aboutsummaryrefslogtreecommitdiffstats
path: root/apps/app_osplookup.c
blob: c700e81ce01b120864f114ee025080b07ad73b36 (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
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 1999 - 2006, Digium, Inc.
 *
 * Mark Spencer <markster@digium.com>
 *
 * See http://www.asterisk.org for more information about
 * the Asterisk project. Please do not directly contact
 * any of the maintainers of this project for assistance;
 * the project provides a web site, mailing lists and IRC
 * channels for your use.
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License Version 2. See the LICENSE file
 * at the top of the source tree.
 */

/*!
 * \file
 * \brief Open Settlement Protocol (OSP) Applications
 *
 * \author Mark Spencer <markster@digium.com>
 * 
 * \ingroup applications
 */

/*** MODULEINFO
	<depend>osptk</depend>
	<depend>ssl</depend>
 ***/

#include "asterisk.h"

ASTERISK_FILE_VERSION(__FILE__, "$Revision$")

#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <osp/osp.h>
#include <osp/osputils.h>

#include "asterisk/lock.h"
#include "asterisk/config.h"
#include "asterisk/utils.h"
#include "asterisk/causes.h"
#include "asterisk/channel.h"
#include "asterisk/app.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/options.h"
#include "asterisk/cli.h"
#include "asterisk/logger.h"
#include "asterisk/astosp.h"

/* OSP Buffer Sizes */
#define OSP_INTSTR_SIZE			((unsigned int)16)			/* OSP signed/unsigned int string buffer size */
#define OSP_NORSTR_SIZE			((unsigned int)256)			/* OSP normal string buffer size */
#define OSP_TOKSTR_SIZE			((unsigned int)4096)			/* OSP token string buffer size */

/* OSP Constants */
#define OSP_INVALID_HANDLE		((int)-1)				/* Invalid OSP handle, provider, transaction etc. */
#define OSP_CONFIG_FILE			((const char*)"osp.conf")		/* OSP configuration file name */
#define OSP_GENERAL_CAT			((const char*)"general")		/* OSP global configuration context name */
#define OSP_DEF_PROVIDER		((const char*)"default")		/* OSP default provider context name */
#define OSP_MAX_CERTS			((unsigned int)10)			/* OSP max number of cacerts */
#define OSP_MAX_SRVS			((unsigned int)10)			/* OSP max number of service points */
#define OSP_DEF_MAXCONNECTIONS		((unsigned int)20)			/* OSP default max_connections */
#define OSP_MIN_MAXCONNECTIONS		((unsigned int)1)			/* OSP min max_connections */
#define OSP_MAX_MAXCONNECTIONS		((unsigned int)1000)			/* OSP max max_connections */
#define OSP_DEF_RETRYDELAY		((unsigned int)0)			/* OSP default retry delay */
#define OSP_MIN_RETRYDELAY		((unsigned int)0)			/* OSP min retry delay */
#define OSP_MAX_RETRYDELAY		((unsigned int)10)			/* OSP max retry delay */
#define OSP_DEF_RETRYLIMIT		((unsigned int)2)			/* OSP default retry times */
#define OSP_MIN_RETRYLIMIT		((unsigned int)0)			/* OSP min retry times */
#define OSP_MAX_RETRYLIMIT		((unsigned int)100)			/* OSP max retry times */
#define OSP_DEF_TIMEOUT			((unsigned int)500)			/* OSP default timeout in ms */
#define OSP_MIN_TIMEOUT			((unsigned int)200)			/* OSP min timeout in ms */
#define OSP_MAX_TIMEOUT			((unsigned int)10000)			/* OSP max timeout in ms */
#define OSP_DEF_AUTHPOLICY		((enum osp_authpolicy)OSP_AUTH_YES)
#define OSP_AUDIT_URL			((const char*)"localhost")		/* OSP default Audit URL */
#define OSP_LOCAL_VALIDATION		((int)1)				/* Validate OSP token locally */
#define OSP_SSL_LIFETIME		((unsigned int)300)			/* SSL life time, in seconds */
#define OSP_HTTP_PERSISTENCE		((int)1)				/* In seconds */
#define OSP_CUSTOMER_ID			((const char*)"")			/* OSP customer ID */
#define OSP_DEVICE_ID			((const char*)"")			/* OSP device ID */
#define OSP_DEF_DESTINATIONS		((unsigned int)5)			/* OSP default max number of destinations */
#define OSP_DEF_TIMELIMIT		((unsigned int)0)			/* OSP default duration limit, no limit */

/* OSP Authentication Policy */
enum osp_authpolicy {
	OSP_AUTH_NO,		/* Accept any call */
	OSP_AUTH_YES,		/* Accept call with valid OSP token or without OSP token */
	OSP_AUTH_EXCLUSIVE	/* Only accept call with valid OSP token */
};

/* OSP Provider */
struct osp_provider {
	char name[OSP_NORSTR_SIZE];				/* OSP provider context name */
	char privatekey[OSP_NORSTR_SIZE];			/* OSP private key file name */
	char localcert[OSP_NORSTR_SIZE];			/* OSP local cert file name */
	unsigned int cacount;					/* Number of cacerts */
	char cacerts[OSP_MAX_CERTS][OSP_NORSTR_SIZE]; 		/* Cacert file names */
	unsigned int spcount;					/* Number of service points */
	char srvpoints[OSP_MAX_SRVS][OSP_NORSTR_SIZE];		/* Service point URLs */
	int maxconnections;					/* Max number of connections */
	int retrydelay;						/* Retry delay */
	int retrylimit;						/* Retry limit */
	int timeout;						/* Timeout in ms */
	char source[OSP_NORSTR_SIZE];				/* IP of self */
	enum osp_authpolicy authpolicy;				/* OSP authentication policy */
	OSPTPROVHANDLE handle;					/* OSP provider handle */
	struct osp_provider* next;				/* Pointer to next OSP provider */
};

/* OSP Application In/Output Results */
struct osp_result {
	int inhandle;						/* Inbound transaction handle */
	int outhandle;						/* Outbound transaction handle */
	unsigned int intimelimit;				/* Inbound duration limit */
	unsigned int outtimelimit;				/* Outbound duration limit */
	char tech[20];						/* Asterisk TECH string */
	char dest[OSP_NORSTR_SIZE];				/* Destination in called@IP format */
	char calling[OSP_NORSTR_SIZE];				/* Calling number, may be translated */
	char token[OSP_TOKSTR_SIZE];				/* Outbound OSP token */
	unsigned int numresults;				/* Number of remain destinations */
};

/* OSP Module Global Variables */
AST_MUTEX_DEFINE_STATIC(osplock);				/* Lock of OSP provider list */
static int osp_initialized = 0;					/* Init flag */
static int osp_hardware = 0;					/* Hardware accelleration flag */
static struct osp_provider* ospproviders = NULL;		/* OSP provider list */
static unsigned int osp_tokenformat = TOKEN_ALGO_SIGNED;	/* Token format supported */

/* OSP Client Wrapper APIs */

/*!
 * \brief Create OSP provider handle according to configuration
 * \param cfg OSP configuration
 * \param provider OSP provider context name
 * \return 1 Success, 0 Failed, -1 Error
 */
static int osp_create_provider(struct ast_config* cfg, const char* provider)
{
	int res;
	unsigned int t, i, j;
	struct osp_provider* p;
	struct ast_variable* v;
	OSPTPRIVATEKEY privatekey;
	OSPTCERT localcert;
	const char* psrvpoints[OSP_MAX_SRVS];
	OSPTCERT cacerts[OSP_MAX_CERTS];
	const OSPTCERT* pcacerts[OSP_MAX_CERTS];
	int error = OSPC_ERR_NO_ERROR;

	if (!(p = ast_calloc(1, sizeof(*p)))) {
		ast_log(LOG_ERROR, "Out of memory\n");
		return -1;
	}

	ast_copy_string(p->name, provider, sizeof(p->name));
	snprintf(p->privatekey, sizeof(p->privatekey), "%s/%s-privatekey.pem", ast_config_AST_KEY_DIR, provider);
	snprintf(p->localcert, sizeof(p->localcert), "%s/%s-localcert.pem", ast_config_AST_KEY_DIR, provider);
	p->maxconnections = OSP_DEF_MAXCONNECTIONS;
	p->retrydelay = OSP_DEF_RETRYDELAY;
	p->retrylimit = OSP_DEF_RETRYLIMIT;
	p->timeout = OSP_DEF_TIMEOUT;
	p->authpolicy = OSP_DEF_AUTHPOLICY;
	p->handle = OSP_INVALID_HANDLE;

