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- Committer: Bazaar Package Importer
- Author(s): Chuck Short
- Date: 2011-03-02 16:05:41 UTC
- Revision ID: james.westby@ubuntu.com-20110302160541-oi1y7yhqn9qe2phs
Tags: 2:3.5.6~dfsg-5ubuntu3
* debian/patches/fix-windows7-print-connection.patch: Fix
error "0x000003e6" when trying to connect a Windows 7 printer
to a domain. (LP: #674216)
* debian/samba-common.dhcp: Take in account of the upstart script.
(LP: #652065)
error "0x000003e6" when trying to connect a Windows 7 printer
to a domain. (LP: #674216)
* debian/samba-common.dhcp: Take in account of the upstart script.
(LP: #652065)
- files added:
- .pc/fix-windows7-print-connection.patch
- .pc/fix-windows7-print-connection.patch/librpc
- .pc/fix-windows7-print-connection.patch/librpc/gen_ndr
- .pc/fix-windows7-print-connection.patch/librpc/idl
- .pc/fix-windows7-print-connection.patch/librpc/ndr
- files modified:
- .pc/applied-patches
added
removed
.pc/fix-windows7-print-connection.patch/librpc/ndr/ndr.c
1
/*
2
Unix SMB/CIFS implementation.
3
4
libndr interface
5
6
Copyright (C) Andrew Tridgell 2003
7
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 3 of the License, or
11
(at your option) any later version.
12
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.
17
18
You should have received a copy of the GNU General Public License
19
along with this program. If not, see <http://www.gnu.org/licenses/>.
20
*/
21
22
/*
23
this provides the core routines for NDR parsing functions
24
25
see http://www.opengroup.org/onlinepubs/9629399/chap14.htm for details
26
of NDR encoding rules
27
*/
28
29
#include "includes.h"
30
#include "librpc/ndr/libndr.h"
31
#include "../lib/util/dlinklist.h"
32
#if _SAMBA_BUILD_ == 4
33
#include "param/param.h"
34
#endif
35
36
#define NDR_BASE_MARSHALL_SIZE 1024
37
38
/* this guid indicates NDR encoding in a protocol tower */
39
const struct ndr_syntax_id ndr_transfer_syntax = {
40
{ 0x8a885d04, 0x1ceb, 0x11c9, {0x9f, 0xe8}, {0x08,0x00,0x2b,0x10,0x48,0x60} },
41
2
42
};
43
44
const struct ndr_syntax_id ndr64_transfer_syntax = {
45
{ 0x71710533, 0xbeba, 0x4937, {0x83, 0x19}, {0xb5,0xdb,0xef,0x9c,0xcc,0x36} },
46
1
47
};
48
49
/*
50
work out the number of bytes needed to align on a n byte boundary
51
*/
52
_PUBLIC_ size_t ndr_align_size(uint32_t offset, size_t n)
53
{
54
if ((offset & (n-1)) == 0) return 0;
55
return n - (offset & (n-1));
56
}
57
58
/*
59
initialise a ndr parse structure from a data blob
60
*/
61
_PUBLIC_ struct ndr_pull *ndr_pull_init_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience)
62
{
63
struct ndr_pull *ndr;
64
65
ndr = talloc_zero(mem_ctx, struct ndr_pull);
66
if (!ndr) return NULL;
67
ndr->current_mem_ctx = mem_ctx;
68
69
ndr->data = blob->data;
70
ndr->data_size = blob->length;
71
ndr->iconv_convenience = talloc_reference(ndr, iconv_convenience);
72
73
return ndr;
74
}
75
76
/*
77
advance by 'size' bytes
78
*/
79
_PUBLIC_ enum ndr_err_code ndr_pull_advance(struct ndr_pull *ndr, uint32_t size)
80
{
81
ndr->offset += size;
82
if (ndr->offset > ndr->data_size) {
83
return ndr_pull_error(ndr, NDR_ERR_BUFSIZE,
84
"ndr_pull_advance by %u failed",
85
size);
86
}
87
return NDR_ERR_SUCCESS;
88
}
89
90
/*
91
set the parse offset to 'ofs'
92
*/
93
static enum ndr_err_code ndr_pull_set_offset(struct ndr_pull *ndr, uint32_t ofs)
94
{
95
ndr->offset = ofs;
96
if (ndr->offset > ndr->data_size) {
97
return ndr_pull_error(ndr, NDR_ERR_BUFSIZE,
98
"ndr_pull_set_offset %u failed",
99
ofs);
100
}
101
return NDR_ERR_SUCCESS;
102
}
103
104
/* create a ndr_push structure, ready for some marshalling */
105
_PUBLIC_ struct ndr_push *ndr_push_init_ctx(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience)
106
{
107
struct ndr_push *ndr;
108
109
ndr = talloc_zero(mem_ctx, struct ndr_push);
110
if (!ndr) {
111
return NULL;
112
}
113
114
ndr->flags = 0;
115
ndr->alloc_size = NDR_BASE_MARSHALL_SIZE;
116
ndr->data = talloc_array(ndr, uint8_t, ndr->alloc_size);
117
if (!ndr->data) {
118
return NULL;
119
}
120
ndr->iconv_convenience = talloc_reference(ndr, iconv_convenience);
121
122
return ndr;
123
}
124
125
/* return a DATA_BLOB structure for the current ndr_push marshalled data */
126
_PUBLIC_ DATA_BLOB ndr_push_blob(struct ndr_push *ndr)
127
{
128
DATA_BLOB blob;
129
blob = data_blob_const(ndr->data, ndr->offset);
130
if (ndr->alloc_size > ndr->offset) {
131
ndr->data[ndr->offset] = 0;
132
}
133
return blob;
134
}
135
136
137
/*
138
expand the available space in the buffer to ndr->offset + extra_size
139
*/
140
_PUBLIC_ enum ndr_err_code ndr_push_expand(struct ndr_push *ndr, uint32_t extra_size)
141
{
142
uint32_t size = extra_size + ndr->offset;
143
144
if (size < ndr->offset) {
145
/* extra_size overflowed the offset */
146
return ndr_push_error(ndr, NDR_ERR_BUFSIZE, "Overflow in push_expand to %u",
147
size);
148
}
149
150
if (ndr->alloc_size > size) {
151
return NDR_ERR_SUCCESS;
152
}
153
154
ndr->alloc_size += NDR_BASE_MARSHALL_SIZE;
155
if (size+1 > ndr->alloc_size) {
156
ndr->alloc_size = size+1;
157
}
158
ndr->data = talloc_realloc(ndr, ndr->data, uint8_t, ndr->alloc_size);
159
if (!ndr->data) {
160
return ndr_push_error(ndr, NDR_ERR_ALLOC, "Failed to push_expand to %u",
161
ndr->alloc_size);
162
}
163
164
return NDR_ERR_SUCCESS;
165
}
166
167
_PUBLIC_ void ndr_print_debug_helper(struct ndr_print *ndr, const char *format, ...)
