--- /dev/null
+diff -Nuar cacti-0.8.7a-old/auth_changepassword.php cacti-0.8.7a/auth_changepassword.php
+--- cacti-0.8.7a-old/auth_changepassword.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/auth_changepassword.php 2007-11-18 09:38:25.000000000 -0600
+@@ -54,6 +54,8 @@
+ header("Location: index.php"); break;
+ case '3': /* default graph page */
+ header("Location: graph_view.php"); break;
++ default:
++ do_hook_function('login_options_navigate', $user['login_opts']);
+ }
+ }else{
+ header("Location: graph_view.php");
+diff -Nuar cacti-0.8.7a-old/auth_login.php cacti-0.8.7a/auth_login.php
+--- cacti-0.8.7a-old/auth_login.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/auth_login.php 2007-11-18 09:38:25.000000000 -0600
+@@ -203,6 +203,8 @@
+ header("Location: index.php"); break;
+ case '3': /* default graph page */
+ header("Location: graph_view.php"); break;
++ default:
++ do_hook_function('login_options_navigate', $user['login_opts']);
+ }
+ exit;
+
+@@ -253,9 +255,18 @@
+ <body bgcolor="#FFFFFF" onload="document.login.login_username.focus()">
+ <form name="login" method="post" action="<?php print basename($_SERVER["PHP_SELF"]);?>">
+ <input type="hidden" name="action" value="login">
++<?php
++
++do_hook("login_before");
++
++$cacti_logo = $config['url_path'] . 'images/auth_login.gif';
++$cacti_logo = do_hook_function('cacti_image', $cacti_logo);
++
++?>
+ <table align="center">
+ <tr>
+- <td colspan="2"><img src="images/auth_login.gif" border="0" alt=""></td>
++ <td colspan="2"><center><?php if ($cacti_logo != '') { ?><img src="<?php echo $cacti_logo; ?>" border="0" alt=""><?php } ?></center></td>
++
+ </tr>
+ <?php
+
+@@ -308,6 +319,7 @@
+ <td><input type="submit" value="Login"></td>
+ </tr>
+ </table>
++<?php do_hook('login_after'); ?>
+ </form>
+ </body>
+ </html>
+diff -Nuar cacti-0.8.7a-old/data_sources.php cacti-0.8.7a/data_sources.php
+--- cacti-0.8.7a-old/data_sources.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/data_sources.php 2007-11-18 09:38:25.000000000 -0600
+@@ -1142,6 +1142,7 @@
+ $i = 0;
+ if (sizeof($data_sources) > 0) {
+ foreach ($data_sources as $data_source) {
++ $data_source = do_hook_function('data_sources_table', $data_source);
+ $data_template_name = ((empty($data_source["data_template_name"])) ? "<em>None</em>" : $data_source["data_template_name"]);
+ $data_input_name = ((empty($data_source["data_input_name"])) ? "<em>External</em>" : $data_source["data_input_name"]);
+ $poller_interval = ((isset($poller_intervals[$data_source["local_data_id"]])) ? $poller_intervals[$data_source["local_data_id"]] : 0);
+diff -Nuar cacti-0.8.7a-old/graph_image.php cacti-0.8.7a/graph_image.php
+--- cacti-0.8.7a-old/graph_image.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/graph_image.php 2007-11-18 09:38:25.000000000 -0600
+@@ -44,6 +44,8 @@
+ /* flush the headers now */
+ ob_end_clean();
+
++do_hook_function('graph_image');
++
+ session_write_close();
+
+ $graph_data_array = array();
+diff -Nuar cacti-0.8.7a-old/graph.php cacti-0.8.7a/graph.php
+--- cacti-0.8.7a-old/graph.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/graph.php 2007-11-18 09:39:31.000000000 -0600
+@@ -93,6 +93,7 @@
+ <a href='graph.php?action=zoom&local_graph_id=<?php print $_GET["local_graph_id"];?>&rra_id=<?php print $rra["id"];?>&view_type=<?php print $_REQUEST["view_type"];?>'><img src='images/graph_zoom.gif' border='0' alt='Zoom Graph' title='Zoom Graph' style='padding: 3px;'></a><br>
+ <a href='graph_xport.php?local_graph_id=<?php print $_GET["local_graph_id"];?>&rra_id=<?php print $rra["id"];?>&view_type=<?php print $_REQUEST["view_type"];?>'><img src='images/graph_query.png' border='0' alt='CSV Export' title='CSV Export' style='padding: 3px;'></a><br>
+ <a href='graph.php?action=properties&local_graph_id=<?php print $_GET["local_graph_id"];?>&rra_id=<?php print $rra["id"];?>&view_type=<?php print $_REQUEST["view_type"];?>'><img src='images/graph_properties.gif' border='0' alt='Graph Source/Properties' title='Graph Source/Properties' style='padding: 3px;'></a>
++ <?php do_hook('graph_buttons', array('hook' => 'view', 'local_graph_id' => $_GET['local_graph_id'], 'rra' => $rra['id'], 'view_type' => $_REQUEST['view_type'])); ?>
+ </td>
+ </tr>
+ <tr>
+@@ -207,6 +208,7 @@
+ <td valign='top' style='padding: 3px;' class='noprint'>
+ <a href='graph.php?action=properties&local_graph_id=<?php print $_GET["local_graph_id"];?>&rra_id=<?php print $_GET["rra_id"];?>&view_type=<?php print $_REQUEST["view_type"];?>&graph_start=<?php print $graph_start;?>&graph_end=<?php print $graph_end;?>'><img src='images/graph_properties.gif' border='0' alt='Graph Source/Properties' title='Graph Source/Properties' style='padding: 3px;'></a>
+ <a href='graph_xport.php?local_graph_id=<?php print $_GET["local_graph_id"];?>&rra_id=<?php print $rra["id"];?>&view_type=<?php print $_REQUEST["view_type"];?>&graph_start=<?php print $graph_start;?>&graph_end=<?php print $graph_end;?>'><img src='images/graph_query.png' border='0' alt='CSV Export' title='CSV Export' style='padding: 3px;'></a><br>
++ <?php do_hook('graph_buttons', array('hook' => 'zoom', 'local_graph_id' => $_GET['local_graph_id'], 'rra' => $_GET['rra_id'], 'view_type' => $_REQUEST['view_type'])); ?>
+ </td>
+ </tr>
+ <tr>
+@@ -239,6 +241,7 @@
+ <td valign='top' style='padding: 3px;'>
+ <a href='graph.php?action=zoom&local_graph_id=<?php print $_GET["local_graph_id"];?>&rra_id=<?php print $_GET["rra_id"];?>&view_type=<?php print $_REQUEST["view_type"];?>'><img src='images/graph_zoom.gif' border='0' alt='Zoom Graph' title='Zoom Graph' style='padding: 3px;'></a><br>
+ <a href='graph_xport.php?local_graph_id=<?php print $_GET["local_graph_id"];?>&rra_id=<?php print $_GET["rra_id"];?>&view_type=<?php print $_REQUEST["view_type"];?>'><img src='images/graph_query.png' border='0' alt='CSV Export' title='CSV Export' style='padding: 3px;'></a><br>
++ <?php do_hook('graph_buttons', array('hook' => 'properties', 'local_graph_id' => $_GET['local_graph_id'], 'rra' => $_GET['rra_id'], 'view_type' => $_REQUEST['view_type'])); ?>
+ </td>
+ </tr>
+ <tr>
+diff -Nuar cacti-0.8.7a-old/graphs_new.php cacti-0.8.7a/graphs_new.php
+--- cacti-0.8.7a-old/graphs_new.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/graphs_new.php 2007-11-18 09:38:25.000000000 -0600
+@@ -473,7 +473,8 @@
+ </td>
+ <td nowrap style='white-space: nowrap;' class="textInfo" align="center" valign="top">
+ <span style="white-space: nowrap; color: #c16921;">*</span><a href="host.php?action=edit&id=<?php print $_REQUEST["host_id"];?>">Edit this Host</a><br>
+- <span style="white-space: nowrap; color: #c16921;">*</span><a href="host.php?action=edit">Create New Host</a>
++ <span style="white-space: nowrap; color: #c16921;">*</span><a href="host.php?action=edit">Create New Host</a><br>
++ <?php do_hook('graphs_new_top_links'); ?>
+ </td>
+ </tr>
+ </table>
+diff -Nuar cacti-0.8.7a-old/graphs.php cacti-0.8.7a/graphs.php
+--- cacti-0.8.7a-old/graphs.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/graphs.php 2007-11-18 09:38:25.000000000 -0600
