type3: Add Readonly flag support

diff --git a/plugins/nfctype3.c b/plugins/nfctype3.c
index bbb36be..6d21d72 100644 (file)
--- a/plugins/nfctype3.c
+++ b/plugins/nfctype3.c
@@ -245,7 +245,7 @@ static int nfctype3_recv_block_0(uint8_t *resp, int length, void *data)
                goto out;
        }
 
-       /* length is a 3 bytes value */
+       /* Block 0:[11 - 13]: length is a 3 bytes value */
        ndef_data_length =  resp[OFS_READ_DATA + 11] * 0x100;
        ndef_data_length += resp[OFS_READ_DATA + 12];
        ndef_data_length *= 0x100;
@@ -259,6 +259,12 @@ static int nfctype3_recv_block_0(uint8_t *resp, int length, void *data)
                goto out;
        }
 
+       /* Block 0:[10]: RW Flag. 1 for RW */
+       if (resp[OFS_READ_DATA + 10] == 0)
+               near_tag_set_ro(tag, TRUE);
+       else
+               near_tag_set_ro(tag, FALSE);
+
        t3_tag = g_try_malloc0(sizeof(struct type3_tag));
        if (t3_tag == NULL) {
                err = -ENOMEM;
@@ -332,8 +338,8 @@ static int nfctype3_read_UID(uint32_t adapter_idx, uint32_t target_idx,
 
        /* CMD POLL */
        cmd.cmd  = CMD_POLL;    /* POLL command */
-       cmd.data[0] = 0xFF;     /* System code (ANY) */
-       cmd.data[1] = 0xFF;
+       cmd.data[0] = 0x12;     /* System code (NFC SC) */
+       cmd.data[1] = 0xFC;
        cmd.data[2] = 01;       /* request code */
        cmd.data[3] = 0x00;     /* time slot */