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.
24 #include "system/network.h"
26 #define NDR_SVAL(ndr, ofs) (NDR_BE(ndr)?RSVAL(ndr->data,ofs):SVAL(ndr->data,ofs))
27 #define NDR_IVAL(ndr, ofs) (NDR_BE(ndr)?RIVAL(ndr->data,ofs):IVAL(ndr->data,ofs))
28 #define NDR_IVALS(ndr, ofs) (NDR_BE(ndr)?RIVALS(ndr->data,ofs):IVALS(ndr->data,ofs))
29 #define NDR_SSVAL(ndr, ofs, v) do { if (NDR_BE(ndr)) { RSSVAL(ndr->data,ofs,v); } else SSVAL(ndr->data,ofs,v); } while (0)
30 #define NDR_SIVAL(ndr, ofs, v) do { if (NDR_BE(ndr)) { RSIVAL(ndr->data,ofs,v); } else SIVAL(ndr->data,ofs,v); } while (0)
31 #define NDR_SIVALS(ndr, ofs, v) do { if (NDR_BE(ndr)) { RSIVALS(ndr->data,ofs,v); } else SIVALS(ndr->data,ofs,v); } while (0)
35 check for data leaks from the server by looking for non-zero pad bytes
36 these could also indicate that real structure elements have been
37 mistaken for padding in the IDL
39 void ndr_check_padding(struct ndr_pull *ndr, size_t n)
41 size_t ofs2 = (ndr->offset + (n-1)) & ~(n-1);
43 for (i=ndr->offset;i<ofs2;i++) {
44 if (ndr->data[i] != 0) {
49 DEBUG(0,("WARNING: Non-zero padding to %d: ", n));
50 for (i=ndr->offset;i<ofs2;i++) {
51 DEBUG(0,("%02x ", ndr->data[i]));
61 NTSTATUS ndr_pull_int8(struct ndr_pull *ndr, int ndr_flags, int8_t *v)
63 NDR_PULL_NEED_BYTES(ndr, 1);
64 *v = (int8_t)CVAL(ndr->data, ndr->offset);
72 NTSTATUS ndr_pull_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *v)
74 NDR_PULL_NEED_BYTES(ndr, 1);
75 *v = CVAL(ndr->data, ndr->offset);
83 NTSTATUS ndr_pull_int16(struct ndr_pull *ndr, int ndr_flags, int16_t *v)
85 NDR_PULL_ALIGN(ndr, 2);
86 NDR_PULL_NEED_BYTES(ndr, 2);
87 *v = (uint16_t)NDR_SVAL(ndr, ndr->offset);
95 NTSTATUS ndr_pull_uint16(struct ndr_pull *ndr, int ndr_flags, uint16_t *v)
97 NDR_PULL_ALIGN(ndr, 2);
98 NDR_PULL_NEED_BYTES(ndr, 2);
99 *v = NDR_SVAL(ndr, ndr->offset);
107 NTSTATUS ndr_pull_int32(struct ndr_pull *ndr, int ndr_flags, int32_t *v)
109 NDR_PULL_ALIGN(ndr, 4);
110 NDR_PULL_NEED_BYTES(ndr, 4);
111 *v = NDR_IVALS(ndr, ndr->offset);
119 NTSTATUS ndr_pull_uint32(struct ndr_pull *ndr, int ndr_flags, uint32_t *v)
121 NDR_PULL_ALIGN(ndr, 4);
122 NDR_PULL_NEED_BYTES(ndr, 4);
123 *v = NDR_IVAL(ndr, ndr->offset);
129 parse a pointer referent identifier
131 NTSTATUS ndr_pull_unique_ptr(struct ndr_pull *ndr, uint32_t *v)
134 status = ndr_pull_uint32(ndr, NDR_SCALARS, v);
142 parse a ref pointer referent identifier
144 NTSTATUS ndr_pull_ref_ptr(struct ndr_pull *ndr, uint32_t *v)
146 NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, v));
147 /* ref pointers always point to data */
155 NTSTATUS ndr_pull_udlong(struct ndr_pull *ndr, int ndr_flags, uint64_t *v)
157 NDR_PULL_ALIGN(ndr, 4);
158 NDR_PULL_NEED_BYTES(ndr, 8);
159 *v = NDR_IVAL(ndr, ndr->offset);
160 *v |= (uint64_t)(NDR_IVAL(ndr, ndr->offset+4)) << 32;
168 NTSTATUS ndr_pull_udlongr(struct ndr_pull *ndr, int ndr_flags, uint64_t *v)
170 NDR_PULL_ALIGN(ndr, 4);
171 NDR_PULL_NEED_BYTES(ndr, 8);
