]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/iclass.c
FIX: Coverity Scans complain about uninitialized usage of struct. Setting s->ODD...
[proxmark3-svn] / armsrc / iclass.c
index e5bd4f42852ef1682962a48aedccb6be08cd7417..2dff8a4e7246d4cef8cee4c0ee589ae50c1abd11 100644 (file)
@@ -36,7 +36,7 @@
 //
 //-----------------------------------------------------------------------------
 
-#include "../include/proxmark3.h"
+#include "proxmark3.h"
 #include "apps.h"
 #include "util.h"
 #include "string.h"
@@ -45,9 +45,8 @@
 // Needed for CRC in emulation mode;
 // same construction as in ISO 14443;
 // different initial value (CRC_ICLASS)
-#include "../common/iso14443crc.h"
-#include "../common/iso15693tools.h"
-//#include "iso15693tools.h"
+#include "iso14443crc.h"
+#include "iso15693tools.h"
 #include "protocols.h"
 #include "optimized_cipher.h"
 
@@ -427,10 +426,11 @@ static RAMFUNC int ManchesterDecoding(int v)
                                        Demod.state = DEMOD_UNSYNCD;
                                        error = 0x88;
                                }
-
+                               
+                               // TODO: use this error value to print?  Ask Holiman.
+                               // 2016-01-08 iceman
                        }
                        error = 0;
-
                }
        }
        else {
@@ -817,6 +817,7 @@ done:
     LED_B_OFF();
     LED_C_OFF();
     LED_D_OFF();
+       set_tracing(FALSE);     
 }
 
 void rotateCSN(uint8_t* originalCSN, uint8_t* rotatedCSN) {
@@ -1041,7 +1042,7 @@ void SimulateIClass(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain
                Dbprintf("The mode is not implemented, reserved for future use");
        }
        Dbprintf("Done...");
-
+       set_tracing(FALSE);     
 }
 void AppendCrc(uint8_t* data, int len)
 {
@@ -1126,7 +1127,6 @@ int doIClassSimulation( int simulationMode, uint8_t *reader_mac_buf)
        int resp_cc_len;
 
        uint8_t *receivedCmd = BigBuf_malloc(MAX_FRAME_SIZE);
-       memset(receivedCmd, 0x44, MAX_FRAME_SIZE);
        int len;
 
        // Prepare card messages
@@ -1337,7 +1337,6 @@ int doIClassSimulation( int simulationMode, uint8_t *reader_mac_buf)
                        }
 
                }
-               memset(receivedCmd, 0x44, MAX_FRAME_SIZE);
        }
 
        //Dbprintf("%x", cmdsRecvd);
@@ -1604,16 +1603,16 @@ void setupIclassReader()
 
 }
 
-size_t sendCmdGetResponseWithRetries(uint8_t* command, size_t cmdsize, uint8_t* resp, uint8_t expected_size, uint8_t retries)
+bool sendCmdGetResponseWithRetries(uint8_t* command, size_t cmdsize, uint8_t* resp, uint8_t expected_size, uint8_t retries)
 {
        while(retries-- > 0)
        {
                ReaderTransmitIClass(command, cmdsize);
                if(expected_size == ReaderReceiveIClass(resp)){
-                       return 0;
+                       return true;
                }
        }
-       return 1;//Error
+       return false;//Error
 }
 
 /**
@@ -1623,14 +1622,17 @@ size_t sendCmdGetResponseWithRetries(uint8_t* command, size_t cmdsize, uint8_t*
  *         1 = Got CSN
  *         2 = Got CSN and CC
  */
-uint8_t handshakeIclassTag(uint8_t *card_data)
+uint8_t handshakeIclassTag_ext(uint8_t *card_data, bool use_credit_key)
 {
        static uint8_t act_all[]     = { 0x0a };
-       static uint8_t identify[]    = { 0x0c };
+       //static uint8_t identify[]    = { 0x0c };
+       static uint8_t identify[]    = { 0x0c, 0x00, 0x73, 0x33 };
        static uint8_t select[]      = { 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-
-
-       static uint8_t readcheck_cc[]= { 0x88, 0x02,};
+       static uint8_t readcheck_cc[]= { 0x88, 0x02 };
+       if (use_credit_key)
+               readcheck_cc[0] = 0x18;
+       else
+               readcheck_cc[0] = 0x88;
 
        uint8_t resp[ICLASS_BUFFER_SIZE];
 
@@ -1671,12 +1673,16 @@ uint8_t handshakeIclassTag(uint8_t *card_data)
 
        return read_status;
 }
+uint8_t handshakeIclassTag(uint8_t *card_data){
+       return handshakeIclassTag_ext(card_data, false);
+}
 