	v = ast_variable_browse(cfg, provider);
	while(v) {
		if (!strcasecmp(v->name, "privatekey")) {
			if (v->value[0] == '/') {
				ast_copy_string(p->privatekey, v->value, sizeof(p->privatekey));
			} else {
				snprintf(p->privatekey, sizeof(p->privatekey), "%s/%s", ast_config_AST_KEY_DIR, v->value);
			}
			ast_log(LOG_DEBUG, "OSP: privatekey '%s'\n", p->privatekey);
		} else if (!strcasecmp(v->name, "localcert")) {
			if (v->value[0] == '/') {
				ast_copy_string(p->localcert, v->value, sizeof(p->localcert));
			} else {
				snprintf(p->localcert, sizeof(p->localcert), "%s/%s", ast_config_AST_KEY_DIR, v->value);
			}
			ast_log(LOG_DEBUG, "OSP: localcert '%s'\n", p->localcert);
		} else if (!strcasecmp(v->name, "cacert")) {
			if (p->cacount < OSP_MAX_CERTS) {
				if (v->value[0] == '/') {
					ast_copy_string(p->cacerts[p->cacount], v->value, sizeof(p->cacerts[0]));
				} else {
					snprintf(p->cacerts[p->cacount], sizeof(p->cacerts[0]), "%s/%s", ast_config_AST_KEY_DIR, v->value);
				}
				ast_log(LOG_DEBUG, "OSP: cacert[%d]: '%s'\n", p->cacount, p->cacerts[p->cacount]);
				p->cacount++;
			} else {
				ast_log(LOG_WARNING, "OSP: Too many CA Certificates at line %d\n", v->lineno);
			}
		} else if (!strcasecmp(v->name, "servicepoint")) {
			if (p->spcount < OSP_MAX_SRVS) {
				ast_copy_string(p->srvpoints[p->spcount], v->value, sizeof(p->srvpoints[0]));
				ast_log(LOG_DEBUG, "OSP: servicepoint[%d]: '%s'\n", p->spcount, p->srvpoints[p->spcount]);
				p->spcount++;
			} else {
				ast_log(LOG_WARNING, "OSP: Too many Service Points at line %d\n", v->lineno);
			}
		} else if (!strcasecmp(v->name, "maxconnections")) {
			if ((sscanf(v->value, "%d", &t) == 1) && (t >= OSP_MIN_MAXCONNECTIONS) && (t <= OSP_MAX_MAXCONNECTIONS)) {
				p->maxconnections = t;
				ast_log(LOG_DEBUG, "OSP: maxconnections '%d'\n", t);
			} else {
				ast_log(LOG_WARNING, "OSP: maxconnections should be an integer from %d to %d, not '%s' at line %d\n", 
					OSP_MIN_MAXCONNECTIONS, OSP_MAX_MAXCONNECTIONS, v->value, v->lineno);
			}
		} else if (!strcasecmp(v->name, "retrydelay")) {
			if ((sscanf(v->value, "%d", &t) == 1) && (t >= OSP_MIN_RETRYDELAY) && (t <= OSP_MAX_RETRYDELAY)) {
				p->retrydelay = t;
				ast_log(LOG_DEBUG, "OSP: retrydelay '%d'\n", t);
			} else {
				ast_log(LOG_WARNING, "OSP: retrydelay should be an integer from %d to %d, not '%s' at line %d\n", 
					OSP_MIN_RETRYDELAY, OSP_MAX_RETRYDELAY, v->value, v->lineno);
			}
		} else if (!strcasecmp(v->name, "retrylimit")) {
			if ((sscanf(v->value, "%d", &t) == 1) && (t >= OSP_MIN_RETRYLIMIT) && (t <= OSP_MAX_RETRYLIMIT)) {
				p->retrylimit = t;
				ast_log(LOG_DEBUG, "OSP: retrylimit '%d'\n", t);
			} else {
				ast_log(LOG_WARNING, "OSP: retrylimit should be an integer from %d to %d, not '%s' at line %d\n", 
					OSP_MIN_RETRYLIMIT, OSP_MAX_RETRYLIMIT, v->value, v->lineno);
			}
		} else if (!strcasecmp(v->name, "timeout")) {
			if ((sscanf(v->value, "%d", &t) == 1) && (t >= OSP_MIN_TIMEOUT) && (t <= OSP_MAX_TIMEOUT)) {
				p->timeout = t;
				ast_log(LOG_DEBUG, "OSP: timeout '%d'\n", t);
			} else {
				ast_log(LOG_WARNING, "OSP: timeout should be an integer from %d to %d, not '%s' at line %d\n", 
					OSP_MIN_TIMEOUT, OSP_MAX_TIMEOUT, v->value, v->lineno);
			}
		} else if (!strcasecmp(v->name, "source")) {
			ast_copy_string(p->source, v->value, sizeof(p->source));
			ast_log(LOG_DEBUG, "OSP: source '%s'\n", p->source);
		} else if (!strcasecmp(v->name, "authpolicy")) {
			if ((sscanf(v->value, "%d", &t) == 1) && ((t == OSP_AUTH_NO) || (t == OSP_AUTH_YES) || (t == OSP_AUTH_EXCLUSIVE))) {
				p->authpolicy = t;
				ast_log(LOG_DEBUG, "OSP: authpolicy '%d'\n", t);
			} else {
				ast_log(LOG_WARNING, "OSP: authpolicy should be %d, %d or %d, not '%s' at line %d\n", 
					OSP_AUTH_NO, OSP_AUTH_YES, OSP_AUTH_EXCLUSIVE, v->value, v->lineno);
			}
		}
		v = v->next;
	}

	error = OSPPUtilLoadPEMPrivateKey((unsigned char *) p->privatekey, &privatekey);
	if (error != OSPC_ERR_NO_ERROR) {
		ast_log(LOG_WARNING, "OSP: Unable to load privatekey '%s', error '%d'\n", p->privatekey, error);
		free(p);
		return 0;
	}

	error = OSPPUtilLoadPEMCert((unsigned char *) p->localcert, &localcert);
	if (error != OSPC_ERR_NO_ERROR) {
		ast_log(LOG_WARNING, "OSP: Unable to load localcert '%s', error '%d'\n", p->localcert, error);
		if (privatekey.PrivateKeyData) {
			free(privatekey.PrivateKeyData);
		}
		free(p);
		return 0;
	}

	if (p->cacount < 1) {
		snprintf(p->cacerts[p->cacount], sizeof(p->cacerts[0]), "%s/%s-cacert.pem", ast_config_AST_KEY_DIR, provider);
		ast_log(LOG_DEBUG, "OSP: cacert[%d]: '%s'\n", p->cacount, p->cacerts[p->cacount]);
		p->cacount++;
	}
	for (i = 0; i < p->cacount; i++) {
		error = OSPPUtilLoadPEMCert((unsigned char *) p->cacerts[i], &cacerts[i]);
		if (error != OSPC_ERR_NO_ERROR) {
			ast_log(LOG_WARNING, "OSP: Unable to load cacert '%s', error '%d'\n", p->cacerts[i], error);
			for (j = 0; j < i; j++) {
				if (cacerts[j].CertData) {
					free(cacerts[j].CertData);
				}
			}
			if (localcert.CertData) {
				free(localcert.CertData);
			}
			if (privatekey.PrivateKeyData) {
				free(privatekey.PrivateKeyData);
			}
			free(p);
			return 0;
		}
		pcacerts[i] = &cacerts[i];
	}
	
	for (i = 0; i < p->spcount; i++) {
		psrvpoints[i] = p->srvpoints[i];
	}

	error = OSPPProviderNew(p->spcount, psrvpoints, NULL, OSP_AUDIT_URL, &privatekey, &localcert, p->cacount, pcacerts, OSP_LOCAL_VALIDATION,
				OSP_SSL_LIFETIME, p->maxconnections, OSP_HTTP_PERSISTENCE, p->retrydelay, p->retrylimit,p->timeout, OSP_CUSTOMER_ID,
				OSP_DEVICE_ID, &p->handle);
	if (error != OSPC_ERR_NO_ERROR) {
		ast_log(LOG_WARNING, "OSP: Unable to create provider '%s', error '%d'\n", provider, error);
		free(p);
		res = -1;
	} else {
		ast_log(LOG_DEBUG, "OSP: provider '%s'\n", provider);
		ast_mutex_lock(&osplock);
		p->next = ospproviders;
		ospproviders = p;
		ast_mutex_unlock(&osplock); 	
		res = 1;
	}

