elanspi: Do not allow image captures to be interrupted

Avoid unexpected state changes during image capture. This also means
that the old line handler does not need to check for cancellation.

NEWS

@@ -1,16 +1,6 @@
 This file lists notable changes in each release. For the full history of all
 changes, see ChangeLog.
 
-2021-11-02: v1.94.3 release
-
-Highlights:
- * Ensure idle mainloop before completing enumeration (fprintd#119)
- * It is now possible to extend already enrolled prints
- * elanspi: Fix timeout error with some hardware (#438)
- * elanspi: Fix cancellation issues
- * goodixmoc: Return matching device print; fixes duplicate checking (#444)
- * goodixmoc: Support clearing the storage (usually unused)
-
 2021-11-02: v1.94.2 release
 
 Highlights:

README

@@ -1,10 +1,9 @@
-# libfprint
+libfprint
+=========
 
 libfprint is part of the fprint project:
 https://fprint.freedesktop.org/
 
-## History
-
 libfprint was originally developed as part of an academic project at the
 University of Manchester with the aim of hiding differences between different
 consumer fingerprint scanners and providing a single uniform API to application
@@ -16,8 +15,6 @@ from this one, although I try to keep them as similar as possible (I'm not
 hiding anything in the academic branch, it's just the open source release
 contains some commits excluded from the academic project).
 
-## License
-
 THE UNIVERSITY OF MANCHESTER DOES NOT ENDORSE THIS THIS SOFTWARE RELEASE AND
 IS IN NO WAY RESPONSIBLE FOR THE CODE CONTAINED WITHIN, OR ANY DAMAGES CAUSED
 BY USING OR DISTRIBUTING THE SOFTWARE. Development does not happen on

TODO

@@ -0,0 +1,30 @@
+LIBRARY
+=======
+test suite against NFIQ compliance set
+make library optionally asynchronous and maybe thread-safe
+nbis cleanups
+API function to determine if img device supports uncond. capture
+race-free way of saying "save this print but don't overwrite"
+
+NEW DRIVERS
+===========
+Sunplus 895 driver
+AES3400/3500 driver
+ID Mouse driver
+Support for 2nd generation MS devices
+Support for 2nd generation UPEK devices
+
+IMAGING
+=======
+ignore first frame or two with aes2501
+aes2501: increase threshold "sum" for end-of-image detection
+aes2501 gain calibration
+aes4000 gain calibration
+aes4000 resampling
+PPMM parameter to get_minutiae seems to have no effect
+nbis minutiae should be stored in endian-independent format
+
+PORTABILITY
+===========
+OpenBSD can't do -Wshadow or visibility
+OpenBSD: add compat codes for ENOTSUP ENODATA and EPROTO

data/autosuspend.hwdb

@@ -181,6 +181,7 @@ usb:v06CBp00DF*
 usb:v06CBp00F9*
 usb:v06CBp00FC*
 usb:v06CBp00C2*
+usb:v06CBp00C9*
 usb:v06CBp0100*
 usb:v06CBp00F0*
 usb:v06CBp0103*
@@ -267,19 +268,15 @@ usb:v06CBp008A*
 usb:v06CBp009A*
 usb:v06CBp009B*
 usb:v06CBp00A2*
-usb:v06CBp00A8*
 usb:v06CBp00B7*
 usb:v06CBp00BB*
 usb:v06CBp00BE*
 usb:v06CBp00C4*
 usb:v06CBp00CB*
-usb:v06CBp00C9*
 usb:v06CBp00D8*
 usb:v06CBp00DA*
-usb:v06CBp00DC*
 usb:v06CBp00E7*
 usb:v06CBp00E9*
-usb:v06CBp00FD*
 usb:v0A5Cp5801*
 usb:v0A5Cp5805*
 usb:v0A5Cp5834*
@@ -291,7 +288,6 @@ usb:v0A5Cp5844*
 usb:v0A5Cp5845*
 usb:v0BDAp5812*
 usb:v10A5p0007*
-usb:v10A5p9200*
 usb:v1188p9545*
 usb:v138Ap0007*
 usb:v138Ap003A*
@@ -309,7 +305,6 @@ usb:v1491p0088*
 usb:v16D1p1027*
 usb:v1C7Ap0300*
 usb:v1C7Ap0575*
-usb:v1C7Ap0576*
 usb:v27C6p5042*
 usb:v27C6p5110*
 usb:v27C6p5117*
@@ -329,9 +324,7 @@ usb:v27C6p55A2*
 usb:v27C6p55A4*
 usb:v27C6p55B4*
 usb:v27C6p5740*
-usb:v27C6p5E0A*
 usb:v2808p9338*
-usb:v298Dp2020*
 usb:v298Dp2033*
 usb:v3538p0930*
  ID_AUTOSUSPEND=1

