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/*
* fprintd example to list enrolled fingerprints
* Copyright (C) 2008 Daniel Drake <dsd@gentoo.org>
* Copyright (C) 2020 Marco Trevisan <marco.trevisan@canonical.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include "fprintd-dbus.h"
static FprintDBusManager *manager = NULL;
static GDBusConnection *connection = NULL;
static void
create_manager (void)
{
g_autoptr(GError) error = NULL;
connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
if (connection == NULL)
{
g_print ("Failed to connect to session bus: %s\n", error->message);
exit (1);
}
manager = fprint_dbus_manager_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE,
"net.reactivated.Fprint",
"/net/reactivated/Fprint/Manager",
NULL, &error);
if (manager == NULL)
{
g_print ("Failed to get Fprintd manager: %s\n", error->message);
exit (1);
}
}
static void
list_fingerprints (FprintDBusDevice *dev, const char *username)
{
g_autoptr(GError) error = NULL;
g_auto(GStrv) fingers = NULL;
guint i;
if (!fprint_dbus_device_call_list_enrolled_fingers_sync (dev, username,
G_DBUS_CALL_FLAGS_ALLOW_INTERACTIVE_AUTHORIZATION,
-1, &fingers, NULL,
&error))
{
gboolean ignore_error = FALSE;
if (g_dbus_error_is_remote_error (error))
{
g_autofree char *dbus_error =
g_dbus_error_get_remote_error (error);
if (g_str_equal (dbus_error,
"net.reactivated.Fprint.Error.NoEnrolledPrints"))
ignore_error = TRUE;
}
if (!ignore_error)
{
g_print ("ListEnrolledFingers failed: %s\n", error->message);
exit (1);
}
}
if (fingers == NULL || g_strv_length (fingers) == 0)
{
g_print ("User %s has no fingers enrolled for %s.\n", username,
fprint_dbus_device_get_name (dev));
return;
}
g_print ("Fingerprints for user %s on %s (%s):\n",
username,
fprint_dbus_device_get_name (dev),
fprint_dbus_device_get_scan_type (dev));
for (i = 0; fingers[i] != NULL; i++)
g_print (" - #%d: %s\n", i, fingers[i]);
}
static void
process_devices (char **argv)
{
g_auto(GStrv) devices = NULL;
g_autoptr(GError) error = NULL;
char *path;
guint num_devices;
guint i;
if (!fprint_dbus_manager_call_get_devices_sync (manager,
G_DBUS_CALL_FLAGS_ALLOW_INTERACTIVE_AUTHORIZATION,
-1,
&devices, NULL, &error))
{
g_print ("Impossible to get devices: %s\n", error->message);
exit (1);
}
num_devices = g_strv_length (devices);
if (num_devices == 0)
{
g_print ("No devices available\n");
exit (1);
}
g_print ("found %u devices\n", num_devices);
for (i = 0; devices[i] != NULL; i++)
{
path = devices[i];
g_print ("Device at %s\n", path);
}
for (i = 0; devices[i] != NULL; i++)
{
g_autoptr(FprintDBusDevice) dev = NULL;
guint j;
path = devices[i];
g_print ("Using device %s\n", path);
/* NOTE: We should handle error cases! */
dev = fprint_dbus_device_proxy_new_sync (connection,
G_DBUS_PROXY_FLAGS_NONE,
"net.reactivated.Fprint",
path, NULL, NULL);
for (j = 1; argv[j] != NULL; j++)
list_fingerprints (dev, argv[j]);
}
}
int
main (int argc, char **argv)
{
setlocale (LC_ALL, "");
create_manager ();
if (argc < 2)
{
g_print ("Usage: %s <username> [usernames...]\n", argv[0]);
return 1;
}
process_devices (argv);
return 0;
}
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