summaryrefslogtreecommitdiff
path: root/source3/smbd/trans2.c
blob: 1b199f01ba920e42452eff986ae0b49189893255 (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
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
/* 
   Unix SMB/Netbios implementation.
   Version 1.9.
   SMB transaction2 handling
   Copyright (C) Jeremy Allison 1994-1997

   Extensively modified by Andrew Tridgell, 1995

   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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "includes.h"
#include "trans2.h"

extern int DEBUGLEVEL;
extern int Protocol;
extern connection_struct Connections[];
extern files_struct Files[];
extern BOOL case_sensitive;
extern int Client;

/****************************************************************************
  Send the required number of replies back.
  We assume all fields other than the data fields are
  set correctly for the type of call.
  HACK ! Always assumes smb_setup field is zero.
****************************************************************************/
static int send_trans2_replies(char *outbuf, int bufsize, char *params, 
			 int paramsize, char *pdata, int datasize)
{
  /* As we are using a protocol > LANMAN1 then the max_send
     variable must have been set in the sessetupX call.
     This takes precedence over the max_xmit field in the
     global struct. These different max_xmit variables should
     be merged as this is now too confusing */

  extern int max_send;
  int data_to_send = datasize;
  int params_to_send = paramsize;
  int useable_space;
  char *pp = params;
  char *pd = pdata;
  int params_sent_thistime, data_sent_thistime, total_sent_thistime;
  int alignment_offset = 1;

  /* Initially set the wcnt area to be 10 - this is true for all
     trans2 replies */
  set_message(outbuf,10,0,True);

  /* If there genuinely are no parameters or data to send just send
     the empty packet */
  if(params_to_send == 0 && data_to_send == 0)
    {
      send_smb(Client,outbuf);
      return 0;
    }

  /* Space is bufsize minus Netbios over TCP header minus SMB header */
  /* The alignment_offset is to align the param and data bytes on an even byte
     boundary. NT 4.0 Beta needs this to work correctly. */
  useable_space = bufsize - ((smb_buf(outbuf)+alignment_offset) - outbuf);
  /* useable_space can never be more than max_send minus the
     alignment offset. */
  useable_space = MIN(useable_space, max_send - alignment_offset);

  while( params_to_send || data_to_send)
    {
      /* Calculate whether we will totally or partially fill this packet */
      total_sent_thistime = params_to_send + data_to_send + alignment_offset;
      /* We can never send more than useable_space */
      total_sent_thistime = MIN(total_sent_thistime, useable_space);

      set_message(outbuf, 10, total_sent_thistime, True);

      /* Set total params and data to be sent */
      SSVAL(outbuf,smb_tprcnt,paramsize);
      SSVAL(outbuf,smb_tdrcnt,datasize);

      /* Calculate how many parameters and data we can fit into
	 this packet. Parameters get precedence */

      params_sent_thistime = MIN(params_to_send,useable_space);
      data_sent_thistime = useable_space - params_sent_thistime;
      data_sent_thistime = MIN(data_sent_thistime,data_to_send);

      SSVAL(outbuf,smb_prcnt, params_sent_thistime);
      if(params_sent_thistime == 0)
	{
	  SSVAL(outbuf,smb_proff,0);
	  SSVAL(outbuf,smb_prdisp,0);
	} else {
	  /* smb_proff is the offset from the start of the SMB header to the
	     parameter bytes, however the first 4 bytes of outbuf are
	     the Netbios over TCP header. Thus use smb_base() to subtract
	     them from the calculation */
	  SSVAL(outbuf,smb_proff,((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
	  /* Absolute displacement of param bytes sent in this packet */
	  SSVAL(outbuf,smb_prdisp,pp - params);
	}

      SSVAL(outbuf,smb_drcnt, data_sent_thistime);
      if(data_sent_thistime == 0)
	{
	  SSVAL(outbuf,smb_droff,0);
	  SSVAL(outbuf,smb_drdisp, 0);
	} else {
	  /* The offset of the data bytes is the offset of the
	     parameter bytes plus the number of parameters being sent this time */
	  SSVAL(outbuf,smb_droff,((smb_buf(outbuf)+alignment_offset) - 
				  smb_base(outbuf)) + params_sent_thistime);
	  SSVAL(outbuf,smb_drdisp, pd - pdata);
	}

      /* Copy the param bytes into the packet */
      if(params_sent_thistime)
	memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
      /* Copy in the data bytes */
      if(data_sent_thistime)
	memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime,pd,data_sent_thistime);

      DEBUG(9,("t2_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
	       params_sent_thistime, data_sent_thistime, useable_space));
      DEBUG(9,("t2_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
	       params_to_send, data_to_send, paramsize, datasize));

      /* Send the packet */
      send_smb(Client,outbuf);

      pp += params_sent_thistime;
      pd += data_sent_thistime;

      params_to_send -= params_sent_thistime;
      data_to_send -= data_sent_thistime;

      /* Sanity check */
      if(params_to_send < 0 || data_to_send < 0)
	{
	  DEBUG(2,("send_trans2_replies failed sanity check pts = %d, dts = %d\n!!!",
		   params_to_send, data_to_send));
	  return -1;
	}
    }

  return 0;
}


/****************************************************************************
  reply to a TRANSACT2_OPEN
****************************************************************************/
static int call_trans2open(char *inbuf, char *outbuf, int bufsize, int cnum, 
		    char **pparams, char **ppdata)
{
  char *params = *pparams;
  int16 open_mode = SVAL(params, 2);
  int16 open_attr = SVAL(params,6);
  BOOL oplock_request = BITSETW(params,1);
#if 0
  BOOL return_additional_info = BITSETW(params,0);
  int16 open_sattr = SVAL(params, 4);
  time_t open_time = make_unix_date3(params+8);
#endif
  int16 open_ofun = SVAL(params,12);
  int32 open_size = IVAL(params,14);
  char *pname = &params[28];
  int16 namelen = strlen(pname)+1;

  pstring fname;
  int fnum = -1;
  int unixmode;
  int size=0,fmode=0,mtime=0,rmode;
  int32 inode = 0;
  struct stat sbuf;
  int smb_action = 0;

  StrnCpy(fname,pname,namelen);

  DEBUG(3,("trans2open %s cnum=%d mode=%d attr=%d ofun=%d size=%d\n",
	   fname,cnum,open_mode, open_attr, open_ofun, open_size));

  /* XXXX we need to handle passed times, sattr and flags */

  unix_convert(fname,cnum,0);
    
  fnum = find_free_file();
  if (fnum < 0)
    return(ERROR(ERRSRV,ERRnofids));

  if (!check_name(fname,cnum))
    return(UNIXERROR(ERRDOS,ERRnoaccess));

  unixmode = unix_mode(cnum,open_attr | aARCH);
      
      
  open_file_shared(fnum,cnum,fname,open_mode,open_ofun,unixmode,
		   &rmode,&smb_action);
      
  if (!Files[fnum].open)
    return(UNIXERROR(ERRDOS,ERRnoaccess));

  if (fstat(Files[fnum].fd_ptr->fd,&sbuf) != 0) {
    close_file(fnum);
    return(ERROR(ERRDOS,ERRnoaccess));
  }
    
  size = sbuf.st_size;
  fmode = dos_mode(cnum,fname,&sbuf);
  mtime = sbuf.st_mtime;
  inode = sbuf.st_ino;
  if (fmode & aDIR) {
    close_file(fnum);
    return(ERROR(ERRDOS,ERRnoaccess));
  }