+@@ -45,6 +45,8 @@
+ 4 => "Convert to Graph Template"
+ );
+
++$graph_actions = do_hook_function('graphs_action_array', $graph_actions);
++
+ /* set default action */
+ if (!isset($_REQUEST["action"])) { $_REQUEST["action"] = ""; }
+
+@@ -357,8 +359,10 @@
+ input_validate_input_number($selected_items[$i]);
+ /* ==================================================== */
+
+- api_resize_graphs($selected_items[$i], $_POST["graph_width"], $_POST["graph_height"]);
++ api_resize_graphs($selected_items[$i], $_POST['graph_width'], $_POST['graph_height']);
+ }
++ } else {
++ do_hook_function('graphs_action_execute', $_POST['drp_action']);
+ }
+
+ header("Location: graphs.php");
+@@ -499,6 +503,11 @@
+ </td>
+ </tr>\n
+ ";
++ } else {
++ $save['drp_action'] = $_POST['drp_action'];
++ $save['graph_list'] = $graph_list;
++ $save['graph_array'] = $graph_array;
++ do_hook_function('graphs_action_prepare', $save);
+ }
+
+ if (!isset($graph_array)) {
+diff -Nuar cacti-0.8.7a-old/host.php cacti-0.8.7a/host.php
+--- cacti-0.8.7a-old/host.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/host.php 2007-11-18 09:38:25.000000000 -0600
+@@ -44,6 +44,8 @@
+ 6 => "Change Availability Options"
+ );
+
++$device_actions = do_hook_function('device_action_array', $device_actions);
++
+ /* set default action */
+ if (!isset($_REQUEST["action"])) { $_REQUEST["action"] = ""; }
+
+@@ -309,6 +311,8 @@
+
+ api_tree_item_save(0, $_POST["tree_id"], TREE_ITEM_TYPE_HOST, $_POST["tree_item_id"], "", 0, read_graph_config_option("default_rra_id"), $selected_items[$i], 1, 1, false);
+ }
++ } else {
++ do_hook_function('device_action_execute', $_POST['drp_action']);
+ }
+
+ header("Location: host.php");
+@@ -445,6 +449,11 @@
+ </tr>\n
+ <input type='hidden' name='tree_id' value='" . $matches[1] . "'>\n
+ ";
++ } else {
++ $save['drp_action'] = $_POST['drp_action'];
++ $save['host_list'] = $host_list;
++ $save['host_array'] = (isset($host_array)? $host_array : array());
++ do_hook_function('device_action_prepare', $save);
+ }
+
+ if (!isset($host_array)) {
+diff -Nuar cacti-0.8.7a-old/include/auth.php cacti-0.8.7a/include/auth.php
+--- cacti-0.8.7a-old/include/auth.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/include/auth.php 2007-11-18 09:38:25.000000000 -0600
+@@ -75,7 +75,7 @@
+ <html>
+ <head>
+ <title>Cacti</title>
+- <link href="include/main.css" rel="stylesheet">
++ <link href="<?php echo $config['url_path']; ?>include/main.css" rel="stylesheet">
+ </style>
+ </head>
+
+@@ -83,7 +83,7 @@
+
+ <table width="450" align='center'>
+ <tr>
+- <td colspan='2'><img src='images/auth_deny.gif' border='0' alt='Access Denied'></td>
++ <td colspan='2'><img src='<?php echo $config['url_path']; ?>images/auth_deny.gif' border='0' alt='Access Denied'></td>
+ </tr>
+ <tr height='10'><td></td></tr>
+ <tr>
+@@ -91,7 +91,7 @@
+ need access to this particular section, please contact the Cacti administrator.</td>
+ </tr>
+ <tr>
+- <td class='textArea' colspan='2' align='center'>( <a href='' onclick='javascript: history.back();'>Return</a> | <a href='index.php'>Login</a> )</td>
++ <td class='textArea' colspan='2' align='center'>( <a href='' onclick='javascript: history.back();'>Return</a> | <a href='<?php echo $config['url_path']; ?>index.php'>Login</a> )</td>
+ </tr>
+ </table>
+
+diff -Nuar cacti-0.8.7a-old/include/global_arrays.php cacti-0.8.7a/include/global_arrays.php
+--- cacti-0.8.7a-old/include/global_arrays.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/include/global_arrays.php 2007-11-18 09:40:22.000000000 -0600
+@@ -22,6 +22,8 @@
+ +-------------------------------------------------------------------------+
+ */
+
++global $menu;
++
+ $messages = array(
+ 1 => array(
+ "message" => 'Save Successful.',
+@@ -595,4 +597,10 @@
+ GDC_SLASH => "/"
+ );
+
++$plugin_architecture = array(
++ 'version' => '1.4'
++ );
++
++do_hook('config_arrays');
++
+ ?>
+diff -Nuar cacti-0.8.7a-old/include/global_form.php cacti-0.8.7a/include/global_form.php
+--- cacti-0.8.7a-old/include/global_form.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/include/global_form.php 2007-11-18 09:38:25.000000000 -0600
+@@ -22,8 +22,9 @@
+ +-------------------------------------------------------------------------+
+ */
+
+-if (!defined("VALID_HOST_FIELDS")) {
+- define("VALID_HOST_FIELDS", "(hostname|snmp_community|snmp_username|snmp_password|snmp_auth_protocol|snmp_priv_passphrase|snmp_priv_protocol|snmp_context|snmp_version|snmp_port|snmp_timeout)");
++if (!defined('VALID_HOST_FIELDS')) {
++ $string = do_hook_function('valid_host_fields', '(hostname|snmp_community|snmp_username|snmp_password|snmp_auth_protocol|snmp_priv_passphrase|snmp_priv_protocol|snmp_context|snmp_version|snmp_port|snmp_timeout)');
++ define('VALID_HOST_FIELDS', $string);
+ }
+
+ /* file: cdef.php, action: edit */
+@@ -1153,4 +1154,6 @@
+ )
+ );
+
++do_hook('config_form');
++
+ ?>
+diff -Nuar cacti-0.8.7a-old/include/global.php cacti-0.8.7a/include/global.php
+--- cacti-0.8.7a-old/include/global.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/include/global.php 2007-11-18 09:38:25.000000000 -0600
+@@ -41,6 +41,21 @@
+ /* Default session name - Session name must contain alpha characters */
+ $cacti_session_name = "Cacti";
+
++$plugins = array();
++//$plugins[] = 'thold';
++
++/* Do not edit this line */
++$config = array();
++
++/*
++ This is full URL Path to the Cacti installation
++ For example, if your cacti was accessible by http://server/cacti/ you would user '/cacti/'
++ as the url path. For just http://server/ use '/'
++*/
++
++$config['url_path'] = '/';
++
++
+ /* Include configuration */
+ include(dirname(__FILE__) . "/config.php");
+
+@@ -73,7 +88,6 @@
+ "rebuild_poller_cache.php"
+ );
+
+-$config = array();
+ $colors = array();
+
+ /* this should be auto-detected, set it manually if needed */
+@@ -88,6 +102,13 @@
+ $config["include_path"] = dirname(__FILE__);
+ $config["rra_path"] = $config["base_path"] . '/rra';
+
++define('URL_PATH', $config['url_path']);
++
++/* include the plugin function, we do this before everything else,
++ incase we want to add hooks to change config options */
++
++include_once($config['include_path'] . '/plugins.php');
++
+ /* colors */
+ $colors["dark_outline"] = "454E53";
+ $colors["dark_bar"] = "AEB4B7";
+diff -Nuar cacti-0.8.7a-old/include/global_settings.php cacti-0.8.7a/include/global_settings.php
+--- cacti-0.8.7a-old/include/global_settings.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/include/global_settings.php 2007-11-18 09:38:25.000000000 -0600
+@@ -1083,4 +1083,6 @@
+ )
+ );
+
++do_hook('config_settings');
++
+ ?>
+diff -Nuar cacti-0.8.7a-old/include/plugins.php cacti-0.8.7a/include/plugins.php
+--- cacti-0.8.7a-old/include/plugins.php 1969-12-31 17:00:00.000000000 -0700
++++ cacti-0.8.7a/include/plugins.php 2007-11-18 09:38:25.000000000 -0600
+@@ -0,0 +1,89 @@
++<?php
++
++/*
++ * Copyright (c) 1999-2005 The SquirrelMail Project Team (http://squirrelmail.org)
++ * Licensed under the GNU GPL. For full terms see the file COPYING.
