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Reorganizing code...
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danogentili
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231c793516
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@ -3,6 +3,12 @@
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//require('vendor/autoload.php');
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require 'lib/danog/PHP/Struct.php';
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//var_dump(["nv", 61, 61, false, 333, 444, 232423, 234342, 243342423424, 234234234234, 234234234234, 234234234234, 34434, 344434, 2.2343, 3.03424, "dd"]);
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/*echo \danog\PHP\Struct::pack('2cbB?hHiIlLqQnNfd2s5pP',
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'n', 'v', -127, 100, true, 333, 444, 232423, 234342, 999999999999, 999999999999, -888888888888,
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888888888888, 34434, 344434, 2.2343,
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3.03424, 'df', 'asdfghjkl', 1283912
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);die;*/
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var_dump(\danog\PHP\Struct::unpack('2cxbxBx?xhxHxixIxlxLxqxQxnxNxfxdx2sx5pP',
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\danog\PHP\Struct::pack('2cxbxBx?xhxHxixIxlxLxqxQxnxNxfxdx2sx5pP',
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'n', 'v', -127, 100, true, 333, 444, 232423, 234342, 999999999999, 999999999999, -888888888888,
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7
example.py
Normal file
7
example.py
Normal file
@ -0,0 +1,7 @@
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import subprocess
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from struct import unpack
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import os
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a = subprocess.Popen(["php", "example.php"], stdout=subprocess.PIPE).communicate()[0]
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print(len(a))
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unpack('2cxbxBx?xhxHxixIxlxLxqxQxnxNxfxdx2sx5pP', a)
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@ -311,15 +311,15 @@ class Struct
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$curresult = pack($command['phpformat'].$command['count'], $data[$command['datakey']]); // Pack current char
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break;
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}
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if (strlen($curresult) != $command['modifiers']['SIZE'] * $command['count']){
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trigger_error('Size of packed data '.strlen($curresult)." isn't equal to expected size ".$command['modifiers']['SIZE'] * $command['count'].'.');
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}
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} catch (StructException $e) {
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throw new StructException('An error occurred while packing data at offset '.$data[$command['datakey']].' ('.$e->getMessage().').');
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throw new StructException('An error occurred while packing '.$data[$command['datakey']].' at offset '.$command['datakey'].' ('.$e->getMessage().').');
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}
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if ($command['modifiers']['FORMAT_ENDIANNESS'] != $command['modifiers']['BIG_ENDIAN']) {
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$curresult = strrev($curresult);
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} // Reverse if wrong endianness
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if (strlen($curresult) != $command['modifiers']['SIZE'] * $command['count']) {
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throw new StructException('Size of packed data from format char '.$command['format'].' ('.strlen($curresult).") isn't equal to expected size (".$command['modifiers']['SIZE'] * $command['count'].').');
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}
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/*
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if (strlen($curresult) > $command['modifiers']['SIZE'] * $command['count']) {
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if ($command['modifiers']['BIG_ENDIAN']) {
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@ -560,7 +560,16 @@ class Struct
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return $result;
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}
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/**
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* binadd.
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*
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* Convert a binary string to an array based on the given format string
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*
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* @param $format Format string
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* @param $data Data to convert to array
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*
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* @return array
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**/
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public function data2array($format, $data)
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{
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$dataarray = [];
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@ -606,65 +615,53 @@ class Struct
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return $dataarray;
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}
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/**
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* array_each_strlen.
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*
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* Get length of each array element.
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*
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* @param $array Array to parse
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*
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* @return array with lengths
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**/
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public function array_each_strlen($array)
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{
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foreach ($array as &$value) {
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$value = $this->count($value);
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}
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return $array;
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}
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/**
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* array_total_strlen.
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*
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* Get total length of every array element.
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*
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* @param $array Array to parse
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*
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* @return int with the total length
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**/
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public function array_total_strlen($array)
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{
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$count = 0;
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foreach ($array as $value) {
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$count += $this->count($value);
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}
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return $count;
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}
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/**
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* decbin.
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*
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* Returns a string containing a binary representation of the given number argument.
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* Returns a string containing a big endian binary representation of the given decimal number.
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* Also pads binary number with zeros to match given $length
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*
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* @param $number Decimal number to turn into binary
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* @param $length Length to reach through padding
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*
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* @return int with the total length
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* @return binary version of the given number
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**/
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public function decbin($number) {
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public function decbin($number, $length) {
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$concat = '';
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if($number < 0){
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$negative = true;
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$number = -$number;
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} else $negative = false;
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while ($number > 0) {
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$concat = ((string)$number % 2) . $concat;
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$number = floor($number / 2);
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}
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$concat = str_pad($concat, $length, "0", STR_PAD_LEFT);
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if($negative) $concat = $this->binadd($this->stringnot($concat), '1');
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if(strlen($concat) > $length) trigger_error("Converted binary number is too long (".strlen($concat)." > ".$length.").");
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return $concat;
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}
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public function bindec($binary) {
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/**
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* bindec.
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*
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* Converts a binary number to a decimal.
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*
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* @param $binary binary number to turn into decimal
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* @param $unsigned if set to false will interpret binary string as signed
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*
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* @return deciaml version of the given number
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**/
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public function bindec($binary, $unsigned = true) {
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$decimal = 0;
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if(!$unsigned && $binary[0] == "1") {
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$binary = $this->binadd($this->stringnot($binary), '1');
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$negative = -1;
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} else $negative = 1;
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foreach (str_split(strrev($binary)) as $n => $bit) {
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$decimal += (pow(2, $n) * $bit);
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}
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return $decimal;
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return $decimal * $negative;
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}
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/**
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* stringnot.
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@ -748,9 +745,7 @@ class Struct
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if ($n < $min || $n > $max) {
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trigger_error('Number is not within required range ('.$min.' <= number <= '.$max.').');
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}
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if (!$unsigned && $n < 0) {
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$bits = $this->binadd($this->stringnot(str_pad($this->decbin(-$n), $bitnumber, "0", STR_PAD_LEFT)), '1');
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} else $bits = str_pad($this->decbin($n), $bitnumber, "0", STR_PAD_LEFT);
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$bits = $this->decbin($n, $bitnumber);
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$s = null;
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foreach (explode("2", wordwrap($bits, 8, "2", true)) as $byte) {
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$s .= chr($this->bindec($byte));
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@ -797,17 +792,46 @@ class Struct
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}
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$bits = '';
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foreach (str_split($s) as $i) {
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$bits .= str_pad($this->decbin(ord($i)), 8, "0", STR_PAD_LEFT);
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$bits .= $this->decbin(ord($i), 8);
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}
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return $this->bindec($bits, $unsigned);
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}
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/**
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* array_each_strlen.
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*
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* Get length of each array element.
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*
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* @param $array Array to parse
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*
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* @return array with lengths
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**/
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public function array_each_strlen($array)
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{
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foreach ($array as &$value) {
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$value = $this->count($value);
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}
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$bits = str_pad($bits, $bitnumber, "0", STR_PAD_LEFT);
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if(!$unsigned && $bits[0] == "1"){
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$bits = $this->binadd($this->stringnot($bits), '1');
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$minus = -1;
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} else $minus = 1;
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return $this->bindec($bits) * $minus;
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return $array;
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}
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/**
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* array_total_strlen.
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*
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* Get total length of every array element.
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*
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* @param $array Array to parse
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*
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* @return int with the total length
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**/
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public function array_total_strlen($array)
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{
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$count = 0;
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foreach ($array as $value) {
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$count += $this->count($value);
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}
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return $count;
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}
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/**
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* range.
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*
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