<?php
/*
 +-------------------------------------------------------------------------+
 | Copyright (C) 2003 Ian Berry                                            |
 |                                                                         |
 | 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; either version 2          |
 | of the License, or (at your option) any later version.                  |
 |                                                                         |
 | 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.                            |
 +-------------------------------------------------------------------------+
 | cacti: a php-based graphing solution                                    |
 +-------------------------------------------------------------------------+
 | Most of this code has been designed, written and is maintained by       |
 | Ian Berry. See about.php for specific developer credit. Any questions   |
 | or comments regarding this code should be directed to:                  |
 | - iberry@raxnet.net                                                     |
 +-------------------------------------------------------------------------+
 | - raXnet - http://www.raxnet.net/                                       |
 +-------------------------------------------------------------------------+
*/

include ('include/auth.php');
include_once ("include/functions.php");
include_once ("include/config_arrays.php");
include_once ('include/form.php');

switch ($_REQUEST["action"]) {
	case 'save':
		form_save();
		
		break;
	case 'new_graphs':
		include_once ("include/top_header.php");
		
		host_new_graphs();
		
		include_once ("include/bottom_footer.php");
		break;
	case 'remove':
		host_remove();
		
		header ("Location: host.php");
		break;
	case 'edit':
		include_once ("include/top_header.php");
		
		host_edit();
		
		include_once ("include/bottom_footer.php");
		break;
	default:
		include_once ("include/top_header.php");
		
		host();
		
		include_once ("include/bottom_footer.php");
		break;
}

/* --------------------------
    The Save Function
   -------------------------- */

function form_save() {
	include_once ("include/utility_functions.php");
	include_once ("include/snmp_functions.php");
	
	if (isset($_POST["save_component_host"])) {
		$save["id"] = $_POST["id"];
		$save["host_template_id"] = $_POST["host_template_id"];
		$save["description"] = form_input_validate($_POST["description"], "description", "", false, 3);
		$save["hostname"] = form_input_validate($_POST["hostname"], "hostname", "", true, 3);
		$save["management_ip"] = form_input_validate($_POST["management_ip"], "management_ip", "^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$", false, 3);
		$save["snmp_community"] = form_input_validate($_POST["snmp_community"], "snmp_community", "", true, 3);
		$save["snmp_version"] = form_input_validate($_POST["snmp_version"], "snmp_version", "", true, 3);
		$save["snmp_username"] = form_input_validate($_POST["snmp_username"], "snmp_username", "", true, 3);;
		$save["snmp_password"] = form_input_validate($_POST["snmp_password"], "snmp_password", "", true, 3);
		
		if (!is_error_message()) {
			$host_id = sql_save($save, "host");
			
			if ($host_id) {
				raise_message(1);
				
				/* push out relavant fields to data sources using this host */
				push_out_host($host_id);
			}else{
				raise_message(2);
			}
			
			if (isset($_POST["add_y"])) {
				db_execute("replace into host_snmp_query (host_id,snmp_query_id) values ($host_id," . $_POST["snmp_query_id"] . ")");
				
				/* recache snmp data */
				query_snmp_host($host_id, $_POST["snmp_query_id"]);
				
				header ("Location: host.php?action=edit&id=" . $host_id);
				exit;
			}
			
			/* summarize the 'create graph from host template/snmp index' stuff into an array */
			while (list($var, $val) = each($_POST)) {
				if (preg_match('/^cg_\d+$/', $var)) {
					$graph_template_id = preg_replace('/^cg_(\d+)$/', "\\1", $var);
					
					$selected_graphs["cg"][$graph_template_id][$graph_template_id] = true;
				}elseif (preg_match('/^sg_\d+_\d+_\d+$/', $var)) {
					$graph_template_id = preg_replace('/^sg_(\d+)_(\d+)_(\d+)$/', "\\1", $var);
					$snmp_query_id = preg_replace('/^sg_(\d+)_(\d+)_(\d+)$/', "\\2", $var);
					$snmp_index = preg_replace('/^sg_(\d+)_(\d+)_(\d+)$/', "\\3", $var);
					
					$selected_graphs["sg"][$snmp_query_id][$graph_template_id][$snmp_index] = true;
				}
			}
			
			if (isset($selected_graphs)) {
				host_new_graphs($host_id, $_POST["host_template_id"], $selected_graphs);
				exit;
			}
		}
		
		if (is_error_message()) {
			header ("Location: host.php?action=edit&id=" . (empty($host_id) ? $_POST["id"] : $host_id));
		}else{
			header ("Location: host.php");
		}
	}
	
	if (isset($_POST["save_component_new_graphs"])) {
		host_new_graphs_save();
		
		header ("Location: host.php?action=edit&id=" . $_POST["host_id"]);
	}
}

/* ---------------------
    Host Functions
   --------------------- */

function host_remove() {
	global $config;
	
	if ((read_config_option("remove_verification") == "on") && ($_GET["confirm"] != "yes")) {
		include ('include/top_header.php');
		form_confirm("Are You Sure?", "Are you sure you want to delete the host <strong>'" . db_fetch_cell("select description from host where id=" . $_GET["id"]) . "'</strong>?", getenv("HTTP_REFERER"), "host.php?action=remove&id=" . $_GET["id"]);
		include ('include/bottom_footer.php');
		exit;
	}
	
	if ((read_config_option("remove_verification") == "") || ($_GET["confirm"] == "yes")) {
		db_execute("delete from host where id=" . $_GET["id"]);
	}
}

function host_new_graphs_save() {
	include_once ("include/utility_functions.php");
	include_once ("include/xml_functions.php");
	
	global $struct_graph, $struct_data_source, $struct_graph_item, $struct_data_source_item, $paths;
	
