2 Unix SMB/CIFS implementation.
4 routines for marshalling/unmarshalling basic types
6 Copyright (C) Andrew Tridgell 2003
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #define NDR_SVAL(ndr, ofs) (NDR_BE(ndr)?RSVAL(ndr->data,ofs):SVAL(ndr->data,ofs))
26 #define NDR_IVAL(ndr, ofs) (NDR_BE(ndr)?RIVAL(ndr->data,ofs):IVAL(ndr->data,ofs))
27 #define NDR_IVALS(ndr, ofs) (NDR_BE(ndr)?RIVALS(ndr->data,ofs):IVALS(ndr->data,ofs))
28 #define NDR_SSVAL(ndr, ofs, v) do { if (NDR_BE(ndr)) { RSSVAL(ndr->data,ofs,v); } else SSVAL(ndr->data,ofs,v); } while (0)
29 #define NDR_SIVAL(ndr, ofs, v) do { if (NDR_BE(ndr)) { RSIVAL(ndr->data,ofs,v); } else SIVAL(ndr->data,ofs,v); } while (0)
30 #define NDR_SIVALS(ndr, ofs, v) do { if (NDR_BE(ndr)) { RSIVALS(ndr->data,ofs,v); } else SIVALS(ndr->data,ofs,v); } while (0)
34 check for data leaks from the server by looking for non-zero pad bytes
35 these could also indicate that real structure elements have been
36 mistaken for padding in the IDL
38 void ndr_check_padding(struct ndr_pull
*ndr
, size_t n
)
40 size_t ofs2
= (ndr
->offset
+ (n
-1)) & ~(n
-1);
42 for (i
=ndr
->offset
;i
<ofs2
;i
++) {
43 if (ndr
->data
[i
] != 0) {
48 DEBUG(0,("WARNING: Non-zero padding to %d: ", (int)n
));
49 for (i
=ndr
->offset
;i
<ofs2
;i
++) {
50 DEBUG(0,("%02x ", ndr
->data
[i
]));
60 NTSTATUS
ndr_pull_int8(struct ndr_pull
*ndr
, int ndr_flags
, int8_t *v
)
62 NDR_PULL_NEED_BYTES(ndr
, 1);
63 *v
= (int8_t)CVAL(ndr
->data
, ndr
->offset
);
71 NTSTATUS
ndr_pull_uint8(struct ndr_pull
*ndr
, int ndr_flags
, uint8_t *v
)
73 NDR_PULL_NEED_BYTES(ndr
, 1);
74 *v
= CVAL(ndr
->data
, ndr
->offset
);
82 NTSTATUS
ndr_pull_int16(struct ndr_pull
*ndr
, int ndr_flags
, int16_t *v
)
84 NDR_PULL_ALIGN(ndr
, 2);
85 NDR_PULL_NEED_BYTES(ndr
, 2);
86 *v
= (uint16_t)NDR_SVAL(ndr
, ndr
->offset
);
94 NTSTATUS
ndr_pull_uint16(struct ndr_pull
*ndr
, int ndr_flags
, uint16_t *v
)
96 NDR_PULL_ALIGN(ndr
, 2);
97 NDR_PULL_NEED_BYTES(ndr
, 2);
98 *v
= NDR_SVAL(ndr
, ndr
->offset
);
106 NTSTATUS
ndr_pull_int32(struct ndr_pull
*ndr
, int ndr_flags
, int32_t *v
)
108 NDR_PULL_ALIGN(ndr
, 4);
109 NDR_PULL_NEED_BYTES(ndr
, 4);
110 *v
= NDR_IVALS(ndr
, ndr
->offset
);
118 NTSTATUS
ndr_pull_uint32(struct ndr_pull
*ndr
, int ndr_flags
, uint32_t *v
)
120 NDR_PULL_ALIGN(ndr
, 4);
121 NDR_PULL_NEED_BYTES(ndr
, 4);
122 *v
= NDR_IVAL(ndr
, ndr
->offset
);
128 parse a pointer referent identifier
130 NTSTATUS
ndr_pull_generic_ptr(struct ndr_pull
*ndr
, uint32_t *v
)
133 status
= ndr_pull_uint32(ndr
, NDR_SCALARS
, v
);
134 if (NT_STATUS_IS_OK(status
) && *v
!= 0) {
141 parse a ref pointer referent identifier
143 NTSTATUS
ndr_pull_ref_ptr(struct ndr_pull
