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PHP Decode
<?php /** * This file is part of the reliforp/reli-prof package. * * (c) sji <sji@sj-i..
Decoded Output download
<?php
/**
* This file is part of the reliforp/reli-prof package.
*
* (c) sji <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace Reli\Lib\PhpProcessReader;
use Reli\Inspector\Settings\TargetPhpSettings\TargetPhpSettings;
use Reli\Lib\ByteStream\IntegerByteSequence\IntegerByteSequenceReader;
use Reli\Lib\ByteStream\CDataByteReader;
use Reli\Lib\Elf\Parser\ElfParserException;
use Reli\Lib\Elf\Process\ProcessSymbolReaderException;
use Reli\Lib\Elf\Process\ProcessSymbolReaderInterface;
use Reli\Lib\Elf\Tls\TlsFinderException;
use Reli\Lib\PhpInternals\ZendTypeReader;
use Reli\Lib\Process\MemoryReader\MemoryReaderException;
use Reli\Lib\Process\MemoryReader\MemoryReaderInterface;
use Reli\Lib\Process\ProcessSpecifier;
use RuntimeException;
class PhpGlobalsFinder
{
public function __construct(
private PhpSymbolReaderCreator $php_symbol_reader_creator,
private IntegerByteSequenceReader $integer_reader,
private MemoryReaderInterface $memory_reader
) {
}
/**
* @throws MemoryReaderException
* @throws ProcessSymbolReaderException
* @throws TlsFinderException
*/
public function findTsrmLsCache(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): ?int {
$tsrm_ls_cache_cdata = $this->getSymbolReader(
$process_specifier,
$target_php_settings
)->read('_tsrm_ls_cache');
if (isset($tsrm_ls_cache_cdata)) {
$tsrm_ls_cache_address = $this->integer_reader->read64(
new CDataByteReader($tsrm_ls_cache_cdata),
0
)->toInt();
if ($tsrm_ls_cache_address === 0) {
return null;
}
return $tsrm_ls_cache_address;
}
return null;
}
/**
* @throws MemoryReaderException
* @throws ProcessSymbolReaderException
* @throws TlsFinderException
*/
public function getSymbolReader(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): ProcessSymbolReaderInterface {
return $this->php_symbol_reader_creator->create(
$process_specifier->pid,
$target_php_settings->php_regex,
$target_php_settings->libpthread_regex,
$target_php_settings->php_path,
$target_php_settings->libpthread_path
);
}
public function getZtsGlobalsSymbolReader(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): ProcessSymbolReaderInterface {
return $this->php_symbol_reader_creator->create(
$process_specifier->pid,
$target_php_settings->zts_globals_regex,
$target_php_settings->libpthread_regex,
$target_php_settings->php_path,
$target_php_settings->libpthread_path
);
}
/**
* @param TargetPhpSettings<value-of<ZendTypeReader::ALL_SUPPORTED_VERSIONS>> $target_php_settings
* @throws ElfParserException
* @throws MemoryReaderException
* @throws ProcessSymbolReaderException
* @throws TlsFinderException
*/
public function findExecutorGlobals(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): int {
return $this->findGlobals(
$process_specifier,
$target_php_settings,
'executor_globals'
);
}
/**
* @param TargetPhpSettings<value-of<ZendTypeReader::ALL_SUPPORTED_VERSIONS>> $target_php_settings
* @throws ElfParserException
* @throws MemoryReaderException
* @throws ProcessSymbolReaderException
* @throws TlsFinderException
*/
public function findCompilerGlobals(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): int {
return $this->findGlobals(
$process_specifier,
$target_php_settings,
'compiler_globals'
);
}
public function findModuleRegistry(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): ?int {
$symbol_reader = $this->getZtsGlobalsSymbolReader(
$process_specifier,
$target_php_settings
);
$module_registry = $symbol_reader->resolveAddress('module_registry');
return $module_registry;
}
public function findGlobals(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings,
string $symbol_name,
): int {
$tsrm_ls_cache = $this->findTsrmLsCache($process_specifier, $target_php_settings);
