Project

General

Profile

Download (12.8 KB) Statistics
| Branch: | Tag: | Revision:

univnautes / usr / local / www / firewall_aliases.php @ a1b66bec

1
<?php
2
/* $Id$ */
3
/*
4
	firewall_aliases.php
5
	Copyright (C) 2004 Scott Ullrich
6
	All rights reserved.
7

    
8
	originally part of m0n0wall (http://m0n0.ch/wall)
9
	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
10
	All rights reserved.
11

    
12
	Redistribution and use in source and binary forms, with or without
13
	modification, are permitted provided that the following conditions are met:
14

    
15
	1. Redistributions of source code must retain the above copyright notice,
16
	   this list of conditions and the following disclaimer.
17

    
18
	2. Redistributions in binary form must reproduce the above copyright
19
	   notice, this list of conditions and the following disclaimer in the
20
	   documentation and/or other materials provided with the distribution.
21

    
22
	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
23
	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
24
	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25
	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
26
	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27
	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28
	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29
	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30
	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31
	POSSIBILITY OF SUCH DAMAGE.
32
*/
33
/*
34
	pfSense_MODULE:	aliases
35
*/
36

    
37
##|+PRIV
38
##|*IDENT=page-firewall-aliases
39
##|*NAME=Firewall: Aliases page
40
##|*DESCR=Allow access to the 'Firewall: Aliases' page.
41
##|*MATCH=firewall_aliases.php*
42
##|-PRIV
43

    
44
require("guiconfig.inc");
45
require_once("functions.inc");
46
require_once("filter.inc");
47
require_once("shaper.inc");
48

    
49
if (!is_array($config['aliases']['alias']))
50
	$config['aliases']['alias'] = array();
51
$a_aliases = &$config['aliases']['alias'];
52

    
53
$tab = ($_REQUEST['tab'] == "" ? "ip" : preg_replace("/\W/","",$_REQUEST['tab']));
54

    
55
if ($_POST) {
56

    
57
	if ($_POST['apply']) {
58
		$retval = 0;
59

    
60
		/* reload all components that use aliases */
61
		$retval = filter_configure();
62

    
63
		if(stristr($retval, "error") <> true)
64
		    $savemsg = get_std_save_message($retval);
65
		else
66
		    $savemsg = $retval;
67
		if ($retval == 0)
68
			clear_subsystem_dirty('aliases');
69
	}
70
}
71

    
72
if ($_GET['act'] == "del") {
73
	if ($a_aliases[$_GET['id']]) {
74
		/* make sure rule is not being referenced by any nat or filter rules */
75
		$is_alias_referenced = false;
76
		$referenced_by = false;
77
		$alias_name = $a_aliases[$_GET['id']]['name'];
78
		// Firewall rules
79
		find_alias_reference(array('filter', 'rule'), array('source', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
80
		find_alias_reference(array('filter', 'rule'), array('destination', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
81
		find_alias_reference(array('filter', 'rule'), array('source', 'port'), $alias_name, $is_alias_referenced, $referenced_by);
82
		find_alias_reference(array('filter', 'rule'), array('destination', 'port'), $alias_name, $is_alias_referenced, $referenced_by);
83
		// NAT Rules
84
		find_alias_reference(array('nat', 'rule'), array('source', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
85
		find_alias_reference(array('nat', 'rule'), array('source', 'port'), $alias_name, $is_alias_referenced, $referenced_by);
86
		find_alias_reference(array('nat', 'rule'), array('destination', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
87
		find_alias_reference(array('nat', 'rule'), array('destination', 'port'), $alias_name, $is_alias_referenced, $referenced_by);
88
		find_alias_reference(array('nat', 'rule'), array('target'), $alias_name, $is_alias_referenced, $referenced_by);
89
		find_alias_reference(array('nat', 'rule'), array('local-port'), $alias_name, $is_alias_referenced, $referenced_by);
90
		// NAT 1:1 Rules
91
		//find_alias_reference(array('nat', 'onetoone'), array('external'), $alias_name, $is_alias_referenced, $referenced_by);
92
		//find_alias_reference(array('nat', 'onetoone'), array('source', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
93
		find_alias_reference(array('nat', 'onetoone'), array('destination', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
94
		// NAT Outbound Rules
95
		find_alias_reference(array('nat', 'advancedoutbound', 'rule'), array('source', 'network'), $alias_name, $is_alias_referenced, $referenced_by);
96
		find_alias_reference(array('nat', 'advancedoutbound', 'rule'), array('sourceport'), $alias_name, $is_alias_referenced, $referenced_by);
97
		find_alias_reference(array('nat', 'advancedoutbound', 'rule'), array('destination', 'address'), $alias_name, $is_alias_referenced, $referenced_by);
98
		find_alias_reference(array('nat', 'advancedoutbound', 'rule'), array('dstport'), $alias_name, $is_alias_referenced, $referenced_by);
99
		find_alias_reference(array('nat', 'advancedoutbound', 'rule'), array('target'), $alias_name, $is_alias_referenced, $referenced_by);
100
		// Alias in an alias
101
		find_alias_reference(array('aliases', 'alias'), array('address'), $alias_name, $is_alias_referenced, $referenced_by);
102
		// Load Balancer
103
		find_alias_reference(array('load_balancer', 'lbpool'),         array('port'), $alias_name, $is_alias_referenced, $referenced_by);
104
		find_alias_reference(array('load_balancer', 'virtual_server'), array('port'), $alias_name, $is_alias_referenced, $referenced_by);
105
		// Static routes
106
		find_alias_reference(array('staticroutes', 'route'), array('network'), $alias_name, $is_alias_referenced, $referenced_by);
107
		if($is_alias_referenced == true) {
108
			$savemsg = sprintf(gettext("Cannot delete alias. Currently in use by %s"), $referenced_by);
109
		} else {
110
			unset($a_aliases[$_GET['id']]);
111
			if (write_config()) {
112
				filter_configure();
113
				mark_subsystem_dirty('aliases');
114
			}
115
			header("Location: firewall_aliases.php?tab=" . $tab);
116
			exit;
117
		}
118
	}
119
}
120

