summaryrefslogtreecommitdiffstats
path: root/etc/inc/radius.inc
blob: 36b304a96b3e3b57a711dedc10e7534635416b29 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
/*
    $Id$

    Copyright (c) 2003, Michael Bretterklieber <michael@bretterklieber.com>
    All rights reserved.

    Redistribution and use in source and binary forms, with or without 
    modification, are permitted provided that the following conditions 
    are met:

    1. Redistributions of source code must retain the above copyright 
       notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright 
       notice, this list of conditions and the following disclaimer in the 
       documentation and/or other materials provided with the distribution.
    3. The names of the authors may not be used to endorse or promote products 
       derived from this software without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
    IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
    BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 
    OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
    EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    This code cannot simply be copied and put under the GNU Public License or 
    any other GPL-like (LGPL, GPL2) License.

        This version of RADIUS.php has been modified by
        Jonathan De Graeve <m0n0wall@esstec.be> to integrate with M0n0wall <http://www.m0n0.ch/wall>

        Changes made include:
        * StandardAttributes for M0n0wall use
        * Removed internal Session-Id creation
        * Adding of ReplyMessage to getAttributes()
        * Adding of listAttributes()
        * Adding of VENDOR Bay Networks (Nortel)
        * Adding of VENDOR Nomadix
        * Adding of VENDOR WISPr (Wi-Fi Alliance)
        * Adding of VENDOR ChilliSpot (bandwidth-attributes only)

*/

/*
    pfSense_MODULE:    auth
*/

require_once("PEAR.inc");
require_once("radius_authentication.inc");
require_once("radius_accounting.inc");

/**
* Client implementation of RADIUS. This are wrapper classes for
* the RADIUS PECL
* Provides RADIUS Authentication (RFC2865) and RADIUS Accounting (RFC2866).
*
* @package Auth_RADIUS
* @author  Michael Bretterklieber <michael@bretterklieber.com>
* @access  public
* @version $Revision: 1.5 $
*/

PEAR::loadExtension('radius');

/**
 * class Auth_RADIUS
 *
 * Abstract base class for RADIUS
 *
 * @package Auth_RADIUS 
 */
class Auth_RADIUS extends PEAR {

    /**
     * List of RADIUS servers.
     * @var  array
     * @see  addServer(), putServer()
     */
    var $_servers  = array();

    /**
     * Path to the configuration-file.
     * @var  string
     * @see  setConfigFile()
     */
    var $_configfile = null;

    /**
     * Resource.
     * @var  resource
     * @see  open(), close()
     */
    var $res = null;

    /**
     * Username for authentication and accounting requests.
     * @var  string
     */
    var $username = null;

    /**
     * Password for plaintext-authentication (PAP).
     * @var  string
     */
    var $password = null;

    /**
     * List of known attributes.
     * @var  array
     * @see  dumpAttributes(), getAttributes()
     */
    var $attributes = array();

    /**
     * List of raw attributes.
     * @var  array
     * @see  dumpAttributes(), getAttributes()
     */
    var $rawAttributes = array();

    /**
     * List of raw vendor specific attributes.
     * @var  array
     * @see  dumpAttributes(), getAttributes()
     */
    var $rawVendorAttributes = array();

    /**
     * Constructor
     *
     * Loads the RADIUS PECL/extension
     *
     * @return void
     */
    function Auth_RADIUS() 
    {
        $this->PEAR();
    }

    /**
     * Adds a RADIUS server to the list of servers for requests.
     *
     * At most 10 servers may be specified.    When multiple servers 
     * are given, they are tried in round-robin fashion until a 
     * valid response is received
     *
     * @access public
     * @param  string  $servername   Servername or IP-Address
     * @param  integer $port         Portnumber
     * @param  string  $sharedSecret Shared secret
     * @param  integer $timeout      Timeout for each request
     * @param  integer $maxtries     Max. retries for each request
     * @return void
     */
    function addServer($servername = 'localhost', $port = 0, $sharedSecret = 'testing123', $timeout = 3, $maxtries = 2) 
    {
        $this->_servers[] = array($servername, $port, $sharedSecret, $timeout, $maxtries);
    }

    /**
     * Returns an error message, if an error occurred.
     *
     * @access public
     * @return string
     */
    function getError() 
    {
        return radius_strerror($this->res);
    }

