Revision ac631bba
Added by Luiz Gustavo S. Costa over 14 years ago
| usr/local/captiveportal/index.php | ||
|---|---|---|
| 204 | 204 |
|
| 205 | 205 |
exit; |
| 206 | 206 |
|
| 207 |
function portal_reply_page($redirurl, $type = null, $message = null, $clientmac = null, $clientip = null, $username = null, $password = null) {
|
|
| 208 |
global $g, $config; |
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| 209 |
|
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/* Get captive portal layout */ |
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| 211 |
if ($type == "redir") {
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| 212 |
header("Location: {$redirurl}");
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| 213 |
return; |
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| 214 |
} else if ($type == "login") |
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| 215 |
$htmltext = get_include_contents("{$g['varetc_path']}/captiveportal.html");
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| 216 |
else |
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$htmltext = get_include_contents("{$g['varetc_path']}/captiveportal-error.html");
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| 218 |
|
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| 219 |
/* substitute the PORTAL_REDIRURL variable */ |
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| 220 |
if ($config['captiveportal']['preauthurl']) {
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$htmltext = str_replace("\$PORTAL_REDIRURL\$", "{$config['captiveportal']['preauthurl']}", $htmltext);
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$htmltext = str_replace("#PORTAL_REDIRURL#", "{$config['captiveportal']['preauthurl']}", $htmltext);
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| 223 |
} |
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| 224 |
|
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/* substitute other variables */ |
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if (isset($config['captiveportal']['httpslogin'])) {
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$htmltext = str_replace("\$PORTAL_ACTION\$", "https://{$config['captiveportal']['httpsname']}:8001/", $htmltext);
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| 228 |
$htmltext = str_replace("#PORTAL_ACTION#", "https://{$config['captiveportal']['httpsname']}:8001/", $htmltext);
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| 229 |
} else {
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| 230 |
$ifip = portal_ip_from_client_ip($clientip); |
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| 231 |
if (!$ifip) |
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$ourhostname = $config['system']['hostname'] . ":8000"; |
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| 233 |
else |
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$ourhostname = "{$ifip}:8000";
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$htmltext = str_replace("\$PORTAL_ACTION\$", "http://{$ourhostname}/", $htmltext);
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$htmltext = str_replace("#PORTAL_ACTION#", "http://{$ourhostname}/", $htmltext);
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} |
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| 238 |
|
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$htmltext = str_replace("\$PORTAL_REDIRURL\$", htmlspecialchars($redirurl), $htmltext);
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| 240 |
$htmltext = str_replace("\$PORTAL_MESSAGE\$", htmlspecialchars($message), $htmltext);
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| 241 |
$htmltext = str_replace("\$CLIENT_MAC\$", htmlspecialchars($clientmac), $htmltext);
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| 242 |
$htmltext = str_replace("\$CLIENT_IP\$", htmlspecialchars($clientip), $htmltext);
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|
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// Special handling case for captive portal master page so that it can be ran |
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// through the PHP interpreter using the include method above. We convert the |
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// $VARIABLE$ case to #VARIABLE# in /etc/inc/captiveportal.inc before writing out. |
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$htmltext = str_replace("#PORTAL_REDIRURL#", htmlspecialchars($redirurl), $htmltext);
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| 248 |
$htmltext = str_replace("#PORTAL_MESSAGE#", htmlspecialchars($message), $htmltext);
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| 249 |
