summaryrefslogtreecommitdiff
path: root/source4/librpc/ndr/ndr_basic.c
blob: c0a021e677532a18747b697b3b3349c30d415665 (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
/* 
   Unix SMB/CIFS implementation.

   routines for marshalling/unmarshalling basic types

   Copyright (C) Andrew Tridgell 2003
   
   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 3 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, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "system/network.h"
#include "librpc/ndr/libndr.h"

#define NDR_SVAL(ndr, ofs) (NDR_BE(ndr)?RSVAL(ndr->data,ofs):SVAL(ndr->data,ofs))
#define NDR_IVAL(ndr, ofs) (NDR_BE(ndr)?RIVAL(ndr->data,ofs):IVAL(ndr->data,ofs))
#define NDR_IVALS(ndr, ofs) (NDR_BE(ndr)?RIVALS(ndr->data,ofs):IVALS(ndr->data,ofs))
#define NDR_SSVAL(ndr, ofs, v) do { if (NDR_BE(ndr))  { RSSVAL(ndr->data,ofs,v); } else SSVAL(ndr->data,ofs,v); } while (0)
#define NDR_SIVAL(ndr, ofs, v) do { if (NDR_BE(ndr))  { RSIVAL(ndr->data,ofs,v); } else SIVAL(ndr->data,ofs,v); } while (0)
#define NDR_SIVALS(ndr, ofs, v) do { if (NDR_BE(ndr))  { RSIVALS(ndr->data,ofs,v); } else SIVALS(ndr->data,ofs,v); } while (0)


/*
  check for data leaks from the server by looking for non-zero pad bytes
  these could also indicate that real structure elements have been
  mistaken for padding in the IDL
*/
_PUBLIC_ void ndr_check_padding(struct ndr_pull *ndr, size_t n)
{
	size_t ofs2 = (ndr->offset + (n-1)) & ~(n-1);
	int i;
	for (i=ndr->offset;i<ofs2;i++) {
		if (ndr->data[i] != 0) {
			break;
		}
	}
	if (i<ofs2) {
		DEBUG(0,("WARNING: Non-zero padding to %d: ", (int)n));
		for (i=ndr->offset;i<ofs2;i++) {
			DEBUG(0,("%02x ", ndr->data[i]));
		}
		DEBUG(0,("\n"));
	}

}

/*
  parse a int8_t
*/
_PUBLIC_ NTSTATUS ndr_pull_int8(struct ndr_pull *ndr, int ndr_flags, int8_t *v)
{
	NDR_PULL_NEED_BYTES(ndr, 1);
	*v = (int8_t)CVAL(ndr->data, ndr->offset);
	ndr->offset += 1;
	return NT_STATUS_OK;
}

/*
  parse a uint8_t
*/
_PUBLIC_ NTSTATUS ndr_pull_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *v)
{
	NDR_PULL_NEED_BYTES(ndr, 1);
	*v = CVAL(ndr->data, ndr->offset);
	ndr->offset += 1;
	return NT_STATUS_OK;
}

/*
  parse a int16_t
*/
_PUBLIC_ NTSTATUS ndr_pull_int16(struct ndr_pull *ndr, int ndr_flags, int16_t *v)
{
	NDR_PULL_ALIGN(ndr, 2);
	NDR_PULL_NEED_BYTES(ndr, 2);
	*v = (uint16_t)NDR_SVAL(ndr, ndr->offset);
	ndr->offset += 2;
	return NT_STATUS_OK;
}

/*
  parse a uint16_t
*/
_PUBLIC_ NTSTATUS ndr_pull_uint16(struct ndr_pull *ndr, int ndr_flags, uint16_t *v)
{
	NDR_PULL_ALIGN(ndr, 2);
	NDR_PULL_NEED_BYTES(ndr, 2);
	*v = NDR_SVAL(ndr, ndr->offset);
	ndr->offset += 2;
	return NT_STATUS_OK;
}