    /**
     * Sets the configuration-file.
     *
     * @access public
     * @param  string  $file Path to the configuration file
     * @return void
     */
    function setConfigfile($file) 
    {
        $this->_configfile = $file;
    }

    /**
     * Puts an attribute.
     *
     * @access public
     * @param  integer $attrib       Attribute-number
     * @param  mixed   $port         Attribute-value
     * @param  type    $type         Attribute-type
     * @return bool  true on success, false on error
     */
    function putAttribute($attrib, $value, $type = null) 
    {
        if ($type == null) {
            $type = gettype($value);
        }

        switch ($type) {
        case 'integer':
            // Fix a conversion error so we should be able to handle 4GB values
            return radius_put_int($this->res, $attrib, (float)$value);

        case 'addr':
            return radius_put_addr($this->res, $attrib, $value);

        case 'string':
        default:
            return radius_put_attr($this->res, $attrib, $value);
        }

    }

    /**
     * Puts a vendor-specific attribute.
     *
     * @access public
     * @param  integer $vendor       Vendor (MSoft, Cisco, ...)
     * @param  integer $attrib       Attribute-number
     * @param  mixed   $port         Attribute-value
     * @param  type    $type         Attribute-type
     * @return bool  true on success, false on error
     */ 
    function putVendorAttribute($vendor, $attrib, $value, $type = null) 
    {

        if ($type == null) {
            $type = gettype($value);
        }

        switch ($type) {
        case 'integer':
            return radius_put_vendor_int($this->res, $vendor, $attrib, $value);

        case 'addr':
            return radius_put_vendor_addr($this->res, $vendor,$attrib, $value);

        case 'string':
        default:
            return radius_put_vendor_attr($this->res, $vendor, $attrib, $value);
        }

    }

    /**
     * Prints known attributes received from the server.
     *
     * @access public
     */
    function dumpAttributes()
    {
        foreach ($this->attributes as $name => $data) {
            echo "$name:$data<br />\n";
        }
    }

    /**
     * Return our know attributes array received from the server.
     *
     * @access public
     */
    function listAttributes()
    {
        return $this->attributes;
    }

    /**
     * Overwrite this. 
     *
     * @access public
     */
    function open() 
    {
    }

    /**
     * Overwrite this.
     *
     * @access public
     */
    function createRequest()
    {
    }

    /**
     * Puts standard attributes.
     *
     * These attributes will always be present in a radius request
     *
     * @access public
     */
    function putStandardAttributes()
    {
        global $config, $cpzone;

        if (!function_exists("getNasIp")) {
            $ipaddr = "0.0.0.0";
        } else {
            $ipaddr = getNasIP();
        }
        // Add support for sending NAS-IP-Address, set this explicitly as an ip_addr
        $this->putAttribute(RADIUS_NAS_IP_ADDRESS, $ipaddr, "addr");

        // Add support for sending NAS-Identifier
        if (empty($config["captiveportal"][$cpzone]["radiusnasid"])) {
            $nasId = php_uname("n");
        } else {
            $nasId = $config["captiveportal"][$cpzone]["radiusnasid"];
        }
        $this->putAttribute(RADIUS_NAS_IDENTIFIER, $nasId);
    }

    /**
     * Puts custom attributes.
     *
     * @access public
     */
    function putAuthAttributes()
    {
        if (isset($this->username)) {
            $this->putAttribute(RADIUS_USER_NAME, $this->username);
        }
    }

    /**
     * Configures the radius library.
     *
     * @access public
     * @param  string  $servername   Servername or IP-Address
     * @param  integer $port         Portnumber
     * @param  string  $sharedSecret Shared secret
     * @param  integer $timeout      Timeout for each request
     * @param  integer $maxtries     Max. retries for each request
     * @return bool  true on success, false on error
     * @see addServer()
     */
    function putServer($servername, $port = 0, $sharedsecret = 'testing123', $timeout = 3, $maxtries = 3) 
    {
        if (!radius_add_server($this->res, $servername, $port, $sharedsecret, $timeout, $maxtries)) {
            return false;
        }
        return true;
    }

    /**
     * Configures the radius library via external configurationfile
     *
     * @access public
     * @param  string  $servername   Servername or IP-Address
     * @return bool  true on success, false on error
     */
    function putConfigfile($file) 
    {
        if (!radius_config($this->res, $file)) {
            return false;
        }
        return true;
    }