  /* Realloc the size of parameters and data we will return */
  params = *pparams = Realloc(*pparams, 28);
  if(params == NULL)
    return(ERROR(ERRDOS,ERRnomem));

  bzero(params,28);
  SSVAL(params,0,fnum);
  SSVAL(params,2,fmode);
  put_dos_date2(params,4, mtime);
  SIVAL(params,8, size);
  SSVAL(params,12,rmode);

  if (oplock_request && lp_fake_oplocks(SNUM(cnum))) {
    smb_action |= (1<<15);
  }

  SSVAL(params,18,smb_action);
  SIVAL(params,20,inode);
 
  /* Send the required number of replies */
  send_trans2_replies(outbuf, bufsize, params, 28, *ppdata, 0);

  return -1;
}

/****************************************************************************
  get a level dependent lanman2 dir entry.
****************************************************************************/
static int get_lanman2_dir_entry(int cnum,char *path_mask,int dirtype,int info_level,
				 int requires_resume_key,
				 BOOL dont_descend,char **ppdata, 
				 char *base_data, int space_remaining, 
				 BOOL *out_of_space,
				 int *last_name_off)
{
  char *dname;
  BOOL found = False;
  struct stat sbuf;
  pstring mask;
  pstring pathreal;
  pstring fname;
  BOOL matched;
  char *p, *pdata = *ppdata;
  int reskey=0, prev_dirpos=0;
  int mode=0;
  uint32 size=0,len;
  uint32 mdate=0, adate=0, cdate=0;
  char *nameptr;
  BOOL isrootdir = (strequal(Connections[cnum].dirpath,"./") ||
		    strequal(Connections[cnum].dirpath,".") ||
		    strequal(Connections[cnum].dirpath,"/"));
  BOOL was_8_3;
  int nt_extmode; /* Used for NT connections instead of mode */
  BOOL needslash = ( Connections[cnum].dirpath[strlen(Connections[cnum].dirpath) -1] != '/');

  *fname = 0;
  *out_of_space = False;

  if (!Connections[cnum].dirptr)
    return(False);

  p = strrchr(path_mask,'/');
  if(p != NULL)
    {
      if(p[1] == '\0')
	strcpy(mask,"*.*");
      else
	strcpy(mask, p+1);
    }
  else
    strcpy(mask, path_mask);

  while (!found)
    {
      /* Needed if we run out of space */
      prev_dirpos = TellDir(Connections[cnum].dirptr);
      dname = ReadDirName(Connections[cnum].dirptr);

      reskey = TellDir(Connections[cnum].dirptr);

      DEBUG(6,("get_lanman2_dir_entry:readdir on dirptr 0x%x now at offset %d\n",
	       Connections[cnum].dirptr,TellDir(Connections[cnum].dirptr)));
      
      if (!dname) 
	return(False);

      matched = False;

      strcpy(fname,dname);      

      if(mask_match(fname, mask, case_sensitive, True))
	{
	  BOOL isdots = (strequal(fname,"..") || strequal(fname,"."));
	  if (dont_descend && !isdots)
	    continue;
	  
	  if (isrootdir && isdots)
	    continue;

	  strcpy(pathreal,Connections[cnum].dirpath);
          if(needslash)
  	    strcat(pathreal,"/");
	  strcat(pathreal,fname);
	  if (sys_stat(pathreal,&sbuf) != 0) 
	    {
	      DEBUG(5,("get_lanman2_dir_entry:Couldn't stat [%s] (%s)\n",pathreal,strerror(errno)));
	      continue;
	    }

	  mode = dos_mode(cnum,pathreal,&sbuf);

	  if (!dir_check_ftype(cnum,mode,&sbuf,dirtype)) {
	    DEBUG(5,("[%s] attribs didn't match %x\n",fname,dirtype));
	    continue;
	  }

	  size = sbuf.st_size;
	  mdate = sbuf.st_mtime;
	  adate = sbuf.st_atime;
	  cdate = sbuf.st_ctime;
	  if(mode & aDIR)
	    size = 0;

	  DEBUG(5,("get_lanman2_dir_entry found %s fname=%s\n",pathreal,fname));
	  
	  found = True;
	}
    }



  p = pdata;
  nameptr = p;

  name_map_mangle(fname,False,SNUM(cnum));

  nt_extmode = mode ? mode : NT_FILE_ATTRIBUTE_NORMAL;

  switch (info_level)
    {
    case 1:
      if(requires_resume_key) {
	SIVAL(p,0,reskey);
	p += 4;
      }
      put_dos_date2(p,l1_fdateCreation,cdate);
      put_dos_date2(p,l1_fdateLastAccess,adate);
      put_dos_date2(p,l1_fdateLastWrite,mdate);
      SIVAL(p,l1_cbFile,size);
      SIVAL(p,l1_cbFileAlloc,ROUNDUP(size,1024));
      SSVAL(p,l1_attrFile,mode);
      SCVAL(p,l1_cchName,strlen(fname));
      strcpy(p + l1_achName, fname);
      nameptr = p + l1_achName;
      p += l1_achName + strlen(fname) + 1;
      break;

    case 2:
      /* info_level 2 */
      if(requires_resume_key) {
	SIVAL(p,0,reskey);
	p += 4;
      }
      put_dos_date2(p,l2_fdateCreation,cdate);
      put_dos_date2(p,l2_fdateLastAccess,adate);
      put_dos_date2(p,l2_fdateLastWrite,mdate);
      SIVAL(p,l2_cbFile,size);
      SIVAL(p,l2_cbFileAlloc,ROUNDUP(size,1024));
      SSVAL(p,l2_attrFile,mode);
      SIVAL(p,l2_cbList,0); /* No extended attributes */
      SCVAL(p,l2_cchName,strlen(fname));
      strcpy(p + l2_achName, fname);
      nameptr = p + l2_achName;
      p += l2_achName + strlen(fname) + 1;
      break;

    case 3:
      SIVAL(p,0,reskey);
      put_dos_date2(p,4,cdate);
      put_dos_date2(p,8,adate);
      put_dos_date2(p,12,mdate);
      SIVAL(p,16,size);
      SIVAL(p,20,ROUNDUP(size,1024));
      SSVAL(p,24,mode);
      SIVAL(p,26,4);
      CVAL(p,30) = strlen(fname);
      strcpy(p+31, fname);
      nameptr = p+31;
      p += 31 + strlen(fname) + 1;
      break;

    case 4:
      if(requires_resume_key) {
	SIVAL(p,0,reskey);
	p += 4;
      }
      SIVAL(p,0,33+strlen(fname)+1);
      put_dos_date2(p,4,cdate);
      put_dos_date2(p,8,adate);
      put_dos_date2(p,12,mdate);
      SIVAL(p,16,size);
      SIVAL(p,20,ROUNDUP(size,1024));
      SSVAL(p,24,mode);
      CVAL(p,32) = strlen(fname);
      strcpy(p + 33, fname);
      nameptr = p+33;
      p += 33 + strlen(fname) + 1;
      break;

    case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
      was_8_3 = is_8_3(fname, True);
      len = 94+strlen(fname);
      len = (len + 3) & ~3;
      SIVAL(p,0,len); p += 4;
      SIVAL(p,0,reskey); p += 4;
      put_long_date(p,cdate); p += 8;
      put_long_date(p,adate); p += 8;
      put_long_date(p,mdate); p += 8;
      put_long_date(p,mdate); p += 8;
      SIVAL(p,0,size); p += 8;
      SIVAL(p,0,size); p += 8;
      SIVAL(p,0,nt_extmode); p += 4;
      SIVAL(p,0,strlen(fname)); p += 4;
      SIVAL(p,0,0); p += 4;
      if (!was_8_3) {
	strcpy(p+2,fname);
	if (!name_map_mangle(p+2,True,SNUM(cnum)))
	  (p+2)[12] = 0;
      } else
	*(p+2) = 0;
      strupper(p+2);
      SSVAL(p,0,strlen(p+2));
      p += 2 + 24;
      /* nameptr = p;  */
      strcpy(p,fname); p += strlen(p);
      p = pdata + len;
      break;