/*
  parse a int32_t
*/
_PUBLIC_ NTSTATUS ndr_pull_int32(struct ndr_pull *ndr, int ndr_flags, int32_t *v)
{
	NDR_PULL_ALIGN(ndr, 4);
	NDR_PULL_NEED_BYTES(ndr, 4);
	*v = NDR_IVALS(ndr, ndr->offset);
	ndr->offset += 4;
	return NT_STATUS_OK;
}

/*
  parse a uint32_t
*/
_PUBLIC_ NTSTATUS ndr_pull_uint32(struct ndr_pull *ndr, int ndr_flags, uint32_t *v)
{
	NDR_PULL_ALIGN(ndr, 4);
	NDR_PULL_NEED_BYTES(ndr, 4);
	*v = NDR_IVAL(ndr, ndr->offset);
	ndr->offset += 4;
	return NT_STATUS_OK;
}

/*
  parse a pointer referent identifier
*/
_PUBLIC_ NTSTATUS ndr_pull_generic_ptr(struct ndr_pull *ndr, uint32_t *v)
{
	NTSTATUS status;
	status = ndr_pull_uint32(ndr, NDR_SCALARS, v);
	if (NT_STATUS_IS_OK(status) && *v != 0) {
		ndr->ptr_count++;
	}
	return status;
}

/*
  parse a ref pointer referent identifier
*/
_PUBLIC_ NTSTATUS ndr_pull_ref_ptr(struct ndr_pull *ndr, uint32_t *v)
{
	NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, v));
	/* ref pointers always point to data */
	*v = 1;
	return NT_STATUS_OK;
}

/*
  parse a udlong
*/
_PUBLIC_ NTSTATUS ndr_pull_udlong(struct ndr_pull *ndr, int ndr_flags, uint64_t *v)
{
	NDR_PULL_ALIGN(ndr, 4);
	NDR_PULL_NEED_BYTES(ndr, 8);
	*v = NDR_IVAL(ndr, ndr->offset);
	*v |= (uint64_t)(NDR_IVAL(ndr, ndr->offset+4)) << 32;
	ndr->offset += 8;
	return NT_STATUS_OK;
}

/*
  parse a udlongr
*/
_PUBLIC_ NTSTATUS ndr_pull_udlongr(struct ndr_pull *ndr, int ndr_flags, uint64_t *v)
{
	NDR_PULL_ALIGN(ndr, 4);
	NDR_PULL_NEED_BYTES(ndr, 8);
	*v = ((uint64_t)NDR_IVAL(ndr, ndr->offset)) << 32;
	*v |= NDR_IVAL(ndr, ndr->offset+4);
	ndr->offset += 8;
	return NT_STATUS_OK;
}

/*
  parse a dlong
*/
_PUBLIC_ NTSTATUS ndr_pull_dlong(struct ndr_pull *ndr, int ndr_flags, int64_t *v)
{
	return ndr_pull_udlong(ndr, ndr_flags, (uint64_t *)v);
}

/*
  parse a hyper
*/
_PUBLIC_ NTSTATUS ndr_pull_hyper(struct ndr_pull *ndr, int ndr_flags, uint64_t *v)
{
	NDR_PULL_ALIGN(ndr, 8);
	return ndr_pull_udlong(ndr, ndr_flags, v);
}

/*
  parse a pointer
*/
_PUBLIC_ NTSTATUS ndr_pull_pointer(struct ndr_pull *ndr, int ndr_flags, void* *v)
{
	intptr_t h;
	NDR_PULL_ALIGN(ndr, sizeof(h));
	NDR_PULL_NEED_BYTES(ndr, sizeof(h));
	memcpy(&h, ndr->data+ndr->offset, sizeof(h));
	ndr->offset += sizeof(h);
	*v = (void *)h;
	return NT_STATUS_OK;	
}

