ADD: added the "hf snoop" patch original from @Enio, rearranged by @Etmatrix.

[proxmark3-svn] / client / cmdhf14b.c

diff --git a/client/cmdhf14b.c b/client/cmdhf14b.c
index 9b2fa753903fadad3eb999a196e1b655b8a7c1b3..7b67f8c2646759064e43f173cb34bb73d48a1152 100644 (file)
--- a/client/cmdhf14b.c
+++ b/client/cmdhf14b.c
@@ -11,284 +11,699 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>

-#include <string.h>

 #include <stdint.h>
 #include "iso14443crc.h"
 #include <stdint.h>
 #include "iso14443crc.h"

-#include "proxusb.h"

 #include "proxmark3.h"
 #include "data.h"
 #include "graph.h"
 #include "proxmark3.h"
 #include "data.h"
 #include "graph.h"

+#include "util.h"

 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhf14b.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhf14b.h"

+#include "cmdmain.h"
+#include "cmdhf14a.h"

 
 static int CmdHelp(const char *Cmd);
 
 
 static int CmdHelp(const char *Cmd);
 

-int CmdHF14BDemod(const char *Cmd)
+int CmdHF14BList(const char *Cmd)

 {
 {

-  int i, j, iold;
-  int isum, qsum;
-  int outOfWeakAt;
-  bool negateI, negateQ;
-
-  uint8_t data[256];
-  int dataLen = 0;
-
-  // As received, the samples are pairs, correlations against I and Q
-  // square waves. So estimate angle of initial carrier (or just
-  // quadrant, actually), and then do the demod.
-
-  // First, estimate where the tag starts modulating.
-  for (i = 0; i < GraphTraceLen; i += 2) {
-    if (abs(GraphBuffer[i]) + abs(GraphBuffer[i + 1]) > 40) {
-      break;
-    }
-  }
-  if (i >= GraphTraceLen) {
-    PrintAndLog("too weak to sync");
-    return 0;
-  }
-  PrintAndLog("out of weak at %d", i);
-  outOfWeakAt = i;
-
-  // Now, estimate the phase in the initial modulation of the tag
-  isum = 0;
-  qsum = 0;
-  for (; i < (outOfWeakAt + 16); i += 2) {
-    isum += GraphBuffer[i + 0];
-    qsum += GraphBuffer[i + 1];
-  }
-  negateI = (isum < 0);
-  negateQ = (qsum < 0);
-
-  // Turn the correlation pairs into soft decisions on the bit.
-  j = 0;
-  for (i = 0; i < GraphTraceLen / 2; i++) {
-    int si = GraphBuffer[j];
-    int sq = GraphBuffer[j + 1];
-    if (negateI) si = -si;
-    if (negateQ) sq = -sq;
-    GraphBuffer[i] = si + sq;
-    j += 2;
-  }
-  GraphTraceLen = i;
-
-  i = outOfWeakAt / 2;
-  while (GraphBuffer[i] > 0 && i < GraphTraceLen)
-    i++;
-  if (i >= GraphTraceLen) goto demodError;
-
-  iold = i;
-  while (GraphBuffer[i] < 0 && i < GraphTraceLen)
-    i++;
-  if (i >= GraphTraceLen) goto demodError;
-  if ((i - iold) > 23) goto demodError;
-
-  PrintAndLog("make it to demod loop");
-
-  for (;;) {
-    iold = i;
-    while (GraphBuffer[i] >= 0 && i < GraphTraceLen)
-      i++;
-    if (i >= GraphTraceLen) goto demodError;
-    if ((i - iold) > 6) goto demodError;
-
-    uint16_t shiftReg = 0;
-    if (i + 20 >= GraphTraceLen) goto demodError;
-
-    for (j = 0; j < 10; j++) {
-      int soft = GraphBuffer[i] + GraphBuffer[i + 1];
-
-      if (abs(soft) < (abs(isum) + abs(qsum)) / 20) {
-        PrintAndLog("weak bit");
-      }
-
-      shiftReg >>= 1;
-      if(GraphBuffer[i] + GraphBuffer[i+1] >= 0) {
-        shiftReg |= 0x200;
-      }
-
-      i+= 2;
-    }
+       PrintAndLog("Deprecated command, use 'hf list 14b' instead");

 
 

-    if ((shiftReg & 0x200) && !(shiftReg & 0x001))
-    {
-      // valid data byte, start and stop bits okay
-      PrintAndLog("   %02x", (shiftReg >> 1) & 0xff);
-      data[dataLen++] = (shiftReg >> 1) & 0xff;
-      if (dataLen >= sizeof(data)) {
-        return 0;
-      }
-    } else if (shiftReg == 0x000) {
-      // this is EOF
-      break;
-    } else {
-      goto demodError;
-    }
-  }
+       return 0;
+}