172 *v = ((uint64_t)NDR_IVAL(ndr, ndr->offset)) << 32;
173 *v |= NDR_IVAL(ndr, ndr->offset+4);
181 NTSTATUS ndr_pull_dlong(struct ndr_pull *ndr, int ndr_flags, int64_t *v)
183 return ndr_pull_udlong(ndr, ndr_flags, (uint64_t *)v);
189 NTSTATUS ndr_pull_hyper(struct ndr_pull *ndr, int ndr_flags, uint64_t *v)
191 NDR_PULL_ALIGN(ndr, 8);
192 return ndr_pull_udlong(ndr, ndr_flags, v);
198 NTSTATUS ndr_pull_NTSTATUS(struct ndr_pull *ndr, int ndr_flags, NTSTATUS *status)
201 NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &v));
202 *status = NT_STATUS(v);
209 NTSTATUS ndr_push_NTSTATUS(struct ndr_push *ndr, int ndr_flags, NTSTATUS status)
211 return ndr_push_uint32(ndr, ndr_flags, NT_STATUS_V(status));
214 void ndr_print_NTSTATUS(struct ndr_print *ndr, const char *name, NTSTATUS r)
216 ndr->print(ndr, "%-25s: %s", name, nt_errstr(r));
222 NTSTATUS ndr_pull_WERROR(struct ndr_pull *ndr, int ndr_flags, WERROR *status)
225 NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &v));
226 *status = W_ERROR(v);
233 NTSTATUS ndr_push_WERROR(struct ndr_push *ndr, int ndr_flags, WERROR status)
235 return ndr_push_uint32(ndr, NDR_SCALARS, W_ERROR_V(status));
238 void ndr_print_WERROR(struct ndr_print *ndr, const char *name, WERROR r)
240 ndr->print(ndr, "%-25s: %s", name, win_errstr(r));
246 NTSTATUS ndr_pull_bytes(struct ndr_pull *ndr, uint8_t *data, uint32_t n)
248 NDR_PULL_NEED_BYTES(ndr, n);
249 memcpy(data, ndr->data + ndr->offset, n);
255 pull an array of uint8
257 NTSTATUS ndr_pull_array_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *data, uint32_t n)
259 if (!(ndr_flags & NDR_SCALARS)) {
262 return ndr_pull_bytes(ndr, data, n);
266 pull an array of uint16
268 NTSTATUS ndr_pull_array_uint16(struct ndr_pull *ndr, int ndr_flags, uint16_t *data, uint32_t n)
271 if (!(ndr_flags & NDR_SCALARS)) {
275 NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &data[i]));
281 pull a const array of uint32_t
283 NTSTATUS ndr_pull_array_uint32(struct ndr_pull *ndr, int ndr_flags, uint32_t *data, uint32_t n)
286 if (!(ndr_flags & NDR_SCALARS)) {
290 NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &data[i]));
296 pull a const array of hyper
298 NTSTATUS ndr_pull_array_hyper(struct ndr_pull *ndr, int ndr_flags, uint64_t *data, uint32_t n)
301 if (!(ndr_flags & NDR_SCALARS)) {
305 NDR_CHECK(ndr_pull_hyper(ndr, NDR_SCALARS, &data[i]));
311 pull a const array of WERROR
313 NTSTATUS ndr_pull_array_WERROR(struct ndr_pull *ndr, int ndr_flags, WERROR *data, uint32_t n)
316 if (!(ndr_flags & NDR_SCALARS)) {
320 NDR_CHECK(ndr_pull_WERROR(ndr, NDR_SCALARS, &data[i]));
328 NTSTATUS ndr_push_int8(struct ndr_push *ndr, int ndr_flags, int8_t v)
330 NDR_PUSH_NEED_BYTES(ndr, 1);
331 SCVAL(ndr->data, ndr->offset, (uint8_t)v);
339 NTSTATUS ndr_push_uint8(struct ndr_push *ndr, int ndr_flags, uint8_t v)
341 NDR_PUSH_NEED_BYTES(ndr, 1);
342 SCVAL(ndr->data, ndr->offset, v);
350 NTSTATUS ndr_push_int16(struct ndr_push *ndr, int ndr_flags, int16_t v)
352 NDR_PUSH_ALIGN(ndr, 2);
