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Code source de GeekLog 1.4.1 |
1 <?php 2 /** 3 * The OS_Guess class 4 * 5 * PHP versions 4 and 5 6 * 7 * LICENSE: This source file is subject to version 3.0 of the PHP license 8 * that is available through the world-wide-web at the following URI: 9 * http://www.php.net/license/3_0.txt. If you did not receive a copy of 10 * the PHP License and are unable to obtain it through the web, please 11 * send a note to license@php.net so we can mail you a copy immediately. 12 * 13 * @category pear 14 * @package PEAR 15 * @author Stig Bakken <ssb@php.net> 16 * @author Gregory Beaver <cellog@php.net> 17 * @copyright 1997-2005 The PHP Group 18 * @license http://www.php.net/license/3_0.txt PHP License 3.0 19 * @version CVS: $Id: Guess.php,v 1.20.2.1 2006/06/16 11:41:16 pajoye Exp $ 20 * @link http://pear.php.net/package/PEAR 21 * @since File available since PEAR 0.1 22 */ 23 24 // {{{ uname examples 25 26 // php_uname() without args returns the same as 'uname -a', or a PHP-custom 27 // string for Windows. 28 // PHP versions prior to 4.3 return the uname of the host where PHP was built, 29 // as of 4.3 it returns the uname of the host running the PHP code. 30 // 31 // PC RedHat Linux 7.1: 32 // Linux host.example.com 2.4.2-2 #1 Sun Apr 8 20:41:30 EDT 2001 i686 unknown 33 // 34 // PC Debian Potato: 35 // Linux host 2.4.17 #2 SMP Tue Feb 12 15:10:04 CET 2002 i686 unknown 36 // 37 // PC FreeBSD 3.3: 38 // 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 39 // 40 // PC FreeBSD 4.3: 41 // 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 42 // 43 // PC FreeBSD 4.5: 44 // 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 45 // 46 // PC FreeBSD 4.5 w/uname from GNU shellutils: 47 // FreeBSD host.example.com 4.5-STABLE FreeBSD 4.5-STABLE #0: Wed Feb i386 unknown 48 // 49 // HP 9000/712 HP-UX 10: 50 // HP-UX iq B.10.10 A 9000/712 2008429113 two-user license 51 // 52 // HP 9000/712 HP-UX 10 w/uname from GNU shellutils: 53 // HP-UX host B.10.10 A 9000/712 unknown 54 // 55 // IBM RS6000/550 AIX 4.3: 56 // AIX host 3 4 000003531C00 57 // 58 // AIX 4.3 w/uname from GNU shellutils: 59 // AIX host 3 4 000003531C00 unknown 60 // 61 // SGI Onyx IRIX 6.5 w/uname from GNU shellutils: 62 // IRIX64 host 6.5 01091820 IP19 mips 63 // 64 // SGI Onyx IRIX 6.5: 65 // IRIX64 host 6.5 01091820 IP19 66 // 67 // SparcStation 20 Solaris 8 w/uname from GNU shellutils: 68 // SunOS host.example.com 5.8 Generic_108528-12 sun4m sparc 69 // 70 // SparcStation 20 Solaris 8: 71 // SunOS host.example.com 5.8 Generic_108528-12 sun4m sparc SUNW,SPARCstation-20 72 // 73 // Mac OS X (Darwin) 74 // 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 75 // 76 // Mac OS X early versions 77 // 78 79 // }}} 80 81 /* TODO: 82 * - define endianness, to allow matchSignature("bigend") etc. 83 */ 84 85 /** 86 * Retrieves information about the current operating system 87 * 88 * This class uses php_uname() to grok information about the current OS 89 * 90 * @category pear 91 * @package PEAR 92 * @author Stig Bakken <ssb@php.net> 93 * @author Gregory Beaver <cellog@php.net> 