|
1
|
#!/usr/local/bin/php
|
|
2
|
<?php
|
|
3
|
/*
|
|
4
|
vpn_pptp.php
|
|
5
|
part of m0n0wall (http://m0n0.ch/wall)
|
|
6
|
|
|
7
|
Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
|
|
8
|
All rights reserved.
|
|
9
|
|
|
10
|
Redistribution and use in source and binary forms, with or without
|
|
11
|
modification, are permitted provided that the following conditions are met:
|
|
12
|
|
|
13
|
1. Redistributions of source code must retain the above copyright notice,
|
|
14
|
this list of conditions and the following disclaimer.
|
|
15
|
|
|
16
|
2. Redistributions in binary form must reproduce the above copyright
|
|
17
|
notice, this list of conditions and the following disclaimer in the
|
|
18
|
documentation and/or other materials provided with the distribution.
|
|
19
|
|
|
20
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
21
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
22
|
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
23
|
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
|
24
|
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
25
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
26
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
27
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
28
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
29
|
POSSIBILITY OF SUCH DAMAGE.
|
|
30
|
*/
|
|
31
|
|
|
32
|
require("guiconfig.inc");
|
|
33
|
|
|
34
|
if (!is_array($config['pptpd']['radius'])) {
|
|
35
|
$config['pptpd']['radius'] = array();
|
|
36
|
}
|
|
37
|
$pptpcfg = &$config['pptpd'];
|
|
38
|
|
|
39
|
$pconfig['remoteip'] = $pptpcfg['remoteip'];
|
|
40
|
$pconfig['localip'] = $pptpcfg['localip'];
|
|
41
|
$pconfig['redir'] = $pptpcfg['redir'];
|
|
42
|
$pconfig['mode'] = $pptpcfg['mode'];
|
|
43
|
$pconfig['req128'] = isset($pptpcfg['req128']);
|
|
44
|
$pconfig['radiusenable'] = isset($pptpcfg['radius']['enable']);
|
|
45
|
$pconfig['radacct_enable'] = isset($pptpcfg['radius']['accounting']);
|
|
46
|
$pconfig['radiusserver'] = $pptpcfg['radius']['server'];
|
|
47
|
$pconfig['radiussecret'] = $pptpcfg['radius']['secret'];
|
|
48
|
|
|
49
|
if ($_POST) {
|
|
50
|
|
|
51
|
unset($input_errors);
|
|
52
|
$pconfig = $_POST;
|
|
53
|
|
|
54
|
/* input validation */
|
|
55
|
if ($_POST['mode'] == "server") {
|
|
56
|
$reqdfields = explode(" ", "localip remoteip");
|
|
57
|
$reqdfieldsn = explode(",", "Server address,Remote start address");
|
|
58
|
|
|
59
|
if ($_POST['radiusenable']) {
|
|
60
|
$reqdfields = array_merge($reqdfields, explode(" ", "radiusserver radiussecret"));
|
|
61
|
$reqdfieldsn = array_merge($reqdfieldsn,
|
|
62
|
explode(",", "RADIUS server address,RADIUS shared secret"));
|
|
63
|
}
|
|
64
|
|
|
65
|
do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
|
|
66
|
|
|
67
|
if (($_POST['localip'] && !is_ipaddr($_POST['localip']))) {
|
|
68
|
$input_errors[] = "A valid server address must be specified.";
|
|
69
|
}
|
|
70
|
if (($_POST['subnet'] && !is_ipaddr($_POST['remoteip']))) {
|
|
71
|
$input_errors[] = "A valid remote start address must be specified.";
|
|
72
|
}
|
|
73
|
if (($_POST['radiusserver'] && !is_ipaddr($_POST['radiusserver']))) {
|
|
74
|
$input_errors[] = "A valid RADIUS server address must be specified.";
|
|
75
|
}
|
|
76
|
|
|
77
|
if (!$input_errors) {
|
|
78
|
$_POST['remoteip'] = $pconfig['remoteip'] = gen_subnet($_POST['remoteip'], $g['pptp_subnet']);
|
|
79
|