 
 // Reader iClass Anticollission
 void ReaderIClass(uint8_t arg0) {
 
-       uint8_t card_data[6 * 8]={0xFF};
+       uint8_t card_data[6 * 8]={0};
+       memset(card_data, 0xFF, sizeof(card_data));
     uint8_t last_csn[8]={0};
        
        //Read conf block CRC(0x01) => 0xfa 0x22
@@ -1688,20 +1694,25 @@ void ReaderIClass(uint8_t arg0) {
     int read_status= 0;
        uint8_t result_status = 0;
     bool abort_after_read = arg0 & FLAG_ICLASS_READER_ONLY_ONCE;
-
+       bool try_once = arg0 & FLAG_ICLASS_READER_ONE_TRY;
+       bool use_credit_key = false;
+       if (arg0 & FLAG_ICLASS_READER_CEDITKEY)
+               use_credit_key = true;
        set_tracing(TRUE);
     setupIclassReader();
 
+       uint16_t tryCnt=0;
     while(!BUTTON_PRESS())
     {
-
+               if (try_once && tryCnt > 5) break; 
+               tryCnt++;
                if(!tracing) {
                        DbpString("Trace full");
                        break;
                }
                WDT_HIT();
 
-               read_status = handshakeIclassTag(card_data);
+               read_status = handshakeIclassTag_ext(card_data, use_credit_key);
 
                if(read_status == 0) continue;
                if(read_status == 1) result_status = FLAG_ICLASS_READER_CSN;
@@ -1715,11 +1726,10 @@ void ReaderIClass(uint8_t arg0) {
                if(arg0 & FLAG_ICLASS_READER_CONF)
                {
                        if(sendCmdGetResponseWithRetries(readConf, sizeof(readConf),card_data+8, 10, 10))
-                       {
-                               Dbprintf("Failed to dump config block");
-                       }else
                        {
                                result_status |= FLAG_ICLASS_READER_CONF;
+                       } else {
+                               Dbprintf("Failed to dump config block");
                        }
                }
 
@@ -1727,10 +1737,9 @@ void ReaderIClass(uint8_t arg0) {
                if(arg0 & FLAG_ICLASS_READER_AA){
                        if(sendCmdGetResponseWithRetries(readAA, sizeof(readAA),card_data+(8*4), 10, 10))
                        {
-//                             Dbprintf("Failed to dump AA block");
-                       }else
-                       {
                                result_status |= FLAG_ICLASS_READER_AA;
+                       } else {
+                               //Dbprintf("Failed to dump AA block");
                        }
                }
 
@@ -1753,17 +1762,18 @@ void ReaderIClass(uint8_t arg0) {
                                cmd_send(CMD_ACK,result_status,0,0,card_data,sizeof(card_data));
                                if(abort_after_read) {
                                        LED_A_OFF();
+                                       set_tracing(FALSE);     
                                        return;
                                }
-                    //Save that we already sent this....
-                        memcpy(last_csn, card_data, 8);
+                               //Save that we already sent this....
+                               memcpy(last_csn, card_data, 8);
                        }
-
                }
                LED_B_OFF();
     }
     cmd_send(CMD_ACK,0,0,0,card_data, 0);
     LED_A_OFF();
+       set_tracing(FALSE);             
 }
 
 void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
@@ -1811,33 +1821,33 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
                uint8_t read_status = handshakeIclassTag(card_data);
                if(read_status < 2) continue;
 
-                               //for now replay captured auth (as cc not updated)
-                               memcpy(check+5,MAC,4);
+               //for now replay captured auth (as cc not updated)
+               memcpy(check+5,MAC,4);
 
-               if(sendCmdGetResponseWithRetries(check, sizeof(check),resp, 4, 5))
+               if(!sendCmdGetResponseWithRetries(check, sizeof(check),resp, 4, 5))
                {
-                                 Dbprintf("Error: Authentication Fail!");
+                       Dbprintf("Error: Authentication Fail!");
                        continue;
-                               }
+               }
 
                //first get configuration block (block 1)
                crc = block_crc_LUT[1];
-                               read[1]=1;
-                               read[2] = crc >> 8;
-                               read[3] = crc & 0xff;
+               read[1]=1;
+               read[2] = crc >> 8;
+               read[3] = crc & 0xff;
 
-               if(sendCmdGetResponseWithRetries(read, sizeof(read),resp, 10, 10))
+               if(!sendCmdGetResponseWithRetries(read, sizeof(read),resp, 10, 10))
                {
                        Dbprintf("Dump config (block 1) failed");
                        continue;
                }
 
