+int CmdHF14BCmdRaw (const char *cmd) {
+ UsbCommand resp;
+ uint8_t *recv;
+ UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}}; // len,recv?
+ uint8_t reply=1;
+ uint8_t crc=0;
+ uint8_t power=0;
+ char buf[5]="";
+ int i=0;
+ uint8_t data[100];
+ unsigned int datalen=0, temp;
+ char *hexout;
+
+ if (strlen(cmd)<3) {
+ PrintAndLog("Usage: hf 14b raw [-r] [-c] [-p] <0A 0B 0C ... hex>");
+ PrintAndLog(" -r do not read response");
+ PrintAndLog(" -c calculate and append CRC");
+ PrintAndLog(" -p leave the field on after receive");
+ 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':
+ case 'R':
+ reply=0;
+ break;
+ case 'c':
+ case 'C':
+ crc=1;
+ break;
+ case 'p':
+ case 'P':
+ power=1;
+ 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);
+ datalen++;
+ *buf=0;
+ }
+ continue;
+ }
+ PrintAndLog("Invalid char on input");
+ return 0;
+ }
+ if (datalen == 0)
+ {
+ PrintAndLog("Missing data input");
+ return 0;
+ }
+ if(crc)
+ {
+ uint8_t first, second;
+ ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
+ data[datalen++] = first;
+ data[datalen++] = second;
+ }
+
+ c.arg[0] = datalen;
+ c.arg[1] = reply;
+ c.arg[2] = power;
+ memcpy(c.d.asBytes,data,datalen);
+
+ SendCommand(&c);
+
+ if (reply) {
+ if (WaitForResponseTimeout(CMD_ACK,&resp,10000)) {
+ recv = resp.d.asBytes;
+ PrintAndLog("received %i octets",resp.arg[0]);
+ if(!resp.arg[0])
+ return 0;
+ hexout = (char *)malloc(resp.arg[0] * 3 + 1);
+ if (hexout != NULL) {
+ uint8_t first, second;
+ for (int i = 0; i < resp.arg[0]; i++) { // data in hex
+ sprintf(&hexout[i * 3], "%02X ", recv[i]);
+ }
+ PrintAndLog("%s", hexout);
+ free(hexout);
+ ComputeCrc14443(CRC_14443_B, recv, resp.arg[0]-2, &first, &second);
+ if(recv[resp.arg[0]-2]==first && recv[resp.arg[0]-1]==second) {
+ PrintAndLog("CRC OK");
+ } else {
+ PrintAndLog("CRC failed");
+ }
+ } else {
+ PrintAndLog("malloc failed your client has low memory?");
+ }
+ } else {
+ PrintAndLog("timeout while waiting for reply.");
+ }
+ } // if reply
+ return 0;
+}
+
+int CmdHF14BWrite( const char *Cmd){
+
+/*
+ * For SRIX4K blocks 00 - 7F
+ * hf 14b raw -c -p 09 $srix4kwblock $srix4kwdata
+ *
+ * For SR512 blocks 00 - 0F
+ * hf 14b raw -c -p 09 $sr512wblock $sr512wdata
+ *
+ * Special block FF = otp_lock_reg block.
+ * Data len 4 bytes-
+ */
+ char cmdp = param_getchar(Cmd, 0);
+ uint8_t blockno = -1;
+ uint8_t data[4] = {0x00};
+ bool isSrix4k = true;
+ char str[20];
+
+ if (cmdp == 'h' || cmdp == 'H') {
+ PrintAndLog("Usage: hf 14b write <1|2> <BLOCK> <DATA>");
+ PrintAndLog(" [1 = SRIX4K]");
+ PrintAndLog(" [2 = SRIX4K]");
+ PrintAndLog(" [BLOCK number depends on which tag, special block == 255]");
+ PrintAndLog(" sample: hf 14b write 1 127 11223344");
+ PrintAndLog(" : hf 14b write 1 255 11223344");
+ PrintAndLog(" : hf 14b write 2 15 11223344");
+ PrintAndLog(" : hf 14b write 2 255 11223344");
+ return 0;
+ }
+
+ if ( param_getchar(Cmd, 0) == '2' )
+ isSrix4k = false;
+
+ blockno = param_get8(Cmd, 1);
+
+ if ( isSrix4k ){
+ if ( blockno > 0x7f && blockno != 0xff ){
+ PrintAndLog("Block number out of range");
+ return 0;
+ }
+ } else {
+ if ( blockno > 0x0f && blockno != 0xff ){
+ PrintAndLog("Block number out of range");
+ return 0;
+ }
+ }
+
+ if (param_gethex(Cmd, 2, data, 8)) {
+ PrintAndLog("Data must include 8 HEX symbols");
+ return 0;
+ }
+
+ if ( blockno == 0xff)
+ PrintAndLog("Writing to special block %02X [ %s]", blockno, sprint_hex(data,4) );
+ else
+ PrintAndLog("Writing to block %02X [ %s]", blockno, sprint_hex(data,4) );
+
+ sprintf(str, "-c -p 09 %02x %02x%02x%02x%02x", blockno, data[0], data[1], data[2], data[3]);
+ CmdHF14BCmdRaw(str);
+ return 0;
+}
+