I'm trying to work with the ssh2 class found at
http://us2.php.net/manual/en/function.ssh2-auth-password.php#56285
to provide user authentication to my server using my users system
usernames and passwords, but I'm having trouble. I copied the code
into its own file and then used require_once to include it. The ssh2
class is giving me a lot of errors, and as I don't know PHP very well,
I just wanted to ask: Is this valid PHP? Is this a problem with my
server or with the code itself? I'm using mod_php-4.4.0-r9 with
apache-2.0.54-r31 . Here's the code:
<?php
class SSH2
{
private $con;
private $host;
private $port;
private $login;
public function __construct($host=NULL, $port=22)
{
$this->host = $host;
$this->port = $port;
$this->con = ssh2_connect($this->host, $this->port);
// connection attempt successful ?
if($this->con === false)
{
$this->con = NULL;
throw new SSH2Exception("Could not connect to host
'".$this->host."' on port ".$this->port);
}
}
public function login($login=NULL, $password=NULL)
{
if(empty($login)) {
throw new IllegalArgumentException("Login failed, no
username supplied");
}
$this->login = $login;
// try to log in
if(!ssh2_auth_password($this->con, $this->login, $password))
{
$this->con = NULL;
throw new SSH2Exception("Password authentication failed for
user '".$this->login."'");
}
}
// returns an array like: array('stdout goes here', 'stderr')
public function exec($cmd)
{
if(empty($this->con)) {
throw new SSH2Exception("Exec failed, no connection
available");
}
// execute the command
$stdio = ssh2_exec($this->con, $cmd);
// get the error stream, otherwise this would be lost
$stderr = ssh2_fetch_stream ($stdio, SSH2_STREAM_STDERR);
// set to blocking mode or we won't get any data
stream_set_blocking($stdio, true);
$data_std = '';
$data_err = '';
// let's fetch the result of our command
while($data = fread($stdio, 131072)) {
//while($data = fgets($stdio)) {
$data_std .= $data;
}
while($data = fread($stderr, 80000)) {
$data_err .= $data;
}
// close the streams
fclose($stdio);
fclose($stderr);
return array($data_std, $data_err);
}
}
class SSH2Exception extends Exception {}
class IllegalArgumentException extends Exception {}
?>
The first line it trips on is line 5: private $con;
It gives me
Parse error: parse error, unexpected T_STRING, expecting
T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in
/home/michael/webspace/html/testing/ssh2.php on line 5
If I replace the "private" with "var" line 5 doesn't generate an
error. The above code looks like pseudo-java to me. Can anyone help
me figure this out?
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