From dcdfcf53d10f83b7a0368b6d46d133a4a515cf41 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ole=20Andr=C3=A9=20Vadla=20Ravn=C3=A5s?= <oleavr@gmail.com>
Date: Thu, 10 Oct 2024 18:46:44 +0200
Subject: [PATCH] fruity: Fix USB mode parsing on iOS < 16
MIME-Version: 1.0
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Where the mode is a 3 byte blob.

Co-authored-by: Håvard Sørbø <havard@hsorbo.no>
---
 src/fruity/usb.vala | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/fruity/usb.vala b/src/fruity/usb.vala
index af4d48d27..728e9f926 100644
--- a/src/fruity/usb.vala
+++ b/src/fruity/usb.vala
@@ -123,10 +123,13 @@ namespace Frida.Fruity {
 		}
 
 		private static string parse_mode (Bytes mode) throws Error {
-			if (mode.get_size () != 4)
-				throw new Error.PROTOCOL ("Invalid mode response");
-			unowned uint8[] m = mode.get_data ();
-			return "%u:%u:%u:%u".printf (m[0], m[1], m[2], m[3]);
+			var result = new StringBuilder.sized (7);
+			foreach (uint8 byte in mode.get_data ()) {
+				if (result.len != 0)
+					result.append_c (':');
+				result.append_printf ("%u", byte);
+			}
+			return result.str;
 		}
 
 		private static string udid_from_serial_number (string serial) {