type2: Add Readonly flag support

diff --git a/plugins/nfctype2.c b/plugins/nfctype2.c
index a29780a..9734c9a 100644 (file)
--- a/plugins/nfctype2.c
+++ b/plugins/nfctype2.c
@@ -54,6 +54,9 @@
 #define TAG_DATA_LENGTH(cc) ((cc)[2] * 8)
 #define TAG_DATA_NFC(cc) ((cc)[0] & TYPE2_MAGIC)
 
+#define TYPE2_NOWRITE_ACCESS   0x0F
+#define TAG_T2_WRITE_FLAG(cc) ((cc)[3] & TYPE2_NOWRITE_ACCESS)
+
 struct type2_cmd {
        uint8_t cmd;
        uint8_t block;
@@ -193,6 +196,12 @@ static int meta_recv(uint8_t *resp, int length, void *data)
 
        near_tag_set_uid(tag, resp + NFC_HEADER_SIZE, 8);
 
+       /* Set the ReadWrite flag */
+       if (TAG_T2_WRITE_FLAG(cc) == TYPE2_NOWRITE_ACCESS)
+               near_tag_set_ro(tag, TRUE);
+       else
+               near_tag_set_ro(tag, FALSE);
+
        err = data_read(t2_tag);
 
 out: