firewall_aliases.php 12 KB
Newer Older
Ad Schellevis's avatar
Ad Schellevis committed
1 2
<?php
/*
3
	Copyright (C) 2014 Deciso B.V.
Ad Schellevis's avatar
Ad Schellevis committed
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
	Copyright (C) 2004 Scott Ullrich
	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
	All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice,
	   this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright
	   notice, this list of conditions and the following disclaimer in the
	   documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	POSSIBILITY OF SUCH DAMAGE.
*/

require("guiconfig.inc");
31
require_once("functions.inc");
Ad Schellevis's avatar
Ad Schellevis committed
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146
require_once("filter.inc");
require_once("shaper.inc");

if (!is_array($config['aliases']['alias']))
	$config['aliases']['alias'] = array();
$a_aliases = &$config['aliases']['alias'];

$tab = ($_REQUEST['tab'] == "" ? "ip" : preg_replace("/\W/","",$_REQUEST['tab']));

if ($_POST) {

	if ($_POST['apply']) {
		$retval = 0;

		/* reload all components that use aliases */
		$retval = filter_configure();

		if(stristr($retval, "error") <> true)
		    $savemsg = get_std_save_message($retval);
		else
		    $savemsg = $retval;
		if ($retval == 0)
			clear_subsystem_dirty('aliases');
	}
}

if ($_GET['act'] == "del") {
	if ($a_aliases[$_GET['id']]) {
		/* make sure rule is not being referenced by any nat or filter rules */
		$is_alias_referenced = false;
		$referenced_by = false;
		$alias_name = $a_aliases[$_GET['id']]['name'];
		// Firewall rules
		find_alias_reference(array('filter', 'rule'), array('source', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('filter', 'rule'), array('destination', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('filter', 'rule'), array('source', 'port'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('filter', 'rule'), array('destination', 'port'), $alias_name, $is_alias_referenced, $referenced_by);
		// NAT Rules
		find_alias_reference(array('nat', 'rule'), array('source', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('nat', 'rule'), array('source', 'port'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('nat', 'rule'), array('destination', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('nat', 'rule'), array('destination', 'port'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('nat', 'rule'), array('target'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('nat', 'rule'), array('local-port'), $alias_name, $is_alias_referenced, $referenced_by);
		// NAT 1:1 Rules
		//find_alias_reference(array('nat', 'onetoone'), array('external'), $alias_name, $is_alias_referenced, $referenced_by);
		//find_alias_reference(array('nat', 'onetoone'), array('source', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('nat', 'onetoone'), array('destination', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
		// NAT Outbound Rules
		find_alias_reference(array('nat', 'advancedoutbound', 'rule'), array('source', 'network'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('nat', 'advancedoutbound', 'rule'), array('sourceport'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('nat', 'advancedoutbound', 'rule'), array('destination', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('nat', 'advancedoutbound', 'rule'), array('dstport'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('nat', 'advancedoutbound', 'rule'), array('target'), $alias_name, $is_alias_referenced, $referenced_by);
		// Alias in an alias
		find_alias_reference(array('aliases', 'alias'), array('address'), $alias_name, $is_alias_referenced, $referenced_by);
		// Load Balancer
		find_alias_reference(array('load_balancer', 'lbpool'),         array('port'), $alias_name, $is_alias_referenced, $referenced_by);
		find_alias_reference(array('load_balancer', 'virtual_server'), array('port'), $alias_name, $is_alias_referenced, $referenced_by);
		// Static routes
		find_alias_reference(array('staticroutes', 'route'), array('network'), $alias_name, $is_alias_referenced, $referenced_by);
		if($is_alias_referenced == true) {
			$savemsg = sprintf(gettext("Cannot delete alias. Currently in use by %s"), $referenced_by);
		} else {
			unset($a_aliases[$_GET['id']]);
			if (write_config()) {
				filter_configure();
				mark_subsystem_dirty('aliases');
			}
			header("Location: firewall_aliases.php?tab=" . $tab);
			exit;
		}
	}
}

function find_alias_reference($section, $field, $origname, &$is_alias_referenced, &$referenced_by) {
	global $config;
	if(!$origname || $is_alias_referenced)
		return;

	$sectionref = &$config;
	foreach($section as $sectionname) {
		if(is_array($sectionref) && isset($sectionref[$sectionname]))
			$sectionref = &$sectionref[$sectionname];
		else
			return;
	}

	if(is_array($sectionref)) {
		foreach($sectionref as $itemkey => $item) {
			$fieldfound = true;
			$fieldref = &$sectionref[$itemkey];
			foreach($field as $fieldname) {
				if(is_array($fieldref) && isset($fieldref[$fieldname]))
					$fieldref = &$fieldref[$fieldname];
				else {
					$fieldfound = false;
					break;
				}
			}
			if($fieldfound && $fieldref == $origname) {
				$is_alias_referenced = true;
				if(is_array($item))
					$referenced_by = $item['descr'];
				break;
			}
		}
	}
}

$pgtitle = array(gettext("Firewall"),gettext("Aliases"));
$shortcut_section = "aliases";

include("head.inc");

Ad Schellevis's avatar
Ad Schellevis committed
147 148 149
$main_buttons = array(
	array('href'=>'firewall_aliases_edit.php?tab='.$tab, 'label'=>gettext("Add a new alias")),
	array('href'=>'firewall_aliases_import.php', 'label'=>gettext("Bulk import aliases from list")),
150

Ad Schellevis's avatar
Ad Schellevis committed
151
);
Ad Schellevis's avatar
Ad Schellevis committed
152

Ad Schellevis's avatar
Ad Schellevis committed
153
?>
154

Ad Schellevis's avatar
Ad Schellevis committed
155
<body>
Ad Schellevis's avatar
Ad Schellevis committed
156 157
<?php include("fbegin.inc"); ?>

Ad Schellevis's avatar
Ad Schellevis committed
158
	<section class="page-content-main">
159
		<div class="container-fluid">
Ad Schellevis's avatar
Ad Schellevis committed
160
			<div class="row">
161

Ad Schellevis's avatar
Ad Schellevis committed
162 163 164 165 166
				<?php if ($savemsg) print_info_box($savemsg); ?>
				<?php if (is_subsystem_dirty('aliases')): ?><p>
				<?php print_info_box_np(gettext("The alias list has been changed.") . "<br />" . gettext("You must apply the changes in order for them to take effect."));?>
				<?php endif; ?>
				<?php pfSense_handle_custom_code("/usr/local/pkg/firewall_aliases/pre_table"); ?>
167

Ad Schellevis's avatar
Ad Schellevis committed
168
			    <section class="col-xs-12">
169 170 171


					<?php
Ad Schellevis's avatar
Ad Schellevis committed
172 173 174 175 176 177 178
							$tab_array = array();
							$tab_array[] = array(gettext("IP"),($tab=="ip" ? true : ($tab=="host" ? true : ($tab == "network" ? true : false))), "/firewall_aliases.php?tab=ip");
							$tab_array[] = array(gettext("Ports"), ($tab=="port"? true : false), "/firewall_aliases.php?tab=port");
							$tab_array[] = array(gettext("URLs"), ($tab=="url"? true : false), "/firewall_aliases.php?tab=url");
							$tab_array[] = array(gettext("All"), ($tab=="all"? true : false), "/firewall_aliases.php?tab=all");
							display_top_tabs($tab_array);
						?>
179 180 181


						<div class="tab-content content-box col-xs-12">
Jos Schellevis's avatar
Jos Schellevis committed
182 183
	                        <form action="firewall_aliases.php" method="post" name="iform" id="iform">
								<input type="hidden" name="tab" value="<?=htmlspecialchars($tab);?>" />
184

