aboutsummaryrefslogtreecommitdiffstats
path: root/epan/dissectors/packet-dcom-sysact.c
blob: 48158d0e911c2c2c7e75cf5b1b69584f76d058c8 (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
/* packet-dcom-sysact.c
 * Routines for the ISystemActivator interface
 * Copyright 2004, Jelmer Vernooij <jelmer@samba.org>
 * Copyright 2012, Litao Gao <ltgao@juniper.net>
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "config.h"

#include <epan/packet.h>
#include "packet-dcerpc.h"
#include "packet-dcom.h"

void proto_register_ISystemActivator(void);
void proto_reg_handoff_ISystemActivator(void);

static int proto_ISystemActivator = -1;

static gint ett_isystemactivator = -1;
static int hf_opnum = -1;
static int hf_sysact_actproperties = -1;
/* static int hf_sysact_unknown = -1; */

static gint ett_actproperties = -1;
static int hf_sysact_totalsize = -1;
static int hf_sysact_res = -1;

static gint ett_commonheader = -1;
static gint ett_propguids = -1;
static gint ett_properties = -1;
static int hf_sysact_customhdrsize = -1;
static int hf_sysact_dstctx = -1;
static int hf_sysact_actpropnumber = -1;
static int hf_sysact_actpropclsinfoid = -1;
/* static int hf_sysact_actpropclsids = -1; */
static int hf_sysact_actpropclsid = -1;
/* static int hf_sysact_actpropsizes = -1; */
static int hf_sysact_actpropsize = -1;


static gint ett_dcom_spclsysprop = -1;
static gint ett_dcom_reserved = -1;
static int hf_sysact_spsysprop_sid = -1;
static int hf_sysact_spsysprop_remotethissid = -1;
static int hf_sysact_spsysprop_cltimpersonating = -1;
static int hf_sysact_spsysprop_partitionid = -1;
static int hf_sysact_spsysprop_defauthlvl = -1;
static int hf_sysact_spsysprop_partition = -1;
static int hf_sysact_spsysprop_procrqstflgs = -1;
static int hf_sysact_spsysprop_origclsctx = -1;
static int hf_sysact_spsysprop_flags = -1;
/* static int hf_sysact_spsysprop_procid = -1; */
/* static int hf_sysact_spsysprop_hwnd = -1; */

static gint ett_dcom_instantianinfo = -1;
static int hf_sysact_instninfo_clsid = -1;
static int hf_sysact_instninfo_clsctx = -1;
static int hf_sysact_instninfo_actflags = -1;
static int hf_sysact_instninfo_issurrogate = -1;
static int hf_sysact_instninfo_iidcount = -1;
static int hf_sysact_instninfo_instflags = -1;
static int hf_sysact_instninfo_entiresize = -1;
static int hf_sysact_instninfo_iid = -1;

static gint ett_dcom_actctxinfo = -1;
static int hf_sysact_actctxinfo_cltok = -1;
static int hf_sysact_context = -1;

static gint ett_dcom_context = -1;
static int hf_sysact_ctx_id = -1;
static int hf_sysact_ctx_flags = -1;
static int hf_sysact_ctx_res = -1;
static int hf_sysact_ctx_numextents = -1;
static int hf_sysact_ctx_extentscnt = -1;
static int hf_sysact_ctx_mashflags = -1;
static int hf_sysact_ctx_count = -1;
static int hf_sysact_ctx_frozen = -1;

static gint ett_dcom_securityinfo = -1;
static int hf_sysact_si_authflalgs = -1;
static int hf_sysact_si_ci_res = -1;
static int hf_sysact_si_ci_string = -1;
static int hf_sysact_si_serverinfo = -1;

static gint ett_dcom_locationinfo = -1;
static int hf_sysact_li_string = -1;
static int hf_sysact_li_procid = -1;
static int hf_sysact_li_apartid = -1;
static int hf_sysact_li_ctxid = -1;

static gint ett_dcom_scmrqstinfo = -1;
static gint ett_dcom_rmtrqst = -1;

static int hf_sysact_sri_cltimplvl = -1;
static int hf_sysact_sri_protseqnum = -1;
static int hf_sysact_sri_protseq = -1;

static gint ett_dcom_propsoutput = -1;
static int hf_sysact_pi_ifnum = -1;
static int hf_sysact_pi_retval = -1;
static int hf_sysact_pi_interf = -1;
static int hf_sysact_pi_iid = -1;

static gint ett_dcom_scmrespinfo = -1;
static gint ett_dcom_rmtresp = -1;
static gint ett_dcom_oxidbinding = -1;
static int hf_sysact_scmri_rmtunknid = -1;
static int hf_sysact_scmri_authhint = -1;
static int hf_sysact_scmri_binding = -1;
static int hf_sysact_scmri_oxid = -1;
static int hf_sysact_unused_buffer = -1;

static gint ett_typeszcommhdr = -1;
static gint ett_typeszprivhdr = -1;
static int hf_typeszch = -1;
static int hf_typeszph = -1;
static int hf_typesz_ver = -1;
static int hf_typesz_endianness = -1;
static int hf_typesz_commhdrlen = -1;
static int hf_typesz_filler = -1;
static int hf_typesz_buflen = -1;

static e_guid_t uuid_ISystemActivator = { 0x000001a0, 0x0000, 0x0000, { 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46 } };
static guint16  ver_ISystemActivator = 0;