	for (i = 0; i < p->cacount; i++) {
		if (cacerts[i].CertData) {
			free(cacerts[i].CertData);
		}
	}
	if (localcert.CertData) {
		free(localcert.CertData);
	}
	if (privatekey.PrivateKeyData) {
		free(privatekey.PrivateKeyData);
	}

	return res;
}

/*!
 * \brief Get OSP authenticiation policy of provider
 * \param provider OSP provider context name
 * \param policy OSP authentication policy, output
 * \return 1 Success, 0 Failed, -1 Error
 */
static int osp_get_policy(const char* provider, int* policy)
{
	int res = 0;
	struct osp_provider* p;

	ast_mutex_lock(&osplock);
	p = ospproviders;
	while(p) {
		if (!strcasecmp(p->name, provider)) {
			*policy = p->authpolicy;
			ast_log(LOG_DEBUG, "OSP: authpolicy '%d'\n", *policy);
			res = 1;
			break;
		}
		p = p->next;
	}
	ast_mutex_unlock(&osplock);

	return res;
}

/*!
 * \brief Create OSP transaction handle
 * \param provider OSP provider context name
 * \param transaction OSP transaction handle, output
 * \param sourcesize Size of source buffer, in/output
 * \param source Source of provider, output
 * \return 1 Success, 0 Failed, -1 Error
 */
static int osp_create_transaction(const char* provider, int* transaction, unsigned int sourcesize, char* source)
{
	int res = 0;
	struct osp_provider* p;
	int error;

	ast_mutex_lock(&osplock);
	p = ospproviders;
	while(p) {
		if (!strcasecmp(p->name, provider)) {
			error = OSPPTransactionNew(p->handle, transaction);
			if (error == OSPC_ERR_NO_ERROR) {
				ast_log(LOG_DEBUG, "OSP: transaction '%d'\n", *transaction);
				ast_copy_string(source, p->source, sourcesize);
				ast_log(LOG_DEBUG, "OSP: source '%s'\n", source);
				res = 1;
			} else {
				*transaction = OSP_INVALID_HANDLE;
				ast_log(LOG_DEBUG, "OSP: Unable to create transaction handle, error '%d'\n", error);
				res = -1;
			}
			break;
		}
		p = p->next;
	}
	ast_mutex_unlock(&osplock);

	return res;
}

/*!
 * \brief Validate OSP token of inbound call
 * \param transaction OSP transaction handle
 * \param source Source of inbound call
 * \param dest Destination of inbound call
 * \param calling Calling number
 * \param called Called number
 * \param token OSP token, may be empty
 * \param timelimit Call duration limit, output
 * \return 1 Success, 0 Failed, -1 Error
 */
static int osp_validate_token(int transaction, const char* source, const char* dest, const char* calling, const char* called, const char* token, unsigned int* timelimit)
{
	int res;
	int tokenlen;
	unsigned char tokenstr[OSP_TOKSTR_SIZE];
	unsigned int authorised;
	unsigned int dummy = 0;
	int error;

	tokenlen = ast_base64decode(tokenstr, token, strlen(token));
	error = OSPPTransactionValidateAuthorisation(
		transaction, 
		source, dest, NULL, NULL,
		calling ? calling : "", OSPC_E164, 
		called, OSPC_E164, 
		0, NULL,
		tokenlen, (char *) tokenstr, 
		&authorised, 
		timelimit, 
		&dummy, NULL, 
		osp_tokenformat); 
	if (error != OSPC_ERR_NO_ERROR) {
		ast_log(LOG_DEBUG, "OSP: Unable to validate inbound token\n");
		res = -1;
	} else if (authorised) {
		ast_log(LOG_DEBUG, "OSP: Authorised\n");
		res = 1;
	} else {
		ast_log(LOG_DEBUG, "OSP: Unauthorised\n");
		res = 0;
	}
	
	return res;
}

/*!
 * \brief Choose min duration limit
 * \param in Inbound duration limit
 * \param out Outbound duration limit
 * \return min duration limit
 */
static unsigned int osp_choose_timelimit(unsigned int in, unsigned int out)
{
	if (in == OSP_DEF_TIMELIMIT) {
		return out;
	} else if (out == OSP_DEF_TIMELIMIT) {
		return in;
	} else {
		return in < out ? in : out;
	}
}

/*!
 * \brief Choose min duration limit
 * \param called Called number
 * \param calling Calling number
 * \param destination Destination IP in '[x.x.x.x]' format
 * \param tokenlen OSP token length
 * \param token OSP token
 * \param reason Failure reason, output
 * \param result OSP lookup results, in/output
 * \return 1 Success, 0 Failed, -1 Error
 */
static int osp_check_destination(const char* called, const char* calling, char* destination, unsigned int tokenlen, const char* token, enum OSPEFAILREASON* reason, struct osp_result* result)
{
	int res;
	OSPE_DEST_OSP_ENABLED enabled;
	OSPE_DEST_PROT protocol;
	int error;

	if (strlen(destination) <= 2) {
		ast_log(LOG_DEBUG, "OSP: Wrong destination format '%s'\n", destination);
		*reason = OSPC_FAIL_NORMAL_UNSPECIFIED;
		return -1;
	} 

	if ((error = OSPPTransactionIsDestOSPEnabled(result->outhandle, &enabled)) != OSPC_ERR_NO_ERROR) {
		ast_log(LOG_DEBUG, "OSP: Unable to get destination OSP version, error '%d'\n", error);
		*reason = OSPC_FAIL_NORMAL_UNSPECIFIED;
		return -1;
	}

	if (enabled == OSPE_OSP_FALSE) {
		result->token[0] = '\0';
	} else {
		ast_base64encode(result->token, (const unsigned char *) token, tokenlen, sizeof(result->token) - 1);
	}

	if ((error = OSPPTransactionGetDestProtocol(result->outhandle, &protocol)) != OSPC_ERR_NO_ERROR) {
		ast_log(LOG_DEBUG, "OSP: Unable to get destination protocol, error '%d'\n", error);
		*reason = OSPC_FAIL_NORMAL_UNSPECIFIED; 
		result->token[0] = '\0';
		return -1;
	} 

	res = 1;
	/* Strip leading and trailing brackets */
	destination[strlen(destination) - 1] = '\0';
	switch(protocol) {
		case OSPE_DEST_PROT_H323_SETUP:
			ast_log(LOG_DEBUG, "OSP: protocol '%d'\n", protocol);
			ast_copy_string(result->tech, "H323", sizeof(result->tech));
			snprintf(result->dest, sizeof(result->dest), "%s@%s", called, destination + 1);
			ast_copy_string(result->calling, calling, sizeof(result->calling));
			break;
		case OSPE_DEST_PROT_SIP:
			ast_log(LOG_DEBUG, "OSP: protocol '%d'\n", protocol);
			ast_copy_string(result->tech, "SIP", sizeof(result->tech));
			snprintf(result->dest, sizeof(result->dest), "%s@%s", called, destination + 1);
			ast_copy_string(result->calling, calling, sizeof(result->calling));
			break;
		case OSPE_DEST_PROT_IAX:
			ast_log(LOG_DEBUG, "OSP: protocol '%d'\n", protocol);
			ast_copy_string(result->tech, "IAX", sizeof(result->tech));
			snprintf(result->dest, sizeof(result->dest), "%s@%s", called, destination + 1);
			ast_copy_string(result->calling, calling, sizeof(result->calling));
			break;
		default:
			ast_log(LOG_DEBUG, "OSP: Unknown protocol '%d'\n", protocol);
			*reason = OSPC_FAIL_PROTOCOL_ERROR; 
			result->token[0] = '\0';
			res = 0;
	}

	return res;
}

/*!
 * \brief Convert Asterisk status to TC code
 * \param cause Asterisk hangup cause
 * \return OSP TC code
 */
static enum OSPEFAILREASON asterisk2osp(int cause)
{
	return (enum OSPEFAILREASON)cause;
}

/*!
 * \brief OSP Authentication function
 * \param provider OSP provider context name
 * \param transaction OSP transaction handle, output
 * \param source Source of inbound call
 * \param calling Calling number
 * \param called Called number
 * \param token OSP token, may be empty
 * \param timelimit Call duration limit, output
 * \return 1 Authenricated, 0 Unauthenticated, -1 Error
 */
static int osp_auth(const char* provider, int* transaction, const char* source, const char* calling, const char* called, const char* token, unsigned int* timelimit)
{
	int res;
	int policy = OSP_AUTH_YES;
	char dest[OSP_NORSTR_SIZE];

