From 535104cb842271eb9c76c3739c910477bf16ae75 Mon Sep 17 00:00:00 2001
From: terrafrost <terrafrost@php.net>
Date: Tue, 8 Nov 2016 09:11:57 -0600
Subject: [PATCH] SSH2: send the identifier first, before reading it

---
 phpseclib/Net/SSH2.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 8281e73a..12741c73 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -1056,6 +1056,10 @@ class Net_SSH2
             }
         }
 
+        $this->identifier = $this->_generate_identifier();
+
+        fputs($this->fsock, $this->identifier . "\r\n");
+
         /* According to the SSH2 specs,
 
           "The server MAY send other lines of data before sending the version
@@ -1099,8 +1103,6 @@ class Net_SSH2
             return false;
         }
 
-        $this->identifier = $this->_generate_identifier();
-
         if (defined('NET_SSH2_LOGGING')) {
             $this->_append_log('<-', $extra . $temp);
             $this->_append_log('->', $this->identifier . "\r\n");
@@ -1116,8 +1118,6 @@ class Net_SSH2
             return false;
         }
 
-        fputs($this->fsock, $this->identifier . "\r\n");
-
         $response = $this->_get_binary_packet();
         if ($response === false) {
             user_error('Connection closed by server');