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fix hf mf cload - now it allows for proper GDM ic to load mfc ev1 signature data. On uscuid ic which are more locked down it will failed with a message. Dont forget to enable signature for the gdm ic.

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This commit is contained in:
iceman1001 2025-01-15 16:07:13 +01:00
commit cb7109e751
4 changed files with 52 additions and 13 deletions
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35
armsrc/mifarecmd.c
View file

@ -2704,8 +2704,8 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain) {
while (true) {
// read UID and return to client with write
if (workFlags & MAGIC_UID) {
if (!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("Can't select card");
if (iso14443a_select_card(uid, NULL, &cuid, true, 0, true) == 0) {
if (g_dbglevel >= DBG_INFO) Dbprintf("Can't select card");
errormsg = MAGIC_UID;
mifare_classic_halt(NULL);
break;
@ -2717,7 +2717,7 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain) {
if (workFlags & MAGIC_WIPE) {
ReaderTransmitBitsPar(wupC1, 7, NULL, NULL);
if ((ReaderReceive(receivedAnswer, sizeof(receivedAnswer), receivedAnswerPar) == 0) || (receivedAnswer[0] != 0x0a)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("wupC1 error");
if (g_dbglevel >= DBG_INFO) Dbprintf("wupC1 error");
errormsg = MAGIC_WIPE;
break;
}
@ -2730,7 +2730,7 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain) {
ReaderTransmit(wipeC, sizeof(wipeC), NULL);
if ((ReaderReceive(receivedAnswer, sizeof(receivedAnswer), receivedAnswerPar) == 0) || (receivedAnswer[0] != 0x0a)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("wipeC error");
if (g_dbglevel >= DBG_INFO) Dbprintf("wipeC error");
errormsg = MAGIC_WIPE;
break;
}
@ -2742,14 +2742,14 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain) {
if (workFlags & MAGIC_GDM_ALT_WUPC) {
ReaderTransmitBitsPar(wupGDM1, 7, NULL, NULL);
if ((ReaderReceive(receivedAnswer, sizeof(receivedAnswer), receivedAnswerPar) == 0) || (receivedAnswer[0] != 0x0a)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("wupGDM1 error");
if (g_dbglevel >= DBG_INFO) Dbprintf("wupGDM1 error");
errormsg = MAGIC_WUPC;
break;
}
ReaderTransmit(wupGDM2, sizeof(wupC2), NULL);
if ((ReaderReceive(receivedAnswer, sizeof(receivedAnswer), receivedAnswerPar) == 0) || (receivedAnswer[0] != 0x0a)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("wupGDM2 error");
if (g_dbglevel >= DBG_INFO) Dbprintf("wupGDM2 error");
errormsg = MAGIC_WUPC;
break;
}
@ -2774,10 +2774,23 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain) {
}
}
if ((mifare_sendcmd_short(NULL, CRYPT_NONE, ISO14443A_CMD_WRITEBLOCK, blockNo, receivedAnswer, sizeof(receivedAnswer), receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("write block send command error");
errormsg = 4;
break;
// Write signature blocks using GDM write command
if (blockNo >= MIFARE_1K_MAXBLOCK && blockNo < MIFARE_1K_EV1_MAXBLOCK) {
blockNo %= 0x40;
if ((mifare_sendcmd_short(NULL, CRYPT_NONE, MIFARE_MAGIC_GDM_WRITEBLOCK, blockNo, receivedAnswer, sizeof(receivedAnswer), receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
if (g_dbglevel >= DBG_INFO) Dbprintf("Magic write block send command error");
errormsg = 4;
break;
}
} else {
if ((mifare_sendcmd_short(NULL, CRYPT_NONE, ISO14443A_CMD_WRITEBLOCK, blockNo, receivedAnswer, sizeof(receivedAnswer), receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {
if (g_dbglevel >= DBG_INFO) Dbprintf("write block send command error");
errormsg = 5;
break;
}
}
memcpy(data, datain, 16);
@ -2785,7 +2798,7 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain) {
ReaderTransmit(data, sizeof(data), NULL);
if ((ReaderReceive(receivedAnswer, sizeof(receivedAnswer), receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) {
if (g_dbglevel >= DBG_ERROR) Dbprintf("write block send data error");
if (g_dbglevel >= DBG_INFO) Dbprintf("write block send data error");
errormsg = 0;
break;
}

