+void DropField() {
+ UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
+ SendCommand(&c);
+}
+
+int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
+ uint16_t cmdc = 0;
+
+ if (activateField) {
+ cmdc |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
+ }
+ if (leaveSignalON)
+ cmdc |= ISO14A_NO_DISCONNECT;
+
+ // "Command APDU" length should be 5+255+1, but javacard's APDU buffer might be smaller - 133 bytes
+ // https://stackoverflow.com/questions/32994936/safe-max-java-card-apdu-data-command-and-respond-size
+ // here length USB_CMD_DATA_SIZE=512
+ // timeout must be authomatically set by "get ATS"
+ UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | cmdc, (datainlen & 0xFFFF), 0}};
+ memcpy(c.d.asBytes, datain, datainlen);
+ SendCommand(&c);
+
+ uint8_t *recv;
+ UsbCommand resp;
+
+ if (activateField) {
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+ PrintAndLog("APDU ERROR: Proxmark connection timeout.");
+ return 1;
+ }
+ if (resp.arg[0] != 1) {
+ PrintAndLog("APDU ERROR: Proxmark error %d.", resp.arg[0]);
+ return 1;
+ }
+ }
+
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+ recv = resp.d.asBytes;
+ int iLen = resp.arg[0];
+
+ *dataoutlen = iLen - 2;
+ if (*dataoutlen < 0)
+ *dataoutlen = 0;
+
+ if (maxdataoutlen && *dataoutlen > maxdataoutlen) {
+ PrintAndLog("APDU ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen);
+ return 2;
+ }
+
+ memcpy(dataout, recv, *dataoutlen);
+
+ if(!iLen) {
+ PrintAndLog("APDU ERROR: No APDU response.");
+ return 1;
+ }
+
+ // check block TODO
+ if (iLen == -2) {
+ PrintAndLog("APDU ERROR: Block type mismatch.");
+ return 2;
+ }
+
+ // CRC Check
+ if (iLen == -1) {
+ PrintAndLog("APDU ERROR: ISO 14443A CRC error.");
+ return 3;
+ }
+
+ // check apdu length
+ if (iLen < 4) {
+ PrintAndLog("APDU ERROR: Small APDU response. Len=%d", iLen);
+ return 2;
+ }
+
+ } else {
+ PrintAndLog("APDU ERROR: Reply timeout.");
+ return 4;
+ }
+
+ return 0;
+}
+
+// ISO14443-4. 7. Half-duplex block transmission protocol
+int CmdHF14AAPDU(const char *cmd) {
+ uint8_t data[USB_CMD_DATA_SIZE];
+ int datalen = 0;
+ bool activateField = false;
+ bool leaveSignalON = false;
+ bool decodeTLV = false;
+
+ if (strlen(cmd) < 2) {
+ PrintAndLog("Usage: hf 14a apdu [-s] [-k] [-t] <APDU (hex)>");
+ PrintAndLog("Command sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL)");
+ PrintAndLog(" -s activate field and select card");
+ PrintAndLog(" -k leave the signal field ON after receive response");
+ PrintAndLog(" -t executes TLV decoder if it possible. TODO!!!!");
+ return 0;
+ }
+
+ int cmdp = 0;
+ while(param_getchar(cmd, cmdp) != 0x00) {
+ char c = param_getchar(cmd, cmdp);
+ if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
+ switch (param_getchar_indx(cmd, 1, cmdp)) {
+ case 's':
+ case 'S':
+ activateField = true;
+ break;
+ case 'k':
+ case 'K':
+ leaveSignalON = true;
+ break;
+ case 't':
+ case 'T':
+ decodeTLV = true;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
+ return 1;
+ }
+
+ if (isxdigit(c)) {
+ // len = data + PCB(1b) + CRC(2b)
+ switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data) - 1 - 2, &datalen)) {
+ case 1:
+ PrintAndLog("Invalid HEX value.");
+ return 1;
+ case 2:
+ PrintAndLog("APDU too large.");
+ return 1;
+ case 3:
+ PrintAndLog("Hex must have even number of digits.");
+ return 1;
+ }
+
+ // we get all the hex to end of line with spaces
+ break;
+ }
+
+ cmdp++;
+ }
+
+ PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen));
+
+ int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen);
+
+ if (res)
+ return res;
+
+ PrintAndLog("<<<< %s", sprint_hex(data, datalen));
+
+ PrintAndLog("APDU response: %02x %02x - %s", data[datalen - 2], data[datalen - 1], GetAPDUCodeDescription(data[datalen - 2], data[datalen - 1]));
+
+ // TLV decoder
+ if (decodeTLV && datalen > 4) {
+ TLVPrintFromBuffer(data, datalen - 2);
+ }
+
+ return 0;
+}
projects / proxmark3-svn / blobdiff