|
1
|
<?php
|
|
2
|
/*
|
|
3
|
ipsec.inc
|
|
4
|
Copyright (C) 2007 Scott Ullrich
|
|
5
|
Copyright (C) 2008 Shrew Soft Inc
|
|
6
|
All rights reserved.
|
|
7
|
|
|
8
|
Parts of this code was originally based on vpn_ipsec_sad.php
|
|
9
|
Copyright (C) 2003-2004 Manuel Kasper
|
|
10
|
|
|
11
|
Redistribution and use in source and binary forms, with or without
|
|
12
|
modification, are permitted provided that the following conditions are met:
|
|
13
|
|
|
14
|
1. Redistributions of source code must retain the above copyright notice,
|
|
15
|
this list of conditions and the following disclaimer.
|
|
16
|
|
|
17
|
2. Redistributions in binary form must reproduce the above copyright
|
|
18
|
notice, this list of conditions and the following disclaimer in the
|
|
19
|
documentation and/or other materials provided with the distribution.
|
|
20
|
|
|
21
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
22
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
23
|
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
24
|
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
|
25
|
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
26
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
27
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
28
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
29
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
30
|
POSSIBILITY OF SUCH DAMAGE.
|
|
31
|
|
|
32
|
pfSense_BUILDER_BINARIES: /sbin/setkey
|
|
33
|
pfSense_MODULE: ipsec
|
|
34
|
|
|
35
|
*/
|
|
36
|
|
|
37
|
/* IPsec defines */
|
|
38
|
$ipsec_loglevels = array("dmn" => "Daemon", "mgr" => "SA Manager", "ike" => "IKE SA", "chd" => "IKE Child SA",
|
|
39
|
"job" => "Job Processing", "cfg" => "Configuration backend", "knl" => "Kernel Interface",
|
|
40
|
"net" => "Networking", "asn" => "ASN encoding", "enc" => "Message encoding",
|
|
41
|
"imc" => "Integrity checker", "imv" => "Integrity Verifier", "pts" => "Platform Trust Service",
|
|
42
|
"tls" => "TLS handler", "app" => "Not daemon", "esp" => "IPSec traffic", "lib" => "StrongSWAN Lib");
|
|
43
|
|
|
44
|
$my_identifier_list = array(
|
|
45
|
'myaddress' => array( 'desc' => gettext('My IP address'), 'mobile' => true ),
|
|
46
|
'address' => array( 'desc' => gettext('IP address'), 'mobile' => true ),
|
|
47
|
'fqdn' => array( 'desc' => gettext('Distinguished name'), 'mobile' => true ),
|
|
48
|
'user_fqdn' => array( 'desc' => gettext('User distinguished name'), 'mobile' => true ),
|
|
49
|
'asn1dn' => array( 'desc' => gettext('ASN.1 distinguished Name'), 'mobile' => true ),
|
|
50
|
'keyid tag' => array( 'desc' => gettext('KeyID tag'), 'mobile' => true ),
|
|
51
|
'dyn_dns' => array( 'desc' => gettext('Dynamic DNS'), 'mobile' => true ));
|
|
52
|
|
|
53
|
$peer_identifier_list = array(
|
|
54
|
'peeraddress' => array( 'desc' => gettext('Peer IP address'), 'mobile' => false ),
|
|
55
|
'address' => array( 'desc' => gettext('IP address'), 'mobile' => false ),
|
|
56
|
'fqdn' => array( 'desc' => gettext('Distinguished name'), 'mobile' => true ),
|
|
57
|
'user_fqdn' => array( 'desc' => gettext('User distinguished name'), 'mobile' => true ),
|
|
58
|
'asn1dn' => array( 'desc' => gettext('ASN.1 distinguished Name'), 'mobile' => true ),
|
|
59
|
