librpc/ndr/libndr.h

   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 <sys/time.h>
  30 #if _SAMBA_BUILD_ == 4
  31 #include "../lib/util/util.h" /* for discard_const */
  32 #include "../lib/util/charset/charset.h"
  33 #endif
  34
  35 /*
  36   this provides definitions for the libcli/rpc/ MSRPC library
  37 */
  38
  39
  40 /*
  41   this is used by the token store/retrieve code
  42 */
  43 struct ndr_token_list {
  44         struct ndr_token_list *next, *prev;
  45         const void *key;
  46         uint32_t value;
  47 };
  48
  49 /* this is the base structure passed to routines that
  50    parse MSRPC formatted data
  51
  52    note that in Samba4 we use separate routines and structures for
  53    MSRPC marshalling and unmarshalling. Also note that these routines
  54    are being kept deliberately very simple, and are not tied to a
  55    particular transport
  56 */
  57 struct ndr_pull {
  58         uint32_t flags; /* LIBNDR_FLAG_* */
  59         uint8_t *data;
  60         uint32_t data_size;
  61         uint32_t offset;
  62
  63         uint32_t relative_highest_offset;
  64         uint32_t relative_base_offset;
  65         uint32_t relative_rap_convert;
  66         struct ndr_token_list *relative_base_list;
  67
  68         struct ndr_token_list *relative_list;
  69         struct ndr_token_list *array_size_list;
  70         struct ndr_token_list *array_length_list;
  71         struct ndr_token_list *switch_list;
  72
  73         TALLOC_CTX *current_mem_ctx;
  74
  75         /* this is used to ensure we generate unique reference IDs
  76            between request and reply */
  77         uint32_t ptr_count;
  78 };
  79
  80 /* structure passed to functions that generate NDR formatted data */
  81 struct ndr_push {
  82         uint32_t flags; /* LIBNDR_FLAG_* */
  83         uint8_t *data;
  84         uint32_t alloc_size;
  85         uint32_t offset;
  86
  87         uint32_t relative_base_offset;
  88         uint32_t relative_end_offset;
  89         struct ndr_token_list *relative_base_list;
  90
  91         struct ndr_token_list *switch_list;
  92         struct ndr_token_list *relative_list;
  93         struct ndr_token_list *relative_begin_list;
  94         struct ndr_token_list *nbt_string_list;
  95         struct ndr_token_list *dns_string_list;
  96         struct ndr_token_list *full_ptr_list;
  97
  98         /* this is used to ensure we generate unique reference IDs */
  99         uint32_t ptr_count;
 100 };
 101
 102 /* structure passed to functions that print IDL structures */
 103 struct ndr_print {
 104         uint32_t flags; /* LIBNDR_FLAG_* */
 105         uint32_t depth;
 106         struct ndr_token_list *switch_list;
 107         void (*print)(struct ndr_print *, const char *, ...) PRINTF_ATTRIBUTE(2,3);
 108         void *private_data;
 109         bool no_newline;
 110 };
 111
 112 #define LIBNDR_FLAG_BIGENDIAN  (1<<0)
 113 #define LIBNDR_FLAG_NOALIGN    (1<<1)
 114
 115 #define LIBNDR_FLAG_STR_ASCII           (1<<2)
 116 #define LIBNDR_FLAG_STR_LEN4            (1<<3)
 117 #define LIBNDR_FLAG_STR_SIZE4           (1<<4)
 118 #define LIBNDR_FLAG_STR_NOTERM          (1<<5)
 119 #define LIBNDR_FLAG_STR_NULLTERM        (1<<6)
 120 #define LIBNDR_FLAG_STR_SIZE2           (1<<7)
 121 #define LIBNDR_FLAG_STR_BYTESIZE        (1<<8)