    /**
     * Initiates a RADIUS request. 
     *
     * @access public
     * @return bool  true on success, false on errors     
     */ 
    function start()
    {
        if (!$this->open()) {
            return false;
        }

        foreach ($this->_servers as $s) {
            // Servername, port, sharedsecret, timeout, retries
            if (!$this->putServer($s[0], $s[1], $s[2], $s[3], $s[4])) {
                return false;
            }
        }

        if (!empty($this->_configfile)) {
            if (!$this->putConfigfile($this->_configfile)) {
                return false;
            }
        }

        $this->createRequest();
        $this->putStandardAttributes();
        $this->putAuthAttributes();
        return true;
    }

    /**
     * Sends a prepared RADIUS request and waits for a response
     *
     * @access public
     * @return mixed  true on success, false on reject, PEAR_Error on error
     */
    function send()
    {
        $req = radius_send_request($this->res);
        if (!$req) {
            return $this->raiseError(gettext('Error sending request:') . ' ' . $this->getError());
        }

        switch($req) {
        case RADIUS_ACCESS_ACCEPT:
            if (is_subclass_of($this, 'auth_radius_acct')) {
                return $this->raiseError(gettext('RADIUS_ACCESS_ACCEPT is unexpected for accounting'));
            }
            return true;

        case RADIUS_ACCESS_REJECT:
            return false;

        case RADIUS_ACCOUNTING_RESPONSE:
            if (is_subclass_of($this, 'auth_radius_pap')) {
                return $this->raiseError(gettext('RADIUS_ACCOUNTING_RESPONSE is unexpected for authentication'));
            }
            return true;

        default:
            return $this->raiseError(sprintf(gettext("Unexpected return value: %s"),$req));
        }

    }

    /**
     * Reads all received attributes after sending the request.
     *
     * This methos stores know attributes in the property attributes,
     * all attributes (including known attibutes) are stored in rawAttributes
     * or rawVendorAttributes.
     * NOTE: call this functio also even if the request was rejected, because the
     * Server returns usualy an errormessage
     *
     * @access public
     * @return bool   true on success, false on error
     */
    function getAttributes()
    {

        while ($attrib = radius_get_attr($this->res)) {

            if (!is_array($attrib)) {
                return false;
            }        

            $attr = $attrib['attr'];
            $data = $attrib['data'];

            $this->rawAttributes[$attr] = $data;

            switch ($attr) {
            case RADIUS_FRAMED_IP_ADDRESS:
                $this->attributes['framed_ip'] = radius_cvt_addr($data);
                break;

            case RADIUS_FRAMED_IP_NETMASK:
                $this->attributes['framed_mask'] = radius_cvt_addr($data);
                break;

            case RADIUS_FRAMED_MTU:
                $this->attributes['framed_mtu'] = radius_cvt_int($data);
                break;

            case RADIUS_FRAMED_COMPRESSION:
                $this->attributes['framed_compression'] = radius_cvt_int($data);
                break;

            case RADIUS_SESSION_TIMEOUT:
                $this->attributes['session_timeout'] = radius_cvt_int($data);
                break;

            case RADIUS_IDLE_TIMEOUT:
                $this->attributes['idle_timeout'] = radius_cvt_int($data);
                break;

            case RADIUS_SERVICE_TYPE:
                $this->attributes['service_type'] = radius_cvt_int($data);
                break;

            case RADIUS_CLASS:
                $this->attributes['class'] = radius_cvt_int($data);
                break;

            case RADIUS_FRAMED_PROTOCOL:
                $this->attributes['framed_protocol'] = radius_cvt_int($data);
                break;

            case RADIUS_FRAMED_ROUTING:
                $this->attributes['framed_routing'] = radius_cvt_int($data);
                break;

            case RADIUS_FILTER_ID:
                $this->attributes['filter_id'] = radius_cvt_string($data);
                break;

            case RADIUS_REPLY_MESSAGE:
                $this->attributes['reply_message'] = radius_cvt_string($data);
                break;

            case RADIUS_VENDOR_SPECIFIC:
                $attribv = radius_get_vendor_attr($data);
                if (!is_array($attribv)) {
                    return false;
                }

                $vendor = $attribv['vendor'];
                $attrv = $attribv['attr'];
                $datav = $attribv['data'];

