1 /*
2    Unix SMB/CIFS implementation.
3    rpc interface definitions
4 
5    Copyright (C) Andrew Tridgell 2003
6 
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 3 of the License, or
10    (at your option) any later version.
11 
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16 
17    You should have received a copy of the GNU General Public License
18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
19 */
20 
21 /* This is a public header file that is installed as part of Samba.
22  * If you remove any functions or change their signature, update
23  * the so version number. */
24 
25 #ifndef __LIBNDR_H__
26 #define __LIBNDR_H__
27 
28 #include <talloc.h>
29 #include "../lib/util/discard.h" /* for discard_const */
30 #include "../lib/util/byteorder.h"
31 #include "../lib/util/data_blob.h"
32 #include "../lib/util/time.h"
33 #include "../lib/util/charset/charset.h"
34 
35 /*
36   this provides definitions for the libcli/rpc/ MSRPC library
37 */
38 
39 
40 /*
41   We store the token mapping in an array that is resized as necessary.
42 */
43 struct ndr_token;
44 
45 struct ndr_token_list {
46 	struct ndr_token *tokens;
47 	uint32_t count;
48 };
49 
50 struct ndr_compression_state;
51 
52 /* this is the base structure passed to routines that
53    parse MSRPC formatted data
54 
55    note that in Samba4 we use separate routines and structures for
56    MSRPC marshalling and unmarshalling. Also note that these routines
57    are being kept deliberately very simple, and are not tied to a
58    particular transport
59 */
60 struct ndr_pull {
61 	uint32_t flags; /* LIBNDR_FLAG_* */
62 	uint8_t *data;
63 	uint32_t data_size;
64 	uint32_t offset;
65 
66 	uint32_t relative_highest_offset;
67 	uint32_t relative_base_offset;
68 	uint32_t relative_rap_convert;
69 	struct ndr_token_list relative_base_list;
70 
71 	struct ndr_token_list relative_list;
72 	struct ndr_token_list array_size_list;
73 	struct ndr_token_list array_length_list;
74 	struct ndr_token_list switch_list;
75 
76 	struct ndr_compression_state *cstate;
77 
78 	TALLOC_CTX *current_mem_ctx;
79 
80 	/* this is used to ensure we generate unique reference IDs
81 	   between request and reply */
82 	uint32_t ptr_count;
83 };
84 
85 /* structure passed to functions that generate NDR formatted data */
86 struct ndr_push {
87 	uint32_t flags; /* LIBNDR_FLAG_* */
88 	uint8_t *data;
89 	uint32_t alloc_size;
90 	uint32_t offset;
91 	bool fixed_buf_size;
92 
93 	uint32_t relative_base_offset;
94 	uint32_t relative_end_offset;
95 	struct ndr_token_list relative_base_list;
96 
97 	struct ndr_token_list switch_list;
98 	struct ndr_token_list relative_list;
99 	struct ndr_token_list relative_begin_list;
100 	struct ndr_token_list nbt_string_list;
101 	struct ndr_token_list dns_string_list;
102 	struct ndr_token_list full_ptr_list;
103 
104 	struct ndr_compression_state *cstate;
105 
106 	/* this is used to ensure we generate unique reference IDs */
107 	uint32_t ptr_count;
108 };
109 
110 /* structure passed to functions that print IDL structures */
111 struct ndr_print {
112 	uint32_t flags; /* LIBNDR_FLAG_* */
113 	uint32_t depth;
114 	struct ndr_token_list switch_list;
115 	void (*print)(struct ndr_print *, const char *, ...) PRINTF_ATTRIBUTE(2,3);
116 	void *private_data;
117 	bool no_newline;
118 	bool print_secrets;
119 };
120 
121 #define LIBNDR_FLAG_BIGENDIAN  (1U<<0)
122 #define LIBNDR_FLAG_NOALIGN    (1U<<1)
123 
124 #define LIBNDR_FLAG_STR_ASCII		(1U<<2)
125 #define LIBNDR_FLAG_STR_LEN4		(1U<<3)
126 #define LIBNDR_FLAG_STR_SIZE4		(1U<<4)
127 #define LIBNDR_FLAG_STR_NOTERM		(1U<<5)
128 #define LIBNDR_FLAG_STR_NULLTERM	(1U<<6)
129 #define LIBNDR_FLAG_STR_SIZE2		(1U<<7)
130 #define LIBNDR_FLAG_STR_BYTESIZE	(1U<<8)
131 #define LIBNDR_FLAG_STR_CONFORMANT	(1U<<10)
132 #define LIBNDR_FLAG_STR_CHARLEN		(1U<<11)
133 #define LIBNDR_FLAG_STR_UTF8		(1U<<12)
134 #define LIBNDR_FLAG_STR_RAW8		(1U<<13)
135 #define LIBNDR_STRING_FLAGS		(0U | \
136 		LIBNDR_FLAG_STR_ASCII | \
137 		LIBNDR_FLAG_STR_LEN4 | \
138 		LIBNDR_FLAG_STR_SIZE4 | \
139 		LIBNDR_FLAG_STR_NOTERM | \
140 		LIBNDR_FLAG_STR_NULLTERM | \
141 		LIBNDR_FLAG_STR_SIZE2 | \
142 		LIBNDR_FLAG_STR_BYTESIZE | \
143 		LIBNDR_FLAG_STR_CONFORMANT | \
144 		LIBNDR_FLAG_STR_CHARLEN | \
145 		LIBNDR_FLAG_STR_UTF8 | \
146 		LIBNDR_FLAG_STR_RAW8 | \
147 		0)
148 
149 /*
150  * Mark an element as SECRET, it won't be printed by
151  * via ndr_print* unless NDR_PRINT_SECRETS is specified.