14
armsrc/mifareutil.h
View file

@ -40,13 +40,27 @@
#define MIFARE_4K_MAXBLOCK 256
#define MIFARE_2K_MAXBLOCK 128
#define MIFARE_1K_MAXBLOCK 64
#define MIFARE_1K_EV1_MAXBLOCK (MIFARE_1K_MAXBLOCK + 8)
#define MIFARE_MINI_MAXBLOCK 20
#define MIFARE_MINI_MAXSECTOR 5
#define MIFARE_1K_MAXSECTOR 16
#define MIFARE_1K_EV1_MAXSECTOR (MIFARE_1K_MAXSECTOR + 2)
#define MIFARE_2K_MAXSECTOR 32
#define MIFARE_4K_MAXSECTOR 40
#define MIFARE_4K_MAX_BYTES 4096
#define MIFARE_2K_MAX_BYTES 2048
#define MIFARE_1K_MAX_BYTES 1024
#define MIFARE_1K_EV1_MAX_BYTES (MIFARE_1K_MAX_BYTES + 128)
#define MIFARE_MINI_MAX_BYTES 320
#define MIFARE_MINI_MAX_KEY_SIZE (MIFARE_MINI_MAXSECTOR * 2 * MIFARE_KEY_SIZE)
#define MIFARE_1K_MAX_KEY_SIZE (MIFARE_1K_MAXSECTOR * 2 * MIFARE_KEY_SIZE)
#define MIFARE_1K_EV1_MAX_KEY_SIZE (MIFARE_1K_EV1_MAXSECTOR * 2 * MIFARE_KEY_SIZE)
#define MIFARE_2K_MAX_KEY_SIZE (MIFARE_2K_MAXSECTOR * 2 * MIFARE_KEY_SIZE)
#define MIFARE_4K_MAX_KEY_SIZE (MIFARE_4K_MAXSECTOR * 2 * MIFARE_KEY_SIZE)
#define MIFARE_BLOCK_SIZE 16
//mifare emulator states

1
client/src/cmdhfmf.c
View file

@ -5498,6 +5498,7 @@ static int CmdHF14AMfCLoad(const char *Cmd) {
if (mf_chinese_set_block(blockno, data + (MFBLOCK_SIZE * blockno), NULL, flags)) {
PrintAndLogEx(WARNING, "Can't set magic card block: %d", blockno);
PrintAndLogEx(HINT, "Verify that it is a GDM and not USCUID deriviate");
free(data);
return PM3_ESOFT;
}

15
client/src/mifare/mifarehost.c
View file

@ -1211,16 +1211,27 @@ int mf_chinese_set_block(uint8_t blockNo, uint8_t *data, uint8_t *uid, uint8_t p
SendCommandMIX(CMD_HF_MIFARE_CSETBL, params, blockNo, 0, data, MFBLOCK_SIZE);
PacketResponseNG resp;
if (WaitForResponseTimeout(CMD_ACK, &resp, 3500)) {
uint8_t isOK = resp.oldarg[0] & 0xff;
uint8_t isOK = resp.oldarg[0] & 0xFF;
if (uid != NULL) {
memcpy(uid, resp.data.asBytes, 4);
}
if (!isOK) {
uint8_t reason = (resp.oldarg[1] & 0xFF);
if ( reason == 4) {
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(WARNING, "GDM magic write signature block failed");
} else if (reason == 5) {
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(WARNING, "Write block failed");
}
return PM3_EUNDEF;
}
} else {
PrintAndLogEx(WARNING, "command execution time out");
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(WARNING, "Command execution time out");
return PM3_ETIMEOUT;
}
return PM3_SUCCESS;