0ee274946d
The default is actually FPI_PRINT_UNDEFINED and not FPI_PRINT_RAW.
883 lines
24 KiB
C
883 lines
24 KiB
C
/*
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* FPrint Print handling
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* Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
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* Copyright (C) 2019 Benjamin Berg <bberg@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#define FP_COMPONENT "print"
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#include "fp-print-private.h"
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#include "fpi-compat.h"
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#include "fpi-log.h"
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/**
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* SECTION: fp-print
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* @title: FpPrint
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* @short_description: Fingerprint handling
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*
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* Interaction with prints and their storage.
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*/
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/**
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* SECTION: fpi-print
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* @title: Internal FpPrint
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* @short_description: Internal fingerprint handling routines
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*
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* Interaction with prints and their storage. See also the public
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* #FpPrint routines.
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*/
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G_DEFINE_TYPE (FpPrint, fp_print, G_TYPE_INITIALLY_UNOWNED)
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enum {
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PROP_0,
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PROP_DRIVER,
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PROP_DEVICE_ID,
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PROP_DEVICE_STORED,
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PROP_IMAGE,
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/* The following is metadata that is stored by default for each print.
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* Drivers may make use of these during enrollment (e.g. to additionally store
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* the metadata on the device). */
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PROP_FINGER,
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PROP_USERNAME,
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PROP_DESCRIPTION,
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PROP_ENROLL_DATE,
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/* Private property*/
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PROP_FPI_TYPE,
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PROP_FPI_DATA,
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N_PROPS
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};
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static GParamSpec *properties[N_PROPS];
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static void
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fp_print_finalize (GObject *object)
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{
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FpPrint *self = (FpPrint *) object;
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g_clear_object (&self->image);
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g_clear_pointer (&self->device_id, g_free);
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g_clear_pointer (&self->driver, g_free);
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g_clear_pointer (&self->username, g_free);
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g_clear_pointer (&self->description, g_free);
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g_clear_pointer (&self->enroll_date, g_date_free);
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g_clear_pointer (&self->data, g_variant_unref);
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g_clear_pointer (&self->prints, g_ptr_array_unref);
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G_OBJECT_CLASS (fp_print_parent_class)->finalize (object);
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}
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static void
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fp_print_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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FpPrint *self = FP_PRINT (object);
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switch (prop_id)
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{
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case PROP_DRIVER:
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g_value_set_string (value, self->driver);
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break;
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case PROP_DEVICE_ID:
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g_value_set_string (value, self->device_id);
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break;
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case PROP_DEVICE_STORED:
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g_value_set_boolean (value, self->device_stored);
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break;
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case PROP_IMAGE:
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g_value_set_object (value, self->image);
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break;
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case PROP_FINGER:
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g_value_set_enum (value, self->finger);
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break;
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case PROP_USERNAME:
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g_value_set_string (value, self->username);
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break;
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case PROP_DESCRIPTION:
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g_value_set_string (value, self->description);
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break;
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case PROP_ENROLL_DATE:
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g_value_set_boxed (value, self->enroll_date);
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break;
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case PROP_FPI_TYPE:
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g_value_set_enum (value, self->type);
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break;
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case PROP_FPI_DATA:
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g_value_set_variant (value, self->data);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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fp_print_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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FpPrint *self = FP_PRINT (object);
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switch (prop_id)
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{
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case PROP_FPI_TYPE:
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fpi_print_set_type (self, g_value_get_enum (value));
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break;
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case PROP_DRIVER:
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self->driver = g_value_dup_string (value);
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break;
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case PROP_DEVICE_ID:
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self->device_id = g_value_dup_string (value);
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break;
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case PROP_DEVICE_STORED:
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self->device_stored = g_value_get_boolean (value);
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break;
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case PROP_FINGER:
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self->finger = g_value_get_enum (value);
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break;
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case PROP_USERNAME:
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g_clear_pointer (&self->username, g_free);
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self->username = g_value_dup_string (value);
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break;
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case PROP_DESCRIPTION:
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g_clear_pointer (&self->description, g_free);
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self->description = g_value_dup_string (value);
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break;
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case PROP_ENROLL_DATE:
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g_clear_pointer (&self->enroll_date, g_date_free);
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self->enroll_date = g_value_dup_boxed (value);
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break;
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case PROP_FPI_DATA:
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g_clear_pointer (&self->data, g_variant_unref);
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self->data = g_value_dup_variant (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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fp_print_constructed (GObject *obj)
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{
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FpPrint *self = FP_PRINT (obj);
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g_assert (self->driver != NULL);
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g_assert (self->device_id != NULL);
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}
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static void
