CHG: 'HF MF C*' (chinese backdoor commands) According to douniwan5788 some magic...

[proxmark3-svn] / armsrc / mifareutil.c

diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c
index 3d6dce41d5e0884722145ba2aacd8a69567f9271..9c6adcce72074872a0efd16c9804e74c15c62833 100644 (file)
--- a/armsrc/mifareutil.c
+++ b/armsrc/mifareutil.c
@@ -474,7 +474,10 @@ int mifare_classic_halt_ex(struct Crypto1State *pcs) {
        uint8_t receivedAnswer[4] = {0x00, 0x00, 0x00, 0x00};\r
        len = mifare_sendcmd_short(pcs, (pcs == NULL) ? CRYPT_NONE : CRYPT_ALL, 0x50, 0x00, receivedAnswer, NULL, NULL);\r
        if (len != 0) {\r
-               if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("halt error. response len: %x", len);  \r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR) \r
+                       Dbprintf("halt error. response len: %x data:%02X %02X %02X %02X", len, receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3]);  \r
+               if (len == 1 && receivedAnswer[0] == 0x04)\r
+                       return 4;\r
                return 1;\r
        }\r
        return 0;\r