
-A: serial=0000:00:14.0
-A: speed=480
-A: tx_lanes=1
-A: urbnum=1319
-A: version= 2.00
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -18,10 +18,8 @@ envs.set('NO_AT_BRIDGE', '1')

 drivers_tests = [
    'elan',
-    'synaptics',
-    'vfs0050',
    'vfs5011',
-    'goodixmoc',
+    'synaptics',
 ]

 if get_option('introspection')
--- a/tests/test-device-fake.c
+++ b/tests/test-device-fake.c
@@ -100,10 +100,7 @@ fpi_device_fake_enroll (FpDevice *device)
  fpi_device_get_enroll_data (device, (FpPrint **) &fake_dev->action_data);

  if (!print && !fake_dev->ret_error)
-    {
-      fpi_device_get_enroll_data (device, &print);
-      fpi_print_set_type (print, FPI_PRINT_RAW);
-    }
+    fpi_device_get_enroll_data (device, &print);

  fpi_device_enroll_complete (device,
                              print ? g_object_ref (print) : NULL,
--- a/tests/test-fp-context.c
+++ b/tests/test-fp-context.c
@@ -49,7 +49,7 @@ test_context_has_virtual_device (void)
  GPtrArray *devices;
  unsigned int i;

-  fpt_setup_virtual_device_environment ();
+  fpt_setup_virtual_device_environment (FPT_VIRTUAL_DEVICE_IMAGE);

  context = fp_context_new ();
  devices = fp_context_get_devices (context);
@@ -70,7 +70,7 @@ test_context_has_virtual_device (void)

  g_assert_true (FP_IS_DEVICE (virtual_device));

-  fpt_teardown_virtual_device_environment ();
+  fpt_teardown_virtual_device_environment (FPT_VIRTUAL_DEVICE_IMAGE);
 }

 static void
@@ -81,7 +81,7 @@ test_context_enumerates_new_devices (void)

  context = fp_context_new ();

-  fpt_setup_virtual_device_environment ();
+  fpt_setup_virtual_device_environment (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_context_enumerate (context);
  devices = fp_context_get_devices (context);
@@ -89,7 +89,7 @@ test_context_enumerates_new_devices (void)
  g_assert_nonnull (devices);
  g_assert_cmpuint (devices->len, ==, 1);

-  fpt_teardown_virtual_device_environment ();
+  fpt_teardown_virtual_device_environment (FPT_VIRTUAL_DEVICE_IMAGE);
 }

 int
--- a/tests/test-fp-device.c
+++ b/tests/test-fp-device.c
@@ -36,7 +36,7 @@ on_device_opened (FpDevice *dev, GAsyncResult *res, FptContext *tctx)
 static void
 test_device_open_async (void)
 {
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open (tctx->device, NULL, (GAsyncReadyCallback) on_device_opened, tctx);

@@ -59,7 +59,7 @@ on_device_closed (FpDevice *dev, GAsyncResult *res, FptContext *tctx)
 static void
 test_device_close_async (void)
 {
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open (tctx->device, NULL, (GAsyncReadyCallback) on_device_opened, tctx);
  while (!tctx->user_data)
@@ -76,7 +76,7 @@ static void
 test_device_open_sync (void)
 {
  g_autoptr(GError) error = NULL;
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open_sync (tctx->device, NULL, &error);
  g_assert_no_error (error);
@@ -97,7 +97,7 @@ static void
 test_device_open_sync_notify (void)
 {
  g_autoptr(GError) error = NULL;
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  g_signal_connect (tctx->device, "notify::open", G_CALLBACK (on_open_notify), tctx);
  fp_device_open_sync (tctx->device, NULL, &error);
@@ -109,7 +109,7 @@ static void
 test_device_close_sync (void)
 {
  g_autoptr(GError) error = NULL;
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open_sync (tctx->device, NULL, NULL);
  fp_device_close_sync (tctx->device, NULL, &error);
@@ -131,7 +131,7 @@ static void
 test_device_close_sync_notify (void)
 {
  g_autoptr(GError) error = NULL;
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open_sync (tctx->device, NULL, NULL);

