<?php

// Pandora FMS - http://pandorafms.com
// ==================================================
// Copyright (c) 2005-2011 Artica Soluciones Tecnologicas
// Please see http://pandorafms.org for full contribution list

// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; version 2

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

global $config;
include_once($config['homedir'] . "/include/functions_agents.php");
require_once ('include/functions_modules.php');
require_once ('include/functions_alerts.php');
require_once ('include/functions_reporting.php');
require_once ('include/graphs/functions_utils.php');

function snmp_explorer() {
	
	$idAgent = (int) get_parameter('id_agente', 0);
	$ipAgent = db_get_value('direccion', 'tagente', 'id_agente', $idAgent);
	
	// Load global vars
	global $config;
	
	
	check_login ();
	
	$ip_target = (string) get_parameter ('ip_target', $ipAgent);
	$snmp_community = (string) get_parameter ('snmp_community', 'public');
	$snmp_version = get_parameter('snmp_version', '1');
	$snmp3_auth_user = get_parameter('snmp3_auth_user');
	$snmp3_security_level = get_parameter('snmp3_security_level');
	$snmp3_auth_method = get_parameter('snmp3_auth_method');
	$snmp3_auth_pass = get_parameter('snmp3_auth_pass');
	$snmp3_privacy_method = get_parameter('snmp3_privacy_method');
	$snmp3_privacy_pass = get_parameter('snmp3_privacy_pass');
	$tcp_port = (string) get_parameter ('tcp_port');
	
	//See if id_agente is set (either POST or GET, otherwise -1
	$id_agent = $idAgent;
	
	// Get passed variables
	$snmpwalk = (int) get_parameter("snmpwalk", 0);
	$create_modules = (int) get_parameter("create_modules", 0);
	
	$interfaces = array();
	
	if($snmpwalk) {	
		
		$snmpis = get_snmpwalk($ip_target, $snmp_version, $snmp_community, $snmp3_auth_user,
			$snmp3_security_level, $snmp3_auth_method, $snmp3_auth_pass,
			$snmp3_privacy_method, $snmp3_privacy_pass, 0, ".1.3.6.1.2.1", $tcp_port);
		
		if($snmpis === false) {
			$snmpis = array();
		}
		
		$interfaces = array();
		
		// We get here only the interface part of the MIB, not full mib
		foreach($snmpis as $key => $snmp) {
			
			$data = explode(': ',$snmp);
			$keydata = explode('::',$key);
			$keydata2 = explode('.',$keydata[1]);
			
			if(!isset($keydata2[1])) {
				continue;
			}
			
			if(array_key_exists(1,$data)) {
				$interfaces[$keydata2[1]][$keydata2[0]]['type'] = $data[0];
				$interfaces[$keydata2[1]][$keydata2[0]]['value'] = $data[1];
			}
			else {
				$interfaces[$keydata2[1]][$keydata2[0]]['type'] = '';
				$interfaces[$keydata2[1]][$keydata2[0]]['value'] = $data[0];
			}
			
			$interfaces[$keydata2[1]][$keydata2[0]]['oid'] = $key;
			$interfaces[$keydata2[1]][$keydata2[0]]['checked'] = 0;
		}
		
		unset($interfaces[0]);
	}
	
	if ($create_modules) {
		$id_snmp_serialize = get_parameter_post('id_snmp_serialize');
		$interfaces = unserialize_in_temp($id_snmp_serialize);
		
		if(!$interfaces) {
			$interfaces = array();
		}
		
		$values = array();
		
		if($tcp_port != '') {
			$values['tcp_port'] = $tcp_port;
		}
		$values['snmp_community'] = $snmp_community;
		$values['ip_target'] = $ip_target;
		$values['tcp_send'] = $snmp_version;
		
		if($snmp_version == '3') {
			$values['plugin_user'] = $snmp3_auth_user;
			$values['plugin_pass'] = $snmp3_auth_pass;
			$values['plugin_parameter'] = $snmp3_auth_method;
			$values['custom_string_1'] = $snmp3_privacy_method;
			$values['custom_string_2'] = $snmp3_privacy_pass;
			$values['custom_string_3'] = $snmp3_security_level;
		}
		
		$oids = array();
		foreach($interfaces as $key => $interface) {
			foreach($interface as $key2 => $module) {
				$oid = get_parameter($key."-".$key2, '');
				if($oid != '') {
					$interfaces[$key][$key2]['checked'] = 1;
					$oids[$key][] = $interfaces[$key][$key2]['oid'];
				}
				else {
					$interfaces[$key][$key2]['checked'] = 0;
				}
			}
		}
		$modules = get_parameter('module', array());
		$id_snmp = get_parameter('id_snmp');
		
		if($id_snmp == false) {
			ui_print_error_message (__('No modules selected'));
			$id_snmp = array();
		}
		
		if(agents_get_name($id_agent) == false) {
			ui_print_error_message (__('No agent selected or the agent does not exist'));
			$id_snmp = array();
		}
		
