CHG: added some more token-tags.

[proxmark3-svn] / client / cmdlf.c

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 18bcf747e7c16f109a4c0220153bbf6bc9810db2..f268eaa23579364430f0e243f18b7441b7e04002 100644 (file)
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -19,6 +19,7 @@
 #include "cmdparser.h"
 #include "cmdmain.h"
 #include "cmddata.h"
 #include "cmdparser.h"
 #include "cmdmain.h"
 #include "cmddata.h"

+#include "util.h"

 #include "cmdlf.h"
 #include "cmdlfhid.h"
 #include "cmdlfti.h"
 #include "cmdlf.h"
 #include "cmdlfhid.h"
 #include "cmdlfti.h"


@@ -355,24 +356,154 @@ int CmdIndalaClone(const char *Cmd)
   return 0;
 }
 
   return 0;
 }
 

+int usage_lf_read()
+{
+       PrintAndLog("Usage: lf read");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h            This help");
+       PrintAndLog("This function takes no arguments. ");
+       PrintAndLog("Use 'lf config' to set parameters.");
+       return 0;
+}
+int usage_lf_snoop()
+{
+       PrintAndLog("Usage: lf snoop");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h            This help");
+       PrintAndLog("This function takes no arguments. ");
+       PrintAndLog("Use 'lf config' to set parameters.");
+       return 0;
+}
+
+int usage_lf_config()
+{
+       PrintAndLog("Usage: lf config [H|<divisor>] [b <bps>] [d <decim>] [a 0|1]");
+       PrintAndLog("Options:        ");
+       PrintAndLog("       h             This help");
+       PrintAndLog("       L             Low frequency (125 KHz)");
+       PrintAndLog("       H             High frequency (134 KHz)");
+       PrintAndLog("       q <divisor>   Manually set divisor. 88-> 134KHz, 95-> 125 Hz");
+       PrintAndLog("       b <bps>       Sets resolution of bits per sample. Default (max): 8");
+       PrintAndLog("       d <decim>     Sets decimation. A value of N saves only 1 in N samples. Default: 1");
+       PrintAndLog("       a [0|1]       Averaging - if set, will average the stored sample value when decimating. Default: 1");
+       PrintAndLog("       t <threshold> Sets trigger threshold. 0 means no threshold");
+       PrintAndLog("Examples:");
+       PrintAndLog("      lf config b 8 L");
+       PrintAndLog("                    Samples at 125KHz, 8bps.");
+       PrintAndLog("      lf config H b 4 d 3");
+       PrintAndLog("                    Samples at 134KHz, averages three samples into one, stored with ");
+       PrintAndLog("                    a resolution of 4 bits per sample.");
+       PrintAndLog("      lf read");
+       PrintAndLog("                    Performs a read (active field)");
+       PrintAndLog("      lf snoop");
+       PrintAndLog("                    Performs a snoop (no active field)");
+       return 0;
+}
+
+int CmdLFSetConfig(const char *Cmd)
+{
+
+       uint8_t divisor =  0;//Frequency divisor
+       uint8_t bps = 0; // Bits per sample
+       uint8_t decimation = 0; //How many to keep
+       bool averaging = 1; // Defaults to true
+       bool errors = FALSE;
+       int trigger_threshold =-1;//Means no change
+       uint8_t unsigned_trigg = 0;
+
+       uint8_t cmdp =0;
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+               case 'h':
+                       return usage_lf_config();
+               case 'H':
+                       divisor = 88;
+                       cmdp++;
+                       break;
+               case 'L':
+                       divisor = 95;
+                       cmdp++;
+                       break;
+               case 'q':
+                       errors |= param_getdec(Cmd,cmdp+1,&divisor);
+                       cmdp+=2;
+                       break;
+               case 't':
+                       errors |= param_getdec(Cmd,cmdp+1,&unsigned_trigg);
+                       cmdp+=2;
+                       if(!errors) trigger_threshold = unsigned_trigg;
+                       break;
+               case 'b':
+                       errors |= param_getdec(Cmd,cmdp+1,&bps);
+                       cmdp+=2;
+                       break;
+               case 'd':
+                       errors |= param_getdec(Cmd,cmdp+1,&decimation);
+                       cmdp+=2;
+                       break;
+               case 'a':
+                       averaging = param_getchar(Cmd,cmdp+1) == '1';
+                       cmdp+=2;
+                       break;
+               default:
+                       PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                       errors = 1;
+                       break;
+               }
+               if(errors) break;
+       }
+       if(cmdp == 0)
+       {
+               errors = 1;// No args
+       }
+
+       //Validations
+       if(errors)
+       {
+               return usage_lf_config();
+       }
+       //Bps is limited to 8, so fits in lower half of arg1
+       if(bps >> 8) bps = 8;
+
+       sample_config config = {
+               decimation,bps,averaging,divisor,trigger_threshold
+       };
+       //Averaging is a flag on high-bit of arg[1]
+       UsbCommand c = {CMD_SET_LF_SAMPLING_CONFIG};
+       memcpy(c.d.asBytes,&config,sizeof(sample_config));
+       SendCommand(&c);
+       return 0;
+}
+