@@ -144,7 +144,7 @@ test_device_close_sync_notify (void)
 static void
 test_device_get_driver (void)
 {
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open_sync (tctx->device, NULL, NULL);
  g_assert_cmpstr (fp_device_get_driver (tctx->device), ==, "virtual_image");
@@ -153,7 +153,7 @@ test_device_get_driver (void)
 static void
 test_device_get_device_id (void)
 {
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open_sync (tctx->device, NULL, NULL);
  g_assert_cmpstr (fp_device_get_device_id (tctx->device), ==, "0");
@@ -162,7 +162,7 @@ test_device_get_device_id (void)
 static void
 test_device_get_name (void)
 {
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open_sync (tctx->device, NULL, NULL);
  g_assert_cmpstr (fp_device_get_name (tctx->device), ==,
@@ -172,7 +172,7 @@ test_device_get_name (void)
 static void
 test_device_get_scan_type (void)
 {
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open_sync (tctx->device, NULL, NULL);
  g_assert_cmpint (fp_device_get_scan_type (tctx->device), ==, FP_SCAN_TYPE_SWIPE);
@@ -181,7 +181,7 @@ test_device_get_scan_type (void)
 static void
 test_device_get_nr_enroll_stages (void)
 {
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open_sync (tctx->device, NULL, NULL);
  g_assert_cmpuint (fp_device_get_nr_enroll_stages (tctx->device), ==, 5);
@@ -190,7 +190,7 @@ test_device_get_nr_enroll_stages (void)
 static void
 test_device_supports_identify (void)
 {
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open_sync (tctx->device, NULL, NULL);
  g_assert_true (fp_device_supports_identify (tctx->device));
@@ -199,7 +199,7 @@ test_device_supports_identify (void)
 static void
 test_device_supports_capture (void)
 {
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open_sync (tctx->device, NULL, NULL);
  g_assert_true (fp_device_supports_capture (tctx->device));
@@ -208,7 +208,7 @@ test_device_supports_capture (void)
 static void
 test_device_has_storage (void)
 {
-  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_imgdev ();
+  g_autoptr(FptContext) tctx = fpt_context_new_with_virtual_device (FPT_VIRTUAL_DEVICE_IMAGE);

  fp_device_open_sync (tctx->device, NULL, NULL);
  g_assert_false (fp_device_has_storage (tctx->device));
--- a/tests/test-fpi-assembling.c
+++ b/tests/test-fpi-assembling.c
@@ -81,8 +81,6 @@ test_frame_assembling (void)
  ctx.frame_height = 20;
  ctx.image_width = width;

-  g_assert (height > ctx.frame_height);
-
  offset = 10;
  test_height = height - (height - ctx.frame_height) % offset;

--- a/tests/test-fpi-device.c
+++ b/tests/test-fpi-device.c
@@ -541,24 +541,6 @@ test_driver_enroll_error_no_print (void)
  g_assert_true (error == g_steal_pointer (&fake_dev->ret_error));
  g_assert_null (out_print);
  g_assert_null (fake_dev->ret_print);
-  g_clear_error (&error);
-
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
-                         "*Driver did not set the type on the returned print*");
-
-  fake_dev->ret_error = NULL;
-  fake_dev->ret_print = fp_print_new (device); /* Type not set. */
-  g_object_add_weak_pointer (G_OBJECT (fake_dev->ret_print),
-                             (gpointer) (&fake_dev->ret_print));
-  out_print =
-    fp_device_enroll_sync (device, fp_print_new (device), NULL, NULL, NULL, &error);
-
-  g_test_assert_expected_messages ();
-  g_assert (fake_dev->last_called_function == dev_class->enroll);
-  g_assert_error (error, FP_DEVICE_ERROR, FP_DEVICE_ERROR_GENERAL);
-  g_assert_null (out_print);
-  g_assert_null (fake_dev->ret_print);
-  g_clear_error (&error);
 }

 typedef struct
@@ -653,7 +635,7 @@ test_driver_enroll_progress (void)
 {
  g_autoptr(FpAutoResetClass) dev_class = auto_reset_device_class ();
  g_autoptr(FpAutoCloseDevice) device = NULL;
-  G_GNUC_UNUSED g_autoptr(FpPrint) enrolled_print = NULL;
+  g_autoptr(FpPrint) enrolled_print = NULL;
  ExpectedEnrollData expected_enroll_data = {0};
  FpiDeviceFake *fake_dev;

