From fea5d882788eb26c84a5572021cfc63eb36342dd Mon Sep 17 00:00:00 2001
From: Iceman <iceman1001@iuse.se>
Date: Tue, 20 Aug 2019 14:53:52 +0200
Subject: [PATCH] add:  detect unfused / write once magic tags,  from
 https://github.com/nfc-tools/libnfc/pull/554

---
 armsrc/mifarecmd.c         | 7 +++++++
 client/mifare/mifarehost.c | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index 5e9de52dd..985a787ca 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -1955,6 +1955,8 @@ void MifareCIdent() {
 #define GEN_1A 1
 #define GEN_1B 2
 #define GEN_2  4
+#define GEN_UNFUSED 5
+
     // variables
     uint8_t isGen = 0;
     uint8_t rec[1] = {0x00};
@@ -1990,6 +1992,11 @@ TEST2:
 
     int res = iso14443a_select_card(uid, NULL, &cuid, true, 0, true);
     if (res == 2) {
+        if (cuid == 0xAA55C396 ) {
+           isGen = GEN_UNFUSED;
+           goto OUT;
+        }
+
         ReaderTransmit(rats, sizeof(rats), NULL);
         res = ReaderReceive(buf, par);
         if (memcmp(buf, "\x09\x78\x00\x91\x02\xDA\xBC\x19\x10\xF0\x05", 11) == 0) {
diff --git a/client/mifare/mifarehost.c b/client/mifare/mifarehost.c
index f7c7ce4f2..d22073d02 100644
--- a/client/mifare/mifarehost.c
+++ b/client/mifare/mifarehost.c
@@ -1041,6 +1041,9 @@ void detect_classic_magic(void) {
         case 4:
             PrintAndLogEx(SUCCESS, "Answers to magic commands (GEN 2 / CUID): "  _GREEN_("YES"));
             break;
+        case 5:
+            PrintAndLogEx(SUCCESS, "Answers to magic commands (Write Once / FUID): " _GREEN_("YES"));
+            break;
         default:
             PrintAndLogEx(INFO, "Answers to magic commands: " _YELLOW_("NO"));
             break;