doc/libfprint-2-sections.txt

@@ -247,6 +247,7 @@ fpi_ssm_new_full
 fpi_ssm_free
 fpi_ssm_start
 fpi_ssm_start_subsm
+fpi_ssm_set_critical
 fpi_ssm_next_state
 fpi_ssm_next_state_delayed
 fpi_ssm_jump_to_state

examples/identify.c

@@ -143,7 +143,6 @@ on_identify_cb (FpDevice *dev, FpPrint *match, FpPrint *print,
   if (match)
     {
       g_autoptr(FpPrint) matched_print = g_object_ref (match);
-      const GDate *date;
       char date_str[128] = {};
 
       identify_data->ret_value = EXIT_SUCCESS;
@@ -156,8 +155,7 @@ on_identify_cb (FpDevice *dev, FpPrint *match, FpPrint *print,
             matched_print = g_steal_pointer (&stored_print);
         }
 
-      date = fp_print_get_enroll_date (matched_print);
-      if (date && g_date_valid (date))
+      if (fp_print_get_enroll_date (matched_print))
         g_date_strftime (date_str, G_N_ELEMENTS (date_str), "%Y-%m-%d\0",
                          fp_print_get_enroll_date (matched_print));
       else

examples/manage-prints.c

@@ -161,7 +161,7 @@ on_list_completed (FpDevice     *dev,
                    finger_to_string (fp_print_get_finger (print)),
                    fp_print_get_username (print));
 
-          if (date && g_date_valid (date))
+          if (date)
             {
               g_date_strftime (buf, G_N_ELEMENTS (buf), "%Y-%m-%d\0", date);
               g_print (", enrolled on %s", buf);

examples/verify.c

@@ -130,14 +130,12 @@ on_match_cb (FpDevice *dev, FpPrint *match, FpPrint *print,
 
   if (match)
     {
-      const GDate *date = fp_print_get_enroll_date (match);
-      char date_str[128] = "<unknown>";
+      char date_str[128];
 
       verify_data->ret_value = EXIT_SUCCESS;
 
-      if (date && g_date_valid (date))
-        g_date_strftime (date_str, G_N_ELEMENTS (date_str), "%Y-%m-%d\0",
-                         fp_print_get_enroll_date (match));
+      g_date_strftime (date_str, G_N_ELEMENTS (date_str), "%Y-%m-%d\0",
+                       fp_print_get_enroll_date (match));
       g_debug ("Match report: device %s matched finger %s successifully "
                "with print %s, enrolled on date %s by user %s",
                fp_device_get_name (dev),