*ndr
, uint32_t *v
)
145 NDR_CHECK(ndr_pull_uint32(ndr
, NDR_SCALARS
, v
));
146 /* ref pointers always point to data */
154 NTSTATUS
ndr_pull_udlong(struct ndr_pull
*ndr
, int ndr_flags
, uint64_t *v
)
156 NDR_PULL_ALIGN(ndr
, 4);
157 NDR_PULL_NEED_BYTES(ndr
, 8);
158 *v
= NDR_IVAL(ndr
, ndr
->offset
);
159 *v
|= (uint64_t)(NDR_IVAL(ndr
, ndr
->offset
+4)) << 32;
167 NTSTATUS
ndr_pull_udlongr(struct ndr_pull
*ndr
, int ndr_flags
, uint64_t *v
)
169 NDR_PULL_ALIGN(ndr
, 4);
170 NDR_PULL_NEED_BYTES(ndr
, 8);
171 *v
= ((uint64_t)NDR_IVAL(ndr
, ndr
->offset
)) << 32;
172 *v
|= NDR_IVAL(ndr
, ndr
->offset
+4);
180 NTSTATUS
ndr_pull_dlong(struct ndr_pull
*ndr
, int ndr_flags
, int64_t *v
)
182 return ndr_pull_udlong(ndr
, ndr_flags
, (uint64_t *)v
);
188 NTSTATUS
ndr_pull_hyper(struct ndr_pull
*ndr
, int ndr_flags
, uint64_t *v
)
190 NDR_PULL_ALIGN(ndr
, 8);
191 return ndr_pull_udlong(ndr
, ndr_flags
, v
);
197 NTSTATUS
ndr_pull_pointer(struct ndr_pull
*ndr
, int ndr_flags
, void* *v
)
200 NDR_PULL_ALIGN(ndr
, sizeof(h
));
201 NDR_PULL_NEED_BYTES(ndr
, sizeof(h
));
202 memcpy(&h
, ndr
->data
+ndr
->offset
, sizeof(h
));
203 ndr
->offset
+= sizeof(h
);
211 NTSTATUS
ndr_pull_NTSTATUS(struct ndr_pull
*ndr
, int ndr_flags
, NTSTATUS
*status
)
214 NDR_CHECK(ndr_pull_uint32(ndr
, NDR_SCALARS
, &v
));
215 *status
= NT_STATUS(v
);
222 NTSTATUS
ndr_push_NTSTATUS(struct ndr_push
*ndr
, int ndr_flags
, NTSTATUS status
)
224 return ndr_push_uint32(ndr
, ndr_flags
, NT_STATUS_V(status
));
227 void ndr_print_NTSTATUS(struct ndr_print
*ndr
, const char *name
, NTSTATUS r
)
229 ndr
->print(ndr
, "%-25s: %s", name
, nt_errstr(r
));
235 NTSTATUS
ndr_pull_WERROR(struct ndr_pull
*ndr
, int ndr_flags
, WERROR
*status
)
238 NDR_CHECK(ndr_pull_uint32(ndr
, NDR_SCALARS
, &v
));
239 *status
= W_ERROR(v
);
246 NTSTATUS
ndr_push_WERROR(struct ndr_push
*ndr
, int ndr_flags
, WERROR status
)
248 return ndr_push_uint32(ndr
, NDR_SCALARS
, W_ERROR_V(status
));
251 void ndr_print_WERROR(struct ndr_print
*ndr
, const char *name
, WERROR r
)
253 ndr
->print(ndr
, "%-25s: %d", name
, W_ERROR_V(r
));
259 NTSTATUS
ndr_pull_bytes(struct ndr_pull
*ndr
, uint8_t *data
, uint32_t n
)
261 NDR_PULL_NEED_BYTES(ndr
, n
);
262 memcpy(data
, ndr
->data
+ ndr
->offset
, n
);
268 pull an array of uint8
270 NTSTATUS
ndr_pull_array_uint8(struct ndr_pull
*ndr
, int ndr_flags
, uint8_t *data
, uint32_t n
)
272 if (!(ndr_flags
& NDR_SCALARS
)) {
275 return ndr_pull_bytes(ndr
, data
, n
);
281 NTSTATUS
ndr_push_int8(struct ndr_push
*ndr
, int ndr_flags
, int8_t v
)
283 NDR_PUSH_NEED_BYTES(ndr
, 1);
284 SCVAL(ndr
->data
, ndr
->offset
, (uint8_t)v
);
292 NTSTATUS
ndr_push_uint8(struct ndr_push