	$selected_graphs_array = unserialize(stripslashes($_POST["selected_graphs_array"]));
	
	while (list($form_type, $form_array) = each($selected_graphs_array)) {
		$current_form_type = $form_type;
		
		while (list($form_id1, $form_array2) = each($form_array)) {
			if ($form_type == "cg") {
				$graph_template_id = $form_id1;
			}elseif ($form_type == "sg") {
				while (list($form_id2, $form_array3) = each($form_array2)) {
					$snmp_query_id = $form_id1;
					$graph_template_id = $form_id2;
					$snmp_index_array = $form_array3;
				}
				
				$data = implode("",file(str_replace("<path_cacti>", $paths["cacti"], db_fetch_cell("select xml_path from snmp_query where id=$snmp_query_id"))));
				$snmp_query_array = xml2array($data);
			}
			
			unset($save);
			
			$save["id"] = 0;
			$save["graph_template_id"] = $graph_template_id;
			
			if ($current_form_type == "cg") {
				$local_graph_id = sql_save($save, "graph_local");
				change_graph_template($local_graph_id, $graph_template_id, true);
				
				$new_graph_templates["cg"][$graph_template_id] = $local_graph_id;
			}elseif ($current_form_type == "sg") {
				reset($snmp_index_array);
				
				while (list($snmp_index, $true) = each($snmp_index_array)) {
					$local_graph_id = sql_save($save, "graph_local");
					change_graph_template($local_graph_id, $graph_template_id, true);
					
					/* cache arrays; used down below */
					$new_graph_templates["sg"][$snmp_query_id][$graph_template_id] .= $local_graph_id . ":";
					$new_graph_snmp_indexes[$snmp_query_id][$local_graph_id] = $snmp_index;
					$new_graph_index_to_local[$snmp_query_id][$snmp_index] = $local_graph_id;
					
					reset($snmp_query_array["suggested_values"][0]["graph"][0]);
					
					/* suggested values for snmp query code */
					if (isset($snmp_query_array["suggested_values"][0]["graph"])) {
						while (list($sv_field_name, $sv_array) = each($snmp_query_array["suggested_values"][0]["graph"][0])) {
							while (list($sv_name, $sv_value) = each($sv_array[0])) {
								/* once we find a match; don't try to find more */
								if (!isset($_POST{"g_" . $snmp_query_id . "_" . $graph_template_id . "_" . $snmp_index . "_" . $sv_field_name})) {
									$subs_string = subsitute_host_data($sv_value, "|", "|", $_POST["host_id"]);
									$subs_string = subsitute_snmp_query_data($subs_string, "|", "|", $_POST["host_id"], $snmp_query_id, $snmp_index);
									
									/* if there are no '|' characters, all of the subsitutions were successful */
									if (!strstr($subs_string, "|")) {
										$_POST{"g_" . $snmp_query_id . "_" . $graph_template_id . "_" . $snmp_index . "_" . $sv_field_name} = $subs_string;
									}
								}
							}
						}
					}
				}
			}
			
			$data_templates = db_fetch_assoc("select
				data_template.id,
				data_template.name,
				data_template_rrd.data_source_name
				from data_template, data_template_rrd, graph_templates_item
				where graph_templates_item.task_item_id=data_template_rrd.id
				and data_template_rrd.data_template_id=data_template.id
				and data_template_rrd.local_data_id=0
				and graph_templates_item.local_graph_id=0
				and graph_templates_item.graph_template_id=" . $graph_template_id . "
				group by data_template.id
				order by data_template.name");
			
			if (sizeof($data_templates) > 0) {
			foreach ($data_templates as $data_template) {
				unset($save);
				
				$save["id"] = 0;
				$save["data_template_id"] = $data_template["id"];
				$save["host_id"] = $_POST["host_id"];
				
				if ($current_form_type == "cg") {
					$local_data_id = sql_save($save, "data_local");
					change_data_template($local_data_id, $data_template["id"]);
					
					$new_data_templates["cg"][$graph_template_id]{$data_template["id"]} = $local_data_id;
				}elseif ($current_form_type == "sg") {
					reset($snmp_index_array);
					
					while (list($snmp_index, $true) = each($snmp_index_array)) {
						$local_data_id = sql_save($save, "data_local");
						change_data_template($local_data_id, $data_template["id"]);
						