 
 

-  uint8_t first, second;
-  ComputeCrc14443(CRC_14443_B, data, dataLen-2, &first, &second);
-  PrintAndLog("CRC: %02x %02x (%s)\n", first, second,
-    (first == data[dataLen-2] && second == data[dataLen-1]) ?
-      "ok" : "****FAIL****");
+int CmdHF14BSim(const char *Cmd)
+{
+       UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443B};
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;
+}

 
 

-  RepaintGraphWindow();
-  return 0;
+int CmdHF14BSnoop(const char *Cmd)
+{
+       UsbCommand c = {CMD_SNOOP_ISO_14443B};
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;
+}

 
 

-demodError:
-  PrintAndLog("demod error");
-  RepaintGraphWindow();
-  return 0;
+/* New command to read the contents of a SRI512 tag
+ * SRI512 tags are ISO14443-B modulated memory tags,
+ * this command just dumps the contents of the memory
+ */
+int CmdSri512Read(const char *Cmd)
+{
+       UsbCommand c = {CMD_READ_SRI512_TAG, {strtol(Cmd, NULL, 0), 0, 0}};
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;

 }
 
 }
 

-int CmdHF14BList(const char *Cmd)
+/* New command to read the contents of a SRIX4K tag
+ * SRIX4K tags are ISO14443-B modulated memory tags,
+ * this command just dumps the contents of the memory/
+ */
+int CmdSrix4kRead(const char *Cmd)

 {
 {

-  uint8_t got[960];
-  GetFromBigBuf(got,sizeof(got),0);
+       UsbCommand c = {CMD_READ_SRIX4K_TAG, {strtol(Cmd, NULL, 0), 0, 0}};
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;
+}

 
 

-  PrintAndLog("recorded activity:");
-  PrintAndLog(" time  :rssi: who bytes");
-  PrintAndLog("---------+----+----+-----------");
+int rawClose(void){
+       UsbCommand resp;
+       UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}};
+       clearCommandBuffer();
+       SendCommand(&c);
+       if (!WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
+       return 0;       
+       }
+       return 0;
+}

 
 

-  int i = 0;
-  int prev = -1;
+int HF14BCmdRaw(bool reply, bool *crc, bool power, uint8_t *data, uint8_t *datalen, bool verbose){
+               
+       if(*crc) {
+               ComputeCrc14443(CRC_14443_B, data, *datalen, data+*datalen, data+*datalen+1);
+               *datalen += 2;
+       }
+
+       UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}}; // len,recv,power
+       c.arg[0] = *datalen;
+       c.arg[1] = reply;
+       c.arg[2] = power;
+       memcpy(c.d.asBytes, data, *datalen);
+       clearCommandBuffer();
+       SendCommand(&c);
+
+       if (!reply) return 1; 
+
+       UsbCommand resp;
+       if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
+               if (verbose) PrintAndLog("timeout while waiting for reply.");
+               return 0;
+       }
+
+       *datalen = resp.arg[0];
+       if (verbose) PrintAndLog("received %u octets", *datalen);
+       if(*datalen<3) return 0;
+
+       memcpy(data, resp.d.asBytes, *datalen);
+       
+       uint8_t first = 0, second = 0;
+       ComputeCrc14443(CRC_14443_B, data, *datalen-2, &first, &second);
+       *crc = ( data[*datalen-2] == first && data[*datalen-1] == second);
+
+       if (verbose)
+               PrintAndLog("[LEN %u] %s[%02X %02X] %s",
+                               *datalen,
+                               sprint_hex(data, *datalen-2),
+                               data[*datalen-2],
+                               data[*datalen-1],
+                               (*crc)?"OK":"FAIL"
+                               );
+       
+       return 1;
+}

 
 

-  for(;;) {
-    if(i >= 900) {
-      break;
+int CmdHF14BCmdRaw (const char *Cmd) {
+    bool reply = true;
+    bool crc = false;
+       bool power = false;
+       bool select = false;
+       bool SRx = false;
+    char buf[5]="";
+    uint8_t data[USB_CMD_DATA_SIZE] = {0x00};
+    uint8_t datalen = 0;
+    unsigned int temp;
+    int i = 0;
+    if (strlen(Cmd)<3) {
+               PrintAndLog("Usage: hf 14b raw [-r] [-c] [-p] [-s || -ss] <0A 0B 0C ... hex>");
+        PrintAndLog("       -r    do not read response");
+        PrintAndLog("       -c    calculate and append CRC");
+        PrintAndLog("       -p    leave the field on after receive");
+               PrintAndLog("       -s    active signal field ON with select");
+               PrintAndLog("       -ss   active signal field ON with select for SRx ST Microelectronics tags");
+        return 0;    