168
{
169
va_list ap;
170
char *s = NULL;
171
int i, ret;
172
173
va_start(ap, format);
174
ret = vasprintf(&s, format, ap);
175
va_end(ap);
176
177
if (ret == -1) {
178
return;
179
}
180
181
for (i=0;i<ndr->depth;i++) {
182
DEBUGADD(1,(" "));
183
}
184
185
DEBUGADD(1,("%s\n", s));
186
free(s);
187
}
188
189
_PUBLIC_ void ndr_print_string_helper(struct ndr_print *ndr, const char *format, ...)
190
{
191
va_list ap;
192
int i;
193
194
for (i=0;i<ndr->depth;i++) {
195
ndr->private_data = talloc_asprintf_append_buffer(
196
(char *)ndr->private_data, " ");
197
}
198
199
va_start(ap, format);
200
ndr->private_data = talloc_vasprintf_append_buffer((char *)ndr->private_data,
201
format, ap);
202
va_end(ap);
203
ndr->private_data = talloc_asprintf_append_buffer((char *)ndr->private_data,
204
"\n");
205
}
206
207
/*
208
a useful helper function for printing idl structures via DEBUG()
209
*/
210
_PUBLIC_ void ndr_print_debug(ndr_print_fn_t fn, const char *name, void *ptr)
211
{
212
struct ndr_print *ndr;
213
214
DEBUG(1,(" "));
215
216
ndr = talloc_zero(NULL, struct ndr_print);
217
if (!ndr) return;
218
ndr->print = ndr_print_debug_helper;
219
ndr->depth = 1;
220
ndr->flags = 0;
221
fn(ndr, name, ptr);
222
talloc_free(ndr);
223
}
224
225
/*
226
a useful helper function for printing idl unions via DEBUG()
227
*/
228
_PUBLIC_ void ndr_print_union_debug(ndr_print_fn_t fn, const char *name, uint32_t level, void *ptr)
229
{
230
struct ndr_print *ndr;
231
232
DEBUG(1,(" "));
233
234
ndr = talloc_zero(NULL, struct ndr_print);
235
if (!ndr) return;
236
ndr->print = ndr_print_debug_helper;
237
ndr->depth = 1;
238
ndr->flags = 0;
239
ndr_print_set_switch_value(ndr, ptr, level);
240
fn(ndr, name, ptr);
241
talloc_free(ndr);
242
}
243
244
/*
245
a useful helper function for printing idl function calls via DEBUG()
246
*/
247
_PUBLIC_ void ndr_print_function_debug(ndr_print_function_t fn, const char *name, int flags, void *ptr)
248
{
249
struct ndr_print *ndr;
250
251
DEBUG(1,(" "));
252
253
ndr = talloc_zero(NULL, struct ndr_print);
254
if (!ndr) return;
255
ndr->print = ndr_print_debug_helper;
256
ndr->depth = 1;
257
ndr->flags = 0;
258
259
/* this is a s4 hack until we build up the courage to pass
260
* this all the way down
261
*/
262
#if _SAMBA_BUILD_ == 4
263
ndr->iconv_convenience = smb_iconv_convenience_init(talloc_autofree_context(), "ASCII", "UTF-8", true);
264
#endif
265
266
fn(ndr, name, flags, ptr);
267
talloc_free(ndr);
268
}
269
270
/*
271
a useful helper function for printing idl structures to a string
272
*/
273
_PUBLIC_ char *ndr_print_struct_string(TALLOC_CTX *mem_ctx, ndr_print_fn_t fn, const char *name, void *ptr)
274
{
275
struct ndr_print *ndr;
276
char *ret = NULL;
277
278
ndr = talloc_zero(mem_ctx, struct ndr_print);
279
if (!ndr) return NULL;
280
ndr->private_data = talloc_strdup(ndr, "");
281
if (!ndr->private_data) {
282
goto failed;
283
}
284
ndr->print = ndr_print_string_helper;
285
ndr->depth = 1;
286
ndr->flags = 0;
287
288
/* this is a s4 hack until we build up the courage to pass
289
* this all the way down
290
*/
291
#if _SAMBA_BUILD_ == 4
292
ndr->iconv_convenience = smb_iconv_convenience_init(talloc_autofree_context(), "ASCII", "UTF-8", true);
293
#endif
294
295
fn(ndr, name, ptr);
296
ret = talloc_steal(mem_ctx, (char *)ndr->private_data);
297
failed:
298
talloc_free(ndr);
299
return ret;
300
}
301
302
/*
303
a useful helper function for printing idl unions to a string
304
*/
305
_PUBLIC_ char *ndr_print_union_string(TALLOC_CTX *mem_ctx, ndr_print_fn_t fn, const char *name, uint32_t level, void *ptr)
306
{
307
struct ndr_print *ndr;
308
char *ret = NULL;
309
310
ndr = talloc_zero(mem_ctx, struct ndr_print);
311
if (!ndr) return NULL;
312
ndr->private_data = talloc_strdup(ndr, "");
313
if (!ndr->private_data) {
314
goto failed;
315
}
316
ndr->print = ndr_print_string_helper;
317
ndr->depth = 1;
318
ndr->flags = 0;
319
ndr_print_set_switch_value(ndr, ptr, level);
320
fn(ndr, name, ptr);
321
ret = talloc_steal(mem_ctx, (char *)ndr->private_data);
322
failed:
323
talloc_free(ndr);
324
return ret;
325
}
326
327
/*
328
a useful helper function for printing idl function calls to a string
329
*/
330
_PUBLIC_ char *ndr_print_function_string(TALLOC_CTX *mem_ctx,
331
ndr_print_function_t fn, const char *name,
332
int flags, void *ptr)
333
{
334
struct ndr_print *ndr;
335
char *ret = NULL;
336
337
ndr = talloc_zero(mem_ctx, struct ndr_print);
338
if (!ndr) return NULL;
339
ndr->private_data = talloc_strdup(ndr, "");
340
if (!ndr->private_data) {
341
goto failed;
342
}
343
ndr->print = ndr_print_string_helper;
344
ndr->depth = 1;
345
ndr->flags = 0;
346
fn(ndr, name, flags, ptr);
347
ret = talloc_steal(mem_ctx, (char *)ndr->private_data);
348
failed:
349
talloc_free(ndr);
350
return ret;
351
}
352
353
_PUBLIC_ void ndr_set_flags(uint32_t *pflags, uint32_t new_flags)
354
{
355
