X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/1c4c0b068131edc4bc382b767e26dae494e0d4c3..300bb58ac13c6f52ad7070fe420305db80cbc30e:/client/scripting.c

diff --git a/client/scripting.c b/client/scripting.c
index 6b26ec59..10d554a0 100644
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -18,10 +18,12 @@
 #include "util.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
@@ -159,7 +161,7 @@ static int l_nonce2key(lua_State *L){
 	uint8_t dest_key[8];
 	num_to_bytes(key,sizeof(dest_key),dest_key);
 
-	//printf("Pushing to lua stack: %012"llx"\n",key);
+	//printf("Pushing to lua stack: %012" PRIx64 "\n",key);
 	lua_pushlstring(L,(const char *) dest_key,sizeof(dest_key));
 
 	return 2; //Two return values
@@ -228,6 +230,27 @@ 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
@@ -388,6 +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.
@@ -426,6 +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},
@@ -433,6 +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}
 	};
 
@@ -454,7 +536,11 @@ int set_pm3_libraries(lua_State *L)
 
 	//-- Last but not least, add to the LUA_PATH (package.path in lua)
 	// so we can load libraries from the ./lualib/ - directory
-	setLuaPath(L,"./lualibs/?.lua");
+	char libraries_path[strlen(get_my_executable_directory()) + strlen(LUA_LIBRARIES_DIRECTORY) + strlen(LUA_LIBRARIES_WILDCARD) + 1];
+	strcpy(libraries_path, get_my_executable_directory());
+	strcat(libraries_path, LUA_LIBRARIES_DIRECTORY);
+	strcat(libraries_path, LUA_LIBRARIES_WILDCARD);
+	setLuaPath(L, libraries_path);
 
 	return 1;
 }