$max_length) {
return substr($text, 0, $max_length) . "...";
}else{
return $text;
}
}
function read_graph_config_option($config_name) {
global $config;
include ($config["include_path"] . "/config_settings.php");
/* users must have cacti user auth turned on to use this */
if (read_config_option("global_auth") != "on") {
return $settings_graphs[$config_name]["default"];
}
if (isset($_SESSION["sess_graph_config_array"])) {
$graph_config_array = unserialize($_SESSION["sess_graph_config_array"]);
}
if (!isset($graph_config_array[$config_name])) {
$graph_config_array[$config_name] = db_fetch_cell("select value from settings_graphs where name='$config_name' and user_id=" . $_SESSION["sess_user_id"]);
if (empty($graph_config_array[$config_name])) {
$graph_config_array[$config_name] = $settings_graphs[$config_name]["default"];
}
$_SESSION["sess_graph_config_array"] = serialize($graph_config_array);
}
return $graph_config_array[$config_name];
}
function read_config_option($config_name) {
global $config;
include ($config["include_path"] . "/config_settings.php");
if (isset($_SESSION["sess_config_array"])) {
$config_array = unserialize($_SESSION["sess_config_array"]);
}
if (!isset($config_array[$config_name])) {
$config_array[$config_name] = db_fetch_cell("select value from settings where name='$config_name'");
if ((empty($config_array[$config_name])) && (isset($settings[$config_name]["default"]))) {
$config_array[$config_name] = $settings[$config_name]["default"];
}
$_SESSION["sess_config_array"] = serialize($config_array);
}
return $config_array[$config_name];
}
function form_input_validate($field_value, $field_name, $regexp_match, $allow_nulls, $custom_message = 3) {
/* write current values to the "field_values" array so we can retain them */
if (isset($_SESSION["sess_field_values"])) {
$array_field_names = unserialize($_SESSION["sess_field_values"]);
}
$array_field_names[$field_name] = $field_value;
$_SESSION["sess_field_values"] = serialize($array_field_names);
if (($allow_nulls == true) && ($field_value == "")) {
return $field_value;
}
/* php 4.2+ complains about empty regexps */
if (empty($regexp_match)) { $regexp_match = ".*"; }
if ((!ereg($regexp_match, $field_value) || (($allow_nulls == false) && ($field_value == "")))) {
raise_message($custom_message);
if (isset($_SESSION["sess_error_fields"])) {
$array_error_fields = unserialize($_SESSION["sess_error_fields"]);
}
$array_error_fields[$field_name] = $field_name;
$_SESSION["sess_error_fields"] = serialize($array_error_fields);
}else{
if (isset($_SESSION["sess_error_fields"])) {
$array_error_fields = unserialize($_SESSION["sess_error_fields"]);
}
$array_field_names[$field_name] = $field_value;
$_SESSION["sess_field_values"] = serialize($array_field_names);
}
return $field_value;
}
function is_error_message() {
global $config;
include($config["include_path"] . "/config_arrays.php");
if (isset($_SESSION["sess_messages"])) {
$array_messages = unserialize($_SESSION["sess_messages"]);
if (is_array($array_messages)) {
foreach (array_keys($array_messages) as $current_message_id) {
if ($messages[$current_message_id]["type"] == "error") { return true; }
}
}
}
return false;
}
function raise_message($message_id) {
if (isset($_SESSION["sess_messages"])) {
$array_messages = unserialize($_SESSION["sess_messages"]);
}
$array_messages[$message_id] = $message_id;
$_SESSION["sess_messages"] = serialize($array_messages);
}
function display_output_messages() {
global $config;
include($config["include_path"] . "/config_arrays.php");
include_once($config["include_path"] . "/form.php");
if (isset($_SESSION["sess_messages"])) {
$error_message = is_error_message();
$array_messages = unserialize($_SESSION["sess_messages"]);
if (is_array($array_messages)) {
foreach (array_keys($array_messages) as $current_message_id) {
eval ('$message = "' . $messages[$current_message_id]["message"] . '";');
switch ($messages[$current_message_id]["type"]) {
case 'info':
if ($error_message == false) {
print "";
print "$message |