/*
  pull a NTSTATUS
*/
_PUBLIC_ NTSTATUS ndr_pull_NTSTATUS(struct ndr_pull *ndr, int ndr_flags, NTSTATUS *status)
{
	uint32_t v;
	NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &v));
	*status = NT_STATUS(v);
	return NT_STATUS_OK;
}

/*
  push a NTSTATUS
*/
_PUBLIC_ NTSTATUS ndr_push_NTSTATUS(struct ndr_push *ndr, int ndr_flags, NTSTATUS status)
{
	return ndr_push_uint32(ndr, ndr_flags, NT_STATUS_V(status));
}

_PUBLIC_ void ndr_print_NTSTATUS(struct ndr_print *ndr, const char *name, NTSTATUS r)
{
	ndr->print(ndr, "%-25s: %s", name, nt_errstr(r));
}

/*
  pull a WERROR
*/
_PUBLIC_ NTSTATUS ndr_pull_WERROR(struct ndr_pull *ndr, int ndr_flags, WERROR *status)
{
	uint32_t v;
	NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &v));
	*status = W_ERROR(v);
	return NT_STATUS_OK;
}

/*
  push a WERROR
*/
_PUBLIC_ NTSTATUS ndr_push_WERROR(struct ndr_push *ndr, int ndr_flags, WERROR status)
{
	return ndr_push_uint32(ndr, NDR_SCALARS, W_ERROR_V(status));
}

_PUBLIC_ void ndr_print_WERROR(struct ndr_print *ndr, const char *name, WERROR r)
{
	ndr->print(ndr, "%-25s: %s", name, win_errstr(r));
}

/*
  parse a set of bytes
*/
_PUBLIC_ NTSTATUS ndr_pull_bytes(struct ndr_pull *ndr, uint8_t *data, uint32_t n)
{
	NDR_PULL_NEED_BYTES(ndr, n);
	memcpy(data, ndr->data + ndr->offset, n);
	ndr->offset += n;
	return NT_STATUS_OK;
}

/*
  pull an array of uint8
*/
_PUBLIC_ NTSTATUS ndr_pull_array_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *data, uint32_t n)
{
	if (!(ndr_flags & NDR_SCALARS)) {
		return NT_STATUS_OK;
	}
	return ndr_pull_bytes(ndr, data, n);
}

/*
  push a int8_t
*/
_PUBLIC_ NTSTATUS ndr_push_int8(struct ndr_push *ndr, int ndr_flags, int8_t v)
{
	NDR_PUSH_NEED_BYTES(ndr, 1);
	SCVAL(ndr->data, ndr->offset, (uint8_t)v);
	ndr->offset += 1;
	return NT_STATUS_OK;
}

/*
  push a uint8_t
*/
_PUBLIC_ NTSTATUS ndr_push_uint8(struct ndr_push *ndr, int ndr_flags, uint8_t v)
{
	NDR_PUSH_NEED_BYTES(ndr, 1);
	SCVAL(ndr->data, ndr->offset, v);
	ndr->offset += 1;
	return NT_STATUS_OK;
}

/*
  push a int16_t
*/
_PUBLIC_ NTSTATUS ndr_push_int16(struct ndr_push *ndr, int ndr_flags, int16_t v)
{
	NDR_PUSH_ALIGN(ndr, 2);
	NDR_PUSH_NEED_BYTES(ndr, 2);
	NDR_SSVAL(ndr, ndr->offset, (uint16_t)v);
	ndr->offset += 2;
	return NT_STATUS_OK;
}

/*
  push a uint16_t
*/
_PUBLIC_ NTSTATUS ndr_push_uint16(struct ndr_push *ndr, int ndr_flags, uint16_t v)
{
	NDR_PUSH_ALIGN(ndr, 2);
	NDR_PUSH_NEED_BYTES(ndr, 2);
	NDR_SSVAL(ndr, ndr->offset, v);
	ndr->offset += 2;
	return NT_STATUS_OK;
}

