]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdlfhitag.c
Update lfops.c
[proxmark3-svn] / client / cmdlfhitag.c
index 703767b05532f1ec1728ced389db9b6664d23132..cd23f88cdfeac4ad89ad8ba71f703e2374d23e2e 100644 (file)
 // Low frequency Hitag support
 //-----------------------------------------------------------------------------
 
+#include "cmdlfhitag.h"
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include "data.h"
-#include "proxusb.h"
+#include "comms.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "common.h"
 #include "util.h"
-#include "hitag2.h"
+#include "parity.h"
+#include "hitag.h"
+#include "cmdmain.h"
 
 static int CmdHelp(const char *Cmd);
 
+size_t nbytes(size_t nbits) {
+       return (nbits/8)+((nbits%8)>0);
+}
+
 int CmdLFHitagList(const char *Cmd)
 {
-  uint8_t got[3000];
-  GetFromBigBuf(got,sizeof(got),0);
-
-  PrintAndLog("recorded activity:");
-  PrintAndLog(" ETU     :rssi: who bytes");
-  PrintAndLog("---------+----+----+-----------");
-
-  int i = 0;
-  int prev = -1;
-
-  for (;;) {
-    if(i >= 1900) {
-      break;
-    }
-
-    bool isResponse;
-    int timestamp = *((uint32_t *)(got+i));
-    if (timestamp & 0x80000000) {
-      timestamp &= 0x7fffffff;
-      isResponse = 1;
-    } else {
-      isResponse = 0;
-    }
-
-    int metric = 0;
-    int parityBits = *((uint32_t *)(got+i+4));
-    // 4 bytes of additional information...
-    // maximum of 32 additional parity bit information
-    //
-    // TODO:
-    // at each quarter bit period we can send power level (16 levels)
-    // or each half bit period in 256 levels.
-
-    int len = got[i+8];
-
-    if (len > 100) {
-      break;
-    }
-    if (i + len >= 1900) {
-      break;
-    }
-
-    uint8_t *frame = (got+i+9);
-
-    // Break and stick with current result if buffer was not completely full
-    if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
-
-    char line[1000] = "";
-    int j;
-    for (j = 0; j < len; j++) {
-      int oddparity = 0x01;
-      int k;
-
-      for (k=0;k<8;k++) {
-        oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
-      }
-
-      //if((parityBits >> (len - j - 1)) & 0x01) {
-      if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
-        sprintf(line+(j*4), "%02x!  ", frame[j]);
-      }
-      else {
-        sprintf(line+(j*4), "%02x   ", frame[j]);
-      }
-    }
-
-    char metricString[100];
-    if (isResponse) {
-      sprintf(metricString, "%3d", metric);
-    } else {
-      strcpy(metricString, "   ");
-    }
-
-    PrintAndLog(" +%7d: %s: %s %s",
-      (prev < 0 ? 0 : (timestamp - prev)),
-      metricString,
-      (isResponse ? "TAG" : "   "),
-      line);
-
-    prev = timestamp;
-    i += (len + 9);
-  }
+       uint8_t *got = malloc(USB_CMD_DATA_SIZE);
+       // Query for the actual size of the trace
+       UsbCommand response;
+       GetFromBigBuf(got, USB_CMD_DATA_SIZE, 0, &response, -1, false);
+       uint16_t traceLen = response.arg[2];
+       if (traceLen > USB_CMD_DATA_SIZE) {
+               uint8_t *p = realloc(got, traceLen);
+               if (p == NULL) {
+                       PrintAndLog("Cannot allocate memory for trace");
+                       free(got);
+                       return 2;
+               }
+               got = p;
+               GetFromBigBuf(got, traceLen, 0, NULL, -1, false);
+       }
+       
+       PrintAndLog("recorded activity (TraceLen = %d bytes):");
+       PrintAndLog(" ETU     :nbits: who bytes");
+       PrintAndLog("---------+-----+----+-----------");
+
+       int j;
+       int i = 0;
+       int prev = -1;
+       int len = strlen(Cmd);
+
+       char filename[FILE_PATH_SIZE]  = { 0x00 };
+       FILE* pf = NULL;
+       
+       if (len > FILE_PATH_SIZE) 
+               len = FILE_PATH_SIZE;
+       memcpy(filename, Cmd, len);