libfprint/drivers/elanspi.c

@@ -434,27 +434,9 @@ elanspi_capture_old_line_handler (FpiSpiTransfer *transfer, FpDevice *dev, gpoin
   self->old_data.line_ptr += 1;
   /* if there is still data, continue from check lineready */
   if (self->old_data.line_ptr < self->sensor_height)
-    {
-      fpi_ssm_jump_to_state (transfer->ssm, ELANSPI_CAPTOLD_CHECK_LINEREADY);
-    }
+    fpi_ssm_jump_to_state (transfer->ssm, ELANSPI_CAPTOLD_CHECK_LINEREADY);
   else
-    {
-      /* check for termination */
-      if (fpi_device_get_current_action (dev) == FPI_DEVICE_ACTION_NONE)
-        {
-          fpi_ssm_mark_completed (transfer->ssm);
-          return;
-        }
-      /* check for cancellation */
-      if (fpi_device_action_is_cancelled (dev))
-        {
-          g_cancellable_set_error_if_cancelled (fpi_device_get_cancellable (dev), &error);
-          fpi_ssm_mark_failed (transfer->ssm, error);
-          return;
-        }
-      /* otherwise finish succesfully */
-      fpi_ssm_mark_completed (transfer->ssm);
-    }
+    fpi_ssm_mark_completed (transfer->ssm);
 }
 
 static void
@@ -613,6 +595,7 @@ elanspi_calibrate_old_handler (FpiSsm *ssm, FpDevice *dev)
     case ELANSPI_CALIBOLD_DACFINE_CAPTURE:
       chld = fpi_ssm_new (dev, elanspi_capture_old_handler, ELANSPI_CAPTOLD_NSTATES);
       fpi_ssm_silence_debug (chld);
+      fpi_ssm_set_critical (chld);
       fpi_ssm_start_subsm (ssm, chld);
       return;
 
@@ -868,6 +851,7 @@ elanspi_calibrate_hv_handler (FpiSsm *ssm, FpDevice *dev)
     case ELANSPI_CALIBHV_CAPTURE:
       chld = fpi_ssm_new (dev, elanspi_capture_hv_handler, ELANSPI_CAPTHV_NSTATES);
       fpi_ssm_silence_debug (chld);
+      fpi_ssm_set_critical (chld);
       fpi_ssm_start_subsm (ssm, chld);
       return;
 
@@ -1124,6 +1108,7 @@ do_sw_reset:
       else
         chld = fpi_ssm_new_full (dev, elanspi_calibrate_old_handler, ELANSPI_CALIBOLD_NSTATES, ELANSPI_CALIBOLD_PROTECT, "old calibrate");
       fpi_ssm_silence_debug (chld);
+      fpi_ssm_set_critical (chld);
       fpi_ssm_start_subsm (ssm, chld);
       return;
 
@@ -1133,6 +1118,7 @@ do_sw_reset:
       else
         chld = fpi_ssm_new (dev, elanspi_capture_old_handler, ELANSPI_CAPTOLD_NSTATES);
       fpi_ssm_silence_debug (chld);
+      fpi_ssm_set_critical (chld);
       fpi_ssm_start_subsm (ssm, chld);
       return;
 
@@ -1492,12 +1478,11 @@ elanspi_fp_capture_ssm_handler (FpiSsm *ssm, FpDevice *dev)
       if (self->deactivating)
         {
           fp_dbg ("<capture> got deactivate; exiting");
-
-          self->deactivating = FALSE;
           fpi_ssm_mark_completed (ssm);
 
           /* mark deactivate done */
           fpi_image_device_deactivate_complete (FP_IMAGE_DEVICE (dev), NULL);
+          self->deactivating = FALSE;
 
           return;
         }
@@ -1507,6 +1492,7 @@ elanspi_fp_capture_ssm_handler (FpiSsm *ssm, FpDevice *dev)
       else
         chld = fpi_ssm_new (dev, elanspi_capture_old_handler, ELANSPI_CAPTOLD_NSTATES);
       fpi_ssm_silence_debug (chld);
+      fpi_ssm_set_critical (chld);
       fpi_ssm_start_subsm (ssm, chld);
       return;
 

libfprint/drivers/elanspi.h

@@ -97,37 +97,7 @@ static const struct elanspi_reg_entry elanspi_calibration_table_default[] = {
   {0xff, 0xff}
 };
 