    case SMB_FIND_FILE_DIRECTORY_INFO:
      len = 64+strlen(fname);
      len = (len + 3) & ~3;
      SIVAL(p,0,len); p += 4;
      SIVAL(p,0,reskey); p += 4;
      put_long_date(p,cdate); p += 8;
      put_long_date(p,adate); p += 8;
      put_long_date(p,mdate); p += 8;
      put_long_date(p,mdate); p += 8;
      SIVAL(p,0,size); p += 8;
      SIVAL(p,0,size); p += 8;
      SIVAL(p,0,nt_extmode); p += 4;
      SIVAL(p,0,strlen(fname)); p += 4;
      strcpy(p,fname);
      p = pdata + len;
      break;
      
      
    case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
      len = 68+strlen(fname);
      len = (len + 3) & ~3;
      SIVAL(p,0,len); p += 4;
      SIVAL(p,0,reskey); p += 4;
      put_long_date(p,cdate); p += 8;
      put_long_date(p,adate); p += 8;
      put_long_date(p,mdate); p += 8;
      put_long_date(p,mdate); p += 8;
      SIVAL(p,0,size); p += 8;
      SIVAL(p,0,size); p += 8;
      SIVAL(p,0,nt_extmode); p += 4;
      SIVAL(p,0,strlen(fname)); p += 4;
      SIVAL(p,0,0); p += 4;
      strcpy(p,fname);
      p = pdata + len;
      break;

    case SMB_FIND_FILE_NAMES_INFO:
      len = 12+strlen(fname);
      len = (len + 3) & ~3;
      SIVAL(p,0,len); p += 4;
      SIVAL(p,0,reskey); p += 4;
      SIVAL(p,0,strlen(fname)); p += 4;
      strcpy(p,fname);
      p = pdata + len;
      break;

    default:      
      return(False);
    }


  if (PTR_DIFF(p,pdata) > space_remaining) {
    /* Move the dirptr back to prev_dirpos */
    SeekDir(Connections[cnum].dirptr, prev_dirpos);
    *out_of_space = True;
    DEBUG(9,("get_lanman2_dir_entry: out of space\n"));
    return False; /* Not finished - just out of space */
  }

  /* Setup the last_filename pointer, as an offset from base_data */
  *last_name_off = PTR_DIFF(nameptr,base_data);
  /* Advance the data pointer to the next slot */
  *ppdata = p;
  return(found);
}
  
/****************************************************************************
  reply to a TRANS2_FINDFIRST
****************************************************************************/
static int call_trans2findfirst(char *inbuf, char *outbuf, int bufsize, int cnum, 
			 char **pparams, char **ppdata)
{
  /* We must be careful here that we don't return more than the
     allowed number of data bytes. If this means returning fewer than
     maxentries then so be it. We assume that the redirector has
     enough room for the fixed number of parameter bytes it has
     requested. */
  uint32 max_data_bytes = SVAL(inbuf, smb_mdrcnt);
  char *params = *pparams;
  char *pdata = *ppdata;
  int dirtype = SVAL(params,0);
  int maxentries = SVAL(params,2);
  BOOL close_after_first = BITSETW(params+4,0);
  BOOL close_if_end = BITSETW(params+4,1);
  BOOL requires_resume_key = BITSETW(params+4,2);
  int info_level = SVAL(params,6);
  pstring directory;
  pstring mask;
  char *p, *wcard;
  int last_name_off=0;
  int dptr_num = -1;
  int numentries = 0;
  int i;
  BOOL finished = False;
  BOOL dont_descend = False;
  BOOL out_of_space = False;
  int space_remaining;

  *directory = *mask = 0;

  DEBUG(3,("call_trans2findfirst: dirtype = %d, maxentries = %d, close_after_first=%d, close_if_end = %d requires_resume_key = %d level = %d, max_data_bytes = %d\n",
	   dirtype, maxentries, close_after_first, close_if_end, requires_resume_key,
	   info_level, max_data_bytes));
  
  switch (info_level) 
    {
    case 1:
    case 2:
    case 3:
    case 4:
    case SMB_FIND_FILE_DIRECTORY_INFO:
    case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
    case SMB_FIND_FILE_NAMES_INFO:
    case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
      break;
    default:
      return(ERROR(ERRDOS,ERRunknownlevel));
    }

  strcpy(directory, params + 12); /* Complete directory path with 
				     wildcard mask appended */

  DEBUG(5,("path=%s\n",directory));

  unix_convert(directory,cnum,0);
  if(!check_name(directory,cnum)) {
    return(ERROR(ERRDOS,ERRbadpath));
  }

  p = strrchr(directory,'/');
  if(p == NULL) {
    strcpy(mask,directory);
    strcpy(directory,"./");
  } else {
    strcpy(mask,p+1);
    *p = 0;
  }

  DEBUG(5,("dir=%s, mask = %s\n",directory, mask));

  pdata = *ppdata = Realloc(*ppdata, max_data_bytes + 1024);
  if(!*ppdata)
    return(ERROR(ERRDOS,ERRnomem));
  bzero(pdata,max_data_bytes);

  /* Realloc the params space */
  params = *pparams = Realloc(*pparams, 10);
  if(params == NULL)
    return(ERROR(ERRDOS,ERRnomem));

  dptr_num = dptr_create(cnum,directory, True ,SVAL(inbuf,smb_pid));
  if (dptr_num < 0)
    return(ERROR(ERRDOS,ERRbadpath));

  /* convert the formatted masks */
  {
    p = mask;
    while (*p) {
      if (*p == '<') *p = '*';
      if (*p == '>') *p = '?';
      if (*p == '"') *p = '.';
      p++;
    }
  }
  
  /* a special case for 16 bit apps */
  if (strequal(mask,"????????.???")) strcpy(mask,"*");

  /* handle broken clients that send us old 8.3 format */
  string_sub(mask,"????????","*");
  string_sub(mask,".???",".*");

  /* Save the wildcard match and attribs we are using on this directory - 
     needed as lanman2 assumes these are being saved between calls */

  if(!(wcard = strdup(mask))) {
    dptr_close(dptr_num);
    return(ERROR(ERRDOS,ERRnomem));
  }

  dptr_set_wcard(dptr_num, wcard);
  dptr_set_attr(dptr_num, dirtype);

  DEBUG(4,("dptr_num is %d, wcard = %s, attr = %d\n",dptr_num, wcard, dirtype));

  /* We don't need to check for VOL here as this is returned by 
     a different TRANS2 call. */
  
  DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
	   Connections[cnum].dirpath,lp_dontdescend(SNUM(cnum))));
  if (in_list(Connections[cnum].dirpath,lp_dontdescend(SNUM(cnum)),case_sensitive))
    dont_descend = True;
    
  p = pdata;
  space_remaining = max_data_bytes;
  out_of_space = False;

  for (i=0;(i<maxentries) && !finished && !out_of_space;i++)
    {

      /* this is a heuristic to avoid seeking the dirptr except when 
	 absolutely necessary. It allows for a filename of about 40 chars */
      if (space_remaining < DIRLEN_GUESS && numentries > 0)
	{
	  out_of_space = True;
	  finished = False;
	}
      else
	{
	  finished = 
	    !get_lanman2_dir_entry(cnum,mask,dirtype,info_level,
				   requires_resume_key,dont_descend,
				   &p,pdata,space_remaining, &out_of_space,
				   &last_name_off);
	}

      if (finished && out_of_space)
	finished = False;

      if (!finished && !out_of_space)
	numentries++;
      space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
    }
  
