/* Mifare Ultralight implementation, PCD side.
*
- * (C) 2005 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2005-2006 by Harald Welte <laforge@gnumonks.org>
*
*/
return -EINVAL;
}
+static int
+mful_getopt(struct rfid_protocol_handle *ph, int optname, void *optval,
+ unsigned int *optlen)
+{
+ int ret = -EINVAL;
+ u_int16_t atqa;
+ unsigned int *size = optval;
+
+ switch (optname) {
+ case RFID_OPT_PROTO_SIZE:
+ ret = 0;
+ *size = 512;
+ break;
+ }
+
+ return ret;
+}
+
+
static struct rfid_protocol_handle *
mful_init(struct rfid_layer2_handle *l2h)
{
struct rfid_protocol_handle *ph;
- ph = malloc(sizeof(struct rfid_protocol_handle));
+ u_int16_t atqa;
+ unsigned int atqa_len = sizeof(atqa);
+
+ if (l2h->l2->id != RFID_LAYER2_ISO14443A)
+ return NULL;
+
+ /* According to "Type Identification Procedure Rev. 1.3" */
+ rfid_layer2_getopt(l2h, RFID_OPT_14443A_ATQA,
+ &atqa, &atqa_len);
+ if (atqa != 0x0044)
+ return NULL;
+
+ /* according to "Functional Specification Rev. 3.0 */
+ if (l2h->uid_len != 7)
+ return NULL;
+
+ ph = malloc_protocol_handle(sizeof(struct rfid_protocol_handle));
return ph;
}
static int mful_fini(struct rfid_protocol_handle *ph)
{
- free(ph);
+ free_protocol_handle(ph);
return 0;
}
-struct rfid_protocol rfid_protocol_mful = {
+const struct rfid_protocol rfid_protocol_mful = {
.id = RFID_PROTOCOL_MIFARE_UL,
.name = "Mifare Ultralight",
.fn = {
.read = &mful_read,
.write = &mful_write,
.fini = &mful_fini,
+ .getopt = &mful_getopt,
},
};