* @author Gregory Beaver
* @copyright 1997-2009 The Authors
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version Release: 1.10.5
* @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].$parts[2]";
break;
case 'Windows' :
switch ($parts[1]) {
case '95/98':
$release = '9x';
break;
default:
$release = $parts[1];
break;
}
$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 = $parts[3];
if ($cpu == 'Macintosh') {
if ($parts[$n - 2] == 'Power') {
$cpu = 'powerpc';
}
}
break;
case 'Darwin' :
if ($cpu == 'Macintosh') {
if ($parts[$n - 2] == 'Power') {
$cpu = 'powerpc';
}
}
$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 _detectGlibcVersion()
{
static $glibc = false;
if ($glibc !== false) {
return $glibc; // no need to run this multiple times
}
$major = $minor = 0;
include_once "System.php";
// Use glibc's header file to
// get major and minor version number:
if (@file_exists('/usr/include/features.h') &&
@is_readable('/usr/include/features.h')) {
if (!@file_exists('/usr/bin/cpp') || !@is_executable('/usr/bin/cpp')) {
$features_file = fopen('/usr/include/features.h', 'rb');
while (!feof($features_file)) {
$line = fgets($features_file, 8192);
if (!$line || (strpos($line, '#define') === false)) {
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($glibc_major)) {
break;
}
continue;
}
}
fclose($features_file);
if (!isset($glibc_major) || !isset($glibc_minor)) {
return $glibc = '';
}
return $glibc = 'glibc' . trim($glibc_major) . "." . trim($glibc_minor) ;
} // no cpp
$tmpfile = System::mktemp("glibctest");
$fp = fopen($tmpfile, "w");
fwrite($fp, "#include \n__GLIBC__ __GLIBC_MINOR__\n");
fclose($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);
} // features.h
if (!($major && $minor) && @is_link('/lib/libc.so.6')) {
// Let's try reading the libc.so.6 symlink
if (preg_match('/^libc-(.*)\.so$/', basename(readlink('/lib/libc.so.6')), $matches)) {
list($major, $minor) = explode('.', $matches[1]);
}
}
if (!($major && $minor)) {
return $glibc = '';
}
return $glibc = "glibc{$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)) {
$reg = '/^' . str_replace(array('*', '?', '/'), array('.*', '.', '\\/'), $fragment) . '\\z/';
return preg_match($reg, $value);
}
return ($fragment == '*' || !strcasecmp($fragment, $value));
}
}
/*
* Local Variables:
* indent-tabs-mode: nil
* c-basic-offset: 4
* End:
*/