94 * @copyright 1997-2005 The PHP Group 95 * @license http://www.php.net/license/3_0.txt PHP License 3.0 96 * @version Release: 1.4.11 97 * @link http://pear.php.net/package/PEAR 98 * @since Class available since Release 0.1 99 */ 100 class OS_Guess 101 { 102 var $sysname; 103 var $nodename; 104 var $cpu; 105 var $release; 106 var $extra; 107 108 function OS_Guess($uname = null) 109 { 110 list($this->sysname, 111 $this->release, 112 $this->cpu, 113 $this->extra, 114 $this->nodename) = $this->parseSignature($uname); 115 } 116 117 function parseSignature($uname = null) 118 { 119 static $sysmap = array( 120 'HP-UX' => 'hpux', 121 'IRIX64' => 'irix', 122 ); 123 static $cpumap = array( 124 'i586' => 'i386', 125 'i686' => 'i386', 126 'ppc' => 'powerpc', 127 ); 128 if ($uname === null) { 129 $uname = php_uname(); 130 } 131 $parts = split('[[:space:]]+', trim($uname)); 132 $n = count($parts); 133 134 $release = $machine = $cpu = ''; 135 $sysname = $parts[0]; 136 $nodename = $parts[1]; 137 $cpu = $parts[$n-1]; 138 $extra = ''; 139 if ($cpu == 'unknown') { 140 $cpu = $parts[$n-2]; 141 } 142 143 switch ($sysname) { 144 case 'AIX' : 145 $release = "$parts[3].$parts[2]"; 146 break; 147 case 'Windows' : 148 switch ($parts[1]) { 149 case '95/98': 150 $release = '9x'; 151 break; 152 default: 153 $release = $parts[1]; 154 break; 155 } 156 $cpu = 'i386'; 157 break; 158 case 'Linux' : 159 $extra = $this->_detectGlibcVersion(); 160 // use only the first two digits from the kernel version 161 $release = ereg_replace('^([[:digit:]]+\.[[:digit:]]+).*', '\1', $parts[2]); 162 break; 163 case 'Mac' : 164 $sysname = 'darwin'; 165 $nodename = $parts[2]; 166 $release = $parts[3]; 167 if ($cpu == 'Macintosh') { 168 if ($parts[$n - 2] == 'Power') { 169 $cpu = 'powerpc'; 170 } 171 } 172 break; 173 case 'Darwin' : 174 if ($cpu == 'Macintosh') { 175 if ($parts[$n - 2] == 'Power') { 176 $cpu = 'powerpc'; 177 } 178 } 179 $release = ereg_replace('^([[:digit:]]+\.[[:digit:]]+).*', '\1', $parts[2]); 180 break; 181 default: 182 $release = ereg_replace('-.*', '', $parts[2]); 183 break; 184 } 185 186 187 if (isset($sysmap[$sysname])) { 188 $sysname = $sysmap[$sysname]; 189 } else { 190 $sysname = strtolower($sysname); 191 } 192 if (isset($cpumap[$cpu])) { 193 $cpu = $cpumap[$cpu]; 194 } 195 return array($sysname, $release, $cpu, $extra, $nodename); 196 } 197 198 function _detectGlibcVersion() 199 { 200 static $glibc = false; 201 if ($glibc !== false) { 202 return $glibc; // no need to run this multiple times 203 } 204 include_once "System.php"; 205 if (!@file_exists('/usr/bin/cpp') || !@is_executable('/usr/bin/cpp')) { 206 // Use glibc's <features.h> header file to 207 // get major and minor version number: 208 if (@file_exists('/usr/include/features.h') && 209 @is_readable('/usr/include/features.h')) { 210 $features_file = fopen('/usr/include/features.h', 'rb'); 211 while (!feof($features_file)) { 212 $line = fgets($features_file, 8192); 213 if (!