152  */
153 #define LIBNDR_FLAG_IS_SECRET		(1U<<14)
154 
155 /* Disable string token compression  */
156 #define LIBNDR_FLAG_NO_COMPRESSION	(1U<<15)
157 
158 /*
159  * don't debug NDR_ERR_BUFSIZE failures,
160  * as the available buffer might be incomplete.
161  *
162  * return NDR_ERR_INCOMPLETE_BUFFER instead.
163  */
164 #define LIBNDR_FLAG_INCOMPLETE_BUFFER (1U<<16)
165 
166 /*
167  * This lets ndr_pull_subcontext_end() return
168  * NDR_ERR_UNREAD_BYTES.
169  */
170 #define LIBNDR_FLAG_SUBCONTEXT_NO_UNREAD_BYTES (1U<<17)
171 
172 /* set if relative pointers should *not* be marshalled in reverse order */
173 #define LIBNDR_FLAG_NO_RELATIVE_REVERSE	(1U<<18)
174 
175 /* set if relative pointers are marshalled in reverse order */
176 #define LIBNDR_FLAG_RELATIVE_REVERSE	(1U<<19)
177 
178 #define LIBNDR_FLAG_REF_ALLOC    (1U<<20)
179 #define LIBNDR_FLAG_REMAINING    (1U<<21)
180 #define LIBNDR_FLAG_ALIGN2       (1U<<22)
181 #define LIBNDR_FLAG_ALIGN4       (1U<<23)
182 #define LIBNDR_FLAG_ALIGN8       (1U<<24)
183 
184 #define LIBNDR_ALIGN_FLAGS ( 0        | \
185 		LIBNDR_FLAG_NOALIGN   | \
186 		LIBNDR_FLAG_REMAINING | \
187 		LIBNDR_FLAG_ALIGN2    | \
188 		LIBNDR_FLAG_ALIGN4    | \
189 		LIBNDR_FLAG_ALIGN8    | \
190 		0)
191 
192 #define LIBNDR_PRINT_ARRAY_HEX   (1U<<25)
193 #define LIBNDR_PRINT_SET_VALUES  (1U<<26)
194 
195 /* used to force a section of IDL to be little-endian */
196 #define LIBNDR_FLAG_LITTLE_ENDIAN (1U<<27)
197 
198 /* used to check if alignment padding is zero */
199 #define LIBNDR_FLAG_PAD_CHECK     (1U<<28)
200 
201 #define LIBNDR_FLAG_NDR64         (1U<<29)
202 
203 /* set if an object uuid will be present */
204 #define LIBNDR_FLAG_OBJECT_PRESENT    (1U<<30)
205 
206 /* set to avoid recursion in ndr_size_*() calculation */
207 #define LIBNDR_FLAG_NO_NDR_SIZE		(1U<<31)
208 
209 /* useful macro for debugging */
210 #define NDR_PRINT_DEBUG(type, p) ndr_print_debug((ndr_print_fn_t)ndr_print_ ##type, #p, p)
211 #define NDR_PRINT_DEBUGC(dbgc_class, type, p) ndr_print_debugc(dbgc_class, (ndr_print_fn_t)ndr_print_ ##type, #p, p)
212 #define NDR_PRINT_UNION_DEBUG(type, level, p) ndr_print_union_debug((ndr_print_fn_t)ndr_print_ ##type, #p, level, p)
213 #define NDR_PRINT_FUNCTION_DEBUG(type, flags, p) ndr_print_function_debug((ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
214 #define NDR_PRINT_BOTH_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_BOTH, p)
215 #define NDR_PRINT_OUT_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_OUT, p)
216 #define NDR_PRINT_IN_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_IN | NDR_SET_VALUES, p)
217 
218 /* useful macro for debugging in strings */
219 #define NDR_PRINT_STRUCT_STRING(ctx, type, p) ndr_print_struct_string(ctx, (ndr_print_fn_t)ndr_print_ ##type, #p, p)
220 #define NDR_PRINT_UNION_STRING(ctx, type, level, p) ndr_print_union_string(ctx, (ndr_print_fn_t)ndr_print_ ##type, #p, level, p)
221 #define NDR_PRINT_FUNCTION_STRING(ctx, type, flags, p) ndr_print_function_string(ctx, (ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
222 #define NDR_PRINT_BOTH_STRING(ctx, type, p) NDR_PRINT_FUNCTION_STRING(ctx, type, NDR_BOTH, p)
223 #define NDR_PRINT_OUT_STRING(ctx, type, p) NDR_PRINT_FUNCTION_STRING(ctx, type, NDR_OUT, p)
224 #define NDR_PRINT_IN_STRING(ctx, type, p) NDR_PRINT_FUNCTION_STRING(ctx, type, NDR_IN | NDR_SET_VALUES, p)
225 
226 #define NDR_HIDE_SECRET(ndr) \
227 	(unlikely(((ndr)->flags & LIBNDR_FLAG_IS_SECRET) && !(ndr)->print_secrets))
228 
229 #define NDR_BE(ndr) (unlikely(((ndr)->flags & (LIBNDR_FLAG_BIGENDIAN|LIBNDR_FLAG_LITTLE_ENDIAN)) == LIBNDR_FLAG_BIGENDIAN))
230 
231 enum ndr_err_code {
232 	NDR_ERR_SUCCESS = 0,
233 	NDR_ERR_ARRAY_SIZE,
234 	NDR_ERR_BAD_SWITCH,
235 	NDR_ERR_OFFSET,
236 	NDR_ERR_RELATIVE,
237 	NDR_ERR_CHARCNV,
238 	NDR_ERR_LENGTH,
239 	NDR_ERR_SUBCONTEXT,
240 	NDR_ERR_COMPRESSION,
241 	NDR_ERR_STRING,
242 	NDR_ERR_VALIDATE,
243 	NDR_ERR_BUFSIZE,
244 	NDR_ERR_ALLOC,
245 	NDR_ERR_RANGE,
246 	NDR_ERR_TOKEN,
247 	NDR_ERR_IPV4ADDRESS,
248 	NDR_ERR_IPV6ADDRESS,
249 	NDR_ERR_INVALID_POINTER,
250 	NDR_ERR_UNREAD_BYTES,
251 	NDR_ERR_NDR64,
252 	NDR_ERR_FLAGS,
253 	NDR_ERR_INCOMPLETE_BUFFER
254 };
255 
