|
1
|
<?php
|
|
2
|
|
|
3
|
/* $Id$ */
|
|
4
|
/*
|
|
5
|
$RCSfile$
|
|
6
|
Copyright (C) 2006 Fernando Lemos
|
|
7
|
All rights reserved.
|
|
8
|
|
|
9
|
Copyright (C) 2005 Peter Allgeyer <allgeyer_AT_web.de>
|
|
10
|
All rights reserved.
|
|
11
|
|
|
12
|
Copyright (C) 2004 Peter Curran (peter@closeconsultants.com).
|
|
13
|
All rights reserved.
|
|
14
|
|
|
15
|
Redistribution and use in source and binary forms, with or without
|
|
16
|
modification, are permitted provided that the following conditions are met:
|
|
17
|
|
|
18
|
1. Redistributions of source code must retain the above copyright notices,
|
|
19
|
this list of conditions and the following disclaimer.
|
|
20
|
|
|
21
|
2. Redistributions in binary form must reproduce the above copyright
|
|
22
|
notices, this list of conditions and the following disclaimer in the
|
|
23
|
documentation and/or other materials provided with the distribution.
|
|
24
|
|
|
25
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
26
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
27
|
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
28
|
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
|
29
|
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
30
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
31
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
32
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
33
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
34
|
POSSIBILITY OF SUCH DAMAGE.
|
|
35
|
*/
|
|
36
|
|
|
37
|
require_once('config.inc');
|
|
38
|
require_once('pfsense-utils.inc');
|
|
39
|
require_once('util.inc');
|
|
40
|
|
|
41
|
// Return the list of ciphers OpenVPN supports
|
|
42
|
function openvpn_get_ciphers($pkg) {
|
|
43
|
global $config;
|
|
44
|
|
|
45
|
foreach ($pkg['fields']['field'] as $i => $field) {
|
|
46
|
if ($field['fieldname'] == 'crypto') {
|
|
47
|
$option_array = &$pkg['fields']['field'][$i]['options']['option'];
|
|
48
|
$ciphers_out = shell_exec('openvpn --show-ciphers | grep "default key" | awk \'{print $1, "(" $2 "-" $3 ")";}\'');
|
|
49
|
$ciphers = explode("\n", trim($ciphers_out));
|
|
50
|
sort($ciphers);
|
|
51
|
foreach ($ciphers as $cipher) {
|
|
52
|
$value = explode(' ', $cipher);
|
|
53
|
$value = $value[0];
|
|
54
|
$option_array[] = array('value' => $value, 'name' => $cipher);
|
|
55
|
}
|
|
56
|
}
|
|
57
|
if ($field['fieldname'] == 'cipher') {
|
|
58
|
if (is_array($config['openvpn']['keys'])) {
|
|
59
|
if (count($config['openvpn']['keys']) > 0) {
|
|
60
|
$option_array = &$pkg['fields']['field'][$i]['options']['option'];
|
|
61
|
foreach ($config['openvpn']['keys'] as $cipher => $none) {
|
|
62
|
$option_array[] = array('value' => $cipher, 'name' => $cipher);
|
|
63
|
}
|
|
64
|
}
|
|
65
|
}
|
|
66
|
}
|
|
67
|
}
|
|
68
|
}
|
|
69
|
|
|
70
|
|
|
71
|
function openvpn_validate_port($value, $name) {
|
|
72
|
$value = trim($value);
|
|
73
|
if (!empty($value) && !(is_numeric($value) && ($value > 0) && ($value < 65535)))
|
|
74
|
return "The field '$name' must contain a valid port, ranging from 0 to 65535.";
|
|
75
|
return false;
|
|
76
|
}
|
|
77
|
|
|
78
|
|
|
79
|
function openvpn_validate_cidr($value, $name) {
|
|
80
|
$value = trim($value);
|
|
81
|
if (!empty($value)) {
|
|
82
|
list($ip, $mask) = explode('/', $value);
|
|
83
|
if (!is_ipaddr($ip) or !is_numeric($mask) or ($mask > 32) or ($mask < 0))
|
|
84
|
return "The field '$name' must contain a valid CIDR range.";
|
|
85
|
}
|
|
86
|
return false;
|
|
87
|
}
|
|
88
|
|
|
89
|
|
|
90
|
// Do the input validation
|
|
91
|
function openvpn_validate_input($mode, $post, $input_errors) {
|
|
92
|
$Mode = ucfirst($mode);
|
|
93
|
|
|
94
|
if ($mode == 'server') {
|
|
95
|
if ($result = openvpn_validate_port($post['local_port'], 'Local port'))
|
|
96
|
$input_errors[] = $result;