$subnet_start = ip2long($_POST['remoteip']);
|
|
80
|
$subnet_end = ip2long($_POST['remoteip']) + $g['n_pptp_units'] - 1;
|
|
81
|
|
|
82
|
if ((ip2long($_POST['localip']) >= $subnet_start) &&
|
|
83
|
(ip2long($_POST['localip']) <= $subnet_end)) {
|
|
84
|
$input_errors[] = "The specified server address lies in the remote subnet.";
|
|
85
|
}
|
|
86
|
if ($_POST['localip'] == $config['interfaces']['lan']['ipaddr']) {
|
|
87
|
$input_errors[] = "The specified server address is equal to the LAN interface address.";
|
|
88
|
}
|
|
89
|
}
|
|
90
|
} else if ($_POST['mode'] == "redir") {
|
|
91
|
$reqdfields = explode(" ", "redir");
|
|
92
|
$reqdfieldsn = explode(",", "PPTP redirection target address");
|
|
93
|
|
|
94
|
do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
|
|
95
|
|
|
96
|
if (($_POST['redir'] && !is_ipaddr($_POST['redir']))) {
|
|
97
|
$input_errors[] = "A valid target address must be specified.";
|
|
98
|
}
|
|
99
|
}
|
|
100
|
|
|
101
|
if (!$input_errors) {
|
|
102
|
$pptpcfg['remoteip'] = $_POST['remoteip'];
|
|
103
|
$pptpcfg['redir'] = $_POST['redir'];
|
|
104
|
$pptpcfg['localip'] = $_POST['localip'];
|
|
105
|
$pptpcfg['mode'] = $_POST['mode'];
|
|
106
|
$pptpcfg['req128'] = $_POST['req128'] ? true : false;
|
|
107
|
$pptpcfg['radius']['enable'] = $_POST['radiusenable'] ? true : false;
|
|
108
|
$pptpcfg['radius']['accounting'] = $_POST['radacct_enable'] ? true : false;
|
|
109
|
$pptpcfg['radius']['server'] = $_POST['radiusserver'];
|
|
110
|
$pptpcfg['radius']['secret'] = $_POST['radiussecret'];
|
|
111
|
|
|
112
|
write_config();
|
|
113
|
|
|
114
|
$retval = 0;
|
|
115
|
if (!file_exists($d_sysrebootreqd_path)) {
|
|
116
|
config_lock();
|
|
117
|
$retval = vpn_pptpd_configure();
|
|
118
|
config_unlock();
|
|
119
|
}
|
|
120
|
$savemsg = get_std_save_message($retval);
|
|
121
|
}
|
|
122
|
}
|
|
123
|
?>
|
|
124
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
|
|
125
|
<html><head>
|
|
126
|
<title><?=gentitle("VPN: PPTP");?></title>
|
|
127
|
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
|
|
128
|
<link href="gui.css" rel="stylesheet" type="text/css">
|
|
129
|
<script language="JavaScript">
|
|
130
|
<!--
|
|
131
|
function get_radio_value(obj)
|
|
132
|
{
|
|
133
|
for (i = 0; i < obj.length; i++) {
|
|
134
|
if (obj[i].checked)
|
|
135
|
return obj[i].value;
|
|
136
|
}
|
|
137
|
return null;
|
|
138
|
}
|
|
139
|
|
|
140
|
function enable_change(enable_over) {
|
|
141
|
if ((get_radio_value(document.iform.mode) == "server") || enable_over) {
|
|
142
|
document.iform.remoteip.disabled = 0;
|
|
143
|
document.iform.localip.disabled = 0;
|
|
144
|
document.iform.req128.disabled = 0;
|
|
145
|
document.iform.radiusenable.disabled = 0;
|
|
146
|
|
|
147
|
if (document.iform.radiusenable.checked || enable_over) {
|
|
148
|
document.iform.radacct_enable.disabled = 0;
|
|
149
|
document.iform.radiusserver.disabled = 0;
|
|
150
|
document.iform.radiussecret.disabled = 0;
|
|
151
|
} else {
|
|
152
|
document.iform.radacct_enable.disabled = 1;
|
|
153
|
document.iform.radiusserver.disabled = 1;
|
|
154
|
document.iform.radiussecret.disabled = 1;
|
|
155
|
}
|
|
156
|
} else {
|
|
157
|
document.iform.remoteip.disabled = 1;
|
|
158
|
document.iform.localip.disabled = 1;
|
|
159
|
document.iform.req128.disabled = 1;
|
|
160
|
document.iform.radiusenable.disabled = 1;
|
|
161
|
document.iform.radacct_enable.disabled = 1;
|
|
162
|