		$result = false;
		
		$errors = array();
		$done = 0;
		
		foreach($id_snmp as $id) {
			if (isset($interfaces[$id]['ifName']) && $interfaces[$id]['ifName']['value'] != ""){
				$ifname = $interfaces[$id]['ifName']['value'];
			}
			else if (isset($interfaces[$id]['ifDescr']) && $interfaces[$id]['ifDescr']['value'] != ""){
				$ifname = $interfaces[$id]['ifDescr']['value'];
			}
			foreach($modules as $module) {
				$oid_array = explode('.',$module);
				$oid_array[count($oid_array)-1] = $id;
				$oid = implode('.',$oid_array);
				
				// Get the name
				$name_array = explode('::',$oid_array[0]);
				$name = $name_array[1] . "_" . $ifname;
				
				// Clean the name
				$name = str_replace  ( "\""  , "" , $name);
				
				// Proc moduletypes
				if (preg_match  ( "/Status/", $name_array[1]))
					$module_type = 18;
				
				elseif (preg_match  ( "/Present/", $name_array[1]))
					$module_type = 18;
				
				elseif (preg_match  ( "/PromiscuousMode/", $name_array[1]))
					$module_type = 18;
				
				// String moduletypes
				elseif (preg_match  ( "/Alias/", $name_array[1]))
					$module_type = 17;
				
				elseif (preg_match  ( "/Address/", $name_array[1]))
					$module_type = 17;
				
				elseif (preg_match  ( "/Name/", $name_array[1]))
					$module_type = 17;
				
				elseif (preg_match  ( "/Specific/", $name_array[1]))
					$module_type = 17;
				
				elseif (preg_match  ( "/Descr/", $name_array[1]))
					$module_type = 17;
				
				// Specific counters (ends in s)
				elseif (preg_match  ( "/s$/", $name_array[1]))
					$module_type = 16;
				
				// Otherwise, numeric
				else
					$module_type = 15;
				
				$values['id_tipo_modulo'] = $module_type;
				$values['descripcion'] = io_safe_input("(" . $ip_target." - ".$name . ") " . $interfaces[$id]['ifDescr']['value']);
				
				$values['snmp_oid'] = $oid;
				$values['id_modulo'] = 2;
				
				$result = modules_create_agent_module ($id_agent, io_safe_input($name), $values);
				
				if (is_error($result)) {
					if(!isset($errors[$result])) {
						$errors[$result] = 0;
					}
					$errors[$result]++;
				}
				else {
					$done++;
				}
			}
		}
		
		if ($done > 0) {
			ui_print_success_message(__('Successfully modules created')." ($done)");
		}
		
		if (!empty($errors)) {
			$msg = __('Could not be created').':';
			
			
			foreach ($errors as $code => $number) {
				switch ($code) {
					case ERR_EXIST:
						$msg .= '<br>'.__('Another module already exists with the same name')." ($number)";
						break;
					case ERR_INCOMPLETE:
						$msg .= '<br>'.__('Some required fields are missed').': ('.__('name').') '." ($number)";
						break;
					case ERR_DB:
					case ERR_GENERIC:
					default:
						$msg .= '<br>'.__('Processing error')." ($number)";
						break;
				}
			}
			
			ui_print_error_message($msg);
		
		}
	}
	
	// Create the interface list for the interface
	$interfaces_list = array();
	foreach($interfaces as $interface){
		// Get the interface name, removing " " characters and avoid "blank" interfaces
		if (isset($interface['ifName']) && $interface['ifName']['value'] != ""){
				$ifname = $interface['ifName']['value'];
		}
		else if (isset($interface['ifDescr']) && $interface['ifDescr']['value'] != ""){
				$ifname = $interface['ifDescr']['value'];
		}
		else {
			continue;
		}
		
		$interfaces_list[$interface['ifIndex']['value']] = str_replace  ( "\""  , "" , $ifname);
	}
	
	echo '<span id ="none_text" style="display: none;">' . __('None') . '</span>';
	echo "<form method='post' id='walk_form' action='index.php?sec=estado&sec2=godmode/agentes/configurar_agente&tab=extension&id_agente=$id_agent&id_extension=snmp_explorer'>";
	
	$table->width = '98%';
	
	$table->valign[0] = 'top';
	$table->valign[1] = 'top';
	