'keyid tag' => array( 'desc' =>gettext('KeyID tag'), 'mobile' => true ));
|
|
60
|
|
|
61
|
$p1_ealgos = array(
|
|
62
|
'aes' => array( 'name' => 'AES', 'keysel' => array( 'lo' => 128, 'hi' => 256, 'step' => 64 ) ),
|
|
63
|
'aes128gcm' => array( 'name' => 'AES128-GCM', 'keysel' => array( 'lo' => 64, 'hi' => 128, 'step' => 32 ) ),
|
|
64
|
'aes192gcm' => array( 'name' => 'AES192-GCM', 'keysel' => array( 'lo' => 64, 'hi' => 128, 'step' => 32 ) ),
|
|
65
|
'aes256gcm' => array( 'name' => 'AES256-GCM', 'keysel' => array( 'lo' => 64, 'hi' => 128, 'step' => 32 ) ),
|
|
66
|
'blowfish' => array( 'name' => 'Blowfish', 'keysel' => array( 'lo' => 128, 'hi' => 256, 'step' => 64 ) ),
|
|
67
|
'3des' => array( 'name' => '3DES' ),
|
|
68
|
'cast128' => array( 'name' => 'CAST128' ),
|
|
69
|
'des' => array( 'name' => 'DES' ));
|
|
70
|
|
|
71
|
$p2_ealgos = array(
|
|
72
|
'aes' => array( 'name' => 'AES', 'keysel' => array( 'lo' => 128, 'hi' => 256, 'step' => 64 ) ),
|
|
73
|
'aes128gcm' => array( 'name' => 'AES128-GCM', 'keysel' => array( 'lo' => 64, 'hi' => 128, 'step' => 32 ) ),
|
|
74
|
'aes192gcm' => array( 'name' => 'AES192-GCM', 'keysel' => array( 'lo' => 64, 'hi' => 128, 'step' => 32 ) ),
|
|
75
|
'aes256gcm' => array( 'name' => 'AES256-GCM', 'keysel' => array( 'lo' => 64, 'hi' => 128, 'step' => 32 ) ),
|
|
76
|
'blowfish' => array( 'name' => 'Blowfish', 'keysel' => array( 'lo' => 128, 'hi' => 256, 'step' => 64 ) ),
|
|
77
|
'3des' => array( 'name' => '3DES' ),
|
|
78
|
'cast128' => array( 'name' => 'CAST128' ),
|
|
79
|
'des' => array( 'name' => 'DES' ));
|
|
80
|
|
|
81
|
$p1_halgos = array(
|
|
82
|
'md5' => 'MD5',
|
|
83
|
'sha1' => 'SHA1',
|
|
84
|
'sha256' => 'SHA256',
|
|
85
|
'sha384' => 'SHA384',
|
|
86
|
'sha512' => 'SHA512',
|
|
87
|
'aesxcbc' => 'AES-XCBC'
|
|
88
|
);
|
|
89
|
|
|
90
|
$p1_dhgroups = array(
|
|
91
|
1 => '1 (768 bit)',
|
|
92
|
2 => '2 (1024 bit)',
|
|
93
|
5 => '5 (1536 bit)',
|
|
94
|
14 => '14 (2048 bit)',
|
|
95
|
15 => '15 (3072 bit)',
|
|
96
|
16 => '16 (4096 bit)',
|
|
97
|
17 => '17 (6144 bit)',
|
|
98
|
18 => '18 (8192 bit)',
|
|
99
|
22 => '22 (1024(sub 160) bit)',
|
|
100
|
23 => '23 (2048(sub 224) bit)',
|
|
101
|
24 => '24 (2048(sub 256) bit)'
|
|
102
|
);
|
|
103
|
|
|
104
|
$p2_halgos = array(
|
|
105
|
'hmac_md5' => 'MD5',
|
|
106
|
'hmac_sha1' => 'SHA1',
|
|
107
|
'hmac_sha256' => 'SHA256',
|
|
108
|
'hmac_sha384' => 'SHA384',
|
|
109
|
'hmac_sha512' => 'SHA512',
|
|
110
|
'aesxcbc' => 'AES-XCBC'
|
|
111
|
);
|
|
112
|
|
|
113
|
$p1_authentication_methods = array(
|
|
114
|
'hybrid_rsa_server' => array( 'name' => 'Hybrid RSA + Xauth', 'mobile' => true ),
|
|
115
|
'xauth_rsa_server' => array( 'name' => 'Mutual RSA + Xauth', 'mobile' => true ),
|
|
116
|
'xauth_psk_server' => array( 'name' => 'Mutual PSK + Xauth', 'mobile' => true ),
|
|
117
|
'rsasig' => array( 'name' => 'Mutual RSA', 'mobile' => false ),
|
|
118
|
'pre_shared_key' => array( 'name' => 'Mutual PSK', 'mobile' => false ) );
|
|
119
|
|
|
120
|
$p2_modes = array(
|
|
121
|
'tunnel' => 'Tunnel IPv4',
|
|
122
|
'tunnel6' => 'Tunnel IPv6',
|
|
123
|
'transport' => 'Transport');
|
|
124
|
|
|
125
|
$p2_protos = array(
|
|
126
|
'esp' => 'ESP',
|
|
127
|
'ah' => 'AH');
|
|
128
|
|
|
129
|
$p2_pfskeygroups = array(