$htmltext = str_replace("#CLIENT_MAC#", htmlspecialchars($clientmac), $htmltext);
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| 250 |
$htmltext = str_replace("#CLIENT_IP#", htmlspecialchars($clientip), $htmltext);
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$htmltext = str_replace("#USERNAME#", htmlspecialchars($username), $htmltext);
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$htmltext = str_replace("#PASSWORD#", htmlspecialchars($password), $htmltext);
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|
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echo $htmltext; |
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} |
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|
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function portal_mac_radius($clientmac,$clientip) {
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global $config ; |
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|
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$radmac_secret = $config['captiveportal']['radmac_secret']; |
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|
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/* authentication against the radius server */ |
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$username = mac_format($clientmac); |
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$auth_list = radius($username,$radmac_secret,$clientip,$clientmac,"MACHINE LOGIN"); |
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if ($auth_list['auth_val'] == 2) |
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return TRUE; |
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if (!empty($auth_list['url_redirection'])) |
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portal_reply_page($auth_list['url_redirection'], "redir"); |
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| 269 |
|
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| 270 |
return FALSE; |
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} |
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| 272 |
|
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| 273 |
function portal_allow($clientip,$clientmac,$username,$password = null, $attributes = null, $ruleno = null) {
|
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| 274 |
|
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| 275 |
global $redirurl, $g, $config, $type, $passthrumac, $_POST; |
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| 276 |
|
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| 277 |
/* See if a ruleno is passed, if not start sessions because this means there isn't one atm */ |
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if ($ruleno == null) |
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$ruleno = captiveportal_get_next_ipfw_ruleno(); |
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| 280 |
|
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/* if the pool is empty, return appropriate message and exit */ |
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| 282 |
if (is_null($ruleno)) {
|
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| 283 |
portal_reply_page($redirurl, "error", "System reached maximum login capacity"); |
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| 284 |
log_error("WARNING! Captive portal has reached maximum login capacity");
|
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| 285 |
exit; |
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} |
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| 287 |
|
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| 288 |
// Ensure we create an array if we are missing attributes |
|
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if (!is_array($attributes)) |
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$attributes = array(); |
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| 291 |
|
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/* read in client database */ |
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| 293 |
$cpdb = captiveportal_read_db(); |
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| 294 |
|
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| 295 |
$radiusservers = captiveportal_get_radius_servers(); |
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| 296 |
|
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| 297 |
if ($attributes['voucher']) |
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$remaining_time = $attributes['session_timeout']; |
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| 299 |
|
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| 300 |