-static const struct elanspi_reg_entry elanspi_calibration_table_id6[] = {
-  {0x2A, 0x07},
-  {0x1,  0x00},
-  {0x2,  0x5f},
-  {0x3,  0x00},
-  {0x4,  0x5f},
-  {0x5,  0x60},
-  {0x6,  0xC0},
-  {0x7,  0x80},
-  {0x8,  0x04},
-  {0xA,  0x97},
-  {0xB,  0x72},
-  {0xC,  0x69},
-  {0xF,  0x2A},
-  {0x11, 0x2A},
-  {0x13, 0x27},
-  {0x15, 0x67},
-  {0x18, 0x04},
-  {0x21, 0x20},
-  {0x22, 0x36},
-  {0x29, 0x02},
-  {0x2A, 0x03},
-  {0x2A, 0x5F},
-  {0x2B, 0xC0},
-  {0x2C, 0x10},
-  {0x2E, 0xFF},
-
-  {0xff, 0xff}
-};
-
-static const struct elanspi_reg_entry elanspi_calibration_table_id57[] = {
+static const struct elanspi_reg_entry elanspi_calibration_table_id567[] = {
   {0x2A, 0x07},
   {0x5,  0x60},
   {0x6,  0xC0},
@@ -173,9 +143,9 @@ static const struct elanspi_regtable elanspi_calibration_table_old = {
   .other = elanspi_calibration_table_default,
   .entries = {
     { .sid = 0x0, .table = elanspi_calibration_table_id0 },
-    { .sid = 0x5, .table = elanspi_calibration_table_id57 },
-    { .sid = 0x6, .table = elanspi_calibration_table_id6 },
-    { .sid = 0x7, .table = elanspi_calibration_table_id57 },
+    { .sid = 0x5, .table = elanspi_calibration_table_id567 },
+    { .sid = 0x6, .table = elanspi_calibration_table_id567 },
+    { .sid = 0x7, .table = elanspi_calibration_table_id567 },
     { .sid = 0x0, .table = NULL }
   }
 };

libfprint/drivers/goodixmoc/goodix.c

@@ -159,7 +159,7 @@ fp_cmd_receive_cb (FpiUsbTransfer *transfer,
     {
       fpi_ssm_mark_failed (transfer->ssm,
                            fpi_device_error_new_msg (FP_DEVICE_ERROR_PROTO,
-                                                     "Corrupted message header received"));
+                                                     "Corrupted message received"));
       return;
     }
 
@@ -420,9 +420,12 @@ fp_verify_cb (FpiDeviceGoodixMoc  *self,
               gxfp_cmd_response_t *resp,
               GError              *error)
 {
+  g_autoptr(GPtrArray) templates = NULL;
   FpDevice *device = FP_DEVICE (self);
-  FpPrint *new_scan = NULL;
-  FpPrint *matching = NULL;
+  FpPrint *match = NULL;
+  FpPrint *print = NULL;
+  gint cnt = 0;
+  gboolean find = false;
 
   if (error)
     {
@@ -431,34 +434,46 @@ fp_verify_cb (FpiDeviceGoodixMoc  *self,
     }
   if (resp->verify.match)
     {
-      new_scan = fp_print_from_template (self, &resp->verify.template);
+      match = fp_print_from_template (self, &resp->verify.template);
 
       if (fpi_device_get_current_action (device) == FPI_DEVICE_ACTION_VERIFY)
         {
-          fpi_device_get_verify_data (device, &matching);
-          if (!fp_print_equal (matching, new_scan))
-            matching = NULL;
+          templates = g_ptr_array_sized_new (1);
+          fpi_device_get_verify_data (device, &print);
+          g_ptr_array_add (templates, print);
         }
       else
         {
-          GPtrArray *templates = NULL;
           fpi_device_get_identify_data (device, &templates);
+          g_ptr_array_ref (templates);
+        }
+      for (cnt = 0; cnt < templates->len; cnt++)
+        {
+          print = g_ptr_array_index (templates, cnt);
 
