|
1
|
<?php
|
|
2
|
|
|
3
|
require_once("auth.inc");
|
|
4
|
require_once("util.inc");
|
|
5
|
require_once("functions.inc");
|
|
6
|
require_once("captiveportal.inc");
|
|
7
|
|
|
8
|
header("Expires: 0");
|
|
9
|
header("Cache-Control: no-cache, no-store, must-revalidate");
|
|
10
|
header("Connection: close");
|
|
11
|
|
|
12
|
global $cpzone, $cpzoneid, $cpzoneprefix;
|
|
13
|
|
|
14
|
$cpzone = strtolower($_REQUEST['zone']);
|
|
15
|
$cpcfg = config_get_path("captiveportal/{$cpzone}", []);
|
|
16
|
|
|
17
|
if (empty($cpcfg)) {
|
|
18
|
log_error("rfc8910.php - Submission to captiveportal with unknown parameter zone: " . htmlspecialchars($cpzone));
|
|
19
|
portal_reply_page($redirurl, "error", gettext("Internal error"));
|
|
20
|
ob_flush();
|
|
21
|
return;
|
|
22
|
}
|
|
23
|
|
|
24
|
$cpzoneid = $cpcfg['zoneid'];
|
|
25
|
$clientip = $_SERVER['REMOTE_ADDR'];
|
|
26
|
|
|
27
|
if (is_array($cpcfg['allowedip'])) {
|
|
28
|
foreach ($cpcfg['allowedip'] as $ipent) {
|
|
29
|
if ($ipent['ip'] == $clientip) {
|
|
30
|
if ($ipent['dir'] != 'to') {
|
|
31
|
// 'clientip' is part of the 'allowedip' list
|
|
32
|
ob_flush();
|
|
33
|
return;
|
|
34
|
}
|
|
35
|
}
|
|
36
|
}
|
|
37
|
}
|
|
38
|
|
|
39
|
$clientmac = pfSense_ip_to_mac($clientip);
|
|
40
|
if (!is_array($clientmac)) {
|
|
41
|
if (!isset($cpcfg['nomacfilter']) || isset($cpcfg['passthrumacadd'])) {
|
|
42
|
/* unable to find MAC address - shouldn't happen! - bail out */
|
|
43
|
captiveportal_logportalauth("unauthenticated", "noclientmac", $clientip, "ERROR");
|
|
44
|
echo "An error occurred. Please check the system logs for more information.";
|
|
45
|
log_error("Zone: {$cpzone} - Captive portal could not determine client's MAC address. Disable MAC address filtering in captive portal if you do not need this functionality.");
|
|
46
|
ob_flush();
|
|
47
|
return;
|
|
48
|
}
|
|
49
|
}
|
|
50
|
else if (is_array($cpcfg['passthrumac'])) {
|
|
51
|
foreach ($cpcfg['passthrumac'] as $macent) {
|
|
52
|
if ($macent['mac'] == $clientmac['macaddr']) {
|
|
53
|
if ($macent['action'] == 'pass') {
|
|
54
|
// 'clientmac' is part of the 'allowed MAC' list
|
|
55
|
ob_flush();
|
|
56
|
return;
|
|
57
|
}
|
|
58
|
}
|
|
59
|
}
|
|
60
|
}
|
|
61
|
|
|
62
|
/* ---- RFC8910.php Custom Code for Kea DHCP, check MAC address instead of IP to verify a sesson ID exists
|
|
63
|
Kea reclaims the IP quickly after the client disconnects, creating IP/MAC conflicts
|
|
64
|
when reallocated within the captive portal database of validated clients.
|
|
65
|
It is the MAC that it validated, not the IP as IP can change frequently
|
|
66
|
This code matches the MAC in the database and assess if it is currently validated by the Portal
|
|
67
|
so that The correct True/False string for DCHP 114 is sent.
|
|
68
|
*/
|
|
69
|
|
|
70
|
//Check to see if that IP is associated with this device's MAC address in the captive portal database?
|
|
71
|
$ARPforIP = shell_exec("arp '$clientip'");
|
|
72
|
$clientmac = substr($ARPforIP, 17, 24);
|
|
73
|
if (preg_match('/([a-fA-F0-9]{2}[:|\-]?){6}/', "'{$clientmac}'", $matches)) {
|
|
74
|
$clientmac = $matches[0];
|
|
75
|
}
|
|
76
|
|
|
77
|
/* read in client database and verify IP/MAC matches */
|
|
78
|
$query = "WHERE mac = '{$clientmac}'";
|
|
79
|
$cpdbmac = captiveportal_read_db($query);
|
|
80
|
foreach ($cpdbmac as $cpentrymac) {
|
|
81
|
$cpsessionmac = $cpentrymac;
|
|
82
|
}
|
|
83
|
$checkip = $cpentrymac[2];
|
|
84
|
|
|
85
|
if (!empty($cpsessionmac)) {
|
|
86
|
$sessionidmac = $cpsessionmac['sessionid'];
|
|
87
|
}
|
|
88
|
|
|
89
|
unset($cpdbmac);
|
|
90
|
|
|
91
|
/* ------- End Kea customized Code */
|
|
92
|
|
|
93
|
|
|
94
|
$rfc8910_url = 'https://' . $_SERVER['HTTP_HOST'] . '/index.php?zone=' . $cpzone;
|
|
95
|
|
|
96
|
if (empty($sessionidmac) || ($checkip <> $clientip)) {
|
|
97
|
/* captiveportal_logportalauth("rfc8910", "EMPTY SESSION", $clientip, $cpzone); */
|
|
98
|
/* $seconds_remaining = $cpcfg['timeout'] * 60; */
|
|
99
|
$json_post = array (
|
|
100
|
"captive" => true,
|
|
101
|
"user-portal-url" => "$rfc8910_url",
|
|
102
|
"venue-info-url" => "$rfc8910_url"
|
|
103
|
);
|
|
104
|
|
|
105
|
echo json_encode($json_post, JSON_PRETTY_PRINT);
|
|
106
|
|
|
107
|
} else {
|
|
108
|
/* captiveportal_logportalauth("rfc8910", "EXISTING SESSION", $clientip, $cpzone); */
|
|
109
|
/* $seconds_remaining = (time()-$cpsession['allow_time'])+($cpcfg['timeout']*60); */
|
|
110
|
$json_post = array (
|
|
111
|
"captive" => false,
|
|
112
|
"user-portal-url" => "$rfc8910_url",
|
|
113
|
"venue-info-url" => "$rfc8910_url"
|
|
114
|
);
|
|
115
|
echo json_encode($json_post, JSON_PRETTY_PRINT);
|
|
116
|
|
|
117
|
}
|
|
118
|
ob_flush();
|
|
119
|
|
|
120
|
return;
|
|
121
|
?>
|