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fp_print_class_init (FpPrintClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->constructed = fp_print_constructed;
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object_class->finalize = fp_print_finalize;
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object_class->get_property = fp_print_get_property;
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object_class->set_property = fp_print_set_property;
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properties[PROP_DRIVER] =
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g_param_spec_string ("driver",
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"Driver",
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"The name of the driver that created the print",
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NULL,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
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properties[PROP_DEVICE_ID] =
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g_param_spec_string ("device-id",
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"Device ID",
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"Unique ID allowing to check if a device is compatible with the print",
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NULL,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
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properties[PROP_DEVICE_STORED] =
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g_param_spec_boolean ("device-stored",
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"Device Stored",
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"Whether the print is a handle for data that is stored on the device",
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FALSE,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
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properties[PROP_IMAGE] =
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g_param_spec_object ("image",
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"Image",
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"The image that was used for the print, only valid for newly enrolled prints on image based devices",
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FP_TYPE_IMAGE,
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G_PARAM_STATIC_STRINGS | G_PARAM_READABLE);
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properties[PROP_FINGER] =
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g_param_spec_enum ("finger",
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"Finger",
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"The enrolled finger",
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FP_TYPE_FINGER,
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FP_FINGER_UNKNOWN,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
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properties[PROP_USERNAME] =
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g_param_spec_string ("username",
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"Username",
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"The username that the enrolled print belongs to",
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NULL,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
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properties[PROP_DESCRIPTION] =
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g_param_spec_string ("description",
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"Description",
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"A user defined description for the print",
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NULL,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
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properties[PROP_ENROLL_DATE] =
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g_param_spec_boxed ("enroll-date",
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"Enroll Date",
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"The date of enrollment",
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G_TYPE_DATE,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
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/**
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* FpPrint::fpi-type: (skip)
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*
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* This property is only for internal purposes.
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*
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* Stability: private
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*/
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properties[PROP_FPI_TYPE] =
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g_param_spec_enum ("fpi-type",
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"Type",
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"Private: The type of the print data",
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FPI_TYPE_PRINT_TYPE,
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FPI_PRINT_UNDEFINED,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
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/**
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* FpPrint::fpi-data: (skip)
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*
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* This property is only for internal purposes.
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*
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* Stability: private
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*/
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properties[PROP_FPI_DATA] =
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g_param_spec_variant ("fpi-data",
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"Raw Data",
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"The raw data for internal use only",
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G_VARIANT_TYPE_ANY,
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NULL,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
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g_object_class_install_properties (object_class, N_PROPS, properties);
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}
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static void
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fp_print_init (FpPrint *self)
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{
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}
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/**
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* fp_print_new:
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* @device: A #FpDevice
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*
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* Create a new #FpPrint. This is only useful to prepare an enrollment
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* of a new print using fp_device_enroll(). For this you should first
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* create a new print, fill in the relevant metadata, and then start
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* enrollment.
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*
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* Returns: (transfer floating): A newyl created #FpPrint
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*/
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FpPrint *
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fp_print_new (FpDevice *device)
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{
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g_return_val_if_fail (device, NULL);
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return g_object_new (FP_TYPE_PRINT,
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"driver", fp_device_get_driver (device),
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"device-id", fp_device_get_device_id (device),
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NULL);
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}
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/**
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* fp_print_get_driver:
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* @print: A #FpPrint
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*
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* Returns the driver that the print was created for.
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*
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* Returns: (transfer none): The driver
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*/
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const gchar *
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fp_print_get_driver (FpPrint *print)
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{
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g_return_val_if_fail (FP_IS_PRINT (print), NULL);
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return print->driver;
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}
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/**
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* fp_print_get_device_id:
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* @print: A #FpPrint
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*
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* Returns the device ID that the print was created for.
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*
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* Returns: (transfer none): The device ID
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*/
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const gchar *
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fp_print_get_device_id (FpPrint *print)
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{
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g_return_val_if_fail (FP_IS_PRINT (print), NULL);
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return print->device_id;
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}
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/**
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* fp_print_get_device_stored:
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* @print: A #FpPrint
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*
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* Whether the print is actually stored on the device and this is
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* just a handle to use that references the device stored data.