    
121
function find_alias_reference($section, $field, $origname, &$is_alias_referenced, &$referenced_by) {
122
	global $config;
123
	if(!$origname || $is_alias_referenced)
124
		return;
125

    
126
	$sectionref = &$config;
127
	foreach($section as $sectionname) {
128
		if(is_array($sectionref) && isset($sectionref[$sectionname]))
129
			$sectionref = &$sectionref[$sectionname];
130
		else
131
			return;
132
	}
133

    
134
	if(is_array($sectionref)) {
135
		foreach($sectionref as $itemkey => $item) {
136
			$fieldfound = true;
137
			$fieldref = &$sectionref[$itemkey];
138
			foreach($field as $fieldname) {
139
				if(is_array($fieldref) && isset($fieldref[$fieldname]))
140
					$fieldref = &$fieldref[$fieldname];
141
				else {
142
					$fieldfound = false;
143
					break;
144
				}
145
			}
146
			if($fieldfound && $fieldref == $origname) {
147
				$is_alias_referenced = true;
148
				if(is_array($item))
149
					$referenced_by = $item['descr'];
150
				break;
151
			}
152
		}
153
	}
154
}
155

    
156
$pgtitle = array(gettext("Firewall"),gettext("Aliases"));
157
$shortcut_section = "aliases";
158