++ */
++
++global $plugin_hooks;
++$plugin_hooks = array();
++
++function use_plugin ($name) {
++ global $config;
++ if (file_exists($config['base_path'] . "/plugins/$name/setup.php")) {
++ include_once($config['base_path'] . "/plugins/$name/setup.php");
++ $function = "plugin_init_$name";
++ if (function_exists($function)) {
++ $function();
++ }
++ }
++}
++
++/**
++ * This function executes a hook.
++ * @param string $name Name of hook to fire
++ * @return mixed $data
++ */
++function do_hook ($name) {
++ global $plugin_hooks;
++ $data = func_get_args();
++ $ret = '';
++
++ if (isset($plugin_hooks[$name]) && is_array($plugin_hooks[$name])) {
++ foreach ($plugin_hooks[$name] as $function) {
++ if (function_exists($function)) {
++ $function($data);
++ }
++ }
++ }
++
++ /* Variable-length argument lists have a slight problem when */
++ /* passing values by reference. Pity. This is a workaround. */
++ return $data;
++}
++
++function do_hook_function($name,$parm=NULL) {
++ global $plugin_hooks;
++ $ret = $parm;
++
++ if (isset($plugin_hooks[$name])
++ && is_array($plugin_hooks[$name])) {
++ foreach ($plugin_hooks[$name] as $function) {
++ if (function_exists($function)) {
++ $ret = $function($ret);
++ }
++ }
++ }
++
++ /* Variable-length argument lists have a slight problem when */
++ /* passing values by reference. Pity. This is a workaround. */
++ return $ret;
++}
++
++function api_user_realm_auth ($filename = '') {
++ global $user_realms, $user_auth_realm_filenames, $user_auth_realms;
++ /* list all realms that this user has access to */
++
++ if (!isset($user_realms)) {
++ if (read_config_option('global_auth') == 'on') {
++ $user_realms = db_fetch_assoc('select realm_id from user_auth_realm where user_id=' . $_SESSION['sess_user_id']);
++ $user_realms = array_rekey($user_realms, 'realm_id', 'realm_id');
++ }else{
++ $user_realms = $user_auth_realms;
++ }
++ }
++
++ if ($filename != '') {
++ if (isset($user_realms[$user_auth_realm_filenames{basename($filename)}]))
++ return TRUE;
++ }
++ return FALSE;
++}
++
++/* On startup, register all plugins configured for use. */
++if (isset($plugins) && is_array($plugins)) {
++ foreach ($plugins as $name) {
++ use_plugin($name);
++ }
++}
++
+diff -Nuar cacti-0.8.7a-old/include/top_graph_header.php cacti-0.8.7a/include/top_graph_header.php
+--- cacti-0.8.7a-old/include/top_graph_header.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/include/top_graph_header.php 2007-11-18 09:38:25.000000000 -0600
+@@ -92,26 +92,30 @@
+ }
+ }
+
++$page_title = do_hook_function('page_title', 'Cacti');
++
+ ?>
+ <html>
+ <head>
+- <title>Cacti</title>
++ <title><?php echo $page_title; ?></title>
+ <?php if (isset($_SESSION["custom"])) {
+ if ($_SESSION["custom"]) {
+ print "<meta http-equiv=refresh content='99999'>\r\n";
+ }else{
+- print "<meta http-equiv=refresh content='" . read_graph_config_option("page_refresh") . "'>\r\n";
++ $refresh = do_hook_function('top_graph_refresh', read_graph_config_option('page_refresh'));
++ print "<meta http-equiv=refresh content='" . $refresh . "'>\r\n";
+ }
+ }
+ ?>
+- <link href="include/main.css" rel="stylesheet">
+- <link href="images/favicon.ico" rel="shortcut icon"/>
+- <script type="text/javascript" src="include/layout.js"></script>
+- <script type="text/javascript" src="include/treeview/ua.js"></script>
+- <script type="text/javascript" src="include/treeview/ftiens4.js"></script>
+- <script type="text/javascript" src="include/jscalendar/calendar.js"></script>
+- <script type="text/javascript" src="include/jscalendar/lang/calendar-en.js"></script>
+- <script type="text/javascript" src="include/jscalendar/calendar-setup.js"></script>
++ <link href="<?php echo $config['url_path']; ?>include/main.css" rel="stylesheet">
++ <link href="<?php echo $config['url_path']; ?>images/favicon.ico" rel="shortcut icon"/>
++ <script type="text/javascript" src="<?php echo $config['url_path']; ?>include/layout.js"></script>
++ <script type="text/javascript" src="<?php echo $config['url_path']; ?>include/treeview/ua.js"></script>
++ <script type="text/javascript" src="<?php echo $config['url_path']; ?>include/treeview/ftiens4.js"></script>
++ <script type="text/javascript" src="<?php echo $config['url_path']; ?>include/jscalendar/calendar.js"></script>
++ <script type="text/javascript" src="<?php echo $config['url_path']; ?>include/jscalendar/lang/calendar-en.js"></script>
++ <script type="text/javascript" src="<?php echo $config['url_path']; ?>include/jscalendar/calendar-setup.js"></script>
++ <?php do_hook('page_head'); ?>
+ </head>
+
+ <body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
+@@ -123,13 +127,15 @@
+ <table width="100%" cellspacing="0" cellpadding="0">
+ <tr>
+ <td nowrap>
+- <?php if ($show_console_tab == true) {?><a href="index.php"><img src="images/tab_console.gif" alt="Console" align="absmiddle" border="0"></a><?php }?><a href="graph_view.php"><img src="images/tab_graphs<?php if ((substr(basename($_SERVER["PHP_SELF"]),0,5) == "graph") || (basename($_SERVER["PHP_SELF"]) == "graph_settings.php")) { print "_down"; } print ".gif";?>" alt="Graphs" align="absmiddle" border="0"></a>
++ <?php if ($show_console_tab == true) {?><a href="<?php echo $config['url_path']; ?>index.php"><img src="<?php echo $config['url_path']; ?>images/tab_console.gif" alt="Console" align="absmiddle" border="0"></a><?php }?><a href="<?php echo $config['url_path']; ?>graph_view.php"><img src="<?php echo $config['url_path']; ?>images/tab_graphs<?php if ((substr(basename($_SERVER["PHP_SELF"]),0,5) == "graph") || (basename($_SERVER["PHP_SELF"]) == "graph_settings.php")) { print "_down"; } print ".gif";?>" alt="Graphs" align="absmiddle" border="0"></a><?php
++ do_hook('top_graph_header_tabs');
++ ?>
+ </td>
+ <td>
+- <img src="images/cacti_backdrop2.gif" align="absmiddle">
++ <img src="<?php echo $config['url_path']; ?>images/cacti_backdrop2.gif" align="absmiddle">
+ </td>
+ <td align="right" nowrap>
+- <?php if ((!isset($_SESSION["sess_user_id"])) || ($current_user["graph_settings"] == "on")) { print '<a href="graph_settings.php"><img src="images/tab_settings'; if (basename($_SERVER["PHP_SELF"]) == "graph_settings.php") { print "_down"; } print '.gif" border="0" alt="Settings" align="absmiddle"></a>';}?> <?php if ((!isset($_SESSION["sess_user_id"])) || ($current_user["show_tree"] == "on")) {?><a href="graph_view.php?action=tree"><img src="images/tab_mode_tree<?php if ($_REQUEST["action"] == "tree") { print "_down"; }?>.gif" border="0" title="Tree View" alt="Tree View" align="absmiddle"></a><?php }?><?php if ((!isset($_SESSION["sess_user_id"])) || ($current_user["show_list"] == "on")) {?><a href="graph_view.php?action=list"><img src="images/tab_mode_list<?php if ($_REQUEST["action"] == "list") { print "_down"; }?>.gif" border="0" title="List View" alt="List View" align="absmiddle"></a><?php }?><?php if ((!isset($_SESSION["sess_user_id"])) || ($current_user["show_preview"] == "on")) {?><a href="graph_view.php?action=preview"><img src="images/tab_mode_preview<?php if ($_REQUEST["action"] == "preview") { print "_down"; }?>.gif" border="0" title="Preview View" alt="Preview View" align="absmiddle"></a><?php }?> <br>