*ndr
, int ndr_flags
, uint8_t v
)
294 NDR_PUSH_NEED_BYTES(ndr
, 1);
295 SCVAL(ndr
->data
, ndr
->offset
, v
);
303 NTSTATUS
ndr_push_int16(struct ndr_push
*ndr
, int ndr_flags
, int16_t v
)
305 NDR_PUSH_ALIGN(ndr
, 2);
306 NDR_PUSH_NEED_BYTES(ndr
, 2);
307 NDR_SSVAL(ndr
, ndr
->offset
, (uint16_t)v
);
315 NTSTATUS
ndr_push_uint16(struct ndr_push
*ndr
, int ndr_flags
, uint16_t v
)
317 NDR_PUSH_ALIGN(ndr
, 2);
318 NDR_PUSH_NEED_BYTES(ndr
, 2);
319 NDR_SSVAL(ndr
, ndr
->offset
, v
);
327 NTSTATUS
ndr_push_int32(struct ndr_push
*ndr
, int ndr_flags
, int32_t v
)
329 NDR_PUSH_ALIGN(ndr
, 4);
330 NDR_PUSH_NEED_BYTES(ndr
, 4);
331 NDR_SIVALS(ndr
, ndr
->offset
, v
);
339 NTSTATUS
ndr_push_uint32(struct ndr_push
*ndr
, int ndr_flags
, uint32_t v
)
341 NDR_PUSH_ALIGN(ndr
, 4);
342 NDR_PUSH_NEED_BYTES(ndr
, 4);
343 NDR_SIVAL(ndr
, ndr
->offset
, v
);
351 NTSTATUS
ndr_push_udlong(struct ndr_push
*ndr
, int ndr_flags
, uint64_t v
)
353 NDR_PUSH_ALIGN(ndr
, 4);
354 NDR_PUSH_NEED_BYTES(ndr
, 8);
355 NDR_SIVAL(ndr
, ndr
->offset
, (v
& 0xFFFFFFFF));
356 NDR_SIVAL(ndr
, ndr
->offset
+4, (v
>>32));
364 NTSTATUS
ndr_push_udlongr(struct ndr_push
*ndr
, int ndr_flags
, uint64_t v
)
366 NDR_PUSH_ALIGN(ndr
, 4);
367 NDR_PUSH_NEED_BYTES(ndr
, 8);
368 NDR_SIVAL(ndr
, ndr
->offset
, (v
>>32));
369 NDR_SIVAL(ndr
, ndr
->offset
+4, (v
& 0xFFFFFFFF));
377 NTSTATUS
ndr_push_dlong(struct ndr_push
*ndr
, int ndr_flags
, int64_t v
)
379 return ndr_push_udlong(ndr
, NDR_SCALARS
, (uint64_t)v
);
385 NTSTATUS
ndr_push_hyper(struct ndr_push
*ndr
, int ndr_flags
, uint64_t v
)
387 NDR_PUSH_ALIGN(ndr
, 8);
388 return ndr_push_udlong(ndr
, NDR_SCALARS
, v
);
394 NTSTATUS
ndr_push_pointer(struct ndr_push
*ndr
, int ndr_flags
, void* v
)
396 intptr_t h
= (intptr_t)v
;
397 NDR_PUSH_ALIGN(ndr
, sizeof(h
));
398 NDR_PUSH_NEED_BYTES(ndr
, sizeof(h
));
399 memcpy(ndr
->data
+ndr
->offset
, &h
, sizeof(h
));
400 ndr
->offset
+= sizeof(h
);
404 NTSTATUS
ndr_push_align(struct ndr_push
*ndr
, size_t size
)
406 NDR_PUSH_ALIGN(ndr
, size
);
410 NTSTATUS
ndr_pull_align(struct ndr_pull
*ndr
, size_t size
)
412 NDR_PULL_ALIGN(ndr
, size
);
419 NTSTATUS
ndr_push_bytes(struct ndr_push
*ndr
, const uint8_t *data
, uint32_t n
)
421 NDR_PUSH_NEED_BYTES(ndr
, n
);
422 memcpy(ndr
->data
+ ndr
->offset
, data
, n
);
430 NTSTATUS
ndr_push_zero(struct ndr_push
*ndr
, uint32_t n
)
432 NDR_PUSH_NEED_BYTES(ndr
, n
);
433 memset(ndr
->data
+ ndr
->offset
, 0, n
);
439 push an array of uint8
441 NTSTATUS
ndr_push_array_uint8(struct ndr_push
*ndr
, int ndr_flags
, const uint8_t *data
, uint32_t n
)
443 if (!(ndr_flags
& NDR_SCALARS
)) {
446 return ndr_push_bytes(ndr
, data
, n
);