document.iform.radiusserver.disabled = 1;
|
|
163
|
document.iform.radiussecret.disabled = 1;
|
|
164
|
}
|
|
165
|
if ((get_radio_value(document.iform.mode) == "redir") || enable_over) {
|
|
166
|
document.iform.redir.disabled = 0;
|
|
167
|
} else {
|
|
168
|
document.iform.redir.disabled = 1;
|
|
169
|
}
|
|
170
|
}
|
|
171
|
//-->
|
|
172
|
</script>
|
|
173
|
</head>
|
|
174
|
|
|
175
|
<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
|
|
176
|
<?php include("fbegin.inc"); ?>
|
|
177
|
<p class="pgtitle">VPN: PPTP</p>
|
|
178
|
<form action="vpn_pptp.php" method="post" name="iform" id="iform">
|
|
179
|
<?php if ($input_errors) print_input_errors($input_errors); ?>
|
|
180
|
<?php if ($savemsg) print_info_box($savemsg); ?>
|
|
181
|
<table width="100%" border="0" cellpadding="0" cellspacing="0">
|
|
182
|
<tr><td>
|
|
183
|
<ul id="tabnav">
|
|
184
|
<li class="tabact">Configuration</li>
|
|
185
|
<li class="tabinact"><a href="vpn_pptp_users.php">Users</a></li>
|
|
186
|
</ul>
|
|
187
|
</td></tr>
|
|
188
|
<tr>
|
|
189
|
<td class="tabcont">
|
|
190
|
<table width="100%" border="0" cellpadding="6" cellspacing="0">
|
|
191
|
<tr>
|
|
192
|
<td width="22%" valign="top" class="vtable"> </td>
|
|
193
|
<td width="78%" class="vtable">
|
|
194
|
<input name="mode" type="radio" onclick="enable_change(false)" value="off"
|
|
195
|
<?php if (($pconfig['mode'] != "server") && ($pconfig['mode'] != "redir")) echo "checked";?>>
|
|
196
|
Off</td>
|
|
197
|
<tr>
|
|
198
|
<td width="22%" valign="top" class="vtable"> </td>
|
|
199
|
<td width="78%" class="vtable">
|
|
200
|
<input type="radio" name="mode" value="redir" onclick="enable_change(false)" <?php if ($pconfig['mode'] == "redir") echo "checked"; ?>>
|
|
201
|
Redirect incoming PPTP connections to:</td>
|
|
202
|
<tr>
|
|
203
|
<td width="22%" valign="top" class="vncellreq">PPTP redirection</td>
|
|
204
|
<td width="78%" class="vtable">
|
|
205
|
<input name="redir" type="text" class="formfld" id="redir" size="20" value="<?=htmlspecialchars($pconfig['redir']);?>">
|
|
206
|
<br>
|
|
207
|
Enter the IP address of a host which will accept incoming
|
|
208
|
PPTP connections.</td>
|
|
209
|
<tr>
|
|
210
|
<td width="22%" valign="top" class="vtable"> </td>
|
|
211
|
<td width="78%" class="vtable">
|
|
212
|
<input type="radio" name="mode" value="server" onclick="enable_change(false)" <?php if ($pconfig['mode'] == "server") echo "checked"; ?>>
|
|
213
|
Enable PPTP server</td>
|
|
214
|
<tr>
|
|
215
|
<td width="22%" valign="top" class="vncellreq">Max. concurrent
|
|
216
|
connections</td>
|
|
217
|
<td width="78%" class="vtable">
|
|
218
|
<?=$g['n_pptp_units'];?>
|
|
219
|
</td>
|
|
220
|
<tr>
|
|
221
|
<td width="22%" valign="top" class="vncellreq">Server address</td>
|
|
222
|
<td width="78%" class="vtable">
|
|
223
|
<input name="localip" type="text" class="formfld" id="localip" size="20" value="<?=htmlspecialchars($pconfig['localip']);?>">
|
|
224
|
<br>
|
|
225
|
Enter the IP address the PPTP server should use on its side
|
|
226
|
for all clients.</td>
|
|
227
|
</tr>
|
|
228
|
<tr>
|
|
229
|
<td width="22%" valign="top" class="vncellreq">Remote address
|
|
230
|
range</td>
|
|
231
|
<td width="78%" class="vtable">
|
|
232
|
<input name="remoteip" type="text" class="formfld" id="remoteip" size="20" value="<?=htmlspecialchars($pconfig['remoteip']);?>">
|
|
233
|
/
|
|
234
|
<?=$g['pptp_subnet'];?>
|
|
235
|
<br>
|
|
236
