CHG: modified cmdlf.c - CmdLFfind with a parameter to accept traces loaded with...

[proxmark3-svn] / client / cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 22aa1e059b39b9030c5eca97c3fd4f772c113307..14d8d2159f31fa17ffd2542540165157e7e061ec 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -12,7 +12,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>

-//#include "proxusb.h"

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


@@ -21,6 +20,7 @@
 #include "cmdmain.h"
 #include "cmddata.h"
 #include "cmdlf.h"
 #include "cmdmain.h"
 #include "cmddata.h"
 #include "cmdlf.h"

+#include "cmdlfawid26.h"

 #include "cmdlfhid.h"
 #include "cmdlfti.h"
 #include "cmdlfem4x.h"
 #include "cmdlfhid.h"
 #include "cmdlfti.h"
 #include "cmdlfem4x.h"


@@ -171,9 +171,10 @@ int CmdIndalaDemod(const char *Cmd)
       count = 0;
     }
   }
       count = 0;
     }
   }

-  PrintAndLog("Recovered %d raw bits", rawbit);
+  if (rawbit>0){
+    PrintAndLog("Recovered %d raw bits, expected: %d", rawbit, GraphTraceLen/32);

   PrintAndLog("worst metric (0=best..7=worst): %d at pos %d", worst, worstPos);
   PrintAndLog("worst metric (0=best..7=worst): %d at pos %d", worst, worstPos);

-
+  } else return 0;

   // Finding the start of a UID
   int uidlen, long_wait;
   if (strcmp(Cmd, "224") == 0) {
   // Finding the start of a UID
   int uidlen, long_wait;
   if (strcmp(Cmd, "224") == 0) {


@@ -269,7 +270,7 @@ int CmdIndalaDemod(const char *Cmd)
     PrintAndLog("UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
   }
 
     PrintAndLog("UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
   }
 

-  // Checking UID against next occurences
+  // Checking UID against next occurrences

   for (; i + uidlen <= rawbit;) {
     int failed = 0;
     for (bit = 0; bit < uidlen; bit++) {
   for (; i + uidlen <= rawbit;) {
     int failed = 0;
     for (bit = 0; bit < uidlen; bit++) {


@@ -283,7 +284,7 @@ int CmdIndalaDemod(const char *Cmd)
     }
     times += 1;
   }
     }
     times += 1;
   }

-  PrintAndLog("Occurences: %d (expected %d)", times, (rawbit - start) / uidlen);
+  PrintAndLog("Occurrences: %d (expected %d)", times, (rawbit - start) / uidlen);

 
   // Remodulating for tag cloning
   GraphTraceLen = 32*uidlen;
 
   // Remodulating for tag cloning
   GraphTraceLen = 32*uidlen;


@@ -303,7 +304,7 @@ int CmdIndalaDemod(const char *Cmd)
   }
 
   RepaintGraphWindow();
   }
 
   RepaintGraphWindow();

-  return 0;
+  return 1;

 }
 
 int CmdIndalaClone(const char *Cmd)
 }
 
 int CmdIndalaClone(const char *Cmd)


@@ -364,11 +365,16 @@ int CmdLFRead(const char *Cmd)
   } else if (*Cmd == '\0') {
     c.arg[0] = 0;
   } else if (sscanf(Cmd, "%"lli, &c.arg[0]) != 1) {
   } else if (*Cmd == '\0') {
     c.arg[0] = 0;
   } else if (sscanf(Cmd, "%"lli, &c.arg[0]) != 1) {

-    PrintAndLog("use 'read' or 'read h', or 'read <divisor>'");
+    PrintAndLog("Samples 1: 'lf read'");
+       PrintAndLog("        2: 'lf read h'");
+       PrintAndLog("        3: 'lf read <divisor>'");

     return 0;
   }
   SendCommand(&c);
   WaitForResponse(CMD_ACK,NULL);
     return 0;
   }
   SendCommand(&c);
   WaitForResponse(CMD_ACK,NULL);

+  
+  // load samples 
+  CmdSamples("");

   return 0;
 }
 
   return 0;
 }
 


@@ -389,7 +395,8 @@ 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);


@@ -397,18 +404,19 @@ 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;


@@ -469,6 +477,18 @@ int CmdLFSnoop(const char *Cmd)
   }
   SendCommand(&c);
   WaitForResponse(CMD_ACK,NULL);
   }
   SendCommand(&c);
   WaitForResponse(CMD_ACK,NULL);

+  
+  size_t BUFF_SIZE = 8000;
+  uint8_t data[BUFF_SIZE];
+
+  GetFromBigBuf(data,BUFF_SIZE,3560);  //3560 -- should be offset..
+  WaitForResponseTimeout(CMD_ACK,NULL, 1500);
+
+       for (int j = 0; j < BUFF_SIZE; j++) {
+               GraphBuffer[j] = ((int)data[j]);
+       }
+       GraphTraceLen = BUFF_SIZE;
+  