-          for (gint i = 0; i < templates->len; i++)
+          if (fp_print_equal (print, match))
             {
-              if (fp_print_equal (g_ptr_array_index (templates, i), new_scan))
-                {
-                  matching = g_ptr_array_index (templates, i);
-                  break;
-                }
+              find = true;
+              break;
             }
+
+        }
+      if (find)
+        {
+          if (fpi_device_get_current_action (device) == FPI_DEVICE_ACTION_VERIFY)
+            fpi_device_verify_report (device, FPI_MATCH_SUCCESS, match, error);
+          else
+            fpi_device_identify_report (device, print, match, error);
         }
     }
 
-  if (fpi_device_get_current_action (device) == FPI_DEVICE_ACTION_VERIFY)
-    fpi_device_verify_report (device, matching ? FPI_MATCH_SUCCESS : FPI_MATCH_FAIL, new_scan, error);
-  else
-    fpi_device_identify_report (device, matching, new_scan, error);
+  if (!find)
+    {
+      if (fpi_device_get_current_action (device) == FPI_DEVICE_ACTION_VERIFY)
+        fpi_device_verify_report (device, FPI_MATCH_FAIL, NULL, error);
+      else
+        fpi_device_identify_report (device, NULL, NULL, error);
+    }
 
   fpi_ssm_next_state (self->task_ssm);
 
@@ -749,14 +764,9 @@ fp_enroll_check_duplicate_cb (FpiDeviceGoodixMoc  *self,
     }
   if (resp->check_duplicate_resp.duplicate)
     {
-      g_autoptr(FpPrint) print = NULL;
-
-      print = g_object_ref_sink (fp_print_from_template (self, &resp->check_duplicate_resp.template));
-
       fpi_ssm_mark_failed (self->task_ssm,
                            fpi_device_error_new_msg (FP_DEVICE_ERROR_DATA_DUPLICATE,
-                                                     "Finger was already enrolled as '%s'",
-                                                     fp_print_get_description (print)));
+                                                     "Finger has already enrolled"));
       return;
     }
 
@@ -1160,32 +1170,6 @@ fp_template_delete_cb (FpiDeviceGoodixMoc  *self,
   fp_info ("Successfully deleted enrolled user");
   fpi_device_delete_complete (device, NULL);
 }
-
-static void
-fp_template_delete_all_cb (FpiDeviceGoodixMoc  *self,
-                           gxfp_cmd_response_t *resp,
-                           GError              *error)
-{
-  FpDevice *device = FP_DEVICE (self);
-
-  if (error)
-    {
-      fpi_device_clear_storage_complete (device, error);
-      return;
-    }
-  if ((resp->result >= GX_FAILED) && (resp->result != GX_ERROR_FINGER_ID_NOEXIST))
-    {
-      fpi_device_clear_storage_complete (FP_DEVICE (self),
-                                         fpi_device_error_new_msg (FP_DEVICE_ERROR_GENERAL,
-                                                                   "Failed clear storage, result: 0x%x",
-                                                                   resp->result));
-      return;
-    }
-
-  fp_info ("Successfully cleared storage");
-  fpi_device_clear_storage_complete (device, NULL);
-}
-
 /******************************************************************************
  *
  *  fp_template_list Function
@@ -1509,19 +1493,6 @@ gx_fp_template_delete (FpDevice *device)
 