	*transaction = OSP_INVALID_HANDLE;
	*timelimit = OSP_DEF_TIMELIMIT;
	res = osp_get_policy(provider, &policy);
	if (!res) {
		ast_log(LOG_DEBUG, "OSP: Unabe to find OSP authentication policy\n");
		return res;
	}

	switch (policy) {
		case OSP_AUTH_NO:
			res = 1;
			break;
		case OSP_AUTH_EXCLUSIVE:
			if (ast_strlen_zero(token)) {
				res = 0;
			} else if ((res = osp_create_transaction(provider, transaction, sizeof(dest), dest)) <= 0) {
				ast_log(LOG_DEBUG, "OSP: Unable to generate transaction handle\n");
				*transaction = OSP_INVALID_HANDLE;
				res = 0;
			} else if((res = osp_validate_token(*transaction, source, dest, calling, called, token, timelimit)) <= 0) {
				OSPPTransactionRecordFailure(*transaction, OSPC_FAIL_CALL_REJECTED);
			}
			break;
		case OSP_AUTH_YES:
		default:
			if (ast_strlen_zero(token)) {
				res = 1;
			} else if ((res = osp_create_transaction(provider, transaction, sizeof(dest), dest)) <= 0) {
				ast_log(LOG_DEBUG, "OSP: Unable to generate transaction handle\n");
				*transaction = OSP_INVALID_HANDLE;
				res = 0;
			} else if((res = osp_validate_token(*transaction, source, dest, calling, called, token, timelimit)) <= 0) {
				OSPPTransactionRecordFailure(*transaction, OSPC_FAIL_CALL_REJECTED);
			}
			break;
	}

	return res;
}

/*!
 * \brief OSP Lookup function
 * \param provider OSP provider context name
 * \param srcdev Source device of outbound call
 * \param calling Calling number
 * \param called Called number
 * \param result Lookup results
 * \return 1 Found , 0 No route, -1 Error
 */
static int osp_lookup(const char* provider, const char* srcdev, const char* calling, const char* called, struct osp_result* result)
{
	int res;
	char source[OSP_NORSTR_SIZE];
	unsigned int callidlen;
	char callid[OSPC_CALLID_MAXSIZE];
	char callingnum[OSP_NORSTR_SIZE];
	char callednum[OSP_NORSTR_SIZE];
	char destination[OSP_NORSTR_SIZE];
	unsigned int tokenlen;
	char token[OSP_TOKSTR_SIZE];
	unsigned int dummy = 0;
	enum OSPEFAILREASON reason;
	int error;

	result->outhandle = OSP_INVALID_HANDLE;
	result->tech[0] = '\0';
	result->dest[0] = '\0';
	result->calling[0] = '\0';
	result->token[0] = '\0';
	result->numresults = 0;
	result->outtimelimit = OSP_DEF_TIMELIMIT;

	if ((res = osp_create_transaction(provider, &result->outhandle, sizeof(source), source)) <= 0) {
		ast_log(LOG_DEBUG, "OSP: Unable to generate transaction handle\n");
		result->outhandle = OSP_INVALID_HANDLE;
		if (result->inhandle != OSP_INVALID_HANDLE) {
			OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NORMAL_UNSPECIFIED);
		}
		return -1;
	}

	result->numresults = OSP_DEF_DESTINATIONS;
	error = OSPPTransactionRequestAuthorisation(result->outhandle, source, srcdev, calling ? calling : "",
			OSPC_E164, called, OSPC_E164, NULL, 0, NULL, NULL, &result->numresults, &dummy, NULL);
	if (error != OSPC_ERR_NO_ERROR) {
		ast_log(LOG_DEBUG, "OSP: Unable to request authorization\n");
		result->numresults = 0;
		if (result->inhandle != OSP_INVALID_HANDLE) {
			OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NORMAL_UNSPECIFIED);
		}
		return -1;
	}

	if (!result->numresults) {
		ast_log(LOG_DEBUG, "OSP: No more destination\n");
		if (result->inhandle != OSP_INVALID_HANDLE) {
			OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NO_ROUTE_TO_DEST);
		}
		return 0;
	}

	callidlen = sizeof(callid);
	tokenlen = sizeof(token);
	error = OSPPTransactionGetFirstDestination(result->outhandle, 0, NULL, NULL, &result->outtimelimit, &callidlen, callid,
			sizeof(callednum), callednum, sizeof(callingnum), callingnum, sizeof(destination), destination, 0, NULL, &tokenlen, token);
	if (error != OSPC_ERR_NO_ERROR) {
		ast_log(LOG_DEBUG, "OSP: Unable to get first route\n");
		result->numresults = 0;
		result->outtimelimit = OSP_DEF_TIMELIMIT;
		if (result->inhandle != OSP_INVALID_HANDLE) {
			OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NO_ROUTE_TO_DEST);
		}
		return -1;
	}

	result->numresults--;
	result->outtimelimit = osp_choose_timelimit(result->intimelimit, result->outtimelimit);
	ast_log(LOG_DEBUG, "OSP: outtimelimit '%d'\n", result->outtimelimit);
	ast_log(LOG_DEBUG, "OSP: called '%s'\n", callednum);
	ast_log(LOG_DEBUG, "OSP: calling '%s'\n", callingnum);
	ast_log(LOG_DEBUG, "OSP: destination '%s'\n", destination);
	ast_log(LOG_DEBUG, "OSP: token size '%d'\n", tokenlen);

	if ((res = osp_check_destination(callednum, callingnum, destination, tokenlen, token, &reason, result)) > 0) {
		return 1;
	}

	if (!result->numresults) {
		ast_log(LOG_DEBUG, "OSP: No more destination\n");
		result->outtimelimit = OSP_DEF_TIMELIMIT;
		OSPPTransactionRecordFailure(result->outhandle, reason);
		if (result->inhandle != OSP_INVALID_HANDLE) {
			OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NO_ROUTE_TO_DEST);
		}
		return 0;
	}

	while(result->numresults) {
		callidlen = sizeof(callid);
		tokenlen = sizeof(token);
		error = OSPPTransactionGetNextDestination(result->outhandle, reason, 0, NULL, NULL, &result->outtimelimit, &callidlen, callid,
				sizeof(callednum), callednum, sizeof(callingnum), callingnum, sizeof(destination), destination, 0, NULL, &tokenlen, token);
		if (error == OSPC_ERR_NO_ERROR) {
			result->numresults--;
			result->outtimelimit = osp_choose_timelimit(result->intimelimit, result->outtimelimit);
			ast_log(LOG_DEBUG, "OSP: outtimelimit '%d'\n", result->outtimelimit);
			ast_log(LOG_DEBUG, "OSP: called '%s'\n", callednum);
			ast_log(LOG_DEBUG, "OSP: calling '%s'\n", callingnum);
			ast_log(LOG_DEBUG, "OSP: destination '%s'\n", destination);
			ast_log(LOG_DEBUG, "OSP: token size '%d'\n", tokenlen);
			if ((res = osp_check_destination(callednum, callingnum, destination, tokenlen, token, &reason, result)) > 0) {
				break;
			} else if (!result->numresults) {
				ast_log(LOG_DEBUG, "OSP: No more destination\n");
				OSPPTransactionRecordFailure(result->outhandle, reason);
				if (result->inhandle != OSP_INVALID_HANDLE) {
					OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NO_ROUTE_TO_DEST);
				}
				res = 0;
				break;
			}
		} else {
			ast_log(LOG_DEBUG, "OSP: Unable to get route, error '%d'\n", error);
			result->numresults = 0;
			result->outtimelimit = OSP_DEF_TIMELIMIT;
			if (result->inhandle != OSP_INVALID_HANDLE) {
				OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NORMAL_UNSPECIFIED);
			}
			res = -1;
			break;
		}
	}
	return res;
}

