/*
* fprintd example to enroll right index finger
* Copyright (C) 2008 Daniel Drake <dsd@gentoo.org>
*
* 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 <stdlib.h>
#include <string.h>
#include <dbus/dbus-glib-bindings.h>
#include "manager-dbus-glue.h"
#include "device-dbus-glue.h"
#include "marshal.h"
#define N_(x) x
#define TR(x) x
#include "fingerprint-strings.h"
static DBusGProxy *manager = NULL;
static DBusGConnection *connection = NULL;
static char *finger_name = "right-index-finger";
static char **usernames = NULL;
static void create_manager(void)
{
GError *error = NULL;
connection = dbus_g_bus_get(DBUS_BUS_SYSTEM, &error);
if (connection == NULL) {
g_print("Failed to connect to session bus: %s\n", error->message);
exit (1);
}
manager = dbus_g_proxy_new_for_name(connection,
"net.reactivated.Fprint", "/net/reactivated/Fprint/Manager",
"net.reactivated.Fprint.Manager");
}
static DBusGProxy *open_device(const char *username)
{
GError *error = NULL;
gchar *path;
DBusGProxy *dev;
if (!net_reactivated_Fprint_Manager_get_default_device(manager, &path, &error)) {
g_print("list_devices failed: %s\n", error->message);
exit (1);
}
if (path == NULL) {
g_print("No devices found\n");
exit(1);
}
g_print("Using device %s\n", path);
/* FIXME use for_name_owner?? */
dev = dbus_g_proxy_new_for_name(connection, "net.reactivated.Fprint",
path, "net.reactivated.Fprint.Device");
g_free (path);
if (!net_reactivated_Fprint_Device_claim(dev, username, &error)) {
g_print("failed to claim device: %s\n", error->message);
exit (1);
}
return dev;
}
static void enroll_result(GObject *object, const char *result, gboolean done, void *user_data)
{
gboolean *enroll_completed = user_data;
g_print("Enroll result: %s\n", result);
if (done != FALSE)
*enroll_completed = TRUE;
}
static void do_enroll(DBusGProxy *dev)
{
GError *error = NULL;
gboolean enroll_completed = FALSE;
gboolean found;
guint i;
dbus_g_proxy_add_signal(dev, "EnrollStatus", G_TYPE_STRING, G_TYPE_BOOLEAN, NULL);
dbus_g_proxy_connect_signal(dev, "EnrollStatus", G_CALLBACK(enroll_result),
&enroll_completed, NULL);
found = FALSE;
for (i = 0; fingers[i].dbus_name != NULL; i++) {
if (g_strcmp0 (fingers[i].dbus_name, finger_name) == 0) {
found = TRUE;
break;
}
}
if (!found) {
GString *s;
s = g_string_new (NULL);
g_string_append_printf (s, "Invalid finger name '%s'. Name must be one of ", finger_name);
for (i = 0; fingers[i].dbus_name != NULL; i++) {
g_string_append_printf (s, "%s", fingers[i].dbus_name);
if (fingers[i + 1].dbus_name != NULL)
g_string_append (s, ", ");
}
g_warning ("%s", s->str);
g_string_free (s, TRUE);
exit (1);
}
g_print("Enrolling %s finger.\n", finger_name);
if (!net_reactivated_Fprint_Device_enroll_start(dev, finger_name, &error)) {
g_print("EnrollStart failed: %s\n", error->message);
exit (1);
}
while (!enroll_completed)
g_main_context_iteration(NULL, TRUE);
dbus_g_proxy_disconnect_signal(dev, "EnrollStatus",
G_CALLBACK(enroll_result), &enroll_completed);
if (!net_reactivated_Fprint_Device_enroll_stop(dev, &error)) {
g_print("VerifyStop failed: %s\n", error->message);
exit(1);
}
}
static void release_device(DBusGProxy *dev)
{
GError *error = NULL;
if (!net_reactivated_Fprint_Device_release(dev, &error)) {
g_print("ReleaseDevice failed: %s\n", error->message);
exit (1);
}
}
static const GOptionEntry entries[] = {
{ "finger", 'f', 0, G_OPTION_ARG_STRING, &finger_name, "Finger selected to verify (default is automatic)", NULL },
{ G_OPTION_REMAINING, '\0', 0, G_OPTION_ARG_STRING_ARRAY, &usernames, NULL, "[username]" },
{ NULL }
};
int main(int argc, char **argv)
{
GOptionContext *context;
GError *err = NULL;
DBusGProxy *dev;
#if !GLIB_CHECK_VERSION (2, 36, 0)
g_type_init();
#endif
dbus_g_object_register_marshaller (fprintd_marshal_VOID__STRING_BOOLEAN,
G_TYPE_NONE, G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_INVALID);
context = g_option_context_new ("Enroll a fingerprint");
g_option_context_add_main_entries (context, entries, NULL);
if (g_option_context_parse (context, &argc, &argv, &err) == FALSE) {
g_print ("couldn't parse command-line options: %s\n", err->message);
g_error_free (err);
return 1;
}
create_manager();
dev = open_device(usernames ? usernames[0] : NULL);
do_enroll(dev);
release_device(dev);
return 0;
}