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|
<?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 2, or (at your option) any later version
* @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 2, or (at your option) any later version
* @version Release: 3.0
* @link http://phpsysinfo.sourceforge.net
*/
class CommonFunctions
{
/**
* holds dmi memory data
*
* @var array
*/
private static $_dmimd = null;
private static function _parse_log_file($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 ($contents && preg_match("/^\-\-\-[^-\r\n]+\-\-\- ".preg_quote($string, '/')."\r?\n/m", $contents, $matches, PREG_OFFSET_CAPTURE)) {
$findIndex = $matches[0][1];
if (preg_match("/\r?\n/m", $contents, $matches, PREG_OFFSET_CAPTURE, $findIndex)) {
$startIndex = $matches[0][1]+1;
if (preg_match("/^\-\-\-[^-\r\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 $strProgram name of the program
*
* @return string|null complete path and name of the program
*/
public static function _findProgram($strProgram)
{
$path_parts = pathinfo($strProgram);
if (empty($path_parts['basename'])) {
return null;
}
$arrPath = array();
if (empty($path_parts['dirname']) || ($path_parts['dirname'] == '.')) {
if ((PSI_OS == 'WINNT') && empty($path_parts['extension'])) {
$strProgram .= '.exe';
$path_parts = pathinfo($strProgram);
}
if (PSI_OS == 'WINNT') {
if (self::readenv('Path', $serverpath)) {
$arrPath = preg_split('/;/', $serverpath, -1, PREG_SPLIT_NO_EMPTY);
}
} else {
if (self::readenv('PATH', $serverpath)) {
$arrPath = preg_split('/:/', $serverpath, -1, PREG_SPLIT_NO_EMPTY);
}
}
if (defined('PSI_UNAMEO') && (PSI_UNAMEO === 'Android') && !empty($arrPath)) {
array_push($arrPath, '/system/bin'); // Termux patch
}
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 $arrPath when looking for a program
}
}
} else { //directory defined
array_push($arrPath, $path_parts['dirname']);
$strProgram = $path_parts['basename'];
}
//add some default paths if we still have no paths here
if (empty($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');
}
}
$exceptPath = "";
if ((PSI_OS == 'WINNT') && self::readenv('WinDir', $windir)) {
foreach ($arrPath as $strPath) {
if ((strtolower($strPath) == strtolower($windir)."\\system32") && is_dir($windir."\\SysWOW64")) {
if (is_dir($windir."\\sysnative\\drivers")) { // or strlen(decbin(~0)) == 32; is_dir($windir."\\sysnative") sometimes does not work
$exceptPath = $windir."\\sysnative"; //32-bit PHP on 64-bit Windows
} else {
$exceptPath = $windir."\\SysWOW64"; //64-bit PHP on 64-bit Windows
}
array_push($arrPath, $exceptPath);
break;
}
}
} elseif (PSI_OS == 'Android') {
$exceptPath = '/system/bin';
}
foreach ($arrPath as $strPath) {
// Path with and without trailing slash
if (PSI_OS == 'WINNT') {
$strPath = rtrim($strPath, "\\");
$strPathS = $strPath."\\";
} else {
$strPath = rtrim($strPath, "/");
$strPathS = $strPath."/";
}
if (($strPath !== $exceptPath) && !is_dir($strPath)) {
continue;
}
$strProgrammpath = $strPathS.$strProgram;
if (is_executable($strProgrammpath) || ((PSI_OS == 'WINNT') && (strtolower($path_parts['extension']) == 'py') && is_file($strProgrammpath))) {
return $strProgrammpath;
}
}
return null;
}
/**
* Execute a system program. return a trim()'d result.