/* the big/little endian flags are inter-dependent */
356
if (new_flags & LIBNDR_FLAG_LITTLE_ENDIAN) {
357
(*pflags) &= ~LIBNDR_FLAG_BIGENDIAN;
358
(*pflags) &= ~LIBNDR_FLAG_NDR64;
359
}
360
if (new_flags & LIBNDR_FLAG_BIGENDIAN) {
361
(*pflags) &= ~LIBNDR_FLAG_LITTLE_ENDIAN;
362
(*pflags) &= ~LIBNDR_FLAG_NDR64;
363
}
364
if (new_flags & LIBNDR_FLAG_REMAINING) {
365
(*pflags) &= ~LIBNDR_ALIGN_FLAGS;
366
}
367
if (new_flags & LIBNDR_ALIGN_FLAGS) {
368
(*pflags) &= ~LIBNDR_FLAG_REMAINING;
369
}
370
if (new_flags & LIBNDR_FLAG_NO_RELATIVE_REVERSE) {
371
(*pflags) &= ~LIBNDR_FLAG_RELATIVE_REVERSE;
372
}
373
(*pflags) |= new_flags;
374
}
375
376
/*
377
return and possibly log an NDR error
378
*/
379
_PUBLIC_ enum ndr_err_code ndr_pull_error(struct ndr_pull *ndr,
380
enum ndr_err_code ndr_err,
381
const char *format, ...)
382
{
383
char *s=NULL;
384
va_list ap;
385
int ret;
386
387
va_start(ap, format);
388
ret = vasprintf(&s, format, ap);
389
va_end(ap);
390
391
if (ret == -1) {
392
return NDR_ERR_ALLOC;
393
}
394
395
DEBUG(1,("ndr_pull_error(%u): %s\n", ndr_err, s));
396
397
free(s);
398
399
return ndr_err;
400
}
401
402
/*
403
return and possibly log an NDR error
404
*/
405
_PUBLIC_ enum ndr_err_code ndr_push_error(struct ndr_push *ndr,
406
enum ndr_err_code ndr_err,
407
const char *format, ...)
408
{
409
char *s=NULL;
410
va_list ap;
411
int ret;
412
413
va_start(ap, format);
414
ret = vasprintf(&s, format, ap);
415
va_end(ap);
416
417
if (ret == -1) {
418
return NDR_ERR_ALLOC;
419
}
420
421
DEBUG(1,("ndr_push_error(%u): %s\n", ndr_err, s));
422
423
free(s);
424
425
return ndr_err;
426
}
427
428
/*
429
handle subcontext buffers, which in midl land are user-marshalled, but
430
we use magic in pidl to make them easier to cope with
431
*/
432
_PUBLIC_ enum ndr_err_code ndr_pull_subcontext_start(struct ndr_pull *ndr,
433
struct ndr_pull **_subndr,
434
size_t header_size,
435
ssize_t size_is)
436
{
437
struct ndr_pull *subndr;
438
uint32_t r_content_size;
439
bool force_le = false;
440
bool force_be = false;
441
442
switch (header_size) {
443
case 0: {
444
uint32_t content_size = ndr->data_size - ndr->offset;
445
if (size_is >= 0) {
446
content_size = size_is;
447
}
448
r_content_size = content_size;
449
break;
450
}
451
452
case 2: {
453
uint16_t content_size;
454
NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &content_size));
455
if (size_is >= 0 && size_is != content_size) {
456
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT, "Bad subcontext (PULL) size_is(%d) mismatch content_size %d",
457
(int)size_is, (int)content_size);
458
}
459
r_content_size = content_size;
460
break;
461
}
462
463
case 4: {
464
uint32_t content_size;
465
NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &content_size));
466
if (size_is >= 0 && size_is != content_size) {
467
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT, "Bad subcontext (PULL) size_is(%d) mismatch content_size %d",
468
(int)size_is, (int)content_size);
469
}
470
r_content_size = content_size;
471
break;
472
}
473
case 0xFFFFFC01: {
474
/*
475
* Common Type Header for the Serialization Stream
476
* See [MS-RPCE] 2.2.6 Type Serialization Version 1
477
*/
478
uint8_t version;
479
uint8_t drep;
480
uint16_t hdrlen;
481
uint32_t filler;
482
uint32_t content_size;
483
uint32_t reserved;
484
485
/* version */
486
NDR_CHECK(ndr_pull_uint8(ndr, NDR_SCALARS, &version));
487
488
if (version != 1) {
489
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT,
490
"Bad subcontext (PULL) Common Type Header version %d != 1",
491
(int)version);
492
}
493
494
/*
495
* 0x10 little endian
496
* 0x00 big endian
497
*/
498
NDR_CHECK(ndr_pull_uint8(ndr, NDR_SCALARS, &drep));
499
if (drep == 0x10) {
500
force_le = true;
501
} else if (drep == 0x00) {
502
force_be = true;
503
} else {
504
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT,
505
"Bad subcontext (PULL) Common Type Header invalid drep 0x%02X",
506
(unsigned int)drep);
507
}
508
509
/* length of the "Private Header for Constructed Type" */
510
NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &hdrlen));
511
if (hdrlen != 8) {
512
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT,
513
"Bad subcontext (PULL) Common Type Header length %d != 8",
514
(int)hdrlen);
515
}
516
517
/* filler should be ignored */
518
NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &filler));
519
520
/*
521
* Private Header for Constructed Type
522
*/
523
/* length - will be updated latter */
524
NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &content_size));
525
if (size_is >= 0 && size_is != content_size) {
526
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT, "Bad subcontext (PULL) size_is(%d) mismatch content_size %d",
527
(int)size_is, (int)content_size);
528
}
529
/* the content size must be a multiple of 8 */
530
if ((content_size % 8) != 0) {
531
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT,
