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/bootentry.inc.php         | 195 +++++++++++++++++++++
 1 file changed, 195 insertions(+)
 create mode 100644 modules-available/serversetup-bwlp/inc/bootentry.inc.php

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

diff --git a/modules-available/serversetup-bwlp/inc/bootentry.inc.php b/modules-available/serversetup-bwlp/inc/bootentry.inc.php
new file mode 100644
index 00000000..f488959b
--- /dev/null
+++ b/modules-available/serversetup-bwlp/inc/bootentry.inc.php
@@ -0,0 +1,195 @@
+<?php
+
+abstract class BootEntry
+{
+
+	public function __construct($data = false)
+	{
+		if (is_array($data)) {
+			foreach ($data as $key => $value) {
+				if (property_exists($this, $key)) {
+					$this->{$key} = $value;
+				}
+			}
+		}
+	}
+
+	public abstract function toScript($failLabel);
+
+	public abstract function toArray();
+
+	public abstract function addFormFields(&$array);
+
+	/*
+	 *
+	 */
+
+	/**
+	 * Return a BootEntry instance from the serialized data.
+	 *
+	 * @param string $jsonString serialized entry data
+	 * @return BootEntry|null instance representing boot entry, null on error
+	 */
+	public static function fromJson($data)
+	{
+		if (is_string($data)) {
+			$data = json_decode($data, true);
+		}
+		if (isset($data['script'])) {
+			return new CustomBootEntry($data);
+		}
+		if (isset($data['executable'])) {
+			return new StandardBootEntry($data);
+		}
+		return null;
+	}
+
+	public static function newStandardBootEntry($initData)
+	{
+		if (empty($initData['executable']))
+			return null;
+		return new StandardBootEntry($initData);
+	}
+
+	public static function newCustomBootEntry($initData)
+	{
+		if (empty($initData['script']))
+			return null;
+		return new CustomBootEntry($initData);
+	}
+
+	/**
+	 * Return a BootEntry instance from database with the given id.
+	 *
+	 * @param string $id
+	 * @return BootEntry|null|false false == unknown id, null = unknown entry type, BootEntry instance on success
+	 */
+	public static function fromDatabaseId($id)
+	{
+		$row = Database::queryFirst("SELECT data FROM serversetup_bootentry
+			WHERE entryid = :id LIMIT 1", ['id' => $id]);
+		if ($row === false)
+			return false;
+		return self::fromJson($row['data']);
+	}
+
+}
+
+class StandardBootEntry extends BootEntry
+{
+	protected $executable;
+	protected $initRd;
+	protected $commandLine;
+	protected $replace;
+	protected $autoUnload;
+	protected $resetConsole;
+
+	public function __construct($data = false)
+	{
+		if ($data instanceof PxeSection) {
+			$this->executable = $data->kernel;
+			$this->initRd = $data->initrd;
+			$this->commandLine = ' ' . str_replace('vga=current', '', $data->append) . ' ';
+			$this->resetConsole = true;
+			$this->replace = true;
+			$this->autoUnload = true;
+			if (strpos($this->commandLine, ' quiet ') !== false) {
+				$this->commandLine .= ' loglevel=5 rd.systemd.show_status=auto';
+			}
+			if ($data->ipAppend & 1) {
+				$this->commandLine .= ' ${ipappend1}';
+			}
+			if ($data->ipAppend & 2) {
+				$this->commandLine .= ' ${ipappend2}';
+			}
+			if ($data->ipAppend & 4) {
+				$this->commandLine .= ' SYSUUID=${uuid}';
+			}
+			$this->commandLine = trim(preg_replace('/\s+/', ' ', $this->commandLine));
+		} else {
+			parent::__construct($data);
+		}
+	}
+
+	public function toScript($failLabel)
+	{
+		$script = '';
+		if ($this->resetConsole) {
+			$script .= "console ||\n";
+		}
+		if (!empty($this->initRd)) {
+			$script .= "imgfree ||\n";
+			if (!is_array($this->initRd)) {
+				$script .= "initrd {$this->initRd} || goto $failLabel\n";
+			} else {
+				foreach ($this->initRd as $initrd) {
+					$script .= "initrd $initrd || goto $failLabel\n";
+				}
+			}
+		}
+		$script .= "boot ";
+		if ($this->autoUnload) {
+			$script .= "-a ";
+		}
+		if ($this->replace) {
+			$script .= "-r ";
+		}
+		$script .= "{$this->executable}";
+		if (!empty($this->commandLine)) {
+			$script .= " {$this->commandLine}";
+		}
+		$script .= " || goto $failLabel\n";
+		if ($this->resetConsole) {
+			$script .= "goto start ||\n";
+		}
+		return $script;
+	}
+
+	public function addFormFields(&$array)
+	{
+		$array['entry'] = [
+			'executable' => $this->executable,
+			'initRd' => $this->initRd,
+			'commandLine' => $this->commandLine,
+			'replace_checked' => $this->replace ? 'checked' : '',
+			'autoUnload_checked' => $this->autoUnload ? 'checked' : '',
+			'resetConsole_checked' => $this->resetConsole ? 'checked' : '',
+		];
+		$array['exec_checked'] = 'checked';
+	}
+
+	public function toArray()
+	{
+		return [
+			'executable' => $this->executable,
+			'initRd' => $this->initRd,
+			'commandLine' => $this->commandLine,
+			'replace' => $this->replace,
+			'autoUnload' => $this->autoUnload,
+			'resetConsole' => $this->resetConsole,
+		];
+	}
+}
+
+class CustomBootEntry extends BootEntry
+{
+	protected $script;
+
+	public function toScript($failLabel)
+	{
+		return str_replace('%fail%', $failLabel, $this->script) . "\n";
+	}
+
+	public function addFormFields(&$array)
+	{
+		$array['entry'] = [
+			'script' => $this->script,
+		];
+		$array['script_checked'] = 'checked';
+	}
+
+	public function toArray()
+	{
+		return ['script' => $this->script];
+	}
+}
-- 
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