|
|
97
|
|
|
98
|
if ($result = openvpn_validate_cidr($post['addresspool'], 'Address pool'))
|
|
99
|
$input_errors[] = $result;
|
|
100
|
|
|
101
|
if ($result = openvpn_validate_cidr($post['local_network'], 'Local network'))
|
|
102
|
$input_errors[] = $result;
|
|
103
|
|
|
104
|
if (!empty($post['dhcp_dns'])) {
|
|
105
|
$servers = explode(';', $post['dhcp_dns']);
|
|
106
|
foreach ($servers as $server) if (!is_ipaddr($server))
|
|
107
|
{$input_errors[] = 'The field \'DHCP-Opt.: DNS-Server\' must contain a valid IP address and no whitespaces.';
|
|
108
|
break;}}
|
|
109
|
if (!empty($post['dhcp_wins'])) {
|
|
110
|
$servers = explode(';', $post['dhcp_wins']);
|
|
111
|
foreach ($servers as $server) if (!is_ipaddr($server))
|
|
112
|
{$input_errors[] = 'The field \'DHCP-Opt.: WINS-Server\' must contain a valid IP address and no whitespaces.';
|
|
113
|
break;}}
|
|
114
|
if (!empty($post['dhcp_nbdd'])) {
|
|
115
|
$servers = explode(';', $post['dhcp_nbdd']);
|
|
116
|
foreach ($servers as $server) if (!is_ipaddr($server))
|
|
117
|
{$input_errors[] = 'The field \'DHCP-Opt.: NBDD-Server\' must contain a valid IP address and no whitespaces.';
|
|
118
|
break;}}
|
|
119
|
if (!empty($post['dhcp_ntp'])) {
|
|
120
|
$servers = explode(';', $post['dhcp_ntp']);
|
|
121
|
foreach ($servers as $server) if (!is_ipaddr($server))
|
|
122
|
{$input_errors[] = 'The field \'DHCP-Opt.: NTP-Server\' must contain a valid IP address and no whitespaces.';
|
|
123
|
break;}}
|
|
124
|
if (isset($post['maxclients']) && $post['maxclients'] != "") {
|
|
125
|
if (!is_numeric($post['maxclients']))
|
|
126
|
$input_errors[] = 'The field \'Maximum clients\' must be numeric.';
|
|
127
|
}
|
|
128
|
|
|
129
|
}
|
|
130
|
|
|
131
|
else { // Client mode
|
|
132
|
if ($result = openvpn_validate_port($post['serverport'], 'Server port'))
|
|
133
|
$input_errors[] = $result;
|
|
134
|
|
|
135
|
$server_addr = trim($post['serveraddr']);
|
|
136
|
if (!empty($value) && !(is_domain($server_addr) || is_ipaddr($server_addr)))
|
|
137
|
$input_errors[] = 'The field \'Server address\' must contain a valid IP address or domain name.';
|
|
138
|
|
|
139
|
if ($result = openvpn_validate_cidr($post['interface_ip'], 'Interface IP'))
|
|
140
|
$input_errors[] = $result;
|
|
141
|
|
|
142
|
if ($post['auth_method'] == 'shared_key') {
|
|
143
|
if (empty($post['interface_ip']))
|
|
144
|
$input_errors[] = 'The field \'Interface IP\' is required.';
|
|
145
|
}
|
|
146
|
if (isset($post['proxy_hostname']) && $post['proxy_hostname'] != "") {
|
|
147
|
if (!is_domain($post['proxy_hostname']) || is_ipaddr($post['proxy_hostname']))
|
|
148
|
$input_errors[] = 'The field \'Proxy Host\' must contain a valid IP address or domain name.';
|
|
149
|
if (!is_port($post['proxy_port']))
|
|
150
|
$input_errors[] = 'The field \'Proxy port\' must contain a valid port number.';
|
|
151
|
if ($post['protocol'] != "TCP")
|
|
152
|
$input_errors[] = 'The protocol must be TCP to use a HTTP proxy server.';
|
|
153
|
}
|
|
154
|
if (isset($post['use_shaper']) && $post['use_shaper'] != "") {
|
|
155
|
if (!is_numeric($post['use_shaper']))
|
|
156
|
$input_errors[] = 'The field \'Limit outgoing bandwidth\' must be numeric.';
|
|
157
|
}
|
|
158
|
|
|
159
|
}
|
|
160
|
|
|
161
|
if ($result = openvpn_validate_cidr($post['remote_network'], 'Remote network'))
|
|
162
|
$input_errors[] = $result;
|
|
163
|
|
|
164
|
/* This are no more needed comment them from now and remove later */
|
|
165
|
/*
|
|
166
|
if ($_POST['auth_method'] == 'shared_key') {
|
|
167
|
$reqfields[] = 'shared_key';
|
|
168
|
$reqfieldsn[] = 'Shared key';
|
|
169
|
}
|
|
170
|
else {
|
|
171
|
$req = explode(' ', "ca_cert {$mode}_cert {$mode}_key");
|
|
172
|
$reqn = array( 'CA certificate',
|
|
173
|
ucfirst($mode) . ' certificate',
|
|
174
|