";
print "
";
}
break;
case 'error':
print "";
print "Error: $message |
";
print "
";
break;
}
}
}
}
kill_session_var("sess_messages");
}
function clear_messages() {
kill_session_var("sess_messages");
}
function kill_session_var($var_name) {
/* register_global = off: reset local settings cache so the user sees the new settings */
session_unregister($var_name);
/* register_global = on: reset local settings cache so the user sees the new settings */
unset($_SESSION[$var_name]);
}
function array_rekey($array, $key, $key_value) {
$ret_array = array();
if (sizeof($array) > 0) {
foreach ($array as $item) {
$item_key = $item[$key];
$ret_array[$item_key] = $item[$key_value];
}
}
return $ret_array;
}
function draw_menu() {
global $colors, $config;
include ($config["include_path"] . "/config_arrays.php");
print "\n";
foreach (array_keys($menu) as $header) {
print "|
\n";
if (sizeof($menu[$header]) > 0) {
foreach (array_keys($menu[$header]) as $url) {
if (basename($_SERVER["PHP_SELF"]) == basename($url)) {
print "|
\n";
}else{
print "|
\n";
}
}
}
}
print ' |
';
}
function log_data($string, $output = false) {
/* fill in the current date for printing in the log */
$date = date("m/d/Y g:i A");
/* echo the data to the log (append) */
$fp = fopen(read_config_option("path_webroot") . read_config_option("path_webcacti") . "/log/rrd.log", "a");
fwrite($fp, "$date - $string\n");
fclose($fp);
if ($output == true) {
print "$string\n";
}
}
function get_full_script_path($local_data_id) {
$data_source = db_fetch_row("select
data_template_data.id,
data_template_data.data_input_id,
data_input.type_id,
data_input.input_string
from data_template_data,data_input
where data_template_data.data_input_id=data_input.id
and data_template_data.local_data_id=$local_data_id");
/* snmp-actions don't have paths */
if (($data_source["type_id"] == "2") || ($data_source["type_id"] == "3")) {
return false;
}
$data = db_fetch_assoc("select
data_input_fields.data_name,
data_input_data.value
from data_input_fields
left join data_input_data
on data_input_fields.id=data_input_data.data_input_field_id
where data_input_fields.data_input_id=" . $data_source["data_input_id"] . "
and data_input_data.data_template_data_id=" . $data_source["id"] . "
and data_input_fields.input_output='in'");
$full_path = $data_source["input_string"];
if (sizeof($data) > 0) {
foreach ($data as $item) {
$full_path = str_replace("<" . $item["data_name"] . ">", $item["value"], $full_path);
}
}
$full_path = str_replace("", read_config_option("path_webroot") . read_config_option("path_webcacti"), $full_path);
$full_path = str_replace("", read_config_option("path_snmpget"), $full_path);
$full_path = str_replace("", read_config_option("path_php_binary"), $full_path);
/* sometimes a certain input value will not have anything entered... null out these fields
in the input string so we don't mess up the script */
$full_path = preg_replace("/(<[A-Za-z0-9_]+>)+/", "", $full_path);
return $full_path;
}
function get_data_source_name($data_template_rrd_id) {
if (empty($data_template_rrd_id)) { return ""; }
$data_source = db_fetch_row("select
data_template_rrd.data_source_name,
data_template_data.name
from data_template_rrd,data_template_data
where data_template_rrd.local_data_id=data_template_data.local_data_id
and data_template_rrd.id=$data_template_rrd_id");
/* use the cacti ds name by default or the user defined one, if entered */
if (empty($data_source["data_source_name"])) {
/* limit input to 19 characters */
$data_source_name = clean_up_name($data_source["name"]);
$data_source_name = substr(strtolower($data_source_name),0,(19-strlen($data_template_rrd_id))) . $data_template_rrd_id;
return $data_source_name;
}else{
return $data_source["data_source_name"];
}
}
function get_data_source_path($local_data_id, $expand_paths) {
if (empty($local_data_id)) { return ""; }
$data_source = db_fetch_row("select name,data_source_path from data_template_data where local_data_id=$local_data_id");
if (sizeof($data_source) > 0) {