532
"Bad subcontext (PULL) size_is(%d) not padded to 8 content_size %d",
533
(int)size_is, (int)content_size);
534
}
535
r_content_size = content_size;
536
537
/* reserved */
538
NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &reserved));
539
break;
540
}
541
default:
542
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT, "Bad subcontext (PULL) header_size %d",
543
(int)header_size);
544
}
545
546
NDR_PULL_NEED_BYTES(ndr, r_content_size);
547
548
subndr = talloc_zero(ndr, struct ndr_pull);
549
NDR_ERR_HAVE_NO_MEMORY(subndr);
550
subndr->flags = ndr->flags & ~LIBNDR_FLAG_NDR64;
551
subndr->current_mem_ctx = ndr->current_mem_ctx;
552
553
subndr->data = ndr->data + ndr->offset;
554
subndr->offset = 0;
555
subndr->data_size = r_content_size;
556
subndr->iconv_convenience = talloc_reference(subndr, ndr->iconv_convenience);
557
558
if (force_le) {
559
ndr_set_flags(&ndr->flags, LIBNDR_FLAG_LITTLE_ENDIAN);
560
} else if (force_be) {
561
ndr_set_flags(&ndr->flags, LIBNDR_FLAG_BIGENDIAN);
562
}
563
564
*_subndr = subndr;
565
return NDR_ERR_SUCCESS;
566
}
567
568
_PUBLIC_ enum ndr_err_code ndr_pull_subcontext_end(struct ndr_pull *ndr,
569
struct ndr_pull *subndr,
570
size_t header_size,
571
ssize_t size_is)
572
{
573
uint32_t advance;
574
if (size_is >= 0) {
575
advance = size_is;
576
} else if (header_size > 0) {
577
advance = subndr->data_size;
578
} else {
579
advance = subndr->offset;
580
}
581
NDR_CHECK(ndr_pull_advance(ndr, advance));
582
return NDR_ERR_SUCCESS;
583
}
584
585
_PUBLIC_ enum ndr_err_code ndr_push_subcontext_start(struct ndr_push *ndr,
586
struct ndr_push **_subndr,
587
size_t header_size,
588
ssize_t size_is)
589
{
590
struct ndr_push *subndr;
591
592
subndr = ndr_push_init_ctx(ndr, ndr->iconv_convenience);
593
NDR_ERR_HAVE_NO_MEMORY(subndr);
594
subndr->flags = ndr->flags & ~LIBNDR_FLAG_NDR64;
595
596
if (size_is > 0) {
597
NDR_CHECK(ndr_push_zero(subndr, size_is));
598
subndr->offset = 0;
599
subndr->relative_end_offset = size_is;
600
}
601
602
*_subndr = subndr;
603
return NDR_ERR_SUCCESS;
604
}
605
606
/*
607
push a subcontext header
608
*/
609
_PUBLIC_ enum ndr_err_code ndr_push_subcontext_end(struct ndr_push *ndr,
610
struct ndr_push *subndr,
611
size_t header_size,
612
ssize_t size_is)
613
{
614
ssize_t padding_len;
615
616
if (size_is >= 0) {
617
padding_len = size_is - subndr->offset;
618
if (padding_len < 0) {
619
return ndr_push_error(ndr, NDR_ERR_SUBCONTEXT, "Bad subcontext (PUSH) content_size %d is larger than size_is(%d)",
620
(int)subndr->offset, (int)size_is);
621
}
622
subndr->offset = size_is;
623
}
624
625
switch (header_size) {
626
case 0:
627
break;
628
629
case 2:
630
NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, subndr->offset));
631
break;
632
633
case 4:
634
NDR_CHECK(ndr_push_uint3264(ndr, NDR_SCALARS, subndr->offset));
635
break;
636
637
case 0xFFFFFC01:
638
/*
639
* Common Type Header for the Serialization Stream
640
* See [MS-RPCE] 2.2.6 Type Serialization Version 1
641
*/
642
padding_len = NDR_ROUND(subndr->offset, 8) - subndr->offset;
643
if (padding_len > 0) {
644
NDR_CHECK(ndr_push_zero(subndr, padding_len));
645
}
646
647
/* version */
648
NDR_CHECK(ndr_push_uint8(ndr, NDR_SCALARS, 1));
649
650
/*
651
* 0x10 little endian
652
* 0x00 big endian
653
*/
654
NDR_CHECK(ndr_push_uint8(ndr, NDR_SCALARS, NDR_BE(ndr)?0x00:0x10));
655
656
/* length of the "Private Header for Constructed Type" */
657
NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, 8));
658
659
/* filler */
660
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0xCCCCCCCC));
661
662
/*
663
* Private Header for Constructed Type
664
*/
665
/* length - will be updated latter */
666
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, subndr->offset));
667
668
/* reserved */
669
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0));
670
break;
671
672
default:
673
return ndr_push_error(ndr, NDR_ERR_SUBCONTEXT, "Bad subcontext header size %d",
674
(int)header_size);
675
}
676
677
NDR_CHECK(ndr_push_bytes(ndr, subndr->data, subndr->offset));
678
return NDR_ERR_SUCCESS;
679
}
680
681
/*
682
store a token in the ndr context, for later retrieval
683
*/
684
_PUBLIC_ enum ndr_err_code ndr_token_store(TALLOC_CTX *mem_ctx,
685
struct ndr_token_list **list,
686
const void *key,
687
uint32_t value)
688
{
689
struct ndr_token_list *tok;
690
tok = talloc(mem_ctx, struct ndr_token_list);
691
NDR_ERR_HAVE_NO_MEMORY(tok);
692
tok->key = key;
693
tok->value = value;
694
DLIST_ADD((*list), tok);
695
return NDR_ERR_SUCCESS;
696
}
697
698
/*
699
retrieve a token from a ndr context, using cmp_fn to match the tokens
700
*/
701
_PUBLIC_ enum ndr_err_code ndr_token_retrieve_cmp_fn(struct ndr_token_list **list, const void *key, uint32_t *v,
702
comparison_fn_t _cmp_fn, bool _remove_tok)
703
{
704
struct ndr_token_list *tok;
705
for (tok=*list;tok;tok=tok->next) {