                $this->rawVendorAttributes[$vendor][$attrv] = $datav;

                if ($vendor == RADIUS_VENDOR_MICROSOFT) {

                    switch ($attrv) {
                    case RADIUS_MICROSOFT_MS_CHAP2_SUCCESS:
                        $this->attributes['ms_chap2_success'] = radius_cvt_string($datav);
                        break;

                    case RADIUS_MICROSOFT_MS_CHAP_ERROR:
                        $this->attributes['ms_chap_error'] = radius_cvt_string(substr($datav,1));
                        break;

                    case RADIUS_MICROSOFT_MS_CHAP_DOMAIN:
                        $this->attributes['ms_chap_domain'] = radius_cvt_string($datav);
                        break;

                    case RADIUS_MICROSOFT_MS_MPPE_ENCRYPTION_POLICY:
                        $this->attributes['ms_mppe_encryption_policy'] = radius_cvt_int($datav);
                        break;

                    case RADIUS_MICROSOFT_MS_MPPE_ENCRYPTION_TYPES:
                        $this->attributes['ms_mppe_encryption_types'] = radius_cvt_int($datav);
                        break;

                    case RADIUS_MICROSOFT_MS_CHAP_MPPE_KEYS:
                        $demangled = radius_demangle($this->res, $datav);
                        $this->attributes['ms_chap_mppe_lm_key'] = substr($demangled, 0, 8);
                        $this->attributes['ms_chap_mppe_nt_key'] = substr($demangled, 8, RADIUS_MPPE_KEY_LEN);
                        break;

                    case RADIUS_MICROSOFT_MS_MPPE_SEND_KEY:
                        $this->attributes['ms_chap_mppe_send_key'] = radius_demangle_mppe_key($this->res, $datav);
                        break;

                    case RADIUS_MICROSOFT_MS_MPPE_RECV_KEY:
                        $this->attributes['ms_chap_mppe_recv_key'] = radius_demangle_mppe_key($this->res, $datav);
                        break;

                    case RADIUS_MICROSOFT_MS_PRIMARY_DNS_SERVER:
                        $this->attributes['ms_primary_dns_server'] = radius_cvt_string($datav);
                        break;
                    }
                }

                elseif ($vendor == 1584) {

                    switch ($attrv) {
                    case 102:
                        $this->attributes['ces_group'] = radius_cvt_string($datav);
                        break;
                    }
                }

                elseif ($vendor == 3309) {    /* RADIUS_VENDOR_NOMADIX */

                    switch ($attrv) {
                    case 1: /* RADIUS_NOMADIX_BW_UP */
                        $this->attributes['bw_up'] = radius_cvt_int($datav);
                        break;
                    case 2: /* RADIUS_NOMADIX_BW_DOWN */
                        $this->attributes['bw_down'] = radius_cvt_int($datav);
                        break;
                    case 3: /* RADIUS_NOMADIX_URL_REDIRECTION */
                        $this->attributes['url_redirection'] = radius_cvt_string($datav);
                        break;
                    case 5: /* RADIUS_NOMADIX_EXPIRATION */
                        $this->attributes['expiration'] = radius_cvt_string($datav);
                        break;
                    case 7: /* RADIUS_NOMADIX_MAXBYTESUP */
                        $this->attributes['maxbytesup'] = radius_cvt_int($datav);
                        break;
                    case 8: /* RADIUS_NOMADIX_MAXBYTESDOWN */
                        $this->attributes['maxbytesdown'] = radius_cvt_int($datav);
                        break;
                    case 10: /* RADIUS_NOMADIX_LOGOFF_URL */
                        $this->attributes['url_logoff'] = radius_cvt_string($datav);
                        break;
                    }
                } 

                elseif ($vendor == 14122) { /* RADIUS_VENDOR_WISPr Wi-Fi Alliance */

                    switch ($attrv) {
                    case 1: /* WISPr-Location-ID */
                        $this->attributes['location_id'] = radius_cvt_string($datav);
                        break;
                    case 2: /* WISPr-Location-Name */
                        $this->attributes['location_name'] = radius_cvt_string($datav);
                        break;
                    case 3: /* WISPr-Logoff-URL */
                        $this->attributes['url_logoff'] = radius_cvt_string($datav);
                        break;
                    case 4: /* WISPr-Redirection-URL */
                        $this->attributes['url_redirection'] = radius_cvt_string($datav);
                        break;
                    case 5: /* WISPr-Bandwidth-Min-Up */
                        $this->attributes['bw_up_min'] = radius_cvt_int($datav);
                        break;
                    case 6: /* WISPr-Bandwidth-Min-Down */
                        $this->attributes['bw_down_min'] = radius_cvt_int($datav);
                        break;
                    case 7: /* WISPr-Bandwidth-Max-Up */
                        $this->attributes['bw_up'] = radius_cvt_int($datav);
                        break;
                    case 8: /* WISPr-Bandwidth-Max-Down */
                        $this->attributes['bw_down'] = radius_cvt_int($datav);
                        break;
                    case 9: /* WISPr-Session-Terminate-Time */
                        $this->attributes['session_terminate_time'] = radius_cvt_string($datav);
                        break;
                    case 10: /* WISPr-Session-Terminate-End-Of-Day */
                        $this->attributes['session_terminate_endofday'] = radius_cvt_int($datav);
                        break;
                    case 11: /* WISPr-Billing-Class-Of-Service */
                        $this->attributes['billing_class_of_service'] = radius_cvt_string($datav);
                        break;
                    }
                }

                elseif ($vendor == 14559) { /* RADIUS_VENDOR_ChilliSpot */
                    switch ($attrv) {
                    case 4: /* ChilliSpot-Bandwidth-Max-Up */
                        $this->attributes['bw_up'] = radius_cvt_int($datav);
                        break;
                    case 5: /* ChilliSpot-Bandwidth-Max-Down */
                        $this->attributes['bw_down'] = radius_cvt_int($datav);
                        break;
                    }
                }

		elseif ($vendor == 9) { /* RADIUS_VENDOR_CISCO */
			switch ($attrv) {
			case 1: /* Cisco-AVPair */
				if (!is_array($this->attributes['ciscoavpair']))
					$this->attributes['ciscoavpair'] = array();
				$this->attributes['ciscoavpair'][] = radius_cvt_string($datav);
				break;
			}
		}

                elseif ($vendor == 8744) { /* Colubris / HP MSM wireless */
                    //documented at http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c02704528/c02704528.pdf pg 15-67
                    if ($attrv == 0) { /* Colubris AV-Pair */
                        $datav = explode('=', $datav);
                        switch ($datav[0]) {
                        case 'max-input-rate':
                            // "Controls the data rate [kbps] at which traffic can be transferred from the user to the [router]."
                            $this->attributes['bw_up'] = radius_cvt_int($datav[1]);
                            break;
                        case 'max-output-rate':
                            //"Controls the data rate [kbps] at which traffic can be transferred from the [router] to the user."
                            $this->attributes['bw_down'] = radius_cvt_int($datav[1]);
                            break;
                        case 'max-input-octets':
                            $this->attributes['maxbytesup'] = radius_cvt_int($datav[1]);
                            break;
                        case 'max-output-octets':
                            $this->attributes['maxbytesdown'] = radius_cvt_int($datav[1]);
                            break;
                        case 'welcome-url':
                            $this->attributes['url_redirection'] = radius_cvt_string($datav[1]);
                            break;
                        case 'goodbye-url':
                            $this->attributes['url_logoff'] = radius_cvt_string($datav[1]);
                            break;
                        }
                    }
                }

                break;

            case 85: /* Acct-Interim-Interval: RFC 2869 */
                $this->attributes['interim_interval'] = radius_cvt_int($data);
                break;
            }
        }

        return true;
    }

    /**
     * Frees resources.
     *
     * Calling this method is always a good idea, because all security relevant
     * attributes are filled with Nullbytes to leave nothing in the mem.
     *
     * @access public
     */
    function close()
    {
        if ($this->res != null) {
            radius_close($this->res);
            $this->res = null;
        }
        $this->username = str_repeat("\0", strlen($this->username));
        $this->password = str_repeat("\0", strlen($this->password));
    }

}

/**
 * class Auth_RADIUS_PAP
 *
 * Class for authenticating using PAP (Plaintext)
 *
 * @package Auth_RADIUS 
 */
class Auth_RADIUS_PAP extends Auth_RADIUS 
{

    /**
     * Constructor
     *
     * @param  string  $username   Username
     * @param  string  $password   Password
     * @return void
     */
    function Auth_RADIUS_PAP($username = null, $password = null)
    {
        $this->Auth_RADIUS();
        $this->username = $username;
        $this->password = $password;
    }