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*
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* Returns: Whether the print is stored on the device
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*/
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gboolean
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fp_print_get_device_stored (FpPrint *print)
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{
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g_return_val_if_fail (FP_IS_PRINT (print), FALSE);
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return print->device_stored;
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}
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/**
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* fp_print_get_image:
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* @print: A #FpPrint
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*
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* Returns the image that the print was created from, or %NULL
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*
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* Returns: (transfer none) (nullable): The #FpImage
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*/
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FpImage *
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fp_print_get_image (FpPrint *print)
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{
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g_return_val_if_fail (FP_IS_PRINT (print), NULL);
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return print->image;
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}
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/**
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* fp_print_get_finger:
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* @print: A #FpPrint
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*
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* Returns the finger that the print was created for.
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*
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* Returns: The #FpFinger
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*/
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FpFinger
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fp_print_get_finger (FpPrint *print)
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{
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g_return_val_if_fail (FP_IS_PRINT (print), FP_FINGER_UNKNOWN);
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return print->finger;
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}
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/**
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* fp_print_get_username:
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* @print: A #FpPrint
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*
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* Returns the user defined username for the print.
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*
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* Returns: (transfer none) (nullable): The username
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*/
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const gchar *
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fp_print_get_username (FpPrint *print)
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{
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g_return_val_if_fail (FP_IS_PRINT (print), NULL);
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return print->username;
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}
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/**
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* fp_print_get_description:
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* @print: A #FpPrint
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*
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* Returns the user defined description for the print.
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*
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* Returns: (transfer none) (nullable): The description
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*/
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const gchar *
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fp_print_get_description (FpPrint *print)
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{
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g_return_val_if_fail (FP_IS_PRINT (print), NULL);
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return print->description;
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}
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/**
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* fp_print_get_enroll_date:
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* @print: A #FpPrint
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*
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* Returns the user defined enroll date for the print.
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*
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* Returns: (transfer none) (nullable): The #GDate
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*/
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const GDate *
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fp_print_get_enroll_date (FpPrint *print)
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{
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g_return_val_if_fail (FP_IS_PRINT (print), NULL);
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return print->enroll_date;
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}
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/**
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* fp_print_set_finger:
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* @print: A #FpPrint
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* @finger: The #FpFinger
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*
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* Set the finger that the print is for.
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*/
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void
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fp_print_set_finger (FpPrint *print,
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FpFinger finger)
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{
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g_return_if_fail (FP_IS_PRINT (print));
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print->finger = finger;
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g_object_notify_by_pspec (G_OBJECT (print), properties[PROP_FINGER]);
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}
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/**
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* fp_print_set_username:
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* @print: A #FpPrint
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* @username: (transfer none): The new username
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*
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* Set the username for the print.
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*/
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void
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fp_print_set_username (FpPrint *print,
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const gchar *username)
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{
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g_return_if_fail (FP_IS_PRINT (print));
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g_clear_pointer (&print->username, g_free);
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print->username = g_strdup (username);
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g_object_notify_by_pspec (G_OBJECT (print), properties[PROP_USERNAME]);
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}
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/**
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* fp_print_set_description:
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* @print: A #FpPrint
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* @description: (transfer none): The new description
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*
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* Set the description for the print.
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*/
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void
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fp_print_set_description (FpPrint *print,
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const gchar *description)
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{
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g_return_if_fail (FP_IS_PRINT (print));
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g_clear_pointer (&print->description, g_free);
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print->description = g_strdup (description);
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g_object_notify_by_pspec (G_OBJECT (print), properties[PROP_DESCRIPTION]);
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}
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/**
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* fp_print_set_enroll_date:
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* @print: A #FpPrint
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* @enroll_date: (transfer none): The new enroll date
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*
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* Set the enroll date for the print.
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*/
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void
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fp_print_set_enroll_date (FpPrint *print,
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const GDate *enroll_date)
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{
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g_return_if_fail (FP_IS_PRINT (print));
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g_clear_pointer (&print->enroll_date, g_date_free);
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if (enroll_date)
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print->enroll_date = g_date_copy (enroll_date);
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g_object_notify_by_pspec (G_OBJECT (print), properties[PROP_ENROLL_DATE]);
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}
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/**
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* fp_print_compatible:
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* @self: A #FpPrint
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* @device: A #FpDevice
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*
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* Tests whether the prints is compatible with the given device.
