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plugins.php
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<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2024 The Cacti Group |
| |
| 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: The Complete RRDtool-based Graphing Solution |
+-------------------------------------------------------------------------+
| This code is designed, written, and maintained by the Cacti Group. See |
| about.php and/or the AUTHORS file for specific developer information. |
+-------------------------------------------------------------------------+
| http://www.cacti.net/ |
+-------------------------------------------------------------------------+
*/
function do_hook($name) {
$data = func_get_args();
$data = api_plugin_hook($name, $data);
return $data;
}
function do_hook_function($name, $parm = null) {
return api_plugin_hook_function($name, $parm);
}
function api_user_realm_auth($filename = '') {
return api_plugin_user_realm_auth($filename);
}
/**
* This function executes a hook.
* @param string $name Name of hook to fire
* @return mixed $data
*/
function api_plugin_hook($name) {
global $config, $plugin_hooks, $plugins_integrated;
static $hook_cache = array();
$args = func_get_args();
$ret = '';
if (defined('IN_CACTI_INSTALL') || !db_table_exists('plugin_hooks')) {
return $args;
}
if (!isset($hook_cache[$name])) {
/* order the plugins by order */
$result = db_fetch_assoc_prepared('SELECT ph.name, ph.file, ph.function
FROM plugin_hooks AS ph
LEFT JOIN plugin_config AS pc
ON pc.directory = ph.name
WHERE ph.status = 1
AND hook = ?
ORDER BY pc.id ASC',
array($name),
true
);
$hook_cache[$name] = $result;
} else {
$result = $hook_cache[$name];
}
if (!empty($result)) {
foreach ($result as $hdata) {
$plugin_name = $hdata['name'];
$plugin_file = $hdata['file'];
// Security check
if (str_contains($plugin_file, '..')) {
cacti_log("ERROR: Attempted inclusion of not plugin file $plugin_file from $plugin_name with the hook name $name", false, 'SECURITY');
continue;
}
if (!in_array($plugin_name, $plugins_integrated, true)) {
$plugin_func = $hdata['function'];
$plugin_file = $hdata['file'];
$full_path = CACTI_PATH_PLUGINS . '/' . $plugin_name . '/' . $plugin_file;
$debounce = 'mpf_' . $plugin_name . '_' . $plugin_func;
if (file_exists($full_path)) {
include_once($full_path);
}
if (function_exists($plugin_func)) {
api_plugin_run_plugin_hook($name, $plugin_name, $plugin_func, $args);
} else if (debounce_run_notification($debounce)) {
cacti_log(sprintf('WARNING: Function "%s" does not exist in %s/%s for hook "%s"' . PHP_EOL, $plugin_func, $plugin_name, $plugin_file, $name), false, 'PLUGIN', POLLER_VERBOSITY_MEDIUM);
}
}
}
}
/* Variable-length argument lists have a slight problem when */
/* passing values by reference. Pity. This is a workaround. */
return $args;
}
function api_plugin_hook_function($name, $parm = null) {
global $config, $plugin_hooks, $plugins_integrated;
static $hook_cache = array();
$ret = $parm;
if (defined('IN_CACTI_INSTALL') || !db_table_exists('plugin_hooks')) {
return $ret;
}
if (!isset($hook_cache[$name])) {
/* order the plugins by order */
$result = db_fetch_assoc_prepared('SELECT ph.name, ph.file, ph.function
FROM plugin_hooks AS ph
LEFT JOIN plugin_config AS pc
ON pc.directory = ph.name
WHERE ph.status = 1
AND hook = ?
