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Diffstat (limited to 'src/rfid_proto_mifare_ul.c')
-rw-r--r--src/rfid_proto_mifare_ul.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/rfid_proto_mifare_ul.c b/src/rfid_proto_mifare_ul.c
index 0ea55d2..8981b5e 100644
--- a/src/rfid_proto_mifare_ul.c
+++ b/src/rfid_proto_mifare_ul.c
@@ -112,6 +112,14 @@ static struct rfid_protocol_handle *
mful_init(struct rfid_layer2_handle *l2h)
{
struct rfid_protocol_handle *ph;
+
+ if (l2h->l2->id != RFID_LAYER2_ISO14443A)
+ 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;
}
personal git repositories of Harald Welte. Your mileage may vary