    /**
     * Creates a RADIUS resource
     *
     * Creates a RADIUS resource for authentication. This should be the first
     * call before you make any other things with the library.
     *
     * @return bool   true on success, false on error
     */
    function open() 
    {
        $this->res = radius_auth_open();
        if (!$this->res) {
            return false;
        }
        return true;
    }

    /**
     * Creates an authentication request 
     *
     * Creates an authentication request.
     * You MUST call this method before you can put any attribute
     *
     * @return bool   true on success, false on error
     */
    function createRequest()
    {
        if (!radius_create_request($this->res, RADIUS_ACCESS_REQUEST)) {
            return false;
        }
        return true;
    }

    /**
     * Put authentication specific attributes 
     *
     * @return void
     */
    function putAuthAttributes()
    {
        if (isset($this->username)) {
            $this->putAttribute(RADIUS_USER_NAME, $this->username);
        }
        if (isset($this->password)) {
            $this->putAttribute(RADIUS_USER_PASSWORD, $this->password);
        }
    }

}

/**
 * class Auth_RADIUS_CHAP_MD5
 *
 * Class for authenticating using CHAP-MD5 see RFC1994.
 * Instead og the plaintext password the challenge and 
 * the response are needed.
 *
 * @package Auth_RADIUS 
 */
class Auth_RADIUS_CHAP_MD5 extends Auth_RADIUS_PAP
{
    /**
     * 8 Bytes binary challenge
     * @var  string
     */
    var $challenge = null;

    /**
     * 16 Bytes MD5 response binary
     * @var  string
     */
    var $response = null;

    /**
     * Id of the authentication request. Should incremented after every request.
     * @var  integer
     */
    var $chapid = 1;

    /**
     * Constructor
     *
     * @param  string  $username   Username
     * @param  string  $challenge  8 Bytes Challenge (binary)
     * @param  integer $chapid     Requestnumber
     * @return void
     */
    function Auth_RADIUS_CHAP_MD5($username = null, $challenge = null, $chapid = 1)
    {
        $this->Auth_RADIUS_PAP();
        $this->username = $username;
        $this->challenge = $challenge;
        $this->chapid = $chapid;
    }

    /**
     * Put CHAP-MD5 specific attributes
     *
     * For authenticating using CHAP-MD5 via RADIUS you have to put the challenge 
     * and the response. The chapid is inserted in the first byte of the response.
     *
     * @return void
     */
    function putAuthAttributes()
    {
        if (isset($this->username)) {
            $this->putAttribute(RADIUS_USER_NAME, $this->username);        
        }
        if (isset($this->response)) {
            $response = pack('C', $this->chapid) . $this->response;
            $this->putAttribute(RADIUS_CHAP_PASSWORD, $response);
        }
        if (isset($this->challenge)) {
            $this->putAttribute(RADIUS_CHAP_CHALLENGE, $this->challenge);
        }
    }

    /**
     * Frees resources.
     *
     * Calling this method is always a good idea, because all security relevant
     * attributes are filled with Nullbytes to leave nothing in the mem.
     *
     * @access public
     */
    function close()
    {
        Auth_RADIUS_PAP::close();
        $this->challenge =  str_repeat("\0", strlen($this->challenge));
        $this->response =  str_repeat("\0", strlen($this->response));
    }

}

/**
 * class Auth_RADIUS_MSCHAPv1
 *
 * Class for authenticating using MS-CHAPv1 see RFC2433
 *
 * @package Auth_RADIUS 
 */
class Auth_RADIUS_MSCHAPv1 extends Auth_RADIUS_CHAP_MD5 
{
    /**
     * LAN-Manager-Response
     * @var  string
     */
    var $lmResponse = null;

    /**
     * Wether using deprecated LM-Responses or not.
     * 0 = use LM-Response, 1 = use NT-Response
     * @var  bool
     */
    var $flags = 1;