/*static e_guid_t clsid_ActivationPropertiesIn = { 0x00000338, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };*/
/*static e_guid_t clsid_ActivationPropertiesOut = { 0x00000339, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };*/
static e_guid_t iid_ActivationPropertiesIn = { 0x000001a2, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };
static e_guid_t iid_ActivationPropertiesOut = { 0x000001a3, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };

static e_guid_t clsid_SpecialSystemProperties = { 0x000001b9, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };
static e_guid_t clsid_InstantiationInfo = { 0x000001ab, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };
static e_guid_t clsid_ActivationContextInfo = { 0x000001a5, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };
static e_guid_t clsid_ContextMarshaler = { 0x0000033b, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };
static e_guid_t clsid_SecurityInfo = { 0x000001a6, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };
static e_guid_t clsid_ServerLocationInfo = { 0x000001a4, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };
static e_guid_t clsid_ScmRequestInfo = { 0x000001aa, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };
static e_guid_t clsid_PropsOutInfo = { 0x00000339, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };
static e_guid_t clsid_ScmReplyInfo = { 0x000001b6, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };
/*static e_guid_t clsid_InstanceInfo = { 0x000001ad, 0x0000, 0x0000, { 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46} };*/


static const value_string instninfo_actflags[] = {
    { 0x00000002, "ACTVFLAGS_DISABLE_AAA" },
    { 0x00000004, "ACTVFLAGS_ACTIVATE_32_BIT_SERVER" },
    { 0x00000008, "ACTVFLAGS_ACTIVATE_64_BIT_SERVER" },
    { 0x00000020, "ACTVFLAGS_NO_FAILURE_LOG" },
    { 0,  NULL }
};

static const value_string boolean_flag_vals[] = {
    { 0x00000001, "TRUE" },
    { 0x00000000, "FALSE" },
    { 0,  NULL }
};

static const value_string dcom_context_flag_vals[] = {
    { 0x00000002, "MarshalByValue" },
    { 0,  NULL }
};

static const value_string ts_endian_vals[] = {
    { 0x10, "Little-endian" },
    { 0x00, "Big-endian" },
    { 0,  NULL }
};

/* MS-DCOM 2.2.28.1 */
#define MIN_ACTPROP_LIMIT 1
#define MAX_ACTPROP_LIMIT 10

typedef struct property_guids {
    e_guid_t guid[MAX_ACTPROP_LIMIT];
    guint32  size[MAX_ACTPROP_LIMIT];
    guint32  id_idx;
    guint32  size_idx;
} property_guids_t;

/* Type Serialization Version 1 */
static int
dissect_TypeSzCommPrivHdr(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    proto_item *sub_item;
    proto_tree *sub_tree;
    guint8 drep_tmp;
    guint8 endian = 0x10;
    gint   old_offset;

    /* Common Header use little endian */
    sub_item = proto_tree_add_item(tree, hf_typeszch, tvb, offset, 0, ENC_NA);
    sub_tree = proto_item_add_subtree(sub_item, ett_typeszcommhdr);

    old_offset = offset;
    offset = dissect_dcom_BYTE(tvb, offset, pinfo, sub_tree, di, drep,
            hf_typesz_ver, NULL);

    offset = dissect_dcom_BYTE(tvb, offset, pinfo, sub_tree, di, drep,
            hf_typesz_endianness, &endian);
    if (endian == 0x10)
        *drep = DREP_LITTLE_ENDIAN;
    else
        *drep &= ~DREP_LITTLE_ENDIAN;

    drep_tmp = DREP_LITTLE_ENDIAN;
    offset = dissect_dcom_WORD(tvb, offset, pinfo, sub_tree, di, &drep_tmp,
            hf_typesz_commhdrlen, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, &drep_tmp,
            hf_typesz_filler, NULL);
    proto_item_set_len(sub_item, offset - old_offset);

    /* Private Header */
    old_offset = offset;
    sub_item = proto_tree_add_item(tree, hf_typeszph, tvb, offset, 0, ENC_NA);
    sub_tree = proto_item_add_subtree(sub_item, ett_typeszprivhdr);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_typesz_buflen, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_typesz_filler, NULL);
    proto_item_set_len(sub_item, offset - old_offset);

    return offset;
}



static int
dissect_dcom_Property_Guid(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                            proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    property_guids_t *pg;

    pg = (property_guids_t*)di->private_data;

    if (pg->id_idx < MAX_ACTPROP_LIMIT) {
        offset = dissect_dcom_UUID(tvb, offset, pinfo, tree, di, drep,
                hf_sysact_actpropclsid, &pg->guid[pg->id_idx++]);
    }
    else {
        /* TODO: expert info */
        tvb_ensure_bytes_exist(tvb, offset, 16);
        offset += 16;
    }

    return offset;
}

static int
dissect_dcom_ActivationPropertiesCustomerHdr_PropertyGuids(tvbuff_t *tvb, gint offset,
        packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_ndr_ucarray(tvb, offset, pinfo, tree, di, drep, dissect_dcom_Property_Guid);
    return offset;
}

static int
dissect_dcom_Property_Size(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                            proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    property_guids_t *pg;

    pg = (property_guids_t*)di->private_data;

    if (pg->size_idx < MAX_ACTPROP_LIMIT) {
        offset = dissect_dcom_DWORD(tvb, offset, pinfo, tree, di, drep,
                hf_sysact_actpropsize, &pg->size[pg->size_idx++]);
    }
    else {
        /* TODO: expert info */
        tvb_ensure_bytes_exist(tvb, offset, 4);
        offset += 4;
    }

    return offset;
}

static int
dissect_dcom_ActivationPropertiesCustomerHdr_PropertySizes(tvbuff_t *tvb, gint offset,
        packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_ndr_ucarray(tvb, offset, pinfo, tree, di, drep, dissect_dcom_Property_Size);
    return offset;
}

static int
dissect_dcom_ActivationPropertiesCustomerHdr(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    guint32   u32TotalSize;
    guint32   u32CustomHdrSize;
    guint32   u32ActPropNumber;
    gint      old_offset;

    proto_item *sub_item;
    proto_tree *sub_tree;

    sub_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_commonheader, &sub_item, "CustomHeader");

    old_offset = offset;
    offset = dissect_TypeSzCommPrivHdr(tvb, offset, pinfo, sub_tree, di, drep);

    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_totalsize, &u32TotalSize);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_customhdrsize, &u32CustomHdrSize);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_res, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_dstctx, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_actpropnumber, &u32ActPropNumber);
    offset = dissect_dcom_UUID(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_actpropclsinfoid, NULL);

