/usr/share/php/Icinga/Application/Platform.php is in php-icinga 2.1.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
namespace Icinga\Application;
/**
* Platform tests for icingaweb
*/
class Platform
{
/**
* Domain name
*
* @var string
*/
protected static $domain;
/**
* Host name
*
* @var string
*/
protected static $hostname;
/**
* Fully qualified domain name
*
* @var string
*/
protected static $fqdn;
/**
* Return the operating system's name
*
* @return string
*/
public static function getOperatingSystemName()
{
return php_uname('s');
}
/**
* Test of windows
*
* @return bool
*/
public static function isWindows()
{
return strtoupper(substr(self::getOperatingSystemName(), 0, 3)) === 'WIN';
}
/**
* Test of linux
*
* @return bool
*/
public static function isLinux()
{
return strtoupper(substr(self::getOperatingSystemName(), 0, 5)) === 'LINUX';
}
/**
* Return the Linux distribution's name
* or 'linux' if the name could not be found out
* or false if the OS isn't Linux or an error occurred
*
* @param int $reliable
* 3: Only parse /etc/os-release (or /usr/lib/os-release).
* For the paranoid ones.
* 2: If that (3) doesn't help, check /etc/*-release, too.
* If something is unclear, return 'linux'.
* 1: Almost equal to mode 2. The possible return values also include:
* 'redhat' -- unclear whether RHEL/Fedora/...
* 'suse' -- unclear whether SLES/openSUSE/...
* 0: If even that (1) doesn't help, check /proc/version, too.
* This may not work (as expected) on LXC containers!
* (No reliability at all!)
*
* @return string|bool
*/
public static function getLinuxDistro($reliable = 2)
{
if (! self::isLinux()) {
return false;
}
foreach (array('/etc/os-release', '/usr/lib/os-release') as $osReleaseFile) {
if (false === ($osRelease = @file(
$osReleaseFile, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES
))) {
continue;
}
foreach ($osRelease as $osInfo) {
if (false === ($res = @preg_match('/(?<!.)[ \t]*#/ms', $osInfo))) {
return false;
}
if ($res === 1) {
continue;
}
$matches = array();
if (false === ($res = @preg_match(
'/(?<!.)[ \t]*ID[ \t]*=[ \t]*(\'|"|)(.*?)(?:\1)[ \t]*(?!.)/msi',
$osInfo,
$matches
))) {
return false;
}
if (! ($res === 0 || $matches[2] === '' || $matches[2] === 'linux')) {
return $matches[2];
}
}
}
if ($reliable > 2) {
return 'linux';
}
foreach (array(
'fedora' => '/etc/fedora-release',
'centos' => '/etc/centos-release'
) as $distro => $releaseFile) {
if (! (false === (
$release = @file_get_contents($releaseFile)
) || false === strpos(strtolower($release), $distro))) {
return $distro;
}
}
if (false !== ($release = @file_get_contents('/etc/redhat-release'))) {
$release = strtolower($release);
if (false !== strpos($release, 'red hat enterprise linux')) {
return 'rhel';
}
foreach (array('fedora', 'centos') as $distro) {
if (false !== strpos($release, $distro)) {
return $distro;
}
}
return $reliable < 2 ? 'redhat' : 'linux';
}
if (false !== ($release = @file_get_contents('/etc/SuSE-release'))) {
$release = strtolower($release);
foreach (array(
'opensuse' => 'opensuse',
'sles' => 'suse linux enterprise server',
'sled' => 'suse linux enterprise desktop'
) as $distro => $name) {
if (false !== strpos($release, $name)) {
return $distro;
}
}
return $reliable < 2 ? 'suse' : 'linux';
}
if ($reliable < 1) {
if (false === ($procVersion = @file_get_contents('/proc/version'))) {
return false;
}
$procVersion = strtolower($procVersion);
foreach (array(
'redhat' => 'red hat',
'suse' => 'suse linux',
'ubuntu' => 'ubuntu',
'debian' => 'debian'
) as $distro => $name) {
if (false !== strpos($procVersion, $name)) {
return $distro;
}
}
}
return 'linux';
}
/**
* Test of CLI environment
*
* @return bool
*/
public static function isCli()
{
if (PHP_SAPI == 'cli') {
return true;
} elseif ((PHP_SAPI == 'cgi' || PHP_SAPI == 'cgi-fcgi')
&& empty($_SERVER['SERVER_NAME'])) {
return true;
}
return false;
}
/**
* Get the hostname
*
* @return string
*/
public static function getHostname()
{
if (self::$hostname === null) {
self::discoverHostname();
}
return self::$hostname;
}
/**
* Get the domain name
*
* @return string
*/
public static function getDomain()
{
if (self::$domain === null) {
self::discoverHostname();
}