/*
  push a int32_t
*/
_PUBLIC_ NTSTATUS ndr_push_int32(struct ndr_push *ndr, int ndr_flags, int32_t v)
{
	NDR_PUSH_ALIGN(ndr, 4);
	NDR_PUSH_NEED_BYTES(ndr, 4);
	NDR_SIVALS(ndr, ndr->offset, v);
	ndr->offset += 4;
	return NT_STATUS_OK;
}

/*
  push a uint32_t
*/
_PUBLIC_ NTSTATUS ndr_push_uint32(struct ndr_push *ndr, int ndr_flags, uint32_t v)
{
	NDR_PUSH_ALIGN(ndr, 4);
	NDR_PUSH_NEED_BYTES(ndr, 4);
	NDR_SIVAL(ndr, ndr->offset, v);
	ndr->offset += 4;
	return NT_STATUS_OK;
}

/*
  push a udlong
*/
_PUBLIC_ NTSTATUS ndr_push_udlong(struct ndr_push *ndr, int ndr_flags, uint64_t v)
{
	NDR_PUSH_ALIGN(ndr, 4);
	NDR_PUSH_NEED_BYTES(ndr, 8);
	NDR_SIVAL(ndr, ndr->offset, (v & 0xFFFFFFFF));
	NDR_SIVAL(ndr, ndr->offset+4, (v>>32));
	ndr->offset += 8;
	return NT_STATUS_OK;
}

/*
  push a udlongr
*/
_PUBLIC_ NTSTATUS ndr_push_udlongr(struct ndr_push *ndr, int ndr_flags, uint64_t v)
{
	NDR_PUSH_ALIGN(ndr, 4);
	NDR_PUSH_NEED_BYTES(ndr, 8);
	NDR_SIVAL(ndr, ndr->offset, (v>>32));
	NDR_SIVAL(ndr, ndr->offset+4, (v & 0xFFFFFFFF));
	ndr->offset += 8;
	return NT_STATUS_OK;
}

/*
  push a dlong
*/
_PUBLIC_ NTSTATUS ndr_push_dlong(struct ndr_push *ndr, int ndr_flags, int64_t v)
{
	return ndr_push_udlong(ndr, NDR_SCALARS, (uint64_t)v);
}

/*
  push a hyper
*/
_PUBLIC_ NTSTATUS ndr_push_hyper(struct ndr_push *ndr, int ndr_flags, uint64_t v)
{
	NDR_PUSH_ALIGN(ndr, 8);
	return ndr_push_udlong(ndr, NDR_SCALARS, v);
}

/*
  push a pointer
*/
_PUBLIC_ NTSTATUS ndr_push_pointer(struct ndr_push *ndr, int ndr_flags, void* v)
{
	intptr_t h = (intptr_t)v;
	NDR_PUSH_ALIGN(ndr, sizeof(h));
	NDR_PUSH_NEED_BYTES(ndr, sizeof(h));
	memcpy(ndr->data+ndr->offset, &h, sizeof(h));
	ndr->offset += sizeof(h);
	return NT_STATUS_OK;	
}

_PUBLIC_ NTSTATUS ndr_push_align(struct ndr_push *ndr, size_t size)
{
	NDR_PUSH_ALIGN(ndr, size);
	return NT_STATUS_OK;
}

_PUBLIC_ NTSTATUS ndr_pull_align(struct ndr_pull *ndr, size_t size)
{
	NDR_PULL_ALIGN(ndr, size);
	return NT_STATUS_OK;
}

/*
  push some bytes
*/
_PUBLIC_ NTSTATUS ndr_push_bytes(struct ndr_push *ndr, const uint8_t *data, uint32_t n)
{
	NDR_PUSH_NEED_BYTES(ndr, n);
	memcpy(ndr->data + ndr->offset, data, n);
	ndr->offset += n;
	return NT_STATUS_OK;
}

