Added binlib, to handle binary data from lua, based on lpack http://www.tecgraf.puc-rio.br/~lhf/ftp/lua/#lpack

client/Makefile

@@ -73,6 +73,7 @@ CMDSRCS = 	nonce2key/crapto1.c\
 			cmdmain.c \
 			cmdlft55xx.c \
 			cmdlfpcf7931.c\
+			pm3_binlib.c\
 			scripting.c\
 			cmdscript.c\
 

client/cmdscript.c

@@ -24,6 +24,7 @@
 #include "cmdmain.h"
 #include "cmdscript.h"
 #include "cmdhfmf.h"
+#include "pm3_binlib.h"
 
 #include <lua.h>
 #include <lualib.h>
@@ -210,6 +211,10 @@ int CmdRun(const char *Cmd)
 
     //Sets the 'command line' libraries, basically just the commandline stuff
     set_cmdlibraries(lua_state);
+
+    //Add the 'bin' library
+    set_bin_library(lua_state);
+
     char cmd_name[32];
     int len = 0;
     memset(cmd_name, 0, 32);

client/pm3_binlib.c

@@ -0,0 +1,349 @@
+/*
+* lpack.c
+* a Lua library for packing and unpacking binary data
+* Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br>
+* 29 Jun 2007 19:27:20
+* This code is hereby placed in the public domain.
+* with contributions from Ignacio Castao <castanyo@yahoo.es> and
+* Roberto Ierusalimschy <roberto@inf.puc-rio.br>.
+*/
+
+#define	OP_ZSTRING	'z'		/* zero-terminated string */
+#define	OP_BSTRING	'p'		/* string preceded by length byte */
+#define	OP_WSTRING	'P'		/* string preceded by length word */
+#define	OP_SSTRING	'a'		/* string preceded by length size_t */
+#define	OP_STRING	'A'		/* string */
+#define	OP_FLOAT	'f'		/* float */
+#define	OP_DOUBLE	'd'		/* double */
+#define	OP_NUMBER	'n'		/* Lua number */
+#define	OP_CHAR		'c'		/* char (1-byte int) */
+#define	OP_BYTE		'C'		/* byte = unsigned char (1-byte unsigned int) */
+#define	OP_SHORT	's'		/* short (2-byte int) */
+#define	OP_USHORT	'S'		/* unsigned short (2-byte unsigned int) */
+#define	OP_INT		'i'		/* int (4-byte int) */
+#define	OP_UINT		'I'		/* unsigned int (4-byte unsigned int) */
+#define	OP_LONG		'l'		/* long (8-byte int) */
+#define	OP_ULONG	'L'		/* unsigned long (8-byte unsigned int) */
+#define	OP_LITTLEENDIAN	'<'		/* little endian */
+#define	OP_BIGENDIAN	'>'		/* big endian */
+#define	OP_NATIVE	'='		/* native endian */
+
+#define OP_HEX 'H'
+
+#include <ctype.h>
+#include <string.h>
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+#include "pm3_binlib.h"
+
+
+static void badcode(lua_State *L, int c)
+{
+ char s[]="bad code `?'";
+ s[sizeof(s)-3]=c;
+ luaL_argerror(L,1,s);
+}
+
+static int doendian(int c)
+{
+ int x=1;
+ int e=*(char*)&x;
+ if (c==OP_LITTLEENDIAN) return !e;
+ if (c==OP_BIGENDIAN) return e;
+ if (c==OP_NATIVE) return 0;
+ return 0;
+}
+
+static void doswap(int swap, void *p, size_t n)
+{
+ if (swap)
+ {
+  char *a=(char*)p;
+  int i,j;
+  for (i=0, j=n-1, n=n/2; n--; i++, j--)
+  {
+   char t=a[i]; a[i]=a[j]; a[j]=t;
+  }
+ }
+}
+
+#define UNPACKNUMBER(OP,T)		\
+   case OP:				\
+   {					\
+    T a;				\
+    int m=sizeof(a);			\
+    if (i+m>len) { done = 1;	break;}	\
+    memcpy(&a,s+i,m);			\
+    i+=m;				\
+    doswap(swap,&a,m);			\