     }
 
     }
 

-    bool isResponse;
-    int timestamp = *((uint32_t *)(got+i));
-    if(timestamp & 0x80000000) {
-      timestamp &= 0x7fffffff;
-      isResponse = 1;
-    } else {
-      isResponse = 0;
+    // strip
+    while (*Cmd==' ' || *Cmd=='\t') Cmd++;
+    
+    while (Cmd[i]!='\0') {
+        if (Cmd[i]==' ' || Cmd[i]=='\t') { i++; continue; }
+        if (Cmd[i]=='-') {
+            switch (Cmd[i+1]) {
+                case 'r': 
+                case 'R': 
+                    reply = false;
+                    break;
+                case 'c':
+                case 'C':                
+                    crc = true;
+                    break;
+                case 'p': 
+                case 'P': 
+                                       power = true;
+                    break;
+                               case 's':
+                               case 'S':
+                                       select = true;
+                                       if (Cmd[i+2]=='s' || Cmd[i+2]=='S') {
+                                               SRx = true;
+                                               i++;
+                                       }
+                                       break;
+                default:
+                    PrintAndLog("Invalid option");
+                    return 0;
+            }
+            i+=2;
+            continue;
+        }
+        if ((Cmd[i]>='0' && Cmd[i]<='9') ||
+            (Cmd[i]>='a' && Cmd[i]<='f') ||
+            (Cmd[i]>='A' && Cmd[i]<='F') ) {
+            buf[strlen(buf)+1]=0;
+            buf[strlen(buf)]=Cmd[i];
+            i++;
+            
+            if (strlen(buf)>=2) {
+                sscanf(buf,"%x",&temp);
+                data[datalen++]=(uint8_t)(temp & 0xff);
+                *buf=0;
+                               memset(buf, 0x00, sizeof(buf));
+            }
+            continue;
+        }
+        PrintAndLog("Invalid char on input");
+               return 0;
+    }
+    if (datalen == 0)
+    {
+      PrintAndLog("Missing data input");
+      return 0;

     }
     }

-    int metric = *((uint32_t *)(got+i+4));

 
 

-    int len = got[i+8];
+       if (select){ //auto select 14b tag
+               uint8_t cmd2[16];
+               bool crc2 = true;
+               uint8_t cmdLen;
+
+               if (SRx) {
+                       // REQ SRx
+                       cmdLen = 2;
+                       cmd2[0] = 0x06;
+                       cmd2[1] = 0x00;
+               } else {
+                       // REQB
+                       cmdLen = 3;
+                       cmd2[0] = 0x05;
+                       cmd2[1] = 0x00;
+                       cmd2[2] = 0x08;
+               }
+               
+               // REQB
+               if (HF14BCmdRaw(true, &crc2, true, cmd2, &cmdLen, false)==0) return rawClose();
+                                                                         
+               PrintAndLog("REQB   : %s", sprint_hex(cmd2, cmdLen));
+               
+               if ( SRx && (cmdLen != 3 || !crc2) ) return rawClose();
+               else if (cmd2[0] != 0x50 || cmdLen != 14 || !crc2) return rawClose();
+               
+               uint8_t chipID = 0;
+               if (SRx) {
+                       // select
+                       chipID = cmd2[0];
+                       cmd2[0] = 0x0E;
+                       cmd2[1] = chipID;
+                       cmdLen = 2;
+               } else {
+                       // attrib
+                       cmd2[0] = 0x1D; 
+                       // UID from cmd2[1 - 4]
+                       cmd2[5] = 0x00;
+                       cmd2[6] = 0x08;
+                       cmd2[7] = 0x01;
+                       cmd2[8] = 0x00;
+                       cmdLen = 9;
+               }
+               // wait         
+               
+               // attrib
+               if (HF14BCmdRaw(true, &crc2, true, cmd2, &cmdLen, false)==0) return rawClose();
+               PrintAndLog("ATTRIB : %s", sprint_hex(cmd2, cmdLen));
+               
+               if (cmdLen != 3 || !crc2) return rawClose();            
+               if (SRx && cmd2[0] != chipID) return rawClose();
+       
+       }
+       return HF14BCmdRaw(reply, &crc, power, data, &datalen, true);
+}

