]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdlfhitag.c
chg: the windows exe annoys the linux compiler
[proxmark3-svn] / client / cmdlfhitag.c
index 32d38aebef926dff73284e5ea3688dbe9a651462..95d85c6e1c65f47897da3bc80a274d7073d7317e 100644 (file)
@@ -12,7 +12,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include "data.h"
-//#include "proxusb.h"
 #include "proxmark3.h"
 #include "ui.h"
 #include "cmdparser.h"
@@ -30,137 +29,172 @@ size_t nbytes(size_t nbits) {
 
 int CmdLFHitagList(const char *Cmd)
 {
-  uint8_t got[3000];
-  GetFromBigBuf(got,sizeof(got),0);
-  WaitForResponse(CMD_ACK,NULL);
-
-  PrintAndLog("recorded activity:");
-  PrintAndLog(" ETU     :nbits: 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 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(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]);
-      }
-    }
-
-    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);
-//    }
+       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);
+       WaitForResponse(CMD_ACK, &response);
+       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);
+               WaitForResponse(CMD_ACK,NULL);
+       }
        
-    prev = timestamp;
-    i += (len + 9);
-  }
+       PrintAndLog("recorded activity (TraceLen = %d bytes):");
+       PrintAndLog(" ETU     :nbits: who bytes");
+       PrintAndLog("---------+-----+----+-----------");
+
+       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);
+                       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(got[i+8]);
 
-  return 0;
+               if (len > 100) {
+                 break;
+               }
+               if (i + len > traceLen) { 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]);
+                 }
+               }
+
+               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;
 }
 
 int CmdLFHitagSnoop(const char *Cmd) {
-  UsbCommand c = {CMD_SNOOP_HITAG};
-  SendCommand(&c);
-  return 0;
+       UsbCommand c = {CMD_SNOOP_HITAG};
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;
 }
 
 int CmdLFHitagSim(const char *Cmd) {
-  UsbCommand c = {CMD_SIMULATE_HITAG};
-       char filename[256] = { 0x00 };
+    
+       UsbCommand c = {CMD_SIMULATE_HITAG};
+       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) {
                        PrintAndLog("Error: Could not open file [%s]",filename);
                        return 1;
                }
                tag_mem_supplied = true;
-               if (fread(c.d.asBytes,48,1,pf) == 0) {
-      PrintAndLog("Error: File reading error");
-      fclose(pf);
+               size_t bytes_read = fread(c.d.asBytes, 48, 1, pf);
+               if ( bytes_read == 0) {
+                       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;
+       clearCommandBuffer();
+       SendCommand(&c);
+       return 0;
 }
 
 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);
@@ -175,7 +209,6 @@ int CmdLFHitagReader(const char *Cmd) {
                } 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
@@ -197,52 +230,50 @@ int CmdLFHitagReader(const char *Cmd) {
        // Copy the hitag2 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;
-    
-  uint32_t id = bytes_to_num(resp.d.asBytes,4);
-  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);
+       clearCommandBuffer();
+       // Send the command to the proxmark
+       SendCommand(&c);
 
-  PrintAndLog("Succesfully saved tag memory to [%s]",filename);
-  
-  return 0;
+       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);
+       char filename[FILE_PATH_SIZE];
+       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;
 }
 
-static command_t CommandTableHitag[] = 
-{
-  {"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}
+static command_t CommandTable[] = {
+       {"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"},
+       {NULL, NULL, 0, NULL}
 };
 
-int CmdLFHitag(const char *Cmd)
-{
-  CmdsParse(CommandTableHitag, Cmd);
-  return 0;
+int CmdLFHitag(const char *Cmd) {
+       clearCommandBuffer();
+       CmdsParse(CommandTable, Cmd);
+       return 0;
 }
 
-int CmdHelp(const char *Cmd)
-{
-  CmdsHelp(CommandTableHitag);
-  return 0;
+int CmdHelp(const char *Cmd) {
+       CmdsHelp(CommandTable);
+       return 0;
 }
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