MERGED: @holimans changes

[proxmark3-svn] / armsrc / iso14443a.c

diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index 9b7efaf6834bb5e4e98b4ca72be5470348c35607..38688a07f9d9bb4eb260406fc799164fd04baf1a 100644 (file)
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -565,16 +565,18 @@ void RAMFUNC SniffIso14443a(uint8_t param) {
        // param:
        // bit 0 - trigger from first card answer
        // bit 1 - trigger from first reader 7-bit request
-       
        LEDsoff();
 
-
        iso14443a_setup(FPGA_HF_ISO14443A_SNIFFER);
        
        // Allocate memory from BigBuf for some buffers
        // free all previous allocations first
        BigBuf_free();
-
+       
+       // init trace buffer
+       clear_trace();
+       set_tracing(TRUE);
+       
        // The command (reader -> tag) that we're receiving.
        uint8_t *receivedCmd = BigBuf_malloc(MAX_FRAME_SIZE);
        uint8_t *receivedCmdPar = BigBuf_malloc(MAX_PARITY_SIZE);
@@ -586,10 +588,6 @@ void RAMFUNC SniffIso14443a(uint8_t param) {
        // The DMA buffer, used to stream samples from the FPGA
        uint8_t *dmaBuf = BigBuf_malloc(DMA_BUFFER_SIZE);
 
-       // init trace buffer
-       clear_trace();
-       set_tracing(TRUE);
-
        uint8_t *data = dmaBuf;
        uint8_t previous_data = 0;
        int maxDataLen = 0;
@@ -715,12 +713,11 @@ void RAMFUNC SniffIso14443a(uint8_t param) {
                }
        } // main cycle
 
-       DbpString("COMMAND FINISHED");
-
        FpgaDisableSscDma();
+       LEDsoff();
+
        Dbprintf("maxDataLen=%d, Uart.state=%x, Uart.len=%d", maxDataLen, Uart.state, Uart.len);
        Dbprintf("traceLen=%d, Uart.output[0]=%08x", BigBuf_get_traceLen(), (uint32_t)Uart.output[0]);
-       LEDsoff();
 }
 
 //-----------------------------------------------------------------------------
@@ -1276,6 +1273,16 @@ void SimulateIso14443aTag(int tagType, int flags, int uid_2nd, byte_t* data)
                                                                ar_nr_responses[8], // AR2
                                                                ar_nr_responses[9]  // NR2
                                                        );
+                                                       Dbprintf("../tools/mfkey/mfkey32v2 %06x%08x %08x %08x %08x %08x %08x %08x",
+                                                               ar_nr_responses[0], // UID1
+                                                               ar_nr_responses[1], // UID2
+                                                               ar_nr_responses[2], // NT1
+                                                               ar_nr_responses[3], // AR1
+                                                               ar_nr_responses[4], // NR1
+                                                               ar_nr_responses[7], // NT2
+                                                               ar_nr_responses[8], // AR2
+                                                               ar_nr_responses[9]  // NR2
+                                                               );
                                        }
                                        uint8_t len = ar_nr_collected*5*4;
                                        cmd_send(CMD_ACK,CMD_SIMULATE_MIFARE_CARD,len,0,&ar_nr_responses,len);
@@ -1298,9 +1305,15 @@ void SimulateIso14443aTag(int tagType, int flags, int uid_2nd, byte_t* data)
                else {
                        // Check for ISO 14443A-4 compliant commands, look at left nibble
                        switch (receivedCmd[0]) {
-
+                               case 0x02:
+                               case 0x03: {  // IBlock (command no CID)
+                                       dynamic_response_info.response[0] = receivedCmd[0];
+                                       dynamic_response_info.response[1] = 0x90;
+                                       dynamic_response_info.response[2] = 0x00;
+                                       dynamic_response_info.response_n = 3;
+                               } break;
                                case 0x0B:
-                               case 0x0A: { // IBlock (command)
+                               case 0x0A: { // IBlock (command CID)
                                  dynamic_response_info.response[0] = receivedCmd[0];
                                  dynamic_response_info.response[1] = 0x00;
                                  dynamic_response_info.response[2] = 0x90;
@@ -1320,15 +1333,17 @@ void SimulateIso14443aTag(int tagType, int flags, int uid_2nd, byte_t* data)
                                  dynamic_response_info.response_n = 2;
                                } break;
                                  