 
 

-    if(len > 100) {
-      break;
-    }
-    if(i + len >= 900) {
-      break;
-    }
+// print full atqb info
+static void print_atqb_resp(uint8_t *data){
+       //PrintAndLog ("           UID: %s", sprint_hex(data+1,4));
+       PrintAndLog ("      App Data: %s", sprint_hex(data+5,4));
+       PrintAndLog ("      Protocol: %s", sprint_hex(data+9,3));
+       uint8_t BitRate = data[9];
+       if (!BitRate) PrintAndLog ("      Bit Rate: 106 kbit/s only PICC <-> PCD");
+       if (BitRate & 0x10)     PrintAndLog ("      Bit Rate: 212 kbit/s PICC -> PCD supported");
+       if (BitRate & 0x20)     PrintAndLog ("      Bit Rate: 424 kbit/s PICC -> PCD supported"); 
+       if (BitRate & 0x40)     PrintAndLog ("      Bit Rate: 847 kbit/s PICC -> PCD supported"); 
+       if (BitRate & 0x01)     PrintAndLog ("      Bit Rate: 212 kbit/s PICC <- PCD supported");
+       if (BitRate & 0x02)     PrintAndLog ("      Bit Rate: 424 kbit/s PICC <- PCD supported"); 
+       if (BitRate & 0x04)     PrintAndLog ("      Bit Rate: 847 kbit/s PICC <- PCD supported"); 
+       if (BitRate & 0x80)     PrintAndLog ("                Same bit rate <-> required");
+
+       uint16_t maxFrame = data[10]>>4;
+       if (maxFrame < 5)               maxFrame = 8 * maxFrame + 16;
+       else if (maxFrame == 5) maxFrame = 64;
+       else if (maxFrame == 6) maxFrame = 96;
+       else if (maxFrame == 7) maxFrame = 128;
+       else if (maxFrame == 8) maxFrame = 256;
+       else maxFrame = 257;
+
+       PrintAndLog ("Max Frame Size: %u%s",maxFrame, (maxFrame == 257) ? "+ RFU" : "");
+
+       uint8_t protocolT = data[10] & 0xF;
+       PrintAndLog (" Protocol Type: Protocol is %scompliant with ISO/IEC 14443-4",(protocolT) ? "" : "not " );
+       PrintAndLog ("Frame Wait Int: %u", data[11]>>4);
+       PrintAndLog (" App Data Code: Application is %s",(data[11]&4) ? "Standard" : "Proprietary");
+       PrintAndLog (" Frame Options: NAD is %ssupported",(data[11]&2) ? "" : "not ");
+       PrintAndLog (" Frame Options: CID is %ssupported",(data[11]&1) ? "" : "not ");
+       PrintAndLog ("Max Buf Length: %u (MBLI) %s",data[14]>>4, (data[14] & 0xF0) ? "" : "not supported");
+
+       return;
+}

 
 

-    uint8_t *frame = (got+i+9);
+// get SRx chip model (from UID) // from ST Microelectronics
+char *get_ST_Chip_Model(uint8_t data){
+       static char model[20];
+       char *retStr = model;
+       memset(model,0, sizeof(model));
+
+       switch (data) {
+               case 0x0: sprintf(retStr, "SRIX4K (Special)"); break;
+               case 0x2: sprintf(retStr, "SR176"); break;
+               case 0x3: sprintf(retStr, "SRIX4K"); break;
+               case 0x4: sprintf(retStr, "SRIX512"); break;
+               case 0x6: sprintf(retStr, "SRI512"); break;
+               case 0x7: sprintf(retStr, "SRI4K"); break;
+               case 0xC: sprintf(retStr, "SRT512"); break;
+               default: sprintf(retStr, "Unknown"); break;
+       }
+       return retStr;
+}

 
 