++ <?php if ((!isset($_SESSION["sess_user_id"])) || ($current_user["graph_settings"] == "on")) { print '<a href="' . $config['url_path'] . 'graph_settings.php"><img src="' . $config['url_path'] . 'images/tab_settings'; if (basename($_SERVER["PHP_SELF"]) == "graph_settings.php") { print "_down"; } print '.gif" border="0" alt="Settings" align="absmiddle"></a>';}?> <?php if ((!isset($_SESSION["sess_user_id"])) || ($current_user["show_tree"] == "on")) {?><a href="<?php echo $config['url_path']; ?>graph_view.php?action=tree"><img src="<?php echo $config['url_path']; ?>images/tab_mode_tree<?php if ($_REQUEST["action"] == "tree") { print "_down"; }?>.gif" border="0" title="Tree View" alt="Tree View" align="absmiddle"></a><?php }?><?php if ((!isset($_SESSION["sess_user_id"])) || ($current_user["show_list"] == "on")) {?><a href="<?php echo $config['url_path']; ?>graph_view.php?action=list"><img src="<?php echo $config['url_path']; ?>images/tab_mode_list<?php if ($_REQUEST["action"] == "list") { print "_down"; }?>.gif" border="0" title="List View" alt="List View" align="absmiddle"></a><?php }?><?php if ((!isset($_SESSION["sess_user_id"])) || ($current_user["show_preview"] == "on")) {?><a href="<?php echo $config['url_path']; ?>graph_view.php?action=preview"><img src="<?php echo $config['url_path']; ?>images/tab_mode_preview<?php if ($_REQUEST["action"] == "preview") { print "_down"; }?>.gif" border="0" title="Preview View" alt="Preview View" align="absmiddle"></a><?php }?> <br>
+ </td>
+ </tr>
+ </table>
+@@ -137,7 +143,7 @@
+ </tr>
+ <tr height="2" colspan="2" bgcolor="#183c8f" class="noprint">
+ <td colspan="2">
+- <img src="images/transparent_line.gif" width="170" height="2" border="0"><br>
++ <img src="<?php echo $config['url_path']; ?>images/transparent_line.gif" width="170" height="2" border="0"><br>
+ </td>
+ </tr>
+ <tr height="5" bgcolor="#e9e9e9" class="noprint">
+@@ -149,7 +155,7 @@
+ </td>
+ <td align="right">
+ <?php if ((isset($_SESSION["sess_user_id"])) && ($using_guest_account == false)) { ?>
+- Logged in as <strong><?php print db_fetch_cell("select username from user_auth where id=" . $_SESSION["sess_user_id"]);?></strong> (<a href="logout.php">Logout</a>)
++ Logged in as <strong><?php print db_fetch_cell("select username from user_auth where id=" . $_SESSION["sess_user_id"]);?></strong> (<a href="<?php echo $config['url_path']; ?>logout.php">Logout</a>)
+ <?php } ?>
+ </td>
+ </tr>
+@@ -157,10 +163,10 @@
+ </td>
+ </tr>
+ <tr class="noprint">
+- <td bgcolor="#efefef" colspan="1" height="8" style="background-image: url(images/shadow_gray.gif); background-repeat: repeat-x; border-right: #aaaaaa 1px solid;">
+- <img src="images/transparent_line.gif" width="<?php print read_graph_config_option("default_dual_pane_width");?>" height="2" border="0"><br>
++ <td bgcolor="#efefef" colspan="1" height="8" style="background-image: url(<?php echo $config['url_path']; ?>images/shadow_gray.gif); background-repeat: repeat-x; border-right: #aaaaaa 1px solid;">
++ <img src="<?php echo $config['url_path']; ?>images/transparent_line.gif" width="<?php print read_graph_config_option("default_dual_pane_width");?>" height="2" border="0"><br>
+ </td>
+- <td bgcolor="#ffffff" colspan="1" height="8" style="background-image: url(images/shadow.gif); background-repeat: repeat-x;">
++ <td bgcolor="#ffffff" colspan="1" height="8" style="background-image: url(<?php echo $config['url_path']; ?>images/shadow.gif); background-repeat: repeat-x;">
+
+ </td>
+ </tr>
+diff -Nuar cacti-0.8.7a-old/include/top_header.php cacti-0.8.7a/include/top_header.php
+--- cacti-0.8.7a-old/include/top_header.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/include/top_header.php 2007-11-18 09:38:25.000000000 -0600
+@@ -22,21 +22,25 @@
+ +-------------------------------------------------------------------------+
+ */
+
+-global $colors;
++global $colors, $config;
++
++$page_title = do_hook_function('page_title', 'Cacti');
++
+ ?>
+ <html>
+ <head>
+- <title>Cacti</title>
+- <link href="include/main.css" rel="stylesheet">
+- <link href="images/favicon.ico" rel="shortcut icon"/>
+- <script type="text/javascript" src="include/layout.js"></script>
++ <title><?php echo $page_title; ?></title>
++ <link href="<?php echo $config['url_path']; ?>include/main.css" rel="stylesheet">
++ <link href="<?php echo $config['url_path']; ?>images/favicon.ico" rel="shortcut icon"/>
++ <script type="text/javascript" src="<?php echo $config['url_path']; ?>include/layout.js"></script>
+ <?php if (isset($refresh)) {
+ print "<meta http-equiv=refresh content=\"" . $refresh["seconds"] . "; url='" . $refresh["page"] . "'\">";
+- }?>
++ }
++ do_hook('page_head'); ?>
+ </style>
+ </head>
+
+-<body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0" background="images/left_border.gif">
++<body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0" background="<?php echo $config['url_path']; ?>images/left_border.gif">
+
+ <table width="100%" cellspacing="0" cellpadding="0">
+ <tr height="37" bgcolor="#a9a9a9">
+@@ -44,10 +48,11 @@
+ <table width="100%" cellspacing="0" cellpadding="0">
+ <tr>
+ <td valign="bottom">
+- <a href="index.php"><img src="images/tab_console_down.gif" alt="Console" align="absmiddle" border="0"></a><a href="graph_view.php"><img src="images/tab_graphs.gif" alt="Graphs" align="absmiddle" border="0"></a>
+- </td>
++ <a href="<?php echo $config['url_path']; ?>index.php"><img src="<?php echo $config['url_path']; ?>images/tab_console_down.gif" alt="Console" align="absmiddle" border="0"></a><a href="<?php echo $config['url_path']; ?>graph_view.php"><img src="<?php echo $config['url_path']; ?>images/tab_graphs.gif" alt="Graphs" align="absmiddle" border="0"></a><?php
++ do_hook('top_header_tabs');
++ ?></td>
+ <td align="right">
+- <img src="images/cacti_backdrop.gif" align="absmiddle">
++ <img src="<?php echo $config['url_path']; ?>images/cacti_backdrop.gif" align="absmiddle">
+ </td>
+ </tr>
+ </table>
+@@ -55,7 +60,7 @@
+ </tr>
+ <tr height="2" bgcolor="#183c8f">
+ <td colspan="3">
+- <img src="images/transparent_line.gif" height="2" border="0"><br>
++ <img src="<?php echo $config['url_path']; ?>images/transparent_line.gif" height="2" border="0"><br>
+ </td>
+ </tr>
+ <tr height="5" bgcolor="#e9e9e9">
+@@ -67,7 +72,7 @@
+ </td>
+ <td align="right">
+ <?php if (read_config_option("auth_method") != 0) { ?>
