/*
* fprintd example to verify a fingerprint
* 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 <stdio.h>
#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"
static DBusGProxy *manager = NULL;
static DBusGConnection *connection = NULL;
static char *finger_name = NULL;
static gboolean g_fatal_warnings = FALSE;
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 find_finger(DBusGProxy *dev, const char *username)
{
GError *error = NULL;
char **fingers;
guint i;
if (!net_reactivated_Fprint_Device_list_enrolled_fingers(dev, username, &fingers, &error)) {
g_print("ListEnrolledFingers failed: %s\n", error->message);
exit (1);
}
if (fingers == NULL || g_strv_length (fingers) == 0) {
g_print("No fingers enrolled for this device.\n");
exit(1);
}
g_print("Listing enrolled fingers:\n");
for (i = 0; fingers[i] != NULL; i++) {
g_print(" - #%d: %s\n", i, fingers[i]);
}
if (finger_name == NULL || strcmp (finger_name, "any") == 0) {
g_free (finger_name);
finger_name = g_strdup (fingers[0]);
}
g_strfreev (fingers);
}
static void verify_result(GObject *object, const char *result, gboolean done, void *user_data)
{
gboolean *verify_completed = user_data;
g_print("Verify result: %s (%s)\n", result, done ? "done" : "not done");
if (done != FALSE)
*verify_completed = TRUE;
}
static void verify_finger_selected(GObject *object, const char *name, void *user_data)
{
g_print("Verifying: %s\n", name);
}
static void do_verify(DBusGProxy *dev)
{
GError *error = NULL;
gboolean verify_completed = FALSE;
dbus_g_proxy_add_signal(dev, "VerifyStatus", G_TYPE_STRING, G_TYPE_BOOLEAN, NULL);
dbus_g_proxy_add_signal(dev, "VerifyFingerSelected", G_TYPE_INT, NULL);
dbus_g_proxy_connect_signal(dev, "VerifyStatus", G_CALLBACK(verify_result),
&verify_completed, NULL);
dbus_g_proxy_connect_signal(dev, "VerifyFingerSelected", G_CALLBACK(verify_finger_selected),
NULL, NULL);
if (!net_reactivated_Fprint_Device_verify_start(dev, finger_name, &error)) {
g_print("VerifyStart failed: %s\n", error->message);
exit (1);
}
while (!verify_completed)
g_main_context_iteration(NULL, TRUE);
dbus_g_proxy_disconnect_signal(dev, "VerifyStatus", G_CALLBACK(verify_result), &verify_completed);
dbus_g_proxy_disconnect_signal(dev, "VerifyFingerSelected", G_CALLBACK(verify_finger_selected), NULL);
if (!net_reactivated_Fprint_Device_verify_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-fatal-warnings", 0, 0, G_OPTION_ARG_NONE, &g_fatal_warnings, "Make all warnings fatal", 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;
char *username;
#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 ("Verify 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;
}
if (usernames == NULL) {
username = "";
} else {
username = usernames[0];
}
if (g_fatal_warnings) {
GLogLevelFlags fatal_mask;
fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);
fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;
g_log_set_always_fatal (fatal_mask);
}
create_manager();
dev = open_device(username);
find_finger(dev, username);
do_verify(dev);
release_device(dev);
return 0;
}