* does very crude pipe and multiple commands (on WinNT) checking. you need ' | ' or ' & ' 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 $strArguments arguments to the program
* @param string &$strBuffer output of the command
* @param boolean $booErrorRep en- or disables the reporting of errors which should be logged
* @param int $timeout timeout value in seconds (default value is PSI_EXEC_TIMEOUT_INT)
*
* @return boolean command successfull or not
*/
public static function executeProgram($strProgramname, $strArguments, &$strBuffer, $booErrorRep = true, $timeout = PSI_EXEC_TIMEOUT_INT, $separator = '')
{
if (PSI_ROOT_FILESYSTEM !== '') { // disabled if ROOTFS defined
return false;
}
if ((PSI_OS != 'WINNT') && preg_match('/^([^=]+=[^ \t]+)[ \t]+(.*)$/', $strProgramname, $strmatch)) {
$strSet = $strmatch[1].' ';
$strProgramname = $strmatch[2];
} else {
$strSet = '';
}
$strAll = trim($strSet.$strProgramname.' '.$strArguments);
if (defined('PSI_LOG') && is_string(PSI_LOG) && (strlen(PSI_LOG)>0) && ((substr(PSI_LOG, 0, 1)=="-") || (substr(PSI_LOG, 0, 1)=="+"))) {
$out = self::_parse_log_file("Executing: ".$strAll);
if ($out == false) {
if (substr(PSI_LOG, 0, 1)=="-") {
$strBuffer = '';
return false;
}
} else {
$strBuffer = $out;
return true;
}
}
$PathStr = '';
if (defined('PSI_EMU_PORT') && !in_array($strProgramname, array('ping', 'snmpwalk'))) {
if (defined('PSI_SUDO_COMMANDS') && is_string(PSI_SUDO_COMMANDS)) {
if (preg_match(ARRAY_EXP, PSI_SUDO_COMMANDS)) {
$sudocommands = eval(PSI_SUDO_COMMANDS);
} else {
$sudocommands = array(PSI_SUDO_COMMANDS);
}
if (in_array($strProgramname, $sudocommands)) {
$strAll = 'sudo '.$strAll;
}
}
$strSet = '';
$strProgramname = 'sshpass';
$strOptions = '';
if (defined('PSI_EMU_ADD_OPTIONS') && is_string(PSI_EMU_ADD_OPTIONS)) {
if (preg_match(ARRAY_EXP, PSI_EMU_ADD_OPTIONS)) {
$arrParams = eval(PSI_EMU_ADD_OPTIONS);
} else {
$arrParams = array(PSI_EMU_ADD_OPTIONS);
}
foreach ($arrParams as $Params) if (preg_match('/(\S+)\s*\=\s*(\S+)/', $Params, $obuf)) {
$strOptions = $strOptions.'-o '.$obuf[1].'='.$obuf[2].' ';
}
}
if (defined('PSI_EMU_ADD_PATHS') && is_string(PSI_EMU_ADD_PATHS)) {
if (preg_match(ARRAY_EXP, PSI_EMU_ADD_PATHS)) {
$arrPath = eval(PSI_EMU_ADD_PATHS);
} else {
$arrPath = array(PSI_EMU_ADD_PATHS);
}
foreach ($arrPath as $Path) {
if ($PathStr === '') {
$PathStr = $Path;
} else {
$PathStr = $PathStr.':'.$Path;
}
}
if ($separator === '') {
$strArguments = '-e ssh -Tq '.$strOptions.'-o ConnectTimeout='.$timeout.' -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null '.PSI_EMU_USER.'@'.PSI_EMU_HOSTNAME.' -p '.PSI_EMU_PORT.' "PATH=\''.$PathStr.':$PATH\' '.$strAll.'"' ;
} else {
$strArguments = '-e ssh -Tq '.$strOptions.'-o ConnectTimeout='.$timeout.' -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null '.PSI_EMU_USER.'@'.PSI_EMU_HOSTNAME.' -p '.PSI_EMU_PORT;
}
} else {
if ($separator === '') {
$strArguments = '-e ssh -Tq '.$strOptions.'-o ConnectTimeout='.$timeout.' -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null '.PSI_EMU_USER.'@'.PSI_EMU_HOSTNAME.' -p '.PSI_EMU_PORT.' "'.$strAll.'"' ;
} else {
$strArguments = '-e ssh -Tq '.$strOptions.'-o ConnectTimeout='.$timeout.' -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null '.PSI_EMU_USER.'@'.PSI_EMU_HOSTNAME.' -p '.PSI_EMU_PORT;
}
}
$externally = true;
} else {
$externally = false;
}
$strProgram = self::_findProgram($strProgramname);
$error = PSI_Error::singleton();
if (!$strProgram) {
if ($booErrorRep || $externally) {
$error->addError('find_program("'.$strProgramname.'")', 'program not found on the machine');
