firewall_shaper_layer7.php 20.1 KB
Newer Older
Ad Schellevis's avatar
Ad Schellevis committed
1 2 3 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 31 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591
<?php
/* $Id$ */
/*
	firewall_shaper_layer7.php
	Copyright (C) 2008 Helder Pereira, André Ribeiro
	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.
*/
/*
	pfSense_BUILDER_BINARIES:	/usr/bin/killall
	pfSense_MODULE:	shaper
*/

##|+PRIV
##|*IDENT=page-firewall-trafficshaper-layer7
##|*NAME=Firewall: Traffic Shaper: Layer7 page
##|*DESCR=Allow access to the 'Firewall: Traffic Shaper: Layer7' page.
##|*MATCH=firewall_shaper_layer7.php*
##|-PRIV

require("guiconfig.inc");
require_once("functions.inc");
require_once("filter.inc");
require_once("shaper.inc");

// Variables protocols (dynamic) and structures (static)
$avail_protos =& generate_protocols_array();
$avail_structures = array("action","queue","limiter");

// Available behaviours
$avail_behaviours_action = array("block");
read_altq_config();
$avail_behaviours_altq = get_altq_name_list();
read_dummynet_config();
$avail_behaviours_limiter = get_dummynet_name_list();
$show_proto_form = false;

//More variables
$pgtitle = array(gettext("Firewall"),gettext("Traffic Shaper"), gettext("Layer7"));
$shortcut_section = "trafficshaper";

$output_form = "";

$default_layer7shaper_msg = "<tr><td colspan=\"4\">";
$default_layer7shaper_msg .= "<span class=\"vexpl\"><span class=\"red\"><strong>" . gettext("Note") . ":<br />";
$default_layer7shaper_msg .= "</strong></span>" . gettext("You can add new layer7 protocol patterns by simply uploading the file") . " <a href=\"diag_patterns.php\">" . gettext("here") . ".</a></span><br />";
$default_layer7shaper_msg .= "</td></tr>";


read_layer7_config();

if($_GET['reset'] <> "") {
	// kill all ipfw-classifyd processes
	mwexec("killall -9 ipfw-classifyd");
	exit;
}

if ($_GET) {
	if ($_GET['container'])
		$name = htmlspecialchars(trim($_GET['container']));
        if ($_GET['action'])
                $action = htmlspecialchars($_GET['action']);
}

if($_POST) {
	if ($_POST['container']) {
		$name = htmlspecialchars(trim($_POST['container']));
	}
}

if ($name) {
	//Get the object from the 7rules list
	$container = $layer7_rules_list[$name];
}

if ($_GET) {
	switch ($action) {
		case "add":
			$show_proto_form = true;
			$container = new layer7();
			$output_form .= $container->build_form(); //constructs the graphical interface on the right side
			unset($container);
			break;
		case "show":
			$show_proto_form = true;
			if($container) {
				$output_form .= $container->build_form();
			}
			else {
				$show_proto_form = false;
				$input_errors[] = gettext("Layer7 Rules Container not found!");
			}
			break;
		default:
			echo log_error("Get default");
			$show_proto_form = false;
			$output_form .= $dn_default_shaper_msg . $default_layer7shaper_msg;
			break;
	}
}

//add a new l7rules container
else if ($_POST) {
	$show_proto_form = true;
	unset($input_errors);

	if($_POST['submit']) {
		if (isset($layer7_rules_list[$name])) {
			$l7r = $layer7_rules_list[$name];
			$_POST['divert_port'] = $l7r->GetRPort();
		} else {
			$l7r =& new layer7();
			$_POST['divert_port'] = $l7r->gen_divert_port();
		}
		for($i=0; $_POST['protocol'][$i] <> ""; $i++) {
			$_POST['l7rules'][$i]['protocol'] = $_POST['protocol'][$i];
			$_POST['l7rules'][$i]['structure'] = $_POST['structure'][$i];
			$_POST['l7rules'][$i]['behaviour'] = $_POST['behaviour'][$i];
		}
		$l7r->validate_input($_POST,$input_errors);
		$l7r->ReadConfig($_POST['container'], $_POST);
		//Before writing the results, we need to test for repeated protocols
		$non_dupes = array();
		$dupes = array();
		for($j=0; $j<$i; $j++) {
			if(!$non_dupes[$_POST['protocol'][$j]])
				$non_dupes[$_POST['protocol'][$j]] = true;
			else
				$dupes[] = $_POST['protocol'][$j];
		}
		unset($non_dupes);
		if(sizeof($dupes) == 0 && !$input_errors) {
			$l7r->wconfig();
			if (write_config())
				mark_subsystem_dirty('shaper');

