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data_input.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");

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

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

            break;
      case 'field_remove':
            field_remove();

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

            field_edit();

            include_once("./include/bottom_footer.php");
            break;
      case 'remove':
            data_remove();

            header("Location: data_input.php");
            break;
      case 'edit':
            include_once("./include/top_header.php");

            data_edit();

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

            data();

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

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

function form_save() {
      global $registered_cacti_names;

      if (isset($_POST["save_component_data_input"])) {
            /* ================= input validation ================= */
            input_validate_input_number(get_request_var_post("id"));
            /* ==================================================== */

            $save["id"] = $_POST["id"];
            $save["hash"] = get_hash_data_input($_POST["id"]);
            $save["name"] = form_input_validate($_POST["name"], "name", "", false, 3);
            $save["input_string"] = form_input_validate($_POST["input_string"], "input_string", "", true, 3);
            $save["type_id"] = form_input_validate($_POST["type_id"], "type_id", "", true, 3);

            if (!is_error_message()) {
                  $data_input_id = sql_save($save, "data_input");

                  if ($data_input_id) {
                        raise_message(1);

                        /* get a list of each field so we can note their sequence of occurance in the database */
                        if (!empty($_POST["id"])) {
                              db_execute("update data_input_fields set sequence=0 where data_input_id=" . $_POST["id"]);

                              generate_data_input_field_sequences($_POST["input_string"], $_POST["id"], "in");
                        }
                  }else{
                        raise_message(2);
                  }
            }

            if ((is_error_message()) || (empty($_POST["id"]))) {
                  header("Location: data_input.php?action=edit&id=" . (empty($data_input_id) ? $_POST["id"] : $data_input_id));
            }else{
                  header("Location: data_input.php");
            }
      }elseif (isset($_POST["save_component_field"])) {
            /* ================= input validation ================= */
            input_validate_input_number(get_request_var_post("id"));
            input_validate_input_number(get_request_var_post("data_input_id"));
            input_validate_input_regex(get_request_var_post("input_output"), "^(in|out)$");
            /* ==================================================== */

            $save["id"] = $_POST["id"];
            $save["hash"] = get_hash_data_input($_POST["id"], "data_input_field");
            $save["data_input_id"] = $_POST["data_input_id"];
            $save["name"] = form_input_validate($_POST["name"], "name", "", false, 3);
            $save["data_name"] = form_input_validate($_POST["data_name"], "data_name", "", false, 3);
            $save["input_output"] = $_POST["input_output"];
            $save["update_rra"] = form_input_validate((isset($_POST["update_rra"]) ? $_POST["update_rra"] : ""), "update_rra", "", true, 3);
            $save["sequence"] = $_POST["sequence"];
            $save["type_code"] = form_input_validate((isset($_POST["type_code"]) ? $_POST["type_code"] : ""), "type_code", "", true, 3);
            $save["regexp_match"] = form_input_validate((isset($_POST["regexp_match"]) ? $_POST["regexp_match"] : ""), "regexp_match", "", true, 3);
            $save["allow_nulls"] = form_input_validate((isset($_POST["allow_nulls"]) ? $_POST["allow_nulls"] : ""), "allow_nulls", "", true, 3);

            if (!is_error_message()) {
                  $data_input_field_id = sql_save($save, "data_input_fields");

                  if ($data_input_field_id) {
                        raise_message(1);

                        if (!empty($data_input_field_id)) {
                              generate_data_input_field_sequences(db_fetch_cell("select " . $_POST["input_output"] . "put_string from data_input where id=" . $_POST["data_input_id"]), $_POST["data_input_id"], $_POST["input_output"]);
                        }
                  }else{
                        raise_message(2);
                  }
            }

            if (is_error_message()) {
                  header("Location: data_input.php?action=field_edit&data_input_id=" . $_POST["data_input_id"] . "&id=" . (empty($data_input_field_id) ? $_POST["id"] : $data_input_field_id) . (!empty($_POST["input_output"]) ? "&type=" . $_POST["input_output"] : ""));
            }else{
                  header("Location: data_input.php?action=edit&id=" . $_POST["data_input_id"]);
            }
      }
}

/* --------------------------
    CDEF Item Functions
   -------------------------- */

function field_remove() {
      global $registered_cacti_names;

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

      if ((read_config_option("remove_verification") == "on") && (!isset($_GET["confirm"]))) {
            include("./include/top_header.php");
            form_confirm("Are You Sure?", "Are you sure you want to delete the field <strong>'" . db_fetch_cell("select name from data_input_fields where id=" . $_GET["id"]) . "'</strong>?", "data_input.php?action=edit&id=" . $_GET["data_input_id"], "data_input.php?action=field_remove&id=" . $_GET["id"] . "&data_input_id=" . $_GET["data_input_id"]);
            include("./include/bottom_footer.php");
            exit;
      }

      if ((read_config_option("remove_verification") == "") || (isset($_GET["confirm"]))) {
            /* get information about the field we're going to delete so we can re-order the seqs */
            $field = db_fetch_row("select input_output,data_input_id from data_input_fields where id=" . $_GET["id"]);

            db_execute("delete from data_input_fields where id=" . $_GET["id"]);
            db_execute("delete from data_input_data where data_input_field_id=" . $_GET["id"]);