+   
+       if (strlen(filename) > 0) {
+               if ((pf = fopen(filename,"wb")) == NULL) {
+                       PrintAndLog("Error: Could not open file [%s]",filename);
+                       free(got);
+                       return 1;
+               }
+       }
+
+       for (;;) {
+  
+               if(i > traceLen) { break; }
+
+               bool isResponse;
+               int timestamp = *((uint32_t *)(got+i));
+               if (timestamp & 0x80000000) {
+                       timestamp &= 0x7fffffff;
+                       isResponse = 1;
+               } else {
+                       isResponse = 0;
+               }
+
+               int parityBits = *((uint32_t *)(got+i+4));
+               // 4 bytes of additional information...
+               // maximum of 32 additional parity bit information
+               //
+               // TODO:
+               // at each quarter bit period we can send power level (16 levels)
+               // or each half bit period in 256 levels.
+
+               int bits = got[i+8];
+               int len = nbytes(bits);
+
+               if (len > 100) {
+                 break;
+               }
+               if (i + len > traceLen) { break;}
+
+               uint8_t *frame = (got+i+9);
+/*
+               int fillupBits = 8 - (bits % 8);
+               byte_t framefilled[bits+fillupBits];
+               byte_t* ff = framefilled;
+               
+               int response_bit[200] = {0};
+               int z = 0;
+               for (int y = 0; y < len; y++) {
+                       for (j = 0; j < 8; j++) {
+                               response_bit[z] = 0;
+                               if ((frame[y] & ((mask << 7) >> j)) != 0)
+                                       response_bit[z] = 1;
+                               z++;
+                       }
+               }
+               z = 0;
+               for (int y = 0; y < len; y++) {
+                       ff[y] = (response_bit[z] << 7) | (response_bit[z + 1] << 6)
+                                       | (response_bit[z + 2] << 5) | (response_bit[z + 3] << 4)
+                                       | (response_bit[z + 4] << 3) | (response_bit[z + 5] << 2)
+                                       | (response_bit[z + 6] << 1) | response_bit[z + 7];
+                       z += 8;
+               }
+*/
+
+
+
+
+               // Break and stick with current result if buffer was not completely full
+               if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
+
+               char line[1000] = "";
+               for (j = 0; j < len; j++) {
+                 //if((parityBits >> (len - j - 1)) & 0x01) {
+                 if (isResponse && (oddparity8(frame[j]) != ((parityBits >> (len - j - 1)) & 0x01))) {
+                       sprintf(line+(j*4), "%02x!  ", frame[j]);
+                 } else {
+                       sprintf(line+(j*4), "%02x   ", frame[j]);
+                 }
+               }
+
+               PrintAndLog(" +%7d:  %3d: %s %s",
+                       (prev < 0 ? 0 : (timestamp - prev)),
+                       bits,
+                       (isResponse ? "TAG" : "   "),
+                       line);
+
+               if (pf) {
+                       fprintf(pf," +%7d:  %3d: %s %s\n",
+                               (prev < 0 ? 0 : (timestamp - prev)),
+                               bits,
+                               (isResponse ? "TAG" : "   "),
+                               line);
+               }
+               
+               prev = timestamp;
+               i += (len + 9);
+       }
+  
+       if (pf) {
+               fclose(pf);
+               PrintAndLog("Recorded activity succesfully written to file: %s", filename);
+       }
+
+       free(got);
        return 0;
 }
 