 122 #define LIBNDR_FLAG_STR_CONFORMANT      (1<<10)
 123 #define LIBNDR_FLAG_STR_CHARLEN         (1<<11)
 124 #define LIBNDR_FLAG_STR_UTF8            (1<<12)
 125 #define LIBNDR_STRING_FLAGS             (0x7FFC)
 126
 127 /* set if relative pointers should *not* be marshalled in reverse order */
 128 #define LIBNDR_FLAG_NO_RELATIVE_REVERSE (1<<18)
 129
 130 /* set if relative pointers are marshalled in reverse order */
 131 #define LIBNDR_FLAG_RELATIVE_REVERSE    (1<<19)
 132
 133 #define LIBNDR_FLAG_REF_ALLOC    (1<<20)
 134 #define LIBNDR_FLAG_REMAINING    (1<<21)
 135 #define LIBNDR_FLAG_ALIGN2       (1<<22)
 136 #define LIBNDR_FLAG_ALIGN4       (1<<23)
 137 #define LIBNDR_FLAG_ALIGN8       (1<<24)
 138
 139 #define LIBNDR_ALIGN_FLAGS (LIBNDR_FLAG_ALIGN2|LIBNDR_FLAG_ALIGN4|LIBNDR_FLAG_ALIGN8)
 140
 141 #define LIBNDR_PRINT_ARRAY_HEX   (1<<25)
 142 #define LIBNDR_PRINT_SET_VALUES  (1<<26)
 143
 144 /* used to force a section of IDL to be little-endian */
 145 #define LIBNDR_FLAG_LITTLE_ENDIAN (1<<27)
 146
 147 /* used to check if alignment padding is zero */
 148 #define LIBNDR_FLAG_PAD_CHECK     (1<<28)
 149
 150 #define LIBNDR_FLAG_NDR64         (1<<29)
 151
 152 /* set if an object uuid will be present */
 153 #define LIBNDR_FLAG_OBJECT_PRESENT    (1<<30)
 154
 155 /* set to avoid recursion in ndr_size_*() calculation */
 156 #define LIBNDR_FLAG_NO_NDR_SIZE         (1<<31)
 157
 158 /* useful macro for debugging */
 159 #define NDR_PRINT_DEBUG(type, p) ndr_print_debug((ndr_print_fn_t)ndr_print_ ##type, #p, p)
 160 #define NDR_PRINT_UNION_DEBUG(type, level, p) ndr_print_union_debug((ndr_print_fn_t)ndr_print_ ##type, #p, level, p)
 161 #define NDR_PRINT_FUNCTION_DEBUG(type, flags, p) ndr_print_function_debug((ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
 162 #define NDR_PRINT_BOTH_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_BOTH, p)
 163 #define NDR_PRINT_OUT_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_OUT, p)
 164 #define NDR_PRINT_IN_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_IN | NDR_SET_VALUES, p)
 165
 166 /* useful macro for debugging in strings */
 167 #define NDR_PRINT_STRUCT_STRING(ctx, type, p) ndr_print_struct_string(ctx, (ndr_print_fn_t)ndr_print_ ##type, #p, p)
 168 #define NDR_PRINT_UNION_STRING(ctx, type, level, p) ndr_print_union_string(ctx, (ndr_print_fn_t)ndr_print_ ##type, #p, level, p)
 169 #define NDR_PRINT_FUNCTION_STRING(ctx, type, flags, p) ndr_print_function_string(ctx, (ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
 170 #define NDR_PRINT_BOTH_STRING(ctx, type, p) NDR_PRINT_FUNCTION_STRING(ctx, type, NDR_BOTH, p)
 171 #define NDR_PRINT_OUT_STRING(ctx, type, p) NDR_PRINT_FUNCTION_STRING(ctx, type, NDR_OUT, p)
 172 #define NDR_PRINT_IN_STRING(ctx, type, p) NDR_PRINT_FUNCTION_STRING(ctx, type, NDR_IN | NDR_SET_VALUES, p)
 173
 174 #define NDR_BE(ndr) (unlikely(((ndr)->flags & (LIBNDR_FLAG_BIGENDIAN|LIBNDR_FLAG_LITTLE_ENDIAN)) == LIBNDR_FLAG_BIGENDIAN))
 175
 176 enum ndr_err_code {
 177         NDR_ERR_SUCCESS = 0,
 178         NDR_ERR_ARRAY_SIZE,
 179         NDR_ERR_BAD_SWITCH,
 180         NDR_ERR_OFFSET,
 181         NDR_ERR_RELATIVE,
 182         NDR_ERR_CHARCNV,
 183         NDR_ERR_LENGTH,
 184         NDR_ERR_SUBCONTEXT,
 185         NDR_ERR_COMPRESSION,
 186         NDR_ERR_STRING,
 187         NDR_ERR_VALIDATE,
 188         NDR_ERR_BUFSIZE,