 int CmdLFRead(const char *Cmd)
 {
 int CmdLFRead(const char *Cmd)
 {

-  UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K};
-
-  // 'h' means higher-low-frequency, 134 kHz
-  if(*Cmd == 'h') {
-    c.arg[0] = 1;
-  } else if (*Cmd == '\0') {
-    c.arg[0] = 0;
-  } else if (sscanf(Cmd, "%"lli, &c.arg[0]) != 1) {
-               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;
+
+       uint8_t cmdp =0;
+       if(param_getchar(Cmd, cmdp) == 'h')
+       {
+               return usage_lf_read();
+       }
+       //And ship it to device
+       UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K};
+       SendCommand(&c);
+       WaitForResponse(CMD_ACK,NULL);
+       return 0;
+}
+
+int CmdLFSnoop(const char *Cmd)
+{
+       uint8_t cmdp =0;
+       if(param_getchar(Cmd, cmdp) == 'h')
+       {
+               return usage_lf_snoop();
+       }
+
+       UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
+       SendCommand(&c);
+       WaitForResponse(CMD_ACK,NULL);
+       return 0;

 }
 
 static void ChkBitstream(const char *str)
 }
 
 static void ChkBitstream(const char *str)


@@ -380,19 +511,17 @@ 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;
     }
   }
 }

-
+//appears to attempt to simulate manchester

 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 +529,20 @@ 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;


@@ -449,30 +580,6 @@ int CmdLFSimManchester(const char *Cmd)
   return 0;
 }
 
   return 0;
 }
 

-int CmdLFSnoop(const char *Cmd)
-{
-  UsbCommand c = {CMD_LF_SNOOP_RAW_ADC_SAMPLES};
-
-  // 'h' means higher-low-frequency, 134 kHz
-  c.arg[0] = 0;
-  c.arg[1] = -1;
-
-       if (*Cmd == 'l') {
-    sscanf(Cmd, "l %"lli, &c.arg[1]);
-  } else if(*Cmd == 'h') {
-    c.arg[0] = 1;
-    sscanf(Cmd, "h %"lli, &c.arg[1]);
-  } else if (sscanf(Cmd, "%"lli" %"lli, &c.arg[0], &c.arg[1]) < 1) {
-               PrintAndLog("usage 1:  snoop");
-               PrintAndLog("      2:  snoop {l,h} [trigger threshold]");
-               PrintAndLog("      3:  snoop <divisor> [trigger threshold]");
-    return 0;
-  }
-
-  SendCommand(&c);
-  WaitForResponse(CMD_ACK,NULL);
-  return 0;
-}