256 #define NDR_ERR_CODE_IS_SUCCESS(x) (x == NDR_ERR_SUCCESS)
257 
258 #define NDR_ERR_HAVE_NO_MEMORY(x) do { \
259 	if (NULL == (x)) { \
260 		return NDR_ERR_ALLOC; \
261 	} \
262 } while (0)
263 
264 enum ndr_compression_alg {
265 	NDR_COMPRESSION_MSZIP_CAB = 1,
266 	NDR_COMPRESSION_MSZIP	= 2,
267 	NDR_COMPRESSION_XPRESS	= 3
268 };
269 
270 /*
271   flags passed to control parse flow
272   These are deliberately in a different range to the NDR_IN/NDR_OUT
273   flags to catch mixups
274 */
275 #define NDR_SCALARS    0x100
276 #define NDR_BUFFERS    0x200
277 
278 /*
279   flags passed to ndr_print_*() and ndr pull/push for functions
280   These are deliberately in a different range to the NDR_SCALARS/NDR_BUFFERS
281   flags to catch mixups
282 */
283 #define NDR_IN         0x10
284 #define NDR_OUT        0x20
285 #define NDR_BOTH       0x30
286 #define NDR_SET_VALUES 0x40
287 
288 
289 #define NDR_PULL_CHECK_FLAGS(ndr, ndr_flags) do { \
290 	if ((ndr_flags) & ~(NDR_SCALARS|NDR_BUFFERS)) { \
291 		return ndr_pull_error(ndr, NDR_ERR_FLAGS, "Invalid pull struct ndr_flags 0x%x", ndr_flags); \
292 	} \
293 } while (0)
294 
295 #define NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags) do { \
296 	if ((ndr_flags) & ~(NDR_SCALARS|NDR_BUFFERS)) \
297 		return ndr_push_error(ndr, NDR_ERR_FLAGS, "Invalid push struct ndr_flags 0x%x", ndr_flags); \
298 } while (0)
299 
300 #define NDR_PULL_CHECK_FN_FLAGS(ndr, flags) do { \
301 	if ((flags) & ~(NDR_BOTH|NDR_SET_VALUES)) { \
302 		return ndr_pull_error(ndr, NDR_ERR_FLAGS, "Invalid fn pull flags 0x%x", flags); \
303 	} \
304 } while (0)
305 
306 #define NDR_PUSH_CHECK_FN_FLAGS(ndr, flags) do { \
307 	if ((flags) & ~(NDR_BOTH|NDR_SET_VALUES)) \
308 		return ndr_push_error(ndr, NDR_ERR_FLAGS, "Invalid fn push flags 0x%x", flags); \
309 } while (0)
310 
311 #define NDR_PULL_NEED_BYTES(ndr, n) do { \
312 	if (unlikely((n) > ndr->data_size || ndr->offset + (n) > ndr->data_size)) { \
313 		if (ndr->flags & LIBNDR_FLAG_INCOMPLETE_BUFFER) { \
314 			uint32_t _available = ndr->data_size - ndr->offset; \
315 			uint32_t _missing = n - _available; \
316 			ndr->relative_highest_offset = _missing; \
317 		} \
318 		return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull bytes %u (%s)", (unsigned)n, __location__); \
319 	} \
320 } while(0)
321 
322 #define NDR_ALIGN(ndr, n) ndr_align_size(ndr->offset, n)
323 
324 #define NDR_ROUND(size, n) (((size)+((n)-1)) & ~((n)-1))
325 
326 #define NDR_PULL_ALIGN(ndr, n) do { \
327 	if (unlikely(!(ndr->flags & LIBNDR_FLAG_NOALIGN))) {	\
328 		if (unlikely(ndr->flags & LIBNDR_FLAG_PAD_CHECK)) {	\
329 			ndr_check_padding(ndr, n); \
330 		} \
331 		ndr->offset = (ndr->offset + (n-1)) & ~(n-1); \
332 	} \
333 	if (unlikely(ndr->offset > ndr->data_size)) {			\
334 		if (ndr->flags & LIBNDR_FLAG_INCOMPLETE_BUFFER) { \
335 			uint32_t _missing = ndr->offset - ndr->data_size; \
336 			ndr->relative_highest_offset = _missing; \
337 		} \
338 		return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull align %u", (unsigned)n); \
339 	} \
340 } while(0)
341 
342 #define NDR_PUSH_NEED_BYTES(ndr, n) NDR_CHECK(ndr_push_expand(ndr, n))
343 
344 #define NDR_PUSH_ALIGN(ndr, n) do { \
345 	if (likely(!(ndr->flags & LIBNDR_FLAG_NOALIGN))) {	\
346 		uint32_t _pad = ((ndr->offset + (n-1)) & ~(n-1)) - ndr->offset; \
347 		while (_pad--) NDR_CHECK(ndr_push_uint8(ndr, NDR_SCALARS, 0)); \
348 	} \
349 } while(0)
350 
351 /* these are used to make the error checking on each element in libndr
352    less tedious, hopefully making the code more readable */
353 #define NDR_CHECK(call) do { \
354 	enum ndr_err_code _status; \
355 	_status = call; \
356 	if (unlikely(!NDR_ERR_CODE_IS_SUCCESS(_status))) {	\
357 		return _status; \
358 	} \
359 } while (0)
360 
361 /* if the call fails then free the ndr pointer */
362 #define NDR_CHECK_FREE(call) do { \
363 	enum ndr_err_code _status; \
364 	_status = call; \
365 	if (unlikely(!NDR_ERR_CODE_IS_SUCCESS(_status))) {	\
366 		talloc_free(ndr);		 \
367 		return _status; \
368 	} \
369 } while (0)
370 
371 #define NDR_PULL_GET_MEM_CTX(ndr) (ndr->current_mem_ctx)
372 
373 #define NDR_PULL_SET_MEM_CTX(ndr, mem_ctx, flgs) do {\
