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Merge branch 'master' of https://github.com/phpseclib/phpseclib

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This commit is contained in:
terrafrost 2013-12-27 10:24:47 -06:00
commit d2c4ccfc28
10 changed files with 310 additions and 204 deletions
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6
phpseclib/Crypt/Random.php
View File

@ -131,9 +131,7 @@ function crypt_random_string($length)
$old_session_id = session_id();
$old_use_cookies = ini_get('session.use_cookies');
$old_session_cache_limiter = session_cache_limiter();
if (isset($_SESSION)) {
$_OLD_SESSION = $_SESSION;
}
$_OLD_SESSION = isset($_SESSION) ? $_SESSION : false;
if ($old_session_id != '') {
session_write_close();
}
@ -166,7 +164,7 @@ function crypt_random_string($length)
ini_set('session.use_cookies', $old_use_cookies);
session_cache_limiter($old_session_cache_limiter);
} else {
if (isset($_OLD_SESSION)) {
if ($_OLD_SESSION !== false) {
$_SESSION = $_OLD_SESSION;
unset($_OLD_SESSION);
} else {

10
phpseclib/Net/SFTP.php
View File

@ -402,7 +402,7 @@ class Net_SFTP extends Net_SSH2
function login($username)
{
$args = func_get_args();
if (!call_user_func_array(array('Net_SSH2', 'login'), $args)) {
if (!call_user_func_array(array(&$this, '_login'), $args)) {
return false;
}
@ -1042,7 +1042,7 @@ class Net_SFTP extends Net_SSH2
*/
function truncate($filename, $new_size)
{
$attr = pack('N3', NET_SFTP_ATTR_SIZE, $new_size / 0x100000000, $new_size);
$attr = pack('N3', NET_SFTP_ATTR_SIZE, $new_size / 4294967296, $new_size); // 4294967296 == 0x100000000 == 1<<32
return $this->_setstat($filename, $attr, false);
}
@ -1539,7 +1539,7 @@ class Net_SFTP extends Net_SSH2
while ($sent < $size) {
$temp = $mode & NET_SFTP_LOCAL_FILE ? fread($fp, $sftp_packet_size) : substr($data, $sent, $sftp_packet_size);
$subtemp = $offset + $sent;
$packet = pack('Na*N3a*', strlen($handle), $handle, $subtemp / 0x100000000, $subtemp, strlen($temp), $temp);
$packet = pack('Na*N3a*', strlen($handle), $handle, $subtemp / 4294967296, $subtemp, strlen($temp), $temp);
if (!$this->_send_sftp_packet(NET_SFTP_WRITE, $packet)) {
fclose($fp);
return false;
@ -1687,7 +1687,7 @@ class Net_SFTP extends Net_SSH2
$size = $this->max_sftp_packet < $length || $length < 0 ? $this->max_sftp_packet : $length;
while (true) {
$packet = pack('Na*N3', strlen($handle), $handle, $offset / 0x100000000, $offset, $size);
$packet = pack('Na*N3', strlen($handle), $handle, $offset / 4294967296, $offset, $size);
if (!$this->_send_sftp_packet(NET_SFTP_READ, $packet)) {
if ($local_file !== false) {
fclose($fp);
@ -1925,7 +1925,7 @@ class Net_SFTP extends Net_SSH2
// (0xFFFFFFFF bytes), anyway. as such, we'll just represent all file sizes that are bigger than
// 4GB as being 4GB.
extract(unpack('Nupper/Nsize', $this->_string_shift($response, 8)));
$attr['size'] = $upper ? 0x100000000 * $upper : 0;
$attr['size'] = $upper ? 4294967296 * $upper : 0;
$attr['size']+= $size < 0 ? ($size & 0x7FFFFFFF) + 0x80000000 : $size;
break;
case NET_SFTP_ATTR_UIDGID: // 0x00000002 (SFTPv3 only)