    /* ClsIdPtr, SizesPtr */
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_dcom_ActivationPropertiesCustomerHdr_PropertyGuids, NDR_POINTER_UNIQUE,
            "ClsIdPtr",hf_sysact_actpropclsid);
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_dcom_ActivationPropertiesCustomerHdr_PropertySizes, NDR_POINTER_UNIQUE,
            "ClsSizesPtr",hf_sysact_actpropclsid);
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            NULL, NDR_POINTER_UNIQUE, "OpaqueDataPtr: Pointer To NULL", 0);

    offset = dissect_deferred_pointers(pinfo, tvb, offset, di, drep);
    proto_item_set_len(sub_item, offset - old_offset);

    return offset;
}


static int
dissect_dcom_ActivationProperty(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep, e_guid_t *clsid, gint size)
{
    dcom_dissect_fn_t routine = NULL;

    /* the following data depends on the clsid, get the routine by clsid */
    routine = dcom_get_rountine_by_uuid(clsid);
    if (routine){
        offset = routine(tvb, offset, pinfo, tree, di, drep, size);
    }

    return offset;
}



static int
dissect_dcom_ActivationPropertiesBody(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    gint      old_offset;

    proto_item *sub_item;
    proto_tree *sub_tree;
    property_guids_t *pg;
    guint32 i;
    guint32 min_idx;

    pg = (property_guids_t*)di->private_data;

    if (pg->id_idx == pg->size_idx) {
        min_idx = pg->id_idx;
    }
    else {
        /* TODO: expert info */
        min_idx = MIN(pg->id_idx, pg->size_idx);
    }

    sub_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_properties, &sub_item, "Properties");

    old_offset = offset;
    for (i = 0; i < min_idx; i++) {
        offset = dissect_dcom_ActivationProperty(tvb, offset, pinfo, sub_tree, di, drep,
                                                    &pg->guid[i], pg->size[i]);
    }
    proto_item_set_len(sub_item, offset - old_offset);

    return offset;
}

static int
dissect_dcom_ActivationProperties(tvbuff_t *tvb, gint offset, packet_info *pinfo,
        proto_tree *tree, dcerpc_info *di, guint8 *drep, gint size _U_)
{
    proto_item *sub_item;
    proto_tree *sub_tree;
    property_guids_t *old_pg = NULL;

    guint32    u32TotalSize;
    guint32    u32Res;

    sub_item = proto_tree_add_item(tree, hf_sysact_actproperties, tvb, offset, 0, ENC_NA);
    sub_tree = proto_item_add_subtree(sub_item, ett_actproperties);

    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_totalsize, &u32TotalSize);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_res, &u32Res);

    old_pg = (property_guids_t*)di->private_data;
    di->private_data = wmem_new0(wmem_packet_scope(), property_guids_t);

    offset = dissect_dcom_ActivationPropertiesCustomerHdr(tvb, offset, pinfo, sub_tree, di, drep);
    offset = dissect_dcom_ActivationPropertiesBody(tvb, offset, pinfo, sub_tree, di, drep);

    di->private_data = old_pg;

    return offset;
}

static int
dissect_dcom_ContextMarshaler(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep, gint size _U_)
{
    proto_item  *sub_item;
    proto_tree  *sub_tree;
    gint        old_offset;

    guint32    u32Count;

    old_offset = offset;
    sub_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_dcom_context, &sub_item, "Context");

    offset = dissect_dcom_COMVERSION(tvb, offset, pinfo, sub_tree, di, drep,
                NULL, NULL);
    offset = dissect_dcom_UUID(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_ctx_id, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_ctx_flags, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_ctx_res, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_ctx_numextents, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_ctx_extentscnt, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_ctx_mashflags, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_ctx_count, &u32Count);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_ctx_frozen, NULL);

    if (u32Count) {
        /*PropMarshalHeader array*/
        /*TBD*/
    }

    proto_item_set_len(sub_item, offset - old_offset);

    return offset;
}

static int
dissect_dcom_SpecialSystemProperties(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep, gint size)
{
    proto_tree *sub_tree, *tr;
    gint old_offset, len, i;

    old_offset = offset;

    if (size <= 0) {
        /* TODO: expert info */
        size = -1;
    }

    sub_tree = proto_tree_add_subtree(tree, tvb, offset, size, ett_dcom_spclsysprop, NULL, "SpecialSystemProperties");

    offset = dissect_TypeSzCommPrivHdr(tvb, offset, pinfo, sub_tree, di, drep);

    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_spsysprop_sid, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_spsysprop_remotethissid, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_spsysprop_cltimpersonating, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_spsysprop_partitionid, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_spsysprop_defauthlvl, NULL);
    offset = dissect_dcom_UUID(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_spsysprop_partition, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_spsysprop_procrqstflgs, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_spsysprop_origclsctx, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_spsysprop_flags, NULL);
/*
 *
 *    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
 *            hf_sysact_spsysprop_procid, NULL);
 *    offset = dissect_dcom_I8(tvb, offset, pinfo, sub_tree, drep,
 *            hf_sysact_spsysprop_hwnd, NULL);
 *
 */
    tr = proto_tree_add_subtree(sub_tree, tvb, offset, sizeof(guint32)*8,
                             ett_dcom_reserved, NULL, "Reserved: 8 DWORDs");
    for (i = 0; i < 8; i++) {
        offset = dissect_dcom_DWORD(tvb, offset, pinfo, tr, di, drep,
                hf_sysact_res, NULL);
    }

    len = offset - old_offset;
    if (size < len) {
        /* TODO expert info */
        size = len;
    }
    else if (size > len) {
        proto_tree_add_item(sub_tree, hf_sysact_unused_buffer, tvb, offset, size - len, ENC_NA);
    }

    offset = old_offset + size;
    return offset;
}

static int
dissect_dcom_InterfaceId(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                            proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_dcom_UUID(tvb, offset, pinfo, tree, di, drep,
                        hf_sysact_instninfo_iid, NULL);
    return offset;
}

static int
dissect_InstantiationInfoIids(tvbuff_t *tvb, gint offset,
        packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_ndr_ucarray(tvb, offset, pinfo, tree, di, drep,
            dissect_dcom_InterfaceId);

    return offset;
}

static int
dissect_dcom_InstantiationInfo(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep, gint size)
{
    proto_tree *sub_tree;
    gint old_offset, len;

    old_offset = offset;

    if (size <= 0) {
        /* TODO: expert info */
        size = -1;
    }

    sub_tree = proto_tree_add_subtree(tree, tvb, offset, size, ett_dcom_instantianinfo, NULL, "InstantiationInfo");

    offset = dissect_TypeSzCommPrivHdr(tvb, offset, pinfo, sub_tree, di, drep);

    offset = dissect_dcom_UUID(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_instninfo_clsid, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_instninfo_clsctx, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_instninfo_actflags, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_instninfo_issurrogate, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_instninfo_iidcount, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_instninfo_instflags, NULL);