if (empty($data_source["data_source_path"])) {
/* no custom path was specified */
$data_source_path = generate_data_source_path($local_data_id);
}else{
if (!strstr($data_source["data_source_path"], "/")) {
$data_source_path = "/" . $data_source["data_source_path"];
}else{
$data_source_path = $data_source["data_source_path"];
}
}
/* whether to show the "actual" path or the variable name (for edit boxes) */
if ($expand_paths == true) {
$data_source_path = str_replace("", read_config_option("path_webroot") . read_config_option("path_webcacti") . "/rra", $data_source_path);
}
return $data_source_path;
}
}
function stri_replace($find, $replace, $string) {
$parts = explode(strtolower($find), strtolower($string));
$pos = 0;
foreach ($parts as $key=>$part) {
$parts[$key] = substr($string, $pos, strlen($part));
$pos += strlen($part) + strlen($find);
}
return (join($replace, $parts));
}
function clean_up_name($string) {
$string = preg_replace("/[\s\.]+/", "_", $string);
$string = preg_replace("/_{2,}/", "_", $string);
$string = preg_replace("/[^a-zA-Z0-9_]+/", "", $string);
return $string;
}
function update_data_source_title_cache_from_query($snmp_query_id, $snmp_index) {
$data = db_fetch_assoc("select id from data_local where snmp_query_id=$snmp_query_id and snmp_index=$snmp_index");
if (sizeof($data) > 0) {
foreach ($data as $item) {
update_data_source_title_cache($item["id"]);
}
}
}
function update_data_source_title_cache_from_host($host_id) {
$data = db_fetch_assoc("select id from data_local where host_id=$host_id");
if (sizeof($data) > 0) {
foreach ($data as $item) {
update_data_source_title_cache($item["id"]);
}
}
}
function update_data_source_title_cache($local_data_id) {
db_execute("update data_template_data set name_cache='" . get_data_source_title($local_data_id) . "' where local_data_id=$local_data_id");
}
function update_graph_title_cache_from_query($snmp_query_id, $snmp_index) {
$graphs = db_fetch_assoc("select id from graph_local where snmp_query_id=$snmp_query_id and snmp_index=$snmp_index");
if (sizeof($graphs) > 0) {
foreach ($graphs as $item) {
update_graph_title_cache($item["id"]);
}
}
}
function update_graph_title_cache_from_host($host_id) {
$graphs = db_fetch_assoc("select id from graph_local where host_id=$host_id");
if (sizeof($graphs) > 0) {
foreach ($graphs as $item) {
update_graph_title_cache($item["id"]);
}
}
}
function update_graph_title_cache($local_graph_id) {
db_execute("update graph_templates_graph set title_cache='" . get_graph_title($local_graph_id) . "' where local_graph_id=$local_graph_id");
}
function get_data_source_title($local_data_id) {
$data = db_fetch_row("select
data_local.host_id,
data_local.snmp_query_id,
data_local.snmp_index,
data_template_data.name
from data_template_data,data_local
where data_template_data.local_data_id=data_local.id
and data_local.id=$local_data_id");
if ((strstr($data["name"], "|")) && (!empty($data["host_id"]))) {
return expand_title($data["host_id"], $data["snmp_query_id"], $data["snmp_index"], $data["name"]);
}else{
return $data["name"];
}
}
function get_graph_title($local_graph_id) {
$graph = db_fetch_row("select
graph_local.host_id,
graph_local.snmp_query_id,
graph_local.snmp_index,
graph_templates_graph.title
from graph_templates_graph,graph_local
where graph_templates_graph.local_graph_id=graph_local.id
and graph_local.id=$local_graph_id");
if ((strstr($graph["title"], "|")) && (!empty($graph["host_id"]))) {
return expand_title($graph["host_id"], $graph["snmp_query_id"], $graph["snmp_index"], $graph["title"]);
}else{
return $graph["title"];
}
}
function null_out_subsitions($string) {
return eregi_replace("\|host_(hostname|description|management_ip|snmp_community|snmp_version|snmp_username|snmp_password)\|( - )?", "", $string);
}
function expand_title($host_id, $snmp_query_id, $snmp_index, $title) {
if ((strstr($title, "|")) && (!empty($host_id))) {
if (($snmp_query_id != "0") && ($snmp_index != "")) {