/*!
 * \brief OSP Lookup Next function
 * \param cause Asterisk hangup cuase
 * \param result Lookup results, in/output
 * \return 1 Found , 0 No route, -1 Error
 */
static int osp_next(int cause, struct osp_result* result)
{
	int res;
	unsigned int callidlen;
	char callid[OSPC_CALLID_MAXSIZE];
	char callingnum[OSP_NORSTR_SIZE];
	char callednum[OSP_NORSTR_SIZE];
	char destination[OSP_NORSTR_SIZE];
	unsigned int tokenlen;
	char token[OSP_TOKSTR_SIZE];
	enum OSPEFAILREASON reason;
	int error;

	result->tech[0] = '\0';
	result->dest[0] = '\0';
	result->calling[0] = '\0';
	result->token[0] = '\0';
	result->outtimelimit = OSP_DEF_TIMELIMIT;

	if (result->outhandle == OSP_INVALID_HANDLE) {
		ast_log(LOG_DEBUG, "OSP: Transaction handle undefined\n");
		result->numresults = 0;
		if (result->inhandle != OSP_INVALID_HANDLE) {
			OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NORMAL_UNSPECIFIED);
		}
		return -1;
	}

	reason = asterisk2osp(cause);

	if (!result->numresults) {
		ast_log(LOG_DEBUG, "OSP: No more destination\n");
		OSPPTransactionRecordFailure(result->outhandle, reason);
		if (result->inhandle != OSP_INVALID_HANDLE) {
			OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NO_ROUTE_TO_DEST);
		}
		return 0;
	}

	while(result->numresults) {
		callidlen = sizeof(callid);
		tokenlen = sizeof(token);
		error = OSPPTransactionGetNextDestination(result->outhandle, reason, 0, NULL, NULL, &result->outtimelimit, &callidlen,
				callid, sizeof(callednum), callednum, sizeof(callingnum), callingnum, sizeof(destination), destination, 0, NULL, &tokenlen, token);
		if (error == OSPC_ERR_NO_ERROR) {
			result->numresults--;
			result->outtimelimit = osp_choose_timelimit(result->intimelimit, result->outtimelimit);
			ast_log(LOG_DEBUG, "OSP: outtimelimit '%d'\n", result->outtimelimit);
			ast_log(LOG_DEBUG, "OSP: called '%s'\n", callednum);
			ast_log(LOG_DEBUG, "OSP: calling '%s'\n", callingnum);
			ast_log(LOG_DEBUG, "OSP: destination '%s'\n", destination);
			ast_log(LOG_DEBUG, "OSP: token size '%d'\n", tokenlen);
			if ((res = osp_check_destination(callednum, callingnum, destination, tokenlen, token, &reason, result)) > 0) {
				res = 1;
				break;
			} else if (!result->numresults) {
				ast_log(LOG_DEBUG, "OSP: No more destination\n");
				OSPPTransactionRecordFailure(result->outhandle, reason);
				if (result->inhandle != OSP_INVALID_HANDLE) {
					OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NO_ROUTE_TO_DEST);
				}
				res = 0;
				break;
			}
		} else {
			ast_log(LOG_DEBUG, "OSP: Unable to get route, error '%d'\n", error);
			result->token[0] = '\0';
			result->numresults = 0;
			result->outtimelimit = OSP_DEF_TIMELIMIT;
			if (result->inhandle != OSP_INVALID_HANDLE) {
				OSPPTransactionRecordFailure(result->inhandle, OSPC_FAIL_NORMAL_UNSPECIFIED);
			}
			res = -1;
			break;
		}
	}

	return res;
}

/*!
 * \brief OSP Finish function
 * \param handle OSP in/outbound transaction handle
 * \param recorded If failure reason has been recorded
 * \param cause Asterisk hangup cause
 * \param start Call start time
 * \param connect Call connect time
 * \param end Call end time
 * \param release Who release first, 0 source, 1 destination
 * \return 1 Success, 0 Failed, -1 Error
 */
static int osp_finish(int handle, int recorded, int cause, time_t start, time_t connect, time_t end, unsigned int release)
{
	int res;
	enum OSPEFAILREASON reason;
	time_t alert = 0;
	unsigned isPddInfoPresent = 0;
	unsigned pdd = 0;
	unsigned int dummy = 0;
	int error;
	
	if (handle == OSP_INVALID_HANDLE) {
		return 0;
	}

	if (!recorded) {
		reason = asterisk2osp(cause);
		OSPPTransactionRecordFailure(handle, reason);
	}

	error = OSPPTransactionReportUsage(handle, difftime(end, connect), start, end, alert, connect, isPddInfoPresent, pdd,
						release, (unsigned char *) "", 0, 0, 0, 0, &dummy, NULL);
	if (error == OSPC_ERR_NO_ERROR) {
		ast_log(LOG_DEBUG, "OSP: Usage reported\n");
		res = 1;
	} else {
		ast_log(LOG_DEBUG, "OSP: Unable to report usage, error '%d'\n", error);
		res = -1;
	}
	OSPPTransactionDelete(handle);

	return res;
}

/* OSP Application APIs */

/*!
 * \brief OSP Application OSPAuth
 * \param chan Channel
 * \param data Parameter
 * \return 0 Success, -1 Failed
 */
static int ospauth_exec(struct ast_channel* chan, void* data)
{
	int res;
	struct ast_module_user *u;
	const char* provider = OSP_DEF_PROVIDER;
	int priority_jump = 0;
	struct varshead *headp;
	struct ast_var_t *current;
	const char *source = "";
	const char *token = "";
	int handle;
	unsigned int timelimit;
	char buffer[OSP_INTSTR_SIZE];
	const char *status;
	char *tmp;

	AST_DECLARE_APP_ARGS(args,
		AST_APP_ARG(provider);
		AST_APP_ARG(options);
	);

	u = ast_module_user_add(chan);

	if (!(tmp = ast_strdupa(data))) {
		ast_log(LOG_ERROR, "Out of memory\n");
		ast_module_user_remove(u);
		return -1;
	}

	AST_STANDARD_APP_ARGS(args, tmp);

	if (!ast_strlen_zero(args.provider)) {
		provider = args.provider;
	}
	ast_log(LOG_DEBUG, "OSPAuth: provider '%s'\n", provider);

	if ((args.options) && (strchr(args.options, 'j'))) {
		priority_jump = 1;
	}
	ast_log(LOG_DEBUG, "OSPAuth: priority jump '%d'\n", priority_jump);

	headp = &chan->varshead;
	AST_LIST_TRAVERSE(headp, current, entries) {
		if (!strcasecmp(ast_var_name(current), "OSPPEERIP")) {
			source = ast_var_value(current);
		} else if (!strcasecmp(ast_var_name(current), "OSPINTOKEN")) {
			token = ast_var_value(current);
		}
	}
	ast_log(LOG_DEBUG, "OSPAuth: source '%s'\n", source);
	ast_log(LOG_DEBUG, "OSPAuth: token size '%zd'\n", strlen(token));

	
	if ((res = osp_auth(provider, &handle, source, chan->cid.cid_num, chan->exten, token, &timelimit)) > 0) {
		status = AST_OSP_SUCCESS;
	} else {
		timelimit = OSP_DEF_TIMELIMIT;
		if (!res) {
			status = AST_OSP_FAILED;
		} else {
			status = AST_OSP_ERROR;
		}
	}

	snprintf(buffer, sizeof(buffer), "%d", handle);
	pbx_builtin_setvar_helper(chan, "OSPINHANDLE", buffer);
	ast_log(LOG_DEBUG, "OSPAuth: OSPINHANDLE '%s'\n", buffer);
	snprintf(buffer, sizeof(buffer), "%d", timelimit);
	pbx_builtin_setvar_helper(chan, "OSPINTIMELIMIT", buffer);
	ast_log(LOG_DEBUG, "OSPAuth: OSPINTIMELIMIT '%s'\n", buffer);
	pbx_builtin_setvar_helper(chan, "OSPAUTHSTATUS", status);
	ast_log(LOG_DEBUG, "OSPAuth: %s\n", status);

	if(res <= 0) {
		if (priority_jump || ast_opt_priority_jumping) {
			ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
			res = 0;
		} else {
			res = -1;
		}
	} else {
		res = 0;
	}

	ast_module_user_remove(u);

	return res;
}

/*!
 * \brief OSP Application OSPLookup
 * \param chan Channel
 * \param data Parameter
 * \return 0 Success, -1 Failed
 */
static int osplookup_exec(struct ast_channel* chan, void* data)
{
	int res, cres;
	struct ast_module_user *u;
	const char *provider = OSP_DEF_PROVIDER;
	int priority_jump = 0;
	struct varshead *headp;
	struct ast_var_t* current;
	const char *srcdev = "";
	char buffer[OSP_TOKSTR_SIZE];
	struct osp_result result;
	const char *status;
	char *tmp;

	AST_DECLARE_APP_ARGS(args,
		AST_APP_ARG(exten);
		AST_APP_ARG(provider);
		AST_APP_ARG(options);
	);
	
	if (ast_strlen_zero(data)) {
		ast_log(LOG_WARNING, "OSPLookup: Arg required, OSPLookup(exten[|provider[|options]])\n");
		return -1;
	}

	u = ast_module_user_add(chan);

	if (!(tmp = ast_strdupa(data))) {
		ast_log(LOG_ERROR, "Out of memory\n");
		ast_module_user_remove(u);
		return -1;
	}