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*
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* Returns: %TRUE if the print is compatible with the device
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*/
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gboolean
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fp_print_compatible (FpPrint *self, FpDevice *device)
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{
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g_return_val_if_fail (FP_IS_PRINT (self), FALSE);
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g_return_val_if_fail (FP_IS_DEVICE (device), FALSE);
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if (g_strcmp0 (self->driver, fp_device_get_driver (device)))
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return FALSE;
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if (g_strcmp0 (self->device_id, fp_device_get_device_id (device)))
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return FALSE;
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return TRUE;
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}
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/**
|
|
* fp_print_equal:
|
|
* @self: First #FpPrint
|
|
* @other: Second #FpPrint
|
|
*
|
|
* Tests whether the prints can be considered equal. This only compares the
|
|
* actual information about the print, not the metadata.
|
|
*
|
|
* Returns: %TRUE if the prints are equal
|
|
*/
|
|
gboolean
|
|
fp_print_equal (FpPrint *self, FpPrint *other)
|
|
{
|
|
g_return_val_if_fail (FP_IS_PRINT (self), FALSE);
|
|
g_return_val_if_fail (FP_IS_PRINT (other), FALSE);
|
|
g_return_val_if_fail (self->type != FPI_PRINT_UNDEFINED, FALSE);
|
|
g_return_val_if_fail (other->type != FPI_PRINT_UNDEFINED, FALSE);
|
|
|
|
if (self->type != other->type)
|
|
return FALSE;
|
|
|
|
if (g_strcmp0 (self->driver, other->driver))
|
|
return FALSE;
|
|
|
|
if (g_strcmp0 (self->device_id, other->device_id))
|
|
return FALSE;
|
|
|
|
if (self->type == FPI_PRINT_RAW)
|
|
{
|
|
return g_variant_equal (self->data, other->data);
|
|
}
|
|
else if (self->type == FPI_PRINT_NBIS)
|
|
{
|
|
guint i;
|
|
|
|
if (self->prints->len != other->prints->len)
|
|
return FALSE;
|
|
|
|
for (i = 0; i < self->prints->len; i++)
|
|
{
|
|
struct xyt_struct *a = g_ptr_array_index (self->prints, i);
|
|
struct xyt_struct *b = g_ptr_array_index (other->prints, i);
|
|
|
|
if (memcmp (a, b, sizeof (struct xyt_struct)) != 0)
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
g_assert_not_reached ();
|
|
}
|
|
}
|
|
|
|
#define FPI_PRINT_VARIANT_TYPE G_VARIANT_TYPE ("(issbymsmsia{sv}v)")
|
|
|
|
G_STATIC_ASSERT (sizeof (((struct xyt_struct *) NULL)->xcol[0]) == 4);
|
|
|
|
/**
|
|
* fp_print_serialize:
|
|
* @print: A #FpPrint
|
|
* @data: (array length=length) (transfer full) (out): Return location for data pointer
|
|
* @length: (transfer full) (out): Length of @data
|
|
* @error: Return location for error
|
|
*
|
|
* Serialize a print definition for permanent storage. Note that this is
|
|
* lossy in the sense that e.g. the image data is discarded.