  /* Check if we can close the dirptr */
  if(close_after_first || (finished && close_if_end))
    {
      dptr_close(dptr_num);
      DEBUG(5,("call_trans2findfirst - (2) closing dptr_num %d\n", dptr_num));
      dptr_num = -1;
    }

  /* At this point pdata points to numentries directory entries. */

  /* Set up the return parameter block */
  SSVAL(params,0,dptr_num);
  SSVAL(params,2,numentries);
  SSVAL(params,4,finished);
  SSVAL(params,6,0); /* Never an EA error */
  SSVAL(params,8,last_name_off);

  send_trans2_replies( outbuf, bufsize, params, 10, pdata, PTR_DIFF(p,pdata));

  if ((! *directory) && dptr_path(dptr_num))
    sprintf(directory,"(%s)",dptr_path(dptr_num));

  DEBUG(4,("%s %s mask=%s directory=%s cnum=%d dirtype=%d numentries=%d\n",
	timestring(),
	smb_fn_name(CVAL(inbuf,smb_com)), 
	mask,directory,cnum,dirtype,numentries));

  return(-1);
}


/****************************************************************************
  reply to a TRANS2_FINDNEXT
****************************************************************************/
static int call_trans2findnext(char *inbuf, char *outbuf, int length, int bufsize,
			int cnum, char **pparams, char **ppdata)
{
  /* We must be careful here that we don't return more than the
     allowed number of data bytes. If this means returning fewer than
     maxentries then so be it. We assume that the redirector has
     enough room for the fixed number of parameter bytes it has
     requested. */
  int max_data_bytes = SVAL(inbuf, smb_mdrcnt);
  char *params = *pparams;
  char *pdata = *ppdata;
  int16 dptr_num = SVAL(params,0);
  int maxentries = SVAL(params,2);
  uint16 info_level = SVAL(params,4);
  uint32 resume_key = IVAL(params,6);
  BOOL close_after_request = BITSETW(params+10,0);
  BOOL close_if_end = BITSETW(params+10,1);
  BOOL requires_resume_key = BITSETW(params+10,2);
  BOOL continue_bit = BITSETW(params+10,3);
  pstring mask;
  pstring directory;
  char *p;
  uint16 dirtype;
  int numentries = 0;
  int i, last_name_off=0;
  BOOL finished = False;
  BOOL dont_descend = False;
  BOOL out_of_space = False;
  int space_remaining;

  *mask = *directory = 0;

  DEBUG(3,("call_trans2findnext: dirhandle = %d, max_data_bytes = %d, maxentries = %d, close_after_request=%d, close_if_end = %d requires_resume_key = %d resume_key = %d continue=%d level = %d\n",
	   dptr_num, max_data_bytes, maxentries, close_after_request, close_if_end, 
	   requires_resume_key, resume_key, continue_bit, info_level));

  switch (info_level) 
    {
    case 1:
    case 2:
    case 3:
    case 4:
    case SMB_FIND_FILE_DIRECTORY_INFO:
    case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
    case SMB_FIND_FILE_NAMES_INFO:
    case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
      break;
    default:
      return(ERROR(ERRDOS,ERRunknownlevel));
    }

  pdata = *ppdata = Realloc( *ppdata, max_data_bytes + 1024);
  if(!*ppdata)
    return(ERROR(ERRDOS,ERRnomem));
  bzero(pdata,max_data_bytes);

  /* Realloc the params space */
  params = *pparams = Realloc(*pparams, 6*SIZEOFWORD);
  if(!params)
    return(ERROR(ERRDOS,ERRnomem));

  /* Check that the dptr is valid */
  if(!(Connections[cnum].dirptr = dptr_fetch_lanman2(SNUM(cnum), params, dptr_num)))
    return(ERROR(ERRDOS,ERRnofiles));

  string_set(&Connections[cnum].dirpath,dptr_path(dptr_num));

  /* Get the wildcard mask from the dptr */
  if((p = dptr_wcard(dptr_num))== NULL) {
    DEBUG(2,("dptr_num %d has no wildcard\n", dptr_num));
    return (ERROR(ERRDOS,ERRnofiles));
  }
  strcpy(mask, p);
  strcpy(directory,Connections[cnum].dirpath);

  /* Get the attr mask from the dptr */
  dirtype = dptr_attr(dptr_num);

  DEBUG(3,("dptr_num is %d, mask = %s, attr = %x, dirptr=(0x%X,%d)\n",
	   dptr_num, mask, dirtype, 
	   Connections[cnum].dirptr,
	   TellDir(Connections[cnum].dirptr)));

  /* We don't need to check for VOL here as this is returned by 
     a different TRANS2 call. */

  DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",Connections[cnum].dirpath,lp_dontdescend(SNUM(cnum))));
  if (in_list(Connections[cnum].dirpath,lp_dontdescend(SNUM(cnum)),case_sensitive))
    dont_descend = True;
    
  p = pdata;
  space_remaining = max_data_bytes;
  out_of_space = False;

  /* If we have a resume key - seek to the correct position. */
  if(requires_resume_key && !continue_bit)
    SeekDir(Connections[cnum].dirptr, resume_key);

  for (i=0;(i<(int)maxentries) && !finished && !out_of_space ;i++)
    {
      /* this is a heuristic to avoid seeking the dirptr except when 
	 absolutely necessary. It allows for a filename of about 40 chars */
      if (space_remaining < DIRLEN_GUESS && numentries > 0)
	{
	  out_of_space = True;
	  finished = False;
	}
      else
	{
	  finished = 
	    !get_lanman2_dir_entry(cnum,mask,dirtype,info_level,
				   requires_resume_key,dont_descend,
				   &p,pdata,space_remaining, &out_of_space,
				   &last_name_off);
	}

      if (finished && out_of_space)
	finished = False;

      if (!finished && !out_of_space)
	numentries++;
      space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
    }
  
  /* Check if we can close the dirptr */
  if(close_after_request || (finished && close_if_end))
    {
      dptr_close(dptr_num); /* This frees up the saved mask */
      DEBUG(5,("call_trans2findnext: closing dptr_num = %d\n", dptr_num));
      dptr_num = -1;
    }


  /* Set up the return parameter block */
  SSVAL(params,0,numentries);
  SSVAL(params,2,finished);
  SSVAL(params,4,0); /* Never an EA error */
  SSVAL(params,6,last_name_off);

  send_trans2_replies( outbuf, bufsize, params, 8, pdata, PTR_DIFF(p,pdata));

  if ((! *directory) && dptr_path(dptr_num))
    sprintf(directory,"(%s)",dptr_path(dptr_num));

  DEBUG(3,("%s %s mask=%s directory=%s cnum=%d dirtype=%d numentries=%d\n",
	   timestring(),
	   smb_fn_name(CVAL(inbuf,smb_com)), 
	   mask,directory,cnum,dirtype,numentries));

  return(-1);
}

/****************************************************************************
  reply to a TRANS2_QFSINFO (query filesystem info)
****************************************************************************/
static int call_trans2qfsinfo(char *inbuf, char *outbuf, int length, int bufsize,
			int cnum, char **pparams, char **ppdata)
{
  char *pdata = *ppdata;
  char *params = *pparams;
  uint16 info_level = SVAL(params,0);
  int data_len;
  struct stat st;
  char *vname = volume_label(SNUM(cnum));
  
