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routeros_api.class.php
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routeros_api.class.php
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<?php
//
// RouterOS API class
// Author: Denis Basta
//
// read() function altered by Nick Barnes to take into account the placing
// of the "!done" reply and also correct calculation of the reply length.
///
// read() function altered by Ben Menking ([email protected]); removed
// echo statement that dumped byte data to screen
//
///////////////////////////
// Revised by: Jeremy Jefferson (http://jeremyj.com)
// January 8, 2010
//
// Fixed write function in order to allow for queries to be executed
//
class routeros_api {
var $debug = false; // Show debug information
var $error_no; // Variable for storing connection error number, if any
var $error_str; // Variable for storing connection error text, if any
var $attempts = 5; // Connection attempt count
var $connected = false; // Connection state
var $delay = 3; // Delay between connection attempts in seconds
var $port = 8728; // Port to connect to
var $timeout = 3; // Connection attempt timeout and data read timeout
var $socket; // Variable for storing socket resource
/**************************************************
*
*************************************************/
function debug($text) {
if ($this->debug)
echo $text . "\n";
}
/**************************************************
*
*************************************************/
function encode_length($length) {
if ($length < 0x80) {
$length = chr($length);
}
else
if ($length < 0x4000) {
$length |= 0x8000;
$length = chr( ($length >> 8) & 0xFF) . chr($length & 0xFF);
}
else
if ($length < 0x200000) {
$length |= 0xC00000;
$length = chr( ($length >> 8) & 0xFF) . chr( ($length >> 8) & 0xFF) . chr($length & 0xFF);
}
else
if ($length < 0x10000000) {
$length |= 0xE0000000;
$length = chr( ($length >> 8) & 0xFF) . chr( ($length >> 8) & 0xFF) . chr( ($length >> 8) & 0xFF) . chr($length & 0xFF);
}
else
if ($length >= 0x10000000)
$length = chr(0xF0) . chr( ($length >> 8) & 0xFF) . chr( ($length >> 8) & 0xFF) . chr( ($length >> 8) & 0xFF) . chr($length & 0xFF);
return $length;
}
/**************************************************
*
*************************************************/
function connect($ip, $login, $password) {
for ($ATTEMPT = 1; $ATTEMPT <= $this->attempts; $ATTEMPT++) {
$this->connected = false;
$this->debug('Connection attempt #' . $ATTEMPT . ' to ' . $ip . ':' . $this->port . '...');
if ($this->socket = @fsockopen($ip, $this->port, $this->error_no, $this->error_str, $this->timeout) ) {
socket_set_timeout($this->socket, $this->timeout);
$this->write('/login');
$RESPONSE = $this->read(false);
if ($RESPONSE[0] == '!done') {
if (preg_match_all('/[^=]+/i', $RESPONSE[1], $MATCHES) ) {
if ($MATCHES[0][0] == 'ret' && strlen($MATCHES[0][1]) == 32) {
$this->write('/login', false);
$this->write('=name=' . $login, false);
$this->write('=response=00' . md5(chr(0) . $password . pack('H*', $MATCHES[0][1]) ) );
$RESPONSE = $this->read(false);
if ($RESPONSE[0] == '!done') {
$this->connected = true;
break;
}
}
}
}
fclose($this->socket);
}
sleep($this->delay);
}
if ($this->connected)
$this->debug('Connected...');
else
$this->debug('Error...');
return $this->connected;
}
/**************************************************
*
*************************************************/
function disconnect() {
fclose($this->socket);
$this->connected = false;
$this->debug('Disconnected...');
}
/**************************************************
*
*************************************************/
function parse_response($response) {
if (is_array($response) ) {
$PARSED = array();
$CURRENT = null;
for ($i = 0, $imax = count($response); $i < $imax; $i++) {
if (in_array($response[$i], array('!fatal', '!re', '!trap') ) ) {
if ($response[$i] == '!re')
$CURRENT = &$PARSED[];
else
$CURRENT = &$PARSED[$response[$i]][];
}
else
if ($response[$i] != '!done') {
if (preg_match_all('/[^=]+/i', $response[$i], $MATCHES) )
$CURRENT[$MATCHES[0][0]] = (isset($MATCHES[0][1]) ? $MATCHES[0][1] : '');
}
}
return $PARSED;
}
else
return array();
}
/**************************************************
*
*************************************************/
function array_change_key_name(&$array) {
if (is_array($array) ) {
foreach ($array as $k => $v) {
$tmp = "";
$tmp = str_replace("-","_",$k);
$tmp = str_replace("/","_",$tmp);
if ($tmp) {
$array_new[$tmp] = $v;
} else {
$array_new[$k] = $v;
}
}
return $array_new;
} else {
return $array;
}
}
/**************************************************
*
*************************************************/
function parse_response4smarty($response) {
if (is_array($response) ) {
$PARSED = array();
$CURRENT = null;
for ($i = 0, $imax = count($response); $i < $imax; $i++) {
if (in_array($response[$i], array('!fatal', '!re', '!trap') ) ) {
if ($response[$i] == '!re')
$CURRENT = &$PARSED[];
else
$CURRENT = &$PARSED[$response[$i]][];
}
else
if ($response[$i] != '!done') {
if (preg_match_all('/[^=]+/i', $response[$i], $MATCHES) )
$CURRENT[$MATCHES[0][0]] = (isset($MATCHES[0][1]) ? $MATCHES[0][1] : '');
}
}
foreach ($PARSED as $key => $value) {
$PARSED[$key] = $this->array_change_key_name($PARSED[$key]);
}
return $PARSED;
}
else {
return array();
}
}
/**************************************************
*
*************************************************/
function read($parse = true) {
$RESPONSE = array();
while (true) {
// Read the first byte of input which gives us some or all of the length
// of the remaining reply.