|
Specify the starting address for the client IP address subnet.<br>
|
|
237
|
The PPTP server will assign
|
|
238
|
<?=$g['n_pptp_units'];?>
|
|
239
|
addresses, starting at the address entered above, to clients.</td>
|
|
240
|
</tr>
|
|
241
|
<tr>
|
|
242
|
<td width="22%" valign="top" class="vncell">RADIUS</td>
|
|
243
|
<td width="78%" class="vtable">
|
|
244
|
<p>
|
|
245
|
<input name="radiusenable" type="checkbox" id="radiusenable" onclick="enable_change(false)" value="yes" <?php if ($pconfig['radiusenable'] == "yes") echo "checked"; ?>>
|
|
246
|
<strong>Use a RADIUS server for authentication<br>
|
|
247
|
</strong>When set, all users will be authenticated using
|
|
248
|
the RADIUS server specified below. The local user database
|
|
249
|
will not be used.<br>
|
|
250
|
<br>
|
|
251
|
<input name="radacct_enable" type="checkbox" id="radacct_enable" onclick="enable_change(false)" value="yes" <?php if ($pconfig['radacct_enable'] == "yes") echo "checked"; ?>>
|
|
252
|
<strong>Enable RADIUS accounting <br>
|
|
253
|
</strong>Sends accounting packets to the RADIUS server. </p></td>
|
|
254
|
</tr>
|
|
255
|
<tr>
|
|
256
|
<td width="22%" valign="top" class="vncell">RADIUS server </td>
|
|
257
|
<td width="78%" class="vtable">
|
|
258
|
<p>
|
|
259
|
<input name="radiusserver" type="text" class="formfld" id="radiusserver" size="20" value="<?=htmlspecialchars($pconfig['radiusserver']);?>">
|
|
260
|
<br>
|
|
261
|
Enter the IP address of the RADIUS server.</p></td>
|
|
262
|
</tr>
|
|
263
|
<tr>
|
|
264
|
<td width="22%" valign="top" class="vncell">RADIUS shared secret</td>
|
|
265
|
<td width="78%" valign="top" class="vtable">
|
|
266
|
<p>
|
|
267
|
<input name="radiussecret" type="password" class="formfld" id="radiussecret" size="20" value="<?=htmlspecialchars($pconfig['radiussecret']);?>">
|
|
268
|
<br>
|
|
269
|
Enter the shared secret that will be used to authenticate
|
|
270
|
to the RADIUS server.</p></td>
|
|
271
|
</tr>
|
|
272
|
<tr>
|
|
273
|
<td height="16" colspan="2" valign="top"></td>
|
|
274
|
</tr>
|
|
275
|
<tr>
|
|
276
|
<td width="22%" valign="middle"> </td>
|
|
277
|
<td width="78%" class="vtable">
|
|
278
|
<input name="req128" type="checkbox" id="req128" value="yes" <?php if ($pconfig['req128'] == "yes") echo "checked"; ?>>
|
|
279
|
<strong>Require 128-bit encryption</strong><br>
|
|
280
|
When set, 128-bit encryption will be accepted. Otherwise,
|
|
281
|
40-bit and 56-bit encryption will be accepted, too. Note that
|
|
282
|
encryption will always be forced on PPTP connections (i.e.
|
|
283
|
unencrypted connections will not be accepted).</td>
|
|
284
|
</tr>
|
|
285
|
<tr>
|
|
286
|
<td width="22%" valign="top"> </td>
|
|
287
|
<td width="78%">
|
|
288
|
<input name="Submit" type="submit" class="formbtn" value="Save" onclick="enable_change(true)">
|
|
289
|
</td>
|
|
290
|
</tr>
|
|
291
|
<tr>
|
|
292
|
<td width="22%" valign="top"> </td>
|
|
293
|
<td width="78%"><span class="vexpl"><span class="red"><strong>Note:<br>
|
|
294
|
</strong></span>don't forget to add a firewall rule to permit
|
|
295
|
traffic from PPTP clients!</span></td>
|
|
296
|
</tr>
|
|
297
|
</table>
|
|
298
|
</td>
|
|
299
|
</tr>
|
|
300
|
</table>
|
|
301
|
</form>
|
|
302
|
<script language="JavaScript">
|
|
303
|
<!--
|
|
304
|
enable_change(false);
|
|
305
|
//-->
|
|
306
|
</script>
|
|
307
|
<?php include("fend.inc"); ?>
|
|
308
|
</body>
|
|
309
|
</html>
|