From 0a9ff597aeb988c871ed6a755c9f054733e6778f Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Mon, 15 Jan 2024 11:54:44 +0100
Subject: [serversetup-bwlp-ipxe] Move PXELinux classes to own files

---
 .../serversetup-bwlp-ipxe/inc/pxesection.inc.php   | 117 +++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 modules-available/serversetup-bwlp-ipxe/inc/pxesection.inc.php

(limited to 'modules-available/serversetup-bwlp-ipxe/inc/pxesection.inc.php')

diff --git a/modules-available/serversetup-bwlp-ipxe/inc/pxesection.inc.php b/modules-available/serversetup-bwlp-ipxe/inc/pxesection.inc.php
new file mode 100644
index 00000000..2d9cd6ab
--- /dev/null
+++ b/modules-available/serversetup-bwlp-ipxe/inc/pxesection.inc.php
@@ -0,0 +1,117 @@
+<?php
+
+/**
+ * Class representing a parsed pxelinux menu entry. Members
+ * will be set to their annotated type if present or
+ * be null otherwise, except for present-only boolean
+ * options, which will default to false.
+ */
+class PxeSection
+{
+
+	/**
+	 * @var ?string label used internally in PXEMENU definition to address this entry
+	 */
+	public $label;
+	/**
+	 * @var string MENU LABEL of PXEMENU - title of entry displayed to the user
+	 */
+	public $title;
+	/**
+	 * @var int Number of spaces to prefix the title with
+	 */
+	public $indent;
+	/**
+	 * @var string help text to display when the entry is highlighted
+	 */
+	public $helpText;
+	/**
+	 * @var string Kernel to load
+	 */
+	public $kernel;
+	/**
+	 * @var string|string[] initrd to load for the kernel.
+	 *   If mangle() has been called this will be an array,
+	 *   otherwise it's a comma separated list.
+	 */
+	public $initrd;
+	/**
+	 * @var string command line options to pass to the kernel
+	 */
+	public $append;
+	/**
+	 * @var int IPAPPEND from PXEMENU. Bitmask of valid options 1 and 2.
+	 */
+	public $ipAppend;
+	/**
+	 * @var string Password protecting the entry. This is most likely in encrypted form.
+	 */
+	public $passwd;
+	/**
+	 * @var bool whether this section is marked as default (booted after timeout)
+	 */
+	public $isDefault = false;
+	/**
+	 * @var bool Menu entry is not visible (can only be triggered by timeout)
+	 */
+	public $isHidden = false;
+	/**
+	 * @var bool Disable this entry, making it unselectable
+	 */
+	public $isDisabled = false;
+	/**
+	 * @var int|false Value of the LOCALBOOT field, false if not set
+	 */
+	public $localBoot = false;
+	/**
+	 * @var string hotkey to trigger item. Only valid after calling mangle()
+	 */
+	public $hotkey;
+
+	public function __construct(?string $label) { $this->label = $label; }
+
+	public function mangle()
+	{
+		if (($i = strpos($this->title, '^')) !== false) {
+			$this->hotkey = strtoupper($this->title[$i + 1]);
+			$this->title = substr($this->title, 0, $i) . substr($this->title, $i + 1);
+		}
+		if (strpos($this->append, 'initrd=') !== false) {
+			$parts = preg_split('/\s+/', $this->append);
+			$this->append = '';
+			for ($i = 0; $i < count($parts); ++$i) {
+				if (preg_match('/^initrd=(.*)$/', $parts[$i], $out)) {
+					if (!empty($this->initrd)) {
+						$this->initrd .= ',';
+					}
+					$this->initrd .= $out[1];
+				} else {
+					$this->append .= ' ' . $parts[$i];
+				}
+			}
+			$this->append = trim($this->append);
+		}
+		if (is_string($this->initrd)) {
+			$this->initrd = explode(',', $this->initrd);
+		} elseif (!is_array($this->initrd)) {
+			$this->initrd = [];
+		}
+	}
+
+	/**
+	 * Does this appear to be an entry that triggers localboot?
+	 */
+	public function isLocalboot(): bool
+	{
+		return $this->localBoot !== false || preg_match('/chain\.c32$/i', $this->kernel);
+	}
+
+	/**
+	 * Is this (most likely) a separating entry only that cannot be selected?
+	 */
+	public function isTextOnly(): bool
+	{
+		return ($this->label === null || empty($this->kernel)) && !$this->isHidden && !empty($this->title);
+	}
+
+}
\ No newline at end of file
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