+- Logged in as <strong><?php print db_fetch_cell("select username from user_auth where id=" . $_SESSION["sess_user_id"]);?></strong> (<a href="logout.php">Logout</a>)
++ Logged in as <strong><?php print db_fetch_cell("select username from user_auth where id=" . $_SESSION["sess_user_id"]);?></strong> (<a href="<?php echo $config['url_path']; ?>logout.php">Logout</a>)
+ <?php } ?>
+ </td>
+ </tr>
+@@ -75,10 +80,10 @@
+ </td>
+ </tr>
+ <tr>
+- <td bgcolor="#f5f5f5" colspan="1" height="8" width="135" style="background-image: url(images/shadow_gray.gif); background-repeat: repeat-x; border-right: #aaaaaa 1px solid;">
+- <img src="images/transparent_line.gif" width="135" height="2" border="0"><br>
+- </td>
+- <td colspan="2" height="8" style="background-image: url(images/shadow.gif); background-repeat: repeat-x;" bgcolor="#ffffff">
++ <td bgcolor="#f5f5f5" colspan="1" height="8" width="135" style="background-image: url(<?php echo $config['url_path']; ?>images/shadow_gray.gif); background-repeat: repeat-x; border-right: #aaaaaa 1px solid;">
++ <img src="<?php echo $config['url_path']; ?>images/transparent_line.gif" width="135" height="2" border="0"><br>
++ </td>
++ <td colspan="2" height="8" style="background-image: url(<?php echo $config['url_path']; ?>images/shadow.gif); background-repeat: repeat-x;" bgcolor="#ffffff">
+
+ </td>
+ </tr>
+@@ -88,9 +93,9 @@
+ <?php draw_menu();?>
+ </table>
+
+- <img src="images/transparent_line.gif" width="135" height="5" border="0"><br>
+- <p align="center"><a href='about.php'><img src="images/cacti_logo.gif" border="0"></a></p>
+- <img src="images/transparent_line.gif" width="135" height="5" border="0"><br>
++ <img src="<?php echo $config['url_path']; ?>images/transparent_line.gif" width="135" height="5" border="0"><br>
++ <p align="center"><a href='<?php echo $config['url_path']; ?>about.php'><img src="<?php echo $config['url_path']; ?>images/cacti_logo.gif" border="0"></a></p>
++ <img src="<?php echo $config['url_path']; ?>images/transparent_line.gif" width="135" height="5" border="0"><br>
+ </td>
+ <td width="100%" colspan="2" valign="top" style="padding: 5px; border-right: #aaaaaa 1px solid;"><?php display_output_messages();?>
+
+diff -Nuar cacti-0.8.7a-old/index.php cacti-0.8.7a/index.php
+--- cacti-0.8.7a-old/index.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/index.php 2007-11-18 09:38:25.000000000 -0600
+@@ -25,6 +25,8 @@
+ include("./include/auth.php");
+ include("./include/top_header.php");
+
++do_hook('console_before');
++
+ ?>
+ <table width="100%" align="center">
+ <tr>
+@@ -46,6 +48,8 @@
+
+ <?php
+
++do_hook('console_after');
++
+ include("./include/bottom_footer.php");
+
+ ?>
+diff -Nuar cacti-0.8.7a-old/lib/api_device.php cacti-0.8.7a/lib/api_device.php
+--- cacti-0.8.7a-old/lib/api_device.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/lib/api_device.php 2007-11-18 09:38:25.000000000 -0600
+@@ -126,6 +126,8 @@
+ $save["ping_retries"] = form_input_validate($ping_retries, "ping_retries", "^[0-9]+$", true, 3);
+ $save["max_oids"] = form_input_validate($max_oids, "max_oids", "^[0-9]+$", true, 3);
+
++ $save = do_hook_function('api_device_save', $save);
++
+ $host_id = 0;
+
+ if (!is_error_message()) {
+diff -Nuar cacti-0.8.7a-old/lib/functions.php cacti-0.8.7a/lib/functions.php
+--- cacti-0.8.7a-old/lib/functions.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/lib/functions.php 2007-11-18 09:38:26.000000000 -0600
+@@ -1476,6 +1476,7 @@
+ /* draw_navigation_text - determines the top header navigation text for the current page and displays it to
+ the browser */
+ function draw_navigation_text() {
++ global $config;
+ $nav_level_cache = (isset($_SESSION["sess_nav_level_cache"]) ? $_SESSION["sess_nav_level_cache"] : array());
+
+ $nav = array(
+@@ -1488,7 +1489,7 @@
+ "graph.php:zoom" => array("title" => "Zoom", "mapping" => "graph_view.php:,?,graph.php:view", "level" => "3"),
+ "graph.php:properties" => array("title" => "Properties", "mapping" => "graph_view.php:,?,graph.php:view", "level" => "3"),
+ "graph_settings.php:" => array("title" => "Settings", "mapping" => "graph_view.php:", "url" => "graph_settings.php", "level" => "1"),
+- "index.php:" => array("title" => "Console", "mapping" => "", "url" => "index.php", "level" => "0"),
++ "index.php:" => array("title" => "Console", "mapping" => "", "url" => $config['url_path'] . "index.php", "level" => "0"),
+ "graphs.php:" => array("title" => "Graph Management", "mapping" => "index.php:", "url" => "graphs.php", "level" => "1"),
+ "graphs.php:graph_edit" => array("title" => "(Edit)", "mapping" => "index.php:,graphs.php:", "url" => "", "level" => "2"),
+ "graphs.php:graph_diff" => array("title" => "Change Graph Template", "mapping" => "index.php:,graphs.php:,graphs.php:graph_edit", "url" => "", "level" => "3"),
+@@ -1565,6 +1566,8 @@
+ "templates_import.php:" => array("title" => "Import Templates", "mapping" => "index.php:", "url" => "templates_import.php", "level" => "1"),
+ );
+
++ $nav = do_hook_function('draw_navigation_text', $nav);
++
+ $current_page = basename($_SERVER["PHP_SELF"]);
+ $current_action = (isset($_REQUEST["action"]) ? $_REQUEST["action"] : "");
+
+diff -Nuar cacti-0.8.7a-old/lib/html_form.php cacti-0.8.7a/lib/html_form.php
+--- cacti-0.8.7a-old/lib/html_form.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/lib/html_form.php 2007-11-18 09:38:26.000000000 -0600
+@@ -655,11 +655,13 @@
+ on a confirmation form
+ @arg $cancel_url - the url to go to when the user clicks 'cancel'
+ @arg $action_url - the url to go to when the user clicks 'delete' */
+-function form_confirm_buttons($action_url, $cancel_url) { ?>
++function form_confirm_buttons($action_url, $cancel_url) {
++ global $config;
++?>
+ <tr>
+ <td bgcolor="#E1E1E1">
+- <a href="<?php print $cancel_url;?>"><img src="images/button_cancel.gif" border="0" alt="Cancel" align="absmiddle"></a>
+- <a href="<?php print $action_url . "&confirm=yes";?>"><img src="images/button_delete.gif" border="0" alt="Delete" align="absmiddle"></a>
++ <a href="<?php print $cancel_url;?>"><img src="<?php print $config['url_path'] ?>images/button_cancel.gif" border="0" alt="Cancel" align="absmiddle"></a>
++ <a href="<?php print $action_url . "&confirm=yes";?>"><img src="<?php print $config['url_path'] ?>images/button_delete.gif" border="0" alt="Delete" align="absmiddle"></a>
+ </td>
+ </tr>
+ <?php }
+@@ -670,6 +672,7 @@
+ @arg $force_type - if specified, will force the 'action' button to be either
+ 'save' or 'create'. otherwise this field should be properly auto-detected */
+ function form_save_button($cancel_url, $force_type = "", $key_field = "id") {
++ global $config;
+ if (empty($force_type)) {
+ if (empty($_GET[$key_field])) {
+ $img = "button_create.gif";
+@@ -690,8 +693,8 @@
+ <tr>
+ <td bgcolor="#f5f5f5" align="right">
+ <input type='hidden' name='action' value='save'>
