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<?php 
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/* $Id$ */
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/*
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	services_snmp.php
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	part of m0n0wall (http://m0n0.ch/wall)
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	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
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	All rights reserved.
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	Redistribution and use in source and binary forms, with or without
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	modification, are permitted provided that the following conditions are met:
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	1. Redistributions of source code must retain the above copyright notice,
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	   this list of conditions and the following disclaimer.
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	2. Redistributions in binary form must reproduce the above copyright
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	   notice, this list of conditions and the following disclaimer in the
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	   documentation and/or other materials provided with the distribution.
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	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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	POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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	pfSense_MODULE:	snmp
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*/
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##|+PRIV
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##|*IDENT=page-services-snmp
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##|*NAME=Services: SNMP page
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##|*DESCR=Allow access to the 'Services: SNMP' page.
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##|*MATCH=services_snmp.php*
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##|-PRIV
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require("guiconfig.inc");
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require_once("functions.inc");
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if (!is_array($config['snmpd'])) {
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	$config['snmpd'] = array();
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	$config['snmpd']['rocommunity'] = "public";
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	$config['snmpd']['pollport'] = "161";
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}
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if (!is_array($config['snmpd']['modules'])) {
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	$config['snmpd']['modules'] = array();
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	$config['snmpd']['modules']['mibii'] = true;
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	$config['snmpd']['modules']['netgraph'] = true;
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	$config['snmpd']['modules']['pf'] = true;
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	$config['snmpd']['modules']['hostres'] = true;
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	$config['snmpd']['modules']['bridge'] = true;
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}
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$pconfig['enable'] = isset($config['snmpd']['enable']);
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$pconfig['pollport'] = $config['snmpd']['pollport'];
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$pconfig['syslocation'] = $config['snmpd']['syslocation'];
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$pconfig['syscontact'] = $config['snmpd']['syscontact'];
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$pconfig['rocommunity'] = $config['snmpd']['rocommunity'];
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/* disabled until some docs show up on what this does.
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$pconfig['rwenable'] = isset($config['snmpd']['rwenable']);
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$pconfig['rwcommunity'] = $config['snmpd']['rwcommunity'];
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*/
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$pconfig['trapenable'] = isset($config['snmpd']['trapenable']);
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$pconfig['trapserver'] = $config['snmpd']['trapserver'];
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$pconfig['trapserverport'] = $config['snmpd']['trapserverport'];
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$pconfig['trapstring'] = $config['snmpd']['trapstring'];
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$pconfig['mibii'] = isset($config['snmpd']['modules']['mibii']);
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$pconfig['netgraph'] = isset($config['snmpd']['modules']['netgraph']);
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$pconfig['pf'] = isset($config['snmpd']['modules']['pf']);
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$pconfig['hostres'] = isset($config['snmpd']['modules']['hostres']);
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$pconfig['bridge'] = isset($config['snmpd']['modules']['bridge']);
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$pconfig['bindlan'] = isset($config['snmpd']['bindlan']);
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if ($_POST) {
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	unset($input_errors);
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	$pconfig = $_POST;
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	/* input validation */
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	if ($_POST['enable']) {
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		if (strstr($_POST['syslocation'],"#")) $input_errors[] = gettext("Invalid character '#' in system location");
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 		if (strstr($_POST['syscontact'],"#")) $input_errors[] = gettext("Invalid character '#' in system contact");
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		if (strstr($_POST['rocommunity'],"#")) $input_errors[] = gettext("Invalid character '#' in read community string");
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		$reqdfields = explode(" ", "rocommunity");
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		$reqdfieldsn = array(gettext("Community"));
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		do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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		$reqdfields = explode(" ", "pollport");
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		$reqdfieldsn = array(gettext("Polling Port"));
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		do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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	}
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	if ($_POST['trapenable']) {
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		if (strstr($_POST['trapstring'],"#")) $input_errors[] = gettext("Invalid character '#' in SNMP trap string");
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		$reqdfields = explode(" ", "trapserver");
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		$reqdfieldsn = array(gettext("Trap server"));
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		do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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		$reqdfields = explode(" ", "trapserverport");
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		$reqdfieldsn = array(gettext("Trap server port"));
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		do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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		$reqdfields = explode(" ", "trapstring");
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		$reqdfieldsn = array(gettext("Trap string"));
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		do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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	}
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/* disabled until some docs show up on what this does.
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	if ($_POST['rwenable']) {
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               $reqdfields = explode(" ", "rwcommunity");
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               $reqdfieldsn = explode(",", "Write community string");