    
159
include("head.inc");
160

    
161
?>
162

    
163
<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
164
<?php include("fbegin.inc"); ?>
165
<form action="firewall_aliases.php" method="post">
166
<?php if ($savemsg) print_info_box($savemsg); ?>
167
<?php if (is_subsystem_dirty('aliases')): ?><p>
168
<?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."));?>
169
<?php endif; ?>
170
<?php pfSense_handle_custom_code("/usr/local/pkg/firewall_aliases/pre_table"); ?>
171
<table width="100%" border="0" cellpadding="0" cellspacing="0" summary="firewall aliases">
172
	<tr>
173
		<td class="tabnavtbl">
174
			<?php
175
				$tab_array = array();
176
				$tab_array[] = array(gettext("IP"),($tab=="ip" ? true : ($tab=="host" ? true : ($tab == "network" ? true : false))), "/firewall_aliases.php?tab=ip");
177
				$tab_array[] = array(gettext("Ports"), ($tab=="port"? true : false), "/firewall_aliases.php?tab=port");
178
				$tab_array[] = array(gettext("URLs"), ($tab=="url"? true : false), "/firewall_aliases.php?tab=url");
179
				$tab_array[] = array(gettext("All"), ($tab=="all"? true : false), "/firewall_aliases.php?tab=all");
180
				display_top_tabs($tab_array);
181
			?>
182
			<input type="hidden" name="tab" value="<?=htmlspecialchars($tab);?>" />
183
		</td>
184
	</tr>
185
	<tr>
186
		<td>
187
			<div id="mainarea">
188
				<table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0" summary="main area">
189
					<tr>
190
						<td width="20%" class="listhdrr"><?=gettext("Name"); ?></td>
191
						<td width="43%" class="listhdrr"><?=gettext("Values"); ?></td>
192
						<td width="30%" class="listhdr"><?=gettext("Description"); ?></td>
193
						<td width="7%" class="list">
194
							<table  border="0" cellspacing="0" cellpadding="1" summary="add">
195
								<tr>
196
									<td valign="middle" width="17">&nbsp;</td>
197
									<td valign="middle"><a href="firewall_aliases_edit.php?tab=<?=$tab?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0" <?=dom_title(gettext("Add a new alias"));?> alt="add" /></a></td>
198
								</tr>
199
							</table>
200
						</td>
201
					</tr>
202
					<?php
203
					asort($a_aliases);
204
					foreach ($a_aliases as $i=> $alias){
205
						unset ($show_alias);
206
						switch ($tab){
207
						case "all":
208
							$show_alias= true;
209
							break;
210
						case "ip":
211
						case "host":
212
						case "network":
213
							if (preg_match("/(host|network)/",$alias["type"]))
214
								$show_alias= true;
215
							break;
216
						case "url":
217
							if (preg_match("/(url)/i",$alias["type"]))
218
								$show_alias= true;
219
							break;
220
						case "port":
221
							if($alias["type"] == "port")
222
								$show_alias= true;
223
							break;
224
						}
225
						if ($show_alias) {
226
					?>
227
					<tr>
228
						<td class="listlr" ondblclick="document.location='firewall_aliases_edit.php?id=<?=$i;?>';">
229
							<?=htmlspecialchars($alias['name']);?>
230
						</td>
231
						<td class="listr" ondblclick="document.location='firewall_aliases_edit.php?id=<?=$i;?>';">
232
						<?php
233
						if ($alias["url"]) {
234
							echo $alias["url"] . "<br />";
235
						} else {
236
							if(is_array($alias["aliasurl"])) {
237
								$aliasurls = implode(", ", array_slice($alias["aliasurl"], 0, 10));
238
								echo $aliasurls;
239
								if(count($aliasurls) > 10) {
240
									echo "...<br />";
241
								}
242
								echo "<br />\n";
243
							}
244
							$tmpaddr = explode(" ", $alias['address']);
245
							$addresses = implode(", ", array_slice($tmpaddr, 0, 10));
246
							echo $addresses;
247
							if(count($tmpaddr) > 10) {
248
								echo "...";
249
							}
250
						}
251
						?>
252
						</td>
253
						<td class="listbg" ondblclick="document.location='firewall_aliases_edit.php?id=<?=$i;?>';">
254
							<?=htmlspecialchars($alias['descr']);?>&nbsp;
255
						</td>
256
						<td valign="middle" class="list nowrap">
257
							<table border="0" cellspacing="0" cellpadding="1" summary="icons">
258
								<tr>
259
									<td valign="middle"><a href="firewall_aliases_edit.php?id=<?=$i;?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17" height="17" border="0" <?=dom_title(gettext("Edit alias")." {$alias['name']}");?> alt="edit" /></a></td>
260
									<td><a href="firewall_aliases.php?act=del&amp;tab=<?=$tab;?>&amp;id=<?=$i;?>" 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)!");?>')"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" border="0" <?=dom_title(gettext("Delete alias")." {$alias['name']}");?> alt="delete" /></a></td>
261
								</tr>
262
							</table>
263
						</td>
264
					</tr>
265
					<?php
266
						} // if ($show_alias)
267
					} // foreach
268
					?>
269

    
270
					<tr>
271
						<td colspan="3">&nbsp;</td>
272
						<td valign="middle" class="list nowrap">
273
							<table border="0" cellspacing="0" cellpadding="1" summary="edit">
274
								<tbody>
275
									<tr>
276
										<td valign="middle">
277
											<a href="firewall_aliases_edit.php?tab=<?=$tab?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0" <?=dom_title(gettext("Add a new alias")); ?> alt="add" /></a>
278
										</td>
279
										<td valign="middle">
280
											<a href="firewall_aliases_import.php"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_import_alias.gif" width="17" height="17" border="0" <?=dom_title(gettext("Bulk import aliases from list"));?> alt="import" /></a>
281
										</td>
282
									</tr>
283
								</tbody>
284
							</table>
285
						</td>
286
					</tr>
287

    
288
					<tr>
289
						<td class="tabcont" colspan="3">
290
							<p><span class="vexpl"><span class="red"><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>
291
						</td>
292
					</tr>
293
				</table>
294
			</div>
295
		</td>
296
	</tr>
297
</table>
298
</form>
299
<?php include("fend.inc"); ?>
300
</body>
301
</html>
(60-60/256)