From f838cf6dc212c779562984e8a16a4cedfc1d6daf Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Fri, 5 Oct 2018 05:22:29 +0200
Subject: usb: Add hyphen to new style UDIDs introduced with iPhone XS/XR

---
 src/usb.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/usb.c b/src/usb.c
index 0977c24..44c33ce 100644
--- a/src/usb.c
+++ b/src/usb.c
@@ -277,12 +277,19 @@ static void get_serial_callback(struct libusb_transfer *transfer)
 		else
 			usbdev->serial[di++] = data[si];
 	}
-	usbdev->serial[di] = 0;
+	usbdev->serial[di] = '\0';
 
 	usbmuxd_log(LL_INFO, "Got serial '%s' for device %d-%d", usbdev->serial, usbdev->bus, usbdev->address);
 
 	libusb_free_transfer(transfer);
 
+	/* new style UDID: add hyphen between first 8 and following 16 digits */
+	if (di == 24) {
+		memmove(&usbdev->serial[9], &usbdev->serial[8], 16);
+		usbdev->serial[8] = '-';
+		usbdev->serial[di+1] = '\0';
+	}
+
 	/* Finish setup now */
 	if(device_add(usbdev) < 0) {
 		usb_disconnect(usbdev);
-- 
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