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ADD: HF 14A READER is now able to see if a presented card responses to the chinese magic backdoor commands.

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FIX: simple namechange of some defines where it hinted it was related to "eml" when it wasn't.
This commit is contained in:
iceman1001 2014-12-26 21:32:58 +01:00
commit d52e4e8819
6 changed files with 73 additions and 39 deletions
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7
armsrc/appmain.c
View file

@ -854,12 +854,15 @@ void UsbPacketReceived(uint8_t *packet, int len)
break;
// Work with "magic Chinese" card
case CMD_MIFARE_EML_CSETBLOCK:
case CMD_MIFARE_CSETBLOCK:
MifareCSetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
break;
case CMD_MIFARE_EML_CGETBLOCK:
case CMD_MIFARE_CGETBLOCK:
MifareCGetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
break;
case CMD_MIFARE_CIDENT:
MifareCIdent();
break;
// mifare sniffer
case CMD_MIFARE_SNIFFER:

1
armsrc/apps.h
View file

@ -211,6 +211,7 @@ void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain)
void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain);
void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain); // Work with "magic Chinese" card
void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain);
void MifareCIdent(); // is "magic chinese" card?
// mifaredesfire.h
bool InitDesfireCard();

70
armsrc/mifarecmd.c
View file

@ -937,29 +937,22 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
// variables
byte_t isOK = 0;
uint8_t uid[10];
uint8_t d_block[18];
uint8_t uid[10] = {0x00};
uint8_t d_block[18] = {0x00};
uint32_t cuid;
memset(uid, 0x00, 10);
uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
// reset FPGA and LED
if (workFlags & 0x08) {
iso14a_clear_trace();
iso14a_set_tracing(TRUE);
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
LED_A_ON();
LED_B_OFF();
LED_C_OFF();
//SpinDelay(300);
//FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
//SpinDelay(100);
//FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
iso14a_clear_trace();
iso14a_set_tracing(TRUE);
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
}
while (true) {
@ -967,7 +960,6 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
// get UID from chip
if (workFlags & 0x01) {
if(!iso14443a_select_card(uid, NULL, &cuid)) {
Dbprintf("ICE");
if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");
break;
};
@ -1065,28 +1057,20 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
// variables
byte_t isOK = 0;
uint8_t data[18];
uint8_t data[18] = {0x00};
uint32_t cuid = 0;
memset(data, 0x00, 18);
uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
if (workFlags & 0x08) {
// clear trace
iso14a_clear_trace();
iso14a_set_tracing(TRUE);
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
LED_A_ON();
LED_B_OFF();
LED_C_OFF();
// SpinDelay(300);
// FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
// SpinDelay(100);
// FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);
iso14a_clear_trace();
iso14a_set_tracing(TRUE);
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
}
while (true) {
@ -1132,3 +1116,35 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai
}
}
void MifareCIdent(){
// card commands
uint8_t wupC1[] = { 0x40 };
uint8_t wupC2[] = { 0x43 };
// variables
byte_t isOK = 1;
uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
ReaderTransmitBitsPar(wupC1,7,0, NULL);
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
isOK = 0;
};
ReaderTransmit(wupC2, sizeof(wupC2), NULL);
if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) {
isOK = 0;
};
if (mifare_classic_halt(NULL, 0)) {
isOK = 0;
};
cmd_send(CMD_ACK,isOK,0,0,0,0);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
}

4
armsrc/mifaredesfire.c
View file

@ -24,11 +24,11 @@ bool InitDesfireCard(){
byte_t cardbuf[USB_CMD_DATA_SIZE];
memset(cardbuf,0,sizeof(cardbuf));
iso14a_card_select_t *card = (iso14a_card_select_t*)cardbuf;
iso14a_set_tracing(TRUE);
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
iso14a_card_select_t *card = (iso14a_card_select_t*)cardbuf;
int len = iso14443a_select_card(NULL,card,NULL);
if (!len) {
@ -350,7 +350,7 @@ size_t CreateAPDU( uint8_t *datain, size_t len, uint8_t *dataout){
cmd[0] = 0x0A; // 0x0A = skicka cid, 0x02 = ingen cid. Särskilda bitar //
cmd[0] |= pcb_blocknum; // OR the block number into the PCB
cmd[1] = 0x00; // CID: 0x00 //FIXME: allow multiple selected cards
cmd[1] = 0x00; // CID: 0x00 //TODO: allow multiple selected cards
memcpy(cmd+2, datain, len);
AppendCrc14443a(cmd, len+2);

23
client/cmdhf14a.c
View file

@ -225,12 +225,6 @@ int CmdHF14AReader(const char *Cmd)
memcpy(&card.ats, resp.d.asBytes, resp.arg[0]);
card.ats_len = resp.arg[0]; // note: ats_len includes CRC Bytes
}
// disconnect
c.arg[0] = 0;
c.arg[1] = 0;
c.arg[2] = 0;
SendCommand(&c);
if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
bool ta1 = 0, tb1 = 0, tc1 = 0;
@ -370,6 +364,23 @@ int CmdHF14AReader(const char *Cmd)
PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
}
// try to see if card responses to "chinese magic backdoor" commands.
c.cmd = CMD_MIFARE_CIDENT;
c.arg[0] = 0;
c.arg[1] = 0;
c.arg[2] = 0;
SendCommand(&c);
WaitForResponse(CMD_ACK,&resp);
uint8_t isOK = resp.arg[0] & 0xff;
PrintAndLog(" Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
// disconnect
c.arg[0] = 0;
c.arg[1] = 0;
c.arg[2] = 0;
SendCommand(&c);
return select_status;
}

7
include/usb_cmd.h
View file

@ -137,8 +137,11 @@ typedef struct {
#define CMD_MIFARE_EML_MEMSET 0x0602
#define CMD_MIFARE_EML_MEMGET 0x0603
#define CMD_MIFARE_EML_CARDLOAD 0x0604
#define CMD_MIFARE_EML_CSETBLOCK 0x0605
#define CMD_MIFARE_EML_CGETBLOCK 0x0606
// magic chinese card commands
#define CMD_MIFARE_CSETBLOCK 0x0605
#define CMD_MIFARE_CGETBLOCK 0x0606
#define CMD_MIFARE_CIDENT 0x0607
#define CMD_SIMULATE_MIFARE_CARD 0x0610