353 NDR_PUSH_NEED_BYTES(ndr, 2);
354 NDR_SSVAL(ndr, ndr->offset, (uint16_t)v);
362 NTSTATUS ndr_push_uint16(struct ndr_push *ndr, int ndr_flags, uint16_t v)
364 NDR_PUSH_ALIGN(ndr, 2);
365 NDR_PUSH_NEED_BYTES(ndr, 2);
366 NDR_SSVAL(ndr, ndr->offset, v);
374 NTSTATUS ndr_push_int32(struct ndr_push *ndr, int ndr_flags, int32_t v)
376 NDR_PUSH_ALIGN(ndr, 4);
377 NDR_PUSH_NEED_BYTES(ndr, 4);
378 NDR_SIVALS(ndr, ndr->offset, v);
386 NTSTATUS ndr_push_uint32(struct ndr_push *ndr, int ndr_flags, uint32_t v)
388 NDR_PUSH_ALIGN(ndr, 4);
389 NDR_PUSH_NEED_BYTES(ndr, 4);
390 NDR_SIVAL(ndr, ndr->offset, v);
398 NTSTATUS ndr_push_udlong(struct ndr_push *ndr, int ndr_flags, uint64_t v)
400 NDR_PUSH_ALIGN(ndr, 4);
401 NDR_PUSH_NEED_BYTES(ndr, 8);
402 NDR_SIVAL(ndr, ndr->offset, (v & 0xFFFFFFFF));
403 NDR_SIVAL(ndr, ndr->offset+4, (v>>32));
411 NTSTATUS ndr_push_udlongr(struct ndr_push *ndr, int ndr_flags, uint64_t v)
413 NDR_PUSH_ALIGN(ndr, 4);
414 NDR_PUSH_NEED_BYTES(ndr, 8);
415 NDR_SIVAL(ndr, ndr->offset+4, (v>>32));
416 NDR_SIVAL(ndr, ndr->offset, (v & 0xFFFFFFFF));
424 NTSTATUS ndr_push_dlong(struct ndr_push *ndr, int ndr_flags, int64_t v)
426 return ndr_push_udlong(ndr, NDR_SCALARS, (uint64_t)v);
432 NTSTATUS ndr_push_hyper(struct ndr_push *ndr, int ndr_flags, uint64_t v)
434 NDR_PUSH_ALIGN(ndr, 8);
435 return ndr_push_udlong(ndr, NDR_SCALARS, v);
438 NTSTATUS ndr_push_align(struct ndr_push *ndr, size_t size)
440 NDR_PUSH_ALIGN(ndr, size);
444 NTSTATUS ndr_pull_align(struct ndr_pull *ndr, size_t size)
446 NDR_PULL_ALIGN(ndr, size);
453 NTSTATUS ndr_push_bytes(struct ndr_push *ndr, const uint8_t *data, uint32_t n)
455 NDR_PUSH_NEED_BYTES(ndr, n);
456 memcpy(ndr->data + ndr->offset, data, n);
464 NTSTATUS ndr_push_zero(struct ndr_push *ndr, uint32_t n)
466 NDR_PUSH_NEED_BYTES(ndr, n);
467 memset(ndr->data + ndr->offset, 0, n);
473 push an array of uint8
475 NTSTATUS ndr_push_array_uint8(struct ndr_push *ndr, int ndr_flags, const uint8_t *data, uint32_t n)
477 if (!(ndr_flags & NDR_SCALARS)) {
480 return ndr_push_bytes(ndr, data, n);
484 push an array of uint16
486 NTSTATUS ndr_push_array_uint16(struct ndr_push *ndr, int ndr_flags, const uint16_t *data, uint32_t n)
489 if (!(ndr_flags & NDR_SCALARS)) {
493 NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, data[i]));
499 push an array of uint32_t
501 NTSTATUS ndr_push_array_uint32(struct ndr_push *ndr, int ndr_flags, const uint32_t *data, uint32_t n)
504 if (!(ndr_flags & NDR_SCALARS)) {
508 NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, data[i]));
514 push an array of hyper
516 NTSTATUS ndr_push_array_hyper(struct ndr_push *ndr, int ndr_flags, const uint64_t *data, uint32_t n)
519 if (!(ndr_flags & NDR_SCALARS)) {
523 NDR_CHECK(ndr_push_hyper(ndr, NDR_SCALARS, data[i]));
529 push an array of hyper
531 NTSTATUS ndr_push_array_WERROR(struct ndr_push *ndr, int ndr_flags, const WERROR *data, uint32_t n)
534 if (!(ndr_flags & NDR_SCALARS)) {