/*
  push some zero bytes
*/
_PUBLIC_ NTSTATUS ndr_push_zero(struct ndr_push *ndr, uint32_t n)
{
	NDR_PUSH_NEED_BYTES(ndr, n);
	memset(ndr->data + ndr->offset, 0, n);
	ndr->offset += n;
	return NT_STATUS_OK;
}

/*
  push an array of uint8
*/
_PUBLIC_ NTSTATUS ndr_push_array_uint8(struct ndr_push *ndr, int ndr_flags, const uint8_t *data, uint32_t n)
{
	if (!(ndr_flags & NDR_SCALARS)) {
		return NT_STATUS_OK;
	}
	return ndr_push_bytes(ndr, data, n);
}

/*
  save the current position
 */
_PUBLIC_ void ndr_push_save(struct ndr_push *ndr, struct ndr_push_save *save)
{
	save->offset = ndr->offset;
}

/*
  restore the position
 */
_PUBLIC_ void ndr_push_restore(struct ndr_push *ndr, struct ndr_push_save *save)
{
	ndr->offset = save->offset;
}

/*
  push a unique non-zero value if a pointer is non-NULL, otherwise 0
*/
_PUBLIC_ NTSTATUS ndr_push_unique_ptr(struct ndr_push *ndr, const void *p)
{
	uint32_t ptr = 0;
	if (p) {
		ptr = ndr->ptr_count * 4;
		ptr |= 0x00020000;
		ndr->ptr_count++;
	}
	return ndr_push_uint32(ndr, NDR_SCALARS, ptr);
}

/*
  push a 'simple' full non-zero value if a pointer is non-NULL, otherwise 0
*/
_PUBLIC_ NTSTATUS ndr_push_full_ptr(struct ndr_push *ndr, const void *p)
{
	uint32_t ptr = 0;
	if (p) {
		/* Check if the pointer already exists and has an id */
		ptr = ndr_token_peek(&ndr->full_ptr_list, p);
		if (ptr == 0) {
			ndr->ptr_count++;
			ptr = ndr->ptr_count;
			ndr_token_store(ndr, &ndr->full_ptr_list, p, ptr);
		}
	}
	return ndr_push_uint32(ndr, NDR_SCALARS, ptr);
}

/*
  push always a 0, if a pointer is NULL it's a fatal error
*/
_PUBLIC_ NTSTATUS ndr_push_ref_ptr(struct ndr_push *ndr)
{
	return ndr_push_uint32(ndr, NDR_SCALARS, 0xAEF1AEF1);
}


/*
  push a NTTIME
*/
_PUBLIC_ NTSTATUS ndr_push_NTTIME(struct ndr_push *ndr, int ndr_flags, NTTIME t)
{
	NDR_CHECK(ndr_push_udlong(ndr, ndr_flags, t));
	return NT_STATUS_OK;
}

/*
  pull a NTTIME
*/
_PUBLIC_ NTSTATUS ndr_pull_NTTIME(struct ndr_pull *ndr, int ndr_flags, NTTIME *t)
{
	NDR_CHECK(ndr_pull_udlong(ndr, ndr_flags, t));
	return NT_STATUS_OK;
}

/*
  push a NTTIME
*/
_PUBLIC_ NTSTATUS ndr_push_NTTIME_1sec(struct ndr_push *ndr, int ndr_flags, NTTIME t)
{
	t /= 10000000;
	NDR_CHECK(ndr_push_hyper(ndr, ndr_flags, t));
	return NT_STATUS_OK;
}

/*
  pull a NTTIME_1sec
*/
_PUBLIC_ NTSTATUS ndr_pull_NTTIME_1sec(struct ndr_pull *ndr, int ndr_flags, NTTIME *t)
{
	NDR_CHECK(ndr_pull_hyper(ndr, ndr_flags, t));
	(*t) *= 10000000;
	return NT_STATUS_OK;
}

