static void generic_acquire_stop(struct fp_img_dev *imgdev)
{
imgdev->action_state = IMG_ACQUIRE_STATE_DEACTIVATING;
dev_deactivate(imgdev);
fp_print_data_free(imgdev->acquire_data);
fp_print_data_free(imgdev->enroll_data);
fp_img_free(imgdev->acquire_img);
imgdev->acquire_data = NULL;
imgdev->enroll_data = NULL;
imgdev->acquire_img = NULL;
imgdev->action_result = 0;
}
void fpi_imgdev_report_finger_status(struct fp_img_dev *imgdev,
gboolean present)
{
int r = imgdev->action_result;
struct fp_print_data *data = imgdev->acquire_data;
struct fp_img *img = imgdev->acquire_img;
fp_dbg(present ? "finger on sensor" : "finger removed");
if (present && imgdev->action_state == IMG_ACQUIRE_STATE_AWAIT_FINGER_ON) {
dev_change_state(imgdev, IMGDEV_STATE_CAPTURE);
imgdev->action_state = IMG_ACQUIRE_STATE_AWAIT_IMAGE;
return;
} else if (present
|| imgdev->action_state != IMG_ACQUIRE_STATE_AWAIT_FINGER_OFF) {
fp_dbg("ignoring status report");
return;
}
/* clear these before reporting results to avoid complications with
* call cascading in and out of the library */
imgdev->acquire_img = NULL;
imgdev->acquire_data = NULL;
/* finger removed, report results */
switch (imgdev->action) {
case IMG_ACTION_ENROLL:
fp_dbg("reporting enroll result");
fpi_drvcb_enroll_stage_completed(imgdev->dev, r, data, img);
if (r > 0 && r != FP_ENROLL_COMPLETE && r != FP_ENROLL_FAIL) {
imgdev->action_result = 0;
imgdev->action_state = IMG_ACQUIRE_STATE_AWAIT_FINGER_ON;
dev_change_state(imgdev, IMG_ACQUIRE_STATE_AWAIT_FINGER_ON);
}
break;
case IMG_ACTION_VERIFY:
fpi_drvcb_report_verify_result(imgdev->dev, r, img);
fp_print_data_free(data);
break;
case IMG_ACTION_IDENTIFY:
fpi_drvcb_report_identify_result(imgdev->dev, r,
imgdev->identify_match_offset, img);
fp_print_data_free(data);
break;
default:
fp_err("unhandled action %d", imgdev->action);
break;
}
}
/** \ingroup print_data
* Loads a previously stored print from disk. The print must have been saved
* earlier using the fp_print_data_save() function.
*
* A return code of -ENOENT indicates that the fingerprint requested could not
* be found. Other error codes (both positive and negative) are possible for
* obscure error conditions (e.g. corruption).
*
* \param dev the device you are loading the print for
* \param finger the finger of the file you are loading
* \param data output location to put the corresponding stored print. Must be
* freed with fp_print_data_free() after use.
* \returns 0 on success, non-zero on error
*/
API_EXPORTED int fp_print_data_load(struct fp_dev *dev,
enum fp_finger finger, struct fp_print_data **data)
{
gchar *path;
struct fp_print_data *fdata;
int r;
if (!base_store)
storage_setup();
path = get_path_to_print(dev, finger);
r = load_from_file(path, &fdata);
g_free(path);
if (r)
return r;
if (!fp_dev_supports_print_data(dev, fdata)) {
fp_err("print data is not compatible!");
fp_print_data_free(fdata);
return -EINVAL;
}
*data = fdata;
return 0;
}
void fpi_imgdev_image_captured(struct fp_img_dev *imgdev, struct fp_img *img)
{
struct fp_print_data *print;
int r;
fp_dbg("");
if (imgdev->action_state != IMG_ACQUIRE_STATE_AWAIT_IMAGE) {
fp_dbg("ignoring due to current state %d", imgdev->action_state);
return;
}
if (imgdev->action_result) {
fp_dbg("not overwriting existing action result");
return;
}
r = sanitize_image(imgdev, &img);
if (r < 0) {
imgdev->action_result = r;
fp_img_free(img);
goto next_state;
}
fp_img_standardize(img);
imgdev->acquire_img = img;