+- <a href='<?php print $cancel_url;?>'><img src='images/button_cancel2.gif' alt='Cancel' align='absmiddle' border='0'></a>
+- <input type='image' src='images/<?php print $img;?>' alt='<?php print $alt;?>' align='absmiddle'>
++ <a href='<?php print $cancel_url;?>'><img src='<?php echo $config['url_path']; ?>images/button_cancel2.gif' alt='Cancel' align='absmiddle' border='0'></a>
++ <input type='image' src='<?php echo $config['url_path']; ?>images/<?php print $img;?>' alt='<?php print $alt;?>' align='absmiddle'>
+ </td>
+ </tr>
+ </table>
+diff -Nuar cacti-0.8.7a-old/lib/html.php cacti-0.8.7a/lib/html.php
+--- cacti-0.8.7a-old/lib/html.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/lib/html.php 2007-11-18 09:44:04.000000000 -0600
+@@ -86,6 +86,7 @@
+ @arg $extra_url_args - extra arguments to append to the url
+ @arg $header - html to use as a header */
+ function html_graph_area(&$graph_array, $no_graphs_message = "", $extra_url_args = "", $header = "") {
++ global $config;
+ $i = 0;
+ if (sizeof($graph_array) > 0) {
+ if ($header != "") {
+@@ -99,12 +100,13 @@
+ <table width='1' cellpadding='0'>
+ <tr>
+ <td>
+- <a href='graph.php?action=view&local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=all'><img class='graphimage' id='graph_<?php print $graph["local_graph_id"] ?>' src='graph_image.php?local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=0<?php print (($extra_url_args == "") ? "" : "&$extra_url_args");?>' border='0' alt='<?php print $graph["title_cache"];?>'></a>
++ <a href='<?php print $config['url_path']; ?>graph.php?action=view&local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=all'><img class='graphimage' id='graph_<?php print $graph["local_graph_id"] ?>' src='<?php print $config['url_path']; ?>graph_image.php?local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=0<?php print (($extra_url_args == "") ? "" : "&$extra_url_args");?>' border='0' alt='<?php print $graph["title_cache"];?>'></a>
+ </td>
+ <td valign='top' style='padding: 3px;' class='noprint'>
+- <a href='graph.php?action=zoom&local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=0&<?php print $extra_url_args;?>'><img src='images/graph_zoom.gif' border='0' alt='Zoom Graph' title='Zoom Graph' style='padding: 3px;'></a><br>
+- <a href='graph_xport.php?local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=0&<?php print $extra_url_args;?>'><img src='images/graph_query.png' border='0' alt='CSV Export' title='CSV Export' style='padding: 3px;'></a><br>
+- <a href='#page_top'><img src='images/graph_page_top.gif' border='0' alt='Page Top' title='Page Top' style='padding: 3px;'></a><br>
++ <a href='<?php print $config['url_path']; ?>graph.php?action=zoom&local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=0&<?php print $extra_url_args;?>'><img src='<?php print $config['url_path']; ?>images/graph_zoom.gif' border='0' alt='Zoom Graph' title='Zoom Graph' style='padding: 3px;'></a><br>
++ <a href='<?php print $config['url_path']; ?>graph_xport.php?local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=0&<?php print $extra_url_args;?>'><<?php print $config['url_path']; ?>img src='images/graph_query.png' border='0' alt='CSV Export' title='CSV Export' style='padding: 3px;'></a><br>
++ <a href='#page_top'><img src='<?php print $config['url_path']; ?>images/graph_page_top.gif' border='0' alt='Page Top' title='Page Top' style='padding: 3px;'></a><br>
++ <?php do_hook('graph_buttons', array('hook' => 'graphs', 'local_graph_id' => $graph['local_graph_id'], 'rra' => 0, 'view_type' => '')); ?>
+ </td>
+ </tr>
+ </table>
+@@ -130,6 +132,7 @@
+ @arg $extra_url_args - extra arguments to append to the url
+ @arg $header - html to use as a header */
+ function html_graph_thumbnail_area(&$graph_array, $no_graphs_message = "", $extra_url_args = "", $header = "") {
++ global $config;
+ $i = 0; $k = 0;
+ if (sizeof($graph_array) > 0) {
+ if ($header != "") {
+@@ -144,12 +147,12 @@
+ <table width='1' cellpadding='0'>
+ <tr>
+ <td>
+- <a href='graph.php?action=view&rra_id=all&local_graph_id=<?php print $graph["local_graph_id"];?>'><img class='graphimage' id='graph_<?php print $graph["local_graph_id"] ?>' src='graph_image.php?local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=0&graph_height=<?php print read_graph_config_option("default_height");?>&graph_width=<?php print read_graph_config_option("default_width");?>&graph_nolegend=true<?php print (($extra_url_args == "") ? "" : "&$extra_url_args");?>' border='0' alt='<?php print $graph["title_cache"];?>'></a>
++ <a href='<?php print $config['url_path']; ?>graph.php?action=view&rra_id=all&local_graph_id=<?php print $graph["local_graph_id"];?>'><img class='graphimage' id='graph_<?php print $graph["local_graph_id"] ?>' src='<?php print $config['url_path']; ?>graph_image.php?local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=0&graph_height=<?php print read_graph_config_option("default_height");?>&graph_width=<?php print read_graph_config_option("default_width");?>&graph_nolegend=true<?php print (($extra_url_args == "") ? "" : "&$extra_url_args");?>' border='0' alt='<?php print $graph["title_cache"];?>'></a>
+ </td>
+ <td valign='top' style='padding: 3px;'>
+- <a href='graph.php?action=zoom&local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=0&<?php print $extra_url_args;?>'><img src='images/graph_zoom.gif' border='0' alt='Zoom Graph' title='Zoom Graph' style='padding: 3px;'></a><br>
+- <a href='graph_xport.php?local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=0&<?php print $extra_url_args;?>'><img src='images/graph_query.png' border='0' alt='CSV Export' title='CSV Export' style='padding: 3px;'></a><br>
+- <a href='#page_top'><img src='images/graph_page_top.gif' border='0' alt='Page Top' title='Page Top' style='padding: 3px;'></a><br>
++ <a href='<?php print $config['url_path']; ?>graph.php?action=zoom&local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=0&<?php print $extra_url_args;?>'><img src='<?php print $config['url_path']; ?>images/graph_zoom.gif' border='0' alt='Zoom Graph' title='Zoom Graph' style='padding: 3px;'></a><br>
++ <a href='<?php print $config['url_path']; ?>graph_xport.php?local_graph_id=<?php print $graph["local_graph_id"];?>&rra_id=0&<?php print $extra_url_args;?>'><img src='<?php print $config['url_path']; ?>images/graph_query.png' border='0' alt='CSV Export' title='CSV Export' style='padding: 3px;'></a><br>
++ <a href='#page_top'><img src='<?php print $config['url_path']; ?>images/graph_page_top.gif' border='0' alt='Page Top' title='Page Top' style='padding: 3px;'></a><br>
+ </td>
+ </tr>
+ </table>
+@@ -532,6 +535,8 @@
+ }
+
+ while (list($item_sub_url, $item_sub_title) = each($item_title)) {
++ $item_sub_url = $config['url_path'] . $item_sub_url;
++
+ /* indent sub-items */