/*
  pull a NTTIME_hyper
*/
_PUBLIC_ NTSTATUS ndr_pull_NTTIME_hyper(struct ndr_pull *ndr, int ndr_flags, NTTIME *t)
{
	NDR_CHECK(ndr_pull_hyper(ndr, ndr_flags, t));
	return NT_STATUS_OK;
}

/*
  push a NTTIME_hyper
*/
_PUBLIC_ NTSTATUS ndr_push_NTTIME_hyper(struct ndr_push *ndr, int ndr_flags, NTTIME t)
{
	NDR_CHECK(ndr_push_hyper(ndr, ndr_flags, t));
	return NT_STATUS_OK;
}

/*
  push a time_t
*/
_PUBLIC_ NTSTATUS ndr_push_time_t(struct ndr_push *ndr, int ndr_flags, time_t t)
{
	return ndr_push_uint32(ndr, ndr_flags, t);
}

/*
  pull a time_t
*/
_PUBLIC_ NTSTATUS ndr_pull_time_t(struct ndr_pull *ndr, int ndr_flags, time_t *t)
{
	uint32_t tt;
	NDR_CHECK(ndr_pull_uint32(ndr, ndr_flags, &tt));
	*t = tt;
	return NT_STATUS_OK;
}


/*
  pull a ipv4address
*/
_PUBLIC_ NTSTATUS ndr_pull_ipv4address(struct ndr_pull *ndr, int ndr_flags, const char **address)
{
	struct ipv4_addr in;
	NDR_CHECK(ndr_pull_uint32(ndr, ndr_flags, &in.addr));
	in.addr = htonl(in.addr);
	*address = talloc_strdup(ndr->current_mem_ctx, sys_inet_ntoa(in));
	NT_STATUS_HAVE_NO_MEMORY(*address);
	return NT_STATUS_OK;
}

/*
  push a ipv4address
*/
_PUBLIC_ NTSTATUS ndr_push_ipv4address(struct ndr_push *ndr, int ndr_flags, const char *address)
{
	uint32_t addr;
	if (!is_ipaddress(address)) {
		return ndr_push_error(ndr, NDR_ERR_IPV4ADDRESS,
				      "Invalid IPv4 address: '%s'", 
				      address);
	}
	addr = inet_addr(address);
	NDR_CHECK(ndr_push_uint32(ndr, ndr_flags, htonl(addr)));
	return NT_STATUS_OK;
}

/*
  print a ipv4address
*/
_PUBLIC_ void ndr_print_ipv4address(struct ndr_print *ndr, const char *name, 
			   const char *address)
{
	ndr->print(ndr, "%-25s: %s", name, address);
}


_PUBLIC_ void ndr_print_struct(struct ndr_print *ndr, const char *name, const char *type)
{
	ndr->print(ndr, "%s: struct %s", name, type);
}

_PUBLIC_ void ndr_print_enum(struct ndr_print *ndr, const char *name, const char *type, 
		    const char *val, uint32_t value)
{
	if (ndr->flags & LIBNDR_PRINT_ARRAY_HEX) {
		ndr->print(ndr, "%-25s: %s (0x%X)", name, val?val:"UNKNOWN_ENUM_VALUE", value);
	} else {
		ndr->print(ndr, "%-25s: %s (%d)", name, val?val:"UNKNOWN_ENUM_VALUE", value);
	}
}

_PUBLIC_ void ndr_print_bitmap_flag(struct ndr_print *ndr, size_t size, const char *flag_name, uint32_t flag, uint32_t value)
{
	/* this is an attempt to support multi-bit bitmap masks */
	value &= flag;

	while (!(flag & 1)) {
		flag >>= 1;
		value >>= 1;
	}	
	if (flag == 1) {
		ndr->print(ndr, "   %d: %-25s", value, flag_name);
	} else {
		ndr->print(ndr, "0x%02x: %-25s (%d)", value, flag_name, value);
	}
}

