Teknik is a suite of services with attractive and functional interfaces.
https://www.teknik.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
540 lines
21 KiB
540 lines
21 KiB
<?php |
|
/** |
|
* common Functions class |
|
* |
|
* PHP version 5 |
|
* |
|
* @category PHP |
|
* @package PSI |
|
* @author Michael Cramer <BigMichi1@users.sourceforge.net> |
|
* @copyright 2009 phpSysInfo |
|
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
|
* @version SVN: $Id: class.CommonFunctions.inc.php 699 2012-09-15 11:57:13Z namiltd $ |
|
* @link http://phpsysinfo.sourceforge.net |
|
*/ |
|
/** |
|
* class with common functions used in all places |
|
* |
|
* @category PHP |
|
* @package PSI |
|
* @author Michael Cramer <BigMichi1@users.sourceforge.net> |
|
* @copyright 2009 phpSysInfo |
|
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
|
* @version Release: 3.0 |
|
* @link http://phpsysinfo.sourceforge.net |
|
*/ |
|
class CommonFunctions |
|
{ |
|
private static function _parse_log_file($string) |
|
{ |
|
if (defined('PSI_LOG') && is_string(PSI_LOG) && (strlen(PSI_LOG)>0) && ((substr(PSI_LOG, 0, 1)=="-") || (substr(PSI_LOG, 0, 1)=="+"))) { |
|
$log_file = substr(PSI_LOG, 1); |
|
if (file_exists($log_file)) { |
|
$contents = @file_get_contents($log_file); |
|
if ($contents && preg_match("/^\-\-\-[^-\n]+\-\-\- ".preg_quote($string, '/')."\n/m", $contents, $matches, PREG_OFFSET_CAPTURE)) { |
|
$findIndex = $matches[0][1]; |
|
if (preg_match("/\n/m", $contents, $matches, PREG_OFFSET_CAPTURE, $findIndex)) { |
|
$startIndex = $matches[0][1]+1; |
|
if (preg_match("/^\-\-\-[^-\n]+\-\-\- /m", $contents, $matches, PREG_OFFSET_CAPTURE, $startIndex)) { |
|
$stopIndex = $matches[0][1]; |
|
|
|
return substr($contents, $startIndex, $stopIndex-$startIndex ); |
|
} else { |
|
return substr($contents, $startIndex ); |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
|
return false; |
|
} |
|
|
|
/** |
|
* Find a system program, do also path checking when not running on WINNT |
|
* on WINNT we simply return the name with the exe extension to the program name |
|
* |
|
* @param string $strProgram name of the program |
|
* |
|
* @return string complete path and name of the program |
|
*/ |
|
private static function _findProgram($strProgram) |
|
{ |
|
$path_parts = pathinfo($strProgram); |
|
if (empty($path_parts['basename'])) { |
|
return; |
|
} |
|
$arrPath = array(); |
|
if ((PSI_OS == 'WINNT') && empty($path_parts['extension'])) { |
|
$strProgram .= '.exe'; |
|
$path_parts = pathinfo($strProgram); |
|
} |
|
if (empty($path_parts['dirname']) || ($path_parts['dirname'] == '.')) { |
|
if (PSI_OS == 'WINNT') { |
|
$arrPath = preg_split('/;/', getenv("Path"), -1, PREG_SPLIT_NO_EMPTY); |
|
} else { |
|
$arrPath = preg_split('/:/', getenv("PATH"), -1, PREG_SPLIT_NO_EMPTY); |
|
} |
|
} else { |
|
array_push($arrPath, $path_parts['dirname']); |
|
$strProgram = $path_parts['basename']; |
|
} |
|
if ( defined('PSI_ADD_PATHS') && is_string(PSI_ADD_PATHS) ) { |
|
if (preg_match(ARRAY_EXP, PSI_ADD_PATHS)) { |
|
$arrPath = array_merge(eval(PSI_ADD_PATHS), $arrPath); // In this order so $addpaths is before $arrPath when looking for a program |
|
} else { |
|
$arrPath = array_merge(array(PSI_ADD_PATHS), $arrPath); // In this order so $addpaths is before $arrPath when looking for a program |
|
} |
|
} |
|
//add some default paths if we still have no paths here |
|
if (empty($arrPath) && PSI_OS != 'WINNT') { |
|
if (PSI_OS == 'Android') { |
|