@@ -1373,7 +1355,7 @@ test_driver_identify_report_no_callback (void)
  g_autoptr(MatchCbData) match_data = g_new0 (MatchCbData, 1);
  g_autoptr(GPtrArray) prints = g_ptr_array_new_with_free_func (g_object_unref);
  g_autoptr(FpAutoCloseDevice) device = NULL;
-  G_GNUC_UNUSED g_autoptr(FpPrint) enrolled_print = NULL;
+  g_autoptr(FpPrint) enrolled_print = NULL;
  g_autoptr(FpPrint) print = NULL;
  g_autoptr(FpPrint) match = NULL;
  g_autoptr(GError) error = NULL;
@@ -1511,7 +1493,6 @@ test_driver_list (void)
  g_autoptr(FpAutoCloseDevice) device = auto_close_fake_device_new ();
  FpDeviceClass *dev_class = FP_DEVICE_GET_CLASS (device);
  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
-
  g_autoptr(GPtrArray) prints = g_ptr_array_new_with_free_func (g_object_unref);
  unsigned int i;

@@ -1534,7 +1515,6 @@ test_driver_list_error (void)
  g_autoptr(FpAutoCloseDevice) device = auto_close_fake_device_new ();
  FpDeviceClass *dev_class = FP_DEVICE_GET_CLASS (device);
  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);
-
  g_autoptr(GPtrArray) prints = NULL;

  fake_dev->ret_error = fpi_device_error_new (FP_DEVICE_ERROR_GENERAL);
@@ -1911,7 +1891,7 @@ test_driver_action_error_all (void)
  g_autoptr(GPtrArray) prints = g_ptr_array_new_with_free_func (g_object_unref);
  g_autoptr(GError) error = NULL;
  FpDeviceClass *dev_class = FP_DEVICE_GET_CLASS (device);
-  FpiDeviceFake *fake_dev;
+  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);

  fake_dev = FPI_DEVICE_FAKE (device);
  fake_dev->return_action_error = TRUE;
@@ -1982,7 +1962,7 @@ test_driver_action_error_fallback_all (void)
  g_autoptr(GPtrArray) prints = g_ptr_array_new_with_free_func (g_object_unref);
  g_autoptr(GError) error = NULL;
  FpDeviceClass *dev_class = FP_DEVICE_GET_CLASS (device);
-  FpiDeviceFake *fake_dev;
+  FpiDeviceFake *fake_dev = FPI_DEVICE_FAKE (device);

  fake_dev = FPI_DEVICE_FAKE (device);
  fake_dev->return_action_error = TRUE;
--- a/tests/test-fpi-ssm.c
+++ b/tests/test-fpi-ssm.c
@@ -200,7 +200,7 @@ test_ssm_new_full (void)
 static void
 test_ssm_new_no_handler (void)
 {
-  G_GNUC_UNUSED g_autoptr(FpiSsm) ssm = NULL;
+  g_autoptr(FpiSsm) ssm = NULL;

  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
                         "*BUG:*handler*");
@@ -211,7 +211,7 @@ test_ssm_new_no_handler (void)
 static void
 test_ssm_new_wrong_states (void)
 {
-  G_GNUC_UNUSED g_autoptr(FpiSsm) ssm = NULL;
+  g_autoptr(FpiSsm) ssm = NULL;

  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
                         "*BUG:*nr_states*");
@@ -1172,7 +1172,6 @@ test_ssm_subssm_start (void)
  g_autoptr(FpiSsm) subssm =
    ssm_test_new_full (FPI_TEST_SSM_STATE_NUM, "FPI_TEST_SUB_SSM");
  FpiSsmTestData *data = fpi_ssm_get_data (ssm);
-
  g_autoptr(FpiSsmTestData) subdata =
    fpi_ssm_test_data_ref (fpi_ssm_get_data (subssm));

@@ -1263,7 +1262,6 @@ test_ssm_subssm_start_with_started (void)
  g_autoptr(FpiSsm) subssm =
    ssm_test_new_full (FPI_TEST_SSM_STATE_NUM, "FPI_TEST_SUB_SSM");
  FpiSsmTestData *data = fpi_ssm_get_data (ssm);
-
  g_autoptr(FpiSsmTestData) subdata =
    fpi_ssm_test_data_ref (fpi_ssm_get_data (subssm));

