From 4dbc75b975990a72ac6f1892d7a5962905235b4c Mon Sep 17 00:00:00 2001
From: Scott Ullrich <sullrich@pfsense.org>
Date: Sun, 31 Jul 2005 01:49:48 +0000
Subject: Add reverse captive portal feature.

---
 etc/inc/captiveportal.inc                | 12 +++++++-----
 etc/inc/filter.inc                       |  6 ++++--
 usr/local/www/services_captiveportal.php | 15 ++++++---------
 3 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/etc/inc/captiveportal.inc b/etc/inc/captiveportal.inc
index 786250b..a4d7186 100644
--- a/etc/inc/captiveportal.inc
+++ b/etc/inc/captiveportal.inc
@@ -46,9 +46,7 @@ require_once("radius_accounting.inc") ;
 function captiveportal_configure() {
 	global $config, $g;
 
-	if (isset($config['captiveportal']['enable']) &&
-		(($config['captiveportal']['interface'] == "lan") ||
-			isset($config['interfaces'][$config['captiveportal']['interface']]['enable']))) {
+	if (isset($config['captiveportal']['enable'])) {
 
 		if($g['booting']) echo "Starting captive portal... ";
 
@@ -154,6 +152,10 @@ EOD;
 		mwexec("/usr/local/sbin/mini_httpd -a -M 0 -u root -maxproc 16" .
 			" -p 8000 -i {$g['varrun_path']}/mini_httpd.cp.pid");
 
+		$fd = fopen("/tmp/captiveportal.txt", "w");
+		fwrite($fd, "/usr/local/sbin/mini_httpd -a -M 0 -u root -maxproc 16 -p 8000 -i {$g['varrun_path']}/mini_httpd.cp.pid");
+		fclose($fd);
+
 		/* fire up another one for HTTPS if requested */
 		if (isset($config['captiveportal']['httpslogin']) &&
 			$config['captiveportal']['certificate'] && $config['captiveportal']['private-key']) {
@@ -178,8 +180,8 @@ EOD;
 		}
 
 		/* start pruning process (interval = 60 seconds) */
-		mwexec("/usr/local/bin/minicron 60 {$g['varrun_path']}/minicron.pid " .
-			"/etc/rc.prunecaptiveportal");
+		//mwexec("/usr/local/bin/minicron 60 {$g['varrun_path']}/minicron.pid " .
+		//	"/etc/rc.prunecaptiveportal");
 
 		/* generate passthru mac database */
 		captiveportal_passthrumac_configure() ;
diff --git a/etc/inc/filter.inc b/etc/inc/filter.inc
index 3bdfd50..c318dc1 100644
--- a/etc/inc/filter.inc
+++ b/etc/inc/filter.inc
@@ -1091,9 +1091,11 @@ EOD;
 	if(isset($config['captiveportal']['enable'])) {
 		$natrules .= "# Captive Portal\n";
 		$cp_interface = filter_translate_type_to_real_interface($config['captiveportal']['interface']);
-		$lan_ip = $config['interfaces']['lan']['ipaddr'];
+		$cp_ip = $config['interfaces'][$config['captiveportal']['interface']]['ipaddr'];
+		if($cp_ip == "dhcp")
+			$cp_ip = find_interface_ip($cp_interface);
 		$natrules .= "no rdr on {$cp_interface} proto tcp from <captiveportal> to any \n";
-		$natrules .= "rdr on " . $cp_interface . " proto tcp from any to any port { 80 443 } -> {$lan_ip} port 8000\n\n";
+		$natrules .= "rdr on {$cp_interface} proto tcp from any to any port { 80 443 } -> {$cp_ip} port 8000\n\n";
 	}
 
 	return $natrules;
diff --git a/usr/local/www/services_captiveportal.php b/usr/local/www/services_captiveportal.php
index e15b2a4..992aeb4 100755
--- a/usr/local/www/services_captiveportal.php
+++ b/usr/local/www/services_captiveportal.php
@@ -307,16 +307,13 @@ function enable_change(enable_change) {
 	  <td width="78%" class="vtable">
 		<select name="cinterface" class="formfld" id="cinterface">
 		  <?php
-		  
-		  if(isset($config['system']['developer']))
 			$interfaces = array('lan' => 'LAN', 'wan' => 'WAN');
-		  else
-			$interfaces = array('lan' => 'LAN');
-		  for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
-			if (isset($config['interfaces']['opt' . $i]['enable']))
-				$interfaces['opt' . $i] = $config['interfaces']['opt' . $i]['descr'];
-		  }
-		  foreach ($interfaces as $iface => $ifacename): ?>
+			for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
+			      if (isset($config['interfaces']['opt' . $i]['enable']))
+				      $interfaces['opt' . $i] = $config['interfaces']['opt' . $i]['descr'];
+			}
+			foreach ($interfaces as $iface => $ifacename):
+		  ?>
 		  <option value="<?=$iface;?>" <?php if ($iface == $pconfig['cinterface']) echo "selected"; ?>>
 		  <?=htmlspecialchars($ifacename);?>
 		  </option>
-- 
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