_PUBLIC_ void ndr_print_int8(struct ndr_print *ndr, const char *name, int8_t v)
{
	ndr->print(ndr, "%-25s: %d", name, v);
}

_PUBLIC_ void ndr_print_uint8(struct ndr_print *ndr, const char *name, uint8_t v)
{
	ndr->print(ndr, "%-25s: 0x%02x (%u)", name, v, v);
}

_PUBLIC_ void ndr_print_int16(struct ndr_print *ndr, const char *name, int16_t v)
{
	ndr->print(ndr, "%-25s: %d", name, v);
}

_PUBLIC_ void ndr_print_uint16(struct ndr_print *ndr, const char *name, uint16_t v)
{
	ndr->print(ndr, "%-25s: 0x%04x (%u)", name, v, v);
}

_PUBLIC_ void ndr_print_int32(struct ndr_print *ndr, const char *name, int32_t v)
{
	ndr->print(ndr, "%-25s: %d", name, v);
}

_PUBLIC_ void ndr_print_uint32(struct ndr_print *ndr, const char *name, uint32_t v)
{
	ndr->print(ndr, "%-25s: 0x%08x (%u)", name, v, v);
}

_PUBLIC_ void ndr_print_udlong(struct ndr_print *ndr, const char *name, uint64_t v)
{
	ndr->print(ndr, "%-25s: 0x%016llx (%llu)", name, (unsigned long long)v, (unsigned long long)v);
}

_PUBLIC_ void ndr_print_udlongr(struct ndr_print *ndr, const char *name, uint64_t v)
{
	ndr_print_udlong(ndr, name, v);
}

_PUBLIC_ void ndr_print_dlong(struct ndr_print *ndr, const char *name, int64_t v)
{
	ndr->print(ndr, "%-25s: 0x%016llx (%lld)", name, (unsigned long long)v, (long long)v);
}

_PUBLIC_ void ndr_print_hyper(struct ndr_print *ndr, const char *name, uint64_t v)
{
	ndr_print_dlong(ndr, name, v);
}

_PUBLIC_ void ndr_print_pointer(struct ndr_print *ndr, const char *name, void *v)
{
	ndr->print(ndr, "%-25s: %p", name, v);
}

_PUBLIC_ void ndr_print_ptr(struct ndr_print *ndr, const char *name, const void *p)
{
	if (p) {
		ndr->print(ndr, "%-25s: *", name);
	} else {
		ndr->print(ndr, "%-25s: NULL", name);
	}
}

_PUBLIC_ void ndr_print_NTTIME(struct ndr_print *ndr, const char *name, NTTIME t)
{
	ndr->print(ndr, "%-25s: %s", name, nt_time_string(ndr, t));
}

_PUBLIC_ void ndr_print_NTTIME_1sec(struct ndr_print *ndr, const char *name, NTTIME t)
{
	/* this is a standard NTTIME here
	 * as it's already converted in the pull/push code
	 */
	ndr_print_NTTIME(ndr, name, t);
}

_PUBLIC_ void ndr_print_NTTIME_hyper(struct ndr_print *ndr, const char *name, NTTIME t)
{
	ndr_print_NTTIME(ndr, name, t);
}

_PUBLIC_ void ndr_print_time_t(struct ndr_print *ndr, const char *name, time_t t)
{
	if (t == (time_t)-1 || t == 0) {
		ndr->print(ndr, "%-25s: (time_t)%d", name, (int)t);
	} else {
		ndr->print(ndr, "%-25s: %s", name, timestring(ndr, t));
	}
}

_PUBLIC_ void ndr_print_union(struct ndr_print *ndr, const char *name, int level, const char *type)
{
	if (ndr->flags & LIBNDR_PRINT_ARRAY_HEX) {
		ndr->print(ndr, "%-25s: union %s(case 0x%X)", name, type, level);
	} else {
		ndr->print(ndr, "%-25s: union %s(case %d)", name, type, level);
	}
}