						/* cache arrays; used down below */
						$new_data_templates["sg"][$snmp_query_id]{$data_template["id"]} .= $local_data_id . ":";
						$new_data_snmp_indexes[$snmp_query_id][$local_data_id] = $snmp_index;
						$new_data_index_to_local[$snmp_query_id]{$data_template["id"]}[$snmp_index] = $local_data_id;
						
						reset($snmp_query_array["suggested_values"][0]{"ds_" . $data_template["data_source_name"]}[0]);
						
						/* suggested values for snmp query code */
						if (isset($snmp_query_array["suggested_values"][0]{"ds_" . $data_template["data_source_name"]})) {
							while (list($sv_field_name, $sv_array) = each($snmp_query_array["suggested_values"][0]{"ds_" . $data_template["data_source_name"]}[0])) {
								while (list($sv_name, $sv_value) = each($sv_array[0])) {
									/* once we find a match; don't try to find more */
									if (!isset($_POST{"d_" . $snmp_query_id . "_" . $graph_template_id . "_" . $data_template["id"] . "_" . $snmp_index . "_" . $sv_field_name})) {
										$subs_string = subsitute_host_data($sv_value, "|", "|", $_POST["host_id"]);
										$subs_string = subsitute_snmp_query_data($subs_string, "|", "|", $_POST["host_id"], $snmp_query_id, $snmp_index);
										
										/* if there are no '|' characters, all of the subsitutions were successful */
										if (!strstr($subs_string, "|")) {
											$_POST{"d_" . $snmp_query_id . "_" . $graph_template_id . "_" . $data_template["id"] . "_" . $snmp_index . "_" . $sv_field_name} = $subs_string;
										}
									}
								}
							}
						}
					}
				}
			}
			}
			
			/* connect the dots: graph -> data source(s) */
			$template_item_list = db_fetch_assoc("select
				graph_templates_item.id,
				data_template_rrd.id as data_template_rrd_id,
				data_template_rrd.data_template_id
				from graph_templates_item,data_template_rrd
				where graph_templates_item.task_item_id=data_template_rrd.id
				and graph_templates_item.graph_template_id=$graph_template_id
				and local_graph_id=0
				and task_item_id>0");
			
			/* loop through each item affected and update column data */
			if (sizeof($template_item_list) > 0) {
			foreach ($template_item_list as $template_item) {
				if ($current_form_type == "cg") {
					$graph_template_item_id = db_fetch_cell("select id from graph_templates_item where local_graph_template_item_id=" . $template_item["id"] . " and local_graph_id=" . $new_graph_templates["cg"][$graph_template_id]);
					$data_template_rrd_id = db_fetch_cell("select id from data_template_rrd where local_data_template_rrd_id=" . $template_item["data_template_rrd_id"] . " and local_data_id=" . $new_data_templates["cg"][$graph_template_id]{$template_item["data_template_id"]});
					
					db_execute("update graph_templates_item set task_item_id='$data_template_rrd_id' where id=$graph_template_item_id");
				}elseif (($current_form_type == "sg") && (isset($new_graph_snmp_indexes[$snmp_query_id])) && (isset($new_data_snmp_indexes[$snmp_query_id]))) {
					reset($new_graph_snmp_indexes[$snmp_query_id]);
					
					while (list($local_graph_id, $snmp_index) = each($new_graph_snmp_indexes[$snmp_query_id])) {
						$local_data_id = $new_data_index_to_local[$snmp_query_id]{$template_item["data_template_id"]}[$snmp_index];
						
						$graph_template_item_id = db_fetch_cell("select id from graph_templates_item where local_graph_template_item_id=" . $template_item["id"] . " and local_graph_id=$local_graph_id");
						$data_template_rrd_id = db_fetch_cell("select id from data_template_rrd where local_data_template_rrd_id=" . $template_item["data_template_rrd_id"] . " and local_data_id=$local_data_id");
						
						if (!empty($data_template_rrd_id)) {
							db_execute("update graph_templates_item set task_item_id='$data_template_rrd_id' where id=$graph_template_item_id");
						}
					}
				}
			}
			}
		}
	}
	
	/* go ahead and write out values from the POST form to our new data */
	
	while (list($var, $val) = each($_POST)) {
		if (preg_match("/^g_(\d+)_(\d+)_(\d+)_(\w+)/", $var, $matches)) { /* 1: snmp_query_id, 2: graph_template_id, 3: (opt) snmp index, 4: field_name */
			if (empty($matches[3])) { /* ALL new graphs */
				db_execute("update graph_templates_graph set " . $matches[4] . "='$val' where " . (empty($matches[1]) ? "local_graph_id=" . $new_graph_templates["cg"]{$matches[2]} : array_to_sql_or(split(":", $new_graph_templates["sg"]{$matches[1]}{$matches[2]}),"local_graph_id")));
			}else{ /* only new graphs for this snmp_index */
				db_execute("update graph_templates_graph set " . $matches[4] . "='$val' where local_graph_id=" . $new_graph_index_to_local{$matches[1]}{$matches[3]});
			}
		}elseif (preg_match("/^gi_(\d+)_(\d+)_(\d+)_(\w+)/", $var, $matches)) { /* 1: snmp_query_id, 2: graph_template_id, 3: graph_template_input_id, 4:field_name */
			/* we need to find out which graph items will be affected by saving this particular item */
			$item_list = db_fetch_assoc("select
				graph_templates_item.id
				from graph_template_input_defs,graph_templates_item
				where graph_template_input_defs.graph_template_item_id=graph_templates_item.local_graph_template_item_id
				and " . (empty($matches[1]) ? "graph_templates_item.local_graph_id=" . $new_graph_templates["cg"]{$matches[2]} : array_to_sql_or(split(":", $new_graph_templates["sg"]{$matches[1]}{$matches[2]}),"graph_templates_item.local_graph_id")) . "
				and graph_template_input_defs.graph_template_input_id=" . $matches[3]);
			