-    char line[1000] = "";
-    int j;
-    for(j = 0; j < len; j++) {
-      sprintf(line+(j*3), "%02x  ", frame[j]);
-    }
+int print_ST_Lock_info(uint8_t model){
+       //assume connection open and tag selected...
+       uint8_t data[16] = {0x00};
+       uint8_t datalen = 2;
+       bool crc = true;
+       uint8_t resplen;
+       uint8_t blk1;
+       data[0] = 0x08;
+
+       if (model == 0x2) { //SR176 has special command:
+               data[1] = 0xf;
+               resplen = 4;                    
+       } else {
+               data[1] = 0xff;
+               resplen = 6;
+       }
+
+       //std read cmd
+       if (HF14BCmdRaw(true, &crc, true, data, &datalen, false)==0) return rawClose();
+
+       if (datalen != resplen || !crc) return rawClose();
+
+       PrintAndLog("Chip Write Protection Bits:");
+       // now interpret the data
+       switch (model){
+               case 0x0: //fall through (SRIX4K special)
+               case 0x3: //fall through (SRIx4K)
+               case 0x7: //             (SRI4K)
+                       //only need data[3]
+                       blk1 = 9;
+                       PrintAndLog("   raw: %s",printBits(1,data+3));
+                       PrintAndLog(" 07/08:%slocked", (data[3] & 1) ? " not " : " " );
+                       for (uint8_t i = 1; i<8; i++){
+                               PrintAndLog("    %02u:%slocked", blk1, (data[3] & (1 << i)) ? " not " : " " );
+                               blk1++;
+                       }
+                       break;
+               case 0x4: //fall through (SRIX512)
+               case 0x6: //fall through (SRI512)
+               case 0xC: //             (SRT512)
+                       //need data[2] and data[3]
+                       blk1 = 0;
+                       PrintAndLog("   raw: %s",printBits(2,data+2));
+                       for (uint8_t b=2; b<4; b++){
+                               for (uint8_t i=0; i<8; i++){
+                                       PrintAndLog("    %02u:%slocked", blk1, (data[b] & (1 << i)) ? " not " : " " );
+                                       blk1++;
+                               }
+                       }
+                       break;
+               case 0x2: //             (SR176)
+                       //need data[2]
+                       blk1 = 0;
+                       PrintAndLog("   raw: %s",printBits(1,data+2));
+                       for (uint8_t i = 0; i<8; i++){
+                               PrintAndLog(" %02u/%02u:%slocked", blk1, blk1+1, (data[2] & (1 << i)) ? " " : " not " );
+                               blk1+=2;
+                       }
+                       break;
+               default:
+                       return rawClose();
+       }
+       return 1;
+}

 
 

-    char *crc;
-    if(len > 2) {
-      uint8_t b1, b2;
-      ComputeCrc14443(CRC_14443_B, frame, len-2, &b1, &b2);
-      if(b1 != frame[len-2] || b2 != frame[len-1]) {
-        crc = "**FAIL CRC**";
-      } else {
-        crc = "";
-      }
-    } else {
-      crc = "(SHORT)";
-    }
+// print UID info from SRx chips (ST Microelectronics)
+static void print_st_general_info(uint8_t *data){
+       //uid = first 8 bytes in data
+       PrintAndLog(" UID: %s", sprint_hex(SwapEndian64(data,8,8),8));
+       PrintAndLog(" MFG: %02X, %s", data[6], getTagInfo(data[6]));
+       PrintAndLog("Chip: %02X, %s", data[5]>>2, get_ST_Chip_Model(data[5]>>2));
+       return;
+}

 
 

-    char metricString[100];
-    if(isResponse) {
-      sprintf(metricString, "%3d", metric);
-    } else {
-      strcpy(metricString, "   ");
-    }
+// 14b get and print UID only (general info)
+int HF14BStdReader(uint8_t *data, uint8_t *datalen){
+       //05 00 00 = find one tag in field
+       //1d xx xx xx xx 00 08 01 00 = attrib xx=UID (resp 10 [f9 e0])
+       //a3 = ?  (resp 03 [e2 c2])
+       //02 = ?  (resp 02 [6a d3])
+       // 022b (resp 02 67 00 [29  5b])
+       // 0200a40400 (resp 02 67 00 [29 5b])
+       // 0200a4040c07a0000002480300 (resp 02 67 00 [29 5b])
+       // 0200a4040c07a0000002480200 (resp 02 67 00 [29 5b])
+       // 0200a4040006a0000000010100 (resp 02 6a 82 [4b 4c])
+       // 0200a4040c09d27600002545500200 (resp 02 67 00 [29 5b])
+       // 0200a404000cd2760001354b414e4d30310000 (resp 02 6a 82 [4b 4c])
+       // 0200a404000ca000000063504b43532d313500 (resp 02 6a 82 [4b 4c])
+       // 0200a4040010a000000018300301000000000000000000 (resp 02 6a 82 [4b 4c])
+       //03 = ?  (resp 03 [e3 c2])
+       //c2 = ?  (resp c2 [66 15])
+       //b2 = ?  (resp a3 [e9 67])             
+       //a2 = ?  (resp 02 [6a d3])
+       bool crc = true;
+       *datalen = 3;
+       //std read cmd
+       data[0] = 0x05;
+       data[1] = 0x00;
+       data[2] = 0x08;
+
+       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();
+
+       if (data[0] != 0x50 || *datalen != 14 || !crc) return rawClose();
+
+       PrintAndLog ("\n14443-3b tag found:");
+       PrintAndLog ("           UID: %s", sprint_hex(data+1,4));
+
+       uint8_t cmd2[16];
+       uint8_t cmdLen = 3;
+       bool crc2 = true;
+
+       cmd2[0] = 0x1D; 
+       // UID from data[1 - 4]
+       cmd2[1] = data[1];
+       cmd2[2] = data[2];
+       cmd2[3] = data[3];
+       cmd2[4] = data[4];
+       cmd2[5] = 0x00;
+       cmd2[6] = 0x08;
+       cmd2[7] = 0x01;
+       cmd2[8] = 0x00;
+       cmdLen = 9;
+
+       // attrib
+       if (HF14BCmdRaw(true, &crc2, true, cmd2, &cmdLen, false)==0) return rawClose();
+
+       if (cmdLen != 3 || !crc2) return rawClose();
+       // add attrib responce to data
+       data[14] = cmd2[0];
+       rawClose();
+       return 1;
+}
+
+// 14b get and print Full Info (as much as we know)
+int HF14BStdInfo(uint8_t *data, uint8_t *datalen){
+       if (!HF14BStdReader(data,datalen)) return 0;