            /* when a field is deleted; we need to re-order the field sequences */
            if (preg_match_all("/<([_a-zA-Z0-9]+)>/", db_fetch_cell("select " . $field["input_output"] . "put_string from data_input where id=" . $field["data_input_id"]), $matches)) {
                  $j = 0;
                  for ($i=0; ($i < count($matches[1])); $i++) {
                        if (in_array($matches[1][$i], $registered_cacti_names) == false) {
                              $j++; db_execute("update data_input_fields set sequence=$j where data_input_id=" . $field["data_input_id"] . " and input_output='" .  $field["input_output"]. "' and data_name='" . $matches[1][$i] . "'");
                        }
                  }
            }
      }
}

function field_edit() {
      global $colors, $registered_cacti_names, $fields_data_input_field_edit_1, $fields_data_input_field_edit_2, $fields_data_input_field_edit;

      /* ================= input validation ================= */
      input_validate_input_number(get_request_var("id"));
      input_validate_input_number(get_request_var("data_input_id"));
      input_validate_input_regex(get_request_var("type"), "^(in|out)$");
      /* ==================================================== */

      if (!empty($_GET["id"])) {
            $field = db_fetch_row("select * from data_input_fields where id=" . $_GET["id"]);
      }

      if (!empty($_GET["type"])) {
            $current_field_type = $_GET["type"];
      }else{
            $current_field_type = $field["input_output"];
      }

      if ($current_field_type == "out") {
            $header_name = "Output";
      }elseif ($current_field_type == "in") {
            $header_name = "Input";
      }

      $data_input = db_fetch_row("select type_id,name from data_input where id=" . $_GET["data_input_id"]);

      /* obtain a list of available fields for this given field type (input/output) */
      if (preg_match_all("/<([_a-zA-Z0-9]+)>/", db_fetch_cell("select $current_field_type" . "put_string from data_input where id=" . ($_GET["data_input_id"] ? $_GET["data_input_id"] : $field["data_input_id"])), $matches)) {
            for ($i=0; ($i < count($matches[1])); $i++) {
                  if (in_array($matches[1][$i], $registered_cacti_names) == false) {
                        $current_field_name = $matches[1][$i];
                        $array_field_names[$current_field_name] = $current_field_name;
                  }
            }
      }

      /* if there are no input fields to choose from, complain */
      if ((!isset($array_field_names)) && (isset($_GET["type"]) ? $_GET["type"] == "in" : false) && ($data_input["type_id"] == "1")) {
            display_custom_error_message("This script appears to have no input values, therefore there is nothing to add.");
            return;
      }

      html_start_box("<strong>$header_name Fields</strong> [edit: " . $data_input["name"] . "]", "98%", $colors["header"], "3", "center", "");

      $form_array = array();

      /* field name */
      if ((($data_input["type_id"] == "1") || ($data_input["type_id"] == "5")) && ($current_field_type == "in")) { /* script */
            $form_array = inject_form_variables($fields_data_input_field_edit_1, $header_name, $array_field_names, (isset($field) ? $field : array()));
      }elseif (($data_input["type_id"] == "2") ||
                  ($data_input["type_id"] == "3") ||
                  ($data_input["type_id"] == "4") ||
                  ($data_input["type_id"] == "6") ||
                  ($data_input["type_id"] == "7") ||
                  ($data_input["type_id"] == "8") ||
                  ($current_field_type == "out")) { /* snmp */
            $form_array = inject_form_variables($fields_data_input_field_edit_2, $header_name, (isset($field) ? $field : array()));
      }

      /* ONLY if the field is an input */
      if ($current_field_type == "in") {
            unset($fields_data_input_field_edit["update_rra"]);
      }elseif ($current_field_type == "out") {
            unset($fields_data_input_field_edit["regexp_match"]);
            unset($fields_data_input_field_edit["allow_nulls"]);
            unset($fields_data_input_field_edit["type_code"]);
      }

      draw_edit_form(array(
            "config" => array(),
            "fields" => $form_array + inject_form_variables($fields_data_input_field_edit, (isset($field) ? $field : array()), $current_field_type, $_GET)
            ));

      html_end_box();

      form_save_button("data_input.php?action=edit&id=" . $_GET["data_input_id"]);
}

/* -----------------------
    Data Input Functions
   ----------------------- */

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

      if ((read_config_option("remove_verification") == "on") && (!isset($_GET["confirm"]))) {
            include("./include/top_header.php");
            form_confirm("Are You Sure?", "Are you sure you want to delete the data input method <strong>'" . db_fetch_cell("select name from data_input where id=" . $_GET["id"]) . "'</strong>?", "data_input.php", "data_input.php?action=remove&id=" . $_GET["id"]);
            include("./include/bottom_footer.php");
            exit;
      }

      if ((read_config_option("remove_verification") == "") || (isset($_GET["confirm"]))) {
            db_execute("delete from data_input where id=" . $_GET["id"]);
            db_execute("delete from data_input_fields where data_input_id=" . $_GET["id"]);
            db_execute("delete from data_input_data where data_input_id=" . $_GET["id"]);
      }
}

function data_edit() {
      global $colors, $fields_data_input_edit;