162
phpseclib/Net/SSH1.php
View File

@ -201,11 +201,11 @@ define('NET_SSH1_LOG_COMPLEX', 2);
/**
* Outputs the content real-time
*/
define('NET_SSH2_LOG_REALTIME', 3);
define('NET_SSH1_LOG_REALTIME', 3);
/**
* Dumps the content real-time to a file
*/
define('NET_SSH2_LOG_REALTIME_FILE', 4);
define('NET_SSH1_LOG_REALTIME_FILE', 4);
/**#@-*/
/**#@+
@ -429,11 +429,35 @@ class Net_SSH1
/**
* Current Timeout
*
* @see Net_SSH2::_get_channel_packet()
* @see Net_SSH1::_get_channel_packet()
* @access private
*/
var $curTimeout;
/**
* Log Boundary
*
* @see Net_SSH1::_format_log
* @access private
*/
var $log_boundary = ':';
/**
* Log Long Width
*
* @see Net_SSH1::_format_log
* @access private
*/
var $log_long_width = 65;
/**
* Log Short Width
*
* @see Net_SSH1::_format_log
* @access private
*/
var $log_short_width = 16;
/**
* Default Constructor.
*
@ -1318,7 +1342,7 @@ class Net_SSH1
/**
* Returns a log of the packets that have been sent and received.
*
* Returns a string if NET_SSH2_LOGGING == NET_SSH2_LOG_COMPLEX, an array if NET_SSH2_LOGGING == NET_SSH2_LOG_SIMPLE and false if !defined('NET_SSH2_LOGGING')
* Returns a string if NET_SSH1_LOGGING == NET_SSH1_LOG_COMPLEX, an array if NET_SSH1_LOGGING == NET_SSH1_LOG_SIMPLE and false if !defined('NET_SSH1_LOGGING')
*
* @access public
* @return String or Array
@ -1351,8 +1375,6 @@ class Net_SSH1
*/
function _format_log($message_log, $message_number_log)
{
static $boundary = ':', $long_width = 65, $short_width = 16;
$output = '';
for ($i = 0; $i < count($message_log); $i++) {
$output.= $message_number_log[$i] . "\r\n";
@ -1362,19 +1384,13 @@ class Net_SSH1
if (strlen($current_log)) {
$output.= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0 ';
}
$fragment = $this->_string_shift($current_log, $short_width);
$hex = substr(
preg_replace(
'#(.)#es',
'"' . $boundary . '" . str_pad(dechex(ord(substr("\\1", -1))), 2, "0", STR_PAD_LEFT)',
$fragment),
strlen($boundary)
);
$fragment = $this->_string_shift($current_log, $this->log_short_width);
$hex = substr(preg_replace_callback('#.#s', array($this, '_format_log_helper'), $fragment), strlen($this->log_boundary));
// replace non ASCII printable characters with dots
// http://en.wikipedia.org/wiki/ASCII#ASCII_printable_characters
// also replace < with a . since < messes up the output on web browsers
$raw = preg_replace('#[^\x20-\x7E]|<#', '.', $fragment);
$output.= str_pad($hex, $long_width - $short_width, ' ') . $raw . "\r\n";
$output.= str_pad($hex, $this->log_long_width - $this->log_short_width, ' ') . $raw . "\r\n";
$j++;
} while (strlen($current_log));
$output.= "\r\n";
@ -1383,6 +1399,20 @@ class Net_SSH1
return $output;
}
/**
* Helper function for _format_log
*
* For use with preg_replace_callback()
*
* @param Array $matches
* @access private
* @return String
*/
function _format_log_helper($matches)
{
return $this->log_boundary . str_pad(dechex(ord($matches[0])), 2, '0', STR_PAD_LEFT);
}
/**
* Return the server key public exponent
*
@ -1496,57 +1526,57 @@ class Net_SSH1
*/
function _append_log($protocol_flags, $message)
{
switch (NET_SSH1_LOGGING) {
// useful for benchmarks
case NET_SSH1_LOG_SIMPLE:
$this->protocol_flags_log[] = $protocol_flags;
switch (NET_SSH1_LOGGING) {
// useful for benchmarks
case NET_SSH1_LOG_SIMPLE:
$this->protocol_flags_log[] = $protocol_flags;
break;
// the most useful log for SSH1
case NET_SSH1_LOG_COMPLEX:
