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iceman1001 2024-04-22 09:23:22 +02:00
commit d340de388d
2 changed files with 21 additions and 7 deletions
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21
client/src/cmdlfem4x50.c
View file

@ -63,10 +63,10 @@ static void em4x50_print_result(const em4x50_word_t *words, int fwr, int lwr) {
s = _YELLOW_("control cfg ( locked )"); s = _YELLOW_("control cfg ( locked )");
break; break;
case EM4X50_DEVICE_SERIAL: case EM4X50_DEVICE_SERIAL:
s = _YELLOW_("device serial number ( RO )"); s = _YELLOW_("serial number ( RO )");
break; break;
case EM4X50_DEVICE_ID: case EM4X50_DEVICE_ID:
s = _YELLOW_("device identification ( RO )"); s = _YELLOW_("device id ( RO )");
break; break;
default: default:
s = "user data"; s = "user data";
@ -602,8 +602,11 @@ int read_em4x50_uid(void) {
}; };
em4x50_word_t words[EM4X50_NO_WORDS]; em4x50_word_t words[EM4X50_NO_WORDS];
int res = em4x50_read(&etd, words); int res = em4x50_read(&etd, words);
if (res == PM3_SUCCESS) if (res == PM3_SUCCESS) {
PrintAndLogEx(INFO, " Serial: " _GREEN_("%s"), sprint_hex(words[EM4X50_DEVICE_SERIAL].byte, 4)); PrintAndLogEx(INFO, " Serial: " _GREEN_("%s"), sprint_hex(words[EM4X50_DEVICE_SERIAL].byte, 4));
} else {
SendCommandNG(CMD_BREAK_LOOP, NULL, 0);
}
return res; return res;
} }
@ -612,7 +615,10 @@ int read_em4x50_uid(void) {
// read protected) -> selective read mode // read protected) -> selective read mode
int em4x50_read(em4x50_data_t *etd, em4x50_word_t *out) { int em4x50_read(em4x50_data_t *etd, em4x50_word_t *out) {
em4x50_data_t edata = { .pwd_given = false, .addr_given = false }; em4x50_data_t edata = {
.pwd_given = false,
.addr_given = false,
};
if (etd != NULL) { if (etd != NULL) {
edata = *etd; edata = *etd;
@ -630,9 +636,10 @@ int em4x50_read(em4x50_data_t *etd, em4x50_word_t *out) {
return PM3_ESOFT; return PM3_ESOFT;
} }
uint8_t *data = resp.data.asBytes; em4x50_read_data_response_t *o = (em4x50_read_data_response_t *)resp.data.asBytes;
em4x50_word_t words[EM4X50_NO_WORDS] = {0}; em4x50_word_t words[EM4X50_NO_WORDS] = {0};
em4x50_prepare_result(data, etd->addresses & 0xFF, (etd->addresses >> 8) & 0xFF, words); em4x50_prepare_result((uint8_t *)o->words, etd->addresses & 0xFF, (etd->addresses >> 8) & 0xFF, words);
if (out != NULL) { if (out != NULL) {
memcpy(out, &words, sizeof(em4x50_word_t) * EM4X50_NO_WORDS); memcpy(out, &words, sizeof(em4x50_word_t) * EM4X50_NO_WORDS);
@ -1331,7 +1338,7 @@ static command_t CommandTable[] = {
{"help", CmdHelp, AlwaysAvailable, "This help"}, {"help", CmdHelp, AlwaysAvailable, "This help"},
{"-----------", CmdHelp, AlwaysAvailable, "--------------------- " _CYAN_("operations") " ---------------------"}, {"-----------", CmdHelp, AlwaysAvailable, "--------------------- " _CYAN_("operations") " ---------------------"},
{"brute", CmdEM4x50Brute, IfPm3EM4x50, "Bruteforce attack to find password"}, {"brute", CmdEM4x50Brute, IfPm3EM4x50, "Bruteforce attack to find password"},
{"chk", CmdEM4x50Chk, IfPm3EM4x50, "Check passwords from dictionary"}, {"chk", CmdEM4x50Chk, IfPm3EM4x50, "Check passwords"},
{"dump", CmdEM4x50Dump, IfPm3EM4x50, "Dump EM4x50 tag"}, {"dump", CmdEM4x50Dump, IfPm3EM4x50, "Dump EM4x50 tag"},
{"info", CmdEM4x50Info, IfPm3EM4x50, "Tag information"}, {"info", CmdEM4x50Info, IfPm3EM4x50, "Tag information"},
{"login", CmdEM4x50Login, IfPm3EM4x50, "Login into EM4x50 tag"}, {"login", CmdEM4x50Login, IfPm3EM4x50, "Login into EM4x50 tag"},

7
include/em4x50.h
View file

@ -23,6 +23,7 @@
#include "bruteforce.h" #include "bruteforce.h"
#define EM4X50_NO_WORDS 34 #define EM4X50_NO_WORDS 34
#define EM4X50_SIZE_WORD 4
// special words // special words
#define EM4X50_DEVICE_PASSWORD 0 #define EM4X50_DEVICE_PASSWORD 0
@ -71,6 +72,12 @@ typedef struct {
uint8_t byte[4]; uint8_t byte[4];
} PACKED em4x50_word_t; } PACKED em4x50_word_t;
typedef struct {
uint8_t count;
uint32_t *words;
} PACKED em4x50_read_data_response_t;
// Global variables...
extern bool g_Login; extern bool g_Login;
extern bool g_WritePasswordProcess; extern bool g_WritePasswordProcess;
extern uint32_t g_Password; extern uint32_t g_Password;