r = fpi_img_to_print_data(imgdev, img, &print);
if (r < 0) {
fp_dbg("image to print data conversion error: %d", r);
imgdev->action_result = FP_ENROLL_RETRY;
goto next_state;
} else if (img->minutiae->num < MIN_ACCEPTABLE_MINUTIAE) {
fp_dbg("not enough minutiae, %d/%d", img->minutiae->num,
MIN_ACCEPTABLE_MINUTIAE);
fp_print_data_free(print);
/* depends on FP_ENROLL_RETRY == FP_VERIFY_RETRY */
imgdev->action_result = FP_ENROLL_RETRY;
goto next_state;
}
imgdev->acquire_data = print;
switch (imgdev->action) {
case IMG_ACTION_ENROLL:
imgdev->action_result = FP_ENROLL_COMPLETE;
break;
case IMG_ACTION_VERIFY:
verify_process_img(imgdev);
break;
case IMG_ACTION_IDENTIFY:
identify_process_img(imgdev);
break;
default:
BUG();
break;
}
next_state:
imgdev->action_state = IMG_ACQUIRE_STATE_AWAIT_FINGER_OFF;
dev_change_state(imgdev, IMGDEV_STATE_AWAIT_FINGER_OFF);
}
/**
* Enrolls a finger and returns the associated fp-data.
*
* @param env the Java Environment pointer.
* @param obj the jobject of the type jlibfprint/JlibFprint.
* @return the jlibfprint/JlibFprint$fp_print_data with the data just given by the scanner.
* @throws an enroll_exception is raised is something gone wrong.
*/
JNIEXPORT jobject JNICALL Java_jlibfprint_JlibFprint_enroll_1finger(JNIEnv* env, jobject ref)
{
const jclass fpClass = env->FindClass("jlibfprint/JlibFprint$fp_print_data");
const jclass eeClass = env->FindClass("jlibfprint/JlibFprint$EnrollException");
/* Starts the library */
if (fp_init()) // Se differente da 0 => Exception
{
jobject enrollException = env->AllocObject(eeClass);
jfieldID eeExcp_id = env->GetFieldID(eeClass, "enroll_exception", "I");
env->SetIntField(enrollException, eeExcp_id, UNABLE_TO_LOAD_LIBFPRINT);
env->Throw((jthrowable)enrollException);
return NULL;
}
fp_dev *device;
fp_print_data* pdp;
/* Gets the pointer to the device */
if (!get_device_id(env, ref, &device))
{
jobject enrollException = env->AllocObject(eeClass);
jfieldID eeExcp_id = env->GetFieldID(eeClass, "enroll_exception", "I");
env->SetIntField(enrollException, eeExcp_id, DEVICE_NOT_FOUND);
env->Throw((jthrowable)enrollException);
return NULL;
}
/* Enrolls the finger */
int ef = fp_enroll_finger(device, &pdp);
/* Create a new obj to store the data */
jobject obj = env->AllocObject(fpClass);
/* Raises an exception if the enrollment was not completed */
if (ef != FP_ENROLL_COMPLETE)
{
jobject enrollException = env->AllocObject(eeClass);
jfieldID eeExcp_id = env->GetFieldID(eeClass, "enroll_exception", "I");
env->SetIntField(enrollException, eeExcp_id, ef);
env->Throw((jthrowable)enrollException);
}
else
{
/* Fills the object with the enrollment data */
cfp2jfp(env, obj, pdp);
memset(pdp, 0, sizeof(fp_print_data));
fp_print_data_free(pdp);
}
fp_dev_close(device);
fp_exit();
return obj;
}
static void vwin_cb_fing_changed(GtkWidget *widget, gpointer user_data)
{
struct fp_dscv_print *dprint;
GtkTreeIter iter;
int r;
fp_print_data_free(enroll_data);
enroll_data = NULL;
if (!gtk_combo_box_get_active_iter(GTK_COMBO_BOX(vwin_fingcombo), &iter))
return;
gtk_tree_model_get(GTK_TREE_MODEL(vwin_fingmodel), &iter,
FC_COL_PRINT, &dprint, -1);
r = fp_print_data_from_dscv_print(dprint, &enroll_data);
vwin_vfy_status_print_loaded(r);
}
static struct fp_print_data *fpi_print_data_from_fp2_data(unsigned char *buf,
size_t buflen)
{
size_t total_data_len, item_len;
struct fp_print_data *data;
struct fp_print_data_item *item;