@@ -115,12 +175,14 @@ int CmdLFHitagSnoop(const char *Cmd) {
 }
 
 int CmdLFHitagSim(const char *Cmd) {
+    
   UsbCommand c = {CMD_SIMULATE_HITAG};
-       char filename[256];
+       char filename[FILE_PATH_SIZE] = { 0x00 };
        FILE* pf;
        bool tag_mem_supplied;
-
-       param_getstr(Cmd,0,filename);
+       int len = strlen(Cmd);
+       if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
+       memcpy(filename, Cmd, len);
        
        if (strlen(filename) > 0) {
                if ((pf = fopen(filename,"rb+")) == NULL) {
@@ -128,7 +190,11 @@ int CmdLFHitagSim(const char *Cmd) {
                        return 1;
                }
                tag_mem_supplied = true;
-               fread(c.d.asBytes,48,1,pf);
+               if (fread(c.d.asBytes,1,48,pf) != 48) {
+                       PrintAndLog("Error: File reading error");
+                       fclose(pf);
+                       return 1;
+               }
                fclose(pf);
        } else {
                tag_mem_supplied = false;
@@ -142,14 +208,37 @@ int CmdLFHitagSim(const char *Cmd) {
 }
 
 int CmdLFHitagReader(const char *Cmd) {
-//  UsbCommand c = {CMD_READER_HITAG};
-       
-//     param_get32ex(Cmd,1,0,16);
        UsbCommand c = {CMD_READER_HITAG};//, {param_get32ex(Cmd,0,0,10),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),param_get32ex(Cmd,3,0,16)}};
        hitag_data* htd = (hitag_data*)c.d.asBytes;
        hitag_function htf = param_get32ex(Cmd,0,0,10);
        
        switch (htf) {
+               case 01: { //RHTSF_CHALLENGE
+                       c = (UsbCommand){ CMD_READ_HITAG_S };
+                       num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->auth.NrAr);
+                       num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
+                       c.arg[1] = param_get64ex(Cmd,3,0,0); //firstpage
+                       c.arg[2] = param_get64ex(Cmd,4,0,0); //tag mode
+               } break;
+               case 02: { //RHTSF_KEY
+                       c = (UsbCommand){ CMD_READ_HITAG_S };
+                       num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
+                       c.arg[1] = param_get64ex(Cmd,2,0,0); //firstpage
+                       c.arg[2] = param_get64ex(Cmd,3,0,0); //tag mode
+               } break;
+               case 03: { //RHTSF_CHALLENGE BLOCK
+                       c = (UsbCommand){ CMD_READ_HITAG_S_BLK };
+                       num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->auth.NrAr);
+                       num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
+                       c.arg[1] = param_get64ex(Cmd,3,0,0); //firstpage
+                       c.arg[2] = param_get64ex(Cmd,4,0,0); //tag mode
+               } break;
+               case 04: { //RHTSF_KEY BLOCK
+                       c = (UsbCommand){ CMD_READ_HITAG_S_BLK };
+                       num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
+                       c.arg[1] = param_get64ex(Cmd,2,0,0); //firstpage
+                       c.arg[2] = param_get64ex(Cmd,3,0,0); //tag mode
+               } break;
                case RHT2F_PASSWORD: {
                        num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->pwd.password);
                } break;
@@ -157,18 +246,34 @@ int CmdLFHitagReader(const char *Cmd) {
                        num_to_bytes(param_get32ex(Cmd,1,0,16),4,htd->auth.NrAr);
                        num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
                } break;
+               case RHT2F_CRYPTO: {
+                       num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
+                       //                      num_to_bytes(param_get32ex(Cmd,2,0,16),4,htd->auth.NrAr+4);
+               } break;
                case RHT2F_TEST_AUTH_ATTEMPTS: {
                        // No additional parameters needed
                } break;
+               case RHT2F_UID_ONLY: {
+                       // No additional parameters needed
+               } break;
                default: {
-                       PrintAndLog("Error: unkown reader function %d",htf);
-                       PrintAndLog("Hitag reader functions",htf);
-                       PrintAndLog(" HitagS (0*)",htf);
-                       PrintAndLog(" Hitag1 (1*)",htf);
-                       PrintAndLog(" Hitag2 (2*)",htf);
-                       PrintAndLog("  21 <password> (password mode)",htf);
-                       PrintAndLog("  22 <nr> <ar> (authentication)",htf);
-                       PrintAndLog("  25 (test recorded authentications)",htf);
+                       PrintAndLog("\nError: unkown reader function %d",htf);
+                       PrintAndLog("");
+                       PrintAndLog("Usage: hitag reader <Reader Function #>");
+                       PrintAndLog("Reader Functions:");
+                       PrintAndLog(" HitagS (0*)");
+                       PrintAndLog("  01 <nr> <ar> (Challenge) <firstPage> <tagmode> read all pages from a Hitag S tag");
+                       PrintAndLog("  02 <key> (set to 0 if no authentication is needed) <firstPage> <tagmode> read all pages from a Hitag S tag");
+                       PrintAndLog("  03 <nr> <ar> (Challenge) <firstPage> <tagmode> read all blocks from a Hitag S tag");
+                       PrintAndLog("  04 <key> (set to 0 if no authentication is needed) <firstPage> <tagmode> read all blocks from a Hitag S tag");
+                       PrintAndLog("  Valid tagmodes are 0=STANDARD, 1=ADVANCED, 2=FAST_ADVANCED (default is ADVANCED)");
+                       PrintAndLog(" Hitag1 (1*)");
+                       PrintAndLog(" Hitag2 (2*)");
+                       PrintAndLog("  21 <password> (password mode)");
+                       PrintAndLog("  22 <nr> <ar> (authentication)");
+                       PrintAndLog("  23 <key> (authentication) key is in format: ISK high + ISK low");
+                       PrintAndLog("  25 (test recorded authentications)");
+                       PrintAndLog("  26 just read UID");
                        return 1;
                } break;
        }
@@ -176,28 +281,175 @@ int CmdLFHitagReader(const char *Cmd) {
        // Copy the hitag2 function into the first argument
        c.arg[0] = htf;
 
