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host_templates.php

<?php
/*
 +-------------------------------------------------------------------------+
 | Copyright (C) 2004 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("./lib/utility.php");

$host_actions = array(
      1 => "Delete",
      2 => "Duplicate"
      );

/* set default action */
if (!isset($_REQUEST["action"])) { $_REQUEST["action"] = ""; }

switch ($_REQUEST["action"]) {
      case 'save':
            form_save();

            break;
      case 'actions':
            form_actions();

            break;
      case 'item_remove_gt':
            template_item_remove_gt();

            header("Location: host_templates.php?action=edit&id=" . $_GET["host_template_id"]);
            break;
      case 'item_remove_dq':
            template_item_remove_dq();

            header("Location: host_templates.php?action=edit&id=" . $_GET["host_template_id"]);
            break;
      case 'edit':
            include_once("./include/top_header.php");

            template_edit();

            include_once("./include/bottom_footer.php");
            break;
      default:
            include_once("./include/top_header.php");

            template();

            include_once("./include/bottom_footer.php");
            break;
}

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

function form_save() {
      if (isset($_POST["save_component_template"])) {
            $redirect_back = false;

            $save["id"] = $_POST["id"];
            $save["hash"] = get_hash_host_template($_POST["id"]);
            $save["name"] = form_input_validate($_POST["name"], "name", "", false, 3);

            if (!is_error_message()) {
                  $host_template_id = sql_save($save, "host_template");

                  if ($host_template_id) {
                        raise_message(1);

                        if (isset($_POST["add_gt_x"])) {
                              db_execute("replace into host_template_graph (host_template_id,graph_template_id) values($host_template_id," . $_POST["graph_template_id"] . ")");
                              $redirect_back = true;
                        }elseif (isset($_POST["add_dq_x"])) {
                              db_execute("replace into host_template_snmp_query (host_template_id,snmp_query_id) values($host_template_id," . $_POST["snmp_query_id"] . ")");
                              $redirect_back = true;
                        }
                  }else{
                        raise_message(2);
                  }
            }

            if ((is_error_message()) || (empty($_POST["id"])) || ($redirect_back == true)) {
                  header("Location: host_templates.php?action=edit&id=" . (empty($host_template_id) ? $_POST["id"] : $host_template_id));
            }else{
                  header("Location: host_templates.php");
            }
      }
}

/* ------------------------
    The "actions" function
   ------------------------ */

function form_actions() {
      global $colors, $host_actions;

      /* if we are to save this form, instead of display it */
      if (isset($_POST["selected_items"])) {
            $selected_items = unserialize(stripslashes($_POST["selected_items"]));

            if ($_POST["drp_action"] == "1") { /* delete */
                  db_execute("delete from host_template where " . array_to_sql_or($selected_items, "id"));
                  db_execute("delete from host_template_snmp_query where " . array_to_sql_or($selected_items, "host_template_id"));
                  db_execute("delete from host_template_graph where " . array_to_sql_or($selected_items, "host_template_id"));

                  /* "undo" any device that is currently using this template */
                  db_execute("update host set host_template_id=0 where " . array_to_sql_or($selected_items, "host_template_id"));
            }elseif ($_POST["drp_action"] == "2") { /* duplicate */
                  for ($i=0;($i<count($selected_items));$i++) {
                        /* ================= input validation ================= */
                        input_validate_input_number($selected_items[$i]);
                        /* ==================================================== */

                        duplicate_host_template($selected_items[$i], $_POST["title_format"]);
                  }
            }

            header("Location: host_templates.php");
            exit;
      }

      /* setup some variables */
      $host_list = ""; $i = 0;

      /* loop through each of the host templates selected on the previous page and get more info about them */
      while (list($var,$val) = each($_POST)) {
            if (ereg("^chk_([0-9]+)$", $var, $matches)) {
                  /* ================= input validation ================= */
                  input_validate_input_number($matches[1]);
                  /* ==================================================== */

                  $host_list .= "<li>" . db_fetch_cell("select name from host_template where id=" . $matches[1]) . "<br>";
                  $host_array[$i] = $matches[1];
            }

