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authorSimon Rettberg2019-02-12 14:55:12 +0100
committerSimon Rettberg2019-02-12 14:55:12 +0100
commitc2a6dfb649107ce3ad64162e2bb2c3c7275650fb (patch)
tree5a58f34c9c2563bb9baebcf7a36afe3e1d08a120 /modules-available/serversetup-bwlp-ipxe/inc/bootentry.inc.php
parent[serversetup-bwlp] Auto-import of old PXELinux config on bootup (diff)
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[serversetup*] PXELinux and iPXE side-by-side
Diffstat (limited to 'modules-available/serversetup-bwlp-ipxe/inc/bootentry.inc.php')
-rw-r--r--modules-available/serversetup-bwlp-ipxe/inc/bootentry.inc.php258
1 files changed, 258 insertions, 0 deletions
diff --git a/modules-available/serversetup-bwlp-ipxe/inc/bootentry.inc.php b/modules-available/serversetup-bwlp-ipxe/inc/bootentry.inc.php
new file mode 100644
index 00000000..69adffd3
--- /dev/null
+++ b/modules-available/serversetup-bwlp-ipxe/inc/bootentry.inc.php
@@ -0,0 +1,258 @@
+<?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} = $value;
+ }
+ }
+ }
+ }
+
+ public abstract function supportsMode($mode);
+
+ public abstract function toScript($failLabel, $mode);
+
+ public abstract function toArray();
+
+ public abstract function addFormFields(&$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)
+ {
+ $ret = new StandardBootEntry($initData);
+ $list = [];
+ if ($ret->arch() !== StandardBootEntry::EFI) {
+ $list[] = StandardBootEntry::BIOS;
+ }
+ if ($ret->arch() === StandardBootEntry::EFI || $ret->arch() === StandardBootEntry::BOTH) {
+ $list[] = StandardBootEntry::EFI;
+ }
+ foreach ($list as $mode) {
+ if (empty($initData['executable'][$mode]))
+ return null;
+ }
+ return $ret;
+ }
+
+ public static function newCustomBootEntry($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;
+ protected $arch; // Constants below
+
+ const BIOS = 'PCBIOS'; // Only valid for legacy BIOS boot
+ const EFI = 'EFI'; // Only valid for EFI boot
+ const BOTH = 'PCBIOS-EFI'; // Supports both via distinct entry
+ const AGNOSTIC = 'agnostic'; // Supports both via same entry (PCBIOS entry)
+
+ public function __construct($data = false)
+ {
+ if ($data instanceof PxeSection) {
+ // Gets arrayfied below
+ $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);
+ }
+ // Convert legacy DB format
+ foreach (['executable', 'initRd', 'commandLine', 'replace', 'autoUnload', 'resetConsole'] as $key) {
+ if (!is_array($this->{$key})) {
+ $this->{$key} = [ 'PCBIOS' => $this->{$key}, 'EFI' => '' ];
+ }
+ }
+ if ($this->arch === null) {
+ $this->arch = self::AGNOSTIC;
+ }
+ }
+
+ public function arch()
+ {
+ return $this->arch;
+ }
+
+ public function supportsMode($mode)
+ {
+ if ($mode === $this->arch || $this->arch === self::AGNOSTIC)
+ return true;
+ if ($mode === self::BIOS || $mode === self::EFI) {
+ return $this->arch === self::BOTH;
+ }
+ error_log('Unknown iPXE platform: ' . $mode);
+ return false;
+ }
+
+ public function toScript($failLabel, $mode)
+ {
+ if (!$this->supportsMode($mode)) {
+ return "prompt Entry doesn't have an executable for mode $mode\n";
+ }
+ if ($this->arch === self::AGNOSTIC) {
+ $mode = self::BIOS;
+ }
+
+ $script = '';
+ if ($this->resetConsole[$mode]) {
+ $script .= "console ||\n";
+ }
+ if (!empty($this->initRd[$mode])) {
+ $script .= "imgfree ||\n";
+ if (!is_array($this->initRd[$mode])) {
+ $script .= "initrd {$this->initRd[$mode]} || goto $failLabel\n";
+ } else {
+ foreach ($this->initRd[$mode] as $initrd) {
+ $script .= "initrd $initrd || goto $failLabel\n";
+ }
+ }
+ }
+ $script .= "boot ";
+ if ($this->autoUnload[$mode]) {
+ $script .= "-a ";
+ }
+ if ($this->replace[$mode]) {
+ $script .= "-r ";
+ }
+ $script .= $this->executable[$mode];
+ $rdBase = basename($this->initRd[$mode]);
+ if (!empty($this->commandLine[$mode])) {
+ $script .= " initrd=$rdBase {$this->commandLine[$mode]}";
+ }
+ $script .= " || goto $failLabel\n";
+ if ($this->resetConsole[$mode]) {
+ $script .= "goto start ||\n";
+ }
+ return $script;
+ }
+
+ public function addFormFields(&$array)
+ {
+ $array[$this->arch . '_selected'] = 'selected';
+ foreach ([self::BIOS, self::EFI] as $mode) {
+ $array['entries'][] = [
+ 'is' . $mode => true,
+ 'mode' => $mode,
+ 'executable' => $this->executable[$mode],
+ 'initRd' => $this->initRd[$mode],
+ 'commandLine' => $this->commandLine[$mode],
+ 'replace_checked' => $this->replace[$mode] ? 'checked' : '',
+ 'autoUnload_checked' => $this->autoUnload[$mode] ? 'checked' : '',
+ 'resetConsole_checked' => $this->resetConsole[$mode] ? '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,
+ 'arch' => $this->arch,
+ ];
+ }
+}
+
+class CustomBootEntry extends BootEntry
+{
+ protected $script;
+
+ public function supportsMode($mode)
+ {
+ return true;
+ }
+
+ public function toScript($failLabel, $mode)
+ {
+ 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];
+ }
+}