ipreg/subnetview.php

<?php
	/*****************************************************************************
	IP Reg, a PHP/MySQL IPAM tool
	Copyright (C) 2008 Wietse Warendorff
	
	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 3 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.
	
	You should have received a copy of the GNU General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
	
	For more information, visit http://sourceforge.net/projects/ipreg,
	or contact me at wietsew@users.sourceforge.net
	*****************************************************************************/
	
	// includes
	include("includes.php");
	
	// get id
	$subnet_id = $_GET['subnet_id'];
	
	// check authorisation
	$auth = auth("subnet", $config_auth_subnetview, $subnet_id);
	
	// start output
	include("header.php");
	
	// get page
	if(isset($_GET['page'])) {
		$page = $_GET['page'];
	}
	
	// set template
	$tp = new Template("tpl/subnetview.tpl");
	
	// set language variables
	$tp->setvars($lang);
	
	// get subnet info
	$result = mysql_query("SELECT subnet_address, subnet_mask, vlan_id, subnet_info FROM subnet WHERE subnet_id='$subnet_id'") or die(mysql_error());
	$row = mysql_fetch_object($result);
	$tp->set("subnet_id", $subnet_id);
	$tp->set("subnet_address", $row->subnet_address);
	$tp->set("subnet_mask", $row->subnet_mask);
	$tp->set("subnet_info", nl2br($row->subnet_info));
	
	// set needed variables
	$subnet_address = $row->subnet_address;
	$subnet_mask = $row->subnet_mask;
	$vlan_id = $row->vlan_id;
	
	// split up the range
	$iprange = explode('.', $subnet_address);
	$iprange1 = $iprange[0];
	$iprange2 = $iprange[1];
	$iprange3 = $iprange[2];
	$iprange4 = $iprange[3];
	
	// create array for these addresses
	$subnet = array();
	if ($subnet_mask>=24) {
		// Class C
		// calculate hosts
		$hostcount = pow(2,(32-$subnet_mask));
		
		// fill array with addresses we want to see
		for($i=0;$i<$hostcount;$i++) {
			$ip = $iprange1 . '.' . $iprange2 . '.' . $iprange3 . '.' . ($iprange4+$i);
			$subnet[$ip] = array();
		}
		
		// calculate broadcast address
		$broadcast_address = $iprange1 . '.' . $iprange2 . '.' . $iprange3 .  '.' . ($iprange4+$i-1);
		
		// no pagination needed
		$tp->set("pagination", '&nbsp;');
	} else if ($subnet_mask>=16) {
		// Class B
		// which part do we want to see?
		if((empty($page)) ? $page=$subnet_address : $page=$page);
		$page = explode('.', $page);
		$page2 = $page[2];
		
		// fill array with addresses we want to see
		for($i=0;$i<256;$i++) {
			$ip = $iprange1 . '.' . $iprange2 . '.' . $page2 .  '.' . $i;
			$subnet[$ip] = array();
		}
		
		// calculate broadcast address
		$broadcast_address = $iprange1 . '.' . $iprange2 . '.' . ($iprange3+$i-1) .  '.255';
		
		// create pagination
		$pagination = 'Page:&nbsp;' . $iprange1 . '.' . $iprange2 . '.&nbsp;';
		$pagination .= '<select name="pagination" onchange="linkTo(this.options[this.selectedIndex].value);">';
		for($i=$iprange3;$i<(pow(2,(32-$subnet_mask))/256);$i++) {
			if(($i==$page2) ? $selected='selected' : $selected='');
			$pagination .= '<option value="' . $subnet_id . '&page=' . $iprange1 . '.' . $iprange2 . '.' . $i . '.0"' . $selected . '>' . $i . '.0</option>';
		}
		$pagination .= '</select>';
		$tp->set("pagination", $pagination);
	} else {
		// Class A
		// which part do we want to see?
		if((empty($page)) ? $page=$subnet_address : $page=$page);
		$page = explode('.', $page);
		$page2 = $page[1];
		$page3 = $page[2];
		
		// fill array with addresses we want to see
		for($i=0;$i<256;$i++) {
			$ip = $iprange1 . '.' . $page2 . '.' . $page3 .  '.' . $i;
			$subnet[$ip] = array();
		}
		
		// calculate broadcast address
		$broadcast_address = $iprange1 . '.' . ($iprange+$i-1) . '.255.255';
		
