]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf.c
Merge remote-tracking branch 'upstream/master'
[proxmark3-svn] / client / cmdhf.c
index 36a9eca504e78ccdc915693eb462b3d73b5c59f0..22063bbbe566e22e139524ad98ba2cc817c9b641 100644 (file)
@@ -1,5 +1,16 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// High frequency commands
+//-----------------------------------------------------------------------------
+
 #include <stdio.h>
-#include "proxusb.h"
+#include <string.h>
+#include "proxmark3.h"
 #include "graph.h"
 #include "ui.h"
 #include "cmdparser.h"
@@ -7,7 +18,12 @@
 #include "cmdhf14a.h"
 #include "cmdhf14b.h"
 #include "cmdhf15.h"
+#include "cmdhfepa.h"
 #include "cmdhflegic.h"
+#include "cmdhficlass.h"
+#include "cmdhfmf.h"
+#include "cmdhfmfu.h"
+#include "protocols.h"
 
 static int CmdHelp(const char *Cmd);
 
@@ -18,15 +34,490 @@ int CmdHFTune(const char *Cmd)
   return 0;
 }
 
+
+void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+       switch(cmd[0])
+       {
+       case ISO14443A_CMD_WUPA:        snprintf(exp,size,"WUPA"); break;
+       case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
+               // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
+               // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
+               if(cmd[1] == 0x70)
+               {
+                       snprintf(exp,size,"SELECT_UID"); break;
+               }else
+               {
+                       snprintf(exp,size,"ANTICOLL"); break;
+               }
+       }
+       case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
+               //95 20 = Anticollision of cascade level2
+               //95 70 = Select of cascade level2
+               if(cmd[2] == 0x70)
+               {
+                       snprintf(exp,size,"SELECT_UID-2"); break;
+               }else
+               {
+                       snprintf(exp,size,"ANTICOLL-2"); break;
+               }
+       }
+       case ISO14443A_CMD_REQA:                snprintf(exp,size,"REQA"); break;
+       case ISO14443A_CMD_READBLOCK:   snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
+       case ISO14443A_CMD_WRITEBLOCK:  snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
+       case ISO14443A_CMD_HALT:                snprintf(exp,size,"HALT"); break;
+       case ISO14443A_CMD_RATS:                snprintf(exp,size,"RATS"); break;
+       case MIFARE_CMD_INC:                    snprintf(exp,size,"INC(%d)",cmd[1]); break;
+       case MIFARE_CMD_DEC:                    snprintf(exp,size,"DEC(%d)",cmd[1]); break;
+       case MIFARE_CMD_RESTORE:                snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
+       case MIFARE_CMD_TRANSFER:               snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
+       case MIFARE_AUTH_KEYA:                  snprintf(exp,size,"AUTH-A(%d)",cmd[1]); break;
+       case MIFARE_AUTH_KEYB:                  snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
+       case MIFARE_MAGICWUPC1:                 snprintf(exp,size,"MAGIC WUPC1"); break;
+       case MIFARE_MAGICWUPC2:                 snprintf(exp,size,"MAGIC WUPC2"); break;
+       case MIFARE_MAGICWIPEC:                 snprintf(exp,size,"MAGIC WIPEC"); break;
+       default:                                                snprintf(exp,size,"?"); break;
+       }
+       return;
+}
+
+void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+       switch(cmd[0])
+       {
+       case ICLASS_CMD_ACTALL:      snprintf(exp,size,"ACTALL"); break;
+       case ICLASS_CMD_READ_OR_IDENTIFY:{
+               if(cmdsize > 1){
+                       snprintf(exp,size,"READ(%d)",cmd[1]);
+               }else{
+                       snprintf(exp,size,"IDENTIFY");
+               }
+               break;
+       }
+       case ICLASS_CMD_SELECT:      snprintf(exp,size,"SELECT"); break;
+       case ICLASS_CMD_PAGESEL:     snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
+       case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
+       case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
+       case ICLASS_CMD_CHECK:       snprintf(exp,size,"CHECK"); break;
+       case ICLASS_CMD_DETECT:      snprintf(exp,size,"DETECT"); break;
+       case ICLASS_CMD_HALT:        snprintf(exp,size,"HALT"); break;
+       case ICLASS_CMD_UPDATE:      snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
+       case ICLASS_CMD_ACT:         snprintf(exp,size,"ACT"); break;
+       case ICLASS_CMD_READ4:       snprintf(exp,size,"READ4(%d)",cmd[1]); break;
+       default:                     snprintf(exp,size,"?"); break;
+       }
+       return;
+}
+
+void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+
+       if(cmd[0] == 0x26)
+       {
+               switch(cmd[1]){
+               case ISO15693_INVENTORY           :snprintf(exp, size, "INVENTORY");break;
+               case ISO15693_STAYQUIET           :snprintf(exp, size, "STAY_QUIET");break;
+               default:                     snprintf(exp,size,"?"); break;
