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<?php
// Include config file

$cmd = "/usr/sbin/mts-io-sysfs show product-id";
$handle = popen($cmd, 'r');
$product = fread($handle,4192);
pclose($handle);
$cmd = "/usr/sbin/mts-io-sysfs show device-id";
$handle = popen($cmd, 'r');
$device = fread($handle,4192);
pclose($handle);
$conftxt = "Password";
$finished = "";
$pwdscore = "";
$status = 0;
$save_password = "";

// Define variables and initialize with empty values
$username = $password = $save_password = "";
$username_err = $password_err = $confirm_password_err = "";

openlog("Commision:", LOG_PID | LOG_PERROR, LOG_LOCAL0);
 
// Processing form data when form is submitted
if($_SERVER["REQUEST_METHOD"] == "POST"){
    $mismatch = 1; // We have two different passwords
     
    $save_password = trim($_POST["save_password"]);
     
    syslog(LOG_ALERT, "Enter post: save_password = $save_password");

    // Validate username
    if(empty(trim($_POST["username"]))){
        $username_err = "Please enter a username.";
    } else
        $username = trim($_POST["username"]);
    // Validate password
    if(empty(trim($_POST["password"]))){
        $password_err = "Please enter a password.";
        $mismatch = 0;
    } else {
        $password = trim($_POST["password"]);
        if (empty($save_password)) {
            $mismatch = 0;
            $cmd = "echo '" . $password . "' | /usr/bin/pwscore";
            $handle = popen($cmd, 'r');
            $result = fread($handle,4192);
            if (pclose($handle) === 0) {
                $pwdscore = "Password score: " . $result;
                $save_password = $password;
                $password = "";
                $conftxt = "Re-Enter";
            } else {
                $password_err = $result;
                $password = "";
                syslog(LOG_ALERT, "Need password confirmation");
            }
            syslog(LOG_ALERT, "pwscore: score: $pwdscore msg = $password_err");
        }
    }
    
    if (!empty($password) && ($password === $save_password) && ! empty($username)) {
        syslog(LOG_ALERT, "Have password: $password username: $password");
        if(empty($username_err) && empty($password_err) && empty($confirm_password_err)){
            // Create user in sudo group
            $cmd = "/usr/sbin/useradd -U -m -G sudo,dialout,disk -s /bin/bash " . $username . " 2>&1";
            $handle = popen($cmd, 'r');
            $result = fread($handle, 4192);
            $status = pclose($handle);
            syslog(LOG_ALERT, "useradd: status: $status result: $result");
            $cmd = "/usr/bin/passwd" . $username . " 2>&1";
            $handle = popen($cmd, 'r');
            $pwdtxt = $password . "\n" . $password;
            $result = fwrite($handle, $pwdtxt);
            pclose($handle);
            syslog(LOG_ALERT, "passwd: status: $status result: $result");
            $finished = "Commisioning Complete";
        }
    } else if ($mismatch === 1) {
        $save_password = "";
        $password_err = "Mismatch";
    }
    syslog(LOG_ALERT, "Leave post: save_password = $save_password");
}
?>
 
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Commision Multi-Tech mLinux</title>
    <link rel="stylesheet" href="http://127.0.0.1/css/bootstrap.css">
    <style type="text/css">
        body{ font: 14px sans-serif; }
        .wrapper{ width: 350px; padding: 20px; }
    </style>
</head>
<body>
    <div class="wrapper">
        <h2>Commision Multi-Tech mLinux</h2>
        
        <p><label><?php echo $finished; ?></label></p>
	Product-ID:
	<?php
	echo $product;
	?>
	<br>
	Device-ID:
	<?php
	echo $device;
	?>
	</h3>
	<br>

        <form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
        <input type="hidden" name="save_password"  value="<?php echo $save_password; ?>">
            <div class="form-group <?php echo (!empty($username_err)) ? 'has-error' : ''; ?>">
                <label>Username</label>
                <input type="text" name="username" class="form-control" value="<?php echo $username; ?>">
                <span class="help-block"><?php echo $username_err; ?></span>
            </div>
            <div class="form-group <?php echo (!empty($password_err)) ? 'has-error' : ''; ?>">
                <label><?php echo $conftxt; ?></label>
                <input type="password" name="password" class="form-control" value="<?php echo $password; ?>">
                <span class="help-block"><?php echo $password_err; ?></span>
            </div>
            <p><label><?php echo $pwdscore; ?></label></p>
            <div class="form-group">
                <input type="submit" class="btn btn-primary" value="Submit">
                <input type="reset" class="btn btn-default" value="Reset">
            </div>
        </form>
    </div>    
</body>
</html>