set default dns server in config-templates; separate CmdLineHandler from switch-server-ip script for further usage

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>

install/scripts/switch-server-ip.php

@@ -17,42 +17,29 @@
  */
 
 // Check if we're in the CLI
-if(@php_sapi_name() !== 'cli') {
+if (@php_sapi_name() !== 'cli') {
 	die('This script will only work in the shell.');
 }
 
-// give control to command line handler
+require dirname(dirname(__DIR__)) . '/lib/classes/output/class.CmdLineHandler.php';
-try {
-	CmdLineHandler::processParameters($argc, $argv);
-} catch (Exception $e) {
-	CmdLineHandler::printerr($e->getMessage());
-}
 
-class CmdLineHandler
+class SwitchServerIp extends CmdLineHandler
 {
 
 	/**
-	 * internal variable for passed arguments
+	 * list of valid switches
 	 *
 	 * @var array
 	 */
-	private static $args = null;
-
-	/**
-	 * Action object read from commandline/config
-	 *
-	 * @var Action
-	 */
-	private $_action = null;
-
-	/**
-	 * list of valid parameters/switches
-	 */
 	public static $switches = array(
-		/* 'd', // debug / output information for everything */
 		'h'
 	);
- // same as --help
+
+	/**
+	 * list of valid parameters
+	 *
+	 * @var array
+	 */
 	public static $params = array(
 		'switch',
 		'list',
@@ -60,131 +47,7 @@ class CmdLineHandler
 		'help'
 	);
 
-	/**
+	public static $action_class = 'Action';
-	 * Returns a CmdLineHandler object with given
-	 * arguments from command line
-	 *
-	 * @param int $argc
-	 * @param array $argv
-	 *
-	 * @return CmdLineHandler
-	 */
-	public static function processParameters($argc, $argv)
-	{
-		return new CmdLineHandler($argc, $argv);
-	}
-
-	/**
-	 * returns the Action object generated in
-	 * the class constructor
-	 *
-	 * @return Action
-	 */
-	public function getAction()
-	{
-		return $this->_action;
-	}
-
-	/**
-	 * class constructor, validates the command line parameters
-	 * and sets the Action-object if valid
-	 *
-	 * @param int $argc
-	 * @param string[] $argv
-	 *
-	 * @return null
-	 * @throws Exception
-	 */
-	private function __construct($argc, $argv)
-	{
-		self::$args = $this->_parseArgs($argv);
-		$this->_action = $this->_createAction();
-	}
-
-	/**
-	 * Parses the arguments given via the command line;
-	 * three types are supported:
-	 * 1.
-	 * --parm1 or --parm2=value
-	 * 2. -xyz (multiple switches in one) or -a=value
-	 * 3. parm1 parm2
-	 *
-	 * The 1. will be mapped as
-	 * ["parm1"] => true, ["parm2"] => "value"
-	 * The 2. as
-	 * ["x"] => true, ["y"] => true, ["z"] => true, ["a"] => "value"
-	 * And the 3. as
-	 * [0] => "parm1", [1] => "parm2"
-	 *
-	 * @param array $argv
-	 *
-	 * @return array
-	 */
-	private function _parseArgs($argv)
-	{
-		array_shift($argv);
-		$o = array();
-		foreach ($argv as $a) {
-			if (substr($a, 0, 2) == '--') {
-				$eq = strpos($a, '=');
-				if ($eq !== false) {
-					$o[substr($a, 2, $eq - 2)] = substr($a, $eq + 1);
-				} else {
-					$k = substr($a, 2);
-					if (! isset($o[$k])) {
-						$o[$k] = true;
-					}
-				}
-			} else
-				if (substr($a, 0, 1) == '-') {
-					if (substr($a, 2, 1) == '=') {
-						$o[substr($a, 1, 1)] = substr($a, 3);
-					} else {
-						foreach (str_split(substr($a, 1)) as $k) {
-							if (! isset($o[$k])) {
-								$o[$k] = true;
-							}
-						}
-					}
-				} else {
-					$o[] = $a;
-				}
-		}
-		return $o;
-	}
-
-	/**
-	 * Creates an Action-Object for the Action-Handler
-	 *
-	 * @return Action
-	 * @throws Exception
-	 */
-	private function _createAction()
-	{
-
-		// Test for help-switch
-		if (empty(self::$args) || array_key_exists("help", self::$args) || array_key_exists("h", self::$args)) {
-			self::printHelp();
-			// end of execution
-		}
-		// check if no unknown parameters are present
-		foreach (self::$args as $arg => $value) {
-
-			if (is_numeric($arg)) {
-				throw new Exception("Unknown parameter '" . $value . "' in argument list");
-			} elseif (! in_array($arg, self::$params) && ! in_array($arg, self::$switches)) {
-				throw new Exception("Unknown parameter '" . $arg . "' in argument list");
-			}
-		}
-
-		// set debugger switch
-		if (isset(self::$args["d"]) && self::$args["d"] == true) {
-			// Debugger::getInstance()->setEnabled(true);
-			// Debugger::getInstance()->debug("debug output enabled");
-		}
-
-		return new Action(self::$args);
-	}
 