706
if (_cmp_fn && _cmp_fn(tok->key,key)==0) goto found;
707
else if (!_cmp_fn && tok->key == key) goto found;
708
}
709
return NDR_ERR_TOKEN;
710
found:
711
*v = tok->value;
712
if (_remove_tok) {
713
DLIST_REMOVE((*list), tok);
714
talloc_free(tok);
715
}
716
return NDR_ERR_SUCCESS;
717
}
718
719
/*
720
retrieve a token from a ndr context
721
*/
722
_PUBLIC_ enum ndr_err_code ndr_token_retrieve(struct ndr_token_list **list, const void *key, uint32_t *v)
723
{
724
return ndr_token_retrieve_cmp_fn(list, key, v, NULL, true);
725
}
726
727
/*
728
peek at but don't removed a token from a ndr context
729
*/
730
_PUBLIC_ uint32_t ndr_token_peek(struct ndr_token_list **list, const void *key)
731
{
732
enum ndr_err_code status;
733
uint32_t v;
734
735
status = ndr_token_retrieve_cmp_fn(list, key, &v, NULL, false);
736
if (!NDR_ERR_CODE_IS_SUCCESS(status)) {
737
return 0;
738
}
739
740
return v;
741
}
742
743
/*
744
pull an array size field and add it to the array_size_list token list
745
*/
746
_PUBLIC_ enum ndr_err_code ndr_pull_array_size(struct ndr_pull *ndr, const void *p)
747
{
748
uint32_t size;
749
NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &size));
750
return ndr_token_store(ndr, &ndr->array_size_list, p, size);
751
}
752
753
/*
754
get the stored array size field
755
*/
756
_PUBLIC_ uint32_t ndr_get_array_size(struct ndr_pull *ndr, const void *p)
757
{
758
return ndr_token_peek(&ndr->array_size_list, p);
759
}
760
761
/*
762
check the stored array size field
763
*/
764
_PUBLIC_ enum ndr_err_code ndr_check_array_size(struct ndr_pull *ndr, void *p, uint32_t size)
765
{
766
uint32_t stored;
767
stored = ndr_token_peek(&ndr->array_size_list, p);
768
if (stored != size) {
769
return ndr_pull_error(ndr, NDR_ERR_ARRAY_SIZE,
770
"Bad array size - got %u expected %u\n",
771
stored, size);
772
}
773
return NDR_ERR_SUCCESS;
774
}
775
776
/*
777
pull an array length field and add it to the array_length_list token list
778
*/
779
_PUBLIC_ enum ndr_err_code ndr_pull_array_length(struct ndr_pull *ndr, const void *p)
780
{
781
uint32_t length, offset;
782
NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &offset));
783
if (offset != 0) {
784
return ndr_pull_error(ndr, NDR_ERR_ARRAY_SIZE,
785
"non-zero array offset %u\n", offset);
786
}
787
NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &length));
788
return ndr_token_store(ndr, &ndr->array_length_list, p, length);
789
}
790
791
/*
792
get the stored array length field
793
*/
794
_PUBLIC_ uint32_t ndr_get_array_length(struct ndr_pull *ndr, const void *p)
795
{
796
return ndr_token_peek(&ndr->array_length_list, p);
797
}
798
799
/*
800
check the stored array length field
801
*/
802
_PUBLIC_ enum ndr_err_code ndr_check_array_length(struct ndr_pull *ndr, void *p, uint32_t length)
803
{
804
uint32_t stored;
805
stored = ndr_token_peek(&ndr->array_length_list, p);
806
if (stored != length) {
807
return ndr_pull_error(ndr, NDR_ERR_ARRAY_SIZE,
808
"Bad array length - got %u expected %u\n",
809
stored, length);
810
}
811
return NDR_ERR_SUCCESS;
812
}
813
814
/*
815
store a switch value
816
*/
817
_PUBLIC_ enum ndr_err_code ndr_push_set_switch_value(struct ndr_push *ndr, const void *p, uint32_t val)
818
{
819
return ndr_token_store(ndr, &ndr->switch_list, p, val);
820
}
821
822
_PUBLIC_ enum ndr_err_code ndr_pull_set_switch_value(struct ndr_pull *ndr, const void *p, uint32_t val)
823
{
824
return ndr_token_store(ndr, &ndr->switch_list, p, val);
825
}
826
827
_PUBLIC_ enum ndr_err_code ndr_print_set_switch_value(struct ndr_print *ndr, const void *p, uint32_t val)
828
{
829
return ndr_token_store(ndr, &ndr->switch_list, p, val);
830
}
831
832
/*
833
retrieve a switch value
834
*/
835
_PUBLIC_ uint32_t ndr_push_get_switch_value(struct ndr_push *ndr, const void *p)
836
{
837
return ndr_token_peek(&ndr->switch_list, p);
838
}
839
840
_PUBLIC_ uint32_t ndr_pull_get_switch_value(struct ndr_pull *ndr, const void *p)
841
{
842
return ndr_token_peek(&ndr->switch_list, p);
843
}
844
845
_PUBLIC_ uint32_t ndr_print_get_switch_value(struct ndr_print *ndr, const void *p)
846
{
847
return ndr_token_peek(&ndr->switch_list, p);
848
}
849
850
/*
851
pull a struct from a blob using NDR
852
*/
853
_PUBLIC_ enum ndr_err_code ndr_pull_struct_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, void *p,
854
ndr_pull_flags_fn_t fn)
855
{
856
struct ndr_pull *ndr;
857
ndr = ndr_pull_init_blob(blob, mem_ctx, iconv_convenience);
858
NDR_ERR_HAVE_NO_MEMORY(ndr);
859
NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
860
talloc_free(ndr);
861
return NDR_ERR_SUCCESS;
862
}
863
864
/*
865
pull a struct from a blob using NDR - failing if all bytes are not consumed
866
*/
867
_PUBLIC_ enum ndr_err_code ndr_pull_struct_blob_all(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
868
struct smb_iconv_convenience *iconv_convenience,
869
void *p, ndr_pull_flags_fn_t fn)