struct fpi_print_data_fp2 *raw = (struct fpi_print_data_fp2 *) buf;
unsigned char *raw_buf;
struct fpi_print_data_item_fp2 *raw_item;
total_data_len = buflen - sizeof(*raw);
data = print_data_new(GUINT16_FROM_LE(raw->driver_id),
GUINT32_FROM_LE(raw->devtype), raw->data_type);
raw_buf = raw->data;
while (total_data_len) {
if (total_data_len < sizeof(*raw_item))
break;
total_data_len -= sizeof(*raw_item);
raw_item = (struct fpi_print_data_item_fp2 *)raw_buf;
item_len = GUINT32_FROM_LE(raw_item->length);
fp_dbg("item len %d, total_data_len %d", item_len, total_data_len);
if (total_data_len < item_len) {
fp_err("corrupted fingerprint data");
break;
}
total_data_len -= item_len;
item = fpi_print_data_item_new(item_len);
/* FIXME: fp_print_data->data content is not endianess agnostic */
memcpy(item->data, raw_item->data, item_len);
data->prints = g_slist_prepend(data->prints, item);
raw_buf += sizeof(*raw_item);
raw_buf += item_len;
}
if (g_slist_length(data->prints) == 0) {
fp_print_data_free(data);
data = NULL;
}
return data;
}
static void vwin_clear(void)
{
fp_img_free(img_normal);
img_normal = NULL;
fp_img_free(img_bin);
img_bin = NULL;
fp_print_data_free(enroll_data);
enroll_data = NULL;
gtk_image_clear(GTK_IMAGE(vwin_verify_img));
gtk_widget_set_sensitive(vwin_img_save_btn, FALSE);
gtk_list_store_clear(GTK_LIST_STORE(vwin_fingmodel));
gtk_label_set_text(GTK_LABEL(vwin_vfy_status), NULL);
gtk_label_set_text(GTK_LABEL(vwin_minutiae_cnt), NULL);
gtk_widget_set_sensitive(vwin_fingcombo, FALSE);
gtk_widget_set_sensitive(vwin_vfy_button, FALSE);
}
int main(int argc, char *argv[])
{
int r = 1, i;
int next_option;
enum fp_finger finger = RIGHT_INDEX;
struct fp_dscv_dev *ddev;
struct fp_dscv_dev **discovered_devs;
struct fp_dev *dev;
struct fp_print_data *data;
const char * const short_options = "hf:";
const struct option long_options[] = {
{ "help", 0, NULL, 'h'},
{ "enroll-finger", 1, NULL, 'f'},
{ NULL, 0, NULL, 0}
};
do {
next_option = getopt_long(argc, argv, short_options, long_options,
NULL);
switch (next_option) {
case 'h':
/* Printing usage */
printf("Usage: %s options\n", argv[0]);
printf(" -h --help Display this usage information.\n"
" -f --enroll-finger index Enroll finger with index.\n\n");
printf(" Valid indexes are:\n");
for (i = LEFT_THUMB; i <= RIGHT_LITTLE; i++) {
printf(" %d - %s\n", i, finger_names[i]);
}
exit(1);
break;
case 'f':
sscanf(optarg, "%d", &finger);
if (finger < LEFT_THUMB || finger > RIGHT_LITTLE) {
printf("%s: Invalid finger index.\n", argv[0]);
printf("%s: Valid indexes are:\n", argv[0]);
for (i = LEFT_THUMB; i <= RIGHT_LITTLE; i++) {
printf("%s: %d - %s\n", argv[0], i, finger_names[i]);
}
exit(1);
}
break;
case -1: /* Done with options. */
break;
default: /* Unexpected option */
exit(1);
}
} while (next_option != -1);
printf("This program will enroll your finger, "
"unconditionally overwriting any selected 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);
}
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, finger);
if (!data)
goto out_close;
r = fp_print_data_save(data, finger);
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(){
//initialize
if (fp_init()){
printf("libfprint patladi!\n");
exit(1); //failure
}
//dev discovery
struct fp_dscv_dev** ddevicelist;
struct fp_dscv_dev* ddevice;
if (!(ddevicelist = fp_discover_devs())){ //listeyi al
printf("Device discovery calismadi!\n");
exit(1); //failure
}
if(!(ddevice = ddevicelist[0])){ //bos? TODO: 2 alet varsa nolacak?