	$table->data[0][0] = '<b>' . __('Target IP') . '</b>';
	$table->data[0][1] = html_print_input_text ('ip_target', $ip_target, '', 15, 60, true);
	
	$table->data[0][2] = '<b>' . __('Port') . '</b>';
	$table->data[0][3] = html_print_input_text ('tcp_port', $tcp_port, '', 5, 20, true);
	
	$snmp_versions['1'] = 'v. 1';
	$snmp_versions['2'] = 'v. 2';
	$snmp_versions['2c'] = 'v. 2c';
	$snmp_versions['3'] = 'v. 3';
	
	$table->data[1][0] = '<b>' . __('SNMP community') . '</b>';
	$table->data[1][1] = html_print_input_text ('snmp_community', $snmp_community, '', 15, 60, true);
	
	$table->data[1][2] = '<b>' . _('SNMP version') . '</b>';
	$table->data[1][3] = html_print_select ($snmp_versions, 'snmp_version', $snmp_version, '', '', '', true, false, false, '');
	
	$table->data[1][3] .= '<div id="spinner_modules" style="float: left; display: none;">' . html_print_image("images/spinner.gif", true) . '</div>';
	html_print_input_hidden('snmpwalk', 1);
	
	html_print_table($table);
	
	unset($table);
	
	//SNMP3 OPTIONS 
	$table->width = '98%';
	
	$table->valign[0] = 'top';
	$table->valign[1] = 'top';
	
	$table->data[2][1] = '<b>'.__('Auth user').'</b>';
	$table->data[2][2] = html_print_input_text ('snmp3_auth_user', $snmp3_auth_user, '', 15, 60, true);
	$table->data[2][3] = '<b>'.__('Auth password').'</b>';
	$table->data[2][4] = html_print_input_text ('snmp3_auth_pass', $snmp3_auth_pass, '', 15, 60, true);
	$table->data[2][4] .= html_print_input_hidden('active_snmp_v3', 0, true);
	
	$table->data[5][0] = '<b>'.__('Privacy method').'</b>';
	$table->data[5][1] = html_print_select(array('DES' => __('DES'), 'AES' => __('AES')), 'snmp3_privacy_method', $snmp3_privacy_method, '', '', '', true);
	$table->data[5][2] = '<b>'.__('privacy pass').'</b>';
	$table->data[5][3] = html_print_input_text ('snmp3_privacy_pass', $snmp3_privacy_pass, '', 15, 60, true);
	
	$table->data[6][0] = '<b>'.__('Auth method').'</b>';
	$table->data[6][1] = html_print_select(array('MD5' => __('MD5'), 'SHA' => __('SHA')), 'snmp3_auth_method', $snmp3_auth_method, '', '', '', true);
	$table->data[6][2] = '<b>'.__('Security level').'</b>';
	$table->data[6][3] = html_print_select(array('noAuthNoPriv' => __('Not auth and not privacy method'),
		'authNoPriv' => __('Auth and not privacy method'), 'authPriv' => __('Auth and privacy method')), 'snmp3_security_level', $snmp3_security_level, '', '', '', true);
	
	if ($snmp_version == 3) {
		echo '<div id="snmp3_options">';
	}
	else {
		echo '<div id="snmp3_options" style="display: none;">';
	}
	html_print_table($table);
	echo '</div>';
	
	echo "<div style='text-align:right; width:".$table->width."'>";
	echo '<span id="oid_loading" class="invisible">' . html_print_image("images/spinner.gif", true) . '</span>';
	html_print_submit_button(__('SNMP Walk'), 'snmp_walk', false, array('class' => 'sub next'));
	echo "</div>";
	
	if ($snmpwalk && !$snmpis) {
		echo '<span id="no_snmp" style="margin-left:50px" class="error">'.__('Unable to do SNMP walk').'</span>';
	}
	
	unset($table);
	
	echo "</form>";
	
	//echo "</tr></table>";
	//echo "</form>";
	
	if (!empty($interfaces_list)) {
		echo '<span id="form_interfaces">';
		echo '<span id ="none_text" style="display: none;">' . __('None') . '</span>';
		echo "<form method='post' action='index.php?sec=estado&sec2=godmode/agentes/configurar_agente&tab=extension&id_agente=$id_agent&id_extension=snmp_explorer'>";
		
