Changes to how dumping is performed, now utilises a library. This is in preparation...

[proxmark3-svn] / client / cmdlfem4x.c

diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c
index 92cdb90d2248b11483bdd09b87d173c87d7dde2b..bd6137ac49eb0b4d6d0e2d34d7c016418ffb9e29 100644 (file)
--- a/client/cmdlfem4x.c
+++ b/client/cmdlfem4x.c
@@ -11,7 +11,8 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>

-#include "proxusb.h"
+//#include "proxusb.h"
+#include "proxmark3.h"

 #include "ui.h"
 #include "graph.h"
 #include "cmdparser.h"
 #include "ui.h"
 #include "graph.h"
 #include "cmdparser.h"


@@ -247,11 +248,20 @@ int CmdEM410xSim(const char *Cmd)
  * looped until an EM410x tag is detected */
 int CmdEM410xWatch(const char *Cmd)
 {
  * looped until an EM410x tag is detected */
 int CmdEM410xWatch(const char *Cmd)
 {

+  int read_h = (*Cmd == 'h');

   do
   {
   do
   {

-    CmdLFRead("");
-    CmdSamples("2000");
-  } while ( ! CmdEM410xRead(""));
+    CmdLFRead(read_h ? "h" : "");
+    // 2000 samples is OK for clock=64, but not clock=32.  Probably want
+               //   8000 for clock=16.  Don't want to go too high since old HID driver
+               //   is very slow
+               // TBD: Auto-grow sample size based on detected sample rate.  IE: If the
+               //   rate gets lower, then grow the number of samples
+
+    // Changed by martin, 4000 x 4 = 16000, 
+    // see http://www.proxmark.org/forum/viewtopic.php?pid=7235#p7235
+               CmdSamples("16000");
+ } while ( ! CmdEM410xRead(""));

   return 0;
 }
 
   return 0;
 }
 


@@ -401,22 +411,66 @@ int CmdEM4x50Read(const char *Cmd)
 
 int CmdEM410xWrite(const char *Cmd)
 {
 
 int CmdEM410xWrite(const char *Cmd)
 {

-  uint64_t id = 0;
-  unsigned int card;
+  uint64_t id = 0xFFFFFFFFFFFFFFFF; // invalid id value
+  int card = 0xFF; // invalid card value
+       unsigned int clock = 0; // invalid clock value
+
+       sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock);
+
+       // Check ID
+       if (id == 0xFFFFFFFFFFFFFFFF) {
+               PrintAndLog("Error! ID is required.\n");
+               return 0;
+       }
+       if (id >= 0x10000000000) {
+               PrintAndLog("Error! Given EM410x ID is longer than 40 bits.\n");
+               return 0;
+       }
+
+       // Check Card
+       if (card == 0xFF) {
+               PrintAndLog("Error! Card type required.\n");
+               return 0;
+       }
+       if (card < 0) {
+               PrintAndLog("Error! Bad card type selected.\n");
+               return 0;
+       }
+
+       // Check Clock
+       if (card == 1)
+       {
+               // Default: 64
+               if (clock == 0)
+                       clock = 64;
+
+               // Allowed clock rates: 16, 32 and 64
+               if ((clock != 16) && (clock != 32) && (clock != 64)) {
+                       PrintAndLog("Error! Clock rate %d not valid. Supported clock rates are 16, 32 and 64.\n", clock);
+                       return 0;
+               }
+       }
+       else if (clock != 0)
+       {
+               PrintAndLog("Error! Clock rate is only supported on T55x7 tags.\n");
+               return 0;
+       }
+
+       if (card == 1) {
+               PrintAndLog("Writing %s tag with UID 0x%010" PRIx64 " (clock rate: %d)", "T55x7", id, clock);
+               // NOTE: We really should pass the clock in as a separate argument, but to
+               //   provide for backwards-compatibility for older firmware, and to avoid
+               //   having to add another argument to CMD_EM410X_WRITE_TAG, we just store
+               //   the clock rate in bits 8-15 of the card value
+               card = (card & 0xFF) | (((uint64_t)clock << 8) & 0xFF00);
+       }
+       else if (card == 0)
+               PrintAndLog("Writing %s tag with UID 0x%010" PRIx64, "T5555", id, clock);
+       else {
+               PrintAndLog("Error! Bad card type selected.\n");
+               return 0;
+       }