+ if ($i > 0) {
+ $prepend_string = "--- ";
+@@ -541,7 +546,7 @@
+
+ /* do not put a line between each sub-item */
+ if (($i == 0) || ($draw_sub_items == false)) {
+- $background = "images/menu_line.gif";
++ $background = $config['url_path'] . "images/menu_line.gif";
+ }else{
+ $background = "";
+ }
+@@ -570,17 +575,18 @@
+ }else{
+ if ((isset($user_realms[$current_realm_id])) || (!isset($user_auth_realm_filenames{basename($item_url)}))) {
+ /* draw normal (non sub-item) menu item */
++ $item_url = $config['url_path'] . $item_url;
+ if (basename($_SERVER["PHP_SELF"]) == basename($item_url)) {
+- print "<tr><td class='textMenuItemSelected' background='images/menu_line.gif'><strong><a href='$item_url'>$item_title</a></strong></td></tr>\n";
++ print "<tr><td class='textMenuItemSelected' background='" . $config['url_path'] . "images/menu_line.gif'><strong><a href='$item_url'>$item_title</a></strong></td></tr>\n";
+ }else{
+- print "<tr><td class='textMenuItem' background='images/menu_line.gif'><a href='$item_url'>$item_title</a></td></tr>\n";
++ print "<tr><td class='textMenuItem' background='" . $config['url_path'] . "images/menu_line.gif'><a href='$item_url'>$item_title</a></td></tr>\n";
+ }
+ }
+ }
+ }
+ }
+
+- print "<tr><td class='textMenuItem' background='images/menu_line.gif'></td></tr>\n";
++ print "<tr><td class='textMenuItem' background='" . $config['url_path'] . "images/menu_line.gif'></td></tr>\n";
+
+ print "</table></td></tr>";
+ }
+@@ -590,18 +596,19 @@
+ @arg $actions_array - an array that contains a list of possible actions. this array should
+ be compatible with the form_dropdown() function */
+ function draw_actions_dropdown($actions_array) {
++ global $config;
+ ?>
+ <table align='center' width='100%'>
+ <tr>
+ <td width='1' valign='top'>
+- <img src='images/arrow.gif' alt='' align='absmiddle'>
++ <img src='<?php echo $config['url_path']; ?>images/arrow.gif' alt='' align='absmiddle'>
+ </td>
+ <td align='right'>
+ Choose an action:
+ <?php form_dropdown("drp_action",$actions_array,"","","1","","");?>
+ </td>
+ <td width='1' align='right'>
+- <input type='image' src='images/button_go.gif' alt='Go'>
++ <input type='image' src='<?php echo $config['url_path']; ?>images/button_go.gif' alt='Go'>
+ </td>
+ </tr>
+ </table>
+diff -Nuar cacti-0.8.7a-old/lib/html_tree.php cacti-0.8.7a/lib/html_tree.php
+--- cacti-0.8.7a-old/lib/html_tree.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/lib/html_tree.php 2007-11-18 09:38:26.000000000 -0600
+@@ -890,7 +890,7 @@
+ if (read_graph_config_option("thumbnail_section_tree_1") == "on") {
+ if (read_graph_config_option("timespan_sel") == "on") {
+ print "<td><a href='graph.php?local_graph_id=$local_graph_id&rra_id=all'><img align='middle' alt='$graph_title' class='graphimage' id='graph_$local_graph_id'
+- src='graph_image.php?local_graph_id=$local_graph_id&rra_id=0&graph_start=" . get_current_graph_start() . "&graph_end=" . get_current_graph_end() . '&graph_height=' .
++ src='graph_image.php?action=view&local_graph_id=$local_graph_id&rra_id=0&graph_start=" . get_current_graph_start() . "&graph_end=" . get_current_graph_end() . '&graph_height=' .
+ read_graph_config_option("default_height") . '&graph_width=' . read_graph_config_option("default_width") . "&graph_nolegend=true' border='0'></a></td>\n";
+
+ /* if we are at the end of a row, start a new one */
+@@ -899,7 +899,7 @@
+ }
+ }else{
+ print "<td><a href='graph.php?local_graph_id=$local_graph_id&rra_id=all'><img align='middle' alt='$graph_title' class='graphimage' id='graph_$local_graph_id'
+- src='graph_image.php?local_graph_id=$local_graph_id&rra_id=$rra_id&graph_start=" . -(db_fetch_cell("select timespan from rra where id=$rra_id")) . '&graph_height=' .
++ src='graph_image.php?action=view&local_graph_id=$local_graph_id&rra_id=$rra_id&graph_start=" . -(db_fetch_cell("select timespan from rra where id=$rra_id")) . '&graph_height=' .
+ read_graph_config_option("default_height") . '&graph_width=' . read_graph_config_option("default_width") . "&graph_nolegend=true' border='0'></a></td>\n";
+
+ /* if we are at the end of a row, start a new one */
+@@ -909,10 +909,10 @@
+ }
+ }else{
+ if (read_graph_config_option("timespan_sel") == "on") {
+- print "<td><a href='graph.php?local_graph_id=$local_graph_id&rra_id=all'><img class='graphimage' id='graph_$local_graph_id' src='graph_image.php?local_graph_id=$local_graph_id&rra_id=0&graph_start=" . get_current_graph_start() . "&graph_end=" . get_current_graph_end() . "' border='0' alt='$graph_title'></a></td>";
++ print "<td><a href='graph.php?local_graph_id=$local_graph_id&rra_id=all'><img class='graphimage' id='graph_$local_graph_id' src='graph_image.php?action=view&local_graph_id=$local_graph_id&rra_id=0&graph_start=" . get_current_graph_start() . "&graph_end=" . get_current_graph_end() . "' border='0' alt='$graph_title'></a></td>";
+ print "</tr><tr>\n";
+ }else{
+- print "<td><a href='graph.php?local_graph_id=$local_graph_id&rra_id=all'><img class='graphimage' id='graph_$local_graph_id' src='graph_image.php?local_graph_id=$local_graph_id&rra_id=$rra_id' border='0' alt='$graph_title'></a></td>";
++ print "<td><a href='graph.php?local_graph_id=$local_graph_id&rra_id=all'><img class='graphimage' id='graph_$local_graph_id' src='graph_image.php?action=view&local_graph_id=$local_graph_id&rra_id=$rra_id' border='0' alt='$graph_title'></a></td>";
+ print "</tr><tr>\n";
+ }
+ }
+diff -Nuar cacti-0.8.7a-old/lib/poller.php cacti-0.8.7a/lib/poller.php
+--- cacti-0.8.7a-old/lib/poller.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/lib/poller.php 2007-11-18 09:38:26.000000000 -0600
+@@ -320,8 +320,11 @@
+ }
+ }
+ }
++ do_hook_function('poller_output', $rrd_update_array);
+
+- $rrds_processed = rrdtool_function_update($rrd_update_array, $rrdtool_pipe);
++ if (do_hook_function('poller_on_demand', $results)) {
++ $rrds_processed = rrdtool_function_update($rrd_update_array, $rrdtool_pipe);
++ }
+ }
+
+ return $rrds_processed;
+diff -Nuar cacti-0.8.7a-old/lib/rrd.php cacti-0.8.7a/lib/rrd.php
+--- cacti-0.8.7a-old/lib/rrd.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/lib/rrd.php 2007-11-18 09:38:26.000000000 -0600
+@@ -484,6 +484,10 @@
+ }
+ }
+
++ $data = do_hook_function('rrdtool_function_graph_cache_check', array('local_graph_id' => $local_graph_id,'rra_id' => $rra_id,'rrd_struc' => $rrd_struc,'graph_data_array' => $graph_data_array, 'return' => false));
++ if (isset($data['return']) && $data['return'] != false)
++ return $data['return'];
++
+ /* find the step and how often this graph is updated with new data */
+ $ds_step = db_fetch_cell("select
+ data_template_data.rrd_step
+@@ -1160,6 +1164,13 @@
+ }
+ }
+