 }
 
-static void
-gx_fp_template_delete_all (FpDevice *device)
-{
-  FpiDeviceGoodixMoc *self = FPI_DEVICE_GOODIXMOC (device);
-
-  goodix_sensor_cmd (self, MOC_CMD0_DELETETEMPLATE, MOC_CMD1_DELETE_ALL,
-                     false,
-                     NULL,
-                     0,
-                     fp_template_delete_all_cb);
-
-}
-
 static void
 fpi_device_goodixmoc_init (FpiDeviceGoodixMoc *self)
 {
@@ -1565,7 +1536,6 @@ fpi_device_goodixmoc_class_init (FpiDeviceGoodixMocClass *klass)
   dev_class->probe  = gx_fp_probe;
   dev_class->enroll = gx_fp_enroll;
   dev_class->delete = gx_fp_template_delete;
-  dev_class->clear_storage = gx_fp_template_delete_all;
   dev_class->list   = gx_fp_template_list;
   dev_class->verify   = gx_fp_verify_identify;
   dev_class->identify = gx_fp_verify_identify;

libfprint/drivers/goodixmoc/goodix_proto.c

@@ -259,9 +259,12 @@ gx_proto_parse_fingerid (
 
   if (buffer[Offset++] != 67)
     return -1;
+  fid_buffer_size--;
 
   template->type = buffer[Offset++];
+  fid_buffer_size--;
   template->finger_index = buffer[Offset++];
+  fid_buffer_size--;
   Offset++;
   memcpy (template->accountid, &buffer[Offset], sizeof (template->accountid));
   Offset += sizeof (template->accountid);
@@ -270,8 +273,6 @@ gx_proto_parse_fingerid (
   template->payload.size = buffer[Offset++];
   if (template->payload.size > sizeof (template->payload.data))
     return -1;
-  if (template->payload.size + Offset > fid_buffer_size)
-    return -1;
   memset (template->payload.data, 0, template->payload.size);
   memcpy (template->payload.data, &buffer[Offset], template->payload.size);
 
@@ -364,12 +365,9 @@ gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint16_t buffer_len, pgxfp_c
           if (buffer_len < 3)
             return -1;
           uint16_t tid_size = GUINT16_FROM_LE (*(uint16_t *) (buffer + 1));
-          offset += 3;
-
-          if (buffer_len < tid_size + offset)
-            return -1;
-          if (gx_proto_parse_fingerid (buffer + offset, tid_size, &presp->check_duplicate_resp.template) != 0)
+          if ((buffer_len < tid_size + 3) || (buffer_len > sizeof (template_format_t)) + 3)
             return -1;
+          memcpy (&presp->check_duplicate_resp.template, buffer + 3, tid_size);
         }
       break;
 
@@ -382,12 +380,9 @@ gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint16_t buffer_len, pgxfp_c
       fingerlist = buffer + 2;
       for(uint8_t num = 0; num < presp->finger_list_resp.finger_num; num++)
         {
-          uint16_t fingerid_length;
-          if (buffer_len < offset + 2)
-            return -1;
-          fingerid_length = GUINT16_FROM_LE (*(uint16_t *) (fingerlist + offset));
+          uint16_t fingerid_length = GUINT16_FROM_LE (*(uint16_t *) (fingerlist + offset));
           offset += 2;
-          if (buffer_len < fingerid_length + offset)
+          if (buffer_len < fingerid_length + offset + 2)
             return -1;
           if (gx_proto_parse_fingerid (fingerlist + offset,
                                        fingerid_length,
@@ -410,7 +405,7 @@ gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint16_t buffer_len, pgxfp_c
         presp->verify.match = (buffer[0] == 0) ? true : false;
         if (presp->verify.match)
           {
-            if (buffer_len < 10)
+            if (buffer_len < sizeof (template_format_t) + 10)
               return -1;
             offset += 1;
             presp->verify.rejectdetail = GUINT16_FROM_LE (*(uint16_t *) (buffer + offset));
@@ -421,8 +416,6 @@ gx_proto_parse_body (uint16_t cmd, uint8_t *buffer, uint16_t buffer_len, pgxfp_c
             offset += 1;
             fingerid_size = GUINT16_FROM_LE (*(uint16_t *) (buffer + offset));
             offset += 2;
-            if (buffer_len < fingerid_size + offset)
-              return -1;
             if (gx_proto_parse_fingerid (buffer + offset, fingerid_size, &presp->verify.template) != 0)
               {
                 presp->result = GX_FAILED;

