+int CmdHF14ASnoop(const char *Cmd) {
+ int param = 0;
+
+ uint8_t ctmp = param_getchar(Cmd, 0) ;
+ if (ctmp == 'h' || ctmp == 'H') {
+ PrintAndLog("It get data from the field and saves it into command buffer.");
+ PrintAndLog("Buffer accessible from command hf list 14a.");
+ PrintAndLog("Usage: hf 14a snoop [c][r]");
+ PrintAndLog("c - triggered by first data from card");
+ PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
+ PrintAndLog("sample: hf 14a snoop c r");
+ return 0;
+ }
+
+ for (int i = 0; i < 2; i++) {
+ ctmp = param_getchar(Cmd, i);
+ if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
+ if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
+ }
+
+ UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
+ SendCommand(&c);
+ return 0;
+}
+
+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;
+}
+
+int CmdHF14ACmdRaw(const char *cmd) {
+ UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
+ bool reply=1;
+ bool crc = false;
+ bool power = false;
+ bool active = false;
+ bool active_select = false;
+ bool no_rats = false;
+ uint16_t numbits = 0;
+ bool bTimeout = false;
+ uint32_t timeout = 0;
+ bool topazmode = false;
+ char buf[5]="";
+ int i = 0;
+ uint8_t data[USB_CMD_DATA_SIZE];
+ uint16_t datalen = 0;
+ uint32_t temp;
+
+ if (strlen(cmd)<2) {
+ PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-f] [-b] [-t] <number of bits> <0A 0B 0C ... hex>");
+ PrintAndLog(" -r do not read response");
+ PrintAndLog(" -c calculate and append CRC");
+ PrintAndLog(" -p leave the signal field ON after receive");
+ PrintAndLog(" -a active signal field ON without select");
+ PrintAndLog(" -s active signal field ON with select");
+ PrintAndLog(" -b number of bits to send. Useful for send partial byte");
+ PrintAndLog(" -t timeout in ms");
+ PrintAndLog(" -T use Topaz protocol to send command");
+ PrintAndLog(" -3 ISO14443-3 select only (skip RATS)");
+ return 0;
+ }
+
+
+ // strip
+ while (*cmd==' ' || *cmd=='\t') cmd++;
+
+ while (cmd[i]!='\0') {
+ if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
+ if (cmd[i]=='-') {
+ switch (cmd[i+1]) {
+ case 'r':
+ reply = false;
+ break;
+ case 'c':
+ crc = true;
+ break;
+ case 'p':
+ power = true;
+ break;
+ case 'a':
+ active = true;
+ break;
+ case 's':
+ active_select = true;
+ break;
+ case 'b':
+ sscanf(cmd+i+2,"%d",&temp);
+ numbits = temp & 0xFFFF;
+ i+=3;
+ while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
+ i-=2;
+ break;
+ case 't':
+ bTimeout = true;
+ sscanf(cmd+i+2,"%d",&temp);
+ timeout = temp;
+ i+=3;
+ while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
+ i-=2;
+ break;
+ case 'T':
+ topazmode = true;
+ break;
+ case '3':
+ no_rats = true;
+ break;
+ default:
+ PrintAndLog("Invalid option");
+ return 0;
+ }
+ i+=2;
+ continue;
+ }
+ if ((cmd[i]>='0' && cmd[i]<='9') ||
+ (cmd[i]>='a' && cmd[i]<='f') ||
+ (cmd[i]>='A' && cmd[i]<='F') ) {
+ buf[strlen(buf)+1]=0;
+ buf[strlen(buf)]=cmd[i];
+ i++;
+
+ if (strlen(buf)>=2) {
+ sscanf(buf,"%x",&temp);
+ data[datalen]=(uint8_t)(temp & 0xff);
+ *buf=0;
+ if (datalen > sizeof(data)-1) {
+ if (crc)
+ PrintAndLog("Buffer is full, we can't add CRC to your data");
+ break;
+ } else {
+ datalen++;
+ }
+ }
+ continue;
+ }
+ PrintAndLog("Invalid char on input");
+ return 0;
+ }
+
+ if(crc && datalen>0 && datalen<sizeof(data)-2)
+ {
+ uint8_t first, second;
+ if (topazmode) {
+ ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
+ } else {
+ ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
+ }
+ data[datalen++] = first;
+ data[datalen++] = second;
+ }
+
+ if(active || active_select)
+ {
+ c.arg[0] |= ISO14A_CONNECT | ISO14A_CLEAR_TRACE;
+ if(active)
+ c.arg[0] |= ISO14A_NO_SELECT;
+ }
+
+ if(bTimeout){
+ #define MAX_TIMEOUT 40542464 // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
+ c.arg[0] |= ISO14A_SET_TIMEOUT;
+ if(timeout > MAX_TIMEOUT) {
+ timeout = MAX_TIMEOUT;
+ PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
+ }
+ c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
+ }
+
+ if(power) {
+ c.arg[0] |= ISO14A_NO_DISCONNECT;
+ }
+
+ if(datalen > 0) {
+ c.arg[0] |= ISO14A_RAW;
+ }
+
+ if(topazmode) {
+ c.arg[0] |= ISO14A_TOPAZMODE;
+ }
+
+ if(no_rats) {
+ c.arg[0] |= ISO14A_NO_RATS;
+ }
+
+ // Max buffer is USB_CMD_DATA_SIZE (512)
+ c.arg[1] = (datalen & 0xFFFF) | ((uint32_t)numbits << 16);
+ memcpy(c.d.asBytes,data,datalen);
+
+ SendCommand(&c);
+
+ if (reply) {
+ int res = 0;
+ if (active_select)
+ res = waitCmd(1);
+ if (!res && datalen > 0)
+ waitCmd(0);
+ } // if reply
+ return 0;
+}
+
+
+static int waitCmd(uint8_t iSelect) {
+ uint8_t *recv;
+ UsbCommand resp;
+ char *hexout;
+
+ if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+ recv = resp.d.asBytes;
+ uint8_t iLen = resp.arg[0];
+ if (iSelect){
+ iLen = resp.arg[1];
+ if (iLen){
+ PrintAndLog("Card selected. UID[%i]:", iLen);
+ } else {
+ PrintAndLog("Can't select card.");
+ }
+ } else {
+ PrintAndLog("received %i bytes:", iLen);
+ }
+ if(!iLen)
+ return 1;
+ hexout = (char *)malloc(iLen * 3 + 1);
+ if (hexout != NULL) {
+ for (int i = 0; i < iLen; i++) { // data in hex
+ sprintf(&hexout[i * 3], "%02X ", recv[i]);
+ }
+ PrintAndLog("%s", hexout);
+ free(hexout);
+ } else {
+ PrintAndLog("malloc failed your client has low memory?");
+ return 2;
+ }
+ } else {
+ PrintAndLog("timeout while waiting for reply.");
+ return 3;
+ }
+ return 0;
projects / proxmark3-svn / blobdiff