|
|
130
|
0 => 'off',
|
|
131
|
1 => '1 (768 bit)',
|
|
132
|
2 => '2 (1024 bit)',
|
|
133
|
5 => '5 (1536 bit)',
|
|
134
|
14 => '14 (2048 bit)',
|
|
135
|
15 => '15 (3072 bit)',
|
|
136
|
16 => '16 (4096 bit)',
|
|
137
|
17 => '17 (6144 bit)',
|
|
138
|
18 => '18 (8192 bit)'
|
|
139
|
);
|
|
140
|
|
|
141
|
/*
|
|
142
|
* ikeid management functions
|
|
143
|
*/
|
|
144
|
|
|
145
|
function ipsec_ikeid_used($ikeid) {
|
|
146
|
global $config;
|
|
147
|
|
|
148
|
foreach ($config['ipsec']['phase1'] as $ph1ent)
|
|
149
|
if( $ikeid == $ph1ent['ikeid'] )
|
|
150
|
return true;
|
|
151
|
|
|
152
|
return false;
|
|
153
|
}
|
|
154
|
|
|
155
|
function ipsec_ikeid_next() {
|
|
156
|
|
|
157
|
$ikeid = 1;
|
|
158
|
while(ipsec_ikeid_used($ikeid))
|
|
159
|
$ikeid++;
|
|
160
|
|
|
161
|
return $ikeid;
|
|
162
|
}
|
|
163
|
|
|
164
|
/*
|
|
165
|
* Return phase1 local address
|
|
166
|
*/
|
|
167
|
function ipsec_get_phase1_src(& $ph1ent) {
|
|
168
|
|
|
169
|
if ($ph1ent['interface']) {
|
|
170
|
if (!is_ipaddr($ph1ent['interface'])) {
|
|
171
|
if ($ph1ent['protocol'] == "inet6") {
|
|
172
|
$if = get_failover_interface($ph1ent['interface'], "inet6");
|
|
173
|
$interfaceip = get_interface_ipv6($if);
|
|
174
|
} else {
|
|
175
|
$if = get_failover_interface($ph1ent['interface']);
|
|
176
|
$interfaceip = get_interface_ip($if);
|
|
177
|
}
|
|
178
|
} else {
|
|
179
|
$interfaceip=$ph1ent['interface'];
|
|
180
|
}
|
|
181
|
} else {
|
|
182
|
$if = "wan";
|
|
183
|
if ($ph1ent['protocol'] == "inet6")
|
|
184
|
$interfaceip = get_interface_ipv6($if);
|
|
185
|
else
|
|
186
|
$interfaceip = get_interface_ip($if);
|
|
187
|
}
|
|
188
|
|
|
189
|
return $interfaceip;
|
|
190
|
}
|
|
191
|
|
|
192
|
/*
|
|
193
|
* Return phase1 local address
|
|
194
|
*/
|
|
195
|
function ipsec_get_phase1_dst(& $ph1ent) {
|
|
196
|
global $g;
|
|
197
|
|
|
198
|
if (empty($ph1ent['remote-gateway']))
|
|
199
|
return false;
|
|
200
|
$rg = $ph1ent['remote-gateway'];
|
|
201
|
if (!is_ipaddr($rg)) {
|
|
202
|
if(! $g['booting'])
|
|
203
|
return resolve_retry($rg);
|
|
204
|
}
|
|
205
|
if(!is_ipaddr($rg))
|
|
206
|
return false;
|
|
207
|
|
|
208
|
return $rg;
|
|
209
|
}
|
|
210
|
|
|
211
|
/*
|
|
212
|
* Return phase2 idinfo in cidr format
|
|
213
|
*/
|
|
214
|
function ipsec_idinfo_to_cidr(& $idinfo, $addrbits = false, $mode = "") {
|
|
215
|
global $config;
|
|
216
|
|
|
217
|
switch ($idinfo['type']) {
|
|
218
|
case "address":
|
|
219
|
if ($addrbits) {
|
|
220
|
if ($mode == "tunnel6")
|
|
221
|
return $idinfo['address']."/128";
|
|
222
|
else
|
|
223
|
return $idinfo['address']."/32";
|
|
224
|
} else
|
|
225
|
return $idinfo['address'];
|
|
226
|
break; /* NOTREACHED */
|
|
227
|
case "network":
|
|
228
|
return "{$idinfo['address']}/{$idinfo['netbits']}";
|
|
229
|
break; /* NOTREACHED */
|
|
230
|
case "none":
|
|
231
|
case "mobile":
|
|
232
|
return "0.0.0.0/0";
|
|
233
|
break; /* NOTREACHED */
|
|
234
|
default:
|
|
235
|
if (empty($mode) && !empty($idinfo['mode']))
|
|
236
|
$mode = $idinfo['mode'];
|
|
237
|
|
|
238
|
if ($mode == "tunnel6") {
|
|
239
|
$address = get_interface_ipv6($idinfo['type']);
|
|
240
|
$netbits = get_interface_subnetv6($idinfo['type']);
|
|
241
|
$address = gen_subnetv6($address,$netbits);