return self::$domain;
}
/**
* Get the fully qualified domain name
*
* @return string
*/
public static function getFqdn()
{
if (self::$fqdn === null) {
self::discoverHostname();
}
return self::$fqdn;
}
/**
* Initialize domain and host strings
*/
protected static function discoverHostname()
{
self::$hostname = gethostname();
self::$fqdn = gethostbyaddr(gethostbyname(self::$hostname));
if (substr(self::$fqdn, 0, strlen(self::$hostname)) === self::$hostname) {
self::$domain = substr(self::$fqdn, strlen(self::$hostname) + 1);
} else {
$parts = preg_split('~\.~', self::$hostname, 2);
self::$domain = array_shift($parts);
}
}
/**
* Return the version of PHP
*
* @return string
*/
public static function getPhpVersion()
{
return phpversion();
}
/**
* Return the username PHP is running as
*
* @return string
*/
public static function getPhpUser()
{
if (static::isWindows()) {
return get_current_user(); // http://php.net/manual/en/function.get-current-user.php#75059
}
if (function_exists('posix_geteuid')) {
$userInfo = posix_getpwuid(posix_geteuid());
return $userInfo['name'];
}
}
/**
* Test for php extension
*
* @param string $extensionName E.g. mysql, ldap
*
* @return bool
*/
public static function extensionLoaded($extensionName)
{
return extension_loaded($extensionName);
}
/**
* Return the value for the given PHP configuration option
*
* @param string $option The option name for which to return the value
*
* @return string|false
*/
public static function getPhpConfig($option)
{
return ini_get($option);
}
/**
* Return whether the given class exists
*
* @param string $name The name of the class to check
*
* @return bool
*/
public static function classExists($name)
{
if (@class_exists($name)) {
return true;
}
if (strpos($name, '_') !== false) {
// Assume it's a Zend-Framework class
return (@include str_replace('_', '/', $name) . '.php') !== false;
}
return false;
}
/**
* Return whether it's possible to connect to a LDAP server
*
* Checks whether the ldap extension is loaded
*
* @return bool
*/
public static function hasLdapSupport()
{
return static::extensionLoaded('ldap');
}
/**
* Return whether it's possible to connect to any of the supported database servers
*
* @return bool
*/
public static function hasDatabaseSupport()
{
return static::hasMssqlSupport() || static::hasMysqlSupport() || static::hasOciSupport()
|| static::hasOracleSupport() || static::hasPostgresqlSupport();
}
/**
* Return whether it's possible to connect to a MSSQL database
*
* Checks whether the mssql pdo extension has been loaded and Zend framework adapter for MSSQL is available
*
* @return bool
*/
public static function hasMssqlSupport()
{
return static::extensionLoaded('mssql') && static::classExists('Zend_Db_Adapter_Pdo_Mssql');
}
/**
* Return whether it's possible to connect to a MySQL database
*
* Checks whether the mysql pdo extension has been loaded and the Zend framework adapter for MySQL is available
*
* @return bool
*/
public static function hasMysqlSupport()
{
return static::extensionLoaded('mysql') && static::classExists('Zend_Db_Adapter_Pdo_Mysql');
}
/**
* Return whether it's possible to connect to a Oracle database using OCI8
*
* Checks whether the OCI8 extension has been loaded and the Zend framework adapter for Oracle is available
*
* @return bool
*/
public static function hasOciSupport()
{
return static::extensionLoaded('oci8') && static::classExists('Zend_Db_Adapter_Oracle');
}
/**
* Return whether it's possible to connect to a Oracle database using PDO_OCI
*
* Checks whether the OCI PDO extension has been loaded and the Zend framework adapter for Oci is available
*
* @return bool
*/
public static function hasOracleSupport()
{
return static::extensionLoaded('pdo_oci') && static::classExists('Zend_Db_Adapter_Pdo_Mysql');
}
/**
* Return whether it's possible to connect to a PostgreSQL database
*
* Checks whether the pgsql pdo extension has been loaded and the Zend framework adapter for PostgreSQL is available
*
* @return bool
*/
public static function hasPostgresqlSupport()
{
return static::extensionLoaded('pgsql') && static::classExists('Zend_Db_Adapter_Pdo_Pgsql');
}
}
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