@@ -1307,7 +1305,6 @@ test_ssm_subssm_start_with_delayed (void)
  g_autoptr(FpiSsm) subssm =
    ssm_test_new_full (FPI_TEST_SSM_STATE_NUM, "FPI_TEST_SUB_SSM");
  FpiSsmTestData *data = fpi_ssm_get_data (ssm);
-
  g_autoptr(FpiSsmTestData) subdata =
    fpi_ssm_test_data_ref (fpi_ssm_get_data (subssm));
  gpointer timeout_tracker = GUINT_TO_POINTER (TRUE);
--- a/tests/test-utils.c
+++ b/tests/test-utils.c
@@ -22,41 +22,60 @@

 #include "test-utils.h"

-void
-fpt_teardown_virtual_device_environment (void)
+struct
 {
-  const char *path = g_getenv ("FP_VIRTUAL_IMAGE");
+  const char *envvar;
+  const char *driver_id;
+  const char *device_id;
+} devtype_vars[FPT_NUM_VIRTUAL_DEVICE_TYPES] = {
+  { "FP_VIRTUAL_IMAGE", "virtual_image", "virtual_image" },               /* FPT_VIRTUAL_DEVICE_IMAGE */
+  { "FP_VIRTUAL_DEVICE", "virtual_device", "virtual_device" },            /* FPT_VIRTUAL_DEVICE */
+  { "FP_VIRTUAL_DEVICE_IDENT", "virtual_device", "virtual_device_ident" } /* FPT_VIRTUAL_DEVICE_IDENT */
+};
+
+void
+fpt_teardown_virtual_device_environment (FptVirtualDeviceType devtype)
+{
+  const char *path;
+
+  path = g_getenv (devtype_vars[devtype].envvar);

  if (path)
    {
      g_autofree char *temp_dir = g_path_get_dirname (path);

-      g_unsetenv ("FP_VIRTUAL_IMAGE");
+      g_unsetenv (devtype_vars[devtype].envvar);
      g_unlink (path);
      g_rmdir (temp_dir);
    }
 }

+static FptVirtualDeviceType global_devtype;
+
 static void
 on_signal_event (int sig)
 {
-  fpt_teardown_virtual_device_environment ();
+  fpt_teardown_virtual_device_environment (global_devtype);
 }

 void
-fpt_setup_virtual_device_environment (void)
+fpt_setup_virtual_device_environment (FptVirtualDeviceType devtype)
 {
  g_autoptr(GError) error = NULL;
  g_autofree char *temp_dir = NULL;
  g_autofree char *temp_path = NULL;
+  g_autofree char *filename = NULL;

-  g_assert_null (g_getenv ("FP_VIRTUAL_IMAGE"));
+  g_assert_null (g_getenv (devtype_vars[devtype].envvar));

  temp_dir = g_dir_make_tmp ("libfprint-XXXXXX", &error);
  g_assert_no_error (error);

-  temp_path = g_build_filename (temp_dir, "virtual-image.socket", NULL);
-  g_setenv ("FP_VIRTUAL_IMAGE", temp_path, TRUE);
+  filename = g_strdup_printf ("%s.socket", devtype_vars[devtype].device_id);
+  temp_path = g_build_filename (temp_dir, filename, NULL);
+  g_setenv (devtype_vars[devtype].envvar, temp_path, TRUE);
+
+  global_devtype = devtype;

  signal (SIGKILL, on_signal_event);
  signal (SIGABRT, on_signal_event);
@@ -78,13 +97,16 @@ fpt_context_new (void)
 }

 FptContext *
-fpt_context_new_with_virtual_imgdev (void)
+fpt_context_new_with_virtual_device (FptVirtualDeviceType devtype)
 {
  FptContext *tctx;
  GPtrArray *devices;
  unsigned int i;

-  fpt_setup_virtual_device_environment ();
+  g_assert_true (devtype >= FPT_VIRTUAL_DEVICE_IMAGE &&
+                 devtype < FPT_NUM_VIRTUAL_DEVICE_TYPES);
+
+  fpt_setup_virtual_device_environment (devtype);

  tctx = fpt_context_new ();
  devices = fp_context_get_devices (tctx->fp_context);
@@ -96,7 +118,7 @@ fpt_context_new_with_virtual_imgdev (void)
    {
      FpDevice *device = devices->pdata[i];