-                                        mem=resp[5];
-                                        memory.k16= (mem & 0x80);
-                                        memory.book= (mem & 0x20);
-                                        memory.k2= (mem & 0x8);
-                                        memory.lockauth= (mem & 0x2);
-                                        memory.keyaccess= (mem & 0x1);
+                mem=resp[5];
+                memory.k16= (mem & 0x80);
+                memory.book= (mem & 0x20);
+                memory.k2= (mem & 0x8);
+                memory.lockauth= (mem & 0x2);
+                memory.keyaccess= (mem & 0x1);
 
                cardsize = memory.k16 ? 255 : 32;
                WDT_HIT();
@@ -1850,15 +1860,15 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
 
                        read[1]= block;
                        crc = block_crc_LUT[block];
-                                   read[2] = crc >> 8;
-                                   read[3] = crc & 0xff;
+                       read[2] = crc >> 8;
+                       read[3] = crc & 0xff;
 
-                       if(!sendCmdGetResponseWithRetries(read, sizeof(read), resp, 10, 10))
+                       if(sendCmdGetResponseWithRetries(read, sizeof(read), resp, 10, 10))
                        {
-                                        Dbprintf("     %02x: %02x %02x %02x %02x %02x %02x %02x %02x",
-                                                block, resp[0], resp[1], resp[2],
-                                         resp[3], resp[4], resp[5],
-                                         resp[6], resp[7]);
+                               Dbprintf("     %02x: %02x %02x %02x %02x %02x %02x %02x %02x",
+                                       block, resp[0], resp[1], resp[2],
+                                       resp[3], resp[4], resp[5],
+                                       resp[6], resp[7]);
 
                                //Fill up the buffer
                                memcpy(card_data+stored_data_length,resp,8);
@@ -1874,8 +1884,7 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
                                        stored_data_length = 0;
                                        failedRead = 0;
                                }
-
-                       }else{
+                       } else {
                                failedRead = 1;
                                stored_data_length +=8;//Otherwise, data becomes misaligned
                                Dbprintf("Failed to dump block %d", block);
@@ -1902,132 +1911,132 @@ void ReaderIClass_Replay(uint8_t arg0, uint8_t *MAC) {
                         card_data, 0);
 
        LED_A_OFF();
+       set_tracing(FALSE);             
 }
 
-//2. Create Read method (cut-down from above) based off responses from 1. 
-//   Since we have the MAC could continue to use replay function.
-//3. Create Write method
-/*
-void IClass_iso14443A_write(uint8_t arg0, uint8_t blockNo, uint8_t *data, 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 };
-       uint8_t write[]       = { 0x87, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-       
-    uint16_t crc = 0;
-       
-       uint8_t* resp = (((uint8_t *)BigBuf) + 3560);
-
-       // 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);
+void iClass_ReadCheck(uint8_t  blockNo, uint8_t keyType) {
+       uint8_t readcheck[] = { keyType, blockNo };
+       uint8_t resp[] = {0,0,0,0,0,0,0,0};
+       size_t isOK = 0;
+       isOK = sendCmdGetResponseWithRetries(readcheck, sizeof(readcheck), resp, sizeof(resp), 6);
+       cmd_send(CMD_ACK,isOK,0,0,0,0);
+}
 
-       SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
+void iClass_Authentication(uint8_t *MAC) {
+       uint8_t check[] = { ICLASS_CMD_CHECK, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+       uint8_t resp[ICLASS_BUFFER_SIZE];
+       memcpy(check+5,MAC,4);
+       bool isOK;
+       isOK = sendCmdGetResponseWithRetries(check, sizeof(check), resp, 4, 6);
+       cmd_send(CMD_ACK,isOK,0,0,0,0);
+}
+bool iClass_ReadBlock(uint8_t blockNo, uint8_t *readdata) {
+       uint8_t readcmd[] = {ICLASS_CMD_READ_OR_IDENTIFY, blockNo, 0x00, 0x00}; //0x88, 0x00 // can i use 0C?
+       char bl = blockNo;
+       uint16_t rdCrc = iclass_crc16(&bl, 1);
+       readcmd[2] = rdCrc >> 8;
+       readcmd[3] = rdCrc & 0xff;
+       uint8_t resp[] = {0,0,0,0,0,0,0,0,0,0};
+       bool isOK = false;
+
+       //readcmd[1] = blockNo;
+       isOK = sendCmdGetResponseWithRetries(readcmd, sizeof(readcmd), resp, 10, 10);
+       memcpy(readdata, resp, sizeof(resp));
+
+       return isOK;
+}
 
-       // 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);
+void iClass_ReadBlk(uint8_t blockno) {
+       uint8_t readblockdata[] = {0,0,0,0,0,0,0,0,0,0};
+       bool isOK = false;
+       isOK = iClass_ReadBlock(blockno, readblockdata);
+       cmd_send(CMD_ACK, isOK, 0, 0, readblockdata, 8);
+}
 