	AST_STANDARD_APP_ARGS(args, tmp);

	ast_log(LOG_DEBUG, "OSPLookup: exten '%s'\n", args.exten);

	if (!ast_strlen_zero(args.provider)) {
		provider = args.provider;
	}
	ast_log(LOG_DEBUG, "OSPlookup: provider '%s'\n", provider);

	if ((args.options) && (strchr(args.options, 'j'))) {
		priority_jump = 1;
	}
	ast_log(LOG_DEBUG, "OSPLookup: priority jump '%d'\n", priority_jump);

	result.inhandle = OSP_INVALID_HANDLE;
	result.intimelimit = OSP_DEF_TIMELIMIT;

	headp = &chan->varshead;
	AST_LIST_TRAVERSE(headp, current, entries) {
		if (!strcasecmp(ast_var_name(current), "OSPINHANDLE")) {
			if (sscanf(ast_var_value(current), "%d", &result.inhandle) != 1) {
				result.inhandle = OSP_INVALID_HANDLE;
			}
		} else if (!strcasecmp(ast_var_name(current), "OSPINTIMELIMIT")) {
			if (sscanf(ast_var_value(current), "%d", &result.intimelimit) != 1) {
				result.intimelimit = OSP_DEF_TIMELIMIT;
			}
		} else if (!strcasecmp(ast_var_name(current), "OSPPEERIP")) {
			srcdev = ast_var_value(current);
		}
	}
	ast_log(LOG_DEBUG, "OSPLookup: OSPINHANDLE '%d'\n", result.inhandle);
	ast_log(LOG_DEBUG, "OSPLookup: OSPINTIMELIMIT '%d'\n", result.intimelimit);
	ast_log(LOG_DEBUG, "OSPLookup: source device '%s'\n", srcdev);
	
	if ((cres = ast_autoservice_start(chan)) < 0) {
		ast_module_user_remove(u);
		return -1;
	}

	if ((res = osp_lookup(provider, srcdev, chan->cid.cid_num, args.exten, &result)) > 0) {
		status = AST_OSP_SUCCESS;
	} else {
		result.tech[0] = '\0';
		result.dest[0] = '\0';
		result.calling[0] = '\0';
		result.token[0] = '\0'; 
		result.numresults = 0;
		result.outtimelimit = OSP_DEF_TIMELIMIT;
		if (!res) {
			status = AST_OSP_FAILED;
		} else {
			status = AST_OSP_ERROR;
		}
	}

	snprintf(buffer, sizeof(buffer), "%d", result.outhandle);
	pbx_builtin_setvar_helper(chan, "OSPOUTHANDLE", buffer);
	ast_log(LOG_DEBUG, "OSPLookup: OSPOUTHANDLE '%s'\n", buffer);
	pbx_builtin_setvar_helper(chan, "OSPTECH", result.tech);
	ast_log(LOG_DEBUG, "OSPLookup: OSPTECH '%s'\n", result.tech);
	pbx_builtin_setvar_helper(chan, "OSPDEST", result.dest);
	ast_log(LOG_DEBUG, "OSPLookup: OSPDEST '%s'\n", result.dest);
	pbx_builtin_setvar_helper(chan, "OSPCALLING", result.calling);
	ast_log(LOG_DEBUG, "OSPLookup: OSPCALLING '%s'\n", result.calling);
	pbx_builtin_setvar_helper(chan, "OSPOUTTOKEN", result.token);
	ast_log(LOG_DEBUG, "OSPLookup: OSPOUTTOKEN size '%zd'\n", strlen(result.token));
	snprintf(buffer, sizeof(buffer), "%d", result.numresults);
	pbx_builtin_setvar_helper(chan, "OSPRESULTS", buffer);
	ast_log(LOG_DEBUG, "OSPLookup: OSPRESULTS '%s'\n", buffer);
	snprintf(buffer, sizeof(buffer), "%d", result.outtimelimit);
	pbx_builtin_setvar_helper(chan, "OSPOUTTIMELIMIT", buffer);
	ast_log(LOG_DEBUG, "OSPLookup: OSPOUTTIMELIMIT '%s'\n", buffer);
	pbx_builtin_setvar_helper(chan, "OSPLOOKUPSTATUS", status);
	ast_log(LOG_DEBUG, "OSPLookup: %s\n", status);

	if (!strcasecmp(result.tech, "SIP")) {
		if (!ast_strlen_zero(result.token)) {
			snprintf(buffer, sizeof(buffer), "P-OSP-Auth-Token: %s", result.token);
			pbx_builtin_setvar_helper(chan, "_SIPADDHEADER", buffer);
			ast_log(LOG_DEBUG, "OSPLookup: SIPADDHEADER size '%zd'\n", strlen(buffer));
		}
	} else if (!strcasecmp(result.tech, "H323")) {
	} else if (!strcasecmp(result.tech, "IAX")) {
	}

	if ((cres = ast_autoservice_stop(chan)) < 0) {
		ast_module_user_remove(u);
		return -1;
	}

	if(res <= 0) {
		if (priority_jump || ast_opt_priority_jumping) {
			ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
			res = 0;
		} else {
			res = -1;
		}
	} else {
		res = 0;
	}

	ast_module_user_remove(u);

	return res;
}

/*!
 * \brief OSP Application OSPNext
 * \param chan Channel
 * \param data Parameter
 * \return 0 Success, -1 Failed
 */
static int ospnext_exec(struct ast_channel* chan, void* data)
{
	int res;
	struct ast_module_user *u;
	int priority_jump = 0;
	int cause = 0;
	struct varshead* headp;
	struct ast_var_t* current;
	struct osp_result result;
	char buffer[OSP_TOKSTR_SIZE];
	const char* status;
	char* tmp;

	AST_DECLARE_APP_ARGS(args,
		AST_APP_ARG(cause);
		AST_APP_ARG(options);
	);
	
	if (ast_strlen_zero(data)) {
		ast_log(LOG_WARNING, "OSPNext: Arg required, OSPNext(cause[|options])\n");
		return -1;
	}

	u = ast_module_user_add(chan);

	if (!(tmp = ast_strdupa(data))) {
		ast_log(LOG_ERROR, "Out of memory\n");
		ast_module_user_remove(u);
		return -1;
	}

	AST_STANDARD_APP_ARGS(args, tmp);

	if (!ast_strlen_zero(args.cause) && sscanf(args.cause, "%d", &cause) != 1) {
		cause = 0;
	}
	ast_log(LOG_DEBUG, "OSPNext: cause '%d'\n", cause);

	if ((args.options) && (strchr(args.options, 'j'))) {
		priority_jump = 1;
	}
	ast_log(LOG_DEBUG, "OSPNext: priority jump '%d'\n", priority_jump);

	result.inhandle = OSP_INVALID_HANDLE;
	result.outhandle = OSP_INVALID_HANDLE;
	result.intimelimit = OSP_DEF_TIMELIMIT;
	result.numresults = 0;

	headp = &chan->varshead;
	AST_LIST_TRAVERSE(headp, current, entries) {
		if (!strcasecmp(ast_var_name(current), "OSPINHANDLE")) {
			if (sscanf(ast_var_value(current), "%d", &result.inhandle) != 1) {
				result.inhandle = OSP_INVALID_HANDLE;
			}
		} else if (!strcasecmp(ast_var_name(current), "OSPOUTHANDLE")) {
			if (sscanf(ast_var_value(current), "%d", &result.outhandle) != 1) {
				result.outhandle = OSP_INVALID_HANDLE;
			}
		} else if (!strcasecmp(ast_var_name(current), "OSPINTIMELIMIT")) {
			if (sscanf(ast_var_value(current), "%d", &result.intimelimit) != 1) {
				result.intimelimit = OSP_DEF_TIMELIMIT;
			}
		} else if (!strcasecmp(ast_var_name(current), "OSPRESULTS")) {
			if (sscanf(ast_var_value(current), "%d", &result.numresults) != 1) {
				result.numresults = 0;
			}
		}
	}
	ast_log(LOG_DEBUG, "OSPNext: OSPINHANDLE '%d'\n", result.inhandle);
	ast_log(LOG_DEBUG, "OSPNext: OSPOUTHANDLE '%d'\n", result.outhandle);
	ast_log(LOG_DEBUG, "OSPNext: OSPINTIMELIMIT '%d'\n", result.intimelimit);
	ast_log(LOG_DEBUG, "OSPNext: OSPRESULTS '%d'\n", result.numresults);

	if ((res = osp_next(cause, &result)) > 0) {
		status = AST_OSP_SUCCESS;
	} else {
		result.tech[0] = '\0';
		result.dest[0] = '\0';
		result.calling[0] = '\0';
		result.token[0] = '\0'; 
		result.numresults = 0;
		result.outtimelimit = OSP_DEF_TIMELIMIT;
		if (!res) {
			status = AST_OSP_FAILED;
		} else {
			status = AST_OSP_ERROR;
		}
	}