+    lua_pushnumber(L,(lua_Number)a);	\
+    ++n;				\
+    break;				\
+   }
+
+#define UNPACKSTRING(OP,T)		\
+   case OP:				\
+   {					\
+    T l;				\
+    int m=sizeof(l);			\
+    if (i+m>len) { done = 1;	break; }	\
+    memcpy(&l,s+i,m);			\
+    doswap(swap,&l,m);			\
+    if (i+m+l>len) { done = 1; break;}		\
+    i+=m;				\
+    lua_pushlstring(L,s+i,l);		\
+    i+=l;				\
+    ++n;				\
+    break;				\
+   }
+
+#define HEXDIGITS(DIG) \
+ "0123456789ABCDEF"[DIG]
+
+static int l_unpack(lua_State *L) 		/** unpack(f,s, [init]) */
+{
+ size_t len;
+ const char *s=luaL_checklstring(L,2,&len); /* switched s and f */
+ const char *f=luaL_checkstring(L,1);
+ int i_read = luaL_optint(L,3,1)-1;
+ unsigned int i;
+ if (i_read >= 0) {
+   i = i_read;
+ } else {
+   i = 0;
+ }
+ int n=0;
+ int swap=0;
+ int done=0;
+ lua_pushnil(L);
+ while (*f && done == 0)
+ {
+  int c=*f++;
+  int N=1;
+  if (isdigit((int) (unsigned char) *f))
+  {
+   N=0;
+   while (isdigit((int) (unsigned char) *f)) N=10*N+(*f++)-'0';
+   if (N==0 && c==OP_STRING) { lua_pushliteral(L,""); ++n; }
+  }
+  while (N-- && done == 0) switch (c)
+  {
+   case OP_LITTLEENDIAN:
+   case OP_BIGENDIAN:
+   case OP_NATIVE:
+   {
+    swap=doendian(c);
+    N=0;
+    break;
+   }
+   case OP_STRING:
+   {
+    ++N;
+    if (i+N>len) {done = 1; break; }
+    lua_pushlstring(L,s+i,N);
+    i+=N;
+    ++n;
+    N=0;
+    break;
+   }
+   case OP_ZSTRING:
+   {
+    size_t l;
+    if (i>=len) {done = 1; break; }
+    l=strlen(s+i);
+    lua_pushlstring(L,s+i,l);
+    i+=l+1;
+    ++n;
+    break;
+   }
+   UNPACKSTRING(OP_BSTRING, unsigned char)
+   UNPACKSTRING(OP_WSTRING, unsigned short)
+   UNPACKSTRING(OP_SSTRING, size_t)
+   UNPACKNUMBER(OP_NUMBER, lua_Number)
+   UNPACKNUMBER(OP_DOUBLE, double)
+   UNPACKNUMBER(OP_FLOAT, float)
+   UNPACKNUMBER(OP_CHAR, char)
+   UNPACKNUMBER(OP_BYTE, unsigned char)
+   UNPACKNUMBER(OP_SHORT, short)
+   UNPACKNUMBER(OP_USHORT, unsigned short)
+   UNPACKNUMBER(OP_INT, int)
+   UNPACKNUMBER(OP_UINT, unsigned int)
+   UNPACKNUMBER(OP_LONG, long)
+   UNPACKNUMBER(OP_ULONG, unsigned long)
+  case OP_HEX:
+    {
+      luaL_Buffer buf;
+      char hdigit = '0';
+      int val = 0;
+      luaL_buffinit(L,&buf);
+      N++;
+      if (i+N > len) {done = 1; break;}
+      for (unsigned int ii = i; ii < i+N; ii++) {
+    val = s[ii] & 0xF0;
+    val = val >> 4;
+    hdigit = HEXDIGITS(val);
+    luaL_addlstring(&buf, &hdigit, 1);
+
+    val = s[ii] & 0x0F;
+    hdigit = HEXDIGITS(val);
+    luaL_addlstring(&buf, &hdigit, 1);
+      }
+      luaL_pushresult(&buf);
+      n++;
+      i += N;
+      N = 0;
+      break;
+    }
+
+   case ' ': case ',':
+    break;
+   default:
+    badcode(L,c);
+    break;
+  }
+ }
+ lua_pushnumber(L,i+1);
+ lua_replace(L,-n-2);
+ return n+1;
+}
+
+#define PACKNUMBER(OP,T)			\
+   case OP:					\
+   {						\
+    T a=(T)luaL_checknumber(L,i++);		\
+    doswap(swap,&a,sizeof(a));			\
+    luaL_addlstring(&b,(char*)&a,sizeof(a));	\