+
+               }
+       }else if(cmd[0] == 0x02)
+       {
+               switch(cmd[1])
+               {
+               case ISO15693_READBLOCK            :snprintf(exp, size, "READBLOCK");break;
+               case ISO15693_WRITEBLOCK           :snprintf(exp, size, "WRITEBLOCK");break;
+               case ISO15693_LOCKBLOCK            :snprintf(exp, size, "LOCKBLOCK");break;
+               case ISO15693_READ_MULTI_BLOCK     :snprintf(exp, size, "READ_MULTI_BLOCK");break;
+               case ISO15693_SELECT               :snprintf(exp, size, "SELECT");break;
+               case ISO15693_RESET_TO_READY       :snprintf(exp, size, "RESET_TO_READY");break;
+               case ISO15693_WRITE_AFI            :snprintf(exp, size, "WRITE_AFI");break;
+               case ISO15693_LOCK_AFI             :snprintf(exp, size, "LOCK_AFI");break;
+               case ISO15693_WRITE_DSFID          :snprintf(exp, size, "WRITE_DSFID");break;
+               case ISO15693_LOCK_DSFID           :snprintf(exp, size, "LOCK_DSFID");break;
+               case ISO15693_GET_SYSTEM_INFO      :snprintf(exp, size, "GET_SYSTEM_INFO");break;
+               case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");break;
+               default:                            snprintf(exp,size,"?"); break;
+               }
+       }
+}
+
+/**
+06 00 = INITIATE
+0E xx = SELECT ID (xx = Chip-ID)
+0B = Get UID
+08 yy = Read Block (yy = block number)
+09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
+0C = Reset to Inventory
+0F = Completion
+0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
+**/
+
+void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+       switch(cmd[0]){
+       case ISO14443B_REQB   : snprintf(exp,size,"REQB");break;
+       case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
+       case ISO14443B_HALT   : snprintf(exp,size,"HALT");break;
+       case ISO14443B_INITIATE     : snprintf(exp,size,"INITIATE");break;
+       case ISO14443B_SELECT       : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
+       case ISO14443B_GET_UID      : snprintf(exp,size,"GET UID");break;
+       case ISO14443B_READ_BLK     : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
+       case ISO14443B_WRITE_BLK    : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
+       case ISO14443B_RESET        : snprintf(exp,size,"RESET");break;
+       case ISO14443B_COMPLETION   : snprintf(exp,size,"COMPLETION");break;
+       case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
+       default                     : snprintf(exp,size ,"?");break;
+       }
+
+}
+
+/**
+ * @brief iso14443B_CRC_Ok Checks CRC in command or response
+ * @param isResponse
+ * @param data
+ * @param len
+ * @return  0 : CRC-command, CRC not ok
+ *          1 : CRC-command, CRC ok
+ *          2 : Not crc-command
+ */
+
+uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+       uint8_t b1,b2;
+
+       if(len <= 2) return 2;
+
+       ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
+       if(b1 != data[len-2] || b2 != data[len-1]) {
+         return 0;
+       }
+       return 1;
+}
+
+/**
+ * @brief iclass_CRC_Ok Checks CRC in command or response
+ * @param isResponse
+ * @param data
+ * @param len
+ * @return  0 : CRC-command, CRC not ok
+ *             1 : CRC-command, CRC ok
+ *          2 : Not crc-command
+ */
+uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+       if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
+
+       uint8_t b1, b2;
+
+       if(!isResponse)//Commands to tag
+       {
+               /**
+                 These commands should have CRC. Total length leftmost
+                 4     READ
+                 4 READ4
+                 12 UPDATE - unsecured, ends with CRC16
+                 14 UPDATE - secured, ends with signature instead
+                 4 PAGESEL
+                 **/
+               if(len == 4 || len == 12)//Covers three of them
+               {
+                       //Don't include the command byte
+                       ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
+                       return b1 == data[len -2] && b2 == data[len-1];
+               }
+               return 2;
+       }else{
+               /**
+               These tag responses should have CRC. Total length leftmost
+
+               10  READ                data[8] crc[2]
+               34  READ4               data[32]crc[2]
+               10  UPDATE      data[8] crc[2]
+               10 SELECT       csn[8] crc[2]
+               10  IDENTIFY  asnb[8] crc[2]
+               10  PAGESEL   block1[8] crc[2]
+               10  DETECT    csn[8] crc[2]
+
+               These should not
+
+               4  CHECK                chip_response[4]
+               8  READCHECK data[8]
+               1  ACTALL    sof[1]
+               1  ACT       sof[1]
+
+               In conclusion, without looking at the command; any response
+               of length 10 or 34 should have CRC
+                 **/
