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Guess.php
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Guess.php
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<?php
/**
* The OS_Guess class
*
* PHP versions 4 and 5
*
* @category pear
* @package PEAR
* @author Stig Bakken <ssb@php.net>
* @author Gregory Beaver <cellog@php.net>
* @copyright 1997-2009 The Authors
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @link http://pear.php.net/package/PEAR
* @since File available since PEAR 0.1
*/
// {{{ uname examples
// php_uname() without args returns the same as 'uname -a', or a PHP-custom
// string for Windows.
// PHP versions prior to 4.3 return the uname of the host where PHP was built,
// as of 4.3 it returns the uname of the host running the PHP code.
//
// PC RedHat Linux 7.1:
// Linux host.example.com 2.4.2-2 #1 Sun Apr 8 20:41:30 EDT 2001 i686 unknown
//
// PC Debian Potato:
// Linux host 2.4.17 #2 SMP Tue Feb 12 15:10:04 CET 2002 i686 unknown
//
// PC FreeBSD 3.3:
// FreeBSD host.example.com 3.3-STABLE FreeBSD 3.3-STABLE #0: Mon Feb 21 00:42:31 CET 2000 root@example.com:/usr/src/sys/compile/CONFIG i386
//
// PC FreeBSD 4.3:
// FreeBSD host.example.com 4.3-RELEASE FreeBSD 4.3-RELEASE #1: Mon Jun 25 11:19:43 EDT 2001 root@example.com:/usr/src/sys/compile/CONFIG i386
//
// PC FreeBSD 4.5:
// FreeBSD host.example.com 4.5-STABLE FreeBSD 4.5-STABLE #0: Wed Feb 6 23:59:23 CET 2002 root@example.com:/usr/src/sys/compile/CONFIG i386
//
// PC FreeBSD 4.5 w/uname from GNU shellutils:
// FreeBSD host.example.com 4.5-STABLE FreeBSD 4.5-STABLE #0: Wed Feb i386 unknown
//
// HP 9000/712 HP-UX 10:
// HP-UX iq B.10.10 A 9000/712 2008429113 two-user license
//
// HP 9000/712 HP-UX 10 w/uname from GNU shellutils:
// HP-UX host B.10.10 A 9000/712 unknown
//
// IBM RS6000/550 AIX 4.3:
// AIX host 3 4 000003531C00
//
// AIX 4.3 w/uname from GNU shellutils:
// AIX host 3 4 000003531C00 unknown
//
// SGI Onyx IRIX 6.5 w/uname from GNU shellutils:
// IRIX64 host 6.5 01091820 IP19 mips
//
// SGI Onyx IRIX 6.5:
// IRIX64 host 6.5 01091820 IP19
//
// SparcStation 20 Solaris 8 w/uname from GNU shellutils:
// SunOS host.example.com 5.8 Generic_108528-12 sun4m sparc
//
// SparcStation 20 Solaris 8:
// SunOS host.example.com 5.8 Generic_108528-12 sun4m sparc SUNW,SPARCstation-20
//
// Mac OS X (Darwin)
// Darwin home-eden.local 7.5.0 Darwin Kernel Version 7.5.0: Thu Aug 5 19:26:16 PDT 2004; root:xnu/xnu-517.7.21.obj~3/RELEASE_PPC Power Macintosh
//
// Mac OS X early versions
//
// }}}
/* TODO:
* - define endianness, to allow matchSignature("bigend") etc.
*/
/**
* Retrieves information about the current operating system
*
* This class uses php_uname() to grok information about the current OS
*
* @category pear
* @package PEAR
* @author Stig Bakken <ssb@php.net>
* @author Gregory Beaver <cellog@php.net>
* @copyright 1997-2020 The Authors
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version Release: @package_version@
* @link http://pear.php.net/package/PEAR
* @since Class available since Release 0.1
*/
class OS_Guess
{
var $sysname;
var $nodename;
var $cpu;
var $release;
var $extra;
function __construct($uname = null)
{
list($this->sysname,
$this->release,
$this->cpu,
$this->extra,
$this->nodename) = $this->parseSignature($uname);
}
function parseSignature($uname = null)
{
static $sysmap = array(
'HP-UX' => 'hpux',
'IRIX64' => 'irix',
);
static $cpumap = array(
'i586' => 'i386',
'i686' => 'i386',
'ppc' => 'powerpc',
);
if ($uname === null) {
$uname = php_uname();
}
$parts = preg_split('/\s+/', trim($uname));
$n = count($parts);
$release = $machine = $cpu = '';
$sysname = $parts[0];
$nodename = $parts[1];
$cpu = $parts[$n-1];
$extra = '';
if ($cpu == 'unknown') {
$cpu = $parts[$n - 2];
}
switch ($sysname) {
case 'AIX' :
$release = "$parts[3].$parts[2]";
break;
case 'Windows' :
$release = $parts[1];
if ($release == '95/98') {
$release = '9x';
}
$cpu = 'i386';
break;
case 'Linux' :
$extra = $this->_detectGlibcVersion();
// use only the first two digits from the kernel version
$release = preg_replace('/^([0-9]+\.[0-9]+).*/', '\1', $parts[2]);
break;
case 'Mac' :
$sysname = 'darwin';
$nodename = $parts[2];
$release = $parts[3];
$cpu = $this->_determineIfPowerpc($cpu, $parts);
break;
case 'Darwin' :
$cpu = $this->_determineIfPowerpc($cpu, $parts);
$release = preg_replace('/^([0-9]+\.[0-9]+).*/', '\1', $parts[2]);
break;
default:
$release = preg_replace('/-.*/', '', $parts[2]);
break;
}
if (isset($sysmap[$sysname])) {
$sysname = $sysmap[$sysname];
} else {
$sysname = strtolower($sysname);
}
if (isset($cpumap[$cpu])) {
$cpu = $cpumap[$cpu];
}
return array($sysname, $release, $cpu, $extra, $nodename);