$this->protocol_flags_log[] = $protocol_flags;
$this->_string_shift($message);
$this->log_size+= strlen($message);
$this->message_log[] = $message;
while ($this->log_size > NET_SSH1_LOG_MAX_SIZE) {
$this->log_size-= strlen(array_shift($this->message_log));
array_shift($this->protocol_flags_log);
}
break;
// dump the output out realtime; packets may be interspersed with non packets,
// passwords won't be filtered out and select other packets may not be correctly
// identified
case NET_SSH1_LOG_REALTIME:
echo "<pre>\r\n" . $this->_format_log(array($message), array($protocol_flags)) . "\r\n</pre>\r\n";
@flush();
@ob_flush();
break;
// basically the same thing as NET_SSH1_LOG_REALTIME with the caveat that NET_SSH1_LOG_REALTIME_FILE
// needs to be defined and that the resultant log file will be capped out at NET_SSH1_LOG_MAX_SIZE.
// the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily
// at the beginning of the file
case NET_SSH1_LOG_REALTIME_FILE:
if (!isset($this->realtime_log_file)) {
// PHP doesn't seem to like using constants in fopen()
$filename = NET_SSH1_LOG_REALTIME_FILE;
$fp = fopen($filename, 'w');
$this->realtime_log_file = $fp;
}
if (!is_resource($this->realtime_log_file)) {
break;
// the most useful log for SSH1
case NET_SSH1_LOG_COMPLEX:
$this->protocol_flags_log[] = $protocol_flags;
$this->_string_shift($message);
$this->log_size+= strlen($message);
$this->message_log[] = $message;
while ($this->log_size > NET_SSH2_LOG_MAX_SIZE) {
$this->log_size-= strlen(array_shift($this->message_log));
array_shift($this->protocol_flags_log);
}
break;
// dump the output out realtime; packets may be interspersed with non packets,
// passwords won't be filtered out and select other packets may not be correctly
// identified
case NET_SSH1_LOG_REALTIME:
echo "<pre>\r\n" . $this->_format_log(array($message), array($protocol_flags)) . "\r\n</pre>\r\n";
@flush();
@ob_flush();
break;
// basically the same thing as NET_SSH1_LOG_REALTIME with the caveat that NET_SSH1_LOG_REALTIME_FILE
// needs to be defined and that the resultant log file will be capped out at NET_SSH1_LOG_MAX_SIZE.
// the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily
// at the beginning of the file
case NET_SSH1_LOG_REALTIME_FILE:
if (!isset($this->realtime_log_file)) {
// PHP doesn't seem to like using constants in fopen()
$filename = NET_SSH2_LOG_REALTIME_FILE;
$fp = fopen($filename, 'w');
$this->realtime_log_file = $fp;
}
if (!is_resource($this->realtime_log_file)) {
break;
}
$entry = $this->_format_log(array($message), array($protocol_flags));
if ($this->realtime_log_wrap) {
$temp = "<<< START >>>\r\n";
$entry.= $temp;
fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp));
}
$this->realtime_log_size+= strlen($entry);
if ($this->realtime_log_size > NET_SSH1_LOG_MAX_SIZE) {
fseek($this->realtime_log_file, 0);
$this->realtime_log_size = strlen($entry);
$this->realtime_log_wrap = true;
}
fputs($this->realtime_log_file, $entry);
}
}
$entry = $this->_format_log(array($message), array($protocol_flags));
if ($this->realtime_log_wrap) {
$temp = "<<< START >>>\r\n";
$entry.= $temp;
fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp));
}
$this->realtime_log_size+= strlen($entry);
if ($this->realtime_log_size > NET_SSH1_LOG_MAX_SIZE) {
fseek($this->realtime_log_file, 0);
$this->realtime_log_size = strlen($entry);
$this->realtime_log_wrap = true;
}
fputs($this->realtime_log_file, $entry);
}
}
}