 189         NDR_ERR_ALLOC,
 190         NDR_ERR_RANGE,
 191         NDR_ERR_TOKEN,
 192         NDR_ERR_IPV4ADDRESS,
 193         NDR_ERR_IPV6ADDRESS,
 194         NDR_ERR_INVALID_POINTER,
 195         NDR_ERR_UNREAD_BYTES,
 196         NDR_ERR_NDR64
 197 };
 198
 199 #define NDR_ERR_CODE_IS_SUCCESS(x) (x == NDR_ERR_SUCCESS)
 200
 201 #define NDR_ERR_HAVE_NO_MEMORY(x) do { \
 202         if (NULL == (x)) { \
 203                 return NDR_ERR_ALLOC; \
 204         } \
 205 } while (0)
 206
 207 enum ndr_compression_alg {
 208         NDR_COMPRESSION_MSZIP   = 2,
 209         NDR_COMPRESSION_XPRESS  = 3
 210 };
 211
 212 /*
 213   flags passed to control parse flow
 214 */
 215 #define NDR_SCALARS 1
 216 #define NDR_BUFFERS 2
 217
 218 /*
 219   flags passed to ndr_print_*()
 220 */
 221 #define NDR_IN 1
 222 #define NDR_OUT 2
 223 #define NDR_BOTH 3
 224 #define NDR_SET_VALUES 4
 225
 226 #define NDR_PULL_NEED_BYTES(ndr, n) do { \
 227         if (unlikely((n) > ndr->data_size || ndr->offset + (n) > ndr->data_size)) { \
 228                 return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull bytes %u (%s)", (unsigned)n, __location__); \
 229         } \
 230 } while(0)
 231
 232 #define NDR_ALIGN(ndr, n) ndr_align_size(ndr->offset, n)
 233
 234 #define NDR_ROUND(size, n) (((size)+((n)-1)) & ~((n)-1))
 235
 236 #define NDR_PULL_ALIGN(ndr, n) do { \
 237         if (unlikely(!(ndr->flags & LIBNDR_FLAG_NOALIGN))) {    \
 238                 if (unlikely(ndr->flags & LIBNDR_FLAG_PAD_CHECK)) {     \
 239                         ndr_check_padding(ndr, n); \
 240                 } \
 241                 ndr->offset = (ndr->offset + (n-1)) & ~(n-1); \
 242         } \
 243         if (unlikely(ndr->offset > ndr->data_size)) {                   \
 244                 return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull align %u", (unsigned)n); \
 245         } \
 246 } while(0)
 247
 248 #define NDR_PUSH_NEED_BYTES(ndr, n) NDR_CHECK(ndr_push_expand(ndr, n))
 249
 250 #define NDR_PUSH_ALIGN(ndr, n) do { \
 251         if (likely(!(ndr->flags & LIBNDR_FLAG_NOALIGN))) {      \
 252                 uint32_t _pad = ((ndr->offset + (n-1)) & ~(n-1)) - ndr->offset; \
 253                 while (_pad--) NDR_CHECK(ndr_push_uint8(ndr, NDR_SCALARS, 0)); \
 254         } \
 255 } while(0)
 256
 257 /* these are used to make the error checking on each element in libndr
 258    less tedious, hopefully making the code more readable */
 259 #define NDR_CHECK(call) do { \
 260         enum ndr_err_code _status; \
 261         _status = call; \
 262         if (unlikely(!NDR_ERR_CODE_IS_SUCCESS(_status))) {      \
 263                 return _status; \
 264         } \
 265 } while (0)
 266
 267 /* if the call fails then free the ndr pointer */
 268 #define NDR_CHECK_FREE(call) do { \
 269         enum ndr_err_code _status; \
 270         _status = call; \
 271         if (unlikely(!NDR_ERR_CODE_IS_SUCCESS(_status))) {      \
 272                 talloc_free(ndr);                \
 273                 return _status; \
 274         } \
 275 } while (0)
 276
 277 #define NDR_PULL_GET_MEM_CTX(ndr) (ndr->current_mem_ctx)
 278
 279 #define NDR_PULL_SET_MEM_CTX(ndr, mem_ctx, flgs) do {\
 280         if ( !(flgs) || (ndr->flags & flgs) ) {\
 281                 if (!(mem_ctx)) {\
 282                         return ndr_pull_error(ndr, NDR_ERR_ALLOC, "NDR_PULL_SET_MEM_CTX(NULL): %s\n", __location__); \