			/* loop through each item affected and update column data */
			if (sizeof($item_list) > 0) {
			foreach ($item_list as $item) {
				db_execute("update graph_templates_item set " . $matches[4] . "='$val' where id=" . $item["id"]);
			}
			}
		}elseif (preg_match("/^d_(\d+)_(\d+)_(\d+)_(\d+)_(\w+)/", $var, $matches)) { /* 1: snmp_query_id, 2: graph_template_id, 3: data_template_id, 4: (opt) snmp_index, 5:field_name */
			if (empty($matches[4])) { /* ALL new graphs */
				db_execute("update data_template_data set " . $matches[5] . "='$val' where " . (empty($matches[1]) ? "local_data_id=" . $new_data_templates["cg"]{$matches[2]}{$matches[3]} : array_to_sql_or(split(":", $new_data_templates["sg"]{$matches[1]}{$matches[3]}),"local_data_id")));
			}else{ /* only new data sources for this snmp_index */
				db_execute("update data_template_data set " . $matches[5] . "='$val' where local_data_id=" . $new_data_index_to_local{$matches[1]}{$matches[3]}{$matches[4]});
			}
		}elseif (preg_match("/^di_(\d+)_(\d+)_(\d+)_(\d+)_(\w+)/", $var, $matches)) { /* 1: snmp_query_id, 2: graph_template_id, 3: data_template_id, 4:local_data_template_rrd_id, 5:field_name */
			db_execute("update data_template_rrd set " . $matches[5] . "='$val' where " . (empty($matches[1]) ? "local_data_id=" . $new_data_templates["cg"]{$matches[2]}{$matches[3]} : array_to_sql_or(split(":", $new_data_templates["sg"]{$matches[1]}{$matches[3]}),"local_data_id")) . " and local_data_template_rrd_id=" . $matches[4]);
		}elseif ((preg_match("/^sg_(\d+)_(\d+)_(\d+)/", $var, $matches)) && (isset($new_data_snmp_indexes{$matches[1]}))) { /* 1: snmp_query_id, 2: data_template_id, 3: data_input_field_id */
			reset($new_data_snmp_indexes{$matches[1]});
			
			while (list($local_data_id, $snmp_index) = each($new_data_snmp_indexes{$matches[1]})) {
				$data_template_data_id = db_fetch_cell("select id from data_template_data where local_data_id=$local_data_id");
				/* save the value to index on (ie. ifindex, ifip, etc) */
				db_execute("replace into data_input_data (data_input_field_id,data_template_data_id,t_value,value) values (" . $matches[3] . ",$data_template_data_id,'','$val')");
				
				$data_input_field_id = db_fetch_cell("select data_input_field_id from snmp_query_dt_field where snmp_query_id=" . $matches[1] . " and data_template_id=" . $matches[2] . " and action_id=2");
				$snmp_cache_value = db_fetch_cell("select field_value from host_snmp_cache where host_id=" . $_POST["host_id"] . " and field_name='$val' and snmp_index=$snmp_index");
				
				/* save the actual value (ie. 3, 192.168.1.101, etc) */
				db_execute("replace into data_input_data (data_input_field_id,data_template_data_id,t_value,value) values ($data_input_field_id,$data_template_data_id,'','$snmp_cache_value')");
			}
		}
	}
	
	/* lastly push host-specific information to our data sources */
	push_out_host($_POST["host_id"]);
}

function host_save() {

}

function host_new_graphs($host_id, $host_template_id, $selected_graphs_array) {
	include_once ("include/xml_functions.php");
	include_once ("include/top_header.php");
	
	global $colors, $paths, $struct_graph, $row_counter, $struct_data_source, $struct_graph_item, $struct_data_source_item;
	
	print "<form method='post' action='host.php'>\n";
	
	$snmp_query_id = 0;
	while (list($form_type, $form_array) = each($selected_graphs_array)) {
		while (list($form_id1, $form_array2) = each($form_array)) {
			if ($form_type == "cg") {
				$graph_template_id = $form_id1;
				
				start_box("<strong>Create 1 Graph from Host Template", "98%", $colors["header"], "3", "center", "");
			}elseif ($form_type == "sg") {
				while (list($form_id2, $form_array3) = each($form_array2)) {
					$snmp_query_id = $form_id1;
					$graph_template_id = $form_id2;
					$num_graphs = sizeof($form_array3);
					
