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SSH1: Make it so SSH packets spanning multiple TCP/IP packets can be rcvd

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This commit is contained in:
terrafrost 2013-01-12 10:45:35 -06:00
parent bbed0916cd
commit b8768c8d11
1 changed files with 12 additions and 6 deletions
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18
phpseclib/Net/SSH1.php
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@ -888,7 +888,7 @@ class Net_SSH1 {
preg_match($expect, $this->interactiveBuffer, $matches); preg_match($expect, $this->interactiveBuffer, $matches);
$match = isset($matches[0]) ? $matches[0] : array(); $match = isset($matches[0]) ? $matches[0] : array();
} }
$pos = !empty($match) ? strpos($this->interactiveBuffer, $match) : false; $pos = strlen($match) ? strpos($this->interactiveBuffer, $match) : false;
if ($pos !== false) { if ($pos !== false) {
return $this->_string_shift($this->interactiveBuffer, $pos + strlen($match)); return $this->_string_shift($this->interactiveBuffer, $pos + strlen($match));
} }
@ -1000,7 +1000,7 @@ class Net_SSH1 {
if ($this->bitmap) { if ($this->bitmap) {
$data = pack('C', NET_SSH1_CMSG_EOF); $data = pack('C', NET_SSH1_CMSG_EOF);
$this->_send_binary_packet($data); $this->_send_binary_packet($data);
/*
$response = $this->_get_binary_packet(); $response = $this->_get_binary_packet();
if ($response === true) { if ($response === true) {
$response = array(NET_SSH1_RESPONSE_TYPE => -1); $response = array(NET_SSH1_RESPONSE_TYPE => -1);
@ -1012,6 +1012,8 @@ class Net_SSH1 {
default: default:
$data = pack('CNa*', NET_SSH1_MSG_DISCONNECT, strlen($msg), $msg); $data = pack('CNa*', NET_SSH1_MSG_DISCONNECT, strlen($msg), $msg);
} }
*/
$data = pack('CNa*', NET_SSH1_MSG_DISCONNECT, strlen($msg), $msg);
$this->_send_binary_packet($data); $this->_send_binary_packet($data);
fclose($this->fsock); fclose($this->fsock);
@ -1060,10 +1062,14 @@ class Net_SSH1 {
$padding_length = 8 - ($temp['length'] & 7); $padding_length = 8 - ($temp['length'] & 7);
$length = $temp['length'] + $padding_length; $length = $temp['length'] + $padding_length;
$raw = fread($this->fsock, $length); while ($length > 0) {
$temp = fread($this->fsock, $length);
$raw.= $temp;
$length-= strlen($temp);
}
$stop = strtok(microtime(), ' ') + strtok(''); $stop = strtok(microtime(), ' ') + strtok('');
if ($this->crypto !== false) { if (strlen($raw) && $this->crypto !== false) {
$raw = $this->crypto->decrypt($raw); $raw = $this->crypto->decrypt($raw);
} }
@ -1378,7 +1384,7 @@ class Net_SSH1 {
$current_log = $message_log[$i]; $current_log = $message_log[$i];
$j = 0; $j = 0;
do { do {
if (!empty($current_log)) { if (strlen($current_log)) {
$output.= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0 '; $output.= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0 ';
} }
$fragment = $this->_string_shift($current_log, $short_width); $fragment = $this->_string_shift($current_log, $short_width);
@ -1395,7 +1401,7 @@ class Net_SSH1 {
$raw = preg_replace('#[^\x20-\x7E]|<#', '.', $fragment); $raw = preg_replace('#[^\x20-\x7E]|<#', '.', $fragment);
$output.= str_pad($hex, $long_width - $short_width, ' ') . $raw . "\r\n"; $output.= str_pad($hex, $long_width - $short_width, ' ') . $raw . "\r\n";
$j++; $j++;
} while (!empty($current_log)); } while (strlen($current_log));
$output.= "\r\n"; $output.= "\r\n";
} }