 	public static function printHelp()
 	{
@@ -210,31 +73,6 @@ class CmdLineHandler
 		
 		die(); // end of execution
 	}
-
-	public static function println($msg = "")
-	{
-		print $msg . PHP_EOL;
-	}
-
-	private static function _printcolor($msg = "", $color = "0")
-	{
-		print "\033[" . $color . "m" . $msg . "\033[0m" . PHP_EOL;
-	}
-
-	public static function printerr($msg = "")
-	{
-		self::_printcolor($msg, "31");
-	}
-
-	public static function printsucc($msg = "")
-	{
-		self::_printcolor($msg, "32");
-	}
-
-	public static function printwarn($msg = "")
-	{
-		self::_printcolor($msg, "33");
-	}
 }
 
 class Action
@@ -391,10 +229,10 @@ class Action
 	private function _parseConfig()
 	{
 		define('FROXLOR_INSTALL_DIR', $this->_args['froxlor-dir']);
-		if (!file_exists(FROXLOR_INSTALL_DIR . '/lib/classes/database/class.Database.php')) {
+		if (! file_exists(FROXLOR_INSTALL_DIR . '/lib/classes/database/class.Database.php')) {
-			throw new Exception("Could not find froxlor's Database class. Is froxlor really installed to '".FROXLOR_INSTALL_DIR."'?");
+			throw new Exception("Could not find froxlor's Database class. Is froxlor really installed to '" . FROXLOR_INSTALL_DIR . "'?");
 		}
-		if (!file_exists(FROXLOR_INSTALL_DIR . '/lib/userdata.inc.php')) {
+		if (! file_exists(FROXLOR_INSTALL_DIR . '/lib/userdata.inc.php')) {
 			throw new Exception("Could not find froxlor's userdata.inc.php file. You should use this script only with a fully installed and setup froxlor system.");
 		}
 		require FROXLOR_INSTALL_DIR . '/lib/classes/database/class.Database.php';
@@ -415,3 +253,10 @@ class Action
 		}
 	}
 }
+
+// give control to command line handler
+try {
+	SwitchServerIp::processParameters($argc, $argv);
+} catch (Exception $e) {
+	SwitchServerIp::printerr($e->getMessage());
+}