374 	if ( !(flgs) || (ndr->flags & flgs) ) {\
375 		if (!(mem_ctx)) {\
376 			return ndr_pull_error(ndr, NDR_ERR_ALLOC, "NDR_PULL_SET_MEM_CTX(NULL): %s\n", __location__); \
377 		}\
378 		ndr->current_mem_ctx = discard_const(mem_ctx);\
379 	}\
380 } while(0)
381 
382 #define _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr) do {\
383 	if (!ndr->current_mem_ctx) {\
384 		ndr->current_mem_ctx = talloc_new(ndr);\
385 		if (!ndr->current_mem_ctx) {\
386 			return ndr_pull_error(ndr, NDR_ERR_ALLOC, "_NDR_PULL_FIX_CURRENT_MEM_CTX() failed: %s\n", __location__); \
387 		}\
388 	}\
389 } while(0)
390 
391 #define NDR_PULL_ALLOC(ndr, s) do { \
392 	_NDR_PULL_FIX_CURRENT_MEM_CTX(ndr);\
393 	(s) = talloc_ptrtype(ndr->current_mem_ctx, (s)); \
394 	if (unlikely(!(s))) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %s failed: %s\n", # s, __location__); \
395 } while (0)
396 
397 #define NDR_PULL_ALLOC_N(ndr, s, n) do { \
398 	_NDR_PULL_FIX_CURRENT_MEM_CTX(ndr);\
399 	(s) = talloc_array_ptrtype(ndr->current_mem_ctx, (s), n); \
400 	if (unlikely(!(s))) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %u * %s failed: %s\n", (unsigned)n, # s, __location__); \
401 } while (0)
402 
403 
404 #define NDR_PUSH_ALLOC_SIZE(ndr, s, size) do { \
405        (s) = talloc_array(ndr, uint8_t, size); \
406        if (unlikely(!(s))) return ndr_push_error(ndr, NDR_ERR_ALLOC, "push alloc %u failed: %s\n", (unsigned)size, __location__); \
407 } while (0)
408 
409 #define NDR_PUSH_ALLOC(ndr, s) do { \
410        (s) = talloc_ptrtype(ndr, (s)); \
411        if (unlikely(!(s))) return ndr_push_error(ndr, NDR_ERR_ALLOC, "push alloc %s failed: %s\n", # s, __location__); \
412 } while (0)
413 
414 #define NDR_ZERO_STRUCT(x) ndr_zero_memory(&(x), sizeof(x))
415 #define NDR_ZERO_STRUCTP(x) do { \
416 	if ((x) != NULL) { \
417 		ndr_zero_memory((x), sizeof(*(x))); \
418 	} \
419 } while(0)
420 
421 /* these are used when generic fn pointers are needed for ndr push/pull fns */
422 typedef enum ndr_err_code (*ndr_push_flags_fn_t)(struct ndr_push *, int ndr_flags, const void *);
423 typedef enum ndr_err_code (*ndr_pull_flags_fn_t)(struct ndr_pull *, int ndr_flags, void *);
424 typedef void (*ndr_print_fn_t)(struct ndr_print *, const char *, const void *);
425 typedef void (*ndr_print_function_t)(struct ndr_print *, const char *, int, const void *);
426 
427 #include "../libcli/util/error.h"
428 #include "librpc/gen_ndr/misc.h"
429 
430 extern const struct ndr_syntax_id ndr_transfer_syntax_ndr;
431 extern const struct ndr_syntax_id ndr_transfer_syntax_ndr64;
432 extern const struct ndr_syntax_id ndr_syntax_id_null;
433 
434 struct ndr_interface_call_pipe {
435 	const char *name;
436 	const char *chunk_struct_name;
437 	size_t chunk_struct_size;
438 	ndr_push_flags_fn_t ndr_push;
439 	ndr_pull_flags_fn_t ndr_pull;
440 	ndr_print_fn_t ndr_print;
441 };
442 
443 struct ndr_interface_call_pipes {
444 	uint32_t num_pipes;
445 	const struct ndr_interface_call_pipe *pipes;
446 };
447 
448 struct ndr_interface_call {
449 	const char *name;
450 	size_t struct_size;
451 	ndr_push_flags_fn_t ndr_push;
452 	ndr_pull_flags_fn_t ndr_pull;
453 	ndr_print_function_t ndr_print;
454 	struct ndr_interface_call_pipes in_pipes;
455 	struct ndr_interface_call_pipes out_pipes;
456 };
457 
458 struct ndr_interface_public_struct {
459 	const char *name;
460 	size_t struct_size;
461 	ndr_push_flags_fn_t ndr_push;
462 	ndr_pull_flags_fn_t ndr_pull;
463 	ndr_print_function_t ndr_print;
464 };
465 
466 struct ndr_interface_string_array {
467 	uint32_t count;
468 	const char * const *names;
469 };
470 
471 struct ndr_interface_table {
472 	const char *name;
473 	struct ndr_syntax_id syntax_id;
474 	const char *helpstring;
475 	uint32_t num_calls;
476 	const struct ndr_interface_call *calls;
477 	uint32_t num_public_structs;
478 	const struct ndr_interface_public_struct *public_structs;
479 	const struct ndr_interface_string_array *endpoints;
480 	const struct ndr_interface_string_array *authservices;
481 };
482 
483 struct ndr_interface_list {
484 	struct ndr_interface_list *prev, *next;
485 	const struct ndr_interface_table *table;
486 };
487 
488 struct sockaddr_storage;