  DEBUG(3,("call_trans2qfsinfo: cnum = %d, level = %d\n", cnum, info_level));

  if(sys_stat(".",&st)!=0) {
    DEBUG(2,("call_trans2qfsinfo: stat of . failed (%s)\n", strerror(errno)));
    return (ERROR(ERRSRV,ERRinvdevice));
  }

  pdata = *ppdata = Realloc(*ppdata, 1024); bzero(pdata,1024);

  switch (info_level) 
    {
    case 1:
      {
	int dfree,dsize,bsize;
	data_len = 18;
	sys_disk_free(".",&bsize,&dfree,&dsize);	
	SIVAL(pdata,l1_idFileSystem,st.st_dev);
	SIVAL(pdata,l1_cSectorUnit,bsize/512);
	SIVAL(pdata,l1_cUnit,dsize);
	SIVAL(pdata,l1_cUnitAvail,dfree);
	SSVAL(pdata,l1_cbSector,512);
	DEBUG(5,("call_trans2qfsinfo : bsize=%d, id=%x, cSectorUnit=%d, cUnit=%d, cUnitAvail=%d, cbSector=%d\n",
		 bsize, st.st_dev, bsize/512, dsize, dfree, 512));
	break;
    }
    case 2:
    { 
      /* Return volume name */
      int volname_len = MIN(strlen(vname),11);
      data_len = l2_vol_szVolLabel + volname_len + 1;
      put_dos_date2(pdata,l2_vol_fdateCreation,st.st_ctime);
      SCVAL(pdata,l2_vol_cch,volname_len);
      StrnCpy(pdata+l2_vol_szVolLabel,vname,volname_len);
      DEBUG(5,("call_trans2qfsinfo : time = %x, namelen = %d, name = %s\n",st.st_ctime, volname_len,
	       pdata+l2_vol_szVolLabel));
      break;
    }
    case SMB_QUERY_FS_ATTRIBUTE_INFO:
      data_len = 12 + 2*strlen(FSTYPE_STRING);
      SIVAL(pdata,0,0x4006); /* FS ATTRIBUTES == long filenames supported? */
      SIVAL(pdata,4,128); /* Max filename component length */
      SIVAL(pdata,8,2*strlen(FSTYPE_STRING));
      PutUniCode(pdata+12,FSTYPE_STRING);
      break;
    case SMB_QUERY_FS_LABEL_INFO:
      data_len = 4 + strlen(vname);
      SIVAL(pdata,0,strlen(vname));
      strcpy(pdata+4,vname);      
      break;
    case SMB_QUERY_FS_VOLUME_INFO:      
      data_len = 18 + 2*strlen(vname);
      SIVAL(pdata,12,2*strlen(vname));
      PutUniCode(pdata+18,vname);      
      DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol = %s\n", strlen(vname),
	       vname));
      break;
    case SMB_QUERY_FS_SIZE_INFO:
      {
	int dfree,dsize,bsize;
	data_len = 24;
	sys_disk_free(".",&bsize,&dfree,&dsize);	
	SIVAL(pdata,0,dsize);
	SIVAL(pdata,8,dfree);
	SIVAL(pdata,16,bsize/512);
	SIVAL(pdata,20,512);
      }
      break;
    case SMB_QUERY_FS_DEVICE_INFO:
      data_len = 8;
      SIVAL(pdata,0,0); /* dev type */
      SIVAL(pdata,4,0); /* characteristics */
      break;
    default:
      return(ERROR(ERRDOS,ERRunknownlevel));
    }


  send_trans2_replies( outbuf, bufsize, params, 0, pdata, data_len);

  DEBUG(4,("%s %s info_level =%d\n",timestring(),smb_fn_name(CVAL(inbuf,smb_com)), info_level));

  return -1;
}

/****************************************************************************
  reply to a TRANS2_SETFSINFO (set filesystem info)
****************************************************************************/
static int call_trans2setfsinfo(char *inbuf, char *outbuf, int length, int bufsize,
			int cnum, char **pparams, char **ppdata)
{
  /* Just say yes we did it - there is nothing that
     can be set here so it doesn't matter. */
  int outsize;
  DEBUG(3,("call_trans2setfsinfo\n"));

  if (!CAN_WRITE(cnum))
    return(ERROR(ERRSRV,ERRaccess));

  outsize = set_message(outbuf,10,0,True);

  return outsize;
}

/****************************************************************************
  reply to a TRANS2_QFILEINFO (query file info by fileid)
****************************************************************************/
static int call_trans2qfilepathinfo(char *inbuf, char *outbuf, int length, 
				    int bufsize,int cnum,
				    char **pparams,char **ppdata,
				    int total_data)
{
  char *params = *pparams;
  char *pdata = *ppdata;
  uint16 tran_call = SVAL(inbuf, smb_setup0);
  uint16 info_level;
  int mode=0;
  int size=0;
  unsigned int data_size;
  struct stat sbuf;
  pstring fname1;
  char *fname;
  char *p;
  int l,pos;


  if (tran_call == TRANSACT2_QFILEINFO) {
    int16 fnum = SVALS(params,0);
    info_level = SVAL(params,2);

    CHECK_FNUM(fnum,cnum);
    CHECK_ERROR(fnum);

    fname = Files[fnum].name;
    if (fstat(Files[fnum].fd_ptr->fd,&sbuf) != 0) {
      DEBUG(3,("fstat of fnum %d failed (%s)\n",fnum, strerror(errno)));
      return(UNIXERROR(ERRDOS,ERRbadfid));
    }
    pos = lseek(Files[fnum].fd_ptr->fd,0,SEEK_CUR);
  } else {
    /* qpathinfo */
    info_level = SVAL(params,0);
    fname = &fname1[0];
    strcpy(fname,&params[6]);
    unix_convert(fname,cnum,0);
    if (!check_name(fname,cnum) || sys_stat(fname,&sbuf)) {
      DEBUG(3,("fileinfo of %s failed (%s)\n",fname,strerror(errno)));
      return(UNIXERROR(ERRDOS,ERRbadpath));
    }
    pos = 0;
  }


  DEBUG(3,("call_trans2qfilepathinfo %s level=%d call=%d total_data=%d\n",
	   fname,info_level,tran_call,total_data));

  p = strrchr(fname,'/'); 
  if (!p) 
    p = fname;
  else
    p++;
  l = strlen(p);  
  mode = dos_mode(cnum,fname,&sbuf);
  size = sbuf.st_size;
  if (mode & aDIR) size = 0;
  
  params = *pparams = Realloc(*pparams,2); bzero(params,2);
  data_size = 1024;
  pdata = *ppdata = Realloc(*ppdata, data_size); 

  if (total_data > 0 && IVAL(pdata,0) == total_data) {
    /* uggh, EAs for OS2 */
    DEBUG(4,("Rejecting EA request with total_data=%d\n",total_data));
#if 0
    SSVAL(params,0,ERROR_EAS_NOT_SUPPORTED);
    send_trans2_replies(outbuf, bufsize, params, 2, *ppdata, 0);
    return(-1);
#else
    return(ERROR(ERRDOS,ERROR_EAS_NOT_SUPPORTED));
#endif
  }

  bzero(pdata,data_size);