$writecfg = false; |
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/* Find an existing session */ |
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| 302 |
if ((isset($config['captiveportal']['noconcurrentlogins'])) && $passthrumac) {
|
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| 303 |
if (isset($config['captiveportal']['passthrumacadd'])) {
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| 304 |
$mac = captiveportal_passthrumac_findbyname($username); |
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| 305 |
if (!empty($mac)) {
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| 306 |
if ($_POST['replacemacpassthru']) {
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| 307 |
foreach ($config['captiveportal']['passthrumac'] as $idx => $macent) {
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| 308 |
if ($macent['mac'] == $mac['mac']) {
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| 309 |
$macrules = ""; |
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| 310 |
$ruleno = captiveportal_get_ipfw_passthru_ruleno($mac['mac']); |
|
| 311 |
if ($ruleno) {
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| 312 |
captiveportal_free_ipfw_ruleno($ruleno, true); |
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| 313 |
$macrules .= "delete {$ruleno}\n";
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| 314 |
++$ruleno; |
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| 315 |
$macrules .= "delete {$ruleno}\n";
|
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| 316 |
} |
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| 317 |
unset($config['captiveportal']['passthrumac'][$idx]); |
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| 318 |
$mac['mac'] = $clientmac; |
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| 319 |
$config['captiveportal']['passthrumac'][] = $mac; |
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| 320 |
$macrules .= captiveportal_passthrumac_configure_entry($mac); |
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| 321 |
file_put_contents("{$g['tmp_path']}/macentry.rules.tmp", $macrules);
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| 322 |
mwexec("/sbin/ipfw -q {$g['tmp_path']}/macentry.rules.tmp");
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| 323 |
$writecfg = true; |
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| 324 |
$sessionid = true; |
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| 325 |
break; |
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| 326 |
} |
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| 327 |
} |
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| 328 |
} else {
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portal_reply_page($redirurl, "error", "Username: {$username} is already authenticated using another MAC address.",
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| 330 |
$clientmac, $clientip, $username, $password); |
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| 331 |
exit; |
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| 332 |
} |
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| 333 |
} |
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| 334 |
} |
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| 335 |
} |
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| 336 |
|
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| 337 |
$nousers = count($cpdb); |
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| 338 |
for ($i = 0; $i < $nousers; $i++) {
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| 339 |
/* on the same ip */ |
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| 340 |
if($cpdb[$i][2] == $clientip) {
|
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| 341 |
captiveportal_logportalauth($cpdb[$i][4],$cpdb[$i][3],$cpdb[$i][2],"CONCURRENT LOGIN - REUSING OLD SESSION"); |
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| 342 |
$sessionid = $cpdb[$i][5]; |
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break; |
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| 344 |
} |
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elseif (($attributes['voucher']) && ($username != 'unauthenticated') && ($cpdb[$i][4] == $username)) {
|
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| 346 |
// user logged in with an active voucher. Check for how long and calculate |
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| 347 |
// how much time we can give him (voucher credit - used time) |
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| 348 |
$remaining_time = $cpdb[$i][0] + $cpdb[$i][7] - time(); |
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| 349 |