            $i++;
      }

      include_once("./include/top_header.php");

      html_start_box("<strong>" . $host_actions{$_POST["drp_action"]} . "</strong>", "60%", $colors["header_panel"], "3", "center", "");

      print "<form action='host_templates.php' method='post'>\n";

      if ($_POST["drp_action"] == "1") { /* delete */
            print "     <tr>
                        <td class='textArea' bgcolor='#" . $colors["form_alternate1"]. "'>
                              <p>Are you sure you want to delete the following host templates? All devices currently attached
                              this these host templates will lose their template assocation.</p>
                              <p>$host_list</p>
                        </td>
                  </tr>\n
                  ";
      }elseif ($_POST["drp_action"] == "2") { /* duplicate */
            print "     <tr>
                        <td class='textArea' bgcolor='#" . $colors["form_alternate1"]. "'>
                              <p>When you click save, the following host templates will be duplicated. You can
                              optionally change the title format for the new host templates.</p>
                              <p>$host_list</p>
                              <p><strong>Title Format:</strong><br>"; form_text_box("title_format", "<template_title> (1)", "", "255", "30", "text"); print "</p>
                        </td>
                  </tr>\n
                  ";
      }

      if (!isset($host_array)) {
            print "<tr><td bgcolor='#" . $colors["form_alternate1"]. "'><span class='textError'>You must select at least one host template.</span></td></tr>\n";
            $save_html = "";
      }else{
            $save_html = "<input type='image' src='images/button_yes.gif' alt='Save' align='absmiddle'>";
      }

      print "     <tr>
                  <td align='right' bgcolor='#eaeaea'>
                        <input type='hidden' name='action' value='actions'>
                        <input type='hidden' name='selected_items' value='" . (isset($host_array) ? serialize($host_array) : '') . "'>
                        <input type='hidden' name='drp_action' value='" . $_POST["drp_action"] . "'>
                        <a href='host_templates.php'><img src='images/button_no.gif' alt='Cancel' align='absmiddle' border='0'></a>
                        $save_html
                  </td>
            </tr>
            ";

      html_end_box();

      include_once("./include/bottom_footer.php");
}

/* ---------------------
    Template Functions
   --------------------- */

function template_item_remove_gt() {
      /* ================= input validation ================= */
      input_validate_input_number(get_request_var("id"));
      input_validate_input_number(get_request_var("host_template_id"));
      /* ==================================================== */

      db_execute("delete from host_template_graph where graph_template_id=" . $_GET["id"] . " and host_template_id=" . $_GET["host_template_id"]);
}

function template_item_remove_dq() {
      /* ================= input validation ================= */
      input_validate_input_number(get_request_var("id"));
      input_validate_input_number(get_request_var("host_template_id"));
      /* ==================================================== */

      db_execute("delete from host_template_snmp_query where snmp_query_id=" . $_GET["id"] . " and host_template_id=" . $_GET["host_template_id"]);
}

function template_edit() {
      global $colors, $fields_host_template_edit;

      /* ================= input validation ================= */
      input_validate_input_number(get_request_var("id"));
      /* ==================================================== */

      display_output_messages();

      if (!empty($_GET["id"])) {
            $host_template = db_fetch_row("select * from host_template where id=" . $_GET["id"]);
            $header_label = "[edit: " . $host_template["name"] . "]";
      }else{
            $header_label = "[new]";
            $_GET["id"] = 0;
      }

      html_start_box("<strong>Host Templates</strong> $header_label", "98%", $colors["header"], "3", "center", "");

      draw_edit_form(array(
            "config" => array(),
            "fields" => inject_form_variables($fields_host_template_edit, (isset($host_template) ? $host_template : array()))
            ));

      html_end_box();

      if (!empty($_GET["id"])) {
            html_start_box("<strong>Associated Graph Templates</strong>", "98%", $colors["header"], "3", "center", "");

            $selected_graph_templates = db_fetch_assoc("select
                  graph_templates.id,
                  graph_templates.name
                  from (graph_templates,host_template_graph)
                  where graph_templates.id=host_template_graph.graph_template_id
                  and host_template_graph.host_template_id=" . $_GET["id"] . "
                  order by graph_templates.name");

            $i = 0;
            if (sizeof($selected_graph_templates) > 0) {
            foreach ($selected_graph_templates as $item) {
                  $i++;
                  ?>
                  <tr>
                        <td style="padding: 4px;">
                              <strong><?php print $i;?>)</strong> <?php print $item["name"];?>
                        </td>
                        <td align="right">
                              <a href='host_templates.php?action=item_remove_gt&id=<?php print $item["id"];?>&host_template_id=<?php print $_GET["id"];?>'><img src='images/delete_icon.gif' width='10' height='10' border='0' alt='Delete'></a>
                        </td>
                  </tr>
                  <?php
            }
            }else{ print "<tr><td><em>No associated graph templates.</em></td></tr>"; }