return subsitute_snmp_query_data(null_out_subsitions(subsitute_host_data($title, "|", "|", $host_id)), "|", "|", $host_id, $snmp_query_id, $snmp_index);
}else{
return null_out_subsitions(subsitute_host_data($title, "|", "|", $host_id));
}
}else{
return null_out_subsitions($title);
}
}
function subsitute_data_query_path($path) {
$path = str_replace("|path_cacti|", read_config_option("path_webroot") . read_config_option("path_webcacti"), $path);
$path = str_replace("|path_php_binary|", read_config_option("path_php_binary"), $path);
return $path;
}
function subsitute_host_data($string, $l_escape_string, $r_escape_string, $host_id) {
if (isset($_SESSION["sess_host_cache_array"])) {
$host_cache_array = unserialize($_SESSION["sess_host_cache_array"]);
}
if (!isset($host_cache_array[$host_id])) {
$host = db_fetch_row("select description,hostname,management_ip,snmp_community,snmp_version,snmp_username,snmp_password from host where id=$host_id");
$host_cache_array[$host_id] = $host;
$_SESSION["sess_host_cache_array"] = serialize($host_cache_array);
}
$string = str_replace($l_escape_string . "host_hostname" . $r_escape_string, $host_cache_array[$host_id]["hostname"], $string);
$string = str_replace($l_escape_string . "host_description" . $r_escape_string, $host_cache_array[$host_id]["description"], $string);
$string = str_replace($l_escape_string . "host_management_ip" . $r_escape_string, $host_cache_array[$host_id]["management_ip"], $string);
$string = str_replace($l_escape_string . "host_snmp_community" . $r_escape_string, $host_cache_array[$host_id]["snmp_community"], $string);
$string = str_replace($l_escape_string . "host_snmp_version" . $r_escape_string, $host_cache_array[$host_id]["snmp_version"], $string);
$string = str_replace($l_escape_string . "host_snmp_username" . $r_escape_string, $host_cache_array[$host_id]["snmp_username"], $string);
$string = str_replace($l_escape_string . "host_snmp_password" . $r_escape_string, $host_cache_array[$host_id]["snmp_password"], $string);
return $string;
}
function subsitute_snmp_query_data($string, $l_escape_string, $r_escape_string, $host_id, $snmp_query_id, $snmp_index) {
$snmp_cache_data = db_fetch_assoc("select field_name,field_value from host_snmp_cache where host_id=$host_id and snmp_query_id=$snmp_query_id and snmp_index='$snmp_index'");
if (sizeof($snmp_cache_data) > 0) {
foreach ($snmp_cache_data as $data) {
if ($data["field_value"] != "") {
$string = stri_replace($l_escape_string . "query_" . $data["field_name"] . $r_escape_string, substr($data["field_value"],0,15), $string);
}
}
}
return $string;
}
function data_query_index($index_type, $index_value, $host_id) {
return db_fetch_row("select
host_snmp_cache.snmp_query_id,
host_snmp_cache.snmp_index
from host_snmp_cache
where host_snmp_cache.field_name='$index_type'
and host_snmp_cache.field_value='$index_value'
and host_snmp_cache.host_id=$host_id");
}
function data_query_field_list($data_template_data_id) {
$field = db_fetch_assoc("select
data_input_fields.type_code,
data_input_data.value
from data_input_fields,data_input_data
where data_input_fields.id=data_input_data.data_input_field_id
and data_input_data.data_template_data_id=$data_template_data_id
and (data_input_fields.type_code='index_type' or data_input_fields.type_code='index_value' or data_input_fields.type_code='output_type')");
$field = array_rekey($field, "type_code", "value");
if ((!isset($field["index_type"])) || (!isset($field["index_value"])) || (!isset($field["output_type"]))) {
return 0;
}else{
return $field;
}
}
function generate_data_source_path($local_data_id) {
$host_part = ""; $ds_part = "";
/* try any prepend the name with the host description */
$host_name = db_fetch_cell("select host.description from host,data_local where data_local.host_id=host.id and data_local.id=$local_data_id");
if (!empty($host_name)) {
$host_part = strtolower(clean_up_name($host_name)) . "_";
}
/* then try and use the internal DS name to identify it */
$data_source_rrd_name = db_fetch_cell("select data_source_name from data_template_rrd where local_data_id=$local_data_id order by id");