 
 

-    PrintAndLog(" +%7d: %s: %s %s %s",
-      (prev < 0 ? 0 : timestamp - prev),
-      metricString,
-      (isResponse ? "TAG" : "   "), line, crc);
+       //add more info here
+       print_atqb_resp(data);

 
 

-    prev = timestamp;
-    i += (len + 9);
-  }
-  return 0;
+
+       return 1;

 }
 
 }
 

-int CmdHF14BRead(const char *Cmd)
-{
-  UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_14443, {strtol(Cmd, NULL, 0), 0, 0}};
-  SendCommand(&c);
-  return 0;
+// SRx get and print general info about SRx chip from UID
+int HF14B_ST_Reader(uint8_t *data, uint8_t *datalen, bool closeCon){
+       bool crc = true;
+       *datalen = 2;
+       //wake cmd
+       data[0] = 0x06;
+       data[1] = 0x00;
+
+       //leave power on
+       // verbose on for now for testing - turn off when functional
+       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();
+
+       if (*datalen != 3 || !crc) return rawClose();
+
+       uint8_t chipID = data[0];
+       // select
+       data[0] = 0x0E;
+       data[1] = chipID;
+       *datalen = 2;
+
+       //leave power on
+       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();
+
+       if (*datalen != 3 || !crc || data[0] != chipID) return rawClose();
+
+       // get uid
+       data[0] = 0x0B;
+       *datalen = 1;
+
+       //leave power on
+       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)==0) return rawClose();
+
+       if (*datalen != 10 || !crc) return rawClose();
+
+       //power off ?
+       if (closeCon) rawClose();
+
+       PrintAndLog("\n14443-3b ST tag found:");
+       print_st_general_info(data);
+       return 1;

 }
 
 }
 

-int CmdHF14Sim(const char *Cmd)
-{
-  UsbCommand c={CMD_SIMULATE_TAG_ISO_14443};
-  SendCommand(&c);
-  return 0;
+// SRx get and print full info (needs more info...)
+int HF14B_ST_Info(uint8_t *data, uint8_t *datalen){
+       if (!HF14B_ST_Reader(data, datalen, false)) return 0;
+       
+       //add locking bit information here.
+       if (print_ST_Lock_info(data[5]>>2)) 
+               rawClose();
+
+       return 1;