if ($remaining_time < 0) // just in case. |
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| 350 |
$remaining_time = 0; |
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| 351 |
|
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| 352 |
/* This user was already logged in so we disconnect the old one */ |
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captiveportal_disconnect($cpdb[$i],$radiusservers,13); |
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captiveportal_logportalauth($cpdb[$i][4],$cpdb[$i][3],$cpdb[$i][2],"CONCURRENT LOGIN - TERMINATING OLD SESSION"); |
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| 355 |
unset($cpdb[$i]); |
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| 356 |
break; |
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| 357 |
} |
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| 358 |
elseif ((isset($config['captiveportal']['noconcurrentlogins'])) && ($username != 'unauthenticated')) {
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| 359 |
/* on the same username */ |
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if (strcasecmp($cpdb[$i][4], $username) == 0) {
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/* This user was already logged in so we disconnect the old one */ |
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captiveportal_disconnect($cpdb[$i],$radiusservers,13); |
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captiveportal_logportalauth($cpdb[$i][4],$cpdb[$i][3],$cpdb[$i][2],"CONCURRENT LOGIN - TERMINATING OLD SESSION"); |
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unset($cpdb[$i]); |
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break; |
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} |
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} |
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} |
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| 369 |
|
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| 370 |
if ($attributes['voucher'] && $remaining_time <= 0) |
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return 0; // voucher already used and no time left |
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|
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| 373 |
if (!isset($sessionid)) {
|
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| 374 |
/* generate unique session ID */ |
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| 375 |
$tod = gettimeofday(); |
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$sessionid = substr(md5(mt_rand() . $tod['sec'] . $tod['usec'] . $clientip . $clientmac), 0, 16); |
|
| 377 |
|
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| 378 |
/* Add rules for traffic shaping |
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* We don't need to add extra rules since traffic will pass due to the following kernel option |
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* net.inet.ip.fw.one_pass: 1 |
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| 381 |
*/ |
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| 382 |
$peruserbw = isset($config['captiveportal']['peruserbw']); |
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| 383 |
|
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| 384 |
$bw_up = isset($attributes['bw_up']) ? trim($attributes['bw_up']) : $config['captiveportal']['bwdefaultup']; |
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$bw_down = isset($attributes['bw_down']) ? trim($attributes['bw_down']) : $config['captiveportal']['bwdefaultdn']; |
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| 386 |
|
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| 387 |
if ($passthrumac) {
|
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| 388 |
$mac = array(); |
|
| 389 |
$mac['mac'] = $clientmac; |
|
| 390 |
if (isset($config['captiveportal']['passthrumacaddusername'])) |
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| 391 |
$mac['username'] = $username; |
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| 392 |
$mac['descr'] = "Auto added pass-through MAC for user {$username}";
|
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| 393 |
if (!empty($bw_up)) |
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| 394 |
$mac['bw_up'] = $bw_up; |
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| 395 |
if (!empty($bw_down)) |
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| 396 |
$mac['bw_down'] = $bw_down; |
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| 397 |
if (!is_array($config['captiveportal']['passthrumac'])) |
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$config['captiveportal']['passthrumac'] = array(); |