	pbx_builtin_setvar_helper(chan, "OSPTECH", result.tech);
	ast_log(LOG_DEBUG, "OSPNext: OSPTECH '%s'\n", result.tech);
	pbx_builtin_setvar_helper(chan, "OSPDEST", result.dest);
	ast_log(LOG_DEBUG, "OSPNext: OSPDEST '%s'\n", result.dest);
	pbx_builtin_setvar_helper(chan, "OSPCALLING", result.calling);
	ast_log(LOG_DEBUG, "OSPNext: OSPCALLING '%s'\n", result.calling);
	pbx_builtin_setvar_helper(chan, "OSPOUTTOKEN", result.token);
	ast_log(LOG_DEBUG, "OSPNext: OSPOUTTOKEN size '%zd'\n", strlen(result.token));
	snprintf(buffer, sizeof(buffer), "%d", result.numresults);
	pbx_builtin_setvar_helper(chan, "OSPRESULTS", buffer);
	ast_log(LOG_DEBUG, "OSPNext: OSPRESULTS '%s'\n", buffer);
	snprintf(buffer, sizeof(buffer), "%d", result.outtimelimit);
	pbx_builtin_setvar_helper(chan, "OSPOUTTIMELIMIT", buffer);
	ast_log(LOG_DEBUG, "OSPNext: OSPOUTTIMELIMIT '%s'\n", buffer);
	pbx_builtin_setvar_helper(chan, "OSPNEXTSTATUS", status);
	ast_log(LOG_DEBUG, "OSPNext: %s\n", status);

	if (!strcasecmp(result.tech, "SIP")) {
		if (!ast_strlen_zero(result.token)) {
			snprintf(buffer, sizeof(buffer), "P-OSP-Auth-Token: %s", result.token);
			pbx_builtin_setvar_helper(chan, "_SIPADDHEADER", buffer);
			ast_log(LOG_DEBUG, "OSPLookup: SIPADDHEADER size '%zd'\n", strlen(buffer));
		}
	} else if (!strcasecmp(result.tech, "H323")) {
	} else if (!strcasecmp(result.tech, "IAX")) {
	}

	if(res <= 0) {
		if (priority_jump || ast_opt_priority_jumping) {
			ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
			res = 0;
		} else {
			res = -1;
		}
	} else {
		res = 0;
	}

	ast_module_user_remove(u);

	return res;
}

/*!
 * \brief OSP Application OSPFinish
 * \param chan Channel
 * \param data Parameter
 * \return 0 Success, -1 Failed
 */
static int ospfinished_exec(struct ast_channel* chan, void* data)
{
	int res = 1;
	struct ast_module_user *u;
	int priority_jump = 0;
	int cause = 0;
	struct varshead *headp;
	struct ast_var_t *current;
	int inhandle = OSP_INVALID_HANDLE;
	int outhandle = OSP_INVALID_HANDLE;
	int recorded = 0;
	time_t start, connect, end;
	unsigned int release;
	char buffer[OSP_INTSTR_SIZE];
	const char *status;
	char *tmp;

	AST_DECLARE_APP_ARGS(args,
		AST_APP_ARG(cause);
		AST_APP_ARG(options);
	);
	
	u = ast_module_user_add(chan);

	if (!(tmp = ast_strdupa(data))) {
		ast_log(LOG_ERROR, "Out of memory\n");
		ast_module_user_remove(u);
		return -1;
	}

	AST_STANDARD_APP_ARGS(args, tmp);

	if ((args.options) && (strchr(args.options, 'j'))) {
		priority_jump = 1;
	}
	ast_log(LOG_DEBUG, "OSPFinish: priority jump '%d'\n", priority_jump);

	headp = &chan->varshead;
	AST_LIST_TRAVERSE(headp, current, entries) {
		if (!strcasecmp(ast_var_name(current), "OSPINHANDLE")) {
			if (sscanf(ast_var_value(current), "%d", &inhandle) != 1) {
				inhandle = OSP_INVALID_HANDLE;
			}
		} else if (!strcasecmp(ast_var_name(current), "OSPOUTHANDLE")) {
			if (sscanf(ast_var_value(current), "%d", &outhandle) != 1) {
				outhandle = OSP_INVALID_HANDLE;
			}
		} else if (!recorded &&
			(!strcasecmp(ast_var_name(current), "OSPAUTHSTATUS") ||
			!strcasecmp(ast_var_name(current), "OSPLOOKUPSTATUS") || 
			!strcasecmp(ast_var_name(current), "OSPNEXTSTATUS"))) 
		{
			if (strcasecmp(ast_var_value(current), AST_OSP_SUCCESS)) {
				recorded = 1;
			}
		}
	}
	ast_log(LOG_DEBUG, "OSPFinish: OSPINHANDLE '%d'\n", inhandle);
	ast_log(LOG_DEBUG, "OSPFinish: OSPOUTHANDLE '%d'\n", outhandle);
	ast_log(LOG_DEBUG, "OSPFinish: recorded '%d'\n", recorded);

	if (!ast_strlen_zero(args.cause) && sscanf(args.cause, "%d", &cause) != 1) {
		cause = 0;
	}
	ast_log(LOG_DEBUG, "OSPFinish: cause '%d'\n", cause);

	if (chan->cdr) {
		start = chan->cdr->start.tv_sec;
		connect = chan->cdr->answer.tv_sec;
		if (connect) {
			end = time(NULL);
		} else {
			end = connect;
		}
	} else {
		start = 0;
		connect = 0;
		end = 0;
	}
	ast_log(LOG_DEBUG, "OSPFinish: start '%ld'\n", start);
	ast_log(LOG_DEBUG, "OSPFinish: connect '%ld'\n", connect);
	ast_log(LOG_DEBUG, "OSPFinish: end '%ld'\n", end);

	release = chan->_softhangup ? 0 : 1;

	if (osp_finish(outhandle, recorded, cause, start, connect, end, release) <= 0) {
		ast_log(LOG_DEBUG, "OSPFinish: Unable to report usage for outbound call\n");
	}
	switch (cause) {
		case AST_CAUSE_NORMAL_CLEARING:
			break;
		default:
			cause = AST_CAUSE_NO_ROUTE_DESTINATION;
			break;
	}
	if (osp_finish(inhandle, recorded, cause, start, connect, end, release) <= 0) {
		ast_log(LOG_DEBUG, "OSPFinish: Unable to report usage for inbound call\n");
	}
	snprintf(buffer, sizeof(buffer), "%d", OSP_INVALID_HANDLE);
	pbx_builtin_setvar_helper(chan, "OSPOUTHANDLE", buffer);
	pbx_builtin_setvar_helper(chan, "OSPINHANDLE", buffer);

	if (res > 0) {
		status = AST_OSP_SUCCESS;
	} else if (!res) {
		status = AST_OSP_FAILED;
	} else {
		status = AST_OSP_ERROR;
	}
	pbx_builtin_setvar_helper(chan, "OSPFINISHSTATUS", status);

	if(!res) {
		if (priority_jump || ast_opt_priority_jumping) {
			ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
			res = 0;
		} else {
			res = -1;
		}
	} else {
		res = 0;
	}

	ast_module_user_remove(u);

	return res;
}

/* OSP Module APIs */

static int osp_load(void)
{
	char* t;
	unsigned int v;
	struct ast_config* cfg;
	int error = OSPC_ERR_NO_ERROR;

	cfg = ast_config_load(OSP_CONFIG_FILE);
	if (cfg) {
		t = ast_variable_retrieve(cfg, OSP_GENERAL_CAT, "accelerate");
		if (t && ast_true(t)) {
			if ((error = OSPPInit(1)) != OSPC_ERR_NO_ERROR) {
				ast_log(LOG_WARNING, "OSP: Unable to enable hardware accelleration\n");
				OSPPInit(0);
			} else {
				osp_hardware = 1;
			}
		} else {
			OSPPInit(0);
		}
		ast_log(LOG_DEBUG, "OSP: osp_hardware '%d'\n", osp_hardware);

		t = ast_variable_retrieve(cfg, OSP_GENERAL_CAT, "tokenformat");
		if (t) {
			if ((sscanf(t, "%d", &v) == 1) && 
				((v == TOKEN_ALGO_SIGNED) || (v == TOKEN_ALGO_UNSIGNED) || (v == TOKEN_ALGO_BOTH))) 
			{
				osp_tokenformat = v;
			} else {
				ast_log(LOG_WARNING, "tokenformat should be an integer from %d, %d or %d, not '%s'\n", 
					TOKEN_ALGO_SIGNED, TOKEN_ALGO_UNSIGNED, TOKEN_ALGO_BOTH, t);
			}
		}
		ast_log(LOG_DEBUG, "OSP: osp_tokenformat '%d'\n", osp_tokenformat);

		t = ast_category_browse(cfg, NULL);
		while(t) {
			if (strcasecmp(t, OSP_GENERAL_CAT)) {
				osp_create_provider(cfg, t);
			}
			t = ast_category_browse(cfg, t);
		}

		osp_initialized = 1;

		ast_config_destroy(cfg);
	} else {
		ast_log(LOG_WARNING, "OSP: Unable to find configuration. OSP support disabled\n");
	}
	ast_log(LOG_DEBUG, "OSP: osp_initialized '%d'\n", osp_initialized);

	return 0;
}

static int osp_unload(void)
{
	struct osp_provider* p;
	struct osp_provider* next;

	if (osp_initialized) {
		ast_mutex_lock(&osplock);
		p = ospproviders;
		while(p) {
			next = p->next;
			OSPPProviderDelete(p->handle, 0);
			free(p);
			p = next;
		}
		ospproviders = NULL;
		ast_mutex_unlock(&osplock);

