ADD: a CmdEM410xWatchnSpoof in cmdlfem4x.c , looks for a tag, then replays it.

[proxmark3-svn] / client / cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 18bcf747e7c16f109a4c0220153bbf6bc9810db2..572cda6ca418a9babcd6bbc0b77f706eea0769e2 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -380,10 +380,8 @@ static void ChkBitstream(const char *str)
   int i;
 
   /* convert to bitstream if necessary */
   int i;
 
   /* convert to bitstream if necessary */

-  for (i = 0; i < (int)(GraphTraceLen / 2); i++)
-  {
-    if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0)
-    {
+       for (i = 0; i < (int)(GraphTraceLen / 2); i++){
+               if (GraphBuffer[i] > 1 || GraphBuffer[i] < 0) {

       CmdBitstream(str);
       break;
     }
       CmdBitstream(str);
       break;
     }


@@ -392,7 +390,7 @@ static void ChkBitstream(const char *str)
 
 int CmdLFSim(const char *Cmd)
 {
 
 int CmdLFSim(const char *Cmd)
 {

-  int i;
+       int i,j;

   static int gap;
 
   sscanf(Cmd, "%i", &gap);
   static int gap;
 
   sscanf(Cmd, "%i", &gap);


@@ -400,18 +398,20 @@ int CmdLFSim(const char *Cmd)
   /* convert to bitstream if necessary */
   ChkBitstream(Cmd);
 
   /* convert to bitstream if necessary */
   ChkBitstream(Cmd);
 

-  PrintAndLog("Sending data, please wait...");
-  for (i = 0; i < GraphTraceLen; i += 48) {
+       printf("Sending [%d bytes]", GraphTraceLen);
+       for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {

     UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
     UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};

-    int j;
-    for (j = 0; j < 48; j++) {
+
+               for (j = 0; j < USB_CMD_DATA_SIZE; j++) {

       c.d.asBytes[j] = GraphBuffer[i+j];
     }
     SendCommand(&c);
     WaitForResponse(CMD_ACK,NULL);
       c.d.asBytes[j] = GraphBuffer[i+j];
     }
     SendCommand(&c);
     WaitForResponse(CMD_ACK,NULL);

+               printf(".");

   }
 
   }
 

-  PrintAndLog("Starting simulator...");
+       printf("\n");
+       PrintAndLog("Starting to simulate");

   UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
   SendCommand(&c);
   return 0;
   UsbCommand c = {CMD_SIMULATE_TAG_125K, {GraphTraceLen, gap, 0}};
   SendCommand(&c);
   return 0;


@@ -554,11 +554,25 @@ int CmdVchDemod(const char *Cmd)
 int CmdLFfind(const char *Cmd)
 {
   int ans=0;
 int CmdLFfind(const char *Cmd)
 {
   int ans=0;

-  if (!offline){
+       char cmdp = param_getchar(Cmd, 0);
+       
+       if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  lf search <0|1>");
+               PrintAndLog("     <use data from Graphbuffer>, if not set, try reading data from tag.");
+               PrintAndLog("");
+               PrintAndLog("    sample: lf search");
+               PrintAndLog("          : lf search 1");
+               return 0;
+       }
+
+       if (!offline || (cmdp != '1') ){

     ans=CmdLFRead("");
     ans=CmdLFRead("");

-    ans=CmdSamples("20000");
+       ans=CmdSamples("20000");
+       } else if (GraphTraceLen < 1000) {
+               PrintAndLog("Data in Graphbuffer was too small.");
+               return 0;

   }
   }

-  if (GraphTraceLen<1000) return 0;
+

   PrintAndLog("Checking for known tags:");
   ans=Cmdaskmandemod("");
   if (ans>0) return 1;
   PrintAndLog("Checking for known tags:");
   ans=Cmdaskmandemod("");
   if (ans>0) return 1;