-      if (g_strcmp0 (fp_device_get_driver (device), "virtual_image") == 0)
+      if (g_strcmp0 (fp_device_get_driver (device), devtype_vars[devtype].driver_id) == 0)
        {
          tctx->device = device;
          break;
@@ -105,6 +127,7 @@ fpt_context_new_with_virtual_imgdev (void)

  g_assert_true (FP_IS_DEVICE (tctx->device));
  g_object_add_weak_pointer (G_OBJECT (tctx->device), (gpointer) & tctx->device);
+  g_object_set_data (G_OBJECT (tctx->fp_context), "devtype", GUINT_TO_POINTER (devtype));

  return tctx;
 }
@@ -112,6 +135,10 @@ fpt_context_new_with_virtual_imgdev (void)
 void
 fpt_context_free (FptContext *tctx)
 {
+  FptVirtualDeviceType devtype;
+
+  devtype = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (tctx->fp_context), "devtype"));
+
  if (tctx->device && fp_device_is_open (tctx->device))
    {
      g_autoptr(GError) error = NULL;
@@ -123,5 +150,5 @@ fpt_context_free (FptContext *tctx)
  g_clear_object (&tctx->fp_context);
  g_free (tctx);

-  fpt_teardown_virtual_device_environment ();
+  fpt_teardown_virtual_device_environment (devtype);
 }
--- a/tests/test-utils.h
+++ b/tests/test-utils.h
@@ -19,8 +19,15 @@

 #include <glib.h>

-void fpt_setup_virtual_device_environment (void);
-void fpt_teardown_virtual_device_environment (void);
+typedef enum {
+  FPT_VIRTUAL_DEVICE_IMAGE = 0,
+  FPT_VIRTUAL_DEVICE,
+  FPT_VIRTUAL_DEVICE_IDENTIFY,
+  FPT_NUM_VIRTUAL_DEVICE_TYPES
+} FptVirtualDeviceType;
+
+void fpt_setup_virtual_device_environment (FptVirtualDeviceType devtype);
+void fpt_teardown_virtual_device_environment (FptVirtualDeviceType devtype);

 typedef struct _FptContext
 {
@@ -30,7 +37,7 @@ typedef struct _FptContext
 } FptContext;

 FptContext * fpt_context_new (void);
-FptContext * fpt_context_new_with_virtual_imgdev (void);
+FptContext * fpt_context_new_with_virtual_device (FptVirtualDeviceType devtype);

 void fpt_context_free (FptContext *test_context);

