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SSH2: send the identifier first, before reading it

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This commit is contained in:
terrafrost 2016-11-08 09:11:57 -06:00
parent d760d97fc8
commit 535104cb84
1 changed files with 4 additions and 4 deletions
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8
phpseclib/Net/SSH2.php
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@ -1056,6 +1056,10 @@ class Net_SSH2
} }
} }
$this->identifier = $this->_generate_identifier();
fputs($this->fsock, $this->identifier . "\r\n");
/* According to the SSH2 specs, /* According to the SSH2 specs,
"The server MAY send other lines of data before sending the version "The server MAY send other lines of data before sending the version
@ -1099,8 +1103,6 @@ class Net_SSH2
return false; return false;
} }
$this->identifier = $this->_generate_identifier();
if (defined('NET_SSH2_LOGGING')) { if (defined('NET_SSH2_LOGGING')) {
$this->_append_log('<-', $extra . $temp); $this->_append_log('<-', $extra . $temp);
$this->_append_log('->', $this->identifier . "\r\n"); $this->_append_log('->', $this->identifier . "\r\n");
@ -1116,8 +1118,6 @@ class Net_SSH2
return false; return false;
} }
fputs($this->fsock, $this->identifier . "\r\n");
$response = $this->_get_binary_packet(); $response = $this->_get_binary_packet();
if ($response === false) { if ($response === false) {
user_error('Connection closed by server'); user_error('Connection closed by server');