--- /dev/null
+<?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 1997-2009 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].$parts[2]";
+ break;
+ case 'Windows' :
+ switch ($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 <features.h> 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($fp, "#include <features.h>\n__GLIBC__ __GLIBC_MINOR__\n");
+ fclose($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);
+ } // 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:
+ */
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