+               if(len != 10 && len != 34) return true;
+
+               ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
+               return b1 == data[len -2] && b2 == data[len-1];
+       }
+}
+
+uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles)
+{
+       bool isResponse;
+       uint16_t duration, data_len, parity_len;
+
+       uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
+       char explanation[30] = {0};
+
+       if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
+       
+       first_timestamp = *((uint32_t *)(trace));
+       timestamp = *((uint32_t *)(trace + tracepos));
+
+       tracepos += 4;
+       duration = *((uint16_t *)(trace + tracepos));
+       tracepos += 2;
+       data_len = *((uint16_t *)(trace + tracepos));
+       tracepos += 2;
+
+       if (data_len & 0x8000) {
+         data_len &= 0x7fff;
+         isResponse = true;
+       } else {
+         isResponse = false;
+       }
+       parity_len = (data_len-1)/8 + 1;
+
+       if (tracepos + data_len + parity_len > traceLen) {
+               return traceLen;
+       }
+       uint8_t *frame = trace + tracepos;
+       tracepos += data_len;
+       uint8_t *parityBytes = trace + tracepos;
+       tracepos += parity_len;
+
+       //Check the CRC status
+       uint8_t crcStatus = 2;
+
+       if (data_len > 2) {
+               uint8_t b1, b2;
+               if(protocol == ICLASS)
+               {
+                       crcStatus = iclass_CRC_check(isResponse, frame, data_len);
+
+               }else if (protocol == ISO_14443B)
+               {
+                       crcStatus = iso14443B_CRC_check(isResponse, frame, data_len);
+               }
+               else if (protocol == ISO_14443A){//Iso 14443a
+
+                       ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
+
+                       if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
+                               if(!(isResponse & (data_len < 6)))
+                               {
+                                               crcStatus = 0;
+                               }
+                       }
+               }
+       }
+       //0 CRC-command, CRC not ok
+       //1 CRC-command, CRC ok
+       //2 Not crc-command
+
+       //--- Draw the data column
+       //char line[16][110];
+       char line[16][110];
+
+       for (int j = 0; j < data_len && j/16 < 16; j++) {
+
+               int oddparity = 0x01;
+               int k;
+
+               for (k=0 ; k<8 ; k++) {
+                       oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
+               }
+               uint8_t parityBits = parityBytes[j>>3];
+               if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
+                       snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
+
+               } else {
+                       snprintf(line[j/16]+(( j % 16) * 4),110, "%02x  ", frame[j]);
+               }
+
+       }
+       if(crcStatus == 1)
+       {//CRC-command
+               char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4)-1;
+               (*pos1) = '[';
+               char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4)-2;
+               (*pos2) = ']';
+       }
+       if(data_len == 0)
+       {
+               if(data_len == 0){
+                       sprintf(line[0],"<empty trace - possible error>");
+               }
+       }
+       //--- Draw the CRC column
+
+       char *crc = (crcStatus == 0 ? "!crc" : (crcStatus == 1 ? " ok " : "    "));
+
+       EndOfTransmissionTimestamp = timestamp + duration;
+
+       if(!isResponse)
+       {
+               if(protocol == ICLASS)
+                       annotateIclass(explanation,sizeof(explanation),frame,data_len);
+               else if (protocol == ISO_14443A)
+                       annotateIso14443a(explanation,sizeof(explanation),frame,data_len);
+               else if(protocol == ISO_14443B)
+                       annotateIso14443b(explanation,sizeof(explanation),frame,data_len);
+       }
+
+       int num_lines = MIN((data_len - 1)/16 + 1, 16);
+       for (int j = 0; j < num_lines ; j++) {
+               if (j == 0) {
+                       PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
+                               (timestamp - first_timestamp),
+                               (EndOfTransmissionTimestamp - first_timestamp),
+                               (isResponse ? "Tag" : "Rdr"),
+                               line[j],
+                               (j == num_lines-1) ? crc : "    ",
+                               (j == num_lines-1) ? explanation : "");
+               } else {
+                       PrintAndLog("           |           |     | %-64s| %s| %s",
+                               line[j],
+                               (j == num_lines-1)?crc:"    ",
+                               (j == num_lines-1) ? explanation : "");
+               }
+       }
+
+       if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