ORDER BY pc.id ASC',
array($name),
true
);
$hook_cache[$name] = $result;
} else {
$result = $hook_cache[$name];
}
if (empty($ret)) {
$null_ret = true;
} else {
$null_ret = false;
}
if (cacti_sizeof($result)) {
foreach ($result as $hdata) {
if (!in_array($hdata['name'], $plugins_integrated, true)) {
$message = '';
if (api_plugin_can_install($hdata['name'], $message)) {
$p[] = $hdata['name'];
if (file_exists(CACTI_PATH_PLUGINS . '/' . $hdata['name'] . '/' . $hdata['file'])) {
include_once(CACTI_PATH_PLUGINS . '/' . $hdata['name'] . '/' . $hdata['file']);
}
$function = $hdata['function'];
if (function_exists($function)) {
if (is_array($ret)) {
$is_array = true;
} else {
$is_array = false;
}
$ret = api_plugin_run_plugin_hook_function($name, $hdata['name'], $function, $ret);
if (($is_array && !is_array($ret)) || ($ret == null && $null_ret === false)) {
if (cacti_sizeof($result) > 1) {
cacti_log(sprintf("WARNING: Plugin hook '%s' from Plugin '%s' must return the calling array or variable, and it is not doing so. Please report this to the Plugin author.", $function, $hdata['name']), false, 'PLUGIN');
}
}
}
}
}
}
}
/* Variable-length argument lists have a slight problem when */
/* passing values by reference. Pity. This is a workaround. */
return $ret;
}
function api_plugin_run_plugin_hook($hook, $plugin, $function, $args) {
global $config, $menu;
if ($config['poller_id'] > 1) {
// Let's control the menu
$orig_menu = $menu;
$required_capabilities = array(
// Poller related
'poller_top' => array('remote_collect'), // Poller Top, api_plugin_hook
'poller_bottom' => array('remote_poller'), // Poller execution, api_plugin_hook
'update_host_status' => array('remote_collect'), // Processing poller output, api_plugin_hook
'poller_output' => array('remote_collect'), // Poller output activities
'poller_finishing' => array('remote_collect'), // Poller post processing, api_plugin_hook
'poller_exiting' => array('remote_collect'), // Poller exception handling, api_plugin_hook
// GUI Related
'page_head' => array('online_view', 'offline_view'), // Navigation, api_plugin_hook
'top_header_tabs' => array('online_view', 'offline_view'), // Top Tabs, api_plugin_hook
'top_graph_header_tabs' => array('online_view', 'offline_view'), // Top Tabs, api_plugin_hook
'graph_buttons' => array('online_view', 'offline_view'), // Buttons by graphs, api_plugin_hook
'graphs_new_top_links' => array('online_mgmt', 'offline_mgmt'), // Buttons by graphs, api_plugin_hook
'page_head' => array('online_view', 'offline_view') // Content, api_plugin_hook
);
$plugin_capabilities = api_plugin_remote_capabilities($plugin);
if ($plugin_capabilities === false) {
$function($args);
} elseif (api_plugin_hook_is_remote_collect($hook, $plugin, $required_capabilities)) {
if (api_plugin_status_run($hook, $required_capabilities, $plugin_capabilities, $plugin)) {
$function($args);
}
} elseif (isset($required_capabilities[$hook])) {
if (api_plugin_status_run($hook, $required_capabilities, $plugin_capabilities, $plugin)) {
$function($args);
}
} elseif ($config['connection'] == 'online' ||
((api_plugin_has_capability($plugin, 'offline_mgmt') || api_plugin_has_capability($plugin, 'offline_view'))
&& $config['connection'] != 'online')) {
$function($args);
} else {
// Don't run as they are not required
}
// See if we need to restore the menu to original
$remote_hooks = array(
'config_arrays',
'config_insert',
);
if (in_array($hook, $remote_hooks, true) && ($config['connection'] == 'offline' || $config['connection'] == 'recovery')) {
if (!api_plugin_has_capability($plugin, 'offline_mgmt')) {
if ($orig_menu !== $menu) {
$menu = $orig_menu;
}
}
}
} else {
$function($args);
}
return $args;
}
function api_plugin_run_plugin_hook_function($hook, $plugin, $function, $ret) {
global $config;
if ($config['poller_id'] > 1) {
$required_capabilities = array(
// Poller related
'poller_output' => array('remote_collect'), // Processing poller output, api_plugin_hook_function