if (isset($tsrm_ls_cache)) {
switch ($target_php_settings->php_version) {
case ZendTypeReader::V70:
case ZendTypeReader::V71:
case ZendTypeReader::V72:
case ZendTypeReader::V73:
$id_symbol = $symbol_name . '_id';
$globals_id_cdata = $this->getZtsGlobalsSymbolReader($process_specifier, $target_php_settings)
->read($id_symbol);
if (is_null($globals_id_cdata)) {
throw new RuntimeException('global symbol id not found');
}
$tsrm_ls_cache_dereferenced = $this->integer_reader->read64(
new CDataByteReader(
$this->memory_reader->read(
$process_specifier->pid,
$tsrm_ls_cache,
8
)
),
0
)->toInt();
$globals_id = $this->integer_reader->read32(
new CDataByteReader($globals_id_cdata),
0
);
return $this->integer_reader->read64(
new CDataByteReader(
$this->memory_reader->read(
$process_specifier->pid,
$tsrm_ls_cache_dereferenced + ($globals_id - 1) * 8,
8
)
),
0
)->toInt();
case ZendTypeReader::V74:
case ZendTypeReader::V80:
case ZendTypeReader::V81:
case ZendTypeReader::V82:
case ZendTypeReader::V83:
$offset = $symbol_name . '_offset';
$globals_offset_cdata = $this->getZtsGlobalsSymbolReader(
$process_specifier,
$target_php_settings
)->read($offset);
if (is_null($globals_offset_cdata)) {
throw new RuntimeException('globals offset not found');
}
$globals_offset = $this->integer_reader->read64(
new CDataByteReader($globals_offset_cdata),
0
)->toInt();
return $tsrm_ls_cache + $globals_offset;
default:
throw new \LogicException('this should never happen');
}
}
$globals_address = $this->getSymbolReader($process_specifier, $target_php_settings)
->resolveAddress($symbol_name);
if (is_null($globals_address)) {
throw new RuntimeException('global symbol not found ' . $symbol_name);
}
return $globals_address;
}
public function findSAPIGlobals(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): int {
return $this->findGlobals(
$process_specifier,
$target_php_settings,
'sapi_globals'
);
}
}
?>
Did this file decode correctly?
Original Code
<?php
/**
* This file is part of the reliforp/reli-prof package.
*
* (c) sji <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace Reli\Lib\PhpProcessReader;
use Reli\Inspector\Settings\TargetPhpSettings\TargetPhpSettings;
use Reli\Lib\ByteStream\IntegerByteSequence\IntegerByteSequenceReader;
use Reli\Lib\ByteStream\CDataByteReader;
use Reli\Lib\Elf\Parser\ElfParserException;
use Reli\Lib\Elf\Process\ProcessSymbolReaderException;
use Reli\Lib\Elf\Process\ProcessSymbolReaderInterface;
use Reli\Lib\Elf\Tls\TlsFinderException;
use Reli\Lib\PhpInternals\ZendTypeReader;
use Reli\Lib\Process\MemoryReader\MemoryReaderException;
use Reli\Lib\Process\MemoryReader\MemoryReaderInterface;
use Reli\Lib\Process\ProcessSpecifier;
use RuntimeException;
class PhpGlobalsFinder
{
public function __construct(
private PhpSymbolReaderCreator $php_symbol_reader_creator,
private IntegerByteSequenceReader $integer_reader,
private MemoryReaderInterface $memory_reader
) {
}
/**
* @throws MemoryReaderException
* @throws ProcessSymbolReaderException
* @throws TlsFinderException
*/
public function findTsrmLsCache(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): ?int {
$tsrm_ls_cache_cdata = $this->getSymbolReader(
$process_specifier,
$target_php_settings
)->read('_tsrm_ls_cache');
if (isset($tsrm_ls_cache_cdata)) {
$tsrm_ls_cache_address = $this->integer_reader->read64(
new CDataByteReader($tsrm_ls_cache_cdata),
0
)->toInt();
if ($tsrm_ls_cache_address === 0) {
return null;
}
return $tsrm_ls_cache_address;
}
return null;
}
/**
* @throws MemoryReaderException
* @throws ProcessSymbolReaderException
* @throws TlsFinderException
*/
public function getSymbolReader(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): ProcessSymbolReaderInterface {
return $this->php_symbol_reader_creator->create(
$process_specifier->pid,
$target_php_settings->php_regex,
