1<?php
2
3require('config.php');
4
5function print_header()
6{
7   echo "<html>\n";
8   echo "<head><title>HS 2.0 Terms and Conditions</title></head>\n";
9   echo "<body>\n";
10}
11
12$db = new PDO($osu_db);
13if (!$db) {
14   die($sqliteerror);
15}
16
17if (!isset($_GET["addr"])) {
18   die("Missing addr parameter");
19}
20$addr = $_GET["addr"];
21
22$accept = isset($_GET["accept"]) && $_GET["accept"] == "yes";
23
24$res = $db->prepare("SELECT identity FROM pending_tc WHERE mac_addr=?");
25$res->execute(array($addr));
26$row = $res->fetch();
27if (!$row) {
28   die("No pending session for the specified MAC address");
29}
30$identity = $row[0];
31
32if (!$accept) {
33   print_header();
34
35   echo "<p>Accept the following terms and conditions by clicking here: <a href=\"terms.php?addr=$addr&accept=yes\">Accept</a></p>\n<hr>\n";
36   readfile($t_c_file);
37} else {
38   $res = $db->prepare("UPDATE users SET t_c_timestamp=? WHERE identity=?");
39   if (!$res->execute(array($t_c_timestamp, $identity))) {
40      die("Failed to update user account.");
41   }
42
43   $res = $db->prepare("DELETE FROM pending_tc WHERE mac_addr=?");
44   $res->execute(array($addr));
45
46   $fp = fsockopen($hostapd_ctrl);
47   if (!$fp) {
48      die("Could not connect to hostapd(AS)");
49   }
50
51   fwrite($fp, "DAC_REQUEST coa $addr t_c_clear");
52   fclose($fp);
53
54   $waiting = true;
55   $ack = false;
56   for ($i = 1; $i <= 10; $i++) {
57      $res = $db->prepare("SELECT waiting_coa_ack,coa_ack_received FROM current_sessions WHERE mac_addr=?");
58      $res->execute(array($addr));
59      $row = $res->fetch();
60      if (!$row) {
61         die("No current session for the specified MAC address");
62      }
63      if (strlen($row[0]) > 0)
64            $waiting = $row[0] == 1;
65      if (strlen($row[1]) > 0)
66            $ack = $row[1] == 1;
67      $res->closeCursor();
68      if (!$waiting)
69         break;
70      sleep(1);
71   }
72   if ($ack) {
73      header('X-WFA-Hotspot20-Filtering: removed');
74      print_header();
75      echo "<p>Terms and conditions were accepted.</p>\n";
76
77      echo "<P>Filtering disabled.</P>\n";
78   } else {
79      print_header();
80      echo "<P>Failed to disable filtering.</P>\n";
81   }
82}
83
84?>
85
86</body>
87</html>
88