Fixed buffer corruption in iso1443a_select_card, affecting several operations, e...

[proxmark3-svn] / client / cmdlfem4x.c

diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c
index 83ed673b357fe86f4f03ab9eb2d06eae7effeada..f823750b047192c94723110eb9e5fd679839d45f 100644 (file)
--- a/client/cmdlfem4x.c
+++ b/client/cmdlfem4x.c
@@ -11,7 +11,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
-#include "proxusb.h"
+//#include "proxusb.h"
 #include "proxmark3.h"
 #include "ui.h"
 #include "graph.h"
@@ -424,14 +424,116 @@ int CmdEM410xWrite(const char *Cmd)
   return 0;
 }
 
+int CmdReadWord(const char *Cmd)
+{
+  int Word = 16; //default to invalid word
+  UsbCommand c;
+  
+  sscanf(Cmd, "%d", &Word);
+  
+  if (Word > 15) {
+    PrintAndLog("Word must be between 0 and 15");
+    return 1;
+  }
+  
+  PrintAndLog("Reading word %d", Word);
+  
+  c.cmd = CMD_EM4X_READ_WORD;
+  c.d.asBytes[0] = 0x0; //Normal mode
+  c.arg[0] = 0;
+  c.arg[1] = Word;
+  c.arg[2] = 0;
+  SendCommand(&c);
+  return 0;
+}
+
+int CmdReadWordPWD(const char *Cmd)
+{
+  int Word = 16; //default to invalid word
+  int Password = 0xFFFFFFFF; //default to blank password
+  UsbCommand c;
+  
+  sscanf(Cmd, "%d %x", &Word, &Password);
+  
+  if (Word > 15) {
+    PrintAndLog("Word must be between 0 and 15");
+    return 1;
+  }
+  
+  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.arg[1] = Word;
+  c.arg[2] = Password;
+  SendCommand(&c);
+  return 0;
+}
+
+int CmdWriteWord(const char *Cmd)
+{
+  int Word = 16; //default to invalid block
+  int Data = 0xFFFFFFFF; //default to blank data
+  UsbCommand c;
+  
+  sscanf(Cmd, "%x %d", &Data, &Word);
+  
+  if (Word > 15) {
+    PrintAndLog("Word must be between 0 and 15");
+    return 1;
+  }
+  
+  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.arg[1] = Word;
+  c.arg[2] = 0;
+  SendCommand(&c);
+  return 0;
+}
+
+int CmdWriteWordPWD(const char *Cmd)
+{
+  int Word = 8; //default to invalid word
+  int Data = 0xFFFFFFFF; //default to blank data
+  int Password = 0xFFFFFFFF; //default to blank password
+  UsbCommand c;
+  
+  sscanf(Cmd, "%x %d %x", &Data, &Word, &Password);
+  
+  if (Word > 15) {
+    PrintAndLog("Word must be between 0 and 15");
+    return 1;
+  }
+  
+  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.arg[1] = Word;
+  c.arg[2] = Password;
+  SendCommand(&c);
+  return 0;
+}
+
+
+
 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"},
+  {"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"},
+  {"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}
 };