printf("Alet nerde?\n");
exit(1); //failure
}
print_driver_info(ddevice);
//open device
struct fp_dev* device;
if(!(device = fp_dev_open(ddevice))){
printf("Okuyucu baslamadi!\n");
exit(1); //failure
}
//enroll
//printf("%d", fp_dev_get_nr_enroll_stages(device)); //tek olmali, cunku laptop.
int done = 0;
struct fp_print_data* guvenliparmak = NULL;
while(!done){
switch(fp_enroll_finger_img(device, &guvenliparmak, NULL)){
case FP_ENROLL_FAIL:
printf("Parmakizi alimi tamamlanamadi!\n");
exit(1); //fail
case FP_ENROLL_COMPLETE:
done = 1;
printf("Parmakizi alimi basariyla tamamlandi.\n");
break;
case FP_ENROLL_PASS:
printf("Tanima asamasi basarili..\n");
break;
default:
printf("Yeniden deneyin!\n");
break;
}
}
fp_print_data_free(guvenliparmak);
//cleanup
fp_dev_close(device);
fp_exit();
return 0;
}
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 (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)
{
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(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;
}
void fpi_imgdev_image_captured(struct fp_img_dev *imgdev, struct fp_img *img)
{
struct fp_print_data *print;
int r;
fp_dbg("");
if (imgdev->action_state != IMG_ACQUIRE_STATE_AWAIT_IMAGE) {
fp_dbg("ignoring due to current state %d", imgdev->action_state);
return;
}
if (imgdev->action_result) {
fp_dbg("not overwriting existing action result");
return;
}
r = sanitize_image(imgdev, &img);
if (r < 0) {
imgdev->action_result = r;
fp_img_free(img);
goto next_state;
}
fp_img_standardize(img);
imgdev->acquire_img = img;
if (imgdev->action != IMG_ACTION_CAPTURE) {
r = fpi_img_to_print_data(imgdev, img, &print);
if (r < 0) {
fp_dbg("image to print data conversion error: %d", r);
imgdev->action_result = FP_ENROLL_RETRY;
goto next_state;
} else if (img->minutiae->num < MIN_ACCEPTABLE_MINUTIAE) {
fp_dbg("not enough minutiae, %d/%d", img->minutiae->num,
MIN_ACCEPTABLE_MINUTIAE);
fp_print_data_free(print);
/* depends on FP_ENROLL_RETRY == FP_VERIFY_RETRY */
imgdev->action_result = FP_ENROLL_RETRY;
goto next_state;
}
}
imgdev->acquire_data = print;
switch (imgdev->action) {
case IMG_ACTION_ENROLL:
if (!imgdev->enroll_data) {
imgdev->enroll_data = fpi_print_data_new(imgdev->dev);
}
BUG_ON(g_slist_length(print->prints) != 1);
/* Move print data from acquire data into enroll_data */
imgdev->enroll_data->prints =
g_slist_prepend(imgdev->enroll_data->prints, print->prints->data);
print->prints = g_slist_remove(print->prints, print->prints->data);
fp_print_data_free(imgdev->acquire_data);
imgdev->acquire_data = NULL;
imgdev->enroll_stage++;
if (imgdev->enroll_stage == imgdev->dev->nr_enroll_stages)
imgdev->action_result = FP_ENROLL_COMPLETE;
else
imgdev->action_result = FP_ENROLL_PASS;
break;
case IMG_ACTION_VERIFY:
verify_process_img(imgdev);
break;
case IMG_ACTION_IDENTIFY:
identify_process_img(imgdev);
break;
case IMG_ACTION_CAPTURE:
imgdev->action_result = FP_CAPTURE_COMPLETE;
break;
default:
BUG();
break;
}
next_state:
imgdev->action_state = IMG_ACQUIRE_STATE_AWAIT_FINGER_OFF;
dev_change_state(imgdev, IMGDEV_STATE_AWAIT_FINGER_OFF);
}