+    break;					\
+   }
+
+#define PACKSTRING(OP,T)			\
+   case OP:					\
+   {						\
+    size_t l;					\
+    const char *a=luaL_checklstring(L,i++,&l);	\
+    T ll=(T)l;					\
+    doswap(swap,&ll,sizeof(ll));		\
+    luaL_addlstring(&b,(char*)&ll,sizeof(ll));	\
+    luaL_addlstring(&b,a,l);			\
+    break;					\
+   }
+
+static int l_pack(lua_State *L) 		/** pack(f,...) */
+{
+ int i=2;
+ const char *f=luaL_checkstring(L,1);
+ int swap=0;
+ luaL_Buffer b;
+ luaL_buffinit(L,&b);
+ while (*f)
+ {
+  int c=*f++;
+  int N=1;
+  if (isdigit((int) (unsigned char) *f))
+  {
+   N=0;
+   while (isdigit((int) (unsigned char) *f)) N=10*N+(*f++)-'0';
+  }
+  while (N--) switch (c)
+  {
+   case OP_LITTLEENDIAN:
+   case OP_BIGENDIAN:
+   case OP_NATIVE:
+   {
+    swap=doendian(c);
+    N=0;
+    break;
+   }
+   case OP_STRING:
+   case OP_ZSTRING:
+   {
+    size_t l;
+    const char *a=luaL_checklstring(L,i++,&l);
+    luaL_addlstring(&b,a,l+(c==OP_ZSTRING));
+    break;
+   }
+   PACKSTRING(OP_BSTRING, unsigned char)
+   PACKSTRING(OP_WSTRING, unsigned short)
+   PACKSTRING(OP_SSTRING, size_t)
+   PACKNUMBER(OP_NUMBER, lua_Number)
+   PACKNUMBER(OP_DOUBLE, double)
+   PACKNUMBER(OP_FLOAT, float)
+   PACKNUMBER(OP_CHAR, char)
+   PACKNUMBER(OP_BYTE, unsigned char)
+   PACKNUMBER(OP_SHORT, short)
+   PACKNUMBER(OP_USHORT, unsigned short)
+   PACKNUMBER(OP_INT, int)
+   PACKNUMBER(OP_UINT, unsigned int)
+   PACKNUMBER(OP_LONG, long)
+   PACKNUMBER(OP_ULONG, unsigned long)
+  case OP_HEX:
+    { // doing digit parsing the lpack way
+      unsigned char sbyte = 0;
+      size_t l;
+      unsigned int ii = 0;
+      int odd = 0;
+      const char *a = luaL_checklstring(L, i++, &l);
+      for (ii = 0; ii < l; ii++) {
+    if (isxdigit((int) (unsigned char) a[ii])) {
+      if (isdigit((int) (unsigned char) a[ii])) {
+        sbyte += a[ii] - '0';
+        odd++;
+      } else if (a[ii] >= 'A' && a[ii] <= 'F') {
+        sbyte += a[ii] - 'A' + 10;
+        odd++;
+      } else if (a[ii] >= 'a' && a[ii] <= 'f') {
+        sbyte += a[ii] - 'a' + 10;
+        odd++;
+      }
+      if (odd == 1) {
+        sbyte = sbyte << 4;
+      } else if (odd == 2) {
+        luaL_addlstring(&b, (char *) &sbyte, 1);
+        sbyte = 0;
+        odd = 0;
+      }
+    } else if (isspace(a[ii])) {
+      /* ignore */
+    } else {
+      /* err ... ignore too*/
+    }
+      }
+      if (odd == 1) {
+    luaL_addlstring(&b, (char *) &sbyte, 1);
+      }
+      break;
+    }
+   case ' ': case ',':
+    break;
+   default:
+    badcode(L,c);
+    break;
+  }
+ }
+ luaL_pushresult(&b);
+ return 1;
+}
+
+static const luaL_Reg binlib[] =
+{
+	{"pack",	l_pack},
+	{"unpack",	l_unpack},
+	{NULL,	NULL}
+};
+
+LUALIB_API int luaopen_binlib (lua_State *L) {
+  luaL_newlib(L, binlib);
+  return 1;
+}
+/*
+** Open bin library
+*/
+int set_bin_library (lua_State *L) {
+
+   luaL_requiref(L, "bin", luaopen_binlib, 1);
+   lua_pop(L, 1);
+  return 1;
+}
+