ucfirst($mode) . ' key');
|
|
175
|
$reqfields = array_merge($reqfields, $req);
|
|
176
|
$reqfieldsn = array_merge($reqfieldsn, $reqn);
|
|
177
|
if ($mode == 'server') {
|
|
178
|
$reqfields[] = 'dh_params';
|
|
179
|
$reqfieldsn[] = 'DH parameters';
|
|
180
|
}
|
|
181
|
}
|
|
182
|
do_input_validation($post, $reqfields, $reqfieldsn, &$input_errors);
|
|
183
|
*/
|
|
184
|
if ($mode != "server") {
|
|
185
|
$value = trim($post['shared_key']);
|
|
186
|
$items = array();
|
|
187
|
|
|
188
|
if ($_POST['auth_method'] == 'shared_key') {
|
|
189
|
$items[] = array( 'field' => 'shared.key',
|
|
190
|
'string' => 'OpenVPN Static key V1',
|
|
191
|
'name' => 'Shared key');
|
|
192
|
}
|
|
193
|
else {
|
|
194
|
$items[] = array( 'field' => 'ca.crt',
|
|
195
|
'string' => 'CERTIFICATE',
|
|
196
|
'name' => 'CA certificate');
|
|
197
|
$items[] = array( 'field' => "{$mode}.crt",
|
|
198
|
'string' => 'CERTIFICATE',
|
|
199
|
'name' => "$Mode certificate");
|
|
200
|
$items[] = array( 'field' => "{$mode}.key",
|
|
201
|
'string' => 'RSA PRIVATE KEY',
|
|
202
|
'name' => "$Mode key");
|
|
203
|
$items[] = array( 'field' => 'tls',
|
|
204
|
'string' => 'OpenVPN Static key V1',
|
|
205
|
'name' => 'TLS');
|
|
206
|
if ($mode == 'server') {
|
|
207
|
$items[] = array( 'field' => 'dh_param.dhs',
|
|
208
|
'string' => 'DH PARAMETERS',
|
|
209
|
'name' => 'DH parameters');
|
|
210
|
$items[] = array( 'field' => 'crlcrl',
|
|
211
|
'string' => 'X509 CRL',
|
|
212
|
'name' => 'CRL');
|
|
213
|
}
|
|
214
|
}
|
|
215
|
foreach ($items as $item) {
|
|
216
|
$value = trim($_POST[$item['field']]);
|
|
217
|
$string = $item['string'];
|
|
218
|
if ($value && (!strstr($value, "-----BEGIN {$string}-----") || !strstr($value, "-----END {$string}-----")))
|
|
219
|
$input_errors[] = "The field '{$item['name']}' does not appear to be valid";
|
|
220
|
}
|
|
221
|
}
|
|
222
|
}
|
|
223
|
|
|
224
|
|
|
225
|
function openvpn_validate_input_csc($post, $input_errors) {
|
|
226
|
if ($result = openvpn_validate_cidr($post['ifconfig_push'], 'Interface IP'))
|
|
227
|
$input_errors[] = $result;
|
|
228
|
|
|
229
|
if ($post['push_reset'] != 'on') {
|
|
230
|
if (!empty($post['dhcp_domainname']))
|
|
231
|
$input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
|
|
232
|
elseif (!empty($post['dhcp_dns']))
|
|
233
|
$input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
|
|
234
|
elseif (!empty($post['dhcp_wins']))
|
|
235
|
$input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
|
|
236
|
elseif (!empty($post['dhcp_nbdd']))
|
|
237
|
$input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
|
|
238
|
elseif (!empty($post['dhcp_ntp']))
|
|
239
|
$input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
|
|
240
|
elseif ($post['dhcp_nbttype'])
|
|
241
|
$input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
|
|
242
|
elseif (!empty($post['dhcp_nbtscope']))
|
|
243
|
$input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
|
|
244
|
elseif ($post['dhcp_nbtdisable'])
|
|
245
|
$input_errors[] = 'It makes no sense to unselect push reset and configure dhcp-options';
|
|
246
|
|
|
247
|
}
|
|
248
|
else {
|
|
249
|
|
|
250
|
if (!empty($post['dhcp_dns'])) {
|
|
251
|
$servers = explode(';', $post['dhcp_dns']);
|
|
252
|
foreach ($servers as $server) if (!is_ipaddr($server))
|
|
253
|
{$input_errors[] = 'The field \'DHCP-Opt.: DNS-Server\' must contain a valid IP address and no whitespaces.';
|
|
254
|
break;}}
|
|
255
|
if (!empty($post['dhcp_wins'])) {
|
|
256
|
$servers = explode(';', $post['dhcp_wins']);
|
|
257
|
foreach ($servers as $server) if (!is_ipaddr($server))
|
|
258
|
{$input_errors[] = 'The field \'DHCP-Opt.: WINS-Server\' must contain a valid IP address and no whitespaces.';
|
|
259
|
break;}}
|
|
260
|
if (!empty($post['dhcp_nbdd'])) {
|
|
261
|
