Commit 843e9120b35ae0e4de791cebb37fa8ce46272d76
2012-12-01T08:41:25
libztex: Match mining firmware ZTEX descriptor against the dummy firmware The first 8 bytes are matched, which ensures that the mining firmware actually fits the hardware, assuming that the correct dummy firmware is present in the device.
diff --git a/libztex.c b/libztex.c
index de00bae..f179c68 100644
--- a/libztex.c
+++ b/libztex.c
@@ -152,6 +152,15 @@ static enum check_result libztex_checkDevice(struct libusb_device *dev)
goto done;
}
+ // in buf[] is still the identifier of the dummy firmware
+ // use it to compare it with the new firmware
+ char *rv = memmem(fw_buf, got_bytes, buf, 8);
+ if (rv == NULL)
+ {
+ applog(LOG_ERR, "%s: found firmware is not ZTEX", __func__);
+ goto done;
+ }
+
// reset 1
buf[0] = 1;
cnt = libusb_control_transfer(hndl, 0x40, 0xA0, 0xE600, 0, buf, 1,1000);