					$snmp_query = db_fetch_row("select
						snmp_query.name,
						snmp_query.xml_path
						from snmp_query
						where snmp_query.id=$snmp_query_id");
				}
				
				/* DRAW: SNMP Query */
				start_box("<strong>Create $num_graphs Graph" . (($num_graphs>1) ? "s" : "") . " from SNMP Query", "98%", $colors["header"], "3", "center", "");
				
				print "<tr><td colspan='2' bgcolor='#" . $colors["header_panel"] . "'><span style='font-size: 10px; color: white;'><strong>SNMP Query</strong> [" . $snmp_query["name"] . "]</span></td></tr>";
				
				$fields = db_fetch_assoc("select
					data_template.id as data_template_id,
					data_template.name,
					data_input_fields.name as field_name,
					data_input_fields.id as data_input_field_id
					from snmp_query_dt_field,data_input_fields,data_template
					where snmp_query_dt_field.data_input_field_id=data_input_fields.id
					and snmp_query_dt_field.data_template_id=data_template.id
					and snmp_query_dt_field.snmp_query_id=$snmp_query_id
					and snmp_query_dt_field.action_id=1
					group by snmp_query_dt_field.data_template_id");
				
				if (sizeof($fields) > 0) {
				foreach ($fields as $field) {
					print "	<tr bgcolor='#" . $colors["form_alternate1"] . "'>
							<td width='50%'>
								<font class='textEditTitle'>" . $field["name"] . " -> " . $field["field_name"] . "</font><br>
								When these graphs are created, the following data input field will be filled with data from
								the SNMP host.
							</td>";
					
					$data = implode("",file(str_replace("<path_cacti>", $paths["cacti"], $snmp_query["xml_path"])));
					$snmp_queries = xml2array($data);
					$xml_outputs = array();
					
					/* list each of the input fields for this snmp query */
					while (list($field_name, $field_array) = each($snmp_queries["fields"][0])) {
						$field_array = $field_array[0];
						
						if ($field_array["direction"] == "input") {
							$xml_outputs[$field_name] = $field_name . " (" . $field_array["name"] . ")";	
						}
					}
					
					form_dropdown("sg_" . $snmp_query_id . "_" . $field["data_template_id"] . "_" . $field["data_input_field_id"],$xml_outputs,"","","","","");
					
					print "</tr>\n";
				}
				}
			}
			
			$data_templates = db_fetch_assoc("select
				data_template.name as data_template_name,
				data_template_rrd.data_source_name,
				data_template_data.*
				from data_template, data_template_rrd, data_template_data, graph_templates_item
				where graph_templates_item.task_item_id=data_template_rrd.id
				and data_template_rrd.data_template_id=data_template.id
				and data_template_data.data_template_id=data_template.id
				and data_template_rrd.local_data_id=0
				and data_template_data.local_data_id=0
				and graph_templates_item.local_graph_id=0
				and graph_templates_item.graph_template_id=" . $graph_template_id . "
				group by data_template.id
				order by data_template.name");
			
			$graph_template = db_fetch_row("select
				graph_templates.name as graph_template_name,
				graph_templates_graph.*
				from graph_templates, graph_templates_graph
				where graph_templates.id=graph_templates_graph.graph_template_id
				and graph_templates.id=" . $graph_template_id . "
				and graph_templates_graph.local_graph_id=0");
			$graph_template_name = db_fetch_cell("select name from graph_templates where id=" . $graph_template_id);
			
			$graph_inputs = db_fetch_assoc("select
				*
				from graph_template_input
				where graph_template_id=" . $graph_template_id . "
				and column_name != 'task_item_id'
				order by name");
			
			reset($struct_graph);
			$drew_items = false;
			
			while (list($field_name, $field_array) = each($struct_graph)) {
				if ($graph_template{"t_" . $field_name} == "on") {
					if ($drew_items == false) {
						print "<tr><td colspan='2' bgcolor='#" . $colors["header_panel"] . "'><span style='font-size: 10px; color: white;'><strong>Graph</strong> [Template: " . $graph_template["graph_template_name"] . "]</span></td></tr>";
					}
					
					/* we must treat suggested values for snmp queries different because one
					entry here might might 20 graphs... so we can't automatically fill in the 
					values */
					if ((!empty($snmp_query_id)) && ($snmp_queries["suggested_values"][0]["graph"][0][$field_name])) {
						print "<tr bgcolor='#" . $colors["form_alternate1"] . "'>";
						print "<td><strong>" . $struct_graph[$field_name]["title"] . "</strong></td>";
						print "<td><em>Using Suggested Values</em> (see XML file)</td>"; 
						print "</td></tr>\n";
					}else{
						draw_templated_row($field_array, "g_" . $snmp_query_id . "_" . $graph_template_id . "_0_" . $field_name, $data_template[$field_name]);
					}
					