+       // Send the command to the proxmark
+       clearCommandBuffer();
+       SendCommand(&c);
+
+       UsbCommand resp;
+       WaitForResponse(CMD_ACK,&resp);
+
+       // Check the return status, stored in the first argument
+       if (resp.arg[0] == false) return 1;
+       
+       uint32_t id = bytes_to_num(resp.d.asBytes,4);
+               
+       if (htf == RHT2F_UID_ONLY){
+               PrintAndLog("Valid Hitag2 tag found - UID: %08x",id);
+       } else {
+               char filename[256];
+               FILE* pf = NULL;
+
+               sprintf(filename,"%08x_%04x.ht2",id,(rand() & 0xffff));
+               if ((pf = fopen(filename,"wb")) == NULL) {
+                 PrintAndLog("Error: Could not open file [%s]",filename);
+                 return 1;
+               }
+
+               // Write the 48 tag memory bytes to file and finalize
+               fwrite(resp.d.asBytes,1,48,pf);
+               fclose(pf);
+
+               PrintAndLog("Succesfully saved tag memory to [%s]",filename);
+       }
+
+
+       return 0;
+}
+
+
+int CmdLFHitagSimS(const char *Cmd) {
+       UsbCommand c = { CMD_SIMULATE_HITAG_S };
+       char filename[FILE_PATH_SIZE] = { 0x00 };
+       FILE* pf;
+       bool tag_mem_supplied;
+       int len = strlen(Cmd);
+       if (len > FILE_PATH_SIZE)
+               len = FILE_PATH_SIZE;
+       memcpy(filename, Cmd, len);
+
+       if (strlen(filename) > 0) {
+               if ((pf = fopen(filename, "rb+")) == NULL) {
+                       PrintAndLog("Error: Could not open file [%s]", filename);
+                       return 1;
+               }
+               tag_mem_supplied = true;
+               if (fread(c.d.asBytes, 1, 4*64, pf) != 4*64) {
+                       PrintAndLog("Error: File reading error");
+                       fclose(pf);
+                       return 1;
+               }
+               fclose(pf);
+       } else {
+               tag_mem_supplied = false;
+       }
+
+       // Does the tag comes with memory
+       c.arg[0] = (uint32_t) tag_mem_supplied;
+
+       SendCommand(&c);
+       return 0;
+}
+
+int CmdLFHitagCheckChallenges(const char *Cmd) {
+       UsbCommand c = { CMD_TEST_HITAGS_TRACES };
+       char filename[FILE_PATH_SIZE] = { 0x00 };
+       FILE* pf;
+       bool file_given;
+       int len = strlen(Cmd);
+       if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
+       memcpy(filename, Cmd, len);
+       
+       if (strlen(filename) > 0) {
+               if ((pf = fopen(filename,"rb+")) == NULL) {
+                       PrintAndLog("Error: Could not open file [%s]",filename);
+                       return 1;
+               }
+               file_given = true;
+               if (fread(c.d.asBytes,1,8*60,pf) != 8*60) {
+                       PrintAndLog("Error: File reading error");
+                       fclose(pf);
+                       return 1;
+        }
+               fclose(pf);
+       } else {
+               file_given = false;
+       }
+       
+       //file with all the challenges to try
+       c.arg[0] = (uint32_t)file_given;
+       c.arg[1] = param_get64ex(Cmd,2,0,0); //get mode
+
   SendCommand(&c);
   return 0;
 }
 