-       LED_A_ON();
+void iClass_Dump(uint8_t blockno, uint8_t numblks) {
+       uint8_t readblockdata[] = {0,0,0,0,0,0,0,0,0,0};
+       bool isOK = false;
+       uint8_t blkCnt = 0;
 
-       for(int i=0;i<1;i++) {
-       
-               if(traceLen > TRACE_SIZE) {
-                       DbpString("Trace full");
+       BigBuf_free();
+       uint8_t *dataout = BigBuf_malloc(255*8);
+       if (dataout == NULL){
+               Dbprintf("out of memory");
+               OnError(1);
+               return;
+       }
+       memset(dataout,0xFF,255*8);
+
+       for (;blkCnt < numblks; blkCnt++) {
+               isOK = iClass_ReadBlock(blockno+blkCnt, readblockdata);
+               if (!isOK || (readblockdata[0] == 0xBB || readblockdata[7] == 0xBB || readblockdata[2] == 0xBB)) { //try again
+                       isOK = iClass_ReadBlock(blockno+blkCnt, readblockdata);
+                       if (!isOK) {
+                               Dbprintf("Block %02X failed to read", blkCnt+blockno);
                        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]);
+               }
+               memcpy(dataout+(blkCnt*8),readblockdata,8);
+       }
+       //return pointer to dump memory in arg3
+       cmd_send(CMD_ACK,isOK,blkCnt,BigBuf_max_traceLen(),0,0);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       LEDsoff();
+       BigBuf_free();
+}
+
+bool iClass_WriteBlock_ext(uint8_t blockNo, uint8_t *data) {
+       uint8_t write[] = { ICLASS_CMD_UPDATE, blockNo, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+       //uint8_t readblockdata[10];
+       //write[1] = blockNo;
+       memcpy(write+2, data, 12); // data + mac
+       uint8_t resp[] = {0,0,0,0,0,0,0,0,0,0};
+       bool isOK;
+       isOK = sendCmdGetResponseWithRetries(write,sizeof(write),resp,sizeof(resp),10);
+       if (isOK) {
+               //Dbprintf("WriteResp: %02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",resp[0],resp[1],resp[2],resp[3],resp[4],resp[5],resp[6],resp[7],resp[8],resp[9]);
+               if (memcmp(write+2,resp,8)) {
+                       //error try again
+                       isOK = sendCmdGetResponseWithRetries(write,sizeof(write),resp,sizeof(resp),10);
+               }
+       }
+       return isOK;
+}
+
+void iClass_WriteBlock(uint8_t blockNo, uint8_t *data) {
+       bool isOK = iClass_WriteBlock_ext(blockNo, data);
+       if (isOK){
+               Dbprintf("Write block [%02x] successful",blockNo);
                                }else {
-                                 Dbprintf("Error: Authentication Fail!");
-                                 return;
-                               }
-                               Dbprintf("Write Block");
-                               
-                               //read configuration for max block number
-                               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;
-                               //check card_size
-                               
-                               memcpy(write+1,blockNo,1);
-                               memcpy(write+2,data,8);
-                               memcpy(write+10,mac,4);
-                               while(!send_success){
-                                 ReaderTransmitIClass(write, sizeof(write));
-                                 if(ReaderReceiveIClass(resp) == 10) {
-                                   write_success=true;
-                               }
-                       }//
+               Dbprintf("Write block [%02x] failed",blockNo);          
+       }
+       cmd_send(CMD_ACK,isOK,0,0,0,0); 
+}
+
+void iClass_Clone(uint8_t startblock, uint8_t endblock, uint8_t *data) {
+       int i;
+       int written = 0;
+       int total_block = (endblock - startblock) + 1;
+       for (i = 0; i < total_block;i++){
+               // block number
+               if (iClass_WriteBlock_ext(i+startblock, data+(i*12))){
+                       Dbprintf("Write block [%02x] successful",i + startblock);
+                       written++;
+               } else {
+                       if (iClass_WriteBlock_ext(i+startblock, data+(i*12))){
+                               Dbprintf("Write block [%02x] successful",i + startblock);
+                               written++;
+                       } else {
+                               Dbprintf("Write block [%02x] failed",i + startblock);
+                       }
                }
-               WDT_HIT();
        }
-       
-       LED_A_OFF();
-}*/
+       if (written == total_block)
+               Dbprintf("Clone complete");
+       else
+               Dbprintf("Clone incomplete");   
+
+       cmd_send(CMD_ACK,1,0,0,0,0);
+       FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+       LEDsoff();
+}
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