lib/classes/output/class.CmdLineHandler.php

@@ -0,0 +1,196 @@
+<?php
+
+/**
+ * This file is part of the Froxlor project.
+ * Copyright (c) 2018 the Froxlor Team (see authors).
+ *
+ * For the full copyright and license information, please view the COPYING
+ * file that was distributed with this source code. You can also view the
+ * COPYING file online at http://files.froxlor.org/misc/COPYING.txt
+ *
+ * @copyright (c) the authors
+ * @author Froxlor team <team@froxlor.org> (2018-)
+ * @license GPLv2 http://files.froxlor.org/misc/COPYING.txt
+ * @package Cron
+ *
+ */
+abstract class CmdLineHandler
+{
+
+	/**
+	 * internal variable for passed arguments
+	 *
+	 * @var array
+	 */
+	private static $args = null;
+
+	/**
+	 * Action object read from commandline/config
+	 *
+	 * @var Action
+	 */
+	private $_action = null;
+
+	/**
+	 * Returns a CmdLineHandler object with given
+	 * arguments from command line
+	 *
+	 * @param int $argc
+	 * @param array $argv
+	 *
+	 * @return CmdLineHandler
+	 */
+	public static function processParameters($argc, $argv)
+	{
+		$me = get_called_class();
+		return new $me($argc, $argv);
+	}
+
+	/**
+	 * returns the Action object generated in
+	 * the class constructor
+	 *
+	 * @return Action
+	 */
+	public function getAction()
+	{
+		return $this->_action;
+	}
+
+	/**
+	 * class constructor, validates the command line parameters
+	 * and sets the Action-object if valid
+	 *
+	 * @param int $argc
+	 * @param string[] $argv
+	 *
+	 * @return null
+	 * @throws Exception
+	 */
+	private function __construct($argc, $argv)
+	{
+		self::$args = $this->_parseArgs($argv);
+		$this->_action = $this->_createAction();
+	}
+
+	/**
+	 * Parses the arguments given via the command line;
+	 * three types are supported:
+	 * 1.
+	 * --parm1 or --parm2=value
+	 * 2. -xyz (multiple switches in one) or -a=value
+	 * 3. parm1 parm2
+	 *
+	 * The 1. will be mapped as
+	 * ["parm1"] => true, ["parm2"] => "value"
+	 * The 2. as
+	 * ["x"] => true, ["y"] => true, ["z"] => true, ["a"] => "value"
+	 * And the 3. as
+	 * [0] => "parm1", [1] => "parm2"
+	 *
+	 * @param array $argv
+	 *
+	 * @return array
+	 */
+	private function _parseArgs($argv)
+	{
+		array_shift($argv);
+		$o = array();
+		foreach ($argv as $a) {
+			if (substr($a, 0, 2) == '--') {
+				$eq = strpos($a, '=');
+				if ($eq !== false) {
+					$o[substr($a, 2, $eq - 2)] = substr($a, $eq + 1);
+				} else {
+					$k = substr($a, 2);
+					if (! isset($o[$k])) {
+						$o[$k] = true;
+					}
+				}
+			} else if (substr($a, 0, 1) == '-') {
+				if (substr($a, 2, 1) == '=') {
+					$o[substr($a, 1, 1)] = substr($a, 3);
+				} else {
+					foreach (str_split(substr($a, 1)) as $k) {
+						if (! isset($o[$k])) {
+							$o[$k] = true;
+						}
+					}
+				}
+			} else {
+				$o[] = $a;
+			}
+		}
+		return $o;
+	}
+
+	/**
+	 * Creates an Action-Object for the Action-Handler
+	 *
+	 * @return Action
+	 * @throws Exception
+	 */
+	private function _createAction()
+	{
+		
+		// Test for help-switch
+		if (empty(self::$args) || array_key_exists("help", self::$args) || array_key_exists("h", self::$args)) {
+			static::printHelp();
+			// end of execution
+		}
+		// check if no unknown parameters are present
+		foreach (self::$args as $arg => $value) {
+			
+			if (is_numeric($arg)) {
+				throw new Exception("Unknown parameter '" . $value . "' in argument list");
+			} elseif (! in_array($arg, static::$params) && ! in_array($arg, static::$switches)) {
+				throw new Exception("Unknown parameter '" . $arg . "' in argument list");
+			}
+		}
+		
+		// set debugger switch
+		if (isset(self::$args["d"]) && self::$args["d"] == true) {
+			// Debugger::getInstance()->setEnabled(true);
+			// Debugger::getInstance()->debug("debug output enabled");
+		}
+		
+		return new static::$action_class(self::$args);
+	}
+
+	public static function getInput($prompt = "#", $default = "")
+	{
+		if (! empty($default)) {
+			$prompt .= " [" . $default . "]";
+		}
+		$result = readline($prompt . ":");
+		if (empty($result) && ! empty($default)) {
+			$result = $default;
+		}
+		return mb_strtolower($result);
+	}
+
+	public static function println($msg = "")
+	{
+		print $msg . PHP_EOL;
+	}
+
+	private static function _printcolor($msg = "", $color = "0")
+	{
+		print "\033[" . $color . "m" . $msg . "\033[0m" . PHP_EOL;
+	}
+
+	public static function printerr($msg = "")
+	{
+		self::_printcolor($msg, "31");
+	}
+
+	public static function printsucc($msg = "")
+	{
+		self::_printcolor($msg, "32");
+	}
+
+	public static function printwarn($msg = "")
+	{
+		self::_printcolor($msg, "33");
+	}
+}

