FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
int selected = 0;
- int playing = 0;
+ int playing = 0, iGotoRecord = 0, iGotoClone = 0;
int cardRead[OPTS] = {0};
uint8_t readUID[10] = {0};
uint32_t uid_1st[OPTS]={0};
uint32_t uid_2nd[OPTS]={0};
+ uint32_t uid_tmp1 = 0;
+ uint32_t uid_tmp2 = 0;
+ iso14a_card_select_t hi14a_card[OPTS];
LED(selected + 1, 0);
{
usb_poll();
WDT_HIT();
-
- // Was our button held down or pressed?
- int button_pressed = BUTTON_HELD(1000);
SpinDelay(300);
- // Button was held for a second, begin recording
- if (button_pressed > 0 && cardRead[selected] == 0)
+ if (iGotoRecord == 1 || cardRead[selected] == 0)
{
+ iGotoRecord = 0;
LEDsoff();
LED(selected + 1, 0);
LED(LED_RED2, 0);
// record
Dbprintf("Enabling iso14443a reader mode for [Bank: %u]...", selected);
-
- // wait for button to be released
- while(BUTTON_PRESS())
- WDT_HIT();
/* need this delay to prevent catching some weird data */
SpinDelay(500);
/* Code for reading from 14a tag */
for ( ; ; )
{
WDT_HIT();
- if (!iso14443a_select_card(uid, NULL, &cuid))
+ if (BUTTON_PRESS()) {
+ if (cardRead[selected]) {
+ Dbprintf("Button press detected -- replaying card in bank[%d]", selected);
+ break;
+ }
+ else if (cardRead[(selected+1)%OPTS]) {
+ Dbprintf("Button press detected but no card in bank[%d] so playing from bank[%d]", selected, (selected+1)%OPTS);
+ selected = (selected+1)%OPTS;
+ break; // playing = 1;
+ }
+ else {
+ Dbprintf("Button press detected but no stored tag to play. (Ignoring button)");
+ SpinDelay(300);
+ }
+ }
+ if (!iso14443a_select_card(uid, &hi14a_card[selected], &cuid))
continue;
else
{
Dbprintf("Read UID:"); Dbhexdump(10,uid,0);
memcpy(readUID,uid,10*sizeof(uint8_t));
- uint8_t *dst = (uint8_t *)&uid_1st[selected];
+ uint8_t *dst = (uint8_t *)&uid_tmp1;
// Set UID byte order
for (int i=0; i<4; i++)
dst[i] = uid[3-i];
- dst = (uint8_t *)&uid_2nd[selected];
+ dst = (uint8_t *)&uid_tmp2;
for (int i=0; i<4; i++)
dst[i] = uid[7-i];
+ if (uid_1st[(selected+1)%OPTS] == uid_tmp1 && uid_2nd[(selected+1)%OPTS] == uid_tmp2) {
+ Dbprintf("Card selected has same UID as what is stored in the other bank. Skipping.");
+ }
+ else {
+ if (uid_tmp2) {
+ Dbprintf("Bank[%d] received a 7-byte UID",selected);
+ uid_1st[selected] = (uid_tmp1)>>8;
+ uid_2nd[selected] = (uid_tmp1<<24) + (uid_tmp2>>8);
+ }
+ else {
+ Dbprintf("Bank[%d] received a 4-byte UID",selected);
+ uid_1st[selected] = uid_tmp1;
+ uid_2nd[selected] = uid_tmp2;
+ }
break;
}
}
+ }
+ Dbprintf("ATQA = %02X%02X",hi14a_card[selected].atqa[0],hi14a_card[selected].atqa[1]);
+ Dbprintf("SAK = %02X",hi14a_card[selected].sak);
LEDsoff();
LED(LED_GREEN, 200);
LED(LED_ORANGE, 200);
LEDsoff();
LED(selected + 1, 0);
- // Finished recording
- // If we were previously playing, set playing off
- // so next button push begins playing what we recorded
- playing = 0;
+ // Next state is replay:
+ playing = 1;
cardRead[selected] = 1;
-
}
- /* MF UID clone */
- else if (button_pressed > 0 && cardRead[selected] == 1)
+ /* MF Classic UID clone */
+ else if (iGotoClone==1)
{
+ iGotoClone=0;
LEDsoff();
LED(selected + 1, 0);
LED(LED_ORANGE, 250);
break;
case CMD_MIFARE_CGETBLOCK:
MifareCGetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
- //
break;
mfCSetUID provides example logic for UID set workflow:
*/
uint8_t oldBlock0[16] = {0}, newBlock0[16] = {0}, testBlock0[16] = {0};
// arg0 = Flags == CSETBLOCK_SINGLE_OPER=0x1F, arg1=returnSlot, arg2=blockNo
- MifareCGetBlock(0x1F, 1, 0, oldBlock0);
+ MifareCGetBlock(0x3F, 1, 0, oldBlock0);
+ if (oldBlock0[0] == 0 && oldBlock0[0] == oldBlock0[1] && oldBlock0[1] == oldBlock0[2] && oldBlock0[2] == oldBlock0[3]) {
+ Dbprintf("No changeable tag detected. Returning to replay mode for bank[%d]", selected);
+ playing = 1;
+ }
+ else {
Dbprintf("UID from target tag: %02X%02X%02X%02X", oldBlock0[0],oldBlock0[1],oldBlock0[2],oldBlock0[3]);