|
|
242
|
return "{$address}/{$netbits}";
|
|
243
|
} else {
|
|
244
|
$address = get_interface_ip($idinfo['type']);
|
|
245
|
$netbits = get_interface_subnet($idinfo['type']);
|
|
246
|
$address = gen_subnet($address,$netbits);
|
|
247
|
return "{$address}/{$netbits}";
|
|
248
|
}
|
|
249
|
break; /* NOTREACHED */
|
|
250
|
}
|
|
251
|
}
|
|
252
|
|
|
253
|
/*
|
|
254
|
* Return phase2 idinfo in address/netmask format
|
|
255
|
*/
|
|
256
|
function ipsec_idinfo_to_subnet(& $idinfo,$addrbits = false) {
|
|
257
|
global $config;
|
|
258
|
|
|
259
|
switch ($idinfo['type']) {
|
|
260
|
case "address":
|
|
261
|
if ($addrbits) {
|
|
262
|
if ($idinfo['mode'] == "tunnel6")
|
|
263
|
return $idinfo['address']."/128";
|
|
264
|
else
|
|
265
|
return $idinfo['address']."/255.255.255.255";
|
|
266
|
} else
|
|
267
|
return $idinfo['address'];
|
|
268
|
break; /* NOTREACHED */
|
|
269
|
case "none":
|
|
270
|
case "network":
|
|
271
|
return $idinfo['address']."/".gen_subnet_mask($idinfo['netbits']);
|
|
272
|
break; /* NOTREACHED */
|
|
273
|
case "mobile":
|
|
274
|
return "0.0.0.0/0";
|
|
275
|
break; /* NOTREACHED */
|
|
276
|
default:
|
|
277
|
if ($idinfo['mode'] == "tunnel6") {
|
|
278
|
$address = get_interface_ipv6($idinfo['type']);
|
|
279
|
$netbits = get_interface_subnetv6($idinfo['type']);
|
|
280
|
$address = gen_subnetv6($address,$netbits);
|
|
281
|
return $address."/".$netbits;
|
|
282
|
} else {
|
|
283
|
$address = get_interface_ip($idinfo['type']);
|
|
284
|
$netbits = get_interface_subnet($idinfo['type']);
|
|
285
|
$address = gen_subnet($address,$netbits);
|
|
286
|
return $address."/".$netbits;
|
|
287
|
}
|
|
288
|
break; /* NOTREACHED */
|
|
289
|
}
|
|
290
|
}
|
|
291
|
|
|
292
|
/*
|
|
293
|
* Return phase2 idinfo in text format
|
|
294
|
*/
|
|
295
|
function ipsec_idinfo_to_text(& $idinfo) {
|
|
296
|
global $config;
|
|
297
|
|
|
298
|
switch ($idinfo['type']) {
|
|
299
|
case "address":
|
|
300
|
return $idinfo['address'];
|
|
301
|
break; /* NOTREACHED */
|
|
302
|
case "network":
|
|
303
|
return $idinfo['address']."/".$idinfo['netbits'];
|
|
304
|
break; /* NOTREACHED */
|
|
305
|
case "mobile":
|
|
306
|
return gettext("Mobile Client");
|
|
307
|
break; /* NOTREACHED */
|
|
308
|
case "none":
|
|
309
|
return gettext("None");
|
|
310
|
break; /* NOTREACHED */
|
|
311
|
default:
|
|
312
|
if (!empty($config['interfaces'][$idinfo['type']]))
|
|
313
|
return convert_friendly_interface_to_friendly_descr($idinfo['type']);
|
|
314
|
else
|
|
315
|
return strtoupper($idinfo['type']);
|
|
316
|
break; /* NOTREACHED */
|
|
317
|
}
|
|
318
|
}
|
|
319
|
|
|
320
|
/*
|
|
321
|
* Return phase1 association for phase2
|
|
322
|
*/
|
|
323
|
function ipsec_lookup_phase1(& $ph2ent,& $ph1ent) {
|
|
324
|
global $config;
|
|
325
|
|
|
326
|
if (!is_array($config['ipsec']))
|
|
327
|
return false;
|
|
328
|
if (!is_array($config['ipsec']['phase1']))
|
|
329
|
return false;
|
|
330
|
if (empty($config['ipsec']['phase1']))
|
|
331
|
return false;
|
|
332
|
|
|
333
|
foreach ($config['ipsec']['phase1'] as $ph1tmp) {
|
|
334
|
if ($ph1tmp['ikeid'] == $ph2ent['ikeid']) {
|
|
335
|
$ph1ent = $ph1tmp;
|
|
336
|
return $ph1ent;
|
|
337
|
}
|
|
338
|
}
|
|
339
|
|
|
340
|
return false;