'cacti_stats_update' => array('remote_collect'), // Updating Cacti stats
// GUI Related
'top_header' => array('online_view', 'offline_view'), // Top Tabs, api_plugin_hook_function
'top_graph_header' => array('online_view', 'offline_view'), // Top Tabs, api_plugin_hook_function
'rrd_graph_graph_options' => array('online_view', 'offline_view'), // Buttons by graphs, api_plugin_hook_function
'data_sources_table' => array('online_mgmt', 'offline_mgmt'), // Buttons by graphs, api_plugin_hook_function
'device_action_array' => array('online_mgmt', 'offline_mgmt'), // Actions Dropdown, api_plugin_hook_function
'data_source_action_array' => array('online_mgmt', 'offline_mgmt'), // Actions Dropdown, api_plugin_hook_function
'graphs_action_array' => array('online_mgmt', 'offline_mgmt'), // Actions Dropdown, api_plugin_hook_function
);
$plugin_capabilities = api_plugin_remote_capabilities($plugin);
if ($plugin_capabilities === false) {
// we will run if capabilities are not set
$ret = $function($ret);
} elseif (api_plugin_hook_is_remote_collect($hook, $plugin, $required_capabilities)) {
// run if hook is remote_collect and we support it
if (api_plugin_status_run($hook, $required_capabilities, $plugin_capabilities, $plugin)) {
$ret = $function($ret);
}
} elseif (isset($required_capabilities[$hook])) {
// run if hook is remote_collect and we support it
if (api_plugin_status_run($hook, $required_capabilities, $plugin_capabilities, $plugin)) {
$ret = $function($ret);
}
} else {
$ret = $function($ret);
}
} else {
$ret = $function($ret);
}
return $ret;
}
function api_plugin_hook_is_remote_collect($hook, $plugin, $required_capabilities) {
if (isset($required_capabilities[$hook])) {
foreach ($required_capabilities[$hook] as $capability) {
if (str_contains($capability, 'remote_collect')) {
return true;
}
}
}
return false;
}
function api_plugin_get_dependencies($plugin) {
global $config;
$file = CACTI_PATH_PLUGINS . '/' . $plugin . '/INFO';
$returndeps = array();
if (file_exists($file)) {
$info = parse_ini_file($file, true);
if (isset($info['info']['requires']) && trim($info['info']['requires']) != '') {
$parts = array_map('trim', explode(' ', $info['info']['requires']));
foreach ($parts as $p) {
$vparts = explode(':', $p);
if (isset($vparts[1])) {
$returndeps[$vparts[0]] = $vparts[1];
} else {
$returndeps[$p] = true;
}
}
return $returndeps;
}
}
return false;
}
function api_plugin_minimum_version($plugin, $version) {
if (strlen($version)) {
$plugin_version = db_fetch_cell_prepared('SELECT version
FROM plugin_config
WHERE directory = ?',
array($plugin));
$result = cacti_version_compare($version, $plugin_version, '<=');
} else {
$plugin_version = '<not read>';
$result = true;
}
return $result;
}
function api_plugin_installed($plugin) {
$plugin_data = db_fetch_row_prepared('SELECT directory, status
FROM plugin_config
WHERE directory = ?',
array($plugin));
if (cacti_sizeof($plugin_data)) {
if ($plugin_data['status'] >= 1) {
return true;
}
}
return false;
}
function api_plugin_remote_capabilities($plugin) {
global $config, $info_data;
if ($plugin == 'internal') {
return 'online_view:1 online_mgmt:1 offline_view:1 offline_mgmt:1 remote_collect:1';
}
$file = CACTI_PATH_PLUGINS . '/' . $plugin . '/INFO';
if (!isset($info_data[$plugin])) {
if (file_exists($file)) {
$info = parse_ini_file($file, true);
if (cacti_sizeof($info)) {
$info_data[$plugin] = $info['info'];
}
}
}
if (isset($info_data[$plugin]) && isset($info_data[$plugin]['capabilities'])) {
return $info_data[$plugin]['capabilities'];
} else {
return 'online_view:0 online_mgmt:0 offline_view:0 offline_mgmt:0 remote_collect:0';
}
return false;
}
function api_plugin_has_capability($plugin, $capability) {
$capabilities = api_plugin_remote_capabilities($plugin);
if (str_contains($capabilities, "$capability:1")) {
return true;
} else {
return false;
}
}
function api_plugin_status_run($hook, $required_capabilities, $plugin_capabilities, $plugin = '') {
global $config;