|
|
*
|
|
* Returns: (type void): %TRUE on success
|
|
*/
|
|
gboolean
|
|
fp_print_serialize (FpPrint *print,
|
|
guchar **data,
|
|
gsize *length,
|
|
GError **error)
|
|
{
|
|
g_autoptr(GVariant) result = NULL;
|
|
GVariantBuilder builder = G_VARIANT_BUILDER_INIT (FPI_PRINT_VARIANT_TYPE);
|
|
gsize len;
|
|
|
|
g_assert (data);
|
|
g_assert (length);
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|
|
|
g_variant_builder_add (&builder, "i", print->type);
|
|
g_variant_builder_add (&builder, "s", print->driver);
|
|
g_variant_builder_add (&builder, "s", print->device_id);
|
|
g_variant_builder_add (&builder, "b", print->device_stored);
|
|
|
|
/* Metadata */
|
|
g_variant_builder_add (&builder, "y", print->finger);
|
|
g_variant_builder_add (&builder, "ms", print->username);
|
|
g_variant_builder_add (&builder, "ms", print->description);
|
|
if (print->enroll_date && g_date_valid (print->enroll_date))
|
|
g_variant_builder_add (&builder, "i", g_date_get_julian (print->enroll_date));
|
|
else
|
|
g_variant_builder_add (&builder, "i", G_MININT32);
|
|
|
|
/* Unused a{sv} for expansion */
|
|
g_variant_builder_open (&builder, G_VARIANT_TYPE_VARDICT);
|
|
g_variant_builder_close (&builder);
|
|
|
|
/* Insert NBIS print data for type NBIS, otherwise the GVariant directly */
|
|
if (print->type == FPI_PRINT_NBIS)
|
|
{
|
|
GVariantBuilder nested = G_VARIANT_BUILDER_INIT (G_VARIANT_TYPE ("(a(aiaiai))"));
|
|
guint i;
|
|
|
|
g_variant_builder_open (&nested, G_VARIANT_TYPE ("a(aiaiai)"));
|
|
for (i = 0; i < print->prints->len; i++)
|
|
{
|
|
struct xyt_struct *xyt = g_ptr_array_index (print->prints, i);
|
|
|
|
g_variant_builder_open (&nested, G_VARIANT_TYPE ("(aiaiai)"));
|
|
|
|
g_variant_builder_add_value (&nested,
|
|
g_variant_new_fixed_array (G_VARIANT_TYPE_INT32,
|
|
xyt->xcol,
|
|
xyt->nrows,
|
|
sizeof (xyt->xcol[0])));
|
|
g_variant_builder_add_value (&nested,
|
|
g_variant_new_fixed_array (G_VARIANT_TYPE_INT32,
|
|
xyt->ycol,
|
|
xyt->nrows,
|
|
sizeof (xyt->ycol[0])));
|
|
g_variant_builder_add_value (&nested,
|
|
g_variant_new_fixed_array (G_VARIANT_TYPE_INT32,
|
|
xyt->thetacol,
|
|
xyt->nrows,
|
|
sizeof (xyt->thetacol[0])));
|
|
g_variant_builder_close (&nested);
|
|
}
|
|
|
|
g_variant_builder_close (&nested);
|
|
g_variant_builder_add (&builder, "v", g_variant_builder_end (&nested));
|
|
}
|
|
else
|
|
{
|
|
g_variant_builder_add (&builder, "v", g_variant_new_variant (print->data));
|
|
}
|
|
|
|
result = g_variant_builder_end (&builder);
|
|
|
|
if (G_BYTE_ORDER == G_BIG_ENDIAN)
|
|
{
|
|
GVariant *tmp;
|
|
tmp = g_variant_byteswap (result);
|
|
g_variant_unref (result);
|
|
result = tmp;
|
|
}
|
|
|
|
len = g_variant_get_size (result);
|
|
/* Add 3 bytes of header */
|
|
len += 3;
|
|
|
|
*data = g_malloc (len);
|
|
*length = len;
|
|
|
|
(*data)[0] = (guchar) 'F';
|
|
(*data)[1] = (guchar) 'P';
|
|
(*data)[2] = (guchar) '3';
|
|
|
|
g_variant_get_data (result);
|
|
g_variant_store (result, (*data) + 3);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* fp_print_deserialize:
|
|
* @data: (array length=length): The binary data
|
|
* @length: Length of the data
|
|
* @error: Return location for error
|
|
*
|
|
* Deserialize a print definition from permanent storage.
|
|
*
|
|
* Returns: (transfer full): A newly created #FpPrint on success
|
|
*/
|
|
FpPrint *
|
|
fp_print_deserialize (const guchar *data,
|
|
gsize length,
|
|
GError **error)
|
|
{
|
|
g_autoptr(FpPrint) result = NULL;
|
|
g_autoptr(GVariant) raw_value = NULL;
|
|
g_autoptr(GVariant) value = NULL;
|
|
g_autoptr(GVariant) print_data = NULL;
|
|
g_autoptr(GDate) date = NULL;
|
|
guchar *aligned_data = NULL;
|
|
guint8 finger_int8;
|
|
FpFinger finger;
|
|
g_autofree gchar *username = NULL;
|
|
g_autofree gchar *description = NULL;
|
|
gint julian_date;
|
|
FpiPrintType type;
|
|
const gchar *driver;
|
|
const gchar *device_id;
|
|
gboolean device_stored;
|
|
|
|
g_assert (data);
|
|
g_assert (length > 3);
|
|
|
|
if (memcmp (data, "FP3", 3) != 0)
|
|
goto invalid_format;
|
|
|
|
/* NOTE:
|
|
* We make sure that we have no variant left over from the parsing at the end
|
|
* of this function (meaning we don't need to keep the data around.