memcpy(newBlock0,oldBlock0,16);
// Copy uid_1st for bank (2nd is for longer UIDs not supported if classic)
newBlock0[4] = newBlock0[0]^newBlock0[1]^newBlock0[2]^newBlock0[3];
// arg0 = needWipe, arg1 = workFlags, arg2 = blockNo, datain
MifareCSetBlock(0, 0xFF,0, newBlock0);
- MifareCGetBlock(0x1F, 1, 0, testBlock0);
+ MifareCGetBlock(0x3F, 1, 0, testBlock0);
if (memcmp(testBlock0,newBlock0,16)==0)
{
DbpString("Cloned successfull!");
cardRead[selected] = 0; // Only if the card was cloned successfully should we clear it
- }
- LEDsoff();
- LED(selected + 1, 0);
- // Finished recording
-
- // If we were previously playing, set playing off
- // so next button push begins playing what we recorded
playing = 0;
+ iGotoRecord = 1;
+ selected = (selected + 1) % OPTS;
+ }
+ else {
+ Dbprintf("Clone failed. Back to replay mode on bank[%d]", selected);
+ playing = 1;
+ }
+ }
+ LEDsoff();
+ LED(selected + 1, 0);
}
// Change where to record (or begin playing)
- else if (button_pressed && cardRead[selected])
+ else if (playing==1) // button_pressed == BUTTON_SINGLE_CLICK && cardRead[selected])
{
- // Next option if we were previously playing
- if (playing)
- selected = (selected + 1) % OPTS;
- playing = !playing;
-
LEDsoff();
LED(selected + 1, 0);
{
LED(LED_GREEN, 0);
DbpString("Playing");
- while (!BUTTON_HELD(500)) { // Loop simulating tag until the button is held a half-sec
+ for ( ; ; ) {
+ WDT_HIT();
+ int button_action = BUTTON_HELD(1000);
+ if (button_action == 0) { // No button action, proceed with sim
+ uint8_t data[512] = {0}; // in case there is a read command received we shouldn't break
+ uint8_t flags = ( uid_2nd[selected] > 0x00 ) ? FLAG_7B_UID_IN_DATA : FLAG_4B_UID_IN_DATA;
+ num_to_bytes(uid_1st[selected], 3, data);
+ num_to_bytes(uid_2nd[selected], 4, data);
+
Dbprintf("Simulating ISO14443a tag with uid[0]: %08x, uid[1]: %08x [Bank: %u]", uid_1st[selected],uid_2nd[selected],selected);
- SimulateIso14443aTag(1,uid_1st[selected],uid_2nd[selected],NULL);
+ if (hi14a_card[selected].sak == 8 && hi14a_card[selected].atqa[0] == 4 && hi14a_card[selected].atqa[1] == 0) {
+ DbpString("Mifare Classic");
+ SimulateIso14443aTag(1, flags, data); // Mifare Classic
+ }
+ else if (hi14a_card[selected].sak == 0 && hi14a_card[selected].atqa[0] == 0x44 && hi14a_card[selected].atqa[1] == 0) {
+ DbpString("Mifare Ultralight");
+ SimulateIso14443aTag(2, flags, data); // Mifare Ultralight
+ }
+ else if (hi14a_card[selected].sak == 20 && hi14a_card[selected].atqa[0] == 0x44 && hi14a_card[selected].atqa[1] == 3) {
+ DbpString("Mifare DESFire");
+ SimulateIso14443aTag(3, flags, data); // Mifare DESFire
+ }
+ else {
+ Dbprintf("Unrecognized tag type -- defaulting to Mifare Classic emulation");
+ SimulateIso14443aTag(1, flags, data);
+ }
+ }
+ else if (button_action == BUTTON_SINGLE_CLICK) {
+ selected = (selected + 1) % OPTS;
+ Dbprintf("Done playing. Switching to record mode on bank %d",selected);
+ iGotoRecord = 1;
+ break;
+ }
+ else if (button_action == BUTTON_HOLD) {
+ Dbprintf("Playtime over. Begin cloning...");
+ iGotoClone = 1;
+ break;
}
- //cardRead[selected] = 1;
- Dbprintf("Done playing [Bank: %u]",selected);
+ WDT_HIT();
+ }
/* We pressed a button so ignore it here with a delay */
SpinDelay(300);
-
- // when done, we're done playing, move to next option
- selected = (selected + 1) % OPTS;
- playing = !playing;
LEDsoff();
LED(selected + 1, 0);
}
ReaderIso14443a(c);
break;
case CMD_SIMULATE_TAG_ISO_14443a:
- SimulateIso14443aTag(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes); // ## Simulate iso14443a tag - pass tag type & UID
+ SimulateIso14443aTag(c->arg[0], c->arg[1], c->d.asBytes); // ## Simulate iso14443a tag - pass tag type & UID
break;
case CMD_EPA_PACE_COLLECT_NONCE:
projects / proxmark3-svn / commitdiff