 283                 }\
 284                 ndr->current_mem_ctx = discard_const(mem_ctx);\
 285         }\
 286 } while(0)
 287
 288 #define _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr) do {\
 289         if (!ndr->current_mem_ctx) {\
 290                 ndr->current_mem_ctx = talloc_new(ndr);\
 291                 if (!ndr->current_mem_ctx) {\
 292                         return ndr_pull_error(ndr, NDR_ERR_ALLOC, "_NDR_PULL_FIX_CURRENT_MEM_CTX() failed: %s\n", __location__); \
 293                 }\
 294         }\
 295 } while(0)
 296
 297 #define NDR_PULL_ALLOC(ndr, s) do { \
 298         _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr);\
 299         (s) = talloc_ptrtype(ndr->current_mem_ctx, (s)); \
 300         if (unlikely(!(s))) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %s failed: %s\n", # s, __location__); \
 301 } while (0)
 302
 303 #define NDR_PULL_ALLOC_N(ndr, s, n) do { \
 304         _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr);\
 305         (s) = talloc_array_ptrtype(ndr->current_mem_ctx, (s), n); \
 306         if (unlikely(!(s))) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %u * %s failed: %s\n", (unsigned)n, # s, __location__); \
 307 } while (0)
 308
 309
 310 #define NDR_PUSH_ALLOC_SIZE(ndr, s, size) do { \
 311        (s) = talloc_array(ndr, uint8_t, size); \
 312        if (unlikely(!(s))) return ndr_push_error(ndr, NDR_ERR_ALLOC, "push alloc %u failed: %s\n", (unsigned)size, __location__); \
 313 } while (0)
 314
 315 #define NDR_PUSH_ALLOC(ndr, s) do { \
 316        (s) = talloc_ptrtype(ndr, (s)); \
 317        if (unlikely(!(s))) return ndr_push_error(ndr, NDR_ERR_ALLOC, "push alloc %s failed: %s\n", # s, __location__); \
 318 } while (0)
 319
 320 /* these are used when generic fn pointers are needed for ndr push/pull fns */
 321 typedef enum ndr_err_code (*ndr_push_flags_fn_t)(struct ndr_push *, int ndr_flags, const void *);
 322 typedef enum ndr_err_code (*ndr_pull_flags_fn_t)(struct ndr_pull *, int ndr_flags, void *);
 323 typedef void (*ndr_print_fn_t)(struct ndr_print *, const char *, const void *);
 324 typedef void (*ndr_print_function_t)(struct ndr_print *, const char *, int, const void *);
 325
 326 #include "../libcli/util/error.h"
 327 #include "librpc/gen_ndr/misc.h"
 328
 329 extern const struct ndr_syntax_id ndr_transfer_syntax;
 330 extern const struct ndr_syntax_id ndr64_transfer_syntax;
 331
 332 struct ndr_interface_call {
 333         const char *name;
 334         size_t struct_size;
 335         ndr_push_flags_fn_t ndr_push;
 336         ndr_pull_flags_fn_t ndr_pull;
 337         ndr_print_function_t ndr_print;
 338 };
 339
 340 struct ndr_interface_string_array {
 341         uint32_t count;
 342         const char * const *names;
 343 };
 344
 345 struct ndr_interface_table {
 346         const char *name;
 347         struct ndr_syntax_id syntax_id;
 348         const char *helpstring;
 349         uint32_t num_calls;
 350         const struct ndr_interface_call *calls;
 351         const struct ndr_interface_string_array *endpoints;
 352         const struct ndr_interface_string_array *authservices;
 353 };
 354
 355 struct ndr_interface_list {
 356         struct ndr_interface_list *prev, *next;
 357         const struct ndr_interface_table *table;
 358 };