}
function _determineIfPowerpc($cpu, $parts)
{
$n = count($parts);
if ($cpu == 'Macintosh' && $parts[$n - 2] == 'Power') {
$cpu = 'powerpc';
}
return $cpu;
}
function _detectGlibcVersion()
{
static $glibc = false;
if ($glibc !== false) {
return $glibc; // no need to run this multiple times
}
$major = $minor = 0;
include_once "System.php";
// Let's try reading possible libc.so.6 symlinks
$libcs = array(
'/lib64/libc.so.6',
'/lib/libc.so.6',
'/lib/i386-linux-gnu/libc.so.6'
);
$versions = array();
foreach ($libcs as $file) {
$versions = $this->_readGlibCVersionFromSymlink($file);
if ($versions != []) {
list($major, $minor) = $versions;
break;
}
}
// Use glibc's <features.h> header file to
// get major and minor version number:
if (!($major && $minor)) {
$versions = $this->_readGlibCVersionFromFeaturesHeaderFile();
}
if (is_array($versions) && $versions != []) {
list($major, $minor) = $versions;
}
if (!($major && $minor)) {
return $glibc = '';
}
return $glibc = "glibc{$major}.{$minor}";
}
function _readGlibCVersionFromSymlink($file)
{
$versions = array();
if (@is_link($file)
&& (preg_match('/^libc-(.*)\.so$/', basename(readlink($file)), $matches))
) {
$versions = explode('.', $matches[1]);
}
return $versions;
}
function _readGlibCVersionFromFeaturesHeaderFile()
{
$features_header_file = '/usr/include/features.h';
if (!(@file_exists($features_header_file)
&& @is_readable($features_header_file))
) {
return array();
}
if (!@file_exists('/usr/bin/cpp') || !@is_executable('/usr/bin/cpp')) {
return $this->_parseFeaturesHeaderFile($features_header_file);
} // no cpp
return $this->_fromGlibCTest();
}
function _parseFeaturesHeaderFile($features_header_file)
{
$features_file = fopen($features_header_file, 'rb');
while (!feof($features_file)) {
$line = fgets($features_file, 8192);
if (!$this->_IsADefinition($line)) {
continue;
}
if (strpos($line, '__GLIBC__')) {
// major version number #define __GLIBC__ version
$line = preg_split('/\s+/', $line);
$glibc_major = trim($line[2]);
if (isset($glibc_minor)) {
break;
}
continue;
}
if (strpos($line, '__GLIBC_MINOR__')) {
// got the minor version number
// #define __GLIBC_MINOR__ version
$line = preg_split('/\s+/', $line);
$glibc_minor = trim($line[2]);
if (isset($glibc_major)) {
break;
}
}
}
fclose($features_file);
if (!isset($glibc_major) || !isset($glibc_minor)) {
return array();
}
return array(trim($glibc_major), trim($glibc_minor));
}
function _IsADefinition($line)
{
if ($line === false) {
return false;
}
return strpos(trim($line), '#define') !== false;
}
function _fromGlibCTest()
{
$major = null;
$minor = null;
$tmpfile = System::mktemp("glibctest");
$fp = fopen($tmpfile, "w");
fwrite($fp, "#include <features.h>\n__GLIBC__ __GLIBC_MINOR__\n");
fclose($fp);
$cpp = popen("/usr/bin/cpp $tmpfile", "r");
while ($line = fgets($cpp, 1024)) {
if ($line[0] == '#' || trim($line) == '') {
continue;
}
if (list($major, $minor) = explode(' ', trim($line))) {
break;
}
}
pclose($cpp);
unlink($tmpfile);
if ($major !== null && $minor !== null) {
return [$major, $minor];
}
}
function getSignature()
{
if (empty($this->extra)) {
return "{$this->sysname}-{$this->release}-{$this->cpu}";
}
return "{$this->sysname}-{$this->release}-{$this->cpu}-{$this->extra}";
}
function getSysname()
{
return $this->sysname;
}
function getNodename()
{
return $this->nodename;
}
function getCpu()
{
return $this->cpu;
}
function getRelease()
{
return $this->release;
}
function getExtra()
{
return $this->extra;
}
function matchSignature($match)
{
$fragments = is_array($match) ? $match : explode('-', $match);
$n = count($fragments);
$matches = 0;
if ($n > 0) {
$matches += $this->_matchFragment($fragments[0], $this->sysname);
}
if ($n > 1) {
$matches += $this->_matchFragment($fragments[1], $this->release);
}
if ($n > 2) {
$matches += $this->_matchFragment($fragments[2], $this->cpu);
}
if ($n > 3) {
$matches += $this->_matchFragment($fragments[3], $this->extra);
}
return ($matches == $n);
}
function _matchFragment($fragment, $value)
{
if (strcspn($fragment, '*?') < strlen($fragment)) {
$expression = str_replace(
array('*', '?', '/'),
array('.*', '.', '\\/'),
$fragment
);
$reg = '/^' . $expression . '\\z/';
return preg_match($reg, $value);
}
return ($fragment == '*' || !strcasecmp($fragment, $value));
}
}
/*
* Local Variables:
* indent-tabs-mode: nil
* c-basic-offset: 4
* End:
*/

File Metadata

Mime Type
text/x-php
Expires
Sat, May 16, 21:10 (1 d, 17 h)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
29/1c/ce80366032647b49b901a78393e7
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Guess.php (11 KB)

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