|
| 399 |
$config['captiveportal']['passthrumac'][] = $mac; |
|
| 400 |
$macrules = captiveportal_passthrumac_configure_entry($mac); |
|
| 401 |
file_put_contents("{$g['tmp_path']}/macentry.rules.tmp", $macrules);
|
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| 402 |
mwexec("/sbin/ipfw -q {$g['tmp_path']}/macentry.rules.tmp");
|
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| 403 |
$writecfg = true; |
|
| 404 |
} else {
|
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| 405 |
if ($peruserbw && !empty($bw_up) && is_numeric($bw_up)) {
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|
| 406 |
$bw_up_pipeno = $ruleno + 20000; |
|
| 407 |
//$bw_up /= 1000; // Scale to Kbit/s |
|
| 408 |
mwexec("/sbin/ipfw pipe {$bw_up_pipeno} config bw {$bw_up}Kbit/s queue 100");
|
|
| 409 |
|
|
| 410 |
if (!isset($config['captiveportal']['nomacfilter'])) |
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| 411 |
mwexec("/sbin/ipfw table 1 add {$clientip} mac {$clientmac} {$bw_up_pipeno}");
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| 412 |
else |
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| 413 |
mwexec("/sbin/ipfw table 1 add {$clientip} {$bw_up_pipeno}");
|
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| 414 |
} else {
|
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| 415 |
if (!isset($config['captiveportal']['nomacfilter'])) |
|
| 416 |
mwexec("/sbin/ipfw table 1 add {$clientip} mac {$clientmac}");
|
|
| 417 |
else |
|
| 418 |
mwexec("/sbin/ipfw table 1 add {$clientip}");
|
|
| 419 |
} |
|
| 420 |
if ($peruserbw && !empty($bw_down) && is_numeric($bw_down)) {
|
|
| 421 |
$bw_down_pipeno = $ruleno + 20001; |
|
| 422 |
//$bw_down /= 1000; // Scale to Kbit/s |
|
| 423 |
mwexec("/sbin/ipfw pipe {$bw_down_pipeno} config bw {$bw_down}Kbit/s queue 100");
|
|
| 424 |
|
|
| 425 |
if (!isset($config['captiveportal']['nomacfilter'])) |
|
| 426 |
mwexec("/sbin/ipfw table 2 add {$clientip} mac {$clientmac} {$bw_down_pipeno}");
|
|
| 427 |
else |
|
| 428 |
mwexec("/sbin/ipfw table 2 add {$clientip} {$bw_down_pipeno}");
|
|
| 429 |
} else {
|
|
| 430 |
if (!isset($config['captiveportal']['nomacfilter'])) |
|
| 431 |
mwexec("/sbin/ipfw table 2 add {$clientip} mac {$clientmac}");
|
|
| 432 |
else |
|
| 433 |
mwexec("/sbin/ipfw table 2 add {$clientip}");
|
|
| 434 |
} |
|
| 435 |
|
|
| 436 |
if ($attributes['voucher']) |
|
| 437 |
$attributes['session_timeout'] = $remaining_time; |
|
| 438 |
|
|
| 439 |
/* encode password in Base64 just in case it contains commas */ |
|
| 440 |
$bpassword = base64_encode($password); |
|
| 441 |
$cpdb[] = array(time(), $ruleno, $clientip, $clientmac, $username, $sessionid, $bpassword, |
|
| 442 |
$attributes['session_timeout'], $attributes['idle_timeout'], $attributes['session_terminate_time']); |
|
| 443 |
|
|
| 444 |
if (isset($config['captiveportal']['radacct_enable']) && !empty($radiusservers)) {
|
|
| 445 |
$acct_val = RADIUS_ACCOUNTING_START($ruleno, |
|
| 446 |
$username, $sessionid, $radiusservers, $clientip, $clientmac); |
|
| 447 |
if ($acct_val == 1) |
|
| 448 |
captiveportal_logportalauth($username,$clientmac,$clientip,$type,"RADIUS ACCOUNTING FAILED"); |
|
| 449 |
} |
|
| 450 |
|
|
| 451 |
/* rewrite information to database */ |
|
| 452 |
captiveportal_write_db($cpdb); |
|
| 453 |
} |
|
| 454 |
} |
|
| 455 |
|
|
| 456 |
if ($writecfg == true) |
|
| 457 |
write_config(); |
|
| 458 |
|
|
| 459 |
/* redirect user to desired destination */ |
|
| 460 |
if (!empty($attributes['url_redirection'])) |
|
| 461 |
$my_redirurl = $attributes['url_redirection']; |
|
| 462 |
else if ($config['captiveportal']['redirurl']) |
|
| 463 |
$my_redirurl = $config['captiveportal']['redirurl']; |
|
| 464 |
else |
|
| 465 |
$my_redirurl = $redirurl; |
|
| 466 |
|
|
| 467 |
if(isset($config['captiveportal']['logoutwin_enable']) && !$passthrumac) {
|
|
| 468 |
|
|
| 469 |
if (isset($config['captiveportal']['httpslogin'])) |
|
| 470 |
$logouturl = "https://{$config['captiveportal']['httpsname']}:8001/";
|
|
| 471 |
else {
|
|
| 472 |
$ifip = portal_ip_from_client_ip($clientip); |
|
| 473 |
if (!$ifip) |
|
| 474 |
$ourhostname = $config['system']['hostname'] . ":8000"; |
|
| 475 |
else |
|
| 476 |
$ourhostname = "{$ifip}:8000";
|
|
| 477 |
$logouturl = "http://{$ourhostname}/";
|
|
| 478 |
} |
|
| 479 |
|
|
| 480 |
if (isset($attributes['reply_message'])) |
|
| 481 |
$message = $attributes['reply_message']; |
|
| 482 |
else |
|
| 483 |
$message = 0; |
|
| 484 |
|
|
| 485 |
include("{$g['varetc_path']}/captiveportal-logout.html");
|
|
| 486 |
|
|
| 487 |
} else {
|
|
| 488 |
header("Location: " . $my_redirurl);
|
|
| 489 |
} |
|
| 490 |
|
|
| 491 |