client/pm3_binlib.h

@@ -0,0 +1,7 @@
+#ifndef PM3_BINLIB
+#define PM3_BINLIB
+
+#include <lua.h>
+int set_bin_library (lua_State *L);
+
+#endif /* PM3_BINLIB */

client/scripting.c

@@ -44,7 +44,7 @@ static int l_SendCommand(lua_State *L){
     const char *data = luaL_checklstring(L, 1, &size);
     if(size != sizeof(UsbCommand))
     {
-        printf("Got data size %d, expected %d" , size,sizeof(UsbCommand));
+        printf("Got data size %d, expected %d" , (int) size,(int) sizeof(UsbCommand));
         lua_pushstring(L,"Wrong data size");
         return 1;
     }
@@ -106,7 +106,7 @@ static int l_WaitForResponseTimeout(lua_State *L){
 static int l_nonce2key(lua_State *L){ return CmdHF14AMfRdSc(luaL_checkstring(L, 1));}
 static int l_PrintAndLog(lua_State *L){ return CmdHF14AMfDump(luaL_checkstring(L, 1));}
 
-void set_pm3_libraries(lua_State *L)
+int set_pm3_libraries(lua_State *L)
 {
     static const luaL_Reg libs[] = {
         {"SendCommand",                 l_SendCommand},

client/scripting.h

@@ -18,6 +18,6 @@
  * @param L
  */
 
-void set_pm3_libraries(lua_State *L);
+int set_pm3_libraries(lua_State *L);
 
 #endif

client/scripts/mifare.lua

@@ -8,7 +8,30 @@ print("core.SendCommand", core.SendCommand)
 print("core.WaitForResponseTimeout", core.WaitForResponseTimeout)
 print("core.nonce2key", core.nonce2key)
 -- To actually send something meaningful, we need to include the 'Binlib' or 'lpack' library. 
-local x = core.SendCommand("aaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000ggggaaaabbbb2222111100000gggg12345678901234567890123456789012345678901234")
+local cmd = 0x0611 -- CMD_READER_MIFARE - uint_64
-local result = core.WaitForResponseTimeout(0x0611,1000)
+local arg1, arg2, arg3  = "0","0","0" -- 3 x uint_64
+local d  =  string.rep("00",512)-- 512 bytes
+local usbcommand = bin.pack("LLLLH",cmd, arg1, arg2, arg3,d);
+print("len(usbcommand): ", string.len(usbcommand));
+local x = core.SendCommand(usbcommand);
+local result
+repeat 
+	result = core.WaitForResponseTimeout(cmd,1000)
+	print(".")
+until result
+
+local r_cmd, r_arg1, r_arg2, r_arg3,r_data;
+--[[
+response = bin.unpack()
+isOK  = resp.arg[0] & 0xff;
+	
+uid = (uint32_t)bytes_to_num(resp.d.asBytes +  0, 4);
+nt =  (uint32_t)bytes_to_num(resp.d.asBytes +  4, 4);
+par_list = bytes_to_num(resp.d.asBytes +  8, 8);
+ks_list = bytes_to_num(resp.d.asBytes +  16, 8);
+	
+
+end
+--]]
 --- Oh, and nonce2Key is not 'glued' yet. 
 print("err", result)