    /**
     * Put MS-CHAPv1 specific attributes 
     *
     * For authenticating using MS-CHAPv1 via RADIUS you have to put the challenge 
     * and the response. The response has this structure:
     * struct rad_mschapvalue {
     *   u_char ident;
     *   u_char flags;
     *   u_char lm_response[24];
     *   u_char response[24];
     * };
     *
     * @return void
     */
    function putAuthAttributes()
    {
        if (isset($this->username)) {
            $this->putAttribute(RADIUS_USER_NAME, $this->username);
        }
        if (isset($this->response) || isset($this->lmResponse)) {
            $lmResp = isset($this->lmResponse) ? $this->lmResponse : str_repeat ("\0", 24);
            $ntResp = isset($this->response)   ? $this->response :   str_repeat ("\0", 24);
            $resp = pack('CC', $this->chapid, $this->flags) . $lmResp . $ntResp;
            $this->putVendorAttribute(RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP_RESPONSE, $resp);
        }
        if (isset($this->challenge)) {
            $this->putVendorAttribute(RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP_CHALLENGE, $this->challenge);
        }
    }
}

/**
 * class Auth_RADIUS_MSCHAPv2
 *
 * Class for authenticating using MS-CHAPv2 see RFC2759
 *
 * @package Auth_RADIUS 
 */
class Auth_RADIUS_MSCHAPv2 extends Auth_RADIUS_MSCHAPv1 
{
    /**
     * 16 Bytes binary challenge
     * @var  string
     */
    var $challenge = null;

    /**
     * 16 Bytes binary Peer Challenge
     * @var  string
     */
    var $peerChallenge = null;

  /**
     * Put MS-CHAPv2 specific attributes 
     *
     * For authenticating using MS-CHAPv1 via RADIUS you have to put the challenge 
     * and the response. The response has this structure:
     * struct rad_mschapv2value {
     *   u_char ident;
     *   u_char flags;
     *   u_char pchallenge[16];
     *   u_char reserved[8];
     *   u_char response[24];
     * };
     * where pchallenge is the peer challenge. Like for MS-CHAPv1 we set the flags field to 1.
     * @return void
     */
    function putAuthAttributes()
    {
        if (isset($this->username)) {
            $this->putAttribute(RADIUS_USER_NAME, $this->username);        
        }
        if (isset($this->response) && isset($this->peerChallenge)) {
            // Response: chapid, flags (1 = use NT Response), Peer challenge, reserved, Response        
            $resp = pack('CCa16a8a24',$this->chapid , 1, $this->peerChallenge, str_repeat("\0", 8), $this->response);        
            $this->putVendorAttribute(RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP2_RESPONSE, $resp);
        }
        if (isset($this->challenge)) {
            $this->putVendorAttribute(RADIUS_VENDOR_MICROSOFT, RADIUS_MICROSOFT_MS_CHAP_CHALLENGE, $this->challenge);
        }
    }

    /**
     * Frees resources.
     *
     * Calling this method is always a good idea, because all security relevant
     * attributes are filled with Nullbytes to leave nothing in the mem.
     *
     * @access public
     */   
    function close()
    {
        Auth_RADIUS_MSCHAPv1::close();
        $this->peerChallenge = str_repeat("\0", strlen($this->peerChallenge));
    }
}

/**
 * class Auth_RADIUS_Acct
 *
 * Class for RADIUS accounting
 * 
 * @package Auth_RADIUS 
 */
class Auth_RADIUS_Acct extends Auth_RADIUS 
{
    /**
     * Defines where the Authentication was made, possible values are:
     * RADIUS_AUTH_RADIUS, RADIUS_AUTH_LOCAL, RADIUS_AUTH_REMOTE
     * @var  integer
     */
    var $authentic = null;

   /**
     * Defines the type of the accounting request, on of:
     * RADIUS_START, RADIUS_STOP, RADIUS_ACCOUNTING_ON, RADIUS_ACCOUNTING_OFF
     * @var  integer
     */    
    var $status_type = null;

   /**
     * The time the user was logged in in seconds
     * @var  integer
     */    
    var $session_time = null;

   /**
     * A uniq identifier for the session of the user, maybe the PHP-Session-Id
     * @var  string
     */    
    var $session_id = null;

    /**
     * Constructor
     *
     * This function is disabled for M0n0wall since we use our own session_id
     *
     * Generates a predefined session_id. We use the Remote-Address, the PID, and the Current user.
     * @return void
     *
    function Auth_RADIUS_Acct()
    {
        $this->Auth_RADIUS();

        if (isset($_SERVER)) {
            $var = &$_SERVER;
        } else {
            $var = &$GLOBALS['HTTP_SERVER_VARS'];
        }