		// create pagination
		$pagination = 'Page:&nbsp;';
		// selectbox 1
		$pagination .= '<select name="pagination" onchange="linkTo(this.options[this.selectedIndex].value);">';
		for($i=$iprange2;$i<(pow(2,(24-$subnet_mask))/256);$i++) {
			if(($i==$page2) ? $selected='selected' : $selected='');
			$pagination .= '<option value="' . $subnet_id . '&page=' . $iprange1 . '.' . $i . '.' . $page3 . '.0"' . $selected . '>' . $iprange1 . '.' . $i . '</option>';
		}
		$pagination .= '</select><select name="pagination" onchange="linkTo(this.options[this.selectedIndex].value);">';
		// selectbox 2
		for($i=0;$i<256;$i++) {
			if(($i==$page3) ? $selected='selected' : $selected='');
			$pagination .= '<option value="' . $subnet_id . '&page=' . $iprange1 . '.' . $page2 . '.' . $i . '.0"' . $selected . '>' . $i . '.0</option>';
		}
		$pagination .= '</select>';
		$tp->set("pagination", $pagination);
	}
	
	// get nodes for this subnet and implement the values into the array
	$result = mysql_query("SELECT a.asset_name, acg.color, n.node_id, n.ip FROM asset a, assetclass ac, assetclassgroup acg, node n WHERE n.ip IN ('".implode("','",array_keys($subnet))."') AND n.subnet_id='$subnet_id' AND a.asset_id=n.asset_id AND ac.assetclass_id=a.assetclass_id AND acg.assetclassgroup_id=ac.assetclassgroup_id") or die(mysql_error());
	while ($row = mysql_fetch_array($result)) {
		$subnet[$row['ip']] = $row;
	}
	
	// replace subnet address (if in array)
	if(array_key_exists($subnet_address, $subnet)) {
		$subnet[$subnet_address]=array("subnet_address");
	}
	
	// replace broadcast address (if in array)
	if(array_key_exists($broadcast_address, $subnet)) {
		$subnet[$broadcast_address]=array("broadcast_address");
	}
	
	// loop array and send to template
	$i=1;
	foreach($subnet as $ip => $node) {
		if(($i%64==0) ? $tr="</tr><tr>" : $tr="");
		if(empty($node)) {
			$tp->set("url", 'assigniptonode.php?subnet_id=' . $subnet_id . '&ip='. $ip);
			$tp->set("remotetext", $ip);
			$tp->set("color", $config_color_unused);
		} else if ($node[0]=="subnet_address") {
			$tp->set("url", "");
			$tp->set("remotetext", $ip . '&nbsp;' . $lang['lang_subnet_subnetaddress']);
			$tp->set("color", $config_color_blocked);
		} else if ($node[0]=="broadcast_address") {
			$tp->set("url", "");
			$tp->set("remotetext", $ip . '&nbsp;' . $lang['lang_subnet_broadcastaddress']);
			$tp->set("color", $config_color_blocked);
		} else {
			$tp->set("url", 'nodeview.php?node_id=' . $node['node_id']);
			$tp->set("remotetext", $ip . '&nbsp;' . $node['asset_name']);
			$tp->set("color", $node['color']);
		}
		$tp->set("tr", $tr);
		$tp->parse("iprow");
		$i++;
	}
	$tp->parse("subnet");
	
	
	// get vlan info
	$result = mysql_query("SELECT vlan_id, vlan_number, vlan_name FROM vlan WHERE vlan_id='$vlan_id'") or die(mysql_error());
	for ($i=0;$row=mysql_fetch_object($result);$i++) {
		$tp->set("vlan_id", $row->vlan_id);
		$tp->set("vlan_name", $row->vlan_name);
		$tp->parse("vlanrow");
	}	
	if (($i>0) ? $tp->parse("vlan") : $tp->hide("vlan"));
	
	// get location info
	$result = mysql_query("SELECT l.location_id, l.location_name FROM location l INNER JOIN subnetlocation sl ON l.location_id=sl.location_id WHERE sl.subnet_id='$subnet_id'") or die(mysql_error());
	for ($i=0;$row=mysql_fetch_object($result);$i++) {
		$tp->set("location_id", $row->location_id);
		$tp->set("location_name", $row->location_name);
		$tp->parse("locationrow");
	}	
	if (($i>0) ? $tp->parse("location") : $tp->hide("location"));
	
	// get assetclassgroup info
	$result = mysql_query("SELECT assetclassgroup_id, assetclassgroup_name, color FROM assetclassgroup ORDER BY assetclassgroup_name") or die(mysql_error());
	for ($i=0;$row=mysql_fetch_object($result);$i++) {
		$tp->set("assetclassgroup_id", $row->assetclassgroup_id);
		$tp->set("assetclassgroup_name", $row->assetclassgroup_name);
		$tp->set("color", $row->color);
		$tp->parse("assetclassgrouprow");
	}
	if (($i>0) ? $tp->parse("assetclassgroup") : $tp->hide("assetclassgroup"));
		
	// output
	$tp->parse();
	$tp->spit();
	
	include("footer.php");
?>