|
|
341
|
}
|
|
342
|
|
|
343
|
/*
|
|
344
|
* Check phase1 communications status
|
|
345
|
*/
|
|
346
|
function ipsec_phase1_status($ipsec_status, $ikeid) {
|
|
347
|
|
|
348
|
foreach ($ipsec_status as $ike) {
|
|
349
|
if ($ike['id'] != $ikeid)
|
|
350
|
continue;
|
|
351
|
if ($ike['status'] == 'established')
|
|
352
|
return true;
|
|
353
|
break;
|
|
354
|
}
|
|
355
|
|
|
356
|
return false;
|
|
357
|
}
|
|
358
|
|
|
359
|
/*
|
|
360
|
* Check phase2 communications status
|
|
361
|
*/
|
|
362
|
function ipsec_phase2_status($ipsec_status, &$phase2) {
|
|
363
|
|
|
364
|
if (ipsec_lookup_phase1($ph2ent,$ph1ent))
|
|
365
|
return ipsec_phase1_status($ipsec_status, $ph1ent['ikeid']);
|
|
366
|
|
|
367
|
return false;
|
|
368
|
}
|
|
369
|
|
|
370
|
/*
|
|
371
|
* Return ISAKMP SA details
|
|
372
|
*/
|
|
373
|
function ipsec_lookup_isakmp_sa($in_srcip,$in_dstip) {
|
|
374
|
/* TODO : use racconctl to lookup iskamp SA */
|
|
375
|
return NULL;
|
|
376
|
}
|
|
377
|
|
|
378
|
/*
|
|
379
|
* Return IPsec SA details
|
|
380
|
*/
|
|
381
|
function ipsec_lookup_ipsec_sa(& $spd,& $sad,$dir,$in_srcip,$in_dstip,$in_srcid,$in_dstid) {
|
|
382
|
|
|
383
|
/* match the phase1/2 to an SP */
|
|
384
|
$in_srcip = ipsec_fixup_ip($in_srcip);
|
|
385
|
$in_dstip = ipsec_fixup_ip($in_dstip);
|
|
386
|
$in_srcid = ipsec_fixup_ip($in_srcid);
|
|
387
|
$in_dstid = ipsec_fixup_ip($in_dstid);
|
|
388
|
|
|
389
|
foreach($spd as $sp) {
|
|
390
|
|
|
391
|
/* match direction */
|
|
392
|
|
|
393
|
if($dir != $sp['dir'])
|
|
394
|
continue;
|
|
395
|
|
|
396
|
/* match IPs */
|
|
397
|
|
|
398
|
if($in_srcip != ipsec_fixup_ip($sp['src']))
|
|
399
|
continue;
|
|
400
|
if($in_dstip != ipsec_fixup_ip($sp['dst']))
|
|
401
|
continue;
|
|
402
|
|
|
403
|
/* add netbits for address IDs */
|
|
404
|
|
|
405
|
$sp_srcid = $sp['srcid'];
|
|
406
|
$sp_dstid = $sp['dstid'];
|
|
407
|
|
|
408
|
if (!strstr($sp_srcid,"/")) {
|
|
409
|
if (is_ipaddrv4($sp_srcid))
|
|
410
|
$sp_srcid .= '/32';
|
|
411
|
elseif (is_ipaddrv6($sp_srcid))
|
|
412
|
$sp_srcid .= '/128';
|
|
413
|
}
|
|
414
|
if (!strstr($sp_dstid,"/")) {
|
|
415
|
if (is_ipaddrv4($sp_dstid))
|
|
416
|
$sp_dstid .= '/32';
|
|
417
|
elseif (is_ipaddrv6($sp_dstid))
|
|
418
|
$sp_dstid .= '/128';
|
|
419
|
}
|
|
420
|
|
|
421
|
/* match IDs */
|
|
422
|
|
|
423
|
if($in_srcid != ipsec_fixup_ip($sp_srcid))
|
|
424
|
continue;
|
|
425
|
if($in_dstid != ipsec_fixup_ip($sp_dstid))
|
|
426
|
continue;
|
|
427
|
|
|
428
|
/* match the SP to a unique SA by reqid */
|
|
429
|
|
|
430
|
foreach($sad as $sa) {
|
|
431
|
|
|
432
|
/* match REQIDs */
|
|
433
|
|
|
434
|
if($sa[reqid] != $sp[reqid])
|
|
435
|
continue;
|
|
436
|
|
|
437
|
/* sanitize for NAT-T ports */
|
|
438
|
|
|
439
|
$sa_srcip = $sa['src'];
|
|
440
|
$sa_dstip = $sa['dst'];
|
|
441
|
|
|
442
|
if (strstr($sa_srcip,"["))
|
|
443
|
$sa_srcip = substr($sa_srcip,0,strcspn($sa_srcip,"["));
|
|
444
|
if (strstr($sa_dstip,"["))
|
|
445
|
$sa_dstip = substr($sa_dstip,0,strcspn($sa_dstip,"["));
|
|
446
|
|
|
447
|
/* match IPs */
|
|
448
|
|
|
449
|
if($in_srcip != ipsec_fixup_ip($sa_srcip))
|
|
450
|
continue;
|
|
451
|
if($in_dstip != ipsec_fixup_ip($sa_dstip))
|
|
452
|
continue;
|
|
453
|
|
|
454
|
return $sa;
|
|