538 NDR_CHECK(ndr_push_WERROR(ndr, NDR_SCALARS, data[i]));
544 save the current position
546 void ndr_push_save(struct ndr_push *ndr, struct ndr_push_save *save)
548 save->offset = ndr->offset;
554 void ndr_push_restore(struct ndr_push *ndr, struct ndr_push_save *save)
556 ndr->offset = save->offset;
560 push a unique non-zero value if a pointer is non-NULL, otherwise 0
562 NTSTATUS ndr_push_unique_ptr(struct ndr_push *ndr, const void *p)
567 ptr = ndr->ptr_count;
569 return ndr_push_uint32(ndr, NDR_SCALARS, ptr);
573 push always a 0, if a pointer is NULL it's a fatal error
575 NTSTATUS ndr_push_ref_ptr(struct ndr_push *ndr, const void *p)
578 return NT_STATUS_INVALID_PARAMETER_MIX;
580 return ndr_push_uint32(ndr, NDR_SCALARS, 0);
587 NTSTATUS ndr_push_NTTIME(struct ndr_push *ndr, int ndr_flags, NTTIME t)
589 NDR_CHECK(ndr_push_udlong(ndr, ndr_flags, t));
596 NTSTATUS ndr_pull_NTTIME(struct ndr_pull *ndr, int ndr_flags, NTTIME *t)
598 NDR_CHECK(ndr_pull_udlong(ndr, ndr_flags, t));
605 NTSTATUS ndr_push_NTTIME_1sec(struct ndr_push *ndr, int ndr_flags, NTTIME t)
608 NDR_CHECK(ndr_push_hyper(ndr, ndr_flags, t));
615 NTSTATUS ndr_pull_NTTIME_1sec(struct ndr_pull *ndr, int ndr_flags, NTTIME *t)
617 NDR_CHECK(ndr_pull_hyper(ndr, ndr_flags, t));
625 NTSTATUS ndr_pull_NTTIME_hyper(struct ndr_pull *ndr, int ndr_flags, NTTIME *t)
627 NDR_CHECK(ndr_pull_hyper(ndr, ndr_flags, t));
634 NTSTATUS ndr_push_NTTIME_hyper(struct ndr_push *ndr, int ndr_flags, NTTIME t)
636 NDR_CHECK(ndr_push_hyper(ndr, ndr_flags, t));
643 NTSTATUS ndr_push_time_t(struct ndr_push *ndr, int ndr_flags, time_t t)
645 return ndr_push_uint32(ndr, ndr_flags, t);
651 NTSTATUS ndr_pull_time_t(struct ndr_pull *ndr, int ndr_flags, time_t *t)
654 NDR_CHECK(ndr_pull_uint32(ndr, ndr_flags, &tt));
663 NTSTATUS ndr_pull_ipv4address(struct ndr_pull *ndr, int ndr_flags, const char **address)
666 NDR_CHECK(ndr_pull_uint32(ndr, ndr_flags, &in.addr));
667 in.addr = htonl(in.addr);
668 *address = talloc_strdup(ndr, sys_inet_ntoa(in));
669 NT_STATUS_HAVE_NO_MEMORY(*address);
676 NTSTATUS ndr_push_ipv4address(struct ndr_push *ndr, int ndr_flags, const char *address)
678 uint32_t addr = interpret_addr(address);
679 NDR_CHECK(ndr_push_uint32(ndr, ndr_flags, htonl(addr)));
686 void ndr_print_ipv4address(struct ndr_print *ndr, const char *name,
689 ndr->print(ndr, "%-25s: %s", name, address);
693 void ndr_print_struct(struct ndr_print *ndr, const char *name, const char *type)
695 ndr->print(ndr, "%s: struct %s", name, type);
698 void ndr_print_enum(struct ndr_print *ndr, const char *name, const char *type,
699 const char *val, uint_t value)
701 if (ndr->flags & LIBNDR_PRINT_ARRAY_HEX) {
702 ndr->print(ndr, "%-25s: %s (0x%X)", name, val?val:"UNKNOWN_ENUM_VALUE", value);
704 ndr->print(ndr, "%-25s: %s (%d)", name, val?val:"UNKNOWN_ENUM_VALUE", value);
708 void ndr_print_bitmap_flag(struct ndr_print *ndr, size_t size, const char *flag_name, uint_t flag, uint_t value)
710 /* this is an attempt to support multi-bit bitmap masks */