   return 0;
 }
 
   return 0;
 }
 


@@ -548,26 +568,76 @@ int CmdVchDemod(const char *Cmd)
   return 0;
 }
 
   return 0;
 }
 

+//by marshmellow
+int CmdLFfind(const char *Cmd)
+{
+       char cmdp = param_getchar(Cmd, 0);
+
+       if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLog("Usage:  lf search [use data from Graphbuffer]");
+               PrintAndLog("     [use data from Graphbuffer], if not set, try reading data from tag.");
+               PrintAndLog("");
+               PrintAndLog("    sample: lf search");
+               PrintAndLog("          : lf search 1");
+               return 0;
+       }
+       
+       int ans = 0;
+       if (!offline && cmdp != '1' ){
+               ans = CmdLFRead("");
+       } else if (GraphTraceLen<1000) {
+               PrintAndLog("Data in Graphbuffer was too small.");
+               return 0;
+       }
+
+       PrintAndLog("Checking for known tags:");
+
+       ans=Cmdaskmandemod("");
+       PrintAndLog("ASK_MAN: %s", (ans)?"YES":"NO" );
+
+       ans=CmdFSKdemodHID("");
+       PrintAndLog("HID: %s", (ans)?"YES":"NO" );
+
+       ans=CmdFSKdemodIO("");
+       PrintAndLog("IO prox: %s", (ans)?"YES":"NO" );
+
+       ans=CmdIndalaDemod("");
+       PrintAndLog("Indala (64): %s", (ans)?"YES":"NO" );
+
+       ans=CmdIndalaDemod("224");
+       PrintAndLog("Indala (224): %s", (ans)?"YES":"NO" );
+
+       //PrintAndLog("No Known Tags Found!\n");
+       return 0;
+}
+

 static command_t CommandTable[] = 
 {
   {"help",        CmdHelp,            1, "This help"},
   {"cmdread",     CmdLFCommandRead,   0, "<off period> <'0' period> <'1' period> <command> ['h'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'h' for 134)"},
 static command_t CommandTable[] = 
 {
   {"help",        CmdHelp,            1, "This help"},
   {"cmdread",     CmdLFCommandRead,   0, "<off period> <'0' period> <'1' period> <command> ['h'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'h' for 134)"},

-  {"em4x",        CmdLFEM4X,          1, "{ EM4X RFIDs... }"},
+

   {"flexdemod",   CmdFlexdemod,       1, "Demodulate samples for FlexPass"},
   {"flexdemod",   CmdFlexdemod,       1, "Demodulate samples for FlexPass"},

-  {"hid",         CmdLFHID,           1, "{ HID RFIDs... }"},
-  {"io",         CmdLFIO,            1, "{ ioProx tags... }"},

   {"indalademod", CmdIndalaDemod,     1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
   {"indalademod", CmdIndalaDemod,     1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},

-  {"indalaclone", CmdIndalaClone,     1, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
+  {"indalaclone", CmdIndalaClone,     0, "<UID> ['l']-- Clone Indala to T55x7 (UID in HEX)(option 'l' for 224 UID"},
+  {"vchdemod",    CmdVchDemod,        1, "['clone'] -- Demodulate samples for VeriChip"},
+
+  

   {"read",        CmdLFRead,          0, "['h' or <divisor>] -- Read 125/134 kHz LF ID-only tag (option 'h' for 134, alternatively: f=12MHz/(divisor+1))"},
   {"read",        CmdLFRead,          0, "['h' or <divisor>] -- Read 125/134 kHz LF ID-only tag (option 'h' for 134, alternatively: f=12MHz/(divisor+1))"},

+  {"search",      CmdLFfind,          1, "Read and Search for valid known tag (in offline mode it you can load first then search)"},

   {"sim",         CmdLFSim,           0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
   {"simbidir",    CmdLFSimBidir,      0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
   {"simman",      CmdLFSimManchester, 0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF tag"},
   {"snoop",       CmdLFSnoop,         0, "['l'|'h'|<divisor>] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"},
   {"sim",         CmdLFSim,           0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
   {"simbidir",    CmdLFSimBidir,      0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
   {"simman",      CmdLFSimManchester, 0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF tag"},
   {"snoop",       CmdLFSnoop,         0, "['l'|'h'|<divisor>] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"},

-  {"ti",          CmdLFTI,            1, "{ TI RFIDs... }"},
-  {"hitag",       CmdLFHitag,         1, "{ Hitag tags and transponders... }"},
-  {"vchdemod",    CmdVchDemod,        1, "['clone'] -- Demodulate samples for VeriChip"},
-  {"t55xx",       CmdLFT55XX,         1, "{ T55xx RFIDs... }"},
-  {"pcf7931",     CmdLFPCF7931,       1, "{PCF7931 RFIDs...}"},
+  
+  {"awid26",        CmdLFAWID26,        1, "{ AWID26 tags }"},
+  {"em4x",        CmdLFEM4X,          1, "{ EM4X tags }"},      
+  {"hid",         CmdLFHID,           1, "{ HID tags }"},
+  {"hitag",       CmdLFHitag,         1, "{ Hitag tags and transponders }"},
+  {"io",         CmdLFIO,                1, "{ ioProx tags }"},
+  {"pcf7931",     CmdLFPCF7931,       1, "{ PCF7931 tags }"},
+  {"ti",          CmdLFTI,            1, "{ TI tags }"},
+  {"t55xx",       CmdLFT55XX,         1, "{ T55xx tags }"},
+ 

   {NULL, NULL, 0, NULL}
 };
 
   {NULL, NULL, 0, NULL}
 };