455
|
}
|
|
456
|
}
|
|
457
|
|
|
458
|
return NULL;
|
|
459
|
}
|
|
460
|
|
|
461
|
function ipsec_smp_dump_status() {
|
|
462
|
global $config, $g, $custom_listtags;
|
|
463
|
|
|
464
|
if (!file_exists("{$g['varrun_path']}/charon.xml")) {
|
|
465
|
log_error("IPSec daemon seems to have issues or not running!");
|
|
466
|
return;
|
|
467
|
}
|
|
468
|
|
|
469
|
$fd = @fsockopen("unix://{$g['varrun_path']}/charon.xml");
|
|
470
|
if (!$fd) {
|
|
471
|
log_error("Could not read status from ipsec");
|
|
472
|
return;
|
|
473
|
}
|
|
474
|
$query = '<?xml version="1.0"?><message xmlns="http://www.strongswan.org/smp/1.0" type="request" id="1">';
|
|
475
|
$query .= '<query><ikesalist/></query></message>';
|
|
476
|
|
|
477
|
@fwrite($fd, $query);
|
|
478
|
$response = "";
|
|
479
|
while (!strstr($sread, "</message>")) {
|
|
480
|
$sread = fgets($fd);
|
|
481
|
$response .= $sread;
|
|
482
|
}
|
|
483
|
fclose($fd);
|
|
484
|
|
|
485
|
@file_put_contents("{$g['tmp_path']}/smp_status.xml", $response);
|
|
486
|
unset($response, $sread);
|
|
487
|
|
|
488
|
$custom_listtags = array('ikesa', 'childsa', 'network', 'auth');
|
|
489
|
$response = parse_xml_config("{$g['tmp_path']}/smp_status.xml", "message");
|
|
490
|
@unlink("{$g['tmp_path']}/smp_status.xml");
|
|
491
|
unset($custom_listtags);
|
|
492
|
|
|
493
|
return $response;
|
|
494
|
}
|
|
495
|
|
|
496
|
/*
|
|
497
|
* Return dump of SPD table
|
|
498
|
*/
|
|
499
|
function ipsec_dump_spd()
|
|
500
|
{
|
|
501
|
$fd = @popen("/sbin/setkey -DP", "r");
|
|
502
|
$spd = array();
|
|
503
|
if ($fd) {
|
|
504
|
while (!feof($fd)) {
|
|
505
|
$line = chop(fgets($fd));
|
|
506
|
if (!$line)
|
|
507
|
continue;
|
|
508
|
if ($line == "No SPD entries.")
|
|
509
|
break;
|
|
510
|
if ($line[0] != "\t") {
|
|
511
|
if (is_array($cursp))
|
|
512
|
$spd[] = $cursp;
|
|
513
|
$cursp = array();
|
|
514
|
$linea = explode(" ", $line);
|
|
515
|
$cursp['srcid'] = substr($linea[0], 0, strpos($linea[0], "["));
|
|
516
|
$cursp['dstid'] = substr($linea[1], 0, strpos($linea[1], "["));
|
|
517
|
$i = 0;
|
|
518
|
} else if (is_array($cursp)) {
|
|
519
|
$linea = explode(" ", trim($line));
|
|
520
|
switch($i)
|
|
521
|
{
|
|
522
|
case 1:
|
|
523
|
if ($linea[1] == "none") /* don't show default anti-lockout rule */
|
|
524
|
unset($cursp);
|
|
525
|
else
|
|
526
|
$cursp['dir'] = $linea[0];
|
|
527
|
break;
|
|
528
|
case 2:
|
|
529
|
$upperspec = explode("/", $linea[0]);
|
|
530
|
$cursp['proto'] = $upperspec[0];
|
|
531
|
list($cursp['src'], $cursp['dst']) = explode("-", $upperspec[2]);
|
|
532
|
$cursp['reqid'] = substr($upperspec[3], strpos($upperspec[3], "#")+1);
|
|
533
|
break;
|
|
534
|
}
|
|
535
|
}
|
|
536
|
$i++;
|
|
537
|
}
|
|
538
|
if (is_array($cursp) && count($cursp))
|
|
539
|
$spd[] = $cursp;
|
|
540
|
pclose($fd);
|
|
541
|
}
|
|
542
|
|
|
543
|
return $spd;
|
|
544
|
}
|
|
545
|
|
|
546
|
/*
|
|
547
|
* Return dump of SAD table
|
|
548
|
*/
|
|
549
|
function ipsec_dump_sad()
|
|
550
|
{
|
|
551
|
$fd = @popen("/sbin/setkey -D", "r");
|
|
552
|
$sad = array();
|
|
553
|
if ($fd) {
|
|
554
|
while (!feof($fd)) {
|
|
555
|
$line = chop(fgets($fd));
|
|
556
|
if (!$line || $line[0] == " ")
|
|
557
|
continue;
|
|
558
|
if ($line == "No SAD entries.")
