depau/libfprint
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

virtual_misdev: Add support to delete fingers

Browse source
This commit is contained in:
Benjamin Berg 2019-06-11 10:57:49 +02:00
parent 314cfba9bb
commit 0d9c53e018
1 changed files with 50 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

50
libfprint/drivers/virtual_misdev.c
View file

@ -55,6 +55,7 @@ enum virtdev_state {
STATE_IDLE = 0,
STATE_VERIFY,
STATE_ENROLL,
STATE_DELETE,
};
struct virt_dev {
@ -72,6 +73,8 @@ struct virt_dev {
guchar *recv_buf;
};
static void send_status(struct fp_dev *dev);
static void
handle_response (struct fp_dev *dev, guchar *buf, gssize len)
{
@ -105,6 +108,17 @@ handle_response (struct fp_dev *dev, guchar *buf, gssize len)
fpi_drvcb_enroll_stage_completed (dev, result, fdata, NULL);
break;
}
case STATE_DELETE:
fp_info ("Reporting delete results back %i\n", result);
virt->state = STATE_IDLE;
g_free (virt->curr_uuid);
virt->curr_uuid = NULL;
fpi_drvcb_delete_complete (dev, result);
send_status(dev);
break;
default:
g_assert_not_reached();
}
@ -129,6 +143,9 @@ send_status(struct fp_dev *dev)
case STATE_VERIFY:
msg = g_strdup_printf ("VERIFY %s\n", virt->curr_uuid);
break;
case STATE_DELETE:
msg = g_strdup_printf ("DELETE %s\n", virt->curr_uuid);
break;
}
send(virt->client_fd, msg, strlen(msg), MSG_NOSIGNAL);
@ -357,6 +374,38 @@ static int verify_stop(struct fp_dev *dev, gboolean iterating)
return 0;
}
static int delete_finger(struct fp_dev *dev)
{
struct virt_dev *virt = FP_INSTANCE_DATA(dev);
struct fp_print_data *print;
struct fp_print_data_item *item;
G_DEBUG_HERE();
if (virt->state != STATE_IDLE)
return -1;
g_assert (virt->curr_uuid == NULL);
virt->state = STATE_DELETE;
print = fpi_dev_get_delete_data(dev);
item = fpi_print_data_get_item(print);
/* We expecte a UUID, that means 36 bytes. */
g_assert(item->length == 36);
virt->curr_uuid = g_malloc(37);
virt->curr_uuid[36] = '\0';
memcpy(virt->curr_uuid, item->data, 36);
g_assert(g_uuid_string_is_valid (virt->curr_uuid));
send_status(dev);
return 0;
}
struct fp_driver virtual_misdev_driver = {
.id = VIRTUAL_MIS_ID,
.name = FP_COMPONENT,
@ -371,4 +420,5 @@ struct fp_driver virtual_misdev_driver = {
.enroll_stop = enroll_stop,
.verify_start = verify_start,
.verify_stop = verify_stop,
.delete_finger = delete_finger,
};