}
return false;
} else {
if (preg_match('/\s/', $strProgram)) {
$strProgram = '"'.$strProgram.'"';
}
}
if ((PSI_OS != 'WINNT') && !defined('PSI_EMU_HOSTNAME') && defined('PSI_SUDO_COMMANDS') && is_string(PSI_SUDO_COMMANDS)) {
if (preg_match(ARRAY_EXP, PSI_SUDO_COMMANDS)) {
$sudocommands = eval(PSI_SUDO_COMMANDS);
} else {
$sudocommands = array(PSI_SUDO_COMMANDS);
}
if (in_array($strProgramname, $sudocommands)) {
$sudoProgram = self::_findProgram("sudo");
if (!$sudoProgram) {
$error->addError('find_program("sudo")', 'program not found on the machine');
return false;
} else {
if (preg_match('/\s/', $sudoProgram)) {
$strProgram = '"'.$sudoProgram.'" '.$strProgram;
} else {
$strProgram = $sudoProgram.' '.$strProgram;
}
}
}
}
$strArgs = $strArguments;
// see if we've gotten a | or &, if we have we need to do path checking on the cmd
if ($strArgs) {
$arrArgs = preg_split('/ /', $strArgs, -1, PREG_SPLIT_NO_EMPTY);
for ($i = 0, $cnt_args = count($arrArgs); $i < $cnt_args; $i++) {
if (($arrArgs[$i] == '|') || ($arrArgs[$i] == '&')) {
$strCmd = $arrArgs[$i + 1];
$strNewcmd = self::_findProgram($strCmd);
if (!$strNewcmd) {
if ($booErrorRep || $externally) {
$error->addError('find_program("'.$strCmd.'")', 'program not found on the machine');
}
return false;
}
if (preg_match('/\s/', $strNewcmd)) {
if ($arrArgs[$i] == '|') {
$strArgs = preg_replace('/\| '.$strCmd.'/', '| "'.$strNewcmd.'"', $strArgs);
} else {
$strArgs = preg_replace('/& '.$strCmd.'/', '& "'.$strNewcmd.'"', $strArgs);
}
} else {
if ($arrArgs[$i] == '|') {
$strArgs = preg_replace('/\| '.$strCmd.'/', '| '.$strNewcmd, $strArgs);
} else {
$strArgs = preg_replace('/& '.$strCmd.'/', '& '.$strNewcmd, $strArgs);
}
}
}
}
$strArgs = ' '.$strArgs;
}
$strBuffer = '';
$strError = '';
$pipes = array();
$descriptorspec = array(0=>array("pipe", "r"), 1=>array("pipe", "w"), 2=>array("pipe", "w"));
if ($externally) {
putenv('SSHPASS='.PSI_EMU_PASSWORD);
}
if (defined("PSI_MODE_POPEN") && PSI_MODE_POPEN) {
if ($separator !== '') {
$error->addError('executeProgram', 'wrong execution mode');
return false;
}
if (PSI_OS == 'WINNT') {
$process = $pipes[1] = popen($strSet.$strProgram.$strArgs." 2>nul", "r");
} else {
$process = $pipes[1] = popen($strSet.$strProgram.$strArgs." 2>/dev/null", "r");
}
} else {
$process = proc_open($strSet.$strProgram.$strArgs, $descriptorspec, $pipes);
if ($separator !== '') {
if ($PathStr === '') {
fwrite($pipes[0], $strAll."\n "); // spaces at end for handling 'more'
} else {
fwrite($pipes[0], 'PATH=\''.$PathStr.':$PATH\' '.$strAll."\n");
}
}
}
if ($externally) {
putenv('SSHPASS');
}
if (is_resource($process)) {
$te = self::_timeoutfgets($pipes, $strBuffer, $strError, $timeout, $separator);
if (defined("PSI_MODE_POPEN") && PSI_MODE_POPEN) {
$return_value = pclose($pipes[1]);
} else {
fclose($pipes[0]);
fclose($pipes[1]);
fclose($pipes[2]);
// It is important that you close any pipes before calling
// proc_close in order to avoid a deadlock
if ($te) {
proc_terminate($process); // proc_close tends to hang if the process is timing out
$return_value = 0;
} else {
$return_value = proc_close($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: ".$strAll."\n".$strBuffer."\n", 3, PSI_LOG);
}
if (! empty($strError)) {
if ($booErrorRep) {
$error->addError($strProgram, $strError."\nReturn value: ".$return_value);
}
return $return_value == 0;
}
return true;
}
/**
* read a one-line value from a file with a similar name
*
* @return value if successfull or null if not
*/
public static function rolv($similarFileName, $match = "//", $replace = "")