array_push($arrPath, '/system/bin'); |
|
} else { |
|
array_push($arrPath, '/bin', '/sbin', '/usr/bin', '/usr/sbin', '/usr/local/bin', '/usr/local/sbin'); |
|
} |
|
} |
|
// If open_basedir defined, fill the $open_basedir array with authorized paths,. (Not tested when no open_basedir restriction) |
|
if ((bool) ini_get('open_basedir')) { |
|
if (PSI_OS == 'WINNT') { |
|
$open_basedir = preg_split('/;/', ini_get('open_basedir'), -1, PREG_SPLIT_NO_EMPTY); |
|
} else { |
|
$open_basedir = preg_split('/:/', ini_get('open_basedir'), -1, PREG_SPLIT_NO_EMPTY); |
|
} |
|
} |
|
foreach ($arrPath as $strPath) { |
|
// Path with trailing slash |
|
if (PSI_OS == 'WINNT') { |
|
$strPathS = rtrim($strPath,"\\")."\\"; |
|
} else { |
|
$strPathS = rtrim($strPath,"/")."/"; |
|
} |
|
if (!((PSI_OS == 'Android') && ($strPath=='/system/bin')) //is_dir('/system/bin') Android patch |
|
&& !is_dir($strPath)) { |
|
continue; |
|
} |
|
// To avoid "open_basedir restriction in effect" error when testing paths if restriction is enabled |
|
if (isset($open_basedir)) { |
|
$inBaseDir = false; |
|
if (PSI_OS == 'WINNT') { |
|
foreach ($open_basedir as $openbasedir) { |
|
if (substr($openbasedir,-1)=="\\") { |
|
$str_Path = $strPathS; |
|
} else { |
|
$str_Path = $strPath; |
|
} |
|
if (stripos($str_Path, $openbasedir) === 0) { |
|
$inBaseDir = true; |
|
break; |
|
} |
|
} |
|
} else { |
|
foreach ($open_basedir as $openbasedir) { |
|
if (substr($openbasedir,-1)=="/") { |
|
$str_Path = $strPathS; |
|
} else { |
|
$str_Path = $strPath; |
|
} |
|
if (strpos($str_Path, $openbasedir) === 0) { |
|
$inBaseDir = true; |
|
break; |
|
} |
|
} |
|
} |
|
if ($inBaseDir == false) { |
|
continue; |
|
} |
|
} |
|
if (PSI_OS == 'WINNT') { |
|
$strProgrammpath = rtrim($strPath,"\\")."\\".$strProgram; |
|
} else { |
|
$strProgrammpath = rtrim($strPath,"/")."/".$strProgram; |
|
} |
|
if (is_executable($strProgrammpath)) { |
|
return $strProgrammpath; |
|
} |
|
} |
|
} |
|
|
|
/** |
|
* Execute a system program. return a trim()'d result. |
|
* does very crude pipe checking. you need ' | ' for it to work |
|
* ie $program = CommonFunctions::executeProgram('netstat', '-anp | grep LIST'); |
|
* NOT $program = CommonFunctions::executeProgram('netstat', '-anp|grep LIST'); |
|
* |
|
* @param string $strProgramname name of the program |
|
* @param string $strArgs arguments to the program |
|
* @param string &$strBuffer output of the command |
|
* @param boolean $booErrorRep en- or disables the reporting of errors which should be logged |
|
* |
|
* @return boolean command successfull or not |
|
*/ |
|
public static function executeProgram($strProgramname, $strArgs, &$strBuffer, $booErrorRep = true) |
|
{ |
|
if (defined('PSI_LOG') && is_string(PSI_LOG) && (strlen(PSI_LOG)>0) && ((substr(PSI_LOG, 0, 1)=="-") || (substr(PSI_LOG, 0, 1)=="+"))) { |
|
$out = self::_parse_log_file("Executing: ".trim($strProgramname.' '.$strArgs)); |
|
if ($out == false) { |
|
if (substr(PSI_LOG, 0, 1)=="-") { |
|
$strBuffer = ''; |
|
|
|
return false; |
|
} |
|
} else { |
|
$strBuffer = $out; |
|
|
|
return true; |
|
} |
|
} |
|
|
|
$strBuffer = ''; |
|
$strError = ''; |
|
$pipes = array(); |
|
$strProgram = self::_findProgram($strProgramname); |
|
$error = Error::singleton(); |
|
if (!$strProgram) { |
|
if ($booErrorRep) { |
|
$error->addError('find_program('.$strProgramname.')', 'program not found on the machine'); |
|
} |
|
|
|
return false; |
|
} |
|
// see if we've gotten a |, if we have we need to do path checking on the cmd |