    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_InstantiationInfoIids, NDR_POINTER_UNIQUE,
            "InterfaceIdsPtr", -1);

    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_instninfo_entiresize, NULL);
    offset = dissect_dcom_COMVERSION(tvb, offset, pinfo, sub_tree, di, drep,
            NULL, NULL);

    offset = dissect_deferred_pointers(pinfo, tvb, offset, di, drep);

    len = offset - old_offset;
    if (size < len) {
        /* TODO expert info */
        size = len;
    }
    else if (size > len) {
        proto_tree_add_item(sub_tree, hf_sysact_unused_buffer, tvb, offset, size - len, ENC_NA);
    }

    offset = old_offset + size;
    return offset;
}

static int
dissect_ActCtxInfo_PropCtx(tvbuff_t *tvb _U_, gint offset _U_,
        packet_info *pinfo _U_, proto_tree *tree _U_, dcerpc_info *di _U_, guint8 *drep _U_)
{
    /*TBD*/
    return offset;
}


static int
dissect_ActCtxInfo_CltCtx(tvbuff_t *tvb, gint offset,
        packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    if (di->conformant_run) {
        return offset;
    }

    offset = dissect_dcom_MInterfacePointer(tvb, offset, pinfo, tree, di, drep,
            hf_sysact_context, NULL);
    return offset;
}

static int
dissect_dcom_ActivationContextInfo(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep, gint size)
{
    proto_tree *sub_tree;
    gint old_offset, len;

    old_offset = offset;

    if (size <= 0) {
        /* TODO: expert info */
        size = -1;
    }

    sub_tree = proto_tree_add_subtree(tree, tvb, offset, size, ett_dcom_actctxinfo, NULL, "ActivationContextInfo");

    offset = dissect_TypeSzCommPrivHdr(tvb, offset, pinfo, sub_tree, di, drep);

    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_actctxinfo_cltok, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_res, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_res, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_res, NULL);

    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_ActCtxInfo_CltCtx, NDR_POINTER_UNIQUE,
            "ClientPtr", -1);
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_ActCtxInfo_PropCtx, NDR_POINTER_UNIQUE,
            "PrototypePtr", -1);
    offset = dissect_deferred_pointers(pinfo, tvb, offset, di, drep);

    len = offset - old_offset;
    if (size < len) {
        /* TODO expert info */
        size = len;
    }
    else if (size > len) {
        proto_tree_add_item(sub_tree, hf_sysact_unused_buffer, tvb, offset, size - len, ENC_NA);
    }

    offset = old_offset + size;
    return offset;
}


static int
dissect_dcom_COSERVERINFO(tvbuff_t *tvb, gint offset,
        packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep, int hfindex)
{
    proto_item *sub_item;
    proto_tree *sub_tree;
    gint old_offset;

    if (di->conformant_run) {
        return offset;
    }

    sub_item = proto_tree_add_item(tree, hfindex, tvb, offset, 0, ENC_NA);
    sub_tree = proto_item_add_subtree(sub_item, ett_dcom_securityinfo);

    old_offset = offset;
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_si_ci_res, NULL);
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_ndr_wchar_cvstring, NDR_POINTER_UNIQUE, "Name(wstring)",
            hf_sysact_si_ci_string);
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            NULL, NDR_POINTER_UNIQUE, "AuthInfoPtr", -1);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_si_ci_res, NULL);

    offset = dissect_deferred_pointers(pinfo, tvb, offset, di, drep);

    proto_item_set_len(sub_item, offset - old_offset);

    return offset;
}

static int
dissect_dcom_SI_ServerInfo(tvbuff_t *tvb, gint offset,
        packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_dcom_COSERVERINFO(tvb, offset, pinfo, tree, di, drep,
            hf_sysact_si_serverinfo);
    return offset;
}

static int
dissect_dcom_SecurtiyInfo(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep, gint size)
{
    proto_tree *sub_tree;
    gint old_offset, len;

    old_offset = offset;

    if (size <= 0) {
        /* TODO: expert info */
        size = -1;
    }

    sub_tree = proto_tree_add_subtree(tree, tvb, offset, size, ett_dcom_securityinfo, NULL, "SecurityInfo");

    offset = dissect_TypeSzCommPrivHdr(tvb, offset, pinfo, sub_tree, di ,drep);

    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_si_authflalgs, NULL);
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_dcom_SI_ServerInfo, NDR_POINTER_UNIQUE, "ServerInfoPtr", -1);
    /*This SHOULD be NULL and MUST be ignored on receipt*/
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            NULL, NDR_POINTER_UNIQUE, "ReservedPtr", -1);
    offset = dissect_deferred_pointers(pinfo, tvb, offset, di, drep);

    len = offset - old_offset;
    if (size < len) {
        /* TODO expert info */
        size = len;
    }
    else if (size > len) {
        proto_tree_add_item(sub_tree, hf_sysact_unused_buffer, tvb, offset, size - len, ENC_NA);
    }

    offset = old_offset + size;
    return offset;
}

static int
dissect_dcom_LocationInfo(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep, gint size)
{
    proto_tree *sub_tree;
    gint old_offset, len;

    old_offset = offset;

    if (size <= 0) {
        /* TODO: expert info */
        size = -1;
    }

    sub_tree = proto_tree_add_subtree(tree, tvb, offset, size, ett_dcom_locationinfo, NULL, "LocationInfo");

    offset = dissect_TypeSzCommPrivHdr(tvb, offset, pinfo, sub_tree, di, drep);