 
 

-  sscanf(Cmd, "%" PRIx64 " %d", &id, &card);
-
-  if (id >= 0x10000000000) {
-    PrintAndLog("Error! Given EM410x ID is longer than 40 bits.\n");
-    return 0;
-  }
-
-  if (card > 1) {
-    PrintAndLog("Error! Bad card type selected.\n");
-    return 0;
-  }
-
-  PrintAndLog("Writing %s tag with UID 0x%010" PRIx64, card ? "T55x7":"T5555", id);

   UsbCommand c = {CMD_EM410X_WRITE_TAG, {card, (uint32_t)(id >> 32), (uint32_t)id}};
   SendCommand(&c);
 
   UsbCommand c = {CMD_EM410X_WRITE_TAG, {card, (uint32_t)(id >> 32), (uint32_t)id}};
   SendCommand(&c);
 


@@ -427,16 +481,16 @@ int CmdReadWord(const char *Cmd)
 {
   int Word = 16; //default to invalid word
   UsbCommand c;
 {
   int Word = 16; //default to invalid word
   UsbCommand c;

-
+  

   sscanf(Cmd, "%d", &Word);
   sscanf(Cmd, "%d", &Word);

-
+  

   if (Word > 15) {
   if (Word > 15) {

-       PrintAndLog("Word must be between 0 and 15");
-       return 1;
-  }    
-
+    PrintAndLog("Word must be between 0 and 15");
+    return 1;
+  }
+  

   PrintAndLog("Reading word %d", Word);
   PrintAndLog("Reading word %d", Word);

-
+  

   c.cmd = CMD_EM4X_READ_WORD;
   c.d.asBytes[0] = 0x0; //Normal mode
   c.arg[0] = 0;
   c.cmd = CMD_EM4X_READ_WORD;
   c.d.asBytes[0] = 0x0; //Normal mode
   c.arg[0] = 0;


@@ -451,16 +505,16 @@ int CmdReadWordPWD(const char *Cmd)
   int Word = 16; //default to invalid word
   int Password = 0xFFFFFFFF; //default to blank password
   UsbCommand c;
   int Word = 16; //default to invalid word
   int Password = 0xFFFFFFFF; //default to blank password
   UsbCommand c;

-
+  

   sscanf(Cmd, "%d %x", &Word, &Password);
   sscanf(Cmd, "%d %x", &Word, &Password);

-
+  

   if (Word > 15) {
   if (Word > 15) {

-       PrintAndLog("Word must be between 0 and 15");
-       return 1;
-  }    
-
+    PrintAndLog("Word must be between 0 and 15");
+    return 1;
+  }
+  

   PrintAndLog("Reading word %d with password %08X", Word, Password);
   PrintAndLog("Reading word %d with password %08X", Word, Password);

-
+  

   c.cmd = CMD_EM4X_READ_WORD;
   c.d.asBytes[0] = 0x1; //Password mode
   c.arg[0] = 0;
   c.cmd = CMD_EM4X_READ_WORD;
   c.d.asBytes[0] = 0x1; //Password mode
   c.arg[0] = 0;


@@ -473,18 +527,18 @@ int CmdReadWordPWD(const char *Cmd)
 int CmdWriteWord(const char *Cmd)
 {
   int Word = 16; //default to invalid block
 int CmdWriteWord(const char *Cmd)
 {
   int Word = 16; //default to invalid block

-  int Data = 0xFFFFFFFF; //default to blank data 
+  int Data = 0xFFFFFFFF; //default to blank data

   UsbCommand c;
   UsbCommand c;

-
+  

   sscanf(Cmd, "%x %d", &Data, &Word);
   sscanf(Cmd, "%x %d", &Data, &Word);

-
+  

   if (Word > 15) {
   if (Word > 15) {

-       PrintAndLog("Word must be between 0 and 15");
-       return 1;
-  }    
-
+    PrintAndLog("Word must be between 0 and 15");
+    return 1;
+  }
+  

   PrintAndLog("Writting word %d with data %08X", Word, Data);
   PrintAndLog("Writting word %d with data %08X", Word, Data);