{
if (defined('PSI_EMU_PORT')) {
return null;
}
$filename = preg_replace($match, $replace, $similarFileName);
if (self::fileexists($filename) && self::rfts($filename, $buf, 1, 4096, false) && (($buf=trim($buf)) != "")) {
return $buf;
} else {
return null;
}
}
/**
* read data from array $_SERVER
*
* @param string $strElem element of array
* @param string &$strBuffer output of the command
*
* @return string
*/
public static function readenv($strElem, &$strBuffer)
{
$strBuffer = '';
if (PSI_OS == 'WINNT') { //case insensitive
if (isset($_SERVER)) {
foreach ($_SERVER as $index=>$value) {
if (is_string($value) && (trim($value) !== '') && (strtolower($index) === strtolower($strElem))) {
$strBuffer = $value;
return true;
}
}
}
} else {
if (isset($_SERVER[$strElem]) && is_string($value = $_SERVER[$strElem]) && (trim($value) !== '')) {
$strBuffer = $value;
return true;
}
}
return false;
}
/**
* 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 int $intLines control how many lines should be read
* @param int $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_EMU_PORT')) {
return false;
}
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;
}
}
if (PSI_ROOT_FILESYSTEM !== '') {
$rfsinfo = "[".PSI_ROOT_FILESYSTEM."]";
} else {
$rfsinfo = '';
}
$strFile = "";
$intCurLine = 1;
$error = PSI_Error::singleton();
if (file_exists(PSI_ROOT_FILESYSTEM.$strFileName)) {
if (is_readable(PSI_ROOT_FILESYSTEM.$strFileName)) {
if ($fd = fopen(PSI_ROOT_FILESYSTEM.$strFileName, 'r')) {
while (!feof($fd)) {
$strFile .= fgets($fd, $intBytes);
if ($intLines <= $intCurLine && $intLines != 0) {
break;
} else {
$intCurLine++;
}
}
fclose($fd);
$strRet = $strFile;
if (defined('PSI_LOG') && is_string(PSI_LOG) && (strlen(PSI_LOG)>0) && (substr(PSI_LOG, 0, 1)!="-") && (substr(PSI_LOG, 0, 1)!="+")) {
if ((strlen($strRet)>0)&&(substr($strRet, -1)!="\n")) {
error_log("---".gmdate('r T')."--- Reading: ".$strFileName."\n".$strRet."\n", 3, PSI_LOG);
} else {
error_log("---".gmdate('r T')."--- Reading: ".$strFileName."\n".$strRet, 3, PSI_LOG);
}
}
} else {
if ($booErrorRep) {
$error->addError('fopen('.$rfsinfo.$strFileName.')', 'file can not read by phpsysinfo');
}
return false;
}
} else {
if ($booErrorRep) {
$error->addError('fopen('.$rfsinfo.$strFileName.')', 'file permission error');
}
return false;
}
} else {
if ($booErrorRep) {
$error->addError('file_exists('.$rfsinfo.$strFileName.')', 'the file does not exist on your machine');
}
return false;
}
return true;
}
/**
* read a data file and return the content as a string
*
* @param string $strDataFileName name of the data file which should be read
* @param string &$strRet content of the data file (reference)
*
* @return boolean command successfull or not
*/
public static function rftsdata($strDataFileName, &$strRet)
{
$strFile = "";
$strFileName = PSI_APP_ROOT."/data/".$strDataFileName;
$error = PSI_Error::singleton();
if (file_exists($strFileName)) {
if (is_readable($strFileName)) {
if ($fd = fopen($strFileName, 'r')) {
while (!feof($fd)) {
$strFile .= fgets($fd, 4096);
}
fclose($fd);
$strRet = $strFile;
} else {
$error->addError('fopen('.$strFileName.')', 'file can not read by phpsysinfo');
return false;
}
} else {
$error->addError('fopen('.$strFileName.')', 'file permission error');
return false;
}
} else {
$error->addError('file_exists('.$strFileName.')', 'the file does not exist on your machine');
return false;
}
return true;
}
/**
* Find pathnames matching a pattern
*
* @param string $pattern the pattern. No tilde expansion or parameter substitution is done.