Ad Schellevis's avatar
Ad Schellevis committed
185 186 187 188 189 190
		                        <div class="table-responsive">
			                        <table class="table table-striped table-sort">
										<tr>
											<td width="20%" class="listhdrr"><?=gettext("Name"); ?></td>
											<td width="43%" class="listhdrr"><?=gettext("Values"); ?></td>
											<td width="30%" class="listhdr"><?=gettext("Description"); ?></td>
Jos Schellevis's avatar
Jos Schellevis committed
191
											<td width="7%" class="list"></td>
Ad Schellevis's avatar
Ad Schellevis committed
192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251
										</tr>
										<?php
										asort($a_aliases);
										foreach ($a_aliases as $i=> $alias){
											unset ($show_alias);
											switch ($tab){
											case "all":
												$show_alias= true;
												break;
											case "ip":
											case "host":
											case "network":
												if (preg_match("/(host|network)/",$alias["type"]))
													$show_alias= true;
												break;
											case "url":
												if (preg_match("/(url)/i",$alias["type"]))
													$show_alias= true;
												break;
											case "port":
												if($alias["type"] == "port")
													$show_alias= true;
												break;
											}
											if ($show_alias) {
										?>
										<tr>
											<td class="listlr" ondblclick="document.location='firewall_aliases_edit.php?id=<?=$i;?>';">
												<?=htmlspecialchars($alias['name']);?>
											</td>
											<td class="listr" ondblclick="document.location='firewall_aliases_edit.php?id=<?=$i;?>';">
											<?php
											if ($alias["url"]) {
												echo $alias["url"] . "<br />";
											} else {
												if(is_array($alias["aliasurl"])) {
													$aliasurls = implode(", ", array_slice($alias["aliasurl"], 0, 10));
													echo $aliasurls;
													if(count($aliasurls) > 10) {
														echo "...<br />";
													}
													echo "<br />\n";
												}
												$tmpaddr = explode(" ", $alias['address']);
												$addresses = implode(", ", array_slice($tmpaddr, 0, 10));
												echo $addresses;
												if(count($tmpaddr) > 10) {
													echo "...";
												}
											}
											?>
											</td>
											<td class="listbg" ondblclick="document.location='firewall_aliases_edit.php?id=<?=$i;?>';">
												<?=htmlspecialchars($alias['descr']);?>&nbsp;
											</td>
											<td valign="middle" class="list nowrap">
												<table border="0" cellspacing="0" cellpadding="1" summary="icons">
													<tr>
														<td valign="middle">
															 <a href="firewall_aliases_edit.php?id=<?=$i;?>" class="btn btn-default"><span class="glyphicon glyphicon-edit" title="<?=gettext("Edit alias")." ".$alias['name'];?>"></span></a>
252

Ad Schellevis's avatar
Ad Schellevis committed
253
															 <a href="firewall_aliases.php?act=del&amp;tab=<?=$tab;?>&amp;id=<?=$i;?>" class="btn btn-default"  onclick="return confirm('<?=gettext("Do you really want to delete this alias? All elements that still use it will become invalid (e.g. filter rules)!");?>')"><span class="glyphicon glyphicon-remove"></span></a>
254

Ad Schellevis's avatar
Ad Schellevis committed
255 256 257 258 259 260 261 262
															</td>
													</tr>
												</table>
											</td>
										</tr>
										<?php
											} // if ($show_alias)
										} // foreach
263
										?>
Ad Schellevis's avatar
Ad Schellevis committed
264 265
									</table>
								</div>
Ad Schellevis's avatar
Ad Schellevis committed
266
								<div class="container-fluid">
Jos Schellevis's avatar
Jos Schellevis committed
267
								    <p><span class="vexpl"><span class="text-danger"><strong><?=gettext("Note:"); ?><br /></strong></span></span></p><div style="overflow:hidden; text-align:justify;"><p><span class="vexpl"><?=gettext("Aliases act as placeholders for real hosts, networks or ports. They can be used to minimize the number of changes that have to be made if a host, network or port changes. You can enter the name of an alias instead of the host, network or port in all fields that have a red background. The alias will be resolved according to the list above. If an alias cannot be resolved (e.g. because you deleted it), the corresponding element (e.g. filter/NAT/shaper rule) will be considered invalid and skipped."); ?></span></p></div>
Ad Schellevis's avatar
Ad Schellevis committed
268
							    </div>
Jos Schellevis's avatar
Jos Schellevis committed
269
	                        </form>
Ad Schellevis's avatar
Ad Schellevis committed
270 271
						</div>
			    </section>
Ad Schellevis's avatar
Ad Schellevis committed
272
			</div>
Ad Schellevis's avatar
Ad Schellevis committed
273 274
		</div>
	</section>
275
<?php include("foot.inc"); ?>