X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/d730878d8c932cdbdd1c386e8491af27f3764dae..12f283833bc2a5c5ea62bdad3927d7f90ef49125:/client/scripting.c?ds=sidebyside

diff --git a/client/scripting.c b/client/scripting.c
index 152fd9d4..d68adb3e 100644
--- a/client/scripting.c
+++ b/client/scripting.c
@@ -8,19 +8,24 @@
 // Some lua scripting glue to proxmark core.
 //-----------------------------------------------------------------------------
 
+#include "scripting.h"
+
+#include <stdlib.h>
 #include <lua.h>
 #include <lualib.h>
 #include <lauxlib.h>
 #include "proxmark3.h"
 #include "usb_cmd.h"
 #include "cmdmain.h"
-#include "scripting.h"
 #include "util.h"
-#include "nonce2key/nonce2key.h"
+#include "mifarehost.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
@@ -121,49 +126,27 @@ static int returnToLuaWithError(lua_State *L, const char* fmt, ...)
 	return 2;
 }
 
-static int l_nonce2key(lua_State *L){
-
-	size_t size;
-	const char *p_uid = luaL_checklstring(L, 1, &size);
-	if(size != 4)  return returnToLuaWithError(L,"Wrong size of uid, got %d bytes, expected 4", (int) size);
-
-	const char *p_nt = luaL_checklstring(L, 2, &size);
-	if(size != 4)  return returnToLuaWithError(L,"Wrong size of nt, got %d bytes, expected 4", (int) size);
-
-	const char *p_nr = luaL_checklstring(L, 3, &size);
-	if(size != 4)  return returnToLuaWithError(L,"Wrong size of nr, got %d bytes, expected 4", (int) size);
-
-	const char *p_par_info = luaL_checklstring(L, 4, &size);
-	if(size != 8)  return returnToLuaWithError(L,"Wrong size of par_info, got %d bytes, expected 8", (int) size);
-
-	const char *p_pks_info = luaL_checklstring(L, 5, &size);
-	if(size != 8)  return returnToLuaWithError(L,"Wrong size of ks_info, got %d bytes, expected 8", (int) size);
-
-
-	uint32_t uid = bytes_to_num(( uint8_t *)p_uid,4);
-	uint32_t nt = bytes_to_num(( uint8_t *)p_nt,4);
-
-	uint32_t nr = bytes_to_num(( uint8_t*)p_nr,4);
-	uint64_t par_info = bytes_to_num(( uint8_t *)p_par_info,8);
-	uint64_t ks_info = bytes_to_num(( uint8_t *)p_pks_info,8);
-
-	uint64_t key = 0;
-
-	int retval = nonce2key(uid,nt, nr, par_info,ks_info, &key);
+static int l_mfDarkside(lua_State *L){
 
+	uint64_t key;
+	
+	int retval = mfDarkside(&key);
+	
 	//Push the retval on the stack
-	lua_pushinteger(L,retval);
+	lua_pushinteger(L, retval);
 
 	//Push the key onto the stack
 	uint8_t dest_key[8];
-	num_to_bytes(key,sizeof(dest_key),dest_key);
+	num_to_bytes(key, sizeof(dest_key), dest_key);
 
