function scan($url)
{
global $scans;
global $documentsToScan;
$document = getPageContents($url);
if (!DBdocumentExists($url)) {
$keywords = EXTRACTkeywords($document);
DBinsertKeywords($url, $keywords);
$scans--;
}
if ($scans <= 0) {
DBclose();
exit;
}
$links = getLinks($document);
$documentsToScan = array_merge($documentsToScan, $links);
$nextScan = array_shift($documentsToScan);
if ($nextScan != null) {
scan($nextScan);
}
}
function checkConnection()
{
global $DB;
if (!$this->getConfig('check_fields_result')) {
return false;
}
$DB['TYPE'] = $this->getConfig('DB_TYPE');
if (is_null($DB['TYPE'])) {
return false;
}
$DB['SERVER'] = $this->getConfig('DB_SERVER', 'localhost');
$DB['PORT'] = $this->getConfig('DB_PORT', '0');
$DB['DATABASE'] = $this->getConfig('DB_DATABASE', 'zabbix');
$DB['USER'] = $this->getConfig('DB_USER', 'root');
$DB['PASSWORD'] = $this->getConfig('DB_PASSWORD', '');
$DB['SCHEMA'] = $this->getConfig('DB_SCHEMA', '');
$error = '';
// during setup set debug to false to avoid displaying unwanted PHP errors in messages
if (!($result = DBconnect($error))) {
error($error);
} else {
$result = true;
if (!zbx_empty($DB['SCHEMA']) && $DB['TYPE'] == ZBX_DB_DB2) {
$db_schema = DBselect('SELECT schemaname FROM syscat.schemata WHERE schemaname=\'' . db2_escape_string($DB['SCHEMA']) . '\'');
$result = DBfetch($db_schema);
}
if ($result) {
$result = DBexecute('CREATE TABLE zabbix_installation_test (test_row INTEGER)');
$result &= DBexecute('DROP TABLE zabbix_installation_test');
}
}
DBclose();
$DB = null;
return $result;
}
function CheckConfigurationFile()
{
global $DB, $ZBX_SERVER, $ZBX_SERVER_PORT;
if (!empty($DB)) {
$old_DB = true;
$old_DB_TYPE = $DB['TYPE'];
$old_DB_SERVER = $DB['SERVER'];
$old_DB_PORT = $DB['PORT'];
$old_DB_DATABASE = $DB['DATABASE'];
$old_DB_USER = $DB['USER'];
$old_DB_PASSWORD = $DB['PASSWORD'];
$old_ZBX_SERVER = $ZBX_SERVER;
$old_ZBX_SERVER_PORT = $ZBX_SERVER_PORT;
}
$error = null;
$error_msg = null;
global $ZBX_CONFIGURATION_FILE;
if (file_exists($ZBX_CONFIGURATION_FILE)) {
include $ZBX_CONFIGURATION_FILE;
if (isset($DB['TYPE']) && isset($DB['SERVER']) && isset($DB['DATABASE']) && isset($DB['USER']) && isset($DB['PASSWORD']) && isset($ZBX_SERVER) && isset($ZBX_SERVER_PORT) && isset($IMAGE_FORMAT_DEFAULT) && $DB['TYPE'] == $this->getConfig('DB_TYPE', null) && $DB['SERVER'] == $this->getConfig('DB_SERVER', null) && $DB['PORT'] == $this->getConfig('DB_PORT', null) && $DB['DATABASE'] == $this->getConfig('DB_DATABASE', null) && $DB['USER'] == $this->getConfig('DB_USER', null) && $DB['PASSWORD'] == $this->getConfig('DB_PASSWORD', null)) {
if (!DBconnect($error_msg)) {
$error_msg = 'Can not connect to database';
}
} else {
$error_msg = 'Incorrect configuration file[' . $ZBX_CONFIGURATION_FILE . ']';
}
DBclose();
} else {
$error = 'Missing configuration file[' . $ZBX_CONFIGURATION_FILE . ']';
}
if (isset($error_msg)) {
error($error_msg);
}
/* restore connection */
global $DB;
if (isset($old_DB)) {
$DB['TYPE'] = $old_DB_TYPE;
$DB['SERVER'] = $old_DB_SERVER;
$DB['PORT'] = $old_DB_PORT;
$DB['DATABASE'] = $old_DB_DATABASE;
$DB['USER'] = $old_DB_USER;
$DB['PASSWORD'] = $old_DB_PASSWORD;
$ZBX_SERVER = $old_ZBX_SERVER;
$ZBX_SERVER_PORT = $old_ZBX_SERVER_PORT;
}
DBconnect($error2);
return !isset($error) && !isset($error_msg);
}
/**
* Initializes the application.