			read_layer7_config();
		}
		else {
			if(sizeof($dupes) > 0) {
				$dupe_error = gettext("Found the following repeated protocol definitions") . ": ";
				foreach($dupes as $dupe)
					$dupe_error .= "$dupe ";
				$input_errors[] .= $dupe_error;
			}
		}
		unset($dupes);
		unset($dupe_error);
		//Even if there are repeated protocols, we won't lose any previous values
		//The user will be able to solve the situation
		$output_form .= $l7r->build_form();
		//Necessary to correctly build the proto form
		$container = $layer7_rules_list[$name];
		if($input_errors)
			$container =& $l7r;
	} else if($_POST['apply']) {
		write_config();

		$retval = 0;
		$retval = filter_configure();
		$savemsg = get_std_save_message($retval);

		if(stristr($retval, "error") <> true)
			$savemsg = get_std_save_message($retval);
		else
			$savemsg = $retval;

		clear_subsystem_dirty('shaper');

		if($container) {
			$output_form .= $container->build_form();
		} else {
			$show_proto_form = false;
			$output_form .= $dn_default_shaper_msg . $default_layer7shaper_msg;
		}
	} else if ($_POST['delete']) {
		$container->delete_l7c();
		if (write_config())
			mark_subsystem_dirty('shaper');
		unset($container);

		header("Location: firewall_shaper_layer7.php");
		exit;
	}
	else {
		$show_proto_form = false;
	}
}
else {
	$show_proto_form = false;
	$output_form .= $dn_default_shaper_msg . $default_layer7shaper_msg;
}

// Builds the left tree
$tree = "<ul class=\"tree\" >";
if (is_array($layer7_rules_list)) {
        foreach ($layer7_rules_list as $tmpl7) {
                $tree .= $tmpl7->build_tree();
        }
}
$tree .= "</ul>";

$output = "<table summary=\"output form\">";
$output .= $output_form;
$closehead = false;
include("head.inc");
?>
<link rel="stylesheet" type="text/css" media="all" href="./tree/tree.css" />
<script type="text/javascript" src="./tree/tree.js"></script>

<script type="text/javascript">
//<![CDATA[
var initial_count = new Array();
var rows_limit = 0; // Set to 0 to disable limitation


/* Build the behaviours arrays in javascript */
var js_behaviours_action = ['block']; //static

var js_behaviours_altq = new Array();
js_behaviours_altq = array_altq(js_behaviours_altq);

var js_behaviours_limiter = new Array();
js_behaviours_limiter = array_limiter(js_behaviours_limiter);

function array_altq(a_behav) {
	var index;
	<?php if (!empty($avail_behaviours_altq)) {
	  foreach ($avail_behaviours_altq as $key => $queue) { ?>
	    name = "<?= $queue; ?>";
	    index = <?= $key; ?>;
	    a_behav[index] = name;
	<?php }
	} ?>
	return a_behav;
}

function array_limiter(a_behav) {
	var index;
	<?php if (!empty($avail_behaviours_limiter)) {
	  foreach ($avail_behaviours_limiter as $key => $limiter) { ?>
		name = "<?= $limiter; ?>";
		index = <?= $key; ?>;
		a_behav[index] = name;
	<?php }
	} ?>
	return a_behav;
}

/* Fill the variables with available protocols, structures and behaviours */
function fillProtocol() {
	var protocol = '<select name="protocol[]" style="font-size:8pt">';
	var name;