    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_ndr_wchar_cvstring, NDR_POINTER_UNIQUE, "MachineNamePtr",
            hf_sysact_li_string);

    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_li_procid, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_li_apartid, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_li_ctxid, NULL);

    offset = dissect_deferred_pointers(pinfo, tvb, offset, di, drep);

    len = offset - old_offset;
    if (size < len) {
        /* TODO expert info */
        size = len;
    }
    else if (size > len) {
        proto_tree_add_item(sub_tree, hf_sysact_unused_buffer, tvb, offset, size - len, ENC_NA);
    }

    offset = old_offset + size;

    return offset;
}

static int
dissect_dcom_ProtoSeq(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                        proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_dcom_WORD(tvb, offset, pinfo, tree, di, drep,
                        hf_sysact_sri_protseq, NULL);

    return offset;
}

static int
dissect_dcom_ProtoSeqArray(tvbuff_t *tvb, gint offset,
                    packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_ndr_ucarray(tvb, offset, pinfo, tree, di, drep,
            dissect_dcom_ProtoSeq);
    return offset;
}

static int
dissect_dcom_customREMOTE_REQUEST_SCM_INFO(tvbuff_t *tvb, gint offset,
        packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    proto_item *sub_item;
    proto_tree *sub_tree;
    gint old_offset;

    if (di->conformant_run) {
        return offset;
    }

    sub_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_dcom_rmtrqst, &sub_item, "RemoteRequest");

    old_offset = offset;
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_sri_cltimplvl, NULL);
    offset = dissect_dcom_WORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_sri_protseqnum, NULL);
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_dcom_ProtoSeqArray, NDR_POINTER_UNIQUE, "ProtocolSeqsArrayPtr", -1);
    offset = dissect_deferred_pointers(pinfo, tvb, offset, di, drep);

    proto_item_set_len(sub_item, offset - old_offset);

    return offset;
}

static int
dissect_dcom_ScmRqstInfo(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep, gint size)
{
    proto_tree *sub_tree;
    gint old_offset, len;

    old_offset = offset;

    if (size <= 0) {
        /* TODO: expert info */
        size = -1;
    }

    sub_tree = proto_tree_add_subtree(tree, tvb, offset, size, ett_dcom_scmrqstinfo, NULL, "ScmRequestInfo");

    offset = dissect_TypeSzCommPrivHdr(tvb, offset, pinfo, sub_tree, di, drep);

    /*This MUST be set to NULL and MUST be ignored on receipt*/
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            NULL, NDR_POINTER_UNIQUE, "Ptr", -1);
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_dcom_customREMOTE_REQUEST_SCM_INFO, NDR_POINTER_UNIQUE,
            "RemoteRequestPtr", -1);
    offset = dissect_deferred_pointers(pinfo, tvb, offset, di, drep);

    len = offset - old_offset;
    if (size < len) {
        /* TODO expert info */
        size = len;
    }
    else if (size > len) {
        proto_tree_add_item(sub_tree, hf_sysact_unused_buffer, tvb, offset, size - len, ENC_NA);
    }

    offset = old_offset + size;

    return offset;
}

static int
dissect_dcom_IfId(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                        proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_dcom_UUID(tvb, offset, pinfo, tree, di, drep,
            hf_sysact_pi_iid, NULL);
    return offset;
}

static int
dissect_dcom_IfIds(tvbuff_t *tvb, gint offset,
                    packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_ndr_ucarray(tvb, offset, pinfo, tree, di, drep,
            dissect_dcom_IfId);
    return offset;
}

static int
dissect_dcom_ReturnVal(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                            proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, tree, di, drep,
                        hf_sysact_pi_retval, NULL);
    return offset;
}

static int
dissect_dcom_ReturnVals(tvbuff_t *tvb, gint offset,
        packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_ndr_ucarray(tvb, offset, pinfo, tree, di, drep,
            dissect_dcom_ReturnVal);
    return offset;
}

static int
dissect_OneInterfData(tvbuff_t *tvb, gint offset,
        packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_dcom_MInterfacePointer(tvb, offset, pinfo, tree, di, drep,
            hf_sysact_pi_interf, NULL);
    return offset;
}

static int
dissect_dcom_OneInterfDataPtr(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                            proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, tree, di, drep,
            dissect_OneInterfData, NDR_POINTER_UNIQUE, "InterfacePtr", -1);
    return offset;
}

/*
 * This MUST be an array of MInterfacePointer pointers containing the OBJREFs for
 * the interfaces returned by the server.
 */
static int
dissect_dcom_InterfData(tvbuff_t *tvb, gint offset,
        packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    offset = dissect_ndr_ucarray(tvb, offset, pinfo, tree, di, drep,
            dissect_dcom_OneInterfDataPtr);
    offset = dissect_deferred_pointers(pinfo, tvb, offset, di, drep);
    return offset;
}

static int
dissect_dcom_PropsOutInfo(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep, gint size)
{
    proto_tree *sub_tree;
    gint old_offset, len;

    old_offset = offset;

    if (size <= 0) {
        /* TODO: expert info */
        size = -1;
    }

    sub_tree = proto_tree_add_subtree(tree, tvb, offset, size, ett_dcom_propsoutput, NULL, "PropertiesOutput");

    offset = dissect_TypeSzCommPrivHdr(tvb, offset, pinfo, sub_tree, di, drep);

    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_pi_ifnum, NULL);