*/
public function run($mode = self::EXEC_MODE_DEFAULT)
{
$this->init();
$this->setMaintenanceMode();
$this->setErrorHandler();
switch ($mode) {
case self::EXEC_MODE_DEFAULT:
$this->loadConfigFile();
$this->initDB();
$this->initNodes();
$this->authenticateUser();
// init nodes after user is authenticated
init_nodes();
$this->initLocales();
break;
case self::EXEC_MODE_API:
$this->loadConfigFile();
$this->initDB();
$this->initNodes();
$this->initLocales();
break;
case self::EXEC_MODE_SETUP:
try {
// try to load config file, if it exists we need to init db and authenticate user to check permissions
$this->loadConfigFile();
$this->initDB();
$this->initNodes();
$this->authenticateUser();
// init nodes after user is authenticated
init_nodes();
$this->initLocales();
DBclose();
} catch (ConfigFileException $e) {
}
break;
}
}
function CheckConnection()
{
global $DB;
// global $ZBX_MESSAGES;
$DB['TYPE'] = $this->getConfig('DB_TYPE');
if (is_null($DB['TYPE'])) {
return false;
}
$DB['SERVER'] = $this->getConfig('DB_SERVER', 'localhost');
$DB['PORT'] = $this->getConfig('DB_PORT', '0');
$DB['DATABASE'] = $this->getConfig('DB_DATABASE', 'zabbix');
$DB['USER'] = $this->getConfig('DB_USER', 'root');
$DB['PASSWORD'] = $this->getConfig('DB_PASSWORD', '');
$DB['SCHEMA'] = $this->getConfig('DB_SCHEMA', '');
$error = '';
if (!($result = DBconnect($error))) {
// if(!is_null($ZBX_MESSAGES)) array_pop($ZBX_MESSAGES);
error($error);
} else {
$result = true;
if (!zbx_empty($DB['SCHEMA']) && $DB['TYPE'] == 'IBM_DB2') {
$db_schema = DBselect("SELECT schemaname FROM syscat.schemata WHERE schemaname='" . db2_escape_string($DB['SCHEMA']) . "'");
$result = DBfetch($db_schema);
}
if ($result) {
$result = DBexecute('CREATE table zabbix_installation_test ( test_row integer )');
$result &= DBexecute('DROP table zabbix_installation_test');
}
}
DBclose();
if ($DB['TYPE'] == 'SQLITE3' && !zbx_is_callable(array('sem_get', 'sem_acquire', 'sem_release', 'sem_remove'))) {
error('SQLite3 requires IPC functions');
$result = false;
}
$DB = null;
return $result;
}
function CheckConnection()
{
global $DB;
$DB['TYPE'] = $this->getConfig('DB_TYPE');
if (is_null($DB['TYPE'])) {
return false;
}
$DB['SERVER'] = $this->getConfig('DB_SERVER', 'localhost');
$DB['PORT'] = $this->getConfig('DB_PORT', '0');
$DB['DATABASE'] = $this->getConfig('DB_DATABASE', 'zabbix');
$DB['USER'] = $this->getConfig('DB_USER', 'root');
$DB['PASSWORD'] = $this->getConfig('DB_PASSWORD', '');
$DB['SCHEMA'] = $this->getConfig('DB_SCHEMA', '');
$error = '';
if (!($result = DBconnect($error))) {
error($error);
} else {
$result = true;
if (!zbx_empty($DB['SCHEMA']) && $DB['TYPE'] == ZBX_DB_DB2) {
$db_schema = DBselect('SELECT schemaname FROM syscat.schemata WHERE schemaname=\'' . db2_escape_string($DB['SCHEMA']) . '\'');
$result = DBfetch($db_schema);
}
if ($result) {
$result = DBexecute('CREATE TABLE zabbix_installation_test (test_row INTEGER)');
$result &= DBexecute('DROP TABLE zabbix_installation_test');
}
}
DBclose();
if ($DB['TYPE'] == ZBX_DB_SQLITE3 && !zbx_is_callable(array('ftok', 'sem_get', 'sem_acquire', 'sem_release', 'sem_remove'))) {
error('Support of SQLite3 requires PHP IPC functions');
$result = false;
}
$DB = null;
return $result;
}
// if a guest or a non-super admin user is logged in
if (CWebUser::$data && CWebUser::getType() < USER_TYPE_SUPER_ADMIN) {
// on the last step of the setup we always have a guest user logged in;
// when he presses the "Finish" button he must be redirected to the login screen
if (CWebUser::isGuest() && CSession::getValue('step') == 5 && hasRequest('finish')) {
CSession::clear();
redirect('index.php');
} elseif (!(CWebUser::isGuest() && CSession::getValue('step') == 5)) {
access_deny(ACCESS_DENY_PAGE);
}
} elseif (hasRequest('cancel') || hasRequest('finish')) {
CSession::clear();
redirect('index.php');
}
$theme = CWebUser::$data ? getUserTheme(CWebUser::$data) : ZBX_DEFAULT_THEME;
DBclose();
/*
* Setup wizard
*/
$ZBX_SETUP_WIZARD = new CSetupWizard();
// if init fails due to missing configuration, set user as guest with default en_GB language
if (!CWebUser::$data) {
CWebUser::setDefault();
}
// page title
(new CPageHeader(_('Installation')))->addCssFile('styles/' . CHtml::encode($theme) . '.css')->addJsFile('js/browsers.js')->addJsFile('jsLoader.php?ver=' . ZABBIX_VERSION . '&lang=' . CWebUser::$data['lang'])->display();
/*
* Displaying
*/
$link = (new CLink('GPL v2', 'http://www.zabbix.com/license.php'))->setTarget('_blank')->addClass(ZBX_STYLE_GREY)->addClass(ZBX_STYLE_LINK_ALT);
$sub_footer = (new CDiv(['Licensed under ', $link]))->addClass(ZBX_STYLE_SIGNIN_LINKS);