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comparison vendor/pear/pear-core-minimal/src/OS/Guess.php @ 0:1e000243b222

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vanilla 1.3.3 distro, I hope
author Charlie Root
date Thu, 04 Jan 2018 15:50:29 -0500
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-1:000000000000 0:1e000243b222
1 <?php
2 /**
3 * The OS_Guess class
4 *
5 * PHP versions 4 and 5
6 *
7 * @category pear
8 * @package PEAR
9 * @author Stig Bakken <ssb@php.net>
10 * @author Gregory Beaver <cellog@php.net>
11 * @copyright 1997-2009 The Authors
12 * @license http://opensource.org/licenses/bsd-license.php New BSD License
13 * @link http://pear.php.net/package/PEAR
14 * @since File available since PEAR 0.1
15 */
16
17 // {{{ uname examples
18
19 // php_uname() without args returns the same as 'uname -a', or a PHP-custom
20 // string for Windows.
21 // PHP versions prior to 4.3 return the uname of the host where PHP was built,
22 // as of 4.3 it returns the uname of the host running the PHP code.
23 //
24 // PC RedHat Linux 7.1:
25 // Linux host.example.com 2.4.2-2 #1 Sun Apr 8 20:41:30 EDT 2001 i686 unknown
26 //
27 // PC Debian Potato:
28 // Linux host 2.4.17 #2 SMP Tue Feb 12 15:10:04 CET 2002 i686 unknown
29 //
30 // PC FreeBSD 3.3:
31 // 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
32 //
33 // PC FreeBSD 4.3:
34 // 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
35 //
36 // PC FreeBSD 4.5:
37 // 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
38 //
39 // PC FreeBSD 4.5 w/uname from GNU shellutils:
40 // FreeBSD host.example.com 4.5-STABLE FreeBSD 4.5-STABLE #0: Wed Feb i386 unknown
41 //
42 // HP 9000/712 HP-UX 10:
43 // HP-UX iq B.10.10 A 9000/712 2008429113 two-user license
44 //
45 // HP 9000/712 HP-UX 10 w/uname from GNU shellutils:
46 // HP-UX host B.10.10 A 9000/712 unknown
47 //
48 // IBM RS6000/550 AIX 4.3:
49 // AIX host 3 4 000003531C00
50 //
51 // AIX 4.3 w/uname from GNU shellutils:
52 // AIX host 3 4 000003531C00 unknown
53 //
54 // SGI Onyx IRIX 6.5 w/uname from GNU shellutils:
55 // IRIX64 host 6.5 01091820 IP19 mips
56 //
57 // SGI Onyx IRIX 6.5:
58 // IRIX64 host 6.5 01091820 IP19
59 //
60 // SparcStation 20 Solaris 8 w/uname from GNU shellutils:
61 // SunOS host.example.com 5.8 Generic_108528-12 sun4m sparc
62 //
63 // SparcStation 20 Solaris 8:
64 // SunOS host.example.com 5.8 Generic_108528-12 sun4m sparc SUNW,SPARCstation-20
65 //
66 // Mac OS X (Darwin)
67 // 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
68 //
69 // Mac OS X early versions
70 //
71
72 // }}}
73
74 /* TODO:
75 * - define endianness, to allow matchSignature("bigend") etc.
76 */
77
78 /**
79 * Retrieves information about the current operating system
80 *
81 * This class uses php_uname() to grok information about the current OS
82 *
83 * @category pear
84 * @package PEAR
85 * @author Stig Bakken <ssb@php.net>
86 * @author Gregory Beaver <cellog@php.net>
87 * @copyright 1997-2009 The Authors
88 * @license http://opensource.org/licenses/bsd-license.php New BSD License
89 * @version Release: @package_version@
90 * @link http://pear.php.net/package/PEAR
91 * @since Class available since Release 0.1
92 */
93 class OS_Guess
94 {
95 var $sysname;
96 var $nodename;
97 var $cpu;
98 var $release;
99 var $extra;
100
101 function __construct($uname = null)
102 {
103 list($this->sysname,
104 $this->release,
105 $this->cpu,
106 $this->extra,
107 $this->nodename) = $this->parseSignature($uname);
108 }
109
110 function parseSignature($uname = null)
111 {
112 static $sysmap = array(
113 'HP-UX' => 'hpux',
114 'IRIX64' => 'irix',
115 );
116 static $cpumap = array(
117 'i586' => 'i386',
118 'i686' => 'i386',
119 'ppc' => 'powerpc',
120 );
121 if ($uname === null) {
122 $uname = php_uname();
123 }
124 $parts = preg_split('/\s+/', trim($uname));
125 $n = count($parts);
126
127 $release = $machine = $cpu = '';
128 $sysname = $parts[0];
129 $nodename = $parts[1];
130 $cpu = $parts[$n-1];
131 $extra = '';
132 if ($cpu == 'unknown') {
133 $cpu = $parts[$n - 2];
134 }
135
136 switch ($sysname) {
137 case 'AIX' :
138 $release = "$parts[3].$parts[2]";
139 break;
140 case 'Windows' :
141 switch ($parts[1]) {
142 case '95/98':
143 $release = '9x';
144 break;
145 default:
146 $release = $parts[1];
147 break;
148 }
149 $cpu = 'i386';
150 break;
151 case 'Linux' :
152 $extra = $this->_detectGlibcVersion();
153 // use only the first two digits from the kernel version
154 $release = preg_replace('/^([0-9]+\.[0-9]+).*/', '\1', $parts[2]);
155 break;
156 case 'Mac' :
