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<?php
require('config.php');
if (!stristr($_SERVER["CONTENT_TYPE"], "application/soap+xml")) {
error_log("spp.php - Unexpected Content-Type " . $_SERVER["CONTENT_TYPE"]);
die("Unexpected Content-Type");
}
if ($_SERVER["REQUEST_METHOD"] != "POST") {
error_log("spp.php - Unexpected method " . $_SERVER["REQUEST_METHOD"]);
die("Unexpected method");
}
if (isset($_GET["realm"])) {
$realm = $_GET["realm"];
$realm = PREG_REPLACE("/[^0-9a-zA-Z\.\-]/i", '', $realm);
} else {
error_log("spp.php - Realm not specified");
die("Realm not specified");
}
unset($user);
putenv("HS20CERT");
if (!empty($_SERVER['PHP_AUTH_DIGEST'])) {
$needed = array('nonce'=>1, 'nc'=>1, 'cnonce'=>1, 'qop'=>1, 'username'=>1,
'uri'=>1, 'response'=>1);
$data = array();
$keys = implode('|', array_keys($needed));
preg_match_all('@(' . $keys . ')=(?:([\'"])([^\2]+?)\2|([^\s,]+))@',
$_SERVER['PHP_AUTH_DIGEST'], $matches, PREG_SET_ORDER);
foreach ($matches as $m) {
$data[$m[1]] = $m[3] ? $m[3] : $m[4];
unset($needed[$m[1]]);
}
if ($needed) {
error_log("spp.php - Authentication failed - missing: " . print_r($needed));
die('Authentication failed');
}
$user = $data['username'];
if (strlen($user) < 1) {
error_log("spp.php - Authentication failed - empty username");
die('Authentication failed');
}
$db = new PDO($osu_db);
if (!$db) {
error_log("spp.php - Could not access database");
die("Could not access database");
}
$row = $db->query("SELECT password FROM users " .
"WHERE identity='$user' AND realm='$realm'")->fetch();
if (!$row) {
$row = $db->query("SELECT osu_password FROM users " .
"WHERE osu_user='$user' AND realm='$realm'")->fetch();
$pw = $row['osu_password'];
} else
$pw = $row['password'];
if (!$row) {
error_log("spp.php - Authentication failed - user '$user' not found");
die('Authentication failed');
}
if (strlen($pw) < 1) {
error_log("spp.php - Authentication failed - empty password");
die('Authentication failed');
}
$A1 = md5($user . ':' . $realm . ':' . $pw);
$A2 = md5($_SERVER['REQUEST_METHOD'] . ':' . $data['uri']);
$resp = md5($A1 . ':' . $data['nonce'] . ':' . $data['nc'] . ':' .
$data['cnonce'] . ':' . $data['qop'] . ':' . $A2);
if ($data['response'] != $resp) {
error_log("Authentication failure - response mismatch");
die('Authentication failed');
}
} else if (isset($_SERVER["SSL_CLIENT_VERIFY"]) &&
$_SERVER["SSL_CLIENT_VERIFY"] == "SUCCESS" &&
isset($_SERVER["SSL_CLIENT_M_SERIAL"])) {
$user = "cert-" . $_SERVER["SSL_CLIENT_M_SERIAL"];
putenv("HS20CERT=yes");
} else if (!isset($_SERVER["PATH_INFO"]) ||
$_SERVER["PATH_INFO"] != "/signup") {
header('HTTP/1.1 401 Unauthorized');
header('WWW-Authenticate: Digest realm="'.$realm.
'",qop="auth",nonce="'.uniqid().'",opaque="'.md5($realm).'"');
error_log("spp.php - Authentication required (not signup)");
die('Authentication required (not signup)');
}
if (isset($user) && strlen($user) > 0)
putenv("HS20USER=$user");
else
putenv("HS20USER");
putenv("HS20REALM=$realm");
putenv("HS20POST=$HTTP_RAW_POST_DATA");
$addr = $_SERVER["REMOTE_ADDR"];
putenv("HS20ADDR=$addr");
$last = exec("$osu_root/spp/hs20_spp_server -r$osu_root -f/tmp/hs20_spp_server.log", $output, $ret);
if ($ret == 2) {
if (empty($_SERVER['PHP_AUTH_DIGEST'])) {
header('HTTP/1.1 401 Unauthorized');
header('WWW-Authenticate: Digest realm="'.$realm.
'",qop="auth",nonce="'.uniqid().'",opaque="'.md5($realm).'"');
error_log("spp.php - Authentication required (ret 2)");
die('Authentication required');
} else {
error_log("spp.php - Unexpected authentication error");
die("Unexpected authentication error");
}
}
if ($ret != 0) {
error_log("spp.php - Failed to process SPP request");
die("Failed to process SPP request");
}
//error_log("spp.php: Response: " . implode($output));
header("Content-Type: application/soap+xml");
echo implode($output);
?>
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