-static command_t CommandTableHitag[] = 
+
+int CmdLFHitagWP(const char *Cmd) {
+       UsbCommand c = { CMD_WR_HITAG_S };
+       hitag_data* htd = (hitag_data*)c.d.asBytes;
+       hitag_function htf = param_get32ex(Cmd,0,0,10);
+       switch (htf) {
+               case 03: { //WHTSF_CHALLENGE
+                       num_to_bytes(param_get64ex(Cmd,1,0,16),8,htd->auth.NrAr);
+                       c.arg[2]= param_get32ex(Cmd, 2, 0, 10);
+                       num_to_bytes(param_get32ex(Cmd,3,0,16),4,htd->auth.data);
+               } break;
+               case 04:
+               case 24:
+               { //WHTSF_KEY
+                       num_to_bytes(param_get64ex(Cmd,1,0,16),6,htd->crypto.key);
+                       c.arg[2]= param_get32ex(Cmd, 2, 0, 10);
+                       num_to_bytes(param_get32ex(Cmd,3,0,16),4,htd->crypto.data);
+
+               } break;
+               default: {
+                       PrintAndLog("Error: unkown writer function %d",htf);
+                       PrintAndLog("Hitag writer functions");
+                       PrintAndLog(" HitagS (0*)");
+                       PrintAndLog("  03 <nr,ar> (Challenge) <page> <byte0...byte3> write page on a Hitag S tag");
+                       PrintAndLog("  04 <key> (set to 0 if no authentication is needed) <page> <byte0...byte3> write page on a Hitag S tag");
+                       PrintAndLog(" Hitag1 (1*)");
+                       PrintAndLog(" Hitag2 (2*)");
+                       PrintAndLog("  24 <key> (set to 0 if no authentication is needed) <page> <byte0...byte3> write page on a Hitag S tag");
+                       return 1;
+               } break;
+       }
+       // Copy the hitag function into the first argument
+       c.arg[0] = htf;
+
+  // Send the command to the proxmark
+  SendCommand(&c);
+  
+  UsbCommand resp;
+  WaitForResponse(CMD_ACK,&resp);
+  
+  // Check the return status, stored in the first argument
+  if (resp.arg[0] == false) return 1;
+  return 0;
+}
+
+
+static command_t CommandTable[] = 
 {
-  {"help",    CmdHelp,           1, "This help"},
-  {"list",    CmdLFHitagList,    1, "List Hitag trace history"},
-  {"reader",  CmdLFHitagReader,  1, "Act like a Hitag Reader"},
-  {"sim",     CmdLFHitagSim,     1, "Simulate Hitag transponder"},
-  {"snoop",   CmdLFHitagSnoop,   1, "Eavesdrop Hitag communication"},
-               {NULL, NULL, 0, NULL}
+  {"help",             CmdHelp,           1, "This help"},
+  {"list",             CmdLFHitagList,    1, "<outfile> List Hitag trace history"},
+  {"reader",           CmdLFHitagReader,  1, "Act like a Hitag Reader"},
+  {"sim",              CmdLFHitagSim,     1, "<infile> Simulate Hitag transponder"},
+  {"snoop",            CmdLFHitagSnoop,   1, "Eavesdrop Hitag communication"},
+  {"writer",                   CmdLFHitagWP,      1, "Act like a Hitag Writer" },
+  {"simS",             CmdLFHitagSimS,    1, "<hitagS.hts> Simulate HitagS transponder" }, 
+  {"checkChallenges",  CmdLFHitagCheckChallenges,   1, "<challenges.cc> <tagmode> test all challenges" }, {
+                               NULL,NULL, 0, NULL }
 };
 
 int CmdLFHitag(const char *Cmd)
 {
-  CmdsParse(CommandTableHitag, Cmd);
+  CmdsParse(CommandTable, Cmd);
   return 0;
 }
 
 int CmdHelp(const char *Cmd)
 {
-  CmdsHelp(CommandTableHitag);
+  CmdsHelp(CommandTable);
   return 0;
 }
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