+ // wait for button to be released
+ while(BUTTON_PRESS()) {
+ // Delay cloning until card is in place
+ WDT_HIT();
+ }
+ Dbprintf("Starting clone. [Bank: %u]", selected);
+ // need this delay to prevent catching some weird data
+ SpinDelay(500);
+ // Begin clone function here:
+ /* Example from client/mifarehost.c for commanding a block write for "magic Chinese" cards:
+ UsbCommand c = {CMD_MIFARE_CSETBLOCK, {wantWipe, params & (0xFE | (uid == NULL ? 0:1)), blockNo}};
+ memcpy(c.d.asBytes, data, 16);
+ SendCommand(&c);
+
+ Block read is similar:
+ UsbCommand c = {CMD_MIFARE_CGETBLOCK, {params, 0, blockNo}};
+ We need to imitate that call with blockNo 0 to set a uid.
+
+ The get and set commands are handled in this file:
+ // Work with "magic Chinese" card
+ case CMD_MIFARE_CSETBLOCK:
+ MifareCSetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+ 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:
+ -Read block0 from card in field with MifareCGetBlock()
+ -Configure new values without replacing reserved bytes
+ memcpy(block0, uid, 4); // Copy UID bytes from byte array
+ // Mifare UID BCC
+ block0[4] = block0[0]^block0[1]^block0[2]^block0[3]; // BCC on byte 5
+ Bytes 5-7 are reserved SAK and ATQA for mifare classic
+ -Use mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER) to write it
+ */
+ uint8_t oldBlock0[16] = {0}, newBlock0[16] = {0}, testBlock0[16] = {0};
+ // arg0 = Flags == CSETBLOCK_SINGLE_OPER=0x1F, arg1=returnSlot, arg2=blockNo
+ 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 = true;
+ } 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[0] = uid_1st[selected] >> 24;
+ newBlock0[1] = 0xFF & (uid_1st[selected] >> 16);
+ newBlock0[2] = 0xFF & (uid_1st[selected] >> 8);
+ newBlock0[3] = 0xFF & (uid_1st[selected]);
+ newBlock0[4] = newBlock0[0] ^ newBlock0[1] ^ newBlock0[2] ^ newBlock0[3];
+ // arg0 = needWipe, arg1 = workFlags, arg2 = blockNo, datain
+ MifareCSetBlock(0, 0xFF, 0, newBlock0);
+ MifareCGetBlock(0x3F, 1, 0, testBlock0);
+ if (memcmp(testBlock0, newBlock0, 16) == 0) {
+ DbpString("Cloned successfull!");
+ cardRead[selected] = false; // Only if the card was cloned successfully should we clear it
+ playing = false;
+ GotoRecord = true;
+ selected = (selected+1) % OPTS;
+ } else {
+ Dbprintf("Clone failed. Back to replay mode on bank[%d]", selected);
+ playing = true;
+ }
+ }
+ LEDsoff();
+ LED(selected + 1, 0);
+
+ } else if (playing) {
+ // button_pressed == BUTTON_SINGLE_CLICK && cardRead[selected])
+ // Change where to record (or begin playing)
+ LEDsoff();
+ LED(selected + 1, 0);
+
+ // Begin transmitting
+ LED(LED_GREEN, 0);
+ DbpString("Playing");
+ 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
+ Dbprintf("Simulating ISO14443a tag with uid[0]: %08x, uid[1]: %08x [Bank: %u]", uid_1st[selected], uid_2nd[selected], selected);
+ if (hi14a_card[selected].sak == 8 && hi14a_card[selected].atqa[0] == 4 && hi14a_card[selected].atqa[1] == 0) {
+ DbpString("Mifare Classic");
+ SimulateIso14443aTag(1, uid_1st[selected], uid_2nd[selected], 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, uid_1st[selected], uid_2nd[selected], 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, uid_1st[selected], uid_2nd[selected], data); // Mifare DESFire
+ } else {
+ Dbprintf("Unrecognized tag type -- defaulting to Mifare Classic emulation");
+ SimulateIso14443aTag(1, uid_1st[selected], uid_2nd[selected], data);
+ }
+ } else if (button_action == BUTTON_SINGLE_CLICK) {
+ selected = (selected + 1) % OPTS;
+ Dbprintf("Done playing. Switching to record mode on bank %d",selected);
+ GotoRecord = true;
+ break;
+ } else if (button_action == BUTTON_HOLD) {
+ Dbprintf("Playtime over. Begin cloning...");
+ GotoClone = true;
+ break;
+ }
+ WDT_HIT();
+ }
+
+ /* We pressed a button so ignore it here with a delay */
+ SpinDelay(300);
+ LEDsoff();
+ LED(selected + 1, 0);
+ }
+ }
+}
+
+#elif WITH_LF_StandAlone
+
+// samy's sniff and repeat routine
+void SamyRun() {
+ StandAloneMode();
+ FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+
+ int tops[OPTS], high[OPTS], low[OPTS];
projects / proxmark3-svn / blobdiff