870
{
871
struct ndr_pull *ndr;
872
ndr = ndr_pull_init_blob(blob, mem_ctx, iconv_convenience);
873
NDR_ERR_HAVE_NO_MEMORY(ndr);
874
NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
875
if (ndr->offset < ndr->data_size) {
876
return ndr_pull_error(ndr, NDR_ERR_UNREAD_BYTES,
877
"not all bytes consumed ofs[%u] size[%u]",
878
ndr->offset, ndr->data_size);
879
}
880
talloc_free(ndr);
881
return NDR_ERR_SUCCESS;
882
}
883
884
/*
885
pull a union from a blob using NDR, given the union discriminator
886
*/
887
_PUBLIC_ enum ndr_err_code ndr_pull_union_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
888
struct smb_iconv_convenience *iconv_convenience, void *p,
889
uint32_t level, ndr_pull_flags_fn_t fn)
890
{
891
struct ndr_pull *ndr;
892
ndr = ndr_pull_init_blob(blob, mem_ctx, iconv_convenience);
893
NDR_ERR_HAVE_NO_MEMORY(ndr);
894
NDR_CHECK_FREE(ndr_pull_set_switch_value(ndr, p, level));
895
NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
896
talloc_free(ndr);
897
return NDR_ERR_SUCCESS;
898
}
899
900
/*
901
pull a union from a blob using NDR, given the union discriminator,
902
failing if all bytes are not consumed
903
*/
904
_PUBLIC_ enum ndr_err_code ndr_pull_union_blob_all(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
905
struct smb_iconv_convenience *iconv_convenience, void *p,
906
uint32_t level, ndr_pull_flags_fn_t fn)
907
{
908
struct ndr_pull *ndr;
909
ndr = ndr_pull_init_blob(blob, mem_ctx, iconv_convenience);
910
NDR_ERR_HAVE_NO_MEMORY(ndr);
911
NDR_CHECK_FREE(ndr_pull_set_switch_value(ndr, p, level));
912
NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
913
if (ndr->offset < ndr->data_size) {
914
enum ndr_err_code ret;
915
ret = ndr_pull_error(ndr, NDR_ERR_UNREAD_BYTES,
916
"not all bytes consumed ofs[%u] size[%u]",
917
ndr->offset, ndr->data_size);
918
talloc_free(ndr);
919
return ret;
920
}
921
talloc_free(ndr);
922
return NDR_ERR_SUCCESS;
923
}
924
925
/*
926
push a struct to a blob using NDR
927
*/
928
_PUBLIC_ enum ndr_err_code ndr_push_struct_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, const void *p, ndr_push_flags_fn_t fn)
929
{
930
struct ndr_push *ndr;
931
ndr = ndr_push_init_ctx(mem_ctx, iconv_convenience);
932
NDR_ERR_HAVE_NO_MEMORY(ndr);
933
934
NDR_CHECK(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
935
936
*blob = ndr_push_blob(ndr);
937
talloc_steal(mem_ctx, blob->data);
938
talloc_free(ndr);
939
940
return NDR_ERR_SUCCESS;
941
}
942
943
/*
944
push a union to a blob using NDR
945
*/
946
_PUBLIC_ enum ndr_err_code ndr_push_union_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, void *p,
947
uint32_t level, ndr_push_flags_fn_t fn)
948
{
949
struct ndr_push *ndr;
950
ndr = ndr_push_init_ctx(mem_ctx, iconv_convenience);
951
NDR_ERR_HAVE_NO_MEMORY(ndr);
952
953
NDR_CHECK(ndr_push_set_switch_value(ndr, p, level));
954
NDR_CHECK(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
955
956
*blob = ndr_push_blob(ndr);
957
talloc_steal(mem_ctx, blob->data);
958
talloc_free(ndr);
959
960
return NDR_ERR_SUCCESS;
961
}
962
963
/*
964
generic ndr_size_*() handler for structures
965
*/
966
_PUBLIC_ size_t ndr_size_struct(const void *p, int flags, ndr_push_flags_fn_t push, struct smb_iconv_convenience *iconv_convenience)
967
{
968
struct ndr_push *ndr;
969
enum ndr_err_code status;
970
size_t ret;
971
972
/* avoid recursion */
973
if (flags & LIBNDR_FLAG_NO_NDR_SIZE) return 0;
974
975
ndr = ndr_push_init_ctx(NULL, iconv_convenience);
976
if (!ndr) return 0;
977
ndr->flags |= flags | LIBNDR_FLAG_NO_NDR_SIZE;
978
status = push(ndr, NDR_SCALARS|NDR_BUFFERS, discard_const(p));
979
if (!NDR_ERR_CODE_IS_SUCCESS(status)) {
980
talloc_free(ndr);
981
return 0;
982
}
983
ret = ndr->offset;
984
talloc_free(ndr);
985
return ret;
986
}
987
988
/*
989
generic ndr_size_*() handler for unions
990
*/
991
_PUBLIC_ size_t ndr_size_union(const void *p, int flags, uint32_t level, ndr_push_flags_fn_t push, struct smb_iconv_convenience *iconv_convenience)
992
{
993
struct ndr_push *ndr;
994
enum ndr_err_code status;
995
size_t ret;
996
997
/* avoid recursion */
998
if (flags & LIBNDR_FLAG_NO_NDR_SIZE) return 0;
999
1000
ndr = ndr_push_init_ctx(NULL, iconv_convenience);
1001
if (!ndr) return 0;
1002
ndr->flags |= flags | LIBNDR_FLAG_NO_NDR_SIZE;
1003
1004
status = ndr_push_set_switch_value(ndr, p, level);
1005
if (!NDR_ERR_CODE_IS_SUCCESS(status)) {
1006
talloc_free(ndr);
1007
return 0;
1008
}
1009
status = push(ndr, NDR_SCALARS|NDR_BUFFERS, p);
1010
if (!NDR_ERR_CODE_IS_SUCCESS(status)) {
1011
talloc_free(ndr);
1012
return 0;
1013
}
1014
ret = ndr->offset;
1015
talloc_free(ndr);
1016
return ret;
1017
}
1018
1019
/*
1020
get the current base for relative pointers for the push
1021
*/
1022
_PUBLIC_ uint32_t ndr_push_get_relative_base_offset(struct ndr_push *ndr)
1023
{
1024
return ndr->relative_base_offset;
1025
}
1026
1027
/*
1028