 }
 
 }
 

-int CmdHFSimlisten(const char *Cmd)
-{
-  UsbCommand c = {CMD_SIMULATE_TAG_HF_LISTEN};
-  SendCommand(&c);
-  return 0;
+// test for other 14b type tags (mimic another reader - don't have tags to identify)
+int HF14B_Other_Reader(uint8_t *data, uint8_t *datalen){
+       bool crc = true;
+       *datalen = 4;
+       //std read cmd
+       data[0] = 0x00;
+       data[1] = 0x0b;
+       data[2] = 0x3f;
+       data[3] = 0x80;
+
+       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)!=0) {
+               if (*datalen > 2 || !crc) {
+                       PrintAndLog ("\n14443-3b tag found:");
+                       PrintAndLog ("Unknown tag type answered to a 0x000b3f80 command ans:");
+                       PrintAndLog ("%s",sprint_hex(data,*datalen));
+                       rawClose();
+                       return 1;
+               }
+       }
+
+       crc = false;
+       *datalen = 1;
+       data[0] = 0x0a;
+
+       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)!=0) {
+               if (*datalen > 0) {
+                       PrintAndLog ("\n14443-3b tag found:");
+                       PrintAndLog ("Unknown tag type answered to a 0x0A command ans:");
+                       PrintAndLog ("%s",sprint_hex(data,*datalen));
+                       rawClose();
+                       return 1;
+               }
+       }
+       
+       crc = false;
+       *datalen = 1;
+       data[0] = 0x0c;
+
+       if (HF14BCmdRaw(true, &crc, true, data, datalen, false)!=0) {
+               if (*datalen > 0) {
+                       PrintAndLog ("\n14443-3b tag found:");
+                       PrintAndLog ("Unknown tag type answered to a 0x0C command ans:");
+                       PrintAndLog ("%s",sprint_hex(data,*datalen));
+                       rawClose();
+                       return 1;
+               }
+       }
+       rawClose();
+       return 0;

 }
 
 }
 

-int CmdHF14BSnoop(const char *Cmd)
-{
-  UsbCommand c = {CMD_SNOOP_ISO_14443};
-  SendCommand(&c);
-  return 0;
+// get and print all info known about any known 14b tag
+int HF14BInfo(bool verbose){
+       uint8_t data[USB_CMD_DATA_SIZE];
+       uint8_t datalen = 5;
+
+       // try std 14b (atqb)
+       if (HF14BStdInfo(data, &datalen)) return 1;
+
+       // try st 14b
+       if (HF14B_ST_Info(data, &datalen)) return 1;
+
+       // try unknown 14b read commands (to be identified later)
+       //   could be read of calypso, CEPAS, moneo, or pico pass.
+       if (HF14B_Other_Reader(data, &datalen)) return 1;
+
+       if (verbose) PrintAndLog("no 14443B tag found");
+       return 0;

 }
 
 }
 

-/* New command to read the contents of a SRI512 tag
- * SRI512 tags are ISO14443-B modulated memory tags,
- * this command just dumps the contents of the memory
- */
-int CmdSri512Read(const char *Cmd)
-{
-  UsbCommand c = {CMD_READ_SRI512_TAG, {strtol(Cmd, NULL, 0), 0, 0}};
-  SendCommand(&c);
-  return 0;
+// menu command to get and print all info known about any known 14b tag
+int CmdHF14Binfo(const char *Cmd){
+       return HF14BInfo(true);

 }
 
 }
 

-/* New command to read the contents of a SRIX4K tag
- * SRIX4K tags are ISO14443-B modulated memory tags,
- * this command just dumps the contents of the memory/
+// get and print general info about all known 14b chips
+int HF14BReader(bool verbose){
+       uint8_t data[USB_CMD_DATA_SIZE];
+       uint8_t datalen = 5;
+       
+       // try std 14b (atqb)
+       if (HF14BStdReader(data, &datalen)) return 1;
+
+       // try st 14b
+       if (HF14B_ST_Reader(data, &datalen, true)) return 1;
+
+       // try unknown 14b read commands (to be identified later)
+       //   could be read of calypso, CEPAS, moneo, or pico pass.
+       if (HF14B_Other_Reader(data, &datalen)) return 1;
+
+       if (verbose) PrintAndLog("no 14443B tag found");
+       return 0;
+}
+
+// menu command to get and print general info about all known 14b chips
+int CmdHF14BReader(const char *Cmd){
+       return HF14BReader(true);
+}
+
+int CmdSriWrite( const char *Cmd){
+/*
+ * For SRIX4K  blocks 00 - 7F
+ * hf 14b raw -c -p 09 $srix4kwblock $srix4kwdata
+ *
+ * For SR512  blocks 00 - 0F
+ * hf 14b raw -c -p 09 $sr512wblock $sr512wdata
+ * 
+ * Special block FF =  otp_lock_reg block.
+ * Data len 4 bytes-