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               do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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	}
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*/
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	if (!$input_errors) {
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		$config['snmpd']['enable'] = $_POST['enable'] ? true : false;
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		$config['snmpd']['pollport'] = $_POST['pollport'];
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		$config['snmpd']['syslocation'] = $_POST['syslocation'];	
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		$config['snmpd']['syscontact'] = $_POST['syscontact'];
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		$config['snmpd']['rocommunity'] = $_POST['rocommunity'];
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		/* disabled until some docs show up on what this does.
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		$config['snmpd']['rwenable'] = $_POST['rwenable'] ? true : false;
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		$config['snmpd']['rwcommunity'] = $_POST['rwcommunity'];
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		*/
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		$config['snmpd']['trapenable'] = $_POST['trapenable'] ? true : false;
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		$config['snmpd']['trapserver'] = $_POST['trapserver'];
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		$config['snmpd']['trapserverport'] = $_POST['trapserverport'];
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		$config['snmpd']['trapstring'] = $_POST['trapstring'];
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		$config['snmpd']['modules']['mibii'] = $_POST['mibii'] ? true : false;
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		$config['snmpd']['modules']['netgraph'] = $_POST['netgraph'] ? true : false;
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		$config['snmpd']['modules']['pf'] = $_POST['pf'] ? true : false;
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		$config['snmpd']['modules']['hostres'] = $_POST['hostres'] ? true : false;
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		$config['snmpd']['modules']['bridge'] = $_POST['bridge'] ? true : false;
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		$config['snmpd']['bindlan'] = $_POST['bindlan'] ? true : false;
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		write_config();
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		$retval = 0;
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		$retval = services_snmpd_configure();
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		$savemsg = get_std_save_message($retval);
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	}
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}
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$pgtitle = array(gettext("Services"),gettext("SNMP"));
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include("head.inc");
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?>
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<script language="JavaScript">
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<!--
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function check_deps() {
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	if ($('hostres').checked == true) {
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		$('mibii').checked = true;
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	}
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}
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function enable_change(whichone) {
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	if( whichone.name == "trapenable" )
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        {
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	    if( whichone.checked == true )
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	    {
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	        document.iform.trapserver.disabled = false;
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	        document.iform.trapserverport.disabled = false;
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	        document.iform.trapstring.disabled = false;
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	    }
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	    else
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	    {
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                document.iform.trapserver.disabled = true;
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                document.iform.trapserverport.disabled = true;
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                document.iform.trapstring.disabled = true;
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	    }
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	}
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	/* disabled until some docs show up on what this does.
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	if( whichone.name == "rwenable"  )
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	{
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	    if( whichone.checked == true )
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	    {
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		document.iform.rwcommunity.disabled = false;
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	    }
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	    else
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	    {
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		document.iform.rwcommunity.disabled = true;
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	    }
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	}
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	*/
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	if( document.iform.enable.checked == true )
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	{
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	    document.iform.pollport.disabled = false;
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	    document.iform.syslocation.disabled = false;
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	    document.iform.syscontact.disabled = false;
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	    document.iform.rocommunity.disabled = false;
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	    document.iform.trapenable.disabled = false;
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	    //document.iform.bindlan.disabled = false;
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	    /* disabled until some docs show up on what this does.
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	    document.iform.rwenable.disabled = false;
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	    if( document.iform.rwenable.checked == true )
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	    {
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	        document.iform.rwcommunity.disabled = false;
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	    }
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	    else
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	    {
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		document.iform.rwcommunity.disabled = true;
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	    }
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	    */
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	    if( document.iform.trapenable.checked == true )
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	    {
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                document.iform.trapserver.disabled = false;
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                document.iform.trapserverport.disabled = false;
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                document.iform.trapstring.disabled = false;
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	    }
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	    else
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	    {
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                document.iform.trapserver.disabled = true;
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                document.iform.trapserverport.disabled = true;
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                document.iform.trapstring.disabled = true;
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	    }