$status = $config['connection'];
if ($plugin == '') {
cacti_log('WARNING: The function \'api_plugin_status_run\' API has changed. Please add the $plugin attribute to the last position', false, 'PLUGIN');
$plugin = 'Unknown';
}
// Don't run if not a supported hook
if (!isset($required_capabilities[$hook])) {
cacti_log(sprintf('WARNING: Not running hook %s for plugin %s as its not a supported Remote Hook', $hook, $plugin), false, 'PLUGIN');
return false;
}
foreach ($required_capabilities[$hook] as $capability) {
if ($capability == 'remote_collect') {
if (str_contains($plugin_capabilities, "$capability:1")) {
return true;
}
} elseif ($capability == 'remote_poller') {
if (str_contains($plugin_capabilities, "$capability:1")) {
return true;
}
} elseif ($status == 'online' && !str_contains($capability, 'online')) {
continue;
} elseif (($status == 'offline' || $status == 'recovery') && !str_contains($capability, 'offline')) {
continue;
}
if (str_contains($plugin_capabilities, "$capability:1")) {
return true;
}
switch ($capability) {
case 'offline_view': // if the plugin has mgmt, it's assumed to have view
if (str_contains($plugin_capabilities, 'offline_mgmt:1')) {
return true;
}
break;
case 'online_view': // if the plugin has mgmt, it's assumed to have view
if (str_contains($plugin_capabilities, 'offline_mgmt:1')) {
return true;
}
break;
default:
break;
}
}
return false;
}
function api_plugin_db_table_create($plugin, $table, $data) {
global $config;
include_once(CACTI_PATH_LIBRARY . '/database.php');
$result = db_fetch_assoc('SHOW TABLES');
$tables = array();
foreach ($result as $arr) {
foreach ($arr as $t) {
$tables[] = $t;
}
}
if (!in_array($table, $tables, true)) {
$c = 0;
$sql = 'CREATE TABLE `' . $table . "` (\n";
foreach ($data['columns'] as $column) {
if (isset($column['name'])) {
if ($c > 0) {
$sql .= ",\n";
}
$sql .= '`' . $column['name'] . '`';
if (isset($column['type'])) {
$sql .= ' ' . $column['type'];
}
if (isset($column['unsigned'])) {
$sql .= ' unsigned';
}
if (isset($column['NULL']) && $column['NULL'] == false) {
$sql .= ' NOT NULL';
}
if (isset($column['NULL']) && $column['NULL'] == true && !isset($column['default'])) {
$sql .= ' default NULL';
}
if (isset($column['default'])) {
if (strtolower($column['type']) == 'timestamp' && $column['default'] === 'CURRENT_TIMESTAMP') {
$sql .= ' default CURRENT_TIMESTAMP';
} else {
$sql .= ' default ' . (is_numeric($column['default']) ? $column['default'] : "'" . $column['default'] . "'");
}
}
if (isset($column['auto_increment'])) {
$sql .= ' auto_increment';
}
$c++;
}
}
if (isset($data['primary'])) {
$sql .= ",\n PRIMARY KEY (`" . $data['primary'] . '`)';
}
if (isset($data['keys']) && cacti_sizeof($data['keys'])) {
foreach ($data['keys'] as $key) {
if (isset($key['name'])) {
$sql .= ",\n INDEX `" . $key['name'] . '` (' . db_format_index_create($key['columns']) . ')';
}
}
}
if (isset($data['unique_keys'])) {
foreach ($data['unique_keys'] as $key) {
if (isset($key['name'])) {
$sql .= ",\n UNIQUE INDEX `" . $key['name'] . '` (' . db_format_index_create($key['columns']) . ')';
}
}
}
$sql .= ') ENGINE = ' . $data['type'];
if (isset($data['charset'])) {
$sql .= ' DEFAULT CHARSET = ' . $data['charset'];
}
if (isset($data['row_format']) && strtolower(db_get_global_variable('innodb_file_format')) == 'barracuda') {
$sql .= ' ROW_FORMAT = ' . $data['row_format'];
}
if (isset($data['comment'])) {
$sql .= " COMMENT = '" . $data['comment'] . "'";
}
if (db_execute($sql)) {
db_execute_prepared("REPLACE INTO plugin_db_changes
(plugin, `table`, `column`, `method`)
VALUES (?, ?, '', 'create')",
array($plugin, $table));
if (isset($data['collate'])) {
db_execute("ALTER TABLE `$table` COLLATE = " . $data['collate']);
}
}
}
}
function api_plugin_drop_table($table) {
db_execute("DROP TABLE IF EXISTS $table");
api_plugin_drop_remote_table($table);
}
function api_plugin_db_changes_remove($plugin) {
$tables = db_fetch_assoc_prepared("SELECT `table`
FROM plugin_db_changes
WHERE plugin = ?