489 
490 /*********************************************************************
491  Map an NT error code from a NDR error code.
492 *********************************************************************/
493 NTSTATUS ndr_map_error2ntstatus(enum ndr_err_code ndr_err);
494 int ndr_map_error2errno(enum ndr_err_code ndr_err);
495 const char *ndr_map_error2string(enum ndr_err_code ndr_err);
496 #define ndr_errstr ndr_map_error2string
497 
498 /* FIXME: Use represent_as instead */
499 struct dom_sid;
500 enum ndr_err_code ndr_push_dom_sid2(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
501 enum ndr_err_code ndr_pull_dom_sid2(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
502 void ndr_print_dom_sid2(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
503 enum ndr_err_code ndr_push_dom_sid28(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
504 enum ndr_err_code ndr_pull_dom_sid28(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
505 void ndr_print_dom_sid28(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
506 size_t ndr_size_dom_sid28(const struct dom_sid *sid, int flags);
507 enum ndr_err_code ndr_push_dom_sid0(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
508 enum ndr_err_code ndr_pull_dom_sid0(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
509 void ndr_print_dom_sid0(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
510 size_t ndr_size_dom_sid0(const struct dom_sid *sid, int flags);
511 void ndr_print_GUID(struct ndr_print *ndr, const char *name, const struct GUID *guid);
512 void ndr_print_sockaddr_storage(struct ndr_print *ndr, const char *name, const struct sockaddr_storage *ss);
513 void ndr_zero_memory(void *ptr, size_t len);
514 bool ndr_syntax_id_equal(const struct ndr_syntax_id *i1, const struct ndr_syntax_id *i2);
515 char *ndr_syntax_id_to_string(TALLOC_CTX *mem_ctx, const struct ndr_syntax_id *id);
516 bool ndr_syntax_id_from_string(const char *s, struct ndr_syntax_id *id);
517 enum ndr_err_code ndr_push_struct_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, const void *p, ndr_push_flags_fn_t fn);
518 enum ndr_err_code ndr_push_struct_into_fixed_blob(DATA_BLOB *blob,
519 						  const void *p,
520 						  ndr_push_flags_fn_t fn);
521 enum ndr_err_code ndr_push_union_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p, uint32_t level, ndr_push_flags_fn_t fn);
522 size_t ndr_size_struct(const void *p, int flags, ndr_push_flags_fn_t push);
523 size_t ndr_size_union(const void *p, int flags, uint32_t level, ndr_push_flags_fn_t push);
524 uint32_t ndr_push_get_relative_base_offset(struct ndr_push *ndr);
525 void ndr_push_restore_relative_base_offset(struct ndr_push *ndr, uint32_t offset);
526 enum ndr_err_code ndr_push_setup_relative_base_offset1(struct ndr_push *ndr, const void *p, uint32_t offset);
527 enum ndr_err_code ndr_push_setup_relative_base_offset2(struct ndr_push *ndr, const void *p);
528 enum ndr_err_code ndr_push_relative_ptr1(struct ndr_push *ndr, const void *p);
529 enum ndr_err_code ndr_push_short_relative_ptr1(struct ndr_push *ndr, const void *p);
530 enum ndr_err_code ndr_push_relative_ptr2_start(struct ndr_push *ndr, const void *p);
531 enum ndr_err_code ndr_push_relative_ptr2_end(struct ndr_push *ndr, const void *p);
532 enum ndr_err_code ndr_push_short_relative_ptr2(struct ndr_push *ndr, const void *p);
533 uint32_t ndr_pull_get_relative_base_offset(struct ndr_pull *ndr);
534 void ndr_pull_restore_relative_base_offset(struct ndr_pull *ndr, uint32_t offset);
535 enum ndr_err_code ndr_pull_setup_relative_base_offset1(struct ndr_pull *ndr, const void *p, uint32_t offset);
536 enum ndr_err_code ndr_pull_setup_relative_base_offset2(struct ndr_pull *ndr, const void *p);
537 enum ndr_err_code ndr_pull_relative_ptr1(struct ndr_pull *ndr, const void *p, uint32_t rel_offset);
538 enum ndr_err_code ndr_pull_relative_ptr2(struct ndr_pull *ndr, const void *p);
539 enum ndr_err_code ndr_pull_relative_ptr_short(struct ndr_pull *ndr, uint16_t *v);
540 size_t ndr_align_size(uint32_t offset, size_t n);
541 struct ndr_pull *ndr_pull_init_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx);
542 enum ndr_err_code ndr_pull_append(struct ndr_pull *ndr, DATA_BLOB *blob);
543 enum ndr_err_code ndr_pull_pop(struct ndr_pull *ndr);
544 enum ndr_err_code ndr_pull_advance(struct ndr_pull *ndr, uint32_t size);
545 struct ndr_push *ndr_push_init_ctx(TALLOC_CTX *mem_ctx);
546 DATA_BLOB ndr_push_blob(struct ndr_push *ndr);
547 enum ndr_err_code ndr_push_expand(struct ndr_push *ndr, uint32_t extra_size);
548 void ndr_print_debug_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
549 void ndr_print_debugc_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
550 void ndr_print_printf_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