					$row_counter = 0; $drew_items = true;
				}
			}
			
			/* DRAW: Graphs Inputs */
			if (sizeof($graph_inputs) > 0) {
			foreach ($graph_inputs as $graph_input) {
				if ($drew_items == false) {
					print "<tr><td colspan='2' bgcolor='#" . $colors["header_panel"] . "'><span style='font-size: 10px; color: white;'><strong>Graph Items</strong> [Template: " . $graph_template_name . "]</span></td></tr>";
				}
				
				$current_value = db_fetch_cell("select 
					graph_templates_item." . $graph_input["column_name"] . "
					from graph_templates_item,graph_template_input_defs 
					where graph_template_input_defs.graph_template_item_id=graph_templates_item.local_graph_template_item_id 
					and graph_template_input_defs.graph_template_input_id=" . $graph_input["id"] . "
					and graph_templates_item.graph_template_id=" . $graph_template_id . "
					limit 0,1");
				
				$field_name = $item["column_name"];
				
				print "<tr bgcolor='#" . $colors["form_alternate1"] . "'>";
				
				print "	<td width='50%'>
						<font class='textEditTitle'>" . $graph_input["name"] . "</font>";
						if (!empty($graph_input["description"])) { print "<br>" . $graph_input["description"]; }
				print "	</td>\n";
				
				draw_nontemplated_item($struct_graph_item{$graph_input["column_name"]}, "gi_" . $snmp_query_id . "_" . $graph_template_id . "_" . $graph_input["id"] . "_" . $graph_input["column_name"], $current_value);
				
				print "</tr>\n";
				
				$row_counter = 0; $drew_items = true;
			}
			}
			
			/* DRAW: Data Sources */
			if (sizeof($data_templates) > 0) {
			foreach ($data_templates as $data_template) {
				reset($struct_data_source);
				$drew_items = false;
				
				while (list($field_name, $field_array) = each($struct_data_source)) {
					if ($data_template{"t_" . $field_name} == "on") {
						if ($drew_items == false) {
							print "<tr><td colspan='2' bgcolor='#" . $colors["header_panel"] . "'><span style='font-size: 10px; color: white;'><strong>Data Source</strong> [Template: " . $data_template["data_template_name"] . "]</span></td></tr>";
						}
						
						/* we must treat suggested values for snmp queries different because one
						entry here might might 20 graphs... so we can't automatically fill in the 
						values */
						
						if ((!empty($snmp_query_id)) && (isset($snmp_queries["suggested_values"][0]{"ds_" . $data_template["data_source_name"]}[0][$field_name]))) {
							print "<tr bgcolor='#" . $colors["form_alternate1"] . "'>";
							print "<td><strong>" . $struct_data_source[$field_name]["title"] . "</strong></td>";
							print "<td><em>Using Suggested Values</em> (see XML file)</td>"; 
							print "</td></tr>\n";
						}else{
							draw_templated_row($field_array, "d_" . $snmp_query_id . "_" . $graph_template_id . "_" . $data_template["data_template_id"] . "_0_" . $field_name, $data_template[$field_name]);
						}
						
						$row_counter = 0; $drew_items = true;
					}
				}
				
				/* DRAW: Data Source Items */
				$data_template_items = db_fetch_assoc("select
					data_template_rrd.*
					from data_template_rrd
					where data_template_rrd.data_template_id=" . $data_template["data_template_id"] . "
					and local_data_id=0");
				
				if (sizeof($data_template_items) > 0) {
				foreach ($data_template_items as $data_template_item) {
					reset($struct_data_source_item);
					$drew_items = false;
					
					while (list($field_name, $field_array) = each($struct_data_source_item)) {
						if ($data_template_item{"t_" . $field_name} == "on") {
							if ($drew_items == false) {
								//print "<tr><td colspan='2' bgcolor='#" . $colors["header_panel"] . "'><span style='font-size: 10px; color: white;'><strong>Data Source Item</strong> - " . $data_template_item["data_source_name"] . " - [Template: " . $data_template["data_template_name"] . "]</span></td></tr>";
							}
							
							$row_counter = 1;
							draw_templated_row($field_array, "di_" . $snmp_query_id . "_" . $graph_template_id . "_" . $data_template["data_template_id"] . "_" . $data_template_item["id"] . "_" . $field_name, $data_template_item[$field_name]);
							$drew_items = true;
						}
					}
				}
				}
			}
			}
			
			end_box();
		}
	}
	
	form_hidden_id("host_template_id",$host_template_id);
	form_hidden_id("host_id",$host_id);
	form_hidden_box("save_component_new_graphs","1","");
	print "<input type='hidden' name='selected_graphs_array' value='" . serialize($selected_graphs_array) . "'>\n";
	
	form_save_button("host.php?action=edit&id=$host_id");
	
	include_once ("include/bottom_footer.php");
}

function host_edit() {
	include_once ("include/xml_functions.php");
	
	global $colors, $snmp_versions, $paths;
	
	display_output_messages();
	
	start_box("<strong>Polling Hosts</strong> [edit]", "98%", $colors["header"], "3", "center", "");
	
	if (isset($_GET["id"])) {
		$host = db_fetch_row("select * from host where id=" . $_GET["id"]);
	}else{
		unset($host);
	}
	