$target_php_settings->libpthread_regex,
$target_php_settings->php_path,
$target_php_settings->libpthread_path
);
}
public function getZtsGlobalsSymbolReader(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): ProcessSymbolReaderInterface {
return $this->php_symbol_reader_creator->create(
$process_specifier->pid,
$target_php_settings->zts_globals_regex,
$target_php_settings->libpthread_regex,
$target_php_settings->php_path,
$target_php_settings->libpthread_path
);
}
/**
* @param TargetPhpSettings<value-of<ZendTypeReader::ALL_SUPPORTED_VERSIONS>> $target_php_settings
* @throws ElfParserException
* @throws MemoryReaderException
* @throws ProcessSymbolReaderException
* @throws TlsFinderException
*/
public function findExecutorGlobals(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): int {
return $this->findGlobals(
$process_specifier,
$target_php_settings,
'executor_globals'
);
}
/**
* @param TargetPhpSettings<value-of<ZendTypeReader::ALL_SUPPORTED_VERSIONS>> $target_php_settings
* @throws ElfParserException
* @throws MemoryReaderException
* @throws ProcessSymbolReaderException
* @throws TlsFinderException
*/
public function findCompilerGlobals(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): int {
return $this->findGlobals(
$process_specifier,
$target_php_settings,
'compiler_globals'
);
}
public function findModuleRegistry(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): ?int {
$symbol_reader = $this->getZtsGlobalsSymbolReader(
$process_specifier,
$target_php_settings
);
$module_registry = $symbol_reader->resolveAddress('module_registry');
return $module_registry;
}
public function findGlobals(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings,
string $symbol_name,
): int {
$tsrm_ls_cache = $this->findTsrmLsCache($process_specifier, $target_php_settings);
if (isset($tsrm_ls_cache)) {
switch ($target_php_settings->php_version) {
case ZendTypeReader::V70:
case ZendTypeReader::V71:
case ZendTypeReader::V72:
case ZendTypeReader::V73:
$id_symbol = $symbol_name . '_id';
$globals_id_cdata = $this->getZtsGlobalsSymbolReader($process_specifier, $target_php_settings)
->read($id_symbol);
if (is_null($globals_id_cdata)) {
throw new RuntimeException('global symbol id not found');
}
$tsrm_ls_cache_dereferenced = $this->integer_reader->read64(
new CDataByteReader(
$this->memory_reader->read(
$process_specifier->pid,
$tsrm_ls_cache,
8
)
),
0
)->toInt();
$globals_id = $this->integer_reader->read32(
new CDataByteReader($globals_id_cdata),
0
);
return $this->integer_reader->read64(
new CDataByteReader(
$this->memory_reader->read(
$process_specifier->pid,
$tsrm_ls_cache_dereferenced + ($globals_id - 1) * 8,
8
)
),
0
)->toInt();
case ZendTypeReader::V74:
case ZendTypeReader::V80:
case ZendTypeReader::V81:
case ZendTypeReader::V82:
case ZendTypeReader::V83:
$offset = $symbol_name . '_offset';
$globals_offset_cdata = $this->getZtsGlobalsSymbolReader(
$process_specifier,
$target_php_settings
)->read($offset);
if (is_null($globals_offset_cdata)) {
throw new RuntimeException('globals offset not found');
}
$globals_offset = $this->integer_reader->read64(
new CDataByteReader($globals_offset_cdata),
0
)->toInt();
return $tsrm_ls_cache + $globals_offset;
default:
throw new \LogicException('this should never happen');
}
}
$globals_address = $this->getSymbolReader($process_specifier, $target_php_settings)
->resolveAddress($symbol_name);
if (is_null($globals_address)) {
throw new RuntimeException('global symbol not found ' . $symbol_name);
}
return $globals_address;
}
public function findSAPIGlobals(
ProcessSpecifier $process_specifier,
TargetPhpSettings $target_php_settings
): int {
return $this->findGlobals(
$process_specifier,
$target_php_settings,
'sapi_globals'
);
}
}
Function Calls
None |
Stats
MD5 | 93f913b3ed05637b50459ec8793d2024 |
Eval Count | 0 |
Decode Time | 134 ms |