--- a/tests/vfs0050/capture-recorded.ioctl
+++ b/tests/vfs0050/capture-recorded.ioctl
--- a/tests/vfs0050/capture.ioctl
+++ b/tests/vfs0050/capture.ioctl
--- a/tests/vfs0050/capture.png
+++ b/tests/vfs0050/capture.png
--- a/tests/vfs0050/device
+++ b/tests/vfs0050/device
@@ -1,83 +0,0 @@
-P: /devices/pci0000:00/0000:00:14.0/usb1/1-9
-N: bus/usb/001/004=12011001FF10FF088A13500060000000010109022E00010100A0320904000004FF00000007050102400000070581024000000705820240000007058303080004
-E: DEVNAME=/dev/bus/usb/001/004
-E: DEVTYPE=usb_device
-E: DRIVER=usb
-E: PRODUCT=138a/50/60
-E: TYPE=255/16/255
-E: BUSNUM=001
-E: DEVNUM=004
-E: MAJOR=189
-E: MINOR=3
-E: SUBSYSTEM=usb
-E: ID_VENDOR=138a
-E: ID_VENDOR_ENC=138a
-E: ID_VENDOR_ID=138a
-E: ID_MODEL=0050
-E: ID_MODEL_ENC=0050
-E: ID_MODEL_ID=0050
-E: ID_REVISION=0060
-E: ID_SERIAL=138a_0050_6d1900a1a0c0
-E: ID_SERIAL_SHORT=6d1900a1a0c0
-E: ID_BUS=usb
-E: ID_USB_INTERFACES=:ff0000:
-E: ID_VENDOR_FROM_DATABASE=Validity Sensors, Inc.
-E: ID_MODEL_FROM_DATABASE=Swipe Fingerprint Sensor
-E: ID_PATH=pci-0000:00:14.0-usb-0:9
-E: ID_PATH_TAG=pci-0000_00_14_0-usb-0_9
-E: LIBFPRINT_DRIVER=Validity VFS0050
-A: authorized=1
-A: avoid_reset_quirk=0
-A: bConfigurationValue=1
-A: bDeviceClass=ff
-A: bDeviceProtocol=ff
-A: bDeviceSubClass=10
-A: bMaxPacketSize0=8
-A: bMaxPower=100mA
-A: bNumConfigurations=1
-A: bNumInterfaces= 1
-A: bcdDevice=0060
-A: bmAttributes=a0
-A: busnum=1
-A: configuration=
-H: descriptors=12011001FF10FF088A13500060000000010109022E00010100A0320904000004FF00000007050102400000070581024000000705820240000007058303080004
-A: dev=189:3
-A: devnum=4
-A: devpath=9
-L: driver=../../../../../bus/usb/drivers/usb
-A: idProduct=0050
-A: idVendor=138a
-A: ltm_capable=no
-A: maxchild=0
-L: port=../1-0:1.0/usb1-port9
-A: power/active_duration=19312
-A: power/async=enabled
-A: power/autosuspend=2
-A: power/autosuspend_delay_ms=2000
-A: power/connected_duration=1037732
-A: power/control=auto
-A: power/level=auto
-A: power/persist=1
-A: power/runtime_active_kids=0
-A: power/runtime_active_time=19151
-A: power/runtime_enabled=enabled
-A: power/runtime_status=active
-A: power/runtime_suspended_time=1018305
-A: power/runtime_usage=0
-A: power/wakeup=disabled
-A: power/wakeup_abort_count=
-A: power/wakeup_active=
-A: power/wakeup_active_count=
-A: power/wakeup_count=
-A: power/wakeup_expire_count=
-A: power/wakeup_last_time_ms=
-A: power/wakeup_max_time_ms=
-A: power/wakeup_total_time_ms=
-A: quirks=0x0
-A: removable=fixed
-A: rx_lanes=1
-A: serial=6d1900a1a0c0
-A: speed=12
-A: tx_lanes=1
-A: urbnum=8
-A: version= 1.10
Author	SHA1	Message	Date
Bastien Nocera	8d871751f6	WIP: shut-up uncrustify	2020-05-07 16:46:00 +02:00
Bastien Nocera	4fdf0eae0f	virtual-device: Add non-imaging mock driver Has 2 variants, one that supports identify, one that doesn't. The mode of operation for this device is: - Run fprintd with "FP_VIRTUAL_DEVICE=/tmp/fprint.socket" - As root: FP_VIRTUAL_DEVICE=/tmp/fprint.socket ./sendvirtcmd.py "ADD left-middle testuser success" FP_VIRTUAL_DEVICE=/tmp/fprint.socket ./sendvirtcmd.py "ADD right-middle testuser failure" - As testuser: fprintd-enroll -f left-middle-finger fprintd-enroll -f right-middle-finger Now, across fprintd restarts (as it has its own storage), verification will always succeed for user "testuser" with the "left-middle-finger". Using the FP_VIRTUAL_DEVICE_IDENT envvar instead will allow identification, with the first found "successful" finger being presented as the identified one.	2020-05-07 16:46:00 +02:00
Bastien Nocera	8632877b95	examples: Add example to feed non-imaging virtual driver Add an example script that can add and remove prints from the non-imaging virtual driver.	2020-05-07 16:46:00 +02:00
Bastien Nocera	170d7c2cf7	virtual-image: Exit early when new connection fails	2020-05-07 16:46:00 +02:00
Bastien Nocera	e2d4b0d249	tests: Add support for creating other virtual readers Add support for creating more virtual readers.	2020-05-07 16:46:00 +02:00
Bastien Nocera	b0c546164e	fpi-device: Allow driver to handle identify for certain variants Rather than requiring a driver to implement a variant with identify support, and another one without, ask the driver whether a particular device supports identification.	2020-05-07 15:01:18 +02:00
Bastien Nocera	f2ae3fb8c5	virtual-image: Remove unnecessary cast	2020-05-07 15:01:18 +02:00