 359
 360 /*********************************************************************
 361  Map an NT error code from a NDR error code.
 362 *********************************************************************/
 363 NTSTATUS ndr_map_error2ntstatus(enum ndr_err_code ndr_err);
 364 const char *ndr_map_error2string(enum ndr_err_code ndr_err);
 365
 366 /* FIXME: Use represent_as instead */
 367 struct dom_sid;
 368 enum ndr_err_code ndr_push_dom_sid2(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
 369 enum ndr_err_code ndr_pull_dom_sid2(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
 370 void ndr_print_dom_sid2(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
 371 enum ndr_err_code ndr_push_dom_sid28(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
 372 enum ndr_err_code ndr_pull_dom_sid28(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
 373 void ndr_print_dom_sid28(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
 374 size_t ndr_size_dom_sid28(const struct dom_sid *sid, int flags);
 375 enum ndr_err_code ndr_push_dom_sid0(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
 376 enum ndr_err_code ndr_pull_dom_sid0(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
 377 void ndr_print_dom_sid0(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
 378 size_t ndr_size_dom_sid0(const struct dom_sid *sid, int flags);
 379 void ndr_print_ipv4_addr(struct ndr_print *ndr, const char *name, const struct in_addr *_ip);
 380 void ndr_print_GUID(struct ndr_print *ndr, const char *name, const struct GUID *guid);
 381 bool ndr_syntax_id_equal(const struct ndr_syntax_id *i1, const struct ndr_syntax_id *i2);
 382 enum ndr_err_code ndr_push_struct_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, const void *p, ndr_push_flags_fn_t fn);
 383 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);
 384 size_t ndr_size_struct(const void *p, int flags, ndr_push_flags_fn_t push);
 385 size_t ndr_size_union(const void *p, int flags, uint32_t level, ndr_push_flags_fn_t push);
 386 uint32_t ndr_push_get_relative_base_offset(struct ndr_push *ndr);
 387 void ndr_push_restore_relative_base_offset(struct ndr_push *ndr, uint32_t offset);
 388 enum ndr_err_code ndr_push_setup_relative_base_offset1(struct ndr_push *ndr, const void *p, uint32_t offset);
 389 enum ndr_err_code ndr_push_setup_relative_base_offset2(struct ndr_push *ndr, const void *p);
 390 enum ndr_err_code ndr_push_relative_ptr1(struct ndr_push *ndr, const void *p);
 391 enum ndr_err_code ndr_push_short_relative_ptr1(struct ndr_push *ndr, const void *p);
 392 enum ndr_err_code ndr_push_relative_ptr2_start(struct ndr_push *ndr, const void *p);
 393 enum ndr_err_code ndr_push_relative_ptr2_end(struct ndr_push *ndr, const void *p);
 394 enum ndr_err_code ndr_push_short_relative_ptr2(struct ndr_push *ndr, const void *p);
 395 uint32_t ndr_pull_get_relative_base_offset(struct ndr_pull *ndr);
 396 void ndr_pull_restore_relative_base_offset(struct ndr_pull *ndr, uint32_t offset);
 397 enum ndr_err_code ndr_pull_setup_relative_base_offset1(struct ndr_pull *ndr, const void *p, uint32_t offset);
 398 enum ndr_err_code ndr_pull_setup_relative_base_offset2(struct ndr_pull *ndr, const void *p);
 399 enum ndr_err_code ndr_pull_relative_ptr1(struct ndr_pull *ndr, const void *p, uint32_t rel_offset);
 400 enum ndr_err_code ndr_pull_relative_ptr2(struct ndr_pull *ndr, const void *p);
 401 enum ndr_err_code ndr_pull_relative_ptr_short(struct ndr_pull *ndr, uint16_t *v);
 402 size_t ndr_align_size(uint32_t offset, size_t n);
 403 struct ndr_pull *ndr_pull_init_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx);
 404 enum ndr_err_code ndr_pull_advance(struct ndr_pull *ndr, uint32_t size);
 405 struct ndr_push *ndr_push_init_ctx(TALLOC_CTX *mem_ctx);
 406 DATA_BLOB ndr_push_blob(struct ndr_push *ndr);