|
|
559
|
break;
|
|
560
|
if ($line[0] != "\t")
|
|
561
|
{
|
|
562
|
if (is_array($cursa))
|
|
563
|
$sad[] = $cursa;
|
|
564
|
$cursa = array();
|
|
565
|
list($cursa['src'],$cursa['dst']) = explode(" ", $line);
|
|
566
|
$i = 0;
|
|
567
|
}
|
|
568
|
else
|
|
569
|
{
|
|
570
|
$linea = explode(" ", trim($line));
|
|
571
|
switch ($i) {
|
|
572
|
case 1:
|
|
573
|
$cursa['proto'] = $linea[0];
|
|
574
|
$cursa['spi'] = substr($linea[2], strpos($linea[2], "x")+1, -1);
|
|
575
|
$reqid = substr($linea[3], strpos($linea[3], "=")+1);
|
|
576
|
$cursa['reqid'] = substr($reqid, 0, strcspn($reqid,"("));
|
|
577
|
break;
|
|
578
|
case 2:
|
|
579
|
$cursa['ealgo'] = $linea[1];
|
|
580
|
break;
|
|
581
|
case 3:
|
|
582
|
$cursa['aalgo'] = $linea[1];
|
|
583
|
break;
|
|
584
|
case 8:
|
|
585
|
$sadata = explode("(", $linea[1]);
|
|
586
|
$cursa['data'] = $sadata[0] . " B";
|
|
587
|
break;
|
|
588
|
}
|
|
589
|
}
|
|
590
|
$i++;
|
|
591
|
}
|
|
592
|
if (is_array($cursa) && count($cursa))
|
|
593
|
$sad[] = $cursa;
|
|
594
|
pclose($fd);
|
|
595
|
}
|
|
596
|
|
|
597
|
return $sad;
|
|
598
|
}
|
|
599
|
|
|
600
|
/*
|
|
601
|
* Return dump of mobile user list
|
|
602
|
*/
|
|
603
|
function ipsec_dump_mobile() {
|
|
604
|
global $g;
|
|
605
|
|
|
606
|
$_gb = exec("/usr/local/sbin/ipsec stroke leases > {$g['tmp_path']}/strongswan_leases.xml");
|
|
607
|
|
|
608
|
if (!file_exists("{$g['varrun_path']}/strongswan_leases.xml")) {
|
|
609
|
log_error(gettext("IPSec daemon seems to have issues or not running! Could not display mobile user stats!"));
|
|
610
|
return array();
|
|
611
|
}
|
|
612
|
|
|
613
|
$custom_listtags = array('lease', 'pool');
|
|
614
|
$response = parse_xml_config("{$g['tmp_path']}/strongswan_leases.xml", "leases");
|
|
615
|
@unlink("{$g['tmp_path']}/strongswan_leases.xml");
|
|
616
|
unset($custom_listtags, $_gb);
|
|
617
|
|
|
618
|
return $response;
|
|
619
|
}
|
|
620
|
|
|
621
|
function ipsec_mobilekey_sort() {
|
|
622
|
global $config;
|
|
623
|
|
|
624
|
function mobilekeycmp($a, $b) {
|
|
625
|
return strcmp($a['ident'][0], $b['ident'][0]);
|
|
626
|
}
|
|
627
|
|
|
628
|
usort($config['ipsec']['mobilekey'], "mobilekeycmp");
|
|
629
|
}
|
|
630
|
|
|
631
|
function ipsec_get_number_of_phase2($ikeid) {
|
|
632
|
global $config;
|
|
633
|
$a_phase2 = $config['ipsec']['phase2'];
|
|
634
|
|
|
635
|
$nbph2=0;
|
|
636
|
|
|
637
|
if (is_array($a_phase2) && count($a_phase2)) {
|
|
638
|
foreach ($a_phase2 as $ph2tmp) {
|
|
639
|
if ($ph2tmp['ikeid'] == $ikeid) {
|
|
640
|
$nbph2++;
|
|
641
|
}
|
|
642
|
}
|
|
643
|
}
|
|
644
|
|
|
645
|
return $nbph2;
|
|
646
|
}
|
|
647
|
|
|
648
|
function ipsec_get_descr($ikeid) {