450 save the current position
452 void ndr_push_save(struct ndr_push
*ndr
, struct ndr_push_save
*save
)
454 save
->offset
= ndr
->offset
;
460 void ndr_push_restore(struct ndr_push
*ndr
, struct ndr_push_save
*save
)
462 ndr
->offset
= save
->offset
;
466 push a unique non-zero value if a pointer is non-NULL, otherwise 0
468 NTSTATUS
ndr_push_unique_ptr(struct ndr_push
*ndr
, const void *p
)
472 ptr
= ndr
->ptr_count
* 4;
476 return ndr_push_uint32(ndr
, NDR_SCALARS
, ptr
);
480 push a 'simple' full non-zero value if a pointer is non-NULL, otherwise 0
482 NTSTATUS
ndr_push_sptr_ptr(struct ndr_push
*ndr
, const void *p
)
487 ptr
= ndr
->ptr_count
;
489 return ndr_push_uint32(ndr
, NDR_SCALARS
, ptr
);
493 push always a 0, if a pointer is NULL it's a fatal error
495 NTSTATUS
ndr_push_ref_ptr(struct ndr_push
*ndr
, const void *p
)
498 return NT_STATUS_INVALID_PARAMETER_MIX
;
500 return ndr_push_uint32(ndr
, NDR_SCALARS
, 0xAEF1AEF1);
506 NTSTATUS
ndr_push_NTTIME(struct ndr_push
*ndr
, int ndr_flags
, NTTIME t
)
508 NDR_CHECK(ndr_push_udlong(ndr
, ndr_flags
, t
));
515 NTSTATUS
ndr_pull_NTTIME(struct ndr_pull
*ndr
, int ndr_flags
, NTTIME
*t
)
517 NDR_CHECK(ndr_pull_udlong(ndr
, ndr_flags
, t
));
524 NTSTATUS
ndr_push_NTTIME_1sec(struct ndr_push
*ndr
, int ndr_flags
, NTTIME t
)
527 NDR_CHECK(ndr_push_hyper(ndr
, ndr_flags
, t
));
534 NTSTATUS
ndr_pull_NTTIME_1sec(struct ndr_pull
*ndr
, int ndr_flags
, NTTIME
*t
)
536 NDR_CHECK(ndr_pull_hyper(ndr
, ndr_flags
, t
));
544 NTSTATUS
ndr_pull_NTTIME_hyper(struct ndr_pull
*ndr
, int ndr_flags
, NTTIME
*t
)
546 NDR_CHECK(ndr_pull_hyper(ndr
, ndr_flags
, t
));
553 NTSTATUS
ndr_push_NTTIME_hyper(struct ndr_push
*ndr
, int ndr_flags
, NTTIME t
)
555 NDR_CHECK(ndr_push_hyper(ndr
, ndr_flags
, t
));
562 NTSTATUS
ndr_push_time_t(struct ndr_push
*ndr
, int ndr_flags
, time_t t
)
564 return ndr_push_uint32(ndr
, ndr_flags
, t
);
570 NTSTATUS
ndr_pull_time_t(struct ndr_pull
*ndr
, int ndr_flags
, time_t *t
)
573 NDR_CHECK(ndr_pull_uint32(ndr
, ndr_flags
, &tt
));
579 void ndr_print_struct(struct ndr_print
*ndr
, const char *name
, const char *type
)
581 ndr
->print(ndr
, "%s: struct %s", name
, type
);
584 void ndr_print_enum(struct ndr_print
*ndr
, const char *name
, const char *type
,
585 const char *val
, uint32_t value
)
587 if (ndr
->flags
& LIBNDR_PRINT_ARRAY_HEX
) {
588 ndr
->print(ndr
, "%-25s: %s (0x%X)", name
, val
?val
:"UNKNOWN_ENUM_VALUE", value
);
590 ndr
->print(ndr
, "%-25s: %s (%d)", name
, val
?val
:"UNKNOWN_ENUM_VALUE", value
);
594 void ndr_print_bitmap_flag(struct ndr_print
*ndr
, size_t size
, const char *flag_name
, uint32_t flag
, uint32_t value
)