AND method ='create'",
array($plugin), false);
if (cacti_count($tables)) {
foreach ($tables as $table) {
db_execute('DROP TABLE IF EXISTS `' . $table['table'] . '`;');
}
api_plugin_drop_remote_table($table['table']);
db_execute_prepared("DELETE FROM plugin_db_changes
WHERE plugin = ?
AND method ='create'",
array($plugin), false);
}
$columns = db_fetch_assoc_prepared("SELECT `table`, `column`
FROM plugin_db_changes
WHERE plugin = ?
AND method ='addcolumn'",
array($plugin), false);
if (cacti_count($columns)) {
foreach ($columns as $column) {
db_execute('ALTER TABLE `' . $column['table'] . '` DROP `' . $column['column'] . '`');
}
db_execute_prepared("DELETE FROM plugin_db_changes
WHERE plugin = ?
AND method = 'addcolumn'",
array($plugin), false);
}
}
function api_plugin_db_add_column($plugin, $table, $column) {
global $config, $database_default;
// Example: api_plugin_db_add_column ('thold', 'plugin_config',
// array('name' => 'test' . rand(1, 200), 'type' => 'varchar (255)', 'NULL' => false));
include_once(CACTI_PATH_LIBRARY . '/database.php');
$result = db_fetch_assoc('SHOW COLUMNS FROM `' . $table . '`');
$columns = array();
foreach ($result as $arr) {
foreach ($arr as $t) {
$columns[] = $t;
}
}
if (isset($column['name']) && !in_array($column['name'], $columns, true)) {
$sql = 'ALTER TABLE `' . $table . '` ADD `' . $column['name'] . '`';
if (isset($column['type'])) {
$sql .= ' ' . $column['type'];
}
if (isset($column['unsigned'])) {
$sql .= ' unsigned';
}
if (isset($column['NULL']) && $column['NULL'] == false) {
$sql .= ' NOT NULL';
}
if (isset($column['NULL']) && $column['NULL'] == true && !isset($column['default'])) {
$sql .= ' default NULL';
}
if (isset($column['default'])) {
if (strtolower($column['type']) == 'timestamp' && $column['default'] === 'CURRENT_TIMESTAMP') {
$sql .= ' default CURRENT_TIMESTAMP';
} else {
$sql .= ' default ' . (is_numeric($column['default']) ? $column['default'] : "'" . $column['default'] . "'");
}
}
if (isset($column['auto_increment'])) {
$sql .= ' auto_increment';
}
if (isset($column['after'])) {
$sql .= ' AFTER ' . $column['after'];
}
if (db_execute($sql)) {
db_execute_prepared("INSERT INTO plugin_db_changes
(plugin, `table`, `column`, `method`)
VALUES (?, ?, ?, 'addcolumn')",
array($plugin, $table, $column['name']));
}
}
}
function api_plugin_can_install($plugin, &$message) {
$dependencies = api_plugin_get_dependencies($plugin);
$message = '';
$proceed = true;
if (is_array($dependencies) && cacti_sizeof($dependencies)) {
foreach ($dependencies as $dependency => $version) {
if (!plugin_valid_version_range($dependency, $version)) {
$message .= __('\'%s\' versions \'%s\' above or in range are required to install \'%s\'. ', ucwords($dependency), $version, ucwords($plugin));
$proceed = false;
} elseif (!api_plugin_installed($dependency)) {
$message .= __('\'%s\' must first be installed before \'%s\' is installed. ', ucwords($dependency), ucwords($plugin));
$proceed = false;
}
}
}
return $proceed;
}