155
phpseclib/Net/SSH2.php
View File

@ -1284,7 +1284,8 @@ class Net_SSH2
-- http://tools.ietf.org/html/rfc4419#section-6.2 */
$one = new Math_BigInteger(1);
$keyLength = min($keyLength, $kexHash->getLength());
$max = $one->bitwise_leftShift(16 * $keyLength)->subtract($one); // 2 * 8 * $keyLength
$max = $one->bitwise_leftShift(16 * $keyLength); // 2 * 8 * $keyLength
$max = $max->subtract($one);
$x = $one->random($one, $max);
$e = $g->modPow($x, $prime);
@ -1671,10 +1672,26 @@ class Net_SSH2
* @param Mixed $password
* @param Mixed $...
* @return Boolean
* @see _login_helper
* @see _login
* @access public
*/
function login($username)
{
$args = func_get_args();
return call_user_func_array(array(&$this, '_login'), $args);
}
/**
* Login Helper
*
* @param String $username
* @param Mixed $password
* @param Mixed $...
* @return Boolean
* @see _login_helper
* @access private
*/
function _login($username)
{
$args = array_slice(func_get_args(), 1);
if (empty($args)) {
@ -2989,70 +3006,70 @@ class Net_SSH2
*/
function _append_log($message_number, $message)
{
// remove the byte identifying the message type from all but the first two messages (ie. the identification strings)
if (strlen($message_number) > 2) {
$this->_string_shift($message);
}
// remove the byte identifying the message type from all but the first two messages (ie. the identification strings)
if (strlen($message_number) > 2) {
$this->_string_shift($message);
}
switch (NET_SSH2_LOGGING) {
// useful for benchmarks
case NET_SSH2_LOG_SIMPLE:
$this->message_number_log[] = $message_number;
break;
// the most useful log for SSH2
case NET_SSH2_LOG_COMPLEX:
$this->message_number_log[] = $message_number;
$this->log_size+= strlen($message);
$this->message_log[] = $message;
while ($this->log_size > NET_SSH2_LOG_MAX_SIZE) {
$this->log_size-= strlen(array_shift($this->message_log));
array_shift($this->message_number_log);
}
break;
// dump the output out realtime; packets may be interspersed with non packets,
// passwords won't be filtered out and select other packets may not be correctly
// identified
case NET_SSH2_LOG_REALTIME:
switch (PHP_SAPI) {
case 'cli':
$start = $stop = "\r\n";
break;
default:
$start = '<pre>';
$stop = '</pre>';
}
echo $start . $this->_format_log(array($message), array($message_number)) . $stop;
@flush();
@ob_flush();
break;
// basically the same thing as NET_SSH2_LOG_REALTIME with the caveat that NET_SSH2_LOG_REALTIME_FILE
// needs to be defined and that the resultant log file will be capped out at NET_SSH2_LOG_MAX_SIZE.
// the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily
// at the beginning of the file
case NET_SSH2_LOG_REALTIME_FILE:
if (!isset($this->realtime_log_file)) {
// PHP doesn't seem to like using constants in fopen()
$filename = NET_SSH2_LOG_REALTIME_FILENAME;
$fp = fopen($filename, 'w');
$this->realtime_log_file = $fp;
}
if (!is_resource($this->realtime_log_file)) {
switch (NET_SSH2_LOGGING) {
// useful for benchmarks
case NET_SSH2_LOG_SIMPLE:
$this->message_number_log[] = $message_number;
break;
// the most useful log for SSH2
case NET_SSH2_LOG_COMPLEX:
$this->message_number_log[] = $message_number;
$this->log_size+= strlen($message);
$this->message_log[] = $message;
while ($this->log_size > NET_SSH2_LOG_MAX_SIZE) {
$this->log_size-= strlen(array_shift($this->message_log));
array_shift($this->message_number_log);
}
break;
// dump the output out realtime; packets may be interspersed with non packets,
// passwords won't be filtered out and select other packets may not be correctly
// identified
case NET_SSH2_LOG_REALTIME:
switch (PHP_SAPI) {
case 'cli':
$start = $stop = "\r\n";
break;
}
$entry = $this->_format_log(array($message), array($message_number));
if ($this->realtime_log_wrap) {
$temp = "<<< START >>>\r\n";
$entry.= $temp;
fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp));
}
$this->realtime_log_size+= strlen($entry);
if ($this->realtime_log_size > NET_SSH2_LOG_MAX_SIZE) {
fseek($this->realtime_log_file, 0);
$this->realtime_log_size = strlen($entry);
$this->realtime_log_wrap = true;
}
fputs($this->realtime_log_file, $entry);
}
default:
$start = '<pre>';
$stop = '</pre>';
}
echo $start . $this->_format_log(array($message), array($message_number)) . $stop;
@flush();
@ob_flush();
break;
// basically the same thing as NET_SSH2_LOG_REALTIME with the caveat that NET_SSH2_LOG_REALTIME_FILE
// needs to be defined and that the resultant log file will be capped out at NET_SSH2_LOG_MAX_SIZE.
// the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily
// at the beginning of the file
case NET_SSH2_LOG_REALTIME_FILE:
if (!isset($this->realtime_log_file)) {
// PHP doesn't seem to like using constants in fopen()
$filename = NET_SSH2_LOG_REALTIME_FILENAME;
$fp = fopen($filename, 'w');
$this->realtime_log_file = $fp;
}
if (!is_resource($this->realtime_log_file)) {
break;
}
$entry = $this->_format_log(array($message), array($message_number));
if ($this->realtime_log_wrap) {
$temp = "<<< START >>>\r\n";
$entry.= $temp;
fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp));
}
$this->realtime_log_size+= strlen($entry);
if ($this->realtime_log_size > NET_SSH2_LOG_MAX_SIZE) {
fseek($this->realtime_log_file, 0);
$this->realtime_log_size = strlen($entry);
$this->realtime_log_wrap = true;
}
fputs($this->realtime_log_file, $entry);
}
}
/**
@ -3607,7 +3624,15 @@ class Net_SSH2
*/
function _is_includable($suffix)
{
foreach (explode(PATH_SEPARATOR, get_include_path()) as $prefix) {
// stream_resolve_include_path was introduced in PHP 5.3.2
if (function_exists('stream_resolve_include_path')) {
return stream_resolve_include_path($suffix) !== false;
}
$paths = PATH_SEPARATOR == ':' ?
preg_split('#(?<!phar):#', get_include_path()) :
explode(PATH_SEPARATOR, get_include_path());
foreach ($paths as $prefix) {
$ds = substr($prefix, -1) == DIRECTORY_SEPARATOR ? '' : DIRECTORY_SEPARATOR;
$file = $prefix . $ds . $suffix;