|
if ($strArgs) { |
|
$arrArgs = preg_split('/ /', $strArgs, -1, PREG_SPLIT_NO_EMPTY); |
|
for ($i = 0, $cnt_args = count($arrArgs); $i < $cnt_args; $i++) { |
|
if ($arrArgs[$i] == '|') { |
|
$strCmd = $arrArgs[$i + 1]; |
|
$strNewcmd = self::_findProgram($strCmd); |
|
$strArgs = preg_replace("/\| ".$strCmd.'/', "| ".$strNewcmd, $strArgs); |
|
} |
|
} |
|
} |
|
$descriptorspec = array(0=>array("pipe", "r"), 1=>array("pipe", "w"), 2=>array("pipe", "w")); |
|
if (defined("PSI_MODE_POPEN") && PSI_MODE_POPEN === true) { |
|
$process = $pipes[1] = popen($strProgram." ".$strArgs." 2>/dev/null", "r"); |
|
} else { |
|
$process = proc_open($strProgram." ".$strArgs, $descriptorspec, $pipes); |
|
} |
|
if (is_resource($process)) { |
|
self::_timeoutfgets($pipes, $strBuffer, $strError); |
|
if (defined("PSI_MODE_POPEN") && PSI_MODE_POPEN === true) { |
|
$return_value = pclose($pipes[1]); |
|
} else { |
|
fclose($pipes[0]); |
|
fclose($pipes[1]); |
|
fclose($pipes[2]); |
|
// It is important that you close any pipes before calling |
|
// proc_close in order to avoid a deadlock |
|
$return_value = proc_close($process); |
|
} |
|
} else { |
|
if ($booErrorRep) { |
|
$error->addError($strProgram, "\nOpen process error"); |
|
} |
|
|
|
return false; |
|
} |
|
$strError = trim($strError); |
|
$strBuffer = trim($strBuffer); |
|
if (defined('PSI_LOG') && is_string(PSI_LOG) && (strlen(PSI_LOG)>0) && (substr(PSI_LOG, 0, 1)!="-") && (substr(PSI_LOG, 0, 1)!="+")) { |
|
error_log("---".gmdate('r T')."--- Executing: ".trim($strProgramname.' '.$strArgs)."\n".$strBuffer."\n", 3, PSI_LOG); |
|
} |
|
if (! empty($strError)) { |
|
if ($booErrorRep) { |
|
$error->addError($strProgram, $strError."\nReturn value: ".$return_value); |
|
} |
|
|
|
return $return_value == 0; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
/** |
|
* read a file and return the content as a string |
|
* |
|
* @param string $strFileName name of the file which should be read |
|
* @param string &$strRet content of the file (reference) |
|
* @param integer $intLines control how many lines should be read |
|
* @param integer $intBytes control how many bytes of each line should be read |
|
* @param boolean $booErrorRep en- or disables the reporting of errors which should be logged |
|
* |
|
* @return boolean command successfull or not |
|
*/ |
|
public static function rfts($strFileName, &$strRet, $intLines = 0, $intBytes = 4096, $booErrorRep = true) |
|
{ |
|
if (defined('PSI_LOG') && is_string(PSI_LOG) && (strlen(PSI_LOG)>0) && ((substr(PSI_LOG, 0, 1)=="-") || (substr(PSI_LOG, 0, 1)=="+"))) { |
|
$out = self::_parse_log_file("Reading: ".$strFileName); |
|
if ($out == false) { |
|
if (substr(PSI_LOG, 0, 1)=="-") { |
|
$strRet = ''; |
|
|
|
return false; |
|
} |
|
} else { |
|
$strRet = $out; |
|
|
|
return true; |
|
} |
|
} |
|
|
|
$strFile = ""; |
|
$intCurLine = 1; |
|
$error = Error::singleton(); |
|
if (file_exists($strFileName)) { |
|
if (is_readable($strFileName)) { |
|
if ($fd = fopen($strFileName, 'r')) { |
|
while (!feof($fd)) { |
|
$strFile .= fgets($fd, $intBytes); |
|
if ($intLines <= $intCurLine && $intLines != 0) { |
|
break; |
|
} else { |
|
$intCurLine++; |
|
} |
|
} |
|
fclose($fd); |
|
$strRet = $strFile; |
|
if (defined('PSI_LOG') && is_string(PSI_LOG) && (strlen(PSI_LOG)>0) && (substr(PSI_LOG, 0, 1)!="-") && (substr(PSI_LOG, 0, 1)!="+")) { |
|
error_log("---".gmdate('r T')."--- Reading: ".$strFileName."\n".$strRet, 3, PSI_LOG); |
|
} |
|
} else { |
|