restore the old base for relative pointers for the push
1029
*/
1030
_PUBLIC_ void ndr_push_restore_relative_base_offset(struct ndr_push *ndr, uint32_t offset)
1031
{
1032
ndr->relative_base_offset = offset;
1033
}
1034
1035
/*
1036
setup the current base for relative pointers for the push
1037
called in the NDR_SCALAR stage
1038
*/
1039
_PUBLIC_ enum ndr_err_code ndr_push_setup_relative_base_offset1(struct ndr_push *ndr, const void *p, uint32_t offset)
1040
{
1041
ndr->relative_base_offset = offset;
1042
return ndr_token_store(ndr, &ndr->relative_base_list, p, offset);
1043
}
1044
1045
/*
1046
setup the current base for relative pointers for the push
1047
called in the NDR_BUFFERS stage
1048
*/
1049
_PUBLIC_ enum ndr_err_code ndr_push_setup_relative_base_offset2(struct ndr_push *ndr, const void *p)
1050
{
1051
return ndr_token_retrieve(&ndr->relative_base_list, p, &ndr->relative_base_offset);
1052
}
1053
1054
/*
1055
push a relative object - stage1
1056
this is called during SCALARS processing
1057
*/
1058
_PUBLIC_ enum ndr_err_code ndr_push_relative_ptr1(struct ndr_push *ndr, const void *p)
1059
{
1060
if (p == NULL) {
1061
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0));
1062
return NDR_ERR_SUCCESS;
1063
}
1064
NDR_CHECK(ndr_push_align(ndr, 4));
1065
NDR_CHECK(ndr_token_store(ndr, &ndr->relative_list, p, ndr->offset));
1066
return ndr_push_uint32(ndr, NDR_SCALARS, 0xFFFFFFFF);
1067
}
1068
1069
/*
1070
push a relative object - stage2
1071
this is called during buffers processing
1072
*/
1073
static enum ndr_err_code ndr_push_relative_ptr2(struct ndr_push *ndr, const void *p)
1074
{
1075
uint32_t save_offset;
1076
uint32_t ptr_offset = 0xFFFFFFFF;
1077
if (p == NULL) {
1078
return NDR_ERR_SUCCESS;
1079
}
1080
save_offset = ndr->offset;
1081
NDR_CHECK(ndr_token_retrieve(&ndr->relative_list, p, &ptr_offset));
1082
if (ptr_offset > ndr->offset) {
1083
return ndr_push_error(ndr, NDR_ERR_BUFSIZE,
1084
"ndr_push_relative_ptr2 ptr_offset(%u) > ndr->offset(%u)",
1085
ptr_offset, ndr->offset);
1086
}
1087
ndr->offset = ptr_offset;
1088
if (save_offset < ndr->relative_base_offset) {
1089
return ndr_push_error(ndr, NDR_ERR_BUFSIZE,
1090
"ndr_push_relative_ptr2 save_offset(%u) < ndr->relative_base_offset(%u)",
1091
save_offset, ndr->relative_base_offset);
1092
}
1093
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, save_offset - ndr->relative_base_offset));
1094
ndr->offset = save_offset;
1095
return NDR_ERR_SUCCESS;
1096
}
1097
1098
/*
1099
push a relative object - stage2 start
1100
this is called during buffers processing
1101
*/
1102
_PUBLIC_ enum ndr_err_code ndr_push_relative_ptr2_start(struct ndr_push *ndr, const void *p)
1103
{
1104
if (p == NULL) {
1105
return NDR_ERR_SUCCESS;
1106
}
1107
if (!(ndr->flags & LIBNDR_FLAG_RELATIVE_REVERSE)) {
1108
return ndr_push_relative_ptr2(ndr, p);
1109
}
1110
if (ndr->relative_end_offset == -1) {
1111
return ndr_push_error(ndr, NDR_ERR_RELATIVE,
1112
"ndr_push_relative_ptr2_start RELATIVE_REVERSE flag set and relative_end_offset %d",
1113
ndr->relative_end_offset);
1114
}
1115
NDR_CHECK(ndr_token_store(ndr, &ndr->relative_begin_list, p, ndr->offset));
1116
return NDR_ERR_SUCCESS;
1117
}
1118
1119
/*
1120
push a relative object - stage2 end
1121
this is called during buffers processing
1122
*/
1123
_PUBLIC_ enum ndr_err_code ndr_push_relative_ptr2_end(struct ndr_push *ndr, const void *p)
1124
{
1125
uint32_t begin_offset = 0xFFFFFFFF;
1126
ssize_t len;
1127
uint32_t correct_offset = 0;
1128
uint32_t align = 1;
1129
uint32_t pad = 0;
1130
1131
if (p == NULL) {
1132
return NDR_ERR_SUCCESS;
1133
}
1134
1135
if (!(ndr->flags & LIBNDR_FLAG_RELATIVE_REVERSE)) {
1136
return NDR_ERR_SUCCESS;
1137
}
1138
1139
if (ndr->flags & LIBNDR_FLAG_NO_NDR_SIZE) {
1140
/* better say more than calculation a too small buffer */
1141
NDR_PUSH_ALIGN(ndr, 8);
1142
return NDR_ERR_SUCCESS;
1143
}
1144
1145
if (ndr->relative_end_offset < ndr->offset) {
1146
return ndr_push_error(ndr, NDR_ERR_RELATIVE,
1147
"ndr_push_relative_ptr2_end:"
1148
"relative_end_offset %u < offset %u",
1149
ndr->relative_end_offset, ndr->offset);
1150
}
1151
1152
NDR_CHECK(ndr_token_retrieve(&ndr->relative_begin_list, p, &begin_offset));
1153
1154
/* we have marshalled a buffer, see how long it was */
1155
len = ndr->offset - begin_offset;
1156
1157
if (len < 0) {
1158
return ndr_push_error(ndr, NDR_ERR_RELATIVE,
1159
"ndr_push_relative_ptr2_end:"
1160
"offset %u - begin_offset %u < 0",
1161
ndr->offset, begin_offset);
1162
}
1163
1164
if (ndr->relative_end_offset < len) {
1165
return ndr_push_error(ndr, NDR_ERR_RELATIVE,
1166
"ndr_push_relative_ptr2_end:"
1167
"relative_end_offset %u < len %lld",
1168
ndr->offset, (long long)len);
1169
}
1170
1171
/* the reversed offset is at the end of the main buffer */
1172
correct_offset = ndr->relative_end_offset - len;
1173
1174