        $this->session_id = sprintf("%s:%d-%s", isset($var['REMOTE_ADDR']) ? $var['REMOTE_ADDR'] : '127.0.0.1' , getmypid(), get_current_user());
    }
    */

    /**
     * Constructor
     *
     */

    function Auth_RADIUS_Acct()
    {
        $this->Auth_RADIUS();
    }

    /**
     * Creates a RADIUS resource
     *
     * Creates a RADIUS resource for accounting. This should be the first
     * call before you make any other things with the library.
     *
     * @return bool   true on success, false on error
     */
    function open() 
    {
        $this->res = radius_acct_open();
        if (!$this->res) {
            return false;
        }
        return true;
    }

   /**
     * Creates an accounting request 
     *
     * Creates an accounting request.
     * You MUST call this method before you can put any attribute.
     *
     * @return bool   true on success, false on error
     */
    function createRequest()
    {
        if (!radius_create_request($this->res, RADIUS_ACCOUNTING_REQUEST)) {
            return false;
        }
        return true;
    }

  /**
     * Put attributes for accounting.
     *
     * Here we put some accounting values. There many more attributes for accounting, 
     * but for web-applications only certain attributes make sense.
     * @return void
     */ 
    function putAuthAttributes()
    {
        if (isset($this->username)) {
            $this->putAttribute(RADIUS_USER_NAME, $this->username);
        }
        $this->putAttribute(RADIUS_ACCT_STATUS_TYPE, $this->status_type);
        //if (isset($this->session_time) && $this->status_type == RADIUS_STOP) {
        if (isset($this->session_time)) {
            $this->putAttribute(RADIUS_ACCT_SESSION_TIME, $this->session_time);
        }
        if (isset($this->authentic)) {
            $this->putAttribute(RADIUS_ACCT_AUTHENTIC, $this->authentic);
        }

        $this->putStandardAttributes();
    }

}

/**
 * class Auth_RADIUS_Acct_Start
 *
 * Class for RADIUS accounting. Its usualy used, after the user has logged in.
 * 
 * @package Auth_RADIUS
 */
class Auth_RADIUS_Acct_Start extends Auth_RADIUS_Acct 
{
   /**
     * Defines the type of the accounting request.
     * It is set to RADIUS_START by default in this class.
     * @var  integer
     */
    var $status_type = RADIUS_START;
}

/**
 * class Auth_RADIUS_Acct_Start
 *
 * Class for RADIUS accounting. Its usualy used, after the user has logged out.
 *
 * @package Auth_RADIUS
 */
class Auth_RADIUS_Acct_Stop extends Auth_RADIUS_Acct
{
   /**
     * Defines the type of the accounting request.
     * It is set to RADIUS_STOP by default in this class.
     * @var  integer
     */
    var $status_type = RADIUS_STOP;
}

if (!defined('RADIUS_UPDATE'))
    define('RADIUS_UPDATE', 3);

/**
 * class Auth_RADIUS_Acct_Update
 *
 * Class for interim RADIUS accounting updates.
 *
 * @package Auth_RADIUS
 */
class Auth_RADIUS_Acct_Update extends Auth_RADIUS_Acct
{
   /**
     * Defines the type of the accounting request.
     * It is set to RADIUS_UPDATE by default in this class.
     * @var  integer
     */
    var $status_type = RADIUS_UPDATE;
}

/**
 * class Auth_RADIUS_Acct_On
 *
 * Class for sending Accounting-On updates
 *
 * @package Auth_RADIUS
 */
class Auth_RADIUS_Acct_On extends Auth_RADIUS_Acct
{
    /**
      * Defines the type of the accounting request.
      * It is set to RADIUS_ACCOUNTING_ON by default in this class.
      * @var  integer
      */
    var $status_type = RADIUS_ACCOUNTING_ON;
}

/**
 * class Auth_RADIUS_Acct_Off
 *
 * Class for sending Accounting-Off updates
 *
 * @package Auth_RADIUS
 */
class Auth_RADIUS_Acct_Off extends Auth_RADIUS_Acct
{
    /**
      * Defines the type of the accounting request.
      * It is set to RADIUS_ACCOUNTING_OFF by default in this class.
      * @var  integer
      */
    var $status_type = RADIUS_ACCOUNTING_OFF;
}

?>
OpenPOWER on IntegriCloud