+ 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);
+ /* need this delay to prevent catching some weird data */
+ SpinDelay(500);
+ /* Code for reading from 14a tag */
+ uint8_t uid[10] = {0};
+ uint32_t cuid = 0;
+ iso14443a_setup(FPGA_HF_ISO14443A_READER_MOD);
+
+ for ( ; ; )
+ {
+ WDT_HIT();
+ 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, true, 0))
+ continue;
+ else
+ {
+ Dbprintf("Read UID:"); Dbhexdump(10,uid,0);
+ memcpy(readUID,uid,10*sizeof(uint8_t));
+ 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_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);
+ LED(LED_GREEN, 200);
+ LED(LED_ORANGE, 200);
+
+ LEDsoff();
+ LED(selected + 1, 0);
+
+ // Next state is replay:
+ playing = 1;
+
+ cardRead[selected] = 1;
+ }
+ /* MF Classic UID clone */
+ else if (iGotoClone==1)
+ {
+ iGotoClone=0;
+ LEDsoff();
+ LED(selected + 1, 0);
+ LED(LED_ORANGE, 250);
+
+ // record
+ Dbprintf("Preparing to Clone card [Bank: %x]; uid: %08x", selected, uid_1st[selected]);
+
+ // wait for button to be released
+ // Delay cloning until card is in place
+ while(BUTTON_PRESS())
+ 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, {params & (0xFE | (uid == NULL ? 0:1)), blockNo, 0}};
+ memcpy(c.d.asBytes, data, 16);
+ SendCommand(&c);
+
+ Block read is similar:
+ UsbCommand c = {CMD_MIFARE_CGETBLOCK, {params, blockNo, 0}};
+ 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->d.asBytes);
+ break;
+ case CMD_MIFARE_CGETBLOCK:
+ MifareCGetBlock(c->arg[0], c->arg[1], 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, MAGIC_SINGLE) to write it
+ */
+ uint8_t oldBlock0[16] = {0}, newBlock0[16] = {0}, testBlock0[16] = {0};
+ // arg0 = Flags, arg1=blockNo
+ MifareCGetBlock(params, 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[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 = workFlags, arg1 = blockNo, datain
+ MifareCSetBlock(params, 0, newBlock0);
+ MifareCGetBlock(params, 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
+ 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 (playing==1) // button_pressed == BUTTON_SINGLE_CLICK && cardRead[selected])
+ {
+ LEDsoff();
+ LED(selected + 1, 0);
+
+ // Begin transmitting
+ if (playing)
+ {
+ 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
+ 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);
+ 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;
+ }
+ WDT_HIT();
+ }
+
+ /* We pressed a button so ignore it here with a delay */
+ SpinDelay(300);
+ LEDsoff();
+ LED(selected + 1, 0);
+ }
+ else
+ while(BUTTON_PRESS())
+ WDT_HIT();
+ }
+ }
+}
+#elif WITH_LF
+// samy's sniff and repeat routine
+void SamyRun()
+{
+ StandAloneMode();
+ FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+
+ int high[OPTS], low[OPTS];
projects / proxmark3-svn / blobdiff