    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_dcom_IfIds, NDR_POINTER_UNIQUE, "InterfaceIdsPtr", -1);
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_dcom_ReturnVals, NDR_POINTER_UNIQUE, "ReturnValuesPtr", -1);
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_dcom_InterfData, NDR_POINTER_UNIQUE, "InterfacePtrsPtr", -1);
    offset = dissect_deferred_pointers(pinfo, tvb, offset, di, drep);

    len = offset - old_offset;
    if (size < len) {
        /* TODO expert info */
        size = len;
    }
    else if (size > len) {
        proto_tree_add_item(sub_tree, hf_sysact_unused_buffer, tvb, offset, size - len, ENC_NA);
    }

    offset = old_offset + size;

    return offset;
}


/*
 *typedef struct tagDUALSTRINGARRAY {
 *  unsigned short wNumEntries;
 *  unsigned short wSecurityOffset;
 *  [size_is(wNumEntries)] unsigned short aStringArray[];
 *} DUALSTRINGARRAY;
 */
static int
dissect_dcom_OxidBindings(tvbuff_t *tvb, gint offset,
                    packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    proto_item *sub_item;
    proto_tree *sub_tree;
    gint old_offset;

    if (di->conformant_run) {
        return offset;
    }

    old_offset = offset;
    sub_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_dcom_oxidbinding, &sub_item, "OxidBindings");

    offset = dissect_dcom_dcerpc_array_size(tvb, offset, pinfo, sub_tree, di, drep, NULL);
    offset = dissect_dcom_DUALSTRINGARRAY(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_scmri_binding, NULL);

    proto_item_set_len(sub_item, offset - old_offset);
    return offset;
}


static int
dissect_dcom_customREMOTE_REPLY_SCM_INFO(tvbuff_t *tvb, gint offset,
        packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    proto_item *sub_item;
    proto_tree *sub_tree;
    gint old_offset;

    if (di->conformant_run) {
        return offset;
    }

    sub_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_dcom_rmtresp, &sub_item, "RemoteReply");

    old_offset = offset;
    offset = dissect_dcom_ID(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_scmri_oxid, NULL);
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_dcom_OxidBindings, NDR_POINTER_UNIQUE, "OxidBindingsPtr", -1);
    offset = dissect_dcom_UUID(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_scmri_rmtunknid, NULL);
    offset = dissect_dcom_DWORD(tvb, offset, pinfo, sub_tree, di, drep,
            hf_sysact_scmri_authhint, NULL);
    offset = dissect_dcom_COMVERSION(tvb, offset, pinfo, sub_tree, di, drep,
                NULL, NULL);
    offset = dissect_deferred_pointers(pinfo, tvb, offset, di, drep);

    proto_item_set_len(sub_item, offset - old_offset);

    return offset;
}


static int
dissect_dcom_ScmReplyInfo(tvbuff_t *tvb, gint offset, packet_info *pinfo,
                       proto_tree *tree, dcerpc_info *di, guint8 *drep, gint size)
{
    proto_tree *sub_tree;
    gint old_offset, len;

    old_offset = offset;

    if (size <= 0) {
        /* TODO: expert info */
        size = -1;
    }

    sub_tree = proto_tree_add_subtree(tree, tvb, offset, size, ett_dcom_scmrespinfo, NULL, "ScmReplyInfo");

    offset = dissect_TypeSzCommPrivHdr(tvb, offset, pinfo, sub_tree, di, drep);

    /*This MUST be set to NULL and MUST be ignored on receipt*/
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            NULL, NDR_POINTER_UNIQUE, "Ptr", -1);
    offset = dissect_ndr_embedded_pointer(tvb, offset, pinfo, sub_tree, di, drep,
            dissect_dcom_customREMOTE_REPLY_SCM_INFO, NDR_POINTER_UNIQUE,
            "RemoteRequestPtr", -1);
    offset = dissect_deferred_pointers(pinfo, tvb, offset, di, drep);

    len = offset - old_offset;
    if (size < len) {
        /* TODO expert info */
        size = len;
    }
    else if (size > len) {
        proto_tree_add_item(sub_tree, hf_sysact_unused_buffer, tvb, offset, size - len, ENC_NA);
    }

    offset = old_offset + size;

    return offset;
}

static void
sysact_register_routines(void)
{
    dcom_register_rountine(dissect_dcom_ActivationProperties, &iid_ActivationPropertiesIn);
    dcom_register_rountine(dissect_dcom_ActivationProperties, &iid_ActivationPropertiesOut);
    dcom_register_rountine(dissect_dcom_SpecialSystemProperties, &clsid_SpecialSystemProperties);
    dcom_register_rountine(dissect_dcom_InstantiationInfo, &clsid_InstantiationInfo);
    dcom_register_rountine(dissect_dcom_ActivationContextInfo, &clsid_ActivationContextInfo);
    dcom_register_rountine(dissect_dcom_ContextMarshaler, &clsid_ContextMarshaler);
    dcom_register_rountine(dissect_dcom_SecurtiyInfo, &clsid_SecurityInfo);
    dcom_register_rountine(dissect_dcom_LocationInfo, &clsid_ServerLocationInfo);
    dcom_register_rountine(dissect_dcom_ScmRqstInfo, &clsid_ScmRequestInfo);
    dcom_register_rountine(dissect_dcom_PropsOutInfo, &clsid_PropsOutInfo);
    dcom_register_rountine(dissect_dcom_ScmReplyInfo, &clsid_ScmReplyInfo);

    return;
}

static int
dissect_remsysact_remotecreateinstance_rqst(tvbuff_t *tvb, int offset,
    packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{

    sysact_register_routines();

    offset = dissect_dcom_this(tvb, offset, pinfo, tree, di, drep);

