X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b18948fd92623d0fc62ce497fe8100a41d3b1e49..6f79363dba7882b00544625b730109bdb9f96c8d:/client/scripting.c?ds=sidebyside 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} };