/* TODO: remove this hack and let the idl use FLAG_ALIGN2 explicit */
1175
align = 2;
1176
1177
if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
1178
align = 2;
1179
} else if (ndr->flags & LIBNDR_FLAG_ALIGN4) {
1180
align = 4;
1181
} else if (ndr->flags & LIBNDR_FLAG_ALIGN8) {
1182
align = 8;
1183
}
1184
1185
pad = ndr_align_size(correct_offset, align);
1186
if (pad) {
1187
correct_offset += pad;
1188
correct_offset -= align;
1189
}
1190
1191
if (correct_offset < begin_offset) {
1192
return ndr_push_error(ndr, NDR_ERR_RELATIVE,
1193
"ndr_push_relative_ptr2_end: "
1194
"correct_offset %u < begin_offset %u",
1195
correct_offset, begin_offset);
1196
}
1197
1198
if (len > 0) {
1199
uint32_t clear_size = correct_offset - begin_offset;
1200
1201
clear_size = MIN(clear_size, len);
1202
1203
/* now move the marshalled buffer to the end of the main buffer */
1204
memmove(ndr->data + correct_offset, ndr->data + begin_offset, len);
1205
1206
if (clear_size) {
1207
/* and wipe out old buffer within the main buffer */
1208
memset(ndr->data + begin_offset, '\0', clear_size);
1209
}
1210
}
1211
1212
/* and set the end offset for the next buffer */
1213
ndr->relative_end_offset = correct_offset;
1214
1215
/* finally write the offset to the main buffer */
1216
ndr->offset = correct_offset;
1217
NDR_CHECK(ndr_push_relative_ptr2(ndr, p));
1218
1219
/* restore to where we were in the main buffer */
1220
ndr->offset = begin_offset;
1221
1222
return NDR_ERR_SUCCESS;
1223
}
1224
1225
/*
1226
get the current base for relative pointers for the pull
1227
*/
1228
_PUBLIC_ uint32_t ndr_pull_get_relative_base_offset(struct ndr_pull *ndr)
1229
{
1230
return ndr->relative_base_offset;
1231
}
1232
1233
/*
1234
restore the old base for relative pointers for the pull
1235
*/
1236
_PUBLIC_ void ndr_pull_restore_relative_base_offset(struct ndr_pull *ndr, uint32_t offset)
1237
{
1238
ndr->relative_base_offset = offset;
1239
}
1240
1241
/*
1242
setup the current base for relative pointers for the pull
1243
called in the NDR_SCALAR stage
1244
*/
1245
_PUBLIC_ enum ndr_err_code ndr_pull_setup_relative_base_offset1(struct ndr_pull *ndr, const void *p, uint32_t offset)
1246
{
1247
ndr->relative_base_offset = offset;
1248
return ndr_token_store(ndr, &ndr->relative_base_list, p, offset);
1249
}
1250
1251
/*
1252
setup the current base for relative pointers for the pull
1253
called in the NDR_BUFFERS stage
1254
*/
1255
_PUBLIC_ enum ndr_err_code ndr_pull_setup_relative_base_offset2(struct ndr_pull *ndr, const void *p)
1256
{
1257
return ndr_token_retrieve(&ndr->relative_base_list, p, &ndr->relative_base_offset);
1258
}
1259
1260
/*
1261
pull a relative object - stage1
1262
called during SCALARS processing
1263
*/
1264
_PUBLIC_ enum ndr_err_code ndr_pull_relative_ptr1(struct ndr_pull *ndr, const void *p, uint32_t rel_offset)
1265
{
1266
rel_offset += ndr->relative_base_offset;
1267
if (rel_offset > ndr->data_size) {
1268
return ndr_pull_error(ndr, NDR_ERR_BUFSIZE,
1269
"ndr_pull_relative_ptr1 rel_offset(%u) > ndr->data_size(%u)",
1270
rel_offset, ndr->data_size);
1271
}
1272
return ndr_token_store(ndr, &ndr->relative_list, p, rel_offset);
1273
}
1274
1275
/*
1276
pull a relative object - stage2
1277
called during BUFFERS processing
1278
*/
1279
_PUBLIC_ enum ndr_err_code ndr_pull_relative_ptr2(struct ndr_pull *ndr, const void *p)
1280
{
1281
uint32_t rel_offset;
1282
NDR_CHECK(ndr_token_retrieve(&ndr->relative_list, p, &rel_offset));
1283
return ndr_pull_set_offset(ndr, rel_offset);
1284
}
1285
1286
const static struct {
1287
enum ndr_err_code err;
1288
const char *string;
1289
} ndr_err_code_strings[] = {
1290
{ NDR_ERR_SUCCESS, "Success" },
1291
{ NDR_ERR_ARRAY_SIZE, "Bad Array Size" },
1292
{ NDR_ERR_BAD_SWITCH, "Bad Switch" },
1293
{ NDR_ERR_OFFSET, "Offset Error" },
1294
{ NDR_ERR_RELATIVE, "Relative Pointer Error" },
1295
{ NDR_ERR_CHARCNV, "Character Conversion Error" },
1296
{ NDR_ERR_LENGTH, "Length Error" },
1297
{ NDR_ERR_SUBCONTEXT, "Subcontext Error" },
1298
{ NDR_ERR_COMPRESSION, "Compression Error" },
1299
{ NDR_ERR_STRING, "String Error" },
1300
{ NDR_ERR_VALIDATE, "Validate Error" },
1301
{ NDR_ERR_BUFSIZE, "Buffer Size Error" },
1302
{ NDR_ERR_ALLOC, "Allocation Error" },
1303
{ NDR_ERR_RANGE, "Range Error" },
1304
{ NDR_ERR_TOKEN, "Token Error" },
1305
{ NDR_ERR_IPV4ADDRESS, "IPv4 Address Error" },
1306
{ NDR_ERR_INVALID_POINTER, "Invalid Pointer" },
1307
{ NDR_ERR_UNREAD_BYTES, "Unread Bytes" },
1308
{ NDR_ERR_NDR64, "NDR64 assertion error" },
1309
{ 0, NULL }
1310
};
1311
1312
_PUBLIC_ const char *ndr_map_error2string(enum ndr_err_code ndr_err)
1313
{
1314
int i;
1315
for (i = 0; ndr_err_code_strings[i].string != NULL; i++) {
1316
if (ndr_err_code_strings[i].err == ndr_err)
1317
return ndr_err_code_strings[i].string;
1318
}
1319
return "Unknown error";
1320
}
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Version: 2.0.1