+int CmdLegicRestore(const char *Cmd){
+
+ FILE *f;
+ char filename[FILE_PATH_SIZE] = {0x00};
+ char *fnameptr = filename;
+ size_t fileNlen = 0;
+ bool errors = true;
+ uint16_t numofbytes;
+ uint8_t cmdp = 0;
+
+ memset(filename, 0, sizeof(filename));
+
+ while(param_getchar(Cmd, cmdp) != 0x00) {
+ switch(param_getchar(Cmd, cmdp)) {
+ case 'h':
+ case 'H':
+ errors = true;
+ break;
+ case 'i':
+ case 'I':
+ fileNlen = param_getstr(Cmd, cmdp+1, filename);
+ if (!fileNlen)
+ errors = true;
+ else
+ errors = false;
+
+ if (fileNlen > FILE_PATH_SIZE-5)
+ fileNlen = FILE_PATH_SIZE-5;
+ cmdp += 2;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+ errors = true;
+ break;
+ }
+ if (errors) break;
+ }
+
+ //Validations
+ if(errors) return usage_legic_restore();
+
+ // tagtype
+ legic_card_select_t card;
+ if (legic_get_type(&card)) {
+ PrintAndLog("Failed to identify tagtype");
+ return 1;
+ }
+ numofbytes = card.cardsize;
+
+ // set up buffer
+ uint8_t *data = malloc(numofbytes);
+ if (!data) {
+ PrintAndLog("Fail, cannot allocate memory");
+ return 2;
+ }
+ memset(data, 0, numofbytes);
+
+ legic_print_type(numofbytes, 0);
+
+ // set up file
+ fnameptr += fileNlen;
+ sprintf(fnameptr, ".bin");
+
+ if ((f = fopen(filename,"rb")) == NULL) {
+ PrintAndLog("File %s not found or locked", filename);
+ return 3;
+ }
+
+ // verify size of dumpfile is the same as card.
+ fseek(f, 0, SEEK_END); // seek to end of file
+ size_t filesize = ftell(f); // get current file pointer
+ fseek(f, 0, SEEK_SET); // seek back to beginning of file
+
+ if ( filesize != numofbytes) {
+ PrintAndLog("Fail, filesize and cardsize is not equal. [%u != %u]", filesize, numofbytes);
+ free(data);
+ fclose(f);
+ return 4;
+ }
+
+ // load file
+ size_t bytes_read = fread(data, 1, numofbytes, f);
+ if ( bytes_read == 0){
+ PrintAndLog("File reading error");
+ free(data);
+ fclose(f);
+ return 2;
+ }
+ fclose(f);
+
+ PrintAndLog("Restoring to card");
+
+ // transfer to device
+ size_t len = 0;
+ UsbCommand c = {CMD_WRITER_LEGIC_RF, {0, 0, 0x55}};
+ UsbCommand resp;
+ for(size_t i = 7; i < numofbytes; i += USB_CMD_DATA_SIZE) {
+
+ len = MIN((numofbytes - i), USB_CMD_DATA_SIZE);
+ c.arg[0] = i; // offset
+ c.arg[1] = len; // number of bytes
+ memcpy(c.d.asBytes, data+i, len);
+ clearCommandBuffer();
+ SendCommand(&c);
+
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 4000)) {
+ PrintAndLog("command execution time out");
+ free(data);
+ return 1;
+ }
+ uint8_t isOK = resp.arg[0] & 0xFF;
+ if ( !isOK ) {
+ PrintAndLog("failed writing tag [msg = %u]", resp.arg[1] & 0xFF);
+ free(data);
+ return 1;
+ }
+ PrintAndLog("Wrote chunk [offset %d | len %d | total %d", i, len, i+len);
+ }
+
+ free(data);
+ PrintAndLog("\nWrote %d bytes to card from file %s", numofbytes, filename);
+ return 0;
+}
+
projects / proxmark3-svn / blobdiff