From 2e78eec281815d6ba42ff2cf7c3a937abe6d83c5 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Tue, 12 Jun 2018 17:15:44 +0200
Subject: [serversetup-bwlp] Start rewrite as purely iPXE-based

---
 .../serversetup-bwlp/inc/menuentry.inc.php         | 170 +++++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 modules-available/serversetup-bwlp/inc/menuentry.inc.php

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

diff --git a/modules-available/serversetup-bwlp/inc/menuentry.inc.php b/modules-available/serversetup-bwlp/inc/menuentry.inc.php
new file mode 100644
index 00000000..9736b7bb
--- /dev/null
+++ b/modules-available/serversetup-bwlp/inc/menuentry.inc.php
@@ -0,0 +1,170 @@
+<?php
+
+class MenuEntry
+{
+	/**
+	 * @var int id of entry, used for pw
+	 */
+	private $menuentryid;
+	/**
+	 * @var false|string key code as expected by iPXE
+	 */
+	private $hotkey;
+	/**
+	 * @var string
+	 */
+	private $title;
+	/**
+	 * @var bool
+	 */
+	private $hidden;
+	/**
+	 * @var bool
+	 */
+	private $gap;
+	/**
+	 * @var int
+	 */
+	private $sortval;
+	/**
+	 * @var BootEntry
+	 */
+	private $bootEntry = null;
+
+	private $md5pass = null;
+
+	/**
+	 * MenuEntry constructor.
+	 *
+	 * @param array $row row from database
+	 */
+	public function __construct($row)
+	{
+		if (is_array($row)) {
+			foreach ($row as $key => $value) {
+				if (property_exists($this, $key)) {
+					$this->{$key} = $value;
+				}
+			}
+			$this->hotkey = self::getKeyCode($row['hotkey']);
+			if (!empty($row['bootentry'])) {
+				$this->bootEntry = BootEntry::fromJson($row['bootentry']);
+			}
+			$this->gap = (array_key_exists('entryid', $row) && $row['entryid'] === null);
+		}
+		settype($this->hidden, 'bool');
+		settype($this->gap, 'bool');
+		settype($this->sortval, 'int');
+		settype($this->menuentryid, 'int');
+	}
+
+	public function getMenuItemScript($lblPrefix, $requestedDefaultId)
+	{
+		$str = 'item ';
+		if ($this->gap) {
+			$str .= '--gap ';
+		} else {
+			if ($this->hidden) {
+				if ($this->hotkey === false)
+					return ''; // Hidden entries without hotkey are illegal
+				$str .= '--hidden ';
+			}
+			if ($this->hotkey !== false) {
+				$str .= '--key ' . $this->hotkey . ' ';
+			}
+			if ($this->menuentryid == $requestedDefaultId) {
+				$str .= '--default ';
+			}
+			$str .= "{$lblPrefix}_{$this->menuentryid} ";
+		}
+		$str .= $this->title;
+		return $str . " || prompt Could not create menu item for {$lblPrefix}_{$this->menuentryid}\n";
+	}
+
+	public function getBootEntryScript($lblPrefix, $failLabel)
+	{
+		if ($this->bootEntry === null)
+			return '';
+		$str = ":{$lblPrefix}_{$this->menuentryid}\n";
+		if (!empty($this->md5pass)) {
+			$str .= "set slx_hash {$this->md5pass} || goto $failLabel\n"
+				. "set slx_salt {$this->menuentryid} || goto $failLabel\n"
+				. "set slx_pw_ok {$lblPrefix}_ok || goto $failLabel\n"
+				. "set slx_pw_fail slx_menu || goto $failLabel\n"
+				. "goto slx_pass_check || goto $failLabel\n"
+				. ":{$lblPrefix}_ok\n";
+		}
+		return $str . $this->bootEntry->toScript($failLabel);
+	}
+
+	/*
+	 *
+	 */
+
+	private static function getKeyArray()
+	{
+		static $data = false;
+		if ($data === false) {
+			$data = [
+				'F5' => 0x107e,
+				'F6' => 0x127e,
+				'F7' => 0x137e,
+				'F8' => 0x147e,
+				'F9' => 0x157e,
+				'F10' => 0x167e,
+				'F11' => 0x187e,
+				'F12' => 0x197e,
+			];
+			for ($i = 1; $i <= 26; ++$i) {
+				$letter = chr(0x40 + $i);
+				$data['SHIFT_' . $letter] = 0x40 + $i;
+				if ($letter !== 'C') {
+					$data['CTRL_' . $letter] = $i;
+				}
+				$data[$letter] = 0x60 + $i;
+			}
+			for ($i = 0; $i <= 9; ++$i) {
+				$data[chr(0x30 + $i)] = 0x30 + $i;
+			}
+			asort($data, SORT_NUMERIC);
+		}
+		return $data;
+	}
+
+	/**
+	 * Get all the known/supported keys, usable for menu items.
+	 *
+	 * @return string[] list of known key names
+	 */
+	public static function getKeyList()
+	{
+		return array_keys(self::getKeyArray());
+	}
+
+	/**
+	 * Get the key code ipxe expects for the given named
+	 * key. Returns false if the key name is unknown.
+	 *
+	 * @param string $keyName
+	 * @return false|string Key code as hex string, or false if not found
+	 */
+	public static function getKeyCode($keyName)
+	{
+		$data = self::getKeyArray();
+		if (isset($data[$keyName]))
+			return '0x' . dechex($data[$keyName]);
+		return false;
+	}
+
+	/**
+	 * @param string $keyName desired key name
+	 * @return string $keyName if it's known, empty string otherwise
+	 */
+	public static function filterKeyName($keyName)
+	{
+		if (isset($data[$keyName]))
+			return $keyName;
+		return '';
+	}
+
+}
-- 
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