int main(void)
{
struct fp_dscv_dev *ddev;
struct fp_dscv_dev **discovered_devs;
struct fp_dev *dev;
struct fp_print_data *data;
int r = fp_init();
if (r < 0) {
fprintf(stderr, "Failed to initialize libfprint\n");
exit(1);
}
fp_set_debug(3);
discovered_devs = fp_discover_devs();
if (!discovered_devs) {
fprintf(stderr, "Could not discover devices\n");
goto out;
}
ddev = discover_device(discovered_devs);
if (!ddev) {
fprintf(stderr, "No devices detected.\n");
goto out;
}
dev = fp_dev_open(ddev);
fp_dscv_devs_free(discovered_devs);
if (!dev) {
fprintf(stderr, "Could not open device.\n");
goto out;
}
printf("Opened device. It's now time to enroll your finger.\n\n");
data = enroll(dev);
if (!data)
goto out_close;
printf("Normally we'd save that print to disk, and recall it at some "
"point later when we want to authenticate the user who just "
"enrolled. In the interests of demonstration, we'll authenticate "
"that user immediately.\n");
do {
char buffer[20];
verify(dev, data);
printf("Verify again? [Y/n]? ");
fgets(buffer, sizeof(buffer), stdin);
if (buffer[0] != '\n' && buffer[0] != 'y' && buffer[0] != 'Y')
break;
} while (1);
fp_print_data_free(data);
out_close:
fp_dev_close(dev);
out:
fp_exit();
return r;
}
int main(void)
{
struct fp_dscv_dev *ddev;
struct fp_dscv_dev **discovered_devs;
struct fp_dev *dev;
struct fp_print_data *data;
int r = fp_init();
if (r < 0) {
fprintf(stderr, "Failed to initialize libfprint\n");
exit(1);
}
fp_set_debug(3);
discovered_devs = fp_discover_devs();
if (!discovered_devs) {
fprintf(stderr, "Could not discover devices\n");
goto out;
}
ddev = discover_device(discovered_devs);
if (!ddev) {
fprintf(stderr, "No devices detected.\n");
goto out;
}
dev = fp_dev_open(ddev);
fp_dscv_devs_free(discovered_devs);
if (!dev) {
fprintf(stderr, "Could not open device.\n");
goto out;
}
printf("Opened device. Loading previously enrolled right index finger "
"data...\n");
r = fp_print_data_load(dev, RIGHT_INDEX, &data);
if (r != 0) {
fprintf(stderr, "Failed to load fingerprint, error %d\n", r);
fprintf(stderr, "Did you remember to enroll your right index finger "
"first?\n");
goto out_close;
}
printf("Print loaded. Time to verify!\n");
do {
char buffer[20];
verify(dev, data);
printf("Verify again? [Y/n]? ");
fgets(buffer, sizeof(buffer), stdin);
if (buffer[0] != '\n' && buffer[0] != 'y' && buffer[0] != 'Y')
break;
} while (1);
fp_print_data_free(data);
out_close:
fp_dev_close(dev);
out:
fp_exit();
return r;
}
int
main (int argc, char **argv)
{
int r = 1;
struct fp_dscv_dev *ddev;
struct fp_dscv_dev **discovered_devs;
struct fp_dev *dev;
struct fp_print_data *data;
int finger;
finger = atoi(argv[3]);
printf ("This program will enroll your right index finger, "
"unconditionally overwriting any right-index print that was enrolled "
"previously. If you want to continue, press enter, otherwise hit "
"Ctrl+C\n");
getchar ();
r = fp_init ();
if (r < 0)
{
fprintf (stderr, "Failed to initialize libfprint\n");
exit (1);
}
fp_set_debug (3);
discovered_devs = fp_discover_devs ();
if (!discovered_devs)
{
fprintf (stderr, "Could not discover devices\n");
goto out;
}
ddev = discover_device (discovered_devs);
if (!ddev)
{
fprintf (stderr, "No devices detected.\n");
goto out;
}
dev = fp_dev_open (ddev);
fp_dscv_devs_free (discovered_devs);
if (!dev)
{
fprintf (stderr, "Could not open device.\n");
goto out;
}
printf ("Opened device. It's now time to enroll your finger.\n\n");
data = enroll (dev);
if (!data)
goto out_close;
r = fp_print_data_save (data, finger, argv[1], argv[2]);
if (r < 0)
fprintf (stderr, "Data save failed, code %d\n", r);
fp_print_data_free (data);
out_close:
fp_dev_close (dev);
out:
fp_exit ();
return r;
}
int main(void)
{
int r = 1;
struct fp_dscv_dev *ddev;
struct fp_dscv_dev **discovered_devs;
struct fp_dev *dev;
struct fp_print_data *data;
r = fp_init();
if (r < 0) {
printf("Failed to initialize fprint\n");
exit(1);
}
fp_set_debug(3);
discovered_devs = fp_discover_devs();
if (!discovered_devs) {
printf("Could not discover devices\n");
goto out;
}
ddev = discover_device(discovered_devs);
if (!ddev) {
printf("No devices detected.\n");
goto out;
}
dev = fp_dev_open(ddev);
fp_dscv_devs_free(discovered_devs);
if (!dev) {
printf("Could not open device.\n");
goto out;
}
printf("Opened device. "
"enrolling...\n");
r = fp_print_data_load(dev, RIGHT_INDEX, &data);
if (r != 0) {
printf("Failed to load fingerprint,\n");
goto out_close;
}
printf("Print loaded. Try to verify!\n");
do {
char buffer[20];
verify(dev, data);
printf("Verify again? [Y/n]? ");
fgets(buffer, sizeof(buffer), stdin);
if (buffer[0] != '\n' && buffer[0] != 'y' && buffer[0] != 'Y')
break;
} while (1);
fp_print_data_free(data);
out_close:
fp_dev_close(dev);
out:
fp_exit();
return r;
}