551 void ndr_print_string_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
552 void ndr_print_debug(ndr_print_fn_t fn, const char *name, void *ptr);
553 void ndr_print_debugc(int dbgc_class, ndr_print_fn_t fn, const char *name, void *ptr);
554 void ndr_print_union_debug(ndr_print_fn_t fn, const char *name, uint32_t level, void *ptr);
555 void ndr_print_function_debug(ndr_print_function_t fn, const char *name, int flags, void *ptr);
556 char *ndr_print_struct_string(TALLOC_CTX *mem_ctx, ndr_print_fn_t fn, const char *name, void *ptr);
557 char *ndr_print_union_string(TALLOC_CTX *mem_ctx, ndr_print_fn_t fn, const char *name, uint32_t level, void *ptr);
558 char *ndr_print_function_string(TALLOC_CTX *mem_ctx,
559 				ndr_print_function_t fn, const char *name,
560 				int flags, void *ptr);
561 void ndr_set_flags(uint32_t *pflags, uint32_t new_flags);
562 enum ndr_err_code _ndr_pull_error(struct ndr_pull *ndr,
563 				  enum ndr_err_code ndr_err,
564 				  const char *function,
565 				  const char *location,
566 				  const char *format, ...) PRINTF_ATTRIBUTE(5,6);
567 #define ndr_pull_error(ndr, ndr_err, ...) \
568 	_ndr_pull_error(ndr, \
569 		        ndr_err,      \
570 		        __FUNCTION__, \
571 		        __location__, \
572 			__VA_ARGS__)
573 enum ndr_err_code _ndr_push_error(struct ndr_push *ndr,
574 				  enum ndr_err_code ndr_err,
575 				  const char *function,
576 				  const char *location,
577 				  const char *format, ...)  PRINTF_ATTRIBUTE(5,6);
578 #define ndr_push_error(ndr, ndr_err, ...) \
579 	_ndr_push_error(ndr, \
580 		        ndr_err, \
581 		        __FUNCTION__, \
582 		        __location__, \
583 			__VA_ARGS__)
584 enum ndr_err_code ndr_pull_subcontext_start(struct ndr_pull *ndr,
585 				   struct ndr_pull **_subndr,
586 				   size_t header_size,
587 				   ssize_t size_is);
588 enum ndr_err_code ndr_pull_subcontext_end(struct ndr_pull *ndr,
589 				 struct ndr_pull *subndr,
590 				 size_t header_size,
591 				 ssize_t size_is);
592 enum ndr_err_code ndr_push_subcontext_start(struct ndr_push *ndr,
593 				   struct ndr_push **_subndr,
594 				   size_t header_size,
595 				   ssize_t size_is);
596 enum ndr_err_code ndr_push_subcontext_end(struct ndr_push *ndr,
597 				 struct ndr_push *subndr,
598 				 size_t header_size,
599 				 ssize_t size_is);
600 enum ndr_err_code ndr_token_store(TALLOC_CTX *mem_ctx,
601 			 struct ndr_token_list *list,
602 			 const void *key,
603 			 uint32_t value);
604 enum ndr_err_code ndr_token_retrieve_cmp_fn(struct ndr_token_list *list, const void *key, uint32_t *v,
605 					    int(*_cmp_fn)(const void*,const void*), bool erase);
606 enum ndr_err_code ndr_token_retrieve(struct ndr_token_list *list, const void *key, uint32_t *v);
607 uint32_t ndr_token_peek(struct ndr_token_list *list, const void *key);
608 enum ndr_err_code ndr_pull_array_size(struct ndr_pull *ndr, const void *p);
609 uint32_t ndr_get_array_size(struct ndr_pull *ndr, const void *p);
610 enum ndr_err_code ndr_check_array_size(struct ndr_pull *ndr, void *p, uint32_t size);
611 enum ndr_err_code ndr_pull_array_length(struct ndr_pull *ndr, const void *p);
612 uint32_t ndr_get_array_length(struct ndr_pull *ndr, const void *p);
613 enum ndr_err_code ndr_check_array_length(struct ndr_pull *ndr, void *p, uint32_t length);
614 enum ndr_err_code ndr_push_pipe_chunk_trailer(struct ndr_push *ndr, int ndr_flags, uint32_t count);
615 enum ndr_err_code ndr_check_pipe_chunk_trailer(struct ndr_pull *ndr, int ndr_flags, uint32_t count);
616 enum ndr_err_code ndr_push_set_switch_value(struct ndr_push *ndr, const void *p, uint32_t val);
617 enum ndr_err_code ndr_pull_set_switch_value(struct ndr_pull *ndr, const void *p, uint32_t val);
618 enum ndr_err_code ndr_print_set_switch_value(struct ndr_print *ndr, const void *p, uint32_t val);
619 /* retrieve a switch value (for push) and remove it from the list */
620 enum ndr_err_code ndr_push_steal_switch_value(struct ndr_push *ndr,
621 					      const void *p,
622 					      uint32_t *v);
623 /* retrieve a switch value and remove it from the list */
624 uint32_t ndr_print_steal_switch_value(struct ndr_print *ndr, const void *p);
625 /* retrieve a switch value and remove it from the list */
626 enum ndr_err_code ndr_pull_steal_switch_value(struct ndr_pull *ndr,
627 					      const void *p,
628 					      uint32_t *v);
629 enum ndr_err_code ndr_pull_struct_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p, ndr_pull_flags_fn_t fn);
630 enum ndr_err_code ndr_pull_struct_blob_all(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p, ndr_pull_flags_fn_t fn);
631 enum ndr_err_code ndr_pull_struct_blob_all_noalloc(const DATA_BLOB *blob,
632 						   void *p, ndr_pull_flags_fn_t fn);
