From 8cdccaeb71a167c6a16b715e65967da3be8a040a Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Fri, 10 Jul 2020 16:40:06 +0200
Subject: [serversetup-bwlp-ipxe] Progress on new structure (+bash)

---
 .../inc/scriptbuilderbash.inc.php                  | 97 ++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 modules-available/serversetup-bwlp-ipxe/inc/scriptbuilderbash.inc.php

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

diff --git a/modules-available/serversetup-bwlp-ipxe/inc/scriptbuilderbash.inc.php b/modules-available/serversetup-bwlp-ipxe/inc/scriptbuilderbash.inc.php
new file mode 100644
index 00000000..86b2931f
--- /dev/null
+++ b/modules-available/serversetup-bwlp-ipxe/inc/scriptbuilderbash.inc.php
@@ -0,0 +1,97 @@
+<?php
+
+class ScriptBuilderBash extends ScriptBuilderBase
+{
+
+	public function output($string)
+	{
+		echo $string;
+	}
+
+	public function bootstrapLive() { return false; }
+
+	public function getMenu(IPxeMenu $menu, bool $bootstrap)
+	{
+		return $this->menuToScript($menu);
+	}
+
+	public function getBootEntry($entry)
+	{
+		if (!$entry) {
+			return "echo 'Invalid boot entry id'\nread -n1 -r _\n";
+		}
+		return $entry->toScript($this);
+	}
+
+	public function getMenuEntry($entry, $honorPassword = true)
+	{
+		if ($entry === null)
+			return "echo 'Invalid menu entry id - press any key to continue'\nread -n1 -r _\n";
+		return $entry->getBootEntryScript($this);
+	}
+
+	public function getSpecial($special)
+	{
+		return ''; // We can't really do localboot here I guess
+	}
+
+	public function menuToScript($menu)
+	{
+		$output = "declare -A items_name items_gap hotkey_item\ndeclare menu_default menu_timeout menu_title\n";
+		foreach ($menu->items as $entry) {
+			$id = $entry->menuentryid;
+			if ($entry->bootEntry === null || (!empty($this->platform) && !$entry->bootEntry->supportsMode($this->platform)))
+				continue;
+			if (!$entry->hidden) {
+				$output .= 'items_name[' . $id . ']=' . $this->bashString($entry->title) . "\n";
+				if ($entry->gap) {
+					$output .= 'items_gap[' . $id . "]=1\n";
+				}
+			}
+			if ($entry->hotkey !== false) {
+				$output .= 'hotkey_item[' . $entry->hotkey . ']=' . $id . "\n";
+			}
+			if ($id == $menu->defaultEntryId) {
+				$output .= "menu_default={$id}\n";
+			}
+		}
+		return $output . "menu_timeout=" . $menu->timeoutMs
+			. "\nmenu_title=" . $this->bashString($menu->title) . "\n";
+	}
+
+	public function execDataToScript($agnostic, $bios, $efi) : string
+	{
+		if ($agnostic !== null)
+			return $this->execDataToScriptInternal($agnostic);
+		if ($bios !== null && $this->platform === BootEntry::BIOS)
+			return $this->execDataToScriptInternal($bios);
+		if ($efi !== null && $this->platform === BootEntry::EFI)
+			return $this->execDataToScriptInternal($efi);
+		return $this->execDataToScriptInternal($bios ?? $efi ?? new ExecData());
+	}
+
+	private function execDataToScriptInternal(ExecData $entry) : string
+	{
+		$entry->sanitize();
+		$script = "declare -a initrd\ndeclare kernel kcl\n";
+		if (!empty($entry->initRd)) {
+			foreach ($entry->initRd as $initrd) {
+				if (empty($initrd))
+					continue;
+				$script .= 'initrd+=( ' . $this->bashString($initrd) . " )\n";
+			}
+		}
+		$script .= 'kernel=' . $this->bashString($entry->executable) . "\n";
+		$script .= 'kcl="' . str_replace('"', '"\\""', $entry->commandLine) . "\"\n"; // Allow expansion
+		return $script;
+	}
+
+	private function bashString($string)
+	{
+		if (strpos($string, "'") === false) {
+			return "'$string'";
+		}
+		return "'" . str_replace("'", "'\\''", $string) . "'";
+	}
+
+}
-- 
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