type4: Add Readonly flag support

diff --git a/plugins/nfctype4.c b/plugins/nfctype4.c
index a18a225..1ec7ed8 100644 (file)
--- a/plugins/nfctype4.c
+++ b/plugins/nfctype4.c
@@ -52,6 +52,9 @@
 #define APDU_OK                        0x9000
 #define APDU_NOT_FOUND         0x6A82
 
+#define T4_ALL_ACCESS          0x00
+#define T4_READ_ONLY           0xFF
+
 #define APDU_STATUS(a) (g_ntohs(*((uint16_t *)(a))))
 
 /* Tag Type 4 version ID */
@@ -99,6 +102,7 @@ struct recv_cookie {
        struct near_tag *tag;
        uint16_t read_data;
        uint16_t r_apdu_max_size;
+       uint8_t write_access ;
 };
 
 /* ISO functions: This code prepares APDU */
@@ -293,6 +297,12 @@ static int t4_readbin_NDEF_ID(uint8_t *resp, int length, void *data)
        /* save the tag */
        cookie->tag = tag;
 
+       /* Set write conditions */
+       if (cookie->write_access == T4_READ_ONLY)
+               near_tag_set_ro(tag, TRUE);
+       else
+               near_tag_set_ro(tag, FALSE);
+
        /* TODO: see how we can get the UID value:
         *  near_tag_set_uid(tag, resp + NFC_HEADER_SIZE, 8);
         *  */
@@ -382,6 +392,9 @@ static int t4_readbin_cc(uint8_t *resp, int length, void *data)
                goto out_err ;
        }
 
+       /* save rw conditions */
+       cookie->write_access = read_cc->tlv_fc.write_access;
+
        err = ISO_Select((uint8_t *)&read_cc->tlv_fc.file_id,
                        LEN_ISO_CC_FILEID, 0, t4_select_NDEF_ID, cookie);
        if (err < 0)