$servers = explode(';', $post['dhcp_nbdd']);
|
|
262
|
foreach ($servers as $server) if (!is_ipaddr($server))
|
|
263
|
{$input_errors[] = 'The field \'DHCP-Opt.: NBDD-Server\' must contain a valid IP address and no whitespaces.';
|
|
264
|
break;}}
|
|
265
|
if (!empty($post['dhcp_ntp'])) {
|
|
266
|
$servers = explode(';', $post['dhcp_ntp']);
|
|
267
|
foreach ($servers as $server) if (!is_ipaddr($server))
|
|
268
|
{$input_errors[] = 'The field \'DHCP-Opt.: NTP-Server\' must contain a valid IP address and no whitespaces.';
|
|
269
|
break;}}
|
|
270
|
|
|
271
|
}}
|
|
272
|
|
|
273
|
// Rewrite the settings
|
|
274
|
function openvpn_reconfigure($mode, $id) {
|
|
275
|
global $g, $config;
|
|
276
|
|
|
277
|
$settings = $config['installedpackages']["openvpn$mode"]['config'][$id];
|
|
278
|
if ($settings['disable']) return;
|
|
279
|
|
|
280
|
$lport = 1194 + $id;
|
|
281
|
|
|
282
|
mwexec("/sbin/ifconfig tun{$id} create");
|
|
283
|
mwexec("/sbin/ifconfig tun{$id} name openvpn{$id}");
|
|
284
|
mwexec("/sbin/ifconfig openvpn{$id} group openvpn");
|
|
285
|
|
|
286
|
$pidfile = $g['varrun_path'] . "/openvpn_{$mode}{$id}.pid";
|
|
287
|
$proto = ($settings['protocol'] == 'UDP' ? 'udp' : "tcp-{$mode}");
|
|
288
|
$cipher = $settings['crypto'];
|
|
289
|
$openvpn_conf = "dev openvpn{$id}\n";
|
|
290
|
$openvpn_conf .= <<<EOD
|
|
291
|
writepid $pidfile
|
|
292
|
#user nobody
|
|
293
|
#group nobody
|
|
294
|
daemon
|
|
295
|
keepalive 10 60
|
|
296
|
ping-timer-rem
|
|
297
|
persist-tun
|
|
298
|
persist-key
|
|
299
|
proto $proto
|
|
300
|
cipher $cipher
|
|
301
|
up /etc/rc.filter_configure
|
|
302
|
down /etc/rc.filter_configure
|
|
303
|
|
|
304
|
EOD;
|
|
305
|
|
|
306
|
// Mode-specific stuff
|
|
307
|
if ($mode == 'server') {
|
|
308
|
list($ip, $mask) = explode('/', $settings['addresspool']);
|
|
309
|
$mask = gen_subnet_mask($mask);
|
|
310
|
|
|
311
|
// Using a shared key or not dynamically assigning IPs to the clients
|
|
312
|
if (($settings['auth_method'] == 'shared_key') || ($settings['nopool'] == 'on')) {
|
|
313
|
if ($settings['auth_method'] == 'pki') $openvpn_conf .= "tls-server\n";
|
|
314
|
|
|
315
|
$baselong = ip2long($ip) & ip2long($mask);
|
|
316
|
$ip1 = long2ip($baselong + 1);
|
|
317
|
$ip2 = long2ip($baselong + 2);
|
|
318
|
$openvpn_conf .= "ifconfig $ip1 $ip2\n";
|
|
319
|
}
|
|
320
|
// Using a PKI
|
|
321
|
else if ($settings['auth_method'] == 'pki') {
|
|
322
|
if ($settings['client2client']) $openvpn_conf .= "client-to-client\n";
|
|
323
|
$openvpn_conf .= "server $ip $mask\n";
|
|
324
|
$csc_dir = "{$g['varetc_path']}/openvpn_csc";
|
|
325
|
$openvpn_conf .= "client-config-dir $csc_dir\n";
|
|
326
|
}
|
|
327
|
|
|
328
|
// We can push routes
|
|
329
|
if (!empty($settings['local_network'])) {
|
|
330
|
list($ip, $mask) = explode('/', $settings['local_network']);
|
|
331
|
$mask = gen_subnet_mask($mask);
|
|
332
|
$openvpn_conf .= "push \"route $ip $mask\"\n";
|
|
333
|
}
|
|
334
|
|
|
335
|
if ($settings['bind_to_iface'] == 'on') {
|
|
336
|
$iface = $settings['interface'];
|
|
337
|
$iface = convert_friendly_interface_to_real_interface_name($iface);
|
|
338
|
$line = trim(shell_exec("ifconfig $iface | grep inet | grep -v inet6"));
|
|
339
|
list($dummy, $ip, $dummy2, $dummy3) = explode(' ', $line);
|
|
340
|
|
|
341
|
$openvpn_conf .= "local {$ip}\n";
|
|
342
|
}
|
|
343
|
|
|
344
|
// The port we'll listen at
|
|
345
|
$openvpn_conf .= "lport {$settings['local_port']}\n";
|
|
346
|
|
|
347
|
// DHCP-Options
|
|
348
|
if (!empty($settings['dhcp_domainname'])) $openvpn_conf .= "push \"dhcp-option DOMAIN {$settings['dhcp_domainname']}\"\n";
|
|
349
|
|
|
350
|
if (!empty($settings['dhcp_dns'])) {
|
|
351
|
$servers = explode(';', $settings['dhcp_dns']);
|
|
352
|
if (is_array($servers)) {
|
|
353
|