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

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

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

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

      html_end_box();

      if (!empty($_GET["id"])) {
            html_start_box("<strong>Input Fields</strong>", "98%", $colors["header"], "3", "center", "data_input.php?action=field_edit&type=in&data_input_id=" . $_GET["id"]);
            print "<tr bgcolor='#" . $colors["header_panel"] . "'>";
                  DrawMatrixHeaderItem("Name",$colors["header_text"],1);
                  DrawMatrixHeaderItem("Field Order",$colors["header_text"],1);
                  DrawMatrixHeaderItem("Friendly Name",$colors["header_text"],2);
            print "</tr>";

            $fields = db_fetch_assoc("select id,data_name,name,sequence from data_input_fields where data_input_id=" . $_GET["id"] . " and input_output='in' order by sequence");

            $i = 0;
            if (sizeof($fields) > 0) {
            foreach ($fields as $field) {
                  form_alternate_row_color($colors["alternate"],$colors["light"],$i); $i++;
                        ?>
                        <td>
                              <a class="linkEditMain" href="data_input.php?action=field_edit&id=<?php print $field["id"];?>&data_input_id=<?php print $_GET["id"];?>"><?php print $field["data_name"];?></a>
                        </td>
                        <td>
                              <?php print $field["sequence"]; if ($field["sequence"] == "0") { print " (Not In Use)"; }?>
                        </td>
                        <td>
                              <?php print $field["name"];?>
                        </td>
                        <td align="right">
                              <a href="data_input.php?action=field_remove&id=<?php print $field["id"];?>&data_input_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 Input Fields</em></td></tr>";
            }
            html_end_box();

            html_start_box("<strong>Output Fields</strong>", "98%", $colors["header"], "3", "center", "data_input.php?action=field_edit&type=out&data_input_id=" . $_GET["id"]);
            print "<tr bgcolor='#" . $colors["header_panel"] . "'>";
                  DrawMatrixHeaderItem("Name",$colors["header_text"],1);
                  DrawMatrixHeaderItem("Field Order",$colors["header_text"],1);
                  DrawMatrixHeaderItem("Friendly Name",$colors["header_text"],1);
                  DrawMatrixHeaderItem("Update RRA",$colors["header_text"],2);
            print "</tr>";

            $fields = db_fetch_assoc("select id,name,data_name,update_rra,sequence from data_input_fields where data_input_id=" . $_GET["id"] . " and input_output='out' order by sequence");

            $i = 0;
            if (sizeof($fields) > 0) {
            foreach ($fields as $field) {
                  form_alternate_row_color($colors["alternate"],$colors["light"],$i); $i++;
                        ?>
                        <td>
                              <a class="linkEditMain" href="data_input.php?action=field_edit&id=<?php print $field["id"];?>&data_input_id=<?php print $_GET["id"];?>"><?php print $field["data_name"];?></a>
                        </td>
                        <td>
                              <?php print $field["sequence"]; if ($field["sequence"] == "0") { print " (Not In Use)"; }?>
                        </td>
                        <td>
                              <?php print $field["name"];?>
                        </td>
                        <td>
                              <?php print html_boolean_friendly($field["update_rra"]);?>
                        </td>
                        <td align="right">
                              <a href="data_input.php?action=field_remove&id=<?php print $field["id"];?>&data_input_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 Output Fields</em></td></tr>";
            }
            html_end_box();
      }

      form_save_button("data_input.php");
}

function data() {
      global $colors, $input_types;

      html_start_box("<strong>Data Input Methods</strong>", "98%", $colors["header"], "3", "center", "data_input.php?action=edit");

      print "<tr bgcolor='#" . $colors["header_panel"] . "'>";
            DrawMatrixHeaderItem("Name",$colors["header_text"],1);
            DrawMatrixHeaderItem("Data Input Method",$colors["header_text"],1);
            DrawMatrixHeaderItem("&nbsp;",$colors["header_text"],1);
      print "</tr>";

      $data_inputs = db_fetch_assoc("select * from data_input order by name");

      $i = 0;
      if (sizeof($data_inputs) > 0) {
      foreach ($data_inputs as $data_input) {
            form_alternate_row_color($colors["alternate"],$colors["light"],$i); $i++;
                  ?>
                  <td>
                        <a class="linkEditMain" href="data_input.php?action=edit&id=<?php print $data_input["id"];?>"><?php print $data_input["name"];?></a>
                  </td>
                  <td>
                        <?php print $input_types{$data_input["type_id"]};?>
                  </td>
                  <td align="right">
                        <a href="data_input.php?action=remove&id=<?php print $data_input["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 Data Input Methods</em></td></tr>";
      }
      html_end_box();
}
?>

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