            ?>
            <tr bgcolor="#<?php print $colors["form_alternate1"];?>">
                  <td colspan="2">
                        <table cellspacing="0" cellpadding="1" width="100%">
                              <td nowrap>Add Graph Template:&nbsp;
                                    <?php form_dropdown("graph_template_id",db_fetch_assoc("select
                                          graph_templates.id,
                                          graph_templates.name
                                          from graph_templates left join host_template_graph
                                          on (graph_templates.id=host_template_graph.graph_template_id and host_template_graph.host_template_id=" . $_GET["id"] . ")
                                          where host_template_graph.host_template_id is null
                                          order by graph_templates.name"),"name","id","","","");?>
                              </td>
                              <td align="right">
                                    &nbsp;<input type="image" src="images/button_add.gif" alt="Add" name="add_gt" align="absmiddle">
                              </td>
                        </table>
                  </td>
            </tr>

            <?php
            html_end_box();

            html_start_box("<strong>Associated Data Queries</strong>", "98%", $colors["header"], "3", "center", "");

            $selected_data_queries = db_fetch_assoc("select
                  snmp_query.id,
                  snmp_query.name
                  from (snmp_query,host_template_snmp_query)
                  where snmp_query.id=host_template_snmp_query.snmp_query_id
                  and host_template_snmp_query.host_template_id=" . $_GET["id"] . "
                  order by snmp_query.name");

            $i = 0;
            if (sizeof($selected_data_queries) > 0) {
            foreach ($selected_data_queries as $item) {
                  $i++;
                  ?>
                  <tr>
                        <td style="padding: 4px;">
                              <strong><?php print $i;?>)</strong> <?php print $item["name"];?>
                        </td>
                        <td align='right'>
                              <a href='host_templates.php?action=item_remove_dq&id=<?php print $item["id"];?>&host_template_id=<?php print $_GET["id"];?>'><img src='images/delete_icon.gif' width='10' height='10' border='0' alt='Delete'></a>
                        </td>
                  </tr>
                  <?php
            }
            }else{ print "<tr><td><em>No associated data queries.</em></td></tr>"; }

            ?>
            <tr bgcolor="#<?php print $colors["form_alternate1"];?>">
                  <td colspan="2">
                        <table cellspacing="0" cellpadding="1" width="100%">
                              <td nowrap>Add Data Query:&nbsp;
                                    <?php form_dropdown("snmp_query_id",db_fetch_assoc("select
                                          snmp_query.id,
                                          snmp_query.name
                                          from snmp_query left join host_template_snmp_query
                                          on (snmp_query.id=host_template_snmp_query.snmp_query_id and host_template_snmp_query.host_template_id=" . $_GET["id"] . ")
                                          where host_template_snmp_query.host_template_id is null
                                          order by snmp_query.name"),"name","id","","","");?>
                              </td>
                              <td align="right">
                                    &nbsp;<input type="image" src="images/button_add.gif" alt="Add" name="add_dq" align="absmiddle">
                              </td>
                        </table>
                  </td>
            </tr>

            <?php
            html_end_box();
      }

      form_save_button("host_templates.php");
}

function template() {
      global $colors, $host_actions;

      display_output_messages();

      html_start_box("<strong>Host Templates</strong>", "98%", $colors["header"], "3", "center", "host_templates.php?action=edit");

      html_header_checkbox(array("Template Title"));

      $host_templates = db_fetch_assoc("select * from host_template order by name");

      $i = 0;
      if (sizeof($host_templates) > 0) {
      foreach ($host_templates as $host_template) {
            form_alternate_row_color($colors["alternate"],$colors["light"],$i); $i++;
                  ?>
                  <td>
                        <a class="linkEditMain" href="host_templates.php?action=edit&id=<?php print $host_template["id"];?>"><?php print $host_template["name"];?></a>
                  </td>
                  <td style="<?php print get_checkbox_style();?>" width="1%" align="right">
                        <input type='checkbox' style='margin: 0px;' name='chk_<?php print $host_template["id"];?>' title="<?php print $host_template["name"];?>">
                  </td>
            </tr>
      <?php
      }
      }else{
            print "<tr><td><em>No Host Templates</em></td></tr>\n";
      }
      html_end_box(false);

      /* draw the dropdown containing a list of available actions for this form */
      draw_actions_dropdown($host_actions);

      print "</form>\n";
}
?>

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