libfprint/drivers/synaptics/synaptics.c

@@ -36,6 +36,7 @@ static const FpIdEntry id_table[] = {
   { .vid = SYNAPTICS_VENDOR_ID,  .pid = 0x00F9,  },
   { .vid = SYNAPTICS_VENDOR_ID,  .pid = 0x00FC,  },
   { .vid = SYNAPTICS_VENDOR_ID,  .pid = 0x00C2,  },
+  { .vid = SYNAPTICS_VENDOR_ID,  .pid = 0x00C9,  },
   { .vid = SYNAPTICS_VENDOR_ID,  .pid = 0x0100,  },
   { .vid = SYNAPTICS_VENDOR_ID,  .pid = 0x00F0,  },
   { .vid = SYNAPTICS_VENDOR_ID,  .pid = 0x0103,  },

libfprint/fpi-ssm.c

@@ -81,6 +81,7 @@ struct _FpiSsm
   int                     start_cleanup;
   int                     cur_state;
   gboolean                completed;
+  gboolean                critical;
   gboolean                silence;
   GSource                *timeout;
   GError                 *error;
@@ -277,6 +278,10 @@ fpi_ssm_start (FpiSsm *ssm, FpiSsmCompletedCallback callback)
   ssm->cur_state = 0;
   ssm->completed = FALSE;
   ssm->error = NULL;
+
+  if (ssm->critical)
+    fpi_device_critical_enter (ssm->dev);
+
   __ssm_call_handler (ssm, TRUE);
 }
 
@@ -366,6 +371,10 @@ fpi_ssm_mark_completed (FpiSsm *machine)
 
       machine->callback (machine, machine->dev, error);
     }
+
+  if (machine->critical)
+    fpi_device_critical_leave (machine->dev);
+
   fpi_ssm_free (machine);
 }
 
@@ -660,6 +669,23 @@ fpi_ssm_silence_debug (FpiSsm *machine)
   machine->silence = TRUE;
 }
 
+/**
+ * fpi_ssm_set_critical:
+ * @machine: an #FpiSsm state machine
+ *
+ * Sets up the SSM to hold a critical section in the driver code. See
+ * fpi_device_critical_enter() for more details. This is useful if the SSM must
+ * not be interrupted in order to keep the device in a good state. You can e.g.
+ * guarantee that an image transfer is completed.
+ *
+ * This function must be called before starting the SSM.
+ */
+void
+fpi_ssm_set_critical (FpiSsm *machine)
+{
+  machine->critical = TRUE;
+}
+
 /**
  * fpi_ssm_usb_transfer_cb:
  * @transfer: a #FpiUsbTransfer

libfprint/fpi-ssm.h

@@ -97,6 +97,7 @@ GError * fpi_ssm_dup_error (FpiSsm *machine);
 int fpi_ssm_get_cur_state (FpiSsm *machine);
 
 void fpi_ssm_silence_debug (FpiSsm *machine);
+void fpi_ssm_set_critical (FpiSsm *machine);
 
 /* Callbacks to be used by the driver instead of implementing their own
  * logic.

