From 709ef8381f16588de94d08592670772364f18ffb Mon Sep 17 00:00:00 2001
From: Unknown <gelotus@gmail.com>
Date: Fri, 26 Jun 2020 13:34:50 +0200
Subject: [PATCH] reinit for retrieving new uid after block 0 write

---
 utils/nfc-mfclassic.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/utils/nfc-mfclassic.c b/utils/nfc-mfclassic.c
index f39dbe2..5278a37 100644
--- a/utils/nfc-mfclassic.c
+++ b/utils/nfc-mfclassic.c
@@ -490,7 +490,18 @@ write_card(int write_block_zero)
       return false;
 
   }
-
+  if (magic2 || magic3) {
+    if (nfc_initiator_init(pnd) < 0) {
+      nfc_perror(pnd, "nfc_initiator_init");
+      nfc_close(pnd);
+      nfc_exit(context);
+      exit(EXIT_FAILURE);
+    };
+    if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) <= 0) {
+      printf("!\nError: tag was removed\n");
+      return false;
+    }
+  }
   // Completely write the card, but skipping block 0
   for (uiBlock = 1; uiBlock <= uiBlocks; uiBlock++) {
     // Authenticate everytime we reach the first sector of a new block