  switch (info_level) 
    {
    case SMB_INFO_STANDARD:
    case SMB_INFO_QUERY_EA_SIZE:
      data_size = (info_level==1?22:26);
      put_dos_date2(pdata,l1_fdateCreation,sbuf.st_ctime); /* create = inode mod */
      put_dos_date2(pdata,l1_fdateLastAccess,sbuf.st_atime); /* access time */
      put_dos_date2(pdata,l1_fdateLastWrite,sbuf.st_mtime); /* write time */
      SIVAL(pdata,l1_cbFile,size);
      SIVAL(pdata,l1_cbFileAlloc,ROUNDUP(size,1024));
      SSVAL(pdata,l1_attrFile,mode);
      SIVAL(pdata,l1_attrFile+2,4); /* this is what OS2 does */
      break;

    case SMB_INFO_QUERY_EAS_FROM_LIST:
      data_size = 24;
      put_dos_date2(pdata,0,sbuf.st_ctime); /* create time = inode mod time */
      put_dos_date2(pdata,4,sbuf.st_atime);
      put_dos_date2(pdata,8,sbuf.st_mtime);
      SIVAL(pdata,12,size);
      SIVAL(pdata,16,ROUNDUP(size,1024));
      SIVAL(pdata,20,mode);
      break;

    case SMB_INFO_QUERY_ALL_EAS:
      data_size = 4;
      SIVAL(pdata,0,data_size);
      break;

    case 6:
      return(ERROR(ERRDOS,ERRbadfunc)); /* os/2 needs this */      

    case SMB_QUERY_FILE_BASIC_INFO:
      data_size = 36; /* w95 returns 40 bytes not 36 - why ?. */
      put_long_date(pdata,sbuf.st_ctime); /* create time = inode mod time */
      put_long_date(pdata+8,sbuf.st_atime); /* access time */
      put_long_date(pdata+16,sbuf.st_mtime); /* write time */
      put_long_date(pdata+24,sbuf.st_mtime); /* change time */
      SIVAL(pdata,32,mode);

      DEBUG(5,("SMB_QFBI - "));
      DEBUG(5,("create: %s ", ctime(&sbuf.st_ctime)));
      DEBUG(5,("access: %s ", ctime(&sbuf.st_atime)));
      DEBUG(5,("write: %s ", ctime(&sbuf.st_mtime)));
      DEBUG(5,("change: %s ", ctime(&sbuf.st_mtime)));
      DEBUG(5,("mode: %x\n", mode));

      break;

    case SMB_QUERY_FILE_STANDARD_INFO:
      data_size = 22;
      SIVAL(pdata,0,size);
      SIVAL(pdata,8,size);
      SIVAL(pdata,16,sbuf.st_nlink);
      CVAL(pdata,20) = 0;
      CVAL(pdata,21) = (mode&aDIR)?1:0;
      break;

    case SMB_QUERY_FILE_EA_INFO:
      data_size = 4;
      break;

    case SMB_QUERY_FILE_NAME_INFO:
    case SMB_QUERY_FILE_ALT_NAME_INFO:
      data_size = 4 + l;
      SIVAL(pdata,0,l);
      strcpy(pdata+4,fname);
      break;
    case SMB_QUERY_FILE_ALLOCATION_INFO:
    case SMB_QUERY_FILE_END_OF_FILEINFO:
      data_size = 8;
      SIVAL(pdata,0,size);
      break;

    case SMB_QUERY_FILE_ALL_INFO:
      put_long_date(pdata,sbuf.st_ctime); /* create time = inode mod time */
      put_long_date(pdata+8,sbuf.st_atime); /* access time */
      put_long_date(pdata+16,sbuf.st_mtime); /* write time */
      put_long_date(pdata+24,sbuf.st_mtime); /* change time */
      SIVAL(pdata,32,mode);
      pdata += 40;
      SIVAL(pdata,0,size);
      SIVAL(pdata,8,size);
      SIVAL(pdata,16,sbuf.st_nlink);
      CVAL(pdata,20) = 0;
      CVAL(pdata,21) = (mode&aDIR)?1:0;
      pdata += 24;
      pdata += 8; /* index number */
      pdata += 4; /* EA info */
      if (mode & aRONLY)
	SIVAL(pdata,0,0xA9);
      else
	SIVAL(pdata,0,0xd01BF);
      pdata += 4;
      SIVAL(pdata,0,pos); /* current offset */
      pdata += 8;
      SIVAL(pdata,0,mode); /* is this the right sort of mode info? */
      pdata += 4;
      pdata += 4; /* alignment */
      SIVAL(pdata,0,l);
      strcpy(pdata+4,fname);
      pdata += 4 + l;
      data_size = PTR_DIFF(pdata,(*ppdata));
      break;

    case SMB_QUERY_FILE_STREAM_INFO:
      data_size = 24 + l;
      SIVAL(pdata,0,pos);
      SIVAL(pdata,4,size);
      SIVAL(pdata,12,size);
      SIVAL(pdata,20,l);	
      strcpy(pdata+24,fname);
      break;
    default:
      return(ERROR(ERRDOS,ERRunknownlevel));
    }

  send_trans2_replies( outbuf, bufsize, params, 2, *ppdata, data_size);

  return(-1);
}

/****************************************************************************
  reply to a TRANS2_SETFILEINFO (set file info by fileid)
****************************************************************************/
static int call_trans2setfilepathinfo(char *inbuf, char *outbuf, int length, 
				      int bufsize, int cnum, char **pparams, 
				      char **ppdata, int total_data)
{
  char *params = *pparams;
  char *pdata = *ppdata;
  uint16 tran_call = SVAL(inbuf, smb_setup0);
  uint16 info_level;
  int mode=0;
  int size=0;
  struct utimbuf tvs;
  struct stat st;
  pstring fname1;
  char *fname;
  int fd = -1;

  if (!CAN_WRITE(cnum))
    return(ERROR(ERRSRV,ERRaccess));

  if (tran_call == TRANSACT2_SETFILEINFO) {
    int16 fnum = SVALS(params,0);
    info_level = SVAL(params,2);    

    CHECK_FNUM(fnum,cnum);
    CHECK_ERROR(fnum);

    fname = Files[fnum].name;
    fd = Files[fnum].fd_ptr->fd;

    if(fstat(fd,&st)!=0) {
      DEBUG(3,("fstat of %s failed (%s)\n", fname, strerror(errno)));
      return(ERROR(ERRDOS,ERRbadpath));
    }
  } else {
    /* set path info */
    info_level = SVAL(params,0);    
    fname = fname1;
    strcpy(fname,&params[6]);
    unix_convert(fname,cnum,0);
    if(!check_name(fname, cnum))
      return(ERROR(ERRDOS,ERRbadpath));
    
    if(sys_stat(fname,&st)!=0) {
      DEBUG(3,("stat of %s failed (%s)\n", fname, strerror(errno)));
      return(ERROR(ERRDOS,ERRbadpath));
    }    
  }

  DEBUG(3,("call_trans2setfilepathinfo(%d) %s info_level=%d totdata=%d\n",
	   tran_call,fname,info_level,total_data));

  /* Realloc the parameter and data sizes */
  params = *pparams = Realloc(*pparams,2); SSVAL(params,0,0);
  if(params == NULL)
    return(ERROR(ERRDOS,ERRnomem));

  size = st.st_size;
  tvs.modtime = st.st_mtime;
  tvs.actime = st.st_atime;
  mode = dos_mode(cnum,fname,&st);

  if (total_data > 0 && IVAL(pdata,0) == total_data) {
    /* uggh, EAs for OS2 */
    DEBUG(4,("Rejecting EA request with total_data=%d\n",total_data));
    SSVAL(params,0,ERROR_EAS_NOT_SUPPORTED);

    send_trans2_replies(outbuf, bufsize, params, 2, *ppdata, 0);
  
    return(-1);    
  }

  switch (info_level)
  {
    case SMB_INFO_STANDARD:
    case SMB_INFO_QUERY_EA_SIZE:
    {
      /* access time */
      tvs.actime = make_unix_date2(pdata+l1_fdateLastAccess);