	<?php foreach ($avail_protos as $key => $proto) { ?>
		name = "<?= $proto; ?>";
		protocol += "<option value=" + name + ">" + name + "<\/option>";
	<?php } ?>
	protocol += "<\/select>";

	return protocol;
}

function fillStructure() {
	var structure = '<select name="structure[]" style="font-size:8pt" onchange="changeBehaviourValues(this.parentNode.parentNode);">';
	var name;
	<?php foreach ($avail_structures as $key => $struct) { ?>
		name = "<?= $struct; ?>";
		if(name == "queue") {
		  if(js_behaviours_altq != "") { structure += "<option value=" + name + ">" + name + "<\/option>";}
		}
		else {
		  if(name == "limiter") {
		    if(js_behaviours_limiter != "") { structure += "<option value=" + name + ">" + name + "<\/option>";}
		  }
		  else structure += "<option value=" + name + ">" + name + "<\/option>"; //action
		}
	<?php } ?>
	structure += "<\/select>";

	return structure;
}

//Used by default to fill the values when inserting a new row.
function fillBehaviour() {
	var behaviour = '<select name="behaviour[]" style="width:80px; font-size:8pt">';
	var name;
	<?php foreach ($avail_behaviours_action as $key => $behav) { ?>
		name = "<?= $behav; ?>";
		behaviour += "<option value=" + name + ">" + name + "<\/option>";
	<?php } ?>
	behaviour += "<\/select>";

	return behaviour;
}

/* Change the values on behaviours select when changing the structure row */
function changeBehaviourValues(row) {
	var selectedRow = row.rowIndex - 2; //because row.rowIndex returns 2, not 0
	var structureSelected = document.getElementsByName("structure[]")[selectedRow].value;

	//Select the behaviours values to array a_behav
	var a_behav = new Array();
	if (structureSelected == "action") {
		a_behav = js_behaviours_action; //static
	}
	else {
		if (structureSelected == "queue") {
			a_behav = js_behaviours_altq;
		}
		else {
			a_behav = js_behaviours_limiter;
		}
	}

	//Build the html statement with the array values previously selected
	var new_behav;
	var name;
	for(i=0; i<a_behav.length; i++) {
		new_behav += "<option value=" + a_behav[i] + ">" + a_behav[i] + "<\/option>";
	}

	document.getElementsByName("behaviour[]")[selectedRow].innerHTML = new_behav;
}

/* Add row to the table */
function addRow(table_id) {
  var tbl = document.getElementById(table_id);
  // counting rows in table
  var rows_count = tbl.rows.length;
  if (initial_count[table_id] == undefined) {
    // if it is first adding in this table setting initial rows count
    initial_count[table_id] = rows_count;
  }
  // determining real count of added fields
  var tFielsNum =  rows_count - initial_count[table_id];
  if (rows_limit!=0 && tFielsNum >= rows_limit) return false;

  var remove = '<a onclick="removeRow(\''+table_id+'\',this.parentNode.parentNode)" href="#"><img border="0" src="/themes/<?=$g['theme'];?>/images/icons/icon_x.gif" alt="x" /><\/a>';

  try {
    var newRow = tbl.insertRow(rows_count);
    var newCell = newRow.insertCell(0);
    newCell.innerHTML = fillProtocol();
    var newCell = newRow.insertCell(1);
    newCell.innerHTML = fillStructure();
    var newCell = newRow.insertCell(2);
    newCell.innerHTML = fillBehaviour();
    var newCell = newRow.insertCell(3);
    newCell.innerHTML = remove;
  }
  catch (ex) {
    //if exception occurs
    alert(ex);
  }
}

/* Remove row from the table */
function removeRow(tbl,row) {
  var table = document.getElementById(tbl);
  try {
    table.deleteRow(row.rowIndex);
  } catch (ex) {
    alert(ex);
  }
}
//]]>
</script>
</head>