if ($booErrorRep) { |
|
$error->addError('fopen('.$strFileName.')', 'file can not read by phpsysinfo'); |
|
} |
|
|
|
return false; |
|
} |
|
} else { |
|
if ($booErrorRep) { |
|
$error->addError('fopen('.$strFileName.')', 'file permission error'); |
|
} |
|
|
|
return false; |
|
} |
|
} else { |
|
if ($booErrorRep) { |
|
$error->addError('file_exists('.$strFileName.')', 'the file does not exist on your machine'); |
|
} |
|
|
|
return false; |
|
} |
|
|
|
return true; |
|
} |
|
|
|
/** |
|
* file exists |
|
* |
|
* @param string $strFileName name of the file which should be check |
|
* |
|
* @return boolean command successfull or not |
|
*/ |
|
public static function fileexists($strFileName) |
|
{ |
|
if (defined('PSI_LOG') && is_string(PSI_LOG) && (strlen(PSI_LOG)>0) && ((substr(PSI_LOG, 0, 1)=="-") || (substr(PSI_LOG, 0, 1)=="+"))) { |
|
$log_file = substr(PSI_LOG, 1); |
|
if (file_exists($log_file) |
|
&& ($contents = @file_get_contents($log_file)) |
|
&& preg_match("/^\-\-\-[^-\n]+\-\-\- ".preg_quote("Reading: ".$strFileName, '/')."\n/m", $contents)) { |
|
return true; |
|
} else { |
|
if (substr(PSI_LOG, 0, 1)=="-") { |
|
return false; |
|
} |
|
} |
|
} |
|
|
|
return file_exists($strFileName); |
|
} |
|
|
|
/** |
|
* reads a directory and return the name of the files and directorys in it |
|
* |
|
* @param string $strPath path of the directory which should be read |
|
* @param boolean $booErrorRep en- or disables the reporting of errors which should be logged |
|
* |
|
* @return array content of the directory excluding . and .. |
|
*/ |
|
public static function gdc($strPath, $booErrorRep = true) |
|
{ |
|
$arrDirectoryContent = array(); |
|
$error = Error::singleton(); |
|
if (is_dir($strPath)) { |
|
if ($handle = opendir($strPath)) { |
|
while (($strFile = readdir($handle)) !== false) { |
|
if ($strFile != "." && $strFile != "..") { |
|
$arrDirectoryContent[] = $strFile; |
|
} |
|
} |
|
closedir($handle); |
|
} else { |
|
if ($booErrorRep) { |
|
$error->addError('opendir('.$strPath.')', 'directory can not be read by phpsysinfo'); |
|
} |
|
} |
|
} else { |
|
if ($booErrorRep) { |
|
$error->addError('is_dir('.$strPath.')', 'directory does not exist on your machine'); |
|
} |
|
} |
|
|
|
return $arrDirectoryContent; |
|
} |
|
|
|
/** |
|
* Check for needed php extensions |
|
* |
|
* We need that extensions for almost everything |
|
* This function will return a hard coded |
|
* XML string (with headers) if the SimpleXML extension isn't loaded. |
|
* Then it will terminate the script. |
|
* See bug #1787137 |
|
* |
|
* @param array $arrExt additional extensions for which a check should run |
|
* |
|
* @return void |
|
*/ |
|
public static function checkForExtensions($arrExt = array()) |
|
{ |
|
if ((strcasecmp(PSI_SYSTEM_CODEPAGE,"UTF-8") == 0) || (strcasecmp(PSI_SYSTEM_CODEPAGE,"CP437") == 0)) |
|
$arrReq = array('simplexml', 'pcre', 'xml', 'dom'); |
|
elseif (PSI_OS == "WINNT") |
|
$arrReq = array('simplexml', 'pcre', 'xml', 'mbstring', 'dom', 'com_dotnet'); |
|
else |
|
$arrReq = array('simplexml', 'pcre', 'xml', 'mbstring', 'dom'); |
|
$extensions = array_merge($arrExt, $arrReq); |
|
$text = ""; |
|
$error = false; |
|
$text .= "<?xml version='1.0'?>\n"; |
|
$text .= "<phpsysinfo>\n"; |
|
$text .= " <Error>\n"; |
|
foreach ($extensions as $extension) { |
|
if (!extension_loaded($extension)) { |
|
$text .= " <Function>checkForExtensions</Function>\n"; |
|
$text .= " <Message>phpSysInfo requires the ".$extension." extension to php in order to work properly.</Message>\n"; |