		$id_snmp_serialize = serialize_in_temp($interfaces, $config['id_user']."_snmp");
		html_print_input_hidden('id_snmp_serialize', $id_snmp_serialize);
		
		html_print_input_hidden('create_modules', 1);
		html_print_input_hidden('ip_target', $ip_target);
		html_print_input_hidden('tcp_port', $tcp_port);
		html_print_input_hidden('snmp_community', $snmp_community);
		html_print_input_hidden('snmp_version', $snmp_version);
		html_print_input_hidden('snmp3_auth_user', $snmp3_auth_user);
		html_print_input_hidden('snmp3_auth_pass', $snmp3_auth_pass);
		html_print_input_hidden('snmp3_auth_method', $snmp3_auth_method);
		html_print_input_hidden('snmp3_privacy_method', $snmp3_privacy_method);
		html_print_input_hidden('snmp3_privacy_pass', $snmp3_privacy_pass);
		html_print_input_hidden('snmp3_security_level', $snmp3_security_level);
		
		$table->width = '98%';
		
		$table->valign[0] = 'top';
		$table->valign[1] = 'top';
		
		//Agent selector
		$table->data[0][0] = '<b>'.__('Interfaces').'</b>';
		$table->data[0][1] = '';
		$table->data[0][2] = '<b>'.__('Modules').'</b>';
		
		$table->data[1][0] = html_print_select ($interfaces_list, 'id_snmp[]', 0, false, '', '', true, true, true, '', false, 'width:200px;');
		$table->data[1][1] = html_print_image('images/darrowright.png', true);
		$table->data[1][2] = html_print_select (array (), 'module[]', 0, false, '', 0, true, true, true, '', false, 'width:200px;');
		$table->data[1][2] .= html_print_input_hidden('agent', $id_agent, true);
		
		html_print_table($table);
		
		echo "<div style='text-align:right; width:".$table->width."'>";
		html_print_submit_button(__('Create modules'), '', false, array('class' => 'sub add'));
		echo "</div>";
		unset($table);
		
		echo "</form>";
		echo '</div>';
	}
	
	ui_require_jquery_file ('pandora.controls');
	ui_require_jquery_file ('ajaxqueue');
	ui_require_jquery_file ('bgiframe');
	//ui_require_jquery_file ('autocomplete');
?>
<script language="javascript" type="text/javascript">
/* <![CDATA[ */

$(document).ready (function () {
	var inputActive = true;
	
	$(document).data('text_for_module', $("#none_text").html());
	
	$("#id_snmp").change(snmp_changed_by_multiple_snmp);
	
	$("#snmp_version").change(function () {
		if (this.value == "3") {
			$("#snmp3_options").css("display", "");
		}
		else {
			$("#snmp3_options").css("display", "none");
		}
	});
	
	$("#walk_form").submit(function() {
		$("#submit-snmp_walk").disable ();
		$("#oid_loading").show ();
		$("#no_snmp").hide ();
		$("#form_interfaces").hide ();
	});
});

function snmp_changed_by_multiple_snmp (event, id_snmp, selected) {
	var idSNMP = Array();
	
	jQuery.each ($("#id_snmp option:selected"), function (i, val) {
		idSNMP.push($(val).val());
	});
	$('#module').attr ('disabled', 1);
	$('#module').empty ();
	$('#module').append ($('<option></option>').html ("Loading...").attr ("value", 0));
	
	jQuery.post ('ajax.php', 
				{"page" : "godmode/agentes/agent_manager",
				 "get_modules_json_for_multiple_snmp": 1,
				 "id_snmp[]": idSNMP,
				 "id_snmp_serialize": $("#hidden-id_snmp_serialize").val()
				 },
				 function (data) {
					 $('#module').empty ();
					 c = 0;
					 jQuery.each (data, function (i, val) {
								  s = js_html_entity_decode(val);
								  $('#module').append ($('<option></option>').html (s).attr ("value", i));
								  $('#module').fadeIn ('normal');
								  c++;
								  });
					 if(c == 0){
						 if (typeof($(document).data('text_for_module')) != 'undefined') {
							 $('#module').append ($('<option></option>').html ($(document).data('text_for_module')).attr("value", 0).attr('selected', true));
						 }
						 else {
							 if (typeof(data['any_text']) != 'undefined') {
								 $('#module').append ($('<option></option>').html (data['any_text']).attr ("value", 0).attr('selected', true));
							 }
							 else {
								 var anyText = $("#any_text").html(); //Trick for catch the translate text.
								 
								 if (anyText == null) {
									 anyText = 'Any';
								 }
								 
								 $('#module').append ($('<option></option>').html (anyText).attr ("value", 0).attr('selected', true));
							 }
						 }
					 }
					 if (selected != undefined)
					 $('#module').attr ('value', selected);
					 $('#module').removeAttr('disabled');
				 },
				 "json"
				 );
}

/* ]]> */
</script>

<?php
}


extensions_add_godmode_tab_agent('snmp_explorer', __('SNMP Explorer'), 'images/snmp_wizard.png', 'snmp_explorer');
?>