		OSPPCleanup();

		osp_tokenformat = TOKEN_ALGO_SIGNED;
		osp_hardware = 0;
		osp_initialized = 0;
	}
	return 0;
}

static int osp_show(int fd, int argc, char* argv[])
{
	int i;
	int found = 0;
	struct osp_provider* p;
	const char* provider = NULL;
	const char* tokenalgo;

	if ((argc < 2) || (argc > 3)) {
		return RESULT_SHOWUSAGE;
	}
	if (argc > 2) {
		provider = argv[2];
	}
	if (!provider) {
		switch (osp_tokenformat) {
			case TOKEN_ALGO_BOTH:
				tokenalgo = "Both";
				break;
			case TOKEN_ALGO_UNSIGNED:
				tokenalgo = "Unsigned";
				break;
			case TOKEN_ALGO_SIGNED:
			default:
				tokenalgo = "Signed";
				break;
		}
		ast_cli(fd, "OSP: %s %s %s\n", 
			osp_initialized ? "Initialized" : "Uninitialized", osp_hardware ? "Accelerated" : "Normal", tokenalgo);
	}

	ast_mutex_lock(&osplock);
	p = ospproviders;
	while(p) {
		if (!provider || !strcasecmp(p->name, provider)) {
			if (found) {
				ast_cli(fd, "\n");
			}
			ast_cli(fd, " == OSP Provider '%s' == \n", p->name);
			ast_cli(fd, "Local Private Key: %s\n", p->privatekey);
			ast_cli(fd, "Local Certificate: %s\n", p->localcert);
			for (i = 0; i < p->cacount; i++) {
				ast_cli(fd, "CA Certificate %d:  %s\n", i + 1, p->cacerts[i]);
			}
			for (i = 0; i < p->spcount; i++) {
				ast_cli(fd, "Service Point %d:   %s\n", i + 1, p->srvpoints[i]);
			}
			ast_cli(fd, "Max Connections:   %d\n", p->maxconnections);
			ast_cli(fd, "Retry Delay:       %d seconds\n", p->retrydelay);
			ast_cli(fd, "Retry Limit:       %d\n", p->retrylimit);
			ast_cli(fd, "Timeout:           %d milliseconds\n", p->timeout);
			ast_cli(fd, "Source:            %s\n", strlen(p->source) ? p->source : "<unspecified>");
			ast_cli(fd, "Auth Policy        %d\n", p->authpolicy);
			ast_cli(fd, "OSP Handle:        %d\n", p->handle);
			found++;
		}
		p = p->next;
	}
	ast_mutex_unlock(&osplock);

	if (!found) {
		if (provider) {
			ast_cli(fd, "Unable to find OSP provider '%s'\n", provider);
		} else {
			ast_cli(fd, "No OSP providers configured\n");
		}
	}
	return RESULT_SUCCESS;
}

static const char* app1= "OSPAuth";
static const char* synopsis1 = "OSP authentication";
static const char* descrip1 = 
"  OSPAuth([provider[|options]]):  Authenticate a SIP INVITE by OSP and sets\n"
"the variables:\n"
" ${OSPINHANDLE}:  The inbound call transaction handle\n"
" ${OSPINTIMELIMIT}:  The inbound call duration limit in seconds\n"
"\n"
"The option string may contain the following character:\n"
"	'j' -- jump to n+101 priority if the authentication was NOT successful\n"
"This application sets the following channel variable upon completion:\n"
"	OSPAUTHSTATUS	The status of the OSP Auth attempt as a text string, one of\n"
"		SUCCESS | FAILED | ERROR\n";

static const char* app2= "OSPLookup";
static const char* synopsis2 = "Lookup destination by OSP";
static const char* descrip2 = 
"  OSPLookup(exten[|provider[|options]]):  Looks up an extension via OSP and sets\n"
"the variables, where 'n' is the number of the result beginning with 1:\n"
" ${OSPOUTHANDLE}:  The OSP Handle for anything remaining\n"
" ${OSPTECH}:  The technology to use for the call\n"
" ${OSPDEST}:  The destination to use for the call\n"
" ${OSPCALLING}:  The calling number to use for the call\n"
" ${OSPOUTTOKEN}:  The actual OSP token as a string\n"
" ${OSPOUTTIMELIMIT}:  The outbound call duration limit in seconds\n"
" ${OSPRESULTS}:  The number of OSP results total remaining\n"
"\n"
"The option string may contain the following character:\n"
"	'j' -- jump to n+101 priority if the lookup was NOT successful\n"
"This application sets the following channel variable upon completion:\n"
"	OSPLOOKUPSTATUS	The status of the OSP Lookup attempt as a text string, one of\n"
"		SUCCESS | FAILED | ERROR\n";

static const char* app3 = "OSPNext";
static const char* synopsis3 = "Lookup next destination by OSP";
static const char* descrip3 = 
"  OSPNext(cause[|options]):  Looks up the next OSP Destination for ${OSPOUTHANDLE}\n"
"See OSPLookup for more information\n"
"\n"
"The option string may contain the following character:\n"
"	'j' -- jump to n+101 priority if the lookup was NOT successful\n"
"This application sets the following channel variable upon completion:\n"
"	OSPNEXTSTATUS	The status of the OSP Next attempt as a text string, one of\n"
"		SUCCESS | FAILED |ERROR\n";

static const char* app4 = "OSPFinish";
static const char* synopsis4 = "Record OSP entry";
static const char* descrip4 = 
"  OSPFinish([status[|options]]):  Records call state for ${OSPINHANDLE}, according to\n"
"status, which should be one of BUSY, CONGESTION, ANSWER, NOANSWER, or CHANUNAVAIL\n"
"or coincidentally, just what the Dial application stores in its ${DIALSTATUS}.\n"
"\n"
"The option string may contain the following character:\n"
"	'j' -- jump to n+101 priority if the finish attempt was NOT successful\n"
"This application sets the following channel variable upon completion:\n"
"	OSPFINISHSTATUS	The status of the OSP Finish attempt as a text string, one of\n"
"		SUCCESS | FAILED |ERROR \n";

static const char osp_usage[] =
"Usage: osp show\n"
"       Displays information on Open Settlement Protocol support\n";

static struct ast_cli_entry osp_cli = {
	{"osp", "show", NULL}, 
	osp_show, 
	"Displays OSP information", 
	osp_usage 
};

static int load_module(void)
{
	int res;
	
	osp_load();
	res = ast_cli_register(&osp_cli);
	res |= ast_register_application(app1, ospauth_exec, synopsis1, descrip1);
	res |= ast_register_application(app2, osplookup_exec, synopsis2, descrip2);
	res |= ast_register_application(app3, ospnext_exec, synopsis3, descrip3);
	res |= ast_register_application(app4, ospfinished_exec, synopsis4, descrip4);

	return res;
}

static int unload_module(void)
{
	int res;
	
	res = ast_unregister_application(app4);
	res |= ast_unregister_application(app3);
	res |= ast_unregister_application(app2);
	res |= ast_unregister_application(app1);
	res |= ast_cli_unregister(&osp_cli);
	osp_unload();

	ast_module_user_hangup_all();

	return res;
}

static int reload(void)
{
	osp_unload();
	osp_load();

	return 0;
}

AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Open Settlement Protocol Applications",
		.load = load_module,
		.unload = unload_module,
		.reload = reload,
		);