41
tests/Net/SSH1Test.php Normal file
View File

@ -0,0 +1,41 @@
<?php
/**
* @author Marc Scholten <marc@pedigital.de>
* @copyright MMXIII Marc Scholten
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
class Net_SSH1Test extends PhpseclibTestCase
{
public function formatLogDataProvider()
{
return array(
array(
array('hello world'),
array('<--'),
"<--\r\n00000000 68:65:6c:6c:6f:20:77:6f:72:6c:64 hello world\r\n\r\n"
),
array(
array('hello', 'world'),
array('<--', '<--'),
"<--\r\n00000000 68:65:6c:6c:6f hello\r\n\r\n" .
"<--\r\n00000000 77:6f:72:6c:64 world\r\n\r\n"
),
);
}
/**
* @dataProvider formatLogDataProvider
*/
public function testFormatLog(array $message_log, array $message_number_log, $expected)
{
$ssh = $this->getMockBuilder('Net_SSH1')
->disableOriginalConstructor()
->setMethods(null)
->getMock();
$result = $ssh->_format_log($message_log, $message_number_log);
$this->assertEquals($expected, $result);
}
}

12
tests/code_sniffer_ruleset.xml
View File

@ -56,6 +56,18 @@
</rule>
<rule ref="Squiz.Functions.FunctionDeclarationArgumentSpacing.SpacingAfterHint" />
<!-- There MUST NOT be trailing whitespace at the end of lines. -->
<rule ref="Squiz.WhiteSpace.SuperfluousWhitespace" />
<!-- There MUST NOT be whitespace before the first content of a file -->
<rule ref="Squiz.WhiteSpace.SuperfluousWhitespace.StartFile" />
<!-- There MUST NOT be whitespace after the last content of a file -->
<rule ref="Squiz.WhiteSpace.SuperfluousWhitespace.EndFile" />
<!-- Functions MUST NOT contain multiple empty lines in a row -->
<rule ref="Squiz.WhiteSpace.SuperfluousWhitespace.EmptyLines" />
<!-- The ?> closing tag MUST be omitted from files containing only PHP. -->
<rule ref="Zend.Files.ClosingTag" />