<body link="#0000CC" vlink="#0000CC" alink="#0000CC">

<?php include("fbegin.inc"); ?>
<div id="inputerrors"></div>
<?php if ($input_errors) print_input_errors($input_errors); ?>

<form action="firewall_shaper_layer7.php" method="post" id="iform" name="iform">

<?php if ($savemsg) print_info_box($savemsg); ?>
<?php if (is_subsystem_dirty('shaper')): ?><p>
<?php print_info_box_np(gettext("The traffic shaper configuration has been changed")  .  ".<br />" . gettext("You must apply the changes in order for them to take effect."));?><br /></p>
<?php endif; ?>
<table width="100%" border="0" cellpadding="0" cellspacing="0" summary="traffic shaper layer7">
  <tr><td>
<?php
	$tab_array = array();
	$tab_array[0] = array(gettext("By Interface"), false, "firewall_shaper.php");
	$tab_array[1] = array(gettext("By Queue"), false, "firewall_shaper_queues.php");
	$tab_array[2] = array(gettext("Limiter"), false, "firewall_shaper_vinterface.php");
	$tab_array[3] = array(gettext("Layer7"), true, "firewall_shaper_layer7.php");
	$tab_array[4] = array(gettext("Wizards"), false, "firewall_shaper_wizards.php");
	display_top_tabs($tab_array);
?>
  </td></tr>
  <tr>
    <td>
	<div id="mainarea">
              <table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0" summary="main area">

		<?php if (count($layer7_rules_list) > 0): ?>
                        <tr class="tabcont"><td width="25%" align="left">
                        </td><td width="75%"> </td></tr>

		<?php endif; ?>
			<tr>
			<td width="25%" valign="top" align="left">
			<?php
				echo $tree;
			?>
			<br /><br />
			<a href="firewall_shaper_layer7.php?action=add">
			<img src="./themes/<?=$g['theme']; ?>/images/icons/icon_plus.gif" title="<?=gettext("Create new l7 rules group"); ?>" width="17" height="17" border="0" alt="add" />  <?=gettext("Create new l7 rules group"); ?>
			</a><br />
			</td>
			<td width="75%" valign="top" align="center">
			<div id="shaperarea" style="position:relative">
			<?php
				echo $output;
			?>

			<!-- Layer 7 rules form -->
			<?php if($show_proto_form): ?>
			<tr><td width="22%" valign="top" class="vncellreq">
                                <div id="addressnetworkport">
                                        <?=gettext("Rule(s)"); ?>
                                </div>
                        </td>

                        <td width="78%" class="vtable">
                                <table width="236" id="maintable" summary="main table">
					<tbody>

						<tr>
                                                        <td colspan="4">
                                                            <div style="font-size: 8pt; padding:5px; margin-top: 16px; margin-bottom: 16px; border:1px dashed #000066;"
                                                                id="itemhelp">
                                                                <?=gettext("Add one or more rules"); ?>
                                                            </div>
                                                        </td>
                                                </tr>

                                                <tr>
                                                        <td>
                                                            <div style="font-size: 8pt; padding:5px;"
                                                                id="onecolumn">
                                                                <?=gettext("Protocol"); ?>
                                                            </div>
                                                        </td>

                                                        <td>
                                                            <div style="font-size: 8pt; padding:5px;"
                                                                id="twocolumn">
                                                                <?=gettext("Structure"); ?>
                                                            </div>
                                                        </td>