713 while (!(flag & 1)) {
718 ndr->print(ndr, " %d: %-25s", value, flag_name);
720 ndr->print(ndr, "0x%02x: %-25s (%d)", value, flag_name, value);
724 void ndr_print_int8(struct ndr_print *ndr, const char *name, int8_t v)
726 ndr->print(ndr, "%-25s: %d", name, v);
729 void ndr_print_uint8(struct ndr_print *ndr, const char *name, uint8_t v)
731 ndr->print(ndr, "%-25s: 0x%02x (%u)", name, v, v);
734 void ndr_print_int16(struct ndr_print *ndr, const char *name, int16_t v)
736 ndr->print(ndr, "%-25s: %d", name, v);
739 void ndr_print_uint16(struct ndr_print *ndr, const char *name, uint16_t v)
741 ndr->print(ndr, "%-25s: 0x%04x (%u)", name, v, v);
744 void ndr_print_int32(struct ndr_print *ndr, const char *name, int32_t v)
746 ndr->print(ndr, "%-25s: %d", name, v);
749 void ndr_print_uint32(struct ndr_print *ndr, const char *name, uint32_t v)
751 ndr->print(ndr, "%-25s: 0x%08x (%u)", name, v, v);
754 void ndr_print_udlong(struct ndr_print *ndr, const char *name, uint64_t v)
756 ndr->print(ndr, "%-25s: 0x%08x%08x (%llu)", name,
758 (uint32_t)(v & 0xFFFFFFFF),
762 void ndr_print_udlongr(struct ndr_print *ndr, const char *name, uint64_t v)
764 ndr_print_udlong(ndr, name, v);
767 void ndr_print_dlong(struct ndr_print *ndr, const char *name, int64_t v)
769 ndr->print(ndr, "%-25s: 0x%08x%08x (%lld)", name,
771 (uint32_t)(v & 0xFFFFFFFF),
775 void ndr_print_hyper(struct ndr_print *ndr, const char *name, uint64_t v)
777 ndr_print_dlong(ndr, name, v);
780 void ndr_print_ptr(struct ndr_print *ndr, const char *name, const void *p)
783 ndr->print(ndr, "%-25s: *", name);
785 ndr->print(ndr, "%-25s: NULL", name);
789 void ndr_print_NTTIME(struct ndr_print *ndr, const char *name, NTTIME t)
791 ndr->print(ndr, "%-25s: %s", name, nt_time_string(ndr, t));
794 void ndr_print_NTTIME_1sec(struct ndr_print *ndr, const char *name, NTTIME t)
796 /* this is a standard NTTIME here
797 * as it's already converted in the pull/push code
799 ndr_print_NTTIME(ndr, name, t);
802 void ndr_print_NTTIME_hyper(struct ndr_print *ndr, const char *name, NTTIME t)
804 ndr_print_NTTIME(ndr, name, t);
807 void ndr_print_time_t(struct ndr_print *ndr, const char *name, time_t t)
809 if (t == (time_t)-1 || t == 0) {
810 ndr->print(ndr, "%-25s: (time_t)%d", name, (int)t);
812 ndr->print(ndr, "%-25s: %s", name, timestring(ndr, t));
816 void ndr_print_union(struct ndr_print *ndr, const char *name, int level, const char *type)
818 ndr->print(ndr, "%-25s: union %s(case %d)", name, type, level);
821 void ndr_print_bad_level(struct ndr_print *ndr, const char *name, uint16_t level)
823 ndr->print(ndr, "UNKNOWN LEVEL %u", level);
826 void ndr_print_array_WERROR(struct ndr_print *ndr, const char *name,
827 const WERROR *data, uint32_t count)
831 ndr->print(ndr, "%s: ARRAY(%d)", name, count);
833 for (i=0;i<count;i++) {
835 asprintf(&idx, "[%d]", i);
837 ndr_print_WERROR(ndr, idx, data[i]);
844 void ndr_print_array_hyper(struct ndr_print *ndr, const char *name,