if (!empty($data_source_rrd_name)) {
$ds_part = strtolower(clean_up_name($data_source_rrd_name));
}else{
$ds_part = "ds";
}
/* put it all together using the local_data_id at the end */
$new_path = "/$host_part$ds_part" . "_" . "$local_data_id.rrd";
/* update our changes to the db */
db_execute("update data_template_data set data_source_path='$new_path' where local_data_id=$local_data_id");
return $new_path;
}
function generate_graph_def_name($graph_item_id) {
$lookup_table = array("a","b","c","d","e","f","g","h","i","j");
$result = "";
for($i=0; $i/", $string, $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=$data_input_id and input_output='$inout' and data_name='" . $matches[1][$i] . "'");
}
}
}
}
function move_graph_group($graph_template_item_id, $graph_group_array, $target_id, $direction) {
$graph_item = db_fetch_row("select local_graph_id,graph_template_id from graph_templates_item where id=$graph_template_item_id");
if (empty($graph_item["local_graph_id"])) {
$sql_where = "graph_template_id = " . $graph_item["graph_template_id"] . " and local_graph_id=0";
}else{
$sql_where = "local_graph_id = " . $graph_item["local_graph_id"];
}
$graph_items = db_fetch_assoc("select id,sequence from graph_templates_item where $sql_where order by sequence");
/* get a list of parent+children of our target group */
$target_graph_group_array = get_graph_group($target_id);
/* if this "parent" item has no children, then treat it like a regular gprint */
if (sizeof($target_graph_group_array) == 0) {
if ($direction == "next") {
move_item_down("graph_templates_item", $graph_template_item_id, $sql_where);
}elseif ($direction == "previous") {
move_item_up("graph_templates_item", $graph_template_item_id, $sql_where);
}
return;
}
/* start the sequence at '1' */
$sequence_counter = 1;
if (sizeof($graph_items) > 0) {
foreach ($graph_items as $item) {
/* check to see if we are at the "target" spot in the loop; if we are, update the sequences and move on */
if ($target_id == $item["id"]) {
if ($direction == "next") {
$group_array1 = $target_graph_group_array;
$group_array2 = $graph_group_array;
}elseif ($direction == "previous") {
$group_array1 = $graph_group_array;
$group_array2 = $target_graph_group_array;
}
while (list($sequence,$graph_template_item_id) = each($group_array1)) {
db_execute("update graph_templates_item set sequence=$sequence_counter where id=$graph_template_item_id");
/* propagate to ALL graphs using this template */
if (empty($graph_item["local_graph_id"])) {
db_execute("update graph_templates_item set sequence=$sequence_counter where local_graph_template_item_id=$graph_template_item_id");
}
$sequence_counter++;
}
while (list($sequence,$graph_template_item_id) = each($group_array2)) {
db_execute("update graph_templates_item set sequence=$sequence_counter where id=$graph_template_item_id");
/* propagate to ALL graphs using this template */
if (empty($graph_item["local_graph_id"])) {
db_execute("update graph_templates_item set sequence=$sequence_counter where local_graph_template_item_id=$graph_template_item_id");
}
$sequence_counter++;
}
}
/* make sure to "ignore" the items that we handled above */
if ((!isset($graph_group_array{$item["id"]})) && (!isset($target_graph_group_array{$item["id"]}))) {
db_execute("update graph_templates_item set sequence=$sequence_counter where id=" . $item["id"]);
$sequence_counter++;
}
}
}
}
function get_graph_group($graph_template_item_id) {
global $graph_item_types;
$graph_item = db_fetch_row("select graph_type_id,sequence,local_graph_id,graph_template_id from graph_templates_item where id=$graph_template_item_id");
if (empty($graph_item["local_graph_id"])) {
$sql_where = "graph_template_id = " . $graph_item["graph_template_id"] . " and local_graph_id=0";
}else{
$sql_where = "local_graph_id = " . $graph_item["local_graph_id"];
}
/* a parent must NOT be the following graph item types */
if (ereg("(GPRINT|VRULE|HRULE|COMMENT)", $graph_item_types{$graph_item["graph_type_id"]})) {
