X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b18948fd92623d0fc62ce497fe8100a41d3b1e49..ca3ed459283f056e713ab7fd5333ce2d79cc50b0:/client/scripting.c

diff --git a/client/scripting.c b/client/scripting.c
index b979b652..5d9ce55a 100644
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -16,13 +16,14 @@
 #include "cmdmain.h"
 #include "scripting.h"
 #include "util.h"
-#include "ui.h"
 #include "nonce2key/nonce2key.h"
 #include "../common/iso15693tools.h"
+#include "iso14443crc.h"
 #include "../common/crc16.h"
 #include "../common/crc64.h"
 #include "../common/sha1.h"
 #include "aes.h"
+#include "cmdcrc.h"
 /**
  * The following params expected:
  *  UsbCommand c
@@ -52,12 +53,11 @@ 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" , (int) size,(int) sizeof(UsbCommand));
+		printf("Got data size %d, expected %d" , (int) size,(int) sizeof(UsbCommand));
         lua_pushstring(L,"Wrong data size");
         return 1;
     }
 
-//    UsbCommand c = (*data);
     SendCommand((UsbCommand* )data);
     return 0; // no return values
 }
@@ -100,7 +100,7 @@ static int l_WaitForResponseTimeout(lua_State *L){
     if(WaitForResponseTimeout(cmd, &response, ms_timeout))
     {
         //Push it as a string
-         lua_pushlstring(L,(const char *)&response,sizeof(UsbCommand));
+         lua_pushlstring(L,(const char *)&response, sizeof(UsbCommand));
 
         return 1;// return 1 to signal one return value
     }else{
@@ -229,6 +229,28 @@ static int l_iso15693_crc(lua_State *L)
     return 1;
 }
 
+static int l_iso14443b_crc(lua_State *L)
+{
+	/* void ComputeCrc14443(int CrcType,
+                     const unsigned char *Data, int Length,
+                     unsigned char *TransmitFirst,
+                     unsigned char *TransmitSecond)
+	*/
+	unsigned char buf[USB_CMD_DATA_SIZE];
+    size_t len = 0;	
+    const char *data = luaL_checklstring(L, 1, &len);
+	if (USB_CMD_DATA_SIZE < len)
+		len =  USB_CMD_DATA_SIZE-2;
+	
+	for (int i = 0; i < len; i += 2) {
+		sscanf(&data[i], "%02x", (unsigned int *)&buf[i / 2]);
+	}	
+	ComputeCrc14443(CRC_14443_B, buf, len, &buf[len], &buf[len+1]);
+	
+    lua_pushlstring(L, (const char *)&buf, len+2);
+    return 1;
+}
+
 /*
  Simple AES 128 cbc hook up to OpenSSL.
  params:  key, input
@@ -347,7 +369,6 @@ static int l_aes128encrypt_ecb(lua_State *L)
 	return 1;// return 1 to signal one return value
 }
 
-
 static int l_crc16(lua_State *L)
 {
 	size_t size;
@@ -380,8 +401,8 @@ static int l_crc64(lua_State *L)
 	return 1;
 }
 
-static int l_sha1(lua_State *L){
-
+static int l_sha1(lua_State *L)
+{
 	size_t size;
 	const char *p_str = luaL_checklstring(L, 1, &size);	
 	unsigned char outdata[20] = {0x00};                                                                                                                                                                     
@@ -390,6 +411,62 @@ static int l_sha1(lua_State *L){
     return 1;	
 }
 
+static int l_reveng_models(lua_State *L){
+
+	char *models[80];
+	int count = 0;
+	int in_width = luaL_checkinteger(L, 1);
+	
+	if( in_width > 89 ) return returnToLuaWithError(L,"Width cannot exceed 89, got %d", in_width);
+
+	uint8_t width[80];
+	width[0] = (uint8_t)in_width;
+	int ans = GetModels(models, &count, width);
+	if (!ans) return 0;
+	
+	lua_newtable(L);
+	
+	for (int i = 0; i < count; i++){
+		lua_pushstring(L,  (const char*)models[i]);
+		lua_rawseti(L,-2,i+1);
+		free(models[i]);
+	}
+
+	return 1;
+}
+
+//Called with 4 parameters.
+// inModel   ,string containing the crc model name: 'CRC-8'
+// inHexStr  ,string containing the hex representation of the data that will be used for CRC calculations.
+// reverse   ,int 0/1  (bool) if 1, calculate the reverse CRC
+// endian    ,char,  'B','b','L','l','t','r' describing if Big-Endian or Little-Endian should be used in different combinations.
+//
+// outputs:  string with hex representation of the CRC result
+static int l_reveng_RunModel(lua_State *L){
+	//-c || -v
+	//inModel = valid model name string - CRC-8
+	//inHexStr = input hex string to calculate crc on
+	//reverse = reverse calc option if true
+	//endian = {0 = calc default endian input and output, b = big endian input and output, B = big endian output, r = right justified
+	//          l = little endian input and output, L = little endian output only, t = left justified}
+	//result = calculated crc hex string	
+	char result[50];
+	
+	const char *inModel = luaL_checkstring(L, 1);
+	const char *inHexStr = luaL_checkstring(L, 2);
+    bool reverse =  lua_toboolean(L, 3);
+	const char endian = luaL_checkstring(L, 4)[0];
+
+	//PrintAndLog("mod: %s, hex: %s, rev %d", inModel, inHexStr, reverse);
+	//    int RunModel(char *inModel, char *inHexStr, bool reverse, char endian, char *result)
+	int ans = RunModel( (char *)inModel, (char *)inHexStr, reverse, endian, result);
+	if (!ans) 	
+		return returnToLuaWithError(L,"Reveng failed");
+
+	lua_pushstring(L, (const char*)result); 
+	return 1;
+}
+
 /**
  * @brief Sets the lua path to include "./lualibs/?.lua", in order for a script to be
  * able to do "require('foobar')" if foobar.lua is within lualibs folder.
@@ -428,6 +505,7 @@ int set_pm3_libraries(lua_State *L)
         {"clearCommandBuffer",          l_clearCommandBuffer},
 		{"console",                     l_CmdConsole},
 		{"iso15693_crc",                l_iso15693_crc},
+		{"iso14443b_crc",				l_iso14443b_crc},
 		{"aes128_decrypt",              l_aes128decrypt_cbc},
 		{"aes128_decrypt_ecb",          l_aes128decrypt_ecb},
 		{"aes128_encrypt",              l_aes128encrypt_cbc},		
@@ -435,6 +513,8 @@ int set_pm3_libraries(lua_State *L)
 		{"crc16",                       l_crc16},
 		{"crc64",                       l_crc64},
 		{"sha1",						l_sha1},
+		{"reveng_models",				l_reveng_models},
+		{"reveng_runmodel",				l_reveng_RunModel},
         {NULL, NULL}
     };