* @param int $flags
*
* @return an array containing the matched files/directories, an empty array if no file matched or false on error
*/
public static function findglob($pattern, $flags = 0)
{
if (defined('PSI_EMU_PORT')) {
return false;
}
$outarr = glob(PSI_ROOT_FILESYSTEM.$pattern, $flags);
if (PSI_ROOT_FILESYSTEM == '') {
return $outarr;
} elseif ($outarr === false) {
return false;
} else {
$len = strlen(PSI_ROOT_FILESYSTEM);
$newoutarr = array();
foreach ($outarr as $out) {
$newoutarr[] = substr($out, $len); // path without ROOTFS
}
return $newoutarr;
}
}
/**
* 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_EMU_PORT')) {
return false;
}
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;
}
}
}
$exists = file_exists(PSI_ROOT_FILESYSTEM.$strFileName);
if (defined('PSI_LOG') && is_string(PSI_LOG) && (strlen(PSI_LOG)>0) && (substr(PSI_LOG, 0, 1)!="-") && (substr(PSI_LOG, 0, 1)!="+")) {
if ((substr($strFileName, 0, 5) === "/dev/") && $exists) {
error_log("---".gmdate('r T')."--- Reading: ".$strFileName."\ndevice exists\n", 3, PSI_LOG);
}
}
return $exists;
}
/**
* 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();
$error = PSI_Error::singleton();
if (is_dir($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 (defined('PSI_SYSTEM_CODEPAGE') && (PSI_SYSTEM_CODEPAGE !== null) && ((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', 'dom', 'mbstring', 'com_dotnet');
else
$arrReq = array('simplexml', 'pcre', 'xml', 'dom', 'mbstring');
$extensions = array_merge($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');
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 int $timeout timeout value in seconds
*
* @return boolean timeout expired or not
*/
private static function _timeoutfgets($pipes, &$out, &$err, $timeout, $separator = '')
{
$w = null;
$e = null;
$te = false;
if (defined("PSI_MODE_POPEN") && PSI_MODE_POPEN) {
$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 ($n === 0) {
error_log('stream_select: timeout expired !');
// if ($separator !== '') {
// fwrite($pipes[0], "q");
// }
$te = true;
break;
}
foreach ($read as $r) {
if ($r == $pipes[1]) {
$out .= fread($r, 4096);
} elseif (feof($pipes[1]) && $pipe2 && ($r == $pipes[2])) {//read STDERR after STDOUT
$err .= fread($r, 4096);
}
}
// if (($separator !== '') && preg_match('/'.$separator.'[^'.$separator.']+'.$separator.'/', $out)) {
if (($separator !== '') && preg_match('/'.$separator.'[\s\S]+'.$separator.'/', $out)) {
fwrite($pipes[0], "quit\n");
$separator = ''; //only one time
// $te = true;
// break;
}
}
return $te;
}
/**
* get all configured plugins from phpsysinfo.ini (file must be included and processed before calling this function)
*
* @return array
*/
public static function getPlugins()
{
if (defined('PSI_PLUGINS') && is_string(PSI_PLUGINS)) {
if (preg_match(ARRAY_EXP, PSI_PLUGINS)) {
return eval(strtolower(PSI_PLUGINS));
} else {
return array(strtolower(PSI_PLUGINS));
}
} else {
return array();
}
}
/**
* name natural compare function
*
* @return comprasion result
*/
public static function name_natural_compare($a, $b)
{