                                                        <td>
                                                            <div style="font-size: 8pt; padding:5px;"
                                                                id="threecolumn">
                                                                <?=gettext("Behaviour"); ?>
                                                            </div>
                                                        </td>
                                                </tr>
                                                <!-- PHP Code to generate the existing rules -->
						<?php
						if($container) {
							foreach($container->rsets as $l7rule) {
						?>
						<tr>
							<td>
							<select name="protocol[]" class="formselect" style="font-size:8pt">
							<?php foreach($avail_protos as $proto): ?>
							<option value="<?=$proto;?>" <?php if ($proto == $l7rule->GetRProtocol()) echo "selected=\"selected\""; ?>><?=$proto;?></option>
							<?php endforeach; ?>
							</select>
						</td>
						<td>
							<select name="structure[]" class="formselect" style="font-size:8pt" onchange="changeBehaviourValues(this.parentNode.parentNode);">
							<?php foreach($avail_structures as $struct) {
							  if($struct == "queue") {
							    if(!empty($avail_behaviours_altq)) { ?>
							      <option value="<?=$struct ?>" <?php if ($struct == $l7rule->GetRStructure()) echo "selected=\"selected\""; ?>><?=$struct;?></option>
							    <?php }
							  }
							  else {
							    if($struct == "limiter") {
								if(!empty($avail_behaviours_limiter)) { ?>
								  <option value="<?=$struct ?>" <?php if ($struct == $l7rule->GetRStructure()) echo "selected=\"selected\""; ?>><?=$struct;?></option>
								<?php }
							    }
							    else {
							      if($struct == "action") { ?>
								  <option value="<?=$struct ?>" <?php if ($struct == $l7rule->GetRStructure()) echo "selected=\"selected\""; ?>><?=$struct;?></option>
							      <?php }
							    }
							  }
							} ?>
							</select>
						</td>
						<td>
							<select name="behaviour[]" class="formselect" style="width:80px; font-size:8pt">
							<?php if($l7rule->GetRStructure() == "action"): ?>
								<?php foreach($avail_behaviours_action as $behaviour): ?>
								<option value="<?=$behaviour ?>" <?php if ($behaviour == $l7rule->GetRBehaviour()) echo "selected=\"selected\""; ?>><?=$behaviour;?></option>
								<?php endforeach; ?>
								</select>
							<?php endif; ?>
							<?php if($l7rule->GetRStructure() == "queue"): ?>
								<?php foreach($avail_behaviours_altq as $behaviour): ?>
								<option value="<?=$behaviour ?>" <?php if ($behaviour == $l7rule->GetRBehaviour()) echo "selected=\"selected\""; ?>><?=$behaviour;?></option>
								<?php endforeach; ?>
								</select>
							<?php endif; ?>
							<?php if($l7rule->GetRStructure() == "limiter"): ?>
								<?php foreach($avail_behaviours_limiter as $behaviour): ?>
								<option value="<?=$behaviour ?>" <?php if ($behaviour == $l7rule->GetRBehaviour()) echo "selected=\"selected\""; ?>><?=$behaviour;?></option>
								<?php endforeach; ?>
								</select>
							<?php endif; ?>
						</td>
						<td>
							<a onclick="removeRow('maintable',this.parentNode.parentNode); return false;" href="#"><img border="0" src="/themes/<?=$g['theme'];?>/images/icons/icon_x.gif" alt="x" /></a>
						</td>
						</tr>

						<?php
							} //end foreach
						} //end if
						?>
                                        </tbody>
                                </table>

                                        <a onclick="javascript:addRow('maintable'); return false;" href="#"> <img border="0"
                                                src="/themes/<?=$g['theme']; ?>/images/icons/icon_plus.gif"
                                                alt="" title="<?=gettext("add another entry"); ?>" /> </a>
                        </td>
			</tr>

                        <tr>
                        <td width="22%" valign="top">
                                &nbsp;
                        </td>

                        <td width="78%">
                                <input id="submit" name="submit" type="submit" class="formbtn" value="<?=gettext("Save"); ?>" />

				<a href="firewall_shaper_layer7.php">
                                <input id="cancelbutton" name="cancelbutton" type="button" class="formbtn" value="<?=gettext("Cancel"); ?>" />

				<?php if($container): ?>
						<input id="delete" type="submit" class="formbtn" name="delete" value="<?=gettext("Delete"); ?>" />
				<?php endif ?>
				</a>
                        </td>
                        </tr>
			<?php endif; ?>
			<!-- End of layer7 rules form -->
			</table>
			</div><!-- end of div:shape area -->

		      </td></tr>
                    </table>
		</div>
	  </td>
	</tr>
</table>
</form>

<?php include("fend.inc"); ?>
</body>
</html>