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	    document.iform.mibii.disabled = false;
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	    document.iform.netgraph.disabled = false;
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	    document.iform.pf.disabled = false;
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	    document.iform.hostres.disabled = false;
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	    //document.iform.bridge.disabled = false;
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	}
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	else
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	{
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            document.iform.pollport.disabled = true;
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            document.iform.syslocation.disabled = true;
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            document.iform.syscontact.disabled = true;
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            document.iform.rocommunity.disabled = true;
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	    /* 
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            document.iform.rwenable.disabled = true;
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	    document.iform.rwcommunity.disabled = true;
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	    */
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            document.iform.trapenable.disabled = true;
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            document.iform.trapserver.disabled = true;
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            document.iform.trapserverport.disabled = true;
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            document.iform.trapstring.disabled = true;
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            document.iform.mibii.disabled = true;
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            document.iform.netgraph.disabled = true;
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            document.iform.pf.disabled = true;
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            document.iform.hostres.disabled = true;
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            //document.iform.bridge.disabled = true;
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	    //document.iform.bindlan.disabled = true;
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	}
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}
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//-->
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</script>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<?php if ($savemsg) print_info_box($savemsg); ?>
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            <form action="services_snmp.php" method="post" name="iform" id="iform">
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              <table width="100%" border="0" cellpadding="6" cellspacing="0">
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                <tr> 
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  		  <td colspan="2" valign="top" class="optsect_t">
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  			<table border="0" cellspacing="0" cellpadding="0" width="100%">
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  			<tr><td class="optsect_s"><strong><?=gettext("SNMP Daemon");?></strong></td>
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					<td align="right" class="optsect_s"><input name="enable" id="enable" type="checkbox" value="yes" <?php if ($pconfig['enable']) echo "checked"; ?> onClick="enable_change(this)"> <strong><?=gettext("Enable");?></strong></td></tr>
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  			</table></td>
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                </tr>
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280
                <tr>
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                  <td width="22%" valign="top" class="vncellreq"><?=gettext("Polling Port ");?></td>
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                  <td width="78%" class="vtable">
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                    <input name="pollport" type="text" class="formfld unknown" id="pollport" size="40" value="<?=htmlspecialchars($pconfig['pollport']) ? htmlspecialchars($pconfig['pollport']) : htmlspecialchars(161);?>">
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                    <br><?=gettext("Enter the port to accept polling events on (default 161)");?></br>
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		  </td>
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                </tr>
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                <tr> 
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                  <td width="22%" valign="top" class="vncell"><?=gettext("System location");?></td>
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                  <td width="78%" class="vtable"> 
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                    <input name="syslocation" type="text" class="formfld unknown" id="syslocation" size="40" value="<?=htmlspecialchars($pconfig['syslocation']);?>"> 
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                  </td>
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                </tr>
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295
                <tr> 
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                  <td width="22%" valign="top" class="vncell"><?=gettext("System contact");?></td>
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                  <td width="78%" class="vtable"> 
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                    <input name="syscontact" type="text" class="formfld unknown" id="syscontact" size="40" value="<?=htmlspecialchars($pconfig['syscontact']);?>"> 
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                  </td>
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                </tr>
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                <tr> 
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                  <td width="22%" valign="top" class="vncellreq"><?=gettext("Read Community String");?></td>
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                  <td width="78%" class="vtable"> 
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                    <input name="rocommunity" type="text" class="formfld unknown" id="rocommunity" size="40" value="<?=htmlspecialchars($pconfig['rocommunity']);?>"> 
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		    <br><?=gettext("The community string is like a password, restricting access to querying SNMP to hosts knowing the community string. Use a strong value here to protect from unauthorized information disclosure.");?></br>
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		  </td>
308
                </tr>
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<?php 
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			/* disabled until some docs show up on what this does.
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                <tr>
313
                  <td width="22%" valign="top" class="vtable">&nbsp;</td>
314
                  <td width="78%" class="vtable">
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	 	   <input name="rwenable" id="rwenable" type="checkbox" value="yes" <?php if ($pconfig['rwenable']) echo "checked"; ?> onClick="enable_change(this)">
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                    <strong>Enable Write Community String</strong>
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		  </td>
318
                </tr>
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320
		<tr>
321
		  <td width="22%" valign="top" class="vncellreq">Write community string</td>
322
          <td width="78%" class="vtable">
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                    <input name="rwcommunity" type="text" class="formfld unknown" id="rwcommunity" size="40" value="<?=htmlspecialchars($pconfig['rwcommunity']);?>">
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		    <br>Please use something other then &quot;private&quot; here</br>
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		  </td>
326
                </tr>
327
		    	*/ 
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?>
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330
		<tr><td>&nbsp;</td></tr>
331