633 enum ndr_err_code ndr_pull_union_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p, uint32_t level, ndr_pull_flags_fn_t fn);
634 enum ndr_err_code ndr_pull_union_blob_all(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p, uint32_t level, ndr_pull_flags_fn_t fn);
635 
636 /* from libndr_basic.h */
637 #define NDR_SCALAR_PROTO(name, type) \
638 enum ndr_err_code ndr_push_ ## name(struct ndr_push *ndr, int ndr_flags, type v); \
639 enum ndr_err_code ndr_pull_ ## name(struct ndr_pull *ndr, int ndr_flags, type *v); \
640 void ndr_print_ ## name(struct ndr_print *ndr, const char *var_name, type v);
641 
642 #define NDR_SCALAR_PTR_PROTO(name, type) \
643 enum ndr_err_code ndr_push_ ## name(struct ndr_push *ndr, int ndr_flags, const type *v); \
644 enum ndr_err_code ndr_pull_ ## name(struct ndr_pull *ndr, int ndr_flags, type **v); \
645 void ndr_print_ ## name(struct ndr_print *ndr, const char *var_name, const type *v);
646 
647 #define NDR_BUFFER_PROTO(name, type) \
648 enum ndr_err_code ndr_push_ ## name(struct ndr_push *ndr, int ndr_flags, const type *v); \
649 enum ndr_err_code ndr_pull_ ## name(struct ndr_pull *ndr, int ndr_flags, type *v); \
650 void ndr_print_ ## name(struct ndr_print *ndr, const char *var_name, const type *v);
651 
652 NDR_SCALAR_PROTO(uint8, uint8_t)
653 NDR_SCALAR_PROTO(int8, int8_t)
654 NDR_SCALAR_PROTO(uint16, uint16_t)
655 NDR_SCALAR_PROTO(int16, int16_t)
656 NDR_SCALAR_PROTO(uint1632, uint16_t)
657 NDR_SCALAR_PROTO(uint32, uint32_t)
658 NDR_SCALAR_PROTO(uint3264, uint32_t)
659 NDR_SCALAR_PROTO(int32, int32_t)
660 NDR_SCALAR_PROTO(int3264, int32_t)
661 NDR_SCALAR_PROTO(udlong, uint64_t)
662 NDR_SCALAR_PROTO(udlongr, uint64_t)
663 NDR_SCALAR_PROTO(dlong, int64_t)
664 NDR_SCALAR_PROTO(hyper, uint64_t)
665 NDR_SCALAR_PROTO(pointer, void *)
666 NDR_SCALAR_PROTO(time_t, time_t)
667 NDR_SCALAR_PROTO(uid_t, uid_t)
668 NDR_SCALAR_PROTO(gid_t, gid_t)
669 NDR_SCALAR_PROTO(NTSTATUS, NTSTATUS)
670 NDR_SCALAR_PROTO(WERROR, WERROR)
671 NDR_SCALAR_PROTO(HRESULT, HRESULT)
672 NDR_SCALAR_PROTO(NTTIME, NTTIME)
673 NDR_SCALAR_PROTO(NTTIME_1sec, NTTIME)
674 NDR_SCALAR_PROTO(NTTIME_hyper, NTTIME)
675 NDR_SCALAR_PROTO(DATA_BLOB, DATA_BLOB)
676 NDR_SCALAR_PROTO(ipv4address, const char *)
677 NDR_SCALAR_PROTO(ipv6address, const char *)
678 NDR_SCALAR_PROTO(string, const char *)
679 NDR_SCALAR_PROTO(double, double)
680 
681 enum ndr_err_code ndr_pull_policy_handle(struct ndr_pull *ndr, int ndr_flags, struct policy_handle *r);
682 enum ndr_err_code ndr_push_policy_handle(struct ndr_push *ndr, int ndr_flags, const struct policy_handle *r);
683 void ndr_print_policy_handle(struct ndr_print *ndr, const char *name, const struct policy_handle *r);
684 bool ndr_policy_handle_empty(const struct policy_handle *h);
685 #define is_valid_policy_hnd(hnd) (!ndr_policy_handle_empty(hnd))
686 bool ndr_policy_handle_equal(const struct policy_handle *hnd1,
687 			 const struct policy_handle *hnd2);
688 
689 void ndr_check_padding(struct ndr_pull *ndr, size_t n);
690 enum ndr_err_code ndr_pull_generic_ptr(struct ndr_pull *ndr, uint32_t *v);
691 enum ndr_err_code ndr_pull_ref_ptr(struct ndr_pull *ndr, uint32_t *v);
692 enum ndr_err_code ndr_pull_bytes(struct ndr_pull *ndr, uint8_t *data, uint32_t n);
693 enum ndr_err_code ndr_pull_array_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *data, uint32_t n);
694 enum ndr_err_code ndr_push_align(struct ndr_push *ndr, size_t size);
695 enum ndr_err_code ndr_pull_align(struct ndr_pull *ndr, size_t size);
696 enum ndr_err_code ndr_push_union_align(struct ndr_push *ndr, size_t size);
697 enum ndr_err_code ndr_pull_union_align(struct ndr_pull *ndr, size_t size);
698 enum ndr_err_code ndr_push_trailer_align(struct ndr_push *ndr, size_t size);
699 enum ndr_err_code ndr_pull_trailer_align(struct ndr_pull *ndr, size_t size);
700 enum ndr_err_code ndr_push_bytes(struct ndr_push *ndr, const uint8_t *data, uint32_t n);
701 enum ndr_err_code ndr_push_zero(struct ndr_push *ndr, uint32_t n);
702 enum ndr_err_code ndr_push_array_uint8(struct ndr_push *ndr, int ndr_flags, const uint8_t *data, uint32_t n);
703 enum ndr_err_code ndr_push_unique_ptr(struct ndr_push *ndr, const void *p);
704 enum ndr_err_code ndr_push_full_ptr(struct ndr_push *ndr, const void *p);
705 enum ndr_err_code ndr_push_ref_ptr(struct ndr_push *ndr);
706 void ndr_print_struct(struct ndr_print *ndr, const char *name, const char *type);
707 void ndr_print_null(struct ndr_print *ndr);
708 void ndr_print_enum(struct ndr_print *ndr, const char *name, const char *type, const char *val, uint32_t value);
709 void ndr_print_bitmap_flag(struct ndr_print *ndr, size_t size, const char *flag_name, uint32_t flag, uint32_t value);