  */
  */

-int CmdSrix4kRead(const char *Cmd)
-{
-  UsbCommand c = {CMD_READ_SRIX4K_TAG, {strtol(Cmd, NULL, 0), 0, 0}};
-  SendCommand(&c);
-  return 0;
+       char cmdp = param_getchar(Cmd, 0);
+       uint8_t blockno = -1;
+       uint8_t data[4] = {0x00};
+       bool isSrix4k = true;
+       char str[20];   
+
+       if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  hf 14b write <1|2> <BLOCK> <DATA>");
+               PrintAndLog("    [1 = SRIX4K]");
+               PrintAndLog("    [2 = SRI512]");
+               PrintAndLog("    [BLOCK number depends on tag, special block == FF]");
+               PrintAndLog("     sample: hf 14b write 1 7F 11223344");
+               PrintAndLog("           : hf 14b write 1 FF 11223344");
+               PrintAndLog("           : hf 14b write 2 15 11223344");
+               PrintAndLog("           : hf 14b write 2 FF 11223344");
+               return 0;
+       }
+
+       if ( cmdp == '2' )
+               isSrix4k = false;
+       
+       //blockno = param_get8(Cmd, 1);
+       
+       if ( param_gethex(Cmd,1, &blockno, 2) ) {
+               PrintAndLog("Block number must include 2 HEX symbols");
+               return 0;
+       }
+       
+       if ( isSrix4k ){
+               if ( blockno > 0x7f && blockno != 0xff ){
+                       PrintAndLog("Block number out of range");
+                       return 0;
+               }               
+       } else {
+               if ( blockno > 0x0f && blockno != 0xff ){
+                       PrintAndLog("Block number out of range");
+                       return 0;
+               }               
+       }
+       
+       if (param_gethex(Cmd, 2, data, 8)) {
+               PrintAndLog("Data must include 8 HEX symbols");
+               return 0;
+       }
+ 
+       if ( blockno == 0xff)
+               PrintAndLog("[%s] Write special block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512" , blockno,  sprint_hex(data,4) );
+       else
+               PrintAndLog("[%s] Write block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512", blockno,  sprint_hex(data,4) );
+ 
+       sprintf(str, "-c 09 %02x %02x%02x%02x%02x", blockno, data[0], data[1], data[2], data[3]);
+
+       CmdHF14BCmdRaw(str);
+       return 0;

 }
 
 static command_t CommandTable[] = 
 {
 }
 
 static command_t CommandTable[] = 
 {

-  {"help",        CmdHelp,        1, "This help"},
-  {"demod",       CmdHF14BDemod,  1, "Demodulate ISO14443 Type B from tag"},
-  {"list",        CmdHF14BList,   0, "List ISO 14443 history"},
-  {"read",        CmdHF14BRead,   0, "Read HF tag (ISO 14443)"},
-  {"sim",         CmdHF14Sim,     0, "Fake ISO 14443 tag"},
-  {"simlisten",   CmdHFSimlisten, 0, "Get HF samples as fake tag"},
-  {"snoop",       CmdHF14BSnoop,  0, "Eavesdrop ISO 14443"},
-  {"sri512read",  CmdSri512Read,  0, "<int> -- Read contents of a SRI512 tag"},
-  {"srix4kread",  CmdSrix4kRead,  0, "<int> -- Read contents of a SRIX4K tag"},
-  {NULL, NULL, 0, NULL}
+       {"help",        CmdHelp,        1, "This help"},
+       {"info",        CmdHF14Binfo,   0, "Find and print details about a 14443B tag"},
+       {"list",        CmdHF14BList,   0, "[Deprecated] List ISO 14443B history"},
+       {"reader",      CmdHF14BReader, 0, "Act as a 14443B reader to identify a tag"},
+       {"sim",         CmdHF14BSim,    0, "Fake ISO 14443B tag"},
+       {"snoop",       CmdHF14BSnoop,  0, "Eavesdrop ISO 14443B"},
+       {"sri512read",  CmdSri512Read,  0, "Read contents of a SRI512 tag"},
+       {"srix4kread",  CmdSrix4kRead,  0, "Read contents of a SRIX4K tag"},
+       {"sriwrite",    CmdSriWrite,    0, "Write data to a SRI512 | SRIX4K tag"},
+       {"raw",         CmdHF14BCmdRaw, 0, "Send raw hex data to tag"},
+       {NULL, NULL, 0, NULL}

 };
 
 int CmdHF14B(const char *Cmd)
 {
 };
 
 int CmdHF14B(const char *Cmd)
 {

-  CmdsParse(CommandTable, Cmd);
-  return 0;
+       CmdsParse(CommandTable, Cmd);
+       return 0;

 }
 
 int CmdHelp(const char *Cmd)
 {
 }
 
 int CmdHelp(const char *Cmd)
 {

-  CmdsHelp(CommandTable);
-  return 0;
+       CmdsHelp(CommandTable);
+       return 0;

 }
 }