function api_plugin_install($plugin) {
global $config;
if (!defined('IN_CACTI_INSTALL')) {
define('IN_CACTI_INSTALL', 1);
define('IN_PLUGIN_INSTALL', 1);
}
$dependencies = api_plugin_get_dependencies($plugin);
$proceed = api_plugin_can_install($plugin, $message);
if (!$proceed) {
$message .= '<br><br>' . __('Plugin cannot be installed.');
raise_message('dependency_check', $message, MESSAGE_LEVEL_ERROR);
header('Location: plugins.php');
exit;
}
include_once(CACTI_PATH_PLUGINS . "/$plugin/setup.php");
$exists = db_fetch_assoc_prepared('SELECT id
FROM plugin_config
WHERE directory = ?',
array($plugin), false);
if (cacti_sizeof($exists)) {
db_execute_prepared('DELETE FROM plugin_config
WHERE directory = ?',
array($plugin));
}
$name = $author = $webpage = $version = '';
$function = 'plugin_' . $plugin . '_version';
if (function_exists($function)) {
$info = $function();
$name = $info['longname'];
if (isset($info['homepage'])) {
$webpage = $info['homepage'];
} elseif (isset($info['webpage'])) {
$webpage = $info['webpage'];
} else {
$webpage = 'Not Stated';
}
$author = $info['author'];
$version = $info['version'];
} elseif (str_contains($plugin, 'plugin_')) {
raise_message('directory_error', __('The Plugin directory \'%s\' needs to be renamed to remove \'plugin_\' from the name before it can be installed.', $plugin), MESSAGE_LEVEL_ERROR);
return false;
} else {
raise_message('version_error', __('The Plugin in the directory \'%s\' does not include an version function \'%s()\'. This function must exist for the plugin to be installed.', $plugin, $function), MESSAGE_LEVEL_ERROR);
return false;
}
db_execute_prepared('INSERT INTO plugin_config
(directory, name, author, webpage, version, last_updated)
VALUES (?, ?, ?, ?, ?, NOW())',
array($plugin, $name, $author, $webpage, $version));
$function = 'plugin_' . $plugin . '_install';
if (function_exists($function)) {
$function();
$ready = api_plugin_check_config($plugin);
if ($ready) {
// Set the plugin as "disabled" so it can go live
db_execute_prepared('UPDATE plugin_config
SET status = 4
WHERE directory = ?',
array($plugin));
cacti_log(sprintf('NOTE: Cacti Plugin %s has been installed by %s', $plugin, get_username()), false, 'PLUGIN');
} else {
// Set the plugin as "needs configuration"
db_execute_prepared('UPDATE plugin_config
SET status = 2
WHERE directory = ?',
array($plugin));
cacti_log(sprintf('WARNING: Cacti Plugin %s was not installed by %s due to Configuration Issues', $plugin, get_username()), false, 'PLUGIN');
}
} else {
raise_message('install_error', __('The Plugin in the directory \'%s\' does not include an install function \'%s()\'. This function must exist for the plugin to be installed.', $plugin, $function), MESSAGE_LEVEL_ERROR);
return false;
}
api_plugin_replicate_config();
}
/**
* api_plugin_upgrade_register - Check the current version vs. the info version
* and if it finds that they are different, it will update the version
* and return true or false depending on if the version was changed.
