+ } // end for loop
+
+ } else {
+
+ // Data start point on unsegmented cards
+ i = 8;
+
+ wrp = data_buf[7] & 0x0F;
+ wrc = (data_buf[7] & 0x07) >> 4;
+
+ bool hasWRC = (wrc > 0);
+ bool hasWRP = (wrp > wrc);
+ int wrp_len = (wrp - wrc);
+ int remain_seg_payload_len = (1024 - 22 - wrp); // Any chance to get physical card size here!?
+
+ PrintAndLog("Unsegmented card - WRP: %02u, WRC: %02u, RD: %01u",
+ wrp,
+ wrc,
+ (data_buf[7] & 0x80) >> 7
+ );
+
+ if ( hasWRC ) {
+ PrintAndLog("WRC protected area: (I %d | WRC %d)", i, wrc);
+ PrintAndLog("\nrow | data");
+ PrintAndLog("-----+------------------------------------------------");
+ print_hex_break( data_buf+i, wrc, 16);
+ i += wrc;
+ }
+
+ if ( hasWRP ) {
+ PrintAndLog("Remaining write protected area: (I %d | WRC %d | WRP %d | WRP_LEN %d)", i, wrc, wrp, wrp_len);
+ PrintAndLog("\nrow | data");
+ PrintAndLog("-----+------------------------------------------------");
+ print_hex_break( data_buf+i, wrp_len, 16);
+ i += wrp_len;
+
+ // does this one work? (Answer: Only if KGH/BGH is used with BCD encoded card number! So maybe this will show just garbage...)
+ if( wrp_len == 8 )
+ PrintAndLog("Card ID: %2X%02X%02X", data_buf[i-4], data_buf[i-3], data_buf[i-2]);
+ }
+
+ PrintAndLog("Remaining segment payload: (I %d | Remain LEN %d)", i, remain_seg_payload_len);
+ PrintAndLog("\nrow | data");
+ PrintAndLog("-----+------------------------------------------------");
+ print_hex_break( data_buf+i, remain_seg_payload_len, 16);
+ i += remain_seg_payload_len;
+
+ PrintAndLog("-----+------------------------------------------------\n");
+ }
+ }
+
+ return 0;
+}
+
+int CmdLegicRFRead(const char *Cmd) {
+
+ // params:
+ // offset in data
+ // number of bytes.
+ char cmdp = param_getchar(Cmd, 0);
+ if ( cmdp == 'H' || cmdp == 'h' ) return usage_legic_read();
+
+ int byte_count=0, offset=0;
+ sscanf(Cmd, "%i %i", &offset, &byte_count);
+ if(byte_count == 0) byte_count = -1;
+ if(byte_count + offset > 1024) byte_count = 1024 - offset;
+
+ UsbCommand c= {CMD_READER_LEGIC_RF, {offset, byte_count, 0}};
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
+}
+
+int CmdLegicLoad(const char *Cmd) {
+
+ char cmdp = param_getchar(Cmd, 0);
+ if ( cmdp == 'H' || cmdp == 'h' || cmdp == 0x00) return usage_legic_load();
+
+ char filename[FILE_PATH_SIZE] = {0x00};
+ int len = strlen(Cmd);
+
+ if (len > FILE_PATH_SIZE) {
+ PrintAndLog("Filepath too long (was %s bytes), max allowed is %s ", len, FILE_PATH_SIZE);
+ return 0;
+ }
+ memcpy(filename, Cmd, len);
+
+ FILE *f = fopen(filename, "r");
+ if(!f) {
+ PrintAndLog("couldn't open '%s'", Cmd);
+ return -1;
+ }
+
+ char line[80];
+ int offset = 0;
+ uint8_t data[USB_CMD_DATA_SIZE] = {0x00};
+ int index = 0;
+ int totalbytes = 0;
+ while ( fgets(line, sizeof(line), f) ) {
+ int res = sscanf(line, "%x %x %x %x %x %x %x %x",
+ (unsigned int *)&data[index],
+ (unsigned int *)&data[index + 1],
+ (unsigned int *)&data[index + 2],
+ (unsigned int *)&data[index + 3],
+ (unsigned int *)&data[index + 4],
+ (unsigned int *)&data[index + 5],
+ (unsigned int *)&data[index + 6],
+ (unsigned int *)&data[index + 7]);
+
+ if(res != 8) {
+ PrintAndLog("Error: could not read samples");
+ fclose(f);
+ return -1;
+ }
+ index += res;
+
+ if ( index == USB_CMD_DATA_SIZE ){
+// PrintAndLog("sent %d | %d | %d", index, offset, totalbytes);
+ UsbCommand c = { CMD_DOWNLOADED_SIM_SAMPLES_125K, {offset, 0, 0}};
+ memcpy(c.d.asBytes, data, sizeof(data));
+ clearCommandBuffer();
+ SendCommand(&c);
+ if ( !WaitForResponseTimeout(CMD_ACK, NULL, 1500)){
+ PrintAndLog("Command execute timeout");
+ fclose(f);
+ return 1;
+ }
+ offset += index;
+ totalbytes += index;
+ index = 0;
+ }
+ }
+ fclose(f);
+
+ // left over bytes?