 407 enum ndr_err_code ndr_push_expand(struct ndr_push *ndr, uint32_t extra_size);
 408 void ndr_print_debug_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
 409 void ndr_print_printf_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
 410 void ndr_print_string_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
 411 void ndr_print_debug(ndr_print_fn_t fn, const char *name, void *ptr);
 412 void ndr_print_union_debug(ndr_print_fn_t fn, const char *name, uint32_t level, void *ptr);
 413 void ndr_print_function_debug(ndr_print_function_t fn, const char *name, int flags, void *ptr);
 414 char *ndr_print_struct_string(TALLOC_CTX *mem_ctx, ndr_print_fn_t fn, const char *name, void *ptr);
 415 char *ndr_print_union_string(TALLOC_CTX *mem_ctx, ndr_print_fn_t fn, const char *name, uint32_t level, void *ptr);
 416 char *ndr_print_function_string(TALLOC_CTX *mem_ctx,
 417                                 ndr_print_function_t fn, const char *name,
 418                                 int flags, void *ptr);
 419 void ndr_set_flags(uint32_t *pflags, uint32_t new_flags);
 420 enum ndr_err_code ndr_pull_error(struct ndr_pull *ndr,
 421                                  enum ndr_err_code ndr_err,
 422                                  const char *format, ...) PRINTF_ATTRIBUTE(3,4);
 423 enum ndr_err_code ndr_push_error(struct ndr_push *ndr,
 424                                  enum ndr_err_code ndr_err,
 425                                  const char *format, ...)  PRINTF_ATTRIBUTE(3,4);
 426 enum ndr_err_code ndr_pull_subcontext_start(struct ndr_pull *ndr,
 427                                    struct ndr_pull **_subndr,
 428                                    size_t header_size,
 429                                    ssize_t size_is);
 430 enum ndr_err_code ndr_pull_subcontext_end(struct ndr_pull *ndr,
 431                                  struct ndr_pull *subndr,
 432                                  size_t header_size,
 433                                  ssize_t size_is);
 434 enum ndr_err_code ndr_push_subcontext_start(struct ndr_push *ndr,
 435                                    struct ndr_push **_subndr,
 436                                    size_t header_size,
 437                                    ssize_t size_is);
 438 enum ndr_err_code ndr_push_subcontext_end(struct ndr_push *ndr,
 439                                  struct ndr_push *subndr,
 440                                  size_t header_size,
 441                                  ssize_t size_is);
 442 enum ndr_err_code ndr_token_store(TALLOC_CTX *mem_ctx,
 443                          struct ndr_token_list **list,
 444                          const void *key,
 445                          uint32_t value);
 446 enum ndr_err_code ndr_token_retrieve_cmp_fn(struct ndr_token_list **list, const void *key, uint32_t *v, int(*_cmp_fn)(const void*,const void*), bool _remove_tok);
 447 enum ndr_err_code ndr_token_retrieve(struct ndr_token_list **list, const void *key, uint32_t *v);
 448 uint32_t ndr_token_peek(struct ndr_token_list **list, const void *key);
 449 enum ndr_err_code ndr_pull_array_size(struct ndr_pull *ndr, const void *p);
 450 uint32_t ndr_get_array_size(struct ndr_pull *ndr, const void *p);
 451 enum ndr_err_code ndr_check_array_size(struct ndr_pull *ndr, void *p, uint32_t size);
 452 enum ndr_err_code ndr_pull_array_length(struct ndr_pull *ndr, const void *p);
 453 uint32_t ndr_get_array_length(struct ndr_pull *ndr, const void *p);
 454 enum ndr_err_code ndr_check_array_length(struct ndr_pull *ndr, void *p, uint32_t length);
 455 enum ndr_err_code ndr_push_set_switch_value(struct ndr_push *ndr, const void *p, uint32_t val);
 456 enum ndr_err_code ndr_pull_set_switch_value(struct ndr_pull *ndr, const void *p, uint32_t val);
 457 enum ndr_err_code ndr_print_set_switch_value(struct ndr_print *ndr, const void *p, uint32_t val);
