rc: improve the php config write

o Don't clobber manually installed extensions
o Remove the XDebug enable in favour of an autoload if available
o No longer install XDebug by default

Adds long overdue copyrights, been handling this file since 2014.

Makefile

@@ -73,7 +73,6 @@ CORE_DEPENDS?=		apinger \
 			phalcon \
 			php-pfSense \
 			php-suhosin \
-			php-xdebug \
 			php56 \
 			php56-bcmath \
 			php56-ctype \

src/etc/rc.php_ini_setup

 #!/bin/sh
 
+# Copyright (C) 2014-2016 Franco Fichtner <franco@opnsense.org>
 # Copyright (C) 2010 Scott Ullrich <sullrich@gmail.com>
 # All rights reserved.
 #
@@ -72,8 +73,13 @@ PHPMODULES="$PHPMODULES filter"
 # OPNsense
 PHPMODULES="$PHPMODULES phalcon"
 
+_EXTENSIONS_INI=$(mktemp -q /tmp/extensions_ini.XXXXXX)
+EXTENSIONS_INI=/usr/local/etc/php/extensions.ini
+
+touch ${EXTENSIONS_INI}
+cp ${EXTENSIONS_INI} ${_EXTENSIONS_INI}
+
 # Clear the .ini file to make sure we are clean
-rm -f /usr/local/etc/php/extensions.ini
 rm -f /usr/local/etc/php.ini
 rm -f /usr/local/lib/php.ini
 
@@ -117,16 +123,15 @@ EOF
 
 # Loop through and generate modules to load.
 for EXT in ${PHPMODULES}; do
-	if [ -f "${EXTENSIONSDIR}${EXT}.so" ]; then
-		echo "extension=${EXT}.so" >> /usr/local/etc/php/extensions.ini
-	fi
+	sed -i '' -e "/${EXT}.so/d" ${_EXTENSIONS_INI}
+	echo "extension=${EXT}.so" >> ${_EXTENSIONS_INI}
 done
 
-# Enable XDebug if enabled in config
-if [ ! -z `grep "<enable_xdebug>1</enable_xdebug>" /conf/config.xml` ]; then
-	cat >> /usr/local/etc/php/extensions.ini << EOF
-zend_extension=xdebug.so
-EOF
+# Enable XDebug if installed
+if [ -f "${EXTENSIONSDIR}xdebug.so" ]; then
+	sed -i '' -e "/xdebug.so/d" ${_EXTENSIONS_INI}
+	echo "zend_extension=${EXTENSIONSDIR}xdebug.so" >> ${_EXTENSIONS_INI}
+
 	cat >> /usr/local/lib/php.ini << EOF
 
 [xdebug]
@@ -156,3 +161,4 @@ EOF
 
 # Copy php.ini file to etc/ too (cli)
 cp /usr/local/lib/php.ini /usr/local/etc/php.ini
+mv ${_EXTENSIONS_INI} ${EXTENSIONS_INI}

src/www/system_advanced_admin.php

@@ -46,7 +46,6 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
     $pconfig['noantilockout'] = isset($config['system']['webgui']['noantilockout']);
     $pconfig['nodnsrebindcheck'] = isset($config['system']['webgui']['nodnsrebindcheck']);
     $pconfig['nohttpreferercheck'] = isset($config['system']['webgui']['nohttpreferercheck']);
-    $pconfig['enable_xdebug'] = isset($config['system']['webgui']['enable_xdebug']) ;
     $pconfig['loginautocomplete'] = isset($config['system']['webgui']['loginautocomplete']);
     $pconfig['althostnames'] = $config['system']['webgui']['althostnames'];
     $pconfig['enableserial'] = $config['system']['enableserial'];
@@ -152,12 +151,6 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
             unset($config['system']['webgui']['nohttpreferercheck']);
         }
 
-        if ($pconfig['enable_xdebug'] == "yes") {
-            $config['system']['webgui']['enable_xdebug'] = true;
-        } elseif (isset($config['system']['webgui']['enable_xdebug'])) {
-            unset($config['system']['webgui']['enable_xdebug']);
-        }
-
         if ($pconfig['loginautocomplete'] == "yes") {
             $config['system']['webgui']['loginautocomplete'] = true;
         } elseif (isset($config['system']['webgui']['loginautocomplete'])) {
@@ -467,18 +460,6 @@ include("head.inc");
                     </div>
                   </td>
                 </tr>
-                <tr>
-                  <td><a id="help_for_xdebug" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Enable XDebug"); ?></td>
-                  <td width="78%">
-                    <input name="enable_xdebug" type="checkbox" value="yes"  <?=!empty($pconfig['enable_xdebug']) ? "checked=\"checked\"" : "";?> />
-                    <strong><?=gettext("Enable debugger / profiler (developer mode, do not enable in production environment)"); ?></strong>
-                    <div class="hidden" for="help_for_xdebug">
-                      <?php echo gettext("When this is checked, php XDebug will be enabled and profiling output can be analysed using webgrind which will be available at [this-url]/webgrind/"); ?>
-                      <br />
-                      <?php echo gettext("For more information about XDebug profiling and how to enable it for your requests, please visit http://www.xdebug.org/docs/all_settings#profiler_enable_trigger"); ?>
-                    </div>
-                  </td>
-                </tr>
                 <tr>
                   <th colspan="2"><?=gettext("Secure Shell"); ?></th>
                 </tr>