foreach ($servers as $server) $openvpn_conf .= "push \"dhcp-option DNS {$server}\"\n";
|
|
354
|
}
|
|
355
|
else {
|
|
356
|
$openvpn_conf .= "push \"dhcp-option DNS {$settings['dhcp_dns']}\"\n";
|
|
357
|
}
|
|
358
|
}
|
|
359
|
|
|
360
|
if (!empty($settings['dhcp_wins'])) {
|
|
361
|
$servers = explode(';', $settings['dhcp_wins']);
|
|
362
|
if (is_array($servers)) {
|
|
363
|
foreach ($servers as $server) $openvpn_conf .= "push \"dhcp-option WINS {$server}\"\n";
|
|
364
|
}
|
|
365
|
else {
|
|
366
|
$openvpn_conf .= "push \"dhcp-option WINS {$settings['dhcp_wins']}\"\n";
|
|
367
|
}
|
|
368
|
}
|
|
369
|
|
|
370
|
if (!empty($settings['dhcp_nbdd'])) {
|
|
371
|
$servers = explode(';', $settings['dhcp_nbdd']);
|
|
372
|
if (is_array($servers)) {
|
|
373
|
foreach ($servers as $server) $openvpn_conf .= "push \"dhcp-option NBDD {$server}\"\n";
|
|
374
|
}
|
|
375
|
else {
|
|
376
|
$openvpn_conf .= "push \"dhcp-option NBDD {$settings['dhcp_nbdd']}\"\n";
|
|
377
|
}
|
|
378
|
}
|
|
379
|
|
|
380
|
if (!empty($settings['dhcp_ntp'])) {
|
|
381
|
$servers = explode(';', $settings['dhcp_ntp']);
|
|
382
|
if (is_array($servers)) {
|
|
383
|
foreach ($servers as $server) $openvpn_conf .= "push \"dhcp-option NTP {$server}\"\n";
|
|
384
|
}
|
|
385
|
else {
|
|
386
|
$openvpn_conf .= "push \"dhcp-option NTP {$settings['dhcp_ntp']}\"\n";
|
|
387
|
}
|
|
388
|
}
|
|
389
|
|
|
390
|
if (!empty($settings['dhcp_nbttype']) && $settings['dhcp_nbttype'] !=0) $openvpn_conf .= "push \"dhcp-option NBT {$settings['dhcp_nbttype']}\"\n";
|
|
391
|
if (!empty($settings['dhcp_nbtscope'])) $openvpn_conf .= "push \"dhcp-option NBS {$settings['dhcp_nbtscope']}\"\n";
|
|
392
|
if ($settings['dhcp_nbtdisable']) $openvpn_conf .= "push \"dhcp-option DISABLE-NBT\"\n";
|
|
393
|
|
|
394
|
if (!empty($settings['tls'])) $openvpn_conf .= "tls-auth {$g['varetc_path']}/openvpn_server{$id}.tls 0\n";
|
|
395
|
if (!empty($settings['maxclients'])) $openvpn_conf .= "max-clients {$settings['maxclients']}\n";
|
|
396
|
if ($settings['gwredir']) $openvpn_conf .= "push \"redirect-gateway def1\"\n";
|
|
397
|
if ($settings['keepalive']) $openvpn_conf .= "keepalive 12 120\n";
|
|
398
|
}
|
|
399
|
|
|
400
|
else { // $mode == client
|
|
401
|
// The remote server
|
|
402
|
$openvpn_conf .= "remote {$settings['serveraddr']} {$settings['serverport']}\n";
|
|
403
|
|
|
404
|
if ($settings['auth_method'] == 'pki') $openvpn_conf .= "client\n";
|
|
405
|
if ($settings['use_dynamicport']) $openvpn_conf .= "nobind\n";
|
|
406
|
else
|
|
407
|
// The port we'll listen at
|
|
408
|
$openvpn_conf .= "lport {$lport}\n";
|
|
409
|
|
|
410
|
if (!empty($settings['use_shaper'])) $openvpn_conf .= "shaper {$settings['use_shaper']}\n";
|
|
411
|
|
|
412
|
if (!empty($settings['interface_ip'])) {
|
|
413
|
// Configure the IPs according to the address pool
|
|
414
|
list($ip, $mask) = explode('/', $settings['interface_ip']);
|
|
415
|
$mask = gen_subnet_mask($mask);
|
|
416
|
$baselong = ip2long($ip) & ip2long($mask);
|
|
417
|
$ip1 = long2ip($baselong + 1);
|
|
418
|
$ip2 = long2ip($baselong + 2);
|
|
419
|
$openvpn_conf .= "ifconfig $ip2 $ip1\n";
|
|
420
|
}
|
|
421
|
if (isset($settings['proxy_hostname']) && $settings['proxy_hostname'] != "") {
|
|
422
|
/* ;http-proxy-retry # retry on connection failures */
|
|
423
|
$openvpn_conf .= "http-proxy {$settings['proxy_hostname']} {$settings['proxy_port']}\n";
|
|
424
|
}
|
|
425
|
|
|
426
|
if (!empty($settings['tls'])) $openvpn_conf .= "tls-auth {$g['varetc_path']}/openvpn_client{$id}.tls 1\n";
|
|
427
|
|
|
428
|
}
|
|
429
|
|
|
430
|
// Add the routes if they're set
|
|
431
|
if (!empty($settings['remote_network'])) {
|
|
432
|
list($ip, $mask) = explode('/', $settings['remote_network']);
|
|
433
|
$mask = gen_subnet_mask($mask);
|
|
434
|
$openvpn_conf .= "route $ip $mask\n";
|
|
435
|
}
|
|
436
|
|
|