return $sessionid; |
|
| 492 |
} |
|
| 493 |
|
|
| 494 |
|
|
| 495 |
|
|
| 496 |
/* remove a single client by session ID |
|
| 497 |
* by Dinesh Nair |
|
| 498 |
*/ |
|
| 499 |
function disconnect_client($sessionid, $logoutReason = "LOGOUT", $term_cause = 1) {
|
|
| 500 |
global $g, $config; |
|
| 501 |
|
|
| 502 |
/* read database */ |
|
| 503 |
$cpdb = captiveportal_read_db(); |
|
| 504 |
|
|
| 505 |
$radiusservers = captiveportal_get_radius_servers(); |
|
| 506 |
|
|
| 507 |
/* find entry */ |
|
| 508 |
$dbcount = count($cpdb); |
|
| 509 |
for ($i = 0; $i < $dbcount; $i++) {
|
|
| 510 |
if ($cpdb[$i][5] == $sessionid) {
|
|
| 511 |
captiveportal_disconnect($cpdb[$i],$radiusservers, $term_cause); |
|
| 512 |
captiveportal_logportalauth($cpdb[$i][4],$cpdb[$i][3],$cpdb[$i][2],$logoutReason); |
|
| 513 |
unset($cpdb[$i]); |
|
| 514 |
break; |
|
| 515 |
} |
|
| 516 |
} |
|
| 517 |
|
|
| 518 |
/* write database */ |
|
| 519 |
captiveportal_write_db($cpdb); |
|
| 520 |
} |
|
| 521 |
|
|
| 522 |
/* |
|
| 523 |
* Used for when pass-through credits are enabled. |
|
| 524 |
* Returns true when there was at least one free login to deduct for the MAC. |
|
| 525 |
* Expired entries are removed as they are seen. |
|
| 526 |
* Active entries are updated according to the configuration. |
|
| 527 |
*/ |
|
| 528 |
function portal_consume_passthrough_credit($clientmac) {
|
|
| 529 |
global $config; |
|
| 530 |
|
|
| 531 |
if (!empty($config['captiveportal']['freelogins_count']) && is_numeric($config['captiveportal']['freelogins_count'])) |
|
| 532 |
$freeloginscount = $config['captiveportal']['freelogins_count']; |
|
| 533 |
else |
|
| 534 |
return false; |
|
| 535 |
|
|
| 536 |
if (!empty($config['captiveportal']['freelogins_resettimeout']) && is_numeric($config['captiveportal']['freelogins_resettimeout'])) |
|
| 537 |
$resettimeout = $config['captiveportal']['freelogins_resettimeout']; |
|
| 538 |
else |
|
| 539 |
return false; |
|
| 540 |
|
|
| 541 |
if ($freeloginscount < 1 || $resettimeout <= 0 || !clientmac) |
|
| 542 |
return false; |
|
| 543 |
|
|
| 544 |
$updatetimeouts = isset($config['captiveportal']['freelogins_updatetimeouts']); |
|
| 545 |
|
|
| 546 |
/* |
|
| 547 |
* Read database of used MACs. Lines are a comma-separated list |
|
| 548 |
* of the time, MAC, then the count of pass-through credits remaining. |
|
| 549 |
*/ |
|
| 550 |
$usedmacs = captiveportal_read_usedmacs_db(); |
|
| 551 |
|
|
| 552 |
$currenttime = time(); |
|
| 553 |
$found = false; |
|
| 554 |
foreach ($usedmacs as $key => $usedmac) {
|
|
| 555 |
$usedmac = explode(",", $usedmac);
|
|
| 556 |
|
|
| 557 |
if ($usedmac[1] == $clientmac) {
|
|
| 558 |
if ($usedmac[0] + ($resettimeout * 3600) > $currenttime) {
|
|
| 559 |
if ($usedmac[2] < 1) {
|
|
| 560 |
if ($updatetimeouts) {
|
|
| 561 |
$usedmac[0] = $currenttime; |
|
| 562 |
unset($usedmacs[$key]); |
|
| 563 |
$usedmacs[] = implode(",", $usedmac);
|
|
| 564 |
captiveportal_write_usedmacs_db($usedmacs); |
|
| 565 |
} |
|
| 566 |
|
|
| 567 |
return false; |
|
| 568 |
} else {
|
|
| 569 |
$usedmac[2] -= 1; |
|
| 570 |
$usedmacs[$key] = implode(",", $usedmac);
|
|
| 571 |
} |
|
| 572 |
|
|
| 573 |
$found = true; |
|
| 574 |
} else |
|
| 575 |
unset($usedmacs[$key]); |
|
| 576 |
|
|
| 577 |
break; |
|
| 578 |
} else if ($usedmac[0] + ($resettimeout * 3600) <= $currenttime) |
|
| 579 |
unset($usedmacs[$key]); |
|
| 580 |
} |
|
| 581 |
|
|
| 582 |
if (!$found) {
|
|
| 583 |
$usedmac = array($currenttime, $clientmac, $freeloginscount - 1); |
|
| 584 |
$usedmacs[] = implode(",", $usedmac);
|
|
| 585 |
} |
|
| 586 |
|
|
| 587 |
captiveportal_write_usedmacs_db($usedmacs); |
|
| 588 |
return true; |
|
| 589 |
} |
|
| 590 |
|
|
| 591 |
function captiveportal_read_usedmacs_db() {
|
|
| 592 |
global $g; |
|
| 593 |
|
|
| 594 |
$cpumaclck = lock('captiveusedmacs');
|
|
| 595 |
if (file_exists("{$g['vardb_path']}/captiveportal_usedmacs.db")) {
|
|
| 596 |
$usedmacs = file("{$g['vardb_path']}/captiveportal_usedmacs.db", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
|
|
| 597 |
if (!usedmacs) |
|
| 598 |
$usedmacs = array(); |
|
| 599 |
} else |
|
| 600 |
$usedmacs = array(); |
|
| 601 |
|
|
| 602 |
unlock($cpumaclck); |
|
| 603 |
return $usedmacs; |
|
| 604 |
} |
|
| 605 |
|
|
| 606 |
function captiveportal_write_usedmacs_db($usedmacs) {
|
|
| 607 |
global $g; |
|
| 608 |
|
|
| 609 |
$cpumaclck = lock('captiveusedmacs', LOCK_EX);
|
|
| 610 |
@file_put_contents("{$g['vardb_path']}/captiveportal_usedmacs.db", implode("\n", $usedmacs));
|
|
| 611 |
unlock($cpumaclck); |
|
| 612 |
} |
|
| 613 | 207 |
|
| 614 | 208 |
?> |
Also available in: Unified diff
Move all functions from index.php for captiveportal.inc