|
$error = true; |
|
} |
|
} |
|
$text .= " </Error>\n"; |
|
$text .= "</phpsysinfo>"; |
|
if ($error) { |
|
header("Content-Type: text/xml\n\n"); |
|
echo $text; |
|
die(); |
|
} |
|
} |
|
|
|
/** |
|
* get the content of stdout/stderr with the option to set a timeout for reading |
|
* |
|
* @param array $pipes array of file pointers for stdin, stdout, stderr (proc_open()) |
|
* @param string &$out target string for the output message (reference) |
|
* @param string &$err target string for the error message (reference) |
|
* @param integer $timeout timeout value in seconds (default value is 30) |
|
* |
|
* @return void |
|
*/ |
|
private static function _timeoutfgets($pipes, &$out, &$err, $timeout = 30) |
|
{ |
|
$w = NULL; |
|
$e = NULL; |
|
|
|
if (defined("PSI_MODE_POPEN") && PSI_MODE_POPEN === true) { |
|
$pipe2 = false; |
|
} else { |
|
$pipe2 = true; |
|
} |
|
while (!(feof($pipes[1]) || ($pipe2 && feof($pipes[2])))) { |
|
if ($pipe2) { |
|
$read = array($pipes[1], $pipes[2]); |
|
} else { |
|
$read = array($pipes[1]); |
|
} |
|
|
|
$n = stream_select($read, $w, $e, $timeout); |
|
|
|
if ($n === FALSE) { |
|
error_log('stream_select: failed !'); |
|
break; |
|
} elseif ($n === 0) { |
|
error_log('stream_select: timeout expired !'); |
|
break; |
|
} |
|
|
|
foreach ($read as $r) { |
|
if ($r == $pipes[1]) { |
|
$out .= fread($r, 4096); |
|
} |
|
if ($pipe2 && ($r == $pipes[2])) { |
|
$err .= fread($r, 4096); |
|
} |
|
} |
|
} |
|
} |
|
|
|
/** |
|
* function for getting a list of values in the specified context |
|
* optionally filter this list, based on the list from third parameter |
|
* |
|
* @param $wmi holds the COM object that we pull the WMI data from |
|
* @param string $strClass name of the class where the values are stored |
|
* @param array $strValue filter out only needed values, if not set all values of the class are returned |
|
* |
|
* @return array content of the class stored in an array |
|
*/ |
|
public static function getWMI($wmi, $strClass, $strValue = array()) |
|
{ |
|
$arrData = array(); |
|
if ($wmi) { |
|
$value = ""; |
|
try { |
|
$objWEBM = $wmi->Get($strClass); |
|
$arrProp = $objWEBM->Properties_; |
|
$arrWEBMCol = $objWEBM->Instances_(); |
|
foreach ($arrWEBMCol as $objItem) { |
|
if (is_array($arrProp)) { |
|
reset($arrProp); |
|
} |
|
$arrInstance = array(); |
|
foreach ($arrProp as $propItem) { |
|
eval("\$value = \$objItem->".$propItem->Name.";"); |
|
if ( empty($strValue)) { |
|
if (is_string($value)) $arrInstance[$propItem->Name] = trim($value); |
|
else $arrInstance[$propItem->Name] = $value; |
|
} else { |
|
if (in_array($propItem->Name, $strValue)) { |
|
if (is_string($value)) $arrInstance[$propItem->Name] = trim($value); |
|
else $arrInstance[$propItem->Name] = $value; |
|
} |
|
} |
|
} |
|
$arrData[] = $arrInstance; |
|
} |
|
} catch (Exception $e) { |
|
if (PSI_DEBUG) { |
|
$this->error->addError($e->getCode(), $e->getMessage()); |
|
} |
|
} |
|
} |
|
|
|
return $arrData; |
|
} |
|
|
|
/** |
|
* get all configured plugins from config.php (file must be included before calling this function) |
|
* |
|
* @return array |
|
*/ |
|
public static function getPlugins() |
|
{ |
|
if ( defined('PSI_PLUGINS') && is_string(PSI_PLUGINS) ) { |
|
if (preg_match(ARRAY_EXP, PSI_PLUGINS)) { |
|
return eval(strtolower(PSI_PLUGINS)); |
|
} else { |
|
return array(strtolower(PSI_PLUGINS)); |
|
} |
|
} else { |
|
return array(); |
|
} |
|
} |
|
}
|
|
|