|
|
*/
|
|
|
|
/* To support GLIB < 2.60 we need to make sure that the memory is aligned correctly.
|
|
* We also need to copy the backing store for the raw data that we may keep for
|
|
* longer. */
|
|
aligned_data = g_malloc (length - 3);
|
|
memcpy (aligned_data, data + 3, length - 3);
|
|
raw_value = g_variant_new_from_data (FPI_PRINT_VARIANT_TYPE,
|
|
aligned_data, length - 3,
|
|
FALSE, g_free, aligned_data);
|
|
|
|
if (!raw_value)
|
|
goto invalid_format;
|
|
|
|
if (G_BYTE_ORDER == G_BIG_ENDIAN)
|
|
value = g_variant_byteswap (raw_value);
|
|
else
|
|
value = g_variant_get_normal_form (raw_value);
|
|
|
|
g_variant_get (value,
|
|
"(i&s&sbymsmsi@a{sv}v)",
|
|
&type,
|
|
&driver,
|
|
&device_id,
|
|
&device_stored,
|
|
&finger_int8,
|
|
&username,
|
|
&description,
|
|
&julian_date,
|
|
NULL,
|
|
&print_data);
|
|
|
|
finger = finger_int8;
|
|
|
|
/* Assume data is valid at this point if the values are somewhat sane. */
|
|
if (type == FPI_PRINT_NBIS)
|
|
{
|
|
g_autoptr(GVariant) prints = g_variant_get_child_value (print_data, 0);
|
|
guint i;
|
|
|
|
result = g_object_new (FP_TYPE_PRINT,
|
|
"driver", driver,
|
|
"device-id", device_id,
|
|
"device-stored", device_stored,
|
|
NULL);
|
|
g_object_ref_sink (result);
|
|
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;
|
|
const gint32 *xcol, *ycol, *thetacol;
|
|
gsize xlen, ylen, thetalen;
|
|
g_autoptr(GVariant) xyt_data = NULL;
|
|
GVariant *child;
|
|
|
|
xyt_data = g_variant_get_child_value (prints, i);
|
|
|
|
child = g_variant_get_child_value (xyt_data, 0);
|
|
xcol = g_variant_get_fixed_array (child, &xlen, sizeof (gint32));
|
|
g_variant_unref (child);
|
|
|
|
child = g_variant_get_child_value (xyt_data, 1);
|
|
ycol = g_variant_get_fixed_array (child, &ylen, sizeof (gint32));
|
|
g_variant_unref (child);
|
|
|
|
child = g_variant_get_child_value (xyt_data, 2);
|
|
thetacol = g_variant_get_fixed_array (child, &thetalen, sizeof (gint32));
|
|
g_variant_unref (child);
|
|
|
|
if (xlen != ylen || xlen != thetalen)
|
|
goto invalid_format;
|
|
|
|
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);
|
|
memcpy (xyt->thetacol, thetacol, sizeof (xcol[0]) * xlen);
|
|
|
|
g_ptr_array_add (result->prints, g_steal_pointer (&xyt));
|
|
}
|
|
}
|
|
else if (type == FPI_PRINT_RAW)
|
|
{
|
|
g_autoptr(GVariant) fp_data = g_variant_get_child_value (print_data, 0);
|
|
|
|
result = g_object_new (FP_TYPE_PRINT,
|
|
"fpi-type", type,
|
|
"driver", driver,
|
|
"device-id", device_id,
|
|
"device-stored", device_stored,
|
|
"fpi-data", fp_data,
|
|
NULL);
|
|
g_object_ref_sink (result);
|
|
}
|
|
else
|
|
{
|
|
g_warning ("Invalid print type: 0x%X", type);
|
|
goto invalid_format;
|
|
}
|
|
|
|
date = g_date_new_julian (julian_date);
|
|
g_object_set (result,
|
|
"finger", finger,
|
|
"username", username,
|
|
"description", description,
|
|
"enroll_date", date,
|
|
NULL);
|
|
|
|
return g_steal_pointer (&result);
|
|
|
|
invalid_format:
|
|
g_set_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA,
|
|
"Data could not be parsed");
|
|
return NULL;
|
|
}
|