437
|
// Write the settings for the keys
|
|
438
|
// Set the keys up
|
|
439
|
$base_file = $g['varetc_path'] . "/openvpn/certificates/";
|
|
440
|
$keys = array();
|
|
441
|
if ($settings['auth_method'] == 'shared_key')
|
|
442
|
$keys[] = array('field' => 'shared_key', 'ext' => 'secret', 'directive' => 'secret');
|
|
443
|
else {
|
|
444
|
$keys[] = array('field' => 'ca.crt', 'directive' => 'ca');
|
|
445
|
$keys[] = array('field' => "{$mode}.crt", 'directive' => 'cert');
|
|
446
|
$keys[] = array('field' => "{$mode}.key", 'directive' => 'key');
|
|
447
|
if ($mode == 'server')
|
|
448
|
$keys[] = array('field' => 'dh_params.dh', 'directive' => 'dh');
|
|
449
|
if ($settings['crl'])
|
|
450
|
$keys[] = array('field' => 'crl.crl', 'directive' => 'crl-verify');
|
|
451
|
}
|
|
452
|
|
|
453
|
foreach ($keys as $key) {
|
|
454
|
if ($mode == "server" && $settings['cipher'] != "none") {
|
|
455
|
$openvpn_conf .= $key['directive'] . " " . $base_file . $settings['cipher'] . "/".$key['field'] . "\n";
|
|
456
|
} else {
|
|
457
|
$filename = "$base_file/openvpn_{$mode}{$id}." . $key['field'];
|
|
458
|
file_put_contents($filename, base64_decode($settings[$key['field']]));
|
|
459
|
chown($filename, 'nobody');
|
|
460
|
chgrp($filename, 'nobody');
|
|
461
|
$openvpn_conf .= $key['directive'] . " $filename \n";
|
|
462
|
}
|
|
463
|
}
|
|
464
|
|
|
465
|
if ($settings['use_lzo']) $openvpn_conf .= "comp-lzo\n";
|
|
466
|
|
|
467
|
if ($settings['passtos']) $openvpn_conf .= "passtos\n";
|
|
468
|
|
|
469
|
if ($settings['infiniteresolvretry']) $openvpn_conf .= "resolv-retry infinite\n";
|
|
470
|
|
|
471
|
if ($settings['dynamic_ip']) {
|
|
472
|
$openvpn_conf .= "persist-remote-ip\n";
|
|
473
|
$openvpn_conf .= "float\n";
|
|
474
|
}
|
|
475
|
|
|
476
|
if (!empty($settings['custom_options'])) {
|
|
477
|
$options = explode(';', $settings['custom_options']);
|
|
478
|
if (is_array($options)) {
|
|
479
|
foreach ($options as $option)
|
|
480
|
$openvpn_conf .= "$option\n";
|
|
481
|
}
|
|
482
|
else {
|
|
483
|
$openvpn_conf .= "{$settings['custom_options']}\n";
|
|
484
|
}
|
|
485
|
}
|
|
486
|
|
|
487
|
file_put_contents($g['varetc_path'] . "/openvpn_{$mode}{$id}.conf", $openvpn_conf);
|
|
488
|
}
|
|
489
|
|
|
490
|
|
|
491
|
function openvpn_resync_csc($id) {
|
|
492
|
global $g, $config;
|
|
493
|
|
|
494
|
$settings = $config['installedpackages']['openvpncsc']['config'][$id];
|
|
495
|
|
|
496
|
if ($settings['disable'] == 'on') {
|
|
497
|
$filename = "{$g['varetc_path']}/openvpn_csc/{$settings['commonname']}";
|
|
498
|
unlink_if_exists($filename);
|
|
499
|
return;
|
|
500
|
}
|
|
501
|
|
|
502
|
$conf = '';
|
|
503
|
if ($settings['block'] == 'on') $conf .= "disable\n";
|
|
504
|
if ($settings['push_reset'] == 'on') $conf .= "push-reset\n";
|
|
505
|
if (!empty($settings['ifconfig_push'])) {
|
|
506
|
list($ip, $mask) = explode('/', $settings['ifconfig_push']);
|
|
507
|
$baselong = ip2long($ip) & gen_subnet_mask_long($mask);
|
|
508
|
$conf .= 'ifconfig-push ' . long2ip($baselong + 1) . ' ' . long2ip($baselong + 2) . "\n";
|
|
509
|
}
|
|
510
|
|
|
511
|
// DHCP-Options
|
|
512
|
if (!empty($settings['dhcp_domainname'])) $conf .= "push \"dhcp-option DOMAIN {$settings['dhcp_domainname']}\"\n";
|
|
513
|
|
|
514
|
if (!empty($settings['dhcp_dns'])) {
|
|
515
|
$servers = explode(';', $settings['dhcp_dns']);
|
|
516
|
if (is_array($servers)) {
|
|
517
|
foreach ($servers as $server) $conf .= "push \"dhcp-option DNS {$server}\"\n";
|
|
518
|
}
|
|
519
|
else {
|
|
520
|
$conf .= "push \"dhcp-option DNS {$settings['dhcp_dns']}\"\n";
|
|
521
|
}
|
|
522
|
}
|
|
523
|
|
|
524
|
if (!empty($settings['dhcp_wins'])) {
|
|
525
|
$servers = explode(';', $settings['dhcp_wins']);
|
|
526
|
if (is_array($servers)) {
|
|
527
|
foreach ($servers as $server) $conf .= "push \"dhcp-option WINS {$server}\"\n";