 458 uint32_t ndr_push_get_switch_value(struct ndr_push *ndr, const void *p);
 459 uint32_t ndr_pull_get_switch_value(struct ndr_pull *ndr, const void *p);
 460 uint32_t ndr_print_get_switch_value(struct ndr_print *ndr, const void *p);
 461 enum ndr_err_code ndr_pull_struct_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p, ndr_pull_flags_fn_t fn);
 462 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);
 463 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);
 464 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);
 465
 466 /* from libndr_basic.h */
 467 #define NDR_SCALAR_PROTO(name, type) \
 468 enum ndr_err_code ndr_push_ ## name(struct ndr_push *ndr, int ndr_flags, type v); \
 469 enum ndr_err_code ndr_pull_ ## name(struct ndr_pull *ndr, int ndr_flags, type *v); \
 470 void ndr_print_ ## name(struct ndr_print *ndr, const char *var_name, type v);
 471
 472 #define NDR_BUFFER_PROTO(name, type) \
 473 enum ndr_err_code ndr_push_ ## name(struct ndr_push *ndr, int ndr_flags, const type *v); \
 474 enum ndr_err_code ndr_pull_ ## name(struct ndr_pull *ndr, int ndr_flags, type *v); \
 475 void ndr_print_ ## name(struct ndr_print *ndr, const char *var_name, const type *v);
 476
 477 NDR_SCALAR_PROTO(uint8, uint8_t)
 478 NDR_SCALAR_PROTO(int8, int8_t)
 479 NDR_SCALAR_PROTO(uint16, uint16_t)
 480 NDR_SCALAR_PROTO(int16, int16_t)
 481 NDR_SCALAR_PROTO(uint1632, uint16_t)
 482 NDR_SCALAR_PROTO(uint32, uint32_t)
 483 NDR_SCALAR_PROTO(uint3264, uint32_t)
 484 NDR_SCALAR_PROTO(int32, int32_t)
 485 NDR_SCALAR_PROTO(int3264, int32_t)
 486 NDR_SCALAR_PROTO(udlong, uint64_t)
 487 NDR_SCALAR_PROTO(udlongr, uint64_t)
 488 NDR_SCALAR_PROTO(dlong, int64_t)
 489 NDR_SCALAR_PROTO(hyper, uint64_t)
 490 NDR_SCALAR_PROTO(pointer, void *)
 491 NDR_SCALAR_PROTO(time_t, time_t)
 492 NDR_SCALAR_PROTO(NTSTATUS, NTSTATUS)
 493 NDR_SCALAR_PROTO(WERROR, WERROR)
 494 NDR_SCALAR_PROTO(NTTIME, NTTIME)
 495 NDR_SCALAR_PROTO(NTTIME_1sec, NTTIME)
 496 NDR_SCALAR_PROTO(NTTIME_hyper, NTTIME)
 497 NDR_SCALAR_PROTO(DATA_BLOB, DATA_BLOB)
 498 NDR_SCALAR_PROTO(ipv4address, const char *)
 499 NDR_SCALAR_PROTO(ipv6address, const char *)
 500 NDR_SCALAR_PROTO(string, const char *)
 501 NDR_SCALAR_PROTO(double, double)
 502
 503 enum ndr_err_code ndr_pull_policy_handle(struct ndr_pull *ndr, int ndr_flags, struct policy_handle *r);
 504 enum ndr_err_code ndr_push_policy_handle(struct ndr_push *ndr, int ndr_flags, const struct policy_handle *r);
 505 void ndr_print_policy_handle(struct ndr_print *ndr, const char *name, const struct policy_handle *r);
 506 bool policy_handle_empty(struct policy_handle *h);
 507
 508 void ndr_check_padding(struct ndr_pull *ndr, size_t n);
 509 enum ndr_err_code ndr_pull_generic_ptr(struct ndr_pull *ndr, uint32_t *v);
 510 enum ndr_err_code ndr_pull_ref_ptr(struct ndr_pull *ndr, uint32_t *v);
 511 enum ndr_err_code ndr_pull_bytes(struct ndr_pull *ndr, uint8_t *data, uint32_t n);
 512 enum ndr_err_code ndr_pull_array_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *data, uint32_t n);
 513 enum ndr_err_code ndr_push_align(struct ndr_push *ndr, size_t size);
 514 enum ndr_err_code ndr_pull_align(struct ndr_pull *ndr, size_t size);
 515 enum ndr_err_code ndr_push_union_align(struct ndr_push *ndr, size_t size);
 516 enum ndr_err_code ndr_pull_union_align(struct ndr_pull *ndr, size_t size);
 517 enum ndr_err_code ndr_push_trailer_align(struct ndr_push *ndr, size_t size);
 518 enum ndr_err_code ndr_pull_trailer_align(struct ndr_pull *ndr, size_t size);
 519 enum ndr_err_code ndr_push_bytes(struct ndr_push *ndr, const uint8_t *data, uint32_t n);
 520 enum ndr_err_code ndr_push_zero(struct ndr_push *ndr, uint32_t n);
 521 enum ndr_err_code ndr_push_array_uint8(struct ndr_push *ndr, int ndr_flags, const uint8_t *data, uint32_t n);
 522 enum ndr_err_code ndr_push_unique_ptr(struct ndr_push *ndr, const void *p);