++ $graph_array = do_hook_function('rrd_graph_graph_options', array('graph_opts' => $graph_opts, 'graph_defs' => $graph_defs, 'txt_graph_items' => $txt_graph_items, 'graph_id' => $local_graph_id, 'start' => $graph_start, 'end' => $graph_end));
++ if (!empty($graph_array)) {
++ $graph_defs = $graph_array['graph_defs'];
++ $txt_graph_items = $graph_array['txt_graph_items'];
++ $graph_opts = $graph_array['graph_opts'];
++ }
++
+ /* either print out the source or pass the source onto rrdtool to get us a nice PNG */
+ if (isset($graph_data_array["print_source"])) {
+ print "<PRE>" . read_config_option("path_rrdtool") . " graph $graph_opts$graph_defs$txt_graph_items</PRE>";
+@@ -1168,13 +1179,19 @@
+ rrdtool_execute("graph $graph_opts$graph_defs$txt_graph_items", false, RRDTOOL_OUTPUT_NULL, $rrd_struc);
+ return 0;
+ }else{
++ $graph_data_array = do_hook_function('prep_graph_array', $graph_data_array);
++
+ if (isset($graph_data_array["output_flag"])) {
+ $output_flag = $graph_data_array["output_flag"];
+ }else{
+ $output_flag = RRDTOOL_OUTPUT_GRAPH_DATA;
+ }
+
+- return rrdtool_execute("graph $graph_opts$graph_defs$txt_graph_items", false, $output_flag, $rrd_struc);
++ $output = rrdtool_execute("graph $graph_opts$graph_defs$txt_graph_items", false, $output_flag, $rrd_struc);
++
++ do_hook_function('rrdtool_function_graph_set_file', array('output' => $output, 'local_graph_id' => $local_graph_id, 'rra_id' => $rra_id));
++
++ return $output;
+ }
+ }
+ }
+diff -Nuar cacti-0.8.7a-old/lib/variables.php cacti-0.8.7a/lib/variables.php
+--- cacti-0.8.7a-old/lib/variables.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/lib/variables.php 2007-11-18 09:38:26.000000000 -0600
+@@ -181,6 +181,9 @@
+ $string = str_replace($l_escape_string . "host_snmp_timeout" . $r_escape_string, $_SESSION["sess_host_cache_array"][$host_id]["snmp_timeout"], $string);
+ $string = str_replace($l_escape_string . "host_id" . $r_escape_string, $_SESSION["sess_host_cache_array"][$host_id]["id"], $string);
+
++ $temp = do_hook_function('substitute_host_data', array('string' => $string, 'l_escape_string' => $l_escape_string, 'r_escape_string' => $r_escape_string, 'host_id' => $host_id));
++ $string = $temp['string'];
++
+ return $string;
+ }
+
+diff -Nuar cacti-0.8.7a-old/plugins/index.php cacti-0.8.7a/plugins/index.php
+--- cacti-0.8.7a-old/plugins/index.php 1969-12-31 17:00:00.000000000 -0700
++++ cacti-0.8.7a/plugins/index.php 2007-11-18 09:38:26.000000000 -0600
+@@ -0,0 +1,5 @@
++<?php
++
++header("Location:../index.php");
++
++?>
+diff -Nuar cacti-0.8.7a-old/poller.php cacti-0.8.7a/poller.php
+--- cacti-0.8.7a-old/poller.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/poller.php 2007-11-18 09:48:01.000000000 -0600
+@@ -73,6 +73,8 @@
+ }
+ }
+
++do_hook('poller_top');
++
+ /* record the start time */
+ list($micro,$seconds) = split(" ", microtime());
+ $poller_start = $seconds + $micro;
+@@ -231,6 +233,8 @@
+ $method = "cmd.php";
+ }
+
++ $extra_args = do_hook_function ('poller_command_args', $extra_args);
++
+ /* Populate each execution file with appropriate information */
+ foreach ($polling_hosts as $item) {
+ if ($host_count == 1) {
+@@ -402,9 +406,11 @@
+
+ /* sleep the appripriate amount of time */
+ if ($poller_runs_completed < $poller_runs) {
++ do_hook('poller_bottom');
+ db_close();
+ usleep($sleep_time * 1000000);
+ db_connect_real($database_hostname, $database_username, $database_password, $database_default, $database_type, $database_port);
++ do_hook('poller_top');
+ }
+ }else if (read_config_option('log_verbosity') >= POLLER_VERBOSITY_MEDIUM) {
+ cacti_log("WARNING: Cacti Polling Cycle Exceeded Poller Interval by " . $loop_end-$loop_start-$poller_interval . " seconds", TRUE, "POLLER");
+@@ -420,4 +426,6 @@
+ echo " --debug|-d Output debug information. Similar to cacti's DEBUG logging level.\n\n";
+ }
+
++do_hook('poller_bottom');
++
+ ?>
+diff -Nuar cacti-0.8.7a-old/user_admin.php cacti-0.8.7a/user_admin.php
+--- cacti-0.8.7a-old/user_admin.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/user_admin.php 2007-11-18 09:38:26.000000000 -0600
+@@ -72,9 +72,11 @@
+ break;
+
+ default:
+- include_once("include/top_header.php");
+- user();
+- include_once("include/bottom_footer.php");
++ if (!do_hook_function('user_admin_action', get_request_var_request("action"))) {
++ include_once("include/top_header.php");
++ user();
++ include_once("include/bottom_footer.php");
++ }
+ break;
+ }
+
+@@ -407,6 +409,7 @@
+ $save["policy_graph_templates"] = form_input_validate(get_request_var_post("policy_graph_templates", get_request_var_post("_policy_graph_templates")), "policy_graph_templates", "", true, 3);
+ $save["realm"] = get_request_var_post("realm", 0);
+ $save["enabled"] = form_input_validate(get_request_var_post("enabled", ""), "enabled", "", true, 3);
++ $save = do_hook_function('user_admin_setup_sql_save', $save);
+
+ if (!is_error_message()) {
+ $user_id = sql_save($save, "user_auth");
+@@ -449,6 +452,8 @@
+ policy_hosts = " . get_request_var_post("policy_hosts") . ",
+ policy_graph_templates = " . get_request_var_post("policy_graph_templates") . "
+ WHERE id = " . get_request_var_post("id"));
++ } else {
++ do_hook('user_admin_user_save');
+ }
+ }
+ }
+@@ -899,6 +904,8 @@
+ $header_label = "[new]";
+ }
+
++ do_hook_function('user_admin_edit', (isset($user) ? get_request_var("id") : 0));
++
+ html_start_box("<strong>User Management</strong> $header_label", "100%", $colors["header"], "3", "center", "");
+
+ draw_edit_form(array(
+@@ -925,6 +932,7 @@
+ <td <?php print ((get_request_var("action") == "graph_settings_edit") ? "bgcolor='silver'" : "bgcolor='#DFDFDF'");?> nowrap='nowrap' width='130' align='center' class='tab'>
+ <span class='textHeader'><a href='user_admin.php?action=graph_settings_edit&id=<?php print $_GET["id"];?>'>Graph Settings</a></span>
+ </td>
++ <?php do_hook('user_admin_tab');?>
+ <td></td>
+ </tr>
+ </table>
+@@ -938,7 +946,9 @@
+ }elseif (get_request_var("action") == "graph_perms_edit") {
+ graph_perms_edit();
+ }else{
+- user_realms_edit();
++ if (do_hook_function('user_admin_run_action', get_request_var_request("action"))) {
++ user_realms_edit();
++ }
+ }
+
+ form_save_button("user_admin.php");
+diff -Nuar cacti-0.8.7a-old/utilities.php cacti-0.8.7a/utilities.php
+--- cacti-0.8.7a-old/utilities.php 2007-11-17 12:11:52.000000000 -0600
++++ cacti-0.8.7a/utilities.php 2007-11-18 09:38:26.000000000 -0600
+@@ -129,11 +129,14 @@
+ include_once("./include/bottom_footer.php");
+ break;
+ default:
+- include_once("./include/top_header.php");
+
+- utilities();
++ if (!do_hook_function('utilities_action', $_REQUEST['action'])) {
++ include_once('./include/top_header.php');
+
+- include_once("./include/bottom_footer.php");
++ utilities();
++
++ include_once('./include/bottom_footer.php');
++ }
+ break;
+ }
+
+@@ -1320,6 +1323,8 @@
+
+ <?php
+
++ do_hook('utilities_list');
++
+ html_end_box();
+ }
+