	?>
	<form method="post" action="host.php">
	
	<?php form_alternate_row_color($colors["form_alternate1"],$colors["form_alternate2"],0); ?>
		<td width="50%">
			<font class="textEditTitle">Description</font><br>
			Give this host a meaningful description.
		</td>
		<?php form_text_box("description",$host["description"],"","250", "40");?>
	</tr>
	
	<?php form_alternate_row_color($colors["form_alternate1"],$colors["form_alternate2"],1); ?>
		<td width="50%">
			<font class="textEditTitle">Host Template</font><br>
			Choose what type of host, host template this is. The host template will govern what kinds
			of data should be gathered from this type of host.
		</td>
		<?php form_dropdown("host_template_id",db_fetch_assoc("select id,name from host_template"),"name","id",$host["host_template_id"],"None","1");?>
	</tr>
	
	<?php form_alternate_row_color($colors["form_alternate1"],$colors["form_alternate2"],0); ?>
		<td width="50%">
			<font class="textEditTitle">Hostname</font><br>
			Fill in the fully qualified hostname for this device.
		</td>
		<?php form_text_box("hostname",$host["hostname"],"","250", "40");?>
	</tr>
	
	<?php form_alternate_row_color($colors["form_alternate1"],$colors["form_alternate2"],1); ?>
		<td width="50%">
			<font class="textEditTitle">Management IP</font><br>
			Choose the IP address that will be used to gather data from this host. The hostname will be
			used a fallback in case this fails.
		</td>
		<?php form_text_box("management_ip",$host["management_ip"],"","15", "40");?>
	</tr>
	
	<?php form_alternate_row_color($colors["form_alternate1"],$colors["form_alternate2"],0); ?>
		<td width="50%">
			<font class="textEditTitle">SNMP Community</font><br>
			Fill in the SNMP read community for this device.
		</td>
		<?php form_text_box("snmp_community",$host["snmp_community"],"","15", "40");?>
	</tr>
	
	<?php form_alternate_row_color($colors["form_alternate1"],$colors["form_alternate2"],1); ?>
		<td width="50%">
			<font class="textEditTitle">SNMP Username</font><br>
			Fill in the SNMP username for this device (v3).
		</td>
		<?php form_text_box("snmp_username",$host["snmp_username"],"","50", "40");?>
	</tr>
	
	<?php form_alternate_row_color($colors["form_alternate1"],$colors["form_alternate2"],0); ?>
		<td width="50%">
			<font class="textEditTitle">SNMP Community</font><br>
			Fill in the SNMP password for this device (v3).
		</td>
		<?php form_text_box("snmp_password",$host["snmp_password"],"","50", "40");?>
	</tr>
	
	<?php form_alternate_row_color($colors["form_alternate1"],$colors["form_alternate2"],1); ?>
		<td width="50%">
			<font class="textEditTitle">SNMP Version</font><br>
			Choose the SNMP version for this host.
		</td>
		<?php form_dropdown("snmp_version",$snmp_versions,"","",$host["snmp_version"],"","1");?>
	</tr>
	
	<?php form_alternate_row_color($colors["form_alternate1"],$colors["form_alternate2"],0); ?>
		<td colspan="2">
			<table cellspacing="0" cellpadding="0" border="0" width="100%">
				<tr>
					<td width="50%">
						<font class="textEditTitle">Associated SNMP Query</font><br>
						If you choose to add this SNMP query to this host, information will be queried from this
						host upon addition.
					</td>
					<td width="1">
						<?php form_base_dropdown("snmp_query_id",db_fetch_assoc("select id,name from snmp_query order by name"),"name","id","","","");?>
					</td>
					<td>
						&nbsp;<input type="image" src="images/button_add.gif" alt="Add" name="add" align="absmiddle">
					</td>
				</tr>
			</table>
		</td>
	</tr>
	
	<?php
	end_box();
	
	form_hidden_id("id",$_GET["id"]);
	form_hidden_box("save_component_host","1","");
	
	$i = 0;
	if (!empty($host["host_template_id"])) {
		start_box("<strong>Host Template Items</strong>", "98%", $colors["header"], "3", "center", "");
		
		$graph_templates = db_fetch_assoc("select
			graph_templates.id as graph_template_id,
			data_template.id as data_template_id,
			graph_templates.name as graph_template_name,
			data_template.name as data_template_name
			from host_template_graph_template, graph_templates, graph_templates_item, data_template, data_template_rrd
			where host_template_graph_template.graph_template_id=graph_templates.id
			and graph_templates.id=graph_templates_item.graph_template_id
			and graph_templates_item.task_item_id=data_template_rrd.id
			and data_template_rrd.data_template_id=data_template.id
			and host_template_graph_template.host_template_id=" . $host["host_template_id"] . "
			and data_template_rrd.local_data_id=0
			and graph_templates_item.local_graph_id=0
			group by data_template.id,graph_templates.id
			order by graph_templates.id,data_template.name");
		