return;
}
$graph_item_children_array = array();
/* put the parent item in the array as well */
$graph_item_children_array[$graph_template_item_id] = $graph_template_item_id;
$graph_items = db_fetch_assoc("select id,graph_type_id from graph_templates_item where sequence > " . $graph_item["sequence"] . " and $sql_where order by sequence");
if (sizeof($graph_items) > 0) {
foreach ($graph_items as $item) {
if ($graph_item_types{$item["graph_type_id"]} == "GPRINT") {
/* a child must be a GPRINT */
$graph_item_children_array{$item["id"]} = $item["id"];
}else{
/* if not a GPRINT then get out */
return $graph_item_children_array;
}
}
}
return $graph_item_children_array;
}
function get_graph_parent($graph_template_item_id, $direction) {
$graph_item = db_fetch_row("select sequence,local_graph_id,graph_template_id from graph_templates_item where id=$graph_template_item_id");
if (empty($graph_item["local_graph_id"])) {
$sql_where = "graph_template_id = " . $graph_item["graph_template_id"] . " and local_graph_id=0";
}else{
$sql_where = "local_graph_id = " . $graph_item["local_graph_id"];
}
if ($direction == "next") {
$sql_operator = ">";
$sql_order = "ASC";
}elseif ($direction == "previous") {
$sql_operator = "<";
$sql_order = "DESC";
}
$next_parent_id = db_fetch_cell("select id from graph_templates_item where sequence $sql_operator " . $graph_item["sequence"] . " and graph_type_id != 9 and $sql_where order by sequence $sql_order limit 1");
if (empty($next_parent_id)) {
return 0;
}else{
return $next_parent_id;
}
}
function get_item($tblname, $field, $startid, $lmt_query, $direction) {
if ($direction == "next") {
$sql_operator = ">";
$sql_order = "ASC";
}elseif ($direction == "previous") {
$sql_operator = "<";
$sql_order = "DESC";
}
$current_sequence = db_fetch_cell("select $field from $tblname where id=$startid");
$new_item_id = db_fetch_cell("select id from $tblname where $field $sql_operator $current_sequence and $lmt_query order by $field $sql_order limit 1");
if (empty($new_item_id)) {
return $startid;
}else{
return $new_item_id;
}
}
function get_sequence($id, $field, $table_name, $group_query) {
if (empty($id)) {
$data = db_fetch_row("select max($field)+1 as seq from $table_name where $group_query");
if ($data["seq"] == "") {
return 1;
}else{
return $data["seq"];
}
}else{
$data = db_fetch_row("select $field from $table_name where id=$id");
return $data[$field];
}
}
function move_item_down($table_name, $current_id, $group_query) {
$next_item = get_item($table_name, "sequence", $current_id, $group_query, "next");
$sequence = db_fetch_cell("select sequence from $table_name where id=$current_id");
$sequence_next = db_fetch_cell("select sequence from $table_name where id=$next_item");
db_execute("update $table_name set sequence=$sequence_next where id=$current_id");
db_execute("update $table_name set sequence=$sequence where id=$next_item");
}
function move_item_up($table_name, $current_id, $group_query) {
$last_item = get_item($table_name, "sequence", $current_id, $group_query, "previous");
$sequence = db_fetch_cell("select sequence from $table_name where id=$current_id");
$sequence_last = db_fetch_cell("select sequence from $table_name where id=$last_item");
db_execute("update $table_name set sequence=$sequence_last where id=$current_id");
db_execute("update $table_name set sequence=$sequence where id=$last_item");
}
function exec_into_array($command_line) {
exec($command_line,$out,$err);
$command_array = array();
for($i=0; list($key, $value) = each($out); $i++) {
$command_array[$i] = $value;
}
return $command_array;
}
function get_web_browser() {
if (stristr($_SERVER["HTTP_USER_AGENT"], "Mozilla") && (!(stristr($_SERVER["HTTP_USER_AGENT"], "compatible")))) {
return "moz";
}elseif (stristr($_SERVER["HTTP_USER_AGENT"], "MSIE")) {
return "ie";
}else{
return "other";
}
}
function hex2bin($data) {
$len = strlen($data);
for($i=0;$i<$len;$i+=2) {
$newdata .= pack("C",hexdec(substr($data,$i,2)));
}
return $newdata;
}
?>