-                               case 0xBA: { //
-                                 memcpy(dynamic_response_info.response,"\xAB\x00",2);
-                                 dynamic_response_info.response_n = 2;
+                               case 0xBA: { // ping / pong
+                                       dynamic_response_info.response[0] = 0xAB;
+                                       dynamic_response_info.response[1] = 0x00;
+                                       dynamic_response_info.response_n = 2;
                                } break;
 
                                case 0xCA:
                                case 0xC2: { // Readers sends deselect command
-                                 memcpy(dynamic_response_info.response,"\xCA\x00",2);
-                                 dynamic_response_info.response_n = 2;
+                                       dynamic_response_info.response[0] = 0xCA;
+                                       dynamic_response_info.response[1] = 0x00;
+                                       dynamic_response_info.response_n = 2;
                                } break;
 
                                default: {
@@ -1815,7 +1830,6 @@ static int GetIso14443aAnswerFromTag(uint8_t *receivedResponse, uint8_t *receive
        }
 }
 
-
 void ReaderTransmitBitsPar(uint8_t* frame, uint16_t bits, uint8_t *par, uint32_t *timing)
 {
        CodeIso14443aBitsAsReaderPar(frame, bits, par);
@@ -1831,13 +1845,11 @@ void ReaderTransmitBitsPar(uint8_t* frame, uint16_t bits, uint8_t *par, uint32_t
        }
 }
 
-
 void ReaderTransmitPar(uint8_t* frame, uint16_t len, uint8_t *par, uint32_t *timing)
 {
   ReaderTransmitBitsPar(frame, len*8, par, timing);
 }
 
-
 void ReaderTransmitBits(uint8_t* frame, uint16_t len, uint32_t *timing)
 {
   // Generate parity and redirect
@@ -1846,7 +1858,6 @@ void ReaderTransmitBits(uint8_t* frame, uint16_t len, uint32_t *timing)
   ReaderTransmitBitsPar(frame, len, par, timing);
 }
 
-
 void ReaderTransmit(uint8_t* frame, uint16_t len, uint32_t *timing)
 {
   // Generate parity and redirect
@@ -2914,6 +2925,16 @@ void Mifare1ksim(uint8_t flags, uint8_t exitAfterNReads, uint8_t arg2, uint8_t *
                                        ar_nr_responses[8], // AR2
                                        ar_nr_responses[9]  // NR2
                                        );
+                       Dbprintf("../tools/mfkey/mfkey32v2 %06x%08x %08x %08x %08x %08x %08x %08x",
+                                       ar_nr_responses[0], // UID1
+                                       ar_nr_responses[1], // UID2
+                                       ar_nr_responses[2], // NT1
+                                       ar_nr_responses[3], // AR1
+                                       ar_nr_responses[4], // NR1
+                                       ar_nr_responses[7], // NT2
+                                       ar_nr_responses[8], // AR2
+                                       ar_nr_responses[9]  // NR2
+                                       );
                } else {
                        Dbprintf("Failed to obtain two AR/NR pairs!");
                        if(ar_nr_collected > 0 ) {
@@ -3067,6 +3088,7 @@ void RAMFUNC SniffMifare(uint8_t param) {
 
                                        // And reset the Miller decoder including its (now outdated) input buffer
                                        UartInit(receivedCmd, receivedCmdPar);
+                                       // why not UartReset?
                                }
                                TagIsActive = (Demod.state != DEMOD_UNSYNCD);
                        }
@@ -3081,11 +3103,8 @@ void RAMFUNC SniffMifare(uint8_t param) {
 
        } // main cycle
 
-       DbpString("COMMAND FINISHED");
-
        FpgaDisableSscDma();
        MfSniffEnd();
-       
-       Dbprintf("maxDataLen=%x, Uart.state=%x, Uart.len=%x", maxDataLen, Uart.state, Uart.len);
        LEDsoff();
+       Dbprintf("maxDataLen=%x, Uart.state=%x, Uart.len=%x", maxDataLen, Uart.state, Uart.len);
 }