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author | Simon Rettberg | 2019-02-12 14:55:12 +0100 |
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committer | Simon Rettberg | 2019-02-12 14:55:12 +0100 |
commit | c2a6dfb649107ce3ad64162e2bb2c3c7275650fb (patch) | |
tree | 5a58f34c9c2563bb9baebcf7a36afe3e1d08a120 /modules-available/serversetup-bwlp-ipxe/inc/bootentry.inc.php | |
parent | [serversetup-bwlp] Auto-import of old PXELinux config on bootup (diff) | |
download | slx-admin-c2a6dfb649107ce3ad64162e2bb2c3c7275650fb.tar.gz slx-admin-c2a6dfb649107ce3ad64162e2bb2c3c7275650fb.tar.xz slx-admin-c2a6dfb649107ce3ad64162e2bb2c3c7275650fb.zip |
[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.php | 258 |
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]; + } +} |