 
 int CmdVchDemod(const char *Cmd)
 {
 
 int CmdVchDemod(const char *Cmd)
 {


@@ -554,24 +661,94 @@ 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);
+  char testRaw = param_getchar(Cmd, 1);
+  if (strlen(Cmd) > 2 || cmdp == 'h' || cmdp == 'H') {
+    PrintAndLog("Usage:  lf search <0|1> [u]");
+    PrintAndLog("     <use data from Graphbuffer> , if not set, try reading data from tag.");
+    PrintAndLog("     [Search for Unknown tags] , if not set, reads only known tags.");
+    PrintAndLog("");
+    PrintAndLog("    sample: lf search     = try reading data from tag & search for known tags");
+    PrintAndLog("          : lf search 1   = use data from GraphBuffer & search for known tags");
+    PrintAndLog("          : lf search u   = try reading data from tag & search for known and unknown tags");
+    PrintAndLog("          : lf search 1 u = use data from GraphBuffer & search for known and unknown tags");
+
+    return 0;
+  }
+
+  if (!offline && (cmdp != '1')){

     ans=CmdLFRead("");
     ans=CmdSamples("20000");
     ans=CmdLFRead("");
     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;
-  ans=CmdFSKdemodHID("");
-  if (ans>0) return 1;
+  if (cmdp == 'u' || cmdp == 'U') testRaw = 'u';
+  PrintAndLog("NOTE: some demods output possible binary\n  if it finds something that looks like a tag");
+  PrintAndLog("False Positives ARE possible\n");  
+  PrintAndLog("\nChecking for known tags:\n");

   ans=CmdFSKdemodIO("");
   ans=CmdFSKdemodIO("");

-  if (ans>0) return 1;
+  if (ans>0) {
+    PrintAndLog("\nValid IO Prox ID Found!");
+    return 1;
+  }
+  ans=CmdFSKdemodPyramid("");
+  if (ans>0) {
+    PrintAndLog("\nValid Pyramid ID Found!");
+    return 1;
+  }
+  ans=CmdFSKdemodParadox("");
+  if (ans>0) {
+    PrintAndLog("\nValid Paradox ID Found!");
+    return 1;
+  }
+  ans=CmdFSKdemodAWID("");
+  if (ans>0) {
+    PrintAndLog("\nValid AWID ID Found!");
+    return 1;
+  }
+  ans=CmdFSKdemodHID("");
+  if (ans>0) {
+    PrintAndLog("\nValid HID Prox ID Found!");
+    return 1;
+  }

   //add psk and indala
   //add psk and indala

-  ans=CmdIndalaDemod("");
-  if (ans>0) return 1;
-  ans=CmdIndalaDemod("224");
-  if (ans>0) return 1;
-  PrintAndLog("No Known Tags Found!\n");
+  ans=CmdIndalaDecode("");
+  if (ans>0) {
+    PrintAndLog("\nValid Indala ID Found!");
+    return 1;
+  }
+  ans=CmdAskEM410xDemod("");
+  if (ans>0) {
+    PrintAndLog("\nValid EM410x ID Found!");
+    return 1;
+  }
+  PrintAndLog("\nNo Known Tags Found!\n");
+  if (testRaw=='u' || testRaw=='U'){
+    //test unknown tag formats (raw mode)
+    PrintAndLog("\nChecking for Unknown tags:\n");
+    ans=CmdDetectClockRate("f");
+    if (ans != 0){ //fsk
+      ans=CmdFSKrawdemod("");
+      if (ans>0) {
+        PrintAndLog("\nUnknown FSK Modulated Tag Found!");
+        return 1;
+      }
+    }
+    ans=Cmdaskmandemod("");
+    if (ans>0) {
+      PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
+      return 1;
+    }
+    ans=CmdPSK1rawDemod("");
+    if (ans>0) {
+      PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data psk2rawdemod'");
+      PrintAndLog("\nCould also be PSK3 - [currently not supported]");
+      PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod");
+      return 1;
+    }
+    PrintAndLog("\nNo Data Found!\n");
+  }

   return 0;
 }
 
   return 0;
 }
 


@@ -580,13 +757,14 @@ 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... }"},
   {"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... }"},

+  {"config",      CmdLFSetConfig,     0, "Set config for LF sampling, bit/sample, decimation, frequency"},

   {"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)"},
   {"indalaclone", CmdIndalaClone,     0, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
   {"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)"},
   {"indalaclone", CmdIndalaClone,     0, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},

-  {"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)"},
+  {"read",        CmdLFRead,          0, "Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
+  {"search",      CmdLFfind,          1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) - 'u' to search for unknown tags"},

   {"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"},
   {"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"},