+       
+       bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
+
+       if (showWaitCycles && !isResponse && next_isResponse) {
+               uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
+               if (next_timestamp != 0x44444444) {
+                       PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
+                               (EndOfTransmissionTimestamp - first_timestamp),
+                               (next_timestamp - first_timestamp),
+                               "   ",
+                               (next_timestamp - EndOfTransmissionTimestamp));
+               }
+       }
+
+       return tracepos;
+}
+
+
+int CmdHFList(const char *Cmd)
+{
+       bool showWaitCycles = false;
+       char type[40] = {0};
+       int tlen = param_getstr(Cmd,0,type);
+       char param = param_getchar(Cmd, 1);
+       bool errors = false;
+       uint8_t protocol = 0;
+       //Validate params
+       if(tlen == 0)
+       {
+               errors = true;
+       }
+       if(param == 'h' || (param !=0 && param != 'f'))
+       {
+               errors = true;
+       }
+       if(!errors)
+       {
+               if(strcmp(type, "iclass") == 0)
+               {
+                       protocol = ICLASS;
+               }else if(strcmp(type, "14a") == 0)
+               {
+                       protocol = ISO_14443A;
+               }
+               else if(strcmp(type, "14b") == 0)
+               {
+                       protocol = ISO_14443B;
+               }else if(strcmp(type,"raw")== 0)
+               {
+                       protocol = -1;//No crc, no annotations
+               }else{
+                       errors = true;
+               }
+       }
+
+       if (errors) {
+               PrintAndLog("List protocol data in trace buffer.");
+               PrintAndLog("Usage:  hf list <protocol> [f]");
+               PrintAndLog("    f      - show frame delay times as well");
+               PrintAndLog("Supported <protocol> values:");
+               PrintAndLog("    raw    - just show raw data without annotations");
+               PrintAndLog("    14a    - interpret data as iso14443a communications");
+               PrintAndLog("    14b    - interpret data as iso14443b communications");
+               PrintAndLog("    iclass - interpret data as iclass communications");
+               PrintAndLog("");
+               PrintAndLog("example: hf list 14a f");
+               PrintAndLog("example: hf list iclass");
+               return 0;
+       }
+
+
+       if (param == 'f') {
+               showWaitCycles = true;
+       }
+
+
+       uint8_t *trace;
+       uint16_t tracepos = 0;
+       trace = malloc(USB_CMD_DATA_SIZE);
+
+       // Query for the size of the trace
+       UsbCommand response;
+       GetFromBigBuf(trace, USB_CMD_DATA_SIZE, 0);
+       WaitForResponse(CMD_ACK, &response);
+       uint16_t traceLen = response.arg[2];
+       if (traceLen > USB_CMD_DATA_SIZE) {
+               uint8_t *p = realloc(trace, traceLen);
+               if (p == NULL) {
+                       PrintAndLog("Cannot allocate memory for trace");
+                       free(trace);
+                       return 2;
+               }
+               trace = p;
+               GetFromBigBuf(trace, traceLen, 0);
+               WaitForResponse(CMD_ACK, NULL);
+       }
+       
+       PrintAndLog("Recorded Activity (TraceLen = %d bytes)", traceLen);
+       PrintAndLog("");
+       PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
+       PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
+       PrintAndLog("iClass    - Timings are not as accurate");
+       PrintAndLog("");
+       PrintAndLog("     Start |       End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
+       PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
+
+       while(tracepos < traceLen)
+       {
+               tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles);
+       }
+
+       free(trace);
+       return 0;
+}
+
+
 static command_t CommandTable[] = 
 {
   {"help",        CmdHelp,          1, "This help"},
   {"14a",         CmdHF14A,         1, "{ ISO14443A RFIDs... }"},
   {"14b",         CmdHF14B,         1, "{ ISO14443B RFIDs... }"},
   {"15",          CmdHF15,          1, "{ ISO15693 RFIDs... }"},
-  {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
+  {"epa",         CmdHFEPA,         1, "{ German Identification Card... }"},
   {"legic",       CmdHFLegic,       0, "{ LEGIC RFIDs... }"},
-  {NULL, NULL, 0, NULL}
+  {"iclass",      CmdHFiClass,      1, "{ ICLASS RFIDs... }"},
+  {"mf",               CmdHFMF,                1, "{ MIFARE RFIDs... }"},
+  {"mfu",                      CmdHFMFUltra,           1, "{ MIFARE Ultralight RFIDs... }"},
+  {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
+  {"list",       CmdHFList,         1, "List protocol data in trace buffer"},
+       {NULL, NULL, 0, NULL}
 };
 
 int CmdHF(const char *Cmd)
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