845 const uint64_t *data, uint32_t count)
849 ndr->print(ndr, "%s: ARRAY(%d)", name, count);
851 for (i=0;i<count;i++) {
853 asprintf(&idx, "[%d]", i);
855 ndr_print_hyper(ndr, idx, data[i]);
862 void ndr_print_array_uint32(struct ndr_print *ndr, const char *name,
863 const uint32_t *data, uint32_t count)
867 ndr->print(ndr, "%s: ARRAY(%d)", name, count);
869 for (i=0;i<count;i++) {
871 asprintf(&idx, "[%d]", i);
873 ndr_print_uint32(ndr, idx, data[i]);
880 void ndr_print_array_uint16(struct ndr_print *ndr, const char *name,
881 const uint16_t *data, uint32_t count)
885 ndr->print(ndr, "%s: ARRAY(%d)", name, count);
887 for (i=0;i<count;i++) {
889 asprintf(&idx, "[%d]", i);
891 ndr_print_uint16(ndr, idx, data[i]);
898 void ndr_print_array_uint8(struct ndr_print *ndr, const char *name,
899 const uint8_t *data, uint32_t count)
903 if (count <= 600 && (ndr->flags & LIBNDR_PRINT_ARRAY_HEX)) {
905 for (i=0;i<count;i++) {
906 snprintf(&s[i*2], 3, "%02x", data[i]);
909 ndr->print(ndr, "%-25s: %s", name, s);
913 ndr->print(ndr, "%s: ARRAY(%d)", name, count);
915 for (i=0;i<count;i++) {
917 asprintf(&idx, "[%d]", i);
919 ndr_print_uint8(ndr, idx, data[i]);
926 void ndr_print_DATA_BLOB(struct ndr_print *ndr, const char *name, DATA_BLOB r)
928 ndr->print(ndr, "%-25s: DATA_BLOB length=%u", name, r.length);
930 dump_data(10, r.data, r.length);
936 push a DATA_BLOB onto the wire.
938 NTSTATUS ndr_push_DATA_BLOB(struct ndr_push *ndr, int ndr_flags, DATA_BLOB blob)
940 if (ndr->flags & LIBNDR_ALIGN_FLAGS) {
941 if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
942 blob.length = NDR_ALIGN(ndr, 2);
943 } else if (ndr->flags & LIBNDR_FLAG_ALIGN4) {
944 blob.length = NDR_ALIGN(ndr, 4);
945 } else if (ndr->flags & LIBNDR_FLAG_ALIGN8) {
946 blob.length = NDR_ALIGN(ndr, 8);
948 NDR_PUSH_ALLOC_SIZE(ndr, blob.data, blob.length);
949 data_blob_clear(&blob);
950 } else if (!(ndr->flags & LIBNDR_FLAG_REMAINING)) {
951 NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, blob.length));
953 NDR_CHECK(ndr_push_bytes(ndr, blob.data, blob.length));
958 pull a DATA_BLOB from the wire.
960 NTSTATUS ndr_pull_DATA_BLOB(struct ndr_pull *ndr, int ndr_flags, DATA_BLOB *blob)
964 if (ndr->flags & LIBNDR_ALIGN_FLAGS) {
965 if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
966 length = NDR_ALIGN(ndr, 2);
967 } else if (ndr->flags & LIBNDR_FLAG_ALIGN4) {
968 length = NDR_ALIGN(ndr, 4);
969 } else if (ndr->flags & LIBNDR_FLAG_ALIGN8) {
970 length = NDR_ALIGN(ndr, 8);
972 if (ndr->data_size - ndr->offset < length) {
973 length = ndr->data_size - ndr->offset;
975 } else if (ndr->flags & LIBNDR_FLAG_REMAINING) {
976 length = ndr->data_size - ndr->offset;
978 NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &length));
980 NDR_PULL_NEED_BYTES(ndr, length);
981 *blob = data_blob_talloc(ndr, ndr->data+ndr->offset, length);
982 ndr->offset += length;
986 uint32_t ndr_size_DATA_BLOB(int ret, const DATA_BLOB *data, int flags)
988 return ret + data->length;