fixed sending of RATS during iso-14443-4 select

[proxmark3-svn] / armsrc / iso14443a.c

diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index 7c1db14ba842a3067f808fd09a0fffa71898d455..3065c92a9ab2a89a92aec9808df2e24f494994d9 100644 (file)
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -1133,7 +1133,7 @@ void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd)
                        respdata = &nack;
                        respsize = sizeof(nack); // 4-bit answer
                } else if(receivedCmd[0] == 0x50) {     // Received a HALT
-                       DbpString("Reader requested we HALT!:");
+//                     DbpString("Reader requested we HALT!:");
                        // Do not respond
                        resp = resp1; respLen = 0; order = 0;
                        respdata = NULL;
@@ -1147,16 +1147,19 @@ void SimulateIso14443aTag(int tagType, int uid_1st, int uid_2nd)
                        respdata = response6;
                        respsize = sizeof(response6);
                } else {
-                       // Never seen this command before
-                       Dbprintf("Received (len=%d): %02x %02x %02x %02x %02x %02x %02x %02x %02x",
-                       len,
-                       receivedCmd[0], receivedCmd[1], receivedCmd[2],
-                       receivedCmd[3], receivedCmd[4], receivedCmd[5],
-                       receivedCmd[6], receivedCmd[7], receivedCmd[8]);
-                       // Do not respond
-                       resp = resp1; respLen = 0; order = 0;
-                       respdata = NULL;
-                       respsize = 0;
+      if (order == 7 && len ==8) {
+        uint32_t nr = bytes_to_num(receivedCmd,4);
+        uint32_t ar = bytes_to_num(receivedCmd+4,4);
+        Dbprintf("Auth attempt {nr}{ar}: %08x %08x",nr,ar);
+      } else {
+        // Never seen this command before
+        Dbprintf("Received unknown command (len=%d):",len);
+        Dbhexdump(len,receivedCmd,false);
+      }
+      // Do not respond
+      resp = resp1; respLen = 0; order = 0;
+      respdata = NULL;
+      respsize = 0;
                }
 
                // Count number of wakeups received after a halt
@@ -1725,12 +1728,12 @@ int iso14443a_select_card(byte_t* uid_ptr, iso14a_card_select_t* p_hi14a_card, u
   }
 
        // Request for answer to select
-       if(p_hi14a_card) {  // JCOP cards - if reader sent RATS then there is no MIFARE session at all!!!
-               AppendCrc14443a(rats, 2);
-               ReaderTransmit(rats, sizeof(rats));
-               
-               if (!(len = ReaderReceive(resp))) return 0;
-               
+  AppendCrc14443a(rats, 2);
+  ReaderTransmit(rats, sizeof(rats));
+  
+  if (!(len = ReaderReceive(resp))) return 0;
+
+  if(p_hi14a_card) {
                memcpy(p_hi14a_card->ats, resp, sizeof(p_hi14a_card->ats));
                p_hi14a_card->ats_len = len;
        }