157 $sysname = 'darwin';
158 $nodename = $parts[2];
159 $release = $parts[3];
160 if ($cpu == 'Macintosh') {
161 if ($parts[$n - 2] == 'Power') {
162 $cpu = 'powerpc';
163 }
164 }
165 break;
166 case 'Darwin' :
167 if ($cpu == 'Macintosh') {
168 if ($parts[$n - 2] == 'Power') {
169 $cpu = 'powerpc';
170 }
171 }
172 $release = preg_replace('/^([0-9]+\.[0-9]+).*/', '\1', $parts[2]);
173 break;
174 default:
175 $release = preg_replace('/-.*/', '', $parts[2]);
176 break;
177 }
178
179 if (isset($sysmap[$sysname])) {
180 $sysname = $sysmap[$sysname];
181 } else {
182 $sysname = strtolower($sysname);
183 }
184 if (isset($cpumap[$cpu])) {
185 $cpu = $cpumap[$cpu];
186 }
187 return array($sysname, $release, $cpu, $extra, $nodename);
188 }
189
190 function _detectGlibcVersion()
191 {
192 static $glibc = false;
193 if ($glibc !== false) {
194 return $glibc; // no need to run this multiple times
195 }
196 $major = $minor = 0;
197 include_once "System.php";
198 // Use glibc's <features.h> header file to
199 // get major and minor version number:
200 if (@file_exists('/usr/include/features.h') &&
201 @is_readable('/usr/include/features.h')) {
202 if (!@file_exists('/usr/bin/cpp') || !@is_executable('/usr/bin/cpp')) {
203 $features_file = fopen('/usr/include/features.h', 'rb');
204 while (!feof($features_file)) {
205 $line = fgets($features_file, 8192);
206 if (!$line || (strpos($line, '#define') === false)) {
207 continue;
208 }
209 if (strpos($line, '__GLIBC__')) {
210 // major version number #define __GLIBC__ version
211 $line = preg_split('/\s+/', $line);
212 $glibc_major = trim($line[2]);
213 if (isset($glibc_minor)) {
214 break;
215 }
216 continue;
217 }
218
219 if (strpos($line, '__GLIBC_MINOR__')) {
220 // got the minor version number
221 // #define __GLIBC_MINOR__ version
222 $line = preg_split('/\s+/', $line);
223 $glibc_minor = trim($line[2]);
224 if (isset($glibc_major)) {
225 break;
226 }
227 continue;
228 }
229 }
230 fclose($features_file);
231 if (!isset($glibc_major) || !isset($glibc_minor)) {
232 return $glibc = '';
233 }
234 return $glibc = 'glibc' . trim($glibc_major) . "." . trim($glibc_minor) ;
235 } // no cpp
236
237 $tmpfile = System::mktemp("glibctest");
238 $fp = fopen($tmpfile, "w");
239 fwrite($fp, "#include <features.h>\n__GLIBC__ __GLIBC_MINOR__\n");
240 fclose($fp);
241 $cpp = popen("/usr/bin/cpp $tmpfile", "r");
242 while ($line = fgets($cpp, 1024)) {
243 if ($line{0} == '#' || trim($line) == '') {
244 continue;
245 }
246
247 if (list($major, $minor) = explode(' ', trim($line))) {
248 break;
249 }
250 }
251 pclose($cpp);
252 unlink($tmpfile);
253 } // features.h
254
255 if (!($major && $minor) && @is_link('/lib/libc.so.6')) {
256 // Let's try reading the libc.so.6 symlink
257 if (preg_match('/^libc-(.*)\.so$/', basename(readlink('/lib/libc.so.6')), $matches)) {
258 list($major, $minor) = explode('.', $matches[1]);
259 }
260 }
261
262 if (!($major && $minor)) {
263 return $glibc = '';
264 }
265
266 return $glibc = "glibc{$major}.{$minor}";
267 }
268
269 function getSignature()
270 {
271 if (empty($this->extra)) {
272 return "{$this->sysname}-{$this->release}-{$this->cpu}";
273 }
274 return "{$this->sysname}-{$this->release}-{$this->cpu}-{$this->extra}";
275 }
276
277 function getSysname()
278 {
279 return $this->sysname;
280 }
281
282 function getNodename()
283 {
284 return $this->nodename;
285 }
286
287 function getCpu()
288 {
289 return $this->cpu;
290 }
291
292 function getRelease()
293 {
294 return $this->release;
295 }
296
297 function getExtra()
298 {
299 return $this->extra;
300 }
301
302 function matchSignature($match)
303 {
304 $fragments = is_array($match) ? $match : explode('-', $match);
305 $n = count($fragments);
306 $matches = 0;
307 if ($n > 0) {
308 $matches += $this->_matchFragment($fragments[0], $this->sysname);
309 }
310 if ($n > 1) {
311 $matches += $this->_matchFragment($fragments[1], $this->release);
312 }
313 if ($n > 2) {
314 $matches += $this->_matchFragment($fragments[2], $this->cpu);
315 }
316 if ($n > 3) {
317 $matches += $this->_matchFragment($fragments[3], $this->extra);
318 }
319 return ($matches == $n);
320 }
321
322 function _matchFragment($fragment, $value)
323 {
324 if (strcspn($fragment, '*?') < strlen($fragment)) {
325 $reg = '/^' . str_replace(array('*', '?', '/'), array('.*', '.', '\\/'), $fragment) . '\\z/';
326 return preg_match($reg, $value);
327 }
328 return ($fragment == '*' || !strcasecmp($fragment, $value));
329 }
330
331 }
332 /*
333 * Local Variables:
334 * indent-tabs-mode: nil
335 * c-basic-offset: 4
336 * End:
337 */