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<?php
/*!
* Bootstrap v3.3.7 (http://getbootstrap.com)
* Copyright 2019 Multi-Tech, Inc.
* Licensed under MIT
*/
$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 = "";
$reset = "";
$userok = 0;
// Define variables and initialize with empty values
$username = $password = $save_password = "";
$username_err = $password_err = $confirm_password_err = "";
openlog("Commission:", LOG_PID | LOG_PERROR, LOG_LOCAL0);
// uid number must be 1000 or larger.
function chk_username($userid) {
$cmd = "/usr/bin/id -u \"" . $userid . "\" 2>/dev/null";
syslog(LOG_ALERT, "/usr/bin/id cmd: $cmd");
$handle = popen($cmd, 'r');
$result = trim(fread($handle, 4192));
$status = pclose($handle);
if ((strlen($result) > 0) && ($status == 0)) {
$uid = intval($result,10);
syslog(LOG_ALERT, "id uid: $uid");
} else {
syslog(LOG_ALERT, "id uid: failure");
$uid = -1;
}
return $uid;
}
// Processing form data when form is submitted
if($_SERVER["REQUEST_METHOD"] == "POST"){
$mismatch = 1; // We have two different passwords
$reset = trim($_POST["reset"]);
syslog(LOG_ALERT, "Reset: $reset");
if ($reset === "Reset") {
$save_password = "";
$reset = "";
$username = $password = $save_password = "";
$username_err = $password_err = $confirm_password_err = "";
goto err_exit;
}
$save_password = $_POST["save_password"];
syslog(LOG_ALERT, "Enter post: save_password = $save_password");
$username = trim($_POST["username"]);
$userlen = strlen($username);
// Validate username
// Be generous on the character length of the username
// in case it is some kind of character encoding scheme.
// useradd should catch it if the length is a little off.
if($userlen == 0) {
$username_err = "Please enter a username.";
} elseif ($userlen > 80) {
$username_err = "mLinux username must not exceed 32 characters";
} elseif (strstr($username,"\"")) {
$username_err = "invalid character(s) in username";
} else {
syslog(LOG_ALERT, "Enter username check: $username");
$id = chk_username($username);
syslog(LOG_ALERT, "after username check: chk_username $id");
if ($id > -1 && $id < 1000) {
$username_err = "User-id is in use by the system -- chose another";
}
}
// Validate password. Password length is not set in
// Linux. It depends on how much memory we have.
// To avoid unknown issues, reject if > 4096
$tmpfile = tempnam("/var/volatile/tmp","commission");
$password = $_POST["password"];
$passlen = strlen($password);
$save_passwordlen = strlen($save_password);
syslog(LOG_ALERT, "passlen: $passlen, save_password len: $save_passwordlen");
syslog(LOG_ALERT, "password: $password, save_password: $save_password");
if ($passlen == 0) {
$password_err = "Please enter a password.";
$mismatch = 0;
} elseif ($passlen > 4096) {
$password_err = "Too long. Limit password length to 4096 characters";
$password = "";
} else {
if ($save_passwordlen === 0) {
$mismatch = 0;
$cmd = "/usr/bin/pwscore >$tmpfile 2>&1";
$handle = popen($cmd, 'w');
fwrite($handle,$password);
$status = pclose($handle);
$result2 = file_get_contents($tmpfile);
if (strlen($result2) > 0)
syslog(LOG_ALERT, "read pwscore log: status: $status result: $result2");
else
syslog(LOG_ALERT, "pwscore has no results!");
if ($status === 0) {
$pwdscore = "Password score: " . $result2;
$save_password = $password;
$password = "";
$conftxt = "Re-Enter";
} else {
$conftxt = "Re-Enter";
$password_err = $result2 .
" Confirm password if you really want this." .