		$j = 0;
		if (sizeof($graph_templates) > 0) {
		foreach ($graph_templates as $graph_template) {
			if ($graph_template["graph_template_id"] != $_graph_template_id) {
				form_alternate_row_color($colors["form_alternate1"],$colors["form_alternate2"],$i); $i++;
				print "<td width='50%'>";
				print "<font class='textEditTitle'>Create Graph: " . $graph_template["graph_template_name"] . "</font><br>";
			}
			
			print "&nbsp;&nbsp;&nbsp;+ " .  $graph_template["data_template_name"] . "<br>";
			
			$_graph_template_id = $graph_template["graph_template_id"];
			
			if ($graph_templates{$j+1}["graph_template_id"] != $_graph_template_id) {
				print "</td>\n";
				form_checkbox("cg_" . $graph_template["graph_template_id"],"","Create this Graph","");
				print "</tr>";
			}
			
			$j++;
		}
		}
		
		end_box();
	}
	
	$snmp_queries = db_fetch_assoc("select
		snmp_query.id,
		snmp_query.name,
		snmp_query.xml_path,
		snmp_query.graph_template_id
		from snmp_query,host_snmp_query
		where host_snmp_query.snmp_query_id=snmp_query.id
		and host_snmp_query.host_id=" . $_GET["id"] . "
		order by snmp_query.name");
	
	if (sizeof($snmp_queries) > 0) {
	foreach ($snmp_queries as $snmp_query) {
		start_box("<strong>SNMP Query</strong> [" . $snmp_query["name"] . "]", "98%", $colors["header"], "3", "center", "");
		
		$data = implode("",file(str_replace("<path_cacti>", $paths["cacti"], $snmp_query["xml_path"])));
		$snmp_queries = xml2array($data);
		$xml_outputs = array();
		
		print "<tr bgcolor='#" . $colors["header_panel"] . "'>";
		
		$i = 0;
		while (list($field_name, $field_array) = each($snmp_queries["fields"][0])) {
			$i++;
			$field_array = $field_array[0];
			
			if (($i+1) < count($snmp_queries["fields"][0])) { $colspan = 1; }else{ $colspan = 2; }
			
			if ($field_array["direction"] == "input") {
				DrawMatrixHeaderItem($field_array["name"],$colors["header_text"],$colspan);
				$raw_data = db_fetch_assoc("select field_value,snmp_index from host_snmp_cache where host_id=" . $_GET["id"] . " and field_name='$field_name'");
				
				/* insert blank data so the TD is rendered even if there is no data */
				$snmp_query_data[$field_name]{$data["snmp_index"]} = "";
				
				if (sizeof($raw_data) > 0) {
				foreach ($raw_data as $data) {
					$snmp_query_data[$field_name]{$data["snmp_index"]} = $data["field_value"];
					$snmp_query_indexes{$data["snmp_index"]} = $data["snmp_index"];
				}
				}
			}
		}
		
		print "</tr>";
		
		if (sizeof($snmp_query_indexes) > 0) {
		while (list($snmp_index, $snmp_index) = each($snmp_query_indexes)) {
			form_alternate_row_color($colors["alternate"],$colors["light"],$i); $i++;
			
			reset($snmp_query_data);
			while (list($field_name, $field_array) = each($snmp_query_data)) {
				print "<td>" . $field_array[$snmp_index] . "</td>";
			}
			
			form_checkbox("sg_" . $snmp_query["graph_template_id"] . "_" . $snmp_query["id"] . "_" . $snmp_index,"","","");
			print "</tr>\n";
		}
		}
		
		end_box();
	}
	}
	
	form_save_button("host.php");
}

function host() {
	global $colors;
	
	display_output_messages();
	
	start_box("<strong>Polling Hosts</strong>", "98%", $colors["header"], "3", "center", "host.php?action=edit");
	
	print "<tr bgcolor='#" . $colors["header_panel"] . "'>";
		DrawMatrixHeaderItem("Description",$colors["header_text"],1);
		DrawMatrixHeaderItem("Hostname",$colors["header_text"],1);
		DrawMatrixHeaderItem("&nbsp;",$colors["header_text"],1);
	print "</tr>";
    
	$hosts = db_fetch_assoc("select id,hostname,description from host order by description");
	
	if (sizeof($hosts) > 0) {
	foreach ($hosts as $host) {
		form_alternate_row_color($colors["alternate"],$colors["light"],$i); $i++;
			?>
			<td>
				<a class="linkEditMain" href="host.php?action=edit&id=<?php print $host["id"];?>"><?php print $host["description"];?></a>
			</td>
			<td>
				<?php print $host["hostname"];?>
			</td>
			<td width="1%" align="right">
				<a href="host.php?action=remove&id=<?php print $host["id"];?>"><img src="images/delete_icon.gif" width="10" height="10" border="0" alt="Delete"></a>&nbsp;
			</td>
		</tr>
	<?php
	}
	}
	end_box();
}
?>