libfprint/fprint-list-udev-hwdb.c

@@ -42,19 +42,15 @@ static const FpIdEntry whitelist_id_table[] = {
   { .vid = 0x06cb, .pid = 0x009a },
   { .vid = 0x06cb, .pid = 0x009b },
   { .vid = 0x06cb, .pid = 0x00a2 },
-  { .vid = 0x06cb, .pid = 0x00a8 },
   { .vid = 0x06cb, .pid = 0x00b7 },
   { .vid = 0x06cb, .pid = 0x00bb },
   { .vid = 0x06cb, .pid = 0x00be },
   { .vid = 0x06cb, .pid = 0x00c4 },
   { .vid = 0x06cb, .pid = 0x00cb },
-  { .vid = 0x06cb, .pid = 0x00c9 },
   { .vid = 0x06cb, .pid = 0x00d8 },
   { .vid = 0x06cb, .pid = 0x00da },
-  { .vid = 0x06cb, .pid = 0x00dc },
   { .vid = 0x06cb, .pid = 0x00e7 },
   { .vid = 0x06cb, .pid = 0x00e9 },
-  { .vid = 0x06cb, .pid = 0x00fd },
   { .vid = 0x0a5c, .pid = 0x5801 },
   { .vid = 0x0a5c, .pid = 0x5805 },
   { .vid = 0x0a5c, .pid = 0x5834 },
@@ -66,7 +62,6 @@ static const FpIdEntry whitelist_id_table[] = {
   { .vid = 0x0a5c, .pid = 0x5845 },
   { .vid = 0x0bda, .pid = 0x5812 },
   { .vid = 0x10a5, .pid = 0x0007 },
-  { .vid = 0x10a5, .pid = 0x9200 },
   { .vid = 0x1188, .pid = 0x9545 },
   { .vid = 0x138a, .pid = 0x0007 },
   { .vid = 0x138a, .pid = 0x003a },
@@ -84,7 +79,6 @@ static const FpIdEntry whitelist_id_table[] = {
   { .vid = 0x16d1, .pid = 0x1027 },
   { .vid = 0x1c7a, .pid = 0x0300 },
   { .vid = 0x1c7a, .pid = 0x0575 },
-  { .vid = 0x1c7a, .pid = 0x0576 },
   { .vid = 0x27c6, .pid = 0x5042 },
   { .vid = 0x27c6, .pid = 0x5110 },
   { .vid = 0x27c6, .pid = 0x5117 },
@@ -104,9 +98,7 @@ static const FpIdEntry whitelist_id_table[] = {
   { .vid = 0x27c6, .pid = 0x55a4 },
   { .vid = 0x27c6, .pid = 0x55b4 },
   { .vid = 0x27c6, .pid = 0x5740 },
-  { .vid = 0x27c6, .pid = 0x5e0a },
   { .vid = 0x2808, .pid = 0x9338 },
-  { .vid = 0x298d, .pid = 0x2020 },
   { .vid = 0x298d, .pid = 0x2033 },
   { .vid = 0x3538, .pid = 0x0930 },
   { .vid = 0 },

meson.build

@@ -1,5 +1,5 @@
 project('libfprint', [ 'c', 'cpp' ],
-    version: '1.94.3',
+    version: '1.94.2',
     license: 'LGPLv2.1+',
     default_options: [
         'buildtype=debugoptimized',

tests/elanspi/capture.ioctl

@@ -24,10 +24,6 @@ TW 8c62
 TW 805a
 TW 04
 TW aa07
-TW 8100
-TW 825f
-TW 8300
-TW 845f
 TW 8560
 TW 86c0
 TW 8780
@@ -42,11 +38,8 @@ TW 9567
 TW 9804
 TW a120
 TW a236
-TW a902
-TW aa03
 TW aa5f
 TW abc0
-TW ac10
 TW aeff
 TW 01
 TW 03ff

tests/goodixmoc/custom.py

@@ -21,7 +21,7 @@ assert d.has_feature(FPrint.DeviceFeature.DUPLICATES_CHECK)
 assert d.has_feature(FPrint.DeviceFeature.STORAGE)
 assert d.has_feature(FPrint.DeviceFeature.STORAGE_LIST)
 assert d.has_feature(FPrint.DeviceFeature.STORAGE_DELETE)
-assert d.has_feature(FPrint.DeviceFeature.STORAGE_CLEAR)
+assert not d.has_feature(FPrint.DeviceFeature.STORAGE_CLEAR)
 
 d.open_sync()