-
+  

   c.cmd = CMD_EM4X_WRITE_WORD;
   c.d.asBytes[0] = 0x0; //Normal mode
   c.arg[0] = Data;
   c.cmd = CMD_EM4X_WRITE_WORD;
   c.d.asBytes[0] = 0x0; //Normal mode
   c.arg[0] = Data;


@@ -497,19 +551,19 @@ int CmdWriteWord(const char *Cmd)
 int CmdWriteWordPWD(const char *Cmd)
 {
   int Word = 8; //default to invalid word
 int CmdWriteWordPWD(const char *Cmd)
 {
   int Word = 8; //default to invalid word

-  int Data = 0xFFFFFFFF; //default to blank data 
+  int Data = 0xFFFFFFFF; //default to blank data

   int Password = 0xFFFFFFFF; //default to blank password
   UsbCommand c;
   int Password = 0xFFFFFFFF; //default to blank password
   UsbCommand c;

-
+  

   sscanf(Cmd, "%x %d %x", &Data, &Word, &Password);
   sscanf(Cmd, "%x %d %x", &Data, &Word, &Password);

-
+  

   if (Word > 15) {
   if (Word > 15) {

-       PrintAndLog("Word must be between 0 and 15");
-       return 1;
-  }    
-
+    PrintAndLog("Word must be between 0 and 15");
+    return 1;
+  }
+  

   PrintAndLog("Writting word %d with data %08X and password %08X", Word, Data, Password);
   PrintAndLog("Writting word %d with data %08X and password %08X", Word, Data, Password);

-
+  

   c.cmd = CMD_EM4X_WRITE_WORD;
   c.d.asBytes[0] = 0x1; //Password mode
   c.arg[0] = Data;
   c.cmd = CMD_EM4X_WRITE_WORD;
   c.d.asBytes[0] = 0x1; //Password mode
   c.arg[0] = Data;


@@ -520,17 +574,18 @@ int CmdWriteWordPWD(const char *Cmd)
 }
 
 
 }
 
 

+

 static command_t CommandTable[] =
 {
 static command_t CommandTable[] =
 {

-  {"help",         CmdHelp,         1, "This help"},
-  {"em410xread",   CmdEM410xRead,   1, "[clock rate] -- Extract ID from EM410x tag"},
-  {"em410xsim",    CmdEM410xSim,    0, "<UID> -- Simulate EM410x tag"},
-  {"em410xwatch",  CmdEM410xWatch,  0, "Watches for EM410x tags"},
-  {"em410xwrite",  CmdEM410xWrite,  1, "<UID> <'0' T5555> <'1' T55x7> -- Write EM410x UID to T5555(Q5) or T55x7 tag"},
-  {"em4x50read",   CmdEM4x50Read,   1, "Extract data from EM4x50 tag"},
-  {"readword",     CmdReadWord,     1, "<Word> -- Read EM4xxx word data"},
-  {"readwordPWD",  CmdReadWordPWD,  1, "<Word> <Password> -- Read EM4xxx word data in password mode"},
-  {"writeword",    CmdWriteWord,    1, "<Data> <Word> -- Write EM4xxx word data"},
+  {"help", CmdHelp, 1, "This help"},
+  {"em410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag"},
+  {"em410xsim", CmdEM410xSim, 0, "<UID> -- Simulate EM410x tag"},
+  {"em410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"},
+  {"em410xwrite", CmdEM410xWrite, 1, "<UID> <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"},
+  {"em4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"},
+  {"readword", CmdReadWord, 1, "<Word> -- Read EM4xxx word data"},
+  {"readwordPWD", CmdReadWordPWD, 1, "<Word> <Password> -- Read EM4xxx word data in password mode"},
+  {"writeword", CmdWriteWord, 1, "<Data> <Word> -- Write EM4xxx word data"},

   {"writewordPWD", CmdWriteWordPWD, 1, "<Data> <Word> <Password> -- Write EM4xxx word data in password mode"},
   {NULL, NULL, 0, NULL}
 };
   {"writewordPWD", CmdWriteWordPWD, 1, "<Data> <Word> <Password> -- Write EM4xxx word data in password mode"},
   {NULL, NULL, 0, NULL}
 };