return strnatcmp($a->getName(), $b->getName());
}
/**
* get virtualizer from dmi data
*
* @return string|null
*/
public static function decodevirtualizer($vendor_data)
{
if (gettype($vendor_data) === "array") {
$vendarray = array(
'KVM' => 'kvm', // KVM
'OpenStack' => 'kvm', // Detect OpenStack instance as KVM in non x86 architecture
'KubeVirt' => 'kvm', // Detect KubeVirt instance as KVM in non x86 architecture
'Amazon EC2' => 'amazon', // Amazon EC2 Nitro using Linux KVM
'QEMU' => 'qemu', // QEMU
'VMware' => 'vmware', // VMware https://kb.vmware.com/s/article/1009458
'VMW' => 'vmware',
'innotek GmbH' => 'oracle', // Oracle VM VirtualBox
'VirtualBox' => 'oracle',
'Xen' => 'xen', // Xen hypervisor
'Bochs' => 'bochs', // Bochs
'Parallels' => 'parallels', // Parallels
// https://wiki.freebsd.org/bhyve
'BHYVE' => 'bhyve', // bhyve
'Hyper-V' => 'microsoft', // Hyper-V
'Apple Virtualization' => 'apple', // Apple Virtualization.framework guests
'Microsoft Corporation Virtual Machine' => 'microsoft' // Hyper-V
);
for ($i = 0; $i < count($vendor_data); $i++) {
foreach ($vendarray as $vend=>$virt) {
if (preg_match('/^'.$vend.'/', $vendor_data[$i])) {
return $virt;
}
}
}
} elseif (gettype($vendor_data) === "string") {
$vidarray = array(
'bhyvebhyve' => 'bhyve', // bhyve
'KVMKVMKVM' => 'kvm', // KVM
'LinuxKVMHv' => 'hv-kvm', // KVM (KVM + HyperV Enlightenments)
'MicrosoftHv' => 'microsoft', // Hyper-V
'lrpepyhvr' => 'parallels', // Parallels
'UnisysSpar64' => 'spar', // Unisys sPar
'VMwareVMware' => 'vmware', // VMware
'XenVMMXenVMM' => 'xen', // Xen hypervisor
'ACRNACRNACRN' => 'acrn', // ACRN hypervisor
'TCGTCGTCGTCG' => 'qemu', // QEMU
'QNXQVMBSQG' => 'qnx', // QNX hypervisor
'VBoxVBoxVBox' => 'oracle', // Oracle VM VirtualBox
'SRESRESRESRE' => 'sre' // LMHS SRE hypervisor
);
$shortvendorid = trim(preg_replace('/[\s!\.]/', '', $vendor_data));
if (($shortvendorid !== "") && isset($vidarray[$shortvendorid])) {
return $vidarray[$shortvendorid];
}
}
return null;
}
/**
* readdmimemdata function
*
* @return array
*/
public static function readdmimemdata()
{
if ((PSI_OS != 'WINNT') && (!defined('PSI_EMU_HOSTNAME') || defined('PSI_EMU_PORT')) && (self::$_dmimd === null)) {
self::$_dmimd = array();
$buffer = '';
if (defined('PSI_DMIDECODE_ACCESS') && (strtolower(PSI_DMIDECODE_ACCESS)==='data')) {
self::rftsdata('dmidecode.tmp', $buffer);
} elseif (self::_findProgram('dmidecode')) {
self::executeProgram('dmidecode', '-t 17', $buffer, PSI_DEBUG);
}
if (!empty($buffer)) {
$banks = preg_split('/^(?=Handle\s)/m', $buffer, -1, PREG_SPLIT_NO_EMPTY);
foreach ($banks as $bank) if (preg_match('/^Handle\s/', $bank)) {
$lines = preg_split("/\n/", $bank, -1, PREG_SPLIT_NO_EMPTY);
$mem = array();
foreach ($lines as $line) if (preg_match('/^\s+([^:]+):(.+)/', $line, $params)) {
if (preg_match('/^0x([A-F\d]+)/', $params2 = trim($params[2]), $buff)) {
$mem[trim($params[1])] = trim($buff[1]);
} elseif ($params2 != '') {
$mem[trim($params[1])] = $params2;
}
}
if (!empty($mem)) {
self::$_dmimd[] = $mem;
}
}
}
}
return self::$_dmimd;
}
}
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