" Click reset to start again";
$save_password = $password;
$password = "";
syslog(LOG_ALERT, "Need password confirmation");
}
syslog(LOG_ALERT, "pwscore: score: $pwdscore msg = $password_err");
}
}
if (($passlen != 0) && ($password === $save_password))
$mismatch = 0;
if (($mismatch === 0) && ($passlen > 0) && ($save_passwordlen > 0)) {
syslog(LOG_ALERT, "Have password: $password username: $username");
if((strlen($username_err) == 0) && (strlen($password_err) == 0) && (strlen($confirm_password_err) == 0)){
// Create user in sudo group
$cmd = "/usr/sbin/useradd -U -m -G sudo,dialout,disk -s /bin/bash -- \"" . $username . "\" 2>&1";
syslog(LOG_ALERT, "useradd cmd: $cmd");
$handle = popen($cmd, 'r');
$username_err = trim(fread($handle, 4192));
$status = pclose($handle);
syslog(LOG_ALERT, "useradd: status: $status result: $result");
$uid = chk_username($username);
if ($uid === -1) {
syslog(LOG_ALERT, "useradd: $status");
goto err_exit;
} elseif (! ($uid > 999)) {
syslog(LOG_ALERT, "useradd: system user-id cannot be chosen: $username uid: $uid");
$username_err = "useradd: system user-id cannot be chosen: $username uid: $uid";
$username = "";
$save_password = "";
$password = "";
goto err_exit;
} // Must have uid > 999
$cmd = "/usr/bin/passwd \"" . $username . "\" 2>&1 >$tmpfile";
$handle = popen($cmd, 'w');
$pwdtxt = $password . "\n" . $password;
fwrite($handle, $pwdtxt);
$status = pclose($handle);
syslog(LOG_ALERT, "set passwd: status: $status result: $result");
$result2 = file_get_contents($tmpfile);
if (strlen($result2) > 0) {
syslog(LOG_ALERT, "passwd log: status: $status2 result: $result2");
}
$cmd = "/sbin/mts-ubpasswd -up >$tmpfile 2>&1";
$handle = popen($cmd, 'w');
fwrite($handle,$password);
$status = pclose($handle);
$result3 = file_get_contents($tmpfile);
// Delete the password entry log
$handle = fopen($tmpfile, 'w');
ftruncate($handle,0);
fclose($handle);
if (strlen($result2) > 0)
syslog(LOG_ALERT, "read mts-ubpasswd log: result: $result2");
if ($status != 0) {
syslog(LOG_ALERT, "mts-ubpasswd failed: status: $status");
syslog(LOG_ALERT, "mts-ubpasswd failed: result: $result3");
} else // Dont print if successful or password is in the log.
syslog(LOG_ALERT, "mts-ubpasswd: set u-boot password");
if ($status == 0) {
$finished = "Commissioning Complete";
$password_err = $result2;
$username_err = $result;
// Disable commissioning
$data = 'ENABLED=\"no\"';
file_put_contents("/run/mt-commission",$data);
// shut off web server
$cmd = "/usr/sbin/start-stop-daemon -S -p /var/run/commissionoff.pid -b -a /bin/bash -- -c " .
"/usr/libexec/commission/off.sh";
syslog(LOG_ALERT, "turn off web server: command: $cmd");
$handle = popen($cmd, 'r');
$result = trim(fread($handle, 4192));
$status = pclose($handle);
if ($status > 0) {
syslog(LOG_ALERT, "turn off commissioning service: command: $cmd");
syslog(LOG_ALERT, "stopping service: status: $status result: $result");
}
} else {
$finished = "Errors: " . $result;
$save_password = "";
$password = "";
$password_err = $result2;
$username_err = $result;
}
} // Create user, set password
} else if ($mismatch === 1) {
$save_password = "";
$password = "";
$password_err = "Mismatch";
}
syslog(LOG_ALERT, "Leave post: save_password = $save_password");
err_exit:
// Is there another way to return and leave the web form in good shape?
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Commission 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: 380px; padding: 20px; }
</style>
</head>
<body>
<div class="wrapper">
<h2>Commission Multi-Tech mLinux</h2>
<p><label><?php echo $finished; ?></label></p>
<p>
Product-ID:
<?php
echo $product;
?>
<br>
Device-ID:
<?php
echo $device;
?>
</h3>
</p>
<form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
<input type="hidden" name="save_password" value="<?php echo $save_password; ?>">
<div class="form-group <?php echo (strlen($username_err)) ? 'has-error' : ''; ?>">
<label>Username</label>
<input type="text" name="username" class="form-control" value="<?php echo $username; ?>">
<p>
<span class="help-block"><?php echo $username_err; ?></span>
</p>
</div>
<div class="form-group <?php echo (strlen($password_err)) ? 'has-error' : ''; ?>">
<label><?php echo $conftxt; ?></label>
<input type="password" name="password" class="form-control" value="<?php echo $password; ?>">
<p>
<span class="help-block"><?php echo $password_err; ?></span>
</p>
</div>
<p><label><?php echo $pwdscore; ?></label></p>
<div class="form-group">
<input type="submit" class="btn btn-primary" value="Submit">
<input type="submit" name = "reset" class="btn btn-default" value="Reset">
</div>
</form>
</div>
</body>
</html>
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