lib/configfiles/gentoo.xml

@@ -353,7 +353,7 @@ exit "$RETVAL"
 			<!--DNS -->
 			<service type="dns" title="{{lng.admin.configfiles.dns}}">
 				<!--Bind9 -->
-				<daemon name="bind" title="Bind9 nameserver">
+				<daemon name="bind" title="Bind9 nameserver" default="true">
 					<install><![CDATA[emerge net-dns/bind]]></install>
 					<file name="/etc/bind/default.zone">
 						<content><![CDATA[

lib/configfiles/jessie.xml

@@ -365,7 +365,7 @@ exit "$RETVAL"
 			<!--DNS -->
 			<service type="dns" title="{{lng.admin.configfiles.dns}}">
 				<!--Bind9 -->
-				<daemon name="bind" title="Bind9 nameserver">
+				<daemon name="bind" title="Bind9 nameserver" default="true">
 					<install><![CDATA[apt-get install bind9]]></install>
 					<command><![CDATA[echo "include \"{{settings.system.bindconf_directory}}froxlor_bind.conf\";" >> /etc/bind/named.conf.local]]></command>
 					<command><![CDATA[touch {{settings.system.bindconf_directory}}froxlor_bind.conf]]></command>

lib/configfiles/precise.xml

@@ -334,7 +334,7 @@ exit "$RETVAL"
 			<!--DNS -->
 			<service type="dns" title="{{lng.admin.configfiles.dns}}">
 				<!--Bind9 -->
-				<daemon name="bind" title="Bind9 nameserver">
+				<daemon name="bind" title="Bind9 nameserver" default="true">
 					<install><![CDATA[apt-get install bind9]]></install>
 					<command><![CDATA[echo "include \"{{settings.system.bindconf_directory}}froxlor_bind.conf\";" >> /etc/bind/named.conf]]></command>
 					<command><![CDATA[touch {{settings.system.bindconf_directory}}froxlor_bind.conf]]></command>

lib/configfiles/stretch.xml

@@ -354,7 +354,7 @@ exit "$RETVAL"
 			<!--DNS -->
 			<service type="dns" title="{{lng.admin.configfiles.dns}}">
 				<!--Bind9 -->
-				<daemon name="bind" title="Bind9 nameserver">
+				<daemon name="bind" title="Bind9 nameserver" default="true">
 					<install><![CDATA[apt-get install bind9]]></install>
 					<command><![CDATA[echo "include \"{{settings.system.bindconf_directory}}froxlor_bind.conf\";" >> /etc/bind/named.conf.local]]></command>
 					<command><![CDATA[touch {{settings.system.bindconf_directory}}froxlor_bind.conf]]></command>

lib/configfiles/trusty.xml

@@ -367,7 +367,7 @@ exit "$RETVAL"
 			<!--DNS -->
 			<service type="dns" title="{{lng.admin.configfiles.dns}}">
 				<!--Bind9 -->
-				<daemon name="bind" title="Bind9 nameserver">
+				<daemon name="bind" title="Bind9 nameserver" default="true">
 					<install><![CDATA[apt-get install bind9]]></install>
 					<command><![CDATA[echo "include \"{{settings.system.bindconf_directory}}froxlor_bind.conf\";" >> /etc/bind/named.conf]]></command>
 					<command><![CDATA[touch {{settings.system.bindconf_directory}}froxlor_bind.conf]]></command>

lib/configfiles/wheezy.xml

@@ -407,7 +407,7 @@ exit "$RETVAL"
 			<!--DNS -->
 			<service type="dns" title="{{lng.admin.configfiles.dns}}">
 				<!--Bind9 -->
-				<daemon name="bind" title="Bind9 nameserver">
+				<daemon name="bind" title="Bind9 nameserver" default="true">
 					<install><![CDATA[apt-get install bind9]]></install>
 					<command><![CDATA[echo "include \"{{settings.system.bindconf_directory}}froxlor_bind.conf\";" >> /etc/bind/named.conf.local]]></command>
 					<command><![CDATA[touch {{settings.system.bindconf_directory}}froxlor_bind.conf]]></command>