    /* XXX - what is this? */
    offset = dissect_dcom_nospec_data(tvb, offset, pinfo, tree, drep, 4);
    offset = dissect_dcom_PMInterfacePointer(tvb, offset, pinfo, tree, di, drep,
                        hf_sysact_actproperties, NULL /* XXX */);
    return offset;
}

static int
dissect_remsysact_remotecreateinstance_resp(tvbuff_t *tvb, int offset,
    packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep)
{
    sysact_register_routines();

    offset = dissect_dcom_that(tvb, offset, pinfo, tree, di, drep);

    offset = dissect_dcom_PMInterfacePointer(tvb, offset, pinfo, tree, di, drep,
                        hf_sysact_actproperties, NULL /* XXX */);

    offset = dissect_dcom_HRESULT(tvb, offset, pinfo, tree, di, drep,
                     NULL /* pu32HResult */);

    return offset;
}


static dcerpc_sub_dissector ISystemActivator_dissectors[] = {
    { 0, "QueryInterfaceIRemoteSCMActivator", NULL, NULL },
    { 1, "AddRefIRemoteISCMActivator", NULL, NULL },
    { 2, "ReleaseIRemoteISCMActivator", NULL, NULL },
    { 3, "RemoteGetClassObject", NULL, NULL },
    { 4, "RemoteCreateInstance", dissect_remsysact_remotecreateinstance_rqst, dissect_remsysact_remotecreateinstance_resp },
    { 0, NULL, NULL, NULL },
};

void
proto_register_ISystemActivator (void)
{
    /* fields */
    static hf_register_info hf[] = {
        { &hf_opnum,
          { "Operation", "isystemactivator.opnum", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_actproperties,
        { "IActProperties", "isystemactivator.actproperties", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
#if 0
        { &hf_sysact_unknown,
        { "IUnknown", "isystemactivator.unknown", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
#endif
    };

    static hf_register_info hf_actproperties[] = {
        { &hf_sysact_totalsize,
        { "Totalsize", "isystemactivator.actproperties.size", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_res,
        { "Reserved", "isystemactivator.actproperties.resv", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},

        { &hf_sysact_customhdrsize,
        { "CustomHeaderSize", "isystemactivator.customhdr.size", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_dstctx,
        { "DestinationContext", "isystemactivator.customhdr.dc", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_actpropnumber,
        { "NumActivationPropertyStructs", "isystemactivator.customhdr.actpropnumber", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_actpropclsinfoid,
        { "ClassInfoClsid", "isystemactivator.customhdr.clsinfoid", FT_GUID, BASE_NONE, NULL, 0x0, NULL, HFILL }},
#if 0
        { &hf_sysact_actpropclsids,
        { "PropertyGuids", "isystemactivator.customhdr.clsids", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
#endif
        { &hf_sysact_actpropclsid,
        { "PropertyStructGuid", "isystemactivator.customhdr.clsid", FT_GUID, BASE_NONE, NULL, 0x0, NULL, HFILL }},
#if 0
        { &hf_sysact_actpropsizes,
        { "PropertyDataSizes", "isystemactivator.customhdr.datasizes", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
#endif
        { &hf_sysact_actpropsize,
        { "PropertyDataSize", "isystemactivator.customhdr.datasize", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},

        /*SpecialSystemProperties*/
        { &hf_sysact_spsysprop_sid,
        { "SessionID", "isystemactivator.properties.spcl.sid", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, "A value that uniquely identifies a logon session on the server", HFILL }},
        { &hf_sysact_spsysprop_remotethissid,
        { "RemoteThisSessionID", "isystemactivator.properties.spcl.remotesid", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_spsysprop_cltimpersonating,
        { "ClientImpersonating", "isystemactivator.properties.spcl.cltimp", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_spsysprop_partitionid,
        { "PartitionIDPresent", "isystemactivator.properties.spcl.cltimp", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_spsysprop_defauthlvl,
        { "DefaultAuthnLevel", "isystemactivator.properties.spcl.defauthlvl", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_spsysprop_partition,
        { "PartitionGuid", "isystemactivator.properties.spcl.partition", FT_GUID, BASE_NONE, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_spsysprop_procrqstflgs,
        { "ProcessRequestFlags", "isystemactivator.properties.spcl.procreqstflgs", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_spsysprop_origclsctx,
        { "OriginalClassContext", "isystemactivator.properties.spcl.origclsctx", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_spsysprop_flags,
        { "Flags", "isystemactivator.properties.spcl.flags", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
#if 0
        { &hf_sysact_spsysprop_procid,
        { "ProcessID", "isystemactivator.properties.spcl.procid", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
#endif
#if 0
        { &hf_sysact_spsysprop_hwnd,
        { "hWnd", "isystemactivator.properties.spcl.hwnd", FT_UINT64, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
#endif

        /*InstantiationInfo*/
        { &hf_sysact_instninfo_clsid,
        { "InstantiatedObjectClsId", "isystemactivator.properties.instninfo.clsid", FT_GUID, BASE_NONE, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_instninfo_clsctx,
        { "ClassContext", "isystemactivator.properties.instninfo.clsctx", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_instninfo_actflags,
        { "ActivationFlags", "isystemactivator.properties.instninfo.actflags", FT_UINT32, BASE_DEC_HEX, VALS(instninfo_actflags), 0x0, NULL, HFILL }},
        { &hf_sysact_instninfo_issurrogate,
        { "FlagsSurrogate", "isystemactivator.properties.instninfo.actflags", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_instninfo_iidcount,
        { "InterfaceIdCount", "isystemactivator.properties.instninfo.iidcount", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_instninfo_instflags,
        { "InstantiationFlag", "isystemactivator.properties.instninfo.instflags", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_instninfo_entiresize,
        { "EntirePropertySize", "isystemactivator.properties.instninfo.entiresize", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_instninfo_iid,
        { "InterfaceIds", "isystemactivator.properties.instninfo.iid", FT_GUID, BASE_NONE, NULL, 0x0, NULL, HFILL }},

        /*ActivationContextInfo*/
        { &hf_sysact_actctxinfo_cltok,
        { "ClientOk", "isystemactivator.properties.actctxinfo.cltok", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_context,
        { "ClientContext", "isystemactivator.properties.context", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},