|
|
528
|
}
|
|
529
|
else {
|
|
530
|
$conf .= "push \"dhcp-option WINS {$settings['dhcp_wins']}\"\n";
|
|
531
|
}
|
|
532
|
}
|
|
533
|
|
|
534
|
if (!empty($settings['dhcp_nbdd'])) {
|
|
535
|
$servers = explode(';', $settings['dhcp_nbdd']);
|
|
536
|
if (is_array($servers)) {
|
|
537
|
foreach ($servers as $server) $conf .= "push \"dhcp-option NBDD {$server}\"\n";
|
|
538
|
}
|
|
539
|
else {
|
|
540
|
$conf .= "push \"dhcp-option NBDD {$settings['dhcp_nbdd']}\"\n";
|
|
541
|
}
|
|
542
|
}
|
|
543
|
|
|
544
|
if (!empty($settings['dhcp_ntp'])) {
|
|
545
|
$servers = explode(';', $settings['dhcp_ntp']);
|
|
546
|
if (is_array($servers)) {
|
|
547
|
foreach ($servers as $server) $conf .= "push \"dhcp-option NTP {$server}\"\n";
|
|
548
|
}
|
|
549
|
else {
|
|
550
|
$conf .= "push \"dhcp-option NTP {$settings['dhcp_ntp']}\"\n";
|
|
551
|
}
|
|
552
|
}
|
|
553
|
|
|
554
|
if (!empty($settings['dhcp_nbttype']) && $settings['dhcp_nbttype'] !=0) $conf .= "push \"dhcp-option NBT {$settings['dhcp_nbttype']}\"\n";
|
|
555
|
if (!empty($settings['dhcp_nbtscope'])) $conf .= "push \"dhcp-option NBS {$settings['dhcp_nbtscope']}\"\n";
|
|
556
|
if ($settings['dhcp_nbtdisable']) $conf .= "push \"dhcp-option DISABLE-NBT\"\n";
|
|
557
|
if ($settings['gwredir']) $conf .= "push \"redirect-gateway def1\"\n";
|
|
558
|
if ($settings['keepalive']) $conf .= "keepalive 12 120\n";
|
|
559
|
|
|
560
|
if (!empty($settings['custom_options'])) {
|
|
561
|
$options = explode(';', $settings['custom_options']);
|
|
562
|
if (is_array($options)) {
|
|
563
|
foreach ($options as $option)
|
|
564
|
$conf .= "$option\n";
|
|
565
|
}
|
|
566
|
else {
|
|
567
|
$conf .= "{$settings['custom_options']}\n";
|
|
568
|
}
|
|
569
|
}
|
|
570
|
|
|
571
|
$filename = "{$g['varetc_path']}/openvpn_csc/{$settings['commonname']}";
|
|
572
|
file_put_contents($filename, $conf);
|
|
573
|
chown($filename, 'nobody');
|
|
574
|
chgrp($filename, 'nogroup');
|
|
575
|
|
|
576
|
}
|
|
577
|
|
|
578
|
|
|
579
|
function openvpn_restart($mode, $id) {
|
|
580
|
global $g, $config;
|
|
581
|
|
|
582
|
$pidfile = $g['varrun_path'] . "/openvpn_{$mode}{$id}.pid";
|
|
583
|
killbypid($pidfile);
|
|
584
|
sleep(2);
|
|
585
|
|
|
586
|
$settings = $config['installedpackages']["openvpn$mode"]['config'][$id];
|
|
587
|
if ($settings['disable']) return;
|
|
588
|
|
|
589
|
$configfile = $g['varetc_path'] . "/openvpn_{$mode}{$id}.conf";
|
|
590
|
mwexec_bg("nohup openvpn --config $configfile");
|
|
591
|
touch("{$g['tmp_path']}/filter_dirty");
|
|
592
|
}
|
|
593
|
|
|
594
|
//Make ciphers ready for openvpn
|
|
595
|
function openvpn_restore_all_ciphers() {
|
|
596
|
global $config, $g;
|
|
597
|
|
|
598
|
$ovpncapath = $g['varetc_path']."/openvpn/certificates";
|
|
599
|
|
|
600
|
if (is_array($config['openvpn']['keys'])) {
|
|
601
|
if (!is_dir($g['varetc_path']."/openvpn"))
|
|
602
|
safe_mkdir($g['varetc_path']."/openvpn");
|
|
603
|
if (!is_dir($ovpncapath))
|
|
604
|
safe_mkdir($ovpncapath);
|
|
605
|
|
|
606
|
/* XXX: hardcoded path; worth making it a global?! */
|
|
607
|
mwexec("cp -r /usr/local/share/openvpn/certificates ".$g['varetc_path']."/openvpn/");
|
|
608
|
if (!is_dir($ovpncapath)) {
|
|
609
|
log_error("Failed to create environment for creating certificates. ");
|
|
610
|
} else {
|
|
611
|
|
|
612
|
foreach ($config['openvpn']['keys'] as $caname => $ciphers) {
|
|
613
|
if (!is_dir("$ovpncapath/$caname"))
|
|
614
|
safe_mkdir("$ovpncapath/$caname");
|
|
615
|
|
|
616
|
$cfg = "";
|
|
617
|
/* NOTE: vars; Do we need them restored?! */
|
|
618
|
$cfg .= "setenv KEY_SIZE " .$ciphers['keysize'] ."\n";
|
|
619
|
$cfg .= "setenv KEY_EXPIRE ".$ciphers['keyexpire'] ."\n";
|
|
620
|
$cfg .= "setenv CA_EXPIRE " .$ciphers['caexpire'] . "\n";
|
|
621
|