+ if ( index != 0 ) {
+ UsbCommand c = { CMD_DOWNLOADED_SIM_SAMPLES_125K, {offset, 0, 0}};
+ memcpy(c.d.asBytes, data, 8);
+ clearCommandBuffer();
+ SendCommand(&c);
+ if ( !WaitForResponseTimeout(CMD_ACK, NULL, 1500)){
+ PrintAndLog("Command execute timeout");
+ return 1;
+ }
+ totalbytes += index;
+ }
+
+ PrintAndLog("loaded %u samples", totalbytes);
+ return 0;
+}
+
+int CmdLegicSave(const char *Cmd) {
+ int requested = 1024;
+ int offset = 0;
+ int delivered = 0;
+ char filename[FILE_PATH_SIZE];
+ uint8_t got[1024] = {0x00};
+
+ sscanf(Cmd, " %s %i %i", filename, &requested, &offset);
+
+ /* If no length given save entire legic read buffer */
+ /* round up to nearest 8 bytes so the saved data can be used with legicload */
+ if (requested == 0)
+ requested = 1024;
+
+ if (requested % 8 != 0) {
+ int remainder = requested % 8;
+ requested = requested + 8 - remainder;
+ }
+
+ if (offset + requested > sizeof(got)) {
+ PrintAndLog("Tried to read past end of buffer, <bytes> + <offset> > 1024");
+ return 0;
+ }
+
+ GetFromBigBuf(got, requested, offset);
+ if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2000)){
+ PrintAndLog("Command execute timeout");
+ return 1;
+ }
+
+ FILE *f = fopen(filename, "w");
+ if(!f) {
+ PrintAndLog("couldn't open '%s'", Cmd+1);
+ return -1;
+ }
+
+ for (int j = 0; j < requested; j += 8) {
+ fprintf(f, "%02x %02x %02x %02x %02x %02x %02x %02x\n",
+ got[j+0], got[j+1], got[j+2], got[j+3],
+ got[j+4], got[j+5], got[j+6], got[j+7]
+ );
+ delivered += 8;
+ if (delivered >= requested) break;
+ }
+
+ fclose(f);
+ PrintAndLog("saved %u samples", delivered);
+ return 0;
+}
+
+//TODO: write a help text (iceman)
+int CmdLegicRfSim(const char *Cmd) {
+ UsbCommand c = {CMD_SIMULATE_TAG_LEGIC_RF, {6,3,0}};
+ sscanf(Cmd, " %"lli" %"lli" %"lli, &c.arg[0], &c.arg[1], &c.arg[2]);
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
+}
+
+//TODO: write a help text (iceman)
+int CmdLegicRfWrite(const char *Cmd) {
+ UsbCommand c = {CMD_WRITER_LEGIC_RF};
+ int res = sscanf(Cmd, " 0x%"llx" 0x%"llx, &c.arg[0], &c.arg[1]);
+ if(res != 2) {
+ PrintAndLog("Please specify the offset and length as two hex strings");
+ return -1;
+ }
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
+}
+
+//TODO: write a help text (iceman)
+int CmdLegicRfRawWrite(const char *Cmd) {
+ char answer;
+ UsbCommand c = { CMD_RAW_WRITER_LEGIC_RF, {0,0,0} };
+ int res = sscanf(Cmd, " 0x%"llx" 0x%"llx, &c.arg[0], &c.arg[1]);
+ if(res != 2) {
+ PrintAndLog("Please specify the offset and value as two hex strings");
+ return -1;
+ }
+
+ if (c.arg[0] == 0x05 || c.arg[0] == 0x06) {
+ PrintAndLog("############# DANGER !! #############");
+ PrintAndLog("# changing the DCF is irreversible #");
+ PrintAndLog("#####################################");
+ PrintAndLog("do youe really want to continue? y(es) n(o)");
+ if (scanf(" %c", &answer) > 0 && (answer == 'y' || answer == 'Y')) {
+ SendCommand(&c);
+ return 0;
+ }
+ return -1;
+ }
+
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
projects / proxmark3-svn / blobdiff