596 /* this is an attempt to support multi-bit bitmap masks */
599 while (!(flag
& 1)) {
604 ndr
->print(ndr
, " %d: %-25s", value
, flag_name
);
606 ndr
->print(ndr
, "0x%02x: %-25s (%d)", value
, flag_name
, value
);
610 void ndr_print_int8(struct ndr_print
*ndr
, const char *name
, int8_t v
)
612 ndr
->print(ndr
, "%-25s: %d", name
, v
);
615 void ndr_print_uint8(struct ndr_print
*ndr
, const char *name
, uint8_t v
)
617 ndr
->print(ndr
, "%-25s: 0x%02x (%u)", name
, v
, v
);
620 void ndr_print_int16(struct ndr_print
*ndr
, const char *name
, int16_t v
)
622 ndr
->print(ndr
, "%-25s: %d", name
, v
);
625 void ndr_print_uint16(struct ndr_print
*ndr
, const char *name
, uint16_t v
)
627 ndr
->print(ndr
, "%-25s: 0x%04x (%u)", name
, v
, v
);
630 void ndr_print_int32(struct ndr_print
*ndr
, const char *name
, int32_t v
)
632 ndr
->print(ndr
, "%-25s: %d", name
, v
);
635 void ndr_print_uint32(struct ndr_print
*ndr
, const char *name
, uint32_t v
)
637 ndr
->print(ndr
, "%-25s: 0x%08x (%u)", name
, v
, v
);
640 void ndr_print_udlong(struct ndr_print
*ndr
, const char *name
, uint64_t v
)
642 ndr
->print(ndr
, "%-25s: 0x%016llx (%llu)", name
, v
, v
);
645 void ndr_print_udlongr(struct ndr_print
*ndr
, const char *name
, uint64_t v
)
647 ndr_print_udlong(ndr
, name
, v
);
650 void ndr_print_dlong(struct ndr_print
*ndr
, const char *name
, int64_t v
)
652 ndr
->print(ndr
, "%-25s: 0x%016llx (%lld)", name
, v
, v
);
655 void ndr_print_hyper(struct ndr_print
*ndr
, const char *name
, uint64_t v
)
657 ndr_print_dlong(ndr
, name
, v
);
660 void ndr_print_pointer(struct ndr_print
*ndr
, const char *name
, void *v
)
662 ndr
->print(ndr
, "%-25s: %p", name
, v
);
665 void ndr_print_ptr(struct ndr_print
*ndr
, const char *name
, const void *p
)
668 ndr
->print(ndr
, "%-25s: *", name
);
670 ndr
->print(ndr
, "%-25s: NULL", name
);
674 void ndr_print_NTTIME(struct ndr_print
*ndr
, const char *name
, NTTIME t
)
676 ndr
->print(ndr
, "%-25s: %s", name
, nt_time_string(ndr
, t
));
679 void ndr_print_NTTIME_1sec(struct ndr_print
*ndr
, const char *name
, NTTIME t
)
681 /* this is a standard NTTIME here
682 * as it's already converted in the pull/push code
684 ndr_print_NTTIME(ndr
, name
, t
);
687 void ndr_print_NTTIME_hyper(struct ndr_print
*ndr
, const char *name
, NTTIME t
)
689 ndr_print_NTTIME(ndr
, name
, t
);
692 void ndr_print_time_t(struct ndr_print
*ndr
, const char *name
, time_t t
)
694 if (t
== (time_t)-1 || t
== 0) {
695 ndr
->print(ndr
, "%-25s: (time_t)%d", name
, (int)t
);
697 ndr
->print(ndr
, "%-25s: %s", name
, timestring(ndr
, t
));
701 void ndr_print_union(struct ndr_print
*ndr
, const char *name
, int level
, const char *type
)
703 if (ndr
