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8.7 KiB

<?php
/**
* @author 肖其顿 <xiaoqidun@gmail.com>
*/
class shell
{
public static $version = 'v1.0.0';
public static function Convert($string, $to = 'utf-8', $from = 'auto,cp936')
{
$func = 'mb_convert_encoding';
if (!function_exists($func)) {
return $string;
}
return $func($string, $to, $from);
}
public static function Command($command, $testCommand = null, $convert = false)
{
$typeA = 'proc_open';
$typeB = 'shell_exec';
$typeC = 'exec';
$typeD = 'system';
$typeE = 'passthru';
$typeF = 'popen';
$typeG = 'pcntl_exec';
$typeH = 'com';
$typeRank = [
$typeH,
$typeA,
$typeB,
$typeD,
$typeE,
$typeC,
$typeF,
$typeG
];
if (!is_array($command)) $command = [$command];
if (!is_array($testCommand) && $testCommand !== null) $testCommand = [$testCommand];
$commandFunctions = [
$typeA => [
'command' =>
function ($command) {
$cmd = "exec " . self::GetShellFile();
if (defined('PHP_WINDOWS_VERSION_BUILD')) {
$cmd = self::GetShellFile();
}
if (!is_resource($sh = proc_open($cmd, [
0 =>
["pipe", "r"],
1 =>
["pipe", "w"]
], $pipes))) {
return false;
}
foreach ($command as $commandLine) {
fwrite($pipes[0], $commandLine . PHP_EOL);
}
fclose($pipes[0]);
$result = stream_get_contents($pipes[1]);
fclose($pipes[1]);
proc_close($sh);
return $result;
},
'function' =>
[
'proc_open',
'stream_get_contents'
]
],
$typeB => [
'command' => function ($command) {
$commandResult = "";
foreach ($command as $commandLine) {
$commandResult .= shell_exec($commandLine);
}
return $commandResult;
},
'function' => [
'shell_exec'
]
],
$typeC => [
'command' => function ($command) {
$commandResult = "";
foreach ($command as $commandLine) {
exec($commandLine, $commandOutput);
$commandResult .= implode(PHP_EOL, $commandOutput);
}
return $commandResult;
},
'function' => [
'exec'
]
],
$typeD => [
'command' => function ($command) {
ob_start();
foreach ($command as $commandLine) {
system($commandLine);
}
$commandResult = ob_get_clean();
return $commandResult;
},
'function' => [
'system',
'ob_start',
'ob_get_clean'
]
],
$typeE => [
'command' => function ($command) {
ob_start();
foreach ($command as $commandLine) {
passthru($commandLine);
}
$commandResult = ob_get_clean();
return $commandResult;
},
'function' => [
'passthru',
'ob_start',
'ob_get_clean'
]
],
$typeF => [
'command' => function ($command) {
$commandResult = "";
foreach ($command as $commandLine) {
$p = popen($commandLine, "r");
while (!feof($p)) {
$commandResult .= fgets($p);
}
}
},
'function' => [
'popen'
]
],
$typeG => [
'command' => function ($command) {
$command[] = '';
$outputFile = tempnam(null, 'commandOutput_');
$outputFilePipe = sprintf(" >> %s 2>&1%s", $outputFile, PHP_EOL);
$commandString = implode($outputFilePipe, $command);
$commandProcess = pcntl_fork();
if ($commandProcess == 0) {
pcntl_exec(self::GetShellFile(), ["-c", $commandString]);
}
pcntl_waitpid($commandProcess, $status);
$commandResult = file_get_contents($outputFile);
unlink($outputFile);
return $commandResult;
},
'function' => [
'pcntl_exec',
'pcntl_fork',
'pcntl_waitpid'
]
],
$typeH => [
'command' => function ($command) {
$commandResult = "";
try {
$ws = new \COM("wscript.shell");
$exec = $ws->Exec(self::GetShellFile());
foreach ($command as $commandLine) {
$exec->StdIn->WriteLine("$commandLine");
}
$exec->StdIn->WriteLine("exit");
$exec->StdIn->Close();
while (0 === $exec->Status) {
time_nanosleep(0, 1e8);
}
$commandResult = $exec->StdOut->ReadAll() . $exec->StdErr->ReadAll();
} catch (\Exception $exception) {
}
return $commandResult;
},
'class' => [
'\COM'
]
]
];
foreach ($commandFunctions as $tag => $item) {
if (isset($item['class'])) {
foreach ($item['class'] as $cls) {
if (!class_exists($cls)) {
unset($func);
unset($commandFunctions[$tag]);
}
}
}
if (isset($item['function'])) {
foreach ($item['function'] as $func) {
if (!function_exists($func)) {
unset($func);
unset($commandFunctions[$tag]);
break;
}
unset($func);
}
}
unset($tag);
unset($item);
}
if ($testCommand !== null) {
foreach ($commandFunctions as $tag => $item) {
$commandResult = $item['command']($testCommand);
if (1 > strlen($commandResult)) {
unset($commandFunctions[$tag]);
}
unset($tag);
unset($item);
}
}
foreach ($typeRank as $type) {
if (isset($commandFunctions[$type])) {
$commandReturn = $commandFunctions[$type]['command']($command);
if ($convert) {
return self::Convert($commandReturn);
}
return $commandReturn;
}
unset($type);
}
return false;
}
public static function GetShellFile()
{
$shellFileList = [
'C:\Windows\System32\cmd.exe',
'C:\Windows\SysWOW64\cmd.exe',
'/system/bin/sh',
'/bin/bash',
'/bin/sh'
];
foreach ($shellFileList as $shellFile) {
if (is_executable($shellFile)) {
return $shellFile;
}
}
if (defined('PHP_WINDOWS_VERSION_BUILD')) {
return 'cmd.exe';
}
return 'sh';
}
}