      /* write time */
      tvs.modtime = make_unix_date2(pdata+l1_fdateLastWrite);

      mode = SVAL(pdata,l1_attrFile);
      size = IVAL(pdata,l1_cbFile);
      break;
    }

    /* XXXX um, i don't think this is right.
       it's also not in the cifs6.txt spec.
     */
    case SMB_INFO_QUERY_EAS_FROM_LIST:
      tvs.actime = make_unix_date2(pdata+8);
      tvs.modtime = make_unix_date2(pdata+12);
      size = IVAL(pdata,16);
      mode = IVAL(pdata,24);
      break;

    /* XXXX nor this.  not in cifs6.txt, either. */
    case SMB_INFO_QUERY_ALL_EAS:
      tvs.actime = make_unix_date2(pdata+8);
      tvs.modtime = make_unix_date2(pdata+12);
      size = IVAL(pdata,16);
      mode = IVAL(pdata,24);
      break;

    case SMB_SET_FILE_BASIC_INFO:
    {
      /* Ignore create time at offset pdata. */

      /* access time */
      tvs.actime = interpret_long_date(pdata+8);

      /* write time + changed time, combined. */
      tvs.modtime=MAX(interpret_long_date(pdata+16),
                      interpret_long_date(pdata+24));

      /* attributes */
      mode = IVAL(pdata,32);
      break;
    }

    case SMB_SET_FILE_END_OF_FILE_INFO:
    {
      if (IVAL(pdata,4) != 0)	/* more than 32 bits? */
         return(ERROR(ERRDOS,ERRunknownlevel));
      size = IVAL(pdata,0);
      break;
    }

    case SMB_SET_FILE_DISPOSITION_INFO: /* not supported yet */
    case SMB_SET_FILE_ALLOCATION_INFO: /* not supported yet */
    default:
    {
      return(ERROR(ERRDOS,ERRunknownlevel));
    }
  }

  DEBUG(6,("actime: %s " , ctime(&tvs.actime)));
  DEBUG(6,("modtime: %s ", ctime(&tvs.modtime)));
  DEBUG(6,("size: %x "   , size));
  DEBUG(6,("mode: %x\n"  , mode));

  /* get some defaults (no modifications) if any info is zero. */
  if (!tvs.actime) tvs.actime = st.st_atime;
  if (!tvs.modtime) tvs.modtime = st.st_mtime;
  if (!size) size = st.st_size;

  /* Try and set the times, size and mode of this file -
     if they are different from the current values
   */
  if (st.st_mtime != tvs.modtime || st.st_atime != tvs.actime)
  {
    if(sys_utime(fname, &tvs)!=0)
    {
      return(ERROR(ERRDOS,ERRnoaccess));
    }
  }

  /* check the mode isn't different, before changing it */
  if (mode != dos_mode(cnum, fname, &st) && dos_chmod(cnum, fname, mode, NULL))
  {
    DEBUG(2,("chmod of %s failed (%s)\n", fname, strerror(errno)));
    return(ERROR(ERRDOS,ERRnoaccess));
  }

  if(size != st.st_size)
  {
    if (fd == -1)
    {
      fd = sys_open(fname,O_RDWR,0);
      if (fd == -1)
      {
        return(ERROR(ERRDOS,ERRbadpath));
      }
      set_filelen(fd, size);
      close(fd);
    }
    else
    {
      set_filelen(fd, size);
    }
  }

  SSVAL(params,0,0);

  send_trans2_replies(outbuf, bufsize, params, 2, *ppdata, 0);
  
  return(-1);
}

/****************************************************************************
  reply to a TRANS2_MKDIR (make directory with extended attributes).
****************************************************************************/
static int call_trans2mkdir(char *inbuf, char *outbuf, int length, int bufsize,
			int cnum, char **pparams, char **ppdata)
{
  char *params = *pparams;
  pstring directory;
  int ret = -1;

  if (!CAN_WRITE(cnum))
    return(ERROR(ERRSRV,ERRaccess));

  strcpy(directory, &params[4]);

  DEBUG(3,("call_trans2mkdir : name = %s\n", directory));

  unix_convert(directory,cnum,0);
  if (check_name(directory,cnum))
    ret = sys_mkdir(directory,unix_mode(cnum,aDIR));
  
  if(ret < 0)
    {
      DEBUG(5,("call_trans2mkdir error (%s)\n", strerror(errno)));
      return(UNIXERROR(ERRDOS,ERRnoaccess));
    }

  /* Realloc the parameter and data sizes */
  params = *pparams = Realloc(*pparams,2);
  if(params == NULL)
    return(ERROR(ERRDOS,ERRnomem));

  SSVAL(params,0,0);

  send_trans2_replies(outbuf, bufsize, params, 2, *ppdata, 0);
  
  return(-1);
}

/****************************************************************************
  reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes)
  We don't actually do this - we just send a null response.
****************************************************************************/
static int call_trans2findnotifyfirst(char *inbuf, char *outbuf, int length, int bufsize,
			int cnum, char **pparams, char **ppdata)
{
  static uint16 fnf_handle = 257;
  char *params = *pparams;
  uint16 info_level = SVAL(params,4);

  DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level));

  switch (info_level) 
    {
    case 1:
    case 2:
      break;
    default:
      return(ERROR(ERRDOS,ERRunknownlevel));
    }

  /* Realloc the parameter and data sizes */
  params = *pparams = Realloc(*pparams,6);
  if(params == NULL)
    return(ERROR(ERRDOS,ERRnomem));

  SSVAL(params,0,fnf_handle);
  SSVAL(params,2,0); /* No changes */
  SSVAL(params,4,0); /* No EA errors */

  fnf_handle++;

  if(fnf_handle == 0)
    fnf_handle = 257;

  send_trans2_replies(outbuf, bufsize, params, 6, *ppdata, 0);
  
  return(-1);
}

/****************************************************************************
  reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for 
  changes). Currently this does nothing.
****************************************************************************/
static int call_trans2findnotifynext(char *inbuf, char *outbuf, int length, int bufsize,
			int cnum, char **pparams, char **ppdata)
{
  char *params = *pparams;

  DEBUG(3,("call_trans2findnotifynext\n"));

  /* Realloc the parameter and data sizes */
  params = *pparams = Realloc(*pparams,4);
  if(params == NULL)
    return(ERROR(ERRDOS,ERRnomem));

  SSVAL(params,0,0); /* No changes */
  SSVAL(params,2,0); /* No EA errors */

  send_trans2_replies(outbuf, bufsize, params, 4, *ppdata, 0);
  
  return(-1);
}

/****************************************************************************
  reply to a SMBfindclose (stop trans2 directory search)
****************************************************************************/
int reply_findclose(char *inbuf,char *outbuf,int length,int bufsize)
{
  int cnum;
  int outsize = 0;
  int16 dptr_num=SVALS(inbuf,smb_vwv0);

  cnum = SVAL(inbuf,smb_tid);

  DEBUG(3,("reply_findclose, cnum = %d, dptr_num = %d\n", cnum, dptr_num));

  dptr_close(dptr_num);

  outsize = set_message(outbuf,0,0,True);