_PUBLIC_ void ndr_print_bad_level(struct ndr_print *ndr, const char *name, uint16_t level)
{
	ndr->print(ndr, "UNKNOWN LEVEL %u", level);
}

_PUBLIC_ void ndr_print_array_uint8(struct ndr_print *ndr, const char *name, 
			   const uint8_t *data, uint32_t count)
{
	int i;

	if (count <= 600 && (ndr->flags & LIBNDR_PRINT_ARRAY_HEX)) {
		char s[1202];
		for (i=0;i<count;i++) {
			snprintf(&s[i*2], 3, "%02x", data[i]);
		}
		s[i*2] = 0;
		ndr->print(ndr, "%-25s: %s", name, s);
		return;
	}

	ndr->print(ndr, "%s: ARRAY(%d)", name, count);
	ndr->depth++;
	for (i=0;i<count;i++) {
		char *idx=NULL;
		asprintf(&idx, "[%d]", i);
		if (idx) {
			ndr_print_uint8(ndr, idx, data[i]);
			free(idx);
		}
	}
	ndr->depth--;	
}

_PUBLIC_ void ndr_print_DATA_BLOB(struct ndr_print *ndr, const char *name, DATA_BLOB r)
{
	ndr->print(ndr, "%-25s: DATA_BLOB length=%u", name, (unsigned)r.length);
	if (r.length) {
		dump_data(10, r.data, r.length);
	}
}


/*
  push a DATA_BLOB onto the wire. 
*/
_PUBLIC_ NTSTATUS ndr_push_DATA_BLOB(struct ndr_push *ndr, int ndr_flags, DATA_BLOB blob)
{
	if (ndr->flags & LIBNDR_ALIGN_FLAGS) {
		if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
			blob.length = NDR_ALIGN(ndr, 2);
		} else if (ndr->flags & LIBNDR_FLAG_ALIGN4) {
			blob.length = NDR_ALIGN(ndr, 4);
		} else if (ndr->flags & LIBNDR_FLAG_ALIGN8) {
			blob.length = NDR_ALIGN(ndr, 8);
		}
		NDR_PUSH_ALLOC_SIZE(ndr, blob.data, blob.length);
		data_blob_clear(&blob);
	} else if (!(ndr->flags & LIBNDR_FLAG_REMAINING)) {
		NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, blob.length));
	}
	NDR_CHECK(ndr_push_bytes(ndr, blob.data, blob.length));
	return NT_STATUS_OK;
}

/*
  pull a DATA_BLOB from the wire. 
*/
_PUBLIC_ NTSTATUS ndr_pull_DATA_BLOB(struct ndr_pull *ndr, int ndr_flags, DATA_BLOB *blob)
{
	uint32_t length = 0;

	if (ndr->flags & LIBNDR_ALIGN_FLAGS) {
		if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
			length = NDR_ALIGN(ndr, 2);
		} else if (ndr->flags & LIBNDR_FLAG_ALIGN4) {
			length = NDR_ALIGN(ndr, 4);
		} else if (ndr->flags & LIBNDR_FLAG_ALIGN8) {
			length = NDR_ALIGN(ndr, 8);
		}
		if (ndr->data_size - ndr->offset < length) {
			length = ndr->data_size - ndr->offset;
		}
	} else if (ndr->flags & LIBNDR_FLAG_REMAINING) {
		length = ndr->data_size - ndr->offset;
	} else {
		NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &length));
	}
	NDR_PULL_NEED_BYTES(ndr, length);
	*blob = data_blob_talloc(ndr->current_mem_ctx, ndr->data+ndr->offset, length);
	ndr->offset += length;
	return NT_STATUS_OK;
}

_PUBLIC_ uint32_t ndr_size_DATA_BLOB(int ret, const DATA_BLOB *data, int flags)
{
	if (!data) return ret;
	return ret + data->length;
}