->flags
& LIBNDR_PRINT_ARRAY_HEX
) {
704 ndr
->print(ndr
, "%-25s: union %s(case 0x%X)", name
, type
, level
);
706 ndr
->print(ndr
, "%-25s: union %s(case %d)", name
, type
, level
);
710 void ndr_print_bad_level(struct ndr_print
*ndr
, const char *name
, uint16_t level
)
712 ndr
->print(ndr
, "UNKNOWN LEVEL %u", level
);
715 void ndr_print_array_uint8(struct ndr_print
*ndr
, const char *name
,
716 const uint8_t *data
, uint32_t count
)
720 if (count
<= 600 && (ndr
->flags
& LIBNDR_PRINT_ARRAY_HEX
)) {
722 for (i
=0;i
<count
;i
++) {
723 snprintf(&s
[i
*2], 3, "%02x", data
[i
]);
726 ndr
->print(ndr
, "%-25s: %s", name
, s
);
730 ndr
->print(ndr
, "%s: ARRAY(%d)", name
, count
);
732 for (i
=0;i
<count
;i
++) {
734 asprintf(&idx
, "[%d]", i
);
736 ndr_print_uint8(ndr
, idx
, data
[i
]);
743 void ndr_print_DATA_BLOB(struct ndr_print
*ndr
, const char *name
, DATA_BLOB r
)
745 ndr
->print(ndr
, "%-25s: DATA_BLOB length=%u", name
, r
.length
);
747 dump_data(10, (const char *)r
.data
, r
.length
);
753 push a DATA_BLOB onto the wire.
755 NTSTATUS
ndr_push_DATA_BLOB(struct ndr_push
*ndr
, int ndr_flags
, DATA_BLOB blob
)
757 if (ndr
->flags
& LIBNDR_ALIGN_FLAGS
) {
758 if (ndr
->flags
& LIBNDR_FLAG_ALIGN2
) {
759 blob
.length
= NDR_ALIGN(ndr
, 2);
760 } else if (ndr
->flags
& LIBNDR_FLAG_ALIGN4
) {
761 blob
.length
= NDR_ALIGN(ndr
, 4);
762 } else if (ndr
->flags
& LIBNDR_FLAG_ALIGN8
) {
763 blob
.length
= NDR_ALIGN(ndr
, 8);
765 NDR_PUSH_ALLOC_SIZE(ndr
, blob
.data
, blob
.length
);
766 data_blob_clear(&blob
);
767 } else if (!(ndr
->flags
& LIBNDR_FLAG_REMAINING
)) {
768 NDR_CHECK(ndr_push_uint32(ndr
, NDR_SCALARS
, blob
.length
));
770 NDR_CHECK(ndr_push_bytes(ndr
, blob
.data
, blob
.length
));
775 pull a DATA_BLOB from the wire.
777 NTSTATUS
ndr_pull_DATA_BLOB(struct ndr_pull
*ndr
, int ndr_flags
, DATA_BLOB
*blob
)
781 if (ndr
->flags
& LIBNDR_ALIGN_FLAGS
) {
782 if (ndr
->flags
& LIBNDR_FLAG_ALIGN2
) {
783 length
= NDR_ALIGN(ndr
, 2);
784 } else if (ndr
->flags
& LIBNDR_FLAG_ALIGN4
) {
785 length
= NDR_ALIGN(ndr
, 4);
786 } else if (ndr
->flags
& LIBNDR_FLAG_ALIGN8
) {
787 length
= NDR_ALIGN(ndr
, 8);
789 if (ndr
->data_size
- ndr
->offset
< length
) {
790 length
= ndr
->data_size
- ndr
->offset
;
792 } else if (ndr
->flags
& LIBNDR_FLAG_REMAINING
) {
793 length
= ndr
->data_size
- ndr
->offset
;
795 NDR_CHECK(ndr_pull_uint32(ndr
, NDR_SCALARS
, &length
));
797 NDR_PULL_NEED_BYTES(ndr
, length
);
798 *blob
= data_blob_talloc(ndr
->current_mem_ctx
, ndr
->data
+ndr
->offset
, length
);
799 ndr
->offset
+= length
;
803 uint32_t ndr_size_DATA_BLOB(int ret
, const DATA_BLOB
*data
, int flags
)
805 return ret
+ data
->length
;