    
332
                <tr> 
333
  		  <td colspan="2" valign="top" class="optsect_t">
334
  			<table border="0" cellspacing="0" cellpadding="0" width="100%">
335
  			<tr><td class="optsect_s"><strong><?=gettext("SNMP Traps");?></strong></td>
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			<td align="right" class="optsect_s"><input name="trapenable" id="trapenable" type="checkbox" value="yes" <?php if ($pconfig['trapenable']) echo "checked"; ?> onClick="enable_change(this)"> <strong><?=gettext("Enable");?></strong></td></tr>
337
  			</table></td>
338
                </tr>
339

    
340

    
341
                <tr>
342
                  <td width="22%" valign="top" class="vncellreq"><?=gettext("Trap server");?></td>
343
                  <td width="78%" class="vtable">
344
                    <input name="trapserver" type="text" class="formfld unknown" id="trapserver" size="40" value="<?=htmlspecialchars($pconfig['trapserver']);?>">
345
                    <br><?=gettext("Enter trap server name");?></br>
346
		  </td>
347
                </tr>
348

    
349
                <tr>
350
                  <td width="22%" valign="top" class="vncellreq"><?=gettext("Trap server port ");?></td>
351
                  <td width="78%" class="vtable">
352
                    <input name="trapserverport" type="text" class="formfld unknown" id="trapserverport" size="40" value="<?=htmlspecialchars($pconfig['trapserverport']) ? htmlspecialchars($pconfig['trapserverport']) : htmlspecialchars(162);?>">
353
                    <br><?=gettext("Enter the port to send the traps to (default 162)");?></br>
354
		  </td>
355
                </tr>
356

    
357
                <tr>
358
                  <td width="22%" valign="top" class="vncellreq"><?=gettext("Enter the SNMP trap string");?></td>
359
                  <td width="78%" class="vtable">
360
                    <input name="trapstring" type="text" class="formfld unknown" id="trapstring" size="40" value="<?=htmlspecialchars($pconfig['trapstring']);?>">
361
                    <br><?=gettext("Trap string");?></br>
362
		  </td>
363
                </tr>
364

    
365
		<tr><td>&nbsp;</td></tr>
366

    
367
                <tr> 
368
  		  <td colspan="2" valign="top" class="optsect_t">
369
  			<table border="0" cellspacing="0" cellpadding="0" width="100%">
370
  			<tr><td class="optsect_s"><strong><?=gettext("Modules");?></strong></td>
371
			<td align="right" class="optsect_s">&nbsp;</td></tr>
372
  			</table></td>
373
                </tr>
374

    
375
		<tr>
376
		  <td width="22%" valign="top" class="vncellreq"><?=gettext("SNMP Modules");?></td>
377
		  <td width="78%" class="vtable">
378
		    <input name="mibii" type="checkbox" id="mibii" value="yes" onClick="check_deps()" <?php if ($pconfig['mibii']) echo "checked"; ?> ><?=gettext("MibII"); ?>
379
		    <br />
380
		    <input name="netgraph" type="checkbox" id="netgraph" value="yes" <?php if ($pconfig['netgraph']) echo "checked"; ?> ><?=gettext("Netgraph"); ?>
381
		    <br />
382
		    <input name="pf" type="checkbox" id="pf" value="yes" <?php if ($pconfig['pf']) echo "checked"; ?> ><?=gettext("PF"); ?>
383
		    <br />
384
		    <input name="hostres" type="checkbox" id="hostres" value="yes" onClick="check_deps()" <?php if ($pconfig['hostres']) echo "checked"; ?> ><?=gettext("Host Resources (Requires MibII)");?>
385
		  </td>
386
		</tr>
387
<?php if($config['interfaces']['lan']): ?>
388
		 <tr> 
389
		   <td width="22%" valign="top" class="vtable"></td>
390
		   <td width="78%" class="vtable"> 
391
		     <input name="bindlan" type="checkbox" value="yes" <?php if ($pconfig['bindlan']) echo "checked"; ?>> <strong><?=gettext("Bind to LAN interface only");?></strong>
392
		     <br>
393
		     <?=gettext("This option can be useful when trying to access the SNMP agent".
394
            	    " by the LAN interface's IP address through a VPN tunnel terminated on the WAN interface.");?></td>
395
		 </tr>
396
<?php endif; ?>
397
		 <tr> 
398
		   <td width="22%" valign="top">&nbsp;</td>
399
		   <td width="78%"> 
400
		     <input name="Submit" type="submit" class="formbtn" value="<?=gettext("Save");?>" onClick="enable_change(true)"> 
401
		   </td>
402
		 </tr>
403
		</table>
404
</form>
405
<script language="JavaScript">
406
<!--
407
enable_change(this);
408
//-->
409
</script>
410
<?php include("fend.inc"); ?>
411
</body>
412
</html>
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