$cfg .= "setenv KEY_COUNTRY " .$ciphers['keycountry'] ."\n";
|
|
622
|
$cfg .= "setenv KEY_RPOVINCE " .$ciphers['keyprovince'] . "\n";
|
|
623
|
$cfg .= "setenv KEY_CITY " .$ciphers['keycity'] . "\n";
|
|
624
|
$cfg .= "setenv KEY_ORG " .$ciphers['keyorg'] . "\n";
|
|
625
|
$cfg .= "setenv KEY_EMAIL " .$ciphers['keyemail'] . "\n";
|
|
626
|
file_put_contents("$ovpncapath/$caname/vars", $cfg);
|
|
627
|
/* put ciphers back in their files */
|
|
628
|
foreach ($ciphers as $filename => $value) {
|
|
629
|
file_put_contents("$ovpncapath/$caname/$filename", $value);
|
|
630
|
}
|
|
631
|
}
|
|
632
|
}
|
|
633
|
}
|
|
634
|
}
|
|
635
|
|
|
636
|
// Resync the configuration and restart the VPN
|
|
637
|
function openvpn_resync($mode, $id) {
|
|
638
|
openvpn_reconfigure($mode, $id);
|
|
639
|
openvpn_restart($mode, $id);
|
|
640
|
}
|
|
641
|
|
|
642
|
function openvpn_create_cscdir() {
|
|
643
|
global $g;
|
|
644
|
|
|
645
|
$csc_dir = "{$g['varetc_path']}/openvpn_csc";
|
|
646
|
if (is_dir($csc_dir))
|
|
647
|
rmdir_recursive($csc_dir);
|
|
648
|
make_dirs($csc_dir);
|
|
649
|
chown($csc_dir, 'nobody');
|
|
650
|
chgrp($csc_dir, 'nobody');
|
|
651
|
}
|
|
652
|
|
|
653
|
// Resync and restart all VPNs
|
|
654
|
function openvpn_resync_all() {
|
|
655
|
global $config;
|
|
656
|
$ovpncapath = $g['varetc_path']."/openvpn/certificates";
|
|
657
|
|
|
658
|
openvpn_restore_all_ciphers();
|
|
659
|
|
|
660
|
foreach (array('server', 'client') as $mode) {
|
|
661
|
if ($config['installedpackages']["openvpn$mode"]) {
|
|
662
|
if (is_array($config['installedpackages']["openvpn$mode"]['config'])) {
|
|
663
|
foreach ($config['installedpackages']["openvpn$mode"]['config'] as $id => $settings)
|
|
664
|
openvpn_resync($mode, $id);
|
|
665
|
}
|
|
666
|
}
|
|
667
|
}
|
|
668
|
|
|
669
|
openvpn_create_cscdir();
|
|
670
|
if ($config['installedpackages']['openvpncsc']) {
|
|
671
|
if (is_array($config['installedpackages']['openvpncsc']['config'])) {
|
|
672
|
foreach ($config['installedpackages']['openvpncsc']['config'] as $id => $csc)
|
|
673
|
openvpn_resync_csc($id);
|
|
674
|
}
|
|
675
|
}
|
|
676
|
|
|
677
|
/* give speedy machines time to settle */
|
|
678
|
sleep(5);
|
|
679
|
|
|
680
|
/* reload the filter policy */
|
|
681
|
filter_configure();
|
|
682
|
|
|
683
|
}
|
|
684
|
|
|
685
|
function openvpn_print_javascript($mode) {
|
|
686
|
$javascript = <<<EOD
|
|
687
|
<script language="JavaScript">
|
|
688
|
<!--
|
|
689
|
function onAuthMethodChanged() {
|
|
690
|
var method = document.iform.auth_method;
|
|
691
|
var endis = (method.options[method.selectedIndex].value == 'shared_key');
|
|
692
|
|
|
693
|
document.iform.shared.key.disabled = !endis;
|
|
694
|
document.iform.ca.crt.disabled = endis;
|
|
695
|
document.iform.{$mode}.crt.disabled = endis;
|
|
696
|
document.iform.{$mode}.key.disabled = endis;
|
|
697
|
document.iform.tls.disabled = endis;
|
|
698
|
|
|
699
|
EOD;
|
|
700
|
if ($mode == 'server') {
|
|
701
|
$javascript .= <<<EOD
|
|
702
|
document.iform.nopool.disabled = endis;
|
|
703
|
document.iform.local_network.disabled = endis;
|
|
704
|
document.iform.client2client.disabled = endis;
|
|
705
|
document.iform.maxclients.disabled = endis;
|
|
706
|
|
|
707
|
EOD;
|
|
708
|
}
|
|
709
|
|
|
710
|
else { // Client mode
|
|
711
|
$javascript .= "\tdocument.iform.remote_network.disabled = !endis;\n";
|
|
712
|
}
|
|
713
|
|
|
714
|
$javascript .= <<<EOD
|
|
715
|
}
|
|
716
|
//-->
|
|
717
|
</script>
|
|
718
|
|
|
719
|
EOD;
|
|
720
|
print($javascript);
|
|
721
|
}
|
|
722
|
|
|
723
|
|
|
724
|
function openvpn_print_javascript2() {
|
|
725
|
$javascript = <<<EOD
|
|
726
|
<script language="JavaScript">
|
|
727
|
<!--
|
|
728
|
onAuthMethodChanged();
|
|
729
|
//-->
|
|
730
|
</script>
|
|
731
|
|
|
732
|
EOD;
|
|
733
|
print($javascript);
|
|
734
|
}
|
|
735
|
?>
|