*
* @param string The name of the plugin
*
* @return bool True if the version changed else false
*/
function api_plugin_upgrade_register($plugin) {
global $config;
$info = plugin_load_info_file(CACTI_PATH_PLUGINS . '/' . $plugin . '/INFO');
if ($info) {
$details = db_fetch_row_prepared('SELECT *
FROM plugin_config
WHERE directory = ?',
array($plugin));
if (cacti_sizeof($details)) {
$id = $details['id'];
$version = $details['version'];
if (isset($info['webpage'])) {
$info['homepage'] = $info['webpage'];
}
if ($version != $info['version']) {
db_execute_prepared('UPDATE plugin_config
SET name = ?, author = ?, webpage = ?, version = ?, last_updated = NOW()
WHERE id = ?',
array(
$info['longname'],
$info['author'],
$info['homepage'],
$info['version'],
$id
)
);
return true;
}
}
}
return false;
}
function api_plugin_uninstall_integrated() {
global $config, $plugin_hooks, $plugins_integrated;
foreach ($plugins_integrated as $plugin) {
api_plugin_uninstall($plugin, false);
}
}
function api_plugin_hooks_found($plugin) {
return db_fetch_cell_prepared('SELECT COUNT(*) FROM plugin_hooks WHERE name = ?', array($plugin)) ? true:false;
}
function api_plugin_realms_found($plugin) {
return db_fetch_cell_prepared('SELECT COUNT(*) FROM plugin_realms WHERE plugin = ?', array($plugin)) ? true:false;
}
function api_plugin_uninstall($plugin, $tables = true) {
global $config;
$plugin_found = false;
if (file_exists(CACTI_PATH_PLUGINS . "/$plugin/setup.php")) {
include_once(CACTI_PATH_PLUGINS . "/$plugin/setup.php");
// Run the Plugin's Uninstall Function first
$function = "plugin_{$plugin}_uninstall";
if (function_exists($function)) {
$function();
$plugin_found = true;
}
}
if (api_plugin_hooks_found($plugin)) {
api_plugin_remove_hooks($plugin);
}
if (api_plugin_realms_found($plugin)) {
api_plugin_remove_realms($plugin);
}
db_execute_prepared('DELETE FROM plugin_config
WHERE directory = ?',
array($plugin));
if ($tables) {
api_plugin_db_changes_remove($plugin);
} else {
db_execute_prepared('DELETE FROM plugin_db_changes
WHERE plugin = ?',
array($plugin));
}
if ($plugin_found) {
api_plugin_replicate_config();
cacti_log(sprintf('NOTE: Cacti Plugin %s has been uninstalled by %s', $plugin, get_username()), false, 'PLUGIN');
}
}
function api_plugin_check_config($plugin) {
global $config;
clearstatcache();
if (file_exists(CACTI_PATH_PLUGINS . "/$plugin/setup.php")) {
include_once(CACTI_PATH_PLUGINS . "/$plugin/setup.php");
$function = "plugin_{$plugin}_check_config";
if (function_exists($function)) {
return $function();
}
return true;
}
return false;
}
function api_plugin_enable($plugin) {
$ready = api_plugin_check_config($plugin);
if ($ready) {
api_plugin_enable_hooks($plugin);
db_execute_prepared('UPDATE plugin_config
SET status = 1
WHERE directory = ?',
array($plugin));
cacti_log(sprintf('WARNING: Cacti Plugin %s has been enabled by %s', $plugin, get_username()), false, 'PLUGIN');
}
}
function api_plugin_is_enabled($plugin) {
static $pstatus = array();
if (isset($pstatus[$plugin])) {
return $pstatus[$plugin];
}
$status = db_fetch_cell_prepared('SELECT status
FROM plugin_config
WHERE directory = ?',
array($plugin), false);
if ($status == '1') {
$pstatus[$plugin] = true;
return true;
}
$pstatus[$plugin] = false;
return false;
}
function api_plugin_disable($plugin) {
api_plugin_disable_hooks($plugin);
db_execute_prepared('UPDATE plugin_config
SET status = 4
WHERE directory = ?',
array($plugin));
api_plugin_replicate_config();
cacti_log(sprintf('WARNING: Cacti Plugin %s has been disabled by %s', $plugin, get_username()), false, 'PLUGIN');
}
function api_plugin_remove_data($plugin) {
$setup_file = CACTI_PATH_BASE . "/plugins/$plugin/setup.php";
if (file_exists($setup_file)) {
require_once($setup_file);
$rmdata_function = "plugin_{$plugin}_remove_data";
if (function_exists($rmdata_function)) {
$rmdata_function();
raise_message('rmdata_complete', __('Data for Plugin %s including Tables and Settings has been removed.', $plugin), MESSAGE_LEVEL_INFO);
} else {
raise_message('rmdata_not_complete', __('Data for Plugin %s including Tables and Settings has not been removed due to missing removal function.', $plugin), MESSAGE_LEVEL_ERROR);
}
}
}
function api_plugin_replicate_config() {
global $config;
include_once(CACTI_PATH_LIBRARY . '/poller.php');
$gone_time = read_config_option('poller_interval') * 2;
$pollers = array_rekey(
db_fetch_assoc('SELECT
id,
UNIX_TIMESTAMP() - UNIX_TIMESTAMP(last_status) AS last_polled
FROM poller