$line || (strpos($line, '#define') === false)) { 214 continue; 215 } 216 if (strpos($line, '__GLIBC__')) { 217 // major version number #define __GLIBC__ version 218 $line = preg_split('/\s+/', $line); 219 $glibc_major = trim($line[2]); 220 if (isset($glibc_minor)) { 221 break; 222 } 223 continue; 224 } 225 if (strpos($line, '__GLIBC_MINOR__')) { 226 // got the minor version number 227 // #define __GLIBC_MINOR__ version 228 $line = preg_split('/\s+/', $line); 229 $glibc_minor = trim($line[2]); 230 if (isset($glibc_major)) { 231 break; 232 } 233 continue; 234 } 235 } 236 fclose($features_file); 237 if (!isset($glibc_major) || !isset($glibc_minor)) { 238 return $glibc = ''; 239 } 240 return $glibc = 'glibc' . trim($glibc_major) . "." . trim($glibc_minor) ; 241 } 242 return $glibc = ''; 243 } 244 $tmpfile = System::mktemp("glibctest"); 245 $fp = fopen($tmpfile, "w"); 246 fwrite($fp, "#include <features.h>\n__GLIBC__ __GLIBC_MINOR__\n"); 247 fclose($fp); 248 $cpp = popen("/usr/bin/cpp $tmpfile", "r"); 249 $major = $minor = 0; 250 while ($line = fgets($cpp, 1024)) { 251 if ($line{0} == '#' || trim($line) == '') { 252 continue; 253 } 254 if (list($major, $minor) = explode(' ', trim($line))) { 255 break; 256 } 257 } 258 pclose($cpp); 259 unlink($tmpfile); 260 if (!($major && $minor) && is_link('/lib/libc.so.6')) { 261 // Let's try reading the libc.so.6 symlink 262 if (ereg('^libc-([.*])\.so$', basename(readlink('/lib/libc.so.6')), $matches)) { 263 list($major, $minor) = explode('.', $matches); 264 } 265 } 266 if (!($major && $minor)) { 267 return $glibc = ''; 268 } 269 return $glibc = "glibc{$major}.{$minor}"; 270 } 271 272 function getSignature() 273 { 274 if (empty($this->extra)) { 275 return "{$this->sysname}-{$this->release}-{$this->cpu}"; 276 } 277 return "{$this->sysname}-{$this->release}-{$this->cpu}-{$this->extra}"; 278 } 279 280 function getSysname() 281 { 282 return $this->sysname; 283 } 284 285 function getNodename() 286 { 287 return $this->nodename; 288 } 289 290 function getCpu() 291 { 292 return $this->cpu; 293 } 294 295 function getRelease() 296 { 297 return $this->release; 298 } 299 300 function getExtra() 301 { 302 return $this->extra; 303 } 304 305 function matchSignature($match) 306 { 307 if (is_array($match)) { 308 $fragments = $match; 309 } else { 310 $fragments = explode('-', $match); 311 } 312 $n = count($fragments); 313 $matches = 0; 314 if ($n > 0) { 315 $matches += $this->_matchFragment($fragments[0], $this->sysname); 316 } 317 if ($n > 1) { 318 $matches += $this->_matchFragment($fragments[1], $this->release); 319 } 320 if ($n > 2) { 321 $matches += $this->_matchFragment($fragments[2], $this->cpu); 322 } 323 if ($n > 3) { 324 $matches += $this->_matchFragment($fragments[3], $this->extra); 325 } 326 return ($matches == $n); 327 } 328 329 function _matchFragment($fragment, $value) 330 { 331 if (strcspn($fragment, '*?') < strlen($fragment)) { 332 $reg = '^' . str_replace(array('*', '?', '/'), array('.*', '.', '\\/'), $fragment) . '$'; 333 return eregi($reg, $value); 334 } 335 return ($fragment == '*' || !strcasecmp($fragment, $value)); 336 } 337 338 } 339 /* 340 * Local Variables: 341 * indent-tabs-mode: nil 342 * c-basic-offset: 4 343 * End: 344 */ 345 ?>
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