        /*dcom Context*/
        { &hf_sysact_ctx_id,
        { "ContextID", "isystemactivator.properties.context.id", FT_GUID, BASE_NONE, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_ctx_flags,
        { "Flags", "isystemactivator.properties.context.flags", FT_UINT32, BASE_HEX, VALS(dcom_context_flag_vals), 0x0, NULL, HFILL }},
        { &hf_sysact_ctx_res,
        { "Reserved", "isystemactivator.properties.context.res", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_ctx_numextents,
        { "NumExtents", "isystemactivator.properties.context.numext", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_ctx_extentscnt,
        { "ExtentCount", "isystemactivator.properties.context.extcnt", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_ctx_mashflags,
        { "MarshalFlags", "isystemactivator.properties.context.mashflags", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_ctx_count,
        { "ContextPropertyCount", "isystemactivator.properties.context.cnt", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_ctx_frozen,
        { "Frozen", "isystemactivator.properties.context.frz", FT_UINT32, BASE_HEX, VALS(boolean_flag_vals), 0x0, NULL, HFILL }},

        /*Security Info*/
        { &hf_sysact_si_authflalgs,
        { "AuthenticationFlags", "isystemactivator.properties.si.authflags", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_si_serverinfo,
        { "ServerInfo", "isystemactivator.properties.si.ci", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }},
        { &hf_sysact_si_ci_res,
        { "Reserved", "isystemactivator.properties.si.ci.res", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_si_ci_string,
        { "String", "isystemactivator.properties.si.ci.name", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},

        /*Location info*/
        { &hf_sysact_li_string,
        { "String", "isystemactivator.properties.li.name", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
        { &hf_sysact_li_procid,
        { "ProcessId", "isystemactivator.properties.li.procid", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_li_apartid,
        { "ApartmentId", "isystemactivator.properties.li.apartid", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_li_ctxid,
        { "ContextId", "isystemactivator.properties.li.ctxid", FT_UINT32, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},

        /*ScmRequst info*/
        { &hf_sysact_sri_cltimplvl,
        { "ClientImpersonationLevel", "isystemactivator.properties.sri.cltimplvl", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_sri_protseqnum,
        { "NumProtocolSequences", "isystemactivator.properties.sri.protseqnum", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_sri_protseq,
        { "ProtocolSeq", "isystemactivator.properties.sri.protseq", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},

        /*PropsOutInfo*/
        { &hf_sysact_pi_ifnum,
        { "NumInterfaces", "isystemactivator.properties.pi.ifnum", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_pi_retval,
        { "ReturnValue", "isystemactivator.properties.retval", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_pi_interf,
        { "Interface", "isystemactivator.properties.interf", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_pi_iid,
        { "IID", "isystemactivator.properties.iid", FT_GUID, BASE_NONE, NULL, 0x0, NULL, HFILL }},

        /*ScmReply info*/
        { &hf_sysact_scmri_rmtunknid,
        { "IRemUnknownInterfacePointerId", "isystemactivator.properties.scmresp.rmtunknid", FT_GUID, BASE_NONE, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_scmri_authhint,
        { "AuthenticationHint", "isystemactivator.properties.scmresp.authhint", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_scmri_binding,
        { "Bindings", "isystemactivator.properties.scmresp.binding", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_scmri_oxid,
        { "OXID", "isystemactivator.properties.scmresp.oxid", FT_UINT64, BASE_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_sysact_unused_buffer,
        { "Unused buffer", "isystemactivator.unused_buffer", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
    };

    static hf_register_info hf_tshdr[] = {
        { &hf_typeszch,
        { "CommonHeader", "isystemactivator.actproperties.ts.hdr", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
        { &hf_typeszph,
        { "PrivateHeader", "isystemactivator.actproperties.ts.hdr", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
        { &hf_typesz_ver,
        { "Version", "isystemactivator.actproperties.ts.ver", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_typesz_endianness,
        { "Endianness", "isystemactivator.actproperties.ts.end", FT_UINT8, BASE_HEX, VALS(ts_endian_vals), 0x0, NULL, HFILL }},
        { &hf_typesz_commhdrlen,
        { "CommonHeaderLength", "isystemactivator.actproperties.ts.chl", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
        { &hf_typesz_filler,
        { "Filler", "isystemactivator.actproperties.ts.fil", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }},
        { &hf_typesz_buflen,
        { "ObjectBufferLength", "isystemactivator.actproperties.ts.buflen", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }},
    };


    /* Tree */
    static gint *ett[] = {
        &ett_isystemactivator,
        &ett_actproperties,
        &ett_properties,
        &ett_commonheader,
        &ett_propguids,
        &ett_typeszcommhdr,
        &ett_typeszprivhdr,
        &ett_dcom_spclsysprop,
        &ett_dcom_reserved,
        &ett_dcom_instantianinfo,
        &ett_dcom_actctxinfo,
        &ett_dcom_context,
        &ett_dcom_securityinfo,
        &ett_dcom_locationinfo,
        &ett_dcom_scmrqstinfo,
        &ett_dcom_rmtrqst,

        &ett_dcom_propsoutput,
        &ett_dcom_scmrespinfo,
        &ett_dcom_rmtresp,
        &ett_dcom_oxidbinding,

    };

    proto_ISystemActivator = proto_register_protocol ("ISystemActivator ISystemActivator Resolver", "ISystemActivator", "isystemactivator");
    proto_register_field_array (proto_ISystemActivator, hf, array_length (hf));
    proto_register_field_array (proto_ISystemActivator, hf_actproperties, array_length (hf_actproperties));
    proto_register_field_array(proto_ISystemActivator, hf_tshdr, array_length(hf_tshdr));
    proto_register_subtree_array (ett, array_length (ett));
}

void
proto_reg_handoff_ISystemActivator (void)
{
    /* Register the protocol as dcerpc */
    dcerpc_init_uuid (proto_ISystemActivator, ett_isystemactivator, &uuid_ISystemActivator,
            ver_ISystemActivator, ISystemActivator_dissectors, hf_opnum);
}

/*
 * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
 *
 * Local variables:
 * c-basic-offset: 4
 * tab-width: 8
 * indent-tabs-mode: nil
 * End:
 *
 * vi: set shiftwidth=4 tabstop=8 expandtab:
 * :indentSize=4:tabSize=8:noTabs=true:
 */