-	//printf("Pushing to lua stack: %012"llx"\n",key);
-	lua_pushlstring(L,(const char *) dest_key,sizeof(dest_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
 }
+
 //static int l_PrintAndLog(lua_State *L){ return CmdHF14AMfDump(luaL_checkstring(L, 1));}
+
 static int l_clearCommandBuffer(lua_State *L){
 	clearCommandBuffer();
 	return 0;
@@ -227,11 +210,32 @@ 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
 */
-static int l_aes128decrypt(lua_State *L)
+static int l_aes128decrypt_cbc(lua_State *L)
 {
 	//Check number of arguments
 	int i;
@@ -260,7 +264,36 @@ static int l_aes128decrypt(lua_State *L)
 	lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
 	return 1;// return 1 to signal one return value
 }
-static int l_aes128encrypt(lua_State *L)
+static int l_aes128decrypt_ecb(lua_State *L)
+{
+	//Check number of arguments
+	int i;
+	size_t size;
+	const char *p_key = luaL_checklstring(L, 1, &size);
+	if(size != 32)  return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);
+
+	const char *p_encTxt = luaL_checklstring(L, 2, &size);
+
+	unsigned char indata[16] = {0x00};
+	unsigned char outdata[16] = {0x00};
+	unsigned char aes_key[16] = {0x00};
+
+	// convert key to bytearray and convert input to bytearray
+	for (i = 0; i < 32; i += 2) {
+		sscanf(&p_encTxt[i], "%02x", (unsigned int *)&indata[i / 2]);
+		sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
+	}
+	aes_context ctx;
+	aes_init(&ctx);
+	aes_setkey_dec(&ctx, aes_key, 128);
+	aes_crypt_ecb(&ctx, AES_DECRYPT, indata, outdata );
+
+	//Push decrypted array as a string
+	lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+	return 1;// return 1 to signal one return value
+}
+
+static int l_aes128encrypt_cbc(lua_State *L)
 {
 	//Check number of arguments
 	int i;
@@ -289,6 +322,33 @@ static int l_aes128encrypt(lua_State *L)
 	return 1;// return 1 to signal one return value
 }
 
+static int l_aes128encrypt_ecb(lua_State *L)
+{
+	//Check number of arguments
+	int i;
+	size_t size;
+	const char *p_key = luaL_checklstring(L, 1, &size);
+	if(size != 32)  return returnToLuaWithError(L,"Wrong size of key, got %d bytes, expected 32", (int) size);
+
+	const char *p_txt = luaL_checklstring(L, 2, &size);
+
+	unsigned char indata[16] = {0x00};
+	unsigned char outdata[16] = {0x00};
+	unsigned char aes_key[16] = {0x00};
+
+	for (i = 0; i < 32; i += 2) {
+		sscanf(&p_txt[i], "%02x", (unsigned int *)&indata[i / 2]);
+		sscanf(&p_key[i], "%02x", (unsigned int *)&aes_key[i / 2]);
+	}
+	aes_context ctx;
+	aes_init(&ctx);
+	aes_setkey_enc(&ctx, aes_key, 128);
+	aes_crypt_ecb(&ctx, AES_ENCRYPT, indata, outdata );
+	//Push encrypted array as a string
+	lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+	return 1;// return 1 to signal one return value
+}
+
 static int l_crc16(lua_State *L)
 {
 	size_t size;
@@ -321,6 +381,72 @@ static int l_crc64(lua_State *L)
 	return 1;
 }
 
+static int l_sha1(lua_State *L)
+{
+	size_t size;
+	const char *p_str = luaL_checklstring(L, 1, &size);
+	unsigned char outdata[20] = {0x00};
+	sha1( (uint8_t*) p_str, size, outdata);
+	lua_pushlstring(L,(const char *)&outdata, sizeof(outdata));
+	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.
@@ -352,17 +478,23 @@ int set_pm3_libraries(lua_State *L)
 	static const luaL_Reg libs[] = {
 		{"SendCommand",                 l_SendCommand},
 		{"WaitForResponseTimeout",      l_WaitForResponseTimeout},
-		{"nonce2key",                   l_nonce2key},
+		{"mfDarkside",                  l_mfDarkside},
 		//{"PrintAndLog",                 l_PrintAndLog},
 		{"foobar",                      l_foobar},
 		{"ukbhit",                      l_ukbhit},
 		{"clearCommandBuffer",          l_clearCommandBuffer},
 		{"console",                     l_CmdConsole},
 		{"iso15693_crc",                l_iso15693_crc},
-		{"aes128_decrypt",              l_aes128decrypt},
-		{"aes128_encrypt",              l_aes128encrypt},
+		{"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},
 		{"crc16",                       l_crc16},
 		{"crc64",                       l_crc64},
+		{"sha1",                        l_sha1},
+		{"reveng_models",               l_reveng_models},
+		{"reveng_runmodel",             l_reveng_RunModel},
 		{NULL, NULL}
 	};
 
@@ -384,7 +516,11 @@ 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;
 }