 523 enum ndr_err_code ndr_push_full_ptr(struct ndr_push *ndr, const void *p);
 524 enum ndr_err_code ndr_push_ref_ptr(struct ndr_push *ndr);
 525 void ndr_print_struct(struct ndr_print *ndr, const char *name, const char *type);
 526 void ndr_print_null(struct ndr_print *ndr);
 527 void ndr_print_enum(struct ndr_print *ndr, const char *name, const char *type, const char *val, uint32_t value);
 528 void ndr_print_bitmap_flag(struct ndr_print *ndr, size_t size, const char *flag_name, uint32_t flag, uint32_t value);
 529 void ndr_print_bitmap_flag(struct ndr_print *ndr, size_t size, const char *flag_name, uint32_t flag, uint32_t value);
 530 void ndr_print_ptr(struct ndr_print *ndr, const char *name, const void *p);
 531 void ndr_print_union(struct ndr_print *ndr, const char *name, int level, const char *type);
 532 void ndr_print_bad_level(struct ndr_print *ndr, const char *name, uint16_t level);
 533 void ndr_print_array_uint8(struct ndr_print *ndr, const char *name, const uint8_t *data, uint32_t count);
 534 uint32_t ndr_size_DATA_BLOB(int ret, const DATA_BLOB *data, int flags);
 535
 536 /* strings */
 537 uint32_t ndr_charset_length(const void *var, charset_t chset);
 538 size_t ndr_string_array_size(struct ndr_push *ndr, const char *s);
 539 uint32_t ndr_size_string(int ret, const char * const* string, int flags);
 540 enum ndr_err_code ndr_pull_string_array(struct ndr_pull *ndr, int ndr_flags, const char ***_a);
 541 enum ndr_err_code ndr_push_string_array(struct ndr_push *ndr, int ndr_flags, const char **a);
 542 void ndr_print_string_array(struct ndr_print *ndr, const char *name, const char **a);
 543 size_t ndr_size_string_array(const char **a, uint32_t count, int flags);
 544 uint32_t ndr_string_length(const void *_var, uint32_t element_size);
 545 enum ndr_err_code ndr_check_string_terminator(struct ndr_pull *ndr, uint32_t count, uint32_t element_size);
 546 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);
 547 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);
 548
 549 /* GUIDs */
 550 bool GUID_equal(const struct GUID *u1, const struct GUID *u2);
 551 NTSTATUS GUID_to_ndr_blob(const struct GUID *guid, TALLOC_CTX *mem_ctx, DATA_BLOB *b);
 552 NTSTATUS GUID_from_ndr_blob(const DATA_BLOB *b, struct GUID *guid);
 553 NTSTATUS GUID_from_data_blob(const DATA_BLOB *s, struct GUID *guid);
 554 NTSTATUS GUID_from_string(const char *s, struct GUID *guid);
 555 NTSTATUS NS_GUID_from_string(const char *s, struct GUID *guid);
 556 struct GUID GUID_zero(void);
 557 bool GUID_all_zero(const struct GUID *u);
 558 int GUID_compare(const struct GUID *u1, const struct GUID *u2);
 559 char *GUID_string(TALLOC_CTX *mem_ctx, const struct GUID *guid);
 560 char *GUID_string2(TALLOC_CTX *mem_ctx, const struct GUID *guid);
 561 char *GUID_hexstring(TALLOC_CTX *mem_ctx, const struct GUID *guid);
 562 char *NS_GUID_string(TALLOC_CTX *mem_ctx, const struct GUID *guid);
 563 struct GUID GUID_random(void);
 564
 565 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *v);
 566 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint16(struct ndr_pull *ndr, int ndr_flags, uint16_t *v);
 567 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint32(struct ndr_pull *ndr, int ndr_flags, uint32_t *v);
 568 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint1632(struct ndr_pull *ndr, int ndr_flags, uint16_t *v);
 569 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint8(struct ndr_push *ndr, int ndr_flags, uint8_t v);
 570 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint16(struct ndr_push *ndr, int ndr_flags, uint16_t v);
 571 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint32(struct ndr_push *ndr, int ndr_flags, uint32_t v);
 572 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint1632(struct ndr_push *ndr, int ndr_flags, uint16_t v);
 573
 574 #endif /* __LIBNDR_H__ */