710 void ndr_print_bitmap_flag(struct ndr_print *ndr, size_t size, const char *flag_name, uint32_t flag, uint32_t value);
711 void ndr_print_ptr(struct ndr_print *ndr, const char *name, const void *p);
712 void ndr_print_union(struct ndr_print *ndr, const char *name, int level, const char *type);
713 void ndr_print_bad_level(struct ndr_print *ndr, const char *name, uint16_t level);
714 void ndr_print_array_uint8(struct ndr_print *ndr, const char *name, const uint8_t *data, uint32_t count);
715 uint32_t ndr_size_DATA_BLOB(int ret, const DATA_BLOB *data, int flags);
716 
717 /* strings */
718 uint32_t ndr_charset_length(const void *var, charset_t chset);
719 size_t ndr_string_array_size(struct ndr_push *ndr, const char *s);
720 uint32_t ndr_size_string(int ret, const char * const* string, int flags);
721 enum ndr_err_code ndr_pull_string_array(struct ndr_pull *ndr, int ndr_flags, const char ***_a);
722 enum ndr_err_code ndr_push_string_array(struct ndr_push *ndr, int ndr_flags, const char **a);
723 void ndr_print_string_array(struct ndr_print *ndr, const char *name, const char **a);
724 size_t ndr_size_string_array(const char **a, uint32_t count, int flags);
725 uint32_t ndr_string_length(const void *_var, uint32_t element_size);
726 enum ndr_err_code ndr_check_string_terminator(struct ndr_pull *ndr, uint32_t count, uint32_t element_size);
727 enum ndr_err_code ndr_pull_charset(struct ndr_pull *ndr, int ndr_flags, const char **var, uint32_t length, uint8_t byte_mul, charset_t chset);
728 enum ndr_err_code ndr_pull_charset_to_null(struct ndr_pull *ndr, int ndr_flags, const char **var, uint32_t length, uint8_t byte_mul, charset_t chset);
729 enum ndr_err_code ndr_push_charset(struct ndr_push *ndr, int ndr_flags, const char *var, uint32_t length, uint8_t byte_mul, charset_t chset);
730 enum ndr_err_code ndr_push_charset_to_null(struct ndr_push *ndr, int ndr_flags, const char *var, uint32_t length, uint8_t byte_mul, charset_t chset);
731 
732 /* GUIDs */
733 bool GUID_equal(const struct GUID *u1, const struct GUID *u2);
734 NTSTATUS GUID_to_ndr_blob(const struct GUID *guid, TALLOC_CTX *mem_ctx, DATA_BLOB *b);
735 NTSTATUS GUID_from_ndr_blob(const DATA_BLOB *b, struct GUID *guid);
736 NTSTATUS GUID_from_data_blob(const DATA_BLOB *s, struct GUID *guid);
737 NTSTATUS GUID_from_string(const char *s, struct GUID *guid);
738 struct GUID GUID_zero(void);
739 bool GUID_all_zero(const struct GUID *u);
740 int GUID_compare(const struct GUID *u1, const struct GUID *u2);
741 char *GUID_string(TALLOC_CTX *mem_ctx, const struct GUID *guid);
742 char *GUID_string2(TALLOC_CTX *mem_ctx, const struct GUID *guid);
743 char *GUID_hexstring(TALLOC_CTX *mem_ctx, const struct GUID *guid);
744 struct GUID GUID_random(void);
745 
746 /* Format is "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x" */
747  /* 32 chars + 4 ' ' + \0 + 2 for adding {}  */
748 struct GUID_txt_buf { char buf[39]; };
749 _PUBLIC_ char* GUID_buf_string(const struct GUID *guid,
750 			       struct GUID_txt_buf *dst);
751 
752 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *v);
753 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint16(struct ndr_pull *ndr, int ndr_flags, uint16_t *v);
754 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint32(struct ndr_pull *ndr, int ndr_flags, uint32_t *v);
755 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint1632(struct ndr_pull *ndr, int ndr_flags, uint16_t *v);
756 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint8(struct ndr_push *ndr, int ndr_flags, uint8_t v);
757 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint16(struct ndr_push *ndr, int ndr_flags, uint16_t v);
758 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint32(struct ndr_push *ndr, int ndr_flags, uint32_t v);
759 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint1632(struct ndr_push *ndr, int ndr_flags, uint16_t v);
760 
761 _PUBLIC_ void ndr_print_bool(struct ndr_print *ndr, const char *name, const bool b);
762 
763 _PUBLIC_ enum ndr_err_code ndr_push_timespec(struct ndr_push *ndr,
764 					     int ndr_flags,
765 					     const struct timespec *t);
766 _PUBLIC_ enum ndr_err_code ndr_pull_timespec(struct ndr_pull *ndr,
767 					     int ndr_flags,
768 					     struct timespec *t);
769 _PUBLIC_ void ndr_print_timespec(struct ndr_print *ndr, const char *name,
770 				 const struct timespec *t);
771 
772 _PUBLIC_ enum ndr_err_code ndr_push_timeval(struct ndr_push *ndr,
773 					    int ndr_flags,
774 					    const struct timeval *t);
775 _PUBLIC_ enum ndr_err_code ndr_pull_timeval(struct ndr_pull *ndr,
776 					    int ndr_flags,
777 					    struct timeval *t);
778 _PUBLIC_ void ndr_print_timeval(struct ndr_print *ndr, const char *name,
779 				const struct timeval *t);
780 
781 
782 
783 #endif /* __LIBNDR_H__ */
784