+ 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}};
+ SendCommand(&c);
+ UsbCommand resp;
+ WaitForResponse(CMD_ACK,&resp);
+ switch (resp.arg[0]) {
+ legic_card_select_t card;
+ case 0:
+ memcpy(&card, resp.d.asBytes, sizeof(card));
+ PrintAndLog("Card (MIM %i) read, use 'hf legic decode' or", card.cardsize);
+ PrintAndLog("'data hexsamples %d' to view results", (resp.arg[1] + 7) & ~7);
+ break;
+ case 1:
+ PrintAndLog("No or unknown card found, aborting");
+ break;
+ case 2:
+ PrintAndLog("operation failed @ 0x%03.3x", resp.arg[1]);
+ break;
+ }
+ return resp.arg[0];
+}
+
+int CmdLegicLoad(const char *Cmd)
+{
+ char filename[FILE_PATH_SIZE] = {0x00};
+ int len = 0;
+
+ if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) {
+ PrintAndLog("It loads datasamples from the file `filename`");
+ PrintAndLog("Usage: hf legic load <file name>");
+ PrintAndLog(" sample: hf legic load filename");
+ return 0;
+ }
+
+ 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; unsigned int data[8];
+ while (fgets(line, sizeof(line), f)) {
+ int res = sscanf(line, "%x %x %x %x %x %x %x %x",
+ &data[0], &data[1], &data[2], &data[3],
+ &data[4], &data[5], &data[6], &data[7]);
+ if (res != 8) {
+ PrintAndLog("Error: could not read samples");
+ fclose(f);
+ return -1;
+ }
+ UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {offset, 1, 0}};
+ int j; for(j = 0; j < 8; j++) {
+ c.d.asBytes[j] = data[j];
+ }
+ SendCommand(&c);
+ WaitForResponse(CMD_ACK, NULL);
+ offset += 8;
+ }
+ fclose(f);
+ PrintAndLog("loaded %u samples", offset);
+ 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];
+
+ 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;
+ }
+
+ FILE *f = fopen(filename, "w");
+ if (!f) {
+ PrintAndLog("couldn't open '%s'", Cmd+1);
+ return -1;
+ }
+
+ GetFromBigBuf(got, requested, offset, NULL, -1, false);
+
+ 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;
+}
+
+int CmdLegicRfSim(const char *Cmd)
+{
+ UsbCommand c={CMD_SIMULATE_TAG_LEGIC_RF};
+ c.arg[0] = 1;
+ sscanf(Cmd, " %" SCNi64, &c.arg[0]);
+ SendCommand(&c);
+ return 0;
projects / proxmark3-svn / blobdiff