From 50b1e13879eb0b110716f3b14ecff13a0f2b40b1 Mon Sep 17 00:00:00 2001
From: vanhofen <vanhofen@gmx.de>
Date: Mon, 5 Sep 2022 19:05:00 +0200
Subject: [PATCH] - online-update: fix get-kernel.php

---
 support/online-update/get-kernel.php | 36 +++++++++++++++++++---------
 1 file changed, 25 insertions(+), 11 deletions(-)

diff --git a/support/online-update/get-kernel.php b/support/online-update/get-kernel.php
index c94cfd31..2671dbb3 100644
--- a/support/online-update/get-kernel.php
+++ b/support/online-update/get-kernel.php
@@ -1,7 +1,7 @@
 <?php
 /*
 	Example:
-	http://www.neutrino-images.de/neutrino-images/get-kernel.php?boxtype=armbox&boxmodel=hd51
+	http://www.neutrino-images.de/neutrino-images/get-kernel.php?boxtype=coolstream&boxmodel=apollo
 */
 
 $boxtype = trim($_GET["boxtype"]);
@@ -9,7 +9,9 @@ $boxtype_sc = ""; # autofilled
 $boxseries = trim($_GET["boxseries"]);
 $boxmodel = trim($_GET["boxmodel"]);
 
-$kernel_prefix = "";
+$kernel_suffix = "";
+$image_version = "???"; # wildcard for version (e.g. 320)
+$image_date = "????????????"; # wildcard for date (e.g. 201601012359)
 $image_type = "nightly";
 
 # convert strings to lower case
@@ -25,25 +27,37 @@ if ($boxtype == "coolstream" || $boxtype == "cst")
 
 	if ($boxmodel == "nevis")
 	{
-		$kernel_prefix = "-zImage.img";
+		$kernel_suffix = "-zImage.img";
 	}
 	elseif ($boxmodel == "apollo" || $boxmodel == "shiner" || $boxmodel == "kronos" || $boxmodel == "kronos_v2")
 	{
-		$kernel_prefix = "-vmlinux.ub.gz";
+		$kernel_suffix = "-vmlinux.ub.gz";
 	}
 }
 elseif ($boxtype == "armbox" || $boxtype == "arm")
 {
 	$boxtype_sc = "arm";
 
-	$kernel_prefix = ".bin";
+	$kernel_suffix = ".bin";
 }
 
-# release/kernel-cst-kronos-vmlinux.ub.gz
+# release/ni320-YYYYMMDDHHMM-cst-kronos-vmlinux.ub.gz
 $directory = $image_type;
-$kernel = $directory . "/kernel-" . $boxtype_sc . "-" . $boxmodel . $kernel_prefix;
+$pattern = $directory . "/ni" . $image_version . "-" . $image_date . "-" . $boxtype_sc . "-" . $boxmodel . $kernel_suffix;
 
-if (!file_exists($kernel))
+# find last (newest) kernel
+$last_mod = 0;
+$last_kernel = "";
+foreach (glob($pattern) as $kernel)
+{
+	if (is_file($kernel) && filectime($kernel) > $last_mod)
+	{
+		$last_mod = filectime($kernel);
+		$last_kernel = $kernel;
+	}
+}
+
+if (empty($last_kernel))
 {
 	# send error
 	header('HTTP/1.0 404 Not Found');
@@ -54,11 +68,11 @@ else
 	# send kernel
 	header('Content-Description: File Transfer');
 	header('Content-Type: application/octet-stream');
-	header('Content-Disposition: attachment; filename="' . basename($kernel) . '"');
+	header('Content-Disposition: attachment; filename="' . basename($last_kernel) . '"');
 	header('Expires: 0');
 	header('Cache-Control: must-revalidate');
 	header('Pragma: public');
-	header('Content-Length: ' . filesize($kernel));
-	readfile($kernel);
+	header('Content-Length: ' . filesize($last_kernel));
+	readfile($last_kernel);
 }
 ?>
\ No newline at end of file