  DEBUG(3,("%s SMBfindclose cnum=%d, dptr_num = %d\n",timestring(),cnum,dptr_num));

  return(outsize);
}

/****************************************************************************
  reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search)
****************************************************************************/
int reply_findnclose(char *inbuf,char *outbuf,int length,int bufsize)
{
  int cnum;
  int outsize = 0;
  int dptr_num= -1;

  cnum = SVAL(inbuf,smb_tid);
  dptr_num = SVAL(inbuf,smb_vwv0);

  DEBUG(3,("reply_findnclose, cnum = %d, dptr_num = %d\n", cnum, dptr_num));

  /* We never give out valid handles for a 
     findnotifyfirst - so any dptr_num is ok here. 
     Just ignore it. */

  outsize = set_message(outbuf,0,0,True);

  DEBUG(3,("%s SMB_findnclose cnum=%d, dptr_num = %d\n",timestring(),cnum,dptr_num));

  return(outsize);
}


/****************************************************************************
  reply to a SMBtranss2 - just ignore it!
****************************************************************************/
int reply_transs2(char *inbuf,char *outbuf,int length,int bufsize)
{
  DEBUG(4,("Ignoring transs2 of length %d\n",length));
  return(-1);
}

/****************************************************************************
  reply to a SMBtrans2
****************************************************************************/
int reply_trans2(char *inbuf,char *outbuf,int length,int bufsize)
{
  int outsize = 0;
  int cnum = SVAL(inbuf,smb_tid);
  unsigned int total_params = SVAL(inbuf, smb_tpscnt);
  unsigned int total_data =SVAL(inbuf, smb_tdscnt);
#if 0
  unsigned int max_param_reply = SVAL(inbuf, smb_mprcnt);
  unsigned int max_data_reply = SVAL(inbuf, smb_mdrcnt);
  unsigned int max_setup_fields = SVAL(inbuf, smb_msrcnt);
  BOOL close_tid = BITSETW(inbuf+smb_flags,0);
  BOOL no_final_response = BITSETW(inbuf+smb_flags,1);
  int32 timeout = IVALS(inbuf,smb_timeout);
#endif
  unsigned int suwcnt = SVAL(inbuf, smb_suwcnt);
  unsigned int tran_call = SVAL(inbuf, smb_setup0);
  char *params = NULL, *data = NULL;
  int num_params, num_params_sofar, num_data, num_data_sofar;

  outsize = set_message(outbuf,0,0,True);

  /* All trans2 messages we handle have smb_sucnt == 1 - ensure this
     is so as a sanity check */
  if(suwcnt != 1 )
    {
      DEBUG(2,("Invalid smb_sucnt in trans2 call\n"));
      return(ERROR(ERRSRV,ERRerror));
    }
    
  /* Allocate the space for the maximum needed parameters and data */
  if (total_params > 0)
    params = (char *)malloc(total_params);
  if (total_data > 0)
    data = (char *)malloc(total_data);
  
  if ((total_params && !params)  || (total_data && !data))
    {
      DEBUG(2,("Out of memory in reply_trans2\n"));
      return(ERROR(ERRDOS,ERRnomem));
    }

  /* Copy the param and data bytes sent with this request into
     the params buffer */
  num_params = num_params_sofar = SVAL(inbuf,smb_pscnt);
  num_data = num_data_sofar = SVAL(inbuf, smb_dscnt);

  memcpy( params, smb_base(inbuf) + SVAL(inbuf, smb_psoff), num_params);
  memcpy( data, smb_base(inbuf) + SVAL(inbuf, smb_dsoff), num_data);

  if(num_data_sofar < total_data || num_params_sofar < total_params)
    {
    /* We need to send an interim response then receive the rest
       of the parameter/data bytes */
      outsize = set_message(outbuf,0,0,True);
      send_smb(Client,outbuf);

      while( num_data_sofar < total_data || num_params_sofar < total_params)
	{
	  if(!receive_smb(Client,inbuf, SMB_SECONDARY_WAIT) ||
	     CVAL(inbuf, smb_com) != SMBtranss2)
	    {
	      outsize = set_message(outbuf,0,0,True);
	      DEBUG(2,("Invalid secondary trans2 packet\n"));
	      free(params);
	      free(data);
	      return(ERROR(ERRSRV,ERRerror));
	    }
      
	  /* Revise total_params and total_data in case they have changed downwards */
	  total_params = SVAL(inbuf, smb_tpscnt);
	  total_data = SVAL(inbuf, smb_tdscnt);
	  num_params_sofar += (num_params = SVAL(inbuf,smb_spscnt));
	  num_data_sofar += ( num_data = SVAL(inbuf, smb_sdscnt));
	  memcpy( &params[ SVAL(inbuf, smb_spsdisp)], 
		 smb_base(inbuf) + SVAL(inbuf, smb_spsoff), num_params);
	  memcpy( &data[SVAL(inbuf, smb_sdsdisp)],
		 smb_base(inbuf)+ SVAL(inbuf, smb_sdsoff), num_data);
	}
    }

  if (Protocol >= PROTOCOL_NT1) {
    uint16 flg2 = SVAL(outbuf,smb_flg2);
    SSVAL(outbuf,smb_flg2,flg2 | 0x40); /* IS_LONG_NAME */
  }

  /* Now we must call the relevant TRANS2 function */
  switch(tran_call) 
    {
    case TRANSACT2_OPEN:
      outsize = call_trans2open(inbuf, outbuf, bufsize, cnum, &params, &data);
      break;
    case TRANSACT2_FINDFIRST:
      outsize = call_trans2findfirst(inbuf, outbuf, bufsize, cnum, &params, &data);
      break;
    case TRANSACT2_FINDNEXT:
      outsize = call_trans2findnext(inbuf, outbuf, length, bufsize, cnum, &params, &data);
      break;
    case TRANSACT2_QFSINFO:
      outsize = call_trans2qfsinfo(inbuf, outbuf, length, bufsize, cnum, &params, &data);
      break;
    case TRANSACT2_SETFSINFO:
      outsize = call_trans2setfsinfo(inbuf, outbuf, length, bufsize, cnum, &params, &data);
      break;
    case TRANSACT2_QPATHINFO:
    case TRANSACT2_QFILEINFO:
      outsize = call_trans2qfilepathinfo(inbuf, outbuf, length, bufsize, cnum, &params, &data, total_data);
      break;
    case TRANSACT2_SETPATHINFO:
    case TRANSACT2_SETFILEINFO:
      outsize = call_trans2setfilepathinfo(inbuf, outbuf, length, bufsize, cnum, &params, &data, total_data);
      break;
    case TRANSACT2_FINDNOTIFYFIRST:
      outsize = call_trans2findnotifyfirst(inbuf, outbuf, length, bufsize, cnum, &params, &data);
      break;
    case TRANSACT2_FINDNOTIFYNEXT:
      outsize = call_trans2findnotifynext(inbuf, outbuf, length, bufsize, cnum, &params, &data);
      break;
    case TRANSACT2_MKDIR:
      outsize = call_trans2mkdir(inbuf, outbuf, length, bufsize, cnum, &params, &data);
      break;
    default:
      /* Error in request */
      DEBUG(2,("%s Unknown request %d in trans2 call\n",timestring(), tran_call));
      if(params)
	free(params);
      if(data)
	free(data);
      return (ERROR(ERRSRV,ERRerror));
    }

  /* As we do not know how many data packets will need to be
     returned here the various call_trans2xxxx calls
     must send their own. Thus a call_trans2xxx routine only
     returns a value other than -1 when it wants to send
     an error packet. 
  */

  if(params)
    free(params);
  if(data)
    free(data);
  return outsize; /* If a correct response was needed the call_trans2xxx 
		     calls have already sent it. If outsize != -1 then it is
		     returning an error packet. */
}