|
|
649
|
global $config;
|
|
650
|
|
|
651
|
if (!isset($config['ipsec']['phase1']) ||
|
|
652
|
!is_array($config['ipsec']['phase1']))
|
|
653
|
return "";
|
|
654
|
|
|
655
|
$descr = '';
|
|
656
|
$a_phase1 = $config['ipsec']['phase1'];
|
|
657
|
foreach ($a_phase1 as $p1) {
|
|
658
|
if ($p1['ikeid'] == $ikeid) {
|
|
659
|
$descr = $p1['descr'];
|
|
660
|
break;
|
|
661
|
}
|
|
662
|
}
|
|
663
|
unset($a_phase1);
|
|
664
|
|
|
665
|
return $descr;
|
|
666
|
}
|
|
667
|
|
|
668
|
function ipsec_fixup_ip($ipaddr) {
|
|
669
|
if (is_ipaddrv6($ipaddr) || is_subnetv6($ipaddr))
|
|
670
|
return Net_IPv6::compress(Net_IPv6::uncompress($ipaddr));
|
|
671
|
else
|
|
672
|
return $ipaddr;
|
|
673
|
}
|
|
674
|
|
|
675
|
function ipsec_find_id(& $ph1ent, $side = "local", $rgmap = array()) {
|
|
676
|
if ($side == "local") {
|
|
677
|
$id_type = $ph1ent['myid_type'];
|
|
678
|
$id_data = $ph1ent['myid_data'];
|
|
679
|
|
|
680
|
$addr = ipsec_get_phase1_src($ph1ent);
|
|
681
|
if (!$addr)
|
|
682
|
return array();
|
|
683
|
} elseif ($side = "peer") {
|
|
684
|
$id_type = $ph1ent['peerid_type'];
|
|
685
|
$id_data = $ph1ent['peerid_data'];
|
|
686
|
|
|
687
|
if (isset($ph1ent['mobile']))
|
|
688
|
$addr = "%any";
|
|
689
|
else
|
|
690
|
$addr = $ph1ent['remote-gateway'];
|
|
691
|
} else {
|
|
692
|
return array();
|
|
693
|
}
|
|
694
|
|
|
695
|
|
|
696
|
$thisid_type = $id_type;
|
|
697
|
switch ($thisid_type) {
|
|
698
|
case "myaddress":
|
|
699
|
$thisid_type = "address";
|
|
700
|
$thisid_data = $addr;
|
|
701
|
break;
|
|
702
|
|
|
703
|
case "dyn_dns":
|
|
704
|
$thisid_type = "address";
|
|
705
|
$thisid_data = resolve_retry($id_data);
|
|
706
|
break;
|
|
707
|
|
|
708
|
case "peeraddress":
|
|
709
|
$thisid_type = "address";
|
|
710
|
$thisid_data = $rgmap[$ph1ent['remote-gateway']];
|
|
711
|
break;
|
|
712
|
|
|
713
|
case "address";
|
|
714
|
$thisid_data = $id_data;
|
|
715
|
break;
|
|
716
|
|
|
717
|
case "fqdn";
|
|
718
|
case "keyid tag";
|
|
719
|
case "user_fqdn";
|
|
720
|
case "asn1dn";
|
|
721
|
$thisid_data = $id_data;
|
|
722
|
if( $thisid_data )
|
|
723
|
$thisid_data = "{$thisid_data}";
|
|
724
|
break;
|
|
725
|
}
|
|
726
|
return array($thisid_type, $thisid_data);
|
|
727
|
}
|
|
728
|
|
|
729
|
function ipsec_fixup_network($network) {
|
|
730
|
if (substr($network, -3) == '|/0')
|
|
731
|
$result = substr($network, 0, -3);
|
|
732
|
else {
|
|
733
|
$tmp = explode('|', $network);
|
|
734
|
if (isset($tmp[1]))
|
|
735
|
$result = $tmp[1];
|
|
736
|
else
|
|
737
|
$result = $tmp[0];
|
|
738
|
unset($tmp);
|
|
739
|
}
|
|
740
|
|
|
741
|
return $result;
|
|
742
|
}
|
|
743
|
|
|
744
|
?>
|