$BYTE = ord(fread($this->socket, 1) );
$LENGTH = 0;
// If the first bit is set then we need to remove the first four bits, shift left 8
// and then read another byte in.
// We repeat this for the second and third bits.
// If the fourth bit is set, we need to remove anything left in the first byte
// and then read in yet another byte.
if ($BYTE & 128) {
if (($BYTE & 192) == 128) {
$LENGTH = (($BYTE & 63) << 8 ) + ord(fread($this->socket, 1)) ;
} else {
if (($BYTE & 224) == 192) {
$LENGTH = (($BYTE & 31) << 8 ) + ord(fread($this->socket, 1)) ;
$LENGTH = ($LENGTH << 8 ) + ord(fread($this->socket, 1)) ;
} else {
if (($BYTE & 240) == 224) {
$LENGTH = (($BYTE & 15) << 8 ) + ord(fread($this->socket, 1)) ;
$LENGTH = ($LENGTH << 8 ) + ord(fread($this->socket, 1)) ;
$LENGTH = ($LENGTH << 8 ) + ord(fread($this->socket, 1)) ;
} else {
$LENGTH = ord(fread($this->socket, 1)) ;
$LENGTH = ($LENGTH << 8 ) + ord(fread($this->socket, 1)) ;
$LENGTH = ($LENGTH << 8 ) + ord(fread($this->socket, 1)) ;
$LENGTH = ($LENGTH << 8 ) + ord(fread($this->socket, 1)) ;
}
}
}
} else {
$LENGTH = $BYTE;
}
// If we have got more characters to read, read them in.
if ($LENGTH > 0) {
$_ = "";
$retlen=0;
while ($retlen < $LENGTH) {
$toread = $LENGTH - $retlen ;
$_ .= fread($this->socket, $toread);
$retlen = strlen($_);
}
$RESPONSE[] = $_ ;
$this->debug('>>> [' . $retlen . '/' . $LENGTH . ' bytes read.');
}
// If we get a !done, make a note of it.
if ($_ == "!done")
$receiveddone=true;
$STATUS = socket_get_status($this->socket);
if ($LENGTH > 0)
$this->debug('>>> [' . $LENGTH . ', ' . $STATUS['unread_bytes'] . '] ' . $_);
if ( (!$this->connected && !$STATUS['unread_bytes']) ||
($this->connected && !$STATUS['unread_bytes'] && $receiveddone) )
break;
}
if ($parse)
$RESPONSE = $this->parse_response($RESPONSE);
return $RESPONSE;
}
/**************************************************
*
*************************************************/
function write($command, $param2 = true) {
if ($command) {
$data = explode("\n",$command);
foreach ($data as $com) {
$com = trim($com);
fwrite($this->socket, $this->encode_length(strlen($com) ) . $com);
$this->debug('<<< [' . strlen($com) . '] ' . $com);
}
if (gettype($param2) == 'integer') {
fwrite($this->socket, $this->encode_length(strlen('.tag=' . $param2) ) . '.tag=' . $param2 . chr(0) );
$this->debug('<<< [' . strlen('.tag=' . $param2) . '] .tag=' . $param2);
}
else
if (gettype($param2) == 'boolean')
fwrite($this->socket, ($param2 ? chr(0) : '') );
return true;
}
else
return false;
}
}
?>