X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/60e8657796583774aae6f8f4937d008ed12cb04d..323e05cc20b9c6f3235e6b94046f9aa587643c87:/client/scripting.c?ds=sidebyside diff --git a/client/scripting.c b/client/scripting.c index 181c4ca0..64fb2a8f 100644 --- a/client/scripting.c +++ b/client/scripting.c @@ -1,5 +1,6 @@ //----------------------------------------------------------------------------- // Copyright (C) 2013 m h swende +// Modified 2015,2016, iceman // // This code is licensed to you under the terms of the GNU GPL, version 2 or, // at your option, any later version. See the LICENSE.txt file for the text of @@ -7,22 +8,8 @@ //----------------------------------------------------------------------------- // Some lua scripting glue to proxmark core. //----------------------------------------------------------------------------- - -#include -#include -#include -#include "proxmark3.h" -#include "usb_cmd.h" -#include "cmdmain.h" #include "scripting.h" -#include "util.h" -#include "nonce2key/nonce2key.h" -#include "../common/iso15693tools.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 +39,11 @@ 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 } @@ -96,11 +82,10 @@ static int l_WaitForResponseTimeout(lua_State *L){ } UsbCommand response; - 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 +214,27 @@ 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) + */ + size_t size = 0; + const char *data = luaL_checklstring(L, 1, &size); + + unsigned char buf[USB_CMD_DATA_SIZE] = {0x00}; + + for (int i = 0; i < size; i += 2) + sscanf(&data[i], "%02x", (unsigned int *)&buf[i / 2]); + + size /= 2; + ComputeCrc14443(CRC_14443_B, buf, size, &buf[size], &buf[size+1]); + lua_pushlstring(L, (const char *)&buf, size+2); + return 1; +} + /* Simple AES 128 cbc hook up to OpenSSL. params: key, input @@ -347,6 +353,16 @@ static int l_aes128encrypt_ecb(lua_State *L) return 1;// return 1 to signal one return value } +static int l_crc8legic(lua_State *L) +{ + size_t size; + const char *p_str = luaL_checklstring(L, 1, &size); + + uint16_t retval = CRC8Legic( (uint8_t*) p_str, size); + lua_pushinteger(L, (int) retval); + return 1; +} + static int l_crc16(lua_State *L) { size_t size; @@ -391,14 +407,17 @@ static int l_sha1(lua_State *L) static int l_reveng_models(lua_State *L){ - char *models[80]; + // This array needs to be adjusted if RevEng adds more crc-models. + char *models[100]; int count = 0; - lua_Integer in_width = luaL_checkinteger(L, 1); + int in_width = luaL_checkinteger(L, 1); if( in_width > 89 ) return returnToLuaWithError(L,"Width cannot exceed 89, got %d", in_width); - uint32_t width = (uint32_t)in_width; - int ans = GetModels(models, &count, &width); + // This array needs to be adjusted if RevEng adds more crc-models. + uint8_t width[100]; + width[0] = (uint8_t)in_width; + int ans = GetModels(models, &count, width); if (!ans) return 0; lua_newtable(L); @@ -412,6 +431,13 @@ static int l_reveng_models(lua_State *L){ 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 @@ -422,19 +448,14 @@ static int l_reveng_RunModel(lua_State *L){ //result = calculated crc hex string char result[50]; - size_t dataLen; - const char *inModel = luaL_checklstring(L, 1, &dataLen); - if ( dataLen < 4 ) return returnToLuaWithError(L,"Can't find model, got %s", inModel); - - const char *inHexStr = luaL_checklstring(L, 2, &dataLen); - if ( dataLen < 4 ) return returnToLuaWithError(L,"Hex string too short, got %d", dataLen); - - int reverse = luaL_checkinteger(L, 3); - const char *endian = luaL_checklstring(L, 4, &dataLen); + 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, (bool)reverse, (char*)endian, result); + // 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"); @@ -466,7 +487,6 @@ int setLuaPath( lua_State* L, const char* path ) return 0; // all done! } - int set_pm3_libraries(lua_State *L) { @@ -480,10 +500,12 @@ 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}, {"aes128_encrypt_ecb", l_aes128encrypt_ecb}, + {"crc8legic", l_crc8legic}, {"crc16", l_crc16}, {"crc64", l_crc64}, {"sha1", l_sha1},